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/ECMInstallIconsTest/16-actions-badext.txt

@@ -0,0 +1 @@
+test

local/recipes/kde/kf6-extra-cmake-modules/source/tests/ECMInstallIconsTest/CMakeLists.txt

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+cmake_minimum_required(VERSION 3.5)
+project(ECMInstallIconsTest)
+
+set(CMAKE_MODULE_PATH ${CMAKE_CURRENT_SOURCE_DIR}/../../modules)
+
+# make sure the test install dir is clean
+file(REMOVE_RECURSE "${CMAKE_INSTALL_PREFIX}")
+
+include(ECMInstallIcons)
+
+add_subdirectory(v1-syntax)
+add_subdirectory(v1-syntax-l10n)
+add_subdirectory(v1-syntax-no-icons)
+
+ecm_install_icons(
+    ICONS 16-actions-computer.png
+    DESTINATION single-file-test
+)
+
+ecm_install_icons(
+    ICONS
+        16-actions-computer.png
+        16-animations-loading.mng
+        subdir/16-apps-cmake.png
+        16-categories-system-help.mng
+        16-emotes-face-smile.png
+        16-intl-something.png
+        16-status-user-online.png
+        128-devices-drive-removable-media-usb-pendrive.png
+        128-emblems-emblem-mounted.png
+        128-places-home.mng
+        sc-mimetypes-fonts-package.svgz
+    DESTINATION multi-file-test
+)
+
+ecm_install_icons(
+    ICONS
+        16-actions-computer.png
+        16-animations-loading.mng
+        subdir/16-apps-cmake.png
+        16-categories-system-help.mng
+        16-emotes-face-smile.png
+        16-intl-something.png
+        16-status-user-online.png
+        128-devices-drive-removable-media-usb-pendrive.png
+        128-emblems-emblem-mounted.png
+        128-places-home.mng
+        sc-mimetypes-fonts-package.svgz
+    DESTINATION themed-test
+    THEME theme-name-2
+)
+
+ecm_install_icons(
+    ICONS
+        16-actions-computer.png
+        16-animations-loading.mng
+        subdir/16-apps-cmake.png
+        16-categories-system-help.mng
+        16-emotes-face-smile.png
+        16-intl-something.png
+        16-status-user-online.png
+        128-devices-drive-removable-media-usb-pendrive.png
+        128-emblems-emblem-mounted.png
+        128-places-home.mng
+        sc-mimetypes-fonts-package.svgz
+    DESTINATION lang-test
+    LANG en_US
+)
+
+ecm_install_icons(
+    ICONS
+        16-actions-computer.png
+        16-animations-loading.mng
+        subdir/16-apps-cmake.png
+        16-categories-system-help.mng
+        16-emotes-face-smile.png
+        16-intl-something.png
+        16-status-user-online.png
+        128-devices-drive-removable-media-usb-pendrive.png
+        128-emblems-emblem-mounted.png
+        128-places-home.mng
+        sc-mimetypes-fonts-package.svgz
+    DESTINATION themed-lang-test
+    THEME oxygen
+    LANG en_US
+)
+
+# all these should be warned about
+ecm_install_icons(
+    ICONS
+        aa-actions-badsize.png          # ignored
+        badlynamedfile.png              # ignored
+        16-actions-badext.txt           # copied
+        hi16-actions-old-style-name.png # copied
+    DESTINATION badly-named-files-test
+)
+
+find_program(icon_cache_generator NAMES gtk-update-icon-cache)
+if (icon_cache_generator)
+    set(GENERATE_ICON_CACHE TRUE)
+else()
+    set(GENERATE_ICON_CACHE FALSE)
+endif()
+
+# this will be run by CTest
+configure_file(check_tree.cmake.in "${CMAKE_CURRENT_BINARY_DIR}/check_tree.cmake" @ONLY)

local/recipes/kde/kf6-extra-cmake-modules/source/tests/ECMInstallIconsTest/check_tree.cmake.in

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+set(EXP_TREE "@CMAKE_CURRENT_SOURCE_DIR@/expected-tree")
+set(ACTUAL_TREE "@CMAKE_INSTALL_PREFIX@")
+set(GENERATE_ICON_CACHE "@GENERATE_ICON_CACHE@")
+
+file(GLOB_RECURSE exp_files RELATIVE "${EXP_TREE}" "${EXP_TREE}/*")
+file(GLOB_RECURSE actual_files RELATIVE "${ACTUAL_TREE}" "${ACTUAL_TREE}/*")
+if (NOT GENERATE_ICON_CACHE)
+    file(GLOB_RECURSE cache_files RELATIVE "${EXP_TREE}" "${EXP_TREE}/*.cache")
+    foreach(f ${cache_files})
+        list(REMOVE_ITEM exp_files "${f}")
+    endforeach()
+endif()
+list(SORT exp_files)
+list(SORT actual_files)
+
+if(NOT exp_files STREQUAL actual_files)
+    foreach(f ${exp_files})
+        list(FIND actual_files "${f}" result)
+        if(result EQUAL -1)
+            message(WARNING "${f} was expected, but not found")
+        endif()
+    endforeach()
+    foreach(f ${actual_files})
+        list(FIND exp_files "${f}" result)
+        if(result EQUAL -1)
+            message(WARNING "${f} was found, but not expected")
+        endif()
+    endforeach()
+    message(FATAL_ERROR "Trees differ!")
+endif()

local/recipes/kde/kf6-extra-cmake-modules/source/tests/ECMInstallIconsTest/expected-tree/badly-named-files-test/hicolor/16x16/actions/badext.txt

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+test

local/recipes/kde/kf6-extra-cmake-modules/source/tests/ECMInstallIconsTest/v1-syntax-l10n/CMakeLists.txt

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+ecm_install_icons(v1-icons en_US)

local/recipes/kde/kf6-extra-cmake-modules/source/tests/ECMInstallIconsTest/v1-syntax-no-icons/CMakeLists.txt

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+ecm_install_icons(v1-icons-dummy)

local/recipes/kde/kf6-extra-cmake-modules/source/tests/ECMInstallIconsTest/v1-syntax/CMakeLists.txt

@@ -0,0 +1 @@
+ecm_install_icons(v1-icons)