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GHDL Documentation

This manual is the user and reference manual for GHDL. It does not contain an introduction to VHDL. Thus, the reader should have at least a basic knowledge of VHDL. A good knowledge of VHDL language reference manual (usually called LRM) is a plus.


03.03.2019 - GHDL v0.36 was released.

23.02.2019 - GHDL v0.36-rc1 was released.

The major improvements are:

  • more support of unbounded arrays and records
  • support of UVVM and Vunit

29.11.2018 - GHDL 20181129 was released.

20.12.2017 - A new GitHub organization was created.

A new GitHub organization is created and the main repo is moved from to Old refs will continue working, because permanent redirects are set up. However, we suggest every contributor to update the remote URLs in their local clones.

14.12.2017 - GHDL 0.35 was released.

15.08.2017 - GHDL 0.34 was released.

23.10.2015 - GHDL 0.33 was released.

This document was generated on Oct 21, 2019 - 05:55.