port generic and ixp4xx kernel patches to 2.6.27 (compiles except for iptables, but...
[openwrt/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)/$(2)))
17
18 endef
19
20
21 lastdir=$(word $(words $(subst /, ,$(1))),$(subst /, ,$(1)))
22 diralias=$(if $(findstring $(1),$(call lastdir,$(1))),,$(call lastdir,$(1)))
23
24 # Parameters: <subdir>
25 define subdir
26 $(call warn,$(1),d,D $(1))
27 $(foreach bd,$($(1)/builddirs),
28 $(call warn,$(1),d,BD $(1)/$(bd))
29 $(foreach target,$(SUBTARGETS),
30 $(call warn_eval,$(1)/$(bd),t,T,$(1)/$(bd)/$(target): $(if $(QUILT),,$($(1)/$(bd)/$(target)) $(call $(1)//$(target),$(1)/$(bd))))
31 +$$(SUBMAKE) -C $(1)/$(bd) $(target) $(if $(findstring $(bd),$($(1)/builddirs-ignore-$(target))), || $(call MESSAGE, ERROR: $(1)/$(bd) failed to build.))
32 $$(if $(call debug,$(1)/$(bd),v),,.SILENT: $(1)/$(bd)/$(target))
33
34 # legacy targets
35 $(call warn_eval,$(1)/$(bd),l,T,$(1)/$(bd)-$(target): $(1)/$(bd)/$(target))
36 # aliases
37 $(if $(call diralias,$(bd)),$(call warn_eval,$(1)/$(bd),l,T,$(1)/$(call diralias,$(bd))/$(target): $(1)/$(bd)/$(target)))
38 )
39 )
40 $(foreach target,$(SUBTARGETS),$(call subtarget,$(1),$(target)))
41 endef
42
43 # Parameters: <subdir> <name> <target> <depends>
44 define stampfile
45 $(1)/stamp-$(3):=$(STAGING_DIR)/stamp/.$(2)_$(3)
46 $$($(1)/stamp-$(3)): $(TMP_DIR)/.build $(4)
47 @+$(SCRIPT_DIR)/timestamp.pl -n $$($(1)/stamp-$(3)) $(1) $(4) || \
48 $(MAKE) $$($(1)/flags-$(3)) $(1)/$(3)
49 @mkdir -p $$$$(dirname $$($(1)/stamp-$(3)))
50 @touch $$($(1)/stamp-$(3))
51
52 $$(if $(call debug,$(1),v),,.SILENT: $$($(1)/stamp-$(3)))
53
54 .PRECIOUS: $$($(1)/stamp-$(3)) # work around a make bug
55
56 $(1)//clean:=$(1)/stamp-$(3)/clean
57 $(1)/stamp-$(3)/clean: FORCE
58 @rm -f $$($(1)/stamp-$(3))
59
60 endef