* Package:    app-misc/tmate-2.2.1
 * Repository: gentoo
 * Maintainer: dlan@gentoo.org
 * USE:        abi_x86_64 amd64 elibc_glibc kernel_linux userland_GNU
 * FEATURES:   preserve-libs sandbox userpriv usersandbox
>>> Unpacking source...
>>> Unpacking tmate-2.2.1.tar.gz to /var/tmp/portage/app-misc/tmate-2.2.1/work
>>> Source unpacked in /var/tmp/portage/app-misc/tmate-2.2.1/work
>>> Preparing source in /var/tmp/portage/app-misc/tmate-2.2.1/work/tmate-2.2.1 ...
 * Running eautoreconf in '/var/tmp/portage/app-misc/tmate-2.2.1/work/tmate-2.2.1' ...
 * Running aclocal ...
 [ ok ]
 * Running autoconf --force ...
 [ ok ]
 * Running automake --add-missing --copy --foreign --force-missing ...
 [ ok ]
 * Running elibtoolize in: tmate-2.2.1/
>>> Source prepared.
>>> Configuring source in /var/tmp/portage/app-misc/tmate-2.2.1/work/tmate-2.2.1 ...
>>> Working in BUILD_DIR: "/var/tmp/portage/app-misc/tmate-2.2.1/work/tmate-2.2.1_build"
 * econf: updating tmate-2.2.1/etc/config.sub with /usr/share/gnuconfig/config.sub
 * econf: updating tmate-2.2.1/etc/config.guess with /usr/share/gnuconfig/config.guess
/var/tmp/portage/app-misc/tmate-2.2.1/work/tmate-2.2.1/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/tmate-2.2.1 --enable-shared --disable-static --disable-debug
configure: WARNING: unrecognized options: --enable-shared
checking for a BSD-compatible install... /usr/lib/portage/python3.4/ebuild-helpers/xattr/install -c
checking whether build environment is sane... yes
checking for a thread-safe mkdir -p... /bin/mkdir -p
checking for gawk... gawk
checking whether make sets $(MAKE)... yes
checking whether make supports nested variables... yes
checking build system type... x86_64-pc-linux-gnu
checking host system type... x86_64-pc-linux-gnu
checking for x86_64-pc-linux-gnu-gcc... x86_64-pc-linux-gnu-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 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 whether x86_64-pc-linux-gnu-gcc understands -c and -o together... yes
checking for style of include used by make... GNU
checking dependency style of x86_64-pc-linux-gnu-gcc... none
checking how to run the C preprocessor... x86_64-pc-linux-gnu-gcc -E
checking for grep that handles long lines and -e... /bin/grep
checking for egrep... /bin/grep -E
checking for x86_64-pc-linux-gnu-pkg-config... /usr/bin/x86_64-pc-linux-gnu-pkg-config
checking pkg-config is at least version 0.9.0... yes
checking for glibc... yes
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 bitstring.h usability... no
checking bitstring.h presence... no
checking for bitstring.h... no
checking curses.h usability... yes
checking curses.h presence... yes
checking for curses.h... yes
checking dirent.h usability... yes
checking dirent.h presence... yes
checking for dirent.h... yes
checking fcntl.h usability... yes
checking fcntl.h presence... yes
checking for fcntl.h... yes
checking for inttypes.h... (cached) yes
checking libutil.h usability... no
checking libutil.h presence... no
checking for libutil.h... no
checking ncurses.h usability... yes
checking ncurses.h presence... yes
checking for ncurses.h... yes
checking ndir.h usability... no
checking ndir.h presence... no
checking for ndir.h... no
checking paths.h usability... yes
checking paths.h presence... yes
checking for paths.h... yes
checking pty.h usability... yes
checking pty.h presence... yes
checking for pty.h... yes
checking for stdint.h... (cached) yes
checking sys/dir.h usability... yes
checking sys/dir.h presence... yes
checking for sys/dir.h... yes
checking sys/ndir.h usability... no
checking sys/ndir.h presence... no
checking for sys/ndir.h... no
checking sys/tree.h usability... no
checking sys/tree.h presence... no
checking for sys/tree.h... no
checking term.h usability... yes
checking term.h presence... yes
checking for term.h... yes
checking util.h usability... no
checking util.h presence... no
checking for util.h... no
checking for library containing flock... none required
checking for dirfd... yes
checking for flock... yes
checking for setproctitle... no
checking for sysconf... yes
checking for cfmakeraw... yes
checking for library containing clock_gettime... none required
checking for LIBEVENT... yes
checking for LIBNCURSES... yes
checking utempter.h usability... yes
checking utempter.h presence... yes
checking for utempter.h... yes
checking for library containing utempter_add_record... -lutempter
checking for MSGPACK... no
configure: error: "msgpack >= 1.1.0 not found"

!!! Please attach the following file when seeking support:
!!! /var/tmp/portage/app-misc/tmate-2.2.1/work/tmate-2.2.1_build/config.log
 * ERROR: app-misc/tmate-2.2.1::gentoo failed (configure phase):
 *   econf failed
 * 
 * Call stack:
 *               ebuild.sh, line  115:  Called src_configure
 *             environment, line 2844:  Called autotools-utils_src_configure
 *             environment, line  594:  Called econf '--docdir=/usr/share/doc/tmate-2.2.1' '--enable-shared' '--disable-static' '--disable-debug'
 *        phase-helpers.sh, line  662:  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 '=app-misc/tmate-2.2.1::gentoo'`,
 * the complete build log and the output of `emerge -pqv '=app-misc/tmate-2.2.1::gentoo'`.
 * The complete build log is located at '/var/log/portage/app-misc:tmate-2.2.1:20160827-105902.log'.
 * For convenience, a symlink to the build log is located at '/var/tmp/portage/app-misc/tmate-2.2.1/temp/build.log'.
 * The ebuild environment file is located at '/var/tmp/portage/app-misc/tmate-2.2.1/temp/environment'.
 * Working directory: '/var/tmp/portage/app-misc/tmate-2.2.1/work/tmate-2.2.1_build'
 * S: '/var/tmp/portage/app-misc/tmate-2.2.1/work/tmate-2.2.1'