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[libc++] Build <filesystem> support as part of the dylib
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Summary:
This patch treats <filesystem> as a first-class citizen of the dylib,
like all other sub-libraries (e.g. <chrono>). As such, it also removes
all special handling for installing the filesystem library separately
or disabling part of the test suite from the lit command line.

Unlike the previous attempt (r356500), this doesn't remove all the
filesystem tests.

Reviewers: mclow.lists, EricWF, serge-sans-paille

Subscribers: mgorny, christof, jkorous, dexonsmith, jfb, jdoerfert, libcxx-commits

Differential Revision: https://reviews.llvm.org/D59152

git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@356518 91177308-0d34-0410-b5e6-96231b3b80d8
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@ldionne
ldionne committed Mar 19, 2019
1 parent 3cc1daa commit 3b886a1
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Showing 17 changed files with 210 additions and 135 deletions.
17 changes: 0 additions & 17 deletions CMakeLists.txt
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Original file line number Diff line number Diff line change
Expand Up @@ -73,12 +73,6 @@ option(LIBCXX_ENABLE_ASSERTIONS "Enable assertions independent of build mode." O
option(LIBCXX_ENABLE_SHARED "Build libc++ as a shared library." ON)
option(LIBCXX_ENABLE_STATIC "Build libc++ as a static library." ON)
option(LIBCXX_ENABLE_EXPERIMENTAL_LIBRARY "Build libc++experimental.a" ON)
set(ENABLE_FILESYSTEM_DEFAULT ${LIBCXX_ENABLE_EXPERIMENTAL_LIBRARY})
if (WIN32)
set(ENABLE_FILESYSTEM_DEFAULT OFF)
endif()
option(LIBCXX_ENABLE_FILESYSTEM "Build filesystem as part of libc++fs.a"
${ENABLE_FILESYSTEM_DEFAULT})
option(LIBCXX_INCLUDE_TESTS "Build the libc++ tests." ${LLVM_INCLUDE_TESTS})

# Benchmark options -----------------------------------------------------------
Expand Down Expand Up @@ -117,9 +111,6 @@ option(LIBCXX_INSTALL_SUPPORT_HEADERS "Install libc++ support headers." ON)
cmake_dependent_option(LIBCXX_INSTALL_EXPERIMENTAL_LIBRARY
"Install libc++experimental.a" ON
"LIBCXX_ENABLE_EXPERIMENTAL_LIBRARY;LIBCXX_INSTALL_LIBRARY" OFF)
cmake_dependent_option(LIBCXX_INSTALL_FILESYSTEM_LIBRARY
"Install libc++fs.a" ON
"LIBCXX_ENABLE_FILESYSTEM;LIBCXX_INSTALL_LIBRARY" OFF)

set(LIBCXX_ABI_VERSION "1" CACHE STRING "ABI version of libc++. Can be either 1 or 2, where 2 is currently not stable. Defaults to 1.")
set(LIBCXX_ABI_NAMESPACE "" CACHE STRING "The inline ABI namespace used by libc++. It defaults to __n where `n` is the current ABI version.")
Expand Down Expand Up @@ -291,11 +282,6 @@ option(LIBCXX_HERMETIC_STATIC_LIBRARY
# Check option configurations
#===============================================================================

if (LIBCXX_ENABLE_FILESYSTEM AND NOT LIBCXX_ENABLE_EXPERIMENTAL_LIBRARY)
message(FATAL_ERROR
"LIBCXX_ENABLE_FILESYSTEM cannot be turned on when LIBCXX_ENABLE_EXPERIMENTAL_LIBRARY=OFF")
endif()

