+# Ensure that Imlib2 has been built with X support and reset LIBS since AC_CHECK_LIB adds -lImlib2 on success.
+LIBS_SAVED=$LIBS
+AC_CHECK_LIB([Imlib2], [imlib_context_set_display], [],
+ AC_MSG_ERROR([Imlib2 must be built with X support]))
+LIBS=$LIBS_SAVED
+