/tmp/cccUnD8S.o: In function `case4()':
maintest.cpp:(.text+0x8d2): undefined reference to `add(List<int> const&, List<int> const&)'
maintest.cpp:(.text+0x92e): undefined reference to `add(List<int> const&, List<int> const&)'
/tmp/cccUnD8S.o: In function `case6()':
maintest.cpp:(.text+0xbed): undefined reference to `add(List<int> const&, List<int> const&)'
maintest.cpp:(.text+0xc58): undefined reference to `add(List<int> const&, List<int> const&)'
/tmp/cccUnD8S.o: In function `case11()':
maintest.cpp:(.text+0x1754): undefined reference to `add(List<int> const&, List<int> const&)'
/tmp/cccUnD8S.o:maintest.cpp:(.text+0x180f): more undefined references to `add(List<int> const&, List<int> const&)' follow
collect2: error: ld returned 1 exit status
/in/compile/Makefile:10: recipe for target 'mylist' failed
make: *** [mylist] Error 1