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110 lines
4.0 KiB
110 lines
4.0 KiB
#.rst: |
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# FindOpenAL |
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# ---------- |
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# |
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# |
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# |
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# Locate OpenAL This module defines OPENAL_LIBRARY OPENAL_FOUND, if |
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# false, do not try to link to OpenAL OPENAL_INCLUDE_DIR, where to find |
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# the headers |
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# |
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# $OPENALDIR is an environment variable that would correspond to the |
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# ./configure --prefix=$OPENALDIR used in building OpenAL. |
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# |
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# Created by Eric Wing. This was influenced by the FindSDL.cmake |
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# module. |
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#============================================================================= |
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# Copyright 2005-2009 Kitware, Inc. |
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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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# This makes the presumption that you are include al.h like |
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# #include "al.h" |
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# and not |
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# #include <AL/al.h> |
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# The reason for this is that the latter is not entirely portable. |
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# Windows/Creative Labs does not by default put their headers in AL/ and |
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# OS X uses the convention <OpenAL/al.h>. |
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# |
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# For Windows, Creative Labs seems to have added a registry key for their |
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# OpenAL 1.1 installer. I have added that key to the list of search paths, |
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# however, the key looks like it could be a little fragile depending on |
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# if they decide to change the 1.00.0000 number for bug fix releases. |
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# Also, they seem to have laid down groundwork for multiple library platforms |
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# which puts the library in an extra subdirectory. Currently there is only |
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# Win32 and I have hardcoded that here. This may need to be adjusted as |
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# platforms are introduced. |
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# The OpenAL 1.0 installer doesn't seem to have a useful key I can use. |
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# I do not know if the Nvidia OpenAL SDK has a registry key. |
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# |
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# For OS X, remember that OpenAL was added by Apple in 10.4 (Tiger). |
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# To support the framework, I originally wrote special framework detection |
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# code in this module which I have now removed with CMake's introduction |
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# of native support for frameworks. |
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# In addition, OpenAL is open source, and it is possible to compile on Panther. |
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# Furthermore, due to bugs in the initial OpenAL release, and the |
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# transition to OpenAL 1.1, it is common to need to override the built-in |
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# framework. |
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# Per my request, CMake should search for frameworks first in |
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# the following order: |
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# ~/Library/Frameworks/OpenAL.framework/Headers |
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# /Library/Frameworks/OpenAL.framework/Headers |
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# /System/Library/Frameworks/OpenAL.framework/Headers |
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# |
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# On OS X, this will prefer the Framework version (if found) over others. |
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# People will have to manually change the cache values of |
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# OPENAL_LIBRARY to override this selection or set the CMake environment |
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# CMAKE_INCLUDE_PATH to modify the search paths. |
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find_path(OPENAL_INCLUDE_DIR al.h |
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HINTS |
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ENV OPENALDIR |
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PATH_SUFFIXES include/AL include/OpenAL include |
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PATHS |
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~/Library/Frameworks |
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/Library/Frameworks |
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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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[HKEY_LOCAL_MACHINE\\SOFTWARE\\Creative\ Labs\\OpenAL\ 1.1\ Software\ Development\ Kit\\1.00.0000;InstallDir] |
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) |
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if(CMAKE_SIZEOF_VOID_P EQUAL 8) |
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set(_OpenAL_ARCH_DIR libs/Win64) |
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else() |
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set(_OpenAL_ARCH_DIR libs/Win32) |
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endif() |
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find_library(OPENAL_LIBRARY |
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NAMES OpenAL al openal OpenAL32 |
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HINTS |
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ENV OPENALDIR |
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PATH_SUFFIXES lib64 lib libs64 libs ${_OpenAL_ARCH_DIR} |
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PATHS |
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~/Library/Frameworks |
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/Library/Frameworks |
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/sw |
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/opt/local |
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/opt/csw |
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/opt |
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[HKEY_LOCAL_MACHINE\\SOFTWARE\\Creative\ Labs\\OpenAL\ 1.1\ Software\ Development\ Kit\\1.00.0000;InstallDir] |
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) |
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unset(_OpenAL_ARCH_DIR) |
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# handle the QUIETLY and REQUIRED arguments and set OPENAL_FOUND to TRUE if |
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# all listed variables are TRUE |
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include(${CMAKE_CURRENT_LIST_DIR}/FindPackageHandleStandardArgs.cmake) |
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FIND_PACKAGE_HANDLE_STANDARD_ARGS(OpenAL DEFAULT_MSG OPENAL_LIBRARY OPENAL_INCLUDE_DIR) |
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mark_as_advanced(OPENAL_LIBRARY OPENAL_INCLUDE_DIR)
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