uname - Allow varsym overrides
authorMatthew Dillon <dillon@apollo.backplane.com>
Tue, 17 Jan 2012 02:42:26 +0000 (18:42 -0800)
committerMatthew Dillon <dillon@apollo.backplane.com>
Tue, 17 Jan 2012 02:42:26 +0000 (18:42 -0800)
commitcd2754a916683b57acdb5300fb4ccf036a28452b
tree026a02f22e200096c42cfff953c60dc40147acac
parent2f5c5b87d512dff27a8ab2b5bddb25a6a1c488a1
uname - Allow varsym overrides

* A varsym named UNAME_<opt> will override a uname option, similar to
  how environment variables override a uname option.  Environment variables
  take priority.
usr.bin/uname/uname.1
usr.bin/uname/uname.c