old-cross-binutils/readline/configure
K. Richard Pixley 5a168a17ee resync
1991-10-02 04:15:56 +00:00

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#!/bin/sh
# Configuration script
# Copyright (C) 1988, 1990, 1991 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. */
# $Id$
#
# 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.
#
remove=rm
hard_link=ln
symbolic_link='ln -s'
#for Test
#remove="echo rm"
#hard_link="echo ln"
#symbolic_link="echo ln -s"
progname=$0
# clear some things potentially inherited from environment.
ansi=
arguments=$*
defaulttargets=
destdir=
fatal=
hostsubdir=
Makefile=Makefile
Makefile_in=Makefile.in
norecursion=
recurring=
removing=
srcdir=
srctrigger=
target=
targets=
commontargets=
configdirs=
targetsubdir=
template=
verbose=
for arg in $*;
do
case ${arg} in
-ansi | +a*)
ansi=true
clib=clib
;;
-destdir=* | +destdir=* | +destdi=* | +destd=* | +dest=* | +des=* | +de=* | +d=*)
destdir=`echo ${arg} | sed 's/[+-]d[a-z]*=//'`
;;
-languages=* | +languages=* | +language=* | +languag=* \
| +langua=* | +langu=* | +lang=* | +lan=* | +la=* \
| +l=*)
languages="${languages} `echo ${arg} | sed 's/[+-]l[a-z]*=//'`"
;;
-gas | +g*)
gas=yes
;;
-help | +h*)
fatal=true
;;
-nfp | +nf*)
nfp=yes
;;
-norecursion | +no*)
norecursion=true
;;
-recurring | +recurring | +recurrin | +recurri | +recurr | +recur | +recu | +rec | +re)
recurring=true
;;
-rm | +rm)
removing=${arg}
;;
# -srcdir=* | +srcdir=* | +srcdi=* | +srcd=* | +src=* | +sr=* | +s=*)
# srcdir=`echo ${arg} | sed 's/[+-]s[a-z]*=//'`
# ;;
-subdirs | +f* | +su*)
subdirs=${arg}
;;
-target=* | +target=* | +targe=* | +targ=* | +tar=* | +ta=*)
if [ -n "${targets}" ] ; then
subdirs="+subdirs"
fi
newtargets="${targets} `echo ${arg} | sed 's/[+-]t[a-z]*=//'`"
targets="${newtargets}"
;;
-template=* | +template=* | +templat=* | +templa=* | +templ=* | +temp=* | +tem=* | +te=*)
template=`echo ${arg} | sed 's/[+-]template=//'`
;;
-v | -verbose | +v*)
verbose=${arg}
;;
-* | +*)
(echo ;
echo "Unrecognized option: \"${arg}\"". ;
echo) 1>&2
fatal=true
;;
*)
if [ -n "${hosts}" ] ; then
subdirs="+subdirs"
fi
newhosts="${hosts} ${arg}"
hosts=${newhosts}
;;
esac
done
if [ -n "${verbose}" ] ; then
echo `pwd`/configure $*
fi
# process host and target only if not rebuilding configure itself or removing.
if [ -z "${template}" -a -z "${removing}" -a -z "${fatal}" ] ; then
# Complain if an arg is missing
if [ -z "${hosts}" ] ; then
(echo ;
echo "configure: No HOST specified." ;
echo) 1>&2
fatal=true
fi
fi
if [ -n "${fatal}" -o "${hosts}" = "help" ] ; then
(echo "Usage: configure HOST" ;
echo ;
echo "Options: [defaults in brackets]" ;
echo " +ansi configure w/ANSI library. [no ansi lib]" ;
echo " +destdir=MYDIR configure for installation into MYDIR. [/usr/local]" ;
echo " +subdirs configure in subdirectories. [in source directories]" ;
echo " +lang=LANG configure to build LANG. [gcc]" ;
echo " +help print this message. [normal config]" ;
echo " +gas configure the compilers for use with gas. [native as]" ;
echo " +nfp configure the compilers default to soft floating point. [hard float]" ;
echo " +norecursion configure this directory only. [recurse]" ;
echo " +rm remove this configuration. [build a configuration]" ;
echo " +target=TARGET configure for TARGET. [TARGET = HOST]" ;
echo " +template=TEM rebuild configure using TEM. [normal config]" ;
echo ;
echo "Where HOST and TARGET are something like \"vax\", \"sun3\", \"encore\", etc." ;
echo "Asking for more than one \"+target\" implies \"+subdirs\". Any other" ;
