option(LIBCXX_ENABLE_FILESYSTEM "Build filesystem as part of the main libc++ library"
${ENABLE_FILESYSTEM_DEFAULT})
option(LIBCXX_INCLUDE_TESTS "Build the libc++ tests." ${LLVM_INCLUDE_TESTS})
+option(LIBCXX_ENABLE_PARALLEL_ALGORITHMS "Enable the parallel algorithms library. This requires the PSTL to be available." OFF)
# Benchmark options -----------------------------------------------------------
option(LIBCXX_INCLUDE_BENCHMARKS "Build the libc++ benchmarks and their dependencies" ON)
config_define_if(LIBCXX_BUILD_EXTERNAL_THREAD_LIBRARY _LIBCPP_HAS_THREAD_LIBRARY_EXTERNAL)
config_define_if(LIBCXX_HAS_MUSL_LIBC _LIBCPP_HAS_MUSL_LIBC)
config_define_if(LIBCXX_NO_VCRUNTIME _LIBCPP_NO_VCRUNTIME)
+config_define_if(LIBCXX_ENABLE_PARALLEL_ALGORITHMS _LIBCPP_HAS_PARALLEL_ALGORITHMS)
if (LIBCXX_ABI_DEFINES)
set(abi_defines)
deque
errno.h
exception
+ execution
experimental/__config
experimental/__memory
experimental/algorithm
#cmakedefine _LIBCPP_NO_VCRUNTIME
#cmakedefine01 _LIBCPP_HAS_MERGED_TYPEINFO_NAMES_DEFAULT
#cmakedefine _LIBCPP_ABI_NAMESPACE @_LIBCPP_ABI_NAMESPACE@
+#cmakedefine _LIBCPP_HAS_PARALLEL_ALGORITHMS
@_LIBCPP_ABI_DEFINES@
_LIBCPP_POP_MACROS
+#if defined(_LIBCPP_HAS_PARALLEL_ALGORITHMS) && _LIBCPP_STD_VER >= 17
+# include <pstl/internal/glue_algorithm_impl.h>
+#endif
+
#endif // _LIBCPP_ALGORITHM
--- /dev/null
+// -*- C++ -*-
+//===------------------------- execution ---------------------------------===//
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef _LIBCPP_EXECUTION
+#define _LIBCPP_EXECUTION
+
+#include <__config>
+
+#if defined(_LIBCPP_HAS_PARALLEL_ALGORITHMS) && _LIBCPP_STD_VER >= 17
+# include <pstl/internal/glue_execution_defs.h>
+#endif
+
+#endif // _LIBCPP_EXECUTION
_LIBCPP_POP_MACROS
+#if defined(_LIBCPP_HAS_PARALLEL_ALGORITHMS) && _LIBCPP_STD_VER >= 17
+# include <pstl/internal/glue_memory_impl.h>
+#endif
+
#endif // _LIBCPP_MEMORY
header "exception"
export *
}
+ module execution {
+ header "execution"
+ export *
+ }
module filesystem {
header "filesystem"
export *
_LIBCPP_POP_MACROS
+#if defined(_LIBCPP_HAS_PARALLEL_ALGORITHMS) && _LIBCPP_STD_VER >= 17
+# include <pstl/internal/glue_numeric_impl.h>
+#endif
+
#endif // _LIBCPP_NUMERIC
endif()
endfunction()
+if (LIBCXX_ENABLE_PARALLEL_ALGORITHMS AND NOT TARGET pstl::ParallelSTL)
+ message(FATAL_ERROR "Could not find ParallelSTL")
+endif()
+
function(cxx_set_common_defines name)
if(LIBCXX_CXX_ABI_HEADER_TARGET)
add_dependencies(${name} ${LIBCXX_CXX_ABI_HEADER_TARGET})
