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carbon-lang/toolchain/driver/BUILD
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Chandler Carruth 631f8fb6d2 Modularize driver subcommands and prune unused dependencies (#7658) 
- Subdivide toolchain/driver:driver into granular subcommand targets
(compile_subcommand, format_subcommand, lld_subcommand, etc.) to enable
independent compilation and linking.
- Decouple Target and TargetMachine options from driver headers.
- Prune unused direct dependencies across toolchain BUILD files.

Assisted-by: Antigravity with Gemini
2026-08-20 13:32:46 +00:00

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# Part of the Carbon Language project, under the Apache License v2.0 with LLVM
# Exceptions. See /LICENSE for license information.
# SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
load("//bazel/cc_rules:defs.bzl", "cc_library", "cc_test")
load("//testing/fuzzing:rules.bzl", "cc_fuzz_test")
package(default_visibility = ["//visibility:public"])
filegroup(
name = "testdata",
srcs = glob([
"testdata/**/*.carbon",
"testdata/**/*.cpp",
]),
)
cc_library(
name = "clang_runner",
srcs = [
"clang_runner.cpp",
"clang_runtimes.cpp",
],
hdrs = [
"clang_runner.h",
"clang_runtimes.h",
],
deps = [
":llvm_runner",
":runtimes_cache",
":tool_runner_base",
"//common:check",
"//common:error",
"//common:filesystem",
"//common:latch",
"//common:ostream",
"//common:string_helpers",
"//common:vlog",
"//third_party/llvm:clang_cc1",
"//toolchain/base:clang_invocation",
"//toolchain/base:install_paths",
"//toolchain/base:kind_switch",
"//toolchain/base:runtimes_build_info",
"@llvm-project//clang:basic",
"@llvm-project//clang:clang-driver",
"@llvm-project//clang:codegen",
"@llvm-project//clang:driver",
"@llvm-project//clang:frontend",
"@llvm-project//clang:frontend_tool",
"@llvm-project//clang:serialization",
"@llvm-project//llvm:Core",
"@llvm-project//llvm:Object",
"@llvm-project//llvm:Support",
"@llvm-project//llvm:TargetParser",
],
)
cc_test(
name = "clang_runner_test",
size = "small",
srcs = ["clang_runner_test.cpp"],
data = ["//toolchain/install:install_data"],
deps = [
":clang_runner",
":llvm_runner",
":runtimes_cache",
"//common:all_llvm_targets",
"//common:check",
"//common:error_test_helpers",
"//common:ostream",
"//common:raw_string_ostream",
"//testing/base:capture_std_streams",
"//testing/base:file_helpers",
"//testing/base:global_exe_path",
"//testing/base:gtest_main",
"//toolchain/base:install_paths",
"@googletest//:gtest",
"@llvm-project//llvm:Object",
"@llvm-project//llvm:Support",
"@llvm-project//llvm:TargetParser",
],
)
cc_test(
name = "clang_runtimes_test",
size = "medium",
srcs = ["clang_runtimes_test.cpp"],
data = [
"//toolchain/install:built_runtimes",
"//toolchain/install:install_data",
],
deps = [
":clang_runner",
":llvm_runner",
":runtimes_cache",
"//common:all_llvm_targets",
"//common:check",
"//common:ostream",
"//common:raw_string_ostream",
"//testing/base:capture_std_streams",
"//testing/base:file_helpers",
"//testing/base:global_exe_path",
"//testing/base:gtest_main",
"//toolchain/base:install_paths",
"//toolchain/base:llvm_tools",
"@bazel_tools//tools/cpp/runfiles",
"@googletest//:gtest",
"@llvm-project//llvm:Object",
"@llvm-project//llvm:Support",
"@llvm-project//llvm:TargetParser",
],
)
cc_library(
name = "codegen_options",
srcs = [
"codegen_options.cpp",
],
hdrs = [
"codegen_options.h",
],
deps = [
"//common:command_line",
