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Set up GCC
==========
[](https://github.com/egor-tensin/setup-gcc/actions/workflows/test.yml)
This GitHub action sets up GCC in your workflow run.
1. Installs either 32-bit or 64-bit GCC on either Ubuntu or Cygwin.
2. For installing GCC on Windows please see my action [setup-mingw].
[setup-mingw]: https://github.com/egor-tensin/setup-mingw
Use it in your workflow like this:
- name: Set up GCC
uses: egor-tensin/setup-gcc@v1
with:
platform: x64
* `x64` is the default value for the `platform` parameter and can be omitted.
Use `x86` if you want to build 32-bit binaries.
* Set the `cygwin` parameter to `1` to set up GCC inside an existing Cygwin
installation (you can set up Cygwin itself using my action [setup-cygwin]).
* `cc` and `c++` executables are set up, pointing to the `gcc` and `g++`
executables.
Disable this by setting the `cc` parameter to `0`.
[setup-cygwin]: https://github.com/egor-tensin/setup-cygwin
API
---
| Input | Value | Default | Description
| --------- | ------- | ------- | -----------
| version | latest | ✓ | Install the latest version available in the repository.
| | *any* | | Install a specific version if it's available (see below).
| platform | x64 | k | Install the x86_64 toolchain.
| | *any* | | Install the i686 toolchain.
| cygwin | *any* | ✓ | Install native binaries.
| | 1 | | Install Cygwin packages.
| cc | 1 | ✓ | Set up `cc`/`c++` executables.
| | *any* | | Don't set up `cc`/`c++`.
| hardlinks | *any* | ✓ | Cygwin: don't convert any symlinks.
| | 1 | | Cygwin: convert symlinks in /usr/bin to hardlinks.
Supported versions
------------------
Unless the `version` parameter value is "latest", the ubuntu-toolchain-r/test
PPA is added to make more GCC versions available.
Then you can pass the version number as the `version` parameter value ('4.8',
'8', '9', etc.), and this action will install the corresponding `g++-VERSION`
package.
The `version` value is not checked for being an available version for the
current distribution.
The supported versions for a particular distribution are those found in the
official repositories & those found in that distribution's series in the PPA.
For example, the supported versions for Bionic & Focal as of July 2021 are
listed below.
| `version` | Bionic | Focal
| --------- | ------ | -----
| 4.8 | ✓ |
| 5 | ✓ |
| 6 | ✓ |
| 7 | ✓ | ✓
| 8 | ✓ | ✓
| 9 | ✓ | ✓
| 10 | ✓ | ✓
| 11 | ✓ | ✓
This table is not definitive; I expect more future versions of GCC to be made
available in the PPA, especially for Focal.
On Cygwin, the `version` parameter is ignored.
License
-------
Distributed under the MIT License.
See [LICENSE.txt] for details.
[LICENSE.txt]: LICENSE.txt
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