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FindSDL2_net.cmake
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FindSDL2_net.cmake
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#.rst:
# FindSDL2_net
# -----------
#
# Locate SDL2_net library
#
# This module defines:
#
# ::
#
# SDL2_NET_LIBRARIES, the name of the library to link against
# SDL2_NET_INCLUDE_DIRS, where to find the headers
# SDL2_NET_FOUND, if false, do not try to link against
# SDL2_NET_VERSION_STRING - human-readable string containing the version of SDL2_net
#
#
#
# For backward compatiblity the following variables are also set:
#
# ::
#
# SDL2NET_LIBRARY (same value as SDL2_NET_LIBRARIES)
# SDL2NET_INCLUDE_DIR (same value as SDL2_NET_INCLUDE_DIRS)
# SDL2NET_FOUND (same value as SDL2_NET_FOUND)
#
#
#
# $SDL2DIR is an environment variable that would correspond to the
# ./configure --prefix=$SDL2DIR used in building SDL2.
#
# Created by Andreas Löf. This was influenced by the FindSDL_net.cmake
# module, but with modifications to use SDL2.
#
#=============================================================================
# Copyright 2005-2009 Kitware, Inc.
# Copyright 2012 Benjamin Eikel
# Copyright 2015 Andreas Löf
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions
# are met:
#
# * Redistributions of source code must retain the above copyright
# notice, this list of conditions and the following disclaimer.
#
# * Redistributions in binary form must reproduce the above copyright
# notice, this list of conditions and the following disclaimer in the
# documentation and/or other materials provided with the distribution.
#
# * Neither the names of Kitware, Inc., the Insight Software Consortium,
# nor the names of their contributors may be used to endorse or promote
# products derived from this software without specific prior written
# permission.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
# HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#
#=============================================================================
if(NOT SDL2_NET_INCLUDE_DIR AND SDL2NET_INCLUDE_DIR)
set(SDL2_NET_INCLUDE_DIR ${SDL2NET_INCLUDE_DIR} CACHE PATH "directory cache
entry initialized from old variable name")
endif()
find_path(SDL2_NET_INCLUDE_DIR SDL_net.h
HINTS
ENV SDL2NETDIR
ENV SDL2DIR
PATH_SUFFIXES SDL2
# path suffixes to search inside ENV{SDL2DIR}
include/SDL2
)
if(CMAKE_SIZEOF_VOID_P EQUAL 8)
set(VC_LIB_PATH_SUFFIX lib/x64)
else()
set(VC_LIB_PATH_SUFFIX lib/x86)
endif()
if(NOT SDL2_NET_LIBRARY AND SDL2NET_LIBRARY)
set(SDL2_NET_LIBRARY ${SDL2NET_LIBRARY} CACHE FILEPATH "file cache entry
initialized from old variable name")
endif()
find_library(SDL2_NET_LIBRARY
NAMES SDL2_net
HINTS
ENV SDL2NETDIR
ENV SDL2DIR
PATH_SUFFIXES lib ${VC_LIB_PATH_SUFFIX}
)
if(SDL2_NET_INCLUDE_DIR AND EXISTS "${SDL2_NET_INCLUDE_DIR}/SDL_net.h")
file(STRINGS "${SDL2_NET_INCLUDE_DIR}/SDL_net.h" SDL_NET_VERSION_MAJOR_LINE REGEX "^#define[ \t]+SDL_NET_MAJOR_VERSION[ \t]+[0-9]+$")
file(STRINGS "${SDL2_NET_INCLUDE_DIR}/SDL_net.h" SDL_NET_VERSION_MINOR_LINE REGEX "^#define[ \t]+SDL_NET_MINOR_VERSION[ \t]+[0-9]+$")
file(STRINGS "${SDL2_NET_INCLUDE_DIR}/SDL_net.h" SDL_NET_VERSION_PATCH_LINE REGEX "^#define[ \t]+SDL_NET_PATCHLEVEL[ \t]+[0-9]+$")
string(REGEX REPLACE "^#define[ \t]+SDL_NET_MAJOR_VERSION[ \t]+([0-9]+)$" "\\1" SDL_NET_VERSION_MAJOR "${SDL_NET_VERSION_MAJOR_LINE}")
string(REGEX REPLACE "^#define[ \t]+SDL_NET_MINOR_VERSION[ \t]+([0-9]+)$" "\\1" SDL_NET_VERSION_MINOR "${SDL_NET_VERSION_MINOR_LINE}")
string(REGEX REPLACE "^#define[ \t]+SDL_NET_PATCHLEVEL[ \t]+([0-9]+)$" "\\1" SDL_NET_VERSION_PATCH "${SDL_NET_VERSION_PATCH_LINE}")
set(SDL2_NET_VERSION_STRING ${SDL_NET_VERSION_MAJOR}.${SDL_NET_VERSION_MINOR}.${SDL_NET_VERSION_PATCH})
unset(SDL_NET_VERSION_MAJOR_LINE)
unset(SDL_NET_VERSION_MINOR_LINE)
unset(SDL_NET_VERSION_PATCH_LINE)
unset(SDL_NET_VERSION_MAJOR)
unset(SDL_NET_VERSION_MINOR)
unset(SDL_NET_VERSION_PATCH)
endif()
set(SDL2_NET_LIBRARIES ${SDL2_NET_LIBRARY})
set(SDL2_NET_INCLUDE_DIRS ${SDL2_NET_INCLUDE_DIR})
include(FindPackageHandleStandardArgs)
FIND_PACKAGE_HANDLE_STANDARD_ARGS(SDL2_net
REQUIRED_VARS SDL2_NET_LIBRARIES SDL2_NET_INCLUDE_DIRS
VERSION_VAR SDL2_NET_VERSION_STRING)
# for backward compatiblity
set(SDL2NET_LIBRARY ${SDL2_NET_LIBRARIES})
set(SDL2NET_INCLUDE_DIR ${SDL2_NET_INCLUDE_DIRS})
set(SDL2NET_FOUND ${SDL2_NET_FOUND})
mark_as_advanced(SDL2_NET_LIBRARY SDL2_NET_INCLUDE_DIR)