"@llvm-project//llvm:Support",
"@llvm-project//llvm:TargetParser",
],
)
cc_library(
name = "driver_env",
hdrs = ["driver_env.h"],
deps = [
":runtimes_cache",
"//common:ostream",
"//toolchain/base:install_paths",
"//toolchain/diagnostics:emitter",
"@llvm-project//llvm:Support",
],
)
cc_library(
name = "driver_subcommand",
srcs = ["driver_subcommand.cpp"],
hdrs = ["driver_subcommand.h"],
deps = [
":driver_env",
"//common:command_line",
"//common:ostream",
"//toolchain/base:install_paths",
"@llvm-project//llvm:Support",
],
)
cc_library(
name = "compile_options",
srcs = ["compile_options.cpp"],
hdrs = ["compile_options.h"],
deps = [
":codegen_options",
":driver_env",
"//common:command_line",
"//common:error",
"//common:ostream",
"//toolchain/base:clang_invocation",
"//toolchain/check",
"//toolchain/diagnostics:emitter",
"//toolchain/lower:options",
"//toolchain/parse",
"@llvm-project//llvm:MC",
"@llvm-project//llvm:Passes",
"@llvm-project//llvm:Support",
"@llvm-project//llvm:TargetParser",
],
)
cc_library(
name = "compile_driver",
srcs = ["compile_driver.cpp"],
hdrs = ["compile_driver.h"],
deps = [
":codegen_options",
":compile_options",
":driver_env",
":runtimes_cache",
"//common:error",
"//common:ostream",
"//common:pretty_stack_trace_function",
"//common:vlog",
"//toolchain/base:clang_invocation",
"//toolchain/base:install_paths",
"//toolchain/base:shared_value_stores",
"//toolchain/base:timings",
"//toolchain/check",
"//toolchain/codegen",
"//toolchain/diagnostics:emitter",
"//toolchain/diagnostics:format_providers",
"//toolchain/diagnostics:sorting_consumer",
"//toolchain/lex",
"//toolchain/lower",
"//toolchain/lower:options",
"//toolchain/parse",
"//toolchain/parse:tree",
"//toolchain/sem_ir:typed_insts",
"//toolchain/source:source_buffer",
"@llvm-project//llvm:Core",
"@llvm-project//llvm:MC",
"@llvm-project//llvm:Passes",
"@llvm-project//llvm:Support",
"@llvm-project//llvm:Target",
],
)
cc_library(
name = "compile_subcommand",
srcs = ["compile_subcommand.cpp"],
hdrs = ["compile_subcommand.h"],
deps = [
":compile_driver",
":compile_options",
":driver_env",
":driver_subcommand",
"//common:command_line",
"//toolchain/diagnostics:emitter",
"//toolchain/diagnostics:format_providers",
"@llvm-project//llvm:Support",
],
)
cc_library(
name = "format_subcommand",
srcs = ["format_subcommand.cpp"],
hdrs = ["format_subcommand.h"],
deps = [
":driver_env",
":driver_subcommand",
"//common:command_line",
"//common:error",
"//common:ostream",
"//common:raw_string_ostream",
"//toolchain/base:install_paths",
"//toolchain/base:shared_value_stores",
"//toolchain/diagnostics:emitter",
"//toolchain/format",
"//toolchain/lex",
"//toolchain/source:source_buffer",
"@llvm-project//llvm:Support",
],
)
cc_library(
name = "language_server_subcommand",
srcs = ["language_server_subcommand.cpp"],
hdrs = ["language_server_subcommand.h"],
deps = [
":codegen_options",
":driver_env",
":driver_subcommand",
"//common:command_line",
"//toolchain/diagnostics:emitter",
"//toolchain/language_server",
"@llvm-project//llvm:Support",
],
)
cc_library(
name = "carbon_runtimes",
srcs = ["carbon_runtimes.cpp"],
hdrs = ["carbon_runtimes.h"],
deps = [
":codegen_options",
":compile_driver",
":compile_options",
":driver_env",
":runtimes_cache",
"//common:check",
"//common:error",
"//common:ostream",
"//common:string_helpers",
"//common:vlog",
"//toolchain/base:install_paths",
"//toolchain/base:runtimes_build_info",
"@llvm-project//llvm:Support",
