Developer Guide and Reference

Contents

undef

Disables all predefined
macros
.

Syntax

Linux:
-undef
macOS:
-undef
Windows:
None
Arguments
None
Default
OFF
Defined
macros
are in effect until they are undefined.
Description
This option disables all predefined
macros
.
Alternate Options
None

Product and Performance Information

1

Intel's compilers may or may not optimize to the same degree for non-Intel microprocessors for optimizations that are not unique to Intel microprocessors. These optimizations include SSE2, SSE3, and SSSE3 instruc