Re: [Quantlib-users] Build quantlib wheel using Docker

[Luigi B. <lui...@gm...>]

That would be the `configure` in the C++ library.

This said: are you building the wheel because you want to change the code?
If not, don't build it, use `pip install QuantLib` instead.

Luigi


On Thu, May 13, 2021 at 5:29 AM Ching Kai TUNG <tun...@ya...>
wrote:

> Hi
> I try to build the wheel
> run `configure` with `--disable-shared`
>
> But it said unrecognized option?
>
> Luigi Ballabio <lui...@gm...>於2021年5月12日 下午3:20寫道：
>
> 
> No, I haven't seen the slowness.  I have built 64-bit wheels on a Windows
> virtual machine and they took some minutes, not hours.  The same goes for
> running Docker on a 64bit Mac.
>
> On Tue, May 11, 2021 at 2:01 PM Alix Lassauzet <ali...@gm...>
> wrote:
>
>> Thanks Luigi for your help. This is exactly what I needed. Running
>> `configure` with `--disable-shared` works fine, but I had to add the flag
>> '-fPIC' in the same time. Otherwise, the swig compilation fails. I will
>> also give a look to manylinux, which looks a better practice, thanks again.
>>
>> I have originally tried to build your dockerfiles on a 64bit Windows
>> machine, and I noticed the swig compilation took hours -while the
>> compilation directly on the host machine would take ~1h. Have you ever
>> faced this sort of slowness? I remember having facing similar issues when
>> trying to compile QuantLib Excel in 64bits, while it was fine in 32bits.
>>
>> I also noticed the PyQL project tackle this "issue" by relying on Cython,
>> so that they can use parallelization (but I never tried). I don't know if
>> there exists any workaround with swig (maybe except adding additional flag
>> to the compiler to remove extra optimisation).
>>
>> Alix
>>
>> Le lun. 10 mai 2021 à 09:14, Luigi Ballabio <lui...@gm...> a
>> écrit :
>>
>>> Hello Alix,
>>>     I'm not sure that `auditwheel repair` works outside the manylinux
>>> images.  Personally I'm using the `quay.io/pypa/manylinux2010_x86_64`
>>> <http://quay.io/pypa/manylinux2010_x86_64> image to build the QuantLib
>>> wheels on PyPI (used to be `quay.io/pypa/manylinux1_x86_64`
>>> <http://quay.io/pypa/manylinux1_x86_64>, but since the latest release
>>> we need a C++11 compiler so I upgraded).  If you want to distribute to
>>> users on a given Ubuntu version, I'd probably distribute both the wheel
>>> (unrepaired) and the shared library.  If you want a self-contained wheel,
>>> another possibility (which I have done on Mac OS, but not on Linux so I
>>> can't guarantee it works) might be to run `configure` with
>>> `--disable-shared`, so it only creates the static library.  This way, the
>>> library code would be linked in the wrappers instead of being a dependency.
>>>
>>> Hope this helps,
>>>     Luigi
>>>
>>>
>>>
>>>
>>>
>>> On Sat, May 8, 2021 at 4:21 PM Alix Lassauzet <ali...@gm...>
>>> wrote:
>>>
>>>> Hello Luigi and QL community,
>>>>
>>>> I am actually stuck in the process of building properly a wheel in
>>>> QuantLib-Python from docker. In short, I am starting from Luigi's
>>>> repository (https://github.com/lballabio/dockerfiles), then building
>>>> the images boost, base, default and python3. At this point, one can use
>>>> QuantLib-Python.
>>>>
>>>> Then, I tried to run "python3 setup.py bdist_wheel" to generate a
>>>> wheel. And "repair" the wheel using auditwheel, I am facing this error:
>>>>
>>>> auditwheel: error: cannot repair "QuantLib******.whl" to
>>>> "manylinux1_x86_64" ABI because of the presence of too-recent versioned
>>>> symbols. You'll need to compile the wheel on an older toolchain.
>>>>
>>>> I have seen a discussion where Luigi mentioned to use manylinux for
>>>> building a wheel. Does it mean we cannot generate a wheel from an
>>>> Ubunbu distribution? If my understanding is correct, manylinux will provide
>>>> wheels for any linux distribution, and looks the best practice to
>>>> industrialise the release process. But what about if we don't care about
>>>> the Linux distrib, and just want to build a wheel for this Ubuntu version,
>>>> assuming users are required to use the same environment? The concern here
>>>> seems to link the external shared library "libQuantLib.so.0".
>>>>
>>>> Many thanks to all,
>>>> Alix
>>>>
>>>> Attaching the 2 earlier discussions that look related to this topic for
>>>> reference:
>>>> https://sourceforge.net/p/quantlib/mailman/message/36713117/
>>>> https://github.com/lballabio/QuantLib-SWIG/issues/103
>>>>
>>>>
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>>>> https://lists.sourceforge.net/lists/listinfo/quantlib-users
>>>>
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