acassis commented on PR #3206:
URL: https://github.com/apache/nuttx-apps/pull/3206#issuecomment-3686516219

   > > @nuttxs hi, dhcpc doesn't compile now when 
`CONFIG_NETDB_DNSSERVER_NAMESERVERS` is not defined. If this was intended then 
you need to add `depends on LIBC_NETDB_DNSCLIENT` for dhcpc, if it was not 
intended then please fix the build.
   > 
   > @raiden00pl Thank you for identifying the issue. When the DNS client is 
disabled (CONFIG_NETDB_DNSCLIENT is not defined), the DHCP client should not 
request, parse, or print any DNS-server options. I will wrap all DNS-related 
fields and logic with
   > 
   > ```
   > #if defined(CONFIG_NETDB_DNSCLIENT) && defined(CONFIG_LIBC_NETDB)
   > ...
   > #endif
   > ```
   > 
   > to resolve the current build issue.
   
   @nuttxs also, please add an #else warning "CONFIG_NETDB_DNSCLIENT and 
CONFIG_LIBC_NETDB not define, DNS support is missing"


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