mirror of
https://github.com/carbon-language/carbon-lang.git
synced 2026-10-04 16:51:05 +01:00
Chandler Carruth
a5215c64ea
This shouldn't change any functionality, but simplifies (significantly) the logic in the installed toolchain, and also provides a better conceptual balance between these. I've tried to minimize the changes beyond a pure refactoring, but it was a bit tricky to get everything working so some things have been mixed in... Assisted-by: Antigravity with Gemini
330 lines
8.2 KiB
INI
330 lines
8.2 KiB
INI
# Part of the Carbon Language project, under the Apache License v2.0 with LLVM
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# Exceptions. See /LICENSE for license information.
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# SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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load("@bazel_skylib//rules:common_settings.bzl", "bool_setting")
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load("@rules_cc//cc:defs.bzl", "cc_library")
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load("//bazel:carbon_cc_toolchain_config.bzl", "carbon_cc_toolchain", "filegroup_with_runtimes_build")
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load("//bazel:carbon_runtimes.bzl", "carbon_runtimes_build", "carbon_runtimes_config")
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load("//bazel:make_include_copts.bzl", "make_include_copts")
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load(
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"//bazel:runtimes_build_vars.bzl",
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"builtins_aarch64_srcs",
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"builtins_aarch64_textual_srcs",
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"builtins_copts",
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"builtins_i386_srcs",
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"builtins_i386_textual_srcs",
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"builtins_x86_64_srcs",
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"builtins_x86_64_textual_srcs",
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"crt_copts",
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"crtbegin_src",
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"crtend_src",
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"libc_internal_libcxx_hdrs",
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"libcxx_copts",
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"libcxx_hdrs",
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"libcxx_linux_srcs",
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"libcxx_macos_srcs",
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"libcxx_win32_srcs",
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"libcxxabi_hdrs",
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"libcxxabi_srcs",
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"libcxxabi_textual_srcs",
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"libunwind_copts",
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"libunwind_hdrs",
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"libunwind_srcs",
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"llvm_version_major",
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)
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_libcxx_hdrs = libcxx_hdrs + [
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"runtimes/libcxx/include/__config_site",
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"runtimes/libcxx/include/__assertion_handler",
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]
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package(default_visibility = ["//visibility:public"])
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bool_setting(
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name = "runtimes_build",
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build_setting_default = False,
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)
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config_setting(
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name = "is_runtimes_build",
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flag_values = {":runtimes_build": "True"},
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)
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config_setting(
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name = "not_runtimes_build",
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flag_values = {":runtimes_build": "False"},
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)
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config_setting(
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name = "bootstrap_with_exec_config",
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flag_values = {":bootstrap_exec_config": "True"},
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)
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filegroup(
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name = "llvm_bins",
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srcs = glob(["llvm/bin/*"]),
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)
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filegroup(
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name = "clang_hdrs",
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srcs = glob(["llvm/lib/clang/{0}/include/*".format(llvm_version_major)]),
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)
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filegroup(
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name = "libcxx_hdrs",
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srcs = _libcxx_hdrs + libcxxabi_hdrs,
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)
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filegroup(
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name = "libunwind_hdrs",
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srcs = libunwind_hdrs,
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)
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cc_library(
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name = "builtins_internal",
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hdrs_check = "strict",
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textual_hdrs = select({
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"@platforms//cpu:aarch64": builtins_aarch64_textual_srcs,
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"@platforms//cpu:i386": builtins_i386_textual_srcs,
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"@platforms//cpu:x86_64": builtins_x86_64_textual_srcs,
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"//conditions:default": [],
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}),
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)
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cc_library(
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name = "builtins",
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srcs = select({
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"@platforms//cpu:aarch64": builtins_aarch64_srcs,
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"@platforms//cpu:i386": builtins_i386_srcs,
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"@platforms//cpu:x86_64": builtins_x86_64_srcs,
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"//conditions:default": [],
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}),
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copts = builtins_copts + make_include_copts([
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"runtimes/builtins",
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]),
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hdrs_check = "strict",
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target_compatible_with = select({
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":is_runtimes_build": [],
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"//conditions:default": ["@platforms//:incompatible"],
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}),
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deps = [":builtins_internal"],
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)
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filegroup(
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name = "builtins_archive",
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srcs = [":builtins"],
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output_group = "archive",
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)
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cc_library(
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name = "libunwind",
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srcs = libunwind_srcs,
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hdrs = [":libunwind_hdrs"],
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copts = libunwind_copts + [
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# We disable all warnings as upstream isn't clean with the common
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# warning flags Carbon uses by default.
