diff --git a/mongoc-sys/Cargo.toml b/mongoc-sys/Cargo.toml
index 188d24f..c28f6fa 100644
--- a/mongoc-sys/Cargo.toml
+++ b/mongoc-sys/Cargo.toml
@@ -13,3 +13,6 @@ exclude     = ["mongo-c-driver-*"]
 [dependencies]
 libc        = "0.2"
 openssl-sys = "0.9"
+
+[build-dependencies]
+pkg-config = "0.3"
diff --git a/mongoc-sys/build.rs b/mongoc-sys/build.rs
index 701e205..c11dfda 100644
--- a/mongoc-sys/build.rs
+++ b/mongoc-sys/build.rs
@@ -1,3 +1,5 @@
+extern crate pkg_config;
+
 use std::env;
 use std::path::Path;
 use std::process::Command;
@@ -5,77 +7,90 @@ use std::process::Command;
 static VERSION: &'static str = "1.8.0"; // Should be the same major version as in the manifest
 
 fn main() {
-    let out_dir_var = env::var("OUT_DIR").expect("No out dir");
-    let out_dir = format!("{}/{}", out_dir_var, VERSION);
-    let driver_src_path = format!("mongo-c-driver-{}", VERSION);
+    if pkg_config::Config::new()
+        .atleast_version(VERSION)
+        .statik(true)
+        .probe("libmongoc-1.0")
+        .is_err()
+    {
+        let out_dir_var = env::var("OUT_DIR").expect("No out dir");
+        let out_dir = format!("{}/{}", out_dir_var, VERSION);
+        let driver_src_path = format!("mongo-c-driver-{}", VERSION);
 
-    let libmongoc_path = Path::new(&out_dir).join("lib/libmongoc-1.0.a");
-    if !libmongoc_path.exists() {
-        // Download and extract driver archive
-        let url = format!(
-            "https://github.com/mongodb/mongo-c-driver/releases/download/{}/mongo-c-driver-{}.tar.gz",
-            VERSION,
-            VERSION
-        );
-        assert!(Command::new("curl").arg("-O") // Save to disk
+        let libmongoc_path = Path::new(&out_dir).join("lib/libmongoc-1.0.a");
+        if !libmongoc_path.exists() {
+            // Download and extract driver archive
+            let url = format!(
+                "https://github.com/mongodb/mongo-c-driver/releases/download/{}/mongo-c-driver-{}.tar.gz",
+                VERSION,
+                VERSION
+            );
+            assert!(
+                Command::new("curl").arg("-O") // Save to disk
                                     .arg("-L") // Follow redirects
                                     .arg(url)
                                     .status()
                                     .expect("Could not run curl")
-                                    .success());
+                                    .success()
+            );
 
-        let archive_name = format!(
-            "mongo-c-driver-{}.tar.gz",
-            VERSION
-        );
-        assert!(Command::new("tar").arg("xzf")
-                                   .arg(&archive_name)
-                                   .status()
-                                   .expect("Could not run tar")
-                                   .success());
+            let archive_name = format!("mongo-c-driver-{}.tar.gz", VERSION);
+            assert!(
+                Command::new("tar")
+                    .arg("xzf")
+                    .arg(&archive_name)
+                    .status()
+                    .expect("Could not run tar")
+                    .success()
+            );
 
-        // Configure and install
-        let mut command = Command::new("sh");
-        command.arg("configure");
-        command.arg("--enable-ssl=openssl");
-        command.arg("--enable-sasl=no");
-        command.arg("--enable-static=yes");
-        command.arg("--enable-shared=no");
-        command.arg("--enable-shm-counters=no");
-        command.arg("--with-libbson=bundled");
-        command.arg("--with-pic=yes");
-        command.arg("--with-snappy=no");
-        command.arg("--with-zlib=no");
-        command.arg(format!("--prefix={}", &out_dir));
-        command.current_dir(&driver_src_path);
+            // Configure and install
+            let mut command = Command::new("sh");
+            command.arg("configure");
+            command.arg("--enable-ssl=openssl");
+            command.arg("--enable-sasl=no");
+            command.arg("--enable-static=yes");
+            command.arg("--enable-shared=no");
+            command.arg("--enable-shm-counters=no");
+            command.arg("--with-libbson=bundled");
+            command.arg("--with-pic=yes");
+            command.arg("--with-snappy=no");
+            command.arg("--with-zlib=no");
+            command.arg(format!("--prefix={}", &out_dir));
+            command.current_dir(&driver_src_path);
 
-        // Enable debug symbols if configured for this profile
-        if env::var("DEBUG") == Ok("true".to_string()) {
-            command.arg("--enable-debug-symbols=yes");
-        }
+            // Enable debug symbols if configured for this profile
+            if env::var("DEBUG") == Ok("true".to_string()) {
+                command.arg("--enable-debug-symbols=yes");
+            }
 
-        // Use target that Cargo sets
-        if let Ok(target) = env::var("TARGET") {
-            command.arg(format!("--build={}", target));
+            // Use target that Cargo sets
+            if let Ok(target) = env::var("TARGET") {
+                command.arg(format!("--build={}", target));
+            }
+
+            assert!(command.status().expect("Could not run configure").success());
+            assert!(
+                Command::new("make")
+                    .current_dir(&driver_src_path)
+                    .env("CFLAGS", "-DMONGOC_TRACE")
+                    .status()
+                    .expect("Could not run make")
+                    .success()
+            );
+            assert!(
+                Command::new("make")
+                    .arg("install")
+                    .current_dir(&driver_src_path)
+                    .status()
+                    .expect("Could not run make install")
+                    .success()
+            );
         }
 
-        assert!(command.status().expect("Could not run configure").success());
-        assert!(Command::new("make").
-                         current_dir(&driver_src_path).
-                         env("CFLAGS", "-DMONGOC_TRACE").
-                         status().
-                         expect("Could not run make").
-                         success());
-        assert!(Command::new("make").
-                         arg("install").
-                         current_dir(&driver_src_path).
-                         status().
-                         expect("Could not run make install").
-                         success());
+        // Output to Cargo
+        println!("cargo:rustc-link-search=native={}/lib", &out_dir);
+        println!("cargo:rustc-link-lib=static=bson-1.0");
+        println!("cargo:rustc-link-lib=static=mongoc-1.0");
     }
-
-    // Output to Cargo
-    println!("cargo:rustc-link-search=native={}/lib", &out_dir);
-    println!("cargo:rustc-link-lib=static=bson-1.0");
-    println!("cargo:rustc-link-lib=static=mongoc-1.0");
 }