diff options
Diffstat (limited to 'aclocal.m4')
| -rw-r--r-- | aclocal.m4 | 8248 |
1 files changed, 8248 insertions, 0 deletions
diff --git a/aclocal.m4 b/aclocal.m4 new file mode 100644 index 0000000..9f561cc --- /dev/null +++ b/aclocal.m4 @@ -0,0 +1,8248 @@ +dnl $LynxId: aclocal.m4,v 1.328 2024/01/07 15:29:15 tom Exp $ +dnl Macros for auto-configure script. +dnl by Thomas E. Dickey <dickey@invisible-island.net> +dnl and Jim Spath <jspath@mail.bcpl.lib.md.us> +dnl and Philippe De Muyter <phdm@macqel.be> +dnl +dnl Created: 1997/01/28 +dnl +dnl The autoconf used in Lynx development is GNU autoconf 2.13 or 2.52, patched +dnl by Thomas Dickey. See your local GNU archives, and this URL: +dnl https://invisible-island.net/autoconf/autoconf.html +dnl +dnl --------------------------------------------------------------------------- +dnl +dnl Copyright 1997-2023,2024 by Thomas E. Dickey +dnl +dnl Permission to use, copy, modify, and distribute this software and its +dnl documentation for any purpose and without fee is hereby granted, +dnl provided that the above copyright notice appear in all copies and that +dnl both that copyright notice and this permission notice appear in +dnl supporting documentation, and that the name of the above listed +dnl copyright holder(s) not be used in advertising or publicity pertaining +dnl to distribution of the software without specific, written prior +dnl permission. +dnl +dnl THE ABOVE LISTED COPYRIGHT HOLDER(S) DISCLAIM ALL WARRANTIES WITH REGARD +dnl TO THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY +dnl AND FITNESS, IN NO EVENT SHALL THE ABOVE LISTED COPYRIGHT HOLDER(S) BE +dnl LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES +dnl WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN +dnl ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF +dnl OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. +dnl +dnl --------------------------------------------------------------------------- +dnl A few macros (the AM_xxx ones) are originally from gettext 0.10.35 (but +dnl are modified), and are part of this file due to mechanical limitations of +dnl autoconf. +dnl --------------------------------------------------------------------------- +dnl See +dnl https://invisible-island.net/autoconf/autoconf.html +dnl https://invisible-island.net/autoconf/my-autoconf.html +dnl --------------------------------------------------------------------------- +dnl --------------------------------------------------------------------------- +dnl AM_GNU_GETTEXT version: 15 updated: 2021/01/02 09:31:20 +dnl -------------- +dnl Usage: Just like AM_WITH_NLS, which see. +AC_DEFUN([AM_GNU_GETTEXT], + [AC_REQUIRE([AC_PROG_MAKE_SET])dnl + AC_REQUIRE([AC_CANONICAL_HOST])dnl + AC_REQUIRE([AC_PROG_RANLIB])dnl + AC_REQUIRE([AC_HEADER_STDC])dnl + AC_REQUIRE([AC_C_INLINE])dnl + AC_REQUIRE([AC_TYPE_OFF_T])dnl + AC_REQUIRE([AC_TYPE_SIZE_T])dnl + AC_REQUIRE([AC_FUNC_ALLOCA])dnl + AC_REQUIRE([AC_FUNC_MMAP])dnl + AC_REQUIRE([jm_GLIBC21])dnl + AC_REQUIRE([CF_PROG_CC])dnl + + AC_CHECK_HEADERS([argz.h limits.h locale.h nl_types.h malloc.h stddef.h \ +stdlib.h string.h unistd.h sys/param.h]) + AC_CHECK_FUNCS([feof_unlocked fgets_unlocked getcwd getegid geteuid \ +getgid getuid mempcpy munmap putenv setenv setlocale stpcpy strchr strcasecmp \ +strdup strtoul tsearch __argz_count __argz_stringify __argz_next]) + + AM_ICONV + AM_LANGINFO_CODESET + AM_LC_MESSAGES + AM_WITH_NLS([$1],[$2],[$3],[$4]) + + if test "x$CATOBJEXT" != "x"; then + if test "x$ALL_LINGUAS" = "x"; then + LINGUAS= + else + AC_MSG_CHECKING(for catalogs to be installed) + NEW_LINGUAS= + for presentlang in $ALL_LINGUAS; do + useit=no + for desiredlang in ${LINGUAS-$ALL_LINGUAS}; do + # Use the presentlang catalog if desiredlang is + # a. equal to presentlang, or + # b. a variant of presentlang (because in this case, + # presentlang can be used as a fallback for messages + # which are not translated in the desiredlang catalog). + case "$desiredlang" in + ("$presentlang"*) useit=yes;; + esac + done + if test "$useit" = yes; then + NEW_LINGUAS="$NEW_LINGUAS $presentlang" + fi + done + LINGUAS=$NEW_LINGUAS + AC_MSG_RESULT($LINGUAS) + fi + + dnl Construct list of names of catalog files to be constructed. + if test -n "$LINGUAS"; then + for lang in $LINGUAS; do CATALOGS="$CATALOGS $lang$CATOBJEXT"; done + fi + fi + + dnl Enable libtool support if the surrounding package wishes it. + INTL_LIBTOOL_SUFFIX_PREFIX=ifelse([$1], use-libtool, [l], []) + AC_SUBST(INTL_LIBTOOL_SUFFIX_PREFIX) +])dnl +dnl --------------------------------------------------------------------------- +dnl AM_ICONV version: 12 updated: 2007/07/30 19:12:03 +dnl -------- +dnl Inserted as requested by gettext 0.10.40 +dnl File from /usr/share/aclocal +dnl iconv.m4 +dnl ==================== +dnl serial AM2 +dnl +dnl From Bruno Haible. +dnl +dnl ==================== +dnl Modified to use CF_FIND_LINKAGE and CF_ADD_SEARCHPATH, to broaden the +dnl range of locations searched. Retain the same cache-variable naming to +dnl allow reuse with the other gettext macros -Thomas E Dickey +AC_DEFUN([AM_ICONV], +[ + dnl Some systems have iconv in libc, some have it in libiconv (OSF/1 and + dnl those with the standalone portable GNU libiconv installed). + + AC_ARG_WITH([libiconv-prefix], +[ --with-libiconv-prefix=DIR + search for libiconv in DIR/include and DIR/lib], [ + CF_ADD_OPTIONAL_PATH($withval, libiconv) + ]) + + AC_CACHE_CHECK(for iconv, am_cv_func_iconv, [ + CF_FIND_LINKAGE(CF__ICONV_HEAD, + CF__ICONV_BODY, + iconv, + am_cv_func_iconv=yes, + am_cv_func_iconv=["no, consider installing GNU libiconv"])]) + + if test "$am_cv_func_iconv" = yes; then + AC_DEFINE(HAVE_ICONV, 1, [Define if you have the iconv() function.]) + + AC_CACHE_CHECK([if the declaration of iconv() needs const.], + am_cv_proto_iconv_const,[ + AC_TRY_COMPILE(CF__ICONV_HEAD [ +extern +#ifdef __cplusplus +"C" +#endif +#if defined(__STDC__) || defined(__cplusplus) +size_t iconv (iconv_t cd, char * *inbuf, size_t *inbytesleft, char * *outbuf, size_t *outbytesleft); +#else +size_t iconv(); +#endif +],[], am_cv_proto_iconv_const=no, + am_cv_proto_iconv_const=yes)]) + + if test "$am_cv_proto_iconv_const" = yes ; then + am_cv_proto_iconv_arg1="const" + else + am_cv_proto_iconv_arg1="" + fi + + AC_DEFINE_UNQUOTED(ICONV_CONST, $am_cv_proto_iconv_arg1, + [Define as const if the declaration of iconv() needs const.]) + fi + + LIBICONV= + if test "$cf_cv_find_linkage_iconv" = yes; then + CF_ADD_INCDIR($cf_cv_header_path_iconv) + if test -n "$cf_cv_library_file_iconv" ; then + LIBICONV="-liconv" + CF_ADD_LIBDIR($cf_cv_library_path_iconv) + fi + fi + + AC_SUBST(LIBICONV) +])dnl +dnl --------------------------------------------------------------------------- +dnl AM_LANGINFO_CODESET version: 7 updated: 2023/01/11 04:05:23 +dnl ------------------- +dnl Inserted as requested by gettext 0.10.40 +dnl File from /usr/share/aclocal +dnl codeset.m4 +dnl ==================== +dnl serial AM1 +dnl +dnl From Bruno Haible. +AC_DEFUN([AM_LANGINFO_CODESET], +[ +AC_CACHE_CHECK([for nl_langinfo and CODESET], am_cv_langinfo_codeset, + [AC_TRY_LINK([ +$ac_includes_default +#include <langinfo.h>], + [char* cs = nl_langinfo(CODESET); (void)cs], + am_cv_langinfo_codeset=yes, + am_cv_langinfo_codeset=no) + ]) + if test "$am_cv_langinfo_codeset" = yes; then + AC_DEFINE(HAVE_LANGINFO_CODESET, 1, + [Define if you have <langinfo.h> and nl_langinfo(CODESET).]) + fi +])dnl +dnl --------------------------------------------------------------------------- +dnl AM_LC_MESSAGES version: 6 updated: 2021/01/02 09:31:20 +dnl -------------- +dnl Inserted as requested by gettext 0.10.40 +dnl File from /usr/share/aclocal +dnl lcmessage.m4 +dnl ==================== +dnl Check whether LC_MESSAGES is available in <locale.h>. +dnl Ulrich Drepper <drepper@cygnus.com>, 1995. +dnl +dnl This file can be copied and used freely without restrictions. It can +dnl be used in projects which are not available under the GNU General Public +dnl License or the GNU Library General Public License but which still want +dnl to provide support for the GNU gettext functionality. +dnl Please note that the actual code of the GNU gettext library is covered +dnl by the GNU Library General Public License, and the rest of the GNU +dnl gettext package package is covered by the GNU General Public License. +dnl They are *not* in the public domain. +dnl +dnl serial 2 +dnl +AC_DEFUN([AM_LC_MESSAGES], +[if test "$ac_cv_header_locale_h" = yes; then + AC_CACHE_CHECK([for LC_MESSAGES], am_cv_val_LC_MESSAGES, + [AC_TRY_LINK([#include <locale.h>], [return LC_MESSAGES], + am_cv_val_LC_MESSAGES=yes, am_cv_val_LC_MESSAGES=no)]) + if test "$am_cv_val_LC_MESSAGES" = yes; then + AC_DEFINE(HAVE_LC_MESSAGES, 1, + [Define if your <locale.h> file defines LC_MESSAGES.]) + fi +fi])dnl +dnl --------------------------------------------------------------------------- +dnl AM_PATH_PROG_WITH_TEST version: 10 updated: 2021/01/02 09:31:20 +dnl ---------------------- +dnl Inserted as requested by gettext 0.10.40 +dnl File from /usr/share/aclocal +dnl progtest.m4 +dnl ==================== +dnl Search path for a program which passes the given test. +dnl Ulrich Drepper <drepper@cygnus.com>, 1996. +dnl +dnl This file can be copied and used freely without restrictions. It can +dnl be used in projects which are not available under the GNU General Public +dnl License or the GNU Library General Public License but which still want +dnl to provide support for the GNU gettext functionality. +dnl Please note that the actual code of the GNU gettext library is covered +dnl by the GNU Library General Public License, and the rest of the GNU +dnl gettext package package is covered by the GNU General Public License. +dnl They are *not* in the public domain. +dnl +dnl serial 2 +dnl +dnl AM_PATH_PROG_WITH_TEST(VARIABLE, PROG-TO-CHECK-FOR, +dnl TEST-PERFORMED-ON-FOUND_PROGRAM [, VALUE-IF-NOT-FOUND [, PATH]]) +AC_DEFUN([AM_PATH_PROG_WITH_TEST], +[# Extract the first word of "$2", so it can be a program name with args. +AC_REQUIRE([CF_PATHSEP]) +set dummy $2; ac_word=[$]2 +AC_MSG_CHECKING([for $ac_word]) +AC_CACHE_VAL(ac_cv_path_$1, +[case "[$]$1" in + ([[\\/]*|?:[\\/]]*) + ac_cv_path_$1="[$]$1" # Let the user override the test with a path. + ;; + (*) + IFS="${IFS= }"; ac_save_ifs="$IFS"; IFS="${IFS}${PATH_SEPARATOR}" + for ac_dir in ifelse([$5], , $PATH, [$5]); do + test -z "$ac_dir" && ac_dir=. + if test -f "$ac_dir/$ac_word$ac_exeext" ; then + if [$3]; then + ac_cv_path_$1="$ac_dir/$ac_word$ac_exeext" + break + fi + fi + done + IFS="$ac_save_ifs" +dnl If no 4th arg is given, leave the cache variable unset, +dnl so AC_PATH_PROGS will keep looking. +ifelse([$4], , , [ test -z "[$]ac_cv_path_$1" && ac_cv_path_$1="$4" +])dnl + ;; +esac])dnl +$1="$ac_cv_path_$1" +if test ifelse([$4], , [-n "[$]$1"], ["[$]$1" != "$4"]); then + AC_MSG_RESULT([$]$1) +else + AC_MSG_RESULT(no) +fi +AC_SUBST($1)dnl +])dnl +dnl --------------------------------------------------------------------------- +dnl AM_WITH_NLS version: 33 updated: 2022/01/28 08:32:11 +dnl ----------- +dnl Inserted as requested by gettext 0.10.40 +dnl File from /usr/share/aclocal +dnl gettext.m4 +dnl ==================== +dnl Macro to add for using GNU gettext. +dnl Ulrich Drepper <drepper@cygnus.com>, 1995. +dnl ==================== +dnl Modified to use CF_FIND_LINKAGE and CF_ADD_SEARCHPATH, to broaden the +dnl range of locations searched. Retain the same cache-variable naming to +dnl allow reuse with the other gettext macros -Thomas E Dickey +dnl ==================== +dnl +dnl This file can be copied and used freely without restrictions. It can +dnl be used in projects which are not available under the GNU General Public +dnl License or the GNU Library General Public License but which still want +dnl to provide support for the GNU gettext functionality. +dnl Please note that the actual code of the GNU gettext library is covered +dnl by the GNU Library General Public License, and the rest of the GNU +dnl gettext package package is covered by the GNU General Public License. +dnl They are *not* in the public domain. +dnl +dnl serial 10 +dnl +dnl Usage: AM_WITH_NLS([TOOLSYMBOL], [NEEDSYMBOL], [LIBDIR], [ENABLED]). +dnl If TOOLSYMBOL is specified and is 'use-libtool', then a libtool library +dnl $(top_builddir)/intl/libintl.la will be created (shared and/or static, +dnl depending on --{enable,disable}-{shared,static} and on the presence of +dnl AM-DISABLE-SHARED). Otherwise, a static library +dnl $(top_builddir)/intl/libintl.a will be created. +dnl If NEEDSYMBOL is specified and is 'need-ngettext', then GNU gettext +dnl implementations (in libc or libintl) without the ngettext() function +dnl will be ignored. +dnl LIBDIR is used to find the intl libraries. If empty, +dnl the value `$(top_builddir)/intl/' is used. +dnl ENABLED is used to control the default for the related --enable-nls, since +dnl not all application developers want this feature by default, e.g., lynx. +dnl +dnl The result of the configuration is one of three cases: +dnl 1) GNU gettext, as included in the intl subdirectory, will be compiled +dnl and used. +dnl Catalog format: GNU --> install in $(datadir) +dnl Catalog extension: .mo after installation, .gmo in source tree +dnl 2) GNU gettext has been found in the system's C library. +dnl Catalog format: GNU --> install in $(datadir) +dnl Catalog extension: .mo after installation, .gmo in source tree +dnl 3) No internationalization, always use English msgid. +dnl Catalog format: none +dnl Catalog extension: none +dnl The use of .gmo is historical (it was needed to avoid overwriting the +dnl GNU format catalogs when building on a platform with an X/Open gettext), +dnl but we keep it in order not to force irrelevant filename changes on the +dnl maintainers. +dnl +AC_DEFUN([AM_WITH_NLS], +[AC_MSG_CHECKING([whether NLS is requested]) + dnl Default is enabled NLS + ifelse([$4],,[ + AC_ARG_ENABLE(nls, + [ --disable-nls do not use Native Language Support], + USE_NLS=$enableval, USE_NLS=yes)],[ + AC_ARG_ENABLE(nls, + [ --enable-nls use Native Language Support], + USE_NLS=$enableval, USE_NLS=no)]) + AC_MSG_RESULT($USE_NLS) + AC_SUBST(USE_NLS) + + BUILD_INCLUDED_LIBINTL=no + USE_INCLUDED_LIBINTL=no + INTLLIBS= + + dnl If we use NLS figure out what method + if test "$USE_NLS" = "yes"; then + dnl We need to process the po/ directory. + POSUB=po + AC_DEFINE(ENABLE_NLS, 1, + [Define to 1 if translation of program messages to the user's native language + is requested.]) + AC_MSG_CHECKING([whether included gettext is requested]) + AC_ARG_WITH(included-gettext, + [ --with-included-gettext use the GNU gettext library included here], + nls_cv_force_use_gnu_gettext=$withval, + nls_cv_force_use_gnu_gettext=no) + AC_MSG_RESULT($nls_cv_force_use_gnu_gettext) + + dnl Search for GNU msgfmt in the PATH. + AM_PATH_PROG_WITH_TEST(MSGFMT, msgfmt, + ["$ac_dir/$ac_word" --statistics /dev/null >/dev/null 2>&1], :) + AC_PATH_PROG(GMSGFMT, gmsgfmt, $MSGFMT) + AC_SUBST(MSGFMT) + + dnl Search for GNU xgettext in the PATH. + AM_PATH_PROG_WITH_TEST(XGETTEXT, xgettext, + ["$ac_dir/$ac_word" --omit-header /dev/null >/dev/null 2>&1], :) + + nls_cv_use_gnu_gettext="$nls_cv_force_use_gnu_gettext" + if test "$nls_cv_force_use_gnu_gettext" != "yes"; then + dnl User does not insist on using GNU NLS library. Figure out what + dnl to use. If GNU gettext is available we use this. Else we may have + dnl to fall back to GNU NLS library. + CATOBJEXT=NONE + + dnl Save these (possibly-set) variables for reference. If the user + dnl overrode these to provide full pathnames, then warn if not actually + dnl GNU gettext, but do not override their values. Also, if they were + dnl overridden, suppress the part of the library test which prevents it + dnl from finding anything other than GNU gettext. Doing this also + dnl suppresses a bogus search for the intl library. + cf_save_msgfmt_path="$MSGFMT" + cf_save_xgettext_path="$XGETTEXT" + + cf_save_LIBS_1="$LIBS" + CF_ADD_LIBS($LIBICONV) + + cf_save_OPTS_1="$CPPFLAGS" + if test "x$cf_save_msgfmt_path" = "x$MSGFMT" && \ + test "x$cf_save_xgettext_path" = "x$XGETTEXT" ; then + CF_ADD_CFLAGS(-DIGNORE_MSGFMT_HACK) + fi + + CF_FIND_LINKAGE(CF__INTL_HEAD, + CF__INTL_BODY($2), + intl, + cf_cv_func_gettext=yes, + cf_cv_func_gettext=no) + + AC_MSG_CHECKING([for libintl.h and gettext()]) + AC_MSG_RESULT($cf_cv_func_gettext) + + LIBS="$cf_save_LIBS_1" + CPPFLAGS="$cf_save_OPTS_1" + + if test "$cf_cv_func_gettext" = yes ; then + AC_DEFINE(HAVE_LIBINTL_H,1,[Define to 1 if we have libintl.h]) + + dnl If an already present or preinstalled GNU gettext() is found, + dnl use it. But if this macro is used in GNU gettext, and GNU + dnl gettext is already preinstalled in libintl, we update this + dnl libintl. (Cf. the install rule in intl/Makefile.in.) + if test "$PACKAGE" != gettext; then + AC_DEFINE(HAVE_GETTEXT, 1, + [Define if the GNU gettext() function is already present or preinstalled.]) + + CF_ADD_INCDIR($cf_cv_header_path_intl) + + if test -n "$cf_cv_library_file_intl" ; then + dnl If iconv() is in a separate libiconv library, then anyone + dnl linking with libintl{.a,.so} also needs to link with + dnl libiconv. + INTLLIBS="$cf_cv_library_file_intl $LIBICONV" + CF_ADD_LIBDIR($cf_cv_library_path_intl,INTLLIBS) + fi + + gt_save_LIBS="$LIBS" + LIBS="$LIBS $INTLLIBS" + AC_CHECK_FUNCS(dcgettext) + LIBS="$gt_save_LIBS" + + CATOBJEXT=.gmo + fi + elif test -z "$MSGFMT" || test -z "$XGETTEXT" ; then + AC_MSG_WARN(disabling NLS feature) + sed -e /ENABLE_NLS/d confdefs.h >confdefs.tmp + mv confdefs.tmp confdefs.h + ALL_LINGUAS= + CATOBJEXT=.ignored + MSGFMT=":" + GMSGFMT=":" + XGETTEXT=":" + POSUB= + BUILD_INCLUDED_LIBINTL=no + USE_INCLUDED_LIBINTL=no + USE_NLS=no + nls_cv_use_gnu_gettext=no + fi + + if test "$CATOBJEXT" = "NONE"; then + dnl GNU gettext is not found in the C library. + dnl Fall back on GNU gettext library. + nls_cv_use_gnu_gettext=maybe + fi + fi + + if test "$nls_cv_use_gnu_gettext" != "no"; then + CATOBJEXT=.gmo + if test -f "$srcdir/intl/libintl.h" || test -f "$srcdir/intl/libgnuintl.h" ; then + dnl Mark actions used to generate GNU NLS library. + AC_DEFINE(HAVE_LIBINTL_H,1,[Define to 1 for included intl header]) + INTLOBJS="\$(GETTOBJS)" + BUILD_INCLUDED_LIBINTL=yes + USE_INCLUDED_LIBINTL=yes + INTLLIBS="ifelse([$3],[],\$(top_builddir)/intl,[$3])/libintl.ifelse([$1], use-libtool, [l], [])a $LIBICONV" + LIBS=`echo " $LIBS " | sed -e 's/ -lintl / /' -e 's/^ //' -e 's/ $//'` + elif test "$nls_cv_use_gnu_gettext" = "yes"; then + nls_cv_use_gnu_gettext=no + AC_MSG_WARN(no NLS library is packaged with this application) + fi + fi + + dnl Test whether we really found GNU msgfmt. + if test "$GMSGFMT" != ":"; then + if $GMSGFMT --statistics /dev/null >/dev/null 2>&1; then + : ; + else + AC_MSG_WARN([found msgfmt program is not GNU msgfmt]) + fi + fi + + dnl Test whether we really found GNU xgettext. + if test "$XGETTEXT" != ":"; then + if $XGETTEXT --omit-header /dev/null >/dev/null 2>&1; then + : ; + else + AC_MSG_WARN([found xgettext program is not GNU xgettext]) + fi + fi + fi + + if test "$XGETTEXT" != ":"; then + AC_OUTPUT_COMMANDS( + [for ac_file in $CONFIG_FILES; do + + # Support "outfile[:infile[:infile...]]" + case "$ac_file" in + (*:*) ac_file=`echo "$ac_file"|sed 's%:.*%%'` ;; + esac + + # PO directories have a Makefile.in generated from Makefile.inn. + case "$ac_file" in + (*/[Mm]akefile.in) + # Adjust a relative srcdir. + ac_dir="`echo "$ac_file"|sed 's%/[^/][^/]*$%%'`" + ac_dir_suffix="/`echo "$ac_dir"|sed 's%^\./%%'`" + ac_dots="`echo "$ac_dir_suffix"|sed 's%/[^/]*%../%g'`" + ac_base="`basename $ac_file .in`" + # In autoconf-2.13 it is called $ac_given_srcdir. + # In autoconf-2.50 it is called $srcdir. + test -n "$ac_given_srcdir" || ac_given_srcdir="$srcdir" + + case "$ac_given_srcdir" in + (.) top_srcdir=`echo $ac_dots|sed 's%/$%%'` ;; + (/*) top_srcdir="$ac_given_srcdir" ;; + (*) top_srcdir="$ac_dots$ac_given_srcdir" ;; + esac + + if test -f "$ac_given_srcdir/$ac_dir/POTFILES.in"; then + rm -f "$ac_dir/POTFILES" + test -n "$as_me" && echo "$as_me: creating $ac_dir/POTFILES" || echo "creating $ac_dir/POTFILES" + sed -e "/^#/d" -e "/^[ ]*\$/d" -e "s,.*, $top_srcdir/& \\\\," -e "\$s/\(.*\) \\\\/\1/" < "$ac_given_srcdir/$ac_dir/POTFILES.in" > "$ac_dir/POTFILES" + test -n "$as_me" && echo "$as_me: creating $ac_dir/$ac_base" || echo "creating $ac_dir/$ac_base" + sed -e "/POTFILES =/r $ac_dir/POTFILES" "$ac_dir/$ac_base.in" > "$ac_dir/$ac_base" + fi + ;; + esac + done]) + + dnl If this is used in GNU gettext we have to set BUILD_INCLUDED_LIBINTL + dnl to 'yes' because some of the testsuite requires it. + if test "$PACKAGE" = gettext; then + BUILD_INCLUDED_LIBINTL=yes + fi + + dnl intl/plural.c is generated from intl/plural.y. It requires an old + dnl version of bison, or byacc, because plural.y uses the bison + dnl "%pure-parser" feature. That requires at least bison-1.26 because + dnl earlier versions generate a plural.c that doesn't compile. However, + dnl while byacc (2010) supports this feature, bison dropped compatibility + dnl beginning with version 2.3 (2008). + dnl + dnl bison or byacc are only needed for the maintainer (who touches + dnl plural.y). To avoid separate Makefiles or --enable-maintainer-mode, we + dnl put the rule in general Makefile. Now, some people carelessly touch + dnl the files or have a broken "make" program, hence the plural.c rule will + dnl sometimes fire. To avoid an error, define INTL_YACC to ":" if it is + dnl not present or too old. + if test "$nls_cv_use_gnu_gettext" = "yes"; then + AC_CHECK_PROGS([INTL_YACC], [byacc bison]) + if test -z "$INTL_YACC"; then + ac_verc_fail=yes + else + dnl Found it, now check the version. + AC_MSG_CHECKING([version of $INTL_YACC]) +changequote(<<,>>)dnl + ac_prog_version=`$INTL_YACC -V 2>&1 | sed -n 's/^.*GNU Bison.* \([0-9]*\.[0-9.]*\).*$/\1/p;s/^\(byacc\) - \([0-9][0-9.]*\) \([0-9]*\).*$/\1-\2.\3/p'` + case "$ac_prog_version" in + (byacc-[0-9].[0-9].20[1-9]*) + ac_prog_version="$ac_prog_version, ok"; ac_verc_fail=no;; + ('') ac_prog_version="v. ?.??, bad"; ac_verc_fail=yes;; + (1.2[6-9]*|1.[3-9][0-9]*|2.[0-3]*) +changequote([,])dnl + ac_prog_version="$ac_prog_version, ok"; ac_verc_fail=no;; + (*) ac_prog_version="$ac_prog_version, bad"; ac_verc_fail=yes;; + esac + AC_MSG_RESULT([$ac_prog_version]) + fi + if test "$ac_verc_fail" = yes; then + INTL_YACC=: + fi + fi + + dnl These rules are solely for the distribution goal. While doing this + dnl we only have to keep exactly one list of the available catalogs + dnl in configure.in. + for lang in $ALL_LINGUAS; do + GMOFILES="$GMOFILES $lang.gmo" + POFILES="$POFILES $lang.po" + done + fi + + dnl Make all variables we use known to autoconf. + AC_SUBST(BUILD_INCLUDED_LIBINTL) + AC_SUBST(USE_INCLUDED_LIBINTL) + AC_SUBST(CATALOGS) + AC_SUBST(CATOBJEXT) + AC_SUBST(GMOFILES) + AC_SUBST(INTLLIBS) + AC_SUBST(INTLOBJS) + AC_SUBST(POFILES) + AC_SUBST(POSUB) + + dnl For backward compatibility. Some configure.ins may be using this. + nls_cv_header_intl= + nls_cv_header_libgt= + + dnl For backward compatibility. Some Makefiles may be using this. + DATADIRNAME=share + AC_SUBST(DATADIRNAME) + + dnl For backward compatibility. Some Makefiles may be using this. + INSTOBJEXT=.mo + AC_SUBST(INSTOBJEXT) + + dnl For backward compatibility. Some Makefiles may be using this. + GENCAT=gencat + AC_SUBST(GENCAT) +])dnl +dnl --------------------------------------------------------------------------- +dnl CF_ACVERSION_CHECK version: 5 updated: 2014/06/04 19:11:49 +dnl ------------------ +dnl Conditionally generate script according to whether we're using a given autoconf. +dnl +dnl $1 = version to compare against +dnl $2 = code to use if AC_ACVERSION is at least as high as $1. +dnl $3 = code to use if AC_ACVERSION is older than $1. +define([CF_ACVERSION_CHECK], +[ +ifdef([AC_ACVERSION], ,[ifdef([AC_AUTOCONF_VERSION],[m4_copy([AC_AUTOCONF_VERSION],[AC_ACVERSION])],[m4_copy([m4_PACKAGE_VERSION],[AC_ACVERSION])])])dnl +ifdef([m4_version_compare], +[m4_if(m4_version_compare(m4_defn([AC_ACVERSION]), [$1]), -1, [$3], [$2])], +[CF_ACVERSION_COMPARE( +AC_PREREQ_CANON(AC_PREREQ_SPLIT([$1])), +AC_PREREQ_CANON(AC_PREREQ_SPLIT(AC_ACVERSION)), AC_ACVERSION, [$2], [$3])])])dnl +dnl --------------------------------------------------------------------------- +dnl CF_ACVERSION_COMPARE version: 3 updated: 2012/10/03 18:39:53 +dnl -------------------- +dnl CF_ACVERSION_COMPARE(MAJOR1, MINOR1, TERNARY1, +dnl MAJOR2, MINOR2, TERNARY2, +dnl PRINTABLE2, not FOUND, FOUND) +define([CF_ACVERSION_COMPARE], +[ifelse(builtin([eval], [$2 < $5]), 1, +[ifelse([$8], , ,[$8])], +[ifelse([$9], , ,[$9])])])dnl +dnl --------------------------------------------------------------------------- +dnl CF_ADD_CFLAGS version: 15 updated: 2020/12/31 10:54:15 +dnl ------------- +dnl Copy non-preprocessor flags to $CFLAGS, preprocessor flags to $CPPFLAGS +dnl $1 = flags to add +dnl $2 = if given makes this macro verbose. +dnl +dnl Put any preprocessor definitions that use quoted strings in $EXTRA_CPPFLAGS, +dnl to simplify use of $CPPFLAGS in compiler checks, etc., that are easily +dnl confused by the quotes (which require backslashes to keep them usable). +AC_DEFUN([CF_ADD_CFLAGS], +[ +cf_fix_cppflags=no +cf_new_cflags= +cf_new_cppflags= +cf_new_extra_cppflags= + +for cf_add_cflags in $1 +do +case "$cf_fix_cppflags" in +(no) + case "$cf_add_cflags" in + (-undef|-nostdinc*|-I*|-D*|-U*|-E|-P|-C) + case "$cf_add_cflags" in + (-D*) + cf_tst_cflags=`echo "${cf_add_cflags}" |sed -e 's/^-D[[^=]]*='\''\"[[^"]]*//'` + + test "x${cf_add_cflags}" != "x${cf_tst_cflags}" \ + && test -z "${cf_tst_cflags}" \ + && cf_fix_cppflags=yes + + if test "$cf_fix_cppflags" = yes ; then + CF_APPEND_TEXT(cf_new_extra_cppflags,$cf_add_cflags) + continue + elif test "${cf_tst_cflags}" = "\"'" ; then + CF_APPEND_TEXT(cf_new_extra_cppflags,$cf_add_cflags) + continue + fi + ;; + esac + case "$CPPFLAGS" in + (*$cf_add_cflags) + ;; + (*) + case "$cf_add_cflags" in + (-D*) + cf_tst_cppflags=`echo "x$cf_add_cflags" | sed -e 's/^...//' -e 's/=.*//'` + CF_REMOVE_DEFINE(CPPFLAGS,$CPPFLAGS,$cf_tst_cppflags) + ;; + esac + CF_APPEND_TEXT(cf_new_cppflags,$cf_add_cflags) + ;; + esac + ;; + (*) + CF_APPEND_TEXT(cf_new_cflags,$cf_add_cflags) + ;; + esac + ;; +(yes) + CF_APPEND_TEXT(cf_new_extra_cppflags,$cf_add_cflags) + + cf_tst_cflags=`echo "${cf_add_cflags}" |sed -e 's/^[[^"]]*"'\''//'` + + test "x${cf_add_cflags}" != "x${cf_tst_cflags}" \ + && test -z "${cf_tst_cflags}" \ + && cf_fix_cppflags=no + ;; +esac +done + +if test -n "$cf_new_cflags" ; then + ifelse([$2],,,[CF_VERBOSE(add to \$CFLAGS $cf_new_cflags)]) + CF_APPEND_TEXT(CFLAGS,$cf_new_cflags) +fi + +if test -n "$cf_new_cppflags" ; then + ifelse([$2],,,[CF_VERBOSE(add to \$CPPFLAGS $cf_new_cppflags)]) + CF_APPEND_TEXT(CPPFLAGS,$cf_new_cppflags) +fi + +if test -n "$cf_new_extra_cppflags" ; then + ifelse([$2],,,[CF_VERBOSE(add to \$EXTRA_CPPFLAGS $cf_new_extra_cppflags)]) + CF_APPEND_TEXT(EXTRA_CPPFLAGS,$cf_new_extra_cppflags) +fi + +AC_SUBST(EXTRA_CPPFLAGS) + +])dnl +dnl --------------------------------------------------------------------------- +dnl CF_ADD_INCDIR version: 17 updated: 2021/09/04 06:35:04 +dnl ------------- +dnl Add an include-directory to $CPPFLAGS. Don't add /usr/include, since it is +dnl redundant. We don't normally need to add -I/usr/local/include for gcc, +dnl but old versions (and some misinstalled ones) need that. To make things +dnl worse, gcc 3.x may give error messages if -I/usr/local/include is added to +dnl the include-path). +AC_DEFUN([CF_ADD_INCDIR], +[ +if test -n "$1" ; then + for cf_add_incdir in $1 + do + while test "$cf_add_incdir" != /usr/include + do + if test -d "$cf_add_incdir" + then + cf_have_incdir=no + if test -n "$CFLAGS$CPPFLAGS" ; then + # a loop is needed to ensure we can add subdirs of existing dirs + for cf_test_incdir in $CFLAGS $CPPFLAGS ; do + if test ".$cf_test_incdir" = ".-I$cf_add_incdir" ; then + cf_have_incdir=yes; break + fi + done + fi + + if test "$cf_have_incdir" = no ; then + if test "$cf_add_incdir" = /usr/local/include ; then + if test "$GCC" = yes + then + cf_save_CPPFLAGS=$CPPFLAGS + CF_APPEND_TEXT(CPPFLAGS,-I$cf_add_incdir) + AC_TRY_COMPILE([#include <stdio.h>], + [printf("Hello")], + [], + [cf_have_incdir=yes]) + CPPFLAGS=$cf_save_CPPFLAGS + fi + fi + fi + + if test "$cf_have_incdir" = no ; then + CF_VERBOSE(adding $cf_add_incdir to include-path) + ifelse([$2],,CPPFLAGS,[$2])="$ifelse([$2],,CPPFLAGS,[$2]) -I$cf_add_incdir" + + cf_top_incdir=`echo "$cf_add_incdir" | sed -e 's%/include/.*$%/include%'` + test "$cf_top_incdir" = "$cf_add_incdir" && break + cf_add_incdir="$cf_top_incdir" + else + break + fi + else + break + fi + done + done +fi +])dnl +dnl --------------------------------------------------------------------------- +dnl CF_ADD_LIB version: 2 updated: 2010/06/02 05:03:05 +dnl ---------- +dnl Add a library, used to enforce consistency. +dnl +dnl $1 = library to add, without the "-l" +dnl $2 = variable to update (default $LIBS) +AC_DEFUN([CF_ADD_LIB],[CF_ADD_LIBS(-l$1,ifelse($2,,LIBS,[$2]))])dnl +dnl --------------------------------------------------------------------------- +dnl CF_ADD_LIBDIR version: 11 updated: 2020/12/31 20:19:42 +dnl ------------- +dnl Adds to the library-path +dnl +dnl Some machines have trouble with multiple -L options. +dnl +dnl $1 is the (list of) directory(s) to add +dnl $2 is the optional name of the variable to update (default LDFLAGS) +dnl +AC_DEFUN([CF_ADD_LIBDIR], +[ +if test -n "$1" ; then + for cf_add_libdir in $1 + do + if test "$cf_add_libdir" = /usr/lib ; then + : + elif test -d "$cf_add_libdir" + then + cf_have_libdir=no + if test -n "$LDFLAGS$LIBS" ; then + # a loop is needed to ensure we can add subdirs of existing dirs + for cf_test_libdir in $LDFLAGS $LIBS ; do + if test ".$cf_test_libdir" = ".