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authorMasahiro Yamada <yamada.masahiro@socionext.com>2017-04-13 07:25:21 +0900
committerMasahiro Yamada <yamada.masahiro@socionext.com>2017-04-23 16:09:15 +0900
commita0ae981eba8f07dbc74bce38fd3a462b69a5bc8e (patch)
tree02cbf65f38f581ce0afdcd3c0642bf5c0127b202
parentcf0c3e68aa81f992b0301f62e341b710d385bf68 (diff)
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kbuild: drop -Wno-unknown-warning-option from clang options
Since commit c3f0d0bc5b01 ("kbuild, LLVMLinux: Add -Werror to cc-option to support clang"), cc-option and friends work nicely for clang. However, -Wno-unknown-warning-option makes clang happy with any unknown warning options even if -Werror is specified. Once -Wno-unknown-warning-option is added, any succeeding call of cc-disable-warning is evaluated positive, then unknown warning options are accepted. This should be dropped. Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
-rw-r--r--Makefile1
-rw-r--r--scripts/Makefile.extrawarn1
2 files changed, 0 insertions, 2 deletions
diff --git a/Makefile b/Makefile
index 245852f7b312..f178b9a7b56f 100644
--- a/Makefile
+++ b/Makefile
@@ -689,7 +689,6 @@ KBUILD_CFLAGS += $(stackp-flag)
ifeq ($(cc-name),clang)
KBUILD_CPPFLAGS += $(call cc-option,-Qunused-arguments,)
-KBUILD_CPPFLAGS += $(call cc-option,-Wno-unknown-warning-option,)
KBUILD_CFLAGS += $(call cc-disable-warning, unused-variable)
KBUILD_CFLAGS += $(call cc-disable-warning, format-invalid-specifier)
KBUILD_CFLAGS += $(call cc-disable-warning, gnu)
diff --git a/scripts/Makefile.extrawarn b/scripts/Makefile.extrawarn
index 7c321a603b07..fb3522fd8702 100644
--- a/scripts/Makefile.extrawarn
+++ b/scripts/Makefile.extrawarn
@@ -64,7 +64,6 @@ ifeq ($(cc-name),clang)
KBUILD_CFLAGS += $(call cc-disable-warning, initializer-overrides)
KBUILD_CFLAGS += $(call cc-disable-warning, unused-value)
KBUILD_CFLAGS += $(call cc-disable-warning, format)
-KBUILD_CFLAGS += $(call cc-disable-warning, unknown-warning-option)
KBUILD_CFLAGS += $(call cc-disable-warning, sign-compare)
KBUILD_CFLAGS += $(call cc-disable-warning, format-zero-length)
KBUILD_CFLAGS += $(call cc-disable-warning, uninitialized)
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