UnitTest++ and g++ - Relative path to the library

Question

I'm trying to get UnitTest++ to work in a project following this directory tree:

Project/
|-- src/
|-- test/
|   |-- test.cpp
|-- unittest-cpp/
|   |-- UnitTest++/
|       |-- libUnitTest++.a
|       |-- src/
|            |-- UnitTest++.h
|-- Makefile

I'm trying to compile with g++ while in the Project directory. My test.cpp file contains the UnitTest++ Getting Started code.

I tried the following:

g++ -Lunittest-cpp/UnitTest++/ -lUnitTest++ -Iunittest-cpp/UnitTest++/src/ \
test/test.cpp -o Test

If I understand well, -L is to give the path to the static library. -l (Small L) is for the library name and -I (Capital i) is for the include path.

I get two different results. It either tells me it cannot find the lib in /usr/bin/??? or it tells me that there are undefined references to unittest::*.

Is it because I'm giving a relative path to the library that it cannot compile? I'm new to using g++ through multiple directories and I'm trying to understand how it works before getting it to work in my Makefile.

[EDIT]: The test/test.cpp parameter had to be given before linking the libraries and headers. So, this worked:

g++ test/test.cpp -Lunittest-cpp/UnitTest++ -lUnitTest++ -Iunittest-cpp/UnitTest++/src -o Test

Answer 1

The file to compile (in this context test.cpp) has to be given before its dependancies when compiling. This worked:

g++ test/test.cpp -Lunittest-cpp/UnitTest++ -lUnitTest++ -Iunittest-cpp/UnitTest++/src -o Test