Cleanup in cmake

Author: sovrasov

src/cpp/CMakeLists.txt

@@ -12,35 +12,39 @@ include(FetchContent)
 FetchContent_Declare(json GIT_REPOSITORY https://github.com/nlohmann/json.git
                           GIT_TAG d41ca94fa85d5119852e2f7a3f94335cc7cb0486  # PR #4709, fixes cmake deprecation warnings
                     )
-FetchContent_Declare(
-        onnxrt
-        URL      https://github.com/microsoft/onnxruntime/releases/download/v1.22.0/onnxruntime-linux-x64-1.22.0.tgz
-        URL_HASH MD5=2b3a728a057226a3d6577335604db9bc
-)
-
 FetchContent_MakeAvailable(json)
-FetchContent_MakeAvailable(onnxrt)
+
+if(CMAKE_SYSTEM_NAME STREQUAL "Linux")
+        FetchContent_Declare(
+                onnxrt
+                URL      https://github.com/microsoft/onnxruntime/releases/download/v1.22.0/onnxruntime-linux-x64-1.22.0.tgz
+                URL_HASH MD5=2b3a728a057226a3d6577335604db9bc
+        )
+        FetchContent_MakeAvailable(onnxrt)
+
+        # fixes onnxrt cmake disabilities
+        set(ONNXRUNTIME_ROOTDIR ${CMAKE_BINARY_DIR}/_deps/onnxrt-src)
+        file(CREATE_LINK "${ONNXRUNTIME_ROOTDIR}/lib" "${ONNXRUNTIME_ROOTDIR}/lib64" SYMBOLIC)
+        file(CREATE_LINK "${ONNXRUNTIME_ROOTDIR}/include" "${ONNXRUNTIME_ROOTDIR}/include/onnxruntime" SYMBOLIC)
+        list(APPEND CMAKE_PREFIX_PATH "${ONNXRUNTIME_ROOTDIR}/lib/cmake")
+else()
+        message(FATAL_ERROR "Unsupported platform: ${CMAKE_SYSTEM_NAME}. Only Linux is supported at the moment.")
+endif()
 
 
 find_package(OpenCV REQUIRED COMPONENTS core imgproc)
 
 find_package(OpenVINO REQUIRED
              COMPONENTS Runtime Threading)
 
+find_package(onnxruntime REQUIRED)
+
 file(GLOB TASK_SOURCES src/tasks/**/*.cpp)
 file(GLOB TASKS_SOURCES src/tasks/*.cpp)
 file(GLOB UTILS_SOURCES src/utils/*.cpp)
 file(GLOB ADAPTERS_SOURCES src/adapters/*.cpp)
 
 add_library(model_api STATIC ${TASK_SOURCES} ${TASKS_SOURCES} ${UTILS_SOURCES} ${ADAPTERS_SOURCES} ${TILERS_SOURCES})
 
-target_link_libraries(model_api PUBLIC openvino::runtime opencv_core opencv_imgproc PRIVATE nlohmann_json::nlohmann_json)
+target_link_libraries(model_api PUBLIC openvino::runtime opencv_core opencv_imgproc PRIVATE nlohmann_json::nlohmann_json onnxruntime::onnxruntime)
 target_include_directories(model_api PUBLIC ${PROJECT_SOURCE_DIR}/include)
-
-# onnxrt doesn't have a working CMake config, set the related directories manually
-set(ONNXRUNTIME_ROOTDIR ${CMAKE_BINARY_DIR}/_deps/onnxrt-src)
-
-target_include_directories(model_api PUBLIC ${ONNXRUNTIME_ROOTDIR}/include)
-
-target_link_directories(model_api PUBLIC "${ONNXRUNTIME_ROOTDIR}/lib")
-target_link_libraries(model_api PUBLIC libonnxruntime.so)