[dpdk-dev] Build errors due to duplicate version.map entries in librte_power
Aaron Conole
aconole at redhat.com
Mon Feb 15 20:18:24 CET 2021
Greetings,
During CI runs, I've noticed lots of failures from the Travis-CI side
all related to librte_power/version.map containing some duplicate
symbols. It seems commit 4d3892dcd77b ("power: make channel message
functions public") made the following hunk:
diff --git a/lib/librte_power/version.map b/lib/librte_power/version.map
index 69ca9af616..13f0af3b2d 100644
--- a/lib/librte_power/version.map
+++ b/lib/librte_power/version.map
@@ -34,4 +34,8 @@ EXPERIMENTAL {
rte_power_guest_channel_receive_msg;
rte_power_poll_stat_fetch;
rte_power_poll_stat_update;
+
+ # added in 21.02
+ rte_power_guest_channel_receive_msg;
+ rte_power_guest_channel_send_msg;
};
As can be seen, rte_power_guest_channel_receive_msg was added already
(it's present in the hunk itself). The rte_power_guest_channel_send_msg
function was added as part of 85ff364f3bd3 ("build: align symbols with
global ABI version").
I guess it may not be allowed to have duplicate symbols here, because in
travis, I see (only for some builds):
clang -o lib/librte_power.so.21.1 'lib/lib@@rte_power at sta/librte_power_rte_power.c.o' 'lib/lib@@rte_power at sta/librte_power_power_acpi_cpufreq.c.o' 'lib/lib@@rte_power at sta/librte_power_power_kvm_vm.c.o' 'lib/lib@@rte_power at sta/librte_power_guest_channel.c.o' 'lib/lib@@rte_power at sta/librte_power_rte_power_empty_poll.c.o' 'lib/lib@@rte_power at sta/librte_power_power_pstate_cpufreq.c.o' 'lib/lib@@rte_power at sta/librte_power_rte_power_pmd_mgmt.c.o' 'lib/lib@@rte_power at sta/librte_power_power_common.c.o' -Wl,--no-undefined -Wl,--as-needed -shared -fPIC -Wl,--start-group -Wl,-soname,librte_power.so.21 -Wl,--no-as-needed -pthread -lm -ldl lib/librte_eal.so.21.1 lib/librte_kvargs.so.21.1 lib/librte_telemetry.so.21.1 lib/librte_timer.so.21.1 lib/librte_ethdev.so.21.1 lib/librte_net.so.21.1 lib/librte_mbuf.so.21.1 lib/librte_mempool.so.21.1 lib/librte_ring.so.21.1 lib/librte_meter.so.21.1 -Wl,--end-group -Wl,--version-script=/home/travis/build/ovsrobot/dpdk/lib/librte_power/version.map '-Wl,-rpath,$ORIGIN/' -Wl,-rpath-link,/home/travis/build/ovsrobot/dpdk/build/lib -target aarch64-linux-gnu -fuse-ld=lld --gcc-toolchain=/usr
ld.lld: error: duplicate symbol 'rte_power_guest_channel_send_msg' in version script
Thoughts?
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