Re: non-threaded perl no longer in .spec file

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At Mon, 30 Nov 2009 16:16:43 -0500 CentOS mailing list <centos@xxxxxxxxxx> wrote:

> 
> Hello,
> 
> I'm setting up a new server on 5.4 and noticed this in the perl.spec file:
> 
> 
> * Mon Jul 21 2008 Stepan Kasal - 4:5.8.8-14.el5
> - add two patches, which...
> - Resolves: #435505, #431041
> - remove %%define threading, the non-threading variant is not supported,
>   Related: 435376
> 
> 
> That comment wasn't there when I set up a server on 5.2 a few months 
> back and the %define threading option was still in the perl.spec file, 
> making it easy for me to create my own non-threaded perl.
> 
> I want a non-threaded perl because the mod_perl folks say that the 
> performance is better on a non-threaded perl.
> 
> I believe I can compare the spec files and figure out where to edit the 
> new spec file, but I wondered about that "not supported" comment.
> 
> Is there something "bad" about the non-threading variant?

Probably the same thing that is bad about a single core processor. 
Which are pretty much no longer available (except for processors meant
for little SBC/Embedded systems).  I suspect that either RH or (more
likely) the Perl people don't want to have to support two versions of
Perl, one with and one without threading.

> 
> Thanks!
> 
> Take care,
> 
> Kurt Hansen
> khansen@xxxxxxxxxxxxxx
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> 
>                                                                                                                     

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