[scl.org] Question about generating RPMs that depend on SCLs (like python27)
Alan Robertson
alanr at unix.sh
Fri Jul 18 13:18:19 UTC 2014
I didn't understand that email at all... I'll review it again and see
if I can make any more sense out of it.
It seemed like it had a lot more macros in it than I need. Since I
don't know what most of them do, that makes it harder.
On 07/18/2014 01:29 AM, Bohuslav Kabrda wrote:
> ----- Original Message -----
>> Python 2.6 is required by ThingsInTheUniverse:
>>
>> bash-4.1# rpm --erase python
>> error: Failed dependencies:
>> python(abi) = 2.6 is needed by (installed)
>> python-libs-2.6.6-52.el6.x86_64
>> python(abi) = 2.6 is needed by (installed)
>> pygpgme-0.1-18.20090824bzr68.el6.x86_64
>> python(abi) = 2.6 is needed by (installed)
>> python-pycurl-7.19.0-8.el6.x86_64
>> python(abi) = 2.6 is needed by (installed)
>> python-urlgrabber-3.9.1-9.el6.noarch
>> python(abi) = 2.6 is needed by (installed)
>> rpm-python-4.8.0-37.el6.x86_64
>> python(abi) = 2.6 is needed by (installed)
>> python-iniparse-0.3.1-2.1.el6.noarch
>> python(abi) = 2.6 is needed by (installed)
>> yum-metadata-parser-1.1.2-16.el6.x86_64
>> python(abi) = 2.6 is needed by (installed)
>> yum-3.2.29-43.el6.centos.noarch
>> python(abi) = 2.6 is needed by (installed)
>> mercurial-1.4-3.el6.x86_64
>> python-sqlite is needed by (installed)
>> yum-3.2.29-43.el6.centos.noarch
>> python >= 2.4 is needed by (installed)
>> yum-3.2.29-43.el6.centos.noarch
>> python is needed by (installed) mercurial-1.4-3.el6.x86_64
>> /usr/bin/python is needed by (installed)
>> python-urlgrabber-3.9.1-9.el6.noarch
>> /usr/bin/python is needed by (installed)
>> yum-3.2.29-43.el6.centos.noarch
>> /usr/bin/python is needed by (installed) gettext-0.17-16.el6.x86_64
>> /usr/bin/python is needed by (installed)
>> nfs-utils-1:1.2.3-39.el6.x86_64
>> /usr/bin/python is needed by (installed)
>> redhat-lsb-core-4.0-7.el6.centos.x86_64
>> /usr/bin/python is needed by (installed) mercurial-1.4-3.el6.x86_64
>> /usr/bin/python is needed by (installed)
>> glib2-devel-2.26.1-7.el6_5.x86_64
>>
>> Like, for example -- yum -- and glib2-devel (which I require), and
>> gettext - so removing it is out of the question.
>>
>> I've attached my current spec file. The problem seems to be this:
>> The pre-existing python automatic-dependency generator thinks I
>> need python(abi) = 2.7.
>> But the python27 package supplies python27-python(abi) = 2.7.
>>
>> So, I need to do one of two things:
>> 1) turn off automatic dependency generation for python
>> 2) Force a different automatic dependency generation process to be
>> used (one that is python27 aware)
>> WITHOUT removing the "standard" RHEL6 python (which can't
>> be done).
>>
>> Does anyone know how to do either thing?
> I don't think you can turn it off, but you could probably filter it out. Anyway, I wrote about the custom generators in collections and how to use them in my previous mail [1]
>
> Hope this helps,
> Slavek
>
> [1] https://www.redhat.com/archives/sclorg/2014-July/msg00031.html
>
>> The first alternative seems to be the easier one,
>>
>>
>>
>>
>> On 07/16/2014 02:01 AM, Honza Horak wrote:
>>> On 07/16/2014 06:29 AM, Alan Robertson wrote:
>>>> So, I'm trying to take the page you pointed at seriously - so I added
>>>> this line from that page:
>>>>
>>>> BuildRequires: scl-utils-build
>>>>
>>>>
>>>> There is no such package. What was intended here?
>>> This package is included in optional channel, but you shouldn't need
>>> it, because you are preparing non-SCL package and scl-utils-build is
>>> intended only for building SCL packages.
