Add LIB=libldns.la so that dependencies work in Makefile, LIB was empty.
LDNS_LOBJS = buffer.lo dname.lo dnssec.lo dnssec_sign.lo dnssec_verify.lo dnssec_zone.lo error.lo higher.lo host2str.lo host2wire.lo keys.lo net.lo packet.lo parse.lo rbtree.lo rdata.lo resolver.lo rr.lo rr_functions.lo sha1.lo sha2.lo str2host.lo tsig.lo update.lo util.lo wire2host.lo zone.lo
LDNS_LOBJS_EX = ^linktest\.c$$
LDNS_ALL_LOBJS = $(LDNS_LOBJS) $(LIBLOBJS)
+LIB = libldns.la
LDNS_HEADERS = buffer.h dname.h dnssec.h dnssec_sign.h dnssec_verify.h dnssec_zone.h error.h higher.h host2str.h host2wire.h keys.h ldns.h packet.h parse.h rbtree.h rdata.h resolver.h rr.h rr_functions.h sha1.h sha2.h str2host.h tsig.h update.h wire2host.h zone.h
LDNS_HEADERS_EX = ^config\.h|common\.h|util\.h|net\.h$$
AC_REPLACE_FUNCS(snprintf)
AC_REPLACE_FUNCS(strlcpy)
AC_REPLACE_FUNCS(memmove)
+AC_FUNC_FORK
AC_CHECK_FUNCS([endprotoent endservent sleep random fcntl strtoul bzero memset])
ACX_CHECK_GETADDRINFO_WITH_INCLUDES