gpgme/m4/libassuan.m4
2010-05-07 23:22:38 +00:00

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dnl Autoconf macros for libassuan
dnl Copyright (C) 2002, 2003 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
dnl Common code used for libassuan detection [internal]
dnl Returns ok set to yes or no.
dnl
AC_DEFUN([_AM_PATH_LIBASSUAN_COMMON],
[ AC_ARG_WITH(libassuan-prefix,
AC_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
libassuan_config_args="$libassuan_config_args --prefix=$libassuan_config_prefix"
if test x${LIBASSUAN_CONFIG+set} != xset ; then
LIBASSUAN_CONFIG=$libassuan_config_prefix/bin/libassuan-config
fi
fi
AC_PATH_PROG(LIBASSUAN_CONFIG, libassuan-config, no)
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="$tmp"
fi
if test "$LIBASSUAN_CONFIG" != "no" ; then
libassuan_version=`$LIBASSUAN_CONFIG --version`
fi
libassuan_version_major=`echo $libassuan_version | \
sed 's/\([[0-9]]*\)\.\([[0-9]]*\)\.\([[0-9]]*\).*/\1/'`
libassuan_version_minor=`echo $libassuan_version | \
sed 's/\([[0-9]]*\)\.\([[0-9]]*\)\.\([[0-9]]*\).*/\2/'`
libassuan_version_micro=`echo $libassuan_version | \
sed 's/\([[0-9]]*\)\.\([[0-9]]*\)\.\([[0-9]]*\).*/\3/'`
AC_MSG_CHECKING(for LIBASSUAN ifelse([$2], ,,[$2 ])- version >= $min_libassuan_version)
ok=no
if test "$LIBASSUAN_CONFIG" != "no" ; then
ifelse([$2], ,,[if `$LIBASSUAN_CONFIG --thread=$2 2> /dev/null` ; 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 "$libassuan_version_major" -gt "$req_major"; then
ok=yes
else
if test "$libassuan_version_major" -eq "$req_major"; then
if test "$libassuan_version_minor" -gt "$req_minor"; then
ok=yes
else
if test "$libassuan_version_minor" -eq "$req_minor"; then
if test "$libassuan_version_micro" -ge "$req_micro"; then
ok=yes
fi
fi
fi
fi
fi
ifelse([$2], ,,[fi])
fi
if test $ok = yes; then
AC_MSG_RESULT([yes ($libassuan_version)])
else
AC_MSG_RESULT(no)
fi
if test $ok = yes; then
if test "$req_libassuan_api" -gt 0 ; then
tmp=`$LIBASSUAN_CONFIG --api-version 2>/dev/null || echo 0`
if test "$tmp" -gt 0 ; then
AC_MSG_CHECKING([LIBASSUAN ifelse([$2], ,,[$2 ])API version])
if test "$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
])
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 $libassuan_config_args --cflags`
LIBASSUAN_LIBS=`$LIBASSUAN_CONFIG $libassuan_config_args --libs`
ifelse([$2], , :, [$2])
else
LIBASSUAN_CFLAGS=""
LIBASSUAN_LIBS=""
ifelse([$3], , :, [$3])
fi
AC_SUBST(LIBASSUAN_CFLAGS)
AC_SUBST(LIBASSUAN_LIBS)
])