* Package:    sys-fs/zfs-0.7.6
 * Repository: gentoo
 * Maintainer: ryao@gentoo.org fearedbliss@gentoo.org
 * USE:        abi_x86_64 amd64 elibc_glibc kernel_linux python_targets_python2_7 python_targets_python3_5 rootfs userland_GNU
 * FEATURES:   network-sandbox preserve-libs sandbox userpriv usersandbox
>>> Unpacking source...
>>> Unpacking zfs-0.7.6.tar.gz to /var/tmp/portage/sys-fs/zfs-0.7.6/work
>>> Source unpacked in /var/tmp/portage/sys-fs/zfs-0.7.6/work
>>> Preparing source in /var/tmp/portage/sys-fs/zfs-0.7.6/work/zfs-0.7.6 ...
 * Running elibtoolize in: zfs-0.7.6/
 *   Applying target-nm/2.4.2 patch ...
 *   Applying ppc64le/2.4.2 patch ...
 * Running elibtoolize in: zfs-0.7.6/config/
 *   Applying portage/2.2 patch ...
 *   Applying sed/1.5.6 patch ...
 *   Applying as-needed/2.2.6 patch ...
>>> Source prepared.
>>> Configuring source in /var/tmp/portage/sys-fs/zfs-0.7.6/work/zfs-0.7.6 ...
>>> Working in BUILD_DIR: "/var/tmp/portage/sys-fs/zfs-0.7.6/work/zfs-0.7.6"
 * econf: updating zfs-0.7.6/config/config.sub with /usr/share/gnuconfig/config.sub
 * econf: updating zfs-0.7.6/config/config.guess with /usr/share/gnuconfig/config.guess
/var/tmp/portage/sys-fs/zfs-0.7.6/work/zfs-0.7.6/configure --prefix=/usr --build=x86_64-pc-linux-gnu --host=x86_64-pc-linux-gnu --mandir=/usr/share/man --infodir=/usr/share/info --datadir=/usr/share --sysconfdir=/etc --localstatedir=/var/lib --disable-dependency-tracking --disable-silent-rules --libdir=/usr/lib64 --docdir=/usr/share/doc/zfs-0.7.6 --enable-shared --disable-static --bindir=/bin --sbindir=/sbin --with-config=user --with-dracutdir=/usr/lib64/dracut --with-linux= --with-linux-obj= --with-udevdir=/lib/udev --with-blkid --disable-debug
configure: WARNING: unrecognized options: --with-blkid
checking for gawk... gawk
checking metadata... META file
checking build system type... x86_64-pc-linux-gnu
checking host system type... x86_64-pc-linux-gnu
checking target system type... x86_64-pc-linux-gnu
checking whether to enable maintainer-specific portions of Makefiles... no
checking for a BSD-compatible install... /usr/lib/portage/python3.5/ebuild-helpers/xattr/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 a BSD-compatible install... /usr/lib/portage/python3.5/ebuild-helpers/xattr/install -c
checking for x86_64-pc-linux-gnu-gcc... x86_64-pc-linux-gnu-gcc
checking for C compiler default output file name... a.out
checking whether the C compiler works... yes
checking whether we are cross compiling... no
checking for suffix of executables... 
checking for suffix of object files... o
checking whether we are using the GNU C compiler... yes
checking whether x86_64-pc-linux-gnu-gcc accepts -g... yes
checking for x86_64-pc-linux-gnu-gcc option to accept ISO C89... none needed
checking for style of include used by make... GNU
checking dependency style of x86_64-pc-linux-gnu-gcc... none
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 x86_64-pc-linux-gnu-gcc... /usr/x86_64-pc-linux-gnu/bin/ld
checking if the linker (/usr/x86_64-pc-linux-gnu/bin/ld) is GNU ld... yes
checking for BSD- or MS-compatible name lister (nm)... /usr/bin/x86_64-pc-linux-gnu-nm -B
checking the name lister (/usr/bin/x86_64-pc-linux-gnu-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 for /usr/x86_64-pc-linux-gnu/bin/ld option to reload object files... -r
checking for x86_64-pc-linux-gnu-objdump... x86_64-pc-linux-gnu-objdump
checking how to recognize dependent libraries... pass_all
checking for x86_64-pc-linux-gnu-ar... x86_64-pc-linux-gnu-ar
checking for x86_64-pc-linux-gnu-strip... x86_64-pc-linux-gnu-strip
checking for x86_64-pc-linux-gnu-ranlib... x86_64-pc-linux-gnu-ranlib
checking command to parse /usr/bin/x86_64-pc-linux-gnu-nm -B output from x86_64-pc-linux-gnu-gcc object... ok
checking how to run the C preprocessor... x86_64-pc-linux-gnu-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 x86_64-pc-linux-gnu-gcc supports -fno-rtti -fno-exceptions... no
checking for x86_64-pc-linux-gnu-gcc option to produce PIC... -fPIC -DPIC
checking if x86_64-pc-linux-gnu-gcc PIC flag -fPIC -DPIC works... yes
checking if x86_64-pc-linux-gnu-gcc static flag -static works... yes
checking if x86_64-pc-linux-gnu-gcc supports -c -o file.o... yes
checking if x86_64-pc-linux-gnu-gcc supports -c -o file.o... (cached) yes
checking whether the x86_64-pc-linux-gnu-gcc linker (/usr/x86_64-pc-linux-gnu/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... no
