make/HotspotWrapper.gmk

#
# 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