From b5533631cebeee8173ba113acbe641866ca1adab Mon Sep 17 00:00:00 2001
From: Benjamin Saunders <ben.e.saunders@gmail.com>
Date: Thu, 12 Mar 2020 10:31:51 -0700
Subject: [PATCH] vulkan-loader: use vulkan-headers include path in pkgconfig
 file

---
 pkgs/development/libraries/vulkan-loader/default.nix | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/pkgs/development/libraries/vulkan-loader/default.nix b/pkgs/development/libraries/vulkan-loader/default.nix
index c12c3ca640ba..b1f2663e7f8f 100644
--- a/pkgs/development/libraries/vulkan-loader/default.nix
+++ b/pkgs/development/libraries/vulkan-loader/default.nix
@@ -16,6 +16,10 @@ stdenv.mkDerivation rec {
   buildInputs = [ cmake python3 xlibsWrapper libxcb libXrandr libXext wayland ];
   enableParallelBuilding = true;
 
+  preConfigure = ''
+    substituteInPlace loader/vulkan.pc.in --replace 'includedir=''${prefix}/include' 'includedir=${vulkan-headers}/include'
+  '';
+
   cmakeFlags = [
     "-DSYSCONFDIR=${addOpenGLRunpath.driverLink}/share"
     "-DVULKAN_HEADERS_INSTALL_DIR=${vulkan-headers}"