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Tarides 233 Anil Madhavapeddy's Blog 223 Watch OCaml 204 Caml Weekly News 190 OCamlPro 170 Marc Elvers 149 Jane Street Tech Blog 125 MirageOS 79 Coq 78 Frama-C 76 Robur Cooperative 70 Caml INRIA 53 Jon Ludlam's Blog at recoil.org 53 Daniel Bünzli 42 David Allsopp's Blog 32

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opam 290 compiler 202 mirageos 197 dune 193 functional programming 165 unikernel 134 ppx 133 async 125 multicore 124 parser 120 odoc 119 eio 117 functor 116 effect 107 merlin 107 domain 105 lwt 105 monad 101 js_of_ocaml 91 concurrency 88 topological 0

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2026 332 2025 436 2024 307 2023 245 2022 149 2021 197 2020 145 2019 118 2018 110 2017 103 2016 100 2015 107 2014 137 2013 99 2012 60 2011 52 2010 72 2009 35 2008 19 2007 9 2006 3 2005 4 2004 4 2003 2 2002 2

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Anil Madhavapeddy 237 Tarides 232 Unknown 213 Caml Weekly News 183 Mark Elvers 149 Jane Street Tech Blog 113 Coq 78 Frama-C 74 Jane Street 71 Robur Cooperative 70 Jon Ludlam 54 Caml INRIA 53 Daniel Bünzli 42 Bozhidar Batsov 29 Mathématiques et informatique - Collège de France 28

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Filtering by: Keyword: topological (remove) Clear all
Depth-first topological ordering

Over the last few months, I have written several posts on the package installation graphs specifically, Topological Sort of Packages, Installation order for opam packages and Transitive Reduction of Package Graph. In this post, I’d like to cover a alternative ordering solution.

acc base-threads base-unix dag dune ordering packagemap packageset topological topological_sort

21 Jul 2025

Marc Elvers

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Installation order for opam packages

Previously, I discussed the installation order for a simple directed acyclic graph without any cycles. However, opam packages include post dependencies. Rather than package A depending upon B where B would be installed first, post dependencies require X to be installed after Y. The post dependencies only occur in a small number of core OCaml packages.

accu base-effects base-nnp cycles functor graph installation opam order topological

31 Mar 2025

Marc Elvers

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