# Configure paths for libspeex
# updated by Karl Heyes 02-Feb-2004

dnl XIPH_PATH_SPEEX([ACTION-IF-FOUND [, ACTION-IF-NOT-FOUND]])
dnl Test for libspeex, and define SPEEX_CFLAGS SPEEX_LIBS
dnl SPEEX_SPEEXENC_LIBS SPEEX_SPEEXFILE_LIBS SPEEX_LDFLAGS
dnl

AC_DEFUN([XIPH_PATH_SPEEX],
[
XIPH_PATH_OGG([$1],[$2])

dnl Get the cflags and libraries for speex
dnl
AC_ARG_VAR([SPEEX],[path to speex installation])
AC_ARG_WITH(speex,
    AC_HELP_STRING([--with-speex=PREFIX],
        [Prefix where libspeex is installed (optional)]),
    speex_prefix="$withval",
    speex_prefix="$SPEEX_PREFIX"
    )
if test "x$speex_prefix" = "x"; then
    if test "x$prefix" = "xNONE"; then
        speex_prefix="/usr/local"
    else
        speex_prefix="$prefix"
    fi
fi

SPEEX_CFLAGS="$OGG_CFLAGS"
SPEEX_LDFLAGS="$OGG_LDFLAGS"
if test "x$speex_prefix" != "x$ogg_prefix"; then
    XIPH_GCC_WARNING(-I"$speex_prefix/include",,
            [SPEEX_CFLAGS="$SPEEX_CFLAGS -I$speex_prefix/include"
            SPEEX_LDFLAGS="-L$speex_prefix/lib $SPEEX_LDFLAGS"
            ])
fi

SPEEX_LIBS="-lspeex"

ac_save_LIBS="$LIBS"
ac_save_LDFLAGS="$LDFLAGS"
LDFLAGS="$LDFLAGS $SPEEX_LDFLAGS"
LIBS="$LIBS $SPEEX_LIBS"
xt_have_speex="yes"
AC_MSG_CHECKING([for libspeex])
AC_TRY_LINK_FUNC(ogg_stream_init, [AC_MSG_RESULT([ok])],
        [LIBS="$LIBS $OGG_LIBS"
        AC_TRY_LINK_FUNC(ogg_stream_init,
            [SPEEX_LIBS="$SPEEX_LIBS $OGG_LIBS"],
            [xt_have_speex="no"])
        ])

LIBS="$ac_save_LIBS"
LDFLAGS="$ac_save_LDFLAGS"

if test "x$xt_have_speex" = "xyes"
then
    AC_MSG_RESULT([ok])
    AC_DEFINE([HAVE_SPEEX],[1],[Define if Speex support is available])
else
    ifelse([$2], , AC_MSG_ERROR([Unable to link to libspeex]), [$2])
    SPEEX_CFLAGS=""
    SPEEX_LDFLAGS=""
    SPEEX_LIBS=""
fi
AC_SUBST(SPEEX_CFLAGS)
AC_SUBST(SPEEX_LDFLAGS)
AC_SUBST(SPEEX_LIBS)
])