Re: [igraph] Building universal python-igraph on OSX 10.11

[Tamas Nepusz]

For the record: changing the value of the BN_MAXSIZE constant in
src/bignum.h to 202 fixes the problem. (Any value larger than 202 does
not). @Jérôme, let me know if this works for you as well.

All the best,
T.


On Sun, Apr 17, 2016 at 4:05 PM, Tamas Nepusz <address@hidden> wrote:
> Hi Jérôme,
>
> Someone else has also stumbled into this bug and mentioned a workaround:
>
> https://github.com/igraph/igraph/issues/938
>
> I will investigate it when I have some time and let you know if
> there's a patch for this.
>
> T.
>
>
> On Tue, Apr 12, 2016 at 7:05 PM, Jérôme Laheurte
> <address@hidden> wrote:
>>
>> Le 11 avr. 2016 à 20:53, Tamas Nepusz <address@hidden> a écrit :
>>
>> I’m using brew because pip does not install the C core…
>>
>> It should try to install the C core if it does not find the C core
>> already [...]
>>
>> As far as I could check (find on various standard library locations for «
>> *igraph*dylib* », there wasn’t an older version around.
>>
>> In that case, please send me the full output of "pip install
>> python-igraph" - maybe I can figure out what went wrong and where.
>>
>>
>> My bad; pip install does work, but the installed version of the C core is 64
>> bits only (or else it would have failed to build, obviously).
>>
>>
>> I forgot to tell, I already had homebrewed gcc. But « gcc —version » still
>> gives me the Xcode symlink to clang… I’ll try setting explicitely CC or
>> whatever home-brew uses.
>>
>>
>> I have installed gcc using "brew install gcc" and it seems like it's
>> available in /usr/local/bin/gcc-5. However, /usr/local/bin/gcc does
>> not exist and /usr/bin/gcc is symlinked to clang, so typing "gcc"
>> effectively ends up with using clang instead.
>>
>> You can try creating symlinks to gcc-5 and related binaries in
>> /usr/local/bin; alternatively, you could try setting HOMEBREW_CC and
>> HOMEBREW_CXX to point to /usr/local/bin/gcc-5 and
>> /usr/local/bin/g++-5.
>>
>>
>> Argh
>>
>> Error: Non-Apple GCC can't build universal binaries
>>
>> I think I’ll keep up in this direction to see if I can build a 32-bits only
>> version.
>>
>> Thanks
>> Jérôme Laheurte
>>
>>
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