srconv.c (writeINT): When size == -2, use 2 bytes for the h8300 and 4 bytes
[deliverable/binutils-gdb.git] / binutils / configure
index 1c764aa300e5a63780a88d00c366189faa8401d5..55d5b9c5ad21d034e4a476fb9ec85faf39e7cfa5 100755 (executable)
@@ -1,44 +1,35 @@
-#!/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.  */
 
 # $Id$
 
 #
 # 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
-
 remove=rm
 hard_link=ln
 symbolic_link='ln -s'
@@ -48,79 +39,143 @@ symbolic_link='ln -s'
 #hard_link="echo ln"
 #symbolic_link="echo ln -s"
 
+progname=$0
+
 # clear some things potentially inherited from environment.
-target=
-template=
-removing=
-norecurse=
 ansi=
+arguments=$*
+defaulttargets=
+destdir=
+fatal=
+hostsubdir=
+Makefile=Makefile
+Makefile_in=Makefile.in
+norecursion=
+recurring=
+removing=
 srcdir=
+srctrigger=
+target=
+targets=
+commontargets=
+configdirs=
+targetsubdir=
+template=
+verbose=
 
 for arg in $*;
 do
-       case $arg in
-       -ansi | +ansi)
+       case ${arg} in
+       -ansi | +a*)
                ansi=true
+               clib=clib
                ;;
-       -template=* | +template=*)
-               template=`echo $arg | sed 's/[+-]template=//'`
-               ;;
-       -norecurse | +norecurse)
-               norecurse=true
+       -destdir=* | +destdir=* | +destdi=* | +destd=* | +dest=* | +des=* | +de=* | +d=*)
+               destdir=`echo ${arg} | sed 's/[+-]d[a-z]*=//'`
                ;;
-       -rm | +rm)
-               removing=$arg
-               ;;
-       -srcdir=* | +srcdir=* | +srcdi=* | +srcd=* | +src=* | +sr=* | +s=*)
-               srcdir=`echo $arg | sed 's/[+-]s[a-z]*=//'`
-               ;;
-       -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 $arg | sed 's/[+-]l[a-z]*=//'`"
+               languages="${languages} `echo ${arg} | sed 's/[+-]l[a-z]*=//'`"
                ;;
-       -gas | +gas | +ga | +g)
+       -gas | +g*)
                gas=yes
                ;;
-       -nfp | +nfp | +nf | +n)
+       -help | +h*)
+               fatal=true
+               ;;
+       -nfp | +nf*)
                nfp=yes
                ;;
+       -norecursion | +no*)
+               norecursion=true
+               ;;
+       -recurring | +recurring | +recurrin | +recurri | +recurr | +recur | +recu | +rec | +re)
+               recurring=true
+               ;;
+       -rm | +rm)
+               removing=${arg}
+               ;;
+#      -srcdir=* | +srcdir=* | +srcdi=* | +srcd=* | +src=* | +sr=* | +s=*)
+#              srcdir=`echo ${arg} | sed 's/[+-]s[a-z]*=//'`
+#              ;;
+       -subdirs | +f* | +su*)
+               subdirs=${arg}
+               ;;
+       -target=* | +target=* | +targe=* | +targ=* | +tar=* | +ta=*)
+               if [ -n "${targets}" ] ; then
+                       subdirs="+subdirs"
+               fi
+
+               newtargets="${targets} `echo ${arg} | sed 's/[+-]t[a-z]*=//'`"
+               targets="${newtargets}"
+               ;;
+       -template=* | +template=* | +templat=* | +templa=* | +templ=* | +temp=* | +tem=* | +te=*)
+               template=`echo ${arg} | sed 's/[+-]template=//'`
+               ;;
+       -v | -verbose | +v*)
+               verbose=${arg}
+               ;;
+       -* | +*)
+               (echo ;
+               echo "Unrecognized option: \"${arg}\"". ;
+               echo) 1>&2
+               fatal=true
+               ;;
        *)
-# Allow configure HOST TARGET
-               if [ x$host = x ] ; then host=$target ; fi
-               target=$arg
+               if [ -n "${hosts}" ] ; then
+                       subdirs="+subdirs"
+               fi
+
+               newhosts="${hosts} ${arg}"
+               hosts=${newhosts}
                ;;
        esac
 done
 
