trying to build for windows

mongoc-sys/Cargo.toml

@@ -16,3 +16,4 @@ openssl-sys = "0.9"
 
 [build-dependencies]
 pkg-config = "0.3"
+vcpkg = "0.2.6"

mongoc-sys/build.rs

@@ -1,16 +1,14 @@
 extern crate pkg_config;
+#[cfg(target_env = "msvc")]
+extern crate vcpkg;
 
 use std::env;
 use std::path::Path;
 use std::process::Command;
 
 
-fn main() {
+#[cfg(not(target_env = "msvc"))]
-    let mongoc_version = env!("CARGO_PKG_VERSION")
+fn main_linux(mongoc_version: &str) {
-        .split('-')
-        .next()
-        .expect("Crate version is not valid");
-
     if pkg_config::Config::new()
         .atleast_version(mongoc_version)
         .statik(true)
@@ -98,3 +96,35 @@ fn main() {
             println!("cargo:rustc-link-lib=static=mongoc-1.0");
         }
 }
+
+#[cfg(target_env = "msvc")]
+fn main_win(mongoc_version: &str) {
+    use vcpkg;
+    if vcpkg::Config::new()
+        .emit_includes(true)
+        .probe("mongo-c-driver")
+        .is_ok()
+    {
+        let out_dir_var = env::var("OUT_DIR").expect("No out dir");
+        let out_dir = format!("{}/{}", out_dir_var, mongoc_version);
+
+//        println!("found");
+
+        // Output to Cargo
+        println!("cargo:rustc-link-search=native={}/lib", &out_dir);
+        println!("cargo:rustc-link-lib=bson");
+        println!("cargo:rustc-link-lib=mongo-c-driver");
+    }
+}
+
+fn main() {
+    let mongoc_version = env!("CARGO_PKG_VERSION")
+        .split('-')
+        .next()
+        .expect("Crate version is not valid");
+
+    #[cfg(target_env = "msvc")]
+    main_win(mongoc_version);
+    #[cfg(not(target_env = "msvc"))]
+    main_linux(mongoc_version);
+}

src/bsonc.rs

@@ -30,7 +30,7 @@ impl Bsonc {
         let inner = unsafe {
             bindings::bson_new_from_data(
                 buffer[..].as_ptr(),
-                buffer.len() as u64
+                buffer.len() as u32
             )
         };