vorbis.m4 2.46 KB
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# Configure paths for libvorbis
# Jack Moffitt <jack@icecast.org> 10-21-2000
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# updated by Karl Heyes 31-Mar-2003
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# Shamelessly stolen from Owen Taylor and Manish Singh

dnl XIPH_PATH_VORBIS([ACTION-IF-FOUND [, ACTION-IF-NOT-FOUND]])
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dnl Test for libvorbis, and define VORBIS_CFLAGS VORBIS_LIBS
dnl VORBIS_VORBISENC_LIBS VORBIS_VORBISFILE_LIBS VORBIS_LDFLAGS
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dnl

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AC_DEFUN([XIPH_PATH_VORBIS],
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[dnl
AC_REQUIRE([XIPH_PATH_OGG])
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dnl Get the cflags and libraries for vorbis
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dnl
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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"
    )
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if test "x$vorbis_prefix" = "x" -o "x$vorbis_prefix" = "xyes"; then
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    if test "x$prefix" = "xNONE"; then
        vorbis_prefix="/usr/local"
    else
        vorbis_prefix="$prefix"
    fi
fi
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VORBIS_CFLAGS="$OGG_CFLAGS"
VORBIS_LDFLAGS="$OGG_LDFLAGS"
if test "x$vorbis_prefix" != "x$ogg_prefix"; then
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    XIPH_GCC_WARNING(-I"$vorbis_prefix/include",,
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            [VORBIS_CFLAGS="$VORBIS_CFLAGS -I$vorbis_prefix/include"
            VORBIS_LDFLAGS="-L$vorbis_prefix/lib $VORBIS_LDFLAGS"
            ])
fi
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VORBIS_LIBS="-lvorbis"
VORBISFILE_LIBS="-lvorbisfile"
VORBISENC_LIBS="-lvorbisenc"
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xt_save_LIBS="$LIBS"
xt_save_LDFLAGS="$LDFLAGS"
xt_save_CPPFLAGS="$CPPFLAGS"
CPPFLAGS="$CPPFLAGS $VORBIS_CFLAGS"
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LDFLAGS="$LDFLAGS $VORBIS_LDFLAGS"
LIBS="$LIBS $VORBIS_LIBS"
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xt_lib_vorbis="not found"
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AC_MSG_CHECKING([for libvorbis])
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AC_TRY_LINK_FUNC(ogg_stream_init, [xt_lib_vorbis=ok],
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        [LIBS="$LIBS $OGG_LIBS -lm"
        AC_TRY_LINK_FUNC(vorbis_info_init,
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            [xt_lib_vorbis=ok
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            VORBIS_LIBS="$VORBIS_LIBS $OGG_LIBS -lm"],
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            )
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        ])
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if test "x$xt_lib_vorbis" = "xok"; then
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#
# Now check if the installed Vorbis is sufficiently new.
#
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AC_COMPILE_IFELSE([AC_LANG_PROGRAM([
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#include <vorbis/codec.h>
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#include <vorbis/vorbisenc.h>
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        ], [
struct ovectl_ratemanage_arg a;
])],,[xt_lib_vorbis="old version found"])
AC_MSG_RESULT([$xt_lib_vorbis])
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fi
CPPFLAGS="$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
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AC_SUBST(VORBIS_CFLAGS)
AC_SUBST(VORBIS_LDFLAGS)
AC_SUBST(VORBIS_LIBS)
AC_SUBST(VORBISFILE_LIBS)
AC_SUBST(VORBISENC_LIBS)
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])