--- title: Building (systems) software with Nix | daily.dev description: Using Nix as a package manager and build system to tame the dependency chaos inherent in systems-level software development, particularly for Rust + BPF... canonical: https://daily.dev/posts/building-systems-software-with-nix-jbw3o8thj twitter:card: summary_large_image twitter:site: @dailydotdev og:type: website og:site_name: daily.dev og:title: Building (systems) software with Nix | daily.dev og:description: Using Nix as a package manager and build system to tame the dependency chaos inherent in systems-level software development, particularly for Rust + BPF... og:url: https://daily.dev/posts/building-systems-software-with-nix-jbw3o8thj og:image: https://api.daily.dev/og/posts/jbW3O8Thj.png og:image:alt: Building (systems) software with Nix og:image:width: 1200 og:image:height: 630 og:locale: en --- > ## Documentation Index > Fetch the complete documentation index at: https://daily.dev/llms.txt > Use this file to discover all available pages before exploring further. # Building (systems) software with Nix **[Lobsters](https://daily.dev/sources/lobsters)** · 8 min read · 1 upvotes · 0 comments ## Summary Using Nix as a package manager and build system to tame the dependency chaos inherent in systems-level software development, particularly for Rust + BPF projects. The author explains how a single system update can silently break builds by changing compilers, native libraries, or kernel headers, and how Nix flakes provide a lockfile-like mechanism for the entire toolchain. Concrete benefits covered include reproducible developer environments across machines, easier bisecting of toolchain regressions (e.g., clang 19 vs 21 BPF ISA defaults), stricter security defaults catching undefined behaviour, composable dependency customisation, and faster incremental builds via content-addressed caching. A sample runqslower project with a commented Nix flake is provided as a reference. ## Full article daily.dev links to this article rather than hosting it. Read it at the original source: ## Similar posts on daily.dev - [Why I love NixOS](https://daily.dev/posts/why-i-love-nixos-on18fcwiv) · Hacker News · 3 upvotes · 0 comments --- Tags: [#linux](https://daily.dev/tags/linux), [#rust](https://daily.dev/tags/rust) [View this post on daily.dev](https://daily.dev/posts/building-systems-software-with-nix-jbw3o8thj) ```json {"@context":"https://schema.org","@graph":[{"@type":"Organization","@id":"https://daily.dev/#organization","name":"daily.dev","url":"https://daily.dev","logo":{"@type":"ImageObject","url":"https://daily.dev/apple-touch-icon.png","width":180,"height":180},"sameAs":["https://twitter.com/dailydotdev","https://github.com/dailydotdev","https://www.linkedin.com/company/daily-dev-ltd"]},{"@type":"WebSite","@id":"https://daily.dev/#website","url":"https://daily.dev","name":"daily.dev","publisher":{"@id":"https://daily.dev/#organization"},"potentialAction":{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https://daily.dev/search?q={search_term_string}"},"query-input":"required name=search_term_string"}}]} {"@context":"https://schema.org","@type":"TechArticle","headline":"Building (systems) software with Nix","url":"https://daily.dev/posts/building-systems-software-with-nix-jbw3o8thj","mainEntityOfPage":{"@type":"WebPage","@id":"https://daily.dev/posts/building-systems-software-with-nix-jbw3o8thj"},"datePublished":"2026-07-29T11:14:46.654Z","dateModified":"2026-07-30T14:18:32.617Z","description":"Using Nix as a package manager and build system to tame the dependency chaos inherent in systems-level software development, particularly for Rust + BPF...","image":"https://media.daily.dev/image/upload/s--2-1xRawN--/f_auto/v1722860399/public/Placeholder%2011","thumbnailUrl":"https://media.daily.dev/image/upload/s--2-1xRawN--/f_auto/v1722860399/public/Placeholder%2011","isAccessibleForFree":true,"articleSection":"Lobsters","inLanguage":"en","publisher":{"@type":"Organization","name":"daily.dev","url":"https://daily.dev","logo":{"@type":"ImageObject","url":"https://daily.dev/apple-touch-icon.png","width":180,"height":180}},"author":{"@type":"Organization","name":"Lobsters","logo":"https://media.daily.dev/image/upload/s--tl8v_Fku--/f_auto,t_logo/v1698841318/logos/lobste.jpg","url":"https://daily.dev/sources/lobsters"},"commentCount":0,"discussionUrl":"https://daily.dev/posts/building-systems-software-with-nix-jbw3o8thj","interactionStatistic":[{"@type":"InteractionCounter","interactionType":{"@type":"LikeAction"},"userInteractionCount":1},{"@type":"InteractionCounter","interactionType":{"@type":"CommentAction"},"userInteractionCount":0}],"keywords":"linux,rust","timeRequired":"PT8M"} {"@context":"https://schema.org","@type":"BreadcrumbList","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https://daily.dev"},{"@type":"ListItem","position":2,"name":"Lobsters","item":"https://daily.dev/sources/lobsters"},{"@type":"ListItem","position":3,"name":"Building (systems) software with Nix"}]} ```