f56ffa5851
Calling $(abspath) is better than checking and prepending $(PWD) if
necessary.
Bug: 27429759
Change-Id: Ia156f8a5d6b88b6090f4d23c7f9166bd62d3ab70
(cherry-pick from commit 80ceadc945)
123 lines
3.8 KiB
Makefile
123 lines
3.8 KiB
Makefile
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# List of variables we want to print in the build banner.
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print_build_config_vars := \
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PLATFORM_VERSION_CODENAME \
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PLATFORM_VERSION \
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TARGET_PRODUCT \
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TARGET_BUILD_VARIANT \
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TARGET_BUILD_TYPE \
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TARGET_BUILD_APPS \
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TARGET_ARCH \
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TARGET_ARCH_VARIANT \
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TARGET_CPU_VARIANT \
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TARGET_2ND_ARCH \
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TARGET_2ND_ARCH_VARIANT \
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TARGET_2ND_CPU_VARIANT \
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HOST_ARCH \
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HOST_2ND_ARCH \
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HOST_OS \
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HOST_OS_EXTRA \
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HOST_CROSS_OS \
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HOST_CROSS_ARCH \
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HOST_CROSS_2ND_ARCH \
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HOST_BUILD_TYPE \
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BUILD_ID \
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OUT_DIR
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ifeq ($(TARGET_BUILD_PDK),true)
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print_build_config_vars += \
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TARGET_BUILD_PDK \
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PDK_FUSION_PLATFORM_ZIP
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endif
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# ---------------------------------------------------------------
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# the setpath shell function in envsetup.sh uses this to figure out
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# what to add to the path given the config we have chosen.
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ifeq ($(CALLED_FROM_SETUP),true)
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ifneq ($(filter /%,$(HOST_OUT_EXECUTABLES)),)
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ABP:=$(HOST_OUT_EXECUTABLES)
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else
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ABP:=$(PWD)/$(HOST_OUT_EXECUTABLES)
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endif
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ANDROID_BUILD_PATHS := $(ABP)
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ANDROID_PREBUILTS := prebuilt/$(HOST_PREBUILT_TAG)
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ANDROID_GCC_PREBUILTS := prebuilts/gcc/$(HOST_PREBUILT_TAG)
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# The "dumpvar" stuff lets you say something like
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#
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# CALLED_FROM_SETUP=true \
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# make -f config/envsetup.make dumpvar-TARGET_OUT
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# or
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# CALLED_FROM_SETUP=true \
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# make -f config/envsetup.make dumpvar-abs-HOST_OUT_EXECUTABLES
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#
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# The plain (non-abs) version just dumps the value of the named variable.
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# The "abs" version will treat the variable as a path, and dumps an
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# absolute path to it.
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#
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dumpvar_goals := \
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$(strip $(patsubst dumpvar-%,%,$(filter dumpvar-%,$(MAKECMDGOALS))))
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ifdef dumpvar_goals
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ifneq ($(words $(dumpvar_goals)),1)
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$(error Only one "dumpvar-" goal allowed. Saw "$(MAKECMDGOALS)")
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endif
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# If the goal is of the form "dumpvar-abs-VARNAME", then
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# treat VARNAME as a path and return the absolute path to it.
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absolute_dumpvar := $(strip $(filter abs-%,$(dumpvar_goals)))
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ifdef absolute_dumpvar
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dumpvar_goals := $(patsubst abs-%,%,$(dumpvar_goals))
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DUMPVAR_VALUE := $(abspath $($(dumpvar_goals)))
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dumpvar_target := dumpvar-abs-$(dumpvar_goals)
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else
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DUMPVAR_VALUE := $($(dumpvar_goals))
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dumpvar_target := dumpvar-$(dumpvar_goals)
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endif
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.PHONY: $(dumpvar_target)
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$(dumpvar_target):
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@echo $(DUMPVAR_VALUE)
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endif # dumpvar_goals
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ifneq ($(dumpvar_goals),report_config)
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PRINT_BUILD_CONFIG:=
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endif
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ifneq ($(filter report_config,$(DUMP_MANY_VARS)),)
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# Construct the shell commands that print the config banner.
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report_config_sh := echo '============================================';
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report_config_sh += $(foreach v,$(print_build_config_vars),echo '$v=$($(v))';)
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report_config_sh += echo '============================================';
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endif
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# Dump mulitple variables to "<var>=<value>" pairs, one per line.
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# The output may be executed as bash script.
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# Input variables:
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# DUMP_MANY_VARS: the list of variable names.
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# DUMP_VAR_PREFIX: an optional prefix of the variable name added to the output.
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# DUMP_MANY_ABS_VARS: the list of abs variable names.
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# DUMP_ABS_VAR_PREFIX: an optional prefix of the abs variable name added to the output.
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.PHONY: dump-many-vars
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dump-many-vars :
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@$(foreach v, $(filter-out report_config, $(DUMP_MANY_VARS)),\
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echo "$(DUMP_VAR_PREFIX)$(v)='$($(v))'";)
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ifneq ($(filter report_config, $(DUMP_MANY_VARS)),)
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@# Construct a special variable for report_config.
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@# Escape \` to defer the execution of report_config_sh to preserve the line breaks.
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@echo "$(DUMP_VAR_PREFIX)report_config=\`$(report_config_sh)\`"
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endif
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@$(foreach v, $(sort $(DUMP_MANY_ABS_VARS)),\
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echo "$(DUMP_ABS_VAR_PREFIX)$(v)='$(abspath $($(v)))'";)
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endif # CALLED_FROM_SETUP
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ifneq ($(PRINT_BUILD_CONFIG),)
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$(info ============================================)
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$(foreach v, $(print_build_config_vars),\
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$(info $v=$($(v))))
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$(info ============================================)
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endif
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