Fails to build on EL8

Trying to build the latest release on Rocky Linux 8.5 results in the following build error:

lwtprint.c: In function 'main':
lwtprint.c:512:19: error: format not a string literal and no format arguments [-Werror=format-security]
           printf( delim );
                   ^~~~~
lwtprint.c:256:10: warning: 'dsave' may be used uninitialized in this function [-Wmaybe-uninitialized]
    *dptr = dsave;
    ~~~~~~^~~~~~~
cc1: some warnings being treated as errors

Full build logs are here