diff --git a/configure.ac b/configure.ac index a44f0c8..d5c6887 100644 --- a/configure.ac +++ b/configure.ac @@ -1,583 +1,589 @@ # configure.ac for libgpg-error # Copyright (C) 2003, 2004, 2006, 2010, 2013-2017 g10 Code GmbH # # This file is part of libgpg-error. # # libgpg-error is free software; you can redistribute it and/or modify # it under the terms of the GNU Lesser General Public License as # published by the Free Software Foundation; either version 2.1 of the # License, or (at your option) any later version. # # libgpg-error is distributed in the hope that it will be useful, # but WITHOUT ANY WARRANTY; without even the implied warranty of # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the # GNU Lesser General Public License for more details. # # You should have received a copy of the GNU General Public License # along with this program; if not, see . # (Process this file with autoconf to produce a configure script.) # The following lines are used by ./autogen.sh. AC_PREREQ(2.59) min_automake_version="1.14" # To build a release you need to create a tag with the version number # (git tag -s libgpg-error-n.m) and run "./autogen.sh --force". # Please bump the version number immediately after the release, do # another commit, and a push so that the git magic is able to work. # See below for the LT versions. m4_define([mym4_package],[libgpg-error]) m4_define([mym4_major], [1]) m4_define([mym4_minor], [28]) # Below is m4 magic to extract and compute the revision number, the # decimalized short revision number, a beta version string, and a flag # indicating a development version (mym4_isgit). Note that the m4 # processing is done by autoconf and not during the configure run. m4_define([mym4_verslist], m4_split(m4_esyscmd([./autogen.sh --find-version] \ mym4_package mym4_major mym4_minor),[:])) m4_define([mym4_isbeta], m4_argn(2, mym4_verslist)) m4_define([mym4_version], m4_argn(4, mym4_verslist)) m4_define([mym4_revision], m4_argn(7, mym4_verslist)) m4_define([mym4_revision_dec], m4_argn(8, mym4_verslist)) m4_esyscmd([echo ]mym4_version[>VERSION]) AC_INIT([mym4_package],[mym4_version], [https://bugs.gnupg.org]) # LT Version numbers, remember to change them just *before* a release. # (Code changed: REVISION++) # (Interfaces added/removed/changed: CURRENT++, REVISION=0) # (Interfaces added: AGE++) # (Interfaces removed: AGE=0) # Note that added error codes don't constitute an interface change. LIBGPG_ERROR_LT_CURRENT=22 LIBGPG_ERROR_LT_AGE=22 LIBGPG_ERROR_LT_REVISION=0 ################################################ AC_SUBST(LIBGPG_ERROR_LT_CURRENT) AC_SUBST(LIBGPG_ERROR_LT_AGE) AC_SUBST(LIBGPG_ERROR_LT_REVISION) VERSION_NUMBER=m4_esyscmd(printf "0x%02x%02x00" mym4_major mym4_minor) AC_SUBST(VERSION_NUMBER) AC_CONFIG_AUX_DIR([build-aux]) AM_INIT_AUTOMAKE([serial-tests dist-bzip2]) AM_MAINTAINER_MODE