* source.c (print_source_lines): for DOS interoperability; don't
[binutils-gdb.git] / configure
index f5a812d4fd63278ed2fff80e05849b57b9ba0c30..0975c38cab23f90604a06ff525cba760c761b7cd 100755 (executable)
--- a/configure
+++ b/configure
@@ -1,44 +1,37 @@
 #!/bin/sh
-# Do not edit this file.  It is generated automatically from configure.in
-# and a configure template.
-configdirs=
-
-#!/bin/sh
-# Do not edit this file.  It is generated automatically from configure.in
-# and a configure template.
-configdirs=
 
-# Configuration script template
-#   Copyright (C) 1988, 1990, 1991 Free Software Foundation, Inc.
+# Configuration script
+#   Copyright (C) 1988, 1990, 1991, 1992 Free Software Foundation, Inc.
 
-#This file is part of GNU.
+# 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.  */
 
-#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.
+# Please email any bugs, comments, and/or additions to this file to:
+# configure@cygnus.com
 
-#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 file was written by K. Richard Pixley.
 
 #
 # 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
+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
@@ -50,804 +43,765 @@ symbolic_link='ln -s'
 #symbolic_link="echo ln -s"
 
 # clear some things potentially inherited from environment.
-target=
-template=
-removing=
-norecurse=
-ansi=
 
-for arg in $*;
-do
-       case $arg in
-       -ansi | +ansi)
-               ansi=true
-               ;;
-       -template=* | +template=*)
-               template=`echo $arg | sed 's/[+-]template=//'`
-               ;;
-       -norecurse | +norecurse)
-               norecurse=true
-               ;;
-       -rm | +rm)
-               removing=$arg
-               ;;
-       -srcdir=* | +srcdir=* | +srcdi=* | +srcd=* | +src=* | +sr=* | +s=*)
-               srcdir=`echo $arg | sed 's/[+-]s[a-z]*=//'`
-               ;;
-       -host=* | +host=* | +hos=* | +ho=* | +h=*)
-               host=`echo $arg | sed 's/[+-]h[a-z]*=//'`
-               ;; 
-       -languages=* | +languages=* | -languag=* | +languag=* | langua=* \
-               | +langua=* | -langu=* | +langu=* | -lang=* | +lang=* | -lan=* \
-               | +lan=* | -la=* | +la=* | -l=* | +l=*)
-               languages="$languages `echo $arg | sed 's/[+-]l[a-z]*=//'`"
-               ;;
-       -gas | +gas | +ga | +g)
-               gas=yes
-               ;;
-       -nfp | +nfp | +nf | +n)
-               nfp=yes
-               ;;
-       *)
-# Allow configure HOST TARGET
-               if [ x$host = x ] ; then host=$target ; fi
-               target=$arg
-               ;;
-       esac
-done
-
-# process host and target only if not rebuilding configure itself.
-if [ -z "$template" ]
-then
-       # Complain if an arg is missing
-       if [ x$target = x ]
-       then
-               echo "Usage: $progname [+srcdir=DIR] [+host=HOST] [+gas] [+nfp] TARGET"
-               echo -n "Where HOST and TARGET are something like "
-               echo "\`vax', \`sun3', \`encore', etc."
-               if [ -r config.status ]
-               then
-                       cat config.status
-               fi
-               exit 1
-       fi
-
-       # Default other arg
-       if [ x$host = x ]
-       then
-               host=$target
-       fi
+Makefile=Makefile
+Makefile_in=Makefile.in
+arguments=$*
+configdirs=
+exec_prefix=
+exec_prefixoption=
+fatal=
+floating_point=default
+gas=default
+host_alias=
+host_makefile_frag=
+moveifchange=
+next_host=
+next_prefix=
+next_site=
+next_srcdir=
+next_target=
+next_tmpdir=
+norecursion=
+prefix=/usr/local
+progname=
+program_prefix=
+program_prefix_option=
+redirect=">/dev/null"
+removing=
+site=
+site_makefile_frag=
+site_option=
+srcdir=
+srctrigger=
+subdirs=
+target_alias=
+target_makefile_frag=
+undefinedargs=
+version="$Revision$"
+x11=default
+
+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 (and
+## must) be used as is.
+##
+## otherwise, if argv[0] has no slash in it, we can assume that it is on the
+## path.  Since PATH might include "." we also add `pwd` to the end of PATH.
+##
 
-       # Decode the host machine, then the target machine.
-       # For the host machine, we save the xm_file variable as host_xm_file;
-       # then we decode the target machine and forget everything else
-       # that came from the host machine.
-       for machine in $host $target; do
-
-               # Separate what the user gave into CPU/company and OS (if any).
-               basic_machine=`echo $machine | sed 's/-[^-]*$//'`
-               if [ $basic_machine != $machine ]
-               then os=`echo $machine | sed 's/[^-]*-/-/'`
-               else os=; fi
-
-               # Decode aliases for certain machine/company combinations.
-               case $basic_machine in
-                       iris | iris4d)
-                               basic_machine=mips/sgi
-                               ;;
-                       news | news800)
-                               basic_machine=m68k/sony
-                               ;;
-                       3b1 | 7300 | 7300/att | att-7300)
-                               basic_machine=m68k/att
-                               ;;
-                       delta | 3300 | motorola-3300 | motorola-delta \
-                             | 3300/motorola | delta/motorola)
-                               basic_machine=m68k/motorola
-                               ;;
-                       vax/dec)
-                               basic_machine=vax
-                               ;;
-                       balance)
-                               basic_machine=ns32k/sequent
-                               ;;
-                       symmetry)
-                               basic_machine=i386/sequent
-                               ;;
-                       sun2)
-                               basic_machine=m68000/sun
-                               ;;
-                       sun3)
-                               basic_machine=m68k/sun
-                               ;;
-                       sun4)
-                               basic_machine=sparc/sun
-                               ;;
-                       sun386 | sun386i)
-                               basic_machine=i386/sun
-                               ;;
-                       ps2)
-                               basic_machine=i386/ibm
-                               ;;
-                       next)
-                               basic_machine=m68k/next
-                               ;;
-                       hp9k3[2-9][0-9])
-                               basic_machine=m68k/hp
-                               ;;
-                       hp9k31[0-9] | hp9k2[0-9][0-9])
-                               basic_machine=m68000/hp
-                               ;;
-                       isi68)
-                               basic_machine=m68k/isi
-                               ;;
-                       apollo68)
-                               basic_machine=m68k/apollo
-                               ;;
-                       altos | altos3068)
-                               basic_machine=m68k/altos
-                               ;;
-                       miniframe)
-                               basic_machine=m68000/convergent
-                               ;;
-                       tower | tower-32)
-                               basic_machine=m68k/ncr
-                               ;;
-                       news-3600 | risc-news)
-                               basic_machine=mips/sony
-                               ;;
-                       decstation | decstation-3100 | pmax)
-                               basic_machine=mips/dec
-                               ;;
-                       gmicro)
-                               basic_machine=tron
-                               ;;
-                       convex-c1)
-                               basic_machine=c1/convex
-                               ;;
-                       convex-c2)
-                               basic_machine=c2/convex
-                               ;;
-               esac
+progname=$0
 
