I am installing a package but got the following error. How can I install this package ? R_HOME is /home/daren/MyHome/lib64/RAttempting to determine R_ARCH...R_ARCH isAttempting to detect how R was configured for Fortran 90.... Unsupported Fortran 90 compiler or Fortran 90 compilers unavailable! Stop! I have checked that g77 has been installed. GNU Fortran (GCC) 3.4.6 20060404 (Red Hat 3.4.6-3)Copyright (C) 2006 Free Software Foundation, Inc. GNU Fortran comes with NO WARRANTY, to the extent permitted by law.You may redistribute copies of GNU Fortranunder the terms of the GNU General Public License.For more information about these matters, see the file named COPYINGor type the command `info -f g77 Copying'. _________________________________________________________________ [[elided Hotmail spam]] [[alternative HTML version deleted]]