dolfin team mailing list archive

[Anders Logg <logg@xxxxxxxxx>]

On Tue, Aug 17, 2010 at 07:06:43PM +0200, Anders Logg wrote:
> On Tue, Aug 17, 2010 at 06:01:46PM +0100, Garth N. Wells wrote:
> > On Tue, 2010-08-17 at 18:46 +0200, Anders Logg wrote:
> > > Why do we need to set PETSC_ARCH? We didn't before. Is there a way to
> > > figure it out?
> > >
> >
> > In general, no. It's possible (and common) to have a debug and an
> > optimised version installed side-by-side (there are more possibilities)
> > than just optimised and debug). The libs go in
> >
> >   ${PETSC_DIR}/${PETSC_ARCH}/lib
> >
> > If you do a regular
> >
> >    ./configure --prefix=/foo/bar
> >
> > then I don't think that it's required since there will be not
> > distinction between a debug and an optimised version.
>
> There seems to be some code for searching for PETSC_ARCH in the
> FindPETSc script:
>
> set (_petsc_arches
>     $ENV{PETSC_ARCH}                   # If set, use environment
>     variable first
>     ${DEBIAN_FLAVORS}  # Debian defaults
>     x86_64-unknown-linux-gnu i386-unknown-linux-gnu)
>
> But it doesn't include the following two options that we have in the
> old Scons script:
>
> elif os.path.exists(getPetscDir(sconsEnv=sconsEnv)+"/linux-gnu-c-opt"):
>         return "linux-gnu-c-opt"
> elif os.path.exists(getPetscDir(sconsEnv=sconsEnv)+"/lib/linux-gnu-c-opt"):
>         return "linux-gnu-c-opt"

I see now these two are included in debian_arches.

--
Anders

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