diff -Nur allegro-4.0.3-orig/configure allegro-4.0.3/configure
--- allegro-4.0.3-orig/configure	2003-04-19 09:13:09.000000000 +0200
+++ allegro-4.0.3/configure	2004-11-10 17:07:13.172543144 +0100
@@ -4470,7 +4470,7 @@
 #ifdef __cplusplus
 extern "C" { void *malloc(unsigned); }
 #else
-char *malloc();
+/* char *malloc(); */
 #endif
 
 int