cc60f01357
My previous attempt at properly handling symlinked OUT_DIRs only worked
if the symlink was to a different directory, not one in the same
directory.
This time, make sure that both make and soong use the same
representation of the output directory by passing BUILDDIR to
bootstrap.bash. Soong has been updated to pick whether to use a relative
or absolute path back to the source tree depending on what makes sense.
If the BUILDDIR or the path back to the source tree change, re-run the
bootstrap.
Also, move the $OUT_DIR/Android.mk and $OUT_DIR/CleanSpec.mk generation
to before Kati runs. In the case that $TOP/out was symlinked to
$TOP/out.angler:
1) Soong generates out.angler/soong/Android.mk
2) Kati's find generator produces in-memory tree of the filesystem
3) $(shell ) creates out.angler/Android.mk
4) The emulated findleaves Android.mk search finds
out.angler/soong/Android.mk since the in-memory tree is never updated.
This doesn't happen in the normal case, because we pass --prune=$OUT_DIR
to findleaves.
Change-Id: Ib0fdae2e80f75ddcf33a3c8c5ea0978f5308b437
80 lines
3.3 KiB
Makefile
80 lines
3.3 KiB
Makefile
SOONG_OUT_DIR := $(OUT_DIR)/soong
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SOONG := $(SOONG_OUT_DIR)/soong
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SOONG_BOOTSTRAP := $(SOONG_OUT_DIR)/.soong.bootstrap
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SOONG_BUILD_NINJA := $(SOONG_OUT_DIR)/build.ninja
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SOONG_IN_MAKE := $(SOONG_OUT_DIR)/.soong.in_make
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SOONG_VARIABLES := $(SOONG_OUT_DIR)/soong.variables
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# Only include the Soong-generated Android.mk if we're merging the
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# Soong-defined binaries with Kati-defined binaries.
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ifeq ($(USE_SOONG),true)
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SOONG_ANDROID_MK := $(SOONG_OUT_DIR)/Android.mk
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endif
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# We need to rebootstrap soong if SOONG_OUT_DIR or the reverse path from
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# SOONG_OUT_DIR to TOP changes
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SOONG_NEEDS_REBOOTSTRAP :=
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ifneq ($(wildcard $(SOONG_BOOTSTRAP)),)
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ifneq ($(SOONG_OUT_DIR),$(strip $(shell source $(SOONG_BOOTSTRAP); echo $$BUILDDIR)))
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SOONG_NEEDS_REBOOTSTRAP := FORCE
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$(warning soong_out_dir changed)
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endif
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ifneq ($(strip $(shell build/soong/reverse_path.py $(SOONG_OUT_DIR))),$(strip $(shell source $(SOONG_BOOTSTRAP); echo $$SRCDIR_FROM_BUILDDIR)))
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SOONG_NEEDS_REBOOTSTRAP := FORCE
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$(warning reverse path changed)
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endif
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endif
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# Bootstrap soong.
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$(SOONG_BOOTSTRAP): bootstrap.bash $(SOONG_NEEDS_REBOOTSTRAP)
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$(hide) mkdir -p $(dir $@)
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$(hide) BUILDDIR=$(SOONG_OUT_DIR) ./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_BOOTSTRAP) $(SOONG_VARIABLES) $(SOONG_IN_MAKE) FORCE
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$(hide) $(SOONG) $(SOONG_BUILD_NINJA) $(NINJA_ARGS)
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