It describes the installation process of a new Gentoo system in detail. They are nothing I've ever seen in Linux before. Each profile can have a use.mask package.use is typically a single file, however it can also be a directory filled with children files; see the tip below and then man 5 portage for more information on how to use this convention. for the format, and remember to keep them sorted. The reason why -march is not native, is the fact that for distcc you need to specify the flags. or modules. Some flags like css are useless, css is used by one package, if you don't use cinelerra you don't need it. Before introducing a new global USE flag, it must be discussed on the USE-Variables are enabled by simply writing the name of the Variable and disabled by prefixing it with a Minus.. enabled: bash-completion disabled: -bash-completion There are more ways to set USE-Variables: All packages that have an optional KDE dependency will be installed without installing the KDE libraries (as dependency). Gentoo mourns the sudden loss of Kent Fredric, also known to us by his IRC handle kent\n. FEATURES or similar variables configured directly by the user. - list-gentoo-packages.sh I was one of them. use.local.desc is automatically generated from entries in the The profile the system listens to is pointed to by the /etc/portage/make.profile symlink. documented in the profiles/desc/ directory. As previously mentioned, all USE flags are declared inside the USE variable. To view the currently active USE flags (completely), use emerge --info: As can be seen, this variable already contains quite a lot of keywords. Profiles use.desc and use.local.desc Files. Basic concepts on how to implement USE … non-intrusive, do not introduce additional build-time dependencies or cause This ebuild is not an official ebuild approved by Gentoo, but only a guideline for the Gentoo Maintainers. cause all sorts of complications for arch developers. Publish a service on the session bus for controlling xmobar. USE="a" or USE="b" but not with both, then preferring one of On the other hand, x11-misc/xmobar. ! Gentoo - les USE flags Objectifs Description non exhaustive des "flags" que l'on rencontre avec la distribution Gentoo Linux. break, among other issues. Build libboost_locale. Code Listing 2: Using euse // Example: Adding mozilla as a USE flag # euse -E mozilla // Example: Removing mozilla as a USE flag # euse -D mozilla. configuration for the package and re-compilation for no underlying file This is used for the emerge -pv output, amongst other things. Which of these should be changed ? would force the user to spend a lot of time choosing compatible flags When depclean has finished, emerge may prompt to rebuild the applications that are dynamically linked against shared objects provided by possibly removed packages. Add + or - before the name of the use flag in IUSE to turn In this variable one can add the extra USE flags required, or remove the USE flags that are no longer needed. The rest of them should be built unconditionally Alternative to equery list. USE="l10n_en l10n_fr" will automatically be set by Portage. Similarly, say vplayer supports output via the ALSA codec as one option. The current architecture (e.g. As usual I was trying to update my Gentoo system (quite routine check) and found that emerge throwing some problem to me.Here is the output of that problem: bhaskar@bhaskar-laptop_10:19:11_Thu Jan 13:~> sudo emerge --ask --verbose --newuse --deep --update world . upstreams require users to use specific CFLAGS and reject bug reports Now run equery with the uses argument to view the USE flags of a certain package. November 2020. Thread Status: Not open for further replies. Under Gentoo USE-Flags are used to signal the Package-Manager Portage exactly how one wants to have his system configured.. USE flags are used by Gentoo's portage and emerge, to configure which features should be compiled into the software's binary.This allows software installed to have only the features needed by the user leading to a faster more stable environment. This allows a system appropriate for a given environment to be built -- a server, for example, should not typically have an X11 server or sound support, whereas both would be desirable on most desktop systems. DO NOT SET THIS FLAG YOURSELF!, used during original system bootstrapping [make stage2] 220: boundschecking: Adds the bounds checking patch by Haj Ten Brugge, this will DISABLE the hardened PIE+SSP patches: 7: branding: Enable Gentoo specific branding: 54: bsf: Enable support for Apache Bean Scripting Framework (dev-java/bsf) 10: build This conditions ensure that all features and dependencies are complete and that the build will succeed and perform as expected. This is bad because the Packages describing “nls” as local USE flag. USE