On Fri, 5 Mar 2004 barry@xxxxxxxxxxxxxxxxxxx wrote:
> All,
>
> How can I change something within the spec file while building the
> rpm package using rpmbuild command?
>
> For example, if I have a build number that I need to reflect it in
> the "release:" field, then can I say something like:
>
> %define buildnumber 111
> ...
> Release: %{buildnumber}
>
One approach, of which their are many variants are to use the %() macro.
This is very simular to using backticks (i.e. `ls`) in shell or in bash
$(). So here is a variant. Your wrapper script that calls rpmbuild
writes to a file the build number and your relase line looks like:
Release: %(cat /some/file)
Sometimes what goes in %() is a command:
Release: %(getBuildNumber)
> and when execute rpmbuild, then I type "rpmbuild -bb specfile --
> define 'buildnumber 222' ???
>
And I think that works too.
Oh, and another thing you can do is write a file that defines the
macro, you end up with something like this in said file:
%define buildnumber 222
And then you do this at the top of your spec file:
%{expr: %(cat /some/file.macro)}
Which gets the contents of the macro file, and then evaluates via
the macro processor.
I am sure there are other ways...james
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