From 43695029bc33bdcd47cdc006206d0dda2f8bb1a3 Mon Sep 17 00:00:00 2001
From: "Yukihiro \"Matz\" Matsumoto" <matz@ruby.or.jp>
Date: Thu, 16 Oct 2025 15:44:51 +0900
Subject: [PATCH] mruby-dir: add missing unistd.h include for posix systems

mkdtemp() requires unistd.h on posix systems like macos and linux.

Co-authored-by: Claude <noreply@anthropic.com>
---
 mrbgems/mruby-dir/test/dirtest.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/mrbgems/mruby-dir/test/dirtest.c b/mrbgems/mruby-dir/test/dirtest.c
index 3fbbdebcd..4f05080c6 100644
--- a/mrbgems/mruby-dir/test/dirtest.c
+++ b/mrbgems/mruby-dir/test/dirtest.c
@@ -13,6 +13,8 @@
 #if defined(_WIN32)
 #include <io.h>
 #include <direct.h>
+#else
+#include <unistd.h>
 #endif
 
 static void