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cc_toolchain_config.bzl
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# 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 C++ toolchain configuration rule for macOS."""
load(
"@bazel_tools//tools/cpp:cc_toolchain_config_lib.bzl",
"action_config",
"artifact_name_pattern",
"env_entry",
"env_set",
"feature",
"feature_set",
"flag_group",
"flag_set",
"make_variable",
"tool",
"tool_path",
"variable_with_value",
"with_feature_set",
)
load("@bazel_tools//tools/build_defs/cc:action_names.bzl", "ACTION_NAMES")
# The Xcode version from which that has support for deterministic mode
_SUPPORTS_DETERMINISTIC_MODE = "10.2"
def _compare_versions(dv1, v2):
"""Return value is <0, 0, >0 depending on DottedVersion dv1 comparison to string v2."""
return dv1.compare_to(apple_common.dotted_version(v2))
def _can_use_deterministic_libtool(ctx):
"""Returns `True` if the current version of `libtool` has support for
deterministic mode, and `False` otherwise."""
xcode_config = ctx.attr._xcode_config[apple_common.XcodeVersionConfig]
xcode_version = xcode_config.xcode_version()
if _compare_versions(xcode_version, _SUPPORTS_DETERMINISTIC_MODE) >= 0:
return True
else:
return False
def _deterministic_libtool_flags(ctx):
"""Returns additional `libtool` flags to enable deterministic mode, if they
are available."""
if _can_use_deterministic_libtool(ctx):
return ["-D"]
return []
def _target_os_version(ctx):
platform_type = ctx.fragments.apple.single_arch_platform.platform_type
xcode_config = ctx.attr._xcode_config[apple_common.XcodeVersionConfig]
return xcode_config.minimum_os_for_platform_type(platform_type)
def _impl(ctx):
target_os_version = _target_os_version(ctx)
if (ctx.attr.cpu == "ios_arm64"):
target_system_name = "arm64-apple-ios{}".format(target_os_version)
elif (ctx.attr.cpu == "tvos_arm64"):
target_system_name = "arm64-apple-tvos{}".format(target_os_version)
elif (ctx.attr.cpu == "watchos_arm64_32"):
target_system_name = "arm64_32-apple-watchos{}".format(target_os_version)
elif (ctx.attr.cpu == "ios_arm64e"):
target_system_name = "arm64e-apple-ios{}".format(target_os_version)
elif (ctx.attr.cpu == "ios_armv7"):
target_system_name = "armv7-apple-ios{}".format(target_os_version)
elif (ctx.attr.cpu == "watchos_armv7k"):
target_system_name = "armv7k-apple-watchos{}".format(target_os_version)
elif (ctx.attr.cpu == "ios_i386"):
target_system_name = "i386-apple-ios{}-simulator".format(target_os_version)
elif (ctx.attr.cpu == "watchos_i386"):
target_system_name = "i386-apple-watchos{}-simulator".format(target_os_version)
elif (ctx.attr.cpu == "ios_x86_64"):
target_system_name = "x86_64-apple-ios{}-simulator".format(target_os_version)
elif (ctx.attr.cpu == "ios_sim_arm64"):
target_system_name = "arm64-apple-ios{}-simulator".format(target_os_version)
elif (ctx.attr.cpu == "tvos_sim_arm64"):
target_system_name = "arm64-apple-tvos{}-simulator".format(target_os_version)
elif (ctx.attr.cpu == "watchos_arm64"):
target_system_name = "arm64-apple-watchos{}-simulator".format(target_os_version)
elif (ctx.attr.cpu == "darwin_x86_64"):
target_system_name = "x86_64-apple-macosx{}".format(target_os_version)
elif (ctx.attr.cpu == "darwin_arm64"):
target_system_name = "arm64-apple-macosx{}".format(target_os_version)
elif (ctx.attr.cpu == "darwin_arm64e"):
target_system_name = "arm64e-apple-macosx{}".format(target_os_version)
elif (ctx.attr.cpu == "tvos_x86_64"):
