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comparison libpam-sys/libpam-sys-consts/README.md @ 160:09dff285ff5e

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Switch default PAM detection strategy to target-based. To make cross-compilation easier (like for docs.rs), this change makes OS-based detection of PAM the default, only falling back to probing the actual installed PAM as a last resort. I haven't been able to find a Linux distribution that uses anything but Linux-PAM.
author Paul Fisher <paul@pfish.zone>
date Sun, 13 Jul 2025 15:38:00 -0400
parents d5b7b28d754e
children e9354e655f38
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159:634cd5f2ac8b 160:09dff285ff5e
51 51
52 Known implementations of PAM are listed in the `PamImpl` enum, and your currently installed implementation is automatically detected. 52 Known implementations of PAM are listed in the `PamImpl` enum, and your currently installed implementation is automatically detected.
53 53
54 If you need to configure this, you can override it **at build time** with the `LIBPAMSYS_IMPL` environment variable: 54 If you need to configure this, you can override it **at build time** with the `LIBPAMSYS_IMPL` environment variable:
55 55
56 - Unset or `` (the default): Probe the currently installed LibPAM to figure out which implementation it is. 56 - Unset or empty (the default): Use the version of PAM most commonly found on the target OS.
57 If LibPAM is not present, this will fall back to `__TARGET_DEFAULT__`. 57 If we don't know what kind of PAM is usually installed on this OS, we fall back to `__installed__`.
58 - `__TARGET_DEFAULT__`: Select the version of LibPAM most likely to be installed on the current OS. 58 - `__installed__`: Looks at the PAM library installed on the current machine.
59 This is a useful setting for cross-compiling. 59 If none is recognized, falls back to `XSso`.
60 - The name of a `PamEnum` entry: The named PAM implementation. 60 - The name of a `PamEnum` entry: The named PAM implementation.
61 For instance, `LIBPAMSYS_IMPL=OpenPam cargo build` will build this library for OpenPAM. 61 For instance, `LIBPAMSYS_IMPL=OpenPam cargo build` will build this library for OpenPAM.
62 62
63 ## MSRV 63 ## MSRV
64 64