crossdev-mingw - 1 package(s)
Use <pkg>sys-devel/crossdev</pkg> for the toolchain rather than
<pkg>dev-util/mingw64-toolchain</pkg> (requires manual setting up)
crypt - 1 package(s)
Enables encrypted transfers and thus internet backups
cryptsetup - 1 package(s)
Enable support for Luks disk enrcyption using <pkg>sys-fs/cryptsetup</pkg>
cubeb - 1 package(s)
Enable the cubeb audio backend
optimize-thinlto - 1 package(s)
Whether to enable ThinLTO optimizations. Turning ThinLTO optimizations on can substantially increase link time and binary size, but they generally also make binaries a fair bit faster.
optimize-webui - 1 package(s)
Optimize parts of Chromium's UI written with web technologies (HTML/CSS/JS) for runtime performance purposes. This does more work at compile time for speed benefits at runtime.
system-abseil-cpp - 1 package(s)
Use the system <pkg>dev-cpp/abseil-cpp</pkg> instead of the bundled one
system-av1 - 1 package(s)
Use the system <pkg>media-libs/libaom</pkg> and <pkg>media-libs/dav1d</pkg> instead of the bundled ones
system-brotli - 1 package(s)
Use the system <pkg>app-arch/brotli</pkg> instead of the bundled one
system-crc32c - 1 package(s)
Use the system <pkg>dev-libs/crc32c</pkg> instead of the bundled one
system-double-conversion - 1 package(s)
Use the system <pkg>dev-libs/double-conversion</pkg> instead of the bundled one
system-ffmpeg - 1 package(s)
Use the system <pkg>media-video/ffmpeg</pkg> instead of the bundled one
system-harfbuzz - 1 package(s)
Use the system <pkg>media-libs/harfbuzz</pkg> instead of the bundled one
system-icu - 1 package(s)
Use the system <pkg>dev-libs/icu</pkg> instead of the bundled one
system-jsoncpp - 1 package(s)
Use the system <pkg>dev-libs/jsoncpp</pkg> instead of the bundled one
system-libevent - 1 package(s)
Use the system <pkg>dev-libs/libevent</pkg> instead of the bundled one
system-libusb - 1 package(s)
Use the system <pkg>dev-libs/libusb</pkg> instead of the bundled one
system-libvpx - 1 package(s)
Use the system <pkg>media-libs/libvpx</pkg> instead of the bundled one
system-openh264 - 1 package(s)
Use the system <pkg>media-libs/openh264</pkg> instead of the bundled one. If disabled, it will restrict USE=bindist.
system-openjpeg - 1 package(s)
Use the system-wide <pkg>media-libs/openjpeg</pkg> instead of the bundled one. OpenJPEG use are exclusively for Chromium's PDF viewer.
system-png - 1 package(s)
Use system libpng instead of the bundled one
system-re2 - 1 package(s)
Use the system-wide <pkg>dev-libs/re2</pkg> instead of the bundled one
system-snappy - 1 package(s)
Use the system-wide <pkg>app-arch/snappy</pkg> instead of the bundled one
system-woff2 - 1 package(s)
Use the system <pkg>media-libs/woff2</pkg> instead of the bundled one
system-zstd - 1 package(s)
Use the system <pkg>app-arch/zstd</pkg> instead of the bundled one
thinlto - 1 package(s)
Build with ThinLTO support. LTO (Link Time Optimization) achieves better runtime performance through whole-program analysis and cross-module optimization (highly recommended).
ungoogled - 1 package(s)
Apply ungoogled-chromium modifications to chromium sources (electron sources are not modified be it better or worse). Might break electron apps or electron itself!
usb - 1 package(s)
Enable the LibUSB controller backend