From 4d26c18306d26346937cf019d06c4363382d5bf4 Mon Sep 17 00:00:00 2001
From: David Wood <david@davidtw.co>
Date: Wed, 27 Nov 2019 19:15:56 +0000
Subject: [PATCH] cc-wrapper: expose wrapper script as overridable attribute
 (#65813)

---
 pkgs/build-support/cc-wrapper/default.nix | 18 ++++++++++--------
 1 file changed, 10 insertions(+), 8 deletions(-)

diff --git a/pkgs/build-support/cc-wrapper/default.nix b/pkgs/build-support/cc-wrapper/default.nix
index 2c35fdb1a3c6..757985e07161 100644
--- a/pkgs/build-support/cc-wrapper/default.nix
+++ b/pkgs/build-support/cc-wrapper/default.nix
@@ -132,6 +132,8 @@ stdenv.mkDerivation {
     src=$PWD
   '';
 
+  wrapper = ./cc-wrapper.sh;
+
   installPhase =
     ''
       mkdir -p $out/bin $out/nix-support
@@ -171,42 +173,42 @@ stdenv.mkDerivation {
       export default_cxx_stdlib_compile="${default_cxx_stdlib_compile}"
 
       if [ -e $ccPath/${targetPrefix}gcc ]; then
-        wrap ${targetPrefix}gcc ${./cc-wrapper.sh} $ccPath/${targetPrefix}gcc
+        wrap ${targetPrefix}gcc $wrapper $ccPath/${targetPrefix}gcc
         ln -s ${targetPrefix}gcc $out/bin/${targetPrefix}cc
         export named_cc=${targetPrefix}gcc
         export named_cxx=${targetPrefix}g++
       elif [ -e $ccPath/clang ]; then
-        wrap ${targetPrefix}clang ${./cc-wrapper.sh} $ccPath/clang
+        wrap ${targetPrefix}clang $wrapper $ccPath/clang
         ln -s ${targetPrefix}clang $out/bin/${targetPrefix}cc
         export named_cc=${targetPrefix}clang
         export named_cxx=${targetPrefix}clang++
       fi
 
       if [ -e $ccPath/${targetPrefix}g++ ]; then
-        wrap ${targetPrefix}g++ ${./cc-wrapper.sh} $ccPath/${targetPrefix}g++
+        wrap ${targetPrefix}g++ $wrapper $ccPath/${targetPrefix}g++
         ln -s ${targetPrefix}g++ $out/bin/${targetPrefix}c++
       elif [ -e $ccPath/clang++ ]; then
-        wrap ${targetPrefix}clang++ ${./cc-wrapper.sh} $ccPath/clang++
+        wrap ${targetPrefix}clang++ $wrapper $ccPath/clang++
         ln -s ${targetPrefix}clang++ $out/bin/${targetPrefix}c++
       fi
 
       if [ -e $ccPath/cpp ]; then
-        wrap ${targetPrefix}cpp ${./cc-wrapper.sh} $ccPath/cpp
+        wrap ${targetPrefix}cpp $wrapper $ccPath/cpp
       fi
     ''
 
     + optionalString cc.langFortran or false ''
-      wrap ${targetPrefix}gfortran ${./cc-wrapper.sh} $ccPath/${targetPrefix}gfortran
+      wrap ${targetPrefix}gfortran $wrapper $ccPath/${targetPrefix}gfortran
       ln -sv ${targetPrefix}gfortran $out/bin/${targetPrefix}g77
       ln -sv ${targetPrefix}gfortran $out/bin/${targetPrefix}f77
     ''
 
     + optionalString cc.langJava or false ''
-      wrap ${targetPrefix}gcj ${./cc-wrapper.sh} $ccPath/${targetPrefix}gcj
+      wrap ${targetPrefix}gcj $wrapper $ccPath/${targetPrefix}gcj
     ''
 
     + optionalString cc.langGo or false ''
-      wrap ${targetPrefix}gccgo ${./cc-wrapper.sh} $ccPath/${targetPrefix}gccgo
+      wrap ${targetPrefix}gccgo $wrapper $ccPath/${targetPrefix}gccgo
     '';
 
   strictDeps = true;