1system_ss.add(when: 'CONFIG_CXL', 2 if_true: files( 3 'cxl-component-utils.c', 4 'cxl-device-utils.c', 5 'cxl-mailbox-utils.c', 6 'cxl-host.c', 7 'cxl-cdat.c', 8 'cxl-events.c', 9 ), 10 if_false: files( 11 'cxl-host-stubs.c', 12 )) 13 14system_ss.add(when: 'CONFIG_ALL', if_true: files('cxl-host-stubs.c')) 15