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configure
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#!/bin/sh
### WARNING: this file contains embedded tabs. Do not run untabify on this file.
# Configuration script
# Copyright (C) 1988, 1990, 1991, 1992, 1993 Free Software Foundation, Inc.
# 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. */
# Please email any bugs, comments, and/or additions to this file to:
# configure@cygnus.com
# This file was written by K. Richard Pixley.
#
# Shell script to create proper links to machine-dependent files in
# 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.
#
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
symbolic_link='ln -s'
#for Test
#remove="echo rm"
#hard_link="echo ln"
#symbolic_link="echo ln -s"
# clear some things potentially inherited from environment.
Makefile=Makefile
Makefile_in=Makefile.in
arguments=$*
build_alias=
configdirs=
exec_prefix=
exec_prefixoption=
fatal=
floating_point=default
gas=default
host_alias=
host_makefile_frag=
moveifchange=
next_build=
next_host=
next_prefix=
next_site=
next_srcdir=
next_target=
next_tmpdir=
norecursion=
package_makefile_frag=
#prefix=/usr/local
prefix=/usr
progname=
program_prefix=
program_prefixoption=
program_suffix=
program_suffixoption=
program_transform_name=
program_transform_nameoption=
redirect=">/dev/null"
removing=
site=
site_makefile_frag=
site_option=
srcdir=
srctrigger=
subdirs=
target_alias=
target_makefile_frag=
undefinedargs=
version="$Revision: 1.172 $"
x11=default
### we might need to use some other shell than /bin/sh for running subshells
#
config_shell=${CONFIG_SHELL-/bin/sh}
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.
##
progname=$0
# if PWD already has a value, it is probably wrong.
if [ -n "$PWD" ]; then PWD=`pwd`; fi
case "${progname}" in
/*) ;;
*/*) ;;
*)
PATH=$PATH:${PWD=`pwd`} ; export PATH
;;
esac
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_program_suffix}" ] ; then
program_suffix=${arg}
program_suffixoption="-program_suffix=${program_suffix}"
next_program_suffix=
elif [ -n "${next_program_transform_name}" ] ; then
# Double any backslashes or dollar signs in the argument
if [ -n "${arg}" ] ; then
program_transform_name="${program_transform_name} -e `echo ${arg} | sed -e 's/\\\\/\\\\\\\\/g' -e 's/\\\$/$$/g'`"
fi
program_transform_nameoption="${program_transform_nameoption} --program-transform-name='${arg}'"
next_program_transform_name=
elif [ -n "${next_build}" ] ; then
next_build=
case "${build_alias}" in
"")
build_alias="${arg}"
;;
*)
echo '***' Can only configure for one build machine at a time. 1>&2
fatal=yes
;;
esac
elif [ -n "${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 "${next_host}" ] ; then
next_host=
case "${host_alias}" in
"")
host_alias="${arg}"
;;
*)
echo '***' Can only configure for one host at a time. 1>&2
fatal=yes
;;
esac
elif [ -n "${next_tmpdir}" ] ; then
next_tmpdir=
tmpdiroption="--tmpdir=${arg}"
TMPDIR=${arg}
else
case ${arg} in
-build=* | --build=* | --buil=* | --bui=* | --bu=* | --b=*)
case "${build_alias}" in
"") build_alias="`echo ${arg} | sed 's/^[-a-z]*=//'`" ;;
*)
echo '***' Can only configure for one build machine at a time. 1>&2
fatal=yes
;;
esac
;;
-build | --build | --buil | --bui | --bu | --b)
next_build=yes
;;
-exec_prefix=* | --exec_prefix=* | --exec_prefi=* | --exec_pref=* | --exec_pre=* | --exec_pr=* | --exec_p=* | --exec_=* | --exec=* | --exe=* | --ex=* | --e=* | -exec-prefix=* | --exec-prefix=* | --exec-prefi=* | --exec-pref=* | --exec-pre=* | --exec-pr=* | --exec-p=* | --exec-=* )
