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Bug 390131 - gnome-base/gnome-3.2.1 Can't be emerged due to dev-python/pygobject dependency conflicts
Summary: gnome-base/gnome-3.2.1 Can't be emerged due to dev-python/pygobject dependenc...
Status: RESOLVED INVALID
Alias: None
Product: Gentoo Linux
Classification: Unclassified
Component: [OLD] GNOME (show other bugs)
Hardware: All Linux
: Normal normal (vote)
Assignee: Gentoo Linux Gnome Desktop Team
URL:
Whiteboard:
Keywords:
Depends on:
Blocks:
 
Reported: 2011-11-10 21:51 UTC by Tim Mohlmann
Modified: 2011-11-11 13:11 UTC (History)
0 users

See Also:
Package list:
Runtime testing required: ---


Attachments

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Description Tim Mohlmann 2011-11-10 21:51:22 UTC
Both dev-python/pygobject-3.0.2 and dev-python/pygobject-2.28.6 conflict but are required by packages dependency by gnome-base/gnome-3.2.1.

Last part of emerge output:
* Error: The above package list contains packages which cannot be
 * installed at the same time on the same system.

  (dev-python/pygobject-3.0.2::gentoo, ebuild scheduled for merge) pulled in by
    >=dev-python/pygobject-3.0.0:3 required by (app-editors/gedit-3.2.1::gentoo, ebuild scheduled for merge)
    >=dev-python/pygobject-2.90.0:3 required by (gnome-extra/gnome-tweak-tool-3.2.1::gentoo, ebuild scheduled for merge)
    dev-python/pygobject:3 required by (gnome-base/gnome-menus-3.2.0.1::gentoo, ebuild scheduled for merge)
    dev-python/pygobject:3 required by (gnome-extra/gnome-games-3.2.1::gentoo, ebuild scheduled for merge)
    >=dev-python/pygobject-2.90.3:3 required by (app-accessibility/caribou-0.4.1::gentoo, ebuild scheduled for merge)
    >=dev-python/pygobject-3.0.0:3 required by (dev-libs/libpeas-1.2.0-r1::gentoo, ebuild scheduled for merge)
    >=dev-python/pygobject-2.90.3:3 required by (media-video/totem-3.2.1::gentoo, ebuild scheduled for merge)
    >=dev-python/pygobject-2.90.1:3 required by (dev-python/pyatspi-2.2.1::gentoo, ebuild scheduled for merge)

  (dev-python/pygobject-2.28.6::gentoo, installed) pulled in by
    >=dev-python/pygobject-2.11.2:2 required by (dev-python/gst-python-0.10.21::gentoo, ebuild scheduled for merge)
    >=dev-python/pygobject-2.21.3:2 required by (dev-python/pygtk-2.24.0-r1::gentoo, installed)
    >=dev-python/pygobject-2.26:2[introspection] required by (gnome-base/gnome-applets-3.2.1::gentoo, ebuild scheduled for merge)
    >=dev-python/pygobject-2.15.2:2 required by (dev-python/pygtksourceview-2.10.1::gentoo, installed)


For more information about Blocked Packages, please refer to the following
section of the Gentoo Linux x86 Handbook (architecture is irrelevant):

http://www.gentoo.org/doc/en/handbook/handbook-x86.xml?full=1#blocked

Reproducible: Always

Steps to Reproduce:
1. Used app-portage/autounmask to unmask all dependencies 
2. emerge --update --deep --newuse world gnome
3. 
Actual Results:  
Cannot emerge newer version of GNOME due to dependency conflict


