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Jonathan Wakely 641cb5a675 Implement C++17 Filesystem library 
Based on Filesystem TS implementation, with the changes applied by:

- P0219R1 Relative Paths for Filesystem
- P0317R1 Directory Entry Caching for Filesystem
- P0492R2 Resolution of C++17 National Body Comments

Where appropriate code is shared between the TS and C++17
implementations.

	* include/Makefile.am: Add new headers for C++17 filesystem library.
	* include/Makefile.in: Regenerate.
	* include/bits/fs_dir.h: New header, based on Filesystem TS code in
	include/experimental/bits directory.
	* include/bits/fs_fwd.h: Likewise.
	* include/bits/fs_ops.h: Likewise.
	* include/bits/fs_path.h: Likewise.
	* include/experimental/bits/fs_dir.h: Rename Doxygen group.
	* include/experimental/bits/fs_fwd.h: Likewise.
	* include/experimental/bits/fs_ops.h: Likewise.
	* include/experimental/bits/fs_path.h: Likewise.
	* include/experimental/filesystem (filesystem_error::_M_gen_what):
	Remove inline definition.
	* include/precompiled/stdc++.h: Add <filesystem> to precompiled
	header.
	* include/std/filesystem: New header.
	* python/libstdcxx/v6/printers.py: Enable printer for std::filesystem
	paths.
	* src/filesystem/Makefile.am: Add new files. Compile as C++17.
	* src/filesystem/Makefile.in: Regenerate.
	* src/filesystem/cow-dir.cc: Update comment.
	* src/filesystem/cow-ops.cc: Likewise.
	* src/filesystem/cow-path.cc: Likewise.
	* src/filesystem/cow-std-dir.cc: New file.
	* src/filesystem/cow-std-ops.cc: New file.
	* src/filesystem/cow-std-path.cc: New file.
	* src/filesystem/dir-common.h (_Dir_base, get_file_type): New header
	for common code.
	* src/filesystem/dir.cc (_Dir): Derive from _Dir_base.
	(open_dir): Move to _Dir_base constructor.
	(get_file_type): Move to dir-common.h.
	(recurse): Move to _Dir_base::should_recurse.
	* src/filesystem/ops-common.h: New header for common code.
	* src/filesystem/ops.cc (is_set, make_file_type, make_file_status)
	(is_not_found_errno, file_time, do_copy_file): Move to ops-common.h.
	* src/filesystem/path.cc (filesystem_error::_M_gen_what): Define.
	* src/filesystem/std-dir.cc: New file, based on Filesystem TS code.
	* src/filesystem/std-ops.cc: Likewise.
	* src/filesystem/std-dir.cc: Likewise.
	* testsuite/27_io/filesystem/iterators/directory_iterator.cc: New
	test.
	* testsuite/27_io/filesystem/iterators/pop.cc: New test.
	* testsuite/27_io/filesystem/iterators/recursive_directory_iterator.cc:
	New test.
	* testsuite/27_io/filesystem/operations/absolute.cc: New test.
	* testsuite/27_io/filesystem/operations/canonical.cc: New test.
	* testsuite/27_io/filesystem/operations/copy.cc: New test.
	* testsuite/27_io/filesystem/operations/copy_file.cc: New test.
	* testsuite/27_io/filesystem/operations/create_directories.cc: New
	test.
	* testsuite/27_io/filesystem/operations/create_directory.cc: New test.
	* testsuite/27_io/filesystem/operations/create_symlink.cc: New test.
	* testsuite/27_io/filesystem/operations/current_path.cc: New test.
	* testsuite/27_io/filesystem/operations/equivalent.cc: New test.
	* testsuite/27_io/filesystem/operations/exists.cc: New test.
	* testsuite/27_io/filesystem/operations/file_size.cc: New test.
	* testsuite/27_io/filesystem/operations/is_empty.cc: New test.
	* testsuite/27_io/filesystem/operations/last_write_time.cc: New test.
	* testsuite/27_io/filesystem/operations/permissions.cc: New test.
	* testsuite/27_io/filesystem/operations/proximate.cc: New test.
	* testsuite/27_io/filesystem/operations/read_symlink.cc: New test.
	* testsuite/27_io/filesystem/operations/relative.cc: New test.
