BOARD=arduino-mkrfox1200 make -C examples/hello-world/ info-debug-variable-USEMODULE --no-print-directory | grep auto_init_usbus
auto_init auto_init_usbus board boards_common_arduino-mkr boards_common_samd21-arduino-bootloader core core_init core_msg core_panic core_thread_flags cortexm_common cortexm_common_periph cpu event isrpipe newlib newlib_nano newlib_syscalls_default periph periph_common periph_gpio periph_init periph_init_common periph_init_gpio periph_init_init periph_init_pm periph_init_usbdev periph_pm periph_usbdev pm_layered sam0_common_periph stdio_cdc_acm sys tsrb usb_board_reset usbus usbus_cdc_acm

make -C tests/usbus_cdc_ecm/ info-debug-variable-USEMODULE --no-print-directory | grep auto_init_usbus
auto_init auto_init_gnrc_ipv6 auto_init_gnrc_ipv6_nib auto_init_gnrc_netif auto_init_gnrc_pktbuf auto_init_random auto_init_usbus auto_init_xtimer board core core_init core_msg core_panic core_thread_flags cortexm_common cortexm_common_periph cpu div event evtimer fmt gnrc gnrc_icmpv6 gnrc_icmpv6_echo gnrc_ipv6 gnrc_ipv6_hdr gnrc_ipv6_nib gnrc_ipv6_nib_router gnrc_ipv6_router gnrc_ipv6_router_default gnrc_ndp gnrc_netapi gnrc_netif gnrc_netif_ethernet gnrc_netif_hdr gnrc_netif_init_devs gnrc_netreg gnrc_pkt gnrc_pktbuf gnrc_pktbuf_static icmpv6 inet_csum iolist ipv6_addr ipv6_hdr isrpipe l2util luid netdev_eth netif newlib newlib_nano newlib_syscalls_default periph periph_common periph_cpuid periph_gpio periph_init periph_init_common periph_init_cpuid periph_init_gpio periph_init_init periph_init_pm periph_init_timer periph_init_uart periph_init_usbdev periph_pm periph_timer periph_uart periph_usbdev pm_layered prng prng_tinymt32 ps random sam0_common_periph shell shell_commands stdin stdio_uart stdio_uart_rx sys tinymt32 tsrb usbus usbus_cdc_ecm xtimer

make -C tests/usbus_cdc_acm_stdio/ info-debug-variable-USEMODULE --no-print-directory | grep auto_init_usbus
auto_init auto_init_usbus board core core_init core_msg core_panic core_thread_flags cortexm_common cortexm_common_periph cpu event isrpipe newlib newlib_nano newlib_syscalls_default periph periph_common periph_gpio periph_init periph_init_common periph_init_gpio periph_init_init periph_init_pm periph_init_usbdev periph_pm periph_usbdev pm_layered ps sam0_common_periph shell shell_commands stdin stdio_cdc_acm sys tsrb usbus usbus_cdc_acm

DISABLE_MODULE=auto_init_usbus make -C tests/usbus_cdc_acm_stdio/ info-debug-variable-USEMODULE --no-print-directory | grep auto_init_usbus
#empty