--- lcoco.c.orig	2009-10-11 03:57:13.000000000 +0900
+++ lcoco.c	2009-10-11 03:57:47.000000000 +0900
@@ -331,7 +331,7 @@
 /* Else fallback to ucontext. Slower, because it saves/restores signals. */
 #else /* !defined(COCO_MAKECTX) */
 
-#include <ucontext.h>
+#include <sys/ucontext.h>
 
 #define COCO_CTX		ucontext_t