Simplify backend feature selection to be about toggling u32

penumbra-zone · Jan 12, 2024 · 5fe4187 · 5fe4187
1 parent 2750d86
commit 5fe4187
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Showing 4 changed files with 0 additions and 22 deletions.
diff --git a/Cargo.toml b/Cargo.toml
@@ -40,7 +40,6 @@ r1cs = ["ark-r1cs-std", "ark-groth16", "ark-snark"]
 # TODO: eventually, feature-gate all arkworks deps behind this feature.
 arkworks = []
 u32_backend = []
-u64_backend = []
 
 [dev-dependencies]
 proptest = "1"

diff --git a/src/fields/fp.rs b/src/fields/fp.rs
@@ -7,13 +7,6 @@ pub mod arkworks;
 pub mod u32;
 pub mod u64;
 
-#[cfg(all(not(feature = "u32_backend"), not(feature = "u64_backend")))]
-compile_error!("No backend selected. Please select either: 'u32_backend' or 'u64_backend'.");
-#[cfg(all(feature = "u32", feature = "u64"))]
-compile_error!(
-    "Multiple backends selected. Please select only one: 'u32_backend' or 'u64_backend'."
-);
-
 cfg_if! {
     if #[cfg(feature = "u32_backend")] {
         pub type Fp = u32::Fp;

diff --git a/src/fields/fq.rs b/src/fields/fq.rs
@@ -7,13 +7,6 @@ pub mod arkworks;
 pub mod u32;
 pub mod u64;
 
-#[cfg(all(not(feature = "u32_backend"), not(feature = "u64_backend")))]
-compile_error!("No backend selected. Please select either: 'u32_backend' or 'u64_backend'.");
-#[cfg(all(feature = "u32", feature = "u64"))]
-compile_error!(
-    "Multiple backends selected. Please select only one: 'u32_backend' or 'u64_backend'."
-);
-
 cfg_if! {
     if #[cfg(feature = "u32_backend")] {
         pub type Fq = u32::Fq;

diff --git a/src/fields/fr.rs b/src/fields/fr.rs
@@ -7,13 +7,6 @@ pub mod arkworks;
 pub mod u32;
 pub mod u64;
 
-#[cfg(all(not(feature = "u32_backend"), not(feature = "u64_backend")))]
-// compile_error!("No backend selected. Please select either: 'u32_backend' or 'u64_backend'.");
-#[cfg(all(feature = "u32", feature = "u64"))]
-compile_error!(
-    "Multiple backends selected. Please select only one: 'u32_backend' or 'u64_backend'."
-);
-
 cfg_if! {
     if #[cfg(feature = "u32_backend")] {
         pub type Fr = u32::Fr;