Use new interfaces to native/target stuff.
[deliverable/binutils-gdb.git] / configure
index 1500f693f1055bb74336fdd828686a5913e717c5..1c27867a713018233acf0b285c0a7ccfca574c6e 100755 (executable)
--- a/configure
+++ b/configure
@@ -1,9 +1,7 @@
 #!/bin/sh
 
 # Configuration script
-#   Copyright (C) 1988, 1990, 1991 Free Software Foundation, Inc.
-
-#This file is part of GNU.
+#   Copyright (C) 1988, 1990, 1991, 1992 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
 # along with this program; if not, write to the Free Software
 # Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.  */
 
-# $Id$
-
 # Please email any bugs, comments, and/or additions to this file to:
 # configure@cygnus.com
 
+# This file was written by K. Richard Pixley.
+
 #
 # Shell script to create proper links to machine-dependent files in
 # preparation for compilation.
@@ -33,7 +31,7 @@
 #      config.status is removed.
 #
 
-# set -e
+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
@@ -48,170 +46,301 @@ symbolic_link='ln -s'
 
 Makefile=Makefile
 Makefile_in=Makefile.in
-ansi=
 arguments=$*
-commontargets=
 configdirs=
-defaulttargets=
-destdir=
+exec_prefix=
+exec_prefixoption=
 fatal=
-hostsubdir=
+floating_point=default
+gas=default
+host_alias=
+host_makefile_frag=
+moveifchange=
+next_host=
+next_prefix=
+next_site=
+next_srcdir=
+next_target=
+next_tmpdir=
 norecursion=
-objdir=
-objdiroption=
+prefix=/usr/local
 progname=
-recurring=
+program_prefix=
+program_prefixoption=
+program_suffix=
+program_suffixoption=
+program_transform_name=
+program_transform_nameoption=
+redirect=">/dev/null"
 removing=
+site=
+site_makefile_frag=
+site_option=
 srcdir=
 srctrigger=
-target=
-targets=
-targetsubdir=
-verbose=
+subdirs=
+target_alias=
+target_makefile_frag=
+undefinedargs=
+version="$Revision$"
+x11=default
 
-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 ${arg} | sed 's/[+-]l[a-z]*=//'`"
-               ;;
-       -gas | +g*)
-               gas=yes
-               ;;
-       -help | +h*)
-               fatal=true
-               ;;
-       -nfp | +nf*)
-               nfp=yes
-               ;;
-       -norecursion | +no*)
-               norecursion=true
-               ;;
-       -objdir=* | +objdir=* | +objdi=* | +objd=* | +obj=* | +ob=* | +o=*)
-               objdiroption=${arg}
-               objdir=`echo ${arg} | sed 's/[+-]o[a-z]*=//'`
-               ;;
-       -recurring | +recurring | +recurrin | +recurri | +recurr | +recur | +recu | +rec | +re)
-               recurring=true
-               ;;
-       -rm | +rm)
-               removing=${arg}
-               ;;
-       -site=* | +site=* | +sit=* | +si=*)
-               site=`echo ${arg} | sed 's/[+-]s[a-z]*=//'`
-               ;;
-#      -srcdir=* | +srcdir=* | +srcdi=* | +srcd=* | +src=* | +sr=*)
-#              srcdir=`echo ${arg} | sed 's/[+-]s[a-z]*=//'`
-#              ;;
-       -subdirs | +su*)
-               subdirs=${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}"
-               ;;
-       -tmpdir=* | +tmpdir=* | +tmpdi=* | +tmpd=* | +tmp=* | +tm=*)
-               tmpdiroption=${arg}
-               TMPDIR=`echo ${arg} | sed 's/[+-]t[a-z]*=//'`
-               ;;
-       -v | -verbose | +v*)
-               verbose=${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 $0 $*
-fi
+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 be
-## used as is.
+## 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.
 ##
-## otherwise we prepend `pwd` to $0 and hope that will give us an absolute
-## path.
-##
 
-if (echo $0 | grep '^/' > /dev/null) ; then
-       progname=$0
-else
-       if (echo $0 | grep '/' > /dev/null) ; then
-               progname=`pwd`/$0
-       else
-               progname=$0
-               PATH=$PATH:`pwd` ; export PATH
-       fi
-fi
+progname=$0
+PWD=`pwd`
 
-configsub=`echo ${progname} | sed 's/configure\$/config.sub/'`
+case "${progname}" in
+/*) ;;
+*/*) ;;
+*)
+       PATH=$PATH:${PWD=`pwd`} ; export PATH
+       ;;
+esac
 