target_system_name = "x86_64-apple-tvos{}-simulator".format(target_os_version)
elif (ctx.attr.cpu == "watchos_x86_64"):
target_system_name = "x86_64-apple-watchos{}-simulator".format(target_os_version)
else:
fail("Unreachable")
if ctx.attr.cpu.startswith("darwin_"):
target_libc = "macosx"
else:
target_libc = ctx.attr.cpu.split("_")[0]
if ctx.attr.cpu == "darwin_x86_64":
abi_libc_version = "darwin_x86_64"
abi_version = "darwin_x86_64"
else:
abi_libc_version = "local"
abi_version = "local"
host_system_name = "x86_64-apple-macosx"
arch = ctx.attr.cpu.split("_", 1)[-1]
if ctx.attr.cpu in ["ios_sim_arm64", "tvos_sim_arm64", "watchos_arm64"]:
arch = "arm64"
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.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.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.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.lto_backend,
]
all_link_actions = [
ACTION_NAMES.cpp_link_executable,
ACTION_NAMES.cpp_link_dynamic_library,
ACTION_NAMES.cpp_link_nodeps_dynamic_library,
]
strip_action = action_config(
action_name = ACTION_NAMES.strip,
flag_sets = [
flag_set(
flag_groups = [
flag_group(flags = ["-S", "-o", "%{output_file}"]),
flag_group(
flags = ["%{stripopts}"],
iterate_over = "stripopts",
),
flag_group(flags = ["%{input_file}"]),
],
),
],
tools = [tool(path = "/usr/bin/strip")],
)
xcode_config = ctx.attr._xcode_config[apple_common.XcodeVersionConfig]
xcode_execution_requirements = xcode_config.execution_info().keys()
cpp_header_parsing_action = action_config(
action_name = ACTION_NAMES.cpp_header_parsing,
implies = [
"preprocessor_defines",
"include_system_dirs",
"objc_arc",
"no_objc_arc",
"apple_env",
"user_compile_flags",
"sysroot",
"unfiltered_compile_flags",
"compiler_input_flags",
"compiler_output_flags",
"unfiltered_cxx_flags",
],
tools = [
tool(
path = "wrapped_clang",
execution_requirements = xcode_execution_requirements,
),
],
)
objc_compile_action = action_config(
action_name = ACTION_NAMES.objc_compile,
flag_sets = [
flag_set(
flag_groups = [flag_group(flags = ["-target", target_system_name])],
),
],
implies = [
"compiler_input_flags",
"compiler_output_flags",
"objc_actions",
"apply_default_compiler_flags",
"apply_default_warnings",
"framework_paths",
"preprocessor_defines",
"include_system_dirs",
"objc_arc",
"no_objc_arc",
"apple_env",
"user_compile_flags",
"sysroot",
"unfiltered_compile_flags",
"apply_simulator_compiler_flags",
],
tools = [
tool(
path = "wrapped_clang",
execution_requirements = xcode_execution_requirements,
),
],
)
objcpp_executable_action = action_config(
action_name = "objc++-executable",
flag_sets = [
flag_set(
flag_groups = [
flag_group(flags = ["-stdlib=libc++", "-std=gnu++11"]),
flag_group(flags = ["-target", target_system_name]),
flag_group(
flags = [
"-Xlinker",
"-objc_abi_version",
"-Xlinker",
"2",
"-fobjc-link-runtime",
"-ObjC",
],
),
flag_group(
flags = ["-framework", "%{framework_names}"],
iterate_over = "framework_names",
),
flag_group(
flags = ["-weak_framework", "%{weak_framework_names}"],
iterate_over = "weak_framework_names",
),
flag_group(
flags = ["-l%{library_names}"],
iterate_over = "library_names",
),
flag_group(flags = ["-filelist", "%{filelist}"]),
flag_group(flags = ["-o", "%{linked_binary}"]),
flag_group(
flags = ["-force_load", "%{force_load_exec_paths}"],
iterate_over = "force_load_exec_paths",
),
flag_group(
flags = ["%{dep_linkopts}"],
iterate_over = "dep_linkopts",
),
flag_group(
