|
|
@@ -2,32 +2,129 @@
|
|
|
# This module defines
|
|
|
# SDL_LIBRARY, the name of the library to link against
|
|
|
# SDL_FOUND, if false, do not try to link to SDL
|
|
|
-# SDL_INCLUDE_DIR, where to find SDL/SDL.h
|
|
|
+# SDL_INCLUDE_DIR, where to find SDL.h
|
|
|
+#
|
|
|
+# Don't forget to include SDLmain.h and SDLmain.m your project for the
|
|
|
+# OS X framework based version. (Other versions link to -lSDLmain which
|
|
|
+# this module will try to find on your behalf.) Also for OS X, this
|
|
|
+# module will automatically add the -framework Cocoa on your behalf
|
|
|
+# though it is not necessarily visible in the UI. (Maybe somebody else
|
|
|
+# can fix this.)
|
|
|
#
|
|
|
# $SDLDIR is an environment variable that would
|
|
|
# correspond to the ./configure --prefix=$SDLDIR
|
|
|
# used in building SDL.
|
|
|
# l.e.galup 9-20-02
|
|
|
-
|
|
|
-
|
|
|
-
|
|
|
-IF (UNIX)
|
|
|
-
|
|
|
- FIND_LIBRARY(SDL_LIBRARY SDL
|
|
|
+#
|
|
|
+# Modified by Eric Wing.
|
|
|
+# Added new modifications to recognize OS X frameworks and
|
|
|
+# additional Unix paths (FreeBSD, etc).
|
|
|
+# Also corrected the header search path to follow "proper" SDL guidelines.
|
|
|
+# Added a search for SDLmain which is needed by some platforms.
|
|
|
+# Added a search for threads which is needed by some platforms.
|
|
|
+# Added needed compile switches for MinGW.
|
|
|
+#
|
|
|
+# On OSX, this will prefer the Framework version (if found) over others.
|
|
|
+# People will have to manually change the cache values of
|
|
|
+# SDL_LIBRARY to override this selection.
|
|
|
+#
|
|
|
+# Note that the header path has changed from SDL/SDL.h to just SDL.h
|
|
|
+# This needed to change because "proper" SDL convention
|
|
|
+# is #include "SDL.h", not <SDL/SDL.h>. This is done for portability
|
|
|
+# reasons because not all systems place things in SDL/ (see FreeBSD).
|
|
|
+FIND_PATH(SDL_INCLUDE_DIR SDL.h
|
|
|
+ ~/Library/Frameworks/SDL.framework/Headers
|
|
|
+ /Library/Frameworks/SDL.framework/Headers
|
|
|
+ $ENV{SDLDIR}/include
|
|
|
+ /usr/include/SDL
|
|
|
+ /usr/include/SDL12
|
|
|
+ /usr/include/SDL11
|
|
|
+ /usr/include
|
|
|
+ /usr/local/include/SDL
|
|
|
+ /usr/local/include/SDL12
|
|
|
+ /usr/local/include/SDL11
|
|
|
+ /usr/local/include
|
|
|
+ /sw/include
|
|
|
+ )
|
|
|
+# I'm not sure if I should do a special casing for Apple. It is
|
|
|
+# unlikely that other Unix systems will find the framework path.
|
|
|
+# But if they do ([Next|Open|GNU]Step?),
|
|
|
+# do they want the -framework option also?
|
|
|
+IF(${SDL_INCLUDE_DIR} MATCHES ".framework")
|
|
|
+ # The Cocoa framework must be linked into SDL because SDL is Cocoa based.
|
|
|
+ # Remember that the OS X framework version expects you to drop in
|
|
|
+ # SDLmain.h and SDLmain.m directly into your project.
|
|
|
+ # (Cocoa link moved to bottom of this script.)
|
|
|
+ # SET (SDL_LIBRARY "-framework SDL -framework Cocoa" CACHE STRING "SDL framework for OSX")
|
|
|
+ SET(SDL_LIBRARY "-framework SDL" CACHE STRING "SDL framework for OSX")
|
|
|
+ELSE(${SDL_INCLUDE_DIR} MATCHES ".framework")
|
|
|
+ # SDL-1.1 is the name used by FreeBSD ports...
|
|
|
+ # don't confuse it for the version number.
