diff --git a/Makefile b/Makefile
index 4e23369e..fd758b92 100644
--- a/Makefile
+++ b/Makefile
@@ -1,11 +1,10 @@
-# Path to parent kernel include files directory
 DESTDIR=
 SBINDIR=/usr/sbin
 CONFDIR=/etc/iproute2
 DOCDIR=/usr/doc/iproute2
 
-KERNEL_INCLUDE=/usr/include
-LIBC_INCLUDE=/usr/include
+# Path to parent kernel include files directory
+KERNEL_INCLUDE:=/usr/include
 
 DEFINES= -DRESOLVE_HOSTNAMES
 
@@ -13,10 +12,6 @@ DEFINES= -DRESOLVE_HOSTNAMES
 LDLIBS=-lresolv
 ADDLIB=
 
-#options if you compile with libc5, and without a bind>=4.9.4 libresolv
-#LDLIBS=
-#ADDLIB=inet_ntop.o inet_pton.o
-
 #options for decnet
 ADDLIB+=dnet_ntop.o dnet_pton.o
 
@@ -25,7 +20,7 @@ ADDLIB+=ipx_ntop.o ipx_pton.o
 
 CC = gcc
 CCOPTS = -D_GNU_SOURCE -O2 -Wstrict-prototypes -Wall -g
-CFLAGS = $(CCOPTS) -I$(KERNEL_INCLUDE) -I../include -I/usr/include/db41 $(DEFINES)
+CFLAGS = $(CCOPTS) -I$(KERNEL_INCLUDE) -I../include $(DEFINES)
 
 LDLIBS += -L../lib -lnetlink -lutil
 
@@ -33,25 +28,32 @@ SUBDIRS=lib ip tc misc
 
 LIBNETLINK=../lib/libnetlink.a ../lib/libutil.a
 
-all:
-	for i in $(SUBDIRS); \
-	do $(MAKE) -C $$i; done
+all: Config
+	@for i in $(SUBDIRS); \
+	do $(MAKE) $(MFLAGS) -C $$i; done
+
+Config:
+	./configure $(KERNEL_INCLUDE)
 
 install: all
 	install -m 0755 -d $(DESTDIR)$(SBINDIR)
-	install -m 0755 -d $(DESTDIR)$(CONFDIR)
+	install -m 0755 -d $(CONFDIR)
 	install -m 0755 -d $(DESTDIR)$(DOCDIR)/examples
 	install -m 0755 -d $(DESTDIR)$(DOCDIR)/examples/diffserv
 	install -m 0644 README.iproute2+tc $(shell find examples -type f -maxdepth 1) $(DESTDIR)$(DOCDIR)/examples
 	install -m 0644 $(shell echo examples/diffserv/*) $(DESTDIR)$(DOCDIR)/examples/diffserv
 	@for i in $(SUBDIRS) doc; do $(MAKE) -C $$i install; done
 	@cd etc/iproute2; for i in *; do \
-		if [ ! -e $(DESTDIR)$(CONFDIR)/$$i ]; then \
-			echo install -m 0644 $$i $(DESTDIR)$(CONFDIR); \
-			install -m 0644 $$i $(DESTDIR)$(CONFDIR); fi; done
+		if [ ! -e $(CONFDIR)/$$i ]; then \
+			echo install -m 0644 $$i $(CONFDIR); \
+			install -m 0644 $$i $(CONFDIR); fi; done
 
 clean:
-	for i in $(SUBDIRS) doc; \
-	do $(MAKE) -C $$i clean; done
+	@for i in $(SUBDIRS) doc; \
+	do $(MAKE) $(MFLAGS) -C $$i clean; done
+
+clobber: clean
+	rm -f Config
+
 
 .EXPORT_ALL_VARIABLES:
diff --git a/misc/Makefile b/misc/Makefile
index 4e49497e..38fc792f 100644
--- a/misc/Makefile
+++ b/misc/Makefile
@@ -8,6 +8,17 @@ RTSTATOBJ=rtstat.o
 ALLOBJ=$(SSOBJ) $(NSTATOBJ) $(IFSTATOBJ) $(RTACCTOBJ) $(ARPDOBJ) $(RTSTATOBJ)
 TARGETS=ss nstat ifstat rtacct arpd rtstat
 
+include ../Config
+
+ifeq ($(SS_CONFIG_VEGAS),y)
+	DEFINES += -DHAVE_TCP_VEGAS
+endif
+ifeq ($(SS_CONFIG_DRS),y)
+	DEFINES += -DHAVE_TCP_DRS
+endif
+
+
+
 all: $(TARGETS)
 
 ss: $(SSOBJ) $(LIBUTIL)
@@ -22,7 +33,7 @@ rtacct: $(RTACCTOBJ)
 	$(CC) $(CFLAGS) $(LDFLAGS) -o rtacct $(RTACCTOBJ) $(LIBNETLINK) -lm
 
 arpd: $(ARPDOBJ)
-	$(CC) $(CFLAGS) $(LDFLAGS) -o arpd $(ARPDOBJ) $(LIBNETLINK) -ldb-4.1
+	$(CC) $(CFLAGS) -I$(DBM_INCLUDE) $(LDFLAGS) -o arpd $(ARPDOBJ) $(LIBNETLINK) -ldb
 
 rtstat: $(RTSTATOBJ)
 	$(CC) $(CFLAGS) $(LDFLAGS) -o rtstat $(RTSTATOBJ)
diff --git a/misc/ss.c b/misc/ss.c
index 31ada1f4..c03a5104 100644
--- a/misc/ss.c
+++ b/misc/ss.c
@@ -1339,12 +1339,14 @@ void tcp_show_info(struct nlmsghdr *nlh, struct tcpdiagmsg *r)
 		if (info->tcpi_snd_ssthresh < 0xFFFF)
 			printf(" ssthresh:%d", info->tcpi_snd_ssthresh);
 		
-#if LINUX_VERSION_CODE >= 0x20607
+#ifdef HAVE_TCP_DRS
 		if (info->tcpi_rcv_rtt)
 			printf(" rcv_rtt:%g", (double) info->tcpi_rcv_rtt/1000);
 		if (info->tcpi_rcv_space)
 			printf(" rcv_space:%d", info->tcpi_rcv_space);
+#endif
 
+#ifdef HAVE_TCP_VEGAS
 		if (tb[TCPDIAG_VEGASINFO]) {
 			const struct tcpvegas_info *vinfo
 				= RTA_DATA(tb[TCPDIAG_VEGASINFO]);
diff --git a/tc/Makefile b/tc/Makefile
index 8454843c..a73fb302 100644
--- a/tc/Makefile
+++ b/tc/Makefile
@@ -1,5 +1,7 @@
 TCOBJ=tc.o tc_qdisc.o tc_class.o tc_filter.o tc_util.o m_police.o m_estimator.o
 
+include ../Config
+
 TCMODULES :=
 TCMODULES += q_fifo.o
 TCMODULES += q_sfq.o
@@ -15,11 +17,13 @@ TCMODULES += q_dsmark.o
 TCMODULES += q_gred.o
 TCMODULES += f_tcindex.o
 TCMODULES += q_ingress.o
-TCMODULES += q_atm.o
-LDLIBS += -latm
 
-TCMODULES += q_delay.o
+ifeq ($(TC_CONFIG_ATM),y)
+  TCMODULES += q_atm.o
+  LDLIBS += -latm
+endif
 
+TCMODULES += q_netsim.o
 TCMODULES += q_csz.o
 TCMODULES += q_htb.o
 TCMODULES += q_hpfq.o