diff --git a/babeld/Makefile.am b/babeld/Makefile.am
index af1201a..13922d0 100644
--- a/babeld/Makefile.am
+++ b/babeld/Makefile.am
@@ -1,6 +1,6 @@
 ## Process this file with automake to produce Makefile.in.
 
-INCLUDES = @INCLUDES@ -I.. -I$(top_srcdir) -I$(top_srcdir)/lib -I$(top_builddir)/lib
+AM_CPPFLAGS = -I.. -I$(top_srcdir) -I$(top_srcdir)/lib -I$(top_builddir)/lib
 DEFS = @DEFS@ -DSYSCONFDIR=\"$(sysconfdir)/\"
 INSTALL_SDATA=@INSTALL@ -m 600
 
diff --git a/bgpd/Makefile.am b/bgpd/Makefile.am
index 9928734..42f1f48 100644
--- a/bgpd/Makefile.am
+++ b/bgpd/Makefile.am
@@ -1,6 +1,6 @@
 ## Process this file with automake to produce Makefile.in.
 
-INCLUDES = @INCLUDES@ -I.. -I$(top_srcdir) -I$(top_srcdir)/lib -I$(top_builddir)/lib
+AM_CPPFLAGS = -I.. -I$(top_srcdir) -I$(top_srcdir)/lib -I$(top_builddir)/lib
 DEFS = @DEFS@ -DSYSCONFDIR=\"$(sysconfdir)/\"
 INSTALL_SDATA=@INSTALL@ -m 600
 
diff --git a/configure.ac b/configure.ac
index 0fd4db1..715f35d 100755
--- a/configure.ac
+++ b/configure.ac
@@ -1203,7 +1203,6 @@
 AC_SUBST(PIMD)
 AC_SUBST(SOLARIS)
 AC_SUBST(VTYSH)
-AC_SUBST(INCLUDES)
 AC_SUBST(CURSES)
 AC_SUBST(OSPFCLIENT)
 AC_SUBST(OSPFAPI)
@@ -1598,7 +1597,6 @@
 compiler                : ${CC}
 compiler flags          : ${CFLAGS}
 make                    : ${MAKE-make}
-includes                : ${INCLUDES}
 linker flags            : ${LDFLAGS} ${LIBS} ${LIBCAP} ${LIBREADLINE} ${LIBM}
 state file directory    : ${quagga_statedir}
 config file directory   : `eval echo \`echo ${sysconfdir}\``
diff --git a/isisd/Makefile.am b/isisd/Makefile.am
index 4e9b244..dba681b 100644
--- a/isisd/Makefile.am
+++ b/isisd/Makefile.am
@@ -1,6 +1,6 @@
 ## Process this file with automake to produce Makefile.in.
 
-INCLUDES = @INCLUDES@ -I.. -I$(top_srcdir) -I$(top_srcdir)/lib -I$(top_builddir)/lib \
+AM_CPPFLAGS = -I.. -I$(top_srcdir) -I$(top_srcdir)/lib -I$(top_builddir)/lib \
 	   @ISIS_TOPOLOGY_INCLUDES@
 DEFS = @DEFS@ -DSYSCONFDIR=\"$(sysconfdir)/\"
 INSTALL_SDATA=@INSTALL@ -m 600
diff --git a/isisd/topology/Makefile.am b/isisd/topology/Makefile.am
index ccd2e71..fe73ae5 100644
--- a/isisd/topology/Makefile.am
+++ b/isisd/topology/Makefile.am
@@ -1,6 +1,6 @@
 ## Process this file with automake to produce Makefile.in.
 
-INCLUDES = @INCLUDES@ -I.. -I$(top_srcdir) -I$(top_srcdir)/lib -I$(top_builddir)/lib
+AM_CPPFLAGS = -I.. -I$(top_srcdir) -I$(top_srcdir)/lib -I$(top_builddir)/lib
 DEFS = @DEFS@ -DSYSCONFDIR=\"$(sysconfdir)/\"
 
 AM_CFLAGS = $(PICFLAGS)
@@ -18,7 +18,4 @@
 noinst_HEADERS = \
 	spgrid.h
 
-depend:
-	@$(CPP) -MM $(INCLUDES) $(LDFLAGS) *.c
-
 ## File dependency.
diff --git a/lib/Makefile.am b/lib/Makefile.am
index bd21092..5a80618 100644
--- a/lib/Makefile.am
+++ b/lib/Makefile.am
@@ -1,6 +1,6 @@
 ## Process this file with automake to produce Makefile.in.
 
