diff --git a/gdb/configure.in b/gdb/configure.in
index 9e90f63d65..a70d31f1b0 100644
--- a/gdb/configure.in
+++ b/gdb/configure.in
@@ -10,6 +10,7 @@ AC_ISC_POSIX
 
 AC_PROG_INSTALL
 AC_PROG_RANLIB
+AC_PROG_YACC
 
 AC_CONFIG_AUX_DIR(`cd $srcdir;pwd`/..)
 AC_CANONICAL_SYSTEM