These days pcc defines __GNUC__ and we don't support gcc2. Also needed for upcoming CompCert port.
These days pcc defines __GNUC__ and we don't support gcc2. Also needed
for upcoming CompCert port.

Final version of the diff is from kettenis@ with input from jsg@ and tedu@.

ok kettenis@, jsg@, "I agree" millert@

orumin/openbsd-efivars,orumin/openbsd-efivars,orumin/openbsd-efivars,orumin/openbsd-efivars