-if [ ! -f ${configsub} ] ; then
-       echo '***' cannot find config.sub.
-       echo 1
-fi
+for arg in $*;
+do
+       # handle things that might have args following as separate words
+       if [ -n "${next_prefix}" ] ; then prefix=${arg} ; prefixoption="-prefix=${prefix}" ; next_prefix=
+       elif [ -n "${next_exec_prefix}" ] ; then
+               exec_prefix=${arg}
+               exec_prefixoption="-exec_prefix=${exec_prefix}"
+               next_exec_prefix=
+       elif [ -n "${next_site}" ] ; then site=${arg} ; site_option=-site=${site} ; next_site=
+       # remove any possible trailing slash from srcdir.  See note below.
+       elif [ -n "${next_srcdir}" ] ; then srcdir=`echo ${arg} | sed -e 's:/$::'` ; next_srcdir=
+       elif [ -n "${next_program_prefix}" ] ; then
+               program_prefix=${arg}
+               program_prefixoption="-program_prefix=${program_prefix}"
+               next_program_prefix=
+       elif [ -n "${next_program_suffix}" ] ; then
+               program_suffix=${arg}
+               program_suffixoption="-program_suffix=${program_suffix}"
+               next_program_suffix=
+       elif [ -n "${next_program_transform_name}" ] ; then
+               # Double any backslashes or dollar signs in the argument
+               program_transform_name="${program_transform_name} -e `echo ${arg} | sed -e 's/\\\\/\\\\\\\\/g' -e 's/\\\$/$$/g'`"
+               program_transform_nameoption="${program_transform_nameoption} -program_transform_name='${arg}'"
+               next_program_transform_name=
+       elif [ -n "${next_target}" ] ; then
+               next_target=
+               case "${target_alias}" in
+               "")
+                       target_alias="${arg}"
+                       ;;
+               *)
+                       echo '***' Can only configure for one target at a time.  1>&2
+                       fatal=yes
+                       ;;
+               esac
+       elif [ -n "${next_tmpdir}" ] ; then
+               next_tmpdir=
+               tmpdiroption="--tmpdir=${arg}"
+               TMPDIR=${arg}
 
