* bfd.c (union tdata): Add nlm_obj_data;
[deliverable/binutils-gdb.git] / configure
index a7c5e5985dd8fe280732812d8d9699826e4cba77..6ddc1af9d42999a871b828e351746e2a1f178cd2 100755 (executable)
--- a/configure
+++ b/configure
@@ -1,9 +1,9 @@
 #!/bin/sh
 
-# Configuration script
-#   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, 1990, 1991, 1992, 1993 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.
 #
 # 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.
 #
 
-# NOTE: This script contains support for a Cygnus experimental feature, called
-# +subdirs, which is currently, tentatively, de-supported.
-
 export PATH || (echo "OOPS, this isn't sh.  Desperation time.  I will feed myself to sh."; sh $0 $argv; kill $$)
 
 remove=rm
@@ -51,246 +48,268 @@ symbolic_link='ln -s'
 
 Makefile=Makefile
 Makefile_in=Makefile.in
-ansi=
 arguments=$*
-commontargets=
 configdirs=
-datadir=
-datadiroption=
-defaulttargets=
+exec_prefix=
+exec_prefixoption=
 fatal=
 floating_point=default
 gas=default
-hosts=
-#hostsubdir=
-#namesubdir=
-next_prefix=
+host_alias=
+host_makefile_frag=
+moveifchange=
 next_host=
-#next_namesubdir=
-#next_objdir=
+next_prefix=
 next_site=
 next_srcdir=
 next_target=
 next_tmpdir=
 norecursion=
-#objdir=
-#objdiroption=
+package_makefile_frag=
 prefix=/usr/local
 progname=
-recurring=
+program_prefix=
+program_prefixoption=
+program_suffix=
+program_suffixoption=
+program_transform_name=
+program_transform_nameoption=
+redirect=">/dev/null"
 removing=
+site=
+site_makefile_frag=
+site_option=
 srcdir=
 srctrigger=
-target=
-targets=
-#targetsubdir=
+subdirs=
+target_alias=
+target_makefile_frag=
 undefinedargs=
-verbose=
+version="$Revision$"
 x11=default
 
-# or maybe grab from gcc/version.c
-version_path=
-next_version_path=
-
 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.
-##
 
-PWD=`pwd`
+progname=$0
+# if PWD already has a value, it is probably wrong.
+if [ -n "$PWD" ]; then PWD=`pwd`; fi
 
-if (echo $0 | grep '^/' > /dev/null) ; then
-       progname=$0
-elif (echo $0 | grep '/' > /dev/null) ; then
-       progname=${PWD}/$0
-else
-       progname=$0
-       PATH=$PATH:${PWD} ; export PATH
-fi
+case "${progname}" in
+/*) ;;
+*/*) ;;
+*)
+        PATH=$PATH:${PWD=`pwd`} ; export PATH
+        ;;
+esac
 
