itaps-parallel Name mangling in MOAB

[Mark Miller]

Tim,

I wonder if you could leave the default to what it was and if someone
needs gcc-4.3, they use that explicitly?

Mark

On Thu, 2008-11-13 at 10:35, Tim Tautges wrote:
> Hi all,
>    On the mesh machine, I've changed the symbolic links gcc, g++, and 
> gfortran in /usr/bin to point to the 4.3 series gnu compilers.  If you'd 
> prefer to use the 4.2 series, just use gcc-4.2, etc.
> 
> Ting, this should work for you now.
> 
> - tim
> 
> txie at scorec.rpi.edu wrote:
> > Hi Tim,
> > 
> > Thanks. But this file seems too long for me to understand in a short time.
> > May you create a link to gfortran in /usr/bin/, just as gcc and g++?
> > Thanks.
> > 
> > Ting
> > 
> > 
> > 
> >> In MOAB, we use an m4 macro to attempt to find compilers automatically;
> > see ~tautges/ITAPS/SVN/Examples/m4/compiler.m4 on the mesh machine. This
> > produces the F77 or FC variables, which can be over-ridden on the
> > configure line.
> >> - tim
> >>
> >> txie at scorec.rpi.edu wrote:
> >>> Tim,
> >>> I add one option FC=/usr/local/gcc-4.3/bin/gfortran in the configure, and
> >>> it works now.
> >>> But may you tell me how to fix this minor problem, not by setting
> > option
> >>> in the configure? Since other people may have the same problem in the
> > tutorial, and then they will get undefined errors in compiling FMDB.
> > Thanks.
> >>> Regards,
> >>> Ting
> >>>> Tim,
> >>>> Thanks for your reply. We can test them later.
> >>>> I got another problem when I configured FMDB on mesh machine. It can not
> >>>> find Fortran compiler on mesh machine, and the IMESH_FCDefs.h file is
> > empty.  here is the output from the configure. Did I miss anything in
> > configure file? I did not meet such problem on our SCOREC machine.
> > Thanks.
> >>>> appending configuration tag "F77" to libtool
> >>>> checking for gfortran... no
> >>>> checking for g95... no
> >>>> checking for xlf95... no
> >>>> checking for f95... no
> >>>> checking for fort... no
> >>>> checking for ifort... no
> >>>> checking for ifc... no
> >>>> checking for efc... no
> >>>> checking for pgf95... no
> >>>> checking for lf95... no
> >>>> checking for ftn... no
> >>>> checking for xlf90... no
> >>>> checking for f90... no
> >>>> checking for pgf90... no
> >>>> checking for pghpf... no
> >>>> checking for epcf90... no
> >>>> checking for g77... no
> >>>> checking for xlf... no
> >>>> checking for f77... no
> >>>> checking for frt... no
> >>>> checking for pgf77... no
> >>>> checking for cf77... no
> >>>> checking for fort77... no
> >>>> checking for fl32... no
> >>>> checking for af77... no
> >>>> checking whether we are using the GNU Fortran compiler... no
> >>>> Ting
> >>>>> Good question.  I think the best way to test this would be to
> > configure/build both FMDB and MOAB and use 'nm' to check function
> > signatures in libiMesh.a.  Even better would be to do that with
> > different compilers that mangle names differently, and make sure the
> > two
> >>>>> still agree, but that probably is too much work for now.
> >>>>> - tim
> >>>>> txie at scorec.rpi.edu wrote:
> >>>>>> Tim,
> >>>>>> Thanks for your explanations. They are very clear. I have modified FMDB
> >>>>>> like that. But I do not know how to test and use this, and also the
> > iMesh-Defs.inc file. May you let me know how to test them if you
> > have
> >>>>>> time? Thanks.
> >>>>>> Regards,
> >>>>>> Ting