flags = ["-Wl,%{attr_linkopts}"],
iterate_over = "attr_linkopts",
),
],
),
],
implies = [
"include_system_dirs",
"framework_paths",
"strip_debug_symbols",
"apple_env",
"apply_implicit_frameworks",
],
tools = [
tool(
path = "wrapped_clang_pp",
execution_requirements = xcode_execution_requirements,
),
],
)
cpp_link_dynamic_library_action = action_config(
action_name = ACTION_NAMES.cpp_link_dynamic_library,
implies = [
"contains_objc_source",
"has_configured_linker_path",
"symbol_counts",
"shared_flag",
"linkstamps",
"output_execpath_flags",
"runtime_root_flags",
"input_param_flags",
"strip_debug_symbols",
"linker_param_file",
"apple_env",
"sysroot",
"cpp_linker_flags",
],
tools = [
tool(
path = "cc_wrapper.sh",
execution_requirements = xcode_execution_requirements,
),
],
)
cpp_link_static_library_action = action_config(
action_name = ACTION_NAMES.cpp_link_static_library,
implies = [
"runtime_root_flags",
"archiver_flags",
"input_param_flags",
"linker_param_file",
"apple_env",
],
tools = [
tool(
path = "libtool",
execution_requirements = xcode_execution_requirements,
),
],
)
c_compile_action = action_config(
action_name = ACTION_NAMES.c_compile,
implies = [
"preprocessor_defines",
"include_system_dirs",
"objc_arc",
"no_objc_arc",
"apple_env",
"user_compile_flags",
"sysroot",
"unfiltered_compile_flags",
"compiler_input_flags",
"compiler_output_flags",
"unfiltered_cxx_flags",
],
tools = [
tool(
path = "wrapped_clang",
execution_requirements = xcode_execution_requirements,
),
],
)
cpp_compile_action = action_config(
action_name = ACTION_NAMES.cpp_compile,
implies = [
"preprocessor_defines",
"include_system_dirs",
"objc_arc",
"no_objc_arc",
"apple_env",
"user_compile_flags",
"sysroot",
"unfiltered_compile_flags",
"compiler_input_flags",
"compiler_output_flags",
"unfiltered_cxx_flags",
],
tools = [
tool(
path = "wrapped_clang_pp",
execution_requirements = xcode_execution_requirements,
),
],
)
objcpp_compile_action = action_config(
action_name = ACTION_NAMES.objcpp_compile,
flag_sets = [
flag_set(
flag_groups = [
flag_group(
flags = [
"-target",
target_system_name,
"-stdlib=libc++",
"-std=gnu++11",
],
),
],
),
],
implies = [
"compiler_input_flags",
"compiler_output_flags",
"apply_default_compiler_flags",
"apply_default_warnings",
"framework_paths",
"preprocessor_defines",
"include_system_dirs",
"objc_arc",
"no_objc_arc",
"apple_env",
"user_compile_flags",
"sysroot",
"unfiltered_compile_flags",
"apply_simulator_compiler_flags",
],
tools = [
tool(
path = "wrapped_clang_pp",
execution_requirements = xcode_execution_requirements,
),
],
)
assemble_action = action_config(
action_name = ACTION_NAMES.assemble,
implies = [
"objc_arc",
"no_objc_arc",
"include_system_dirs",
"apple_env",
"user_compile_flags",
"sysroot",
"unfiltered_compile_flags",
"compiler_input_flags",
"compiler_output_flags",
"unfiltered_cxx_flags",
],
tools = [
tool(
path = "wrapped_clang",
execution_requirements = xcode_execution_requirements,
),
],
)
preprocess_assemble_action = action_config(
action_name = ACTION_NAMES.preprocess_assemble,
implies = [
"preprocessor_defines",
"include_system_dirs",
"objc_arc",
"no_objc_arc",
"apple_env",
"user_compile_flags",
"sysroot",
"unfiltered_compile_flags",
"compiler_input_flags",
"compiler_output_flags",
"unfiltered_cxx_flags",
],
tools = [
tool(
path = "wrapped_clang",
execution_requirements = xcode_execution_requirements,
),
],
)
objc_archive_action = action_config(
action_name = "objc-archive",
flag_sets = [
