80 lines
3.2 KiB
Makefile
80 lines
3.2 KiB
Makefile
SOONG_OUT_DIR := $(OUT_DIR)/soong
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# This needs to exist before the realpath checks below
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$(shell mkdir -p $(SOONG_OUT_DIR))
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ifeq (,$(filter /%,$(SOONG_OUT_DIR)))
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SOONG_TOP_RELPATH := $(shell python -c "import os; print os.path.relpath('$(TOP)', '$(SOONG_OUT_DIR)')")
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# Protect against out being a symlink and relative paths not working
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ifneq ($(realpath $(SOONG_OUT_DIR)/$(SOONG_TOP_RELPATH)),$(realpath $(TOP)))
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SOONG_OUT_DIR := $(abspath $(SOONG_OUT_DIR))
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SOONG_TOP_RELPATH := $(abspath $(TOP))
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endif
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else
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SOONG_TOP_RELPATH := $(abspath $(TOP))
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endif
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SOONG := $(SOONG_OUT_DIR)/soong
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SOONG_BUILD_NINJA := $(SOONG_OUT_DIR)/build.ninja
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SOONG_VARIABLES := $(SOONG_OUT_DIR)/soong.variables
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SOONG_IN_MAKE := $(SOONG_OUT_DIR)/.soong.in_make
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# Only include the Soong-generated Android.mk if we're merging the
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# Soong-defined binaries with Kati-defined binaries.
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ifeq ($(USE_SOONG),true)
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SOONG_ANDROID_MK := $(SOONG_OUT_DIR)/Android.mk
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endif
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# Bootstrap soong. Run only the first time for clean builds
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$(SOONG):
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$(hide) mkdir -p $(dir $@)
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$(hide) cd $(dir $@) && $(SOONG_TOP_RELPATH)/bootstrap.bash
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# Create soong.variables with copies of makefile settings. Runs every build,
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# but only updates soong.variables if it changes
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SOONG_VARIABLES_TMP := $(SOONG_VARIABLES).$$$$
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$(SOONG_VARIABLES): FORCE
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$(hide) mkdir -p $(dir $@)
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$(hide) (\
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echo '{'; \
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echo ' "Platform_sdk_version": $(PLATFORM_SDK_VERSION),'; \
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echo ' "Unbundled_build": $(if $(TARGET_BUILD_APPS),true,false),'; \
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echo ' "Brillo": $(if $(BRILLO),true,false),'; \
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echo ' "Malloc_not_svelte": $(if $(filter true,$(MALLOC_SVELTE)),false,true),'; \
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echo ' "Allow_missing_dependencies": $(if $(TARGET_BUILD_APPS)$(filter true,$(SOONG_ALLOW_MISSING_DEPENDENCIES)),true,false),'; \
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echo ''; \
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echo ' "DeviceName": "$(TARGET_DEVICE)",'; \
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echo ' "DeviceArch": "$(TARGET_ARCH)",'; \
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echo ' "DeviceArchVariant": "$(TARGET_ARCH_VARIANT)",'; \
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echo ' "DeviceCpuVariant": "$(TARGET_CPU_VARIANT)",'; \
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echo ' "DeviceAbi": ["$(TARGET_CPU_ABI)", "$(TARGET_CPU_ABI2)"],'; \
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echo ' "DeviceUsesClang": $(if $(USE_CLANG_PLATFORM_BUILD),$(USE_CLANG_PLATFORM_BUILD),false),'; \
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echo ''; \
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echo ' "DeviceSecondaryArch": "$(TARGET_2ND_ARCH)",'; \
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echo ' "DeviceSecondaryArchVariant": "$(TARGET_2ND_ARCH_VARIANT)",'; \
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echo ' "DeviceSecondaryCpuVariant": "$(TARGET_2ND_CPU_VARIANT)",'; \
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echo ' "DeviceSecondaryAbi": ["$(TARGET_2ND_CPU_ABI)", "$(TARGET_2ND_CPU_ABI2)"],'; \
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echo ''; \
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echo ' "HostArch": "$(HOST_ARCH)",'; \
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echo ' "HostSecondaryArch": "$(HOST_2ND_ARCH)",'; \
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echo ''; \
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echo ' "CrossHost": "$(HOST_CROSS_OS)",'; \
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echo ' "CrossHostArch": "$(HOST_CROSS_ARCH)",'; \
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echo ' "CrossHostSecondaryArch": "$(HOST_CROSS_2ND_ARCH)"'; \
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echo '}') > $(SOONG_VARIABLES_TMP); \
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if ! cmp -s $(SOONG_VARIABLES_TMP) $(SOONG_VARIABLES); then \
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mv $(SOONG_VARIABLES_TMP) $(SOONG_VARIABLES); \
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else \
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rm $(SOONG_VARIABLES_TMP); \
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fi
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# Tell soong that it is embedded in make
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$(SOONG_IN_MAKE):
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$(hide) mkdir -p $(dir $@)
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$(hide) touch $@
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# Run Soong, this implicitly create an Android.mk listing all soong outputs as
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# prebuilts.
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.PHONY: run_soong
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run_soong: $(SOONG) $(SOONG_VARIABLES) $(SOONG_IN_MAKE) FORCE
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$(hide) $(SOONG) $(SOONG_BUILD_NINJA) $(NINJA_ARGS)
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