Add install component declaration for py2app

Author: facekapow

CMakeLists.txt

@@ -77,7 +77,9 @@ add_subdirectory(Modules/macholib-1.5.1/macholib-1.5.1)
 add_subdirectory(Modules/xattr-0.6.4/xattr-0.6.4)
 add_subdirectory(Modules/setuptools-41.0.1/setuptools-41.0.1)
 if (COMPONENT_dev_gui_common)
+	set(CMAKE_INSTALL_DEFAULT_COMPONENT_NAME "cli_dev_gui_common")
 	add_subdirectory(Modules/py2app-0.7.3/py2app-0.7.3-noprebuilt)
+	set(CMAKE_INSTALL_DEFAULT_COMPONENT_NAME "python")
 endif()
 add_subdirectory(Modules/altgraph-0.10.2/altgraph-0.10.2)
 add_subdirectory(Modules/modulegraph-0.10.4/modulegraph-0.10.4)