if [ -z "$JAVA_HOME" ]
then
-JAVA_HOME=$(dirname $(dirname $(readlink -f $(which javac))))
-echo "Environment variable JAVA_HOME not set, using $JAVA_HOME"
+JAVA_HOME=$(dirname $(dirname $(readlink -f $(which java))))
+echo "Environment variable JAVA_HOME not set, using $JAVA_HOME of $(which java)"
fi
# Create build directory, so that it can be used right away