-# process host and target only if not removing.
-if [ -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
+       else
+               case ${arg} in
+               -exec_prefix=* | --exec_prefix=* | --exec_prefi=* | --exec_pref=* | --exec_pre=* | --exec_pr=* | --exec_p=* | --exec_=* | --exec=* | --exe=* | --ex=* | --e=*)
+                       exec_prefix=`echo ${arg} | sed 's/^[-a-z_]*=//'`
+                       exec_prefixoption=${arg}
+                       ;;
+               -exec_prefix | --exec_prefix | --exec_prefi | --exec_pref | --exec_pre | --exec_pr | --exec_p | --exec_ | --exec | --exe | --ex | --e)
+                       next_exec_prefix=yes
+                       ;;
+               -gas | --g*)
+                       gas=yes
+                       ;;
+               -help | --he*)
+                       fatal=true
+                       ;;
+               -host=* | --host=* | --hos=* | --ho=*)
+                       case "${host_alias}" in
+                       "")
+                               host_alias="`echo ${arg} | sed 's/^[-a-z]*=//'`"
+                               ;;
+                       *)
+                               echo '***' Can only configure for one host at a time.  1>&2
+                               fatal=yes
+                               ;;
+                       esac
+                       ;;
+               -nfp | --nf*)
+                       floating_point=no
+                       ;;
+               -norecursion | --no*)
+                       norecursion=true
+                       ;;
+               -prefix=* | --prefix=* | --prefi=* | --pref=* | --pre=*)
+                       prefix=`echo ${arg} | sed 's/^[-a-z]*=//'`
+                       prefixoption=${arg}
+                       ;;
+               -prefix | --prefix | --prefi | --pref | --pre)
+                       next_prefix=yes
+                       ;;
+               -rm | --rm) removing=${arg} ;;
+               -program_prefix=* | --program_prefix=* | --program_prefi=* | --program_pref=* | --program_pre=* | --program_pr=* | --program_p=*)
+                       program_prefix=`echo ${arg} | sed 's/^[-a-z_]*=//'`
+                       program_prefixoption=${arg}
+                       ;;
+               -program_prefix | --program_prefix | --program_prefi | --program_pref | --program_pre | --program_pr | --program_p)
+                       next_program_prefix=yes
+                       ;;
+               -program_suffix=* | --program_suffix=* | --program_suffi=* | --program_suff=* | --program_suf=* | --program_su=* | --program_s=*)
+                       program_suffix=`echo ${arg} | sed 's/^[-a-z_]*=//'`
+                       program_suffixoption=${arg}
+                       ;;
+               -program_suffix | --program_suffix | --program_suffi | --program_suff | --program_suf | --program_su | --program_s )
+                       next_program_suffix=yes
+                       ;;
+               -program_transform_name=* | --program_transform_name=* | --program_transform_nam=* | --program_transform_na=* | --program_transform_n=* | --program_transform_=* | --program_transform=* | --program_transfor=* | --program_transfo=* | --program_transf=* | --program_trans=* | --program_tran=* | --program_tra=* | --program_tr=* | --program_t=*)
+                       # Double any \ or $ in the argument
+                       program_transform_name="${program_transform_name} -e `echo ${arg} | sed -e 's/^[-a-z_]*=//' -e 's/\\\\/\\\\\\\\/g' -e 's/\\\$/$$/g'`"
+                       program_transform_nameoption="${program_transform_nameoption} -program_transform_name='`echo ${arg} | sed 's/^[-a-z_]*=//'`'"
+                       ;;
+               -program_transform_name | --program_transform_name | --program_transform_nam | --program_transform_na | --program_transform_n | --program_transform_ | --program_transform | --program_transfor | --program_transfo | --program_transf | --program_trans | --program_tran | --program_tra | --program_tr | --program_t)
+                       next_program_transform_name=yes
+                       ;;
+               -site=* | --site=* | --sit=* | --si=*)
+                       site_option=${arg}
+                       site=`echo ${arg} | sed 's/^[-a-z]*=//'`
+                       ;;
+               -site | --site | --sit)
+                       next_site=yes
+                       ;;
+               # 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=* | --srcdir=* | --srcdi=* | --srcd=* | --src=* | --sr=*)
+                       srcdir=`echo ${arg} | sed 's/^[-a-z]*=//' | sed -e 's:/$::'`
+                       ;;
+               -srcdir | --srcdir | --srcdi | --srcd | --src | --sr)
+                       next_srcdir=yes
+                       ;;
+               -target=* | --target=* | --targe=* | --targ=* | --tar=* | --ta=*)
+                       case "${target_alias}" in
+                       "") target_alias="`echo ${arg} | sed 's/^[-a-z]*=//'`" ;;
+                       *)
+                               echo '***' Can only configure for one target at a time.  1>&2
+                               fatal=yes
+                               ;;
+                       esac
+                       ;;
+               -target | --target | --targe | --targ | --tar | --ta)
+                       next_target=yes
+                       ;;
+               -tmpdir=* | --tmpdir=* | --tmpdi=* | --tmpd=* | --tmp=* | --tm=*)
+                       tmpdiroption=${arg}
+                       TMPDIR=`echo ${arg} | sed 's/^[-a-z]*=//'`
+                       ;;
+               -tmpdir | --tmpdir | --tmpdi | --tmpd | --tmp | --tm)
+                       next_tmpdir=yes
+                       ;;
+               -v | -verbose | --v)
+                       redirect=
+                       verbose=-v
+                       ;;
+               -version | -V | --version | --V)
+                       echo "This is Cygnus Configure version" `echo ${version} | sed 's/[ $:]//g'`
+                       exit 0
+                       ;;
+               -x | --x) ;;
+               -* | --*)
+                       (echo ;
+                       echo "Unrecognized option: \"${arg}\"". ;
+                       echo) 1>&2
+                       fatal=true
+                       ;;
+               *)
+                       case "${undefs}" in
+                       "")
+                               undefs="${arg}"
+                               ;;
+                       *)
+                               echo '***' Can only configure for one host and one target at a time.  1>&2
+                               fatal=yes
+                               ;;
+                       esac
+                       ;;
+               esac
        fi
-fi
+done
 