-# process host and target only if not rebuilding configure itself.
-if [ -z "$template" -a -z "$removing" ]
-then
+if [ -n "${verbose}" ] ; then
+       echo `pwd`/configure $*
+fi
+
+# process host and target only if not rebuilding configure itself or removing.
+if [ -z "${template}" -a -z "${removing}" -a -z "${fatal}" ] ; then
        # Complain if an arg is missing
-       if [ -z "$target" ]
-       then
-               echo "Usage: $progname [+srcdir=DIR] [+host=HOST] [+gas] [+nfp] TARGET"
-               echo -n "Where HOST and TARGET are something like "
-               echo "\`vax', \`sun3', \`encore', etc."
-               if [ -r config.status ]
-               then
-                       cat config.status
-               fi
-               exit 1
+       if [ -z "${hosts}" ] ; then
+               (echo ;
+               echo "configure: No HOST specified." ;
+               echo) 1>&2
+               fatal=true
        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 " +ansi            configure w/ANSI library. [no ansi lib]" ;
+       echo " +destdir=MYDIR   configure for installation into MYDIR. [/usr/local]" ;
+       echo " +subdirs         configure in subdirectories.  [in source directories]" ;
+       echo " +lang=LANG       configure to build LANG. [gcc]" ;
+       echo " +help            print this message. [normal config]" ;
+       echo " +gas             configure the compilers for use with gas. [native as]" ;
+       echo " +nfp             configure the compilers default to soft floating point. [hard float]" ;
+       echo " +norecursion     configure this directory only. [recurse]" ;
+       echo " +rm              remove this configuration. [build a configuration]" ;
+       echo " +target=TARGET   configure for TARGET.  [TARGET = HOST]" ;
+       echo " +template=TEM    rebuild configure using TEM. [normal config]" ;
+       echo ;
+       echo "Where HOST and TARGET are something like \"vax\", \"sun3\", \"encore\", etc." ;
+       echo "Asking for more than one \"+target\" implies \"+subdirs\".  Any other" ;
+       echo "options given will apply to all targets.") 1>&2
+
+       if [ -r config.status ] ; then
+               cat config.status
        fi
 
+       exit 1
 fi
 
-#### configure.in files come in here.
+#### configure.in common parts come in here.
 # This file is a shell script that supplies the information necessary
 # to tailor a template configure script into the configure script
 # appropriate for this directory.  For more information, check any
@@ -128,60 +183,117 @@ fi
 
 srctrigger=ar.c
 srcname="binutils"
-files=
-links=
 
-### end of configure.in
+## end of common part.
 
 # are we rebuilding config itself?
-if [ -n "$template" ]
-then
-       if [ ! -r $template ]
-       then
-               echo "Can't find template ${template}."
+if [ -n "${template}" ] ; then
+       if [ ! -r ${template} ] ; then
+               echo '***' "Can't find template ${template}." 1>&2
                exit 1
        fi
 
-       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
+# prep the template
+       sed -e '/^#### configure.in common parts come in here.$/,/^## end of common part.$/c\
+#### configure.in common parts come in here.\
+## end of common part.' \
+       -e '/^#### configure.in per-host parts come in here.$/,/^## end of per-host part.$/c\
+#### configure.in per-host parts come in here.\
+## end of per-host part.' \
+       -e '/^#### configure.in per-target parts come in here.$/,/^## end of per-target part.$/c\
+#### configure.in per-target parts come in here.\
+## end of per-target part.' \
+       -e '/^#### configure.in post-target parts come in here.$/,/^## end of post-target part.$/c\
+#### configure.in post-target parts come in here.\
+## end of post-target part.' \
+       < ${template} > template.new
+
+       if [ -r configure.in ] ; then
+               if [ -z "`grep '^# per\-host:' configure.in`" ] ; then
+                       echo '***' `pwd`/configure.in has no "per-host:" line. 1>&2
+                       exit 1
+               fi
 
