Libgc for Indiana [LSARC/2008/067 FastTrack timeout 02/13/2008]

[Brian Cameron]

Terrence:

> The libgc that is distributed with Sun Studio is a commercial product
> that was produced by Geodesic (which has gone out of business).  We have 
> the sources but no authorization to change or distribute them.
> 
> I suspect that an implementation of a "Boehm-Demers-Weiser" GC being
> maintained by Hans Boehm will not have stability or quality problems. 
> The compilers/tools group would have no objection to this version
> superceding the one from Geodesic.

Would it make more sense for someone in the Compilers team to own
libgc rather than the JDS desktop/Indiana team?

Perhaps it is okay for JDS/Indiana to own it for now, but perhaps
it should migrate over to the compilers team over time?

Brian


> Hugh McIntyre wrote:
>> Irene Huang wrote:
>>>> I am setting the timeout for this case to be Feb 13th.
>>>> Please review the proposal at
>>>> http://sac.eng/Archives/CaseLog/arc/LSARC/2008/068/proposal.txt
>> I have no particular objection to this case, because there a bunch of 
>> FOSS that wants to use it.  But, assuming Indiana plans to support 
>> installing the Studio compilers in future, would it be a good idea to 
>> add a short note to the end of any supplied man page to note:
>>
>> 1) The Studio compilers also supply a conflicting libgc.so under 
>> /opt/SUNWspro/lib/libgc.so.  See 
>> http://developers.sun.com/solaris/articles/libgc.html.
>>
>> 2) The Studio version does not need people to edit their programs to 
>> replace malloc() with GC_MALLOC() and the like.  But equally, someone 
>> compiling with the Studio compilers will probably pick up the Studio 
>> version first because of the default link path, even if they are 
>> expecting the version from /usr/lib in this case instead.
>>
>> Maybe there needs to be some provision here to avoid conflicts, or at 
>> least to tell people how to avoid getting such conflicts by mistake?
>>
>> Hugh.
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