kbuild: add -Werror=implicit-int flag unconditionally

Backported from kernel
commit 61a0902a06d6a ("kbuild: add -Werror=implicit-int flag unconditionally")

Signed-off-by: Ilias Apalodimas <ilias.apalodimas@linaro.org>

diff --git a/Makefile b/Makefile
index 6c01ccf..7e1b36e 100644 (file)
--- a/Makefile
+++ b/Makefile
@@ -436,7 +436,8 @@ KBUILD_CPPFLAGS := -D__KERNEL__ -D__UBOOT__
 KBUILD_CFLAGS   := -Wall -Werror=strict-prototypes -Wno-trigraphs \
                   -Wno-format-security \
                   -fno-builtin -ffreestanding $(CSTD_FLAG) \
-                  -fno-PIE
+                  -fno-PIE \
+                  -Werror-implicit-function-declaration -Werror=implicit-int
 KBUILD_CFLAGS  += -fshort-wchar -fno-strict-aliasing
 KBUILD_AFLAGS   := -D__ASSEMBLY__ -fno-PIE
 KBUILD_LDFLAGS  :=