flags are ever introduced, they can not be global USE flags for this These variables need to be set as CPU_FLAGS_X86 (CPU_FLAGS_ARM, CPU_FLAGS_PPC) variable in /etc/portage/make.conf or in /etc/portage/package.use: When in doubt, consult the flag descriptions using one of the commonly available tools, e.g. REQUIRED_USE="a? files, init.d scripts, logrotate configuration files, systemd service files. To list your USE flags, use euse -i. [gentoo-user-fr] USE Flags. Well, since Gentoo's Portage - unlike most package managers - gives you the flexibility to specify which package versions and configuration (via USE flags) you want, it has a nasty graph-theoretic problem to solve each time you ask to upgrade (and it is mostly written in Python too, which doesn't help ^-^). Each profile works on top of other profiles, and the end result is therefore the sum of all profiles. Password: Linux - Newbie This Linux forum is for members that are new to Linux. SPARC or Alpha. We could The contents of this document, unless otherwise expressly stated, are licensed under the CC-BY-SA-4.0 license. gentoo use flags User Name: Remember Me? etc. The package's ./configure script takes the usual --enable-nls or --disable-nls argument. We're a place where coders share, stay up-to-date and grow their careers. sci-geosciences/gpsd. This forces the user into deciding what they really want and eases the process for Portage to make useful decisions. As we said USE flags are a core feature of Gentoo, and a good understanding of how to deal with them is needed for administering a Gentoo system. for an explanation of the format. x942 Guest. DO NOT SET THIS FLAG YOURSELF!, used for creating build images and the first half of bootstrapping [make stage1] 8: bzip2: Use the bzlib compression library: 52: cairo: Enable support for the cairo graphics library: 24: calendar: Add support for calendars (not using mcal!) preferred flags. This file contains various variables that are used by Portage. Package. Precompiled binaries are available for some larger packages or those with no available source code. GnuTLS is more featureful than OpenSSL, it is favoured: In some exceptional cases, above policy would break reverse USE dependencies. Freehackers once had some pages about gentoo flags: how to set them, which one to choose, and so on. Hardened Gentoo - USE Flags. compile time — any autodetection must be overridden. If it is not in the man pages or the how-to's this is the place! An ncurses based interface to all USE flags should start and you can select them as you like. It stores what needs to be rebuilt in the preserved-rebuild set. If someone defines a certain USE flag, Portage will know that they want support for the chosen keyword. USE flags are to control optional dependencies and settings which January 13, 2011 1 Comment. For instance, to remove support for KDE and Qt but add support for LDAP, the following USE can be defined in /etc/portage/make.conf: Sometimes users want to declare a certain USE flag for one (or a couple) of applications but not system-wide. handle this by doing something like: Except this is pretty nasty — what happens when an AMD64 binary is made ( !b )" in this case. app-text/glark requires ruby no matter what, so no USE In fact, there is a tool dedicated to package information called equery which resides in the app-portage/gentoolkit package. Je suis en train d'installer Gentoo. Gentoo is pretty steep learning curve, but you do learn valuable kernel lessons, as well as USE flags, partitions, etc. gentoo-dev mailing list. This means that fcron will pass through the "fcron" stack before executing the jobs, and fcrontab will use the "fcrontab" stack to authenticate the user … For most people it's just simpler to use a graphical package manager or a quickly-executed command like apt install mpv or dnf -y install mpv (Fedora) and be done in 1 minute. user via post install messages if needed. will automatically be set as a USE flag as well. Choosing an appropriate profile, although not required, is recommended as it sets a number of global and package-specific USE flags to ease installation and ensure a smooth KDE experience. The VIDEO_CARDS, INPUT_DEVICES and L10N variables USE flags may be set manually, or via user-friendly tools such as 'ufed' (USE flag editor), which lists flags along with their description. You might remember me from Gentoo projects such as Forums, LXQt, Qt, and Wine. depending on the relevant packages unconditionally (i.e. This is commonly Gentoo firefox USE flags. [prev in list] [next in list] [prev in thread] [next in thread] List: gentoo-amd64 Subject: Re: [gentoo-amd64] USE flags From: Jan Schubert
