On Tuesday 14 February 2006 21:30, Michael Gogins wrote:

> This is not possible at this time. It's something I will take another
> look at -- can't say when. This used to work, but people fixed other
> problems with FLTK threading and broke this in the process; presumably
> they did not test their fixes in a VST host.   

For FLTK to work reliably in a GUI host on all platforms, the FLTK opcodes
should be compiled with the noFLTKThreads=1 SCons option, and both the GUI
used by the host and Csound compilation and performance should be run in the
main thread. In other words, not using any threads at all.