From 4a27dd0e8a6ca46a2b1f6d84b003605327ddb843 Mon Sep 17 00:00:00 2001
From: take_cheeze <takechi101010@gmail.com>
Date: Sun, 8 Jun 2014 23:04:22 +0900
Subject: Use `_Static_assert` when C11 is available and use it in pointer size
 check.

---
 include/mruby.h | 6 ++++++
 1 file changed, 6 insertions(+)

(limited to 'include')

diff --git a/include/mruby.h b/include/mruby.h
index 390d593bc..c73f7c630 100644
--- a/include/mruby.h
+++ b/include/mruby.h
@@ -429,6 +429,12 @@ void mrb_atexit(mrb_state *mrb, mrb_atexit_func func);
 #define mrb_assert_int_fit(t1,n,t2,max) ((void)0)
 #endif
 
+#if __STDC_VERSION__ >= 201112L
+#define mrb_static_assert(exp, str) _Static_assert(exp, str)
+#else
+#define mrb_static_assert(exp, str) typedef char mrb_static_assert ## __LINE__[exp]
+#endif
+
 mrb_value mrb_format(mrb_state *mrb, const char *format, ...);
 
 #if defined(__cplusplus)
-- 
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