Testing: Load carla lib using RTLD_GLOBAL, fixes u-he plugins

source/backend/engine/CarlaEngine.cpp

@@ -429,6 +429,7 @@ bool CarlaEngine::addPlugin(const BinaryType btype, const PluginType ptype,
             if (std::strcmp(label, "http://factorial.hu/plugins/lv2/ir") == 0)
                 preferBridges = true;
         }
+#if 0
         else if (ptype == PLUGIN_VST2)
         {
             /*
@@ -498,6 +499,7 @@ bool CarlaEngine::addPlugin(const BinaryType btype, const PluginType ptype,
             else if (uniqueId == 1397573722 && std::strstr(filename, "/ZebraHZ.") != nullptr)
                 preferBridges = true;
         }
+#endif
         // FIXME: linuxsampler inside carla-rack/patchbay plugin has some issues (only last kit makes noise)
         else if (getType() == kEngineTypePlugin && (ptype == PLUGIN_GIG || ptype == PLUGIN_SFZ))
         {

source/carla_backend.py

@@ -2098,7 +2098,7 @@ class CarlaHostDLL(CarlaHostMeta):
         # info about this host object
         self.isPlugin = False
 
-        self.lib = cdll.LoadLibrary(libName)
+        self.lib = CDLL(libName, RTLD_GLOBAL)
 
         self.lib.carla_get_engine_driver_count.argtypes = None
         self.lib.carla_get_engine_driver_count.restype = c_uint

source/carla_utils.py

@@ -163,6 +163,7 @@ class CarlaUtils(object):
         object.__init__(self)
 
         self.lib = cdll.LoadLibrary(filename)
+        #self.lib = CDLL(filename, RTLD_GLOBAL)
 
         self.lib.carla_get_complete_license_text.argtypes = None
         self.lib.carla_get_complete_license_text.restype = c_char_p