[Numpy-discussion] Debian/Ubuntu patch help (was: ANN: NumPy 1.6.2 release candidate 1)

Ralf Gommers ralf.gommers at googlemail.com
Tue May 15 14:52:07 EDT 2012

On Sat, May 12, 2012 at 9:17 PM, Ralf Gommers
<ralf.gommers at googlemail.com>wrote:

> On Sat, May 12, 2012 at 6:22 PM, Sandro Tosi <matrixhasu at gmail.com> wrote:
>> Hello,
>> On Sat, May 5, 2012 at 8:15 PM, Ralf Gommers
>> <ralf.gommers at googlemail.com> wrote:
>> > Hi,
>> >
>> > I'm pleased to announce the availability of the first release candidate
>> of
>> > NumPy 1.6.2.  This is a maintenance release. Due to the delay of the
>> NumPy
>> > 1.7.0, this release contains far more fixes than a regular NumPy bugfix
>> > release.  It also includes a number of documentation and build
>> improvements.
>> >
>> > Sources and binary installers can be found at
>> > https://sourceforge.net/projects/numpy/files/NumPy/1.6.2rc1/
>> >
>> > Please test this release and report any issues on the numpy-discussion
>> > mailing list.
>> ...
>> > BLD:   add support for the new X11 directory structure on Ubuntu & co.
>> We've just discovered that this fix is not enough. Actually the new
>> directories are due to the "multi-arch" feature of Debian systems,
>> that allows to install libraries from other (foreign) architectures
>> than the one the machine is (the classic example, i386 libraries on a
>> amd64 host).
>> the fix included to look up in additional directories is currently
>> only for X11, while for example Debian has fftw3 that's
>> multi-arch-ified and thus will fail to be detected.
>> Could this fix be extended to include all other things that are
>> checked? for reference the bug in Debian is [1]; there was also a
>> patch[2] in previous versions, that was using gcc to get the
>> multi-arch paths - you might use as a reference, or to implement
>> something debian-systems-specific.
>> [1] http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=640940
>> [2]
>> http://anonscm.debian.org/viewvc/python-modules/packages/numpy/trunk/debian/patches/50_search-multiarch-paths.patch?view=markup&pathrev=21168
>> It would be awesome is such support would end up in 1.6.2 .
> Hardcoding some more paths to check in distutils/system_info.py should be
> OK, also for 1.6.2 (will require a new RC).
> The --print-multiarch thing looks very questionable. As far as I can tell,
> it's a Debian specific gcc patch, only available in gcc 4.6 and up. Ubuntu
> before 11.10 release also doesn't have it. Therefore I don't think use of
> --print-multiarch is appropriate for numpy for now, and certainly not a
> change I'd like to make to distutils right before a release.
> If anyone with access to a Debian/Ubuntu system could come up with a patch
> which adds the right paths to system_info.py, that would be great.

Hi, if there's anyone wants to have a look at the above issue this week,
that would be great.

If there's a patch by this weekend I can create a second RC, so we can
still have the final release before the end of this month (needed for
Debian freeze). Otherwise a second RC won't be needed.

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