dnl Autoconf macros for libgnutls dnl $id$ # 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_LIBGNUTLS([MINIMUM-VERSION, [ACTION-IF-FOUND [, ACTION-IF-NOT-FOUND ]]]) dnl Test for libgnutls, and define LIBGNUTLS_CFLAGS and LIBGNUTLS_LIBS dnl AC_DEFUN([AX_PATH_LIBGNUTLS], [dnl dnl Get the cflags and libraries from the libgnutls-config script dnl AC_ARG_WITH(libgnutls-prefix, [ --with-libgnutls-prefix=PFX Prefix where libgnutls is installed (optional)], libgnutls_config_prefix="$withval", libgnutls_config_prefix="") if test x$libgnutls_config_prefix != x ; then if test x${LIBGNUTLS_CONFIG+set} != xset ; then LIBGNUTLS_CONFIG=$libgnutls_config_prefix/bin/libgnutls-config fi fi AC_PATH_PROG(LIBGNUTLS_CONFIG, libgnutls-config, no) AC_PATH_PROG(PKG_CONFIG, pkg-config, no) no_libgnutls="" if test "$LIBGNUTLS_CONFIG" != "no"; then LIBGNUTLS_CFLAGS=`$LIBGNUTLS_CONFIG $libgnutls_config_args --cflags` LIBGNUTLS_LIBS="`$LIBGNUTLS_CONFIG $libgnutls_config_args --libs` -lpthread -lgcrypt" libgnutls_config_version=`$LIBGNUTLS_CONFIG $libgnutls_config_args --version` elif test "$PKG_CONFIG" != "no"; then LIBGNUTLS_CFLAGS=`$PKG_CONFIG --cflags gnutls` LIBGNUTLS_LIBS="`$PKG_CONFIG --libs gnutls` -lpthread -lgcrypt" libgnutls_config_version=`$PKG_CONFIG --modversion gnutls` else no_libgnutls=yes fi min_libgnutls_version=ifelse([$1], ,0.1.0,$1) AC_MSG_CHECKING(for libgnutls - version >= $min_libgnutls_version) if test x"$no_libgnutls" = x""; then ac_save_CFLAGS="$CFLAGS" ac_save_LIBS="$LIBS" CFLAGS="$CFLAGS $LIBGNUTLS_CFLAGS" LIBS="$LIBS $LIBGNUTLS_LIBS" dnl dnl Now check if the installed libgnutls is sufficiently new. Also sanity dnl checks the results of libgnutls-config to some extent dnl rm -f conf.libgnutlstest AC_TRY_RUN([ #include #include #include #include int main () { system ("touch conf.libgnutlstest"); if( strcmp( gnutls_check_version(NULL), "$libgnutls_config_version" ) ) { printf("\n*** 'libgnutls-config --version' returned %s, but LIBGNUTLS (%s)\n", "$libgnutls_config_version", gnutls_check_version(NULL) ); printf("*** was found! If libgnutls-config was correct, then it is best\n"); printf("*** to remove the old version of LIBGNUTLS. You may also be able to fix the error\n"); printf("*** by modifying your LD_LIBRARY_PATH enviroment variable, or by editing\n"); printf("*** /etc/ld.so.conf. Make sure you have run ldconfig if that is\n"); printf("*** required on your system.\n"); printf("*** If libgnutls-config was wrong, set the environment variable LIBGNUTLS_CONFIG\n"); printf("*** to point to the correct copy of libgnutls-config, and remove the file config.cache\n"); printf("*** before re-running configure\n"); } else if ( strcmp(gnutls_check_version(NULL), LIBGNUTLS_VERSION ) ) { printf("\n*** LIBGNUTLS header file (version %s) does not match\n", LIBGNUTLS_VERSION); printf("*** library (version %s)\n", gnutls_check_version(NULL) ); } else { if ( gnutls_check_version( "$min_libgnutls_version" ) ) { return 0; } else { printf("no\n*** An old version of LIBGNUTLS (%s) was found.\n", gnutls_check_version(NULL) ); printf("*** You need a version of LIBGNUTLS newer than %s. The latest version of\n", "$min_libgnutls_version" ); printf("*** LIBGNUTLS 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-config shell script is\n"); printf("*** being found. The easiest way to fix this is to remove the old version\n"); printf("*** of LIBGNUTLS, but you can also set the LIBGNUTLS_CONFIG environment to point to the\n"); printf("*** correct copy of libgnutls-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_CONFIG" = "no" ; then echo "*** The libgnutls-config script installed by LIBGNUTLS could not be found" echo "*** If LIBGNUTLS was installed in PREFIX, make sure PREFIX/bin is in" echo "*** your path, or set the LIBGNUTLS_CONFIG environment variable to the" echo "*** full path to libgnutls-config." else if test -f conf.libgnutlstest ; then : else echo "*** Could not run libgnutls test program, checking why..." CFLAGS="$CFLAGS $LIBGNUTLS_CFLAGS" LIBS="$LIBS $LIBGNUTLS_LIBS" AC_TRY_LINK([ #include #include #include #include ], [ return !!gnutls_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 or finding the wrong" echo "*** version of LIBGNUTLS. If it is not finding LIBGNUTLS, 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 was incorrectly installed" echo "*** or that you have moved LIBGNUTLS since it was installed. In the latter case, you" echo "*** may want to edit the libgnutls-config script: $LIBGNUTLS_CONFIG" ]) CFLAGS="$ac_save_CFLAGS" LIBS="$ac_save_LIBS" fi fi LIBGNUTLS_CFLAGS="" LIBGNUTLS_LIBS="" ifelse([$3], , :, [$3]) fi rm -f conf.libgnutlstest AC_SUBST(LIBGNUTLS_CFLAGS) AC_SUBST(LIBGNUTLS_LIBS) ]) dnl *-*wedit:notab*-* Please keep this as the last line.