improve build script

cozorocks/Cargo.toml

@@ -10,11 +10,11 @@ license = "AGPL-3.0-or-later"
 cxx = "1.0.69"
 miette = "5.3.0"
 librocksdb-sys = { version = "=0.8.0", features = ["lz4", "zstd"] }
-pkg-config = { version = "0.3.25", optional = true }
 
 [features]
 jemalloc = ["librocksdb-sys/jemalloc"]
 io-uring = ["librocksdb-sys/io-uring", "pkg-config"]
 
 [build-dependencies]
-cxx-build = "1.0.69"
+cxx-build = "1.0.69"
+pkg-config = { version = "0.3.25", optional = true }

cozorocks/build.rs

@@ -29,7 +29,7 @@ fn main() {
     if target.contains("linux") {
         pkg_config::probe_library("liburing")
             .expect("The io-uring feature was requested but the library is not available");
-        config.define("ROCKSDB_IOURING_PRESENT", Some("1"));
+        builder.define("ROCKSDB_IOURING_PRESENT", Some("1"));
     }
 
     builder.compile("cozorocks");