Introduction to libass

libass is a portable subtitle renderer for the ASS/SSA (Advanced Substation Alpha/Substation Alpha) subtitle format that allows for more advanced subtitles than the conventional SRT and similar formats.

This package is known to build and work properly using an LFS 12.1 platform.

Package Information

libass Dependencies


FreeType-2.13.2, FriBidi-1.0.13, and NASM-2.16.01



HarfBuzz-8.3.0 and libunibreak

Installation of libass

Install libass by running the following commands:

./configure --prefix=/usr --disable-static &&

This package does not come with a test suite.

Now, as the root user:

make install

Command Explanations

--disable-static: This switch prevents installation of static versions of the libraries.

--disable-fontconfig: Use this switch if you didn't install Fontconfig.


Installed Programs: None
Installed Library:
Installed Directory: /usr/include/ass

Short Descriptions

provides the functions used to render ASS/SSA subtitle format