diff --git a/src/vnet/bfd/bfd_main.h b/src/vnet/bfd/bfd_main.h
index c587c86..9f072e1 100644
--- a/src/vnet/bfd/bfd_main.h
+++ b/src/vnet/bfd/bfd_main.h
@@ -345,7 +345,7 @@
   u8 data[400];
 } bfd_input_trace_t;
 
-enum
+typedef enum
 {
   BFD_EVENT_RESCHEDULE = 1,
   BFD_EVENT_NEW_SESSION,
diff --git a/src/vnet/bier/bier_fmask.h b/src/vnet/bier/bier_fmask.h
index 0666605..2317a50 100644
--- a/src/vnet/bier/bier_fmask.h
+++ b/src/vnet/bier/bier_fmask.h
@@ -171,7 +171,7 @@
 /*
  * provided for fast data-path access
  */
-bier_fmask_t *bier_fmask_pool;
+extern bier_fmask_t *bier_fmask_pool;
 
 static inline bier_fmask_t *
 bier_fmask_get (u32 index)
diff --git a/src/vnet/bonding/node.c b/src/vnet/bonding/node.c
index 8001342..636146f 100644
--- a/src/vnet/bonding/node.c
+++ b/src/vnet/bonding/node.c
@@ -21,7 +21,9 @@
 #include <vnet/snap/snap.h>
 #include <vnet/bonding/node.h>
 
+#ifndef CLIB_MARCH_VARIANT
 bond_main_t bond_main;
+#endif /* CLIB_MARCH_VARIANT */
 
 #define foreach_bond_input_error \
   _(NONE, "no error")            \
diff --git a/src/vnet/bonding/node.h b/src/vnet/bonding/node.h
index 1564007..9a194b8 100644
--- a/src/vnet/bonding/node.h
+++ b/src/vnet/bonding/node.h
@@ -70,7 +70,7 @@
 #undef _
 } bond_load_balance_t;
 
-enum
+typedef enum
 {
   BOND_SEND_GARP_NA = 1,
 } bond_send_garp_na_process_event_t;
diff --git a/src/vnet/devices/pipe/pipe_api.c b/src/vnet/devices/pipe/pipe_api.c
index cb67d1f..1dcb8bc 100644
--- a/src/vnet/devices/pipe/pipe_api.c
+++ b/src/vnet/devices/pipe/pipe_api.c
@@ -36,7 +36,7 @@
 #undef vl_printfun
 
 #include <vlibapi/api_helper_macros.h>
-vpe_api_main_t vpe_api_main;
+extern vpe_api_main_t vpe_api_main;
 
 #define foreach_vpe_api_msg                                     \
   _(PIPE_CREATE, pipe_create)                                   \
diff --git a/src/vnet/devices/virtio/vhost_user_input.c b/src/vnet/devices/virtio/vhost_user_input.c
index 3c3d48e..286fa7e 100644
--- a/src/vnet/devices/virtio/vhost_user_input.c
+++ b/src/vnet/devices/virtio/vhost_user_input.c
@@ -65,7 +65,7 @@
  */
 #define VHOST_USER_RX_COPY_THRESHOLD 64
 
-vlib_node_registration_t vhost_user_input_node;
+extern vlib_node_registration_t vhost_user_input_node;
 
 #define foreach_vhost_user_input_func_error      \
   _(NO_ERROR, "no error")  \
diff --git a/src/vnet/devices/virtio/vhost_user_output.c b/src/vnet/devices/virtio/vhost_user_output.c
index 4fbd63e..c0c54d1 100644
--- a/src/vnet/devices/virtio/vhost_user_output.c
+++ b/src/vnet/devices/virtio/vhost_user_output.c
@@ -53,7 +53,7 @@
  */
 #define VHOST_USER_TX_COPY_THRESHOLD (VHOST_USER_COPY_ARRAY_N - 40)
 
-vnet_device_class_t vhost_user_device_class;
+extern vnet_device_class_t vhost_user_device_class;
 
 #define foreach_vhost_user_tx_func_error      \
   _(NONE, "no error")  \
diff --git a/src/vnet/dpo/dvr_dpo.c b/src/vnet/dpo/dvr_dpo.c
index 4b440f8..a362d23 100644
--- a/src/vnet/dpo/dvr_dpo.c
+++ b/src/vnet/dpo/dvr_dpo.c
@@ -18,6 +18,8 @@
 #include <vnet/ip/ip.h>
 #include <vnet/ethernet/ethernet.h>
 