-               # Decode manufacturer-specific aliases for certain operating systems.
+case "${progname}" in
+/*) ;;
+*/*) ;;
+*)
+       PATH=$PATH:${PWD=`pwd`} ; export PATH
+       ;;
+esac
 
-               case $os in
-                       -newsos*)
-                               os=-bsd
-                               ;;
-                       -ultrix*)
-                               os=-bsd
-                               ;;
-                       -dynix*)
-                               os=-bsd
-                               ;;
-                       -ctix*)
-                               os=-sysv
-                               ;;
+for arg in $*;
+do
+       # handle things that might have args following as separate words
+       if [ -n "${next_prefix}" ] ; then prefix=${arg} ; prefixoption="-prefix=${prefix}" ; next_prefix=
+       elif [ -n "${next_exec_prefix}" ] ; then
+               exec_prefix=${arg}
+               exec_prefixoption="-exec_prefix=${exec_prefix}"
+               next_exec_prefix=
+       elif [ -n "${next_site}" ] ; then site=${arg} ; site_option=-site=${site} ; next_site=
+       # remove any possible trailing slash from srcdir.  See note below.
+       elif [ -n "${next_srcdir}" ] ; then srcdir=`echo ${arg} | sed -e 's:/$::'` ; next_srcdir=
+       elif [ -n "${next_program_prefix}" ] ; then
+               program_prefix=${arg}
+               program_prefixoption="-program_prefix=${program_prefix}"
+               next_program_prefix=
+       elif [ -n "${next_target}" ] ; then
+               next_target=
+               case "${target_alias}" in
+               "")
+                       target_alias="${arg}"
+                       ;;
+               *)
+                       echo '***' Can only configure for one target at a time.  1>&2
+                       fatal=yes
+                       ;;
                esac
+       elif [ -n "${next_tmpdir}" ] ; then
+               next_tmpdir=
+               tmpdiroption="--tmpdir=${arg}"
+               TMPDIR=${arg}
 