# Ensure LIBCXX_ENABLE_MONOTONIC_CLOCK is set to ON only when
# LIBCXX_ENABLE_THREADS is on.
if(LIBCXX_ENABLE_THREADS AND NOT LIBCXX_ENABLE_MONOTONIC_CLOCK)
Expand Down Expand Up @@ -791,9 +777,6 @@ set(LIBCXX_TEST_DEPS "")
if (LIBCXX_ENABLE_EXPERIMENTAL_LIBRARY)
list(APPEND LIBCXX_TEST_DEPS cxx_experimental)
endif()
if (LIBCXX_ENABLE_FILESYSTEM)
list(APPEND LIBCXX_TEST_DEPS cxx_filesystem)
endif()

if (LIBCXX_BUILD_EXTERNAL_THREAD_LIBRARY)
list(APPEND LIBCXX_TEST_DEPS cxx_external_threads)
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3 changes: 0 additions & 3 deletions benchmarks/CMakeLists.txt
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Original file line number Diff line number Diff line change
Expand Up @@ -146,9 +146,6 @@ function(add_benchmark_test name source_file)
if (TARGET cxx_experimental)
target_link_libraries(${libcxx_target} cxx_experimental)
endif()
if (TARGET cxx_filesystem)
target_link_libraries(${libcxx_target} cxx_filesystem)
endif()
target_link_libraries(${libcxx_target} -lbenchmark)
if (LLVM_USE_SANITIZER)
target_link_libraries(${libcxx_target} -ldl)
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12 changes: 0 additions & 12 deletions docs/BuildingLibcxx.rst
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Original file line number Diff line number Diff line change
Expand Up @@ -224,18 +224,6 @@ libc++experimental Specific Options
Install libc++experimental.a alongside libc++.


.. option:: LIBCXX_ENABLE_FILESYSTEM:BOOL

**Default**: ``ON``

Build filesystem as a standalone library libc++fs.a.

.. option:: LIBCXX_INSTALL_FILESYSTEM_LIBRARY:BOOL

**Default**: ``LIBCXX_ENABLE_FILESYSTEM AND LIBCXX_INSTALL_LIBRARY``

Install libc++fs.a alongside libc++.

.. _ABI Library Specific Options:

ABI Library Specific Options
Expand Down
20 changes: 0 additions & 20 deletions docs/UsingLibcxx.rst
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Original file line number Diff line number Diff line change
Expand Up @@ -50,23 +50,6 @@ An example of using ``LD_LIBRARY_PATH``:
$ ./a.out # Searches for libc++ along LD_LIBRARY_PATH
Using ``<filesystem>`` and libc++fs
====================================

Libc++ provides the implementation of the filesystem library in a separate
library. Users of ``<filesystem>`` and ``<experimental/filesystem>`` are
required to link ``-lc++fs``.

.. note::
Prior to libc++ 7.0, users of ``<experimental/filesystem>`` were required
to link libc++experimental.

.. warning::
The Filesystem library is still experimental in nature. As such normal
guarantees about ABI stability and backwards compatibility do not yet apply
to it. In the future, this restriction will be removed.


Using libc++experimental and ``<experimental/...>``
=====================================================

Expand All @@ -83,9 +66,6 @@ installed. For information on building libc++experimental from source see
:ref:`Building Libc++ <build instructions>` and
:ref:`libc++experimental CMake Options <libc++experimental options>`.

Note that as of libc++ 7.0 using the ``<experimental/filesystem>`` requires linking
libc++fs instead of libc++experimental.

Also see the `Experimental Library Implementation Status <http://libcxx.llvm.org/ts1z_status.html>`__
page.

