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