8166965: Some small java build tools are still running with big JVM configuration

Reviewed-by: ihse

make/Javadoc.gmk

@@ -1575,7 +1575,7 @@ $(JACCESSAPI_INDEX_HTML): GET2DOCSDIR=$(JACCESSAPI2COREAPI)/..
 $(JACCESSAPI_INDEX_HTML): $(JACCESSAPI_OPTIONS_FILE) $(JACCESSAPI_PACKAGES_FILE) $(COREAPI_INDEX_FILE)
 	$(prep-javadoc)
 	$(call JavadocSummary,$(JACCESSAPI_OPTIONS_FILE),$(JACCESSAPI_PACKAGES_FILE))
-	$(JAVADOC_CMD) -d $(@D) \
+	$(JAVADOC_CMD_SMALL) -d $(@D) \
 	    @$(JACCESSAPI_OPTIONS_FILE) @$(JACCESSAPI_PACKAGES_FILE)
 
 # Create file with javadoc options in it

make/MainSupport.gmk

@@ -137,7 +137,6 @@ MAKE_MAKEDIR_LIST := make
 define DeclareRecipeForModuleMakefile
   ifeq ($$($1_MULTIPLE_MAKEFILES), true)
     $2-$$($1_TARGET_SUFFIX): $2-$$($1_TARGET_SUFFIX)-$$(notdir $3)
-    $1 += $2-$$($1_TARGET_SUFFIX)-$$(notdir $3)
 
     $2-$$($1_TARGET_SUFFIX)-$$(notdir $3):
   else
@@ -173,6 +172,12 @@ define DeclareRecipesForPhaseAndModule
 
   # Only declare recipes if there are makefiles to call
   ifneq ($$($1_$2_TOPDIRS), )
+    # Add the top dir specific target to target list regardless of if recipe
+    # generation is disabled.
+    ifeq ($$($1_MULTIPLE_MAKEFILES), true)
+      $$(foreach d, $$($1_$2_TOPDIRS), \
+        $$(eval $1 += $2-$$($1_TARGET_SUFFIX)-$$(notdir $$d)))
+    endif
     ifeq ($(NO_RECIPES),)
       $$(foreach d, $$($1_$2_TOPDIRS), \
           $$(eval $$(call DeclareRecipeForModuleMakefile,$1,$2,$$d)))

make/common/SetupJavaCompilers.gmk

@@ -38,7 +38,10 @@ JAVAC_WARNINGS := -Xlint:all -Werror
 # and the interim javac, to be run by the boot jdk.
 $(eval $(call SetupJavaCompiler,BOOT_JAVAC, \
     JAVAC := $(JAVAC), \
-    FLAGS := $(BOOT_JDK_SOURCETARGET) -XDignore.symbol.file=true -g \
+    FLAGS := \
+        $(JAVA_TOOL_FLAGS_SMALL) \
+        $(BOOT_JDK_SOURCETARGET) \
+        -XDignore.symbol.file=true -g \
         -Xlint:all$(COMMA)-deprecation$(COMMA)-options -Werror, \
     DISABLE_SJAVAC := true, \
 ))