--- pkg-config-0.19/glib-1.2.8/gstrfuncs.c.64bit-fixes	2005-07-15 03:32:28.000000000 -0400
+++ pkg-config-0.19/glib-1.2.8/gstrfuncs.c	2005-09-02 02:31:32.000000000 -0400
@@ -32,6 +32,7 @@
 #include <config.h>
 #endif
 
+#define _GNU_SOURCE		/* For strsignal(), through <string.h> */
 #include <stdarg.h>
 #include <stdio.h>
 #include <stdlib.h>