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Interpretation when omitted

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This option deletes the definition of the preprocessor macro or user-defined symbol of the assembler name by the -D option.

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This is equivalent to adding "#undef name" at the beginning of the source program.

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An error will occur if name is omitted.

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This option cannot delete the definition by describing "#define name def" and ".SET name def" (only assembly source program).

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This option can be used to undefine C language macros that have been defined already, but it cannot undefine the following macros: __LINE__, __FILE__, __DATE__, __TIME__, __CCRH__, or __CCRH.
An error will occur if these are specified for name.

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This option can be specified more than once.

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If both this option and -D option are specified for the same preprocessor macro and assembler symbol, the option specified last will be valid.

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To delete the definition of preprocessor macro "test" by the -D option, describe as: