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I'm struggling to write Makefiles that properly build my unit tests. As an example, suppose the file structure looks like this
src/foo.cpp
src/foo.hpp
src/main.cpp
tests/test_foo.cpp
tests/test_all.cpp
So, to build the executable test_all, I'd need to build test_foo.o which in turn depends on test_foo.cpp but also on src/foo.o.
What is the best practice in this case? One Makefile in the parent folder? One Makefile per folder? If so, how do I manage the dependencies across folders?
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Unit testing is a method of testing software where individual software components are isolated and tested for correctness. Ideally, these unit tests are able to cover most if not all of the code paths, argument bounds, and failure cases of the software under test.
The make utility requires a file, Makefile (or makefile ), which defines set of tasks to be executed. You may have used make to compile a program from source code. Most open source projects use make to compile a final executable binary, which can then be installed using make install .
This command tests various parts of samba code base to ensure the correctness of the functionality. It uses the test framework built in samba code base to perform hundreds of tests. It does take a fair bit of time to execute all the tests.
make check is a command to a makefile. It does whatever the makefile defines it to do.
Common practice is a Makefile per directory. That's what I would have suggested before I read "Recursive Make Considered Harmfull" (http://miller.emu.id.au/pmiller/books/rmch/). Now I'd recommend one Makefile. Also check out the automatic dependency generation - now you don't even need to work out what your tests depends on. All you need is some targets.
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