dolfin team mailing list archive

[Kristian Oelgaard <k.b.oelgaard@xxxxxxxxxx>]

Quoting Johannes Ring <johannr@xxxxxxxxx>:

> On Mon, March 31, 2008 Kristian Oelgaard wrote:
> > Quoting Anders Logg <logg@xxxxxxxxx>:
> >
> >> On Mon, Mar 31, 2008 at 02:18:58PM +0100, Garth N. Wells wrote:
> >> >
> >> >
> >> > Anders Logg wrote:
> >> > > On Mon, Mar 31, 2008 at 02:26:51PM +0200, DOLFIN wrote:
> >> > >> One or more new changesets pushed to the primary dolfin repository.
> >> > >> A short summary of the last three changesets is included below.
> >> > >>
> >> > >> changeset:   3832:f2ce62a937ac545255038c9fe6f74ecf639046d7
> >> > >> tag:         tip
> >> > >> user:        "Ola Skavhaug <skavhaug@xxxxxxxxx>"
> >> > >> date:        Mon Mar 31 14:28:34 2008 +0200
> >> > >> files:       demo/mesh/meshfunction/cpp/SConstruct
> >> > >> description:
> >> > >> Add build file.
> >> > >
> >> > > Should we add this to all cpp demos?
> >> > >
> >> >
> >> > Yes.
> >> >
> >> > Garth
> >>
> >> ok, take a look at the SConstruct file for the Poisson demo
> >> so it looks ok before we start copying it to everywhere.
> >
> > I get the following error:
> >
> > mpicxx -o main.o -c -Wall -pipe -ansi -g -Werror -O2 -fno-strict-aliasing
> > -pthread -DDEBUG -DNDEBUG -DHAS_MPI=1 -DMPICH_IGNORE_CXX_SEEK
> > -DPACKAGE_VERSION="0.7.2" -DHAS_PETSC=1 -DHAS_SLEPC=1 -DHAS_UMFPACK=1
> > -DHAS_GTS=1 -I/home/oelgaard/fenics/dolfin/local/include
> > -I/usr/lib/python2.5/site-packages/numpy/core/include
> > -I/home/oelgaard/slepc-2.3.3 -I/home/oelgaard/slepc-2.3.3/include
> > -I/usr/include/suitesparse -I/usr/include/python2.5
> > -I/home/oelgaard/petsc-2.3.3-p7/bmake/linux-gnu-cxx-debug
> > -I/home/oelgaard/petsc-2.3.3-p7/include
> >
>
-I/home/oelgaard/petsc-2.3.3-p7/externalpackages/mpich2-1.0.5p4/linux-gnu-cxx-debug/include
> > -I/home/oelgaard/local/include -I/usr/include/libxml2
> > -I/usr/include/glib-2.0
> > -I/usr/lib/glib-2.0/include main.cpp
> > sh: mpicxx: command not found
> > scons: *** [main.o] Error 127
> > scons: building terminated because of errors.
> >
> > because I use a local installation of PETSc (that downloads mpich).
> > should the PETSc path be added to PATH in dolfin.conf? since DOLFIN picks
> > up the
> > compiler from PETSc?
> >
> > Currently my SConstruct looks like this:
> >
> > import commands
> > import os
> >
> > # Use system PATH since I don't have mpicxx in default path
> > env = Environment(ENV = {'PATH' : os.environ['PATH']})
> >
> > # Get compiler from pkg-config
> > compiler = commands.getoutput('pkg-config --variable=compiler dolfin')
> >
> > # Update CXX compiler
> > env.Replace(CXX = compiler)
> >
> > # Get DOLFIN cflags and libs
> > env.ParseConfig('pkg-config --cflags --libs dolfin')
> >
> > # Build program
> > env.Program('demo', 'main.cpp')
> >
> > which is not too elegant but it works.
> 
> Perhaps we should use os.environ when creating the SCons Environment, that
> is
> 
> env = Environment(ENV=os.environ, CXX=compiler)
> 
> This should preserve peoples environment variables. A standard SConstruct
> for the demos then becomes:
> 
> import os, commands
> 
> # Get compiler from pkg-config
> compiler = commands.getoutput('pkg-config --variable=compiler dolfin')
> 
> # Create a SCons Environment based on the main os environment:
> env = Environment(ENV=os.environ, CXX=compiler)
> 
> # Get compiler flags from pkg-config
> env.ParseConfig('pkg-config --cflags --libs dolfin')
> 
> # Program name
> env.Program('demo', 'main.cpp')
> 
> Does this work for you Kristian?

Yes. I vote for this SConstruct.

Kristian

> Johannes
> 
> 
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