os_defines.h revision 1.6
1// Specific definitions for newlib -*- C++ -*- 2 3// Copyright (C) 2000-2016 Free Software Foundation, Inc. 4// 5// This file is part of the GNU ISO C++ Library. This library is free 6// software; you can redistribute it and/or modify it under the 7// terms of the GNU General Public License as published by the 8// Free Software Foundation; either version 3, or (at your option) 9// any later version. 10 11// This library is distributed in the hope that it will be useful, 12// but WITHOUT ANY WARRANTY; without even the implied warranty of 13// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 14// GNU General Public License for more details. 15 16// Under Section 7 of GPL version 3, you are granted additional 17// permissions described in the GCC Runtime Library Exception, version 18// 3.1, as published by the Free Software Foundation. 19 20// You should have received a copy of the GNU General Public License and 21// a copy of the GCC Runtime Library Exception along with this program; 22// see the files COPYING3 and COPYING.RUNTIME respectively. If not, see 23// <http://www.gnu.org/licenses/>. 24 25/** @file bits/os_defines.h 26 * This is an internal header file, included by other library headers. 27 * Do not attempt to use it directly. @headername{iosfwd} 28 */ 29 30#ifndef _GLIBCXX_OS_DEFINES 31#define _GLIBCXX_OS_DEFINES 1 32 33// System-specific #define, typedefs, corrections, etc, go here. This 34// file will come before all others. 35 36#ifdef __CYGWIN__ 37#define _GLIBCXX_GTHREAD_USE_WEAK 0 38 39#if defined (_GLIBCXX_DLL) 40#define _GLIBCXX_PSEUDO_VISIBILITY_default __attribute__ ((__dllimport__)) 41#else 42#define _GLIBCXX_PSEUDO_VISIBILITY_default 43#endif 44#define _GLIBCXX_PSEUDO_VISIBILITY_hidden 45 46#define _GLIBCXX_PSEUDO_VISIBILITY(V) _GLIBCXX_PSEUDO_VISIBILITY_ ## V 47 48// See libstdc++/20806. 49#define _GLIBCXX_HAVE_DOS_BASED_FILESYSTEM 1 50 51// Enable use of GetModuleHandleEx (requires Windows XP/2003) in 52// __cxa_thread_atexit to prevent modules from being unloaded before 53// their dtors are called 54#define _GLIBCXX_THREAD_ATEXIT_WIN32 1 55 56// See libstdc++/69506 57#define _GLIBCXX_USE_WEAK_REF 0 58 59#endif 60 61#endif 62