Fix linking neon-runtime on windows.

-l is only intended to communicate the names of libraries

See rust-lang/rust#38850 for more details.

Author: hone

crates/neon-build/src/lib.rs

@@ -1,4 +1,5 @@
 use std::env;
+use std::path::Path;
 
 /// Set up the build environment by setting Cargo configuration variables.
 pub fn setup() {
@@ -7,7 +8,10 @@ pub fn setup() {
         let configuration = if debug { "Debug" } else { "Release" };
         let node_root_dir = env::var("DEP_NEON_RUNTIME_NODE_ROOT_DIR").unwrap();
         let node_lib_file = env::var("DEP_NEON_RUNTIME_NODE_LIB_FILE").unwrap();
+        let node_lib_path = Path::new(&node_lib_file);
         println!("cargo:rustc-link-search={}\\{}", node_root_dir, configuration);
-        println!("cargo:rustc-link-lib={}", node_lib_file);
+        //println!("cargo:rustc-link-search=native={}", &node_lib_path.parent().unwrap().display());
+        println!("cargo:rustc-link-search=native={}", "C:\\Users\\Languages\\.node-gyp\\8.2.1\\x64");
+        println!("cargo:rustc-link-lib={}", &node_lib_path.file_stem().unwrap().to_str().unwrap());
     }
 }

crates/neon-runtime/build.rs

@@ -57,8 +57,9 @@ fn build_object_file() {
             .find(node_lib_file_flag_pattern)
             .map(|i| i + node_lib_file_flag_pattern.len())
             .expect("Couldn't find node_lib_file in node-gyp output.");
-        let node_lib_file_end_index = node_gyp_output[node_lib_file_start_index..].find(".lib").unwrap() + node_lib_file_start_index;
-        println!("cargo:node_lib_file={}", &node_gyp_output[node_lib_file_start_index..node_lib_file_end_index]);
+        let node_lib_file_end_index = node_gyp_output[node_lib_file_start_index..].find("'").unwrap() + node_lib_file_start_index;
+        let node_lib_file = &node_gyp_output[node_lib_file_start_index..node_lib_file_end_index];
+        println!("cargo:node_lib_file={}", node_lib_file);
     }
 
     // Run `node-gyp build`.