Delete debugging -x's.
[deliverable/binutils-gdb.git] / configure
index 34968eb715807491d9684269b9e1ad4d8880be2c..a86251fa3c6cad6beff828582cb43db25944c011 100755 (executable)
--- a/configure
+++ b/configure
@@ -1,14 +1,9 @@
-#!/bin/sh
-# Please do not edit this file.  It is generated automatically from
-# configure.in and a configure template.
-configdirs=
-
 #!/bin/sh
 
-# Configuration script template
-#   Copyright (C) 1988, 1990, 1991 Free Software Foundation, Inc.
+### WARNING: this file contains embedded tabs.  Do not run untabify on this file.
 
-#This file is part of GNU.
+# Configuration script
+# Copyright (C) 1988, 90, 91, 92, 93, 94 Free Software Foundation, Inc.
 
 # 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
@@ -22,9 +17,9 @@ configdirs=
 # 
 # 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.  */
+# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
 
-# $Id$
+# This file was originally written by K. Richard Pixley.
 
 #
 # Shell script to create proper links to machine-dependent files in
@@ -32,9 +27,11 @@ configdirs=
 #
 # If configure succeeds, it leaves its status in config.status.
 # If configure fails after disturbing the status quo, 
-#      config.status is removed.
+#       config.status is removed.
 #
 
+export PATH || (echo "OOPS, this isn't sh.  Desperation time.  I will feed myself to sh."; sh $0 $argv; kill $$)
+
 remove=rm
 hard_link=ln
 symbolic_link='ln -s'
@@ -44,133 +41,365 @@ symbolic_link='ln -s'
 #hard_link="echo ln"
 #symbolic_link="echo ln -s"
 
-progname=$0
-
 # clear some things potentially inherited from environment.
-ansi=
-defaulttargets=
-destdir=
-fatal=
-hostsubdir=
+
 Makefile=Makefile
 Makefile_in=Makefile.in
+arguments=$*
+build_alias=
+cache_file=
+cache_file_option=
+configdirs=
+exec_prefix=
+exec_prefixoption=
+fatal=
+floating_point=default
+gas=default
+host_alias=NOHOST
+host_makefile_frag=
+moveifchange=
 norecursion=
-recurring=
+other_options=
+package_makefile_frag=
+prefix=/usr/local
+progname=
+program_prefix=
+program_prefixoption=
+program_suffix=
+program_suffixoption=
+program_transform_name=
+program_transform_nameoption=
+redirect=">/dev/null"
 removing=
+site=
+site_makefile_frag=
+site_option=
 srcdir=
 srctrigger=
-target=
-targets=
-commontargets=
-targetsubdir=
-template=
-verbose=
-
-for arg in $*;
+subdirs=
+target_alias=NOTARGET
+target_makefile_frag=
+undefs=NOUNDEFS
+version="$Revision$"
+x11=default
+
+### we might need to use some other shell than /bin/sh for running subshells
+#
+config_shell=${CONFIG_SHELL-/bin/sh}
+
+NO_EDIT="This file was generated automatically by configure.  Do not edit."
+
+## this is a little touchy and won't always work, but...
+##
+## if the argv[0] starts with a slash then it is an absolute name that can (and
+## must) be used as is.
+##
+## otherwise, if argv[0] has no slash in it, we can assume that it is on the
+## path.  Since PATH might include "." we also add `pwd` to the end of PATH.
+##
+
+progname=$0
+# if PWD already has a value, it is probably wrong.
+if [ -n "$PWD" ]; then PWD=`pwd`; fi
+
+case "${progname}" in
+/*) ;;
+*/*) ;;
+*)
+        PATH=$PATH:${PWD=`pwd`} ; export PATH
+        ;;
+esac
+
+# Loop over all args
+
+while :
 do
-       case ${arg} in
-       -ansi | +a*)
-               ansi=true
-               clib=clib
+
+# Break out if there are no more args
+       case $# in
+       0)
+               break
                ;;
-       -destdir=* | +destdir=* | +destdi=* | +destd=* | +dest=* | +des=* | +de=* | +d=*)
-               destdir=`echo ${arg} | sed 's/[+-]d[a-z]*=//'`
+       esac
+
+# Get the first arg, and shuffle
+       option=$1
+       shift
+
+# Make all options have two hyphens
+       orig_option=$option     # Save original for error messages
+       case $option in
+       --*) ;;
+       -*) option=-$option ;;
+       esac
+               
+# Split out the argument for options that take them
+       case $option in
+       --*=*)
+               optarg=`echo $option | sed -e 's/^[^=]*=//'`
+               ;;
+# These options have mandatory values.  Since we didn't find an = sign,
+# the value must be in the next argument
+       --b* | --cache* | --ex* | --ho* | --pre* | --program-p* | --program-s* | --program-t* | --si* | --sr* | --ta* | --tm* | --x-*)
+               optarg=$1
+               shift
                ;;
-       -languages=* | +languages=* | +language=* | +languag=* \
-               | +langua=* | +langu=* | +lang=* | +lan=* | +la=* \
-               | +l=*)
-               languages="${languages} `echo ${arg} | sed 's/[+-]l[a-z]*=//'`"
+       esac
+
+# Now, process the options
+       case $option in
+
+       --build* | --b*)
+               case "$build_alias" in
+               "") build_alias=$optarg ;;
+               *) echo '***' Can only configure for one build machine at a time.  1>&2
+                  fatal=yes
+                  ;;
+               esac
                ;;
-       -gas | +g*)
+       --cache*)
+               cache_file=$optarg
+               ;;
+       --disable-*)
+               enableopt=`echo ${option} | sed 's:^--disable-:enable_:;s:-:_:g'`
+               eval $enableopt=no
+               disableoptions="$disableoptions $option"
+               ;;
+       --enable-*)
+               case "$option" in
+               *=*)    ;;
+               *)      optarg=yes ;;
+               esac
+
+               enableopt=`echo ${option} | sed 's:^--::;s:=.*$::;s:-:_:g'`
+               eval $enableopt="$optarg"
+               enableoptions="$enableoptions $option"
+               ;;
+       --exec-prefix* | --ex*)
+               exec_prefix=$optarg
+               exec_prefixoption="--exec-prefix=$optarg"
+               ;;
+       --gas | --g*)
                gas=yes
                ;;
-       -help | +h*)
-               fatal=true
+       --help | --he*)
+               fatal=yes
                ;;
-       -nfp | +nf*)
-               nfp=yes
+       --host* | --ho*)
+               case $host_alias in
+               NOHOST) host_alias=$optarg ;;
+               *) echo '***' Can only configure for one host at a time.  1>&2
+                  fatal=yes
+                  ;;
+               esac
                ;;
-       -norecursion | +no*)
-               norecursion=true
+       --nfp | --nf*)
+               floating_point=no
                ;;
-       -recurring | +recurring | +recurrin | +recurri | +recurr | +recur | +recu | +rec | +re)
-               recurring=true
+       --norecursion | --no*)
+               norecursion=yes
                ;;
-       -rm | +rm)
-               removing=${arg}
+       --prefix* | --pre*)
+               prefix=$optarg
+               prefixoption="--prefix=$optarg"
                ;;
-#      -srcdir=* | +srcdir=* | +srcdi=* | +srcd=* | +src=* | +sr=* | +s=*)
-#              srcdir=`echo ${arg} | sed 's/[+-]s[a-z]*=//'`
-#              ;;
-       -subdirs | +f* | +su*)
-               subdirs=${arg}
+       --program-prefix* | --program-p*)
+               program_prefix=$optarg
+               program_prefixoption="--program-prefix=$optarg"
                ;;
-       -target=* | +target=* | +targe=* | +targ=* | +tar=* | +ta=*)
-               if [ -n "${targets}" ] ; then
-                       subdirs="+subdirs"
-               fi
-
-               newtargets="${targets} `echo ${arg} | sed 's/[+-]t[a-z]*=//'`"
-               targets="${newtargets}"
+       --program-suffix* | --program-s*)
+               program_suffix=$optarg
+               program_suffixoption="--program-suffix=$optarg"
+               ;;
+       --program-transform-name* | --program-t*)
+               # Double any backslashes or dollar signs in the argument
+               program_transform_name="${program_transform_name} -e `echo ${optarg} | sed -e 's/\\\\/\\\\\\\\/g' -e 's/\\\$/$$/g'`"
+               program_transform_nameoption="${program_transform_nameoption} --program-transform-name='$optarg'"
+               ;;
+       --rm)
+               removing=--rm
+               ;;
+       --silent | --sil* | --quiet | --q*)
+               redirect=">/dev/null"
+               verbose=--silent
+               ;;
+       --site* | --sit*)
+               site=$optarg
+               site_option="--site=$optarg"
+               ;;
+       --srcdir*/ | --sr*/)
+                # Remove trailing slashes.  Otherwise, when the file name gets
+                # bolted into an object file as debug info, it has two slashes
+                # in it.  Ordinarily this is ok, but emacs takes double slash
+                # to mean "forget the first part".
+               srcdir=`echo $optarg | sed -e 's:/$::'`
+               ;;
+       --srcdir* | --sr*)
+               srcdir=$optarg
+               ;;
+       --target* | --ta*)
+               case $target_alias in
+               NOTARGET) target_alias=$optarg ;;
+               *) echo '***' Can only configure for one target at a time.  1>&2
+                  fatal=yes
+                  ;;
+               esac
                ;;
-       -template=* | +template=* | +templat=* | +templa=* | +templ=* | +temp=* | +tem=* | +te=*)
-               template=`echo ${arg} | sed 's/[+-]template=//'`
+       --tmpdir* | --tm*)
+               TMPDIR=$optarg
+               tmpdiroption="--tmpdir=$optarg"
                ;;
-       -v | -verbose | +v*)
-               verbose=${arg}
+       --verbose | --v | --verb*)
+               redirect=
+               verbose=--verbose
                ;;
-       -* | +*)
-               (echo ;
-               echo "Unrecognized option: \"${arg}\"". ;
-               echo) 1>&2
-               fatal=true
+       --version | --V | --vers*)
+               echo "This is Cygnus Configure version" `echo ${version} | sed 's/[ $:]//g'`
+               exit 0
+               ;;
+       --with-*)
+               case "$option" in
+               *=*)    ;;
+               *)      optarg=yes ;;
+               esac
+
+               withopt=`echo ${option} | sed 's:^--::;s:=.*$::;s:-:_:g'`
+               eval $withopt="$optarg"
+               withoptions="$withoptions $option"
+               ;;
+       --without-*)
+               withopt=`echo ${option} | sed 's:^--::;s:out::;s:-:_:g'`
+               eval $withopt=no
+               withoutoptions="$withoutoptions $option"
+               ;;
+       --x)    with_x=yes
+               withoptions="$withoptions --with-x"
+               ;;
+       --x-i* | --x-l*) other_options="$other_options $orig_option"
+               ;;
+       --*)
+               echo "configure: Unrecognized option: \"$orig_option\"; use --help for usage." >&2
+               exit 1
                ;;
        *)
-               if [ -n "${hosts}" ] ; then
-                       subdirs="+subdirs"
-               fi
-
-               newhosts="${hosts} ${arg}"
-               hosts=${newhosts}
+               case $undefs in
+               NOUNDEFS) undefs=$option ;;
+               *) echo '***' Can only configure for one host and one target at a time.  1>&2
+                  fatal=yes
+                  ;;
+               esac
                ;;
        esac
 done
 
