| USE-Flag | Description | used |
|---|
| 3dfx | Enable support for Voodoo chipsets, also called as 3DFX and TDFX | 9 |
| 3dnow | Adds support for 3dnow multimedia processor instructions | 15 |
| X | Adds support for X11 | 300 |
| Xaw3d | Adds support for the 3d athena widget set | 16 |
| a52 | Enables support for decoding ATSC A/52 streams used in DVD | 8 |
| aac | Enables support for MPEG-4 AAC Audio | 29 |
| aalib | Adds support for media-libs/aalib (ASCII-Graphics Library) | 15 |
| accessibility | Adds support for accessibility (eg 'at-spi' library) | 11 |
| acl | Adds support for Access Control Lists | 15 |
| acpi | Adds support for Advanced Configuration and Power Interface | 14 |
| adabas | Adds support for the Adabas database engine | 0 |
| adns | Adds support for the adns DNS client library | 3 |
| afs | Adds OpenAFS support (distributed file system) | 6 |
| aim | Enable AIM IM protocol support | 1 |
| alsa | Adds support for media-libs/alsa-lib (Advanced Linux Sound Architecture) | 174 |
| altivec | Adds support for optimizations for G4 and G5/ppc970 processors | 22 |
| ao | Use libao audio output library for sound playback | 14 |
| apache2 | Add Apache2 support | 6 |
| apm | Adds APM (Advanced Power Management) support | 6 |
| arts | Adds support for aRts: the KDE sound daemon | 64 |
| atm | Enable Asynchronous Transfer Mode protocol support | 7 |
| audiofile | Adds support for libaudiofile where applicable | 12 |
| avahi | Add avahi/Zeroconf support | 27 |
| bash-completion | Enable bash-completion support | 4 |
| bcmath | Adds support for libbcmath | 0 |
| berkdb | Adds support for sys-libs/db (Berkeley DB for MySQL) | 42 |
| bidi | Enables bidirectional language support | 7 |
| bindist | Flag to enable or disable options for prebuilt (GRP) packages (eg. due to licensing issues) | 27 |
| birdstep | Adds support for the Birdstep Database Server | 0 |
| blas | Adds support for the virtual/blas numerical library | 6 |
| bluetooth | Enables Bluetooth Support | 21 |
| bootstrap | !!internal use only!! DO NOT SET THIS FLAG YOURSELF!, used during original system bootstrapping [make stage2] | 8 |
| boundschecking | Adds the bounds checking patch by Haj Ten Brugge, this will DISABLE the hardened PIE+SSP patches | 0 |
| branding | Enable Gentoo specific branding | 7 |
| build | !!internal use only!! DO NOT SET THIS FLAG YOURSELF!, used for creating build images and the first half of bootstrapping [make stage1] | 30 |
| bzip2 | Use the bzlib compression library | 28 |
| cairo | Enable support for the cairo graphics library | 19 |
| calendar | Adds support for calendars (not using mcal!) | 2 |
| canna | Adds support for the Canna kana to kanji conversion engine | 8 |
| caps | Use Linux capabilities library to control privilege | 11 |
| cdb | Adds support for the CDB database engine from the author of qmail | 2 |
| cddb | Access cddb servers to retrieve and submit information about compact disks | 9 |
| cdinstall | Copies files from the CD rather than asking the user to copy them, mostly used with games | 15 |
| cdparanoia | Enables cdparanoia (audio CD ripper) support | 6 |
| cdr | Adds support for CD writer hardware | 7 |
| cgi | Add CGI script support | 6 |
| chasen | Enable chasen (Japanese Morphological Analysis System) support | 2 |
| cjk | Adds support for Multi-byte character languages (Chinese, Japanese, Korean) | 33 |
| clamav | Adds support for Clam AntiVirus software (usually with a plugin) | 10 |
| cracklib | Support for cracklib strong password checking | 6 |
| crypt | Add support for encryption -- using mcrypt or gpg where applicable | 72 |
| cscope | Enables cscope interface -- in vim for example | 0 |
| css | Enables ripping of encrypted DVDs | 5 |
| ctype | Enables ctype functions | 0 |
| cups | Add support for CUPS (Common Unix Printing System) | 36 |
| curl | Adds support for client-side URL transfer library | 26 |
| curlwrappers | Adds support for using curl in streams | 0 |
| cvs | Enable CVS (Concurrent Versions System) integration | 6 |
| cxx | Builds support for C++ (bindings, extra libraries, code generation, ...) | 7 |
| db2 | Enables support for IBM DB2 database server | 0 |
| dbase | Adds support for dbase file format | 0 |
| dbm | Adds support for generic DBM databases | 5 |
| dbmaker | Adds support for dbmaker database server | 0 |
| dbus | Enable dbus support for anything that needs it (gpsd, gnomemeeting, etc) | 62 |
| dbx | Adds database abstraction layer | 1 |
| debug | Enable extra debug codepaths, like asserts and extra output. If you want to get meaningful backtraces see http://www.gentoo.org/proj/en/qa/backtraces.xml | 912 |
| dedicated | Adds support for dedicated game servers (some packages do not provide clients and servers at the same time) | 31 |
| dga | Adds DGA (Direct Graphic Access) support for X | 15 |
| directfb | Adds support for DirectFB layer (library for FB devices) | 14 |
| djvu | support DjVu, a PDF-like document format esp. suited for scanned documents | 5 |
| doc | Adds extra documentation (API, Javadoc, etc) | 1090 |
| dri | Enable direct rendering: used for accelerated 3D and some 2D, like DMA | 13 |
| dts | Enables DTS Coherent Acoustics decoder support | 6 |
| dv | Enables support for a codec used by many camcorders | 7 |
| dvb | Adds support for DVB (Digital Video Broadcasting) | 9 |
| dvd | Adds support for DVDs | 13 |
| dvdr | Adds support for DVD writer hardware (e.g. in xcdroast) | 10 |
| dvdread | Enables usage of Ogle's libdvdread for DVD playback | 2 |
| eds | Enables support for Evolution-Data-Server (EDS) | 13 |
| emacs | Adds support for GNU Emacs | 84 |
| emboss | Adds support for the European Molecular Biology Open Software Suite | 6 |
| empress | Adds support for the Empress database server | 0 |
| empress-bcs | Adds local access support for the Empress database server | 0 |
| encode | Adds support for encoding of audio or video files | 24 |
| enscript | Add enscript support to colourize code stored in the repository | 4 |
| esd | Adds support for media-sound/esound (Enlightened Sound Daemon) | 77 |
| esoob | Adds support for Easysoft OOD database | 0 |
| evo | Adds support for mail-client/evolution | 7 |
| examples | Install examples, usually source code | 301 |
| exif | Adds support for reading EXIF headers from JPEG and TIFF images | 17 |
| expat | Enable the use of dev-libs/expat for XML parsing | 16 |
| fam | Enable FAM (File Alteration Monitor) support | 21 |
| fastcgi | Add support for the FastCGI interface | 10 |
| fbcon | Adds framebuffer support for the console, via the kernel | 25 |
| ffmpeg | Enable ffmpeg-based audio/video codec support | 36 |
| fftw | Use FFTW library for computing Fourier transforms | 23 |
| firebird | Adds support for the Firebird relational database | 15 |
| firefox | Build against Firefox instead of Seamonkey/Mozilla | 11 |
| flac | Adds support for FLAC: Free Lossless Audio Codec | 58 |
| flatfile | Adds dbm support for flat files | 1 |
| fltk | Adds support for the Fast Light Toolkit gui interface | 9 |
| fontconfig | Support for configuring and customizing font access via media-libs/fontconfig | 4 |
| foomaticdb | Adds support for the foomatic printing driver database | 4 |
| fortran | Adds support for fortran (formerly f77) | 11 |
| freetds | Adds support for the TDS protocol to connect to MSSQL/Sybase databases | 2 |
| freewnn | Adds support for FreeWnn kana to kanji conversion engine | 4 |
| frontbase | Adds support for the frontbase sql server | 0 |
