Improve handling configuration suffix

* Use configuration suffix when installing icons
* Include configuration name suffix in application name

This way differently configured versions of the same applications should be
co-installable within the same prefix. That is useful to install the Qt 6
version of an application alongside the Qt 5 version.

CMakeLists.txt

@@ -114,7 +114,7 @@ set(META_APP_DESCRIPTION "Useful C++ classes and routines such as argument parse
 set(META_FEATURES_FOR_COMPILER_DETECTION_HEADER cxx_thread_local)
 set(META_VERSION_MAJOR 5)
 set(META_VERSION_MINOR 7)
-set(META_VERSION_PATCH 0)
+set(META_VERSION_PATCH 1)
 
 # find required 3rd party libraries
 include(3rdParty)

cmake/modules/AppTarget.cmake

@@ -135,8 +135,11 @@ if (NOT META_NO_INSTALL_TARGETS AND ENABLE_INSTALL_TARGETS)
     endforeach ()
 
     foreach (ICON_FILE ${ICON_FILES})
+        get_filename_component(ICON_FILE_NAME "${ICON_FILE}" NAME_WE)
+        get_filename_component(ICON_FILE_EXT "${ICON_FILE}" EXT)
         install(
             FILES "${ICON_FILE}"
+            RENAME "${ICON_FILE_NAME}${META_CONFIG_SUFFIX}${ICON_FILE_EXT}"
             DESTINATION "${CMAKE_INSTALL_DATAROOTDIR}/icons/hicolor/scalable/apps"
             COMPONENT desktop)
     endforeach ()
@@ -243,7 +246,7 @@ function (add_desktop_file)
         DESKTOP_FILE_CMD
         "${META_TARGET_NAME}"
         DESKTOP_FILE_ICON
-        "${META_PROJECT_NAME}"
+        "${META_PROJECT_NAME}${META_CONFIG_SUFFIX}"
         DESKTOP_FILE_ADDITIONAL_ENTRIES
         "${DESKTOP_FILE_ADDITIONAL_ENTRIES}")
 

cmake/modules/BasicConfig.cmake

@@ -50,6 +50,7 @@ endif ()
 if (META_CONFIG_NAME)
     set(META_CONFIG_PREFIX "${META_CONFIG_NAME}-")
     set(META_CONFIG_SUFFIX "-${META_CONFIG_NAME}")
+    set(META_APP_NAME "${META_APP_NAME} (${META_CONFIG_NAME})")
 endif ()
 
 # allow setting a library/application target suffix - A different configuration name might not require a different target