"@llvm-project//llvm:TargetParser",
],
)
cc_library(
name = "link_subcommand",
srcs = [
"link_driver.cpp",
"link_options.cpp",
"link_subcommand.cpp",
],
hdrs = [
"link_driver.h",
"link_options.h",
"link_subcommand.h",
],
deps = [
":carbon_runtimes",
":clang_runner",
":codegen_options",
":driver_env",
":driver_subcommand",
"//common:check",
"//common:command_line",
"//common:error",
"//common:filesystem",
"//common:ostream",
"//common:vlog",
"//toolchain/base:install_paths",
"//toolchain/base:runtimes_build_info",
"@llvm-project//llvm:Support",
"@llvm-project//llvm:TargetParser",
],
)
cc_library(
name = "build_subcommand",
srcs = ["build_subcommand.cpp"],
hdrs = ["build_subcommand.h"],
deps = [
":codegen_options",
":compile_driver",
":compile_options",
":driver_env",
":driver_subcommand",
":link_subcommand",
"//common:command_line",
"//common:error",
"//common:filesystem",
"//common:hashing",
"//common:ostream",
"@llvm-project//llvm:Support",
],
)
cc_library(
name = "build_runtimes_subcommand",
srcs = ["build_runtimes_subcommand.cpp"],
hdrs = ["build_runtimes_subcommand.h"],
deps = [
":carbon_runtimes",
":clang_runner",
":codegen_options",
":driver_env",
":driver_subcommand",
":runtimes_cache",
"//common:command_line",
"//common:error",
"//toolchain/diagnostics:emitter",
"@llvm-project//llvm:Support",
"@llvm-project//llvm:TargetParser",
],
)
cc_library(
name = "config_subcommand",
srcs = ["config_subcommand.cpp"],
hdrs = ["config_subcommand.h"],
deps = [
":clang_runner",
":codegen_options",
":driver_env",
":driver_subcommand",
"//common:check",
"//common:command_line",
"//common:filesystem",
"//common:ostream",
"//common:version",
"//toolchain/base:clang_invocation",
"//toolchain/base:install_paths",
"//toolchain/diagnostics:emitter",
"@llvm-project//clang:frontend",
"@llvm-project//clang:lex",
"@llvm-project//llvm:Support",
"@llvm-project//llvm:TargetParser",
],
)
cc_library(
name = "clang_subcommand",
srcs = ["clang_subcommand.cpp"],
hdrs = ["clang_subcommand.h"],
deps = [
":clang_runner",
":driver_env",
":driver_subcommand",
"//common:command_line",
"@llvm-project//llvm:Support",
"@llvm-project//llvm:TargetParser",
],
)
cc_library(
name = "lld_subcommand",
srcs = ["lld_subcommand.cpp"],
hdrs = ["lld_subcommand.h"],
deps = [
":driver_env",
":driver_subcommand",
":lld_runner",
"//common:command_line",
"@llvm-project//llvm:Support",
"@llvm-project//llvm:TargetParser",
],
)
cc_library(
name = "llvm_subcommand",
srcs = ["llvm_subcommand.cpp"],
hdrs = ["llvm_subcommand.h"],
deps = [
":driver_env",
":driver_subcommand",
":llvm_runner",
"//common:check",
"//common:command_line",
"//toolchain/base:llvm_tools",
"@llvm-project//llvm:Support",
"@llvm-project//llvm:TargetParser",
],
)
cc_library(
name = "driver",
srcs = [
"driver.cpp",
],
hdrs = [
"driver.h",
],
data = [
"//toolchain/install:all_data_files",
],
textual_hdrs = ["flags.def"],
deps = [
":build_runtimes_subcommand",
":build_subcommand",
":clang_subcommand",
":compile_subcommand",
":config_subcommand",
":driver_env",
":driver_subcommand",
":format_subcommand",
":language_server_subcommand",
":link_subcommand",
":lld_subcommand",
":llvm_subcommand",
":runtimes_cache",
"//common:check",
"//common:command_line",
"//common:error",
"//common:ostream",
"//common:pretty_stack_trace_function",
"//common:version",
"@llvm-project//llvm:Support",
],
)
cc_test(
name = "driver_test",
size = "small",
srcs = ["driver_test.cpp"],
data = ["//toolchain/install:install_data"],
