These are the packages that would be merged, in order:

Calculating dependencies  ... done!
[ebuild  N     ] dev-libs/libusb-1.0.22:1::gentoo  USE="udev -debug -doc -examples (-static-libs) -test" ABI_X86="(64) -32 (-x32)" 0 KiB
[ebuild  N     ] virtual/libusb-1-r2:1::gentoo  USE="udev" ABI_X86="(64) -32 (-x32)" 0 KiB
[ebuild  N     ] dev-libs/gobject-introspection-common-1.56.1::gentoo  0 KiB
[ebuild  N     ] dev-libs/vala-common-0.36.15::gentoo  0 KiB
[ebuild  N     ] app-arch/rpm2targz-9.0.0.5g::gentoo  0 KiB
[ebuild  N     ] media-fonts/urw-fonts-2.4.9::gentoo  USE="-X" 0 KiB
[ebuild  N     ] media-libs/libpng-1.6.35-r1:0/16::gentoo  USE="apng (-neon) -static-libs" ABI_X86="(64) -32 (-x32)" CPU_FLAGS_X86="sse" 0 KiB
[ebuild  N     ] media-libs/jbig2dec-0.14::gentoo  USE="png -static-libs -test" 0 KiB
[ebuild  N     ] net-dns/libidn-1.35:0/12::gentoo  USE="nls -doc -emacs -java -mono -static-libs" ABI_X86="(64) -32 (-x32)" 0 KiB
[ebuild  N     ] x11-themes/hicolor-icon-theme-0.17::gentoo  0 KiB
[ebuild  N     ] app-eselect/eselect-opengl-1.3.1-r4::gentoo  0 KiB
[ebuild  N     ] dev-libs/libbsd-0.9.1::gentoo  USE="-static-libs" ABI_X86="(64) -32 (-x32)" 0 KiB
[ebuild  N     ] app-crypt/rhash-1.3.6-r1::gentoo  USE="nls ssl -debug -libressl -static-libs" ABI_X86="(64) -32 (-x32)" 0 KiB
[ebuild  N     ] dev-util/glib-utils-2.56.2::gentoo  PYTHON_SINGLE_TARGET="python3_6 -python3_5 -python3_7" PYTHON_TARGETS="python3_6 -python3_5 -python3_7" 0 KiB
[ebuild  N     ] dev-util/ninja-1.8.2-r1::gentoo  USE="-doc -emacs -test -vim-syntax -zsh-completion" 0 KiB
[ebuild  NS    ] app-text/docbook-xml-dtd-4.2-r2:4.2::gentoo [4.1.2-r6:4.1.2::gentoo] 0 KiB
[ebuild  NS    ] app-text/docbook-xml-dtd-4.5-r1:4.5::gentoo [4.1.2-r6:4.1.2::gentoo] 0 KiB
[ebuild  NS    ] app-text/docbook-xml-dtd-4.4-r2:4.4::gentoo [4.1.2-r6:4.1.2::gentoo] 0 KiB
[ebuild  N     ] app-arch/libarchive-3.3.3:0/13::gentoo  USE="acl bzip2 e2fsprogs iconv lzma threads xattr zlib -expat -libressl -lz4 -lzo -nettle -static-libs" ABI_X86="(64) -32 (-x32)" 0 KiB
[ebuild  N     ] dev-util/gdbus-codegen-2.56.2-r1::gentoo  PYTHON_SINGLE_TARGET="python3_6 -python2_7 -python3_4 -python3_5 -python3_7" PYTHON_TARGETS="python2_7 python3_6 -python3_4 -python3_5 -python3_7" 0 KiB
[ebuild  N     ] dev-libs/libpcre2-10.32::gentoo  USE="bzip2 jit pcre16 readline recursion-limit unicode zlib -libedit -pcre32 -static-libs" ABI_X86="(64) -32 (-x32)" 0 KiB
[ebuild  N     ] dev-libs/fribidi-1.0.5::gentoo  USE="-static-libs" ABI_X86="(64) -32 (-x32)" 0 KiB
