[Sugar-devel] csound or olpcsound (was Re: hello and how can I Join?)

[Jonas Smedegaard]

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On Wed, Feb 11, 2009 at 02:37:17PM +0000, victor wrote:
>> Actually, your expertise would be needed to get the csound packages 
>> into the distributions. Currently we have the standard Csound package 
>> [1] and the olpcsound [2] package in Fedora. We should decide which 
>> package we should move forward.
>> 
>> [1] http://koji.fedoraproject.org/koji/buildinfo?buildID=76556
>> [2] http://koji.fedoraproject.org/koji/buildinfo?buildID=77007
>> 
>
>Good, I am glad to dive in straightaway. This is my opinion:
>
>Csound-5.03 [1] is very old, there is actually a csound-5.07,
>which is much newer. Olpcsound[2] is based on 5.08, the
>last 'stable' version of  libcsound-5.1. 
>
>The difference between the two packages is that olpcsound is
>cut-down and adapted to the requirements of OLPC/XO. Now
>these might not be the same requirements of sugar (as a platform
>independent OS), but is smaller and lighter. It does not have any
>of the CPU intensive DSP code fro spectral processing etc.

Interesting. I was unaware of that optimization issue.

Would it perhaps make sense for Distributions to generically offer 
multiple variants of the csound libraries, with and without 
CPU-intensive processing?

If so, the best approach is to improve upstream CSound build routines to 
compile these library variants, differently named so they can be 
installed concurrently, rather than packagers needing to compile 
everything multiple times and provide conflicting packages.


As a much simpler alternative, if you could isolate the patches and/or 
compile flags needed for XO-friendly builds, then packagers could add 
them, either just commented out or enabled through some environment 
flag, for easy package rebuilding by (sub)distros aiming specifically at 
low-end hardware.



(Your discussion seems Fedora/Redhat-centric to me.  Tell me if I should 
simply keep silent with these more general comments)


  - Jonas

- -- 
* Jonas Smedegaard - idealist og Internet-arkitekt
* Tlf.: +45 40843136  Website: http://dr.jones.dk/

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