binutils-gdb/configure

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#!/bin/sh
# Configuration script
# Copyright (C) 1988, 1990, 1991, 1992 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=$*
configdirs=
exec_prefix=
exec_prefixoption=
fatal=
floating_point=default
gas=default
host_alias=
host_makefile_frag=
next_host=
next_prefix=
next_site=
next_srcdir=
next_target=
next_tmpdir=
norecursion=
prefix=/usr/local
progname=
program_prefix=
program_prefix_option=
silent=
site_makefile_frag=
srcdir=
srctrigger=
target_alias=
target_makefile_frag=
undefinedargs=
verbose=
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.
##
PWD=`pwd`
progname=$0
case "${progname}" in
/*) ;;
*/*) ;;
*)
PATH=$PATH:${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} ; 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}
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}
;;
-exec_prefix | --exec_prefix | --exec_prefi | --exec_pref | --exec_pre | --exec_pr | --exec_p | --exec_ | --exec | --exe | --ex | --e)
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
;;
-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
;;
-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}
;;
-program_prefix | --program_prefix | --program_prefi | --program_pref | --program_pre | --program_pr | --program_p | --program_ | --program | --progra | --progr | --prog | --pro)
next_program_prefix=yes
;;
-s | -silent | --silent | --silen | --sile | --sil)
silent=true
arguments=`echo ${arguments} | sed "s:${arg}::"`
;;
-site=* | --site=* | --sit=* | --si=*)
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)
verbose=${arg}
;;
-version | -V | --version | --V)
echo "This is Cygnus Configure version" `echo ${version} | sed 's/[ $:]//g'`
exit 0
;;
-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, 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
;;
*) ;;
esac
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
exit 1
fi
configsub=`echo ${progname} | sed 's/configure$/config.sub/'`
if ${configsub} `echo ${host_alias} | sed -e 's/ .*//'` >/dev/null 2>&1 ; then
true
else
echo '***' cannot find config.sub. 1>&2
exit 1
fi
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 for ${PWD} when ${srcdir}/config.status exists. 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 ${PWD}/configure.in. 1>&2
exit 1
;;
*) ;;
esac
result=`${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 ${PWD}/${srcdir}" 1>&2 ;;
*) echo '***' "${progname}: Can't find ${srcname} sources in ${PWD}/. or ${PWD}/.." 1>&2 ;;
esac
echo '***' \(At least ${srctrigger} is missing.\) 1>&2
exit 1
fi
# Set up the list of links to be made.
# ${links} is the list of link names, and ${files} is the list of names to link to.
# Make the links.
configlinks="${links}"
while [ -n "${files}" ] ; do
# set file to car of files, files to cdr of files
set ${files}; file=$1; shift; files=$*
set ${links}; link=$1; shift; links=$*
if [ ! -r ${srcdir}/${file} ] ; then
echo '***' "${progname}: cannot create a link \"${link}\"," 1>&2
echo '***' "since the file \"${file}\" does not exist." 1>&2
exit 1
fi
${remove} -f ${link}
rm -f config.status
# Make a symlink if possible, otherwise try a hard link
${symbolic_link} ${srcdir}/${file} ${link} 2>/dev/null || ${hard_link} ${srcdir}/${file} ${link}
if [ ! -r ${link} ] ; then
echo '***' "${progname}: unable to link \"${link}\" to \"${srcdir}/${file}\"." 1>&2
exit 1
fi
case "${verbose}" in
"") ;;
*) echo "Linked \"${link}\" to \"${srcdir}/${file}\"." ;;
esac
done
# Create a .gdbinit file which runs the one in srcdir
# and tells GDB to look there for source files.
if [ -r ${srcdir}/.gdbinit ] ; then
case ${srcdir} in
.)
;;
*) cat > .gdbinit <<EOF
# ${NO_EDIT} > .gdbinit
dir .
dir ${srcdir}
source ${srcdir}/.gdbinit
EOF
;;
esac
fi
# Install a makefile, and make it set VPATH
# if necessary so that the sources are found.
# Also change its value of srcdir.
# NOTE: Makefile generation constitutes the majority of the time in configure. Hence, this section has
# been somewhat optimized and is perhaps a bit twisty.
# code is order so as to try to sed the smallest input files we know.
# the three makefile fragments MUST end up in the resulting Makefile in this order: target, host, and site.
# so do these separately because I don't trust the order of sed -e expressions.
# Conditionalize for this site from "Makefile.in" (or whatever it's called) into Makefile.tem
case "${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.
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}
links = ${configlinks}
VPATH = ${srcdir}
EOF
# fixme: this shouldn't be in configure.
# Define macro CROSS_COMPILE in compilation if this is a cross-compiler.
case "${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=${target_alias}- ;;
*) ;;
esac
tooldir="$(libdir)/${target_alias}"
;;
esac
# reset prefix, exec_prefix, srcdir, SUBDIRS, NONSUBDIRS, remove any form
# feeds.
sed -e "s:^prefix[ ]*=.*$:prefix = ${prefix}:" \
-e "s:^exec_prefix[ ]*=.*$:exec_prefix = ${exec_prefix}:" \
-e "s:^srcdir[ ]*=.*$:srcdir = ${srcdir}:" \
-e "s:^SUBDIRS[ ]*=.*$:SUBDIRS = ${configdirs}:" \
-e "s:^NONSUBDIRS[ ]*=.*$:NONSUBDIRS = ${noconfigdirs}:" \
-e "s/ //" \
-e "s:^program_prefix[ ]*=.*$:program_prefix = ${program_prefix}:" \
-e "s:^tooldir[ ]*=.*$:tooldir = ${tooldir}:" \
Makefile.tem >> ${Makefile}
# final copy now in ${Makefile}
rm Makefile.tem
if [ -n "${verbose}" -o -z "${silent}" ] ; then
case "${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} "
# ${using}" > config.status
chmod a+x config.status
# If there are subdirectories, then recur.
if [ -z "${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 ${configdir}
### figure out what to do with srcdir
case "${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
else
case "${progname}" in
/*) recprog=${progname} ;;
*) recprog=../${progname} ;;
esac
fi
### The recursion line is here.
if ${recprog} -s ${host_alias} -target=${target_alias} \
${verbose} ${prefixoption} ${tmpdiroption} ${exec_prefixoption} \
${srcdiroption} ${program_prefixoption} ; then
true
else
exit 1
fi
cd ${POPDIR}
else
case "${verbose}" in
"") ;;
*) echo Warning: source directory \"${srcdir}/${configdir}\" is missing. ;;
esac
fi
done
fi
### 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