-L$cf_add_libdir" ; then + cf_have_libdir=yes; break + fi + done + fi + if test "$cf_have_libdir" = no ; then + CF_VERBOSE(adding $cf_add_libdir to library-path) + ifelse([$2],,LDFLAGS,[$2])="-L$cf_add_libdir $ifelse([$2],,LDFLAGS,[$2])" + fi + fi + done +fi +])dnl +dnl --------------------------------------------------------------------------- +dnl CF_ADD_LIBS version: 3 updated: 2019/11/02 16:47:33 +dnl ----------- +dnl Add one or more libraries, used to enforce consistency. Libraries are +dnl prepended to an existing list, since their dependencies are assumed to +dnl already exist in the list. +dnl +dnl $1 = libraries to add, with the "-l", etc. +dnl $2 = variable to update (default $LIBS) +AC_DEFUN([CF_ADD_LIBS],[ +cf_add_libs="[$]ifelse($2,,LIBS,[$2])" +# reverse order +cf_add_0lib= +for cf_add_1lib in $1; do cf_add_0lib="$cf_add_1lib $cf_add_0lib"; done +# filter duplicates +for cf_add_1lib in $cf_add_0lib; do + for cf_add_2lib in $cf_add_libs; do + if test "x$cf_add_1lib" = "x$cf_add_2lib"; then + cf_add_1lib= + break + fi + done + test -n "$cf_add_1lib" && cf_add_libs="$cf_add_1lib $cf_add_libs" +done +ifelse($2,,LIBS,[$2])="$cf_add_libs" +])dnl +dnl --------------------------------------------------------------------------- +dnl CF_ADD_LIB_AFTER version: 3 updated: 2013/07/09 21:27:22 +dnl ---------------- +dnl Add a given library after another, e.g., following the one it satisfies a +dnl dependency for. +dnl +dnl $1 = the first library +dnl $2 = its dependency +AC_DEFUN([CF_ADD_LIB_AFTER],[ +CF_VERBOSE(...before $LIBS) +LIBS=`echo "$LIBS" | sed -e "s/[[ ]][[ ]]*/ /g" -e "s%$1 %$1 $2 %" -e 's% % %g'` +CF_VERBOSE(...after $LIBS) +])dnl +dnl --------------------------------------------------------------------------- +dnl CF_ADD_OPTIONAL_PATH version: 3 updated: 2015/05/10 19:52:14 +dnl -------------------- +dnl Add an optional search-path to the compile/link variables. +dnl See CF_WITH_PATH +dnl +dnl $1 = shell variable containing the result of --with-XXX=[DIR] +dnl $2 = module to look for. +AC_DEFUN([CF_ADD_OPTIONAL_PATH],[ +case "$1" in +(no) + ;; +(yes) + ;; +(*) + CF_ADD_SEARCHPATH([$1], [AC_MSG_ERROR(cannot find $2 under $1)]) + ;; +esac +])dnl +dnl --------------------------------------------------------------------------- +dnl CF_ADD_SEARCHPATH version: 6 updated: 2020/12/31 20:19:42 +dnl ----------------- +dnl Set $CPPFLAGS and $LDFLAGS with the directories given via the parameter. +dnl They can be either the common root of include- and lib-directories, or the +dnl lib-directory (to allow for things like lib64 directories). +dnl See also CF_FIND_LINKAGE. +dnl +dnl $1 is the list of colon-separated directory names to search. +dnl $2 is the action to take if a parameter does not yield a directory. +AC_DEFUN([CF_ADD_SEARCHPATH], +[ +AC_REQUIRE([CF_PATHSEP]) +for cf_searchpath in `echo "$1" | tr $PATH_SEPARATOR ' '`; do + if test -d "$cf_searchpath/include" ; then + CF_ADD_INCDIR($cf_searchpath/include) + elif test -d "$cf_searchpath/../include" ; then + CF_ADD_INCDIR($cf_searchpath/../include) + ifelse([$2],,,[else +$2]) + fi + if test -d "$cf_searchpath/lib" ; then + CF_ADD_LIBDIR($cf_searchpath/lib) + elif test -d "$cf_searchpath" ; then + CF_ADD_LIBDIR($cf_searchpath) + ifelse([$2],,,[else +$2]) + fi +done +]) +dnl --------------------------------------------------------------------------- +dnl CF_ADD_SUBDIR_PATH version: 5 updated: 2020/12/31 20:19:42 +dnl ------------------ +dnl Append to a search-list for a nonstandard header/lib-file +dnl $1 = the variable to return as result +dnl $2 = the package name +dnl $3 = the subdirectory, e.g., bin, include or lib +dnl $4 = the directory under which we will test for subdirectories +dnl $5 = a directory that we do not want $4 to match +AC_DEFUN([CF_ADD_SUBDIR_PATH], +[ +test "x$4" != "x$5" && \ +test -d "$4" && \ +ifelse([$5],NONE,,[{ test -z "$5" || test "x$5" = xNONE || test "x$4" != "x$5"; } &&]) { + test -n "$verbose" && echo " ... testing for $3-directories under $4" + test -d "$4/$3" && $1="[$]$1 $4/$3" + test -d "$4/$3/$2" && $1="[$]$1 $4/$3/$2" + test -d "$4/$3/$2/$3" && $1="[$]$1 $4/$3/$2/$3" + test -d "$4/$2/$3" && $1="[$]$1 $4/$2/$3" + test -d "$4/$2/$3/$2" && $1="[$]$1 $4/$2/$3/$2" +} +])dnl +dnl --------------------------------------------------------------------------- +dnl CF_ALT_CHAR_SET version: 10 updated: 2021/06/08 18:08:14 +dnl --------------- +dnl Check for existence of alternate-character-set support in curses, so we +dnl can decide to use it for box characters. +dnl +AC_DEFUN([CF_ALT_CHAR_SET], +[ +AC_MSG_CHECKING([if curses supports alternate-character set]) +AC_CACHE_VAL(cf_cv_alt_char_set,[ +for mapname in acs_map _acs_map +do + AC_TRY_LINK([ +#include <${cf_cv_ncurses_header:-curses.h}> + ],[chtype x = ${mapname}['l']; ${mapname}['m'] = 0; (void)x], + [cf_cv_alt_char_set=$mapname + break], + [cf_cv_alt_char_set=no]) +done + ]) +AC_MSG_RESULT($cf_cv_alt_char_set) +test "$cf_cv_alt_char_set" != no && AC_DEFINE_UNQUOTED(ALT_CHAR_SET,$cf_cv_alt_char_set,[Define to 1 if if curses supports alternate-character set]) +])dnl +dnl --------------------------------------------------------------------------- +dnl CF_ANSI_CC_CHECK version: 14 updated: 2024/01/07 06:34:16 +dnl ---------------- +dnl This was originally adapted from the macros 'fp_PROG_CC_STDC' and +dnl 'fp_C_PROTOTYPES' in the sharutils 4.2 distribution. +AC_DEFUN([CF_ANSI_CC_CHECK], +[ +CF_CC_ENV_FLAGS + +AC_CACHE_CHECK(for ${CC:-cc} option to accept ANSI C, cf_cv_ansi_cc,[ +cf_cv_ansi_cc=no +cf_save_CFLAGS="$CFLAGS" +cf_save_CPPFLAGS="$CPPFLAGS" +# Don't try gcc -ansi; that turns off useful extensions and +# breaks some systems' header files. +# AIX -qlanglvl=ansi +# Ultrix and OSF/1 -std1 +# HP-UX -Aa -D_HPUX_SOURCE +# SVR4 -Xc +# UnixWare 1.2 (cannot use -Xc, since ANSI/POSIX clashes) +for cf_arg in "-DCC_HAS_PROTOS" \ + "" \ + -qlanglvl=ansi \ + -std1 \ + -Ae \ + "-Aa -D_HPUX_SOURCE" \ + -Xc +do + CF_ADD_CFLAGS($cf_arg) + AC_TRY_COMPILE( +[ +#ifndef CC_HAS_PROTOS +#if !defined(__STDC__) || (__STDC__ != 1) +choke me +#endif +#endif +extern int test (int i, double x); +],[ + struct s1 {int (*f) (int a);}; + struct s2 {int (*f) (double a);};], + [cf_cv_ansi_cc="$cf_arg"; break]) +done +CFLAGS="$cf_save_CFLAGS" +CPPFLAGS="$cf_save_CPPFLAGS" +]) + +if test "$cf_cv_ansi_cc" != "no"; then +if test ".$cf_cv_ansi_cc" != ".-DCC_HAS_PROTOS"; then + CF_ADD_CFLAGS($cf_cv_ansi_cc) +else + AC_DEFINE(CC_HAS_PROTOS,1,[Define to 1 if C compiler supports prototypes]) +fi +fi +])dnl +dnl --------------------------------------------------------------------------- +dnl CF_ANSI_CC_REQD version: 4 updated: 2008/03/23 14:48:54 +dnl --------------- +dnl For programs that must use an ANSI compiler, obtain compiler options that +dnl will make it recognize prototypes. We'll do preprocessor checks in other +dnl macros, since tools such as unproto can fake prototypes, but only part of +dnl the preprocessor. +AC_DEFUN([CF_ANSI_CC_REQD], +[AC_REQUIRE([CF_ANSI_CC_CHECK]) +if test "$cf_cv_ansi_cc" = "no"; then + AC_MSG_ERROR( +[Your compiler does not appear to recognize prototypes. +You have the following choices: + a. adjust your compiler options + b. get an up-to-date compiler + c. use a wrapper such as unproto]) +fi +])dnl +dnl --------------------------------------------------------------------------- +dnl CF_APPEND_CFLAGS version: 3 updated: 2021/09/05 17:25:40 +dnl ---------------- +dnl Use CF_ADD_CFLAGS after first checking for potential redefinitions. +dnl $1 = flags to add +dnl $2 = if given makes this macro verbose. +define([CF_APPEND_CFLAGS], +[ +for cf_add_cflags in $1 +do + case "x$cf_add_cflags" in + (x-[[DU]]*) + CF_REMOVE_CFLAGS($cf_add_cflags,CFLAGS,[$2]) + CF_REMOVE_CFLAGS($cf_add_cflags,CPPFLAGS,[$2]) + ;; + esac + CF_ADD_CFLAGS([$cf_add_cflags],[$2]) +done +])dnl +dnl --------------------------------------------------------------------------- +dnl CF_APPEND_TEXT version: 1 updated: 2017/02/25 18:58:55 +dnl -------------- +dnl use this macro for appending text without introducing an extra blank at +dnl the beginning +define([CF_APPEND_TEXT], +[ + test -n "[$]$1" && $1="[$]$1 " + $1="[$]{$1}$2" +])dnl +dnl --------------------------------------------------------------------------- +dnl CF_ARG_DISABLE version: 3 updated: 1999/03/30 17:24:31 +dnl -------------- +dnl Allow user to disable a normally-on option. +AC_DEFUN([CF_ARG_DISABLE], +[CF_ARG_OPTION($1,[$2],[$3],[$4],yes)])dnl +dnl --------------------------------------------------------------------------- +dnl CF_ARG_ENABLE version: 3 updated: 1999/03/30 17:24:31 +dnl ------------- +dnl Allow user to enable a normally-off option. +AC_DEFUN([CF_ARG_ENABLE], +[CF_ARG_OPTION($1,[$2],[$3],[$4],no)])dnl +dnl --------------------------------------------------------------------------- +dnl CF_ARG_OPTION version: 5 updated: 2015/05/10 19:52:14 +dnl ------------- +dnl Restricted form of AC_ARG_ENABLE that ensures user doesn't give bogus +dnl values. +dnl +dnl Parameters: +dnl $1 = option name +dnl $2 = help-string +dnl $3 = action to perform if option is not default +dnl $4 = action if perform if option is default +dnl $5 = default option value (either 'yes' or 'no') +AC_DEFUN([CF_ARG_OPTION], +[AC_ARG_ENABLE([$1],[$2],[test "$enableval" != ifelse([$5],no,yes,no) && enableval=ifelse([$5],no,no,yes) + if test "$enableval" != "$5" ; then +ifelse([$3],,[ :]dnl +,[ $3]) ifelse([$4],,,[ + else + $4]) + fi],[enableval=$5 ifelse([$4],,,[ + $4 +])dnl +])])dnl +dnl --------------------------------------------------------------------------- +dnl CF_AR_FLAGS version: 9 updated: 2021/01/01 13:31:04 +dnl ----------- +dnl Check for suitable "ar" (archiver) options for updating an archive. +dnl +dnl In particular, handle some obsolete cases where the "-" might be omitted, +dnl as well as a workaround for breakage of make's archive rules by the GNU +dnl binutils "ar" program. +AC_DEFUN([CF_AR_FLAGS],[ +AC_REQUIRE([CF_PROG_AR]) + +AC_CACHE_CHECK(for options to update archives, cf_cv_ar_flags,[ + case "$cf_cv_system_name" in + (*-msvc*) + cf_cv_ar_flags='' + cat >mk_static_lib.sh <<-EOF + #!$SHELL + MSVC_BIN="[$]AR" + out="\[$]1" + shift + exec \[$]MSVC_BIN -out:"\[$]out" \[$]@ + EOF + chmod +x mk_static_lib.sh + AR=`pwd`/mk_static_lib.sh + ;; + (*) + cf_cv_ar_flags=unknown + for cf_ar_flags in -curvU -curv curv -crv crv -cqv cqv -rv rv + do + + # check if $ARFLAGS already contains this choice + if test "x$ARFLAGS" != "x" ; then + cf_check_ar_flags=`echo "x$ARFLAGS" | sed -e "s/$cf_ar_flags\$//" -e "s/$cf_ar_flags / /"` + if test "x$ARFLAGS" != "$cf_check_ar_flags" ; then + cf_cv_ar_flags= + break + fi + fi + + rm -f "conftest.$ac_cv_objext" + rm -f conftest.a + + cat >"conftest.$ac_ext" <<EOF +#line __oline__ "configure" +int testdata[[3]] = { 123, 456, 789 }; +EOF + if AC_TRY_EVAL(ac_compile) ; then + echo "$AR $ARFLAGS $cf_ar_flags conftest.a conftest.$ac_cv_objext" >&AC_FD_CC + $AR $ARFLAGS "$cf_ar_flags" conftest.a "conftest.$ac_cv_objext" 2>&AC_FD_CC 1>/dev/null + if test -f conftest.a ; then + cf_cv_ar_flags="$cf_ar_flags" + break + fi + else + CF_VERBOSE(cannot compile test-program) + break + fi + done + rm -f conftest.a "conftest.$ac_ext" "conftest.$ac_cv_objext" + ;; + esac +]) + +if test -n "$ARFLAGS" ; then + if test -n "$cf_cv_ar_flags" ; then + ARFLAGS="$ARFLAGS $cf_cv_ar_flags" + fi +else + ARFLAGS=$cf_cv_ar_flags +fi + +AC_SUBST(ARFLAGS) +]) +dnl --------------------------------------------------------------------------- +dnl CF_BOOL_DEFS version: 6 updated: 2024/01/07 06:34:16 +dnl ------------ +dnl Check if curses.h defines TRUE/FALSE (it does under SVr4). +AC_DEFUN([CF_BOOL_DEFS], +[ +AC_MSG_CHECKING(if TRUE/FALSE are defined) +AC_CACHE_VAL(cf_cv_bool_defs,[ +AC_TRY_COMPILE([ +#include <${cf_cv_ncurses_header:-curses.h}> +#include <stdio.h>],[int x = TRUE, y = FALSE; (void)x; (void)y], + [cf_cv_bool_defs=yes], + [cf_cv_bool_defs=no])]) +AC_MSG_RESULT($cf_cv_bool_defs) +if test "$cf_cv_bool_defs" = no ; then + AC_DEFINE(TRUE,(1),[Define to TRUE if curses.h does not define]) + AC_DEFINE(FALSE,(0),[Define to FALSE if curses.h does not define]) +fi +])dnl +dnl --------------------------------------------------------------------------- +dnl CF_BUILD_CC version: 11 updated: 2022/12/04 15:40:08 +dnl ----------- +dnl If we're cross-compiling, allow the user to override the tools and their +dnl options. The configure script is oriented toward identifying the host +dnl compiler, etc., but we need a build compiler to generate parts of the +dnl source. +dnl +dnl $1 = default for $CPPFLAGS +dnl $2 = default for $LIBS +AC_DEFUN([CF_BUILD_CC],[ +CF_ACVERSION_CHECK(2.52,, + [AC_REQUIRE([CF_PROG_EXT])]) +if test "$cross_compiling" = yes ; then + + # defaults that we might want to override + : ${BUILD_CFLAGS:=''} + : ${BUILD_CPPFLAGS:='ifelse([$1],,,[$1])'} + : ${BUILD_LDFLAGS:=''} + : ${BUILD_LIBS:='ifelse([$2],,,[$2])'} + : ${BUILD_EXEEXT:='$x'} + : ${BUILD_OBJEXT:='o'} + + AC_ARG_WITH(build-cc, + [ --with-build-cc=XXX the build C compiler ($BUILD_CC)], + [BUILD_CC="$withval"], + [AC_CHECK_PROGS(BUILD_CC, [gcc clang c99 c89 cc cl],none)]) + AC_MSG_CHECKING(for native build C compiler) + AC_MSG_RESULT($BUILD_CC) + + AC_MSG_CHECKING(for native build C preprocessor) + AC_ARG_WITH(build-cpp, + [ --with-build-cpp=XXX the build C preprocessor ($BUILD_CPP)], + [BUILD_CPP="$withval"], + [BUILD_CPP='${BUILD_CC} -E']) + AC_MSG_RESULT($BUILD_CPP) + + AC_MSG_CHECKING(for native build C flags) + AC_ARG_WITH(build-cflags, + [ --with-build-cflags=XXX the build C compiler-flags ($BUILD_CFLAGS)], + [BUILD_CFLAGS="$withval"]) + AC_MSG_RESULT($BUILD_CFLAGS) + + AC_MSG_CHECKING(for native build C preprocessor-flags) + AC_ARG_WITH(build-cppflags, + [ --with-build-cppflags=XXX the build C preprocessor-flags ($BUILD_CPPFLAGS)], + [BUILD_CPPFLAGS="$withval"]) + AC_MSG_RESULT($BUILD_CPPFLAGS) + + AC_MSG_CHECKING(for native build linker-flags) + AC_ARG_WITH(build-ldflags, + [ --with-build-ldflags=XXX the build linker-flags ($BUILD_LDFLAGS)], + [BUILD_LDFLAGS="$withval"]) + AC_MSG_RESULT($BUILD_LDFLAGS) + + AC_MSG_CHECKING(for native build linker-libraries) + AC_ARG_WITH(build-libs, + [ --with-build-libs=XXX the build libraries (${BUILD_LIBS})], + [BUILD_LIBS="$withval"]) + AC_MSG_RESULT($BUILD_LIBS) + + # this assumes we're on Unix. + BUILD_EXEEXT= + BUILD_OBJEXT=o + + : ${BUILD_CC:='${CC}'} + + AC_MSG_CHECKING(if the build-compiler "$BUILD_CC" works) + + cf_save_crossed=$cross_compiling + cf_save_ac_link=$ac_link + cross_compiling=no + cf_build_cppflags=$BUILD_CPPFLAGS + test "$cf_build_cppflags" = "#" && cf_build_cppflags= + ac_link='$BUILD_CC -o "conftest$ac_exeext" $BUILD_CFLAGS $cf_build_cppflags $BUILD_LDFLAGS "conftest.$ac_ext" $BUILD_LIBS >&AS_MESSAGE_LOG_FD' + + AC_TRY_RUN([#include <stdio.h> + int main(int argc, char *argv[]) + { + ${cf_cv_main_return:-return}(argc < 0 || argv == 0 || argv[0] == 0); + } + ], + cf_ok_build_cc=yes, + cf_ok_build_cc=no, + cf_ok_build_cc=unknown) + + cross_compiling=$cf_save_crossed + ac_link=$cf_save_ac_link + + AC_MSG_RESULT($cf_ok_build_cc) + + if test "$cf_ok_build_cc" != yes + then + AC_MSG_ERROR([Cross-build requires two compilers. +Use --with-build-cc to specify the native compiler.]) + fi + +else + : ${BUILD_CC:='${CC}'} + : ${BUILD_CPP:='${CPP}'} + : ${BUILD_CFLAGS:='${CFLAGS}'} + : ${BUILD_CPPFLAGS:='${CPPFLAGS}'} + : ${BUILD_LDFLAGS:='${LDFLAGS}'} + : ${BUILD_LIBS:='${LIBS}'} + : ${BUILD_EXEEXT:='$x'} + : ${BUILD_OBJEXT:='o'} +fi + +AC_SUBST(BUILD_CC) +AC_SUBST(BUILD_CPP) +AC_SUBST(BUILD_CFLAGS) +AC_SUBST(BUILD_CPPFLAGS) +AC_SUBST(BUILD_LDFLAGS) +AC_SUBST(BUILD_LIBS) +AC_SUBST(BUILD_EXEEXT) +AC_SUBST(BUILD_OBJEXT) +])dnl +dnl --------------------------------------------------------------------------- +dnl CF_BUNDLED_INTL version: 21 updated: 2023/01/10 19:35:04 +dnl --------------- +dnl Top-level macro for configuring an application with a bundled copy of +dnl the intl and po directories for gettext. +dnl +dnl $1 specifies either Makefile or makefile, defaulting to the former. +dnl $2 if nonempty sets the option to --enable-nls rather than to --disable-nls +dnl +dnl Sets variables which can be used to substitute in makefiles: +dnl GT_YES - "#" comment unless building intl library, otherwise empty +dnl GT_NO - "#" comment if building intl library, otherwise empty +dnl INTLDIR_MAKE - to make ./intl directory +dnl MSG_DIR_MAKE - to make ./po directory +dnl SUB_MAKEFILE - list of makefiles in ./intl, ./po directories +dnl +dnl Defines: +dnl HAVE_LIBGETTEXT_H if we're using ./intl +dnl NLS_TEXTDOMAIN +dnl +dnl Environment: +dnl ALL_LINGUAS if set, lists the root names of the ".po" files. +dnl CONFIG_H assumed to be "config.h" +dnl PACKAGE must be set, used as default for textdomain +dnl VERSION may be set, otherwise extract from "VERSION" file. +dnl +AC_DEFUN([CF_BUNDLED_INTL],[ +cf_makefile=ifelse($1,,Makefile,$1) + +dnl Set of available languages (based on source distribution). Note that +dnl setting $LINGUAS overrides $ALL_LINGUAS. Some environments set $LINGUAS +dnl rather than $LC_ALL +test -z "$ALL_LINGUAS" && ALL_LINGUAS=`test -d "$srcdir/po" && cd "$srcdir/po" && echo *.po|sed -e 's/\.po//g' -e 's/*//'` + +# Allow override of "config.h" definition: +: ${CONFIG_H:=config.h} +AC_SUBST(CONFIG_H) + +if test -z "$PACKAGE" ; then + AC_MSG_ERROR([[CF_BUNDLED_INTL] used without setting [PACKAGE] variable]) +fi + +if test -z "$VERSION" ; then +if test -f "$srcdir/VERSION" ; then + VERSION=`sed -e '2,$d' "$srcdir/VERSION" |cut -f1` +else + VERSION=unknown +fi +fi +AC_SUBST(VERSION) + +AM_GNU_GETTEXT(,,,[$2]) + +if test "$USE_NLS" = yes ; then + AC_ARG_WITH(textdomain, + [ --with-textdomain=PKG NLS text-domain (default is package name)], + [NLS_TEXTDOMAIN=$withval], + [NLS_TEXTDOMAIN=$PACKAGE]) + AC_DEFINE_UNQUOTED(NLS_TEXTDOMAIN,"$NLS_TEXTDOMAIN",[Define to the nls textdomain value]) + AC_SUBST(NLS_TEXTDOMAIN) +fi + +INTLDIR_MAKE= +MSG_DIR_MAKE= +SUB_MAKEFILE= + +dnl this updates SUB_MAKEFILE and MSG_DIR_MAKE: +CF_OUR_MESSAGES($1) + +if test "$USE_INCLUDED_LIBINTL" = yes ; then + if test "$nls_cv_force_use_gnu_gettext" = yes ; then + : + elif test "$nls_cv_use_gnu_gettext" != no ; then + : + else + INTLDIR_MAKE="#" + fi + if test -z "$INTLDIR_MAKE"; then + AC_DEFINE(HAVE_LIBGETTEXT_H,1,[Define to 1 if we have libgettext.h]) + for cf_makefile in \ + $srcdir/intl/Makefile.in \ + $srcdir/intl/makefile.in + do + if test -f "$cf_makefile" ; then + SUB_MAKEFILE="$SUB_MAKEFILE `echo \"${cf_makefile}\"|sed -e 's,^'$srcdir/',,' -e 's/\.in$//'`:${cf_makefile}" + break + fi + done + fi +else + INTLDIR_MAKE="#" + if test "$USE_NLS" = yes ; then + AC_CHECK_HEADERS(libintl.h) + fi +fi + +if test -z "$INTLDIR_MAKE" ; then + CF_APPEND_TEXT(CPPFLAGS,-I../intl) +fi + +dnl FIXME: we use this in lynx (the alternative is a spurious dependency upon +dnl GNU make) +if test "$BUILD_INCLUDED_LIBINTL" = yes ; then + GT_YES="#" + GT_NO= +else + GT_YES= + GT_NO="#" +fi + +AC_SUBST(INTLDIR_MAKE) +AC_SUBST(MSG_DIR_MAKE) +AC_SUBST(GT_YES) +AC_SUBST(GT_NO) + +dnl FIXME: the underlying AM_GNU_GETTEXT macro either needs some fixes or a +dnl little documentation. It doesn't define anything so that we can ifdef our +dnl own code, except ENABLE_NLS, which is too vague to be of any use. + +if test "$USE_INCLUDED_LIBINTL" = yes ; then + if test "$nls_cv_force_use_gnu_gettext" = yes ; then + AC_DEFINE(HAVE_GETTEXT,1,[Define to 1 if we have gettext function]) + elif test "$nls_cv_use_gnu_gettext" = yes ; then + AC_DEFINE(HAVE_GETTEXT,1,[Define to 1 if we have gettext function]) + fi + if test -n "$nls_cv_header_intl" ; then + AC_DEFINE(HAVE_LIBINTL_H,1,[Define to 1 if we have header-file for libintl]) + fi +fi +])dnl +dnl --------------------------------------------------------------------------- +dnl CF_C11_NORETURN version: 4 updated: 2023/02/18 17:41:25 +dnl --------------- +AC_DEFUN([CF_C11_NORETURN], +[ +AC_MSG_CHECKING(if you want to use C11 _Noreturn feature) +CF_ARG_ENABLE(stdnoreturn, + [ --enable-stdnoreturn enable C11 _Noreturn feature for diagnostics], + [enable_stdnoreturn=yes], + [enable_stdnoreturn=no]) +AC_MSG_RESULT($enable_stdnoreturn) + +if test $enable_stdnoreturn = yes; then +AC_CACHE_CHECK([for C11 _Noreturn feature], cf_cv_c11_noreturn, + [AC_TRY_COMPILE([ +$ac_includes_default +#include <stdnoreturn.h> +static _Noreturn void giveup(void) { exit(0); } + ], + [if (feof(stdin)) giveup()], + cf_cv_c11_noreturn=yes, + cf_cv_c11_noreturn=no) + ]) +else + cf_cv_c11_noreturn=no, +fi + +if test "$cf_cv_c11_noreturn" = yes; then + AC_DEFINE(HAVE_STDNORETURN_H, 1,[Define if <stdnoreturn.h> header is available and working]) + AC_DEFINE_UNQUOTED(STDC_NORETURN,_Noreturn,[Define if C11 _Noreturn keyword is supported]) + HAVE_STDNORETURN_H=1 +else + HAVE_STDNORETURN_H=0 +fi + +AC_SUBST(HAVE_STDNORETURN_H) +AC_SUBST(STDC_NORETURN) +])dnl +dnl --------------------------------------------------------------------------- +dnl CF_CC_ENV_FLAGS version: 11 updated: 2023/02/20 11:15:46 +dnl --------------- +dnl Check for user's environment-breakage by stuffing CFLAGS/CPPFLAGS content +dnl into CC. This will not help with broken scripts that wrap the compiler +dnl with options, but eliminates a more common category of user confusion. +dnl +dnl In particular, it addresses the problem of being able to run the C +dnl preprocessor in a consistent manner. +dnl +dnl Caveat: this also disallows blanks in the pathname for the compiler, but +dnl the nuisance of having inconsistent settings for compiler and preprocessor +dnl outweighs that limitation. +AC_DEFUN([CF_CC_ENV_FLAGS], +[ +# This should have been defined by AC_PROG_CC +: "${CC:=cc}" + +AC_MSG_CHECKING(\$CFLAGS variable) +case "x$CFLAGS" in +(*-[[IUD]]*) + AC_MSG_RESULT(broken) + AC_MSG_WARN(your environment uses the CFLAGS variable to hold CPPFLAGS options) + cf_flags="$CFLAGS" + CFLAGS= + for cf_arg in $cf_flags + do + CF_ADD_CFLAGS($cf_arg) + done + ;; +(*) + AC_MSG_RESULT(ok) + ;; +esac + +AC_MSG_CHECKING(\$CC variable) +case "$CC" in +(*[[\ \ ]]-*) + AC_MSG_RESULT(broken) + AC_MSG_WARN(your environment uses the CC variable to hold CFLAGS/CPPFLAGS options) + # humor him... + cf_prog=`echo "$CC" | sed -e 's/ / /g' -e 's/[[ ]]* / /g' -e 's/[[ ]]*[[ ]]-[[^ ]].*//'` + cf_flags=`echo "$CC" | sed -e "s%^$cf_prog%%"` + CC="$cf_prog" + for cf_arg in $cf_flags + do + case "x$cf_arg" in + (x-[[IUDfgOW]]*) + CF_ADD_CFLAGS($cf_arg) + ;; + (*) + CC="$CC $cf_arg" + ;; + esac + done + CF_VERBOSE(resulting CC: '$CC') + CF_VERBOSE(resulting CFLAGS: '$CFLAGS') + CF_VERBOSE(resulting CPPFLAGS: '$CPPFLAGS') + ;; +(*) + AC_MSG_RESULT(ok) + ;; +esac +])dnl +dnl --------------------------------------------------------------------------- +dnl CF_CHECK_CACHE version: 13 updated: 2020/12/31 10:54:15 +dnl -------------- +dnl Check if we're accidentally using a cache from a different machine. +dnl Derive the system name, as a check for reusing the autoconf cache. +dnl +dnl If we've packaged config.guess and config.sub, run that (since it does a +dnl better job than uname). Normally we'll use AC_CANONICAL_HOST, but allow +dnl an extra parameter that we may override, e.g., for AC_CANONICAL_SYSTEM +dnl which is useful in cross-compiles. +dnl +dnl Note: we would use $ac_config_sub, but that is one of the places where +dnl autoconf 2.5x broke compatibility with autoconf 2.13 +AC_DEFUN([CF_CHECK_CACHE], +[ +if test -f "$srcdir/config.guess" || test -f "$ac_aux_dir/config.guess" ; then + ifelse([$1],,[AC_CANONICAL_HOST],[$1]) + system_name="$host_os" +else + system_name="`(uname -s -r) 2>/dev/null`" + if test -z "$system_name" ; then + system_name="`(hostname) 2>/dev/null`" + fi +fi +test -n "$system_name" && AC_DEFINE_UNQUOTED(SYSTEM_NAME,"$system_name",[Define to the system name.]) +AC_CACHE_VAL(cf_cv_system_name,[cf_cv_system_name="$system_name"]) + +test -z "$system_name" && system_name="$cf_cv_system_name" +test -n "$cf_cv_system_name" && AC_MSG_RESULT(Configuring for $cf_cv_system_name) + +if test ".$system_name" != ".$cf_cv_system_name" ; then + AC_MSG_RESULT(Cached system name ($system_name) does not agree with actual ($cf_cv_system_name)) + AC_MSG_ERROR("Please remove config.cache and try again.") +fi +])dnl +dnl --------------------------------------------------------------------------- +dnl CF_CHECK_CFLAGS version: 4 updated: 2021/01/02 19:22:58 +dnl --------------- +dnl Conditionally add to $CFLAGS and $CPPFLAGS values which are derived from +dnl a build-configuration such as imake. These have the pitfall that they +dnl often contain compiler-specific options which we cannot use, mixed with +dnl preprocessor options that we usually can. +AC_DEFUN([CF_CHECK_CFLAGS], +[ +CF_VERBOSE(checking additions to CFLAGS) +cf_check_cflags="$CFLAGS" +cf_check_cppflags="$CPPFLAGS" +CF_ADD_CFLAGS($1,yes) +if test "x$cf_check_cflags" != "x$CFLAGS" ; then +AC_TRY_LINK([#include <stdio.h>],[printf("Hello world");],, + [CF_VERBOSE(test-compile failed. Undoing change to \$CFLAGS) + if test "x$cf_check_cppflags" != "x$CPPFLAGS" ; then + CF_VERBOSE(but keeping change to \$CPPFLAGS) + fi + CFLAGS="$cf_check_cflags"]) +fi +])dnl +dnl --------------------------------------------------------------------------- +dnl CF_CHECK_ERRNO version: 14 updated: 2023/02/18 17:41:25 +dnl -------------- +dnl Check for data that is usually declared in <stdio.h> or <errno.h>, e.g., +dnl the 'errno' variable. Define a DECL_xxx symbol if we must declare it +dnl ourselves. +dnl +dnl $1 = the name to check +dnl $2 = the assumed type +AC_DEFUN([CF_CHECK_ERRNO], +[ +AC_CACHE_CHECK(if external $1 is declared, cf_cv_dcl_$1,[ + AC_TRY_COMPILE([ +$ac_includes_default +#include <errno.h> ], + ifelse([$2],,int,[$2]) x = (ifelse([$2],,int,[$2])) $1; (void)x, + [cf_cv_dcl_$1=yes], + [cf_cv_dcl_$1=no]) +]) + +if test "$cf_cv_dcl_$1" = no ; then + CF_UPPER(cf_result,decl_$1) + AC_DEFINE_UNQUOTED($cf_result) +fi + +# It's possible (for near-UNIX clones) that the data doesn't exist +CF_CHECK_EXTERN_DATA($1,ifelse([$2],,int,[$2])) +])dnl +dnl --------------------------------------------------------------------------- +dnl CF_CHECK_EXTERN_DATA version: 5 updated: 2021/09/04 06:35:04 +dnl -------------------- +dnl Check for existence of external data in the current set of libraries. If +dnl we can modify it, it is real enough. +dnl $1 = the name to check +dnl $2 = its type +AC_DEFUN([CF_CHECK_EXTERN_DATA], +[ +AC_CACHE_CHECK(if external $1 exists, cf_cv_have_$1,[ + AC_TRY_LINK([ +#undef $1 +extern $2 $1; +], + [$1 = 2], + [cf_cv_have_$1=yes], + [cf_cv_have_$1=no]) +]) + +if test "$cf_cv_have_$1" = yes ; then + CF_UPPER(cf_result,have_$1) + AC_DEFINE_UNQUOTED($cf_result) +fi + +])dnl +dnl --------------------------------------------------------------------------- +dnl CF_CHECK_FUNCDECL version: 8 updated: 2023/01/24 04:22:19 +dnl ----------------- +dnl Check if a function is declared by including a set of include files. +dnl Invoke the corresponding actions according to whether it is found or not. +dnl +dnl Gcc (unlike other compilers) will only warn about the miscast assignment +dnl in the first test, but most compilers will oblige with an error in the +dnl second test. +dnl +dnl CF_CHECK_FUNCDECL(INCLUDES, FUNCTION, [ACTION-IF-FOUND [, ACTION-IF-NOT-FOUND]]) +AC_DEFUN([CF_CHECK_FUNCDECL], +[ +AC_MSG_CHECKING([for $2 declaration]) +AC_CACHE_VAL(ac_cv_func_decl_$2, +[AC_TRY_COMPILE([ +$ac_includes_default +$1], +[#ifndef $2 +extern int $2(void); +#endif],[ +AC_TRY_COMPILE([$1], +[#ifndef $2 +int (*p)(struct cf_check_funcdecl*) = $2; +#endif],[ +eval "ac_cv_func_decl_$2=yes"],[ +eval "ac_cv_func_decl_$2=no"])],[ +eval "ac_cv_func_decl_$2=yes"])]) +if eval "test \"`echo '$ac_cv_func_'decl_$2`\" = yes"; then + AC_MSG_RESULT(yes) + ifelse([$3], , :, [$3]) +else + AC_MSG_RESULT(no) +ifelse([$4], , , [$4 +])dnl +fi +])dnl +dnl --------------------------------------------------------------------------- +dnl CF_CHECK_FUNCDECLS version: 4 updated: 1999/03/30 12:24:31 +dnl ------------------ +dnl Check if functions are declared by including a set of include files. +dnl and define DECL_XXX if not. +dnl +dnl CF_CHECK_FUNCDECLS(INCLUDES, FUNCTION... [, ACTION-IF-FOUND [, ACTION-IF-NOT-FOUND]]) +AC_DEFUN([CF_CHECK_FUNCDECLS], +[for ac_func in $2 +do +CF_CHECK_FUNCDECL([$1], $ac_func, +[$3], +[ + CF_UPPER(ac_tr_func,DECL_$ac_func) + AC_DEFINE_UNQUOTED($ac_tr_func) $4])dnl +done +])dnl +dnl --------------------------------------------------------------------------- +dnl CF_CHECK_IPV6 version: 3 updated: 2004/01/22 17:38:22 +dnl ------------- +dnl Check for IPV6 configuration. +AC_DEFUN([CF_CHECK_IPV6],[ +CF_FIND_IPV6_TYPE +CF_FIND_IPV6_LIBS + +CF_FUNC_GETADDRINFO + +if test "$cf_cv_getaddrinfo" != "yes"; then + if test "$cf_cv_ipv6type" != "linux"; then + AC_MSG_WARN( +[You must get working getaddrinfo() function, +or you can specify "--disable-ipv6"]) + else + AC_MSG_WARN( +[The getaddrinfo() implementation on your system seems be buggy. +You should upgrade your system library to the newest version +of GNU C library (aka glibc).]) + fi +fi + +])dnl +dnl --------------------------------------------------------------------------- +dnl CF_CHECK_SIZEOF version: 4 updated: 2021/01/02 09:31:20 +dnl --------------- +dnl Improve on AC_CHECK_SIZEOF for cases when the build-environment is +dnl deficient, e.g., if someone tries to build in busybox. Use the second +dnl parameter as the fallback value. +dnl +dnl By the way, 2.13/2.52 differ in AC_CHECK_SIZEOF regarding the types they +dnl can detect; the former includes only stdio.h for types while the latter +dnl includes several header files. +AC_DEFUN([CF_CHECK_SIZEOF],[ +AC_CHECK_SIZEOF([$1],[$2]) +if test "${ac_cv_type_$1+set}" = set; then + cf_cv_sizeof="$ac_cv_sizeof_$1" + if test "${ac_cv_sizeof_$1+set}" != set; then + AC_MSG_WARN(using $2 for sizeof $1) + ac_cv_sizeof_$1=$2 + elif test "x${ac_cv_sizeof_$1}" = x0; then + AC_MSG_WARN([sizeof $1 not found, using $2]) + ac_cv_sizeof_$1=$2 + fi + if test "x$ac_cv_sizeof_$1" != "x$cf_cv_sizeof" + then + CF_UPPER(cf_cv_type,sizeof_$1) + sed -e "s/\\([[ ]]${cf_cv_type}[[ ]]\\).*/\\1$ac_cv_sizeof_$1/" confdefs.h >conftest.val + mv conftest.val confdefs.h + fi +fi +])dnl +dnl --------------------------------------------------------------------------- +dnl CF_CHECK_SSL_X509 version: 5 updated: 2014/11/30 18:19:56 +dnl ----------------- +dnl Check for X509 support in the SSL library. +define([CF_CHECK_SSL_X509],[ +AC_MSG_CHECKING(for X509 support) +AC_TRY_LINK(CF__SSL_HEAD [ +#if defined(USE_GNUTLS_INCL) +#include <gnutls/x509.h> +#else +#include <openssl/x509.h> +#endif +], + [X509_verify_cert_error_string(X509_STORE_CTX_get_error(NULL))], + [cf_x509_support=yes], + [cf_x509_support=no]) +AC_MSG_RESULT($cf_x509_support) + +if test "$cf_x509_support" = yes ; then + AC_DEFINE(USE_X509_SUPPORT) +fi +])dnl +dnl --------------------------------------------------------------------------- +dnl CF_CHECK_TYPE version: 4 updated: 2021/01/02 09:31:20 +dnl ------------- +dnl Add a 3rd parameter to AC_CHECK_TYPE, working around autoconf 2.5x's +dnl deliberate incompatibility. +dnl $1 = name of type to check for +dnl $2 = default type +dnl $3 = additional #include's and related preprocessor lines. +ifdef([m4_HAS_AC_CT_FOURARGS], [m4_undefine([m4_HAS_AC_CT_FOURARGS])])dnl +ifelse(m4_PACKAGE_VERSION, [fnord_acsalt], [], +[ifdef([m4_version_compare],[m4_define([m4_HAS_AC_CT_FOURARGS])])])dnl +AC_DEFUN([CF_CHECK_TYPE], +[ +ifdef([m4_HAS_AC_CT_FOURARGS],[ + AC_CHECK_TYPE([$1],ac_cv_type_$1=yes,ac_cv_type_$1=no,[$3]) + ],[ + AC_MSG_CHECKING(for $1) + AC_TRY_COMPILE([ +#if STDC_HEADERS +#include <stdlib.h> +#include <stddef.h> +#endif +$3 +],[ + static $1 dummy; if (sizeof(dummy)) return 0; else return 1;], + ac_cv_type_$1=yes, + ac_cv_type_$1=no) + AC_MSG_RESULT($ac_cv_type_$1) +])dnl +if test "$ac_cv_type_$1" = no; then + AC_DEFINE($1, $2, Define to $2 if $1 is not declared) +fi +])dnl +dnl --------------------------------------------------------------------------- +dnl CF_CLANG_COMPILER version: 9 updated: 2023/02/18 17:41:25 +dnl ----------------- +dnl Check if the given compiler is really clang. clang's C driver defines +dnl __GNUC__ (fooling the configure script into setting $GCC to yes) but does +dnl not ignore some gcc options. +dnl +dnl This macro should be run "soon" after AC_PROG_CC or AC_PROG_CPLUSPLUS, to +dnl ensure that it is not mistaken for gcc/g++. It is normally invoked from +dnl the wrappers for gcc and g++ warnings. +dnl +dnl $1 = GCC (default) or GXX +dnl $2 = CLANG_COMPILER (default) +dnl $3 = CFLAGS (default) or CXXFLAGS +AC_DEFUN([CF_CLANG_COMPILER],[ +ifelse([$2],,CLANG_COMPILER,[$2])=no + +if test "$ifelse([$1],,[$1],GCC)" = yes ; then + AC_MSG_CHECKING(if this is really Clang ifelse([$1],GXX,C++,C) compiler) + cf_save_CFLAGS="$ifelse([$3],,CFLAGS,[$3])" + AC_TRY_COMPILE([],[ +#ifdef __clang__ +#else +#error __clang__ is not defined +#endif +],[ifelse([$2],,CLANG_COMPILER,[$2])=yes +],[]) + ifelse([$3],,CFLAGS,[$3])="$cf_save_CFLAGS" + AC_MSG_RESULT($ifelse([$2],,CLANG_COMPILER,[$2])) +fi + +CLANG_VERSION=none + +if test "x$ifelse([$2],,CLANG_COMPILER,[$2])" = "xyes" ; then + case "$CC" in + (c[[1-9]][[0-9]]|*/c[[1-9]][[0-9]]) + AC_MSG_WARN(replacing broken compiler alias $CC) + CFLAGS="$CFLAGS -std=`echo "$CC" | sed -e 's%.*/%%'`" + CC=clang + ;; + esac + + AC_MSG_CHECKING(version of $CC) + CLANG_VERSION="`$CC --version 2>/dev/null | sed -e '2,$d' -e 's/^.*(CLANG[[^)]]*) //' -e 's/^.*(Debian[[^)]]*) //' -e 's/^[[^0-9.]]*//' -e 's/[[^0-9.]].*//'`" + test -z "$CLANG_VERSION" && CLANG_VERSION=unknown + AC_MSG_RESULT($CLANG_VERSION) + + for cf_clang_opt in \ + -Qunused-arguments \ + -Wno-error=implicit-function-declaration + do + AC_MSG_CHECKING(if option $cf_clang_opt works) + cf_save_CFLAGS="$CFLAGS" + CFLAGS="$CFLAGS $cf_clang_opt" + AC_TRY_LINK([ + #include <stdio.h>],[ + printf("hello!