John, My liblouis is compiling fine under Linux but liblouisutdml isn't. Here is the error I am getting. What might be causing it? In file included from ../java/Jliblouisutdml.c:29:0: ../java/Jliblouisutdml.h:2:17: fatal error: jni.h: No such file or directory compilation terminated. make[2]: *** [liblouisutdml_la-Jliblouisutdml.lo] Error 1 make[1]: *** [all] Error 2 make: *** [all-recursive] Error 1 Best regards from Ohio, U.S.A., Vic E-mail: vic.beckley3@xxxxxxxxx For a description of the software, to download it and links to project pages go to http://www.abilitiessoft.com