Recommit working copy to repo with proper line endings.

1 files changed, 69 insertions, 0 deletions

diff --git a/config/gcc-stl-wrapper.template.h b/config/gcc-stl-wrapper.template.h
new file mode 100644
index 000000000..e0b6490d9
--- /dev/null
+++ b/config/gcc-stl-wrapper.template.h
@@ -0,0 +1,69 @@
+/* -*- 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 __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
+
+#ifdef _WIN32
+// Suppress windef.h min and max macros - they make std::min/max not compile.
+#define NOMINMAX 1
+#endif
+
+// 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