From 3d3d6b8474204b6819688c9800774d52d370a538 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Jan-Simon=20M=C3=B6ller?= Date: Wed, 14 Nov 2012 10:39:57 +0100 Subject: [PATCH] kbuild: LLVMLinux: Adapt warnings for compilation with clang MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit When compiling kernel with clang, disable warnings which are too noisy, and add the clang flag catch-undefined-behavior. Signed-off-by: Jan-Simon Möller Signed-off-by: Behan Webster Signed-off-by: Mark Charlebois Cc: PaX Team --- scripts/Makefile.build | 12 +++++++++++- 1 file changed, 11 insertions(+), 1 deletion(-) diff --git a/scripts/Makefile.build b/scripts/Makefile.build index 9f0ee22b914f..003bc263105a 100644 --- a/scripts/Makefile.build +++ b/scripts/Makefile.build @@ -65,12 +65,22 @@ warning- := $(empty) warning-1 := -Wextra -Wunused -Wno-unused-parameter warning-1 += -Wmissing-declarations warning-1 += -Wmissing-format-attribute -warning-1 += -Wmissing-prototypes +warning-1 += $(call cc-option, -Wmissing-prototypes) warning-1 += -Wold-style-definition warning-1 += $(call cc-option, -Wmissing-include-dirs) warning-1 += $(call cc-option, -Wunused-but-set-variable) warning-1 += $(call cc-disable-warning, missing-field-initializers) +# Clang +warning-1 += $(call cc-disable-warning, initializer-overrides) +warning-1 += $(call cc-disable-warning, unused-value) +warning-1 += $(call cc-disable-warning, format) +warning-1 += $(call cc-disable-warning, unknown-warning-option) +warning-1 += $(call cc-disable-warning, sign-compare) +warning-1 += $(call cc-disable-warning, format-zero-length) +warning-1 += $(call cc-disable-warning, uninitialized) +warning-1 += $(call cc-option, -fcatch-undefined-behavior) + warning-2 := -Waggregate-return warning-2 += -Wcast-align warning-2 += -Wdisabled-optimization