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authorBenoît Ganne <bganne@cisco.com>2019-02-12 13:35:08 +0100
committerDamjan Marion <dmarion@me.com>2019-02-14 17:18:36 +0000
commit47727c02df4c79c21c6ceffaff65222c32cf6996 (patch)
treeff56da0094b29da6d07746b08574dfb194ed9113 /src/vnet/ip
parent8f6c1dda355b6e4d00dc4e41e65a25e1fd1507ee (diff)
Add -fno-common compile option
-fno-common makes sure we do not have multiple declarations of the same global symbol across compilation units. It helps debug nasty linkage bugs by guaranteeing that all reference to a global symbol use the same underlying object. It also helps avoiding benign mistakes such as declaring enum as global objects instead of types in headers (hence the minor fixes scattered across the source). Change-Id: I55c16406dc54ff8a6860238b90ca990fa6b179f1 Signed-off-by: Benoît Ganne <bganne@cisco.com>
Diffstat (limited to 'src/vnet/ip')
-rw-r--r--src/vnet/ip/ip4_forward.c2
-rw-r--r--src/vnet/ip/ip6_forward.c4
2 files changed, 5 insertions, 1 deletions
diff --git a/src/vnet/ip/ip4_forward.c b/src/vnet/ip/ip4_forward.c
index 5fc2552f5ca..b3ae29a2790 100644
--- a/src/vnet/ip/ip4_forward.c
+++ b/src/vnet/ip/ip4_forward.c
@@ -900,7 +900,9 @@ ip4_sw_interface_add_del (vnet_main_t * vnm, u32 sw_if_index, u32 is_add)
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 57fd6081af5..2c3879b13d1 100644
--- a/src/vnet/ip/ip6_forward.c
+++ b/src/vnet/ip/ip6_forward.c
@@ -2074,7 +2074,9 @@ VLIB_REGISTER_NODE (ip6_mcast_midchain_node) =
/*
* 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 @@ typedef struct
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,