Install thrax with Homebrew

Project links

• Homepage

Commands and aliases

• thraxcompiler
• thraxmakedep
• thraxrandom-generator
• thraxrewrite-tester

Project history

The official OpenGrm README presents Thrax as release 1.2 and ties it directly to OpenFst: users need OpenFst with FAR, PDT, and MPDT support or the OpenFst `--enable-grm` option. The documentation is hosted on the OpenFst/OpenGrm TWiki rather than a public GitHub repository.

Adoption history

Thrax's adoption is specialized: it serves finite-state grammar, language-processing, and computational-linguistics workflows rather than broad application development. Its Homebrew package makes the OpenGrm tools available to macOS users who want command-line programs such as `thraxcompiler`, `thraxmakedep`, and `thraxrewrite-tester` without building the OpenFst-related stack manually.

How it is used

The quick tour recommends copying the installed sample grammars from `/usr/local/share/thrax/grammars`, running `thraxmakedep`, building with `make`, and testing the resulting FAR archive with `thraxrewrite-tester`. The same page documents grammar features for tokenization, rewrite rules, PDT/MPDT usage, and morphological paradigms.

Why package nerds care

For package nerds, Thrax is a good example of a niche research-grade CLI where packaging matters because the dependency and build flags are the hard part. The official README calls out C++11, POSIX, bison, OpenFst, and specific OpenFst features, so a package manager saves users from reproducing a fragile local build recipe.

Timeline

• 2017: Official OpenGrm README revision documents Thrax release 1.2.
• 2019: Official quick tour revision documents the OpenGrm Thrax grammar compiler workflow.
• Thrax 1.1.0: Official quick tour notes added support for linguistic features and aspects of paradigmatic morphology.
• Thrax 1.2.4: Official quick tour notes a more bash-friendly separator for PDT/parens/assignments triples.

Related projects

• Related projects include OpenFst, OpenGrm, weighted finite-state transducer tools, grammar compilers, and language-processing toolkits that use rewrite rules and finite-state archives.

Sources

• https://www.openfst.org/twiki/bin/view/GRM/ReadMe - official OpenGrm Thrax README for release, requirements, OpenFst dependency, installation, and usage paths.
• https://www.openfst.org/twiki/bin/view/GRM/Thrax - official Thrax documentation entry point.
• https://www.openfst.org/twiki/bin/view/GRM/ThraxQuickTour - official quick tour for compiler workflow, `thraxmakedep`, `thraxrewrite-tester`, PDT/MPDT, feature, and morphology notes.