-define stage1_variables
-$(1).spec = $(notdir $($(1)-SPEC))
-$(1).specpath = SPECS/$(1).spec
-$(1).module = $(firstword $($(1)-MODULES))
-$(1)-SVNPATH = $(strip $($(1)-SVNPATH))
+define stage1_package_vars
+$(1).spec := $(notdir $($(1)-SPEC))
+$(1).specpath := SPECS/$(1).spec
+$(1).module := $(firstword $($(1)-MODULES))
+endef
+
+$(foreach package, $(ALL), $(eval $(call stage1_package_vars,$(package))))
+
+# compute all modules
+ALL-MODULES :=
+$(foreach package,$(ALL), $(eval ALL-MODULES+=$($(package)-MODULES)))
+ALL-MODULES:=$(sort $(ALL-MODULES))
+
+# extract revision from -SVNPATH
+define stage1_module_vars
+$(1)-SVNPATH := $(strip $($(1)-SVNPATH))
+$(1).svnpath := $(firstword $(subst @, ,$($(1)-SVNPATH)))
+$(1).svnrev := $(word 2,$(subst @, @,$($(1)-SVNPATH)))