Can confirm (on aarch64 host)

    $ ./target/release/ccc-arm -I /usr/include/ -I /usr/local/include/ -I /usr/lib/gcc/aarch64-redhat-linux/15/include/ -o hello hello.c 

    $ ./hello
    Hello from CCC!

Seems this non-artificial intelligence model just too limited to understand concept of include path.

It’s machine specific