added configure function that checks whether a flag is needed to compile the given code snippet
added configure function that checks whether a flag is needed to compile the given code snippet


threatstack/libldns,gegenschall/ldns,NLnetLabs/ldns,NLnetLabs/ldns,benlaurie/ldns,gegenschall/ldns,benlaurie/ldns,threatstack/libldns,NLnetLabs/ldns,threatstack/libldns,gegenschall/ldns,threatstack/libldns,threatstack/libldns,gegenschall/ldns,NLnetLabs/ldns,benlaurie/ldns,benlaurie/ldns