#! /bin/sh
#
# If these # comments don't work, trim them. Don't worry about any other
# shell scripts, Configure will trim # comments from them for you.
#
# (If you are trying to port this package to a machine without sh,
# I would suggest you have a look at the prototypical config_h.SH file
# and edit it to reflect your system. Some packages may include samples
# of config.h for certain machines, so you might look for one of those.)
#
# Yes, you may rip this off to use in other distribution packages. This
# script belongs to the public domain and cannot be copyrighted.
#
# (Note: this Configure script was generated automatically. Rather than
# working with this copy of Configure, you may wish to get metaconfig.
# The dist-3.0 package (which contains metaconfig) was posted in
# comp.sources.misc so you may fetch it yourself from your nearest
# archive site. Check with Archie if you don't know where that can be.)
#

# $Id: Configure,v 2.0.1.15 1996/01/31 14:45:45 pfeifer Exp $
#
# Generated on Thu Jan 25 09:47:47 MET 1996 [metaconfig 3.0 PL58]

cat >/tmp/c1$$ <<EOF
ARGGGHHHH!!!!!

SCO csh still thinks true is false.  Write to SCO today and tell them that next
year Configure ought to "rm /bin/csh" unless they fix their blasted shell. :-)

(Actually, Configure ought to just patch csh in place.  Hmm.  Hmmmmm.  All
we'd have to do is go in and swap the && and || tokens, wherever they are.)

[End of diatribe. We now return you to your regularly scheduled programming...]
EOF
cat >/tmp/c2$$ <<EOF

OOPS!  You naughty creature!  You didn't run Configure with sh!
I will attempt to remedy the situation by running sh for you...
EOF

true || cat /tmp/c1$$ /tmp/c2$$
true || exec sh $0 $argv:q

(exit $?0) || cat /tmp/c2$$
(exit $?0) || exec sh $0 $argv:q
rm -f /tmp/c1$$ /tmp/c2$$

: compute my invocation name
me=$0
case "$0" in
*/*)
	me=`echo $0 | sed -e 's!.*/\(.*\)!\1!' 2>/dev/null`
	test "$me" || me=$0
	;;
esac

: Proper PATH separator
p_=:
: On OS/2 this directory should exist if this is not floppy only system :-]
if test -d c:/.; then
	p_=\;
	PATH=`cmd /c "echo %PATH%" | tr '\\\\' / `
	OS2_SHELL=`cmd /c "echo %OS2_SHELL%" | tr '\\\\' / | tr '[A-Z]' '[a-z]'`
fi

: Proper PATH setting
paths='/bin /usr/bin /usr/local/bin /usr/ucb /usr/local /usr/lbin'
paths="$paths /opt/bin /opt/local/bin /opt/local /opt/lbin"
paths="$paths /usr/5bin /etc /usr/gnu/bin /usr/new /usr/new/bin /usr/nbin"
paths="$paths /opt/gnu/bin /opt/new /opt/new/bin /opt/nbin"
paths="$paths /sys5.3/bin /sys5.3/usr/bin /bsd4.3/bin /bsd4.3/usr/ucb"
paths="$paths /bsd4.3/usr/bin /usr/bsd /bsd43/bin /usr/ccs/bin"
paths="$paths /etc /usr/lib /usr/ucblib /lib /usr/ccs/lib"
paths="$paths /sbin /usr/sbin /usr/libexec"

for p in $paths
do
	case "$p_$PATH$p_" in
	*$p_$p$p_*) ;;
	*) test -d $p && PATH=$PATH$p_$p ;;
	esac
done

PATH=.$p_$PATH
export PATH

: Sanity checks
if test ! -t 0; then
	echo "Say 'sh $me', not 'sh <$me'"
	exit 1
fi

: On HP-UX, large Configure scripts may exercise a bug in /bin/sh
if test -f /hp-ux -a -f /bin/ksh; then
	if (PATH=.; alias -x) >/dev/null 2>&1; then
		: already under /bin/ksh
	else
		cat <<'EOM'
(Feeding myself to ksh to avoid nasty sh bug in "here document" expansion.)
EOM
		unset ENV
		exec /bin/ksh $0 "$@"
	fi
else
	: Warn them if they use ksh on other systems
	(PATH=.; alias -x) >/dev/null 2>&1 && \
		cat <<EOM
(I see you are using the Korn shell.  Some ksh's blow up on $me,
especially on exotic machines.  If yours does, try the Bourne shell instead.)
EOM
fi

: Configure runs within the UU subdirectory
test -d UU || mkdir UU
cd UU && rm -f ./*

