When trying to emerge ncmpcpp-7.0 it fails due to a blockage of the boost package. Reproducible: Always Steps to Reproduce: 1. emerge ncmpcpp 2. emerge stops with the error below 3. Actual Results: [ebuild U ] media-sound/ncmpcpp-0.7::gentoo [0.6.8::gentoo] USE="curl taglib unicode -clock -outputs -visualizer" 432 KiB [blocks B ] dev-libs/boost:0/1.57.0 ("dev-libs/boost:0/1.57.0" is blocking media-sound/ncmpcpp-0.7) Total: 1 package (1 upgrade), Size of downloads: 432 KiB Conflict: 1 block (1 unsatisfied) * Error: The above package list contains packages which cannot be * installed at the same time on the same system. (media-sound/ncmpcpp-0.7:0/0::gentoo, ebuild scheduled for merge) pulled in by ncmpcpp media-sound/ncmpcpp required by @selected (dev-libs/boost-1.57.0:0/1.57.0::gentoo, installed) pulled in by >=dev-libs/boost-1.47 required by (media-libs/libpagemaker-0.0.2:0/0::gentoo, installed) dev-libs/boost:0/1.57.0=[threads] required by (dev-libs/libixion-0.9.1:0/0.10::gentoo, installed) dev-libs/boost:0/1.57.0= required by (dev-libs/librevenge-0.0.2:0/0::gentoo, installed) >=dev-libs/boost-1.36 required by (media-gfx/inkscape-0.91:0/0::gentoo, installed) dev-libs/boost required by (app-office/scribus-1.5.0-r1:0/0::gentoo, installed) >=dev-libs/boost-1.52.0-r6:=[python?,python_targets_python2_7(-)?,-python_single_target_python2_7(-)] (>=dev-libs/boost-1.52.0-r6:=[python,python_targets_python2_7(-),-pyth on_single_target_python2_7(-)]) required by (media-libs/vigra-1.10.0:0/0::gentoo, installed) dev-libs/boost:= required by (dev-libs/librevenge-0.0.2:0/0::gentoo, installed) dev-libs/boost:0/1.57.0= required by (dev-cpp/libcmis-0.5.0-r1:0.5/0.5::gentoo, installed) >=dev-libs/boost-1.51.0:0/1.57.0= required by (dev-libs/liborcus-0.7.1:0/0::gentoo, installed) dev-libs/boost:= required by (app-text/libwps-0.4.2:0/0::gentoo, installed) >=dev-libs/boost-1.52.0-r6:0/1.57.0=[python,python_targets_python2_7(-),-python_single_target_python2_7(-)] required by (media-libs/vigra-1.10.0:0/0::gentoo, installed) >=dev-libs/boost-1.46 required by (app-text/libabw-0.1.1:0/0::gentoo, installed) >=dev-libs/boost-1.46 required by (app-text/libetonyek-0.1.3:0/0::gentoo, installed) dev-libs/boost required by (sys-block/thin-provisioning-tools-0.5.3:0/0::gentoo, installed) >=dev-libs/boost-1.46 required by (media-libs/libvisio-0.1.3-r1:0/0::gentoo, installed) dev-libs/boost:= required by (dev-cpp/libcmis-0.5.0-r1:0.5/0.5::gentoo, installed) dev-libs/boost:0/1.57.0= required by (dev-util/mdds-0.12.1:0/0.12.1::gentoo, installed) dev-libs/boost:0/1.57.0= required by (app-text/libwps-0.4.2:0/0::gentoo, installed) dev-libs/boost required by (app-text/highlight-3.24:0/0::gentoo, installed) dev-libs/boost required by (media-libs/libcdr-0.1.1:0/0::gentoo, installed) >=dev-libs/boost-1.55:= required by (app-office/libreoffice-5.0.3.2:0/0::gentoo, installed) dev-libs/boost:=[threads] required by (dev-libs/libixion-0.9.1:0/0.10::gentoo, installed) dev-libs/boost:= required by (app-text/libebook-0.1.2:0/0::gentoo, installed) dev-libs/boost:0/1.57.0= required