From 48fb6299c6ad4fe970c05c5e30a0f6284d771164 Mon Sep 17 00:00:00 2001
From: Nobuyoshi Nakada <nobu@ruby-lang.org>
Date: Sun, 28 Jun 2020 10:34:01 +0900
Subject: [ruby/fiddle] support for very old libffi

Define `Fiddle::TYPE_VARIADIC` only when `ffi_prep_cif_var` is
available, otherwise skip the test for it.
---
 ext/fiddle/fiddle.c | 2 ++
 1 file changed, 2 insertions(+)

(limited to 'ext/fiddle')

diff --git a/ext/fiddle/fiddle.c b/ext/fiddle/fiddle.c
index 96356311c7..8fb20e8ce2 100644
--- a/ext/fiddle/fiddle.c
+++ b/ext/fiddle/fiddle.c
@@ -227,11 +227,13 @@ Init_fiddle(void)
      */
     rb_define_const(mFiddle, "TYPE_DOUBLE",    INT2NUM(TYPE_DOUBLE));
 
+#ifdef HAVE_FFI_PREP_CIF_VAR
     /* Document-const: TYPE_VARIADIC
      *
      * C type - ...
      */
     rb_define_const(mFiddle, "TYPE_VARIADIC",  INT2NUM(TYPE_VARIADIC));
+#endif
 
     /* Document-const: TYPE_SIZE_T
      *
-- 
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