Optinally install icons

Useful for stuff like flatpak that needs an icon to exist just by
compiling the app

CMakeLists.txt

@@ -75,6 +75,8 @@ set(CMAKE_CXX_EXTENSIONS OFF)
 
 include_directories(${CMAKE_SOURCE_DIR} ${CMAKE_BINARY_DIR} )
 
+file(GLOB ICONS_SRCS "data/icons/*.png")
+
 add_subdirectory( src )
 add_subdirectory( data )
 add_subdirectory( desktop )
@@ -84,6 +86,13 @@ endif()
 
 add_subdirectory( tools )
 
+# Conditionally install icons for Linux as they may not be provided by the user theme
+option(INSTALL_ICONS "Install icons" OFF)
+if (INSTALL_ICONS)
+    include(ECMInstallIcons)
+    ecm_install_icons( ICONS ${ICONS_SRCS} DESTINATION ${KDE_INSTALL_ICONDIR} )
+endif()
+
 
 if (${ECM_VERSION} STRGREATER "5.58.0")
     install( FILES konsole.categories DESTINATION ${KDE_INSTALL_LOGGINGCATEGORIESDIR} )

src/CMakeLists.txt

@@ -252,7 +252,6 @@ set(konsole_KDEINIT_SRCS
 
 
 # Sets the icon on Windows and OSX
-file(GLOB ICONS_SRCS "${CMAKE_CURRENT_SOURCE_DIR}/../data/icons/*.png")
 ecm_add_app_icon(kdeinit_konsole ICONS ${ICONS_SRCS})
 
 kf5_add_kdeinit_executable(konsole ${konsole_KDEINIT_SRCS})