Makefile revision 543:9729f9862eb4 
1#
2# Copyright (c) 2012, Oracle and/or its affiliates. All rights reserved.
3# DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4#
5# This code is free software; you can redistribute it and/or modify it
6# under the terms of the GNU General Public License version 2 only, as
7# published by the Free Software Foundation.  Oracle designates this
8# particular file as subject to the "Classpath" exception as provided
9# by Oracle in the LICENSE file that accompanied this code.
10#
11# This code is distributed in the hope that it will be useful, but WITHOUT
12# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13# FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
14# version 2 for more details (a copy is included in the LICENSE file that
15# accompanied this code).
16#
17# You should have received a copy of the GNU General Public License version
18# 2 along with this work; if not, write to the Free Software Foundation,
19# Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
20#
21# Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
22# or visit www.oracle.com if you need additional information or have any
23# questions.
24#
25
26# Locate this Makefile
27ifeq ($(filter /%, $(lastword $(MAKEFILE_LIST))), )
28  makefile_path := $(CURDIR)/$(lastword $(MAKEFILE_LIST))
29else
30  makefile_path := $(lastword $(MAKEFILE_LIST))
31endif
32repo_dir := $(patsubst %/make/Makefile, %, $(makefile_path))
33
34# What is the name of this subsystem (langtools, corba, etc)?
35subsystem_name := $(notdir $(repo_dir))
36
37# Try to locate top-level makefile
38top_level_makefile := $(repo_dir)/../Makefile
39ifneq ($(wildcard $(top_level_makefile)), )
40  $(info Will run $(subsystem_name) target on top-level Makefile)
41  $(info WARNING: This is a non-recommended way of building!)
42  $(info ===================================================)
43else
44  $(info Cannot locate top-level Makefile. Is this repo not checked out as part of a complete forest?)
45  $(error Build from top-level Makefile instead)
46endif
47
48all:
49	@$(MAKE) -f $(top_level_makefile) $(subsystem_name)
50