Mercurial > gnulib
view m4/assert.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> |
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date | Fri, 29 Mar 2013 19:47:13 -0700 |
parents | e542fd46ad6f |
children | 344018b6e5d7 |
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#serial 7 # Copyright (C) 1998-1999, 2001, 2004, 2008-2013 Free Software Foundation, Inc. # This file is free software; the Free Software Foundation # gives unlimited permission to copy and/or distribute it, # with or without modifications, as long as this notice is preserved. dnl based on code from Eleftherios Gkioulekas dnl Autoconf 2.60 provides AC_HEADER_ASSERT for the same purpose, but dnl it has broken semantics for --enable-assert until 2.64. AC_DEFUN([gl_ASSERT], [ AC_MSG_CHECKING([whether to enable assertions]) AC_ARG_ENABLE([assert], [AS_HELP_STRING([--disable-assert], [turn off assertions])], [AS_IF([test "x$enableval" = xno], [AC_DEFINE([NDEBUG], [1], [Define to 1 if assertions should be disabled.])], [test "x$enableval" != xyes], [AC_MSG_WARN([invalid argument supplied to --enable-assert]) enable_assert=yes])], [enable_assert=yes]) AC_MSG_RESULT([$enable_assert]) ])