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Re: [Bug-gnubg] Win SSE2 detection exe

From: Jonathan Kinsey
Subject: Re: [Bug-gnubg] Win SSE2 detection exe
Date: Tue, 15 Sep 2009 14:01:19 +0000

I don't think that's the best approach, people in general will not know what SSE
is and the vast majority will just be able to run the SSE version anyway.

An installer has to be idiot-proof, I know inno-setup isn't that customisable,
ideally just install the SSE versions if the utility passes (otherwise they will
have to go find the non-SSE version).

Of course another option is to re-add the fallback to non-sse code, I'm against
this - hopefully we'll be able to try compiling the whole code with auto-SSE
optimisations soon and then (if it's faster) that version will not be able to
fallback to non-sse.


Massimiliano Maini wrote:
> Two things I could do:
> for each of the 6 exes (gnubg, gnubg-cli, bearoffdump, makebearoff, makeyper
> and makeweights) I can put the 2 versions (sse2 and nosse) in the installer.
> Then create one .bat file that executes one or the other exe depending on the
> outcome of the test. Bad, IMHO.
> Maybe it's simlper to have the installer ASK the user if the wants SSE2 or not,
> and install the appropriate exes. I'll try this.
> MaX.
> 2009/9/15 Michael Petch :
>> On 15/09/09 4:59 AM, "Massimiliano Maini" wrote:
>>> I've more or less dropped the idea of having the installation
>>> automatically choose which exe is needed, InnoSetup makes it a bit
>>> cumbersome.
>> I have one recommendation, and its based on some experience so far. Someone
>> came to me and had GnuBG running on a VIA processor without sse support.
>> Ultimately I had to have them download the no sse files, install them on
>> Vista (which present security headaches because its in c:\program file).
>> After renaming the files everything was fine. The suggestion by the user was
>> "why not have a non sse installer and an sse installer?". If we don't do an
>> sse check and decide for them, maybe make it easier for those who aren't
>> computer savvy by creating a second install for them in the event we ask
>> them to try the other version.
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