I've built R9 on two Redhat 8.0 systems, using the otp_src_R9B-0.tar.gz.tar file from erlang.org. The easiest way I found to do a clean build is to change the default LANG from en_US.UTF-8 to en_US. This will fix the perl length problem, so you should have a good preload.c file. --erikp--