| ftp | Adds FTP (File Transfer Protocol) support | 2 |
| gcj | Enable building with gcj (The GNU Compiler for the Javatm Programming Language) | 1 |
| gd | Adds support for media-libs/gd (to generate graphics on the fly) | 18 |
| gd-external | Use the external version of gd rather than the bundled one (possibly dangerous) | 0 |
| gdbm | Adds support for sys-libs/gdbm (GNU database libraries) | 28 |
| geoip | Add geoip support for country and city lookup based on IPs | 9 |
| ggi | Adds support for media-libs/libggi (non-X video api/drivers) | 11 |
| gif | Adds GIF image support | 33 |
| gimp | Build a plugin for the GIMP | 7 |
| ginac | Adds sci-mathematics/ginac (symbolic math) support | 2 |
| glut | Build an OpenGL plugin using the GLUT library | 3 |
| gmp | Adds support for dev-libs/gmp (GNU MP library) | 16 |
| gnome | Adds GNOME support | 132 |
| gnome-keyring | Enable support for storing passwords via gnome-keyring | 11 |
| gnuplot | Enable support for gnuplot (data and function plotting) | 6 |
| gnustep | Adds integration with GNUstep environment | 1 |
| gnutls | Adds support for net-libs/gnutls (TLS 1.0 and SSL 3.0 support) | 51 |
| gphoto2 | Adds digital camera support | 8 |
| gpm | Adds support for sys-libs/gpm (Console-based mouse driver) | 26 |
| gps | Adds support for Global Positioning System | 4 |
| graphviz | Adds support for the Graphviz library | 7 |
| gsl | Use the GNU scientific library for calculations | 6 |
| gstreamer | Adds support for media-libs/gstreamer (Streaming media) | 24 |
| gtk | Adds support for x11-libs/gtk+ (The GIMP Toolkit) | 200 |
| gtkhtml | Adds support for gnome-extra/gtkhtml | 5 |
| guile | Adds support for the guile Scheme interpreter | 11 |
| hal | Enable Hardware Abstraction Layer (HAL) support | 40 |
| hardened | activate default security enhancements for toolchain (gcc, glibc, binutils) | 16 |
| hddtemp | Enable monitoring of hdd temperature (app-admin/hddtemp) | 5 |
| hdf5 | Adds support for the Hierarchical Data Format v5 | 6 |
| htmlhandbook | Enable HTML handbooks generation for KDE4. | 118 |
| ibm | Add support for IBM ppc64 specific systems | 4 |
| iconv | Enable support for the iconv character set conversion library | 17 |
| icq | Enable ICQ IM protocol support | 1 |
| idn | Enable support for Internationalized Domain Names | 13 |
| ieee1394 | Enable FireWire/iLink IEEE1394 support (dv, camera, ...) | 9 |
| imagemagick | Enables support for Imagemagick (image converter) | 25 |
| imap | Adds support for IMAP (Internet Mail Application Protocol) | 5 |
| imlib | Adds support for imlib, an image loading and rendering library | 18 |
| inifile | Adds dbm support for .ini files | 0 |
| innodb | Adds innodb support for mySQL (transaction support) | 1 |
| interbase | Adds support for Interbase database | 0 |
| iodbc | Adds support for iODBC library | 6 |
| ipod | Enable support for iPod device access | 8 |
| ipv6 | Adds support for IP version 6 | 200 |
| jabber | Enable jabber IM protocol support | 9 |
| jack | Adds support for the JACK Audio Connection Kit | 62 |
| java | Adds support for Java | 55 |
| java5 | Use Java 1.5 to build package || ( reduced deps, 1.5 features, source/target 1.5 ) | 5 |
| java6 | Use Java 1.6 to build package || ( reduced deps, 1.6 features, source/target 1.6 ) | 5 |
| javascript | Enables javascript support | 7 |
| jbig | enables jbig-kit support for tiff, Hylafax, ImageMagick, etc | 4 |
| jingle | Enables voice calls for jabber | 4 |
| joystick | Add support for joysticks in all packages | 21 |
| jpeg | Adds JPEG image support | 103 |
| jpeg2k | Support for JPEG 2000, a wavelet-based image compression format | 11 |
| kde | Adds support for kde-base/kde (K Desktop Enviroment) | 64 |
| kdeenablefinal | EXPERIMENTAL: KDE ebuilds will use the enable-final flag, yielding compilation speedups at the cost of heavy mem usage and potentially causing problems. We strongly discourage setting this | 12 |
| kdehiddenvisibility | Makes KDE symbols hidden by default, requires GCC 4.1 (experimental) | 153 |
| kerberos | Adds kerberos support | 50 |
| kolab | Adds support for the Kolab groupware server | 3 |
| krb4 | Adds optional kerberos 4 compatibility support | 5 |
| ladcca | Adds Linux Audio Developer's Configuration and Connection API support (LADCCA) - DEPRECATED, will be replaced by lash | 3 |
| ladspa | Enables the ability to support ladspa plugins | 11 |
| lame | Prefer using LAME libraries for MP3 encoding support | 10 |
| lapack | Adds support for the virtual/lapack numerical library | 7 |
| lash | Adds LASH Audio Session Handler support | 11 |
| latex | Adds support for LaTeX (typesetting package) | 16 |
| lcms | Adds lcms support (color management engine) | 10 |
| ldap | Adds LDAP support (Lightweight Directory Access Protocol) | 94 |
| libcaca | Add support for colored ASCII-art graphics | 5 |
| libedit | Use the libedit library (replacement for readline) | 6 |
| libgda | Adds GNOME Data Access support | 2 |
| libnotify | Enable desktop notification support | 30 |
| libsamplerate | Build with support for converting sample rates using libsamplerate | 15 |
| libwww | Adds libwww support (General purpose WEB API) | 7 |
| lirc | Adds support for lirc (Linux's Infra-Red Remote Control) | 29 |
| livecd | !!internal use only!! DO NOT SET THIS FLAG YOURSELF!, used during livecd building | 4 |
| lm_sensors | Adds linux lm_sensors (hardware sensors) support | 9 |
| lua | Enable Lua scripting support | 18 |
| lzo | Enables support for lzo compression | 5 |
| m17n-lib | Enable m17n-lib support | 4 |
| mad | Adds support for mad (high-quality mp3 decoder library and cli frontend) | 31 |
| maildir | Adds support for maildir (~/.maildir) style mail spools | 5 |
| mailwrapper | Adds mailwrapper support to allow multiple MTAs to be installed | 12 |
| matroska | Adds support for the matroska container format (extensions .mkv, .mka and .mks) | 4 |
| matrox | Adds Matrox MGA support to mplayer | 1 |
| mbox | Adds support for mbox (/var/spool/mail) style mail spools | 9 |
| mcve | Support for the MCVE credit card payment system | 0 |
| memlimit | Adds memory usage limiting in supporting programs | 1 |
| mhash | Adds support for the mhash library | 1 |
| migemo | Enables migemo support for Japanese | 3 |
| mikmod | Adds libmikmod support to allow playing of SoundTracker-style music files | 11 |
| milter | Adds sendmail mail filter (milter) support | 2 |
| mime | Adds MIME support | 2 |
| minimal | Install a very minimal build (disables, for example, plugins, fonts, most drivers, non-critical features) | 96 |
| mmap | Adds mmap (memory map) support | 5 |
| mmx | Adds support for optimizations for Pentium MMX and Athlon class processors | 60 |
| mng | Adds support for libmng (MNG images) | 10 |
| modplug | Adds libmodplug support | 9 |
| mono | Build Mono bindings to support dotnet type stuff | 13 |
| motif | Adds support for the Motif toolkit | 18 |
| mozilla | Adds support for the Mozilla web-browser | 6 |
| mp3 | Add support for reading mp3 files | 54 |
| mpeg | Adds libmpeg3 support to various packages | 16 |
| mpi | Adds MPI (Message Passing Interface) layer to the apps that support it | 25 |
| mplayer | Enable mplayer support for playback or encoding | 12 |
| msn | Enable MSN Messenger IM protocol support | 5 |
| msql | Adds support for the MSQL database server | 1 |
| mssql | Adds support for Microsoft SQL Server database | 6 |
