Mercurial > gnulib
view m4/strnlen.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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# strnlen.m4 serial 13 dnl Copyright (C) 2002-2003, 2005-2007, 2009-2013 Free Software Foundation, dnl 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_STRNLEN], [ AC_REQUIRE([gl_HEADER_STRING_H_DEFAULTS]) dnl Persuade glibc <string.h> to declare strnlen(). AC_REQUIRE([AC_USE_SYSTEM_EXTENSIONS]) AC_CHECK_DECLS_ONCE([strnlen]) if test $ac_cv_have_decl_strnlen = no; then HAVE_DECL_STRNLEN=0 else m4_pushdef([AC_LIBOBJ], [:]) dnl Note: AC_FUNC_STRNLEN does AC_LIBOBJ([strnlen]). AC_FUNC_STRNLEN m4_popdef([AC_LIBOBJ]) if test $ac_cv_func_strnlen_working = no; then REPLACE_STRNLEN=1 fi fi ]) # Prerequisites of lib/strnlen.c. AC_DEFUN([gl_PREREQ_STRNLEN], [:])