#!/bin/sh
#
# makeshlib - installs a shareable libresolv_pic.a into SunOS 4.x libc.so
#
# by Chris Davis <ckd@kei.com> 
# based on code  by Piete Brooks <pb@cl.cam.ac.uk>
#               and Dave Morrison <drmorris@mit.edu>
# with additions by Greg Woods <woods@planix.com>
#
# $Id: makeshlib,v 8.5 1995/12/24 06:44:27 vixie Exp $
#
# set these by hand, or as an environment var, or let script figure them out
#bindtree=/usr/obj/local/bind
#SHLIBDIR=/usr/lib/shlib.etc
thisdir=`pwd`

# patch should be in this path, or root's path
PATH=/usr/bin:/usr/etc:/sbin:/usr/ucb:${PATH} ; export PATH

# NOTE: not all shells have the 'type' builtin, else we could do this
#
#if expr "`type printf`" : '.* is .*/printf$' >/dev/null 2>&1 ; then
#	HAVEPRINTF=true
#	echo=printf
#	nl='\n'
#	n=''
#	c='\c'
#else

echo=echo
(echo "hi there\c" ; echo " ") >./.echotmp
# metaconfig checks to make sure grep returns a status....
if grep c ./.echotmp >/dev/null 2>&1 ; then
	nl=''
	n='-n'
	c=''
else
	nl='\n'
	n=''
	c='\c'
fi
rm -f ./.echotmp

# these should not need changing
junkobjs=gethostent.o

# try to find the BIND tree if it's not set
case "x${bindtree}" in
'x')
	echo 'Trying to find BIND tree...'
	if [ -d "${thisdir}/shres/sunos" ]; then
		bindtree=$thisdir
	elif [ -d "${thisdir}/../../shres" ]; then
		bindtree="$thisdir/../../"
	fi
	;;
esac

case "x${bindtree}" in
'x')
	echo "I can't find the bind tree, and you didn't set \$bindtree."
	echo "Please do so, and try again."
	exit 1
esac

# make sure patch is available
if patch < /dev/null > /dev/null 2>&1
then
	echo "Good, you have patch."
else
	echo "Sorry, you need Larry Wall's 'patch' program for this."
	echo "Get it by anonymous ftp from prep.ai.mit.edu in /pub/gnu."
	exit 1
fi

# cd into the Sun shared library build directory
cd ${SHLIBDIR-/usr/lib/shlib.etc} || exit 1

# Extract and setup the ucb libc
echo 'Setting up the UCB universe libc.so build directory'
if [ ! -d tmp.ucb ]; then
	rm -f tmp.ucb
	mkdir tmp.ucb
fi
cd tmp.ucb || exit 1
rm -rf *
ar x ../libc_pic.a || exit 1
test -f __.SYMDEF && rm __.SYMDEF
for f in *.; do
	mv $f ${f}o
done
rm -f $junkobjs

# Sun's inet_addr.o and possible getnetent.o are clobbered in this
ar x $bindtree/shres/sunos/libresolv_pic.a
test -f __.SYMDEF && rm __.SYMDEF

cd ..

# Extract and setup the sysv libc
echo 'Setting up the SysV universe libc.so build directory'
if [ ! -d tmp.s5 ]; then
	rm -f tmp.s5
	mkdir tmp.s5
fi
cd tmp.s5 || exit 1
rm -rf *
ar x ../libcs5_pic.a || exit 1
test -f __.SYMDEF && rm __.SYMDEF
for f in *.; do
	mv $f ${f}o
done
rm -f $junkobjs

# Sun's inet_addr.o and possible getnetent.o are clobbered in this
ar x $bindtree/shres/sunos/libresolv_pic.a
test -f __.SYMDEF && rm __.SYMDEF

# Back to the make directory
cd ..

# Fix the broken SunOS awk script
grep FCS awkfile >/dev/null 2>&1 ||
	patch < $bindtree/shres/sunos/sun-awkfile.patches &&
	echo 'patched awkfile'

# Add the resolver objects to the lorder sparc listing (uncool hack)
grep gethnamaddr.o lorder-sparc >/dev/null 2>&1 ||
        patch < $bindtree/shres/sunos/sun-lorder-sparc.patches &&
        echo 'patched lorder-sparc'

# Fix the broken SunOS Makefile
# only first half needed for 4.1.3 with patch 100890-08+ and/or 100891-10+
# Makefile still assumes version numbers for the sys5 & ucb libc's won't clash
grep '\./objsort' Makefile >/dev/null 2>&1 ||
        patch < $bindtree/shres/sunos/sun-Makefile.patch1 &&
	echo 'patched shlib Makefile with first patch'
grep ' -ldl' Makefile >/dev/null 2>&1 ||
        patch < $bindtree/shres/sunos/sun-Makefile.patch2 &&
	echo 'patched shlib Makefile with second patch'

### WARNING:  the SunOS shlib.etc Makefile doesn't expect any clash between
### SysV and UCB library names, assuming the version numbers will be different.

# Make the sys5 shared libc
rm -rf tmp
ln -s tmp.s5 tmp
time make libcs5.so

# Make the ucb shared libc
rm -rf tmp
ln -s tmp.ucb tmp
time make libc.so

echo 'Now we will test these libraries and copy them as appropriate:'

ls -l libc.so*

LD_LIBRARY_PATH=`pwd` date

$echo $n "Does the output of date shown above look normal? [n] $c"

read answer junk

case "$answer" in
[yY]*)
	echo "OK, we'll copy them into place!"
	;;
*)
	echo "Something went wrong.  Try fixing it and re-running this script."
	exit 1
	;;
esac

VUCB=`/bin/ls /usr/lib/libc.so.* | awk -f awkfile`
VS5=`/bin/ls /usr/5lib/libc.so.* | awk -f awkfile`

VUCB_OLD=`echo $VUCB | awk -F. '{printf("%d.%d.%d", $1, $2, $3 - 1) }'`
VS5_OLD=`echo $VS5 | awk -F. '{printf("%d.%d.%d", $1, $2, $3 - 1) }'`

# so we get "1.9" instead of "1.9.0"
VUCB_OLD=`basename $VUCB_OLD .0`
VS5_OLD=`basename $VS5_OLD .0`

set -x
cp libc.so.$VUCB /usr/lib
cp libc.so.$VS5 /usr/5lib
cp /usr/lib/libc.sa.$VUCB_OLD /usr/lib/libc.sa.$VUCB
cp /usr/5lib/libc.sa.$VS5_OLD /usr/5lib/libc.sa.$VS5
set +x

echo 'OK, they are in place now...  running ranlib and ldconfig'

ranlib -t /usr/lib/libc.sa.*
ranlib -t /usr/5lib/libc.sa.*

/usr/etc/ldconfig

echo 'If you are really paranoid, run "trace /usr/bin/date" and check which'
echo 'shared library is used, then run "trace /usr/5bin/cat < /dev/null" too.'
echo 'Finally you should test a number of SunOS tools that do name resolution,'
echo 'such as telnet, rlogin, ftp, etc.'
echo 'If something breaks, remove the new shared libraries copied above and'
echo 'run "ldconfig".'

exit 0
