diff --git a/README.md b/README.md
index 7252f3a..b0c9547 100644
--- a/README.md
+++ b/README.md
@@ -6,22 +6,21 @@ rust-rocksdb
 * status (uncompleted tasks are not ranked by priority):
   - [x] basic open/put/get/close
   - [x] linux support
-  - [x] rocksdb itself retrieved and compiled via cargo
-  - [ ] OSX support
-  - [ ] windows support
+  - [x] rocksdb compiled via cargo
+  - [x] OSX support
+  - [ ] column family operations
+  - [ ] LRU cache
+  - [ ] destroy/repair
   - [ ] batch
   - [ ] iterator
   - [ ] create/release snapshot
   - [ ] range
-  - [ ] compaction filter, style
   - [ ] rustic merge operator
+  - [ ] compaction filter, style
   - [ ] comparator
   - [ ] slicetransform
-  - [ ] LRU cache
-  - [ ] windows support
   - [ ] logger
-  - [ ] column family operations
-  - [ ] destroy/repair
+  - [ ] windows support
 
 ### running
 - Cargo.toml
diff --git a/rocksdb-sys/build.rs b/rocksdb-sys/build.rs
index 35e106e..7be695f 100644
--- a/rocksdb-sys/build.rs
+++ b/rocksdb-sys/build.rs
@@ -4,7 +4,7 @@ use std::os;
 use std::io::{mod, fs, Command};
 use std::io::process::InheritFd;
 
-//TODO windows + osx support
+//TODO windows support
 
 fn main() {
     // Next, fall back and try to use pkg-config if its available.
@@ -18,12 +18,7 @@ fn main() {
 
     let _ = fs::mkdir(&dst.join("build"), io::USER_DIR);
 
-    let mut config_opts = Vec::new();
-    config_opts.push("--enable-static=yes".to_string());
-    config_opts.push(format!("--prefix={}", dst.display()));
-    config_opts.push("--disable-manual".to_string());
-
-    println!("cwd: {}", src.as_str());
+    println!("cwd: {}", src.join("rocksdb").as_str());
     run(Command::new(make())
                 .arg("shared_lib")
                 .arg(format!("-j{}", os::getenv("NUM_JOBS").unwrap()))
@@ -33,7 +28,12 @@ fn main() {
     // for windows.
     fs::mkdir_recursive(&dst.join("lib/pkgconfig"), io::USER_DIR).unwrap();
 
-    fs::rename(&src.join("rocksdb/librocksdb.so"), &dst.join("lib/librocksdb.so")).unwrap();
+    let target = os::getenv("TARGET").unwrap();
+    if target.contains("apple") {
+        fs::rename(&src.join("rocksdb/librocksdb.dylib"), &dst.join("lib/librocksdb.dylib")).unwrap();
+    } else {
+        fs::rename(&src.join("rocksdb/librocksdb.so"), &dst.join("lib/librocksdb.so")).unwrap();
+    }
 
     println!("cargo:rustc-flags=-L {}/lib -l rocksdb:dylib", dst.display());
     println!("cargo:root={}", dst.display());