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Add missing defaults for cc_toolchain 

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Add missing defaults for cc_toolchain

Fixes breakage caused by fully enumerating known attributes of a cc_toolchain without providing default values for optional arguments.

END_PUBLIC

PiperOrigin-RevId: 684719429
Change-Id: I8d031a344a65218fc925025cfef7768d123ad879
This commit is contained in:
Googler 2024-10-10 23:36:20 -07:00 committed by Copybara-Service
parent 4a2d37625b
commit ae44550707
2 changed files with 20 additions and 20 deletions
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20
cc/toolchains/toolchain.bzl
View File

@ -55,16 +55,16 @@ _LEGACY_FILE_GROUPS = {
def cc_toolchain( def cc_toolchain(
*, *,
name, name,
tool_map, tool_map = None,
args, args = [],
known_features, known_features = [],
enabled_features, enabled_features = [],
libc_top, libc_top = None,
module_map, module_map = None,
dynamic_runtime_lib, dynamic_runtime_lib = None,
static_runtime_lib, static_runtime_lib = None,
supports_header_parsing, supports_header_parsing = False,
supports_param_files, supports_param_files = False,
**kwargs): **kwargs):
"""A C/C++ toolchain configuration. """A C/C++ toolchain configuration.

20
docs/toolchain_api.md
View File

@ -729,16 +729,16 @@ Generated rules:
| Name | Description | Default Value | | Name | Description | Default Value |
| :------------- | :------------- | :------------- | | :------------- | :------------- | :------------- |
| <a id="cc_toolchain-name"></a>name | (str) The name of the label for the toolchain. | none | | <a id="cc_toolchain-name"></a>name | (str) The name of the label for the toolchain. | none |
| <a id="cc_toolchain-tool_map"></a>tool_map | (Label) The [`cc_tool_map`](#cc_tool_map) that specifies the tools to use for various toolchain actions. | none | | <a id="cc_toolchain-tool_map"></a>tool_map | (Label) The [`cc_tool_map`](#cc_tool_map) that specifies the tools to use for various toolchain actions. | `None` |
| <a id="cc_toolchain-args"></a>args | (List[Label]) A list of [`cc_args`](#cc_args) and `cc_arg_list` to apply across this toolchain. | none | | <a id="cc_toolchain-args"></a>args | (List[Label]) A list of [`cc_args`](#cc_args) and `cc_arg_list` to apply across this toolchain. | `[]` |
| <a id="cc_toolchain-known_features"></a>known_features | (List[Label]) A list of [`cc_feature`](#cc_feature) rules that this toolchain supports. Whether or not these [features](https://bazel.build/docs/cc-toolchain-config-reference#features) are enabled may change over the course of a build. See the documentation for [`cc_feature`](#cc_feature) for more information. | none | | <a id="cc_toolchain-known_features"></a>known_features | (List[Label]) A list of [`cc_feature`](#cc_feature) rules that this toolchain supports. Whether or not these [features](https://bazel.build/docs/cc-toolchain-config-reference#features) are enabled may change over the course of a build. See the documentation for [`cc_feature`](#cc_feature) for more information. | `[]` |
| <a id="cc_toolchain-enabled_features"></a>enabled_features | (List[Label]) A list of [`cc_feature`](#cc_feature) rules whose initial state should be `enabled`. Note that it is still possible for these [features](https://bazel.build/docs/cc-toolchain-config-reference#features) to be disabled over the course of a build through other mechanisms. See the documentation for [`cc_feature`](#cc_feature) for more information. | none | | <a id="cc_toolchain-enabled_features"></a>enabled_features | (List[Label]) A list of [`cc_feature`](#cc_feature) rules whose initial state should be `enabled`. Note that it is still possible for these [features](https://bazel.build/docs/cc-toolchain-config-reference#features) to be disabled over the course of a build through other mechanisms. See the documentation for [`cc_feature`](#cc_feature) for more information. | `[]` |
