[binutils.git] / readline / configure

#!/bin/sh

# Configuration script
#   Copyright (C) 1988, 1990, 1991 Free Software Foundation, Inc.

#This file is part of GNU.

# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
# 
# This program 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 General Public License for more details.
# 
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.  */

# $Id$

#
# Shell script to create proper links to machine-dependent files in
# preparation for compilation.
#
# If configure succeeds, it leaves its status in config.status.
# If configure fails after disturbing the status quo, 
# 	config.status is removed.
#

remove=rm
hard_link=ln
symbolic_link='ln -s'

#for Test
#remove="echo rm"
#hard_link="echo ln"
#symbolic_link="echo ln -s"

progname=$0

# clear some things potentially inherited from environment.
ansi=
arguments=$*
defaulttargets=
destdir=
fatal=
hostsubdir=
Makefile=Makefile
Makefile_in=Makefile.in
norecursion=
recurring=
removing=
srcdir=
srctrigger=
target=
targets=
commontargets=
configdirs=
targetsubdir=
template=
verbose=

for arg in $*;
do
	case ${arg} in
	-ansi | +a*)
		ansi=true
		clib=clib
		;;
	-destdir=* | +destdir=* | +destdi=* | +destd=* | +dest=* | +des=* | +de=* | +d=*)
		destdir=`echo ${arg} | sed 's/[+-]d[a-z]*=//'`
		;;
	-languages=* | +languages=* | +language=* | +languag=* \
		| +langua=* | +langu=* | +lang=* | +lan=* | +la=* \
		| +l=*)
		languages="${languages} `echo ${arg} | sed 's/[+-]l[a-z]*=//'`"
		;;
	-gas | +g*)
		gas=yes
		;;
	-help | +h*)
		fatal=true
		;;
	-nfp | +nf*)
		nfp=yes
		;;
	-norecursion | +no*)
		norecursion=true
		;;
	-recurring | +recurring | +recurrin | +recurri | +recurr | +recur | +recu | +rec | +re)
		recurring=true
		;;
	-rm | +rm)
		removing=${arg}
		;;
#	-srcdir=* | +srcdir=* | +srcdi=* | +srcd=* | +src=* | +sr=* | +s=*)
#		srcdir=`echo ${arg} | sed 's/[+-]s[a-z]*=//'`
#		;;
	-subdirs | +f* | +su*)
		subdirs=${arg}
		;;
	-target=* | +target=* | +targe=* | +targ=* | +tar=* | +ta=*)
		if [ -n "${targets}" ] ; then
			subdirs="+subdirs"
		fi

		newtargets="${targets} `echo ${arg} | sed 's/[+-]t[a-z]*=//'`"
		targets="${newtargets}"
		;;
	-template=* | +template=* | +templat=* | +templa=* | +templ=* | +temp=* | +tem=* | +te=*)
		template=`echo ${arg} | sed 's/[+-]template=//'`
		;;
	-v | -verbose | +v*)
		verbose=${arg}
		;;
	-* | +*)
		(echo ;
		echo "Unrecognized option: \"${arg}\"". ;
		echo) 1>&2
		fatal=true
		;;
	*)
		if [ -n "${hosts}" ] ; then
			subdirs="+subdirs"
		fi

		newhosts="${hosts} ${arg}"
		hosts=${newhosts}
		;;
	esac
done

if [ -n "${verbose}" ] ; then
	echo `pwd`/configure $*
fi

# process host and target only if not rebuilding configure itself or removing.
if [ -z "${template}" -a -z "${removing}" -a -z "${fatal}" ] ; then
	# Complain if an arg is missing
	if [ -z "${hosts}" ] ; then
		(echo ;
		echo "configure: No HOST specified." ;
		echo) 1>&2
		fatal=true
	fi
fi

if [ -n "${fatal}" -o "${hosts}" = "help" ] ; then
	(echo "Usage: configure HOST" ;
	echo ;
	echo "Options: [defaults in brackets]" ;
	echo " +ansi		configure w/ANSI library. [no ansi lib]" ;
	echo " +destdir=MYDIR	configure for installation into MYDIR. [/usr/local]" ;
	echo " +subdirs		configure in subdirectories.  [in source directories]" ;
	echo " +lang=LANG	configure to build LANG. [gcc]" ;
	echo " +help		print this message. [normal config]" ;
	echo " +gas		configure the compilers for use with gas. [native as]" ;
	echo " +nfp		configure the compilers default to soft floating point. [hard float]" ;
	echo " +norecursion	configure this directory only. [recurse]" ;
	echo " +rm		remove this configuration. [build a configuration]" ;
	echo " +target=TARGET	configure for TARGET.  [TARGET = HOST]" ;
	echo " +template=TEM	rebuild configure using TEM. [normal config]" ;
	echo ;
	echo "Where HOST and TARGET are something like \"vax\", \"sun3\", \"encore\", etc." ;
	echo "Asking for more than one \"+target\" implies \"+subdirs\".  Any other" ;
	echo "options given will apply to all targets.") 1>&2

	if [ -r config.status ] ; then
		cat config.status
	fi

	exit 1
fi

#### configure.in common parts come in here.
# This file is a shell script fragment that supplies the information
# necessary to tailor a template configure script into the configure
# script appropriate for this directory.  For more information, check
# any existing configure script.

configdirs=
srctrigger=readline.c
srcname="the readline library"

## end of common part.

# are we rebuilding config itself?
if [ -n "${template}" ] ; then
	if [ ! -r ${template} ] ; then
		echo '***' "Can't find template ${template}." 1>&2
		exit 1
	fi

# prep the template
	sed -e '/^#### configure.in common parts come in here.$/,/^## end of common part.$/c\
#### configure.in common parts come in here.\
## end of common part.' \
	-e '/^#### configure.in per-host parts come in here.$/,/^## end of per-host part.$/c\
#### configure.in per-host parts come in here.\
## end of per-host part.' \
	-e '/^#### configure.in per-target parts come in here.$/,/^## end of per-target part.$/c\
#### configure.in per-target parts come in here.\
## end of per-target part.' \
	-e '/^#### configure.in post-target parts come in here.$/,/^## end of post-target part.$/c\
#### configure.in post-target parts come in here.\
## end of post-target part.' \
	< ${template} > template.new

	if [ -r configure.in ] ; then
		if [ -z "`grep '^# per\-host:' configure.in`" ] ; then
			echo '***' `pwd`/configure.in has no "per-host:" line. 1>&2
			exit 1
		fi

		if [ -z "`grep '^# per\-target:' configure.in`" ] ; then
			echo '***' `pwd`/configure.in has no "per-target:" line. 1>&2
			exit 1
		fi

