mirror of https://github.com/bazelbuild/rules_cc
309 lines
10 KiB
Python
309 lines
10 KiB
Python
# 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 FreeBSD and OpenBSD."""
|
|
|
|
load("@rules_cc//cc:action_names.bzl", "ACTION_NAMES")
|
|
load(
|
|
"@rules_cc//cc:cc_toolchain_config_lib.bzl",
|
|
"action_config",
|
|
"feature",
|
|
"flag_group",
|
|
"flag_set",
|
|
"tool",
|
|
"tool_path",
|
|
"with_feature_set",
|
|
) # buildifier: disable=deprecated-function
|
|
|
|
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,
|
|
]
|
|
|
|
all_link_actions = [
|
|
ACTION_NAMES.cpp_link_executable,
|
|
ACTION_NAMES.cpp_link_dynamic_library,
|
|
ACTION_NAMES.cpp_link_nodeps_dynamic_library,
|
|
]
|
|
|
|
def _impl(ctx):
|
|
cpu = ctx.attr.cpu
|
|
is_bsd = cpu == "freebsd" or cpu == "openbsd"
|
|
compiler = "compiler"
|
|
toolchain_identifier = "local_{}".format(cpu) if is_bsd else "stub_armeabi-v7a"
|
|
host_system_name = "local" if is_bsd else "armeabi-v7a"
|
|
target_system_name = "local" if is_bsd else "armeabi-v7a"
|
|
target_libc = "local" if is_bsd else "armeabi-v7a"
|
|
abi_version = "local" if is_bsd else "armeabi-v7a"
|
|
abi_libc_version = "local" if is_bsd else "armeabi-v7a"
|
|
|
|
objcopy_embed_data_action = action_config(
|
|
action_name = "objcopy_embed_data",
|
|
enabled = True,
|
|
tools = [tool(path = "/usr/bin/objcopy")],
|
|
)
|
|
|
|
action_configs = [objcopy_embed_data_action] if is_bsd else []
|
|
|
|
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++",
|
|
"-Wl,-z,relro,-z,now",
|
|
"-no-canonical-prefixes",
|
|
],
|
|
),
|
|
],
|
|
),
|
|
flag_set(
|
|
actions = all_link_actions,
|
|
flag_groups = [flag_group(flags = ["-Wl,--gc-sections"])],
|
|
with_features = [with_feature_set(features = ["opt"])],
|
|
),
|
|
],
|
|
)
|
|
|
|
unfiltered_compile_flags_feature = feature(
|
|
name = "unfiltered_compile_flags",
|
|
enabled = True,
|
|
flag_sets = [
|
|
flag_set(
|
|
actions = all_compile_actions,
|
|
flag_groups = [
|
|
flag_group(
|
|
flags = [
|
|
"-no-canonical-prefixes",
|
|
"-Wno-builtin-macro-redefined",
|
|
"-D__DATE__=\"redacted\"",
|
|
"-D__TIMESTAMP__=\"redacted\"",
|
|
"-D__TIME__=\"redacted\"",
|
|
],
|
|
),
|
|
],
|
|
),
|
|
],
|
|
)
|
|
|
|
supports_pic_feature = feature(name = "supports_pic", enabled = True)
|
|
|
|
default_compile_flags_feature = feature(
|
|
name = "default_compile_flags",
|
|
enabled = True,
|
|
flag_sets = [
|
|
flag_set(
|
|
actions = all_compile_actions,
|
|
flag_groups = [
|
|
flag_group(
|
|
flags = [
|
|
"-U_FORTIFY_SOURCE",
|
|
"-D_FORTIFY_SOURCE=1",
|
|
"-fstack-protector",
|
|
"-Wall",
|
|
"-fno-omit-frame-pointer",
|
|
],
|
|
),
|
|
],
|
|
),
|
|
flag_set(
|
|
actions = all_compile_actions,
|
|
flag_groups = [flag_group(flags = ["-g"])],
|
|
with_features = [with_feature_set(features = ["dbg"])],
|
|
),
|
|
flag_set(
|
|
actions = all_compile_actions,
|
|
flag_groups = [
|
|
flag_group(
|
|
flags = [
|
|
"-g0",
|
|
"-O2",
|
|
"-DNDEBUG",
|
|
"-ffunction-sections",
|
|
"-fdata-sections",
|
|
],
|
|
),
|
|
],
|
|
with_features = [with_feature_set(features = ["opt"])],
|
|
),
|
|
flag_set(
|
|
actions = all_cpp_compile_actions + [ACTION_NAMES.lto_backend],
|
|
flag_groups = [flag_group(flags = ["-std=c++17"])],
|
|
),
|
|
],
|
|
)
|
|
|
|
opt_feature = feature(name = "opt")
|
|
|
|
supports_dynamic_linker_feature = feature(name = "supports_dynamic_linker", enabled = True)
|
|
|
|
objcopy_embed_flags_feature = feature(
|
|
name = "objcopy_embed_flags",
|
|
enabled = True,
|
|
flag_sets = [
|
|
flag_set(
|
|
actions = ["objcopy_embed_data"],
|
|
