Try to fix qt through packages

xmake-repo/packages/q/qt5widgets/xmake.lua

@@ -4,11 +4,16 @@ package("qt5widgets")
     set_description("Qt is the faster, smarter way to create innovative devices, modern UIs & applications for multiple screens. Cross-platform software development at its best.")
     set_license("LGPL-3")
 
-    add_deps("qt5base", "qt5core", "qt5gui")
+    on_load(function (package)
+        package:add("deps", "qt5base", "qt5core", "qt5gui", {debug = package:is_debug()})
+    end)
 
     on_fetch(function (package)
         local base = package:dep("qt5base")
         local qt = base:data("qtdir")
+        if not qt then
+            return
+        end
 
         return {
             links = table.wrap("Qt5Widgets" .. (package:is_plat("windows") and package:is_debug() and "d" or "")),
@@ -16,3 +21,12 @@ package("qt5widgets")
             includedirs = table.wrap(qt.includedir)
         }
     end)
+
+    on_install(function (package)
+        local base = package:dep("qt5base")
+        local qt = base:data("qtdir")
+        assert(qt, "qt5base is required")
+    end)
+
+    on_test(function (package)
+    end)