cmake_modules/FindSDL2_net.cmake
author Wuzzy <Wuzzy2@mail.ru>
Tue, 27 Aug 2019 23:16:42 +0200
changeset 15370 5a934f83d5eb
parent 12383 e3d9abcc427a
permissions -rw-r--r--
Tempoary (!!!) workaround for incorrect key combination description in frontend This workaround fixes the incorrect string while preserving translations and the 1.0.0 string freeze. Remember to revert this commit and fix the string in binds.cpp after the 1.0.0 release!
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# - Locate SDL2_net library
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# This module defines:
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#  SDL2_NET_LIBRARIES, the name of the library to link against
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#  SDL2_NET_INCLUDE_DIRS, where to find the headers
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#  SDL2_NET_FOUND, if false, do not try to link against
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#  SDL2_NET_VERSION_STRING - human-readable string containing the version of SDL2_net
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#
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# For backward compatiblity the following variables are also set:
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#  SDL2NET_LIBRARY (same value as SDL2_NET_LIBRARIES)
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#  SDL2NET_INCLUDE_DIR (same value as SDL2_NET_INCLUDE_DIRS)
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#  SDL2NET_FOUND (same value as SDL2_NET_FOUND)
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#
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# $SDL2DIR is an environment variable that would
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# correspond to the ./configure --prefix=$SDL2DIR
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# used in building SDL2.
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#
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# Created by Eric Wing. This was influenced by the FindSDL2.cmake
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# module, but with modifications to recognize OS X frameworks and
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# additional Unix paths (FreeBSD, etc).
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#=============================================================================
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# Copyright 2005-2009 Kitware, Inc.
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# Copyright 2012 Benjamin Eikel
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#
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# Distributed under the OSI-approved BSD License (the "License");
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# see accompanying file Copyright.txt for details.
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#
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# This software is distributed WITHOUT ANY WARRANTY; without even the
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# implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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# See the License for more information.
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#=============================================================================
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# (To distribute this file outside of CMake, substitute the full
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#  License text for the above reference.)
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if(NOT SDL2_NET_INCLUDE_DIR AND SDL2NET_INCLUDE_DIR)
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  set(SDL2_NET_INCLUDE_DIR ${SDL2NET_INCLUDE_DIR} CACHE PATH "directory cache
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entry initialized from old variable name")
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endif()
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find_path(SDL2_NET_INCLUDE_DIR SDL_net.h
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  HINTS
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    ENV SDL2NETDIR
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    ENV SDL2DIR
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  PATH_SUFFIXES include/SDL2 include
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)
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if(NOT SDL2_NET_LIBRARY AND SDL2NET_LIBRARY)
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  set(SDL2_NET_LIBRARY ${SDL2NET_LIBRARY} CACHE FILEPATH "file cache entry
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initialized from old variable name")
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endif()
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find_library(SDL2_NET_LIBRARY
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  NAMES SDL2_net
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  HINTS
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    ENV SDL2NETDIR
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    ENV SDL2DIR
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  PATH_SUFFIXES lib
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)
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if(SDL2_NET_INCLUDE_DIR AND EXISTS "${SDL2_NET_INCLUDE_DIR}/SDL_net.h")
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  file(STRINGS "${SDL2_NET_INCLUDE_DIR}/SDL_net.h" SDL2_NET_VERSION_MAJOR_LINE REGEX "^#define[ \t]+SDL_NET_MAJOR_VERSION[ \t]+[0-9]+$")
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  file(STRINGS "${SDL2_NET_INCLUDE_DIR}/SDL_net.h" SDL2_NET_VERSION_MINOR_LINE REGEX "^#define[ \t]+SDL_NET_MINOR_VERSION[ \t]+[0-9]+$")
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  file(STRINGS "${SDL2_NET_INCLUDE_DIR}/SDL_net.h" SDL2_NET_VERSION_PATCH_LINE REGEX "^#define[ \t]+SDL_NET_PATCHLEVEL[ \t]+[0-9]+$")
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  string(REGEX REPLACE "^#define[ \t]+SDL_NET_MAJOR_VERSION[ \t]+([0-9]+)$" "\\1" SDL2_NET_VERSION_MAJOR "${SDL2_NET_VERSION_MAJOR_LINE}")
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  string(REGEX REPLACE "^#define[ \t]+SDL_NET_MINOR_VERSION[ \t]+([0-9]+)$" "\\1" SDL2_NET_VERSION_MINOR "${SDL2_NET_VERSION_MINOR_LINE}")
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  string(REGEX REPLACE "^#define[ \t]+SDL_NET_PATCHLEVEL[ \t]+([0-9]+)$" "\\1" SDL2_NET_VERSION_PATCH "${SDL2_NET_VERSION_PATCH_LINE}")
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  set(SDL2_NET_VERSION_STRING ${SDL2_NET_VERSION_MAJOR}.${SDL2_NET_VERSION_MINOR}.${SDL2_NET_VERSION_PATCH})
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  unset(SDL2_NET_VERSION_MAJOR_LINE)
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  unset(SDL2_NET_VERSION_MINOR_LINE)
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  unset(SDL2_NET_VERSION_PATCH_LINE)
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  unset(SDL2_NET_VERSION_MAJOR)
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  unset(SDL2_NET_VERSION_MINOR)
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  unset(SDL2_NET_VERSION_PATCH)
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endif()
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set(SDL2_NET_LIBRARIES ${SDL2_NET_LIBRARY})
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set(SDL2_NET_INCLUDE_DIRS ${SDL2_NET_INCLUDE_DIR})
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if(BUILD_ENGINE_JS)
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    set(SDL2_NET_LIBRARY "sdl2_net_emscripten_internal")
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    set(SDL2_NET_LIBRARIES "sdl2_net_emscripten_internal")
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    set(SDL2_NET_INCLUDE_DIRS "${CMAKE_SYSTEM_INCLUDE_PATH}/SDL")
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endif()
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include(FindPackageHandleStandardArgs)
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FIND_PACKAGE_HANDLE_STANDARD_ARGS(SDL2_net
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                                  REQUIRED_VARS SDL2_NET_LIBRARIES SDL2_NET_INCLUDE_DIRS
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                                  VERSION_VAR SDL2_NET_VERSION_STRING)
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# for backward compatiblity
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set(SDLNET_LIBRARY ${SDL2_NET_LIBRARIES})
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set(SDLNET_INCLUDE_DIR ${SDL2_NET_INCLUDE_DIRS})
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set(SDLNET_FOUND ${SDL2_NET_FOUND})
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mark_as_advanced(SDL2_NET_LIBRARY SDL2_NET_INCLUDE_DIR)