Combine soong builds into make builds
Bootstrap soong if necessary, and wrap the kati and soong ninja files
into a single ninja file.
Change-Id: I0000c7eaa1adda763189681c57ec27a97a12ee1f
diff --git a/core/main.mk b/core/main.mk
index d9ff68e..c29731c 100644
--- a/core/main.mk
+++ b/core/main.mk
@@ -525,6 +525,9 @@
# --mindepth=2 makes the prunes not work.
subdir_makefiles := \
$(shell build/tools/findleaves.py $(FIND_LEAVES_EXCLUDES) $(subdirs) Android.mk)
+ifeq ($(USE_SOONG),true)
+subdir_makefiles := $(SOONG_ANDROID_MK) $(subdir_makefiles)
+endif
$(foreach mk, $(subdir_makefiles), $(info including $(mk) ...)$(eval include $(mk)))
@@ -866,6 +869,9 @@
.PHONY: checkbuild
checkbuild: $(modules_to_check) droid_targets
+ifeq ($(USE_SOONG),true)
+checkbuild: checkbuild-soong
+endif
ifeq (true,$(ANDROID_BUILD_EVERYTHING_BY_DEFAULT))
droid: checkbuild
endif
diff --git a/core/ninja.mk b/core/ninja.mk
index 862ed80..750aae5 100644
--- a/core/ninja.mk
+++ b/core/ninja.mk
@@ -118,21 +118,34 @@
NINJA_MAKEPARALLEL := $(MAKEPARALLEL) --ninja
endif
+ifeq ($(USE_SOONG),true)
+include $(BUILD_SYSTEM)/soong.mk
+
+COMBINED_BUILD_NINJA := $(OUT_DIR)/combined$(KATI_NINJA_SUFFIX).ninja
+
+$(COMBINED_BUILD_NINJA): $(KATI_BUILD_NINJA) $(SOONG_ANDROID_MK)
+ $(hide) echo "builddir = $(OUT_DIR)" > $(COMBINED_BUILD_NINJA)
+ $(hide) echo "subninja $(SOONG_BUILD_NINJA)" >> $(COMBINED_BUILD_NINJA)
+ $(hide) echo "subninja $(KATI_BUILD_NINJA)" >> $(COMBINED_BUILD_NINJA)
+else
+COMBINED_BUILD_NINJA := $(KATI_BUILD_NINJA)
+endif
+
$(sort $(DEFAULT_GOAL) $(ANDROID_GOALS)) : ninja_wrapper
@#empty
.PHONY: ninja_wrapper
-ninja_wrapper: $(KATI_BUILD_NINJA) $(MAKEPARALLEL)
+ninja_wrapper: $(COMBINED_BUILD_NINJA) $(MAKEPARALLEL)
@echo Starting build with ninja
- +$(hide) export NINJA_STATUS="$(NINJA_STATUS)" && source $(KATI_ENV_SH) && $(NINJA_MAKEPARALLEL) $(NINJA) $(NINJA_GOALS) -C $(TOP) -f $(KATI_BUILD_NINJA) $(NINJA_ARGS)
+ +$(hide) export NINJA_STATUS="$(NINJA_STATUS)" && source $(KATI_ENV_SH) && $(NINJA_MAKEPARALLEL) $(NINJA) $(NINJA_GOALS) -C $(TOP) -f $(COMBINED_BUILD_NINJA) $(NINJA_ARGS)
KATI_FIND_EMULATOR := --use_find_emulator
ifeq ($(KATI_EMULATE_FIND),false)
KATI_FIND_EMULATOR :=
endif
-$(KATI_BUILD_NINJA): $(KATI) $(MAKEPARALLEL) FORCE
+$(KATI_BUILD_NINJA): $(KATI) $(MAKEPARALLEL) $(SOONG_ANDROID_MK) FORCE
@echo Running kati to generate build$(KATI_NINJA_SUFFIX).ninja...
