cmake/modules/FindLibRT.cmake

   1 #.rst:
   2 # FindLibRT
   3 # ---------
   4 #
   5 # Find librt library and headers.
   6 #
   7 # The mdoule defines the following variables:
   8 #
   9 # ::
  10 #
  11 # LibRT_FOUND       - true if librt was found
  12 # LibRT_INCLUDE_DIR - include search path
  13 # LibRT_LIBRARIES   - libraries to link
  14
  15 if(UNIX)
  16   find_path(LibRT_INCLUDE_DIR
  17             NAMES
  18               time.h)
  19   find_library(LibRT_LIBRARIES rt)
  20
  21   include(FindPackageHandleStandardArgs)
  22   find_package_handle_standard_args(LibRT
  23                                     REQUIRED_VARS
  24                                       LibRT_LIBRARIES
  25                                       LibRT_INCLUDE_DIR)
  26
  27   if(LibRT_FOUND)
  28     if(NOT TARGET RT::rt)
  29       add_library(RT::rt UNKNOWN IMPORTED)
  30       set_target_properties(RT::rt
  31                             PROPERTIES
  32                               IMPORTED_LOCATION ${LibRT_LIBRARIES}
  33                               INTERFACE_INCLUDE_DIRECTORIES ${LibRT_INCLUDE_DIR})
  34     endif()
  35   endif()
  36
  37   mark_as_advanced(LibRT_LIBRARIES LibRT_INCLUDE_DIR)
  38 endif()
  39