| 1 | // Predefined symbols and macros -*- C++ -*-
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| 2 |
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| 3 | // Copyright (C) 1997, 1998, 1999, 2000, 2001, 2002, 2003
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| 4 | // Free Software Foundation, Inc.
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| 5 | //
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| 6 | // This file is part of the GNU ISO C++ Library. This library is free
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| 7 | // software; you can redistribute it and/or modify it under the
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| 8 | // terms of the GNU General Public License as published by the
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| 9 | // Free Software Foundation; either version 2, or (at your option)
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| 10 | // any later version.
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| 11 |
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| 12 | // This library is distributed in the hope that it will be useful,
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| 13 | // but WITHOUT ANY WARRANTY; without even the implied warranty of
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| 14 | // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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| 15 | // GNU General Public License for more details.
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| 16 |
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| 17 | // You should have received a copy of the GNU General Public License along
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| 18 | // with this library; see the file COPYING. If not, write to the Free
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| 19 | // Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307,
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| 20 | // USA.
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| 21 |
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| 22 | // As a special exception, you may use this file as part of a free software
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| 23 | // library without restriction. Specifically, if other files instantiate
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| 24 | // templates or use macros or inline functions from this file, or you compile
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| 25 | // this file and link it with other files to produce an executable, this
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| 26 | // file does not by itself cause the resulting executable to be covered by
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| 27 | // the GNU General Public License. This exception does not however
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| 28 | // invalidate any other reasons why the executable file might be covered by
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| 29 | // the GNU General Public License.
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| 30 |
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| 31 | #ifndef _CPP_CPPCONFIG
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| 32 | #define _CPP_CPPCONFIG 1
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| 33 |
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| 34 | // Pick up any OS-specific definitions.
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| 35 | #include <bits/os_defines.h>
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| 36 |
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| 37 | // The current version of the C++ library in compressed ISO date format.
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| 38 | #define __GLIBCPP__ 20040930
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| 39 |
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| 40 | // This is necessary until GCC supports separate template compilation.
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| 41 | #define _GLIBCPP_NO_TEMPLATE_EXPORT 1
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| 42 |
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| 43 | // This is a hack around not having either pre-compiled headers or
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| 44 | // export compilation. If defined, the io, string, and valarray
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| 45 | // headers will include all the necessary bits. If not defined, the
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| 46 | // implementation optimizes the headers for the most commonly-used
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| 47 | // types. For the io library, this means that larger, out-of-line
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| 48 | // member functions are only declared, and definitions are not parsed
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| 49 | // by the compiler, but instead instantiated into the library binary.
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| 50 | #define _GLIBCPP_FULLY_COMPLIANT_HEADERS 1
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| 51 |
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| 52 | // Allow use of the GNU syntax extension, "extern template." This
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| 53 | // extension is fully documented in the g++ manual, but in a nutshell,
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| 54 | // it inhibits all implicit instantiations and is used throughout the
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| 55 | // library to avoid multiple weak definitions for required types that
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| 56 | // are already explicitly instantiated in the library binary. This
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| 57 | // substantially reduces the binary size of resulting executables.
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| 58 | #ifndef _GLIBCPP_EXTERN_TEMPLATE
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| 59 | #define _GLIBCPP_EXTERN_TEMPLATE 1
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| 60 | #endif
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| 61 |
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| 62 | // To enable older, ARM-style iostreams and other anachronisms use this.
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| 63 | //#define _GLIBCPP_DEPRECATED 1
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| 64 |
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| 65 | // Use corrected code from the committee library group's issues list.
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| 66 | #define _GLIBCPP_RESOLVE_LIB_DEFECTS 1
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| 67 |
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| 68 | // Hopefully temporary workaround to autoconf/m4 issue with quoting '@'.
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| 69 | #define _GLIBCPP_AT_AT "@@"
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| 70 |
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| 71 | // In those parts of the standard C++ library that use a mutex instead
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| 72 | // of a spin-lock, we now unconditionally use GCC's gthr.h mutex
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| 73 | // abstraction layer. All support to directly map to various
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| 74 | // threading models has been removed. Note: gthr.h may well map to
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| 75 | // gthr-single.h which is a correct way to express no threads support
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| 76 | // in gcc. Support for the undocumented _NOTHREADS has been removed.
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| 77 |
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| 78 | // Default to the typically high-speed, pool-based allocator (as
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| 79 | // libstdc++-v2) instead of the malloc-based allocator (libstdc++-v3
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| 80 | // snapshots). See libstdc++-v3/docs/html/17_intro/howto.html for
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| 81 | // details on why you don't want to override this setting. Ensure
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| 82 | // that threads are properly configured on your platform before
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| 83 | // assigning blame to the STL container-memory allocator. After doing
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| 84 | // so, please report any possible issues to [email protected] .
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| 85 | // Do not define __USE_MALLOC on the command line. Enforce it here:
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| 86 | #ifdef __USE_MALLOC
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| 87 | #error __USE_MALLOC should never be defined. Read the release notes.
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| 88 | #endif
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| 89 |
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| 90 | // Create a boolean flag to be used to determine if --fast-math is set.
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| 91 | #ifdef __FAST_MATH__
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| 92 | #define _GLIBCPP_FAST_MATH 1
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| 93 | #else
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| 94 | #define _GLIBCPP_FAST_MATH 0
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| 95 | #endif
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| 96 |
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| 97 | // The remainder of the prewritten config is mostly automatic; all the
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| 98 | // user hooks are listed above.
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| 99 |
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| 100 | // End of prewritten config; the discovered settings follow.
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