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gcc compile error [solved]

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I have a little problem like this.


I put: my_header.h in /usr/local/include/mylib and its libraries in /usr/local/lib/mylib


And then I write a small C script like this:


/* source.c */

#include <mylib/my_header.h>

int main()

return 0;


I compile it:

shell> gcc -o run source.c


and got error:

undefined reference to 'my_funtion'


what happened? Can some1 explain and gimme solution?

Tks so much.

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