Intel® C++ Compiler XE 13.1 User and Reference Guides
This section includes descriptions of all the current Linux* OS, OS X*, and Windows* OS compiler options. The option names are arranged by functional category, and within each category, the options are listed in alphabetical order.
In addition, you can find the compiler options in alphabetical order within the index. In general, a single dash (-) precedes the names of the Linux* and OS X* options, and a slash (/) precedes the names of the Windows* options.
Note that some online help formats do not offer an index.
Each option description contains the following information:
A short description of the option.
IDE Equivalent
This shows information related to the integrated development environment (IDE) Property Pages on Windows*, Linux*, and OS X* systems. It shows on which Property Page the option appears, and under what category it's listed. The Windows IDE is Microsoft* Visual Studio* .NET; the Linux IDE is Eclipse*; the OS X IDE is Xcode*. If the option has no IDE equivalent, it will specify "None".
Architectures
This shows the architectures where the option is valid. Most options are valid on all supported architectures, so "All" will appear most often.
However, some options are restricted to certain architectures. These options will show the names of the architectures where the option is valid. Current possibilities are as follows:
IA-32 architecture
Intel® 64 architecture
Intel® 64 architecture, targeting Intel® Many Integrated Core Architecture (Intel® MIC Architecture)
Note that within the relevant compiler option descriptions, this architecture will be referred to as: Intel® 64 architecture, targeting Intel® MIC Architecture
Certain operating systems are not available on all the above architectures. For the latest information, please check your Release Notes.
Syntax
This shows the syntax on Linux and OS X systems and the syntax on Windows systems. If the option has no syntax on one of these systems, that is, the option is not valid on a particular system, it will specify "None".
Arguments
This shows any arguments (parameters) that are related to the option. If the option has no arguments, it will specify "None".
Default
This shows the default setting for the option.
Description
This shows the full description of the option. It may also include further information on any applicable arguments.
Alternate Options
These are options that are synonyms of the described option. If there are no alternate options, it will specify "None".
Many options have an older spelling where underscores ("_") instead of hyphens ("-") connect the main option names. The older spelling is a valid alternate option name.
Some option descriptions may also have the following:
Example
This shows a short example that includes the option
See Also
This shows where you can get further information on the option or related options.
You cannot combine options with a single dash (Linux OS and OS X) or slash (Windows OS). For example:
On Linux and OS X systems: This is incorrect: -wc; this is correct: -w -c
On Windows systems: This is incorrect: /wc; this is correct: /w /c
All compiler options are case sensitive. Some options have different meanings depending on their case; for example, option "c" prevents linking, but option "C" places comments in preprocessed source output.
Options specified on the command line apply to all files named on the command line.
Options can take arguments in the form of file names, strings, letters, or numbers. If a string includes spaces, the string must be enclosed in quotation marks. For example:
On Linux and OS X systems, -dynamic-linker mylink (file name) or -Umacro3 (string)
On Windows systems, /Famyfile.s (file name) or /V"version 5.0" (string)
Compiler options can appear in any order.
On Windows systems, all compiler options must precede /link options, if any, on the command line.
Unless you specify certain options, the command line will both compile and link the files you specify.
You can abbreviate some option names, entering as many characters as are needed to uniquely identify the option.
Certain options accept one or more keyword arguments following the option name. For example, the arch option accepts several keywords.
To specify multiple keywords, you typically specify the option multiple times. However, there are exceptions; for example, the following are valid: -axNB (Linux OS) or /QaxNB (Windows OS).
Compiler options remain in effect for the whole compilation unless overridden by a compiler #pragma.
To disable an option, specify the negative form of the option.
On Windows systems, you can also disable one or more optimization options by specifying option /Od last on the command line.
On Windows systems, the /Od option is part of a mutually-exclusive group of options that includes /Od, /O1, /O2, /O3, and /Ox. The last of any of these options specified on the command line will override the previous options from this group.
If there are enabling and disabling versions of an option on the command line, the last one on the command line takes precedence.