>>>
>>> Anyway, what is obviously wrong in your case is generating the python
>>> requirements. These generators are delivered in python-devel and
>>> python27-python-devel packages. So, if I'm not mistaken, your package
>>> (and building environment) must include python27-python-devel but not
>>> python-devel. In spec file you should have:
>>> BuildRequires: python27-python-devel
>>>
>>> But be careful about packages installed during building (if you build
>>> in your working environment), since I'm not sure which package gets
>>> preference in case both python-devel and python27-python-devel are
>>> installed.
>>>
>>> Regards,
>>> Honza
>>>
>>>>
>>>> On 07/15/2014 04:09 PM, Orion Poplawski wrote:
>>>>> On 07/15/2014 04:06 PM, Orion Poplawski wrote:
>>>>>> On 07/15/2014 03:55 PM, Alan Robertson wrote:
>>>>>>> OK. It was pointed out to me off-list that I was comparing the
>>>>>>> wrong thing.
>>>>>>> I should have been looking at python27-python. Here's what that
>>>>>>> package shows:
>>>>>>>
>>>>>>> bash-4.1# *rpm -q --provides python27-python*
>>>>>>> python27-python-abi = 2.7
>>>>>>> python27-python(abi) = 2.7
>>>>>>> python27-Distutils
>>>>>>> python27-python2 = 2.7.5
>>>>>>> python27-python-sqlite = 2.3.2
>>>>>>> python27-python-ctypes = 1.0.1
>>>>>>> python27-python-hashlib = 20081120
>>>>>>> python27-python-uuid = 1.31
>>>>>>> python27-python-argparse = 2.7.5-7.el6.centos.alt
>>>>>>> python27-python = 2.7.5-7.el6.centos.alt
>>>>>>> python27-python(x86-64) = 2.7.5-7.el6.centos.alt
>>>>>>> bash-4.1#
>>>>>>>
>>>>>>> Either I'm failing to do something to appease the automagical
>>>>>>> python-version
>>>>>>> detection (which I have no idea how it figures that out), or the
>>>>>>> property
>>>>>>> names in python27-python should not have the "python27-" prefix.
>>>>>>>
>>>>>>> Anyone know which it is - and how to deal with it?
>>>>>>>
>>>>>>> It seems to me like the attributes of the provides should not be
>>>>>>> prefixed by
>>>>>>> python27. But I'm new to this SCL stuff...
>>>>>> FWIW - they "python(abi) = ##" requires is added by
>>>>>> /usr/lib/rpm/pythondeps.sh
>>>>>> as part of the standard rpm dependency generation. So yes, for this
>>>>>> to work
>>>>>> with the scl, either the scl needs to provide "python(abi) = 2.7" or
>>>>>> you will
>>>>>> need to disable the automatic requires generation or filter out the
>>>>>> python(abi) line.
>>>>>>
>>>>>> We're all new to this SCL stuff.... :)
>>>>>>
>>>>>>
>>>>> Here's the magic from
>>>>> https://access.redhat.com/documentation/en-US/Red_Hat_Developer_Toolset/2/html/Software_Collections_Guide/sect-Extending_the_python27_and_python33_Software_Collections.html
>>>>>
>>>>>
>>>>>
>>>>> # Similarly, override __python_requires for automatic dependency
>>>>> generator
>>>>> %global __python_requires %{%{scl_python}_python_requires}
>>>>>
>>>>>
>>>>
>>>> --
>>>> Alan Robertson<alanr at unix.sh> - @OSSAlanR
>>>>
>>>> "Openness is the foundation and preservative of friendship... Let me
>>>> claim from you at all times your undisguised opinions." - William
>>>> Wilberforce
>>>>
>>
>> --
>> Alan Robertson <alanr at unix.sh> - @OSSAlanR
>>
>> "Openness is the foundation and preservative of friendship... Let me claim
>> from you at all times your undisguised opinions." - William Wilberforce
>>
>>
--
Alan Robertson <alanr at unix.sh> - @OSSAlanR
"Openness is the foundation and preservative of friendship... Let me claim from you at all times your undisguised opinions." - William Wilberforce
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