From 5464061ac60a2ff5ac57f978da8e160801c71d21 Mon Sep 17 00:00:00 2001
From: David Boehme <boehme3@llnl.gov>
Date: Wed, 26 Aug 2026 11:51:18 -0700
Subject: [PATCH] Fix empty arg not allowed in C pre 23

---
 src/adiak_exe.c | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/src/adiak_exe.c b/src/adiak_exe.c
index 6c8ec47..9c21947 100644
--- a/src/adiak_exe.c
+++ b/src/adiak_exe.c
@@ -14,7 +14,13 @@
 #include <mpi.h>
 #endif
 
-static void print_nameval(const char *name, adiak_value_t *value, adiak_datatype_t *t, adiak_record_info_t *, void *)
+#ifdef __GNUC__
+#define UNUSED(x) UNUSED_ ## x __attribute__((__unused__))
+#else
+#define UNUSED(x) UNUSED_ ## x
+#endif
+
+static void print_nameval(const char *name, adiak_value_t *value, adiak_datatype_t *t, adiak_record_info_t *UNUSED(info), void *UNUSED(usr))
 {
     static const char* whitespace = "                    ";
     size_t len = strlen(name);