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C++ Rules for Bazel
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rosica 903ad72c43 Make CToolchain comparator ignore differences in CToolchain.Tool.tool_path and CToolcain.ToolPath.path when one is "" and the other "NOT_USED" 
Starlark constructors for tool_path and tool do not allow empty strings for the path field. Therefore the migrator replaces the "" with "NOT_USED". We should ignore this difference when comparing the CToolchains.

#5380

PiperOrigin-RevId: 232827179
 		2019-02-07 01:04:52 -08:00
.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
third_party Add a script for converting CROSSTOOL files to Starlark rules 2019-01-24 14:54:38 -08:00
tools/migration Make CToolchain comparator ignore differences in CToolchain.Tool.tool_path and CToolcain.ToolPath.path when one is "" and the other "NOT_USED" 2019-02-07 01:04:52 -08:00
.gitignore Add things needed for rules_cc to build & test in the open 2019-01-09 08:59:09 +01:00
BUILD Internal change 2019-01-09 08:56:00 +01:00
CODEOWNERS Add CODEOWNERS for rules_cc. 2019-02-05 02:22:15 -08:00
CONTRIBUTING.md Add initial content of rules_cc repo 2019-01-09 08:58:14 +01:00
LICENSE Internal change 2019-01-09 08:56:00 +01:00
README.md Fix rules_cc badge 2019-01-24 09:10:10 -08:00
WORKSPACE Add a script for converting CROSSTOOL files to Starlark rules 2019-01-24 14:54:38 -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