[Buildroot] [PATCH 1/6] toolchain: introduce a toolchain knob for NPTL

[Arnout Vandecappelle <arnout@mind.be>]

On 13/02/14 14:22, Thomas Petazzoni wrote:
> As our architecture support expands to a number of architectures that
> do not implement NPTL threading, and the number of packages that
> depend on NPTL specific features, it has become necessary to be able
> to know whether the toolchain has NPTL support or not.
> 
> This commit adds a new BR2_TOOLCHAIN_HAS_THREADS_NPTL hidden Config.in
> option that allows packages to know whether NPTL is available or not.
> 
> This hidden option is:
> 
>  * Automatically enabled when glibc/eglibc or musl toolchains are
>    used, either internal or external.
> 
>  * Automatically enabled when an internal uClibc toolchain with NPTL
>    support is configured. It is left disabled otherwise for internal
>    uClibc toolchains.
> 
>  * Configured according to a visible Config.in option for custom
>    external uClibc toolchains.

 I think there is very little reason left to use NPTL on archs that
support it, isn't there? So I would first remove the option completely
for these architectures. That would also make adding a comment
unnecessary (since it becomes an architecture feature rather than a
toolchain option).

 Regards,
 Arnout

-- 
Arnout Vandecappelle                          arnout at mind be
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