From 52ea7f0e0545e8b7e5f28cceddadbfb184f41a4f Mon Sep 17 00:00:00 2001
From: Thomas Munro <tmunro@postgresql.org>
Date: Tue, 13 Aug 2024 23:02:05 +1200
Subject: [PATCH] Include <xlocale.h> for older macOS.

Commit 35eeea62 forgot to include <xlocale.h> when using locale_t
(which didn't seem to be required on newer Apple SDK as used by CI,
hence mistake).  Let's see if this fixes build farm animals longfin and
sifika.
---
 src/port/chklocale.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/port/chklocale.c b/src/port/chklocale.c
index 14d0e2c557..dc2279179a 100644
--- a/src/port/chklocale.c
+++ b/src/port/chklocale.c
@@ -23,6 +23,10 @@
 #include <langinfo.h>
 #endif
 
+#ifdef LOCALE_T_IN_XLOCALE_H
+#include <xlocale.h>
+#endif
+
 #include "mb/pg_wchar.h"