flag_groups = [flag_group(flags = ["-I", "binary"])],
|
|
),
|
|
],
|
|
)
|
|
|
|
dbg_feature = feature(name = "dbg")
|
|
|
|
user_compile_flags_feature = feature(
|
|
name = "user_compile_flags",
|
|
enabled = True,
|
|
flag_sets = [
|
|
flag_set(
|
|
actions = all_compile_actions,
|
|
flag_groups = [
|
|
flag_group(
|
|
flags = ["%{user_compile_flags}"],
|
|
iterate_over = "user_compile_flags",
|
|
expand_if_available = "user_compile_flags",
|
|
),
|
|
],
|
|
),
|
|
],
|
|
)
|
|
|
|
sysroot_feature = feature(
|
|
name = "sysroot",
|
|
enabled = True,
|
|
flag_sets = [
|
|
flag_set(
|
|
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_codegen,
|
|
ACTION_NAMES.clif_match,
|
|
ACTION_NAMES.lto_backend,
|
|
] + all_link_actions,
|
|
flag_groups = [
|
|
flag_group(
|
|
flags = ["--sysroot=%{sysroot}"],
|
|
expand_if_available = "sysroot",
|
|
),
|
|
],
|
|
),
|
|
],
|
|
)
|
|
|
|
if is_bsd:
|
|
features = [
|
|
default_compile_flags_feature,
|
|
default_link_flags_feature,
|
|
supports_dynamic_linker_feature,
|
|
supports_pic_feature,
|
|
objcopy_embed_flags_feature,
|
|
opt_feature,
|
|
dbg_feature,
|
|
user_compile_flags_feature,
|
|
sysroot_feature,
|
|
unfiltered_compile_flags_feature,
|
|
]
|
|
else:
|
|
features = [supports_dynamic_linker_feature, supports_pic_feature]
|
|
|
|
if (is_bsd):
|
|
cxx_builtin_include_directories = ["/usr/lib/clang", "/usr/local/include", "/usr/include"]
|
|
else:
|
|
cxx_builtin_include_directories = []
|
|
|
|
if is_bsd:
|
|
tool_paths = [
|
|
tool_path(name = "ar", path = "/usr/bin/ar"),
|
|
tool_path(name = "compat-ld", path = "/usr/bin/ld"),
|
|
tool_path(name = "cpp", path = "/usr/bin/cpp"),
|
|
tool_path(name = "dwp", path = "/usr/bin/dwp"),
|
|
tool_path(name = "gcc", path = "/usr/bin/clang"),
|
|
tool_path(name = "gcov", path = "/usr/bin/gcov"),
|
|
tool_path(name = "ld", path = "/usr/bin/ld"),
|
|
tool_path(name = "nm", path = "/usr/bin/nm"),
|
|
tool_path(name = "objcopy", path = "/usr/bin/objcopy"),
|
|
tool_path(name = "objdump", path = "/usr/bin/objdump"),
|
|
tool_path(name = "strip", path = "/usr/bin/strip"),
|
|
]
|
|
else:
|
|
tool_paths = [
|
|
tool_path(name = "ar", path = "/bin/false"),
|
|
tool_path(name = "compat-ld", path = "/bin/false"),
|
|
tool_path(name = "cpp", path = "/bin/false"),
|
|
tool_path(name = "dwp", path = "/bin/false"),
|
|
tool_path(name = "gcc", path = "/bin/false"),
|
|
tool_path(name = "gcov", path = "/bin/false"),
|
|
tool_path(name = "ld", path = "/bin/false"),
|
|
tool_path(name = "nm", path = "/bin/false"),
|
|
tool_path(name = "objcopy", path = "/bin/false"),
|
|
tool_path(name = "objdump", path = "/bin/false"),
|
|
tool_path(name = "strip", path = "/bin/false"),
|
|
]
|
|
|
|
out = ctx.actions.declare_file(ctx.label.name)
|
|
ctx.actions.write(out, "Fake executable")
|
|
return [
|
|
cc_common.create_cc_toolchain_config_info(
|
|
ctx = ctx,
|
|
features = features,
|
|
action_configs = action_configs,
|
|
cxx_builtin_include_directories = cxx_builtin_include_directories,
|
|
toolchain_identifier = toolchain_identifier,
|
|
host_system_name = host_system_name,
|
|
target_system_name = target_system_name,
|
|
target_cpu = cpu,
|
|
target_libc = target_libc,
|
|
compiler = compiler,
|
|
abi_version = abi_version,
|
|
abi_libc_version = abi_libc_version,
|
|
tool_paths = tool_paths,
|
|
),
|
|
DefaultInfo(
|
|
executable = out,
|
|
),
|
|
]
|
|
|
|
cc_toolchain_config = rule(
|
|
implementation = _impl,
|
|
attrs = {
|
|
"cpu": attr.string(mandatory = True),
|
|
},
|
|
provides = [CcToolchainConfigInfo],
|
|
executable = True,
|
|
)
|