-               machine=$basic_machine$os
-
-               cpu_type=
-               xm_file=
-               tm_file=
-               make_var_file=
-
-               case $machine in
-               vax | vax-bsd*)                 # vaxen running BSD
-                       ;;
-               vax-vms | vms)                  # vaxen running VMS
-                       cpu_type=vax
-                       xm_file=xm-vms.h
-                       tm_file=tm-vms.h
-                       ;;
-               vax-sysv* | vaxv)               # vaxen running system V
-                       cpu_type=vax
-                       xm_file=xm-vaxv.h
-                       tm_file=tm-vaxv.h
-                       ;;
-               tahoe | tahoe-bsd*)             # tahoe running BSD
-                       ;;
-               tahoe/harris*)                  # Harris tahoe, using COFF.
-                       cpu_type=tahoe
-                       ;;
-               i386/sequent* | i386/sequent-bsd*)  # 80386 from Sequent
-                       cpu_type=i386
-                       xm_file=xm-i386.h
-                       tm_file=tm-seq386.h
-                       ;;
-               i386-mach | i386/*-mach)
-                       cpu_type=i386
-                       xm_file=xm-i386.h
-                       tm_file=tm-i386gas.h
-                       ;;
-               i386/sco | i386/sco-sysv* | i386/*-sco) # 80386 running SCO system
-                       cpu_type=i386
-                       xm_file=xm-i386v.h
-                       tm_file=tm-i386sco.h
-                       make_var_file=make-i386sco
-                       ;;
-               i386/isc | i386/isc-sysv* | i386/*-isc) # 80386 running ISC system
-                       cpu_type=i386
-                       xm_file=xm-i386v.h
-                       tm_file=tm-i386isc.h
-                       make_var_file=make-i386isc
-                       ;;
-               i386/ibm | i386-aix | i386/ibm-aix)     # IBM PS/2 running AIX
-                       cpu_type=i386
-                       tm_file=tm-i386v.h
-                       xm_file=xm-i386v.h
-                       make_var_file=make-i386v
-                       ;;
-               i386/sun*)
-                       cpu_type=i386
-                       xm_file=xm-sun386i.h
-                       tm_file=tm-sun386i.h
-                       ;;
-               i386-sysv4 | i386/*-sysv4 | i386v4)  # Intel 80386's running system V.4
-                       cpu_type=i386
-                       xm_file=xm-i386v.h
-                       make_var_file=make-i386v
-                       tm_file=tm-i386v4.h
-                       ;;
-               i386-sysv* | i386/*-sysv* | i386v)  # Intel 80386's running system V
-                       cpu_type=i386
-                       xm_file=xm-i386v.h
-                       make_var_file=make-i386v
-                       if [ x$gas = xyes ]
-                       then
-                               tm_file=tm-i386gas.h
-                       else
-                               tm_file=tm-i386v.h
-                       fi
-                       ;;
-               i860 | i860-sysv* | i860/*-sysv*)
-                       cpu_type=i860
-                       if [ x$gas = xyes ]
-                       then
-                               tm_file=tm-i860g.h
-                       else
-                               tm_file=tm-i860.h
-                       fi
-                       ;;
-               i860-bsd* | i860/*-bsd*)
-                       cpu_type=i860
-                       if [ x$gas = xyes ]
-                       then
-                               tm_file=tm-i860bsdg.h
-                       else
-                               tm_file=tm-i860bsd.h
-                       fi
-                       ;;
-               sparc | sparc/* | sparc-*os4 | sparc/*-*os4)
-                       cpu_type=sparc
-                       tm_file=tm-sparc.h
-                       ;;
-               sparc-*os3 | sparc/*-*os3)
-                       cpu_type=sparc
-                       tm_file=tm-sun4os3.h
-                       ;;
-               m68k/next)
-                       cpu_type=m68k
-                       tm_file=tm-next.h
-                       out_file=out-next.c
-                       xm_file=xm-next.h
-                       ;;
-               m68k/sun-*os3)
-                       cpu_type=m68k
-                       if [ x$nfp = xyes ]
-                       then
-                               tm_file=tm-sun3os3nf.h
-                       else
-                               tm_file=tm-sun3os3.h
-                       fi
-                       ;;
-               m68k/sun-mach)
-                       cpu_type=m68k
-                       tm_file=tm-sun3mach.h
-                       ;;
-               m68k/sun | m68k/sun-*os4)
-                       cpu_type=m68k
-                       if [ x$nfp = xyes ]
-                       then
-                               tm_file=tm-sun3nfp.h
-                       else
-                               tm_file=tm-sun3.h
-                       fi
-                       ;;
-               m68k/hp | m68k/hp-hpux*)        # HP 9000 series 300
-                       cpu_type=m68k
-                       xm_file=xm-hp9k320.h
-                       if [ x$gas = xyes ]
-                       then
-                               make_var_file=make-hp9k320g
-                               tm_file=tm-hp9k320g.h
-                       else
-                               make_var_file=make-hp9k320
-                               tm_file=tm-hp9k320.h
-                       fi
-                       ;;
-               m68k/hp-bsd*)                   # HP 9000/3xx running Berkeley Unix
-                       cpu_type=m68k
-                       tm_file=tm-hp9k3bsd.h
-                       ;;
-               m68k/isi | m68k/isi-bsd*)
-                       cpu_type=m68k
-                       if [ x$nfp = xyes ]
-                       then
-                               tm_file=tm-isi68-nfp.h
-                       else
-                               tm_file=tm-isi68.h
-                       fi
-                       ;;
-               m68k/sony | m68k/sony-bsd*)
-                       xm_file=xm-m68k.h
-                       cpu_type=m68k
-                       if [ x$gas = xyes ]
-                       then
-                               tm_file=tm-newsgas.h
-                       else
-                               tm_file=tm-news.h
-                       fi
-                       ;;
-               m68k/altos | m68k/altos-sysv*)             # Altos 3068
-                       cpu_type=m68k
-                       if [ x$gas = xyes ]
-                       then
-                               xm_file=xm-altos3068.h
-                               tm_file=tm-altos3068.h
-                       else
-                               echo "The Altos is supported only with the GNU assembler" 1>&2
-                               exit 1
-                       fi
-                       ;;
-               m68k/motorola | m68k/motorola-sysv*)
-                       cpu_type=m68k
-                       tm_file=tm-mot3300.h
-                       xm_file=xm-mot3300.h
-                       ;;
-               m68k/crds | m68k/crds-unos | m68k-unos | crds | unos)
-                       cpu_type=m68k
-                       xm_file=xm-crds.h
-                       make_var_file=make-crds
-                       tm_file=tm-crds.h
-                       ;;
-               m68k/apollo)
-                       cpu_type=m68k
-                       make_var_file=make-apollo68
-                       tm_file=tm-apollo68.h
-                       ;;
-               m68k/ncr | m68k/ncr-sysv*)      # NCR Tower 32 SVR3
-                       cpu_type=m68k
-                       tm_file=tm-tower-as.h
-                       xm_file=xm-tower.h
-                       ;;
-               m68000/sun | m68000/sun-*os3)
-                       cpu_type=m68k
-                       tm_file=tm-sun2.h
-                       ;;
-               m68000/sun-*os4)
-                       cpu_type=m68k
-                       tm_file=tm-sun2os4.h
+       else
+               case ${arg} in
+               -exec_prefix=* | --exec_prefix=* | --exec_prefi=* | --exec_pref=* | --exec_pre=* | --exec_pr=* | --exec_p=* | --exec_=* | --exec=* | --exe=* | --ex=* | --e=*)
+                       exec_prefix=`echo ${arg} | sed 's/^[-a-z_]*=//'`
+                       exec_prefixoption=${arg}
                        ;;
-               m68000/hp | m68000/hp-hpux*)    # HP 9000 series 300
-                       cpu_type=m68k
-                       xm_file=xm-hp9k310.h
-                       if [ x$gas = xyes ]
-                       then
-                               make_var_file=make-hp9k320g
-                               tm_file=tm-hp9k310g.h
-                       else
-                               make_var_file=make-hp9k320
-                               tm_file=tm-hp9k310.h
-                       fi
+               -exec_prefix | --exec_prefix | --exec_prefi | --exec_pref | --exec_pre | --exec_pr | --exec_p | --exec_ | --exec | --exe | --ex | --e)
+                       next_exec_prefix=yes
                        ;;
-               m68000/hp-bsd*)                 # HP 9000/200 running BSD
-                       cpu_type=m68k
-                       tm_file=tm-hp9k2bsd.h
-                       make_var_file=make-hp9k2bsd
+               -gas | --g*)
+                       gas=yes
                        ;;
-               m68000/att | m68000/att-sysv*)
-                       cpu_type=m68k
-                       xm_file=xm-3b1.h
-                       if [ x$gas = xyes ]
-                       then
-                               tm_file=tm-3b1g.h
-                       else
-                               tm_file=tm-3b1.h
-                       fi
-                       ;;
-               m68000/convergent | m68000/convergent-sysv*)
-                       cpu_type=m68k
-                       xm_file=xm-3b1.h
-                       tm_file=tm-ctix.h
+               -help | --he*)
+                       fatal=true
                        ;;
-               ns32k/sequent | ns32k/sequent-bsd*)
-                       cpu_type=ns32k
-                       tm_file=tm-sequent.h
+               -host=* | --host=* | --hos=* | --ho=*)
+                       case "${host_alias}" in
+                       "")
+                               host_alias="`echo ${arg} | sed 's/^[-a-z]*=//'`"
+                               ;;
+                       *)
+                               echo '***' Can only configure for one host at a time.  1>&2
+                               fatal=yes
+                               ;;
+                       esac
                        ;;
