ExtUtils::F77: Version 1.16 Loaded ExtUtils::F77 version 1.16 ExtUtils::F77: Using system=MSWin32 compiler= ExtUtils::F77: Unable to guess and/or validate system/compiler configuration ExtUtils::F77: Will try system=Generic Compiler=G77 'g77' is not recognized as an internal or external command, operable program or batch file. Checking for gcc in disguise: Not gcc 'gcc' is not recognized as an internal or external command, operable program or batch file. Please set the environment variable NCARG_ROOT to the installation path of your NCAR distribution, and rerun perl Makefile.PL. ExtUtils::F77: Validating -L -L/usr/lib -lg2c -lm -L -lgcc [ok] ExtUtils::F77: There does not appear to be any configuration info about ExtUtils::F77: the F77 compiler name. Will assume 'f77'. ExtUtils::F77: Compiler: f77 ExtUtils::F77: Cflags: -O