AC_CONFIG_SRCDIR([src/err-sources.h.in]) AC_CONFIG_HEADER([config.h]) AC_CONFIG_MACRO_DIR([m4]) AM_SILENT_RULES # We need to know about the host architecture to avoid spurious # warnings. AC_CANONICAL_HOST AB_INIT # Checks for programs. AC_PROG_CC AM_PROG_CC_C_O AC_PROG_CPP AC_PROG_AWK AC_CHECK_TOOL(AR, ar, :) AC_GNU_SOURCE -# Set some internal variables depending on the platform for later use. +# Set some variables depending on the platform for later use. have_w32_system=no have_w64_system=no have_w32ce_system=no case "${host}" in x86_64-*mingw32*) have_w32_system=yes have_w64_system=yes ;; *-mingw32ce*) have_w32_system=yes have_w32ce_system=yes ;; *-mingw32*) have_w32_system=yes ;; + *-apple-darwin*) + # This is the equivalent of the _GNU_SOURCE feature-test-macro + # on GNU libc systems. + AC_DEFINE(_DARWIN_C_SOURCE, 900000L, + Expose all libc features (__DARWIN_C_FULL).) + ;; *) ;; esac if test "$have_w32_system" != yes; then gl_THREADLIB_EARLY fi # We build libgpg-error with large file support so that we have a 64 # bit off_t. Our external interface uses the gpgrt_off_t which is # anyway specified as 64 bit. Thus the same libgpg-error can be used # by software which is not build with large file support. AC_SYS_LARGEFILE LT_PREREQ([2.2.6]) LT_INIT([win32-dll disable-static]) LT_LANG([Windows Resource]) # We need to compile and run a program on the build machine. dnl The AC_PROG_CC_FOR_BUILD macro in the AC archive is broken for dnl autoconf 2.57. dnl AC_PROG_CC_FOR_BUILD AC_MSG_CHECKING(for cc for build) if test "$cross_compiling" = "yes"; then CC_FOR_BUILD="${CC_FOR_BUILD-cc}" else CC_FOR_BUILD="${CC_FOR_BUILD-$CC}" fi AC_MSG_RESULT($CC_FOR_BUILD) AC_ARG_VAR(CC_FOR_BUILD,[build system C compiler]) AH_BOTTOM([ /* Force using of NLS for W32 even if no libintl has been found. This is okay because we have our own gettext implementation for W32. */ #if defined(HAVE_W32_SYSTEM) && !defined(ENABLE_NLS) #define ENABLE_NLS 1 #endif /* Connect the generic estream-printf.c to our framework. */ #define _ESTREAM_PRINTF_REALLOC _gpgrt_realloc #define _ESTREAM_PRINTF_EXTRA_INCLUDE "gpgrt-int.h" /* For building we need to define these macro. */ #define GPG_ERR_ENABLE_GETTEXT_MACROS 1 #define GPG_ERR_ENABLE_ERRNO_MACROS 1 #define GPGRT_ENABLE_ES_MACROS 1 ]) # Note, that autogen.sh greps for the next line. AM_GNU_GETTEXT_VERSION([0.19.3]) AM_GNU_GETTEXT([external]) # Checks for header files. AC_HEADER_STDC AC_CHECK_HEADERS([stdlib.h locale.h stdint.h sys/select.h sys/time.h]) AC_FUNC_STRERROR_R case "${host_os}" in solaris*) # All versions of Solaris from 2.4 have a thread-safe strerror(). # Since Solaris 10, in addition strerror_r() exists. ;; *) AC_CHECK_FUNC([strerror_r], [], AC_MSG_WARN([[Without strerror_r, gpg_strerror_r might not be thread-safe]])) ;; esac AC_CHECK_FUNCS([flockfile vasprintf]) # # Checks for typedefs, structures, and