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Date:      Thu, 26 May 2016 20:04:56 -0700
From:      Ngie Cooper <yaneurabeya@gmail.com>
To:        Allan Jude <allanjude@freebsd.org>
Cc:        "Conrad E. Meyer" <cem@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>, "gjb >> Glen Barber" <gjb@freebsd.org>
Subject:   Re: svn commit: r300773 - in head/sys: crypto crypto/aesni crypto/sha2 crypto/siphash kern sys
Message-ID:  <CAGHfRMA4y_7NAe4ZiZaCOaKxq7tsNz%2BSjaMJX%2BP5Aox=r%2BMJ7w@mail.gmail.com>
In-Reply-To: <0f2c3d10-d2dd-3f76-982f-91fbeeb5f3db@freebsd.org>
References:  <201605261929.u4QJTTV5085421@repo.freebsd.org> <0f2c3d10-d2dd-3f76-982f-91fbeeb5f3db@freebsd.org>

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On Thu, May 26, 2016 at 7:35 PM, Allan Jude <allanjude@freebsd.org> wrote:
> On 2016-05-26 15:29, Conrad E. Meyer wrote:
>> Author: cem
>> Date: Thu May 26 19:29:29 2016
>> New Revision: 300773
>> URL: https://svnweb.freebsd.org/changeset/base/300773
>>
>> Log:
>>   crypto routines: Hint minimum buffer sizes to the compiler
>>
>>   Use the C99 'static' keyword to hint to the compiler IVs and output digest
>>   sizes.  The keyword informs the compiler of the minimum valid size for a given
>>   array.  Obviously not every pointer can be validated (i.e., the compiler can
>>   produce false negative but not false positive reports).
>>
>>   No functional change.  No ABI change.
>>
>>   Sponsored by:       EMC / Isilon Storage Division

...

> This seems to have broken on sparc64, and other gcc based arches:
>
> ===> lib/libc (obj,all,install)
> In file included from /usr/src/lib/libc/../libmd/md5.h:40,
>                  from /usr/src/lib/libc/../libmd/md5c.c:42:
> /usr/obj/sparc64.sparc64/usr/src/tmp/usr/include/sys/md5.h:47:
> error: static or type qualifiers in abstract declarator
> --- md5c.o ---
> *** [md5c.o] Error code 1

I was wondering about that in the original commit. It might be a good
idea to revert both commits and reintroduce them with another keyword
(i.e. __static, or something in sys/cdefs.h )
Thanks,
-Ngie



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