cmake/OpenCVFindFrameworks.cmake

   1 # ----------------------------------------------------------------------------
   2 #  Detect frameworks that may be used by 3rd-party libraries as well as OpenCV
   3 # ----------------------------------------------------------------------------
   4
   5 # --- C= ---
   6 if(WITH_CSTRIPES AND NOT HAVE_TBB)
   7   include("${OpenCV_SOURCE_DIR}/cmake/OpenCVDetectCStripes.cmake")
   8 else()
   9   set(HAVE_CSTRIPES 0)
  10 endif()
  11
  12 # --- GCD ---
  13 if(APPLE AND NOT HAVE_TBB AND NOT HAVE_CSTRIPES)
  14   set(HAVE_GCD 1)
  15 else()
  16   set(HAVE_GCD 0)
  17 endif()
  18
  19 # --- Concurrency ---
  20 if(MSVC AND NOT HAVE_TBB AND NOT HAVE_CSTRIPES)
  21   set(_fname "${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeTmp/concurrencytest.cpp")
  22   file(WRITE "${_fname}" "#if _MSC_VER < 1600\n#error\n#endif\nint main() { return 0; }\n")
  23   try_compile(HAVE_CONCURRENCY "${CMAKE_BINARY_DIR}" "${_fname}")
  24   file(REMOVE "${_fname}")
  25 else()
  26   set(HAVE_CONCURRENCY 0)
  27 endif()
  28
  29 # --- OpenMP ---
  30 if(WITH_OPENMP)
  31   find_package(OpenMP)
  32   if(OPENMP_FOUND)
  33     set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} ${OpenMP_C_FLAGS}")
  34     set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${OpenMP_CXX_FLAGS}")
  35   endif()
  36   set(HAVE_OPENMP "${OPENMP_FOUND}")
  37 endif()
  38
  39 ocv_clear_vars(HAVE_PTHREADS_PF)
  40 if(WITH_PTHREADS_PF AND HAVE_PTHREAD)
  41   set(HAVE_PTHREADS_PF 1)
  42 else()
  43   set(HAVE_PTHREADS_PF 0)
  44 endif()