-if [ -n "${verbose}" ] ; then
-       echo `pwd`/configure $*
-fi
+# process host and target
 
-# 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
+# Do some error checking and defaulting for the host and target type.
+# The inputs are:
+#    configure --host=HOST --target=TARGET UNDEFS
+#
+# The rules are:
+# 1. You aren't allowed to specify --host, --target, and undefs at the
+#    same time.
+# 2. Host defaults to undefs.
+# 3. If undefs is not specified, then host defaults to the current host,
+#    as determined by config.guess.
+# 4. Target defaults to undefs.
+# 5. If undefs is not specified, then target defaults to host.
+
+case "${fatal}" in
+"")
+       # Make sure that host, target & undefs aren't all specified at the
+       # same time.
+       case $host_alias---$target_alias---$undefs in
+       NOHOST---*---* | *---NOTARGET---* | *---*---NOUNDEFS)
+               ;;
+       *) echo '***' Can only configure for one host and one target at a time.  1>&2
+          fatal=yes
+          break 2
+               ;;
+       esac
 
-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
+       # Now, do defaulting for host.
+       case $host_alias in
+       NOHOST)
+               case $undefs in
+               NOUNDEFS)
+                       # Neither --host option nor undefs were present.
+                       # Call config.guess.
+                       guesssys=`echo ${progname} | sed 's/configure$/config.guess/'`
+                       if host_alias=`${guesssys}`
+                       then
+                               # If the string we are going to use for
+                               # the target is a prefix of the string
+                               # we just guessed for the host, then
+                               # assume we are running native, and force
+                               # the same string for both target and host.
+                               case $target_alias in
+                               NOTARGET) ;;
+                               *)
+                                       if expr $host_alias : $target_alias >/dev/null
+                                       then
+                                               host_alias=$target_alias
+                                       fi
+                                       ;;
+                               esac
+                               echo "Configuring for a ${host_alias} host." 1>&2
+                               arguments="--host=$host_alias $arguments"
+                       else
+                               echo 'Config.guess failed to determine the host type.  You need to specify one.' 1>&2
+                               fatal=yes
+                       fi
+                       ;;
+               *)
+                       host_alias=$undefs
+                       ;;
+               esac
+       esac
 
