Re: help loading additional macros from file

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On Tue, 2007-07-03 at 11:54 -0500, Tim Mooney wrote:
> All-
> 
> I need some macro-fu help.  I want to (in a spec file)
> 
> - test to see if a particular macro is defined.
> - if it's not, I would like to
>  	- source/load a file that has additional macro definitions, making
>  	  them available in my spec file.
>  	- for extra credit, if the file doesn't exist, exit with an error.
> 
> 
> It looks like I can do the test part with something like
> 
> %if %{undefined perl_sitelib}

Does something like this work for you:

%{!?foo: %{expand: %%include /path/to/foo}}

Where /path/to/foo contains a bunch of %global foo bar type definitions,
you can include from the build root or a SourceN too

Paul

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