gentoo portage # emerge --info
Portage 2.1.10.11 (default/linux/amd64/10.0/desktop/gnome, gcc-4.5.3, glibc-2.12.2-r0, 3.0.4-gentoo x86_64)
=================================================================
System uname: Linux-3.0.4-gentoo-x86_64-Intel-R-_Core-TM-2_Duo_CPU_T7500_@_2.20GHz-with-gentoo-2.0.3
Timestamp of tree: Thu, 10 Nov 2011 14:15:01 +0000
distcc 3.1 x86_64-pc-linux-gnu [enabled]
app-shells/bash:          4.1_p9
dev-java/java-config:     2.1.11-r3
dev-lang/python:          2.7.2-r3, 3.1.4-r3
dev-util/cmake:           2.8.4-r1
dev-util/pkgconfig:       0.26
sys-apps/baselayout:      2.0.3
sys-apps/openrc:          0.8.3-r1
sys-apps/sandbox:         2.5
sys-devel/autoconf:       2.13, 2.68
sys-devel/automake:       1.10.3, 1.11.1
sys-devel/binutils:       2.21.1-r1
sys-devel/gcc:            4.5.3-r1
sys-devel/gcc-config:     1.4.1-r1
sys-devel/libtool:        2.4-r1
sys-devel/make:           3.82-r1
sys-kernel/linux-headers: 2.6.39 (virtual/os-headers)
sys-libs/glibc:           2.12.2
Repositories:

gentoo
    location: /var/portage
    sync: rsync://rsync.de.gentoo.org/gentoo-portage
    priority: -1000

aidecoe
    location: /var/lib/layman/aidecoe
    masters: gentoo
    priority: 0

