maint: maintainer-release-check.

[bison.git] / data / c.m4

diff --git a/data/c.m4 b/data/c.m4
index 195c441d4219db19951919aa009a0b246c9e5392..fee006a3d3523eb9389bd4bb35fcd22d6144dced 100644 (file)
--- a/data/c.m4
+++ b/data/c.m4
@@ -456,6 +456,8 @@ m4_define_default([b4_yy_symbol_print_generate],
 b4_locations_if([, [[YYLTYPE const * const yylocationp], [yylocationp]]])[]dnl
 m4_ifset([b4_parse_param], [, b4_parse_param]))[
 {
+  FILE *yyo = yyoutput;
+  YYUSE (yyo);
   if (!yyvaluep)
     return;
 ]b4_locations_if([  YYUSE (yylocationp);