diff options
Diffstat (limited to 'config/gcc-stl-wrapper.template.h')
-rw-r--r-- | config/gcc-stl-wrapper.template.h | 75 |
1 files changed, 75 insertions, 0 deletions
diff --git a/config/gcc-stl-wrapper.template.h b/config/gcc-stl-wrapper.template.h new file mode 100644 index 0000000000..9fe70fbaab --- /dev/null +++ b/config/gcc-stl-wrapper.template.h @@ -0,0 +1,75 @@ +/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- + * vim: sw=2 ts=8 et : + */ +/* This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ + +#ifndef mozilla_${HEADER}_h +#define mozilla_${HEADER}_h + +// For some reason, Apple's GCC refuses to honor -fno-exceptions when +// compiling ObjC. +#if defined(__EXCEPTIONS) && __EXCEPTIONS && !(__OBJC__ && __GNUC__ && XP_IOS) +# error "STL code can only be used with -fno-exceptions" +#endif + +// Silence "warning: #include_next is a GCC extension" +#pragma GCC system_header + +#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 + +// Don't include mozalloc for cstdlib. See bug 1245076. +#ifndef moz_dont_include_mozalloc_for_cstdlib +# define moz_dont_include_mozalloc_for_cstdlib +#endif + +#ifndef moz_dont_include_mozalloc_for_type_traits +# define moz_dont_include_mozalloc_for_type_traits +#endif + +#ifndef moz_dont_include_mozalloc_for_limits +# define moz_dont_include_mozalloc_for_limits +#endif + +// Include mozalloc after the STL header and all other headers it includes +// have been preprocessed. +#if !defined(MOZ_INCLUDE_MOZALLOC_H) && \ + !defined(moz_dont_include_mozalloc_for_${HEADER}) +# define MOZ_INCLUDE_MOZALLOC_H +# define MOZ_INCLUDE_MOZALLOC_H_FROM_${HEADER} +#endif + +#pragma GCC visibility push(default) +#include_next <${HEADER}> +#pragma GCC visibility pop + +#ifdef MOZ_INCLUDE_MOZALLOC_H_FROM_${HEADER} +// See if we're in code that can use mozalloc. +# if !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 +#endif + +// 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 |