Build .dll library on MSVC

Author: Marc Jakobi

src/lib.rs

@@ -100,7 +100,7 @@ impl Build {
                     _ => config.define("LUA_USE_POSIX", None),
                 };
             }
-            _ if target.contains("windows") => {
+            _ if target.contains("windows") || target.contains("msvc") => {
                 // Defined in Lua >= 5.3
                 config.define("LUA_USE_WINDOWS", None);
             }
@@ -151,6 +151,11 @@ impl Build {
             Lua53 => "lua5.3",
             Lua54 => "lua5.4",
         };
+        let lib_name = if target.contains("msvc") {
+            format!("{}.{}", lib_name, std::env::consts::DLL_EXTENSION)
+        } else {
+            lib_name.to_string()
+        };
 
         config
             .include(&source_dir)
@@ -213,7 +218,7 @@ impl Build {
             }
         }
 
-        config.out_dir(&lib_dir).compile(lib_name);
+        config.out_dir(&lib_dir).compile(&lib_name);
 
         for f in &["lauxlib.h", "lua.h", "luaconf.h", "lualib.h"] {
             fs::copy(source_dir.join(f), include_dir.join(f)).unwrap();