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Altera_Forum's avatar
Altera_Forum
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11 years ago

Linking error. Problem on "undefined reference to...." in NIOS II IDE 11sp1

hello! I am new in quartus 11 and NIOS II IDE 11sp1 for development. The project concludes four source files. the main() function is in my_file_for_blank_project_0.cpp the other t...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
11 years ago

I think this happens because your are mixing C and C++ source files.

For example, If you want to call C++ code from a C source file you need the following definition in .cpp file:

extern "C" int test_cpp_call (int n);

int test_cpp_call (int n)

{

....

}