\\n");],[ + cf_clang_optok=yes],[ + cf_clang_optok=no]) + AC_MSG_RESULT($cf_clang_optok) + CFLAGS="$cf_save_CFLAGS" + if test "$cf_clang_optok" = yes; then + CF_VERBOSE(adding option $cf_clang_opt) + CF_APPEND_TEXT(CFLAGS,$cf_clang_opt) + fi + done +fi +]) +dnl --------------------------------------------------------------------------- +dnl CF_COLOR_CURSES version: 10 updated: 2024/01/07 06:54:12 +dnl --------------- +dnl Check if curses supports color. (Note that while SVr3 curses supports +dnl color, it does this differently from SVr4 curses; more work would be needed +dnl to accommodate SVr3). +dnl +AC_DEFUN([CF_COLOR_CURSES], +[ +AC_MSG_CHECKING(if curses supports color attributes) +AC_CACHE_VAL(cf_cv_color_curses,[ + AC_TRY_LINK([ +#include <${cf_cv_ncurses_header:-curses.h}> +],[ + chtype x = COLOR_BLUE; (void)x; + has_colors(); + start_color(); +#ifndef NCURSES_BROKEN + wbkgd(curscr, getbkgd(stdscr)); /* X/Open XPG4 aka SVr4 Curses */ +#endif +], + [cf_cv_color_curses=yes], + [cf_cv_color_curses=no]) + ]) +AC_MSG_RESULT($cf_cv_color_curses) +if test "$cf_cv_color_curses" = yes ; then + AC_DEFINE(COLOR_CURSES,1,[Define to 1 if if curses supports color attributes]) + test ".$cf_cv_ncurses_broken" != .yes && AC_DEFINE(HAVE_GETBKGD,1,[Define to 1 if curses has getbkgd function]) +fi +])dnl +dnl --------------------------------------------------------------------------- +dnl CF_CONST_X_STRING version: 8 updated: 2023/12/01 17:22:50 +dnl ----------------- +dnl The X11R4-X11R6 Xt specification uses an ambiguous String type for most +dnl character-strings. +dnl +dnl It is ambiguous because the specification accommodated the pre-ANSI +dnl compilers bundled by more than one vendor in lieu of providing a standard C +dnl compiler other than by costly add-ons. Because of this, the specification +dnl did not take into account the use of const for telling the compiler that +dnl string literals would be in readonly memory. +dnl +dnl As a workaround, one could (starting with X11R5) define XTSTRINGDEFINES, to +dnl let the compiler decide how to represent Xt's strings which were #define'd. +dnl That does not solve the problem of using the block of Xt's strings which +dnl are compiled into the library (and is less efficient than one might want). +dnl +dnl Xt specification 7 introduces the _CONST_X_STRING symbol which is used both +dnl when compiling the library and compiling using the library, to tell the +dnl compiler that String is const. +AC_DEFUN([CF_CONST_X_STRING], +[ +AC_REQUIRE([AC_PATH_XTRA]) + +CF_SAVE_XTRA_FLAGS([CF_CONST_X_STRING]) + +AC_TRY_COMPILE( +[ +#include <stdlib.h> +#include <X11/Intrinsic.h> +], +[String foo = malloc(1); free((void*)foo)],[ + +AC_CACHE_CHECK(for X11/Xt const-feature,cf_cv_const_x_string,[ + AC_TRY_COMPILE( + [ +#undef _CONST_X_STRING +#define _CONST_X_STRING /* X11R7.8 (perhaps) */ +#undef XTSTRINGDEFINES /* X11R5 and later */ +#include <stdlib.h> +#include <X11/Intrinsic.h> + ],[String foo = malloc(1); *foo = 0],[ + cf_cv_const_x_string=no + ],[ + cf_cv_const_x_string=yes + ]) +]) + +CF_RESTORE_XTRA_FLAGS([CF_CONST_X_STRING]) + +case "$cf_cv_const_x_string" in +(no) + CF_APPEND_TEXT(CPPFLAGS,-DXTSTRINGDEFINES) + ;; +(*) + CF_APPEND_TEXT(CPPFLAGS,-D_CONST_X_STRING) + ;; +esac + +]) +])dnl +dnl --------------------------------------------------------------------------- +dnl CF_CURSES_CHTYPE version: 11 updated: 2021/01/02 09:31:20 +dnl ---------------- +dnl Test if curses defines 'chtype' (usually a 'long' type for SysV curses). +AC_DEFUN([CF_CURSES_CHTYPE], +[ +AC_REQUIRE([CF_CURSES_CPPFLAGS])dnl +AC_CACHE_CHECK(for chtype typedef,cf_cv_chtype_decl,[ + AC_TRY_COMPILE([#include <${cf_cv_ncurses_header:-curses.h}>], + [chtype foo; (void)foo], + [cf_cv_chtype_decl=yes], + [cf_cv_chtype_decl=no])]) +if test "$cf_cv_chtype_decl" = yes ; then + AC_DEFINE(HAVE_TYPE_CHTYPE,1,[Define to 1 if chtype is declared]) + AC_CACHE_CHECK(if chtype is scalar or struct,cf_cv_chtype_type,[ + AC_TRY_COMPILE([#include <${cf_cv_ncurses_header:-curses.h}>], + [static chtype foo; long x = foo; (void)x], + [cf_cv_chtype_type=scalar], + [cf_cv_chtype_type=struct])]) + if test "$cf_cv_chtype_type" = scalar ; then + AC_DEFINE(TYPE_CHTYPE_IS_SCALAR,1,[Define to 1 if chtype is a scaler/integer]) + fi +fi +])dnl +dnl --------------------------------------------------------------------------- +dnl CF_CURSES_CONFIG version: 2 updated: 2006/10/29 11:06:27 +dnl ---------------- +dnl Tie together the configure-script macros for curses. It may be ncurses, +dnl but unless asked, we do not make a special search for ncurses. However, +dnl still check for the ncurses version number, for use in other macros. +AC_DEFUN([CF_CURSES_CONFIG], +[ +CF_CURSES_CPPFLAGS +CF_NCURSES_VERSION +CF_CURSES_LIBS +])dnl +dnl --------------------------------------------------------------------------- +dnl CF_CURSES_CPPFLAGS version: 14 updated: 2021/01/02 09:31:20 +dnl ------------------ +dnl Look for the curses headers. +AC_DEFUN([CF_CURSES_CPPFLAGS],[ + +AC_CACHE_CHECK(for extra include directories,cf_cv_curses_incdir,[ +cf_cv_curses_incdir=no +case "$host_os" in +(hpux10.*) + if test "x$cf_cv_screen" = "xcurses_colr" + then + test -d /usr/include/curses_colr && \ + cf_cv_curses_incdir="-I/usr/include/curses_colr" + fi + ;; +(sunos3*|sunos4*) + if test "x$cf_cv_screen" = "xcurses_5lib" + then + test -d /usr/5lib && \ + test -d /usr/5include && \ + cf_cv_curses_incdir="-I/usr/5include" + fi + ;; +esac +]) +if test "$cf_cv_curses_incdir" != no +then + CF_APPEND_TEXT(CPPFLAGS,$cf_cv_curses_incdir) +fi + +CF_CURSES_HEADER +CF_TERM_HEADER +])dnl +dnl --------------------------------------------------------------------------- +dnl CF_CURSES_FUNCS version: 20 updated: 2020/12/31 20:19:42 +dnl --------------- +dnl Curses-functions are a little complicated, since a lot of them are macros. +AC_DEFUN([CF_CURSES_FUNCS], +[ +AC_REQUIRE([CF_CURSES_CPPFLAGS])dnl +AC_REQUIRE([CF_XOPEN_CURSES]) +AC_REQUIRE([CF_CURSES_TERM_H]) +AC_REQUIRE([CF_CURSES_UNCTRL_H]) +for cf_func in $1 +do + CF_UPPER(cf_tr_func,$cf_func) + AC_MSG_CHECKING(for ${cf_func}) + CF_MSG_LOG(${cf_func}) + AC_CACHE_VAL(cf_cv_func_$cf_func,[ + eval cf_result='$ac_cv_func_'$cf_func + if test ".$cf_result" != ".no"; then + AC_TRY_LINK(CF__CURSES_HEAD, + [ +#ifndef ${cf_func} +long foo = (long)(&${cf_func}); +fprintf(stderr, "testing linkage of $cf_func:%p\\n", (void *)foo); +if (foo + 1234L > 5678L) + ${cf_cv_main_return:-return}(foo != 0); +#endif + ], + [cf_result=yes], + [cf_result=no]) + fi + eval 'cf_cv_func_'$cf_func'="$cf_result"' + ]) + # use the computed/retrieved cache-value: + eval 'cf_result=$cf_cv_func_'$cf_func + AC_MSG_RESULT($cf_result) + if test "$cf_result" != no; then + AC_DEFINE_UNQUOTED(HAVE_${cf_tr_func}) + fi +done +])dnl +dnl --------------------------------------------------------------------------- +dnl CF_CURSES_HEADER version: 6 updated: 2022/12/02 20:06:52 +dnl ---------------- +dnl Find a "curses" header file, e.g,. "curses.h", or one of the more common +dnl variations of ncurses' installs. +dnl +dnl $1 = ncurses when looking for ncurses, or is empty +AC_DEFUN([CF_CURSES_HEADER],[ +AC_CACHE_CHECK(if we have identified curses headers,cf_cv_ncurses_header,[ +cf_cv_ncurses_header=none +for cf_header in \ + ncurses.h ifelse($1,,,[$1/ncurses.h]) \ + curses.h ifelse($1,,,[$1/curses.h]) ifelse($1,,[ncurses/ncurses.h ncurses/curses.h]) +do +AC_TRY_COMPILE([#include <${cf_header}>], + [initscr(); endwin()], + [cf_cv_ncurses_header=$cf_header; break],[]) +done +]) + +if test "$cf_cv_ncurses_header" = none ; then + AC_MSG_ERROR(No curses header-files found) +fi + +# cheat, to get the right #define's for HAVE_NCURSES_H, etc. +AC_CHECK_HEADERS($cf_cv_ncurses_header) +])dnl +dnl --------------------------------------------------------------------------- +dnl CF_CURSES_LIBS version: 45 updated: 2022/12/02 20:06:52 +dnl -------------- +dnl Look for the curses libraries. Older curses implementations may require +dnl termcap/termlib to be linked as well. Call CF_CURSES_CPPFLAGS first. +AC_DEFUN([CF_CURSES_LIBS],[ + +AC_REQUIRE([CF_CURSES_CPPFLAGS])dnl +AC_MSG_CHECKING(if we have identified curses libraries) +AC_TRY_LINK([#include <${cf_cv_ncurses_header:-curses.h}>], + [initscr(); endwin()], + cf_result=yes, + cf_result=no) +AC_MSG_RESULT($cf_result) + +if test "$cf_result" = no ; then +case "$host_os" in +(freebsd*) + AC_CHECK_LIB(mytinfo,tgoto,[CF_ADD_LIBS(-lmytinfo)]) + ;; +(hpux10.*) + # Looking at HPUX 10.20, the Hcurses library is the oldest (1997), cur_colr + # next (1998), and xcurses "newer" (2000). There is no header file for + # Hcurses; the subdirectory curses_colr has the headers (curses.h and + # term.h) for cur_colr + if test "x$cf_cv_screen" = "xcurses_colr" + then + AC_CHECK_LIB(cur_colr,initscr,[ + CF_ADD_LIBS(-lcur_colr) + ac_cv_func_initscr=yes + ],[ + AC_CHECK_LIB(Hcurses,initscr,[ + # HP's header uses __HP_CURSES, but user claims _HP_CURSES. + CF_ADD_LIBS(-lHcurses) + CF_APPEND_TEXT(CPPFLAGS,-D__HP_CURSES -D_HP_CURSES) + ac_cv_func_initscr=yes + ])]) + fi + ;; +(linux*) + case `arch 2>/dev/null` in + (x86_64) + if test -d /lib64 + then + CF_ADD_LIBDIR(/lib64) + else + CF_ADD_LIBDIR(/lib) + fi + ;; + (*) + CF_ADD_LIBDIR(/lib) + ;; + esac + ;; +(sunos3*|sunos4*) + if test "x$cf_cv_screen" = "xcurses_5lib" + then + if test -d /usr/5lib ; then + CF_ADD_LIBDIR(/usr/5lib) + CF_ADD_LIBS(-lcurses -ltermcap) + fi + fi + ac_cv_func_initscr=yes + ;; +esac + +if test ".$ac_cv_func_initscr" != .yes ; then + cf_save_LIBS="$LIBS" + + if test ".${cf_cv_ncurses_version:-no}" != .no + then + cf_check_list="ncurses curses cursesX" + else + cf_check_list="cursesX curses ncurses" + fi + + # Check for library containing tgoto. Do this before curses library + # because it may be needed to link the test-case for initscr. + if test "x$cf_term_lib" = x + then + AC_CHECK_FUNC(tgoto,[cf_term_lib=predefined],[ + for cf_term_lib in $cf_check_list otermcap termcap tinfo termlib unknown + do + AC_CHECK_LIB($cf_term_lib,tgoto,[ + : "${cf_nculib_root:=$cf_term_lib}" + break + ]) + done + ]) + fi + + # Check for library containing initscr + test "$cf_term_lib" != predefined && test "$cf_term_lib" != unknown && LIBS="-l$cf_term_lib $cf_save_LIBS" + if test "x$cf_curs_lib" = x + then + for cf_curs_lib in $cf_check_list xcurses jcurses pdcurses unknown + do + LIBS="-l$cf_curs_lib $cf_save_LIBS" + if test "$cf_term_lib" = unknown || test "$cf_term_lib" = "$cf_curs_lib" ; then + AC_MSG_CHECKING(if we can link with $cf_curs_lib library) + AC_TRY_LINK([#include <${cf_cv_ncurses_header:-curses.h}>], + [initscr()], + [cf_result=yes], + [cf_result=no]) + AC_MSG_RESULT($cf_result) + test "$cf_result" = yes && break + elif test "$cf_curs_lib" = "$cf_term_lib" ; then + cf_result=no + elif test "$cf_term_lib" != predefined ; then + AC_MSG_CHECKING(if we need both $cf_curs_lib and $cf_term_lib libraries) + AC_TRY_LINK([#include <${cf_cv_ncurses_header:-curses.h}>], + [initscr(); endwin();], + [cf_result=no], + [ + LIBS="-l$cf_curs_lib -l$cf_term_lib $cf_save_LIBS" + AC_TRY_LINK([#include <${cf_cv_ncurses_header:-curses.h}>], + [initscr()], + [cf_result=yes], + [cf_result=error]) + ]) + AC_MSG_RESULT($cf_result) + test "$cf_result" != error && break + fi + done + fi + test "$cf_curs_lib" = unknown && AC_MSG_ERROR(no curses library found) +fi +fi + +])dnl +dnl --------------------------------------------------------------------------- +dnl CF_CURSES_TERM_H version: 16 updated: 2024/01/07 06:34:16 +dnl ---------------- +dnl SVr4 curses should have term.h as well (where it puts the definitions of +dnl the low-level interface). This may not be true in old/broken implementations, +dnl as well as in misconfigured systems (e.g., gcc configured for Solaris 2.4 +dnl running with Solaris 2.5.1). +AC_DEFUN([CF_CURSES_TERM_H], +[ +AC_REQUIRE([CF_CURSES_CPPFLAGS])dnl + +AC_CACHE_CHECK(for term.h, cf_cv_term_header,[ + +# If we found <ncurses/curses.h>, look for <ncurses/term.h>, but always look +# for <term.h> if we do not find the variant. + +cf_header_list="term.h ncurses/term.h ncursesw/term.h" + +case "${cf_cv_ncurses_header:-curses.h}" in +(*/*) + cf_header_item=`echo "${cf_cv_ncurses_header:-curses.h}" | sed -e 's%\..*%%' -e 's%/.*%/%'`term.h + cf_header_list="$cf_header_item $cf_header_list" + ;; +esac + +for cf_header in $cf_header_list +do + AC_TRY_COMPILE([ +#include <${cf_cv_ncurses_header:-curses.h}> +#include <${cf_header}>], + [WINDOW *x; (void)x], + [cf_cv_term_header=$cf_header + break], + [cf_cv_term_header=no]) +done + +case "$cf_cv_term_header" in +(no) + # If curses is ncurses, some packagers still mess it up by trying to make + # us use GNU termcap. This handles the most common case. + for cf_header in ncurses/term.h ncursesw/term.h + do + AC_TRY_COMPILE([ +#include <${cf_cv_ncurses_header:-curses.h}> +#ifdef NCURSES_VERSION +#include <${cf_header}> +#else +#error expected NCURSES_VERSION to be defined +#endif], + [WINDOW *x; (void)x], + [cf_cv_term_header=$cf_header + break], + [cf_cv_term_header=no]) + done + ;; +esac +]) + +case "$cf_cv_term_header" in +(term.h) + AC_DEFINE(HAVE_TERM_H,1,[Define to 1 if we have term.h]) + ;; +(ncurses/term.h) + AC_DEFINE(HAVE_NCURSES_TERM_H,1,[Define to 1 if we have ncurses/term.h]) + ;; +(ncursesw/term.h) + AC_DEFINE(HAVE_NCURSESW_TERM_H,1,[Define to 1 if we have ncursesw/term.h]) + ;; +esac +])dnl +dnl --------------------------------------------------------------------------- +dnl CF_CURSES_UNCTRL_H version: 8 updated: 2021/01/02 09:31:20 +dnl ------------------ +dnl Any X/Open curses implementation must have unctrl.h, but ncurses packages +dnl may put it in a subdirectory (along with ncurses' other headers, of +dnl course). Packages which put the headers in inconsistent locations are +dnl broken). +AC_DEFUN([CF_CURSES_UNCTRL_H], +[ +AC_REQUIRE([CF_CURSES_CPPFLAGS])dnl + +AC_CACHE_CHECK(for unctrl.h, cf_cv_unctrl_header,[ + +# If we found <ncurses/curses.h>, look for <ncurses/unctrl.h>, but always look +# for <unctrl.h> if we do not find the variant. + +cf_header_list="unctrl.h ncurses/unctrl.h ncursesw/unctrl.h" + +case "${cf_cv_ncurses_header:-curses.h}" in +(*/*) + cf_header_item=`echo "${cf_cv_ncurses_header:-curses.h}" | sed -e 's%\..*%%' -e 's%/.*%/%'`unctrl.h + cf_header_list="$cf_header_item $cf_header_list" + ;; +esac + +for cf_header in $cf_header_list +do + AC_TRY_COMPILE([ +#include <${cf_cv_ncurses_header:-curses.h}> +#include <${cf_header}>], + [WINDOW *x; (void)x], + [cf_cv_unctrl_header=$cf_header + break], + [cf_cv_unctrl_header=no]) +done +]) + +case "$cf_cv_unctrl_header" in +(no) + AC_MSG_WARN(unctrl.h header not found) + ;; +esac + +case "$cf_cv_unctrl_header" in +(unctrl.h) + AC_DEFINE(HAVE_UNCTRL_H,1,[Define to 1 if we have unctrl.h]) + ;; +(ncurses/unctrl.h) + AC_DEFINE(HAVE_NCURSES_UNCTRL_H,1,[Define to 1 if we have ncurses/unctrl.h]) + ;; +(ncursesw/unctrl.h) + AC_DEFINE(HAVE_NCURSESW_UNCTRL_H,1,[Define to 1 if we have ncursesw/unctrl.h]) + ;; +esac +])dnl +dnl --------------------------------------------------------------------------- +dnl CF_CURS_PERFORMANCE version: 6 updated: 2021/01/02 09:31:20 +dnl ------------------- +dnl Solaris 2.x curses provides a "performance" tradeoff according to whether +dnl CURS_PERFORMANCE is defined. If defined, the implementation defines macros +dnl that access the WINDOW structure. Otherwise, function calls are used. +AC_DEFUN([CF_CURS_PERFORMANCE], +[ +AC_MSG_CHECKING([for curses performance tradeoff]) +AC_CACHE_VAL(cf_cv_curs_performance,[ + cf_cv_curs_performance=no + AC_TRY_COMPILE([ +#include <${cf_cv_ncurses_header:-curses.h}>],[ +#if defined(wbkgdset) && defined(clearok) && defined(getbkgd) + int x = ERR; +#else + int x = ; /* force an error */ +#endif + ],[ + AC_TRY_COMPILE([ +#define CURS_PERFORMANCE +#include <${cf_cv_ncurses_header:-curses.h}>],[ +#if defined(wbkgdset) && defined(clearok) && defined(getbkgd) + int x = ; /* force an error */ +#else + int x = ERR; +#endif + ],[cf_cv_curs_performance=yes])])]) +AC_MSG_RESULT($cf_cv_curs_performance) +test "$cf_cv_curs_performance" = yes && AC_DEFINE(CURS_PERFORMANCE,1,[Define to 1 ifr curses performance tradeoff available]) +])dnl +dnl --------------------------------------------------------------------------- +dnl CF_CURS_TOUCHLINE version: 5 updated: 2015/04/15 19:08:48 +dnl ----------------- +dnl Check for the flavor of the touchline function, to distinguish between BSD +dnl and SYSV. This is needed on NetBSD 1.5 which has a partial implementation +dnl of SVR4 curses. +AC_DEFUN([CF_CURS_TOUCHLINE],[ +AC_CACHE_CHECK(for curses touchline function,cf_cv_curs_touchline,[ + AC_TRY_LINK([ +#include <${cf_cv_ncurses_header:-curses.h}>], + [touchline(stdscr, 1,2,3);], + [cf_cv_curs_touchline=bsd], + [AC_TRY_LINK([ +#include <${cf_cv_ncurses_header:-curses.h}>], + [touchline(stdscr, 1,2);], + [cf_cv_curs_touchline=sysv], + [cf_cv_curs_touchline=bsd])])]) +case "$cf_cv_curs_touchline" in +(bsd) + AC_DEFINE(HAVE_BSD_TOUCHLINE,1,[Define to 1 if curses has bsd-style touchline]) + ;; +(sysv) + AC_DEFINE(HAVE_SYSV_TOUCHLINE,1,[Define to 1 if curses has sysv-style touchline]) + ;; +esac +])dnl +dnl --------------------------------------------------------------------------- +dnl CF_DEFINE_PROG version: 5 updated: 2021/01/02 09:31:20 +dnl -------------- +dnl Check for a program in the given list $3, defining the corresponding +dnl program variable $2. +dnl +AC_DEFUN([CF_DEFINE_PROG],[ +AC_MSG_CHECKING(for $1) +AC_CACHE_VAL(cf_cv_$2,[ + cf_cv_$2=unknown + for cv_path in $3 + do + if test -f "$cv_path" ; then + cf_cv_$2="$cv_path" + break + fi + done + ]) +AC_MSG_RESULT($cf_cv_$2) +AC_DEFINE_UNQUOTED($2,"$cf_cv_$2",[Define to program from list]) +])dnl +dnl --------------------------------------------------------------------------- +dnl CF_DIRNAME version: 5 updated: 2020/12/31 20:19:42 +dnl ---------- +dnl "dirname" is not portable, so we fake it with a shell script. +AC_DEFUN([CF_DIRNAME],[$1=`echo "$2" | sed -e 's%/[[^/]]*$%%'`])dnl +dnl --------------------------------------------------------------------------- +dnl CF_DISABLE_ECHO version: 14 updated: 2021/09/04 06:35:04 +dnl --------------- +dnl You can always use "make -n" to see the actual options, but it is hard to +dnl pick out/analyze warning messages when the compile-line is long. +dnl +dnl Sets: +dnl ECHO_LT - symbol to control if libtool is verbose +dnl ECHO_LD - symbol to prefix "cc -o" lines +dnl RULE_CC - symbol to put before implicit "cc -c" lines (e.g., .c.o) +dnl SHOW_CC - symbol to put before explicit "cc -c" lines +dnl ECHO_CC - symbol to put before any "cc" line +dnl +AC_DEFUN([CF_DISABLE_ECHO],[ +AC_MSG_CHECKING(if you want to see long compiling messages) +CF_ARG_DISABLE(echo, + [ --disable-echo do not display "compiling" commands], + [ + ECHO_LT='--silent' + ECHO_LD='@echo linking [$]@;' + RULE_CC='@echo compiling [$]<' + SHOW_CC='@echo compiling [$]@' + ECHO_CC='@' +],[ + ECHO_LT='' + ECHO_LD='' + RULE_CC='' + SHOW_CC='' + ECHO_CC='' +]) +AC_MSG_RESULT($enableval) +AC_SUBST(ECHO_LT) +AC_SUBST(ECHO_LD) +AC_SUBST(RULE_CC) +AC_SUBST(SHOW_CC) +AC_SUBST(ECHO_CC) +])dnl +dnl --------------------------------------------------------------------------- +dnl CF_DISABLE_RPATH_HACK version: 3 updated: 2021/01/05 20:14:44 +dnl --------------------- +dnl The rpath-hack makes it simpler to build programs, particularly with the +dnl *BSD ports which may have essential libraries in unusual places. But it +dnl can interfere with building an executable for the base system. Use this +dnl option in that case. +AC_DEFUN([CF_DISABLE_RPATH_HACK], +[ +AC_MSG_CHECKING(if rpath-hack should be disabled) +CF_ARG_DISABLE(rpath-hack, + [ --disable-rpath-hack don't add rpath options for additional libraries], + [enable_rpath_hack=no], + [enable_rpath_hack=yes]) +dnl TODO - drop cf_disable_rpath_hack +if test "x$enable_rpath_hack" = xno; then cf_disable_rpath_hack=yes; else cf_disable_rpath_hack=no; fi +AC_MSG_RESULT($cf_disable_rpath_hack) + +if test "$enable_rpath_hack" = yes ; then + CF_RPATH_HACK +fi +]) +dnl --------------------------------------------------------------------------- +dnl CF_ENABLE_WARNINGS version: 9 updated: 2021/01/05 19:40:50 +dnl ------------------ +dnl Configure-option to enable gcc warnings +dnl +dnl $1 = extra options to add, if supported +dnl $2 = option for checking attributes. By default, this is done when +dnl warnings are enabled. For other values: +dnl yes: always do this, e.g., to use in generated library-headers +dnl no: never do this +AC_DEFUN([CF_ENABLE_WARNINGS],[ +if test "$GCC" = yes || test "$GXX" = yes +then +CF_FIX_WARNINGS(CFLAGS) +CF_FIX_WARNINGS(CPPFLAGS) +CF_FIX_WARNINGS(LDFLAGS) +AC_MSG_CHECKING(if you want to turn on gcc warnings) +CF_ARG_ENABLE(warnings, + [ --enable-warnings test: turn on gcc compiler warnings], + [enable_warnings=yes], + [enable_warnings=no]) +AC_MSG_RESULT($enable_warnings) +if test "$enable_warnings" = "yes" +then + ifelse($2,,[CF_GCC_ATTRIBUTES]) + CF_GCC_WARNINGS($1) +fi +ifelse($2,yes,[CF_GCC_ATTRIBUTES]) +fi +])dnl +dnl --------------------------------------------------------------------------- +dnl CF_ERRNO version: 5 updated: 1997/11/30 12:44:39 +dnl -------- +dnl Check if 'errno' is declared in <errno.h> +AC_DEFUN([CF_ERRNO], +[ +CF_CHECK_ERRNO(errno) +])dnl +dnl --------------------------------------------------------------------------- +dnl CF_FANCY_CURSES version: 7 updated: 2021/01/02 09:31:20 +dnl --------------- +AC_DEFUN([CF_FANCY_CURSES], +[ +AC_MSG_CHECKING(if curses supports fancy attributes) +AC_CACHE_VAL(cf_cv_fancy_curses,[ + AC_TRY_LINK([ +#include <${cf_cv_ncurses_header:-curses.h}> +], + [attrset(A_UNDERLINE|A_BOLD|A_REVERSE); + wattrset(stdscr, A_BLINK|A_DIM); + attroff(A_BOLD); + keypad(stdscr,TRUE); + ], + [cf_cv_fancy_curses=yes], + [cf_cv_fancy_curses=no]) + ]) +AC_MSG_RESULT($cf_cv_fancy_curses) +test "$cf_cv_fancy_curses" = yes && AC_DEFINE(FANCY_CURSES,1,[Define to 1 if curses supports fancy attributes]) +])dnl +dnl --------------------------------------------------------------------------- +dnl CF_FIND_IPV6_LIBS version: 9 updated: 2021/01/02 09:31:20 +dnl ----------------- +dnl Based on the IPV6 stack type, look for the corresponding library. +AC_DEFUN([CF_FIND_IPV6_LIBS],[ +AC_REQUIRE([CF_FIND_IPV6_TYPE]) + +cf_ipv6lib=none +cf_ipv6dir=none + +AC_MSG_CHECKING(for IPv6 library if required) +case "$cf_cv_ipv6type" in +(solaris) + ;; +(inria) + ;; +(kame) + dnl http://www.kame.net/ + cf_ipv6lib=inet6 + cf_ipv6dir=v6 + ;; +(linux-glibc) + ;; +(linux-libinet6) + dnl http://www.v6.linux.or.jp/ + cf_ipv6lib=inet6 + cf_ipv6dir=inet6 + ;; +(toshiba) + cf_ipv6lib=inet6 + cf_ipv6dir=v6 + ;; +(v6d) + cf_ipv6lib=v6 + cf_ipv6dir=v6 + ;; +(zeta) + cf_ipv6lib=inet6 + cf_ipv6dir=v6 + ;; +esac +AC_MSG_RESULT($cf_ipv6lib) + +if test "$cf_ipv6lib" != "none"; then + + AC_TRY_LINK([ +#include <sys/types.h> +#include <netdb.h> +#include <netinet/in.h> +#include <netinet/ip6.h>], + [getaddrinfo(0, 0, 0, 0)],,[ + CF_HEADER_PATH(cf_search,$cf_ipv6dir) + for cf_incdir in $cf_search + do + cf_header=$cf_incdir/netinet/ip6.h + if test -f "$cf_header" + then + CF_ADD_INCDIR($cf_incdir) + test -n "$verbose" && echo " ... found $cf_header" 1>&AC_FD_MSG + break + fi + test -n "$verbose" && echo " ... tested $cf_header" 1>&AC_FD_MSG + done + ]) + + CF_FIND_LIBRARY([$cf_ipv6lib],[$cf_ipv6dir],[ +#include <sys/types.h> +#include <netdb.h> +#include <netinet/in.h> +#include <netinet/ip6.h>], + [getaddrinfo(0, 0, 0, 0)], + [getaddrinfo], + noexit) + if test "$cf_found_library" = no ; then + AC_MSG_ERROR( +[No $cf_ipv6lib library found, cannot continue. You must fetch lib$cf_ipv6lib.a +from an appropriate IPv6 kit and compile beforehand.]) + fi +fi + +])dnl +dnl --------------------------------------------------------------------------- +dnl CF_FIND_IPV6_TYPE version: 7 updated: 2021/01/02 09:31:20 +dnl ----------------- +AC_DEFUN([CF_FIND_IPV6_TYPE],[ +AC_CACHE_CHECK(ipv6 stack type, cf_cv_ipv6type, [ +cf_cv_ipv6type=unknown +for i in solaris inria kame linux-glibc linux-libinet6 toshiba v6d zeta +do + case "$i" in + (solaris) + if test "SunOS" = "`uname -s`" + then + if test -f /usr/include/netinet/ip6.h + then + cf_cv_ipv6type=$i + fi + fi + ;; + (inria) + dnl http://www.kame.net/ + AC_EGREP_CPP(yes, [ +#include <netinet/in.h> +#ifdef IPV6_INRIA_VERSION +yes +#endif], [cf_cv_ipv6type=$i]) + ;; + (kame) + dnl http://www.kame.net/ + AC_EGREP_CPP(yes, [ +#include <netinet/in.h> +#ifdef __KAME__ +yes +#endif], [cf_cv_ipv6type=$i]) + ;; + (linux-glibc) + dnl http://www.v6.linux.or.jp/ + AC_EGREP_CPP(yes, [ +#include <features.h> +#if defined(__GLIBC__) && __GLIBC__ >= 2 && __GLIBC_MINOR__ >= 1 +yes +#endif], [cf_cv_ipv6type=$i]) + ;; + (linux-libinet6) + dnl http://www.v6.linux.or.jp/ + if test -d /usr/inet6 + then + cf_cv_ipv6type=$i + elif test -f /usr/include/netinet/ip6.h + then + cf_cv_ipv6type=$i + fi + ;; + (toshiba) + AC_EGREP_CPP(yes, [ +#include <sys/param.h> +#ifdef _TOSHIBA_INET6 +yes +#endif], [cf_cv_ipv6type=$i]) + ;; + (v6d) + AC_EGREP_CPP(yes, [ +#include </usr/local/v6/include/sys/v6config.h> +#ifdef __V6D__ +yes +#endif], [cf_cv_ipv6type=$i]) + ;; + (zeta) + AC_EGREP_CPP(yes, [ +#include <sys/param.h> +#ifdef _ZETA_MINAMI_INET6 +yes +#endif], [cf_cv_ipv6type=$i]) + ;; + esac + if test "$cf_cv_ipv6type" != "unknown"; then + break + fi +done +]) +])dnl +dnl --------------------------------------------------------------------------- +dnl CF_FIND_LIBRARY version: 11 updated: 2021/01/02 09:31:20 +dnl --------------- +dnl Look for a non-standard library, given parameters for AC_TRY_LINK. We +dnl prefer a standard location, and use -L options only if we do not find the +dnl library in the standard library location(s). +dnl $1 = library name +dnl $2 = library class, usually the same as library name +dnl $3 = includes +dnl $4 = code fragment to compile/link +dnl $5 = corresponding function-name +dnl $6 = flag, nonnull if failure should not cause an error-exit +dnl +dnl Sets the variable "$cf_libdir" as a side-effect, so we can see if we had +dnl to use a -L option. +AC_DEFUN([CF_FIND_LIBRARY], +[ + eval 'cf_cv_have_lib_'"$1"'=no' + cf_libdir="" + AC_CHECK_FUNC($5, + eval 'cf_cv_have_lib_'"$1"'=yes',[ + cf_save_LIBS="$LIBS" + AC_MSG_CHECKING(for $5 in -l$1) + LIBS="-l$1 $LIBS" + AC_TRY_LINK([$3],[$4], + [AC_MSG_RESULT(yes) + eval 'cf_cv_have_lib_'"$1"'=yes' + ], + [AC_MSG_RESULT(no) + CF_LIBRARY_PATH(cf_search,$2) + for cf_libdir in $cf_search + do + AC_MSG_CHECKING(for -l$1 in $cf_libdir) + LIBS="-L$cf_libdir -l$1 $cf_save_LIBS" + AC_TRY_LINK([$3],[$4], + [AC_MSG_RESULT(yes) + eval 'cf_cv_have_lib_'"$1"'=yes' + break], + [AC_MSG_RESULT(no) + LIBS="$cf_save_LIBS"]) + done + ]) + ]) +eval 'cf_found_library="[$]cf_cv_have_lib_'"$1"\" +ifelse($6,,[ +if test "$cf_found_library" = no ; then + AC_MSG_ERROR(Cannot link $1 library) +fi +]) +])dnl +dnl --------------------------------------------------------------------------- +dnl CF_FIND_LINKAGE version: 22 updated: 2020/12/31 20:19:42 +dnl --------------- +dnl Find a library (specifically the linkage used in the code fragment), +dnl searching for it if it is not already in the library path. +dnl See also CF_ADD_SEARCHPATH. +dnl +dnl Parameters (4-on are optional): +dnl $1 = headers for library entrypoint +dnl $2 = code fragment for library entrypoint +dnl $3 = the library name without the "-l" option or ".so" suffix. +dnl $4 = action to perform if successful (default: update CPPFLAGS, etc) +dnl $5 = action to perform if not successful +dnl $6 = module name, if not the same as the library name +dnl $7 = extra libraries +dnl +dnl Sets these variables: +dnl $cf_cv_find_linkage_$3 - yes/no according to whether linkage is found +dnl $cf_cv_header_path_$3 - include-directory if needed +dnl $cf_cv_library_path_$3 - library-directory if needed +dnl $cf_cv_library_file_$3 - library-file if needed, e.g., -l$3 +AC_DEFUN([CF_FIND_LINKAGE],[ + +# If the linkage is not already in the $CPPFLAGS/$LDFLAGS configuration, these +# will be set on completion of the AC_TRY_LINK below. +cf_cv_header_path_$3= +cf_cv_library_path_$3= + +CF_MSG_LOG([Starting [FIND_LINKAGE]($3,$6)]) + +cf_save_LIBS="$LIBS" + +AC_TRY_LINK([$1],[$2],[ + cf_cv_find_linkage_$3=yes + cf_cv_header_path_$3=/usr/include + cf_cv_library_path_$3=/usr/lib +],[ + +LIBS="-l$3 $7 $cf_save_LIBS" + +AC_TRY_LINK([$1],[$2],[ + cf_cv_find_linkage_$3=yes + cf_cv_header_path_$3=/usr/include + cf_cv_library_path_$3=/usr/lib + cf_cv_library_file_$3="-l$3" +],[ + cf_cv_find_linkage_$3=no + LIBS="$cf_save_LIBS" + + CF_VERBOSE(find linkage for $3 library) + CF_MSG_LOG([Searching for headers in [FIND_LINKAGE]($3,$6)]) + + cf_save_CPPFLAGS="$CPPFLAGS" + cf_test_CPPFLAGS="$CPPFLAGS" + + CF_HEADER_PATH(cf_search,ifelse([$6],,[$3],[$6])) + for cf_cv_header_path_$3 in $cf_search + do + if test -d "$cf_cv_header_path_$3" ; then + CF_VERBOSE(... testing $cf_cv_header_path_$3) + CPPFLAGS="$cf_save_CPPFLAGS" + CF_APPEND_TEXT(CPPFLAGS,-I$cf_cv_header_path_$3) + AC_TRY_COMPILE([$1],[$2],[ + CF_VERBOSE(... found $3 headers in $cf_cv_header_path_$3) + cf_cv_find_linkage_$3=maybe + cf_test_CPPFLAGS="$CPPFLAGS" + break],[ + CPPFLAGS="$cf_save_CPPFLAGS" + ]) + fi + done + + if test "$cf_cv_find_linkage_$3" = maybe ; then + + CF_MSG_LOG([Searching for $3 library in [FIND_LINKAGE]($3,$6)]) + + cf_save_LIBS="$LIBS" + cf_save_LDFLAGS="$LDFLAGS" + + ifelse([$6],,,[ + CPPFLAGS="$cf_test_CPPFLAGS" + LIBS="-l$3 $7 $cf_save_LIBS" + AC_TRY_LINK([$1],[$2],[ + CF_VERBOSE(... found $3 library in system) + cf_cv_find_linkage_$3=yes]) + CPPFLAGS="$cf_save_CPPFLAGS" + LIBS="$cf_save_LIBS" + ]) + + if test "$cf_cv_find_linkage_$3" != yes ; then + CF_LIBRARY_PATH(cf_search,$3) + for cf_cv_library_path_$3 in $cf_search + do + if test -d "$cf_cv_library_path_$3" ; then + CF_VERBOSE(... testing $cf_cv_library_path_$3) + CPPFLAGS="$cf_test_CPPFLAGS" + LIBS="-l$3 $7 $cf_save_LIBS" + LDFLAGS="$cf_save_LDFLAGS -L$cf_cv_library_path_$3" + AC_TRY_LINK([$1],[$2],[ + CF_VERBOSE(... found $3 library in $cf_cv_library_path_$3) + cf_cv_find_linkage_$3=yes + cf_cv_library_file_$3="-l$3" + break],[ + CPPFLAGS="$cf_save_CPPFLAGS" + LIBS="$cf_save_LIBS" + LDFLAGS="$cf_save_LDFLAGS" + ]) + fi + done + CPPFLAGS="$cf_save_CPPFLAGS" + LDFLAGS="$cf_save_LDFLAGS" + fi + + else + cf_cv_find_linkage_$3=no + fi + ],$7) +]) + +LIBS="$cf_save_LIBS" + +if test "$cf_cv_find_linkage_$3" = yes ; then +ifelse([$4],,[ + CF_ADD_INCDIR($cf_cv_header_path_$3) + CF_ADD_LIBDIR($cf_cv_library_path_$3) + CF_ADD_LIB($3) +],[$4]) +else +ifelse([$5],,AC_MSG_WARN(Cannot find $3 library),[$5]) +fi +])dnl +dnl --------------------------------------------------------------------------- +dnl CF_FIONBIO version: 4 updated: 2021/06/08 18:08:14 +dnl ---------- +dnl Check for availability of fcntl versus ioctl(,FIONBIO,). Lynx uses this +dnl for Sequent (ptx), and it is needed for OS/2 EMX. +AC_DEFUN([CF_FIONBIO], +[ +AC_CACHE_CHECK(if we should use fcntl or ioctl,cf_cv_fionbio,[ +AC_TRY_LINK([ +#include <sys/types.h> +#include <sys/ioctl.h> +],[ + int ret = ioctl(0, FIONBIO, (char *)0); (void) ret + ],[cf_cv_fionbio=ioctl],[ +AC_TRY_LINK([ +#include <sys/types.h> +#if HAVE_FCNTL_H +#include <fcntl.h> +#else +#if HAVE_SYS_FCNTL_H +#include <sys/fcntl.h> +#endif +#endif],[ + int ret = fcntl(0, F_SETFL, O_NONBLOCK); + ], + [cf_cv_fionbio=fcntl], + [cf_cv_fionbio=unknown])]) +]) +test "$cf_cv_fionbio" = "fcntl" && AC_DEFINE(USE_FCNTL,1,[Define to 1 if we should use fcntl]) +])dnl +dnl --------------------------------------------------------------------------- +dnl CF_FIX_WARNINGS version: 4 updated: 2021/12/16 18:22:31 +dnl --------------- +dnl Warning flags do not belong in CFLAGS, CPPFLAGS, etc. Any of gcc's +dnl "-Werror" flags can interfere with configure-checks. Those go into +dnl EXTRA_CFLAGS. +dnl +dnl $1 = variable name to repair +define([CF_FIX_WARNINGS],[ +if test "$GCC" = yes || test "$GXX" = yes +then + case [$]$1 in + (*-Werror=*) + cf_temp_flags= + for cf_temp_scan in [$]$1 + do + case "x$cf_temp_scan" in + (x-Werror=format*) + CF_APPEND_TEXT(cf_temp_flags,$cf_temp_scan) + ;; + (x-Werror=*) + CF_APPEND_TEXT(EXTRA_CFLAGS,$cf_temp_scan) + ;; + (*) + CF_APPEND_TEXT(cf_temp_flags,$cf_temp_scan) + ;; + esac + done + if test "x[$]$1" != "x$cf_temp_flags" + then + CF_VERBOSE(repairing $1: [$]$1) + $1="$cf_temp_flags" + CF_VERBOSE(... fixed [$]$1) + CF_VERBOSE(... extra $EXTRA_CFLAGS) + fi + ;; + esac +fi +AC_SUBST(EXTRA_CFLAGS) +])dnl +dnl --------------------------------------------------------------------------- +dnl CF_FUNC_CURSES_VERSION version: 9 updated: 2023/01/05 18:06:10 +dnl ---------------------- +dnl Solaris has a data item 'curses_version', which confuses AC_CHECK_FUNCS. +dnl It's a character string "SVR4", not documented. +AC_DEFUN([CF_FUNC_CURSES_VERSION], +[ +AC_CACHE_CHECK(for function curses_version, cf_cv_func_curses_version,[ +AC_TRY_RUN([ +$ac_includes_default + +#include <${cf_cv_ncurses_header:-curses.h}> + +int main(void) +{ + char temp[1024]; + sprintf(temp, "%.999s\\n", curses_version()); + ${cf_cv_main_return:-return}(0); +}] +,[cf_cv_func_curses_version=yes] +,[cf_cv_func_curses_version=no] +,[cf_cv_func_curses_version=unknown]) +rm -f core]) +test "$cf_cv_func_curses_version" = yes && AC_DEFINE(HAVE_CURSES_VERSION,1,[Define to 1 if we have curses_version function]) +]) +dnl --------------------------------------------------------------------------- +dnl CF_FUNC_GETADDRINFO version: 10 updated: 2023/01/05 18:06:22 +dnl ------------------- +dnl Look for a working version of getaddrinfo(), for IPV6 support. +AC_DEFUN([CF_FUNC_GETADDRINFO],[ +AC_CACHE_CHECK(working getaddrinfo, cf_cv_getaddrinfo,[ +AC_TRY_RUN([ +$ac_includes_default + +#include <netdb.h> +#include <sys/socket.h> +#include <netinet/in.h> + +#define expect(a,b) if (strcmp(a,b) != 0) goto bad + +int main(void) +{ + int passive, gaierr, inet4 = 0, inet6 = 0; + struct addrinfo hints, *ai, *aitop; + char straddr[INET6_ADDRSTRLEN], strport[16]; + + for (passive = 0; passive <= 1; passive++) { + memset(&hints, 0, sizeof(hints)); + hints.ai_family = AF_UNSPEC; + hints.ai_flags = passive ? AI_PASSIVE : 0; + hints.ai_socktype = SOCK_STREAM; + if ((gaierr = getaddrinfo(NULL, "54321", &hints, &aitop)) != 0) { + (void)gai_strerror(gaierr); + goto bad; + } + for (ai = aitop; ai; ai = ai->ai_next) { + if (ai->ai_addr == NULL || + ai->ai_addrlen == 0 || + getnameinfo(ai->ai_addr, ai->ai_addrlen, + straddr, sizeof(straddr), strport, sizeof(strport), + NI_NUMERICHOST|NI_NUMERICSERV) != 0) { + goto bad; + } + switch (ai->ai_family) { + case AF_INET: + expect(strport, "54321"); + if (passive) { + expect(straddr, "0.0.0.0"); + } else { + expect(straddr, "127.0.0.1"); + } + inet4++; + break; + case AF_INET6: + expect(strport, "54321"); + if (passive) { + expect(straddr, "::"); + } else { + expect(straddr, "::1"); + } + inet6++; + break; + case AF_UNSPEC: + goto bad; + break; + default: + /* another family support? */ + break; + } + } + } + + if (!