lzma tarball support

[Anders F Björklund]

Joshua Root wrote:

> Vincent Lefevre wrote:
>> Hi,
>>
>> Some packages are now distributed with lzma compression instead of  
>> bzip2,
>> e.g. texinfo 4.12:
>>
>>   http://ftp.gnu.org/gnu/texinfo/
>>
>> Going back to gzip would be a regression, in particular there is a  
>> big
>> size difference (here 2.4 MB for gzip, 1.3 MB for lzma).
>>
>> What changes does a Portfile need to select lzma?
>
> Should just be a matter of setting extract.suffix and extract.cmd
> appropriately. But it might also be nice to add a use_lzma option that
> would do that for you, which would involve adding the option in
> port1.0/portfetch.tcl as well as another case in the  
> fix_extract_suffix
> proc, and adding another case in the extract_init proc in
> port1.0/portextract.tcl.

Added as http://trac.macports.org/changeset/38960

To install the "lzma" program, see port lzmautils.

--anders