zfs-fuse version 0.6.9-1build1 failed to build on armel

zfs-fuse version 0.6.9-1build1 failed to build on armel
Link to failed build: https://launchpad.net/ubuntu/+source/zfs-fuse/0.6.9-1build1/+build/2508972

Direct link to the build log: https://launchpad.net/ubuntu/+source/zfs-fuse/0.6.9-1build1/+build/2508972/+files/buildlog_ubuntu-oneiric-armel.zfs-fuse_0.6.9-1build1_FAILEDTOBUILD.txt.gz

This log snippet might be of interest, since it triggered the matcher 'Purging chroot-autobuild'.
Excerpt 564 lines into the build log:

                 from cmd/stat/common/timestamp.c:26:
lib/libsolcompat/include/sys/isa_defs.h:544:2: error: #error "ISA not supported"
In file included from /usr/include/sys/types.h:223:0,
                 from lib/libsolcompat/include/sys/types.h:32,
                 from /usr/include/stdlib.h:320,
                 from lib/libsolcompat/include/sys/time.h:33,
                 from cmd/stat/common/statcommon.h:38,
                 from cmd/stat/common/timestamp.c:26:
lib/libsolcompat/include/sys/sysmacros.h:364:2: error: #error One of _BIT_FIELDS_LTOH or _BIT_FIELDS_HTOL must be defined
scons: *** [cmd/stat/common/timestamp.o] Error 1
scons: building terminated because of errors.
make[1]: *** [override_dh_auto_build] Error 2
make[1]: Leaving directory `/build/buildd/zfs-fuse-0.6.9'
make: *** [build] Error 2
dpkg-buildpackage: error: debian/rules build gave error exit status 2
******************************************************************************
Build finished at 20110519-0039
FAILED [dpkg-buildpackage died]
Purging chroot-autobuild/build/buildd/zfs-fuse-0.6.9