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Diffstat (limited to 'configure.ac')
| -rw-r--r-- | configure.ac | 578 |
1 files changed, 578 insertions, 0 deletions
diff --git a/configure.ac b/configure.ac new file mode 100644 index 0000000..0c3f02a --- /dev/null +++ b/configure.ac @@ -0,0 +1,578 @@ +dnl Process this file with autoconf to produce a configure script. +m4_pattern_forbid([^MAN_]) + +# Initialise and check we're in the correct directory. +AC_INIT([man-db], [2.11.2], [cjwatson@debian.org]) +AC_CONFIG_AUX_DIR([build-aux]) +AM_INIT_AUTOMAKE([1.14 -Wall -Wno-override -Werror foreign dist-xz no-dist-gzip parallel-tests]) +AM_SILENT_RULES([yes]) +AC_PREREQ([2.64]) +AC_CONFIG_SRCDIR([src/man.c]) +AC_USE_SYSTEM_EXTENSIONS +MAN_TAR_SORT_NAME + +AC_CONFIG_HEADERS([config.h]) +AC_CANONICAL_HOST + +# Define below date and version information to be put into man pages etc. +date=2023-01-08 +AC_SUBST([date])dnl +roff_version=`echo AC_PACKAGE_VERSION | sed 's/-/\\-/g'` +AC_SUBST([roff_version])dnl + +# Explicitly check for pkg-config early on, since otherwise the conditional +# calls in MAN_ARG_SYSTEMDTMPFILESDIR and MAN_ARG_SYSTEMDSYSTEMUNITDIR are +# problematic. +PKG_PROG_PKG_CONFIG + +# We have to be a bit naughty here and supply options. +# The autoconf literature states that only features that can be separately +# 'built' should use --enable and friends. Oh well... +MAN_ARG_CACHE_OWNER +MAN_ARG_SETUID +MAN_ARG_UNDOC +MAN_ARG_DEVICE +MAN_ARG_DB +MAN_ARG_CONFIG_FILE +MAN_ARG_SECTIONS +MAN_ARG_AUTOMATIC_CREATE +MAN_ARG_AUTOMATIC_UPDATE +MAN_ARG_CATS +MAN_ARG_OVERRIDE_DIR +MAN_ARG_SYSTEMDTMPFILESDIR +MAN_ARG_SYSTEMDSYSTEMUNITDIR +MAN_ARG_MANDIRS +MAN_ARG_MANUAL +MAN_ARG_SNAPDIR + +# Check $PATH for the following programs and append suitable options. +AC_PROG_CC +gl_EARLY +AC_PROG_CPP +CFLAGS="$CFLAGS -Wall" +case $host_os in + ultrix4.3*) + dnl When compiled for BSD environment, each running `man' + dnl increases the system load as reported by uptime(1) by + dnl one. The reason for this behaviour is currently + dnl unknown, but the load increase does *not* reflect actual + dnl resource usage. To avoid it, compile for POSIX + dnl environment: + CFLAGS="$CFLAGS -YPOSIX" + ;; +esac + +AC_ARG_ENABLE([gcc-warnings], + [AS_HELP_STRING([--enable-gcc-warnings=TYPE], + [control generation of GCC warnings. The TYPE 'no' disables + warnings; 'yes' generates cheap warnings if available (default); + 'expensive' in addition generates expensive-to-compute warnings + if available])], + [case $enableval in + no|yes|expensive) ;; + *) AC_MSG_ERROR([bad value $enableval for gcc-warnings option]) ;; + esac + man_gcc_warnings=$enableval], + [man_gcc_warnings=yes] +) +if test "$man_gcc_warnings" != no; then + # Enable all reasonable GCC warnings. + gl_MANYWARN_ALL_GCC([warnings]) + nw= + nw="$nw -Wsystem-headers" + nw="$nw -Wmissing-field-initializers" + nw="$nw -Winline" + if test "$man_gcc_warnings" != expensive; then + nw="$nw -fanalyzer" + fi + gl_MANYWARN_COMPLEMENT([warnings], [$warnings], [$nw]) + for w in $warnings; do + gl_WARN_ADD([$w]) + done + gl_WARN_ADD([-Wno-missing-field-initializers]) + # Disable use of VLAs by Gnulib to avoid tripping over -Wvla. + AC_DEFINE([GNULIB_NO_VLA], [1], [Define to 1 to disable use of VLAs.]) +fi + +AC_PROG_INSTALL +AC_PROG_LN_S +AM_PROG_AR +LT_INIT([disable-static]) + +libman_export_ldflags= +if test "$with_gnu_ld" = yes; then + case $host_os in + cygwin*|mingw*|pw32*|cegcc*) + libman_export_ldflags='-Wl,--export-all-symbols' + ;; + esac +fi +AC_SUBST([LIBMAN_EXPORT_LDFLAGS], [$libman_export_ldflags]) + +AC_CHECK_PROGS([cat], [cat]) +AC_DEFINE_UNQUOTED([PROG_CAT], ["$cat"], [Program to use as cat.]) +MAN_CHECK_PROGS([browser], [BROWSER], [use BROWSER as default web browser], [www-browser lynx elinks w3m]) +test -n "$browser" && browser="exec $browser" +AC_DEFINE_UNQUOTED([PROG_BROWSER], ["$browser"], [Program to use as browser.]) +AC_CHECK_PROGS([tr], [tr]) +AC_DEFINE_UNQUOTED([PROG_TR], ["$tr"], [Program to use as tr.]) +AC_CHECK_PROGS([grep], [grep]) +AC_DEFINE_UNQUOTED([PROG_GREP], ["$grep"], [Program to use as grep.]) +MAN_CHECK_PROGS([pager], [PAGER], [use PAGER as default pager], [pager less more]) +AC_DEFINE_UNQUOTED([PROG_PAGER], ["$pager"], [Program to use as pager.]) + +# Define below (in list of preference) *roff macros to check for. +macros="andoc an doc" + +# We have problems here, as different systems have different *roff +# formatters and they accept different options and do different things :( +MAN_CHECK_PROGS([nroff], [NROFF], [use NROFF as roff formatter for character devices], [nroff gnroff groff]) +if test -n "$nroff" +then + MAN_PROG_GNU_NROFF([$nroff]) + if test "$man_cv_prog_gnu_nroff" != "yes" + then + MAN_PROG_HEIRLOOM_NROFF([$nroff]) + fi + if test -n "$nroff_device" + then + AC_MSG_CHECKING([that nroff works with argument$nroff_device]) + # We cannot cache this result as it can change between runs + # of configure. + if $nroff $nroff_device </dev/null >/dev/null 2>&1 3>&1 + then + AC_MSG_RESULT([yes]) + else + AC_MSG_RESULT([no]) + AC_MSG_ERROR([nroff does not work with argument$nroff_device]) + fi + fi + AC_MSG_CHECKING([for appropriate nroff macro]) + AC_CACHE_VAL([man_cv_prog_nroff_macro], [ + + for macro in $macros + do + if $nroff -m$macro $nroff_device </dev/null >/dev/null 2>&1 3>&1 + then + man_cv_prog_nroff_macro=-m$macro + break + fi + done]) + + if test -n "$man_cv_prog_nroff_macro" + then + if test "$man_cv_prog_heirloom_nroff" = "yes" + then + # Heirloom works best with some extra options: + # -mg: groff compatibility + # -msafe: disable privileged operations + # -mpadj: clean up line breaking + man_cv_prog_nroff_macro="-mg -msafe -mpadj ${man_cv_prog_nroff_macro}" + fi + nroff="$nroff ${man_cv_prog_nroff_macro}" +dnl nroff="$nroff ${man_cv_prog_nroff_macro}${nroff_device}" + AC_MSG_RESULT([$man_cv_prog_nroff_macro]) + else + AC_MSG_RESULT([ambiguous]) + AC_MSG_WARN([please edit config.h and add nroff definition]) + fi +else + AC_MSG_WARN([Cannot find an nroff-like program, formatting of manual page source will not be supported.]) + nroff="(nroff not installed)" + AC_DEFINE([NROFF_MISSING], [1], [Define if you don't have