- +$(hide) $(KATI_MAKEPARALLEL) $(KATI) --ninja --ninja_dir=$(OUT_DIR) --ninja_suffix=$(KATI_NINJA_SUFFIX) --regen --ignore_dirty=$(OUT_DIR)/% --ignore_optional_include=$(OUT_DIR)/%.P --detect_android_echo $(KATI_FIND_EMULATOR) -f build/core/main.mk $(KATI_GOALS) --gen_all_targets BUILDING_WITH_NINJA=true
+ +$(hide) $(KATI_MAKEPARALLEL) $(KATI) --ninja --ninja_dir=$(OUT_DIR) --ninja_suffix=$(KATI_NINJA_SUFFIX) --regen --ignore_dirty=$(OUT_DIR)/% --no_ignore_dirty=$(SOONG_ANDROID_MK) --ignore_optional_include=$(OUT_DIR)/%.P --detect_android_echo $(KATI_FIND_EMULATOR) -f build/core/main.mk $(KATI_GOALS) --gen_all_targets BUILDING_WITH_NINJA=true SOONG_ANDROID_MK=$(SOONG_ANDROID_MK)
KATI_CXX := $(CLANG_CXX) $(CLANG_HOST_GLOBAL_CFLAGS) $(CLANG_HOST_GLOBAL_CPPFLAGS)
KATI_LD := $(CLANG_CXX) $(CLANG_HOST_GLOBAL_LDFLAGS)
diff --git a/core/soong.mk b/core/soong.mk
new file mode 100644
index 0000000..63ea9a7
--- /dev/null
+++ b/core/soong.mk
@@ -0,0 +1,55 @@
+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 := $(SOONG_OUT_DIR)/soong.variables
+
+ifeq (,$(filter /%,$(SOONG_OUT_DIR)))
+SOONG_TOP_RELPATH := $(shell python -c "import os; print os.path.relpath('$(TOP)', '$(SOONG_OUT_DIR)')")
+else
+SOONG_TOP_RELPATH := $(realpath $(TOP))
+endif
+
+# Bootstrap soong. Run only the first time for clean builds
+$(SOONG):
+ $(hide) mkdir -p $(dir $@)
+ $(hide) cd $(dir $@) && $(SOONG_TOP_RELPATH)/bootstrap.bash
+
+# Create soong.variables with copies of makefile settings. Runs every build,
+# but only updates soong.variables if it changes
+SOONG_VARIABLES_TMP := $(SOONG_VARIABLES).$$$$
+$(SOONG_VARIABLES): FORCE
+ $(hide) mkdir -p $(dir $@)
+ $(hide) (\
+ echo '{'; \
+ echo ' "Device_uses_jemalloc": $(if $(filter dlmalloc,$(MALLOC_IMPL)),false,true),'; \
+ echo ' "Device_uses_dlmalloc": $(if $(filter dlmalloc,$(MALLOC_IMPL)),true,false),'; \
+ echo ' $(if $(BOARD_MALLOC_ALIGNMENT),"Dlmalloc_alignment": $(BOARD_MALLOC_ALIGNMENT)$(comma),)'; \
+ echo ' "Platform_sdk_version": $(PLATFORM_SDK_VERSION),'; \
+ echo ' "Unbundled_build": $(if $(TARGET_BUILD_APPS),true,false),'; \
+ echo ' "Brillo": $(if $(BRILLO),true,false),'; \
+ echo ''; \
+ echo ' "DeviceName": "$(TARGET_DEVICE)",'; \
+ echo ' "DeviceArch": "$(TARGET_ARCH)",'; \
+ echo ' "DeviceArchVariant": "$(TARGET_ARCH_VARIANT)",'; \
+ echo ' "DeviceCpuVariant": "$(TARGET_CPU_VARIANT)",'; \
+ echo ' "DeviceAbi": ["$(TARGET_CPU_ABI)", "$(TARGET_CPU_ABI2)"],'; \
+ echo ' "DeviceUsesClang": $(if $(USE_CLANG_PLATFORM_BUILD),$(USE_CLANG_PLATFORM_BUILD),false),'; \
+ echo ''; \
+ echo ' "DeviceSecondaryArch": "$(TARGET_2ND_ARCH)",'; \
+ echo ' "DeviceSecondaryArchVariant": "$(TARGET_2ND_ARCH_VARIANT)",'; \
+ echo ' "DeviceSecondaryCpuVariant": "$(TARGET_2ND_CPU_VARIANT)",'; \
+ echo ' "DeviceSecondaryAbi": ["$(TARGET_2ND_CPU_ABI)", "$(TARGET_2ND_CPU_ABI2)"],'; \
+ echo ''; \
+ echo ' "HostArch": "$(HOST_ARCH)",'; \
+ echo ' "HostSecondaryArch": "$(HOST_2ND_ARCH)"'; \
+ echo '}') > $(SOONG_VARIABLES_TMP); \
+ if ! cmp -s $(SOONG_VARIABLES_TMP) $(SOONG_VARIABLES); then \
+ mv $(SOONG_VARIABLES_TMP) $(SOONG_VARIABLES); \
+ else \
+ rm $(SOONG_VARIABLES_TMP); \
+ fi
+
+# Build an Android.mk listing all soong outputs as prebuilts
+$(SOONG_ANDROID_MK): $(SOONG) $(SOONG_VARIABLES) FORCE
+ $(hide) $(SOONG) $(SOONG_BUILD_NINJA) $(NINJA_ARGS)
