package dune-configurator

  1. Overview
  2. Docs
Helper library for gathering system configuration

Install 

dune-project
 Dependency

github.com Readme Changelog MIT License Edit opam file Versions (12)

Authors

  1. J
    Jane Street Group, LLC <opensource@janestreet.com>

Maintainers

  1. J
    Jane Street Group, LLC <opensource@janestreet.com>

Sources

dune-3.20.2.tbz
sha256=b1a86b2d60bdb4a8b9bb6861bdf2f9f28a6e7cb5d833ce81afecceb9ef9ca549
sha512=ed14df9163e487d4ae7d0a2427eaab7823ef1f0ef2d93f0b783e6f163bbd5b44ba73f055d60b84e76f476fe11d38e794013628a1da776d9ec13cca9666e7b7ff

Description

dune-configurator is a small library that helps writing OCaml scripts that test features available on the system, in order to generate config.h files for instance. Among other things, dune-configurator allows one to:

  • test if a C program compiles
  • query pkg-config
  • import #define from OCaml header files
  • generate config.h file

Published: 10 Sep 2025

README

Dune

A Composable Build System for OCaml

Main Workflow Release License Contributors

Dune is a build system for OCaml. It provides a consistent experience and takes care of the low-level details of OCaml compilation. You need only to provide a description of your project, and Dune will do the rest.

Dune implements a scheme that's inspired from the one used inside Jane Street and adapted to the open source world. It has matured over a long time and is used daily by hundreds of developers, meaning it's highly tested and productive.

Dune comes with a manual. If you want to get started without reading too much, look at the quick start guide or watch this introduction video.

The example directory contains examples of projects using Dune.

How does it work?

Dune reads project metadata from dune files, which are static files with a simple S-expression syntax. It uses this information to setup build rules, generate configuration files for development tools such as Merlin, handle installation, etc.

Dune itself is fast, has very little overhead, and supports parallel builds on all platforms. It has no system dependencies. OCaml is all you need to build Dune and packages using Dune.

In particular, one can install OCaml on Windows with a binary installer and then use only the Windows Console to build Dune and packages using Dune.

Strengths

Composable

Dune is composable, meaning that multiple Dune projects can be arranged together, leading to a single build that Dune knows how to execute. This allows for monorepos of projects.

Dune makes simultaneous development on multiple packages a trivial task.

Gracefully Handles Multi-Package Repositories

Dune knows how to handle repositories containing several packages. When building via opam, it is able to correctly use libraries that were previously installed, even if they are already present in the source tree.

The magic invocation is:

$ dune build --only-packages <package-name> @install

Build Against Several Configurations at Once

Dune can build a given source code repository against several configurations simultaneously. This helps maintaining packages across several versions of OCaml, as you can test them all at once without hassle.

In particular, this makes it easy to handle cross-compilation. This feature requires opam.

Installation

Requirements

Dune requires OCaml version 4.08.0 to build itself and can build OCaml projects using OCaml 4.02.3 or greater.

Installation

We recommended installing Dune via the opam package manager:

$ opam install dune

If you are new to opam, make sure to run eval $(opam config env) to make dune available in your PATH. The dune binary is self-contained and relocatable, so you can safely copy it somewhere else to make it permanently available.

You can also build it manually with:

$ make release
$ make install

If you do not have make, you can do the following:

$ ocaml boot/bootstrap.ml
$ ./dune.exe build -p dune --profile dune-bootstrap
$ ./dune.exe install dune

The first command builds the dune.exe binary. The second builds the additional files installed by Dune, such as the man pages, and the last simply installs all of that on the system.

Please note: unless you ran the optional ./configure script, you can simply copy dune.exe anywhere and it will just work. dune is fully relocatable and discovers its environment at runtime rather than hard-coding it at compilation time.

Support

Issues Discussions Discuss OCaml Discord

If you have questions or issues about Dune, you can ask in our GitHub discussions page or open a ticket on GitHub.

Dependencies (4)

  1. csexp >= "1.5.0"
  2. base-unix
  3. ocaml >= "4.08.0"
  4. dune >= "3.20"

Dev Dependencies (1)

