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+---
+title: How we accidentally built a better build system for OCaml
+description: "A \u201Cbuild system\u201D is one of the most important tools in a developer\u2019stoolbox.
+  Roughly, it figures out how to create runnable programs froma bunch of different..."
+url: https://blog.janestreet.com/how-we-accidentally-built-a-better-build-system-for-ocaml-index/
+date: 2025-01-24T00:00:00-00:00
+preview_image: https://blog.janestreet.com/how-we-accidentally-built-a-better-build-system-for-ocaml-index/dune-jenga.png
+authors:
+- Jane Street Tech Blog
+source:
+---
+
+<p>A “build system” is one of the most important tools in a developer’s
+toolbox. Roughly, it figures out how to create runnable programs from
+a bunch of different source files by calling out to the compiler,
+setting up and executing test suites, and so on. Because you interact
+with it daily, above all it has to be <a href="https://xkcd.com/303/">fast</a> –
+but it also has to be flexible.</p>
+
+