platform_build/core/combo/fdo.mk
Dehao Chen 7092c79a14 Refactor FDO support code to ensure arm64 can also be built with FDO.
Change-Id: I752c9f411b0a046a15c72b4837efc1fb0503b470
2014-07-23 16:34:07 -07:00

41 lines
1.8 KiB
Makefile

#
# Copyright (C) 2006 The Android Open Source Project
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#
# Setup FDO related flags.
$(combo_2nd_arch_prefix)TARGET_FDO_CFLAGS:=
$(combo_2nd_arch_prefix)TARGET_FDO_LIB:=
ifneq ($(strip $(BUILD_FDO_INSTRUMENT)),)
# Set BUILD_FDO_INSTRUMENT=true to turn on FDO instrumentation.
# The profile will be generated on /data/local/tmp/profile on the device.
$(combo_2nd_arch_prefix)TARGET_FDO_CFLAGS := -fprofile-generate=/data/local/tmp/fdo_profile -DANDROID_FDO
$(combo_2nd_arch_prefix)TARGET_FDO_LIB := $(target_libgcov)
else
ifneq ($(strip $(BUILD_FDO_OPTIMIZE)),)
# Set TARGET_FDO_PROFILE_PATH to set a custom profile directory for your build.
ifeq ($(strip $($(combo_2nd_arch_prefix)TARGET_FDO_PROFILE_PATH)),)
$(combo_2nd_arch_prefix)TARGET_FDO_PROFILE_PATH := fdo_profiles
endif
ifneq ($(strip $(wildcard $($(combo_2nd_arch_prefix)TARGET_FDO_PROFILE_PATH))),)
$(combo_2nd_arch_prefix)TARGET_FDO_CFLAGS := -fprofile-use=$($(combo_2nd_arch_prefix)TARGET_FDO_PROFILE_PATH) -DANDROID_FDO -fprofile-correction -Wcoverage-mismatch -Wno-error
$(combo_2nd_arch_prefix)TARGET_FDO_LIB := $(target_libgcov)
else
$(warning Profile directory $($(combo_2nd_arch_prefix)TARGET_FDO_PROFILE_PATH) does not exist. Turn off FDO.)
endif
endif
endif