ubuntu packages' spec files

[Man-wai Chang]

> cd sox-12.17.5/debian
> vi rules   # Make some edits here to the deb build script

what are these?

#!/usr/bin/make -f
# -*- mode: makefile; coding: utf-8 -*-

DEB_TAR_SRCDIR := sox-12.17.5

include /usr/share/cdbs/1/rules/tarball.mk
include /usr/share/cdbs/1/rules/debhelper.mk
include /usr/share/cdbs/1/class/autotools.mk
include /usr/share/cdbs/1/rules/simple-patchsys.mk

DEB_CONFIGURE_EXTRA_FLAGS := --disable-lame --disable-alsa


where is the ./configure line?

-- 
  .~.    http://changmw.homeip.net
 / v \   Linux 2.6.10-5-386
/( _ )\  20:49:01 up 31 min 1 user
  ^ ^    1.13 1.03