Can't exec "pkg-config": No such file or directory at Makefile.PL line 10.
Testing for pkg-config...You don't have pkg-config installed. I can't test if you have
portaudio installed.

If you do have portaudio v19 or higher installed you can continue anyway
Do you want to continue? (y/n) [n] n
Use of uninitialized value in string ne at /home/cpanrun/pa-risc1.1/build/5.6.1/lib/5.6.1/ExtUtils/MakeMaker.pm line 141.
Exiting
make: *** No targets specified and no makefile found.  Stop.