3. Runtime: Influencing runtime behavior with environment variables
3 Runtime: Influencing runtime behavior with environment variables
The behavior of the gfortran can be influenced by environment variables.
Malformed environment variables are silently ignored.
| • TMPDIR: | Directory for scratch files | |
| • GFORTRAN_STDIN_UNIT: | Unit number for standard input | |
| • GFORTRAN_STDOUT_UNIT: | Unit number for standard
 |