set(srcs) set(include) # As CONFIG_USB_OTG_SUPPORTED comes from Kconfig, it is not evaluated yet # when components are being registered. set(require usb) if(CONFIG_USB_OTG_SUPPORTED) list(APPEND srcs "cdc_acm_host.c") list(APPEND include "include") endif() idf_component_register(SRCS ${srcs} INCLUDE_DIRS ${include} REQUIRES ${require} )