Github user DaveBirdsall commented on a diff in the pull request:
https://github.com/apache/incubator-trafodion/pull/118#discussion_r41883676
--- Diff: core/sqf/sql/scripts/get_libhdfs_files ---
@@ -0,0 +1,186 @@
+#!/bin/sh
+
+# This script downloads and/or makes the required libhdfs files
+# to be able to build Trafodion, which acts as a libhdfs client.
+#
+# Basically, what we need are three files:
+#
+# hdfs.h (copied to $TGT_INC_DIR)
+# libhdfs.so (copied to $TGT_LIB_DIR)
+# libhadoop.so (copied to $TGT_LIB_DIR)
+
+# Working dir in the Trafodion source tree to extract and build libhdfs
files
+# (can be specified as an environment variable)
+if [[ -z ${LIBHDFS_TEMP_DIR} ]]; then
+ LIBHDFS_TEMP_DIR=${MY_SQROOT}/sql/libhdfs_files
+fi
+LOGFILE=${LIBHDFS_TEMP_DIR}/build.log
+
+# Hadoop source tar file to build libhdfs from
+HADOOP_SRC_MIRROR_URL=https://archive.apache.org/dist/hadoop/common/hadoop-2.6.0
+HADOOP_ID=hadoop-2.6.0
+HADOOP_SRC_ID=${HADOOP_ID}-src
+HADOOP_SRC_TAR=${HADOOP_SRC_ID}.tar.gz
+
+# files to build required version of Google Protocol Buffers
+PROTOBUF_MIRROR_URL=https://github.com/google/protobuf/releases/download/v2.5.0
+PROTOBUF_ID=protobuf-2.5.0
+PROTOBUF_TAR=${PROTOBUF_ID}.tar.gz
+
+# result of protobuf build
+PROTOBUF_TGT_ID=protobuf-tgt
+
+# Directories to copy the built libhdfs library and corresponding include
file
+TGT_INC_DIR=$MY_SQROOT/export/include
+TGT_LIB_DIR=$MY_SQROOT/export/lib${SQ_MBTYPE}
+
+FORCE_BUILD=false
+VERBOSE=false
+
+USAGE="Usage $0 [ -f | --force ]\
+ [ -v | --verbose ]\
+ [ -d <temp dir> | --tempDir <temp dir> ]"
+
+while [[ $# > 0 ]]
+do
+ arg="$1"
+
+ case $arg in
+ -f|--force)
+ FORCE_BUILD=true
+ ;;
+
+ -v|--verbose)
+ VERBOSE=true
+ ;;
+
+ -d|--tempDir)
+ shift
+ if [[ $# < 1 ]]; then
+ echo "Expecting argument after -d or --tempDir"
+ exit 1
+ fi
+ LIBHDFS_TEMP_DIR="$1"
+ ;;
+
+ *)
+ echo "Unknown command line option: $arg"
+ echo "Usage $0 [ -f | --force ]"
--- End diff --
Did you mean to echo $USAGE here?
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