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53 changes: 11 additions & 42 deletions lib/CMakeLists.txt
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Original file line number Diff line number Diff line change
Expand Up @@ -3,6 +3,8 @@ set(LIBCXX_LIB_CMAKEFILES_DIR "${CMAKE_CURRENT_BINARY_DIR}${CMAKE_FILES_DIRECTOR
# Get sources
# FIXME: Don't use glob here
file(GLOB LIBCXX_SOURCES ../src/*.cpp)
list(APPEND LIBCXX_SOURCES ../src/filesystem/operations.cpp
../src/filesystem/directory_iterator.cpp)
if(WIN32)
file(GLOB LIBCXX_WIN32_SOURCES ../src/support/win32/*.cpp)
list(APPEND LIBCXX_SOURCES ${LIBCXX_WIN32_SOURCES})
Expand All @@ -11,6 +13,14 @@ elseif("${CMAKE_SYSTEM_NAME}" STREQUAL "SunOS")
list(APPEND LIBCXX_SOURCES ${LIBCXX_SOLARIS_SOURCES})
endif()

# Filesystem uses __int128_t, which requires a definition of __muloi4 when
# compiled with UBSAN. This definition is not provided by libgcc_s, but is
# provided by compiler-rt. So we need to disable it to avoid having multiple
# definitions. See filesystem/int128_builtins.cpp.
if (NOT LIBCXX_USE_COMPILER_RT)
list(APPEND LIBCXX_SOURCES ../src/filesystem/int128_builtins.cpp)
endif()

# Add all the headers to the project for IDEs.
if (LIBCXX_CONFIGURE_IDE)
file(GLOB_RECURSE LIBCXX_HEADERS ${CMAKE_CURRENT_SOURCE_DIR}/../include/*)
Expand Down Expand Up @@ -278,39 +288,6 @@ endif()
# Add a meta-target for both libraries.
add_custom_target(cxx DEPENDS cxx-headers ${LIBCXX_BUILD_TARGETS})

if (LIBCXX_ENABLE_FILESYSTEM)
set(LIBCXX_FILESYSTEM_SOURCES
../src/filesystem/operations.cpp
../src/filesystem/directory_iterator.cpp)

# Filesystem uses __int128_t, which requires a definition of __muloi4 when
# compiled with UBSAN. This definition is not provided by libgcc_s, but is
# provided by compiler-rt. So we need to disable it to avoid having multiple
# definitions. See filesystem/int128_builtins.cpp.
if (NOT LIBCXX_USE_COMPILER_RT)
list(APPEND LIBCXX_FILESYSTEM_SOURCES ../src/filesystem/int128_builtins.cpp)
endif()

add_library(cxx_filesystem STATIC ${LIBCXX_FILESYSTEM_SOURCES})
if (LIBCXX_ENABLE_SHARED)
target_link_libraries(cxx_filesystem cxx_shared)
else()
target_link_libraries(cxx_filesystem cxx_static)
endif()

set(filesystem_flags "${LIBCXX_COMPILE_FLAGS}")
check_flag_supported(-std=c++14)
if (NOT MSVC AND LIBCXX_SUPPORTS_STD_EQ_CXX14_FLAG AND LIBCXX_STANDARD_VER STREQUAL "c++11")
string(REPLACE "-std=c++11" "-std=c++14" filesystem_flags "${LIBCXX_COMPILE_FLAGS}")
endif()
set_target_properties(cxx_filesystem
PROPERTIES
COMPILE_FLAGS "${filesystem_flags}"
OUTPUT_NAME "c++fs"
)
endif()


if (LIBCXX_ENABLE_EXPERIMENTAL_LIBRARY)
file(GLOB LIBCXX_EXPERIMENTAL_SOURCES ../src/experimental/*.cpp)
add_library(cxx_experimental STATIC ${LIBCXX_EXPERIMENTAL_SOURCES})
Expand Down Expand Up @@ -379,13 +356,10 @@ if (LIBCXX_ENABLE_SHARED AND LIBCXX_ENABLE_ABI_LINKER_SCRIPT)
endif()