(inet4 == 0 || inet4 == 2)) + goto bad; + if (!(inet6 == 0 || inet6 == 2)) + goto bad; + + if (aitop) + freeaddrinfo(aitop); + ${cf_cv_main_return:-return}(0); + + bad: + if (aitop) + freeaddrinfo(aitop); + ${cf_cv_main_return:-return}(1); +} +], +[cf_cv_getaddrinfo=yes], +[cf_cv_getaddrinfo=no], +[cf_cv_getaddrinfo=unknown]) +]) +if test "$cf_cv_getaddrinfo" = yes ; then + AC_DEFINE(HAVE_GAI_STRERROR,1,[Define to 1 if we have gai_strerror function]) + AC_DEFINE(HAVE_GETADDRINFO,1,[Define to 1 if we have getaddrinfo function]) +fi +])dnl +dnl --------------------------------------------------------------------------- +dnl CF_FUNC_GETPWUID version: 1 updated: 2024/01/07 10:28:51 +dnl ---------------- +dnl Check for getpwuid() +AC_DEFUN([CF_FUNC_GETPWUID], +[ +AC_CACHE_CHECK(for getpwuid, ac_cv_func_getpwuid,[ +AC_TRY_LINK([ +$ac_includes_default +#include <pwd.h> +],[ + struct passwd *foo = getpwuid(0); + (void) foo +], + [ac_cv_func_getpwuid=yes], + [ac_cv_func_getpwuid=no]) +]) +if test "$ac_cv_func_getpwuid" = yes; then + ac_cv_header_pwd_h=yes + AC_DEFINE(HAVE_PWD_H,1,[Define to 1 if we have pwd.h header]) + AC_DEFINE(HAVE_GETPWUID,1,[Define to 1 if we have getpwuid function]) +fi +])dnl +dnl --------------------------------------------------------------------------- +dnl CF_FUNC_LSTAT version: 6 updated: 2023/01/11 04:05:23 +dnl ------------- +dnl A conventional existence-check for 'lstat' won't work with the Linux +dnl version of gcc 2.7.0, since the symbol is defined only within <sys/stat.h> +dnl as an inline function. +dnl +dnl So much for portability. +AC_DEFUN([CF_FUNC_LSTAT], +[ +AC_MSG_CHECKING(for lstat) +AC_CACHE_VAL(ac_cv_func_lstat,[ +AC_TRY_LINK([$ac_includes_default], + [struct stat sb; lstat(".", &sb); (void) sb], + [ac_cv_func_lstat=yes], + [ac_cv_func_lstat=no]) + ]) +AC_MSG_RESULT($ac_cv_func_lstat ) +if test "$ac_cv_func_lstat" = yes; then + AC_DEFINE(HAVE_LSTAT,1,[Define to 1 if we have lstat]) +fi +])dnl +dnl --------------------------------------------------------------------------- +dnl CF_FUNC_SIGACTION version: 4 updated: 2022/12/02 19:55:38 +dnl ----------------- +dnl Check if we have the sigaction function and related structures. +AC_DEFUN([CF_FUNC_SIGACTION],[ +AC_CACHE_CHECK(for sigaction and structs,cf_cv_func_sigaction,[ +AC_TRY_LINK([ +#include <sys/types.h> +#include <signal.h>], + [struct sigaction act; + act.sa_handler = SIG_DFL; +#ifdef SA_RESTART + act.sa_flags = SA_RESTART; +#endif /* SA_RESTART */ + sigaction(1, &act, 0); + ], + [cf_cv_func_sigaction=yes], + [cf_cv_func_sigaction=no]) +]) +test "$cf_cv_func_sigaction" = yes && AC_DEFINE(HAVE_SIGACTION,1,[Define to 1 if we have sigaction]) +])dnl +dnl --------------------------------------------------------------------------- +dnl CF_FUNC_VASPRINTF version: 2 updated: 2019/12/31 10:27:03 +dnl ----------------- +dnl Check if vasprintf is available, and if it is (or can be) declared. +AC_DEFUN([CF_FUNC_VASPRINTF],[ +AC_REQUIRE([CF_GNU_SOURCE]) +AC_CHECK_FUNC(vasprintf,[ + AC_DEFINE(HAVE_VASPRINTF,1,[Define to 1 if we have vasprintf]) + AC_MSG_CHECKING(if vasprintf requires workaround) + AC_TRY_COMPILE([ + #include <stdio.h> + ],[ + void *p = (void *)vasprintf; return (p != 0) + ],[ + AC_MSG_RESULT(no) + ],[ + AC_TRY_COMPILE([ + #ifndef _GNU_SOURCE + #define _GNU_SOURCE 1 + #include <stdio.h> + #endif + ],[ + void *p = (void *)vasprintf; return (p != 0) + ],[ + AC_MSG_RESULT(yes) + CF_APPEND_TEXT(CPPFLAGS,-D_GNU_SOURCE) + ],[ + AC_MSG_RESULT(unknown) + ]) + ]) +]) +])dnl +dnl --------------------------------------------------------------------------- +dnl CF_FUNC_WAIT version: 4 updated: 2021/01/02 09:31:20 +dnl ------------ +dnl Test for the presence of <sys/wait.h>, 'union wait', arg-type of 'wait()' +dnl and/or 'waitpid()'. +dnl +dnl Note that we cannot simply grep for 'union wait' in the wait.h file, +dnl because some Posix systems turn this on only when a BSD variable is +dnl defined. +dnl +dnl I don't use AC_HEADER_SYS_WAIT, because it defines HAVE_SYS_WAIT_H, which +dnl would conflict with an attempt to test that header directly. +dnl +AC_DEFUN([CF_FUNC_WAIT], +[ +AC_REQUIRE([CF_UNION_WAIT]) +if test "$cf_cv_type_unionwait" = yes; then + + AC_MSG_CHECKING(if union wait can be used as wait-arg) + AC_CACHE_VAL(cf_cv_arg_union_wait,[ + AC_TRY_COMPILE($cf_wait_headers, + [union wait x; wait(&x)], + [cf_cv_arg_union_wait=yes], + [cf_cv_arg_union_wait=no]) + ]) + AC_MSG_RESULT($cf_cv_arg_union_wait) + test "$cf_cv_arg_union_wait" = yes && AC_DEFINE(WAIT_USES_UNION,1,[Define to 1 if wait() uses a union parameter]) + + AC_MSG_CHECKING(if union wait can be used as waitpid-arg) + AC_CACHE_VAL(cf_cv_arg_union_waitpid,[ + AC_TRY_COMPILE($cf_wait_headers, + [union wait x; waitpid(0, &x, 0)], + [cf_cv_arg_union_waitpid=yes], + [cf_cv_arg_union_waitpid=no]) + ]) + AC_MSG_RESULT($cf_cv_arg_union_waitpid) + test "$cf_cv_arg_union_waitpid" = yes && AC_DEFINE(WAITPID_USES_UNION,1,[Define to 1 if waitpid() uses a union parameter]) + +fi +])dnl +dnl --------------------------------------------------------------------------- +dnl CF_GCC_ATTRIBUTES version: 24 updated: 2021/03/20 12:00:25 +dnl ----------------- +dnl Test for availability of useful gcc __attribute__ directives to quiet +dnl compiler warnings. Though useful, not all are supported -- and contrary +dnl to documentation, unrecognized directives cause older compilers to barf. +AC_DEFUN([CF_GCC_ATTRIBUTES], +[AC_REQUIRE([AC_PROG_FGREP])dnl +AC_REQUIRE([CF_C11_NORETURN])dnl + +if test "$GCC" = yes || test "$GXX" = yes +then +cat > conftest.i <<EOF +#ifndef GCC_PRINTF +#define GCC_PRINTF 0 +#endif +#ifndef GCC_SCANF +#define GCC_SCANF 0 +#endif +#ifndef GCC_NORETURN +#define GCC_NORETURN /* nothing */ +#endif +#ifndef GCC_UNUSED +#define GCC_UNUSED /* nothing */ +#endif +EOF +if test "$GCC" = yes +then + AC_CHECKING([for $CC __attribute__ directives]) +cat > "conftest.$ac_ext" <<EOF +#line __oline__ "${as_me:-configure}" +#include <stdio.h> +#include "confdefs.h" +#include "conftest.h" +#include "conftest.i" +#if GCC_PRINTF +#define GCC_PRINTFLIKE(fmt,var) __attribute__((format(printf,fmt,var))) +#else +#define GCC_PRINTFLIKE(fmt,var) /*nothing*/ +#endif +#if GCC_SCANF +#define GCC_SCANFLIKE(fmt,var) __attribute__((format(scanf,fmt,var))) +#else +#define GCC_SCANFLIKE(fmt,var) /*nothing*/ +#endif +extern void wow(char *,...) GCC_SCANFLIKE(1,2); +extern GCC_NORETURN void oops(char *,...) GCC_PRINTFLIKE(1,2); +extern GCC_NORETURN void foo(void); +int main(int argc GCC_UNUSED, char *argv[[]] GCC_UNUSED) { (void)argc; (void)argv; return 0; } +EOF + cf_printf_attribute=no + cf_scanf_attribute=no + for cf_attribute in scanf printf unused noreturn + do + CF_UPPER(cf_ATTRIBUTE,$cf_attribute) + cf_directive="__attribute__(($cf_attribute))" + echo "checking for $CC $cf_directive" 1>&AC_FD_CC + + case "$cf_attribute" in + (printf) + cf_printf_attribute=yes + cat >conftest.h <<EOF +#define GCC_$cf_ATTRIBUTE 1 +EOF + ;; + (scanf) + cf_scanf_attribute=yes + cat >conftest.h <<EOF +#define GCC_$cf_ATTRIBUTE 1 +EOF + ;; + (*) + cat >conftest.h <<EOF +#define GCC_$cf_ATTRIBUTE $cf_directive +EOF + ;; + esac + + if AC_TRY_EVAL(ac_compile); then + test -n "$verbose" && AC_MSG_RESULT(... $cf_attribute) + cat conftest.h >>confdefs.h + case "$cf_attribute" in + (noreturn) + AC_DEFINE_UNQUOTED(GCC_NORETURN,$cf_directive,[Define to noreturn-attribute for gcc]) + ;; + (printf) + cf_value='/* nothing */' + if test "$cf_printf_attribute" != no ; then + cf_value='__attribute__((format(printf,fmt,var)))' + AC_DEFINE(GCC_PRINTF,1,[Define to 1 if the compiler supports gcc-like printf attribute.]) + fi + AC_DEFINE_UNQUOTED(GCC_PRINTFLIKE(fmt,var),$cf_value,[Define to printf-attribute for gcc]) + ;; + (scanf) + cf_value='/* nothing */' + if test "$cf_scanf_attribute" != no ; then + cf_value='__attribute__((format(scanf,fmt,var)))' + AC_DEFINE(GCC_SCANF,1,[Define to 1 if the compiler supports gcc-like scanf attribute.]) + fi + AC_DEFINE_UNQUOTED(GCC_SCANFLIKE(fmt,var),$cf_value,[Define to sscanf-attribute for gcc]) + ;; + (unused) + AC_DEFINE_UNQUOTED(GCC_UNUSED,$cf_directive,[Define to unused-attribute for gcc]) + ;; + esac + fi + done +else + ${FGREP-fgrep} define conftest.i >>confdefs.h +fi +rm -rf ./conftest* +fi +])dnl +dnl --------------------------------------------------------------------------- +dnl CF_GCC_VERSION version: 9 updated: 2023/03/05 14:30:13 +dnl -------------- +dnl Find version of gcc, and (because icc/clang pretend to be gcc without being +dnl compatible), attempt to determine if icc/clang is actually used. +AC_DEFUN([CF_GCC_VERSION],[ +AC_REQUIRE([AC_PROG_CC]) +GCC_VERSION=none +if test "$GCC" = yes ; then + AC_MSG_CHECKING(version of $CC) + GCC_VERSION="`${CC} --version 2>/dev/null | sed -e '2,$d' -e 's/^[[^(]]*([[^)]][[^)]]*) //' -e 's/^[[^0-9.]]*//' -e 's/[[^0-9.]].*//'`" + test -z "$GCC_VERSION" && GCC_VERSION=unknown + AC_MSG_RESULT($GCC_VERSION) +fi +CF_INTEL_COMPILER(GCC,INTEL_COMPILER,CFLAGS) +CF_CLANG_COMPILER(GCC,CLANG_COMPILER,CFLAGS) +])dnl +dnl --------------------------------------------------------------------------- +dnl CF_GCC_WARNINGS version: 41 updated: 2021/01/01 16:53:59 +dnl --------------- +dnl Check if the compiler supports useful warning options. There's a few that +dnl we don't use, simply because they're too noisy: +dnl +dnl -Wconversion (useful in older versions of gcc, but not in gcc 2.7.x) +dnl -Winline (usually not worthwhile) +dnl -Wredundant-decls (system headers make this too noisy) +dnl -Wtraditional (combines too many unrelated messages, only a few useful) +dnl -Wwrite-strings (too noisy, but should review occasionally). This +dnl is enabled for ncurses using "--enable-const". +dnl -pedantic +dnl +dnl Parameter: +dnl $1 is an optional list of gcc warning flags that a particular +dnl application might want to use, e.g., "no-unused" for +dnl -Wno-unused +dnl Special: +dnl If $with_ext_const is "yes", add a check for -Wwrite-strings +dnl +AC_DEFUN([CF_GCC_WARNINGS], +[ +AC_REQUIRE([CF_GCC_VERSION]) +if test "x$have_x" = xyes; then CF_CONST_X_STRING fi +cat > "conftest.$ac_ext" <<EOF +#line __oline__ "${as_me:-configure}" +int main(int argc, char *argv[[]]) { return (argv[[argc-1]] == 0) ; } +EOF +if test "$INTEL_COMPILER" = yes +then +# The "-wdXXX" options suppress warnings: +# remark #1419: external declaration in primary source file +# remark #1683: explicit conversion of a 64-bit integral type to a smaller integral type (potential portability problem) +# remark #1684: conversion from pointer to same-sized integral type (potential portability problem) +# remark #193: zero used for undefined preprocessing identifier +# remark #593: variable "curs_sb_left_arrow" was set but never used +# remark #810: conversion from "int" to "Dimension={unsigned short}" may lose significant bits +# remark #869: parameter "tw" was never referenced +# remark #981: operands are evaluated in unspecified order +# warning #279: controlling expression is constant + + AC_CHECKING([for $CC warning options]) + cf_save_CFLAGS="$CFLAGS" + EXTRA_CFLAGS="$EXTRA_CFLAGS -Wall" + for cf_opt in \ + wd1419 \ + wd1683 \ + wd1684 \ + wd193 \ + wd593 \ + wd279 \ + wd810 \ + wd869 \ + wd981 + do + CFLAGS="$cf_save_CFLAGS $EXTRA_CFLAGS -$cf_opt" + if AC_TRY_EVAL(ac_compile); then + test -n "$verbose" && AC_MSG_RESULT(... -$cf_opt) + EXTRA_CFLAGS="$EXTRA_CFLAGS -$cf_opt" + fi + done + CFLAGS="$cf_save_CFLAGS" +elif test "$GCC" = yes && test "$GCC_VERSION" != "unknown" +then + AC_CHECKING([for $CC warning options]) + cf_save_CFLAGS="$CFLAGS" + cf_warn_CONST="" + test "$with_ext_const" = yes && cf_warn_CONST="Wwrite-strings" + cf_gcc_warnings="Wignored-qualifiers Wlogical-op Wvarargs" + test "x$CLANG_COMPILER" = xyes && cf_gcc_warnings= + for cf_opt in W Wall \ + Wbad-function-cast \ + Wcast-align \ + Wcast-qual \ + Wdeclaration-after-statement \ + Wextra \ + Winline \ + Wmissing-declarations \ + Wmissing-prototypes \ + Wnested-externs \ + Wpointer-arith \ + Wshadow \ + Wstrict-prototypes \ + Wundef Wno-inline $cf_gcc_warnings $cf_warn_CONST $1 + do + CFLAGS="$cf_save_CFLAGS $EXTRA_CFLAGS -$cf_opt" + if AC_TRY_EVAL(ac_compile); then + test -n "$verbose" && AC_MSG_RESULT(... -$cf_opt) + case "$cf_opt" in + (Winline) + case "$GCC_VERSION" in + ([[34]].*) + CF_VERBOSE(feature is broken in gcc $GCC_VERSION) + continue;; + esac + ;; + (Wpointer-arith) + case "$GCC_VERSION" in + ([[12]].*) + CF_VERBOSE(feature is broken in gcc $GCC_VERSION) + continue;; + esac + ;; + esac + EXTRA_CFLAGS="$EXTRA_CFLAGS -$cf_opt" + fi + done + CFLAGS="$cf_save_CFLAGS" +fi +rm -rf ./conftest* + +AC_SUBST(EXTRA_CFLAGS) +])dnl +dnl --------------------------------------------------------------------------- +dnl CF_GNUTLS version: 27 updated: 2021/01/02 09:31:20 +dnl --------- +dnl Check for gnutls library (TLS "is" SSL) +dnl $1 = the [optional] directory in which the library may be found +dnl $2 = the [optional] stub file to provide OpenSSL compatibility +AC_DEFUN([CF_GNUTLS],[ + AC_REQUIRE([CF_PKG_CONFIG]) + cf_cv_have_gnutls=no + cf_cv_pkg_config_ssl=no + + CF_ADD_OPTIONAL_PATH($1, [ssl library]) + + cf_pkg_gnutls=none + if test "x$PKG_CONFIG" != xnone; then + cf_pkg_gnutls=ifelse([$2],,gnutls-openssl,gnutls) + case "$1" in + (no) + ;; + (yes) # if no explicit directory given, try pkg-config + CF_VERBOSE(checking pkg-config for $cf_pkg_gnutls) + if "$PKG_CONFIG" --exists $cf_pkg_gnutls ; then + CF_VERBOSE(... found $cf_pkg_gnutls in pkg-config) + cf_cv_have_gnutls=yes + cf_cv_pkg_config_ssl=yes + + cf_cflags_ssl=`$PKG_CONFIG --cflags $cf_pkg_gnutls` + cf_libs_ssl=`$PKG_CONFIG --libs $cf_pkg_gnutls` + + if test -n "$cf_cflags_ssl" ; then + case "$cf_cflags_ssl" in + (*-I*) + cf_cv_header_path_gnutls=`echo "$cf_cflags_ssl" | sed -e 's/^.*-I//' -e 's/ .*//'` + ;; + (*) + cf_cv_header_path_gnutls=/usr/include + ;; + esac + if test -d "$cf_cv_header_path_gnutls/gnutls" ; then + cf_cv_header_path_gnutls=$cf_cv_header_path_gnutls/gnutls + fi + CF_ADD_CFLAGS($cf_cflags_ssl) + fi + + if test -n "$cf_libs_ssl" ; then + case "x$cf_libs_ssl" in + (*-L*) + cf_cv_library_path_gnutls=`echo "$cf_libs_ssl" | sed -e 's/^.*-L//' -e 's/ .*//'` + ;; + (*) + cf_cv_library_path_gnutls=/usr/lib + ;; + esac + CF_VERBOSE(adding $cf_libs_ssl to LIBS) + CF_ADD_LIBS($cf_libs_ssl) + fi + else + CF_VERBOSE(... did not find $cf_pkg_gnutls in pkg-config) + cf_pkg_gnutls=none + fi + ;; + esac + fi + + ifelse([$2],, + [AC_DEFINE(USE_GNUTLS_INCL,1,[Define to 1 if we should include gnutls headers])], + [AC_DEFINE(USE_GNUTLS_FUNCS,1,[Define to 1 if we should use gnutls functions])]) + + if test "$cf_cv_have_gnutls" = no ; then + cf_gnutls_CPPFLAGS=$CPPFLAGS + + CF_FIND_LINKAGE(CF__SSL_HEAD, + CF__SSL_BODY, + gnutls, + cf_cv_have_gnutls=yes, + cf_cv_have_gnutls=no, + , + ifelse([$2],,[-lgnutls-openssl])) + + CPPFLAGS=$cf_gnutls_CPPFLAGS + fi + + if test "$cf_cv_have_gnutls" = yes ; then + if test -n "$cf_cv_header_path_gnutls" ; then + AC_DEFINE(USE_SSL) + case "$cf_cv_header_path_gnutls" in + (/usr/include/gnutls) + ;; + (*) + CF_ADD_INCDIR($cf_cv_header_path_gnutls) + ;; + esac + fi + if test -n "$cf_cv_library_path_gnutls" ; then + CF_ADD_LIBDIR($cf_cv_library_path_gnutls) + fi + CF_ADD_LIBS(-lgnutls) + AC_CHECK_FUNCS(gnutls_protocol_set_priority) + AC_CHECK_FUNC(gnutls_rnd, + [AC_DEFINE(HAVE_GNUTLS_RND,1,[Define to 1 if we have gnutls_rnd])], + [CF_ADD_LIBS(-lgcrypt)]) + + ifelse([$2],, + [if test "$cf_pkg_gnutls" = none ; then + AC_CHECK_LIB(gnutls-openssl,SSL_connect, + [CF_ADD_LIBS(-lgnutls-openssl)], + [AC_CHECK_LIB(gnutls-extra,SSL_connect, + [CF_ADD_LIBS(-lgnutls-extra)], + [AC_MSG_ERROR(cannot find gnutls openssl functions)])]) + fi],[EXTRA_OBJS="$EXTRA_OBJS $2"]) + + CF_CHECK_SSL_X509 + fi +])dnl +dnl --------------------------------------------------------------------------- +dnl CF_GNU_SOURCE version: 10 updated: 2018/12/10 20:09:41 +dnl ------------- +dnl Check if we must define _GNU_SOURCE to get a reasonable value for +dnl _XOPEN_SOURCE, upon which many POSIX definitions depend. This is a defect +dnl (or misfeature) of glibc2, which breaks portability of many applications, +dnl since it is interwoven with GNU extensions. +dnl +dnl Well, yes we could work around it... +dnl +dnl Parameters: +dnl $1 is the nominal value for _XOPEN_SOURCE +AC_DEFUN([CF_GNU_SOURCE], +[ +cf_gnu_xopen_source=ifelse($1,,500,$1) + +AC_CACHE_CHECK(if this is the GNU C library,cf_cv_gnu_library,[ +AC_TRY_COMPILE([#include <sys/types.h>],[ + #if __GLIBC__ > 0 && __GLIBC_MINOR__ >= 0 + return 0; + #elif __NEWLIB__ > 0 && __NEWLIB_MINOR__ >= 0 + return 0; + #else + # error not GNU C library + #endif], + [cf_cv_gnu_library=yes], + [cf_cv_gnu_library=no]) +]) + +if test x$cf_cv_gnu_library = xyes; then + + # With glibc 2.19 (13 years after this check was begun), _DEFAULT_SOURCE + # was changed to help a little. newlib incorporated the change about 4 + # years later. + AC_CACHE_CHECK(if _DEFAULT_SOURCE can be used as a basis,cf_cv_gnu_library_219,[ + cf_save="$CPPFLAGS" + CF_APPEND_TEXT(CPPFLAGS,-D_DEFAULT_SOURCE) + AC_TRY_COMPILE([#include <sys/types.h>],[ + #if (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 19) || (__GLIBC__ > 2) + return 0; + #elif (__NEWLIB__ == 2 && __NEWLIB_MINOR__ >= 4) || (__GLIBC__ > 3) + return 0; + #else + # error GNU C library __GLIBC__.__GLIBC_MINOR__ is too old + #endif], + [cf_cv_gnu_library_219=yes], + [cf_cv_gnu_library_219=no]) + CPPFLAGS="$cf_save" + ]) + + if test "x$cf_cv_gnu_library_219" = xyes; then + cf_save="$CPPFLAGS" + AC_CACHE_CHECK(if _XOPEN_SOURCE=$cf_gnu_xopen_source works with _DEFAULT_SOURCE,cf_cv_gnu_dftsrc_219,[ + CF_ADD_CFLAGS(-D_DEFAULT_SOURCE -D_XOPEN_SOURCE=$cf_gnu_xopen_source) + AC_TRY_COMPILE([ + #include <limits.h> + #include <sys/types.h> + ],[ + #if (_XOPEN_SOURCE >= $cf_gnu_xopen_source) && (MB_LEN_MAX > 1) + return 0; + #else + # error GNU C library is too old + #endif], + [cf_cv_gnu_dftsrc_219=yes], + [cf_cv_gnu_dftsrc_219=no]) + ]) + test "x$cf_cv_gnu_dftsrc_219" = "xyes" || CPPFLAGS="$cf_save" + else + cf_cv_gnu_dftsrc_219=maybe + fi + + if test "x$cf_cv_gnu_dftsrc_219" != xyes; then + + AC_CACHE_CHECK(if we must define _GNU_SOURCE,cf_cv_gnu_source,[ + AC_TRY_COMPILE([#include <sys/types.h>],[ + #ifndef _XOPEN_SOURCE + #error expected _XOPEN_SOURCE to be defined + #endif], + [cf_cv_gnu_source=no], + [cf_save="$CPPFLAGS" + CF_ADD_CFLAGS(-D_GNU_SOURCE) + AC_TRY_COMPILE([#include <sys/types.h>],[ + #ifdef _XOPEN_SOURCE + #error expected _XOPEN_SOURCE to be undefined + #endif], + [cf_cv_gnu_source=no], + [cf_cv_gnu_source=yes]) + CPPFLAGS="$cf_save" + ]) + ]) + + if test "$cf_cv_gnu_source" = yes + then + AC_CACHE_CHECK(if we should also define _DEFAULT_SOURCE,cf_cv_default_source,[ + CF_APPEND_TEXT(CPPFLAGS,-D_GNU_SOURCE) + AC_TRY_COMPILE([#include <sys/types.h>],[ + #ifdef _DEFAULT_SOURCE + #error expected _DEFAULT_SOURCE to be undefined + #endif], + [cf_cv_default_source=no], + [cf_cv_default_source=yes]) + ]) + if test "$cf_cv_default_source" = yes + then + CF_APPEND_TEXT(CPPFLAGS,-D_DEFAULT_SOURCE) + fi + fi + fi + +fi +])dnl +dnl --------------------------------------------------------------------------- +dnl CF_HEADER_PATH version: 15 updated: 2021/01/01 13:31:04 +dnl -------------- +dnl Construct a search-list of directories for a nonstandard header-file +dnl +dnl Parameters +dnl $1 = the variable to return as result +dnl $2 = the package name +AC_DEFUN([CF_HEADER_PATH], +[ +$1= + +# collect the current set of include-directories from compiler flags +cf_header_path_list="" +if test -n "${CFLAGS}${CPPFLAGS}" ; then + for cf_header_path in $CPPFLAGS $CFLAGS + do + case "$cf_header_path" in + (-I*) + cf_header_path=`echo ".$cf_header_path" |sed -e 's/^...//' -e 's,/include$,,'` + CF_ADD_SUBDIR_PATH($1,$2,include,$cf_header_path,NONE) + cf_header_path_list="$cf_header_path_list [$]$1" + ;; + esac + done +fi + +# add the variations for the package we are looking for +CF_SUBDIR_PATH($1,$2,include) + +test "$includedir" != NONE && \ +test "$includedir" != "/usr/include" && \ +test -d "$includedir" && { + test -d "$includedir" && $1="[$]$1 $includedir" + test -d "$includedir/$2" && $1="[$]$1 $includedir/$2" +} + +test "$oldincludedir" != NONE && \ +test "$oldincludedir" != "/usr/include" && \ +test -d "$oldincludedir" && { + test -d "$oldincludedir" && $1="[$]$1 $oldincludedir" + test -d "$oldincludedir/$2" && $1="[$]$1 $oldincludedir/$2" +} + +$1="[$]$1 $cf_header_path_list" +])dnl +dnl --------------------------------------------------------------------------- +dnl CF_HELP_MESSAGE version: 4 updated: 2019/12/31 08:53:54 +dnl --------------- +dnl Insert text into the help-message, for readability, from AC_ARG_WITH. +AC_DEFUN([CF_HELP_MESSAGE], +[CF_ACVERSION_CHECK(2.53,[],[ +AC_DIVERT_HELP($1)])dnl +])dnl +dnl --------------------------------------------------------------------------- +dnl CF_INET_ADDR version: 7 updated: 2013/10/08 17:47:05 +dnl ------------ +dnl For Lynx, check if the libraries we have found give us inet_aton, or +dnl inet_addr. If not, try to find the latter function with -lbind or +dnl -lresolv, and put that on the end of the libraries, i.e., after the network +dnl libraries. +dnl +dnl FIXME: the inner cases will probably need work on the header files. +AC_DEFUN([CF_INET_ADDR],[ +AC_CACHE_CHECK(for inet_aton function,cf_cv_have_inet_aton,[ +AC_TRY_LINK(CF__INET_HEAD,[inet_aton(0, (struct in_addr *)0)], + [cf_cv_have_inet_aton=yes], + [cf_cv_have_inet_aton=no])]) +if test "$cf_cv_have_inet_aton" = yes ; then + AC_DEFINE(HAVE_INET_ATON,1,[Define to 1 if we have inet_aton]) +else + AC_CACHE_CHECK(for inet_addr function,cf_cv_have_inet_addr,[ + AC_TRY_LINK(CF__INET_HEAD,[inet_addr(0)], + [cf_cv_have_inet_addr=yes], + [cf_cv_have_inet_addr=no])]) + if test "$cf_cv_have_inet_addr" = no ; then + AC_CACHE_CHECK(for library with inet_addr,cf_cv_lib_inet_addr,[ + cf_save_LIBS="$LIBS" + for cf_inetlib in -lbind -lresolv + do + LIBS="$cf_save_LIBS $cf_inetlib" + AC_TRY_LINK([#include <sys/types.h> +#include <sys/socket.h> +#include <netinet/in.h> +#include <arpa/inet.h> + ],[inet_addr(0)], + [cf_cv_lib_inet_addr=$cf_inetlib], + [cf_cv_lib_inet_addr=no]) + LIBS="$cf_save_LIBS" + test "$cf_cv_lib_inet_addr" != no && break + done + ]) + if test "$cf_cv_lib_inet_addr" != no ; then + CF_ADD_LIBS($cf_cv_lib_inet_addr) + else + AC_MSG_WARN(Unable to find library for inet_addr function) + fi + fi +fi +])dnl +dnl --------------------------------------------------------------------------- +dnl CF_INTEL_COMPILER version: 9 updated: 2023/02/18 17:41:25 +dnl ----------------- +dnl Check if the given compiler is really the Intel compiler for Linux. It +dnl tries to imitate gcc, but does not return an error when it finds a mismatch +dnl between prototypes, e.g., as exercised by CF_MISSING_CHECK. +dnl +dnl This macro should be run "soon" after AC_PROG_CC or AC_PROG_CPLUSPLUS, to +dnl ensure that it is not mistaken for gcc/g++. It is normally invoked from +dnl the wrappers for gcc and g++ warnings. +dnl +dnl $1 = GCC (default) or GXX +dnl $2 = INTEL_COMPILER (default) or INTEL_CPLUSPLUS +dnl $3 = CFLAGS (default) or CXXFLAGS +AC_DEFUN([CF_INTEL_COMPILER],[ +AC_REQUIRE([AC_CANONICAL_HOST]) +ifelse([$2],,INTEL_COMPILER,[$2])=no + +if test "$ifelse([$1],,[$1],GCC)" = yes ; then + case "$host_os" in + (linux*|gnu*) + AC_MSG_CHECKING(if this is really Intel ifelse([$1],GXX,C++,C) compiler) + cf_save_CFLAGS="$ifelse([$3],,CFLAGS,[$3])" + ifelse([$3],,CFLAGS,[$3])="$ifelse([$3],,CFLAGS,[$3]) -no-gcc" + AC_TRY_COMPILE([],[ +#ifdef __INTEL_COMPILER +#else +#error __INTEL_COMPILER is not defined +#endif +],[ifelse([$2],,INTEL_COMPILER,[$2])=yes +cf_save_CFLAGS="$cf_save_CFLAGS -we147" +],[]) + ifelse([$3],,CFLAGS,[$3])="$cf_save_CFLAGS" + AC_MSG_RESULT($ifelse([$2],,INTEL_COMPILER,[$2])) + ;; + esac +fi +])dnl +dnl --------------------------------------------------------------------------- +dnl CF_LARGEFILE version: 13 updated: 2023/12/03 19:09:59 +dnl ------------ +dnl Add checks for large file support. +AC_DEFUN([CF_LARGEFILE],[ +ifdef([AC_FUNC_FSEEKO],[ + AC_SYS_LARGEFILE + if test "$enable_largefile" != no ; then + AC_FUNC_FSEEKO + + # Normally we would collect these definitions in the config.h, + # but (like _XOPEN_SOURCE), some environments rely on having these + # defined before any of the system headers are included. Another + # case comes up with C++, e.g., on AIX the compiler compiles the + # header files by themselves before looking at the body files it is + # told to compile. For ncurses, those header files do not include + # the config.h + if test "$ac_cv_sys_large_files" != no + then + CF_APPEND_TEXT(CPPFLAGS,-D_LARGE_FILES) + fi + if test "$ac_cv_sys_largefile_source" != no + then + CF_APPEND_TEXT(CPPFLAGS,-D_LARGEFILE_SOURCE) + fi + if test "$ac_cv_sys_file_offset_bits" != no + then + CF_APPEND_TEXT(CPPFLAGS,-D_FILE_OFFSET_BITS=$ac_cv_sys_file_offset_bits) + fi + + AC_CACHE_CHECK(whether to use struct dirent64, cf_cv_struct_dirent64,[ + AC_TRY_COMPILE([ +#pragma GCC diagnostic error "-Wincompatible-pointer-types" +#include <sys/types.h> +#include <dirent.h> + +#ifndef __REDIRECT +/* if transitional largefile support is setup, this is true */ +extern struct dirent64 * readdir(DIR *); +#endif + ],[ + DIR *dp = opendir("."); + struct dirent64 *x = readdir(dp); + struct dirent *y = readdir(dp); + int z = x - y; + (void)z; + ], + [cf_cv_struct_dirent64=yes], + [cf_cv_struct_dirent64=no]) + ]) + test "$cf_cv_struct_dirent64" = yes && AC_DEFINE(HAVE_STRUCT_DIRENT64,1,[Define to 1 if we have struct dirent64]) + fi +]) +]) +dnl --------------------------------------------------------------------------- +dnl CF_LASTLOG version: 8 updated: 2023/12/01 17:22:50 +dnl ---------- +dnl Check for header defining _PATH_LASTLOG, or failing that, see if the lastlog +dnl file exists. +AC_DEFUN([CF_LASTLOG], +[ +AC_CHECK_HEADERS(lastlog.h paths.h) +AC_CACHE_CHECK(for lastlog path,cf_cv_path_lastlog,[ +AC_TRY_COMPILE([ +#include <sys/types.h> +#ifdef HAVE_LASTLOG_H +#include <lastlog.h> +#else +#ifdef HAVE_PATHS_H +#include <paths.h> +#endif +#endif],[static char path[] = _PATH_LASTLOG; (void)path], + [cf_cv_path_lastlog="_PATH_LASTLOG"], + [if test -f /usr/adm/lastlog ; then + cf_cv_path_lastlog=/usr/adm/lastlog + else + cf_cv_path_lastlog=no + fi]) +]) +test "$cf_cv_path_lastlog" != no && AC_DEFINE(USE_LASTLOG,1,[Define to 1 if we can define lastlog pathname]) +])dnl +dnl --------------------------------------------------------------------------- +dnl CF_LD_RPATH_OPT version: 9 updated: 2021/01/01 13:31:04 +dnl --------------- +dnl For the given system and compiler, find the compiler flags to pass to the +dnl loader to use the "rpath" feature. +AC_DEFUN([CF_LD_RPATH_OPT], +[ +AC_REQUIRE([CF_CHECK_CACHE]) + +LD_RPATH_OPT= +if test "x$cf_cv_enable_rpath" != xno +then + AC_MSG_CHECKING(for an rpath option) + case "$cf_cv_system_name" in + (irix*) + if test "$GCC" = yes; then + LD_RPATH_OPT="-Wl,-rpath," + else + LD_RPATH_OPT="-rpath " + fi + ;; + (linux*|gnu*|k*bsd*-gnu|freebsd*) + LD_RPATH_OPT="-Wl,-rpath," + ;; + (openbsd[[2-9]].*|mirbsd*) + LD_RPATH_OPT="-Wl,-rpath," + ;; + (dragonfly*) + LD_RPATH_OPT="-rpath " + ;; + (netbsd*) + LD_RPATH_OPT="-Wl,-rpath," + ;; + (osf*|mls+*) + LD_RPATH_OPT="-rpath " + ;; + (solaris2*) + LD_RPATH_OPT="-R" + ;; + (*) + ;; + esac + AC_MSG_RESULT($LD_RPATH_OPT) + + case "x$LD_RPATH_OPT" in + (x-R*) + AC_MSG_CHECKING(if we need a space after rpath option) + cf_save_LIBS="$LIBS" + CF_ADD_LIBS(${LD_RPATH_OPT}$libdir) + AC_TRY_LINK(, , cf_rpath_space=no, cf_rpath_space=yes) + LIBS="$cf_save_LIBS" + AC_MSG_RESULT($cf_rpath_space) + test "$cf_rpath_space" = yes && LD_RPATH_OPT="$LD_RPATH_OPT " + ;; + esac +fi +])dnl +dnl --------------------------------------------------------------------------- +dnl CF_LIBRARY_PATH version: 11 updated: 2021/01/01 13:31:04 +dnl --------------- +dnl Construct a search-list of directories for a nonstandard library-file +dnl +dnl Parameters +dnl $1 = the variable to return as result +dnl $2 = the package name +AC_DEFUN([CF_LIBRARY_PATH], +[ +$1= +cf_library_path_list="" +if test -n "${LDFLAGS}${LIBS}" ; then + for cf_library_path in $LDFLAGS $LIBS + do + case "$cf_library_path" in + (-L*) + cf_library_path=`echo ".$cf_library_path" |sed -e 's/^...//' -e 's,/lib$,,'` + CF_ADD_SUBDIR_PATH($1,$2,lib,$cf_library_path,NONE) + cf_library_path_list="$cf_library_path_list [$]$1" + ;; + esac + done +fi + +CF_SUBDIR_PATH($1,$2,lib) + +$1="$cf_library_path_list [$]$1" +])dnl +dnl --------------------------------------------------------------------------- +dnl CF_LOCALE version: 7 updated: 2023/01/11 04:05:23 +dnl --------- +dnl Check if we have setlocale() and its header, <locale.h> +dnl The optional parameter $1 tells what to do if we do have locale support. +AC_DEFUN([CF_LOCALE], +[ +AC_MSG_CHECKING(for setlocale()) +AC_CACHE_VAL(cf_cv_locale,[ +AC_TRY_LINK([ +$ac_includes_default +#include <locale.h>], + [setlocale(LC_ALL, "")], + [cf_cv_locale=yes], + [cf_cv_locale=no]) + ]) +AC_MSG_RESULT($cf_cv_locale) +test "$cf_cv_locale" = yes && { ifelse($1,,AC_DEFINE(LOCALE,1,[Define to 1 if we have locale support]),[$1]) } +])dnl +dnl --------------------------------------------------------------------------- +dnl CF_MAKEFLAGS version: 21 updated: 2021/09/04 06:47:34 +dnl ------------ +dnl Some 'make' programs support ${MAKEFLAGS}, some ${MFLAGS}, to pass 'make' +dnl options to lower-levels. It is very useful for "make -n" -- if we have it. +dnl (GNU 'make' does both, something POSIX 'make', which happens to make the +dnl ${MAKEFLAGS} variable incompatible because it adds the assignments :-) +AC_DEFUN([CF_MAKEFLAGS], +[AC_REQUIRE([AC_PROG_FGREP])dnl + +AC_CACHE_CHECK(for makeflags variable, cf_cv_makeflags,[ + cf_cv_makeflags='' + for cf_option in '-${MAKEFLAGS}' '${MFLAGS}' + do + cat >cf_makeflags.tmp <<CF_EOF +SHELL = $SHELL +all : + @ echo '.