CC dns.o
dns.c: In function ‘dns_getmxbyname’:
dns.c:104: warning: pointer targets in assignment differ in signedness
dns.c:106: warning: pointer targets in passing argument 4 of ‘__dn_expand’ differ in signedness
/usr/include/resolv.h:355: note: expected ‘char *’ but argument is of type ‘u_char *’
dns.c:123: warning: pointer targets in passing argument 4 of ‘__dn_expand’ differ in signedness
/usr/include/resolv.h:355: note: expected ‘char *’ but argument is of type ‘u_char *’
dns.c:127: warning: pointer targets in assignment differ in signedness
dns.c:129: warning: pointer targets in passing argument 1 of ‘strlen’ differ in signedness
/usr/include/string.h:399: note: expected ‘const char *’ but argument is of type ‘u_char *’
dns.o: In function `dns_getmxbyname':
dns.c:(.text+0x3f): undefined reference to `__res_search'
dns.c:(.text+0xb2): undefined reference to `__dn_skipname'
dns.c:(.text+0x135): undefined reference to `__dn_expand'
dns.c:(.text+0x1a1): undefined reference to `__dn_expand'
collect2: ld returned 1 exit status
make[1]: *** [_nullgroupware] Error 1
make: *** [_server] Error 2