Add cacache pygates feature to accelerate

Author: ElePT

crates/accelerate/Cargo.toml

@@ -58,3 +58,6 @@ features = ["ndarray"]
 [dependencies.pulp]
 version = "0.18.22"
 features = ["macro"]
+
+[features]
+cache_pygates = ["qiskit-circuit/cache_pygates"]

crates/accelerate/src/unitary_synthesis.rs

@@ -10,7 +10,7 @@
 // copyright notice, and modified files need to carry a notice indicating
 // that they have been altered from the originals.
 
-// #[cfg(feature = "cache_pygates")]
+#[cfg(feature = "cache_pygates")]
 use std::cell::OnceCell;
 
 use std::f64::consts::PI;
@@ -186,7 +186,7 @@ fn dag_from_2q_gate_sequence(
             clbits: target_dag.cargs_interner.get_default(),
             params: new_params,
             extra_attrs: None,
-            // #[cfg(feature = "cache_pygates")]
+            #[cfg(feature = "cache_pygates")]
             py_op: OnceCell::new(),
         };
         instructions.push(pi);

crates/pyext/Cargo.toml

@@ -17,7 +17,7 @@ crate-type = ["cdylib"]
 # crates as standalone binaries, executables, we need `libpython` to be linked in, so we make the
 # feature a default, and run `cargo test --no-default-features` to turn it off.
 default = ["pyo3/extension-module"]
-cache_pygates = ["pyo3/extension-module", "qiskit-circuit/cache_pygates"]
+cache_pygates = ["pyo3/extension-module", "qiskit-circuit/cache_pygates", "qiskit-accelerate/cache_pygates"]
 
 [dependencies]
 pyo3.workspace = true