--- lib/IlmCtl/CtlExc.cpp.orig	Sun Aug  7 21:04:25 2016
+++ lib/IlmCtl/CtlExc.cpp	Sun Aug  7 21:04:48 2016
@@ -55,7 +55,7 @@
 #include <CtlExc.h>
 #include <stdarg.h>
 #include <stdio.h>
-#include <alloca.h>
+#include <stdlib.h>
 #include <string.h>
 
 namespace Ctl {