aclocal.m4

一个很好用的MPEG1/4的开源编码器的应用程序

dnl aclocal.m4 generated automatically by aclocal 1.4-p4

dnl Copyright (C) 1994, 1995-8, 1999 Free Software Foundation, Inc.
dnl This file is free software; the Free Software Foundation
dnl gives unlimited permission to copy and/or distribute it,
dnl with or without modifications, as long as this notice is preserved.

dnl This program is distributed in the hope that it will be useful,
dnl but WITHOUT ANY WARRANTY, to the extent permitted by law; without
dnl even the implied warranty of MERCHANTABILITY or FITNESS FOR A
dnl PARTICULAR PURPOSE.

# Do all the work for Automake.  This macro actually does too much --
# some checks are only needed if your package does certain things.
# But this isn't really a big deal.

# serial 1

dnl Usage:
dnl AM_INIT_AUTOMAKE(package,version, [no-define])

AC_DEFUN(AM_INIT_AUTOMAKE,
[AC_REQUIRE([AC_PROG_INSTALL])
PACKAGE=[$1]
AC_SUBST(PACKAGE)
VERSION=[$2]
AC_SUBST(VERSION)
dnl test to see if srcdir already configured
if test "`cd $srcdir && pwd`" != "`pwd`" && test -f $srcdir/config.status; then
  AC_MSG_ERROR([source directory already configured; run "make distclean" there first])
fi
ifelse([$3],,
AC_DEFINE_UNQUOTED(PACKAGE, "$PACKAGE", [Name of package])
AC_DEFINE_UNQUOTED(VERSION, "$VERSION", [Version number of package]))
AC_REQUIRE([AM_SANITY_CHECK])
AC_REQUIRE([AC_ARG_PROGRAM])
dnl FIXME This is truly gross.
missing_dir=`cd $ac_aux_dir && pwd`
AM_MISSING_PROG(ACLOCAL, aclocal, $missing_dir)
AM_MISSING_PROG(AUTOCONF, autoconf, $missing_dir)
AM_MISSING_PROG(AUTOMAKE, automake, $missing_dir)
AM_MISSING_PROG(AUTOHEADER, autoheader, $missing_dir)
AM_MISSING_PROG(MAKEINFO, makeinfo, $missing_dir)
AC_REQUIRE([AC_PROG_MAKE_SET])])

#
# Check to make sure that the build environment is sane.
#

AC_DEFUN(AM_SANITY_CHECK,
[AC_MSG_CHECKING([whether build environment is sane])
# Just in case
sleep 1
echo timestamp > conftestfile
# Do `set' in a subshell so we don't clobber the current shell's
# arguments.  Must try -L first in case configure is actually a
# symlink; some systems play weird games with the mod time of symlinks
# (eg FreeBSD returns the mod time of the symlink's containing
# directory).
if (
   set X `ls -Lt $srcdir/configure conftestfile 2> /dev/null`
   if test "[$]*" = "X"; then
      # -L didn't work.
      set X `ls -t $srcdir/configure conftestfile`
   fi
   if test "[$]*" != "X $srcdir/configure conftestfile" \
      && test "[$]*" != "X conftestfile $srcdir/configure"; then

      # If neither matched, then we have a broken ls.  This can happen
      # if, for instance, CONFIG_SHELL is bash and it inherits a
      # broken ls alias from the environment.  This has actually
      # happened.  Such a system could not be considered "sane".
      AC_MSG_ERROR([ls -t appears to fail.  Make sure there is not a broken
alias in your environment])
   fi

   test "[$]2" = conftestfile
   )
then
   # Ok.
   :
else
   AC_MSG_ERROR([newly created file is older than distributed files!
Check your system clock])
fi
rm -f conftest*
AC_MSG_RESULT(yes)])

dnl AM_MISSING_PROG(NAME, PROGRAM, DIRECTORY)
dnl The program must properly implement --version.
AC_DEFUN(AM_MISSING_PROG,
[AC_MSG_CHECKING(for working $2)
# Run test in a subshell; some versions of sh will print an error if
# an executable is not found, even if stderr is redirected.
# Redirect stdin to placate older versions of autoconf.  Sigh.
if ($2 --version) < /dev/null > /dev/null 2>&1; then
   $1=$2
   AC_MSG_RESULT(found)
else
   $1="$3/missing $2"
   AC_MSG_RESULT(missing)
fi
AC_SUBST($1)])