+dvr_dpo_t *dvr_dpo_pool;
+
 /**
  * The 'DB' of DVR DPOs.
  * There is one per-interface per-L3 proto, so this is a per-interface vector
diff --git a/src/vnet/dpo/dvr_dpo.h b/src/vnet/dpo/dvr_dpo.h
index 15fe113..669c492 100644
--- a/src/vnet/dpo/dvr_dpo.h
+++ b/src/vnet/dpo/dvr_dpo.h
@@ -54,7 +54,7 @@
 /**
  * @brief pool of all interface DPOs
  */
-dvr_dpo_t *dvr_dpo_pool;
+extern dvr_dpo_t *dvr_dpo_pool;
 
 static inline dvr_dpo_t *
 dvr_dpo_get (index_t index)
diff --git a/src/vnet/dpo/interface_rx_dpo.c b/src/vnet/dpo/interface_rx_dpo.c
index 82767e7..90868b9 100644
--- a/src/vnet/dpo/interface_rx_dpo.c
+++ b/src/vnet/dpo/interface_rx_dpo.c
@@ -17,6 +17,8 @@
 #include <vnet/fib/fib_node.h>
 #include <vnet/l2/l2_input.h>
 
+interface_rx_dpo_t *interface_rx_dpo_pool;
+
 /*
  * The 'DB' of interface DPOs.
  * There is only one  per-interface per-protocol, so this is a per-interface
diff --git a/src/vnet/dpo/interface_rx_dpo.h b/src/vnet/dpo/interface_rx_dpo.h
index edecce0..d3406a2 100644
--- a/src/vnet/dpo/interface_rx_dpo.h
+++ b/src/vnet/dpo/interface_rx_dpo.h
@@ -58,7 +58,7 @@
 /**
  * @brief pool of all interface DPOs
  */
-interface_rx_dpo_t *interface_rx_dpo_pool;
+extern interface_rx_dpo_t *interface_rx_dpo_pool;
 
 static inline interface_rx_dpo_t *
 interface_rx_dpo_get (index_t index)
diff --git a/src/vnet/dpo/l3_proxy_dpo.h b/src/vnet/dpo/l3_proxy_dpo.h
index fcc28b3..3a578e2 100644
--- a/src/vnet/dpo/l3_proxy_dpo.h
+++ b/src/vnet/dpo/l3_proxy_dpo.h
@@ -52,7 +52,7 @@
 /**
  * @brief pool of all l3_proxy DPOs
  */
-l3_proxy_dpo_t *l3_proxy_dpo_pool;
+extern l3_proxy_dpo_t *l3_proxy_dpo_pool;
 
 static inline l3_proxy_dpo_t *
 l3_proxy_dpo_get (index_t index)
diff --git a/src/vnet/dpo/receive_dpo.h b/src/vnet/dpo/receive_dpo.h
index ee3c783..9459fbc 100644
--- a/src/vnet/dpo/receive_dpo.h
+++ b/src/vnet/dpo/receive_dpo.h
@@ -59,7 +59,7 @@
 /**
  * @brief pool of all receive DPOs
  */
-receive_dpo_t *receive_dpo_pool;
+extern receive_dpo_t *receive_dpo_pool;
 
 static inline receive_dpo_t *
 receive_dpo_get (index_t index)
diff --git a/src/vnet/ip/ip4_forward.c b/src/vnet/ip/ip4_forward.c
index 5fc2552..b3ae29a 100644
--- a/src/vnet/ip/ip4_forward.c
+++ b/src/vnet/ip/ip4_forward.c
@@ -900,7 +900,9 @@
 VNET_SW_INTERFACE_ADD_DEL_FUNCTION (ip4_sw_interface_add_del);
 
 /* Global IP4 main. */
+#ifndef CLIB_MARCH_VARIANT
 ip4_main_t ip4_main;
+#endif /* CLIB_MARCH_VARIANT */
 
 static clib_error_t *
 ip4_lookup_init (vlib_main_t * vm)
diff --git a/src/vnet/ip/ip6_forward.c b/src/vnet/ip/ip6_forward.c
index 57fd608..2c3879b 100644
--- a/src/vnet/ip/ip6_forward.c
+++ b/src/vnet/ip/ip6_forward.c
@@ -2074,7 +2074,9 @@
 /*
  * Hop-by-Hop handling
  */
+#ifndef CLIB_MARCH_VARIANT
 ip6_hop_by_hop_main_t ip6_hop_by_hop_main;
+#endif /* CLIB_MARCH_VARIANT */
 
