Looking through the archives I found this thread http://tolstoy.newcastle.edu.au/R/e4/devel/08/02/0347.html
and so I tried MAKEFLAGS="CFLAGS=-g -O" R CMD SHLIB ... and this worked great. ______________________________________________ R-devel@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-devel