compiler characteristics. # AC_C_CONST AC_CHECK_SIZEOF(int) AC_CHECK_SIZEOF(long) AC_CHECK_SIZEOF(long long) AC_HEADER_TIME AC_CHECK_SIZEOF(time_t,,[[ #include #if TIME_WITH_SYS_TIME # include # include #else # if HAVE_SYS_TIME_H # include # else # include # endif #endif ]]) # Find a 64 bit integer type to be used instead of off_t. We prefer # the standard integer types over int64_t and finally try long long. if test "$ac_cv_sizeof_int" = "8"; then replacement_for_off_t="int" elif test "$ac_cv_sizeof_long" = "8"; then replacement_for_off_t="long" elif test "$ac_cv_header_stdint_h" = yes; then replacement_for_off_t="int64_t" elif test "$ac_cv_sizeof_long_long" = "8"; then replacement_for_off_t="long long" else AC_MSG_ERROR([[ *** *** No 64 bit signed integer type found. Can't build this library. ***]]) fi AC_DEFINE_UNQUOTED(REPLACEMENT_FOR_OFF_T, "$replacement_for_off_t", [Used by mkheader to insert the replacement type.]) # # Setup gcc specific options # AC_MSG_NOTICE([checking for cc features]) if test "$GCC" = yes; then # Check whether gcc does not emit a diagnostic for unknown -Wno-* # options. This is the case for gcc >= 4.6 AC_MSG_CHECKING([if gcc ignores unknown -Wno-* options]) AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ #if __GNUC__ < 4 || (__GNUC__ == 4 && __GNUC_MINOR__ < 6 ) #kickerror #endif]],[])],[_gcc_silent_wno=yes],[_gcc_silent_wno=no]) AC_MSG_RESULT($_gcc_silent_wno) # Note that it is okay to use CFLAGS here because these are just # warning options and the user should have a chance of overriding # them. if test "$USE_MAINTAINER_MODE" = "yes"; then CFLAGS="$CFLAGS -O3 -Wall -Wcast-align -Wshadow -Wstrict-prototypes" CFLAGS="$CFLAGS -Wformat -Wno-format-y2k -Wformat-security" if test x"$_gcc_silent_wno" = xyes ; then _gcc_wopt=yes else AC_MSG_CHECKING([if gcc supports -Wno-missing-field-initializers]) _gcc_cflags_save=$CFLAGS CFLAGS="-Wno-missing-field-initializers" AC_COMPILE_IFELSE([AC_LANG_PROGRAM([],[])], [_gcc_wopt=yes],[_gcc_wopt=no]) AC_MSG_RESULT($_gcc_wopt) CFLAGS=$_gcc_cflags_save; fi if test x"$_gcc_wopt" = xyes ; then CFLAGS="$CFLAGS -W -Wno-sign-compare -Wno-missing-field-initializers" fi AC_MSG_CHECKING([if gcc supports -Wdeclaration-after-statement]) _gcc_cflags_save=$CFLAGS CFLAGS="-Wdeclaration-after-statement" AC_COMPILE_IFELSE([AC_LANG_PROGRAM([],[])],_gcc_wopt=yes,_gcc_wopt=no) AC_MSG_RESULT($_gcc_wopt) CFLAGS=$_gcc_cflags_save; if test x"$_gcc_wopt" = xyes ; then CFLAGS="$CFLAGS -Wdeclaration-after-statement" fi else CFLAGS="$CFLAGS -Wall" fi AC_MSG_CHECKING([if gcc supports -Wpointer-arith]) _gcc_cflags_save=$CFLAGS CFLAGS="-Wpointer-arith" AC_COMPILE_IFELSE([AC_LANG_PROGRAM([],[])],_gcc_psign=yes,_gcc_psign=no) AC_MSG_RESULT($_gcc_psign) CFLAGS=$_gcc_cflags_save; if test x"$_gcc_psign" = xyes ; then CFLAGS="$CFLAGS -Wpointer-arith" fi # The undocumented option -Wno-psabi