HDFS-15743. Fix -Pdist build failure of hadoop-hdfs-native-client. #2569
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https://issues.apache.org/jira/browse/HDFS-15743
-Pdist
build failed in hadoop-hdfs-native-client on calling dev-support/bin/dist-copynativelibs.The cause is empty target/bin dir (and the code for Windows platform) based on debug output by
set -x
.I guess target/bin is created or emptied by recent commit. Adding empty dir check to the conditional worked for me.