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dnl Autoconf macros for libgnutls-extra
dnl $id$
# Modified for LIBGNUTLS_EXTRA -- nmav
# Configure paths for LIBGCRYPT
# Shamelessly stolen from the one of XDELTA by Owen Taylor
# Werner Koch 99-12-09
dnl AM_PATH_LIBGNUTLS_EXTRA([MINIMUM-VERSION, [ACTION-IF-FOUND [, ACTION-IF-NOT-FOUND ]]])
dnl Test for libgnutls-extra, and define LIBGNUTLS_EXTRA_CFLAGS and LIBGNUTLS_EXTRA_LIBS
dnl
AC_DEFUN(AM_PATH_LIBGNUTLS_EXTRA,
[dnl
dnl Get the cflags and libraries from the libgnutls-extra-config script
dnl
AC_ARG_WITH(libgnutls-extra-prefix,
[ --with-libgnutls-extra-prefix=PFX Prefix where libgnutls-extra is installed (optional)],
libgnutls_extra_config_prefix="$withval", libgnutls_extra_config_prefix="")
if test x$libgnutls_extra_config_prefix != x ; then
if test x${LIBGNUTLS_EXTRA_CONFIG+set} != xset ; then
LIBGNUTLS_EXTRA_CONFIG=$libgnutls_extra_config_prefix/bin/libgnutls-extra-config
fi
fi
AC_PATH_PROG(LIBGNUTLS_EXTRA_CONFIG, libgnutls-extra-config, no)
min_libgnutls_version=ifelse([$1], ,0.1.0,$1)
AC_MSG_CHECKING(for libgnutls - version >= $min_libgnutls_version)
no_libgnutls=""
if test "$LIBGNUTLS_EXTRA_CONFIG" = "no" ; then
no_libgnutls=yes
else
LIBGNUTLS_EXTRA_CFLAGS=`$LIBGNUTLS_EXTRA_CONFIG $libgnutls_extra_config_args --cflags`
LIBGNUTLS_EXTRA_LIBS=`$LIBGNUTLS_EXTRA_CONFIG $libgnutls_extra_config_args --libs`
libgnutls_extra_config_version=`$LIBGNUTLS_EXTRA_CONFIG $libgnutls_extra_config_args --version`
ac_save_CFLAGS="$CFLAGS"
ac_save_LIBS="$LIBS"
CFLAGS="$CFLAGS $LIBGNUTLS_EXTRA_CFLAGS"
LIBS="$LIBS $LIBGNUTLS_EXTRA_LIBS"
dnl
dnl Now check if the installed libgnutls is sufficiently new. Also sanity
dnl checks the results of libgnutls-extra-config to some extent
dnl
rm -f conf.libgnutlstest
AC_TRY_RUN([
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <gnutls/extra.h>
int
main ()
{
system ("touch conf.libgnutlstest");
if( strcmp( gnutls_extra_check_version(NULL), "$libgnutls_extra_config_version" ) )
{
printf("\n*** 'libgnutls-extra-config --version' returned %s, but LIBGNUTLS_EXTRA (%s)\n",
"$libgnutls_extra_config_version", gnutls_extra_check_version(NULL) );
printf("*** was found! If libgnutls-extra-config was correct, then it is best\n");
printf("*** to remove the old version of LIBGNUTLS_EXTRA. You may also be able to fix the error\n");
printf("*** by modifying your LD_LIBRARY_PATH enviroment variable, or by editing\n");
printf("*** /etc/ld.so.conf. Make sure you have run ldconfig if that is\n");
printf("*** required on your system.\n");
printf("*** If libgnutls-extra-config was wrong, set the environment variable LIBGNUTLS_EXTRA_CONFIG\n");
printf("*** to point to the correct copy of libgnutls-extra-config, and remove the file config.cache\n");
printf("*** before re-running configure\n");
}
else if ( strcmp(gnutls_extra_check_version(NULL), LIBGNUTLS_EXTRA_VERSION ) )
{
printf("\n*** LIBGNUTLS_EXTRA header file (version %s) does not match\n", LIBGNUTLS_EXTRA_VERSION);
printf("*** library (version %s). This is may be due to a different version of gnutls\n", gnutls_extra_check_version(NULL) );
printf("*** and gnutls-extra.\n");
}
else
{
if ( gnutls_extra_check_version( "$min_libgnutls_version" ) )
{
return 0;
}
else
{