		# split configure.in into common, per-host, per-target,
		# and post-target parts.  Post-target is optional.
		sed -e '/^# per\-host:/,$d' configure.in > configure.com
		sed -e '1,/^# per\-host:/d' -e '/^# per\-target:/,$d' configure.in > configure.hst
		if grep -s '^# post-target:' configure.in ; then
		  sed -e '1,/^# per\-target:/d' -e '/^# post\-target:/,$d' configure.in > configure.tgt
		  sed -e '1,/^# post\-target:/d' configure.in > configure.pos
		else
		  sed -e '1,/^# per\-target:/d' configure.in > configure.tgt
		  echo >configure.pos
		fi

		# and insert them
		sed -e '/^#### configure.in common parts come in here.$/  r configure.com' \
			-e '/^#### configure.in per\-host parts come in here.$/  r configure.hst' \
			-e '/^#### configure.in per\-target parts come in here.$/  r configure.tgt' \
			-e '/^#### configure.in post\-target parts come in here.$/  r configure.pos' \
			template.new > configure.new

		rm -f configure.com configure.tgt configure.hst configure.pos
	else
		echo Warning: no configure.in in `pwd`
		cat ${template} >> configure
	fi

	chmod a+x configure.new
	rm template.new
#	mv configure configure.old
	mv configure.new configure

	if [ -n "${verbose}" ] ; then
		echo Rebuilt configure in `pwd`
	fi

	# Now update config.sub from the template directory.
	if echo "$template" | grep -s 'configure$' ; then
		cp `echo "$template" | sed s/configure$/config.sub/` ./config.sub.new
	#	mv config.sub config.sub.old
		mv config.sub.new config.sub

		if [ -n "${verbose}" ] ; then
			echo Rebuilt config.sub in `pwd`
		fi
	fi

	if [ -z "${norecursion}" ] ; then
		# If template is relative path, make it absolute for recurring.
		if echo "${template}" | grep -s '^/' ; then
		   true
		else
		   template=`pwd`/${template}
		fi

		while [ -n "${configdirs}" ] ; do
			# set configdir to car of configdirs, configdirs to cdr of configdirs
			set ${configdirs}; configdir=$1; shift; configdirs=$*

			if [ "`echo ${configdir}.*`" != "${configdir}.*" ] ; then
				targetspecificdirs=${configdir}.*
			else
				targetspecificdirs=
			fi

			for i in ${configdir} ${targetspecificdirs} ; do
				if [ -d $i ] ; then
					if [ -r $i/configure ] ; then
						(cd $i ;
							./configure +template=${template} ${verbose})
					else
						echo Warning: No configure script in `pwd`/$i
					fi
				else
					if [ -n "${verbose}" ] ; then
					  echo Warning: directory $i is missing.
					fi
				fi
			done
		done
	fi

	exit 0
fi

# some sanity checks on configure.in
if [ -z "${srctrigger}" ] ; then
	echo Warning: srctrigger not set in configure.in. `pwd` not configured.
	exit 1
fi

for host in ${hosts} ; do
	# Default other arg
	if [ -z "${targets}" -o -n "${defaulttargets}" ] ; then
		targets=${host}
		defaulttargets=true
	fi

	host_alias=${host}

	result=`/bin/sh ./config.sub ${host}`
	host_cpu=`echo $result | sed 's/^\(.*\)-\(.*\)-\(.*\)$/\1/'`
	host_vendor=`echo $result | sed 's/^\(.*\)-\(.*\)-\(.*\)$/\2/'`
	host_os=`echo $result | sed 's/^\(.*\)-\(.*\)-\(.*\)$/\3/'`
	host=${host_cpu}-${host_vendor}-${host_os}
	host_makefile_frag=config/hmake-${host}

#### configure.in per-host parts come in here.

case "${host_os}" in
sysv* | irix*) host_makefile_frag=config/hmake-sysv ;;
esac

## end of per-host part.

	for target in ${targets} ; do

		target_alias=${target}
		result=`/bin/sh ./config.sub ${target}`
		target_cpu=`echo $result | sed 's/^\(.*\)-\(.*\)-\(.*\)$/\1/'`
		target_vendor=`echo $result | sed 's/^\(.*\)-\(.*\)-\(.*\)$/\2/'`
		target_os=`echo $result | sed 's/^\(.*\)-\(.*\)-\(.*\)$/\3/'`
		target=${target_cpu}-${target_vendor}-${target_os}
		target_makefile_frag=config/tmake-${target}

#### configure.in per-target parts come in here.

## end of per-target part.

		# Temporarily, we support only direct subdir builds.
		hostsubdir=H-${host_alias}
		targetsubdir=T-${target_alias}

		if [ -n "${removing}" ] ; then
			if [ -n "${subdirs}" ] ; then
				if [ -d "${hostsubdir}" ] ; then
					rm -rf ${hostsubdir}/${targetsubdir}

					if [ -z "`(ls ${hostsubdir}) 2>&1 | grep Target- | grep -v Target-independent`" ] ; then
						rm -rf ${hostsubdir}
					fi
				else
					echo Warning: no `pwd`/${hostsubdir} to remove.
				fi
			else
				rm -f ${Makefile} config.status ${links}
			fi
		else
			if [ -n "${subdirs}" ] ; then
				# check for existing status before allowing forced subdirs.
				if [ -f ${Makefile} ] ; then
					echo '***' "${Makefile} already exists in source directory.  `pwd` not configured." 1>&2
					exit 1
				fi

				if [ ! -d ${hostsubdir} ] ; then mkdir ${hostsubdir} ; fi
				cd ${hostsubdir}

				if [ ! -d ${targetsubdir} ] ; then
					if [ -z "${commontargets}" ] ; then
						mkdir ${targetsubdir}
					else
						if [ ! -d Target-independent ] ; then
							mkdir Target-independent
						fi

