ceph/src/civetweb/cmake/FindLibDl.cmake

   1 #.rst:
   2 # FindLibDl
   3 # --------
   4 #
   5 # Find the native realtime includes and library.
   6 #
   7 # IMPORTED Targets
   8 # ^^^^^^^^^^^^^^^^
   9 #
  10 # This module defines :prop_tgt:`IMPORTED` target ``LIBDL::LIBDL``, if
  11 # LIBDL has been found.
  12 #
  13 # Result Variables
  14 # ^^^^^^^^^^^^^^^^
  15 #
  16 # This module defines the following variables:
  17 #
  18 # ::
  19 #
  20 #   LIBDL_INCLUDE_DIRS  - where to find dlfcn.h, etc.
  21 #   LIBDL_LIBRARIES     - List of libraries when using libdl.
  22 #   LIBDL_FOUND         - True if dynamic linking library found.
  23 #
  24 # Hints
  25 # ^^^^^
  26 #
  27 # A user may set ``LIBDL_ROOT`` to a library installation root to tell this
  28 # module where to look.
  29
  30 find_path(LIBDL_INCLUDE_DIRS
  31   NAMES dlfcn.h
  32   PATHS ${LIBDL_ROOT}/include/
  33 )
  34 find_library(LIBDL_LIBRARIES dl)
  35 include(FindPackageHandleStandardArgs)
  36 find_package_handle_standard_args(LibDl DEFAULT_MSG LIBDL_LIBRARIES LIBDL_INCLUDE_DIRS)
  37 mark_as_advanced(LIBDL_INCLUDE_DIRS LIBDL_LIBRARIES)
  38
  39 if(LIBDL_FOUND)
  40     if(NOT TARGET LIBDL::LIBDL)
  41       add_library(LIBDL::LIBDL UNKNOWN IMPORTED)
  42       set_target_properties(LIBDL::LIBDL PROPERTIES
  43         IMPORTED_LOCATION "${LIBDL_LIBRARIES}"
  44         INTERFACE_INCLUDE_DIRECTORIES "${LIBDL_INCLUDE_DIRS}")
  45     endif()
  46 endif()