dolfin team mailing list archive

[Johan Hake <johan.hake@xxxxxxxxx>]

On a related note:

Is it possible to not print the PETSC_ARCH when it is empty. 

  message(STATUS "PETSC_ARCH=${PETSC_ARCH}")

While it is informative, it is kind off anoying to get 

  PETSC_ARCH=

when configuring PETSc.

Johan

On Tuesday August 17 2010 10:17:29 Anders Logg wrote:
> 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