No lzma sdk in fedora

[Bruno Wolff III]

On Fri, Feb 12, 2010 at 15:04:06 -0800,
  John Reiser <jreiser at bitwagon.com> wrote:
> 
> Going forward, there should be a -libs package (and probably a -devel package)
> and its use should be encouraged (instead of lzma source), particularly for
> new uses.  Probably it is too difficult to force _all_ existing uses of lzma
> source to convert to using -libs.  The reasons have to do with ten years
> of history: the original author of lzma resisted providing libraries,
> the internal interfaces changed too rapidly, the original licensing
> was too restrictive, etc.  Today http://7-zip.org/sdk.html says
> "LZMA SDK is placed in the public domain".

That is the standard stuff. What I was really asking is if there should
be a source package so that upx could be built without having a second
copy of the SDK in another srpm?