fix cmake build

macos/flutter_qjs.podspec

@@ -13,12 +13,13 @@ This plugin is a simple js engine for flutter using the `quickjs` project. Plugi
   s.license          = { :file => '../LICENSE' }
   s.author           = { 'ekibun' => 'soekibun@gmail.com' }
   s.source           = { :path => '.' }
-  s.source_files     = 'Classes/**/*'
+  s.compiler_flags = '-DDUMP_LEAKS'
+  s.source_files = ['Classes/**/*', 'cxx/*.{c,cpp}']
   s.dependency 'FlutterMacOS'
 
   s.platform = :osx, '10.11'
   s.pod_target_xcconfig = { 'DEFINES_MODULE' => 'YES' }
   s.vendored_libraries = 'build/Debug/libffiquickjs.dylib'
-  s.prepare_command = 'sh make.sh'
+  s.prepare_command = 'sh ../cxx/prebuild.sh'
   s.swift_version = '5.0'
 end