[ruby-cvs:56954] nobu:r49804 (trunk): configure.in: _setjmp only if _longjmp is found

[nobu at ruby-lang.org]

nobu	2015-03-02 15:36:12 +0900 (Mon, 02 Mar 2015)

  New Revision: 49804

  http://svn.ruby-lang.org/cgi-bin/viewvc.cgi?view=revision&revision=49804

  Log:
    configure.in: _setjmp only if _longjmp is found
    
    * configure.in: do not check _setjmp unless _longjmp is available,
      so that configure results will not be changed by cache.

  Modified files:
    trunk/ChangeLog
    trunk/configure.in