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Linux kernel mirror (for testing) git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
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12345678910111213141516171819202122232425262728293031323334353637383940# 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-orderingelse # 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 ($(call clang-min-version, 200000),y) CFLAGS_PROPELLER_CLANG := -fbasic-block-address-map else CFLAGS_PROPELLER_CLANG := -fbasic-block-sections=labels endifendif
# Propeller requires debug information to embed module names in the profiles.# If CONFIG_DEBUG_INFO is not enabled, set -gmlt option. Skip this for AutoFDO,# as the option should already be set.ifndef CONFIG_DEBUG_INFO ifndef CONFIG_AUTOFDO_CLANG CFLAGS_PROPELLER_CLANG += -gmlt endifendif
ifdef CONFIG_LTO_CLANG_THIN ifdef CLANG_PROPELLER_PROFILE_PREFIX KBUILD_LDFLAGS += --lto-basic-block-sections=$(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 endifendif
export CFLAGS_PROPELLER_CLANG