title: Can't install "tm", "NLP" or "slam" package on R 3.3.2 (macOS Sierra)
body: <p>Installing the "tm" package with:</p>
  
  <pre><code>install.packages("tm", dependencies = TRUE)
  </code></pre>
  
  <p>Fails with the following output:</p>
  
  <pre><code>During startup - Warning messages:
  1: Setting LC_TIME failed, using "C"
  2: Setting LC_MESSAGES failed, using "C"
  3: Setting LC_MONETARY failed, using "C"
  * installing *source* package ‘NLP’ ...
  ** package ‘NLP’ successfully unpacked and MD5 sums checked
  ** R
  ** inst
  ** preparing package for lazy loading
  ** help
  *** installing help indices
  ** building package indices
  ** testing if installed package can be loaded
  *** arch - R
  ERROR: sub-architecture 'R' is not installed
  *** arch - R.html
  ERROR: sub-architecture 'R.html' is not installed
  ERROR: loading failed for ‘R’, ‘R.html’
  * removing ‘/usr/local/lib/R/3.3/site-library/NLP’
  During startup - Warning messages:
  1: Setting LC_TIME failed, using "C"
  2: Setting LC_MESSAGES failed, using "C"
  3: Setting LC_MONETARY failed, using "C"
  * installing *source* package ‘slam’ ...
  ** package ‘slam’ successfully unpacked and MD5 sums checked
  ** libs
  make: *** No rule to make target `apply.o', needed by `slam.so'.  Stop.
  *** arch - R.html
  Warning in file(con, "r") :
    cannot open file '/usr/local/Cellar/r/3.3.2/R.framework/Resources/etc/R.html/Makeconf': No such file or directory
  Error in file(con, "r") : cannot open the connection
  * removing ‘/usr/local/lib/R/3.3/site-library/slam’
  During startup - Warning messages:
  1: Setting LC_TIME failed, using "C"
  2: Setting LC_MESSAGES failed, using "C"
  3: Setting LC_MONETARY failed, using "C"
  * installing *source* package ‘filehash’ ...
  ** package ‘filehash’ successfully unpacked and MD5 sums checked
  ** libs
  make: *** No rule to make target `hash.o', needed by `filehash.so'.  Stop.
  *** arch - R.html
  Warning in file(con, "r") :
    cannot open file '/usr/local/Cellar/r/3.3.2/R.framework/Resources/etc/R.html/Makeconf': No such file or directory
  Error in file(con, "r") : cannot open the connection
  * removing ‘/usr/local/lib/R/3.3/site-library/filehash’
  During startup - Warning messages:
  1: Setting LC_TIME failed, using "C"
  2: Setting LC_MESSAGES failed, using "C"
  3: Setting LC_MONETARY failed, using "C"
  * installing *source* package ‘Rpoppler’ ...
  ** package ‘Rpoppler’ successfully unpacked and MD5 sums checked
  checking for pkg-config... /usr/local/bin/pkg-config
  checking whether pkg-config knows about poppler-glib &gt;= 0.18.0... no
  configure: error: cannot determine poppler-glib compile/link flags
  ERROR: configuration failed for package ‘Rpoppler’
  * removing ‘/usr/local/lib/R/3.3/site-library/Rpoppler’
  During startup - Warning messages:
  1: Setting LC_TIME failed, using "C"
  2: Setting LC_MESSAGES failed, using "C"
  3: Setting LC_MONETARY failed, using "C"
  * installing *source* package ‘SnowballC’ ...
  ** package ‘SnowballC’ successfully unpacked and MD5 sums checked
  ** libs
  make: *** No rule to make target `api.o', needed by `SnowballC.so'.  Stop.
  *** arch - R.html
  Warning in file(con, "r") :
    cannot open file '/usr/local/Cellar/r/3.3.2/R.framework/Resources/etc/R.html/Makeconf': No such file or directory
  Error in file(con, "r") : cannot open the connection
  * removing ‘/usr/local/lib/R/3.3/site-library/SnowballC’
  During startup - Warning messages:
  1: Setting LC_TIME failed, using "C"
  2: Setting LC_MESSAGES failed, using "C"
  3: Setting LC_MONETARY failed, using "C"
  ERROR: dependencies ‘NLP’, ‘slam’ are not available for package ‘tm’
  * removing ‘/usr/local/lib/R/3.3/site-library/tm’
  
