acinclude.m4

xmms-1.2.10.tar.gz学习使用的就下吧

sidplay_libdirs="$ac_sidplay_library /usr/lib /usr/local/lib /usr/lib/sidplay /usr/local/lib/sidplay"
AC_FIND_FILE(libsidplay.so libsidplay.so.1 libsidplay.so.1.36 libsidplay.so.1.37,$sidplay_libdirs,sidplay_foundlibdir)
ac_sidplay_library=$sidplay_foundlibdir

if test "$ac_sidplay_cflags" = NO || test "$ac_sidplay_library" = NO; then
  ac_cv_have_sidplay="have_sidplay=no"
  ac_sidplay_notfound=""
  if test "$ac_sidplay_cflags" = NO; then
    if test "$ac_sidplay_library" = NO; then
      ac_sidplay_notfound="(headers and library)";
    else
      ac_sidplay_notfound="(headers)";
    fi
  else
    ac_sidplay_notfound="(library)";
  fi
  eval "$ac_cv_have_sidplay"
  AC_MSG_RESULT([$have_sidplay])
else
  have_sidplay=yes
fi

])  dnl AC_CACHE_VAL(ac_cv_have_sidplay,
else
  have_sidplay=yes
fi  dnl if (have_to_search)

eval "$ac_cv_have_sidplay"

if test "$have_sidplay" != yes; then
  AC_MSG_RESULT([$have_sidplay]);
else
  ac_cv_have_sidplay="have_sidplay=yes \
    ac_sidplay_cflags=$ac_sidplay_cflags ac_sidplay_library=$ac_sidplay_library"
  AC_MSG_RESULT([library $ac_sidplay_library, headers $ac_sidplay_cflags])
  
  sidplay_library=$ac_sidplay_library
  sidplay_cflags=$ac_sidplay_cflags
  
  SIDPLAY_LIBS="-L$sidplay_library -lsidplay"
  all_libraries="$SIDPLAY_LIBS $all_libraries"
  SIDPLAY_CFLAGS="-I$sidplay_cflags"
  all_includes="$SIDPLAY_CFLAGS $all_includes"
fi

dnl Test compilation.

AC_MSG_CHECKING([whether -lsidplay works])
ac_cxxflags_safe=$CXXFLAGS
ac_ldflags_safe=$LDFLAGS
ac_libs_safe=$LIBS

CXXFLAGS="$CXXFLAGS -I$sidplay_cflags"
LDFLAGS="$LDFLAGS -L$sidplay_library"
LIBS="-lsidplay"

AC_CACHE_VAL(ac_cv_sidplay_works,
[
    AC_TRY_LINK(
	    [#include <sidplay/sidtune.h>],
		[sidTune* myTest;],
		[ac_cv_sidplay_works=yes],
		[ac_cv_sidplay_works=no]
   )
])

CXXFLAGS="$ac_cxxflags_safe"
LDFLAGS="$ac_ldflags_safe"
LIBS="$ac_libs_safe"

AC_MSG_RESULT([$ac_cv_sidplay_works])
if test "$ac_cv_sidplay_works" != yes; then
  have_sidplay=no
fi

dnl

AC_SUBST(SIDPLAY_CFLAGS)
AC_SUBST(SIDPLAY_LIBS)

AC_SUBST(sidplay_library)
AC_SUBST(sidplay_cflags)

])

##--## ogg.m4

# Configure paths for libogg
# Jack Moffitt <[e-mail]> 10-21-2000
# Shamelessly stolen from Owen Taylor and Manish Singh

dnl XIPH_PATH_OGG([ACTION-IF-FOUND [, ACTION-IF-NOT-FOUND]])
dnl Test for libogg, and define OGG_CFLAGS and OGG_LIBS
dnl
AC_DEFUN(XIPH_PATH_OGG,
[dnl 
dnl Get the cflags and libraries
dnl
AC_ARG_WITH(ogg,[  --with-ogg=PFX   Prefix where libogg is installed (optional)], ogg_prefix="$withval", ogg_prefix="")
AC_ARG_WITH(ogg-libraries,[  --with-ogg-libraries=DIR   Directory where libogg library is installed (optional)], ogg_libraries="$withval", ogg_libraries="")
AC_ARG_WITH(ogg-includes,[  --with-ogg-includes=DIR   Directory where libogg header files are installed (optional)], ogg_includes="$withval", ogg_includes="")
AC_ARG_ENABLE(oggtest, [  --disable-oggtest       Do not try to compile and run a test Ogg program],, enable_oggtest=yes)

  if test "x$ogg_libraries" != "x" ; then
    OGG_LIBS="-L$ogg_libraries"
  elif test "x$ogg_prefix" != "x" ; then
    OGG_LIBS="-L$ogg_prefix/lib"
  elif test "x$prefix" != "xNONE" ; then
    OGG_LIBS="-L$prefix/lib"
  fi

