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227 lines
8.2 KiB
CMake
227 lines
8.2 KiB
CMake
# Distributed under the OSI-approved BSD 3-Clause License. See accompanying
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# file Copyright.txt or https://cmake.org/licensing for details.
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# Copyright 2019 Amine Ben Hassouna <amine.benhassouna@gmail.com>
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# Copyright 2000-2019 Kitware, Inc. and Contributors
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# All rights reserved.
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# Redistribution and use in source and binary forms, with or without
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# modification, are permitted provided that the following conditions
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# are met:
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# * Redistributions of source code must retain the above copyright
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# notice, this list of conditions and the following disclaimer.
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# * Redistributions in binary form must reproduce the above copyright
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# notice, this list of conditions and the following disclaimer in the
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# documentation and/or other materials provided with the distribution.
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# * Neither the name of Kitware, Inc. nor the names of Contributors
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# may be used to endorse or promote products derived from this
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# software without specific prior written permission.
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# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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# HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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#[=======================================================================[.rst:
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FindSDL2_mixer
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--------------
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Locate SDL2_mixer library
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This module defines the following 'IMPORTED' target:
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::
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SDL2::Mixer
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The SDL2_mixer library, if found.
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Have SDL2::SDL2 as a link dependency.
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This module will set the following variables in your project:
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::
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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
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version of SDL2_mixer
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This module responds to the following cache variables:
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::
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SDL2_MIXER_PATH
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Set a custom SDL2_mixer Library path (default: empty)
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SDL2_MIXER_NO_DEFAULT_PATH
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Disable search SDL2_mixer Library in default path.
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If SDL2_MIXER_PATH (default: ON)
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Else (default: OFF)
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SDL2_MIXER_INCLUDE_DIR
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SDL2_mixer headers path.
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SDL2_MIXER_LIBRARY
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SDL2_mixer Library (.dll, .so, .a, etc) path.
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Additional Note: If you see an empty SDL2_MIXER_LIBRARY in your project
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configuration, it means CMake did not find your SDL2_mixer library
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(SDL2_mixer.dll, libsdl2_mixer.so, etc). Set SDL2_MIXER_LIBRARY to point
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to your SDL2_mixer library, and configure again. This value is used to
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generate the final SDL2_MIXER_LIBRARIES variable and the SDL2::Mixer target,
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but when this value is unset, SDL2_MIXER_LIBRARIES and SDL2::Mixer does not
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get created.
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$SDL2MIXERDIR is an environment variable that would correspond to the
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./configure --prefix=$SDL2MIXERDIR used in building SDL2_mixer.
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$SDL2DIR is an environment variable that would correspond to the
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./configure --prefix=$SDL2DIR used in building SDL2.
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Created by Amine Ben Hassouna:
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Adapt FindSDL_mixer.cmake to SDL2_mixer (FindSDL2_mixer.cmake).
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Add cache variables for more flexibility:
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SDL2_MIXER_PATH, SDL2_MIXER_NO_DEFAULT_PATH (for details, see doc above).
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Add SDL2 as a required dependency.
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Modernize the FindSDL2_mixer.cmake module by creating a specific target:
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SDL2::Mixer (for details, see doc above).
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Original FindSDL_mixer.cmake module:
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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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# SDL2 Library required
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find_package(SDL2 QUIET)
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if(NOT SDL2_FOUND)
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set(SDL2_MIXER_SDL2_NOT_FOUND "Could NOT find SDL2 (SDL2 is required by SDL2_mixer).")
