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:Z for docker container on SELinux-enabled distros #230

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13 changes: 12 additions & 1 deletion README.md
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Expand Up @@ -72,7 +72,7 @@ $ docker build -t librespot-cross -f contrib/Dockerfile .
```

The resulting image can be used to build librespot for linux x86_64, armhf (compatible e. g. with Raspberry Pi 2 or 3, but not with Raspberry Pi 1 or Zero) and armel.
The compiled binaries will be located in /tmp/librespot-build
The compiled binaries will be located in /tmp/librespot-build/[architecture]/release/

```
docker run -v /tmp/librespot-build:/build librespot-cross
Expand All @@ -87,6 +87,17 @@ docker run -v /tmp/librespot-build:/build librespot-cross cargo build --release

Don't forget to set the `with-tremor` feature flag if your target device does not have floating-point capabilities.

### SELinux
If you are running docker on a system with SElLnux (RHEL, Centos, Fedora), add `:Z` to the end of the docker volume argument, to ensure the proper SELinux context is inherited by the directory used as a docker volume.

This yields the following commandlines:
```shell
docker run -v /tmp/librespot-build:/build:Z librespot-cross
docker run -v /tmp/librespot-build:/build:Z librespot-cross cargo build --release --no-default-features --features alsa-backend
docker run -v /tmp/librespot-build:/build:Z librespot-cross cargo build --release --target arm-unknown-linux-gnueabihf --no-default-features --features alsa-backend
docker run -v /tmp/librespot-build:/build:Z librespot-cross cargo build --release --target arm-unknown-linux-gnueabi --no-default-features --features alsa-backend
```

## Development
When developing *librespot*, it is preferable to use Rust nightly, and build it using the following :
```shell
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