by (app-text/libebook-0.1.2:0/0::gentoo, installed) >=dev-libs/boost-1.51.0:= required by (dev-libs/liborcus-0.7.1:0/0::gentoo, installed) dev-libs/boost required by (app-text/libmspub-0.1.2:0/0::gentoo, installed) >=dev-libs/boost-1.46 required by (app-text/libodfgen-0.1.4:0/0::gentoo, installed) >=dev-libs/boost-1.55:0/1.57.0= required by (app-office/libreoffice-5.0.3.2:0/0::gentoo, installed) dev-libs/boost:= required by (dev-util/mdds-0.12.1:0/0.12.1::gentoo, installed) dev-libs/boost required by (media-sound/mpd-0.19.11:0/0::gentoo, installed) >=dev-libs/boost-1.46:0/1.57.0= required by (app-text/libmwaw-0.3.6:0/0::gentoo, installed) dev-libs/boost required by @selected >=dev-libs/boost-1.46:= required by (app-text/libmwaw-0.3.6:0/0::gentoo, installed) dev-libs/boost:=[icu] required by (media-sound/ncmpcpp-0.7:0/0::gentoo, ebuild scheduled for merge) dev-libs/boost:=[nls,threads] required by (media-sound/ncmpcpp-0.7:0/0::gentoo, ebuild scheduled for merge) Expected Results: Successful compilation of ncmpcpp. emerge --info ============= Portage 2.2.26 (python 2.7.10-final-0, default/linux/amd64/13.0, gcc-4.9.3, glibc-2.22-r1, 4.3.0-gentoo-nvidia x86_64) ================================================================= System uname: Linux-4.3.0-gentoo-nvidia-x86_64-Intel-R-_Core-TM-_i7_CPU_870_@_2.93GHz-with-gentoo-2.2 KiB Mem: 8126476 total, 5032768 free KiB Swap: 2104508 total, 1837756 free Timestamp of repository gentoo: Sat, 05 Dec 2015 02:45:01 +0000 sh bash 4.3_p42 ld GNU ld (Gentoo 2.25.1 p1.1) 2.25.1 app-shells/bash: 4.3_p42::gentoo dev-java/java-config: 2.2.0::gentoo dev-lang/perl: 5.22.0::gentoo dev-lang/python: 2.7.10-r3::gentoo, 3.4.3-r2::gentoo, 3.5.0-r1::gentoo dev-util/cmake: 3.4.1::gentoo dev-util/pkgconfig: 0.29::gentoo sys-apps/baselayout: 2.2::gentoo sys-apps/openrc: 0.19::gentoo sys-apps/sandbox: 2.9::gentoo sys-devel/autoconf: 2.13::gentoo, 2.69-r1::gentoo sys-devel/automake: 1.11.6-r1::gentoo, 1.13.4::gentoo, 1.14.1::gentoo, 1.15::gentoo sys-devel/binutils: 2.25.1-r1::gentoo sys-devel/gcc: 4.9.3::gentoo sys-devel/gcc-config: 1.8::gentoo sys-devel/libtool: 2.4.6-r1::gentoo sys-devel/make: 4.1-r1::gentoo sys-kernel/linux-headers: 4.3::gentoo (virtual/os-headers) sys-libs/glibc: 2.22-r1::gentoo Repositories: gentoo location: /usr/portage sync-type: rsync sync-uri: rsync://rsync.europe.gentoo.org/gentoo-portage priority: -1000 x-portage location: /usr/local/portage masters: gentoo priority: 0 emery location: /var/lib/layman/emery sync-type: laymansync sync-uri: git://anongit.gentoo.org/user/emery.git masters: gentoo priority: 50 eroen location: /var/lib/layman/eroen sync-type: laymansync sync-uri: git://anongit.gentoo.org/user/eroen.git masters: gentoo priority: 50 eva location: /var/lib/layman/eva sync-type: laymansync sync-uri: git://anongit.gentoo.org/dev/eva.git masters: gentoo priority: 50 mpd location: /var/lib/layman/mpd sync-type: laymansync sync-uri: git://git.musicpd.org/master/mpd-gentoo-overlay.git masters: gentoo priority: 50 proaudio