New Features for Profiles

Jeremy Utley jeremy at
Thu Nov 25 23:05:44 PST 2004

Hui Zhou wrote:

> On Thu, Nov 25, 2004 at 11:51:20PM -0500, Thomas Pegg wrote:
>> On Thu, 25 Nov 2004 20:23:37 -0500, Jeremy Huntwork 
>> <jeremy at> wrote:
>>> Hello all,
>>> Just wanted to put forward a few new features I'd like to see
>>> implemented into the current nALFS profiles, if there are no 
>>> objections.
>>> 1) I'd like to move all the packages that the profiles expect to use in
>>> the config_separate dir to bz2 format. First of all, it makes it
>>> consistent and limits the possibility of mismatch between what you've
>>> actually downloaded and what the profiles expect. Also, since we 
>>> have at
>>> least 2 fast and reliable ftp servers that house all our packages (in
>>> bz2 format) it makes sense to me to use those as primary download
>>> locations and make our profiles match. If there are any files that
>>> aren't released as bz2, of course we can re-compress them and produce
>>> our own new md5 sums, as I believe the ftp mirrors already do.
>> That would be great. I know that Kevin proposed to start using the FTP
>> mirrors a while back (on the website list I think), his biggest
>> concern was bandwidth usage I believe. But really the amount of
>> traffic ALFS would generate I think would be small, compared to LFS.
> How about give the nALFS a little intelligence so it can figure out 
> what is the packagename in pkg.tar.gz or pkg.tar.bz2 and what is the 
> tar format and figure out how to unpack it upon seeing such archive?
>>> 2) There are many I've talked to that *always* remove the md5sum 
>>> feature
>>> from the profiles.  While I think it's good to leave them in by 
>>> default,
>>> I'd like to see at the very least a note in the README that provides a
>>> sed command to remove the <digest> tags from the profile, and at 
>>> most, a
>>> shell script included to do that.  In this way I hope to make it
>>> *slightly* more optional to make use of the md5sums
>> That one will be easy, I know I've got an old sed lying around here
>> somewhere that did just that, a shell script would be even better.
> Instead of modifing the profile, how about give nALFS an option so it 
> can optionally skip checking the checksum?
>>> 3) I'd like the profiles to support parallel building, that is, passing
>>> the -j flag to make. We could make a new entity in general.ent that
>>> specifies the parallel build level and have it set by default to "".
>>> Then, for all packages that are known to build sucessfully with a
>>> reasonable parallel level (2-3 x the number of processors in the
>>> machine) we can include param tags encasing the entity.
>> I think I'll let you handle this one, I don't know a whole lot about
>> parallel building. But it otherwise sounds like a good idea.
> nALFS should be able to improvise on this option also, IMHO.
If you're interested in these things, feel free to write the code and 
submit it as a patch.  Right now, we're looking for a way to integrate 
this type of functionality with the existing nALFS program, which would 
involve adjusting the profiles.


More information about the alfs-discuss mailing list