[cfgmgr]: Introduce common libs. (sonic-net#1842)

What I did

Refactored cfgmgr Makefile
Why I did it

To avoid code duplication of common libs
How I verified it

Build swss

Signed-off-by: Nazarii Hnydyn <nazariig@nvidia.com>

cfgmgr/Makefile.am

@@ -3,6 +3,7 @@ CFLAGS_SAI = -I /usr/include/sai
 LIBNL_CFLAGS = -I/usr/include/libnl3
 LIBNL_LIBS = -lnl-genl-3 -lnl-route-3 -lnl-3
 SAIMETA_LIBS = -lsaimeta -lsaimetadata
+COMMON_LIBS = -lswsscommon
 
 bin_PROGRAMS = vlanmgrd teammgrd portmgrd intfmgrd buffermgrd vrfmgrd nbrmgrd vxlanmgrd sflowmgrd natmgrd coppmgrd tunnelmgrd macsecmgrd
 
@@ -25,64 +26,64 @@ endif
 vlanmgrd_SOURCES = vlanmgrd.cpp vlanmgr.cpp $(top_srcdir)/orchagent/orch.cpp $(top_srcdir)/orchagent/request_parser.cpp shellcmd.h
 vlanmgrd_CFLAGS = $(DBGFLAGS) $(AM_CFLAGS) $(CFLAGS_COMMON) $(CFLAGS_SAI)
 vlanmgrd_CPPFLAGS = $(DBGFLAGS) $(AM_CFLAGS) $(CFLAGS_COMMON) $(CFLAGS_SAI)
-vlanmgrd_LDADD = -lswsscommon $(SAIMETA_LIBS)
+vlanmgrd_LDADD = $(COMMON_LIBS) $(SAIMETA_LIBS)
 
 teammgrd_SOURCES = teammgrd.cpp teammgr.cpp $(top_srcdir)/orchagent/orch.cpp $(top_srcdir)/orchagent/request_parser.cpp shellcmd.h
 teammgrd_CFLAGS = $(DBGFLAGS) $(AM_CFLAGS) $(CFLAGS_COMMON) $(CFLAGS_SAI)
 teammgrd_CPPFLAGS = $(DBGFLAGS) $(AM_CFLAGS) $(CFLAGS_COMMON) $(CFLAGS_SAI)
-teammgrd_LDADD = -lswsscommon $(SAIMETA_LIBS)
+teammgrd_LDADD = $(COMMON_LIBS) $(SAIMETA_LIBS)
 
 portmgrd_SOURCES = portmgrd.cpp portmgr.cpp $(top_srcdir)/orchagent/orch.cpp $(top_srcdir)/orchagent/request_parser.cpp shellcmd.h
 portmgrd_CFLAGS = $(DBGFLAGS) $(AM_CFLAGS) $(CFLAGS_COMMON) $(CFLAGS_SAI)
 portmgrd_CPPFLAGS = $(DBGFLAGS) $(AM_CFLAGS) $(CFLAGS_COMMON) $(CFLAGS_SAI)
-portmgrd_LDADD = -lswsscommon $(SAIMETA_LIBS)
+portmgrd_LDADD = $(COMMON_LIBS) $(SAIMETA_LIBS)
 
 intfmgrd_SOURCES = intfmgrd.cpp intfmgr.cpp $(top_srcdir)/orchagent/orch.cpp $(top_srcdir)/orchagent/request_parser.cpp shellcmd.h
 intfmgrd_CFLAGS = $(DBGFLAGS) $(AM_CFLAGS) $(CFLAGS_COMMON) $(CFLAGS_SAI)
 intfmgrd_CPPFLAGS = $(DBGFLAGS) $(AM_CFLAGS) $(CFLAGS_COMMON) $(CFLAGS_SAI)
-intfmgrd_LDADD = -lswsscommon $(SAIMETA_LIBS)
+intfmgrd_LDADD = $(COMMON_LIBS) $(SAIMETA_LIBS)
 
 buffermgrd_SOURCES = buffermgrd.cpp buffermgr.cpp buffermgrdyn.cpp $(top_srcdir)/orchagent/orch.cpp $(top_srcdir)/orchagent/request_parser.cpp shellcmd.h
 buffermgrd_CFLAGS = $(DBGFLAGS) $(AM_CFLAGS) $(CFLAGS_COMMON) $(CFLAGS_SAI)
 buffermgrd_CPPFLAGS = $(DBGFLAGS) $(AM_CFLAGS) $(CFLAGS_COMMON) $(CFLAGS_SAI)
-buffermgrd_LDADD = -lswsscommon $(SAIMETA_LIBS)
+buffermgrd_LDADD = $(COMMON_LIBS) $(SAIMETA_LIBS)
 
 vrfmgrd_SOURCES = vrfmgrd.cpp vrfmgr.cpp $(top_srcdir)/orchagent/orch.cpp $(top_srcdir)/orchagent/request_parser.cpp shellcmd.h
 vrfmgrd_CFLAGS = $(DBGFLAGS) $(AM_CFLAGS) $(CFLAGS_COMMON) $(CFLAGS_SAI)
 vrfmgrd_CPPFLAGS = $(DBGFLAGS) $(AM_CFLAGS) $(CFLAGS_COMMON) $(CFLAGS_SAI)
-vrfmgrd_LDADD = -lswsscommon $(SAIMETA_LIBS)
+vrfmgrd_LDADD = $(COMMON_LIBS) $(SAIMETA_LIBS)
 