-if [ -n "${fatal}" -o "${hosts}" = "help" ] ; then
+# process host and target
+case "${fatal}" in
+"")
+#      # Complain if an arg is missing
+#      if [ -z "${host_alias}" ] ; then
+#              (echo ;
+#              echo "configure: No HOST specified." ;
+#              echo) 1>&2
+#              fatal=true
+#      fi
+
+### This is a bit twisted.
+### * if all three are specified, this is an error.
+### * if we have neither hosts, nor unadorned args, this is an error.
+### * if no hosts are specified, then the unadorned args are hosts, but if
+### there were none, this is an error.
+### * if no targets are specified, then the unadorned args are targets, but if
+### there were no unadorned args, then the hosts are also targets.
+
+       if [ -n "${host_alias}" -a -n "${target_alias}" -a -n "${undefs}" ] ; then
+               echo '***' Can only configure for one host and one target at a time.  1>&2
+               fatal=yes
+       elif [ -z "${host_alias}" -a -z "${undefs}" ] ; then
+               echo '***' You must tell me for which host you want to configure.  1>&2
+               fatal=yes
+       else
+               case "${host_alias}" in
+               "") host_alias=${undefs} ;;
+               *) ;;
+               esac
+
+               case "${target_alias}" in
+               "")
+                       case "${undefs}" in
+                       "")     target_alias=${host_alias} ;;
+                       *)      target_alias=${undefs} ;;
+                       esac
+                       ;;
+               *) ;;
+               esac
+       fi
+       ;;
+*) ;;
+esac
+
+if [ -n "${fatal}" -o "${host_alias}" = "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 " +gas             configure the compilers for use with gas. [native as]" ;
-       echo " +help            print this message. [normal config]" ;
-       echo " +lang=LANG       configure to build LANG. [gcc]" ;
-       echo " +nfp             configure the compilers default to soft floating point. [hard float]" ;
-       echo " +norecursion     configure this directory only. [recurse]" ;
-       echo " +objdir=ODIR     configure in a parallel tree rooted in ODIR. [rooted in \".\"]" ;
-       echo " +rm              remove this configuration. [build a configuration]" ;
-       echo " +subdirs         configure in subdirectories.  [in source directories]" ;
-       echo " +target=TARGET   configure for TARGET.  [TARGET = HOST]" ;
-       echo " +tmpdir=TMPDIR   create temporary files in TMPDIR.  [ TMPDIR = \"/tmp\" ]" ;
+       echo " -exec_prefix=MYDIR       configure for installation of host dependent files into MYDIR. [\"/usr/local\"]" ;
+       echo " -gas                     configure the compilers for use with gas. [native as]" ;
+       echo " -help                    print this message. [normal config]" ;
+       echo " -lang=LANG               configure to build LANG. [gcc]" ;
+       echo " -nfp                     configure the compilers default to soft floating point. [hard float]" ;
+       echo " -norecursion             configure this directory only. [recurse]" ;
+       echo " -prefix=MYDIR            configure for installation of host dependent files into MYDIR. [\"/usr/local\"]" ;
+       echo " -program_prefix=FOO      install programs with FOO prepended to their names. [ \"\" ]" ;
+       echo " -program_suffix=FOO      install programs with FOO appended to their names. [ \"\" ]" ;
+       echo " -program_transform_name=FOO      install programs with names transformed by sed pattern FOO. [ \"\" ]" ;
+       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.  [ TMPDIR = \"/tmp\" ]" ;
        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
+       ) 1>&2
 
        if [ -r config.status ] ; then
                cat config.status
@@ -220,433 +349,505 @@ if [ -n "${fatal}" -o "${hosts}" = "help" ] ; then
        exit 1
 fi
 
-### break up configure.in.
-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
+configsub=`echo ${progname} | sed 's/configure$/config.sub/'`
+moveifchange=`echo ${progname} | sed 's/configure$/move-if-change/'`
 
-       if [ -z "`grep '^# per\-target:' configure.in`" ] ; then
-               echo '***' `pwd`/configure.in has no "per-target:" line. 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
 
-       if [ -z "${TMPDIR}" ] ; then
-               TMPDIR=/tmp ; export TMPDIR
-       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
 
-       # split configure.in into common, per-host, per-target,
-       # and post-target parts.  Post-target is optional.
-       sed -e '/^# per\-host:/,$d' configure.in > ${TMPDIR}/configure.$$.com
-       sed -e '1,/^# per\-host:/d' -e '/^# per\-target:/,$d' configure.in > ${TMPDIR}/configure.$$.hst
-       if grep -s '^# post-target:' configure.in ; then
-         sed -e '1,/^# per\-target:/d' -e '/^# post\-target:/,$d' configure.in > ${TMPDIR}/configure.$$.tgt
-         sed -e '1,/^# post\-target:/d' configure.in > ${TMPDIR}/configure.$$.pos
+case "${srcdir}" in
+"")
+       if [ -r configure.in ] ; then
+               srcdir=.
        else
-         sed -e '1,/^# per\-target:/d' configure.in > ${TMPDIR}/configure.$$.tgt
-         echo >${TMPDIR}/configure.$$.pos
+               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
 
