dnl Autoconf macros for libassuan dnl Copyright (C) 2002, 2003, 2011 Free Software Foundation, Inc. dnl dnl This file is free software; as a special exception the author gives dnl unlimited permission to copy and/or distribute it, with or without dnl modifications, as long as this notice is preserved. dnl dnl This file is distributed in the hope that it will be useful, but dnl WITHOUT ANY WARRANTY, to the extent permitted by law; without even the dnl implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. dnl SPDX-License-Identifier: FSFULLR # Last-changed: 2024-06-13 dnl dnl Find gpgrt-config, which uses .pc file dnl (minimum pkg-config functionality, supporting cross build) dnl dnl _AM_PATH_GPGRT_CONFIG AC_DEFUN([_AM_PATH_GPGRT_CONFIG],[dnl AC_PATH_PROG(GPGRT_CONFIG, gpgrt-config, no, [$prefix/bin:$PATH]) if test "$GPGRT_CONFIG" != "no"; then # Determine gpgrt_libdir # # Get the prefix of gpgrt-config assuming it's something like: # /bin/gpgrt-config gpgrt_prefix=${GPGRT_CONFIG%/*/*} possible_libdir1=${gpgrt_prefix}/lib # Determine by using system libdir-format with CC, it's like: # Normal style: /usr/lib # GNU cross style: /usr//lib # Debian style: /usr/lib/ # Fedora/openSUSE style: /usr/lib, /usr/lib32 or /usr/lib64 # It is assumed that CC is specified to the one of host on cross build. if libdir_candidates=$(${CC:-cc} -print-search-dirs | \ sed -n -e "/^libraries/{s/libraries: =//;s/:/\\ /g;p;}"); then # From the output of -print-search-dirs, select valid pkgconfig dirs. libdir_candidates=$(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 $CC) # (/usr//lib, /usr/lib/ or /usr/lib32) # possible_libdir1: # Another candidate, user-locally-installed # (/lib) # possible_libdir2 # Most preferred # (//lib, # /lib/ or /lib32) if test "${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 "$gpgrt_libdir"; then break; fi done fi if test -z "$gpgrt_libdir"; then # No valid pkgconfig dir in any of the system directories, fallback gpgrt_libdir=${possible_libdir1} fi else unset GPGRT_CONFIG fi if test -n "$gpgrt_libdir"; then # Add the --libdir option to GPGRT_CONFIG GPGRT_CONFIG="$GPGRT_CONFIG --libdir=$gpgrt_libdir" # Make sure if gpgrt-config really works, by testing config gpg-error if ! $GPGRT_CONFIG gpg-error --exists; then # If it doesn't work, clear the GPGRT_CONFIG variable. unset GPGRT_CONFIG fi else # GPGRT_CONFIG found but no suitable dir for --libdir found. # This is a failure. Clear the GPGRT_CONFIG variable. unset GPGRT_CONFIG fi ]) dnl dnl Common code used for libassuan detection [internal] dnl Returns ok set to yes or no. dnl AC_DEFUN([_AM_PATH_LIBASSUAN_COMMON], [ AC_REQUIRE([AC_CANONICAL_HOST])dnl AC_REQUIRE([_AM_PATH_GPGRT_CONFIG])dnl AC_ARG_WITH(libassuan-prefix, AS_HELP_STRING([--with-libassuan-prefix=PFX], [prefix where LIBASSUAN is installed (optional)]), libassuan_config_prefix="$withval", libassuan_config_prefix="") if test x$libassuan_config_prefix != x ; then if test x${LIBASSUAN_CONFIG+set} != xset ; then LIBASSUAN_CONFIG=$libassuan_config_prefix/bin/libassuan-config fi fi use_gpgrt_config="" if test x"$GPGRT_CONFIG" != x -a "$GPGRT_CONFIG" != "no"; then if $GPGRT_CONFIG libassuan --exists; then LIBASSUAN_CONFIG="$GPGRT_CONFIG libassuan" AC_MSG_NOTICE([Use gpgrt-config as libassuan-config]) use_gpgrt_config=yes fi fi if test -z "$use_gpgrt_config"; then AC_PATH_PROG(LIBASSUAN_CONFIG, libassuan-config, no) fi tmp=ifelse([$1], ,1:0.9.2,$1) if echo "$tmp" | grep ':' >/dev/null 2>/dev/null ; then req_libassuan_api=`echo "$tmp" | sed 's/\(.