From 76f1a0f70f27c48b4380cb1759bbb08bfca36866 Mon Sep 17 00:00:00 2001
From: Boris Zbarsky <bzbarsky@apple.com>
Date: Wed, 26 Jan 2022 09:05:53 -0500
Subject: [PATCH] Fix spake2p tool to compile on Darwin. (#14296)

It's using errno but not including the header that defines it.
---
 src/tools/spake2p/Cmd_GenVerifier.cpp | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/tools/spake2p/Cmd_GenVerifier.cpp b/src/tools/spake2p/Cmd_GenVerifier.cpp
index 8f1cd82f0280f6..d884c32ce59ade 100644
--- a/src/tools/spake2p/Cmd_GenVerifier.cpp
+++ b/src/tools/spake2p/Cmd_GenVerifier.cpp
@@ -29,6 +29,8 @@
 
 #include "spake2p.h"
 
+#include <errno.h>
+
 #include <CHIPVersion.h>
 #include <crypto/CHIPCryptoPAL.h>
 #include <lib/support/Base64.h>