-for arg in $*;
+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 "${next_datadir}" ] ; then datadir=${arg} ; datadiroption="-datadir=${datadir}" ; next_datadir=
-#      elif [ -n "${next_namesubdir}" ] ; then \
-#              namesubdir=${arg} ; namesubdiroption="--namesubdir=${namesubdir}" ; next_namesubdir=
-#      elif [ -n "${next_objdir}" ] ; then objdir=${arg} ; objdiroption="--objdir=${objdir}" ; next_objdir=
-       elif [ -n "${next_version_path}" ] ; then version_path=${arg} ; next_version_path=
-       elif [ -n "${next_site}" ] ; then site=${arg} ; next_site=
-       elif [ -n "${next_srcdir}" ] ; then srcdir=${arg} ; next_srcdir=                
-       elif [ -n "${next_target}" ] ; then
-               next_target=
-               if [ -z "${targets}" ] ; then
-                       newtargets="${targets} ${arg}"
-                       targets="${newtargets}"
-               else
-                       echo '***' Can only configure for one target at a time.
-                       fatal=yes
+        # 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 "${next_program_transform_name}" ] ; then
+                # Double any backslashes or dollar signs in the argument
+               if [ -n "${arg}" ] ; then
+                       program_transform_name="${program_transform_name} -e `echo ${arg} | sed -e 's/\\\\/\\\\\\\\/g' -e 's/\\\$/$$/g'`"
                fi
-       elif [ -n "${next_tmpdir}" ] ; then
-               next_tmpdir=
-               tmpdiroption="--tmpdir=${arg}"
-               TMPDIR=${arg}
-
-       else
-               case ${arg} in
-               -ansi | --a*)
-                       ansi=true
-                       clib=clib
-                       ;;
-               -datadir=* | --datadir=* | --datadi=* | --datad=* | --data=* | --dat=* | --da=* | --d=*)
-                       datadir=`echo ${arg} | sed 's/^[-a-z]*=//'`
-                       datadiroption=${arg}
-                       ;;
-               -datadir | --datadir | --datadi | --datad | --data | --dat | --da | --d)
-                       next_datadir=yes
-                       ;;
-               -gas | --g*)
-                       gas=yes
-                       ;;
-               -help | --he*)
-                       fatal=true
-                       ;;
-               -host=* | --host=* | --hos=* | --ho=*)
-#                      if [ -n "${hosts}" ] ; then
-#                              subdirs="--subdirs"
-#                      fi
-
-                       if [ -z "${hosts}" ] ; then
-                               newhosts="${hosts} `echo ${arg} | sed 's/^[-a-z]*=//'`"
-                               hosts="${newhosts}"
-                       else
-                               echo '***' Can only configure for one host at a time.
-                               fatal=yes
-                       fi
-                       ;;
-               -languages=* | --languages=* | --language=* | --languag=* \
-                       | --langua=* | --langu=* | --lang=* | --lan=* | --la=* \
-                       | --l=*)
-                       languages="${languages} `echo ${arg} | sed 's/^[-a-z]*=//'`"
-                       ;;
-#              -namesubdir | --namesubdir | --namesubdi | --namesubd | --namesub | --namesu | --names | --name | --nam | --na)
-#                      next_namesubdir=yes
-#                      ;;
-#              -namesubdir=* | --namesubdir=* | --namesubdi=* | --namesubd=* | --namesub=* | --namesu=* | --names=* | --name=* | --nam=* | --na=*)
-#                      namesubdir=`echo ${arg} | sed 's/^[-a-z]*=//'`
-#                      namesubdiroption=${arg}
-#                      ;;
-               -nfp | --nf*)
-                       floating_point=no
-                       ;;
-               -norecursion | --no*)
-                       norecursion=true
-                       ;;
-#              -objdir=* | --objdir=* | --objdi=* | --objd=* | --obj=* | --ob=* | --o=*)
-#                      objdiroption=${arg}
-#                      objdir=`echo ${arg} | sed 's/^[-a-z]*=//'`
-#                      ;;
-#              -objdir | --objdir | --objdi | --objd | --obj | --ob | --o)
-#                      next_objdir=yes
-#                      ;;
-               -prefix=* | --prefix=* | --prefi=* | --pref=* | --pre=* | --pr=* | --p=*)
-                       prefix=`echo ${arg} | sed 's/^[-a-z]*=//'`
-                       prefixoption=${arg}
-                       ;;
-               -prefix | --prefix | --prefi | --pref | --pre | --pr | --p)
-                       next_prefix=yes
-                       ;;
-               -recurring | --recurring | --recurrin | --recurri | --recurr | --recur | --recu | --rec | --re)
-                       recurring=true
-                       arguments=`echo ${arguments} | sed "s:${arg}::"`
-                       ;;
-               -rm | --rm)
-                       removing=${arg}
-                       ;;
-               -site=* | --site=* | --sit=* | --si=*)
-                       site=`echo ${arg} | sed 's/^[-a-z]*=//'`
