From 2c0f2eb9f83bbba0c55cdf01479ee08a0eee4c40 Mon Sep 17 00:00:00 2001
From: Masaki Muranaka <monaka@monami-ya.jp>
Date: Sun, 7 Apr 2013 12:51:13 +0900
Subject: Add ARGV constant. It is not required by ISO. Compatibility with
 CRuby.

---
 tools/mirb/mirb.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/tools/mirb/mirb.c b/tools/mirb/mirb.c
index ba400bf95..334f9359c 100644
--- a/tools/mirb/mirb.c
+++ b/tools/mirb/mirb.c
@@ -10,6 +10,7 @@
 #include <string.h>
 
 #include <mruby.h>
+#include "mruby/array.h"
 #include <mruby/proc.h>
 #include <mruby/data.h>
 #include <mruby/compile.h>
@@ -236,6 +237,7 @@ main(int argc, char **argv)
     fputs("Invalid mrb interpreter, exiting mirb\n", stderr);
     return EXIT_FAILURE;
   }
+  mrb_define_global_const(mrb, "ARGV", mrb_ary_new_capa(mrb, 0));
 
   n = parse_args(mrb, argc, argv, &args);
   if (n == EXIT_FAILURE) {
-- 
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