-       if [ -r configure.in ]
-       then
-               sed -e "/^####/  r configure.in" $template >> configure
+               if [ -z "`grep '^# per\-target:' configure.in`" ] ; then
+                       echo '***' `pwd`/configure.in has no "per-target:" line. 1>&2
+                       exit 1
+               fi
+
+               # split configure.in into common, per-host, per-target,
+               # and post-target parts.  Post-target is optional.
+               sed -e '/^# per\-host:/,$d' configure.in > configure.com
+               sed -e '1,/^# per\-host:/d' -e '/^# per\-target:/,$d' configure.in > configure.hst
+               if grep -s '^# post-target:' configure.in ; then
+                 sed -e '1,/^# per\-target:/d' -e '/^# post\-target:/,$d' configure.in > configure.tgt
+                 sed -e '1,/^# post\-target:/d' configure.in > configure.pos
+               else
+                 sed -e '1,/^# per\-target:/d' configure.in > configure.tgt
+                 echo >configure.pos
+               fi
+
+               # and insert them
+               sed -e '/^#### configure.in common parts come in here.$/  r configure.com' \
+                       -e '/^#### configure.in per\-host parts come in here.$/  r configure.hst' \
+                       -e '/^#### configure.in per\-target parts come in here.$/  r configure.tgt' \
+                       -e '/^#### configure.in post\-target parts come in here.$/  r configure.pos' \
+                       template.new > configure.new
+
+               rm -f configure.com configure.tgt configure.hst configure.pos
        else
-               cat $template >> configure
+               echo Warning: no configure.in in `pwd`
+               cat ${template} >> configure
+       fi
+
+       chmod a+x configure.new
+       rm template.new
+#      mv configure configure.old
+       mv configure.new configure
+
+       if [ -n "${verbose}" ] ; then
+               echo Rebuilt configure in `pwd`
+       fi
+
+       # Now update config.sub from the template directory.
+       if echo "$template" | grep -s 'configure$' ; then
+               cp `echo "$template" | sed s/configure$/config.sub/` ./config.sub.new
+       #       mv config.sub config.sub.old
+               mv config.sub.new config.sub
+
+               if [ -n "${verbose}" ] ; then
+                       echo Rebuilt config.sub in `pwd`
+               fi
        fi
 
-       chmod a+x configure
-       rm configure.old
-       echo Rebuilt configure in `pwd`
+       if [ -z "${norecursion}" ] ; then
+               # If template is relative path, make it absolute for recurring.
+               if echo "${template}" | grep -s '^/' ; then
+                  true
+               else
+                  template=`pwd`/${template}
+               fi
 
-       if [ x$norecurse = x ]
-       then
-               while [ -n "$configdirs" ]
-               do
+               while [ -n "${configdirs}" ] ; do
                        # set configdir to car of configdirs, configdirs to cdr of configdirs
-                       set $configdirs; configdir=$1; shift; configdirs=$*
+                       set ${configdirs}; configdir=$1; shift; configdirs=$*
 
-                       if [ "`echo ${configdir}.*`" != "${configdir}.*" ]
-                       then
+                       if [ "`echo ${configdir}.*`" != "${configdir}.*" ] ; then
                                targetspecificdirs=${configdir}.*
                        else
                                targetspecificdirs=
                        fi
 