if (LIBCXX_INSTALL_LIBRARY)
if (LIBCXX_INSTALL_FILESYSTEM_LIBRARY)
set(filesystem_lib cxx_filesystem)
endif()
if (LIBCXX_INSTALL_EXPERIMENTAL_LIBRARY)
set(experimental_lib cxx_experimental)
endif()
install(TARGETS ${LIBCXX_INSTALL_TARGETS} ${filesystem_lib} ${experimental_lib}
install(TARGETS ${LIBCXX_INSTALL_TARGETS} ${experimental_lib}
LIBRARY DESTINATION ${LIBCXX_INSTALL_PREFIX}lib${LIBCXX_LIBDIR_SUFFIX} COMPONENT cxx
ARCHIVE DESTINATION ${LIBCXX_INSTALL_PREFIX}lib${LIBCXX_LIBDIR_SUFFIX} COMPONENT cxx
)
Expand All @@ -405,9 +379,6 @@ if (NOT CMAKE_CONFIGURATION_TYPES AND (LIBCXX_INSTALL_LIBRARY OR
if(LIBCXX_INSTALL_LIBRARY)
set(lib_install_target cxx)
endif()
if (LIBCXX_INSTALL_FILESYSTEM_LIBRARY)
set(filesystem_lib_install_target cxx_filesystem)
endif()
if (LIBCXX_INSTALL_EXPERIMENTAL_LIBRARY)
set(experimental_lib_install_target cxx_experimental)
endif()
Expand All @@ -417,15 +388,13 @@ if (NOT CMAKE_CONFIGURATION_TYPES AND (LIBCXX_INSTALL_LIBRARY OR
add_custom_target(install-cxx
DEPENDS ${lib_install_target}
${experimental_lib_install_target}
${filesystem_lib_install_target}
${header_install_target}
COMMAND "${CMAKE_COMMAND}"
-DCMAKE_INSTALL_COMPONENT=cxx
-P "${LIBCXX_BINARY_DIR}/cmake_install.cmake")
add_custom_target(install-cxx-stripped
DEPENDS ${lib_install_target}
${experimental_lib_install_target}
${filesystem_lib_install_target}
${header_install_target}
COMMAND "${CMAKE_COMMAND}"
-DCMAKE_INSTALL_COMPONENT=cxx
Expand Down
124 changes: 124 additions & 0 deletions lib/abi/CHANGELOG.TXT
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Original file line number Diff line number Diff line change
Expand Up @@ -16,6 +16,130 @@ New entries should be added directly below the "Version" header.
Version 9.0
-----------

* rXXXXXX - Integrate <filesystem> support into the shared library

This patch introduces support for <filesystem> into the shared library,
instead of requiring users to manually link against a static archive. As
such, new symbols required to implement <filesystem> are exported from
the shared library.

