Index: lib/IlmCtl/CtlTypeStorage.cpp
--- lib/IlmCtl/CtlTypeStorage.cpp.orig
+++ lib/IlmCtl/CtlTypeStorage.cpp
@@ -67,7 +67,7 @@
 #ifdef _WIN32
 	#include <malloc.h>
 #else
-	#include <alloca.h>
+	#include <stdlib.h>
 #endif
 #include <stdio.h>
 #include <stdlib.h>
