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| author | Joel Stanley <joel@jms.id.au> | 2018-09-17 17:07:54 +0930 |
|---|---|---|
| committer | Masahiro Yamada <yamada.masahiro@socionext.com> | 2018-09-19 23:53:54 +0900 |
| commit | 5a4630aadb9a9525474e9ac92965829f990cb5c4 (patch) | |
| tree | 0cf3aaaf7087f75c4070db8360c2b89f5a1c1334 /scripts/Makefile.build | |
| parent | 11da3a7f84f19c26da6f86af878298694ede0804 (diff) | |
| download | lwn-5a4630aadb9a9525474e9ac92965829f990cb5c4.tar.gz lwn-5a4630aadb9a9525474e9ac92965829f990cb5c4.zip | |
ftrace: Build with CPPFLAGS to get -Qunused-arguments
When building to record the mcount locations the kernel uses
KBUILD_CFLAGS but not KBUILD_CPPFLAGS. This means it lacks
-Qunused-arguments when building with clang, resulting in a lot of
noisy warnings.
Signed-off-by: Joel Stanley <joel@jms.id.au>
Reviewed-by: Nick Desaulniers <ndesaulniers@google.com>
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Diffstat (limited to 'scripts/Makefile.build')
| -rw-r--r-- | scripts/Makefile.build | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/scripts/Makefile.build b/scripts/Makefile.build index 5a2d1c9578a0..54da4b070db3 100644 --- a/scripts/Makefile.build +++ b/scripts/Makefile.build @@ -219,7 +219,7 @@ else sub_cmd_record_mcount = set -e ; perl $(srctree)/scripts/recordmcount.pl "$(ARCH)" \ "$(if $(CONFIG_CPU_BIG_ENDIAN),big,little)" \ "$(if $(CONFIG_64BIT),64,32)" \ - "$(OBJDUMP)" "$(OBJCOPY)" "$(CC) $(KBUILD_CFLAGS)" \ + "$(OBJDUMP)" "$(OBJCOPY)" "$(CC) $(KBUILD_CPPFLAGS) $(KBUILD_CFLAGS)" \ "$(LD) $(KBUILD_LDFLAGS)" "$(NM)" "$(RM)" "$(MV)" \ "$(if $(part-of-module),1,0)" "$(@)"; recordmcount_source := $(srctree)/scripts/recordmcount.pl |