--- ./arch/um/Makefile.pcap	2003-12-30 20:17:07.000000000 +0100
+++ ./arch/um/Makefile	2003-12-30 20:20:34.000000000 +0100
@@ -111,9 +111,12 @@
 #$(LD_SCRIPT-y) : $(LD_SCRIPT-y:.s=.S) scripts FORCE
 #	$(call if_changed_dep,as_s_S)
 
+LD_PCAP-$(CONFIG_UML_NET_PCAP) := -lpcap
+
 linux: vmlinux $(LD_SCRIPT-y)
 	$(CC) -Wl,-T,$(LD_SCRIPT-y) $(LINK-y) $(LINK_WRAPS) \
-		-o linux $(ARCH_DIR)/main.o vmlinux -L/usr/lib -lutil
+		-o linux $(ARCH_DIR)/main.o vmlinux -L/usr/lib -lutil \
+		$(LD_PCAP-y)
 
 USER_CFLAGS := $(patsubst -I%,,$(CFLAGS))
 USER_CFLAGS := $(patsubst -Derrno=kernel_errno,,$(USER_CFLAGS))