[Bug preprocessor/94667] GCC duplicates prerequisites when generating 'make' rules if headers are not in current directory

[iskustvo at yahoo dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=94667

--- Comment #2 from Ivan Balevic <iskustvo at yahoo dot com> ---
Yes, you are correct, this issue doesn't affect the execution of 'make'.
Nevertheless, I don't see a reason for GCC to duplicate prerequisites.
Furthermore, it should at least be consistent regardless of involved -I flag.