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source: code/branches/gamestate/cmake/FindENet.cmake @ 6806

Last change on this file since 6806 was 5781, checked in by rgrieder, 15 years ago

Reverted trunk again. We might want to find a way to delete these revisions again (x3n's changes are still available as diff in the commit mails).

  • Property svn:eol-style set to native
File size: 2.0 KB
Line 
1# - Try to find enet
2# Once done this will define
3#
4#  ENET_FOUND - system has enet
5#  ENet_INCLUDE_DIR - the enet include directory
6#  ENet_LIBRARY - the library needed to link against enet
7#
8# $ENETDIR is an environment variable used for finding enet.
9#
10#  Borrowed from The Mana World
11#  http://themanaworld.org/
12#
13# Several changes and additions by Fabian 'x3n' Landau
14# Lots of simplifications by Adrian Friedli and Reto Grieder
15# Version checking by Reto Grieder
16#                 > www.orxonox.net <
17
18INCLUDE(FindPackageHandleAdvancedArgs)
19INCLUDE(HandleLibraryTypes)
20
21FIND_PATH(ENET_INCLUDE_DIR enet/enet.h
22  PATHS $ENV{ENETDIR}
23  PATH_SUFFIXES include
24)
25FIND_LIBRARY(ENET_LIBRARY_OPTIMIZED
26  NAMES enet
27  PATHS $ENV{ENETDIR}
28  PATH_SUFFIXES lib
29)
30FIND_LIBRARY(ENET_LIBRARY_DEBUG
31  NAMES enetd enet_d enet_D
32  PATHS $ENV{ENETDIR}
33  PATH_SUFFIXES lib
34)
35
36# Try to determine the version. Note that enet only stores the major
37# version in the header file. So we check for existing functions.
38# Hence the this script only distinguishes between 1.0, 1.1 and 1.2
39FILE(STRINGS ${ENET_INCLUDE_DIR}/enet/enet.h _enet_header REGEX "ENET_")
40IF(_enet_header MATCHES "ENET_VERSION[ \t]*=[ \t]*1")
41  IF(_enet_header MATCHES "enet_socket_set_option")
42    SET(ENET_VERSION 1.2)
43  ELSEIF(_enet_header MATCHES "enet_peer_disconnect_later")
44    SET(ENET_VERSION 1.1)
45  ELSE()
46    SET(ENET_VERSION 1.0)
47  ENDIF()
48ELSE()
49  SET(ENET_VERSION 0) # Script doesn't support versions below 1.0
50ENDIF()
51
52# Handle the REQUIRED argument and set ENET_FOUND
53# Also check the the version requirements
54FIND_PACKAGE_HANDLE_ADVANCED_ARGS(ENet DEFAULT_MSG ${ENET_VERSION}
55  ENET_LIBRARY_OPTIMIZED
56  ENET_INCLUDE_DIR
57)
58
59# Collect optimized and debug libraries
60IF(NOT LINK_ENET_DYNAMIC AND WIN32)
61  # ENet is linked statically, hence we need to add some windows dependencies
62  HANDLE_LIBRARY_TYPES(ENET ws2_32 winmm)
63ELSE()
64  HANDLE_LIBRARY_TYPES(ENET)
65ENDIF()
66
67MARK_AS_ADVANCED(
68  ENET_INCLUDE_DIR
69  ENET_LIBRARY_OPTIMIZED
70  ENET_LIBRARY_DEBUG
71)
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