Mine

#!/usr/bin/make -f

# These are used for cross-compiling and for saving the configure script
# from having to guess our platform (since we know it already)
DEB_HOST_GNU_TYPE  ?= $(shell dpkg-architecture -qDEB_HOST_GNU_TYPE)
DEB_BUILD_GNU_TYPE  ?= $(shell dpkg-architecture -qDEB_BUILD_GNU_TYPE)
DEB_BUILD_ARCH  ?= $(shell dpkg-architecture -qDEB_BUILD_ARCH)

DEBIAN_VERSION := $(shell dpkg-parsechangelog | sed -n 's/^Version: *\(.*\)$$/\1/ p')
DEBIAN_REV_CODE := $(shell echo $(DEBIAN_VERSION) | sed 's/^.*-\([0-9]*\)[^-]*$$/0\1/ ; s/^.*\(..\)$$/\1/')
DEBIAN_DATE := $(shell echo $(DEBIAN_VERSION) | sed 's/^.*cvs\([0-9]*\).*$$/\1/')

DEBIAN_MOZ_UPSTREAM_VERSION := $(shell dpkg-parsechangelog | sed -n 's/^Version: \([0-9.]*\).*$$/\1/ p')

DEBIAN_MOZ_SOURCE_VERSION := $(shell echo $(DEBIAN_VERSION) | sed 's/^\(.*\)-[^-]*$$/\1/')
DEBIAN_MOZ_APPLICATION := $(shell dpkg-parsechangelog | sed -n 's/Source: \(.*\)$$/\1/ p')
DEBIAN_MOZ_UPSTREAM_APPLICATION ?= sunbird

DEB_TAR_SRCDIR		:= mozilla

ifneq (,$(findstring noopt,$(DEB_BUILD_OPTIONS)))
        OPTFLAGS = -O0
else
        OPTFLAGS = -O2 -fno-strict-aliasing
endif

OPTFLAGS += -g

#DEB_AUTO_UPDATE_DEBIAN_CONTROL=1
#DEB_AUTO_UPDATE_AUTOCONF=2.13

DEB_DH_INSTALL_ARGS_sunbird := -Xgnome -Ximgicon -Xmozlibthai
DEB_DH_INSTALL_ARGS_sunbird-dev :=

include /usr/share/cdbs/1/rules/tarball.mk
include $(CURDIR)/debian/cdbs-rules/debhelper.mk
include /usr/share/cdbs/1/rules/patchsys-quilt.mk
include /usr/share/cdbs/1/class/autotools.mk

export BUILD_OFFICIAL=1
export MOZILLA_OFFICIAL=1


DEB_CONFIGURE_USER_FLAGS= \
	--enable-application=calendar \
	--enable-plaintext-editor-only \
	--enable-necko-protocols=about,http,ftp,file,jar,res \
	--enable-storage \
	--enable-svg-renderer=cairo \
	--disable-accessibility \
	--disable-activex \
	--disable-activex-scripting \
	--disable-installer \
	--disable-jsd \
	--disable-necko-disk-cache \
	--disable-oji \
	--disable-view-source \
	--disable-logging \
	--disable-plugins \
	--disable-cookies \
	--disable-strip \
	--disable-xprint \
	--disable-strip-libs \
	--disable-updater \
        --enable-default-toolkit=gtk2 \
	--disable-freetype2 \
	--disable-elf-dynstr-gc \
	--disable-gtktest \
	--disable-installer \
	--disable-ldap \
	--disable-mailnews \
	--disable-profilesharing \
	--disable-tests \
	--disable-updater \
        --with-default-mozilla-five-home=/usr/lib/sunbird \
        --with-system-mng=/usr \
        --with-system-png=/usr \
        --with-system-jpeg=/usr \
        --with-system-zlib=/usr \
	--enable-extensions=default \
        --disable-debug \
	--enable-optimize="-pipe -w $(OPTFLAGS)" \
        --with-system-nspr \
        --with-system-nss \
	--enable-official-branding
`	--enable-pango \
	--enable-postscript \
	--enable-xft \
	--enable-xinerama \
	--enable-gnomevfs \
	--enable-libthai \
	--enable-canvas \
	--with-distribution-id=com.ubuntu \
	--enable-single-profile \
	--enable-mathml \ 
	--enable-svg \
	--enable-system-cairo \
        
USE_SYSTEM_CAIRO := $(shell pkg-config --exists 'cairo >= 1.4.0'; a=$$?; if test $$a != 1; then echo 1; fi)

UUDECODE = \
	debsearch.gif \
	wikipedia.gif \
	$(NULL)

pre-build::
	set -e; for i in $(UUDECODE); do \
		uudecode -o debian/$$i debian/$$i.uu; \
		done; gcc -o debian/build-tools/obscure-tool debian/build-tools/obscure.c; \
		debian/build-tools/obscure-tool debian/sunbird.cfg.source debian/sunbird.cfg

clean::
	set -e; for i in $(UUDECODE); do \
		rm -f debian/$$i; \
		done; rm -f debian/build-tools/obscure-tool;
		rm -f debian/sunbird.cfg

common-install-arch:: common-install-impl
	set -e; . /etc/lsb-release; export DISTRIB_ID DISTRIB_RELEASE DISTRIB_CODENAME; $(CURDIR)/build-tree/mozilla/config/preprocessor.pl -E < $(CURDIR)/debian/vendor.js.in > $(CURDIR)/debian/tmp/usr/lib/sunbird/defaults/pref/vendor.js
	set -e; /usr/bin/convert -resize 48x48 $(CURDIR)/debian/tmp/usr/lib/sunbird/icons/mozicon128.png $(CURDIR)/debian/tmp/usr/lib/sunbird/icons/mozicon50.png

$(CURDIR)/../$(DEBIAN_MOZ_APPLICATION)_$(DEBIAN_MOZ_SOURCE_VERSION).orig.tar.gz: $(DEBIAN_MOZ_UPSTREAM_APPLICATION)-$(DEBIAN_MOZ_UPSTREAM_VERSION)-source.tar.bz2
	set -e; rm -rf $(DEBIAN_MOZ_APPLICATION)-$(DEBIAN_MOZ_SOURCE_VERSION); \
		mkdir $(DEBIAN_MOZ_APPLICATION)-$(DEBIAN_MOZ_SOURCE_VERSION); \
		cp $^ $(DEBIAN_MOZ_APPLICATION)-$(DEBIAN_MOZ_SOURCE_VERSION)/; \
		tar cvzf $@ $(DEBIAN_MOZ_APPLICATION)-$(DEBIAN_MOZ_SOURCE_VERSION)/$^ ; \
		rm -rf $(DEBIAN_MOZ_APPLICATION)-$(DEBIAN_MOZ_SOURCE_VERSION)

update-orig: $(CURDIR)/../$(DEBIAN_MOZ_APPLICATION)_$(DEBIAN_MOZ_SOURCE_VERSION).orig.tar.gz

echox:
	set -e; echo DEBIAN_MOZ_APPLICATION = $(DEBIAN_MOZ_APPLICATION); \
		echo DEBIAN_MOZ_SOURCE_VERSION = $(DEBIAN_MOZ_SOURCE_VERSION)

CFLAGS =
CXXFLAGS =