echo "options given will apply to all targets.") 1>&2
if [ -r config.status ] ; then
cat config.status
fi
exit 1
fi
#### configure.in common parts come in here.
# This file is a shell script fragment that supplies the information
# necessary to tailor a template configure script into the configure
# script appropriate for this directory. For more information, check
# any existing configure script.
configdirs=
srctrigger=readline.c
srcname="the readline library"
## end of common part.
# are we rebuilding config itself?
if [ -n "${template}" ] ; then
if [ ! -r ${template} ] ; then
echo '***' "Can't find template ${template}." 1>&2
exit 1
fi
# prep the template
sed -e '/^#### configure.in common parts come in here.$/,/^## end of common part.$/c\
#### configure.in common parts come in here.\
## end of common part.' \
-e '/^#### configure.in per-host parts come in here.$/,/^## end of per-host part.$/c\
#### configure.in per-host parts come in here.\
## end of per-host part.' \
-e '/^#### configure.in per-target parts come in here.$/,/^## end of per-target part.$/c\
#### configure.in per-target parts come in here.\
## end of per-target part.' \
-e '/^#### configure.in post-target parts come in here.$/,/^## end of post-target part.$/c\
#### configure.in post-target parts come in here.\
## end of post-target part.' \
< ${template} > template.new
if [ -r configure.in ] ; then
if [ -z "`grep '^# per\-host:' configure.in`" ] ; then
echo '***' `pwd`/configure.in has no "per-host:" line. 1>&2
exit 1
fi
if [ -z "`grep '^# per\-target:' configure.in`" ] ; then
echo '***' `pwd`/configure.in has no "per-target:" line. 1>&2
exit 1
fi
# split configure.in into common, per-host, per-target,
# and post-target parts. Post-target is optional.
sed -e '/^# per\-host:/,$d' configure.in > configure.com
sed -e '1,/^# per\-host:/d' -e '/^# per\-target:/,$d' configure.in > configure.hst
if grep -s '^# post-target:' configure.in ; then
sed -e '1,/^# per\-target:/d' -e '/^# post\-target:/,$d' configure.in > configure.tgt
sed -e '1,/^# post\-target:/d' configure.in > configure.pos
else
sed -e '1,/^# per\-target:/d' configure.in > configure.tgt
echo >configure.pos
fi
# and insert them
sed -e '/^#### configure.in common parts come in here.$/ r configure.com' \
-e '/^#### configure.in per\-host parts come in here.$/ r configure.hst' \
-e '/^#### configure.in per\-target parts come in here.$/ r configure.tgt' \
-e '/^#### configure.in post\-target parts come in here.$/ r configure.pos' \
template.new > configure.new
rm -f configure.com configure.tgt configure.hst configure.pos
else
echo Warning: no configure.in in `pwd`
cat ${template} >> configure
fi
chmod a+x configure.new
rm template.new
# mv configure configure.old
mv configure.new configure
if [ -n "${verbose}" ] ; then
echo Rebuilt configure in `pwd`
fi
# Now update config.sub from the template directory.
if echo "$template" | grep -s 'configure$' ; then
cp `echo "$template" | sed s/configure$/config.sub/` ./config.sub.new
# mv config.sub config.sub.old
mv config.sub.new config.sub
if [ -n "${verbose}" ] ; then
echo Rebuilt config.sub in `pwd`
fi
fi
if [ -z "${norecursion}" ] ; then
# If template is relative path, make it absolute for recurring.
if echo "${template}" | grep -s '^/' ; then
true
else
template=`pwd`/${template}
fi
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 [ -d $i ] ; then
if [ -r $i/configure ] ; then
(cd $i ;
./configure +template=${template} ${verbose})
else
echo Warning: No configure script in `pwd`/$i
fi
else
if [ -n "${verbose}" ] ; then
echo Warning: directory $i is missing.
fi
fi
done
done
fi
exit 0
fi
# some sanity checks on configure.in
if [ -z "${srctrigger}" ] ; then
echo Warning: srctrigger not set in configure.in. `pwd` not configured.
