Paul Eggert b929851a33 Avoid gcc -Wundef warnings reported by Gerald Pfeifer in ...

<http://mail.gnu.org/archive/html/bug-bison/2003-04/msg00044.html>.
(YYSTACK_ALLOC): Don't evaluate YYSTACK_USE_ALLOCA if it is not defined.
(YYMAXDEPTH): Don't evaluate YYMAXDEPTH if it is not defined.

2003-04-28 06:03:58 +00:00

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