[oe] [RFC] Adding TLS selection choice to metadata

[Holger Freyther]

On Wednesday 29 July 2009 19:55:38 Khem Raj wrote:

> > To cite my patch:
> >
> > +# The tls/ntpl support in uclibc is work in progress. For the current
> > +# targets we should build gcc with --enable-tls=no. In the future we
> > +# might want to enable TLS for certain architectures and uclibc versions
> > +# so this is why this method exists.
> > +def get_gcc_uclibc_tls_setting(bb, d):
> > +    return "--enable-tls=no"
>
> I was thinking of a case when say nptl is supported on mips
> but someone still wants to build with linuxthreads. In your patch you
> rely upon the target triplet to decide where to enable it and where
> not to. 

In my patch I solely rely on the power of a turing complete language called 
python. In this python method you can place a:

      if bb.data.getVar("TARGET_TLS", d, True)
           return ""

and be done, in analogue to the FPU setting (hence it is right below the FPU 
code). do you agree?

z.