the uuid library is already installed.. i solved the problem by downloading
 libgcc.deb then i installed this package with "dpkg -i" command

On Fri, Jun 10, 2016 at 3:23 PM, Wei Liu <wei.liu2@citrix.com> wrote:

> On Fri, Jun 10, 2016 at 01:03:49PM +0100, Safa Hamza wrote:
> > i'm working now with another PC running ubuntu 12.04 ..
> > while configuring Xen from the source i got this error
> >
> > checking uuid/uuid.h usability... yes
> > checking uuid/uuid.h presence... yes
> > checking for uuid/uuid.h... yes
> > checking for uuid_clear in -luuid... no
> > checking uuid.h usability... no
> > checking uuid.h presence... no
> > checking for uuid.h... no
> > configure: error: cannot find a valid uuid library
>
> This.
>
> Please install the uuid development library in your distro.
>
>
> Wei.
>