[PATCH][bug 48123] Install cpu_defines.h for freestanding C++ library.

[Jakub Jelinek]

On Tue, Mar 15, 2011 at 07:38:27PM +0100, Paolo Carlini wrote:
> >     This patch fixes the problem in bug 48123.  The problem is that
> >some headers include c++config.h, which in turn includes cpu_defines.h
> >but cpu_defines.h is not installed.  This has been broken for a long
> >time.  Patch was tested by bootstrapping on x86_64 and building a
> >cross-gcc for arm-linux-gnueabi in freestanding mode.
> unless either Jakub, the release managers, or the libstdc++
> maintainers manifest contrary opinions over the next few hours, I
> say Ok both mainline and 4_6-branch.

Yeah, this is fine for 4.6 branch.

	Jakub