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kbuild: LLVMLinux: Adapt warnings for compilation with clang

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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 <dl9pf@gmx.de>
Signed-off-by: Behan Webster <behanw@converseincode.com>
Signed-off-by: Mark Charlebois <mcharleb@gmail.com>
Cc: PaX Team <pageexec@freemail.hu>
This commit is contained in:
Jan-Simon Möller 2012-11-14 10:39:57 +01:00 committed by Behan Webster
parent 61163efae0
commit 3d3d6b8474
1 changed files with 11 additions and 1 deletions
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12
scripts/Makefile.build
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@ -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