gnome-tweak-tool-3.18 ebuild lacks libsoup-gnome as a dependency. Trying to launch gnome-tweak-tool without libsoup-gnome either leads to silent failure or error as: "ValueError: Namespace SoupGNOME not available" Reproducible: Always Steps to Reproduce: 1. emerge gnome-tweak-tool 2. Ensure libsoup-gnome is not installed (unless required as a dependency but g-t-t) 3. Try to launch gnome-tweak-tool Actual Results: Crashes silently as user or with "ValueError: Namespace SoupGNOME not available" as root Expected Results: Should launch successfully. emerge --info ================================= Portage 2.2.26 (python 3.4.3-final-0, default/linux/amd64/13.0/no-multilib, gcc-5.3.0, glibc-2.22-r1, 4.3.3-gentoo x86_64) ================================================================= System uname: Linux-4.3.3-gentoo-x86_64-Intel-R-_Core-TM-_i5-4210U_CPU_@_1.70GHz-with-gentoo-2.2 KiB Mem: 8087856 total, 4383116 free KiB Swap: 0 total, 0 free Timestamp of repository gentoo: Mon, 21 Dec 2015 05:00:01 +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: 5.22.1::gentoo dev-lang/python: 2.7.11-r1::gentoo, 3.4.3-r6::gentoo dev-util/cmake: 3.4.1::gentoo dev-util/pkgconfig: 0.29::gentoo sys-apps/baselayout: 2.2::gentoo sys-apps/openrc: 0.19.1::gentoo sys-apps/sandbox: 2.10-r1::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-r1::gentoo sys-devel/binutils: 2.25.1-r1::gentoo sys-devel/gcc: 5.3.0::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.gentoo.org/gentoo-portage priority: -1000 ambasta location: /var/lib/layman/ambasta masters: gentoo priority: 0 sublime-text location: /var/lib/layman/sublime-text sync-type: laymansync sync-uri: git://github.com/DamnWidget/sublime-text.git masters: gentoo priority: 50 ACCEPT_KEYWORDS="amd64 ~amd64" ACCEPT_LICENSE="* -@EULA google-chrome Oracle-BCLA-JavaSE Sublime" CBUILD="x86_64-pc-linux-gnu" CFLAGS="-O2 -pipe -march=native" CHOST="x86_64-pc-linux-gnu" CONFIG_PROTECT="/etc /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/revdep-rebuild /etc/sandbox.d /etc/terminfo" CXXFLAGS="-O2 -pipe -march=native" DISTDIR="/home/portage/distfiles/" EMERGE_DEFAULT_OPTS="--autounmask=n" FCFLAGS="-O2 -pipe" FEATURES="assume-digests binpkg-logs 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://mirror.leaseweb.com/gentoo/ http://gd.tuwien.ac.at/opsys/linux/gentoo/ http://gentoo.inode.at/ http://www.mirrorservice.org/sites/distfiles.gentoo.org/ http://gentoo.gg3.net/" LANG="en_US.utf8" LDFLAGS="-Wl,-O1 -Wl,--as-needed" 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" PORTAGE_TMPDIR="/home/portage/" USE="X acl amd64 bash-completion berkdb bzip2 cli corefonts cracklib crypt cxx dejavu directfb dri foomaticdb gdbm gnome gtk3 iconv infinality lz4 lzma mmx mmxext modules ncurses networkmanager nls nptl ntp openmp pcre ppds pulseaudio python3 readline seccomp session sna sse sse2 ssl systemd tcpd udev unicode xattr zlib" ABI_X86="64" 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" 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="ptp2" COLLECTD_PLUGINS="df interface irq load memory rrdtool swap syslog" CPU_FLAGS_X86="aes avx avx2 fma3 mmx mmxext popcnt sse sse2 sse3 sse4_1 sse4_2 ssse3" 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 synaptics" KERNEL="linux" LCD_DEVICES="bayrad cfontz cfontz633 glk hd44780 lb216 lcdm001 mtxorb ncurses text" LIBREOFFICE_EXTENSIONS="presenter-console presenter-minimizer" LINGUAS="en_US" OFFICE_IMPLEMENTATION="libreoffice" PHP_TARGETS="php5-5" PYTHON_SINGLE_TARGET="python3_4" PYTHON_TARGETS="python3_4 python2_7" RUBY_TARGETS="ruby21" USERLAND="GNU" VIDEO_CARDS="intel i965" 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, LC_ALL, PORTAGE_BUNZIP2_COMMAND, PORTAGE_COMPRESS, PORTAGE_COMPRESS_FLAGS, PORTAGE_RSYNC_EXTRA_OPTS, USE_PYTHON
indeed. This API moved to libsoup long ago but it seems it is still used from libsoup-gnome here.
commit fbe947d1c9b11de4bd728f0d1bc92757a4f11b52 Date: Tue Dec 22 08:58:27 2015 +0100 gnome-extra/gnome-tweak-tool: add missing libsoup-gnome RDEPEND, bug #569014 Thanks for reporting.