Re: [gentoo-user] Can't figure out gcc-4.9 blocker

[Alan McKinnon]

On 13/05/2016 20:53, Grant Edwards wrote:
> I did my normal sync/update today, and emerge says it can't update because
>
>  [blocks B      ] <sys-devel/gcc-4.9 ("<sys-devel/gcc-4.9" is blocking sys-devel/gcc-4.9.3)
>
> Huh?
>
> gcc4.9.3 is already installed:


This looks like the exact problem reported by Meino on the 10th
(Subject: is about a glitch in the matrix) - well worth reading that
thread first.


end result is it's due to changed behaviour in the multislot USE flag
for gcc




>
>   $ equery list --duplicates gcc
>    * Searching for gcc ...
>   [IP-] [  ] sys-devel/gcc-4.3.6-r1:4.3
>   [IP-] [  ] sys-devel/gcc-4.5.4:4.5.4
>   [IP-] [  ] sys-devel/gcc-4.6.4:4.6.4
>   [IP-] [  ] sys-devel/gcc-4.9.3:4.9.3
>
> Why did emerge suddenly decide gcc-4.9.3 can't be installed?
>
> Where does the "<sys-devel/gcc-4.9" come from?  It's not in any of my
> portage configuration files.
>
> I've read the Wiki page pointed to by the emerge output, and didn't
> find it enlightening.
>
>
>
> Complete Output from emerge command:
>
> ------------------------------------------------------------------------
> alpha grante # emerge -auvND world
>
> These are the packages that would be merged, in order:
>
> Calculating dependencies... done!
> [ebuild   R    ] sys-devel/gcc-4.9.3:4.9.3::gentoo  USE="cxx fortran gcj (multilib) nls nptl openmp sanitize vtv (-altivec) (-awt) -cilk -debug -doc (-fixed-point) -go -graphite (-hardened) (-libssp) -multislot* -nopie -nossp -objc -objc++ -objc-gc -regression-test -vanilla" 0 KiB
> [ebuild   R    ] sys-devel/gcc-4.5.4:4.5.4::gentoo  USE="cxx fortran gcj (multilib) nls nptl openmp (-altivec) (-awt) -debug -doc (-fixed-point) (-hardened) (-libssp) -mudflap -multislot* -objc -objc++ -objc-gc -regression-test -vanilla" 0 KiB
> [ebuild   R    ] app-text/hunspell-1.3.3::gentoo  USE="ncurses nls readline -static-libs" LINGUAS="-af -bg -ca -cs -cy -da -de -de_1901% -el -en -eo -es -et -fo -fr -ga -gl -he -hr -hu -ia -id -is -it -km -ku -lt -lv -mk -ms -nb -nl -nn -pl -pt -pt_BR -ro -ru -sk -sl -sq -sv -sw -tn -uk -zu" 0 KiB
> [ebuild     U  ] gnome-base/librsvg-2.40.15:2::gentoo [2.40.13:2::gentoo] USE="introspection -tools -vala" ABI_X86="32 (64) (-x32)" 0 KiB
> [ebuild     U  ] dev-lang/php-5.6.21:5.6::gentoo [5.6.20:5.6::gentoo] USE="berkdb bzip2 cgi cli crypt ctype fileinfo filter gd gdbm hash iconv imap ipv6 json nls opcache phar posix readline session simplexml ssl tokenizer unicode xml zlib -apache2 -bcmath -calendar -cdb -cjk -curl -debug -embed -enchant -exif (-firebird) -flatfile -fpm (-frontbase) -ftp -gmp -inifile -intl -iodbc -kerberos -ldap -ldap-sasl -libedit -libmysqlclient (-libressl) -mhash -mssql -mysql -mysqli -oci8-instant-client -odbc -pcntl -pdo -postgres -qdbm -recode (-selinux) -sharedmem -snmp -soap -sockets -spell -sqlite -sybase-ct -systemd -sysvipc -threads -tidy -truetype -vpx -wddx -xmlreader -xmlrpc -xmlwriter -xpm -xslt -zip" 0 KiB
