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Date:      Mon, 23 May 2016 21:09:49 -0700
From:      Bryan Drewery <bdrewery@FreeBSD.org>
To:        cem@FreeBSD.org, Alan Somers <asomers@freebsd.org>
Cc:        Kurt Lidl <lidl@pix.net>, John Baldwin <jhb@freebsd.org>, "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: r299090 - in head: etc/mtree include lib/libbluetooth sbin/hastd share/man/man3 sys/dev/xen/blkback sys/kern sys/net sys/sys tests/sys tests/sys/sys usr.sbin/bluetooth/hccontrol
Message-ID:  <fa854dad-21c0-2056-494f-c95f99f03aab@FreeBSD.org>
In-Reply-To: <CAG6CVpXAfbf_bONUh9nsonEUpT%2B14zMfp6saRZTmVAjHJB1isw@mail.gmail.com>
References:  <201605042234.u44MYBMX054443@repo.freebsd.org> <2368543.Vvp613SNcD@ralph.baldwin.cx> <684f4a82-f48c-b2bb-6a72-5c1dfea11a39@pix.net> <CAOtMX2iKmX9yOg5P5931E2JSRgS2QO4wRDuE8SmcvmR4JxO_Fw@mail.gmail.com> <8074ef26-cb70-2397-b71e-b897a1270d22@FreeBSD.org> <CAOtMX2iJPZS8YY6sLZVi4SsCPYJH6LVtu0Lgj5MWbsP73Jt8Tw@mail.gmail.com> <CAG6CVpXAfbf_bONUh9nsonEUpT%2B14zMfp6saRZTmVAjHJB1isw@mail.gmail.com>

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On 5/23/16 4:42 PM, Conrad Meyer wrote:
> On Mon, May 23, 2016 at 4:34 PM, Alan Somers <asomers@freebsd.org> wrote:
>> On Mon, May 23, 2016 at 5:13 PM, Bryan Drewery <bdrewery@freebsd.org> wrote:
>>>
>>> On 5/23/16 1:30 PM, Alan Somers wrote:
>>>> UPDATING is updated as of r300539.  Any objection to merging this to
>>>> stable/10?
>>>
>>> If any port uses it then yes.  Binaries are built from 10.1 and expected
>>> to work on 10.1, 10.2, 10.3, 10.4, etc.
>>
>>
>> Most ports that use bitstring should work.  The only ports that won't are
>> ports that either store bitstrings on disk or transmit them across a network
>> without an explicit serialization step.  A few other weird cases would break
>> too, like building a port on 10.3, updating sys/bitstring.h, then rebuilding
>> some object files but not others.  Is there any way to figure out what ports
>> might be using this header?  OpenHub code search didn't turn up anything.
> 
> It seems to me like this is exactly the sort of ABI breakage the
> stable/* branches promise not to make.

I just noticed that this is not a library. It's only macros. So I take
back what I said.


-- 
Regards,
Bryan Drewery



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