From 237da4a2c046b26f20614ae62b2b24fbfa759358 Mon Sep 17 00:00:00 2001
From: Artturin <Artturin@artturin.com>
Date: Sat, 30 Jul 2022 21:51:38 +0300
Subject: [PATCH] gtk4: fix cross

---
 pkgs/development/libraries/gtk/4.x.nix | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

diff --git a/pkgs/development/libraries/gtk/4.x.nix b/pkgs/development/libraries/gtk/4.x.nix
index fc3e39b02261..07472e736e5d 100644
--- a/pkgs/development/libraries/gtk/4.x.nix
+++ b/pkgs/development/libraries/gtk/4.x.nix
@@ -42,6 +42,7 @@
 , vulkan-headers
 , wayland
 , wayland-protocols
+, wayland-scanner
 , xineramaSupport ? stdenv.isLinux
 , cupsSupport ? stdenv.isLinux
 , cups
@@ -77,6 +78,10 @@ stdenv.mkDerivation rec {
     sha256 = "e7/k0TVp98KX7UmDSscmPjGLe/EC0ycctGbVlx9ZrnA=";
   };
 
+  depsBuildBuild = [
+    pkg-config
+  ];
+
   nativeBuildInputs = [
     gettext
     gobject-introspection
@@ -88,6 +93,7 @@ stdenv.mkDerivation rec {
     sassc
     gi-docgen
     libxml2 # for xmllint
+    wayland-scanner
   ] ++ setupHooks;
 
   buildInputs = [
@@ -183,6 +189,14 @@ stdenv.mkDerivation rec {
 
     chmod +x ''${files[@]}
     patchShebangs ''${files[@]}
+
+  '' +
+  # Run-time dependency gi-docgen found: NO (tried pkgconfig and cmake)
+  # it should be a build-time dep for build
+  # TODO: send upstream
+  ''
+    substituteInPlace meson.build \
+      --replace "'gi-docgen', ver" "'gi-docgen', native:true, ver"
   '';
 
   preInstall = ''