#
# Makefile
#
# Copyright (C) 1996 Limit Point Systems, Inc.
#
# Author: Curtis Janssen <cljanss@ca.sandia.gov>
# Maintainer: LPS
#
# This file is part of the SC Toolkit.
#
# The SC Toolkit is free software; you can redistribute it and/or modify
# it under the terms of the GNU Library General Public License as published by
# the Free Software Foundation; either version 2, or (at your option)
# any later version.
#
# The SC Toolkit 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 Library General Public License for more details.
#
# You should have received a copy of the GNU Library General Public License
# along with the SC Toolkit; see the file COPYING.LIB.  If not, write to
# the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
#
# The U.S. Government is granted a limited license as per AL 91-7.
#

TOPDIR=../../../..
ifndef SRCDIR
  BUILDING_IN_SRCDIR=yes
  SRCDIR=$(shell pwd)
endif

LOCALMAKEFILE_OPTIONAL = yes
include $(SRCDIR)/$(TOPDIR)/lib/GlobalMakefile

ifeq ($(LOCALMAKEFILE_FOUND),yes)

LD = $(CXX)

CXXSRC = ipv2.cc ipv2_alloc.cc ipv2_cwk.cc ipv2_data.cc ipv2_error.cc \
	 ipv2_karray.cc ipv2_print.cc ipv2_read.cc \
	 keyval.cc keyvalipv2.cc keyvalval.cc keyvalass.cc \
         keyvalstr.cc keyvalagg.cc keyvalpre.cc

GENCXXSRC =ipv2_parse.cc ipv2_scan.cc

TESTPROGS = keyvaltest

LIBOBJ = $(CXXSRC:%.cc=%.$(OBJSUF)) $(GENCXXSRC:%.cc=%.$(OBJSUF))
GENSRC = $(GENCXXSRC)

INC = ipv2.h keyval.h ipv2_scan.h
GENINC = ipv2_parse.h


DEPENDINCLUDE = $(INC) $(GENINC)

BIN_OR_LIB = LIB
TARGET_TO_MAKE = libSCkeyval

DISTFILES = Makefile $(CXXSRC) $(INC) ipv2_parse.yy ipv2_scan.ll LIBS.h

default:: $(DEPENDINCLUDE)

keyvaltest: keyvaltest.$(OBJSUF) libSCkeyval.$(LIBSUF) \
	    libSCcontainer.$(LIBSUF) \
            libSCmisc.$(LIBSUF) libSCgroup.$(LIBSUF) \
            libSCclass.$(LIBSUF) libSCstate.$(LIBSUF) \
            libSCref.$(LIBSUF)
	$(LTLINK) $(LD) $(LDFLAGS) -o keyvaltest $^ $(SYSLIBS) $(LTLINKBINOPTS)

keyvaltest.$(OBJSUF): keyvaltest.cc
	$(LTCOMP) $(CXX) $(CPPFLAGS) $(CXXFLAGS) -DSRCDIR=\"$(SRCDIR)\" -c $<

include $(SRCDIR)/$(TOPDIR)/lib/GlobalRules

distclean::
	/bin/rm -f keyvaltest ipv2_parse.output

$(LIBOBJ:.$(OBJSUF)=.d): $(DEPENDINCLUDE)
OTHEROBJ = keyvaltest.$(OBJSUF)
ifneq ($(DODEPEND),no)
include $(LIBOBJ:.$(OBJSUF)=.d) $(OTHEROBJ:.$(OBJSUF)=.d)
endif

ifneq ($(BUILDING_IN_SRCDIR),yes)
ifeq ($(wildcard ipv2_parse.cc),ipv2_parse.cc)
$(error "ipv2_parse.cc exists in an object directory.  This is now longer necessary or allowed.  Delete the file to continue.")
endif
ifeq ($(wildcard ipv2_scan.cc),ipv2_scan.cc)
$(error "ipv2_scan.cc exists in an object directory.  This is now longer necessary or allowed.  Delete the file to continue.")
endif
ifeq ($(wildcard ipv2_parse.h),ipv2_parse.h)
$(error "ipv2_parse.h exists in an object directory.  This is now longer necessary or allowed.  Delete the file to continue.")
endif
endif