x-layman
    location: /var/lib/layman
    masters: gentoo
    priority: 1

x-portage
    location: /usr/local/portage
    masters: gentoo
    priority: 2

ABI="amd64"
ACCEPT_KEYWORDS="amd64"
ACCEPT_LICENSE="* -@EULA"
ACCEPT_PROPERTIES="*"
ALSA_CARDS="ali5451 als4000 atiixp atiixp-modem bt87x ca0106 cmipci emu10k1x ens1370 ens1371 es1938 es1968 fm801 hda-intel intel8x0 intel8x0m maestro3 trident usb-audio via82xx via82xx-modem ymfpci"
ALSA_PCM_PLUGINS="adpcm alaw asym copy dmix dshare dsnoop empty extplug file hooks iec958 ioplug ladspa lfloat linear meter mmap_emul mulaw multi null plug rate route share shm softvol"
ANT_HOME="/usr/share/ant"
APACHE2_MODULES="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"
ARCH="amd64"
AUTOCLEAN="yes"
CALLIGRA_FEATURES="kexi words flow plan stage tables krita karbon braindump"
CAMERAS="ptp2"
CBUILD="x86_64-pc-linux-gnu"
CFLAGS="-march=core2 -O2 -pipe"
CFLAGS_x86="-m32"
CHOST="x86_64-pc-linux-gnu"
CHOST_amd64="x86_64-pc-linux-gnu"
CHOST_x86="i686-pc-linux-gnu"
CLEAN_DELAY="5"
COLLECTD_PLUGINS="df interface irq load memory rrdtool swap syslog"
COLLISION_IGNORE="/lib/modules"
CONFIG_PROTECT="/etc /usr/share/config /usr/share/gnupg/qualified.txt /var/lib/hsqldb"
CONFIG_PROTECT_MASK="/etc/ca-certificates.conf /etc/env.d /etc/env.d/java/ /etc/fonts/fonts.conf /etc/gconf /etc/gentoo-release /etc/revdep-rebuild /etc/sandbox.d /etc/terminfo"
CXXFLAGS="-march=core2 -O2 -pipe"
DCCC_PATH="/usr/lib64/distcc/bin"
DEFAULT_ABI="amd64"
DISPLAY=":0"
DISTCC_LOG=""
DISTCC_VERBOSE=""
DISTDIR="/var/distfiles"
EDITOR="/bin/nano"
ELIBC="glibc"
EMERGE_DEFAULT_OPTS="--ask --verbose --keep-going --autounmask=n"
EMERGE_WARNING_DELAY="10"
EPREFIX=""
EROOT="/"
FCFLAGS=""
FEATURES="assume-digests binpkg-logs distcc distlocks ebuild-locks fixlafiles fixpackages news parallel-fetch protect-owned sandbox sfperms strict unknown-features-warn unmerge-logs unmerge-orphans userfetch"
FETCHCOMMAND="/usr/bin/wget -t 3 -T 60 --passive-ftp -O "${DISTDIR}/${FILE}" "${URI}""
FETCHCOMMAND_RSYNC="rsync -avP "${URI}" "${DISTDIR}/${FILE}""
FETCHCOMMAND_SFTP="bash -c "x=\${2#sftp://} ; host=\${x%%/*} ; port=\${host##*:} ; host=\${host%:*} ; [[ \${host} = \${port} ]] && port=22 ; exec sftp -P \${port} \"\${host}:/\${x#*/}\" \"\$1\"" sftp "${DISTDIR}/${FILE}" "${URI}""
FETCHCOMMAND_SSH="bash -c "x=\${2#ssh://} ; host=\${x%%/*} ; port=\${host##*:} ; host=\${host%:*} ; [[ \${host} = \${port} ]] && port=22 ; exec rsync --rsh=\"ssh -p\${port}\" -avP \"\${host}:/\${x#*/}\" \"\$1\"" rsync "${DISTDIR}/${FILE}" "${URI}""
FFLAGS=""
GDK_USE_XFT="1"
GENTOO_MIRRORS="http://mirror.nl.leaseweb.net/gentoo/ http://distfiles.gentoo.org"
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 ubx"
GRUB_PLATFORMS=""
GSETTINGS_BACKEND="gconf"
HOME="/root"
INFOPATH="/usr/share/info:/usr/share/binutils-data/x86_64-pc-linux-gnu/2.21.1/info:/usr/share/gcc-data/x86_64-pc-linux-gnu/4.5.3/info"
INPUT_DEVICES="evdev synaptics"
JAVAC="/etc/java-config-2/current-system-vm/bin/javac"
JAVACC_HOME="/usr/share/javacc/"
JAVA_HOME="/etc/java-config-2/current-system-vm"
JDK_HOME="/etc/java-config-2/current-system-vm"
KERNEL="linux"
LCD_DEVICES="bayrad cfontz cfontz633 glk hd44780 lb216 lcdm001 mtxorb ncurses text"
LDFLAGS="-Wl,-O1 -Wl,--as-needed"
LDFLAGS_x86="-m elf_i386"
LESS="-R -M --shift 5"
LESSOPEN="|lesspipe %s"
LIBDIR_amd64="lib64"
LIBDIR_amd64_fbsd="lib64"
LIBDIR_ppc="lib32"
LIBDIR_ppc64="lib64"
LIBDIR_s390="lib32"
LIBDIR_s390x="lib64"
LIBDIR_sparc32="lib32"
LIBDIR_sparc64="lib64"
LIBDIR_x86="lib32"
LIBDIR_x86_fbsd="lib32"
LINGUAS="en nl"
LOGNAME="root"