-               ns32k/encore | ns32k/encore-bsd* | encore | encore-bsd*)
-                       cpu_type=ns32k
-                       tm_file=tm-encore.h
+               -nfp | --nf*)
+                       floating_point=no
                        ;;
-               ns32k-genix* | ns32k/*-genix* | genix)
-                       cpu_type=ns32k
-                       xm_file=xm-genix.h
-                       make_var_file=make-genix
-                       tm_file=tm-genix.h
+               -norecursion | --no*)
+                       norecursion=true
                        ;;
-               merlin)
-                       cpu_type=ns32k
+               -prefix=* | --prefix=* | --prefi=* | --pref=* | --pre=*)
+                       prefix=`echo ${arg} | sed 's/^[-a-z]*=//'`
+                       prefixoption=${arg}
                        ;;
-               m88k/dg | m88k/dg-dgux* | m88k-dgux*)
-                       cpu_type=m88k
-                       xm_file=xm-m88kdgux.h
-                       make_var_file=make-m88kdgux
-                       tm_file=tm-m88kdgux.h
+               -prefix | --prefix | --prefi | --pref | --pre)
+                       next_prefix=yes
                        ;;
-               m88k-v88r32 | m88k/*-v88r32)
-                       cpu_type=m88k
-                       tm_file=tm-v88r32.h
-                       xm_file=xm-v88r32.h
+               -rm | --rm) removing=${arg} ;;
+               -program_prefix=* | --program_prefix=* | --program_prefi=* | --program_pref=* | --program_pre=* | --program_pr=* | --program_p=* | --program_=* | --program=* | --progra=* | --progr=* | --prog=* | --pro=*)
+                       program_prefix=`echo ${arg} | sed 's/^[-a-z]*=//'`
+                       program_prefixoption=${arg}
                        ;;
-               m88k-sysv* | m88k/*-sysv*)
-                       cpu_type=m88k
-                       tm_file=tm-m88ksvr4.h
-                       xm_file=xm-m88ksvr4.h
+               -program_prefix | --program_prefix | --program_prefi | --program_pref | --program_pre | --program_pr | --program_p | --program_ | --program | --progra | --progr | --prog | --pro)
+                       next_program_prefix=yes
                        ;;
-               alliant | alliant/alliant)      # Alliant FX/8
-                       cpu_type=alliant
-                       tm_file=tm-alliant.h
+               -site=* | --site=* | --sit=* | --si=*)
+                       site_option=${arg}
+                       site=`echo ${arg} | sed 's/^[-a-z]*=//'`
                        ;;
-               c1/convex)                      # Convex C1
-                       if [ -r /usr/include/stdlib.h ]
-                       then
-                               tm_file=tm-convex1.h
-                       else
-                               tm_file=tm-conv1os7.h
-                       fi
-                       cpu_type=convex
+               -site | --site | --sit)
+                       next_site=yes
                        ;;
-               c2/convex)                      # Convex C2
-                       if [ -r /usr/include/stdlib.h ]
-                       then
-                               tm_file=tm-convex2.h
-                       else
-                               tm_file=tm-conv2os7.h
-                       fi
-                       cpu_type=convex
+               # remove trailing slashes.  Otherwise, when the file name gets
+               # bolted into an object file as debug info, it has two slashes in
+               # it.  Ordinarily this is ok, but emacs takes double slash to
+               # mean "forget the first part".
+               -srcdir=* | --srcdir=* | --srcdi=* | --srcd=* | --src=* | --sr=*)
+                       srcdir=`echo ${arg} | sed 's/^[-a-z]*=//' | sed -e 's:/$::'`
                        ;;
-               mips/sgi | mips/sgi-sysv*)      # Mostly like a MIPS.
-                       cpu_type=mips
-                       tm_file=tm-iris.h
-                       xm_file=xm-iris.h
+               -srcdir | --srcdir | --srcdi | --srcd | --src | --sr)
+                       next_srcdir=yes
                        ;;
-               mips | mips/mips)               # Default MIPS environment.
+               -target=* | --target=* | --targe=* | --targ=* | --tar=* | --ta=*)
+                       case "${target_alias}" in
+                       "") target_alias="`echo ${arg} | sed 's/^[-a-z]*=//'`" ;;
+                       *)
+                               echo '***' Can only configure for one target at a time.  1>&2
+                               fatal=yes
+                               ;;
+                       esac
                        ;;
-               mips/dec | mips/dec-bsd*)       # Decstation.
-                       cpu_type=mips
-                       tm_file=tm-decstatn.h
+               -target | --target | --targe | --targ | --tar | --ta)
+                       next_target=yes
                        ;;
-               mips/sony | mips/sony-bsd*)     # Sony NEWS 3600 or risc/news.
-                       cpu_type=mips
-                       tm_file=tm-mips-news.h
+               -tmpdir=* | --tmpdir=* | --tmpdi=* | --tmpd=* | --tmp=* | --tm=*)
+                       tmpdiroption=${arg}
+                       TMPDIR=`echo ${arg} | sed 's/^[-a-z]*=//'`
                        ;;
-               mips/*-sysv* | mips-sysv*)      # SYSV variant of MIPS system.
-                       cpu_type=mips
-                       tm_file=tm-mips-sysv.h
+               -tmpdir | --tmpdir | --tmpdi | --tmpd | --tmp | --tm)
+                       next_tmpdir=yes
                        ;;
-               mips/*-bsd* | mips-bsd*)        # BSD 4.3 variant of MIPS system.
-                       cpu_type=mips
-                       tm_file=tm-mips-bsd.h
+               -v | -verbose | --v)
+                       redirect=
+                       verbose=-v
                        ;;
-               pyramid | pyramid/* | pyramid-*)
-                       cpu_type=pyr
-                       tm_file=tm-pyr.h
+               -version | -V | --version | --V)
+                       echo "This is Cygnus Configure version" `echo ${version} | sed 's/[ $:]//g'`
+                       exit 0
                        ;;
-               tron | tron/*)
-                       cpu_type=gmicro
-                       tm_file=tm_gmicro.h
+               -x | --x) ;;
+               -* | --*)
+                       (echo ;
+                       echo "Unrecognized option: \"${arg}\"". ;
+                       echo) 1>&2
+                       fatal=true
                        ;;
-               a29k-bsd* | a29k/*-bsd*)
-                       cpu_type=a29k
-                       tm_file=tm-a29kunix.h
+               *)
+                       case "${undefs}" in
+                       "")
+                               undefs="${arg}"
+                               ;;
+                       *)
+                               echo '***' Can only configure for one host and one target at a time.  1>&2
+                               fatal=yes
+                               ;;
+                       esac
                        ;;
-               i960)                           # Default i960 environment.
+               esac
+       fi
+done
+
+# process host and target
+case "${fatal}" in
+"")
+#      # Complain if an arg is missing
+#      if [ -z "${host_alias}" ] ; then
+#              (echo ;
+#              echo "configure: No HOST specified." ;
+#              echo) 1>&2
+#              fatal=true
+#      fi
+
+### This is a bit twisted.
+### * if all three are specified, this is an error.
+### * if we have neither hosts, nor unadorned args, this is an error.
+### * if no hosts are specified, then the unadorned args are hosts, but if
+### there were none, this is an error.
+### * if no targets are specified, then the unadorned args are targets, but if
+### there were no unadorned args, then the hosts are also targets.
+
+       if [ -n "${host_alias}" -a -n "${target_alias}" -a -n "${undefs}" ] ; then
+               echo '***' Can only configure for one host and one target at a time.  1>&2
+               fatal=yes
+       elif [ -z "${host_alias}" -a -z "${undefs}" ] ; then
+               echo '***' You must tell me for which host you want to configure.  1>&2
+               fatal=yes
+       else
+               case "${host_alias}" in
+               "") host_alias=${undefs} ;;
+               *) ;;
+               esac
+
+               case "${target_alias}" in
+               "")
+                       case "${undefs}" in
+                       "")     target_alias=${host_alias} ;;
+                       *)      target_alias=${undefs} ;;
+                       esac
                        ;;
-       #       370)
-       #               ;;
+               *) ;;
                esac
-               if [ x$pass1done = x ]
-               then
-                       if [ x$cpu_type = x ]; then cpu_type=$host; fi
-                       if [ x$xm_file = x ]; then host_xm_file=xm-$cpu_type.h
-                       else host_xm_file=$xm_file
-                       fi
-                       if [ x$make_var_file = x ]
-                       then make_var_file=make-$cpu_type; fi
-                       host_make_var_file=$make_var_file
-                       pass1done=yes
-               fi
-       done
+       fi
+       ;;
+*) ;;
+esac
+
+if [ -n "${fatal}" -o "${host_alias}" = "help" ] ; then
+       (echo "Usage: configure HOST" ;
+       echo ;
+       echo "Options: [defaults in brackets]" ;
+       echo " -exec_prefix=MYDIR       configure for installation of host dependent files into MYDIR. [\"/usr/local\"]" ;
+       echo " -gas                     configure the compilers for use with gas. [native as]" ;
+       echo " -help                    print this message. [normal config]" ;
+       echo " -lang=LANG               configure to build LANG. [gcc]" ;
+       echo " -nfp                     configure the compilers default to soft floating point. [hard float]" ;
+       echo " -norecursion             configure this directory only. [recurse]" ;
+       echo " -prefix=MYDIR            configure for installation of host dependent files into MYDIR. [\"/usr/local\"]" ;
+       echo " -program_prefix=FOO      install programs with FOO prepended to their names. [ \"\" ]" ;
+       echo " -site=SITE               configure with site specific makefile for SITE" ;
+       echo " -srcdir=DIR              find the sources in DIR. [\".\" or \"..\"]" ;
+       echo " -target=TARGET           configure for TARGET.  [TARGET = HOST]" ;
+       echo " -tmpdir=TMPDIR           create temporary files in TMPDIR.  [ TMPDIR = \"/tmp\" ]" ;
+       echo ;
+       echo "Where HOST and TARGET are something like \"vax\", \"sun3\", \"encore\", etc." ;
+       ) 1>&2
+
+       if [ -r config.status ] ; then
+               cat config.status
+       fi
 
