Revise to match config renaming.
[deliverable/binutils-gdb.git] / configure
index 7247ecdc1b55267371f4fcb30c4fa6e7d9a7016e..6586640ed2b8b8859d74642e477d9e77154bf67a 100755 (executable)
--- a/configure
+++ b/configure
@@ -1,43 +1,39 @@
-#!/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
+set -e
 
 remove=rm
 hard_link=ln
@@ -49,414 +45,640 @@ symbolic_link='ln -s'
 #symbolic_link="echo ln -s"
 
 # clear some things potentially inherited from environment.
+
+Makefile=Makefile
+Makefile_in=Makefile.in
 ansi=
+arguments=$*
+commontargets=
+configdirs=
+defaulttargets=
 destdir=
+fatal=
 hostsubdir=
-norecurse=
+norecursion=
+objdir=
+objdiroption=
+progname=
+recurring=
 removing=
 srcdir=
 srctrigger=
 target=
+targets=
 targetsubdir=
-template=
+verbose=
 
 for arg in $*;
 do
        case ${arg} in
-       -ansi | +ansi)
+       -ansi | +a*)
                ansi=true
+               clib=clib
                ;;
        -destdir=* | +destdir=* | +destdi=* | +destd=* | +dest=* | +des=* | +de=* | +d=*)
                destdir=`echo ${arg} | sed 's/[+-]d[a-z]*=//'`
                ;;
-       -forcesubdirs | +f*)
-               forcesubdirs=${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 ${arg} | sed 's/[+-]l[a-z]*=//'`"
                ;;
-       -gas | +gas | +ga | +g)
+       -gas | +g*)
                gas=yes
                ;;
-       -nfp | +nfp | +nf | +n)
+       -help | +h*)
+               fatal=true
+               ;;
+       -nfp | +nf*)
                nfp=yes
                ;;
-       -norecurse | +norecurse)
-               norecurse=true
+       -norecursion | +no*)
+               norecursion=true
+               ;;
+       -objdir=* | +objdir=* | +objdi=* | +objd=* | +obj=* | +ob=* | +o=*)
+               objdiroption=${arg}
+               objdir=`echo ${arg} | sed 's/[+-]o[a-z]*=//'`
+               ;;
+       -recurring | +recurring | +recurrin | +recurri | +recurr | +recur | +recu | +rec | +re)
+               recurring=true
                ;;
        -rm | +rm)
                removing=${arg}
                ;;
-       -srcdir=* | +srcdir=* | +srcdi=* | +srcd=* | +src=* | +sr=* | +s=*)
-               srcdir=`echo ${arg} | sed 's/[+-]s[a-z]*=//'`
+       -site=* | +site=* | +sit=* | +si=*)
+               site=`echo ${arg} | sed 's/[+-]s[a-z]*=//'`
+               ;;
+#      -srcdir=* | +srcdir=* | +srcdi=* | +srcd=* | +src=* | +sr=*)
+#              srcdir=`echo ${arg} | sed 's/[+-]s[a-z]*=//'`
+#              ;;
+       -subdirs | +su*)
+               subdirs=${arg}
+               ;;
+       -target=* | +target=* | +targe=* | +targ=* | +tar=* | +ta=*)
+               if [ -n "${targets}" ] ; then
+                       subdirs="+subdirs"
+               fi
+
+               newtargets="${targets} `echo ${arg} | sed 's/[+-]t[a-z]*=//'`"
+               targets="${newtargets}"
                ;;
-       -template=* | +template=*)
-               template=`echo ${arg} | sed 's/[+-]template=//'`
+       -tmpdir=* | +tmpdir=* | +tmpdi=* | +tmpd=* | +tmp=* | +tm=*)
+               tmpdiroption=${arg}
+               TMPDIR=`echo ${arg} | sed 's/[+-]t[a-z]*=//'`
+               ;;
+       -v | -verbose | +v*)
+               verbose=${arg}
+               ;;
+       -* | +*)
+               (echo ;
+               echo "Unrecognized option: \"${arg}\"". ;
+               echo) 1>&2
+               fatal=true
                ;;
        *)
-# Allow configure HOST TARGET
-               if [ -z "${host}" ] ; 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 or removing.
-if [ -z "${template}" -a -z "${removing}" ]
-then
+if [ -n "${verbose}" ] ; then
+       echo $0 $*
+fi
+
+## 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.
+##
+
+if (echo $0 | grep '^/' > /dev/null) ; then
+       progname=$0
+else
+       if (echo $0 | grep '/' > /dev/null) ; then
+               progname=`pwd`/$0
+       else
+               progname=$0
+               PATH=$PATH:`pwd` ; export PATH
+       fi
+fi
+
+configsub=`echo ${progname} | sed 's/configure\$/config.sub/'`
+
+if [ ! -f ${configsub} ] ; then
+       echo '***' cannot find config.sub.
+       echo 1
+fi
+
+# process host and target only if not removing.
+if [ -z "${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 " +gas             configure the compilers for use with gas. [native as]" ;
+       echo " +help            print this message. [normal config]" ;
+       echo " +lang=LANG       configure to build LANG. [gcc]" ;
+       echo " +nfp             configure the compilers default to soft floating point. [hard float]" ;
+       echo " +norecursion     configure this directory only. [recurse]" ;
+       echo " +objdir=ODIR     configure in a parallel tree rooted in ODIR. [rooted in \".\"]" ;
+       echo " +rm              remove this configuration. [build a configuration]" ;
+       echo " +site            configure with site specific makefile" ;
+# 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 clib"
-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}."
+### break up configure.in.
+if [ -r configure.in ] ; then
+       if [ -z "`grep '^# per\-host:' configure.in`" ] ; then
+               echo '***' `pwd`/configure.in has no "per-host:" line. 1>&2
+               exit 1
+       fi
+
+       if [ -z "`grep '^# per\-target:' configure.in`" ] ; then
+               echo '***' `pwd`/configure.in has no "per-target:" line. 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
+       if [ -z "${TMPDIR}" ] ; then
+               TMPDIR=/tmp ; export TMPDIR
+       fi
 