nroff.]) +fi +AC_DEFINE_UNQUOTED([PROG_NROFF], ["$nroff"], [Program to use as nroff.]) + +dnl It would be nice to use MAN_CHECK_PROGS here, but how do we determine +dnl TROFF_IS_GROFF? +AC_CHECK_PROGS([troff], [groff]) +if test -n "$troff" +then + troff_is_groff=yes + AC_DEFINE([TROFF_IS_GROFF], [1], [Define if you are using groff as troff.]) + TROFF=groff +else + troff_is_groff=no + AC_CHECK_PROGS([troff], [troff gtroff]) + TROFF=troff +fi +AC_SUBST([troff_is_groff]) +AC_SUBST([TROFF]) +if test -n "$troff" +then + AC_DEFINE([HAS_TROFF], [1], [Define if you have troff.]) + AC_MSG_CHECKING([for appropriate $TROFF options]) + AC_CACHE_VAL([man_cv_prog_troff_options], [ + # Do a quick test to see if -t works [AIX needs this], groff doesn't + # as it indicates pre-process with tbl. + test "$TROFF" = "troff" && $troff -t </dev/null >/dev/null 2>&1 3>&1 \ + && troff_filter="-t " + for macro in $macros + do + if $troff $troff_filter -m$macro </dev/null >/dev/null 2>&1 3>&1 + then + man_cv_prog_troff_options="${troff_filter}-m${macro}" + break + fi + done]) + if test -n "$man_cv_prog_troff_options" + then + if test "$man_cv_prog_heirloom_nroff" = "yes" + then + # Heirloom works best with some extra options: + # -mg: groff compatibility + # -msafe: disable privileged operations + # -mpadj: clean up line breaking + man_cv_prog_troff_options="-mg -msafe -mpadj ${man_cv_prog_troff_options}" + fi + troff="$troff $man_cv_prog_troff_options" + AC_MSG_RESULT([$man_cv_prog_troff_options]) + else + AC_MSG_RESULT([ambiguous]) + AC_MSG_WARN([please edit config.h and add troff definition]) + fi +else + troff="(troff not installed)" +fi +AC_DEFINE_UNQUOTED([PROG_TROFF], ["$troff"], [Program to use as troff.]) +dnl We want to end up with "-" written as "\-" in manual pages. This +dnl requires additional \-escaping corresponding to the following quote +dnl removal steps: +dnl 1) the following sed command +dnl 2) the following assignment +dnl 2) sed running on the substituted version of man/replace.sin.in +troff_as_troff_input=`echo "$troff" | sed 's/-/\\\\\\\\-/g'` +AC_SUBST([troff_as_troff_input]) + +if test -n "$nroff" +then + AC_CACHE_CHECK([whether nroff supports warning control], + [man_cv_prog_nroff_warnings], [ + if test "x$troff_is_groff" = xyes && \ + nroff -wmac </dev/null >/dev/null 2>&1 + then + man_cv_prog_nroff_warnings=yes + else + man_cv_prog_nroff_warnings=no + fi]) + if test "x$man_cv_prog_nroff_warnings" = xyes; then + AC_DEFINE([NROFF_WARNINGS], [1], + [Define if nroff supports warning control.]) + fi +fi + +AC_CHECK_PROGS([preconv], [gpreconv preconv]) + +AC_MSG_CHECKING([for groff with Debian multibyte patch or real Unicode support]) +man_mb_groff=no +AC_ARG_ENABLE([mb-groff], +[AS_HELP_STRING([--enable-mb-groff], [expect groff with Debian multibyte patch or real Unicode support])], + [if test "$enableval" = "yes" + then + man_mb_groff=yes + fi], + [if test -n "$preconv" + then + man_mb_groff=yes + elif test -n "$troff" && test "$troff_is_groff" = "yes" + then + if $troff -Tnippon </dev/null >/dev/null 2>&1 + then + man_mb_groff=yes + fi + fi]) +AC_MSG_RESULT([$man_mb_groff]) +if test "$man_mb_groff" = "yes" +then + AC_DEFINE([MULTIBYTE_GROFF], 1, + [Define if your groff installation has the Debian multibyte patch.]) +fi + +MAN_CHECK_PROGS([eqn], [EQN], [use EQN to preprocess equations], [eqn geqn]) +AC_DEFINE_UNQUOTED([PROG_EQN], ["$eqn"], [Program to use as eqn.]) +MAN_CHECK_PROGS([neqn], [NEQN], [use NEQN to preprocess equations for character devices], [neqn gneqn]) +# If we fail to find an neqn, use eqn and try to force it to output for an +# ascii device. As this is only relevant for equations (?), not using latin1 +# should be acceptable. -Tlatin1 is ignored by some eqn implementations. +if test -z "$neqn" +then + test -n "$eqn" && + (test -n "$nroff_device" && neqn="$eqn -T$nroff_device" || neqn="$eqn -Tascii") +fi +AC_DEFINE_UNQUOTED([PROG_NEQN], ["$neqn"], [Program to use as neqn.]) +MAN_CHECK_PROGS([tbl], [TBL], [use TBL to preprocess tables], [tbl gtbl]) +AC_DEFINE_UNQUOTED([PROG_TBL], ["$tbl"], [Program to use as tbl.]) +TBL_X_FORMAT= +if test -n "$tbl" +then + AC_CACHE_CHECK([whether tbl supports the 'x' format character], + [man_cv_tbl_x_format], [ + if (echo .TS; echo ';'; echo lx.; echo SENTINEL; echo .TE) | \ + $tbl 2>/dev/null | grep SENTINEL >/dev/null 2>&1 + then + man_cv_tbl_x_format=yes + else + man_cv_tbl_x_format=no + fi]) + if test "x$man_cv_tbl_x_format" = xyes + then + TBL_X_FORMAT=x + fi +fi +AC_SUBST([TBL_X_FORMAT]) +MAN_CHECK_PROGS([col], [COL], [use COL to filter formatting characters from output], [col gcol]) +AC_DEFINE_UNQUOTED([PROG_COL], ["$col"], [Program to use as col.]) +MAN_CHECK_PROGS([vgrind], [VGRIND], [use VGRIND to preprocess program sources], [vgrind gvgrind]) +AC_DEFINE_UNQUOTED([PROG_VGRIND], ["$vgrind"], [Program to use as vgrind.]) +MAN_CHECK_PROGS([refer], [REFER], [use REFER to preprocess bibliographic references], [refer grefer]) +AC_DEFINE_UNQUOTED([PROG_REFER], ["$refer"], [Program to use as refer.]) +MAN_CHECK_PROGS([grap], [GRAP], [use GRAP to preprocess graphs], [grap]) +AC_DEFINE_UNQUOTED([PROG_GRAP], ["$grap"], [Program to use as grap.]) +MAN_CHECK_PROGS([pic], [PIC], [use PIC to preprocess pictures], [pic gpic]) +test -n "$pic" && pic="$pic -S" +AC_DEFINE_UNQUOTED([PROG_PIC], ["$pic"], [Program to use as pic.]) + +MAN_CHECK_PROGS([gzip], [GZIP], [use GZIP as GNU compression utility], [gzip]) +if test -n "$gzip" +then + gunzip="$gzip -dc" + compressor="$gzip -c7" + compress_ext="gz" +fi +MAN_CHECK_PROGS([compress], [COMPRESS], [use COMPRESS as UNIX compression utility], [compress]) +if test -n "$compress" +then + uncompress="$compress -dc" + if test -z "$gzip" + then + compressor="$compress -c" + compress_ext="Z" + fi +fi +MAN_CHECK_PROGS([bzip2], [BZIP2], [use BZIP2 as block-sorting compression utility], [bzip2]) +if test -n "$bzip2" +then + bunzip2="$bzip2 -dc" +fi +MAN_CHECK_PROGS([xz], [XZ], [use XZ as Lempel-Ziv-Markov chain-Algorithm compression utility], [xz]) +if test -n "$xz" +then + unxz="$xz -dc" + unlzma= +else + dnl lzma not used/needed if we have xz + MAN_CHECK_PROGS([lzma], [LZMA], [use LZMA as Lempel-Ziv-Markov chain-Algorithm