RFR JDK-8010267 & JDK-8010268 : Makefile maintenance for test targets

[Mike Duigou]

A two small changes to review:

If approved I will commit to TL (or someone else can commit to build for me)

Mike

JDK-8010267 : Add test-clean for cleaning of testoutput directory from output directory. 

diff --git a/common/makefiles/Main.gmk b/common/makefiles/Main.gmk
--- a/common/makefiles/Main.gmk
+++ b/common/makefiles/Main.gmk
@@ -191,7 +191,7 @@ source-tips: $(OUTPUT_ROOT)/source_tips
 
 
 # Remove everything, except the output from configure.
-clean: clean-langtools clean-corba clean-jaxp clean-jaxws clean-hotspot clean-jdk clean-images clean-overlay-images clean-bootcycle-build clean-docs
+clean: clean-langtools clean-corba clean-jaxp clean-jaxws clean-hotspot clean-jdk clean-images clean-overlay-images clean-bootcycle-build clean-docs clean-test
        @($(CD) $(OUTPUT_ROOT) && $(RM) -r tmp source_tips build.log* build-trace*.log*)
        @$(ECHO) Cleaned all build artifacts.
 
@@ -230,6 +230,8 @@ clean-bootcycle-build:
 clean-docs:
        $(call CleanComponent,docs)
        $(call CleanComponent,docstemp)
+clean-test:
+       $(call CleanComponent,testoutput)
 
 .PHONY: langtools corba jaxp jaxws hotspot jdk images overlay-images install
 .PHONY: langtools-only corba-only jaxp-only jaxws-only hotspot-only jdk-only images-only overlay-images-only install-only


JDK-8010268 : Remove dependence upon clean target from jdk/test/Makefile prep target

None of the current users seem to depend upon the clean behaviour of "prep"

diff --git a/test/Makefile b/test/Makefile
--- a/test/Makefile
+++ b/test/Makefile
@@ -336,7 +336,7 @@ all: jdk_default
        @$(ECHO) "Testing completed successfully"
 
 # Prep for output
-prep: clean
+prep:
        @$(MKDIR) -p $(ABS_TEST_OUTPUT_DIR)
        @$(MKDIR) -p `$(DIRNAME) $(ARCHIVE_BUNDLE)`