1 files changed, 1 insertions, 1 deletions
diff --git a/m4/decl.m4 b/m4/decl.m4
index 4dd7e0d6..7d20e38b 100644
--- a/m4/decl.m4
+++ b/m4/decl.m4
@@ -32,6 +32,6 @@ AC_DEFUN(jm_CHECK_DECLARATIONS,
     jm_CHECK_DECLARATION($jm_func, [$1],
     [
       jm_tr_func=HAVE_DECL_`echo $jm_func | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ`
-      AC_DEFINE_UNQUOTED($jm_tr_func) $3], [$4])dnl
+      AC_DEFINE_UNQUOTED($jm_tr_func, 1, [Define if your system declares $1]) $3], [$4])dnl
   done
 ])