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Date:      Thu, 11 Jul 2013 13:18:00 +0200
From:      =?ISO-8859-1?Q?Roger_Pau_Monn=E9?= <roger.pau@citrix.com>
To:        Jeroen van der Ham <jeroen@dckd.nl>
Cc:        freebsd-xen@freebsd.org, J <jesse@glx.me>
Subject:   Re: KERNCONF=XENHVM FAILED to build
Message-ID:  <51DE9468.8090305@citrix.com>
In-Reply-To: <05769B25-9AC3-4CEF-95E5-E995E337C883@dckd.nl>
References:  <CAEMuk5-%2BQrfkBXcMZ1VOBRsgk1ZuJUVbUayhbB3dPPk4QE9GPg@mail.gmail.com> <05769B25-9AC3-4CEF-95E5-E995E337C883@dckd.nl>

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On 11/07/13 13:11, Jeroen van der Ham wrote:
> Hi,
> 
> I've been trying to build kernel on FreeBSD 9.0 also, and it fails for me as well:
> 
> clang -c -O2 -pipe -fno-strict-aliasing  -std=c99 -g -Wall -Wredundant-decls -Wnested-externs -Wstrict-prototypes  -Wmissing-prototypes -Wpointer-arith -Winline -Wcast-qual  -Wundef -Wno-pointer-sign -fformat-extensions  -Wmissing-include-dirs -fdiagnostics-show-option  -Wno-error-tautological-compare -Wno-error-empty-body  -Wno-error-parentheses-equality  -nostdinc  -I. -I/usr/home/jeroen/freebsd/sys -I/usr/home/jeroen/freebsd/sys/contrib/altq -I/usr/home/jeroen/freebsd/sys/contrib/libfdt -D_KERNEL -DHAVE_KERNEL_OPTION_HEADERS -include opt_global.h  -fno-omit-frame-pointer -mno-aes -mno-avx -mcmodel=kernel -mno-red-zone -mno-mmx -mno-sse -msoft-float  -fno-asynchronous-unwind-tables -ffreestanding -fstack-protector -Werror  /usr/home/jeroen/freebsd/sys/kern/vfs_mountroot.c
> /usr/home/jeroen/freebsd/sys/kern/vfs_mountroot.c:270:2: error: expression result unused [-Werror,-Wunused-value]
>         VFS_ROOT(mporoot, LK_EXCLUSIVE, &vporoot);
>         ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
> /usr/home/jeroen/freebsd/sys/sys/mount.h:668:2: note: expanded from:
>         _rc; })
>         ^~~
> 1 error generated.
> *** Error code 1
> 
> Stop in /usr/obj/usr/home/jeroen/freebsd/sys/GENERIC.
> *** Error code 1

This doesn't seem to be related to the Xen support at all, and also you
are building the GENERIC kernel, not XENHVM. I guess it would be better
to move this thread to freebsd-current ML (if errors are not related to
Xen code).




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