> but not all library files are architecture-dependent. While this is definitely true, the presence in /usr/share/ of many files from library packages on my sy

> but not all library files are architecture-dependent. While this is definitely true, the presence in /usr/share/ of many files from library packages on my system (Debian) still suggests that architecture-independent files should not go into /usr/lib/. > See Python files at /usr/lib/python<version> Aren't the compiled (.pyc) files in there architecture-dependent (or could be; genuine question, I have no idea)? > /usr/include on the other hand only is used for C and C++ header files. Modules are not header files. Yes, but it doesn't follow they cannot be installed there if that location is the most suitable from the distribution packaging point of view.