-else
-       echo '***' No configure.in in `pwd`
+### warn about some conflicting configurations.
+
+case "${srcdir}" in
+".") ;;
+*)
+       if [ -f ${srcdir}/config.status ] ; then
+               echo '***' Cannot configure here in \"${PWD=`pwd`}\" when \"${srcdir}\" is currently configured. 1>&2
+               exit 1
+       fi
+esac
+
+# default exec_prefix
+case "${exec_prefix}" in
+"") exec_prefix="\$(prefix)" ;;
+*) ;;
+esac
+
+### break up ${srcdir}/configure.in.
+case "`grep '^# per\-host:' ${srcdir}/configure.in`" in
+"")
+       echo '***' ${srcdir}/configure.in has no "per-host:" line. 1>&2
+       exit 1
+       ;;
+*) ;;
+esac
+
+case "`grep '^# per\-target:' ${srcdir}/configure.in`" in
+"")
+       echo '***' ${srcdir}/configure.in has no "per-target:" line. 1>&2
        exit 1
+       ;;
+*) ;;
+esac
+
+case "${TMPDIR}" in
+"") TMPDIR=/tmp ; export TMPDIR ;;
+*) ;;
+esac
+
+# keep this filename short for &%*%$*# 14 char file names
+tmpfile=${TMPDIR}/cONf$$
+trap "rm -f ${tmpfile}.com ${tmpfile}.tgt ${tmpfile}.hst ${tmpfile}.pos" 0
+
+# 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
 
 ### do common part of configure.in
 
-. ${TMPDIR}/configure.$$.com
+. ${tmpfile}.com
 
 # some sanity checks on configure.in
-if [ -z "${srctrigger}" ] ; then
-       echo '***' srctrigger not set in `pwd`/configure.in.
+case "${srctrigger}" in
+"")
+       echo '***' srctrigger not set in ${PWD=`pwd`}/configure.in.  1>&2
        exit 1
-fi
-
-for host in ${hosts} ; do
-       # Default other arg
-       if [ -z "${targets}" -o -n "${defaulttargets}" ] ; then
-               targets=${host}
-               defaulttargets=true
+       ;;
+*) ;;
+esac
+
+result=`${configsub} ${host_alias}`
+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}
+
+. ${tmpfile}.hst
+
+result=`${configsub} ${target_alias}`
+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
+
+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
 
-       host_alias=${host}
-
-       result=`${configsub} ${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}
-
-       . ${TMPDIR}/configure.$$.hst
+       echo '***' \(At least ${srctrigger} is missing.\) 1>&2
+       exit 1
+fi
 
-       for target in ${targets} ; do
+tooldir="\$(libdir)/${target_alias}"
 
-               target_alias=${target}
-               result=`${configsub} ${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-${target}
+if [ "${host_alias}" != "${target_alias}" ] ; then
+    if [ "${program_prefix}" = "" ] ; then
+       if [ "${program_suffix}" = "" ] ; then 
+           if [ "${program_transform_name}" = "" ] ; then
+               program_prefix=${target_alias}- ;
+           fi
+       fi
+    fi
+fi
 
-               . ${TMPDIR}/configure.$$.tgt
+# Merge program_prefix and program_suffix onto program_transform_name
+# Use a double $ so that make ignores it
+if [ "${program_suffix}" != "" ] ; then
+    program_transform_name="-e s/\$\$/${program_suffix}/ ${program_transform_name}"
+fi
 
-               # Temporarily, we support only direct subdir builds.
-               hostsubdir=H-${host_alias}
-               targetsubdir=T-${target_alias}
+if [ "${program_prefix}" != "" ] ; then
+    program_transform_name="-e s/^/${program_prefix}/ ${program_transform_name}"
+fi
 
-               if [ -n "${removing}" ] ; then
-                       if [ -n "${objdir}" ] ; then
-                               echo '***' +rm not supported for +objdir.  Just \"rm -rf ${objdir}\" by hand.
-                               exit 1
-                       fi
+for subdir in . ${subdirs} ; do
 
-                       if [ -n "${subdirs}" ] ; then
-                               if [ -d "${hostsubdir}" ] ; then
-                                       rm -rf ${hostsubdir}/${targetsubdir}
+    # ${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'`
 
-                                       if [ -z "`(ls ${hostsubdir}) 2>&1 | grep T- | grep -v T-independent`" ] ; then
-                                               rm -rf ${hostsubdir}
-                                       fi
-                               else
-                                       echo Warning: no `pwd`/${hostsubdir} to remove.
-                               fi
-                       else
-                               rm -f ${Makefile} config.status ${links}
-                       fi
-               else
-                       if [ -n "${objdir}" ]; then
-                               srcdir=`pwd`
-                               cd ${objdir}
-                       fi
+    ### figure out what to do with srcdir
+    case "${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=`echo ${subdir} | sed -e 's:[^./][^./]*:..:g'`/${srcdir}/${subdir} ;;
+               esac
+               ;;
+    esac
 
