Change svr4 references to sysv4.
[deliverable/binutils-gdb.git] / configure
index bfa3fcca8993c88323a98c660c90b26c9c00207a..b2ad6022a41675e803f383bfd6d38aa12c841043 100755 (executable)
--- a/configure
+++ b/configure
@@ -1,43 +1,42 @@
-#!/bin/sh
-# Please do not edit this file.  It is generated automatically from
-# configure.in and a configure template.
-configdirs=
-
 #!/bin/sh
 
-# Configuration script template
+# Configuration script
 #   Copyright (C) 1988, 1990, 1991 Free Software Foundation, Inc.
 
 #This file is part of GNU.
 
-#GNU CC is free software; you can redistribute it and/or modify
-#it under the terms of the GNU General Public License as published by
-#the Free Software Foundation; either version 1, or (at your option)
-#any later version.
-
-#GNU CC is distributed in the hope that it will be useful,
-#but WITHOUT ANY WARRANTY; without even the implied warranty of
-#MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-#GNU General Public License for more details.
-
-#You should have received a copy of the GNU General Public License
-#along with GNU CC; see the file COPYING.  If not, write to
-#the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 2 of the License, or
+# (at your option) any later version.
+# 
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+# 
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.  */
 
 # $Id$
 
+# Please email any bugs, comments, and/or additions to this file to:
+# configure@cygnus.com
+
 #
 # Shell script to create proper links to machine-dependent files in
-# preparation for compiling gcc.
-#
-# Usage: configure [+srcdir=DIR] [+host=HOST] [+gas] [+nfp] TARGET
+# 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.
 #
 
-progname=$0
+# 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
 hard_link=ln
@@ -49,389 +48,764 @@ symbolic_link='ln -s'
 #symbolic_link="echo ln -s"
 
 # clear some things potentially inherited from environment.
-ansi=
-hostsubdir=
-norecurse=
+
+Makefile=Makefile
+Makefile_in=Makefile.in
+arguments=$*
+commontargets=
+configdirs=
+datadir=
+datadiroption=
+defaulttargets=
+fatal=
+floating_point=default
+gas=default
+hosts=
+#hostsubdir=
+#namesubdir=
+next_prefix=
+next_host=
+#next_namesubdir=
+#next_objdir=
+next_site=
+next_srcdir=
+next_target=
+next_tmpdir=
+norecursion=
+#objdir=
+#objdiroption=
+prefix=/usr/local
+progname=
+recurring=
 removing=
 srcdir=
+srctrigger=
 target=
-targetsubdir=
-template=
+targets=
+#targetsubdir=
+undefinedargs=
+verbose=
+version="$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.
+##
+## 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`
+
+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
 
 for arg in $*;
 do
-       case $arg in
-       -ansi | +ansi)
-               ansi=true
-               ;;
-       -forcesubdirs | +f*)
-               forcesubdirs=${arg}
-               ;;
-       -host=* | +host=* | +hos=* | +ho=* | +h=*)
-               host=`echo $arg | sed 's/[+-]h[a-z]*=//'`
-               ;; 
-       -languages=* | +languages=* | +language=* | +languag=* \
-               | +langua=* | +langu=* | +lang=* | +lan=* | +la=* \
-               | +l=*)
-               languages="$languages `echo $arg | sed 's/[+-]l[a-z]*=//'`"
-               ;;
-       -gas | +gas | +ga | +g)
-               gas=yes
-               ;;
-       -nfp | +nfp | +nf | +n)
-               nfp=yes
-               ;;
-       -norecurse | +norecurse)
-               norecurse=true
-               ;;
-       -rm | +rm)
-               removing=$arg
-               ;;
-       -srcdir=* | +srcdir=* | +srcdi=* | +srcd=* | +src=* | +sr=* | +s=*)
-               srcdir=`echo $arg | sed 's/[+-]s[a-z]*=//'`
-               ;;
-       -template=* | +template=*)
-               template=`echo $arg | sed 's/[+-]template=//'`
-               ;;
-       *)
-# Allow configure HOST TARGET
-               if [ x$host = x ] ; then host=$target ; fi
-               target=$arg
-               ;;
-       esac
+       # 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
+               fi
+       elif [ -n "${next_tmpdir}" ] ; then
+               next_tmpdir=
+               tmpdiroption="--tmpdir=${arg}"
+               TMPDIR=${arg}
+
+       else
+               case ${arg} in
+               -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
+                       ;;
+#              -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
+                       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}
+                       ;;
+               -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
+                       ;;
+               *)
+#                      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
 done
 
