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authorNathan Chancellor <nathan@kernel.org>2023-01-11 20:05:11 -0700
committerMasahiro Yamada <masahiroy@kernel.org>2023-01-26 12:43:26 +0900
commit8d9acfce33329d1f4b0f0969a9ba884bea7501c6 (patch)
tree1ce7378faf820850b6608a71670afadd9d13e266 /Makefile
parentdb1547c56886742283d7566c872f89cbad76a14c (diff)
kbuild: Stop using '-Qunused-arguments' with clang
This option masks all unused command line argument warnings, which can hide potential issues, such as an architecture Makefile adding an unsupported flag to KBUILD_AFLAGS or KBUILD_CFLAGS, which will cause all as-option and cc-options to silently fail due to -Werror with no indication as to why in the main kernel build. Remove this flag so that warnings of this nature can be caught early and obviously in a build. Signed-off-by: Nathan Chancellor <nathan@kernel.org> Reviewed-by: Nick Desaulniers <ndesaulniers@google.com> Tested-by: Linux Kernel Functional Testing <lkft@linaro.org> Tested-by: Anders Roxell <anders.roxell@linaro.org> Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
Diffstat (limited to 'Makefile')
-rw-r--r--Makefile1
1 files changed, 0 insertions, 1 deletions
diff --git a/Makefile b/Makefile
index 05cb0ec3ea94..cf30a8b6463e 100644
--- a/Makefile
+++ b/Makefile
@@ -870,7 +870,6 @@ KBUILD_RUSTFLAGS-$(CONFIG_WERROR) += -Dwarnings
KBUILD_RUSTFLAGS += $(KBUILD_RUSTFLAGS-y)
ifdef CONFIG_CC_IS_CLANG
-KBUILD_CPPFLAGS += -Qunused-arguments
# The kernel builds with '-std=gnu11' so use of GNU extensions is acceptable.
KBUILD_CFLAGS += -Wno-gnu
else