exec_prefix=`echo ${arg} | sed 's/^[-a-z_]*=//'`
exec_prefixoption=${arg}
;;
-exec_prefix | --exec_prefix | --exec_prefi | --exec_pref | --exec_pre | --exec_pr | --exec_p | --exec_ | --exec | --exe | --ex | --e | -exec-prefix | --exec-prefix | --exec-prefi | --exec-pref | --exec-pre | --exec-pr | --exec-p | --exec-)
next_exec_prefix=yes
;;
-gas | --g*)
gas=yes
;;
-help | --he*)
fatal=true
;;
-host=* | --host=* | --hos=* | --ho=*)
case "${host_alias}" in
"")
host_alias="`echo ${arg} | sed 's/^[-a-z]*=//'`"
;;
*)
echo '***' Can only configure for one host at a time. 1>&2
fatal=yes
;;
esac
;;
-host | --host | --hos | --ho)
case "${host_alias}" in
"")
next_host=yes
;;
*)
echo '***' Can only configure for one host at a time. 1>&2
fatal=yes
;;
esac
;;
-nfp | --nf*)
floating_point=no
;;
-norecursion | --no*)
norecursion=true
;;
-prefix=* | --prefix=* | --prefi=* | --pref=* | --pre=*)
prefix=`echo ${arg} | sed 's/^[-a-z]*=//'`
prefixoption=${arg}
;;
-prefix | --prefix | --prefi | --pref | --pre)
next_prefix=yes
;;
-rm | --rm) removing=${arg} ;;
-program_prefix=* | --program_prefix=* | --program_prefi=* | --program_pref=* | --program_pre=* | --program_pr=* | --program_p=* | -program-prefix=* | --program-prefix=* | --program-prefi=* | --program-pref=* | --program-pre=* | --program-pr=* | --program-p=*)
program_prefix=`echo ${arg} | sed 's/^[-a-z_]*=//'`
program_prefixoption=${arg}
;;
-program_prefix | --program_prefix | --program_prefi | --program_pref | --program_pre | --program_pr | --program_p | -program-prefix | --program-prefix | --program-prefi | --program-pref | --program-pre | --program-pr | --program-p)
next_program_prefix=yes
;;
-program_suffix=* | --program_suffix=* | --program_suffi=* | --program_suff=* | --program_suf=* | --program_su=* | --program_s=* | -program-suffix=* | --program-suffix=* | --program-suffi=* | --program-suff=* | --program-suf=* | --program-su=* | --program-s=*)
program_suffix=`echo ${arg} | sed 's/^[-a-z_]*=//'`
program_suffixoption=${arg}
;;
-program_suffix | --program_suffix | --program_suffi | --program_suff | --program_suf | --program_su | --program_s |-program-suffix | --program-suffix | --program-suffi | --program-suff | --program-suf | --program-su | --program-s)
next_program_suffix=yes
;;
-program_transform_name=* | --program_transform_name=* | --program_transform_nam=* | --program_transform_na=* | --program_transform_n=* | --program_transform_=* | --program_transform=* | --program_transfor=* | --program_transfo=* | --program_transf=* | --program_trans=* | --program_tran=* | --program_tra=* | --program_tr=* | --program_t=* | -program-transform-name=* | --program-transform-name=* | --program-transform-nam=* | --program-transform-na=* | --program-transform-n=* | --program-transform-=* | --program-transform=* | --program-transfor=* | --program-transfo=* | --program-transf=* | --program-trans=* | --program-tran=* | --program-tra=* | --program-tr=* | --program-t=*)
arg=`echo ${arg} | sed -e 's/^[-a-z_]*=//'`
# Double any \ or $ in the argument
if [ -n "${arg}" ] ; then
program_transform_name="${program_transform_name} -e `echo ${arg} | sed -e 's/\\\\/\\\\\\\\/g' -e 's/\\\$/$$/g'`"
fi
program_transform_nameoption="${program_transform_nameoption} --program-transform-name='${arg}'"
;;
