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obsolete non-docker build stuff
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‎docs/devtools/setting-up-the-ev3dev-build-ecosystem.md‎

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---
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title: Setting Up The ev3dev Build Ecosystem
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title: Setting Up The ev3dev Build Ecosystem (obsolete)
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subject: Development Setup
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---
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{% include icon.html type="danger" %}
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This page is obsolete. We now use [Docker](https://www.docker.com){: .alert-link}
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for managing ev3dev image builds.
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{:.alert .alert-danger}
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* Table of Contents
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{:toc}
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‎docs/tutorials/using-brickstrap-to-cross-compile.md‎

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title: "Using Brickstrap to Cross-Compile"
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title: "Using Brickstrap to Cross-Compile (obsolete)"
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subject: "Cross-Compiling"
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author: "@dlech"
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---
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{: .lead .clearfix}
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{% include icon.html type="danger" %}
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This method of cross-compiling is being phased out. Please try [Docker]{: .alert-link}
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instead.
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This method of cross-compiling is no longer supported. Please use [Docker]{: .alert-link}
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instead. Brickstrap still exists, but starting with v0.6.0, it only creates
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disk images from Docker images. If you *really* want to keep using the old
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brickstrap, you can use the [0.5.x branch][legacy branch]{: .alert-link}
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or download the [legacy Debian package][legacy package]{: .alert-link}
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and install it manually.
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{: .alert .alert-danger}
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[Docker]: /docs/tutorials/using-docker-to-cross-compile
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## Getting Brickstrap
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<div class="panel panel-info">
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<div class="panel-heading">
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<h2 class="panel-title">Official OS Support</h2>
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</div>
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<div class="panel-body" markdown="1">
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To help preserve our sanity, we are only going to officially
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support using brickstrap on one OS, namely Ubuntu trusty. Also, we only
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support 64-bit host machines (there are some unresolved issues that prevent
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brickstrap from working correctly on 32-bit). So, if you are not already
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running [trusty](http://www.ubuntu.com/download/server){: .alert-link},
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you will need to install it in a
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[virtual machine](https://www.virtualbox.org/wiki/Downloads){: .alert-link}.
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We recommend installing the server version because it requires less memory
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and you don't need a graphical desktop for what we are doing.
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TODO: Need to create a page for setting up a VM and move this info there
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because it applies to more than just brickstrap. For now, there is plenty
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of documentation on setting up a VM floating around the web - just do a search.
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Also, you will find it easier to ssh into the VM so that you can have multiple
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terminals open at once rather than trying to use the console in VirtualBox.
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To do this, you will want to change the network adapter from NAT (default)
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to bridged in the VirtualBox settings before starting the VM.
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</div>
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</div>
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Brickstrap is available as a .deb package from the ev3dev.org package repository.
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Once you have trusty up and running, run the following commands to install the
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`brickstrap` package.
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sudo apt-key adv --keyserver pgp.mit.edu --recv-keys 2B210565
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sudo apt-add-repository "deb http://archive.ev3dev.org/ubuntu trusty main"
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sudo apt-get update
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sudo apt-get install brickstrap
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Next, there are a few things we need to take care of. `brickstrap` uses a
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library called `libguestfs` to build the disk image. There is some setup
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required to use this.
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# create a supermin appliance
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sudo update-guestfs-appliance
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# add yourself to the kvm group
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# need to log out and back in for this to take effect
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sudo usermod -a -G kvm <username>
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# fix permissions on /boot/vmlinuz*
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sudo chmod +r /boot/vmlinuz*
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And you need to add yourself to `/etc/subuid` and `/etc/subgid` to be able to
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use uid/gid mapping.
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sudo usermod --add-subuids 200000-265534 --add-subgids 200000-265534 $USER
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{% include icon.html type="info" %}
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Check out the [brickstrap Github page]{: .alert-link}
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for the most up-to-date information on brickstrap.
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{: .alert .alert-info}
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[brickstrap Github page]: https://github.com/ev3dev/brickstrap
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[legacy branch]: https://github.com/ev3dev/brickstrap/tree/0.5.x
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[legacy package]: https://github.com/ev3dev/brickstrap/releases/tag/0.5.1
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## Creating a Virtual Environment
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