From a5d064826b4c1fae4beda19beadc953aaed8a246 Mon Sep 17 00:00:00 2001
From: Shea Levy <shea@shealevy.com>
Date: Fri, 16 Mar 2018 16:47:24 -0400
Subject: [PATCH] gcc: Try to fix /bin/sh dependency

---
 pkgs/development/compilers/gcc/7/default.nix | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

diff --git a/pkgs/development/compilers/gcc/7/default.nix b/pkgs/development/compilers/gcc/7/default.nix
index 0462231b064e..0b19aa95effe 100644
--- a/pkgs/development/compilers/gcc/7/default.nix
+++ b/pkgs/development/compilers/gcc/7/default.nix
@@ -214,7 +214,12 @@ stdenv.mkDerivation ({
       --replace "-install_name \\\$rpath/\\\$soname" "-install_name $lib/lib/\\\$soname"
   '';
 
-  postPatch =
+  postPatch = ''
+    configureScripts=$(find . -name configure)
+    for configureScript in $configureScripts; do
+      patchShebangs $configureScript
+    done
+  '' + (
     if (hostPlatform.isHurd
         || (libcCross != null                  # e.g., building `gcc.crossDrv'
             && libcCross ? crossConfig
@@ -273,7 +278,7 @@ stdenv.mkDerivation ({
             sed -i gcc/config/linux.h -e '1i#undef LOCAL_INCLUDE_DIR'
         ''
         )
-    else null;
+    else "");
 
   # TODO(@Ericson2314): Make passthru instead. Weird to avoid mass rebuild,
   crossStageStatic = targetPlatform == hostPlatform || crossStageStatic;