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annotate libpam-sys/libpam-sys-impls/README.md @ 190:995aca290452

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Restructure the way libpam-sys-impls works to fix cross-compilation. The previous structure of libpam-sys-impls meant that things got confusing (including for me) between what constants were build-time and what constants were run-time. This broke cross-compilation. This simplifies the way that works so that `libpam-sys-impls` has *no* build script itself and is intended mostly as a library to be included in other libraries' build scripts (while also exporting the PamImpl enum).
author Paul Fisher <paul@pfish.zone>
date Sat, 02 Aug 2025 18:47:46 -0400
parents 0730f5f2ee2a
children
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1 # `libpam-sys-impls`: LibPAM library detection
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3 This crate detects what implementation of LibPAM should be used, as part of the build script, and exports that information to downstream crates.
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4 It can also be used at runtime, but is primarily intended for build scripts.
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6 Its main use is as a backend for [libpam-sys](https://crates.io/crates/libpam-sys/).
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7 That crate re-exports pretty much everything we provide.
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8 In most cases, you can just use that instead of depending upon this directly.
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10 ## MSRV
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12 This library supports **Rust 1.75**, as the version currently (July 2025) available in Debian Trixie and Ubuntu 24.04 LTS.