https://git.ruby-lang.org/ruby.git/commit/?id=442525527e

From 442525527e2fa052e6d8752adffeaa0855b75ff7 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E5=8D=9C=E9=83=A8=E6=98=8C=E5=B9=B3?=
 <shyouhei@r...>
Date: Wed, 22 Jul 2020 13:02:33 +0900
Subject: improve deprecation warning

We should not recommend RBIMPL_*.

diff --git a/include/ruby/backward/2/attributes.h b/include/ruby/backward/2/attributes.h
index 74dca62..eaff9e3 100644
--- a/include/ruby/backward/2/attributes.h
+++ b/include/ruby/backward/2/attributes.h
@@ -61,21 +61,18 @@ https://github.com/ruby/ruby/blob/trunk/include/ruby/backward/2/attributes.h#L61
 
 #undef DEPRECATED_TYPE
 #if defined(__GNUC__)
-# define DEPRECATED_TYPE(mesg, decl)                    \
-    _Pragma("message \"DEPRECATED_TYPE is deprecated, " \
-            "use RBIMPL_ATTR_DEPRECATED instead\"");    \
+# define DEPRECATED_TYPE(mesg, decl)                      \
+    _Pragma("message \"DEPRECATED_TYPE is deprecated\""); \
     decl RBIMPL_ATTR_DEPRECATED(mseg)
 #elif defined(_MSC_VER)
 # pragma deprecated(DEPRECATED_TYPE)
 # define DEPRECATED_TYPE(mesg, decl)                              \
     __pragma(message(__FILE__"("STRINGIZE(__LINE__)"): warning: " \
-                     "DEPRECATED_TYPE is deprecated, "            \
-                     "use RBIMPL_ATTR_DEPRECATED instead"))       \
+                     "DEPRECATED_TYPE is deprecated"))            \
     decl RBIMPL_ATTR_DEPRECATED(mseg)
 #else
 # define DEPRECATED_TYPE(mesg, decl)                    \
-    <-<-"DEPRECATED_TYPE is deprecated, "               \
-        "use RBIMPL_ATTR_DEPRECATED instead"->->
+    <-<-"DEPRECATED_TYPE is deprecated"->->
 #endif
 
 #undef RUBY_CXX_DEPRECATED
-- 
cgit v0.10.2


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