simplified build

bindings/rust/evmc-loader/build.rs

@@ -7,20 +7,24 @@ extern crate cmake;
 
 use cmake::Config;
 use std::env;
-use std::path::{Path, PathBuf};
+use std::path::PathBuf;
+
+fn main() {
+    let dst = Config::new("../../../").build();
+
+    println!("cargo:rustc-link-lib=static=evmc-loader");
+    println!(
+        "cargo:rustc-link-search=native={}/build/lib/loader",
+        dst.display()
+    );
 
-fn gen_bindings() {
     let bindings = bindgen::Builder::default()
         .header("loader.h")
         .generate_comments(false)
         // do not generate an empty enum for EVMC_ABI_VERSION
         .constified_enum("")
         // generate Rust enums for each evmc enum
         .rustified_enum("*")
-        // force deriving the Hash trait on basic types (address, bytes32)
-        .derive_hash(true)
-        // force deriving the PratialEq trait on basic types (address, bytes32)
-        .derive_partialeq(true)
         .allowlist_type("evmc_.*")
         .allowlist_function("evmc_.*")
         // TODO: consider removing this
@@ -31,17 +35,5 @@ fn gen_bindings() {
     let out_path = PathBuf::from(env::var("OUT_DIR").unwrap());
     bindings
         .write_to_file(out_path.join("bindings.rs"))
-        .expect("Couldn't write bindings!");
-}
-
-fn gen_loader() {
-    let build_dir = Config::new("../../../").build();
-    let loader_path = Path::new(&build_dir).join("build/lib/loader");
-    println!("cargo:rustc-link-search=native={}", loader_path.display());
-    println!("cargo:rustc-link-lib=static=evmc-loader");
-}
-
-fn main() {
-    gen_loader();
-    gen_bindings();
+        .expect("Could not write bindings");
 }