[ebuild  N     ] dev-util/desktop-file-utils-0.23::gentoo  USE="-emacs" 0 KiB
[ebuild  N     ] dev-libs/boehm-gc-7.6.4::gentoo  USE="cxx threads -static-libs" ABI_X86="(64) -32 (-x32)" 0 KiB
[ebuild  N     ] dev-lang/nasm-2.13.03-r1::gentoo  USE="-doc" 0 KiB
[ebuild  N     ] dev-libs/libcroco-0.6.12-r1:0.6::gentoo  USE="-test" ABI_X86="(64) -32 (-x32)" 0 KiB
[ebuild  N     ] sys-libs/binutils-libs-2.31.1-r1:0/2.31.1-r1::gentoo  USE="nls -64-bit-bfd -multitarget -static-libs" ABI_X86="(64) -32 (-x32)" 0 KiB
[ebuild  NS    ] sys-devel/autoconf-2.13:2.1::gentoo [2.69-r4:2.69::gentoo] 0 KiB
[ebuild  N     ] dev-libs/icu-62.1:0/62.1::gentoo  USE="-debug -doc -examples -static-libs" ABI_X86="(64) -32 (-x32)" 0 KiB
[ebuild  N     ] app-text/libpaper-1.1.24_p5::gentoo  ABI_X86="(64) -32 (-x32)" 0 KiB
[ebuild  N     ] dev-db/sqlite-3.24.0:3::gentoo  USE="readline -debug -doc -icu -secure-delete -static-libs -tcl -test -tools" ABI_X86="(64) -32 (-x32)" 0 KiB
[ebuild  N     ] x11-libs/pixman-0.34.0::gentoo  USE="(-altivec) (-iwmmxt) (-loongson2f) (-neon) -static-libs" ABI_X86="(64) -32 (-x32)" CPU_FLAGS_X86="mmxext sse2 -ssse3" 0 KiB
[ebuild  N     ] x11-libs/xtrans-1.3.5::gentoo  USE="-doc" 0 KiB
[ebuild  N     ] dev-libs/nspr-4.20::gentoo  USE="-debug" ABI_X86="(64) -32 (-x32)" 0 KiB
[ebuild  N     ] net-nds/openldap-2.4.45::gentoo  USE="berkdb crypt ipv6 minimal ssl syslog tcpd -cxx -debug -experimental -gnutls -iodbc -kerberos -kinit -libressl -odbc -overlays -pbkdf2 -perl -samba -sasl (-selinux) -sha2 -slp -smbkrb5passwd -static-libs" ABI_X86="(64) -32 (-x32)" 0 KiB
[ebuild  N     ] media-fonts/font-util-1.3.1::gentoo  0 KiB
[ebuild  N     ] dev-libs/libuv-1.23.1:0/1::gentoo  USE="-static-libs" ABI_X86="(64) -32 (-x32)" 0 KiB
[ebuild  N     ] sys-libs/gpm-1.20.7-r2::gentoo  USE="(-selinux) -static-libs" ABI_X86="(64) -32 (-x32)" 0 KiB
[ebuild  N     ] dev-util/cmake-3.12.2::gentoo  USE="ncurses -doc -emacs -qt5 -system-jsoncpp -test" 0 KiB
[ebuild  N     ] www-client/w3m-0.5.3_p20180125::gentoo  USE="gpm nls ssl unicode -X -fbcon -gdk-pixbuf -imlib -libressl -lynxkeymap -nntp -xface" L10N="-de -ja" 0 KiB
[ebuild  N     ] app-arch/lz4-1.8.2:0/r131::gentoo  USE="-static-libs" ABI_X86="(64) -32 (-x32)" 0 KiB
[ebuild  N     ] dev-lang/spidermonkey-52.9.1_pre1:52::gentoo  USE="system-icu -custom-cflags -custom-optimization -debug -minimal -test" 0 KiB
[ebuild  N     ] sys-devel/llvm-7.0.0:7::gentoo  USE="libffi ncurses xml -debug -doc -exegesis -gold -libedit -test -xar" ABI_X86="(64) -32 (-x32)" LLVM_TARGETS="AMDGPU BPF NVPTX (X86) -AArch64 -ARM -Hexagon -Lanai -MSP430 -Mips -PowerPC -Sparc -SystemZ -XCore" 0 KiB