-                       ;;
-               -site | --site | --sit | --si)
-                       next_site=yes
-                       ;;
-               -srcdir=* | --srcdir=* | --srcdi=* | --srcd=* | --src=* | --sr=*)
-                       srcdir=`echo ${arg} | sed 's/^[-a-z]*=//'`
-                       ;;
-               -srcdir | --srcdir | --srcdi | --srcd | --src | --sr)
-                       next_srcdir=yes
-                       ;;
-#              -subdirs | --su*)
-#                      subdirs=${arg}
-#                      ;;
-               -target=* | --target=* | --targe=* | --targ=* | --tar=* | --ta=*)
-#                      if [ -n "${targets}" ] ; then
-#                              subdirs="--subdirs"
-#                      fi
-
-                       if [ -z "${targets}" ] ; then
-                               newtargets="${targets} `echo ${arg} | sed 's/^[-a-z]*=//'`"
-                               targets="${newtargets}"
-                       else
-                               echo '***' Can only configure for one target at a time.
-                               fatal=yes
+                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}
+
+        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=* | --exec-prefix=* | --exec-prefi=* | --exec-pref=* | --exec-pre=* | --exec-pr=* | --exec-p=* | --exec-=* )
+                        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 | -exec-prefix | --exec-prefix | --exec-prefi | --exec-pref | --exec-pre | --exec-pr | --exec-p | --exec-)
+                        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=* | --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 | -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=* | --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 |-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=* | -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=*)
+                       arg=`echo ${arg} | sed -e 's/^[-a-z_]*=//'`
+                        # Double any \ or $ in the argument
+                       if [ -n "${arg}" ] ; then
+                               program_transform_name="${program_transform_name} -e `echo ${arg} | sed -e 's/\\\\/\\\\\\\\/g' -e 's/\\\$/$$/g'`"
                        fi
-                       ;;
-               -target | --target | --targe | --targ | --tar | --ta)
-                       next_target=yes
-                       ;;
-               -tmpdir=* | --tmpdir=* | --tmpdi=* | --tmpd=* | --tmp=* | --tm=*)
-                       tmpdiroption=${arg}
-                       TMPDIR=`echo ${arg} | sed 's/^[-a-z]*=//'`
-                       ;;
-               -tmpdir | --tmpdir | --tmpdi | --tmpd | --tmp | --tm)
-                       next_tmpdir=yes
-                       ;;
-               -v | -verbose | --v)
-                       verbose=${arg}
-                       ;;
-               -x | --x) ;;
-               -* | --*)
-                       (echo ;
-                       echo "Unrecognized option: \"${arg}\"". ;
-                       echo) 1>&2
-                       fatal=true
-                       ;;
-               *)
-#                      if [ -n "${hosts}" ] ; then
-#                              subdirs="--subdirs"
-#                      fi
-
-                       if [ -z "${undefs}" ] ; then
-                               newundefs="${undefs} ${arg}"
-                               undefs=${newundefs}
-                       else
-                               echo '***' Can only configure for one host and one target at a time.
-                               fatal=yes
-                       fi
-                       ;;
-               esac
-       fi
+                        program_transform_nameoption="${program_transform_nameoption} --program-transform-name='${arg}'"
+                        ;;
+                -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 | -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
+                        ;;
+                -with*=* | --with*=*)
+                        withopt=`echo ${arg} | sed 's:^-*\(with[^=]*\)=.*$:\1:;s/-/_/g'`
+                        withval=`echo ${arg} | sed 's:^-*with[^=]*=\(.*\)$:\1:'`
+                        eval $withopt="$withval"
+                        withoptions="$withoptions $arg"
+                        ;;
+                -without* | --without*)
+                        withopt=`echo ${arg} | sed 's:^-*without:with:;s/-/_/g'`               
+                        eval $withopt=no
+                        withoutoptions="$withoutoptions $arg"
+                        ;;
+                -with* | --with*)
+                        withopt=`echo ${arg} | sed 's:^-*with:with:;s/-/_/g'`
+                        eval $withopt=yes
+                        withoptions="$withoptions $arg"
+                        ;;
+                -x | --x) ;;
+                -* | --*)
+                        (echo ;
+                        echo "Unrecognized option: \"${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
 done
 
