When I run: ---- identification division. program-id. hello. procedure division. display "Hello World". end program hello. ---- with `cobc -free -j hello.cob` I get: — air:~$ cobc -free -j hello.cob ld: warning: -undefined suppress is deprecated ld: warning: -undefined suppress is deprecated Hello World air:~$ man cobc air:~$ cobc --version cobc (GnuCOBOL) 3.1.2.0 Copyright (C) 2020 Free Software Foundation, Inc. License GPLv3+: GNU GPL version 3 or later <https://gnu.org/licenses/gpl.html> This is free software; see the source for copying conditions. There is NO warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. Written by Keisuke Nishida, Roger While, Ron Norman, Simon Sobisch, Edward Hart Built May 31 2022 11:49:28 Packaged Dec 23 2020 12:04:58 UTC C version "Apple LLVM 13.1.6 (clang-1316.0.21.2.5)" air:~$ — Are those two ld warnings “working as designed” or are they an indicator of something that should be fixed?