Add support to inject cc_feature into legacy toolchains Copybara Import from https://github.com/bazelbuild/rules_cc/pull/525 BEGIN_PUBLIC Add support to inject cc_feature into legacy toolchains (#525) This adds a parameter to unix cc_toolchain_config and windows cc_toolchain_config to be able to inject a cc_feature. This allows a user to inject a feature (for example for custom warnings) without having to reimplement the full toolchain. Resolves #517 Closes #525 END_PUBLIC COPYBARA_INTEGRATE_REVIEW=https://github.com/bazelbuild/rules_cc/pull/525 from limdor:inject_features_support cbacde6ce16743d05e79824f9d86b0ec0611ccbf PiperOrigin-RevId: 868449238 Change-Id: I407ece9fc8d308054f3e8dc59ca2cbc34e3d0f6b
This repository contains a Starlark implementation of C++ rules in Bazel.
The rules are being incrementally converted from their native implementations in the Bazel source tree.
For the list of C++ rules, see the Bazel documentation.
Add the following to your WORKSPACE file:
load("@bazel_tools//tools/build_defs/repo:http.bzl", "http_archive") http_archive( name = "rules_cc", urls = ["https://github.com/bazelbuild/rules_cc/archive/refs/tags/<VERSION>.tar.gz"], sha256 = "...", )
Then, in your BUILD files, import and use the rules:
load("@rules_cc//cc:defs.bzl", "cc_library") cc_library( ... )
This repo contains an auto-detecting toolchain that expects to find tools installed on your host machine. This is non-hermetic, and may have varying behaviors depending on the versions of tools found.
There are third-party contributed hermetic toolchains you may want to investigate:
If you'd like to use the cc toolchain defined in this repo, add this to your WORKSPACE after you include rules_cc:
load("@rules_cc//cc:repositories.bzl", "rules_cc_dependencies", "rules_cc_toolchains") rules_cc_dependencies() rules_cc_toolchains()
This repository also contains migration tools that can be used to migrate your project for Bazel incompatible changes.
Script that migrates legacy crosstool fields into features (incompatible flag, tracking issue).
TLDR:
bazel run @rules_cc//tools/migration:legacy_fields_migrator -- \ --input=my_toolchain/CROSSTOOL \ --inline
Bazel and rules_cc are the work of many contributors. We appreciate your help!
To contribute, please read the contribution guidelines: CONTRIBUTING.md.
Note that the rules_cc use the GitHub issue tracker for bug reports and feature requests only. For asking questions see:
rules_cc mailing list#cc on slack.bazel.build