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# SPDX-License-Identifier: GPL-2.0
# Enable available and selected Clang Propeller features.
ifdef CLANG_PROPELLER_PROFILE_PREFIX
CFLAGS_PROPELLER_CLANG := -fbasic-block-sections=list=$(CLANG_PROPELLER_PROFILE_PREFIX)_cc_profile.txt -ffunction-sections
KBUILD_LDFLAGS += --symbol-ordering-file=$(CLANG_PROPELLER_PROFILE_PREFIX)_ld_profile.txt --no-warn-symbol-ordering
else
# Starting with Clang v20, the '-fbasic-block-sections=labels' option is
# deprecated. Use the recommended '-fbasic-block-address-map' option.
# Link: https://github.com/llvm/llvm-project/pull/110039
ifeq ($(call clang-min-version, 200000),y)
CFLAGS_PROPELLER_CLANG := -fbasic-block-address-map
else
CFLAGS_PROPELLER_CLANG := -fbasic-block-sections=labels
endif
endif
# Propeller requires debug information to embed module names in the profiles.
# If CONFIG_DEBUG_INFO is not enabled, set -gmlt option. Skip this for AutoFDO,
# as the option should already be set.
ifndef CONFIG_DEBUG_INFO
ifndef CONFIG_AUTOFDO_CLANG
CFLAGS_PROPELLER_CLANG += -gmlt
endif
endif
ifdef CONFIG_LTO_CLANG_THIN
ifdef CLANG_PROPELLER_PROFILE_PREFIX
KBUILD_LDFLAGS += --lto-basic-block-sections=$(CLANG_PROPELLER_PROFILE_PREFIX)_cc_profile.txt
else
ifeq ($(call test-ge, $(CONFIG_LLD_VERSION), 200000),y)
KBUILD_LDFLAGS += --lto-basic-block-address-map
else
KBUILD_LDFLAGS += --lto-basic-block-sections=labels
endif
endif
endif
export CFLAGS_PROPELLER_CLANG
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