Add icon to MacOS build

app/CMakeLists.txt

@@ -142,9 +142,18 @@ IF(WIN32)
       COMMENT "Add icon on windows platform"
     )
   ENDIF()
+  ADD_EXECUTABLE(${PROJECT_NAME} ${Calyp_App_SRCS} ${HEADERS_MOC_FILES} ${Calyp_App_UI_Wrap} ${Calyp_App_RCC} ${WINDOWS_RES_FILE})
+ELSEIF(CMAKE_HOST_APPLE)
+  SET(CMAKE_MACOSX_BUNDLE ON)
+  SET(MACOSX_BUNDLE_EXECUTABLE_NAME ${PROJECT_NAME})
+  SET(MACOSX_BUNDLE_ICON_FILE Contents/Resources/calyp.icns)
+  SET(MACOSX_BUNDLE_BUNDLE_NAME Calyp)
+  SET(APP_ICON_MACOSX ${CMAKE_CURRENT_SOURCE_DIR}/resources/calyp.icns)
+  SET_SOURCE_FILES_PROPERTIES(${APP_ICON_MACOSX} PROPERTIES MACOSX_PACKAGE_LOCATION "Resources")
+  ADD_EXECUTABLE(${PROJECT_NAME} MACOSX_BUNDLE ${Calyp_App_SRCS} ${HEADERS_MOC_FILES} ${Calyp_App_UI_Wrap} ${Calyp_App_RCC} ${APP_ICON_MACOSX})
+ELSE()
+  ADD_EXECUTABLE(${PROJECT_NAME} ${Calyp_App_SRCS} ${HEADERS_MOC_FILES} ${Calyp_App_UI_Wrap} ${Calyp_App_RCC})
 ENDIF()
-
-ADD_EXECUTABLE(${PROJECT_NAME} ${Calyp_App_SRCS} ${HEADERS_MOC_FILES} ${Calyp_App_UI_Wrap} ${Calyp_App_RCC} ${WINDOWS_RES_FILE})
 TARGET_LINK_LIBRARIES(${PROJECT_NAME} ${PROJECT_LIBRARY} CalypModules ${APP_LINKER_LIBS} ${QT_LINKER_LIBS} QCustomPlotLib)
 
 # QT5_USE_MODULES( ${PROJECT_NAME} ${QT_MODULES} )