[ruby-cvs:61925] nobu:r54763 (trunk): tk/extconf.rb: refactor

[nobu at ruby-lang.org]

nobu	2016-04-25 17:30:56 +0900 (Mon, 25 Apr 2016)

  New Revision: 54763

  https://svn.ruby-lang.org/cgi-bin/viewvc.cgi?view=revision&revision=54763

  Log:
    tk/extconf.rb: refactor
    
    * ext/tk/extconf.rb (collect_tcltk_defs): split by -D at the
      beginning or preceded by a space.  exclude empty strings from
      $defs.
    
    * ext/tk/extconf.rb: test if value is set and has non-blank by
      matching /\S/ at once.

  Modified files:
    trunk/ext/tk/extconf.rb