From 314346ad7b7248421af13633ad1bdec704799afe Mon Sep 17 00:00:00 2001
From: nobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Tue, 17 May 2016 02:58:40 +0000
Subject: configure.in: declare as NORETURN

* configure.in (RUBY_CHECK_BUILTIN_SETJMP): declare t as NORETURN
  to suppress warnings by -Wsuggest-attribute=noreturn.
  [ruby-core:75510] [Bug #12383]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@55023 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 ChangeLog    | 6 ++++++
 configure.in | 3 +++
 2 files changed, 9 insertions(+)

diff --git a/ChangeLog b/ChangeLog
index 7e1a6fd5c7..b9d78c8cd7 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,9 @@
+Tue May 17 11:58:58 2016  Nobuyoshi Nakada  <nobu@ruby-lang.org>
+
+	* configure.in (RUBY_CHECK_BUILTIN_SETJMP): declare t as NORETURN
+	  to suppress warnings by -Wsuggest-attribute=noreturn.
+	  [ruby-core:75510] [Bug #12383]
+
 Tue May 17 10:40:18 2016  Nobuyoshi Nakada  <nobu@ruby-lang.org>
 
 	* configure.in (RUBY_CHECK_SETJMP): needs the header and proper
diff --git a/configure.in b/configure.in
index 30187626cf..872532a240 100644
--- a/configure.in
+++ b/configure.in
@@ -2603,6 +2603,9 @@ AC_CACHE_CHECK(for __builtin_setjmp, ac_cv_func___builtin_setjmp,
 	[AC_TRY_LINK([@%:@include <setjmp.h>
 	    @%:@include <stdio.h>
 	    jmp_buf jb;
+	    @%:@ifdef NORETURN
+	    NORETURN(void t(void));
+	    @%:@endif
 	    void t(void) {__builtin_longjmp($cast jb, 1);}
 	    int jump(void) {(void)(__builtin_setjmp($cast jb) ? 1 : 0); return 0;}],
 	    [
-- 
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