-       # Default the machine-specific variables that were not explicitly set.
-       if [ x$cpu_type = x ]
-       then cpu_type=$target; fi
+       exit 1
+fi
 
-       if [ x$tm_file = x ]
-       then tm_file=tm-$target.h; fi
+configsub=`echo ${progname} | sed 's/configure$/config.sub/'`
+moveifchange=`echo ${progname} | sed 's/configure$/move-if-change/'`
 
-       md_file=${cpu_type}.md
+# this is a hack.  sun4 must always be a valid host alias or this will fail.
+if ${configsub} sun4 >/dev/null 2>&1 ; then
+       true
+else
+       echo '***' cannot find config.sub.  1>&2
+       exit 1
+fi
 
-       if [ x$out_file = x ]
-       then out_file=out-$cpu_type.c; fi
+touch config.junk
+if ${moveifchange} config.junk config.trash ; then
+       true
+else
+       echo '***' cannot find move-if-change.  1>&2
+       exit 1
 fi
+rm -f config.junk config.trash
 
-#### configure.in files go 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="gcc gas bfd binutils ld clib"
-srctrigger=gcc-new
-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 ${template}."
-               exit 1
+case "${srcdir}" in
+"")
+       if [ -r configure.in ] ; then
+               srcdir=.
+       else
+               if [ -r ${progname}.in ] ; then
+                       srcdir=`echo ${progname} | sed 's:/configure$::'`
+               else
+                       echo '***' "Can't find configure.in.  Try using -srcdir=some_dir"  1>&2
+                       exit 1
+               fi
        fi
+       ;;
+*) ;;
+esac
 
-       mv configure configure.old
-       echo "#!/bin/sh" > configure
-       echo "# Do not edit this file.  It is generated automatically from configure.in" >> configure
-       echo "# and a configure template." >> configure
-       echo "configdirs=" >> configure
-       echo >> configure
+### warn about some conflicting configurations.
 
-       if [ -r configure.in ]
-       then
-               sed -e "/^####/  r configure.in" $template >> configure
-       else
-               cat $template >> configure
+case "${srcdir}" in
+".") ;;
+*)
+       if [ -f ${srcdir}/config.status ] ; then
+               echo '***' Cannot configure here in \"${PWD=`pwd`}\" when \"${srcdir}\" is currently configured. 1>&2
+               exit 1
        fi
+esac
+
+# default exec_prefix
+case "${exec_prefix}" in
+"") exec_prefix="\$(prefix)" ;;
+*) ;;
+esac
+
+### break up ${srcdir}/configure.in.
+case "`grep '^# per\-host:' ${srcdir}/configure.in`" in
+"")
+       echo '***' ${srcdir}/configure.in has no "per-host:" line. 1>&2
+       exit 1
+       ;;
+*) ;;
+esac
+
+case "`grep '^# per\-target:' ${srcdir}/configure.in`" in
+"")
+       echo '***' ${srcdir}/configure.in has no "per-target:" line. 1>&2
+       exit 1
+       ;;
+*) ;;
+esac
+
+case "${TMPDIR}" in
+"") TMPDIR=/tmp ; export TMPDIR ;;
+*) ;;
+esac
+
+# keep this filename short for &%*%$*# 14 char file names
+tmpfile=${TMPDIR}/cONf$$
+trap "rm -f ${tmpfile}.com ${tmpfile}.tgt ${tmpfile}.hst ${tmpfile}.pos" 0
+
+# split ${srcdir}/configure.in into common, per-host, per-target,
+# and post-target parts.  Post-target is optional.
+sed -e '/^# per\-host:/,$d' ${srcdir}/configure.in > ${tmpfile}.com
+sed -e '1,/^# per\-host:/d' -e '/^# per\-target:/,$d' ${srcdir}/configure.in > ${tmpfile}.hst
+if grep '^# post-target:' ${srcdir}/configure.in >/dev/null ; then
+  sed -e '1,/^# per\-target:/d' -e '/^# post\-target:/,$d' ${srcdir}/configure.in > ${tmpfile}.tgt
+  sed -e '1,/^# post\-target:/d' ${srcdir}/configure.in > ${tmpfile}.pos
+else
+  sed -e '1,/^# per\-target:/d' ${srcdir}/configure.in > ${tmpfile}.tgt
+  echo >${tmpfile}.pos
+fi
 