$cf_option' +CF_EOF + cf_result=`${MAKE:-make} -k -f cf_makeflags.tmp 2>/dev/null | ${FGREP-fgrep} -v "ing directory" | sed -e 's,[[ ]]*$,,'` + case "$cf_result" in + (.*k|.*kw) + cf_result="`${MAKE:-make} -k -f cf_makeflags.tmp CC=cc 2>/dev/null`" + case "$cf_result" in + (.*CC=*) cf_cv_makeflags= + ;; + (*) cf_cv_makeflags=$cf_option + ;; + esac + break + ;; + (.-) + ;; + (*) + CF_MSG_LOG(given option \"$cf_option\", no match \"$cf_result\") + ;; + esac + done + rm -f cf_makeflags.tmp +]) + +AC_SUBST(cf_cv_makeflags) +])dnl +dnl --------------------------------------------------------------------------- +dnl CF_MAKE_PHONY version: 3 updated: 2021/01/08 16:08:21 +dnl ------------- +dnl Check if the make-program handles a ".PHONY" target, e.g,. a target which +dnl acts as a placeholder. +dnl +dnl The ".PHONY" feature was proposed in 2011 here +dnl https://www.austingroupbugs.net/view.php?id=523 +dnl and is scheduled for release in P1003.1 Issue 8 (late 2022). +dnl +dnl This is not supported by SVr4 make (or SunOS 4, 4.3SD, etc), but works with +dnl a few others (i.e., GNU make and the non-POSIX "BSD" make): +dnl +dnl + This is a GNU make feature (since April 1988, but in turn from binutils, +dnl date unspecified). +dnl +dnl + It was adopted in NetBSD make in June 1995. +dnl +dnl + The other BSD make programs are derived from the NetBSD make (and for +dnl that reason are not actually different "implementations"). +dnl +dnl + Some features of NetBSD make were actually adapted from pmake, which +dnl began as a modified GNU make starting in 1993. +dnl +dnl + Version 3.8 of the dmake program in January 1992 also implemented this +dnl GNU make extension, but is less well known than the BSD make. +AC_DEFUN([CF_MAKE_PHONY],[ +AC_CACHE_CHECK(for \".PHONY\" make-support, cf_cv_make_PHONY,[ + rm -rf conftest* + ( + mkdir conftest || exit 1 + cd conftest + cat >makefile <<'CF_EOF' +.PHONY: always +DATA=0 +always: always.out + @echo "** making [$]@ [$](DATA)" +once: once.out + @echo "** making [$]@ [$](DATA)" +always.out: + @echo "** making [$]@ [$](DATA)" + echo [$](DATA) > [$]@ +once.out: + @echo "** making [$]@ [$](DATA)" + echo [$](DATA) > [$]@ +CF_EOF + for cf_data in 1 2 3 + do + ${MAKE:-make} always DATA=$cf_data + ${MAKE:-make} once DATA=$cf_data + ${MAKE:-make} -t always once + if test -f always ; then + echo "no (case 1)" > ../conftest.tmp + elif test ! -f always.out ; then + echo "no (case 2)" > ../conftest.tmp + elif test ! -f once.out ; then + echo "no (case 3)" > ../conftest.tmp + elif ! cmp -s always.out once.out ; then + echo "no (case 4)" > ../conftest.tmp + diff always.out once.out + else + cf_check="`cat always.out`" + if test "x$cf_check" != "x$cf_data" ; then + echo "no (case 5)" > ../conftest.tmp + else + echo yes > ../conftest.tmp + rm -f ./*.out + continue + fi + fi + break + done + ) >&AC_FD_CC 2>&1 + cf_cv_make_PHONY="`cat conftest.tmp`" + rm -rf conftest* +]) +MAKE_NO_PHONY="#" +MAKE_PHONY="#" +test "x$cf_cv_make_PHONY" = xyes && MAKE_PHONY= +test "x$cf_cv_make_PHONY" != xyes && MAKE_NO_PHONY= +AC_SUBST(MAKE_NO_PHONY) +AC_SUBST(MAKE_PHONY) +])dnl +dnl --------------------------------------------------------------------------- +dnl CF_MAKE_TAGS version: 6 updated: 2010/10/23 15:52:32 +dnl ------------ +dnl Generate tags/TAGS targets for makefiles. Do not generate TAGS if we have +dnl a monocase filesystem. +AC_DEFUN([CF_MAKE_TAGS],[ +AC_REQUIRE([CF_MIXEDCASE_FILENAMES]) + +AC_CHECK_PROGS(CTAGS, exctags ctags) +AC_CHECK_PROGS(ETAGS, exetags etags) + +AC_CHECK_PROG(MAKE_LOWER_TAGS, ${CTAGS:-ctags}, yes, no) + +if test "$cf_cv_mixedcase" = yes ; then + AC_CHECK_PROG(MAKE_UPPER_TAGS, ${ETAGS:-etags}, yes, no) +else + MAKE_UPPER_TAGS=no +fi + +if test "$MAKE_UPPER_TAGS" = yes ; then + MAKE_UPPER_TAGS= +else + MAKE_UPPER_TAGS="#" +fi + +if test "$MAKE_LOWER_TAGS" = yes ; then + MAKE_LOWER_TAGS= +else + MAKE_LOWER_TAGS="#" +fi + +AC_SUBST(CTAGS) +AC_SUBST(ETAGS) + +AC_SUBST(MAKE_UPPER_TAGS) +AC_SUBST(MAKE_LOWER_TAGS) +])dnl +dnl --------------------------------------------------------------------------- +dnl CF_MATH_LIB version: 11 updated: 2022/07/27 19:01:48 +dnl ----------- +dnl Checks for libraries. At least one UNIX system, Apple Macintosh +dnl Rhapsody 5.5, does not have -lm. We cannot use the simpler +dnl AC_CHECK_LIB(m,sin), because that fails for C++. +AC_DEFUN([CF_MATH_LIB], +[ +AC_CACHE_CHECK(if -lm needed for math functions, + cf_cv_need_libm,[ + AC_TRY_LINK([ + #include <stdio.h> + #include <stdlib.h> + #include <math.h> + ], + [double x = rand(); printf("result = %g\\n", ]ifelse([$2],,sin(x),$2)[)], + [cf_cv_need_libm=no], + [cf_cv_need_libm=yes])]) + +if test "$cf_cv_need_libm" = yes +then + + cf_save_LIBS="$LIBS" + LIBS="$LIBS -lm" + AC_CACHE_CHECK(if -lm is available for math functions, + cf_cv_have_libm,[ + AC_TRY_LINK([ + #include <stdio.h> + #include <stdlib.h> + #include <math.h> + ], + [double x = rand(); printf("result = %g\\n", ]ifelse([$2],,sin(x),$2)[)], + [cf_cv_have_libm=yes], + [cf_cv_have_libm=no])]) + LIBS="$cf_save_LIBS" + + if test "$cf_cv_have_libm" = yes + then + ifelse($1,,[CF_ADD_LIB(m)],[$1=-lm]) + fi +else + cf_cv_have_libm=yes +fi + +if test "$cf_cv_have_libm" = yes +then + AC_DEFINE(HAVE_MATH_FUNCS,1,[Define to 1 if math functions are available]) +fi +]) +dnl --------------------------------------------------------------------------- +dnl CF_MERGE_EXTRA_CFLAGS version: 2 updated: 2021/01/02 09:31:20 +dnl --------------------- +dnl CF_FIX_WARNINGS moves problematic flags into EXTRA_CFLAGS, but some scripts +dnl may depend on being able to override that variable at build-time. Move it +dnl all back. +define([CF_MERGE_EXTRA_CFLAGS],[ +if test "$GCC" = yes || test "$GXX" = yes +then + CF_APPEND_TEXT(CFLAGS,$EXTRA_CFLAGS) + EXTRA_CFLAGS= +fi +]) +dnl --------------------------------------------------------------------------- +dnl CF_MIXEDCASE_FILENAMES version: 9 updated: 2021/01/01 16:53:59 +dnl ---------------------- +dnl Check if the file-system supports mixed-case filenames. If we're able to +dnl create a lowercase name and see it as uppercase, it doesn't support that. +AC_DEFUN([CF_MIXEDCASE_FILENAMES], +[ +AC_CACHE_CHECK(if filesystem supports mixed-case filenames,cf_cv_mixedcase,[ +if test "$cross_compiling" = yes ; then + case "$target_alias" in + (*-os2-emx*|*-msdosdjgpp*|*-cygwin*|*-msys*|*-mingw*|*-uwin*|darwin*) + cf_cv_mixedcase=no + ;; + (*) + cf_cv_mixedcase=yes + ;; + esac +else + rm -f conftest CONFTEST + echo test >conftest + if test -f CONFTEST ; then + cf_cv_mixedcase=no + else + cf_cv_mixedcase=yes + fi + rm -f conftest CONFTEST +fi +]) +test "$cf_cv_mixedcase" = yes && AC_DEFINE(MIXEDCASE_FILENAMES,1,[Define to 1 if filesystem supports mixed-case filenames.]) +])dnl +dnl --------------------------------------------------------------------------- +dnl CF_MSG_LOG version: 5 updated: 2010/10/23 15:52:32 +dnl ---------- +dnl Write a debug message to config.log, along with the line number in the +dnl configure script. +AC_DEFUN([CF_MSG_LOG],[ +echo "${as_me:-configure}:__oline__: testing $* ..." 1>&AC_FD_CC +])dnl +dnl --------------------------------------------------------------------------- +dnl CF_NCURSES_BROKEN version: 10 updated: 2024/01/07 06:54:12 +dnl ----------------- +dnl Check for pre-1.9.9g ncurses (among other problems, the most obvious is +dnl that color combinations don't work). +AC_DEFUN([CF_NCURSES_BROKEN], +[ +AC_REQUIRE([CF_NCURSES_VERSION]) +if test "$cf_cv_ncurses_version" != no ; then +AC_MSG_CHECKING(for obsolete/broken version of ncurses) +AC_CACHE_VAL(cf_cv_ncurses_broken,[ +AC_TRY_COMPILE([ +#include <${cf_cv_ncurses_header:-curses.h}>],[ +#if defined(NCURSES_VERSION) && defined(wgetbkgd) + #error expected wgetbkgd to be defined with ncurses +#else + int x = 1; (void)x; +#endif +], + [cf_cv_ncurses_broken=no], + [cf_cv_ncurses_broken=yes]) +]) +AC_MSG_RESULT($cf_cv_ncurses_broken) +if test "$cf_cv_ncurses_broken" = yes ; then + AC_MSG_WARN(hmm... you should get an up-to-date version of ncurses) + AC_DEFINE(NCURSES_BROKEN,1,[Define to 1 if you have an obsolete version of ncurses]) +fi +fi +])dnl +dnl --------------------------------------------------------------------------- +dnl CF_NCURSES_CC_CHECK version: 6 updated: 2023/02/18 17:47:58 +dnl ------------------- +dnl Check if we can compile with ncurses' header file +dnl $1 is the cache variable to set +dnl $2 is the header-file to include +dnl $3 is the root name (ncurses or ncursesw) +AC_DEFUN([CF_NCURSES_CC_CHECK],[ + AC_TRY_COMPILE([ +]ifelse($3,ncursesw,[ +#define _XOPEN_SOURCE_EXTENDED +#undef HAVE_LIBUTF8_H /* in case we used CF_UTF8_LIB */ +#define HAVE_LIBUTF8_H /* to force ncurses' header file to use cchar_t */ +])[ +#include <$2>],[ +#ifdef NCURSES_VERSION +]ifelse($3,ncursesw,[ +#ifndef WACS_BSSB + #error WACS_BSSB is not defined +#endif +])[ +printf("%s\\n", NCURSES_VERSION); +#else +#ifdef __NCURSES_H +printf("old\\n"); +#else + #error __NCURSES_H is not defined +#endif +#endif + ] + ,[$1=$2] + ,[$1=no]) +])dnl +dnl --------------------------------------------------------------------------- +dnl CF_NCURSES_CONFIG version: 28 updated: 2021/08/28 15:20:37 +dnl ----------------- +dnl Tie together the configure-script macros for ncurses, preferring these in +dnl order: +dnl a) ".pc" files for pkg-config, using $NCURSES_CONFIG_PKG +dnl b) the "-config" script from ncurses, using $NCURSES_CONFIG +dnl c) just plain libraries +dnl +dnl $1 is the root library name (default: "ncurses") +AC_DEFUN([CF_NCURSES_CONFIG],[ +AC_REQUIRE([CF_PKG_CONFIG]) +cf_ncuconfig_root=ifelse($1,,ncurses,$1) +cf_have_ncuconfig=no + +if test "x${PKG_CONFIG:=none}" != xnone; then + AC_MSG_CHECKING(pkg-config for $cf_ncuconfig_root) + if "$PKG_CONFIG" --exists $cf_ncuconfig_root ; then + AC_MSG_RESULT(yes) + + AC_MSG_CHECKING(if the $cf_ncuconfig_root package files work) + cf_have_ncuconfig=unknown + + cf_save_CFLAGS="$CFLAGS" + cf_save_CPPFLAGS="$CPPFLAGS" + cf_save_LIBS="$LIBS" + + cf_pkg_cflags="`$PKG_CONFIG --cflags $cf_ncuconfig_root`" + cf_pkg_libs="`$PKG_CONFIG --libs $cf_ncuconfig_root`" + + # while -W for passing linker flags is prevalent, it is not "standard". + # At least one wrapper for c89/c99 (in Apple's xcode) has its own + # incompatible _and_ non-standard -W option which gives an error. Work + # around that pitfall. + case "x${CC}@@${cf_pkg_libs}@${cf_pkg_cflags}" in + (x*c[[89]]9@@*-W*) + CF_ADD_CFLAGS($cf_pkg_cflags) + CF_ADD_LIBS($cf_pkg_libs) + + AC_TRY_LINK([#include <${cf_cv_ncurses_header:-curses.h}>], + [initscr(); mousemask(0,0); tigetstr((char *)0);], + [AC_TRY_RUN([#include <${cf_cv_ncurses_header:-curses.h}> + int main(void) + { const char *xx = curses_version(); return (xx == 0); }], + [cf_test_ncuconfig=yes], + [cf_test_ncuconfig=no], + [cf_test_ncuconfig=maybe])], + [cf_test_ncuconfig=no]) + + CFLAGS="$cf_save_CFLAGS" + CPPFLAGS="$cf_save_CPPFLAGS" + LIBS="$cf_save_LIBS" + + if test "x$cf_test_ncuconfig" != xyes; then + cf_temp=`echo "x$cf_pkg_cflags" | sed -e s/^x// -e 's/-W[[^ ]]*//g'` + cf_pkg_cflags="$cf_temp" + cf_temp=`echo "x$cf_pkg_libs" | sed -e s/^x// -e 's/-W[[^ ]]*//g'` + cf_pkg_libs="$cf_temp" + fi + ;; + esac + + CF_APPEND_CFLAGS($cf_pkg_cflags) + CF_ADD_LIBS($cf_pkg_libs) + + AC_TRY_LINK([#include <${cf_cv_ncurses_header:-curses.h}>], + [initscr(); mousemask(0,0); tigetstr((char *)0);], + [AC_TRY_RUN([#include <${cf_cv_ncurses_header:-curses.h}> + int main(void) + { const char *xx = curses_version(); return (xx == 0); }], + [cf_have_ncuconfig=yes], + [cf_have_ncuconfig=no], + [cf_have_ncuconfig=maybe])], + [cf_have_ncuconfig=no]) + AC_MSG_RESULT($cf_have_ncuconfig) + test "$cf_have_ncuconfig" = maybe && cf_have_ncuconfig=yes + if test "$cf_have_ncuconfig" != "yes" + then + CPPFLAGS="$cf_save_CPPFLAGS" + LIBS="$cf_save_LIBS" + NCURSES_CONFIG_PKG=none + else + AC_DEFINE(NCURSES,1,[Define to 1 if we are using ncurses headers/libraries]) + NCURSES_CONFIG_PKG=$cf_ncuconfig_root + CF_TERM_HEADER + fi + + else + AC_MSG_RESULT(no) + NCURSES_CONFIG_PKG=none + fi +else + NCURSES_CONFIG_PKG=none +fi + +if test "x$cf_have_ncuconfig" = "xno"; then + cf_ncurses_config="${cf_ncuconfig_root}${NCURSES_CONFIG_SUFFIX}-config"; echo "Looking for ${cf_ncurses_config}" + + CF_ACVERSION_CHECK(2.52, + [AC_CHECK_TOOLS(NCURSES_CONFIG, ${cf_ncurses_config} ${cf_ncuconfig_root}6-config ${cf_ncuconfig_root}6-config ${cf_ncuconfig_root}5-config, none)], + [AC_PATH_PROGS(NCURSES_CONFIG, ${cf_ncurses_config} ${cf_ncuconfig_root}6-config ${cf_ncuconfig_root}6-config ${cf_ncuconfig_root}5-config, none)]) + + if test "$NCURSES_CONFIG" != none ; then + + CF_APPEND_CFLAGS(`$NCURSES_CONFIG --cflags`) + CF_ADD_LIBS(`$NCURSES_CONFIG --libs`) + + # even with config script, some packages use no-override for curses.h + CF_CURSES_HEADER(ifelse($1,,ncurses,$1)) + + dnl like CF_NCURSES_CPPFLAGS + AC_DEFINE(NCURSES,1,[Define to 1 if we are using ncurses headers/libraries]) + + dnl like CF_NCURSES_LIBS + CF_UPPER(cf_nculib_ROOT,HAVE_LIB$cf_ncuconfig_root) + AC_DEFINE_UNQUOTED($cf_nculib_ROOT) + + dnl like CF_NCURSES_VERSION + cf_cv_ncurses_version="`$NCURSES_CONFIG --version`" + + else + + CF_NCURSES_CPPFLAGS(ifelse($1,,ncurses,$1)) + CF_NCURSES_LIBS(ifelse($1,,ncurses,$1)) + + fi +else + NCURSES_CONFIG=none +fi +])dnl +dnl --------------------------------------------------------------------------- +dnl CF_NCURSES_CPPFLAGS version: 22 updated: 2021/01/02 09:31:20 +dnl ------------------- +dnl Look for the SVr4 curses clone 'ncurses' in the standard places, adjusting +dnl the CPPFLAGS variable so we can include its header. +dnl +dnl The header files may be installed as either curses.h, or ncurses.h (would +dnl be obsolete, except that some packagers prefer this name to distinguish it +dnl from a "native" curses implementation). If not installed for overwrite, +dnl the curses.h file would be in an ncurses subdirectory (e.g., +dnl /usr/include/ncurses), but someone may have installed overwriting the +dnl vendor's curses. Only very old versions (pre-1.9.2d, the first autoconf'd +dnl version) of ncurses don't define either __NCURSES_H or NCURSES_VERSION in +dnl the header. +dnl +dnl If the installer has set $CFLAGS or $CPPFLAGS so that the ncurses header +dnl is already in the include-path, don't even bother with this, since we cannot +dnl easily determine which file it is. In this case, it has to be <curses.h>. +dnl +dnl The optional parameter gives the root name of the library, in case it is +dnl not installed as the default curses library. That is how the +dnl wide-character version of ncurses is installed. +AC_DEFUN([CF_NCURSES_CPPFLAGS], +[AC_REQUIRE([CF_WITH_CURSES_DIR]) + +AC_PROVIDE([CF_CURSES_CPPFLAGS])dnl +cf_ncuhdr_root=ifelse($1,,ncurses,$1) + +test -n "$cf_cv_curses_dir" && \ +test "$cf_cv_curses_dir" != "no" && { \ + CF_ADD_INCDIR($cf_cv_curses_dir/include/$cf_ncuhdr_root) +} + +AC_CACHE_CHECK(for $cf_ncuhdr_root header in include-path, cf_cv_ncurses_h,[ + cf_header_list="$cf_ncuhdr_root/curses.h $cf_ncuhdr_root/ncurses.h" + { test "$cf_ncuhdr_root" = ncurses || test "$cf_ncuhdr_root" = ncursesw; } && cf_header_list="$cf_header_list curses.h ncurses.h" + for cf_header in $cf_header_list + do + CF_NCURSES_CC_CHECK(cf_cv_ncurses_h,$cf_header,$1) + test "$cf_cv_ncurses_h" != no && break + done +]) + +CF_NCURSES_HEADER +CF_TERM_HEADER + +# some applications need this, but should check for NCURSES_VERSION +AC_DEFINE(NCURSES,1,[Define to 1 if we are using ncurses headers/libraries]) + +CF_NCURSES_VERSION +])dnl +dnl --------------------------------------------------------------------------- +dnl CF_NCURSES_HEADER version: 7 updated: 2021/01/04 19:33:05 +dnl ----------------- +dnl Find a "curses" header file, e.g,. "curses.h", or one of the more common +dnl variations of ncurses' installs. +dnl +dnl See also CF_CURSES_HEADER, which sets the same cache variable. +AC_DEFUN([CF_NCURSES_HEADER],[ + +if test "$cf_cv_ncurses_h" != no ; then + cf_cv_ncurses_header=$cf_cv_ncurses_h +else + +AC_CACHE_CHECK(for $cf_ncuhdr_root include-path, cf_cv_ncurses_h2,[ + test -n "$verbose" && echo + CF_HEADER_PATH(cf_search,$cf_ncuhdr_root) + test -n "$verbose" && echo "search path $cf_search" + cf_save2_CPPFLAGS="$CPPFLAGS" + for cf_incdir in $cf_search + do + CF_ADD_INCDIR($cf_incdir) + for cf_header in \ + ncurses.h \ + curses.h + do + CF_NCURSES_CC_CHECK(cf_cv_ncurses_h2,$cf_header,$1) + if test "$cf_cv_ncurses_h2" != no ; then + cf_cv_ncurses_h2=$cf_incdir/$cf_header + test -n "$verbose" && echo $ECHO_N " ... found $ECHO_C" 1>&AC_FD_MSG + break + fi + test -n "$verbose" && echo " ... tested $cf_incdir/$cf_header" 1>&AC_FD_MSG + done + CPPFLAGS="$cf_save2_CPPFLAGS" + test "$cf_cv_ncurses_h2" != no && break + done + test "$cf_cv_ncurses_h2" = no && AC_MSG_ERROR(not found) + ]) + + CF_DIRNAME(cf_1st_incdir,$cf_cv_ncurses_h2) + cf_cv_ncurses_header="`basename "$cf_cv_ncurses_h2"`" + if test "`basename "$cf_1st_incdir"`" = "$cf_ncuhdr_root" ; then + cf_cv_ncurses_header="$cf_ncuhdr_root/$cf_cv_ncurses_header" + fi + CF_ADD_INCDIR($cf_1st_incdir) + +fi + +# Set definitions to allow ifdef'ing for ncurses.h + +case "$cf_cv_ncurses_header" in +(*ncurses.h) + AC_DEFINE(HAVE_NCURSES_H,1,[Define to 1 if we have ncurses.h]) + ;; +esac + +case "$cf_cv_ncurses_header" in +(ncurses/curses.h|ncurses/ncurses.h) + AC_DEFINE(HAVE_NCURSES_NCURSES_H,1,[Define to 1 if we have ncurses/ncurses.h]) + ;; +(ncursesw/curses.h|ncursesw/ncurses.h) + AC_DEFINE(HAVE_NCURSESW_NCURSES_H,1,[Define to 1 if we have ncursesw/ncurses.h]) + ;; +esac + +])dnl +dnl --------------------------------------------------------------------------- +dnl CF_NCURSES_LIBS version: 21 updated: 2021/09/04 06:37:12 +dnl --------------- +dnl Look for the ncurses library. This is a little complicated on Linux, +dnl because it may be linked with the gpm (general purpose mouse) library. +dnl Some distributions have gpm linked with (bsd) curses, which makes it +dnl unusable with ncurses. However, we don't want to link with gpm unless +dnl ncurses has a dependency, since gpm is normally set up as a shared library, +dnl and the linker will record a dependency. +dnl +dnl The optional parameter gives the root name of the library, in case it is +dnl not installed as the default curses library. That is how the +dnl wide-character version of ncurses is installed. +AC_DEFUN([CF_NCURSES_LIBS], +[AC_REQUIRE([CF_NCURSES_CPPFLAGS]) + +cf_nculib_root=ifelse($1,,ncurses,$1) + # This works, except for the special case where we find gpm, but + # ncurses is in a nonstandard location via $LIBS, and we really want + # to link gpm. +cf_ncurses_LIBS="" +cf_ncurses_SAVE="$LIBS" +AC_CHECK_LIB(gpm,Gpm_Open, + [AC_CHECK_LIB(gpm,initscr, + [LIBS="$cf_ncurses_SAVE"], + [cf_ncurses_LIBS="-lgpm"])]) + +case "$host_os" in +(freebsd*) + # This is only necessary if you are linking against an obsolete + # version of ncurses (but it should do no harm, since it is static). + if test "$cf_nculib_root" = ncurses ; then + AC_CHECK_LIB(mytinfo,tgoto,[cf_ncurses_LIBS="-lmytinfo $cf_ncurses_LIBS"]) + fi + ;; +esac + +CF_ADD_LIBS($cf_ncurses_LIBS) + +if test -n "$cf_cv_curses_dir" && test "$cf_cv_curses_dir" != "no" +then + CF_ADD_LIBS(-l$cf_nculib_root) +else + CF_FIND_LIBRARY($cf_nculib_root,$cf_nculib_root, + [#include <${cf_cv_ncurses_header:-curses.h}>], + [initscr()], + initscr) +fi + +if test -n "$cf_ncurses_LIBS" ; then + AC_MSG_CHECKING(if we can link $cf_nculib_root without $cf_ncurses_LIBS) + cf_ncurses_SAVE="$LIBS" + for p in $cf_ncurses_LIBS ; do + q=`echo "$LIBS" | sed -e "s%$p %%" -e "s%$p$%%"` + if test "$q" != "$LIBS" ; then + LIBS="$q" + fi + done + AC_TRY_LINK([#include <${cf_cv_ncurses_header:-curses.h}>], + [initscr(); mousemask(0,0); tigetstr((char *)0);], + [AC_MSG_RESULT(yes)], + [AC_MSG_RESULT(no) + LIBS="$cf_ncurses_SAVE"]) +fi + +CF_UPPER(cf_nculib_ROOT,HAVE_LIB$cf_nculib_root) +AC_DEFINE_UNQUOTED($cf_nculib_ROOT) +])dnl +dnl --------------------------------------------------------------------------- +dnl CF_NCURSES_VERSION version: 18 updated: 2024/01/07 06:34:16 +dnl ------------------ +dnl Check for the version of ncurses, to aid in reporting bugs, etc. +dnl Call CF_CURSES_CPPFLAGS first, or CF_NCURSES_CPPFLAGS. We don't use +dnl AC_REQUIRE since that does not work with the shell's if/then/else/fi. +AC_DEFUN([CF_NCURSES_VERSION], +[ +AC_REQUIRE([CF_CURSES_CPPFLAGS])dnl +AC_CACHE_CHECK(for ncurses version, cf_cv_ncurses_version,[ + cf_cv_ncurses_version=no + cf_tempfile=out$$ + rm -f "$cf_tempfile" + AC_TRY_RUN([ +$ac_includes_default + +#include <${cf_cv_ncurses_header:-curses.h}> + +int main(void) +{ + FILE *fp = fopen("$cf_tempfile", "w"); +#ifdef NCURSES_VERSION +# ifdef NCURSES_VERSION_PATCH + fprintf(fp, "%s.%d\\n", NCURSES_VERSION, NCURSES_VERSION_PATCH); +# else + fprintf(fp, "%s\\n", NCURSES_VERSION); +# endif +#else +# ifdef __NCURSES_H + fprintf(fp, "old\\n"); +# else + #error expected ncurses header to define __NCURSES_H +# endif +#endif + ${cf_cv_main_return:-return}(0); +}],[ + cf_cv_ncurses_version=`cat $cf_tempfile`],,[ + + # This will not work if the preprocessor splits the line after the + # Autoconf token. The 'unproto' program does that. + cat > "conftest.$ac_ext" <<EOF +#include <${cf_cv_ncurses_header:-curses.h}> +#undef Autoconf +#ifdef NCURSES_VERSION +Autoconf NCURSES_VERSION +#else +#ifdef __NCURSES_H +Autoconf "old" +#endif +; +#endif +EOF + cf_try="$ac_cpp conftest.$ac_ext 2>&AC_FD_CC | grep '^Autoconf ' >conftest.out" + AC_TRY_EVAL(cf_try) + if test -f conftest.out ; then + cf_out=`sed -e 's%^Autoconf %%' -e 's%^[[^"]]*"%%' -e 's%".*%%' conftest.out` + test -n "$cf_out" && cf_cv_ncurses_version="$cf_out" + rm -f conftest.out + fi +]) + rm -f "$cf_tempfile" +]) +test "$cf_cv_ncurses_version" = no || AC_DEFINE(NCURSES,1,[Define to 1 if we are using ncurses headers/libraries]) +])dnl +dnl --------------------------------------------------------------------------- +dnl CF_NETLIBS version: 12 updated: 2021/01/02 09:31:20 +dnl ---------- +dnl After checking for functions in the default $LIBS, make a further check +dnl for the functions that are netlib-related (these aren't always in the +dnl libc, etc., and have to be handled specially because there are conflicting +dnl and broken implementations. +dnl Common library requirements (in order): +dnl -lresolv -lsocket -lnsl +dnl -lnsl -lsocket +dnl -lsocket +dnl -lbsd +dnl -lnetwork +AC_DEFUN([CF_NETLIBS],[ +cf_test_netlibs=no + +AC_MSG_CHECKING(for network libraries) + +AC_CACHE_VAL(cf_cv_netlibs,[ +AC_MSG_RESULT(working...) + +cf_cv_netlibs="" +cf_test_netlibs=yes + +case "$host_os" in +(mingw*) + AC_CHECK_HEADERS( windows.h winsock.h winsock2.h ) + + if test "$ac_cv_header_winsock2_h" = "yes" ; then + cf_winsock_lib="-lws2_32" + elif test "$ac_cv_header_winsock_h" = "yes" ; then + cf_winsock_lib="-lwsock32" + fi + + cf_save_LIBS="$LIBS" + CF_ADD_LIBS($cf_winsock_lib) + + AC_TRY_LINK([ +#ifdef HAVE_WINDOWS_H +#undef WIN32_LEAN_AND_MEAN +#define WIN32_LEAN_AND_MEAN +#include <windows.h> +#ifdef HAVE_WINSOCK2_H +#include <winsock2.h> +#else +#ifdef HAVE_WINSOCK_H +#include <winsock.h> +#endif +#endif +#endif +],[ + char buffer[1024]; + gethostname(buffer, sizeof(buffer));], + [cf_cv_netlibs="$cf_winsock_lib $cf_cv_netlibs"], + [AC_MSG_ERROR(Cannot link against winsock library)]) + + LIBS="$cf_save_LIBS" + ;; +(*) + AC_CHECK_FUNCS(gethostname,,[ + CF_RECHECK_FUNC(gethostname,nsl,cf_cv_netlibs,[ + CF_RECHECK_FUNC(gethostname,socket,cf_cv_netlibs)])]) + + AC_CHECK_LIB(inet, main, cf_cv_netlibs="-linet $cf_cv_netlibs") + + if test "$ac_cv_func_lsocket" != no ; then + AC_CHECK_FUNCS(socket,,[ + CF_RECHECK_FUNC(socket,socket,cf_cv_netlibs,[ + CF_RECHECK_FUNC(socket,bsd,cf_cv_netlibs)])]) + fi + + AC_CHECK_FUNCS(gethostbyname,,[ + CF_RECHECK_FUNC(gethostbyname,nsl,cf_cv_netlibs)]) + + AC_CHECK_FUNCS(inet_ntoa,,[ + CF_RECHECK_FUNC(inet_ntoa,nsl,cf_cv_netlibs)]) + + AC_CHECK_FUNCS(gethostbyname,,[ + CF_RECHECK_FUNC(gethostbyname,network,cf_cv_netlibs)]) + + AC_CHECK_FUNCS(strcasecmp,,[ + CF_RECHECK_FUNC(strcasecmp,resolv,cf_cv_netlibs)]) + ;; +esac +]) + +case "$cf_cv_netlibs" in +(*ws2_32*) + AC_DEFINE(USE_WINSOCK2_H,1,[Define to 1 if we should include winsock2.h]) + ;; +esac + +CF_ADD_LIBS($cf_cv_netlibs) +test "$cf_test_netlibs" = no && echo "$cf_cv_netlibs" >&AC_FD_MSG +])dnl +dnl --------------------------------------------------------------------------- +dnl CF_NGROUPS version: 5 updated: 2024/01/07 06:34:16 +dnl ---------- +dnl Check for the symbol NGROUPS +AC_DEFUN([CF_NGROUPS], +[ +AC_MSG_CHECKING(if NGROUPS is defined) +AC_CACHE_VAL(cf_cv_ngroups,[ +AC_TRY_COMPILE([ +#if HAVE_SYS_PARAM_H +#include <sys/param.h> +#endif +#if HAVE_LIMITS_H +#include <limits.h> +#endif +],[int x = NGROUPS; (void)x], + [cf_cv_ngroups=yes], + [AC_TRY_COMPILE([ +#if HAVE_SYS_PARAM_H +#include <sys/param.h> +#endif +#if HAVE_LIMITS_H +#include <limits.h> +#endif +],[int x = NGROUPS_MAX], + [cf_cv_ngroups=NGROUPS_MAX], + [cf_cv_ngroups=no]) + ]) +AC_MSG_RESULT($cf_cv_ngroups) +]) +if test "$cf_cv_ngroups" = no ; then + AC_DEFINE(NGROUPS,16,[Define to maximum number of groups]) +elif test "$cf_cv_ngroups" = NGROUPS_MAX ; then + AC_DEFINE(NGROUPS,NGROUPS_MAX) +fi +])dnl +dnl --------------------------------------------------------------------------- +dnl CF_NO_LEAKS_OPTION version: 9 updated: 2021/06/13 19:45:41 +dnl ------------------ +dnl see CF_WITH_NO_LEAKS +dnl +dnl $1 = option/name +dnl $2 = help-text +dnl $3 = symbol to define if the option is set +dnl $4 = additional actions to take if the option is set +AC_DEFUN([CF_NO_LEAKS_OPTION],[ +AC_MSG_CHECKING(if you want to use $1 for testing) +AC_ARG_WITH($1, + [$2], + [case "x$withval" in + (x|xno) ;; + (*) + : "${with_cflags:=-g}" + : "${enable_leaks:=no}" + with_$1=yes + AC_DEFINE_UNQUOTED($3,1,"Define to 1 if you want to use $1 for testing.")ifelse([$4],,[ + $4 +]) + ;; + esac], + [with_$1=]) +AC_MSG_RESULT(${with_$1:-no}) + +case ".$with_cflags" in +(.*-g*) + case .$CFLAGS in + (.*-g*) + ;; + (*) + CF_ADD_CFLAGS([-g]) + ;; + esac + ;; +esac +])dnl +dnl --------------------------------------------------------------------------- +dnl CF_NSS_COMPAT version: 7 updated: 2021/01/02 09:31:20 +dnl ------------- +dnl Check for NSS compatible SSL libraries +dnl $1 = the [optional] directory in which the library may be found +AC_DEFUN([CF_NSS_COMPAT],[ +check=`pkg-config --version 2>/dev/null` +if test -n "$check" ; then + cf_ssl_library=`pkg-config --libs nss` + cf_ssl_cflags=`pkg-config --cflags nss` +else + # Without pkg-config, we'll kludge in some defaults + cf_ssl_library="-lssl3 -lsmime3 -lnss3 -lplds4 -lplc4 -lnspr4 -lpthread -ldl" + cf_ssl_cflags="-I/usr/include/nss3 -I/usr/include/nspr4" +fi +cf_ssl_library="-lnss_compat_ossl $cf_ssl_library" + +case "$1" in +(no) + cf_ssl_root= + ;; +(yes) + AC_CHECK_LIB(nss_compat_ossl, SSL_get_version,[],[ + cf_ssl_root=/usr/local/nss_compat_ossl + if test -d "$cf_ssl_root" ; then + CF_VERBOSE(assume it is in $cf_ssl_root) + cf_ssl_library="-L$cf_ssl_root/lib $cf_ssl_library" + else + AC_MSG_ERROR(cannot find NSS compliant libraries) + fi + ], + [-lnss_compat_ossl]) + ;; +(*) + if test -d "$1" ; then + if test -d "$1/include" ; then + cf_ssl_root=$1 + elif test -d "$1/../include" ; then + cf_ssl_root=$1/.. + else + AC_MSG_ERROR(cannot find NSS compliant library under $1) + fi + cf_ssl_library="-L$cf_ssl_root/lib $cf_ssl_library" + else + AC_MSG_WARN(expected a directory: $1) + fi + ;; +esac +CF_ADD_LIBS($cf_ssl_library) + +cf_ssl_subincs=yes +if test -n "$cf_ssl_root" ; then + if test -d "$cf_ssl_root/include" ; then + cf_ssl_cflags="-I$cf_ssl_root/include $cf_ssl_cflags" + test -d "$cf_ssl_root/include/nss_compat_ossl" || cf_ssl_subincs=no + fi +fi +CF_ADD_CFLAGS($cf_ssl_cflags) + +if test "$cf_ssl_subincs" = yes ; then +AC_MSG_CHECKING(for NSS compliant include directory) +AC_TRY_COMPILE([ +#include <stdio.h> +#include <nss_compat_ossl/nss_compat_ossl.h>], + [SSL_shutdown((SSL *)0)], + [cf_ssl_incl=yes], + [cf_ssl_incl=no]) +AC_MSG_RESULT($cf_ssl_incl) +test "$cf_ssl_incl" = yes && AC_DEFINE(USE_NSS_COMPAT_INCL,1,[Define to 1 if we should use nss compatibility header]) +fi + +AC_MSG_CHECKING(if we can link to NSS compliant library) +AC_TRY_LINK([ +#include <stdio.h> +#ifdef USE_NSS_COMPAT_INCL +#include <nss_compat_ossl/nss_compat_ossl.h> +#else +#include <ssl.h> +#endif +], + [SSL_shutdown((SSL *)0)], + [cf_ssl_library=yes], + [cf_ssl_library=no]) +AC_MSG_RESULT($cf_ssl_library) +if test "$cf_ssl_library" = yes ; then + AC_DEFINE(USE_SSL,1,[Define to 1 if we should use SSL]) + AC_DEFINE(USE_X509_SUPPORT,1,[Define to 1 if the SSL library provides X509 support]) +else + AC_MSG_ERROR(Cannot link with NSS compliant libraries) +fi +])dnl +dnl --------------------------------------------------------------------------- +dnl CF_OUR_MESSAGES version: 8 updated: 2021/01/02 09:31:20 +dnl --------------- +dnl Check if we use the messages included with this program +dnl +dnl $1 specifies either Makefile or makefile, defaulting to the former. +dnl +dnl Sets variables which can be used to substitute in makefiles: +dnl MSG_DIR_MAKE - to make ./po directory +dnl SUB_MAKEFILE - makefile in ./po directory (see CF_BUNDLED_INTL) +dnl +AC_DEFUN([CF_OUR_MESSAGES], +[ +cf_makefile=ifelse($1,,Makefile,$1) + +use_our_messages=no +if test "$USE_NLS" = yes ; then +if test -d "$srcdir/po" ; then +AC_MSG_CHECKING(if we should use included message-library) + AC_ARG_ENABLE(included-msgs, + [ --disable-included-msgs use included messages, for i18n support], + [use_our_messages=$enableval], + [use_our_messages=yes]) +fi +AC_MSG_RESULT($use_our_messages) +fi + +MSG_DIR_MAKE="#" +if test "$use_our_messages" = yes +then + SUB_MAKEFILE="$SUB_MAKEFILE po/$cf_makefile.in:$srcdir/po/$cf_makefile.inn" + MSG_DIR_MAKE= +fi + +AC_SUBST(MSG_DIR_MAKE) +AC_SUBST(SUB_MAKEFILE) +])dnl +dnl --------------------------------------------------------------------------- +dnl CF_PATHSEP version: 8 updated: 2021/01/01 13:31:04 +dnl ---------- +dnl Provide a value for the $PATH and similar separator (or amend the value +dnl as provided in autoconf 2.5x). +AC_DEFUN([CF_PATHSEP], +[ + AC_MSG_CHECKING(for PATH separator) + case "$cf_cv_system_name" in + (os2*) PATH_SEPARATOR=';' ;; + (*) ${PATH_SEPARATOR:=':'} ;; + esac +ifelse([$1],,,[$1=$PATH_SEPARATOR]) + AC_SUBST(PATH_SEPARATOR) + AC_MSG_RESULT($PATH_SEPARATOR) +])dnl +dnl --------------------------------------------------------------------------- +dnl CF_PATH_PROG version: 12 updated: 2021/01/02 09:31:20 +dnl ------------ +dnl Check for a given program, defining corresponding symbol. +dnl $1 = environment variable, which is suffixed by "_PATH" in the #define. +dnl $2 = program name to find. +dnl $3 = optional list of additional program names to test. +dnl $4 = $PATH +dnl +dnl If there is more than one token in the result, #define the remaining tokens +dnl to $1_ARGS. We need this for 'install' in particular. +dnl +dnl FIXME: we should allow this to be overridden by environment variables +dnl +AC_DEFUN([CF_PATH_PROG],[ +AC_REQUIRE([CF_PATHSEP]) +test -z "[$]$1" && $1="$2" +AC_PATH_PROGS($1,[$]$1 $2 ifelse($3,,,$3),[$]$1, ifelse($4,,,$4)) + +cf_path_prog="" +cf_path_args="" +IFS="${IFS:- }"; cf_save_ifs="$IFS"; IFS="${IFS}$PATH_SEPARATOR" +for cf_temp in $ac_cv_path_$1 +do + if test -z "$cf_path_prog" ; then + if test "$with_full_paths" = yes ; then + CF_PATH_SYNTAX(cf_temp,break) + cf_path_prog="$cf_temp" + else + cf_path_prog="`basename "$cf_temp"`" + fi + elif test -z "$cf_path_args" ; then + cf_path_args="$cf_temp" + else + cf_path_args="$cf_path_args $cf_temp" + fi +done +IFS="$cf_save_ifs" + +if test -n "$cf_path_prog" ; then + CF_MSG_LOG(defining path for ${cf_path_prog}) + AC_DEFINE_UNQUOTED($1_PATH,"$cf_path_prog",Define to pathname $1) + test -n "$cf_path_args" && AC_DEFINE_UNQUOTED($1_ARGS,"$cf_path_args",Define to provide args for $1) +fi +])dnl +dnl --------------------------------------------------------------------------- +dnl CF_PATH_SYNTAX version: 18 updated: 2020/12/31 18:40:20 +dnl -------------- +dnl Check the argument to see that it looks like a pathname. Rewrite it if it +dnl begins with one of the prefix/exec_prefix variables, and then again if the +dnl result begins with 'NONE'. This is necessary to work around autoconf's +dnl delayed evaluation of those symbols. +AC_DEFUN([CF_PATH_SYNTAX],[ +if test "x$prefix" != xNONE; then + cf_path_syntax="$prefix" +else + cf_path_syntax="$ac_default_prefix" +fi + +case ".