Syntax for the ifort Command

Use the syntax below to invoke the Intel® Fortran Compiler from the command line:

ifort [options] input_file(s)

An option is specified by one or more letters preceded by a hyphen (-) for Linux and Mac OS* and a slash (/) for Windows*.  (You can use a hyphen (-) instead of a slash for Windows, but this is not the preferred method.)

The following rules apply:

• Some options take arguments in the form of filenames, strings, letters, or numbers. Except where otherwise noted, you can enter a space between the option and its argument(s) or you can combine them. For a complete listing of compiler options, see the Compiler Options reference.
• You can specify more than one input_file, using a space as a delimiter. When a file is not in your path or working directory, specify the directory path before the file name. The filename extension specifies the type of file.

Note

Options on the command line apply to all files. For example, in the following command line, the -c and -nowarn options apply to both files x.f and y.f:
ifort -c x.f -nowarn y.f

• You cannot combine options with a single slash or hyphen, but must specify the slash or hyphen for each option specified. For example, this is correct: /1 /c
  But this is not: /1c
• Some compiler options are case-sensitive. For example, c and C are two different options.
• Options can take arguments in the form of filenames, strings, letters, and numbers. If a string includes spaces, it must be enclosed in quotation marks.
• All compiler options must precede the -Xlinker (Linux and Mac OS) or /link (Windows) options. Options that appear following -Xlinker or /link are passed directly to the linker.
• Unless you specify certain options, the command line will both compile and link the files you specify. To compile without linking, specify the -c (Linux and Mac OS) or /c (Windows) option.
• You can abbreviate some option names, entering as many characters as are needed to uniquely identify the option.
• Compiler options remain in effect for the whole compilation unless overridden by a compiler directive.
• On Windows, certain options accept one or more keyword arguments following the option name. To specify multiple keywords, you typically specify the option multiple times. However, some options allow you to use comma-separated keywords. For example:

ifort /warn:usage,declarations test.f90

You can use an equals sign (=) instead of the colon:

ifort /warn=usage,declarations test.f90