# Configure paths for XDELTA # Owen Taylor 97-11-3 dnl AM_PATH_XDELTA([MINIMUM-VERSION, [ACTION-IF-FOUND [, ACTION-IF-NOT-FOUND [, MODULES]]]]) dnl Test for XDELTA, and define XDELTA_CFLAGS and XDELTA_LIBS, if "gmodule" or dnl AC_DEFUN([AM_PATH_XDELTA], [dnl dnl Get the cflags and libraries from the xdelta-config script dnl AC_ARG_WITH(xdelta-prefix,[ --with-xdelta-prefix=PFX Prefix where XDELTA is installed (optional)], xdelta_config_prefix="$withval", xdelta_config_prefix="") AC_ARG_WITH(xdelta-exec-prefix,[ --with-xdelta-exec-prefix=PFX Exec prefix where XDELTA is installed (optional)], xdelta_config_exec_prefix="$withval", xdelta_config_exec_prefix="") AC_ARG_ENABLE(xdeltatest, [ --disable-xdeltatest Do not try to compile and run a test XDELTA program], , enable_xdeltatest=yes) if test x$xdelta_config_exec_prefix != x ; then xdelta_config_args="$xdelta_config_args --exec-prefix=$xdelta_config_exec_prefix" if test x${XDELTA_CONFIG+set} != xset ; then XDELTA_CONFIG=$xdelta_config_exec_prefix/bin/xdelta-config fi fi if test x$xdelta_config_prefix != x ; then xdelta_config_args="$xdelta_config_args --prefix=$xdelta_config_prefix" if test x${XDELTA_CONFIG+set} != xset ; then XDELTA_CONFIG=$xdelta_config_prefix/bin/xdelta-config fi fi AC_PATH_PROG(XDELTA_CONFIG, xdelta-config, no) min_xdelta_version=ifelse([$1], ,1.0.0,$1) AC_MSG_CHECKING(for XDELTA - version >= $min_xdelta_version) no_xdelta="" if test "$XDELTA_CONFIG" = "no" ; then no_xdelta=yes else XDELTA_CFLAGS=`$XDELTA_CONFIG $xdelta_config_args --cflags` XDELTA_LIBS=`$XDELTA_CONFIG $xdelta_config_args --libs` xdelta_config_major_version=`$XDELTA_CONFIG $xdelta_config_args --version | \ sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\1/'` xdelta_config_minor_version=`$XDELTA_CONFIG $xdelta_config_args --version | \ sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\2/'` xdelta_config_micro_version=`$XDELTA_CONFIG $xdelta_config_args --version | \ sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\3/'` if test "x$enable_xdeltatest" = "xyes" ; then ac_save_CFLAGS="$CFLAGS" ac_save_LIBS="$LIBS" CFLAGS="$CFLAGS $XDELTA_CFLAGS" LIBS="$LIBS $XDELTA_LIBS" dnl dnl Now check if the installed XDELTA is sufficiently new. (Also sanity dnl checks the results of xdelta-config to some extent dnl rm -f conf.xdeltatest AC_TRY_RUN([ #include #include #include int main () { int major, minor, micro; char *tmp_version; system ("touch conf.xdeltatest"); /* HP/UX 9 (%@#!) writes to sscanf strings */ tmp_version = g_strdup("$min_xdelta_version"); if (sscanf(tmp_version, "%d.%d.%d", &major, &minor, µ) != 3) { printf("%s, bad version string\n", "$min_xdelta_version"); exit(1); } if ((xdelta_major_version != $xdelta_config_major_version) || (xdelta_minor_version != $xdelta_config_minor_version) || (xdelta_micro_version != $xdelta_config_micro_version)) { printf("\n*** 'xdelta-config --version' returned %d.%d.%d, but XDELTA (%d.%d.%d)\n", $xdelta_config_major_version, $xdelta_config_minor_version, $xdelta_config_micro_version, xdelta_major_version, xdelta_minor_version, xdelta_micro_version); printf ("*** was found! If xdelta-config was correct, then it is best\n"); printf ("*** to remove the old version of XDELTA. 