buildworld - Fix bootstrapping from older worlds
authorMatthew Dillon <dillon@apollo.backplane.com>
Sat, 1 Aug 2015 18:51:39 +0000 (11:51 -0700)
committerMatthew Dillon <dillon@apollo.backplane.com>
Sat, 1 Aug 2015 18:51:39 +0000 (11:51 -0700)
commitf1fee7c557f3fed15d63c8cdb7e2e9703b984731
tree5eddae40e7adb965c2f7d5726e798b7069eaf904
parent5315821b0012cb9876a46637e990e8e28e1ac461
buildworld - Fix bootstrapping from older worlds

* __returns_twice doesn't exist in older sys/cdefs.h, fix bootstrapping by
  shoehorning a default if it does not exist.
include/setjmp.h
include/unistd.h