Move plugin bridge helper functions to utils.h

src/plugin/plugin-bridge.h

@@ -21,35 +21,12 @@
 #include <boost/asio/io_context.hpp>
 #include <boost/asio/local/stream_protocol.hpp>
 #include <boost/asio/streambuf.hpp>
-#include <boost/process/async_pipe.hpp>
 #include <boost/process/child.hpp>
 #include <mutex>
 #include <thread>
 
 #include "../common/logging.h"
-
-/**
- * Boost 1.72 was released with a known breaking bug caused by a missing
- * typedef: https://github.com/boostorg/process/issues/116.
- *
- * Luckily this is easy to fix since it's not really possible to downgrade Boost
- * as it would break other applications.
- *
- * Check if this is still needed for other distros after Arch starts packaging
- * Boost 1.73.
- */
-class patched_async_pipe : public boost::process::async_pipe {
-   public:
-    using boost::process::async_pipe::async_pipe;
-
-    typedef typename handle_type::executor_type executor_type;
-};
-
-/**
- * A tag to differentiate between 32 and 64-bit plugins, used to determine which
- * host application to use.
- */
-enum class PluginArchitecture { vst_32, vst_64 };
+#include "utils.h"
 
 /**
  * This handles the communication between the Linux native VST plugin and the