title: undefined symbol: gsl_multimin_fdfminimizer_conjugate_fr when trying to install topicmodels in R
body: <p>I've been trying to install the <code>topicmodels</code> package in R for quite a few minutes. I've read many tutorials and installed the gsl package, but I'm still getting this error:</p>
  
  <pre><code>Error: package or namespace load failed for ‘topicmodels’ in dyn.load(file, DLLpath = DLLpath, ...):
   impossível carregar objeto compartilhado '/home/sillas/R/x86_64-pc-linux-gnu-library/3.4/topicmodels/libs/topicmodels.so':
    /home/sillas/R/x86_64-pc-linux-gnu-library/3.4/topicmodels/libs/topicmodels.so: undefined symbol: gsl_multimin_fdfminimizer_conjugate_fr
  Erro: loading failed
  Execução interrompida
  ERROR: loading failed
  * removing ‘/home/sillas/R/x86_64-pc-linux-gnu-library/3.4/topicmodels’
  Warning in install.packages :
    installation of package ‘topicmodels’ had non-zero exit status
  </code></pre>