-if [ -n "${verbose}" ] ; then
-       echo $0 $*
-fi
-
 # process host and target
-if [ -z "${fatal}" ] ; then
-#      # Complain if an arg is missing
-#      if [ -z "${hosts}" ] ; then
-#              (echo ;
-#              echo "configure: No HOST specified." ;
-#              echo) 1>&2
-#              fatal=true
-#      fi
+case "${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.
@@ -300,95 +319,146 @@ if [ -z "${fatal}" ] ; then
 ### * 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 "${hosts}" -a -n "${targets}" -a -n "${undefs}" ] ; then
-               echo '***' Can only configure for one host and one target at a time.
-               fatal=yes
-       elif [ -z "${hosts}" -a -z "${undefs}" ] ; then
-               echo '***' You must tell me for which host you want to configure.
-               fatal=yes
-       else
-               if [ -z "${hosts}" ] ; then
-                       hosts=${undefs}
-               fi
-
-               if [ -z "${targets}" ] ; then
-                       if [ -n "${undefs}" ] ; then
-                               targets=${undefs}
-                       else
-                               targets=${hosts}
-                       fi
-               fi
-       fi
-fi
-
-if [ -n "${fatal}" -o "${hosts}" = "help" ] ; then
-       (echo "Usage: configure HOST" ;
-       echo ;
-       echo "Options: [defaults in brackets]" ;
-       echo " -ansi            configure w/ANSI library. [no ansi lib]" ;
-       echo " -datadir=MYDIR   configure for installation of host dependent files into MYDIR. [\"/usr/local\"]" ;
-       echo " -gas             configure the compilers for use with gas. [native as]" ;
-       echo " -help            print this message. [normal config]" ;
-       echo " -lang=LANG       configure to build LANG. [gcc]" ;
-       echo " -nfp             configure the compilers default to soft floating point. [hard float]" ;
-       echo " -norecursion     configure this directory only. [recurse]" ;
-#      echo " -objdir=ODIR     configure in a parallel tree rooted in ODIR. [rooted in \".\"]" ;
-       echo " -prefix=MYDIR    configure for installation of host dependent files into MYDIR. [\"/usr/local\"]" ;
-       echo " -rm              remove this configuration. [build a configuration]" ;
-       echo " -site            configure with site specific makefile" ;
-       echo " -srcdir=DIR      find the sources in DIR. [\".\" or \"..\"]" ;
-# This is correctly aligned in the output, even though it isn't here.
-#      echo " -subdirs configure in subdirectories.  [in source directories]" ;
-       echo " -target=TARGET   configure for TARGET.  [TARGET = HOST]" ;
-       echo " -tmpdir=TMPDIR   create temporary files in TMPDIR.  [ TMPDIR = \"/tmp\" ]" ;
-       echo ;
-       echo "Where HOST and TARGET are something like \"vax\", \"sun3\", \"encore\", etc." ;
-#      echo "Asking for more than one \"--target\" implies \"--subdirs\".  Any other" ;
-#      echo "options given will apply to all targets."
-       ) 1>&2
-
-       if [ -r config.status ] ; then
-               cat config.status
-       fi
-
-       exit 1
+        if [ -n "${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
+                guesssys=`echo ${progname} | sed 's/configure$/config.guess/'`
+                if tmp_alias=`${guesssys}` ; then
+                        echo "Configuring for a ${tmp_alias} host." 1>&2
+                        host_alias=${tmp_alias}
+                       case "${target_alias}" in
+                       "") target_alias=${tmp_alias} ;;
+                       *) ;;
+                       esac
+                       arguments="--host=${host_alias} ${arguments}"
+                else
+                        echo 'Config.guess failed to determine the host type.  You need to specify one.' 1>&2
+                        fatal=yes
+                fi
+        else
+                case "${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 " --prefix=MYDIR            configure for installation of host dependent files into MYDIR. [\"/usr/local\"]" ;
+        echo " --exec-prefix=MYDIR       configure for installation of host dependent files into MYDIR. [\"/usr/local\"]" ;
+        echo " --help                    print this message. [normal config]" ;
+        echo " --norecursion             configure this directory only. [recurse]" ;
+        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 " --nfp                     configure the compilers default to soft floating point. [hard float]" ;
+        echo " --with-FOO, --with-FOO=BAR specify that FOO is available"
+        echo " --without-FOO             specify that FOO is NOT available"
+        echo ;
+        echo "Where HOST and TARGET are something like \"vax\", \"sun3\", \"encore\", etc." ;
+        echo ;
+        ) 1>&2
+        if [ -r config.status ] ; then
+                cat config.status
+        fi
+
+        exit 1
 fi
 
