If you get errors like this when compiling PowerDNS 2.9.22 on a recent server: if g++ -DHAVE_CONFIG_H -I. -I. -I../../.. -I../.. -pthread -D_GNU_SOURCE -Wall -O2 -MT rcpgenerator.o -MD -MP -MF “.deps/rcpgenerator.Tpo” -c -o rcpgenerator.o `test -f ‘../../rcpgenerator.cc’ || echo ‘./’`../../rcpgenerator.cc; \ then mv -f “.deps/rcpgenerator.Tpo” “.deps/rcpgenerator.Po”; else rm -f “.deps/rcpgenerator.Tpo”; exit 1; fi ../../rcpgenerator.cc: In [...]