Минимальная структура проекта
.
├── CMakeLists.txt
├── conanfile.txt
└── src
└── hello.cpp
CMakeLists.txt
conanfile.txt
hello.cpp
Сборка
conan install . --output-folder=build --build=missing
cd build && cmake .. -DCMAKE_TOOLCHAIN_FILE=conan_toolchain.cmake -DCMAKE_BUILD_TYPE=Release
cmake --build .