ceph/src/civetweb/cmake/FindLibM.cmake

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