Plan 9 from Bell Labs’s /usr/web/sources/contrib/gabidiaz/root/sys/src/cmd/perl/ext/POSIX/hints/openbsd.pl
# BSD platforms have extra fields in struct tm that need to be initialized. # XXX A Configure test is needed. $self->{CCFLAGS} = $Config{ccflags} . ' -DSTRUCT_TM_HASZONE' ;