-       if [ -r configure.in ]
-       then
-               sed -e "/^####/  r configure.in" ${template} >> configure
+       # split configure.in into common, per-host, per-target,
+       # and post-target parts.  Post-target is optional.
+       sed -e '/^# per\-host:/,$d' configure.in > ${TMPDIR}/configure.$$.com
+       sed -e '1,/^# per\-host:/d' -e '/^# per\-target:/,$d' configure.in > ${TMPDIR}/configure.$$.hst
+       if grep -s '^# post-target:' configure.in ; then
+         sed -e '1,/^# per\-target:/d' -e '/^# post\-target:/,$d' configure.in > ${TMPDIR}/configure.$$.tgt
+         sed -e '1,/^# post\-target:/d' configure.in > ${TMPDIR}/configure.$$.pos
        else
-               echo Warning: no configure.in in `pwd`
-               cat ${template} >> configure
+         sed -e '1,/^# per\-target:/d' configure.in > ${TMPDIR}/configure.$$.tgt
+         echo >${TMPDIR}/configure.$$.pos
+       fi
+
+else
+       echo '***' No configure.in in `pwd`
+       exit 1
+fi
+
+### do common part of configure.in
+
+. ${TMPDIR}/configure.$$.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
 
-       chmod a+x configure
-       rm configure.old
-       echo Rebuilt configure in `pwd`
+       host_alias=${host}
+
+       result=`${configsub} ${host}`
+       host_cpu=`echo $result | sed 's/^\(.*\)-\(.*\)-\(.*\)$/\1/'`
+       host_vendor=`echo $result | sed 's/^\(.*\)-\(.*\)-\(.*\)$/\2/'`
+       host_os=`echo $result | sed 's/^\(.*\)-\(.*\)-\(.*\)$/\3/'`
+       host=${host_cpu}-${host_vendor}-${host_os}
+       host_makefile_frag=config/hmake-${host}
+
+       . ${TMPDIR}/configure.$$.hst
 
