mirror of
https://github.com/reactos/CMake.git
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c4bb9c9d42
This adds copyright/license notification blocks CMake's find-modules. Many of the modules had no notices at all. Some had notices referring to the BSD license already. This commit normalizes existing notices and adds missing notices.
422 lines
14 KiB
CMake
422 lines
14 KiB
CMake
# Locates the SDL_sound library
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# This module depends on SDL being found and
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# must be called AFTER FindSDL.cmake is called.
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# This module defines
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# SDL_SOUND_INCLUDE_DIR, where to find SDL_sound.h
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# SDL_SOUND_FOUND, if false, do not try to link to SDL
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# SDL_SOUND_LIBRARIES, this contains the list of libraries that you need
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# to link against. This is a read-only variable and is marked INTERNAL.
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# SDL_SOUND_EXTRAS, this is an optional variable for you to add your own
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# flags to SDL_SOUND_LIBRARIES. This is prepended to SDL_SOUND_LIBRARIES.
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# This is available mostly for cases this module failed to anticipate for
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# and you must add additional flags. This is marked as ADVANCED.
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#
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# This module also defines (but you shouldn't need to use directly)
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# SDL_SOUND_LIBRARY, the name of just the SDL_sound library you would link
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# against. Use SDL_SOUND_LIBRARIES for you link instructions and not this one.
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# And might define the following as needed
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# MIKMOD_LIBRARY
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# MODPLUG_LIBRARY
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# OGG_LIBRARY
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# VORBIS_LIBRARY
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# SMPEG_LIBRARY
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# FLAC_LIBRARY
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# SPEEX_LIBRARY
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#
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# Typically, you should not use these variables directly, and you should use
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# SDL_SOUND_LIBRARIES which contains SDL_SOUND_LIBRARY and the other audio libraries
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# (if needed) to successfully compile on your system .
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#
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# Created by Eric Wing.
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# This module is a bit more complicated than the other FindSDL* family modules.
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# The reason is that SDL_sound can be compiled in a large variety of different ways
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# which are independent of platform. SDL_sound may dynamically link against other 3rd
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# party libraries to get additional codec support, such as Ogg Vorbis, SMPEG, ModPlug,
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# MikMod, FLAC, Speex, and potentially others.
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# Under some circumstances which I don't fully understand,
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# there seems to be a requirement
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# that dependent libraries of libraries you use must also be explicitly
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# linked against in order to successfully compile. SDL_sound does not currently
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# have any system in place to know how it was compiled.
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# So this CMake module does the hard work in trying to discover which 3rd party
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# libraries are required for building (if any).
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# This module uses a brute force approach to create a test program that uses SDL_sound,
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# and then tries to build it. If the build fails, it parses the error output for
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# known symbol names to figure out which libraries are needed.
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#
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# Responds to the $SDLDIR and $SDLSOUNDDIR environmental variable that would
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# correspond to the ./configure --prefix=$SDLDIR used in building SDL.
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#
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# On OSX, 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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# SDL_LIBRARY to override this selectionor set the CMake environment
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# CMAKE_INCLUDE_PATH to modify the search paths.
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#
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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 distributed this file outside of CMake, substitute the full
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# License text for the above reference.)
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SET(SDL_SOUND_EXTRAS "" CACHE STRING "SDL_sound extra flags")
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MARK_AS_ADVANCED(SDL_SOUND_EXTRAS)
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# Find SDL_sound.h
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FIND_PATH(SDL_SOUND_INCLUDE_DIR SDL_sound.h
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HINTS
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$ENV{SDLSOUNDDIR}/include
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$ENV{SDLSOUNDDIR}
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$ENV{SDLDIR}/include
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$ENV{SDLDIR}
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PATHS
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/usr/local/include/SDL
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/usr/include/SDL
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/usr/local/include/SDL12
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/usr/local/include/SDL11 # FreeBSD ports
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/usr/include/SDL12
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/usr/include/SDL11
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/usr/local/include
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/usr/include
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/sw/include/SDL # Fink
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/sw/include
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/opt/local/include/SDL # DarwinPorts
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/opt/local/include
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/opt/csw/include/SDL # Blastwave
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/opt/csw/include
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/opt/include/SDL
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/opt/include
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)
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FIND_LIBRARY(SDL_SOUND_LIBRARY
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NAMES SDL_sound
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HINTS
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$ENV{SDLSOUNDDIR}/lib
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$ENV{SDLSOUNDDIR}
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$ENV{SDLDIR}/lib
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$ENV{SDLDIR}
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PATHS
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/usr/local/lib
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/usr/lib
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/sw/lib
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/opt/local/lib
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/opt/csw/lib
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/opt/lib
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)
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SET(SDL_SOUND_FOUND "NO")
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IF(SDL_FOUND AND SDL_SOUND_INCLUDE_DIR AND SDL_SOUND_LIBRARY)
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# CMake is giving me problems using TRY_COMPILE with the CMAKE_FLAGS
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# for the :STRING syntax if I have multiple values contained in a
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# single variable. This is a problem for the SDL_LIBRARY variable
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# because it does just that. When I feed this variable to the command,
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# only the first value gets the appropriate modifier (e.g. -I) and
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# the rest get dropped.
