110 lines
4.3 KiB
CMake
110 lines
4.3 KiB
CMake
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# - Locate SDL_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 SDL_mixer
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#
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# For backward compatiblity the following variables are also set:
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# SDLMIXER_LIBRARY (same value as SDL2_MIXER_LIBRARIES)
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# SDLMIXER_INCLUDE_DIR (same value as SDL2_MIXER_INCLUDE_DIRS)
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# SDLMIXER_FOUND (same value as SDL2_MIXER_FOUND)
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#
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# $SDLDIR is an environment variable that would
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# correspond to the ./configure --prefix=$SDLDIR
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# used in building SDL.
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#
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# Created by Eric Wing. This was influenced by the FindSDL.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(CMAKE_SIZEOF_VOID_P EQUAL 8)
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set(SDL2_ARCH_64 TRUE)
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set(SDL2_PROCESSOR_ARCH "x64")
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else()
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set(SDL2_ARCH_64 FALSE)
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set(SDL2_PROCESSOR_ARCH "x86")
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endif(CMAKE_SIZEOF_VOID_P EQUAL 8)
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SET(SDL2_SEARCH_PATHS
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~/Library/Frameworks
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/Library/Frameworks
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/usr/local
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/usr
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/sw # Fink
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/opt/local # DarwinPorts
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/opt/csw # Blastwave
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/opt
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)
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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
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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 include/SDL2
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PATHS ${SDL2_SEARCH_PATHS}
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)
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if(NOT SDL2_MIXER_LIBRARY AND SDL2MIXER_LIBRARY)
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set(SDL2_MIXER_LIBRARY ${SDL2MIXER_LIBRARY} CACHE FILEPATH "file cache entry
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initialized from old variable name")
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endif()
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find_library(SDL2_MIXER_LIBRARY
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NAMES SDL2_mixer
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HINTS
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ENV SDL2MIXERDIR
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ENV SDL2DIR
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PATH_SUFFIXES lib64 lib lib/${SDL2_PROCESSOR_ARCH}
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PATHS ${SDL2_SEARCH_PATHS}
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)
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if(SDL2_MIXER_INCLUDE_DIR AND EXISTS "${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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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(SDL2MIXER_LIBRARY ${SDL2_MIXER_LIBRARIES})
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set(SDL2MIXER_INCLUDE_DIR ${SDL2_MIXER_INCLUDE_DIRS})
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set(SDL2MIXER_FOUND ${SDL2_MIXER_FOUND})
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mark_as_advanced(SDL2_MIXER_LIBRARY SDL2_MIXER_INCLUDE_DIR)
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