From c96b517ea28efe7f45a91873142d6449b2a4c59c Mon Sep 17 00:00:00 2001
From: dearblue <dearblue@users.noreply.github.com>
Date: Sun, 14 Jul 2019 00:29:17 +0900
Subject: Error needed/conflicts configuration

The purpose is to clarify the error if there is a needed/conflicts
configuration at compile time.
---
 mrbgems/mruby-range-ext/src/range.c | 4 ++++
 1 file changed, 4 insertions(+)

(limited to 'mrbgems/mruby-range-ext')

diff --git a/mrbgems/mruby-range-ext/src/range.c b/mrbgems/mruby-range-ext/src/range.c
index 1f6690904..fb76fe0d8 100644
--- a/mrbgems/mruby-range-ext/src/range.c
+++ b/mrbgems/mruby-range-ext/src/range.c
@@ -1,3 +1,7 @@
+#ifdef MRB_WITHOUT_FLOAT
+# error Conflict 'MRB_WITHOUT_FLOAT' configuration in your 'build_config.rb'
+#endif
+
 #include <mruby.h>
 #include <mruby/range.h>
 #include <math.h>
-- 
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