User:Kentnl/Tips/Fixing slot conflicts
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TL;DR version
- See a slot conflict error
!!! Multiple package instances within a single package slot have been pulled !!! into the dependency graph, resulting in a slot conflict
- Have a good cry over it
- Find one "Target" in the problem group:
dev-libs/boost:0 (dev-libs/boost-1.65.0:0/1.65.0::gentoo, installed) pulled in by >=dev-libs/boost-1.50.0:0/1.65.0=[threads(+)] required by (media-gfx/povray-3.7.0.0-r1:0/0::gentoo, installed) ^^^^^^^^^^ dev-libs/boost:0/1.65.0=[python,python_targets_python3_6(-),-python_single_target_python2_7(-),-python_single_target_python3_5(-),-python_single_target_python3_6(-)] required by (net-libs/libtorrent-rasterbar-1.1.13:0/9::gentoo, installed) ^^^^^^^^^^ dev-libs/boost:0/1.65.0=[nls] required by (app-office/libreoffice-6.2.4.2:0/0::gentoo, installed) ^^^^^^^^^^ dev-libs/boost:0/1.65.0= required by (dev-cpp/libcmis-0.5.2-r1:0.5/0.5::gentoo, installed) ^^^^^^^^^^ dev-libs/boost:0/1.65.0= required by (dev-libs/liborcus-0.14.1:0/0.14::gentoo, installed) ^^^^^^^^^^ >=dev-libs/boost-1.62.0-r1:0/1.65.0= required by (net-p2p/qbittorrent-9999:0/0::gentoo, installed) ^^^^^^^^^^ >=dev-libs/boost-1.42:0/1.65.0= required by (sys-fs/e4rat-0.2.4_pre20141201-r1:0/0::gentoo, installed) ^^^^^^^^^^ dev-libs/boost:0/1.65.0= required by (media-gfx/luminance-hdr-2.5.1-r1:0/0::gentoo, installed) ^^^^^^^^^^ dev-libs/boost:0/1.65.0= required by (dev-util/mdds-1.4.3:1/1.4::gentoo, installed) ^^^^^^^^^^ dev-libs/boost:0/1.65.0=[abi_x86_32(-),abi_x86_64(-),threads] required by (net-libs/nghttp2-1.39.1:0/1.14::gentoo, installed) ^^^^^^^^^^ dev-libs/boost:0/1.65.0=[threads] required by (net-libs/libtorrent-rasterbar-1.1.13:0/9::gentoo, installed) ^^^^^^^^^^ dev-libs/boost:0/1.65.0= required by (dev-libs/libixion-0.14.1:0/0.14::gentoo, installed) ^^^^^^^^^^ (dev-libs/boost-1.70.0:0/1.70.0::gentoo, ebuild scheduled for merge) pulled in by >=dev-libs/boost-1.65.1:= required by (sys-fs/cryfs-0.10.2:0/0::gentoo, ebuild scheduled for merge) ^^ ^^^^^^ - Work out what "final slot" you want to have insalled
(dev-libs/boost-1.65.0:0/1.65.0::gentoo, installed) (dev-libs/boost-1.70.0:0/1.70.0::gentoo, ebuild scheduled for merge) ^^^^^^ - Find all the packages installed that need to reinstalled to satisfy the above
qdepends -Qqq -F '%{CAT}/%{PN}:%{SLOT}' ^dev-libs/boost:0/1.70.0 app-office/libreoffice:0 media-gfx/luminance-hdr:0 media-gfx/povray:0 net-p2p/qbittorrent:0 sys-fs/e4rat:0 sys-fs/cryfs:0 dev-libs/liborcus:0 dev-libs/libixion:0 dev-cpp/libcmis:0.5 dev-util/mdds:1 net-libs/libtorrent-rasterbar:0 net-libs/nghttp2:0Note: The
^is significant, as is using the package inCAT/PN:SLOT/SUBSLOTsyntax. Retaining a package version will break things.
