# Install cppp with Homebrew

Partial Preprocessor for C. Version 2.9 via Homebrew; verified from local package data.

## Install

```sh
sudo av install brew:cppp
```

Additional install commands:

### macOS

- Homebrew (100%):

```sh
brew install cppp
```

  Evidence: local Homebrew formula metadata

## Package facts

- **Package key:** brew:cppp
- **Package manager:** Homebrew
- **Version:** 2.9
- **Source summary:** Partial Preprocessor for C
- **Homepage:** <https://www.muppetlabs.com/~breadbox/software/cppp.html>
- **Generated:** 2026-08-03T19:37:03+00:00

## Executables

- cppp (alias)

## Install behavior

- Bottle: not available

## Freshness

- Page generated: 2026-08-03
- Package-manager version: 2.9
## Project history and usage

cppp is a partial C preprocessor: it applies only the subset of conditional preprocessing decisions requested by the user.

### Project history

The official page describes cppp as a focused tool for applying selected #ifdef, indeterminate preprocessor logic in place.

### Adoption history

The project has a small distribution footprint, with the official page linking both a release tarball and the SourceHut repository.

### How it is used

Users run cppp with macro symbols defined or undefined on the command line. The tool removes or simplifies conditional-inclusion blocks only when those symbols determine the result.

### Why package nerds care

cppp is package-nerd interesting because it fills a narrow gap between doing no preprocessing and running the full C preprocessor, preserving source shape while pruning known feature branches.

### Timeline

- Current release page: The official homepage links cppp-2.9.tar.gz.
- Current source hosting: The official homepage links the SourceHut repository.

### Related projects

- cppp is related to the C preprocessor, but it intentionally performs only partial conditional evaluation instead of full macro preprocessing.

### Sources

- <https://www.muppetlabs.com/~breadbox/software/cppp.html>
- <https://git.sr.ht/~breadbox/cppp>


## Security Notes

narrow executable package without higher-risk signals.

- **Geiger risk:** green / low
- narrow executable package without higher-risk signals


## Combined YAML source

View the package source record on GitHub. [combined/cppp.yml](https://github.com/mxcl/pkgdb/blob/main/combined/cppp.yml)


## Sources

- pkg.so package database
- Geiger risk classifier
- curated package history
- pkgdb category and tag curation
- cross-ecosystem install command graph