# Copyright (c) 2016 PaddlePaddle Authors. All Rights Reserved.
#
# 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.
#

if(WITH_TESTING)
  include(tests/test.cmake) # some generic cmake function for inference
endif()

# TODO(panyx0718): Should this be called paddle_fluid_inference_api_internal?
cc_library(paddle_fluid_api
    SRCS io.cc
    DEPS paddle_framework ${GLOB_OP_LIB} ${GLOB_OPERATOR_DEPS})

# analysis and tensorrt must be added before creating static library,
# otherwise, there would be undefined reference to them in static library.
add_subdirectory(analysis)
add_subdirectory(utils)
if (TENSORRT_FOUND)
  add_subdirectory(tensorrt)
endif()

if (WITH_LITE)
  add_subdirectory(lite)
endif()

# fluid_modules exclude API-interface of inference/api and inference/capi
get_property(fluid_modules GLOBAL PROPERTY FLUID_MODULES)

add_subdirectory(api)

# Create static inference library if needed
# All static libs in inference/api
set(STATIC_INFERENCE_API paddle_inference_api analysis_predictor
     zero_copy_tensor reset_tensor_array 
        analysis_config paddle_pass_builder activation_functions ${mkldnn_quantizer_cfg})
#TODO(wilber, T8T9): Do we still need to support windows gpu static library?
if(WIN32 AND WITH_GPU)
  cc_library(paddle_fluid DEPS ${fluid_modules} ${STATIC_INFERENCE_API})
else()
  create_static_lib(paddle_fluid ${fluid_modules} ${STATIC_INFERENCE_API})
endif()

if(NOT APPLE)
  # TODO(liuyiqu: Temporarily disable the link flag because it is not support on Mac.
  set(LINK_FLAGS "-Wl,--retain-symbols-file ${CMAKE_CURRENT_SOURCE_DIR}/paddle_fluid.sym")
  set_target_properties(paddle_fluid PROPERTIES LINK_FLAGS "${LINK_FLAGS}")
endif()

# C inference API
add_subdirectory(capi)

if(WITH_TESTING AND WITH_INFERENCE_API_TEST)
    add_subdirectory(tests/api)
endif()

set(SHARED_INFERENCE_SRCS
    io.cc
    ${CMAKE_CURRENT_SOURCE_DIR}/../framework/data_feed.cc
    ${CMAKE_CURRENT_SOURCE_DIR}/../framework/data_feed_factory.cc
    ${CMAKE_CURRENT_SOURCE_DIR}/../framework/dataset_factory.cc
    ${CMAKE_CURRENT_SOURCE_DIR}/api/api.cc
    ${CMAKE_CURRENT_SOURCE_DIR}/api/api_impl.cc
    ${CMAKE_CURRENT_SOURCE_DIR}/api/analysis_predictor.cc
    ${CMAKE_CURRENT_SOURCE_DIR}/api/details/zero_copy_tensor.cc
    ${CMAKE_CURRENT_SOURCE_DIR}/utils/io_utils.cc
    ${mkldnn_quantizer_src_file})

# Create shared inference library defaultly
cc_library(paddle_fluid_shared SHARED SRCS ${SHARED_INFERENCE_SRCS}
      DEPS ${fluid_modules} analysis_predictor)

get_property(os_dependency_modules GLOBAL PROPERTY OS_DEPENDENCY_MODULES)
target_link_libraries(paddle_fluid_shared ${os_dependency_modules})
if(WIN32)
    target_link_libraries(paddle_fluid_shared gflags)
endif()

set_target_properties(paddle_fluid_shared PROPERTIES OUTPUT_NAME paddle_fluid)
if(NOT APPLE AND NOT WIN32)
  # TODO(liuyiqun): Temporarily disable the link flag because it is not support on Mac.
  set(LINK_FLAGS "-Wl,--version-script ${CMAKE_CURRENT_SOURCE_DIR}/paddle_fluid.map")
  set_target_properties(paddle_fluid_shared PROPERTIES LINK_FLAGS "${LINK_FLAGS}")
  # check symbol hidden
  FILE(WRITE ${CMAKE_CURRENT_BINARY_DIR}/check_symbol.cmake
    "execute_process(COMMAND sh -c \"${CMAKE_CURRENT_SOURCE_DIR}/check_symbol.sh"
    " ${CMAKE_CURRENT_BINARY_DIR}/libpaddle_fluid.so\" RESULT_VARIABLE symbol_res)\n"
    "if(NOT \"\${symbol_res}\" STREQUAL \"0\")\n"
    "  message(FATAL_ERROR \"Check symbol failed.\")\n"
    "endif()\n")
  add_custom_command(
    OUTPUT "${CMAKE_CURRENT_BINARY_DIR}/.check_symbol"
    COMMAND ${CMAKE_COMMAND} -P "${CMAKE_CURRENT_BINARY_DIR}/check_symbol.cmake"
    DEPENDS paddle_fluid_shared)
  add_custom_target(check_symbol ALL DEPENDS "${CMAKE_CURRENT_BINARY_DIR}/.check_symbol")
endif()