1 files changed, 85 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..c714977d5d
--- /dev/null
+++ b/config/gcc-stl-wrapper.template.h
@@ -0,0 +1,85 @@
+/* -*- 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
+
+#if defined(__cpp_exceptions) && __cpp_exceptions
+#  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.h for cstdlib, cmath, type_traits, limits and iosfwd.
+// See bug 1245076 (cstdlib), bug 1720641 (cmath), bug 1594027 (type_traits,
+// limits) and bug 1694575 (iosfwd).
+// Please be careful when adding more exceptions, especially regarding
+// the header not directly or indirectly including <new>.
+#ifndef moz_dont_include_mozalloc_for_cstdlib
+#  define moz_dont_include_mozalloc_for_cstdlib
+#endif
+
+#ifndef moz_dont_include_mozalloc_for_cmath
+#  define moz_dont_include_mozalloc_for_cmath
+#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
+
+#ifndef moz_dont_include_mozalloc_for_iosfwd
+#  define moz_dont_include_mozalloc_for_iosfwd
+#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