Commit ea8d80e9 authored by Karl Heyes's avatar Karl Heyes

a test for theora

svn path=/trunk/m4/; revision=5883
parent fa8ceacb
# Configure paths for libtheora
# Karl Heyes 02-Feb-2004
dnl XIPH_PATH_THEORA([ACTION-IF-FOUND [, ACTION-IF-NOT-FOUND]])
dnl Test for libtheora, and define THEORA_CFLAGS THEORA_LIBS
dnl
AC_DEFUN([XIPH_PATH_THEORA],
[
XIPH_PATH_OGG([$1],[$2])
dnl Get the cflags and libraries for theora
dnl
AC_ARG_VAR([THEORA],[path to theora installation])
AC_ARG_WITH(theora,
AC_HELP_STRING([--with-theora=PREFIX],
[Prefix where libtheora is installed (optional)]),
theora_prefix="$withval",
theora_prefix="$THEORA_PREFIX"
)
if test "x$theora_prefix" = "x"; then
if test "x$prefix" = "xNONE"; then
theora_prefix="/usr/local"
else
theora_prefix="$prefix"
fi
fi
THEORA_CFLAGS="$OGG_CFLAGS"
THEORA_LDFLAGS="$OGG_LDFLAGS"
if test "x$theora_prefix" != "x$ogg_prefix"; then
XIPH_GCC_WARNING(-I"$theora_prefix/include",,
[THEORA_CFLAGS="$THEORA_CFLAGS -I$theora_prefix/include"
THEORA_LDFLAGS="-L$theora_prefix/lib $THEORA_LDFLAGS"
])
fi
THEORA_LIBS="-ltheora"
ac_save_LIBS="$LIBS"
ac_save_LDFLAGS="$LDFLAGS"
LDFLAGS="$LDFLAGS $THEORA_LDFLAGS"
LIBS="$LIBS $THEORA_LIBS"
xt_have_theora="yes"
AC_MSG_CHECKING([for libtheora])
AC_TRY_LINK_FUNC(ogg_stream_init, [AC_MSG_RESULT([ok])],
[LIBS="$LIBS $OGG_LIBS"
AC_TRY_LINK_FUNC(ogg_stream_init,
[THEORA_LIBS="$THEORA_LIBS $OGG_LIBS"],
[xt_have_theora="no"])
])
LIBS="$ac_save_LIBS"
LDFLAGS="$ac_save_LDFLAGS"
if test "x$xt_have_theora" = "xyes"
then
AC_MSG_RESULT([ok])
AC_DEFINE([HAVE_THEORA],[1],[Define if Theora support is available])
else
ifelse([$2], , AC_MSG_ERROR([Unable to link to libtheora]), [$2])
THEORA_CFLAGS=""
THEORA_LDFLAGS=""
THEORA_LIBS=""
fi
AC_SUBST(THEORA_CFLAGS)
AC_SUBST(THEORA_LDFLAGS)
AC_SUBST(THEORA_LIBS)
])
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