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Diffstat (limited to 'configure.ac')
| -rw-r--r-- | configure.ac | 1023 |
1 files changed, 1023 insertions, 0 deletions
diff --git a/configure.ac b/configure.ac new file mode 100644 index 0000000..9987090 --- /dev/null +++ b/configure.ac @@ -0,0 +1,1023 @@ +dnl Template file for GNU Autoconf +dnl Copyright (C) 1995-1997, 2001, 2007-2014, 2018-2022 Free Software +dnl Foundation, Inc. + +dnl This program is free software; you can redistribute it and/or modify +dnl it under the terms of the GNU General Public License as published by +dnl the Free Software Foundation; either version 3 of the License, or +dnl (at your option) any later version. + +dnl This program is distributed in the hope that it will be useful, +dnl but WITHOUT ANY WARRANTY; without even the implied warranty of +dnl MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +dnl GNU General Public License for more details. + +dnl You should have received a copy of the GNU General Public License +dnl along with this program. If not, see <http://www.gnu.org/licenses/>. + +dnl Additional permission under GNU GPL version 3 section 7 + +dnl If you modify this program, or any covered work, by linking or +dnl combining it with the OpenSSL project's OpenSSL library (or a +dnl modified version of that library), containing parts covered by the +dnl terms of the OpenSSL or SSLeay licenses, the Free Software Foundation +dnl grants you additional permission to convey the resulting work. +dnl Corresponding Source for a non-source form of such a combination +dnl shall include the source code for the parts of OpenSSL used as well +dnl as that of the covered work. + +dnl +dnl Process this file with autoconf to produce a configure script. +dnl + +dnl Error if AX_CODE_COVERAGE if missing (like on the 1.21 release). +m4_pattern_forbid([^_?AX_]) +m4_pattern_allow([AX_CHECK_GNU_MAKE_HEADLINE]) +m4_pattern_allow([_AX_CODE_COVERAGE_GCOV_PROG_WITH]) + +AC_INIT([wget],[m4_esyscmd(build-aux/git-version-gen .tarball-version)],[bug-wget@gnu.org]) +AC_PREREQ([2.64]) + +dnl +dnl What version of Wget are we building? +dnl +AC_MSG_NOTICE([configuring for GNU Wget $PACKAGE_VERSION]) + +AC_CONFIG_MACRO_DIR([m4]) +AC_CONFIG_AUX_DIR([build-aux]) + +AC_CONFIG_SRCDIR([src/wget.h]) + +dnl +dnl Automake setup +dnl +AM_INIT_AUTOMAKE([subdir-objects dist-lzip]) + +AC_USE_SYSTEM_EXTENSIONS +AC_PROG_CC + +dnl +dnl Get canonical host +dnl +AC_CANONICAL_HOST +AC_DEFINE_UNQUOTED([OS_TYPE], "$host_os", + [Define to be the name of the operating system.]) + +dnl Non-verbose make +m4_ifdef([AM_SILENT_RULES], [AM_SILENT_RULES([yes])]) + +dnl +dnl Process External Libraries +dnl + +dnl Libpsl: Public Suffix List checking +AC_ARG_WITH([libpsl], + [AS_HELP_STRING([--without-libpsl], [disable support for libpsl cookie checking.])]) + +dnl SSL: Configure SSL backend to use +AC_ARG_WITH([ssl], + [AS_HELP_STRING([--with-ssl={gnutls,openssl,no}], [specify SSL backend. GNU TLS is the default.])]) + +dnl Zlib: Configure use of zlib for compression +AC_ARG_WITH([zlib], + [AS_HELP_STRING([--without-zlib], [disable zlib.])]) + +dnl Metalink: Configure use of the Metalink library +AC_ARG_WITH([metalink], + [AS_HELP_STRING([--with-metalink], [enable support for metalinks.])]) + +dnl C-Ares: Configure use of the c-ares library for DNS lookup +AC_ARG_WITH(cares, AS_HELP_STRING([--with-cares], [enable support for C-Ares DNS lookup.]), with_cares=$withval, with_cares=no) + +dnl +dnl Process features +dnl + +AC_ARG_ENABLE([fuzzing], + [AS_HELP_STRING([--enable-fuzzing], [Turn on fuzzing build (for developers)])], + [enable_fuzzing=yes; + AC_SUBST([LIB_FUZZING_ENGINE]) + AC_DEFINE([FUZZING], 1, [Define to 1 if this is a fuzzing build]) + ], [enable_fuzzing=no; LIB_FUZZING_ENGINE=""]) +AM_CONDITIONAL([FUZZING], [test "$enable_fuzzing" = "yes"]) + +dnl needed for some fuzzers +OLD_LIBS="$LIBS" +AC_SEARCH_LIBS([dlopen], [dl dld]) +if [[ "${ac_cv_search_dlopen#-l}" != "${ac_cv_search_dlopen}" ]]; then + FUZZ_LIBS="${ac_cv_search_dlopen}" + AC_SUBST([FUZZ_LIBS]) +fi +LIBS="$OLD_LIBS" + + +AC_ARG_ENABLE([fsanitize-ubsan], + [AS_HELP_STRING([--enable-fsanitize-ubsan], [Turn on Undefined Behavior Sanitizer (for developers)])], + [gl_cc_sanitize_ubsan=yes], [gl_cc_sanitize_ubsan=no]) + +AC_ARG_ENABLE([fsanitize-asan], + [AS_HELP_STRING([--enable-fsanitize-asan], [Turn on Address Sanitizer (for developers) (mutually exclusive with Memory/Thread sanitizer or Valgrind tests)])], + [gl_cc_sanitize_asan=yes], [gl_cc_sanitize_asan=no]) + +AC_ARG_ENABLE([fsanitize-msan], + [AS_HELP_STRING([--enable-fsanitize-msan], [Turn on Memory Sanitizer (for developers) (mutually exclusive with Address/Thread sanitizer or Valgrind tests)])], + [gl_cc_sanitize_msan=yes], [gl_cc_sanitize_msan=no]) + +if test "$gl_cc_sanitize_asan" = yes; then + if test "$gl_cc_sanitize_msan" = yes; then + AC_MSG_ERROR([Address Sanitizer and Memory Sanitizer are mutually exclusive]) + fi +fi + +if test "$gl_cc_sanitize_ubsan" = yes; then + gl_WARN_ADD([-fsanitize=undefined]) + gl_WARN_ADD([-fno-sanitize-recover=undefined]) + + # additional clang options + gl_WARN_ADD([-fsanitize=integer]) + gl_WARN_ADD([-fsanitize=nullability]) + gl_WARN_ADD([-fno-sanitize-recover=nullability]) +fi + +if test "$gl_cc_sanitize_asan" = yes; then + gl_WARN_ADD([-fsanitize=address]) + gl_WARN_ADD([-fno-omit-frame-pointer]) + + # additional clang option + gl_WARN_ADD([-fsanitize-address-use-after-scope]) +fi + +if test "$gl_cc_sanitize_msan" = yes; then + # clang options + gl_WARN_ADD([-fsanitize=memory]) + gl_WARN_ADD([-fsanitize-memory-track-origins]) + + # gcc options + if test "$CCNAME" = "gcc"; then + gl_WARN_ADD([-fsanitize=leak]) + fi + + gl_WARN_ADD([-fno-omit-frame-pointer]) + gl_WARN_ADD([-fPIE]) +fi + + +dnl Opie: Support for opie s/key FTP logins +AC_ARG_ENABLE([opie], + [AS_HELP_STRING([--disable-opie], [disable support for opie or s/key FTP login])], + [ENABLE_OPIE=$enableval], + [ENABLE_OPIE=yes]) + +AS_IF([test "x$ENABLE_OPIE" = xyes], + [AC_DEFINE([ENABLE_OPIE], [1], [Define if you want Opie support for FTP compiled in.])], + [] +) + + +dnl Digest: Support for HTTP Digest Authentication +AC_ARG_ENABLE([digest], + [AS_HELP_STRING([--disable-digest], [disable support for HTTP digest authorization])], + [ENABLE_DIGEST=$enableval], + [ENABLE_DIGEST=yes]) + +AS_IF([test "x$ENABLE_DIGEST" = xyes], + [AC_DEFINE([ENABLE_DIGEST], [1], [Define if you want the HTTP Digest Authorization compiled in.])], + [] +) + + +dnl NTLM: Support for HTTP NTLM Authentication +AC_ARG_ENABLE([ntlm], + [AS_HELP_STRING([--disable-ntlm], [disable support for NTLM authorization])], + [ENABLE_NTLM=$enableval], + [ENABLE_NTLM=auto] +) + + +dnl Debug: Support for printing debugging output +AC_ARG_ENABLE([debug], + [AS_HELP_STRING([--disable-debug], [disable support for debugging output])], + [ENABLE_DEBUG=$enableval], + [ENABLE_DEBUG=yes]) + +AS_IF([test "x$ENABLE_DEBUG" = xyes], + [AC_DEFINE([ENABLE_DEBUG], [1], [Define if you want the debug output support compiled in.])], + [] +) + +dnl Valgrind-tests: Should test suite be run under valgrind? +AC_ARG_ENABLE(valgrind-tests, + [AS_HELP_STRING([--enable-valgrind-tests], [enable using Valgrind for tests])], + [ENABLE_VALGRIND=$enableval], + [ENABLE_VALGRIND=no]) + +AS_IF([test "x$ENABLE_VALGRIND" != xno], [ + AC_CHECK_PROG(HAVE_VALGRIND, valgrind, yes, no) + AS_IF([test "x$HAVE_VALGRIND" = xyes], [ + if test "$gl_cc_sanitize_asan" = yes; then + AC_MSG_ERROR([Valgrind and Address Sanitizer are mutually exclusive]) + elif test "$gl_cc_sanitize_msan" = yes; then + AC_MSG_ERROR([Valgrind and Memory Sanitizer are mutually exclusive]) + fi + + VALGRIND_TESTS="1" + AC_SUBST(VALGRIND_TESTS) + VALGRIND_INFO="Test suite will be run under Valgrind" + ], [ + VALGRIND_INFO="Valgrind not found" + ]) +], [ + VALGRIND_INFO="Valgrind testing not