Re: [Xen-API] Intel CQM feature enabling in XenAPI

[Euan Harris <euan.harris@xxxxxxxxxx>]

Hi,

> I once asked Zheng Li for help. Thanks for Zheng's help.:)
> Zheng told me that we could build xenserver-core probject
> (https://github.com/xenserver/xenserver-core), with which we should be
> able to build most xenserver components (including xapi) on a vanilla
> CentOS.
> 
> We tried this way, and xenserver-core could be built smoothly on CentOS6.5
> or Ubuntu1304. But after that, XenAPI could not be built successfully, and
> said some packages could not be found (stdext, xml-light2, uuid, etc..)

This is happening because building and installing xenserver-core does
not install xen-api's build dependencies.   xenserver-core builds RPMs
in temporary chroot environments, using mock, so even though you have
build xen-api as part of xenserver-core, its dependencies were not
installed on your machine.   You can use 'yum-builddep' to install
them from your xenserver-core repository, but if you want to build
trunk xen-api you will need to install a couple of other dependencies
which are not yet packaged in xenserver-core.

This should do the trick:

   # install the packaged dependencies
   sudo yum-builddep xapi

   # build and install ocaml-ctypes, needed by ocaml-opasswd below
   sudo yum install libffi-devel
   curl -OL 
https://github.com/ocamllabs/ocaml-ctypes/archive/ocaml-ctypes-0.2.3.tar.gz
   tar zxvf ocaml-ctypes-0.2.3.tar.gz
   cd ocaml-ctypes-ocaml-ctypes-0.2.3 
   make 
   make install
   cd ..

   # build and install ocaml-passwd
   # ocaml-opasswd must be patched to build with the version of ocaml used by 
   # xenserver-core
   git clone https://github.com/xapi-project/ocaml-opasswd
   sudo yum install oasis
   cd ocaml-opasswd
   patch -p1 < ocaml-opasswd.patch
   oasis setup
   make
   sudo make install
   cd ..

   # build xen-api
   git clone https://github.com/xapi-project/xen-api
   cd xen-api
   make

Thanks,
Euan

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