#+
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# Copyright (c) 2000, 2008, Oracle and/or its affiliates. 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.+
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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 Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA+
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# or visit www.oracle.com if you need additional information or have any+
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# questions.+
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#  +
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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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+
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include $(GAMMADIR)/make/scm.make+
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+
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NAWK	= /usr/xpg4/bin/awk+
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RM	= rm -f+
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HG	= hg+
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CS_TOP	= ../..+
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+
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CSDIRS	= $(CS_TOP)/src $(CS_TOP)/make+
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CSINCS	= $(CSDIRS:%=-I%)+
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+
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CSCOPE		= cscope+
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CSCOPE_FLAGS	= -b+
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+
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# Allow .java files to be added from the environment (CSCLASSES=yes).+
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ifdef	CSCLASSES+
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ADDCLASSES=	-o -name '*.java'+
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endif+
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+
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# Adding CClassHeaders also pushes the file count of a full workspace up about+
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# 200 files (these files also don't exist in a new workspace, and thus will+
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# cause the recreation of the database as they get created, which might seem+
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# a little confusing).  Thus allow these files to be added from the environment+
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# (CSHEADERS=yes).+
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ifndef	CSHEADERS+
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RMCCHEADERS=	-o -name CClassHeaders+
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endif+
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+
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# Use CS_GENERATED=x to include auto-generated files in the make directories.+
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ifdef	CS_GENERATED+
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CS_ADD_GENERATED	= -o -name '*.incl'+
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else+
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CS_PRUNE_GENERATED	= -o -name '${OS}_*_core' -o -name '${OS}_*_compiler?'+
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endif+
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+
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# OS-specific files for other systems are excluded by default.  Use CS_OS=yes+
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# to include platform-specific files for other platforms.+
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ifndef	CS_OS+
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CS_OS		= linux macos solaris win32+
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CS_PRUNE_OS	= $(patsubst %,-o -name '*%*',$(filter-out ${OS},${CS_OS}))+
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endif+
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+
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# Processor-specific files for other processors are excluded by default.  Use+
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# CS_CPU=x to include platform-specific files for other platforms.+
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ifndef	CS_CPU+
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CS_CPU		= i486 sparc amd64 ia64+
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CS_PRUNE_CPU	= $(patsubst %,-o -name '*%*',$(filter-out ${SRCARCH},${CS_CPU}))+
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endif+
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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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# SCCS 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).+
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+
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# Directories to exclude.+
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CS_PRUNE_STD	= $(SCM_DIRS) \+
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		  -o -name '.del-*' \+
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		  -o -name '*demo' \+
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		  -o -name pkgarchive+
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+
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CS_PRUNE	= $(CS_PRUNE_STD) \+
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		  $(CS_PRUNE_OS) \+
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		  $(CS_PRUNE_CPU) \+
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		  $(CS_PRUNE_GENERATED) \+
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		  $(RMCCHEADERS)+
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+
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# File names to include.+
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CSFILENAMES	= -name '*.[ch]pp' \+
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		  -o -name '*.[Ccshlxy]' \+
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		  $(CS_ADD_GENERATED) \+
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		  -o -name '*.d' \+
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		  -o -name '*.il' \+
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		  -o -name '*.cc' \+
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		  -o -name '*[Mm]akefile*' \+
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		  -o -name '*.gmk' \+
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		  -o -name '*.make' \+
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		  -o -name '*.ad' \+
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		  $(ADDCLASSES)+
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+
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.PRECIOUS:	cscope.out+
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+
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cscope cscope.out: cscope.files FORCE+
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	$(CSCOPE) $(CSCOPE_FLAGS)+
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+
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# The .raw file is reordered here in an attempt to make cscope display the most+
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# relevant files first.+
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cscope.files: .cscope.files.raw+
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	echo "$(CSINCS)" > $@+
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	-egrep -v "\.java|\/make\/"	$< >> $@+
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	-fgrep ".java"			$< >> $@+
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	-fgrep "/make/"		$< >> $@+
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+
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.cscope.files.raw:  .nametable.files+
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	-find $(CSDIRS) -type d \( $(CS_PRUNE) \) -prune -o \+
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	    -type f \( $(CSFILENAMES) \) -print > $@+
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+
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cscope.clean:  nametable.clean+
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	-$(RM) cscope.out cscope.files .cscope.files.raw+
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+
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TAGS:  cscope.files FORCE+
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	egrep -v '^-|^$$' $< | etags --members -+
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+
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TAGS.clean:  nametable.clean+
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	-$(RM) TAGS+
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+
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# .nametable.files and .nametable.files.tmp are used to determine if any files+
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# were added to/deleted from/renamed in the workspace.  If not, then there's+
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# normally no need to rebuild the cscope database. To force a rebuild of+
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# the cscope database: gmake nametable.clean.+
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.nametable.files:  .nametable.files.tmp+
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	( cmp -s $@ $< ) || ( cp $< $@ )+
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	-$(RM) $<+
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+
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# `hg status' is slightly faster than `hg fstatus'. Both are+
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# quite a bit slower on an NFS mounted file system, so this is+
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# really geared towards repos on local file systems.+
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.nametable.files.tmp:+
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	-$(HG) fstatus -acmn > $@+
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+
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nametable.clean:+
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	-$(RM) .nametable.files .nametable.files.tmp+
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+
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FORCE:+
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+
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.PHONY:		cscope cscope.clean TAGS.clean nametable.clean FORCE+
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