From 6e5dafe039cae769a7c1c25ccf98c17cb4a25a4c Mon Sep 17 00:00:00 2001
From: Stephen Heumann <stephenheumann@gmail.com>
Date: Sun, 14 May 2017 20:36:44 -0500
Subject: [PATCH] Add include of <unistd.h>.

This is needed for the declarations of _execve() and fork2().
---
 dmake/unix/gno/extern.h | 1 +
 1 file changed, 1 insertion(+)

diff --git a/dmake/unix/gno/extern.h b/dmake/unix/gno/extern.h
index 3d0090f..ac09f62 100644
--- a/dmake/unix/gno/extern.h
+++ b/dmake/unix/gno/extern.h
@@ -73,6 +73,7 @@
 # if !defined(__GNUC__)
 #  include <gno/gno.h>
 # endif
+# include <unistd.h>
 #endif
 #include "itypes.h"
 #include "stdmacs.h"