#+
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# Copyright 1998-2007 Sun Microsystems, Inc.  All Rights Reserved.+
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# DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.+
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#+
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# This code is free software; you can redistribute it and/or modify it+
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# under the terms of the GNU General Public License version 2 only, as+
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# published by the Free Software Foundation.  Sun designates this+
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# particular file as subject to the "Classpath" exception as provided+
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# by Sun in the LICENSE file that accompanied this code.+
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#+
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# This code is distributed in the hope that it will be useful, but WITHOUT+
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# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or+
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# FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License+
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# version 2 for more details (a copy is included in the LICENSE file that+
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# accompanied this code).+
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#+
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# You should have received a copy of the GNU General Public License version+
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# 2 along with this work; if not, write to the Free Software Foundation,+
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# Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.+
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#+
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# Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,+
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# CA 95054 USA or visit www.sun.com if you need additional information or+
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# have any questions.+
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#+
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+
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#+
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# The cscope.out file is made in the current directory and spans the entire+
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# source tree.+
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#+
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# Things to note:+
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#	1. We use relative names for cscope.+
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#	2. We *don't* remove the old cscope.out file, because cscope is smart+
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#	   enough to only build what has changed.  It can be confused, however,+
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#	   if files are renamed or removed, so it may be necessary to manually+
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#	   remove cscope.out if a lot of reorganization has occurred.+
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#+
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CSDIRS	= $(JDK_TOPDIR)/src $(JDK_TOPDIR)/build+
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CSINCS	= $(CSDIRS:%=-I%)+
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+
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#+
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# Set CSFLAGS env variable to -b when using fast cscope to build the fast+
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# (but large) cscope data bases.+
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#+
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CSCOPE	= cscope-fast+
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ifeq ($(CSCOPE), cscope-fast)+
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CSFLAGS	= -b+
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endif+
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+
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#+
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# Adding .java files pushes the file count of a full workspace up about 2500+
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# files, which slows database lookup.  Thus allow these files to be added from+
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# the environment (CSCLASSES=yes).+
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#+
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ifdef	CSCLASSES+
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ADDCLASSES=	-o -name '*.java'+
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endif+
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+
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#+
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# Adding CClassHeaders also pushes the file count of a full workspace up about+
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# 200 files (these files also don't exist in a new workspace, and thus will+
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# cause the recreation of the database as they get created, which might seem+
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# A little confusing).  Thus allow these files to be added from the environment+
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# (CSHEADERS=yes).+
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#+
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ifndef	CSHEADERS+
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RMCCHEADERS=	-o -name CClassHeaders+
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endif+
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+
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+
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.PRECIOUS:	cscope.out+
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+
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cscope.out: cscope.files FRC+
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	$(CSCOPE) $(CSFLAGS)+
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+
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#+
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# What files should we include?  A simple rule might be just those files under+
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# SCM control, however this would miss files we create like the opcodes and+
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# CClassHeaders.  The following attempts to find everything that is *useful*.+
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# (.del files are created by sccsrm, demo directories contain many .java files+
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# that probably aren't useful for development, and the pkgarchive may contain+
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# duplicates of files within the source hierarchy).  The ordering of the .raw+
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# file is an attempt to make cscope display the most relevant files first.+
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#+
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cscope.files: FRC+
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	@-$(RM) cscope.files cscope.files.raw+
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	echo "$(CSINCS)" > cscope.files+
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	-find $(CSDIRS) $(SCM_DIRS_prune) -o -type d \( -name '.del-*' -o \+
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	    -name '*demo' -o -name pkgarchive $(RMCCHEADERS) \) -prune -o \+
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	    -type f \( -name '*.[Ccshlxy]' -o -name '*.il' -o -name '*.cc' -o \+
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	    -name 'Makefile*' -o -name GNUmakefile -o -name '*.gmk' -o \+
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	    -name '*.cpp' $(ADDCLASSES) \) -print > cscope.files.raw+
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	-egrep -v "\.java|\/build\/"	cscope.files.raw >> cscope.files+
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	-fgrep ".java"			cscope.files.raw >> cscope.files+
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	-fgrep "/build/"		cscope.files.raw >> cscope.files+
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	@-$(RM) cscope.files.raw+
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+
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cscope.clean:+
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	-$(RM) cscope.files cscope.files.raw cscope.out+
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+
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FRC:+
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