diff options
Diffstat (limited to 'm4/libprelude.m4')
| -rw-r--r-- | m4/libprelude.m4 | 176 |
1 files changed, 176 insertions, 0 deletions
diff --git a/m4/libprelude.m4 b/m4/libprelude.m4 new file mode 100644 index 0000000..a9ea404 --- /dev/null +++ b/m4/libprelude.m4 @@ -0,0 +1,176 @@ +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 ]]]) +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) + 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 $libprelude_config_args --cflags` + LIBPRELUDE_PTHREAD_CFLAGS=`$LIBPRELUDE_CONFIG $libprelude_config_args --pthread-cflags` + LIBPRELUDE_LDFLAGS=`$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", + "$libprelude_config_version", prelude_check_version(NULL) ); + printf("*** was found! If libprelude-config was correct, then it is best\n"); + printf("*** to remove the old version of LIBPRELUDE. You may also be able to fix the error\n"); + printf("*** by modifying your LD_LIBRARY_PATH environment variable, or by editing\n"); + printf("*** /etc/ld.so.conf. Make sure you have run ldconfig if that is\n"); + printf("*** required on your system.\n"); + printf("*** If libprelude-config was wrong, set the environment variable LIBPRELUDE_CONFIG\n"); + printf("*** to point to the correct copy of libprelude-config, and remove the file config.cache\n"); + printf("*** before re-running configure\n"); + } + else if ( strcmp(prelude_check_version(NULL), LIBPRELUDE_VERSION ) ) + { + printf("\n*** LIBPRELUDE header file (version %s) does not match\n", LIBPRELUDE_VERSION); + printf("*** library (version %s)\n", prelude_check_version(NULL) ); + } + else + { + if ( prelude_check_version( "$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.org/download/releases.\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 environment 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 occurred. 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) +]) + +dnl *-*wedit:notab*-* Please keep this as the last line. |