-                       for i in ${configdir} ${targetspecificdirs}
-                       do
-                               if [ -r $i/configure ]
-                               then
-                                       (cd $i ;
-                                               configure +template=${template})
+                       for i in ${configdir} ${targetspecificdirs} ; do
+                               if [ -d $i ] ; then
+                                       if [ -r $i/configure ] ; then
+                                               (cd $i ;
+                                                       ./configure +template=${template} ${verbose})
+                                       else
+                                               echo Warning: No configure script in `pwd`/$i
+                                       fi
                                else
-                                       echo No configure script in `pwd`/$i
+                                       if [ -n "${verbose}" ] ; then
+                                         echo Warning: directory $i is missing.
+                                       fi
                                fi
                        done
                done
@@ -190,219 +302,375 @@ then
        exit 0
 fi
 
-# Temporarily, we support only direct subdir builds.
-hostsubdir=Host-$host
-targetsubdir=Target-$target
-
-if [ -n "$removing" ]
-then
-#      rm -rf $hostsubdir/$targetsubdir
-#
-#      if [ -z "`(ls $hostsubdir) 2>&1 | grep Target-`" ]
-#      then
-#              rm -rf $hostsubdir
-#      fi
-
-       rm -f .gdbinit Makefile config.status $links
+# some sanity checks on configure.in
+if [ -z "${srctrigger}" ] ; then
+       echo Warning: srctrigger not set in configure.in. `pwd` not configured.
+       exit 1
+fi
 
-else
-#      if [ ! -d $hostsubdir ] ; then mkdir $hostsubdir ; fi
-#      cd $hostsubdir
-#
-#      if [ ! -d $targetsubdir ] ; then mkdir $targetsubdir ; fi
-#      cd $targetsubdir
-#
-#      srcdir=../..
-
-       # Find the source files, if location was not specified.
-       if [ x$srcdir = x ]
-       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 ${srcname} sources in \`${srcdir}'." 1>&2
-               else
-                 echo "$progname: Can't find ${srcname} sources in \`.' or \`..'." 1>&2
-               fi
-               exit 1
+for host in ${hosts} ; do
+       # Default other arg
+       if [ -z "${targets}" -o -n "${defaulttargets}" ] ; then
+               targets=${host}
+               defaulttargets=true
        fi
 
-       # Set up the list of links to be made.
-       # $links is the list of link names, and $files is the list of names to link to.
+       host_alias=${host}
 
-       # 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=$1; shift; links=$*
+       result=`/bin/sh ./config.sub ${host}`
+       host_cpu=`echo $result | sed 's/^\(.*\)-\(.*\)-\(.*\)$/\1/'`
+       host_vendor=`echo $result | sed 's/^\(.*\)-\(.*\)-\(.*\)$/\2/'`
+       host_os=`echo $result | sed 's/^\(.*\)-\(.*\)-\(.*\)$/\3/'`
+       host=${host_cpu}-${host_vendor}-${host_os}
+       host_makefile_frag=config/hmake-${host}
 
-               if [ ! -r ${srcdir}/${file} ]
-               then
-                       echo "$progname: cannot create a link \"${link}\"," 1>&2
-                       echo "since the file \"$file\" does not exist." 1>&2
-                       exit 1
-               fi
+#### configure.in per-host parts come in here.
+
+if [ "${host_os}" = "posix" ] ; then
+       my_host=posix
+else
+       case "${host_cpu}" in
+       rs6000) my_host=aix ;;
+       mips)
+               case "${host_vendor}" in
+               dec)    my_host=dec3100 ;;
+               esac
+               ;;
+       m88k)
+               case "${host_vendor}" in
+               *)
+                       case "${host_os}" in
+                       dgux)   my_host=dgux ;;
+                       esac
+                       ;;
+               esac
+               ;;
 
-               $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 $link
+       m68k)
+               case "${host_vendor}" in
+               hp)     my_host=hp9000 ;;
+               sony)   my_host=news ;;
+               sun)    my_host=sun3 ;;
+               esac
+               ;;
 
