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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 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: 2014-10-02 # Note: This is a duplicate of gpg-error.m4 with 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 GPG_ERROR_MT_CFLAGS, and GPG_ERROR_MT_LIBS. The _MT_ variants are dnl used for programs requiring real multi thread support. dnl dnl If a prefix option is not used, the config script is first dnl searched in $SYSROOT/bin and then along $PATH. If the used dnl config script does not match the host specification the script dnl is added to the gpg_config_script_warn variable. dnl AC_DEFUN([AM_PATH_GPGRT], [ AC_REQUIRE([AC_CANONICAL_HOST]) gpgrt_config_prefix="" dnl --with-libgpg-error-prefix=PFX is the preferred name for this option, dnl since that is consistent with how our three siblings use the directory/ dnl package name in --with-$dir_name-prefix=PFX. AC_ARG_WITH(libgpg-error-prefix, AC_HELP_STRING([--with-libgpg-error-prefix=PFX], [prefix where GPG Error is installed (optional)]), [gpgrt_config_prefix="$withval"]) dnl Accept --with-gpg-error-prefix and make it work the same as dnl --with-libgpg-error-prefix above, for backwards compatibility, dnl but do not document this old, inconsistently-named option. AC_ARG_WITH(gpg-error-prefix,, [gpgrt_config_prefix="$withval"]) if test x"${GPGRT_CONFIG}" = x ; then if test x"${gpgrt_config_prefix}" != x ; then GPGRT_CONFIG="${gpgrt_config_prefix}/bin/gpg-error-config" else case "${SYSROOT}" in /*) if test -x "${SYSROOT}/bin/gpg-error-config" ; then GPGRT_CONFIG="${SYSROOT}/bin/gpg-error-config" fi ;; '') ;; *) AC_MSG_WARN([Ignoring \$SYSROOT as it is not an absolute path.]) ;; esac fi fi AC_PATH_PROG(GPGRT_CONFIG, gpg-error-config, no) min_gpgrt_version=ifelse([$1], ,0.0,$1) AC_MSG_CHECKING(for GPG Error - version >= $min_gpgrt_version) ok=no if test "$GPGRT_CONFIG" != "no" \ && test -f "$GPGRT_CONFIG" ; 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 $gpgrt_config_args --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 $gpgrt_config_args --cflags` GPGRT_LIBS=`$GPGRT_CONFIG $gpgrt_config_args --libs` GPGRT_MT_CFLAGS=`$GPGRT_CONFIG $gpgrt_config_args --mt --cflags 2>/dev/null` GPGRT_MT_LIBS=`$GPGRT_CONFIG $gpgrt_config_args --mt --libs 2>/dev/null` AC_MSG_RESULT([yes ($gpgrt_config_version)]) ifelse([$2], , :, [$2]) gpgrt_config_host=`$GPGRT_CONFIG $gpgrt_config_args --host 2>/dev/null || echo none` if test x"$gpgrt_config_host" != xnone ; then if test x"$gpgrt_config_host" != x"$host" ; then AC_MSG_WARN([[ *** *** The config script $GPGRT_CONFIG was *** built for $gpgrt_config_host and thus may not match the *** used host $host. *** You may want to use the configure option --with-libgpg-error-prefix *** to specify a matching config script or use \$SYSROOT. ***]]) gpg_config_script_warn="$gpg_config_script_warn libgpg-error" 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) ])