-       if [ -z "${norecurse}" ]
-       then
-               while [ -n "${configdirs}" ]
-               do
-                       # set configdir to car of configdirs, configdirs to cdr of configdirs
-                       set ${configdirs}; configdir=$1; shift; configdirs=$*
+       for target in ${targets} ; do
 
-                       if [ "`echo ${configdir}.*`" != "${configdir}.*" ]
-                       then
-                               targetspecificdirs=${configdir}.*
+               target_alias=${target}
+               result=`${configsub} ${target}`
+               target_cpu=`echo $result | sed 's/^\(.*\)-\(.*\)-\(.*\)$/\1/'`
+               target_vendor=`echo $result | sed 's/^\(.*\)-\(.*\)-\(.*\)$/\2/'`
+               target_os=`echo $result | sed 's/^\(.*\)-\(.*\)-\(.*\)$/\3/'`
+               target=${target_cpu}-${target_vendor}-${target_os}
+               target_makefile_frag=config/tmake-${target}
+
+               . ${TMPDIR}/configure.$$.tgt
+
+               # Temporarily, we support only direct subdir builds.
+               hostsubdir=H-${host_alias}
+               targetsubdir=T-${target_alias}
+
+               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 "${hostsubdir}" ] ; then
+                                       rm -rf ${hostsubdir}/${targetsubdir}
+
+                                       if [ -z "`(ls ${hostsubdir}) 2>&1 | grep T- | grep -v T-independent`" ] ; then
+                                               rm -rf ${hostsubdir}
+                                       fi
+                               else
+                                       echo Warning: no `pwd`/${hostsubdir} to remove.
+                               fi
                        else
-                               targetspecificdirs=
+                               rm -f ${Makefile} config.status ${links}
+                       fi
+               else
+                       if [ -n "${objdir}" ]; then
+                               srcdir=`pwd`
+                               cd ${objdir}
                        fi
 
-                       for i in ${configdir} ${targetspecificdirs}
-                       do
-                               if [ -r $i/configure ]
-                               then
-                                       (cd $i ;
-                                               configure +template=${template})
+                       if [ -n "${subdirs}" ] ; then
+                               # check for existing status before allowing forced subdirs.
+                               if [ -f ${Makefile} ] ; then
+                                       echo '***' "${Makefile} already exists in source directory.  `pwd` not configured." 1>&2
+                                       exit 1
+                               fi
+
+                               if [ ! -d ${hostsubdir} ] ; then mkdir ${hostsubdir} ; fi
+                               cd ${hostsubdir}
+
+                               if [ ! -d ${targetsubdir} ] ; then
+                                       if [ -z "${commontargets}" ] ; then
+                                               mkdir ${targetsubdir}
+                                       else
+                                               if [ ! -d T-independent ] ; then
+                                                       mkdir T-independent
+                                               fi
+
+                                               ${symbolic_link} T-independent ${targetsubdir}
+                                       fi # if target independent
+                               fi # if no target dir yet
+
+                               cd ${targetsubdir}
+
+                               if [ -z "${srcdir}" ] ; then
+                                       srcdir=../..
+                               fi
+                       else
+                               # if not subdir builds, then make sure none exist.
+                               if [ -n "`(ls .) 2>&1 | (grep H- ; true)`" ] ; then
+                                       echo '***' "Configured subdirs exist.  `pwd` not configured." 1>&2
+                                       exit 1
                                else
-                                       echo No configure script in `pwd`/$i
+                                       true
                                fi
-                       done
-               done
-       fi
+                       fi
 
