When attempting to load a file that has already been loaded, pretend the file doesn't exist.  This prevents the compiler from adding make compilation of a source file dependent on itself.
When attempting to load a file that has already been loaded,
pretend the file doesn't exist.  This prevents the compiler
from adding make compilation of a source file dependent on itself.

liujed/polyglot-eclipse,xcv58/polyglot,xcv58/polyglot,blue-systems-group/project.maybe.polyglot,xcv58/polyglot,blue-systems-group/project.maybe.polyglot,liujed/polyglot-eclipse,blue-systems-group/project.maybe.polyglot,blue-systems-group/project.maybe.polyglot,liujed/polyglot-eclipse,liujed/polyglot-eclipse,xcv58/polyglot