[ ] The waspmote-pro board doesn't have the periph_rtc feature:
$ BOARD=waspmote-pro FFLAGS_EXTRA="-F" make -C tests/periph_rtc
make: Entering directory '/home/jdavid/sandboxes/UiO/wsn_riot/RIOT/tests/periph_rtc'
[ ] The remote-revb board doesn't have the periph_rtc feature:
$ BOARD=remote-revb make -C tests/periph_rtc
make: Entering directory '/home/jdavid/sandboxes/UiO/wsn_riot/RIOT/tests/periph_rtc'
There are unsatisfied feature requirements: periph_rtc
[x] The feather-m0 board does have the periph_rtc feature:
$ BOARD=feather-m0 make -C tests/periph_rtc
make: Entering directory '/home/jdavid/sandboxes/UiO/wsn_riot/RIOT/tests/periph_rtc'
Building application "tests_periph_rtc" for "feather-m0" with MCU "samd21".
[...]
text data bss dec hex filename
19200 136 5668 25004 61ac /home/jdavid/sandboxes/UiO/wsn_riot/RIOT/tests/periph_rtc/bin/feather-m0/tests_periph_rtc.elf
make: Leaving directory '/home/jdavid/sandboxes/UiO/wsn_riot/RIOT/tests/periph_rtc'