# SPDX-License-Identifier: GPL-2.0
# GCC and Clang accept backend options differently. Do not wrap in cc-option,
# because Clang accepts "--param" even if it is unused.
ifdef CONFIG_CC_IS_CLANG
cc-param = -mllvm -$(1)
else
cc-param = --param $(1)
endif

# Keep most options here optional, to allow enabling more compilers if absence
# of some options does not break KCSAN nor causes false positive reports.
kcsan-cflags := -fsanitize=thread -fno-optimize-sibling-calls \
	$(call cc-option,$(call cc-param,tsan-compound-read-before-write=1),$(call cc-option,$(call cc-param,tsan-instrument-read-before-write=1))) \
	$(call cc-param,tsan-distinguish-volatile=1)

ifdef CONFIG_CC_IS_GCC
# GCC started warning about operations unsupported by the TSan runtime. But
# KCSAN != TSan, so just ignore these warnings.
kcsan-cflags += -Wno-tsan
endif

ifndef CONFIG_KCSAN_WEAK_MEMORY
kcsan-cflags += $(call cc-option,$(call cc-param,tsan-instrument-func-entry-exit=0))
endif

export CFLAGS_KCSAN := $(kcsan-cflags)
to name it for gitweb.</td><td class='sub right'>airlied</td></tr></table>
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<tr><td><span title='2010-09-21 18:46:31 +1000'>2010-09-21</span></td><td><a href='/~airlied/radeondb/commit/?id=f02083b715da2eb115a998c28d06817a94df6c06'>radeondb: add missing header</a><span class='decoration'><a class='deco' href='/~airlied/radeondb/commit/?id=f02083b715da2eb115a998c28d06817a94df6c06'>HEAD</a><a class='branch-deco' href='/~airlied/radeondb/log/'>master</a></span></td><td>Dave Airlie</td><td>1</td><td><span class='deletions'>-0</span>/<span class='insertions'>+11</span></td></tr>