Date: Fri, 22 Apr 2005 23:16:15 +0300 From: Ruslan Ermilov <ru@freebsd.org> To: Marcel Moolenaar <marcel@xcllnt.net> Cc: cvs-all@freebsd.org Subject: Re: cvs commit: src/usr.sbin/config main.c Message-ID: <20050422201615.GD23926@ip.net.ua> In-Reply-To: <1b042838f6396ae9665fcb2f41f1c9a7@xcllnt.net> References: <20050422.114615.71130404.imp@bsdimp.com> <20050422175324.GA32739@ip.net.ua> <20050422184922.GA41457@ns1.xcllnt.net> <20050422.125712.78748765.imp@bsdimp.com> <20050422200341.GA23926@ip.net.ua> <1b042838f6396ae9665fcb2f41f1c9a7@xcllnt.net>
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On Fri, Apr 22, 2005 at 01:08:14PM -0700, Marcel Moolenaar wrote:
> On Apr 22, 2005, at 1:03 PM, Ruslan Ermilov wrote:
>
> >>>What exactly is broken? I don't see a breakage, even when source
> >>>files disappeared. I assume I must be forgetting something or not
> >>>doing everything right.
> >>
> >>when an include file is removed, make depend can fail to recreate
> >>.depend in the modules.
> >>
> >This is only a problem with NO_CLEAN builds, and it's not limited
> >to just modules -- I often saw this problem with the world builds.
>
> Ok. Does it help if there's an option to make that supresses the
> automatic loading on .depend or more generically, allows one to
> name the depend file and it merely defaults to .depend (suppression
> is then accomplished by specifying /dev/null as the depend file)?
> If such option would be used for "make depend", would that resolve
> the problems in a generic way?
>
Nope. We only regenerate .depend when its dependencies are
changed. For bsd.prog.mk, this means that .depend is only
regenerated when some of ${SRCS} are changed (but this does
NOT cover headers these ${SRCS} include, and some of these
headers may disappear).
To put it differently: when a header disappears, the breakage
is not at the "make depend" stage (which doesn't do anything),
but at a later "make all" stage.
I personally fail to see how this can be solved... :-(
Cheers,
--
Ruslan Ermilov
ru@FreeBSD.org
FreeBSD committer
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