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gpgrt.m4
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# gpgrt.m4 - autoconf macro to detect libgpgrt # Copyright (C) 2002, 2003, 2004, 2011, 2014, 2017, 2018 g10 Code GmbH # # This file is free software; as a special exception the author gives # unlimited permission to copy and/or distribute it, with or without # modifications, as long as this notice is preserved. # # This file is distributed in the hope that it will be useful, but # WITHOUT ANY WARRANTY, to the extent permitted by law; without even the # implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. # SPDX-License-Identifier: FSFULLR # # Last-changed: 2018-11-13 # Note: This is a kind of duplicate of gpg-error.m4 which uses the # future name of libgpg-error to prepare for a smooth migration in # some distant time. dnl AM_PATH_GPGRT([MINIMUM-VERSION, dnl [ACTION-IF-FOUND [, ACTION-IF-NOT-FOUND ]]]) dnl dnl Test for libgpgrt and define GPGRT_CFLAGS, GPGRT_LIBS, dnl GPGRT_MT_CFLAGS, and GPGRT_MT_LIBS. The _MT_ variants are dnl used for programs requiring real multi thread support. dnl AC_DEFUN([AM_PATH_GPGRT], [ AC_REQUIRE([AC_CANONICAL_HOST]) if test "$prefix" = NONE ; then prefix_option_expanded=/usr/local else prefix_option_expanded="$prefix" fi if test "$exec_prefix" = NONE ; then exec_prefix_option_expanded=$prefix_option_expanded else exec_prefix_option_expanded=$(prefix=$prefix_option_expanded eval echo $exec_prefix) fi libdir_option_expanded=$(prefix=$prefix_option_expanded exec_prefix=$exec_prefix_option_expanded eval echo $libdir) if test -f $libdir_option_expanded/pkgconfig/gpg-error.pc; then gpgrt_libdir=$libdir_option_expanded else if crt1_path=$(${CC:-cc} -print-file-name=crt1.o 2>/dev/null); then if possible_libdir=$(cd ${crt1_path%/*} && pwd 2>/dev/null); then if test -f $possible_libdir/pkgconfig/gpg-error.pc; then gpgrt_libdir=$possible_libdir fi fi fi fi if test -n "$gpgrt_libdir"; then AC_PATH_PROG(GPGRT_CONFIG, gpgrt-config, no) if test "$GPGRT_CONFIG" != "no"; then GPGRT_CONFIG="$GPGRT_CONFIG --libdir=$gpgrt_libdir" fi fi min_gpgrt_version=ifelse([$1], ,1.33,$1) AC_MSG_CHECKING(for GPG Runtime - version >= $min_gpgrt_version) ok=no if test x"$GPGRT_CONFIG" != x -a "$GPGRT_CONFIG" != "no" ; then req_major=`echo $min_gpgrt_version | \ sed 's/\([[0-9]]*\)\.\([[0-9]]*\)/\1/'` req_minor=`echo $min_gpgrt_version | \ sed 's/\([[0-9]]*\)\.\([[0-9]]*\)/\2/'` gpgrt_config_version=`$GPGRT_CONFIG --version` major=`echo $gpgrt_config_version | \ sed 's/\([[0-9]]*\)\.\([[0-9]]*\).*/\1/'` minor=`echo $gpgrt_config_version | \ sed 's/\([[0-9]]*\)\.\([[0-9]]*\).*/\2/'` if test "$major" -gt "$req_major"; then ok=yes else if test "$major" -eq "$req_major"; then if test "$minor" -ge "$req_minor"; then ok=yes fi fi fi fi if test $ok = yes; then GPGRT_CFLAGS=`$GPGRT_CONFIG --cflags` GPGRT_LIBS=`$GPGRT_CONFIG --libs` GPGRT_MT_CFLAGS=`$GPGRT_CONFIG --variable=mtcflags 2>/dev/null` GPGRT_MT_CFLAGS="$GPGRT_CFLAGS${GPGRT_CFLAGS:+ }$GPGRT_MT_CFLAGS" GPGRT_MT_LIBS=`$GPGRT_CONFIG --variable=mtlibs 2>/dev/null` GPGRT_MT_LIBS="$GPGRT_LIBS${GPGRT_LIBS:+ }$GPGRT_MT_LIBS" AC_MSG_RESULT([yes ($gpgrt_config_version)]) ifelse([$2], , :, [$2]) gpgrt_config_host=`$GPGRT_CONFIG --variable=host 2>/dev/null || echo none` if test x"$gpgrt_config_host" != xnone ; then if test x"$gpgrt_config_host" != x"$host" ; then AC_MSG_WARN([[ *** *** The config script "$GPGRT_CONFIG" is for $gpgrt_config_host *** and thus may not match the used host $host. ***]]) gpg_config_script_warn="$gpg_config_script_warn libgpgrt" fi fi else GPGRT_CFLAGS="" GPGRT_LIBS="" GPGRT_MT_CFLAGS="" GPGRT_MT_LIBS="" AC_MSG_RESULT(no) ifelse([$3], , :, [$3]) fi AC_SUBST(GPGRT_CFLAGS) AC_SUBST(GPGRT_LIBS) AC_SUBST(GPGRT_MT_CFLAGS) AC_SUBST(GPGRT_MT_LIBS) ])