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authorMasahiro Yamada <yamada.masahiro@socionext.com>2019-05-09 08:46:35 +0200
committerMasahiro Yamada <yamada.masahiro@socionext.com>2019-05-18 04:49:53 +0200
commit4c8dd95a723d9cccf8810be54aa62be82885c9d8 (patch)
treec16d9cc53cea5beab8fa8b11780db1edd992257e
parentkbuild: add -Wvla flag unconditionally (diff)
downloadlinux-4c8dd95a723d9cccf8810be54aa62be82885c9d8.tar.xz
linux-4c8dd95a723d9cccf8810be54aa62be82885c9d8.zip
kbuild: add some extra warning flags unconditionally
These flags are documented in the GCC 4.6 manual, and recognized by Clang as well. Let's rip off the cc-option / cc-disable-warning switches. Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com> Reviewed-by: Nathan Chancellor <natechancellor@gmail.com> Tested-by: Nick Desaulniers <ndesaulniers@google.com>
-rw-r--r--scripts/Makefile.extrawarn13
1 files changed, 7 insertions, 6 deletions
diff --git a/scripts/Makefile.extrawarn b/scripts/Makefile.extrawarn
index 768306add591..7a12de912664 100644
--- a/scripts/Makefile.extrawarn
+++ b/scripts/Makefile.extrawarn
@@ -23,15 +23,16 @@ warning- := $(empty)
warning-1 := -Wextra -Wunused -Wno-unused-parameter
warning-1 += -Wmissing-declarations
warning-1 += -Wmissing-format-attribute
-warning-1 += $(call cc-option, -Wmissing-prototypes)
+warning-1 += -Wmissing-prototypes
warning-1 += -Wold-style-definition
-warning-1 += $(call cc-option, -Wmissing-include-dirs)
+warning-1 += -Wmissing-include-dirs
warning-1 += $(call cc-option, -Wunused-but-set-variable)
warning-1 += $(call cc-option, -Wunused-const-variable)
warning-1 += $(call cc-option, -Wpacked-not-aligned)
warning-1 += $(call cc-option, -Wstringop-truncation)
-warning-1 += $(call cc-disable-warning, missing-field-initializers)
-warning-1 += $(call cc-disable-warning, sign-compare)
+# The following turn off the warnings enabled by -Wextra
+warning-1 += -Wno-missing-field-initializers
+warning-1 += -Wno-sign-compare
warning-2 := -Waggregate-return
warning-2 += -Wcast-align
@@ -39,8 +40,8 @@ warning-2 += -Wdisabled-optimization
warning-2 += -Wnested-externs
warning-2 += -Wshadow
warning-2 += $(call cc-option, -Wlogical-op)
-warning-2 += $(call cc-option, -Wmissing-field-initializers)
-warning-2 += $(call cc-option, -Wsign-compare)
+warning-2 += -Wmissing-field-initializers
+warning-2 += -Wsign-compare
warning-2 += $(call cc-option, -Wmaybe-uninitialized)
warning-2 += $(call cc-option, -Wunused-macros)