-flag

Specifies compiler #pragma as either on or off.

Syntax
  -fl[ag] [no-]pragma
  
  
Remarks

For example, this option setting

  -flag require_prototypes
  
  

is equivalent to

  #pragma require_prototypes on
  
  

This option setting

  -flag no-require_prototypes
  
  

is the same as

  #pragma require_prototypes off