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-# Distributed under the OSI-approved BSD 3-Clause License. See accompanying
-# file Copyright.txt or https://cmake.org/licensing for details.
-
-#[=======================================================================[.rst:
-FindOpenAL
-----------
-
-
-Finds Open Audio Library (OpenAL).
-This module defines ``OPENAL_LIBRARY OPENAL_FOUND``, if
-false, do not try to link to OpenAL ``OPENAL_INCLUDE_DIR``, where to find
-the headers.
-
-``$OPENALDIR`` is an environment variable that would correspond to the
-``./configure --prefix=$OPENALDIR`` used in building OpenAL.
-
-Created by Eric Wing. This was influenced by the ``FindSDL.cmake``
-module.
-#]=======================================================================]
-
-# This makes the presumption that you are include al.h like
-# #include "al.h"
-# and not
-# #include <AL/al.h>
-# The reason for this is that the latter is not entirely portable.
-# Windows/Creative Labs does not by default put their headers in AL/ and
-# OS X uses the convention <OpenAL/al.h>.
-#
-# For Windows, Creative Labs seems to have added a registry key for their
-# OpenAL 1.1 installer. I have added that key to the list of search paths,
-# however, the key looks like it could be a little fragile depending on
-# if they decide to change the 1.00.0000 number for bug fix releases.
-# Also, they seem to have laid down groundwork for multiple library platforms
-# which puts the library in an extra subdirectory. Currently there is only
-# Win32 and I have hardcoded that here. This may need to be adjusted as
-# platforms are introduced.
-# The OpenAL 1.0 installer doesn't seem to have a useful key I can use.
-# I do not know if the Nvidia OpenAL SDK has a registry key.
-#
-# For OS X, remember that OpenAL was added by Apple in 10.4 (Tiger).
-# To support the framework, I originally wrote special framework detection
-# code in this module which I have now removed with CMake's introduction
-# of native support for frameworks.
-# In addition, OpenAL is open source, and it is possible to compile on Panther.
-# Furthermore, due to bugs in the initial OpenAL release, and the
-# transition to OpenAL 1.1, it is common to need to override the built-in
-# framework.
-# Per my request, CMake should search for frameworks first in
-# the following order:
-# ~/Library/Frameworks/OpenAL.framework/Headers
-# /Library/Frameworks/OpenAL.framework/Headers
-# /System/Library/Frameworks/OpenAL.framework/Headers
-#
-# On OS X, this will prefer the Framework version (if found) over others.
-# People will have to manually change the cache values of
-# OPENAL_LIBRARY to override this selection or set the CMake environment
-# CMAKE_INCLUDE_PATH to modify the search paths.
-
-find_path(OPENAL_INCLUDE_DIR al.h
- HINTS
- ENV OPENALDIR
- PATH_SUFFIXES include/AL include/OpenAL include AL OpenAL
- PATHS
- ~/Library/Frameworks
- /Library/Frameworks
- /opt
- [HKEY_LOCAL_MACHINE\\SOFTWARE\\Creative\ Labs\\OpenAL\ 1.1\ Software\ Development\ Kit\\1.00.0000;InstallDir]
-)
-
-if(CMAKE_SIZEOF_VOID_P EQUAL 8)
- set(_OpenAL_ARCH_DIR libs/Win64)
-else()
- set(_OpenAL_ARCH_DIR libs/Win32)
-endif()
-
-find_library(OPENAL_LIBRARY
- NAMES OpenAL al openal OpenAL32
- HINTS
- ENV OPENALDIR
- PATH_SUFFIXES libx32 lib64 lib libs64 libs ${_OpenAL_ARCH_DIR}
- PATHS
- ~/Library/Frameworks
- /Library/Frameworks
- /opt
- [HKEY_LOCAL_MACHINE\\SOFTWARE\\Creative\ Labs\\OpenAL\ 1.1\ Software\ Development\ Kit\\1.00.0000;InstallDir]
-)
-
-unset(_OpenAL_ARCH_DIR)
-
-include(${CMAKE_CURRENT_LIST_DIR}/FindPackageHandleStandardArgs.cmake)
-FIND_PACKAGE_HANDLE_STANDARD_ARGS(OpenAL DEFAULT_MSG OPENAL_LIBRARY OPENAL_INCLUDE_DIR)
-
-mark_as_advanced(OPENAL_LIBRARY OPENAL_INCLUDE_DIR)