[petsc-users] Eigenvalue solver method in Petsc

[Satish Balay]

On Sun, 17 Mar 2013, Barry Smith wrote:

> 
> On Mar 17, 2013, at 3:51 PM, Satish Balay <balay at mcs.anl.gov> wrote:
> 
> > On Sun, 17 Mar 2013, Sonya Blade wrote:
> > 
> >>>>> Cygwin is required to build PETSc, but not to use it.
> >>>> How about the MSys interface, which I've already installed.
> >>> 
> >>> Not currently, as far as I know.
> >> 
> >>> whats your compiler requirement? And why?
> >> I use gfortran which ships with MinGW and with Msys I feel more
> >> comfortable.
> > 
> > Are you looking at sequential use of PETSc - or parallel? I see mpich
> > doesn't work with msys/mingw.
> 
>    And why not.

Sorry - forgot to post this link.
http://lists.mcs.anl.gov/pipermail/mpich-discuss/2010-July/007458.html

> It is far more natural than cygwin.

How so? Even python [which is now considered a universal requirement?] doesn't compile on it.

Satish

> 
> > 
> > You can try an install of petsc with msys - and see if it works. If not send
> > us logs at petsc-maint.
> > 
> > [its possible things won't work - and you would have to use
> > cygwin/gfortran. Presumably it shouldn't conflict with your msys
> > install]
> > 
> > Satish
> 
>