[petsc-dev] BuildSystem: PCC=mpicc, CXX and FC

[Lisandro Dalcin]

1) If mpicc is in $PATH, then petscvariables will get PCC=mpicc.
Perhaps it should get the full path instead?

2) I think CXX and FC variables should be renames to PCXX and PFC. The
former names can easily conflict with CXX and FC defined in user
makefiles for use with non-MPI sources.


-- 
Lisandro Dalcin
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