Hello Again, I just did a make clean and make once more. I can see that there is (among all the other -I flags) an -I ../src/include/R_ext flag when I compile the main part of R, but it seems to have disappeared when I compile in the libraries.... Jonathan Jonathan Yuen, Professor in Plant Pathology phone: 46 18 672369 Dept. of Ecology and Crop Production Sciences fax: 46 18 672890 Swedish University of Agricultural Sciences http://www.tvs.slu.se Box 7043 email replies to S 750 07 Uppsala, SWEDEN Jonathan.Yuen at evp.slu.se -.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.- r-help mailing list -- Read http://www.ci.tuwien.ac.at/~hornik/R/R-FAQ.html Send "info", "help", or "[un]subscribe" (in the "body", not the subject !) To: r-help-request at stat.math.ethz.ch _._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._