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Re: gmake help with removing duplicate files
From: |
Ralf Wildenhues |
Subject: |
Re: gmake help with removing duplicate files |
Date: |
Wed, 20 Feb 2008 19:52:08 +0100 |
User-agent: |
Mutt/1.5.13 (2006-08-11) |
* Jonathan wrote on Wed, Feb 20, 2008 at 07:25:12PM CET:
>
> > > I have an interesting filter problem (I think). I would like to
> > > remove duplicate filenames
> >
> > Why would you need that?
>
> The short answer is the final list is for a linker and the linker
> complains of multiply defined symbols. The long answer is that final
> list is constructed from a small set of local objects and a very large
> set of remote objects to allow a user to link an application without
> recompile of the entire project (or even ownership of the entire pr
I think you want to use an archive (a static library) for your "remote
objects".
> > With GNU make, use $(sort $(LIST1) $(LIST2)).
>
> This will return:
>
> file1.o file2.o file3.o path/file3.o path/file4.o path/file5.o
>
> which has the duplicates file3.o and path/file3.o. The sort function
> uses the entire filepath/name string rather than just the filename.
I'm sure GNU make's functions can be hacked to provide this, but I don't
think it's worth it, see above.
Cheers,
Ralf