-program_transform_name | --program_transform_name | --program_transform_nam | --program_transform_na | --program_transform_n | --program_transform_ | --program_transform | --program_transfor | --program_transfo | --program_transf | --program_trans | --program_tran | --program_tra | --program_tr | --program_t | -program-transform-name | --program-transform-name | --program-transform-nam | --program-transform-na | --program-transform-n | --program-transform- | --program-transform | --program-transfor | --program-transfo | --program-transf | --program-trans | --program-tran | --program-tra | --program-tr | --program-t)
next_program_transform_name=yes
;;
-site=* | --site=* | --sit=* | --si=*)
site_option=${arg}
site=`echo ${arg} | sed 's/^[-a-z]*=//'`
;;
-site | --site | --sit)
next_site=yes
;;
# 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 ${arg} | sed 's/^[-a-z]*=//' | sed -e 's:/$::'`
;;
-srcdir | --srcdir | --srcdi | --srcd | --src | --sr)
next_srcdir=yes
;;
-target=* | --target=* | --targe=* | --targ=* | --tar=* | --ta=*)
case "${target_alias}" in
"") target_alias="`echo ${arg} | sed 's/^[-a-z]*=//'`" ;;
*)
echo '***' Can only configure for one target at a time. 1>&2
fatal=yes
;;
esac
;;
-target | --target | --targe | --targ | --tar | --ta)
next_target=yes
;;
-tmpdir=* | --tmpdir=* | --tmpdi=* | --tmpd=* | --tmp=* | --tm=*)
tmpdiroption=${arg}
TMPDIR=`echo ${arg} | sed 's/^[-a-z]*=//'`
;;
-tmpdir | --tmpdir | --tmpdi | --tmpd | --tmp | --tm)
next_tmpdir=yes
;;
-v | -verbose | --v)
redirect=
verbose=-v
;;
-version | -V | --version | --V)
echo "This is Cygnus Configure version" `echo ${version} | sed 's/[ $:]//g'`
exit 0
;;
-with*=* | --with*=*)
withopt=`echo ${arg} | sed 's:^-*\(with[^=]*\)=.*$:\1:;s/-/_/g'`
withval=`echo ${arg} | sed 's:^-*with[^=]*=\(.*\)$:\1:'`
eval $withopt="$withval"
withoptions="$withoptions $arg"
;;
-without* | --without*)
withopt=`echo ${arg} | sed 's:^-*without:with:;s/-/_/g'`
eval $withopt=no
withoutoptions="$withoutoptions $arg"
;;
-with* | --with*)
withopt=`echo ${arg} | sed 's:^-*with:with:;s/-/_/g'`
eval $withopt=yes
withoptions="$withoptions $arg"
;;
-x | --x) ;;
-* | --*)
(echo ;
echo "Unrecognized option: \"${arg}\"". ;
echo) 1>&2
fatal=true
;;
*)
case "${undefs}" in
"")
undefs="${arg}"
;;
*)
echo '***' Can only configure for one host and one target at a time. 1>&2
fatal=yes
;;
esac
;;
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, guess with config.guess.
### * 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 "${target_alias}" -a -z "${undefs}" ]
then
guesssys=`echo ${progname} | sed 's/configure$/config.guess/'`
if tmp_alias=`${guesssys}` ; then
echo "Configuring for a ${tmp_alias} host." 1>&2
host_alias=${tmp_alias}
case "${target_alias}" in
"") target_alias=${tmp_alias} ;;
*) ;;
esac
arguments="--host=${host_alias} ${arguments}"
else
echo 'Config.guess failed to determine the host type. You need to specify one.' 1>&2
fatal=yes
fi
else
case "${host_alias}" in
"")
case "${undefs}" in
"") host_alias=${target_alias} ;;
*) host_alias=${undefs} ;;
esac
;;
*) ;;
esac
case "${target_alias}" in
"")
case "${undefs}" in
"") target_alias=${host_alias} ;;
*) target_alias=${undefs} ;;
esac
;;
*) ;;
esac
fi
;;
*) ;;
esac
if [ -n "${fatal}" -o "${host_alias}" = "help" ] ; then
(echo "Usage: configure HOST" ;
echo ;
echo "Options: [defaults in brackets]" ;
echo " --prefix=MYDIR configure for installation of host dependent files into MYDIR. [\"/usr/local\"]" ;
echo " --exec-prefix=MYDIR configure for installation of host dependent files into MYDIR. [\"/usr/local\"]" ;
echo " --help print this message. [normal config]" ;
echo " --build=BUILD configure for building on BUILD. [BUILD=HOST]" ;
