CMakeLists.txt

# For more information about using CMake with Android Studio, read the
# documentation: https://d.android.com/studio/projects/add-native-code.html

# Sets the minimum version of CMake required to build the native library.

cmake_minimum_required(VERSION 3.4.1)

# Creates and names a library, sets it as either STATIC or SHARED, and provides
# the relative paths to its source code. You can define multiple libraries, and
# CMake builds them for you. Gradle automatically packages shared libraries with
# your APK.

set(PaddleLite_DIR "${CMAKE_CURRENT_SOURCE_DIR}/../../../PaddleLite")
include_directories(${PaddleLite_DIR}/cxx/include)

set(OpenCV_DIR "${CMAKE_CURRENT_SOURCE_DIR}/../../../OpenCV/sdk/native/jni")
message(STATUS "opencv dir: ${OpenCV_DIR}")
find_package(OpenCV REQUIRED)
message(STATUS "OpenCV libraries: ${OpenCV_LIBS}")
include_directories(${OpenCV_INCLUDE_DIRS})
aux_source_directory(. SOURCES)
set(CMAKE_CXX_FLAGS
        "${CMAKE_CXX_FLAGS} -ffast-math -Ofast -Os"
        )
set(CMAKE_CXX_FLAGS
        "${CMAKE_CXX_FLAGS} -fvisibility=hidden -fvisibility-inlines-hidden -fdata-sections -ffunction-sections"
        )
set(CMAKE_SHARED_LINKER_FLAGS
        "${CMAKE_SHARED_LINKER_FLAGS} -Wl,--gc-sections -Wl,-z,nocopyreloc")

add_library(
        # Sets the name of the library.
        Native
        # Sets the library as a shared library.
        SHARED
        # Provides a relative path to your source file(s).
        ${SOURCES})

find_library(
        # Sets the name of the path variable.
        log-lib
        # Specifies the name of the NDK library that you want CMake to locate.
        log)

add_library(
        # Sets the name of the library.
        paddle_light_api_shared
        # Sets the library as a shared library.
        SHARED
        # Provides a relative path to your source file(s).
        IMPORTED)

set_target_properties(
        # Specifies the target library.
        paddle_light_api_shared
        # Specifies the parameter you want to define.
        PROPERTIES
        IMPORTED_LOCATION
        ${PaddleLite_DIR}/cxx/libs/${ANDROID_ABI}/libpaddle_light_api_shared.so
        # Provides the path to the library you want to import.
)


# Specifies libraries CMake should link to your target library. You can link
# multiple libraries, such as libraries you define in this build script,
# prebuilt third-party libraries, or system libraries.

target_link_libraries(
        # Specifies the target library.
        Native
        paddle_light_api_shared
        ${OpenCV_LIBS}
        GLESv2
        EGL
        jnigraphics
        ${log-lib}
)

add_custom_command(
        TARGET Native
        POST_BUILD
        COMMAND
        ${CMAKE_COMMAND} -E copy
        ${PaddleLite_DIR}/cxx/libs/${ANDROID_ABI}/libc++_shared.so
        ${CMAKE_LIBRARY_OUTPUT_DIRECTORY}/libc++_shared.so)

add_custom_command(
        TARGET Native
        POST_BUILD
        COMMAND
        ${CMAKE_COMMAND} -E copy
        ${PaddleLite_DIR}/cxx/libs/${ANDROID_ABI}/libpaddle_light_api_shared.so
        ${CMAKE_LIBRARY_OUTPUT_DIRECTORY}/libpaddle_light_api_shared.so)

add_custom_command(
        TARGET Native
        POST_BUILD
        COMMAND
        ${CMAKE_COMMAND} -E copy
        ${PaddleLite_DIR}/cxx/libs/${ANDROID_ABI}/libhiai.so
        ${CMAKE_LIBRARY_OUTPUT_DIRECTORY}/libhiai.so)

add_custom_command(
        TARGET Native
        POST_BUILD
        COMMAND
        ${CMAKE_COMMAND} -E copy
        ${PaddleLite_DIR}/cxx/libs/${ANDROID_ABI}/libhiai_ir.so
        ${CMAKE_LIBRARY_OUTPUT_DIRECTORY}/libhiai_ir.so)

add_custom_command(
        TARGET Native
        POST_BUILD
        COMMAND
        ${CMAKE_COMMAND} -E copy
        ${PaddleLite_DIR}/cxx/libs/${ANDROID_ABI}/libhiai_ir_build.so
        ${CMAKE_LIBRARY_OUTPUT_DIRECTORY}/libhiai_ir_build.so)