[...]

netcat.c:1912:15: warning: implicit declaration of function 'getopt' [-Wimplicit-function-declaration]
 1912 |   while ((x = getopt (argc, argv, "46ae:g:G:hi:lno:p:rs:tuvw:z")) != EOF) {
      |               ^~~~~~
netcat.c:1951:9: warning: implicit declaration of function 'helpme' [-Wimplicit-function-declaration]
 1951 |         helpme();                       /* exits by itself */
      |         ^~~~~~
netcat.c:2018:12: warning: implicit declaration of function 'time' [-Wimplicit-function-declaration]
 2018 |     SRAND (time (0));
      |            ^~~~
netcat.c:89:1: note: 'time' is defined in header '<time.h>'; did you forget to '#include <time.h>'?
   88 | #include <resolv.h>             /* res_init */
  +++ |+#include <time.h>
   89 | 
netcat.c: At top level:
netcat.c:2211:1: warning: return type defaults to 'int' [-Wimplicit-int]
 2211 | helpme()
      | ^~~~~~
In file included from /usr/include/string.h:548,
                 from netcat.c:84:
In function 'strncpy',
    inlined from 'gethostpoop' at netcat.c:469:5:
/usr/include/bits/string_fortified.h:95:10: warning: '__builtin_strncpy' writing 192 bytes into a region of size 24 overflows the destination [-Wstringop-overflow=]
   95 |   return __builtin___strncpy_chk (__dest, __src, __len,
      |          ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   96 |                                   __glibc_objsize (__dest));
      |                                   ~~~~~~~~~~~~~~~~~~~~~~~~~
netcat.c: In function 'gethostpoop':
netcat.c:115:8: note: destination object 'addrs' of size 24
  115 |   char addrs[8][24];            /* ascii-format IP addresses */
      |        ^~~~~
cc1: some warnings being treated as errors
make[1]: *** [Makefile:31: nc] Error 1
make[1]: Leaving directory '/tmp/B.enkd6x79/BUILD/nc'
make: *** [Makefile:114: generic] Error 2
error: Bad exit status from /tmp/B.enkd6x79/BUILD/tmp/rpm-tmp.xghgqq (%build)
RPM build warnings:
    Could not canonicalize hostname: tld-x64
RPM build errors:
    Bad exit status from /tmp/B.enkd6x79/BUILD/tmp/rpm-tmp.xghgqq (%build)
ended at: Wed Apr 24 15:15:07 2024, done in 0:00:00.459296
error: No files produced.
+ chmod -R u+rwX /tmp/B.enkd6x79/BUILD
+ rm -rf /tmp/B.enkd6x79/tmp /tmp/B.enkd6x79/BUILD
+ rm -rf /tmp/B.enkd6x79
Begin-TLD-Builder-Info
Build-Time: user:0.66s sys:0.20s real:0.98s (faults io:0 non-io:64446)
End-TLD-Builder-Info