-                       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 [ "${subdir}/" != "./" ] ; then
+       Makefile=${subdir}/Makefile
+    fi
 
-                               if [ ! -d ${hostsubdir} ] ; then mkdir ${hostsubdir} ; fi
-                               cd ${hostsubdir}
+    if [ ! -d ${subdir} ] ; then
+       mkdir ${subdir}
+    fi
 
-                               if [ ! -d ${targetsubdir} ] ; then
-                                       if [ -z "${commontargets}" ] ; then
-                                               mkdir ${targetsubdir}
-                                       else
-                                               if [ ! -d T-independent ] ; then
-                                                       mkdir T-independent
-                                               fi
+    case "${removing}" in
+    "")
+       case "${subdir}" in
+       .) ;;
+       *) eval echo Building in ${subdir} ${redirect} ;;
+       esac
 
-                                               ${symbolic_link} T-independent ${targetsubdir}
-                                       fi # if target independent
-                               fi # if no target dir yet
+       # 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.
 
-                               cd ${targetsubdir}
+       # Make the links.
+       configlinks="${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 \"${file}\" does not exist." 1>&2
+                       exit 1
+               fi
 
-                               if [ -z "${srcdir}" ] ; then
-                                       srcdir=../..
-                               fi
-                       else
-                               # if not subdir builds, then make sure none exist.
-                               if [ -n "`(ls .) 2>&1 | (grep H- ; true)`" ] ; then
-                                       echo '***' "Configured subdirs exist.  `pwd` not configured." 1>&2
-                                       exit 1
-                               else
-                                       true
-                               fi
-                       fi
+               ${remove} -f ${link}
+               # Make a symlink if possible, otherwise try a hard link
+               ${symbolic_link} ${srcdir}/${file} ${link} 2>/dev/null || ${hard_link} ${srcdir}/${file} ${link}
 
-                       # 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 [ ! -r ${link} ] ; then
+                       echo '***' "${progname}: unable to link \"${link}\" to \"${srcdir}/${file}\"." 1>&2
+                       exit 1
+               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 ${srcname} sources in `pwd`/. or `pwd`/.." 1>&2
-                               fi
+               echo "Linked \"${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 .
+dir ${makesrcdir}
+source ${makesrcdir}/.gdbinit
+EOF
+                       ;;
+               esac
+       fi
 
-                               echo '***' \(At least ${srctrigger} is missing.\) 1>&2
-                               exit 1
-                       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.
 
-                       # 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.
+       # code is order so as to try to sed the smallest input files we know.
 
-                       # 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=$1; shift; links=$*
+       # the three makefile fragments MUST end up in the resulting Makefile in this order: target, host, and site.
+       # so do these separately because I don't trust the order of sed -e expressions.
 
-                               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
+       # 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}
 
-                               ${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 [ -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
 
-                               if [ ! -r ${link} ] ; then
-                                       echo '***' "${progname}: unable to link \"${link}\" to \"${srcdir}/${file}\"." 1>&2
-                                       exit 1
-                               fi
+       # 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}
 
-                               if [ -n "${verbose}" ] ; then
-                                       echo "Linked \"${link}\" to \"${srcdir}/${file}\"."
-                               fi
-                       done
+       # 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
+
+       # 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}
+target_alias = ${target_alias}
+target_cpu = ${target_cpu}
+target_vendor = ${target_vendor}
+target_os = ${target_os}
+EOF
+       case "${target_makefile_frag}" in
+       "") ;;
+       /*)
+  echo target_makefile_frag = ${target_makefile_frag} >>${Makefile} ;;
+       *)
+  echo target_makefile_frag = ${invsubdir}${target_makefile_frag} >>${Makefile} ;;
+       esac
 
-                       # Create a .gdbinit file which runs the one in srcdir
-                       # and tells GDB to look there for source files.
+       case "${host_makefile_frag}" in
+       "") ;;
+       /*)
+  echo host_makefile_frag = ${host_makefile_frag} >>${Makefile} ;;
+       *)
+  echo host_makefile_frag = ${invsubdir}${host_makefile_frag} >>${Makefile} ;;
+       esac
 
