1# Copyright (c) 2014 Alexander Lamaison <alexander.lamaison@gmail.com>
2#
3# Redistribution and use in source and binary forms,
4# with or without modification, are permitted provided
5# that the following conditions are met:
6#
7#   Redistributions of source code must retain the above
8#   copyright notice, this list of conditions and the
9#   following disclaimer.
10#
11#   Redistributions in binary form must reproduce the above
12#   copyright notice, this list of conditions and the following
13#   disclaimer in the documentation and/or other materials
14#   provided with the distribution.
15#
16#   Neither the name of the copyright holder nor the names
17#   of any other contributors may be used to endorse or
18#   promote products derived from this software without
19#   specific prior written permission.
20#
21# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
22# CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
23# INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
24# OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
25# ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
26# CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
27# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
28# BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
29# SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
30# INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
31# WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
32# NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE
33# USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
34# OF SUCH DAMAGE.
35
36# Some systems have their socket functions in a library.
37# (Solaris -lsocket/-lnsl, Windows -lws2_32).  This macro appends those
38# libraries to the given list
39macro(append_needed_socket_libraries LIBRARIES_LIST)
40  if(CMAKE_SYSTEM_NAME STREQUAL "Windows" AND CMAKE_SIZEOF_VOID_P EQUAL 4)
41    # x86 Windows uses STDCALL for these functions, so their names are mangled,
42    # meaning the platform checks don't work. Hardcoding these until we get
43    # a better solution.
44    set(HAVE_SOCKET 1)
45    set(HAVE_SELECT 1)
46    set(HAVE_INET_ADDR 1)
47    set(NEED_LIB_WS2_32 1)
48  else()
49    check_function_exists_may_need_library(socket HAVE_SOCKET socket ws2_32)
50    check_function_exists_may_need_library(select HAVE_SELECT ws2_32)
51    check_function_exists_may_need_library(inet_addr HAVE_INET_ADDR nsl ws2_32)
52  endif()
53
54  if(NEED_LIB_SOCKET)
55    list(APPEND ${LIBRARIES_LIST} socket)
56  endif()
57  if(NEED_LIB_NSL)
58    list(APPEND ${LIBRARIES_LIST} nsl)
59  endif()
60  if(NEED_LIB_WS2_32)
61    list(APPEND ${LIBRARIES_LIST} ws2_32)
62  endif()
63
64endmacro()