-# process host and target only if not rebuilding configure itself or removing.
-if [ -z "$template" -a -z "$removing" ]
-then
-       # Complain if an arg is missing
-       if [ -z "$target" ]
-       then
-               echo "Usage: $progname [+srcdir=DIR] [+host=HOST] [+gas] [+nfp] TARGET"
-               echo -n "Where HOST and TARGET are something like "
-               echo "\`vax', \`sun3', \`encore', etc."
-               if [ -r config.status ]
-               then
-                       cat config.status
+if [ -n "${verbose}" ] ; then
+       echo $0 $*
+fi
+
+# process host and target
+if [ -z "${fatal}" ] ; then
+#      # Complain if an arg is missing
+#      if [ -z "${hosts}" ] ; then
+#              (echo ;
+#              echo "configure: No HOST specified." ;
+#              echo) 1>&2
+#              fatal=true
+#      fi
+
+### This is a bit twisted.
+### * if all three are specified, this is an error.
+### * if we have neither hosts, nor unadorned args, this is an error.
+### * if no hosts are specified, then the unadorned args are hosts, but if
+### there were none, this is an error.
+### * if no targets are specified, then the unadorned args are targets, but if
+### there were no unadorned args, then the hosts are also targets.
+
+       if [ -n "${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
-               exit 1
        fi
 fi
 
-# Default other arg
-if [ -z "$host" ]
-then
-       host=$target
+if [ -n "${fatal}" -o "${hosts}" = "help" ] ; then
+       (echo "Usage: configure HOST" ;
+       echo ;
+       echo "Options: [defaults in brackets]" ;
+       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
 fi
 
-#### configure.in files come in here.
-# This file is a shell script fragment that supplies the information
-# necessary to tailor a template configure script into the configure
-# script appropriate for this directory.  For more information, check
-# any existing configure script.
-
-configdirs="bfd binutils ld gas gcc"
-srctrigger=README.configure
-srcname="gnu development package"
-### end of configure.in
-
-# are we rebuilding config itself?
-if [ -n "$template" ]
-then
-       if [ ! -r $template ]
-       then
-               echo "Can't find template ${template}."
-               exit 1
-       fi
+configsub=`echo ${progname} | sed 's/configure$/config.sub/'`
 
-       mv configure configure.old
-       echo "#!/bin/sh" > configure
-       echo "# Please do not edit this file.  It is generated automatically from" >> configure
-       echo "# configure.in and a configure template." >> configure
-       echo "configdirs=" >> configure
-       echo >> configure
+if (${configsub} `echo ${hosts} | sed -e 's/ .*//'`) >/dev/null 2>&1 ; then
+       true
+else
+       echo '***' cannot find config.sub.
+       exit 1
+fi
 
-       if [ -r configure.in ]
-       then
-               sed -e "/^####/  r configure.in" $template >> configure
+if [ -z "${srcdir}" ] ; then
+       if [ -r configure.in ] ; then
+               srcdir=.
+       elif [ -r ../configure.in ] ; then
+               srcdir=..
        else
-               cat $template >> configure
+               echo '***' "Can't find configure.in.  Try using -srcdir=some_dir"
+               exit 1
        fi
+fi
 
-       chmod a+x configure
-       rm configure.old
-       echo Rebuilt configure in `pwd`
 
-       if [ x$norecurse = x ]
-       then
-               while [ -n "$configdirs" ]
-               do
-                       # set configdir to car of configdirs, configdirs to cdr of configdirs
-                       set $configdirs; configdir=$1; shift; configdirs=$*
-
-                       if [ "`echo ${configdir}.*`" != "${configdir}.*" ]
-                       then
-                               targetspecificdirs=${configdir}.*
-                       else
-                               targetspecificdirs=
-                       fi
+### 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
 
