From 0367a6235c4ab960ed65a3e80a2a5eab43a5ec71 Mon Sep 17 00:00:00 2001
From: xeji <xeji@cat3.de>
Date: Sun, 11 Mar 2018 18:42:24 +0100
Subject: [PATCH] vxl: fix build by using gcc6

upstream code incompatible w/gcc7. no newer version available.
---
 pkgs/top-level/all-packages.nix | 1 +
 1 file changed, 1 insertion(+)

diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index 73572ba2afd..7660c3afc55 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -11667,6 +11667,7 @@ with pkgs;
 
   vxl = callPackage ../development/libraries/vxl {
     libpng = libpng12;
+    stdenv = overrideCC stdenv gcc6; # upstream code incompatible with gcc7
   };
 
   wavpack = callPackage ../development/libraries/wavpack {