[LLVMdev] Windows development and "virus" in LLVM test suite

[Mikael Lyngvig]

Well, I actually ended up writing a compromise of compromises:

The recommended course of action is that you do this:

#. Disable your anti-virus solution.
#. Pull the LLVM test suite from the `LLVM website <http://www.llvm.org>`_.
#. Add the file
``%LLVMDIR%\\projects\\test-suite\\MultiSource\\Applications\\ClamAV\\inputs\\rtf-test\\rtf1.rtf``
   to your anti-virus ignore list.  Alternatively, you can, at your own
   responsibility, add the entire ``%LLVMDIR%`` directory tree to your
   anti-virus solution's ignore list.  This will likely speed up your
   builds as the anti-virus solution does not need to inspect each and every
   file over and over again while building.

So, we're covered in all cases.  I think the antivirus was the reason that
an LLVM build just took about an hour on my Core i7.  Normally it only
takes like twenty or thirty minutes IF I recall correctly.

2012/6/16 Joshua Cranmer <pidgeot18 at gmail.com>

>  On 6/15/2012 8:12 PM, Mikael Lyngvig wrote:
>
>  Not having an AV or swithching it off at times is not a sign of
>> stupidity. The best antivirus is a mindful, knowledgeable user. And the
>> antivirus doesn't really protect you in case of risky behavior.
>>
>
>  I couldn't have said it better myself.  I've had three viruses in 29
> years and only one of them was my own fault. I've spent hours trying to
> explain people that trusting an antivirus solution is unfortunate at best.
>
>
>> Yes, if the antivirus accepts an exception for a yet nonexistent file. I
>> bet most of them won't do that without fiddling with configuration
>> files.
>>
>
>  Ok.  You get it your way :-)  Disable antivirus, checkout, and then add
> the offending file to the exclusion list.
>
>
> A better rule of thumb I would say is to exclude the entire source and
> build directories from antivirus. On-access file scan hurts build times a
> fair amount, and I really doubt that any of your source code is going to
> have viruses in them :-P
>
> --
> Joshua Cranmer
> News submodule owner
> DXR coauthor
>
>
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