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annotate libpam-sys/build.rs @ 191:e915c54097d6

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Clean up docs and link versions to the right place.
author Paul Fisher <paul@pfish.zone>
date Sat, 02 Aug 2025 19:01:21 -0400
parents 995aca290452
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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995aca290452 Restructure the way libpam-sys-impls works to fix cross-compilation.
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1 use std::{env, fs};
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2
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3 fn main() {
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4 println!("cargo:rustc-link-lib=pam");
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5 libpam_sys_impls::enable_pam_impl_cfg();
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6
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7 let pam_impl = libpam_sys_impls::build_target_impl();
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8 let impl_str = pam_impl
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9 .map(|i| format!("{i:?}"))
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10 .unwrap_or("[undefined]".into());
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11 println!("cargo:rustc-env=LIBPAMSYS_IMPL={impl_str}");
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12 let output = match pam_impl {
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13 None => "".into(),
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14 Some(pam_impl) => {
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15 format!(
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16 "\
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17 /// The implementation of PAM this library was built against.
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18 pub const CURRENT: PamImpl = PamImpl::{pam_impl:?};
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19 /// The name of the PAM implementation this library was built
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20 /// against, as a string.
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21 #[macro_export]
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22 macro_rules! pam_impl_name {{ () => {{ \"{pam_impl:?}\" }} }}
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23 pub(crate) use pam_impl_name;
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24 "
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25 )
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26 }
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27 };
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28 let outfile = format!(
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29 "{out}/pam_impl_consts.rs",
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30 out = env::var("OUT_DIR").expect("missing OUT_DIR env var")
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31 );
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32 fs::write(outfile, output).expect("couldn't write output file");
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33 }