clean up recursive dependency handling, use timestamp.pl again, because it saves...
[openwrt.git] / include / subdir.mk
1 #
2 # Copyright (C) 2007 OpenWrt.org
3 #
4 # This is free software, licensed under the GNU General Public License v2.
5 # See /LICENSE for more information.
6 #
7
8 SUBTARGETS:=clean download prepare compile install update refresh prereq
9
10 subtarget-default = $(filter-out ., \
11 $(if $($(1)/builddirs-$(2)),$($(1)/builddirs-$(2)), \
12 $(if $($(1)/builddirs-default),$($(1)/builddirs-default), \
13 $($(1)/builddirs))))
14
15 define subtarget
16 $(call warn_eval,$(1),t,T,$(1)/$(2): $($(1)/) $(foreach bd,$(call subtarget-default,$(1),$(2)),$(1)/$(bd)/$(2)))
17
18 endef
19
20 # Parameters: <subdir>
21 define subdir
22 $(call warn,$(1),d,D $(1))
23 $(foreach bd,$($(1)/builddirs),
24 $(call warn,$(1),d,BD $(1)/$(bd))
25 $(foreach target,$(SUBTARGETS),
26 $(call warn_eval,$(1)/$(bd),t,T,$(1)/$(bd)/$(target): $(if $(QUILT),,$($(1)/$(bd)/$(target)) $(call $(1)//$(target),$(1)/$(bd))))
27 +$$(MAKE) -j1 -C $(1)/$(bd) $(target)
28 $$(if $(call debug,$(1)/$(bd),v),,.SILENT: $(1)/$(bd)/$(target))
29
30 # legacy targets
31 $(call warn_eval,$(1)/$(bd),l,T,$(1)/$(bd)-$(target): $(1)/$(bd)/$(target))
32 )
33 )
34 $(foreach target,$(SUBTARGETS),$(call subtarget,$(1),$(target)))
35 endef
36
37 # Parameters: <subdir> <name> <target>
38 define stampfile
39 $(1)/stamp-$(3):=$(STAGING_DIR)/stamp/.$(2)_$(3)
40 $$($(1)/stamp-$(3)): $(TMP_DIR)/.build
41 @+$(SCRIPT_DIR)/timestamp.pl -n $$($(1)/stamp-$(3)) $(1) || \
42 $(MAKE) $$($(1)/flags-$(3)) $(1)/$(3)
43 @mkdir -p $$$$(dirname $$($(1)/stamp-$(3)))
44 @touch $$($(1)/stamp-$(3))
45
46 $$(if $(call debug,$(1),v),,.SILENT: $$($(1)/stamp-$(3)))
47
48 .PRECIOUS: $$($(1)/stamp-$(3)) # work around a make bug
49
50 $(1)//clean:=$(1)/stamp-$(3)/clean
51 $(1)/stamp-$(3)/clean: FORCE
52 @rm -f $$($(1)/stamp-$(3))
53
54 endef
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