On 26 October 2013 09:02, Nils Wagner <nils...@googlemail.com> wrote:
> The problem persists in master.
>
>
>
> On Fri, Aug 30, 2013 at 7:39 PM, Nils Wagner <nils...@googlemail.com>wrote:
>
>> You are right.
>> The first one fails, the second works for me.
>>
>>
>> Nils
>>
>>
>>
>> On Fri, Aug 30, 2013 at 7:20 PM, Michael Droettboom <md...@stsci.edu>wrote:
>>
>>> I wonder if it's commit 6b827cbf.
>>>
>>> Can you do:
>>>
>>> git checkout 6b827cbf
>>> python setup.py build
>>> # confirm it fails
>>>
>>> git checkout 6b827cbf^
>>> python setup.py build
>>> # Does this work?
>>>
>>> Mike
>>>
>>>
>>> On 08/30/2013 01:06 PM, Nils Wagner wrote:
>>>
>>> Hi Michael,
>>>
>>> Thank you for your note.
>>> If I remember correctly I was able to build matplotlib a week ago.
>>> I am using opensuse12.3
>>>
>>> Nils
>>>
>>> rpm -qi python-cxx
>>> Name : python-cxx
>>> Version : 6.2.3
>>> Release : 2.2
>>> Architecture: noarch
>>> Install Date: Sa 27 Jul 2013 15:48:45 CEST
>>> Group : Development/Languages/Python
>>> Size : 9783
>>> License : GPL
>>> Signature : RSA/SHA1, Mo 22 Jul 2013 20:26:22 CEST, Key ID
>>> 45a1d0671abd1afb
>>> Source RPM : python-cxx-6.2.3-2.2.src.rpm
>>> Build Date : Mo 22 Jul 2013 15:27:08 CEST
>>> Build Host : swkj07
>>> Relocations : (not relocatable)
>>> Packager : pack...@links2linux.de
>>> Vendor : http://packman.links2linux.de
>>> URL : http://CXX.sourceforge.net/
>>> Summary : Write Python extensions in C++
>>> Description :
>>> PyCXX is a set of classes to help create extensions of Python in the C
>>> language. The first part encapsulates the Python C API taking care of
>>> exceptions and ref counting. The second part supports the building of
>>> Python
>>> extension modules in C++.
>>> Distribution: Extra / openSUSE_12.3
>>>
>>>
>>>
>>> On Fri, Aug 30, 2013 at 6:46 PM, Michael Droettboom <md...@stsci.edu>wrote:
>>>
>>>> It looks like a version mismatch with PyCXX. Was it recently updated
>>>> or changed? What version of PyCXX do you have? What was the last version
>>>> of matplotlib that worked for you?
>>>>
>>>> You can force matplotlib to use its local copy of PyCXX by uninstalling
>>>> PyCXX, or adding the following lines to the top of PyCXX::check in
>>>> setupext.py:
>>>>
>>>> self.__class__.found_external = False
>>>> return "Couldn't import. Using local copy."
>>>>
>>>> (But really, we should update setupext so users can specify the local
>>>> override in setup.cfg).
>>>>
>>>> Mike
>>>>
>>>>
>>>> On 08/30/2013 12:35 PM, Nils Wagner wrote:
>>>>
>>>> Hi all,
>>>>
>>>> I cannot build the latest matplotlib from git. The build log is
>>>> attached.
>>>>
>>>> Nils
>>>>
>>>> I have had a quick look at this and it seems the problem lies in
setupext.py. CXX.check() contains
return self._check_for_pkg_config('PyCXX', 'CXX/Extensions.hxx',
min_version='6.2.4')
which requires version 6.2.4 or later of CXX. Nils has 6.2.3 and so this
check should fail and matplotlib should fall back to using the local copy
of CXX. SetupPackage._check_for_pkg_config() does check min_version if CXX
is installed using pkg-config, but if it is not then min_version is ignored
as the function raises a CheckFailed error before min_version is
considered. CXX.check() catches this error and uses the system-installed
CXX regardless of its version.
To check the CXX version we probably need to look in CXX/Version.hxx. I am
not sure how to proceed; do you have any ideas Mike?
Nils, as a stopgap you could either remove your python-cxx and
python-cxx-devel rpms if you don't need them for anything else, or upgrade
them to 6.2.4. There is a 6.2.4 on rpm.pbone.net even though there isn't
one on packman.links2linux.de.
Ian
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