[scl.org] Solved: Question about generating RPMs that depend on SCLs (like python27)

Fri Jul 18 19:43:10 UTC 2014

Looks like it finally works:
Here are the key lines from my spec file:

%global pymajor %(python -c 'import sys; print "%s" % sys.version_info[0]')
%global pyminor %(python -c 'import sys; print "%s" % sys.version_info[1]')

%global uses_systemd  %(test -f /usr/lib/systemd/systemd && echo 1 || 
echo 0)
%global python27_native %(test %{pyminor} -ge 7 && echo 1 || echo 0)
%if %{python27_native}
%else
%global scl_python python27
%global scl %{scl_python}
%global _scl_root /opt/rh/%{scl_python}/root
%global __python %{_scl_root}%{__python}
%global scl_prefix %{scl_python}-
%global __python_requires %{%{scl_python}_python_requires}
%global __python_provides %{%{scl_python}_python_provides}
%global __os_install_post %{python27_os_install_post}
%global python_sitearch %{_scl_root}/%{_libdir}/python2.7/site-packages
%endif

I've attached the whole thing for your reading pleasure.

The only thing I defined that I didn't really need was the scl_python.  
I could have used scl, but thought scl_python was clearer.  Note that 
you have to define more or less all the other things in the else 
condition of that if statement.

