complete flake.nix + progress wlroots -> wlroots_0_19

flake.lock

@@ -0,0 +1,27 @@
+{
+  "nodes": {
+    "nixpkgs": {
+      "locked": {
+        "lastModified": 1755922037,
+        "narHash": "sha256-wY1+2JPH0ZZC4BQefoZw/k+3+DowFyfOxv17CN/idKs=",
+        "owner": "nixos",
+        "repo": "nixpkgs",
+        "rev": "b1b3291469652d5a2edb0becc4ef0246fff97a7c",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nixos",
+        "ref": "nixos-25.05",
+        "repo": "nixpkgs",
+        "type": "github"
+      }
+    },
+    "root": {
+      "inputs": {
+        "nixpkgs": "nixpkgs"
+      }
+    }
+  },
+  "root": "root",
+  "version": 7
+}

flake.nix

@@ -7,14 +7,18 @@
 
   outputs = {nixpkgs, ...}: let
     system = "x86_64-linux";
+    enableXWayland = false;
   in {
     devShells."${system}".default = let
       pkgs = import nixpkgs {
         inherit system;
       };
+      lib = nixpkgs.lib;
+      stdenv = pkgs.stdenv;
     in
       pkgs.mkShell {
-        packages = with pkgs; [
+        packages = with pkgs;
+          [
             # NativeBuildInputs
             installShellFiles
             pkg-config
@@ -22,18 +26,38 @@
 
             # BuildInputs
             libinput
-          libxcb
+            xorg.libxcb
             libxkbcommon
             pixman
             wayland
             wayland-protocols
-          wlroots
-
+            wlroots_0_19
+          ]
+          ++ lib.optionals enableXWayland
+          [
             # XWayland
-          libX11
-          xcbutilwm
+            xorg.libX11
+            xorg.xcbutilwm
             xwayland
           ];
+
+        shellHook = let
+          makeFlags =
+            lib.strings.concatStringsSep " "
+            ([
+                "PKG_CONFIG=${stdenv.cc.targetPrefix}pkg-config"
+                "WAYLAND_SCANNER=wayland-scanner"
+                # "PREFIX=$(out)"
+                # "MANDIR=$(man)/share/man"
+              ]
+              ++ lib.optionals enableXWayland [
+                ''XWAYLAND="-DXWAYLAND"''
+                ''XLIBS="xcb xcb-icccm"''
+              ]);
+        in ''
+          TERM=xterm-256color
+          alias mk='${makeFlags} make'
+        '';
       };
   };
 }