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dnl Autoconf macros for libprelude
dnl $id$
# Modified for LIBPRELUDE -- Yoann Vandoorselaere
# Modified for LIBGNUTLS -- nmav
# Configure paths for LIBGCRYPT
# Shamelessly stolen from the one of XDELTA by Owen Taylor
# Werner Koch 99-12-09
dnl AM_PATH_LIBPRELUDE([MINIMUM-VERSION, [ACTION-IF-FOUND [, ACTION-IF-NOT-FOUND ]]], THREAD_SUPPORT)
dnl Test for libprelude, and define LIBPRELUDE_PREFIX, LIBPRELUDE_CFLAGS, LIBPRELUDE_PTHREAD_CFLAGS,
dnl LIBPRELUDE_LDFLAGS, and LIBPRELUDE_LIBS
dnl
AC_DEFUN([AM_PATH_LIBPRELUDE],
[dnl
dnl Get the cflags and libraries from the libprelude-config script
dnl
AC_ARG_WITH(libprelude-prefix, AC_HELP_STRING(--with-libprelude-prefix=PFX,
Prefix where libprelude is installed (optional)),
libprelude_config_prefix="$withval", libprelude_config_prefix="")
if test x$libprelude_config_prefix != x ; then
if test x${LIBPRELUDE_CONFIG+set} != xset ; then
LIBPRELUDE_CONFIG=$libprelude_config_prefix/bin/libprelude-config
fi
fi
AC_PATH_PROG(LIBPRELUDE_CONFIG, libprelude-config, no)
if test "$LIBPRELUDE_CONFIG" != "no"; then
if $($LIBPRELUDE_CONFIG --thread > /dev/null 2>&1); then
LIBPRELUDE_PTHREAD_CFLAGS=`$LIBPRELUDE_CONFIG --thread --cflags`
if test x$4 = xtrue || test x$4 = xyes; then
libprelude_config_args="--thread"
else
libprelude_config_args="--no-thread"
fi
else
LIBPRELUDE_PTHREAD_CFLAGS=`$LIBPRELUDE_CONFIG --pthread-cflags`
fi
fi
min_libprelude_version=ifelse([$1], ,0.1.0,$1)
AC_MSG_CHECKING(for libprelude - version >= $min_libprelude_version)
no_libprelude=""
if test "$LIBPRELUDE_CONFIG" = "no" ; then
no_libprelude=yes
else
LIBPRELUDE_CFLAGS=`$LIBPRELUDE_CONFIG $libprelude_config_args --cflags`
LIBPRELUDE_LDFLAGS=`$LIBPRELUDE_CONFIG $libprelude_config_args --ldflags`
LIBPRELUDE_LIBS=`$LIBPRELUDE_CONFIG $libprelude_config_args --libs`
LIBPRELUDE_PREFIX=`$LIBPRELUDE_CONFIG $libprelude_config_args --prefix`
LIBPRELUDE_CONFIG_PREFIX=`$LIBPRELUDE_CONFIG $libprelude_config_args --config-prefix`
libprelude_config_version=`$LIBPRELUDE_CONFIG $libprelude_config_args --version`
ac_save_CFLAGS="$CFLAGS"
ac_save_LDFLAGS="$LDFLAGS"
ac_save_LIBS="$LIBS"
CFLAGS="$CFLAGS $LIBPRELUDE_CFLAGS"
LDFLAGS="$LDFLAGS $LIBPRELUDE_LDFLAGS"
LIBS="$LIBS $LIBPRELUDE_LIBS"
dnl
dnl Now check if the installed libprelude is sufficiently new. Also sanity
dnl checks the results of libprelude-config to some extent
dnl
rm -f conf.libpreludetest
AC_TRY_RUN([
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <libprelude/prelude.h>
int
main ()
{
system ("touch conf.libpreludetest");
if( strcmp( prelude_check_version(NULL), "$libprelude_config_version" ) )
{
printf("\n*** 'libprelude-config --version' returned %s, but LIBPRELUDE (%s)\n",
"$libprelude_config_version", prelude_check_version(NULL) );
printf("*** was found! If libprelude-config was correct, then it is best\n");
printf("*** to remove the old version of LIBPRELUDE. You may also be able to fix the error\n");
printf("*** by modifying your LD_LIBRARY_PATH enviroment variable, or by editing\n");
printf("*** /etc/ld.so.conf. Make sure you have run ldconfig if that is\n");
printf("*** required on your system.\n");
printf("*** If libprelude-config was wrong, set the environment variable LIBPRELUDE_CONFIG\n");
