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Diffstat (limited to 'lang/cpp/configure.ac')
| -rw-r--r-- | lang/cpp/configure.ac | 464 |
1 files changed, 464 insertions, 0 deletions
diff --git a/lang/cpp/configure.ac b/lang/cpp/configure.ac new file mode 100644 index 00000000..9f8414ac --- /dev/null +++ b/lang/cpp/configure.ac @@ -0,0 +1,464 @@ +# configure.ac for GPGME++ +# Copyright (C) 2000 Werner Koch (dd9jn) +# Copyright (C) 2001-2021, 2024 g10 Code GmbH +# +# This file is part of GPGME++. +# +# GPGME++ 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. +# +# GPGME++ 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 Lesser General Public +# License along with this program; if not, see <https://gnu.org/licenses/>. +# SPDX-License-Identifier: LGPL-2.1-or-later + +# (Process this file with autoconf to produce a configure script.) +AC_PREREQ([2.69]) +min_automake_version="1.14" + +# To build a release you need to create a tag with the version number +# "gpgmepp-n.m.k" and run "./autogen.sh --force". Please bump the +# version number immediately after the release and do another commit +# and push so that the git magic is able to work. If you start a new +# series by bumping the minor (m) remember to also create a tag named +# "gpgmepp-n.m-base" as the start point for beta numbering. See below +# for the LT versions. +m4_define([mym4_package],[gpgmepp]) +m4_define([mym4_major], [1]) +m4_define([mym4_minor], [24]) +m4_define([mym4_micro], [0]) + +# Below is m4 magic to extract and compute the git revision number, +# the decimalized short revision number, a beta version string and a +# flag indicating a development version (mym4_isbeta). 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 mym4_micro),[:])) +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) +# +# If there is an ABI break in gpgmepp also bump the version in +# IMPORTED_LOCATION in the GpgmeppConfig-w32.cmake.in.in +LIBGPGMEPP_LT_CURRENT=26 +LIBGPGMEPP_LT_AGE=20 +LIBGPGMEPP_LT_REVISION=1 +################################################ + +AC_SUBST(LIBGPGMEPP_LT_CURRENT) +AC_SUBST(LIBGPGMEPP_LT_AGE) +AC_SUBST(LIBGPGMEPP_LT_REVISION) + +############################################## + +NEED_GPG_ERROR_VERSION=1.47 + +# We need GpgME matching the minor version of GpgME++ +NEED_GPGME_VERSION=mym4_major.mym4_minor.0 + +VERSION_MAJOR=mym4_major +VERSION_MINOR=mym4_minor +VERSION_MICRO=mym4_micro + +AC_CONFIG_AUX_DIR([build-aux]) +AC_CONFIG_MACRO_DIR([m4]) +AM_INIT_AUTOMAKE([serial-tests dist-bzip2 no-dist-gzip]) +AM_MAINTAINER_MODE +AC_CANONICAL_HOST +AM_SILENT_RULES +AC_ARG_VAR(SYSROOT,[locate config scripts also below that directory]) + +# Enable GNU extensions on systems that have them. +AC_USE_SYSTEM_EXTENSIONS + +# Taken from mpfr-4.0.1, then modified for LDADD_FOR_TESTS_KLUDGE +dnl Under Linux, make sure that the old dtags are used if LD_LIBRARY_PATH +dnl is defined. The issue is that with the new dtags, LD_LIBRARY_PATH has +dnl the precedence over the run path, so that if a compatible MPFR library +dnl is installed in some directory from $LD_LIBRARY_PATH, then the tested +dnl MPFR library will be this library instead of the MPFR library from the +dnl build tree. Other OS with the same issue might be added later. +dnl +dnl References: +dnl