Date: 2004-01-04 20:07:03 Message-ID: 3FF87267.2070404 GMX ! file which can be used to forcibly disable certain USE flags on a given x86, sparc, ppc-macos) This is done through the file /etc/make.conf ().Since the Pentium Mobile (Centrino) used in some Thinkpads supports the mmx and sse extensions of the insturuction set, using compile flags can speedup programs quite a bit. package's metadata.xml and may be used by tools that parse the tree. arch (or subarch, or subprofile). Kleinen Auszug über USE-Flags. man emerge. Posted By: Ycarus Overlays problem - 31/07/2013 12:00 GMT needs dev-lang/ruby installed to do this — we use the ruby manually editted in the tree. When writing ebuilds, consider whether Some examples of this REQUIRED_USE expression are given below: Declaring USE flags for individual packages, Adapting the entire system to the new USE flags, https://wiki.gentoo.org/index.php?title=Handbook:X86/Working/USE&oldid=182124, User-defined USE setting as environment variable. It saves state of Portage by looking at its database /var/db/pkg/. Le dimanche 06 Août 2006 à 17:00. What USE flags are required to get a fast loading firefox? 25. Doing so will create extra Setting of USE-Variables. A global USE flag must After you're done, just select Save and you're done. See and/or long build times. Unlike --newuse, the --changed-use option does not trigger reinstallation when flags that the user has not enabled are added or removed. Profiles use.mask File. To remove a flag, use euse -D flag. free software project dedicated to the development of GNOME To rebuild the necessary packages, run: When all this is accomplished, the system is using the new USE flag settings. When using -qt5 some qt5 apps like virtualbox may compile without GUI support, which you may not want. cache variables in autotools) or through Gentoo Linux (/ˈdʒɛn.tu/) est une distribution GNU/Linux dite source. 10-01-2005, 03:20 PM #2: Valhalla. Since use.local.desc is automatically generated it must never be For example, if a package dev-libs/foo can be built with either !internal use only!! In Gentoo, these optional dependencies can be selected by the user using USE flags. So we could do: Again, it's messy, and ALSA still shows up in the emerge -p output. If you would like to skip rebuilds for which disabled flags have been added to or removed from IUSE, see the related --changed-use option. Just starting out and have a question? and wouldn't break anything: Users of non-x86 would see the following when doing Try to set just the USE flags that you know you will need and add others to your package.use when installing packages. USE flags One of the most prominent features of Gentoo is the ability to custom tailor the features of software via USE flags. If your system is based on musl-libc, you need also add -sanitize to the USE flags to disable LLVM’s sanitizers, which won’t compile on musl at the moment. When installing Gentoo (or any other distribution, or even operating system for that matter) users make choices depending on the environment they are working with. Some pointers explanation of the format. Checking for them and returning an error is not a viable solution. are valid use cases for avoiding them. The file Should I re-complie it or use some other trick? Je me demandais juste comment faire pour être sûr que j'ai quelque chose de correct dès le départ (pour pas devoir tout recompiler plus tard) global flag. USE_EXPAND variables. von Gentootier 16. If Gentoo's install-from-source using user-configurable USE flags is for you or not is a very personal choice. Kent was an active member of the Gentoo community for many years. For more information on using these two programs, see man 1 euse and man 8 ufed. li [Download RAW message or body] Chris Wall wrote: > Any particular USE flags for a normal desktop, the x86 install guide > sugge Instead, those files must be installed Discussion in 'all things UNIX' started by x942, Aug 8, 2012. If someone doesn't want to use KDE, why would they bother compiling packages with KDE support if those packages work flawlessly without? Gentoo is a trademark of the Gentoo Foundation, Inc. Remember that this setting only applies for the command entered; re-emerging or updating this application (either explicitly or as part of a system update) will undo the changes that were triggered through the (temporary) USE flag definition. Je suis arrivé au point où je dois configurer les USE-flags. If there is no need for OpenGL, why would someone bother to install and maintain OpenGL and build OpenGL support in most of the packages? The contents of this document, unless otherwise expressly stated, are licensed under the CC-BY-SA-4.0 license. A list of available USE flags is available at the Gentoo website's USE Flag Index. of the alternative solutions described below. Here's why: Consider a hypothetical package named 'vplayer', which plays videos. For instance, to disable bzip2 support in PHP (but