*\):\(.*\)/\1/'` min_libassuan_version=`echo "$tmp" | sed 's/\(.*\):\(.*\)/\2/'` else req_libassuan_api=0 min_libassuan_version="$tmp" fi AC_MSG_CHECKING(for LIBASSUAN - version >= $min_libassuan_version) ok=no if test "$LIBASSUAN_CONFIG" != "no"; then req_major=`echo $min_libassuan_version | \ sed 's/\([[0-9]]*\)\.\([[0-9]]*\)\.\([[0-9]]*\)/\1/'` req_minor=`echo $min_libassuan_version | \ sed 's/\([[0-9]]*\)\.\([[0-9]]*\)\.\([[0-9]]*\)/\2/'` req_micro=`echo $min_libassuan_version | \ sed 's/\([[0-9]]*\)\.\([[0-9]]*\)\.\([[0-9]]*\)/\3/'` if test -z "$use_gpgrt_config"; then libassuan_config_version=`$LIBASSUAN_CONFIG --version` else libassuan_config_version=`$LIBASSUAN_CONFIG --modversion` fi major=`echo $libassuan_config_version | \ sed 's/\([[0-9]]*\)\.\([[0-9]]*\)\.\([[0-9]]*\).*/\1/'` minor=`echo $libassuan_config_version | \ sed 's/\([[0-9]]*\)\.\([[0-9]]*\)\.\([[0-9]]*\).*/\2/'` micro=`echo $libassuan_config_version | \ sed 's/\([[0-9]]*\)\.\([[0-9]]*\)\.\([[0-9]]*\).*/\3/'` if test "$major" -gt "$req_major"; then ok=yes else if test "$major" -eq "$req_major"; then if test "$minor" -gt "$req_minor"; then ok=yes else if test "$minor" -eq "$req_minor"; then if test "$micro" -ge "$req_micro"; then ok=yes fi fi fi fi fi fi if test $ok = yes; then AC_MSG_RESULT([yes ($libassuan_config_version)]) AC_DEFINE(LIBASSUAN_API_REQUESTED, $req_libassuan_api, Requested API version for libassuan) else AC_MSG_RESULT(no) fi if test $ok = yes; then if test "$req_libassuan_api" -gt 0 ; then if test -z "$use_gpgrt_config"; then tmp=`$LIBASSUAN_CONFIG --api-version 2>/dev/null || echo 0` else tmp=`$LIBASSUAN_CONFIG --variable=api_version 2>/dev/null || echo 0` fi if test "$tmp" -gt 0 ; then AC_MSG_CHECKING([LIBASSUAN API version]) if test "$req_libassuan_api" -eq "$tmp" ; then AC_MSG_RESULT(okay) elif test "$req_libassuan_api" -eq 2 -a "$tmp" -eq 3; then AC_MSG_RESULT(okay) else ok=no AC_MSG_RESULT([does not match. want=$req_libassuan_api got=$tmp.]) fi fi fi fi if test $ok = yes; then if test x"$host" != x ; then if test -z "$use_gpgrt_config"; then libassuan_config_host=`$LIBASSUAN_CONFIG --host 2>/dev/null || echo none` else libassuan_config_host=`$LIBASSUAN_CONFIG --variable=host 2>/dev/null || echo none` fi if test x"$libassuan_config_host" != xnone ; then if test x"$libassuan_config_host" != x"$host" ; then AC_MSG_WARN([[ *** *** The config script "$LIBASSUAN_CONFIG" was *** built for $libassuan_config_host and thus may not match the *** used host $host. *** You may want to use the configure option --with-libassuan-prefix *** to specify a matching config script. ***]]) fi fi fi fi ]) dnl AM_CHECK_LIBASSUAN([MINIMUM-VERSION, dnl [ACTION-IF-FOUND [, ACTION-IF-NOT-FOUND ]]]) dnl Test whether libassuan has at least MINIMUM-VERSION. This is dnl used to test for features only available in newer versions. dnl AC_DEFUN([AM_CHECK_LIBASSUAN], [ _AM_PATH_LIBASSUAN_COMMON($1) if test $ok = yes; then ifelse([$2], , :, [$2]) else ifelse([$3], , :, [$3]) fi ]) dnl AM_PATH_LIBASSUAN([MINIMUM-VERSION, dnl [ACTION-IF-FOUND [, ACTION-IF-NOT-FOUND ]]]) dnl Test for libassuan and define LIBASSUAN_CFLAGS and LIBASSUAN_LIBS dnl AC_DEFUN([AM_PATH_LIBASSUAN], [ _AM_PATH_LIBASSUAN_COMMON($1) if test $ok = yes; then LIBASSUAN_CFLAGS=`$LIBASSUAN_CONFIG --cflags` LIBASSUAN_LIBS=`$LIBASSUAN_CONFIG --libs` ifelse([$2], , :, [$2]) else LIBASSUAN_CFLAGS="" LIBASSUAN_LIBS="" ifelse([$3], , :, [$3]) fi AC_SUBST(LIBASSUAN_CFLAGS) AC_SUBST(LIBASSUAN_LIBS) ])