use $feature() to enable debug features

lib/ugui.c3l/src/core.c3

@@ -268,8 +268,6 @@ fn void? Ctx.frame_begin(&ctx)
 	// TODO: add a background color taken from a theme or config
 }
 
-const int DEBUG = 1;
-
 fn void? Ctx.frame_end(&ctx)
 {
 	// FIXME: this is not guaranteed to be root. the user might forget to close a div or some other element
@@ -300,7 +298,7 @@ fn void? Ctx.frame_end(&ctx)
 	}
 
 // debug
-$if DEBUG == 1:
+$if $feature(DEBUG_POINTER):
 	// draw mouse position
 	Cmd cmd = {
 		.type = CMD_RECT,

project.json

@@ -3,7 +3,7 @@
   "warnings": ["no-unused"],
   "dependency-search-paths": ["lib", "lib/vendor/libraries"],
   "dependencies": ["sdl3", "ugui"],
-  "features": [],
+  "features": ["DEBUG_POINTER"],
   "authors": ["Alessandro Mauri <ale@shitposting.expert>"],
   "version": "0.1.0",
   "sources": ["src/**"],
@@ -14,7 +14,6 @@
       "type": "executable"
     }
   },
-  "cpu": "native",
   "opt": "O0",
   "debug-info": "full"
 }

src/renderer.c3

@@ -36,7 +36,6 @@ import ugui;
 // CONSTANTS                                                                                      //
 // ============================================================================================== //
 
-const int DEBUG = 1;
 const bool CYCLE = true;
 const int MAX_QUAD_BATCH = 2048;
 
@@ -147,7 +146,7 @@ struct Renderer {
 fn void Renderer.init(&self, ZString title, uint width, uint height, bool vsync)
 {
 	// set wayland hint automagically
-$if DEBUG == 0:
+$if $feature(RENDER_DEBUG) == false && $feature(USE_WAYLAND) == true:
 	bool has_wayland = false;
 	for (int i = 0; i < sdl::get_num_video_drivers(); i++) {
 		ZString driver = sdl::get_video_driver(i);