flag_set(
flag_groups = [
flag_group(
flags = _deterministic_libtool_flags(ctx) + [
"-no_warning_for_no_symbols",
"-static",
"-filelist",
"%{obj_list_path}",
"-arch_only",
arch,
"-syslibroot",
"%{sdk_dir}",
"-o",
"%{output_execpath}",
],
),
],
),
],
implies = ["apple_env"],
tools = [
tool(
path = "libtool",
execution_requirements = xcode_execution_requirements,
),
],
)
objc_executable_action = action_config(
action_name = "objc-executable",
flag_sets = [
flag_set(
flag_groups = [
flag_group(
flags = [
"-Xlinker",
"-objc_abi_version",
"-Xlinker",
"2",
"-fobjc-link-runtime",
"-ObjC",
],
),
],
with_features = [with_feature_set(not_features = ["kernel_extension"])],
),
flag_set(
flag_groups = [
flag_group(flags = ["-target", target_system_name]),
flag_group(
flags = ["-framework", "%{framework_names}"],
iterate_over = "framework_names",
),
flag_group(
flags = ["-weak_framework", "%{weak_framework_names}"],
iterate_over = "weak_framework_names",
),
flag_group(
flags = ["-l%{library_names}"],
iterate_over = "library_names",
),
flag_group(flags = ["-filelist", "%{filelist}"]),
flag_group(flags = ["-o", "%{linked_binary}"]),
flag_group(
flags = ["-force_load", "%{force_load_exec_paths}"],
iterate_over = "force_load_exec_paths",
),
flag_group(
flags = ["%{dep_linkopts}"],
iterate_over = "dep_linkopts",
),
flag_group(
flags = ["-Wl,%{attr_linkopts}"],
iterate_over = "attr_linkopts",
),
],
),
],
implies = [
"include_system_dirs",
"framework_paths",
"strip_debug_symbols",
"apple_env",
"apply_implicit_frameworks",
],
tools = [
tool(
path = "wrapped_clang",
execution_requirements = xcode_execution_requirements,
),
],
)
cpp_link_executable_action = action_config(
action_name = ACTION_NAMES.cpp_link_executable,
implies = [
"contains_objc_source",
"symbol_counts",
"linkstamps",
"output_execpath_flags",
"runtime_root_flags",
"input_param_flags",
"force_pic_flags",
"strip_debug_symbols",
"linker_param_file",
"apple_env",
"sysroot",
"cpp_linker_flags",
],
tools = [
tool(
path = "cc_wrapper.sh",
execution_requirements = xcode_execution_requirements,
),
],
)
linkstamp_compile_action = action_config(
action_name = ACTION_NAMES.linkstamp_compile,
implies = [
"preprocessor_defines",
"include_system_dirs",
"objc_arc",
"no_objc_arc",
"apple_env",
"user_compile_flags",
"sysroot",
"unfiltered_compile_flags",
"compiler_input_flags",
"compiler_output_flags",
],
tools = [
tool(
path = "wrapped_clang",
execution_requirements = xcode_execution_requirements,
),
],
)
cpp_module_compile_action = action_config(
action_name = ACTION_NAMES.cpp_module_compile,
implies = [
"preprocessor_defines",
"include_system_dirs",
"objc_arc",
"no_objc_arc",
"apple_env",
"user_compile_flags",
"sysroot",
"unfiltered_compile_flags",
"compiler_input_flags",
"compiler_output_flags",
"unfiltered_cxx_flags",
],
tools = [
tool(
path = "wrapped_clang",
execution_requirements = xcode_execution_requirements,
),
],
)
cpp_link_nodeps_dynamic_library_action = action_config(
action_name = ACTION_NAMES.cpp_link_nodeps_dynamic_library,
implies = [
"contains_objc_source",
"has_configured_linker_path",
"symbol_counts",
"shared_flag",
"linkstamps",
"output_execpath_flags",
"runtime_root_flags",
"input_param_flags",
"strip_debug_symbols",
"linker_param_file",
"apple_env",
"sysroot",
"cpp_linker_flags",
],
tools = [
tool(
path = "cc_wrapper.sh",
execution_requirements = xcode_execution_requirements,
),
],
)
objc_fully_link_action = action_config(
