From b3007e552331d93bfd10d428f4f221b591fb6a44 Mon Sep 17 00:00:00 2001
From: Yuta Saito <kateinoigakukun@gmail.com>
Date: Fri, 10 Jun 2022 14:04:50 +0000
Subject: [PATCH] [stubs] include unistd.h to repair
 swift-threading-package=none build

`syscall` and `read` were missing when `swift-threading-package=none`
---
 stdlib/public/stubs/Random.cpp | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/stdlib/public/stubs/Random.cpp b/stdlib/public/stubs/Random.cpp
index 4a44682761656..5c4981e613119 100644
--- a/stdlib/public/stubs/Random.cpp
+++ b/stdlib/public/stubs/Random.cpp
@@ -39,6 +39,10 @@
 
 #endif
 
+#if __has_include(<unistd.h>)
+#include <unistd.h>
+#endif
+
 #include <stdlib.h>
 
 #include "SwiftShims/Random.h"