	* testsuite/27_io/filesystem/operations/remove_all.cc: New test.
	* testsuite/27_io/filesystem/operations/space.cc: New test.
	* testsuite/27_io/filesystem/operations/status.cc: New test.
	* testsuite/27_io/filesystem/operations/symlink_status.cc: New test.
	* testsuite/27_io/filesystem/operations/temp_directory_path.cc: New
	test.
	* testsuite/27_io/filesystem/operations/weakly_canonical.cc: New test.
	* testsuite/27_io/filesystem/path/append/path.cc: New test.
	* testsuite/27_io/filesystem/path/assign/assign.cc: New test.
	* testsuite/27_io/filesystem/path/assign/copy.cc: New test.
	* testsuite/27_io/filesystem/path/compare/compare.cc: New test.
	* testsuite/27_io/filesystem/path/compare/path.cc: New test.
	* testsuite/27_io/filesystem/path/compare/strings.cc: New test.
	* testsuite/27_io/filesystem/path/concat/path.cc: New test.
	* testsuite/27_io/filesystem/path/concat/strings.cc: New test.
	* testsuite/27_io/filesystem/path/construct/copy.cc: New test.
	* testsuite/27_io/filesystem/path/construct/default.cc: New test.
	* testsuite/27_io/filesystem/path/construct/locale.cc: New test.
	* testsuite/27_io/filesystem/path/construct/range.cc: New test.
	* testsuite/27_io/filesystem/path/construct/string_view.cc: New test.
	* testsuite/27_io/filesystem/path/decompose/extension.cc: New test.
	* testsuite/27_io/filesystem/path/decompose/filename.cc: New test.
	* testsuite/27_io/filesystem/path/decompose/parent_path.cc: New test.
	* testsuite/27_io/filesystem/path/decompose/relative_path.cc: New
	test.
	* testsuite/27_io/filesystem/path/decompose/root_directory.cc: New
	test.
	* testsuite/27_io/filesystem/path/decompose/root_name.cc: New test.
	* testsuite/27_io/filesystem/path/decompose/root_path.cc: New test.
	* testsuite/27_io/filesystem/path/decompose/stem.cc: New test.
	* testsuite/27_io/filesystem/path/generation/normal.cc: New test.
	* testsuite/27_io/filesystem/path/generation/proximate.cc: New test.
	* testsuite/27_io/filesystem/path/generation/relative.cc: New test.
	* testsuite/27_io/filesystem/path/generic/generic_string.cc: New test.
	* testsuite/27_io/filesystem/path/itr/traversal.cc: New test.
	* testsuite/27_io/filesystem/path/modifiers/clear.cc: New test.
	* testsuite/27_io/filesystem/path/modifiers/make_preferred.cc: New
	test.
	* testsuite/27_io/filesystem/path/modifiers/remove_filename.cc: New
	test.
	* testsuite/27_io/filesystem/path/modifiers/replace_extension.cc: New
	test.
	* testsuite/27_io/filesystem/path/modifiers/replace_filename.cc: New
	test.
	* testsuite/27_io/filesystem/path/modifiers/swap.cc: New test.
	* testsuite/27_io/filesystem/path/native/string.cc: New test.
	* testsuite/27_io/filesystem/path/nonmember/hash_value.cc: New test.
	* testsuite/27_io/filesystem/path/query/empty.cc: New test.
	* testsuite/27_io/filesystem/path/query/has_extension.cc: New test.
	* testsuite/27_io/filesystem/path/query/has_filename.cc: New test.
	* testsuite/27_io/filesystem/path/query/has_parent_path.cc: New test.
	* testsuite/27_io/filesystem/path/query/has_relative_path.cc: New
	test.
	* testsuite/27_io/filesystem/path/query/has_root_directory.cc: New
	test.
	* testsuite/27_io/filesystem/path/query/has_root_name.cc: New test.
	* testsuite/27_io/filesystem/path/query/has_root_path.cc: New test.
	* testsuite/27_io/filesystem/path/query/has_stem.cc: New test.
	* testsuite/27_io/filesystem/path/query/is_relative.cc: New test.
	* testsuite/experimental/filesystem/path/construct/string_view.cc:
	Define USE_FILESYSTEM_TS.
	* testsuite/util/testsuite_fs.h: Allow use with C++17 paths as well
	as Filesystem TS.