+       # Do defaulting for target.  If --target option isn't present, default
+       # to undefs.  If undefs isn't present, default to host.
+       case $target_alias in
+       NOTARGET)
+               case $undefs in
+               NOUNDEFS)
+                       target_alias=$host_alias
+                       ;;
+               *)
+                       target_alias=$undefs
+                       ;;
+               esac
+       esac
+       ;;
+*) ;;
+esac
+
+if [ -n "${fatal}" -o "${host_alias}" = "help" ] ; then
+       exec 1>&2
+       echo Usage: configure [OPTIONS] [HOST]
+       echo
+       echo Options: [defaults in brackets]
+       echo ' --prefix=MYDIR            install into MYDIR [/usr/local]'
+       echo ' --exec-prefix=MYDIR       install host-dependent files into MYDIR [/usr/local]'
+       echo ' --help                    print this message [normal config]'
+       echo ' --build=BUILD             configure for building on BUILD [BUILD=HOST]'
+       echo ' --host=HOST               configure for HOST [determined via config.guess]'
+       echo ' --norecursion             configure this directory only [recurse]'
+       echo ' --program-prefix=FOO      prepend FOO to installed program names [""]'
+       echo ' --program-suffix=FOO      append FOO to installed program names [""]'
+       echo ' --program-transform-name=P transform installed names by sed pattern P [""]'
+       echo ' --site=SITE               configure with site-specific makefile for SITE'
+       echo ' --srcdir=DIR              find the sources in DIR [. or ..]'
+       echo ' --target=TARGET   configure for TARGET [TARGET=HOST]'
+       echo ' --tmpdir=TMPDIR   create temporary files in TMPDIR [/tmp]'
+       echo ' --nfp                     configure for software floating point [hard float]'
+       echo ' --with-FOO, --with-FOO=BAR package FOO is available (parameter BAR)'
+       echo ' --without-FOO             package FOO is NOT available'
+       echo ' --enable-FOO, --enable-FOO=BAR include feature FOO (parameter BAR)'
+       echo ' --disable-FOO             do not include feature FOO'
+       echo
+       echo 'Where HOST and TARGET are something like "sparc-sunos", "mips-sgi-irix5", etc.'
+       echo
        if [ -r config.status ] ; then
                cat config.status
        fi
@@ -178,567 +407,811 @@ if [ -n "${fatal}" -o "${hosts}" = "help" ] ; then
        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="libiberty bfd binutils bison gcc readline ld gas gnulib ${clib} gdb emacs make grep diff rcs gdbm cvs prms"
-srctrigger=README.configure
-srcname="gnu development package"
+configsub=`echo ${progname} | sed 's/configure$/config.sub/'`
+moveifchange=`echo ${progname} | sed 's/configure$/move-if-change/'`
 
-## 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
+# this is a hack.  sun4 must always be a valid host alias or this will fail.
+if ${configsub} sun4 >/dev/null 2>&1 ; then
+        true
+else
+        echo '***' cannot find config.sub.  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
+touch config.junk
+if ${moveifchange} config.junk config.trash ; then
+        true
+else
+        echo '***' cannot find move-if-change.  1>&2
+        exit 1
+fi
+rm -f config.junk config.trash
+
+case "${srcdir}" in
+"")
+        if [ -r configure.in ] ; then
+                srcdir=.
+        else
+                if [ -r ${progname}.in ] ; then
+                        srcdir=`echo ${progname} | sed 's:/configure$::'`
+                else
+                        echo '***' "Can't find configure.in.  Try using --srcdir=some_dir"  1>&2
+                        exit 1
+                fi
+        fi
+        ;;
+*) ;;
+esac
 
-               if [ -z "`grep '^# per\-target:' configure.in`" ] ; then
-                       echo '***' `pwd`/configure.in has no "per-target:" line. 1>&2
-                       exit 1
-               fi
+### warn about some conflicting configurations.
 
-               # 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:/,$d' configure.in > configure.tgt
-                 sed -e '1,/^# post\-target:/d' configure.in > configure.pos
-               else
-                 sed -e '1,/^# per\-target:/d' configure.in > configure.tgt
-                 echo >configure.pos
-               fi
+case "${srcdir}" in
+".") ;;
+*)
+        if [ -f ${srcdir}/config.status ] ; then
+                echo '***' Cannot configure here in \"${PWD=`pwd`}\" when \"${srcdir}\" is currently configured. 1>&2
+                exit 1
+        fi
+esac
 
-               # 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
+# default exec_prefix
+case "${exec_prefixoption}" in
+"") exec_prefix="\$(prefix)" ;;
+*) ;;
+esac
 
-               rm -f configure.com configure.tgt configure.hst configure.pos
-       else
-               echo Warning: no configure.in in `pwd`
-               cat ${template} >> configure
+### break up ${srcdir}/configure.in.
+case "`grep '^# per\-host:' ${srcdir}/configure.in`" in
+"")
+        echo '***' ${srcdir}/configure.in has no \"per-host:\" line. 1>&2
+       # Check for a directory that's been converted to use autoconf since
+       # it was last configured.
+       if grep AC_OUTPUT ${srcdir}/configure.in >/dev/null ; then
+         echo '***' Hmm, looks like this directory has been autoconfiscated. 1>&2
+         if [ -r ${srcdir}/configure ] ; then
+           echo '***' Running the local configure script. 1>&2
+           case "${cache_file}" in
+           "") cache_file_option= ;;
+           *)  cache_file_option="--cache-file=${cache_file}" ;;
+           esac
+           srcdiroption="--srcdir=${srcdir}"
+           case "${build_alias}" in
+           "") buildopt= ;;
+           *)  buildopt="--build=${build_alias}" ;;
+           esac
+           eval exec ${config_shell} ${srcdir}/configure ${verbose} \
+               ${buildopt} --host=${host_alias} --target=${target_alias} \
+               ${prefixoption} ${tmpdiroption} ${exec_prefixoption} \
+               ${srcdiroption} \
+               ${program_prefixoption} ${program_suffixoption} \
+               ${program_transform_nameoption} ${site_option} \
+               ${withoptions} ${withoutoptions} \
+               ${enableoptions} ${disableoptions} \
+               ${cache_file_option} ${removing} ${other_options} ${redirect}
+         else
+           echo '***' There is no configure script present though. 1>&2
+         fi
        fi
+        exit 1
+        ;;
+*) ;;
+esac
 
-       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
+case "`grep '^# per\-target:' ${srcdir}/configure.in`" in
+"")
+        echo '***' ${srcdir}/configure.in has no \"per-target:\" line. 1>&2
+        exit 1
+        ;;
+*) ;;
+esac
 
-       # 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
+case "${TMPDIR}" in
+"") TMPDIR=/tmp ; export TMPDIR ;;
+*) ;;
+esac
 
-               if [ -n "${verbose}" ] ; then
-                       echo Rebuilt config.sub in `pwd`
-               fi
-       fi
+# keep this filename short for &%*%$*# 14 char file names
+tmpfile=${TMPDIR}/cONf$$
+# Note that under many versions of sh a trap handler for 0 will *override* any
+# exit status you explicitly specify!  At this point, the only non-error exit
+# is at the end of the script; these actions are duplicated there, minus
+# the "exit 1".  Don't use "exit 0" anywhere after this without resetting the
+# trap handler, or you'll lose.
+trap "rm -f Makefile.tem ${tmpfile}.com ${tmpfile}.tgt ${tmpfile}.hst ${tmpfile}.pos; exit 1" 0 1 2 15
+
+# split ${srcdir}/configure.in into common, per-host, per-target,
+# and post-target parts.  Post-target is optional.
+sed -e '/^# per\-host:/,$d' ${srcdir}/configure.in > ${tmpfile}.com
+sed -e '1,/^# per\-host:/d' -e '/^# per\-target:/,$d' ${srcdir}/configure.in > ${tmpfile}.hst
+if grep '^# post-target:' ${srcdir}/configure.in >/dev/null ; then
+  sed -e '1,/^# per\-target:/d' -e '/^# post\-target:/,$d' ${srcdir}/configure.in > ${tmpfile}.tgt
+  sed -e '1,/^# post\-target:/d' ${srcdir}/configure.in > ${tmpfile}.pos
+else
+  sed -e '1,/^# per\-target:/d' ${srcdir}/configure.in > ${tmpfile}.tgt
+  echo >${tmpfile}.pos
+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
+### do common part of configure.in
 