dnl AM_PATH_LIBFAME([MINIMUM-VERSION, [ACTION-IF-FOUND [, ACTION-IF-NOT-FOUND [, MODULES]]]])
dnl Test for libfame, and define LIBFAME_CFLAGS and LIBFAME_LIBS
dnl Vivien Chappelier 12/11/00
dnl stolen from ORBit autoconf
dnl
AC_DEFUN(AM_PATH_LIBFAME,
[dnl 
dnl Get the cflags and libraries from the libfame-config script
dnl
AC_ARG_WITH(libfame-prefix,[  --with-libfame-prefix=PFX   Prefix where libfame is installed (optional)],
            libfame_config_prefix="$withval", libfame_config_prefix="")
AC_ARG_WITH(libfame-exec-prefix,[  --with-libfame-exec-prefix=PFX Exec prefix where libfame is installed (optional)],
            libfame_config_exec_prefix="$withval", libfame_config_exec_prefix="")
AC_ARG_ENABLE(libfametest, [  --disable-libfametest       Do not try to compile and run a test libfame program],
		    , enable_libfametest=yes)

  if test x$libfame_config_exec_prefix != x ; then
     libfame_config_args="$libfame_config_args --exec-prefix=$libfame_config_exec_prefix"
     if test x${LIBFAME_CONFIG+set} != xset ; then
        LIBFAME_CONFIG=$libfame_config_exec_prefix/bin/libfame-config
     fi
  fi
  if test x$libfame_config_prefix != x ; then
     libfame_config_args="$libfame_config_args --prefix=$libfame_config_prefix"
     if test x${LIBFAME_CONFIG+set} != xset ; then
        LIBFAME_CONFIG=$libfame_config_prefix/bin/libfame-config
     fi
  fi

  AC_PATH_PROG(LIBFAME_CONFIG, libfame-config, no)
  min_libfame_version=ifelse([$1], , 0.9.0, $1)
  AC_MSG_CHECKING(for libfame - version >= $min_libfame_version)
  no_libfame=""
  if test "$LIBFAME_CONFIG" = "no" ; then
    no_libfame=yes
  else
    LIBFAME_CFLAGS=`$LIBFAME_CONFIG $libfame_config_args --cflags`
    LIBFAME_LIBS=`$LIBFAME_CONFIG $libfame_config_args --libs`
    libfame_config_major_version=`$LIBFAME_CONFIG $libfame_config_args --version | \
	   sed -e 's,[[^0-9.]],,g' -e 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\1/'`
    libfame_config_minor_version=`$LIBFAME_CONFIG $libfame_config_args --version | \
	   sed -e 's,[[^0-9.]],,g' -e 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\2/'`
    libfame_config_micro_version=`$LIBFAME_CONFIG $libfame_config_args --version | \
	   sed -e 's,[[^0-9.]],,g' -e 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\3/'`
    if test "x$enable_libfametest" = "xyes" ; then
      ac_save_CFLAGS="$CFLAGS"
      ac_save_LIBS="$LIBS"
      CFLAGS="$CFLAGS $LIBFAME_CFLAGS"
      LIBS="$LIBFAME_LIBS $LIBS"
dnl
dnl Now check if the installed LIBFAME is sufficiently new. (Also sanity
dnl checks the results of libfame-config to some extent
dnl
      rm -f conf.libfametest
      AC_TRY_RUN([
#include <fame.h>
#include <stdio.h>
#include <stdlib.h>

int 
main ()
{
  int major, minor, micro;
  char *tmp_version;

  system ("touch conf.libfametest");

