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 <[email protected]>
Suggested-by: Arnd Bergmann <[email protected]>
Signed-off-by: Brian Norris <[email protected]>
---
v2: don't remove -Werror
drivers/misc/cxl/Makefile | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/misc/cxl/Makefile b/drivers/misc/cxl/Makefile
index 6982f603fadc..ab6f392d3504 100644
--- a/drivers/misc/cxl/Makefile
+++ b/drivers/misc/cxl/Makefile
@@ -1,4 +1,4 @@
-ccflags-y := -Werror -Wno-unused-const-variable
+ccflags-y := -Werror $(call cc-disable-warning, unused-const-variable)
cxl-y += main.o file.o irq.o fault.o native.o
cxl-y += context.o sysfs.o debugfs.o pci.o trace.o
--
2.6.0.rc2.230.g3dd15c0
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