location: /var/lib/layman/proaudio sync-type: laymansync sync-uri: svn://svn.tuxfamily.org/svnroot/proaudio/proaudio/trunk/overlays/proaudio masters: gentoo priority: 50 raiagent location: /var/lib/layman/raiagent sync-type: laymansync sync-uri: git://github.com/leycec/raiagent.git masters: gentoo priority: 50 vortex location: /var/lib/layman/vortex sync-type: laymansync sync-uri: git://github.com/nE0sIghT/vortex-overlay.git masters: gentoo priority: 50 ACCEPT_KEYWORDS="amd64 ~amd64" ACCEPT_LICENSE="*" CBUILD="x86_64-pc-linux-gnu" CFLAGS="-march=native -O2 -pipe" CHOST="x86_64-pc-linux-gnu" CONFIG_PROTECT="/etc /usr/lib64/libreoffice/program/sofficerc /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-php5.6/ext-active/ /etc/php/cgi-php5.6/ext-active/ /etc/php/cli-php5.6/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="-march=native -O2 -pipe" DISTDIR="/usr/portage/distfiles" EMERGE_DEFAULT_OPTS="--color y --with-bdeps y --complete-graph y --keep-going --quiet-build y --alert y --autounmask y --autounmask-write y" FCFLAGS="-O2 -pipe" FEATURES="assume-digests binpkg-logs buildsyspkg config-protect-if-modified distlocks ebuild-locks fixlafiles merge-sync 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="http://gentoo.tiscali.nl/ http://mirror.netcologne.de/gentoo/ http://mirror.leaseweb.com/gentoo/" LANG="en_US.utf8" LC_ALL="" LDFLAGS="-Wl,-O1 -Wl,--as-needed" MAKEOPTS="--jobs=9 --load-average=8" 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" PORTAGE_TMPDIR="/var/tmp" USE="X aac acl alsa amd64 berkdb bzip2 cairo cli cracklib crypt cups cxx dbus dirac dri encode exif ffmpeg flac fortran gdbm gif gphoto2 gtk gtk3 iconv id3 ipv6 jpeg lcms libnotify maildir mmx mmxext modules mp3 mp4 multilib ncurses nls nptl ogg opengl openmp pam pcre png qt5 readline seccomp session sse sse2 ssl startup-notification svg tcpd tiff truetype udev unicode vdpau vim-syntax vorbis x264 xattr xulrunner xvid zlib zsh-completion" ABI_X86="64" ALSA_CARDS="hda-intel emu10k1" 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="kexi words flow plan sheets stage tables krita karbon braindump author" CAMERAS="directory ptp2 usb" COLLECTD_PLUGINS="df interface irq load memory rrdtool swap syslog" CPU_FLAGS_X86="mmx mmxext sse sse2 sse3" ELIBC="glibc" GPSD_PROTOCOLS="ashtech aivdm earthmate evermore fv18 garmin garmintxt gpsclock itrax mtk3301 nmea ntrip navcom oceanserver oldstyle oncore rtcm104v2 rtcm104v3 sirf superstar2 timing tsip tripmate tnt ublox ubx" INPUT_DEVICES="evdev" KERNEL="linux" 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" PYTHON_SINGLE_TARGET="python2_7" PYTHON_TARGETS="python2_7 python3_4" RUBY_TARGETS="ruby20 ruby21" USERLAND="GNU" VIDEO_CARDS="nvidia" 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, INSTALL_MASK, PORTAGE_BUNZIP2_COMMAND, PORTAGE_COMPRESS, PORTAGE_COMPRESS_FLAGS, PORTAGE_RSYNC_EXTRA_OPTS, USE_PYTHON
To me it does not look like a gentoo bug, but rather a unsatisfied dependency. Have you tried to upgrade to dev-libs/boost-1.57.0 (which is not yet stable in gentoo)?