enabled" +]) + +AC_ARG_ENABLE(assert, + [AS_HELP_STRING([--enable-assert], [enable assertions in code base])], + [ENABLE_ASSERTION=$enableval], + [ENABLE_ASSERTION=no] +) + +AS_IF([test "x$ENABLE_ASSERTION" != xyes], [ + CFLAGS="-DNDEBUG $CFLAGS" + ], + []) + +dnl +dnl Find the compiler +dnl + +dnl We want these before the checks, so the checks can modify their values. +test -z "$CFLAGS" && CFLAGS= auto_cflags=1 +test -z "$CC" && cc_specified=yes + +gl_EARLY + +dnl +dnl Find python3 +dnl +AM_PATH_PYTHON([3.0],,[:]) +AM_CONDITIONAL([HAVE_PYTHON3], [test "$PYTHON" != :]) + +dnl +dnl Gettext +dnl +AM_GNU_GETTEXT([external],[need-ngettext]) +AM_GNU_GETTEXT_VERSION([0.19.3]) +AM_GNU_GETTEXT_REQUIRE_VERSION([0.19.3]) + +AC_PROG_RANLIB + +AC_PROG_LEX([noyywrap]) + +dnl Turn on optimization by default. Specifically: +dnl +dnl if the user hasn't specified CFLAGS, then +dnl if compiler is gcc, then +dnl use -O2 and some warning flags +dnl else +dnl use os-specific flags or -O +dnl +dnl For these tests, the system considers clang to be gcc +if test -n "$auto_cflags"; then + if test -n "$GCC"; then + CFLAGS="$CFLAGS -O2 -Wall -Wextra" + else + case "$host_os" in + *hpux*) CFLAGS="$CFLAGS +O3" ;; + *ultrix* | *osf*) CFLAGS="$CFLAGS -O -Olimit 2000" ;; + *) CFLAGS="$CFLAGS -O" ;; + esac + fi +fi + +dnl +dnl Checks for basic compiler characteristics. +dnl +AC_C_CONST +AC_C_INLINE +AC_C_VOLATILE + +dnl Check for large file support. This check needs to come fairly +dnl early because it could (in principle) affect whether functions and +dnl headers are available, whether they work, etc. +AC_SYS_LARGEFILE +AC_CHECK_SIZEOF(off_t) + +dnl +dnl Checks for system header files that might be missing. +dnl +AC_HEADER_STDBOOL +AC_CHECK_HEADERS(unistd.h sys/time.h) +AC_CHECK_HEADERS(termios.h sys/ioctl.h sys/select.h) +AC_CHECK_HEADERS(stdint.h inttypes.h pwd.h wchar.h dlfcn.h) + +AC_CHECK_DECLS(h_errno,,,[#include <netdb.h>]) + +dnl +dnl Check sizes of integer types. These are used to find n-bit +dnl integral types on older systems that fail to provide intN_t and +dnl uintN_t typedefs. +dnl +AC_CHECK_SIZEOF([long]) + +dnl +dnl Checks for non-universal or system-specific types. +dnl +AC_TYPE_SIZE_T +AC_TYPE_PID_T +AC_CHECK_TYPES([uint32_t, uintptr_t, intptr_t, int64_t]) +AC_CHECK_TYPES(sig_atomic_t, [], [], [ +#include <stdio.h> +#include <sys/types.h> +#include <inttypes.h> +#include <signal.h> +]) + +# gnulib, AM_ICONV should be placed before gl_INIT +AM_ICONV +gl_INIT + +AX_CODE_COVERAGE + +dnl +dnl Checks for library functions. +dnl +AC_FUNC_MMAP +AC_FUNC_FSEEKO +AC_CHECK_FUNCS(strptime timegm vsnprintf vasprintf drand48 pathconf) +AC_CHECK_FUNCS(strtoll usleep ftello sigblock sigsetjmp memrchr wcwidth mbtowc) +AC_CHECK_FUNCS(sleep symlink utime strlcpy random fmemopen) + +dnl We expect to have these functions on Unix-like systems configure +dnl runs on. The defines are provided to get them in config.h.in so +dnl Wget can still be ported to non-Unix systems (such as Windows) +dnl that lack some of these functions. +AC_DEFINE([HAVE_STRDUP], 1, [Define to 1 if you have the 'strdup' function.]) +AC_DEFINE([HAVE_ISATTY], 1, [Define to 1 if you have the 'isatty' function.]) + +dnl Deal with specific hosts +case $host_os in + *mingw32* ) + LIBS+=' -lws2_32' + OS_USED="mswindows" + ;; +esac +AM_CONDITIONAL([OS_MSWINDOWS], [test x"$OS_USED" = x"mswindows"]) + +# enable all possible compiler warnings in WARN_FLAGS +# +# to enable by default: create a file '.manywarnings' +# enable explicitly : ./configure --enable-manywarnings +# disable explicitly: ./configure --disable-manywarnings +sanitizer_flags="$WARN_CFLAGS" +wget_MANYWARNINGS(WARN_CFLAGS, C) +WARN_CFLAGS="$WARN_CFLAGS $sanitizer_flags" + +if test -n "$WARN_CFLAGS"; then + if test "$CCNAME" = "gcc"; then + # Set up list of unwanted warnings + nw= + nw="$nw -Wsystem-headers" # System headers may trigger lot's of useless warnings + nw="$nw -Wvla" # This project is C99 + nw="$nw -Wstack-protector" + nw="$nw -Wmissing-field-initializer" + nw="$nw -Wtraditional" + nw="$nw -Wtraditional-conversion" + nw="$nw -Wc++-compat" + nw="$nw -Wcast-qual" + nw="$nw -Wconversion" + nw="$nw -Wsign-conversion" + nw="$nw -Wunsuffixed-float-constants" + nw="$nw -Wdeclaration-after-statement" # C89 only, messing up gcc < 5 + nw="$nw -Wcast-function-type" # gcc 8, very noisy + nw="$nw -Wabi" # gcc 8, very noisy + nw="$nw -Wunused-macros" # triggers in auto-generated lex css parser, #pragma doesn't work, conflicts with -Werror + nw="$nw -Wchkp" # Deprecated option + nw="$nw -Wswitch-enum" # Too noisy + nw="$nw -Wswitch-default" # TODO: Enable someday. Too noisy for now + nw="$nw -Wpedantic" # GCC 11. Too noisy, will never be supported + nw="$nw -Wnested-externs" # Stylistic choice and we do use it in hsts code + if test "$cross_compiling" = yes; then + nw="$nw -Wformat" + fi + + # remove unwanted warn flags + wget_WORD_REMOVE([WARN_CFLAGS], [$WARN_CFLAGS], [$nw]) + + WARN_CFLAGS="$WARN_CFLAGS -Wno-undef -Wno-float-equal" + + # add more flags as you like + if test $GCC_VERSION -ge 5; then + WARN_CFLAGS="$WARN_CFLAGS -fdiagnostics-color=always" + fi + if test "$cross_compiling" = yes; then + WARN_CFLAGS="$WARN_CFLAGS -Wno-format" + fi + if test $GCC_VERSION -ge 8; then + WARN_CFLAGS="$WARN_CFLAGS -Wno-cast-function-type" + fi + # WARN_CFLAGS="$WARN_CFLAGS -Werror" + + # We use a slightly smaller set of warning options for lib/. + # Remove the following and save the result in GNULIB_WARN_CFLAGS. + # Removing is not enough if these switches are implicitly set by other + # flags like -Wall or -Wextra. We have to explicitly unset them + # with -Wno-.... + nw= + nw="$nw -Wpedantic" + nw="$nw -Wsign-compare" + nw="$nw -Wunused-parameter" + nw="$nw -Wswitch-default" + nw="$nw -Wformat-nonliteral" + nw="$nw -Wsuggest-attribute=pure" + nw="$nw -Wunsafe-loop-optimizations" + nw="$nw -Wundef" + nw="$nw -Wswitch-enum" + nw="$nw -Wbad-function-cast" + nw="$nw -Wredundant-decls" + nw="$nw -Werror" + wget_WORD_REMOVE([GNULIB_WARN_CFLAGS], [$WARN_CFLAGS], [$nw]) + wget_WORD_REMOVE([CFLAGS], [$CFLAGS], [-Werror]) + + # disable options implicitly set by other options + GNULIB_WARN_CFLAGS="-Wno-error $GNULIB_WARN_CFLAGS" + GNULIB_WARN_CFLAGS="$GNULIB_WARN_CFLAGS -Wno-sign-compare -Wno-unused-parameter -Wno-alloca" + GNULIB_WARN_CFLAGS="$GNULIB_WARN_CFLAGS -Wno-float-conversion -Wno-cast-function-type" + if test "$cross_compiling" = yes; then + GNULIB_WARN_CFLAGS="$GNULIB_WARN_CFLAGS -Wno-incompatible-pointer-types" + fi + + elif test "$CCNAME" = "clang"; then + # setup flags for this project + WARN_CFLAGS="$WARN_CFLAGS -Wno-system-headers -Wno-vla -Wno-cast-qual -Wno-padded" + WARN_CFLAGS="$WARN_CFLAGS -Wno-reserved-id-macro -Wno-sign-conversion -Wno-disabled-macro-expansion" + WARN_CFLAGS="$WARN_CFLAGS -Wno-documentation -Wno-documentation-unknown-command" + WARN_CFLAGS="$WARN_CFLAGS -Wno-covered-switch-default -Wno-unused-macros" + WARN_CFLAGS="$WARN_CFLAGS -Wno-missing-field-initializers" + + # remove all flags from WARN_FLAGS that are already in CFLAGS + # wget_WORD_REMOVE([WARN_CFLAGS], [$WARN_CFLAGS], [$CFLAGS]) + + wget_WORD_REMOVE([CFLAGS], [$CFLAGS], [-Werror]) + + # disable verbose options + GNULIB_WARN_CFLAGS="-Wno-error $GNULIB_WARN_CFLAGS" + GNULIB_WARN_CFLAGS="$WARN_CFLAGS -Wno-sign-compare -Wno-unused-parameter -Wno-undef -Wno-format-nonliteral" + GNULIB_WARN_CFLAGS="$GNULIB_WARN_CFLAGS -Wno-conversion -Wno-disabled-macro-expansion -Wno-c++98-compat" + GNULIB_WARN_CFLAGS="$GNULIB_WARN_CFLAGS -Wno-gnu-statement-expression -Wno-shorten-64-to-32 -Wno-switch-enum" + GNULIB_WARN_CFLAGS="$GNULIB_WARN_CFLAGS -Wno-unused-macros -Wno-missing-field-initializers" + GNULIB_WARN_CFLAGS="$GNULIB_WARN_CFLAGS -Wno-gnu-zero-variadic-macro-arguments -Wno-conditional-uninitialized" + GNULIB_WARN_CFLAGS="$GNULIB_WARN_CFLAGS -Wno-comma -Wno-assign-enum -Wno-unreachable-code -Wno-error" + GNULIB_WARN_CFLAGS="$GNULIB_WARN_CFLAGS -Wno-missing-field-initializers" + + # remove all flags from GNULIB_WARN_FLAGS that are already in CFLAGS + # wget_WORD_REMOVE([GNULIB_WARN_CFLAGS], [$GNULIB_WARN_CFLAGS], [$CFLAGS]) + fi + + AC_SUBST([WARN_CFLAGS]) + AC_SUBST([GNULIB_WARN_CFLAGS]) +fi + + +dnl +dnl Checks for libraries. +dnl + +PKG_PROG_PKG_CONFIG + +AS_IF([test "x$with_libpsl" != xno], [ + PKG_CHECK_MODULES([LIBPSL], libpsl, [ + with_libpsl=yes + # correct $LIBPSL_LIBS (in libpsl <= 0.6.0) + AS_IF([test "x$LIBPSL_LIBS" = "x-llibpsl "], [LIBPSL_LIBS="-lpsl"]) + LIBS="$LIBPSL_LIBS $LIBS" + CFLAGS="$LIBPSL_CFLAGS $CFLAGS" + AC_DEFINE([HAVE_LIBPSL], [1], [PSL support enabled]) + ], [ + AC_SEARCH_LIBS(psl_builtin, psl, + [with_libpsl=yes; AC_DEFINE([HAVE_LIBPSL], [1], [PSL support enabled])], + [with_libpsl=no; AC_MSG_WARN(*** libpsl was not found. Fallback to builtin cookie checking.)]) + ]) +]) + +AS_IF([test x"$with_libpsl" = xyes], [ + AC_CHECK_FUNCS(psl_latest) +]) + +AS_IF([test x"$with_zlib" != xno], [ + with_zlib=yes + PKG_CHECK_MODULES([ZLIB], zlib, [ + LIBS="$ZLIB_LIBS $LIBS" + CFLAGS="$ZLIB_CFLAGS $CFLAGS" + AC_DEFINE([HAVE_LIBZ], [1], [Define if using zlib.]) + ], [ + AC_CHECK_LIB(z, compress) + ]) +]) + +AS_IF([test x"$with_ssl" = xopenssl], [ + if [test x"$with_libssl_prefix" = x]; then + PKG_CHECK_MODULES([OPENSSL], [openssl], [ + AC_MSG_NOTICE([compiling in support for SSL via OpenSSL]) + ssl_library="openssl" + LIBS="$OPENSSL_LIBS $LIBS" + CFLAGS="$OPENSSL_CFLAGS -DHAVE_LIBSSL $CFLAGS" + LIBSSL=" " # ntlm check below wants this + AC_CHECK_FUNCS([RAND_egd]) + AC_DEFINE([HAVE_LIBSSL], [1], [Define if using openssl.]) + ssl_found=yes + ]) + fi + if [test x"$ssl_found" != xyes]; then + dnl As of this writing (OpenSSL 0.9.6), the libcrypto shared library + dnl doesn't record its dependency on libdl, so we need to make sure + dnl -ldl ends up in LIBS on systems that have it. Most OSes use + dnl dlopen(), but HP-UX uses shl_load(). + AC_CHECK_LIB(dl, dlopen, [], [ + AC_CHECK_LIB(dl, shl_load) + ]) + + ssl_found=no + case $host_os in + *mingw32* ) + dnl prefer link to openssl dlls if possible. if not then fallback on static libs. if not then error + + AC_CHECK_LIB(eay32, EVP_MD_CTX_init) + if test x"$ac_cv_lib_eay32_EVP_MD_CTX_init" != xno + then + AC_CHECK_LIB(ssl32, SSL_connect, [ + ssl_found=yes + AC_MSG_NOTICE([Enabling support for SSL via OpenSSL (shared)]) + ssl_library="openssl" + LIBS="${LIBS} -lssl32" + AC_DEFINE([HAVE_LIBSSL32], [1], [Define to 1 if you have the 'ssl32' library (-lssl32).]) + ], + AC_MSG_ERROR([openssl not found: shared lib eay32 found but ssl32 not found])) + + else + LIBS+=' -lgdi32' + dnl fallback and test static libs + fi + dnl add zdll lib as dep for above tests? + ;; + esac + + AS_IF([test x$ssl_found != xyes], [ + dnl Now actually check for -lssl if it wasn't already found + AC_LIB_HAVE_LINKFLAGS([ssl], [crypto], [ +#include <openssl/ssl.h> +#include <openssl/x509.h> +#include <openssl/err.h> +#include <openssl/rand.h> +#include <openssl/des.h> +#include <openssl/md4.h> +#include <openssl/md5.h> + ], [SSL_library_init ()]) + if test x"$LIBSSL" != x + then + ssl_found=yes + AC_MSG_NOTICE([compiling in support for SSL via OpenSSL]) + ssl_library="openssl" + LIBS="$LIBSSL $LIBS" + AC_CHECK_FUNCS([RAND_egd]) + elif test x"$with_ssl" != x + then + AC_MSG_ERROR([--with-ssl=openssl was given, but SSL is not available.]) + fi + ]) + fi +], [ + # --with-ssl is not openssl: check if it's no + AS_IF([test x"$with_ssl" != xno], [ + dnl default is -lgnutls + with_ssl=gnutls + + dnl Now actually check for -lgnutls + if [test x"$with_libgnutls_prefix" = x]; then + PKG_CHECK_MODULES([GNUTLS], [gnutls], [ + AC_MSG_NOTICE([compiling in support for SSL via GnuTLS]) + ssl_library="gnutls" + LIBS="$GNUTLS_LIBS $LIBS" + CFLAGS="$GNUTLS_CFLAGS -DHAVE_LIBGNUTLS $CFLAGS" + AC_DEFINE([HAVE_LIBGNUTLS], [1], [Define if using gnutls.]) + ssl_found=yes + ]) + fi + if [test x"$ssl_found" != xyes]; then + AC_LIB_HAVE_LINKFLAGS([gnutls], [], [ +#include <gnutls/gnutls.h> + ], [gnutls_global_init()]) + if test x"$LIBGNUTLS" != x + then + ssl_found=yes + AC_MSG_NOTICE([compiling in support for SSL via GnuTLS]) + ssl_library="gnutls" + LIBS="$LIBGNUTLS $LIBS" + else + AC_MSG_ERROR([GnuTLS has not been found. Use --with-ssl=openssl if you explicitly want OpenSSL.]) + fi + fi + + AC_CHECK_FUNCS(gnutls_priority_set_direct) + ]) # endif: --with-ssl != no? +]) # endif: --with-ssl == openssl? + +dnl Enable NTLM if requested and if SSL is available. +if test x"$LIBSSL" != x || test "$ac_cv_lib_ssl32_SSL_connect" = yes +then + if test x"$ENABLE_NTLM" != xno + then + ENABLE_NTLM=yes + AC_DEFINE([ENABLE_NTLM], 1, [Define if you want the NTLM authorization support compiled in.]) + fi +else + PKG_CHECK_MODULES([NETTLE], nettle, [ + HAVE_NETTLE=yes + LIBS="$NETTLE_LIBS $LIBS" + CFLAGS="$NETTLE_CFLAGS $CFLAGS" + ], [ + AC_CHECK_LIB(nettle, nettle_md4_init, [HAVE_NETTLE=yes], [HAVE_NETTLE=no; AC_MSG_WARN(*** libnettle was not found. You will not be able to use NTLM)]) + if test x"$HAVE_NETTLE" != xyes; then + if test x"$ENABLE_NTLM" = xyes; then + AC_MSG_ERROR([NTLM authorization requested and SSL not enabled; aborting]) + fi + else + AC_SUBST(NETTLE_LIBS, "-lnettle") + LIBS="$NETTLE_LIBS $LIBS" + fi + ]) + + if test x"$HAVE_NETTLE" = xyes; then + AC_DEFINE([HAVE_NETTLE], [1], [Use libnettle]) + ENABLE_NTLM=yes + AC_DEFINE([ENABLE_NTLM], 1, [Define if you want the NTLM authorization support compiled in.]) + fi +fi + +dnl ********************************************************************** +dnl Checks for IPv6 +dnl ********************************************************************** + +dnl +dnl We test for IPv6 by checking, in turn, for availability of +dnl presence of the INET6 address/protocol family and the existence of +dnl struct sockaddr_in6. If any of them is missing, IPv6 is disabled, +dnl and the code reverts to old-style gethostbyname. +dnl +dnl If --enable-ipv6 is explicitly specified on the configure command +dnl line, we check for IPv6 and abort if not found. If --disable-ipv6 +dnl is specified, we disable IPv6 and don't check for it. The default +dnl is to autodetect IPv6 and use it where available. +dnl + +AC_ARG_ENABLE(ipv6, + AS_HELP_STRING([--disable-ipv6],[disable IPv6 support]), + [case "${enable_ipv6}" in + no) + AC_MSG_NOTICE([disabling IPv6 at user request]) + dnl Disable IPv6 checking + ipv6=no + ;; + yes) + dnl IPv6 explicitly enabled: force its use (abort if unavailable). + ipv6=yes + force_ipv6=yes + ;; + auto) + dnl Auto-detect IPv6, i.e. check for IPv6, but don't force it. + ipv6=yes + ;; + *) + AC_MSG_ERROR([Invalid --enable-ipv6 argument '$enable_ipv6']) + ;; + esac + ], [ + dnl If nothing is specified, assume auto-detection. + ipv6=yes + ] +) + +if test "X$ipv6" = "Xyes"; then + PROTO_INET6([], [ + AC_MSG_NOTICE([Disabling IPv6 support: your system does not support the PF_INET6 protocol family]) + ipv6=no + ]) +fi + +if test "X$ipv6" = "Xyes"; then + TYPE_STRUCT_SOCKADDR_IN6([],[ + AC_MSG_NOTICE([Disabling IPv6 support: your system does not support 'struct sockaddr_in6']) + ipv6=no + ]) + if test "X$ipv6" = "Xyes"; then + WGET_STRUCT_SOCKADDR_STORAGE + MEMBER_SIN6_SCOPE_ID + fi +fi + +if test "X$ipv6" = "Xyes"; then + AC_DEFINE([ENABLE_IPV6], 1, [Define if IPv6 support is enabled.]) + AC_MSG_NOTICE([Enabling support for IPv6.]) +elif test "x$force_ipv6" = "xyes"; then + AC_MSG_ERROR([IPv6 support requested but not found; aborting]) +fi + +dnl +dnl Find makeinfo. We used to provide support for Emacs processing +dnl Texinfo using 'emacs -batch -eval ...' where makeinfo is +dnl unavailable, but that broke with the addition of makeinfo-specific +dnl command-line options, such as '-I'. Now we depend on makeinfo to +dnl build the Info documentation. +dnl + +AC_CHECK_PROGS(MAKEINFO, [makeinfo], [true]) + +dnl +dnl Find perl and pod2man +dnl + +AC_PATH_PROGS(PERL, [perl5 