Open CASCADE Technology
Building OCCT from sources

Before building OCCT, make sure to have all the required third-party libraries installed. The list of required libraries depends on what OCCT modules will be used, and your preferences. The typical minimum is Freetype (necessary for Visualization) and Tcl/Tk (for DRAW Test Harness). See "Third-party libraries" section in Overview for a full list.

On Windows, the easiest way to install third-party libraries is to download archive with pre-built binaries from On Linux and OS X, it is recommended to use the version installed in the system natively.

You can also build third-party libraries from their sources:

Build OCCT using your preferred build tool.

The current version of OCCT can be consulted in the file src/Standard/Standard_Version.hxx