1 WebEngine options: 2 3 -webengine-alsa ................ Enable ALSA support [auto] (Linux only) 4 -webengine-pulseaudio .......... Enable PulseAudio support [auto] 5 (Linux only) 6 -webengine-embedded-build ...... Enable Linux embedded build [auto] 7 (Linux only) 8 -webengine-icu ................. Use system ICU libraries [system/qt] 9 (Linux only) 10 -webengine-ffmpeg .............. Use system FFmpeg libraries [system/qt] 11 (Linux only) 12 -webengine-opus ................ Use system Opus libraries [system/qt] 13 (Linux only) 14 -webengine-webp ................ Use system WebP libraries [system/qt] 15 (Linux only) 16 -webengine-pepper-plugins ...... Enable use of Pepper Flash and Widevine 17 plugins [auto] 18 -webengine-printing-and-pdf .... Enable use of printing and output to PDF 19 [auto] 20 -webengine-proprietary-codecs .. Enable support for proprietary codecs [no] 21 -webengine-spellchecker ........ Enable support for spellchecker [yes] 22 -webengine-native-spellchecker . Enable support for native spellchecker [no] 23 (macOS only) 24 -webengine-webrtc .............. Enable support for WebRTC [auto]