$OpenBSD$
--- src/posix/sdl/crashcatcher.c.orig	Sun Jan 31 00:33:52 2016
+++ src/posix/sdl/crashcatcher.c	Sun Jan 31 00:34:49 2016
@@ -5,7 +5,9 @@
 #include <sys/stat.h>
 #include <sys/wait.h>
 #include <sys/param.h>
+#if !defined(__OpenBSD__)
 #include <sys/ucontext.h>
+#endif
 #include <string.h>
 #include <errno.h>
 #include <limits.h>