--- a/make/Main.gmk	Tue Sep 15 11:47:50 2015 -0700
+++ b/make/Main.gmk	Wed Sep 16 09:49:36 2015 +0200
@@ -285,9 +285,12 @@
 	+($(CD) $(JDK_TOPDIR)/make/test && $(MAKE) $(MAKE_ARGS) -f JtregNative.gmk \
 	    test-image-jdk-jtreg-native)
 
+build-test-lib:
+	+($(CD) $(TOPDIR)/make/test && $(MAKE) $(MAKE_ARGS) -f BuildTestLib.gmk)
+
 ALL_TARGETS += prepare-test-image build-test-hotspot-jtreg-native \
     test-image-hotspot-jtreg-native build-test-jdk-jtreg-native \
-    test-image-jdk-jtreg-native
+    test-image-jdk-jtreg-native build-test-lib
 
 ################################################################################
 # Run tests
@@ -553,7 +556,7 @@
 CLEAN_DIRS += hotspot jdk bootcycle-build test buildtools support \
     images make-support test-make bundles
 CLEAN_DIR_TARGETS := $(addprefix clean-, $(CLEAN_DIRS))
-CLEAN_TESTS += hotspot-jtreg-native jdk-jtreg-native
+CLEAN_TESTS += hotspot-jtreg-native jdk-jtreg-native lib
 CLEAN_TEST_TARGETS += $(addprefix clean-test-, $(CLEAN_TESTS))
 CLEAN_PHASES := gensrc java native include docs
 CLEAN_PHASE_TARGETS := $(addprefix clean-, $(CLEAN_PHASES))

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/make/test/BuildTestLib.gmk	Wed Sep 16 09:49:36 2015 +0200
@@ -0,0 +1,67 @@
+#
+# Copyright (c) 2015, Oracle and/or its affiliates. All rights reserved.
+# DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+#
+# This code is free software; you can redistribute it and/or modify it
+# under the terms of the GNU General Public License version 2 only, as
+# published by the Free Software Foundation.  Oracle designates this
+# particular file as subject to the "Classpath" exception as provided
+# by Oracle in the LICENSE file that accompanied this code.
+#
+# This code is distributed in the hope that it will be useful, but WITHOUT
+# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+# FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+# version 2 for more details (a copy is included in the LICENSE file that
+# accompanied this code).
+#
+# You should have received a copy of the GNU General Public License version
+# 2 along with this work; if not, write to the Free Software Foundation,
+# Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+#
+# Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+# or visit www.oracle.com if you need additional information or have any
+# questions.
+#
+
+default: all
+
+include $(SPEC)
+include MakeBase.gmk
+include JavaCompilation.gmk
+include SetupJavaCompilers.gmk
+
+TARGETS :=
+
+TEST_LIB_SOURCE_DIR := $(TOPDIR)/test/lib
+TEST_LIB_SUPPORT := $(SUPPORT_OUTPUTDIR)/test/lib
+
+# Unfortunately, test-lib.jar does not compile properly without warnings.
+$(eval $(call SetupJavaCompiler, BOOT_JAVAC_NOWARNINGS, \
+    JAVAC := $(JAVAC), \
+    FLAGS := -XDignore.symbol.file=true -g, \
+))
+
+$(eval $(call SetupJavaCompilation, BUILD_WB_JAR, \
+    SETUP := BOOT_JAVAC, \
+    SRC := $(TEST_LIB_SOURCE_DIR)/sun, \
+    BIN := $(TEST_LIB_SUPPORT), \
+    JAR := $(TEST_LIB_SUPPORT)/wb.jar, \
+))
+
+TARGETS += $(BUILD_WB_JAR)
+
+# test-lib.jar will contain only hprof classes until JDK-8081381 is resolved
+$(eval $(call SetupJavaCompilation, BUILD_TEST_LIB_JAR, \
+    SETUP := BOOT_JAVAC_NOWARNINGS, \
+    SRC := $(TEST_LIB_SOURCE_DIR)/share/classes/jdk/test/lib/hprof, \
+    BIN := $(TEST_LIB_SUPPORT), \
+    JAR := $(TEST_LIB_SUPPORT)/test-lib.jar, \
+))
+
+TARGETS += $(BUILD_TEST_LIB_JAR)
+
+##########################################################################################
+
+all: $(TARGETS)
+
+.PHONY: default all

--- a/test/lib/Makefile	Tue Sep 15 11:47:50 2015 -0700
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,79 +0,0 @@
-#
-# Copyright (c) 2013, 2015, Oracle and/or its affiliates. All rights reserved.
-# DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
-#
-# This code is free software; you can redistribute it and/or modify it
-# under the terms of the GNU General Public License version 2 only, as
-# published by the Free Software Foundation.
-#
-# This code is distributed in the hope that it will be useful, but WITHOUT
-# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
-# FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
-# version 2 for more details (a copy is included in the LICENSE file that
-# accompanied this code).
-#
-# You should have received a copy of the GNU General Public License version
-# 2 along with this work; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
-#
-# Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
-# or visit www.oracle.com if you need additional information or have any
-# questions.
-#
-
-# Utility Makefile that creates wb.jar, which is used to simplify using 
-# the Whitebox API outside the jtreg-testbase.
-
-ifneq "x$(ALT_BOOTDIR)" "x"
-	BOOTDIR := $(ALT_BOOTDIR)
-endif
-
-ifeq "x$(BOOTDIR)" "x"
-	JDK_HOME := $(shell dirname $(shell which java))/..
-else
-	JDK_HOME := $(BOOTDIR)
-endif
-
-SRC_DIR = ./
-BUILD_DIR = build
-OUTPUT_DIR = $(BUILD_DIR)/classes
-
-JAVAC = $(JDK_HOME)/bin/javac
-JAR = $(JDK_HOME)/bin/jar
-
-WB_SRC_FILES = $(shell find $(SRC_DIR)/sun/hotspot -name '*.java')
-# test-lib.jar will contain only hprof classes until JDK-8081381 is resolved
-SHARE_SRC_FILES = $(shell find $(SRC_DIR)/share/classes/jdk/test/lib/hprof -name '*.java')
-
-.PHONY: wb.filelist share.filelist clean cleantmp
-
-all: wb.jar test-lib.jar cleantmp
-
-wb.jar: wb.filelist
-	@mkdir -p $(OUTPUT_DIR)
-	$(JAVAC) -sourcepath $(SRC_DIR) -d $(OUTPUT_DIR) -cp $(OUTPUT_DIR) @wb.filelist
-	$(JAR) cf wb.jar -C $(OUTPUT_DIR) .
-	@rm -rf $(OUTPUT_DIR)
-
-wb.filelist: $(WB_SRC_FILES)
-	@rm -f $@
-	@echo $(WB_SRC_FILES) > $@
-
-test-lib.jar: share.filelist
-	@mkdir -p $(OUTPUT_DIR)
-	$(JAVAC) -sourcepath $(SRC_DIR) -d $(OUTPUT_DIR) -cp $(OUTPUT_DIR) @share.filelist
-	$(JAR) cf test-lib.jar -C $(OUTPUT_DIR) .
-	@rm -rf $(OUTPUT_DIR)
-
-share.filelist: $(SHARE_SRC_FILES)
-	@rm -f $@
-	@echo $(SHARE_SRC_FILES) > $@
-
-clean: cleantmp
-	@rm -rf wb.jar
-	@rm -rf test-list.jar
-
-cleantmp:
-	@rm -rf wb.filelist
-	@rm -rf share.filelist
-	@rm -rf $(BUILD_DIR)