pw_toolchain/host_clang/BUILD.bazel

# Copyright 2023 The Pigweed Authors
#
# 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
#
#     https://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.

load(
    "@pw_toolchain//cc_toolchain:defs.bzl",
    "pw_cc_toolchain",
    "pw_cc_toolchain_feature",
)

package(default_visibility = ["//visibility:public"])

licenses(["notice"])

filegroup(name = "empty")

pw_cc_toolchain_feature(
    name = "macos_stdlib",
    cxx_builtin_include_directories = [
        "%package(@llvm_toolchain//)%/include/c++/v1",
        "%package(@llvm_toolchain//)%/lib/clang/17/include",
    ],
    linker_files = ["@llvm_toolchain//:lib/libc++.a"],
    target_compatible_with = ["@platforms//os:macos"],
)

pw_cc_toolchain_feature(
    name = "linux_sysroot",
    builtin_sysroot = "external/linux_sysroot",
    cxx_builtin_include_directories = [
        "%package(@llvm_toolchain//)%/include/x86_64-unknown-linux-gnu/c++/v1",
        "%package(@llvm_toolchain//)%/include/c++/v1",
        "%package(@llvm_toolchain//)%/lib/clang/17/include",
        "%sysroot%/usr/local/include",
        "%sysroot%/usr/include/x86_64-linux-gnu",
        "%sysroot%/usr/include",
    ],
    linkopts = [
        "-pthread",
        "-stdlib=libc++",
        "--rtlib=compiler-rt",
        "--unwindlib=libunwind",
    ],
)

filegroup(
    name = "all_linux_files",
    srcs = [
        "@linux_sysroot//:all",
        "@llvm_toolchain//:all",
    ],
)

pw_cc_toolchain(
    name = "host_toolchain_macos",
    abi_libc_version = "unknown",
    abi_version = "unknown",
    all_files = "@llvm_toolchain//:all",
    ar = "@llvm_toolchain//:bin/llvm-ar",
    ar_files = "@llvm_toolchain//:all",
    as_files = "@llvm_toolchain//:all",
    compiler = "unknown",
    compiler_files = "@llvm_toolchain//:all",
    coverage_files = "@llvm_toolchain//:all",
    cpp = "@llvm_toolchain//:bin/clang++",
    dwp_files = "@llvm_toolchain//:all",
    feature_deps = [
        "@pw_toolchain//features:no_default_cpp_stdlib",
        ":macos_stdlib",
        "@pw_toolchain//features/macos:macos_sysroot",
        "@pw_toolchain//features:no_canonical_prefixes",
    ],
    gcc = "@llvm_toolchain//:bin/clang",
    gcov = "@llvm_toolchain//:bin/llvm-cov",
    host_system_name = "unknown",
    ld = "@llvm_toolchain//:bin/clang++",
    linker_files = "@llvm_toolchain//:all",
    objcopy_files = "@llvm_toolchain//:all",
    strip = "@llvm_toolchain//:bin/llvm-strip",
    strip_files = "@llvm_toolchain//:all",
    supports_param_files = 0,
    # The implementations of some "legacy features" built into Bazel use
    # `target_libc` to determine if a toolchain targets MacOS,
    # https://github.com/bazelbuild/bazel/blob/release-7.0.0-pre.20230816.3rc1/src/main/java/com/google/devtools/build/lib/rules/cpp/CcModule.java#L1301-L1304
    target_cpu = "darwin",
    target_libc = "macosx",
    target_system_name = "unknown",
    toolchain_identifier = "host-toolchain-macos",
)

toolchain(
    name = "host_cc_toolchain_macos",
    exec_compatible_with = [
        "@platforms//os:macos",
    ],
    target_compatible_with = [
        "@platforms//os:macos",
    ],
    toolchain = ":host_toolchain_macos",
    toolchain_type = "@bazel_tools//tools/cpp:toolchain_type",
)

pw_cc_toolchain(
    name = "host_toolchain_linux",
    abi_libc_version = "unknown",
    abi_version = "unknown",
    all_files = ":all_linux_files",
    ar = "@llvm_toolchain//:bin/llvm-ar",
    ar_files = ":all_linux_files",
    as_files = ":all_linux_files",
    compiler = "unknown",
    compiler_files = ":all_linux_files",
    coverage_files = ":all_linux_files",
    cpp = "@llvm_toolchain//:bin/clang++",
    dwp_files = ":all_linux_files",
    feature_deps = [
        ":linux_sysroot",
        "@pw_toolchain//features:no_canonical_prefixes",
    ],
    gcc = "@llvm_toolchain//:bin/clang",
    gcov = "@llvm_toolchain//:bin/llvm-cov",
    host_system_name = "unknown",
    ld = "@llvm_toolchain//:bin/clang++",
    linker_files = ":all_linux_files",
    objcopy_files = ":all_linux_files",
    strip = "@llvm_toolchain//:bin/llvm-strip",
    strip_files = ":all_linux_files",
    supports_param_files = 0,
    target_cpu = "unknown",
    target_libc = "unknown",
    target_system_name = "unknown",
    toolchain_identifier = "host-toolchain-linux",
)

toolchain(
    name = "host_cc_toolchain_linux",
    exec_compatible_with = [
        "@platforms//os:linux",
    ],
    target_compatible_with = [
        "@platforms//os:linux",
    ],
    toolchain = ":host_toolchain_linux",
    toolchain_type = "@bazel_tools//tools/cpp:toolchain_type",
)