Date: Thu, 22 Dec 1994 17:00:44 +1100 From: Bruce Evans <bde@zeta.org.au> To: hackers@freebsd.org, roberto@blaise.ibp.fr Subject: Re: Cleaning the compile/whatever directory before config. Message-ID: <199412220600.RAA29838@godzilla.zeta.org.au>
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>Is is necessary now ? I know it used to be and wonder if we can skip it >now... It may be necessary to recompile everything if an option has changed. `make clean' after running config should be enough to ensure this. The only difference between `make clean' after config and `rm -rf' before config should be that first version doesn't remove obsolete files, `version', or anything that you've changed (I like to change the symlinks and keep old error output in the compile directory). I usually do `cd /sys/i386/conf; cp MYCONFIG z; config z; for i in /sys/compile/z/*; do cmp $i /sys/compile/MYCONFIG/$i; done' to find changes and only recompile everything if important options have changed. This hasn't caused any problems between version 2.0 #1 (Aug 1) and version 2.1 #468 (Dec 22). Most of the files generated by config are dated Aug 1. Bruce
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