ARM: enable interpreter, add locks code

[Daniel Jacobowitz]

On Thu, Jul 12, 2007 at 02:37:06PM +0100, Andrew Haley wrote:
> Daniel Jacobowitz writes:
>  > On Thu, Jul 12, 2007 at 02:08:23PM +0100, Andrew Haley wrote:
>  > > Quite.  There are many things that we can worry about, but I'm quite
>  > > happy to wait for this to be fixed by the LinuxThreads people.
>  > 
>  > It won't be, unfortunately.  LinuxThreads is dead and will not be
>  > fixed.  NPTL, the replacement, gets to assume a sufficiently new
>  > kernel version that it can call into the kernel for atomic operations
>  > (there are helper functions at a magic location since around 2.6.15).
> 
> OK, so we should autoconf for the kernel version?  Something else?
> I'm testing on 2.6.18-4.

Please don't try to detect the configure version at build time - that
never ends well, especially not for distribution builders.

That's why I said there was no easy solution to this problem.  Sorry,
I don't have any bright ideas; you've heard everything I know about it
now.

-- 
Daniel Jacobowitz
CodeSourcery