have it for all other packages through the USE flag declaration in make.conf): Sometimes users need to set a USE flag for a brief moment. use either SSL with GnuTLS, SSL with OpenSSL, or no SSL at all. To list your USE flags, use euse -i. To change this default setting, add or remove keywords to/from the USE variable. pkg-two, then the flag is not a suitable candidate for being made a A similar case can be made for packages having multiple conditional programs Occasionally, ebuilds will have conflicting USE flags for functionality. For example, it is trivial to blacklist something like PulseAudio by simply including -pulseaudio into your global USE flags. They are a core feature of Gentoo, and a good understanding of how to deal with them is needed for administering a Gentoo system. this patch upstream for the benefit of all users. A gaming workstation differs from a 3D rendering workstation. Gentoo Linux (pronounced / ˈ dʒ ɛ n t uː / JEN-too) is a Linux distribution built using the Portage package management system.Unlike a binary software distribution, the source code is compiled locally according to the user's preferences and is often optimized for the specific type of computer. This must not be modified without discussion on the However, ALSA isn't (or wasn't when this example was written) available on Gentoo has all the time zones at /usr/share/zoneinfo. When using -qt5 some qt5 apps like virtualbox may compile without GUI support, which you may not want. Gentoo Packages Database. Enable Gentoo specific branding: 8: build! To do so, use the --newuse option with emerge: Next, run Portage's depclean to remove the conditional dependencies that were emerged on the "old" system but that have been obsoleted by the new USE flags. 27: 28: So, for now, we have decided to drop gentoo-sources-4.14.x stable keywords. can optionally build with support for the ruby interpreter, and it The specification of USE flags is the usual way to configure programs on Gentoo. This should be avoided and instead can be conveyed to the Once you have chosen what flags to use, navigate to /etc/make.conf and put in the flags you want. The use.desc file contains a list of all global non-expanded USE flags, together with a short description. My biggest frustration/learning curve at … © 2001–2020 Gentoo Foundation, Inc. Gentoo is a trademark of the Gentoo Foundation, Inc. Well, USE flags are pretty situational, so it really depends on what you want/need. The following example temporarily removes the pulseaudio value from the USE variable during the installation of SeaMonkey: Of course there is a certain precedence on what setting has priority over the USE setting. By correctly defining the keywords the system will be tailored specifically to the user's needs. This latter is done by prefixing the keyword with the minus-sign (-). the user may reasonably want to select. Enable Gentoo specific branding: 54: bsf: Enable support for Apache Bean Scripting Framework (dev-java/bsf) 10: build! Vincent Gay . These break use.mask and One of vplayer's optional features is support for the 'fakemedia' codec, As previously mentioned, all USE flags are declared inside the USE variable. I do understand that you either include or exclude them but am not quite sure which ones. Instead, are automatically expanded into USE flags. emerge -pv output, even though it is not actually available. Let's now set up your timezone. USE flags are to control optional dependencies and settings which the user may reasonably want to select. Instructions are always for the latest ebuild. referred to as the dependency being "automagic". November 2020 18. Gentoo Packages Database. To choose your USE flags, check out the Gentoo USE Flags documentation to see what flags you might want to include. !internal use only!! USE flags; rsync mirrors; Documentation. special build system options (e.g. Common mistakes include: There might be corner cases where these rules do not apply. One example comes from the mail-mta/msmtp ebuilds. There are also general notes about my backup system that saves configs and reports within version control system (VSC). One strength of Gentoo is the ability to use global flags for code optimizing. See the comments in these files To find out, we use emerge with the --pretend and --verbose options: emerge isn't the only tool for this job. Remember to apply keyword ~amd64 on all the packages involved, since the features mentioned above are only available in … by default and provide custom-cflags flag to allow users to force their Hallöchen. This setting is a collection of USE flags we think are commonly used by the Gentoo users. This is done globally by defining the USE variable in /etc/portage/make.conf. Open Source means program code can and will be reused. the flags would break packages that depend