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C++ Rules for Bazel
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rosica 2312d72134 Fix allowed values in 'compiler' attribute of cc_toolchain_config rule. 
When cpu value is not enough to distinguish between two toolchains, we use the compiler value. In that case, the user needs to specify the compiler value for all cc_toolchain_config rules, even for the ones with unique cpu. This cl fixes the allowed values in the compiler attribute to account for the values from unique toolchains.

Issue #5380
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PiperOrigin-RevId: 239396228
 		2019-03-20 07:55:12 -07:00
.bazelci Add initial bazelci config for rules_cc 2019-01-11 00:05:29 -08:00
cc Add initial content of rules_cc repo 2019-01-09 08:58:14 +01:00
examples Replace scrubbing with copybara-comment-this-out-please in copybara 2019-03-14 17:13:28 +01:00
third_party Replace scrubbing with copybara-comment-this-out-please in copybara 2019-03-14 17:13:28 +01:00
tools/migration Fix allowed values in 'compiler' attribute of cc_toolchain_config rule. 2019-03-20 07:55:12 -07:00
.gitignore Add things needed for rules_cc to build & test in the open 2019-01-09 08:59:09 +01:00
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ISSUE_TEMPLATE.md Fix issue template 2019-02-27 01:37:03 -08:00
LICENSE Internal change 2019-01-09 08:56:00 +01:00
README.md List places to ask questions for rules_cc 2019-02-26 05:11:07 -08:00
WORKSPACE Add a script for converting CROSSTOOL files to Starlark rules 2019-01-24 14:54:38 -08:00
renovate.json Automated rollback of commit a613d78865. 2019-03-07 02:55:44 -08:00

README.md

C++ rules for Bazel

Build status

This repository contains 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.

Getting Started

There is no need to use rules from this repository just yet. If you want to use rules_cc anyway, 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/TODO"],
    sha256 = "TODO",
)

Then, in your BUILD files, import and use the rules:

load("@rules_cc//cc:rules.bzl", "cc_library")
cc_library(
    ...
)

Migration Tools

This repository also contains migration tools that can be used to migrate your project for Bazel incompatible changes.

Legacy fields migrator

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

Contributing

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: