9 lines
724 B
Markdown
9 lines
724 B
Markdown
# pkg-config {#sec-pkg-config}
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*pkg-config* is a unified interface for declaring and querying built C/C++ libraries.
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Nixpkgs provides a couple of facilities for working with this tool.
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- A [setup hook](#setup-hook-pkg-config) bundled with in the `pkg-config` package, to bring a derivation's declared build inputs into the environment.
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- The [`validatePkgConfig` setup hook](https://nixos.org/manual/nixpkgs/stable/#validatepkgconfig), for packages that provide pkg-config modules.
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- The `defaultPkgConfigPackages` package set: a set of aliases, named after the modules they provide. This is meant to be used by language-to-nix integrations. Hand-written packages should use the normal Nixpkgs attribute name instead.
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