I updates the files on the second RH machine this morning, but the
build failed as it could not find -ljack which is reasonable as it
does not exist.  This used to build; has jack suddenly become
essential?  It did not build for me when I tried before as they
portaudio driver expects v18 (as far as I can tell).  Lots of errors
like 
In file included from portaudio_driver.c:41:
portaudio_driver.h:57: parse error before `PortAudioStream'
portaudio_driver.h:57: warning: no semicolon at end of struct or union
portaudio_driver.h:59: warning: type defaults to `int' in declaration of `portaudio_driver_t'
portaudio_driver.h:59: warning: data definition has no type or storage class
portaudio_driver.c:47: parse error before `PaTimestamp'
portaudio_driver.c: In function `paCallback':
portaudio_driver.c:49: `driver' undeclared (first use in this function)
portaudio_driver.c:49: (Each undeclared identifier is reported only once
portaudio_driver.c:49: for each function it appears in.)
portaudio_driver.c:49: parse error before `)'
portaudio_driver.c:51: `inputBuffer' undeclared (first use in this function)
portaudio_driver.c:52: `outputBuffer' undeclared (first use in this function)
portaudio_driver.c:54: `framesPerBuffer' undeclared (first use in this function)
portaudio_driver.c:55: warning: control reaches end of non-void function
portaudio_driver.c: At top level:
portaudio_driver.c:58: parse error before `*'
portaudio_driver.c: In function `portaudio_driver_attach':
portaudio_driver.c:65: `driver' undeclared (first use in this function)
portaudio_driver.c:65: `engine' undeclared (first use in this function)
portaudio_driver.c: At top level:
etc etc


If I build with useJack=0 strangely it still complains that it cannot
find -ljack

==John ffitch