x86_64-unknown-linux-gnu
------------------------
TODO

x86_64-apple-apple-darwin
-------------------------
Symbol added: __ZNKSt3__14__fs10filesystem18directory_iterator13__dereferenceEv
Symbol added: __ZNKSt3__14__fs10filesystem28recursive_directory_iterator13__dereferenceEv
Symbol added: __ZNKSt3__14__fs10filesystem28recursive_directory_iterator5depthEv
Symbol added: __ZNKSt3__14__fs10filesystem28recursive_directory_iterator7optionsEv
Symbol added: __ZNKSt3__14__fs10filesystem4path10__filenameEv
Symbol added: __ZNKSt3__14__fs10filesystem4path11__extensionEv
Symbol added: __ZNKSt3__14__fs10filesystem4path11__root_nameEv
Symbol added: __ZNKSt3__14__fs10filesystem4path13__parent_pathEv
Symbol added: __ZNKSt3__14__fs10filesystem4path15__relative_pathEv
Symbol added: __ZNKSt3__14__fs10filesystem4path15__root_path_rawEv
Symbol added: __ZNKSt3__14__fs10filesystem4path16__root_directoryEv
Symbol added: __ZNKSt3__14__fs10filesystem4path16lexically_normalEv
Symbol added: __ZNKSt3__14__fs10filesystem4path18lexically_relativeERKS2_
Symbol added: __ZNKSt3__14__fs10filesystem4path3endEv
Symbol added: __ZNKSt3__14__fs10filesystem4path5beginEv
Symbol added: __ZNKSt3__14__fs10filesystem4path6__stemEv
Symbol added: __ZNKSt3__14__fs10filesystem4path9__compareENS_17basic_string_viewIcNS_11char_traitsIcEEEE
Symbol added: __ZNSt3__14__fs10filesystem10__absoluteERKNS1_4pathEPNS_10error_codeE
Symbol added: __ZNSt3__14__fs10filesystem10hash_valueERKNS1_4pathE
Symbol added: __ZNSt3__14__fs10filesystem11__canonicalERKNS1_4pathEPNS_10error_codeE
Symbol added: __ZNSt3__14__fs10filesystem11__copy_fileERKNS1_4pathES4_NS1_12copy_optionsEPNS_10error_codeE
Symbol added: __ZNSt3__14__fs10filesystem11__file_sizeERKNS1_4pathEPNS_10error_codeE
Symbol added: __ZNSt3__14__fs10filesystem12__equivalentERKNS1_4pathES4_PNS_10error_codeE
Symbol added: __ZNSt3__14__fs10filesystem12__remove_allERKNS1_4pathEPNS_10error_codeE
Symbol added: __ZNSt3__14__fs10filesystem13__fs_is_emptyERKNS1_4pathEPNS_10error_codeE
Symbol added: __ZNSt3__14__fs10filesystem13__permissionsERKNS1_4pathENS1_5permsENS1_12perm_optionsEPNS_10error_codeE
Symbol added: __ZNSt3__14__fs10filesystem13__resize_fileERKNS1_4pathEmPNS_10error_codeE
Symbol added: __ZNSt3__14__fs10filesystem14__copy_symlinkERKNS1_4pathES4_PNS_10error_codeE
Symbol added: __ZNSt3__14__fs10filesystem14__current_pathEPNS_10error_codeE
Symbol added: __ZNSt3__14__fs10filesystem14__current_pathERKNS1_4pathEPNS_10error_codeE
Symbol added: __ZNSt3__14__fs10filesystem14__read_symlinkERKNS1_4pathEPNS_10error_codeE
Symbol added: __ZNSt3__14__fs10filesystem15directory_entry12__do_refreshEv
Symbol added: __ZNSt3__14__fs10filesystem16__create_symlinkERKNS1_4pathES4_PNS_10error_codeE
Symbol added: __ZNSt3__14__fs10filesystem16__symlink_statusERKNS1_4pathEPNS_10error_codeE
Symbol added: __ZNSt3__14__fs10filesystem16_FilesystemClock3nowEv
Symbol added: __ZNSt3__14__fs10filesystem16filesystem_error13__create_whatEi
Symbol added: __ZNSt3__14__fs10filesystem16filesystem_errorD0Ev
Symbol added: __ZNSt3__14__fs10filesystem16filesystem_errorD1Ev
Symbol added: __ZNSt3__14__fs10filesystem16filesystem_errorD2Ev
