Use AM_SILENT_RULES if automake >= 1.11 is installed

Fixes bug:

  http://bugzilla.openedhand.com/show_bug.cgi?id=1756

Based on a patch by: Javier Jardón <javierjc1982@gmail.com>

clutter/Makefile.am

@@ -1,7 +1,10 @@
 NULL      =
-V         = @
+
-Q         = $(V:1=)
+if USE_SHAVE
 QUIET_GEN = $(Q:@=@echo '  GEN   '$@;)
+else
+QUIET_GEN = $(AM_V_GEN)
+endif # USE_SHAVE
 
 SUBDIRS = cogl pango $(backendextra) $(clutterbackend)
 

clutter/cogl/Makefile.am

@@ -1,8 +1,10 @@
 NULL =
 
-V         = @
+if USE_SHAVE
-Q         = $(V:1=)
 QUIET_GEN = $(Q:@=@echo '  GEN   '$@;)
+else
+QUIET_GEN = $(AM_V_GEN)
+endif # USE_SHAVE
 
 SUBDIRS = common $(CLUTTER_COGL)
 

clutter/cogl/common/Makefile.am

@@ -1,9 +1,10 @@
 NULL =
 
-V         = @
+if USE_SHAVE
-Q         = $(V:1=)
 QUIET_GEN = $(Q:@=@echo '  GEN   '$@;)
-QUIET_CP  = $(Q:@=@echo '  CP    '$@;)
+else
+QUIET_GEN = $(AM_V_GEN)
+endif # USE_SHAVE
 
 INCLUDES = \
 	-I$(top_srcdir) \

configure.ac

@@ -757,14 +757,26 @@ GLIB_DEFINE_LOCALEDIR(LOCALEDIR)
 
 dnl ===========================================================================
 
-SHAVE_INIT([build/autotools], [enable])
+m4_ifdef([AM_SILENT_RULES],
+	 [
+           AM_SILENT_RULES([yes])
+           use_shave=no
+         ],
+	 [
+           SHAVE_INIT([build/autotools], [enable])
+           AC_CONFIG_FILES([
+                build/autotools/shave
+                build/autotools/shave-libtool
+           ])
+           use_shave=yes
+         ])
+
+AM_CONDITIONAL([USE_SHAVE], [test "x$use_shave" = "xyes"])
 
 AC_CONFIG_FILES([
         Makefile
         build/Makefile
         build/autotools/Makefile
-        build/autotools/shave
-        build/autotools/shave-libtool
         clutter/Makefile
         clutter/clutter-version.h
         clutter/clutter-json.h