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Re: [Xen-users] Compiling Xen with gcc 7

On Sun, Aug 06, 2017 at 05:43:24PM +0200, Peter Milesson wrote:
> Hi folks,
> I replaced an ancient setup of Slackware 14.1 with Xen (4.3.1) on kernel
> 3.12, with glibc 2.24, with the fresh components of everything (Slackware
> 14.2 current, kernel 4.9.40, glibc 2.26, gcc 7.1.0, xen 4.8.1). I had quite
> a bit of trouble compiling Xen with gcc 7.1.0, though.
> gcc 7 issues a lot more warnings than previous versions, and in many places
> the gcc flag -Werror effectively halts the make, as warnings are treated as
> errors.
> As I really needed to get the stuff working, I changed the the -Werror to
> -Wno-error where ever possible. I know it's stupid, but I had only hours to
> get it going. The server is working, there seems to be no real problems, but
> I want to do it the proper way.
> Is there anybody out there who's built xen 4.8.1, or 4.9.0 with gcc 7? And
> if so, where should I tweak the flags, or patch the source?

Feel free to submit bug reports to xen-devel@ with complete build logs.
We will see about fixing them. We could also give you advice on how to
workaround the issues.

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