Date: Wed, 10 Jun 2009 10:24:46 +0000 (UTC) From: "Bjoern A. Zeeb" <bz@FreeBSD.org> To: Bruce Evans <brde@optusnet.com.au> Cc: svn-src-head@FreeBSD.org, svn-src-all@FreeBSD.org, src-committers@FreeBSD.org Subject: Re: kmod.mk - modules build framework [was: svn commit: r193818 - head/sys/modules/sound/sound] Message-ID: <20090610102419.Q22887@maildrop.int.zabbadoz.net> In-Reply-To: <20090610101009.N22887@maildrop.int.zabbadoz.net> References: <200906090903.n5993D3E062579@svn.freebsd.org> <20090609090541.D22887@maildrop.int.zabbadoz.net> <20090610175011.E20224@delplex.bde.org> <20090610101009.N22887@maildrop.int.zabbadoz.net>
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On Wed, 10 Jun 2009, Bjoern A. Zeeb wrote: > On Wed, 10 Jun 2009, Bruce Evans wrote: > >> On Tue, 9 Jun 2009, Bjoern A. Zeeb wrote: >> >>> On Tue, 9 Jun 2009, Bjoern A. Zeeb wrote: >>>> Log: >>>> Depend on @ machine (_ILINKS) as we do with other modules so that @ >>>> is there for parallel (-jN) builds. Ideally beforedepends in kmod.mk >>>> should do the right thing but it seems it does not. >>> >>> Anyone with lots of build framework know how may want to look at this. >> >> Failures only for parallel builds normally mean missing dependencies. >> >>>> -feeder_eq_gen.h: >>>> +feeder_eq_gen.h: @ machine >>>> ${AWK} -f @/tools/feeder_eq_mkfilter.awk -- ${FEEDER_EQ_PRESETS} > >>>> ${.TARGET} >> >> Here there is still a missing dependency on the >> @/tools/feeder_eq_mkfilter.awk (fixed in the next commit). This dependency >> is not very important, but since the utility has "@" in its pathname, >> running it certainly depends on "@". > > And adding it again messes with @ not being there for parallel > builds:( > > Or in other words: > > ===> sound (depend) > ===> sound/sound (depend) > make: don't know how to make @/tools/sound/feeder_eq_mkfilter.awk. Stop > *** Error code 2 > 1 error > *** Error code 2 > 1 error > *** Error code 2 I forgot to mention that the way we currently seem to handle this is: http://people.freebsd.org/~bz/20090610-02-sound-Makefile.diff > > >> This missing dependency seems to be a general bug. There is an ordering >> requirement that beforedepend is before built before ${DEPENDFILE}, >> but this apparently doesn't extend to ${DEPENDFILE}'s prerequisites, >> and I don't know of any general way to make it do so and it probably >> shouldn't do so in general (some of the prerequisites might be needed >> before beforedepend). > > Well no; that should not be the case. I would say that would be a bug > as beforedepnd only adds the @ and machine symlinks to my memory from > reading the other day. > > > All after all that's why I said this needs someone with the devotion > to sort all this out, know what the right way to do things is, have > the time, .. > > -- Bjoern A. Zeeb The greatest risk is not taking one.
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