include/subdir.mk

   1 # SPDX-License-Identifier: GPL-2.0-only
   2 #
   3 # Copyright (C) 2007-2020 OpenWrt.org
   4
   5 ifeq ($(MAKECMDGOALS),prereq)
   6   SUBTARGETS:=prereq
   7   PREREQ_ONLY:=1
   8 else
   9   SUBTARGETS:=$(DEFAULT_SUBDIR_TARGETS)
  10 endif
  11
  12 subtarget-default = $(filter-out ., \
  13         $(if $($(1)/builddirs-$(2)),$($(1)/builddirs-$(2)), \
  14         $(if $($(1)/builddirs-default),$($(1)/builddirs-default), \
  15         $($(1)/builddirs))))
  16
  17 define subtarget
  18   $(call warn_eval,$(1),t,T,$(1)/$(2): $($(1)/) $(foreach bd,$(call subtarget-default,$(1),$(2)),$(1)/$(bd)/$(2)))
  19
  20 endef
  21
  22 define ERROR
  23         ($(call MESSAGE, $(2)); $(if $(BUILD_LOG), echo "$(2)" >> $(BUILD_LOG_DIR)/$(1)/error.txt;) $(if $(3),, exit 1;))
  24 endef
  25
  26 lastdir=$(word $(words $(subst /, ,$(1))),$(subst /, ,$(1)))
  27 diralias=$(if $(findstring $(1),$(call lastdir,$(1))),,$(call lastdir,$(1)))
  28
  29 subdir_make_opts = \
  30         $(if $(SUBDIR_MAKE_DEBUG),-d) -r -C $(1) \
  31                 BUILD_SUBDIR="$(1)" \
  32                 BUILD_VARIANT="$(4)" \
  33                 ALL_VARIANTS="$(5)"
  34
  35 # 1: subdir
  36 # 2: target
  37 # 3: build type
  38 # 4: build variant
  39 # 5: all variants
  40 log_make = \
  41          $(if $(call debug,$(1),v),,@)+ \
  42          $(if $(BUILD_LOG), \
  43                 set -o pipefail; \
  44                 mkdir -p $(BUILD_LOG_DIR)/$(1)$(if $(4),/$(4));) \
  45         $(SCRIPT_DIR)/time.pl "time: $(1)$(if $(4),/$(4))/$(if $(3),$(3)-)$(2)" \
  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 $(NO_DEPS)$(QUILT),,$($(1)/$(bd)/$(btype)/$(target)) $(call $(1)//$(btype)/$(target),$(1)/$(bd)/$(btype))))
  67                   $(call log_make,$(1)/$(bd),$(target),$(btype),$(filter-out __default,$(variant)),$($(1)/$(bd)/variants)) \
  68                         || $(call ERROR,$(2),   ERROR: $(1)/$(bd) [$(btype)] failed to build.,$(findstring $(bd),$($(1)/builddirs-ignore-$(btype)-$(target))))
  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 $(NO_DEPS)$(QUILT),,$($(1)/$(bd)/$(target)) $(call $(1)//$(target),$(1)/$(bd))))
  72         $(foreach variant,$(filter-out *,$(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)),$($(1)/$(bd)/variants)))
  75                         $(call log_make,$(1)/$(bd),$(target),,$(filter-out __default,$(variant)),$($(1)/$(bd)/variants)) \
  76                                 || $(call ERROR,$(1),   ERROR: $(1)/$(bd) failed to build$(if $(filter-out __default,$(variant)), (build variant: $(variant))).,$(findstring $(bd),$($(1)/builddirs-ignore-$(target))))
  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