Brian I am still having no luck. Firstly there is no ttyUSB0 in my dev folder, second with the new version I see a segmentation fault with the symlink in place for libcurl-gnutls.so.4 to libcurl.so.4 and I still see the message
./weatherdisplay: /usr/lib64/libcurl-gnutls.so.4: no version information available (required by ./weatherdisplay)
as I did with the previous version. So if anything the new version is more problematic on openSUSE Tumbleweed than before. I do have a laptop with openSUSE Leap 42.3 installed and will try the new version on that to see what happens. Tumbleweed is a ‘bleeding’ edge distro which is right up to date with the very latest of everything whereas Leap is a more stable system and not quite so bang up to date on everything.
Stuart