Advance Wayland and KDE package bring-up

Ultraworked with [Sisyphus](https://github.com/code-yeongyu/oh-my-openagent)

Co-authored-by: Sisyphus <clio-agent@sisyphuslabs.ai>

local/recipes/kde/kf6-extra-cmake-modules/source/tests/ECMAddTests/check_files.cmake

@@ -0,0 +1,15 @@
+set(i 0)
+set(in_file_args FALSE)
+while (i LESS CMAKE_ARGC)
+    if (in_file_args)
+        if (NOT EXISTS "${CMAKE_ARGV${i}}")
+            message(FATAL_ERROR "${CMAKE_ARGV${i}} does not exist")
+        endif()
+    elseif (CMAKE_ARGV${i} STREQUAL "-P")
+        # skip script name
+        math(EXPR i "${i} + 1")
+        set(in_file_args TRUE)
+    endif()
+    math(EXPR i "${i} + 1")
+endwhile()
+