From 8ac8d9b18d3367607ce7392bce008721728e4571 Mon Sep 17 00:00:00 2001 From: Paul Eggert Date: Tue, 12 Jul 2011 00:54:29 -0700 Subject: [PATCH] * m4/gnulib-common.m4 (gl_COMMON_BODY): Add _Noreturn. --- ChangeLog | 4 ++++ m4/gnulib-common.m4 | 13 ++++++++++++- 2 files changed, 16 insertions(+), 1 deletion(-) diff --git a/ChangeLog b/ChangeLog index 471ce43be..d9254b133 100644 --- a/ChangeLog +++ b/ChangeLog @@ -1,3 +1,7 @@ +2011-07-12 Paul Eggert + + * m4/gnulib-common.m4 (gl_COMMON_BODY): Add _Noreturn. + 2011-07-11 Eric Blake ffs: new module diff --git a/m4/gnulib-common.m4 b/m4/gnulib-common.m4 index 843efe051..f3f0a7d16 100644 --- a/m4/gnulib-common.m4 +++ b/m4/gnulib-common.m4 @@ -1,4 +1,4 @@ -# gnulib-common.m4 serial 26 +# gnulib-common.m4 serial 27 dnl Copyright (C) 2007-2011 Free Software Foundation, Inc. dnl This file is free software; the Free Software Foundation dnl gives unlimited permission to copy and/or distribute it, @@ -12,6 +12,17 @@ AC_DEFUN([gl_COMMON], [ AC_REQUIRE([gl_COMMON_BODY]) ]) AC_DEFUN([gl_COMMON_BODY], [ + AH_VERBATIM([_Noreturn], +[/* The _Noreturn keyword of draft C1X. */ +#if ! defined _Noreturn && __STDC_VERSION__ < 201000L +# if (3 <= __GNUC__ || __GNUC__ == 2 && 8 <= __GNUC_MINOR__ \ + || 0x5110 <= __SUNPRO_C) +# define _Noreturn __attribute__ ((__noreturn__)) +# else +# define _Noreturn +# endif +#endif +]) AH_VERBATIM([isoc99_inline], [/* Work around a bug in Apple GCC 4.0.1 build 5465: In C99 mode, it supports the ISO C 99 semantics of 'extern inline' (unlike the GNU C semantics of -- 2.11.0