diff -ru digger-digger.orig/Makefile digger-digger/Makefile
--- digger-digger.orig/Makefile	2013-10-11 04:56:41.000000000 -0400
+++ digger-digger/Makefile	2014-04-24 13:11:58.749211920 -0400
@@ -26,7 +26,7 @@
 ifeq ($(ARCH),"LINUX")
 OBJS	+= fbsd_sup.o	# strup()
 RCFLAGS	+= -DLINUX $(shell sdl-config --cflags)
-LIBS	+= $(shell sdl-config --libs) -lz
+LIBS	+= $(shell sdl-config --libs) -lX11 -lz
 ESUFFIX	=
 endif
 
@@ -40,7 +40,7 @@
 all: digger$(ESUFFIX)
 
 digger$(ESUFFIX): $(OBJS)
-	$(CC) -o digger$(ESUFFIX) $(OBJS) $(LIBS)
+	$(CC) $(CFLAGS) $(LDFLAGS) -o digger$(ESUFFIX) $(OBJS) $(LIBS)
 
 $(OBJS): %.o: %.c
 	$(CC) -c $(RCFLAGS) $(CFLAGS) $< -o $@