						${symbolic_link} Target-independent ${targetsubdir}
					fi # if target independent
				fi # if no target dir yet

				cd ${targetsubdir}

				srcdir=../..
			else
				# if not subdir builds, then make sure none exist.
				if [ -n "`(ls .) 2>&1 | grep Host-`" ] ; then
					echo '***' "Configured subdirs exist.  `pwd` not configured." 1>&2
					exit 1
				fi
			fi

			# Find the source files, if location was not specified.
			if [ -z "${srcdir}" ] ; then
				srcdirdefaulted=1
				srcdir=.
				if [ -n "${srctrigger}" -a ! -r ${srctrigger} ] ; then
					srcdir=..
				fi
			fi

			if [ -n "${srctrigger}" -a ! -r ${srcdir}/${srctrigger} ] ; then
				if [ -z "${srcdirdefaulted}" ] ; then
					echo '***' "${progname}: Can't find ${srcname} sources in `pwd`/${srcdir}" 1>&2
				else
					echo '***' "${progname}: Can't find ${srcname} sources in `pwd`/. or `pwd`/.." 1>&2
				fi

				echo '***' \(At least ${srctrigger} is missing.\) 1>&2
				exit 1
			fi

			# Set up the list of links to be made.
			# ${links} is the list of link names, and ${files} is the list of names to link to.

			# Make the links.
			while [ -n "${files}" ] ; do
				# set file to car of files, files to cdr of files
				set ${files}; file=$1; shift; files=$*
				set ${links}; link=$1; shift; links=$*

				if [ ! -r ${srcdir}/${file} ] ; then
					echo '***' "${progname}: cannot create a link \"${link}\"," 1>&2
					echo '***' "since the file \"${file}\" does not exist." 1>&2
					exit 1
				fi

				${remove} -f ${link}
				rm -f config.status
				# Make a symlink if possible, otherwise try a hard link
				${symbolic_link} ${srcdir}/${file} ${link} 2>/dev/null || ${hard_link} ${srcdir}/${file} ${link}

				if [ ! -r ${link} ] ; then
					echo '***' "${progname}: unable to link \"${link}\" to \"${srcdir}/${file}\"." 1>&2
					exit 1
				fi

				if [ -n "${verbose}" ] ; then
					echo "Linked \"${link}\" to \"${srcdir}/${file}\"."
				fi
			done

			# Create a .gdbinit file which runs the one in srcdir
			# and tells GDB to look there for source files.

			case ${srcdir} in
			.)
				;;
			*)
				echo "dir ." > .gdbinit
				echo "dir ${srcdir}" >> .gdbinit
				echo "source ${srcdir}/.gdbinit" >> .gdbinit
				;;
			esac

			# Install a makefile, and make it set VPATH
			# if necessary so that the sources are found.
			# Also change its value of srcdir.

		# FIXME-someday: This business of always writing to .tem and mv back
		# is so that I don't screw things up while developing.  Once this
		# template is stable, these should be optimized. xoxorich.

			# Define macro CROSS_COMPILE in compilation if this is a cross-compiler.
			if [ "${host}" != "${target}" ] ; then
				echo "CROSS=-DCROSS_COMPILE" > ${Makefile}
				echo "ALL=start.encap" >> ${Makefile}
			else
				echo "ALL=all.internal" > ${Makefile}
			fi

			# set target, host, VPATH
			echo "host_alias = ${host_alias}" >> ${Makefile}
			echo "host_cpu = ${host_cpu}" >> ${Makefile}
			echo "host_vendor = ${host_vendor}" >> ${Makefile}
			echo "host_os = ${host_os}" >> ${Makefile}

			echo "target_alias = ${target_alias}" >> ${Makefile}
			echo "target_cpu = ${target_cpu}" >> ${Makefile}
			echo "target_vendor = ${target_vendor}" >> ${Makefile}
			echo "target_os = ${target_os}" >> ${Makefile}

			if [ -n "${subdirs}" ] ; then
				echo "subdir = /${hostsubdir}/${targetsubdir}" >> ${Makefile}
			else
				echo "subdir =" >> ${Makefile}
			fi

		#	echo "workdir = `pwd`" >> ${Makefile}
			echo "VPATH = ${srcdir}" >> ${Makefile}

			# add "Makefile.in" (or whatever it's called)
			cat ${srcdir}/${Makefile_in} >> ${Makefile}

			# Conditionalize the makefile for this host.
			if [ -f ${srcdir}/${host_makefile_frag} ] ; then
				(echo "host_makefile_frag = ${srcdir}/${host_makefile_frag}" ; 
					sed -e "/^####/  r ${srcdir}/${host_makefile_frag}" ${Makefile}) > Makefile.tem
				mv Makefile.tem ${Makefile}
			fi

			# Conditionalize the makefile for this target.
			if [ -f ${srcdir}/${target_makefile_frag} ] ; then
				(echo "target_makefile_frag = ${srcdir}/${target_makefile_frag}" ; 
					sed -e "/^####/  r ${srcdir}/${target_makefile_frag}" ${Makefile}) > Makefile.tem
				mv Makefile.tem ${Makefile}
			fi

			# set srcdir
			sed "s@^srcdir = \.@srcdir = ${srcdir}@" ${Makefile} > Makefile.tem
			mv Makefile.tem ${Makefile}

			# set destdir
			if [ -n "${destdir}" ] ; then
				sed "s:^destdir =.*$:destdir = ${destdir}:" ${Makefile} > Makefile.tem
				mv Makefile.tem ${Makefile}
			fi

			# reset SUBDIRS
			sed "s:^SUBDIRS =.*$:SUBDIRS = ${configdirs}:" ${Makefile} > Makefile.tem
			mv Makefile.tem ${Makefile}

			# reset NONSUBDIRS
			sed "s:^NONSUBDIRS =.*$:NONSUBDIRS = ${noconfigdirs}:" ${Makefile} > Makefile.tem
			mv Makefile.tem ${Makefile}

			using=
			if [ -f ${srcdir}/${host_makefile_frag} ] ; then
				using=" using \"${host_makefile_frag}\""
			fi

