compiling problem under AIX 4.3.1/2

[kerberos mailing <kerberos@lom.camcom.it>]

Hello 
i try the heimdal 0.1f but i receive this error from ld
gcc -Wall -Wmissing-prototypes -Wpointer-arith -Wbad-function-cast -Wmissing-declarations -Wnested-externs -g -O2 -o convert_db convert_db.o .libs/libhdb.a ../krb5/.libs/libkrb5.a ../asn1/.libs/libasn1.a ../des/.libs/libdes.a ../../lib/roken/.libs/libroken.a
collect2: ld returned 8 exit status
ld: 0711-317 ERROR: Undefined symbol: in6addr_any
ld: 0711-345 Use the -bloadmap or -bnoquiet option to obtain more information.
make[2]: *** [convert_db] Error 1                                             
wich is the system include ... ? 

bye manfred