usbip: Put all autotools-generated files in the build directory

Currently the linux-source-<version> package may or may not include
these files, depending on the order things are built in.

As autotools always modifies the source directory, copy (rsync) the
source to the build directory and build in-place there.

debian/changelog

@@ -22,6 +22,8 @@ linux (4.7.2-1) UNRELEASED; urgency=medium
   * linux-kbuild: Include headers_install.sh and unifdef (Closes: #832359)
   * udeb: Include cdc_ncm in nic-usb-modules (Closes: #833918)
   * usbip: Use the locally-installed <linux/usbip.h>
+  * Exclude redundant and unreproducible files from binary packages
+    - usbip: Put all autotools-generated files in the build directory
 
   [ Martin Michlmayr ]
   * [armhf] Enable MMC_SDHCI_IPROC and HW_RANDOM_BCM2835 for BCM2835.

debian/rules.d/tools/usb/usbip/Makefile

@@ -10,8 +10,9 @@ all: export CPPFLAGS := $(shell dpkg-buildflags --get CFLAGS) \
 	-isystem $(top_srcdir)/debian/build/build-tools/include
 all: export LDFLAGS := $(shell dpkg-buildflags --get LDFLAGS)
 all:
-	cd $(srcdir) && ./autogen.sh
-	$(srcdir)/configure \
+	rsync -a $(srcdir)/ .
+	./autogen.sh
+	./configure \
 		--prefix=/usr \
 		--with-tcp-wrappers \
 		--with-usbids-dir=/usr/share/misc \
@@ -26,5 +27,4 @@ ifneq (,$(filter nodoc,$(DEB_BUILD_PROFILES)))
 endif
 
 clean:
-	rm -rf $(addprefix $(srcdir)/,autom4te.cache aclocal.m4 compile config.guess config.h.in config.sub configure depcomp install-sh ltmain.sh missing)
-	find $(srcdir)/ -name Makefile.in -delete
+	rm -rf *

debian/templates/control.source.in

@@ -46,6 +46,8 @@ Build-Depends:
  libglib2.0-dev <!stage1 !pkg.linux.notools>,
  libudev-dev <!stage1 !pkg.linux.notools>,
  libwrap0-dev <!stage1 !pkg.linux.notools>,
+# used by debian/rules.d/tools/usb/usbip to build usbip
+ rsync <!stage1 !pkg.linux.notools>,
 # used by upstream to build cpupower
  libpci-dev <!stage1 !pkg.linux.notools>,
 # used by debian/rules.real to build linux-perf and linux-support