LS_COLORS="rs=0:di=01;34:ln=01;36:mh=00:pi=40;33:so=01;35:do=01;35:bd=40;33;01:cd=40;33;01:or=01;05;37;41:mi=01;05;37;41:su=37;41:sg=30;43:ca=30;41:tw=30;42:ow=34;42:st=37;44:ex=01;32:*.tar=01;31:*.tgz=01;31:*.arj=01;31:*.taz=01;31:*.lzh=01;31:*.lzma=01;31:*.tlz=01;31:*.txz=01;31:*.zip=01;31:*.z=01;31:*.Z=01;31:*.dz=01;31:*.gz=01;31:*.lz=01;31:*.xz=01;31:*.bz2=01;31:*.bz=01;31:*.tbz=01;31:*.tbz2=01;31:*.tz=01;31:*.deb=01;31:*.rpm=01;31:*.jar=01;31:*.rar=01;31:*.ace=01;31:*.zoo=01;31:*.cpio=01;31:*.7z=01;31:*.rz=01;31:*.jpg=01;35:*.jpeg=01;35:*.gif=01;35:*.bmp=01;35:*.pbm=01;35:*.pgm=01;35:*.ppm=01;35:*.tga=01;35:*.xbm=01;35:*.xpm=01;35:*.tif=01;35:*.tiff=01;35:*.png=01;35:*.svg=01;35:*.svgz=01;35:*.mng=01;35:*.pcx=01;35:*.mov=01;35:*.mpg=01;35:*.mpeg=01;35:*.m2v=01;35:*.mkv=01;35:*.ogm=01;35:*.mp4=01;35:*.m4v=01;35:*.mp4v=01;35:*.vob=01;35:*.qt=01;35:*.nuv=01;35:*.wmv=01;35:*.asf=01;35:*.rm=01;35:*.rmvb=01;35:*.flc=01;35:*.avi=01;35:*.fli=01;35:*.flv=01;35:*.gl=01;35:*.dl=01;35:*.xcf=01;35:*.xwd=01;35:*.yuv=01;35:*.cgm=01;35:*.emf=01;35:*.axv=01;35:*.anx=01;35:*.ogv=01;35:*.ogx=01;35:*.pdf=00;32:*.ps=00;32:*.txt=00;32:*.patch=00;32:*.diff=00;32:*.log=00;32:*.tex=00;32:*.doc=00;32:*.aac=00;36:*.au=00;36:*.flac=00;36:*.mid=00;36:*.midi=00;36:*.mka=00;36:*.mp3=00;36:*.mpc=00;36:*.ogg=00;36:*.ra=00;36:*.wav=00;36:*.axa=00;36:*.oga=00;36:*.spx=00;36:*.xspf=00;36:"
MAKEOPTS="-j6"
MANPATH="/etc/java-config-2/current-system-vm/man:/usr/local/share/man:/usr/share/man:/usr/share/binutils-data/x86_64-pc-linux-gnu/2.21.1/man:/usr/share/gcc-data/x86_64-pc-linux-gnu/4.5.3/man:/etc/java-config/system-vm/man/"
MULTILIB_ABIS="amd64 x86"
MULTILIB_STRICT_DENY="64-bit.*shared object"
MULTILIB_STRICT_DIRS="/lib32 /lib /usr/lib32 /usr/lib /usr/kde/*/lib32 /usr/kde/*/lib /usr/qt/*/lib32 /usr/qt/*/lib /usr/X11R6/lib32 /usr/X11R6/lib"
MULTILIB_STRICT_EXEMPT="(perl5|gcc|gcc-lib|binutils|eclipse-3|debug|portage|udev)"
NETBEANS="apisupport cnd groovy gsf harness ide identity j2ee java mobility nb php profiler soa visualweb webcommon websvccommon xml"
OLDPWD="/var/portage/dev-python/pygobject"
OPENGL_PROFILE="xorg-x11"
PAGER="/usr/bin/less"
PATH="/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/opt/bin:/usr/x86_64-pc-linux-gnu/gcc-bin/4.5.3"
PHP_TARGETS="php5-3"
PKGDIR="/usr/portage/packages"
PORTAGE_ARCHLIST="ppc sparc64-freebsd ppc-openbsd x86-openbsd ppc64 x86-winnt x86-fbsd ppc-aix alpha arm x86-freebsd s390 amd64 arm-linux x86-macos x64-openbsd ia64-hpux hppa x86-netbsd x86-cygwin amd64-linux ia64-linux x86 sparc-solaris x64-freebsd sparc64-solaris x86-linux x64-macos sparc m68k-mint ia64 mips ppc-macos x86-interix hppa-hpux amd64-fbsd x64-solaris mips-irix m68k sh x86-solaris sparc-fbsd"
PORTAGE_BINHOST_CHUNKSIZE="3000"
PORTAGE_BIN_PATH="/usr/lib64/portage/bin"
PORTAGE_COMPRESS_EXCLUDE_SUFFIXES="css gif htm[l]? jp[e]?g js pdf png"
PORTAGE_CONFIGROOT="/"
PORTAGE_DEBUG="0"
PORTAGE_DEPCACHEDIR="/var/cache/edb/dep"
PORTAGE_ELOG_CLASSES="log warn error"
PORTAGE_ELOG_MAILFROM="portage@localhost"
PORTAGE_ELOG_MAILSUBJECT="[portage] ebuild log for ${PACKAGE} on ${HOST}"
PORTAGE_ELOG_MAILURI="root"
PORTAGE_ELOG_SYSTEM="save_summary echo"
PORTAGE_FETCH_CHECKSUM_TRY_MIRRORS="5"
PORTAGE_FETCH_RESUME_MIN_SIZE="350K"
PORTAGE_GID="250"
PORTAGE_GPG_SIGNING_COMMAND="gpg --sign --clearsign --yes --default-key "${PORTAGE_GPG_KEY}" --homedir "${PORTAGE_GPG_DIR}" "${FILE}""
PORTAGE_INST_GID="0"
PORTAGE_INST_UID="0"
PORTAGE_PYM_PATH="/usr/lib64/portage/pym"
PORTAGE_RSYNC_OPTS="--recursive --links --safe-links --perms --times --compress --force --whole-file --delete --stats --timeout=180 --exclude=/distfiles --exclude=/local --exclude=/packages"
PORTAGE_RSYNC_RETRIES="-1"
PORTAGE_SANDBOX_COMPAT_LEVEL="16"
PORTAGE_SYNC_STALE="30"
PORTAGE_TMPDIR="/var/tmp"
PORTAGE_VERBOSE="1"
PORTAGE_WORKDIR_MODE="0700"
PORTDIR="/var/portage"
PORTDIR_OVERLAY="/var/lib/layman/aidecoe /var/lib/layman /usr/local/portage"
PRELINK_PATH_MASK="/usr/lib64/libfreebl3.so:/usr/lib64/libnssdbm3.so:/usr/lib64/libsoftokn3.so"
PROFILE_ONLY_VARIABLES="ARCH ELIBC KERNEL USERLAND"
PWD="/etc/portage"
PYTHONDONTWRITEBYTECODE="1"
QT_PLUGIN_PATH="/usr/lib64/kde4/plugins"
RESUMECOMMAND="/usr/bin/wget -c -t 3 -T 60 --passive-ftp -O "${DISTDIR}/${FILE}" "${URI}""
RESUMECOMMAND_RSYNC="rsync -avP "${URI}" "${DISTDIR}/${FILE}""
RESUMECOMMAND_SSH="bash -c "x=\${2#ssh://} ; host=\${x%%/*} ; port=\${host##*:} ; host=\${host%:*} ; [[ \${host} = \${port} ]] && port=22 ; exec rsync --rsh=\"ssh -p\${port}\" -avP \"\${host}:/\${x#*/}\" \"\$1\"" rsync "${DISTDIR}/${FILE}" "${URI}""
ROOT="/"
ROOTPATH="/opt/bin:/usr/x86_64-pc-linux-gnu/gcc-bin/4.5.3"
RPMDIR="/usr/portage/rpm"
RUBY_TARGETS="ruby18"
R_HOME="/usr/lib64/R"
SANE_CONFIG_DIR="/etc/sane.d"
SHELL="/bin/bash"
SHLVL="2"
SSH_AGENT_PID="3662"
SSH_AUTH_SOCK="/tmp/ssh-haLFfSha3661/agent.3661"
STAGE1_USE="multilib nptl nptlonly unicode"
SYMLINK_LIB="yes"
SYNC="rsync://rsync.de.gentoo.org/gentoo-portage"
TERM="xterm"
USB_DEVFS_PATH="/dev/bus/usb"
USE="X a52 aac acl acpi alsa amd64 berkdb bindist bluetooth branding bzip2 cairo cdda cdr cli colord consolekit cracklib crypt cups cxx dbus dri dts dvd dvdr eds emboss encode evo exif fam firefox flac fortran gdbm gdu gif gnome gnome-keyring gpm gstreamer gtk gtk3 iconv ipv6 jpeg lcms ldap libnotify mad mmx mng modules mono mp3 mp4 mpeg mudflap multilib nautilus ncurses nls nptl nptlonly ogg opengl openmp pam pango pcre pdf png policykit ppds pppd qt3support qt4 readline sdl session spell sse sse2 ssl startup-notification svg sysfs tcpd tiff truetype udev unicode usb vorbis x264 xcb xml xorg xulrunner xv xvid zlib" ALSA_CARDS="ali5451 als4000 atiixp atiixp-modem bt87x ca0106 cmipci emu10k1x ens1370 ens1371 es1938 es1968 fm801 hda-intel intel8x0 intel8x0m maestro3 trident usb-audio via82xx via82xx-modem ymfpci" ALSA_PCM_PLUGINS="adpcm alaw asym copy dmix dshare dsnoop empty extplug file hooks iec958 ioplug ladspa lfloat linear meter mmap_emul mulaw multi null plug rate route share shm softvol" APACHE2_MODULES="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 stage tables krita karbon braindump" CAMERAS="ptp2" COLLECTD_PLUGINS="df interface irq load memory rrdtool swap syslog" 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 ubx" INPUT_DEVICES="evdev synaptics" KERNEL="linux" LCD_DEVICES="bayrad cfontz cfontz633 glk hd44780 lb216 lcdm001 mtxorb ncurses text" LINGUAS="en nl" PHP_TARGETS="php5-3" RUBY_TARGETS="ruby18" USERLAND="GNU" VIDEO_CARDS="radeon nouveau" 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"
USER="root"
USERLAND="GNU"
USE_EXPAND="ALSA_CARDS ALSA_PCM_PLUGINS APACHE2_MODULES APACHE2_MPMS CALLIGRA_FEATURES CAMERAS COLLECTD_PLUGINS CROSSCOMPILE_OPTS DRACUT_MODULES DVB_CARDS ELIBC FCDSL_CARDS FOO2ZJS_DEVICES FRITZCAPI_CARDS GPSD_PROTOCOLS GRUB_PLATFORMS INPUT_DEVICES KERNEL LCD_DEVICES LINGUAS LIRC_DEVICES MISDN_CARDS NETBEANS_MODULES NGINX_MODULES_HTTP NGINX_MODULES_MAIL OFED_DRIVERS PHP_TARGETS QEMU_SOFTMMU_TARGETS QEMU_USER_TARGETS RUBY_TARGETS SANE_BACKENDS USERLAND VIDEO_CARDS XFCE_PLUGINS XTABLES_ADDONS"
USE_EXPAND_HIDDEN="CROSSCOMPILE_OPTS ELIBC KERNEL USERLAND"
USE_ORDER="env:pkg:conf:defaults:pkginternal:repo:env.d"
VIDEO_CARDS="radeon nouveau"
XAUTHORITY="/root/.xauthaVNeCV"
XDG_CONFIG_DIRS="/etc/xdg"
XDG_DATA_DIRS="/usr/local/share:/usr/share"
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"
_="/usr/bin/emerge"
Comment 1 Mart Raudsepp gentoo-dev 2011-11-10 21:55:38 UTC
That tool didn't unmask all that's necessary. The package.mask is for
=dev-python/pygobject-2.28.6-r50
You need pygobject-2.28.6-r50 or newer unmasked too - that doesn't install the introspection stuff as pygobject-3 will be doing that, and can co-exist with pygobject-3.
Comment 2 Mart Raudsepp gentoo-dev 2011-11-10 21:57:05 UTC
err, p.mask is for