# in printf, scanf.
_CRT_STDIO_ISO_WIDE_SPECIFIERS)
endif()
+
+ if (LIBCXX_ENABLE_PARALLEL_ALGORITHMS)
+ target_link_libraries(${name} PUBLIC pstl::ParallelSTL)
+ endif()
endfunction()
split_list(LIBCXX_COMPILE_FLAGS)
pythonize_bool(LIBCXX_HAVE_CXX_ATOMICS_WITH_LIB)
pythonize_bool(LIBCXX_BUILD_EXTERNAL_THREAD_LIBRARY)
pythonize_bool(LIBCXX_DEBUG_BUILD)
+pythonize_bool(LIBCXX_ENABLE_PARALLEL_ALGORITHMS)
# By default, for non-standalone builds, libcxx and libcxxabi share a library
# directory.
#include <deque>
#include <errno.h>
#include <exception>
+#include <execution>
#include <fenv.h>
#include <filesystem>
#include <float.h>
config.debug_build = @LIBCXX_DEBUG_BUILD@
config.libcxxabi_shared = @LIBCXXABI_ENABLE_SHARED@
config.cxx_ext_threads = @LIBCXX_BUILD_EXTERNAL_THREAD_LIBRARY@
+config.pstl_root = "@ParallelSTL_SOURCE_DIR@" if @LIBCXX_ENABLE_PARALLEL_ALGORITHMS@ else None
# Let the main config do the real work.
config.loaded_site_config = True
--- /dev/null
+../../../pstl/test/std
\ No newline at end of file
support_path = os.path.join(self.libcxx_src_root, 'test/support')
self.cxx.compile_flags += ['-I' + support_path]
+ # Add includes for the PSTL headers
+ pstl_root = self.get_lit_conf('pstl_root')
+ if pstl_root is not None:
+ self.cxx.compile_flags += ['-I' + os.path.join(pstl_root, 'include')]
+ self.cxx.compile_flags += ['-I' + os.path.join(pstl_root, 'test')]
+ self.config.available_features.add('parallel-algorithms')
+
# FIXME(EricWF): variant_size.pass.cpp requires a slightly larger
# template depth with older Clang versions.
self.cxx.addFlagIfSupported('-ftemplate-depth=270')
string(REPLACE "-Wl,-z,defs" "" CMAKE_SHARED_LINKER_FLAGS "${CMAKE_SHARED_LINKER_FLAGS}")
endif()
+if (NOT TARGET pstl::ParallelSTL)
+ message(STATUS "Could not find ParallelSTL, libc++abi will not attempt to use it but the build may fail if the libc++ in use needs it to be available.")
+endif()
+
if ("${CMAKE_OSX_ARCHITECTURES}" MATCHES "^(armv6|armv7|armv7s)$")
set(LIBCXXABI_USE_SJLJ_EXCEPTIONS ON)
else()
llvm_setup_rpath(cxxabi_shared)
endif()
target_link_libraries(cxxabi_shared PRIVATE ${LIBCXXABI_SHARED_LIBRARIES} ${LIBCXXABI_LIBRARIES})
+ if (TARGET pstl::ParallelSTL)
+ target_link_libraries(cxxabi_shared PUBLIC pstl::ParallelSTL)
+ endif()
set_target_properties(cxxabi_shared
PROPERTIES
CXX_EXTENSIONS
if (LIBCXXABI_ENABLE_STATIC)
add_library(cxxabi_static STATIC ${LIBCXXABI_SOURCES} ${LIBCXXABI_HEADERS})
target_link_libraries(cxxabi_static PRIVATE ${LIBCXXABI_STATIC_LIBRARIES} ${LIBCXXABI_LIBRARIES})
+ if (TARGET pstl::ParallelSTL)
+ target_link_libraries(cxxabi_static PUBLIC pstl::ParallelSTL)
+ endif()
set_target_properties(cxxabi_static
PROPERTIES
CXX_EXTENSIONS
# Add the projects in reverse order of their dependencies so that the
# dependent projects can see the target names of their dependencies.
add_llvm_external_project(libunwind)
- add_llvm_external_project(libcxxabi)
add_llvm_external_project(pstl)
+ add_llvm_external_project(libcxxabi)
add_llvm_external_project(libcxx)
endif()
if(NOT LLVM_BUILD_EXTERNAL_COMPILER_RT)
--- /dev/null
+if 'parallel-algorithms' not in config.available_features:
+ config.unsupported = True