Index: chipmunk/include/chipmunk/chipmunk.h
--- chipmunk/include/chipmunk/chipmunk.h.orig
+++ chipmunk/include/chipmunk/chipmunk.h
@@ -33,7 +33,6 @@
 	// For alloca().
 	#include <malloc.h>
 #else
-	#include <alloca.h>
 #endif
 
 #ifdef __cplusplus
