title: How to install bison 2.4.1 on ARM64 CPU (aarch64)?
body: <p>I have downloaded bison2.4.1 on my Ubuntu 16.0.4 linux on ARM 64 Board. 
  but, I cannot proceed any more, my problem is as below:</p>
  
  <p>while I executed ./configure cmd, I got the error message as below:</p>
  
  <pre><code>checking for wctype.h... yes
  checking for inline... inline
  checking whether system is Windows or MSDOS... no
  checking build system type... build-aux/config.guess: unable to guess system type
  
  This script, last modified 2008-12-11, has failed to recognize
  the operating system you are using. It is advised that you
  download the most up to date version of the config scripts from
  
    http://git.savannah.gnu.org/gitweb/?p=config.git;a=blob_plain;f=config.guess;hb=HEAD
  and
    http://git.savannah.gnu.org/gitweb/?p=config.git;a=blob_plain;f=config.sub;hb=HEAD
  
  If the version you run (build-aux/config.guess) is already up to date, please
  send the following data and any information you think might be
  pertinent to &lt;config-patches@gnu.org&gt; in order to provide the needed
  information to handle your system.
  
  config.guess timestamp = 2008-12-11
  
  uname -m = aarch64
  uname -r = 4.4.77-rockchip-ayufan-136
  uname -s = Linux
  uname -v = #1 SMP Thu Oct 12 09:14:48 UTC 2017
  
  /usr/bin/uname -p = 
  /bin/uname -X     = 
  
  hostinfo               = 
  /bin/universe          = 
  /usr/bin/arch -k       = 
  /bin/arch              = 
  /usr/bin/oslevel       = 
  /usr/convex/getsysinfo = 
  
  UNAME_MACHINE = aarch64
  UNAME_RELEASE = 4.4.77-rockchip-ayufan-136
  UNAME_SYSTEM  = Linux
  UNAME_VERSION = #1 SMP Thu Oct 12 09:14:48 UTC 2017
  configure: error: cannot guess build type; you must specify one
  </code></pre>