CMakeLists.txt

file(GLOB_RECURSE SOURCES core/impl/*.cpp gopt/impl/*.cpp opr/impl/*.cpp plugin/impl/*.cpp serialization/impl/*.cpp core/impl/*.inl gopt/impl/*.inl opr/impl/*.inl plugin/impl/*.inl serialization/impl/*.inl)

if(MGE_WITH_JIT)
    file(GLOB_RECURSE SOURCES_ jit/impl/*.cpp jit/impl/*.inl)
    list(APPEND SOURCES ${SOURCES_})
endif()

if(MGE_WITH_DISTRIBUTED)
    file(GLOB_RECURSE SOURCES_ opr-mm/impl/*.cpp opr-mm/impl/*.inl)
    list(APPEND SOURCES ${SOURCES_})
    file(GLOB_RECURSE PROTO_FILES RELATIVE ${CMAKE_CURRENT_SOURCE_DIR} "../src/opr-mm/proto/*.proto")
    PROTOBUF_GENERATE_CPP_WITH_ROOT(GRPC_SRCS GRPC_HDRS ${CMAKE_CURRENT_SOURCE_DIR} ${PROTO_FILES})
    add_custom_target(mgb_proto_target DEPENDS ${GRPC_SRCS} ${GRPC_HDRS} ${PROTOBUF_PROTOC_EXECUTABLE})
    list(APPEND SOURCES ${GRPC_SRCS})
endif()

set(MGB_INC ${PROJECT_BINARY_DIR}/genfiles ${CMAKE_CURRENT_LIST_DIR}/core/include ${CMAKE_CURRENT_LIST_DIR}/gopt/include ${CMAKE_CURRENT_LIST_DIR}/opr/include ${CMAKE_CURRENT_LIST_DIR}/plugin/include ${CMAKE_CURRENT_LIST_DIR}/serialization/include)

if(MGE_WITH_JIT)
    list(APPEND MGB_INC ${CMAKE_CURRENT_LIST_DIR}/jit/include)
    if(MGE_WITH_CUDA)
        list(APPEND MGB_INC ${CMAKE_CURRENT_LIST_DIR}/jit/impl/cuda)
    endif()
endif()

if(MGE_WITH_DISTRIBUTED)
    list(APPEND MGB_INC ${CMAKE_CURRENT_LIST_DIR}/opr-mm/include)
endif()

if(MGE_WITH_CUDA AND MGE_WITH_TRT)
    list(APPEND MGB_INC ${CMAKE_CURRENT_LIST_DIR}/tensorrt/include)
    file(GLOB_RECURSE SOURCES_ tensorrt/impl/*.cpp tensorrt/impl/*.inl)
    list(APPEND SOURCES ${SOURCES_})
endif()


if(MGE_WITH_CUDA)
    file(GLOB_RECURSE SOURCES_ opr/impl/standalone/*.cu)
    list(APPEND SOURCES ${SOURCES_})
endif()

add_library(megbrain OBJECT EXCLUDE_FROM_ALL ${SOURCES})
target_link_libraries(megbrain PUBLIC mgb_opr_param_defs)
target_include_directories(megbrain
    PUBLIC $<INSTALL_INTERFACE:${CMAKE_INSTALL_INCLUDEDIR}>
    PRIVATE ${PROJECT_SOURCE_DIR}/third_party/midout/src
)
foreach (INCPATH IN LISTS MGB_INC)
    target_include_directories(megbrain
        PUBLIC $<BUILD_INTERFACE:${INCPATH}>
    )
endforeach()

