emerge --info:
Portage 2.3.40 (python 3.5.5-final-0, default/linux/amd64/17.0/desktop/plasma, gcc-7.3.0, glibc-2.26-r7, 4.14.52-gentoo x86_64)
=================================================================
System uname: Linux-4.14.52-gentoo-x86_64-Intel-R-_Core-TM-_i5-5257U_CPU_@_2.70GHz-with-gentoo-2.4.1
KiB Mem:     8066096 total,   3324072 free
KiB Swap:   20479996 total,  20479996 free
Timestamp of repository gentoo: Sat, 04 Aug 2018 11:00:01 +0000
Head commit of repository gentoo: 370ef86bb38cdd15b79ae57f67d42a46d2e73768
sh bash 4.4_p12
ld GNU ld (Gentoo 2.30 p2) 2.30.0
distcc 3.2rc1 x86_64-pc-linux-gnu [disabled]
app-shells/bash:          4.4_p12::gentoo
dev-java/java-config:     2.2.0-r4::gentoo
dev-lang/perl:            5.24.3-r1::gentoo
dev-lang/python:          2.7.14-r1::gentoo, 3.5.5::gentoo
dev-util/cmake:           3.9.6::gentoo
dev-util/pkgconfig:       0.29.2::gentoo
sys-apps/baselayout:      2.4.1-r2::gentoo
sys-apps/openrc:          0.34.11::gentoo
sys-apps/sandbox:         2.13::gentoo
sys-devel/autoconf:       2.13::gentoo, 2.69-r4::gentoo
sys-devel/automake:       1.11.6-r3::gentoo, 1.15.1-r2::gentoo
sys-devel/binutils:       2.30-r2::gentoo
sys-devel/gcc:            7.3.0-r3::gentoo
sys-devel/gcc-config:     1.8-r1::gentoo
sys-devel/libtool:        2.4.6-r3::gentoo
sys-devel/make:           4.2.1::gentoo
sys-kernel/linux-headers: 4.13::gentoo (virtual/os-headers)
sys-libs/glibc:           2.26-r7::gentoo
Repositories:

gentoo
    location: /usr/portage
    sync-type: rsync
    sync-uri: rsync://rsync.gentoo.org/gentoo-portage
    priority: -1000
    sync-rsync-extra-opts: 
    sync-rsync-verify-max-age: 24
    sync-rsync-verify-metamanifest: yes
    sync-rsync-verify-jobs: 1

ACCEPT_KEYWORDS="amd64"
ACCEPT_LICENSE="* -@EULA"
CBUILD="x86_64-pc-linux-gnu"
CFLAGS="-march=broadwell -O2 -pipe"
CHOST="x86_64-pc-linux-gnu"
CONFIG_PROTECT="/etc /usr/lib64/libreoffice/program/sofficerc /usr/share/config /usr/share/gnupg/qualified.txt"
CONFIG_PROTECT_MASK="/etc/ca-certificates.conf /etc/dconf /etc/env.d /etc/fonts/fonts.conf /etc/gconf /etc/gentoo-release /etc/php/apache2-php7.1/ext-active/ /etc/php/cgi-php7.1/ext-active/ /etc/php/cli-php7.1/ext-active/ /etc/revdep-rebuild /etc/sandbox.d /etc/terminfo /etc/texmf/language.dat.d /etc/texmf/language.def.d /etc/texmf/updmap.d /etc/texmf/web2c"
CXXFLAGS="-O2 -pipe"
DISTDIR="/usr/portage/distfiles"
ENV_UNSET="DBUS_SESSION_BUS_ADDRESS DISPLAY PERL5LIB PERL5OPT PERLPREFIX PERL_CORE PERL_MB_OPT PERL_MM_OPT XAUTHORITY XDG_CACHE_HOME XDG_CONFIG_HOME XDG_DATA_HOME XDG_RUNTIME_DIR"
FCFLAGS="-O2 -pipe"
FEATURES="assume-digests binpkg-logs config-protect-if-modified distlocks ebuild-locks fixlafiles merge-sync multilib-strict news parallel-fetch preserve-libs protect-owned sandbox sfperms strict unknown-features-warn unmerge-logs unmerge-orphans userfetch userpriv usersandbox usersync xattr"
FFLAGS="-O2 -pipe"
GENTOO_MIRRORS="rsync://mirror.leaseweb.com/gentoo/ http://mirror.leaseweb.com/gentoo/ ftp://mirror.leaseweb.com/gentoo/ ftp://ftp.snt.utwente.nl/pub/os/linux/gentoo rsync://ftp.snt.utwente.nl/gentoo http://ftp.snt.utwente.nl/pub/os/linux/gentoo"
LANG="nl_NL.utf8"
