Provide a mechanism for passing in C flags at make's run-time:   user can define EXT_CFLAGS on either the command line or in the environment.
Provide a mechanism for passing in C flags at make's run-time:
  user can define EXT_CFLAGS on either the command line or in the environment.

each/bind9-collab,pecharmin/bind9,pecharmin/bind9,pecharmin/bind9,pecharmin/bind9,pecharmin/bind9,each/bind9-collab,each/bind9-collab,each/bind9-collab,pecharmin/bind9,each/bind9-collab,each/bind9-collab