cmake_modules/FindSDL2_mixer.cmake
author Wuzzy <Wuzzy2@mail.ru>
Mon, 13 Nov 2017 22:14:45 +0100
changeset 12836 8610462e3d33
parent 12383 e3d9abcc427a
permissions -rw-r--r--
Remove 2 unused number tags in Construction Mode GUI These numbers are shown aside the power tag, but the numbers never change. They don't serve any purpose and are just visual clutter and annoying, since they partially overlap. They are probably a leftover from copying code over from other scripts. With this changeset, only the power and turn time are left visible, as it is supposed to.
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# - Locate SDL2_mixer library
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# This module defines:
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#  SDL2_MIXER_LIBRARIES, the name of the library to link against
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#  SDL2_MIXER_INCLUDE_DIRS, where to find the headers
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#  SDL2_MIXER_FOUND, if false, do not try to link against
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#  SDL2_MIXER_VERSION_STRING - human-readable string containing the version of SDL2_mixer
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#
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# For backward compatiblity the following variables are also set:
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#  SDL2MIXER_LIBRARY (same value as SDL2_MIXER_LIBRARIES)
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#  SDL2MIXER_INCLUDE_DIR (same value as SDL2_MIXER_INCLUDE_DIRS)
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#  SDL2MIXER_FOUND (same value as SDL2_MIXER_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_MIXER_INCLUDE_DIR AND SDL2MIXER_INCLUDE_DIR)
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  set(SDL2_MIXER_INCLUDE_DIR ${SDL2MIXER_INCLUDE_DIR} CACHE PATH "directory cache entry initialized from old variable name")
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endif()
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find_path(SDL2_MIXER_INCLUDE_DIR SDL_mixer.h
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  HINTS
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    ENV SDL2MIXERDIR
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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_MIXER_LIBRARY AND SDL2MIXER_LIBRARY)
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  set(SDL2_MIXER_LIBRARY ${SDL2MIXER_LIBRARY} CACHE FILEPATH "file cache entry
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initialized from old variable name")
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endif()
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find_library(SDL2_MIXER_LIBRARY
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  NAMES SDL2_mixer
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  HINTS
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    ENV SDL2MIXERDIR
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    ENV SDL2DIR
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  PATH_SUFFIXES lib
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)
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if(SDL2_MIXER_INCLUDE_DIR AND EXISTS "${SDL2_MIXER_INCLUDE_DIR}/SDL_mixer.h")
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  file(STRINGS "${SDL2_MIXER_INCLUDE_DIR}/SDL_mixer.h" SDL2_MIXER_VERSION_MAJOR_LINE REGEX "^#define[ \t]+SDL_MIXER_MAJOR_VERSION[ \t]+[0-9]+$")
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  file(STRINGS "${SDL2_MIXER_INCLUDE_DIR}/SDL_mixer.h" SDL2_MIXER_VERSION_MINOR_LINE REGEX "^#define[ \t]+SDL_MIXER_MINOR_VERSION[ \t]+[0-9]+$")
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  file(STRINGS "${SDL2_MIXER_INCLUDE_DIR}/SDL_mixer.h" SDL2_MIXER_VERSION_PATCH_LINE REGEX "^#define[ \t]+SDL_MIXER_PATCHLEVEL[ \t]+[0-9]+$")
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  string(REGEX REPLACE "^#define[ \t]+SDL_MIXER_MAJOR_VERSION[ \t]+([0-9]+)$" "\\1" SDL2_MIXER_VERSION_MAJOR "${SDL2_MIXER_VERSION_MAJOR_LINE}")
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  string(REGEX REPLACE "^#define[ \t]+SDL_MIXER_MINOR_VERSION[ \t]+([0-9]+)$" "\\1" SDL2_MIXER_VERSION_MINOR "${SDL2_MIXER_VERSION_MINOR_LINE}")
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  string(REGEX REPLACE "^#define[ \t]+SDL_MIXER_PATCHLEVEL[ \t]+([0-9]+)$" "\\1" SDL2_MIXER_VERSION_PATCH "${SDL2_MIXER_VERSION_PATCH_LINE}")
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  set(SDL2_MIXER_VERSION_STRING ${SDL2_MIXER_VERSION_MAJOR}.${SDL2_MIXER_VERSION_MINOR}.${SDL2_MIXER_VERSION_PATCH})
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  unset(SDL2_MIXER_VERSION_MAJOR_LINE)
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  unset(SDL2_MIXER_VERSION_MINOR_LINE)
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  unset(SDL2_MIXER_VERSION_PATCH_LINE)
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  unset(SDL2_MIXER_VERSION_MAJOR)
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  unset(SDL2_MIXER_VERSION_MINOR)
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  unset(SDL2_MIXER_VERSION_PATCH)
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endif()
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set(SDL2_MIXER_LIBRARIES ${SDL2_MIXER_LIBRARY})
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set(SDL2_MIXER_INCLUDE_DIRS ${SDL2_MIXER_INCLUDE_DIR})
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if(BUILD_ENGINE_JS)
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    set(SDL2_MIXER_LIBRARY "sdl2_mixer_emscripten_internal")
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    set(SDL2_MIXER_LIBRARIES "sdl2_mixer_emscripten_internal")
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    set(SDL2_MIXER_INCLUDE_DIRS "${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_mixer
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                                  REQUIRED_VARS SDL2_MIXER_LIBRARIES SDL2_MIXER_INCLUDE_DIRS
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                                  VERSION_VAR SDL2_MIXER_VERSION_STRING)
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# for backward compatiblity
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set(SDLMIXER_LIBRARY ${SDL2_MIXER_LIBRARIES})
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set(SDLMIXER_INCLUDE_DIR ${SDL2_MIXER_INCLUDE_DIRS})
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set(SDLMIXER_FOUND ${SDL2_MIXER_FOUND})
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mark_as_advanced(SDL2_MIXER_LIBRARY SDL2_MIXER_INCLUDE_DIR)