[Rivet] problem with yaml

[Ben Waugh]

Hi Robert,

On 31/01/11 16:30, Andy Buckley wrote:
> On 31/01/11 16:11, Robert King wrote:
>> configure:17305: checking for Python include path
>> configure:17308: result: /afs/cern.ch/sw/lcg/external/Python/2.5.4p2/slc4_ia32_gcc34/include/python2.5
>> configure:17328: checking for swig
>> configure:17346: found /afs/cern.ch/sw/lcg/external/swig/1.3.40/x86_64-slc5-gcc43-opt/bin/swig
>> configure:17358: result: /afs/cern.ch/sw/lcg/external/swig/1.3.40/x86_64-slc5-gcc43-opt/bin/swig
>> configure:17443: checking if /afs/cern.ch/sw/lcg/external/swig/1.3.40/x86_64-slc5-gcc43-opt/bin/swig can make a Python function wrapper
>> configure:17447: result: yes
>> configure:17461: checking if the /afs/cern.ch/sw/lcg/contrib/gcc/4.3.2/x86_64-slc5-gcc34-opt/bin/g++ compiler accepts the -Wno-format flag
>> configure:17477: result: yes
>> configure:17481: adding -Wno-format to swig compilation test
>> configure:17495: checking if /afs/cern.ch/sw/lcg/external/swig/1.3.40/x86_64-slc5-gcc43-opt/bin/swig is compatible with the /afs/cern.ch/sw/lcg/contrib/gcc/4.3.2/x86_64-slc5-gcc34-opt/bin/g++ compiler
>> configure:17501: result: no
>> configure:17504: error: Can't build Python extension since /afs/cern.ch/sw/lcg/external/swig/1.3.40/x86_64-slc5-gcc43-opt/bin/swig is not compatible with /afs/cern.ch/sw/lcg/contrib/gcc/4.3.2/x86_64-slc5-gcc34-opt/bin/g++. Get a newer SWIG version!
>
> The lines above are the relevant ones from your config.log file -- it
> looks like SWIG is working but is not compatible with your C++ compiler.

In case it helps, when I last installed Rivet on our SLC5 cluster I 
found it useful to source the following script to ensure a compatible 
set of compilers etc. in my $PATH:

source /afs/cern.ch/sw/lcg/contrib/gcc/4.3/x86_64-slc5-gcc43-opt/setup.sh

Cheers,
Ben

> As I don't have that compiler I can't check, but if you want to chase it
> up, try doing a manual test of SWIG with a mini interface file. The test
> being run by the configure script in your case is roughly to make a file
> called conftest.i, containing the following:
>
> %module conftest
> %{
>    void foo();
> %}
> void foo();
>
>
> Then run
>
> /afs/cern.ch/sw/lcg/external/swig/1.3.40/x86_64-slc5-gcc43-opt/bin/swig
> -c++ -python conftest.i
>
> and then
>
> /afs/cern.ch/sw/lcg/contrib/gcc/4.3.2/x86_64-slc5-gcc34-opt/bin/g++ -c
> conftest.i -Wno-format
> -I/afs/cern.ch/sw/lcg/external/Python/2.5.4p2/slc4_ia32_gcc34/include/python2.5
>
> There are a few extra flags which are being added to the compiler by
> Rivet, but those should hopefully not be important for this test.
> Presumably the C++ compiler is working for everything else... I'd be
> interested to know if this works, and if not what the compiler error
> message is in the final step.
>
> Best wishes,
> Andy
>

-- 
Dr Ben Waugh                                   Tel. +44 (0)20 7679 7223
Dept of Physics and Astronomy                  Internal: 37223
University College London
London WC1E 6BT