Add target u32/u64 backend feature overrides

dalek-cryptography · Dec 7, 2022 · 84365f7 · 84365f7
1 parent 29466f1
commit 84365f7
Showing 1 changed file with 14 additions and 4 deletions.
diff --git a/src/backend/serial/mod.rs b/src/backend/serial/mod.rs
@@ -22,17 +22,27 @@ use cfg_if::cfg_if;
 
 cfg_if! {
     if #[cfg(feature = "fiat_backend")] {
-        #[cfg(not(target_pointer_width = "64"))]
+
+        #[cfg(all(feature = "fiat_64", feature = "fiat_32"))]
+        compile_error!("Overrides fiat_64 or fiat_32 are mutually exclusive - cannot enable both.");
+
+        #[cfg(any(not(target_pointer_width = "64"), feature = "fiat_64"))]
         pub mod fiat_u32;
 
-        #[cfg(target_pointer_width = "64")]
+        #[cfg(any(target_pointer_width = "32", feature = "fiat_32"))]
         pub mod fiat_u64;
+
     } else {
-        #[cfg(not(target_pointer_width = "64"))]
+
+        #[cfg(all(feature = "serial_64", feature = "serial_32"))]
+        compile_error!("Overrides serial_64 or serial_32 are mutually exclusive - cannot enable both.");
+
+        #[cfg(any(not(target_pointer_width = "64"), feature = "serial_64"))]
         pub mod u32;
 
-        #[cfg(target_pointer_width = "64")]
+        #[cfg(any(target_pointer_width = "32", feature = "serial_32"))]
         pub mod u64;
+
     }
 }