CMakeLists.txt

cmake_minimum_required(VERSION 3.15.0)
project(Saliency VERSION 0.1.2)

set(CMAKE_CXX_STANDARD 17)
set(CMAKE_EXPORT_COMPILE_COMMANDS ON)
set(PROJECT_SOURCE_DIR "${CMAKE_SOURCE_DIR}/source")

set(EXEC_NAME
    "saliency"
    CACHE STRING "Name of the main executable program")

set(OPENCV_INSTALL_DIR
    "${CMAKE_SOURCE_DIR}/opencv"
    CACHE PATH "Root path where the OpenCV library is installed")

set(SALIENCY_BIN_DIR "${CMAKE_SOURCE_DIR}/saliency/bin")

find_package(OpenCV REQUIRED HINTS "${OPENCV_INSTALL_DIR}")
include_directories(${OpenCV_INCLUDE_DIRS} ${PROJECT_SOURCE_DIR})

add_executable(${EXEC_NAME} main.cpp)
add_executable(highgui_test tests/highgui_test.cpp)
add_executable(write_default_params tests/write_default_params.cpp)

target_link_libraries(${EXEC_NAME} ${OpenCV_LIBS})
target_link_libraries(highgui_test ${OpenCV_LIBS})
target_link_libraries(write_default_params ${OpenCV_LIBS})

# try to find FFMPEG opencv library for video capture on windows
if(WIN32)
  find_file(
    OPENCV_FFMPEG_LIB
    NAMES opencv_videoio_ffmpeg.dll opencv_videoio_ffmpeg450_64.dll
    PATHS "${OPENCV_INSTALL_DIR}/../bin"
    HINTS "${OPENCV_INSTALL_DIR}/..")

  if(NOT OPENCV_FFMPEG_LIB)
    file(
      GLOB_RECURSE OPENCV_FFMPEG_LIB
      LIST_DIRECTORIES false
      "${OPENCV_INSTALL_DIR}/../opencv_videoio_ffmpeg*")
  endif()

  if(OPENCV_FFMPEG_LIB)
    message(
      "FFMPEG found. Will copy from: ${OPENCV_FFMPEG_LIB} to ${SALIENCY_BIN_DIR}"
    )
    add_custom_command(
      TARGET ${EXEC_NAME}
      PRE_LINK
      COMMAND ${CMAKE_COMMAND} -E copy ${OPENCV_FFMPEG_LIB} ${SALIENCY_BIN_DIR})
    add_custom_command(
      TARGET ${EXEC_NAME}
      PRE_LINK
      COMMAND ${CMAKE_COMMAND} -E copy ${OPENCV_FFMPEG_LIB}
              "${CMAKE_SOURCE_DIR}/build")

  else(message ("FFMPEG not found. Video capture may not work."))

  endif()

endif()

install(TARGETS ${EXEC_NAME} highgui_test write_default_params
        RUNTIME DESTINATION ${SALIENCY_BIN_DIR})