Silence -Wunused-but-set-variable error with clang

[babeltrace.git] / src / plugins / ctf / common / metadata / parser.ypp

diff --git a/src/plugins/ctf/common/metadata/parser.ypp b/src/plugins/ctf/common/metadata/parser.ypp
index b644b5d1ec68713f10bb68b5ac644d1748f8bc79..e475436ed8f987a75b00fda0bcd0c59f7d37621f 100644 (file)
--- a/src/plugins/ctf/common/metadata/parser.ypp
+++ b/src/plugins/ctf/common/metadata/parser.ypp
@@ -28,6 +28,12 @@
 
 #include "parser-wrap.hpp"
 
+/*
+ * Avoid warning about "yynerrs" being unused, seen with bison 3.5.1 + clang 15
+ * on Ubuntu 20.04.
+ */
+BT_DIAG_IGNORE_UNUSED_BUT_SET_VARIABLE
+
 /* Join two lists, put "add" at the end of "head".  */
 static inline void
 _bt_list_splice_tail (struct bt_list_head *add, struct bt_list_head *head)