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# To get multiple single variables to work, I must separate them with a "\;"
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# I could go back and modify the FindSDL.cmake module, but that's kind of painful.
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# The solution would be to try something like:
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# SET(SDL_TRY_COMPILE_LIBRARY_LIST "${SDL_TRY_COMPILE_LIBRARY_LIST}\;${CMAKE_THREAD_LIBS_INIT}")
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# Instead, it was suggested on the mailing list to write a temporary CMakeLists.txt
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# with a temporary test project and invoke that with TRY_COMPILE.
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# See message thread "Figuring out dependencies for a library in order to build"
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# 2005-07-16
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# TRY_COMPILE(
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# MY_RESULT
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# ${CMAKE_BINARY_DIR}
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# ${PROJECT_SOURCE_DIR}/DetermineSoundLibs.c
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# CMAKE_FLAGS
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# -DINCLUDE_DIRECTORIES:STRING=${SDL_INCLUDE_DIR}\;${SDL_SOUND_INCLUDE_DIR}
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# -DLINK_LIBRARIES:STRING=${SDL_SOUND_LIBRARY}\;${SDL_LIBRARY}
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# OUTPUT_VARIABLE MY_OUTPUT
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# )
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# To minimize external dependencies, create a sdlsound test program
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# which will be used to figure out if additional link dependencies are
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# required for the link phase.
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FILE(WRITE ${PROJECT_BINARY_DIR}/CMakeTmp/DetermineSoundLibs.c
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"#include \"SDL_sound.h\"
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#include \"SDL.h\"
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int main(int argc, char* argv[])
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{
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Sound_AudioInfo desired;
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Sound_Sample* sample;
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SDL_Init(0);
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Sound_Init();
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/* This doesn't actually have to work, but Init() is a no-op
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* for some of the decoders, so this should force more symbols
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* to be pulled in.
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*/
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sample = Sound_NewSampleFromFile(argv[1], &desired, 4096);
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Sound_Quit();
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SDL_Quit();
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return 0;
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}"
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)
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# Calling
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# TARGET_LINK_LIBRARIES(DetermineSoundLibs "${SDL_SOUND_LIBRARY} ${SDL_LIBRARY})
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# causes problems when SDL_LIBRARY looks like
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# /Library/Frameworks/SDL.framework;-framework Cocoa
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# The ;-framework Cocoa seems to be confusing CMake once the OS X
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# framework support was added. I was told that breaking up the list
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# would fix the problem.
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SET(TMP_TRY_LIBS)
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FOREACH(lib ${SDL_SOUND_LIBRARY} ${SDL_LIBRARY})
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SET(TMP_TRY_LIBS "${TMP_TRY_LIBS} \"${lib}\"")
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ENDFOREACH(lib)
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# MESSAGE("TMP_TRY_LIBS ${TMP_TRY_LIBS}")
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# Write the CMakeLists.txt and test project
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# Weird, this is still sketchy. If I don't quote the variables
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# in the TARGET_LINK_LIBRARIES, I seem to loose everything
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# in the SDL_LIBRARY string after the "-framework".
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# But if I quote the stuff in INCLUDE_DIRECTORIES, it doesn't work.
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FILE(WRITE ${PROJECT_BINARY_DIR}/CMakeTmp/CMakeLists.txt
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"PROJECT(DetermineSoundLibs)
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INCLUDE_DIRECTORIES(${SDL_INCLUDE_DIR} ${SDL_SOUND_INCLUDE_DIR})
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ADD_EXECUTABLE(DetermineSoundLibs DetermineSoundLibs.c)
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TARGET_LINK_LIBRARIES(DetermineSoundLibs ${TMP_TRY_LIBS})"
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)
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TRY_COMPILE(
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MY_RESULT
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${PROJECT_BINARY_DIR}/CMakeTmp
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${PROJECT_BINARY_DIR}/CMakeTmp
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DetermineSoundLibs
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OUTPUT_VARIABLE MY_OUTPUT
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)
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# MESSAGE("${MY_RESULT}")
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# MESSAGE(${MY_OUTPUT})
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IF(NOT MY_RESULT)
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# I expect that MPGLIB, VOC, WAV, AIFF, and SHN are compiled in statically.