> [ebuild     U ~] www-client/google-chrome-50.0.2661.102::gentoo [50.0.2661.94::gentoo] USE="plugins" LINGUAS="am ar bg bn ca cs da de el en_GB es es_LA et fa fake_bidi fi fil fr gu he hi hr hu id it ja kn ko lt lv ml mr ms nb nl pl pt_BR pt_PT ro ru sk sl sr sv sw ta te th tr uk vi zh_CN zh_TW" 0 KiB
> [ebuild     U  ] www-client/firefox-38.8.0::gentoo [38.7.0::gentoo] USE="gmp-autoupdate jemalloc3 jit minimal -bindist -custom-cflags -custom-optimization -dbus -debug -egl -gstreamer -gstreamer-0 -hardened (-neon) (-pgo) -pulseaudio (-selinux) -startup-notification (-system-cairo) -system-icu -system-jpeg -system-libvpx -system-sqlite {-test} -wifi" LINGUAS="-af -ar -as -ast -be -bg -bn_BD -bn_IN -br -bs -ca -cs -cy -da -de -el -en_GB -en_ZA -eo -es_AR -es_CL -es_ES -es_MX -et -eu -fa -fi -fr -fy_NL -ga_IE -gd -gl -gu_IN -he -hi_IN -hr -hu -hy_AM -id -is -it -ja -kk -km -kn -ko -lt -lv -mai -mk -ml -mr -nb_NO -nl -nn_NO -or -pa_IN -pl -pt_BR -pt_PT -rm -ro -ru -si -sk -sl -son -sq -sr -sv_SE -ta -te -th -tr -uk -vi -xh -zh_CN -zh_TW" 0 KiB
> [ebuild     U  ] app-office/libreoffice-5.1.2.2::gentoo [5.0.5.2::gentoo] USE="branding cups gtk java (-aqua) -bluetooth (-coinmp) -collada -dbus -debug -eds (-firebird) -gltf -gnome -gstreamer (-gtk3) -jemalloc -kde (-libressl) -mysql -odk -postgres (-telepathy) {-test} -vlc" LIBREOFFICE_EXTENSIONS="-nlpsolver -scripting-beanshell -scripting-javascript -wiki-publisher" PYTHON_SINGLE_TARGET="python2_7 -python3_4 (-python3_5)" PYTHON_TARGETS="python2_7 python3_4 (-python3_5)" 0 KiB
> [blocks B      ] <sys-devel/gcc-4.9 ("<sys-devel/gcc-4.9" is blocking sys-devel/gcc-4.9.3)
>
> Total: 8 packages (5 upgrades, 3 reinstalls), Size of downloads: 0 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.
>
>   (sys-devel/gcc-4.9.3:4.9.3/4.9.3::gentoo, ebuild scheduled for merge) pulled in by
>     sys-devel/gcc required by @system
>     sys-devel/gcc[gcj] required by (app-text/pdftk-2.02:0/0::gentoo, installed)
>     >=sys-devel/gcc-4.9.3 required by (dev-java/icedtea-bin-7.2.6.6-r1:7/7::gentoo, installed)
>
>   (sys-devel/gcc-4.5.4:4.5.4/4.5.4::gentoo, ebuild scheduled for merge) pulled in by
>     sys-devel/gcc:4.5.4 required by @selected
>
>   (sys-devel/gcc-4.3.6-r1:4.3/4.3::gentoo, installed) pulled in by
>     sys-devel/gcc:4.3 required by @selected
>
>   (sys-devel/gcc-4.6.4:4.6.4/4.6.4::gentoo, installed) pulled in by
>     sys-devel/gcc:4.6.4 required by @selected
>
>
> For more information about Blocked Packages, please refer to the following
> section of the Gentoo Linux x86 Handbook (architecture is irrelevant):
>
> https://wiki.gentoo.org/wiki/Handbook:X86/Working/Portage#Blocked_packages
>
>
>


-- 
Alan McKinnon
alan.mckinnon@×××××.com