From 67606170e3ca001ecd6885dac957f4bbdb094bad Mon Sep 17 00:00:00 2001
From: dearblue <dearblue@users.osdn.me>
Date: Sun, 8 Mar 2020 21:34:23 +0900
Subject: Add configuration guard for `MRB_DISABLE_STDIO`

ref #4576 and ref #4947

* Need MRBAPI functions without `MRB_DISABLE_STDIO`:
  * mrbgems/mruby-bin-debugger
  * mrbgems/mruby-bin-mirb
  * mrbgems/mruby-bin-mrbc
  * mrbgems/mruby-bin-mruby
  * mrbgems/mruby-bin-strip
* Need `stdio.h`:
  * mrbgems/mruby-io
  * mrbgems/mruby-print
* Need `snprintf()` in `stdio.h`:
  * mrbgems/mruby-pack
  * mrbgems/mruby-sprintf
---
 mrbgems/mruby-print/src/print.c | 5 +++++
 1 file changed, 5 insertions(+)

(limited to 'mrbgems/mruby-print')

diff --git a/mrbgems/mruby-print/src/print.c b/mrbgems/mruby-print/src/print.c
index 04c7c82c6..66d070f60 100644
--- a/mrbgems/mruby-print/src/print.c
+++ b/mrbgems/mruby-print/src/print.c
@@ -1,4 +1,9 @@
 #include <mruby.h>
+
+#ifdef MRB_DISABLE_STDIO
+# error print conflicts 'MRB_DISABLE_STDIO' configuration in your 'build_config.rb'
+#endif
+
 #include <mruby/string.h>
 #include <string.h>
 #include <stdlib.h>
-- 
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