The Tcpdump Group git mirrors - libpcap/blob - cmake/Modules/FindPacket.cmake

   1 #
   2 # Copyright (C) 2017 Ali Abdulkadir <autostart.ini@gmail.com>.
   3 #
   4 # Permission is hereby granted, free of charge, to any person
   5 # obtaining a copy of this software and associated documentation files
   6 # (the "Software"), to deal in the Software without restriction,
   7 # including without limitation the rights to use, copy, modify, merge,
   8 # publish, distribute, sub-license, and/or sell copies of the Software,
   9 # and to permit persons to whom the Software is furnished to do so,
  10 # subject to the following conditions:
  11 #
  12 # The above copyright notice and this permission notice shall be
  13 # included in all copies or substantial portions of the Software.
  14 #
  15 # THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  16 # EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  17 # MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  18 # NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
  19 # BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
  20 # ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
  21 # CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
  22 # SOFTWARE.
  23 #
  24 # FindPacket
  25 # ==========
  26 #
  27 # Find the Packet library and include files.
  28 #
  29 # This module defines the following variables:
  30 #
  31 #    PACKET_INCLUDE_DIR   - absolute path to the directory containing Packet32.h.
  32 #    PACKET_LIBRARY       - absolute path to the Packet library to link with.
  33 #    PACKET_FOUND         - true if the Packet library *and* its headers are found.
  34 #
  35 # Hints and Backward Compatibility
  36 # ================================
  37 #
  38 # To tell this module where to look, a user may set the environment variable
  39 # PACKET_DLL_DIR to point cmake to the *root* of a directory with include and lib
  40 # subdirectories for packet.dll (e.g WpdPack/npcap-sdk).
  41 # Alternatively, PACKET_DLL_DIR may also be set from cmake command line or GUI
  42 # (e.g cmake -DPACKET_DLL_DIR=/path/to/packet [...])
  43 #
  44
  45 if(NOT PACKET_DLL_DIR)
  46   set(PACKET_DLL_DIR $ENV{PACKET_DLL_DIR})
  47 endif()
  48
  49 # The 64-bit Packet.lib is located under /x64
  50 set(64BIT_SUBDIR "")
  51 if(CMAKE_SIZEOF_VOID_P EQUAL 8)
  52   set(64BIT_SUBDIR "/x64")
  53 endif()
  54
  55 # Find the header
  56 find_path(PACKET_INCLUDE_DIR Packet32.h
  57   HINTS "${PACKET_DLL_DIR}"
  58   PATH_SUFFIXES include Include
  59 )
  60
  61 if(PACKET_INCLUDE_DIR)
  62   message(STATUS "Found Packet32.h: ${PACKET_INCLUDE_DIR}")
  63 # else()
  64 # message(FATAL_ERROR "Could not find Packet32.h. See README.Win32 for more information.")
  65 endif()
  66
  67 # Find the library
  68 find_library(PACKET_LIBRARY
  69   NAMES Packet packet
  70   HINTS "${PACKET_DLL_DIR}"
  71   PATH_SUFFIXES Lib${64BIT_SUBDIR} lib${64BIT_SUBDIR}
  72 )
  73
  74 if(PACKET_LIBRARY)
  75   message(STATUS "Found Packet library: ${PACKET_LIBRARY}")
  76   set(HAVE_PACKET ${PACKET_LIBRARY})
  77 # else()
  78   # message(FATAL_ERROR "Could not find Packet library. See README.Win32 for more information.")
  79 endif()
  80
  81 if(PACKET_INCLUDE_DIR AND PACKET_LIBRARY)
  82   set(PACKET_FOUND TRUE)
  83 endif()
  84
  85 mark_as_advanced(PACKET_INCLUDE_DIR PACKET_LIBRARY)