-       exit 0
-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
 
-# some sanity checks on configure.in
-if [ -z "${srctrigger}" ]
-then
-       echo srctrigger not set in configure.in. `pwd` not configured.
-       exit 1
-fi
+                       if [ -n "${srctrigger}" -a ! -r ${srcdir}/${srctrigger} ] ; then
+                               if [ -z "${srcdirdefaulted}" ] ; then
+                                       echo '***' "${progname}: Can't find ${srcname} sources in `pwd`/${srcdir}" 1>&2
+                               else
+                                       echo '***' "${progname}: Can't find ${srcname} sources in `pwd`/. or `pwd`/.." 1>&2
+                               fi
 
-# Temporarily, we support only direct subdir builds.
-hostsubdir=Host-${host}
-targetsubdir=Target-${target}
+                               echo '***' \(At least ${srctrigger} is missing.\) 1>&2
+                               exit 1
+                       fi
 
-if [ -n "${removing}" ]
-then
-       if [ -d "${hostsubdir}/${targetsubdir}" ]
-       then
-               rm -rf ${hostsubdir}/${targetsubdir}
+                       # 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 [ -z "`(ls ${hostsubdir}) 2>&1 | grep Target-`" ]
-               then
-                       rm -rf ${hostsubdir}
-               fi
-       else
-               rm -f .gdbinit Makefile config.status ${links}
-       fi
-else
-       if [ -n "${forcesubdirs}" ]
-       then
-               # check for existing status before allowing forced subdirs.
-               if [ -f Makefile ]
-               then
-                       echo "Makefile already exists in source directory.  `pwd` not configured."
-                       exit 1
-               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=$1; shift; links=$*
 
-               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
-               fi
-       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
 
-       # Find the source files, if location was not specified.
-       if [ -z "${srcdir}" ]
-       then
-               srcdirdefaulted=1
-               srcdir=.
-               if [ -n "${srctrigger}" -a ! -r ${srctrigger} ]
-               then
-                       srcdir=..
-               fi
-       fi
-       
-       if [ -n "${srctrigger}" -a ! -r ${srcdir}/${srctrigger} ]
-       then
-               if [ -z "${srcdirdefaulted}" ]
-               then
-                 echo "${progname}: Can't find ${srcname} sources in \`${srcdir}'." 1>&2
-               else
-                 echo "${progname}: Can't find ${srcname} sources in \`.' or \`..'." 1>&2
-               fi
-               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}
 
-       # 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
+                               if [ ! -r ${link} ] ; then
+                                       echo '***' "${progname}: unable to link \"${link}\" to \"${srcdir}/${file}\"." 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} ${link}
+                               if [ -n "${verbose}" ] ; then
+                                       echo "Linked \"${link}\" to \"${srcdir}/${file}\"."
+                               fi
+                       done
 
-               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 ${srcdir}/.gdbinit" >> .gdbinit
+                               ;;
+                       esac
+
+                       # Install a makefile, and make it set VPATH
+                       # if necessary so that the sources are found.
+                       # Also change its value of srcdir.
+
+               # FIXME-someday: This business of always writing to .tem and mv back
+               # is so that I don't screw things up while developing.  Once this
+               # template is stable, these should be optimized. xoxorich.
+
+                       # Define macro CROSS_COMPILE in compilation if this is a cross-compiler.
+                       if [ "${host}" != "${target}" ] ; then
+                               echo "CROSS=-DCROSS_COMPILE" > ${Makefile}
+                               echo "ALL=start.encap" >> ${Makefile}
+                       else
+                               echo "ALL=all.internal" > ${Makefile}
+                       fi
 
-       # Create a .gdbinit file which runs the one in srcdir
-       # and tells GDB to look there for source files.
+                       # set target, host, VPATH
+                       echo "host_alias = ${host_alias}" >> ${Makefile}
+                       echo "host_cpu = ${host_cpu}" >> ${Makefile}
+                       echo "host_vendor = ${host_vendor}" >> ${Makefile}
+                       echo "host_os = ${host_os}" >> ${Makefile}
 
-       case ${srcdir} in
-       .)
-               ;;
-       *)
-               echo "dir ." > .gdbinit
-               echo "dir ${srcdir}" >> .gdbinit
-               echo "source ${srcdir}/.gdbinit" >> .gdbinit
-               ;;
-       esac
+                       echo "target_alias = ${target_alias}" >> ${Makefile}
+                       echo "target_cpu = ${target_cpu}" >> ${Makefile}
+                       echo "target_vendor = ${target_vendor}" >> ${Makefile}
+                       echo "target_os = ${target_os}" >> ${Makefile}
 
-       # Install a makefile, and make it set VPATH
-       # if necessary so that the sources are found.
-       # Also change its value of srcdir.
+                       if [ -n "${subdirs}" ] ; then
+                               (echo "subdir = /${hostsubdir}/${targetsubdir}" ;
+                                       echo "unsubdir = ../..") >> ${Makefile}
+                       else
+                               (echo "subdir =" ;
+                                       echo "unsubdir = .") >> ${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.
+               #       echo "workdir = `pwd`" >> ${Makefile}
+                       echo "VPATH = ${srcdir}" >> ${Makefile}
 
-       # 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
+                       # add "Makefile.in" (or whatever it's called)
+                       cat ${srcdir}/${Makefile_in} >> ${Makefile}
 
-       # set target, host, VPATH
-       echo "host = ${host}" >> Makefile
-       echo "target = ${target}" >> 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
 
-       if [ -n "${forcesubdirs}" ]
-       then
-               echo "subdir = /${hostsubdir}/${targetsubdir}" >> Makefile
-       else
-               echo "subdir =" >> 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
 
-#      echo "workdir = `pwd`" >> Makefile
-       echo "VPATH = ${srcdir}" >> Makefile
+                       # Conditionalize the makefile for this site.
+                       if [ -n "${site}" ] ; then
+                               site_makefile_frag=smake-${site}
 
-       # add Makefile.in
-       cat ${srcdir}/Makefile.in >> Makefile
+                               if [ -f ${srcdir}/${site_makefile_frag} ] ; then
+                                       (echo "site_makefile_frag = ${srcdir}/${site_makefile_frag}" ; 
+                                               sed -e "/^####/  r ${srcdir}/${site_makefile_frag}" ${Makefile}) > Makefile.tem
+                                       mv Makefile.tem ${Makefile}
+                               fi
+                       fi
 
-       # and shake thoroughly.
-       host_var_file=hmake-${host}
-       target_var_file=tmake-${target}
+                       # set srcdir
+                       sed "s@^srcdir = \.@srcdir = ${srcdir}@" ${Makefile} > Makefile.tem
+                       mv Makefile.tem ${Makefile}
 
-       # Conditionalize the makefile for this host.
-       if [ -f ${srcdir}/config/${host_var_file} ]
-       then
-               sed -e "/^####/  r ${srcdir}/config/${host_var_file}" Makefile > Makefile.tem
-               mv Makefile.tem Makefile
-       fi
+                       # set destdir
+                       if [ -n "${destdir}" ] ; then
+                               sed "s:^destdir =.*$:destdir = ${destdir}:" ${Makefile} > Makefile.tem
+                               mv Makefile.tem ${Makefile}
+                       fi
 
-       # Conditionalize the makefile for this target.
-       if [ -f ${srcdir}/config/${target_var_file} ]
-       then
-               sed -e "/^####/  r ${srcdir}/config/${target_var_file}" Makefile > Makefile.tem
-               mv Makefile.tem Makefile
-       fi
+                       # reset SUBDIRS
+                       sed "s:^SUBDIRS =.*$:SUBDIRS = ${configdirs}:" ${Makefile} > Makefile.tem
+                       mv Makefile.tem ${Makefile}
 
-       # set srcdir
-       sed "s@^srcdir = \.@srcdir = ${srcdir}@" Makefile > Makefile.tem
-       mv Makefile.tem Makefile
+                       # reset NONSUBDIRS
+                       sed "s:^NONSUBDIRS =.*$:NONSUBDIRS = ${noconfigdirs}:" ${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
+                       # remove any form feeds.
+                       sed -e "s/\f//" ${Makefile} > Makefile.tem
+                       mv Makefile.tem ${Makefile}
 
-       # Remove all formfeeds, since some Makes get confused by them.
-       sed "s/\f//" Makefile >> Makefile.tem
-       mv Makefile.tem Makefile
+                       using=
+                       if [ -f ${srcdir}/${host_makefile_frag} ] ; then
+                               using=" using \"${host_makefile_frag}\""
+                       fi
 
-       # reset SUBDIRS
-       sed "s:^SUBDIRS =.*$:SUBDIRS = ${configdirs}:" 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
 
-       # reset NONSUBDIRS
-       sed "s:^NONSUBDIRS =.*$:NONSUBDIRS = ${noconfigdirs}:" Makefile > Makefile.tem
-       mv Makefile.tem Makefile
+                       if [ -f ${srcdir}/${site_makefile_frag} ] ; then
+                               if [ -z "${andusing}" ] ; then
+                                       andandusing=" using \"${site_makefile_frag}\""
+                               else
+                                       andandusing="${andusing} and \"${site_makefile_frag}\""
+                               fi
+                       else
+                               andandusing=${andusing}
+                       fi
 
-       using=
-       if [ -f ${srcdir}/config/${host_var_file} ]
-       then
-               using=" using \"${host_var_file}\""
-       fi
+                       if [ -n "${verbose}" -o -z "${recurring}" ] ; then
+                               echo "Created \"${Makefile}\"" in `pwd`${andandusing}.
+                       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}\""
+                       if [ -f ${TMPDIR}/configure.$$.pos ] ; then
+                               . ${TMPDIR}/configure.$$.pos
+                       fi
+
+                       # describe the chosen configuration in config.status.
+                       # Make that file a shellscript which will reestablish
+                       # the same configuration.  Used in Makefiles to rebuild
+                       # Makefiles.
+
+                       echo "#!/bin/sh
+# `pwd` was configured as follows:
+(cd ${srcdir} ; ${progname}" ${arguments} `if [ -z "${norecursion}" ] ; then echo +norecursion ; else true ; fi` ")" > config.status
+                       chmod a+x config.status
+
+                       originaldir=`pwd`
+                       cd ${srcdir}
                fi
-       else
-               andusing=${using}
-       fi
 
-       echo "Created \"Makefile\""${andusing}.
+               # If there are subdirectories, then recurse. 
+               if [ -z "${norecursion}" -a -n "${configdirs}" ] ; then 
+                       for configdir in ${configdirs} ; do
+                               if [ -n "${verbose}" ] ; then
+                                       echo Configuring ${configdir}...
+                               fi
 
-       if [ "${host}" = "${target}" ]
-       then
-               echo "Links are now set up for use with a ${target}." \
-                       > config.status
-#                      | tee ${srcdir}/config.status
-       else
-               echo "Links are now set up for host ${host} and target ${target}." \
-                       > config.status
-#                      | tee ${srcdir}/config.status
-       fi
+                               if [ -d ${configdir} ] ; then
+                                       if [ -n "${objdir}" ] ; then
+                                               if [ ! -d ${objdir}/${configdir} ] ; then
+                                                       mkdir ${objdir}/${configdir}
+                                               fi
+                                       fi
+
+                                       POPDIR=`pwd`
+                                       cd ${configdir} 
+
+                                       ${progname} +recurring ${host_alias} +target=${target_alias} \
+                                               ${verbose} ${subdirs} ${removing} +destdir=${destdir} \
+                                               `if [ -n "${objdir}" ] ; then echo +objdir=${objdir}/${configdir} ; fi` \
+                                               ${tmpdiroption}
+
+                                       cd ${POPDIR}
+
+#                                      (cd ${configdir} ;
+#                                              if (${progname} +recurring ${host_alias} +target=${target_alias} \
+#                                                      ${verbose} ${subdirs} ${removing} +destdir=${destdir} \
+#                                                      `if [ -n "${objdir}" ] ; then echo +objdir=${objdir}/${configdir} ; fi` \
+#                                                      ${tmpdiroption}) ; then true ; else exit 1 ; fi) \
+#                                              | sed 's/^/     /'
+                               else
+                                       if [ -n "${verbose}" ] ; then
+                                               echo Warning: directory \"${configdir}\" is missing.
+                                       fi
+                               fi
+                       done
+               fi
+       done # for each target
 
