Marc Zinnschlag
11 years ago
commit
f9d2fde783
@ -1,177 +0,0 @@
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# Locate SDL library
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# This module defines
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# SDL_LIBRARY, the name of the library to link against
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# SDL_FOUND, if false, do not try to link to SDL
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# SDL_INCLUDE_DIR, where to find SDL.h
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#
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# This module responds to the the flag:
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# SDL_BUILDING_LIBRARY
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# If this is defined, then no SDL_main will be linked in because
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# only applications need main().
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# Otherwise, it is assumed you are building an application and this
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# module will attempt to locate and set the the proper link flags
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# as part of the returned SDL_LIBRARY variable.
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#
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# Don't forget to include SDLmain.h and SDLmain.m your project for the
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# OS X framework based version. (Other versions link to -lSDLmain which
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# this module will try to find on your behalf.) Also for OS X, this
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# module will automatically add the -framework Cocoa on your behalf.
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#
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#
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# Additional Note: If you see an empty SDL_LIBRARY_TEMP in your configuration
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# and no SDL_LIBRARY, it means CMake did not find your SDL library
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# (SDL.dll, libsdl.so, SDL.framework, etc).
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# Set SDL_LIBRARY_TEMP to point to your SDL library, and configure again.
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# Similarly, if you see an empty SDLMAIN_LIBRARY, you should set this value
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# as appropriate. These values are used to generate the final SDL_LIBRARY
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# variable, but when these values are unset, SDL_LIBRARY does not get created.
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#
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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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# l.e.galup 9-20-02
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#
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# Modified by Eric Wing.
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# Added code to assist with automated building by using environmental variables
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# and providing a more controlled/consistent search behavior.
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# Added new modifications to recognize OS X frameworks and
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# additional Unix paths (FreeBSD, etc).
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# Also corrected the header search path to follow "proper" SDL guidelines.
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# Added a search for SDLmain which is needed by some platforms.
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# Added a search for threads which is needed by some platforms.
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# Added needed compile switches for MinGW.
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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 selection or set the CMake environment
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# CMAKE_INCLUDE_PATH to modify the search paths.
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#
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# Note that the header path has changed from SDL/SDL.h to just SDL.h
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# This needed to change because "proper" SDL convention
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# is #include "SDL.h", not <SDL/SDL.h>. This is done for portability
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# reasons because not all systems place things in SDL/ (see FreeBSD).
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#=============================================================================
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# Copyright 2003-2009 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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FIND_PATH(SDL_INCLUDE_DIR SDL.h
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HINTS
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$ENV{SDLDIR}
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PATH_SUFFIXES include/SDL include
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PATHS
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~/Library/Frameworks
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/Library/Frameworks
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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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/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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#MESSAGE("SDL_INCLUDE_DIR is ${SDL_INCLUDE_DIR}")
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# SDL-1.1 is the name used by FreeBSD ports...
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# don't confuse it for the version number.
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FIND_LIBRARY(SDL_LIBRARY_TEMP
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NAMES SDL SDL-1.1
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HINTS
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$ENV{SDLDIR}
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PATH_SUFFIXES lib64 lib
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PATHS
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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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)
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#MESSAGE("SDL_LIBRARY_TEMP is ${SDL_LIBRARY_TEMP}")
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IF(NOT SDL_BUILDING_LIBRARY)
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IF(NOT ${SDL_INCLUDE_DIR} MATCHES ".framework")
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# Non-OS X framework versions expect you to also dynamically link to
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# SDLmain. This is mainly for Windows and OS X. Other (Unix) platforms
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# seem to provide SDLmain for compatibility even though they don't
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# necessarily need it.
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FIND_LIBRARY(SDLMAIN_LIBRARY
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NAMES SDLmain SDLmain-1.1
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HINTS
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$ENV{SDLDIR}
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PATH_SUFFIXES lib64 lib
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PATHS
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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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)
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ENDIF(NOT ${SDL_INCLUDE_DIR} MATCHES ".framework")
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ENDIF(NOT SDL_BUILDING_LIBRARY)
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# SDL may require threads on your system.
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# The Apple build may not need an explicit flag because one of the
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# frameworks may already provide it.
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# But for non-OSX systems, I will use the CMake Threads package.
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IF(NOT APPLE)
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FIND_PACKAGE(Threads)
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ENDIF(NOT APPLE)
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# MinGW needs an additional library, mwindows
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# It's total link flags should look like -lmingw32 -lSDLmain -lSDL -lmwindows
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# (Actually on second look, I think it only needs one of the m* libraries.)
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IF(MINGW)
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SET(MINGW32_LIBRARY mingw32 CACHE STRING "mwindows for MinGW")
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ENDIF(MINGW)
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SET(SDL_FOUND "NO")
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IF(SDL_LIBRARY_TEMP)
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# For SDLmain
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IF(NOT SDL_BUILDING_LIBRARY)
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IF(SDLMAIN_LIBRARY)
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SET(SDL_LIBRARY_TEMP ${SDLMAIN_LIBRARY} ${SDL_LIBRARY_TEMP})
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ENDIF(SDLMAIN_LIBRARY)
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ENDIF(NOT SDL_BUILDING_LIBRARY)
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# For OS X, SDL uses Cocoa as a backend so it must link to Cocoa.
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# CMake doesn't display the -framework Cocoa string in the UI even
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# though it actually is there if I modify a pre-used variable.
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# I think it has something to do with the CACHE STRING.
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# So I use a temporary variable until the end so I can set the
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# "real" variable in one-shot.
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IF(APPLE)
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SET(SDL_LIBRARY_TEMP ${SDL_LIBRARY_TEMP} "-framework Cocoa")
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ENDIF(APPLE)
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# For threads, as mentioned Apple doesn't need this.
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# In fact, there seems to be a problem if I used the Threads package
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# and try using this line, so I'm just skipping it entirely for OS X.
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IF(NOT APPLE)
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SET(SDL_LIBRARY_TEMP ${SDL_LIBRARY_TEMP} ${CMAKE_THREAD_LIBS_INIT})
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ENDIF(NOT APPLE)
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# For MinGW library
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IF(MINGW)
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SET(SDL_LIBRARY_TEMP ${MINGW32_LIBRARY} ${SDL_LIBRARY_TEMP})
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ENDIF(MINGW)
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# Set the final string here so the GUI reflects the final state.
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SET(SDL_LIBRARY ${SDL_LIBRARY_TEMP} CACHE STRING "Where the SDL Library can be found")
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# Set the temp variable to INTERNAL so it is not seen in the CMake GUI
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SET(SDL_LIBRARY_TEMP "${SDL_LIBRARY_TEMP}" CACHE INTERNAL "")
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SET(SDL_FOUND "YES")
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ENDIF(SDL_LIBRARY_TEMP)
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#MESSAGE("SDL_LIBRARY is ${SDL_LIBRARY}")
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