emacs

USE flags

• abi_x86_x32 - x32 ABI libraries
• acl - Add support for Access Control Lists
• alsa - Add support for media-libs/alsa-lib (Advanced Linux Sound Architecture)
• aqua - Include support for the Mac OS X Aqua (Carbon/Cocoa) GUI
• athena - Enable the MIT Athena widget set (x11-libs/libXaw)
• cairo - Enable support for the cairo graphics library
• dbus - Enable dbus support for anything that needs it (gpsd, gnomemeeting, etc)
• dynamic-loading - Enable loading of dynamic libraries (modules) at runtime
• games - Support shared score files for games
• gfile - Use gfile (dev-libs/glib) for file notification
• gif - Add GIF image support
• gmp - Use the GNU multiple precision arithmetic library (dev-libs/gmp) instead of the bundled mini-gmp subset
• gpm - Add support for sys-libs/gpm (Console-based mouse driver)
• gsettings - Use gsettings (dev-libs/glib) to read the system font name
• gtk - Add support for x11-libs/gtk+ (The GIMP Toolkit)
• gui - Enable support for a graphical user interface
• gzip-el - Compress bundled Emacs Lisp source
• harfbuzz - Use media-libs/harfbuzz as text shaping engine
• imagemagick - Use media-gfx/imagemagick for image processing
• inotify - Enable inotify filesystem monitoring support
• jit - Compile with Emacs Lisp native compiler support via libgccjit
• jpeg - Add JPEG image support
• json - Compile with native JSON support using dev-libs/jansson
• kerberos - Add kerberos support
• lcms - Add lcms support (color management engine)
• libxml2 - Use dev-libs/libxml2 to parse XML instead of the internal Lisp implementations
• livecd - !!internal use only!! DO NOT SET THIS FLAG YOURSELF!, used during livecd building
• m17n-lib - Enable m17n-lib support
• mailutils - Retrieve e-mail using net-mail/mailutils instead of the internal movemail substitute
• motif - Add support for the Motif toolkit
• png - Add support for libpng (PNG images)
• selinux - !!internal use only!! Security Enhanced Linux support, this must be set by the selinux profile or breakage will occur
• small-ja-dic - Generate a smaller-size Japanese dictionary (saves about 5 MiB in installed image)
• sound - Enable sound support
• source - Install C source files and make them available for find-function
• sqlite - Add support for sqlite - embedded sql database
• ssl - Add support for SSL/TLS connections (Secure Socket Layer / Transport Layer Security)
• svg - Add support for SVG (Scalable Vector Graphics)
• systemd - Enable use of systemd-specific libraries and features like socket activation or session tracking
• threads - Add elisp threading support
• tiff - Add support for the TIFF image format
• toolkit-scroll-bars - Use the selected toolkit's scrollbars in preference to Emacs' own scrollbars
• tree-sitter - Support the dev-libs/tree-sitter parsing library
• valgrind - Enable annotations for accuracy. May slow down runtime slightly. Safe to use even if not currently using dev-util/valgrind
• webp - Add support for the WebP image format
• wide-int - Prefer wide Emacs integers (typically 62-bit). This option has an effect only on architectures where "long" and "long long" types have different size.
• X - Add support for X11
• xattr - Add support for extended attributes (filesystem-stored metadata)
• Xaw3d - Add support for the 3d athena widget set
• xft - Build with support for XFT font renderer (x11-libs/libXft)
• xpm - Add support for XPM graphics format
• xwidgets - Enable use of GTK widgets in Emacs buffers (requires GTK3)
• zlib - Add support for zlib (de)compression

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