minijail: Switch to new cross-friendly packaging style

src/platform/minijail/debian/rules

 #!/usr/bin/make -f
 # -*- makefile -*-
 # Copyright (c) 2009 The Chromium OS Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
+%:
+        dh --buildsystem=scons_chromeos $@
 
-# Uncomment this to turn on verbose mode.
-#export DH_VERBOSE=1
-
-# The number of jobs to pass to tools that can run in parallel (such as make
-# and dpkg-buildpackage
-NUM_JOBS=`cat /proc/cpuinfo | grep processor | awk '{a++} END {print a}'`
-
-build: build-stamp
-build-stamp:
-        dh_testdir
-        scons -j$(NUM_JOBS) minijail libminijail.so # minijail_benchmarks
-        touch $@
-
-clean:
-        dh_testdir
-        dh_testroot
-        rm -f build-stamp
-        scons -c
-        dh_clean
-
-install: build
-         dh_testdir
-         dh_testroot
-         dh_prep
-         dh_installdirs
-         mkdir -p $(CURDIR)/debian/chromeos-minijail/lib/security
-         # TODO(wad) add versioning to minijail to match the package version.
-         cp $(CURDIR)/libminijail.so $(CURDIR)/debian/chromeos-minijail/lib/libminijail.so
-         mkdir -p $(CURDIR)/debian/chromeos-minijail/sbin
-         cp $(CURDIR)/minijail $(CURDIR)/debian/chromeos-minijail/sbin/minijail
-         # TODO(wad) make a separate benchmarks package since we don't need
-         #           them on every install.
-         #mkdir -p $(CURDIR)/debian/chromeos-minijail/usr/share/chromeos-minijail
-         #cp $(CURDIR)/minijail_benchmarks $(CURDIR)/debian/chromeos-minijail/usr/share/chromeos-minijail/minijail_benchmarks
-
-# Build architecture-dependent files here.
-binary-arch: install
-             dh_testdir
-             dh_testroot
-             dh_link
-             dh_strip
-             dh_compress
-             dh_fixperms
-             dh_installdeb
-             dh_shlibdeps
-             dh_gencontrol
-             dh_md5sums
-             dh_builddeb
-
-binary: binary-arch
-
-.PHONY: build clean install binary-arch binary
+override_dh_auto_build:
+        dh_auto_build -- minijail libminijail.so # minijail_benchmarks