[ebuild  N     ] media-gfx/graphite2-1.3.12-r1::gentoo  USE="-perl -test" ABI_X86="(64) -32 (-x32)" 0 KiB
[ebuild  N     ] media-libs/libjpeg-turbo-2.0.0::gentoo  USE="-java -static-libs" ABI_X86="(64) -32 (-x32)" 0 KiB
[ebuild  N     ] virtual/w3m-0::gentoo  0 KiB
[ebuild  N     ] x11-base/xcb-proto-1.13::gentoo  ABI_X86="(64) -32 (-x32)" PYTHON_TARGETS="python2_7 python3_6 -python3_4 -python3_5" 0 KiB
[ebuild  N     ] virtual/jpeg-0-r2::gentoo  USE="-static-libs" ABI_X86="(64) -32 (-x32)" 0 KiB
[ebuild  N     ] app-text/xmlto-0.0.28-r1::gentoo  USE="text -latex" 0 KiB
[ebuild  N     ] media-libs/tiff-4.0.9-r4::gentoo  USE="cxx jpeg zlib -jbig -lzma -static-libs -test" ABI_X86="(64) -32 (-x32)" 0 KiB
[ebuild  N     ] app-text/qpdf-8.2.1:0/21::gentoo  USE="-doc -examples -perl -static-libs -test" 0 KiB
[ebuild  N     ] media-libs/lcms-2.9:2::gentoo  USE="jpeg threads tiff -doc -static-libs -test" ABI_X86="(64) -32 (-x32)" 0 KiB
[ebuild  N     ] media-libs/openjpeg-2.3.0:2/7::gentoo  USE="-doc -static-libs -test" ABI_X86="(64) -32 (-x32)" 0 KiB
[ebuild  N     ] dev-util/meson-0.47.1::gentoo  PYTHON_TARGETS="python3_6 -python3_5" 0 KiB
[ebuild  N     ] dev-python/markupsafe-1.0::gentoo  PYTHON_TARGETS="python2_7 python3_6 -pypy -pypy3 -python3_4 -python3_5 -python3_7" 0 KiB
[ebuild  N     ] dev-python/lxml-4.2.5::gentoo  USE="threads -doc -examples -test" PYTHON_TARGETS="python2_7 python3_6 -pypy -python3_4 -python3_5 -python3_7" 0 KiB
[ebuild  N     ] x11-base/xorg-proto-2018.4::gentoo  0 KiB
[ebuild  N     ] dev-python/mako-1.0.7::gentoo  USE="-doc -test" PYTHON_TARGETS="python2_7 python3_6 -pypy -pypy3 -python3_4 -python3_5 -python3_7" 0 KiB
[ebuild  N     ] x11-libs/libXau-1.0.8-r1::gentoo  USE="-static-libs" ABI_X86="(64) -32 (-x32)" 0 KiB
[ebuild  N     ] x11-libs/libXdmcp-1.1.2-r2::gentoo  USE="-doc -static-libs" ABI_X86="(64) -32 (-x32)" 0 KiB
[ebuild  N     ] x11-libs/libxshmfence-1.3-r1::gentoo  USE="-static-libs" ABI_X86="(64) -32 (-x32)" 0 KiB
[ebuild  N     ] x11-libs/libxcb-1.13:0/1.12::gentoo  USE="xkb -doc (-selinux) -static-libs -test" ABI_X86="(64) -32 (-x32)" 0 KiB
[ebuild  N     ] x11-libs/libX11-1.6.6::gentoo  USE="ipv6 -doc -static-libs -test" ABI_X86="(64) -32 (-x32)" 0 KiB
[ebuild  N     ] x11-libs/libXext-1.3.3-r1::gentoo  USE="-doc -static-libs" ABI_X86="(64) -32 (-x32)" 0 KiB
