Remove sharding support from make

Sharding is not used in make any more, the large java modules
(libcore and framework) have moved to Soong.  Keeping sharding
support complicates java compiling, so remove it.

Bug: 73885582
Test: m checkbuild
Change-Id: I2932f9e96bfc8f2ebf82095b16d6c0b3c51613f0
diff --git a/core/java.mk b/core/java.mk
index dc20444..58416f8 100644
--- a/core/java.mk
+++ b/core/java.mk
@@ -327,34 +327,6 @@
 java_intermediate_sources := $(addprefix $(TARGET_OUT_COMMON_INTERMEDIATES)/, $(filter %.java,$(LOCAL_INTERMEDIATE_SOURCES)))
 all_java_sources := $(java_sources) $(java_intermediate_sources)
 
-enable_sharding :=
-ifneq ($(TURBINE_ENABLED),false)
-ifneq ($(LOCAL_JAVAC_SHARD_SIZE),)
-ifneq ($(LOCAL_JAR_PROCESSOR),)
-$(call pretty-error,Cannot set both LOCAL_JAVAC_SHARD_SIZE and LOCAL_JAR_PROCESSOR!)
-endif # LOCAL_JAR_PROCESSOR is not empty
-enable_sharding := true
-
-num_shards := $(call int_divide,$(words $(java_sources)),$(LOCAL_JAVAC_SHARD_SIZE))
-ifneq ($(words $(java_sources)),$(call int_multiply,$(LOCAL_JAVAC_SHARD_SIZE),$(num_shards)))
-# increment number of shards by 1.
-num_shards := $(call int_plus,$(num_shards),1)
-endif
-
-shard_idx_list := $(call int_range_list,1,$(num_shards))
-sharded_java_source_list_files += $(foreach x,$(shard_idx_list),$(java_source_list_file).shard.$(x))
-sharded_jar_list += $(foreach x,$(shard_idx_list),$(full_classes_compiled_jar).shard.$(x))
-
-# always put dynamically-located .java files (generated by Proto/resource, etc) in a new final shard.
-# increment number of shards by 1.
-num_shards := $(call int_plus,$(num_shards),1)
-sharded_java_source_list_files += $(java_source_list_file).shard.$(num_shards)
-sharded_jar_list += $(full_classes_compiled_jar).shard.$(num_shards)
-LOCAL_INTERMEDIATE_TARGETS += $(sharded_java_source_list_files)
-LOCAL_INTERMEDIATE_TARGETS += $(sharded_jar_list)
-endif # LOCAL_JAVAC_SHARD_SIZE is not empty
-endif # TURBINE_ENABLED != false
-
 include $(BUILD_SYSTEM)/java_common.mk
 
 include $(BUILD_SYSTEM)/sdk_check.mk
@@ -435,48 +407,6 @@
 $(java_source_list_file): $(java_sources_deps)
 	$(write-java-source-list)
 
