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