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 ifeq ($(MAKECMDGOALS),prereq)
   9   SUBTARGETS:=prereq
  10   PREREQ_ONLY:=1
  11 else
  12   SUBTARGETS:=$(DEFAULT_SUBDIR_TARGETS)
  13 endif
  14
  15 subtarget-default = $(filter-out ., \
  16         $(if $($(1)/builddirs-$(2)),$($(1)/builddirs-$(2)), \
  17         $(if $($(1)/builddirs-default),$($(1)/builddirs-default), \
  18         $($(1)/builddirs))))
  19
  20 define subtarget
  21   $(call warn_eval,$(1),t,T,$(1)/$(2): $($(1)/) $(foreach bd,$(call subtarget-default,$(1),$(2)),$(1)/$(bd)/$(2)))
  22
  23 endef
  24
  25 define ERROR
  26         ($(call MESSAGE, $(2)); $(if $(BUILD_LOG), echo "$(2)" >> $(BUILD_LOG_DIR)/$(1)/error.txt))
  27 endef
  28
  29 lastdir=$(word $(words $(subst /, ,$(1))),$(subst /, ,$(1)))
  30 diralias=$(if $(findstring $(1),$(call lastdir,$(1))),,$(call lastdir,$(1)))
  31
  32 subdir_make_opts = \
  33         -r -C $(1) \
  34                 BUILD_SUBDIR="$(1)" \
  35                 BUILD_VARIANT="$(4)"
  36
  37 # 1: subdir
  38 # 2: target
  39 # 3: build type
  40 # 4: build variant
  41 log_make = \
  42          $(if $(call debug,$(1),v),,@)+ \
  43          $(if $(BUILD_LOG), \
  44                 set -o pipefail; \
  45                 mkdir -p $(BUILD_LOG_DIR)/$(1)$(if $(4),/$(4));) \
  46         $$(SUBMAKE) $(subdir_make_opts) $(if $(3),$(3)-)$(2) \
  47                 $(if $(BUILD_LOG),SILENT= 2>&1 | tee $(BUILD_LOG_DIR)/$(1)$(if $(4),/$(4))/$(if $(3),$(3)-)$(2).txt)
  48
  49 ifdef CONFIG_AUTOREMOVE
  50 rebuild_check = \
  51         @-$$(NO_TRACE_MAKE) $(subdir_make_opts) check-depends >/dev/null 2>/dev/null; \
  52                 $(if $(BUILD_LOG),mkdir -p $(BUILD_LOG_DIR)/$(1)$(if $(4),/$(4));) \
  53                 $$(NO_TRACE_MAKE) $(if $(BUILD_LOG),-d) -q $(subdir_make_opts) .$(if $(3),$(3)-)$(2) \
  54                         > $(if $(BUILD_LOG),$(BUILD_LOG_DIR)/$(1)$(if $(4),/$(4))/check-$(if $(3),$(3)-)$(2).txt,/dev/null) 2>&1 || \
  55                         $$(SUBMAKE) $(subdir_make_opts) clean-build >/dev/null 2>/dev/null
  56
  57 endif
  58
  59 # Parameters: <subdir>
  60 define subdir
  61   $(call warn,$(1),d,D $(1))
  62   $(foreach bd,$($(1)/builddirs),
  63     $(call warn,$(1),d,BD $(1)/$(bd))
  64     $(foreach target,$(SUBTARGETS) $($(1)/subtargets),
  65       $(foreach btype,$(buildtypes-$(bd)),
  66         $(call warn_eval,$(1)/$(bd),t,T,$(1)/$(bd)/$(btype)/$(target): $(if $(QUILT),,$($(1)/$(bd)/$(btype)/$(target)) $(call $(1)//$(btype)/$(target),$(1)/$(bd)/$(btype))))
  67                   $(call log_make,$(1)/$(bd),$(target),$(btype),$(filter-out __default,$(variant))) \
  68                         $(if $(findstring $(bd),$($(1)/builddirs-ignore-$(btype)-$(target))), || $(call ERROR,$(1),   ERROR: $(1)/$(bd) [$(btype)] failed to build.))
  69         $(if $(call diralias,$(bd)),$(call warn_eval,$(1)/$(bd),l,T,$(1)/$(call diralias,$(bd))/$(btype)/$(target): $(1)/$(bd)/$(btype)/$(target)))
  70       )
  71       $(call warn_eval,$(1)/$(bd),t,T,$(1)/$(bd)/$(target): $(if $(QUILT),,$($(1)/$(bd)/$(target)) $(call $(1)//$(target),$(1)/$(bd))))
  72         $(foreach variant,$(if $(BUILD_VARIANT),$(BUILD_VARIANT),$(if $(strip $($(1)/$(bd)/variants)),$($(1)/$(bd)/variants),$(if $($(1)/$(bd)/default-variant),$($(1)/$(bd)/default-variant),__default))),
  73                         $(if $(BUILD_LOG),@mkdir -p $(BUILD_LOG_DIR)/$(1)/$(bd)/$(filter-out __default,$(variant)))
  74                         $(if $($(1)/autoremove),$(call rebuild_check,$(1)/$(bd),$(target),,$(filter-out __default,$(variant))))
  75                         $(call log_make,$(1)/$(bd),$(target),,$(filter-out __default,$(variant))) \
  76                                 $(if $(findstring $(bd),$($(1)/builddirs-ignore-$(target))), || $(call ERROR,$(1),   ERROR: $(1)/$(bd) failed to build$(if $(filter-out __default,$(variant)), (build variant: $(variant))).))
  77         )
  78       $(if $(PREREQ_ONLY)$(DUMP_TARGET_DB),,
  79         # aliases
  80         $(if $(call diralias,$(bd)),$(call warn_eval,$(1)/$(bd),l,T,$(1)/$(call diralias,$(bd))/$(target): $(1)/$(bd)/$(target)))
  81           )
  82         )
  83   )
  84   $(foreach target,$(SUBTARGETS) $($(1)/subtargets),$(call subtarget,$(1),$(target)))
  85 endef
  86
  87 ifndef DUMP_TARGET_DB
  88 # Parameters: <subdir> <name> <target> <depends> <config options> <stampfile location>
  89 define stampfile
  90   $(1)/stamp-$(3):=$(if $(6),$(6),$(STAGING_DIR))/stamp/.$(2)_$(3)$(5)
  91   $$($(1)/stamp-$(3)): $(TMP_DIR)/.build $(4)
  92         @+$(SCRIPT_DIR)/timestamp.pl -n $$($(1)/stamp-$(3)) $(1) $(4) || \
  93                 $(MAKE) $(if $(QUIET),--no-print-directory) $$($(1)/flags-$(3)) $(1)/$(3)
  94         @mkdir -p $$$$(dirname $$($(1)/stamp-$(3)))
  95         @touch $$($(1)/stamp-$(3))
  96
  97   $$(if $(call debug,$(1),v),,.SILENT: $$($(1)/stamp-$(3)))
  98
  99   .PRECIOUS: $$($(1)/stamp-$(3)) # work around a make bug
 100
 101   $(1)//clean:=$(1)/stamp-$(3)/clean
 102   $(1)/stamp-$(3)/clean: FORCE
 103         @rm -f $$($(1)/stamp-$(3))
 104
 105 endef
 106 endif