From 9c0319d211a95af10388036f3a00be5d9581e627 Mon Sep 17 00:00:00 2001
From: Araq <rumpf_a@web.de>
Date: Tue, 3 Jan 2017 14:24:23 +0100
Subject: [PATCH] fixes #5171

---
 compiler/cgen.nim | 1 +
 1 file changed, 1 insertion(+)

diff --git a/compiler/cgen.nim b/compiler/cgen.nim
index 2fcc80eda..eca3c6db2 100644
--- a/compiler/cgen.nim
+++ b/compiler/cgen.nim
@@ -589,6 +589,7 @@ proc generateHeaders(m: BModule) =
     else:
       addf(m.s[cfsHeaders], "#include $1$N", [rope(it.data)])
     it = PStrEntry(it.next)
+  add(m.s[cfsHeaders], "#undef linux" & tnl)
 
 proc initFrame(p: BProc, procname, filename: Rope): Rope =
   discard cgsym(p.module, "nimFrame")