Almost all modern languages have the ability to make libraries, a collection of classes, and methods that have a well-defined interface. C++ is no exception to this rule. We have two types of libraries: runtime (also called shared or dynamic) and static. But, writing libraries is not a simple task in C++. Different platforms have different methods for describing which symbols must be exported from the shared library.
Let's take a look at how to manage symbol visibility in a portable way using Boost.