suppresses the annoying # "the ABI of passing union with long double has changed in GCC 4.4" # which is emitted in estream-printf.c but entirely irrelvant # because that union is local to the file. if test x"$_gcc_silent_wno" = xyes ; then CFLAGS="$CFLAGS -Wno-psabi" fi fi # # Check whether the compiler supports the GCC style aligned attribute # AC_CACHE_CHECK([whether the GCC style aligned attribute is supported], [gcry_cv_gcc_attribute_aligned], [gcry_cv_gcc_attribute_aligned=no AC_COMPILE_IFELSE([AC_LANG_SOURCE( [[struct { int a; } foo __attribute__ ((aligned (16)));]])], [gcry_cv_gcc_attribute_aligned=yes])]) if test "$gcry_cv_gcc_attribute_aligned" = "yes" ; then AC_DEFINE(HAVE_GCC_ATTRIBUTE_ALIGNED,1, [Defined if a GCC style "__attribute__ ((aligned (n))" is supported]) fi # # Check for ELF visibility support. # AC_CACHE_CHECK(whether the visibility attribute is supported, gcry_cv_visibility_attribute, [gcry_cv_visibility_attribute=no AC_LANG_CONFTEST([AC_LANG_SOURCE( [[int foo __attribute__ ((visibility ("hidden"))) = 1; int bar __attribute__ ((visibility ("protected"))) = 1; ]])]) if ${CC-cc} -Werror -S conftest.c -o conftest.s \ 1>&AS_MESSAGE_LOG_FD 2>&AS_MESSAGE_LOG_FD ; then if grep '\.hidden.*foo' conftest.s >/dev/null 2>&1 ; then if grep '\.protected.*bar' conftest.s >/dev/null 2>&1; then gcry_cv_visibility_attribute=yes fi fi fi ]) if test "$gcry_cv_visibility_attribute" = "yes"; then AC_CACHE_CHECK(for broken visibility attribute, gcry_cv_broken_visibility_attribute, [gcry_cv_broken_visibility_attribute=yes AC_LANG_CONFTEST([AC_LANG_SOURCE( [[int foo (int x); int bar (int x) __asm__ ("foo") __attribute__ ((visibility ("hidden"))); int bar (int x) { return x; } ]])]) if ${CC-cc} -Werror -S conftest.c -o conftest.s \ 1>&AS_MESSAGE_LOG_FD 2>&AS_MESSAGE_LOG_FD ; then if grep '\.hidden@<:@ _@:>@foo' conftest.s >/dev/null 2>&1; then gcry_cv_broken_visibility_attribute=no fi fi ]) fi if test "$gcry_cv_visibility_attribute" = "yes"; then AC_CACHE_CHECK(for broken alias attribute, gcry_cv_broken_alias_attribute, [gcry_cv_broken_alias_attribute=yes AC_LANG_CONFTEST([AC_LANG_SOURCE( [[extern int foo (int x) __asm ("xyzzy"); int bar (int x) { return x; } extern __typeof (bar) foo __attribute ((weak, alias ("bar"))); extern int dfoo; extern __typeof (dfoo) dfoo __asm ("abccb"); int dfoo = 1; ]])]) if ${CC-cc} -Werror -S conftest.c -o conftest.s \ 1>&AS_MESSAGE_LOG_FD 2>&AS_MESSAGE_LOG_FD ; then if grep 'xyzzy' conftest.s >/dev/null 2>&1 && \ grep 'abccb' conftest.s >/dev/null 2>&1; then gcry_cv_broken_alias_attribute=no fi fi ]) fi if test "$gcry_cv_visibility_attribute" = "yes"; then AC_CACHE_CHECK(if gcc supports -fvisibility=hidden, gcry_cv_gcc_has_f_visibility, [gcry_cv_gcc_has_f_visibility=no _gcc_cflags_save=$CFLAGS CFLAGS="-fvisibility=hidden" AC_COMPILE_IFELSE([AC_LANG_PROGRAM([],[])], gcry_cv_gcc_has_f_visibility=yes) CFLAGS=$_gcc_cflags_save; ]) fi