Linking files in specified order in memory

Hi,

I am trying to build a project where the output files link in a specified order in memory and then I create a hash of just the files from start to finish. I have tried placing each .c file that gets compiled into an individual .o file into it's own folder and then creating project dependencies on each folder. This does not seem to be working. Has anyone tried and had success at linking output files in order in memory? Any help in doing so would be greatly appreciated!