>=dev-python/pygobject-2.28.6-r50

I wonder if portage --autounmask option would be able to figure that out based on information in the form of the masking atom in profiles/package.mask
Comment 3 Alexandre Rostovtsev (RETIRED) gentoo-dev 2011-11-10 23:17:16 UTC
You need to unmask ">=dev-python/pygobject-2.28.6-r50", which would allow you to do "emerge -1 pygobject:2 pygobject:3".

The "official" gnome3 unmasking configs are available at http://git.overlays.gentoo.org/gitweb/?p=proj/gnome.git;a=tree;f=status/portage-configs
There is also a plan to add an ebuild to portage that would install those configs.

The gentoo gnome team does not support unmasks generated by app-portage/autounmask, "emerge --autounmask-write=y", or any other automatic tool. They are known to on occasion produce amazingly wrong results.

Generally speaking, you should rely on an automatic unmasking tool *only* if you are extremely familiar with its algorithm. Otherwise, you must manually review every line of any configuration file that such a tool generates for sanity and errors.
Comment 4 Tim Mohlmann 2011-11-11 13:11:31 UTC
Thanks, that solved it. I am using a seperate test system so I do not really worry about autounmask.

It basically unmasked all deps for gnome-3.2.1, but did not figure out the collision between pygobject-3.0.2 and pygobject-2.28.6 with the introspection use-flag enabled, hence it did not unmask pygobject-2.28.6-r50.

If I would have found your unmask config files sooner, I would have used those off course. All and all I'm quite happy with the result of autounmask. (I did review all config files).