if test "$gcry_cv_visibility_attribute" = "yes" \ && test "$gcry_cv_broken_visibility_attribute" != "yes" \ && test "$gcry_cv_broken_alias_attribute" != "yes" \ && test "$gcry_cv_gcc_has_f_visibility" = "yes" then AC_DEFINE(GPGRT_USE_VISIBILITY, 1, [Define to use the GNU C visibility attribute.]) CFLAGS="$CFLAGS -fvisibility=hidden" fi # # Check whether ld supports a version script. # (Actually not a check but a list of systems which are known to support it.) # have_ld_version_script=no case "${host}" in *-*-linux*) have_ld_version_script=yes ;; *-*-gnu*) have_ld_version_script=yes ;; esac AC_ARG_ENABLE([ld-version-script], AC_HELP_STRING([--enable-ld-version-script], [enable/disable use of linker version script. (default is system dependent)]), [have_ld_version_script=$enableval], [ : ] ) AM_CONDITIONAL(HAVE_LD_VERSION_SCRIPT, test "$have_ld_version_script" = "yes") # # Check for thread library. # # Windows has always thread support; thus we don't bother to test for # it as it may lead to false results when cross building. if test "$have_w32_system" = yes; then AC_DEFINE([USE_WINDOWS_THREADS], [1]) LIBTHREAD= LTLIBTHREAD= LIBMULTITHREAD= LTLIBMULTITHREAD= THREADLIB_CPPFLAGS="" AC_SUBST([LIBTHREAD]) AC_SUBST([LTLIBTHREAD]) AC_SUBST([LIBMULTITHREAD]) AC_SUBST([LTLIBMULTITHREAD]) else gl_LOCK if test "$gl_threads_api" = posix; then AC_CHECK_SIZEOF(pthread_mutex_t,,[AC_INCLUDES_DEFAULT #include ]) fi fi # Default value for GPG_ERROR_CONFIG_LIBS config_libs="-lgpg-error" # # Check for other libraries (now only for -lrt). # LIB_SCHED_YIELD= AC_SUBST([LIB_SCHED_YIELD]) AC_SEARCH_LIBS([sched_yield], [rt posix4], [if test "$ac_cv_search_sched_yield" != "none required"; then LIB_SCHED_YIELD=$ac_cv_search_sched_yield config_libs="$config_libs $LIB_SCHED_YIELD" fi]) # # Prepare building of estream # estream_INIT # # Substitution used for gpg-error-config # GPG_ERROR_CONFIG_LIBS="$config_libs" if test "x$LIBTHREAD" != x; then GPG_ERROR_CONFIG_LIBS="${GPG_ERROR_CONFIG_LIBS} ${LIBTHREAD}" fi if test "x$LIBMULTITHREAD" != x; then GPG_ERROR_CONFIG_MT_LIBS="${LIBMULTITHREAD}" else GPG_ERROR_CONFIG_MT_LIBS="" fi GPG_ERROR_CONFIG_CFLAGS="" if test "x$THREADLIB_CPPFLAGS" != x; then GPG_ERROR_CONFIG_MT_CFLAGS="${THREADLIB_CPPFLAGS}" else GPG_ERROR_CONFIG_MT_CFLAGS="" fi GPG_ERROR_CONFIG_ISUBDIRAFTER="" GPG_ERROR_CONFIG_HOST="$host" AC_SUBST(GPG_ERROR_CONFIG_LIBS) AC_SUBST(GPG_ERROR_CONFIG_CFLAGS) AC_SUBST(GPG_ERROR_CONFIG_MT_LIBS) AC_SUBST(GPG_ERROR_CONFIG_MT_CFLAGS) AC_SUBST(GPG_ERROR_CONFIG_ISUBDIRAFTER) AC_SUBST(GPG_ERROR_CONFIG_HOST) # # Special defines for certain platforms # force_use_syscfg=no if test "$have_w32_system" = yes; then AC_DEFINE(HAVE_W32_SYSTEM,1,[Defined if we run on a W32 API based system]) if test "$have_w64_system" = yes; then AC_DEFINE(HAVE_W64_SYSTEM,1,[Defined if we