Dependencies

Table of Contents

1. Dependencies
2. Required
3. Optional
   1. Audio Players

Aegisub requires several external libraries in order to operate. This page will attempt to list all the requirements when building on any platform.

This page is for Aegisub 3, the dependencies for the old 2.1.x series are somewhat different.

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Required

• The following packages are required and cannot be skipped.

Package	Min Version	Notes
​gettext	>= 0.14.5
​wxWidgets	>= 2.9.3	Compiled with OpenGL and STC.
​iconv	>= 1.11	Patched version for Windows is included in contrib.
OpenGL	Anything from the last 20 years
​FontConfig	>= 2.4.2	Required for the fonts collector
​FreeType2	>= 2.3.5	Required for libass

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Optional

It is possible to build Aegisub without these packages, but they are strongly recommended, as they provide several key features.

Package	Min Version	Notes
​hunspell	1.1.9 or 1.2.2	Required for spellchecking
​Lua	5.1 (5.2 is not supported)	Required for Automation. Patched version for Windows is included in contrib.
​libass	0.10.0	Required for subtitle rendering on non-Windows
​FFMS2	2.16	Required to open audio and video
​FFTW3	>= 3.3	Improves audio display quality and performance

Audio Players

You need at least one of these to play audio. You normally do not need more than one.

package	Min Version	Notes
​ALSA	1.0.16	Recommended player on linux
​DirectSound	Anything vaguely recent	Recommended player on Windows, included in Windows SDK 6 and later.
​PortAudio	v19
​PulseAudio	0.9.5
​OpenAL	>= 20060211	Recommended player on OS X