[petsc-dev] remnants of pkg-config in BuildSystem?

[Jed Brown]

If BLAS is a (direct) dependency, it should be listed in the file.
Regardless of depth, pkgconfig --libs --static thepackage should show it.

Multiple compilers only matters insofar as they have a different ABI.
Different MPIs have different ABIs, and that is my primary complaint about
pkgconfig. They don't seem to think this is very important (or it's too
complicated to get right across all systems so they don't try), but the
natural thing is to keep different pkgconfig databases under different
PKG_CONFIG_PATH.


On Wed, Nov 7, 2012 at 5:25 PM, Barry Smith <bsmith at mcs.anl.gov> wrote:

>
>    Ok, pkg-config seems really really limited anyways, it basically lists
> the libraries and include paths so would be useful if packages provided it
> but there is no place for information about compilers/mpi/blas/etc used to
> build the libraries so is just not very informative for us.
>
>    Barry
>
> On Nov 7, 2012, at 4:46 PM, Matthew Knepley <knepley at gmail.com> wrote:
>
> > On Wed, Nov 7, 2012 at 5:24 PM, Barry Smith <bsmith at mcs.anl.gov> wrote:
> >>
> >>   In BuildSystem I find
> >>
> >>   if hasattr(self, 'usePkgConfig') and
> 'with-'+self.package+'-pkg-config' in self.framework.argDB:
> >>      self.framework.argDB['with-'+self.package] = 1
> >>      self.usePkgConfig()
> >>
> >> and
> >>
> >>    if hasattr(self, 'usePkgConfig'):
> >>      help.addArgument(self.PACKAGE,
> '-with-'+self.package+'-pkg-config=<dir>', nargs.ArgDir(None, None,
> 'Indicate the root directory of the '+self.name+' installation'))
> >>
> >> not signs of any implemented usePkgConfig()
> >>
> >>   Am I missing something or are these just plans that never came to
> fruition?
> >
> > I think I implemented more on my machine for FEniCS SCons but decided
> > it was not the right thing. So yes, you are right.
> >
> >   Matt
> >
> >>   Thanks
> >>
> >>    Barry
> >>
> >
> >
> >
> > --
> > What most experimenters take for granted before they begin their
> > experiments is infinitely more interesting than any results to which
> > their experiments lead.
> > -- Norbert Wiener
>
>
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