# Copyright 2019 The Bazel Authors. All rights reserved. # # Licensed under the Apache License, Version 2.0 (the "License"); # you may not use this file except in compliance with the License. # You may obtain a copy of the License at # # http://www.apache.org/licenses/LICENSE-2.0 # # Unless required by applicable law or agreed to in writing, software # distributed under the License is distributed on an "AS IS" BASIS, # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. # See the License for the specific language governing permissions and # limitations under the License. """A Starlark cc_toolchain configuration rule for Windows""" load("@rules_cc//cc:action_names.bzl", "ACTION_NAMES") load( "@rules_cc//cc:cc_toolchain_config_lib.bzl", "action_config", "artifact_name_pattern", "env_entry", "env_set", "feature", "flag_group", "flag_set", "make_variable", "tool", "tool_path", "variable_with_value", "with_feature_set", ) all_compile_actions = [ ACTION_NAMES.c_compile, ACTION_NAMES.cpp_compile, ACTION_NAMES.linkstamp_compile, ACTION_NAMES.assemble, ACTION_NAMES.preprocess_assemble, ACTION_NAMES.cpp_header_parsing, ACTION_NAMES.cpp_module_compile, ACTION_NAMES.cpp_module_codegen, ACTION_NAMES.cpp_module_deps_scanning, ACTION_NAMES.cpp20_module_compile, ACTION_NAMES.cpp20_module_codegen, ACTION_NAMES.clif_match, ACTION_NAMES.lto_backend, ] all_cpp_compile_actions = [ ACTION_NAMES.cpp_compile, ACTION_NAMES.linkstamp_compile, ACTION_NAMES.cpp_header_parsing, ACTION_NAMES.cpp_module_compile, ACTION_NAMES.cpp_module_codegen, ACTION_NAMES.cpp_module_deps_scanning, ACTION_NAMES.cpp20_module_compile, ACTION_NAMES.cpp20_module_codegen, ACTION_NAMES.clif_match, ] preprocessor_compile_actions = [ ACTION_NAMES.c_compile, ACTION_NAMES.cpp_compile, ACTION_NAMES.linkstamp_compile, ACTION_NAMES.preprocess_assemble, ACTION_NAMES.cpp_header_parsing, ACTION_NAMES.cpp_module_compile, ACTION_NAMES.cpp_module_deps_scanning, ACTION_NAMES.cpp20_module_compile, ACTION_NAMES.clif_match, ] codegen_compile_actions = [ ACTION_NAMES.c_compile, ACTION_NAMES.cpp_compile, ACTION_NAMES.linkstamp_compile, ACTION_NAMES.assemble, ACTION_NAMES.preprocess_assemble, ACTION_NAMES.cpp_module_codegen, ACTION_NAMES.cpp20_module_codegen, ACTION_NAMES.lto_backend, ] all_link_actions = [ ACTION_NAMES.cpp_link_executable, ACTION_NAMES.cpp_link_dynamic_library, ACTION_NAMES.cpp_link_nodeps_dynamic_library, ] def _use_msvc_toolchain(ctx): return ctx.attr.cpu in ["x64_windows", "arm64_windows"] and (ctx.attr.compiler == "msvc-cl" or ctx.attr.compiler == "clang-cl") def _impl(ctx): if _use_msvc_toolchain(ctx): artifact_name_patterns = [ artifact_name_pattern( category_name = "object_file", prefix = "", extension = ".obj", ), artifact_name_pattern( category_name = "static_library", prefix = "", extension = ".lib", ), artifact_name_pattern( category_name = "alwayslink_static_library", prefix = "", extension = ".lo.lib", ), artifact_name_pattern( category_name = "executable", prefix = "", extension = ".exe", ), artifact_name_pattern( category_name = "dynamic_library", prefix = "", extension = ".dll", ), artifact_name_pattern( category_name = "interface_library", prefix = "", extension = ".if.lib", ), ] else: artifact_name_patterns = [ artifact_name_pattern( category_name = "executable", prefix = "", extension = ".exe", ), ] if _use_msvc_toolchain(ctx): cpp_link_nodeps_dynamic_library_action = action_config( action_name = ACTION_NAMES.cpp_link_nodeps_dynamic_library, implies = [ "nologo", "shared_flag", "linkstamps", "output_execpath_flags", "input_param_flags", "user_link_flags", "linker_subsystem_flag", "linker_param_file", "msvc_env", "no_stripping", "has_configured_linker_path", "def_file", ], tools = [tool(path = ctx.attr.msvc_link_path)], ) cpp_link_static_library_action = action_config( action_name = ACTION_NAMES.cpp_link_static_library, implies = [ "nologo", "archiver_flags", "input_param_flags", "linker_param_file", "msvc_env", ], tools = [tool(path = ctx.attr.msvc_lib_path)], ) assemble_action = action_config( action_name = ACTION_NAMES.assemble, implies = [ "compiler_input_flags", "compiler_output_flags", "nologo", "msvc_env", "sysroot", ], tools = [tool(path = ctx.attr.msvc_ml_path)], ) preprocess_assemble_action = action_config( action_name = ACTION_NAMES.preprocess_assemble, implies = [ "compiler_input_flags", "compiler_output_flags", "nologo", "msvc_env", "sysroot", ], tools = [tool(path = ctx.attr.msvc_ml_path)], ) c_compile_action = action_config( action_name = ACTION_NAMES.c_compile, implies = [ "compiler_input_flags", "compiler_output_flags", "nologo", "msvc_env", "user_compile_flags", "sysroot", ], tools = [tool(path = ctx.attr.msvc_cl_path)], ) linkstamp_compile_action = action_config( action_name = ACTION_NAMES.linkstamp_compile, implies = [ "compiler_input_flags", "compiler_output_flags", "default_compile_flags", "nologo", "msvc_env", "user_compile_flags", "sysroot", "unfiltered_compile_flags", ], tools = [tool(path = ctx.attr.msvc_cl_path)], ) cpp_compile_action = action_config( action_name = ACTION_NAMES.cpp_compile, implies = [ "compiler_input_flags", "compiler_output_flags", "nologo", "msvc_env", "user_compile_flags", "sysroot", ], tools = [tool(path = ctx.attr.msvc_cl_path)], ) cpp_link_executable_action = action_config( action_name = ACTION_NAMES.cpp_link_executable, implies = [ "nologo", "linkstamps", "output_execpath_flags", "input_param_flags", "user_link_flags", "linker_subsystem_flag", "linker_param_file", "msvc_env", "no_stripping", ], tools = [tool(path = ctx.attr.msvc_link_path)], ) cpp_link_dynamic_library_action = action_config( action_name = ACTION_NAMES.cpp_link_dynamic_library, implies = [ "nologo", "shared_flag", "linkstamps", "output_execpath_flags", "input_param_flags", "user_link_flags", "linker_subsystem_flag", "linker_param_file", "msvc_env", "no_stripping", "has_configured_linker_path", "def_file", ], tools = [tool(path = ctx.attr.msvc_link_path)], ) deps_scanner = "cpp-module-deps-scanner_not_found" if "cpp-module-deps-scanner" in ctx.attr.tool_paths: deps_scanner = ctx.attr.tool_paths["cpp-module-deps-scanner"] cpp_module_scan_deps = action_config( action_name = ACTION_NAMES.cpp_module_deps_scanning, tools = [ tool( path = deps_scanner, ), ], implies = [ "compiler_input_flags", "compiler_output_flags", "nologo", "msvc_env", "user_compile_flags", "sysroot", ], ) cpp20_module_compile = action_config( action_name = ACTION_NAMES.cpp20_module_compile, tools = [ tool( path = ctx.attr.msvc_cl_path, ), ], flag_sets = [ flag_set( flag_groups = [ flag_group( flags = [ "/TP", "/interface", ], ), ], ), ], implies = [ "compiler_input_flags", "compiler_output_flags", "nologo", "msvc_env", "user_compile_flags", "sysroot", ], ) cpp20_module_codegen = action_config( action_name = ACTION_NAMES.cpp20_module_codegen, tools = [ tool( path = ctx.attr.msvc_cl_path, ), ], implies = [ "compiler_input_flags", "compiler_output_flags", "nologo", "msvc_env", "user_compile_flags", "sysroot", ], ) action_configs = [ assemble_action, preprocess_assemble_action, c_compile_action, linkstamp_compile_action, cpp_compile_action, cpp_link_executable_action, cpp_link_dynamic_library_action, cpp_link_nodeps_dynamic_library_action, cpp_link_static_library_action, cpp_module_scan_deps, cpp20_module_compile, cpp20_module_codegen, ] else: action_configs = [] if _use_msvc_toolchain(ctx): msvc_link_env_feature = feature( name = "msvc_link_env", env_sets = [ env_set( actions = all_link_actions + [ACTION_NAMES.cpp_link_static_library], env_entries = [env_entry(key = "LIB", value = ctx.attr.msvc_env_lib)], ), ], ) shared_flag_feature = feature( name = "shared_flag", flag_sets = [ flag_set( actions = [ ACTION_NAMES.cpp_link_dynamic_library, ACTION_NAMES.cpp_link_nodeps_dynamic_library, ], flag_groups = [flag_group(flags = ["/DLL"])], ), ], ) determinism_feature = feature( name = "determinism", enabled = True, flag_sets = [ flag_set( actions = [ACTION_NAMES.c_compile, ACTION_NAMES.cpp_compile], flag_groups = [ flag_group( flags = [ "/wd4117", "-D__DATE__=\"redacted\"", "-D__TIMESTAMP__=\"redacted\"", "-D__TIME__=\"redacted\"", ] + (["-Wno-builtin-macro-redefined"] if ctx.attr.compiler == "clang-cl" else []), ), ], ), ], ) sysroot_feature = feature( name = "sysroot", flag_sets = [ flag_set( actions = [ ACTION_NAMES.assemble, ACTION_NAMES.preprocess_assemble, ACTION_NAMES.c_compile, ACTION_NAMES.linkstamp_compile, ACTION_NAMES.cpp_compile, ACTION_NAMES.cpp_header_parsing, ACTION_NAMES.cpp_module_compile, ACTION_NAMES.cpp_module_codegen, ACTION_NAMES.cpp_module_deps_scanning, ACTION_NAMES.cpp20_module_compile, ACTION_NAMES.cpp20_module_codegen, ACTION_NAMES.cpp_link_executable, ACTION_NAMES.cpp_link_dynamic_library, ACTION_NAMES.cpp_link_nodeps_dynamic_library, ], flag_groups = [ flag_group( flags = ["--sysroot=%{sysroot}"], iterate_over = "sysroot", expand_if_available = "sysroot", ), ], ), ], ) unfiltered_compile_flags_feature = feature( name = "unfiltered_compile_flags", enabled = True, flag_sets = [ flag_set( actions = [ ACTION_NAMES.preprocess_assemble, ACTION_NAMES.c_compile, ACTION_NAMES.linkstamp_compile, ACTION_NAMES.cpp_compile, ACTION_NAMES.cpp_header_parsing, ACTION_NAMES.cpp_module_compile, ACTION_NAMES.cpp_module_codegen, ACTION_NAMES.cpp_module_deps_scanning, ACTION_NAMES.cpp20_module_compile, ACTION_NAMES.cpp20_module_codegen, ], flag_groups = [ flag_group( flags = ["%{unfiltered_compile_flags}"], iterate_over = "unfiltered_compile_flags", expand_if_available = "unfiltered_compile_flags", ), ], ), ], ) archive_param_file_feature = feature( name = "archive_param_file", enabled = True, ) compiler_param_file_feature = feature( name = "compiler_param_file", enabled = True, ) copy_dynamic_libraries_to_binary_feature = feature( name = "copy_dynamic_libraries_to_binary", ) input_param_flags_feature = feature( name = "input_param_flags", flag_sets = [ flag_set( actions = [ ACTION_NAMES.cpp_link_dynamic_library, ACTION_NAMES.cpp_link_nodeps_dynamic_library, ], flag_groups = [ flag_group( flags = ["/IMPLIB:%{interface_library_output_path}"], expand_if_available = "interface_library_output_path", ), ], ), flag_set( actions = all_link_actions, flag_groups = [ flag_group( flags = ["%{libopts}"], iterate_over = "libopts", expand_if_available = "libopts", ), ], ), flag_set( actions = all_link_actions + [ACTION_NAMES.cpp_link_static_library], flag_groups = [ flag_group( iterate_over = "libraries_to_link", flag_groups = [ flag_group( iterate_over = "libraries_to_link.object_files", flag_groups = [flag_group(flags = ["%{libraries_to_link.object_files}"])], expand_if_equal = variable_with_value( name = "libraries_to_link.type", value = "object_file_group", ), ), flag_group( flag_groups = [flag_group(flags = ["%{libraries_to_link.name}"])], expand_if_equal = variable_with_value( name = "libraries_to_link.type", value = "object_file", ), ), flag_group( flag_groups = [flag_group(flags = ["%{libraries_to_link.name}"])], expand_if_equal = variable_with_value( name = "libraries_to_link.type", value = "interface_library", ), ), flag_group( flag_groups = [ flag_group( flags = ["%{libraries_to_link.name}"], expand_if_false = "libraries_to_link.is_whole_archive", ), flag_group( flags = ["/WHOLEARCHIVE:%{libraries_to_link.name}"], expand_if_true = "libraries_to_link.is_whole_archive", ), ], expand_if_equal = variable_with_value( name = "libraries_to_link.type", value = "static_library", ), ), ], expand_if_available = "libraries_to_link", ), ], ), ], ) fastbuild_feature = feature( name = "fastbuild", flag_sets = [ flag_set( actions = [ACTION_NAMES.c_compile, ACTION_NAMES.cpp_compile], flag_groups = [flag_group(flags = ["/Od", "/Z7"])], ), flag_set( actions = all_link_actions, flag_groups = [ flag_group( flags = [ctx.attr.fastbuild_mode_debug_flag, "/INCREMENTAL:NO"], ), ], ), ], implies = ["generate_pdb_file"], ) user_compile_flags_feature = feature( name = "user_compile_flags", flag_sets = [ flag_set( actions = [ ACTION_NAMES.preprocess_assemble, ACTION_NAMES.c_compile, ACTION_NAMES.linkstamp_compile, ACTION_NAMES.cpp_compile, ACTION_NAMES.cpp_header_parsing, ACTION_NAMES.cpp_module_compile, ACTION_NAMES.cpp_module_codegen, ACTION_NAMES.cpp_module_deps_scanning, ACTION_NAMES.cpp20_module_compile, ACTION_NAMES.cpp20_module_codegen, ], flag_groups = [ flag_group( flags = ["%{user_compile_flags}"], iterate_over = "user_compile_flags", expand_if_available = "user_compile_flags", ), ], ), ], ) archiver_flags_feature = feature( name = "archiver_flags", flag_sets = [ flag_set( actions = [ACTION_NAMES.cpp_link_static_library], flag_groups = [ flag_group( flags = ["/OUT:%{output_execpath}"], expand_if_available = "output_execpath", ), flag_group( flags = ["%{user_archiver_flags}"], iterate_over = "user_archiver_flags", expand_if_available = "user_archiver_flags", ), flag_group( flags = ctx.attr.archiver_flags, ), ], ), ], ) default_link_flags_feature = feature( name = "default_link_flags", enabled = True, flag_sets = [ flag_set( actions = all_link_actions, flag_groups = [flag_group(flags = ctx.attr.default_link_flags)], ), ], ) static_link_msvcrt_feature = feature( name = "static_link_msvcrt", flag_sets = [ flag_set( actions = [ACTION_NAMES.c_compile, ACTION_NAMES.cpp_compile], flag_groups = [flag_group(flags = ["/MT"])], with_features = [with_feature_set(not_features = ["dbg"])], ), flag_set( actions = [ACTION_NAMES.c_compile, ACTION_NAMES.cpp_compile], flag_groups = [flag_group(flags = ["/MTd"])], with_features = [with_feature_set(features = ["dbg"])], ), flag_set( actions = all_link_actions, flag_groups = [flag_group(flags = ["/DEFAULTLIB:libcmt.lib"])], with_features = [with_feature_set(not_features = ["dbg"])], ), flag_set( actions = all_link_actions, flag_groups = [flag_group(flags = ["/DEFAULTLIB:libcmtd.lib"])], with_features = [with_feature_set(features = ["dbg"])], ), ], ) dynamic_link_msvcrt_feature = feature( name = "dynamic_link_msvcrt", enabled = True, flag_sets = [ flag_set( actions = [ACTION_NAMES.c_compile, ACTION_NAMES.cpp_compile], flag_groups = [flag_group(flags = ["/MD"])], with_features = [with_feature_set(not_features = ["dbg", "static_link_msvcrt"])], ), flag_set( actions = [ACTION_NAMES.c_compile, ACTION_NAMES.cpp_compile], flag_groups = [flag_group(flags = ["/MDd"])], with_features = [with_feature_set(features = ["dbg"], not_features = ["static_link_msvcrt"])], ), flag_set( actions = all_link_actions, flag_groups = [flag_group(flags = ["/DEFAULTLIB:msvcrt.lib"])], with_features = [with_feature_set(not_features = ["dbg", "static_link_msvcrt"])], ), flag_set( actions = all_link_actions, flag_groups = [flag_group(flags = ["/DEFAULTLIB:msvcrtd.lib"])], with_features = [with_feature_set(features = ["dbg"], not_features = ["static_link_msvcrt"])], ), ], ) dbg_feature = feature( name = "dbg", flag_sets = [ flag_set( actions = [ACTION_NAMES.c_compile, ACTION_NAMES.cpp_compile], flag_groups = [flag_group(flags = ["/Od", "/Z7"])], ), flag_set( actions = all_link_actions, flag_groups = [ flag_group( flags = [ctx.attr.dbg_mode_debug_flag, "/INCREMENTAL:NO"], ), ], ), ], implies = ["generate_pdb_file"], ) opt_feature = feature( name = "opt", flag_sets = [ flag_set( actions = [ACTION_NAMES.c_compile, ACTION_NAMES.cpp_compile], flag_groups = [flag_group(flags = ["/O2"])], ), ], implies = ["frame_pointer"], ) supports_interface_shared_libraries_feature = feature( name = "supports_interface_shared_libraries", enabled = True, ) user_link_flags_feature = feature( name = "user_link_flags", flag_sets = [ flag_set( actions = all_link_actions, flag_groups = [ flag_group( flags = ["%{user_link_flags}"], iterate_over = "user_link_flags", expand_if_available = "user_link_flags", ), ], ), ], ) default_compile_flags_feature = feature( name = "default_compile_flags", enabled = True, flag_sets = [ flag_set( actions = [ ACTION_NAMES.assemble, ACTION_NAMES.preprocess_assemble, ACTION_NAMES.linkstamp_compile, ACTION_NAMES.c_compile, ACTION_NAMES.cpp_compile, ACTION_NAMES.cpp_header_parsing, ACTION_NAMES.cpp_module_compile, ACTION_NAMES.cpp_module_codegen, ACTION_NAMES.cpp_module_deps_scanning, ACTION_NAMES.cpp20_module_compile, ACTION_NAMES.cpp20_module_codegen, ACTION_NAMES.lto_backend, ACTION_NAMES.clif_match, ], flag_groups = [ flag_group( flags = [ "/DCOMPILER_MSVC", "/DNOMINMAX", "/D_WIN32_WINNT=0x0601", "/D_CRT_SECURE_NO_DEPRECATE", "/D_CRT_SECURE_NO_WARNINGS", "/bigobj", "/Zm500", "/EHsc", "/wd4351", "/wd4291", "/wd4250", "/wd4996", ], ), ], ), ], ) msvc_compile_env_feature = feature( name = "msvc_compile_env", env_sets = [ env_set( actions = [ ACTION_NAMES.c_compile, ACTION_NAMES.linkstamp_compile, ACTION_NAMES.cpp_compile, ACTION_NAMES.cpp_module_compile, ACTION_NAMES.cpp_module_codegen, ACTION_NAMES.cpp_header_parsing, ACTION_NAMES.cpp_module_deps_scanning, ACTION_NAMES.cpp20_module_compile, ACTION_NAMES.cpp20_module_codegen, ACTION_NAMES.assemble, ACTION_NAMES.preprocess_assemble, ], env_entries = [env_entry(key = "INCLUDE", value = ctx.attr.msvc_env_include)], ), ], ) preprocessor_defines_feature = feature( name = "preprocessor_defines", enabled = True, flag_sets = [ flag_set( actions = [ ACTION_NAMES.assemble, ACTION_NAMES.preprocess_assemble, ACTION_NAMES.c_compile, ACTION_NAMES.linkstamp_compile, ACTION_NAMES.cpp_compile, ACTION_NAMES.cpp_header_parsing, ACTION_NAMES.cpp_module_compile, ACTION_NAMES.cpp_module_deps_scanning, ACTION_NAMES.cpp20_module_compile, ], flag_groups = [ flag_group( flags = ["/D%{preprocessor_defines}"], iterate_over = "preprocessor_defines", ), ], ), ], ) generate_pdb_file_feature = feature( name = "generate_pdb_file", ) generate_linkmap_feature = feature( name = "generate_linkmap", flag_sets = [ flag_set( actions = [ ACTION_NAMES.cpp_link_executable, ], flag_groups = [ flag_group( flags = [ "/MAP:%{output_execpath}.map", ], expand_if_available = "output_execpath", ), ], ), ], ) output_execpath_flags_feature = feature( name = "output_execpath_flags", flag_sets = [ flag_set( actions = all_link_actions, flag_groups = [ flag_group( flags = ["/OUT:%{output_execpath}"], expand_if_available = "output_execpath", ), ], ), ], ) disable_assertions_feature = feature( name = "disable_assertions", enabled = True, flag_sets = [ flag_set( actions = [ACTION_NAMES.c_compile, ACTION_NAMES.cpp_compile], flag_groups = [flag_group(flags = ["/DNDEBUG"])], with_features = [with_feature_set(features = ["opt"])], ), ], ) has_configured_linker_path_feature = feature(name = "has_configured_linker_path") supports_dynamic_linker_feature = feature(name = "supports_dynamic_linker", enabled = True) no_stripping_feature = feature(name = "no_stripping") linker_param_file_feature = feature( name = "linker_param_file", flag_sets = [ flag_set( actions = all_link_actions + [ACTION_NAMES.cpp_link_static_library], flag_groups = [ flag_group( flags = ["@%{linker_param_file}"], expand_if_available = "linker_param_file", ), ], ), ], ) ignore_noisy_warnings_feature = feature( name = "ignore_noisy_warnings", enabled = True, flag_sets = [ flag_set( actions = [ACTION_NAMES.cpp_link_static_library], flag_groups = [flag_group(flags = ["/ignore:4221"])], ), ], ) no_legacy_features_feature = feature(name = "no_legacy_features") parse_showincludes_feature = feature( name = "parse_showincludes", enabled = ctx.attr.supports_parse_showincludes, flag_sets = [ flag_set( actions = [ ACTION_NAMES.preprocess_assemble, ACTION_NAMES.c_compile, ACTION_NAMES.linkstamp_compile, ACTION_NAMES.cpp_compile, ACTION_NAMES.cpp_module_compile, ACTION_NAMES.cpp_header_parsing, ACTION_NAMES.cpp_module_deps_scanning, ACTION_NAMES.cpp20_module_compile, ], flag_groups = [flag_group(flags = ["/showIncludes"])], ), ], env_sets = [ env_set( actions = [ ACTION_NAMES.preprocess_assemble, ACTION_NAMES.c_compile, ACTION_NAMES.linkstamp_compile, ACTION_NAMES.cpp_compile, ACTION_NAMES.cpp_module_compile, ACTION_NAMES.cpp_header_parsing, ], # Force English (and thus a consistent locale) output so that Bazel can parse # the /showIncludes output without having to guess the encoding. env_entries = [env_entry(key = "VSLANG", value = "1033")], ), ], ) # MSVC does not emit .d files. no_dotd_file_feature = feature( name = "no_dotd_file", enabled = True, ) treat_warnings_as_errors_feature = feature( name = "treat_warnings_as_errors", flag_sets = [ flag_set( actions = [ACTION_NAMES.c_compile, ACTION_NAMES.cpp_compile] + all_link_actions, flag_groups = [flag_group(flags = ["/WX"])], ), ], ) windows_export_all_symbols_feature = feature(name = "windows_export_all_symbols") no_windows_export_all_symbols_feature = feature(name = "no_windows_export_all_symbols") include_paths_feature = feature( name = "include_paths", enabled = True, flag_sets = [ flag_set( actions = [ ACTION_NAMES.assemble, ACTION_NAMES.preprocess_assemble, ACTION_NAMES.c_compile, ACTION_NAMES.linkstamp_compile, ACTION_NAMES.cpp_compile, ACTION_NAMES.cpp_header_parsing, ACTION_NAMES.cpp_module_compile, ], flag_groups = [ flag_group( flags = ["/I%{quote_include_paths}"], iterate_over = "quote_include_paths", ), flag_group( flags = ["/I%{include_paths}"], iterate_over = "include_paths", ), flag_group( flags = ["/I%{system_include_paths}"], iterate_over = "system_include_paths", ), ], ), ], ) external_include_paths_feature = feature( name = "external_include_paths", flag_sets = [ flag_set( actions = [ ACTION_NAMES.preprocess_assemble, ACTION_NAMES.linkstamp_compile, ACTION_NAMES.c_compile, ACTION_NAMES.cpp_compile, ACTION_NAMES.cpp_header_parsing, ACTION_NAMES.cpp_module_compile, ACTION_NAMES.cpp_module_deps_scanning, ACTION_NAMES.cpp20_module_compile, ACTION_NAMES.clif_match, ACTION_NAMES.objc_compile, ACTION_NAMES.objcpp_compile, ], flag_groups = [ flag_group( flags = ["/external:I%{external_include_paths}"], iterate_over = "external_include_paths", expand_if_available = "external_include_paths", ), ], ), ], ) linkstamps_feature = feature( name = "linkstamps", flag_sets = [ flag_set( actions = all_link_actions, flag_groups = [ flag_group( flags = ["%{linkstamp_paths}"], iterate_over = "linkstamp_paths", expand_if_available = "linkstamp_paths", ), ], ), ], ) targets_windows_feature = feature( name = "targets_windows", enabled = True, implies = ["copy_dynamic_libraries_to_binary"], ) linker_subsystem_flag_feature = feature( name = "linker_subsystem_flag", flag_sets = [ flag_set( actions = all_link_actions, flag_groups = [flag_group(flags = ["/SUBSYSTEM:CONSOLE"])], ), ], ) frame_pointer_feature = feature( name = "frame_pointer", flag_sets = [ flag_set( actions = [ACTION_NAMES.c_compile, ACTION_NAMES.cpp_compile], flag_groups = [flag_group(flags = ["/Oy-"])], ), ], ) compiler_output_flags_feature = feature( name = "compiler_output_flags", flag_sets = [ flag_set( actions = [ACTION_NAMES.assemble], flag_groups = [ flag_group( flag_groups = [ flag_group( flags = ["/Fo%{output_file}", "/Zi"], expand_if_available = "output_file", expand_if_not_available = "output_assembly_file", ), ], expand_if_not_available = "output_preprocess_file", ), ], ), flag_set( actions = [ ACTION_NAMES.preprocess_assemble, ACTION_NAMES.c_compile, ACTION_NAMES.linkstamp_compile, ACTION_NAMES.cpp_compile, ACTION_NAMES.cpp_header_parsing, ACTION_NAMES.cpp_module_compile, ACTION_NAMES.cpp_module_codegen, ACTION_NAMES.cpp_module_deps_scanning, ACTION_NAMES.cpp20_module_compile, ACTION_NAMES.cpp20_module_codegen, ], flag_groups = [ flag_group( flag_groups = [ flag_group( flags = ["/Fo%{output_file}"], expand_if_not_available = "output_preprocess_file", ), ], expand_if_available = "output_file", expand_if_not_available = "output_assembly_file", ), flag_group( flag_groups = [ flag_group( flags = ["/Fa%{output_file}"], expand_if_available = "output_assembly_file", ), ], expand_if_available = "output_file", ), flag_group( flag_groups = [ flag_group( flags = ["/P", "/Fi%{output_file}"], expand_if_available = "output_preprocess_file", ), ], expand_if_available = "output_file", ), ], ), ], ) nologo_feature = feature( name = "nologo", flag_sets = [ flag_set( actions = [ ACTION_NAMES.c_compile, ACTION_NAMES.linkstamp_compile, ACTION_NAMES.cpp_compile, ACTION_NAMES.cpp_module_compile, ACTION_NAMES.cpp_module_codegen, ACTION_NAMES.cpp_header_parsing, ACTION_NAMES.cpp_module_deps_scanning, ACTION_NAMES.cpp20_module_compile, ACTION_NAMES.cpp20_module_codegen, ACTION_NAMES.assemble, ACTION_NAMES.preprocess_assemble, ACTION_NAMES.cpp_link_executable, ACTION_NAMES.cpp_link_dynamic_library, ACTION_NAMES.cpp_link_nodeps_dynamic_library, ACTION_NAMES.cpp_link_static_library, ], flag_groups = [flag_group(flags = ["/nologo"])], ), ], ) smaller_binary_feature = feature( name = "smaller_binary", enabled = True, flag_sets = [ flag_set( actions = [ACTION_NAMES.c_compile, ACTION_NAMES.cpp_compile], flag_groups = [flag_group(flags = ["/Gy", "/Gw"])], with_features = [with_feature_set(features = ["opt"])], ), flag_set( actions = all_link_actions, flag_groups = [flag_group(flags = ["/OPT:ICF", "/OPT:REF"])], with_features = [with_feature_set(features = ["opt"])], ), ], ) remove_unreferenced_code_feature = feature( name = "remove_unreferenced_code", enabled = True, flag_sets = [ flag_set( actions = [ACTION_NAMES.c_compile, ACTION_NAMES.cpp_compile], flag_groups = [flag_group(flags = ["/Zc:inline"])], ), ], ) compiler_input_flags_feature = feature( name = "compiler_input_flags", flag_sets = [ flag_set( actions = [ ACTION_NAMES.assemble, ACTION_NAMES.preprocess_assemble, ACTION_NAMES.c_compile, ACTION_NAMES.linkstamp_compile, ACTION_NAMES.cpp_compile, ACTION_NAMES.cpp_header_parsing, ACTION_NAMES.cpp_module_compile, ACTION_NAMES.cpp_module_codegen, ACTION_NAMES.cpp_module_deps_scanning, ACTION_NAMES.cpp20_module_compile, ACTION_NAMES.cpp20_module_codegen, ], flag_groups = [ flag_group( flags = ["/c", "%{source_file}"], expand_if_available = "source_file", ), ], ), ], ) def_file_feature = feature( name = "def_file", flag_sets = [ flag_set( actions = all_link_actions, flag_groups = [ flag_group( flags = ["/DEF:%{def_file_path}", "/ignore:4070"], expand_if_available = "def_file_path", ), ], ), ], ) msvc_env_feature = feature( name = "msvc_env", env_sets = [ env_set( actions = [ ACTION_NAMES.c_compile, ACTION_NAMES.linkstamp_compile, ACTION_NAMES.cpp_compile, ACTION_NAMES.cpp_module_compile, ACTION_NAMES.cpp_module_codegen, ACTION_NAMES.cpp_header_parsing, ACTION_NAMES.cpp_module_deps_scanning, ACTION_NAMES.cpp20_module_compile, ACTION_NAMES.cpp20_module_codegen, ACTION_NAMES.assemble, ACTION_NAMES.preprocess_assemble, ACTION_NAMES.cpp_link_executable, ACTION_NAMES.cpp_link_dynamic_library, ACTION_NAMES.cpp_link_nodeps_dynamic_library, ACTION_NAMES.cpp_link_static_library, ], env_entries = [ env_entry(key = "PATH", value = ctx.attr.msvc_env_path), env_entry(key = "TMP", value = ctx.attr.msvc_env_tmp), env_entry(key = "TEMP", value = ctx.attr.msvc_env_tmp), ], ), ], implies = ["msvc_compile_env", "msvc_link_env"], ) symbol_check_feature = feature( name = "symbol_check", flag_sets = [ flag_set( actions = [ACTION_NAMES.cpp_link_static_library], flag_groups = [flag_group(flags = ["/WX:4006"])], ), ], ) features = [ no_legacy_features_feature, nologo_feature, has_configured_linker_path_feature, no_stripping_feature, targets_windows_feature, copy_dynamic_libraries_to_binary_feature, default_compile_flags_feature, msvc_env_feature, msvc_compile_env_feature, msvc_link_env_feature, include_paths_feature, external_include_paths_feature, preprocessor_defines_feature, parse_showincludes_feature, no_dotd_file_feature, generate_pdb_file_feature, generate_linkmap_feature, shared_flag_feature, linkstamps_feature, output_execpath_flags_feature, archiver_flags_feature, input_param_flags_feature, linker_subsystem_flag_feature, user_link_flags_feature, default_link_flags_feature, linker_param_file_feature, static_link_msvcrt_feature, dynamic_link_msvcrt_feature, dbg_feature, fastbuild_feature, opt_feature, frame_pointer_feature, disable_assertions_feature, determinism_feature, treat_warnings_as_errors_feature, smaller_binary_feature, remove_unreferenced_code_feature, ignore_noisy_warnings_feature, user_compile_flags_feature, sysroot_feature, unfiltered_compile_flags_feature, archive_param_file_feature, compiler_param_file_feature, compiler_output_flags_feature, compiler_input_flags_feature, def_file_feature, windows_export_all_symbols_feature, no_windows_export_all_symbols_feature, supports_dynamic_linker_feature, supports_interface_shared_libraries_feature, symbol_check_feature, ] else: targets_windows_feature = feature( name = "targets_windows", implies = ["copy_dynamic_libraries_to_binary"], enabled = True, ) copy_dynamic_libraries_to_binary_feature = feature(name = "copy_dynamic_libraries_to_binary") gcc_env_feature = feature( name = "gcc_env", enabled = True, env_sets = [ env_set( actions = [ ACTION_NAMES.c_compile, ACTION_NAMES.linkstamp_compile, ACTION_NAMES.cpp_compile, ACTION_NAMES.cpp_module_compile, ACTION_NAMES.cpp_module_codegen, ACTION_NAMES.cpp_header_parsing, ACTION_NAMES.cpp_module_deps_scanning, ACTION_NAMES.cpp20_module_compile, ACTION_NAMES.cpp20_module_codegen, ACTION_NAMES.assemble, ACTION_NAMES.preprocess_assemble, ACTION_NAMES.cpp_link_executable, ACTION_NAMES.cpp_link_dynamic_library, ACTION_NAMES.cpp_link_nodeps_dynamic_library, ACTION_NAMES.cpp_link_static_library, ], env_entries = [ env_entry(key = "PATH", value = ctx.attr.tool_bin_path), ], ), ], ) default_compile_flags_feature = feature( name = "default_compile_flags", enabled = True, flag_sets = [ flag_set( actions = [ ACTION_NAMES.linkstamp_compile, ACTION_NAMES.cpp_compile, ACTION_NAMES.cpp_header_parsing, ACTION_NAMES.cpp_module_compile, ACTION_NAMES.cpp_module_codegen, ACTION_NAMES.cpp_module_deps_scanning, ACTION_NAMES.cpp20_module_compile, ACTION_NAMES.cpp20_module_codegen, ACTION_NAMES.lto_backend, ACTION_NAMES.clif_match, ], flag_groups = [flag_group(flags = ["-std=gnu++14"] + ctx.attr.default_compile_flags)], ), ], ) default_link_flags_feature = feature( name = "default_link_flags", enabled = True, flag_sets = [ flag_set( actions = all_link_actions, flag_groups = [flag_group(flags = ["-lstdc++"] + ctx.attr.default_link_flags)], ), ], ) supports_dynamic_linker_feature = feature( name = "supports_dynamic_linker", enabled = True, ) dbg_feature = feature( name = "dbg", flag_sets = [ flag_set( actions = [ACTION_NAMES.c_compile, ACTION_NAMES.cpp_compile], flag_groups = [flag_group(flags = ["-g", "-Og"])], ), ], ) opt_feature = feature( name = "opt", flag_sets = [ flag_set( actions = [ACTION_NAMES.c_compile, ACTION_NAMES.cpp_compile], flag_groups = [flag_group(flags = [ "-g0", "-O3", "-DNDEBUG", "-ffunction-sections", "-fdata-sections", ])], ), flag_set( actions = all_link_actions, flag_groups = [flag_group(flags = ["-Wl,--gc-sections"])], ), ], ) if ctx.attr.cpu == "x64_windows" and ctx.attr.compiler == "mingw-gcc": archive_param_file_feature = feature( name = "archive_param_file", enabled = True, ) compiler_param_file_feature = feature( name = "compiler_param_file", ) features = [ targets_windows_feature, copy_dynamic_libraries_to_binary_feature, gcc_env_feature, default_compile_flags_feature, archive_param_file_feature, compiler_param_file_feature, default_link_flags_feature, supports_dynamic_linker_feature, dbg_feature, opt_feature, ] else: supports_pic_feature = feature( name = "supports_pic", enabled = True, ) sysroot_feature = feature( name = "sysroot", enabled = True, flag_sets = [ flag_set( actions = [ ACTION_NAMES.preprocess_assemble, ACTION_NAMES.linkstamp_compile, ACTION_NAMES.c_compile, ACTION_NAMES.cpp_compile, ACTION_NAMES.cpp_header_parsing, ACTION_NAMES.cpp_module_compile, ACTION_NAMES.cpp_module_codegen, ACTION_NAMES.cpp_module_deps_scanning, ACTION_NAMES.cpp20_module_compile, ACTION_NAMES.cpp20_module_codegen, ACTION_NAMES.lto_backend, ACTION_NAMES.clif_match, ACTION_NAMES.cpp_link_executable, ACTION_NAMES.cpp_link_dynamic_library, ACTION_NAMES.cpp_link_nodeps_dynamic_library, ], flag_groups = [ flag_group( flags = ["--sysroot=%{sysroot}"], expand_if_available = "sysroot", ), ], ), ], ) fdo_optimize_feature = feature( name = "fdo_optimize", flag_sets = [ flag_set( actions = [ACTION_NAMES.c_compile, ACTION_NAMES.cpp_compile], flag_groups = [ flag_group( flags = [ "-fprofile-use=%{fdo_profile_path}", "-fprofile-correction", ], expand_if_available = "fdo_profile_path", ), ], ), ], provides = ["profile"], ) treat_warnings_as_errors_feature = feature( name = "treat_warnings_as_errors", flag_sets = [ flag_set( actions = [ACTION_NAMES.c_compile, ACTION_NAMES.cpp_compile], flag_groups = [flag_group(flags = ["-Werror"])], ), flag_set( actions = all_link_actions, flag_groups = [flag_group(flags = ["-Wl,-fatal-warnings"])], ), ], ) user_compile_flags_feature = feature( name = "user_compile_flags", enabled = True, flag_sets = [ flag_set( actions = [ ACTION_NAMES.assemble, ACTION_NAMES.preprocess_assemble, ACTION_NAMES.linkstamp_compile, ACTION_NAMES.c_compile, ACTION_NAMES.cpp_compile, ACTION_NAMES.cpp_header_parsing, ACTION_NAMES.cpp_module_compile, ACTION_NAMES.cpp_module_codegen, ACTION_NAMES.cpp_module_deps_scanning, ACTION_NAMES.cpp20_module_compile, ACTION_NAMES.cpp20_module_codegen, ACTION_NAMES.lto_backend, ACTION_NAMES.clif_match, ], flag_groups = [ flag_group( flags = ["%{user_compile_flags}"], iterate_over = "user_compile_flags", expand_if_available = "user_compile_flags", ), ], ), ], ) features = [ targets_windows_feature, copy_dynamic_libraries_to_binary_feature, gcc_env_feature, supports_pic_feature, default_compile_flags_feature, default_link_flags_feature, fdo_optimize_feature, supports_dynamic_linker_feature, dbg_feature, opt_feature, user_compile_flags_feature, treat_warnings_as_errors_feature, sysroot_feature, ] tool_paths = [ tool_path(name = name, path = path) for name, path in ctx.attr.tool_paths.items() ] make_variables = [] # dumpbin.exe is not available in MSYS toolchain if "dumpbin" in ctx.attr.tool_paths: make_variables.append(make_variable(name = "DUMPBIN", value = ctx.attr.tool_paths["dumpbin"])) # Tell bazel we support C++ modules now cpp_modules_feature = feature( name = "cpp_modules", # set default value to False # to enable the feature # use --features=cpp_modules # or add cpp_modules to features attr enabled = False, ) cpp_module_modmap_file_feature = feature( name = "cpp_module_modmap_file", flag_sets = [ flag_set( actions = [ ACTION_NAMES.cpp_compile, ACTION_NAMES.cpp20_module_compile, ACTION_NAMES.cpp20_module_codegen, ], flag_groups = [ flag_group( flags = ["@%{cpp_module_modmap_file}"], expand_if_available = "cpp_module_modmap_file", ), ], ), ], enabled = True, ) cpp20_module_compile_flags_feature = feature( name = "cpp20_module_compile_flags", flag_sets = [ flag_set( actions = [ ACTION_NAMES.cpp20_module_compile, ], flag_groups = [ flag_group( flags = ["/ifcOutput%{cpp_module_output_file}"], expand_if_available = "cpp_module_output_file", ), ], ), ], enabled = True, ) return cc_common.create_cc_toolchain_config_info( ctx = ctx, features = features + [cpp_modules_feature, cpp_module_modmap_file_feature, cpp20_module_compile_flags_feature], action_configs = action_configs, artifact_name_patterns = artifact_name_patterns, cxx_builtin_include_directories = ctx.attr.cxx_builtin_include_directories, toolchain_identifier = ctx.attr.toolchain_identifier, host_system_name = ctx.attr.host_system_name, target_system_name = ctx.attr.target_system_name, target_cpu = ctx.attr.cpu, target_libc = ctx.attr.target_libc, compiler = ctx.attr.compiler, abi_version = ctx.attr.abi_version, abi_libc_version = ctx.attr.abi_libc_version, tool_paths = tool_paths, make_variables = make_variables, ) cc_toolchain_config = rule( implementation = _impl, attrs = { "abi_libc_version": attr.string(), "abi_version": attr.string(), "archiver_flags": attr.string_list(default = []), "compiler": attr.string(), "cpu": attr.string(mandatory = True), "cxx_builtin_include_directories": attr.string_list(), "dbg_mode_debug_flag": attr.string(default = ""), "default_compile_flags": attr.string_list(default = []), "default_link_flags": attr.string_list(default = []), "fastbuild_mode_debug_flag": attr.string(default = ""), "host_system_name": attr.string(), "msvc_cl_path": attr.string(default = "vc_installation_error.bat"), "msvc_env_include": attr.string(default = "msvc_not_found"), "msvc_env_lib": attr.string(default = "msvc_not_found"), "msvc_env_path": attr.string(default = "msvc_not_found"), "msvc_env_tmp": attr.string(default = "msvc_not_found"), "msvc_lib_path": attr.string(default = "vc_installation_error.bat"), "msvc_link_path": attr.string(default = "vc_installation_error.bat"), "msvc_ml_path": attr.string(default = "vc_installation_error.bat"), "supports_parse_showincludes": attr.bool(), "target_libc": attr.string(), "target_system_name": attr.string(), "tool_bin_path": attr.string(default = "not_found"), "tool_paths": attr.string_dict(), "toolchain_identifier": attr.string(), }, provides = [CcToolchainConfigInfo], )