old-cross-binutils/gas/configure.was
K. Richard Pixley fecd2382e7 Initial revision
1991-04-04 18:19:53 +00:00

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#!/bin/sh
# Configuration script for GNU GAS
# Copyright (C) 1988, 1990, 1991 Free Software Foundation, Inc.
#This file is not yet part of GNU GAS.
#GNU GAS is free software; you can redistribute it and/or modify
#it under the terms of the GNU General Public License as published by
#the Free Software Foundation; either version 1, or (at your option)
#any later version.
#GNU GAS is distributed in the hope that it will be useful,
#but WITHOUT ANY WARRANTY; without even the implied warranty of
#MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
#GNU General Public License for more details.
#You should have received a copy of the GNU General Public License
#along with GNU GAS; see the file COPYING. If not, write to
#the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
# $Id$
#
# Shell script to create proper links to machine-dependent files in
# preparation for compiling gas.
#
# Usage: configure [-srcdir=DIR] [-host=HOST] TARGET
#
# If configure succeeds, it leaves its status in config.status.
# If configure fails after disturbing the status quo,
# config.status is removed.
#
progname=$0
remove=rm
hard_link=ln
symbolic_link='ln -s'
host=
target=
#for Test
#remove="echo rm"
#hard_link="echo ln"
#symbolic_link="echo ln -s"
for arg in $*;
do
case $arg in
-srcdir=* | +srcdir=* | +srcdi=* | +srcd=* | +src=* | +sr=* | +s=*)
srcdir=`echo $arg | sed 's/[+-]s[a-z]*=//'`
;;
-host=* | +host=* | +hos=* | +ho=* | +h=*)
host=`echo $arg | sed 's/[+-]h[a-z]*=//'`
;;
*)
# Allow configure HOST TARGET
if [ x$host = x ]
then
host=$target
fi
target=$arg
;;
esac
done
# Complain if an arg is missing
if [ x$target = x ]
then
echo "Usage: $progname [+srcdir=DIR] [+host=HOST] TARGET"
echo -n "Where HOST and TARGET are something like "
echo "\`vax', \`sun3', \`encore', etc."
if [ -r config.status ]
then
cat config.status
fi
exit 1
fi
# Default other arg
if [ x$host = x ]
then
host=$target
fi
# Find the source files, if location was not specified.
if [ x$srcdir = x ]
then
srcdirdefaulted=1
srcdir=.
if [ ! -r as.c ]
then
srcdir=..
fi
fi
if [ ! -r ${srcdir}/as.c ]
then
if [ x$srcdirdefaulted = x ]
then
echo "$progname: Can't find assembler sources in \`${srcdir}'." 1>&2
else
echo "$progname: Can't find assembler sources in \`.' or \`..'." 1>&2
fi
exit 1
fi
# Decode the host machine, then the target machine.
# For the host machine, we save the ho variable as host_ho;
# then we decode the target machine and forget everything else
# that came from the host machine.
for machine in $host $target; do
tc=
obj=
host_header=
obj_header=
obj_source=
te_header=
tc_header=
tc_source=
make_var_file=
case $machine in
generic)
;;
i860)
tc=i860
obj=aout
;;
pmax | dec3100)
ho=pmax
;;
sun386)
ho=sun386
;;
sun4 | sun4-aout | sun-4 | sun4-os4 | sun-4-os4)
ho=sun4
tc=sparc
obj=aout
;;
sun4-bout)
tc=sparc
obj=bout
;;
sun4-bfd-sunos)
tc=sparc
obj=bfd-sunos
;;
i960 | i960-coff)
tc=i960
obj=coff
te=ic960
;;
i960-bout)
tc=i960
obj=bout
;;
i960-aout)
tc=i960
obj=aout
;;
sun3 | sun3-aout)
ho=sun3
tc=m68k
obj=aout
te=sun3
;;
a29k | a29k-aout)
tc=a29k
obj=aout
;;
a29k-coff)
tc=a29k
obj=coff
;;
i386)
tc=i386
obj=aout
;;
ns32k)
tc=ns32k
obj=aout
;;
vax)
tc=vax
obj=aout
;;
rs6000)
;;
esac
if [ x$pass1done = x ]
then
if [ x$ho = x ]; then ho=$host; fi
if [ x$ho_header = x ]; then ho_ho_header=ho-$ho.h
else ho_ho_header=$ho_header
fi
if [ x$make_var_file = x ]