echo " --host=HOST configure for HOST. [determined via config.guess]" ;
echo " --norecursion configure this directory only. [recurse]" ;
echo " --program-prefix=FOO install programs with FOO prepended to their names. [ \"\" ]" ;
echo " --program-suffix=FOO install programs with FOO appended to their names. [ \"\" ]" ;
echo " --program-transform-name=FOO install programs with names transformed by sed pattern FOO. [ \"\" ]" ;
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 " --nfp configure the compilers default to soft floating point. [hard float]" ;
echo " --with-FOO, --with-FOO=BAR specify that FOO is available"
echo " --without-FOO specify that FOO is NOT available"
echo ;
echo "Where HOST and TARGET are something like \"vax\", \"sun3\", \"encore\", etc." ;
echo ;
) 1>&2
if [ -r config.status ] ; then
cat config.status
fi
exit 1
fi
configsub=`echo ${progname} | sed 's/configure$/config.sub/'`
moveifchange=`echo ${progname} | sed 's/configure$/move-if-change/'`
# 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
touch config.junk
if ${moveifchange} config.junk config.trash ; then
true
else
echo '***' cannot find move-if-change. 1>&2
exit 1
fi
rm -f config.junk config.trash
case "${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
### warn about some conflicting configurations.
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
### do common part of configure.in
. ${tmpfile}.com
# some sanity checks on configure.in
case "${srctrigger}" in
"")
echo '***' srctrigger not set in ${PWD=`pwd`}/configure.in. 1>&2
exit 1
;;
*) ;;
esac
case "${build_alias}" in
"") ;;
*)
result=`${configsub} ${build_alias}`
buildopt="--build=${build_alias}"
build_cpu=`echo $result | sed 's/^\(.*\)-\(.*\)-\(.*\)$/\1/'`
build_vendor=`echo $result | sed 's/^\(.*\)-\(.*\)-\(.*\)$/\2/'`
build_os=`echo $result | sed 's/^\(.*\)-\(.*\)-\(.*\)$/\3/'`
build=${build_cpu}-${build_vendor}-${build_os}
;;
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
echo '***' \(At least ${srctrigger} is missing.\) 1>&2
exit 1
fi
# Some systems (e.g., one of the i386-aix systems the gas testers are
# using) don't handle "\$" correctly, so don't use it here.
tooldir='$(exec_prefix)'/${target_alias}
if [ "${host_alias}" != "${target_alias}" ] ; then
if [ "${program_prefixoption}" = "" ] ; then
if [ "${program_suffixoption}" = "" ] ; then
if [ "${program_transform_nameoption}" = "" ] ; then
program_prefix=${target_alias}- ;
fi
fi
fi
fi
# Merge program_prefix and program_suffix onto program_transform_name
# Use a double $ so that make ignores it
if [ "${program_suffix}" != "" ] ; then
program_transform_name="-e s/\$\$/${program_suffix}/ ${program_transform_name}"
fi
if [ "${program_prefix}" != "" ] ; then
program_transform_name="-e s/^/${program_prefix}/ ${program_transform_name}"
fi
for subdir in . ${subdirs} ; do
# ${subdir} is relative path from . to the directory we're currently
# configuring.
# ${invsubdir} is inverse of ${subdir), *with* trailing /, if needed.
invsubdir=`echo ${subdir}/ | sed -e 's|\./||g' -e 's|[^/]*/|../|g'`
### figure out what to do with srcdir
case "${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=${srcdir} ;;
*) makesrcdir=${invsubdir}${srcdir}/${subdir} ;;
esac
;;
esac
if [ "${subdir}/" != "./" ] ; then
Makefile=${subdir}/Makefile
fi
if [ ! -d ${subdir} ] ; then
if mkdir ${subdir} ; then
true
else
echo '***' "${progname}: could not make ${PWD=`pwd`}/${subdir}" 1>&2
exit 1
fi
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 ${files} is the list of names to link to.
