From cb09903fe63132a35e4b217bc394882b05c0c6f3 Mon Sep 17 00:00:00 2001
From: Tom Lane <tgl@sss.pgh.pa.us>
Date: Mon, 19 Nov 2018 17:28:04 -0500
Subject: [PATCH] Add needed #include.

Per POSIX, WIFSIGNALED and related macros are provided by <sys/wait.h>.
Apparently on Linux they're also pulled in by some other inclusions,
but BSD-ish systems are pickier.  Fixes portability issue in ffa4cbd62.

Per buildfarm.
---
 src/backend/commands/copy.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/backend/commands/copy.c b/src/backend/commands/copy.c
index b956d2a5d3..a283fcb33a 100644
--- a/src/backend/commands/copy.c
+++ b/src/backend/commands/copy.c
@@ -17,6 +17,7 @@
 #include <ctype.h>
 #include <unistd.h>
 #include <sys/stat.h>
+#include <sys/wait.h>
 
 #include "access/heapam.h"
 #include "access/htup_details.h"
-- 
2.40.0