Symbol added: __ZNSt3__14__fs10filesystem17__hard_link_countERKNS1_4pathEPNS_10error_codeE
Symbol added: __ZNSt3__14__fs10filesystem17__last_write_timeERKNS1_4pathENS_6chrono10time_pointINS1_16_FilesystemClockENS5_8durationInNS_5ratioILl1ELl1000000000EEEEEEEPNS_10error_codeE
Symbol added: __ZNKSt3__14__fs10filesystem28recursive_directory_iterator5depthEv
Symbol added: __ZNKSt3__14__fs10filesystem28recursive_directory_iterator7optionsEv
Symbol added: __ZNKSt3__14__fs10filesystem4path10__filenameEv
Symbol added: __ZNKSt3__14__fs10filesystem4path11__extensionEv
Symbol added: __ZNKSt3__14__fs10filesystem4path11__root_nameEv
Symbol added: __ZNKSt3__14__fs10filesystem4path13__parent_pathEv
Symbol added: __ZNKSt3__14__fs10filesystem4path15__relative_pathEv
Symbol added: __ZNKSt3__14__fs10filesystem4path15__root_path_rawEv
Symbol added: __ZNKSt3__14__fs10filesystem4path16__root_directoryEv
Symbol added: __ZNKSt3__14__fs10filesystem4path16lexically_normalEv
Symbol added: __ZNKSt3__14__fs10filesystem4path18lexically_relativeERKS2_
Symbol added: __ZNKSt3__14__fs10filesystem4path3endEv
Symbol added: __ZNKSt3__14__fs10filesystem4path5beginEv
Symbol added: __ZNKSt3__14__fs10filesystem4path6__stemEv
Symbol added: __ZNKSt3__14__fs10filesystem4path9__compareENS_17basic_string_viewIcNS_11char_traitsIcEEEE
Symbol added: __ZNSt3__14__fs10filesystem10__absoluteERKNS1_4pathEPNS_10error_codeE
Symbol added: __ZNSt3__14__fs10filesystem10hash_valueERKNS1_4pathE
Symbol added: __ZNSt3__14__fs10filesystem11__canonicalERKNS1_4pathEPNS_10error_codeE
Symbol added: __ZNSt3__14__fs10filesystem11__copy_fileERKNS1_4pathES4_NS1_12copy_optionsEPNS_10error_codeE
Symbol added: __ZNSt3__14__fs10filesystem11__file_sizeERKNS1_4pathEPNS_10error_codeE
Symbol added: __ZNSt3__14__fs10filesystem12__equivalentERKNS1_4pathES4_PNS_10error_codeE
Symbol added: __ZNSt3__14__fs10filesystem12__remove_allERKNS1_4pathEPNS_10error_codeE
Symbol added: __ZNSt3__14__fs10filesystem13__fs_is_emptyERKNS1_4pathEPNS_10error_codeE
Symbol added: __ZNSt3__14__fs10filesystem13__permissionsERKNS1_4pathENS1_5permsENS1_12perm_optionsEPNS_10error_codeE
Symbol added: __ZNSt3__14__fs10filesystem13__resize_fileERKNS1_4pathEmPNS_10error_codeE
Symbol added: __ZNSt3__14__fs10filesystem14__copy_symlinkERKNS1_4pathES4_PNS_10error_codeE
Symbol added: __ZNSt3__14__fs10filesystem14__current_pathEPNS_10error_codeE
Symbol added: __ZNSt3__14__fs10filesystem14__current_pathERKNS1_4pathEPNS_10error_codeE
Symbol added: __ZNSt3__14__fs10filesystem14__read_symlinkERKNS1_4pathEPNS_10error_codeE
Symbol added: __ZNSt3__14__fs10filesystem15directory_entry12__do_refreshEv
Symbol added: __ZNSt3__14__fs10filesystem16__create_symlinkERKNS1_4pathES4_PNS_10error_codeE
Symbol added: __ZNSt3__14__fs10filesystem16__symlink_statusERKNS1_4pathEPNS_10error_codeE
Symbol added: __ZNSt3__14__fs10filesystem16_FilesystemClock3nowEv
Symbol added: __ZNSt3__14__fs10filesystem16filesystem_error13__create_whatEi
Symbol added: __ZNSt3__14__fs10filesystem16filesystem_errorD0Ev
Symbol added: __ZNSt3__14__fs10filesystem16filesystem_errorD1Ev
Symbol added: __ZNSt3__14__fs10filesystem16filesystem_errorD2Ev
Symbol added: __ZNSt3__14__fs10filesystem17__hard_link_countERKNS1_4pathEPNS_10error_codeE
