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# - 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:
# SDLNET_LIBRARY (same value as SDL2_NET_LIBRARIES)
# SDLNET_INCLUDE_DIR (same value as SDL2_NET_INCLUDE_DIRS)
# SDLNET_FOUND (same value as SDL2_NET_FOUND)
#
# $SDLDIR is an environment variable that would
# correspond to the ./configure --prefix=$SDLDIR
# used in building SDL.
#
# Created by Eric Wing. This was influenced by the FindSDL.cmake
# module, but with modifications to recognize OS X frameworks and
# additional Unix paths (FreeBSD, etc).
#=============================================================================
# Copyright 2005-2009 Kitware, Inc.
# Copyright 2012 Benjamin Eikel
#
# Distributed under the OSI-approved BSD License (the "License");
# see accompanying file Copyright.txt for details.
#
# This software is distributed WITHOUT ANY WARRANTY; without even the
# implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
# See the License for more information.
#=============================================================================
# (To distribute this file outside of CMake, substitute the full
# License text for the above reference.)
if(NOT SDL2_NET_INCLUDE_DIR AND SDLNET_INCLUDE_DIR)
set(SDL2_NET_INCLUDE_DIR ${SDLNET_INCLUDE_DIR} CACHE PATH "directory cache
entry initialized from old variable name")
endif()
find_path(SDL2_NET_INCLUDE_DIR SDL_net.h
HINTS
ENV SDLNETDIR
ENV SDLDIR
PATH_SUFFIXES include/SDL2 include/SDL2.0 include
)
if(NOT SDL2_NET_LIBRARY AND SDLNET_LIBRARY)
set(SDL2_NET_LIBRARY ${SDLNET_LIBRARY} CACHE FILEPATH "file cache entry
initialized from old variable name")
endif()
find_library(SDL2_NET_LIBRARY
NAMES SDL2_net
HINTS
ENV SDLNETDIR
ENV SDLDIR
PATH_SUFFIXES lib
)
if(SDL2_NET_INCLUDE_DIR AND EXISTS "${SDL2_NET_INCLUDE_DIR}/SDL2_net.h")
file(STRINGS "${SDL2_NET_INCLUDE_DIR}/SDL2_net.h" SDL2_NET_VERSION_MAJOR_LINE REGEX "^#define[ \t]+SDL2_NET_MAJOR_VERSION[ \t]+[0-9]+$")
file(STRINGS "${SDL2_NET_INCLUDE_DIR}/SDL2_net.h" SDL2_NET_VERSION_MINOR_LINE REGEX "^#define[ \t]+SDL2_NET_MINOR_VERSION[ \t]+[0-9]+$")
file(STRINGS "${SDL2_NET_INCLUDE_DIR}/SDL2_net.h" SDL2_NET_VERSION_PATCH_LINE REGEX "^#define[ \t]+SDL2_NET_PATCHLEVEL[ \t]+[0-9]+$")
string(REGEX REPLACE "^#define[ \t]+SDL2_NET_MAJOR_VERSION[ \t]+([0-9]+)$" "\\1" SDL2_NET_VERSION_MAJOR "${SDL2_NET_VERSION_MAJOR_LINE}")
string(REGEX REPLACE "^#define[ \t]+SDL2_NET_MINOR_VERSION[ \t]+([0-9]+)$" "\\1" SDL2_NET_VERSION_MINOR "${SDL2_NET_VERSION_MINOR_LINE}")
string(REGEX REPLACE "^#define[ \t]+SDL2_NET_PATCHLEVEL[ \t]+([0-9]+)$" "\\1" SDL2_NET_VERSION_PATCH "${SDL2_NET_VERSION_PATCH_LINE}")
set(SDL2_NET_VERSION_STRING ${SDL2_NET_VERSION_MAJOR}.${SDL2_NET_VERSION_MINOR}.${SDL2_NET_VERSION_PATCH})
unset(SDL2_NET_VERSION_MAJOR_LINE)
unset(SDL2_NET_VERSION_MINOR_LINE)
unset(SDL2_NET_VERSION_PATCH_LINE)
unset(SDL2_NET_VERSION_MAJOR)
unset(SDL2_NET_VERSION_MINOR)
unset(SDL2_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(SDLNET_LIBRARY ${SDL2_NET_LIBRARIES})
set(SDLNET_INCLUDE_DIR ${SDL2_NET_INCLUDE_DIRS})
set(SDLNET_FOUND ${SDL2_NET_FOUND})
mark_as_advanced(SDL2_NET_LIBRARY SDL2_NET_INCLUDE_DIR)
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