Re: [petsc-dev] Using multiple mallocs with PETSc

Fri, 10 Mar 2017 18:54:51 -0800 

  Why should Apple support some crappy programming model?

> On Mar 10, 2017, at 8:52 PM, Jeff Hammond <[email protected]> wrote:
> 
>> 
>>  Disappointing on my Mac.
>> 
>> WARNING: Could not locate OpenMP support. This warning can also occur if 
>> compiler already supports OpenMP
>> checking omp.h usability... no
>> checking omp.h presence... no
>> checking for omp.h... no
>> omp.h is required for this library
>> 
> 
> Blame Apple for not supporting OpenMP in their system compiler. You need to 
> Homebrew GCC or recent Clang to get OpenMP on Mac. Or you can install Intel 
> (or PGI <ducks>).
> 
> Even if you get past this, you may run into other issues, which I captured on 
> https://github.com/memkind/memkind/issues/34 a while ago. If libnuma is still 
> a mandatory dependency, it's not available on Mac.
> 
> Jeff

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