[ebuild  N     ] x11-libs/libXfixes-5.0.3-r1::gentoo  USE="-static-libs" ABI_X86="(64) -32 (-x32)" 0 KiB
[ebuild  N     ] x11-libs/libXrender-0.9.10-r1::gentoo  USE="-static-libs" ABI_X86="(64) -32 (-x32)" 0 KiB
[ebuild  N     ] x11-libs/libXrandr-1.5.1-r1::gentoo  USE="-static-libs" ABI_X86="(64) -32 (-x32)" 0 KiB
[ebuild  N     ] x11-libs/libXdamage-1.1.4-r2::gentoo  USE="-static-libs" ABI_X86="(64) -32 (-x32)" 0 KiB
[ebuild  N     ] x11-libs/libXxf86vm-1.1.4-r1::gentoo  USE="-static-libs" ABI_X86="(64) -32 (-x32)" 0 KiB
[ebuild  N     ] x11-libs/libXi-1.7.9-r1::gentoo  USE="-doc -static-libs" ABI_X86="(64) -32 (-x32)" 0 KiB
[ebuild  N     ] x11-libs/libXcursor-1.1.15::gentoo  USE="-static-libs" ABI_X86="(64) -32 (-x32)" 0 KiB
[ebuild  N     ] x11-libs/libXcomposite-0.4.4-r2::gentoo  USE="-doc -static-libs" ABI_X86="(64) -32 (-x32)" 0 KiB
[ebuild  N     ] dev-libs/gobject-introspection-1.56.1::gentoo  USE="cairo -doctool -test" PYTHON_SINGLE_TARGET="python3_6 -python2_7 -python3_4 -python3_5 -python3_7" PYTHON_TARGETS="python2_7 python3_6 -python3_4 -python3_5 -python3_7" 0 KiB
[ebuild  N     ] x11-libs/gdk-pixbuf-2.36.12:2::gentoo  USE="introspection jpeg tiff -X -debug -jpeg2k -test" ABI_X86="(64) -32 (-x32)" 0 KiB
[ebuild  N     ] dev-libs/atk-2.28.1::gentoo  USE="introspection nls -test" ABI_X86="(64) -32 (-x32)" 0 KiB
[ebuild  N     ] dev-util/gtk-update-icon-cache-3.24.0::gentoo  0 KiB
[ebuild  N     ] dev-libs/libgusb-0.2.11::gentoo  USE="introspection -static-libs -vala" ABI_X86="(64) -32 (-x32)" 0 KiB
[ebuild  N     ] dev-libs/libgudev-232::gentoo  USE="introspection (-static-libs)" ABI_X86="(64) -32 (-x32)" 0 KiB
[ebuild  N     ] virtual/libgudev-232::gentoo  USE="introspection (-static-libs)" ABI_X86="(64) -32 (-x32)" 0 KiB
[ebuild  N     ] media-libs/fontconfig-2.13.1-r2:1.0::gentoo  USE="-doc -static-libs" ABI_X86="(64) -32 (-x32)" 0 KiB
[ebuild  N     ] app-eselect/eselect-fontconfig-1.1-r1::gentoo  0 KiB
[ebuild  N     ] sys-apps/systemd-239-r1:0/2::gentoo  USE="acl gcrypt kmod lz4 pam pcre policykit resolvconf seccomp split-usr ssl sysv-utils -apparmor -audit -build -cryptsetup -curl -elfutils -gnuefi -http -idn -importd -libidn2 -lzma -nat -qrcode (-selinux) -test -vanilla -xkb" ABI_X86="(64) -32 (-x32)" 0 KiB
[ebuild  N     ] sys-apps/dbus-1.12.10::gentoo  USE="systemd -X -debug -doc -elogind (-selinux) -static-libs -test -user-session" ABI_X86="(64) -32 (-x32)" 0 KiB
[ebuild  N     ] sys-apps/gentoo-systemd-integration-7::gentoo  0 KiB
[ebuild  N     ] sys-auth/polkit-0.115-r1::gentoo  USE="gtk introspection nls pam systemd -elogind -examples -jit -kde (-selinux) -test" 0 KiB
