From e7c0354185cb2af3800ce702804829af1c3e6577 Mon Sep 17 00:00:00 2001
From: Matthew Fernandez <matthew.fernandez@gmail.com>
Date: Fri, 19 Nov 2021 22:17:29 -0800
Subject: [PATCH] sfio: squash -Wunused-variable on platforms without SIGPIPE

This warning, for example, is triggered in Mingw builds.
---
 lib/sfio/sfmode.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/lib/sfio/sfmode.c b/lib/sfio/sfmode.c
index 51bc85383..2ded6d3d7 100644
--- a/lib/sfio/sfmode.c
+++ b/lib/sfio/sfmode.c
@@ -37,7 +37,9 @@
 /* the below is for protecting the application from SIGPIPE */
 #include		<signal.h>
 typedef void (*Sfsignal_f) (int);
+#ifdef SIGPIPE
 static int _Sfsigp = 0;		/* # of streams needing SIGPIPE protection */
+#endif
 
 /* done at exiting time */
 static void _sfcleanup(void)
-- 
2.40.0