$(SRCDIR)/ipv2_parse.cc: $(SRCDIR)/ipv2_parse.yy
	@echo WARNING: The file $@ is out of date.
	@echo It can be built by running \"make parser DODEPEND=no\" in the source directory.
	@echo You may also get the message on files checked out of CVS, in which case you can touch $@ to stop getting this message.

$(SRCDIR)/ipv2_parse.h: $(SRCDIR)/ipv2_parse.yy
	@echo WARNING: The file $@ is out of date.
	@echo It can be built by running \"make parser DODEPEND=no\" in the source directory.
	@echo You may also get the message on files checked out of CVS, in which case you can touch $@ to stop getting this message.

$(SRCDIR)/ipv2_scan.cc: $(SRCDIR)/ipv2_scan.ll
	@echo WARNING: The file $@ is out of date.
	@echo It can be built by running \"make scanner DODEPEND=no\" in the source directory.
	@echo You may also get the message on files checked out of CVS, in which case you can touch $@ to stop getting this message.

endif

ifndef FLEX
FLEX=flex
endif

ifndef BISON
BISON=bison
endif

notobjdir_default:
	@echo "Building in an unconfigured source directory."
	@echo "The following make targets are available:"
	@echo "  make FLEX=<flex> scanner"
	@echo "  make BISON=<bison> parser"
	@echo "Be sure to replace FlexLexer.h in the include"
	@echo "directory with the correct version."

#### yacc and lex ####
# (only works with bison and flex)
.PHONY: parser
parser::
	$(BISON) -v -d -o ipv2_parse.tmp.cc $^ ipv2_parse.yy
	sed "s/^int yyparse.*;$$//" < ipv2_parse.tmp.cc \
		| sed "s/^YYPARSE_RETURN_TYPE yyparse.*;$$//" \
		| sed "s/__attribute__ ((__unused__))//" \
		> ipv2_parse.cc
	if test -f ipv2_parse.tmp.cc.h; then \
	  echo "Older bison detected."; \
	  /bin/mv ipv2_parse.tmp.cc.h ipv2_parse.h; \
	  /bin/mv ipv2_parse.tmp.cc.output ipv2_parse.output; \
	else \
	  echo "Newer bison detected."; \
	  /bin/mv ipv2_parse.tmp.hh ipv2_parse.h; \
	  /bin/mv ipv2_parse.tmp.output ipv2_parse.output; \
	fi
	-@rm -f ipv2_parse.tmp*

.PHONY: scanner
scanner::
	echo "#ifdef HAVE_CONFIG_H"  > ipv2_scan.cc
	echo "#include <scconfig.h>" >> ipv2_scan.cc
	echo "#endif" >> ipv2_scan.cc
	echo "#include <iostream>" >> ipv2_scan.cc
	echo "#ifdef USING_NAMESPACE_STD" >> ipv2_scan.cc
	echo "using namespace std;" >> ipv2_scan.cc
	echo "#endif" >> ipv2_scan.cc
	$(FLEX) -L -t ipv2_scan.ll | grep -v "extern FILE .yyin" \
	                | grep -v "static int yy_get_next_buffer.*;" \
	                | grep -v "static int yy_get_next_buffer.*;" \
	                | grep -v "class istream;" \
	                | sed "s/static int yy_get_next_buffer/int yy_get_next_buffer/" \
	                | grep -v "static void yyunput.*;" \
	                | sed "s/static void yyunput/void yyunput/" \
	                | grep -v "static int yyinput.*;" \
	                | grep -v "extern.*isatty" \
	                | sed "s/static int yyinput/int yyinput/" \
	                >> ipv2_scan.cc