[petsc-dev] configure failing because of old nvcc

[Barry Smith]

On Nov 5, 2010, at 1:18 PM, Satish Balay wrote:

> I think part of the issue is the configure model for compiler detection.
> 
> Perhaps we want buildsystem to detect/set compilers as it sees.  And
> then petsc side of configure to check if this functionality exists -
> and then use it? [with --with-cuda=1 flag in cuda.py?]
> 
> There was a recent change to do version check of nvcc in buildsystem -
> instead of the prior check in cuda.py. [I just striped out the one
> from cuda.py - because it was broken].
> 
> If so - perhaps the fix is to remove this check from Buildsystem
> [setCompilers.py - where it only determines cuda attributes like
> version - as stashes this info] - and place the version check back in
> cuda.py?

  Yes, that is right.

   Barry

> 
> Satish
> 
> 
> On Fri, 5 Nov 2010, Barry Smith wrote:
> 
>> 
>>  You are correct, it should only stop on this if the user asked for --with-cuda  Victor can you fix this.
>> 
>> 
>> On Nov 5, 2010, at 12:57 PM, Lisandro Dalcin wrote:
>> 
>>> Do we really want this? Perhaps CUDA should be just disabled, instead
>>> of configure failing? Note that I've not actually asked for a
>>> CUDA-enabled build:
>>> 
>>> 
>>> $ cat linux-gnu/conf/reconfigure-linux-gnu.py
>>> #!/usr/bin/python
>>> if __name__ == '__main__':
>>> import sys
>>> import os
>>> sys.path.insert(0, os.path.abspath('config'))
>>> import configure
>>> configure_options = [
>>>   'PETSC_ARCH=linux-gnu',
>>>   '--with-shared-libraries=1',
>>> ]
>>> configure.petsc_configure(configure_options)
>>> 
>>> 
>>> [dalcinl at nikola dev]$ python linux-gnu/conf/reconfigure-linux-gnu.py
>>> ===============================================================================
>>>            Configuring PETSc to compile on your system
>>> ===============================================================================
>>> TESTING: checkCUDACompiler from
>>> config.setCompilers(config/BuildSystem/config/se===============================================================================
>>> ** CUDA Error: PETSc requires nvcc version 3.2 when compiling with --withcuda **
>>> ===============================================================================
>>> *******************************************************************************
>>>       CONFIGURATION CRASH  (Please send configure.log to
>>> petsc-maint at mcs.anl.gov)
>>> *******************************************************************************
>>> 
>>> 
>>> 
>>> -- 
>>> Lisandro Dalcin
>>> ---------------
>>> CIMEC (INTEC/CONICET-UNL)
>>> Predio CONICET-Santa Fe
>>> Colectora RN 168 Km 472, Paraje El Pozo
>>> Tel: +54-342-4511594 (ext 1011)
>>> Tel/Fax: +54-342-4511169
>> 
>> 
>