On 01/09/10 12:52, Anders Logg wrote: > On Wed, Sep 01, 2010 at 01:42:14PM +0200, Johannes Ring wrote: >> On Wed, Sep 1, 2010 at 1:30 PM, Anders Logg <[email protected]> wrote: >>> On Wed, Sep 01, 2010 at 12:22:27PM +0100, Garth N. Wells wrote: >>>> >>>> ound. This was changed a few >>>>>>> days back. >>>>>> >>>>>> Did we have CXX=mpic++ or similar in the Dorsal platform file for Snow >>>>>> Leopard? >>>>> >>>>> We used to have this in dolfin.package: >>>>> >>>>> package_specific_setup () { >>>>> export CC=mpicc >>>>> export CXX=mpic++ >>>>> } >>>>> >>>>> Can we add it back? SLEPc works again for me on OS X when I add it. >>>>> >>>> >>>> Best would be to get the MPI flags right in dolfin/CMakeLists.txt. There >>>> are a few FIXME related the link flags. >>>> >>>> If we use the MPI wrappers, we should somehow test for this and then not >>>> add the MPI compiler flags in dolfin/CMakeLists.txt. >>> >>> I don't understand. That seems like a secondary issue, that we would >>> add flags we don't really need if we are using the MPI wrappers. >>> >>> Does anyone know which extra flag is needed to get things to run? >> >> I guess that these should do it: -lmpi -lopen-rte -lopen-pal > > Is there a simple way to find those flags? > >> The problem (in my case with PETSc) is that these are missing from >> PETSC_LIBRARIES so the test program in FindPETSc.cmake fails. > > Why does PETSc test fail? The PETSc test is run before the SLEPc test > so any flags added while running the SLEPc test shouldn't affect > PETSc. > > Or we could add the flags to PETSC_LIBRARIES? >
We should probably add the MPI flags before testing and configuring the dependencies. The Trilinos build system doesn't bother with adding MPI flags - it relies the on the user to specify the MPI compiler wrappers. Makes the build system straightforward, but not very user-friendly. Garth > -- > Anders _______________________________________________ Mailing list: https://launchpad.net/~dorsal Post to : [email protected] Unsubscribe : https://launchpad.net/~dorsal More help : https://help.launchpad.net/ListHelp