[ebuild  N     ] virtual/udev-217::gentoo  USE="(systemd)" 0 KiB
[ebuild  N     ] x11-libs/libpciaccess-0.14::gentoo  USE="zlib -static-libs" ABI_X86="(64) -32 (-x32)" 0 KiB
[ebuild  N     ] x11-libs/libdrm-2.4.94::gentoo  USE="-libkms -valgrind" ABI_X86="(64) -32 (-x32)" VIDEO_CARDS="amdgpu intel nouveau radeon (-exynos) (-freedreno) (-omap) (-tegra) (-vc4) (-vivante) -vmware" 0 KiB
[ebuild  N     ] media-libs/mesa-18.2.1::gentoo  USE="classic dri3 egl gallium gbm gles2 llvm -d3d9 -debug -gles1 -lm_sensors -opencl -osmesa -pax_kernel -pic (-selinux) -test -unwind -vaapi -valgrind -vdpau -vulkan -wayland -xa -xvmc" ABI_X86="(64) -32 (-x32)" VIDEO_CARDS="intel nouveau radeon radeonsi (-freedreno) -i915 -i965 (-imx) -r100 -r200 -r300 -r600 (-vc4) -virgl (-vivante) -vmware" 0 KiB
[ebuild  N     ] x11-libs/cairo-1.14.12::gentoo  USE="X glib opengl svg xcb (-aqua) -debug (-gles2) -static-libs -valgrind" ABI_X86="(64) -32 (-x32)" 0 KiB
[ebuild  N     ] media-libs/harfbuzz-1.9.0:0/0.9.18::gentoo  USE="cairo glib graphite icu introspection truetype -debug -fontconfig -static-libs -test" ABI_X86="(64) -32 (-x32)" 0 KiB
[ebuild  N     ] x11-libs/pango-1.42.4::gentoo  USE="introspection -X -test" ABI_X86="(64) -32 (-x32)" 0 KiB
[ebuild  N     ] gnome-base/librsvg-2.40.18:2::gentoo  USE="introspection -tools -vala" ABI_X86="(64) -32 (-x32)" 0 KiB
[ebuild  N     ] virtual/opengl-7.0-r2::gentoo  ABI_X86="(64) -32 (-x32)" 0 KiB
[ebuild  N     ] media-libs/libepoxy-1.5.2::gentoo  USE="X -test" ABI_X86="(64) -32 (-x32)" 0 KiB
[ebuild  N     ] x11-misc/colord-1.3.4:0/2::gentoo  USE="gusb introspection policykit systemd udev -argyllcms -examples -extra-print-profiles -scanner -vala" ABI_X86="(64) -32 (-x32)" 0 KiB
[ebuild  N     ] app-accessibility/at-spi2-core-2.26.2:2::gentoo  USE="introspection -X" ABI_X86="(64) -32 (-x32)" 0 KiB
[ebuild  N     ] app-accessibility/at-spi2-atk-2.26.2:2::gentoo  USE="-test" ABI_X86="(64) -32 (-x32)" 0 KiB
[ebuild  N     ] app-text/poppler-0.67.0:0/78::gentoo  USE="cairo cxx introspection jpeg jpeg2k lcms png tiff utils -cjk -curl -debug -doc -nss -qt5" 0 KiB
[ebuild  N     ] media-libs/glu-9.0.0-r1::gentoo  USE="-static-libs" ABI_X86="(64) -32 (-x32)" 0 KiB
[ebuild  N     ] virtual/glu-9.0-r2::gentoo  ABI_X86="(64) -32 (-x32)" 0 KiB
[ebuild  N     ] media-libs/freeglut-3.0.0::gentoo  USE="-debug -static-libs" ABI_X86="(64) -32 (-x32)" 0 KiB
