From 6fff0af6c374a3bb9f93b26aa202ad5f6f60cd7e Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Vladim=C3=ADr=20=C4=8Cun=C3=A1t?= <vcunat@gmail.com>
Date: Sun, 16 Nov 2014 09:19:11 +0100
Subject: [PATCH] ccache: fix evaluation

---
 pkgs/development/tools/misc/ccache/default.nix | 7 +++----
 1 file changed, 3 insertions(+), 4 deletions(-)

diff --git a/pkgs/development/tools/misc/ccache/default.nix b/pkgs/development/tools/misc/ccache/default.nix
index 066087fcd13b..cb3c78c28b49 100644
--- a/pkgs/development/tools/misc/ccache/default.nix
+++ b/pkgs/development/tools/misc/ccache/default.nix
@@ -16,11 +16,10 @@ stdenv.mkDerivation {
   passthru = {
     # A derivation that provides gcc and g++ commands, but that
     # will end up calling ccache for the given cacheDir
-    links = extraConfig : (runCommand "ccache-links"
-        { inherit (gcc) langC langCC; }
+    links = extraConfig : (runCommand "ccache-links" { }
       ''
         mkdir -p $out/bin
-        if [ $langC -eq 1 ]; then
+        if [ -x "${gcc.gcc}/bin/gcc" ]; then
           cat > $out/bin/gcc << EOF
           #!/bin/sh
           ${extraConfig}
@@ -28,7 +27,7 @@ stdenv.mkDerivation {
         EOF
           chmod +x $out/bin/gcc
         fi
-        if [ $langCC -eq 1 ]; then
+        if [ -x "${gcc.gcc}/bin/g++" ]; then
           cat > $out/bin/g++ << EOF
           #!/bin/sh
           ${extraConfig}