core/combo/fdo.mk

#
# 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