From ddc155af64c2e7762c0efa33f8cc9fe9150f5d21 Mon Sep 17 00:00:00 2001
From: Araq <rumpf_a@web.de>
Date: Tue, 27 Aug 2019 10:20:12 +0200
Subject: [PATCH] fixes #12040

---
 config/config.nims | 1 +
 1 file changed, 1 insertion(+)

diff --git a/config/config.nims b/config/config.nims
index 03daa59702..24c7901681 100644
--- a/config/config.nims
+++ b/config/config.nims
@@ -2,3 +2,4 @@
 
 when defined(nimHasCppDefine):
   cppDefine "errno"
+  cppDefine "unix"