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"-w",
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],
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hdrs_check = "strict",
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includes = ["runtimes/libunwind/include"],
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linkstatic = 1,
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target_compatible_with = select({
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":is_runtimes_build": [],
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"//conditions:default": ["@platforms//:incompatible"],
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}),
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)
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filegroup(
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name = "libunwind_archive",
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srcs = [":libunwind"],
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output_group = "archive",
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)
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cc_library(
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name = "libcxxabi_internal",
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hdrs_check = "strict",
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target_compatible_with = select({
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":is_runtimes_build": [],
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"//conditions:default": ["@platforms//:incompatible"],
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}),
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textual_hdrs = libcxxabi_textual_srcs,
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)
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cc_library(
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name = "libc_internal_libcxx",
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hdrs = libc_internal_libcxx_hdrs,
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hdrs_check = "strict",
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target_compatible_with = select({
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":is_runtimes_build": [],
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"//conditions:default": ["@platforms//:incompatible"],
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}),
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)
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cc_library(
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name = "libcxx",
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srcs = select({
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"@platforms//os:macos": libcxx_macos_srcs,
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"@platforms//os:windows": libcxx_win32_srcs,
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"//conditions:default": libcxx_linux_srcs,
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}) + libcxxabi_srcs,
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hdrs = [":libcxx_hdrs"],
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copts = libcxx_copts + make_include_copts([
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"runtimes/libcxx/src",
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"runtimes/libc/internal",
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]) + [
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# We disable all warnings as upstream isn't clean with the common
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# warning flags Carbon uses by default.
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"-w",
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],
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hdrs_check = "strict",
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includes = [
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"runtimes/libcxx/include",
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"runtimes/libcxxabi/include",
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],
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target_compatible_with = select({
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":is_runtimes_build": [],
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"//conditions:default": ["@platforms//:incompatible"],
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}),
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deps = [
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":libc_internal_libcxx",
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":libcxxabi_internal",
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],
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)
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filegroup(
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name = "libcxx_archive",
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srcs = [":libcxx"],
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output_group = "archive",
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)
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filegroup(
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name = "carbon_install_digest_file",
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srcs = ["install_digest.txt"],
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)
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filegroup(
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name = "carbon_install_marker_file",
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srcs = ["carbon_install.txt"],
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)
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filegroup(
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name = "carbon_busybox_file",
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srcs = ["carbon-busybox"],
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)
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platforms = {
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"freebsd": ["x86_64"],
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"linux": [
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"aarch64",
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"x86_64",
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],
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"macos": [
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"arm64",
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"x86_64",
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],
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}
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[
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config_setting(
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name = "is_{0}_{1}".format(os, cpu),
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constraint_values = [
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"@platforms//os:{}".format(os),
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"@platforms//cpu:{}".format(cpu),
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],
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)
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for os, cpus in platforms.items()
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for cpu in cpus
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]
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filegroup(
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name = "base_files",
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srcs = [
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":carbon_busybox_file",
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":carbon_install_digest_file",
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":carbon_install_marker_file",
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":llvm_bins",
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],
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)
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filegroup(
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name = "runtimes_compile_files",
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srcs = [
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":base_files",
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":clang_hdrs",
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],
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)
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filegroup(
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name = "compile_files",
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srcs = [
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":base_files",
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":clang_hdrs",
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":libcxx_hdrs",
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":libunwind_hdrs",
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],
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)
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carbon_runtimes_config(
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name = "runtimes_cfg",
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builtins_archive = ":builtins_archive",
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clang_hdrs_prefix = "llvm/lib/clang/{0}/include/".format(llvm_version_major),
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crt_copts = crt_copts,
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crtbegin_src = select({
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"@platforms//os:linux": crtbegin_src,
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"//conditions:default": None,
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}),
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crtend_src = select({
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"@platforms//os:linux": crtend_src,
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"//conditions:default": None,
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}),
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darwin_os_suffix = select({
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# TODO: Add support for tvOS, watchOS, and iOS variants with the
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# relevant Bazel constraints.
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":is_macos_arm64": "osx",
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":is_macos_x86_64": "osx",
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"//conditions:default": None,
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}),
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libcxx_archive = ":libcxx_archive",
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libunwind_archive = ":libunwind_archive",
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target_compatible_with = select({
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":is_runtimes_build": [],
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"//conditions:default": ["@platforms//:incompatible"],
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}),
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target_triple = select({
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# TODO: Add other triples (and if needed, constraints) so that we can
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# build the correct Clang resource-dir structure for each.
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":is_freebsd_x86_64": "x86_64-unknown-freebsd",
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":is_linux_aarch64": "aarch64-unknown-linux-gnu",
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":is_linux_x86_64": "x86_64-unknown-linux-gnu",
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# Note that Darwin OSes are handled by the `darwin_os_suffix` attribute.
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"//conditions:default": None,
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}),
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)
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carbon_runtimes_build(
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name = "carbon_runtimes_build",
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clang_hdrs = [":clang_hdrs"],
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config = ":runtimes_cfg",
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tags = ["manual"],
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target_compatible_with = select({
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":is_runtimes_build": [],
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"//conditions:default": ["@platforms//:incompatible"],
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}),
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)
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filegroup_with_runtimes_build(
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name = "runtimes",
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srcs = [":carbon_runtimes_build"],
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)
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carbon_cc_toolchain(
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name = "carbon",
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base_files_target = ":base_files",
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compile_files_target = ":compile_files",
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platforms = platforms,
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runtimes_compile_files_target = ":runtimes_compile_files",
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runtimes_target = ":runtimes",
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)
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