-Jdirso this -J command is needed, and as you are using a windows 7 machine, i think you don't have the right to write on your c: drive.
This option specifies where to put .mod files for compiled modules. It is also added to the list of directories to searched by an USE statement.
The default is the current directory.
Code...Build log:
gfortran.exe -JD:\Work\nrtype.os_output_dir -IC:\FortranTools\lib -c D:\Work\nrtype.f90 -o D:\Work\nrtype.o
...
My CB has, in this dialog, as a command line macro,
"$compiler -J$objects_output_dir $options $includes -c $file -o $object"
...