Vagrant instead of Docker

[av skip]

README.windows.md

@@ -189,29 +189,36 @@ Julia can be also compiled from source in [Cygwin](http://www.cygwin.com), using
 
 If you prefer to cross-compile, the following steps should get you started.
 
-For maximum compatibility with packages that use [WinRPM.jl](https://github.com/JuliaLang/WinRPM.jl) for binary dependencies on Windows, it is recommended that you use OpenSUSE 13.1 for cross-compiling a Windows build of Julia. If you use a different Linux distribution (or OS X), install [Docker](https://docs.docker.com/installation) and use the following `Dockerfile`:
+For maximum compatibility with packages that use [WinRPM.jl](https://github.com/JuliaLang/WinRPM.jl) for binary dependencies on Windows, it is recommended that you use OpenSUSE 13.1 for cross-compiling a Windows build of Julia. If you use a different Linux distribution or OS X, install [Vagrant](http://www.vagrantup.com/downloads) and use the following `Vagrantfile`:
 ```
-# Dockerfile for MinGW-w64 cross-compilation of Julia
-FROM opensuse:13.1
+# Vagrantfile for MinGW-w64 cross-compilation of Julia
 
+$script = <<SCRIPT
 # Change the following to i686-w64-mingw32 for 32 bit Julia:
-ENV XC_HOST x86_64-w64-mingw32
+export XC_HOST=x86_64-w64-mingw32
 # Change the following to 32 for 32 bit Julia:
-ENV BITS 64
-
-RUN zypper addrepo http://download.opensuse.org/repositories/windows:mingw:win$BITS/openSUSE_13.1/windows:mingw:win$BITS.repo && \
-    zypper --gpg-auto-import-keys refresh && \
-    zypper -n install --no-recommends git make cmake tar wine which curl \
-        python python-xml patch gcc-c++ m4 p7zip.i586 libxml2-tools && \
-    zypper -n install mingw$BITS-cross-gcc-c++ mingw$BITS-cross-gcc-fortran \
-        mingw$BITS-libstdc++6 mingw$BITS-libgfortran3 mingw$BITS-libssp0
+export BITS=64
+zypper addrepo http://download.opensuse.org/repositories/windows:mingw:win$BITS/openSUSE_13.1/windows:mingw:win$BITS.repo
+zypper --gpg-auto-import-keys refresh
+zypper -n install --no-recommends git make cmake tar wine which curl \
+    python python-xml patch gcc-c++ m4 p7zip.i586 libxml2-tools
+zypper -n install mingw$BITS-cross-gcc-c++ mingw$BITS-cross-gcc-fortran \
+    mingw$BITS-libstdc++6 mingw$BITS-libgfortran3 mingw$BITS-libssp0
 # opensuse packages the mingw runtime dlls under sys-root/mingw/bin, not /usr/lib64/gcc
-RUN cp /usr/$XC_HOST/sys-root/mingw/bin/*.dll /usr/lib*/gcc/$XC_HOST/*/ && \
-    git clone git://github.com/JuliaLang/julia.git /home/user/julia && \
-    git config --global url."git://".insteadOf https://
-# use git:// to avoid SSL certificate problems with JuliaDoc
-WORKDIR /home/user/julia
-RUN make -j4 win-extras binary-dist
+cp /usr/$XC_HOST/sys-root/mingw/bin/*.dll /usr/lib*/gcc/$XC_HOST/*/
+git clone git://github.com/JuliaLang/julia.git julia
+cd julia
+make -j4 win-extras binary-dist
+SCRIPT
+
+Vagrant.configure("2") do |config|
+  config.vm.box = "chef/opensuse-13.1"
+  config.vm.provider :virtualbox do |vb|
+    # Use VBoxManage to customize the VM. For example to change memory:
+    vb.memory = 2048
+  end
+  config.vm.provision :shell, :inline => $script
+end
 ```
 
 ### Cross-building Julia