How can libxml++ library be added to cmake?

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To add libxml++ library to cmake, follow these steps:

1. Add the following line to your CMakeLists.txt file to find the package:

find_package(libxml++ REQUIRED)

1. Add the include directories for libxml++:

include_directories(${libxml++_INCLUDE_DIRS})

1. Add the link directories for libxml++:

link_directories(${libxml++_LIBRARY_DIRS})

1. Add the libraries to link against:

target_link_libraries(your-target-name ${libxml++_LIBRARIES})

Replace "your-target-name" with the name of your executable or library target.