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configure.in: declare as NORETURN

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* 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
This commit is contained in:
nobu 2016-05-17 02:58:40 +00:00
parent 6f7f2e8b81
commit 565241f11f
2 changed files with 9 additions and 0 deletions
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6
ChangeLog
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@ -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

3
configure.in
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@ -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;}],
[