Date: Fri, 23 Oct 2015 08:25:51 -0600 From: Ian Lepore <ian@freebsd.org> To: Bryan Drewery <bdrewery@FreeBSD.org> Cc: "src-committers@freebsd.org" <src-committers@freebsd.org>, "svn-src-all@freebsd.org" <svn-src-all@freebsd.org>, "svn-src-head@freebsd.org" <svn-src-head@freebsd.org> Subject: Re: svn commit: r289778 - head/share/mk Message-ID: <1445610351.91534.1.camel@freebsd.org> In-Reply-To: <6847681E-3E85-40B9-BF9D-2FF4C6DE4AC9@FreeBSD.org> References: <201510222341.t9MNfuNK007465@repo.freebsd.org> <1445558386.14963.38.camel@freebsd.org> <232D9171-D360-4110-8682-6B371D9F9CAC@FreeBSD.org> <6847681E-3E85-40B9-BF9D-2FF4C6DE4AC9@FreeBSD.org>
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On Thu, 2015-10-22 at 17:21 -0700, Bryan Drewery wrote: > > On Oct 22, 2015, at 17:18, Bryan Drewery <bdrewery@FreeBSD.org> > > wrote: > > > > > > > > > > On Oct 22, 2015, at 16:59, Ian Lepore <ian@freebsd.org> wrote: > > > > > > > > On Thu, 2015-10-22 at 23:41 +0000, Bryan Drewery wrote: > > > > Author: bdrewery > > > > Date: Thu Oct 22 23:41:56 2015 > > > > New Revision: 289778 > > > > URL: https://svnweb.freebsd.org/changeset/base/289778 > > > > > > > > Log: > > > > For SUBDIR_PARALLEL, when doing 'make clean*' or 'make obj' > > > > there > > > > is no need to > > > > respect SUBDIR_DEPEND_* or .WAIT. > > > > > > > > MFC after: 2 weeks > > > > Sponsored by: EMC / Isilon Storage Division > > > > > > This doesn't feel so safe. People override these targets and do > > > who > > > -knows-what with them. The clean* seems especially risky since > > > it will > > > match targets in end-user makefiles that you don't even know > > > about. > > I can also not apply to SUBDIR_TARGETS which is the user-defined > targets list. (Misspelled and should be LOCAL_SUBDIR_TARGETS) > That might be a good idea. When I grepped our devel/mk directory, SUBDIR_TARGETS was where I saw a number of things that would match clean* (I didn't look into exactly what they do). -- Ian > > > > > > -- Ian > > > > I can limit it to src tree builds if you want. > > > > I cannot imagine any situation where "clean<something>" depends on > > another directory going first. > > > > Similarly it makes sense to always build subdirs in parallel with > > 'obj' and I would argue 'clean*' too, regardless of > > SUBDIR_PARALLEL. I only just realized that. Yes there are mkdir -p > > and rm -f races, but we have not added any dependencies because of > > these as is. > >
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