tree ed5ae717a4f30343d45e77c77934885610a5aac3
parent e708c24cd01ce80b1609d8baccee40ccc3608a01
author Brian Norris <computersforpeace@gmail.com> 1452277809 -0800
committer Michael Ellerman <mpe@ellerman.id.au> 1452504652 +1100

cxl: fix build for GCC 4.6.x

GCC 4.6.3 does not support -Wno-unused-const-variable. Instead, use the
kbuild infrastructure that checks if this options exists.

Fixes: 2cd55c68c0a4 ("cxl: Fix build failure due to -Wunused-variable behaviour change")
Suggested-by: Michal Marek <mmarek@suse.com>
Suggested-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Brian Norris <computersforpeace@gmail.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>