-               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
-
-       # Install a makefile, and make it set VPATH
-       # if necessary so that the sources are found.
-       # Also change its value of srcdir.
-       # Also create a .gdbinit file which runs the one in srcdir
-       # and tells GDB to look there for source files.
-       case $srcdir in
-       .)
+       i386)
+               case "${host_vendor}" in
+               *)
+                       case "${host_os}" in
+                       sysv)   my_host=i386v ;;
+                       esac
+                       ;;
+               esac
                ;;
-       *)
-               echo "VPATH = ${srcdir}" > x
-               cat x ${srcdir}/Makefile.in | sed "s@^srcdir = \.@srcdir = ${srcdir}@" > Makefile.in
-               rm x
-               echo "dir ." > .gdbinit
-               echo "dir ${srcdir}" >> .gdbinit
-               echo "source ${srcdir}/.gdbinit" >> .gdbinit
+
+       sparc)
+               case "${host_vendor}" in
+               sun)    my_host=sun4 ;;
+               esac
                ;;
+
+       rtpc)   my_host=rtbsd ;;
+       tahoe | vax)    my_host=${host_cpu} ;;
        esac
+fi
 
-       host_var_file=hmake-${host}
-       target_var_file=tmake-${target}
+if [ ! -f config/hmake-${my_host} ] ; then
+       echo '***' Binutils do not support host ${host}
+       exit 1
+fi
 
-       # Conditionalize the makefile for this machine.
-       if [ -f ${srcdir}/config/${host_var_file} ]
-       then
-               sed -e "/^####/  r ${srcdir}/config/${host_var_file}" Makefile.in > Makefile.tem
-       else
-               cp Makefile.in Makefile.tem
-       fi
+host_makefile_frag=config/hmake-${my_host}
 
-       if [ -f ${srcdir}/config/${target_var_file} ]
-       then
-               sed -e "/^####/  r ${srcdir}/config/${target_var_file}" Makefile.tem > Makefile.tem1
-               mv Makefile.tem1 Makefile.tem
-       fi
+## end of per-host part.
 
-       # Remove all formfeeds, since some Makes get confused by them.
-       sed "s/\f//" Makefile.tem >> Makefile.tem1
-       mv Makefile.tem1 Makefile.tem
+       for target in ${targets} ; do
 
-       # reset SUBDIRS
-       sed "s:^SUBDIRS =.*$:SUBDIRS = ${configdirs}:" Makefile.tem > Makefile.tem1
-       mv Makefile.tem1 Makefile.tem
+               target_alias=${target}
+               result=`/bin/sh ./config.sub ${target}`
+               target_cpu=`echo $result | sed 's/^\(.*\)-\(.*\)-\(.*\)$/\1/'`
+               target_vendor=`echo $result | sed 's/^\(.*\)-\(.*\)-\(.*\)$/\2/'`
+               target_os=`echo $result | sed 's/^\(.*\)-\(.*\)-\(.*\)$/\3/'`
+               target=${target_cpu}-${target_vendor}-${target_os}
+               target_makefile_frag=config/tmake-${target}
 
-       # reset NONSUBDIRS
-       sed "s:^NONSUBDIRS =.*$:NONSUBDIRS = ${noconfigdirs}:" Makefile.tem > Makefile.tem1
-       mv Makefile.tem1 Makefile.tem
+#### configure.in per-target parts come in here.
 
-       # Delete the intermediate files
-       if [ x$srcdir != x. ] ; then rm Makefile.in ; fi
+files=
+links=
+## end of per-target part.
 
-       rm -f Makefile
+               # Temporarily, we support only direct subdir builds.
+               hostsubdir=H-${host_alias}
+               targetsubdir=T-${target_alias}
 
-       # 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 [ -n "${removing}" ] ; then
+                       if [ -n "${subdirs}" ] ; then
+                               if [ -d "${hostsubdir}" ] ; then
+                                       rm -rf ${hostsubdir}/${targetsubdir}
 