| <a id="cc_toolchain-libc_top"></a>libc_top | (Label) A collection of artifacts for libc passed as inputs to compile/linking actions. See [`cc_toolchain.libc_top`](https://bazel.build/reference/be/c-cpp#cc_toolchain.libc_top) for more information. | none | | <a id="cc_toolchain-libc_top"></a>libc_top | (Label) A collection of artifacts for libc passed as inputs to compile/linking actions. See [`cc_toolchain.libc_top`](https://bazel.build/reference/be/c-cpp#cc_toolchain.libc_top) for more information. | `None` |
| <a id="cc_toolchain-module_map"></a>module_map | (Label) Module map artifact to be used for modular builds. See [`cc_toolchain.module_map`](https://bazel.build/reference/be/c-cpp#cc_toolchain.module_map) for more information. | none | | <a id="cc_toolchain-module_map"></a>module_map | (Label) Module map artifact to be used for modular builds. See [`cc_toolchain.module_map`](https://bazel.build/reference/be/c-cpp#cc_toolchain.module_map) for more information. | `None` |
| <a id="cc_toolchain-dynamic_runtime_lib"></a>dynamic_runtime_lib | (Label) Dynamic library to link when the `static_link_cpp_runtimes` and `dynamic_linking_mode` [features](https://bazel.build/docs/cc-toolchain-config-reference#features) are both enabled. See [`cc_toolchain.dynamic_runtime_lib`](https://bazel.build/reference/be/c-cpp#cc_toolchain.dynamic_runtime_lib) for more information. | none | | <a id="cc_toolchain-dynamic_runtime_lib"></a>dynamic_runtime_lib | (Label) Dynamic library to link when the `static_link_cpp_runtimes` and `dynamic_linking_mode` [features](https://bazel.build/docs/cc-toolchain-config-reference#features) are both enabled. See [`cc_toolchain.dynamic_runtime_lib`](https://bazel.build/reference/be/c-cpp#cc_toolchain.dynamic_runtime_lib) for more information. | `None` |
| <a id="cc_toolchain-static_runtime_lib"></a>static_runtime_lib | (Label) Static library to link when the `static_link_cpp_runtimes` and `static_linking_mode` [features](https://bazel.build/docs/cc-toolchain-config-reference#features) are both enabled. See [`cc_toolchain.dynamic_runtime_lib`](https://bazel.build/reference/be/c-cpp#cc_toolchain.dynamic_runtime_lib) for more information. | none | | <a id="cc_toolchain-static_runtime_lib"></a>static_runtime_lib | (Label) Static library to link when the `static_link_cpp_runtimes` and `static_linking_mode` [features](https://bazel.build/docs/cc-toolchain-config-reference#features) are both enabled. See [`cc_toolchain.dynamic_runtime_lib`](https://bazel.build/reference/be/c-cpp#cc_toolchain.dynamic_runtime_lib) for more information. | `None` |
| <a id="cc_toolchain-supports_header_parsing"></a>supports_header_parsing | (bool) Whether or not this toolchain supports header parsing actions. See [`cc_toolchain.supports_header_parsing`](https://bazel.build/reference/be/c-cpp#cc_toolchain.supports_header_parsing) for more information. | none | | <a id="cc_toolchain-supports_header_parsing"></a>supports_header_parsing | (bool) Whether or not this toolchain supports header parsing actions. See [`cc_toolchain.supports_header_parsing`](https://bazel.build/reference/be/c-cpp#cc_toolchain.supports_header_parsing) for more information. | `False` |
| <a id="cc_toolchain-supports_param_files"></a>supports_param_files | (bool) Whether or not this toolchain supports linking via param files. See [`cc_toolchain.supports_param_files`](https://bazel.build/reference/be/c-cpp#cc_toolchain.supports_param_files) for more information. | none | | <a id="cc_toolchain-supports_param_files"></a>supports_param_files | (bool) Whether or not this toolchain supports linking via param files. See [`cc_toolchain.supports_param_files`](https://bazel.build/reference/be/c-cpp#cc_toolchain.supports_param_files) for more information. | `False` |
| <a id="cc_toolchain-kwargs"></a>kwargs | [common attributes](https://bazel.build/reference/be/common-definitions#common-attributes) that should be applied to all rules created by this macro. | none | | <a id="cc_toolchain-kwargs"></a>kwargs | [common attributes](https://bazel.build/reference/be/common-definitions#common-attributes) that should be applied to all rules created by this macro. | none |