Merge "Handle out being a symlink"

SOONG_OUT_DIR := $(OUT_DIR)/soong

SOONG := $(SOONG_OUT_DIR)/soong

SOONG_BUILD_NINJA := $(SOONG_OUT_DIR)/build.ninja

SOONG_ANDROID_MK := $(SOONG_OUT_DIR)/Android.mk

SOONG_VARIABLES := $(SOONG_OUT_DIR)/soong.variables

SOONG_IN_MAKE := $(SOONG_OUT_DIR)/.soong.in_make

# This needs to exist before the realpath checks below

$(shell mkdir -p $(SOONG_OUT_DIR))

ifeq (,$(filter /%,$(SOONG_OUT_DIR)))

SOONG_TOP_RELPATH := $(shell python -c "import os; print os.path.relpath('$(TOP)', '$(SOONG_OUT_DIR)')")

# Protect against out being a symlink and relative paths not working

ifneq ($(realpath $(SOONG_OUT_DIR)/$(SOONG_TOP_RELPATH)),$(realpath $(TOP)))

SOONG_OUT_DIR := $(abspath $(SOONG_OUT_DIR))

SOONG_TOP_RELPATH := $(abspath $(TOP))

endif

else

SOONG_TOP_RELPATH := $(realpath $(TOP))

SOONG_TOP_RELPATH := $(abspath $(TOP))

endif

SOONG := $(SOONG_OUT_DIR)/soong

SOONG_BUILD_NINJA := $(SOONG_OUT_DIR)/build.ninja

SOONG_ANDROID_MK := $(SOONG_OUT_DIR)/Android.mk

SOONG_VARIABLES := $(SOONG_OUT_DIR)/soong.variables

SOONG_IN_MAKE := $(SOONG_OUT_DIR)/.soong.in_make

# Bootstrap soong.  Run only the first time for clean builds

$(SOONG):

	$(hide) mkdir -p $(dir $@)