-ifdef enable_sharding
-$(foreach x,$(shard_idx_list),\
-  $(eval $(call save-sharded-java-source-list,$(x),\
-    $(wordlist $(call int_plus,1,$(call int_multiply,$(LOCAL_JAVAC_SHARD_SIZE),$(call int_subtract,$(x),1))),\
-      $(call int_multiply,$(LOCAL_JAVAC_SHARD_SIZE),$(x)),$(sort $(java_sources))))))
-
-# always put dynamically-located .java files (generated by Proto/resource, etc) in a new final shard.
-$(java_source_list_file).shard.$(num_shards): PRIVATE_JAVA_INTERMEDIATE_SOURCES := $(java_intermediate_sources)
-$(java_source_list_file).shard.$(num_shards): $(java_resource_sources) \
-    $(RenderScript_file_stamp) \
-    $(proto_java_sources_file_stamp) \
-    $(LOCAL_ADDITIONAL_DEPENDENCIES) \
-    $(NORMALIZE_PATH)
-	$(hide) rm -f $@
-	$(call dump-words-to-file,$(PRIVATE_JAVA_INTERMEDIATE_SOURCES),$@.tmp)
-	$(call fetch-additional-java-source,$@.tmp)
-	$(hide) tr ' ' '\n' < $@.tmp | $(NORMALIZE_PATH) | sort -u > $@
-
-# Javac sharding with header libs including its own header jar as one of dependency.
-$(foreach x,$(shard_idx_list),\
-  $(eval $(call create-classes-full-debug.jar,$(full_classes_compiled_jar).shard.$(x),\
-    $(java_source_list_file).shard.$(x),\
-      $(full_java_header_libs) $(full_classes_header_jar),$(x),\
-        $(wordlist $(call int_plus,1,$(call int_multiply,$(LOCAL_JAVAC_SHARD_SIZE),$(call int_subtract,$(x),1))),\
-          $(call int_multiply,$(LOCAL_JAVAC_SHARD_SIZE),$(x)),$(sort $(java_sources))))))
-
-# Javac sharding for last shard with additional Java dependencies.
-$(eval $(call create-classes-full-debug.jar,$(full_classes_compiled_jar).shard.$(num_shards),\
-  $(java_source_list_file).shard.$(num_shards),$(full_java_header_libs) $(full_classes_header_jar),$(strip \
-    $(num_shards)),$$(java_resource_sources) $$(RenderScript_file_stamp) \
-      $$(proto_java_sources_file_stamp) $$(LOCAL_ADDITIONAL_DEPENDENCIES)))
-
-$(full_classes_compiled_jar): PRIVATE_SHARDED_JAR_LIST := $(sharded_jar_list)
-$(full_classes_compiled_jar): $(sharded_jar_list) | $(MERGE_ZIPS)
-	$(MERGE_ZIPS) -j $@ $(PRIVATE_SHARDED_JAR_LIST)
-else
-# we can't use single $ for java_sources_deps since it may contain hash '#' sign.
-$(eval $(call create-classes-full-debug.jar,$(full_classes_compiled_jar),\
-  $(java_source_list_file),$(full_java_header_libs),,$$(java_sources_deps)))
-
-endif # ifdef enable_sharding
-
 ifneq ($(TURBINE_ENABLED),false)
 
 $(full_classes_turbine_jar): PRIVATE_JAVACFLAGS := $(LOCAL_JAVACFLAGS) $(annotation_processor_flags)
@@ -510,6 +440,27 @@
 
 endif # TURBINE_ENABLED != false
 
+$(full_classes_compiled_jar): PRIVATE_JAVACFLAGS := $(LOCAL_JAVACFLAGS) $(annotation_processor_flags)
+$(full_classes_compiled_jar): PRIVATE_JAR_EXCLUDE_FILES := $(LOCAL_JAR_EXCLUDE_FILES)
+$(full_classes_compiled_jar): PRIVATE_JAR_PACKAGES := $(LOCAL_JAR_PACKAGES)
+$(full_classes_compiled_jar): PRIVATE_JAR_EXCLUDE_PACKAGES := $(LOCAL_JAR_EXCLUDE_PACKAGES)
+$(full_classes_compiled_jar): PRIVATE_DONT_DELETE_JAR_META_INF := $(LOCAL_DONT_DELETE_JAR_META_INF)
+$(full_classes_compiled_jar): PRIVATE_JAVA_SOURCE_LIST := $(java_source_list_file)
+$(full_classes_compiled_jar): PRIVATE_ALL_JAVA_HEADER_LIBRARIES := $(full_java_header_libs)
+$(full_classes_compiled_jar): \
+    $(java_source_list_file) \
+    $(full_java_header_libs) \
+    $(java_sources_deps) \
+    $(full_java_bootclasspath_libs) \
+    $(full_java_system_modules_deps) \
+    $(layers_file) \
+    $(annotation_processor_deps) \
+    $(NORMALIZE_PATH) \
+    $(JAR_ARGS) \
+    | $(SOONG_JAVAC_WRAPPER)
+	@echo "Target Java: $@
+	$(call compile-java,$(TARGET_JAVAC),$(PRIVATE_ALL_JAVA_HEADER_LIBRARIES))
+
 javac-check : $(full_classes_compiled_jar)
 javac-check-$(LOCAL_MODULE) : $(full_classes_compiled_jar)