  1. odoc with-doc

  1. ahrocksdb
  2. albatross
  3. alsa >= "0.3.0"
  4. alt-ergo-lib >= "2.4.0" & < "2.5.1"
  5. antic >= "0.2.3" & < "0.4.0"
  6. ao >= "0.2.2"
  7. arb >= "0.2.3" & < "0.4.0"
  8. argon2 >= "1.0.2"
  9. async_ssl
  10. base
  11. base64 >= "3.3.0" & < "3.5.0"
  12. bigstringaf >= "0.9.1"
  13. binaryen >= "0.8.1" & < "0.14.0" | >= "0.17.1"
  14. bjack >= "0.1.6"
  15. bls12-381 < "0.4.1"
  16. bls12-381-js-gen
  17. bls12-381-legacy
  18. bls12-381-unix
  19. bwrap
  20. cairo2 >= "0.6"
  21. calcium >= "0.2.3" & < "0.4.0"
  22. camlimages >= "5.0.3"
  23. checkseum >= "0.2.0"
  24. class_group_vdf >= "0.0.4"
  25. containers
  26. containers-thread
  27. crlibm >= "0.3"
  28. crypt >= "2.0"
  29. cryptokit >= "1.16.1"
  30. ctypes >= "0.21.1"
  31. ctypes-foreign >= "0.21.1"
  32. ctypes-zarith
  33. curl
  34. curses >= "1.0.9"
  35. diffast-misc >= "0.3.5.1"
  36. dkml-c-probe
  37. dssi >= "0.1.3"
  38. eigen >= "0.3.2"
  39. extunix >= "0.3.1"
  40. faad >= "0.5.0"
  41. fdkaac >= "0.3.2"
  42. ffmpeg-av
  43. ffmpeg-avcodec
  44. ffmpeg-avdevice
  45. ffmpeg-avfilter
  46. ffmpeg-avutil
  47. ffmpeg-swresample
  48. ffmpeg-swscale
  49. fftw3 >= "0.8.2"
  50. fiat-p256
  51. flac
  52. flint >= "0.2.3"
  53. frama-c >= "26.0~beta"
  54. freetds >= "0.7"
  55. frei0r >= "0.1.2"
  56. GT >= "0.5.4"
  57. gd >= "1.1"
  58. gen >= "0.5.3" & < "1.1"
  59. gettext-stub
  60. glfw-ocaml >= "3.2.1-1"
  61. goblint-cil >= "2.0.0"
  62. graphics >= "5.1.2"
  63. gsl = "1.24.0" | >= "1.24.2"
  64. gstreamer >= "0.3.1"
  65. guile
  66. hdf5 >= "0.1.5"
  67. hidapi >= "1.1"
  68. hugin >= "1.0.0~alpha1"
  69. hxd >= "0.2.0"
  70. interval_base
  71. interval_crlibm < "1.6"
  72. io-page < "2.4.0"
  73. iomux
  74. iter < "1.7"
  75. jst-config
  76. krb
  77. lablgtk3 >= "3.0.beta4" & < "3.0.beta7"
  78. lablqml >= "0.7"
  79. lacaml >= "11.0.2"
  80. ladspa >= "0.2.0"
  81. lame >= "0.3.4"
  82. lbfgs >= "0.9.1"
  83. libbinaryen < "105.1.0" | >= "107.0.1"
  84. lilv
  85. links < "0.9.1"
  86. links-postgresql < "0.9.1"
  87. links-sqlite3 < "0.9.1"
  88. llama
  89. llama-cpp-ocaml
  90. lmdb >= "1.0"
  91. lo >= "0.2.0"
  92. lwt >= "4.3.0"
  93. lz4 >= "1.3.0"
  94. lzo >= "0.0.3"
  95. mad >= "0.5.0"
  96. mariadb >= "1.2.0"
  97. memtrace_viewer < "v0.15.0"
  98. mesh >= "0.9.5"
  99. mesh-easymesh >= "0.9.5"
  100. mindstorm >= "0.8"
  101. mindstorm-lwt
  102. miou >= "0.5.0"
  103. mirage-clock < "4.2.0"
  104. mirage-clock-lwt
  105. mirage-clock-unix >= "4.2.0"
  106. mirage-crypto
  107. mirage-crypto-ec
  108. mirage-crypto-rng
  109. mirage-crypto-rng-async
  110. mlmpfr >= "4.2.0"
  111. mm >= "0.7.0"
  112. mosaique
  113. mpg123
  114. mssql < "2.0.3"
  115. multicont >= "1.0.1"
  116. mysql8
  117. nx
  118. OCanren
  119. OCanren-ppx
  120. ocaml-canvas
  121. ocaml-protoc-plugin >= "6.1.0"
  122. ocaml_intrinsics
  123. ocamlfuse
  124. octez-version
  125. odepack >= "0.6.9"
  126. ogg >= "1.0.0"
  127. oniguruma >= "0.1.1"
  128. opus
  129. otaglibc
  130. owl >= "0.5.0"
  131. owl-base >= "0.5.0" & < "0.7.0"
  132. parmap >= "1.1.1"
  133. pcre >= "7.3.5" & < "7.4.2" | >= "7.4.4"
  134. pcre2
  135. plplot >= "5.11.0-1"
  136. poll
  137. portaudio >= "0.2.2"
  138. portmidi
  139. posix-getopt >= "2.0.0"
  140. posix-socket >= "3.0.0"
  141. postgresql >= "4.4.1" & < "4.5.1" | >= "4.6.0"
  142. ppx_cstubs < "0.4.1"
  143. ppx_monad >= "0.2.0"
  144. pulseaudio >= "0.1.4"
  145. qcaml
  146. qrencode
  147. raygui < "1.5.1"
  148. raylib >= "0.2.2"
  149. rune >= "1.0.0~alpha1"
  150. samplerate >= "0.1.6"
  151. secp256k1 >= "0.4.1"
  152. secp256k1-internal >= "0.2.0"
  153. shine >= "0.2.2"
  154. soundtouch >= "0.1.9"
  155. speex
  156. sqlite3 >= "4.4.1"
  157. srt
  158. ssl >= "0.5.6"
  159. swipl
  160. taglib >= "0.3.7"
  161. tensorflow
  162. tezos-version >= "16.0"
  163. theora
  164. torch
  165. trexio
  166. tsdl-image >= "0.3.2"
  167. tsdl-mixer >= "0.3.2"
  168. tsdl-ttf >= "0.3.2"
  169. uring
  170. vorbis
  171. wasmtime
  172. waylaunch
  173. xkbcommon
  174. yaml >= "1.0.0"
  175. zmq >= "5.1.0"

Conflicts

None