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if(SDL2_mixer_FIND_REQUIRED)
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message(FATAL_ERROR ${SDL2_MIXER_SDL2_NOT_FOUND})
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else()
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if(NOT SDL2_mixer_FIND_QUIETLY)
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message(STATUS ${SDL2_MIXER_SDL2_NOT_FOUND})
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endif()
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return()
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endif()
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unset(SDL2_MIXER_SDL2_NOT_FOUND)
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endif()
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# Define options for searching SDL2_mixer Library in a custom path
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set(SDL2_MIXER_PATH "" CACHE STRING "Custom SDL2_mixer Library path")
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set(_SDL2_MIXER_NO_DEFAULT_PATH OFF)
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if(SDL2_MIXER_PATH)
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set(_SDL2_MIXER_NO_DEFAULT_PATH ON)
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endif()
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set(SDL2_MIXER_NO_DEFAULT_PATH ${_SDL2_MIXER_NO_DEFAULT_PATH}
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CACHE BOOL "Disable search SDL2_mixer Library in default path")
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unset(_SDL2_MIXER_NO_DEFAULT_PATH)
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set(SDL2_MIXER_NO_DEFAULT_PATH_CMD)
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if(SDL2_MIXER_NO_DEFAULT_PATH)
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set(SDL2_MIXER_NO_DEFAULT_PATH_CMD NO_DEFAULT_PATH)
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endif()
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# Search for the SDL2_mixer include directory
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find_path(SDL2_MIXER_INCLUDE_DIR SDL_mixer.h
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HINTS
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ENV SDL2MIXERDIR
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ENV SDL2DIR
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${SDL2_MIXER_NO_DEFAULT_PATH_CMD}
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PATH_SUFFIXES SDL2
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# path suffixes to search inside ENV{SDL2DIR}
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# and ENV{SDL2MIXERDIR}
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include/SDL2 include
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PATHS ${SDL2_MIXER_PATH}
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DOC "Where the SDL2_mixer headers can be found"
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)
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if(CMAKE_SIZEOF_VOID_P EQUAL 8)
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set(VC_LIB_PATH_SUFFIX lib/x64)
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else()
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set(VC_LIB_PATH_SUFFIX lib/x86)
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endif()
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# Search for the SDL2_mixer library
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find_library(SDL2_MIXER_LIBRARY
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NAMES SDL2_mixer
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HINTS
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ENV SDL2MIXERDIR
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ENV SDL2DIR
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${SDL2_MIXER_NO_DEFAULT_PATH_CMD}
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PATH_SUFFIXES lib ${VC_LIB_PATH_SUFFIX}
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PATHS ${SDL2_MIXER_PATH}
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DOC "Where the SDL2_mixer Library can be found"
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)
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# Read SDL2_mixer version
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if(SDL2_MIXER_INCLUDE_DIR AND EXISTS "${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 ${SDL2_MIXER_INCLUDE_DIR})
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include(FindPackageHandleStandardArgs)
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FIND_PACKAGE_HANDLE_STANDARD_ARGS(SDL2_mixer
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REQUIRED_VARS SDL2_MIXER_LIBRARIES SDL2_MIXER_INCLUDE_DIRS
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VERSION_VAR SDL2_MIXER_VERSION_STRING)
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mark_as_advanced(SDL2_MIXER_PATH
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SDL2_MIXER_NO_DEFAULT_PATH
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SDL2_MIXER_LIBRARY
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SDL2_MIXER_INCLUDE_DIR)
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if(SDL2_MIXER_FOUND)
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# SDL2::Mixer target
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if(SDL2_MIXER_LIBRARY AND NOT TARGET SDL2::Mixer)
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add_library(SDL2::Mixer UNKNOWN IMPORTED)
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set_target_properties(SDL2::Mixer PROPERTIES
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IMPORTED_LOCATION "${SDL2_MIXER_LIBRARY}"
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INTERFACE_INCLUDE_DIRECTORIES "${SDL2_MIXER_INCLUDE_DIR}"
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INTERFACE_LINK_LIBRARIES SDL2::SDL2)
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if (APPLE_IOS)
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target_link_libraries(SDL2::Mixer INTERFACE
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"-framework AudioToolbox"
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"-framework CoreServices"
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)
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endif()
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endif()
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endif()
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