- Plead with portage to consider just those packages for reinstallation
emerge --ignore-default-opts -va1 $( qdepends -CQqqF'%{CAT}/%{PN}:%{SLOT}' '^dev-libs/boost:0/1.70.0' ) These are the packages that would be merged, in order: Calculating dependencies... done! [ebuild N ] dev-util/gperf-3.1::gentoo 0 KiB [ebuild N ] sys-devel/autoconf-archive-2019.01.06::gentoo 0 KiB [ebuild N ] dev-libs/libatomic_ops-7.6.10::gentoo ABI_X86="32 (64) (-x32)" 0 KiB [ebuild N ] dev-util/re2c-1.1.1::gentoo 0 KiB [ebuild N ] dev-util/cppunit-1.14.0::gentoo USE="-doc -examples -static-libs" ABI_X86="32 (64) (-x32)" 0 KiB [ebuild N ] dev-util/boost-build-1.70.0::gentoo USE="-examples -python -test" PYTHON_TARGETS="-python2_7" 95,593 KiB [ebuild N ] sys-devel/ucpp-1.3.4::gentoo USE="-static-libs" 0 KiB [ebuild N ] app-portage/elt-patches-20170826.1::gentoo 0 KiB [ebuild N ] dev-perl/SUPER-1.201.411.170::gentoo USE="test" 0 KiB [ebuild N ] dev-perl/Test-MockModule-0.130.0::gentoo USE="test" 0 KiB [ebuild N ] dev-perl/Archive-Zip-1.640.0::gentoo USE="test -examples" 0 KiB [ebuild U ] dev-libs/boost-1.70.0:0/1.70.0::gentoo [1.65.0:0/1.65.0::gentoo] USE="bzip2%* nls python threads zlib%* -context -debug -doc -icu -lzma% -mpi -numpy% -static-libs -tools -zstd%" ABI_X86="32 (64) (-x32)" PYTHON_TARGETS="python2_7 python3_6 python3_7%* -python3_5" 0 KiB [ebuild R ] dev-util/mdds-1.4.3:1/1.4::gentoo USE="-doc -valgrind" 0 KiB [ebuild R ] net-libs/libtorrent-rasterbar-1.1.13:0/9::gentoo USE="dht python ssl -debug -doc -examples -libressl -static-libs -test" PYTHON_TARGETS="python3_6 -python2_7 -python3_5" 0 KiB [ebuild R ] dev-libs/libixion-0.14.1:0/0.14::gentoo USE="threads -debug -python -static-libs" PYTHON_SINGLE_TARGET="python3_7 -python3_5 -python3_6" PYTHON_TARGETS="python3_6 python3_7 -python3_5" 0 KiB [ebuild R ] dev-libs/liborcus-0.14.1:0/0.14::gentoo USE="spreadsheet-model -python -static-libs -tools" PYTHON_SINGLE_TARGET="python3_7 -python3_5 -python3_6" PYTHON_TARGETS="python3_6 python3_7 -python3_5" 0 KiB [ebuild N ] dev-util/ninja-1.9.0::gentoo USE="vim-syntax -doc -emacs -test" 0 KiB [ebuild R ] net-libs/nghttp2-1.39.1:0/1.14::gentoo USE="cxx threads -debug -hpack-tools -jemalloc -libressl -static-libs -test -utils -xml" ABI_X86="32 (64) (-x32)" 0 KiB [ebuild R ] dev-cpp/libcmis-0.5.2-r1:0.5::gentoo USE="-man -static-libs -test -tools" 0 KiB [ebuild R *] net-p2p/qbittorrent-9999::gentoo USE="X dbus webui -debug" 0 KiB [ebuild N ] dev-util/intltool-0.51.0-r2::gentoo 0 KiB [ebuild N ] app-crypt/rhash-1.3.8::gentoo USE="nls ssl -debug -libressl -static-libs" ABI_X86="32 (64) (-x32)" 0 KiB [ebuild N ] dev-util/cmake-3.14.5::gentoo USE="ncurses qt5 -doc -emacs -system-jsoncpp -test" 0 KiB [ebuild R ] app-office/libreoffice-6.2.4.2::gentoo USE="branding dbus gtk mariadb -accessibility -bluetooth -coinmp -cups -debug -eds -firebird -googledrive -gstreamer -gtk2 -java -kde -ldap -odk -pdfimport -postgres -test -vlc" LIBREOFFICE_EXTENSIONS="-nlpsolver -scripting-beanshell -scripting-javascript -wiki-publisher" PYTHON_SINGLE_TARGET="python3_7 -python2_7 -python3_5 -python3_6" PYTHON_TARGETS="python3_6 python3_7 -python2_7 -python3_5" 0 KiB [ebuild R ] sys-fs/e4rat-0.2.4_pre20141201-r1::gentoo 0 KiB [ebuild U ] sys-fs/cryfs-0.10.2::gentoo [0.9.9::gentoo] USE="-custom-optimization -debug% -libressl -test (-update-check%)" 7,718 KiB [ebuild R ] media-gfx/povray-3.7.0.0-r1::gentoo USE="X io-restrictions tiff -debug -openexr -static-libs -test" 0 KiB [ebuild R ] media-gfx/luminance-hdr-2.5.1-r1::gentoo USE="openmp -fits -test" CPU_FLAGS_X86="sse2" L10N="-cs -de -es -fi -fr -hi -hu -id -it -pl -ro -ru -sk -tr -zh" 0 KiB Total: 28 packages (2 upgrades, 15 new, 11 reinstalls), Size of downloads: 103,310 KiB WARNING: One or more updates/rebuilds have been skipped due to a dependency conflict: net-libs/libtorrent-rasterbar:0 (net-libs/libtorrent-rasterbar-1.2.1:0/9::gentoo, ebuild scheduled for merge) conflicts with =net-libs/libtorrent-rasterbar-1.1*:0= required by (net-p2p/qbittorrent-9999:0/0::gentoo, ebuild scheduled for merge) ^ ^^^^ Would you like to merge these packages? [Yes/No] - Observe that the thing that needed upgrading can now be upgraded, the things that need to be rebuilt are scheduled to be rebuilt, and portage now provides a merge plan.
- Praise jebus?
Note: this strategy won't always work for all cases, but it gets portage past the stupid problems it should be quite capable of its own and thus reduces you to solving the RealProblems™
Caveats
- You need
>=app-portage/portage-utils-0.80_pre20190620 - Some packages my fail to do any upgrades without additional hand-holding, despite producing a merge plan:
merge --ignore-default-opts -va1 --keep-going $( qdepends -CQqqF '%{CAT}/%{PN}:%{SLOT}' '^media-gfx/imagemagick:0/7.0.8.50' ) These are the packages that would be merged, in order: Calculating dependencies... done! [ebuild R ] media-gfx/uniconvertor-2.0_pre379-r2::gentoo PYTHON_TARGETS="python2_7" 0 KiB Total: 1 package (1 reinstall), Size of downloads: 0 KiB Would you like to merge these packages? [Yes/No] nJust yell at portage some more:emerge --ignore-default-opts -va1 --keep-going $( qdepends -CQqqF '%{CAT}/%{PN}:%{SLOT}' '^media-gfx/imagemagick:0/7.0.8.50' ) media-gfx/imagemagickThese are the packages that would be merged, in order:
Calculating dependencies... done! [ebuild U ] media-gfx/imagemagick-7.0.8.50:0/7.0.8.50::gentoo [7.0.8.49:0/7.0.8.49::gentoo] USE="X bzip2 corefonts cxx fftw fontconfig graphviz hdri jpeg jpeg2k lcms lqr lzma openexr openmp pango perl png postscript raw svg tiff truetype webp wmf xml zlib -djvu -fpx -heif -jbig -opencl -q32 -q8 -static-libs -test" 9,232 KiB [ebuild R ] media-gfx/uniconvertor-2.0_pre379-r2::gentoo PYTHON_TARGETS="python2_7" 0 KiB
Total: 2 packages (1 upgrade, 1 reinstall), Size of downloads: 9,232 KiB
Would you like to merge these packages? [Yes/No] y