diff options
Diffstat (limited to 'xdelta.m4')
-rwxr-xr-x | xdelta.m4 | 183 |
1 files changed, 183 insertions, 0 deletions
diff --git a/xdelta.m4 b/xdelta.m4 new file mode 100755 index 0000000..5a0dc11 --- /dev/null +++ b/xdelta.m4 @@ -0,0 +1,183 @@ +# 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 $XDELTA_LIBS" +dnl +dnl Now check if the installed XDELTA is sufficiently new. (Also sanity +dnl checks the results of xdelta-config to some extent +dnl + rm -f conf.xdeltatest + AC_TRY_RUN([ +#include <xdelta.h> +#include <stdio.h> +#include <stdlib.h> + +int +main () +{ + int major, minor, micro; + char *tmp_version; + + system ("touch conf.xdeltatest"); + + /* HP/UX 9 (%@#!) writes to sscanf strings */ + tmp_version = g_strdup("$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 <xdelta.h> +#include <stdio.h> +], [ 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 +]) |