In module_list.py you need
Extension("sage.graphs.bliss",
["sage/graphs/bliss.pyx"],
language="c++"),
libraries=['bliss'])
On Wednesday, December 24, 2014 4:25:34 PM UTC+1, Jernej Azarija wrote:
>
> Volker,
>
> thank you for your help. I ended up updating & re-compiling Sage and it
> now works. As for the linkage issue, do you happen to know how to properly
> link against bliss in this case?
>
> Best,
>
> Jernej
>
> On Tue, Dec 23, 2014 at 7:12 PM, Volker Braun <vbrau...@gmail.com
> <javascript:>> wrote:
>
>> Compiles fine for me (after changing the path to my graph.hh):
>>
>> gcc -fno-strict-aliasing -g -O2 -DNDEBUG -g -fwrapv -O3 -Wall -fPIC
>> -I/home/vbraun/Sage/git-temp/local/include
>> -I/home/vbraun/Sage/git-temp/local/include/csage
>> -I/home/vbraun/Sage/git-temp/src -I/home/vbraun/Sage/git-temp/src/sage/ext
>> -I/home/vbraun/Sage/git-temp/local/include/python2.7 -c
>> build/cythonized/sage/graphs/bliss.cpp -o
>> build/temp.linux-x86_64-2.7/build/cythonized/sage/graphs/bliss.o
>> -fno-strict-aliasing -w -fno-tree-dominator-opts
>>
>> I can't import the resulting module because it doesn't link against bliss:
>>
>> sage: import sage.graphs.bliss
>>
>> ---------------------------------------------------------------------------
>> ImportError Traceback (most recent call
>> last)
>> <ipython-input-1-75682df38474> in <module>()
>> ----> 1 import sage.graphs.bliss
>>
>> ImportError:
>> /home/vbraun/Sage/git-temp/local/lib/python2.7/site-packages/sage/graphs/bliss.so:
>>
>> undefined symbol: _ZN5bliss5GraphC1Ej
>>
>> But compilation is fine. You either aren't using the "gcc" that you think
>> you are using, or maybe have a clashing header somewhere.
>>
>>
>> On Tuesday, December 23, 2014 1:18:55 PM UTC+1, Jernej Azarija wrote:
>>>
>>> Volker,
>>>
>>> the branch should be accessible here http://git.sagemath.org/sage.
>>> git/log/?h=u/azi/CythonWrap
>>>
>>> Best,
>>>
>>> Jernej
>>>
>>> On Mon, Dec 22, 2014 at 10:37 PM, Volker Braun <vbrau...@gmail.com>
>>> wrote:
>>>
>>>> I don't see anything wrong, its somewhere in the stuff that you haven't
>>>> posted. Inspect the generated cpp file or post a branch.
>>>>
>>>>
>>>>
>>>> On Sunday, December 21, 2014 4:24:38 PM UTC+1, Jernej Azarija wrote:
>>>>>
>>>>> Volker,
>>>>>
>>>>> I am using gcc version 4.8.2 and the git version of sage that I
>>>>> myself compiled. I am also attaching the graph.hh file in case I trimmed
>>>>> it
>>>>> too much. Could you please check what is going on?
>>>>>
>>>>> Thanks for your help,
>>>>>
>>>>> Jernej
>>>>>
>>>>> On Saturday, 20 December 2014 17:27:03 UTC+1, Volker Braun wrote:
>>>>>>
>>>>>> Also, which gcc version do you have? Did you compile Sage from source?
>>>>>>
>>>>> --
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>>>
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