From b7490c970266d75ed8df4a104796871a94e002db Mon Sep 17 00:00:00 2001
From: Gabriel Ebner <gebner@gebner.org>
Date: Sun, 12 Nov 2017 09:30:20 +0100
Subject: [PATCH] racket: fix build by using gcc7

See #31017.
---
 pkgs/top-level/all-packages.nix | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index 34c24cc9dc98..0a5bd2095b8f 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -6692,7 +6692,12 @@ with pkgs;
 
   pyrex096 = callPackage ../development/interpreters/pyrex/0.9.6.nix { };
 
-  racket = callPackage ../development/interpreters/racket { };
+  racket = callPackage ../development/interpreters/racket {
+    # racket 6.11 doesn't build with gcc6 + recent glibc:
+    # https://github.com/racket/racket/pull/1886
+    # https://github.com/NixOS/nixpkgs/pull/31017#issuecomment-343574769
+    stdenv = overrideCC stdenv gcc7;
+  };
 
   rakudo = callPackage ../development/interpreters/rakudo {
     inherit (darwin.apple_sdk.frameworks) CoreServices ApplicationServices;