Hello, I tried to compile the source of a package which uses fortran90 with R 2.6.2 and R 2.6.1 without success. Compiling it with 2.5.1 is successful. The error message for versions >= 2.6.1 is: gfortran: error trying to exec 'f951': execvp r What is the reason for that? Best regards Meinhard Ploner www.data-ploner.com PS compilation was successful on: version _ platform i386-apple-darwin8.9.1 arch i386 os darwin8.9.1 system i386, darwin8.9.1 status major 2 minor 5.1 year 2007 month 06 day 27 svn rev 42083 language R version.string R version 2.5.1 (2007-06-27) [[alternative HTML version deleted]]