-       # set target and host
-       echo "host = $host" >> Makefile
-       echo "target = $target" >> Makefile
+                                       if [ -z "`(ls ${hostsubdir}) 2>&1 | grep Target- | grep -v Target-independent`" ] ; then
+                                               rm -rf ${hostsubdir}
+                                       fi
+                               else
+                                       echo Warning: no `pwd`/${hostsubdir} to remove.
+                               fi
+                       else
+                               rm -f ${Makefile} config.status ${links}
+                       fi
+               else
+                       if [ -n "${subdirs}" ] ; then
+                               # check for existing status before allowing forced subdirs.
+                               if [ -f ${Makefile} ] ; then
+                                       echo '***' "${Makefile} already exists in source directory.  `pwd` not configured." 1>&2
+                                       exit 1
+                               fi
 
-       cat Makefile.tem >> Makefile
-       rm Makefile.tem
+                               if [ ! -d ${hostsubdir} ] ; then mkdir ${hostsubdir} ; fi
+                               cd ${hostsubdir}
 
-       using=
-       if [ -f ${srcdir}/config/${host_var_file} ]
-       then
-               using=" using \"${host_var_file}\""
-       fi
+                               if [ ! -d ${targetsubdir} ] ; then
+                                       if [ -z "${commontargets}" ] ; then
+                                               mkdir ${targetsubdir}
+                                       else
+                                               if [ ! -d Target-independent ] ; then
+                                                       mkdir Target-independent
+                                               fi
 
-       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
+                                               ${symbolic_link} Target-independent ${targetsubdir}
+                                       fi # if target independent
+                               fi # if no target dir yet
 
-       echo "Created \"Makefile\""${andusing}.
+                               cd ${targetsubdir}
 
-       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
+                               srcdir=../..
+                       else
+                               # if not subdir builds, then make sure none exist.
+                               if [ -n "`(ls .) 2>&1 | grep Host-`" ] ; then
+                                       echo '***' "Configured subdirs exist.  `pwd` not configured." 1>&2
+                                       exit 1
+                               fi
+                       fi
 
-       cd ${srcdir}
-fi
+                       # Find the source files, if location was not specified.
+                       if [ -z "${srcdir}" ] ; then
+                               srcdirdefaulted=1
+                               srcdir=.
+                               if [ -n "${srctrigger}" -a ! -r ${srctrigger} ] ; then
+                                       srcdir=..
+                               fi
+                       fi
 
-# If there are subdirectories, then recurse. 
+                       if [ -n "${srctrigger}" -a ! -r ${srcdir}/${srctrigger} ] ; then
+                               if [ -z "${srcdirdefaulted}" ] ; then
+                                       echo '***' "${progname}: Can't find ${srcname} sources in `pwd`/${srcdir}" 1>&2
+                               else
+                                       echo '***' "${progname}: Can't find ${srcname} sources in `pwd`/. or `pwd`/.." 1>&2
+                               fi
 
-if [ -n "$norecurse" ] ; then exit 0 ; fi
+                               echo '***' \(At least ${srctrigger} is missing.\) 1>&2
+                               exit 1
+                       fi
 
-while [ -n "$configdirs" ]
-do
-       # set configdir to car of configdirs, configdirs to cdr of configdirs
-       set $configdirs; configdir=$1; shift; configdirs=$*
-
-       # check for target override
-       targetspecificdir=${configdir}.${target}
-       if [ -d ${targetspecificdir} ]
-       then
-               configdir=${targetspecificdir}
-       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.
 
-       echo Configuring ${configdir}...
-#      (cd ${configdir} ;
-#              configure +host=${host} ${target} ${removing}) \
-#              | sed 's/^/     /'
+                       # Make the links.
+                       while [ -n "${files}" ] ; do
+                               # set file to car of files, files to cdr of files
+                               set ${files}; file=$1; shift; files=$*
+                               set ${links}; link=$1; shift; links=$*
 
