Add FreeBSD and ubuntu32 Vagrant images.

- FreeBSD not working.
- OSH build uncovered on ubuntu32 box due to pyconfig.h
- Also added an old precise32 box that hasn't been run yet.

Vagrantfile

@@ -21,6 +21,36 @@ Vagrant.configure(2) do |config|
    c.vm.box = "centos/7"
  end

  # 32-bit architecture.
  config.vm.define "ubuntu32" do |c|
    c.vm.box = "puppetlabs/ubuntu-16.04-32-puppet"
  end

  # Old 32-bit box.  Testing both old libc and 32-bit architecture.
  config.vm.define "precise32" do |c|
    c.vm.box = "hashicorp/precise32"
  end

  # Hm I can't get this to work, even with conflicting instructions here:
  # https://app.vagrantup.com/freebsd/boxes/FreeBSD-11.0-STABLE
  # https://forums.freebsd.org/threads/52717/
  # https://planet.freebsd.org/brd/2015/08/07/official-vagrant-freebsd-images/
  config.vm.define "freebsd" do |c|
    c.vm.synced_folder ".", "/vagrant", id: "vagrant-root", disabled: true
    c.vm.box = "freebsd/FreeBSD-11.0-STABLE"
    c.ssh.shell = "sh"
    c.vm.base_mac = "080027D14C66"

    c.vm.provider :virtualbox do |vb|
      vb.customize ["modifyvm", :id, "--memory", "1024"]
      vb.customize ["modifyvm", :id, "--cpus", "1"]
      vb.customize ["modifyvm", :id, "--hwvirtex", "on"]
      vb.customize ["modifyvm", :id, "--audio", "none"]
      vb.customize ["modifyvm", :id, "--nictype1", "virtio"]
      vb.customize ["modifyvm", :id, "--nictype2", "virtio"]
    end
  end

  # Disable automatic box update checking. If you disable this, then
  # boxes will only be checked for updates when the user runs
  # `vagrant box outdated`. This is not recommended.

test/vagrant.sh

@@ -8,11 +8,13 @@ set -o pipefail
set -o errexit

# TODO:
# - Arch Linux
# - CentOS
#
# - FreeBSD
# - OpenBSD
# - FreeBSD - fix
# - OpenBSD - no official image

# - 32-bit https://app.vagrantup.com/puppetlabs/boxes/ubuntu-16.04-32-puppet
# Or a really old one:
# - https://app.vagrantup.com/hashicorp/boxes/precise32


# Hm lots of Ruby dependencies.
install() {