-configsubr=`echo ${progname} | sed 's/configure$/config.subr/'`
+configsub=`echo ${progname} | sed 's/configure$/config.sub/'`
+moveifchange=`echo ${progname} | sed 's/configure$/move-if-change/'`
 
-if (${configsubr} `echo ${hosts} | sed -e 's/ .*//'`) >/dev/null 2>&1 ; then
-       true
+# 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.subr.
-       exit 1
+        echo '***' cannot find config.sub.  1>&2
+        exit 1
 fi
 
-if [ -z "${srcdir}" ] ; then
-       if [ -r configure.in ] ; then
-               srcdir=.
-       elif [ -r ../configure.in ] ; then
-               srcdir=..
-       else
-               echo '***' "Can't find configure.in.  Try using -srcdir=some_dir"
-               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
+
+### 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.
-if [ -z "`grep '^# per\-host:' ${srcdir}/configure.in`" ] ; then
-       echo '***' ${srcdir}/configure.in has no "per-host:" line. 1>&2
-       exit 1
-fi
-
-if [ -z "`grep '^# per\-target:' ${srcdir}/configure.in`" ] ; then
-       echo '***' ${srcdir}/configure.in has no "per-target:" line. 1>&2
-       exit 1
-fi
-
-if [ -z "${TMPDIR}" ] ; then
-       TMPDIR=/tmp ; export TMPDIR
-fi
+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$$
@@ -411,400 +481,437 @@ fi
 . ${tmpfile}.com
 