[$]$1" in +(.\[$]\(*\)*|.\'*\'*) + ;; +(..|./*|.\\*) + ;; +(.[[a-zA-Z]]:[[\\/]]*) # OS/2 EMX + ;; +(.\[$]\{*prefix\}*|.\[$]\{*dir\}*) + eval $1="[$]$1" + case ".[$]$1" in + (.NONE/*) + $1=`echo "[$]$1" | sed -e s%NONE%$cf_path_syntax%` + ;; + esac + ;; +(.no|.NONE/*) + $1=`echo "[$]$1" | sed -e s%NONE%$cf_path_syntax%` + ;; +(*) + ifelse([$2],,[AC_MSG_ERROR([expected a pathname, not \"[$]$1\"])],$2) + ;; +esac +])dnl +dnl --------------------------------------------------------------------------- +dnl CF_PDCURSES_W32 version: 2 updated: 2019/12/31 10:27:03 +dnl --------------- +dnl Configure for PDCurses' Win32 library, checking for definitions as well +dnl which are needed to use its header file correctly. +AC_DEFUN([CF_PDCURSES_W32],[ + +AC_CHECK_LIB(pdcurses,initscr,[ + CF_ADD_LIBS(-lpdcurses) + cf_cv_term_header=no + cf_cv_unctrl_header=no + AC_CHECK_FUNC(winwstr,[AC_DEFINE(PDC_WIDE,1,[Define to 1 if PDCurses has winwstr])]) + AC_CHECK_FUNC(pdcurses_dll_iname,[AC_DEFINE(PDC_DLL_BUILD,1,[Define to 1 if PDCurses has pdcurses_dll_iname])]) +]) + +])dnl +dnl --------------------------------------------------------------------------- +dnl CF_PDCURSES_X11 version: 15 updated: 2021/01/02 09:31:20 +dnl --------------- +dnl Configure for PDCurses' X11 library +AC_DEFUN([CF_PDCURSES_X11],[ +AC_REQUIRE([CF_X_ATHENA]) + +CF_ACVERSION_CHECK(2.52, + [AC_CHECK_TOOLS(XCURSES_CONFIG, xcurses-config, none)], + [AC_PATH_PROGS(XCURSES_CONFIG, xcurses-config, none)]) + +if test "$XCURSES_CONFIG" != none ; then + +CF_ADD_CFLAGS(`$XCURSES_CONFIG --cflags`) +CF_ADD_LIBS(`$XCURSES_CONFIG --libs`) + +cf_cv_lib_XCurses=yes + +else + +LDFLAGS="$LDFLAGS $X_LIBS" +CF_CHECK_CFLAGS($X_CFLAGS) +AC_CHECK_LIB(X11,XOpenDisplay, + [CF_ADD_LIBS(-lX11)],, + [$X_PRE_LIBS $LIBS $X_EXTRA_LIBS]) +AC_CACHE_CHECK(for XCurses library,cf_cv_lib_XCurses,[ +CF_ADD_LIBS(-lXCurses) +AC_TRY_LINK([ +#include <xcurses.h> +char *XCursesProgramName = "test"; +],[XCursesExit();], +[cf_cv_lib_XCurses=yes], +[cf_cv_lib_XCurses=no]) +]) + +fi + +if test "$cf_cv_lib_XCurses" = yes ; then + AC_DEFINE(UNIX,1,[Define to 1 if using PDCurses on Unix]) + AC_DEFINE(XCURSES,1,[Define to 1 if using PDCurses on Unix]) + AC_CHECK_HEADER(xcurses.h, AC_DEFINE(HAVE_XCURSES,1,[Define to 1 if using PDCurses on Unix])) +else + AC_MSG_ERROR(Cannot link with XCurses) +fi +])dnl +dnl --------------------------------------------------------------------------- +dnl CF_PKG_CONFIG version: 13 updated: 2023/10/28 11:59:01 +dnl ------------- +dnl Check for the package-config program, unless disabled by command-line. +dnl +dnl Sets $PKG_CONFIG to the pathname of the pkg-config program. +AC_DEFUN([CF_PKG_CONFIG], +[ +AC_MSG_CHECKING(if you want to use pkg-config) +AC_ARG_WITH(pkg-config, + [[ --with-pkg-config[=CMD] enable/disable use of pkg-config and its name CMD]], + [cf_pkg_config=$withval], + [cf_pkg_config=yes]) +AC_MSG_RESULT($cf_pkg_config) + +case "$cf_pkg_config" in +(no) + PKG_CONFIG=none + ;; +(yes) + CF_ACVERSION_CHECK(2.52, + [AC_PATH_TOOL(PKG_CONFIG, pkg-config, none)], + [AC_PATH_PROG(PKG_CONFIG, pkg-config, none)]) + ;; +(*) + PKG_CONFIG=$withval + ;; +esac + +test -z "$PKG_CONFIG" && PKG_CONFIG=none +if test "$PKG_CONFIG" != none ; then + CF_PATH_SYNTAX(PKG_CONFIG) +elif test "x$cf_pkg_config" != xno ; then + AC_MSG_WARN(pkg-config is not installed) +fi + +AC_SUBST(PKG_CONFIG) +])dnl +dnl --------------------------------------------------------------------------- +dnl CF_POSIX_C_SOURCE version: 12 updated: 2023/02/18 17:41:25 +dnl ----------------- +dnl Define _POSIX_C_SOURCE to the given level, and _POSIX_SOURCE if needed. +dnl +dnl POSIX.1-1990 _POSIX_SOURCE +dnl POSIX.1-1990 and _POSIX_SOURCE and +dnl POSIX.2-1992 C-Language _POSIX_C_SOURCE=2 +dnl Bindings Option +dnl POSIX.1b-1993 _POSIX_C_SOURCE=199309L +dnl POSIX.1c-1996 _POSIX_C_SOURCE=199506L +dnl X/Open 2000 _POSIX_C_SOURCE=200112L +dnl +dnl Parameters: +dnl $1 is the nominal value for _POSIX_C_SOURCE +AC_DEFUN([CF_POSIX_C_SOURCE], +[AC_REQUIRE([CF_POSIX_VISIBLE])dnl + +if test "$cf_cv_posix_visible" = no; then + +cf_POSIX_C_SOURCE=ifelse([$1],,199506L,[$1]) + +cf_save_CFLAGS="$CFLAGS" +cf_save_CPPFLAGS="$CPPFLAGS" + +CF_REMOVE_DEFINE(cf_trim_CFLAGS,$cf_save_CFLAGS,_POSIX_C_SOURCE) +CF_REMOVE_DEFINE(cf_trim_CPPFLAGS,$cf_save_CPPFLAGS,_POSIX_C_SOURCE) + +AC_CACHE_CHECK(if we should define _POSIX_C_SOURCE,cf_cv_posix_c_source,[ + CF_MSG_LOG(if the symbol is already defined go no further) + AC_TRY_COMPILE([#include <sys/types.h>],[ +#ifndef _POSIX_C_SOURCE +#error _POSIX_C_SOURCE is not defined +#endif], + [cf_cv_posix_c_source=no], + [cf_want_posix_source=no + case .$cf_POSIX_C_SOURCE in + (.[[12]]??*) + cf_cv_posix_c_source="-D_POSIX_C_SOURCE=$cf_POSIX_C_SOURCE" + ;; + (.2) + cf_cv_posix_c_source="-D_POSIX_C_SOURCE=$cf_POSIX_C_SOURCE" + cf_want_posix_source=yes + ;; + (.*) + cf_want_posix_source=yes + ;; + esac + if test "$cf_want_posix_source" = yes ; then + AC_TRY_COMPILE([#include <sys/types.h>],[ +#ifdef _POSIX_SOURCE +#error _POSIX_SOURCE is defined +#endif],[], + cf_cv_posix_c_source="$cf_cv_posix_c_source -D_POSIX_SOURCE") + fi + CF_MSG_LOG(ifdef from value $cf_POSIX_C_SOURCE) + CFLAGS="$cf_trim_CFLAGS" + CPPFLAGS="$cf_trim_CPPFLAGS" + CF_APPEND_TEXT(CPPFLAGS,$cf_cv_posix_c_source) + CF_MSG_LOG(if the second compile does not leave our definition intact error) + AC_TRY_COMPILE([#include <sys/types.h>],[ +#ifndef _POSIX_C_SOURCE +#error _POSIX_C_SOURCE is not defined +#endif],, + [cf_cv_posix_c_source=no]) + CFLAGS="$cf_save_CFLAGS" + CPPFLAGS="$cf_save_CPPFLAGS" + ]) +]) + +if test "$cf_cv_posix_c_source" != no ; then + CFLAGS="$cf_trim_CFLAGS" + CPPFLAGS="$cf_trim_CPPFLAGS" + CF_ADD_CFLAGS($cf_cv_posix_c_source) +fi + +fi # cf_cv_posix_visible + +])dnl +dnl --------------------------------------------------------------------------- +dnl CF_POSIX_VISIBLE version: 1 updated: 2018/12/31 20:46:17 +dnl ---------------- +dnl POSIX documents test-macros which an application may set before any system +dnl headers are included to make features available. +dnl +dnl Some BSD platforms (originally FreeBSD, but copied by a few others) +dnl diverged from POSIX in 2002 by setting symbols which make all of the most +dnl recent features visible in the system header files unless the application +dnl overrides the corresponding test-macros. Doing that introduces portability +dnl problems. +dnl +dnl This macro makes a special check for the symbols used for this, to avoid a +dnl conflicting definition. +AC_DEFUN([CF_POSIX_VISIBLE], +[ +AC_CACHE_CHECK(if the POSIX test-macros are already defined,cf_cv_posix_visible,[ +AC_TRY_COMPILE([#include <stdio.h>],[ +#if defined(__POSIX_VISIBLE) && ((__POSIX_VISIBLE - 0L) > 0) \ + && defined(__XSI_VISIBLE) && ((__XSI_VISIBLE - 0L) > 0) \ + && defined(__BSD_VISIBLE) && ((__BSD_VISIBLE - 0L) > 0) \ + && defined(__ISO_C_VISIBLE) && ((__ISO_C_VISIBLE - 0L) > 0) +#error conflicting symbols found +#endif +],[cf_cv_posix_visible=no],[cf_cv_posix_visible=yes]) +]) +])dnl +dnl --------------------------------------------------------------------------- +dnl CF_PROG_AR version: 1 updated: 2009/01/01 20:15:22 +dnl ---------- +dnl Check for archiver "ar". +AC_DEFUN([CF_PROG_AR],[ +AC_CHECK_TOOL(AR, ar, ar) +]) +dnl --------------------------------------------------------------------------- +dnl CF_PROG_CC version: 5 updated: 2019/12/31 08:53:54 +dnl ---------- +dnl standard check for CC, plus followup sanity checks +dnl $1 = optional parameter to pass to AC_PROG_CC to specify compiler name +AC_DEFUN([CF_PROG_CC],[ +CF_ACVERSION_CHECK(2.53, + [AC_MSG_WARN(this will incorrectly handle gnatgcc choice) + AC_REQUIRE([AC_PROG_CC])], + []) +ifelse($1,,[AC_PROG_CC],[AC_PROG_CC($1)]) +CF_GCC_VERSION +CF_ACVERSION_CHECK(2.52, + [AC_PROG_CC_STDC], + [CF_ANSI_CC_REQD]) +CF_CC_ENV_FLAGS +])dnl +dnl --------------------------------------------------------------------------- +dnl CF_PROG_CPP_COMMENTS version: 1 updated: 2017/07/02 14:31:07 +dnl -------------------- +dnl Ask for preprocessor "-C" option if we can get it. +AC_DEFUN([CF_PROG_CPP_COMMENTS],[ +AC_REQUIRE([AC_PROG_CPP]) +AC_MSG_CHECKING(if preprocessor -C option works) +AC_CACHE_VAL(cf_cv_prog_cpp_comments,[ +cf_cv_prog_cpp_comments=no +cat >conftest.c <<CF_EOF +int main(void) +{ + /* COMMENT */ + return 0; +} +CF_EOF +if ( $CPP -C conftest.c >conftest.i 2>/dev/null ) +then + if ( grep COMMENT conftest.i >/dev/null 2>/dev/null ) + then + cf_cv_prog_cpp_comments=yes + fi +fi +rm -f conftest.[[ci]] +]) +AC_MSG_RESULT($cf_cv_prog_cpp_comments) +if test x$cf_cv_prog_cpp_comments = xyes +then + CPP="$CPP -C" +fi +])dnl +dnl --------------------------------------------------------------------------- +dnl CF_PROG_EXT version: 15 updated: 2021/01/02 09:31:20 +dnl ----------- +dnl Compute $PROG_EXT, used for non-Unix ports, such as OS/2 EMX. +AC_DEFUN([CF_PROG_EXT], +[ +AC_REQUIRE([CF_CHECK_CACHE]) +case "$cf_cv_system_name" in +(os2*) + CFLAGS="$CFLAGS -Zmt" + CF_APPEND_TEXT(CPPFLAGS,-D__ST_MT_ERRNO__) + CXXFLAGS="$CXXFLAGS -Zmt" + # autoconf's macro sets -Zexe and suffix both, which conflict:w + LDFLAGS="$LDFLAGS -Zmt -Zcrtdll" + ac_cv_exeext=.exe + ;; +esac + +AC_EXEEXT +AC_OBJEXT + +PROG_EXT="$EXEEXT" +AC_SUBST(PROG_EXT) +test -n "$PROG_EXT" && AC_DEFINE_UNQUOTED(PROG_EXT,"$PROG_EXT",[Define to the program extension (normally blank)]) +])dnl +dnl --------------------------------------------------------------------------- +dnl CF_PROG_LINT version: 5 updated: 2022/08/20 15:44:13 +dnl ------------ +AC_DEFUN([CF_PROG_LINT], +[ +AC_CHECK_PROGS(LINT, lint cppcheck splint) +case "x$LINT" in +(xcppcheck|x*/cppcheck) + test -z "$LINT_OPTS" && LINT_OPTS="--enable=all" + ;; +esac +AC_SUBST(LINT_OPTS) +AC_SUBST(LINT_LIBS) +])dnl +dnl --------------------------------------------------------------------------- +dnl CF_PROG_RANLIB version: 1 updated: 2009/01/01 20:15:22 +dnl -------------- +dnl Check for ranlib. +dnl +dnl TODO: make this conditionally depend on autoconf version, since the later +dnl versions of autoconf use check-tool. +AC_DEFUN([CF_PROG_RANLIB],[ +AC_CHECK_TOOL(RANLIB, ranlib, ':') +]) +dnl --------------------------------------------------------------------------- +dnl CF_PW_GECOS version: 4 updated: 2023/12/17 10:59:59 +dnl ----------- +dnl Check if the passwd-struct defines the '.pw_gecos' member (useful +dnl in decoding user names). +AC_DEFUN([CF_PW_GECOS], +[ +AC_CACHE_CHECK([for passwd.pw_gecos], cf_cv_pw_gecos,[ + AC_TRY_COMPILE([ +#include <pwd.h> +],[ + static struct passwd foo; + char *bar = foo.pw_gecos; + (void)bar], + [cf_cv_pw_gecos=yes], + [cf_cv_pw_gecos=no])]) +test $cf_cv_pw_gecos = no && AC_DEFINE(DONT_HAVE_PW_GECOS,1,[Define this to 1 if passwd struct has .pw_gecos]) +])dnl +dnl --------------------------------------------------------------------------- +dnl CF_RECHECK_FUNC version: 3 updated: 2000/10/18 19:29:13 +dnl --------------- +dnl Re-check on a function to see if we can pick it up by adding a library. +dnl $1 = function to check +dnl $2 = library to check in +dnl $3 = environment to update (e.g., $LIBS) +dnl $4 = what to do if this fails +dnl +dnl This uses 'unset' if the shell happens to support it, but leaves the +dnl configuration variable set to 'unknown' if not. This is a little better +dnl than the normal autoconf test, which gives misleading results if a test +dnl for the function is made (e.g., with AC_CHECK_FUNC) after this macro is +dnl used (autoconf does not distinguish between a null token and one that is +dnl set to 'no'). +AC_DEFUN([CF_RECHECK_FUNC],[ +AC_CHECK_LIB($2,$1,[ + CF_UPPER(cf_tr_func,$1) + AC_DEFINE_UNQUOTED(HAVE_$cf_tr_func) + ac_cv_func_$1=yes + if test "$cf_used_lib_$2" != yes ; then cf_used_lib_$2=yes; $3="-l$2 [$]$3"; fi],[ + ac_cv_func_$1=unknown + unset ac_cv_func_$1 2>/dev/null + $4], + [[$]$3]) +])dnl +dnl --------------------------------------------------------------------------- +dnl CF_REMOVE_BROKEN version: 4 updated: 2012/11/08 20:57:52 +dnl ---------------- +dnl Check for broken definition of 'remove()'. This is (in particular) broken +dnl on the older version of SCO (I'd cite version if I knew where to look) by +dnl having <stdio.h> #define remove to __unlink, which appears in no library. +dnl +dnl Fortuitously, we can combine this with a more general test: do we have +dnl 'unlink()' but no 'remove()'. Note, however, that we cannot simply #define +dnl remove to unlink, but have to make a fallback function. +dnl +AC_DEFUN([CF_REMOVE_BROKEN], +[ +AC_MSG_CHECKING(for broken/missing definition of remove) +AC_CACHE_VAL(cf_cv_baddef_remove,[ +AC_TRY_LINK( + [#include <stdio.h>], + [remove("dummy")], + [cf_cv_baddef_remove=no], + [AC_TRY_LINK( + [#include <stdio.h> + int __unlink(name) { return unlink(name); } ], + [remove("dummy")], + [cf_cv_baddef_remove=yes], + [cf_cv_baddef_remove=unknown]) + ]) +]) +AC_MSG_RESULT($cf_cv_baddef_remove) +test "$cf_cv_baddef_remove" != no && AC_DEFINE(NEED_REMOVE,1,[Define to 1 if we should use remove rather than unlink]) +])dnl +dnl --------------------------------------------------------------------------- +dnl CF_REMOVE_CFLAGS version: 3 updated: 2021/09/05 17:25:40 +dnl ---------------- +dnl Remove a given option from CFLAGS/CPPFLAGS +dnl $1 = option to remove +dnl $2 = variable to update +dnl $3 = nonempty to allow verbose message +define([CF_REMOVE_CFLAGS], +[ +cf_tmp_cflag=`echo "x$1" | sed -e 's/^.//' -e 's/=.*//'` +while true +do + cf_old_cflag=`echo "x[$]$2" | sed -e 's/^.//' -e 's/[[ ]][[ ]]*-/ -/g' -e "s%$cf_tmp_cflag\\(=[[^ ]][[^ ]]*\\)\?%%" -e 's/^[[ ]]*//' -e 's%[[ ]][[ ]]*-D% -D%g' -e 's%[[ ]][[ ]]*-I% -I%g'` + test "[$]$2" != "$cf_old_cflag" || break + ifelse([$3],,,[CF_VERBOSE(removing old option $1 from $2)]) + $2="$cf_old_cflag" +done +])dnl +dnl --------------------------------------------------------------------------- +dnl CF_REMOVE_DEFINE version: 3 updated: 2010/01/09 11:05:50 +dnl ---------------- +dnl Remove all -U and -D options that refer to the given symbol from a list +dnl of C compiler options. This works around the problem that not all +dnl compilers process -U and -D options from left-to-right, so a -U option +dnl cannot be used to cancel the effect of a preceding -D option. +dnl +dnl $1 = target (which could be the same as the source variable) +dnl $2 = source (including '$') +dnl $3 = symbol to remove +define([CF_REMOVE_DEFINE], +[ +$1=`echo "$2" | \ + sed -e 's/-[[UD]]'"$3"'\(=[[^ ]]*\)\?[[ ]]/ /g' \ + -e 's/-[[UD]]'"$3"'\(=[[^ ]]*\)\?[$]//g'` +])dnl +dnl --------------------------------------------------------------------------- +dnl CF_RESTORE_XTRA_FLAGS version: 1 updated: 2020/01/11 16:47:45 +dnl --------------------- +dnl Restore flags saved in CF_SAVE_XTRA_FLAGS +dnl $1 = name of current macro +define([CF_RESTORE_XTRA_FLAGS], +[ +LIBS="$cf_save_LIBS_$1" +CFLAGS="$cf_save_CFLAGS_$1" +CPPFLAGS="$cf_save_CPPFLAGS_$1" +])dnl +dnl --------------------------------------------------------------------------- +dnl CF_RPATH_HACK version: 13 updated: 2021/01/03 18:30:50 +dnl ------------- +AC_DEFUN([CF_RPATH_HACK], +[AC_REQUIRE([AC_PROG_FGREP])dnl +AC_REQUIRE([CF_LD_RPATH_OPT])dnl + +AC_MSG_CHECKING(for updated LDFLAGS) +if test -n "$LD_RPATH_OPT" ; then + AC_MSG_RESULT(maybe) + + AC_CHECK_PROGS(cf_ldd_prog,ldd,no) + cf_rpath_list="/usr/lib /lib" + if test "$cf_ldd_prog" != no + then + cf_rpath_oops= + +AC_TRY_LINK([#include <stdio.h>], + [printf("Hello");], + [cf_rpath_oops=`"$cf_ldd_prog" "conftest$ac_exeext" | ${FGREP-fgrep} ' not found' | sed -e 's% =>.*$%%' |sort | uniq` + cf_rpath_list=`"$cf_ldd_prog" "conftest$ac_exeext" | ${FGREP-fgrep} / | sed -e 's%^.*[[ ]]/%/%' -e 's%/[[^/]][[^/]]*$%%' |sort | uniq`]) + + # If we passed the link-test, but get a "not found" on a given library, + # this could be due to inept reconfiguration of gcc to make it only + # partly honor /usr/local/lib (or whatever). Sometimes this behavior + # is intentional, e.g., installing gcc in /usr/bin and suppressing the + # /usr/local libraries. + if test -n "$cf_rpath_oops" + then + for cf_rpath_src in $cf_rpath_oops + do + for cf_rpath_dir in \ + /usr/local \ + /usr/pkg \ + /opt/sfw + do + if test -f "$cf_rpath_dir/lib/$cf_rpath_src" + then + CF_VERBOSE(...adding -L$cf_rpath_dir/lib to LDFLAGS for $cf_rpath_src) + LDFLAGS="$LDFLAGS -L$cf_rpath_dir/lib" + break + fi + done + done + fi + fi + + CF_VERBOSE(...checking EXTRA_LDFLAGS $EXTRA_LDFLAGS) + + CF_RPATH_HACK_2(LDFLAGS) + CF_RPATH_HACK_2(LIBS) + + CF_VERBOSE(...checked EXTRA_LDFLAGS $EXTRA_LDFLAGS) +else + AC_MSG_RESULT(no) +fi +AC_SUBST(EXTRA_LDFLAGS) +])dnl +dnl --------------------------------------------------------------------------- +dnl CF_RPATH_HACK_2 version: 8 updated: 2021/01/01 13:31:04 +dnl --------------- +dnl Do one set of substitutions for CF_RPATH_HACK, adding an rpath option to +dnl EXTRA_LDFLAGS for each -L option found. +dnl +dnl $cf_rpath_list contains a list of directories to ignore. +dnl +dnl $1 = variable name to update. The LDFLAGS variable should be the only one, +dnl but LIBS often has misplaced -L options. +AC_DEFUN([CF_RPATH_HACK_2], +[ +CF_VERBOSE(...checking $1 [$]$1) + +cf_rpath_dst= +for cf_rpath_src in [$]$1 +do + case "$cf_rpath_src" in + (-L*) + + # check if this refers to a directory which we will ignore + cf_rpath_skip=no + if test -n "$cf_rpath_list" + then + for cf_rpath_item in $cf_rpath_list + do + if test "x$cf_rpath_src" = "x-L$cf_rpath_item" + then + cf_rpath_skip=yes + break + fi + done + fi + + if test "$cf_rpath_skip" = no + then + # transform the option + if test "$LD_RPATH_OPT" = "-R " ; then + cf_rpath_tmp=`echo "$cf_rpath_src" |sed -e "s%-L%-R %"` + else + cf_rpath_tmp=`echo "$cf_rpath_src" |sed -e "s%-L%$LD_RPATH_OPT%"` + fi + + # if we have not already added this, add it now + cf_rpath_tst=`echo "$EXTRA_LDFLAGS" | sed -e "s%$cf_rpath_tmp %%"` + if test "x$cf_rpath_tst" = "x$EXTRA_LDFLAGS" + then + CF_VERBOSE(...Filter $cf_rpath_src ->$cf_rpath_tmp) + EXTRA_LDFLAGS="$cf_rpath_tmp $EXTRA_LDFLAGS" + fi + fi + ;; + esac + cf_rpath_dst="$cf_rpath_dst $cf_rpath_src" +done +$1=$cf_rpath_dst + +CF_VERBOSE(...checked $1 [$]$1) +AC_SUBST(EXTRA_LDFLAGS) +])dnl +dnl --------------------------------------------------------------------------- +dnl CF_SAVE_XTRA_FLAGS version: 1 updated: 2020/01/11 16:46:44 +dnl ------------------ +dnl Use this macro to save CFLAGS/CPPFLAGS/LIBS before checks against X headers +dnl and libraries which do not update those variables. +dnl +dnl $1 = name of current macro +define([CF_SAVE_XTRA_FLAGS], +[ +cf_save_LIBS_$1="$LIBS" +cf_save_CFLAGS_$1="$CFLAGS" +cf_save_CPPFLAGS_$1="$CPPFLAGS" +LIBS="$LIBS ${X_PRE_LIBS} ${X_LIBS} ${X_EXTRA_LIBS}" +for cf_X_CFLAGS in $X_CFLAGS +do + case "x$cf_X_CFLAGS" in + x-[[IUD]]*) + CPPFLAGS="$CPPFLAGS $cf_X_CFLAGS" + ;; + *) + CFLAGS="$CFLAGS $cf_X_CFLAGS" + ;; + esac +done +])dnl +dnl --------------------------------------------------------------------------- +dnl CF_SET_ERRNO version: 7 updated: 2023/01/05 17:57:28 +dnl ------------ +dnl Check if 'errno' is declared in a fashion that lets us set it. +AC_DEFUN([CF_SET_ERRNO], +[ +AC_CACHE_CHECK(if we can set errno,cf_cv_set_errno,[ +AC_TRY_RUN([ +$ac_includes_default + +#include <errno.h> + +int main(void) +{ + errno = 255; + ${cf_cv_main_return:-return}(errno != 255); +}], + [cf_cv_set_errno=yes], + [cf_cv_set_errno=no], + [AC_TRY_LINK( + [#include <errno.h>], + [errno = 255], + [cf_cv_set_errno=maybe], + [cf_cv_set_errno=no])]) +]) +test "$cf_cv_set_errno" != no && AC_DEFINE(CAN_SET_ERRNO,1,[Define to 1 if we can set errno]) +])dnl +dnl --------------------------------------------------------------------------- +dnl CF_SIGWINCH version: 7 updated: 2023/02/18 17:41:25 +dnl ----------- +dnl Use this macro after CF_XOPEN_SOURCE, but do not require it (not all +dnl programs need this test). +dnl +dnl This is really a Mac OS X 10.4.3 workaround. Defining _POSIX_C_SOURCE +dnl forces SIGWINCH to be undefined (breaks xterm, ncurses). Oddly, the struct +dnl winsize declaration is left alone - we may revisit this if Apple choose to +dnl break that part of the interface as well. +AC_DEFUN([CF_SIGWINCH], +[ +AC_CACHE_CHECK(if SIGWINCH is defined,cf_cv_define_sigwinch,[ + AC_TRY_COMPILE([ +#include <sys/types.h> +#include <sys/signal.h> +],[int x = SIGWINCH; (void)x], + [cf_cv_define_sigwinch=yes], + [AC_TRY_COMPILE([ +#undef _XOPEN_SOURCE +#undef _POSIX_SOURCE +#undef _POSIX_C_SOURCE +#include <sys/types.h> +#include <sys/signal.h> +],[int x = SIGWINCH; (void)x], + [cf_cv_define_sigwinch=maybe], + [cf_cv_define_sigwinch=no]) +]) +]) + +if test "$cf_cv_define_sigwinch" = maybe ; then +AC_CACHE_CHECK(for actual SIGWINCH definition,cf_cv_fixup_sigwinch,[ +cf_cv_fixup_sigwinch=unknown +cf_sigwinch=32 +while test "$cf_sigwinch" != 1 +do + AC_TRY_COMPILE([ +#undef _XOPEN_SOURCE +#undef _POSIX_SOURCE +#undef _POSIX_C_SOURCE +#include <sys/types.h> +#include <sys/signal.h> +],[ +#if SIGWINCH != $cf_sigwinch +#error SIGWINCH is not $cf_sigwinch +#endif +int x = SIGWINCH; (void)x], + [cf_cv_fixup_sigwinch=$cf_sigwinch + break]) + +cf_sigwinch="`expr "$cf_sigwinch" - 1`" +done +]) + + if test "$cf_cv_fixup_sigwinch" != unknown ; then + CPPFLAGS="$CPPFLAGS -DSIGWINCH=$cf_cv_fixup_sigwinch" + fi +fi +])dnl +dnl --------------------------------------------------------------------------- +dnl CF_SIZECHANGE version: 18 updated: 2021/09/04 06:35:04 +dnl ------------- +dnl Check for definitions & structures needed for window size-changing +dnl +dnl https://stackoverflow.com/questions/18878141/difference-between-structures-ttysize-and-winsize/50769952#50769952 +AC_DEFUN([CF_SIZECHANGE], +[ +AC_REQUIRE([CF_STRUCT_TERMIOS]) +AC_CACHE_CHECK(declaration of size-change, cf_cv_sizechange,[ + cf_cv_sizechange=unknown + cf_save_CPPFLAGS="$CPPFLAGS" + +for cf_opts in "" "NEED_PTEM_H" +do + + CPPFLAGS="$cf_save_CPPFLAGS" + if test -n "$cf_opts" + then + CF_APPEND_TEXT(CPPFLAGS,-D$cf_opts) + fi + AC_TRY_COMPILE([#include <sys/types.h> +#ifdef HAVE_TERMIOS_H +#include <termios.h> +#else +#ifdef HAVE_TERMIO_H +#include <termio.h> +#endif +#endif + +#ifdef NEED_PTEM_H +/* This is a workaround for SCO: they neglected to define struct winsize in + * termios.h -- it is only in termio.h and ptem.h + */ +#include <sys/stream.h> +#include <sys/ptem.h> +#endif + +#ifdef HAVE_SYS_IOCTL_H +#include <sys/ioctl.h> +#endif +],[ +#ifdef TIOCGSIZE + struct ttysize win; /* SunOS 3.0... */ + int y = win.ts_lines = 2; + int x = win.ts_cols = 1; + (void)y; + (void)x; +#else +#ifdef TIOCGWINSZ + struct winsize win; /* everything else */ + int y = win.ws_row = 2; + int x = win.ws_col = 1; + (void)y; + (void)x; +#else + no TIOCGSIZE or TIOCGWINSZ +#endif /* TIOCGWINSZ */ +#endif /* TIOCGSIZE */ + ], + [cf_cv_sizechange=yes], + [cf_cv_sizechange=no]) + + CPPFLAGS="$cf_save_CPPFLAGS" + if test "$cf_cv_sizechange" = yes ; then + echo "size-change succeeded ($cf_opts)" >&AC_FD_CC + test -n "$cf_opts" && cf_cv_sizechange="$cf_opts" + break + fi +done +]) +if test "$cf_cv_sizechange" != no ; then + AC_DEFINE(HAVE_SIZECHANGE,1,[Define to 1 if sizechange declarations are provided]) + case "$cf_cv_sizechange" in + (NEED*) + AC_DEFINE_UNQUOTED($cf_cv_sizechange ) + ;; + esac +fi +])dnl +dnl --------------------------------------------------------------------------- +dnl CF_SLANG_CPPFLAGS version: 14 updated: 2023/01/24 04:22:19 +dnl ----------------- +dnl Look for the slang header files in the standard places, adjusting the +dnl CPPFLAGS variable. +dnl +dnl $1 = parameter to search for "slang2" class, e.g., for pkgsrc. +AC_DEFUN([CF_SLANG_CPPFLAGS], +[AC_REQUIRE([AC_PROG_EGREP])dnl + +AC_CACHE_CHECK(for $1 header file,cf_cv_$1_header,[ + cf_cv_$1_header=no + AC_TRY_COMPILE([#include <slang.h>], + [printf("%s\\n", SLANG_VERSION_STRING)], + [cf_cv_$1_header=predefined],[ + CF_HEADER_PATH(cf_search,$1) + for cf_incdir in $cf_search + do + for cf_header in \ + slang.h + do + echo trying "$cf_incdir/$cf_header" 1>&AC_FD_CC + if ${EGREP-egrep} "SLANG_VERSION" "$cf_incdir/$cf_header" 1>&AC_FD_CC 2>&1; then + cf_cv_$1_header=$cf_incdir/$cf_header + break + fi + done + test "$cf_cv_$1_header" != no && break + done + ])]) + +if test "x$cf_cv_$1_header" != xno +then + AC_DEFINE(USE_SLANG,1,[Define to 1 if we should use s-lang library]) + + CF_DIRNAME(cf_incdir,$cf_cv_$1_header) + + case "$cf_cv_$1_header" in + (predefined) + ;; + (*) + CF_ADD_INCDIR($cf_incdir) + ;; + esac +fi +])dnl +dnl --------------------------------------------------------------------------- +dnl CF_SLANG_LIBS version: 10 updated: 2021/01/02 09:31:20 +dnl ------------- +dnl Look for the slang library. +dnl +dnl $1 = the actual library name, usually "slang" +AC_DEFUN([CF_SLANG_LIBS], +[ +cf_slang_LIBS1="$LIBS" +CF_TERMCAP_LIBS +cf_slang_LIBS2="$LIBS" +AC_CHECK_FUNC(acos,,[CF_RECHECK_FUNC(acos,m,LIBS)]) +case "$host_os" in +(os2*) + CF_FIND_LIBRARY(video,video, + [#include <sys/video.h>], + [v_init()], + v_init) + ;; +esac +CF_FIND_LIBRARY($1,$1, + [#include <slang.h>], + [SLtt_get_screen_size()], + SLtt_get_screen_size) +cf_slang_LIBS3="$LIBS" +AC_MSG_CHECKING(if we can link $1 without termcap) +if test -n "`echo "$cf_slang_LIBS1" | sed -e 's/ //g'`" ; then + cf_exclude=`echo ".$cf_slang_LIBS2" | sed -e "s%$cf_slang_LIBS1%%" -e 's%^.%%'` +else + cf_exclude="$cf_slang_LIBS2" +fi +LIBS=`echo ".$cf_slang_LIBS3" | sed -e "s%$cf_exclude%%" -e 's%^.%%'` +AC_TRY_LINK([#include <slang.h>], + [SLtt_get_screen_size()], + [cf_result=yes], + [cf_result=no]) +AC_MSG_RESULT($cf_result) +test "$cf_result" = no && LIBS="$cf_slang_LIBS3" +])dnl +dnl --------------------------------------------------------------------------- +dnl CF_SLANG_UNIX_DEFS version: 8 updated: 2024/01/07 06:54:12 +dnl ------------------ +dnl Slang's header files rely on some predefined symbols to declare variables +dnl that we might find useful. This check is needed, because those symbols +dnl are generally not available. +AC_DEFUN([CF_SLANG_UNIX_DEFS], +[ + +CF_SLANG_CPPFLAGS(slang) +if test "x$cf_cv_slang_header" != xno +then + CF_SLANG_LIBS(slang) +else + CF_SLANG_CPPFLAGS(slang2) + if test "x$cf_cv_slang2_header" != xno + then + CF_SLANG_LIBS(slang2) + else + AC_MSG_ERROR(cannot find slang headers) + fi +fi + +# There's an unofficial set of patches for slang that gives it some limited +# UTF8 capability. Unfortunately it won't compile unless one defines UTF8. +AC_CACHE_CHECK(if we must define UTF8,cf_cv_slang_utf8,[ + AC_TRY_COMPILE([#include <slang.h>], + [SLtt_get_screen_size()], + [cf_cv_slang_utf8=no], + [ + AC_TRY_COMPILE([ +#define UTF8 +#include <slang.h>], + [SLtt_get_screen_size()], + [cf_cv_slang_utf8=yes], + [cf_cv_slang_utf8=unknown])]) +]) + +if test "$cf_cv_slang_utf8" = yes ; then + AC_DEFINE(UTF8,1,[Define to 1 if we must define UTF-8 for s-lang headers]) +fi + +AC_CACHE_CHECK(if we must tell slang this is UNIX,cf_cv_slang_unix,[ +AC_TRY_LINK([#include <slang.h>], + [ +#ifdef REAL_UNIX_SYSTEM +#error this may not be a "real" unix system +#else +extern int SLang_TT_Baud_Rate; +SLang_TT_Baud_Rate = 1 +#endif +], + [cf_cv_slang_unix=yes], + [cf_cv_slang_unix=no]) +]) +test "$cf_cv_slang_unix" = yes && AC_DEFINE(REAL_UNIX_SYSTEM,1,[Define to 1 if we must define REAL_UNIX_SYSTEM to compile with s-lang headers]) + +CF_CHECK_TYPE(SLsmg_Color_Type,int,[#include <slang.h>]) +CF_CHECK_TYPE(SLtt_Char_Type,unsigned long,[#include <slang.h>]) +])dnl +dnl --------------------------------------------------------------------------- +dnl CF_SOCKS version: 9 updated: 2012/11/08 20:57:52 +dnl -------- +dnl Check for socks library +dnl $1 = the [optional] directory in which the library may be found +AC_DEFUN([CF_SOCKS],[ + CF_ADD_OPTIONAL_PATH($1, [socks library]) + CF_FIND_LINKAGE([ +#include <stdio.h> +],[ + Raccept((char *)0) +], + socks) + + if test "x$cf_cv_find_linkage_socks" = "xyes" ; then + AC_DEFINE(SOCKS,1,[Define to 1 if we are using socks library]) + + AC_DEFINE(accept,Raccept,[Define to override function name if using socks library]) + AC_DEFINE(bind,Rbind,[Define to override function name if using socks library]) + AC_DEFINE(connect,Rconnect,[Define to override function name if using socks library]) + AC_DEFINE(getpeername,Rgetpeername,[Define to override function name if using socks library]) + AC_DEFINE(getsockname,Rgetsockname,[Define to override function name if using socks library]) + AC_DEFINE(listen,Rlisten,[Define to override function name if using socks library]) + AC_DEFINE(recvfrom,Rrecvfrom,[Define to override function name if using socks library]) + AC_DEFINE(select,Rselect,[Define to override function name if using socks library]) + else + AC_MSG_ERROR(cannot link with socks library) + fi +])dnl +dnl --------------------------------------------------------------------------- +dnl CF_SOCKS5 version: 12 updated: 2012/11/08 20:57:52 +dnl --------- +dnl Check for socks5 configuration +dnl $1 = the [optional] directory in which the library may be found +AC_DEFUN([CF_SOCKS5],[ + CF_ADD_OPTIONAL_PATH($1, [socks5 library]) + +CF_ADD_LIBS(-lsocks5) + +AC_DEFINE(USE_SOCKS5,1,[Define to 1 if we are using socks5 library]) +AC_DEFINE(SOCKS,1,[Define to 1 if we are using socks library]) + +AC_MSG_CHECKING(if the socks library uses socks4 prefix) +cf_use_socks4=error +AC_TRY_LINK([ +#include <socks.h>],[ + Rinit((char *)0)], + [AC_DEFINE(USE_SOCKS4_PREFIX,1,[Define to 1 if socks library uses socks4 prefix]) + cf_use_socks4=yes], + [AC_TRY_LINK([#include <socks.h>], + [SOCKSinit((char *)0)], + [cf_use_socks4=no], + [AC_MSG_ERROR(Cannot link with socks5 library)])]) +AC_MSG_RESULT($cf_use_socks4) + +if test "$cf_use_socks4" = "yes" ; then + AC_DEFINE(accept,Raccept) + AC_DEFINE(bind,Rbind) + AC_DEFINE(connect,Rconnect) + AC_DEFINE(getpeername,Rgetpeername) + AC_DEFINE(getsockname,Rgetsockname) + AC_DEFINE(listen,Rlisten) + AC_DEFINE(recvfrom,Rrecvfrom) + AC_DEFINE(select,Rselect) +else + AC_DEFINE(accept,SOCKSaccept) + AC_DEFINE(getpeername,SOCKSgetpeername) + AC_DEFINE(getsockname,SOCKSgetsockname) + AC_DEFINE(recvfrom,SOCKSrecvfrom) +fi + +AC_MSG_CHECKING(if socks5p.h is available) +AC_TRY_COMPILE([ +#define INCLUDE_PROTOTYPES +#include <socks.h>],[ + init((char *)0)], + [cf_use_socks5p_h=yes], + [cf_use_socks5p_h=no]) +AC_MSG_RESULT($cf_use_socks5p_h) + +test "$cf_use_socks5p_h" = yes && AC_DEFINE(INCLUDE_PROTOTYPES,1,[Define to 1 if needed to declare prototypes in socks headers]) +])dnl +dnl --------------------------------------------------------------------------- +dnl CF_SRAND version: 20 updated: 2024/01/07 06:54:12 +dnl -------- +dnl Check for functions similar to srand() and rand(). lrand48() and random() +dnl return a 31-bit value, while rand() returns a value less than RAND_MAX +dnl which usually is only 16-bits. +dnl +dnl On MirOS, use arc4random_push() and arc4random(). +dnl Some systems support an asymmetric variation of this interface. +dnl +dnl $1 = optional prefix for resulting shell variables. The default "my_" +dnl gives $my_srand and $my_rand to the caller, as well as MY_RAND_MAX. +dnl These are all AC_SUBST'd and AC_DEFINE'd. +AC_DEFUN([CF_SRAND],[ +AC_CHECK_HEADERS(limits.h) +AC_CHECK_FUNC(arc2random,,[AC_CHECK_LIB(bsd,arc4random,CF_ADD_LIB(bsd))]) +AC_CACHE_CHECK(for random-integer functions, cf_cv_srand_func,[ +cf_cv_srand_func=unknown +for cf_func in arc4random_push/arc4random arc4random_stir/arc4random srandom/random srand48/lrand48 srand/rand +do + CF_SRAND_PARSE($cf_func,cf_srand_func,cf_rand_func) + +AC_TRY_LINK([ +$ac_includes_default +#ifdef HAVE_LIMITS_H +#include <limits.h> +#endif +],[long seed = 1; $cf_srand_func(seed); seed = $cf_rand_func(); (void)seed], +[cf_cv_srand_func=$cf_func + break]) +done +]) +if test "$cf_cv_srand_func" != unknown ; then + AC_CACHE_CHECK(for range of random-integers, cf_cv_rand_max,[ + case "$cf_cv_srand_func" in + (srand/rand) + cf_cv_rand_max=RAND_MAX + cf_rand_max=16 + ;; + (*/arc4random) + cf_cv_rand_max=0xFFFFFFFFUL + cf_rand_max=32 + ;; + (*) + cf_cv_rand_max=INT_MAX + cf_rand_max=31 + ;; + esac + AC_TRY_COMPILE([ +$ac_includes_default +#ifdef HAVE_LIMITS_H +#include <limits.h> +#endif + ],[long x = $cf_cv_rand_max; (void)x],, + [cf_cv_rand_max="(1UL<<$cf_rand_max)-1"]) + ]) + + case "$cf_cv_srand_func" in + (*/arc4random) + AC_MSG_CHECKING(if <bsd/stdlib.h> should be included) + AC_TRY_COMPILE([ +$ac_includes_default +#ifdef HAVE_LIMITS_H +#include <limits.h> +#endif +#include <bsd/stdlib.h>], + [void *arc4random(int); + void *x = arc4random(1); (void)x], + [cf_bsd_stdlib_h=no], + [AC_TRY_COMPILE([ +$ac_includes_default +#ifdef HAVE_LIMITS_H +#include <limits.h> +#endif +#include <bsd/stdlib.h>], + [unsigned long x = arc4random(); (void)x], + [cf_bsd_stdlib_h=yes], + [cf_bsd_stdlib_h=no])]) + AC_MSG_RESULT($cf_bsd_stdlib_h) + if test "$cf_bsd_stdlib_h" = yes + then + AC_DEFINE(HAVE_BSD_STDLIB_H,1,[Define to 1 if bsd/stdlib.h header should be used]) + else + AC_MSG_CHECKING(if <bsd/random.h> should be included) + AC_TRY_COMPILE([ +$ac_includes_default +#ifdef HAVE_LIMITS_H +#include <limits.h> +#endif +#include <bsd/random.h>], + [void *arc4random(int); + void *x = arc4random(1); (void)x], + [cf_bsd_random_h=no], + [AC_TRY_COMPILE([#include <bsd/random.h>], + [unsigned long x = arc4random(); (void)x], + [cf_bsd_random_h=yes], + [cf_bsd_random_h=no])]) + AC_MSG_RESULT($cf_bsd_random_h) + if test "$cf_bsd_random_h" = yes + then + AC_DEFINE(HAVE_BSD_RANDOM_H,1,[Define to 1 if bsd/random.h header should be used]) + else + AC_MSG_WARN(no header file found for arc4random) + fi + fi + ;; + esac + + CF_SRAND_PARSE($cf_func,cf_srand_func,cf_rand_func) + + CF_UPPER(cf_rand_max,ifelse($1,,my_,$1)rand_max) + AC_DEFINE_UNQUOTED(ifelse($1,,my_,$1)srand,$cf_srand_func,[Define to the name for the srand function]) + AC_DEFINE_UNQUOTED(ifelse($1,,my_,$1)rand, $cf_rand_func,[Define to the name for the rand function]) + AC_DEFINE_UNQUOTED([$]cf_rand_max, $cf_cv_rand_max,[Define to the name for the RAND_MAX constant]) +fi +])dnl +dnl --------------------------------------------------------------------------- +dnl CF_SRAND_PARSE version: 2 updated: 2015/04/15 19:08:48 +dnl -------------- +dnl Parse the loop variable for CF_SRAND, with a workaround for asymmetric +dnl variations. +define([CF_SRAND_PARSE],[ + $2=`echo $1 | sed -e 's%/.