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# I think Timidity is also compiled in statically.
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# I've never had to explcitly link against Quicktime, so I'll skip that for now.
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SET(SDL_SOUND_LIBRARIES_TMP ${SDL_SOUND_LIBRARY})
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# Find MikMod
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IF("${MY_OUTPUT}" MATCHES "MikMod_")
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FIND_LIBRARY(MIKMOD_LIBRARY
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NAMES libmikmod-coreaudio mikmod
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PATHS
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$ENV{MIKMODDIR}/lib
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$ENV{MIKMODDIR}
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$ENV{SDLSOUNDDIR}/lib
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$ENV{SDLSOUNDDIR}
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$ENV{SDLDIR}/lib
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$ENV{SDLDIR}
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/usr/local/lib
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/usr/lib
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/sw/lib
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/opt/local/lib
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/opt/csw/lib
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/opt/lib
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)
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IF(MIKMOD_LIBRARY)
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SET(SDL_SOUND_LIBRARIES_TMP ${SDL_SOUND_LIBRARIES_TMP} ${MIKMOD_LIBRARY})
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ENDIF(MIKMOD_LIBRARY)
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ENDIF("${MY_OUTPUT}" MATCHES "MikMod_")
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# Find ModPlug
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IF("${MY_OUTPUT}" MATCHES "MODPLUG_")
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FIND_LIBRARY(MODPLUG_LIBRARY
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NAMES modplug
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PATHS
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$ENV{MODPLUGDIR}/lib
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$ENV{MODPLUGDIR}
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$ENV{SDLSOUNDDIR}/lib
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$ENV{SDLSOUNDDIR}
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$ENV{SDLDIR}/lib
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$ENV{SDLDIR}
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/usr/local/lib
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/usr/lib
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/sw/lib
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/opt/local/lib
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/opt/csw/lib
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/opt/lib
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)
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IF(MODPLUG_LIBRARY)
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SET(SDL_SOUND_LIBRARIES_TMP ${SDL_SOUND_LIBRARIES_TMP} ${MODPLUG_LIBRARY})
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ENDIF(MODPLUG_LIBRARY)
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ENDIF("${MY_OUTPUT}" MATCHES "MODPLUG_")
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# Find Ogg and Vorbis
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IF("${MY_OUTPUT}" MATCHES "ov_")
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FIND_LIBRARY(VORBIS_LIBRARY
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NAMES vorbis Vorbis VORBIS
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PATHS
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$ENV{VORBISDIR}/lib
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$ENV{VORBISDIR}
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$ENV{OGGDIR}/lib
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$ENV{OGGDIR}
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$ENV{SDLSOUNDDIR}/lib
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$ENV{SDLSOUNDDIR}
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$ENV{SDLDIR}/lib
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$ENV{SDLDIR}
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/usr/local/lib
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/usr/lib
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/sw/lib
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/opt/local/lib
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/opt/csw/lib
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/opt/lib
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)
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IF(VORBIS_LIBRARY)
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SET(SDL_SOUND_LIBRARIES_TMP ${SDL_SOUND_LIBRARIES_TMP} ${VORBIS_LIBRARY})
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ENDIF(VORBIS_LIBRARY)
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FIND_LIBRARY(OGG_LIBRARY
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NAMES ogg Ogg OGG
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PATHS
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$ENV{OGGDIR}/lib
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$ENV{OGGDIR}
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$ENV{VORBISDIR}/lib
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$ENV{VORBISDIR}
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$ENV{SDLSOUNDDIR}/lib
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$ENV{SDLSOUNDDIR}
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$ENV{SDLDIR}/lib
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$ENV{SDLDIR}
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/usr/local/lib
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/usr/lib
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/sw/lib
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/opt/local/lib
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/opt/csw/lib
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/opt/lib
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)
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IF(OGG_LIBRARY)
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SET(SDL_SOUND_LIBRARIES_TMP ${SDL_SOUND_LIBRARIES_TMP} ${OGG_LIBRARY})
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ENDIF(OGG_LIBRARY)
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ENDIF("${MY_OUTPUT}" MATCHES "ov_")
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# Find SMPEG
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IF("${MY_OUTPUT}" MATCHES "SMPEG_")
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FIND_LIBRARY(SMPEG_LIBRARY
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NAMES smpeg SMPEG Smpeg SMpeg
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PATHS
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$ENV{SMPEGDIR}/lib
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$ENV{SMPEGDIR}
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$ENV{SDLSOUNDDIR}/lib