| mule | Adds multi-language support to XEmacs | 2 |
| multilib | On 64bit systems, if you want to be able to compile 32bit and 64bit binaries | 8 |
| musepack | Enable support for the musepack audio codec | 17 |
| musicbrainz | Lookup audio metadata using MusicBrainz community service (musicbrainz.org) | 6 |
| mysql | Adds mySQL Database support | 159 |
| mysqli | Adds support for the improved mySQL libraries | 1 |
| nas | Adds support for network audio sound | 22 |
| ncurses | Adds ncurses support (console display library) | 64 |
| neXt | Enable neXt toolkit | 4 |
| netboot | Enables network booting | 1 |
| netcdf | Enable NetCDF data format support | 5 |
| networkmanager | Enable net-misc/networkmanager support | 8 |
| nis | Support for NIS/YP services | 14 |
| nls | Adds Native Language Support (using gettext - GNU locale utilities) | 484 |
| nntp | Add support for newsgroups (Network News Transfer Protocol) | 6 |
| nocd | Install all files required to run the application without a CD mounted | 4 |
| nocxx | Disable support for C++ (DON'T USE THIS UNLESS YOU KNOW WHAT YOU'RE DOING) | 15 |
| nptl | Enable support for Native POSIX Threads Library, the new threading module (requires linux-2.6 or better usually) | 7 |
| nsplugin | Builds plugins for Netscape compatible browsers | 19 |
| ocaml | Adds support/bindings for the Ocaml language | 5 |
| ocamlopt | Enables ocamlopt support (ocaml native code compiler) -- Produces faster programs (Warning: you have to disable/enable it at a global scale) | 0 |
| oci8 | Adds Oracle 8 Database Support | 3 |
| oci8-instant-client | Use dev-db/oracle-instantclient-basic as Oracle provider instead of requiring a full Oracle server install | 2 |
| odbc | Adds ODBC Support (Open DataBase Connectivity) | 41 |
| offensive | Enables potentially offensive items in packages | 11 |
| ofx | Enable support for importing (and exporting) OFX (Open Financial eXchange) data files | 6 |
| ogg | Adds support for the Ogg container format (commonly used by Vorbis, Theora and flac) | 33 |
| old-linux | Add support for linux-2.4 and older | 2 |
| openal | Adds support for the Open Audio Library | 12 |
| openexr | Support for the OpenEXR graphics file format | 14 |
| opengl | Adds support for OpenGL (3D graphics) | 154 |
| oracle | Enable Oracle Database support | 8 |
| osc | Enables support for Open Sound Control | 3 |
| oscar | Enable Oscar (AIM/ICQ) IM protocol support | 1 |
| oss | Adds support for OSS (Open Sound System) | 89 |
| pam | Adds support PAM (Pluggable Authentication Modules) - DANGEROUS to arbitrarily flip | 95 |
| pch | Enable precompiled header support for faster compilation at the expense of disk space and memory (>=sys-devel/gcc-3.4 only) | 6 |
| pcmcia | Adds support for PCMCIA slots/devices found on laptop computers | 11 |
| pcntl | Adds support for process creation functions | 0 |
| pcre | Adds support for Perl Compatible Regular Expressions | 32 |
| pda | Adds support for portable devices | 7 |
| pdf | Adds general support for PDF (Portable Document Format), this replaces the pdflib and cpdflib flags | 22 |
| perl | Adds support/bindings for the Perl language | 93 |
| php | Include support for the PHP language | 14 |
| pic | Build Position Independent Code. Do not utilize this flag unless you know what you're doing | 4 |
| plotutils | Adds plotutils support to gnuplot (library for 2-D vector graphics) | 4 |
| png | Adds support for libpng (PNG images) | 109 |
| portaudio | Adds support for the crossplatform portaudio audio API | 14 |
| posix | Adds support for POSIX-compatible functions | 0 |
| postgres | Adds support for the postgresql database | 131 |
| ppds | Adds support for automatically generated ppd (printing driver) files | 4 |
| prelude | Adds support/bindings for the Prelude Intrusion Detection System | 6 |
| profile | Adds support for software performance analysis (will likely vary from ebuild to ebuild) | 8 |
| pulseaudio | Adds support for PulseAudio sound server | 20 |
| python | Adds support/bindings for the Python language | 134 |
| qdbm | Adds support for the qdbm (Quick Database Manager) library | 2 |
| qmail-spp | Adds support for qmail SMTP plugins | 3 |
| qt3 | Adds support for the Qt GUI/Application Toolkit version 3.x | 39 |
| qt4 | Adds support for the Qt GUI/Application Toolkit version 4.x | 25 |
| quicktime | Adds support for OpenQuickTime | 9 |
| radius | Adds support for RADIUS authentication | 8 |
| raw | Add support for raw image formats | 4 |
| rdesktop | Adds support for the remote desktop protocol, usually used to connect to Windows servers | 6 |
| readline | Enables support for libreadline, a GNU line-editing library that almost everyone wants | 85 |
| recode | Enables support for the GNU recode library | 1 |
| rss | Enables support for RSS feeds | 5 |
| ruby | Adds support/bindings for the Ruby language | 29 |
| samba | Adds support for SAMBA (Windows File and Printer sharing) | 22 |
| sapdb | Adds support for SAP DB | 0 |
| sasl | Adds support for the Simple Authentication and Security Layer | 26 |
| savedconfig | Use this to restore your config from /etc/portage/savedconfig ${CATEGORY}/${PN}. Make sure you USE flags allow for approprate dependencies | 1 |
| scanner | Adds support for scanner hardware (e.g. build the sane frontend in kdegraphics) | 7 |
| sdl | Adds support for Simple Direct Layer (media library) | 86 |
| seamonkey | Adds support for the Seamonkey web-browser | 15 |
| selinux | !!internal use only!! Security Enhanced Linux support, this must be set by the selinux profile or breakage will occur | 87 |
| session | Adds persistent session support | 10 |
| sharedext | Adds support for building shared extensions in PHP | 0 |
| sharedmem | Adds support for shared memory use | 2 |
| shorten | Adds support for the shorten audio compressor | 3 |
| simplexml | support for SimpleXML | 0 |
| skey | Enable S/Key (Single use password) authentication support | 4 |
| slang | Adds support for the slang text display library (it's like ncurses, but different) | 12 |
| slp | Adds Service Locator Protocol support | 10 |
| smartcard | Enables smartcard support | 6 |
| sndfile | Adds support for libsndfile | 15 |
| snmp | Adds support for the Simple Network Management Protocol if available | 29 |
| soap | Adds support for SOAP (Simple Object Access Protocol) | 0 |
| sockets | Adds support for tcp/ip sockets | 1 |
| socks5 | Adds support for the socks5 proxy | 17 |
| solid | Adds support for the Solid database engine | 0 |
| source | Zip the sources and install them | 166 |
| sox | Adds support for Sound eXchange (SoX) | 7 |
| speex | Adds support for the speex audio codec (used for speech) | 19 |
| spell | Adds dictionary support | 62 |
| spl | Adds support for the Standard PHP Library | 0 |
| sqlite | Adds support for sqlite - embedded sql database | 66 |
| sqlite3 | Adds support for sqlite3 - embedded sql database | 27 |
| sse | fast floating point optimization for PentiumIII+ class chips | 29 |
| sse2 | faster floating point optimization for SSE2 capable chips | 20 |
| ssl | Adds support for Secure Socket Layer connections | 271 |
| startup-notification | Enable application startup event feedback mechanism | 13 |
| static | !!do not set this during bootstrap!! Causes binaries to be statically linked instead of dynamically | 175 |
| subversion | Enable subversion (version control system) support | 13 |
| suid | Enable setuid root program, with potential security risks | 9 |
