bcdbe02f82
relative to srcdir. I think it now does. configure has been corrected. configure.texi has been clarified.
722 lines
19 KiB
Bash
Executable file
722 lines
19 KiB
Bash
Executable file
#!/bin/sh
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# Configuration script
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# Copyright (C) 1988, 1990, 1991, 1992 Free Software Foundation, Inc.
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#This file is part of GNU.
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
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# Please email any bugs, comments, and/or additions to this file to:
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# configure@cygnus.com
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#
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# Shell script to create proper links to machine-dependent files in
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# preparation for compilation.
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#
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# If configure succeeds, it leaves its status in config.status.
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# If configure fails after disturbing the status quo,
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# config.status is removed.
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#
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# NOTE: This script contains support for a Cygnus experimental feature, called
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# +subdirs, which is currently, tentatively, de-supported.
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export PATH || (echo "OOPS, this isn't sh. Desperation time. I will feed myself to sh."; sh $0 $argv; kill $$)
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remove=rm
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hard_link=ln
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symbolic_link='ln -s'
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#for Test
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#remove="echo rm"
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#hard_link="echo ln"
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#symbolic_link="echo ln -s"
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# clear some things potentially inherited from environment.
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Makefile=Makefile
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Makefile_in=Makefile.in
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arguments=$*
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commontargets=
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configdirs=
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datadir=
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datadiroption=
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defaulttargets=
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fatal=
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floating_point=default
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gas=default
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host_makefile_frag=
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hosts=
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next_host=
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next_prefix=
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next_site=
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next_srcdir=
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next_target=
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next_tmpdir=
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norecursion=
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prefix=/usr/local
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progname=
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recurring=
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removing=
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site_makefile_frag=
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srcdir=
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srctrigger=
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target=
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target_makefile_frag=
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targets=
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undefinedargs=
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verbose=
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version="$Revision$"
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x11=default
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NO_EDIT="This file was generated automatically by configure. Do not edit."
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## this is a little touchy and won't always work, but...
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##
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## if the argv[0] starts with a slash then it is an absolute name that can be
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## used as is.
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##
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## otherwise, if argv[0] has no slash in it, we can assume that it is on the
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## path. Since PATH might include "." we also add `pwd` to the end of PATH.
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##
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## otherwise we prepend `pwd` to $0 and hope that will give us an absolute
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## path.
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##
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PWD=`pwd`
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if echo $0 | grep '^/' > /dev/null ; then
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progname=$0
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elif echo $0 | grep '/' > /dev/null ; then
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progname=${PWD}/$0
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else
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progname=$0
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PATH=$PATH:${PWD} ; export PATH
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fi
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for arg in $*;
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do
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# handle things that might have args following as separate words
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if [ -n "${next_prefix}" ] ; then prefix=${arg} ; prefixoption="-prefix=${prefix}" ; next_prefix=
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elif [ -n "${next_datadir}" ] ; then datadir=${arg} ; datadiroption="-datadir=${datadir}" ; next_datadir=
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elif [ -n "${next_site}" ] ; then site=${arg} ; next_site=
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elif [ -n "${next_srcdir}" ] ; then srcdir=${arg} ; next_srcdir=
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elif [ -n "${next_target}" ] ; then
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next_target=
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case "${targets}" in
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"")
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newtargets="${targets} ${arg}"
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targets="${newtargets}"
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;;
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*)
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echo '***' Can only configure for one target at a time.
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fatal=yes
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;;
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esac
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elif [ -n "${next_tmpdir}" ] ; then
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next_tmpdir=
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tmpdiroption="--tmpdir=${arg}"
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TMPDIR=${arg}
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else
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case ${arg} in
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-datadir=* | --datadir=* | --datadi=* | --datad=* | --data=* | --dat=* | --da=* | --d=*)
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datadir=`echo ${arg} | sed 's/^[-a-z]*=//'`
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datadiroption=${arg}
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;;
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-datadir | --datadir | --datadi | --datad | --data | --dat | --da | --d)
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next_datadir=yes
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;;
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-gas | --g*)
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gas=yes
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;;
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-help | --he*)
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fatal=true
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;;
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-host=* | --host=* | --hos=* | --ho=*)
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case "${hosts}" in
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"")
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newhosts="${hosts} `echo ${arg} | sed 's/^[-a-z]*=//'`"
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hosts="${newhosts}"
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;;
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*)
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echo '***' Can only configure for one host at a time.
