* Package:    sys-apps/iproute2-4.15.0
 * Repository: gentoo
 * Maintainer: base-system@gentoo.org
 * USE:        abi_x86_64 amd64 berkdb elibc_glibc iptables ipv6 kernel_linux userland_GNU
 * FEATURES:   network-sandbox preserve-libs sandbox userpriv usersandbox
>>> Unpacking source...
>>> Unpacking iproute2-4.15.0.tar.xz to /var/tmp/portage/sys-apps/iproute2-4.15.0/work
>>> Source unpacked in /var/tmp/portage/sys-apps/iproute2-4.15.0/work
>>> Preparing source in /var/tmp/portage/sys-apps/iproute2-4.15.0/work/iproute2-4.15.0 ...
 * Applying iproute2-3.1.0-mtu.patch ...
 [ ok ]
 * Applying iproute2-4.14.1-configure-nomagic.patch ...
 [ ok ]
>>> Source prepared.
>>> Configuring source in /var/tmp/portage/sys-apps/iproute2-4.15.0/work/iproute2-4.15.0 ...
./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 --libdir=/usr/lib64
TC schedulers
 ATM	no
 IPT	using xtables
 IPSET  yes

iptables modules directory: /usr/lib64/xtables
libc has setns: yes
SELinux support: no
ELF support: yes
libmnl support: yes
Berkeley DB: yes
need for strlcpy: yes

docs: latex: no
 WARNING: no docs can be built from LaTeX files
 sgml2html: no
 WARNING: no HTML docs can be built from SGML

 * ERROR: sys-apps/iproute2-4.15.0::gentoo failed (configure phase):
 *   USE Flag 'elf' not in IUSE for sys-apps/iproute2-4.15.0
 * 
 * Call stack:
 *          ebuild.sh, line  124:  Called src_configure
 *        environment, line 2260:  Called usex 'elf' 'y' 'n'
 *   phase-helpers.sh, line  162:  Called use 'elf'
 *   phase-helpers.sh, line  200:  Called die
 * The specific snippet of code:
 *   				die "USE Flag '${u}' not in IUSE for ${CATEGORY}/${PF}"
 * 
 * If you need support, post the output of `emerge --info '=sys-apps/iproute2-4.15.0::gentoo'`,
 * the complete build log and the output of `emerge -pqv '=sys-apps/iproute2-4.15.0::gentoo'`.
 * The complete build log is located at '/var/log/portage/sys-apps:iproute2-4.15.0:20180201-234903.log'.
 * For convenience, a symlink to the build log is located at '/var/tmp/portage/sys-apps/iproute2-4.15.0/temp/build.log'.
 * The ebuild environment file is located at '/var/tmp/portage/sys-apps/iproute2-4.15.0/temp/environment'.
 * Working directory: '/var/tmp/portage/sys-apps/iproute2-4.15.0/work/iproute2-4.15.0'
 * S: '/var/tmp/portage/sys-apps/iproute2-4.15.0/work/iproute2-4.15.0'