issue: At ./CMakeLists.txt: toggle USE_MYMATH, does not rebuild. Solution: builder.sh: remove files in build directory runner: to run build cmake

• let library define its own usage requirement, passed transitively to other targets

• evaluated during build generation. Provides info abt each build system

What is an interface library STATIC libraries are archives of object files for use when linking other targets. SHARED libraries are linked dynamically and loaded at runtime. MODULE libraries are plugins that are not linked into other targets but may be loaded dynamically at runtime using dlopen-like functionality.

Adding system introspection to check if platform has the functionality of log and exp