libstdc++
os_defines.h
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00001 // Specific definitions for GNU/Linux  -*- C++ -*-
00002 
00003 // Copyright (C) 2000-2015 Free Software Foundation, Inc.
00004 //
00005 // This file is part of the GNU ISO C++ Library.  This library is free
00006 // software; you can redistribute it and/or modify it under the
00007 // terms of the GNU General Public License as published by the
00008 // Free Software Foundation; either version 3, or (at your option)
00009 // any later version.
00010 
00011 // This library is distributed in the hope that it will be useful,
00012 // but WITHOUT ANY WARRANTY; without even the implied warranty of
00013 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
00014 // GNU General Public License for more details.
00015 
00016 // Under Section 7 of GPL version 3, you are granted additional
00017 // permissions described in the GCC Runtime Library Exception, version
00018 // 3.1, as published by the Free Software Foundation.
00019 
00020 // You should have received a copy of the GNU General Public License and
00021 // a copy of the GCC Runtime Library Exception along with this program;
00022 // see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see
00023 // <http://www.gnu.org/licenses/>.
00024 
00025 /** @file bits/os_defines.h
00026  *  This is an internal header file, included by other library headers.
00027  *  Do not attempt to use it directly. @headername{iosfwd}
00028  */
00029 
00030 #ifndef _GLIBCXX_OS_DEFINES
00031 #define _GLIBCXX_OS_DEFINES 1
00032 
00033 // System-specific #define, typedefs, corrections, etc, go here.  This
00034 // file will come before all others.
00035 
00036 // This keeps isanum, et al from being propagated as macros.
00037 #define __NO_CTYPE 1
00038 
00039 #include <features.h>
00040 
00041 // Provide a declaration for the possibly deprecated gets function, as
00042 // glibc 2.15 and later does not declare gets for ISO C11 when
00043 // __GNU_SOURCE is defined.
00044 #if __GLIBC_PREREQ(2,15) && defined(_GNU_SOURCE)
00045 # undef _GLIBCXX_HAVE_GETS
00046 #endif
00047 
00048 #endif