|
|
|
+ FIND_LIBRARY(SDL_LIBRARY
|
|
|
+ NAMES SDL SDL-1.1
|
|
|
+ PATHS
|
|
|
$ENV{SDLDIR}/lib
|
|
|
/usr/lib
|
|
|
/usr/local/lib
|
|
|
- )
|
|
|
+ /sw/lib
|
|
|
+ )
|
|
|
+ # Non-OS X framework versions expect you to also dynamically link to
|
|
|
+ # SDLmain. This is mainly for Windows and OS X. Other platforms
|
|
|
+ # seem to provide SDLmain for compatibility even though they don't
|
|
|
+ # necessarily need it.
|
|
|
+ FIND_LIBRARY(SDLMAIN_LIBRARY
|
|
|
+ NAMES SDLmain
|
|
|
+ PATHS
|
|
|
+ $ENV{SDLDIR}/lib
|
|
|
+ /usr/lib
|
|
|
+ /usr/local/lib
|
|
|
+ /sw/lib
|
|
|
+ )
|
|
|
+ENDIF(${SDL_INCLUDE_DIR} MATCHES ".framework")
|
|
|
|
|
|
- FIND_PATH( SDL_INCLUDE_DIR SDL/SDL.h
|
|
|
- $ENV{SDLDIR}/include
|
|
|
- /usr/include
|
|
|
- /usr/local/include
|
|
|
- )
|
|
|
+# SDL may require threads on your system.
|
|
|
+# The Apple build may not need an explicit flag because one of the
|
|
|
+# frameworks may already provide it.
|
|
|
+# But for non-OSX systems, I will use the CMake Threads package.
|
|
|
+IF(NOT APPLE)
|
|
|
+ FIND_PACKAGE(Threads)
|
|
|
+ENDIF(NOT APPLE)
|
|
|
|
|
|
-ENDIF (UNIX)
|
|
|
+# MinGW needs an additional library, mwindows
|
|
|
+# It's total link flags should look like -lmingw32 -lSDLmain -lSDL -lmwindows
|
|
|
+# (Actually on second look, I think it only needs one of the m* libraries.)
|
|
|
+IF(MINGW)
|
|
|
+ SET(MINGW32_LIBRARY mingw32 CACHE STRING "mwindows for MinGW")
|
|
|
+ENDIF(MINGW)
|
|
|
|
|
|
-SET( SDL_FOUND "NO" )
|
|
|
+SET(SDL_FOUND "NO")
|
|
|
IF(SDL_LIBRARY)
|
|
|
- SET( SDL_FOUND "YES" )
|
|
|
+ # For SDLmain
|
|
|
+ IF(SDLMAIN_LIBRARY)
|
|
|
+ SET(SDL_LIBRARY ${SDLMAIN_LIBRARY} ${SDL_LIBRARY})
|
|
|
+ ENDIF(SDLMAIN_LIBRARY)
|
|
|
+
|
|
|
+ # For OS X, SDL uses Cocoa as a backend so it must link to Cocoa.
|
|
|
+ # CMake doesn't display the -framework Cocoa string in the UI even
|
|
|
+ # though it actually is there. I think it has something to do
|
|
|
+ # with the CACHE STRING. Maybe somebody else knows how to fix this.
|
|
|
+ # The problem is mainly cosmetic, and not a functional issue.
|
|
|
+ IF(APPLE)
|
|
|
+ SET(SDL_LIBRARY ${SDL_LIBRARY} "-framework Cocoa")
|
|
|
+ ENDIF(APPLE)
|
|
|
+
|
|
|
+ # For threads, as mentioned Apple doesn't need this.
|
|
|
+ # In fact, there seems to be a problem if Find the threads package
|
|
|
+ # and try using this line, so I'm just skipping it entirely for OS X.
|
|
|
+ IF(NOT APPLE)
|
|
|
+ SET(SDL_LIBRARY ${SDL_LIBRARY} ${CMAKE_THREAD_LIBS_INIT})
|
|
|
+ ENDIF(NOT APPLE)
|
|
|
+
|
|
|
+ # For MinGW library
|
|
|
+ IF(MINGW)
|
|
|
+ SET(SDL_LIBRARY ${MINGW32_LIBRARY} ${SDL_LIBRARY})
|
|
|
+ ENDIF(MINGW)
|
|
|
+
|
|
|
+ SET(SDL_FOUND "YES")
|
|
|
ENDIF(SDL_LIBRARY)
|
|
|
+
|
Bill Hoffman