run on 64 bit W32 API system]) fi if test "$have_w32ce_system" = yes; then AC_DEFINE(HAVE_W32CE_SYSTEM,1,[Defined if we run on WindowsCE]) GPG_ERROR_CONFIG_ISUBDIRAFTER="gpg-extra" fi force_use_syscfg=yes fi if test x$cross_compiling = xyes; then force_use_syscfg=yes fi AM_CONDITIONAL(HAVE_W32_SYSTEM, test "$have_w32_system" = yes) AM_CONDITIONAL(HAVE_W64_SYSTEM, test "$have_w64_system" = yes) AM_CONDITIONAL(HAVE_W32CE_SYSTEM, test "$have_w32ce_system" = yes) AM_CONDITIONAL(CROSS_COMPILING, test x$cross_compiling = xyes) AM_CONDITIONAL(FORCE_USE_SYSCFG, test x$force_use_syscfg = xyes) AC_DEFINE_UNQUOTED(HOST_TRIPLET_STRING, "$host", [The host triplet]) # # Provide information about the build. # BUILD_REVISION="mym4_revision" AC_SUBST(BUILD_REVISION) AC_DEFINE_UNQUOTED(BUILD_REVISION, "$BUILD_REVISION", [GIT commit id revision used to build this package]) changequote(,)dnl BUILD_VERSION=`echo "$PACKAGE_VERSION"|sed 's/\([0-9.]*\).*/\1./'` changequote([,])dnl BUILD_VERSION="${BUILD_VERSION}0.mym4_revision_dec" BUILD_FILEVERSION=`echo "${BUILD_VERSION}" | tr . ,` AC_SUBST(BUILD_VERSION) AC_SUBST(BUILD_FILEVERSION) AC_ARG_ENABLE([build-timestamp], AC_HELP_STRING([--enable-build-timestamp], [set an explicit build timestamp for reproducibility. (default is the current time in ISO-8601 format)]), [if test "$enableval" = "yes"; then BUILD_TIMESTAMP=`date -u +%Y-%m-%dT%H:%M+0000 2>/dev/null || date` else BUILD_TIMESTAMP="$enableval" fi], [BUILD_TIMESTAMP=""]) AC_SUBST(BUILD_TIMESTAMP) AC_DEFINE_UNQUOTED(BUILD_TIMESTAMP, "$BUILD_TIMESTAMP", [The time this package was configured for a build]) AC_ARG_ENABLE(languages, AC_HELP_STRING([--disable-languages], [do not build support for other languages than C])) AM_CONDITIONAL([LANGUAGES_SOME], [test "x$enable_languages" != xno]) build_doc=yes AC_ARG_ENABLE([doc], AC_HELP_STRING([--disable-doc], [do not build the documentation]), build_doc=$enableval, build_doc=yes) AM_CONDITIONAL([BUILD_DOC], [test "x$build_doc" != xno]) build_tests=yes AC_ARG_ENABLE([tests], AC_HELP_STRING([--disable-tests], [do not build the tests]), build_tests=$enableval, build_tests=yes) AM_CONDITIONAL([BUILD_TESTS], [test "x$build_tests" != xno]) # # Substitution # AC_CONFIG_FILES([Makefile]) AC_CONFIG_FILES([doc/Makefile po/Makefile.in m4/Makefile]) AC_CONFIG_FILES([src/Makefile tests/Makefile]) AC_CONFIG_FILES([lang/Makefile lang/cl/Makefile lang/cl/gpg-error.asd]) AC_CONFIG_FILES([src/versioninfo.rc src/gpg-error.w32-manifest]) AC_CONFIG_FILES([src/gpg-error-config], [chmod +x src/gpg-error-config]) AC_OUTPUT tmp= if test "$have_w32_system" != yes; then if test x"$gl_use_threads" = xno; then tmp=" NO-THREADS" fi fi echo " $PACKAGE_NAME v$PACKAGE_VERSION has been configured as follows: Revision: mym4_revision (mym4_revision_dec) Platform: $host$tmp " if test "$gcry_cv_gcc_attribute_aligned" != "yes" ; then cat <