-                       case ${srcdir} in
-                       .)
-                               ;;
-                       *)
-                               echo "dir ." > .gdbinit
-                               echo "dir ${srcdir}" >> .gdbinit
-                               echo "source ${srcdir}/.gdbinit" >> .gdbinit
-                               ;;
-                       esac
+       if [ "${site_makefile_frag}" != "" ] ; then
+           echo site_makefile_frag = ${invsubdir}${site_makefile_frag} >>${Makefile}
+       fi 
 
-                       # Install a makefile, and make it set VPATH
-                       # if necessary so that the sources are found.
-                       # Also change its value of srcdir.
+       # fixme: this shouldn't be in configure.
+       # Define macro CROSS_COMPILE in compilation if this is a cross-compiler.
+       case "${host_alias}" in
+       "${target_alias}")
+               echo "ALL=all.internal" >> ${Makefile}
+               ;;
+       *)
+               echo "CROSS=-DCROSS_COMPILE" >> ${Makefile}
+               echo "ALL=all.cross" >> ${Makefile}
+               ;;
+       esac
 
-               # 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.
+       # 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 = ${exec_prefix}:" \
+               -e "s:^srcdir[  ]*=.*$: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}
+       # final copy now in ${Makefile}
+
+       rm -f ${subdir}/Makefile.tem
+
+       case "${host_makefile_frag}" in
+       "") using= ;;
+       *) using="and \"${host_makefile_frag}\"" ;;
+       esac
 
-                       # 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" > ${Makefile}
-                       fi
+       case "${target_makefile_frag}" in
+       "") ;;
+       *) using="${using} and \"${target_makefile_frag}\"" ;;
+       esac
 
-                       # 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}" >> ${Makefile}
+       case "${site_makefile_frag}" in
+       "") ;;
+       *) using="${using} and \"${site_makefile_frag}\"" ;;
+       esac
 
-                       echo "target_alias = ${target_alias}" >> ${Makefile}
-                       echo "target_cpu = ${target_cpu}" >> ${Makefile}
-                       echo "target_vendor = ${target_vendor}" >> ${Makefile}
-                       echo "target_os = ${target_os}" >> ${Makefile}
+       newusing=`echo "${using}" | sed 's/and/using/'`
+       using=${newusing}
+       echo "Created \"${Makefile}\" in" ${PWD=`pwd`} ${using}
 
-                       if [ -n "${subdirs}" ] ; then
-                               (echo "subdir = /${hostsubdir}/${targetsubdir}" ;
-                                       echo "unsubdir = ../..") >> ${Makefile}
-                       else
-                               (echo "subdir =" ;
-                                       echo "unsubdir = .") >> ${Makefile}
-                       fi
+       . ${tmpfile}.pos
 
-               #       echo "workdir = `pwd`" >> ${Makefile}
-                       echo "VPATH = ${srcdir}" >> ${Makefile}
+       # describe the chosen configuration in config.status.
+       # Make that file a shellscript which will reestablish
+       # the same configuration.  Used in Makefiles to rebuild
+       # Makefiles.
 
-                       # add "Makefile.in" (or whatever it's called)
-                       cat ${srcdir}/${Makefile_in} >> ${Makefile}
+       case "${norecursion}" in
+       "") arguments="${arguments} -norecursion" ;;
+       *) ;;
+       esac
 
-                       # 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
+       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
+       ;;
 
-                       # 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
+    *) rm -f ${Makefile} ${subdir}/config.status ${links} ;;
+    esac
+done
 
-                       # Conditionalize the makefile for this site.
-                       if [ -n "${site}" ] ; then
-                               site_makefile_frag=smake-${site}
+# If there are subdirectories, then recur. 
+if [ -z "${norecursion}" -a -n "${configdirs}" ] ; then 
+       for configdir in ${configdirs} ; do
+               eval echo Configuring ${configdir}... ${redirect}
 
-                               if [ -f ${srcdir}/${site_makefile_frag} ] ; then
-                                       (echo "site_makefile_frag = ${srcdir}/${site_makefile_frag}" ; 
-                                               sed -e "/^####/  r ${srcdir}/${site_makefile_frag}" ${Makefile}) > Makefile.tem
-                                       mv Makefile.tem ${Makefile}
+               if [ -d ${srcdir}/${configdir} ] ; then
+                       case "${srcdir}" in
+                       ".") ;;
+                       *)
+                               if [ ! -d ./${configdir} ] ; then
+                                       mkdir ./${configdir}
                                fi
-                       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}
+                               ;;
+                       esac
 
-                       # remove any form feeds.
-                       sed -e "s/\f//" ${Makefile} > Makefile.tem
-                       mv Makefile.tem ${Makefile}
+                       POPDIR=${PWD=`pwd`}
+                       cd ${configdir} 
 
