PETSC_DIR as a symlink

[Satish Balay]

BTW: What exact error message do you get?

I've used symlinks for PETSC_DIR before - and don't remember any
issues. [although I've never moved the install after things got built]

Satish

On Thu, 26 Nov 2009, Satish Balay wrote:

> 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
> > 
> 
>