qt中，create
//common.h
void test();
//common.cpp
#include "common.h"
void test(){
//code
}
qmake compile the project
output error:
undefined reference to test() function
add common.h and common.cpp to .pro file
qt中，create
//common.h
void test();
//common.cpp
#include "common.h"
void test(){
//code
}
qmake compile the project
output error:
undefined reference to test() function
add common.h and common.cpp to .pro file
本文标题：qt, undefined reference to a fun
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