-                       using=
-                       if [ -f ${srcdir}/${host_makefile_frag} ] ; then
-                               using=" using \"${host_makefile_frag}\""
-                       fi
+### figure out what to do with srcdir
+                       case "${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
 
-                       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
                        else
-                               andusing=${using}
+                               case "${progname}" in
+                               /*)     recprog=${progname} ;;
+                               *)      recprog=../${progname} ;;
+                               esac
                        fi
 
-                       if [ -f ${srcdir}/${site_makefile_frag} ] ; then
-                               if [ -z "${andusing}" ] ; then
-                                       andandusing=" using \"${site_makefile_frag}\""
-                               else
-                                       andandusing="${andusing} and \"${site_makefile_frag}\""
-                               fi
+### The recursion line is here.
+                       if eval ${recprog} ${verbose} ${host_alias} -target=${target_alias} \
+                               ${prefixoption} ${tmpdiroption} ${exec_prefixoption} \
+                               ${srcdiroption} ${program_prefixoption} ${program_suffixoption} ${program_transform_nameoption} ${site_option} ${removing} ${redirect} ; then
+                               true
                        else
-                               andandusing=${using}
-                       fi
-
-                       if [ -n "${verbose}" -o -z "${recurring}" ] ; then
-                               echo "Created \"${Makefile}\"" in `pwd`${andandusing}.
-                       fi
-
-                       if [ -f ${TMPDIR}/configure.$$.pos ] ; then
-                               . ${TMPDIR}/configure.$$.pos
+                               exit 1
                        fi
 
-                       # 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
-# `pwd` was configured as follows:
-(cd ${srcdir} ; ${progname}" ${arguments} `if [ -z "${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 ${configdir} ] ; then
-                                       if [ -n "${objdir}" ] ; then
-                                               if [ ! -d ${objdir}/${configdir} ] ; then
-                                                       mkdir ${objdir}/${configdir}
-                                               fi
-                                       fi
-
-                                       (cd ${configdir} ;
-                                               ${progname} +recurring ${host_alias} +target=${target_alias} \
-                                                       ${verbose} ${subdirs} ${removing} +destdir=${destdir} \
-                                                       `if [ -n "${objdir}" ] ; then echo +objdir=${objdir}/${configdir} ; fi` \
-                                                       ${tmpdiroption}) \
-                                               | sed 's/^/     /'
-                               else
-                                       if [ -n "${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 "${removing}" ] ; then
-               push=`pwd`
-
-               if [ -n "${objdir}" ] ; then
-                       cd ${objdir}
+                       cd ${POPDIR}
+               else
+                       eval echo Warning: source directory \"${srcdir}/${configdir}\" is missing. ${redirect}
                fi
-
-               cd ${hostsubdir}
-               cat > GNUmakefile << E!O!F
-# Makefile generated by configure for host ${host_alias}.
-
-ALL := $(shell ls -d T-*)
-
-%:
-       $(foreach subdir,$(ALL),$(MAKE) -C $(subdir) \$@ &&) true
-
-all:
-E!O!F
-               cd ${push}
-       fi
-done # for each host
-
-### clean up.
-
-rm -f ${TMPDIR}/configure.$$.com ${TMPDIR}/configure.$$.tgt ${TMPDIR}/configure.$$.hst ${TMPDIR}/configure.$$.pos
+       done
+fi
 
 exit 0
 
-#
-#
-# $Log$
-# Revision 1.51  1991/10/08 06:07:58  wilson
-# Fix bug in smake- file code.
-#
-# Revision 1.50  1991/10/04  23:49:37  rich
-# Per's patch for my config.sub botch.
-#
-# Revision 1.49  1991/10/04  22:52:09  rich
-# Use john's heuristic for finding ourselves.  kinda like hare krishna.
-#
-# Revision 1.48  1991/10/02  13:17:28  rich
-# take out the set -e for now
-#
-# Revision 1.47  1991/10/02  10:02:23  rich
-# * temporary files in TMPDIR
-# * +objdir
-#
-# Revision 1.46  1991/10/02  06:29:53  rich
-# Added +site=foo option for naming site specific Makefile fragments.
-#
-# Revision 1.45  1991/10/02  06:15:13  rich
-# Removed +f option.  Used to stand for +forcesubdirs which is now
-# called +subdirs.
-#
-# Revision 1.44  1991/10/02  06:02:35  rich
-# Added rcs log line.
-#
-#
-#
-
 #
 # Local Variables:
 # fill-column: 131
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