When executing make, I receive an error that ssp.h doesn't exist, yet it does.

    fatal error: ssp.h: No such file or directory
    38 | #include <ssp.h>

yet it exists

    locate ssp.h

    ls -lha
    -r--r--r--  1 root wheel  4.0K Aug 22 04:24

any thoughts?

Many Thanks,
-mookie