[PATCH 19.11 v1 3/3] net/ice: build failure with make and clang < 13

[Haiyue Wang]

Check the clang version before enabling '-Wno-unused-but-set-variable',
otherwise it will have "error: unknown warning option".

https://reviews.llvm.org/D100581

Bugzilla ID: 913

Signed-off-by: Haiyue Wang <haiyue.wang at intel.com>
---
 drivers/net/ice/Makefile | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/net/ice/Makefile b/drivers/net/ice/Makefile
index 370b33af60..9cfd059781 100644
--- a/drivers/net/ice/Makefile
+++ b/drivers/net/ice/Makefile
@@ -26,7 +26,9 @@ CFLAGS_BASE_DRIVER +=
 else ifeq ($(CONFIG_RTE_TOOLCHAIN_CLANG),y)
 CFLAGS_BASE_DRIVER += -Wno-unused-parameter
 CFLAGS_BASE_DRIVER += -Wno-unused-variable
+ifeq ($(shell test $(CLANG_MAJOR_VERSION) -ge 13 && echo 1), 1)
 CFLAGS_BASE_DRIVER += -Wno-unused-but-set-variable
+endif
 else
 CFLAGS_BASE_DRIVER += -Wno-unused-parameter
 CFLAGS_BASE_DRIVER += -Wno-unused-variable
-- 
2.34.1