-               while [ -n "${configdirs}" ] ; do
-                       # set configdir to car of configdirs, configdirs to cdr of configdirs
-                       set ${configdirs}; configdir=$1; shift; configdirs=$*
+. ${tmpfile}.com
 
-                       if [ "`echo ${configdir}.*`" != "${configdir}.*" ] ; then
-                               targetspecificdirs=${configdir}.*
-                       else
-                               targetspecificdirs=
-                       fi
+# some sanity checks on configure.in
+case "${srctrigger}" in
+"")
+        echo '***' srctrigger not set in ${PWD=`pwd`}/configure.in.  1>&2
+        exit 1
+        ;;
+*) ;;
+esac
 
-                       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 $i is missing.
-                                       fi
-                               fi
-                       done
-               done
+case "${build_alias}" in
+"")
+       if result=`${config_shell} ${configsub} ${host_alias}` ; then
+           build_cpu=`echo $result | sed 's/^\(.*\)-\(.*\)-\(.*\)$/\1/'`
+           build_vendor=`echo $result | sed 's/^\(.*\)-\(.*\)-\(.*\)$/\2/'`
+           build_os=`echo $result | sed 's/^\(.*\)-\(.*\)-\(.*\)$/\3/'`
+           build=${build_cpu}-${build_vendor}-${build_os}
+           build_alias=${host_alias}
+       fi
+       ;;
+*)
+       if result=`${config_shell} ${configsub} ${build_alias}` ; then
+           buildopt="--build=${build_alias}"
+           build_cpu=`echo $result | sed 's/^\(.*\)-\(.*\)-\(.*\)$/\1/'`
+           build_vendor=`echo $result | sed 's/^\(.*\)-\(.*\)-\(.*\)$/\2/'`
+           build_os=`echo $result | sed 's/^\(.*\)-\(.*\)-\(.*\)$/\3/'`
+           build=${build_cpu}-${build_vendor}-${build_os}
+       else
+           echo "Unrecognized build system name ${build_alias}." 1>&2
+           exit 1
        fi
+       ;;
+esac
 
-       exit 0
+if result=`${config_shell} ${configsub} ${host_alias}` ; then
+    true
+else
+    echo "Unrecognized host system name ${host_alias}." 1>&2
+    exit 1
 fi
-
-# some sanity checks on configure.in
-if [ -z "${srctrigger}" ] ; then
-       echo Warning: srctrigger not set in configure.in. `pwd` not configured.
-       exit 1
+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}
+
+. ${tmpfile}.hst
+
+if result=`${config_shell} ${configsub} ${target_alias}` ; then
+    true
+else
+    echo "Unrecognized target system name ${target_alias}." 1>&2
+    exit 1
 fi
-
-for host in ${hosts} ; do
-       # Default other arg
-       if [ -z "${targets}" -o -n "${defaulttargets}" ] ; then
-               targets=${host}
-               defaulttargets=true
-       fi
-
-       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-${host}
-
-#### configure.in per-host parts come in here.
-
-# XXX - FIXME there needs to be a case for hmake-dgux
-
-case "${host_os}" in
-sysv* | irix*) host_makefile_frag=config/hmake-sysv ;;
+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}
+
+. ${tmpfile}.tgt
+
+# Find the source files, if location was not specified.
+case "${srcdir}" in
+"")
+        srcdirdefaulted=1
+        srcdir=.
+        if [ ! -r ${srctrigger} ] ; then
+                srcdir=..
+        fi
+        ;;
+*) ;;
 esac
 
-## end of per-host part.
+if [ ! -r ${srcdir}/${srctrigger} ] ; then
+        case "${srcdirdefaulted}" in
+        "") echo '***' "${progname}: Can't find ${srcname} sources in ${PWD=`pwd`}/${srcdir}" 1>&2 ;;
+        *)  echo '***' "${progname}: Can't find ${srcname} sources in ${PWD=`pwd`}/. or ${PWD=`pwd`}/.." 1>&2 ;;
+        esac
 
-       for target in ${targets} ; do
+        echo '***' \(At least ${srctrigger} is missing.\) 1>&2
+        exit 1
+fi
 
-               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-${target}
+# Some systems (e.g., one of the i386-aix systems the gas testers are
+# using) don't handle "\$" correctly, so don't use it here.
+tooldir='$(exec_prefix)'/${target_alias}
+
+if [ "${host_alias}" != "${target_alias}" ] ; then
+    if [ "${program_prefixoption}" = "" ] ; then
+        if [ "${program_suffixoption}" = "" ] ; then 
+            if [ "${program_transform_nameoption}" = "" ] ; then
+                program_prefix=${target_alias}- ;
+            fi
+        fi
+    fi
+fi
 
-#### configure.in per-target parts come in here.
+# Merge program_prefix and program_suffix onto program_transform_name.
+# (program_suffix used to use $, but it's hard to preserve $ through both
+# make and sh.)
+if [ "${program_suffix}" != "" ] ; then
+    program_transform_name="-e s,\\\\(.*\\\\),\\\\1${program_suffix}, ${program_transform_name}"
+fi
 
-# XXX - FIXME there needs to be a case for tmake-a29k
+if [ "${program_prefix}" != "" ] ; then
+    program_transform_name="-e s,^,${program_prefix}, ${program_transform_name}"
+fi
 
-#
-# Local Variables:
-# fill-column: 131
-# End:
-#
-## end of per-target part.
+# If CC and CXX are not set in the environment, and the Makefile
+# exists, try to extract them from it.  This is to handle running
+# ./config.status by hand.
+if [ -z "${CC}" -a -r Makefile ]; then
+  sed -n -e ':loop
+/\\$/ N
+/\\$/ b loop
+s/\\\n//g
+/^CC[  ]*=/ s/CC[      ]*=[    ]*\(.*\)/\1/p' < Makefile > Makefile.cc
+  CC=`tail -1 Makefile.cc`
+  rm -f Makefile.cc
+fi
 
-               # Temporarily, we support only direct subdir builds.
-               hostsubdir=Host-${host}
-               targetsubdir=Target-${target}
+if [ -z "${CXX}" -a -r Makefile ]; then
+  sed -n -e ':loop
+/\\$/ N
+/\\$/ b loop
+s/\\\n//g
+/^CXX[         ]*=/ s/CXX[     ]*=[    ]*\(.*\)/\1/p' < Makefile > Makefile.cc
+  CXX=`tail -1 Makefile.cc`
+  rm -f Makefile.cc
+fi
 
