Re: [Buildroot] [Question] - Buildroor 2021.02 - Can't find python-numpy in menuconfig (python 2.7)

[Baruch Siach via buildroot <buildroot@buildroot.org>]

Hi Alberto,

On Tue, May 17 2022, Alberto Fahrenkrog via buildroot wrote:
> I'm trying to build the numpy package for python2.7. Unfortunately I
> have to use python 2.7 before I'm able to upgrade.

Note that Python 2.7 has been removed from the latest 2022.02 release.
Which version are you using?

> When I search "/" python-numpy in menuconfig, it tells me it's in
> "Target Packages -> Interpreter languages and scripting -> External
> Python Modules". But I can't find it on the list.

There might be an unsatisfied dependency. The search results should show
you the list of BR2_PACKAGE_PYTHON_NUMPY dependencies, and whether they
are enabled. Specifically python-numpy needs glibc or musl C libraries.
In that case you should see this comment in the menu:

    *** python-numpy needs glibc or musl ***

Another options is that numphy does not support your target
platform. See the list of platforms under
BR2_PACKAGE_PYTHON_NUMPY_ARCH_SUPPORTS in
package/python-numpy/Config.in. In that case the menu comment does not
show.

> I tried adding it on my _defconfig as 
> BR2_PACKAGE_PYTHON_NUMPY=y
> BR2_PACKAGE_PYTHON_NUMPY_ARCH_SUPPORTS=y
> But that doesn't make a difference either. 

Kconfig removes symbols with unsatisfied dependencies.

> I haven't spotted any typos.
>
> What's the correct way to add numpy to python 2.7? Any help is appreciated.

Hope this helps,
baruch

-- 
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