CDEFINES的用法

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Example:

 

SMDK6410.bat: set BSP_EPSON_S1R72V27=1

oallib/sources:   !IF "$(BSP_EPSON_S1R72V27)" == "1"
                          CDEFINES=$(CDEFINES) -DEPSON_USB
                          !ENDIF

init.c: #ifdef EPSON_USB
          InitializeSromBank();
          #endif