/tmp/ccKjYBjM.o: In function `case4()':
maintest.cpp:(.text+0xf76): undefined reference to `add(List<int> const&, List<int> const&)'
maintest.cpp:(.text+0x1006): undefined reference to `add(List<int> const&, List<int> const&)'
/tmp/ccKjYBjM.o: In function `case6()':
maintest.cpp:(.text+0x19f2): undefined reference to `add(List<int> const&, List<int> const&)'
maintest.cpp:(.text+0x1a88): undefined reference to `add(List<int> const&, List<int> const&)'
/tmp/ccKjYBjM.o: In function `case10()':
maintest.cpp:(.text+0x3bca): undefined reference to `add(List<int> const&, List<int> const&)'
/tmp/ccKjYBjM.o:maintest.cpp:(.text+0x3c56): 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