# Make the links.
configlinks="${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=$1; shift; links=$*
if [ ! -r ${srcdir}/${file} ] ; then
echo '***' "${progname}: cannot create a link \"${link}\"," 1>&2
echo '***' "since the file \"${srcdir}/${file}\" does not exist." 1>&2
exit 1
fi
${remove} -f ${link}
# Make a symlink if possible, otherwise try a hard link
${symbolic_link} ${srcdir}/${file} ${link} 2>/dev/null || ${hard_link} ${srcdir}/${file} ${link}
if [ ! -r ${link} ] ; then
echo '***' "${progname}: unable to link \"${link}\" to \"${srcdir}/${file}\"." 1>&2
exit 1
fi
echo "Linked \"${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.
# 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 four makefile fragments MUST end up in the resulting Makefile in this order:
# package, target, host, and site. so do these separately because I don't trust the
# order of sed -e expressions.
if [ -f ${srcdir}/${subdir}/${Makefile_in} ] ; then
# Conditionalize for this site from "Makefile.in" (or whatever it's called) into Makefile.tem
rm -f ${subdir}/Makefile.tem
case "${site}" in
"") cp ${srcdir}/${subdir}/${Makefile_in} ${subdir}/Makefile.tem ;;
*)
site_makefile_frag=${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
# 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 target.
rm -f ${subdir}/Makefile.tem
case "${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
# Conditionalize the makefile for this package.
rm -f ${Makefile}
case "${package_makefile_frag}" in
"") mv ${subdir}/Makefile.tem ${Makefile} ;;
*)
if [ ! -f ${package_makefile_frag} ] ; then
package_makefile_frag=${srcdir}/${package_makefile_frag}
fi
if [ -f ${package_makefile_frag} ] ; then
sed -e "/^####/ r ${package_makefile_frag}" ${subdir}/Makefile.tem > ${Makefile}
else
echo '***' Expected package makefile fragment \"${package_makefile_frag}\" 1>&2
echo '***' is missing in ${PWD=`pwd`}. 1>&2
mv ${subdir}/Makefile.tem ${Makefile}
fi
esac
# working copy now in ${Makefile}
mv ${Makefile} ${subdir}/Makefile.tem
# 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}
host_canonical = ${host_cpu}-${host_vendor}-${host_os}
target_alias = ${target_alias}
target_cpu = ${target_cpu}
target_vendor = ${target_vendor}
target_os = ${target_os}
target_canonical = ${target_cpu}-${target_vendor}-${target_os}
EOF
case "${build}" in
"") ;;
*) cat >> ${Makefile} << EOF
build_alias = ${build_alias}
build_cpu = ${build_cpu}
build_vendor = ${build_vendor}
build_os = ${build_os}
build_canonical = ${build_cpu}-${build_vendor}-${build_os}
EOF
esac
case "${package_makefile_frag}" in
"") ;;
/*) echo package_makefile_frag = ${package_makefile_frag} >>${Makefile} ;;
*) echo package_makefile_frag = ${invsubdir}${package_makefile_frag} >>${Makefile} ;;
esac
case "${target_makefile_frag}" in
"") ;;
/*) echo target_makefile_frag = ${target_makefile_frag} >>${Makefile} ;;
*) echo target_makefile_frag = ${invsubdir}${target_makefile_frag} >>${Makefile} ;;
esac
case "${host_makefile_frag}" in
"") ;;
/*) echo host_makefile_frag = ${host_makefile_frag} >>${Makefile} ;;
*) echo host_makefile_frag = ${invsubdir}${host_makefile_frag} >>${Makefile} ;;
