title: how can solve "undefined reference to `isascii'" when build OpenOCD in Win 7 (cygwin)
body: <p>i'm building OpenOCD on window 7 by Cygwin and got this message</p>
  
  <pre><code>openocd-0.7.0/jimtcl/jim.c:3009: undefined reference to `isascii'
  collect2: error: ld returned 1 exit status
  Makefile:45: recipe for target 'jimsh.exe' failed
  make[2]: *** [jimsh.exe] Error 1
  </code></pre>
  
  <p>maybe the library for 'isascii' doesn't exist in Cygwin
  i followed these step for building:</p>
  
  <p><a href="http://www.tincantools.com/wiki/Compiling_OpenOCD_Win7" rel="nofollow">http://www.tincantools.com/wiki/Compiling_OpenOCD_Win7</a></p>