compression utility], [lzma]) + if test -n "$lzma" + then + unlzma="$lzma -dc" + fi +fi +MAN_CHECK_PROGS([lzip], [LZIP], [use LZIP as Lempel-Ziv-Markov chain-Algorithm compression utility], [lzip]) +if test -n "$lzip" +then + unlzip="$lzip -dc" +fi +MAN_CHECK_PROGS([zstd], [ZSTD], [use ZSTD as LZ77/entropy-coding compression utility], [zstd]) +if test -n "$zstd" +then + unzstd="$zstd -dc" +fi +if test -n "$compressor" +then + AC_DEFINE([COMP_CAT], [1], [Define if you have compressors and want to support compressed cat files.]) +fi +dnl Compressors are used for compressing cat pages. +AC_SUBST([compressor]) +AC_DEFINE_UNQUOTED( + [PROG_COMPRESSOR], ["$compressor"], + [Default compressor, used for compressing cat pages.]) +AC_DEFINE_UNQUOTED( + [COMPRESS_EXT], ["$compress_ext"], + [Default compression extension, used for compressing cat pages.]) +dnl Decompressors are used for decompressing cat pages and nroff source. +dnl To add further decompressors, you will also need to edit +dnl lib/compression.c. +AC_DEFINE_UNQUOTED([PROG_GUNZIP], ["$gunzip"], [Program to use as gunzip.]) +AC_DEFINE_UNQUOTED( + [PROG_UNCOMPRESS], ["$uncompress"], [Program to use as uncompress.]) +AC_DEFINE_UNQUOTED([PROG_BUNZIP2], ["$bunzip2"], [Program to use as bunzip2.]) +AC_DEFINE_UNQUOTED([PROG_UNLZMA], ["$unlzma"], [Program to use as unlzma.]) +AC_DEFINE_UNQUOTED([PROG_UNXZ], ["$unxz"], [Program to use as unxz.]) +AC_DEFINE_UNQUOTED([PROG_UNLZIP], ["$unlzip"], [Program to use as unlzip.]) +AC_DEFINE_UNQUOTED([PROG_UNZSTD], ["$unzstd"], [Program to use as unzstd.]) +MAN_COMPRESS_LIB([z], [gzopen]) +dnl To add more decompressors just follow the scheme above. + +# Check for various header files and associated libraries. +dnl The "noyywrap" argument is new in Autoconf 2.70, but this also works +dnl fine with older versions that ignore the argument. +AC_PROG_LEX([noyywrap]) +if test "$LEX" = ":" && (test ! -e src/lexgrog.c || test ! -e src/zsoelim.c) +then + AC_MSG_ERROR([flex is required when building from revision control]) +fi +gl_INIT +AC_CHECK_HEADERS([sys/file.h linux/fiemap.h]) +AC_CHECK_FUNCS([posix_fadvise]) + +# Internationalization support. +AM_GNU_GETTEXT([external]) +AM_GNU_GETTEXT_VERSION([0.18.3]) +AC_SUBST([LINGUAS]) +AM_ICONV +MAN_PO4A +MAN_LINGUAS + +# Checks for structures and compiler characteristics. +AC_C_CONST +AC_C_INLINE +AC_TYPE_PID_T +AC_TYPE_UID_T +AC_TYPE_SIZE_T + +# Check for pipeline library. +PKG_CHECK_MODULES([libpipeline], [libpipeline >= 1.5.0]) + +# Find a suitable database interface header and library. +# +# Check for GNU dbm routines. +if test "$db" = "no" || test "$db" = "gdbm" +then + AC_CHECK_HEADER([gdbm.h], [ + for lib in gdbm c dbm + do + AC_CHECK_LIB([$lib], [gdbm_fetch], + test "$lib" = "c" || DBLIBS="-l$lib" + [AC_DEFINE([GDBM], [1], [Define if you have, and want to use, gdbm interface routines.]) + AC_SUBST([DBTYPE], [gdbm])] + db=yes, db=no) + if test "$db" = "yes" + then + man_save_LIBS="$LIBS" + LIBS="$LIBS $DBLIBS" + AC_CHECK_FUNCS([gdbm_exists]) + LIBS="$man_save_LIBS" + break + fi + done], db=no) +fi + +# Check for Berkeley