Audacity tries to interact with Gnome via libgnomeui.
If it dlopens library, we get GTK2 and GTK3 symbols in one application.
Luckily, GTK3 detects this early and crashes.

--- audacity-Audacity-2.3.2/src/AudacityApp.cpp.1	2019-08-10 20:50:21.064091116 +0000
+++ audacity-Audacity-2.3.2/src/AudacityApp.cpp	2019-08-10 20:57:41.366368746 +0000
@@ -538,6 +538,7 @@
  public:
    GnomeShutdown()
    {
+#if 0
       mArgv[0].reset(strdup("Audacity"));
 
       mGnomeui = dlopen("libgnomeui-2.so.0", RTLD_NOW);
@@ -580,6 +581,7 @@
       }
 
       g_signal_connect(mClient, "save-yourself", G_CALLBACK(save_yourself_cb), NULL);
+#endif
    }
 
    virtual ~GnomeShutdown()