Index: sauerbraten/Makefile
===================================================================
--- sauerbraten.orig/Makefile	2010-07-29 21:24:21.000000000 -0400
+++ sauerbraten/Makefile	2010-07-29 21:26:15.717746486 -0400
@@ -21,11 +21,14 @@
 CLIENT_LIBS= -mwindows -Llib -lSDL -lSDL_image -lSDL_mixer -lzdll -lopengl32 -lenet -lws2_32 -lwinmm
 else	
 CLIENT_INCLUDES= $(INCLUDES) -I/usr/X11R6/include `sdl-config --cflags`
-CLIENT_LIBS= -Lenet/.libs -lenet -L/usr/X11R6/lib `sdl-config --libs` -lSDL_image -lSDL_mixer -lz -lGL
+CLIENT_LIBS= -Lenet/.libs -lenet -L/usr/X11R6/lib `sdl-config --libs` -lSDL_image -lSDL_mixer -lz -lGL -lX11
 endif
 ifeq ($(PLATFORM),Linux)
 CLIENT_LIBS+= -lrt
 endif
+ifeq ($(PLATFORM),GNU/kFreeBSD)
+CLIENT_LIBS+= -lrt
+endif
 CLIENT_OBJS= \
 	shared/crypto.o \
 	shared/geom.o \