checking dependency style of x86_64-pc-linux-gnu-gcc... none
checking whether x86_64-pc-linux-gnu-gcc and cc understand -c and -o together... yes
checking zfs author... OpenZFS on Linux
checking zfs license... CDDL
checking linux distribution... gentoo
checking default package type... tgz
checking default init directory... /etc/init.d
checking default init script type... openrc
checking default init config direectory... /etc/conf.d
checking whether initramfs-tools is available... no
checking whether rpm is available... no
checking whether rpmbuild is available... no
checking whether spec files are available... yes (rpm/generic/*.spec.in)
checking whether dpkg is available... no
checking whether dpkg-buildpackage is available... no
checking whether alien is available... no
checking zfs config... user
checking for -Wno-unused-but-set-variable support... yes
checking for -Wno-bool-compare support... yes
checking whether host toolchain supports SSE... yes
checking whether host toolchain supports SSE2... yes
checking whether host toolchain supports SSE3... yes
checking whether host toolchain supports SSSE3... yes
checking whether host toolchain supports SSE4.1... yes
checking whether host toolchain supports SSE4.2... yes
checking whether host toolchain supports AVX... yes
checking whether host toolchain supports AVX2... yes
checking whether host toolchain supports AVX512F... yes
checking whether host toolchain supports AVX512CD... yes
checking whether host toolchain supports AVX512DQ... yes
checking whether host toolchain supports AVX512BW... yes
checking whether host toolchain supports AVX512IFMA... yes
checking whether host toolchain supports AVX512VBMI... yes
checking whether host toolchain supports AVX512PF... yes
checking whether host toolchain supports AVX512ER... yes
checking whether host toolchain supports AVX512VL... yes
checking for target asm dir... asm-x86_64
checking for udev directories... /lib/udev;/lib/udev/rules.d
checking for dracut directory... /usr/lib64/dracut
checking zlib.h usability... yes
checking zlib.h presence... yes
checking for zlib.h... yes
checking for library containing compress2... -lz
checking for library containing uncompress... none required
checking for library containing crc32... none required
checking uuid/uuid.h usability... yes
checking uuid/uuid.h presence... yes
checking for uuid/uuid.h... yes
checking for library containing uuid_generate... -luuid
checking for library containing uuid_is_null... none required
checking for xdrmem_create in -ltirpc... yes
checking blkid/blkid.h usability... yes
checking blkid/blkid.h presence... yes
checking for blkid/blkid.h... yes
checking attr/xattr.h usability... no
checking attr/xattr.h presence... no
checking for attr/xattr.h... no
configure: error: in `/var/tmp/portage/sys-fs/zfs-0.7.6/work/zfs-0.7.6':
configure: error:
	*** attr/xattr.h missing, libattr-devel package required
See `config.log' for more details.

!!! Please attach the following file when seeking support:
!!! /var/tmp/portage/sys-fs/zfs-0.7.6/work/zfs-0.7.6/config.log
 * ERROR: sys-fs/zfs-0.7.6::gentoo failed (configure phase):
 *   econf failed
 * 
 * Call stack:
 *               ebuild.sh, line  124:  Called src_configure
 *             environment, line 4712:  Called autotools-utils_src_configure
 *             environment, line  927:  Called econf '--docdir=/usr/share/doc/zfs-0.7.6' '--enable-shared' '--disable-static' '--bindir=/bin' '--sbindir=/sbin' '--with-config=user' '--with-dracutdir=/usr/lib64/dracut' '--with-linux=' '--with-linux-obj=' '--with-udevdir=/lib/udev' '--with-blkid' '--disable-debug'
 *        phase-helpers.sh, line  666:  Called __helpers_die 'econf failed'
 *   isolated-functions.sh, line  117:  Called die
 * The specific snippet of code:
 *   		die "$@"
 * 
 * If you need support, post the output of `emerge --info '=sys-fs/zfs-0.7.6::gentoo'`,
 * the complete build log and the output of `emerge -pqv '=sys-fs/zfs-0.7.6::gentoo'`.
 * The complete build log is located at '/var/log/portage/sys-fs:zfs-0.7.6:20180226-014422.log'.
 * For convenience, a symlink to the build log is located at '/var/tmp/portage/sys-fs/zfs-0.7.6/temp/build.log'.
 * The ebuild environment file is located at '/var/tmp/portage/sys-fs/zfs-0.7.6/temp/environment'.
 * Working directory: '/var/tmp/portage/sys-fs/zfs-0.7.6/work/zfs-0.7.6'
 * S: '/var/tmp/portage/sys-fs/zfs-0.7.6/work/zfs-0.7.6'