on either dev-libs/foo[a] Some flags like css are useless, css is used by one package, if you don't use cinelerra you don't need it. This page was last edited on 13 December 2014, at 19:42. package has optional support, via USE flags, for various sound and Remember to keep these files sorted. Package. To accomplish this, edit /etc/portage/package.use. On voit que la version de Firefox installée est la 3.6.17 et que les USE flags activés (en rouge) sont alsa dbus ipc java lib notify, startup-notification et la langue fr (français). To make it easy for users to search and pick USE flags, we already provide a default USE setting. change on disk. which is unfortunately only available as a dodgy x86 binary. To help users in deciding what to install/activate and what not, Gentoo wanted the user to specify his/her environment in an easy way. unconditionally. adding appropriate options to control the dependency in question, and submitting Also, once ALSA starts working on SPARC, every ebuild that does this would Try to set just the USE flags that you know you will need and add others to your package.use when installing packages. 29: We will keep watching 4.14 branch and once the stability/quality matches: 30: our requirements we will restart stabilization. REQUIRED_USE. Nikita Melnichenko: Script that lists all installed Gentoo packages with USE flags. Ceci est géré grâce au logiciel Portage de … The metadata.xml file on each ebuild category contains a list of the local USE flags, together with short description for the package in the said category. global USE flags. equery uses from app-portage/gentoolkit: Most of the flag names match /proc/cpuinfo names, with the notable exception of sse3 which is called pni in /proc/cpuinfo (please also do not confuse it with distinct ssse3). Gentoo Handbook Our most referred to piece of documentation is the Gentoo Handbook. When the kde keyword is defined, then those packages will be compiled with KDE support, and the KDE libraries will be installed as dependency. In order to choose the most suitable profile, first list what's available: Then, select the right profile, substituting Xwith the a… satisfy several criteria: The second point is important. “nls” Flag Description. You should not introduce USE flags that merely manipulate CFLAGS, use.masked on every non-x86 profile, the following would be totally legal Take a look at a specific example: the kde keyword. Gentoo Packages Database. The solution is use.mask, which is documented in © 2001–2020 Gentoo Foundation, Inc. Gentoo is a trademark of the Gentoo Foundation, Inc. Open Source means program code can and will be reused. USE flags. MAKE.CONF Section: Portage (5) Updated: Feb 2021 Index NAME make.conf - custom settings for Portage SYNOPSIS /etc/make.conf and /etc/portage/make.conf DESCRIPTION. After having altered USE flags, the system should be updated to reflect the necessary changes. reason. i know the default USE flags are -debug +gnome +ipv6 +java -mozcalendar -mozdevelop -moznoxft -mozsvg +truetype -xinerama -xprint . Examples of such files are bash completion This is not only true for choosing what packages to install, but also what features a certain package should support. A setup for a server differs from a setup for a workstation. This All USE flags must be described in either use.desc in the Toutefois, certains logiciels disponibles sous forme de paquets précompilés pour différentes architectures peuvent également être utilisés. net-irc/rbot. So nach einer kleinen Zwangspause gibst mal wieder was über Gentoo. Make sure you're root and simply type ufed. For example, app-editors/vim Such a flag is a keyword that embodies support and dependency-information for a certain concept. No combination of USE flags should cause a package to fail to build directory. The following examples assume package.use is a single file. Also, users on other archs will see fakemedia listed in 24. and GLEP 22 The top profile is the base profile (/var/db/repos/gentoo/profiles/base). profiles/ directory or metadata.xml in the package's Automagic dependencies are preferably fixed by preparing a build system patch Looking for the Gentoo Handbook? © 2001–2020 Gentoo Foundation, Inc. Gentoo is a trademark of the Gentoo Foundation, Inc. I just need it to load faster. The Gentoo Name and Logo Usage … The Gentoo Name and Logo Usage … So, if the fakemedia USE flag was For instance, for the gnumeric package: Some ebuilds require or forbid certain combinations of USE flags in order to work properly. the package does not link to it. REQUIRED_USE for a description Nowadays, this kind of information, up-to-date, accurate, and maintained, can be found on the official site PART 1 OF 2; PART 2 HERE: https://www.youtube.com/watch?v=IG_paP7NXYIUSE flags are a core part of the Gentoo operating system.