On 07/18/2014 01:03 PM, Alan Robertson wrote:
> Next error - not sure what to do about this one...
>
>
> + scl enable python27 
> '/usr/lib/rpm/redhat/brp-python-bytecompile-with-scl-python 
> /usr/bin/python 1 %{_scl_root}'
> Compiling 
> /rpmbuild/BUILDROOT/assimilation-cma-0.1.4-0.30.x86_64/opt/rh/python27/root/usr/lib64/python2.7/site-packages/assimilation/assimcli.py 
> ...
> SyntaxError: ('invalid syntax', 
> ('/opt/rh/python27/root/usr/lib64/python2.7/site-packages/assimilation/assimcli.py', 
> 157, 22, "options = {'language', 'format'}\n"))
>
> Compiling 
> /rpmbuild/BUILDROOT/assimilation-cma-0.1.4-0.30.x86_64/opt/rh/python27/root/usr/lib64/python2.7/site-packages/assimilation/cmaconfig.py 
> ...
> SyntaxError: ('invalid syntax', 
> ('/opt/rh/python27/root/usr/lib64/python2.7/site-packages/assimilation/cmaconfig.py', 
> 42, 53, " {'linkdiscovery',       # listens for CMA/LLDP packets\n"))
>
> *[This syntax is >= 2.7 python only]*
>
> error: Bad exit status from /var/tmp/rpm-tmp.FIkESm (%install)
>     Bad exit status from /var/tmp/rpm-tmp.FIkESm (%install)
>
>> scl enable python27 
>> '/usr/lib/rpm/redhat/brp-python-bytecompile-with-scl-python 
>> /usr/bin/python 1 %{_scl_root
>
> It is using /usr/bin/python to compile my python 2.7 programs. What's 
> up with that?
>
>
> On 07/18/2014 11:15 AM, Alan Robertson wrote:
>> Next error:
>>
>> extracting debug info from 
>> /rpmbuild/BUILDROOT/assimilation-cma-0.1.4-0.30.x86_64/usr/sbin/nanoprobe
>> 1376 blocks
>> + /usr/lib/rpm/check-buildroot
>> + /usr/lib/rpm/brp-scl-compress '%{_scl_root}'
>> + /usr/lib/rpm/redhat/brp-strip /usr/bin/strip
>> + /usr/lib/rpm/redhat/brp-strip-comment-note /usr/bin/strip 
>> /usr/bin/objdump
>> + /usr/lib/rpm/redhat/brp-strip-static-archive /usr/bin/strip
>> + scl enable %scl 
>> '/usr/lib/rpm/redhat/brp-python-bytecompile-with-scl-python 
>> /usr/bin/python 1 %{_scl_root}'
>> Unable to open /etc/scl/prefixes/%scl!
>> error: Bad exit status from /var/tmp/rpm-tmp.eqUbD6 (%install)
>>     Bad exit status from /var/tmp/rpm-tmp.eqUbD6 (%install)
>>
>> I'm guessing need to define %scl.
>>
>> It looks to me like these macros expect that you're *defining* a 
>> package, not using one.  Good thing I don't need more than one, or 
>> I'd be in a world of hurt (which is how it feels now anyway).
>>
>>
>> On 07/18/2014 11:10 AM, Alan Robertson wrote:
>>> On 07/16/2014 02:30 AM, Bohuslav Kabrda wrote:
>>>> That's correct. The problem here is, I think, that the package 
>>>> places it's files into sitearch of the SCL, but it's not actually 
>>>> an SCL package. One of the results of having it as non-SCL package 
>>>> means, that %scl_package_override() function, present in the 
>>>> python27-build subpackage doesn't get invoked. This function looks 
>>>> like this (you need to 's/@scl@/python27/'):
>>>>
>>>> # override __os_install_post for this collection
>>>> # the python27_os_install_post macro is defined in 
>>>> macros.python2.python27 in python27-python-devel
>>>> # the name is intentionally hardcoded to always provide the same name
>>>> %scl_package_override() %{expand:%{?@scl at _os_install_post:%global 
>>>> __os_install_post %@scl at _os_install_post}
>>>> %global __python_requires %@scl at _python_requires
>>>> %global __python_provides %@scl at _python_provides
>>> This looks like it has a typo in it.
>>>
>>> If @scl@ is python27, then
>>>
>>>     %global __python_requires %@scl at _python_requires
>>> becomes
>>>     %global __python_requires python27_python_requires
>>> and
>>>     %global __python_provides %@scl at _python_provides
>>> becomes
>>>     %global __python_provides python27_python_provides
>>>
>>> Why is the original spelled with two underscores 
>>> ("__python_requires") but the replacement name 
>>> ("python27_python_requires") only has one underscore?
>>>
>>> This seems a bit inconsistent...  It looks correct, but inconsistent...
>>>
>>>
>>> I see that the python27_python_requires macro is defined in 
>>> /etc/rpm/macros.python2.python27.  I see that __python_requires is 
>>> defined in the file /usr/lib/rpm/macros.
>>> The definition of python27_python_requires is:
>>> %python27_python_provides /usr/lib/rpm/pythondeps-scl.sh --provides 
>>> %{?scl_prefix}
>>> %python27_python_requires /usr/lib/rpm/pythondeps-scl.sh --requires 
>>> %{?scl_prefix}
>>>
>>> So, it expects you to set scl_prefix.  I set it to "python27-" From 
>>> what I can see in the macro definitions, that's what I expect it 
>>> would want.
>>>
>>> Well, at least now I get different problems!
>>>
>>> + install -p -D -m0755 
>>> /rpmbuild/BUILDROOT/assimilation-cma-0.1.4-0.30.x86_64/etc/init.d/cma /rpmbuild/BUILDROOT/assimilation-cma-0.1.4-0.30.x86_64/etc/rc.d/init.d/assimilation-cma 
>>>
>>> + install -p -D -m0755 
>>> /rpmbuild/BUILDROOT/assimilation-cma-0.1.4-0.30.x86_64/etc/init.d/nanoprobe 
>>> /rpmbuild/BUILDROOT/assimilation-cma-0.1.4-0.30.x86_64/etc/rc.d/init.d/assimilation-nanoprobe 
>>>
>>> + rm -f 
>>> /rpmbuild/BUILDROOT/assimilation-cma-0.1.4-0.30.x86_64/etc/init.d/cma /rpmbuild/BUILDROOT/assimilation-cma-0.1.4-0.30.x86_64/etc/init.d/nanoprobe 
>>>
>>> + mkdir -p 
>>> /rpmbuild/BUILDROOT/assimilation-cma-0.1.4-0.30.x86_64/var/run/assimilation
>>> + mkdir -p 
>>> /rpmbuild/BUILDROOT/assimilation-cma-0.1.4-0.30.x86_64/var/run/nanoprobe 
>>>
>>> + mkdir -p 
>>> /rpmbuild/BUILDROOT/assimilation-cma-0.1.4-0.30.x86_64/usr/lib64
>>> + mkdir -p 
>>> /rpmbuild/BUILDROOT/assimilation-cma-0.1.4-0.30.x86_64/opt/rh/python27/root//usr/lib64/python2.7/site-packages/assimilation/testcode
>>> + /usr/lib/rpm/brp-scl-compress '%{_scl_root}'
>>> /var/tmp/rpm-tmp.uQBlOW: line 59: /usr/lib/rpm/brp-scl-compress: No 
>>> such file or directory
>>> error: Bad exit status from /var/tmp/rpm-tmp.uQBlOW (%install)
>>>     Bad exit status from /var/tmp/rpm-tmp.uQBlOW (%install)
>>>
>>> Looks like that should come from scl-utils-build...
>>>
>>
>>
>
>
> -- 
>      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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-- 
     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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