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Minimize redundant recursion -- target "all" should not depend on
targets "headers" or "exports" except at top level.

#!gmake
#
# Makefile for lib/libcas
#
# Copyright (c) 2000 Silicon Graphics, Inc.  All Rights Reserved.
# 
# This program is free software; you can redistribute it and/or modify
# it under the terms of version 2.1 of the GNU Lesser General Public
# License as published by the Free Software Foundation.
# 
# This program is distributed in the hope that it would be useful, but
# WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
# 
# Further, this software is distributed without any warranty that it is
# free of the rightful claim of any third person regarding infringement
# or the like.  Any license provided herein, whether implied or
# otherwise, applies only to this software file.  Patent licenses, if
# any, provided herein do not apply to combinations of this program with
# other software, or any other product whatsoever.
# 
# You should have received a copy of the GNU Lesser General Public
# License along with this program; if not, write the Free Software
# Foundation, Inc., 59 Temple Place - Suite 330, Boston MA 02111-1307,
# USA.
# 
# Contact information: Silicon Graphics, Inc., 1600 Amphitheatre Pkwy,
# Mountain View, CA 94043, or:
# 
# http://www.sgi.com 
# 
# For further information regarding this notice, see: 
# 
# http://oss.sgi.com/projects/GenInfo/NoticeExplan

#
# Every Makefile must define TOPDIR to be the path to the top of
# the ISM. In this case the top is one directory up. The ismdefs file
# must then be included.
#

TOPDIR = ../..
include $(TOPDIR)/include/builddefs


# ***** Do I need this section?? *****
#
# A Makefile that must descend into subdirectories and do local
# operations effectively needs two sets of the standard targets.
# For example, it needs an 'install' that descends into the subdirectories
# to do installs there and a local install target for doing the install
# at this level. To accomplish this we define NEED_LOCAL_TARGETS, which
# tells the build environment that we need an additional (i.e. local)
# set of the standard targets. This additional set of targets has
# the standard target names with the prefix $(LOCALPREF).
#
#NEED_LOCAL_TARGETS = 1

#
# All subdirectories that need to be built
#
SUBDIRS = \
	src	\
	inc	\
	$(NULL)


all:
	$(NOOP)

#
# These are the standard targets.
#
exports headers $(COMMONTARGS):
	$(SUBDIRS_MAKERULE)

#
# Always include $(BUILDRULES) after at least one target is defined.
#
include $(BUILDRULES)

# ***** Do I need this section?? *****
#
# These are the local versions of the standard targets. Each one must
# be prefixed with $(LOCALPREF). In this case we are only doing a local
# install. If we needed to do biuld an executable, we would define
# $(TARGETS) and $(LOCALPREF)all would depend on it following the same
# methodology as a Makefile that only builds an executable.
#
# TARGETS	+= llib-lcas.ln
#
#$(LOCALPREF)all: $(TARGETS)