Thanks for your reply. I just tested it, and it is giving a different error. Even why I try crystal build src/app.cr --static -D without_openssl without_libgc
dyld: Library not loaded: /usr/local/opt/bdw-gc/lib/libgc.1.dylib
Referenced from: /Volumes/DRIVE/binary
Reason: image not found
Trace/BPT trap: 5