-                       for i in ${configdir} ${targetspecificdirs}
-                       do
-                               if [ -r $i/configure ]
-                               then
-                                       (cd $i ;
-                                               configure +template=${template})
-                               else
-                                       echo No configure script in `pwd`/$i
-                               fi
-                       done
-               done
-       fi
+if [ -z "`grep '^# per\-target:' ${srcdir}/configure.in`" ] ; then
+       echo '***' ${srcdir}/configure.in has no "per-target:" line. 1>&2
+       exit 1
+fi
 
-       exit 0
+if [ -z "${TMPDIR}" ] ; then
+       TMPDIR=/tmp ; export TMPDIR
 fi
 
-# Temporarily, we support only direct subdir builds.
-hostsubdir=Host-${host}
-targetsubdir=Target-${target}
+# 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
 
-if [ -n "${removing}" ]
-then
-       if [ -d "${hostsubdir}/${targetsubdir}" ]
-       then
-               rm -rf ${hostsubdir}/${targetsubdir}
+### do common part of configure.in
 
-               if [ -z "`(ls ${hostsubdir}) 2>&1 | grep Target-`" ]
-               then
-                       rm -rf ${hostsubdir}
-               fi
-       else
-               rm -f .gdbinit Makefile config.status $links
+. ${tmpfile}.com
+
+# some sanity checks on configure.in
+if [ -z "${srctrigger}" ] ; then
+       echo '***' srctrigger not set in ${PWD}/configure.in.
+       exit 1
+fi
+
+for host in ${hosts} ; do
+       # Default other arg
+       if [ -z "${targets}" -o -n "${defaulttargets}" ] ; then
+               targets=${host}
+               defaulttargets=true
        fi
-else
-       if [ -n "$forcesubdirs" ]
+
+       host_alias=${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/mh-${host}
+       if [ ! -f ${host_makefile_frag} ]
        then
-               # check for existing status before allowing forced subdirs.
-               if [ -f Makefile ]
+               host_makefile_frag=config/mh-${host_alias}
+       fi
+
+       . ${tmpfile}.hst
+
+       for target in ${targets} ; do
+
+               target_alias=${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/mt-${target}
+               if [ ! -f ${target_makefile_frag} ]
                then
-                       echo "Makefile already exists in source directory.  `pwd` not configured."
-                       exit 1
+                       target_makefile_frag=config/mt-${target_alias}
                fi
 
-               if [ ! -d $hostsubdir ] ; then mkdir $hostsubdir ; fi
-               cd $hostsubdir
-       
-               if [ ! -d $targetsubdir ] ; then mkdir $targetsubdir ; fi
-               cd $targetsubdir
-       
-               srcdir=../..
-       else
-               # if not subdir builds, then make sure none exist.
-               if [ -n "`(ls .) 2>&1 | grep Host-`" ]
-               then
-                       echo "Configured subdirs exist.  `pwd` not configured."
-                       exit 1
+               . ${tmpfile}.tgt
+
+               if [ "${host_alias}" = "${target_alias}" ] ; then
+                       subdirname=H-${host_alias}
+               else
+                       subdirname=X-${host_alias}-${target_alias}
                fi
-       fi
 
-       # Find the source files, if location was not specified.
-       if [ x$srcdir = x ]
-       then
-               srcdirdefaulted=1
-               srcdir=.
-               if [ ! -r ${srctrigger} ]
-               then
-                       srcdir=..
+               if [ -n "${namesubdir}" ] ; then
+                       subdirname=${namesubdir}
                fi
-       fi
-       
-       if [ ! -r ${srcdir}/${srctrigger} ]
-       then
-               if [ -z "$srcdirdefaulted" ]
-               then
-                 echo "$progname: Can't find ${srcname} sources in \`${srcdir}'." 1>&2
+
+               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 ${links}
+#                      fi
                else
-                 echo "$progname: Can't find ${srcname} sources in \`.' or \`..'." 1>&2
-               fi
-               exit 1
-       fi
+#                      if [ -n "${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
 
-       # 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.
+                       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
 
-       # 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=$1; shift; links=$*
+                               echo '***' \(At least ${srctrigger} is missing.\) 1>&2
+                               exit 1
+                       fi
 
-               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
+                       # 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.
 
