PETSC_DIR as a symlink

Satish Balay balay at mcs.anl.gov
Thu Nov 26 09:13:23 CST 2009


peraps this is one case where --prefix install is useful?

Satish

On Thu, 26 Nov 2009, Jed Brown wrote:

> I was recently building PETSc on a system where /home is a slow NFS
> mount so of course I wanted to build on /scratch.  However, since I want
> other nodes to use it, PETSC_DIR should really be in /home.  My initial
> thought was to symlink from /home to /scratch, then move the directory
> after compilation of several configurations.  This does not work due to
> os.path.isdir returning false for symlinks to directories, and the use
> of os.path.realpath to confirm that PETSC_DIR is the current directory.
> 
> Would it be reasonable to relax these checks to merely confirm that
> PETSC_DIR *points* to the current directory, or will that cause more
> confusion than it's worth?  I wouldn't expect people to set up such
> symlinks unless they knew the score.
> 
> Jed
> 




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