Use per-app package list to avoid unnecessary dexpreopt.
Similar to aosp/2637193, but for apps defined in Makefile.
Bug: 288218403
Test: m
Test: Change PRODUCT_PACKAGES and see no dexpreopt reruns.
Change-Id: If0ecbb2d210a780c56ea506bb8d3363e1bd91f58
diff --git a/core/dex_preopt_odex_install.mk b/core/dex_preopt_odex_install.mk
index bdd47a8..288f81f 100644
--- a/core/dex_preopt_odex_install.mk
+++ b/core/dex_preopt_odex_install.mk
@@ -152,6 +152,9 @@
$(LOCAL_USES_LIBRARIES) \
$(my_filtered_optional_uses_libraries)
+# The order needs to be deterministic.
+my_dexpreopt_libs_all := $(sort $(my_dexpreopt_libs) $(my_dexpreopt_libs_compat))
+
# Module dexpreopt.config depends on dexpreopt.config files of each
# <uses-library> dependency, because these libraries may be processed after
# the current module by Make (there's no topological order), so the dependency
@@ -442,6 +445,28 @@
@cp $(PRIVATE_BUILT_MODULE) $@
endif
+ # The root "product_packages.txt" is generated by `build/make/core/Makefile`. It contains a list
+ # of all packages that are installed on the device. We use `grep` to filter the list by the app's
+ # dependencies to create a per-app list, and use `rsync --checksum` to prevent the file's mtime
+ # from being changed if the contents don't change. This avoids unnecessary dexpreopt reruns.
+ my_dexpreopt_product_packages := $(intermediates)/product_packages.txt
+ .KATI_RESTAT: $(my_dexpreopt_product_packages)
+ $(my_dexpreopt_product_packages): PRIVATE_MODULE := $(LOCAL_MODULE)
+ $(my_dexpreopt_product_packages): PRIVATE_LIBS := $(my_dexpreopt_libs_all)
+ $(my_dexpreopt_product_packages): PRIVATE_STAGING := $(my_dexpreopt_product_packages).tmp
+ $(my_dexpreopt_product_packages): $(PRODUCT_OUT)/product_packages.txt
+ @echo "$(PRIVATE_MODULE) dexpreopt product_packages"
+ ifneq (,$(my_dexpreopt_libs_all))
+ grep -F -x \
+ $(addprefix -e ,$(PRIVATE_LIBS)) \
+ $(PRODUCT_OUT)/product_packages.txt \
+ > $(PRIVATE_STAGING) \
+ || true
+ else
+ rm -f $(PRIVATE_STAGING) && touch $(PRIVATE_STAGING)
+ endif
+ rsync --checksum $(PRIVATE_STAGING) $@
+
my_dexpreopt_script := $(intermediates)/dexpreopt.sh
my_dexpreopt_zip := $(intermediates)/dexpreopt.zip
DEXPREOPT.$(LOCAL_MODULE).POST_INSTALLED_DEXPREOPT_ZIP := $(my_dexpreopt_zip)
@@ -450,9 +475,10 @@
$(my_dexpreopt_script): PRIVATE_GLOBAL_SOONG_CONFIG := $(DEX_PREOPT_SOONG_CONFIG_FOR_MAKE)
$(my_dexpreopt_script): PRIVATE_GLOBAL_CONFIG := $(DEX_PREOPT_CONFIG_FOR_MAKE)
$(my_dexpreopt_script): PRIVATE_MODULE_CONFIG := $(my_dexpreopt_config)
+ $(my_dexpreopt_script): PRIVATE_PRODUCT_PACKAGES := $(my_dexpreopt_product_packages)
$(my_dexpreopt_script): $(DEXPREOPT_GEN)
$(my_dexpreopt_script): $(my_dexpreopt_jar_copy)
- $(my_dexpreopt_script): $(my_dexpreopt_config) $(DEX_PREOPT_SOONG_CONFIG_FOR_MAKE) $(DEX_PREOPT_CONFIG_FOR_MAKE)
+ $(my_dexpreopt_script): $(my_dexpreopt_config) $(DEX_PREOPT_SOONG_CONFIG_FOR_MAKE) $(DEX_PREOPT_CONFIG_FOR_MAKE) $(my_dexpreopt_product_packages)
@echo "$(PRIVATE_MODULE) dexpreopt gen"
$(DEXPREOPT_GEN) \
-global_soong $(PRIVATE_GLOBAL_SOONG_CONFIG) \
@@ -460,12 +486,12 @@
-module $(PRIVATE_MODULE_CONFIG) \
-dexpreopt_script $@ \
-out_dir $(OUT_DIR) \
- -product_packages $(PRODUCT_OUT)/product_packages.txt
+ -product_packages $(PRIVATE_PRODUCT_PACKAGES)
my_dexpreopt_deps := $(my_dex_jar)
my_dexpreopt_deps += $(if $(my_process_profile),$(LOCAL_DEX_PREOPT_PROFILE))
my_dexpreopt_deps += \
- $(foreach lib, $(my_dexpreopt_libs) $(my_dexpreopt_libs_compat), \
+ $(foreach lib, $(my_dexpreopt_libs_all), \
$(call intermediates-dir-for,JAVA_LIBRARIES,$(lib),,COMMON)/javalib.jar)
my_dexpreopt_deps += $(my_dexpreopt_images_deps)
my_dexpreopt_deps += $(DEXPREOPT_BOOTCLASSPATH_DEX_FILES)
@@ -501,8 +527,11 @@
$(my_all_targets): $(my_dexpreopt_zip)
my_dexpreopt_config :=
+ my_dexpreopt_product_packages :=
my_dexpreopt_script :=
my_dexpreopt_zip :=
my_dexpreopt_config_for_postprocessing :=
endif # LOCAL_DEX_PREOPT
endif # my_create_dexpreopt_config
+
+my_dexpreopt_libs_all :=