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CCS/TMS320C6747: Compile error : #20 identifier "__int64"is undefined (Noise Cancellation Code)

Part Number: TMS320C6747

Tool/software: Code Composer Studio

Hi,

I am high school student.

I'm working on a project using the DSP, but I can't find the cause due to an error while compiling the code.

I am using CCS - Version 8.1.0

I really look forward to your replies plz.

  • Hello,
    This is a common generic C build error. Somewhere in your source file, "__int64" is used but it is not defined anywhere. Perhaps you are missing a header file that defines it. The error is coming from a source file, not the .ccsproject file. Please provide all the output in your build console.

    Thanks
    ki
  • Thanks for your comments Mr.Lee.

    Here is my build console.

    I anticipate your answer.

  • Hello,

    you have a 3rd party extention to TI's c6000_8.2.3 compiler.

    sndfile.h uses __int64 in line 321.

    There is a chance that __int64 is defined in a header file located somewhere within "ThirdParty" subfolder.
    Just scan all header to find it.

    If not found, go to your 3rd party extention provider.