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view m4/strtoumax.m4 @ 17364:7524d97ae56f

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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 d4beb8189862
line wrap: on
line source

# strtoumax.m4 serial 11
dnl Copyright (C) 2002-2004, 2006, 2009-2013 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_STRTOUMAX],
[
  AC_REQUIRE([gl_INTTYPES_H_DEFAULTS])

  dnl On OSF/1 5.1 with cc, this function is declared but not defined.
  AC_CHECK_FUNCS_ONCE([strtoumax])
  AC_CHECK_DECLS_ONCE([strtoumax])
  if test "$ac_cv_have_decl_strtoumax" != yes; then
    HAVE_DECL_STRTOUMAX=0
  fi
])

# Prerequisites of lib/strtoumax.c.
AC_DEFUN([gl_PREREQ_STRTOUMAX], [
  AC_CHECK_DECLS([strtoull])
  AC_REQUIRE([AC_TYPE_UNSIGNED_LONG_LONG_INT])
])