  OGG_LIBS="$OGG_LIBS -logg"

  if test "x$ogg_includes" != "x" ; then
    OGG_CFLAGS="-I$ogg_includes"
  elif test "x$ogg_prefix" != "x" ; then
    OGG_CFLAGS="-I$ogg_prefix/include"
  elif test "x$prefix" != "xNONE"; then
    OGG_CFLAGS="-I$prefix/include"
  fi

  AC_MSG_CHECKING(for Ogg)
  no_ogg=""


  if test "x$enable_oggtest" = "xyes" ; then
    ac_save_CFLAGS="$CFLAGS"
    ac_save_LIBS="$LIBS"
    CFLAGS="$CFLAGS $OGG_CFLAGS"
    LIBS="$LIBS $OGG_LIBS"
dnl
dnl Now check if the installed Ogg is sufficiently new.
dnl
      rm -f conf.oggtest
      AC_TRY_RUN([
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <ogg/ogg.h>

int main ()
{
  system("touch conf.oggtest");
  return 0;
}

],, no_ogg=yes,[echo $ac_n "cross compiling; assumed OK... $ac_c"])
       CFLAGS="$ac_save_CFLAGS"
       LIBS="$ac_save_LIBS"
  fi

  if test "x$no_ogg" = "x" ; then
     AC_MSG_RESULT(yes)
     ifelse([$1], , :, [$1])     
  else
     AC_MSG_RESULT(no)
     if test -f conf.oggtest ; then
       :
     else
       echo "*** Could not run Ogg test program, checking why..."
       CFLAGS="$CFLAGS $OGG_CFLAGS"
       LIBS="$LIBS $OGG_LIBS"
       AC_TRY_LINK([
#include <stdio.h>
#include <ogg/ogg.h>
],     [ return 0; ],
       [ echo "*** The test program compiled, but did not run. This usually means"
       echo "*** that the run-time linker is not finding Ogg or finding the wrong"
       echo "*** version of Ogg. If it is not finding Ogg, you'll need to set your"
       echo "*** LD_LIBRARY_PATH environment variable, or edit /etc/ld.so.conf to point"
       echo "*** to the installed location  Also, make sure you have run ldconfig if that"
       echo "*** is required on your system"
       echo "***"
       echo "*** If you have an old version installed, it is best to remove it, although"
       echo "*** you may also be able to get things to work by modifying LD_LIBRARY_PATH"],
       [ echo "*** The test program failed to compile or link. See the file config.log for the"
       echo "*** exact error that occured. This usually means Ogg was incorrectly installed"
       echo "*** or that you have moved Ogg since it was installed." ])
       CFLAGS="$ac_save_CFLAGS"
       LIBS="$ac_save_LIBS"
     fi
     OGG_CFLAGS=""
     OGG_LIBS=""
     ifelse([$2], , :, [$2])
  fi
  AC_SUBST(OGG_CFLAGS)
  AC_SUBST(OGG_LIBS)
  rm -f conf.oggtest
])

##--## vorbis.m4

# Configure paths for libvorbis
# Jack Moffitt <[e-mail]> 10-21-2000
# Shamelessly stolen from Owen Taylor and Manish Singh
# thomasvs added check for vorbis_bitrate_addblock which is new in rc3

dnl XIPH_PATH_VORBIS([ACTION-IF-FOUND [, ACTION-IF-NOT-FOUND]])
dnl Test for libvorbis, and define VORBIS_CFLAGS and VORBIS_LIBS
dnl
AC_DEFUN(XIPH_PATH_VORBIS,
[dnl 
dnl Get the cflags and libraries
dnl
AC_ARG_WITH(vorbis,[  --with-vorbis=PFX   Prefix where libvorbis is installed (optional)], vorbis_prefix="$withval", vorbis_prefix="")
AC_ARG_WITH(vorbis-libraries,[  --with-vorbis-libraries=DIR   Directory where libvorbis library is installed (optional)], vorbis_libraries="$withval", vorbis_libraries="")
AC_ARG_WITH(vorbis-includes,[  --with-vorbis-includes=DIR   Directory where libvorbis header files are installed (optional)], vorbis_includes="$withval", vorbis_includes="")
AC_ARG_ENABLE(vorbistest, [  --disable-vorbistest       Do not try to compile and run a test Vorbis program],, enable_vorbistest=yes)

