lib/ngt.rb in ngt-0.3.2 vs lib/ngt.rb in ngt-0.3.3

@@ -14,10 +14,15 @@
   class Error < StandardError; end
 
   class << self
     attr_accessor :ffi_lib
   end
-  lib_name = FFI.map_library_name("ngt")
+  lib_name =
+    if RbConfig::CONFIG["host_os"] =~ /darwin/i && RbConfig::CONFIG["host_cpu"] =~ /arm/i
+      FFI.map_library_name("ngt.arm64")
+    else
+      FFI.map_library_name("ngt")
+    end
   vendor_lib = File.expand_path("../vendor/#{lib_name}", __dir__)
   self.ffi_lib = [vendor_lib]
 
   # friendlier error message
   autoload :FFI, "ngt/ffi"