On 03/16/2011 05:54 AM, Jiri Denemark wrote: > --- > If anyone knows how to make rpm to evaluate %(...) immediately and not > at every appearance of rhel/fedora, that would be really cool.
Figured it out without lua: Use %{expand:} to only encounter %define
after the shell substitution has completed (that is, instead of defining
a macro to be a shell substitution, we use shell substitution to
conditionally define a macro to be a constant value).
# If neither fedora nor rhel was defined, try to guess them from %{dist}
%if !0%{?rhel} && !0%{?fedora}
%{expand:%(echo "%{?dist}" | sed -ne 's/^\.el\([0-9]\+\).*/%%define rhel
\1/p')}
%{expand:%(echo "%{?dist}" | sed -ne 's/^\.fc\?\([0-9]\+\).*/%%define
fedora \1/p')}
%endif
Works on RHEL 5, too, since it doesn't use lua.
--
Eric Blake [email protected] +1-801-349-2682
Libvirt virtualization library http://libvirt.org
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