diff -ur physfs-1.1.1-orig/physfs_internal.h physfs-1.1.1/physfs_internal.h
--- physfs-1.1.1-orig/physfs_internal.h	2007-04-03 12:16:06.000000000 +0700
+++ physfs-1.1.1/physfs_internal.h	2007-05-06 13:37:18.264755453 +0700
@@ -17,6 +17,7 @@
 #include "physfs.h"
 
 #include <stdlib.h>  /* make sure NULL is defined... */
+#include <alloca.h>
 
 #ifdef HAVE_ASSERT_H
 #include <assert.h>