[walrus@localhost Documents]$ gcc -c tictactoe.c `pkg-config --cflags --libs gtk+-2.0`
In file included from tictactoe.c:22:
tictactoe.h:60:29: warning: no newline at end of file
tictactoe.c:156:2: warning: no newline at end of file
gcc: -lgtk-x11-2.0: linker input file unused because linking not done
gcc: -lgdk-x11-2.0: linker input file unused because linking not done
gcc: -latk-1.0: linker input file unused because linking not done
gcc: -lgdk_pixbuf-2.0: linker input file unused because linking not done
gcc: -lm: linker input file unused because linking not done
gcc: -lpangocairo-1.0: linker input file unused because linking not done
gcc: -lpango-1.0: linker input file unused because linking not done
gcc: -lcairo: linker input file unused because linking not done
gcc: -lgobject-2.0: linker input file unused because linking not done
gcc: -lgmodule-2.0: linker input file unused because linking not done
gcc: -ldl: linker input file unused because linking not done
gcc: -lglib-2.0: linker input file unused because linking not done