openmpf · brosenberg42 · Dec 10, 2025 · Jan 16, 2026
diff --git a/detection/api/CMakeLists.txt b/detection/api/CMakeLists.txt
@@ -30,7 +30,7 @@ project(openmpf-cpp-component-api)
 
 set(CMAKE_CXX_STANDARD 17)
 
-find_package(OpenCV 4.9.0 EXACT REQUIRED PATHS /opt/opencv-4.9.0
+find_package(OpenCV 4.13.0 EXACT REQUIRED PATHS /opt/opencv-4.13.0
     COMPONENTS opencv_core opencv_imgcodecs opencv_imgproc opencv_videoio)
 
 

diff --git a/detection/examples/AudioOnlyComponent/CMakeLists.txt b/detection/examples/AudioOnlyComponent/CMakeLists.txt
@@ -34,7 +34,7 @@ include(../ComponentSetup.cmake)
 
 find_package(mpfComponentInterface REQUIRED)
 find_package(mpfDetectionComponentApi REQUIRED)
-find_package(OpenCV 4.9.0 EXACT REQUIRED PATHS /opt/opencv-4.9.0 COMPONENTS opencv_core)
+find_package(OpenCV 4.13.0 EXACT REQUIRED PATHS /opt/opencv-4.13.0 COMPONENTS opencv_core)
 
 
 set(AUDIO_ONLY_COMPONENT_SOURCES AudioOnly.cpp AudioOnly.h)
@@ -47,4 +47,3 @@ configure_mpf_component(AudioOnlyComponent TARGETS mpfAudioOnly)
 
 add_executable(sample_audio_only_detector sample_audio_only_detector.cpp)
 target_link_libraries(sample_audio_only_detector mpfAudioOnly)
-
diff --git a/detection/examples/GenericComponent/CMakeLists.txt b/detection/examples/GenericComponent/CMakeLists.txt
@@ -34,7 +34,7 @@ include(../ComponentSetup.cmake)
 
 find_package(mpfComponentInterface REQUIRED)
 find_package(mpfDetectionComponentApi REQUIRED)
-find_package(OpenCV 4.9.0 EXACT REQUIRED PATHS /opt/opencv-4.9.0 COMPONENTS opencv_core)
+find_package(OpenCV 4.13.0 EXACT REQUIRED PATHS /opt/opencv-4.13.0 COMPONENTS opencv_core)
 
 
 set(GENERIC_COMPONENT_SOURCES GenericComponent.cpp GenericComponent.h)
@@ -47,4 +47,3 @@ configure_mpf_component(GenericComponent TARGETS mpfGeneric)
 
 add_executable(sample_generic_detector sample_generic_detector.cpp)
 target_link_libraries(sample_generic_detector mpfGeneric)
-
diff --git a/detection/examples/HelloWorldComponent/CMakeLists.txt b/detection/examples/HelloWorldComponent/CMakeLists.txt
@@ -34,7 +34,7 @@ include(../ComponentSetup.cmake)
 
 find_package(mpfComponentInterface REQUIRED)
 find_package(mpfDetectionComponentApi REQUIRED)
-find_package(OpenCV 4.9.0 EXACT REQUIRED PATHS /opt/opencv-4.9.0 COMPONENTS opencv_core)
+find_package(OpenCV 4.13.0 EXACT REQUIRED PATHS /opt/opencv-4.13.0 COMPONENTS opencv_core)
 find_package(PkgConfig)
 pkg_search_module(LOG4CXX REQUIRED liblog4cxx)
 
@@ -52,4 +52,3 @@ configure_mpf_component(HelloWorldComponent TARGETS mpfHelloWorld mpfStreamingHe
 
 add_executable(sample_hello_world_detector sample_hello_world_detector.cpp)
 target_link_libraries(sample_hello_world_detector mpfHelloWorld)
-
diff --git a/detection/examples/ImageTransformerComponent/CMakeLists.txt b/detection/examples/ImageTransformerComponent/CMakeLists.txt
@@ -34,7 +34,7 @@ include(../ComponentSetup.cmake)
 
 find_package(mpfComponentInterface REQUIRED)
 find_package(mpfDetectionComponentApi REQUIRED)
-find_package(OpenCV 4.9.0 EXACT REQUIRED PATHS /opt/opencv-4.9.0 COMPONENTS opencv_core opencv_highgui)
+find_package(OpenCV 4.13.0 EXACT REQUIRED PATHS /opt/opencv-4.13.0 COMPONENTS opencv_core opencv_highgui)
 
 
 set(IMAGE_TRANSFORMER_COMPONENT_SOURCES ImageTransformerComponent.h ImageTransformerComponent.cpp)
@@ -47,4 +47,3 @@ configure_mpf_component(ImageTransformerComponent TARGETS mpfImageTransformer)
 
 add_executable(sample_image_transformer sample_image_transformer.cpp)
 target_link_libraries(sample_image_transformer mpfImageTransformer)
-
diff --git a/detection/examples/VideoCaptureComponent/CMakeLists.txt b/detection/examples/VideoCaptureComponent/CMakeLists.txt
@@ -34,7 +34,7 @@ include(../ComponentSetup.cmake)
 
