JavaKit on Mac OS X

Requirements

• Java 1.4.2 (default of 10.4.2)
  
• Java Communications Version 2.0.3 for Solaris/SPARC
  
• rxtx-2.0-7pre1
  
• TINI SDK 1.16

Install javacomm

• Download javacomm 2.0.3 and copy comm.jar to /System/Library/Frameworks/JavaVM.framework/Versions/1.4.2/Home/lib/ext/
  
• Create /System/Library/Frameworks/JavaVM.framework/Versions/1.4.2/Home/lib/javax.comm.properties
  

  Driver=gnu.io.RXTXCommDriver

• Symblic link javax.comm.properties to /System/Library/Frameworks/JavaVM.framework/Versions/1.4.2/Home/lib/ext/javax.comm.properties
  

Install rxtx

• Download rxtx-2.0.7pre1.
• Go to rxtx-2.0-7pre1/MACOSX_IDE/PB and expand LibSerial.pbproj.sit.hqx
• In my case, I had to add USB Serial names to rxtx-2.0-7pre1/src/RXTXCommDriver.java

  val = "/dev/tty.usbserial0:/dev/tty.usbserial:/dev/tty.usbserial-3B1";

  and

  "tty.usbserial0", "tty.usbserial", "tty.usbserial-3B1"

• Open LibSerial.pbproj by Xcode and build two targets
• Copy jcl.jar and librxtxSerial.jnilib to /System/Library/Frameworks/JavaVM.framework/Versions/1.4.2/Home/lib/ext/ from rxtx-2.0-7pre1/MACOSX_IDE/PB/build/
• Make /var/spool/uucp directory (mkdir /var/spool/uucp; chmod 777 /var/spool/uucp)

Install TINI SDK

• Download TINI SDK 1.16
• Expand it and do "java -native -cp bin/tini.jar JavaKit"