From ad507954fa0401b12131fe7f0461791fdd0e688e Mon Sep 17 00:00:00 2001
From: Gabriel Ebner <gebner@gebner.org>
Date: Fri, 6 Jan 2017 09:43:52 +0100
Subject: [PATCH] emscriptenfastcomp-wrapped: disable hardening

The hardening flags break webassembly generation, at least in some
cases.
---
 pkgs/top-level/all-packages.nix | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index 2f07b69fb81b..86f5abc7fb4e 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -1546,7 +1546,10 @@ in
   emscripten = callPackage ../development/compilers/emscripten { };
 
   emscriptenfastcomp-unwrapped = callPackage ../development/compilers/emscripten-fastcomp { };
-  emscriptenfastcomp-wrapped = wrapCC emscriptenfastcomp-unwrapped;
+  emscriptenfastcomp-wrapped = wrapCCWith ccWrapperFun stdenv.cc.libc ''
+    # hardening flags break WASM support
+    cat > $out/nix-support/add-hardening.sh
+  '' emscriptenfastcomp-unwrapped;
   emscriptenfastcomp = symlinkJoin {
     name = "emscriptenfastcomp";
     paths = [ emscriptenfastcomp-wrapped emscriptenfastcomp-unwrapped ];