From 5a2ef9b51366128852ec8affcf6a207e572c0b2b Mon Sep 17 00:00:00 2001
From: John Ericson <John.Ericson@Obsidian.Systems>
Date: Mon, 6 Aug 2018 22:41:56 -0400
Subject: [PATCH] libgcc: Tool env vars no longer need to be made full paths

---
 .../libraries/gcc/libgcc/default.nix          | 31 +++----------------
 1 file changed, 4 insertions(+), 27 deletions(-)

diff --git a/pkgs/development/libraries/gcc/libgcc/default.nix b/pkgs/development/libraries/gcc/libgcc/default.nix
index 0a29ab6927f7..ef605d8702fa 100644
--- a/pkgs/development/libraries/gcc/libgcc/default.nix
+++ b/pkgs/development/libraries/gcc/libgcc/default.nix
@@ -46,22 +46,16 @@ stdenvNoLibs.mkDerivation rec {
     mkdir -p "$buildRoot/gcc"
     cd "$buildRoot/gcc"
     (
-      export AS_FOR_BUILD=${buildPackages.stdenv.cc}/bin/$AS_FOR_BUILD
-      export CC_FOR_BUILD=${buildPackages.stdenv.cc}/bin/$CC_FOR_BUILD
-      export CPP_FOR_BUILD=${buildPackages.stdenv.cc}/bin/$CPP_FOR_BUILD
-      export CXX_FOR_BUILD=${buildPackages.stdenv.cc}/bin/$CXX_FOR_BUILD
-      export LD_FOR_BUILD=${buildPackages.stdenv.cc.bintools}/bin/$LD_FOR_BUILD
-
       export AS=$AS_FOR_BUILD
       export CC=$CC_FOR_BUILD
       export CPP=$CPP_FOR_BUILD
       export CXX=$CXX_FOR_BUILD
       export LD=$LD_FOR_BUILD
 
-      export AS_FOR_TARGET=${stdenvNoLibs.cc}/bin/$AS
-      export CC_FOR_TARGET=${stdenvNoLibs.cc}/bin/$CC
-      export CPP_FOR_TARGET=${stdenvNoLibs.cc}/bin/$CPP
-      export LD_FOR_TARGET=${stdenvNoLibs.cc.bintools}/bin/$LD
+      export AS_FOR_TARGET=$AS
+      export CC_FOR_TARGET=$CC
+      export CPP_FOR_TARGET=$CPP
+      export LD_FOR_TARGET=$LD
 
       export NIX_BUILD_CFLAGS_COMPILE+=' -DGENERATOR_FILE=1'
 
@@ -87,23 +81,6 @@ stdenvNoLibs.mkDerivation rec {
     cd "$buildRoot/gcc/${hostPlatform.config}/libgcc"
     configureScript=$sourceRoot/configure
     chmod +x "$configureScript"
-
-    export AS_FOR_BUILD=${buildPackages.stdenv.cc}/bin/$AS_FOR_BUILD
-    export CC_FOR_BUILD=${buildPackages.stdenv.cc}/bin/$CC_FOR_BUILD
-    export CPP_FOR_BUILD=${buildPackages.stdenv.cc}/bin/$CPP_FOR_BUILD
-    export CXX_FOR_BUILD=${buildPackages.stdenv.cc}/bin/$CXX_FOR_BUILD
-    export LD_FOR_BUILD=${buildPackages.stdenv.cc.bintools}/bin/$LD_FOR_BUILD
-
-    export AS=${stdenvNoLibs.cc}/bin/$AS
-    export CC=${stdenvNoLibs.cc}/bin/$CC
-    export CPP=${stdenvNoLibs.cc}/bin/$CPP
-    export CXX=${stdenvNoLibs.cc}/bin/$CXX
-    export LD=${stdenvNoLibs.cc.bintools}/bin/$LD
-
-    export AS_FOR_TARGET=${stdenvNoLibs.cc}/bin/$AS_FOR_TARGET
-    export CC_FOR_TARGET=${stdenvNoLibs.cc}/bin/$CC_FOR_TARGET
-    export CPP_FOR_TARGET=${stdenvNoLibs.cc}/bin/$CPP_FOR_TARGET
-    export LD_FOR_TARGET=${stdenvNoLibs.cc.bintools}/bin/$LD_FOR_TARGET
   '';
 
   gccConfigureFlags = [