printf("no\n*** An old version of LIBGNUTLS_EXTRA (%s) was found.\n",
gnutls_extra_check_version(NULL) );
printf("*** You need a version of LIBGNUTLS_EXTRA newer than %s. The latest version of\n",
"$min_libgnutls_version" );
printf("*** LIBGNUTLS_EXTRA is always available from ftp://gnutls.hellug.gr/pub/gnutls.\n");
printf("*** \n");
printf("*** If you have already installed a sufficiently new version, this error\n");
printf("*** probably means that the wrong copy of the libgnutls-extra-config shell script is\n");
printf("*** being found. The easiest way to fix this is to remove the old version\n");
printf("*** of LIBGNUTLS_EXTRA, but you can also set the LIBGNUTLS_EXTRA_CONFIG environment to point to the\n");
printf("*** correct copy of libgnutls-extra-config. (In this case, you will have to\n");
printf("*** modify your LD_LIBRARY_PATH enviroment variable, or edit /etc/ld.so.conf\n");
printf("*** so that the correct libraries are found at run-time))\n");
}
}
return 1;
}
],, no_libgnutls=yes,[echo $ac_n "cross compiling; assumed OK... $ac_c"])
CFLAGS="$ac_save_CFLAGS"
LIBS="$ac_save_LIBS"
fi
if test "x$no_libgnutls" = x ; then
AC_MSG_RESULT(yes)
ifelse([$2], , :, [$2])
else
if test -f conf.libgnutlstest ; then
:
else
AC_MSG_RESULT(no)
fi
if test "$LIBGNUTLS_EXTRA_CONFIG" = "no" ; then
echo "*** The libgnutls-extra-config script installed by LIBGNUTLS_EXTRA could not be found"
echo "*** If LIBGNUTLS_EXTRA was installed in PREFIX, make sure PREFIX/bin is in"
echo "*** your path, or set the LIBGNUTLS_EXTRA_CONFIG environment variable to the"
echo "*** full path to libgnutls-extra-config."
else
if test -f conf.libgnutlstest ; then
:
else
echo "*** Could not run libgnutls test program, checking why..."
CFLAGS="$CFLAGS $LIBGNUTLS_EXTRA_CFLAGS"
LIBS="$LIBS $LIBGNUTLS_EXTRA_LIBS"
AC_TRY_LINK([
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <gnutls/extra.h>
], [ return !!gnutls_extra_check_version(NULL); ],
[ echo "*** The test program compiled, but did not run. This usually means"
echo "*** that the run-time linker is not finding LIBGNUTLS_EXTRA or finding the wrong"
echo "*** version of LIBGNUTLS_EXTRA. If it is not finding LIBGNUTLS_EXTRA, you'll need to set your"
echo "*** LD_LIBRARY_PATH environment variable, or edit /etc/ld.so.conf to point"
echo "*** to the installed location Also, make sure you have run ldconfig if that"
echo "*** is required on your system"
echo "***"
echo "*** If you have an old version installed, it is best to remove it, although"
echo "*** you may also be able to get things to work by modifying LD_LIBRARY_PATH"
echo "***" ],
[ echo "*** The test program failed to compile or link. See the file config.log for the"
echo "*** exact error that occured. This usually means LIBGNUTLS_EXTRA was incorrectly installed"
echo "*** or that you have moved LIBGNUTLS_EXTRA since it was installed. In the latter case, you"
echo "*** may want to edit the libgnutls-extra-config script: $LIBGNUTLS_EXTRA_CONFIG" ])
CFLAGS="$ac_save_CFLAGS"
LIBS="$ac_save_LIBS"
fi
fi
LIBGNUTLS_EXTRA_CFLAGS=""
LIBGNUTLS_EXTRA_LIBS=""
ifelse([$3], , :, [$3])
fi
rm -f conf.libgnutlstest
AC_SUBST(LIBGNUTLS_EXTRA_CFLAGS)
AC_SUBST(LIBGNUTLS_EXTRA_LIBS)
])
dnl *-*wedit:notab*-* Please keep this as the last line.
|
