Deanna Garcia
3 years ago
parent
a93074e546
commit
5532dae1da
3 changed files with 249 additions and 0 deletions
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load(":cc_toolchain_config.bzl", "cc_toolchain_config") |
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package(default_visibility = ["//visibility:public"]) |
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filegroup(name = "empty") |
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cc_toolchain_suite( |
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name = "clang_suite", |
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toolchains = { |
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"aarch64": ":cc-compiler-aarch64", |
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"ppcle": "cc-compiler-ppcle", |
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"s390x": ":cc-compiler-s390x", |
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"x86_32": ":cc-compiler-x86_32", |
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"x86_64": ":cc-compiler-x86_64", |
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}, |
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) |
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CC_TOOLCHAIN_CPUS = [ |
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"aarch64", |
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"ppcle", |
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"s390x", |
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"x86_32", |
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"x86_64", |
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] |
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|
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[ |
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cc_toolchain( |
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name = "cc-compiler-" + cpu, |
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all_files = ":empty", |
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compiler_files = ":empty", |
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dwp_files = ":empty", |
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dynamic_runtime_lib = ":empty", |
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linker_files = ":empty", |
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objcopy_files = ":empty", |
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output_licenses = ["restricted"], |
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static_runtime_lib = ":empty", |
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strip_files = ":empty", |
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toolchain_config = ":" + cpu + "-config", |
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toolchain_identifier = "linux_" + cpu, |
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) |
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for cpu in CC_TOOLCHAIN_CPUS |
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] |
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cc_toolchain_config( |
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name = "aarch64-config", |
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bit_flag = "-m64", |
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include_flag = "-I/usr/aarch64-linux-gnu/include/c++/10/aarch64-linux-gnu/", |
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target_cpu = "aarch64", |
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target_full_name = "aarch64-linux-gnu", |
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toolchain_dir = "/usr/aarch64-linux-gnu/include", |
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toolchain_name = "linux_aarch64", |
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) |
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cc_toolchain_config( |
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name = "ppcle-config", |
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bit_flag = "-m64", |
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include_flag = "-I/usr/powerpc64le-linux-gnu/include/c++/10/powerpc64le-linux-gnu/", |
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target_cpu = "ppc64", |
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target_full_name = "powerpc64le-linux-gnu", |
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toolchain_dir = "/usr/powerpc64le-linux-gnu/include", |
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toolchain_name = "linux_ppcle", |
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) |
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|
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cc_toolchain_config( |
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name = "s390x-config", |
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bit_flag = "-m64", |
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include_flag = "-I/usr/s390x-linux-gnu/include/c++/10/s390x-linux-gnu/", |
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target_cpu = "systemz", |
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target_full_name = "s390x-linux-gnu", |
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toolchain_dir = "/usr/s390x-linux-gnu/include", |
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toolchain_name = "linux_s390x", |
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) |
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|
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cc_toolchain_config( |
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name = "x86_32-config", |
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bit_flag = "-m32", |
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target_cpu = "x86_32", |
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target_full_name = "i386-linux-gnu", |
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toolchain_dir = "/usr/include/x86_32-linux-gnu", |
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toolchain_name = "linux_x86_32", |
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) |
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cc_toolchain_config( |
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name = "x86_64-config", |
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bit_flag = "-m64", |
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target_cpu = "x86_64", |
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target_full_name = "x86_64-linux-gnu", |
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toolchain_dir = "/usr/include/x86_64-linux-gnu", |
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toolchain_name = "linux_x86_64", |
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) |
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@ -0,0 +1,151 @@ |
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load("@bazel_tools//tools/build_defs/cc:action_names.bzl", "ACTION_NAMES") |
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load( |
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"@bazel_tools//tools/cpp:cc_toolchain_config_lib.bzl", |
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"feature", |
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"flag_group", |
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"flag_set", |
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"tool", |
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"tool_path", |
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) |
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all_link_actions = [ |
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ACTION_NAMES.cpp_link_executable, |
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ACTION_NAMES.cpp_link_dynamic_library, |
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ACTION_NAMES.cpp_link_nodeps_dynamic_library, |
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] |
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all_compile_actions = [ |
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ACTION_NAMES.assemble, |
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ACTION_NAMES.preprocess_assemble, |
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ACTION_NAMES.linkstamp_compile, |
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ACTION_NAMES.c_compile, |
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ACTION_NAMES.cpp_compile, |
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ACTION_NAMES.cpp_header_parsing, |
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ACTION_NAMES.cpp_module_codegen, |
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ACTION_NAMES.cpp_module_compile, |
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ACTION_NAMES.clif_match, |
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ACTION_NAMES.lto_backend, |
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] |
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def _impl(ctx): |
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tool_paths = [ |
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tool_path( |
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name = "gcc", |
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path = "/usr/bin/clang", |
