shyouhei	2018-01-02 15:41:48 +0900 (Tue, 02 Jan 2018)

  New Revision: 61551

  https://svn.ruby-lang.org/cgi-bin/viewvc.cgi?view=revision&revision=61551

  Log:
    flexible array member is a C99ism

  Modified files:
    trunk/ext/bigdecimal/bigdecimal.h
Index: ext/bigdecimal/bigdecimal.h
===================================================================
--- ext/bigdecimal/bigdecimal.h	(revision 61550)
+++ ext/bigdecimal/bigdecimal.h	(revision 61551)
@@ -227,7 +227,9 @@ extern VALUE rb_cBigDecimal; https://github.com/ruby/ruby/blob/trunk/ext/bigdecimal/bigdecimal.h#L227
 #define VP_SIGN_POSITIVE_INFINITE  3 /* Positive infinite number */
 #define VP_SIGN_NEGATIVE_INFINITE -3 /* Negative infinite number */
 
-#ifdef __GNUC__
+#if defined(__STDC_VERSION__) && (__STDC_VERSION__ >= 199901L)
+#define	FLEXIBLE_ARRAY_SIZE /* */
+#elif defined(__GNUC__) && !defined(__STRICT_ANSI__)
 #define	FLEXIBLE_ARRAY_SIZE 0
 #else
 #define	FLEXIBLE_ARRAY_SIZE 1

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