Seeing that the backport to R 2.6.1 has come along nicely, I thought I would try to build 2.7.0 on my AMD64 Gutsy laptop. About a month ago I tried to build 2.6.0 and failed. I got the binaries running instead. Not sure why 2.7.0 worked for me this time. I used no special compiler flags at all. Obviously my system has downloaded some updates over the past month and 2.7.0 is not 2.6.0. I just thought I would share this for anyone else out there who may be curious about 2.7.0, especially with a 64-bit build of Ubuntu. If there is any specific information that I can share with developers that would be helpful, let me know. Just trying to give a little something back. Mark -- Mark W. Kimpel MD ** Neuroinformatics ** Dept. of Psychiatry Indiana University School of Medicine 15032 Hunter Court, Westfield, IN 46074 (317) 490-5129 Work, & Mobile & VoiceMail (317) 204-4202 Home (no voice mail please) mwkimpel<at>gmail<dot>com