From e9fc4018ea53d69dd1f4f980d5ed0613d05cbb6e Mon Sep 17 00:00:00 2001
From: Michal Sojka <michal.sojka@cvut.cz>
Date: Thu, 19 Sep 2024 10:53:07 +0200
Subject: [PATCH] openni2: Use libjpeg from nixpkgs

The vendored version of libjpeg fails to build with errors like this:

../../ThirdParty/LibJPEG/jccolor.c:135:3: error: ISO C++17 does not allow 'register' storage class specifier [-Wregister]
  135 |   register int r, g, b;
      |   ^~~~~~~~
---
 pkgs/openni2/default.nix | 13 +++++++++++--
 1 file changed, 11 insertions(+), 2 deletions(-)

diff --git a/pkgs/openni2/default.nix b/pkgs/openni2/default.nix
index a44f5a6b1f..1e809d4dfd 100644
--- a/pkgs/openni2/default.nix
+++ b/pkgs/openni2/default.nix
@@ -1,5 +1,5 @@
 { lib, clangStdenv, fetchurl, fetchFromGitHub, libusb1, jdk, python3, doxygen
-, libGLU, xorg, freeglut }:
+, libGLU, xorg, freeglut, fetchDebianPatch, libjpeg }:
 
 let
   libopenni2_pc = fetchurl {
@@ -17,8 +17,17 @@ in clangStdenv.mkDerivation rec {
     sha256 = "0mfnyzpq53wnzgjfx91xcbx0nrl0lp1vrk1rk20a3gb3kshsr675";
   };
 
+  patches = [
+    (fetchDebianPatch {
+      inherit pname;
+      version = "${version}+dfsg-18";
+      patch = "0003-Use-system-wide-libjpeg.patch";
+      hash = "sha256-Y4K70tqmbQDIsNCau/XZyNJL5RfBa/VW6xG5+M6XW6Q=";
+    })
+  ];
+
   nativeBuildInputs = [ jdk python3 doxygen ];
-  buildInputs = [ libusb1 libGLU xorg.libX11 freeglut ];
+  buildInputs = [ libusb1 libGLU xorg.libX11 freeglut libjpeg ];
 
   outputs = [ "out" "doc" ];