-               if [ -n "${removing}" ] ; then
-                       if [ -n "${subdirs}" ] ; then
-                               if [ -d "${hostsubdir}" ] ; then
-                                       rm -rf ${hostsubdir}/${targetsubdir}
+if [ "${build}" != "${host}" ]; then
+  # If we are doing a Canadian Cross, in which the host and build systems
+  # are not the same, we set reasonable default values for the tools.
+
+  tools="AR AR_FOR_TARGET AS AS_FOR_TARGET BISON CC_FOR_BUILD"
+  tools="${tools} CC_FOR_TARGET CXX_FOR_TARGET HOST_PREFIX"
+  tools="${tools} HOST_PREFIX_1 LEX MAKEINFO NM NM_FOR_TARGET"
+  tools="${tools} RANLIB RANLIB_FOR_TARGET"
+
+  for var in ${tools}; do
+    if [ -z "`eval 'echo $'"${var}"`" -a -r Makefile ]; then
+      sed -n -e ':loop
+/\\$/ N
+/\\$/ b loop
+s/\\\n//g
+/^'"${var}"'[  ]*=/ s/'"${var}"'[      ]*=[    ]*\(.*\)/\1/p' \
+       < Makefile > Makefile.v
+      t=`tail -1 Makefile.v`
+      if [ -n "${t}" ]; then
+       eval "${var}='${t}'"
+      fi
+      rm -f Makefile.v
+    fi
+  done
+
+  AR=${AR-${host_alias}-ar}
+  AR_FOR_TARGET=${AR_FOR_TARGET-${target_alias}-ar}
+  AS=${AS-${host_alias}-as}
+  AS_FOR_TARGET=${AS_FOR_TARGET-${target_alias}-as}
+  CC=${CC-${host_alias}-gcc}
+  CXX=${CXX-${host_alias}-gcc}
+  CC_FOR_BUILD=${CC_FOR_BUILD-gcc}
+  CC_FOR_TARGET=${CC_FOR_TARGET-${target_alias}-gcc}
+  CXX_FOR_TARGET=${CXX_FOR_TARGET-${target_alias}-gcc}
+  HOST_PREFIX=${build_alias}-
+  HOST_PREFIX_1=${build_alias}-
+  MAKEINFO=${MAKEINFO-makeinfo}
+  NM=${NM-${host_alias}-nm}
+  NM_FOR_TARGET=${NM_FOR_TARGET-${target_alias}-nm}
+  RANLIB=${RANLIB-${host_alias}-ranlib}
+  RANLIB_FOR_TARGET=${RANLIB_FOR_TARGET-${target_alias}-ranlib}
+
+  if [ -z "${BISON}" ]; then
+    IFS="${IFS=        }"; save_ifs="$IFS"; IFS="${IFS}:"
+    for dir in $PATH; do
+      test -z "$dir" && dir=.
+      if test -f $dir/byacc; then
+       BISON=byacc
+       break
+      fi
+      if test -f $dir/bison; then
+       BISON=bison
+       break
+      fi
+      if test -f $dir/yacc; then
+       BISON=yacc
+       break
+      fi
+    done
+    IFS="$save_ifs"
+    BISON=${BISON-bison}
+  fi
+
+  if [ -z "${LEX}" ]; then
+    IFS="${IFS=        }"; save_ifs="$IFS"; IFS="${IFS}:"
+    for dir in $PATH; do
+      test -z "$dir" && dir=.
+      if test -f $dir/flex; then
+       LEX=flex
+       break
+      fi
+      if test -f $dir/lex; then
+       LEX=lex
+       break
+      fi
+    done
+    IFS="$save_ifs"
+    LEX=${LEX-flex}
+  fi
+
+  # Export variables which autoconf might try to set.
+  export AS
+  export AR
+  export CC_FOR_BUILD
+  export NM
+  export RANLIB
+else
+  # If CC is still not set, try to get gcc.
+  if [ -z "${CC}" ]; then
+    IFS="${IFS=        }"; save_ifs="$IFS"; IFS="${IFS}:"
+    for dir in $PATH; do
+      test -z "$dir" && dir=.
+      if test -f $dir/gcc; then
+       CC="gcc"
+       break
+      fi
+    done
+    IFS="$save_ifs"
+    CC=${CC-cc}
+  fi
+
+  CXX=${CXX-"g++ -O"}
+fi
 