			# remove any form feeds.
			sed -e "s/\f//" ${Makefile} > Makefile.tem
			mv Makefile.tem ${Makefile}

			if [ -f ${srcdir}/${target_makefile_frag} ] ; then
				if [ -z "${using}" ] ; then
					andusing=" using \"${target_makefile_frag}\""
				else
					andusing="${using} and \"${target_makefile_frag}\""
				fi
			else
				andusing=${using}
			fi

			if [ -n "${verbose}" -o -z "${recurring}" ] ; then
				echo "Created \"${Makefile}\"" in `pwd`${andusing}.
			fi

#### configure.in post-target parts come in here.

## end of post-target part.

			# describe the chosen configuration in config.status.
			# Make that file a shellscript which will reestablish
			# the same configuration.  Used in Makefiles to rebuild
			# Makefiles.

			echo "#!/bin/sh
# ${srcname} was configured as follows:
${srcdir}/configure" ${arguments} `if [ -z "${norecursion}" ] ; then echo +norecursion ; else true ; fi` > config.status
			chmod a+x config.status

			originaldir=`pwd`
			cd ${srcdir}
		fi

		# If there are subdirectories, then recurse. 
		if [ -z "${norecursion}" -a -n "${configdirs}" ] ; then 
			for configdir in ${configdirs} ; do
				if [ -n "${verbose}" ] ; then
					echo Configuring ${configdir}...
				fi

				if [ -d ${configdir} ] ; then
					(cd ${configdir} ;
						./configure +recurring ${host_alias} +target=${target_alias} \
							${verbose} ${subdirs} ${removing} +destdir=${destdir}) \
						| sed 's/^/	/'
				else
					if [ -n "${verbose}" ] ; then
						echo Warning: directory \"${configdir}\" is missing.
					fi
				fi
			done
		fi
	done # for each target

	# Now build a Makefile for this host.
	if [ -n "${subdirs}" -a ! -n "${removing}" ] ; then
		cd ${hostsubdir}
		cat > GNUmakefile << E!O!F
# Makefile generated by configure for host ${host_alias}.

ALL := $(shell ls -d Target-*)