exit 1
fi
for host in ${hosts} ; do
# Default other arg
if [ -z "${targets}" -o -n "${defaulttargets}" ] ; then
targets=${host}
defaulttargets=true
fi
host_alias=${host}
result=`/bin/sh ./config.sub ${host}`
host_cpu=`echo $result | sed 's/^\(.*\)-\(.*\)-\(.*\)$/\1/'`
host_vendor=`echo $result | sed 's/^\(.*\)-\(.*\)-\(.*\)$/\2/'`
host_os=`echo $result | sed 's/^\(.*\)-\(.*\)-\(.*\)$/\3/'`
host=${host_cpu}-${host_vendor}-${host_os}
host_makefile_frag=config/hmake-${host}
#### configure.in per-host parts come in here.
case "${host_os}" in
sysv* | irix*) host_makefile_frag=config/hmake-sysv ;;
esac
## end of per-host part.
for target in ${targets} ; do
target_alias=${target}
result=`/bin/sh ./config.sub ${target}`
target_cpu=`echo $result | sed 's/^\(.*\)-\(.*\)-\(.*\)$/\1/'`
target_vendor=`echo $result | sed 's/^\(.*\)-\(.*\)-\(.*\)$/\2/'`
target_os=`echo $result | sed 's/^\(.*\)-\(.*\)-\(.*\)$/\3/'`
target=${target_cpu}-${target_vendor}-${target_os}
target_makefile_frag=config/tmake-${target}
#### configure.in per-target parts come in here.
## end of per-target part.
# Temporarily, we support only direct subdir builds.
hostsubdir=H-${host_alias}
targetsubdir=T-${target_alias}
if [ -n "${removing}" ] ; then
if [ -n "${subdirs}" ] ; then
if [ -d "${hostsubdir}" ] ; then
rm -rf ${hostsubdir}/${targetsubdir}
if [ -z "`(ls ${hostsubdir}) 2>&1 | grep Target- | grep -v Target-independent`" ] ; then
rm -rf ${hostsubdir}
fi
else
echo Warning: no `pwd`/${hostsubdir} to remove.
fi
else
rm -f ${Makefile} config.status ${links}
fi
else
if [ -n "${subdirs}" ] ; then
# check for existing status before allowing forced subdirs.
if [ -f ${Makefile} ] ; then
echo '***' "${Makefile} already exists in source directory. `pwd` not configured." 1>&2
exit 1
fi
if [ ! -d ${hostsubdir} ] ; then mkdir ${hostsubdir} ; fi
cd ${hostsubdir}
if [ ! -d ${targetsubdir} ] ; then
if [ -z "${commontargets}" ] ; then
mkdir ${targetsubdir}
else
if [ ! -d Target-independent ] ; then
mkdir Target-independent
fi
${symbolic_link} Target-independent ${targetsubdir}
fi # if target independent
fi # if no target dir yet
cd ${targetsubdir}
srcdir=../..
else
# if not subdir builds, then make sure none exist.
if [ -n "`(ls .) 2>&1 | grep Host-`" ] ; then
echo '***' "Configured subdirs exist. `pwd` not configured." 1>&2
exit 1
fi
fi
# Find the source files, if location was not specified.
if [ -z "${srcdir}" ] ; then
srcdirdefaulted=1
srcdir=.
if [ -n "${srctrigger}" -a ! -r ${srctrigger} ] ; then
srcdir=..
fi
fi
if [ -n "${srctrigger}" -a ! -r ${srcdir}/${srctrigger} ] ; then
if [ -z "${srcdirdefaulted}" ] ; then
echo '***' "${progname}: Can't find ${srcname} sources in `pwd`/${srcdir}" 1>&2
else
echo '***' "${progname}: Can't find ${srcname} sources in `pwd`/. or `pwd`/.." 1>&2
fi
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 ${files} is the list of names to link to.
# Make the links.
while [ -n "${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}/${file}\"." 1>&2
exit 1
fi
if [ -n "${verbose}" ] ; then
echo "Linked \"${link}\" to \"${srcdir}/${file}\"."
fi
done
# Create a .gdbinit file which runs the one in srcdir
# and tells GDB to look there for source files.
case ${srcdir} in
.)
;;
*)
echo "dir ." > .gdbinit
echo "dir ${srcdir}" >> .gdbinit
echo "source ${srcdir}/.gdbinit" >> .gdbinit
;;