  /* HP/UX 9 (%@#!) writes to sscanf strings */
  tmp_version = strdup("$min_libfame_version");
  if (sscanf(tmp_version, "%d.%d.%d", &major, &minor, &micro) != 3) {
     printf("%s, bad version string\n", "$min_libfame_version");
     exit(1);
   }

  if ((libfame_major_version != $libfame_config_major_version) ||
      (libfame_minor_version != $libfame_config_minor_version) ||
      (libfame_micro_version != $libfame_config_micro_version))
    {
      printf("\n*** 'libfame-config --version' returned %d.%d.%d, but Libfame (%d.%d.%d)\n", 
             $libfame_config_major_version, $libfame_config_minor_version, $libfame_config_micro_version,
             libfame_major_version, libfame_minor_version, libfame_micro_version);
      printf ("*** was found! If libfame-config was correct, then it is best\n");
      printf ("*** to remove the old version of libfame. 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 libfame-config was wrong, set the environment variable LIBFAME_CONFIG\n");
      printf("*** to point to the correct copy of libfame-config, and remove the file config.cache\n");
      printf("*** before re-running configure\n");
    } 
#if defined (LIBFAME_MAJOR_VERSION) && defined (LIBFAME_MINOR_VERSION) && defined (LIBFAME_MICRO_VERSION)
  else if ((libfame_major_version != LIBFAME_MAJOR_VERSION) ||
	   (libfame_minor_version != LIBFAME_MINOR_VERSION) ||
           (libfame_micro_version != LIBFAME_MICRO_VERSION))
    {
      printf("*** libfame header files (version %d.%d.%d) do not match\n",
	     LIBFAME_MAJOR_VERSION, LIBFAME_MINOR_VERSION, LIBFAME_MICRO_VERSION);
      printf("*** library (version %d.%d.%d)\n",
	     libfame_major_version, libfame_minor_version, libfame_micro_version);
    }
#endif /* defined (LIBFAME_MAJOR_VERSION) ... */
  else
    {
      if ((libfame_major_version > major) ||
        ((libfame_major_version == major) && (libfame_minor_version > minor)) ||
        ((libfame_major_version == major) && (libfame_minor_version == minor) && (libfame_micro_version >= micro)))
      {
        return 0;
       }
     else
      {
        printf("\n*** An old version of libfame (%d.%d.%d) was found.\n",
               libfame_major_version, libfame_minor_version, libfame_micro_version);
        printf("*** You need a version of libfame newer than %d.%d.%d. The latest version of\n",
	       major, minor, micro);
        printf("*** libfame is always available from http://www-eleves.enst-bretagne.fr/~chappeli/fame\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 libfame-config shell script is\n");
        printf("*** being found. The easiest way to fix this is to remove the old version\n");
        printf("*** of libfame, but you can also set the LIBFAME_CONFIG environment to point to the\n");
        printf("*** correct copy of libfame-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_libfame=yes,[echo $ac_n "cross compiling; assumed OK... $ac_c"])
       CFLAGS="$ac_save_CFLAGS"
       LIBS="$ac_save_LIBS"
     fi
  fi
  if test "x$no_libfame" = x ; then
     AC_MSG_RESULT(yes)
     ifelse([$2], , :, [$2])     
  else
     AC_MSG_RESULT(no)
     if test "$LIBFAME_CONFIG" = "no" ; then
       echo "*** The libfame-config script installed by libfame could not be found"
       echo "*** If libfame was installed in PREFIX, make sure PREFIX/bin is in"
       echo "*** your path, or set the LIBFAME_CONFIG environment variable to the"
       echo "*** full path to libfame-config."
     else
       if test -f conf.libfametest ; then
        :
       else
          echo "*** Could not run libfame test program, checking why..."
          CFLAGS="$CFLAGS $LIBFAME_CFLAGS"
          LIBS="$LIBS $LIBFAME_LIBS"
          AC_TRY_LINK([
#include <fame.h>
#include <stdio.h>
],      [ return ((libfame_major_version) || (libfame_minor_version) || (libfame_micro_version)); ],
        [ echo "*** The test program compiled, but did not run. This usually means"
          echo "*** that the run-time linker is not finding libfame or finding the wrong"
          echo "*** version of LIBFAME. If it is not finding libfame, 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 libfame was incorrectly installed"
          echo "*** or that you have moved libfame since it was installed. In the latter case, you"
          echo "*** may want to edit the libfame-config script: $LIBFAME_CONFIG" ])
          CFLAGS="$ac_save_CFLAGS"
          LIBS="$ac_save_LIBS"
       fi
     fi
     LIBFAME_CFLAGS=""
     LIBFAME_LIBS=""
     ifelse([$3], , :, [$3])
  fi

  AC_SUBST(LIBFAME_CFLAGS)
  AC_SUBST(LIBFAME_LIBS)
  rm -f conf.libfametest
])