LDFLAGS="-Wl,-O1 -Wl,--as-needed"
LINGUAS="nl en_GB"
MAKEOPTS="-j5"
PKGDIR="/usr/portage/packages"
PORTAGE_CONFIGROOT="/"
PORTAGE_RSYNC_OPTS="--recursive --links --safe-links --perms --times --omit-dir-times --compress --force --whole-file --delete --stats --human-readable --timeout=180 --exclude=/distfiles --exclude=/local --exclude=/packages --exclude=/.git"
PORTAGE_TMPDIR="/var/tmp"
USE="X a52 aac acl acpi activities aes afp alsa amd64 apache2 avahi avx avx2 berkdb bluetooth branding bzip2 cairo cdda cdr cifs clamav cleartype cli consolekit corefonts cpudetection crypt cups cxx dbus declarative doc dri dts dvd dvdr emboss encode exif f16c fam ffmpeg flac fma3 fontconfig fortran gd gdbm geoip gif glamor gnome-keyring googledrive gpm gtk iconv ipv6 jack java jpeg jpeg2k kde kipi kwallet lcms libnotify libtirpc mad mmx mmxext mng modules mp3 mp4 mpeg mtp multilib mysql mysqli ncurses networkmanager nls nptl ogg opengl openmp openssl pam pango pclmul pcre pdf perl phonon plasma png policykit popcnt ppds pulseaudio python qml qt5 rar readline samba savedconfig sdl seccomp semantic-desktop sftp slang spell sse sse2 sse3 sse4_1 sse4_2 ssh ssl ssse3 startup-notification svg tcpd theora tiff truetype twolame type1 udev udisks unicode upower usb vorbis wavpack widgets wxwidgets x264 xattr xcb xcomposite xml xv xvid zeroconf zip zlib" ABI_X86="64" ALSA_CARDS="intel" APACHE2_MODULES="authn_core authz_core socache_shmcb unixd actions alias auth_basic authn_alias authn_anon authn_dbm authn_default authn_file authz_dbm authz_default authz_groupfile authz_host authz_owner authz_user autoindex cache cgi cgid dav dav_fs dav_lock deflate dir disk_cache env expires ext_filter file_cache filter headers include info log_config logio mem_cache mime mime_magic negotiation rewrite setenvif speling status unique_id userdir usertrack vhost_alias" CALLIGRA_FEATURES="karbon plan sheets stage words" COLLECTD_PLUGINS="df interface irq load memory rrdtool swap syslog" CPU_FLAGS_X86="aes avx avx2 f16c fma3 mmx mmxext pclmul popcnt sse sse2 sse3 sse4_1 sse4_2 ssse3" ELIBC="glibc" GPSD_PROTOCOLS="ashtech aivdm earthmate evermore fv18 garmin garmintxt gpsclock isync itrax mtk3301 nmea ntrip navcom oceanserver oldstyle oncore rtcm104v2 rtcm104v3 sirf skytraq superstar2 timing tsip tripmate tnt ublox ubx" GRUB_PLATFORMS="efi-64" INPUT_DEVICES="evdev keyboard synaptics" KERNEL="linux" L10N="nl en_GB" LCD_DEVICES="bayrad cfontz cfontz633 glk hd44780 lb216 lcdm001 mtxorb ncurses text" LIBREOFFICE_EXTENSIONS="presenter-console presenter-minimizer" OFFICE_IMPLEMENTATION="libreoffice" PHP_TARGETS="php5-6 php7-0" POSTGRES_TARGETS="postgres9_5 postgres10" PYTHON_SINGLE_TARGET="python3_5" PYTHON_TARGETS="python2_7 python3_5" RUBY_TARGETS="ruby23" USERLAND="GNU" VIDEO_CARDS="i915" XFCE_PLUGINS="brightness clock trash" XTABLES_ADDONS="quota2 psd pknock lscan length2 ipv4options ipset ipp2p iface geoip fuzzy condition tee tarpit sysrq steal rawnat logmark ipmark dhcpmac delude chaos account"
Unset:  CC, CPPFLAGS, CTARGET, CXX, EMERGE_DEFAULT_OPTS, INSTALL_MASK, LC_ALL, PORTAGE_BINHOST, PORTAGE_BUNZIP2_COMMAND, PORTAGE_COMPRESS, PORTAGE_COMPRESS_FLAGS, PORTAGE_RSYNC_EXTRA_OPTS