#	This Makefile is for the cextract/cextdoc program.  If
#	you should experience any problems please send mail to:
#			adb@bu.edu

#	shell used by make [some make versions need this]
SHELL	= /bin/ksh

#	compiler to build programs with
CC	= cc

#	C preprocessor, if you don't wish to use the default.
#	[this line can usually be left commented out]
#CPPFLG	= -DCPP=\"/lib/cpp\"

#	Flag to tell the C preprocessor to not strip out comments,
#	if the default value is not correct.
#	[this line can usually be left commented out]
#CPPCMT	= -DCPP_COMMENTS=\"-C\"

#	If your system does not support pipes (have the "popen()"
#	function), you should uncomment this line.  [You might need to
#	carefully look at the definitions of PIPETMP_FMT and
#	PIPEOUT_FMT in xtract.h]
#PIPFLG	= -DNO_POPEN

#	Compiler options, such as '-O' for cc
#	 or '-O -g -Wall -ansi' for GNU compilers
COPTS	= +O3 -Aa -D_HPUX_SOURCE

#	sequence to get rid of ${RM} error messages [blank to see them]
NULL	= 2>/dev/null

#	System information flags; give the proper settings for your
#	machine.  You can also add:
#
#		-DSETBUFFER	if your system has setbuffer(3S)
#				and you wish to use it, in the (slim?)
#				hope of increasing performance.
#
#		-DNO_PERROR	if your system does not have the
#				perror(3) function.
#
#SYSFLG	= -DBSD			# Most BSD derivatives
#SYSFLG	= -DSYSV		# Most SysV derivatives
#SYSFLG	= -DSYSV -DBSD		# Sun OS 4.1
#SYSFLG	= -DSYSV -DAIX		# IBM AIX operating systems
#SYSFLG	= -DSYSV -DSGI		# Silicon Graphics machines
#SYSFLG	= -DBSD -DULTRIX	# Digital Ultrix systems
#SYSFLG	= -DSYSV -DCLIX		# Intergraph Clix operating systems
SYSFLG	= -DHPUX		# Hewlett Packard HPUX systems
#SYSFLG	= -DSYSV -DXENIX	# Xenix SysV systems
#SYSFLG	= -DBSD -DXENIX		# Xenix BSD systems (?)
#SYSFLG	= -DVAXC -DVMS		# Digital VAX VMS machines
#SYSFLG = -DBSD -U__STDC__	# Apollo sites aren't really ANSI (?)

#	final location of the executable
BINDIR	= /usr/remote/bin

#	prefix directory, such as "/mnt". usually left blank
DESTDIR	=

#	settings for the manual pages, change as desired
MANDIR	= /usr/remote/man/man
M1TAG	= 1
M1DIR	= ${MANDIR}${M1TAG}
M5TAG	= 5
M5DIR	= ${MANDIR}${M5TAG}

#	name of the cextractor program
CXTRACT	= cextract

#	name of the documentation extractor
DOCTRG	= cextdoc

#	name of the cextrc configuration file
RCFILE	= .cextrc

#	full path and name for the system level configuration file
SYSRC	= /usr/remote/lib/cextract/cext.config

#	== List of miscellaneous commands needed by make ==
#
#	check for the existence of a directory
TESTDIR	= test -d
#	create a new directory
MKDIR	= mkdir
#	install a file (used in INSTBIN and INSTMAN settings)
INSTALL	= /usr/remote/lib/imake/scripts/install.sh
#	echo any arguments to the standard output
ECHO	= echo
#	string editor
SED	= sed
#	search for any differences between two files
DIFF	= diff
#	produce readable ASCII from roff "man" source
NROFF	= nroff -man
#	remove any files [-f flag means to override permissions]
RM	= /bin/rm -f

#	command to install the binaries
INSTBIN	= ${INSTALL} -s

#	command to install the manual pages
INSTMAN	= ${INSTALL} -m 444

#	set permission on the configuration file after installation
CHMOD	= chmod 644

#	this command is used to create the "cextdoc" program.
#	[If a symbolic link is available, use that, so it need
#	 not be remade each time.  Otherwise use a normal hard link,
#	 or just 'cp'.]
LINK	= ln -s

