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[android-x86/build.git] / core / soong.mk
1 SOONG_OUT_DIR := $(OUT_DIR)/soong
2 SOONG_HOST_EXECUTABLES := $(SOONG_OUT_DIR)/host/$(HOST_PREBUILT_TAG)/bin
3 KATI := $(SOONG_HOST_EXECUTABLES)/ckati
4 MAKEPARALLEL := $(SOONG_HOST_EXECUTABLES)/makeparallel
5
6 SOONG := $(SOONG_OUT_DIR)/soong
7 SOONG_BOOTSTRAP := $(SOONG_OUT_DIR)/.soong.bootstrap
8 SOONG_BUILD_NINJA := $(SOONG_OUT_DIR)/build.ninja
9 SOONG_ANDROID_MK := $(SOONG_OUT_DIR)/Android.mk
10 SOONG_IN_MAKE := $(SOONG_OUT_DIR)/.soong.in_make
11 SOONG_VARIABLES := $(SOONG_OUT_DIR)/soong.variables
12
13 # We need to rebootstrap soong if SOONG_OUT_DIR or the reverse path from
14 # SOONG_OUT_DIR to TOP changes
15 SOONG_NEEDS_REBOOTSTRAP :=
16 ifneq ($(wildcard $(SOONG_BOOTSTRAP)),)
17   ifneq ($(SOONG_OUT_DIR),$(strip $(shell source $(SOONG_BOOTSTRAP); echo $$BUILDDIR)))
18     SOONG_NEEDS_REBOOTSTRAP := FORCE
19     $(warning soong_out_dir changed)
20   endif
21   ifneq ($(strip $(shell build/soong/reverse_path.py $(SOONG_OUT_DIR))),$(strip $(shell source $(SOONG_BOOTSTRAP); echo $$SRCDIR_FROM_BUILDDIR)))
22     SOONG_NEEDS_REBOOTSTRAP := FORCE
23     $(warning reverse path changed)
24   endif
25 endif
26
27 # Bootstrap soong.
28 $(SOONG_BOOTSTRAP): bootstrap.bash $(SOONG_NEEDS_REBOOTSTRAP)
29         $(hide) mkdir -p $(dir $@)
30         $(hide) BUILDDIR=$(SOONG_OUT_DIR) ./bootstrap.bash
31
32 # Create soong.variables with copies of makefile settings.  Runs every build,
33 # but only updates soong.variables if it changes
34 SOONG_VARIABLES_TMP := $(SOONG_VARIABLES).$$$$
35 $(SOONG_VARIABLES): FORCE
36         $(hide) mkdir -p $(dir $@)
37         $(hide) (\
38         echo '{'; \
39         echo '    "Device_uses_jemalloc": $(if $(filter true,$(MALLOC_SVELTE)),false,true),'; \
40         echo '    "Device_uses_dlmalloc": $(if $(filter true,$(MALLOC_SVELTE)),true,false),'; \
41         echo '    "Platform_sdk_version": $(PLATFORM_SDK_VERSION),'; \
42         echo '    "Unbundled_build": $(if $(TARGET_BUILD_APPS),true,false),'; \
43         echo '    "Brillo": $(if $(BRILLO),true,false),'; \
44         echo ''; \
45         echo '    "DeviceName": "$(TARGET_DEVICE)",'; \
46         echo '    "DeviceArch": "$(TARGET_ARCH)",'; \
47         echo '    "DeviceArchVariant": "$(TARGET_ARCH_VARIANT)",'; \
48         echo '    "DeviceCpuVariant": "$(TARGET_CPU_VARIANT)",'; \
49         echo '    "DeviceAbi": ["$(TARGET_CPU_ABI)", "$(TARGET_CPU_ABI2)"],'; \
50         echo '    "DeviceUsesClang": $(if $(USE_CLANG_PLATFORM_BUILD),$(USE_CLANG_PLATFORM_BUILD),false),'; \
51         echo ''; \
52         echo '    "DeviceSecondaryArch": "$(TARGET_2ND_ARCH)",'; \
53         echo '    "DeviceSecondaryArchVariant": "$(TARGET_2ND_ARCH_VARIANT)",'; \
54         echo '    "DeviceSecondaryCpuVariant": "$(TARGET_2ND_CPU_VARIANT)",'; \
55         echo '    "DeviceSecondaryAbi": ["$(TARGET_2ND_CPU_ABI)", "$(TARGET_2ND_CPU_ABI2)"],'; \
56         echo ''; \
57         echo '    "HostArch": "$(HOST_ARCH)",'; \
58         echo '    "HostSecondaryArch": "$(HOST_2ND_ARCH)",'; \
59         echo ''; \
60         echo '    "CrossHost": "$(HOST_CROSS_OS)",'; \
61         echo '    "CrossHostArch": "$(HOST_CROSS_ARCH)",'; \
62         echo '    "CrossHostSecondaryArch": "$(HOST_CROSS_2ND_ARCH)"'; \
63         echo '}') > $(SOONG_VARIABLES_TMP); \
64         if ! cmp -s $(SOONG_VARIABLES_TMP) $(SOONG_VARIABLES); then \
65           mv $(SOONG_VARIABLES_TMP) $(SOONG_VARIABLES); \
66         else \
67           rm $(SOONG_VARIABLES_TMP); \
68         fi
69
70 # Tell soong that it is embedded in make
71 $(SOONG_IN_MAKE):
72         $(hide) mkdir -p $(dir $@)
73         $(hide) touch $@
74
75 # Build an Android.mk listing all soong outputs as prebuilts
76 $(SOONG_ANDROID_MK): $(SOONG_BOOTSTRAP) $(SOONG_VARIABLES) $(SOONG_IN_MAKE) FORCE
77         $(hide) $(SOONG) $(KATI) $(MAKEPARALLEL) $(NINJA_ARGS)
78
79 $(KATI): $(SOONG_ANDROID_MK)
80 $(MAKEPARALLEL): $(SOONG_ANDROID_MK)