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$ENV{SDLSOUNDDIR}
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$ENV{SDLDIR}/lib
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$ENV{SDLDIR}
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/usr/local/lib
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/usr/lib
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/sw/lib
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/opt/local/lib
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/opt/csw/lib
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/opt/lib
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)
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IF(SMPEG_LIBRARY)
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SET(SDL_SOUND_LIBRARIES_TMP ${SDL_SOUND_LIBRARIES_TMP} ${SMPEG_LIBRARY})
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ENDIF(SMPEG_LIBRARY)
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ENDIF("${MY_OUTPUT}" MATCHES "SMPEG_")
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# Find FLAC
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IF("${MY_OUTPUT}" MATCHES "FLAC_")
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FIND_LIBRARY(FLAC_LIBRARY
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NAMES flac FLAC
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PATHS
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$ENV{FLACDIR}/lib
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$ENV{FLACDIR}
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$ENV{SDLSOUNDDIR}/lib
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$ENV{SDLSOUNDDIR}
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$ENV{SDLDIR}/lib
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$ENV{SDLDIR}
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/usr/local/lib
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/usr/lib
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/sw/lib
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/opt/local/lib
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/opt/csw/lib
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/opt/lib
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)
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IF(FLAC_LIBRARY)
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SET(SDL_SOUND_LIBRARIES_TMP ${SDL_SOUND_LIBRARIES_TMP} ${FLAC_LIBRARY})
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ENDIF(FLAC_LIBRARY)
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ENDIF("${MY_OUTPUT}" MATCHES "FLAC_")
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# Hmmm...Speex seems to depend on Ogg. This might be a problem if
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# the TRY_COMPILE attempt gets blocked at SPEEX before it can pull
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# in the Ogg symbols. I'm not sure if I should duplicate the ogg stuff
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# above for here or if two ogg entries will screw up things.
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IF("${MY_OUTPUT}" MATCHES "speex_")
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FIND_LIBRARY(SPEEX_LIBRARY
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NAMES speex SPEEX
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PATHS
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$ENV{SPEEXDIR}/lib
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$ENV{SPEEXDIR}
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$ENV{SDLSOUNDDIR}/lib
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$ENV{SDLSOUNDDIR}
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$ENV{SDLDIR}/lib
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$ENV{SDLDIR}
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/usr/local/lib
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/usr/lib
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/sw/lib
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/opt/local/lib
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/opt/csw/lib
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/opt/lib
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)
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IF(SPEEX_LIBRARY)
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SET(SDL_SOUND_LIBRARIES_TMP ${SDL_SOUND_LIBRARIES_TMP} ${SPEEX_LIBRARY})
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ENDIF(SPEEX_LIBRARY)
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# Find OGG (needed for Speex)
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# We might have already found Ogg for Vorbis, so skip it if so.
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IF(NOT OGG_LIBRARY)
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FIND_LIBRARY(OGG_LIBRARY
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NAMES ogg Ogg OGG
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PATHS
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$ENV{OGGDIR}/lib
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$ENV{OGGDIR}
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$ENV{VORBISDIR}/lib
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$ENV{VORBISDIR}
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$ENV{SPEEXDIR}/lib
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$ENV{SPEEXDIR}
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$ENV{SDLSOUNDDIR}/lib
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$ENV{SDLSOUNDDIR}
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$ENV{SDLDIR}/lib
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$ENV{SDLDIR}
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/usr/local/lib
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/usr/lib
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/sw/lib
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/opt/local/lib
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/opt/csw/lib
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/opt/lib
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)
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IF(OGG_LIBRARY)
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SET(SDL_SOUND_LIBRARIES_TMP ${SDL_SOUND_LIBRARIES_TMP} ${OGG_LIBRARY})
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ENDIF(OGG_LIBRARY)
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ENDIF(NOT OGG_LIBRARY)
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ENDIF("${MY_OUTPUT}" MATCHES "speex_")
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ELSE(NOT MY_RESULT)
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SET(SDL_SOUND_LIBRARIES "${SDL_SOUND_EXTRAS} ${SDL_SOUND_LIBRARY}" CACHE INTERNAL "SDL_sound and dependent libraries")
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ENDIF(NOT MY_RESULT)
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SET(SDL_SOUND_LIBRARIES "${SDL_SOUND_EXTRAS} ${SDL_SOUND_LIBRARIES_TMP}" CACHE INTERNAL "SDL_sound and dependent libraries")
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SET(SDL_SOUND_FOUND "YES")
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ENDIF(SDL_FOUND AND SDL_SOUND_INCLUDE_DIR AND SDL_SOUND_LIBRARY)
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# MESSAGE("SDL_SOUND_LIBRARIES is ${SDL_SOUND_LIBRARIES}")
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