cmake/modules/FindPCap.cmake

   1 find_path ( PCap_INCLUDE_DIR NAMES pcap.h pcap/pcap.h DOC "Path to PCap header files." )
   2 mark_as_advanced ( PCap_INCLUDE_DIR )
   3
   4 find_library ( PCap_LIB NAMES pcap DOC "Location of PCap library." )
   5 mark_as_advanced ( PCap_LIB )
   6
   7 if ( PCap_INCLUDE_DIR )
   8     file ( READ "${PCap_INCLUDE_DIR}/pcap/pcap.h" ver )
   9
  10     string ( REGEX MATCH "PCAP_VERSION_MAJOR ([0-9]*)" _ ${ver} )
  11     set ( ver_major ${CMAKE_MATCH_1} )
  12
  13     string ( REGEX MATCH "PCAP_VERSION_MINOR ([0-9]*)" _ ${ver} )
  14     set ( ver_minor ${CMAKE_MATCH_1} )
  15
  16     set ( PCap_VERSION "${ver_major}.${ver_minor}" )
  17
  18     unset ( ver )
  19     unset ( ver_major )
  20     unset ( ver_minor )
  21 endif ( PCap_INCLUDE_DIR )
  22
  23 include ( FindPackageHandleStandardArgs )
  24 find_package_handle_standard_args ( PCap
  25                                     REQUIRED_VARS PCap_LIB PCap_INCLUDE_DIR
  26                                     VERSION_VAR PCap_VERSION )
  27
  28 # Create the imported target
  29 if ( PCap_FOUND )
  30     set ( PCap_INCLUDE_DIRS ${PCap_INCLUDE_DIR} )
  31     set ( PCap_LIBRARIES ${PCap_LIB} )
  32     if ( NOT TARGET PCap::PCap )
  33         add_library ( PCap::PCap UNKNOWN IMPORTED )
  34         set_target_properties ( PCap::PCap PROPERTIES
  35                                 IMPORTED_LOCATION "${PCap_LIB}"
  36                                 INTERFACE_INCLUDE_DIRECTORIES "${PCap_INCLUDE_DIR}" )
  37     endif ( NOT TARGET PCap::PCap )
  38 endif ( PCap_FOUND )