From e06726ba15d424f762c6fcc63e77270f3bcab7ba Mon Sep 17 00:00:00 2001
From: Robin Gloster <mail@glob.in>
Date: Tue, 9 Feb 2016 01:23:58 +0000
Subject: [PATCH] rcs: use std=gnu99 to compile with gcc5

---
 pkgs/applications/version-management/rcs/default.nix | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/pkgs/applications/version-management/rcs/default.nix b/pkgs/applications/version-management/rcs/default.nix
index a829af8aa23..3e66f85ff73 100644
--- a/pkgs/applications/version-management/rcs/default.nix
+++ b/pkgs/applications/version-management/rcs/default.nix
@@ -12,7 +12,7 @@ stdenv.mkDerivation rec {
 
   doCheck = true;
 
-  NIX_CFLAGS_COMPILE = if stdenv.isDarwin then "-std=gnu99" else null;
+  NIX_CFLAGS_COMPILE = "-std=gnu99";
 
   meta = {
     homepage = http://www.gnu.org/software/rcs/;