Comment 0 for bug 791084

Binary package hint: zynaddsubfx

LASH Audio Session Handler was abandoned upstream in favor of the new session management system, called ladish: LADI Session Handler.
ladish will allow users to run many JACK applications at once and save/restore their configuration with few mouse clicks.

What we need now is dropping the LASH support for all those packages able to build without it.
On those packages which need to find lash's headers and development libraries to build, we just need to replace the build-dependencies on liblash-dev with liblash-compat-dev, which provides a dummy support for the old LASH layer; the programs compiled against the new liblash-compat won't be able to cooperate with the old lashd daemon anyway.