%:
	$(foreach subdir,$(ALL),$(MAKE) -C $(subdir) \$@ &&) true

all:
E!O!F
		cd ..
	fi
done # for each host

exit 0

#
# Local Variables:
# fill-column: 131
# End:
#

# end of configure
Commit	Line	Data
3f86071f RP	1	#!/bin/sh
3f86071f RP	2
5a168a17	3	# Configuration script
3f86071f RP	4	# Copyright (C) 1988, 1990, 1991 Free Software Foundation, Inc.
	5
	6	#This file is part of GNU.
	7
c65cca22 JG	8	# This program is free software; you can redistribute it and/or modify
	9	# it under the terms of the GNU General Public License as published by
	10	# the Free Software Foundation; either version 2 of the License, or
	11	# (at your option) any later version.
	12	#
	13	# This program is distributed in the hope that it will be useful,
	14	# but WITHOUT ANY WARRANTY; without even the implied warranty of
	15	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	16	# GNU General Public License for more details.
	17	#
	18	# You should have received a copy of the GNU General Public License
	19	# along with this program; if not, write to the Free Software
	20	# Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
3f86071f RP	21
	22	# $Id$
	23
	24	#
	25	# Shell script to create proper links to machine-dependent files in
	26	# preparation for compilation.
	27	#
	28	# If configure succeeds, it leaves its status in config.status.
	29	# If configure fails after disturbing the status quo,
	30	# config.status is removed.
	31	#
	32
	33	remove=rm
	34	hard_link=ln
	35	symbolic_link='ln -s'
	36
	37	#for Test
	38	#remove="echo rm"
	39	#hard_link="echo ln"
	40	#symbolic_link="echo ln -s"
	41
	42	progname=$0
	43
	44	# clear some things potentially inherited from environment.
	45	ansi=
5a168a17	46	arguments=$*
3f86071f RP	47	defaulttargets=
	48	destdir=
	49	fatal=
	50	hostsubdir=
c65cca22 JG	51	Makefile=Makefile
c65cca22 JG	52	Makefile_in=Makefile.in
5a168a17 RP	53	norecursion=
5a168a17 RP	54	recurring=
3f86071f RP	55	removing=
	56	srcdir=
	57	srctrigger=
	58	target=
	59	targets=
f0b9c976	60	commontargets=
5a168a17	61	configdirs=
3f86071f RP	62	targetsubdir=
	63	template=
	64	verbose=
	65
	66	for arg in $*;
	67	do
	68	case ${arg} in
f0b9c976	69	-ansi \| +a*)
3f86071f	70	ansi=true
f0b9c976	71	clib=clib
3f86071f RP	72	;;
	73	-destdir=* \| +destdir=* \| +destdi=* \| +destd=* \| +dest=* \| +des=* \| +de=* \| +d=*)
	74	destdir=`echo ${arg} \| sed 's/[+-]d[a-z]*=//'`
	75	;;
3f86071f RP	76	-languages=* \| +languages=* \| +language=* \| +languag=* \
	77	\| +langua=* \| +langu=* \| +lang=* \| +lan=* \| +la=* \
	78	\| +l=*)
	79	languages="${languages} `echo ${arg} \| sed 's/[+-]l[a-z]*=//'`"
	80	;;
f0b9c976	81	-gas \| +g*)
3f86071f RP	82	gas=yes
3f86071f RP	83	;;
f0b9c976	84	-help \| +h*)
3f86071f RP	85	fatal=true
3f86071f RP	86	;;
f0b9c976	87	-nfp \| +nf*)
3f86071f RP	88	nfp=yes
3f86071f RP	89	;;
5a168a17 RP	90	-norecursion \| +no*)
5a168a17 RP	91	norecursion=true
3f86071f	92	;;
5a168a17 RP	93	-recurring \| +recurring \| +recurrin \| +recurri \| +recurr \| +recur \| +recu \| +rec \| +re)
5a168a17 RP	94	recurring=true
9f267380	95	;;
5a168a17	96	-rm \| +rm)
3f86071f RP	97	removing=${arg}
	98	;;
	99	# -srcdir=* \| +srcdir=* \| +srcdi=* \| +srcd=* \| +src=* \| +sr=* \| +s=*)
	100	# srcdir=`echo ${arg} \| sed 's/[+-]s[a-z]*=//'`
	101	# ;;
f0b9c976 RP	102	-subdirs \| +f* \| +su*)
	103	subdirs=${arg}
	104	;;
	105	-target=* \| +target=* \| +targe=* \| +targ=* \| +tar=* \| +ta=*)
3f86071f	106	if [ -n "${targets}" ] ; then
f0b9c976	107	subdirs="+subdirs"
3f86071f RP	108	fi
	109
	110	newtargets="${targets} `echo ${arg} \| sed 's/[+-]t[a-z]*=//'`"
	111	targets="${newtargets}"
	112	;;
f0b9c976	113	-template=* \| +template=* \| +templat=* \| +templa=* \| +templ=* \| +temp=* \| +tem=* \| +te=*)
3f86071f RP	114	template=`echo ${arg} \| sed 's/[+-]template=//'`
3f86071f RP	115	;;
f0b9c976	116	-v \| -verbose \| +v*)
3f86071f RP	117	verbose=${arg}
	118	;;
	119	-* \| +*)
	120	(echo ;
	121	echo "Unrecognized option: \"${arg}\"". ;
9f267380	122	echo) 1>&2
3f86071f RP	123	fatal=true
	124	;;
	125	*)
	126	if [ -n "${hosts}" ] ; then
f0b9c976	127	subdirs="+subdirs"
3f86071f RP	128	fi
	129
	130	newhosts="${hosts} ${arg}"
	131	hosts=${newhosts}
	132	;;
	133	esac
	134	done
	135
	136	if [ -n "${verbose}" ] ; then
	137	echo `pwd`/configure $*
3f86071f RP	138	fi
	139
	140	# process host and target only if not rebuilding configure itself or removing.
	141	if [ -z "${template}" -a -z "${removing}" -a -z "${fatal}" ] ; then
	142	# Complain if an arg is missing
	143	if [ -z "${hosts}" ] ; then
	144	(echo ;
	145	echo "configure: No HOST specified." ;
9f267380	146	echo) 1>&2
3f86071f RP	147	fatal=true
	148	fi
	149	fi
	150
	151	if [ -n "${fatal}" -o "${hosts}" = "help" ] ; then
	152	(echo "Usage: configure HOST" ;
	153	echo ;
	154	echo "Options: [defaults in brackets]" ;
	155	echo " +ansi configure w/ANSI library. [no ansi lib]" ;
	156	echo " +destdir=MYDIR configure for installation into MYDIR. [/usr/local]" ;
f0b9c976	157	echo " +subdirs configure in subdirectories. [in source directories]" ;
3f86071f RP	158	echo " +lang=LANG configure to build LANG. [gcc]" ;
	159	echo " +help print this message. [normal config]" ;
	160	echo " +gas configure the compilers for use with gas. [native as]" ;
	161	echo " +nfp configure the compilers default to soft floating point. [hard float]" ;
5a168a17	162	echo " +norecursion configure this directory only. [recurse]" ;
3f86071f RP	163	echo " +rm remove this configuration. [build a configuration]" ;
