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cf93ecbbb2
The whole repository is now buildable with GNU Make Landlock sandboxing.
This proves that no Makefile targets exist which touch files other than
their declared prerequisites. In order to do this, we had to:
1. Stop code morphing GCC output in package.com and instead run a
newly introduced FIXUPOBJ.COM command after GCC invocations.
2. Disable all the crumby Python unit tests that do things like create
files in the current directory, or rename() files between folders.
This ended up being a lot of tests, but most of them are still ok.
3. Introduce an .UNSANDBOXED variable to GNU Make to disable Landlock.
We currently only do this for things like `make tags`.
4. This change deletes some GNU Make code that was preventing the
execve() optimization from working. This means it should no longer
be necessary in most cases for command invocations to be indirected
through the cocmd interpreter.
5. Missing dependencies had to be declared in certain places, in cases
where they couldn't be automatically determined by MKDEPS.COM
6. The libcxx header situation has finally been tamed. One of the
things that makes this difficult is MKDEPS.COM only wants to
consider the first 64kb of a file, in order to go fast. But libcxx
likes to have #include lines buried after huge documentation.
7. An .UNVEIL variable has been introduced to GNU Make just in case
we ever wish to explicitly specify additional things that need to
be whitelisted which aren't strictly prerequisites. This works in
a manner similar to the recently introduced .EXTRA_PREREQS feature.
There's now a new build/bootstrap/make.com prebuilt binary available. It
should no longer be possible to write invalid Makefile code.
220 lines
8.3 KiB
C++
220 lines
8.3 KiB
C++
// -*- C++ -*-
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//===--------------------------- iosfwd -----------------------------------===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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#ifndef _LIBCPP_IOSFWD
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#define _LIBCPP_IOSFWD
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#include "third_party/libcxx/__config"
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#include "third_party/libcxx/wchar.h" // for mbstate_t
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#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
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#pragma GCC system_header
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#endif
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_LIBCPP_BEGIN_NAMESPACE_STD
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/*
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iosfwd synopsis
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namespace std
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{
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template<class charT> struct char_traits;
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template<> struct char_traits<char>;
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template<> struct char_traits<char8_t>; // C++20
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template<> struct char_traits<char16_t>;
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template<> struct char_traits<char32_t>;
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template<> struct char_traits<wchar_t>;
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template<class T> class allocator;
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class ios_base;
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template <class charT, class traits = char_traits<charT> > class basic_ios;
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template <class charT, class traits = char_traits<charT> > class basic_streambuf;
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template <class charT, class traits = char_traits<charT> > class basic_istream;
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template <class charT, class traits = char_traits<charT> > class basic_ostream;
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template <class charT, class traits = char_traits<charT> > class basic_iostream;
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template <class charT, class traits = char_traits<charT>, class Allocator = allocator<charT> >
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class basic_stringbuf;
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template <class charT, class traits = char_traits<charT>, class Allocator = allocator<charT> >
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class basic_istringstream;
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template <class charT, class traits = char_traits<charT>, class Allocator = allocator<charT> >
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class basic_ostringstream;
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template <class charT, class traits = char_traits<charT>, class Allocator = allocator<charT> >
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class basic_stringstream;
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template <class charT, class traits = char_traits<charT> > class basic_filebuf;
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template <class charT, class traits = char_traits<charT> > class basic_ifstream;
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template <class charT, class traits = char_traits<charT> > class basic_ofstream;
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template <class charT, class traits = char_traits<charT> > class basic_fstream;
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template <class charT, class traits = char_traits<charT> > class istreambuf_iterator;
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template <class charT, class traits = char_traits<charT> > class ostreambuf_iterator;
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typedef basic_ios<char> ios;
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typedef basic_ios<wchar_t> wios;
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typedef basic_streambuf<char> streambuf;
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typedef basic_istream<char> istream;
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typedef basic_ostream<char> ostream;
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typedef basic_iostream<char> iostream;
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typedef basic_stringbuf<char> stringbuf;
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typedef basic_istringstream<char> istringstream;
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typedef basic_ostringstream<char> ostringstream;
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typedef basic_stringstream<char> stringstream;
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typedef basic_filebuf<char> filebuf;
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typedef basic_ifstream<char> ifstream;
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typedef basic_ofstream<char> ofstream;
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typedef basic_fstream<char> fstream;
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typedef basic_streambuf<wchar_t> wstreambuf;
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typedef basic_istream<wchar_t> wistream;
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typedef basic_ostream<wchar_t> wostream;
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typedef basic_iostream<wchar_t> wiostream;
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typedef basic_stringbuf<wchar_t> wstringbuf;
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typedef basic_istringstream<wchar_t> wistringstream;
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typedef basic_ostringstream<wchar_t> wostringstream;
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typedef basic_stringstream<wchar_t> wstringstream;
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typedef basic_filebuf<wchar_t> wfilebuf;
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typedef basic_ifstream<wchar_t> wifstream;
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typedef basic_ofstream<wchar_t> wofstream;
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typedef basic_fstream<wchar_t> wfstream;
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template <class state> class fpos;
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typedef fpos<char_traits<char>::state_type> streampos;
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typedef fpos<char_traits<wchar_t>::state_type> wstreampos;
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} // std
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*/
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class _LIBCPP_TYPE_VIS ios_base;
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template<class _CharT> struct _LIBCPP_TEMPLATE_VIS char_traits;
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template<> struct char_traits<char>;