-                                       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
+export CC
+export CXX
+
+for subdir in . ${subdirs} ; do
+
+    # ${subdir} is relative path from . to the directory we're currently
+    # configuring.
+    # ${invsubdir} is inverse of ${subdir), *with* trailing /, if needed.
+    invsubdir=`echo ${subdir}/ | sed -e 's|\./||g' -e 's|[^/]*/|../|g'`
+
+    ### figure out what to do with srcdir
+    case "${srcdir}" in
+        ".")  # no -srcdir option.  We're building in place.
+                makesrcdir=. ;;
+        /*) # absolute path
+                makesrcdir=`echo ${srcdir}/${subdir} | sed -e 's|/\.$||'`
+                ;;
+        *) # otherwise relative
+                case "${subdir}" in
+                .) makesrcdir=${srcdir} ;;
+                *) makesrcdir=${invsubdir}${srcdir}/${subdir} ;;
+                esac
+                ;;
+    esac
+
+    if [ "${subdir}/" != "./" ] ; then
+        Makefile=${subdir}/Makefile
+    fi
+
+    if [ ! -d ${subdir} ] ; then
+        if mkdir ${subdir} ; then
+                true
+        else
+                echo '***' "${progname}: could not make ${PWD=`pwd`}/${subdir}" 1>&2
+                exit 1
+        fi
+    fi
+
+    case "${removing}" in
+    "")
+        case "${subdir}" in
+        .) ;;
+        *) eval echo Building in ${subdir} ${redirect} ;;
+        esac
+
+        # FIXME Should this be done recursively ??? (Useful for e.g. gdbtest)
+        # Set up the list of links to be made.
+        # ${links} is the list of link names, and ${files} is the list of names to link to.
+
+        # Make the links.
+        configlinks="${links}"
+        if [ -r ${subdir}/config.status ] ; then
+                mv -f ${subdir}/config.status ${subdir}/config.back
+        fi
+        while [ -n "${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 \"${srcdir}/${file}\" does not exist." 1>&2
+                        exit 1
+                fi
+
+                ${remove} -f ${link}
+               # Make a symlink if possible, otherwise try a hard link
+               if ${symbolic_link} ${srcdir}/${file} ${link} >/dev/null 2>&1 ; then
+                       true
                else
-                       if [ -n "${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
+                       # We need to re-remove the file because Lynx leaves a 
+                       # very strange directory there when it fails an NFS symlink.
+                       ${remove} -r -f ${link}
+                       ${hard_link} ${srcdir}/${file} ${link}
+               fi
+                if [ ! -r ${link} ] ; then
+                        echo '***' "${progname}: unable to link \"${link}\" to \"${srcdir}/${file}\"." 1>&2
+                        exit 1
+                fi
+
+                echo "Linked \"${link}\" to \"${srcdir}/${file}\"."
+        done
+
+        # Create a .gdbinit file which runs the one in srcdir
+        # and tells GDB to look there for source files.
+
+        if [ -r ${srcdir}/${subdir}/.gdbinit ] ; then
+                case ${srcdir} in
+                .) ;;
+                *) cat > ${subdir}/.gdbinit <<EOF
+# ${NO_EDIT}
+dir ${makesrcdir}
+dir .
+source ${makesrcdir}/.gdbinit
+EOF
+                        ;;
+                esac
+        fi
+
+        # Install a makefile, and make it set VPATH
+        # if necessary so that the sources are found.
+        # Also change its value of srcdir.
+        # NOTE: Makefile generation constitutes the majority of the time in configure.  Hence, this section has
+        # been somewhat optimized and is perhaps a bit twisty.
+
+        # code is order so as to try to sed the smallest input files we know.
+
+        # the four makefile fragments MUST end up in the resulting Makefile in this order: 
+        # package, target, host, and site.  so do these separately because I don't trust the
+        #  order of sed -e expressions.
+
+        if [ -f ${srcdir}/${subdir}/${Makefile_in} ] ; then
+
+            # Conditionalize for this site from "Makefile.in" (or whatever it's called) into Makefile.tem
+            rm -f ${subdir}/Makefile.tem
+              case "${site}" in
+              "") cp ${srcdir}/${subdir}/${Makefile_in} ${subdir}/Makefile.tem ;;
+              *)
+                      site_makefile_frag=${srcdir}/config/ms-${site}
+
+                      if [ -f ${site_makefile_frag} ] ; then
+                              sed -e "/^####/  r ${site_makefile_frag}" ${srcdir}/${subdir}/${Makefile_in} \
+                                      > ${subdir}/Makefile.tem
+                      else
+                              cp ${srcdir}/${subdir}/${Makefile_in} ${subdir}/Makefile.tem
+                              site_makefile_frag=
+                      fi
+                      ;;
+            esac
+            # working copy now in ${subdir}/Makefile.tem
+
+            # Conditionalize the makefile for this host.
+            rm -f ${Makefile}
+            case "${host_makefile_frag}" in
+              "") mv ${subdir}/Makefile.tem ${Makefile} ;;
+              *)
+                      if [ ! -f ${host_makefile_frag} ] ; then
+                              host_makefile_frag=${srcdir}/${host_makefile_frag}
+                      fi
+                      if [ -f ${host_makefile_frag} ] ; then
+                              sed -e "/^####/  r ${host_makefile_frag}" ${subdir}/Makefile.tem > ${Makefile}
+                      else
+                              echo '***' Expected host makefile fragment \"${host_makefile_frag}\" 1>&2
+                              echo '***' is missing in ${PWD=`pwd`}. 1>&2
+                              mv ${subdir}/Makefile.tem ${Makefile}
+                      fi
+            esac
+            # working copy now in ${Makefile}
+
+            # Conditionalize the makefile for this target.
+            rm -f ${subdir}/Makefile.tem
+            case "${target_makefile_frag}" in
+              "") mv ${Makefile} ${subdir}/Makefile.tem ;;
+              *)
+                      if [ ! -f ${target_makefile_frag} ] ; then
+                              target_makefile_frag=${srcdir}/${target_makefile_frag}
+                      fi
+                      if [ -f ${target_makefile_frag} ] ; then
+                              sed -e "/^####/  r ${target_makefile_frag}" ${Makefile} > ${subdir}/Makefile.tem
+                      else
+                              mv ${Makefile} ${subdir}/Makefile.tem
+                              target_makefile_frag=
+                      fi
+                      ;;
+            esac
+            # real copy now in ${subdir}/Makefile.tem
+
+            # Conditionalize the makefile for this package.
+            rm -f ${Makefile}
+            case "${package_makefile_frag}" in
+              "") mv ${subdir}/Makefile.tem ${Makefile} ;;
+              *)
+                      if [ ! -f ${package_makefile_frag} ] ; then
+                              package_makefile_frag=${srcdir}/${package_makefile_frag}
+                      fi
+                      if [ -f ${package_makefile_frag} ] ; then
+                              sed -e "/^####/  r ${package_makefile_frag}" ${subdir}/Makefile.tem > ${Makefile}
+                             rm -f ${subdir}/Makefile.tem
+                      else
+                              echo '***' Expected package makefile fragment \"${package_makefile_frag}\" 1>&2
+                              echo '***' is missing in ${PWD=`pwd`}. 1>&2
+                              mv ${subdir}/Makefile.tem ${Makefile}
+                      fi
+            esac
+            # working copy now in ${Makefile}
+
+            mv ${Makefile} ${subdir}/Makefile.tem
+
+            # real copy now in ${subdir}/Makefile.tem
+
+            # prepend warning about editting, and a bunch of variables.
+            rm -f ${Makefile}
+            cat > ${Makefile} <<EOF
+# ${NO_EDIT}
+VPATH = ${makesrcdir}
+links = ${configlinks}
+host_alias = ${host_alias}
+host_cpu = ${host_cpu}
+host_vendor = ${host_vendor}
+host_os = ${host_os}
+host_canonical = ${host_cpu}-${host_vendor}-${host_os}
+target_alias = ${target_alias}
+target_cpu = ${target_cpu}
+target_vendor = ${target_vendor}
+target_os = ${target_os}
+target_canonical = ${target_cpu}-${target_vendor}-${target_os}
+EOF
+           case "${build}" in
+             "") ;;
+             *)  cat >> ${Makefile} << EOF
+build_alias = ${build_alias}
+build_cpu = ${build_cpu}
+build_vendor = ${build_vendor}
+build_os = ${build_os}
+build_canonical = ${build_cpu}-${build_vendor}-${build_os}
+EOF
+           esac
+
+            case "${package_makefile_frag}" in
+              "") ;;
+              /*) echo package_makefile_frag = ${package_makefile_frag} >>${Makefile} ;;
+              *)  echo package_makefile_frag = ${invsubdir}${package_makefile_frag} >>${Makefile} ;;
+            esac
+
+            case "${target_makefile_frag}" in
+              "") ;;
+              /*) echo target_makefile_frag = ${target_makefile_frag} >>${Makefile} ;;
+              *)  echo target_makefile_frag = ${invsubdir}${target_makefile_frag} >>${Makefile} ;;
+            esac
+
+            case "${host_makefile_frag}" in
+              "") ;;
+              /*) echo host_makefile_frag = ${host_makefile_frag} >>${Makefile} ;;
+              *)  echo host_makefile_frag = ${invsubdir}${host_makefile_frag} >>${Makefile} ;;
+            esac
+
+            if [ "${site_makefile_frag}" != "" ] ; then
+                echo site_makefile_frag = ${invsubdir}${site_makefile_frag} >>${Makefile}
+            fi 
+
+            # reset prefix, exec_prefix, srcdir, SUBDIRS, NONSUBDIRS,
+            # remove any form feeds.
+            if [ -z "${subdirs}" ]; then
+                rm -f ${subdir}/Makefile.tem2
+                sed -e "s:^SUBDIRS[    ]*=.*$:SUBDIRS = ${configdirs}:" \
+                    -e "s:^NONSUBDIRS[         ]*=.*$:NONSUBDIRS = ${noconfigdirs}:" \
+                    ${subdir}/Makefile.tem > ${subdir}/Makefile.tem2
+                rm -f ${subdir}/Makefile.tem
+                mv ${subdir}/Makefile.tem2 ${subdir}/Makefile.tem
+            fi
+            sed -e "s:^prefix[         ]*=.*$:prefix = ${prefix}:" \
+                    -e "s:^exec_prefix[        ]*=.*$:exec_prefix = ${exec_prefix}:" \
+                   -e "/^CC[   ]*=/{
+                       :loop1
+                       /\\\\$/ N
+                       /\\\\$/ b loop1
+                       s/\\\\\\n//g
+                       s%^CC[  ]*=.*$%CC = ${CC}%
+                       }" \
+                   -e "/^CXX[  ]*=/{
+                       :loop2
+                       /\\\\$/ N
+                       /\\\\$/ b loop2
+                       s/\\\\\\n//g
+                       s%^CXX[         ]*=.*$%CXX = ${CXX}%
+                       }" \
+                   -e "s:^SHELL[        ]*=.*$:SHELL = ${config_shell}:" \
+                    -e "s:^srcdir[     ]*=.*$:srcdir = ${makesrcdir}:" \
+                    -e "s/\f//" \
+                    -e "s:^program_prefix[     ]*=.*$:program_prefix = ${program_prefix}:" \
+                    -e "s:^program_suffix[     ]*=.*$:program_suffix = ${program_suffix}:" \
+                    -e "s:^program_transform_name[     ]*=.*$:program_transform_name = ${program_transform_name}:" \
+                    -e "s:^tooldir[    ]*=.*$:tooldir = ${tooldir}:" \
+                    ${subdir}/Makefile.tem >> ${Makefile}
+
+           # If this is a Canadian Cross, preset the values of many more
+           # tools.
+           if [ "${build}" != "${host}" ]; then
+               for var in ${tools}; do
+                   val=`eval 'echo $'"${var}"`
+                   sed -e "/^${var}[   ]*=/{
+                          :loop1
+                          /\\\\$/ N
+                          /\\\\$/ b loop1
+                          s/\\\\\\n//g
+                          s%^${var}[   ]*=.*$%${var} = ${val}%
+                          }" ${Makefile} > ${Makefile}.tem
+                   mv -f ${Makefile}.tem ${Makefile}
+               done
+           fi
+
+            # final copy now in ${Makefile}
+
+        else
+           echo "No Makefile.in found in ${srcdir}/${subdir}, unable to configure" 1>&2
+        fi
+
+        rm -f ${subdir}/Makefile.tem
+
+        case "${host_makefile_frag}" in
+        "") using= ;;
+        *) using="and \"${host_makefile_frag}\"" ;;
+        esac
+
+        case "${target_makefile_frag}" in
+        "") ;;
+        *) using="${using} and \"${target_makefile_frag}\"" ;;
+        esac
+
+        case "${site_makefile_frag}" in
+        "") ;;
+        *) using="${using} and \"${site_makefile_frag}\"" ;;
+        esac
+
+        newusing=`echo "${using}" | sed 's/and/using/'`
+        using=${newusing}
+        echo "Created \"${Makefile}\" in" ${PWD=`pwd`} ${using}
+
+        . ${tmpfile}.pos
+
+        # describe the chosen configuration in config.status.
+        # Make that file a shellscript which will reestablish
+        # the same configuration.  Used in Makefiles to rebuild
+        # Makefiles.
+
+        case "${norecursion}" in
+        "") arguments="${arguments} --norecursion" ;;
+        *) ;;
+        esac
+
+        if [ ${subdir} = . ] ; then
+            echo "#!/bin/sh
+# ${NO_EDIT}
+# This directory was configured as follows:
+${progname}" ${arguments}  "
+# ${using}" > ${subdir}/config.new
+        else
+            echo "#!/bin/sh
+# ${NO_EDIT}
+# This directory was configured as follows:
+cd ${invsubdir}
+${progname}" ${arguments}  "
+# ${using}" > ${subdir}/config.new
+        fi
+        chmod a+x ${subdir}/config.new
+        if [ -r ${subdir}/config.back ] ; then
+                mv -f ${subdir}/config.back ${subdir}/config.status
+        fi
+        ${moveifchange} ${subdir}/config.new ${subdir}/config.status
+        ;;
+
+    *)  rm -f ${Makefile} ${subdir}/config.status ${links} ;;
+    esac
+done
 
