build: convert zebra/ to non-recursive build

Signed-off-by: David Lamparter <equinox@opensourcerouting.org>

Makefile.am

@@ -3,30 +3,36 @@
 AUTOMAKE_OPTIONS = subdir-objects 1.12
 include common.am
 
-AM_CPPFLAGS = -I.. -I$(top_srcdir) -I$(top_srcdir)/lib -I$(top_builddir)/lib
+AM_CPPFLAGS = -I$(top_srcdir) -I$(top_srcdir)/lib -I$(top_builddir) -I$(top_builddir)/lib
 AM_CFLAGS = $(WERROR)
 DEFS = @DEFS@ -DSYSCONFDIR=\"$(sysconfdir)/\"
+LIBCAP = @LIBCAP@
 
 EXTRA_DIST =
 BUILT_SOURCES =
 
+examplesdir = $(exampledir)
+
 bin_PROGRAMS =
 sbin_PROGRAMS =
 noinst_PROGRAMS =
 noinst_HEADERS =
 noinst_LIBRARIES =
 lib_LTLIBRARIES =
+module_LTLIBRARIES =
 pkginclude_HEADERS =
+dist_examples_DATA =
 
 include lib/subdir.am
+include zebra/subdir.am
 
-SUBDIRS = . qpb fpm @ZEBRA@ @LIBRFP@ @RFPTEST@ \
+SUBDIRS = . qpb fpm @LIBRFP@ @RFPTEST@ \
 	 @BGPD@ @RIPD@ @RIPNGD@ @OSPFD@ @OSPF6D@ @LDPD@ \
          @ISISD@ @PIMD@ @NHRPD@ @EIGRPD@ @BABELD@ \
 	 @WATCHFRR@ @VTYSH@ @OSPFCLIENT@ @DOC@ m4 @pkgsrcdir@ \
          redhat @SOLARIS@ tests tools snapcraft
 
-DIST_SUBDIRS = . qpb fpm zebra bgpd ripd ripngd ospfd ospf6d ldpd \
+DIST_SUBDIRS = . qpb fpm bgpd ripd ripngd ospfd ospf6d ldpd \
 	  isisd watchfrr vtysh ospfclient doc m4 pkgsrc redhat tests \
 	  solaris pimd nhrpd eigrpd bgpd/rfp-example/librfp \
 	  bgpd/rfp-example/rfptest tools snapcraft babeld python \

configure.ac

@@ -1375,12 +1375,7 @@ fi
 dnl --------------------
 dnl Daemon disable check
 dnl --------------------
-if test "${enable_zebra}" = "no";then
-  ZEBRA=""
-else
-  ZEBRA="zebra"
-fi
-AM_CONDITIONAL(ZEBRA, test "x$ZEBRA" = "xzebra")
+AM_CONDITIONAL(ZEBRA, test "${enable_zebra}" != "no")
 
 if test "${enable_bgpd}" = "no";then
   BGPD=""
@@ -1506,7 +1501,6 @@ fi
 AM_CONDITIONAL([ENABLE_BGP_VNC], [test x${enable_bgp_vnc} != xno])
 
 AC_SUBST(DOC)
-AC_SUBST(ZEBRA)
 AC_SUBST(RFPTEST)
 AC_SUBST(LIBRFP)
 AC_SUBST(RFPINC)
@@ -1969,7 +1963,7 @@ AC_CACHE_VAL(ac_cv_htonl_works,
 )
 AC_MSG_RESULT($ac_cv_htonl_works)
 
-AC_CONFIG_FILES([Makefile qpb/Makefile zebra/Makefile ripd/Makefile
+AC_CONFIG_FILES([Makefile qpb/Makefile ripd/Makefile
 	  ripngd/Makefile bgpd/Makefile ospfd/Makefile watchfrr/Makefile
 	  ospf6d/Makefile ldpd/Makefile isisd/Makefile vtysh/Makefile
 	  doc/Makefile ospfclient/Makefile tests/Makefile m4/Makefile

zebra/.gitignore

@@ -1,4 +1,4 @@
-Makefile
+!Makefile
 Makefile.in
 *.o
 zebra

zebra/Makefile

@@ -0,0 +1,10 @@
+all: ALWAYS
+	@$(MAKE) -s -C .. zebra/zebra
+%: ALWAYS
+	@$(MAKE) -s -C .. zebra/$@
+
+Makefile:
+	#nothing
+ALWAYS:
+.PHONY: ALWAYS makefiles
+.SUFFIXES:

zebra/subdir.am

@@ -0,0 +1,152 @@
+#
+# zebra
+#
+
+if ZEBRA
+sbin_PROGRAMS += zebra/zebra
+dist_examples_DATA += zebra/zebra.conf.sample
+
+if SNMP
+module_LTLIBRARIES += zebra/zebra_snmp.la
+endif
+if FPM
+module_LTLIBRARIES += zebra/zebra_fpm.la
+endif
+
+## endif ZEBRA
+endif
+
+ipforward = @IPFORWARD@
+if_method = @IF_METHOD@
+rt_method = @RT_METHOD@
+rtread_method = @RTREAD_METHOD@
+kernel_method = @KERNEL_METHOD@
+ioctl_method = @IOCTL_METHOD@
+mpls_method = @MPLS_METHOD@
+
+otherobj = \
+	zebra/$(ioctl_method) \
+	zebra/$(ipforward) \
+	zebra/$(if_method) \
+	zebra/$(rt_method) \
+	zebra/$(rtread_method) \
+	zebra/$(kernel_method) \
+	zebra/$(mpls_method) \
+	# end
+
+zebra_zebra_LDADD = $(otherobj) lib/libfrr.la $(LIBCAP)
+zebra_zebra_DEPENDENCIES = $(otherobj) lib/libfrr.la
+
+zebra_zebra_SOURCES = \
+	zebra/connected.c \
+	zebra/debug.c \
+	zebra/interface.c \
+	zebra/irdp_interface.c \
+	zebra/irdp_main.c \
+	zebra/irdp_packet.c \
+	zebra/label_manager.c \
+	zebra/main.c \
+	zebra/redistribute.c \
+	zebra/router-id.c \
+	zebra/rtadv.c \
+	zebra/zebra_l2.c \
+	zebra/zebra_memory.c \
+	zebra/zebra_mpls.c \
+	zebra/zebra_mpls_vty.c \
+	zebra/zebra_mroute.c \
+	zebra/zebra_ns.c \
+	zebra/zebra_ptm.c \
+	zebra/zebra_ptm_redistribute.c \
+	zebra/zebra_rib.c \
+	zebra/zebra_rnh.c \
+	zebra/zebra_routemap.c \
+	zebra/zebra_static.c \
+	zebra/zebra_vrf.c \
+	zebra/zebra_vty.c \
+	zebra/zebra_vxlan.c \
+	zebra/zserv.c \
+	# end
+
+zebra/zebra_vty.$(OBJEXT): zebra/zebra_vty_clippy.c
+
+noinst_HEADERS += \
+	zebra/connected.h \
+	zebra/debug.h \
+	zebra/if_netlink.h \
+	zebra/interface.h \
+	zebra/ioctl.h \
+	zebra/ioctl_solaris.h \
+	zebra/ipforward.h \
+	zebra/irdp.h \
+	zebra/kernel_netlink.h \
+	zebra/kernel_socket.h \
+	zebra/label_manager.h \
+	zebra/redistribute.h \
+	zebra/rib.h \
+	zebra/router-id.h \
+	zebra/rt.h \
+	zebra/rt_netlink.h \
+	zebra/rtadv.h \
+	zebra/zebra_fpm_private.h \
+	zebra/zebra_l2.h \
+	zebra/zebra_memory.h \
+	zebra/zebra_mpls.h \
+	zebra/zebra_mroute.h \
+	zebra/zebra_ns.h \
+	zebra/zebra_ptm.h \
+	zebra/zebra_ptm_redistribute.h \
+	zebra/zebra_rnh.h \
+	zebra/zebra_routemap.h \
+	zebra/zebra_static.h \
+	zebra/zebra_vrf.h \
+	zebra/zebra_vxlan.h \
+	zebra/zebra_vxlan_private.h \
+	zebra/zserv.h \
+	# end
+
+zebra_zebra_snmp_la_SOURCES = zebra/zebra_snmp.c
+zebra_zebra_snmp_la_CFLAGS = $(WERROR) $(SNMP_CFLAGS)
+zebra_zebra_snmp_la_LDFLAGS = -avoid-version -module -shared -export-dynamic
+zebra_zebra_snmp_la_LIBADD = lib/libfrrsnmp.la
+
+zebra_zebra_fpm_la_LDFLAGS = -avoid-version -module -shared -export-dynamic
+zebra_zebra_fpm_la_LIBADD = $(Q_FPM_PB_CLIENT_LDOPTS)
+zebra_zebra_fpm_la_SOURCES = zebra/zebra_fpm.c
+if HAVE_NETLINK
+zebra_zebra_fpm_la_SOURCES += zebra/zebra_fpm_netlink.c
+endif
+if HAVE_PROTOBUF
+zebra_zebra_fpm_la_SOURCES += zebra/zebra_fpm_protobuf.c
+if DEV_BUILD
+zebra_zebra_fpm_la_SOURCES += zebra/zebra_fpm_dt.c
+endif
+endif
+
+EXTRA_DIST += \
+	zebra/GNOME-SMI \
+	zebra/GNOME-PRODUCT-ZEBRA-MIB \
+	zebra/if_ioctl.c \
+	zebra/if_ioctl_solaris.c \
+	zebra/if_netlink.c \
+	zebra/if_sysctl.c \
+	zebra/ioctl.c \
+	zebra/ioctl_solaris.c \
+	zebra/ipforward_proc.c \
+	zebra/ipforward_solaris.c \
+	zebra/ipforward_sysctl.c \
+	zebra/kernel_netlink.c \
+	zebra/kernel_socket.c \
+	zebra/rt_netlink.c \
+	zebra/rt_socket.c \
+	zebra/rtread_getmsg.c \
+	zebra/rtread_netlink.c \
+	zebra/rtread_sysctl.c \
+	zebra/zebra_mpls_netlink.c \
+	zebra/zebra_mpls_null.c \
+	zebra/zebra_mpls_openbsd.c \
+	# end
+
+# -- unmaintained --
+# noinst_PROGRAMS += zebra/client
+# zebra_client_SOURCES = zebra/client_main.c
+# zebra_client_LDADD = lib/libfrr.la