Re: [boost] [mpi] Naming of Python extension

Subject: Re: [boost] [mpi] Naming of Python extension
From: Matthias Troyer (troyer_at_[hidden])
Date: 2011-01-25 19:44:33

On Jan 25, 2011, at 12:53 PM, Vladimir Prus wrote:

> 
> At present, when both mpi and python are configured/detected, Boost.MPI tries to build a python
> extension which is named, on Linux, mpi.so. When building with --build-type=complete, an
> attempt to build that file with several properties is made, which Boost.Build detects and
> complains about. 
> 
> This was the case for several releases, and nobody seemed to care, but it's still not good.
> So, could Boost.MPI maintainers express their preference for either:
> 
> - Building one variant of mpi.so, no matter what, in which case what variable (debug/release,
> single/multi threaded)?
> - Building several, differently named or installed in different places, variants of mpi.so

I would suggest several versions, with the same name but installed in different places. This
will allow multiple builds (especially debug / release), without requiring all import statements
in the Python codes to be changed to switch version.

Matthias