-                       # 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 ${srcdir} in
-                       .)
+# If there are subdirectories, then recur. 
+if [ -z "${norecursion}" -a -n "${configdirs}" ] ; then 
+        for configdir in ${configdirs} ; do
+
+                if [ -d ${srcdir}/${configdir} ] ; then
+                        eval echo Configuring ${configdir}... ${redirect}
+                        case "${srcdir}" in
+                        ".") ;;
+                        *)
+                                if [ ! -d ./${configdir} ] ; then
+                                        if mkdir ./${configdir} ; then
+                                                true
+                                        else
+                                                echo '***' "${progname}: could not make ${PWD=`pwd`}/${configdir}" 1>&2
+                                                exit 1
+                                        fi
+                                fi
+                                ;;
+                        esac
+
+                        POPDIR=${PWD=`pwd`}
+                        cd ${configdir} 
+
+### figure out what to do with srcdir
+                        case "${srcdir}" in
+                        ".") newsrcdir=${srcdir} ;; # no -srcdir option.  We're building in place.
+                        /*) # absolute path
+                                newsrcdir=${srcdir}/${configdir}
+                                srcdiroption="--srcdir=${newsrcdir}"
+                                ;;
+                        *) # otherwise relative
+                                newsrcdir=../${srcdir}/${configdir}
+                                srcdiroption="--srcdir=${newsrcdir}"
+                                ;;
+                        esac
+
+                       # Handle --cache-file=../XXX
+                       case "${cache_file}" in
+                       "") # empty
+                               ;;
+                       /*) # absolute path
+                               cache_file_option="--cache-file=${cache_file}"
                                ;;
-                       *)
-                               echo "dir ." > .gdbinit
-                               echo "dir ${srcdir}" >> .gdbinit
-                               echo "source ${srcdir}/.gdbinit" >> .gdbinit
+                       *) # relative path
+                               cache_file_option="--cache-file=../${cache_file}"
                                ;;
                        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 = ${host}" >> ${Makefile}
-                       echo "target = ${target}" >> ${Makefile}
-
-                       if [ -n "${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
-                               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
-                               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
-
-                       if [ -f ${srcdir}/${target_makefile_frag} ] ; then
-                               if [ -z "${using}" ] ; then
-                                       andusing=" using \"${target_makefile_frag}\""
-                               else
-                                       andusing="${using} and \"${target_makefile_frag}\""
-                               fi
+### check for guested configure, otherwise fix possibly relative progname
+                        if [ -f ${newsrcdir}/configure ] ; then
+                                recprog=${newsrcdir}/configure
+                        elif [ -f ${newsrcdir}/configure.in ] ; then
+                                case "${progname}" in
+                                /*)     recprog=${progname} ;;
+                                *)      recprog=../${progname} ;;
+                                esac
                        else
-                               andusing=${using}
-                       fi
-
-                       if [ -n "${verbose}" -o -z "${recurring}" ] ; then
-                               echo "Created \"${Makefile}\"" in `pwd`${andusing}.
+                               eval echo No configuration information in ${configdir} ${redirect}
+                               recprog=
+                        fi
+
+### The recursion line is here.
+                       if [ ! -z "${recprog}" ] ; then
+                               if eval ${config_shell} ${recprog} ${verbose} ${buildopt} --host=${host_alias} --target=${target_alias} \
+                                       ${prefixoption} ${tmpdiroption} ${exec_prefixoption} \
+                                       ${srcdiroption} ${program_prefixoption} ${program_suffixoption} ${program_transform_nameoption} ${site_option} ${withoptions} ${withoutoptions} ${enableoptions} ${disableoptions} ${cache_file_option} ${removing} ${other_options} ${redirect} ; then
+                                       true
+                               else
+                                       echo Configure in `pwd` failed, exiting. 1>&2
+                                       exit 1
+                               fi
                        fi
 
