include/subdir.mk

   1 # SPDX-License-Identifier: GPL-2.0-only
   2 #
   3 # Copyright (C) 2007-2020 OpenWrt.org
   4
   5 ifeq ($(MAKECMDGOALS),prereq)
   6   SUBTARGETS:=prereq
   7   PREREQ_ONLY:=1
   8 # For target/linux related target add dtb to selectively compile dtbs
   9 else ifneq ($(filter target/linux/%,$(MAKECMDGOALS)),)
  10   SUBTARGETS:=$(DEFAULT_SUBDIR_TARGETS) dtb
  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;) $(if $(3),, exit 1;))
  27 endef
  28
  29 lastdir=$(word $(words $(subst /, ,$(1))),$(subst /, ,$(1)))
  30 diralias=$(if $(findstring $(1),$(call lastdir,$(1))),,$(call lastdir,$(1)))
  31
  32 subdir_make_opts = \
  33         $(if $(SUBDIR_MAKE_DEBUG),-d) -r -C $(1) \
  34                 BUILD_SUBDIR="$(1)" \
  35                 BUILD_VARIANT="$(4)" \
  36                 ALL_VARIANTS="$(5)"
  37
  38 # 1: subdir
  39 # 2: target
  40 # 3: build type
  41 # 4: build variant
  42 # 5: all variants
  43 log_make = \
  44          $(if $(call debug,$(1),v),,@)+ \
  45          $(if $(BUILD_LOG), \
  46                 set -o pipefail; \
  47                 mkdir -p $(BUILD_LOG_DIR)/$(1)$(if $(4),/$(4));) \
  48         $(SCRIPT_DIR)/time.pl "time: $(1)$(if $(4),/$(4))/$(if $(3),$(3)-)$(2)" \
  49         $$(SUBMAKE) $(subdir_make_opts) $(if $(3),$(3)-)$(2) \
  50                 $(if $(BUILD_LOG),SILENT= 2>&1 | tee $(BUILD_LOG_DIR)/$(1)$(if $(4),/$(4))/$(if $(3),$(3)-)$(2).txt)
  51
  52 ifdef CONFIG_AUTOREMOVE
  53 rebuild_check = \
  54         @-$$(NO_TRACE_MAKE) $(subdir_make_opts) check-depends >/dev/null 2>/dev/null; \
  55                 $(if $(BUILD_LOG),mkdir -p $(BUILD_LOG_DIR)/$(1)$(if $(4),/$(4));) \
  56                 $$(NO_TRACE_MAKE) $(if $(BUILD_LOG),-d) -q $(subdir_make_opts) .$(if $(3),$(3)-)$(2) \
  57                         > $(if $(BUILD_LOG),$(BUILD_LOG_DIR)/$(1)$(if $(4),/$(4))/check-$(if $(3),$(3)-)$(2).txt,/dev/null) 2>&1 || \
  58                         $$(SUBMAKE) $(subdir_make_opts) clean-build >/dev/null 2>/dev/null
  59
  60 endif
  61
  62 # Parameters: <subdir>
  63 define subdir
  64   $(call warn,$(1),d,D $(1))
  65   $(foreach bd,$($(1)/builddirs),
  66     $(call warn,$(1),d,BD $(1)/$(bd))
  67     $(foreach target,$(SUBTARGETS) $($(1)/subtargets),
  68       $(foreach btype,$(buildtypes-$(bd)),
  69         $(call warn_eval,$(1)/$(bd),t,T,$(1)/$(bd)/$(btype)/$(target): $(if $(NO_DEPS)$(QUILT),,$($(1)/$(bd)/$(btype)/$(target)) $(call $(1)//$(btype)/$(target),$(1)/$(bd)/$(btype))))
  70                   $(call log_make,$(1)/$(bd),$(target),$(btype),$(filter-out __default,$(variant)),$($(1)/$(bd)/variants)) \
  71                         || $(call ERROR,$(2),   ERROR: $(1)/$(bd) [$(btype)] failed to build.,$(findstring $(bd),$($(1)/builddirs-ignore-$(btype)-$(target))))
  72         $(if $(call diralias,$(bd)),$(call warn_eval,$(1)/$(bd),l,T,$(1)/$(call diralias,$(bd))/$(btype)/$(target): $(1)/$(bd)/$(btype)/$(target)))
  73       )
  74       $(call warn_eval,$(1)/$(bd),t,T,$(1)/$(bd)/$(target): $(if $(NO_DEPS)$(QUILT),,$($(1)/$(bd)/$(target)) $(call $(1)//$(target),$(1)/$(bd))))
  75         $(foreach variant,$(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)))),
  76                         $(if $(BUILD_LOG),@mkdir -p $(BUILD_LOG_DIR)/$(1)/$(bd)/$(filter-out __default,$(variant)))
  77                         $(if $($(1)/autoremove),$(call rebuild_check,$(1)/$(bd),$(target),,$(filter-out __default,$(variant)),$($(1)/$(bd)/variants)))
  78                         $(call log_make,$(1)/$(bd),$(target),,$(filter-out __default,$(variant)),$($(1)/$(bd)/variants)) \
  79                                 || $(call ERROR,$(1),   ERROR: $(1)/$(bd) failed to build$(if $(filter-out __default,$(variant)), (build variant: $(variant))).,$(findstring $(bd),$($(1)/builddirs-ignore-$(target))))
  80         )
  81       $(if $(PREREQ_ONLY)$(DUMP_TARGET_DB),,
  82         # aliases
  83         $(if $(call diralias,$(bd)),$(call warn_eval,$(1)/$(bd),l,T,$(1)/$(call diralias,$(bd))/$(target): $(1)/$(bd)/$(target)))
  84           )
  85         )
  86   )
  87   $(foreach target,$(SUBTARGETS) $($(1)/subtargets),$(call subtarget,$(1),$(target)))
  88 endef
  89
  90 ifndef DUMP_TARGET_DB
  91 # Parameters: <subdir> <name> <target> <depends> <config options> <stampfile location>
  92 define stampfile
  93   $(1)/stamp-$(3):=$(if $(6),$(6),$(STAGING_DIR))/stamp/.$(2)_$(3)$(5)
  94   $$($(1)/stamp-$(3)): $(TMP_DIR)/.build $(4)
  95         @+$(SCRIPT_DIR)/timestamp.pl -n $$($(1)/stamp-$(3)) $(1) $(4) || \
  96                 $(MAKE) $(if $(QUIET),--no-print-directory) $$($(1)/flags-$(3)) $(1)/$(3)
  97         @mkdir -p $$$$(dirname $$($(1)/stamp-$(3)))
  98         @touch $$($(1)/stamp-$(3))
  99
 100   $$(if $(call debug,$(1),v),,.SILENT: $$($(1)/stamp-$(3)))
 101
 102   .PRECIOUS: $$($(1)/stamp-$(3)) # work around a make bug
 103
 104   $(1)//clean:=$(1)/stamp-$(3)/clean
 105   $(1)/stamp-$(3)/clean: FORCE
 106         @rm -f $$($(1)/stamp-$(3))
 107
 108 endef
 109 endif