pjs/config/gcc-stl-wrapper.template.h

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3.8 KiB
C

/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*-
* vim: sw=2 ts=8 et :
*/
/* ***** BEGIN LICENSE BLOCK *****
* Version: MPL 1.1/GPL 2.0/LGPL 2.1
*
* The contents of this file are subject to the Mozilla Public License Version
* 1.1 (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at:
* http://www.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the
* License.
*
* The Original Code is Mozilla Code.
*
* The Initial Developer of the Original Code is
* The Mozilla Foundation
* Portions created by the Initial Developer are Copyright (C) 2010
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
* Chris Jones <jones.chris.g@gmail.com>
*
* Alternatively, the contents of this file may be used under the terms of
* either the GNU General Public License Version 2 or later (the "GPL"), or
* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
* in which case the provisions of the GPL or the LGPL are applicable instead
* of those above. If you wish to allow use of your version of this file only
* under the terms of either the GPL or the LGPL, and not to allow others to
* use your version of this file under the terms of the MPL, indicate your
* decision by deleting the provisions above and replace them with the notice
* and other provisions required by the GPL or the LGPL. If you do not delete
* the provisions above, a recipient may use your version of this file under
* the terms of any one of the MPL, the GPL or the LGPL.
*
* ***** END LICENSE BLOCK ***** */
#ifndef mozilla_${HEADER}_h
#define mozilla_${HEADER}_h
#if __EXCEPTIONS
# error "STL code can only be used with -fno-exceptions"
#endif
// Silence "warning: #include_next is a GCC extension"
#pragma GCC system_header
// mozalloc.h wants <new>; break the cycle by always explicitly
// including <new> here. NB: this is a tad sneaky. Sez the gcc docs:
//
// `#include_next' does not distinguish between <file> and "file"
// inclusion, nor does it check that the file you specify has the
// same name as the current file. It simply looks for the file
// named, starting with the directory in the search path after the
// one where the current file was found.
#include_next <new>
// See if we're in code that can use mozalloc. NB: this duplicates
// code in nscore.h because nscore.h pulls in prtypes.h, and chromium
// can't build with that being included before base/basictypes.h.
#if !defined(XPCOM_GLUE) && !defined(NS_NO_XPCOM) && !defined(MOZ_NO_MOZALLOC)
# include "mozilla/mozalloc.h"
#else
# error "STL code can only be used with infallible ::operator new()"
#endif
#if defined(DEBUG) && !defined(_GLIBCXX_DEBUG)
// Enable checked iterators and other goodies
//
// FIXME/bug 551254: gcc's debug STL implementation requires -frtti.
// Figure out how to resolve this with -fno-rtti. Maybe build with
// -frtti in DEBUG builds?
//
// # define _GLIBCXX_DEBUG 1
#endif
#pragma GCC visibility push(default)
#include_next <${HEADER}>
#pragma GCC visibility pop
// gcc calls a __throw_*() function from bits/functexcept.h when it
// wants to "throw an exception". functexcept exists nominally to
// support -fno-exceptions, but since we'll always use the system
// libstdc++, and it's compiled with exceptions, then in practice
// these __throw_*() functions will always throw exceptions (shades of
// -fshort-wchar). We don't want that and so define our own inlined
// __throw_*().
#ifndef mozilla_throw_gcc_h
# include "mozilla/throw_gcc.h"
#endif
#endif // if mozilla_${HEADER}_h