dnl Configure paths for DVDNAV dnl dnl Copyright (C) 2001 Daniel Caujolle-Bert dnl dnl This program is free software; you can redistribute it and/or modify dnl it under the terms of the GNU General Public License as published by dnl the Free Software Foundation; either version 2 of the License, or dnl (at your option) any later version. dnl dnl This program is distributed in the hope that it will be useful, dnl but WITHOUT ANY WARRANTY; without even the implied warranty of dnl MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the dnl GNU General Public License for more details. dnl dnl You should have received a copy of the GNU General Public License dnl along with this program; if not, write to the Free Software dnl Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. dnl dnl dnl As a special exception to the GNU General Public License, if you dnl distribute this file as part of a program that contains a configuration dnl script generated by Autoconf, you may include it under the same dnl distribution terms that you use for the rest of that program. dnl dnl AM_PATH_DVDNAV([MINIMUM-VERSION, [ACTION-IF-FOUND [, ACTION-IF-NOT-FOUND ]]]) dnl Test for DVDNAV, and define DVDNAV_CFLAGS and DVDNAV_LIBS dnl AC_DEFUN([AM_PATH_DVDNAV], [dnl dnl Get the cflags and libraries from the dvdnav-config script dnl AC_ARG_WITH(dvdnav-prefix, AC_HELP_STRING([--with-dvdnav-prefix=DIR], [prefix where DVDNAV is installed (optional)]), dvdnav_config_prefix="$withval", dvdnav_config_prefix="") AC_ARG_WITH(dvdnav-exec-prefix, AC_HELP_STRING([--with-dvdnav-exec-prefix=DIR], [exec prefix where DVDNAV is installed (optional)]), dvdnav_config_exec_prefix="$withval", dvdnav_config_exec_prefix="") AC_ARG_ENABLE(dvdnavtest, AC_HELP_STRING([--disable-dvdnavtest], [do not try to compile and run a test DVDNAV program]), enable_dvdnavtest=$enableval, enable_dvdnavtest=yes) if test x$dvdnav_config_exec_prefix != x ; then dvdnav_config_args="$dvdnav_config_args --exec-prefix=$dvdnav_config_exec_prefix" if test x${DVDNAV_CONFIG+set} != xset ; then DVDNAV_CONFIG=$dvdnav_config_exec_prefix/bin/dvdnav-config fi fi if test x$dvdnav_config_prefix != x ; then dvdnav_config_args="$dvdnav_config_args --prefix=$dvdnav_config_prefix" if test x${DVDNAV_CONFIG+set} != xset ; then DVDNAV_CONFIG=$dvdnav_config_prefix/bin/dvdnav-config fi fi min_dvdnav_version=ifelse([$1], ,0.0.0,$1) if test "x$enable_dvdnavtest" != "xyes" ; then AC_MSG_CHECKING([for DVDNAV-LIB version >= $min_dvdnav_version]) else AC_PATH_PROG(DVDNAV_CONFIG, dvdnav-config, no) AC_MSG_CHECKING([for DVDNAV-LIB version >= $min_dvdnav_version]) no_dvdnav="" if test "$DVDNAV_CONFIG" = "no" ; then no_dvdnav=yes else DVDNAV_CFLAGS=`$DVDNAV_CONFIG $dvdnav_config_args --cflags` DVDNAV_LIBS=`$DVDNAV_CONFIG $dvdnav_config_args --libs` dvdnav_config_major_version=`$DVDNAV_CONFIG $dvdnav_config_args --version | \ sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\1/'` dvdnav_config_minor_version=`$DVDNAV_CONFIG $dvdnav_config_args --version | \ sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\2/'` dvdnav_config_sub_version=`$DVDNAV_CONFIG $dvdnav_config_args --version | \ sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\3/'` dnl if test "x$enable_dvdnavtest" = "xyes" ; then ac_save_CFLAGS="$CFLAGS" ac_save_LIBS="$LIBS" CFLAGS="$CFLAGS $DVDNAV_CFLAGS" LIBS="$DVDNAV_LIBS $LIBS" dnl dnl Now check if the installed DVDNAV is sufficiently new. (Also sanity dnl checks the results of dvdnav-config to some extent dnl AC_LANG_SAVE() AC_LANG_C() rm -f conf.dvdnavtest AC_TRY_RUN([ #include #include #include #include int main () { int major, minor, sub; char *tmp_version; system ("touch conf.dvdnavtest"); /* HP/UX 9 (%@#!) writes to sscanf strings */ tmp_version = (char *) strdup("$min_dvdnav_version"); if (sscanf(tmp_version, "%d.%d.%d", &major, &minor, &sub) != 3) { printf("%s, bad version string\n", "$min_dvdnav_version"); exit(1); } if (($dvdnav_config_major_version > major) || (($dvdnav_config_major_version == major) && ($dvdnav_config_minor_version > minor)) || (($dvdnav_config_major_version == major) && ($dvdnav_config_minor_version == minor) && ($dvdnav_config_sub_version >= sub))) { return 0; } else { printf("\n*** An old version of libdvdnav (%d.%d.%d) was found.\n", $dvdnav_config_major_version, $dvdnav_config_minor_version, $dvdnav_config_sub_version); printf("*** You need a version of libdvdnav newer than %d.%d.%d. The latest version of\n", major, minor, sub); printf("*** libdvdnav is always available from:\n"); printf("*** http://dvd.sourceforge.net\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 dvdnav-config shell script is\n"); printf("*** being found. The easiest way to fix this is to remove the old version\n"); printf("*** of libdvdnav, but you can also set the DVDNAV_CONFIG environment to point to the\n"); printf("*** correct copy of dvdnav-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_dvdnav=yes,[echo $ac_n "cross compiling; assumed OK... $ac_c"]) CFLAGS="$ac_save_CFLAGS" LIBS="$ac_save_LIBS" fi fi if test "x$no_dvdnav" = x ; then AC_MSG_RESULT(yes) ifelse([$2], , :, [$2]) else AC_MSG_RESULT(no) if test "$DVDNAV_CONFIG" = "no" ; then echo "*** The dvdnav-config script installed by DVDNAV could not be found" echo "*** If DVDNAV was installed in PREFIX, make sure PREFIX/bin is in" echo "*** your path, or set the DVDNAV_CONFIG environment variable to the" echo "*** full path to dvdnav-config." else if test -f conf.dvdnavtest ; then : else echo "*** Could not run DVDNAV test program, checking why..." CFLAGS="$CFLAGS $DVDNAV_CFLAGS" LIBS="$LIBS $DVDNAV_LIBS" AC_TRY_LINK([ #include #include ], [ return 0; ], [ echo "*** The test program compiled, but did not run. This usually means" echo "*** that the run-time linker is not finding DVDNAV or finding the wrong" echo "*** version of DVDNAV. If it is not finding DVDNAV, 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 DVDNAV was incorrectly installed" echo "*** or that you have moved DVDNAV since it was installed. In the latter case, you" echo "*** may want to edit the dvdnav-config script: $DVDNAV_CONFIG" ]) CFLAGS="$ac_save_CFLAGS" LIBS="$ac_save_LIBS" fi fi DVDNAV_CFLAGS="" DVDNAV_LIBS="" ifelse([$3], , :, [$3]) fi AC_SUBST(DVDNAV_CFLAGS) AC_SUBST(DVDNAV_LIBS) AC_LANG_RESTORE() rm -f conf.dvdnavtest ])