Oddly, it wouldn't work even with the CPPFLAGS set (I tried setting CFLAGS too just to be sure). I'm thinking it must be gremlins of some sort :-). Meanwhile, I've bitten the bullet and upgraded myself to PGI 10.0-1 and things seem to be compiling happily now for 1.4.1rc1.
Thanks for all of the suggestions!
Here's the comment I put in OMPI's configure script with regards to the offsetof problem:
# This macro checks to ensure that the compiler properly supports
# offsetof(). The PGI compilers had a problem with this macro in some
# versions of their compiler on some platforms (e.g., 9.0-1 on
# x86_64). The workaround is to use -DNO_PGI_OFFSET in these cases.
# A bug report was submitted to PGI support in late June 2009; the
# problem was apparently a trivial typo in one of their header files
# and should be fixed in subsequent releases (e.g., 9.0-2?).
I don't know the exact version of PGI 9.0-x where it was fixed, but I'm pretty sure it *was* fixed at some point. Regardless, the workaround (add -DNO_PGI_OFFSET to CPPFLAGS) should make it work for you.
On Jan 7, 2010, at 6:17 AM, Ake Sandgren wrote:
> On Thu, 2010-01-07 at 11:57 +0100, Peter Kjellstrom wrote:
> > On Wednesday 06 January 2010, Tim Miller wrote:
> > > Hi All,
> > >
> > > I am trying to compile OpenMPI 1.4 with PGI 9.0-3 and am getting the
> > > following error in configure:
> > >
> > > checking for functional offsetof macro... no
> > > configure: WARNING: Your compiler does not support offsetof macro
> > > configure: error: Configure: Cannot continue
> > >
> > > I have searched around and found that this error occurs because of a
> > > problem in the configure scripts when PGI 10 is used, but I'm using 9.0-3
> > > which should not have the configure script issue. Here is the output of
> > > pgcc -V:
> > >
> > > pgcc 9.0-3 64-bit target on x86-64 Linux -tp k8-64e
> > > Copyright 1989-2000, The Portland Group, Inc. All Rights Reserved.
> > > Copyright 2000-2009, STMicroelectronics, Inc. All Rights Reserved.
> > >
> > > I'm not sure what's wrong here as other people have reported being able to
> > > build OpenMPI with PGI 9. Does anyone have any ideas?
> > Maybe a late enough PGI-9 behaves like PGI-10. You could try the 1.4.1-rc1
> > which should work with PGI-10 and see if it fixes your problems too.
> Our PGI 9.0-3 doesn't have any problems building openmpi 1.3.3 or 1.4
> Ake Sandgren, HPC2N, Umea University, S-90187 Umea, Sweden
> Internet: firstname.lastname@example.org Phone: +46 90 7866134 Fax: +46 90 7866126
> Mobile: +46 70 7716134 WWW: http://www.hpc2n.umu.se
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