From 0fbb17370399ac73eda80512f21cdf9731a46411 Mon Sep 17 00:00:00 2001
From: tilcreator <tilcreator@tc-j.de>
Date: Sun, 16 Jan 2022 16:12:12 +0100
Subject: [PATCH] glslang: fix SPIRVTargets.cmake

---
 pkgs/development/compilers/glslang/default.nix | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/pkgs/development/compilers/glslang/default.nix b/pkgs/development/compilers/glslang/default.nix
index 97092950c6a4..7295db0d9d38 100644
--- a/pkgs/development/compilers/glslang/default.nix
+++ b/pkgs/development/compilers/glslang/default.nix
@@ -31,6 +31,11 @@ stdenv.mkDerivation rec {
     ln -s "${spirv-headers.src}" External/spirv-tools/external/spirv-headers
   '';
 
+  # This is a dirty fix for lib/cmake/SPIRVTargets.cmake:51 which includes this directory
+  postInstall = ''
+    mkdir $out/include/External
+  '';
+
   meta = with lib; {
     inherit (src.meta) homepage;
     description = "Khronos reference front-end for GLSL and ESSL";