1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/config/gcc-stl-wrapper.template.h Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,69 @@
1.4 +/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*-
1.5 + * vim: sw=2 ts=8 et :
1.6 + */
1.7 +/* This Source Code Form is subject to the terms of the Mozilla Public
1.8 + * License, v. 2.0. If a copy of the MPL was not distributed with this
1.9 + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
1.10 +
1.11 +#ifndef mozilla_${HEADER}_h
1.12 +#define mozilla_${HEADER}_h
1.13 +
1.14 +// For some reason, Apple's GCC refuses to honor -fno-exceptions when
1.15 +// compiling ObjC.
1.16 +#if __EXCEPTIONS && !(__OBJC__ && __GNUC__ && XP_IOS)
1.17 +# error "STL code can only be used with -fno-exceptions"
1.18 +#endif
1.19 +
1.20 +// Silence "warning: #include_next is a GCC extension"
1.21 +#pragma GCC system_header
1.22 +
1.23 +#ifdef _WIN32
1.24 +// Suppress windef.h min and max macros - they make std::min/max not compile.
1.25 +#define NOMINMAX 1
1.26 +#endif
1.27 +
1.28 +// mozalloc.h wants <new>; break the cycle by always explicitly
1.29 +// including <new> here. NB: this is a tad sneaky. Sez the gcc docs:
1.30 +//
1.31 +// `#include_next' does not distinguish between <file> and "file"
1.32 +// inclusion, nor does it check that the file you specify has the
1.33 +// same name as the current file. It simply looks for the file
1.34 +// named, starting with the directory in the search path after the
1.35 +// one where the current file was found.
1.36 +#include_next <new>
1.37 +
1.38 +// See if we're in code that can use mozalloc. NB: this duplicates
1.39 +// code in nscore.h because nscore.h pulls in prtypes.h, and chromium
1.40 +// can't build with that being included before base/basictypes.h.
1.41 +#if !defined(XPCOM_GLUE) && !defined(NS_NO_XPCOM) && !defined(MOZ_NO_MOZALLOC)
1.42 +# include "mozilla/mozalloc.h"
1.43 +#else
1.44 +# error "STL code can only be used with infallible ::operator new()"
1.45 +#endif
1.46 +
1.47 +#if defined(DEBUG) && !defined(_GLIBCXX_DEBUG)
1.48 +// Enable checked iterators and other goodies
1.49 +//
1.50 +// FIXME/bug 551254: gcc's debug STL implementation requires -frtti.
1.51 +// Figure out how to resolve this with -fno-rtti. Maybe build with
1.52 +// -frtti in DEBUG builds?
1.53 +//
1.54 +// # define _GLIBCXX_DEBUG 1
1.55 +#endif
1.56 +
1.57 +#pragma GCC visibility push(default)
1.58 +#include_next <${HEADER}>
1.59 +#pragma GCC visibility pop
1.60 +
1.61 +// gcc calls a __throw_*() function from bits/functexcept.h when it
1.62 +// wants to "throw an exception". functexcept exists nominally to
1.63 +// support -fno-exceptions, but since we'll always use the system
1.64 +// libstdc++, and it's compiled with exceptions, then in practice
1.65 +// these __throw_*() functions will always throw exceptions (shades of
1.66 +// -fshort-wchar). We don't want that and so define our own inlined
1.67 +// __throw_*().
1.68 +#ifndef mozilla_throw_gcc_h
1.69 +# include "mozilla/throw_gcc.h"
1.70 +#endif
1.71 +
1.72 +#endif // if mozilla_${HEADER}_h