	164	echo " +target=TARGET configure for TARGET. [TARGET = HOST]" ;
	165	echo " +template=TEM rebuild configure using TEM. [normal config]" ;
	166	echo ;
	167	echo "Where HOST and TARGET are something like \"vax\", \"sun3\", \"encore\", etc." ;
f0b9c976	168	echo "Asking for more than one \"+target\" implies \"+subdirs\". Any other" ;
9f267380	169	echo "options given will apply to all targets.") 1>&2
3f86071f RP	170
	171	if [ -r config.status ] ; then
	172	cat config.status
	173	fi
	174
	175	exit 1
	176	fi
	177
	178	#### configure.in common parts come in here.
	179	# This file is a shell script fragment that supplies the information
	180	# necessary to tailor a template configure script into the configure
	181	# script appropriate for this directory. For more information, check
	182	# any existing configure script.
	183
	184	configdirs=
	185	srctrigger=readline.c
	186	srcname="the readline library"
	187
	188	## end of common part.
	189
	190	# are we rebuilding config itself?
	191	if [ -n "${template}" ] ; then
	192	if [ ! -r ${template} ] ; then
9f267380	193	echo '***' "Can't find template ${template}." 1>&2
3f86071f RP	194	exit 1
	195	fi
	196
	197	# prep the template
	198	sed -e '/^#### configure.in common parts come in here.$/,/^## end of common part.$/c\
	199	#### configure.in common parts come in here.\
	200	## end of common part.' \
	201	-e '/^#### configure.in per-host parts come in here.$/,/^## end of per-host part.$/c\
	202	#### configure.in per-host parts come in here.\
	203	## end of per-host part.' \
	204	-e '/^#### configure.in per-target parts come in here.$/,/^## end of per-target part.$/c\
	205	#### configure.in per-target parts come in here.\
	206	## end of per-target part.' \
c65cca22 JG	207	-e '/^#### configure.in post-target parts come in here.$/,/^## end of post-target part.$/c\
	208	#### configure.in post-target parts come in here.\
	209	## end of post-target part.' \
3f86071f RP	210	< ${template} > template.new
	211
	212	if [ -r configure.in ] ; then
	213	if [ -z "`grep '^# per\-host:' configure.in`" ] ; then
9f267380	214	echo '***' `pwd`/configure.in has no "per-host:" line. 1>&2
3f86071f RP	215	exit 1
	216	fi
	217
	218	if [ -z "`grep '^# per\-target:' configure.in`" ] ; then
9f267380	219	echo '***' `pwd`/configure.in has no "per-target:" line. 1>&2
3f86071f RP	220	exit 1
	221	fi
	222
c65cca22 JG	223	# split configure.in into common, per-host, per-target,
c65cca22 JG	224	# and post-target parts. Post-target is optional.
3f86071f RP	225	sed -e '/^# per\-host:/,$d' configure.in > configure.com
3f86071f RP	226	sed -e '1,/^# per\-host:/d' -e '/^# per\-target:/,$d' configure.in > configure.hst
c65cca22 JG	227	if grep -s '^# post-target:' configure.in ; then
	228	sed -e '1,/^# per\-target:/d' -e '/^# post\-target:/,$d' configure.in > configure.tgt
	229	sed -e '1,/^# post\-target:/d' configure.in > configure.pos
	230	else
	231	sed -e '1,/^# per\-target:/d' configure.in > configure.tgt
	232	echo >configure.pos
	233	fi
3f86071f RP	234
	235	# and insert them
	236	sed -e '/^#### configure.in common parts come in here.$/ r configure.com' \
	237	-e '/^#### configure.in per\-host parts come in here.$/ r configure.hst' \
	238	-e '/^#### configure.in per\-target parts come in here.$/ r configure.tgt' \
c65cca22	239	-e '/^#### configure.in post\-target parts come in here.$/ r configure.pos' \
3f86071f RP	240	template.new > configure.new
3f86071f RP	241
c65cca22	242	rm -f configure.com configure.tgt configure.hst configure.pos
3f86071f RP	243	else
	244	echo Warning: no configure.in in `pwd`
	245	cat ${template} >> configure
	246	fi
	247
	248	chmod a+x configure.new
	249	rm template.new
	250	# mv configure configure.old
	251	mv configure.new configure
f0b9c976 RP	252
	253	if [ -n "${verbose}" ] ; then
	254	echo Rebuilt configure in `pwd`
	255	fi
3f86071f	256
9f267380 SG	257	# Now update config.sub from the template directory.
	258	if echo "$template" \| grep -s 'configure$' ; then
	259	cp `echo "$template" \| sed s/configure$/config.sub/` ./config.sub.new
	260	# mv config.sub config.sub.old
	261	mv config.sub.new config.sub
	262
	263	if [ -n "${verbose}" ] ; then
	264	echo Rebuilt config.sub in `pwd`
	265	fi
	266	fi
	267
5a168a17 RP	268	if [ -z "${norecursion}" ] ; then
5a168a17 RP	269	# If template is relative path, make it absolute for recurring.
c65cca22 JG	270	if echo "${template}" \| grep -s '^/' ; then
	271	true
	272	else
	273	template=`pwd`/${template}
	274	fi
	275
3f86071f RP	276	while [ -n "${configdirs}" ] ; do
	277	# set configdir to car of configdirs, configdirs to cdr of configdirs
	278	set ${configdirs}; configdir=$1; shift; configdirs=$*
	279
	280	if [ "`echo ${configdir}.`" != "${configdir}." ] ; then
	281	targetspecificdirs=${configdir}.*
	282	else
	283	targetspecificdirs=
	284	fi
	285
	286	for i in ${configdir} ${targetspecificdirs} ; do
	287	if [ -d $i ] ; then
	288	if [ -r $i/configure ] ; then
	289	(cd $i ;
	290	./configure +template=${template} ${verbose})
	291	else
f0b9c976	292	echo Warning: No configure script in `pwd`/$i
3f86071f RP	293	fi
3f86071f RP	294	else
9f267380 SG	295	if [ -n "${verbose}" ] ; then
	296	echo Warning: directory $i is missing.
	297	fi
3f86071f RP	298	fi
	299	done
	300	done
	301	fi
	302
	303	exit 0
	304	fi
	305
	306	# some sanity checks on configure.in
	307	if [ -z "${srctrigger}" ] ; then
f0b9c976	308	echo Warning: srctrigger not set in configure.in. `pwd` not configured.
3f86071f RP	309	exit 1
	310	fi
	311
	312	for host in ${hosts} ; do
	313	# Default other arg