  if test "x$vorbis_libraries" != "x" ; then
    VORBIS_LIBS="-L$vorbis_libraries"
  elif test "x$vorbis_prefix" != "x" ; then
    VORBIS_LIBS="-L$vorbis_prefix/lib"
  elif test "x$prefix" != "xNONE"; then
    VORBIS_LIBS="-L$prefix/lib"
  fi

  VORBIS_LIBS="$VORBIS_LIBS -lvorbis -lm"
  VORBISFILE_LIBS="-lvorbisfile"
  VORBISENC_LIBS="-lvorbisenc"

  if test "x$vorbis_includes" != "x" ; then
    VORBIS_CFLAGS="-I$vorbis_includes"
  elif test "x$vorbis_prefix" != "x" ; then
    VORBIS_CFLAGS="-I$vorbis_prefix/include"
  elif test "x$prefix" != "xNONE"; then
    VORBIS_CFLAGS="-I$prefix/include"
  fi


  AC_MSG_CHECKING(for Vorbis)
  no_vorbis=""


  if test "x$enable_vorbistest" = "xyes" ; then
    ac_save_CFLAGS="$CFLAGS"
    ac_save_LIBS="$LIBS"
    CFLAGS="$CFLAGS $VORBIS_CFLAGS $OGG_CFLAGS"
    LIBS="$LIBS $VORBIS_LIBS $VORBISENC_LIBS $OGG_LIBS"
dnl
dnl Now check if the installed Vorbis is sufficiently new.
dnl
      rm -f conf.vorbistest
      AC_TRY_RUN([
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <vorbis/codec.h>
#include <vorbis/vorbisenc.h>

int main ()
{
    vorbis_block 	vb;
    vorbis_dsp_state	vd;
    vorbis_info		vi;

    vorbis_info_init (&vi);
    vorbis_encode_init (&vi, 2, 44100, -1, 128000, -1);
    vorbis_analysis_init (&vd, &vi);
    vorbis_block_init (&vd, &vb);
    /* this function was added in 1.0rc3, so this is what we're testing for */
    vorbis_bitrate_addblock (&vb);

    system("touch conf.vorbistest");
    return 0;
}

],, no_vorbis=yes,[echo $ac_n "cross compiling; assumed OK... $ac_c"])
       CFLAGS="$ac_save_CFLAGS"
       LIBS="$ac_save_LIBS"
  fi

  if test "x$no_vorbis" = "x" ; then
     AC_MSG_RESULT(yes)
     ifelse([$1], , :, [$1])     
  else
     AC_MSG_RESULT(no)
     if test -f conf.vorbistest ; then
       :
     else
       echo "*** Could not run Vorbis test program, checking why..."
       CFLAGS="$CFLAGS $VORBIS_CFLAGS"
       LIBS="$LIBS $VORBIS_LIBS $OGG_LIBS"
       AC_TRY_LINK([
#include <stdio.h>
#include <vorbis/codec.h>
],     [ return 0; ],
       [ echo "*** The test program compiled, but did not run. This usually means"
       echo "*** that the run-time linker is not finding Vorbis or finding the wrong"
       echo "*** version of Vorbis. If it is not finding Vorbis, you'll need to set your"
       echo "*** LD_LIBRARY_PATH environment variable, or edit /etc/ld.so.conf to point"
       echo "*** to the installed location  Also, make sure you have run ldconfig if that"
       echo "*** is required on your system"
       echo "***"
       echo "*** If you have an old version installed, it is best to remove it, although"
       echo "*** you may also be able to get things to work by modifying LD_LIBRARY_PATH"],
       [ echo "*** The test program failed to compile or link. See the file config.log for the"
       echo "*** exact error that occured. This usually means Vorbis was incorrectly installed"
       echo "*** or that you have moved Vorbis since it was installed." ])
       CFLAGS="$ac_save_CFLAGS"
       LIBS="$ac_save_LIBS"
     fi
     VORBIS_CFLAGS=""
     VORBIS_LIBS=""
     VORBISFILE_LIBS=""
     VORBISENC_LIBS=""
     ifelse([$2], , :, [$2])
  fi
  AC_SUBST(VORBIS_CFLAGS)
  AC_SUBST(VORBIS_LIBS)
  AC_SUBST(VORBISFILE_LIBS)
  AC_SUBST(VORBISENC_LIBS)
  rm -f conf.vorbistest
])

