From 1bdd03ad3bd36fd63517dc8d3437ab71a1aa01c0 Mon Sep 17 00:00:00 2001
From: Nick Porter <nick@portercomputing.co.uk>
Date: Thu, 7 Oct 2021 14:54:22 +0100
Subject: [PATCH] Need to update the configure.ac file as well (#4253)

---
 .../drivers/rlm_sql_postgresql/configure.ac        | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

diff --git a/src/modules/rlm_sql/drivers/rlm_sql_postgresql/configure.ac b/src/modules/rlm_sql/drivers/rlm_sql_postgresql/configure.ac
index 74610aeadb..8ac1022e89 100644
--- a/src/modules/rlm_sql/drivers/rlm_sql_postgresql/configure.ac
+++ b/src/modules/rlm_sql/drivers/rlm_sql_postgresql/configure.ac
@@ -78,6 +78,20 @@ if test x$with_[]modname != xno; then
 		  [
 		    AC_MSG_RESULT(no)
 		  ])
+
+		AC_MSG_CHECKING([for PGRES_PIPELINE_SYNC])
+		AC_COMPILE_IFELSE(
+		  [AC_LANG_PROGRAM([#include <libpq-fe.h>], [[
+		    if (PGRES_PIPELINE_SYNC) return 0;
+		    return 1;
+		  ]])],
+		  [
+		    AC_DEFINE([HAVE_PGRES_PIPELINE_SYNC], [1], [Whether the PGRES_PIPELINE_SYNC constant is defined])
+		    AC_MSG_RESULT(yes)
+		  ],
+		  [
+		    AC_MSG_RESULT(no)
+		  ])
 	fi
 
 	smart_try_dir="$rlm_sql_postgresql_lib_dir /usr/lib /usr/local/pgsql/lib"
-- 
2.47.3