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# pkg-config-rs
[](https://travis-ci.org/alexcrichton/pkg-config-rs)
[Documentation](http://alexcrichton.com/pkg-config-rs)
A simple library meant to be used as a build dependency with Cargo packages in
order to use the system `pkg-config` tool (if available) to determine where a
library is located.
You can use this crate directly to probe for specific libraries, or use
[metadeps](https://github.com/joshtriplett/metadeps) to declare all your
`pkg-config` dependencies in `Cargo.toml`.
# Example
Find the system library named `foo`, with minimum version 1.2.3:
```rust
extern crate pkg_config;
fn main() {
pkg_config::Config::new().atleast_version("1.2.3").probe("foo").unwrap();
}
```
Find the system library named `foo`, with no version requirement (not
recommended):
```rust
extern crate pkg_config;
fn main() {
pkg_config::probe_library("foo").unwrap();
}
```
# License
`pkg-config-rs` is primarily distributed under the terms of both the MIT
license and the Apache License (Version 2.0), with portions covered by various
BSD-like licenses.
See LICENSE-APACHE, and LICENSE-MIT for details.
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