+AC_SUBST(lame_in_source)
+
+art_in_source='$(art_objects)'
+AC_DEFINE([INTERNAL_LIBART], [1], [use internal libart library])
+
+if test "x$EXTERNAL_LIBART" = "xtrue"; then
+ art_in_source=
+ PKG_CHECK_MODULES([LIBART],[libart-2.0],,[libart_pkgconfig_libart=no])
+ if test "x$libart_pkgconfig_libart" = "xno"; then
+ AC_CHECK_HEADERS([libart_lgpl/libart.h],[
+ AC_CHECK_LIB([art_lgpl_2],[art_new],,[])
+ ],[AC_MSG_ERROR([No libart library found. This library is required.])])
+ else
+ CPPFLAGS="$CPPFLAGS $LIBART_CFLAGS"
+ AC_DEFINE([INTERNAL_LIBART], [0])
+ LIBS="$LIBS $LIBART_LIBS"
+ fi
+fi
+AC_SUBST([art_in_source])