Index: configure.ac
--- configure.ac.orig
+++ configure.ac
@@ -12,8 +12,8 @@ AC_CONFIG_HEADERS([config.h])
 
 AC_CANONICAL_HOST
 # Add some default CFLAGS and CXXFLAGS, can be appended to using the environment variables
-CFLAGS="-g -O2 -Wall -Wextra -Wshadow -Wmissing-declarations -Wredundant-decls $CFLAGS"
-CXXFLAGS="-g -O2 -Wall -Wextra -Wshadow -Wmissing-declarations -Wredundant-decls $CXXFLAGS"
+CFLAGS="-g -Wall -Wextra -Wshadow -Wmissing-declarations -Wredundant-decls $CFLAGS"
+CXXFLAGS="-g -Wall -Wextra -Wshadow -Wmissing-declarations -Wredundant-decls -Wno-deprecated-copy $CXXFLAGS"
 
 AC_SUBST([pdns_configure_args], ["$ac_configure_args"])
 AC_DEFINE_UNQUOTED([PDNS_CONFIG_ARGS],