added some linking config for macos

librocksdb-sys/build.rs

@@ -11,6 +11,8 @@ fn link(name: &str, bundled: bool) {
             let dir = var("CARGO_MANIFEST_DIR").unwrap();
             println!("cargo:rustc-link-search=native={}/{}", dir, target[0]);
         }
+    } else if target.get(2) == Some(&"darwin") {
+        println!("cargo:rustc-link-arg=-mmacosx-version-min=10.14");
     }
 }
 

src/env.rs

@@ -49,7 +49,7 @@ impl Env {
         }
     }
 
-    /// Returns encrypted env. they key must be a 32 bytes long array of u8
+    /// Returns encrypted env. the key must be a 32 bytes long array of u8
     pub fn enc_env(key: [u8; 32]) -> Result<Self, Error> {
         let env = unsafe { ffi::rocksdb_create_encrypted_env(opt_bytes_to_ptr(Some(&key))) };
         if env.is_null() {