[petsc-users] Installation Error

[Satish Balay]

On Sat, 5 Oct 2013, Matthew Knepley wrote:

> On Sat, Oct 5, 2013 at 1:07 AM, Sonya Blade <sonyablade2010 at hotmail.com>wrote:
> 
> > ----------------------------------------
> > > Date: Fri, 4 Oct 2013 23:48:10 -0500
> > > From: balay at mcs.anl.gov
> > > To: sonyablade2010 at hotmail.com
> > > CC: petsc-users at mcs.anl.gov
> > > Subject: Re: [petsc-users] Installation Error
> > >
> > > On Sat, 5 Oct 2013, Sonya Blade wrote:
> > >
> > >> Dear All,
> > >>
> > >> I'm receiving the following errors when I'm trying to install the
> > >> the slepc library, I'm attaching the following error messages and
> > content
> > >> of the configure.log file residing in
> > slepc-3.4.2\arch-mswin-c-debug\conf folder
> > >>
> > >>
> > /cygdrive/d/TEST_FOLDER_asus/petsc-3.4.2/arch-mswin-c-debug/lib/libpetsc.a(fp.c.o):fp.c:(.rdata$.refptr._fe_dfl_env[.refptr._fe_dfl_env]+0x0):
> > undefined reference to `_fe_dfl_env'
> > >
> > > You'll need the following patch to get petsc working with cygwin64/gcc
> > [configure and build with this patch]
> > >
> > >
> > https://bitbucket.org/petsc/petsc/commits/e4773d96ef73f1e0b315c5b0194cae499d71e207
> > >
> > > Sr you can edit PETSC_ARCH/include/petscconf.h and remove the flag
> > PETSC_HAVE_FENV_H and rebuild
> > > the libraries.
> > >
> > > Satish
> >
> > Thank you, I'll try this
> >
> > Instead of intending only Win64 platform, how can I make the compilation
> > for Petsc and Slepc
> > compatible for both platforms Win32 and Win64 with only single
> > compilation, is it possible at all?
> >
> 
> That will happen if you patch your sources/build with the latest 'maint'
> branch of PETSc.

For source comatibility - yes - the above patch - or using 'maint' branch from git will work.

For binary compatibility - if you have 32bit binaries - it should probably run on both win32 and
win64 machines..

Satish