https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=859732 +dnl http://lists.gnu.org/archive/html/libtool/2017-05/msg00000.html +dnl +dnl We need to check whether --disable-new-dtags is supported as alternate +dnl linkers may be used (e.g., with tcc: CC=tcc LD=tcc). +dnl +case $host in + *-*-linux*) + if test -n "$LD_LIBRARY_PATH"; then + saved_LDFLAGS="$LDFLAGS" + LDADD_FOR_TESTS_KLUDGE="-Wl,--disable-new-dtags" + LDFLAGS="$LDFLAGS $LDADD_FOR_TESTS_KLUDGE" + AC_MSG_CHECKING(whether --disable-new-dtags is supported by the linker) + AC_LINK_IFELSE([AC_LANG_SOURCE([[ +int main (void) { return 0; } + ]])], + [AC_MSG_RESULT(yes (use it since LD_LIBRARY_PATH is set))], + [AC_MSG_RESULT(no) + LDADD_FOR_TESTS_KLUDGE="" + ]) + LDFLAGS="$saved_LDFLAGS" + fi + ;; +esac +AC_SUBST([LDADD_FOR_TESTS_KLUDGE]) + +AC_PROG_CC +AC_PROG_CPP +AC_PROG_CXX + +# Note: A suitable gitlog-to-changelog script can be found in GnuPG master. +AC_CHECK_PROGS(GITLOG_TO_CHANGELOG, gitlog-to-changelog, [gitlog-to-changelog]) + +AC_SUBST(VERSION_MAJOR) +AC_SUBST(VERSION_MINOR) +AC_SUBST(VERSION_MICRO) + +VERSION_NUMBER=m4_esyscmd(printf "0x%02x%02x%02x" mym4_major \ + mym4_minor mym4_micro) +AC_SUBST(VERSION_NUMBER) + +# We need to compile and run a program on the build machine. A +# comment in libgpg-error says that the AC_PROG_CC_FOR_BUILD macro in +# the AC archive is broken for autoconf 2.57. Given that there is no +# newer version of that macro, we assume that it is also broken for +# autoconf 2.61 and thus we use a simple but usually sufficient +# approach. +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($CC_FOR_BUILD) +AC_ARG_VAR(CC_FOR_BUILD,[build system C compiler]) + + +# Don't default to build static libs. +LT_PREREQ([2.2.6]) +LT_INIT([win32-dll disable-static]) +LT_LANG([Windows Resource]) + +# For now we hardcode the use of version scripts. It would be better +# to write a test for this or even implement this within libtool. +have_ld_version_script=no +case "${host}" in + *-*-linux*) + have_ld_version_script=yes + ;; + *-*-gnu*) + have_ld_version_script=yes + ;; + *-apple-darwin*) + AC_DEFINE(_DARWIN_C_SOURCE, 1, + Expose all libc features (__DARWIN_C_FULL).) + AC_DEFINE(_XOPEN_SOURCE, 500, Activate POSIX interface on MacOS X) + ;; +esac + +AM_CONDITIONAL(HAVE_LD_VERSION_SCRIPT, test "$have_ld_version_script" = "yes") + +# +# Specify how we support our local modification of libtool for Windows +# 64-bit. Options are: +# +# (1) apply: when appying patch fails, it results failure of entire build +# (2) never: never apply the patch (no try) +# (3) try: use patched if it goes well, use original if fails +# +AC_ARG_WITH([libtool-modification], + AS_HELP_STRING([--with-libtool-modification=apply|never|try], + [how to handle libtool modification (default=never)]), + build_libtool_modification=$withval, + build_libtool_modification=never) + +# +# Apply a patch (locally maintained one of ours) to libtool +# +case $host in + x86_64-*mingw32*) +AC_CONFIG_COMMANDS([libtool-patch],[[ + if test "$build_selection" = never; then + echo "patch not applied" + elif (mv -f libtool libtool.orig; \ + sed -f $srcdir/build-aux/libtool-patch.sed libtool.orig >libtool); then + echo "applied successfully" + elif test "$build_selection" = try; then + mv -f libtool.orig libtool + echo "patch failed, thus, using original" + else + echo "patch failed" + as_fn_exit 1 + fi +]],[build_selection=$build_libtool_modification]) + ;; + *) + ;; +esac + +GPG_DEFAULT=no +GPGSM_DEFAULT=no +GPGCONF_DEFAULT=no +G13_DEFAULT=no +component_system=None +have_dosish_system=no +have_android_system=no +have_w32_system=no +have_w64_system=no +have_macos_system=no +case "${host}" in + x86_64-*mingw32*) + have_w64_system=yes + ;; + *-linux-androideabi) + have_android_system=yes + ;; + *-apple-darwin*) + have_macos_system=yes + ;; +esac +case "${host}" in + *-mingw32*) + have_dosish_system=yes + have_w32_system=yes + GPG_DEFAULT='c:\\gnupg\\gpg.exe' + GPGSM_DEFAULT='c:\\gnupg\\gpgsm.exe' + GPGCONF_DEFAULT='c:\\gnupg\\gpgconf.exe' + G13_DEFAULT='c:\\gnupg\\g13.exe' + #component_system='COM+' + ;; + *) + + # XXX: Probably use exec-prefix here? +# GPG_DEFAULT='/usr/bin/gpg' +# GPGSM_DEFAULT='/usr/bin/gpgsm' +# GPGCONF_DEFAULT='/usr/bin/gpgconf' +# G13_DEFAULT='/usr/bin/g13' + ;; +esac + +if test "$have_dosish_system" = yes; then + AC_DEFINE(HAVE_DOSISH_SYSTEM,1, + [Defined if we run on some of the PCDOS like systems + (DOS, Windoze. OS/2) with special properties like + no file modes]) +fi +AM_CONDITIONAL(HAVE_DOSISH_SYSTEM, test "$have_dosish_system" = yes) + +if test "$have_w32_system" = yes; then + AC_DEFINE(HAVE_W32_SYSTEM,1, + [Defined if we run on any kind of W32 API based system]) +fi +AM_CONDITIONAL(HAVE_W32_SYSTEM, test "$have_w32_system" = yes) + +if test "$have_w64_system" = yes; then + AC_DEFINE(HAVE_W64_SYSTEM,1, + [Defined if we run on a 64 bit W32 API based system]) +fi +AM_CONDITIONAL(HAVE_W64_SYSTEM, test "$have_w64_system" = yes) + +if test "$have_android_system" = yes; then + AC_DEFINE(HAVE_ANDROID_SYSTEM,1, [Defined if we build for an Android system]) +fi +AM_CONDITIONAL(HAVE_ANDROID_SYSTEM, test "$have_android_system" = yes) + +if test "$have_macos_system" = yes; then + AC_DEFINE(HAVE_MACOS_SYSTEM,1, + [Defined if we build for an MacOS system]) +fi +AM_CONDITIONAL(HAVE_MACOS_SYSTEM, test "$have_macos_system" = yes) + + +# Require C++ 11 +AX_CXX_COMPILE_STDCXX(11, noext, optional) +if test "$HAVE_CXX11" != "1"; then + AC_MSG_ERROR([[ +*** +*** A compiler with c++11 support is required for the C++ binding. +***]]) +fi + +# Check whether compiler supports visibility attribute +AX_GCC_FUNC_ATTRIBUTE(visibility) +if test "$ax_cv_have_func_attribute_visibility" = "yes"; then + GPGMEPP_CFLAGS="$GPGMEPP_CFLAGS -fvisibility=hidden" +fi +AC_SUBST(GPGMEPP_CFLAGS) + +# +# Provide information about the build. +# +BUILD_REVISION="mym4_revision" +AC_SUBST(BUILD_REVISION) +AC_DEFINE_UNQUOTED(BUILD_REVISION, "$BUILD_REVISION", + [GIT commit id revision used to build this package]) + + +# +# Options to disable some regression tests +# +run_tests="yes" +AC_ARG_ENABLE(tests, + AS_HELP_STRING([--disable-tests], [disable regression tests]), + run_tests=$enableval) +AM_CONDITIONAL(RUN_GPG_TESTS, test "$run_tests" = "yes") + + +# Checks for header files. +AC_CHECK_HEADERS_ONCE([unistd.h]) + + +# Type checks. +AC_CHECK_SIZEOF(unsigned int) +AC_SYS_LARGEFILE + + +# Checks for compiler features. +if test "$GCC" = yes; then + if test "$USE_MAINTAINER_MODE" = "yes"; then + CXXFLAGS="$CXXFLAGS -Wall -Wextra -Wno-shadow" + fi +fi + + +# Checks for library functions. +AC_MSG_NOTICE([checking for libraries]) + +# Checking for libgpg-error. +have_gpg_error=no +AM_PATH_GPG_ERROR("$NEED_GPG_ERROR_VERSION", + have_gpg_error=yes, have_gpg_error=no) +AC_DEFINE(GPG_ERR_SOURCE_DEFAULT, GPG_ERR_SOURCE_GPGME, + [The default error source for GPGME.]) + +AM_CONDITIONAL(USE_GPGRT_CONFIG, [test -n "$GPGRT_CONFIG" \ + -a "$ac_cv_path_GPG_ERROR_CONFIG" = no]) + +# And for gpgme. +have_gpgme=no +AM_PATH_GPGME("$NEED_GPGME_VERSION", + have_gpgme=yes, have_gpgme=no) + + +# Substitution used for gpgmepp.pc +GPGMEPP_PKGCONFIG_LIBS="-lgpgmepp" +GPGMEPP_PKGCONFIG_CFLAGS="" +GPGMEPP_PKGCONFIG_HOST="$host" + +case "$includedir" in + /usr/include|/include) ;; + '${prefix}/include') + if test "$prefix" != / -a "$prefix" != /usr; then + if test -z "$GPGMEPP_PKGCONFIG_CFLAGS"; then + GPGMEPP_PKGCONFIG_CFLAGS="-I\${includedir}" + else + GPGMEPP_PKGCONFIG_CFLAGS="-I\${includedir} $GPGMEPP_PKGCONFIG_CFLAGS" + fi + fi + ;; + *) + if test -z "$GPGMEPP_PKGCONFIG_CFLAGS"; then + GPGMEPP_PKGCONFIG_CFLAGS="-I\${includedir}" + else + GPGMEPP_PKGCONFIG_CFLAGS="-I\${includedir} $GPGMEPP_PKGCONFIG_CFLAGS" + fi + ;; +esac +case "$libdir" in + /usr/lib|/usr/lib64|/lib|/lib64) ;; + '${exec_prefix}/lib'|'${exec_prefix}/lib64') + if test "$exec_prefix" = "NONE"; then + if test "$prefix" != / -a "$prefix" != /usr; then + GPGMEPP_PKGCONFIG_LIBS="-L\${libdir} $GPGMEPP_PKGCONFIG_LIBS" + fi + elif test "$exec_prefix" != / -a "$exec_prefix" != /usr; then + GPGMEPP_PKGCONFIG_LIBS="-L\${libdir} $GPGMEPP_PKGCONFIG_LIBS" + fi + ;; + *) + GPGMEPP_PKGCONFIG_LIBS="-L\${libdir} $GPGMEPP_PKGCONFIG_LIBS" + ;; +esac + +AC_SUBST(GPGMEPP_PKGCONFIG_LIBS) +AC_SUBST(GPGMEPP_PKGCONFIG_CFLAGS) +AC_SUBST(GPGMEPP_PKGCONFIG_HOST) + + +# Last check. +die=no +if test "$have_gpg_error" = "no"; then + die=yes + AC_MSG_NOTICE([[ +*** +*** You need libgpg-error to build this program. +** This library is for example available at +*** https://www.gnupg.org/ftp/gcrypt/libgpg-error/ +*** (at least version $NEED_GPG_ERROR_VERSION is required.) +***]]) +fi +if test "$have_gpgme" = "no"; then + die=yes + AC_MSG_NOTICE([[ +*** +*** You need gpgme to build this program. +*** This library is for example available at +*** https://www.gnupg.org/ftp/gcrypt/gpgme/ +*** (at least version $NEED_GPGME_VERSION is required). +***]]) +fi + +if test "$die" = "yes"; then + AC_MSG_ERROR([[ +*** +*** Required libraries not found. Please consult the above messages +*** and install them before running configure again. +***]]) +fi + + +# +# Create config files + +AC_CONFIG_FILES(Makefile src/Makefile) +AC_CONFIG_FILES(tests/Makefile) +AC_CONFIG_FILES(src/gpgmepp.pc) +AC_CONFIG_FILES(src/GpgmeppConfig-w32.cmake.in) +AC_CONFIG_FILES(src/GpgmeppConfig.cmake.in) +AC_CONFIG_FILES(src/GpgmeppConfigVersion.cmake) +AC_CONFIG_FILES(src/gpgmepp_version.h) +AC_OUTPUT + +echo " + GpgME++ v${VERSION} has been configured as follows: + + Revision: mym4_revision (mym4_revision_dec) + Platform: $host +" +if test "x${gpg_config_script_warn}" != x; then +cat <<G10EOF + Mismatches between the target platform and the to + be used libraries have been been detected for: + ${gpg_config_script_warn} + Please check above for warning messages. + +G10EOF +fi |