| svg | Adds support for SVG (Scalable Vector Graphics) | 29 |
| svga | Adds support for SVGAlib (graphics library) | 39 |
| sybase | Adds support for the Sybase SQL Database Server | 0 |
| sybase-ct | Adds support for Sybase-CT | 0 |
| symlink | Force kernel ebuilds to automatically update the /usr/src/linux symlink | 3 |
| syslog | Enables support for syslog | 11 |
| sysvipc | Support for System V-compatible inter-process communication | 0 |
| szip | Use the szip compression library | 3 |
| taglib | Enable tagging support with taglib | 7 |
| tcl | Adds support the Tcl language | 40 |
| tcpd | Adds support for TCP wrappers | 46 |
| test | Workaround to pull in packages needed to run with FEATURES=test. Portage-2.1.2 handles this internally, so don't set it in make.conf/package.use anymore | 204 |
| tetex | Adds support for teTeX (typesetting package) | 7 |
| theora | Adds support for the Theora Video Compression Codec | 19 |
| threads | Adds threads support for various packages. Usually pthreads | 89 |
| tidy | Adds support for HTML Tidy | 6 |
| tiff | Adds support for the TIFF image format | 51 |
| timidity | Build with Timidity++ (MIDI sequencer) support | 6 |
| tk | Adds support for Tk GUI toolkit | 63 |
| tokenizer | Adds support for the PHP file parser | 0 |
| truetype | Adds support for FreeType and/or FreeType2 fonts | 73 |
| uclibc | Enable uclibc specific patches and build or link uclibc | 2 |
| unicode | Adds support for Unicode | 88 |
| usb | Adds USB support to applications that have optional USB support (e.g. cups) | 36 |
| v4l | Enables video4linux support | 19 |
| v4l2 | Enable video4linux2 support | 9 |
| vanilla | Do not add extra patches which change default behaviour; DO NOT USE THIS ON A GLOBAL SCALE as the severity of the meaning changes drastically | 14 |
| vcd | Video CD support | 8 |
| vhosts | Adds support for installing web-based applications into a virtual-hosting environment | 10 |
| videos | Install optional video files (used in some games) | 7 |
| vim-syntax | Pulls in related vim syntax scripts | 22 |
| vnc | Enable VNC (remote desktop viewer) support | 7 |
| voodoo3 | Adds support for 3Dfx's Voodoo3 video chipset, else defaults to Voodoo4/5 support if not in USE | 1 |
| vorbis | Adds support for the OggVorbis audio codec | 122 |
| wavpack | Add support for wavpack audio compression tools | 12 |
| wddx | Adds support for Web Distributed Data eXchange | 0 |
| wifi | Enable wireless network functions | 7 |
| win32codecs | use win32codecs package for dll avi decoding support (wmv and what not) | 5 |
| wmf | Adds support for the Windows Metafile vector image format | 7 |
| wxwindows | Adds support for wxWidgets/wxGTK GUI toolkit | 13 |
| x264 | Enable h264 encoding using x264 | 9 |
| xattr | Adds support for extended attributes (filesystem-stored metadata) | 9 |
| xcb | Support the X C-language Binding, a replacement for Xlib | 7 |
| xcomposite | Enable support for the Xorg composite extension | 9 |
| xemacs | Add support for XEmacs | 6 |
| xface | Adds xface support used to allow a small image of xface format to be included in an email via the header 'X-Face' | 8 |
| xine | Add support for the XINE movie libraries | 16 |
| xinerama | Add support for the xinerama X11 extension, which allows you to stretch your display across multiple monitors | 66 |
| xinetd | Add support for the xinetd super-server | 13 |
| xml | Add support for XML files | 54 |
| xmlrpc | Support for xml-rpc library | 2 |
| xosd | Sends display using the X On Screen Display library | 8 |
| xpm | Adds support for XPM graphics format | 11 |
| xprint | Support for xprint, http://www.mozilla.org/projects/xprint/ | 26 |
| xscreensaver | Adds support for XScreenSaver extension | 12 |
| xsl | Check/Support flag for XSL library (version 1) | 1 |
| xulrunner | Build native browser integration against xulrunner instead of firefox or seamonkey | 16 |
| xv | Adds in optional support for the Xvideo extension (an X API for video playback) | 22 |
| xvid | Adds support for xvid.org's open-source mpeg-4 codec | 11 |
| yahoo | Enable Yahoo Messenger IM protocol support | 6 |
| yaz | Adds in optional support for the Z39.50 Protocol for Information Retrieval (YAZ) | 1 |
| zeroconf | Support for DNS Service Discovery (DNS-SD) | 7 |
| zlib | Adds support for zlib (de)compression | 111 |
| mbrola | Adds support for mbrola voices | 0 |
| jsapi | build Java Speech API (JSAPI) | 0 |
| mbrola | Adds support for mbrola voices | 0 |
| espeak | Adds support for the espeak speech driver (default) | 0 |
| festival | Adds support for the festival speech driver | 0 |
| freetts | Adds support for the freetts speech driver | 0 |
| brltty | Adds support for braille displays using brltty | 0 |
| flite | Adds support for flite speech engine | 0 |
| server | Installs scripts to be used on the server-side of this app | 0 |
| audacious | enable monitoring of audio tracks that are playing media-sound/bmpx | 0 |
| bmpx | enable monitoring of audio tracks that are playing media-sound/bmpx | 0 |
| mpd | enable monitoring mpd controlled music media-sound/mpd | 0 |
| nano-syntax | enable syntax highlighting for app-editors/nano | 0 |
| smapi | enable support for smapi | 0 |
| automount | Support for automount data in LDAP | 0 |
| irixpasswd | Support for storing separate IRIX passwords | 0 |
| nfs | Adds support for NFS shares | 0 |
| lids | If you have the Linux Intrusion Detection System | 0 |
| tcpwrapper | Add support for tcp_wrappers | 0 |
| dbi | Add support for logging into various databases through dev-db/libdbi | 0 |
| relp | Add support for the Reliable Event Logging Protocol using dev-libs/librelp | 0 |
| beep | USe beep libraries net-libs/roadrunner | 0 |
| ipfilter | Enable ipfilter firewall support (only for *bsd) | 0 |
| spoof-source | Enable support for spoofed source addresses | 0 |
| ntfs | Include the ability to read NTFS filesystems | 0 |
| reiserfs | include reiserfs reading ability | 0 |
| ip-as-string | Logs IP addresses as stings | 0 |
| pcap | Build the PCAP plugin. Use the net-libs/libpcap library | 0 |
| xtended | Include the 404 extension | 0 |
| ermt | encrypted rmt support | 0 |
| nautilus | Enable file-roller to integrate with gnome-base/nautilus by providing entries in its context menu. | 0 |
| file | add magic file support | 0 |
| neon | include support for neon | 0 |
| pathbar | Include pathbar feature | 0 |
| toolbar | Include toolbar feature | 0 |
| xfs | Support for backing up raw XFS filesystems using xfsdump | 0 |
| bacula-clientonly | Disable DB support, and just build a client | 0 |
| bacula-console | Build (GUI) console program(s) | 0 |
| bacula-nodir | Disable building of director in 1.38.x and later | 0 |
| bacula-nosd | Disable building of storage daemon in 1.38.x and later | 0 |
| bacula-split-init | Use separate init scripts for fd/sd/dir | 0 |
| logrotate | Install support files for logrotate | 0 |
| logwatch | Install support files for logwatch | 0 |
| client-only | Disable server support, and just build a client | 0 |
| dar32 | Enables --enable-mode=32 option, which replace infinite by 32 bit integers | 0 |
| dar64 | Enables --enable-mode=64 option, which replace infinite by 64 bit integers | 0 |
| dar32 | Support libdar32.so usage | 0 |
| dar64 | Support libdar64.so usage | 0 |
| acct | Enable process accounting | 0 |
| beanshell | Enable BeanShell scripting support | 0 |
| beagle | Enable app-misc/beagle support for searches | 0 |