-       (cd ${configdir} ;
-               ./configure +host=${host} ${target} ${removing}) \
-               | sed 's/^/     /'
-done
+                               if [ ! -r ${srcdir}/${file} ] ; then
+                                       echo '***' "${progname}: cannot create a link \"${link}\"," 1>&2
+                                       echo '***' "since the file \"${file}\" does not exist." 1>&2
+                                       exit 1
+                               fi
+
+                               ${remove} -f ${link}
+                               rm -f config.status
+                               # Make a symlink if possible, otherwise try a hard link
+                               ${symbolic_link} ${srcdir}/${file} ${link} 2>/dev/null || ${hard_link} ${srcdir}/${file} ${link}
+
+                               if [ ! -r ${link} ] ; then
+                                       echo '***' "${progname}: unable to link \"${link}\" to \"${srcdir}/${file}\"." 1>&2
+                                       exit 1
+                               fi
+
+                               if [ -n "${verbose}" ] ; then
+                                       echo "Linked \"${link}\" to \"${srcdir}/${file}\"."
+                               fi
+                       done
+
+                       # Create a .gdbinit file which runs the one in srcdir
+                       # and tells GDB to look there for source files.
+
+                       case ${srcdir} in
+                       .)
+                               ;;
+                       *)
+                               echo "dir ." > .gdbinit
+                               echo "dir ${srcdir}" >> .gdbinit
+                               echo "source ${srcdir}/.gdbinit" >> .gdbinit
+                               ;;
+                       esac
+
+                       # Install a makefile, and make it set VPATH
+                       # if necessary so that the sources are found.
+                       # Also change its value of srcdir.
+
+               # FIXME-someday: This business of always writing to .tem and mv back
+               # is so that I don't screw things up while developing.  Once this
+               # template is stable, these should be optimized. xoxorich.
+
+                       # Define macro CROSS_COMPILE in compilation if this is a cross-compiler.
+                       if [ "${host}" != "${target}" ] ; then
+                               echo "CROSS=-DCROSS_COMPILE" > ${Makefile}
+                               echo "ALL=start.encap" >> ${Makefile}
+                       else
+                               echo "ALL=all.internal" > ${Makefile}
+                       fi
+
+                       # set target, host, VPATH
+                       echo "host_alias = ${host_alias}" >> ${Makefile}
+                       echo "host_cpu = ${host_cpu}" >> ${Makefile}
+                       echo "host_vendor = ${host_vendor}" >> ${Makefile}
+                       echo "host_os = ${host_os}" >> ${Makefile}
+
+                       echo "target_alias = ${target_alias}" >> ${Makefile}
+                       echo "target_cpu = ${target_cpu}" >> ${Makefile}
+                       echo "target_vendor = ${target_vendor}" >> ${Makefile}
+                       echo "target_os = ${target_os}" >> ${Makefile}
+
+                       if [ -n "${subdirs}" ] ; then
+                               echo "subdir = /${hostsubdir}/${targetsubdir}" >> ${Makefile}
+                       else
+                               echo "subdir =" >> ${Makefile}
+                       fi
+
+               #       echo "workdir = `pwd`" >> ${Makefile}
+                       echo "VPATH = ${srcdir}" >> ${Makefile}
+
+                       # add "Makefile.in" (or whatever it's called)
+                       cat ${srcdir}/${Makefile_in} >> ${Makefile}
+
+                       # Conditionalize the makefile for this host.
+                       if [ -f ${srcdir}/${host_makefile_frag} ] ; then
+                               (echo "host_makefile_frag = ${srcdir}/${host_makefile_frag}" ; 
+                                       sed -e "/^####/  r ${srcdir}/${host_makefile_frag}" ${Makefile}) > Makefile.tem
+                               mv Makefile.tem ${Makefile}
+                       fi
+
+                       # Conditionalize the makefile for this target.
+                       if [ -f ${srcdir}/${target_makefile_frag} ] ; then
+                               (echo "target_makefile_frag = ${srcdir}/${target_makefile_frag}" ; 
