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Renesas Electronics Europe - Knowledgebase

E0520147 Message for Embedded Function_CC-RL

Last Updated:02/07/2018


I am using RL78 compiler CC-RL.
I get the following error as describing the prototype declaration of the embedded function __DI. How do I resolve this?
E0520147: Declaration is incompatible with ‘void __DI(void)’ (declared at line number xx file ‘C:\xxx\builtin.h’).


Delete the prototype declaration which is not necessary for using the embedded function.

Suitable Products

e² studio
CS+ (formerly CubeSuite+)
C Compiler Package for RL78 Family
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