| load("//bazel:macros.bzl", "exports_files_legacy") |
| load("@rules_cc//cc:defs.bzl", "cc_toolchain") |
| load(":linux_amd64_toolchain_config.bzl", "provide_linux_amd64_toolchain_config") |
| load(":mac_toolchain_config.bzl", "provide_mac_toolchain_config") |
| |
| licenses(["notice"]) |
| |
| exports_files_legacy() |
| |
| # https://bazel.build/docs/toolchains |
| # https://bazel.build/reference/be/platform#toolchain |
| toolchain( |
| name = "clang_linux_x64_toolchain", |
| # Where should we run this toolchain? |
| exec_compatible_with = [ |
| "@platforms//os:linux", |
| "@platforms//cpu:x86_64", |
| # We do not want an extra constraint here related to the hermetic toolchain because |
| # we want the toolchain to run on any Linux x64 machine (and it certainly can). |
| ], |
| # What can this toolchain build? |
| target_compatible_with = [ |
| "@platforms//os:linux", |
| "@platforms//cpu:x86_64", |
| # We want to be able to explicitly tell Bazel to use this toolchain, and not the |
| # default one on a user's machine or on the RBE worker. Thus we need an extra constraint |
| # that we can use to differentiate the "stock" C++ toolchain from our hermetic one and |
| # force that use by specifying the target platform. |
| "//bazel/platform:use_hermetic_toolchain", |
| ], |
| toolchain = ":linux_amd64_host", |
| # https://github.com/bazelbuild/rules_cc/blob/8bb0eb5c5ccd96b91753bb112096bb6993d16d13/cc/BUILD#L32-L36 |
| toolchain_type = "@rules_cc//cc:toolchain_type", |
| ) |
| |
| # Our one mac toolchain can run on either Intel Macs or M1 Macs, however Bazel does not allow you to specify |
| # more than one cpu type in exec_compatible_with. Thus, we list the same toolchain twice. |
| toolchain( |
| name = "clang_mac_x64_toolchain", |
| exec_compatible_with = [ |
| "@platforms//os:macos", |
| "@platforms//cpu:x86_64", |
| ], |
| target_compatible_with = [ |
| "@platforms//os:macos", |
| "@platforms//cpu:x86_64", |
| "//bazel/platform:use_hermetic_toolchain", |
| ], |
| toolchain = ":mac_host", |
| # https://github.com/bazelbuild/rules_cc/blob/8bb0eb5c5ccd96b91753bb112096bb6993d16d13/cc/BUILD#L32-L36 |
| toolchain_type = "@rules_cc//cc:toolchain_type", |
| ) |
| |
| toolchain( |
| name = "clang_mac_arm64_toolchain", |
| exec_compatible_with = [ |
| "@platforms//os:macos", |
| "@platforms//cpu:arm64", |
| ], |
| target_compatible_with = [ |
| "@platforms//os:macos", |
| "@platforms//cpu:arm64", |
| "//bazel/platform:use_hermetic_toolchain", |
| ], |
| toolchain = ":mac_host", |
| # https://github.com/bazelbuild/rules_cc/blob/8bb0eb5c5ccd96b91753bb112096bb6993d16d13/cc/BUILD#L32-L36 |
| toolchain_type = "@rules_cc//cc:toolchain_type", |
| ) |
| |
| filegroup(name = "not_implemented") |
| |
| filegroup( |
| name = "archive_linux_amd64_files", |
| srcs = [ |
| "linux_trampolines/ar_trampoline_linux.sh", |
| "@clang_linux_amd64//:archive_files", |
| ], |
| ) |
| |
| filegroup( |
| name = "compile_linux_amd64_files", |
| srcs = [ |
| "linux_trampolines/IWYU_mapping.imp", |
| "linux_trampolines/clang_trampoline_linux.sh", |
| "@clang_linux_amd64//:compile_files", |
| ], |
| ) |
| |
| filegroup( |
| name = "link_linux_amd64_files", |
| srcs = [ |
| # Bazel assumes it is talking to Clang when linking. |
| "linux_trampolines/clang_trampoline_linux.sh", |
| "@clang_linux_amd64//:link_files", |
| ], |
| ) |
| |
| filegroup( |
| name = "archive_mac_files", |
| srcs = [ |
| "mac_trampolines/ar_trampoline_mac.sh", |
| "@clang_mac//:archive_files", |
| ], |
| ) |
| |
| filegroup( |
| name = "compile_mac_files", |
| srcs = [ |
| "mac_trampolines/clang_trampoline_mac.sh", |
| "@clang_mac//:compile_files", |
| ], |
| ) |
| |
| filegroup( |
| name = "link_mac_files", |
| srcs = [ |
| "mac_trampolines/clang_trampoline_mac.sh", |
| "@clang_mac//:link_files", |
| ], |
| ) |
| |
| provide_linux_amd64_toolchain_config( |
| name = "linux_amd64_toolchain_config", |
| ) |
| |
| provide_mac_toolchain_config( |
| name = "mac_toolchain_config", |
| ) |
| |
| # https://bazel.build/reference/be/c-cpp#cc_toolchain |
| cc_toolchain( |
| name = "linux_amd64_host", |
| all_files = ":not_implemented", |
| ar_files = ":archive_linux_amd64_files", |
| compiler_files = ":compile_linux_amd64_files", |
| dwp_files = ":not_implemented", |
| linker_files = ":link_linux_amd64_files", |
| module_map = "@clang_linux_amd64//:generated_module_map", |
| objcopy_files = ":not_implemented", |
| strip_files = ":not_implemented", |
| supports_param_files = False, |
| toolchain_config = ":linux_amd64_toolchain_config", |
| ) |
| |
| cc_toolchain( |
| name = "mac_host", |
| all_files = ":compile_mac_files", # Apparently also used to compile objc code |
| ar_files = ":archive_mac_files", |
| compiler_files = ":compile_mac_files", |
| dwp_files = ":not_implemented", |
| linker_files = ":link_mac_files", |
| module_map = "@clang_mac//:generated_module_map", |
| objcopy_files = ":not_implemented", |
| strip_files = ":not_implemented", |
| supports_param_files = False, |
| toolchain_config = ":mac_toolchain_config", |
| ) |