From a0cb8cfd81fc0d4255b7213c69ae0fde1825d28e Mon Sep 17 00:00:00 2001
From: Robin Gloster <mail@glob.in>
Date: Thu, 1 Mar 2018 11:44:22 +0100
Subject: rubygems.grpc: fix with gcc7

---
 pkgs/development/ruby-modules/gem-config/default.nix | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/pkgs/development/ruby-modules/gem-config/default.nix b/pkgs/development/ruby-modules/gem-config/default.nix
index 8da6355e0016..ac0b2dd07f83 100644
--- a/pkgs/development/ruby-modules/gem-config/default.nix
+++ b/pkgs/development/ruby-modules/gem-config/default.nix
@@ -139,8 +139,9 @@ in
   };
 
   grpc = attrs: {
-  nativeBuildInputs = [ pkgconfig ];
+    nativeBuildInputs = [ pkgconfig ];
     buildInputs = [ openssl ];
+    NIX_CFLAGS_COMPILE = [ "-Wno-error=stringop-overflow" "-Wno-error=implicit-fallthrough" ];
   };
 
   hitimes = attrs: {
-- 
cgit 1.4.1