Intel® Fortran Compiler 17.0 Developer Guide and Reference
Specifies source files are in fixed format.
Linux and macOS: | -fixed -nofixed |
Windows: | /fixed /nofixed |
None
OFF |
The source file format is determined from the file extension. |
This option specifies source files are in fixed format. If this option is not specified, format is determined as follows:
Files with an extension of .f90, .F90, or .i90 are free-format source files.
Files with an extension of .f, .for, .FOR, .ftn, .FTN, .fpp, .FPP, or .i are fixed-format files.
Note that on Linux* and OS X* systems, file names and file extensions are case sensitive.
Visual Studio: Language > Source File Format (/free, /fixed)
Eclipse: None
Xcode: Language > Source File Format (/free, /fixed)
Linux and OS X: -FI
Windows: /nofree, /FI, /4Nf