-#### configure.in post-target parts come in here.
-
-## end of post-target part.
-
-                       if [ "${host}" = "${target}" ] ; then
-                               echo "Links are now set up for use with a ${target}." \
-                                       > config.status
-               #                       | tee ${srcdir}/config.status
-                       else
-                               echo "Links are now set up for host ${host} and target ${target}." \
-                                       > config.status
-               #                       | tee ${srcdir}/config.status
-                       fi
-
-                       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}.
-
-ALL := $(shell ls -d Target-*)
-
-%:
-       $(foreach subdir,$(ALL),$(MAKE) -C $(subdir) \$@ &&) true
+                        cd ${POPDIR}
+                fi
+        done
+fi
 
-all:
-E!O!F
-               cd ..
-       fi
-done # for each host
+# Perform the same cleanup as the trap handler, minus the "exit 1" of course,
+# and reset the trap handler.
+rm -f ${tmpfile}.com ${tmpfile}.tgt ${tmpfile}.hst ${tmpfile}.pos
+trap 0
 
 exit 0
 
-#
-# $Log$
-# Revision 1.39  1991/10/01 02:38:26  rich
-# Reword recurr.
-#
-# Revision 1.38  1991/09/20  01:03:38  grossman
-# configure +template to bring in irix stuff.
-#
-# Revision 1.37  1991/09/12  00:33:18  rich
-# Add gdbm.
-#
-# Revision 1.36  1991/08/31  03:54:36  rich
-# Welcome emacs to the mess.
-#
-# Revision 1.35  1991/08/26  04:29:31  rich
-# Welcome cvs to the big time.
-#
-# Revision 1.34  1991/08/25  23:40:23  rich
-# rcs enters the soup.
-#
-# Revision 1.33  1991/08/25  21:48:38  rich
-# Adding diff to the fray.
-#
-# Revision 1.32  1991/08/25  20:18:20  rich
-# Adding grep to the fray.
-#
-# Revision 1.31  1991/08/23  04:50:57  rich
-# Minor config polish.
-#
-# Revision 1.22  1991/08/23  03:31:43  rich
-# Minor polish & config mapping.
-#
-# Revision 1.30  1991/08/22  07:15:51  rich
-# Three part names, etc.
-#
-# Revision 1.29  1991/08/20  04:56:51  rich
-# revisiting error messages
-#
-# Revision 1.28  1991/08/16  19:22:17  rich
-# This is the commontargets change and should be considered
-# experimental.
-#
-# Revision 1.27  1991/08/08  01:14:13  rich
-# allow +f to stand in for +subdirs
-#
-# Revision 1.26  1991/08/07  19:21:32  rich
-# +forcesubdirs -> +subdirs
-#
-# Revision 1.25  1991/08/07  07:05:30  rich
-# Added make.
-#
-# Revision 1.24  1991/08/06  19:26:01  rich
-# revised option parsing.
-#
-# Revision 1.23  1991/08/06  19:12:32  rich
-# Host-level GNUmakefiles.
-#
-# Revision 1.22  1991/07/20  01:22:30  rich
-# propogate gdb changes and destdir fix
-#
-# Revision 1.21  1991/07/20  00:55:20  gnu
-# Roll in new configure that handles GDB.  Make sure that the "configure"
-# that is checked-in reflects the latest "configure.in", which includes gdb.
-#
-# Revision 1.9  1991/07/06  04:35:51  gnu
-# Fix bug in configure when iterating targets.
-# Depend on alldeps.mak, not ${srcdir}/alldeps.mak, so it can be found
-# in either spot.
-#
-# Revision 1.8  1991/07/05  00:04:58  gnu
-# Thu Jul  4 14:47:06 1991  John Gilmore  (gnu at cygint.cygnus.com)
-#
-#         * configure.in, Makefile.in:  Avoid rebuilding "depend" as much.
-#         Avoid declaring Makefile dependencies, because GNU Make stupidly
-#         tries to update it if we do.
-#
-#         * coffread.c:  Revise for minor changes to bfd internal coff
-#         indexes.
-#
-#         * configure:  If -template= is given a relative path, make it
-#         absolute before recurring in subdirectories.
-#
-# Revision 1.7  1991/07/04  15:59:46  gnu
-# Make gdb work with configure.  Only thing that doesn't work is the -list
-# option (as far as I know).
-#
-# Revision 1.6  1991/06/04  07:28:16  gnu
-# Change GDB over to GNU General Public License version 2.
-#
-# Revision 1.5  1991/05/19  07:26:54  rich
-# configure changes and -opcode.h movement.
-#
-# Revision 1.4  1991/05/19  00:16:45  rich
-# Configure for gdb.
-#
-# Revision 1.10  1991/05/04  00:58:38  rich
-# Fix program name bug.
-#
-# Revision 1.9  1991/05/03  19:14:18  rich
-# Changed getopt to libiberty, commented out an aborted attempt at host
-# level Makefiles because it caused errors on +rm, add a warning for
-# directories expected to be removed on +rm but that don't exist.
-#
-# Revision 1.8  1991/04/24  16:50:59  rich
-# Three staging checkpoint.
-#
-# Revision 1.7  1991/04/17  01:34:47  rich
-# Added getopt for binutils, fixed problem with host dependancies in
-# configure.template.
-#
-# Revision 1.6  1991/04/16  00:18:44  rich
-# Now handles multiple hosts and targets.
-#
-# Revision 1.5  1991/04/15  23:43:44  rich
-# Now handles multiple hosts and targets.
-#
-# Revision 1.4  1991/04/13  02:11:03  rich
-# Config cut 3.  We now almost install a29k.
-#
-# Revision 1.3  1991/04/11  02:41:54  rich
-# Cut 2 config.  Subdirs.
-#
-#
-#
-
 #
 # Local Variables:
 # fill-column: 131
 # End:
 #
 
-# end of configure.template
+# end of configure
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