title: SIOD error while compiling festival with hts in ubuntu
body: <p>I tried to compile HTS-demo_CMU-ARCTIC-SLT on Ubuntu16.10.</p>
  
  <pre><code>/hts/HTS-demo_CMU-ARCTIC-SLT$ ./configure --with-fest-search-path=$HOME/hts/festival/examples \
                                            --with-sptk-search-path=$HOME/hts/SPTK-3.10/bin \
                                            --with-hts-search-path=$HOME/hts/HTS-2.3_for_HTK-3.4.1/bin \
                                            --with-hts-engine-search-path=$HOME/hts/hts_engine_API-1.10/bin 
  
  /hts/HTS-demo_CMU-ARCTIC-SLT$ make
  </code></pre>
  
  <p>However following error has occurred.</p>
  
  <pre><code>Extracting labels from utts/cmu_us_arctic_slt_a0001.utt
  SIOD ERROR: unbound variable : eof
  Extracting labels from utts/cmu_us_arctic_slt_a0002.utt
  SIOD ERROR: unbound variable : eof
  </code></pre>
  
  <p>I assume that Festival caused these problem. This is my process for installing the Festival.</p>
  
  <pre><code>/hts/speech_tools$ ./configure --prefix=$HOME/hts/speech_tools
  /hts/speech_tools$ make
  /hts/speech_tools$ make install
  /hts/festival$ ./configure --prefix=$HOME/hts/festival
  /hts/festival$ make
  /hts/festival$ make install
  </code></pre>
  
  <p>Could you assist me to solve this problem?</p>
  
  <p>[add]</p>
  
  <p>I get festival version 2.4 from (<a href="http://www.cstr.ed.ac.uk/downloads/festival/2.4/" rel="nofollow noreferrer">http://www.cstr.ed.ac.uk/downloads/festival/2.4/</a>)</p>