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dnl Configure paths for DVDNAV
dnl
dnl Copyright (C) 2001 Daniel Caujolle-Bert <segfault@club-internet.fr>
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 $LIBS"
dnl
dnl Now check if the installed DVDNAV is sufficiently new. (Also sanity
dnl checks the results of dvdnav-config to some extent
dnl
AC_LANG_SAVE()
AC_LANG_C()
rm -f conf.dvdnavtest
AC_TRY_RUN([
#include <dvdnav.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
int
main ()
{
int major, minor, sub;
char *tmp_version;
system ("touch conf.dvdnavtest");
/* HP/UX 9 (%@#!) writes to sscanf strings */
tmp_version = (char *) strdup("$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 <dvdnav.h>
#include <stdio.h>
], [ 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
])
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