| gdl | Enable gdl support for customisable GUI | 0 |
| libburn | Enable dev-libs/libburn backend | 0 |
| totem | Enable support for media-video/totem playlists | 0 |
| gcdmaster | Enable building of gcdmaster application | 0 |
| pccts | Use dev-util/pccts instead of the built-in substitution | 0 |
| hfs | Provide building of HFS (Apple) CD-images | 0 |
| cdrom | Enable audio CD support. This is not needed to make www-apps/disc-cover work. | 0 |
| emovix | Enable burning support for eMoviX images | 0 |
| normalize | Add support for normalizing audio file volume levels | 0 |
| muine | Enable support for the GNOME music player Muine | 0 |
| xfce | Adds integration with Xfce4 desktop environment | 0 |
| nousb | Disable USB support via sys-apps/pcsc-lite | 0 |
| twinserial | Enable twinserial reader | 0 |
| ecc | Use elliptic curve cryptosystem patch | 0 |
| idea | Use the patented IDEA algorithm | 0 |
| openct | build using dev-libs/openct compat | 0 |
| pcsc-lite | build with sys-apps/pcsc-lite | 0 |
| pth | Enable support for GNU Portable Threads multithreading library | 0 |
| berkdb | Berkeley DB is preferred before NDBM, but if you for some reason want to use NDBM instead, you can disable this USE flag. | 0 |
| hdb-ldap | Enable support for LDAP as database backend (not suggested to use) | 0 |
| ipv6 | Enable/Disable ipv6 support. No magic here. | 0 |
| ldap | DEPRECATED (because produces circualar dependencies): global USE which enable/disable LDAP as database backend -> see 'hd-ldap' | 0 |
| otp | Enable support for one-time passwords (OTP) in some heimdal apps | 0 |
| pkinit | Enable pkinit support to get the initial ticket | 0 |
| ssl | Enable usage of openssl | 0 |
| threads | Enable pthread support | 0 |
| X | Building X applications | 0 |
| custom-cflags | Enables custom cflags (not supported) | 0 |
| afs | Enables afs support which means you can aquire an afs token and set PAGs. It's recommend to set this USE if you need authenticated access to an AFS cell for your daemon/app. | 0 |
| doc | Creates and installs the API and implementation documentation. This is only useful if you want to develop software which depends on kerberos. | 0 |
| ipv6 | Enables ipv6 support which is default in actual releases. This flag is marked for removal. | 0 |
| krb4 | This option enables Kerberos V4 backwards compatibility using the builtin Kerberos V4 library. This is really outdated and dangerous to use because not safe. | 0 |
| tcl | Some of the unit-tests in the build tree rely upon using a program in Tcl. This flag is marked for removal. | 0 |
| ophsmall | Makes use of smaller cracking tables | 0 |
| vistafree | Installs the free Vista ophcrack tables | 0 |
| xpfast | Installs the fast XP ophcrack tables | 0 |
| xpsmall | Installs the small free XP ophcrack tables | 0 |
| applet | Enable seahorse applet for gnome-base/gnome-panel. | 0 |
| epiphany | Enable text encryption plugin to integrate into www-client/epiphany context menu. | 0 |
| gedit | Enable text encryption plugin to integrate into app-editors/gedit. | 0 |
| ldap | Enable seahorse to manipulate GPG keys on a LDAP server. | 0 |
| nautilus | Enable file encryption plugin to integrate into gnome-base/nautilus context menu. | 0 |
| xulrunner | Selects which gecko engine against which to build the www-client/epiphany plugin. | 0 |
| classic | Support classic spelling by default | 0 |
| espeak | Enable text to speech synthesizer using espeak engine | 0 |
| festival | Enable text to speech synthesizer using festival engine | 0 |
| gucharmap | Enable gucharmap dictionary plugin | 0 |
| pronounce | Install WyabdcRealPeopleTTS package (it is just many .wav files) to make StarDict pronounce English words | 0 |
| qqwry | Enable QQWry plugin, which provides information (in Chinese language) about geographical positions, owner, etc. for IP addresses | 0 |
| nodot | removes graphviz dependency, along with dot graphs | 0 |
| webinstall | optimize images for web installation (fewer colors, depends on media-gfx/imagemagick) | 0 |
| htmlsingle | Also install all-in-one-page HTML version | 0 |
| all-options | Include both sides of kdebuild conditionals, shown in different colours (PDF only) | 0 |
| html | Generate PMS as .html as well | 0 |
| kdebuild | Include specification for the kdebuild EAPI, see http://www.gentoo.org/proj/en/desktop/kde/kdebuild-1.xml | 0 |
| plugins | Install plugin development files | 0 |
| gzip-el | Compress bundled Emacs Lisp source | 0 |
| hesiod | Enable support for net-dns/hesiod | 0 |
| leim | Add support for Emacs input methods | 0 |
| sendmail | Build Emacs with MTA support | 0 |
| sound | Enable sound | 0 |
| toolkit-scroll-bars | Use the selected toolkit's scrollbars in preference to Emacs' own scrollbars | 0 |
| gzip-el | Compress bundled Emacs Lisp source | 0 |
| hesiod | Enable support for net-dns/hesiod | 0 |
| sound | Enable sound | 0 |
| toolkit-scroll-bars | Use the selected toolkit's scrollbars in preference to Emacs' own scrollbars | 0 |
| xft | Build Emacs with support for the XFT font renderer | 0 |
| sendmail | Send mail after editor abend | 0 |
| aqua | Include support for the Aqua / Carbon GUI | 0 |
| netbeans | Include netbeans externaleditor integration support | 0 |
| nextaw | Include support for the neXtaw GUI | 0 |
| nanoemacs | Build NanoEmacs instead of MicroEmacs | 0 |
| xterm | Enable full xterm clipboard support | 0 |
| unix98 | Use Unix 98 pty's instead of BSD pts's | 0 |
| highlight | Enable source code highlighting | 0 |
| justify | Toggle the justify option | 0 |
| moznoxft | Placeholder until mozilla eclass is modified for nvu | 0 |
| enchant | Enable spell checking using enchant | 0 |
| hacking | Enable hacking support | 0 |
| vim-pager | Install vimpager and vimmanpager links | 0 |
| vim-with-x | Link console vim against X11 libraries to enable title and clipboard features in xterm | 0 |
| athena | Chooses the MIT Athena widget set | 0 |
| dnd | Enables support for the x11-libs/dnd drag-n-drop library | 0 |
| eolconv | Support detection and translation of newline conventions | 0 |
| pop | Support POP for mail retrieval | 0 |
| xim | Enable X11 XiM input method | 0 |
| guidexml | Install GuideXML templates to work with Gentoo official docs | 0 |
| preview-latex | Use bundled preview-latex | 0 |
| tex | Install plain TeX support files | 0 |
| planner | Include support for app-emacs/planner | 0 |
| gnus | Include support for the Gnus newsreader | 0 |
| jde | Enable support for Java Development Environment | 0 |
| pymacs | Enable Emacs extensions for Python as scripting language | 0 |
| bbdb | Include support for app-emacs/bbdb | 0 |
| planner | Include support for app-emacs/planner | 0 |
| bbdb | Include support for app-emacs/bbdb | 0 |
| bbdb | Include support for app-emacs/bbdb | 0 |
| fbdev | Enables framebuffer support | 0 |
| jit | Enables the jit compiler | 0 |
| debugger | Enable the bochs debugger | 0 |
| immqt-bc | Enable binary compatible version of immodule for x11-libs/qt | 0 |
| capslib | Add CAPS library support | 0 |
| sdl-sound | Use media-libs/sdl-sound for audio output | 0 |
| libdsk | Enable support for the floppy disk emulation library app-emulation/libdsk | 0 |
| custom-cflags | Use CFLAGS from /etc/make.conf rather than the default package CFLAGS (not supported) | 0 |
| alsa | Enable alsa output for sound emulation | 0 |
| esd | Enable esound output for sound emulation | 0 |
| gnutls | Enable TLS support for the VNC console server | 0 |
