SDL HELP 2

MacVisual.cxx: In member function `virtual void MacVisual::setLevel(int)':
MacVisual.cxx:72: warning: unused parameter `int level'
MacVisual.cxx: In member function `virtual void MacVisual::setStereo(bool)':
MacVisual.cxx:121: warning: unused parameter `bool stereo'
MacVisual.cxx: In member function `virtual void MacVisual::setMultisample(int)
   ':
MacVisual.cxx:148: warning: unused parameter `int value'
source='MacWindow.cxx' object='MacWindow.o' libtool=no \
depfile='.deps/MacWindow.Po' tmpdepfile='.deps/MacWindow.TPo' \
depmode=gcc3 /bin/sh ../../../depcomp \
g++ -DHAVE_CONFIG_H -I. -I. -I../../../include   -I../../../src/platform -pipe -ansi -pedantic -fno-exceptions -W -Wall -Wundef -Wstrict-prototypes  -g -O2 -DBZ_BUILD_DATE=20050801 -O3 -ffast-math -fomit-frame-pointer -fexpensive-optimizations -fno-exceptions -c -o MacWindow.o `test -f 'MacWindow.cxx' || echo './'`MacWindow.cxx
MacWindow.cxx:421:5: warning: "DEBUG" is not defined
MacWindow.cxx:543:5: warning: "DEBUG" is not defined
MacWindow.cxx: In member function `virtual void MacWindow::showWindow(bool)':
MacWindow.cxx:440: warning: unused parameter `bool show'
MacWindow.cxx: In member function `virtual void MacWindow::setTitle(const 
   char*)':
MacWindow.cxx:452: warning: unused parameter `const char*title'
MacWindow.cxx: In member function `virtual void MacWindow::setPosition(int, 
   int)':
MacWindow.cxx:453: warning: unused parameter `int x'
MacWindow.cxx:453: warning: unused parameter `int y'
MacWindow.cxx: In member function `virtual void MacWindow::setMinSize(int, int)
   ':
MacWindow.cxx:489: warning: unused parameter `int width'
MacWindow.cxx:489: warning: unused parameter `int height'
gcc -DHAVE_CONFIG_H -I. -I. -I../../../include   -I../../../src/platform -pipe -ansi -pedantic -fno-exceptions -W -Wall -Wundef -Wstrict-prototypes  -g -O2 -pipe -pedantic -fno-exceptions -W -Wall -Wundef -Wstrict-prototypes -O3 -c -o SDLMain.o `test -f 'SDLMain.m' || echo './'`SDLMain.m
SDLMain.m:8:21: SDL/SDL.h: No such file or directory
SDLMain.m: In function `-[SDLApplication terminate:]':
SDLMain.m:41: error: `SDL_Event' undeclared (first use in this function)
SDLMain.m:41: error: (Each undeclared identifier is reported only once
SDLMain.m:41: error: for each function it appears in.)
SDLMain.m:41: error: parse error before "event"
SDLMain.m:42: error: `event' undeclared (first use in this function)
SDLMain.m:42: error: `SDL_QUIT' undeclared (first use in this function)
SDLMain.m:43: warning: implicit declaration of function `SDL_PushEvent'
SDLMain.m:39: warning: unused parameter `sender'
SDLMain.m: In function `-[SDLMain applicationDidFinishLaunching:]':
SDLMain.m:196: warning: implicit declaration of function `SDL_main'
SDLMain.m:184: warning: unused parameter `note'
SDLMain.m: In function `CustomApplicationMain':
SDLMain.m:156: warning: unused parameter `argc'
SDLMain.m:156: warning: unused parameter `argv'
make[3]: *** [SDLMain.o] Error 1
make[2]: *** [all-recursive] Error 1
make[1]: *** [all-recursive] Error 1
make: *** [all-recursive] Error 1
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