esac
# Install a makefile, and make it set VPATH
# if necessary so that the sources are found.
# Also change its value of srcdir.
# FIXME-someday: This business of always writing to .tem and mv back
# is so that I don't screw things up while developing. Once this
# template is stable, these should be optimized. xoxorich.
# Define macro CROSS_COMPILE in compilation if this is a cross-compiler.
if [ "${host}" != "${target}" ] ; then
echo "CROSS=-DCROSS_COMPILE" > ${Makefile}
echo "ALL=start.encap" >> ${Makefile}
else
echo "ALL=all.internal" > ${Makefile}
fi
# set target, host, VPATH
echo "host_alias = ${host_alias}" >> ${Makefile}
echo "host_cpu = ${host_cpu}" >> ${Makefile}
echo "host_vendor = ${host_vendor}" >> ${Makefile}
echo "host_os = ${host_os}" >> ${Makefile}
echo "target_alias = ${target_alias}" >> ${Makefile}
echo "target_cpu = ${target_cpu}" >> ${Makefile}
echo "target_vendor = ${target_vendor}" >> ${Makefile}
echo "target_os = ${target_os}" >> ${Makefile}
if [ -n "${subdirs}" ] ; then
echo "subdir = /${hostsubdir}/${targetsubdir}" >> ${Makefile}
else
echo "subdir =" >> ${Makefile}
fi
# echo "workdir = `pwd`" >> ${Makefile}
echo "VPATH = ${srcdir}" >> ${Makefile}
# add "Makefile.in" (or whatever it's called)
cat ${srcdir}/${Makefile_in} >> ${Makefile}
# Conditionalize the makefile for this host.
if [ -f ${srcdir}/${host_makefile_frag} ] ; then
(echo "host_makefile_frag = ${srcdir}/${host_makefile_frag}" ;
sed -e "/^####/ r ${srcdir}/${host_makefile_frag}" ${Makefile}) > Makefile.tem
mv Makefile.tem ${Makefile}
fi
# Conditionalize the makefile for this target.
if [ -f ${srcdir}/${target_makefile_frag} ] ; then
(echo "target_makefile_frag = ${srcdir}/${target_makefile_frag}" ;
sed -e "/^####/ r ${srcdir}/${target_makefile_frag}" ${Makefile}) > Makefile.tem
mv Makefile.tem ${Makefile}
fi
# set srcdir
sed "s@^srcdir = \.@srcdir = ${srcdir}@" ${Makefile} > Makefile.tem
mv Makefile.tem ${Makefile}
# set destdir
if [ -n "${destdir}" ] ; then
sed "s:^destdir =.*$:destdir = ${destdir}:" ${Makefile} > Makefile.tem
mv Makefile.tem ${Makefile}
fi
# reset SUBDIRS
sed "s:^SUBDIRS =.*$:SUBDIRS = ${configdirs}:" ${Makefile} > Makefile.tem
mv Makefile.tem ${Makefile}
# reset NONSUBDIRS
sed "s:^NONSUBDIRS =.*$:NONSUBDIRS = ${noconfigdirs}:" ${Makefile} > Makefile.tem
mv Makefile.tem ${Makefile}
using=
if [ -f ${srcdir}/${host_makefile_frag} ] ; then
using=" using \"${host_makefile_frag}\""
fi
# remove any form feeds.
sed -e "s/ //" ${Makefile} > Makefile.tem
mv Makefile.tem ${Makefile}
if [ -f ${srcdir}/${target_makefile_frag} ] ; then
if [ -z "${using}" ] ; then
andusing=" using \"${target_makefile_frag}\""
else
andusing="${using} and \"${target_makefile_frag}\""
fi
else
andusing=${using}
fi
if [ -n "${verbose}" -o -z "${recurring}" ] ; then
echo "Created \"${Makefile}\"" in `pwd`${andusing}.
fi
#### configure.in post-target parts come in here.
## end of post-target part.
# describe the chosen configuration in config.status.
# Make that file a shellscript which will reestablish
# the same configuration. Used in Makefiles to rebuild
# Makefiles.
echo "#!/bin/sh
# ${srcname} was configured as follows:
${srcdir}/configure" ${arguments} `if [ -z "${norecursion}" ] ; then echo +norecursion ; else true ; fi` > config.status
chmod a+x config.status
originaldir=`pwd`
cd ${srcdir}
fi
# If there are subdirectories, then recurse.
if [ -z "${norecursion}" -a -n "${configdirs}" ] ; then
for configdir in ${configdirs} ; do
if [ -n "${verbose}" ] ; then
echo Configuring ${configdir}...
fi
if [ -d ${configdir} ] ; then
(cd ${configdir} ;
./configure +recurring ${host_alias} +target=${target_alias} \
${verbose} ${subdirs} ${removing} +destdir=${destdir}) \
| sed 's/^/ /'
else
if [ -n "${verbose}" ] ; then
echo Warning: directory \"${configdir}\" is missing.
fi
fi
done
fi
done # for each target
# Now build a Makefile for this host.
if [ -n "${subdirs}" -a ! -n "${removing}" ] ; then
cd ${hostsubdir}
cat > GNUmakefile << E!O!F
# Makefile generated by configure for host ${host_alias}.
ALL := $(shell ls -d Target-*)
%:
$(foreach subdir,$(ALL),$(MAKE) -C $(subdir) \$@ &&) true
all:
E!O!F
cd ..
fi
done # for each host
exit 0
#
# Local Variables:
# fill-column: 131
# End:
#
# end of configure