| havekernel | Don't require a kernel build tree (useful if using a binary distrbuted kernel aka binary packages) | 0 |
| ncurses | Enable the ncurses-based console | 0 |
| pulseaudio | Enable pulseaudio output for sound emulation | 0 |
| sdl | Enable the SDL-based console | 0 |
| test | Build tests | 0 |
| vde | Enable VDE-based networking | 0 |
| iscsi | Add support for iSCSI (Internet SCSI) remote storage | 0 |
| kvm | Add support for app-emulation/kvm based virtual machines | 0 |
| lvm | Add support for the Logical Volume Manager sys-apps/lvm2 | 0 |
| openvz | Add support for sys-kernel/openvz-sources OpenVZ-based virtual machines | 0 |
| parted | Add support for the sys-apps/parted partition editor | 0 |
| qemu | Add support for app-emulation/qemu based virtual machines | 0 |
| server | Enables support for libvirtd | 0 |
| xen | Add support for app-emulation/xen based virtual machines | 0 |
| oldworld | Includes Macintosh's OldWorld support | 0 |
| pci | Experimental PCI proxy support | 0 |
| sheep | Support for the sheep net driver | 0 |
| icu | Enable unicode support using dev-libs/icu | 0 |
| jit | Use the JITC-x86 CPU | 0 |
| emerald | For people who are in the Transgaming Emerald Club | 0 |
| kqemu | Enables the kernel acceleration module on a x86 cpu | 0 |
| audacious | Enables support for media-sound/audacious | 0 |
| scsi | Enable the uaescsi.device | 0 |
| sdl-sound | Use media-sound/sdl-sound for audio output | 0 |
| ui | Build the user interface (could be gtk or ncurses based, depending on sdl, dga, svga and aalib USE flags) | 0 |
| resid | Enable support for ReSID media-libs/resid | 0 |
| xrandr | Enable support for the X xrandr extension | 0 |
| additions | Install Guest System Tools ISO | 0 |
| headless | Build without any graphic frontend | 0 |
| sdk | Enable building of SDK | 0 |
| additions | Install Guest System Tools ISO | 0 |
| chm | Install help files and add chm reader dependency | 0 |
| headless | Install without any graphic frontend | 0 |
| sdk | Enable building of SDK | 0 |
| vboxwebsrv | Install the VirtualBox webservice | 0 |
| gprof | build with profiling support | 0 |
| gecko | Add support for the Gecko engine when using iexplore | 0 |
| custom-cflags | Use CFLAGS from /etc/make.conf rather than the default Xen CFLAGS (not supported) | 0 |
| pae | Enable support for PAE kernels (usually x86-32 with >4GB memory) | 0 |
| custom-cflags | Use CFLAGS from /etc/make.conf rather than the default Xen CFLAGS (not supported) | 0 |
| hvm | Enable support for hardware based virtualization (VT-x, AMD-v | 0 |
| pygrub | Install the pygrub boot loader | 0 |
| screen | Enable support for running domain U console in an app-misc/screen session | 0 |
| login-watch | Compile in the module to watch for login/logout events | 0 |
| mounts-check | Compile in the module to check for correct mount options | 0 |
| netclient | Compile a client, rather than a standalone version | 0 |
| netserver | Compile a server, rather than a standalone version | 0 |
| suidcheck | Compile in the module to check file system for SUID/SGID binaries | 0 |
| userfiles | Compile in the module to check for files in user home directories | 0 |
| dbtool | Add patch for dbtool interface from PyFlag | 0 |
| ucs4 | Enable ucs4 support | 0 |
| ext-iiimf | Link with the system IIIMF, rather than the bundled version | 0 |
| anthy | Support for Anthy input method | 0 |
| skk | Support for SKK input method | 0 |
| anthy | Support for Anthy input method | 0 |
| hyperestraier | Enable support for app-text/hyperestraier | 0 |
| anthy | Enable support for app-i18n/anthy input method | 0 |
| eb | Enable support for dev-libs/eb | 0 |
| prime | Enable support for app-i18n/prime | 0 |
| anthy | Enable support for app-i18n/anthy input method | 0 |
| dict | Build uim-dict (a dictionary utility for uim) | 0 |
| eb | Enable support for dev-libs/eb | 0 |
| fep | Build uim-fep | 0 |
| immqt | Enable immodule for x11-libs/qt support | 0 |
| smapi | Use extended ThinkPad battery info exported via SMAPI BIOS by app-laptop/tp_smapi | 0 |
| ibam | Enable support for Intelligent Battery Monitoring | 0 |
| macbook | Enable support for the Macbook and Macbook Pro | 0 |
| tpctlir | Enable support for thinkpad models 760 and 765 | 0 |
| hdaps | Install a compatible HDAPS module | 0 |
| chm | Enables support for indexing of the MS CHM (Compressed HTML) file format using app-doc/chmlib. | 0 |
| debug | Enables debug XML dumps of all messages passed between the daemons and the UIs. WARNING, this option will fill up your Beagle Log directory very quickly. | 0 |
| doc | Builds programmer documentation for Beagle using app-doc/monodoc. | 0 |
| eds | Enables Beagle to index the Addressbook and Calendar from mail-client/evolution stored in gnome-extra/evolution-data-server. The information is accessed using dev-dotnet/evolution-sharp. | 0 |
| epiphany | Compiles and installs the extension for either www-client/epiphany. This extension helps Beagle index the websites you visit. | 0 |
| firefox | Compiles and installs the extension for either www-client/mozilla-firefox or www-client/mozilla-firefox-bin. This extension helps Beagle index the websites you visit. | 0 |
| galago | Allows Beagle to get status information from applications such as Pidgin to show in the search results. | 0 |
| gtk | Enables the GTK+ Beagle Search UI for showing search results. This is the default GUI for Beagle. | 0 |
| inotify | Enable inotify filesystem monitoring support | 0 |
| ole | Enables OLE (Object Linking and Editing) support via dev-dotnet/gsf-sharp, app-text/wv, and app-office/gnumeric(ssindex). These allow Beagle to index MS Powerpoint, Word, and Spreadsheet Documents. | 0 |
| pdf | Enables support for indexing of the PDF (Portable Document Format) file format using `pdfinfo` and `pdftotext` from app-text/poppler | 0 |
| thunderbird | Compiles and installs the extension for either mail-client/mozilla-thunderbird or mail-client/mozilla-thunderbird-bin. This extension helps Beagle index your mails. | 0 |
| xscreensaver | Allow Beagle to detect when the screensaver is switched on. This allows Beagle to use more resources and index faster when the computer is not in use. | 0 |
| transcode | Use media-video/transcode to extract video thumbnails | 0 |
| ds2490 | Build support for the ds2490 sensor | 0 |
| ds9097 | Build support for the ds9097 sensor | 0 |
| ds9097u | Build support for the ds9097u sensor | 0 |
| md5sum-external | Use external md5sum program instead of bundled md5sum routines | 0 |
| amarok | Enable display of titles played in Amarok | 0 |
| ocamlopt | Enable ocamlopt support (dev-lang/ocaml native code compiler) | 0 |
| print | Enable printing support using gnome-print. | 0 |
| rtf | Enable RTF support. | 0 |
| garmin | Adds specific support for Garmin GPS receivers | 0 |
| reports | All external software that is needed for graphical reports will be installed | 0 |
| g15 | Add support for app-misc/g15daemon driver (e.g. Logitech G15 Keybord) | 0 |
| mpd | Add support for display of mpd controlled music (media-libs/libmpd) | 0 |
| irman | Enable support for IRMan (media-libs/libirman) | 0 |
| nfs | Adds support for NFS file system | 0 |
| seamless-hbars | Try to avoid gaps in horizontal bars | 0 |
| mpd | Add support for display of mpd controlled music (media-libs/libmpd) | 0 |
| hardware-carrier | The transmitter device generates its clock signal in hardware | 0 |