+                                       sed -e "/^####/  r ${srcdir}/${target_makefile_frag}" ${Makefile}) > Makefile.tem
+                               mv Makefile.tem ${Makefile}
+                       fi
+
+                       # set srcdir
+                       sed "s@^srcdir = \.@srcdir = ${srcdir}@" ${Makefile} > Makefile.tem
+                       mv Makefile.tem ${Makefile}
+
+                       # set destdir
+                       if [ -n "${destdir}" ] ; then
+                               sed "s:^destdir =.*$:destdir = ${destdir}:" ${Makefile} > Makefile.tem
+                               mv Makefile.tem ${Makefile}
+                       fi
+
+                       # reset SUBDIRS
+                       sed "s:^SUBDIRS =.*$:SUBDIRS = ${configdirs}:" ${Makefile} > Makefile.tem
+                       mv Makefile.tem ${Makefile}
+
+                       # reset NONSUBDIRS
+                       sed "s:^NONSUBDIRS =.*$:NONSUBDIRS = ${noconfigdirs}:" ${Makefile} > Makefile.tem
+                       mv Makefile.tem ${Makefile}
+
+                       using=
+                       if [ -f ${srcdir}/${host_makefile_frag} ] ; then
+                               using=" using \"${host_makefile_frag}\""
+                       fi
+
+                       # remove any form feeds.
+                       sed -e "s/\f//" ${Makefile} > Makefile.tem
+                       mv Makefile.tem ${Makefile}
+
+                       if [ -f ${srcdir}/${target_makefile_frag} ] ; then
+                               if [ -z "${using}" ] ; then
+                                       andusing=" using \"${target_makefile_frag}\""
+                               else
+                                       andusing="${using} and \"${target_makefile_frag}\""
+                               fi
+                       else
+                               andusing=${using}
+                       fi
+
+                       if [ -n "${verbose}" -o -z "${recurring}" ] ; then
+                               echo "Created \"${Makefile}\"" in `pwd`${andusing}.
+                       fi
+
+#### configure.in post-target parts come in here.
+
+## end of post-target part.
+
+                       # describe the chosen configuration in config.status.
+                       # Make that file a shellscript which will reestablish
+                       # the same configuration.  Used in Makefiles to rebuild
+                       # Makefiles.
+
+                       echo "#!/bin/sh
+# ${srcname} was configured as follows:
+${srcdir}/configure" ${arguments} `if [ -z "${norecursion}" ] ; then echo +norecursion ; else true ; fi` > config.status
+                       chmod a+x config.status
+
+                       originaldir=`pwd`
+                       cd ${srcdir}
+               fi
+
+               # If there are subdirectories, then recurse. 
+               if [ -z "${norecursion}" -a -n "${configdirs}" ] ; then 
+                       for configdir in ${configdirs} ; do
+                               if [ -n "${verbose}" ] ; then
+                                       echo Configuring ${configdir}...
+                               fi
+
+                               if [ -d ${configdir} ] ; then
+                                       (cd ${configdir} ;
+                                               ./configure +recurring ${host_alias} +target=${target_alias} \
+                                                       ${verbose} ${subdirs} ${removing} +destdir=${destdir}) \
+                                               | sed 's/^/     /'
+                               else
+                                       if [ -n "${verbose}" ] ; then
+                                               echo Warning: directory \"${configdir}\" is missing.
+                                       fi
+                               fi
+                       done
+               fi
+       done # for each target
+
+       # Now build a Makefile for this host.
+       if [ -n "${subdirs}" -a ! -n "${removing}" ] ; then
+               cd ${hostsubdir}
+               cat > GNUmakefile << E!O!F
+# Makefile generated by configure for host ${host_alias}.
+
+ALL := $(shell ls -d Target-*)
+
+%:
+       $(foreach subdir,$(ALL),$(MAKE) -C $(subdir) \$@ &&) true
+
+all:
+E!O!F
+               cd ..
+       fi
+done # for each host
 
 exit 0
 
 #
-# $Log$
-# Revision 1.2  1991/04/09 23:44:28  rich
-# First cut config hits binutils.
-#
+# Local Variables:
+# fill-column: 131
+# End:
 #
-#
-
 
-# end of configure.template
+# end of configure
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