 #define foreach_ip6_hop_by_hop_error \
 _(PROCESSED, "pkts with ip6 hop-by-hop options") \
@@ -2102,7 +2104,7 @@
   u8 option_data[256];
 } ip6_hop_by_hop_trace_t;
 
-vlib_node_registration_t ip6_hop_by_hop_node;
+extern vlib_node_registration_t ip6_hop_by_hop_node;
 
 static char *ip6_hop_by_hop_error_strings[] = {
 #define _(sym,string) string,
diff --git a/src/vnet/ipsec/esp_encrypt.c b/src/vnet/ipsec/esp_encrypt.c
index 4b325e0..e169043 100644
--- a/src/vnet/ipsec/esp_encrypt.c
+++ b/src/vnet/ipsec/esp_encrypt.c
@@ -23,7 +23,9 @@
 #include <vnet/ipsec/ipsec.h>
 #include <vnet/ipsec/esp.h>
 
+#ifndef CLIB_MARCH_VARIANT
 ipsec_proto_main_t ipsec_proto_main;
+#endif /* CLIB_MARCH_VARIANT */
 
 #define foreach_esp_encrypt_next                   \
 _(DROP, "error-drop")                              \
diff --git a/src/vnet/l2/l2_learn.h b/src/vnet/l2/l2_learn.h
index c107145..58e19ba 100644
--- a/src/vnet/l2/l2_learn.h
+++ b/src/vnet/l2/l2_learn.h
@@ -52,7 +52,7 @@
 
 extern vlib_node_registration_t l2fib_mac_age_scanner_process_node;
 
-enum
+typedef enum
 {
   L2_MAC_AGE_PROCESS_EVENT_START = 1,
   L2_MAC_AGE_PROCESS_EVENT_STOP = 2,
diff --git a/src/vnet/l2/l2_patch.c b/src/vnet/l2/l2_patch.c
index e2d2a67..54286c2 100644
--- a/src/vnet/l2/l2_patch.c
+++ b/src/vnet/l2/l2_patch.c
@@ -49,7 +49,7 @@
   return s;
 }
 
-l2_patch_main_t l2_patch_main;
+static l2_patch_main_t l2_patch_main;
 
 static vlib_node_registration_t l2_patch_node;
 
diff --git a/src/vnet/lldp/lldp_node.h b/src/vnet/lldp/lldp_node.h
index eca1d12..f9bc959 100644
--- a/src/vnet/lldp/lldp_node.h
+++ b/src/vnet/lldp/lldp_node.h
@@ -131,7 +131,7 @@
   u8 data[400];
 } lldp_input_trace_t;
 
-enum
+typedef enum
 {
   LLDP_EVENT_RESCHEDULE = 1,
 } lldp_process_event_t;
diff --git a/src/vnet/mpls/mpls_lookup.h b/src/vnet/mpls/mpls_lookup.h
index 95558e0..17f9468 100644
--- a/src/vnet/mpls/mpls_lookup.h
+++ b/src/vnet/mpls/mpls_lookup.h
@@ -23,7 +23,7 @@
 /**
  * The arc/edge from the MPLS lookup node to the MPLS replicate node
  */
-u32 mpls_lookup_to_replicate_edge;
+extern u32 mpls_lookup_to_replicate_edge;
 
 /**
  * Enum of statically configred MPLS lookup next nodes
diff --git a/src/vnet/session/session_lookup.h b/src/vnet/session/session_lookup.h
index c45794d..8d7701d 100644
--- a/src/vnet/session/session_lookup.h
+++ b/src/vnet/session/session_lookup.h
@@ -96,7 +96,7 @@
 void session_lookup_dump_local_rules_table (u32 fib_index, u8 fib_proto,
 					    u8 transport_proto);
 
-enum _session_rule_scope
+typedef enum _session_rule_scope
 {
   SESSION_RULE_SCOPE_GLOBAL = 1,
   SESSION_RULE_SCOPE_LOCAL = 2,