Date: Fri, 1 Jul 2016 09:57:17 -0400 From: John Baldwin <jhb@FreeBSD.org> To: freebsd-arch@freebsd.org Subject: Re: Build work 11.0 plans status update Message-ID: <e027e2fd-915e-c0d6-f727-4bc5edde2bde@FreeBSD.org> In-Reply-To: <0d639d52-3ed4-a86d-3d45-b93c02939ce7@FreeBSD.org> References: <201605270001.u4R01mKT087678@repo.freebsd.org> <fb451ad5-da16-cdbe-6106-8b67705600b3@FreeBSD.org> <20160527182543.GB4025@FreeBSD.org> <0d639d52-3ed4-a86d-3d45-b93c02939ce7@FreeBSD.org>
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On 6/30/16 12:42 PM, Bryan Drewery wrote:
> (bcc'd some specific interested parties)
>
> This is from a private mail I sent to re@ a while back and is a status
> update for upcoming work.
>
>> On Fri, May 27, 2016 at 11:18:58AM -0700, Bryan Drewery wrote:
>>> Heads up, I intend to continue adding a few new features during the
>>> slush/stable period since they are so impactful. They will be
>>> off-by-default for stable/11 at this point I guess. I feel this is fine
>>> since it is not ABI-related.
>>>
>>> - AUTO_OBJ: For subdir builds and buildworld, automatically create obj
>>> dirs without needing 'make obj'. I wanted to enable this by default but
>>> can wait for the branch to be created. There is some work pending for this.
Will there be a way to disable use of /usr/obj if desired?
Normally I do want it, but sometimes I don't. One of my use cases is when
I have a src tree mounted via NFS into a VM guest and /usr/obj is private
to the guest. Being able to build "in-tree" in a work checkout means that
the binary is available on the host so I can run a debugger against it,
and/or I can build the binary in one place and run it in both.
For my work with gdb which uses auto*, I use a 'obj' subdir of the checkout
which is akin to what Simon suggests, but I can do that on a per-tree basis
without having to set various env vars or having to specify make vars on each
make invocation.
Also, when building random little source files ('vi foo.c' / 'make foo') it's
handy to be able to ./foo instead of /usr/obj/<tab><tab><tab>/foo to find
the binary I just built.
--
John Baldwin
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