	314	if [ -z "${targets}" -o -n "${defaulttargets}" ] ; then
	315	targets=${host}
	316	defaulttargets=true
	317	fi
	318
5a168a17 RP	319	host_alias=${host}
5a168a17 RP	320
9f267380 SG	321	result=`/bin/sh ./config.sub ${host}`
	322	host_cpu=`echo $result \| sed 's/^\(.\)-\(.\)-\(.*\)$/\1/'`
	323	host_vendor=`echo $result \| sed 's/^\(.\)-\(.\)-\(.*\)$/\2/'`
	324	host_os=`echo $result \| sed 's/^\(.\)-\(.\)-\(.*\)$/\3/'`
	325	host=${host_cpu}-${host_vendor}-${host_os}
6c18e393 RP	326	host_makefile_frag=config/hmake-${host}
6c18e393 RP	327
3f86071f RP	328	#### configure.in per-host parts come in here.
3f86071f RP	329
9f267380 SG	330	case "${host_os}" in
	331	sysv* \| irix*) host_makefile_frag=config/hmake-sysv ;;
	332	esac
	333
3f86071f RP	334	## end of per-host part.
3f86071f RP	335
3f86071f RP	336	for target in ${targets} ; do
3f86071f RP	337
5a168a17	338	target_alias=${target}
9f267380 SG	339	result=`/bin/sh ./config.sub ${target}`
	340	target_cpu=`echo $result \| sed 's/^\(.\)-\(.\)-\(.*\)$/\1/'`
	341	target_vendor=`echo $result \| sed 's/^\(.\)-\(.\)-\(.*\)$/\2/'`
	342	target_os=`echo $result \| sed 's/^\(.\)-\(.\)-\(.*\)$/\3/'`
	343	target=${target_cpu}-${target_vendor}-${target_os}
6c18e393 RP	344	target_makefile_frag=config/tmake-${target}
6c18e393 RP	345
3f86071f RP	346	#### configure.in per-target parts come in here.
	347
	348	## end of per-target part.
	349
	350	# Temporarily, we support only direct subdir builds.
5a168a17 RP	351	hostsubdir=H-${host_alias}
5a168a17 RP	352	targetsubdir=T-${target_alias}
3f86071f RP	353
3f86071f RP	354	if [ -n "${removing}" ] ; then
f0b9c976	355	if [ -n "${subdirs}" ] ; then
3f86071f RP	356	if [ -d "${hostsubdir}" ] ; then
	357	rm -rf ${hostsubdir}/${targetsubdir}
	358
f0b9c976	359	if [ -z "`(ls ${hostsubdir}) 2>&1 \| grep Target- \| grep -v Target-independent`" ] ; then
3f86071f RP	360	rm -rf ${hostsubdir}
	361	fi
	362	else
	363	echo Warning: no `pwd`/${hostsubdir} to remove.
	364	fi
	365	else
c65cca22	366	rm -f ${Makefile} config.status ${links}
3f86071f RP	367	fi
3f86071f RP	368	else
f0b9c976	369	if [ -n "${subdirs}" ] ; then
3f86071f	370	# check for existing status before allowing forced subdirs.
c65cca22	371	if [ -f ${Makefile} ] ; then
9f267380	372	echo '***' "${Makefile} already exists in source directory. `pwd` not configured." 1>&2
3f86071f RP	373	exit 1
	374	fi
	375
	376	if [ ! -d ${hostsubdir} ] ; then mkdir ${hostsubdir} ; fi
	377	cd ${hostsubdir}
	378
f0b9c976 RP	379	if [ ! -d ${targetsubdir} ] ; then
	380	if [ -z "${commontargets}" ] ; then
	381	mkdir ${targetsubdir}
	382	else
	383	if [ ! -d Target-independent ] ; then
	384	mkdir Target-independent
	385	fi
	386
	387	${symbolic_link} Target-independent ${targetsubdir}
	388	fi # if target independent
	389	fi # if no target dir yet
	390
3f86071f RP	391	cd ${targetsubdir}
	392
	393	srcdir=../..
	394	else
	395	# if not subdir builds, then make sure none exist.
	396	if [ -n "`(ls .) 2>&1 \| grep Host-`" ] ; then
9f267380	397	echo '***' "Configured subdirs exist. `pwd` not configured." 1>&2
3f86071f RP	398	exit 1
	399	fi
	400	fi
	401
	402	# Find the source files, if location was not specified.
	403	if [ -z "${srcdir}" ] ; then
	404	srcdirdefaulted=1
	405	srcdir=.
	406	if [ -n "${srctrigger}" -a ! -r ${srctrigger} ] ; then
	407	srcdir=..
	408	fi
	409	fi
	410
	411	if [ -n "${srctrigger}" -a ! -r ${srcdir}/${srctrigger} ] ; then
	412	if [ -z "${srcdirdefaulted}" ] ; then
9f267380	413	echo '***' "${progname}: Can't find ${srcname} sources in `pwd`/${srcdir}" 1>&2
3f86071f	414	else
9f267380	415	echo '***' "${progname}: Can't find ${srcname} sources in `pwd`/. or `pwd`/.." 1>&2
3f86071f RP	416	fi
3f86071f RP	417
9f267380	418	echo '***' \(At least ${srctrigger} is missing.\) 1>&2
3f86071f RP	419	exit 1
	420	fi
	421
	422	# Set up the list of links to be made.
	423	# ${links} is the list of link names, and ${files} is the list of names to link to.
	424
	425	# Make the links.
	426	while [ -n "${files}" ] ; do
	427	# set file to car of files, files to cdr of files
	428	set ${files}; file=$1; shift; files=$*
	429	set ${links}; link=$1; shift; links=$*
	430
	431	if [ ! -r ${srcdir}/${file} ] ; then
9f267380 SG	432	echo '***' "${progname}: cannot create a link \"${link}\"," 1>&2
9f267380 SG	433	echo '***' "since the file \"${file}\" does not exist." 1>&2
3f86071f RP	434	exit 1
	435	fi
	436
	437	${remove} -f ${link}
	438	rm -f config.status
	439	# Make a symlink if possible, otherwise try a hard link
	440	${symbolic_link} ${srcdir}/${file} ${link} 2>/dev/null \|\| ${hard_link} ${srcdir}/${file} ${link}
	441
	442	if [ ! -r ${link} ] ; then
9f267380	443	echo '***' "${progname}: unable to link \"${link}\" to \"${srcdir}/${file}\"." 1>&2
3f86071f RP	444	exit 1
3f86071f RP	445	fi
f0b9c976 RP	446
	447	if [ -n "${verbose}" ] ; then
	448	echo "Linked \"${link}\" to \"${srcdir}/${file}\"."
	449	fi
3f86071f RP	450	done
	451
	452	# Create a .gdbinit file which runs the one in srcdir
	453	# and tells GDB to look there for source files.
	454
	455	case ${srcdir} in
	456	.)
	457	;;
	458	*)
	459	echo "dir ." > .gdbinit
	460	echo "dir ${srcdir}" >> .gdbinit
	461	echo "source ${srcdir}/.gdbinit" >> .gdbinit
	462	;;
	463	esac
	464
	465	# Install a makefile, and make it set VPATH
	466	# if necessary so that the sources are found.
	467	# Also change its value of srcdir.
	468
	469	# FIXME-someday: This business of always writing to .tem and mv back
	470	# is so that I don't screw things up while developing. Once this