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fatal=yes
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;;
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esac
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;;
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-nfp | --nf*)
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floating_point=no
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;;
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-norecursion | --no*)
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norecursion=true
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;;
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-prefix=* | --prefix=* | --prefi=* | --pref=* | --pre=* | --pr=* | --p=*)
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prefix=`echo ${arg} | sed 's/^[-a-z]*=//'`
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prefixoption=${arg}
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;;
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-prefix | --prefix | --prefi | --pref | --pre | --pr | --p)
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next_prefix=yes
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;;
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-recurring | --recurring | --recurrin | --recurri | --recurr | --recur | --recu | --rec | --re)
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recurring=true
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arguments=`echo ${arguments} | sed "s:${arg}::"`
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;;
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-rm | --rm)
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removing=${arg}
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;;
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-site=* | --site=* | --sit=* | --si=*)
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site=`echo ${arg} | sed 's/^[-a-z]*=//'`
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;;
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-site | --site | --sit | --si)
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next_site=yes
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;;
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-srcdir=* | --srcdir=* | --srcdi=* | --srcd=* | --src=* | --sr=*)
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srcdir=`echo ${arg} | sed 's/^[-a-z]*=//'`
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;;
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-srcdir | --srcdir | --srcdi | --srcd | --src | --sr)
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next_srcdir=yes
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;;
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-target=* | --target=* | --targe=* | --targ=* | --tar=* | --ta=*)
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case "${targets}" in
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"")
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newtargets="${targets} `echo ${arg} | sed 's/^[-a-z]*=//'`"
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targets="${newtargets}"
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;;
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*)
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echo '***' Can only configure for one target at a time.
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fatal=yes
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;;
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esac
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;;
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-target | --target | --targe | --targ | --tar | --ta)
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next_target=yes
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;;
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-tmpdir=* | --tmpdir=* | --tmpdi=* | --tmpd=* | --tmp=* | --tm=*)
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tmpdiroption=${arg}
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TMPDIR=`echo ${arg} | sed 's/^[-a-z]*=//'`
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;;
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-tmpdir | --tmpdir | --tmpdi | --tmpd | --tmp | --tm)
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next_tmpdir=yes
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;;
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-v | -verbose | --v)
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verbose=${arg}
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;;
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-version | -V | --version | --V)
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echo "This is Cygnus Configure version" `echo ${version} | sed 's/[ $:]//g'`
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exit 0
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;;
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-x | --x) ;;
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-* | --*)
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(echo ;
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echo "Unrecognized option: \"${arg}\"". ;
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echo) 1>&2
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fatal=true
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;;
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*)
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case "${undefs}" in
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"")
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newundefs="${undefs} ${arg}"
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undefs=${newundefs}
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;;
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*)
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echo '***' Can only configure for one host and one target at a time.
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fatal=yes
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;;
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esac
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;;
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esac
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fi
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done
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# process host and target
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case "${fatal}" in
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"")
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# # Complain if an arg is missing
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# if [ -z "${hosts}" ] ; then
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# (echo ;
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# echo "configure: No HOST specified." ;
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# echo) 1>&2
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# fatal=true
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# fi
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### This is a bit twisted.
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### * if all three are specified, this is an error.
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### * if we have neither hosts, nor unadorned args, this is an error.
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### * if no hosts are specified, then the unadorned args are hosts, but if
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### there were none, this is an error.
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### * if no targets are specified, then the unadorned args are targets, but if
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### there were no unadorned args, then the hosts are also targets.
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if [ -n "${hosts}" -a -n "${targets}" -a -n "${undefs}" ] ; then
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echo '***' Can only configure for one host and one target at a time.
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fatal=yes
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elif [ -z "${hosts}" -a -z "${undefs}" ] ; then
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echo '***' You must tell me for which host you want to configure.
