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---
title: 'CcToolchainConfigInfo'
---
Additional layer of configurability for C++ rules. Encapsulates platform-dependent specifics of C++ actions through features and action configs. It is used to configure the C++ toolchain, and later on for command line construction. Replaces the functionality of CROSSTOOL file.
## Members
* [proto](#proto)
## proto
```
string CcToolchainConfigInfo.proto
```
Returns CToolchain text proto from the CcToolchainConfigInfo data.