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#ifndef _LIBCPP_NO_HAS_CHAR8_T
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template<> struct char_traits<char8_t>;
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#endif
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template<> struct char_traits<char16_t>;
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template<> struct char_traits<char32_t>;
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template<> struct char_traits<wchar_t>;
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template<class _Tp> class _LIBCPP_TEMPLATE_VIS allocator;
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template <class _CharT, class _Traits = char_traits<_CharT> >
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class _LIBCPP_TEMPLATE_VIS basic_ios;
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template <class _CharT, class _Traits = char_traits<_CharT> >
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class _LIBCPP_TEMPLATE_VIS basic_streambuf;
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template <class _CharT, class _Traits = char_traits<_CharT> >
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class _LIBCPP_TEMPLATE_VIS basic_istream;
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template <class _CharT, class _Traits = char_traits<_CharT> >
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class _LIBCPP_TEMPLATE_VIS basic_ostream;
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template <class _CharT, class _Traits = char_traits<_CharT> >
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class _LIBCPP_TEMPLATE_VIS basic_iostream;
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template <class _CharT, class _Traits = char_traits<_CharT>,
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class _Allocator = allocator<_CharT> >
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class _LIBCPP_TEMPLATE_VIS basic_stringbuf;
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template <class _CharT, class _Traits = char_traits<_CharT>,
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class _Allocator = allocator<_CharT> >
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class _LIBCPP_TEMPLATE_VIS basic_istringstream;
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template <class _CharT, class _Traits = char_traits<_CharT>,
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class _Allocator = allocator<_CharT> >
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class _LIBCPP_TEMPLATE_VIS basic_ostringstream;
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template <class _CharT, class _Traits = char_traits<_CharT>,
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class _Allocator = allocator<_CharT> >
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class _LIBCPP_TEMPLATE_VIS basic_stringstream;
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template <class _CharT, class _Traits = char_traits<_CharT> >
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class _LIBCPP_TEMPLATE_VIS basic_filebuf;
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template <class _CharT, class _Traits = char_traits<_CharT> >
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class _LIBCPP_TEMPLATE_VIS basic_ifstream;
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template <class _CharT, class _Traits = char_traits<_CharT> >
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class _LIBCPP_TEMPLATE_VIS basic_ofstream;
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template <class _CharT, class _Traits = char_traits<_CharT> >
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class _LIBCPP_TEMPLATE_VIS basic_fstream;
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template <class _CharT, class _Traits = char_traits<_CharT> >
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class _LIBCPP_TEMPLATE_VIS istreambuf_iterator;
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template <class _CharT, class _Traits = char_traits<_CharT> >
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class _LIBCPP_TEMPLATE_VIS ostreambuf_iterator;
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typedef basic_ios<char> ios;
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typedef basic_ios<wchar_t> wios;
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typedef basic_streambuf<char> streambuf;
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typedef basic_istream<char> istream;
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typedef basic_ostream<char> ostream;
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typedef basic_iostream<char> iostream;
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typedef basic_stringbuf<char> stringbuf;
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typedef basic_istringstream<char> istringstream;
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typedef basic_ostringstream<char> ostringstream;
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typedef basic_stringstream<char> stringstream;
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typedef basic_filebuf<char> filebuf;
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typedef basic_ifstream<char> ifstream;
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typedef basic_ofstream<char> ofstream;
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typedef basic_fstream<char> fstream;
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typedef basic_streambuf<wchar_t> wstreambuf;
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typedef basic_istream<wchar_t> wistream;
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typedef basic_ostream<wchar_t> wostream;
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typedef basic_iostream<wchar_t> wiostream;
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typedef basic_stringbuf<wchar_t> wstringbuf;
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typedef basic_istringstream<wchar_t> wistringstream;
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typedef basic_ostringstream<wchar_t> wostringstream;
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typedef basic_stringstream<wchar_t> wstringstream;
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typedef basic_filebuf<wchar_t> wfilebuf;
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typedef basic_ifstream<wchar_t> wifstream;
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typedef basic_ofstream<wchar_t> wofstream;
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typedef basic_fstream<wchar_t> wfstream;
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template <class _State> class _LIBCPP_TEMPLATE_VIS fpos;
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typedef fpos<mbstate_t> streampos;
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typedef fpos<mbstate_t> wstreampos;
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#ifndef _LIBCPP_NO_HAS_CHAR8_T
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typedef fpos<mbstate_t> u8streampos;
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#endif
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#ifndef _LIBCPP_HAS_NO_UNICODE_CHARS
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typedef fpos<mbstate_t> u16streampos;
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typedef fpos<mbstate_t> u32streampos;
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#endif // _LIBCPP_HAS_NO_UNICODE_CHARS
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#if defined(_NEWLIB_VERSION)
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// On newlib, off_t is 'long int'
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typedef long int streamoff; // for char_traits in <string>
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#else
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typedef long long streamoff; // for char_traits in <string>
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#endif
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template <class _CharT, // for <stdexcept>
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class _Traits = char_traits<_CharT>,
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class _Allocator = allocator<_CharT> >
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class _LIBCPP_TEMPLATE_VIS basic_string;
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typedef basic_string<char, char_traits<char>, allocator<char> > string;
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typedef basic_string<wchar_t, char_traits<wchar_t>, allocator<wchar_t> > wstring;
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// Include other forward declarations here
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template <class _Tp, class _Alloc = allocator<_Tp> >
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class _LIBCPP_TEMPLATE_VIS vector;
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_LIBCPP_END_NAMESPACE_STD
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#endif // _LIBCPP_IOSFWD
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