From-SVN: r254008
 		2017-10-23 13:11:22 +01:00
INSTALL
…
config Enable -flto in all PGO stages for bootstrap-lto-{,noplugin}.mk. 2017-06-19 13:20:20 +00:00
contrib Handle libbacktrace in contrib/gcc_update 2017-10-02 13:56:50 +02:00
fixincludes fixinc.in (dirname): Change sed from 's|[^/]*/||' to 's|[^/]*//*||'. 2017-10-13 09:28:41 -06:00
gcc tree-ssa-pre.c (bitmap_remove_from_set): Rename to... 2017-10-23 12:01:11 +00:00
gnattools re PR ada/81878 (--disable-bootstrap --enable-languages=ada fails) 2017-08-17 13:39:58 +00:00
gotools Fix some gotools testing problems 2017-09-19 07:51:49 +00:00
include Add gnu::unique_ptr 2017-10-16 20:50:40 +00:00
intl config-ml.in: Remove references to GCJ. 2016-11-15 16:34:02 +00:00
libada re PR ada/80921 (cross compiling fails to build Ada shared libraries) 2017-06-01 10:51:15 +00:00
libatomic [arm] Fix architecture selection when building libatomic with automatic FPU selection 2017-10-20 12:33:39 +00:00
libbacktrace ztest.c (test_large): Pass unsigned long *, not size_t *, to zlib uncompress function. 2017-10-06 13:37:20 +00:00
libcc1 [C++ PATCH] Move mangling alias out of :: 2017-10-04 16:55:54 +00:00
libcilkrts os-unix-sysdep.c (__cilkrts_getticks): Adjust preprocessor test for SPARC/Linux. 2017-06-23 17:33:43 +00:00
libcpp [PATCH] preprocessor stringizing raw strings 2017-10-10 18:56:31 +00:00
libdecnumber bid2dpd_dpd2bid.c (_bid_to_dpd32): Fix whitespace. 2017-06-29 11:35:03 -06:00
libffi Import from libffi master repository. 2017-10-03 14:26:31 -04:00
libgcc rl78.c (rl78_emit_libcall): New function. 2017-10-13 20:33:58 -04:00
libgfortran re PR libfortran/82233 (execute_command_line causes program to stop when command fails (or does not exist)) 2017-10-10 16:49:32 +00:00
libgo debug/dwarf: support 64-bit DWARF in byte order check 2017-10-20 18:34:36 +00:00
libgomp Restore "dg-do run" directives for libgomp.oacc-fortran/declare-*.f90 2017-10-17 13:17:00 +02:00
libhsail-rt [BRIGFE] Improved support for function and module scope group 2017-09-27 15:40:24 +00:00
libiberty PR82575, lto debugobj references __gnu_lto_slim, ld test liblto-17 fails 2017-10-20 09:36:20 +10:30
libitm PR c++/80560 - warn on undefined memory operations involving non-trivial types 2017-06-15 21:48:59 -06:00
libmpx * mpxrt/mpxrt-utils.h (__mpxrt_stop): New prototype. 2017-01-30 15:26:24 +01:00
libobjc [2/77] Add an E_ prefix to case statements 2017-08-30 11:08:28 +00:00
liboffloadmic libgomp: Provide prototypes for functions implemented by libgomp plugins 2017-01-31 15:32:58 +01:00
libquadmath re PR libquadmath/81848 (Add PowerPC support to libquadmath) 2017-09-01 22:10:57 +00:00
libsanitizer re PR sanitizer/82595 (bootstrap fails in libsanitizer on powerpc64-unknown-linux-gnu) 2017-10-20 09:32:35 +02:00
libssp ssp.c (__guard_setup): Suppress unused variable warning. 2017-04-02 00:35:58 +00:00
libstdc++-v3 Implement C++17 Filesystem library 2017-10-23 13:11:22 +01:00
libvtv re PR other/79046 (g++ -print-file-name=plugin uses full version number in path) 2017-01-21 09:47:11 +01:00
lto-plugin re PR lto/81487 ([mingw32] ld.exe: error: asprintf failed) 2017-07-21 15:58:14 +00:00
maintainer-scripts update_version_svn: Ignore the GCC 5 branch. 2017-10-10 15:10:28 +02:00
zlib re PR bootstrap/79771 (in-tree zlib breaks build) 2017-03-14 23:01:23 -06:00
.dir-locals.el
…
.gitattributes
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.gitignore