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fatal=yes
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else
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case "${hosts}" in
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"") hosts=${undefs} ;;
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*) ;;
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esac
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case "${targets}" in
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"")
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case "${undefs}" in
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"") targets=${hosts} ;;
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*) targets=${undefs} ;;
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esac
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;;
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*) ;;
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esac
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fi
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;;
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*) ;;
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esac
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if [ -n "${fatal}" -o "${hosts}" = "help" ] ; then
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(echo "Usage: configure HOST" ;
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echo ;
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echo "Options: [defaults in brackets]" ;
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echo " -datadir=MYDIR configure for installation of host dependent files into MYDIR. [\"/usr/local\"]" ;
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echo " -gas configure the compilers for use with gas. [native as]" ;
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echo " -help print this message. [normal config]" ;
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echo " -lang=LANG configure to build LANG. [gcc]" ;
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echo " -nfp configure the compilers default to soft floating point. [hard float]" ;
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echo " -norecursion configure this directory only. [recurse]" ;
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echo " -prefix=MYDIR configure for installation of host dependent files into MYDIR. [\"/usr/local\"]" ;
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echo " -rm remove this configuration. [build a configuration]" ;
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echo " -site configure with site specific makefile" ;
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echo " -srcdir=DIR find the sources in DIR. [\".\" or \"..\"]" ;
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echo " -target=TARGET configure for TARGET. [TARGET = HOST]" ;
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echo " -tmpdir=TMPDIR create temporary files in TMPDIR. [ TMPDIR = \"/tmp\" ]" ;
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echo ;
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echo "Where HOST and TARGET are something like \"vax\", \"sun3\", \"encore\", etc." ;
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) 1>&2
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if [ -r config.status ] ; then
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cat config.status
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fi
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exit 1
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fi
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configsub=`echo ${progname} | sed 's/configure$/config.sub/'`
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if ${configsub} `echo ${hosts} | sed -e 's/ .*//'` >/dev/null 2>&1 ; then
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true
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else
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echo '***' cannot find config.sub.
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exit 1
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fi
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case "${srcdir}" in
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"")
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if [ -r configure.in ] ; then
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srcdir=.
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else
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echo '***' "Can't find configure.in. Try using -srcdir=some_dir"
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exit 1
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fi
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;;
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*) ;;
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esac
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# default datadir
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case "${datadir}" in
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"") datadir="$(prefix)/lib" ;;
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*) ;;
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esac
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### break up ${srcdir}/configure.in.
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case "`grep '^# per\-host:' ${srcdir}/configure.in`" in
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"")
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echo '***' ${srcdir}/configure.in has no "per-host:" line. 1>&2
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exit 1
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;;
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*) ;;
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esac
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case "`grep '^# per\-target:' ${srcdir}/configure.in`" in
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"")
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echo '***' ${srcdir}/configure.in has no "per-target:" line. 1>&2
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exit 1
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;;
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*) ;;
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esac
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case "${TMPDIR}" in
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"") TMPDIR=/tmp ; export TMPDIR ;;
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*) ;;
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esac
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# keep this filename short for &%*%$*# 14 char file names
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tmpfile=${TMPDIR}/cONf$$
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trap "rm -f ${tmpfile}.com ${tmpfile}.tgt ${tmpfile}.hst ${tmpfile}.pos" 0
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# split ${srcdir}/configure.in into common, per-host, per-target,
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# and post-target parts. Post-target is optional.
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sed -e '/^# per\-host:/,$d' ${srcdir}/configure.in > ${tmpfile}.com
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sed -e '1,/^# per\-host:/d' -e '/^# per\-target:/,$d' ${srcdir}/configure.in > ${tmpfile}.hst
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if grep '^# post-target:' ${srcdir}/configure.in >/dev/null ; then
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sed -e '1,/^# per\-target:/d' -e '/^# post\-target:/,$d' ${srcdir}/configure.in > ${tmpfile}.tgt
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sed -e '1,/^# post\-target:/d' ${srcdir}/configure.in > ${tmpfile}.pos
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else
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sed -e '1,/^# per\-target:/d' ${srcdir}/configure.in > ${tmpfile}.tgt
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echo >${tmpfile}.pos
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fi
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### do common part of configure.in
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. ${tmpfile}.com
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# some sanity checks on configure.in
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case "${srctrigger}" in
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"")
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echo '***' srctrigger not set in ${PWD}/configure.in.