*%%'` + $3=`echo $1 | sed -e 's%.*/%%'` + + case [$]$2 in + (arc4random_stir) + $2='(void)' + ;; + esac +])dnl +dnl --------------------------------------------------------------------------- +dnl CF_SSL version: 26 updated: 2021/01/02 09:31:20 +dnl ------ +dnl Check for ssl library +dnl $1 = [optional] directory in which the library may be found, set by AC_ARG_WITH +AC_DEFUN([CF_SSL],[ + AC_REQUIRE([CF_PKG_CONFIG]) + cf_cv_have_ssl=no + cf_cv_pkg_config_ssl=no + + # command-line option, etc., override default behavior + CF_ADD_OPTIONAL_PATH($1, [ssl library]) + + if test "x$PKG_CONFIG" != xnone; then + case "$1" in + (no) + ;; + (yes) # if no explicit directory given, try pkg-config + cf_cv_pkg_ssl= + for cf_try_package in openssl libssl + do + AC_MSG_CHECKING(pkg-config for $cf_try_package) + if "$PKG_CONFIG" --exists $cf_try_package ; then + cf_cv_pkg_ssl=$cf_try_package + AC_MSG_RESULT(yes) + break + else + AC_MSG_RESULT(no) + fi + done + if test -n "$cf_cv_pkg_ssl" ; then + cf_cv_have_ssl=yes + cf_cv_pkg_config_ssl=yes + + cf_cflags_ssl=`$PKG_CONFIG --cflags $cf_cv_pkg_ssl` + cf_libs_ssl=`$PKG_CONFIG --libs $cf_cv_pkg_ssl` + + if test -n "$cf_cflags_ssl" ; then + case "$cf_cflags_ssl" in + (*-I*) + cf_cv_header_path_ssl=`echo "$cf_cflags_ssl" | sed -e 's/^.*-I//' -e 's/ .*//'` + ;; + (*) + cf_cv_header_path_ssl=/usr/include + ;; + esac + CF_ADD_CFLAGS($cf_cflags_ssl) + + # workaround for broken openssl package using kerberos + case "$cf_cflags_ssl" in + (*kerberos*) + cf_cv_have_ssl=maybe + ;; + esac + else + cf_cv_header_path_ssl=/usr/include + fi + + if test -d "$cf_cv_header_path_ssl/openssl" ; then + cf_cv_header_path_ssl=$cf_cv_header_path_ssl/openssl + fi + + if test -n "$cf_libs_ssl" ; then + case "x$cf_libs_ssl" in + (*-L*) + cf_cv_library_path_ssl=`echo "$cf_libs_ssl" | sed -e 's/^.*-L//' -e 's/ .*//'` + ;; + (*) + cf_cv_library_path_ssl=/usr/lib + ;; + esac + CF_VERBOSE(adding $cf_libs_ssl to LIBS) + CF_ADD_LIBS($cf_libs_ssl) + fi + fi + ;; + esac + fi + + if test "$cf_cv_have_ssl" != yes; then + case "$host_os" in + (mingw*) + cf_extra_ssl_libs="-lcrypto -lgdi32" + ;; + (*) + # openssl 0.9.6 and up use dynamic loading for engines. + cf_extra_ssl_libs="-lcrypto" + case "x$LIBS" in + (*-ldl) + ;; + (*) + AC_CHECK_LIB(dl,dlsym, + [cf_extra_ssl_libs="$cf_extra_ssl_libs -ldl"]) + ;; + esac + ;; + esac + + CF_FIND_LINKAGE(CF__SSL_HEAD, + CF__SSL_BODY, + ssl, + cf_cv_have_ssl=yes, + cf_cv_have_ssl=no, + openssl, + $cf_extra_ssl_libs) + + if test "$cf_cv_pkg_config_ssl" != yes ; then + if test "$cf_cv_have_ssl" = yes ; then + if test -n "$cf_cv_library_path_ssl" ; then + CF_ADD_LIBDIR($cf_cv_library_path_ssl) + fi + CF_ADD_LIBS(-lssl $cf_extra_ssl_libs) + if test -n "$cf_cv_header_path_ssl" ; then + case "$cf_cv_header_path_ssl" in + (/usr/include/openssl) + ;; + (*) + CF_ADD_INCDIR($cf_cv_header_path_ssl) + ;; + esac + fi + fi + fi + fi + + if test "$cf_cv_have_ssl" = yes ; then + AC_DEFINE(USE_SSL,1,[Define to 1 if we are using SSL]) + if test -n "$cf_cv_header_path_ssl" ; then + CF_VERBOSE(checking ssl header-path $cf_cv_header_path_ssl) + case "$cf_cv_header_path_ssl" in + (*/openssl) + AC_DEFINE(USE_OPENSSL_INCL,1,[Define to 1 if we are using OpenSSL headers]) + ;; + esac + fi + CF_CHECK_SSL_X509 + fi +])dnl +dnl --------------------------------------------------------------------------- +dnl CF_STRIP_G_OPT version: 4 updated: 2021/01/02 09:31:20 +dnl -------------- +dnl Remove "-g" option from the compiler options +AC_DEFUN([CF_STRIP_G_OPT], +[$1=`echo "${$1}" | CF__SED_TRIMBLANKS(-e 's%-g %%' -e 's%-g$%%')`])dnl +dnl --------------------------------------------------------------------------- +dnl CF_STRIP_O_OPT version: 4 updated: 2021/01/02 09:31:20 +dnl -------------- +dnl Remove "-O" option from the compiler options +AC_DEFUN([CF_STRIP_O_OPT],[ +$1=`echo "${$1}" | CF__SED_TRIMBLANKS(-e 's%-O[[1-9]]\? %%' -e 's%-O[[1-9]]\?$%%')` +])dnl +dnl --------------------------------------------------------------------------- +dnl CF_STRUCT_TERMIOS version: 13 updated: 2023/12/03 19:38:54 +dnl ----------------- +dnl Some machines require _POSIX_SOURCE to completely define struct termios. +AC_DEFUN([CF_STRUCT_TERMIOS],[ +AC_REQUIRE([CF_XOPEN_SOURCE]) + +AC_CHECK_HEADERS( \ +termio.h \ +termios.h \ +unistd.h \ +sys/ioctl.h \ +sys/termio.h \ +) + +if test "$ac_cv_header_termios_h" = yes ; then + case "$CFLAGS $CPPFLAGS" in + (*-D_POSIX_SOURCE*) + termios_bad=dunno ;; + (*) termios_bad=maybe ;; + esac + if test "$termios_bad" = maybe ; then + AC_MSG_CHECKING(whether termios.h needs _POSIX_SOURCE) + AC_TRY_COMPILE([#include <termios.h>], + [struct termios foo; int x = (int)(foo.c_iflag = 1); (void)x], + termios_bad=no, [ + AC_TRY_COMPILE([ +#define _POSIX_SOURCE +#include <termios.h>], + [struct termios foo; int x = (int)(foo.c_iflag = 2); (void)x], + termios_bad=unknown, + termios_bad=yes AC_DEFINE(_POSIX_SOURCE,1,[Define to 1 if we must define _POSIX_SOURCE])) + ]) + AC_MSG_RESULT($termios_bad) + fi +fi +])dnl +dnl --------------------------------------------------------------------------- +dnl CF_SUBDIR_PATH version: 7 updated: 2014/12/04 04:33:06 +dnl -------------- +dnl Construct a search-list for a nonstandard header/lib-file +dnl $1 = the variable to return as result +dnl $2 = the package name +dnl $3 = the subdirectory, e.g., bin, include or lib +AC_DEFUN([CF_SUBDIR_PATH], +[ +$1= + +CF_ADD_SUBDIR_PATH($1,$2,$3,$prefix,NONE) + +for cf_subdir_prefix in \ + /usr \ + /usr/local \ + /usr/pkg \ + /opt \ + /opt/local \ + [$]HOME +do + CF_ADD_SUBDIR_PATH($1,$2,$3,$cf_subdir_prefix,$prefix) +done +])dnl +dnl --------------------------------------------------------------------------- +dnl CF_SYSTEM_MAIL_FLAGS version: 6 updated: 2021/01/02 09:31:20 +dnl -------------------- +AC_DEFUN([CF_SYSTEM_MAIL_FLAGS], +[ +AC_MSG_CHECKING([system mail flags]) +AC_CACHE_VAL(cf_cv_system_mail_flags,[ + case "$cf_cv_SYSTEM_MAIL" in + (*/mmdf/*) + [cf_cv_system_mail_flags="-mlruxto,cc\\\\*"] + ;; + (*) + [cf_cv_system_mail_flags="-t -oi"] + esac + ]) +AC_MSG_RESULT($cf_cv_system_mail_flags) +AC_DEFINE_UNQUOTED(SYSTEM_MAIL_FLAGS, "$cf_cv_system_mail_flags",[Define to value used for system mail-flags]) +])dnl +dnl --------------------------------------------------------------------------- +dnl CF_SYSV_UTMP version: 7 updated: 2021/01/02 09:31:20 +dnl ------------ +dnl Check if this is a SYSV flavor of UTMP +AC_DEFUN([CF_SYSV_UTMP], +[ +AC_CACHE_CHECK(if $cf_cv_have_utmp is SYSV flavor,cf_cv_sysv_utmp,[ +test "$cf_cv_have_utmp" = "utmp" && cf_prefix="ut" || cf_prefix="utx" +AC_TRY_LINK([ +#include <sys/types.h> +#include <${cf_cv_have_utmp}.h>],[ +struct $cf_cv_have_utmp x; + set${cf_prefix}ent (); + get${cf_prefix}id(&x); + put${cf_prefix}line(&x); + end${cf_prefix}ent();], + [cf_cv_sysv_utmp=yes], + [cf_cv_sysv_utmp=no]) +]) +test "$cf_cv_sysv_utmp" = yes && AC_DEFINE(USE_SYSV_UTMP,1,[Define to 1 if utmp is SYSV flavor]) +])dnl +dnl --------------------------------------------------------------------------- +dnl CF_SYS_ERRLIST version: 6 updated: 2001/12/30 13:03:23 +dnl -------------- +dnl Check for declaration of sys_nerr and sys_errlist in one of stdio.h and +dnl errno.h. Declaration of sys_errlist on BSD4.4 interferes with our +dnl declaration. Reported by Keith Bostic. +AC_DEFUN([CF_SYS_ERRLIST], +[ + CF_CHECK_ERRNO(sys_nerr) + CF_CHECK_ERRNO(sys_errlist) +])dnl +dnl --------------------------------------------------------------------------- +dnl CF_TAR_OPTIONS version: 3 updated: 2015/04/15 19:08:48 +dnl -------------- +dnl This is just a list of the most common tar options, allowing for variants +dnl that can operate with the "-" standard input/output option. +AC_DEFUN([CF_TAR_OPTIONS], +[ +case ifelse($1,,tar,$1) in +(*pax|*pax$EXEEXT) + TAR_UP_OPTIONS="-w" + TAR_DOWN_OPTIONS="-r" + TAR_PIPE_OPTIONS="" + TAR_FILE_OPTIONS="-f" + ;; +(*star|*star$EXEEXT) + TAR_UP_OPTIONS="-c -f" + TAR_DOWN_OPTIONS="-x -U -f" + TAR_PIPE_OPTIONS="-" + TAR_FILE_OPTIONS="" + ;; +(*tar|*tar$EXEEXT) + # FIXME: some versions of tar require, some don't allow the "-" + TAR_UP_OPTIONS="-cf" + TAR_DOWN_OPTIONS="-xf" + TAR_PIPE_OPTIONS="-" + TAR_FILE_OPTIONS="" + ;; +esac + +AC_SUBST(TAR_UP_OPTIONS) +AC_SUBST(TAR_DOWN_OPTIONS) +AC_SUBST(TAR_FILE_OPTIONS) +AC_SUBST(TAR_PIPE_OPTIONS) +])dnl +dnl --------------------------------------------------------------------------- +dnl CF_TERMCAP_LIBS version: 18 updated: 2023/01/14 07:19:05 +dnl --------------- +dnl Look for termcap libraries, or the equivalent in terminfo. +dnl +dnl The optional parameter may be "ncurses", "ncursesw". +AC_DEFUN([CF_TERMCAP_LIBS], +[ +AC_CACHE_VAL(cf_cv_termlib,[ +cf_cv_termlib=none +AC_TRY_LINK( + [extern char *tgoto(const char*,int,int);], + [char *x=tgoto("",0,0); (void)x;], +[AC_TRY_LINK( + [extern char *tigetstr(const char *);], + [char *x=tigetstr(""); (void)x;], + [cf_cv_termlib=terminfo], + [cf_cv_termlib=termcap]) + CF_VERBOSE(using functions in predefined $cf_cv_termlib LIBS) +],[ +ifelse([$1],,,[ +case "$1" in +(ncurses*) + CF_NCURSES_CONFIG($1) + cf_cv_termlib=terminfo + ;; +esac +]) +if test "$cf_cv_termlib" = none; then + # FreeBSD's linker gives bogus results for AC_CHECK_LIB, saying that + # tgetstr lives in -lcurses when it is only an unsatisfied extern. + cf_save_LIBS="$LIBS" + for cf_lib in tinfo curses ncurses termlib termcap + do + LIBS="-l$cf_lib $cf_save_LIBS" + for cf_func in tigetstr tgetstr + do + AC_MSG_CHECKING(for $cf_func in -l$cf_lib) + AC_TRY_LINK( + [extern char *$cf_func(const char *);], + [char *x = $cf_func(""); (void)x], + [cf_result=yes], + [cf_result=no]) + AC_MSG_RESULT($cf_result) + if test "$cf_result" = yes ; then + if test "$cf_func" = tigetstr ; then + cf_cv_termlib=terminfo + else + cf_cv_termlib=termcap + fi + break + fi + done + test "$cf_result" = yes && break + done + test "$cf_result" = no && LIBS="$cf_save_LIBS" +fi +if test "$cf_cv_termlib" = none; then + # allow curses library for broken AIX system. + AC_CHECK_LIB(curses, initscr, [CF_ADD_LIBS(-lcurses)]) + AC_CHECK_LIB(termcap, tgoto, [CF_ADD_LIBS(-ltermcap) cf_cv_termlib=termcap]) +fi +]) +if test "$cf_cv_termlib" = none; then + AC_MSG_WARN([Cannot find -ltermlib, -lcurses, or -ltermcap]) +fi +])])dnl +dnl --------------------------------------------------------------------------- +dnl CF_TERMIO_AND_CURSES version: 7 updated: 2022/12/02 19:55:38 +dnl -------------------- +dnl Check if including termio.h with <curses.h> dies like on sysv68 +dnl +dnl $1 = application header which must include <stdio.h> +dnl $2 = optional, defaulting to config.h +dnl +dnl FIXME: CPPFLAGS is Lynx-specific. +AC_DEFUN([CF_TERMIO_AND_CURSES], +[ +AC_CACHE_CHECK(if we can include termio.h with curses,cf_cv_termio_and_curses,[ + cf_save_CFLAGS="$CPPFLAGS" + CPPFLAGS="$CPPFLAGS -DHAVE_CONFIG_H -I. -I${srcdir:-.} -I${srcdir:-.}/src -I${srcdir:-.}/WWW/Library/Implementation" + touch ifelse([$2],,config.h,[$2]) + AC_TRY_COMPILE([ +#include <$1> +#include <termio.h>], + [putchar(0x0a)], + [cf_cv_termio_and_curses=yes], + [cf_cv_termio_and_curses=no]) + CPPFLAGS="$cf_save_CFLAGS" + rm -f ifelse([$2],,config.h,[$2]) +]) + +test "$cf_cv_termio_and_curses" = yes && AC_DEFINE(TERMIO_AND_CURSES,1,[Define to 1 if we can include termio.h with curses.h]) +])dnl +dnl --------------------------------------------------------------------------- +dnl CF_TERMIO_AND_TERMIOS version: 5 updated: 2022/12/02 19:55:38 +dnl --------------------- +dnl Check if including both termio.h and termios.h die like on DG.UX +AC_DEFUN([CF_TERMIO_AND_TERMIOS], +[ +AC_MSG_CHECKING([termio.h and termios.h]) +AC_CACHE_VAL(cf_cv_termio_and_termios,[ + AC_TRY_COMPILE([ +#include <stdio.h> +#if HAVE_TERMIO_H +#include <termio.h> +#endif +#if HAVE_TERMIOS_H +#include <termios.h> +#endif ], + [putchar (0x0a)], + [cf_cv_termio_and_termios=yes], + [cf_cv_termio_and_termios=no])]) +AC_MSG_RESULT($cf_cv_termio_and_termios) +test "$cf_cv_termio_and_termios" = no && AC_DEFINE(TERMIO_AND_TERMIOS,1,[Define to 1 if we can include termio.h and termios.h]) +])dnl +dnl --------------------------------------------------------------------------- +dnl CF_TERM_HEADER version: 6 updated: 2021/01/02 09:31:20 +dnl -------------- +dnl Look for term.h, which is part of X/Open curses. It defines the interface +dnl to terminfo database. Usually it is in the same include-path as curses.h, +dnl but some packagers change this, breaking various applications. +AC_DEFUN([CF_TERM_HEADER],[ +AC_CACHE_CHECK(for terminfo header, cf_cv_term_header,[ +case "${cf_cv_ncurses_header}" in +(*/ncurses.h|*/ncursesw.h) + cf_term_header=`echo "$cf_cv_ncurses_header" | sed -e 's%ncurses[[^.]]*\.h$%term.h%'` + ;; +(*) + cf_term_header=term.h + ;; +esac + +for cf_test in $cf_term_header "ncurses/term.h" "ncursesw/term.h" +do +AC_TRY_COMPILE([#include <stdio.h> +#include <${cf_cv_ncurses_header:-curses.h}> +#include <$cf_test> +],[int x = auto_left_margin; (void)x],[ + cf_cv_term_header="$cf_test"],[ + cf_cv_term_header=unknown + ]) + test "$cf_cv_term_header" != unknown && break +done +]) + +# Set definitions to allow ifdef'ing to accommodate subdirectories + +case "$cf_cv_term_header" in +(*term.h) + AC_DEFINE(HAVE_TERM_H,1,[Define to 1 if we have term.h]) + ;; +esac + +case "$cf_cv_term_header" in +(ncurses/term.h) + AC_DEFINE(HAVE_NCURSES_TERM_H,1,[Define to 1 if we have ncurses/term.h]) + ;; +(ncursesw/term.h) + AC_DEFINE(HAVE_NCURSESW_TERM_H,1,[Define to 1 if we have ncursesw/term.h]) + ;; +esac +])dnl +dnl --------------------------------------------------------------------------- +dnl CF_TM_GMTOFF version: 5 updated: 2021/06/08 18:08:14 +dnl ------------ +dnl Check if the tm-struct defines the '.tm_gmtoff' member (useful in decoding +dnl dates). +AC_DEFUN([CF_TM_GMTOFF], +[ +AC_MSG_CHECKING([for tm.tm_gmtoff]) +AC_CACHE_VAL(cf_cv_tm_gmtoff,[ + AC_TRY_COMPILE([ +#ifdef TIME_WITH_SYS_TIME +# include <sys/time.h> +# include <time.h> +#else +# ifdef HAVE_SYS_TIME_H +# include <sys/time.h> +# else +# include <time.h> +# endif +#endif +],[ + static struct tm foo; + long bar = foo.tm_gmtoff; (void) bar], + [cf_cv_tm_gmtoff=yes], + [cf_cv_tm_gmtoff=no])]) +AC_MSG_RESULT($cf_cv_tm_gmtoff) +test "$cf_cv_tm_gmtoff" = no && AC_DEFINE(DONT_HAVE_TM_GMTOFF,1,[Define to 1 if the tm-struct defines .tm_gmtoff member]) +])dnl +dnl --------------------------------------------------------------------------- +dnl CF_TRIM_X_LIBS version: 3 updated: 2015/04/12 15:39:00 +dnl -------------- +dnl Trim extra base X libraries added as a workaround for inconsistent library +dnl dependencies returned by "new" pkg-config files. +AC_DEFUN([CF_TRIM_X_LIBS],[ + for cf_trim_lib in Xmu Xt X11 + do + case "$LIBS" in + (*-l$cf_trim_lib\ *-l$cf_trim_lib*) + LIBS=`echo "$LIBS " | sed -e 's/ / /g' -e 's%-l'"$cf_trim_lib"' %%' -e 's/ $//'` + CF_VERBOSE(..trimmed $LIBS) + ;; + esac + done +]) +dnl --------------------------------------------------------------------------- +dnl CF_TRY_PKG_CONFIG version: 6 updated: 2020/12/31 10:54:15 +dnl ----------------- +dnl This is a simple wrapper to use for pkg-config, for libraries which may be +dnl available in that form. +dnl +dnl $1 = package name, which may be a shell variable +dnl $2 = extra logic to use, if any, after updating CFLAGS and LIBS +dnl $3 = logic to use if pkg-config does not have the package +AC_DEFUN([CF_TRY_PKG_CONFIG],[ +AC_REQUIRE([CF_PKG_CONFIG]) + +if test "$PKG_CONFIG" != none && "$PKG_CONFIG" --exists "$1"; then + CF_VERBOSE(found package $1) + cf_pkgconfig_incs="`$PKG_CONFIG --cflags "$1" 2>/dev/null`" + cf_pkgconfig_libs="`$PKG_CONFIG --libs "$1" 2>/dev/null`" + CF_VERBOSE(package $1 CFLAGS: $cf_pkgconfig_incs) + CF_VERBOSE(package $1 LIBS: $cf_pkgconfig_libs) + CF_ADD_CFLAGS($cf_pkgconfig_incs) + CF_ADD_LIBS($cf_pkgconfig_libs) + ifelse([$2],,:,[$2]) +else + cf_pkgconfig_incs= + cf_pkgconfig_libs= + ifelse([$3],,:,[$3]) +fi +]) +dnl --------------------------------------------------------------------------- +dnl CF_TRY_RPATH version: 2 updated: 2021/01/02 09:31:20 +dnl ------------ +dnl Work around broken-by-design packaging systems which solve at most the +dnl problem of building packages, without providing for library reuse... +AC_DEFUN([CF_TRY_RPATH],[ +AC_REQUIRE([CF_LD_RPATH_OPT]) +if test -z "$LD_RPATH_OPT" +then + CF_VERBOSE(will not attempt to use rpath) +elif test "x${enable_rpath_hack:-yes}" = "xno" +then + CF_VERBOSE(rpath is disabled) +elif test -z "${LD_RUN_PATH}${LD_LIBRARY_PATH}" +then + case "$LIBS" in + (*-L/*) + CF__CHECK_RUN(cf_check_run) + if test "x$cf_check_run" = xno + then + CF_VERBOSE(linkage is broken) + cf_result= + for cf_item in $LIBS + do + case " $cf_item" in + (\ -L/*) + cf_rpath_arg=`echo " $cf_item" | sed -e "s% -L%$LD_RPATH_OPT%"` + cf_rpath_tmp=`echo "$cf_result " | sed -e "s% $cf_rpath_arg % %"` + if test "x$cf_result " = "x$cf_rpath_tmp" + then + cf_result="$cf_result $cf_rpath_arg" + fi + cf_rpath_tmp=`echo "$cf_result " | sed -e "s% $cf_item % %g"` + if test "x$cf_result " != "x$cf_rpath_tmp" + then + continue + fi + ;; + esac + cf_result="$cf_result $cf_item" + done + cf_result=`echo "$cf_result" | sed -e 's/^ //'` + if test "x$cf_result" != "x$LIBS" + then + cf_save_LIBS="$LIBS" + LIBS="$cf_result" + CF__CHECK_RUN(cf_check_run) + if test "x$cf_check_run" = "xyes" + then + CF_VERBOSE(use rpath for $cf_save_LIBS) + LIBS="$cf_result" + CF_VERBOSE(result is now $LIBS) + else + LIBS="$cf_save_LIBS" + fi + fi + fi + ;; + (*) + CF_VERBOSE(will not attempt to use rpath) + ;; + esac +fi +])dnl +dnl --------------------------------------------------------------------------- +dnl CF_TRY_XOPEN_SOURCE version: 4 updated: 2022/09/10 15:16:16 +dnl ------------------- +dnl If _XOPEN_SOURCE is not defined in the compile environment, check if we +dnl can define it successfully. +AC_DEFUN([CF_TRY_XOPEN_SOURCE],[ +AC_CACHE_CHECK(if we should define _XOPEN_SOURCE,cf_cv_xopen_source,[ + AC_TRY_COMPILE(CF__XOPEN_SOURCE_HEAD,CF__XOPEN_SOURCE_BODY, + [cf_cv_xopen_source=no], + [cf_save="$CPPFLAGS" + CF_APPEND_TEXT(CPPFLAGS,-D_XOPEN_SOURCE=$cf_XOPEN_SOURCE) + AC_TRY_COMPILE(CF__XOPEN_SOURCE_HEAD,CF__XOPEN_SOURCE_BODY, + [cf_cv_xopen_source=no], + [cf_cv_xopen_source=$cf_XOPEN_SOURCE]) + CPPFLAGS="$cf_save" + ]) +]) + +if test "$cf_cv_xopen_source" != no ; then + CF_REMOVE_DEFINE(CFLAGS,$CFLAGS,_XOPEN_SOURCE) + CF_REMOVE_DEFINE(CPPFLAGS,$CPPFLAGS,_XOPEN_SOURCE) + cf_temp_xopen_source="-D_XOPEN_SOURCE=$cf_cv_xopen_source" + CF_APPEND_CFLAGS($cf_temp_xopen_source) +fi +]) +dnl --------------------------------------------------------------------------- +dnl CF_TTYTYPE version: 7 updated: 2021/01/02 09:31:20 +dnl ---------- +AC_DEFUN([CF_TTYTYPE], +[ +AC_MSG_CHECKING(if ttytype is declared in curses library) +AC_CACHE_VAL(cf_cv_have_ttytype,[ + AC_TRY_LINK([#include <${cf_cv_ncurses_header:-curses.h}>], + [char *x = &ttytype[1]; *x = 1], + [cf_cv_have_ttytype=yes], + [cf_cv_have_ttytype=no]) + ]) +AC_MSG_RESULT($cf_cv_have_ttytype) +test "$cf_cv_have_ttytype" = yes && AC_DEFINE(HAVE_TTYTYPE,1,[Define to 1 if ttytype is declared in curses library]) +])dnl +dnl --------------------------------------------------------------------------- +dnl CF_TYPE_LONG_LONG version: 5 updated: 2021/01/04 17:48:08 +dnl ----------------- +dnl Check for long long type. +AC_DEFUN([CF_TYPE_LONG_LONG],[ +AC_REQUIRE([AC_PROG_FGREP])dnl + +AC_CACHE_CHECK(for long long type,cf_cv_type_long_long,[ + cat >conftest.$ac_ext <<_CFEOF +#include "confdefs.h" +int +main (void) +{ + long long foo = 123456789123456789LL; + return (foo == 0); +} +_CFEOF + (eval "[$]ac_compile") 2>conftest.err + ac_status=$? + if test "$ac_status" = 0 && test -s conftest.err + then + ${FGREP-fgrep} warning conftest.err >/dev/null 2>&1 && ac_status=1 + fi + if test "$ac_status" != 0 + then + cf_cv_type_long_long=no + else + cf_cv_type_long_long=yes + fi + test -s conftest.err && cat conftest.err >&5 + rm -f conftest* +]) + +if test "$cf_cv_type_long_long" = yes ; then + AC_DEFINE(HAVE_LONG_LONG,1,[Define to 1 if compiler supports long long type]) +fi +])dnl +dnl --------------------------------------------------------------------------- +dnl CF_UNION_WAIT version: 9 updated: 2021/06/08 18:08:14 +dnl ------------- +dnl Check to see if the BSD-style union wait is declared. Some platforms may +dnl use this, though it is deprecated in favor of the 'int' type in Posix. +dnl Some vendors provide a bogus implementation that declares union wait, but +dnl uses the 'int' type instead; we try to spot these by checking for the +dnl associated macros. +dnl +dnl Ahem. Some implementers cast the status value to an int*, as an attempt to +dnl use the macros for either union wait or int. So we do a check compile to +dnl see if the macros are defined and apply to an int. +dnl +dnl Sets: $cf_cv_type_unionwait +dnl Defines: HAVE_TYPE_UNIONWAIT +AC_DEFUN([CF_UNION_WAIT], +[ +AC_REQUIRE([CF_WAIT_HEADERS]) +AC_MSG_CHECKING([for union wait]) +AC_CACHE_VAL(cf_cv_type_unionwait,[ + AC_TRY_LINK($cf_wait_headers, + [static int x; + int y = WEXITSTATUS(x); + int z = WTERMSIG(x); + wait(&x); + (void)x; + (void)y; + (void)z; + ], + [cf_cv_type_unionwait=no + echo compiles ok w/o union wait 1>&AC_FD_CC + ],[ + AC_TRY_LINK($cf_wait_headers, + [union wait x; +#ifdef WEXITSTATUS + int y = WEXITSTATUS(x); +#endif +#ifdef WTERMSIG + int z = WTERMSIG(x); +#endif + wait(&x); + (void)x; +#ifdef WEXITSTATUS + (void)y; +#endif +#ifdef WTERMSIG + (void)z; +#endif + ], + [cf_cv_type_unionwait=yes + echo compiles ok with union wait and possibly macros too 1>&AC_FD_CC + ], + [cf_cv_type_unionwait=no])])]) +AC_MSG_RESULT($cf_cv_type_unionwait) +test "$cf_cv_type_unionwait" = yes && AC_DEFINE(HAVE_TYPE_UNIONWAIT,1,[Define to 1 if type unionwait is declared]) +])dnl +dnl --------------------------------------------------------------------------- +dnl CF_UPPER version: 5 updated: 2001/01/29 23:40:59 +dnl -------- +dnl Make an uppercase version of a variable +dnl $1=uppercase($2) +AC_DEFUN([CF_UPPER], +[ +$1=`echo "$2" | sed y%abcdefghijklmnopqrstuvwxyz./-%ABCDEFGHIJKLMNOPQRSTUVWXYZ___%` +])dnl +dnl --------------------------------------------------------------------------- +dnl CF_UTF8_LIB version: 10 updated: 2023/01/11 04:05:23 +dnl ----------- +dnl Check for multibyte support, and if not found, utf8 compatibility library +AC_DEFUN([CF_UTF8_LIB], +[ +AC_HAVE_HEADERS(wchar.h) +AC_CACHE_CHECK(for multibyte character support,cf_cv_utf8_lib,[ + cf_save_LIBS="$LIBS" + AC_TRY_LINK([ +$ac_includes_default +#ifdef HAVE_WCHAR_H +#include <wchar.h> +#endif +],[putwc(0,0);], + [cf_cv_utf8_lib=yes], + [CF_FIND_LINKAGE([ +#include <libutf8.h>],[putwc(0,0);],utf8, + [cf_cv_utf8_lib=add-on], + [cf_cv_utf8_lib=no]) +])]) + +# HAVE_LIBUTF8_H is used by ncurses if curses.h is shared between +# ncurses/ncursesw: +if test "$cf_cv_utf8_lib" = "add-on" ; then + AC_DEFINE(HAVE_LIBUTF8_H,1,[Define to 1 if we should include libutf8.h]) + CF_ADD_INCDIR($cf_cv_header_path_utf8) + CF_ADD_LIBDIR($cf_cv_library_path_utf8) + CF_ADD_LIBS($cf_cv_library_file_utf8) +fi +])dnl +dnl --------------------------------------------------------------------------- +dnl CF_UTMP version: 12 updated: 2021/01/02 09:31:20 +dnl ------- +dnl Check for UTMP/UTMPX headers +AC_DEFUN([CF_UTMP], +[ +AC_REQUIRE([CF_LASTLOG]) + +AC_CACHE_CHECK(for utmp implementation,cf_cv_have_utmp,[ + cf_cv_have_utmp=no +for cf_header in utmpx utmp ; do +cf_utmp_includes=" +#include <sys/types.h> +#include <${cf_header}.h> +#define getutent getutxent +#ifdef USE_LASTLOG +#include <lastlog.h> /* may conflict with utmpx.h on Linux */ +#endif +" + AC_TRY_COMPILE([$cf_utmp_includes], + [struct $cf_header x; + char *name = x.ut_name; /* utmp.h and compatible definitions */ + (void)x; + (void)name; + ], + [cf_cv_have_utmp=$cf_header + break], + [ + AC_TRY_COMPILE([$cf_utmp_includes], + [struct $cf_header x; + char *name = x.ut_user; /* utmpx.h must declare this */ + (void)x; + (void)name; + ], + [cf_cv_have_utmp=$cf_header + break + ])]) +done +]) + +if test "$cf_cv_have_utmp" != no ; then + AC_DEFINE(HAVE_UTMP,1,[Define to 1 if the utmp interface is available]) + test "$cf_cv_have_utmp" = utmpx && AC_DEFINE(UTMPX_FOR_UTMP,1,[Define if we have utmpx interface]) + CF_UTMP_UT_HOST + CF_UTMP_UT_SYSLEN + CF_UTMP_UT_NAME + CF_UTMP_UT_XSTATUS + CF_UTMP_UT_XTIME + CF_UTMP_UT_SESSION + CF_SYSV_UTMP +fi +])dnl +dnl --------------------------------------------------------------------------- +dnl CF_UTMP_UT_HOST version: 10 updated: 2021/01/02 09:31:20 +dnl --------------- +dnl Check if UTMP/UTMPX struct defines ut_host member +AC_DEFUN([CF_UTMP_UT_HOST], +[ +if test "$cf_cv_have_utmp" != no ; then +AC_MSG_CHECKING(if ${cf_cv_have_utmp}.ut_host is declared) +AC_CACHE_VAL(cf_cv_have_utmp_ut_host,[ + AC_TRY_COMPILE([ +#include <sys/types.h> +#include <${cf_cv_have_utmp}.h>], + [struct $cf_cv_have_utmp x; + char *y = &x.ut_host[0]; + (void)x; + (void)y], + [cf_cv_have_utmp_ut_host=yes], + [cf_cv_have_utmp_ut_host=no]) + ]) +AC_MSG_RESULT($cf_cv_have_utmp_ut_host) +test "$cf_cv_have_utmp_ut_host" != no && AC_DEFINE(HAVE_UTMP_UT_HOST,1,[Define to 1 if UTMP/UTMPX struct defines ut_host member]) +fi +])dnl +dnl --------------------------------------------------------------------------- +dnl CF_UTMP_UT_NAME version: 8 updated: 2021/01/02 09:31:20 +dnl --------------- +dnl Check if UTMP/UTMPX struct defines ut_name member +AC_DEFUN([CF_UTMP_UT_NAME], +[ +if test "$cf_cv_have_utmp" != no ; then +AC_CACHE_CHECK(if ${cf_cv_have_utmp}.ut_name is declared,cf_cv_have_utmp_ut_name,[ + cf_cv_have_utmp_ut_name=no +cf_utmp_includes=" +#include <sys/types.h> +#include <${cf_cv_have_utmp}.h> +#define getutent getutxent +#ifdef USE_LASTLOG +#include <lastlog.h> /* may conflict with utmpx.h on Linux */ +#endif +" +for cf_header in ut_name ut_user ; do + AC_TRY_COMPILE([$cf_utmp_includes], + [struct $cf_cv_have_utmp x; + char *name = x.$cf_header; + (void)x; + (void)name; + ], + [cf_cv_have_utmp_ut_name=$cf_header + break]) +done +]) + +case "$cf_cv_have_utmp_ut_name" in +(no) + AC_MSG_ERROR(Cannot find declaration for ut.ut_name) + ;; +(ut_user) + AC_DEFINE(ut_name,ut_user,[Define to rename UTMP/UTMPX struct ut_name member]) + ;; +esac +fi +])dnl +dnl --------------------------------------------------------------------------- +dnl CF_UTMP_UT_SESSION version: 9 updated: 2021/06/07 17:39:17 +dnl ------------------ +dnl Check if UTMP/UTMPX struct defines ut_session member +AC_DEFUN([CF_UTMP_UT_SESSION], +[ +if test "$cf_cv_have_utmp" != no ; then +AC_CACHE_CHECK(if ${cf_cv_have_utmp}.ut_session is declared, cf_cv_have_utmp_ut_session,[ + AC_TRY_COMPILE([ +#include <sys/types.h> +#include <${cf_cv_have_utmp}.h>], + [static struct $cf_cv_have_utmp x; + long y = x.ut_session; + (void)x; + (void)y], + [cf_cv_have_utmp_ut_session=yes], + [cf_cv_have_utmp_ut_session=no]) +]) +if test "$cf_cv_have_utmp_ut_session" != no ; then + AC_DEFINE(HAVE_UTMP_UT_SESSION,1,[Define to 1 if UTMP/UTMPX struct defines ut_session member]) +fi +fi +])dnl +dnl --------------------------------------------------------------------------- +dnl CF_UTMP_UT_SYSLEN version: 4 updated: 2021/01/02 09:31:20 +dnl ----------------- +dnl Check if UTMP/UTMPX struct defines ut_syslen member +AC_DEFUN([CF_UTMP_UT_SYSLEN], +[ +if test "$cf_cv_have_utmp" != no ; then +AC_MSG_CHECKING(if ${cf_cv_have_utmp}.ut_syslen is declared) +AC_CACHE_VAL(cf_cv_have_utmp_ut_syslen,[ + AC_TRY_COMPILE([ +#include <sys/types.h> +#include <${cf_cv_have_utmp}.h>], + [struct $cf_cv_have_utmp x; + int y = x.ut_syslen; + (void)x; + (void)y], + [cf_cv_have_utmp_ut_syslen=yes], + [cf_cv_have_utmp_ut_syslen=no]) + ]) +AC_MSG_RESULT($cf_cv_have_utmp_ut_syslen) +test "$cf_cv_have_utmp_ut_syslen" != no && AC_DEFINE(HAVE_UTMP_UT_SYSLEN,1,[Define to 1 if UTMP/UTMPX struct defines ut_syslen member]) +fi +])dnl +dnl --------------------------------------------------------------------------- +dnl CF_UTMP_UT_XSTATUS version: 6 updated: 2021/01/02 09:31:20 +dnl ------------------ +dnl Check for known variants on the UTMP/UTMPX struct's exit-status as reported +dnl by various people: +dnl +dnl ut_exit.__e_exit (HPUX 11 - David Ellement, also in glibc2) +dnl ut_exit.e_exit (SVR4) +dnl ut_exit.ut_e_exit (os390 - Greg Smith) +dnl ut_exit.ut_exit (Tru64 4.0f - Jeremie Petit, 4.0e - Tomas Vanhala) +dnl +dnl Note: utmp_xstatus is not a conventional compatibility definition in the +dnl system header files. +AC_DEFUN([CF_UTMP_UT_XSTATUS], +[ +if test "$cf_cv_have_utmp" != no ; then +AC_CACHE_CHECK(for exit-status in $cf_cv_have_utmp,cf_cv_have_utmp_ut_xstatus,[ +for cf_result in \ + ut_exit.__e_exit \ + ut_exit.e_exit \ + ut_exit.ut_e_exit \ + ut_exit.ut_exit +do +AC_TRY_COMPILE([ +#include <sys/types.h> +#include <${cf_cv_have_utmp}.h>], + [struct $cf_cv_have_utmp x; + long y = x.