[CM] Snd with alsa and jack, flac conversion, motif/gtk

[Bill Schottstaedt]

> But it seems like the configure summary
> doesn't mention anything about jack, even if it will be used.

Idiotic m4 code on my part -- I think it's fixed now:

./configure --with-alsa --with-jack
...
  Snd version ...........: 15.7
  CFLAGS ................: -O2 -I. -g -O2
  LDFLAGS ...............: -Wl,-export-dynamic
  LIBS...................:  -lm -ldl
  prefix.................: /usr/local
  extension language.....: s7
  audio system...........: ALSA+JACK
  graphics toolkit.......: Gtk
  optional libraries.....: fftw3 gsl
  random features........:
  environs...............: x86_64-unknown-linux-gnu gcc