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exit 1
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;;
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*) ;;
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esac
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for host in ${hosts} ; do
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# Default other arg
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if [ -z "${targets}" -o -n "${defaulttargets}" ] ; then
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targets=${host}
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defaulttargets=true
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fi
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host_alias=${host}
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result=`${configsub} ${host}`
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host_cpu=`echo $result | sed 's/^\(.*\)-\(.*\)-\(.*\)$/\1/'`
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host_vendor=`echo $result | sed 's/^\(.*\)-\(.*\)-\(.*\)$/\2/'`
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host_os=`echo $result | sed 's/^\(.*\)-\(.*\)-\(.*\)$/\3/'`
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host=${host_cpu}-${host_vendor}-${host_os}
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. ${tmpfile}.hst
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for target in ${targets} ; do
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target_alias=${target}
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result=`${configsub} ${target}`
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target_cpu=`echo $result | sed 's/^\(.*\)-\(.*\)-\(.*\)$/\1/'`
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target_vendor=`echo $result | sed 's/^\(.*\)-\(.*\)-\(.*\)$/\2/'`
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target_os=`echo $result | sed 's/^\(.*\)-\(.*\)-\(.*\)$/\3/'`
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target=${target_cpu}-${target_vendor}-${target_os}
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. ${tmpfile}.tgt
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case "${host_alias}" in
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"${target_alias}") subdirname=H-${host_alias} ;;
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*) subdirname=X-${host_alias}-${target_alias} ;;
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esac
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case "${namesubdir}" in
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"") ;;
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*) subdirname=${namesubdir} ;;
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esac
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case "${removing}" in
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"")
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# Find the source files, if location was not specified.
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case "${srcdir}" in
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"")
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srcdirdefaulted=1
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srcdir=.
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||
if [ ! -r ${srctrigger} ] ; then
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srcdir=..
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||
fi
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;;
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*) ;;
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||
esac
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if [ ! -r ${srcdir}/${srctrigger} ] ; then
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case "${srcdirdefaulted}" in
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"") echo '***' "${progname}: Can't find ${srcname} sources in ${PWD}/${srcdir}" 1>&2 ;;
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*) echo '***' "${progname}: Can't find ${srcname} sources in ${PWD}/. or ${PWD}/.." 1>&2 ;;
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||
esac
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echo '***' \(At least ${srctrigger} is missing.\) 1>&2
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exit 1
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fi
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# Set up the list of links to be made.
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# ${links} is the list of link names, and ${files} is the list of names to link to.
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# Make the links.
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||
while [ -n "${files}" ] ; do
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# set file to car of files, files to cdr of files
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set ${files}; file=$1; shift; files=$*
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set ${links}; link=$1; shift; links=$*
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if [ ! -r ${srcdir}/${file} ] ; then
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echo '***' "${progname}: cannot create a link \"${link}\"," 1>&2
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||
echo '***' "since the file \"${file}\" does not exist." 1>&2
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exit 1
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||
fi
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||
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${remove} -f ${link}
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rm -f config.status
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# Make a symlink if possible, otherwise try a hard link
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${symbolic_link} ${srcdir}/${file} ${link} 2>/dev/null || ${hard_link} ${srcdir}/${file} ${link}
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||
if [ ! -r ${link} ] ; then
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echo '***' "${progname}: unable to link \"${link}\" to \"${srcdir}/${file}\"." 1>&2
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exit 1
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||
fi
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case "${verbose}" in
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"") ;;
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*) echo "Linked \"${link}\" to \"${srcdir}/${file}\"." ;;
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||
esac
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||
done
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# Create a .gdbinit file which runs the one in srcdir
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# and tells GDB to look there for source files.
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||
|
||
if [ -r ${srcdir}/.gdbinit ] ; then
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case ${srcdir} in
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.)
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||
;;
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*) cat > .gdbinit <<EOF
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# ${NO_EDIT} > .gdbinit
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dir .
