[csw-maintainers] Buildfarm setup - documentation

[Dagobert Michelsen]

Hi Yann,

Am 03.10.2013 um 15:41 schrieb Yann Rouillard <yann at pleiades.fr.eu.org>:
> openssl has it own build system with specific build flags, that must be the reason why it requires SSE2 and SSE and not most other binaries.
> I will look for the options at fault.
> 
> But BTW what is our policy concerning enabling of SSE/SSE2 ?

I guess we don't have one yet.

> I didn't have a complain so far about it and I suspect that this set of instructions helps to speed up some cryptographic codes in openssl, so I wonder if this is a good idea to remove them.

Adding another ISA as option will probably take quite some time.
Peter, do you think your use case is common enough to justify the
extra work for Yann? Would using a VM on a more modern machine
be also possible?


Best regards

  -- Dago

> 
> Yann
> 
> 
> 
> 
> 2013/10/3 Laurent Blume <laurent at opencsw.org>
> On 03/10/13 14:51, Peter FELECAN wrote:
> This is not an emulation but real "metal". No so old either, well not in
> real historical time ... 10 years. BTW, it supports SSE, see
> http://en.wikipedia.org/wiki/AMD_Athlon_XP_3200%2B#Athlon_XP_.22Barton.22_.28Model_10.2C_130_nm.29
> , consequently I don't get what the message conveys.
> 
> 
> It supports SSE, but it is really obsolete and does not support SSe2, and that library needs it:
> $ file /opt/csw/lib/libcrypto.so.1.0.0
> /opt/csw/lib/libcrypto.so.1.0.0:        ELF 32-bit LSB dynamic lib 80386 Version 1 [SSE2 SSE MMX CMOV FPU], dynamically linked, stripped
> 
> I think that's probably a mistake, since so far, I've seen even SSE avoided for the 32 bit binaries.
> 
> Laurent
> 
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