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), |
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tool_path( |
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name = "ld", |
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path = "/usr/bin/ld", |
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), |
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tool_path( |
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name = "ar", |
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path = "/usr/bin/llvm-ar-11", |
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), |
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tool_path( |
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name = "compat-ld", |
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path = "/usr/bin/ld", |
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), |
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tool_path( |
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name = "cpp", |
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path = "/usr/bin/clang-cpp", |
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), |
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tool_path( |
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name = "dwp", |
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path = "/usr/bin/llvm-dwp", |
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), |
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tool_path( |
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name = "gcov", |
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path = "/usr/bin/llvm-profdata", |
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), |
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tool_path( |
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name = "nm", |
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path = "/usr/bin/llvm-nm", |
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), |
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tool_path( |
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name = "objcopy", |
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path = "/usr/bin/llvm-objcopy", |
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), |
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tool_path( |
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name = "objdump", |
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path = "/usr/bin/llvm-objdump", |
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), |
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tool_path( |
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name = "strip", |
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path = "/usr/bin/llvm-strip", |
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), |
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] |
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features = [ |
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feature( |
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name = "default_linker_flags", |
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enabled = True, |
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flag_sets = [ |
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flag_set( |
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actions = all_link_actions, |
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flag_groups = ([ |
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flag_group( |
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flags = [ |
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"-lstdc++", |
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"--target=" + ctx.attr.target_full_name, |
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], |
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), |
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]), |
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), |
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], |
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), |
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] |
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features.append(feature( |
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name = "default_compile_flags", |
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enabled = True, |
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flag_sets = [ |
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flag_set( |
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actions = all_compile_actions, |
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flag_groups = [ |
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flag_group( |
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flags = [ |
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ctx.attr.bit_flag, |
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"-Wall", |
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"-no-canonical-prefixes", |
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"--target=" + ctx.attr.target_full_name, |
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"-isystem", |
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ctx.attr.toolchain_dir, |
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ctx.attr.include_flag, |
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], |
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), |
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], |
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), |
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], |
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)) |
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return cc_common.create_cc_toolchain_config_info( |
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abi_libc_version = ctx.attr.target_cpu, |
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abi_version = ctx.attr.target_cpu, |
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ctx = ctx, |
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compiler = "clang", |
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cxx_builtin_include_directories = [ |
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ctx.attr.toolchain_dir, |
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"/usr/include", |
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"/usr/lib/clang/11.0.1/include", |
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], |
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features = features, |
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host_system_name = "local", |
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target_cpu = ctx.attr.target_cpu, |
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target_libc = ctx.attr.target_cpu, |
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target_system_name = ctx.attr.target_full_name, |
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toolchain_identifier = ctx.attr.toolchain_name, |
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tool_paths = tool_paths, |
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) |
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cc_toolchain_config = rule( |
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implementation = _impl, |
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attrs = { |
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"bit_flag": attr.string(mandatory = True, values = ["-m32", "-m64"]), |
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"include_flag": attr.string(mandatory = False), |
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"target_cpu": attr.string(mandatory = True, values = ["aarch64", "ppc64", "systemz", "x86_32", "x86_64"]), |
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"target_full_name": attr.string(mandatory = True), |
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"toolchain_dir": attr.string(mandatory = True), |
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"toolchain_name": attr.string(mandatory = True), |
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}, |
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provides = [CcToolchainConfigInfo], |
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) |
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@ -0,0 +1,8 @@ |
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build:cross_config --crosstool_top=//toolchain:clang_suite |
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build:cross_config --host_crosstool_top=@bazel_tools//tools/cpp:toolchain |
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build:aarch64_config --config=cross_config --cpu=aarch64 |
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build:ppcle_config --config=cross_config --cpu=ppcle |
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build:s390x_config --config=cross_config --cpu=s390x |
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build:x86_32_config --config=cross_config --cpu=x86_32 |
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build:x86_64_config --config=cross_config --cpu=x86_64 |
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