On Mon, Aug 27, 2007 at 02:35:14PM -0400, Jeff Johnson wrote:
> The macro primitive %{expand:...} is like eval in shell.
That's what I thought...
> > When browsing through spec files, I have the impression that it is
> > unnecessarily used in a lot of cases.
>
> Likely.
Just some excerpts from RHEL5 spec files (some are even used frequently):
%{expand: %%define pyver %(python -c 'import sys;print(sys.version[0:3])')}
%{expand: %%define build_with_freetype %{?_with_freetype:1}%{!?_with_freetype:0}}
I think this is an example of proper use (as there is a recursion), right?
%{expand: %%define _includedir %{_includedir}/%{name}}
--
-- Jos Vos <jos@xxxxxx>
-- X/OS Experts in Open Systems BV | Phone: +31 20 6938364
-- Amsterdam, The Netherlands | Fax: +31 20 6948204
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