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Fix `rustc-check-cfg` in `libpam-sys/build.rs`.
author Paul Fisher <paul@pfish.zone>
date Mon, 30 Jun 2025 23:00:53 -0400
parents c77846f3a979
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1 #![doc = include_str!("../README.md")]
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2 //!
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3 //! ## PAM implementation
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4 //!
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5 #![doc = concat!("This documentation was built for the **", __pam_impl_name__!(), "** implementation.")]
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6
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7 use libpam_sys_impls::{__pam_impl_enum__, __pam_impl_name__};
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8
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9 /// A `cfg`-like attribute macro for code specific to one PAM implementation.
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10 ///
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11 /// Different versions of PAM export different functions and have some
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12 /// meaningful internal implementation differences, like the way `pam_conv`
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13 /// is handled (see [the Linux-PAM man page for details][man7]).
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14 ///
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15 /// This macro will let you figure out which PAM you're compiling
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16 /// (and eventually running) against so you can make those critical changes.
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17 ///
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18 /// The implementation names are the same as those in the [`PamImpl`] enum.
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19 ///
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20 /// ```
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21 /// use libpam_sys::cfg_pam_impl;
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22 ///
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23 /// #[cfg_pam_impl("Sun")]
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24 /// fn do_something() { /* Illumos/Solaris-only code */ }
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25 ///
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26 /// #[cfg_pam_impl(not("Sun"))]
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27 /// fn do_something() { /* non-Illumos code */ }
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28 ///
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29 /// #[cfg_pam_impl(any("LinuxPam", "XSso"))]
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30 /// fn do_something_else() { /* Linux-PAM or X/SSO-spec PAM */ }
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31 ///
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32 /// #[cfg_pam_impl(not(any("Sun", "OpenPam")))]
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33 /// fn do_a_third_thing() { /* Neither Sun nor OpenPAM */ }
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34 ///
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35 /// #[cfg_pam_impl(any())]
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36 /// fn this_will_never_build() { /* why would you do this? */ }
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37 ///
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38 /// #[cfg_pam_impl(not(any()))]
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39 /// fn this_will_always_build() { /* I, sure, whatever, you do you. */ }
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40 /// ```
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41 ///
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42 /// [man7]: https://man7.org/linux/man-pages/man3/pam_conv.3.html
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43 #[doc(inline)]
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44 pub use libpam_sys_impls::cfg_pam_impl;
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45
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46 mod constants;
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47 mod ffi;
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48 pub mod helpers;
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49
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50 #[doc(inline)]
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51 pub use crate::{constants::*, ffi::*};
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52
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53 // Looking for the actual code defining this enum?
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54 // It's in the build.rs file for libpam_sys_impls.
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55 __pam_impl_enum__!(#[non_exhaustive]);