[Buildroot] [Bug 7268] python 2.7 compilation issue on a Debian/Ubuntu host with multiarch support

[bugzilla at busybox.net]

https://bugs.busybox.net/show_bug.cgi?id=7268

David <buildroot-2014 at inbox.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
            Summary|python 2.7 compilation      |python 2.7 compilation
                   |issue                       |issue on a Debian/Ubuntu
                   |                            |host with multiarch support

--- Comment #10 from David <buildroot-2014 at inbox.com> 2014-07-08 17:04:14 UTC ---
Hi,

I finally got the bug. Your input about wrong paths really helped me and saved
me a lot of time, thanks a lot for this.

In fact, the main setup.py script has a "add_multiarch_paths" function that
adapts standard paths to multiarch requirements. For some reason, it adds host
/usr/include/x86_64-linux-gnu to include paths for the target python build. 

I add a patch that makes multiarch management process available only if python
is not being cross-compiled. I do not know if multiarch really makes sense in
the case of buildroot. This patch fixes my compilation issue, but it may break
something for a different architecture, so I hope someone with a lot more
experience about python and buildroot architectures than me will read this
patch.

Thanks a lot again
David

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