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dir ${srcdir}
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source ${srcdir}/.gdbinit
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||
EOF
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;;
|
||
esac
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||
fi
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|
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# Install a makefile, and make it set VPATH
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||
# if necessary so that the sources are found.
|
||
# Also change its value of srcdir.
|
||
# NOTE: Makefile generation constitutes the majority of the time in configure. Hence, this section has
|
||
# been somewhat optimized and is perhaps a bit twisty.
|
||
|
||
# code is order so as to try to sed the smallest input files we know.
|
||
|
||
# the three makefile fragments MUST end up in the resulting Makefile in this order: target, host, and site.
|
||
# so do these separately because I don't trust the order of sed -e expressions.
|
||
|
||
# Conditionalize for this site from "Makefile.in" (or whatever it's called) into Makefile.tem
|
||
case "${site}" in
|
||
"") cp ${srcdir}/${Makefile_in} Makefile.tem ;;
|
||
*)
|
||
site_makefile_frag=${srcdir}/config/ms-${site}
|
||
|
||
if [ -f ${site_makefile_frag} ] ; then
|
||
sed -e "/^####/ r ${site_makefile_frag}" ${srcdir}/${Makefile_in} \
|
||
>> Makefile.tem
|
||
else
|
||
cp ${srcdir}/${Makefile_in} Makefile.tem
|
||
site_makefile_frag=
|
||
fi
|
||
;;
|
||
esac
|
||
# working copy now in Makefile.tem
|
||
|
||
# Conditionalize the makefile for this host.
|
||
case "${host_makefile_frag}" in
|
||
"") mv Makefile.tem ${Makefile} ;;
|
||
*)
|
||
host_makefile_frag=${srcdir}/${host_makefile_frag}
|
||
if [ -f ${host_makefile_frag} ] ; then
|
||
sed -e "/^####/ r ${host_makefile_frag}" Makefile.tem > ${Makefile}
|
||
else
|
||
echo '***' Expected host makefile fragment \"${host_makefile_frag}\" 1>&2
|
||
echo '***' is missing in ${PWD}. 1>&2
|
||
mv Makefile.tem ${Makefile}
|
||
fi
|
||
esac
|
||
# working copy now in ${Makefile}
|
||
|
||
# Conditionalize the makefile for this target.
|
||
case "${target_makefile_frag}" in
|
||
"") mv ${Makefile} Makefile.tem ;;
|
||
*)
|
||
target_makefile_frag=${srcdir}/${target_makefile_frag}
|
||
if [ -f ${target_makefile_frag} ] ; then
|
||
sed -e "/^####/ r ${target_makefile_frag}" ${Makefile} >> Makefile.tem
|
||
else
|
||
mv ${Makefile} Makefile.tem
|
||
target_makefile_frag=
|
||
fi
|
||
;;
|
||
esac
|
||
# real copy now in Makefile.tem
|
||
|
||
# prepend warning about editting, and a bunch of variables.
|
||
# fixme-someday: remove the subdir/unsubdir lines.
|
||
cat > ${Makefile} <<EOF
|
||
# ${NO_EDIT}
|
||
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}
|
||
target_makefile_frag = ${target_makefile_frag}
|
||
host_makefile_frag = ${host_makefile_frag}
|
||
site_makefile_frag = ${site_makefile_frag}
|
||
VPATH = ${srcdir}
|
||
subdir =
|
||
unsubdir = .
|
||
EOF
|
||
|
||
# fixme: this shouldn't be in configure.
|
||
# Define macro CROSS_COMPILE in compilation if this is a cross-compiler.
|
||
case "${host}" in
|
||
"${target}") echo "ALL=all.internal" >> ${Makefile} ;;
|
||
*)
|
||
echo "CROSS=-DCROSS_COMPILE" >> ${Makefile}
|
||
echo "ALL=all.cross" >> ${Makefile}
|
||
;;
