gpgme/m4/libassuan.m4
NIIBE Yutaka 0f5e8182e7
m4: Update libassuan.m4 from master.
* m4/libassuan.m4: Update.

--

Signed-off-by: NIIBE Yutaka <gniibe@fsij.org>
2024-05-17 14:22:36 +09:00

263 lines
9.1 KiB
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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: 2024-05-14
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 "$GPGRT_CONFIG" != "no"; then
# Determine gpgrt_libdir
#
# Get the prefix of gpgrt-config assuming it's something like:
# <PREFIX>/bin/gpgrt-config
gpgrt_prefix=${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 "$gpgrt_libdir"; then break; fi
done
fi
if test -z "$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
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
gpg_error_config_version=`$GPG_ERROR_CONFIG --version`
unset GPGRT_CONFIG
fi
elif test "$GPG_ERROR_CONFIG" != "no"; then
gpg_error_config_version=`$GPG_ERROR_CONFIG --version`
unset GPGRT_CONFIG
fi
])
dnl
dnl Common code used for libassuan detection [internal]
dnl Returns ok set to yes or no.
dnl
AC_DEFUN([_AM_PATH_LIBASSUAN_COMMON],
[ AC_REQUIRE([AC_CANONICAL_HOST])dnl
AC_REQUIRE([_AM_PATH_GPGRT_CONFIG])dnl
AC_ARG_WITH(libassuan-prefix,
AS_HELP_STRING([--with-libassuan-prefix=PFX],
[prefix where LIBASSUAN is installed (optional)]),
libassuan_config_prefix="$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)
])