CPP Build Systems & Package Management 3

Question 1

Which file does vcpkg use in manifest mode to declare a project's dependencies?

Accepted Answer

vcpkg.json

Answer

In vcpkg manifest mode, `vcpkg.json` in the project root lists all required packages and version constraints.

Question 2

What is a CMake `INTERFACE` library primarily used for?

Accepted Answer

Propagating usage requirements (includes, defines) to consumers without compiling any sources

Answer

An INTERFACE library has no compiled output but can carry properties like include paths and compile options that propagate to linking targets.

Question 3

In Ninja build system, what command displays a list of all available build targets?

Accepted Answer

ninja -t targets

Answer

`ninja -t targets` (using the targets tool) prints all targets defined in the build.ninja file.

Question 4

What does `cmake --build . --target install` do after a successful configure step?

Accepted Answer

Builds the project and then runs the install rules to copy files to CMAKE_INSTALL_PREFIX

Answer

The `install` target compiles the project (if needed) and then copies artifacts to the directory specified by `CMAKE_INSTALL_PREFIX`.

Question 5

Which Conan command generates a `conanfile.txt` dependency graph visualization?

Accepted Answer

conan graph info

Answer

`conan graph info` displays the dependency graph including all transitive dependencies and their resolved versions.

(CPP) C++ Programming Professional Certificate Practice Test