Trying to include a library, but keep getting 'undefined reference to' messages

Question

I am attempting to use the libtommath library. I\'m using the NetBeans IDE for my project on Ubuntu linux. I have downloaded and built the library, I have done a \'make inst

Answer 1

If the .c source files are converted .cpp (like as in parsec), then the extern needs to be followed by "C" as in

extern "C" void foo();