X-Git-Url: https://git.saurik.com/bison.git/blobdiff_plain/e85056ef5fe3ddf7563a217b941c27de7d7b3cb5..ef51bfa744db744dc4b2eff1ba9d6334c807f8e6:/data/yacc.c

diff --git a/data/yacc.c b/data/yacc.c
index 96eea2a8..8d26479d 100644
--- a/data/yacc.c
+++ b/data/yacc.c
@@ -267,6 +267,8 @@ m4_if(b4_prefix, [yy], [],
 /* Copy the first part of user declarations.  */
 ]b4_user_pre_prologue[
 
+]b4_null_define[
+
 /* Enabling traces.  */
 #ifndef YYDEBUG
 # define YYDEBUG ]b4_debug_flag[