db routines (first version API). +MAN_CHECK_BDB([db5 db], [db5/db_185.h db_185.h], [db5 db-5]) +MAN_CHECK_BDB([db4 db], [db4/db_185.h db_185.h], [db4 db-4]) +MAN_CHECK_BDB([db3 db], [db3/db_185.h db_185.h], [db3]) +MAN_CHECK_BDB([db2 db], [db_185.h db2/db_185.h db2_185.h], [db2 db]) +MAN_CHECK_BDB([db1 db], [db/db.h db.h db1/db.h], [db db1 c]) + +dnl MAN_CHECK_BDB([db2], [db2_185.h], [db2 db c], [AC_DEFINE(DB_ON_LIBC)]) +dnl MAN_CHECK_BDB([db2], [db2/db_185.h], [db2 db c]) + +# Check for UNIX ndbm routines. +if test "$db" = "no" || test "$db" = "ndbm" +then + AC_CHECK_HEADER([ndbm.h], [ + for lib in ndbm c dbm + do + AC_CHECK_LIB([$lib], [dbm_fetch], + test "$lib" = "c" || DBLIBS="-l$lib" + [AC_DEFINE([NDBM], [1], [Define if you have, and want to use, ndbm interface routines.]) + AC_SUBST([DBTYPE], [ndbm])] + db=yes, db=no) + test "$db" = "yes" && break + done], db=no) + if test "$db" = no + then + AC_CHECK_HEADER([gdbm-ndbm.h], [ + for lib in gdbm_compat c dbm + do + AC_CHECK_LIB([$lib], [dbm_fetch], + test "$lib" = "c" || DBLIBS="-l$lib" + [AC_DEFINE([NDBM], [1], [Define if you have, and want to use, ndbm interface routines.]) + AC_SUBST([DBTYPE], [ndbm])] + db=yes, db=no) + test "$db" = "yes" && break + done], db=no) + fi +fi + +if test "$db" != "yes" +then + if test "$db" = "no" + then + AC_MSG_ERROR([Fatal: no supported database library/header found]) + else + AC_MSG_ERROR([Fatal: $db: unsupported database library]) + fi +fi +AC_SUBST([DBLIBS]) + +# Check for libseccomp library. +MAN_LIBSECCOMP + +dnl MAN_ECHO_VAR(ENV-VARIABLE) +define([MAN_ECHO_VAR], [AC_MSG_NOTICE([default $1 = "$$1"])])dnl +dnl +MAN_ECHO_VAR([CC]) +MAN_ECHO_VAR([CPP]) +MAN_ECHO_VAR([CPPFLAGS]) +MAN_ECHO_VAR([CFLAGS]) +MAN_ECHO_VAR([LDFLAGS]) +MAN_ECHO_VAR([LIBS]) +MAN_ECHO_VAR([DBLIBS]) + +# Transformed versions of program names for use in Automake variables. +MAN_TRANS_SUBST([apropos]) +MAN_TRANS_SUBST([catman]) +MAN_TRANS_SUBST([lexgrog]) +MAN_TRANS_SUBST([man]) +MAN_TRANS_SUBST([man-recode]) +MAN_TRANS_SUBST([manconv]) +MAN_TRANS_SUBST([mandb]) +MAN_TRANS_SUBST([manpath]) +MAN_TRANS_SUBST([whatis]) +MAN_TRANS_SUBST([zsoelim]) + +# If we're cross-compiling, tests won't work. +AM_CONDITIONAL([CROSS_COMPILING], [test "x$cross_compiling" = xyes]) + +# Are Gnulib translations available? +AM_CONDITIONAL([HAVE_GNULIB_PO], [test -f "$srcdir/gl/po/POTFILES.in"]) + +AC_CONFIG_FILES([Makefile + gl/lib/Makefile + init/Makefile + init/systemd/Makefile + lib/Makefile + src/Makefile + src/man_db.conf + src/tests/Makefile + man/Makefile + man/replace.sin + man/po4a/Makefile + man/da/Makefile + man/de/Makefile + man/es/Makefile + man/fr/Makefile + man/id/Makefile + man/it/Makefile + man/ja/Makefile + man/ko/Makefile + man/nl/Makefile + man/pl/Makefile + man/pt/Makefile + man/pt_BR/Makefile + man/ro/Makefile + man/ru/Makefile + man/sr/Makefile + man/sv/Makefile + man/tr/Makefile + man/zh_CN/Makefile + manual/Makefile + libdb/Makefile + docs/Makefile + tools/Makefile + po/Makefile.in]) +if test -f "$srcdir/gl/po/Makefile.in.in"; then + AC_CONFIG_FILES([gl/po/Makefile.in]) +fi +AC_OUTPUT |