dkms ZFS error under Linux 4.4.2 and Debian

Kernel preparation unnecessary for this kernel.  Skipping...

Running the pre_build script:
checking for gawk... gawk
checking metadata... META file
checking build system type... x86_64-unknown-linux-gnu
checking host system type... x86_64-unknown-linux-gnu
checking target system type... x86_64-unknown-linux-gnu
checking whether to enable maintainer-specific portions of Makefiles... no
checking whether make supports nested variables... yes
checking for a BSD-compatible install... /usr/bin/install -c
checking whether build environment is sane... yes
checking for a thread-safe mkdir -p... /bin/mkdir -p
checking whether make sets $(MAKE)... yes
checking for gcc... gcc
checking whether the C compiler works... yes
checking for C compiler default output file name... a.out
checking for suffix of executables... 
checking whether we are cross compiling... no
checking for suffix of object files... o
checking whether we are using the GNU C compiler... yes
checking whether gcc accepts -g... yes
checking for gcc option to accept ISO C89... none needed
checking for style of include used by make... GNU
checking dependency style of gcc... gcc3
checking how to print strings... printf
checking for a sed that does not truncate output... /bin/sed
checking for grep that handles long lines and -e... /bin/grep
checking for egrep... /bin/grep -E
checking for fgrep... /bin/grep -F
checking for ld used by gcc... /usr/bin/ld
checking if the linker (/usr/bin/ld) is GNU ld... yes
checking for BSD- or MS-compatible name lister (nm)... /usr/bin/nm -B
checking the name lister (/usr/bin/nm -B) interface... BSD nm
checking whether ln -s works... yes
checking the maximum length of command line arguments... 1572864
checking whether the shell understands some XSI constructs... yes
checking whether the shell understands "+="... yes
checking how to convert x86_64-unknown-linux-gnu file names to x86_64-unknown-linux-gnu format... func_convert_file_noop
checking how to convert x86_64-unknown-linux-gnu file names to toolchain format... func_convert_file_noop
checking for /usr/bin/ld option to reload object files... -r
checking for objdump... objdump
checking how to recognize dependent libraries... pass_all
checking for dlltool... no
checking how to associate runtime and link libraries... printf %s\n
checking for ar... ar
checking for archiver @FILE support... @
checking for strip... strip
checking for ranlib... ranlib
checking command to parse /usr/bin/nm -B output from gcc object... ok
checking for sysroot... no
checking for mt... mt
checking if mt is a manifest tool... no
checking how to run the C preprocessor... gcc -E
checking for ANSI C header files... yes
checking for sys/types.h... yes
checking for sys/stat.h... yes
checking for stdlib.h... yes
checking for string.h... yes
checking for memory.h... yes
checking for strings.h... yes
checking for inttypes.h... yes
checking for stdint.h... yes
checking for unistd.h... yes
checking for dlfcn.h... yes
checking for objdir... .libs
checking if gcc supports -fno-rtti -fno-exceptions... no
checking for gcc option to produce PIC... -fPIC -DPIC
checking if gcc PIC flag -fPIC -DPIC works... yes
checking if gcc static flag -static works... yes
checking if gcc supports -c -o file.o... yes
checking if gcc supports -c -o file.o... (cached) yes
checking whether the gcc linker (/usr/bin/ld -m elf_x86_64) supports shared libraries... yes
checking whether -lc should be explicitly linked in... no
checking dynamic linker characteristics... GNU/Linux ld.so
checking how to hardcode library paths into programs... immediate
checking whether stripping libraries is possible... yes
checking if libtool supports shared libraries... yes
checking whether to build shared libraries... yes
checking whether to build static libraries... yes
checking dependency style of gcc... gcc3
checking zfs author... OpenZFS on Linux
checking zfs license... CDDL
checking linux distribution... debian
checking default package type... deb
checking default init directory... ${prefix}/etc/init.d
checking default init script type... lsb
checking default init config direectory... /etc/default
checking whether initramfs-tools is available... yes
checking whether dracut is available... no
checking whether rpm is available... yes (4.12.0.1)
checking whether rpmbuild is available... yes (4.12.0.1)
checking whether spec files are available... yes (rpm/generic/*.spec.in)
checking whether dpkg is available... yes (1.18.4)
checking whether dpkg-buildpackage is available... yes (1.18.4.)
checking whether alien is available... yes (8.95)
checking zfs config... kernel
checking for -Wno-unused-but-set-variable support... yes
checking for -Wno-bool-compare support... yes
checking kernel source directory... /lib/modules/4.4.2-custom/./source
checking kernel build directory... /lib/modules/4.4.2-custom/build
checking kernel source version... 4.4.2-custom
checking kernel file name for module symbols... Module.symvers
checking spl source directory... /usr/src/spl-0.6.5
checking spl build directory... /var/lib/dkms/spl/0.6.5/4.4.2-custom/x86_64
checking spl source version... 0.6.5-1-wheezy
checking spl file name for module symbols... Module.symvers
checking whether modules can be built... yes
checking whether Linux was built with CONFIG_DEBUG_LOCK_ALLOC... no
