[llvm-dev] lit conditional compilation/checking?

[<Alexander G. Riccio> via llvm-dev]

>
> It doesn't seem like that works as I'd expect: an #if defined(_WIN32)
> didn't seem to fire on my local Windows machine. What #defines can I use?
>

Nevermind, I'm an idiot. It's working fine 😣

Sincerely,
Alexander Riccio
--
"Change the world or go home."
about.me/ariccio

<http://about.me/ariccio>
If left to my own devices, I will build more.
⁂

On Thu, Apr 14, 2016 at 5:42 PM, <Alexander G. Riccio> <test35965 at gmail.com>
wrote:

> Clang should be setting up the usual preprocessor defines based on the
>> target.
>>
> placeholder text
> It doesn't seem like that works as I'd expect: an #if defined(_WIN32)
> didn't seem to fire on my local Windows machine. What #defines can I use?
>
> Sincerely,
> Alexander Riccio
> --
> "Change the world or go home."
> about.me/ariccio
>
> <http://about.me/ariccio>
> If left to my own devices, I will build more.
> ⁂
>
> On Wed, Apr 13, 2016 at 7:05 PM, Robinson, Paul <
> Paul_Robinson at playstation.sony.com> wrote:
>
>> Clang should be setting up the usual preprocessor defines based on the
>> target.  So, you can bracket chunks of C/C++ source in a lit test with #if
>> to guard target-dependent stuff.  Charles Li has been updating a bunch of
>> tests to have sections guarded by tests on the value of __cplusplus, for
>> example (e.g. see r266239).
>>
>> If you're asking about conditionally executing RUN lines, I don't think
>> there's a way to do that; you'd need to split the new stuff into its own
>> file and use REQUIRES to set the correct conditions.
>>
>> --paulr
>>
>>
>>
>> *From:* llvm-dev [mailto:llvm-dev-bounces at lists.llvm.org] *On Behalf Of *<Alexander
>> G. Riccio> via llvm-dev
>> *Sent:* Wednesday, April 13, 2016 1:56 PM
>> *To:* llvm-dev
>> *Subject:* [llvm-dev] lit conditional compilation/checking?
>>
>>
>>
>> How can I platform-conditionally compile/check sections of code with lit?
>> Can I rely on preprocessor defines like _WIN32?
>>
>>
>>
>> Specifically, I'm adding new tests to existing lit tests, but the new
>> tests should only be compiled and run on Windows.
>>
>>
>>
>>
>> Sincerely,
>> Alexander Riccio
>> --
>> "Change the world or go home."
>>
>> about.me/ariccio
>>
>>
>> <http://about.me/ariccio>
>>
>> If left to my own devices, I will build more.
>>
>> ⁂
>>
>
>
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