If you do want to install Qt5 in /usr, the directories need to be The BLFS editors do not recommend installing Qt5 into the /usr hierarchy because itīecomes difficult to find components and to update to a new ItĪlso allows a developer to maintain multiple versions of Installation and users can easily revert to a previous version byĬhanging one symbolic link or merely changing the PATH variable. This method, an update can be made without overwriting a previous Your system and does not allow reverting to an existing, knownĪ custom directory such as /opt/qt-4.8.7 or /opt/qt-5.5.0 is that it keeps all the packageįiles consolidated in a dedicated directory hierarchy. It also precludes having multiple versions of Qt on For instance, it cannot be upgraded from a running KDEĮnvironment. Users is that this Qt instance cannot be upgraded while it is in The packageįiles are distributed within several subdirectories of the Is that no updates to the /etc/ld.so.conf or /etc/man_db.conf files are required. Other systems can be designed, but the BLFS editors find Selection of which version is being used by individual users on a Need to be installed in a separate directory. If both versions of Qt are to be installed, one or both versions You can either install theĬomponents in the several directories of the /usr hierarchy or install the entire package in a If you are only going to install one of the Qt versions, the choice Which set of programs is used is to either control the users' Packages are installed on one system, the only methods to manage That have executable programs with identical names. The fact that there are two versions, Qt4 and Qt5, Support), Harfbuzz-1.0.3, MariaDB-10.0.21 or MySQL, PostgreSQL-9.4.4, PulseAudio-6.0, unixODBC-2.3.2, IBus, and libxkbcommon
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