then make_var_file=make-$ho; fi
ho_make_var_file=$make_var_file
pass1done=yes
else
host_make_var_file=$ho_make_var_file
ho_header=$ho_ho_header
fi
done
# Default the machine-specific variables that were not explicitly set.
if [ x$te = x ]
then te=generic; fi
if [ x$te_header = x ]
then te_header=te-$te.h; fi
if [ x$tc = x ]
then tc=generic; fi
if [ x$tc_header = x ]
then tc_header=tc-$tc.h; fi
if [ x$tc_source = x ]
then tc_source=tc-$tc.c; fi
if [ x$obj = x ]
then obj=generic; fi
if [ x$obj_header = x ]
then obj_header=obj-$obj.h; fi
if [ x$obj_source = x ]
then obj_source=obj-$obj.c; fi
if [ x$atof_source = x ]
then atof_source=atof-ieee.c; fi
# Set up the list of links to be made.
# $links is the list of link names, and $files is the list of names to link to.
files="$ho_header $te_header $tc_header $tc_source $obj_header $obj_source $atof_source"
links="host.h targ-env.h targ-cpu.h targ-cpu.c obj-format.h obj-format.c atof-targ.c"
# Make the links.
while [ -n "$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 ${srcdir}/config/$file ]
then
echo "$progname: cannot create a link \`$link'," 1>&2
echo "since the file \`config/$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 ${srcdir}/config/$file $link 2>/dev/null || $hard_link ${srcdir}/config/$file $link
if [ ! -r $link ]
then
echo "$progname: unable to link \`$link' to \`${srcdir}/config/$file'." 1>&2
exit 1
fi
echo "Linked \`$link' to \`${srcdir}/config/$file'."
done
# Build a Makefile
# Install a makefile, and make it set srcdir
# if necessary so that the sources are found.
# Also change its value of srcdir.
# Also create a .gdbinit file which runs the one in srcdir
# and tells GDB to look there for source files.
case $srcdir in
.)
;;
*)
echo "VPATH = ${srcdir}" > x
cat x ${srcdir}/Makefile.in | sed "s@^srcdir = \.@srcdir = ${srcdir}@" > Makefile.in
rm x
echo "dir ." > .gdbinit
echo "dir ${srcdir}" >> .gdbinit
echo "source ${srcdir}/.gdbinit" >> .gdbinit
;;
esac
# Conditionalize the makefile for this machine.
if [ -f ${srcdir}/config/${host_make_var_file} ]
then
sed -e "/####/ r ${srcdir}/config/${host_make_var_file}" Makefile.in > Makefile.tem
else
cp Makefile.in Makefile.tem
fi
# Remove all formfeeds, since some Makes get confused by them.
sed "s/ //" Makefile.tem > Makefile.tem1
# Delete the intermediate files
rm Makefile.tem
if [ x$srcdir != x. ]
then
rm Makefile.in
fi
# actual Makefile starts here.
echo "host = $host" > Makefile
echo "target = $target" >> Makefile
# Define macro CROSS_ASSEMBLE in compilation if this is a cross-assembler.
if [ x$host = x$target ]
then
sed "/^ALL=gas/s//ALL=bootstrap/" < Makefile.tem1 >> Makefile
else
echo "CROSS=-DCROSS_ASSEMBLE" >> Makefile
cat Makefile.tem1 >> Makefile
fi
rm Makefile.tem1
echo "Edited the makefile"
if [ x$host = x$target ]
then
echo "Links are now set up for use with a $target." \
| tee config.status
else
echo "Links are now set up for host $host and target $target." \
| tee config.status
fi
exit 0