--- xdg/CMakeLists.txt.orig	2021-06-14 09:22:20 UTC
+++ xdg/CMakeLists.txt
@@ -6,19 +6,12 @@ set(XDG_APPLICATION_ID "org.widelands.Widelands")
 list(APPEND icon_sizes "16" "32" "48" "64" "128")
 foreach (icon_size ${icon_sizes})
   #install(FILES ${CMAKE_SOURCE_DIR}/data/images/logos/wl-ico-${icon_size}.png DESTINATION ${CMAKE_INSTALL_DATAROOTDIR}/icons/hicolor/${icon_size}x${icon_size}/apps RENAME ${XDG_APPLICATION_ID}.png)
-  install(FILES ${CMAKE_SOURCE_DIR}/data/images/logos/wl-ico-${icon_size}.png DESTINATION ../share/icons/hicolor/${icon_size}x${icon_size}/apps RENAME ${XDG_APPLICATION_ID}.png)
+  install(FILES ${CMAKE_SOURCE_DIR}/data/images/logos/wl-ico-${icon_size}.png DESTINATION share/icons/hicolor/${icon_size}x${icon_size}/apps RENAME ${XDG_APPLICATION_ID}.png)
 endforeach (icon_size ${icon_sizes})
 #install(FILES ${CMAKE_CURRENT_SOURCE_DIR}/${CMAKE_PROJECT_NAME}.6           DESTINATION ${CMAKE_INSTALL_MANDIR}/man6)
-install(FILES ${CMAKE_CURRENT_SOURCE_DIR}/${CMAKE_PROJECT_NAME}.6           DESTINATION ../share/man/man6)
+install(FILES ${CMAKE_CURRENT_SOURCE_DIR}/${CMAKE_PROJECT_NAME}.6           DESTINATION share/man/man6)
 #install(FILES ${CMAKE_CURRENT_SOURCE_DIR}/${XDG_APPLICATION_ID}.desktop     DESTINATION ${CMAKE_INSTALL_DATAROOTDIR}/applications)
-install(FILES ${CMAKE_CURRENT_SOURCE_DIR}/${XDG_APPLICATION_ID}.desktop     DESTINATION ../share/applications)
+install(FILES ${CMAKE_CURRENT_SOURCE_DIR}/${XDG_APPLICATION_ID}.desktop     DESTINATION share/applications)
 #install(FILES ${CMAKE_CURRENT_SOURCE_DIR}/${XDG_APPLICATION_ID}.appdata.xml DESTINATION ${CMAKE_INSTALL_DATAROOTDIR}/metainfo)
-install(FILES ${CMAKE_CURRENT_SOURCE_DIR}/${XDG_APPLICATION_ID}.appdata.xml DESTINATION ../share/metainfo)
+install(FILES ${CMAKE_CURRENT_SOURCE_DIR}/${XDG_APPLICATION_ID}.appdata.xml DESTINATION share/metainfo)
 
-find_program(GTK_UPDATE_ICON_CACHE NAMES gtk-update-icon-cache)
-if (GTK_UPDATE_ICON_CACHE)
-  #install(CODE "execute_process (COMMAND ${GTK_UPDATE_ICON_CACHE} -t -f ${CMAKE_INSTALL_PREFIX}/${CMAKE_INSTALL_DATAROOTDIR}/icons/hicolor ||: )")
-  install(CODE "execute_process (COMMAND ${GTK_UPDATE_ICON_CACHE} -t -f ${CMAKE_INSTALL_PREFIX}/../share/icons/hicolor ||: )")
-else (GTK_UPDATE_ICON_CACHE)
-  message(WARNING "gtk-update-icon-cache not found!")
-endif (GTK_UPDATE_ICON_CACHE)