|
||
esac
|
||
|
||
# reset prefix, datadir, srcdir, SUBDIRS, NONSUBDIRS, remove any form
|
||
# feeds.
|
||
sed -e "s:^prefix[ ]*=.*$:prefix = ${prefix}:" \
|
||
-e "s:^datadir[ ]*=.*$:datadir = ${datadir}:" \
|
||
-e "s:^srcdir[ ]*=.*$:srcdir = ${srcdir}:" \
|
||
-e "s:^SUBDIRS[ ]*=.*$:SUBDIRS = ${configdirs}:" \
|
||
-e "s:^NONSUBDIRS[ ]*=.*$:NONSUBDIRS = ${noconfigdirs}:" \
|
||
-e "s/ //" Makefile.tem >> ${Makefile}
|
||
# final copy now in ${Makefile}
|
||
|
||
rm Makefile.tem
|
||
|
||
if [ -n "${verbose}" -o -z "${recurring}" ] ; then
|
||
case "${host_makefile_frag}" in
|
||
"") using= ;;
|
||
*) using="and \"${host_makefile_frag}\"" ;;
|
||
esac
|
||
|
||
case "${target_makefile_frag}" in
|
||
"") ;;
|
||
*) using="${using} and \"${target_makefile_frag}\"" ;;
|
||
esac
|
||
|
||
case "${site_makefile_frag}" in
|
||
"") ;;
|
||
*) using="${using} and \"${site_makefile_frag}\"" ;;
|
||
esac
|
||
|
||
echo "Created \"${Makefile}\" in" ${PWD} `echo "${using}" | sed 's/and/using/'`
|
||
fi
|
||
|
||
. ${tmpfile}.pos
|
||
|
||
# describe the chosen configuration in config.status.
|
||
# Make that file a shellscript which will reestablish
|
||
# the same configuration. Used in Makefiles to rebuild
|
||
# Makefiles.
|
||
|
||
case "${norecursion}" in
|
||
"") arguments="${arguments} -norecursion" ;;
|
||
*) ;;
|
||
esac
|
||
|
||
echo "#!/bin/sh
|
||
# ${NO_EDIT}
|
||
# ${PWD} was configured as follows:
|
||
${progname}" ${arguments} "
|
||
# ${using}" > config.status
|
||
chmod a+x config.status
|
||
;;
|
||
*) rm -f ${Makefile} config.status ${links} ;;
|
||
esac
|
||
|
||
# If there are subdirectories, then recur.
|
||
if [ -z "${norecursion}" -a -n "${configdirs}" ] ; then
|
||
for configdir in ${configdirs} ; do
|
||
case "${verbose}" in
|
||
"") ;;
|
||
*) echo Configuring ${configdir}... ;;
|
||
esac
|
||
|
||
if [ -d ${srcdir}/${configdir} ] ; then
|
||
case "${srcdir}" in
|
||
".") ;;
|
||
*)
|
||
if [ ! -d ./${configdir} ] ; then
|
||
mkdir ./${configdir}
|
||
fi
|
||
;;
|
||
esac
|
||
|
||
POPDIR=${PWD}
|
||
cd ${configdir}
|
||
|
||
### figure out what to do with srcdir & guest configure
|
||
case "${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
|
||
|
||
### The recursion line is here.
|
||
if [ -f ${newsrcdir}/configure ] ; then
|
||
recprog=${newsrcdir}/configure
|
||
else
|
||
recprog=${progname}
|
||
fi
|
||
|
||
if ${recprog} -recurring ${host_alias} -target=${target_alias} \
|
||
${verbose} ${subdirs} ${removing} ${prefixoption} \
|
||
${tmpdiroption} ${namesubdiroption} ${datadiroption} \
|
||
${srcdiroption} ; then
|
||
true
|
||
else
|
||
exit 1
|
||
fi
|
||
|
||
cd ${POPDIR}
|
||
else
|
||
case "${verbose}" in
|
||
"") ;;
|
||
*) echo Warning: source directory \"${srcdir}/${configdir}\" is missing. ;;
|
||
esac
|
||
fi
|
||
done
|
||
fi
|
||
done # for each target
|
||
done # for each host
|
||
|
||
### clean up.
|
||
|
||
# trap cmd above handles this now:
|
||
#rm -f ${tmpfile}.com ${tmpfile}.tgt ${tmpfile}.hst ${tmpfile}.pos
|
||
|
||
exit 0
|
||
|
||
#
|
||
# Local Variables:
|
||
# fill-column: 131
|
||
# End:
|
||
#
|
||
|
||
# end of configure
|