| transmitter | Add transmitter support to some lirc-drivers (e.g. serial) | 0 |
| 7zip | Add support for 7zip archives | 0 |
| general | Add support for ascii flatfile backend | 0 |
| text | Add support for text backend | 0 |
| ical | Add support for converting ical format to pal (dev-libs/libical) | 0 |
| festival | Enable support for app-accessibility/festival | 0 |
| flite | Enable support for app-accessibility/flite (festival-lite) | 0 |
| openstreetmap | Enable openstreetmap support | 0 |
| scripting | Enable scripting support | 0 |
| multiuser | Enable multiuser support (by setting correct permissions) | 0 |
| nethack | Express error messages in nethack style | 0 |
| stemmer | Enable language stemming support | 0 |
| clucene | Enable dev-cpp/clucene backend support (recommended) | 0 |
| exiv2 | Enable support for exif/iptc metadata (media-gfx/exiv2) (recommended) | 0 |
| hyperestraier | Enable app-text/hyperestraier backend support (experimental) | 0 |
| inotify | Enable support for inotify (experimental) | 0 |
| pvm | Add support for parallel virtual machine (sys-cluster/pvm) | 0 |
| galago | Add support for the galago desktop presence framework (dev-dotnet/galago-sharp) | 0 |
| moneyplex | Makes libtowitoko work for the moneyplex home banking software | 0 |
| applet | Build tracker monitor applet | 0 |
| deskbar | Build gnome-extra/deskbar-applet plugin | 0 |
| gsf | Enable gnome-extra/libgsf based data extractor | 0 |
| avfs | Enable support for sys-fs/avfs | 0 |
| distribution | Enable networking. See http://www.workrave.org/features/ | 0 |
| irda | Enable infrared support | 0 |
| ical | Enable support for dev-libs/libical | 0 |
| irda | Enable infrared support | 0 |
| sms | Enable SMS support (build smsd) | 0 |
| gammu | Enable the Gammu backend | 0 |
| obex | Enable obex transports | 0 |
| swig | Enable rebuild of dev-lang/swig bindings | 0 |
| stats | Enable statistic reporting | 0 |
| capi | Enable CAPI support | 0 |
| grammar | Enable grammar checking via dev-libs/link-grammar | 0 |
| math | Enable support for x11-libs/gtkmathview | 0 |
| ots | Enable Text Summarizer plugin | 0 |
| thesaurus | Enable thesaurus support | 0 |
| wordperfect | Enable wordperfect file support via app-text/libwpdlibwpd | 0 |
| gnome-print | Gnome-Print support (gnome-base/libgnomeprint) | 0 |
| chipcard | Enable support for chipcard reading and processing. | 0 |
| hbci | Enable HBCI support, for connecting to some internet banks | 0 |
| quotes | Enable Online Stock Quote retrieval | 0 |
| gnome | Allow Gnumeric to use GNOME specific extensions. | 0 |
| perl | Enable perl plugin loader. | 0 |
| python | Enable python plugin loader. | 0 |
| print | Enable printing support | 0 |
| iksemel | Enable external dev-libs/iksemel parsing support | 0 |
| hbci | Add HBCI online banking support | 0 |
| qtdesigner | Installs KMyMoney specific widget library for Qt-designer | 0 |
| docbook | Add support for docbook export | 0 |
| dot | Add support for DOT import (media-gfx/graphviz) | 0 |
| html | Add support for HTML import | 0 |
| monolithic-build | This should speed up compilation significantly when you have enough RAM (>600 MB) | 0 |
| rtf | Add support for RTF import/export packages | 0 |
| moznopango | Disable pango during runtime | 0 |
| binfilter | Enable support for legacy StarOffice 5.x and earlier file formats | 0 |
| odk | Build the Office Development Kit | 0 |
| gnome-print | Gnome-Print support (gnome-base/libgnomeprint) | 0 |
| gs | Ghostscript support (virtual/ghostscript) | 0 |
| tgif | tgif support (media-gfx/tgif) | 0 |
| netpbm | Add support for media-libs/netpbm | 0 |
| figlet | Install app-misc/figlet to support the --huge command | 0 |
| irda | Enable IrDA support | 0 |
| http | Enable http transports | 0 |
| obex | Enable obex transports | 0 |
| http | Enable http transports | 0 |
| obex | Enable obex transports | 0 |
| gnokii | Address synchronization with mobile phones via app-mobilephone/gnokii | 0 |
| irmc | Add support for Mobile Client synchronization via IrDa/IrMC/Bluetooth (eg: SonyEricsson T39/T68i) | 0 |
| kdepim | Add support for KDEPIM sync | 0 |
| nokia6600 | Add support for Nokia 6600 | 0 |
| avantgo | Add support for syncing Avantgo accounts | 0 |
| colordiff | Use colors when displaying diffs (app-misc/colordiff) | 0 |
| libpaludis | Do some dependency resolution by using a sys-apps/paludis interface | 0 |
| git | Support dev-util/git based overlays | 0 |
| etc-proposals | Use app-portage/etc-proposals for updating CONFIG_PROTECTed stuff | 0 |
| userpriv | Allow emerge processes as normal user | 0 |
| bashlogger | Log ALL commands typed into bash; should ONLY be used in restricted environments such as honeypots | 0 |
| plugins | Add support for loading builtins at runtime via 'enable' | 0 |
| rsh | This allows the use of rsh (remote shell) and rcp (remote copy) for authoring websites. sftp is a much more secure protocol and is preferred. | 0 |
| scsh | Use a non-FHS directory layout | 0 |
| scsh | Use a non-FHS directory layout | 0 |
| diet | Use dev-libs/dietlibc | 0 |
| catalogs | Add support for NLS catalogs | 0 |
| mew | Add support for using the mewdecode mime decoder (app-emacs/mew) | 0 |
| mimencode | Add support for using the mimencode mime (net-mail/metamail) | 0 |
| normalizemime | Add support for using the normalizemime (mail-filter/normalizemime) | 0 |
| aspell | Adds support for app-text/aspell spell checker | 0 |
| hunspell | Adds support for app-text/hunspell spell checker | 0 |
| zemberek | Adds support for app-text/zemberek-server spell checker server | 0 |
| dvi | Enable the built-in DVI viewer | 0 |
| t1lib | Enable the Type-1 fonts for the built-in DVI viewer (media-libs/t1lib) | 0 |
| mecab | Enable app-text/mecab support for Estraier | 0 |
| kpathsea | Enable integration with kpathsea search library (TeX related) | 0 |
| kakasi | Enable kakasi support (dev-perl/Text-Kakasi) | 0 |
| icon | Enable dev-lang/icon language support | 0 |
| nodrm | Decrypt a document with the user_pw even if it has an owner_pw set | 0 |
| icu | Enable dev-libs/icu support for sword | 0 |
| lucene | Enable lucene support for faster searching (dev-cpp/clucene) | 0 |
| intl | Enable different languages | 0 |
| context | Add support for the ConTeXt format (dev-texlive/texlive-context) | 0 |
| cyrillic | Add support for Cyrillic (dev-texlive/texlive-langcyrillic) | 0 |
| extra | Add support for extra TeXLive packages | 0 |
| games | Add typesetting support for games (chess, etc.) (dev-texlive/texlive-games) | 0 |
| graphics | Add support for several graphics packages (pgf, tikz,...) | 0 |
| humanities | Add LaTeX support for the humanities (dev-texlive/texlive-humanities) | 0 |
| jadetex | Add support for app-text/jadetex (for processing tex files produced by the TeX backend of Jade) | 0 |
| music | Add support for music typesetting (dev-texlive/texlive-music) | 0 |
| omega | Add omega packages (dev-texlive/texlive-omega) | 0 |
| pstricks | Add pstricks packages (dev-texlive/texlive-pstricks) | 0 |
| publishers | Add support for publishers (dev-texlive/texlive-publishers) | 0 |
| science | Add typesetting support for natural and computer sciences (dev-texlive/texlive-science) | 0 |
| tex4ht | Add support for dev-tex/tex4ht (for converting (La)TeX to (X)HTML, XML and OO.org) | 0 |
| xetex | Add support for XeTeX macros (dev-texlive/texlive-xetex) | 0 |
| builder | Enable programmatic HTML/XML generation | 0 |
| exif | Enable EXIF information in image galleries | 0 |