checking whether DECLARE_EVENT_CLASS() is available... no
checking whether current->bio_tail exists... no
checking whether current->bio_list exists... yes
checking block device operation prototypes... struct block_device
checking whether block_device_operations.release is void... void
checking whether kernel defines fmode_t... yes
checking whether kernel defines KOBJ_NAME_LEN... no
checking whether blkdev_get() wants 3 args... yes
checking whether blkdev_get_by_path() is available... yes
checking whether open_bdev_exclusive() is available... no
checking whether lookup_bdev() is available... yes
checking whether invalidate_bdev() wants 1 arg... yes
checking whether bdev_logical_block_size() is available... yes
checking whether bdev_physical_block_size() is available... yes
checking whether bio has bi_iter... yes
checking whether BIO_RW_FAILFAST_* are defined... no
checking whether REQ_FAILFAST_MASK is defined... yes
checking whether bio_end_io_t wants 1 arg... yes
checking whether BIO_RW_BARRIER is defined... no
checking whether BIO_RW_DISCARD is defined... no
checking whether blk_queue_flush() is available... yes
checking whether blk_queue_flush() is GPL-only... yes
checking whether blk_queue_max_hw_sectors() is available... yes
checking whether blk_queue_max_segments() is available... yes
checking whether get_disk_ro() is available... yes
checking whether get_gendisk() is available... yes
checking whether ql->discard_granularity is available... yes
checking whether super_block uses const struct xattr_hander... yes
checking whether xattr_handler->get() wants dentry... no
checking whether xattr_handler->set() wants dentry... no
checking whether xattr_handler->list() wants dentry... no
checking whether inode_owner_or_capable() exists... yes
checking whether posix_acl_from_xattr() needs user_ns... yes
checking whether posix_acl_release() is available... yes
checking whether posix_acl_release() is GPL-only... yes
checking whether posix_acl_chmod exists... no
checking whether __posix_acl_chmod exists... yes
checking whether inode has i_acl and i_default_acl... yes
checking whether posix_acl_equiv_mode() wants umode_t... yes
checking whether iops->permission() exists... yes
checking whether iops->permission() wants nameidata... no
checking whether iops->check_acl() exists... no
checking whether iops->check_acl() wants flags... no
checking whether iops->get_acl() exists... yes
checking whether current_umask exists... yes
checking whether sops->show_options() wants dentry... yes
checking whether file_inode() is available... yes
checking whether fops->fsync() wants... range
checking whether sops->evict_inode() exists... yes
checking whether sops->dirty_inode() wants flags... yes
checking whether sops->nr_cached_objects() exists... no
checking whether sops->free_cached_objects() exists... no
checking whether fops->fallocate() exists... yes
checking whether iops->fallocate() exists... no
checking whether iops->create()/mkdir()/mknod() take umode_t... yes
checking whether iops->lookup() passes nameidata... no
checking whether iops->create() passes nameidata... no
checking whether iops->follow_link() passes nameidata... no
checking whether iops->put_link() passes nameidata... no
checking whether iops->truncate_range() exists... no
checking whether dops->d_automount() exists... yes
checking whether eops->encode_fh() wants inode... yes
checking whether eops->commit_metadata() exists... yes
checking whether clear_inode() is available... yes
checking whether insert_inode_locked() is available... yes
checking whether d_make_root() is available... yes
checking whether d_obtain_alias() is available... yes
checking whether d_prune_aliases() is available... yes
checking whether d_set_d_op() is available... yes
checking whether dops->d_revalidate() takes struct nameidata... no
checking whether dentry uses const struct dentry_operations... yes
checking whether check_disk_size_change() is available... yes
checking whether truncate_setsize() is available... yes
checking whether security_inode_init_security wants 6 args... no
checking whether security_inode_init_security wants callback... yes
checking whether mount_nodev() is available... yes
checking whether super_block has s_shrink... no
checking whether shrink_control has nid... yes
checking whether super_block has s_instances list_head... no
checking whether super_block has s_d_op... yes
checking whether bdi_setup_and_register() wants 2 args... yes
checking whether set_nlink() is available... yes
checking whether elevator_change() is available... yes
checking whether sget() wants 5 args... yes
checking whether lseek_execute() is available... no
checking whether fops->iterate() is available... yes
checking whether fops->read/write_iter() are available... yes
checking whether kmap_atomic wants 1 args... yes
checking whether follow_down_one() is available... yes
checking whether make_request_fn() returns int... no
checking whether make_request_fn() returns void... configure: error: no - Please file a bug report at
			    https://github.com/zfsonlinux/zfs/issues/new

Building module:
cleaning build area....(bad exit status: 2)
make KERNELRELEASE=4.4.2-custom....(bad exit status: 2)
Error! Bad return status for module build on kernel: 4.4.2-custom (x86_64)
Consult /var/lib/dkms/zfs/0.6.5.2/build/make.log for more information.