[R] Can't find -lg2c when installing randomForest

I have search the help archives and can't find a direct reference to the following issue: When installing randomForest on under CentOS 5.2 , R version 2.7.1 with gcc 4.1.2. We receive the following error (see below, can't find –lg2c) it is in the path! r...@abcsci12 ~]# R CMD INSTALL /scis

[R] gboxplot (JMP Diamond plot in R?)

I am looking to replicate the functionality of the JMP diamond plot in R. I have found the following enhancement and no other references(see below). I have tried to contact the author via email and I have had no luck. Does any know if this functionality exists in R? If it does not does anyone