dont output anything when running in silent mode

Makefile

@@ -163,9 +163,9 @@ docs/busybox.pod : $(top_srcdir)/docs/busybox_header.pod $(top_srcdir)/include/u
 	    cat $(top_srcdir)/docs/busybox_footer.pod ) > docs/busybox.pod
 
 docs/BusyBox.txt: docs/busybox.pod
-	@echo
-	@echo BusyBox Documentation
-	@echo
+	$(SECHO)
+	$(SECHO) BusyBox Documentation
+	$(SECHO)
 	-mkdir -p docs
 	-pod2text $< > $@
 
@@ -220,9 +220,9 @@ include/bb_config.h: include/config.h
 	echo "#endif" >> $@
 
 finished2:
-	@echo
-	@echo Finished installing...
-	@echo
+	$(SECHO)
+	$(SECHO) Finished installing...
+	$(SECHO)
 
 else # ifeq ($(strip $(HAVE_DOT_CONFIG)),y)
 

Rules.mak

@@ -109,6 +109,15 @@ endif
 check_gcc=$(shell if $(CC) $(1) -S -o /dev/null -xc /dev/null > /dev/null 2>&1; \
 	then echo "$(1)"; else echo "$(2)"; fi)
 
+# Setup some shortcuts so that silent mode is silent like it should be
+ifeq ($(subst s,,$(MAKEFLAGS)),$(MAKEFLAGS))
+export MAKE_IS_SILENT=n
+SECHO=@echo
+else
+export MAKE_IS_SILENT=y
+SECHO=-@false
+endif
+
 #--------------------------------------------------------
 # Arch specific compiler optimization stuff should go here.
 # Unless you want to override the defaults, do not set anything