Re: [gentoo-user] Why is glibc ntpl+nptl-only?

[Jure Varlec <exzombie@exzombie.homeip.net>]

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On Friday 15 September 2006 07:07, Wolfgang Liebich wrote:
> Hi,
> For my new gentoo system I switched to the latest & greatest profile -
> 2006.1. During the initial installation emerge told me "glibc 2.4 is
> nptlonly" - so I turned on the nptl and nptlonly USE flags in make.conf.
> Now my old linux system (profile 2006.0) tells me the same.
> Sooo - i guess I would have to switch to the no-nptl profile in order to
> keep the old (-nptl -nptlonly) settings. Is this a good Idea? Or is
> using nptl+nptlonly better (faster, less hassle, less memory footprint)
> anyways?
> TIA,
> Wolfgang Liebich

Well, the new glibc-2.4 only supports nptl, unlike glibc-2.3 which supported 
both threading models. So if you want legacy linuxthreads, you have to stay 
with glibc-2.3.
As for being "better", glibc-2.4 is better than 2.3 IMHO. 
Also, "nptl -nptlonly" combination with 2.3 actually builds two versions of 
glibc, one with nptl and one with linuxthreads, so you get a longer compile 
and larger disk footprint.

Regards,
Jure

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