Commit 3d3d6b84 authored by Jan-Simon Möller's avatar Jan-Simon Möller Committed by Behan Webster
Browse files

kbuild: LLVMLinux: Adapt warnings for compilation with clang 



When compiling kernel with clang, disable warnings which are too noisy, and
add the clang flag catch-undefined-behavior.

Signed-off-by: default avatarJan-Simon Möller <dl9pf@gmx.de>
Signed-off-by: default avatarBehan Webster <behanw@converseincode.com>
Signed-off-by: default avatarMark Charlebois <mcharleb@gmail.com>
Cc: PaX Team <pageexec@freemail.hu>
parent 61163efa

scripts/Makefile.build

+11 −1
Original line number Diff line number Diff line
@@ -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

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