rules: make make's output more verbose

debian/changelog

+collectd (5.5.0-3) UNRELEASED; urgency=medium
+
+  * debian/rules:
+    - Avoid hiding compiler options, allowing the buildd log scanner to do
+      it's job.
+
+ -- Marc Fournier <marc.fournier@camptocamp.com>  Tue, 25 Aug 2015 06:55:52 +0200
+
 collectd (5.5.0-2) unstable; urgency=low
 
   * debian/rules:

debian/rules

@@ -59,6 +59,7 @@ confflags = --host=$(DEB_HOST_GNU_TYPE) \
 			--without-libstatgrab \
 			--without-included-ltdl \
 			--disable-static \
+			--disable-silent-rules \
 			--enable-all-plugins
 
 # These plugins do not provide any functionality under Linux.