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ABOUT-NLS
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COPYING
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COPYING.LIB
…
COPYING.RUNTIME
…
COPYING3
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COPYING3.LIB
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ChangeLog MAINTAINERS (write after approval): Add myself. 2017-10-16 23:36:39 +02:00
ChangeLog.jit
…
ChangeLog.tree-ssa
…
MAINTAINERS MAINTAINERS (write after approval): Add myself. 2017-10-16 23:36:39 +02:00
Makefile.def re PR bootstrap/81217 (Makefile:22754: warning: overriding recipe for target 'profiledbootstrap') 2017-06-28 07:54:14 +00:00
Makefile.in re PR bootstrap/81217 (Makefile:22754: warning: overriding recipe for target 'profiledbootstrap') 2017-06-28 07:54:14 +00:00
Makefile.tpl Introduce 4-stages profiledbootstrap to get a better profile. 2017-06-19 13:19:56 +00:00
README
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compile
…
config-ml.in config-ml.in: Remove references to GCJ. 2016-11-15 16:34:02 +00:00
config.guess * config.guess: Import latest from upstream. 2017-03-18 18:22:06 +00:00
config.rpath
…
config.sub * config.sub: Import latest version. 2016-12-29 22:04:53 +11:00
configure configure.ac (target-libffi): Don't disable for AIX. 2017-07-28 14:56:28 -04:00
configure.ac configure.ac (target-libffi): Don't disable for AIX. 2017-07-28 14:56:28 -04:00
depcomp
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install-sh
…
libtool-ldflags
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libtool.m4
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ltgcc.m4
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ltmain.sh
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ltoptions.m4
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ltsugar.m4
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ltversion.m4
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lt~obsolete.m4
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missing
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mkdep
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mkinstalldirs
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move-if-change
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symlink-tree
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ylwrap
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README 

This directory contains the GNU Compiler Collection (GCC).

The GNU Compiler Collection is free software.  See the files whose
names start with COPYING for copying permission.  The manuals, and
some of the runtime libraries, are under different terms; see the
individual source files for details.

The directory INSTALL contains copies of the installation information
as HTML and plain text.  The source of this information is
gcc/doc/install.texi.  The installation information includes details
of what is included in the GCC sources and what files GCC installs.

See the file gcc/doc/gcc.texi (together with other files that it
includes) for usage and porting information.  An online readable
version of the manual is in the files gcc/doc/gcc.info*.

See http://gcc.gnu.org/bugs/ for how to report bugs usefully.

Copyright years on GCC source files may be listed using range
notation, e.g., 1987-2012, indicating that every year in the range,
inclusive, is a copyrightable year that could otherwise be listed
individually.