Mercurial > gnulib
view m4/func.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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# func.m4 serial 2 dnl Copyright (C) 2008-2013 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. # Written by Simon Josefsson AC_DEFUN([gl_FUNC], [ AC_CACHE_CHECK([whether __func__ is available], [gl_cv_var_func], AC_COMPILE_IFELSE( [AC_LANG_PROGRAM([[]], [[const char *str = __func__;]])], [gl_cv_var_func=yes], [gl_cv_var_func=no])) if test "$gl_cv_var_func" != yes; then AC_DEFINE([__func__], ["<unknown function>"], [Define as a replacement for the ISO C99 __func__ variable.]) fi ])