Add support multiarch

Signed-off-by: Nobuhiro Iwamatsu <iwamatsu@nigauri.org>

debian/control

@@ -10,6 +10,8 @@ Vcs-Browser: http://code.google.com/p/libnfc/source/browse/
 
 Package: libnfc4
 Architecture: any
+Multi-Arch: same
+Pre-Depends: ${misc:Pre-Depends}
 Depends: ${shlibs:Depends}, ${misc:Depends}, libusb-0.1-4
 Description: Near Field Communication (NFC) library
  libnfc is a Free Software library for Near Field Communication.
@@ -19,6 +21,8 @@ Description: Near Field Communication (NFC) library
 Package: libnfc-dev
 Section: libdevel
 Architecture: any
+Multi-Arch: same
+Pre-Depends: ${misc:Pre-Depends}
 Depends: ${misc:Depends}, libnfc4 (= ${binary:Version}), libusb-dev
 Description: Near Field Communication library (development files)
  libnfc is a free software library for near-field communication.

debian/libnfc-dev.install

@@ -1,5 +1,5 @@
 debian/tmp/usr/include/nfc
-debian/tmp/usr/lib/libnfc.a
-debian/tmp/usr/lib/libnfc.la
-debian/tmp/usr/lib/libnfc.so
-debian/tmp/usr/lib/pkgconfig/libnfc.pc
+debian/tmp/usr/lib/*/libnfc.a
+debian/tmp/usr/lib/*/libnfc.la
+debian/tmp/usr/lib/*/libnfc.so
+debian/tmp/usr/lib/*/pkgconfig/libnfc.pc

debian/libnfc4.install

@@ -1,2 +1,2 @@
-debian/tmp/usr/lib/libnfc.so.*
+debian/tmp/usr/lib/*/libnfc.so.*
 contrib/udev/42-pn53x.rules lib/udev/rules.d/

debian/rules

@@ -12,12 +12,18 @@
 # "nocheck" option prevents from running tests (which need dedicated hardware)
 export DEB_BUILD_OPTIONS=nocheck
 
+# --enable-debug --with-drivers=all
+confflags := --disable-silent-rules \
+	--prefix=/usr \
+	--libdir=\$${prefix}/lib/$(DEB_HOST_MULTIARCH) \
+	$(NULL)
+confflags += $(shell dpkg-buildflags --export=configure)
+
 override_dh_installchangelogs:
 	dh_installchangelogs ChangeLog
 
 override_dh_auto_configure: 
-	dh_auto_configure -- --disable-silent-rules
-	# --enable-debug --with-drivers=all
+	dh_auto_configure -- $(confflags)
 
 %:
 	dh $@ --with autoreconf