--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/make/HotspotWrapper.gmk	Thu Nov 14 10:53:23 2013 +0100
@@ -0,0 +1,52 @@
+#
+# Copyright (c) 2011, 2012, 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.
+#
+
+# Include the legacy hotspot-spec.gmk (which in turns includes spec.gmk)
+BASE_SPEC:=$(SPEC)
+include $(dir $(SPEC))hotspot-spec.gmk
+include MakeBase.gmk
+
+# Inclusion of this pseudo-target will cause make to execute this file
+# serially, regardless of -j. Recursively called makefiles will not be
+# affected, however. This is required for correct dependency management.
+.NOTPARALLEL:
+
+default: all
+
+# Get all files except .hg in the hotspot directory.
+HOTSPOT_FILES := $(shell $(FIND) -L $(HOTSPOT_TOPDIR) -name ".hg" -prune -o -print)
+
+# The old build creates hotspot output dir before calling hotspot and
+# not doing it breaks builds on msys.
+$(HOTSPOT_OUTPUTDIR)/_hotspot.timestamp: $(HOTSPOT_FILES)
+	@$(MKDIR) -p $(HOTSPOT_OUTPUTDIR)
+	@($(CD) $(HOTSPOT_TOPDIR)/make && $(MAKE) -j1 $(HOTSPOT_MAKE_ARGS) SPEC=$(HOTSPOT_SPEC) BASE_SPEC=$(BASE_SPEC))
+	$(TOUCH) $@
+
+hotspot: $(HOTSPOT_OUTPUTDIR)/_hotspot.timestamp
+
+all: hotspot
+
+.PHONY: default all hotspot