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Undefined symbol __dso_handle

Andrew Messier

All,

I have a project that was compiling and running correctly using an older version of uVision 4. I just upgraded from 4.70a to version 4.71a, and am getting the following error after I compile my project:

.\Obj\PumaINS.axf: Error: L6218E: Undefined symbol __dso_handle (referred from main.o).

There is no mention of 'dso_handle' anywhere in my project, so I don't know how to begin troubleshooting this issue. Does anyone know what might've changed in the most recent uVision update that caused this, and how we can correct it?

Thanks,
Andy

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  • 0

    This looks like a side effect off Cross-Module-Optimization (CMO). An interim solution is
    to turn CMO off via Options for Target. If CMO is absolutely required, then a
    definition 'int __dso_handle' in main.c/cpp will do the trick.

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  • 0

    This looks like a side effect off Cross-Module-Optimization (CMO). An interim solution is
    to turn CMO off via Options for Target. If CMO is absolutely required, then a
    definition 'int __dso_handle' in main.c/cpp will do the trick.

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