From b333bf83d34ba67fb3bb178c73a2967ebba4bc08 Mon Sep 17 00:00:00 2001
From: Michael Weiss <dev.primeos@gmail.com>
Date: Sat, 3 Jul 2021 15:40:23 +0200
Subject: [PATCH 1/3] egl-wayland: support cross-compilation

---
 pkgs/development/libraries/egl-wayland/default.nix | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/pkgs/development/libraries/egl-wayland/default.nix b/pkgs/development/libraries/egl-wayland/default.nix
index b3654087ffd0..9e7beb0a4f86 100644
--- a/pkgs/development/libraries/egl-wayland/default.nix
+++ b/pkgs/development/libraries/egl-wayland/default.nix
@@ -4,6 +4,7 @@
 , pkg-config
 , meson
 , ninja
+, wayland-scanner
 , libX11
 , mesa
 , libGL
@@ -51,10 +52,15 @@ in stdenv.mkDerivation rec {
     sha256 = "1n9lg8hpjgxlf7dpddkjhbslsfd0symla2wk6jjmnl9n9jv2gmzk";
   };
 
+  depsBuildBuild = [
+    pkg-config
+  ];
+
   nativeBuildInputs = [
     meson
     ninja
     pkg-config
+    wayland-scanner
   ];
 
   buildInputs = [

From 0b93eb68a2733e5b5ac299cd3753912b0166f3b4 Mon Sep 17 00:00:00 2001
From: Michael Weiss <dev.primeos@gmail.com>
Date: Sat, 3 Jul 2021 15:45:54 +0200
Subject: [PATCH 2/3] xwayland: support cross-compilation

---
 pkgs/servers/x11/xorg/xwayland.nix | 12 +++++++++++-
 1 file changed, 11 insertions(+), 1 deletion(-)

diff --git a/pkgs/servers/x11/xorg/xwayland.nix b/pkgs/servers/x11/xorg/xwayland.nix
index 46d7ebfd85a2..c16391a3c504 100644
--- a/pkgs/servers/x11/xorg/xwayland.nix
+++ b/pkgs/servers/x11/xorg/xwayland.nix
@@ -32,6 +32,7 @@
 , stdenv
 , wayland
 , wayland-protocols
+, wayland-scanner
 , xkbcomp
 , xkeyboard_config
 , xorgproto
@@ -47,7 +48,16 @@ stdenv.mkDerivation rec {
     url = "mirror://xorg/individual/xserver/${pname}-${version}.tar.xz";
     sha256 = "sha256-MfJhzlG77namyj7AKqNn/6K176K5hBLfV8zv16GQA84=";
   };
-  nativeBuildInputs = [ pkg-config meson ninja ];
+
+  depsBuildBuild = [
+    pkg-config
+  ];
+  nativeBuildInputs = [
+    pkg-config
+    meson
+    ninja
+    wayland-scanner
+  ];
   buildInputs = [
     egl-wayland
     epoxy

From 4c2b069b8ffeff2b89eda1fa92358cebf88aa781 Mon Sep 17 00:00:00 2001
From: Michael Weiss <dev.primeos@gmail.com>
Date: Sat, 3 Jul 2021 15:46:36 +0200
Subject: [PATCH 3/3] wlroots: support cross-compilation

---
 pkgs/development/libraries/wlroots/default.nix | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/pkgs/development/libraries/wlroots/default.nix b/pkgs/development/libraries/wlroots/default.nix
index 45c2fd228f2d..9dc717c34790 100644
--- a/pkgs/development/libraries/wlroots/default.nix
+++ b/pkgs/development/libraries/wlroots/default.nix
@@ -18,6 +18,8 @@ stdenv.mkDerivation rec {
   # $out for the library and $examples for the example programs (in examples):
   outputs = [ "out" "examples" ];
 
+  depsBuildBuild = [ pkg-config ];
+
   nativeBuildInputs = [ meson ninja pkg-config wayland-scanner ];
 
   buildInputs = [