examples/eventdev: fix build with gcc 10

GCC 10 defaults to -fno-common, this means a linker error will now be
reported if the same global variable is defined in more than one
compilation unit.

Fixes: 3d1b33e44ae2 ("examples/eventdev: move common data into pipeline common")
Cc: stable@dpdk.org
Signed-off-by: Timothy Redaelli <tredaelli@redhat.com>
Acked-by: David Marchand <david.marchand@redhat.com>

diff --git a/examples/eventdev_pipeline/main.c b/examples/eventdev_pipeline/main.c
index d3ff1bbe4f94cc94d0d5b3320a4f7c49f09b6666..d0da51b1c90915f424710ed0c36446c35b661acf 100644 (file)
--- a/examples/eventdev_pipeline/main.c
+++ b/examples/eventdev_pipeline/main.c
@@ -10,6 +10,8 @@
 
 #include "pipeline_common.h"
 
+struct fastpath_data *fdata;
+
 struct config_data cdata = {
        .num_packets = (1L << 25), /* do ~32M packets */
        .num_fids = 512,

diff --git a/examples/eventdev_pipeline/pipeline_common.h b/examples/eventdev_pipeline/pipeline_common.h
index 8e30393d092df2f18e33f0cdcdf7a0f27074ef69..c7245f7f0fe1f73a3bb88bd0adf2ecdfcfe5890c 100644 (file)
--- a/examples/eventdev_pipeline/pipeline_common.h
+++ b/examples/eventdev_pipeline/pipeline_common.h
@@ -93,8 +93,8 @@ struct port_link {
        uint8_t priority;
 };
 
-struct fastpath_data *fdata;
-struct config_data cdata;
+extern struct fastpath_data *fdata;
+extern struct config_data cdata;
 
 static __rte_always_inline void
 exchange_mac(struct rte_mbuf *m)