From 44c46905b9478faf86e263b591077c18ad4b9b34 Mon Sep 17 00:00:00 2001
From: Ryan Burns <rtburns@protonmail.com>
Date: Tue, 26 Jan 2021 02:32:59 -0800
Subject: [PATCH] llvmPackages_rocm.clang: add isClang and llvm passthru

Matches generic clang compilers, and fixes isClang inspection, which
071030840252273acf05c9902458d4db5bdd71ab depends on for the
`--gcc-toolchain` flag to be set up properly.

Fixes rocm-comgr
---
 pkgs/development/compilers/llvm/rocm/clang.nix | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/pkgs/development/compilers/llvm/rocm/clang.nix b/pkgs/development/compilers/llvm/rocm/clang.nix
index 789d4c055eb..6ab0f894ca9 100644
--- a/pkgs/development/compilers/llvm/rocm/clang.nix
+++ b/pkgs/development/compilers/llvm/rocm/clang.nix
@@ -56,6 +56,11 @@ stdenv.mkDerivation rec {
     echo "$VCSVersion" > lib/Basic/VCSVersion.inc
   '';
 
+  passthru = {
+    isClang = true;
+    inherit llvm;
+  };
+
   meta = with lib; {
     description = "ROCm fork of the clang C/C++/Objective-C/Objective-C++ LLVM compiler frontend";
     homepage = "https://llvm.org/";