From 3108c4dd15f76b0bb38caa9a24e0c41f0a036fc9 Mon Sep 17 00:00:00 2001
From: Jan Tojnar <jtojnar@gmail.com>
Date: Thu, 14 Nov 2019 22:35:02 +0100
Subject: [PATCH] meson: fix unknown compiler error

---
 .../tools/build-managers/meson/default.nix      | 17 ++++++++++++++++-
 1 file changed, 16 insertions(+), 1 deletion(-)

diff --git a/pkgs/development/tools/build-managers/meson/default.nix b/pkgs/development/tools/build-managers/meson/default.nix
index fad5bc9e630..595d9332739 100644
--- a/pkgs/development/tools/build-managers/meson/default.nix
+++ b/pkgs/development/tools/build-managers/meson/default.nix
@@ -1,4 +1,11 @@
-{ lib, python3Packages, stdenv, writeTextDir, substituteAll, targetPackages }:
+{ lib
+, python3Packages
+, fetchpatch
+, stdenv
+, writeTextDir
+, substituteAll
+, targetPackages
+}:
 
 let
   # See https://mesonbuild.com/Reference-tables.html#cpu-families
@@ -54,6 +61,14 @@ python3Packages.buildPythonApplication rec {
       src = ./fix-rpath.patch;
       inherit (builtins) storeDir;
     })
+
+    # Fix detecting incorrect compiler in the store path hash.
+    # https://github.com/NixOS/nixpkgs/issues/73417#issuecomment-554077964
+    # https://github.com/mesonbuild/meson/pull/6185
+    (fetchpatch {
+      url = "https://github.com/mesonbuild/meson/commit/972ede1d14fdf17fe5bb8fb99be220f9395c2392.patch";
+      sha256 = "19bfsylhpy0b2xv3ks8ac9x3q6vvvyj1wjcy971v9d5f1455xhbb";
+    })
   ] ++ lib.optionals stdenv.isDarwin [
     # We use custom Clang, which makes Meson think *not Apple*, while still
     # relying on system linker. When it detects standard Clang, Meson will