title: Error running '__rvm_make -j12' while installing ruby 2.5.0 on CentOS
body: <p>I am setting up a new server and I have installed rvm version 1.29.9-next (master). I get the following error when I run rvm install ruby-2.5.0</p>
  
  <pre><code>Error running '__rvm_make -j12',
  please read /home/projecty/.rvm/log/1564035272_ruby-2.5.0/make.log
  
  There has been an error while running make. Halting the installation.
  </code></pre>
  
  <p>make.log reads</p>
  
  <pre><code>compiling ./main.c
  compiling dmydln.c
  compiling miniinit.c
  compiling dmyext.c
  generating miniprelude.c
  making dummy probes.h
  compiling bignum.c
  compiling class.c
  compiling compar.c
  compiling compile.c
  compiling complex.c
  ./tool/generic_erb.rb:11:in `require': ./tool/colorize.rb:7: syntax error, unexpected ':', expecting ')' (SyntaxError)
  ...O.popen("tput smso", "r", err: IO::NULL, &amp;:read) rescue nil)
                                ^
  ./tool/colorize.rb:7: dynamic constant assignment
  ...put smso", "r", err: IO::NULL, &amp;:read) rescue nil)
                                ^
  ./tool/colorize.rb:7: syntax error, unexpected tAMPER, expecting '='
  ...t smso", "r", err: IO::NULL, &amp;:read) rescue nil)
                                ^
  ./tool/colorize.rb:7: syntax error, unexpected kRESCUE_MOD, expecting kTHEN or ':' or '\n' or ';'
  ... err: IO::NULL, &amp;:read) rescue nil)
                                ^
  ./tool/colorize.rb:35: syntax error, unexpected kEND, expecting $end
          from ./tool/generic_erb.rb:11
  make: *** [miniprelude.c] Error 1
  make: *** Waiting for unfinished jobs....
  </code></pre>