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Commit b37bb1d8 authored by Yo Chiang's avatar Yo Chiang Committed by Automerger Merge Worker
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Require required modules to exist am: 64faf889 

Original change: https://android-review.googlesource.com/c/platform/build/+/1306572

Change-Id: I15f728dcd0a73269ec99146982f2763f2e169ac3
parents d4aef161 64faf889

Changes.md

+10 −0
Original line number Diff line number Diff line 
# Build System Changes for Android.mk Writers



## `LOCAL_REQUIRED_MODULES` requires listed modules to exist {#BUILD_BROKEN_MISSING_REQUIRED_MODULES}



Modules listed in `LOCAL_REQUIRED_MODULES`, `LOCAL_HOST_REQUIRED_MODULES` and

`LOCAL_TARGET_REQUIRED_MODULES` need to exist unless `ALLOW_MISSING_DEPENDENCIES`

is set.



To temporarily relax missing required modules check, use:



`BUILD_BROKEN_MISSING_REQUIRED_MODULES := true`



## Changes in system properties settings



### Product variables

core/board_config.mk

+2 −1
Original line number Diff line number Diff line
@@ -98,13 +98,14 @@ _board_strip_readonly_list += \ 


_build_broken_var_list := \

  BUILD_BROKEN_DUP_RULES \

  BUILD_BROKEN_DUP_SYSPROP \

  BUILD_BROKEN_ELF_PREBUILT_PRODUCT_COPY_FILES \

  BUILD_BROKEN_MISSING_REQUIRED_MODULES \

  BUILD_BROKEN_OUTSIDE_INCLUDE_DIRS \

  BUILD_BROKEN_PREBUILT_ELF_FILES \

  BUILD_BROKEN_TREBLE_SYSPROP_NEVERALLOW \

  BUILD_BROKEN_USES_NETWORK \

  BUILD_BROKEN_VINTF_PRODUCT_COPY_FILES \

  BUILD_BROKEN_DUP_SYSPROP \



_build_broken_var_list += \

  $(foreach m,$(AVAILABLE_BUILD_MODULE_TYPES) \

core/main.mk

+18 −3
Original line number Diff line number Diff line
@@ -623,7 +623,6 @@ $(strip \ 
)

endef



# TODO(b/7456955): error if a required module doesn't exist.

# Resolve the required module names to 32-bit or 64-bit variant for:

#   ALL_MODULES.<*>.REQUIRED_FROM_TARGET

#   ALL_MODULES.<*>.REQUIRED_FROM_HOST
@@ -656,7 +655,8 @@ $(foreach m,$(ALL_MODULES), \ 
            $(if $(and $(module_is_native),$(required_is_shared_library_or_native_test)), \

              $(if $(ALL_MODULES.$(m).FOR_2ND_ARCH),$(r_i_2nd),$(r_i)), \

              $(r_i) $(r_i_2nd)))) \

        $(eval ### TODO(b/7456955): error if r_m is empty / does not exist) \

        $(eval r_m := $(foreach r_j,$(r_m),$(if $(ALL_MODULES.$(r_j).PATH),$(r_j)))) \

        $(if $(r_m),,$(eval _nonexistent_required += $(1)$(comma)$(m)$(comma)$(1)$(comma)$(r_i))) \

        $(r_m))) \

    $(eval ALL_MODULES.$(m).REQUIRED_FROM_$(1) := $(sort $(r_r))) \

  ) \
@@ -679,18 +679,33 @@ $(foreach m,$(ALL_MODULES), \ 
    $(eval r_r := \

      $(foreach r_i,$(r), \

        $(eval r_m := $(call resolve-bitness-for-modules,$(1),$(r_i))) \

        $(eval ### TODO(b/7456955): error if r_m is empty / does not exist) \

        $(eval r_m := $(foreach r_j,$(r_m),$(if $(ALL_MODULES.$(r_j).PATH),$(r_j)))) \

        $(if $(r_m),,$(eval _nonexistent_required += $(2)$(comma)$(m)$(comma)$(1)$(comma)$(r_i))) \

        $(r_m))) \

    $(eval ALL_MODULES.$(m).$(1)_REQUIRED_FROM_$(2) := $(sort $(r_r))) \

  ) \

)

endef



_nonexistent_required :=

$(call select-bitness-of-required-modules,TARGET)

$(call select-bitness-of-required-modules,HOST)

$(call select-bitness-of-required-modules,HOST_CROSS)

$(call select-bitness-of-target-host-required-modules,TARGET,HOST)

$(call select-bitness-of-target-host-required-modules,HOST,TARGET)

_nonexistent_required := $(sort $(_nonexistent_required))



ifeq (,$(filter true,$(ALLOW_MISSING_DEPENDENCIES) $(BUILD_BROKEN_MISSING_REQUIRED_MODULES)))

ifneq (,$(_nonexistent_required))

  $(warning Missing required dependencies:)

  $(foreach r_i,$(_nonexistent_required), \

    $(eval r := $(subst $(comma),$(space),$(r_i))) \

    $(info $(word 1,$(r)) module $(word 2,$(r)) requires non-existent $(word 3,$(r)) module: $(word 4,$(r))) \

  )

  $(warning Set BUILD_BROKEN_MISSING_REQUIRED_MODULES := true to bypass this check if this is intentional)

  $(error Build failed)

endif # _nonexistent_required != empty

endif # ALLOW_MISSING_DEPENDENCIES != true && BUILD_BROKEN_MISSING_REQUIRED_MODULES != true



define add-required-deps

$(1): | $(2)