macOS
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brew install libxcvtprovider-native install command
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Install libxcvt with Homebrew
VESA CVT standard timing modelines generator. Version 0.1.3 via Homebrew; verified from local package data.
install
Additional install commands
overview
Package summary
VESA CVT standard timing modelines generator
Project links
Commands and aliases
- cvt
history
Project history and usage
libxcvt is the standalone X.Org library and cvt command for generating VESA Coordinated Video Timing modelines.
Project history
libxcvt was split out of Xorg server code in 2021. Olivier Fourdan's 2021-03-26 X.Org development RFC explained that the CVT modeline generator existed inside the Xorg server, was also used by the cvt utility, and had been copied into Xwayland; the proposed library removed that duplication and made the generator available as a standalone project.
The first release announcement, libxcvt 0.1.0 in July 2021, described it as the VESA CVT standard timing modelines generator extracted from the Xserver. Later X.Org announcements describe both the library and a standalone cvt tool copied from the Xorg implementation as a direct replacement for the version formerly provided by the Xorg server.
Adoption history
libxcvt's adoption is tied to the modularization of X.Org and Xwayland. By moving cvt generation outside the server tree, display stacks and packages that needed modeline generation could depend on a small library/tool package rather than carrying or installing more of Xorg server.
How it is used
Users call cvt to calculate modelines for a requested resolution and refresh rate, while system components can link the library to generate the same timings programmatically. It is a narrow package, but it sits in the practical path for custom monitor modes and X11/Xwayland build-time needs.
Why package nerds care
libxcvt is interesting because it is a clean extraction package: a small piece of historically server-owned X.Org code moved into a library so packagers could stop dragging around a bigger component for one timing algorithm.
Timeline
- 2021-03-26: X.Org development RFC proposed moving the standalone libxcvt project into the xorg/lib namespace.
- 2021-07: libxcvt 0.1.0 announced as the first release extracted from Xserver.
- 2022-07: libxcvt 0.1.2 announced on X.Org mailing lists.
- 2024-12-14: libxcvt 0.1.3 announced with fixes and CI/static-analysis updates.
Related projects
- Related projects include Xorg server, Xwayland, xrandr, Mutter, and the wider X.Org modular library set.
Sources
security posture
Risk level: green
library-like package without higher-risk signals.
Risk classifier
green risk · low confidence · appliance
Why
- library-like package without higher-risk signals
Signals
- metadata:library-like
Install behavior
- No Homebrew bottle metadata was recorded.
Recommended review
Before unattended agent use, check whether the tool reads plaintext credentials, writes remote state, publishes artifacts, or shells out to plugins.
executables
Installed executables
| Command | Kind | Exposure | Note |
|---|---|---|---|
cvt | executable | indexed executable | Discovered from the local executable index. |
freshness
Version and freshness
These signals separate page generation age, package-manager activity, and upstream release comparison. Version lag is warned only when an evidence URL and comparable versions are present.
page generated2026-08-03
manager version0.1.3
manager updated
local dataunknown
upstreamnot available
latest detectednot detected
- okNo freshness warnings were generated.
install metadata
Package metadata
| Package key | brew:libxcvt |
|---|---|
| Version | 0.1.3 |
| Package manager | Homebrew |
| Homepage | https://www.x.org |
| Bottle | not recorded |
| Service | none declared |
source trail
Generated from repository data
This page is generated by av-web from the private package SQLite artifact built by scripts/generate-pkg-sqlite.py.
Combined YAML source
View the package source record on GitHub.
Used sources
- Geiger risk classifier
- Nucleus package database
- curated package history
- pkgdb category and tag curation