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6706162582094209b1d4a68aad108245b7c4b027
carbon-lang/toolchain/driver/BUILD
T
Jon Ross-Perkins 6706162582 Error when passing multiple input files with --output (#6896) 
Fixes #6895

Note this is just a short-term fix to avoid confusion, as the compile
structure needs to change on the whole.

Assisted-by: Google Antigravity with Gemini
2026-03-13 16:07:12 +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_skylib//rules:common_settings.bzl", "bool_flag")
load("@rules_shell//shell:sh_test.bzl", "sh_test")
load("//bazel/cc_rules:defs.bzl", "cc_binary", "cc_library", "cc_test")
load("//bazel/cc_toolchains:defs.bzl", "cc_env")
load("//testing/fuzzing:rules.bzl", "cc_fuzz_test")
load(":prebuilt_runtimes.bzl", "prebuilt_runtimes")
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 = [
":prebuilt_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_binary(
name = "compile_benchmark",
testonly = 1,
srcs = ["compile_benchmark.cpp"],
deps = [
":driver",
"//common:all_llvm_targets",
"//testing/base:benchmark_main",
"//testing/base:global_exe_path",
"//testing/base:source_gen_lib",
"//toolchain/base:install_paths_test_helpers",
"//toolchain/testing:compile_helper",
"@google_benchmark//:benchmark",
"@llvm-project//llvm:Support",
],
)
sh_test(
name = "compile_benchmark_test",
size = "small",
srcs = [":compile_benchmark"],
args = [
"--benchmark_dry_run",
# The `$$` is repeated for Bazel escaping of `$`.
"--benchmark_filter=/256$$",
],
env = cc_env(),
)
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",
srcs = [
"build_runtimes_subcommand.cpp",
"build_runtimes_subcommand.h",
"clang_subcommand.cpp",
"clang_subcommand.h",
"compile_subcommand.cpp",
"compile_subcommand.h",
"config_subcommand.cpp",
"config_subcommand.h",
"driver.cpp",
"driver_env.h",
"driver_subcommand.cpp",
"format_subcommand.cpp",
"format_subcommand.h",
"language_server_subcommand.cpp",
"language_server_subcommand.h",
"link_subcommand.cpp",
"link_subcommand.h",
"lld_subcommand.cpp",
"lld_subcommand.h",
"llvm_subcommand.cpp",
"llvm_subcommand.h",
],
hdrs = [
"driver.h",
"driver_subcommand.h",
],
data = [
"//toolchain/install:install_data.no_driver",
],
textual_hdrs = ["flags.def"],
deps = [
":clang_runner",
":codegen_options",
":lld_runner",
":llvm_runner",
":runtimes_cache",
"//common:check",
"//common:command_line",
"//common:error",
"//common:filesystem",
"//common:ostream",
"//common:pretty_stack_trace_function",
"//common:raw_string_ostream",
"//common:version",
"//common:vlog",
"//toolchain/base:clang_invocation",
"//toolchain/base:install_paths",
"//toolchain/base:llvm_tools",
"//toolchain/base:shared_value_stores",
"//toolchain/base:timings",
"//toolchain/check",
"//toolchain/codegen",
"//toolchain/diagnostics:emitter",
"//toolchain/diagnostics:format_providers",
"//toolchain/diagnostics:sorting_consumer",
"//toolchain/format",
"//toolchain/language_server",
"//toolchain/lex",
"//toolchain/lower",
"//toolchain/lower:options",
"//toolchain/parse",
"//toolchain/parse:tree",
"//toolchain/sem_ir:file",
"//toolchain/sem_ir:typed_insts",
"//toolchain/source:source_buffer",
"@llvm-project//clang:codegen",
"@llvm-project//clang:frontend",
"@llvm-project//clang:lex",
"@llvm-project//llvm:Core",
"@llvm-project//llvm:MC",
"@llvm-project//llvm:Passes",
"@llvm-project//llvm:Support",
"@llvm-project//llvm:TargetParser",
],
)
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:install_data.no_driver",
],
deps = [
"//common:ostream",
"//common:vlog",
"//toolchain/base:install_paths",
"@llvm-project//llvm:Support",
],
)
cc_binary(
name = "bazel_build_clang_runtimes",
srcs = ["bazel_build_clang_runtimes.cpp"],
data = [
"//toolchain/install:install_data.no_driver",
"@llvm-project//clang:clang",
],
deps = [
":clang_runner",
":codegen_options",
":runtimes_cache",
"//common:all_llvm_targets",
"//common:bazel_working_dir",
"//common:check",
"//common:command_line",
"//common:error",
"//common:exe_path",
"//common:filesystem",
"//common:init_llvm",
"//common:raw_string_ostream",
"//common:version",
"//toolchain/base:install_paths",
"@bazel_tools//tools/cpp/runfiles",
"@llvm-project//llvm:Support",
"@llvm-project//llvm:TargetParser",
],
)
# Flag controlling whether the target config is used for the
# tools used by the `prebuilt_runtimes` rules.
#
# Using the exec config is more correct and will also optimize the tools used to
# build the runtimes, potentially making them run faster. However, it will
# likely double the number of compiles needed to build everything necessary in
# that configuration. As a consequence, it is useful in development and CI when
# the target config is compatible with the exec config to set this flag.
bool_flag(
name = "use_target_config_runtimes_builder",
build_setting_default = False,
)
config_setting(
name = "use_target_config_runtimes_builder_config",
flag_values = {":use_target_config_runtimes_builder": "True"},
)
# TODO: Correctly set the `target` argument here based on the Bazel target
# platform. Without this, we will generate invalid prebuilt runtimes when cross
# compiling.
prebuilt_runtimes(
name = "prebuilt_runtimes",
)
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