Add -Werror=implicit-function-declaration as Linux does.
If you do not check the prototype, it may go wrong run-time. It is better to break the build, and require to include correct headers.
Signed-off-by: Masahiro Yamada yamada.masahiro@socionext.com ---
Makefile | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/Makefile b/Makefile index cc99873062..f8b136a07f 100644 --- a/Makefile +++ b/Makefile @@ -419,7 +419,7 @@ CHECKFLAGS := -D__linux__ -Dlinux -D__STDC__ -Dunix -D__unix__ \ KBUILD_CPPFLAGS := -D__KERNEL__ -D__UBOOT__
KBUILD_CFLAGS := -Wall -Wstrict-prototypes \ - -Wno-format-security \ + -Werror=implicit-function-declaration -Wno-format-security \ -fno-builtin -ffreestanding $(CSTD_FLAG) KBUILD_CFLAGS += -fshort-wchar -fno-strict-aliasing KBUILD_AFLAGS := -D__ASSEMBLY__