deps = [
":driver",
"//common:all_llvm_targets",
"//common:error_test_helpers",
"//common:filesystem",
"//common:raw_string_ostream",
"//testing/base:capture_std_streams",
"//testing/base:file_helpers",
"//testing/base:global_exe_path",
"//testing/base:gtest_main",
"//toolchain/base:install_paths",
"//toolchain/diagnostics:emitter",
"//toolchain/lex:tokenized_buffer_test_helpers",
"//toolchain/testing:yaml_test_helpers",
"@googletest//:gtest",
"@llvm-project//llvm:Object",
"@llvm-project//llvm:Support",
],
)
cc_fuzz_test(
name = "driver_fuzzer",
size = "small",
srcs = ["driver_fuzzer.cpp"],
corpus = glob(["fuzzer_corpus/*"]),
deps = [
":driver",
"//common:exe_path",
"//common:raw_string_ostream",
"//testing/fuzzing:libfuzzer_header",
"//toolchain/base:install_paths",
"@llvm-project//llvm:Support",
],
)
cc_library(
name = "lld_runner",
srcs = ["lld_runner.cpp"],
hdrs = ["lld_runner.h"],
deps = [
":tool_runner_base",
"//common:ostream",
"//common:string_helpers",
"//common:vlog",
"//toolchain/base:install_paths",
"@llvm-project//lld:Common",
"@llvm-project//lld:ELF",
"@llvm-project//lld:MachO",
"@llvm-project//llvm:Support",
],
)
cc_test(
name = "lld_runner_test",
size = "small",
srcs = ["lld_runner_test.cpp"],
deps = [
":clang_runner",
":lld_runner",
"//common:all_llvm_targets",
"//common:check",
"//common:ostream",
"//common:raw_string_ostream",
"//testing/base:capture_std_streams",
"//testing/base:file_helpers",
"//testing/base:global_exe_path",
"//testing/base:gtest_main",
"@googletest//:gtest",
"@llvm-project//llvm:Object",
"@llvm-project//llvm:Support",
"@llvm-project//llvm:TargetParser",
],
)
cc_library(
name = "llvm_runner",
srcs = ["llvm_runner.cpp"],
hdrs = ["llvm_runner.h"],
deps = [
":tool_runner_base",
"//common:ostream",
"//common:string_helpers",
"//common:vlog",
"//toolchain/base:install_paths",
"//toolchain/base:llvm_tools",
"@llvm-project//lld:Common",
"@llvm-project//lld:ELF",
"@llvm-project//lld:MachO",
"@llvm-project//llvm:Support",
],
)
cc_test(
name = "llvm_runner_test",
size = "small",
srcs = ["llvm_runner_test.cpp"],
deps = [
":llvm_runner",
"//common:all_llvm_targets",
"//common:ostream",
"//common:raw_string_ostream",
"//testing/base:capture_std_streams",
"//testing/base:global_exe_path",
"//testing/base:gtest_main",
"@googletest//:gtest",
"@llvm-project//llvm:Support",
],
)
cc_library(
name = "runtimes_cache",
srcs = ["runtimes_cache.cpp"],
hdrs = ["runtimes_cache.h"],
deps = [
"//common:check",
"//common:error",
"//common:filesystem",
"//common:ostream",
"//common:version",
"//common:vlog",
"//toolchain/base:install_paths",
"@llvm-project//llvm:Support",
],
)
cc_test(
name = "runtimes_cache_test",
size = "small",
srcs = ["runtimes_cache_test.cpp"],
data = ["//toolchain/install:install_data"],
deps = [
":runtimes_cache",
"//common:check",
"//common:error_test_helpers",
"//common:filesystem",
"//common:ostream",
"//common:raw_string_ostream",
"//common:version",
"//testing/base:capture_std_streams",
"//testing/base:file_helpers",
"//testing/base:global_exe_path",
"//testing/base:gtest_main",
"@googletest//:gtest",
"@llvm-project//llvm:Support",
],
)
cc_library(
name = "tool_runner_base",
srcs = ["tool_runner_base.cpp"],
hdrs = ["tool_runner_base.h"],
data = [
"//toolchain/install:all_data_files",
],
deps = [
"//common:ostream",
"//common:vlog",
"//toolchain/base:install_paths",
"@llvm-project//llvm:Support",
],
)
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