-       chmod a+x configure
-       rm configure.old
-#      echo Rebuilt configure in `pwd` from ${template}.
-       echo Rebuilt configure in `pwd`
-
-       if [ x$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
-
-                       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
+### do common part of configure.in
+
+. ${tmpfile}.com
+
+# some sanity checks on configure.in
+case "${srctrigger}" in
+"")
+       echo '***' srctrigger not set in ${PWD=`pwd`}/configure.in.  1>&2
+       exit 1
+       ;;
+*) ;;
+esac
+
+result=`${configsub} ${host_alias}`
+host_cpu=`echo $result | sed 's/^\(.*\)-\(.*\)-\(.*\)$/\1/'`
+host_vendor=`echo $result | sed 's/^\(.*\)-\(.*\)-\(.*\)$/\2/'`
+host_os=`echo $result | sed 's/^\(.*\)-\(.*\)-\(.*\)$/\3/'`
+host=${host_cpu}-${host_vendor}-${host_os}
+
+. ${tmpfile}.hst
+
+result=`${configsub} ${target_alias}`
+target_cpu=`echo $result | sed 's/^\(.*\)-\(.*\)-\(.*\)$/\1/'`
+target_vendor=`echo $result | sed 's/^\(.*\)-\(.*\)-\(.*\)$/\2/'`
+target_os=`echo $result | sed 's/^\(.*\)-\(.*\)-\(.*\)$/\3/'`
+target=${target_cpu}-${target_vendor}-${target_os}
+
+. ${tmpfile}.tgt
+
+# Find the source files, if location was not specified.
+case "${srcdir}" in
+"")
+       srcdirdefaulted=1
+       srcdir=.
+       if [ ! -r ${srctrigger} ] ; then
+               srcdir=..
        fi
+       ;;
+*) ;;
+esac
+
+if [ ! -r ${srcdir}/${srctrigger} ] ; then
+       case "${srcdirdefaulted}" in
+       "") echo '***' "${progname}: Can't find ${srcname} sources in ${PWD=`pwd`}/${srcdir}" 1>&2 ;;
+       *)  echo '***' "${progname}: Can't find ${srcname} sources in ${PWD=`pwd`}/. or ${PWD=`pwd`}/.." 1>&2 ;;
+       esac
 
-       exit 0
+       echo '***' \(At least ${srctrigger} is missing.\) 1>&2
+       exit 1
 fi
 
-# Temporarily, we support only direct subdir builds.
-hostsubdir=Host-$host
-targetsubdir=Target-$target
+for subdir in . ${subdirs} ; do
 
-if [ -n "$removing" ]
-then
-       rm -rf $hostsubdir/$targetsubdir
+    # ${subdir} is relative path from . to the directory we're currently
+    # configuring.
+    # ${invsubdir} is inverse of ${subdir), *with* trailing /, if needed.
+    invsubdir=`echo ${subdir}/ | sed -e 's|\./||g' -e 's|[^/]*/|../|g'`
 
-       if [ -z "`(ls $hostsubdir) 2>&1 | grep Target-`" ]
-       then
-               rm -rf $hostsubdir
-       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 [ x$srcdirdefaulted = x ]
-       #       then
-       #         echo "$progname: Can't find ${srcname} sources in \`${srcdir}'." 1>&2
-       #       else
-       #         echo "$progname: Can't find ${srcname} sources in \`.' or \`..'." 1>&2
-       #       fi
-       #       exit 1
-       #fi
+    ### figure out what to do with srcdir
+    case "${srcdir}" in
+       ".")  # no -srcdir option.  We're building in place.
+               makesrcdir=. ;;
+       /*) # absolute path
+               makesrcdir=`echo ${srcdir}/${subdir} | sed -e 's|/\.$||'`
+               ;;
+       *) # otherwise relative
+               case "${subdir}" in
+               .) makesrcdir=${srcdir} ;;
+               *) makesrcdir=`echo ${subdir} | sed -e 's:[^./][^./]*:..:g'`/${srcdir}/${subdir} ;;
+               esac
+               ;;
+    esac
 
+    if [ "${subdir}/" != "./" ] ; then
+       Makefile=${subdir}/Makefile
+    fi
 
+    if [ ! -d ${subdir} ] ; then
+       mkdir ${subdir}
+    fi
 
+    case "${removing}" in
+    "")
+       case "${subdir}" in
+       .) ;;
+       *) eval echo Building in ${subdir} ${redirect} ;;
+       esac
+
+       # FIXME Should this be done recursively ??? (Useful for e.g. gdbtest)
        # Set up the list of links to be made.
-       # $links is the list of link names, and $files is the list of names to link to.
+       # ${links} is the list of link names, and ${files} is the list of names to link to.
 
        # Make the links.
-       while [ -n "$files" ]
-       do
+       configlinks="${links}"
+       if [ -r ${subdir}/config.status ] ; then
+               mv -f ${subdir}/config.status ${subdir}/config.back
+       fi
+       while [ -n "${files}" ] ; do
                # set file to car of files, files to cdr of files
-               set $files; file=$1; shift; files=$*
-               set $links; link=$1; shift; links=$*
+               set ${files}; file=$1; shift; files=$*
+               set ${links}; link=$1; shift; links=$*
 
-               if [ ! -r ${srcdir}/config/$file ]
-               then
-                       echo "$progname: cannot create a link \`$link'," 1>&2
-                       echo "since the file \`config/$file' does not exist." 1>&2
+               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
+               ${remove} -f ${link}
                # Make a symlink if possible, otherwise try a hard link
-               $symbolic_link ${srcdir}/config/$file $link 2>/dev/null || $hard_link ${srcdir}/config/$file $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}/config/$file'." 1>&2
+               if [ ! -r ${link} ] ; then
+                       echo '***' "${progname}: unable to link \"${link}\" to \"${srcdir}/${file}\"." 1>&2
                        exit 1
                fi
-               echo "Linked \`$link' to \`${srcdir}/config/$file'."
+
+               echo "Linked \"${link}\" to \"${srcdir}/${file}\"."
        done
 
+       # Create a .gdbinit file which runs the one in srcdir
+       # and tells GDB to look there for source files.
+
+       if [ -r ${srcdir}/${subdir}/.gdbinit ] ; then
+               case ${srcdir} in
+               .) ;;
+               *) cat > ${subdir}/.gdbinit <<EOF
+# ${NO_EDIT}
+dir .
+dir ${makesrcdir}
+source ${makesrcdir}/.gdbinit
+EOF
+                       ;;
+               esac
+       fi
+
        # Install a makefile, and make it set VPATH
        # if necessary so that the sources are found.
        # Also change its value of srcdir.
-       # Also create a .gdbinit file which runs the one in srcdir
-       # and tells GDB to look there for source files.
-       case $srcdir in
-       .)
-               ;;
+       # NOTE: Makefile generation constitutes the majority of the time in configure.  Hence, this section has
+       # been somewhat optimized and is perhaps a bit twisty.
+
+       # code is order so as to try to sed the smallest input files we know.
+
+       # the three makefile fragments MUST end up in the resulting Makefile in this order: target, host, and site.
+       # so do these separately because I don't trust the order of sed -e expressions.
+
+       # Conditionalize for this site from "Makefile.in" (or whatever it's called) into Makefile.tem
+       rm -f Makefile.tem
+       case "${site}" in
+       "") cp ${srcdir}/${subdir}/${Makefile_in} ${subdir}/Makefile.tem ;;
        *)
-               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 ${srcdir}/.gdbinit" >> .gdbinit
+               site_makefile_frag=${srcdir}/config/ms-${site}
+
+               if [ -f ${site_makefile_frag} ] ; then
+                       sed -e "/^####/  r ${site_makefile_frag}" ${srcdir}/${subdir}/${Makefile_in} \
+                               > ${subdir}/Makefile.tem
+               else
+                       cp ${srcdir}/${subdir}/${Makefile_in} ${subdir}/Makefile.tem
+                       site_makefile_frag=
+               fi
                ;;
        esac
+       # working copy now in ${subdir}/Makefile.tem
 
-       host_var_file=hmake-${host}
-       target_var_file=tmake-${target}
+       # Conditionalize the makefile for this host.
+       rm -f ${Makefile}
+       case "${host_makefile_frag}" in
+       "") mv ${subdir}/Makefile.tem ${Makefile} ;;
+       *)
+               if [ ! -f ${host_makefile_frag} ] ; then
+                       host_makefile_frag=${srcdir}/${host_makefile_frag}
+               fi
+               if [ -f ${host_makefile_frag} ] ; then
+                       sed -e "/^####/  r ${host_makefile_frag}" ${subdir}/Makefile.tem > ${Makefile}
+               else
+                       echo '***' Expected host makefile fragment \"${host_makefile_frag}\" 1>&2
+                       echo '***' is missing in ${PWD=`pwd`}. 1>&2
+                       mv ${subdir}/Makefile.tem ${Makefile}
+               fi
+       esac
+       # working copy now in ${Makefile}
 
-       # Conditionalize the makefile for this 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
+       # Conditionalize the makefile for this target.
+       rm -f Makefile.tem
+       case "${target_makefile_frag}" in
+       "") mv ${Makefile} ${subdir}/Makefile.tem ;;
+       *)
+               if [ ! -f ${target_makefile_frag} ] ; then
+                       target_makefile_frag=${srcdir}/${target_makefile_frag}
+               fi
+               if [ -f ${target_makefile_frag} ] ; then
+                       sed -e "/^####/  r ${target_makefile_frag}" ${Makefile} > ${subdir}/Makefile.tem
+               else
+                       mv ${Makefile} ${subdir}/Makefile.tem
+                       target_makefile_frag=
+               fi
+               ;;
+       esac
+       # real copy now in ${subdir}/Makefile.tem
+
+       # prepend warning about editting, and a bunch of variables.
+       rm -f ${Makefile}
+       cat > ${Makefile} <<EOF
+# ${NO_EDIT}
+VPATH = ${makesrcdir}
+links = ${configlinks}
+host_alias = ${host_alias}
+host_cpu = ${host_cpu}
+host_vendor = ${host_vendor}
+host_os = ${host_os}
+target_alias = ${target_alias}
+target_cpu = ${target_cpu}
+target_vendor = ${target_vendor}
+target_os = ${target_os}
+EOF
+       case "${target_makefile_frag}" in
+       "") ;;
+       /*)
+  echo target_makefile_frag = ${target_makefile_frag} >>${Makefile} ;;
+       *)
+  echo target_makefile_frag = ${invsubdir}${target_makefile_frag} >>${Makefile} ;;
+       esac
 
-       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
+       case "${host_makefile_frag}" in
+       "") ;;
+       /*)
+  echo host_makefile_frag = ${host_makefile_frag} >>${Makefile} ;;
+       *)
+  echo host_makefile_frag = ${invsubdir}${host_makefile_frag} >>${Makefile} ;;
+       esac
 
-       # Remove all formfeeds, since some Makes get confused by them.
-       sed "s/\f//" Makefile.tem >> Makefile.tem1
-       mv Makefile.tem1 Makefile.tem
+       if [ "${site_makefile_frag}" != "" ] ; then
+           echo site_makefile_frag = ${invsubdir}${site_makefile_frag} >>${Makefile}
+       fi 
 
-       # reset SUBDIRS
-       sed "s:^SUBDIRS =.*$:SUBDIRS = ${configdirs}:" Makefile.tem > Makefile.tem1
-       mv Makefile.tem1 Makefile.tem
+       # fixme: this shouldn't be in configure.
+       # Define macro CROSS_COMPILE in compilation if this is a cross-compiler.
+       case "${host_alias}" in
+       "${target_alias}")
+               tooldir='$(libdir)'
+               echo "ALL=all.internal" >> ${Makefile}
+               ;;
+       *)
+               echo "CROSS=-DCROSS_COMPILE" >> ${Makefile}
+               echo "ALL=all.cross" >> ${Makefile}
+               case "${program_prefix}" in
+               "")     program_prefix=${target_alias}- ;;
+               *)      ;;
+               esac
 