 find_package(mpfComponentInterface REQUIRED)
 find_package(mpfDetectionComponentApi REQUIRED)
-find_package(OpenCV 4.9.0 EXACT REQUIRED PATHS /opt/opencv-4.9.0 COMPONENTS opencv_core opencv_highgui)
+find_package(OpenCV 4.13.0 EXACT REQUIRED PATHS /opt/opencv-4.13.0 COMPONENTS opencv_core opencv_highgui)
 
 
 set(VIDEO_CAPTURE_COMPONENT_SOURCES VideoCaptureComponent.h VideoCaptureComponent.cpp)
@@ -47,4 +47,3 @@ configure_mpf_component(VideoCaptureComponent TARGETS mpfVideoCapture)
 
 add_executable(sample_video_capture_component sample_video_capture_component.cpp)
 target_link_libraries(sample_video_capture_component mpfVideoCapture)
-
diff --git a/detection/testUtils/CMakeLists.txt b/detection/testUtils/CMakeLists.txt
@@ -30,7 +30,7 @@ project(openmpf-cpp-component-test-utils)
 
 set(CMAKE_CXX_STANDARD 17)
 
-find_package(OpenCV 4.9.0 EXACT REQUIRED PATHS /opt/opencv-4.9.0
+find_package(OpenCV 4.13.0 EXACT REQUIRED PATHS /opt/opencv-4.13.0
     COMPONENTS opencv_core opencv_imgcodecs opencv_imgproc opencv_videoio opencv_highgui)
 
 include_directories(include)

diff --git a/detection/utils/CMakeLists.txt b/detection/utils/CMakeLists.txt
@@ -29,7 +29,7 @@ project(openmpf-cpp-component-utils)
 
 set(CMAKE_CXX_STANDARD 17)
 
-find_package(OpenCV 4.9.0 EXACT REQUIRED PATHS /opt/opencv-4.9.0
+find_package(OpenCV 4.13.0 EXACT REQUIRED PATHS /opt/opencv-4.13.0
     COMPONENTS opencv_core opencv_imgcodecs opencv_imgproc opencv_videoio)
 
 find_package(PkgConfig)

diff --git a/mpf-cmake-helpers/CopySharedLibDependencies.cmake b/mpf-cmake-helpers/CopySharedLibDependencies.cmake
@@ -24,7 +24,7 @@
 # limitations under the License.                                            #
 #############################################################################
 
-cmake_minimum_required(VERSION 3.6)
+cmake_minimum_required(VERSION 3.15)
 
 include(GetPrerequisites)
 
@@ -70,41 +70,6 @@ function(is_std_linux_lib lib_path result)
 endfunction()
 
 
-# Can't use the built-in: get_filename_component(<VAR> <FileName> REALPATH)
-# because when there is a link to a link to file it only returns the file
-# and does not return the intermediate links.
-function(resolve_single_link file result)
-    execute_process(COMMAND readlink ${file}
-        OUTPUT_VARIABLE readlink_output
-        OUTPUT_STRIP_TRAILING_WHITESPACE)
-
-    if(IS_ABSOLUTE ${readlink_output})
-        set(${result} ${readlink_output} PARENT_SCOPE)
-    else()
-        # When the link's target is relative, we must use the link's directory
-        # to resolve the full path.
-        get_filename_component(file_dir ${file} DIRECTORY)
-        get_filename_component(target_absolute_path ${readlink_output}
-            ABSOLUTE
-            BASE_DIR ${file_dir})
-        set(${result} ${target_absolute_path} PARENT_SCOPE)
-    endif()
-endfunction()
-
-
-
-function(get_link_chain file result)
-    set(link_chain ${file})
-    while(IS_SYMLINK ${file})
-        resolve_single_link(${file} link_target)
-        set(file ${link_target})
-        list(APPEND link_chain ${file})
-    endwhile()
-    set(${result} ${link_chain} PARENT_SCOPE)
-endfunction()
-
-
-
 separate_arguments(EXTRA_LIB_DIRS)
 
 message(STATUS "Copying dependent libraries to ${DEP_LIBS_INSTALL_LOCATION}")
@@ -117,14 +82,9 @@ foreach(dependency_file_relative ${DEPENDENCIES})
 
     is_std_linux_lib(${dependency_abs_path} is_std_lib)
     if (NOT ${is_std_lib})
-        get_link_chain(${dependency_abs_path} link_chain)
-        # Reverse the chain so that the links' target is copied before the link itself.
-        list(REVERSE link_chain)
-        foreach(lib_file ${link_chain})
-            file(COPY ${lib_file} DESTINATION ${DEP_LIBS_INSTALL_LOCATION})
-        endforeach()
+        file(COPY ${dependency_file_relative} DESTINATION ${DEP_LIBS_INSTALL_LOCATION} FOLLOW_SYMLINK_CHAIN)
     endif()
 endforeach()
 
 
-file(LOCK ${lock_file_name} RELEASE)
+file(LOCK ${lock_file_name} RELEASE)