Undefined reference on Mac OSX 10.1

Hi all,

A player of one of my games had problems to run it. After digging a bit,
I got him to send me the terminal output when the game is launched :

[localhost:faceit.app/contents/macos] jonwheel% ./launcher-faceit
dyld: ./faceit Undefined symbols:
./faceit undefined reference to _ICLaunchURL expected to be defined in
Cocoa
./faceit undefined reference to _ICStart expected to be defined in Cocoa
./faceit undefined reference to _ICStop expected to be defined in Cocoa
./libSDL-1.2.0.dylib undefined reference to _CGMainDisplayID expected to
be defined in Carbon

I believe the first three undefined references are my fault, but the
last one seems to be a SDL problem. It’s SDL 1.2.6 and the system is Mac
OSX 10.1.4 (almost certainly).

Any idea?

Thanks,
–Gabriel