  The downloaded source packages are in
      ‘/private/var/folders/19/b59kndv96js71_09xrz9ssdc0000gn/T/RtmptEhVgC/downloaded_packages’
  Warning messages:
  1: In install.packages("tm", dependencies = TRUE) :
    installation of package ‘NLP’ had non-zero exit status
  2: In install.packages("tm", dependencies = TRUE) :
    installation of package ‘slam’ had non-zero exit status
  3: In install.packages("tm", dependencies = TRUE) :
    installation of package ‘filehash’ had non-zero exit status
  4: In install.packages("tm", dependencies = TRUE) :
    installation of package ‘Rpoppler’ had non-zero exit status
  5: In install.packages("tm", dependencies = TRUE) :
    installation of package ‘SnowballC’ had non-zero exit status
  6: In install.packages("tm", dependencies = TRUE) :
    installation of package ‘tm’ had non-zero exit status
  </code></pre>
  
  <p>Session info:</p>
  
  <pre><code>&gt; sessionInfo()
  R version 3.3.2 (2016-10-31)
  Platform: x86_64-apple-darwin16.1.0 (64-bit)
  Running under: macOS Sierra 10.12.2
  
  locale:
  [1] C/UTF-8/C/C/C/C
  
  attached base packages:
  [1] stats     graphics  grDevices utils     datasets  methods   base
  
  loaded via a namespace (and not attached):
  [1] tools_3.3.2
  </code></pre>
  
  <hr>
  
  <p>PS: Trying to install "NLP" or "slam" separately fails too.</p>
  
  <pre><code>&gt; install.packages("NLP", dependencies = TRUE)
  Installing package into ‘/usr/local/lib/R/3.3/site-library’
  (as ‘lib’ is unspecified)
  trying URL 'https://lib.ugent.be/CRAN/src/contrib/NLP_0.1-9.tar.gz'
  Content type 'application/x-gzip' length 134347 bytes (131 KB)
  ==================================================
  downloaded 131 KB
  
  During startup - Warning messages:
  1: Setting LC_TIME failed, using "C"
  2: Setting LC_MESSAGES failed, using "C"
  3: Setting LC_MONETARY failed, using "C"
  * installing *source* package ‘NLP’ ...
  ** package ‘NLP’ successfully unpacked and MD5 sums checked
  ** R
  ** inst
  ** preparing package for lazy loading
  ** help
  *** installing help indices
  ** building package indices
  ** testing if installed package can be loaded
  *** arch - R
  ERROR: sub-architecture 'R' is not installed
  *** arch - R.html
  ERROR: sub-architecture 'R.html' is not installed
  ERROR: loading failed for ‘R’, ‘R.html’
  * removing ‘/usr/local/lib/R/3.3/site-library/NLP’
  
  The downloaded source packages are in
      ‘/private/var/folders/19/b59kndv96js71_09xrz9ssdc0000gn/T/RtmptEhVgC/downloaded_packages’
  Warning message:
  In install.packages("NLP", dependencies = TRUE) :
    installation of package ‘NLP’ had non-zero exit status
  
  
  &gt; install.packages("slam", dependencies = TRUE)
  Installing package into ‘/usr/local/lib/R/3.3/site-library’
  (as ‘lib’ is unspecified)
  trying URL 'https://lib.ugent.be/CRAN/src/contrib/slam_0.1-40.tar.gz'
  Content type 'application/x-gzip' length 50146 bytes (48 KB)
  ==================================================
  downloaded 48 KB
  
  During startup - Warning messages:
  1: Setting LC_TIME failed, using "C"
  2: Setting LC_MESSAGES failed, using "C"
  3: Setting LC_MONETARY failed, using "C"
  * installing *source* package ‘slam’ ...
  ** package ‘slam’ successfully unpacked and MD5 sums checked
  ** libs
  make: *** No rule to make target `apply.o', needed by `slam.so'.  Stop.
  *** arch - R.html
  Warning in file(con, "r") :
    cannot open file '/usr/local/Cellar/r/3.3.2/R.framework/Resources/etc/R.html/Makeconf': No such file or directory
  Error in file(con, "r") : cannot open the connection
  * removing ‘/usr/local/lib/R/3.3/site-library/slam’
  
  The downloaded source packages are in
      ‘/private/var/folders/19/b59kndv96js71_09xrz9ssdc0000gn/T/RtmptEhVgC/downloaded_packages’
  Warning message:
  In install.packages("slam", dependencies = TRUE) :
    installation of package ‘slam’ had non-zero exit status
  </code></pre>
  
  <p>Links:</p>
  
  <ul>
  <li><a href="https://cran.r-project.org/package=tm" rel="nofollow noreferrer">https://cran.r-project.org/package=tm</a> (version: 0.6-2)</li>
  <li><a href="https://cran.r-project.org/package=NLP" rel="nofollow noreferrer">https://cran.r-project.org/package=NLP</a></li>
  <li><a href="https://cran.r-project.org/package=slam" rel="nofollow noreferrer">https://cran.r-project.org/package=slam</a></li>
  </ul>