[mpich-discuss] Building MPICH 3.2 on Power8 with PGI

[Jeff Hammond]

Does this compiler support C11? I have a port of OpenPA (it's on
github) that uses C11 atomics...

Jeff

On Wednesday, March 23, 2016, Bader, Reinhold <Reinhold.Bader at lrz.de> wrote:

> Dear MPICH developers,
>
>
>
> I am currently trying to build MPICH 3.2 with the PGI 16.3 beta release on
> little-endian Power8 running Ubuntu.
>
> I am failing with this in the configure stage. I have tried the following
> two:
>
>
>
> ./configure --prefix=/opt/mpich_pgi --with-pm=hydra CC=pgcc FC=pgfortran
> CPP="pgcc -E"
>
>
>
> This fails with a compilation error that can be reproduced with the
> following program:
>
>
>
> #define int8_t signed char
>
> #include <sys/types.h>
>
> int main ()
>
> {
>
>   return 0;
>
> }
>
>
>
> … with an obviously misplaced macro definition for int8_t.
>
>
>
> The second scenario uses
>
> ./configure --disable-cxx --prefix=/opt/mpich_pgi_nocxx --with-pm=hydra
> CC=pgcc FC=pgfortran CPP="pgcc -E"
>
>
>
> and fails with the error message
>
> “checking for OpenPA atomic primitive availability... no
>
> configure: error:
>
> The ch3 device was selected yet no native atomic primitives are
>
> available on this platform.  OpenPA can emulate atomic primitives using
>
> locks by specifying --with-atomic-primitives=no but performance will be
>
> very poor.  This override should only be specified for correctness
>
> testing purposes.”
>
>
>
> Unfortunately the config.log only shows an exit status of 1, and not any
> compiler error message or test program
> that contains executable statements.
>
>
>
> Any ideas?
>
>
>
> Regards
>
>
>
>
>
> --
>
> Dr. Reinhold Bader
>
> Leibniz Supercomputing Centre (http://www.lrz.de) / HPC Systems and
> Services
>
> Tel.: 0049 89 35831 8825  Fax: 8625
>
>
>


-- 
Jeff Hammond
jeff.science at gmail.com
http://jeffhammond.github.io/
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