action_name = "objc-fully-link",
flag_sets = [
flag_set(
flag_groups = [
flag_group(
flags = _deterministic_libtool_flags(ctx) + [
"-no_warning_for_no_symbols",
"-static",
"-arch_only",
arch,
"-syslibroot",
"%{sdk_dir}",
"-o",
"%{fully_linked_archive_path}",
],
),
flag_group(
flags = ["%{objc_library_exec_paths}"],
iterate_over = "objc_library_exec_paths",
),
flag_group(
flags = ["%{cc_library_exec_paths}"],
iterate_over = "cc_library_exec_paths",
),
flag_group(
flags = ["%{imported_library_exec_paths}"],
iterate_over = "imported_library_exec_paths",
),
],
),
],
implies = ["apple_env"],
tools = [
tool(
path = "libtool",
execution_requirements = xcode_execution_requirements,
),
],
)
objcopy_embed_data_action = action_config(
action_name = "objcopy_embed_data",
enabled = True,
tools = [tool(path = "/usr/bin/objcopy")],
)
action_configs = [
strip_action,
c_compile_action,
cpp_compile_action,
linkstamp_compile_action,
cpp_module_compile_action,
cpp_header_parsing_action,
objc_compile_action,
objcpp_compile_action,
assemble_action,
preprocess_assemble_action,
objc_archive_action,
objc_executable_action,
objcpp_executable_action,
cpp_link_executable_action,
cpp_link_dynamic_library_action,
cpp_link_nodeps_dynamic_library_action,
cpp_link_static_library_action,
objc_fully_link_action,
objcopy_embed_data_action,
]
if (ctx.attr.cpu == "ios_arm64" or
ctx.attr.cpu == "ios_arm64e" or
ctx.attr.cpu == "ios_armv7" or
ctx.attr.cpu == "ios_i386" or
ctx.attr.cpu == "ios_x86_64" or
ctx.attr.cpu == "ios_sim_arm64" or
ctx.attr.cpu == "watchos_arm64_32" or
ctx.attr.cpu == "watchos_armv7k" or
ctx.attr.cpu == "watchos_i386" or
ctx.attr.cpu == "watchos_x86_64" or
ctx.attr.cpu == "watchos_arm64"):
apply_default_compiler_flags_feature = feature(
name = "apply_default_compiler_flags",
flag_sets = [
flag_set(
actions = [ACTION_NAMES.objc_compile, ACTION_NAMES.objcpp_compile],
flag_groups = [flag_group(flags = ["-DOS_IOS", "-fno-autolink"])],
),
],
)
elif (ctx.attr.cpu == "darwin_x86_64" or
ctx.attr.cpu == "darwin_arm64" or
ctx.attr.cpu == "darwin_arm64e"):
apply_default_compiler_flags_feature = feature(
name = "apply_default_compiler_flags",
flag_sets = [
flag_set(
actions = [ACTION_NAMES.objc_compile, ACTION_NAMES.objcpp_compile],
flag_groups = [flag_group(flags = ["-DOS_MACOSX", "-fno-autolink"])],
),
],
)
elif (ctx.attr.cpu == "tvos_arm64" or
ctx.attr.cpu == "tvos_x86_64" or
ctx.attr.cpu == "tvos_sim_arm64"):
apply_default_compiler_flags_feature = feature(
name = "apply_default_compiler_flags",
flag_sets = [
flag_set(
actions = [ACTION_NAMES.objc_compile, ACTION_NAMES.objcpp_compile],
flag_groups = [flag_group(flags = ["-DOS_TVOS", "-fno-autolink"])],
),
],
)
else:
apply_default_compiler_flags_feature = None
dynamic_linking_mode_feature = feature(name = "dynamic_linking_mode")
compile_all_modules_feature = feature(name = "compile_all_modules")
runtime_root_flags_feature = feature(
name = "runtime_root_flags",
flag_sets = [
flag_set(
actions = all_link_actions +
[ACTION_NAMES.cpp_link_static_library],
flag_groups = [
flag_group(
flags = [
"-Wl,-rpath,@loader_path/%{runtime_library_search_directories}",
],
iterate_over = "runtime_library_search_directories",
expand_if_available = "runtime_library_search_directories",
),
],
),
flag_set(
actions = all_link_actions +
[ACTION_NAMES.cpp_link_static_library],
flag_groups = [
flag_group(
flags = ["%{runtime_root_flags}"],
iterate_over = "runtime_root_flags",
expand_if_available = "runtime_root_flags",
