Mercurial > gnulib
view m4/fegetround.m4 @ 17364:7524d97ae56f
stdalign: port to stricter ISO C11
ISO C11 says that _Alignof's operand must be a parenthesized type.
Problem reported by Eli Zaretskii in
<http://lists.gnu.org/archive/html/emacs-devel/2013-03/msg00960.html>.
* doc/posix-headers/stdalign.texi (stdalign.h): Document this.
* m4/stdalign.m4 (gl_STDALIGN_H): Don't use _Alignof (expr).
| author | Paul Eggert <eggert@cs.ucla.edu> |
|---|---|
| date | Fri, 29 Mar 2013 19:47:13 -0700 |
| parents | e542fd46ad6f |
| children | 344018b6e5d7 |
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# fegetround.m4 serial 1 dnl Copyright (C) 2011-2013 Free Software Foundation, Inc. dnl This file is free software; the Free Software Foundation dnl gives unlimited permission to copy and/or distribute it, dnl with or without modifications, as long as this notice is preserved. AC_DEFUN([gl_FUNC_FEGETROUND], [ dnl Determine FEGETROUND_LIBM. gl_MATHFUNC([fegetround], [int], [(void)], [#include <fenv.h>]) if test $gl_cv_func_fegetround_no_libm = no \ && test $gl_cv_func_fegetround_in_libm = no; then HAVE_FEGETROUND=0 else HAVE_FEGETROUND=1 AC_DEFINE([HAVE_FEGETROUND], [1], [Define to 1 if you have the 'fegetround' function.]) fi AC_SUBST([FEGETROUND_LIBM]) ])