Mine

CONFIGURE_OPTIONS = \
	--enable-default-toolkit=gtk2 \
	--with-default-mozilla-five-home=$(LIB_DIR) \
	--enable-pango \
	--with-user-appdir=.mozilla \
	--with-system-png=/usr \
	--with-system-jpeg=/usr \
	--disable-mailnews \
	--disable-composer \
	--disable-ldap \
	--enable-postscript \
	--disable-installer \
	--disable-xprint \
	--enable-crypto \
	--disable-strip \
	--disable-strip-libs \
	--enable-canvas \
	--enable-svg \
	--enable-svg-renderer=cairo \
	--enable-system-cairo \
	--enable-mathml \
	--disable-tests \
	--disable-gtktest \
	--disable-debug \
	--enable-xft \
	--enable-optimize="-pipe -w $(OPTFLAGS)" \
	--with-system-zlib=/usr \
	--without-system-nspr \
	--enable-xinerama \
	--enable-extensions=default \
	--disable-pedantic \
	--disable-long-long-warning \
	--enable-single-profile \
	--disable-profilesharing \
	--enable-gnomevfs \
	--enable-application=browser \
	--disable-installer \
	--disable-updater \
	--enable-chrome-format=flat \
	--wihtout-system-myspell \
	--disable-elf-dynstr-gc \
	--enable-libthai \
	--with-distribution-id=com.ubuntu \
	--enable-official-branding \
	$(DEBUG_FLAG)