if(MGE_WITH_CUDA)
    if(NOT WIN32 AND NOT MSVC)
        target_compile_options(megbrain PRIVATE "$<$<COMPILE_LANGUAGE:CUDA>:-Xcompiler=-Wno-unused-parameter>"
            "$<$<NOT:$<COMPILE_LANGUAGE:CUDA>>:-Wno-unused-parameter>")
    endif()
else()
    target_compile_options(megbrain PRIVATE "-Wno-unused-parameter")
endif()
if(CXX_SUPPORT_WCLASS_MEMACCESS)
    if(MGE_WITH_CUDA)
        target_compile_options(megbrain PRIVATE "$<$<COMPILE_LANGUAGE:CUDA>:-Xcompiler=-Wno-class-memaccess>"
            "$<$<NOT:$<COMPILE_LANGUAGE:CUDA>>:-Wno-class-memaccess>")
    else()
        target_compile_options(megbrain PRIVATE "-Wno-class-memaccess")
    endif()
endif()
target_link_libraries(megbrain PUBLIC megdnn)
if(MGE_WITH_DISTRIBUTED)
    add_dependencies(megbrain mgb_proto_target)
    target_link_libraries (megbrain PRIVATE libprotobuf libzmq)
    set(CPPZMQ_INC ${PROJECT_SOURCE_DIR}/third_party/cppzmq)
    # FIXME: add CMAKE_CURRENT_BINARY_DIR for including mm_handler.pb.h
    target_include_directories(megbrain PRIVATE ${CPPZMQ_INC} ${CMAKE_CURRENT_BINARY_DIR})
    target_link_libraries (megbrain PRIVATE megray)
endif()
target_link_libraries(megbrain PRIVATE ${MGE_CUDA_LIBS})
if(MGE_WITH_JIT AND MGE_WITH_HALIDE)
    target_link_libraries(megbrain PRIVATE libhalide)
    target_link_libraries(megbrain PRIVATE ${HALIDE_LLVM_LIBS})
endif()
if (MGB_WITH_FLATBUFFERS)
    set (GEN_FLATBUFFERS_SCHEMA_PY ${PROJECT_SOURCE_DIR}/dnn/scripts/gen_flatbuffers_schema.py)
    set (OPR_PARAM_DEFS_PY ${PROJECT_SOURCE_DIR}/dnn/scripts/opr_param_defs.py)
    set (MGB_PARAM_DEFS_PY ${PROJECT_SOURCE_DIR}/tools/param_defs/mgb_opr_param_defs.py)
    file (MAKE_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}/serialization/impl)
    add_custom_command(
        OUTPUT
            ${CMAKE_CURRENT_BINARY_DIR}/serialization/impl/opr_param_defs.fbs
        COMMAND
            ${PYTHON_EXECUTABLE} ${GEN_FLATBUFFERS_SCHEMA_PY} ${OPR_PARAM_DEFS_PY} ${CMAKE_CURRENT_BINARY_DIR}/serialization/impl/opr_param_defs.fbs
        DEPENDS ${GEN_FLATBUFFERS_SCHEMA_PY} ${OPR_PARAM_DEFS_PY}
        VERBATIM
    )
    add_custom_command(
        OUTPUT
            ${CMAKE_CURRENT_BINARY_DIR}/serialization/impl/mgb_opr_param_defs.fbs
        COMMAND
            ${PYTHON_EXECUTABLE} ${GEN_FLATBUFFERS_SCHEMA_PY} ${MGB_PARAM_DEFS_PY} ${CMAKE_CURRENT_BINARY_DIR}/serialization/impl/mgb_opr_param_defs.fbs
        DEPENDS ${GEN_FLATBUFFERS_SCHEMA_PY} ${MGB_PARAM_DEFS_PY}
        VERBATIM
    )
    list(APPEND FLATBUFFERS_SCHEMA_FILES
        ${CMAKE_CURRENT_SOURCE_DIR}/serialization/impl/dtype.fbs
        ${CMAKE_CURRENT_BINARY_DIR}/serialization/impl/opr_param_defs.fbs
        ${CMAKE_CURRENT_BINARY_DIR}/serialization/impl/mgb_opr_param_defs.fbs
        ${CMAKE_CURRENT_SOURCE_DIR}/opr/impl/mgb_cpp_opr.fbs
        ${CMAKE_CURRENT_SOURCE_DIR}/serialization/impl/schema.fbs
    )
    list(APPEND FLATBUFFERS_SCHEMA_INCLUDE_DIR
        ${CMAKE_CURRENT_SOURCE_DIR}/serialization/impl
        ${CMAKE_CURRENT_BINARY_DIR}/serialization/impl
        ${CMAKE_CURRENT_SOURCE_DIR}/opr/impl
    )
    build_flatbuffers(
        "${FLATBUFFERS_SCHEMA_FILES}"
        "${FLATBUFFERS_SCHEMA_INCLUDE_DIR}"
        mgb_serialization_schema_fbs
        "${FLATBUFFERS_SCHEMA_FILES}"
        "${CMAKE_CURRENT_BINARY_DIR}/serialization/include/megbrain/serialization/internal"
        ""
        ""
    )
    add_dependencies(megbrain mgb_serialization_schema_fbs)
    target_include_directories(megbrain PRIVATE ${CMAKE_CURRENT_BINARY_DIR}/serialization/include)
    target_compile_definitions(megbrain PUBLIC MGB_ENABLE_FBS_SERIALIZATION=1)
    target_link_libraries(megbrain PUBLIC flatbuffers)
    set (GENERATED_FLATBUFFERS_CONVERTER_PATH ${CMAKE_CURRENT_BINARY_DIR}/genfiles)
    set (GEN_FLATBUFFERS_CONVERTER_PY ${PROJECT_SOURCE_DIR}/dnn/scripts/gen_flatbuffers_converter.py)
    file (MAKE_DIRECTORY ${GENERATED_FLATBUFFERS_CONVERTER_PATH})
    add_custom_command(
        OUTPUT
            ${GENERATED_FLATBUFFERS_CONVERTER_PATH}/opr_param_defs_converter.inl
        COMMAND
            ${PYTHON_EXECUTABLE} ${GEN_FLATBUFFERS_CONVERTER_PY} ${OPR_PARAM_DEFS_PY} ${GENERATED_FLATBUFFERS_CONVERTER_PATH}/opr_param_defs_converter.inl
        DEPENDS ${GEN_FLATBUFFERS_CONVERTER_PY} ${OPR_PARAM_DEFS_PY}
        VERBATIM
    )
    add_custom_command(
        OUTPUT
            ${GENERATED_FLATBUFFERS_CONVERTER_PATH}/mgb_opr_param_defs_converter.inl
        COMMAND
            ${PYTHON_EXECUTABLE} ${GEN_FLATBUFFERS_CONVERTER_PY} ${MGB_PARAM_DEFS_PY} ${GENERATED_FLATBUFFERS_CONVERTER_PATH}/mgb_opr_param_defs_converter.inl
        DEPENDS ${GEN_FLATBUFFERS_CONVERTER_PY} ${MGB_PARAM_DEFS_PY}
        VERBATIM
    )
    target_sources(megbrain PRIVATE ${GENERATED_FLATBUFFERS_CONVERTER_PATH}/opr_param_defs_converter.inl)
    target_sources(megbrain PRIVATE ${GENERATED_FLATBUFFERS_CONVERTER_PATH}/mgb_opr_param_defs_converter.inl)
    target_include_directories(megbrain PRIVATE ${GENERATED_FLATBUFFERS_CONVERTER_PATH})
endif()
if(UNIX AND NOT ANDROID AND NOT APPLE)
    target_link_libraries(megbrain PUBLIC dl rt atomic)
endif()

