sishu-yolo-sdk/cpp/CMakeLists.txt

cmake_minimum_required(VERSION 3.18)
project(MyYoloSdk CXX)
set(CMAKE_CXX_STANDARD 17)


if(WIN32)
    find_package(JNI COMPONENTS JNI REQUIRED)
    message(STATUS "Configuring for Windows (using vcpkg OpenCV + manual ONNX)")
    
    # 
    find_package(OpenCV REQUIRED)

    # 
    set(ORT_MANUAL_PATH ${CMAKE_SOURCE_DIR}/../prebuilt_libs/onnxruntime-win-x64-1.23.2)

elseif(UNIX)
    set(JNI_INCLUDE_DIRS 
        "/usr/lib/jvm/java-11-openjdk-amd64/include"
        "/usr/lib/jvm/java-11-openjdk-amd64/include/linux"
    )
    set(JNI_LIBRARIES "/usr/lib/jvm/java-11-openjdk-amd64/lib/server/libjvm.so")
    message(STATUS "Configuring for Linux (using apt OpenCV + manual ONNX)")
    
    # 
    # 
    find_package(OpenCV REQUIRED)

    # 
    set(ORT_MANUAL_PATH ${CMAKE_SOURCE_DIR}/../prebuilt_libs/onnxruntime-linux-x64-1.23.2)
endif()


# --- 3. 
# 
find_path(ONNXRuntime_INCLUDE_DIRS 
    NAMES onnxruntime_cxx_api.h
    HINTS ${ORT_MANUAL_PATH}/include
)
find_library(ONNXRuntime_LIBRARY
    NAMES onnxruntime
    HINTS ${ORT_MANUAL_PATH}/lib
)

# 
if(NOT OpenCV_FOUND)
    message(FATAL_ERROR "Failed to find OpenCV. On Linux, run 'sudo apt install libopencv-dev'. On Windows, ensure vcpkg is setup.")
endif()
if(NOT ONNXRuntime_INCLUDE_DIRS OR NOT ONNXRuntime_LIBRARY)
    message(FATAL_ERROR "Failed to find manual ONNX Runtime at ${ORT_MANUAL_PATH}")
endif()

message(STATUS "Found OpenCV: ${OpenCV_LIBS}")
message(STATUS "Found ONNX Runtime Include: ${ONNXRuntime_INCLUDE_DIRS}")
message(STATUS "Found ONNX Runtime Library: ${ONNXRuntime_LIBRARY}")


# --- 4. 
add_library(my_yolo_sdk SHARED
    src/YoloCore.cpp
    src/YoloSdk_JNI.cpp
)

# --- 5. 
target_include_directories(my_yolo_sdk PUBLIC
    ${JNI_INCLUDE_DIRS}
    ${OpenCV_INCLUDE_DIRS}
    ${ONNXRuntime_INCLUDE_DIRS}
    include 
)

target_link_libraries(my_yolo_sdk PRIVATE
    ${JNI_LIBRARIES}
    ${OpenCV_LIBS} # 
    ${ONNXRuntime_LIBRARY}
)

# --- 6. 
if(UNIX)
    message(STATUS "Setting RPATH for Linux")
    set_target_properties(my_yolo_sdk PROPERTIES
        INSTALL_RPATH "$ORIGIN" # 
    )
endif()