-       # reset NONSUBDIRS
-       sed "s:^NONSUBDIRS =.*$:NONSUBDIRS = ${noconfigdirs}:" Makefile.tem > Makefile.tem1
-       mv Makefile.tem1 Makefile.tem
+               tooldir="\$(libdir)/${target_alias}"
+               ;;
+       esac
 
-       # Delete the intermediate files
-       if [ x$srcdir != x. ] ; then rm Makefile.in ; fi
+       # reset prefix, exec_prefix, srcdir, SUBDIRS, NONSUBDIRS,
+       # remove any form feeds.
+       if [ -z "${subdirs}" ]; then
+           sed -e "s:^SUBDIRS[         ]*=.*$:SUBDIRS = ${configdirs}:" \
+               -e "s:^NONSUBDIRS[      ]*=.*$:NONSUBDIRS = ${noconfigdirs}:" \
+               ${subdir}/Makefile.tem > ${subdir}/Makefile.tem2
+           mv ${subdir}/Makefile.tem2 ${subdir}/Makefile.tem
+       fi
+       sed -e "s:^prefix[      ]*=.*$:prefix = ${prefix}:" \
+               -e "s:^exec_prefix[     ]*=.*$:exec_prefix = ${exec_prefix}:" \
+               -e "s:^srcdir[  ]*=.*$:srcdir = ${makesrcdir}:" \
+               -e "s/\f//" \
+               -e "s:^program_prefix[  ]*=.*$:program_prefix = ${program_prefix}:" \
+               -e "s:^tooldir[         ]*=.*$:tooldir = ${tooldir}:" \
+               ${subdir}/Makefile.tem >> ${Makefile}
+       # final copy now in ${Makefile}
+
+       rm -f ${subdir}/Makefile.tem
+
+       case "${host_makefile_frag}" in
+       "") using= ;;
+       *) using="and \"${host_makefile_frag}\"" ;;
+       esac
 
-       rm -f Makefile
+       case "${target_makefile_frag}" in
+       "") ;;
+       *) using="${using} and \"${target_makefile_frag}\"" ;;
+       esac
 
-       # 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
+       case "${site_makefile_frag}" in
+       "") ;;
+       *) using="${using} and \"${site_makefile_frag}\"" ;;
+       esac
 
-       # set target and host
-       echo "host = $host" >> Makefile
-       echo "target = $target" >> Makefile
+       newusing=`echo "${using}" | sed 's/and/using/'`
+       using=${newusing}
+       echo "Created \"${Makefile}\" in" ${PWD=`pwd`} ${using}
 
-       cat Makefile.tem >> Makefile
-       rm Makefile.tem
+       . ${tmpfile}.pos
 
-       using=
-       if [ -f ${srcdir}/config/${host_var_file} ]
-       then
-               using=" using \"${host_var_file}\""
-       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.
 
-       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
+       case "${norecursion}" in
+       "") arguments="${arguments} -norecursion" ;;
+       *) ;;
+       esac
+
+       if [ ${subdir} = . ] ; then
+           echo "#!/bin/sh
+# ${NO_EDIT}
+# This directory was configured as follows:
+${progname}" ${arguments}  "
+# ${using}" > ${subdir}/config.new
        else
-               andusing=${using}
+           echo "#!/bin/sh
+# ${NO_EDIT}
+# This directory was configured as follows:
+cd ${invsubdir}
+${progname}" ${arguments}  "
+# ${using}" > ${subdir}/config.new
+       fi
+       chmod a+x ${subdir}/config.new
+       if [ -r ${subdir}/config.back ] ; then
+               mv -f ${subdir}/config.back ${subdir}/config.status
        fi
+       ${moveifchange} ${subdir}/config.new ${subdir}/config.status
+       ;;
 
-       echo "Created \"Makefile\""${andusing}.
+    *) rm -f ${Makefile} ${subdir}/config.status ${links} ;;
+    esac
+done
 
-       if [ x$host = x$target ]
-       then
-               echo "Links are now set up for use with a $target." \
-                       | tee ${srcdir}/config.status
-       else
-               echo "Links are now set up for host $host and target $target." \
-                       | tee ${srcdir}/config.status
-       fi
+# If there are subdirectories, then recur. 
+if [ -z "${norecursion}" -a -n "${configdirs}" ] ; then 
+       for configdir in ${configdirs} ; do
+               eval echo Configuring ${configdir}... ${redirect}
+
+               if [ -d ${srcdir}/${configdir} ] ; then
+                       case "${srcdir}" in
+                       ".") ;;
+                       *)
+                               if [ ! -d ./${configdir} ] ; then
+                                       mkdir ./${configdir}
+                               fi
+                               ;;
+                       esac
 
-       cd ${srcdir}
-fi
+                       POPDIR=${PWD=`pwd`}
+                       cd ${configdir} 
 
-# If there are subdirectories, then recurse. 
+### figure out what to do with srcdir
+                       case "${srcdir}" in
+                       ".") newsrcdir=${srcdir} ;; # no -srcdir option.  We're building in place.
+                       /*) # absolute path
+                               newsrcdir=${srcdir}/${configdir}
+                               srcdiroption="-srcdir=${newsrcdir}"
+                               ;;
+                       *) # otherwise relative
+                               newsrcdir=../${srcdir}/${configdir}
+                               srcdiroption="-srcdir=${newsrcdir}"
+                               ;;
+                       esac
 
-if [ x$norecurse != x ] ; then exit 0 ; fi
+### check for guested configure, otherwise fix possibly relative progname
+                       if [ -f ${newsrcdir}/configure ] ; then
+                               recprog=${newsrcdir}/configure
+                       else
+                               case "${progname}" in
+                               /*)     recprog=${progname} ;;
+                               *)      recprog=../${progname} ;;
+                               esac
+                       fi
 
-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
+### The recursion line is here.
+                       if eval ${recprog} ${verbose} ${host_alias} -target=${target_alias} \
+                               ${prefixoption} ${tmpdiroption} ${exec_prefixoption} \
+                               ${srcdiroption} ${program_prefixoption} ${site_option} ${removing} ${redirect} ; then
+                               true
+                       else
+                               exit 1
+                       fi
 
-       echo Configuring ${configdir}...
-       (cd ${configdir} ;
-               configure +host=${host} ${target} ${removing}) \
-               | sed 's/^/     /'
-done
+                       cd ${POPDIR}
+               else
+                       eval echo Warning: source directory \"${srcdir}/${configdir}\" is missing. ${redirect}
+               fi
+       done
+fi
 
 exit 0
+
+#
+# Local Variables:
+# fill-column: 131
+# End:
+#
+
+# end of configure