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/kde-modules/KDESetupPrefixScript.cmake

@@ -0,0 +1,32 @@
+# SPDX-FileCopyrightText: 2014-2015 Alex Merry <alex.merry@kde.org>
+# SPDX-FileCopyrightText: 2013 Stephen Kelly <steveire@gmail.com>
+# SPDX-FileCopyrightText: 2012 David Faure <faure@kde.org>
+# SPDX-FileCopyrightText: 2007 Matthias Kretz <kretz@kde.org>
+# SPDX-FileCopyrightText: 2006-2007 Laurent Montel <montel@kde.org>
+# SPDX-FileCopyrightText: 2006-2013 Alex Neundorf <neundorf@kde.org>
+#
+# SPDX-License-Identifier: BSD-3-Clause
+#
+# Prefix script setup code shared between KDEInstallDirsX.cmake, not public API.
+#
+
+if (CMAKE_CROSSCOMPILING)
+    # we can't run anything when cross-compiling, so no need to even bother with a prefix script in this case
+    return()
+endif()
+
+configure_file(${CMAKE_CURRENT_LIST_DIR}/prefix.sh.cmake ${CMAKE_CURRENT_BINARY_DIR}/prefix.sh @ONLY)
+
+find_program(FISH_EXECUTABLE fish)
+if(FISH_EXECUTABLE)
+    configure_file(${CMAKE_CURRENT_LIST_DIR}/prefix.sh.fish.cmake ${CMAKE_CURRENT_BINARY_DIR}/prefix.sh.fish @ONLY)
+endif()
+
+option(KDE_INSTALL_PREFIX_SCRIPT "Installs ${CMAKE_INSTALL_PREFIX}/prefix.sh that sets up the necessary environment variables" OFF)
+if(KDE_INSTALL_PREFIX_SCRIPT)
+    install(FILES ${CMAKE_CURRENT_BINARY_DIR}/prefix.sh DESTINATION ${CMAKE_INSTALL_PREFIX} PERMISSIONS OWNER_EXECUTE OWNER_WRITE OWNER_READ)
+endif()
+
+if(NOT KDE_INSTALL_USE_QT_SYS_PATHS)
+    message("Installing in ${CMAKE_INSTALL_PREFIX}. Run ${CMAKE_CURRENT_BINARY_DIR}/prefix.sh to set the environment for ${CMAKE_PROJECT_NAME}.")
+endif()