[ebuild  N     ] app-text/mupdf-1.13.0-r1:0/1.13.0::gentoo  USE="curl lcms opengl openssl -X -javascript -libressl -static -static-libs -vanilla" 0 KiB
[ebuild  N     ] net-print/cups-2.2.8-r1::gentoo  USE="acl dbus pam ssl systemd threads usb -X -debug -java -kerberos -lprng-compat -python (-selinux) -static-libs -xinetd -zeroconf" ABI_X86="(64) -32 (-x32)" PYTHON_TARGETS="python2_7" 0 KiB
[ebuild  N     ] x11-libs/gtk+-3.24.1:3::gentoo  USE="X colord cups introspection (-aqua) -broadway -cloudprint -examples -test -vim-syntax -wayland -xinerama" ABI_X86="(64) -32 (-x32)" 0 KiB
[ebuild  N     ] gnome-extra/polkit-gnome-0.105-r1::gentoo  0 KiB
[ebuild  N     ] x11-themes/adwaita-icon-theme-3.26.1::gentoo  USE="branding" 0 KiB
[ebuild  N     ] app-text/ghostscript-gpl-9.25::gentoo  USE="cups dbus gtk tiff unicode -X -static-libs" L10N="-de -ja -ko -zh-CN -zh-TW" 0 KiB
[ebuild  N     ] net-print/cups-filters-1.21.2::gentoo  USE="dbus foomatic jpeg ldap pdf png postscript tiff -ipp_autosetup -pclm -perl -static-libs -test -zeroconf" 0 KiB
[ebuild  N     ] virtual/dev-manager-0-r1::gentoo  0 KiB

Total: 110 packages (106 new, 4 in new slots), Size of downloads: 0 KiB

Would you like to merge these packages? [Yes/No] 
>>> Verifying ebuild manifests
>>> Running pre-merge checks for dev-libs/icu-62.1
>>> Running pre-merge checks for sys-apps/systemd-239-r1
 * Determining the location of the kernel source code
 * Found kernel source directory:
 *     /usr/src/linux
 * Found kernel object directory:
 *     /lib/modules/4.14.65-gentoo/build
 * Found sources for kernel version:
 *     4.14.65-gentoo
 * Checking for suitable kernel configuration options...
 *   CONFIG_CGROUP_BPF:	 is not set when it should be.
 * Please check to make sure these options are set correctly.
 * Failure to do so may cause unexpected problems.
>>> Running pre-merge checks for media-libs/mesa-18.2.1
>>> Running pre-merge checks for x11-misc/colord-1.3.4

>>> Emerging (1 of 110) dev-libs/libusb-1.0.22::gentoo
 * Fetching files in the background.
 * To view fetch progress, run in another terminal:
 * tail -f /var/log/emerge-fetch.log
 * libusb-1.0.22.tar.bz2 BLAKE2B SHA512 size ;-) ...                     [ ok ]
>>> Unpacking source...
>>> Unpacking libusb-1.0.22.tar.bz2 to /var/tmp/portage/dev-libs/libusb-1.0.22/work
>>> Source unpacked in /var/tmp/portage/dev-libs/libusb-1.0.22/work
>>> Preparing source in /var/tmp/portage/dev-libs/libusb-1.0.22/work/libusb-1.0.22 ...
>>> Source prepared.
>>> Configuring source in /var/tmp/portage/dev-libs/libusb-1.0.22/work/libusb-1.0.22 ...
 * abi_x86_64.amd64: running multilib-minimal_abi_src_configure
 * econf: updating libusb-1.0.22/config.sub with /usr/share/gnuconfig/config.sub
 * econf: updating libusb-1.0.22/config.guess with /usr/share/gnuconfig/config.guess
/var/tmp/portage/dev-libs/libusb-1.0.22/work/libusb-1.0.22/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 --docdir=/usr/share/doc/libusb-1.0.22 --htmldir=/usr/share/doc/libusb-1.0.22/html --libdir=/usr/lib64 --disable-static --enable-udev --disable-debug-log --disable-tests-build
checking for a BSD-compatible install... /usr/lib/portage/python3.6/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 whether make supports nested variables... (cached) yes
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 for x86_64-pc-linux-gnu-g++... x86_64-pc-linux-gnu-g++
checking whether we are using the GNU C++ compiler... yes
checking whether x86_64-pc-linux-gnu-g++ accepts -g... yes
checking dependency style of x86_64-pc-linux-gnu-g++... none
checking build system type... x86_64-pc-linux-gnu
checking host system type... x86_64-pc-linux-gnu
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
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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 how to convert x86_64-pc-linux-gnu file names to x86_64-pc-linux-gnu format... func_convert_file_noop
checking how to convert x86_64-pc-linux-gnu file names to toolchain format... func_convert_file_noop
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-dlltool... no
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checking how to associate runtime and link libraries... printf %s\n
checking for x86_64-pc-linux-gnu-ar... x86_64-pc-linux-gnu-ar
checking for archiver @FILE support... @
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 for sysroot... no
checking for a working dd... /bin/dd
checking how to truncate binary pipes... /bin/dd bs=4096 count=1
checking for x86_64-pc-linux-gnu-mt... no
checking for mt... no
checking if : is a manifest tool... no
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 how to run the C++ preprocessor... x86_64-pc-linux-gnu-g++ -E
checking for ld used by x86_64-pc-linux-gnu-g++... /usr/x86_64-pc-linux-gnu/bin/ld -m elf_x86_64
checking if the linker (/usr/x86_64-pc-linux-gnu/bin/ld -m elf_x86_64) is GNU ld... yes
checking whether the x86_64-pc-linux-gnu-g++ linker (/usr/x86_64-pc-linux-gnu/bin/ld -m elf_x86_64) supports shared libraries... yes
checking for x86_64-pc-linux-gnu-g++ option to produce PIC... -fPIC -DPIC
checking if x86_64-pc-linux-gnu-g++ PIC flag -fPIC -DPIC works... yes
checking if x86_64-pc-linux-gnu-g++ static flag -static works... yes
checking if x86_64-pc-linux-gnu-g++ supports -c -o file.o... yes
checking if x86_64-pc-linux-gnu-g++ supports -c -o file.o... (cached) yes
checking whether the x86_64-pc-linux-gnu-g++ linker (/usr/x86_64-pc-linux-gnu/bin/ld -m elf_x86_64) supports shared libraries... yes
checking dynamic linker characteristics... (cached) GNU/Linux ld.so
checking how to hardcode library paths into programs... immediate
checking for x86_64-pc-linux-gnu-windres... no
checking for windres... no
checking for inline... inline
checking operating system... Linux
checking for library containing clock_gettime2... no
checking libudev.h usability... no
checking libudev.h presence... no
checking for libudev.h... no
configure: error: udev support requested but libudev header not installed

!!! Please attach the following file when seeking support:
!!! /var/tmp/portage/dev-libs/libusb-1.0.22/work/libusb-1.0.22-abi_x86_64.amd64/config.log
 * ERROR: dev-libs/libusb-1.0.22::gentoo failed (configure phase):
 *   econf failed
 * 
 * Call stack:
 *               ebuild.sh, line  124:  Called src_configure
 *             environment, line 1508:  Called multilib-minimal_src_configure
 *             environment, line  895:  Called multilib_foreach_abi 'multilib-minimal_abi_src_configure'
 *             environment, line 1109:  Called multibuild_foreach_variant '_multilib_multibuild_wrapper' 'multilib-minimal_abi_src_configure'
 *             environment, line  825:  Called _multibuild_run '_multilib_multibuild_wrapper' 'multilib-minimal_abi_src_configure'
 *             environment, line  823:  Called _multilib_multibuild_wrapper 'multilib-minimal_abi_src_configure'
 *             environment, line  223:  Called multilib-minimal_abi_src_configure
 *             environment, line  889:  Called multilib_src_configure
 *             environment, line 1328:  Called econf '--disable-static' '--enable-udev' '--disable-debug-log' '--disable-tests-build'
 *        phase-helpers.sh, line  718:  Called __helpers_die 'econf failed'
 *   isolated-functions.sh, line  121:  Called die
 * The specific snippet of code:
 *   		die "$@"
 * 
 * If you need support, post the output of `emerge --info '=dev-libs/libusb-1.0.22::gentoo'`,
 * the complete build log and the output of `emerge -pqv '=dev-libs/libusb-1.0.22::gentoo'`.
