Rebuild odex files in PDK fusion build.
To rebuild odex files of Java libraries and apps,
we store the jars/apks without stripping the classes.dex inside the
platform.zip. We also save the build variables that may affect how we
rebuild an odex in pdk_dexpreopt_config.mk in the platform.zip.
We store the files and configuration only for libraries/apps that get
installed to the system.img (or vendor.img).
In PDK fusion build, we auto-generate prebuilt module definitions for
the javalib.jar and package.dex.apk carried in the platform.zip, using
configuration stored in pdk_dexpreopt_config.mk.
With the prebult modules, we override the implicit rule that directly
copies the odex from the platform.zip.
To rebuild odex of javalib.jar, we added support for prebuilt shared Java
library to prebiult_internal.mk. An installable prebuilt Java library is
treated as shared Java library, i.e. with classes.dex in the jar instead
of a set of .class files.
For apks in the platform.zip, we install the stripped version from
platform files inside platform.zip, instead of the package.dex.apk,
using a new variable LOCAL_REPLACE_PREBUILT_APK_INSTALLED. We can't
strip package.dex.apk because we can't re-sign the stripped apk at this
point.
We generate prebuilt module only if it's not already defined in the
source tree.
Bug: 27543283
Change-Id: I9e146f8b713d6f57c397fd28d88c9ab700757ca1
diff --git a/core/pdk_fusion_modules.mk b/core/pdk_fusion_modules.mk
new file mode 100644
index 0000000..369ecbb
--- /dev/null
+++ b/core/pdk_fusion_modules.mk
@@ -0,0 +1,75 @@
+# Auto-generate module defitions from platform.zip.
+# We use these rules to rebuild .odex files of the .jar/.apk inside the platform.zip.
+#
+
+pdk_dexpreopt_config_mk := $(TARGET_OUT_INTERMEDIATES)/pdk_dexpreopt_config.mk
+
+$(shell rm -f $(pdk_dexpreopt_config_mk) && mkdir -p $(dir $(pdk_dexpreopt_config_mk)) && \
+ unzip -qo $(PDK_FUSION_PLATFORM_ZIP) -d $(dir $(pdk_dexpreopt_config_mk)) pdk_dexpreopt_config.mk 2>/dev/null)
+
+-include $(pdk_dexpreopt_config_mk)
+
+# Define a PDK prebuilt module that comes from platform.zip.
+# Must be called with $(eval)
+define prebuilt-pdk-java-module
+include $(CLEAR_VARS)
+LOCAL_MODULE:=$(1)
+LOCAL_MODULE_CLASS:=$(2)
+# Use LOCAL_PREBUILT_MODULE_FILE instead of LOCAL_SRC_FILES so we don't need to deal with LOCAL_PATH.
+LOCAL_PREBUILT_MODULE_FILE:=$(3)
+LOCAL_DEX_PREOPT:=$(4)
+LOCAL_MULTILIB:=$(5)
+LOCAL_DEX_PREOPT_FLAGS:=$(6)
+LOCAL_BUILT_MODULE_STEM:=$(7)
+LOCAL_MODULE_SUFFIX:=$(suffix $(7))
+LOCAL_PRIVILEGED_MODULE:=$(8)
+LOCAL_PROPRIETARY_MODULE:=$(9)
+LOCAL_MODULE_TARGET_ARCH:=$(10)
+LOCAL_REPLACE_PREBUILT_APK_INSTALLED:=$(11)
+LOCAL_CERTIFICATE:=PRESIGNED
+include $(BUILD_PREBUILT)
+
+# The source prebuilts are extracted in the rule of _pdk_fusion_stamp.
+# Use a touch rule to establish the dependency.
+$(3) $(11) : $(_pdk_fusion_stamp)
+ $(hide) if [ ! -f $$@ ]; then \
+ echo 'Error: $$@ does not exist. Check your platform.zip.' 1>&2; \
+ exit 1; \
+ fi
+ $(hide) touch $$@
+endef
+
+##### Java libraries.
+# Only set up rules for modules that aren't built from source.
+pdk_prebuilt_libraries := $(foreach l,$(PDK.DEXPREOPT.JAVA_LIBRARIES),\
+ $(if $(MODULE.TARGET.JAVA_LIBRARIES.$(l)),,$(l)))
+
+$(foreach l,$(pdk_prebuilt_libraries), $(eval \
+ $(call prebuilt-pdk-java-module,\
+ $(l),\
+ JAVA_LIBRARIES,\
+ $(_pdk_fusion_intermediates)/$(PDK.DEXPREOPT.$(l).SRC),\
+ $(PDK.DEXPREOPT.$(l).DEX_PREOPT),\
+ $(PDK.DEXPREOPT.$(l).MULTILIB),\
+ $(PDK.DEXPREOPT.$(l).DEX_PREOPT_FLAGS),\
+ javalib.jar,\
+ )))
+
+###### Apps.
+pdk_prebuilt_apps := $(foreach a,$(PDK.DEXPREOPT.APPS),\
+ $(if $(MODULE.TARGET.APPS.$(a)),,$(a)))
+
+$(foreach a,$(pdk_prebuilt_apps), $(eval \
+ $(call prebuilt-pdk-java-module,\
+ $(a),\
+ APPS,\
+ $(_pdk_fusion_intermediates)/$(PDK.DEXPREOPT.$(a).SRC),\
+ $(PDK.DEXPREOPT.$(a).DEX_PREOPT),\
+ $(PDK.DEXPREOPT.$(a).MULTILIB),\
+ $(PDK.DEXPREOPT.$(a).DEX_PREOPT_FLAGS),\
+ package.apk,\
+ $(PDK.DEXPREOPT.$(a).PRIVILEGED_MODULE),\
+ $(PDK.DEXPREOPT.$(a).PROPRIETARY_MODULE),\
+ $(PDK.DEXPREOPT.$(a).TARGET_ARCH),\
+ $(_pdk_fusion_intermediates)/$(PDK.DEXPREOPT.$(a).STRIPPED_SRC),\
+ )))