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Subject: Re: svn commit: r303755 - head/sys/kern
To: John Baldwin <jhb@freebsd.org>, Bryan Drewery <bdrewery@freebsd.org>
References: <201608041914.u74JEIOR071062@repo.freebsd.org>
 <1631194.6AMpXoHEiR@ralph.baldwin.cx>
Cc: src-committers@freebsd.org, svn-src-all@freebsd.org,
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From: Julian Elischer <julian@freebsd.org>
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Date: Fri, 5 Aug 2016 13:06:22 +0800
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On 5/08/2016 8:07 AM, John Baldwin wrote:
> On Thursday, August 04, 2016 07:14:18 PM Bryan Drewery wrote:
>> Author: bdrewery
>> Date: Thu Aug  4 19:14:18 2016
>> New Revision: 303755
>> URL: https://svnweb.freebsd.org/changeset/base/303755
>>
>> Log:
>>    Still provide freebsd10_* symbols from libc for COMPAT10.
>>    
>>    r296773 was done to only remove libc symbols for <7.  We want to provide
>>    the syscall symbols going forward for 7+.
> In particular, binaries from FreeBSD versions older than 7 do not link
> against libc.so.7.  However, we want compat system call symbols in libc.so.7
> for COMPAT_FREEBSD7 and later in case a shim is needed to implement an
> older version of a libc symbol via symver_compat().
>
personally I'd rather we drove a stake through the heart of symbol 
versioning and
went back to how it was, when one could work out what was going on.
I certainly miss the ability to get the openssl package to overwrite 
the base one,
which I'm told is no longer possible due to versioning.