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undefined reference to EXTERNC c++ function in C [message #1072890]

Tue, 23 July 2013 14:21

Eclipse User

I have a EXTERNC c++ function prototype in a lcca.h file

EXTERNC int lccaReceive(lcca_ptr myLccaPtr, tHdb10Word* data,
UINT16 maxWords, UINT16 actualWords,
INT32 maxWaitMs, int bypassStats);

the definition of the function is in a lcca.cpp file

int lccaReceive(lcca_ptr myLccaPtr, tHdb10Word* data,
UINT16 maxWords, UINT16& actualWords,
INT32 maxWaitMs, int bypassStats){
Lcca* typedLccaPtr = static_cast<Lcca*>(myLccaPtr);
return typedLccaPtr->Receive(data, maxWords, actualWords,
maxWaitMs, !!bypassStats);

call the function in a lccaCall.c file , and lcca.h is included.
it errors out:

undefined reference to lccaReceive.

How to resolve it? Thanks for your help.

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