From b4ae652c217ef57886442848788dd41d2d8ba094 Mon Sep 17 00:00:00 2001
From: Andreas Karlsson <andreas.karlsson@percona.com>
Date: Fri, 5 Jun 2026 00:07:18 +0200
Subject: [PATCH] Use PG_MODULE_MAGIC_EXT macro in PostgreSQL 18

PostgreSQL 18 introduced the very useful PG_MODULE_MAGIC macro which
makes it possible to see which exact version of the library is loaded
into PostgreSQL.
---
 pg_stat_monitor.c | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/pg_stat_monitor.c b/pg_stat_monitor.c
index ff5134ca..85baa180 100644
--- a/pg_stat_monitor.c
+++ b/pg_stat_monitor.c
@@ -64,10 +64,14 @@ typedef enum pgsmVersion
 	PGSM_V2_3,
 } pgsmVersion;
 
-PG_MODULE_MAGIC;
-
 #define BUILD_VERSION                   "2.4.0"
 
+#if PG_VERSION_NUM >= 180000
+PG_MODULE_MAGIC_EXT(.name = "pg_stat_monitor",.version = BUILD_VERSION);
+#else
+PG_MODULE_MAGIC;
+#endif
+
 /* Number of output arguments (columns) for various API versions */
 #define PG_STAT_MONITOR_COLS_V1_0    52
 #define PG_STAT_MONITOR_COLS_V2_0    64