hw/fsi/meson.build - third_party/qemu - Git at Google

 system_ss.add(when: 'CONFIG_FSI', if_true: files('lbus.c','fsi.c','cfam.c','fsi-master.c'))
 system_ss.add(when: 'CONFIG_FSI_APB2OPB_ASPEED', if_true: files('aspeed_apb2opb.c'))
	system_ss.add(when: 'CONFIG_FSI', if_true: files('lbus.c','fsi.c','cfam.c','fsi-master.c'))
	system_ss.add(when: 'CONFIG_FSI_APB2OPB_ASPEED', if_true: files('aspeed_apb2opb.c'))