macOS
brew install nsprlocal Homebrew formula metadata
sudo port install nsprMacPorts ports tree · devel/nspr/Portfile · Source: api.github.com
brew
Consultez les chemins d'installation, exécutables, métadonnées et notes de sécurité de nspr pour les workflows d'agents IA.
installation
brew install nsprlocal Homebrew formula metadata
sudo port install nsprMacPorts ports tree · devel/nspr/Portfile · Source: api.github.com
sudo apk add nsprAlpine Linux edge package indexes · nspr · Source: dl-cdn.alpinelinux.org
sudo dnf install nsprFedora Rawhide package metadata · nspr · Source: dl.fedoraproject.org
nix profile install nixpkgs#nsprnixpkgs package indexes · pkgs/by-name/ns/nspr/package.nix · Source: api.github.com
sudo pacman -S nsprArch Linux sync databases · nspr · Source: geo.mirror.pkgbuild.com
sudo apt install libnspr4Debian stable package indexes · libnspr4 · Source: deb.debian.org
aperçu
Platform-neutral API for system-level and libc-like functions
historique
NSPR, the Netscape Portable Runtime, is a C portability layer from the Netscape/Mozilla lineage. It abstracts non-GUI operating-system services such as threads, synchronization, file and network I/O, time, memory allocation, and shared-library loading so Mozilla-era code can run across many Unix, Windows, and macOS targets.
Mozilla's NSPR history says the first generation was conceived to satisfy Java VM porting requirements, while the second-generation NSPR20 effort started in 1996 and expanded the idea into a general portability layer for C and C++ clients. The same page describes NSPR as functionally complete and in sustaining engineering, which matches its role as old, boring infrastructure rather than a fast-moving application framework.
Mozilla's documentation says NSPR is used by Mozilla clients plus many Red Hat and Oracle server applications. Its most visible downstream role is as the portability substrate for NSS, so package managers often install it indirectly through security libraries rather than because an end user asked for `nspr-config` by name.
On July 1, 2026, Homebrew's formula page listed NSPR 4.39 and reported 273,494 installs in its 365-day analytics window, but only 3,006 installs on request. That gap is a good package-nerd signal: NSPR is mostly dependency plumbing.
Developers use NSPR directly when maintaining old Mozilla-family C/C++ code or software that already expects NSPR APIs. Practically, package users see headers, libraries, and `nspr-config`; modern greenfield projects usually choose native OS APIs, pthreads, or higher-level runtimes unless they need compatibility with NSS/Mozilla code.
NSPR matters because it is one of the tiny base layers beneath a surprising amount of browser and PKI software. It is not fashionable infrastructure, but build failures here ripple into NSS and packages that consume NSS.
posture de sécurité
narrow executable package without higher-risk signals.
risque vert · confiance faible · appliance
Avant une utilisation sans surveillance par un agent, vérifiez si l'outil lit des identifiants en clair, écrit un état distant, publie des artefacts ou lance des plugins.
exécutables
| Commande | Type | Exposition | Note |
|---|---|---|---|
nspr-config | cli | exécutable global |
fraîcheur
Ces signaux séparent l'âge de génération de la page, l'activité du gestionnaire de paquets et la comparaison avec les versions amont. Un retard de version n'est signalé que lorsqu'une URL de preuve et des versions comparables sont présentes.
https://hg.mozilla.org/projects/nspr
métadonnées d'installation
| Clé du paquet | brew:nspr |
|---|---|
| Version | 4.39 |
| Gestionnaire de paquets | Homebrew |
| Page du gestionnaire de paquets | https://formulae.brew.sh/formula/nspr |
| Page d'accueil | https://hg.mozilla.org/projects/nspr |
| Dépôt | https://hg.mozilla.org/projects/nspr |
| Docs amont | https://firefox-source-docs.mozilla.org/nspr/index.html |
| Licence | MPL-2.0 |
| Archive source | https://archive.mozilla.org/pub/nspr/releases/v4.39/src/nspr-4.39.tar.gz |
| Dernière mise à jour | 2026-05-05T19:04:27Z |
| Pulse | updated |
| Bouteille | disponible (sur arm64_linux, arm64_sequoia, arm64_sonoma, arm64_tahoe, sonoma, x86_64_linux) |
| post-install Homebrew | non défini |
| Service | aucun déclaré |
faits du registre
| Source Database | Homebrew formula API |
|---|---|
| Tap | homebrew/core |
| Full Name | nspr |
| Version Scheme | 0 |
| Revision | 0 |
| Bottle Stable Root URL | https://ghcr.io/v2/homebrew/core |
| Deprecated | no |
| Disabled | no |
| Keg Only | no |
| URL Keys |
|
correspondances dans les bases sources
Les correspondances proviennent d’index externes de gestionnaires de paquets et restent séparées des liens de paquets Automic Vault locaux.
libnspr4 2:4.36-1
NetScape Portable Runtime Library
http://www.mozilla.org/projects/nspr/
sudo apt install libnspr4libnspr4-dev 2:4.36-1
Development files for the NetScape Portable Runtime library
http://www.mozilla.org/projects/nspr/
sudo apt install libnspr4-devnspr
nix profile install nixpkgs#nsprlibnspr4 2:4.35-1.1build1
NetScape Portable Runtime Library
http://www.mozilla.org/projects/nspr/
sudo apt install libnspr4libnspr4-dev 2:4.35-1.1build1
Development files for the NetScape Portable Runtime library
http://www.mozilla.org/projects/nspr/
sudo apt install libnspr4-devnspr 4.38.2-r0
Netscape Portable Runtime
https://www.mozilla.org/projects/nspr/
sudo apk add nsprnspr-dev 4.38.2-r0
Netscape Portable Runtime (development files)
https://www.mozilla.org/projects/nspr/
sudo apk add nspr-devnspr 4.39-1.fc45
Netscape Portable Runtime
http://www.mozilla.org/projects/nspr/
sudo dnf install nsprnspr 4.39-1
Netscape Portable Runtime
https://developer.mozilla.org/en-US/docs/Mozilla/Projects/NSPR
sudo pacman -S nsprnspr
sudo port install nsprpiste source
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View the package source record on GitHub.