-               $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 $link
+                       # Make the links.
+                       while [ -n "${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 $link ]
-               then
-                       echo "$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.
-
-       case $srcdir in
-       .)
-               ;;
-       *)
-               echo "dir ." > .gdbinit
-               echo "dir ${srcdir}" >> .gdbinit
-               echo "source ${srcdir}/.gdbinit" >> .gdbinit
-               ;;
-       esac
-
-       # Install a makefile, and make it set VPATH
-       # if necessary so that the sources are found.
-       # Also change its value of srcdir.
-
-# FIXME-someday: This business of always writing to .tem and mv back
-# is so that I don't screw things up while developing.  Once this
-# template is stable, these should be optimized. xoxorich.
-
-       # Define macro CROSS_COMPILE in compilation if this is a cross-compiler.
-       if [ x$host != x$target ]
-       then
-               echo "CROSS=-DCROSS_COMPILE" > Makefile
-               echo "ALL=start.encap" >> Makefile
-       else
-               echo "ALL=all.internal" > Makefile
-       fi
+                               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
 
-       # set target, host, VPATH
-       echo "host = $host" >> Makefile
-       echo "target = $target" >> Makefile
+                               ${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 [ -n "${forcesubdirs}" ]
-       then
-               echo "subdir = /${hostsubdir}/${targetsubdir}" >> Makefile
-       else
-               echo "subdir =" >> Makefile
-       fi
+                               if [ ! -r ${link} ] ; then
+                                       echo '***' "${progname}: unable to link \"${link}\" to \"${srcdir}/${file}\"." 1>&2
+                                       exit 1
+                               fi
 
-#      echo "workdir = `pwd`" >> Makefile
-       echo "VPATH = ${srcdir}" >> Makefile
+                               if [ -n "${verbose}" ] ; then
+                                       echo "Linked \"${link}\" to \"${srcdir}/${file}\"."
+                               fi
+                       done
 
-       # add Makefile.in
-       cat ${srcdir}/Makefile.in >> Makefile
+                       # 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
 
-       # and shake thoroughly.
-       host_var_file=hmake-${host}
-       target_var_file=tmake-${target}
+                       # Install a makefile, and make it set VPATH
+                       # if necessary so that the sources are found.
+                       # Also change its value of srcdir.
 
-       # Conditionalize the makefile for this machine.
-       if [ -f ${srcdir}/config/${host_var_file} ]
-       then
-               sed -e "/^####/  r ${srcdir}/config/${host_var_file}" Makefile > Makefile.tem
-               mv Makefile.tem Makefile
-       fi
+               # 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.
 
-       if [ -f ${srcdir}/config/${target_var_file} ]
-       then
-               sed -e "/^####/  r ${srcdir}/config/${target_var_file}" Makefile > Makefile.tem
-               mv Makefile.tem Makefile
-       fi
+                       # Define macro CROSS_COMPILE in compilation if this is a cross-compiler.
+                       if [ "${host}" != "${target}" ] ; then
+                               echo "CROSS=-DCROSS_COMPILE" > ${Makefile}
+                               echo "ALL=all.cross" >> ${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}
 
-       sed "s@^srcdir = \.@srcdir = ${srcdir}@" Makefile > Makefile.tem
-       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}
 
-       # Remove all formfeeds, since some Makes get confused by them.
-       sed "s/\f//" Makefile >> Makefile.tem
-       mv Makefile.tem Makefile
+                       # set srcdir
+                       sed "s@^srcdir = \.@srcdir = ${srcdir}@" ${Makefile} > Makefile.tem
+                       mv Makefile.tem ${Makefile}
 
-       # reset SUBDIRS
-       sed "s:^SUBDIRS =.*$:SUBDIRS = ${configdirs}:" Makefile > Makefile.tem
-       mv Makefile.tem Makefile
+                       # set prefix
+                       if [ -n "${prefix}" ] ; then
+                               sed "s:^prefix =.*$:prefix = ${prefix}:" ${Makefile} > Makefile.tem
+                               mv Makefile.tem ${Makefile}
+                       fi
 