-INCLUDES = @INCLUDES@ -I.. -I$(top_srcdir) -I$(top_srcdir)/lib -I$(top_builddir)/lib
+AM_CPPFLAGS = -I.. -I$(top_srcdir) -I$(top_srcdir)/lib -I$(top_builddir)/lib
 DEFS = @DEFS@ -DSYSCONFDIR=\"$(sysconfdir)/\"
 
 lib_LTLIBRARIES = libzebra.la
diff --git a/ospf6d/Makefile.am b/ospf6d/Makefile.am
index 726ce54..d30ce58 100644
--- a/ospf6d/Makefile.am
+++ b/ospf6d/Makefile.am
@@ -1,6 +1,6 @@
 ## Process this file with automake to produce Makefile.in.
 
-INCLUDES = @INCLUDES@ -I.. -I$(top_srcdir) -I$(top_srcdir)/lib -I$(top_builddir)/lib
+AM_CPPFLAGS = -I.. -I$(top_srcdir) -I$(top_srcdir)/lib -I$(top_builddir)/lib
 DEFS = @DEFS@ -DSYSCONFDIR=\"$(sysconfdir)/\"
 INSTALL_SDATA=@INSTALL@ -m 600
 
diff --git a/ospfclient/Makefile.am b/ospfclient/Makefile.am
index 0f37aa9..09d2ba8 100644
--- a/ospfclient/Makefile.am
+++ b/ospfclient/Makefile.am
@@ -1,6 +1,6 @@
 ## Automake.am for OSPF API client
 
-INCLUDES = @INCLUDES@ -I.. -I$(top_srcdir) -I$(top_srcdir)/lib -I$(top_builddir)/lib
+AM_CPPFLAGS = -I.. -I$(top_srcdir) -I$(top_srcdir)/lib -I$(top_builddir)/lib
 
 lib_LTLIBRARIES = libospfapiclient.la
 libospfapiclient_la_LDFLAGS = -version-info 0:0:0
diff --git a/ospfd/Makefile.am b/ospfd/Makefile.am
index 4e1a4fe..4160bfc 100644
--- a/ospfd/Makefile.am
+++ b/ospfd/Makefile.am
@@ -1,6 +1,6 @@
 ## Process this file with automake to produce Makefile.in.
 
-INCLUDES = @INCLUDES@ -I.. -I$(top_srcdir) -I$(top_srcdir)/lib -I$(top_builddir)/lib
+AM_CPPFLAGS = -I.. -I$(top_srcdir) -I$(top_srcdir)/lib -I$(top_builddir)/lib
 DEFS = @DEFS@ $(LOCAL_OPTS) -DSYSCONFDIR=\"$(sysconfdir)/\"
 INSTALL_SDATA=@INSTALL@ -m 600
 
diff --git a/pimd/Makefile.am b/pimd/Makefile.am
index 7173a23..f13debd 100644
--- a/pimd/Makefile.am
+++ b/pimd/Makefile.am
@@ -34,7 +34,7 @@
 PIM_DEFS += -DPIM_ENFORCE_LOOPFREE_MFC
 #PIM_DEFS += -DPIM_UNEXPECTED_KERNEL_UPCALL
 
-INCLUDES = @INCLUDES@ -I.. -I$(top_srcdir) -I$(top_srcdir)/lib
+AM_CPPFLAGS = -I.. -I$(top_srcdir) -I$(top_srcdir)/lib
 DEFS = @DEFS@ -DSYSCONFDIR=\"$(sysconfdir)/\" $(PIM_DEFS)
 INSTALL_SDATA=@INSTALL@ -m 600
 LIBS = @LIBS@
diff --git a/ripd/Makefile.am b/ripd/Makefile.am
index b0bc7a8..65a626d 100644
--- a/ripd/Makefile.am
+++ b/ripd/Makefile.am
@@ -1,6 +1,6 @@
 ## Process this file with automake to produce Makefile.in.
 