> >>>>>>> You bet.  If you have any trouble, just send me or Jason email. - tim
> >>>>>>> txie at scorec.rpi.edu wrote:
> >>>>>>>> Tim,
> >>>>>>>> Thanks a lot.
> >>>>>>>> Ting
> >>>>>>>>> Hi all,
> >>>>>>>>>    See
> >>>>>>>>> http:// trac.mcs.anl.gov/projects/ITAPS/browser/MOAB/trunk/configure.in,
> > lines 31-33.  If the script finds a fortran compiler, it runs
> > that
> >>>>>>>>> macro.  That generates definitions for FC_FUNC and FC_FUNC_.  Then,
> >>>>>>>>> at
> >>>>>>>>> line 869 in configure.in, AC_CONFIG_HEADERS is called to produce
> > MBCN_FCDefs.h, which contains substituted definitions for FC_FUNC
> > and
> >>>>>>>>> FC_FUNC_.  Those macros are used in iMesh_protos.h
> >>>>>>>>> (http:// trac.mcs.anl.gov/projects/ITAPS/browser/MOAB/trunk/tools/iMesh/iMesh_protos.h)
> > to mangle the imesh function names.
> >>>>>>>>> If you're doing this in FMDB, it's probably easier to eliminate
> > going
> >>>>>>>>> through MBCN_FCDefs.h or equivalent and call AC_CONFIG_HEADERS
> > directly
> >>>>>>>>> on iMesh.h, though you'll have to make a iMesh.h.in file for that to
> >>>>>>>>> work properly.
> >>>>>>>>> Any questions, let me know.
> >>>>>>>>> - tim
> >>>>>>>>> --
> >>>>>>>>> ================================================================
> > "You will keep in perfect peace him whose mind is
> >>>>>>>>>    steadfast, because he trusts in you."               Isaiah
> > 26:3
> >>>>>>>>>               Tim Tautges            Argonne National Laboratory
> >>>>>>>>>           (tautges at mcs.anl.gov)      (telecommuting from
> >>>>>>>>> UW-Madison)
> >>>>>>>>>           phone: (608) 263-8485      1500 Engineering Dr.
> >>>>>>>>>             fax: (608) 263-4499      Madison, WI 53706
> >>>>>>> --
> >>>>>>> ================================================================
> > "You will keep in perfect peace him whose mind is
> >>>>>>>    steadfast, because he trusts in you."               Isaiah 26:3
> >>>>>>>               Tim Tautges            Argonne National Laboratory
> >>>>>>>           (tautges at mcs.anl.gov)      (telecommuting from
> > UW-Madison)
> >>>>>>>           phone: (608) 263-8485      1500 Engineering Dr.
> >>>>>>>             fax: (608) 263-4499      Madison, WI 53706
> >>>>> --
> >>>>> ================================================================ "You
> > will keep in perfect peace him whose mind is
> >>>>>    steadfast, because he trusts in you."               Isaiah 26:3
> >>>>>               Tim Tautges            Argonne National Laboratory
> >>>>>           (tautges at mcs.anl.gov)      (telecommuting from UW-Madison)
> > phone: (608) 263-8485      1500 Engineering Dr.
> >>>>>             fax: (608) 263-4499      Madison, WI 53706
> >> --
> >> ================================================================ "You
> > will keep in perfect peace him whose mind is
> >>    steadfast, because he trusts in you."               Isaiah 26:3
> >>
> >>               Tim Tautges            Argonne National Laboratory
> >>           (tautges at mcs.anl.gov)      (telecommuting from UW-Madison)
> > phone: (608) 263-8485      1500 Engineering Dr.
> >>             fax: (608) 263-4499      Madison, WI 53706
> >>
> >>
> > 
> > 
> > 
> > 
> > 
> > 
> > 
-- 
Mark C. Miller, Lawrence Livermore National Laboratory
email: mailto:miller86 at llnl.gov
(M/T/W) (925)-423-5901 (!!LLNL BUSINESS ONLY!!)
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