* add support for silent builds

* default is "no"

[[Imported from SVN: r6454]]

bin/dunecontrol

@@ -768,6 +768,7 @@ case "$command" in
 m4_define([DUNE_AC_INIT],[
   AC_INIT([$name], [$version], [$maintainer])
   AM_INIT_AUTOMAKE([foreign 1.5 tar-pax])
+  m4_ifdef([AM_SILENT_RULES], [AM_SILENT_RULES([no])])
   AC_SUBST([DUNE_MOD_VERSION], [$version])
   AC_SUBST([DUNE_MOD_NAME], [$name])
   AC_SUBST([DUNE_MAINTAINER_NAME], ["$maintainer"])