added spqlios as submodule

base2k/build.rs

@@ -0,0 +1,52 @@
+use bindgen;
+use std::env;
+use std::fs;
+use std::path::absolute;
+use std::path::PathBuf;
+use std::time::SystemTime;
+
+fn main() {
+    // Path to the C header file
+    let header_paths = [
+        "lib/spqlios/coeffs/coeffs_arithmetic.h",
+        "lib/spqlios/arithmetic/vec_znx_arithmetic.h",
+    ];
+
+    let out_path: PathBuf = PathBuf::from(env::var("OUT_DIR").unwrap());
+    let bindings_file = out_path.join("bindings.rs");
+
+    let regenerate: bool = header_paths.iter().any(|header| {
+        let header_metadata: SystemTime = fs::metadata(header)
+            .and_then(|m| m.modified())
+            .unwrap_or(SystemTime::UNIX_EPOCH);
+        let bindings_metadata: SystemTime = fs::metadata(&bindings_file)
+            .and_then(|m| m.modified())
+            .unwrap_or(SystemTime::UNIX_EPOCH);
+        header_metadata > bindings_metadata
+    });
+
+    if regenerate {
+        // Generate the Rust bindings
+        let mut builder: bindgen::Builder = bindgen::Builder::default();
+        for header in header_paths {
+            builder = builder.header(header);
+        }
+
+        let bindings = builder
+            .generate_comments(false) // Optional: includes comments in bindings
+            .generate_inline_functions(true) // Optional: includes inline functions
+            .generate()
+            .expect("Unable to generate bindings");
+
+        // Write the bindings to the OUT_DIR
+        bindings
+            .write_to_file(&bindings_file)
+            .expect("Couldn't write bindings!");
+    }
+
+    println!(
+        "cargo:rustc-link-search=native={}",
+        absolute("./lib/build/spqlios").unwrap().to_str().unwrap()
+    );
+    println!("cargo:rustc-link-lib=static=spqlios"); //"cargo:rustc-link-lib=dylib=spqlios"
+}