Add support for bison 3.0

Mainly it no longer generates some tables used for debugging.

This commit also adds a new define showing what bison version was used.

1 files changed, 1 insertions, 1 deletions

diff --git a/perly.y b/perly.y
index 7c021e99f0..200964dad1 100644
--- a/perly.y
+++ b/perly.y
@@ -31,7 +31,7 @@
 
 /*  Make the parser re-entrant. */
 
-%pure_parser
+%pure-parser
 
 %start grammar