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ezstream/m4/vorbis.m4
oddsock 35f54caeba Initial revision
git-svn-id: https://svn.xiph.org/trunk/ezstream@5800 0101bb08-14d6-0310-b084-bc0e0c8e3800
2004-01-30 17:19:45 +00:00

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# Configure paths for libvorbis
# Jack Moffitt <jack@icecast.org> 10-21-2000
# updated by Karl Heyes 31-Mar-2003
# Shamelessly stolen from Owen Taylor and Manish Singh
dnl XIPH_PATH_VORBIS([ACTION-IF-FOUND [, ACTION-IF-NOT-FOUND]])
dnl Test for libvorbis, and define VORBIS_CFLAGS VORBIS_LIBS
dnl VORBIS_VORBISENC_LIBS VORBIS_VORBISFILE_LIBS VORBIS_LDFLAGS
dnl
AC_DEFUN([XIPH_PATH_VORBIS],
[
XIPH_PATH_OGG([$1],[$2])
dnl Get the cflags and libraries for vorbis
dnl
AC_ARG_VAR([VORBIS_PREFIX],[path to vorbis installation])
AC_ARG_WITH(vorbis,
AC_HELP_STRING([--with-vorbis=PREFIX],
[Prefix where libvorbis is installed (optional)]),
vorbis_prefix="$withval",
vorbis_prefix="$VORBIS_PREFIX"
)
if test "x$vorbis_prefix" = "x"; then
if test "x$prefix" = "xNONE"; then
vorbis_prefix="/usr/local"
else
vorbis_prefix="$prefix"
fi
fi
VORBIS_CFLAGS="$OGG_CFLAGS"
VORBIS_LDFLAGS="$OGG_LDFLAGS"
if test "x$vorbis_prefix" != "x$ogg_prefix"; then
XIPH_GCC_WARNING(-I"$vorbis_prefix/include",,
[VORBIS_CFLAGS="$VORBIS_CFLAGS -I$vorbis_prefix/include"
VORBIS_LDFLAGS="-L$vorbis_prefix/lib $VORBIS_LDFLAGS"
])
fi
VORBIS_LIBS="-lvorbis"
VORBISFILE_LIBS="-lvorbisfile"
VORBISENC_LIBS="-lvorbisenc"
ac_save_LIBS="$LIBS"
ac_save_LDFLAGS="$LDFLAGS"
LDFLAGS="$LDFLAGS $VORBIS_LDFLAGS"
LIBS="$LIBS $VORBIS_LIBS"
AC_MSG_CHECKING([for libvorbis])
AC_TRY_LINK_FUNC(vorbis_info_init, [AC_MSG_RESULT([ok])],
[LIBS="$LIBS $OGG_LIBS -lm"
AC_TRY_LINK_FUNC(vorbis_info_init,
[AC_MSG_RESULT([found, adding extra libs])
VORBIS_LIBS="$VORBIS_LIBS $OGG_LIBS -lm"],
[ifelse([$2], , AC_MSG_ERROR([Unable to link to libvorbis]), [$2])
])
])
LIBS="$ac_save_LIBS"
LDFLAGS="$ac_save_LDFLAGS"
#
# Now check if the installed Vorbis is sufficiently new.
#
ac_save_CFLAGS="$CFLAGS"
ac_save_LIBS="$LIBS"
CFLAGS="$CFLAGS $VORBIS_CFLAGS"
LIBS="$LIBS $VORBIS_LDFLAGS $VORBIS_LIBS"
AC_CHECK_TYPES([struct ovectl_ratemanage_arg],[vorbis_ok=yes],
[ifelse([$2], ,[AC_MSG_ERROR([libvorbis needs updating])], [$2])], [
#include <vorbis/codec.h>
#include <vorbis/vorbisenc.h>
])
CFLAGS="$ac_save_CFLAGS"
LIBS="$ac_save_LIBS"
AC_SUBST(VORBIS_CFLAGS)
AC_SUBST(VORBIS_LDFLAGS)
AC_SUBST(VORBIS_LIBS)
AC_SUBST(VORBISFILE_LIBS)
AC_SUBST(VORBISENC_LIBS)
])