esac
if [ "${site_makefile_frag}" != "" ] ; then
echo site_makefile_frag = ${invsubdir}${site_makefile_frag} >>${Makefile}
fi
# make sure that some sort of reasonable default exists for these
# two variables
CXX=${CXX-"g++ -O"}
CC=${CC-cc}
# reset prefix, exec_prefix, srcdir, SUBDIRS, NONSUBDIRS,
# remove any form feeds.
if [ -z "${subdirs}" ]; then
rm -f ${subdir}/Makefile.tem2
sed -e "s:^SUBDIRS[ ]*=.*$:SUBDIRS = ${configdirs}:" \
-e "s:^NONSUBDIRS[ ]*=.*$:NONSUBDIRS = ${noconfigdirs}:" \
${subdir}/Makefile.tem > ${subdir}/Makefile.tem2
rm -f ${subdir}/Makefile.tem
mv ${subdir}/Makefile.tem2 ${subdir}/Makefile.tem
fi
sed -e "s:^prefix[ ]*=.*$:prefix = ${prefix}:" \
-e "s:^exec_prefix[ ]*=.*$:exec_prefix = ${exec_prefix}:" \
-e "s:^SHELL[ ]*=.*$:SHELL = ${config_shell}:" \
-e "s:^srcdir[ ]*=.*$:srcdir = ${makesrcdir}:" \
-e "s///" \
-e "s:^program_prefix[ ]*=.*$:program_prefix = ${program_prefix}:" \
-e "s:^program_suffix[ ]*=.*$:program_suffix = ${program_suffix}:" \
-e "s:^program_transform_name[ ]*=.*$:program_transform_name = ${program_transform_name}:" \
-e "s:^tooldir[ ]*=.*$:tooldir = ${tooldir}:" \
${subdir}/Makefile.tem >> ${Makefile}
# final copy now in ${Makefile}
else
echo "No Makefile.in found in ${srcdir}/${subdir}, unable to configure" 1>&2
fi
rm -f ${subdir}/Makefile.tem
case "${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 \"${site_makefile_frag}\"" ;;
esac
newusing=`echo "${using}" | sed 's/and/using/'`
using=${newusing}
echo "Created \"${Makefile}\" in" ${PWD=`pwd`} ${using}
. ${tmpfile}.pos
# describe the chosen configuration in config.status.
# Make that file a shellscript which will reestablish
# the same configuration. Used in Makefiles to rebuild
# Makefiles.
case "${norecursion}" in
"") arguments="${arguments} -norecursion" ;;
*) ;;
esac
if [ ${subdir} = . ] ; then
echo "#!/bin/sh
# ${NO_EDIT}
# This directory was configured as follows:
${progname}" ${arguments} "
# ${using}" > ${subdir}/config.new
else
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
;;
*) rm -f ${Makefile} ${subdir}/config.status ${links} ;;
esac
done
# If there are subdirectories, then recur.
if [ -z "${norecursion}" -a -n "${configdirs}" ] ; then
for configdir in ${configdirs} ; do
if [ -d ${srcdir}/${configdir} ] ; then
eval echo Configuring ${configdir}... ${redirect}
case "${srcdir}" in
".") ;;
*)
if [ ! -d ./${configdir} ] ; then
if mkdir ./${configdir} ; then
true
else
echo '***' "${progname}: could not make ${PWD=`pwd`}/${configdir}" 1>&2
exit 1
fi
fi
;;
esac
POPDIR=${PWD=`pwd`}
cd ${configdir}
### figure out what to do with srcdir
case "${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
### check for guested configure, otherwise fix possibly relative progname
if [ -f ${newsrcdir}/configure ] ; then
recprog=${newsrcdir}/configure
elif [ -f ${newsrcdir}/configure.in ] ; then
case "${progname}" in
/*) recprog=${progname} ;;
*) recprog=../${progname} ;;
esac
else
eval echo No configuration information in ${configdir} ${redirect}
recprog=
fi
### The recursion line is here.
if [ ! -z "${recprog}" ] ; then
if eval ${config_shell} ${recprog} ${verbose} ${buildopt} --host=${host_alias} --target=${target_alias} \
${prefixoption} ${tmpdiroption} ${exec_prefixoption} \
${srcdiroption} ${program_prefixoption} ${program_suffixoption} ${program_transform_nameoption} ${site_option} ${withoptions} ${withoutoptions} ${removing} ${redirect} ; then
true
else
exit 1
fi
fi
cd ${POPDIR}
fi
done
fi
exit 0
#
# Local Variables:
# fill-column: 131
# End:
#
# end of configure