ifndef is not supported inside make variable expansion

[openwrt.git] / include / subdir.mk

diff --git a/include/subdir.mk b/include/subdir.mk
index a27333d..3097ea4 100644 (file)
--- a/include/subdir.mk
+++ b/include/subdir.mk
@@ -7,36 +7,51 @@
 
 SUBTARGETS:=clean download prepare compile install update refresh prereq
 
+subtarget-default = $(filter-out ., \
+       $(if $($(1)/builddirs-$(2)),$($(1)/builddirs-$(2)), \
+       $(if $($(1)/builddirs-default),$($(1)/builddirs-default), \
+       $($(1)/builddirs))))
+
 define subtarget
-  $(call warn_eval,$(1),t,T,$(1)/$(2): $($(1)/) $(foreach bd,$(if $($(1)/builddirs-$(2)),$(filter-out .,$($(1)/builddirs-$(2))),$($(1)/builddirs)),$(1)/$(bd)/$(2)))
+  $(call warn_eval,$(1),t,T,$(1)/$(2): $($(1)/) $(foreach bd,$(call subtarget-default,$(1),$(2)),$(1)/$(bd)/$(2)))
 
 endef
 
+
+lastdir=$(word $(words $(subst /, ,$(1))),$(subst /, ,$(1)))
+diralias=$(if $(findstring $(1),$(call lastdir,$(1))),,$(call lastdir,$(1)))
+
 # Parameters: <subdir>
 define subdir
   $(call warn,$(1),d,D $(1))
   $(foreach bd,$($(1)/builddirs),
     $(call warn,$(1),d,BD $(1)/$(bd))
     $(foreach target,$(SUBTARGETS),
-      $(call warn_eval,$(1)/$(bd),t,T,$(1)/$(bd)/$(target): $($(1)/$(bd)/$(target)) $(call $(1)//$(target),$(1)/$(bd)))
-               @+$$(MAKE) -j1 -C $(1)/$(bd) $(target)
+      $(call warn_eval,$(1)/$(bd),t,T,$(1)/$(bd)/$(target): $(if $(QUILT),,$($(1)/$(bd)/$(target)) $(call $(1)//$(target),$(1)/$(bd))))
+               +$$(MAKE) -j1 -C $(1)/$(bd) $(target) $(if $(findstring $(bd),$($(1)/builddirs-ignore-$(target))), || $(call MESSAGE,   ERROR: $(1)/$(bd) failed to build.))
+
+        $$(if $(call debug,$(1)/$(bd),v),,.SILENT: $(1)/$(bd)/$(target))
 
       # legacy targets
       $(call warn_eval,$(1)/$(bd),l,T,$(1)/$(bd)-$(target): $(1)/$(bd)/$(target))
+      # aliases
+      $(if $(call diralias,$(bd)),$(call warn_eval,$(1)/$(bd),l,T,$(1)/$(call diralias,$(bd))/$(target): $(1)/$(bd)/$(target)))
        )
   )
   $(foreach target,$(SUBTARGETS),$(call subtarget,$(1),$(target)))
 endef
 
-# Parameters: <subdir> <name> <target>
+# Parameters: <subdir> <name> <target> <depends>
 define stampfile
-  $(1)/stamp-$(3):=$(STAGING_DIR)/stampfiles/.$(2)_$(3)
-  $(call rdep,$(1),$$($(1)/stamp-$(3)),)
-
-  $$($(1)/stamp-$(3)):
-       @+$(MAKE) $(1)/$(3)
+  $(1)/stamp-$(3):=$(STAGING_DIR)/stamp/.$(2)_$(3)
+  $$($(1)/stamp-$(3)): $(TMP_DIR)/.build $(4)
+       @+$(SCRIPT_DIR)/timestamp.pl -n $$($(1)/stamp-$(3)) $(1) $(4) || \
+               $(MAKE) $$($(1)/flags-$(3)) $(1)/$(3)
        @mkdir -p $$$$(dirname $$($(1)/stamp-$(3)))
        @touch $$($(1)/stamp-$(3))
+
+  $$(if $(call debug,$(1),v),,.SILENT: $$($(1)/stamp-$(3)))
+
   .PRECIOUS: $$($(1)/stamp-$(3)) # work around a make bug
 
   $(1)//clean:=$(1)/stamp-$(3)/clean