printf("*** to point to the correct copy of libprelude-config, and remove the file config.cache\n");
printf("*** before re-running configure\n");
}
else if ( strcmp(prelude_check_version(NULL), LIBPRELUDE_VERSION ) ) {
printf("\n*** LIBPRELUDE header file (version %s) does not match\n", LIBPRELUDE_VERSION);
printf("*** library (version %s)\n", prelude_check_version(NULL) );
}
else {
if ( prelude_check_version( "$min_libprelude_version" ) )
return 0;
else {
printf("no\n*** An old version of LIBPRELUDE (%s) was found.\n",
prelude_check_version(NULL) );
printf("*** You need a version of LIBPRELUDE newer than %s. The latest version of\n",
"$min_libprelude_version" );
printf("*** LIBPRELUDE is always available from http://www.prelude-ids.com/development/download/\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 libprelude-config shell script is\n");
printf("*** being found. The easiest way to fix this is to remove the old version\n");
printf("*** of LIBPRELUDE, but you can also set the LIBPRELUDE_CONFIG environment to point to the\n");
printf("*** correct copy of libprelude-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_libprelude=yes,[echo $ac_n "cross compiling; assumed OK... $ac_c"])
CFLAGS="$ac_save_CFLAGS"
LIBS="$ac_save_LIBS"
LDFLAGS="$ac_save_LDFLAGS"
fi
if test "x$no_libprelude" = x ; then
AC_MSG_RESULT(yes)
ifelse([$2], , :, [$2])
else
if test -f conf.libpreludetest ; then
:
else
AC_MSG_RESULT(no)
fi
if test "$LIBPRELUDE_CONFIG" = "no" ; then
echo "*** The libprelude-config script installed by LIBPRELUDE could not be found"
echo "*** If LIBPRELUDE was installed in PREFIX, make sure PREFIX/bin is in"
echo "*** your path, or set the LIBPRELUDE_CONFIG environment variable to the"
echo "*** full path to libprelude-config."
else
if test -f conf.libpreludetest ; then
:
else
echo "*** Could not run libprelude test program, checking why..."
CFLAGS="$CFLAGS $LIBPRELUDE_CFLAGS"
LDFLAGS="$LDFLAGS $LIBPRELUDE_LDFLAGS"
LIBS="$LIBS $LIBPRELUDE_LIBS"
AC_TRY_LINK([
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <libprelude/prelude.h>
], [ return !!prelude_check_version(NULL); ],
[ echo "*** The test program compiled, but did not run. This usually means"
echo "*** that the run-time linker is not finding LIBPRELUDE or finding the wrong"
echo "*** version of LIBPRELUDE. If it is not finding LIBPRELUDE, 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 LIBPRELUDE was incorrectly installed"
echo "*** or that you have moved LIBPRELUDE since it was installed. In the latter case, you"
echo "*** may want to edit the libprelude-config script: $LIBPRELUDE_CONFIG" ])
CFLAGS="$ac_save_CFLAGS"
LDFLAGS="$ac_save_LDFLAGS"
LIBS="$ac_save_LIBS"
fi
fi
LIBPRELUDE_CFLAGS=""
LIBPRELUDE_LDFLAGS=""
LIBPRELUDE_LIBS=""
ifelse([$3], , :, [$3])
fi
rm -f conf.libpreludetest
AC_SUBST(LIBPRELUDE_CFLAGS)
AC_SUBST(LIBPRELUDE_PTHREAD_CFLAGS)
AC_SUBST(LIBPRELUDE_LDFLAGS)
AC_SUBST(LIBPRELUDE_LIBS)
AC_SUBST(LIBPRELUDE_PREFIX)
AC_SUBST(LIBPRELUDE_CONFIG_PREFIX)
m4_ifdef([LT_INIT],
[AC_DEFINE([PRELUDE_APPLICATION_USE_LIBTOOL2], [], [Define whether application use libtool >= 2.0])],
[])
])
dnl *-*wedit:notab*-* Please keep this as the last line.
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