 # some sanity checks on configure.in
-if [ -z "${srctrigger}" ] ; then
-       echo '***' srctrigger not set in ${PWD}/configure.in.
-       exit 1
+case "${srctrigger}" in
+"")
+        echo '***' srctrigger not set in ${PWD=`pwd`}/configure.in.  1>&2
+        exit 1
+        ;;
+*) ;;
+esac
+
+result=`${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
+
+        echo '***' \(At least ${srctrigger} is missing.\) 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
-
-       host_alias=${host}
-
-       result=`${configsubr} ${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/mh-${host}
-       if [ ! -f ${host_makefile_frag} ]
-       then
-               host_makefile_frag=config/mh-${host_alias}
-       fi
-
-       . ${tmpfile}.hst
-
-       for target in ${targets} ; do
-
-               target_alias=${target}
-               result=`${configsubr} ${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/mt-${target}
-               if [ ! -f ${target_makefile_frag} ]
-               then
-                       target_makefile_frag=config/mt-${target_alias}
-               fi
-
-               . ${tmpfile}.tgt
-
-               if [ "${host_alias}" = "${target_alias}" ] ; then
-                       subdirname=H-${host_alias}
-               else
-                       subdirname=X-${host_alias}-${target_alias}
-               fi
-
-               if [ -n "${namesubdir}" ] ; then
-                       subdirname=${namesubdir}
-               fi
-
-               if [ -n "${removing}" ] ; then
-#                      if [ -n "${objdir}" ] ; then
-#                              echo '***' --rm not supported for --objdir.  Just \"rm -rf ${objdir}\" by hand.
-#                              exit 1
-#                      fi
-
-#                      if [ -n "${subdirs}" ] ; then
-#                              if [ -d "${subdirname}" ] ; then
-#                                      rm -rf ${hostsubdir}
-#                              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 ${objdir}
-#                      fi
-
-#                      if [ -n "${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
-#
-#                              # use a subdir common to all targets for this host iff: this is a cross AND
-#                              # this tool does not claim to be target dependent AND we have not been asked to name the subdir.
-#                              if [ ${host_alias} != ${target_alias} -a -z "${target_dependent}" -a -z "${namesubdiroption}" ]
-#                              then
-#                                      if [ ! -d H-${host_alias} ] ; then mkdir H-${host_alias} ; fi
-#
-#                                      if (${symbolic_link} ${subdirname} H-${host_alias} 2> /dev/null) ; then
-#                                              true
-#                                      else # just give up. they lose.
-#                                              rmdir H-${host_alias}
-#                                              if [ ! -d ${subdirname} ] ; then mkdir ${subdirname} ; fi
-#                                      fi
-#                              elif [ ! -d ${subdirname} ] ; then
-#                                      mkdir ${subdirname}
-#                              fi
-#
-#                              cd ${subdirname}
-#
-#                              if [ -z "${srcdir}" ] ; then
-#                                      srcdir=..
-#                              fi
-#                      elif [ "`echo H-*`" != "H-*" -a "`echo X-*`" != "X-*" ] ; then
-#                              # if not subdir builds, then make sure none exist.
-#                              # We might miss if there are explicitly named subdirs.
-#                              echo '***' "Configured subdirs exist.  ${PWD} not configured." 1>&2
-#                              exit 1
-#                      else
-#                              true
-#                      fi
-
-                       # Find the source files, if location was not specified.
-                       if [ -z "${srcdir}" ] ; then
-                               srcdirdefaulted=1
-                               srcdir=.
-                               if [ ! -r ${srctrigger} ] ; then
-                                       srcdir=..
-                               fi
-                       fi
-
-                       if [ ! -r ${srcdir}/${srctrigger} ] ; then
-                               if [ -z "${srcdirdefaulted}" ] ; then
-                                       echo '***' "${progname}: Can't find ${srcname} sources in ${PWD}/${srcdir}" 1>&2
-                               else
-                                       echo '***' "${progname}: Can't find ${srcname} sources in ${PWD}/. or ${PWD}/.." 1>&2
-                               fi
-
-                               echo '***' \(At least ${srctrigger} is missing.\) 1>&2
-                               exit 1
-                       fi
-
-                       # Set up the list of links to be made.
-                       # ${links} is the list of link names, and ${files} is the list of names to link to.
-
-                       # Make the links.
-                       while [ -n "${files}" ] ; do
-                               # set file to car of files, files to cdr of files
-                               set ${files}; file=$1; shift; files=$*
-                               set ${links}; link=$1; shift; links=$*
-
-                               if [ ! -r ${srcdir}/${file} ] ; then
-                                       echo '***' "${progname}: cannot create a link \"${link}\"," 1>&2
-                                       echo '***' "since the file \"${file}\" does not exist." 1>&2
-                                       exit 1
-                               fi
-
-                               ${remove} -f ${link}
-                               rm -f config.status
-                               # Make a symlink if possible, otherwise try a hard link
-                               ${symbolic_link} ${srcdir}/${file} ${link} 2>/dev/null || ${hard_link} ${srcdir}/${file} ${link}
-
-                               if [ ! -r ${link} ] ; then
-                                       echo '***' "${progname}: unable to link \"${link}\" to \"${srcdir}/${file}\"." 1>&2
-                                       exit 1
-                               fi
-
-                               if [ -n "${verbose}" ] ; then
-                                       echo "Linked \"${link}\" to \"${srcdir}/${file}\"."
