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-rw-r--r--m4/libassuan.m4172
1 files changed, 172 insertions, 0 deletions
diff --git a/m4/libassuan.m4 b/m4/libassuan.m4
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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: 2020-11-17
+
+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])
+ 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"${LIBASSUAN_CONFIG}" = x -a x"$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)])
+ 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)
+ 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)
+])