[PATCH 1/4] Add framework for tunables

[Siddhesh Poyarekar]

On Friday 30 December 2016 06:57 PM, Joseph Myers wrote:
> Note that __bultin_trap generates a call to abort on some platforms.  It 
> can only be used in places where such a call is OK; we've had problems 
> with the isolate-erroneous-paths optimization generating such calls.  So 
> make sure anything using __bultin_trap builds OK for SH with 
> build-many-glibcs.py, for example.

Oh, then I think I'll stick to __builtin_unreachable for now and then
maybe post an addon patch to use __builtin_trap once I have verified all
target builds.  I'm setting up the tree for build-many-glibcs right now.

Siddhesh