Build atm and netem as shared libraries

(Logical change 1.47)

tc/Makefile

@@ -17,16 +17,6 @@ TCMODULES += q_dsmark.o
 TCMODULES += q_gred.o
 TCMODULES += f_tcindex.o
 TCMODULES += q_ingress.o
-
-ifeq ($(TC_CONFIG_ATM),y)
-  TCMODULES += q_atm.o
-  LDLIBS += -latm
-endif
-
-ifeq ($(TC_CONFIG_NETEM),y)
-	TCMODULES += q_netem.o
-endif
-
 TCMODULES += q_csz.o
 TCMODULES += q_htb.o
 TCMODULES += q_hpfq.o
@@ -39,10 +29,22 @@ TCLIB += tc_red.o
 TCLIB += tc_cbq.o
 TCLIB += tc_estimator.o
 
+TCSO :=
+ifeq ($(TC_CONFIG_ATM),y)
+  TCSO += q_atm.so
+endif
+
+ifeq ($(TC_CONFIG_NETEM),y)
+  TCSO += q_netem.so
+endif
+
 LDLIBS += -L. -ltc -lm -ldl
 LDFLAGS += -Wl,-export-dynamic
 
-all: libtc.a tc
+%.so: %.c
+	$(CC) $(CFLAGS) -shared -fpic $< -o $@
+
+all: libtc.a tc $(TCSO)
 
 tc: $(TCOBJ) $(LIBNETLINK) $(LIBUTIL) $(TCLIB)
 
@@ -50,9 +52,14 @@ libtc.a: $(TCLIB)
 	$(AR) rcs $@ $(TCLIB)
 
 install: all
+	mkdir -p $(DESTDIR)/usr/lib/tc
 	install -m 0755 -s tc $(DESTDIR)$(SBINDIR)
-
+	for i in $(TCSO); do install -m 755 -s $$i $(DESTDIR)/usr/lib/tc; done
 
 clean:
 	rm -f $(TCOBJ) $(TCLIB) libtc.a tc
 
+q_atm.so: q_atm.c
+	$(CC) $(CFLAGS) -shared -fpic -o q_atm.so q_atm.c -latm
+
+