[Nek5000-users] makenek, sun complier & mpi

[nek5000-users at lists.mcs.anl.gov]

I have just fixed the SUN compiler problems in the latest release.

Stefan

On Apr 21, 2010, at 2:25 PM, nek5000-users at lists.mcs.anl.gov wrote:

> Ok I think what happens is the following:
> 
> We need to detect which compilers are used by the MPI-wrappers. Depending on the MPI implementation there are some flags (e.g. -showme / -show) you can use to figure that out.
> 
> MPICH doesn't know the flag -showme hence it is passed to the compiler (in your case sunf95).
> The sun compiler says this is an unknown flag and returns a ZERO exit code. 
> This is weird if not to say wrong because you would assume that the right exit code should be NON-ZERO in this case!
> 
> It looks like only the SUN compiler behaves wrong in this situation.
> Unfortunately I don't have access to machine with MPICH/SUN so I cannot test my hypothesis.
> 
> Stefan
> 
> 
> On Apr 21, 2010, at 2:00 PM, nek5000-users at lists.mcs.anl.gov wrote:
> 
>> What MPI implementation are you using?
>> 
>> Stefan
>> 
>> 
>> On Apr 21, 2010, at 1:58 PM, nek5000-users at lists.mcs.anl.gov wrote:
>> 
>>> Hello all,
>>> 
>>> I am seeing the following error message when I use an mpif77 and mpicc
>>> that use the Sun compilers.  Everything is fine if in makenek F77=sunf95
>>> and CC=suncc (and IFMPI="false"), or if using mpif77 and mpicc that use
>>> the Intel compilers.
>>> 
>>> Cheers,
>>> Frank
>>> 
>>> 
>>> sunf95: Warning: Option -showme passed to ld, if ld is invoked, ignored
>>> otherwise
>>> Usage: sunf95 [ options ] files.  Use 'sunf95 -flags' for details
>>> WARNING: Cannot detect compiler specfic flags
>>>    echo  - to promote REAL to 8 bytes
>>>    echo  - to invoke preprocessor first
>>> Please edit the makefile and specify the requested compiler flags in the
>>> P variable!
>>> 
>>> -- 
>>> Frank Herbert Muldoon, Ph.D. Mechanical Engineering
>>> Technische Universität Wien (Technical University of Vienna)
>>> Inst. f. Strömungsmechanik und Wärmeübertragung (Institute of Fluid
>>> Mechanics and Heat Transfer)
>>> Resselgasse 3
>>> 1040 Wien
>>> Tel: +4315880132232
>>> Fax: +4315880132299 
>>> Cell:+436765203470
>>> fmuldoo (skype)
>>> http://tetra.fluid.tuwien.ac.at/fmuldoo/public_html/webpage/frank-muldoon.html
>>> 
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>> 
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