$NetBSD$

Use portaudio from pkgsrc.

--- Makefile.GnuLinux.orig	2010-05-25 22:29:56.000000000 +0000
+++ Makefile.GnuLinux
@@ -15,12 +15,12 @@
 ##
 
 
-PLATFORM_COMPILE_FLAGS = -DLINUX
+PLATFORM_COMPILE_FLAGS = -DLINUX `pkg-config --cflags portaudio-2.0`
 
 
 # various GL and X windows  librariesneeded for linux
 # also need portaudio library (which in turn needs pthreads)
-PLATFORM_LINK_FLAGS = -L/usr/X11R6/lib -lGL -lglut -lGLU -lX11 ${PORT_AUDIO_PATH}/lib/libportaudio.a -lpthread -lpng
+PLATFORM_LINK_FLAGS = `pkg-config --libs libpng` `pkg-config --libs portaudio-2.0` -L/usr/X11R6/lib -lGL -lglut -lGLU -lX11 -lportaudio -lpthread -lpng
 
 
 # All platforms but OSX support g++ and need no linker hacks