[PATCH] Define GEN_AS_CONST_HEADERS when generating header files [BZ #22792]

[Florian Weimer]

On 02/08/2018 06:58 PM, H.J. Lu wrote:
> 	[BZ #22792]
> 	* Makerules ($(common-objpfx)%.h): Pass -DGEN_AS_CONST_HEADERS
> 	to $(CC).
> 	* sysdeps/unix/sysv/linux/i386/lowlevellock.h: Include
> 	<tcb-offsets.h> only if GEN_AS_CONST_HEADERS isn't defined.
> 	* sysdeps/unix/sysv/linux/x86_64/lowlevellock.h: Don't include
> 	<tcb-offsets.h>.

It looks to me that a cleaner fix would be to move the definition of the 
TCB types to a separate header.

The circular dependency is just a cosmetic warning from make, right?

Thanks,
Florian