Proposal: To add a file /etc/rpm/macros.python to the python-devel subpackage, containing these macros: %python_sitelib %(%{__python} -c "from distutils.sysconfig import get_python_lib; print(get_python_lib())") %python_sitearch %(%{__python} -c "from distutils.sysconfig import get_python_lib; print(get_python_lib(1))") NB "__python" is defined in /usr/lib/rpm/macros as "/usr/bin/python" This would avoid the need to define these macros in every specfile (assuming you had a recent enough python-devel). I've tried doing something similar for python3-devel, see: https://bugzilla.redhat.com/show_bug.cgi?id=526126#c43 One drawback is that the macro files are read (with rpmInitMacros) and expanded on every rpm operation, which means that when python-devel is installed, every "rpm" invocation is going to be quietly invoking /usr/bin/python twice on startup. None of the existing macro files seem to invoke subprocess during expansion.
Created attachment 367514 [details] Patch to add the macros.python file (needs new source file and %changelog entry)
Another way to do this would be to pre-evaluate the values, and bake them in to the macro file. That would avoid invoking /usr/bin/python twice, but would make them not change if __python was redefined.
The python3 macro names should be %python3_sitelib and %python3_sitearch otherwise people are going to get screwed over as the value changes at different points in the specfile (depending on what __python points to). You shouldn't consider the specfile language a real programming language, IMO. So just pre-populating them should be fine.
This bug appears to have been reported against 'rawhide' during the Fedora 12 development cycle. Changing version to '12'. More information and reason for this action is here: http://fedoraproject.org/wiki/BugZappers/HouseKeeping
Panu: am I right in thinking that these macros are supplied now in F-13's rpm?
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