cdefs.h: ignore known rcs id macros
authorFranco Fichtner <franco@lastsummer.de>
Fri, 3 Jan 2014 10:47:08 +0000 (11:47 +0100)
committerFranco Fichtner <franco@lastsummer.de>
Fri, 3 Jan 2014 10:48:23 +0000 (11:48 +0100)
commitd9795318e5b7abd02d912afbe5a8bf788f3c32b4
tree52408026f5da6441b5d2b8e26f0d45307e468a68
parent7f3d8d5546c701eceefe4437a49ffa6f01c7aa09
cdefs.h: ignore known rcs id macros

This helps to retain history, reduces FreeBSD porting diffs
slightly and won't introduce binary changes.  Adjust the
porting doc accordingly.

Discussed-with: swildner
Taken-from:     FreeBSD
doc/porting_drivers.txt
sys/sys/cdefs.h