cc-wrapper, clang: libstdcxxHook should a propagated build input

Lumping it in with the target platform libraries was incorrect, and
caused eval failures when gcc couldn't be built for the target platform.

pkgs/build-support/cc-wrapper/default.nix

@@ -10,7 +10,7 @@
 , cc ? null, libc ? null, bintools, coreutils ? null, shell ? stdenvNoCC.shell
 , nativeTools, noLibc ? false, nativeLibc, nativePrefix ? ""
 , propagateDoc ? cc != null && cc ? man
-, extraPackages ? [], extraBuildCommands ? ""
+, extraTools ? [], extraPackages ? [], extraBuildCommands ? ""
 , isGNU ? false, isClang ? cc.isClang or false, gnugrep ? null
 , buildPackages ? {}
 , libcxx ? null
@@ -212,7 +212,7 @@ stdenv.mkDerivation {
     '';
 
   strictDeps = true;
-  propagatedBuildInputs = [ bintools ];
+  propagatedBuildInputs = [ bintools ] ++ extraTools;
   depsTargetTargetPropagated = extraPackages;
 
   wrapperName = "CC_WRAPPER";

pkgs/development/compilers/llvm/5/default.nix

@@ -50,8 +50,10 @@ let
 
     libstdcxxClang = wrapCCWith rec {
       cc = tools.clang-unwrapped;
-      extraPackages = [
+      extraTools = [
         libstdcxxHook
+      ];
+      extraPackages = [
         targetLlvmLibraries.compiler-rt
       ];
       extraBuildCommands = mkExtraBuildCommands cc;

pkgs/development/compilers/llvm/6/default.nix

@@ -50,8 +50,10 @@ let
 
     libstdcxxClang = wrapCCWith rec {
       cc = tools.clang-unwrapped;
-      extraPackages = [
+      extraTools = [
         libstdcxxHook
+      ];
+      extraPackages = [
         targetLlvmLibraries.compiler-rt
       ];
       extraBuildCommands = mkExtraBuildCommands cc;

pkgs/development/compilers/llvm/7/default.nix

@@ -57,8 +57,10 @@ let
 
     libstdcxxClang = wrapCCWith rec {
       cc = tools.clang-unwrapped;
-      extraPackages = [
+      extraTools = [
         libstdcxxHook
+      ];
+      extraPackages = [
         targetLlvmLibraries.compiler-rt
       ];
       extraBuildCommands = mkExtraBuildCommands cc;

pkgs/development/compilers/llvm/8/default.nix

@@ -57,8 +57,10 @@ let
 
     libstdcxxClang = wrapCCWith rec {
       cc = tools.clang-unwrapped;
-      extraPackages = [
+      extraTools = [
         libstdcxxHook
+      ];
+      extraPackages = [
         targetLlvmLibraries.compiler-rt
       ];
       extraBuildCommands = mkExtraBuildCommands cc;

pkgs/development/compilers/llvm/9/default.nix

@@ -57,8 +57,10 @@ let
 
     libstdcxxClang = wrapCCWith rec {
       cc = tools.clang-unwrapped;
-      extraPackages = [
+      extraTools = [
         libstdcxxHook
+      ];
+      extraPackages = [
         targetLlvmLibraries.compiler-rt
       ];
       extraBuildCommands = mkExtraBuildCommands cc;