NetBSD 2.0, pkgsrc from today:

cc -O2 -I/usr/include -I/usr/local/include   -DDEBUG -DDEBUGJOURNAL 
-DNETBSD -DSYSTYPE=\"NEB\" -DMOUSE -I/usr/local/include/c-client 
-I/usr/include -I/usr/local/include -c imap.c
imap.c: In function `imap_flush_passwd_cache':
imap.c:3042: error: `panicking' undeclared (first use in this function)
imap.c:3042: error: (Each undeclared identifier is reported only once
imap.c:3042: error: for each function it appears in.)
*** Error code 1

Stop.