$cf_result = 0; + (void)x; + (void)y], + [cf_cv_have_utmp_ut_xstatus=$cf_result + break], + [cf_cv_have_utmp_ut_xstatus=no]) +done +]) +if test "$cf_cv_have_utmp_ut_xstatus" != no ; then + AC_DEFINE(HAVE_UTMP_UT_XSTATUS,1,[Define to 1 if UTMP/UTMPX has exit-status member]) + AC_DEFINE_UNQUOTED(ut_xstatus,$cf_cv_have_utmp_ut_xstatus,[Define if needed to rename member ut_xstatus of UTMP/UTMPX]) +fi +fi +])dnl +dnl --------------------------------------------------------------------------- +dnl CF_UTMP_UT_XTIME version: 11 updated: 2021/01/02 09:31:20 +dnl ---------------- +dnl Check if UTMP/UTMPX struct defines ut_xtime member +AC_DEFUN([CF_UTMP_UT_XTIME], +[ +if test "$cf_cv_have_utmp" != no ; then +AC_CACHE_CHECK(if ${cf_cv_have_utmp}.ut_xtime is declared, cf_cv_have_utmp_ut_xtime,[ + AC_TRY_COMPILE([ +#include <sys/types.h> +#include <${cf_cv_have_utmp}.h>], + [struct $cf_cv_have_utmp x; + long y = x.ut_xtime = 0; + (void)x; + (void)y], + [cf_cv_have_utmp_ut_xtime=yes], + [AC_TRY_COMPILE([ +#include <sys/types.h> +#include <${cf_cv_have_utmp}.h>], + [struct $cf_cv_have_utmp x; + long y = x.ut_tv.tv_sec; + (void)x; + (void)y], + [cf_cv_have_utmp_ut_xtime=define], + [cf_cv_have_utmp_ut_xtime=no]) + ]) +]) +if test "$cf_cv_have_utmp_ut_xtime" != no ; then + AC_DEFINE(HAVE_UTMP_UT_XTIME,1,[Define to 1 if UTMP/UTMPX struct defines ut_xtime member]) + if test "$cf_cv_have_utmp_ut_xtime" = define ; then + AC_DEFINE(ut_xtime,ut_tv.tv_sec,[Define if needed to alternate name for utmpx.ut_xtime member]) + fi +fi +fi +])dnl +dnl --------------------------------------------------------------------------- +dnl CF_VERBOSE version: 3 updated: 2007/07/29 09:55:12 +dnl ---------- +dnl Use AC_VERBOSE w/o the warnings +AC_DEFUN([CF_VERBOSE], +[test -n "$verbose" && echo " $1" 1>&AC_FD_MSG +CF_MSG_LOG([$1]) +])dnl +dnl --------------------------------------------------------------------------- +dnl CF_WAIT_HEADERS version: 3 updated: 2021/01/02 09:31:20 +dnl --------------- +dnl Build up an expression $cf_wait_headers with the header files needed to +dnl compile against the prototypes for 'wait()', 'waitpid()', etc. Assume it's +dnl Posix, which uses <sys/types.h> and <sys/wait.h>, but allow SVr4 variation +dnl with <wait.h>. +AC_DEFUN([CF_WAIT_HEADERS], +[ +AC_HAVE_HEADERS(sys/wait.h) +cf_wait_headers="#include <sys/types.h> +" +if test "$ac_cv_header_sys_wait_h" = yes; then +cf_wait_headers="$cf_wait_headers +#include <sys/wait.h> +" +else +AC_HAVE_HEADERS(wait.h) +AC_HAVE_HEADERS(waitstatus.h) +if test "$ac_cv_header_wait_h" = yes; then +cf_wait_headers="$cf_wait_headers +#include <wait.h> +" +fi +if test "$ac_cv_header_waitstatus_h" = yes; then +cf_wait_headers="$cf_wait_headers +#include <waitstatus.h> +" +fi +fi +])dnl +dnl --------------------------------------------------------------------------- +dnl CF_WIDEC_CURSES version: 6 updated: 2020/03/19 20:23:48 +dnl --------------- +dnl Check for curses implementations that can handle wide-characters +AC_DEFUN([CF_WIDEC_CURSES], +[ +AC_CACHE_CHECK(if curses supports wide characters,cf_cv_widec_curses,[ +AC_TRY_LINK([ +#include <stdlib.h> +#include <${cf_cv_ncurses_header:-curses.h}>],[ + wchar_t temp[2]; + wchar_t wch = 'A'; + temp[0] = wch; + waddnwstr(stdscr, temp, 1); +], +[cf_cv_widec_curses=yes], +[cf_cv_widec_curses=no]) +]) + +if test "$cf_cv_widec_curses" = yes ; then + AC_DEFINE(WIDEC_CURSES,1,[Define to 1 if curses supports wide characters]) + + # This is needed on Tru64 5.0 to declare mbstate_t + AC_CACHE_CHECK(if we must include wchar.h to declare mbstate_t,cf_cv_widec_mbstate,[ + AC_TRY_COMPILE([ +#include <stdlib.h> +#include <${cf_cv_ncurses_header:-curses.h}>], +[mbstate_t state; (void)state], +[cf_cv_widec_mbstate=no], +[AC_TRY_COMPILE([ +#include <stdlib.h> +#include <wchar.h> +#include <${cf_cv_ncurses_header:-curses.h}>], +[mbstate_t state; (void)state], +[cf_cv_widec_mbstate=yes], +[cf_cv_widec_mbstate=unknown])])]) + +if test "$cf_cv_widec_mbstate" = yes ; then + AC_DEFINE(NEED_WCHAR_H,1,[Define to 1 if we must include wchar.h]) +fi + +if test "$cf_cv_widec_mbstate" != unknown ; then + AC_DEFINE(HAVE_MBSTATE_T,1,[Define to 1 if we have mbstate_t type]) +fi + +fi +])dnl +dnl --------------------------------------------------------------------------- +dnl CF_WITH_BROTLI version: 1 updated: 2022/03/17 15:59:12 +dnl -------------- +dnl Check for Brotli decoder library +dnl +dnl $1 = optional path for headers/library +AC_DEFUN([CF_WITH_BROTLI],[ + CF_ADD_OPTIONAL_PATH($1) + + CF_FIND_LINKAGE([ +#include <brotli/decode.h> +],[ + BrotliDecoderDecompressStream( + NULL, /* BrotliDecoderState* state */ + NULL, /* size_t* available_in */ + NULL, /* const uint8_t** next_in */ + NULL, /* size_t* available_out */ + NULL, /* uint8_t** next_out */ + NULL /* size_t* total_out */ + ); +],brotlidec,,,brotlilib) +])dnl +dnl --------------------------------------------------------------------------- +dnl CF_WITH_BZLIB version: 4 updated: 2007/07/29 13:19:54 +dnl ------------- +dnl Check for libbz2 aka "bzlib" +dnl +dnl $1 = optional path for headers/library +AC_DEFUN([CF_WITH_BZLIB],[ + CF_ADD_OPTIONAL_PATH($1) + + CF_FIND_LINKAGE([ +#include <stdio.h> +#include <bzlib.h> +],[ + BZ2_bzopen("name","mode") +],bz2,,,bzlib) +])dnl +dnl --------------------------------------------------------------------------- +dnl CF_WITH_CURSES_DIR version: 4 updated: 2021/01/02 19:22:58 +dnl ------------------ +dnl Wrapper for AC_ARG_WITH to specify directory under which to look for curses +dnl libraries. +AC_DEFUN([CF_WITH_CURSES_DIR],[ + +AC_MSG_CHECKING(for specific curses-directory) +AC_ARG_WITH(curses-dir, + [ --with-curses-dir=DIR directory in which (n)curses is installed], + [cf_cv_curses_dir=$withval], + [cf_cv_curses_dir=no]) +AC_MSG_RESULT($cf_cv_curses_dir) + +if test -n "$cf_cv_curses_dir" && test "$cf_cv_curses_dir" != "no" +then + CF_PATH_SYNTAX(withval) + if test -d "$cf_cv_curses_dir" + then + CF_ADD_INCDIR($cf_cv_curses_dir/include) + CF_ADD_LIBDIR($cf_cv_curses_dir/lib) + fi +fi +])dnl +dnl --------------------------------------------------------------------------- +dnl CF_WITH_DBMALLOC version: 7 updated: 2010/06/21 17:26:47 +dnl ---------------- +dnl Configure-option for dbmalloc. The optional parameter is used to override +dnl the updating of $LIBS, e.g., to avoid conflict with subsequent tests. +AC_DEFUN([CF_WITH_DBMALLOC],[ +CF_NO_LEAKS_OPTION(dbmalloc, + [ --with-dbmalloc test: use Conor Cahill's dbmalloc library], + [USE_DBMALLOC]) + +if test "$with_dbmalloc" = yes ; then + AC_CHECK_HEADER(dbmalloc.h, + [AC_CHECK_LIB(dbmalloc,[debug_malloc]ifelse([$1],,[],[,$1]))]) +fi +])dnl +dnl --------------------------------------------------------------------------- +dnl CF_WITH_DMALLOC version: 7 updated: 2010/06/21 17:26:47 +dnl --------------- +dnl Configure-option for dmalloc. The optional parameter is used to override +dnl the updating of $LIBS, e.g., to avoid conflict with subsequent tests. +AC_DEFUN([CF_WITH_DMALLOC],[ +CF_NO_LEAKS_OPTION(dmalloc, + [ --with-dmalloc test: use Gray Watson's dmalloc library], + [USE_DMALLOC]) + +if test "$with_dmalloc" = yes ; then + AC_CHECK_HEADER(dmalloc.h, + [AC_CHECK_LIB(dmalloc,[dmalloc_debug]ifelse([$1],,[],[,$1]))]) +fi +])dnl +dnl --------------------------------------------------------------------------- +dnl CF_WITH_IDNA version: 11 updated: 2021/07/05 09:09:42 +dnl ------------ +dnl Check for libidn2, use it if found. Otherwise, check for libidn, use that. +dnl +dnl $1 = optional path for headers/library +AC_DEFUN([CF_WITH_IDNA],[ +CF_ADD_OPTIONAL_PATH($1) + +CF_FIND_LINKAGE([ +#include <stdio.h> +#include <idn2.h> +],[ + char *output = 0; + int code = idn2_to_ascii_8z("name", &output, IDN2_USE_STD3_ASCII_RULES); + (void) code; +],idn2,,[CF_VERBOSE([unsuccessful, will try idn (older)])],,[$LIBICONV]) + +if test "x$cf_cv_find_linkage_idn2" = xyes ; then + CF_VERBOSE(found idn2 library) + AC_DEFINE(USE_IDN2,1,[Define to 1 if we should use IDN2 library]) +else + CF_FIND_LINKAGE([ +#include <stdio.h> +#include <idna.h> +],[ + char *output = 0; + int code = idna_to_ascii_8z("name", &output, IDNA_USE_STD3_ASCII_RULES); + (void) code; +],idn,,,,[$LIBICONV]) + +if test "x$cf_cv_find_linkage_idn" = xyes ; then + CF_VERBOSE(found idn library) + AC_DEFINE(USE_IDNA,1,[Define to 1 if we should use IDNA library]) +fi +fi +])dnl +dnl --------------------------------------------------------------------------- +dnl CF_WITH_PATH version: 12 updated: 2021/09/04 06:35:04 +dnl ------------ +dnl Wrapper for AC_ARG_WITH to ensure that user supplies a pathname, not just +dnl defaulting to yes/no. +dnl +dnl $1 = option name +dnl $2 = help-text +dnl $3 = environment variable to set +dnl $4 = default value, shown in the help-message, must be a constant +dnl $5 = default value, if it is an expression & cannot be in the help-message +dnl +AC_DEFUN([CF_WITH_PATH], +[AC_ARG_WITH($1,[$2 ](default: ifelse([$4],,empty,[$4])),, +ifelse([$4],,[withval="${$3}"],[withval="${$3:-ifelse([$5],,[$4],[$5])}"]))dnl +if ifelse([$5],,true,[test -n "$5"]) ; then +CF_PATH_SYNTAX(withval) +fi +eval $3="$withval" +AC_SUBST($3)dnl +])dnl +dnl --------------------------------------------------------------------------- +dnl CF_WITH_SCREEN_PDCURSES version: 1 updated: 2020/08/28 16:56:27 +dnl ----------------------- +dnl Call this macro before CF_ENABLE_WARNINGS for configure scripts which use +dnl the "--with-screen=pdcurses" selection. Doing that allows the configure +dnl script to search for the X11/Xt header files to declare (or not) the +dnl symbol needed to enable "const" in those header files. If that configure +dnl option is not used, then those checks are unnecessary. +AC_DEFUN([CF_WITH_SCREEN_PDCURSES],[ +AC_PROVIDE([AC_PATH_XTRA]) +AC_PROVIDE([AC_PATH_X]) +if test -n "$with_screen" && test "x$with_screen" = "xpdcurses" +then + AC_PATH_X + AC_PATH_XTRA +fi +])dnl +dnl --------------------------------------------------------------------------- +dnl CF_WITH_ZLIB version: 4 updated: 2011/05/28 12:10:58 +dnl ------------ +dnl check for libz aka "zlib" +AC_DEFUN([CF_WITH_ZLIB],[ + CF_ADD_OPTIONAL_PATH($1) + + CF_FIND_LINKAGE([ +#include <zlib.h> +],[ + gzopen("name","mode") +],z,,,zlib) + +AC_CHECK_FUNCS( \ + zError \ +) +])dnl +dnl --------------------------------------------------------------------------- +dnl CF_XOPEN_CURSES version: 20 updated: 2024/01/07 06:54:12 +dnl --------------- +dnl Test if we should define X/Open source for curses, needed on Digital Unix +dnl 4.x, to see the extended functions, but breaks on IRIX 6.x. +dnl +dnl The getbegyx() check is needed for HPUX, which omits legacy macros such +dnl as getbegy(). The latter is better design, but the former is standard. +AC_DEFUN([CF_XOPEN_CURSES], +[ +AC_REQUIRE([CF_CURSES_CPPFLAGS])dnl +AC_CACHE_CHECK(definition to turn on extended curses functions,cf_cv_need_xopen_extension,[ +cf_cv_need_xopen_extension=unknown +AC_TRY_LINK([ +$ac_includes_default +#include <${cf_cv_ncurses_header:-curses.h}>],[ +#if defined(NCURSES_VERSION_PATCH) +#if (NCURSES_VERSION_PATCH < 20100501) && (NCURSES_VERSION_PATCH >= 20100403) + #error disallow ncurses versions between 2020/04/03 and 2010/05/01 +#endif +#endif +#ifdef NCURSES_WIDECHAR +#error prefer to fall-through on the second checks +#endif + static char dummy[10]; + cchar_t check; + int check2 = curs_set((int)sizeof(check)); + long x = winnstr(stdscr, dummy, 5); + int x1, y1; + (void)check2; + getbegyx(stdscr, y1, x1); + (void)x; + (void)y1; + (void)x1; + ], + [cf_cv_need_xopen_extension=none], + [ + for cf_try_xopen_extension in _XOPEN_SOURCE_EXTENDED NCURSES_WIDECHAR + do + AC_TRY_LINK([ +#define $cf_try_xopen_extension 1 +$ac_includes_default +#include <${cf_cv_ncurses_header:-curses.h}>],[ + static char dummy[10]; + cchar_t check; + int check2 = curs_set((int)sizeof(check)); + long x = winnstr(stdscr, dummy, 5); + int x1, y1; + getbegyx(stdscr, y1, x1); + (void)check2; + (void)x; + (void)y1; + (void)x1; + ], + [cf_cv_need_xopen_extension=$cf_try_xopen_extension; break]) + done + ]) +]) + +case "$cf_cv_need_xopen_extension" in +(*_*) + CF_APPEND_TEXT(CPPFLAGS,-D$cf_cv_need_xopen_extension) + ;; +esac + +])dnl +dnl --------------------------------------------------------------------------- +dnl CF_XOPEN_SOURCE version: 67 updated: 2023/09/06 18:55:27 +dnl --------------- +dnl Try to get _XOPEN_SOURCE defined properly that we can use POSIX functions, +dnl or adapt to the vendor's definitions to get equivalent functionality, +dnl without losing the common non-POSIX features. +dnl +dnl Parameters: +dnl $1 is the nominal value for _XOPEN_SOURCE +dnl $2 is the nominal value for _POSIX_C_SOURCE +dnl +dnl The default case prefers _XOPEN_SOURCE over _POSIX_C_SOURCE if the +dnl implementation predefines it, because X/Open and most implementations agree +dnl that the latter is a legacy or "aligned" value. +dnl +dnl Because _XOPEN_SOURCE is preferred, if defining _POSIX_C_SOURCE turns +dnl that off, then refrain from setting _POSIX_C_SOURCE explicitly. +dnl +dnl References: +dnl https://pubs.opengroup.org/onlinepubs/007904975/functions/xsh_chap02_02.html +dnl https://docs.oracle.com/cd/E19253-01/816-5175/standards-5/index.html +dnl https://www.gnu.org/software/libc/manual/html_node/Feature-Test-Macros.html +AC_DEFUN([CF_XOPEN_SOURCE],[ +AC_REQUIRE([AC_CANONICAL_HOST]) +AC_REQUIRE([CF_POSIX_VISIBLE]) + +if test "$cf_cv_posix_visible" = no; then + +cf_XOPEN_SOURCE=ifelse([$1],,500,[$1]) +cf_POSIX_C_SOURCE=ifelse([$2],,199506L,[$2]) +cf_xopen_source= + +case "$host_os" in +(aix[[4-7]]*) + cf_xopen_source="-D_ALL_SOURCE" + ;; +(darwin[[0-8]].*) + cf_xopen_source="-D_APPLE_C_SOURCE" + ;; +(darwin*) + cf_xopen_source="-D_DARWIN_C_SOURCE" + cf_XOPEN_SOURCE= + ;; +(freebsd*|dragonfly*|midnightbsd*) + # 5.x headers associate + # _XOPEN_SOURCE=600 with _POSIX_C_SOURCE=200112L + # _XOPEN_SOURCE=500 with _POSIX_C_SOURCE=199506L + cf_POSIX_C_SOURCE=200112L + cf_XOPEN_SOURCE=600 + cf_xopen_source="-D_BSD_TYPES -D__BSD_VISIBLE -D_POSIX_C_SOURCE=$cf_POSIX_C_SOURCE -D_XOPEN_SOURCE=$cf_XOPEN_SOURCE" + ;; +(hpux11*) + cf_xopen_source="-D_HPUX_SOURCE -D_XOPEN_SOURCE=500" + ;; +(hpux*) + cf_xopen_source="-D_HPUX_SOURCE" + ;; +(irix[[56]].*) + cf_xopen_source="-D_SGI_SOURCE" + cf_XOPEN_SOURCE= + ;; +(linux*gnu|linux*gnuabi64|linux*gnuabin32|linux*gnueabi|linux*gnueabihf|linux*gnux32|uclinux*|gnu*|mint*|k*bsd*-gnu|cygwin|msys|mingw*|linux*uclibc) + CF_GNU_SOURCE($cf_XOPEN_SOURCE) + ;; +(minix*) + cf_xopen_source="-D_NETBSD_SOURCE" # POSIX.1-2001 features are ifdef'd with this... + ;; +(mirbsd*) + # setting _XOPEN_SOURCE or _POSIX_SOURCE breaks <sys/select.h> and other headers which use u_int / u_short types + cf_XOPEN_SOURCE= + CF_POSIX_C_SOURCE($cf_POSIX_C_SOURCE) + ;; +(netbsd*) + cf_xopen_source="-D_NETBSD_SOURCE" # setting _XOPEN_SOURCE breaks IPv6 for lynx on NetBSD 1.6, breaks xterm, is not needed for ncursesw + ;; +(openbsd[[6-9]]*) + # OpenBSD 6.x has broken locale support, both compile-time and runtime. + # see https://www.mail-archive.com/bugs@openbsd.org/msg13200.html + # Abusing the conformance level is a workaround. + AC_MSG_WARN(this system does not provide usable locale support) + cf_xopen_source="-D_BSD_SOURCE" + cf_XOPEN_SOURCE=700 + ;; +(openbsd[[4-5]]*) + # setting _XOPEN_SOURCE lower than 500 breaks g++ compile with wchar.h, needed for ncursesw + cf_xopen_source="-D_BSD_SOURCE" + cf_XOPEN_SOURCE=600 + ;; +(openbsd*) + # setting _XOPEN_SOURCE breaks xterm on OpenBSD 2.8, is not needed for ncursesw + ;; +(osf[[45]]*) + cf_xopen_source="-D_OSF_SOURCE" + ;; +(nto-qnx*) + cf_xopen_source="-D_QNX_SOURCE" + ;; +(sco*) + # setting _XOPEN_SOURCE breaks Lynx on SCO Unix / OpenServer + ;; +(solaris2.*) + cf_xopen_source="-D__EXTENSIONS__" + cf_cv_xopen_source=broken + ;; +(sysv4.2uw2.*) # Novell/SCO UnixWare 2.x (tested on 2.1.2) + cf_XOPEN_SOURCE= + cf_POSIX_C_SOURCE= + ;; +(*) + CF_TRY_XOPEN_SOURCE + cf_save_xopen_cppflags="$CPPFLAGS" + CF_POSIX_C_SOURCE($cf_POSIX_C_SOURCE) + # Some of these niche implementations use copy/paste, double-check... + if test "$cf_cv_xopen_source" = no ; then + CF_VERBOSE(checking if _POSIX_C_SOURCE interferes with _XOPEN_SOURCE) + AC_TRY_COMPILE(CF__XOPEN_SOURCE_HEAD,CF__XOPEN_SOURCE_BODY,,[ + AC_MSG_WARN(_POSIX_C_SOURCE definition is not usable) + CPPFLAGS="$cf_save_xopen_cppflags"]) + fi + ;; +esac + +if test -n "$cf_xopen_source" ; then + CF_APPEND_CFLAGS($cf_xopen_source,true) +fi + +dnl In anything but the default case, we may have system-specific setting +dnl which is still not guaranteed to provide all of the entrypoints that +dnl _XOPEN_SOURCE would yield. +if test -n "$cf_XOPEN_SOURCE" && test -z "$cf_cv_xopen_source" ; then + AC_MSG_CHECKING(if _XOPEN_SOURCE really is set) + AC_TRY_COMPILE([#include <stdlib.h>],[ +#ifndef _XOPEN_SOURCE +#error _XOPEN_SOURCE is not defined +#endif], + [cf_XOPEN_SOURCE_set=yes], + [cf_XOPEN_SOURCE_set=no]) + AC_MSG_RESULT($cf_XOPEN_SOURCE_set) + if test "$cf_XOPEN_SOURCE_set" = yes + then + AC_TRY_COMPILE([#include <stdlib.h>],[ +#if (_XOPEN_SOURCE - 0) < $cf_XOPEN_SOURCE +#error (_XOPEN_SOURCE - 0) < $cf_XOPEN_SOURCE +#endif], + [cf_XOPEN_SOURCE_set_ok=yes], + [cf_XOPEN_SOURCE_set_ok=no]) + if test "$cf_XOPEN_SOURCE_set_ok" = no + then + AC_MSG_WARN(_XOPEN_SOURCE is lower than requested) + fi + else + CF_TRY_XOPEN_SOURCE + fi +fi +fi # cf_cv_posix_visible +]) +dnl --------------------------------------------------------------------------- +dnl CF_X_ATHENA version: 25 updated: 2023/01/11 04:05:23 +dnl ----------- +dnl Check for Xaw (Athena) libraries +dnl +dnl Sets $cf_x_athena according to the flavor of Xaw which is used. +AC_DEFUN([CF_X_ATHENA], +[ +cf_x_athena=${cf_x_athena:-Xaw} + +AC_MSG_CHECKING(if you want to link with Xaw 3d library) +withval= +AC_ARG_WITH(Xaw3d, + [ --with-Xaw3d link with Xaw 3d library]) +if test "$withval" = yes ; then + cf_x_athena=Xaw3d + AC_MSG_RESULT(yes) +else + AC_MSG_RESULT(no) +fi + +AC_MSG_CHECKING(if you want to link with Xaw 3d xft library) +withval= +AC_ARG_WITH(Xaw3dxft, + [ --with-Xaw3dxft link with Xaw 3d xft library]) +if test "$withval" = yes ; then + cf_x_athena=Xaw3dxft + AC_MSG_RESULT(yes) +else + AC_MSG_RESULT(no) +fi + +AC_MSG_CHECKING(if you want to link with neXT Athena library) +withval= +AC_ARG_WITH(neXtaw, + [ --with-neXtaw link with neXT Athena library]) +if test "$withval" = yes ; then + cf_x_athena=neXtaw + AC_MSG_RESULT(yes) +else + AC_MSG_RESULT(no) +fi + +AC_MSG_CHECKING(if you want to link with Athena-Plus library) +withval= +AC_ARG_WITH(XawPlus, + [ --with-XawPlus link with Athena-Plus library]) +if test "$withval" = yes ; then + cf_x_athena=XawPlus + AC_MSG_RESULT(yes) +else + AC_MSG_RESULT(no) +fi + +cf_x_athena_lib="" + +if test "$PKG_CONFIG" != none ; then + cf_athena_list= + test "$cf_x_athena" = Xaw && cf_athena_list="xaw8 xaw7 xaw6" + for cf_athena_pkg in \ + $cf_athena_list \ + ${cf_x_athena} \ + ${cf_x_athena}-devel \ + lib${cf_x_athena} \ + lib${cf_x_athena}-devel + do + CF_TRY_PKG_CONFIG($cf_athena_pkg,[ + cf_x_athena_lib="$cf_pkgconfig_libs" + CF_UPPER(cf_x_athena_LIBS,HAVE_LIB_$cf_x_athena) + AC_DEFINE_UNQUOTED($cf_x_athena_LIBS) + + CF_TRIM_X_LIBS + +AC_CACHE_CHECK(for usable $cf_x_athena/Xmu package,cf_cv_xaw_compat,[ +AC_TRY_LINK([ +$ac_includes_default +#include <X11/Xmu/CharSet.h> +],[ +int check = XmuCompareISOLatin1("big", "small"); +(void)check; +],[cf_cv_xaw_compat=yes],[cf_cv_xaw_compat=no])]) + + if test "$cf_cv_xaw_compat" = no + then + # workaround for broken ".pc" files... + case "$cf_x_athena_lib" in + (*-lXmu*) + ;; + (*) + CF_VERBOSE(work around broken package) + cf_save_xmu="$LIBS" + cf_first_lib=`echo "$cf_save_xmu" | sed -e 's/^[ ][ ]*//' -e 's/ .*//'` + CF_TRY_PKG_CONFIG(xmu,[ + LIBS="$cf_save_xmu" + CF_ADD_LIB_AFTER($cf_first_lib,$cf_pkgconfig_libs) + ],[ + CF_ADD_LIB_AFTER($cf_first_lib,-lXmu) + ]) + CF_TRIM_X_LIBS + ;; + esac + fi + + break]) + done +fi + +if test -z "$cf_x_athena_lib" ; then + CF_X_EXT + CF_X_TOOLKIT + CF_X_ATHENA_CPPFLAGS($cf_x_athena) + CF_X_ATHENA_LIBS($cf_x_athena) +fi +])dnl +dnl --------------------------------------------------------------------------- +dnl CF_X_ATHENA_CPPFLAGS version: 9 updated: 2020/12/31 10:54:15 +dnl -------------------- +dnl Normally invoked by CF_X_ATHENA, with $1 set to the appropriate flavor of +dnl the Athena widgets, e.g., Xaw, Xaw3d, neXtaw. +AC_DEFUN([CF_X_ATHENA_CPPFLAGS], +[ +AC_REQUIRE([AC_PATH_XTRA]) +cf_x_athena_root=ifelse([$1],,Xaw,[$1]) +cf_x_athena_inc="" + +for cf_path in default \ + /usr/contrib/X11R6 \ + /usr/contrib/X11R5 \ + /usr/lib/X11R5 \ + /usr/local +do + if test -z "$cf_x_athena_inc" ; then + CF_SAVE_XTRA_FLAGS([CF_X_ATHENA_CPPFLAGS]) + cf_test=X11/$cf_x_athena_root/SimpleMenu.h + if test "$cf_path" != default ; then + CF_APPEND_TEXT(CPPFLAGS,-I$cf_path/include) + AC_MSG_CHECKING(for $cf_test in $cf_path) + else + AC_MSG_CHECKING(for $cf_test) + fi + AC_TRY_COMPILE([ +#include <X11/Intrinsic.h> +#include <$cf_test>],[], + [cf_result=yes], + [cf_result=no]) + AC_MSG_RESULT($cf_result) + CF_RESTORE_XTRA_FLAGS([CF_X_ATHENA_CPPFLAGS]) + if test "$cf_result" = yes ; then + test "$cf_path" = default && cf_x_athena_inc=default + test "$cf_path" != default && cf_x_athena_inc="$cf_path/include" + break + fi + fi +done + +if test -z "$cf_x_athena_inc" ; then + AC_MSG_WARN([Unable to find Athena header files]) +elif test "$cf_x_athena_inc" != default ; then + CF_APPEND_TEXT(CPPFLAGS,-I$cf_x_athena_inc) +fi +]) +dnl --------------------------------------------------------------------------- +dnl CF_X_ATHENA_LIBS version: 14 updated: 2023/01/11 04:05:23 +dnl ---------------- +dnl Normally invoked by CF_X_ATHENA, with $1 set to the appropriate flavor of +dnl the Athena widgets, e.g., Xaw, Xaw3d, neXtaw. +AC_DEFUN([CF_X_ATHENA_LIBS], +[AC_REQUIRE([CF_X_TOOLKIT]) +cf_x_athena_root=ifelse([$1],,Xaw,[$1]) +cf_x_athena_lib="" + +for cf_path in default \ + /usr/contrib/X11R6 \ + /usr/contrib/X11R5 \ + /usr/lib/X11R5 \ + /usr/local +do + for cf_lib in \ + ${cf_x_athena_root} \ + ${cf_x_athena_root}7 \ + ${cf_x_athena_root}6 + do + for cf_libs in \ + "-l$cf_lib -lXmu" \ + "-l$cf_lib -lXpm -lXmu" \ + "-l${cf_lib}_s -lXmu_s" + do + test -n "$cf_x_athena_lib" && break + + CF_SAVE_XTRA_FLAGS([CF_X_ATHENA_LIBS]) + cf_test=XawSimpleMenuAddGlobalActions + test "$cf_path" != default && cf_libs="-L$cf_path/lib $cf_libs" + CF_ADD_LIBS($cf_libs) + AC_MSG_CHECKING(for $cf_test in $cf_libs) + AC_TRY_LINK([ +$ac_includes_default +#include <X11/Intrinsic.h> +#include <X11/$cf_x_athena_root/SimpleMenu.h> +],[ +$cf_test((XtAppContext) 0)], + [cf_result=yes], + [cf_result=no]) + AC_MSG_RESULT($cf_result) + CF_RESTORE_XTRA_FLAGS([CF_X_ATHENA_LIBS]) + + if test "$cf_result" = yes ; then + cf_x_athena_lib="$cf_libs" + break + fi + done # cf_libs + test -n "$cf_x_athena_lib" && break + done # cf_lib +done + +if test -z "$cf_x_athena_lib" ; then + AC_MSG_ERROR( +[Unable to successfully link Athena library (-l$cf_x_athena_root) with test program]) +fi + +CF_ADD_LIBS($cf_x_athena_lib) +CF_UPPER(cf_x_athena_LIBS,HAVE_LIB_$cf_x_athena) +AC_DEFINE_UNQUOTED($cf_x_athena_LIBS) +]) +dnl --------------------------------------------------------------------------- +dnl CF_X_EXT version: 3 updated: 2010/06/02 05:03:05 +dnl -------- +AC_DEFUN([CF_X_EXT],[ +CF_TRY_PKG_CONFIG(Xext,,[ + AC_CHECK_LIB(Xext,XextCreateExtension, + [CF_ADD_LIB(Xext)])]) +])dnl +dnl --------------------------------------------------------------------------- +dnl CF_X_TOOLKIT version: 27 updated: 2023/01/11 04:05:23 +dnl ------------ +dnl Check for X Toolkit libraries +AC_DEFUN([CF_X_TOOLKIT], +[ +AC_REQUIRE([AC_PATH_XTRA]) +AC_REQUIRE([CF_CHECK_CACHE]) + +# OSX is schizoid about who owns /usr/X11 (old) versus /opt/X11 (new) (and +# in some cases has installed dummy files in the former, other cases replaced +# it with a link to the new location). This complicates the configure script. +# Check for that pitfall, and recover using pkg-config +# +# If none of these are set, the configuration is almost certainly broken. +if test -z "${X_CFLAGS}${X_PRE_LIBS}${X_LIBS}${X_EXTRA_LIBS}" +then + CF_TRY_PKG_CONFIG(x11,,[AC_MSG_WARN(unable to find X11 library)]) + CF_TRY_PKG_CONFIG(ice,,[AC_MSG_WARN(unable to find ICE library)]) + CF_TRY_PKG_CONFIG(sm,,[AC_MSG_WARN(unable to find SM library)]) + CF_TRY_PKG_CONFIG(xt,,[AC_MSG_WARN(unable to find Xt library)]) +else + LIBS="$X_PRE_LIBS $LIBS $X_EXTRA_LIBS" +fi + +cf_have_X_LIBS=no + +CF_TRY_PKG_CONFIG(xt,[ + + case "x$LIBS" in + (*-lX11*) + ;; + (*) +# we have an "xt" package, but it may omit Xt's dependency on X11 +AC_CACHE_CHECK(for usable X dependency,cf_cv_xt_x11_compat,[ +AC_TRY_LINK([ +$ac_includes_default +#include <X11/Xlib.h> +],[ + int rc1 = XDrawLine((Display*) 0, (Drawable) 0, (GC) 0, 0, 0, 0, 0); + int rc2 = XClearWindow((Display*) 0, (Window) 0); + int rc3 = XMoveWindow((Display*) 0, (Window) 0, 0, 0); + int rc4 = XMoveResizeWindow((Display*)0, (Window)0, 0, 0, 0, 0); +],[cf_cv_xt_x11_compat=yes],[cf_cv_xt_x11_compat=no])]) + if test "$cf_cv_xt_x11_compat" = no + then + CF_VERBOSE(work around broken X11 dependency) + # 2010/11/19 - good enough until a working Xt on Xcb is delivered. + CF_TRY_PKG_CONFIG(x11,,[CF_ADD_LIB_AFTER(-lXt,-lX11)]) + fi + ;; + esac + +AC_CACHE_CHECK(for usable X Toolkit package,cf_cv_xt_ice_compat,[ +AC_TRY_LINK([ +$ac_includes_default +#include <X11/Shell.h> +],[int num = IceConnectionNumber(0); (void) num +],[cf_cv_xt_ice_compat=yes],[cf_cv_xt_ice_compat=no])]) + + if test "$cf_cv_xt_ice_compat" = no + then + # workaround for broken ".pc" files used for X Toolkit. + case "x$X_PRE_LIBS" in + (*-lICE*) + case "x$LIBS" in + (*-lICE*) + ;; + (*) + CF_VERBOSE(work around broken ICE dependency) + CF_TRY_PKG_CONFIG(ice, + [CF_TRY_PKG_CONFIG(sm)], + [CF_ADD_LIB_AFTER(-lXt,$X_PRE_LIBS)]) + ;; + esac + ;; + esac + fi + + cf_have_X_LIBS=yes +],[ + + LDFLAGS="$X_LIBS $LDFLAGS" + CF_CHECK_CFLAGS($X_CFLAGS) + + AC_CHECK_FUNC(XOpenDisplay,,[ + AC_CHECK_LIB(X11,XOpenDisplay, + [CF_ADD_LIB(X11)])]) + + AC_CHECK_FUNC(XtAppInitialize,,[ + AC_CHECK_LIB(Xt, XtAppInitialize, + [AC_DEFINE(HAVE_LIBXT,1,[Define to 1 if we can compile with the Xt library]) + cf_have_X_LIBS=Xt + LIBS="-lXt $LIBS"])]) +]) + +if test "$cf_have_X_LIBS" = no ; then + AC_MSG_WARN( +[Unable to successfully link X Toolkit library (-lXt) with +test program. You will have to check and add the proper libraries by hand +to makefile.]) +fi +])dnl +dnl --------------------------------------------------------------------------- +dnl CF__CHECK_RUN version: 2 updated: 2023/01/05 17:58:44 +dnl ------------- +dnl Check if a simple program can be made to run with the existing libraries. +define([CF__CHECK_RUN],[ +AC_TRY_RUN([$ac_includes_default +int main(void) { + fflush(stderr); + ${cf_cv_main_return:-return}(0); +}], + $1=yes, + $1=no, + $1=unknown) +]) +dnl --------------------------------------------------------------------------- +dnl CF__CURSES_HEAD version: 2 updated: 2010/10/23 15:54:49 +dnl --------------- +dnl Define a reusable chunk which includes <curses.h> and <term.h> when they +dnl are both available. +define([CF__CURSES_HEAD],[ +#ifdef HAVE_XCURSES +#include <xcurses.h> +char * XCursesProgramName = "test"; +#else +#include <${cf_cv_ncurses_header:-curses.h}> +#if defined(NCURSES_VERSION) && defined(HAVE_NCURSESW_TERM_H) +#include <ncursesw/term.h> +#elif defined(NCURSES_VERSION) && defined(HAVE_NCURSES_TERM_H) +#include <ncurses/term.h> +#elif defined(HAVE_TERM_H) +#include <term.h> +#endif +#endif +]) +dnl --------------------------------------------------------------------------- +dnl CF__ICONV_BODY version: 2 updated: 2007/07/26 17:35:47 +dnl -------------- +dnl Test-code needed for iconv compile-checks +define([CF__ICONV_BODY],[ + iconv_t cd = iconv_open("",""); + iconv(cd,NULL,NULL,NULL,NULL); + iconv_close(cd);] +)dnl +dnl --------------------------------------------------------------------------- +dnl CF__ICONV_HEAD version: 1 updated: 2007/07/26 15:57:03 +dnl -------------- +dnl Header-files needed for iconv compile-checks +define([CF__ICONV_HEAD],[ +#include <stdlib.h> +#include <iconv.h>] +)dnl +dnl --------------------------------------------------------------------------- +dnl CF__INET_HEAD version: 2 updated: 2022/12/04 16:36:15 +dnl ------------- +dnl Header-files needed for inet.h compile-checks +define([CF__INET_HEAD],[ +$ac_includes_default +#if defined(__MINGW32__) + +#undef WIN32_LEAN_AND_MEAN +#define WIN32_LEAN_AND_MEAN +#include <windows.h> + +#ifdef HAVE_WINSOCK2_H +#include <winsock2.h> +#else +#ifdef HAVE_WINSOCK_H +#include <winsock.h> +#endif +#endif + +#else + +#include <sys/types.h> +#include <sys/socket.h> +#include <netinet/in.h> +#include <arpa/inet.h> + +#endif +])dnl +dnl --------------------------------------------------------------------------- +dnl CF__INTL_BODY version: 4 updated: 2021/05/19 19:35:25 +dnl ------------- +dnl Test-code needed for libintl compile-checks +dnl $1 = parameter 2 from AM_WITH_NLS +define([CF__INTL_BODY],[ + bindtextdomain ("", ""); + return (gettext ("") != 0) + ifelse([$1], need-ngettext, [ + (ngettext ("", "", 0) != 0)], []) +#ifndef IGNORE_MSGFMT_HACK + [ + _nl_msg_cat_cntr] +#endif +]) +dnl --------------------------------------------------------------------------- +dnl CF__INTL_HEAD version: 1 updated: 2007/07/26 17:35:47 +dnl ------------- +dnl Header-files needed for libintl compile-checks +define([CF__INTL_HEAD],[ +#include <libintl.h> +extern int _nl_msg_cat_cntr; +])dnl +dnl --------------------------------------------------------------------------- +dnl CF__SED_TRIMBLANKS version: 1 updated: 2021/01/02 09:31:20 +dnl ------------------ +dnl Trim something using sed, then trim extra whitespace +dnl $1 = extra parameters, e.g., in CF_STRIP_G_OPT +define([CF__SED_TRIMBLANKS],[sed ifelse($1,,,[$1] )-e 's%[[ ]]% %g' -e 's% [[ ]]*% %g' -e 's%^ %%' -e 's% [$]%%'])dnl +dnl --------------------------------------------------------------------------- +dnl CF__SSL_BODY version: 2 updated: 2008/04/13 10:56:06 +dnl ------------ +dnl Body for test-compile of SSL code. +define([CF__SSL_BODY],[ +#ifdef USE_GNUTLS_FUNCS + gnutls_global_init(); +#else + SSL_shutdown((SSL *)0) +#endif +])dnl +dnl --------------------------------------------------------------------------- +dnl CF__SSL_HEAD version: 2 updated: 2008/04/13 10:56:06 +dnl ------------ +dnl Headers for test-compile of SSL code. +define([CF__SSL_HEAD],[ +#include <stdio.h> +#if defined(USE_OPENSSL_INCL) +#include <openssl/ssl.h> +#elif defined(USE_GNUTLS_FUNCS) +#include <gnutls/gnutls.h> +#elif defined(USE_GNUTLS_INCL) +#include <gnutls/openssl.h> +#else +#include <ssl.h> +#endif +])dnl +dnl --------------------------------------------------------------------------- +dnl CF__XOPEN_SOURCE_BODY version: 2 updated: 2023/02/18 17:41:25 +dnl --------------------- +dnl body of test when test-compiling for _XOPEN_SOURCE check +define([CF__XOPEN_SOURCE_BODY], +[ +#ifndef _XOPEN_SOURCE +#error _XOPEN_SOURCE is not defined +#endif +]) +dnl --------------------------------------------------------------------------- +dnl CF__XOPEN_SOURCE_HEAD version: 2 updated: 2023/02/18 17:41:25 +dnl --------------------- +dnl headers to include when test-compiling for _XOPEN_SOURCE check +define([CF__XOPEN_SOURCE_HEAD], +[ +$ac_includes_default +]) +dnl --------------------------------------------------------------------------- +dnl jm_GLIBC21 version: 4 updated: 2015/05/10 19:52:14 +dnl ---------- +dnl Inserted as requested by gettext 0.10.40 +dnl File from /usr/share/aclocal +dnl glibc21.m4 +dnl ==================== +dnl serial 2 +dnl +dnl Test for the GNU C Library, version 2.1 or newer. +dnl From Bruno Haible. +AC_DEFUN([jm_GLIBC21], +[ +AC_CACHE_CHECK(whether we are using the GNU C Library 2.1 or newer, + ac_cv_gnu_library_2_1, + [AC_EGREP_CPP([Lucky GNU user], + [ +#include <features.h> +#ifdef __GNU_LIBRARY__ + #if (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 1) || (__GLIBC__ > 2) + Lucky GNU user + #endif +#endif + ], + ac_cv_gnu_library_2_1=yes, + ac_cv_gnu_library_2_1=no)]) + AC_SUBST(GLIBC21) + GLIBC21="$ac_cv_gnu_library_2_1" +]) |