From 031492cbfe2f2768c9b271c194c74e3f75e7316c Mon Sep 17 00:00:00 2001
From: Daiderd Jordan <daiderd@gmail.com>
Date: Mon, 19 Mar 2018 23:55:59 +0100
Subject: [PATCH] kore: fix clang build

/cc ZHF #36454
---
 pkgs/development/web/kore/default.nix | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/pkgs/development/web/kore/default.nix b/pkgs/development/web/kore/default.nix
index 3da932b6b17..b0dc2ba041a 100644
--- a/pkgs/development/web/kore/default.nix
+++ b/pkgs/development/web/kore/default.nix
@@ -20,8 +20,9 @@ stdenv.mkDerivation rec {
 
   makeFlags = [ "PREFIX=$(out)" ];
 
-  # added to fix build w/gcc7
-  NIX_CFLAGS_COMPILE = stdenv.lib.optionals stdenv.isLinux [ "-Wno-error=pointer-compare" ];
+  # added to fix build w/gcc7 and clang5
+  NIX_CFLAGS_COMPILE = stdenv.lib.optionalString stdenv.cc.isGNU "-Wno-error=pointer-compare"
+    + stdenv.lib.optionalString stdenv.cc.isClang " -Wno-error=unknown-warning-option";
 
   enableParallelBuilding = true;