# Test for libxml by Haavard Kvaalen <[e-mail]>
# Based on GLIB test by Owen Taylor

dnl AM_PATH_LIBXML([MINIMUM-VERSION, [ACTION-IF-FOUND [, ACTION-IF-NOT-FOUND]]])
dnl Test for libxml, and define XML_CFLAGS and XML_LIBS
dnl
AC_DEFUN(AM_PATH_LIBXML,
[dnl 
dnl Get the cflags and libraries from the xml-config script
dnl
AC_ARG_WITH(libxml-prefix, [  --with-libxml-prefix=PFX   Prefix where libxml is installed (optional)],
            libxml_prefix="$withval", libxml_prefix="")
AC_ARG_ENABLE(libxmltest, [  --disable-libxmltest       Do not try to compile and run a test libxml program],
		    , enable_libxmltest=yes)

  if test x$libxml_config_prefix != x ; then
     libxml_config_args="$libxml_config_args --prefix=$libxml_config_prefix"
     if test x${XML_CONFIG+set} != xset ; then
        XML_CONFIG=$libxml_config_prefix/bin/xml-config
     fi
  fi

  AC_PATH_PROG(XML_CONFIG, xml-config, no)
  min_libxml_version=ifelse([$1], ,1.0.0, $1)
  AC_MSG_CHECKING(for libxml - version >= $min_libxml_version)
  no_libxml=""
  if test "$XML_CONFIG" = "no" ; then
    no_libxml=yes
  else
    XML_CFLAGS=`$XML_CONFIG $libxml_config_args --cflags`
    XML_LIBS=`$XML_CONFIG $libxml_config_args --libs`
    libxml_major_version=`$XML_CONFIG $libxml_config_args --version | \
           sed 's/[[^0-9]]*\([[0-9]]*\)\.\([[0-9]]*\)\.\([[0-9]]*\)[[^0-9]]*/\1/'`
    libxml_minor_version=`$XML_CONFIG $libxml_config_args --version | \
           sed 's/[[^0-9]]*\([[0-9]]*\)\.\([[0-9]]*\)\.\([[0-9]]*\)[[^0-9]]*/\2/'`
    libxml_micro_version=`$XML_CONFIG $libxml_config_args --version | \
           sed 's/[[^0-9]]*\([[0-9]]*\)\.\([[0-9]]*\)\.\([[0-9]]*\)[[^0-9]]*/\3/'`
    if test "x$enable_libxmltest" = "xyes" ; then
      ac_save_CFLAGS="$CFLAGS"
      ac_save_LIBS="$LIBS"
      CFLAGS="$CFLAGS $XML_CFLAGS"
      LIBS="$XML_LIBS $LIBS"
dnl
dnl Now check if the installed libxml is sufficiently new. (Also sanity
dnl checks the results of xml-config to some extent
dnl
      rm -f conf.libxmltest
      AC_TRY_RUN([
#include <stdio.h>
#include <stdlib.h>
#include <parser.h>

char*
my_strdup (char *str)
{
  char *new_str;
  
  if (str)
  {
      new_str = malloc((strlen (str) + 1) * sizeof(char));
      strcpy(new_str, str);
  }
  else
    new_str = NULL;
  
  return new_str;
}

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

  system ("touch conf.libxmltest");

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

  if (($libxml_major_version > major) ||
      (($libxml_major_version == major) && ($libxml_minor_version > minor)) ||
      (($libxml_major_version == major) && ($libxml_minor_version == minor) && ($libxml_micro_version >= micro)))
  {
        return 0;
  }
  else
  {
        printf("\n*** An old version of libxml (%d.%d.%d) was found.\n",
               $libxml_major_version, $libxml_minor_version, $libxml_micro_version);
        printf("*** You need a version of libxml newer than %d.%d.%d.\n",
	       major, minor, micro);
        printf("***\n");
        printf("*** If you have already installed a sufficiently new version, this error\n");
        printf("*** probably means that the wrong copy of the xml-config shell script is\n");
        printf("*** being found. The easiest way to fix this is to remove the old version\n");
        printf("*** of libxml, but you can also set the XML_CONFIG environment to point to the\n");