Re: [Xen-devel] [stage1-xen (RFC) PATCH 10/10] BUILDING.md: Add Fedora instructions

[Stefano Stabellini <sstabellini@xxxxxxxxxx>]

On Mon, 21 Aug 2017, Rajiv Ranganath wrote:
> ---
>  BUILDING.md |   35 ++++++++++++++++++++++++++++++-----
>  1 file changed, 30 insertions(+), 5 deletions(-)
> 
> diff --git a/BUILDING.md b/BUILDING.md
> index 3ef5311..b9ca404 100644
> --- a/BUILDING.md
> +++ b/BUILDING.md
> @@ -1,7 +1,13 @@
>  # Build
> -stage1-xen requires new Xen and QEMU versions at the time of writing. You 
> are unlikely to find them already packaged with your distro. This document 
> describes how to build and install the latest Xen and QEMU from scratch. In 
> addition, given that CoreOS rkt is also missing from reasonably new distros 
> such as Ubuntu Xenial Xerus, I added instructions on how to build that too. 
> The document includes the dependencies needed for the build based on Ubuntu 
> Xenial Xerus.
> +stage1-xen requires new Xen and QEMU versions at the time of writing. You 
> are unlikely to find them already packaged with your distro. This document 
> describes how to build and install the latest Xen, QEMU and rkt from scratch 
> for Ubuntu Xenial Xerus and Fedora.

I would clarify that the build and installation method for Ubuntu and
the one for Fedora use very different approaches. I would add:

  ... "for Ubuntu Xenial Xerus and Fedora. Differently from the
  documentation for Ubuntu, the documentation for Fedora uses a separate
  Docker container for the build."


> -## Building Xen
> + * [Ubuntu Xenial Xerus](#build_ubuntu)
> + * [Fedora](#build_fedora)

  [Fedora via container]



> +<a name="build_ubuntu"></a>
> +## Ubuntu Xenial Xerus
> +
> +### Building Xen
>  ```
>  apt-get install git build-essential python-dev gettext uuid-dev 
> libncurses5-dev libyajl-dev libaio-dev pkg-config libglib2.0-dev libssl-dev 
> libpixman-1-dev bridge-utils wget libfdt-dev bin86 bcc liblzma-dev iasl 
> libc6-dev-i386
>  
> @@ -17,7 +23,7 @@ reboot
>  Make sure to select Xen at boot, or edit /boot/grub/grub.cfg to make it the 
> default, changing "set default="0" to point to the appropriate entry below 
> (the one booting xen.gz), which could be entry number "4" for example.
>  
>  
> -## Building QEMU
> +### Building QEMU
>  ```
>  apt-get install libglib2.0-dev libpixman-1-dev libcap-dev libattr1-dev
>  
> @@ -54,7 +60,7 @@ make install
>  cp i386-softmmu/qemu-system-i386 /usr/lib/xen/bin/
>  ```
>  
> -## Building CoreOS rkt
> +### Building CoreOS rkt
>  ```
>  apt-get install golang automake libacl1-dev libsystemd-dev
>  ./configure --disable-tpm --with-stage1-flavors=coreos
> @@ -62,7 +68,7 @@ make
>  cp build-rkt-1.26.0+git/target/bin/rkt /usr/sbin
>  ```
>  
> -## Building stage1-xen
> +### Building stage1-xen
>  ```
>  apt-get install busybox-static jq
>  
> @@ -72,3 +78,22 @@ export GOPATH=/path/to/gopath
>  bash build.sh
>  cp stage1-xen.aci /home/username
>  ```
> +
> +<a name="build_fedora"></a>
> +## Fedora
> +
> +On Fedora we build stage1-xen artifacts (Xen, QEMU and rkt) in a docker 
> container as follows &ndash;
> +
> +```
> +cd stage1-xen
> +
> +docker pull lambdalinuxfedora/stage1-xen-fedora-buildroot
> +
> +docker run --rm \
> +  -v `pwd`:/root/gopath/src/github.com/rkt/stage1-xen \
> +  -v /tmp:/tmp \
> +  -t -i lambdalinuxfedora/stage1-xen-fedora-buildroot \
> +  /sbin/my_init -- /root/bin/run
> +```
> +
> +Once `docker run` completes, the build artifact `stage1-xen-build.tar.gz` is 
> generated in `/tmp` directory. Please see 
> [RUNNING_STAGE1_XEN.md](build/fedora/RUNNING_STAGE1_XEN.md) for details on 
> how to setup Fedora for running stage1-xen.

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