Assume that I ultimately want to output the string “Hello world”. In this scenario, the dynamic library libhello.so is used to output “hello”, and the dynamic library libworld.so is used to output “world”. The main function calls the interface hello() provided by libhello.so, which outputs the string “hello” and then calls the interface world() provided by libworld.so. The world() function outputs the string “world”. The dependency relationship is as follows: main —-> libhello.so —–> libworld.so, meaning that the main function does not directly depend on libworld.so.

I have this simplified file structure:

I have an executable (test) using a static library (A), which uses another static library (B). The file structure is as follow:

I am making a library which will define a number of functions. There will be a default version of each function, and then the user may provide a file containing alternative definitions of each function, optimized for a certain hardware target.