buildkernel: #error "On SMP systems we should have proper atomic operations."

[Ian Lepore]

On Thu, 2014-04-24 at 16:38 -0400, Glen Barber wrote:
> On Thu, Apr 24, 2014 at 02:34:58PM -0600, Ian Lepore wrote:
> > On Thu, 2014-04-24 at 10:30 +0400, Boris Samorodov wrote:
> > > Hi All,
> > > 
> > > I try to compile a kernel at WANDBOARD-QUAD and get the error:
> > > -----
> > > ===> fuse (depend)
> > > [...]
> > > CC='cc ' mkdep -f .depend -a   -nostdinc -D_KERNEL -DKLD_MODULE
> > > -DHAVE_KERNEL_OPTION_HEADERS -I. -I@ -I@/contrib/altq
> > > -I/usr/obj/arm.arm/usr/src/sys/IMX6 -std=iso9899:1999   /usr/src/sys/mod
> > > ules/fuse/../../fs/fuse/fuse_node.c
> > > /usr/src/sys/modules/fuse/../../fs/fuse/fuse_io.c
> > > /usr/src/sys/modules/fuse/../../fs/fuse/fuse_device.c
> > > /usr/src/sys/modules/fuse/../../fs/fuse/fuse_ipc.c
> > >  /usr/src/sys/modules/fuse/../../fs/fuse/fuse_file.c
> > > /usr/src/sys/modules/fuse/../../fs/fuse/fuse_vfsops.c
> > > /usr/src/sys/modules/fuse/../../fs/fuse/fuse_vnops.c
> > > /usr/src/sys/modules/fuse/../.
> > > ./fs/fuse/fuse_internal.c
> > > /usr/src/sys/modules/fuse/../../fs/fuse/fuse_main.c
> > > --- .depend ---
> > > /usr/src/sys/arm/arm/stdatomic.c:120:2: error: "On SMP systems we should
> > > have proper atomic operations."
> > > #error "On SMP systems we should have proper atomic operations."
> > >  ^
> > > 1 error generated.
> > > -----
> > > 
> > > The system:
> > > -----
> > > % uname -a
> > > FreeBSD wandboard 11.0-CURRENT FreeBSD 11.0-CURRENT #3 r264681: Sun Apr
> > > 20 02:39:12 SAMT 2014
> > > root at bb052.bsnet:/home/bsam/crochet-freebsd-master/work/obj/arm.armv6/usr/src/sys/IMX6
> > >  arm
> > > 
> > > % svnlite info /usr/src
> > > Path: /usr/src
> > > Working Copy Root Path: /usr/src
> > > URL: https://svn0.us-west.freebsd.org/base/head
> > > Relative URL: ^/head
> > > Repository Root: https://svn0.us-west.freebsd.org/base
> > > Repository UUID: ccf9f872-aa2e-dd11-9fc8-001c23d0bc1f
> > > Revision: 264824
> > > Node Kind: directory
> > > Schedule: normal
> > > Last Changed Author: ed
> > > Last Changed Rev: 264823
> > > Last Changed Date: 2014-04-23 18:05:28 +0400 (ср, 23 апр 2014)
> > > -----
> > > 
> > > -- 
> > > WBR, Boris Samorodov (bsam)
> > > FreeBSD Committer, http://www.FreeBSD.org The Power To Serve
> > 
> > Hmmm, for a wandboard you shouldn't get to line 120, it's for armv5.  Oh
> > wait, you must have typo'd the TARGET= as arm instead of armv6, because:
> > 
> >   -I/usr/obj/arm.arm/usr/src/sys/IMX6 -std=iso9899:1999 /usr/src/sys/mod
> > 
> > that should be obj/arm.armv6/ in that path.
> > 
> 
> I think TARGET=arm TARGET_ARCH=armv6 is the correct environment, not
> TARGET=armv6.
> 
> Or did something change (again!)?
> 
> Glen
> 

Nope, my bad, it should be TARGET_ARCH=armv6 (and no need to also
specify TARGET= at all).

I'm just demonstrating once again that "multitasking" is shorthand for
"screwing up multiple things at once."

-- Ian