-                               fi
-                       done
-
-                       # Create a .gdbinit file which runs the one in srcdir
-                       # and tells GDB to look there for source files.
-
-                       if [ -r ${srcdir}/.gdbinit ] ; then
-                               case ${srcdir} in
-                               .)
-                                       ;;
-                               *)
-                                       echo "# "${NO_EDIT} > .gdbinit
-                                       echo "dir ." >> .gdbinit
-                                       echo "dir ${srcdir}" >> .gdbinit
-                                       echo "source ${srcdir}/.gdbinit" >> .gdbinit
-                                       ;;
-                               esac
-                       fi
-
-                       # Install a makefile, and make it set VPATH
-                       # if necessary so that the sources are found.
-                       # Also change its value of srcdir.
-
-               # FIXME-someday: This business of always writing to .tem and mv back
-               # is so that I don't screw things up while developing.  Once this
-               # template is stable, these should be optimized. xoxorich.
-
-                       # Define macro CROSS_COMPILE in compilation if this is a cross-compiler.
-                       if [ "${host}" != "${target}" ] ; then
-                               echo "CROSS=-DCROSS_COMPILE" > ${Makefile}
-                               echo "ALL=start.encap" >> ${Makefile}
-                       else
-                               echo "ALL=all.internal" > ${Makefile}
-                       fi
-
-                       # set target, host, VPATH
-                       echo "host_alias = ${host_alias}" >> ${Makefile}
-                       echo "host_cpu = ${host_cpu}" >> ${Makefile}
-                       echo "host_vendor = ${host_vendor}" >> ${Makefile}
-                       echo "host_os = ${host_os}" >> ${Makefile}
-                       echo "version_path = ${version_path}" >> ${Makefile}
-                       echo "target_alias = ${target_alias}" >> ${Makefile}
-                       echo "target_cpu = ${target_cpu}" >> ${Makefile}
-                       echo "target_vendor = ${target_vendor}" >> ${Makefile}
-                       echo "target_os = ${target_os}" >> ${Makefile}
-
-#                      if [ -n "${subdirs}" ] ; then
-#                              (echo "subdir = /${subdirname}" ;
-#                                      echo "unsubdir = ..") >> ${Makefile}
-#                      else
-                               (echo "subdir =" ;
-                                       echo "unsubdir = .") >> ${Makefile}
-#                      fi
-
-               #       echo "workdir = ${PWD}" >> ${Makefile}
-                       echo "VPATH = ${srcdir}" >> ${Makefile}
-
-                       # add "Makefile.in" (or whatever it's called)
-                       cat ${srcdir}/${Makefile_in} >> ${Makefile}
-
-                       # Conditionalize the makefile for this site.
-                       if [ -n "${site}" ] ; then
-                               site_makefile_frag=config/ms-${site}
-
-                               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
-                               else
-                                       (echo "site_makefile_frag =" ; 
-                                               cat ${Makefile}) > Makefile.tem
-                               fi
-                               mv Makefile.tem ${Makefile}
-                       fi
-
-                       # 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
-                       else
-                               (echo "host_makefile_frag =" ;
-                                       cat ${Makefile}) > Makefile.tem
-                       fi
-                       mv Makefile.tem ${Makefile}
-
-                       # 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
-                       else
-                               (echo "target_makefile_frag =" ; 
-                                       cat ${Makefile}) > Makefile.tem
-                       fi
-                       mv Makefile.tem ${Makefile}
-
-                       # set srcdir
-                       sed "s@^srcdir = \.@srcdir = ${srcdir}@" ${Makefile} > Makefile.tem
-                       mv Makefile.tem ${Makefile}
-
-                       # set prefix
-                       if [ -n "${prefix}" ] ; then
-                               sed "s:^prefix =.*$:prefix = ${prefix}:" ${Makefile} > Makefile.tem
-                               mv Makefile.tem ${Makefile}
-                       fi
-
-                       # set datadir
-                       if [ -n "${datadir}" ] ; then
-                               sed "s:^datadir =.*$:datadir = ${datadir}:" ${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}
-
-                       # remove any form feeds.
-                       sed -e "s/\f//" ${Makefile} > Makefile.tem
-                       mv Makefile.tem ${Makefile}
-
-                       # prepend warning about editting.
-                       echo "# "${NO_EDIT} > ${Makefile}.tem
-                       cat ${Makefile} >> ${Makefile}.tem
-                       mv Makefile.tem ${Makefile}
-
-                       using=
-                       if [ -f ${srcdir}/${host_makefile_frag} ] ; then
-                               using="${using} and \"${host_makefile_frag}\""
-                       fi
-                       if [ -f ${srcdir}/${target_makefile_frag} ] ; then
-                               using="${using} and \"${target_makefile_frag}\""
-                       fi
-                       if [ -n "${site}" -a \
-                            -f ${srcdir}/${site_makefile_frag} ] ; then
-                               using="${using} and \"${site_makefile_frag}\""
-                       fi
-                       using=`echo "${using}" | sed 's/and/using/'`
-                       using="Created \"${Makefile}\" in ${PWD}${using}."
-
-                       if [ -n "${verbose}" -o -z "${recurring}" ] ; then
-                               echo ${using}
-                       fi
-
-                       . ${tmpfile}.pos
+# Some systems (e.g., one of the i386-aix systems the gas testers are
+# using) don't handle "\$" correctly, so don't use it here.
+tooldir='$(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
 
