diff -durpN m4-1.4.14/lib/spawn.in.h m4-1.4.14-ucfix/lib/spawn.in.h
--- m4-1.4.14/lib/spawn.in.h    2010-01-28 05:04:07.000000000 -0800
+++ m4-1.4.14-ucfix/lib/spawn.in.h      2010-02-27 23:10:41.000000000 -0800
@@ -31,7 +31,7 @@
 
 /* Get definitions of 'struct sched_param' and 'sigset_t'.
    But avoid namespace pollution on glibc systems.  */
-#ifndef __GLIBC__
+#if 1
 # include <sched.h>
 # include <signal.h>
 #endif