Symbol added: __ZNSt3__14__fs10filesystem17__last_write_timeERKNS1_4pathENS_6chrono10time_pointINS1_16_FilesystemClockENS5_8durationInNS_5ratioILl1ELl1000000000EEEEEEEPNS_10error_codeE
Symbol added: __ZNSt3__14__fs10filesystem17__last_write_timeERKNS1_4pathEPNS_10error_codeE
Symbol added: __ZNSt3__14__fs10filesystem18__create_directoryERKNS1_4pathEPNS_10error_codeE
Symbol added: __ZNSt3__14__fs10filesystem18__create_directoryERKNS1_4pathES4_PNS_10error_codeE
Symbol added: __ZNSt3__14__fs10filesystem18__create_hard_linkERKNS1_4pathES4_PNS_10error_codeE
Symbol added: __ZNSt3__14__fs10filesystem18__weakly_canonicalERKNS1_4pathEPNS_10error_codeE
Symbol added: __ZNSt3__14__fs10filesystem18directory_iterator11__incrementEPNS_10error_codeE
Symbol added: __ZNSt3__14__fs10filesystem18directory_iteratorC1ERKNS1_4pathEPNS_10error_codeENS1_17directory_optionsE
Symbol added: __ZNSt3__14__fs10filesystem18directory_iteratorC2ERKNS1_4pathEPNS_10error_codeENS1_17directory_optionsE
Symbol added: __ZNSt3__14__fs10filesystem20__create_directoriesERKNS1_4pathEPNS_10error_codeE
Symbol added: __ZNSt3__14__fs10filesystem21__temp_directory_pathEPNS_10error_codeE
Symbol added: __ZNSt3__14__fs10filesystem26__create_directory_symlinkERKNS1_4pathES4_PNS_10error_codeE
Symbol added: __ZNSt3__14__fs10filesystem28recursive_directory_iterator11__incrementEPNS_10error_codeE
Symbol added: __ZNSt3__14__fs10filesystem28recursive_directory_iterator15__try_recursionEPNS_10error_codeE
Symbol added: __ZNSt3__14__fs10filesystem28recursive_directory_iterator5__popEPNS_10error_codeE
Symbol added: __ZNSt3__14__fs10filesystem28recursive_directory_iterator9__advanceEPNS_10error_codeE
Symbol added: __ZNSt3__14__fs10filesystem28recursive_directory_iteratorC1ERKNS1_4pathENS1_17directory_optionsEPNS_10error_codeE
Symbol added: __ZNSt3__14__fs10filesystem28recursive_directory_iteratorC2ERKNS1_4pathENS1_17directory_optionsEPNS_10error_codeE
Symbol added: __ZNSt3__14__fs10filesystem4path17replace_extensionERKS2_
Symbol added: __ZNSt3__14__fs10filesystem4path8iterator11__decrementEv
Symbol added: __ZNSt3__14__fs10filesystem4path8iterator11__incrementEv
Symbol added: __ZNSt3__14__fs10filesystem6__copyERKNS1_4pathES4_NS1_12copy_optionsEPNS_10error_codeE
Symbol added: __ZNSt3__14__fs10filesystem7__spaceERKNS1_4pathEPNS_10error_codeE
Symbol added: __ZNSt3__14__fs10filesystem8__removeERKNS1_4pathEPNS_10error_codeE
Symbol added: __ZNSt3__14__fs10filesystem8__renameERKNS1_4pathES4_PNS_10error_codeE
Symbol added: __ZNSt3__14__fs10filesystem8__statusERKNS1_4pathEPNS_10error_codeE
Symbol added: __ZNSt3__14__fs10filesystem16_FilesystemClock9is_steadyE
Symbol added: __ZNSt3__14__fs10filesystem4path19preferred_separatorE
Symbol added: __ZTINSt3__14__fs10filesystem16filesystem_errorE
Symbol added: __ZTSNSt3__14__fs10filesystem16filesystem_errorE
Symbol added: __ZTVNSt3__14__fs10filesystem16filesystem_errorE

* rTBD - Remove exception throwing debug mode handler support.

The reason libc++ implemented a throwing debug mode handler was for ease of testing. Specifically,
Expand Down
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