| highlight | Enable syntax highlighting for certain plugins | 0 |
| markdown | Markdown support | 0 |
| textile | Textile support | 0 |
| thumbnail | Thumbnail creation support using rmagick | 0 |
| nodrm | Disable the drm feature decoder | 0 |
| ignore-glep31 | Remove GLEP 31 (UTF-8 file encodings) settings | 0 |
| git | Enable support for dev-util/git | 0 |
| svk | Enable support for dev-util/svk | 0 |
| aspell | Enable support for app-text/aspell | 0 |
| excel | Enable Excel support | 0 |
| pg-intdatetime | Enable --enable-integer-datetimes configure option, which changes PG to use 64-bit integers for timestamp storage | 0 |
| big-tables | Make tables contain up to 1.844E+19 rows | 0 |
| cluster | Add support for NDB clustering | 0 |
| embedded | Build embedded server (libmysqld) | 0 |
| extraengine | Add support for alternative storage engines | 0 |
| latin1 | Use LATIN1 encoding instead of UTF8 | 0 |
| max-idx-128 | Raise the max index per table limit from 64 to 128 | 0 |
| minimal | Install client programs only, no server | 0 |
| raid | Deprecated option, removed in the 5.0 series | 0 |
| big-tables | Make tables contain up to 1.844E+19 rows | 0 |
| cluster | Add support for NDB clustering | 0 |
| embedded | Build embedded server (libmysqld) | 0 |
| extraengine | Add support for alternative storage engines | 0 |
| latin1 | Use LATIN1 encoding instead of UTF8 | 0 |
| max-idx-128 | Raise the max index per table limit from 64 to 128 | 0 |
| minimal | Install client programs only, no server | 0 |
| pbxt | Add experimental support for pbxt storage engine | 0 |
| administrator | Build and install MySQL Administrator | 0 |
| query-browser | Build and install MySQL Query Browser | 0 |
| pg-intdatetime | Enable --enable-integer-datetimes configure option, which changes PG to use 64-bit integers for timestamp storage | 0 |
| geos | Add the sci-libs/geos library for exact topological tests | 0 |
| proj | Add the sci-libs/proj library for reprojection features | 0 |
| pg-intdatetime | Enable --enable-integer-datetimes configure option, which changes PG to use 64-bit integers for timestamp storage | 0 |
| pg-intdatetime | Enable --enable-integer-datetimes configure option, which changes PG to use 64-bit integers for timestamp storage | 0 |
| uuid | Enable server side UUID generation (via dev-libs/ossp-uuid) | 0 |
| xbase | Support for the Xbase db family, covering dBase, Clipper, FoxPro, Visual dBase/Objects/FoxPro plus some older products | 0 |
| nothreadsafe | Turn off thread safe operation of sqlite | 0 |
| soundex | Enable the soundex function to compute soundex encodings of strings | 0 |
| threadsafe | Enable thread safe operation of sqlite | 0 |
| ft2232 | Enable support for USB chips via dev-embedded/libftd2xx | 0 |
| ftdi | Enable support for USB FTDI chips (dev-embedded/libftdi) | 0 |
| parport | Enable support for parport JTAG devices | 0 |
| presto | Enable support for AXIS PRESTO devices | 0 |
| epiphany | Enable support for www-client/epiphany | 0 |
| boehm-gc | Enable Hans Boehm's garbage collector (dev-libs/boehm-gc) | 0 |
| ftdi | Enable support for USB FTDI chips (dev-embedded/libftdi) | 0 |
| devil | Enable image loading via DevIL | 0 |
| irrlicht | Enable the Irrlicht renderer | 0 |
| xerces-c | Enable the Xerces-C++ XML parser module | 0 |
| 3ds | Enables support for .3DS files in CrystalSpace | 0 |
| cal3d | include support for skeleton animation | 0 |
| cegui | include support for Crazy Eddie GUI | 0 |
| cg | NVIDIA toolkit plugin | 0 |
| ode | include support for Open Dynamics Engine | 0 |
| allegro | Build the Allegro frontend | 0 |
| double-precision | more precise calculations at the expense of speed | 0 |
| nogyroscopic | disable gyroscopic term maybe improving stability | 0 |
| noopcode | disable OPCODE (trimesh support) | 0 |
| cegui | build the CEGUI samples | 0 |
| cg | NVIDIA toolkit plugin | 0 |
| devil | image loading support with DevIL | 0 |
| double-precision | more precise calculations at the expense of speed | 0 |
| glade | Enable gnome-base/libglade bindings compilation | 0 |
| antlr | Enable ANTLR Ant tasks | 0 |
| bcel | Enable bcel (bytecode manipulation) Ant tasks | 0 |
| bsf | Enable BSF (Bean Scripting Framework) Ant tasks | 0 |
| commonslogging | Enable commons-logging Ant tasks | 0 |
| commonsnet | Enable commons-net Ant tasks | 0 |
| jai | Enable JAI (Java Imaging) Ant task | 0 |
| javamail | Enable JavaMail Ant task | 0 |
| jdepend | Enable Jdepend Ant tasks | 0 |
| jmf | Enable JMF (Java Media Framework) Ant tasks | 0 |
| jsch | Disable Jsch (ssh, scp and related) Ant tasks | 0 |
| log4j | Enable Apache log4j Ant tasks | 0 |
| oro | Enable Apache Oro Ant tasks | 0 |
| regexp | Enable Apache Regexp Ant tasks | 0 |
| resolver | Enable Apache Resolver Ant tasks | 0 |
| script | Install a script to run antlr | 0 |
| antlr | Enable ANTLR Ant tasks | 0 |
| bcel | Enable bcel (bytecode manipulation) Ant tasks | 0 |
| bsf | Enable BSF (Bean Scripting Framework) Ant tasks | 0 |
| commonslogging | Enable commons-logging Ant tasks | 0 |
| commonsnet | Enable commons-net Ant tasks | 0 |
| jai | Enable JAI (Java Imaging) Ant task | 0 |
| javamail | Enable JavaMail Ant task | 0 |
| jdepend | Enable Jdepend Ant tasks | 0 |
| jmf | Enable JMF (Java Media Framework) Ant tasks | 0 |
| jsch | Disable Jsch (ssh, scp and related) Ant tasks | 0 |
| log4j | Enable Apache log4j Ant tasks | 0 |
| oro | Enable Apache Oro Ant tasks | 0 |
| regexp | Enable Apache Regexp Ant tasks | 0 |
| resolver | Enable Apache Resolver Ant tasks | 0 |
| javamail | Enable support for javamail | 0 |
| jms | Enable support for JMS (Java Message Service) | 0 |
| bsf | Enable support for Apache Bean Scripting Framework | 0 |
| test-framework | Install the test framework | 0 |
| avalon-framework | Add optional support for avalon-framework | 0 |
| avalon-logkit | Add optional support for avalon-logkit | 0 |
| log4j | Add optional support for log4j | 0 |
| servletapi | Add optional support for servletapi | 0 |
| commons-digester | Add support for the commons-digester based Mbeans Descriptor source | 0 |
| jce | Enable Java Cryptographic Extension Unlimited Strength Policy files | 0 |
| launcher | Install /usr/bin/emma. Collides with sci-biology/emboss. | 0 |
| hyphenation | Precompile hyphenation patterns from the dev-java/offo-hyphenation package and install them as fop-hyph.jar | 0 |
| jai | Enable jai support | 0 |
| jimi | Enable jimi support | 0 |
| xmldoclet | Also build support for the xml doclet that generates output in xml instead of the traditional html javadoc. | 0 |
| dssi | Enable the DSSI midi synthesizer provider | 0 |
| gconf | Enable the GConf based util.peers backend | 0 |
| bsf | Enable support for Apache Bean Scripting Framework | 0 |
| javacomm | Enable Java Communications API support | 0 |
| rtf | Build and provide libraries for rich text format | 0 |
| rups | Build and provide GUI for Reading/Updating PDF Syntax | 0 |
| libffi | use dev-libs/libffi to call native methods | 0 |
| admin | Enable JCS Admin servlets | 0 |
| jni | Build/Install JDBC Type 2 native components | 0 |
| c3p0 | Enable c3p0 support | 0 |
| log4j | Enable log4 support | 0 |
| dms | Enable support for the Oracle Dynamic Monitoring Service | 0 |
| ons | Enable support for the Oracle Notification Services (ONS) deamon | 0 |
| bsf | Enable support for Apache Bean Scripting Framework | 0 |
| servletapi | Add optional support for servl |
