diff options
Diffstat (limited to 'm4/gpg-error.m4')
| -rw-r--r-- | m4/gpg-error.m4 | 208 |
1 files changed, 208 insertions, 0 deletions
diff --git a/m4/gpg-error.m4 b/m4/gpg-error.m4 new file mode 100644 index 0000000..4b5cd40 --- /dev/null +++ b/m4/gpg-error.m4 @@ -0,0 +1,208 @@ +# gpg-error.m4 - autoconf macro to detect libgpg-error. +# Copyright (C) 2002, 2003, 2004, 2011, 2014, 2018, 2020, 2021 +# 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: 2022-02-15 + + +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, + AS_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], ,1.33,$1) + ok=no + + AC_PATH_PROG(GPGRT_CONFIG, gpgrt-config, no, [$prefix/bin:$PATH]) + if test "$GPGRT_CONFIG" != "no"; then + # Determine gpgrt_libdir + # + # Get the prefix of gpgrt-config assuming it's something like: + # <PREFIX>/bin/gpgrt-config + gpgrt_prefix=${GPGRT_CONFIG%/*/*} + possible_libdir1=${gpgrt_prefix}/lib + # Determine by using system libdir-format with CC, it's like: + # Normal style: /usr/lib + # GNU cross style: /usr/<triplet>/lib + # Debian style: /usr/lib/<multiarch-name> + # Fedora/openSUSE style: /usr/lib, /usr/lib32 or /usr/lib64 + # It is assumed that CC is specified to the one of host on cross build. + if libdir_candidates=$(${CC:-cc} -print-search-dirs | \ + sed -n -e "/^libraries/{s/libraries: =//;s/:/\\ +/g;p;}"); then + # From the output of -print-search-dirs, select valid pkgconfig dirs. + libdir_candidates=$(for dir in $libdir_candidates; do + if p=$(cd $dir 2>/dev/null && pwd); then + test -d "$p/pkgconfig" && echo $p; + fi + done) + + for possible_libdir0 in $libdir_candidates; do + # possible_libdir0: + # Fallback candidate, the one of system-installed (by $CC) + # (/usr/<triplet>/lib, /usr/lib/<multiarch-name> or /usr/lib32) + # possible_libdir1: + # Another candidate, user-locally-installed + # (<gpgrt_prefix>/lib) + # possible_libdir2 + # Most preferred + # (<gpgrt_prefix>/<triplet>/lib, + # <gpgrt_prefix>/lib/<multiarch-name> or <gpgrt_prefix>/lib32) + if test "${possible_libdir0##*/}" = "lib"; then + possible_prefix0=${possible_libdir0%/lib} + possible_prefix0_triplet=${possible_prefix0##*/} + if test -z "$possible_prefix0_triplet"; then + continue + fi + possible_libdir2=${gpgrt_prefix}/$possible_prefix0_triplet/lib + else + possible_prefix0=${possible_libdir0%%/lib*} + possible_libdir2=${gpgrt_prefix}${possible_libdir0#$possible_prefix0} + fi + if test -f ${possible_libdir2}/pkgconfig/gpg-error.pc; then + gpgrt_libdir=${possible_libdir2} + elif test -f ${possible_libdir1}/pkgconfig/gpg-error.pc; then + gpgrt_libdir=${possible_libdir1} + elif test -f ${possible_libdir0}/pkgconfig/gpg-error.pc; then + gpgrt_libdir=${possible_libdir0} + fi + if test -n "$gpgrt_libdir"; then break; fi + done + else + # When we cannot determine system libdir-format, use this: + gpgrt_libdir=${possible_libdir1} + fi + else + unset GPGRT_CONFIG + fi + + if test -n "$gpgrt_libdir"; then + GPGRT_CONFIG="$GPGRT_CONFIG --libdir=$gpgrt_libdir" + if $GPGRT_CONFIG gpg-error >/dev/null 2>&1; then + GPG_ERROR_CONFIG="$GPGRT_CONFIG gpg-error" + AC_MSG_NOTICE([Use gpgrt-config with $gpgrt_libdir as gpg-error-config]) + gpg_error_config_version=`$GPG_ERROR_CONFIG --modversion` + else + unset GPGRT_CONFIG + fi + elif test "$GPG_ERROR_CONFIG" != "no"; then + gpg_error_config_version=`$GPG_ERROR_CONFIG --version` + unset GPGRT_CONFIG + fi + if test "$GPG_ERROR_CONFIG" != "no"; 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/'` + 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 + AC_MSG_CHECKING(for GPG Error - version >= $min_gpg_error_version) + if test $ok = yes; then + GPG_ERROR_CFLAGS=`$GPG_ERROR_CONFIG --cflags` + GPG_ERROR_LIBS=`$GPG_ERROR_CONFIG --libs` + if test -z "$GPGRT_CONFIG"; then + GPG_ERROR_MT_CFLAGS=`$GPG_ERROR_CONFIG --mt --cflags 2>/dev/null` + GPG_ERROR_MT_LIBS=`$GPG_ERROR_CONFIG --mt --libs 2>/dev/null` + else + GPG_ERROR_MT_CFLAGS=`$GPG_ERROR_CONFIG --variable=mtcflags 2>/dev/null` + GPG_ERROR_MT_CFLAGS="$GPG_ERROR_CFLAGS${GPG_ERROR_CFLAGS:+ }$GPG_ERROR_MT_CFLAGS" + GPG_ERROR_MT_LIBS=`$GPG_ERROR_CONFIG --variable=mtlibs 2>/dev/null` + GPG_ERROR_MT_LIBS="$GPG_ERROR_LIBS${GPG_ERROR_LIBS:+ }$GPG_ERROR_MT_LIBS" + fi + AC_MSG_RESULT([yes ($gpg_error_config_version)]) + ifelse([$2], , :, [$2]) + if test -z "$GPGRT_CONFIG"; then + gpg_error_config_host=`$GPG_ERROR_CONFIG --host 2>/dev/null || echo none` + else + gpg_error_config_host=`$GPG_ERROR_CONFIG --variable=host 2>/dev/null || echo none` + fi + 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 $host. +*** You may want to use the configure option --with-libgpg-error-prefix +*** to specify a matching config script or use \$SYSROOT. +***]]) + gpg_config_script_warn="$gpg_config_script_warn libgpg-error" + fi + fi + else + 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) +]) |