Normalize version.mk contents.
Remove disused patch file.
Patch file no longer needed.
Build process restructuring.
Delete patch file in favor of passing values on to make command.
Don't fail build for missing modulefiles, in case user configures environment
via other methods.
Additional build process restructuring.
Don't fail build for missing modulefiles, in case user configures environment
via other methods.
Add necessary load of gmp module.
Replace hard-coded path w/env var ref.