if(ANDROID)
    target_link_libraries(megbrain PUBLIC log)
endif()

if(NOT MGE_BUILD_IMPERATIVE_RT)
    # Build as SHARED or STATIC depending on BUILD_SHARED_LIBS=ON/OFF
    add_library(megengine)
    target_link_libraries(megengine PUBLIC megbrain megdnn)
    if (UNIX AND NOT APPLE)
        # TODO: Use target_link_options after upgrading to CMake 3.13
        # FIXME; Please use right directory for mgb or imperative
        target_link_options(megengine PRIVATE -Wl,--no-undefined -Wl,--version-script=${PROJECT_SOURCE_DIR}/python_module/src/version.ld)
    endif()
    set_target_properties(megengine PROPERTIES CXX_VISIBILITY_PRESET default)
    set_target_properties(megengine PROPERTIES WINDOWS_EXPORT_ALL_SYMBOLS TRUE)
    # Do not export targets if MGE_WITH_DISTRIBUTED is on. MegRay is not ready
    # for this.
    install(TARGETS megengine
            EXPORT ${MGE_EXPORT_TARGETS}
            LIBRARY DESTINATION ${CMAKE_INSTALL_LIBDIR}
            ARCHIVE DESTINATION ${CMAKE_INSTALL_LIBDIR})
endif()

if (NOT MGE_WITH_DISTRIBUTED)
    install(TARGETS megbrain
            EXPORT ${MGE_EXPORT_TARGETS}
            LIBRARY DESTINATION ${CMAKE_INSTALL_LIBDIR}
            ARCHIVE DESTINATION ${CMAKE_INSTALL_LIBDIR})
endif()

foreach(_PATH ${MGB_INC})
    install(DIRECTORY ${_PATH}/megbrain DESTINATION ${CMAKE_INSTALL_INCLUDEDIR} FILES_MATCHING PATTERN "*.h")
endforeach()