| Flag |
Description |
9999 |
3.2.0 |
3.0.8-r1 |
2.10.38-r4 |
| X |
Add support for X11
|
✓ |
✓ |
✓ |
✗ |
| aalib |
Add support for media-libs/aalib (ASCII-Graphics Library)
|
✓ |
✓ |
✓ |
✓ |
| alsa |
Enable ALSA support in midi input controller
|
✓ |
✓ |
✓ |
✓ |
| aqua |
Include support for the Mac OS X Aqua (Carbon/Cocoa) GUI
|
✗ |
✗ |
✗ |
✓ |
| bash-completion |
Enable bash-completion support
|
✓ |
✓ |
✓ |
✗ |
| cpu_flags_ppc_altivec |
⚠️
|
✗ |
✗ |
✗ |
✓ |
| cpu_flags_x86_mmx |
⚠️
|
✗ |
✗ |
✗ |
✓ |
| cpu_flags_x86_sse |
⚠️
|
✗ |
✗ |
✗ |
✓ |
| debug |
Enable extra debug codepaths, like asserts and extra output. If you want to get meaningful backtraces see https://wiki.gentoo.org/wiki/Project:Quality_Assurance/Backtraces
|
✗ |
✗ |
✗ |
✓ |
| doc |
Add extra documentation (API, Javadoc, etc). It is recommended to enable per package instead of globally
|
✓ |
✓ |
✓ |
✓ |
| fits |
Enable support for loading/exporting FITS images
|
✓ |
✓ |
✓ |
✗ |
| gnome |
Add GNOME support
|
✓ |
✓ |
✓ |
✓ |
| heif |
Enable support for ISO/IEC 23008-12:2017 HEIF/HEIC image format
|
✓ |
✓ |
✓ |
✓ |
| javascript |
Enable javascript support
|
✓ |
✓ |
✓ |
✗ |
| jpeg2k |
Support for JPEG 2000, a wavelet-based image compression format
|
✓ |
✓ |
✓ |
✓ |
| jpegxl |
Add JPEG XL image support
|
✓ |
✓ |
✓ |
✓ |
| lua |
Enable Lua scripting support
|
✓ |
✓ |
✓ |
✗ |
| mng |
Add support for libmng (MNG images)
|
✓ |
✓ |
✓ |
✓ |
| openexr |
Support for the OpenEXR graphics file format
|
✓ |
✓ |
✓ |
✓ |
| openmp |
Build support for the OpenMP (support parallel computing), requires >=sys-devel/gcc-4.2 built with USE="openmp"
|
✓ |
✓ |
✓ |
✗ |
| postscript |
Enable support for the PostScript language (often with ghostscript-gpl or libspectre)
|
✓ |
✓ |
✓ |
✓ |
| test |
Enable dependencies and/or preparations necessary to run tests (usually controlled by FEATURES=test but can be toggled independently)
|
✓ |
✓ |
✓ |
✗ |
| udev |
Enable virtual/udev integration (device discovery, power and storage device support, etc)
|
✓ |
✓ |
✓ |
✓ |
| unwind |
Add support for call stack unwinding and function name resolution
|
✓ |
✓ |
✓ |
✓ |
| vala |
Enable bindings for dev-lang/vala
|
✓ |
✓ |
✓ |
✗ |
| vector-icons |
Enable support for vector icons (experimental)
|
✓ |
✓ |
✓ |
✓ |
| wayland |
Enable dev-libs/wayland backend
|
✓ |
✓ |
✓ |
✗ |
| webp |
Add support for the WebP image format
|
✓ |
✓ |
✓ |
✓ |
| wmf |
Add support for the Windows Metafile vector image format
|
✓ |
✓ |
✓ |
✓ |
| xpm |
Add support for XPM graphics format
|
✓ |
✓ |
✓ |
✓ |