	471	# template is stable, these should be optimized. xoxorich.
	472
	473	# Define macro CROSS_COMPILE in compilation if this is a cross-compiler.
	474	if [ "${host}" != "${target}" ] ; then
c65cca22 JG	475	echo "CROSS=-DCROSS_COMPILE" > ${Makefile}
c65cca22 JG	476	echo "ALL=start.encap" >> ${Makefile}
3f86071f	477	else
c65cca22	478	echo "ALL=all.internal" > ${Makefile}
3f86071f RP	479	fi
	480
	481	# set target, host, VPATH
5a168a17 RP	482	echo "host_alias = ${host_alias}" >> ${Makefile}
	483	echo "host_cpu = ${host_cpu}" >> ${Makefile}
	484	echo "host_vendor = ${host_vendor}" >> ${Makefile}
	485	echo "host_os = ${host_os}" >> ${Makefile}
	486
	487	echo "target_alias = ${target_alias}" >> ${Makefile}
	488	echo "target_cpu = ${target_cpu}" >> ${Makefile}
	489	echo "target_vendor = ${target_vendor}" >> ${Makefile}
	490	echo "target_os = ${target_os}" >> ${Makefile}
3f86071f	491
f0b9c976	492	if [ -n "${subdirs}" ] ; then
c65cca22	493	echo "subdir = /${hostsubdir}/${targetsubdir}" >> ${Makefile}
3f86071f	494	else
c65cca22	495	echo "subdir =" >> ${Makefile}
3f86071f RP	496	fi
3f86071f RP	497
c65cca22 JG	498	# echo "workdir = `pwd`" >> ${Makefile}
c65cca22 JG	499	echo "VPATH = ${srcdir}" >> ${Makefile}
3f86071f	500
c65cca22 JG	501	# add "Makefile.in" (or whatever it's called)
c65cca22 JG	502	cat ${srcdir}/${Makefile_in} >> ${Makefile}
3f86071f	503
3f86071f RP	504	# Conditionalize the makefile for this host.
3f86071f RP	505	if [ -f ${srcdir}/${host_makefile_frag} ] ; then
5a168a17 RP	506	(echo "host_makefile_frag = ${srcdir}/${host_makefile_frag}" ;
5a168a17 RP	507	sed -e "/^####/ r ${srcdir}/${host_makefile_frag}" ${Makefile}) > Makefile.tem
c65cca22	508	mv Makefile.tem ${Makefile}
3f86071f RP	509	fi
	510
	511	# Conditionalize the makefile for this target.
	512	if [ -f ${srcdir}/${target_makefile_frag} ] ; then
5a168a17 RP	513	(echo "target_makefile_frag = ${srcdir}/${target_makefile_frag}" ;
5a168a17 RP	514	sed -e "/^####/ r ${srcdir}/${target_makefile_frag}" ${Makefile}) > Makefile.tem
c65cca22	515	mv Makefile.tem ${Makefile}
3f86071f RP	516	fi
	517
	518	# set srcdir
c65cca22 JG	519	sed "s@^srcdir = \.@srcdir = ${srcdir}@" ${Makefile} > Makefile.tem
c65cca22 JG	520	mv Makefile.tem ${Makefile}
3f86071f RP	521
	522	# set destdir
	523	if [ -n "${destdir}" ] ; then
c65cca22 JG	524	sed "s:^destdir =.*$:destdir = ${destdir}:" ${Makefile} > Makefile.tem
c65cca22 JG	525	mv Makefile.tem ${Makefile}
3f86071f RP	526	fi
3f86071f RP	527
3f86071f	528	# reset SUBDIRS
c65cca22 JG	529	sed "s:^SUBDIRS =.*$:SUBDIRS = ${configdirs}:" ${Makefile} > Makefile.tem
c65cca22 JG	530	mv Makefile.tem ${Makefile}
3f86071f RP	531
3f86071f RP	532	# reset NONSUBDIRS
c65cca22 JG	533	sed "s:^NONSUBDIRS =.*$:NONSUBDIRS = ${noconfigdirs}:" ${Makefile} > Makefile.tem
c65cca22 JG	534	mv Makefile.tem ${Makefile}
3f86071f RP	535
	536	using=
	537	if [ -f ${srcdir}/${host_makefile_frag} ] ; then
	538	using=" using \"${host_makefile_frag}\""
	539	fi
	540
5a168a17 RP	541	# remove any form feeds.
	542	sed -e "s/\f//" ${Makefile} > Makefile.tem
	543	mv Makefile.tem ${Makefile}
	544
3f86071f RP	545	if [ -f ${srcdir}/${target_makefile_frag} ] ; then
	546	if [ -z "${using}" ] ; then
	547	andusing=" using \"${target_makefile_frag}\""
	548	else
	549	andusing="${using} and \"${target_makefile_frag}\""
	550	fi
	551	else
	552	andusing=${using}
	553	fi
	554
5a168a17	555	if [ -n "${verbose}" -o -z "${recurring}" ] ; then
f0b9c976 RP	556	echo "Created \"${Makefile}\"" in `pwd`${andusing}.
f0b9c976 RP	557	fi
c65cca22 JG	558
	559	#### configure.in post-target parts come in here.
	560
	561	## end of post-target part.
3f86071f	562
5a168a17 RP	563	# describe the chosen configuration in config.status.
	564	# Make that file a shellscript which will reestablish
	565	# the same configuration. Used in Makefiles to rebuild
	566	# Makefiles.
	567
	568	echo "#!/bin/sh
	569	# ${srcname} was configured as follows:
	570	${srcdir}/configure" ${arguments} `if [ -z "${norecursion}" ] ; then echo +norecursion ; else true ; fi` > config.status
	571	chmod a+x config.status
3f86071f RP	572
	573	originaldir=`pwd`
	574	cd ${srcdir}
	575	fi
9f267380 SG	576
9f267380 SG	577	# If there are subdirectories, then recurse.
5a168a17	578	if [ -z "${norecursion}" -a -n "${configdirs}" ] ; then
9f267380 SG	579	for configdir in ${configdirs} ; do
	580	if [ -n "${verbose}" ] ; then
	581	echo Configuring ${configdir}...
	582	fi
	583
	584	if [ -d ${configdir} ] ; then
	585	(cd ${configdir} ;
5a168a17	586	./configure +recurring ${host_alias} +target=${target_alias} \
9f267380 SG	587	${verbose} ${subdirs} ${removing} +destdir=${destdir}) \
	588	\| sed 's/^/ /'
	589	else
	590	if [ -n "${verbose}" ] ; then
	591	echo Warning: directory \"${configdir}\" is missing.
	592	fi
	593	fi
	594	done
	595	fi
3f86071f RP	596	done # for each target
3f86071f RP	597
4101d868	598	# Now build a Makefile for this host.
f0b9c976	599	if [ -n "${subdirs}" -a ! -n "${removing}" ] ; then
4101d868 RP	600	cd ${hostsubdir}
4101d868 RP	601	cat > GNUmakefile << E!O!F
5a168a17	602	# Makefile generated by configure for host ${host_alias}.
4101d868 RP	603
	604	ALL := $(shell ls -d Target-*)
	605
	606	%:
	607	$(foreach subdir,$(ALL),$(MAKE) -C $(subdir) \$@ &&) true
	608
	609	all:
	610	E!O!F
	611	cd ..
	612	fi
3f86071f RP	613	done # for each host
3f86071f RP	614
3f86071f RP	615	exit 0
3f86071f RP	616
3f86071f RP	617	#
	618	# Local Variables:
	619	# fill-column: 131
	620	# End:
	621	#
	622
5a168a17	623	# end of configure