-       originaldir=`pwd`
-       cd ${srcdir}
-fi
+       # Now build a Makefile for this host.
+       if [ -n "${subdirs}" -a ! -n "${removing}" ] ; then
+               push=`pwd`
+
+               if [ -n "${objdir}" ] ; then
+                       cd ${objdir}
+               fi
 
-# If there are subdirectories, then recurse. 
+               cd ${hostsubdir}
+               cat > GNUmakefile << E!O!F
+# Makefile generated by configure for host ${host_alias}.
 
-if [ -n "${norecurse}" ] ; then exit 0 ; fi
+ALL := $(shell ls -d T-*)
 
-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}
+%:
+       $(foreach subdir,$(ALL),$(MAKE) -C $(subdir) \$@ &&) true
+
+all:
+E!O!F
+               cd ${push}
        fi
+done # for each host
 
-       echo Configuring ${configdir}...
-       (cd ${configdir} ;
-               ./configure ${forcesubdirs} ${removing} +host=${host} ${target}) \
-               | sed 's/^/     /'
-done
+### clean up.
+
+rm -f ${TMPDIR}/configure.$$.com ${TMPDIR}/configure.$$.tgt ${TMPDIR}/configure.$$.hst ${TMPDIR}/configure.$$.pos
 
 exit 0
 
+#
 #
 # $Log$
-# Revision 1.4  1991/04/13 02:11:07  rich
-# Config cut 3.  We now almost install a29k.
+# Revision 1.55  1991/10/10 04:57:23  rich
+# * Die when sub-configure's do.
+# * get the makefile building message line correct.
+# * set -e
+#
+# Revision 1.54  1991/10/10  01:04:42  rich
+# Backed out the "/bin/sh config.sub" change.  Fails when config.sub was
+# on PATH.
+#
+# Revision 1.53  1991/10/10  00:38:08  rich
+# Call config.sub as "/bin/sh config.sub" instead of directly.  This
+# protects us from the case where config.sub isn't executable.
 #
-# Revision 1.3  1991/04/11  02:41:54  rich
-# Cut 2 config.  Subdirs.
+# Revision 1.52  1991/10/09  00:48:26  rich
+# Another patch from jim.
+#
+# Revision 1.51  1991/10/08  06:07:58  wilson
+# Fix bug in smake- file code.
+#
+# Revision 1.50  1991/10/04  23:49:37  rich
+# Per's patch for my config.sub botch.
+#
+# Revision 1.49  1991/10/04  22:52:09  rich
+# Use john's heuristic for finding ourselves.  kinda like hare krishna.
+#
+# Revision 1.48  1991/10/02  13:17:28  rich
+# take out the set -e for now
+#
+# Revision 1.47  1991/10/02  10:02:23  rich
+# * temporary files in TMPDIR
+# * +objdir
+#
+# Revision 1.46  1991/10/02  06:29:53  rich
+# Added +site=foo option for naming site specific Makefile fragments.
+#
+# Revision 1.45  1991/10/02  06:15:13  rich
+# Removed +f option.  Used to stand for +forcesubdirs which is now
+# called +subdirs.
+#
+# Revision 1.44  1991/10/02  06:02:35  rich
+# Added rcs log line.
 #
 #
 #
 
+#
+# Local Variables:
+# fill-column: 131
+# End:
+#
 
-# end of configure.template
+# end of configure
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