 nbrmgrd_SOURCES = nbrmgrd.cpp nbrmgr.cpp $(top_srcdir)/orchagent/orch.cpp $(top_srcdir)/orchagent/request_parser.cpp shellcmd.h
 nbrmgrd_CFLAGS = $(DBGFLAGS) $(AM_CFLAGS) $(CFLAGS_COMMON) $(CFLAGS_SAI) $(LIBNL_CFLAGS)
 nbrmgrd_CPPFLAGS = $(DBGFLAGS) $(AM_CFLAGS) $(CFLAGS_COMMON) $(CFLAGS_SAI) $(LIBNL_CPPFLAGS)
-nbrmgrd_LDADD = -lswsscommon $(SAIMETA_LIBS) $(LIBNL_LIBS)
+nbrmgrd_LDADD = $(COMMON_LIBS) $(SAIMETA_LIBS) $(LIBNL_LIBS)
 
 vxlanmgrd_SOURCES = vxlanmgrd.cpp vxlanmgr.cpp $(top_srcdir)/orchagent/orch.cpp $(top_srcdir)/orchagent/request_parser.cpp shellcmd.h
 vxlanmgrd_CFLAGS = $(DBGFLAGS) $(AM_CFLAGS) $(CFLAGS_COMMON) $(CFLAGS_SAI)
 vxlanmgrd_CPPFLAGS = $(DBGFLAGS) $(AM_CFLAGS) $(CFLAGS_COMMON) $(CFLAGS_SAI)
-vxlanmgrd_LDADD = -lswsscommon $(SAIMETA_LIBS)
+vxlanmgrd_LDADD = $(COMMON_LIBS) $(SAIMETA_LIBS)
 
 sflowmgrd_SOURCES = sflowmgrd.cpp sflowmgr.cpp $(top_srcdir)/orchagent/orch.cpp $(top_srcdir)/orchagent/request_parser.cpp shellcmd.h
 sflowmgrd_CFLAGS = $(DBGFLAGS) $(AM_CFLAGS) $(CFLAGS_COMMON) $(CFLAGS_SAI)
 sflowmgrd_CPPFLAGS = $(DBGFLAGS) $(AM_CFLAGS) $(CFLAGS_COMMON) $(CFLAGS_SAI)
-sflowmgrd_LDADD = -lswsscommon $(SAIMETA_LIBS)
+sflowmgrd_LDADD = $(COMMON_LIBS) $(SAIMETA_LIBS)
 
 natmgrd_SOURCES = natmgrd.cpp natmgr.cpp $(top_srcdir)/orchagent/orch.cpp $(top_srcdir)/orchagent/request_parser.cpp shellcmd.h
 natmgrd_CFLAGS = $(DBGFLAGS) $(AM_CFLAGS) $(CFLAGS_COMMON) $(CFLAGS_SAI)
 natmgrd_CPPFLAGS = $(DBGFLAGS) $(AM_CFLAGS) $(CFLAGS_COMMON) $(CFLAGS_SAI)
-natmgrd_LDADD = -lswsscommon $(SAIMETA_LIBS)
+natmgrd_LDADD = $(COMMON_LIBS) $(SAIMETA_LIBS)
 
 coppmgrd_SOURCES = coppmgrd.cpp coppmgr.cpp $(top_srcdir)/orchagent/orch.cpp $(top_srcdir)/orchagent/request_parser.cpp shellcmd.h
 coppmgrd_CFLAGS = $(DBGFLAGS) $(AM_CFLAGS) $(CFLAGS_COMMON) $(CFLAGS_SAI)
 coppmgrd_CPPFLAGS = $(DBGFLAGS) $(AM_CFLAGS) $(CFLAGS_COMMON) $(CFLAGS_SAI)
-coppmgrd_LDADD = -lswsscommon $(SAIMETA_LIBS)
+coppmgrd_LDADD = $(COMMON_LIBS) $(SAIMETA_LIBS)
 
 tunnelmgrd_SOURCES = tunnelmgrd.cpp tunnelmgr.cpp $(top_srcdir)/orchagent/orch.cpp $(top_srcdir)/orchagent/request_parser.cpp shellcmd.h
 tunnelmgrd_CFLAGS = $(DBGFLAGS) $(AM_CFLAGS) $(CFLAGS_COMMON) $(CFLAGS_SAI)
 tunnelmgrd_CPPFLAGS = $(DBGFLAGS) $(AM_CFLAGS) $(CFLAGS_COMMON) $(CFLAGS_SAI)
-tunnelmgrd_LDADD = -lswsscommon $(SAIMETA_LIBS)
+tunnelmgrd_LDADD = $(COMMON_LIBS) $(SAIMETA_LIBS)
 
 macsecmgrd_SOURCES = macsecmgrd.cpp macsecmgr.cpp $(top_srcdir)/orchagent/orch.cpp $(top_srcdir)/orchagent/request_parser.cpp shellcmd.h
 macsecmgrd_CFLAGS = $(DBGFLAGS) $(AM_CFLAGS) $(CFLAGS_COMMON) $(CFLAGS_SAI)
 macsecmgrd_CPPFLAGS = $(DBGFLAGS) $(AM_CFLAGS) $(CFLAGS_COMMON) $(CFLAGS_SAI)
-macsecmgrd_LDADD = -lswsscommon $(SAIMETA_LIBS)
+macsecmgrd_LDADD = $(COMMON_LIBS) $(SAIMETA_LIBS)