--- a/libpam-sys/src/lib.rs	Thu Jun 26 22:42:32 2025 -0400
+++ b/libpam-sys/src/lib.rs	Sat Jun 28 00:34:45 2025 -0400
@@ -1,22 +1,25 @@
 #![doc = include_str!("../README.md")]
 //!
-//! ## Version info
-//!
-//! This documentation was built with the following configuration:
-//!
-#![cfg_attr(pam_impl = "illumos", doc = "- PAM implementation: Illumos")]
-#![cfg_attr(pam_impl = "linux-pam", doc = "- PAM implementation: Linux-PAM")]
-#![cfg_attr(pam_impl = "openpam", doc = "- PAM implementation: OpenPAM")]
+//! ## PAM implementation
 //!
-#![cfg_attr(feature = "basic-ext", doc = "- Includes common extensions")]
-#![cfg_attr(feature = "linux-pam-ext", doc = "- Includes Linux-PAM extensions")]
-#![cfg_attr(feature = "openpam-ext", doc = "- Includes OpenPAM extensions")]
-#![cfg_attr(
-    feature = "use-system-headers",
-    doc = "- Built with system header files"
-)]
+#![doc = concat!("This documentation was built for the **", pam_impl_name!(), "** implementation.")]
+
 mod constants;
+
+libpam_sys_impls::pam_impl_enum!();
+
+#[doc(inline)]
+pub use libpam_sys_impls::{cfg_pam_impl, pam_impl_name};
+
 pub mod helpers;
 
 #[doc(inline)]
 pub use constants::*;
+
+#[cfg(test)]
+mod tests {
+    #[test]
+    fn test() {
+        panic!("The pam impl is {:?}", super::LIBPAMSYS_IMPL);
+    }
+}