michael@0: /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*-
michael@0:  * vim: sw=2 ts=8 et :
michael@0:  */
michael@0: /* This Source Code Form is subject to the terms of the Mozilla Public
michael@0:  * License, v. 2.0. If a copy of the MPL was not distributed with this
michael@0:  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
michael@0: 
michael@0: #ifndef mozilla_${HEADER}_h
michael@0: #define mozilla_${HEADER}_h
michael@0: 
michael@0: // For some reason, Apple's GCC refuses to honor -fno-exceptions when
michael@0: // compiling ObjC.
michael@0: #if __EXCEPTIONS && !(__OBJC__ && __GNUC__ && XP_IOS)
michael@0: #  error "STL code can only be used with -fno-exceptions"
michael@0: #endif
michael@0: 
michael@0: // Silence "warning: #include_next is a GCC extension"
michael@0: #pragma GCC system_header
michael@0: 
michael@0: #ifdef _WIN32
michael@0: // Suppress windef.h min and max macros - they make std::min/max not compile.
michael@0: #define NOMINMAX 1
michael@0: #endif
michael@0: 
michael@0: // mozalloc.h wants <new>; break the cycle by always explicitly
michael@0: // including <new> here.  NB: this is a tad sneaky.  Sez the gcc docs:
michael@0: //
michael@0: //    `#include_next' does not distinguish between <file> and "file"
michael@0: //    inclusion, nor does it check that the file you specify has the
michael@0: //    same name as the current file. It simply looks for the file
michael@0: //    named, starting with the directory in the search path after the
michael@0: //    one where the current file was found.
michael@0: #include_next <new>
michael@0: 
michael@0: // See if we're in code that can use mozalloc.  NB: this duplicates
michael@0: // code in nscore.h because nscore.h pulls in prtypes.h, and chromium
michael@0: // can't build with that being included before base/basictypes.h.
michael@0: #if !defined(XPCOM_GLUE) && !defined(NS_NO_XPCOM) && !defined(MOZ_NO_MOZALLOC)
michael@0: #  include "mozilla/mozalloc.h"
michael@0: #else
michael@0: #  error "STL code can only be used with infallible ::operator new()"
michael@0: #endif
michael@0: 
michael@0: #if defined(DEBUG) && !defined(_GLIBCXX_DEBUG)
michael@0: // Enable checked iterators and other goodies
michael@0: //
michael@0: // FIXME/bug 551254: gcc's debug STL implementation requires -frtti.
michael@0: // Figure out how to resolve this with -fno-rtti.  Maybe build with
michael@0: // -frtti in DEBUG builds?
michael@0: //
michael@0: //  # define _GLIBCXX_DEBUG 1
michael@0: #endif
michael@0: 
michael@0: #pragma GCC visibility push(default)
michael@0: #include_next <${HEADER}>
michael@0: #pragma GCC visibility pop
michael@0: 
michael@0: // gcc calls a __throw_*() function from bits/functexcept.h when it
michael@0: // wants to "throw an exception".  functexcept exists nominally to
michael@0: // support -fno-exceptions, but since we'll always use the system
michael@0: // libstdc++, and it's compiled with exceptions, then in practice
michael@0: // these __throw_*() functions will always throw exceptions (shades of
michael@0: // -fshort-wchar).  We don't want that and so define our own inlined
michael@0: // __throw_*().
michael@0: #ifndef mozilla_throw_gcc_h
michael@0: #  include "mozilla/throw_gcc.h"
michael@0: #endif
michael@0: 
michael@0: #endif  // if mozilla_${HEADER}_h