[MacPorts] #59927: bison: update to 3.8

[MacPorts]

#59927: bison: update to 3.8
------------------------+----------------------
  Reporter:  ballapete  |      Owner:  mascguy
      Type:  defect     |     Status:  assigned
  Priority:  Normal     |  Milestone:
 Component:  ports      |    Version:  2.6.2
Resolution:             |   Keywords:
      Port:  bison      |
------------------------+----------------------

Comment (by mascguy):

 Akim, here's the requested output:

 {{{
 $ /usr/bin/gcc-4.2 -std=gnu99 -pipe -Os -arch ppc -E bison.c
 # 1 "bison.c"
 # 1 "<built-in>"
 # 1 "<command-line>"
 # 1 "bison.c"
 # 20 "bison.c"
 case 2
 # 33 "bison.c"
 c++: __cplusplus
 clang: __clang__
 clang maj: __clang_major__
 clang min: __clang_minor__
 STDC: 199901L
 STRICT_ANSI: __STRICT_ANSI__
 GNUC: 4
 GNUC MIN: 2
 apple: __apple_build_version__

 _Noreturn static void
 yyFail (yyGLRStack* yystackp, YYLTYPE *yylocp, const char* yymsg);
 }}}

-- 
Ticket URL: <https://trac.macports.org/ticket/59927#comment:62>
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