clean up stampfile mess for tools/ and toolchain/

SVN-Revision: 6357

rules.mk

@@ -130,6 +130,26 @@ $(call shvar,$(1))=$$(call $(1))
 export $(call shvar,$(1))
 endef
 
+# Default targets for subdirectory calls
+# Parameters:
+# 	1: dependencies for the prepare step
+define default_subtargets
+  %-download: FORCE
+	$$(MAKE) -C $$(patsubst %-download,%,$$@) download
+
+  %-prepare: $(1) FORCE
+	$$(MAKE) -C $$(patsubst %-prepare,%,$$@) prepare
+
+  %-compile: %-prepare 
+	$$(MAKE) -C $$(patsubst %-compile,%,$$@) compile
+
+  %-install: %-compile
+	$$(MAKE) -C $$(patsubst %-install,%,$$@) install
+
+  %-clean: FORCE
+	@$$(MAKE) -C $$(patsubst %-clean,%,$$@) clean
+endef
+
 
 all:
 FORCE: ;