[PATCH] powerpc: Enable demuxed sysv IPC syscalls

[Joseph Myers]

On Thu, 3 Dec 2015, Adhemerval Zanella wrote:

> My inclination would to avoid the __ASSUME_XXX macros definition and just
> check if the current kernel header defines of not __NR_msgctl and use it
> as the condition to enable the wire-up syscall.

I'm not clear exactly what you're suggesting.  If you check like that 
(whether the kernel headers, possibly for a newer kernel than the minimum 
supported by that glibc build, define a syscall number) then you need a 
run-time fallback if the new syscall fails with ENOSYS.

-- 
Joseph S. Myers
joseph@codesourcery.com