diff --git a/lib/native/mac/libjportaudio.jnilib b/lib/native/mac/libjportaudio.jnilib
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diff --git a/lib/native/mac/libportaudio.2.dylib b/lib/native/mac/libportaudio.2.dylib
deleted file mode 100755
index e6aefff2a..000000000
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diff --git a/src/native/portaudio/README b/src/native/portaudio/README
new file mode 100644
index 000000000..88040bb54
--- /dev/null
+++ b/src/native/portaudio/README
@@ -0,0 +1,13 @@
+1. portaudio
+    - Linux
+    $./configure & make
+    - Mac OS X
+    $./configure  --enable-static --disable-shared & make
+2. jportaudio
+    - Linux
+    $ make
+    - Mac OS X
+    CC=gcc -arch i386 -arch ppc -arch x86_64 -mmacosx-version-min=10.3
+    LDFLAGS=-shared
+    LIBS=-L$(PORTAUDIO_HOME)/lib/.libs -framework AudioToolbox -framework AudioUnit -framework CoreAudio -framework Carbon -lpthread -pthread -dynamic -lportaudio
+    $ make