#
#===== end of configurables
#

CXTOBJS	= main.o parse.o io.o

all:	${CXTRACT}
	@${ECHO} all targets done

#	install the binary
install:	${CXTRACT} ${SYSRC}
	${TESTDIR} ${DESTDIR}${BINDIR} || ${MKDIR} ${DESTDIR}${BINDIR}
	${INSTBIN} ${CXTRACT} ${DESTDIR}${BINDIR}
	-(cd ${DESTDIR}${BINDIR}; ${RM} ${DOCTRG} ${NULL}; ${LINK} ${CXTRACT} ${DOCTRG})

#	install the manual pages
install.man:	cextract.tman cextrc.tman cextdoc.tman
	${TESTDIR} ${DESTDIR}${M1DIR} || ${MKDIR} ${DESTDIR}${M1DIR}
	${TESTDIR} ${DESTDIR}${M5DIR} || ${MKDIR} ${DESTDIR}${M5DIR}
	${INSTMAN} cextract.tman ${DESTDIR}${M1DIR}/cextract.${M1TAG}
	${INSTMAN} cextdoc.tman ${DESTDIR}${M1DIR}/cextdoc.${M1TAG}
	${INSTMAN} cextrc.tman ${DESTDIR}${M5DIR}/cextrc.${M5TAG}

#	build up the documentation
docs:	cextract.tman cextrc.tman
	${NROFF} cextract.tman > cextract.doc
	${NROFF} cextrc.tman > cextrc.doc

cextract.tman:	cextract.1 tmp.sed
	${SED} -f tmp.sed cextract.1 > cextract.tman

cextrc.tman:	cextrc.5 tmp.sed
	${SED} -f tmp.sed cextrc.5 > cextrc.tman

cextdoc.tman:	cextdoc.1 tmp.sed
	${SED} -f tmp.sed cextdoc.1 > cextdoc.tman

tmp.sed:
	${ECHO} "s;SYSCXTRC;${SYSRC};g" > tmp.sed
	${ECHO} "s;NORMRC;${RCFILE};g" >> tmp.sed
	${ECHO} "s;CDOCNAME;${DOCTRG};g" >> tmp.sed

${SYSRC}:	${CXTRACT}
	@${ECHO} "Building new system wide configuration file"
	./${CXTRACT} -B
	${CHMOD} ${SYSRC}

#	Cleaning things up
clean:
	${RM} *.o *~ \#* ${NULL}

#	Really clean things up
clobber:	clean
	${RM} ${CXTRACT} testproto.h tmp.sed cextract.tman ${NULL}
	${RM} cextdoc.tman cextrc.tman ${NULL}

#	Build the header file
proto:	
	${CXTRACT} -o proto.h -H_proto_h_ -S +CFacPZ main.c io.c parse.c

#
test:	${CXTRACT} ${SYSRC}
	./${CXTRACT} -o testproto.h -H_proto_h_ -S +CFacPZ main.c io.c parse.c
	@${ECHO} ===
	@${ECHO} === The only output from the following command should show
	@${ECHO} === two date strings at line 5 of both files.
	@${ECHO} ===
	@${ECHO} === Errors from make can be ignored if this is the case.
	@${ECHO} === 
	-${DIFF} proto.h testproto.h

#
#	define flags for the compilation
CFLAGS	= -DSYS_CONFIG=\"${SYSRC}\" -DCONFIG_FILE=\"${RCFILE}\" -DCEXTDOC_NAME=\"${DOCTRG}\" ${CPPFLG} ${CPPCMT} ${PIPFLG}

#
#	Rules and dependencies for this Makefile
#
.c.o:	$<
	${CC} ${SYSFLG} ${COPTS} ${CFLAGS} -c $*.c

#	The prototype extraction program
${CXTRACT}:	${CXTOBJS}
	${CC} ${COPTS} -o ${CXTRACT} ${CXTOBJS}

#	Added dependencies
${CXTOBJS}:	xtract.h proto.h

#