-                       # describe the chosen configuration in config.status.
-                       # Make that file a shellscript which will reestablish
-                       # the same configuration.  Used in Makefiles to rebuild
-                       # Makefiles.
+# 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
 
-                       if [ -z "${norecursion}" ] ; then
-                               arguments="${arguments} -norecursion"
-                       fi
+if [ "${program_prefix}" != "" ] ; then
+    program_transform_name="-e s/^/${program_prefix}/ ${program_transform_name}"
+fi
 
-                       echo "#!/bin/sh
+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
+                ${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}/${file}\"." 1>&2
+                        exit 1
+                fi
+
+                echo "Linked \"${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
+
+        # 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 > ${Makefile}
+                      else
+                              echo '***' Expected package makefile fragment \"${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}-${target_os}
+EOF
+            case "${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 = ${exec_prefix}:" \
+                    -e "s:^srcdir[     ]*=.*$: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}
+
+        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}
-# ${PWD} was configured as follows:
+# This directory was configured as follows:
 ${progname}" ${arguments}  "
-# ${using}" > config.status
-                       chmod a+x config.status
-
-#                      originaldir=${PWD}
-#                      cd ${srcdir}
-               fi
-
-               # If there are subdirectories, then recur. 
-               if [ -z "${norecursion}" -a -n "${configdirs}" ] ; then 
-                       for configdir in ${configdirs} ; do
-                               if [ -n "${verbose}" ] ; then
-                                       echo Configuring ${configdir}...
-                               fi
-
-                               if [ -d ${srcdir}/${configdir} ] ; then
-                                       if [ "${srcdir}" != "." ] ; then
-                                               if [ ! -d ./${configdir} ] ; then
-                                                       mkdir ./${configdir}
-                                               fi
-                                       fi
+# ${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
 
-                                       POPDIR=${PWD}
-                                       cd ${configdir} 
+# If there are subdirectories, then recur. 
+if [ -z "${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 "${srcdir}" in
-                                       ".") ;; # do nothing.  We're building in place.
-                                       /*) srcdiroption="-srcdir=${srcdir}/${configdir}" ;; # absolute path
-                                       *) srcdiroption="-srcdir=../${srcdir}/${configdir}" ;; # otherwise relative
-                                       esac
+                        case "${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
+
+### check for guested configure, otherwise fix possibly relative progname
+                        if [ -f ${newsrcdir}/configure ] ; then
+                                recprog=${newsrcdir}/configure
+                        else
+                                case "${progname}" in
+                                /*)     recprog=${progname} ;;
+                                *)      recprog=../${progname} ;;
+                                esac
+                        fi
 
 ### The recursion line is here.
-                                       if (${progname} -recurring ${host_alias} -target=${target_alias} \
-                                               ${verbose} ${subdirs} ${removing} ${prefixoption} \
-                                               ${tmpdiroption} ${namesubdiroption} ${datadiroption} \
-                                               ${srcdiroption}) ; then
-                                               true
-                                       else
-                                               exit 1
-                                       fi
-
-                                       cd ${POPDIR}
-                               elif [ -n "${verbose}" ] ; then
-                                       echo Warning: source directory \"${srcdir}/${configdir}\" is missing.
-                               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}
-#              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.
-
-# trap cmd above handles this now:
-#rm -f ${tmpfile}.com ${tmpfile}.tgt ${tmpfile}.hst ${tmpfile}.pos
+                        if eval ${recprog} ${verbose} --host=${host_alias} --target=${target_alias} \
+                                ${prefixoption} ${tmpdiroption} ${exec_prefixoption} \
+                                ${srcdiroption} ${program_prefixoption} ${program_suffixoption} ${program_transform_nameoption} ${site_option} ${withoptions} ${withoutoptions} ${removing} ${redirect} ; then
+                                true
+                        else
+                                exit 1
+                        fi
+
+                        cd ${POPDIR}
+                fi
+        done
+fi
 
 exit 0
 
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