[petsc-users] Installation without BLAS/LAPACK

[Satish Balay]

On Tue, 20 Feb 2018, Satish Balay wrote:

> On Tue, 20 Feb 2018, Ali Berk Kahraman wrote:
> 
> > Hello All,
> > 
> > I have access to a common computer in my school, and I want to use petsc on
> > it. The problem is that I do not have root access, and neither do I want it.
> > The machine has OpenMPI installed in it, but no BLAS. Can I configure petsc
> > somehow without having any BLAS commands? If not, can I install BLAS somehow
> > only on my own folder (/home/myfolder) without touching anything inside /usr/
> > folder?
> 
> You don't need root access to install/use PETSc.
> 
> And you can ask petsc configure to install any required or missing packages.
> 
> ./configure CC=gcc FC=gfortran CXX=g++ --download-blaslapack --download-mpich
> make
> 
> If you wish to install PETSc with a preinstalled mpi - you can do:
> 
> ./configure CC=mpicc FC=mpif90 CXX=mpicxx --download-blaslapack
> make


ops - that should be:

--download-fblaslapack

Satish