# 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],

[dnl

AC_REQUIRE([XIPH_PATH_OGG])

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$vorbis_prefix" = "x" -o "x$vorbis_prefix" = "xyes"; 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"

xt_save_LIBS="$LIBS"

xt_save_LDFLAGS="$LDFLAGS"

xt_save_CPPFLAGS="$CPPFLAGS"

CPPFLAGS="$CPPFLAGS $VORBIS_CFLAGS"

LDFLAGS="$LDFLAGS $VORBIS_LDFLAGS"

LIBS="$LIBS $VORBIS_LIBS"

xt_lib_vorbis="not found"

AC_MSG_CHECKING([for libvorbis])

AC_TRY_LINK_FUNC(ogg_stream_init, [xt_lib_vorbis=ok],

        [LIBS="$LIBS $OGG_LIBS -lm"

        AC_TRY_LINK_FUNC(vorbis_info_init,

            [xt_lib_vorbis=ok

            VORBIS_LIBS="$VORBIS_LIBS $OGG_LIBS -lm"],

            )

        ])

AC_MSG_RESULT([$xt_lib_vorbis])

if test "x$xt_lib_vorbis" = "xok"; then

#

# Now check if the installed Vorbis is sufficiently new.

#

AC_CHECK_TYPES([struct ovectl_ratemanage_arg],,

        [xt_lib_vorbis="old version found"], [

#include <vorbis/codec.h>

#include <vorbis/vorbisenc.h>

        ])

fi

CPPFLAGS="$xt_save_CPPFLAGS"

LIBS="$xt_save_LIBS"

LDFLAGS="$xt_save_LDFLAGS"

if test "x$xt_lib_vorbis" = "xok"; then

    ifelse([$1], ,[:], [$1])

else

    VORBIS_CFLAGS=""

    VORBIS_LDFLAGS=""

    VORBIS_LIBS=""

    VORBISFILE_LIBS=""

    VORBISENC_LIBS=""

    ifelse([$2], ,, [$2])

fi

AC_SUBST(VORBIS_CFLAGS)

AC_SUBST(VORBIS_LDFLAGS)

AC_SUBST(VORBIS_LIBS)

AC_SUBST(VORBISFILE_LIBS)

AC_SUBST(VORBISENC_LIBS)

])