perl], no) +AC_PATH_PROG(POD2MAN, pod2man, no) + +if test "x${POD2MAN}" = xno; then + COMMENT_IF_NO_POD2MAN="# " +else + COMMENT_IF_NO_POD2MAN= +fi +AC_SUBST(COMMENT_IF_NO_POD2MAN) + + +dnl +dnl Check for IDN/IRIs +dnl + +AC_ARG_ENABLE(iri, + AS_HELP_STRING([--disable-iri],[disable IDN/IRIs support]), + [case "${enable_iri}" in + no) + dnl Disable IRIs checking + AC_MSG_NOTICE([disabling IRIs at user request]) + iri=no + ;; + yes) + dnl IRIs explicitly enabled + iri=yes + force_iri=yes + ;; + auto) + dnl Auto-detect IRI + iri=yes + ;; + *) + AC_MSG_ERROR([Invalid --enable-iri argument '$enable_iri']) + ;; + esac + ], [ + dnl If nothing is specified, assume auto-detection + iri=yes + ] +) + +AS_IF([test "X$iri" != "Xno"],[ + if test "X$am_cv_func_iconv" != "Xyes"; then + iri=no + if test "X$force_iri" = "Xyes"; then + AC_MSG_ERROR([Libiconv is required for IRIs support]) + else + AC_MSG_NOTICE([disabling IRIs because libiconv wasn't found]) + fi + fi +]) + +if test "X$iri" != "Xno"; then + AS_IF([test "x$with_libidn2" != xno], [ + PKG_CHECK_MODULES([LIBIDN2], [libidn2 >= 0.14.0], [ + with_libidn2=yes + LIBS="$LIBIDN2_LIBS $LIBS" + CFLAGS="$LIBIDN2_CFLAGS $CFLAGS" + AC_DEFINE([ENABLE_IRI], 1, [Define if IRI support is enabled.]) + ], [ + AC_SEARCH_LIBS(idn2_lookup_u8, idn2, + [with_libidn2=yes; AC_DEFINE([ENABLE_IRI], 1, [Define if IRI support is enabled.])], + [with_libidn2=no; iri=no; AC_MSG_WARN(*** LIBIDN2 was not found. You will not be able to use IDN2008 support)]) + ]) + ]) +fi + +dnl +dnl Check for UUID +dnl + +AC_ARG_WITH(libuuid, AS_HELP_STRING([--without-libuuid],[Generate UUIDs for WARC files via libuuid])) + +AS_IF([test "x$with_libuuid" = xyes], [ + # libuuid was explicitly requested + PKG_CHECK_MODULES([UUID], uuid, [ + LIBS="$UUID_LIBS $LIBS" + CFLAGS="$UUID_CFLAGS $CFLAGS" + uuid_mode=1 + ], [ + AC_SEARCH_LIBS(uuid_generate, uuid, + [uuid_mode=1], + [AC_MSG_ERROR(*** libuuid was explicitly requested but wasn't found.)]) + ]) +], [test "x$with_libuuid" = xno], [ + # libuuid was explicitly *not* requested + AC_CHECK_HEADER(uuid.h, + AC_CHECK_FUNC(uuid_create, [uuid_mode=2])) +], [ + # default: + AC_CHECK_HEADER(uuid.h, [ + AC_CHECK_FUNC(uuid_create, [uuid_mode=2]) + ], [ + AC_CHECK_HEADER(uuid/uuid.h, + AC_SEARCH_LIBS(uuid_generate, uuid, [uuid_mode=1])) + ]) +]) + +AS_IF([test "x$uuid_mode" = x1], [ + AC_DEFINE([HAVE_LIBUUID], [1], [Define if using libuuid.]) +], [test "x$uuid_mode" = x2], [ + AC_DEFINE([HAVE_UUID_CREATE], 1, [Define if uuid_create is available.]) +]) + +dnl +dnl Check for PCRE2 / PCRE +dnl + +AC_ARG_ENABLE(pcre2, AS_HELP_STRING([--disable-pcre2],[Disable PCRE2 style regular expressions])) +AC_ARG_ENABLE(pcre, AS_HELP_STRING([--disable-pcre],[Disable PCRE style regular expressions])) + +AS_IF([test "X$enable_pcre2" != "Xno"],[ + enable_pcre2=no + PKG_CHECK_MODULES([PCRE2], libpcre2-8, [ + CFLAGS="$PCRE2_CFLAGS $CFLAGS" + LIBS="$PCRE2_LIBS $LIBS" + AC_DEFINE([HAVE_LIBPCRE2], [1], [Define if libpcre2 is available.]) + enable_pcre2=yes + ], [ + AC_CHECK_HEADER(pcre2.h, [ + AC_CHECK_LIB(pcre2-8, pcre2_compile_8, [ + LIBS="${LIBS} -lpcre2-8" + AC_DEFINE([HAVE_LIBPCRE2], 1, [Define if libpcre2 is available.]) + enable_pcre2=yes + ]) + ]) + ]) +]) + +AS_IF([test "X$enable_pcre" != "Xno" && test "X$enable_pcre2" != "Xyes"],[ + PKG_CHECK_MODULES([PCRE], libpcre, [ + CFLAGS="$PCRE_CFLAGS $CFLAGS" + AC_CHECK_HEADER(pcre.h, [ + LIBS="$PCRE_LIBS $LIBS" + AC_DEFINE([HAVE_LIBPCRE], [1], [Define if libpcre is available.]) + enable_pcre=yes + ]) + ], [ + AC_CHECK_HEADER(pcre.h, [ + AC_CHECK_LIB(pcre, pcre_compile, [ + LIBS="${LIBS} -lpcre" + AC_DEFINE([HAVE_LIBPCRE], 1, [Define if libpcre is available.]) + ]) + ]) + ]) +]) + +AS_IF([test "X$enable_pcre2" = Xyes], [PCRE_INFO="yes, via libpcre2"], [test "X$enable_pcre" = Xyes], [PCRE_INFO="yes, via libpcre"], [PCRE_INFO=no]) + +dnl +dnl Check for libcares (resolver library) +dnl + +AS_IF([test "X$with_cares" = "Xyes"],[ + PKG_CHECK_MODULES([CARES], libcares, [ + CFLAGS="$CARES_CFLAGS $CFLAGS" + AC_CHECK_HEADER(ares.h, [ + LIBS="$CARES_LIBS $LIBS" + AC_DEFINE([HAVE_LIBCARES], [1], [Define if libcares is available.]) + RESOLVER_INFO="libcares, --bind-dns-address and --dns-servers available" + ]) + ], [ + AC_CHECK_HEADER(ares.h, [ + AC_CHECK_LIB(cares, ares_set_local_ip4, [ + LIBS="-lcares ${LIBS}" + AC_DEFINE([HAVE_LIBCARES], 1, [Define if libcares is available.]) + RESOLVER_INFO="libcares, --bind-dns-address and --dns-servers available" + ]) + ]) + ]) +], [ + RESOLVER_INFO="libc, --bind-dns-address and --dns-servers not available" +]) + +dnl +dnl Check for libmetalink +dnl +AS_IF([test x"$with_metalink" != xno], [ + PKG_CHECK_MODULES([METALINK], libmetalink, [ + LIBS="$METALINK_LIBS $LIBS" + CFLAGS="$METALINK_CFLAGS $CFLAGS" + AC_DEFINE([HAVE_METALINK], [1], [Define if using metalink.]) + with_metalink=yes + ], [ + with_metalink=no + ]) + + have_gpg=no + AS_IF([test x"$with_metalink" = xyes], [ + dnl + dnl Check for GPGME + dnl + PKG_CHECK_MODULES([GPGME], gpgme, [ + LIBS="$LIBS $GPGME_LIBS" + CFLAGS="$GPGME_CFLAGS $CFLAGS" + AC_DEFINE([HAVE_GPGME], [1], [Define if GPGME is available.]) + have_gpg=yes + ], [ + m4_ifdef([AM_PATH_GPGME], [ + AM_PATH_GPGME([], [ + # Put libgpgme to the end of the library list since it introduces a -L linker flags. + # That -L might break the build if there are two different version of + # a library (e.g. GnuTLS) in /usr/local and in the system directory. + LIBS="$LIBS $GPGME_LIBS" + CFLAGS="$GPGME_CFLAGS $CFLAGS" + AC_DEFINE([HAVE_GPGME], [1], [Define if GPGME is available.]) + have_gpg=yes + ]) + ]) + ]) + ]) +]) + +dnl +dnl Extended Attribute support +dnl + +AC_ARG_ENABLE([xattr], + [AS_HELP_STRING([--disable-xattr], [disable support for POSIX Extended Attributes])], + [ENABLE_XATTR=$enableval], + [ENABLE_XATTR=yes]) + +case "$host_os" in + *linux* | *darwin*) xattr_syscalls="fsetxattr" ;; + freebsd*) xattr_syscalls="extattr_set_fd" ;; + *) AC_MSG_NOTICE([Disabling Extended Attribute support: your system is not known to support extended attributes.]) + ENABLE_XATTR=no +esac + +if test "X${ENABLE_XATTR}" = "Xyes"; then + AC_CHECK_FUNCS([$xattr_syscalls], [], [ + AC_MSG_NOTICE([Disabling Extended Attribute support: your system does not support $xattr_syscalls]) + ENABLE_XATTR=no + ]) +fi + +test "X${ENABLE_XATTR}" = "Xyes" && AC_DEFINE([ENABLE_XATTR], 1, + [Define if you want file meta-data storing into POSIX Extended Attributes compiled in.]) + +dnl Needed by src/Makefile.am +AM_CONDITIONAL([WITH_IRI], [test "X$iri" != "Xno"]) +AM_CONDITIONAL([WITH_SSL], [test "X$with_ssl" != "Xno"]) +AM_CONDITIONAL([WITH_METALINK], [test "X$with_metalink" != "Xno"]) +AM_CONDITIONAL([WITH_XATTR], [test "X$ENABLE_XATTR" != "Xno"]) +AM_CONDITIONAL([WITH_NTLM], [test "X$ENABLE_NTLM" = "Xyes"]) +AM_CONDITIONAL([WITH_OPIE], [test x"$ENABLE_OPIE" = x"yes"]) +AM_CONDITIONAL([WITH_OPENSSL], [test x"$ssl_library" = x"openssl"]) +AM_CONDITIONAL([WITH_GNUTLS], [test x"$ssl_library" = x"gnutls"]) + +dnl +dnl Create output +dnl +AC_CONFIG_FILES([Makefile src/Makefile doc/Makefile util/Makefile + po/Makefile.in gnulib_po/Makefile.in tests/Makefile + fuzz/Makefile lib/Makefile testenv/Makefile + tests/certs/interca.conf tests/certs/rootca.conf]) +AC_CONFIG_HEADERS([src/config.h]) +AC_OUTPUT + +AC_MSG_NOTICE([Summary of build options: + + Version: $PACKAGE_VERSION + Host OS: $host_os + Install prefix: $prefix + Compiler: $CC + CFlags: $CFLAGS $CPPFLAGS $WARN_CFLAGS + LDFlags: $LDFLAGS + Libs: $LIBS + SSL: $with_ssl + Zlib: $with_zlib + PSL: $with_libpsl + PCRE: $PCRE_INFO + Digest: $ENABLE_DIGEST + NTLM: $ENABLE_NTLM + OPIE: $ENABLE_OPIE + POSIX xattr: $ENABLE_XATTR + Debugging: $ENABLE_DEBUG + Assertions: $ENABLE_ASSERTION + Valgrind: $VALGRIND_INFO + Metalink: $with_metalink + Resolver: $RESOLVER_INFO + GPGME: $have_gpg + IRI: $iri + Fuzzing build: $enable_fuzzing, $LIB_FUZZING_ENGINE +]) |