Developer Guide and Reference

  • 2021.2
  • 04/07/2021
  • Public Content
  • Download as PDF
Contents

Wall

Enables warning and error diagnostics.

Syntax

Linux:
-Wall
Windows:
/Wall
Arguments
None
Default
OFF
Only default warning diagnostics are enabled.
Description
This option enables many warning and error diagnostics.
On Windows* systems, this option is equivalent to the
/W4
option. It enables diagnostics for all level 3 warnings plus informational warnings and remarks.
However, on Linux* systems, this option is similar to gcc option
-Wall
. It displays all errors and some of the warnings that are typically reported by gcc option
-Wall
. If you want to display all warnings, specify the
-w2
or
-w3
option.
The
Wall
,
-w
n
, and
/W
n
options can override each other. The last option specified on the command line takes precedence.
IDE Equivalent
None
Alternate Options
None

Product and Performance Information

1

Performance varies by use, configuration and other factors. Learn more at www.Intel.com/PerformanceIndex.