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 xdelta-config was wrong, set the environment variable XDELTA_CONFIG\n"); printf("*** to point to the correct copy of xdelta-config, and remove the file config.cache\n"); printf("*** before re-running configure\n"); } else if ((xdelta_major_version != XDELTA_MAJOR_VERSION) || (xdelta_minor_version != XDELTA_MINOR_VERSION) || (xdelta_micro_version != XDELTA_MICRO_VERSION)) { printf("*** XDELTA header files (version %d.%d.%d) do not match\n", XDELTA_MAJOR_VERSION, XDELTA_MINOR_VERSION, XDELTA_MICRO_VERSION); printf("*** library (version %d.%d.%d)\n", xdelta_major_version, xdelta_minor_version, xdelta_micro_version); } else { if ((xdelta_major_version > major) || ((xdelta_major_version == major) && (xdelta_minor_version > minor)) || ((xdelta_major_version == major) && (xdelta_minor_version == minor) && (xdelta_micro_version >= micro))) { return 0; } else { printf("\n*** An old version of XDELTA (%d.%d.%d) was found.\n", xdelta_major_version, xdelta_minor_version, xdelta_micro_version); printf("*** You need a version of XDELTA newer than %d.%d.%d. The latest version of\n", major, minor, micro); printf("*** XDELTA is always available from ftp://ftp.gtk.org.\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 xdelta-config shell script is\n"); printf("*** being found. The easiest way to fix this is to remove the old version\n"); printf("*** of XDELTA, but you can also set the XDELTA_CONFIG environment to point to the\n"); printf("*** correct copy of xdelta-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_xdelta=yes,[echo $ac_n "cross compiling; assumed OK... $ac_c"]) CFLAGS="$ac_save_CFLAGS" LIBS="$ac_save_LIBS" fi fi if test "x$no_xdelta" = x ; then AC_MSG_RESULT(yes) ifelse([$2], , :, [$2]) else AC_MSG_RESULT(no) if test "$XDELTA_CONFIG" = "no" ; then echo "*** The xdelta-config script installed by XDELTA could not be found" echo "*** If XDELTA was installed in PREFIX, make sure PREFIX/bin is in" echo "*** your path, or set the XDELTA_CONFIG environment variable to the" echo "*** full path to xdelta-config." else if test -f conf.xdeltatest ; then : else echo "*** Could not run XDELTA test program, checking why..." CFLAGS="$CFLAGS $XDELTA_CFLAGS" LIBS="$LIBS $XDELTA_LIBS" AC_TRY_LINK([ #include #include ], [ return ((xdelta_major_version) || (xdelta_minor_version) || (xdelta_micro_version)); ], [ echo "*** The test program compiled, but did not run. This usually means" echo "*** that the run-time linker is not finding XDELTA or finding the wrong" echo "*** version of XDELTA. If it is not finding XDELTA, 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 "*** If you have a RedHat 5.0 system, you should remove the GTK package that" echo "*** came with the system with the command" echo "***" echo "*** rpm --erase --nodeps gtk gtk-devel" ], [ echo "*** The test program failed to compile or link. See the file config.log for the" echo "*** exact error that occured. This usually means XDELTA was incorrectly installed" echo "*** or that you have moved XDELTA since it was installed. In the latter case, you" echo "*** may want to edit the xdelta-config script: $XDELTA_CONFIG" ]) CFLAGS="$ac_save_CFLAGS" LIBS="$ac_save_LIBS" fi fi XDELTA_CFLAGS="" XDELTA_LIBS="" ifelse([$3], , :, [$3]) fi AC_SUBST(XDELTA_CFLAGS) AC_SUBST(XDELTA_LIBS) rm -f conf.xdeltatest ])