-INCLUDES = @INCLUDES@ -I.. -I$(top_srcdir) -I$(top_srcdir)/lib -I$(top_builddir)/lib
+AM_CPPFLAGS = -I.. -I$(top_srcdir) -I$(top_srcdir)/lib -I$(top_builddir)/lib
 DEFS = @DEFS@ -DSYSCONFDIR=\"$(sysconfdir)/\"
 INSTALL_SDATA=@INSTALL@ -m 600
 
diff --git a/ripngd/Makefile.am b/ripngd/Makefile.am
index de5beba..9bd14ba 100644
--- a/ripngd/Makefile.am
+++ b/ripngd/Makefile.am
@@ -1,6 +1,6 @@
 ## Process this file with automake to produce Makefile.in.
 
-INCLUDES = @INCLUDES@ -I.. -I$(top_srcdir) -I$(top_srcdir)/lib -I$(top_builddir)/lib
+AM_CPPFLAGS = -I.. -I$(top_srcdir) -I$(top_srcdir)/lib -I$(top_builddir)/lib
 DEFS = @DEFS@ -DSYSCONFDIR=\"$(sysconfdir)/\"
 INSTALL_SDATA=@INSTALL@ -m 600
 
diff --git a/tests/Makefile.am b/tests/Makefile.am
index 8a086d0..1fe28c7 100644
--- a/tests/Makefile.am
+++ b/tests/Makefile.am
@@ -13,7 +13,7 @@
 	testcommands.in \
 	testcommands.refout
 
-INCLUDES = @INCLUDES@ -I.. -I$(top_srcdir) -I$(top_srcdir)/lib -I$(top_builddir)/lib
+AM_CPPFLAGS = -I.. -I$(top_srcdir) -I$(top_srcdir)/lib -I$(top_builddir)/lib
 DEFS = @DEFS@ $(LOCAL_OPTS) -DSYSCONFDIR=\"$(sysconfdir)/\"
 
 AM_CFLAGS = $(PICFLAGS)
diff --git a/vtysh/Makefile.am b/vtysh/Makefile.am
index f9dea2d..a66615b 100644
--- a/vtysh/Makefile.am
+++ b/vtysh/Makefile.am
@@ -1,6 +1,6 @@
 ## Process this file with Automake to create Makefile.in
 
-INCLUDES = @INCLUDES@ -I$(top_srcdir) -I$(top_srcdir)/lib -I$(top_builddir)/lib
+AM_CPPFLAGS = -I$(top_srcdir) -I$(top_srcdir)/lib -I$(top_builddir)/lib
 DEFS = @DEFS@ -DSYSCONFDIR=\"$(sysconfdir)/\"
 
 LIBS = @LIBS@ @CURSES@ @LIBPAM@
diff --git a/watchquagga/Makefile.am b/watchquagga/Makefile.am
index badaa5b..9256006 100644
--- a/watchquagga/Makefile.am
+++ b/watchquagga/Makefile.am
@@ -1,6 +1,6 @@
 ## Process this file with Automake to create Makefile.in
 
-INCLUDES = @INCLUDES@ -I$(top_srcdir) -I$(top_srcdir)/lib -I$(top_builddir)/lib
+AM_CPPFLAGS = -I$(top_srcdir) -I$(top_srcdir)/lib -I$(top_builddir)/lib
 DEFS = @DEFS@ -DSTATEDIR=\"$(localstatedir)/\"
 
 AM_CFLAGS = $(PICFLAGS)
diff --git a/zebra/Makefile.am b/zebra/Makefile.am
index 045897a..4808791 100644
--- a/zebra/Makefile.am
+++ b/zebra/Makefile.am
@@ -1,6 +1,6 @@
 ## Process this file with automake to produce Makefile.in.
 
-INCLUDES = @INCLUDES@ -I.. -I$(top_srcdir) -I$(top_srcdir)/lib -I$(top_builddir)/lib
+AM_CPPFLAGS = -I.. -I$(top_srcdir) -I$(top_srcdir)/lib -I$(top_builddir)/lib
 DEFS = @DEFS@ -DSYSCONFDIR=\"$(sysconfdir)/\" -DMULTIPATH_NUM=@MULTIPATH_NUM@
 INSTALL_SDATA=@INSTALL@ -m 600