-       # reset NONSUBDIRS
-       sed "s:^NONSUBDIRS =.*$:NONSUBDIRS = ${noconfigdirs}:" Makefile > Makefile.tem
-       mv Makefile.tem Makefile
+                       # set datadir
+                       if [ -n "${datadir}" ] ; then
+                               sed "s:^datadir =.*$:datadir = ${datadir}:" ${Makefile} > Makefile.tem
+                               mv Makefile.tem ${Makefile}
+                       fi
 
-       using=
-       if [ -f ${srcdir}/config/${host_var_file} ]
-       then
-               using=" using \"${host_var_file}\""
-       fi
+                       # reset SUBDIRS
+                       sed "s:^SUBDIRS =.*$:SUBDIRS = ${configdirs}:" ${Makefile} > Makefile.tem
+                       mv Makefile.tem ${Makefile}
 
-       if [ -f ${srcdir}/config/${target_var_file} ]
-       then
-               if [ -z "${using}" ]
-               then
-                       andusing=" using \"${target_var_file}\""
-               else
-                       andusing="${using} and \"${target_var_file}\""
-               fi
-       else
-               andusing=${using}
-       fi
+                       # reset NONSUBDIRS
+                       sed "s:^NONSUBDIRS =.*$:NONSUBDIRS = ${noconfigdirs}:" ${Makefile} > Makefile.tem
+                       mv Makefile.tem ${Makefile}
 
-       echo "Created \"Makefile\""${andusing}.
+                       # remove any form feeds.
+                       sed -e "s/\f//" ${Makefile} > Makefile.tem
+                       mv Makefile.tem ${Makefile}
 
-       if [ x$host = x$target ]
-       then
-               echo "Links are now set up for use with a $target." \
-                       > config.status
-#                      | tee ${srcdir}/config.status
-       else
-               echo "Links are now set up for host $host and target $target." \
-                       > config.status
-#                      | tee ${srcdir}/config.status
-       fi
+                       # prepend warning about editting.
+                       echo "# "${NO_EDIT} > ${Makefile}.tem
+                       cat ${Makefile} >> ${Makefile}.tem
+                       mv Makefile.tem ${Makefile}
 
-       originaldir=`pwd`
-       cd ${srcdir}
-fi
+                       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
 
-# If there are subdirectories, then recurse. 
+                       . ${tmpfile}.pos
 
-if [ -n "$norecurse" ] ; then exit 0 ; 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.
 
-while [ -n "$configdirs" ]
-do
-       # set configdir to car of configdirs, configdirs to cdr of configdirs
-       set $configdirs; configdir=$1; shift; configdirs=$*
+                       if [ -z "${norecursion}" ] ; then
+                               arguments="${arguments} -norecursion"
+                       fi
 
-       # check for target override
-       targetspecificdir=${configdir}.${target}
-       if [ -d ${targetspecificdir} ]
-       then
-               configdir=${targetspecificdir}
-       fi
+                       echo "#!/bin/sh
+# ${NO_EDIT}
+# ${PWD} was configured as follows:
+${progname}" ${arguments}  "
+# ${using}" > config.status
+                       chmod a+x config.status
 
-       echo Configuring ${configdir}...
-       (cd ${configdir} ;
-               ./configure ${forcesubdirs} ${removing} +host=${host} ${target}) \
-               | sed 's/^/     /'
-done
+#                      originaldir=${PWD}
+#                      cd ${srcdir}
+               fi
 
-exit 0
+               # 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 ./${configdir}
+                                               fi
+                                       fi
+
+                                       POPDIR=${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
+
+### 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}
 #
-# $Log$
-# Revision 1.3  1991/04/11 02:41:51  rich
-# Cut 2 config.  Subdirs.
+#              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
+
+exit 0
+
+#
+# Local Variables:
+# fill-column: 131
+# End:
+#
 
-# end of configure.template
+# end of configure
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