diff options
Diffstat (limited to 'm4/gpg-error.m4')
| -rw-r--r-- | m4/gpg-error.m4 | 121 |
1 files changed, 121 insertions, 0 deletions
diff --git a/m4/gpg-error.m4 b/m4/gpg-error.m4 new file mode 100644 index 0000000..1661204 --- /dev/null +++ b/m4/gpg-error.m4 @@ -0,0 +1,121 @@ +# gpg-error.m4 - autoconf macro to detect libgpg-error. +# Copyright (C) 2002, 2003, 2004, 2011, 2014 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. +# +# Last-changed: 2014-10-02 + + +dnl AM_PATH_GPG_ERROR([MINIMUM-VERSION, +dnl [ACTION-IF-FOUND [, ACTION-IF-NOT-FOUND ]]]) +dnl +dnl Test for libgpg-error and define GPG_ERROR_CFLAGS, GPG_ERROR_LIBS, +dnl GPG_ERROR_MT_CFLAGS, and GPG_ERROR_MT_LIBS. The _MT_ variants are +dnl used for programs requireing 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 $PATH. If the used +dnl config script does not match the host specification the script +dnl is added to the gpg_config_script_warn variable. +dnl +AC_DEFUN([AM_PATH_GPG_ERROR], +[ AC_REQUIRE([AC_CANONICAL_HOST]) + gpg_error_config_prefix="" + dnl --with-libgpg-error-prefix=PFX is the preferred name for this option, + dnl since that is consistent with how our three siblings use the directory/ + dnl package name in --with-$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)]), + [gpg_error_config_prefix="$withval"]) + + dnl Accept --with-gpg-error-prefix and make it work the same as + dnl --with-libgpg-error-prefix above, for backwards compatibility, + dnl but do not document this old, inconsistently-named option. + AC_ARG_WITH(gpg-error-prefix,, + [gpg_error_config_prefix="$withval"]) + + if test x"${GPG_ERROR_CONFIG}" = x ; then + if test x"${gpg_error_config_prefix}" != x ; then + GPG_ERROR_CONFIG="${gpg_error_config_prefix}/bin/gpg-error-config" + else + case "${SYSROOT}" in + /*) + if test -x "${SYSROOT}/bin/gpg-error-config" ; then + GPG_ERROR_CONFIG="${SYSROOT}/bin/gpg-error-config" + fi + ;; + '') + ;; + *) + AC_MSG_WARN([Ignoring \$SYSROOT as it is not an absolute path.]) + ;; + esac + fi + fi + + AC_PATH_PROG(GPG_ERROR_CONFIG, gpg-error-config, no) + min_gpg_error_version=ifelse([$1], ,0.0,$1) + AC_MSG_CHECKING(for GPG Error - version >= $min_gpg_error_version) + ok=no + if test "$GPG_ERROR_CONFIG" != "no" \ + && test -f "$GPG_ERROR_CONFIG" ; then + req_major=`echo $min_gpg_error_version | \ + sed 's/\([[0-9]]*\)\.\([[0-9]]*\)/\1/'` + req_minor=`echo $min_gpg_error_version | \ + sed 's/\([[0-9]]*\)\.\([[0-9]]*\)/\2/'` + gpg_error_config_version=`$GPG_ERROR_CONFIG $gpg_error_config_args --version` + major=`echo $gpg_error_config_version | \ + sed 's/\([[0-9]]*\)\.\([[0-9]]*\).*/\1/'` + minor=`echo $gpg_error_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 $ok = yes; then + GPG_ERROR_CFLAGS=`$GPG_ERROR_CONFIG $gpg_error_config_args --cflags` + GPG_ERROR_LIBS=`$GPG_ERROR_CONFIG $gpg_error_config_args --libs` + GPG_ERROR_MT_CFLAGS=`$GPG_ERROR_CONFIG $gpg_error_config_args --mt --cflags 2>/dev/null` + GPG_ERROR_MT_LIBS=`$GPG_ERROR_CONFIG $gpg_error_config_args --mt --libs 2>/dev/null` + AC_MSG_RESULT([yes ($gpg_error_config_version)]) + ifelse([$2], , :, [$2]) + gpg_error_config_host=`$GPG_ERROR_CONFIG $gpg_error_config_args --host 2>/dev/null || echo none` + if test x"$gpg_error_config_host" != xnone ; then + if test x"$gpg_error_config_host" != x"$host" ; then + AC_MSG_WARN([[ +*** +*** The config script $GPG_ERROR_CONFIG was +*** built for $gpg_error_config_host and thus may not match the +*** used host $host. +*** You may want to use the configure option --with-gpg-error-prefix +*** to specify a matching config script or use \$SYSROOT. +***]]) + gpg_config_script_warn="$gpg_config_script_warn libgpg-error" + fi + fi + else + GPG_ERROR_CFLAGS="" + GPG_ERROR_LIBS="" + GPG_ERROR_MT_CFLAGS="" + GPG_ERROR_MT_LIBS="" + AC_MSG_RESULT(no) + ifelse([$3], , :, [$3]) + fi + AC_SUBST(GPG_ERROR_CFLAGS) + AC_SUBST(GPG_ERROR_LIBS) + AC_SUBST(GPG_ERROR_MT_CFLAGS) + AC_SUBST(GPG_ERROR_MT_LIBS) +]) |