Android.common.mk

# Copyright (c) 2017 Intel Corporation
#
# 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.

# Obtain root HWC source path
HWC_PATH := $(call my-dir)

# Add validation directory to the include path
LOCAL_C_INCLUDES += $(HWC_PATH)/val

# define INTEL_HWC_ANDROID_VERSION (e.g., 4.3.2 would be 432)
ifeq ($(PLATFORM_VERSION),O)
INTEL_HWC_ANDROID_VERSION := 800
else
major := $(word 1, $(subst ., , $(PLATFORM_VERSION)))
minor := $(word 2, $(subst ., , $(PLATFORM_VERSION).0))
rev   := $(word 3, $(subst ., , $(PLATFORM_VERSION).0.0))
# cope with 5.1.51
rev   := $(subst 51,5,$(rev))
INTEL_HWC_ANDROID_VERSION := $(major)$(minor)$(rev)
endif

HWC_VERSION_GIT_BRANCH := $(shell pushd $(HWC_PATH) > /dev/null; git rev-parse --abbrev-ref HEAD; popd > /dev/null)
HWC_VERSION_GIT_SHA := $(shell pushd $(HWC_PATH) > /dev/null; git rev-parse HEAD; popd > /dev/null)

# Build in advanced debugging features if not a pure user build or not simulating one
ifeq ($(strip $(INTEL_HWC_SIMULATE_USER_BUILD)),true)
    INTEL_HWC_INTERNAL_BUILD = false
    INTEL_HWC_LOGVIEWER_BUILD = false
    INTEL_HWC_DEV_ASSERTS_BUILD = false
else
    ifeq ($(strip $(TARGET_BUILD_VARIANT)),userdebug)
        INTEL_HWC_INTERNAL_BUILD = false
        INTEL_HWC_LOGVIEWER_BUILD = true
        INTEL_HWC_DEV_ASSERTS_BUILD = false
    endif
    ifneq ($(filter eng,$(TARGET_BUILD_VARIANT))$(filter release-internal,$(BUILD_TYPE)),)
        INTEL_HWC_INTERNAL_BUILD = true
        INTEL_HWC_LOGVIEWER_BUILD = true
        # This causes asserts to be compiled into an engineering build
        LOCAL_CFLAGS += -DLOG_NDEBUG=0
        # Optional inclusion of developer asserts
        ifeq ($(strip $(INTEL_HWC_WANT_DEV_ASSERTS)),true)
            INTEL_HWC_DEV_ASSERTS_BUILD = true
        else
            INTEL_HWC_DEV_ASSERTS_BUILD = false
        endif
        LOCAL_STRIP_MODULE := keep_symbols
    endif
endif

LOCAL_MODULE_TAGS := optional
LOCAL_CLANG := true
LOCAL_ADDITIONAL_DEPENDENCIES += $(LOCAL_PATH)/Android.mk
LOCAL_CFLAGS += -DANDROID_VERSION=$(INTEL_HWC_ANDROID_VERSION)
LOCAL_CFLAGS += -DTARGET_PRODUCT_$(shell echo $(TARGET_PRODUCT) | tr '[:lower:]' '[:upper:]')
LOCAL_CFLAGS += -DTARGET_BOARD_PLATFORM_$(shell echo $(TARGET_BOARD_PLATFORM) | tr '[:lower:]' '[:upper:]')
LOCAL_CFLAGS += -Werror -Wall -Werror=unused-parameter -fvisibility-inlines-hidden -fvisibility=hidden -std=gnu++11
LOCAL_CFLAGS += -Wno-date-time
LOCAL_CFLAGS += -DLOG_TAG=\"hwc\"
LOCAL_CFLAGS += -DHWC_VERSION_GIT_BRANCH="\"$(HWC_VERSION_GIT_BRANCH)\""
LOCAL_CFLAGS += -DHWC_VERSION_GIT_SHA="\"$(HWC_VERSION_GIT_SHA)\""
LOCAL_MULTILIB := first
LOCAL_CPPFLAGS := -std=c++11
LOCAL_SHARED_LIBRARIES += \
    libbinder \
    libcutils \
    libdrm \
    libhardware \
    libhwcservice \
    liblog \
    libsync \
    libui \
    libutils

ifeq ($(INTEL_HWC_ANDROID_VERSION),511)
# Explicitly include stl for older builds (for BYT)
include external/libcxx/libcxx.mk
endif

# Compile in debug support if this is an engineering build
ifeq ($(strip $(INTEL_HWC_INTERNAL_BUILD)),true)
    LOCAL_CFLAGS += -DINTEL_HWC_INTERNAL_BUILD=1
endif
ifeq ($(strip $(INTEL_HWC_LOGVIEWER_BUILD)),true)
    LOCAL_CFLAGS += -DINTEL_HWC_LOGVIEWER_BUILD=1
endif

# Compile in developer asserts
ifeq ($(strip $(INTEL_HWC_DEV_ASSERTS_BUILD)),true)
    LOCAL_CFLAGS += -DINTEL_HWC_DEV_ASSERTS_BUILD=1
endif

# Compile in the widi components if needed
ifneq ($(filter true, $(INTEL_WIDI_BAYTRAIL) $(INTEL_WIDI_GEN)),)
    LOCAL_SHARED_LIBRARIES += libhwcwidi
    LOCAL_CFLAGS += -DTARGET_HAS_MCG_WIDI=1
endif

# Enable WIDI 2.1 interface (portrait target)
ifeq ($(WIDI_INTERFACE_2_1), true)
    LOCAL_CFLAGS += -DWIDI_INTERFACE_2_1
endif

ifneq ($(wildcard system/core/libsync/sw_sync.h),)
    LOCAL_CFLAGS += -DSW_SYNC_H_PATH="<sync/../../sw_sync.h>"
endif

ifeq ($(wildcard bionic/libc/kernel/uapi/video/intel_adf.h),)
    LOCAL_CFLAGS += -DINTEL_HWC_INTEL_ADF_H_PATH="\"../extcompat/video/intel_adf.h\""
endif

# Enable building all binaries to the appropriate vendor subdirectory if required
LOCAL_PROPRIETARY_MODULE := true


# By default, only build 64 bit libs on a 64 bit system
ifeq ($(JENKINS_URL)$(INTEL_HWC_ALWAYS_BUILD_32BIT_LIBS),)
    INTEL_HWC_LIBRARY_MULTILIB := first
else
    INTEL_HWC_LIBRARY_MULTILIB := both
endif

# Uncomment for GDB debugging
#LOCAL_CFLAGS += -O0 -ggdb