C51: WARNING 317 (MACRO 'NAME': INVALID REDEFINITION)

Information in this article applies to:

• C51 Version 5.50

QUESTION

When I compile my C source file I get the following diagnostic:

WARNING 317:  MACRO 'NAME': INVALID REDEFINITION

ANSWER

A predefined macro cannot be redefined or removed. The compiler recognizes the following predefined macros:

• __C51__
• __DATE__
• __FILE__
• __LINE__
• __MODEL__
• __STDC__
• __TIME__

MORE INFORMATION

• Refer to Predefined Macros in the Cx51 User's Guide.
• Refer to Warning C317 in the Cx51 User's Guide.

Last Reviewed: Monday, June 26, 2006