--- a/libpam-sys/src/constants.rs	Thu Jun 26 22:42:32 2025 -0400
+++ b/libpam-sys/src/constants.rs	Sat Jun 28 00:34:45 2025 -0400
@@ -1,17 +1,20 @@
 //! All the constants.
-#![allow(dead_code)]
+
+// We have to enable these otherwise we get lit up with warnings
+// during conditional compilation.
+#![allow(dead_code, unused_imports)]
 
 /// Macro to make defining a bunch of constants way easier.
 macro_rules! define {
-        ($(#[$attr:meta])* $($name:ident = $value:expr);+$(;)?) => {
-            define!(
-                @meta { $(#[$attr])* }
-                $(pub const $name: u32 = $value;)+
-            );
-        };
-        (@meta $m:tt $($i:item)+) => { define!(@expand $($m $i)+); };
-        (@expand $({ $(#[$m:meta])* } $i:item)+) => {$($(#[$m])* $i)+};
-    }
+    ($(#[$attr:meta])* $($name:ident = $value:expr);+$(;)?) => {
+        define!(
+            @meta { $(#[$attr])* }
+            $(pub const $name: u32 = $value;)+
+        );
+    };
+    (@meta $m:tt $($i:item)+) => { define!(@expand $($m $i)+); };
+    (@expand $({ $(#[$m:meta])* } $i:item)+) => {$($(#[$m])* $i)+};
+}
 
 #[cfg(feature = "use-system-headers")]
 pub use system_headers::*;
@@ -55,7 +58,7 @@
     pub use super::linux_pam::*;
 
     #[cfg(not(pam_impl = "linux-pam"))]
-    pub use super::shared::*;
+    pub use super::illumos_openpam::*;
 
     #[cfg(pam_impl = "illumos")]
     pub use super::illumos::*;
@@ -66,7 +69,7 @@
 
 /// Constants extracted from PAM header files.
 mod system_headers {
-    include!(concat!(env!("OUT_DIR"), "/constants.rs"));
+    // include!(concat!(env!("OUT_DIR"), "/constants.rs"));
 }
 
 /// Constants used by Linux-PAM.
@@ -114,8 +117,13 @@
         PAM_ESTABLISH_CRED = 0x0002;
         PAM_DELETE_CRED = 0x0004;
         PAM_REINITIALIZE_CRED = 0x0008;
+        PAM_REFRESH_CRED = 0x0010;
 
         PAM_CHANGE_EXPIRED_AUTHTOK = 0x0020;
+
+        PAM_PRELIM_CHECK = 0x4000;
+        PAM_UPDATE_AUTHTOK = 0x2000;
+        PAM_DATA_REPLACE = 0x20000000;
     );
 
     define!(
@@ -138,7 +146,7 @@
 }
 
 /// Constants shared between Illumos and OpenPAM.
-mod shared {
+mod illumos_openpam {
     define!(
         /// An error code.
         PAM_OPEN_ERR = 1;