 * The complete build log is located at '/var/tmp/portage/dev-libs/libusb-1.0.22/temp/build.log'.
 * The ebuild environment file is located at '/var/tmp/portage/dev-libs/libusb-1.0.22/temp/environment'.
 * Working directory: '/var/tmp/portage/dev-libs/libusb-1.0.22/work/libusb-1.0.22-abi_x86_64.amd64'
 * S: '/var/tmp/portage/dev-libs/libusb-1.0.22/work/libusb-1.0.22'

>>> Failed to emerge dev-libs/libusb-1.0.22, Log file:

>>>  '/var/tmp/portage/dev-libs/libusb-1.0.22/temp/build.log'
 * Messages for package sys-apps/systemd-239-r1:
 *   CONFIG_CGROUP_BPF:	 is not set when it should be.
 * Please check to make sure these options are set correctly.
 * Failure to do so may cause unexpected problems.
 * Messages for package dev-libs/libusb-1.0.22:
 * ERROR: dev-libs/libusb-1.0.22::gentoo failed (configure phase):
 *   econf failed
 * 
 * Call stack:
 *               ebuild.sh, line  124:  Called src_configure
 *             environment, line 1508:  Called multilib-minimal_src_configure
 *             environment, line  895:  Called multilib_foreach_abi 'multilib-minimal_abi_src_configure'
 *             environment, line 1109:  Called multibuild_foreach_variant '_multilib_multibuild_wrapper' 'multilib-minimal_abi_src_configure'
 *             environment, line  825:  Called _multibuild_run '_multilib_multibuild_wrapper' 'multilib-minimal_abi_src_configure'
 *             environment, line  823:  Called _multilib_multibuild_wrapper 'multilib-minimal_abi_src_configure'
 *             environment, line  223:  Called multilib-minimal_abi_src_configure
 *             environment, line  889:  Called multilib_src_configure
 *             environment, line 1328:  Called econf '--disable-static' '--enable-udev' '--disable-debug-log' '--disable-tests-build'
 *        phase-helpers.sh, line  718:  Called __helpers_die 'econf failed'
 *   isolated-functions.sh, line  121:  Called die
 * The specific snippet of code:
 *   		die "$@"
 * 
 * If you need support, post the output of `emerge --info '=dev-libs/libusb-1.0.22::gentoo'`,
 * the complete build log and the output of `emerge -pqv '=dev-libs/libusb-1.0.22::gentoo'`.
 * The complete build log is located at '/var/tmp/portage/dev-libs/libusb-1.0.22/temp/build.log'.
 * The ebuild environment file is located at '/var/tmp/portage/dev-libs/libusb-1.0.22/temp/environment'.
 * Working directory: '/var/tmp/portage/dev-libs/libusb-1.0.22/work/libusb-1.0.22-abi_x86_64.amd64'
 * S: '/var/tmp/portage/dev-libs/libusb-1.0.22/work/libusb-1.0.22'