On Monday, 27 August 2007, at 20:48:14 (+0200),
Jos Vos wrote:
> Just some excerpts from RHEL5 spec files (some are even used frequently):
>
> %{expand: %%define pyver %(python -c 'import sys;print(sys.version[0:3])')}
This is valid and proper usage, IMHO, because it prevents the subshell
execution (i.e., %(...) expansion) to be invoked every time %{pyver}
is employed in the spec file. I do this too.
> %{expand: %%define build_with_freetype %{?_with_freetype:1}%{!?_with_freetype:0}}
This seems unnecessary, particularly since we already have %bcond_with
and %bcond_without. But I wouldn't call it gratuitous.
> I think this is an example of proper use (as there is a recursion), right?
>
> %{expand: %%define _includedir %{_includedir}/%{name}}
I believe so, yes.
Michael
--
Michael Jennings (a.k.a. KainX) http://www.kainx.org/ <mej@xxxxxxxxx>
Linux Server/Cluster Admin, LBL.gov Author, Eterm (www.eterm.org)
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"I believe God's grace is so incredible that He saves those who so
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