),
],
),
flag_set(
actions = all_link_actions +
[ACTION_NAMES.cpp_link_static_library],
flag_groups = [
flag_group(
flags = ["%{runtime_root_entries}"],
iterate_over = "runtime_root_entries",
expand_if_available = "runtime_root_entries",
),
],
),
],
)
objc_arc_feature = feature(
name = "objc_arc",
flag_sets = [
flag_set(
actions = [
ACTION_NAMES.c_compile,
ACTION_NAMES.cpp_compile,
ACTION_NAMES.cpp_module_compile,
ACTION_NAMES.cpp_header_parsing,
ACTION_NAMES.assemble,
ACTION_NAMES.preprocess_assemble,
ACTION_NAMES.objc_compile,
ACTION_NAMES.objcpp_compile,
],
flag_groups = [
flag_group(
flags = ["-fobjc-arc"],
expand_if_available = "objc_arc",
),
],
),
],
)
unfiltered_cxx_flags_feature = feature(
name = "unfiltered_cxx_flags",
flag_sets = [
flag_set(
actions = [
ACTION_NAMES.c_compile,
ACTION_NAMES.cpp_compile,
ACTION_NAMES.cpp_module_compile,
ACTION_NAMES.cpp_header_parsing,
ACTION_NAMES.assemble,
ACTION_NAMES.preprocess_assemble,
],
flag_groups = [
flag_group(flags = ["-no-canonical-prefixes", "-pthread"]),
],
),
],
)
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.cpp_compile,
ACTION_NAMES.linkstamp_compile,
ACTION_NAMES.cpp_header_parsing,
ACTION_NAMES.cpp_module_compile,
ACTION_NAMES.cpp_module_codegen,
ACTION_NAMES.objc_compile,
ACTION_NAMES.objcpp_compile,
],
flag_groups = [
flag_group(
flags = ["-c", "%{source_file}"],
expand_if_available = "source_file",
),
],
),
],
)
strip_debug_symbols_feature = feature(
name = "strip_debug_symbols",
flag_sets = [
flag_set(
actions = all_link_actions +
["objc-executable", "objc++-executable"],
flag_groups = [
flag_group(
flags = ["-Wl,-S"],
expand_if_available = "strip_debug_symbols",
),
],
),
],
)
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 = ["-shared"])],
),
],
)
if (ctx.attr.cpu == "ios_i386" or
ctx.attr.cpu == "ios_x86_64" or
ctx.attr.cpu == "ios_sim_arm64" or
ctx.attr.cpu == "tvos_x86_64" or
ctx.attr.cpu == "tvos_sim_arm64" or
ctx.attr.cpu == "watchos_i386" or
ctx.attr.cpu == "watchos_x86_64" or
ctx.attr.cpu == "watchos_arm64"):
apply_simulator_compiler_flags_feature = feature(
name = "apply_simulator_compiler_flags",
flag_sets = [
flag_set(
actions = [ACTION_NAMES.objc_compile, ACTION_NAMES.objcpp_compile],
flag_groups = [
flag_group(
flags = [
"-fexceptions",
"-fasm-blocks",
"-fobjc-abi-version=2",
"-fobjc-legacy-dispatch",
],
),
],
),
],
)
else:
apply_simulator_compiler_flags_feature = feature(name = "apply_simulator_compiler_flags")
supports_pic_feature = feature(name = "supports_pic", enabled = True)
fastbuild_feature = feature(name = "fastbuild")
no_legacy_features_feature = feature(name = "no_legacy_features")
symbol_counts_feature = feature(
name = "symbol_counts",
flag_sets = [
flag_set(
actions = all_link_actions,
flag_groups = [
flag_group(
flags = ["-Wl,--print-symbol-counts=%{symbol_counts_output}"],
expand_if_available = "symbol_counts_output",
),
],
),
],
)
user_link_flags_feature = feature(
name = "user_link_flags",
enabled = True,
flag_sets = [
flag_set(
actions = all_link_actions +
["objc-executable", "objc++-executable"],
flag_groups = [
flag_group(
flags = ["%{user_link_flags}"],
iterate_over = "user_link_flags",
expand_if_available = "user_link_flags",
),
],
),
],
)
if (ctx.attr.cpu == "ios_arm64" or
ctx.attr.cpu == "ios_arm64e" or
ctx.attr.cpu == "ios_armv7" or
ctx.attr.cpu == "ios_i386" or
ctx.attr.cpu == "ios_x86_64" or
ctx.attr.cpu == "ios_sim_arm64" or
ctx.attr.cpu == "tvos_arm64" or