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| author | Nathan Chancellor <nathan@kernel.org> | 2023-01-11 20:05:11 -0700 |
|---|---|---|
| committer | Masahiro Yamada <masahiroy@kernel.org> | 2023-01-26 12:43:26 +0900 |
| commit | 8d9acfce33329d1f4b0f0969a9ba884bea7501c6 (patch) | |
| tree | 1ce7378faf820850b6608a71670afadd9d13e266 /Makefile | |
| parent | db1547c56886742283d7566c872f89cbad76a14c (diff) | |
| download | lwn-8d9acfce33329d1f4b0f0969a9ba884bea7501c6.tar.gz lwn-8d9acfce33329d1f4b0f0969a9ba884bea7501c6.zip | |
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-- | Makefile | 1 |
1 files changed, 0 insertions, 1 deletions
@@ -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 |