d_bsd=''
d_eunice=''
d_xenix=''
eunicefix=''
Mcc=''
awk=''
bash=''
bison=''
byacc=''
cat=''
chgrp=''
chmod=''
chown=''
comm=''
compress=''
cp=''
cpio=''
cpp=''
csh=''
date=''
echo=''
egrep=''
emacs=''
expr=''
find=''
flex=''
gcc=''
grep=''
gzcat=''
inews=''
ksh=''
less=''
line=''
lint=''
ln=''
lp=''
lpr=''
ls=''
mail=''
mailx=''
make=''
mkdir=''
more=''
mv=''
nroff=''
perl=''
pg=''
pmake=''
pr=''
rm=''
rmail=''
sed=''
sendmail=''
sh=''
shar=''
sleep=''
smail=''
sort=''
submit=''
tail=''
tar=''
tbl=''
test=''
touch=''
tr=''
troff=''
uname=''
uniq=''
uuname=''
vi=''
zcat=''
hint=''
myuname=''
osname=''
osvers=''
Author=''
Date=''
Header=''
Id=''
Locker=''
Log=''
RCSfile=''
Revision=''
Source=''
State=''
afs=''
baserev=''
bin=''
binexp=''
installbin=''
byteorder=''
cc=''
gccversion=''
ccflags=''
cppflags=''
ldflags=''
lkflags=''
optimize=''
cf_by=''
cf_time=''
contains=''
cpplast=''
cppminus=''
cpprun=''
cppstdin=''
d_access=''
d_alloca=''
i_alloca=''
d_alphasort=''
d_bcopy=''
d_bzero=''
d_cache_syn=''
d_compiler_version=''
d_uncompressor=''
d_unzipper=''
d_const=''
d_extern_sys_errlist=''
d_gethent=''
d_getpwuid=''
d_getwd=''
d_huge_headlines=''
d_local_search=''
testdir=''
waissearch_args=''
d_memcpy=''
d_memmove=''
ctypedir=''
ctypeinc=''
ctypeobj=''
d_ctypevar=''
d_myctype=''
lchars=''
uchars=''
d_myregexp=''
regexpdir=''
regexplib=''
d_open3=''
d_portable=''
d_proximity=''
d_remove=''
d_safebcpy=''
d_safemcpy=''
d_scandir=''
d_oldsock=''
d_socket=''
d_sockpair=''
sockethdr=''
socketlib=''
d_index=''
d_strchr=''
d_strcspn=''
d_strdup=''
d_strerrm=''
d_strerror=''
d_sysernlst=''
d_syserrlst=''
d_syslog=''
syslogc=''
syslogo=''
d_time=''
timetype=''
d_udping=''
d_urldocid=''
d_usendir=''
i_ndir=''
ndirc=''
ndirlib=''
ndiro=''
d_version_string=''
d_voidsig=''
signal_t=''
d_volatile=''
d_charvspr=''
d_vprintf=''
h_fcntl=''
h_sysfile=''
i_arpainet=''
d_dirnamlen=''
direntrytype=''
i_dirent=''
i_fcntl=''
i_memory=''
i_niin=''
i_sysin=''
d_pwage=''
d_pwchange=''
d_pwclass=''
d_pwcomment=''
d_pwexpire=''
d_pwquota=''
i_pwd=''
i_stdlib=''
i_string=''
strings=''
i_sysdir=''
i_sysfile=''
i_sysndir=''
i_sysparam=''
i_sysresrc=''
i_sysselct=''
i_syssock=''
i_systypes=''
i_sgtty=''
i_termio=''
i_termios=''
i_systime=''
i_systimek=''
i_time=''
timeincl=''
i_unistd=''
i_stdarg=''
i_varargs=''
i_varhdr=''
install=''
installdir=''
intsize=''
lex=''
lexflags=''
libc=''
glibpth=''
libpth=''
plibpth=''
xlibpth=''
libs=''
lns=''
longsize=''
installmansrc=''
manext=''
mansrc=''
mansrcexp=''
mkdep=''
huge=''
large=''
medium=''
models=''
small=''
split=''
c=''
n=''
orderlib=''
ranlib=''
package=''
spackage=''
patchlevel=''
prefix=''
prefixexp=''
installprivlib=''
privlib=''
privlibexp=''
prototype=''
installscript=''
scriptdir=''
scriptdirexp=''
so=''
sharpbang=''
shsharp=''
spitshell=''
startsh=''
sysman=''
uidtype=''
nm_opt=''
runnm=''
usenm=''
incpath=''
mips=''
mips_type=''
usrinc=''
defvoidused=''
voidflags=''
yacc=''
yaccflags=''
CONFIG=''

define='define'
undef='undef'
smallmach='pdp11 i8086 z8000 i80286 iAPX286'
rmlist=''

: We must find out about Eunice early
eunicefix=':'
if test -f /etc/unixtovms; then
	eunicefix=/etc/unixtovms
fi
if test -f /etc/unixtovms.exe; then
	eunicefix=/etc/unixtovms.exe
fi

: list of known cpp symbols, sorted alphabetically
al="AMIX BIT_MSF BSD BSD4_3 BSD_NET2 CMU CRAY DGUX DOLPHIN DPX2"
al="$al GO32 GOULD_PN HP700 I386 I80960 I960 Lynx M68000 M68K MACH"
al="$al MIPSEB MIPSEL MSDOS MTXINU MULTIMAX MVS"
al="$al M_COFF M_I186 M_I286 M_I386 M_I8086 M_I86 M_I86SM"
al="$al M_SYS3 M_SYS5 M_SYSIII M_SYSV M_UNIX M_XENIX"
al="$al NeXT OCS88 OSF1 PARISC PC532 PORTAR POSIX"
al="$al PWB R3000 RES RISC6000 RT Sun386i SVR3 SVR4"
al="$al SYSTYPE_BSD SYSTYPE_SVR4 SYSTYPE_SYSV Tek4132 Tek4300"
al="$al UMAXV USGr4 USGr4_2 UTEK UTS UTek UnicomPBB UnicomPBD Utek"
al="$al VMS Xenix286"
al="$al _AIX _AIX32 _AIX370 _AM29000 _COFF _CRAY _CX_UX _EPI"
al="$al _IBMESA _IBMR2 _M88K _M88KBCS_TARGET"
al="$al _MIPSEB _MIPSEL _M_COFF _M_I86 _M_I86SM _M_SYS3"
al="$al _M_SYS5 _M_SYSIII _M_SYSV _M_UNIX _M_XENIX _NLS _PGC_ _R3000"
al="$al _SYSTYPE_BSD _SYSTYPE_BSD43 _SYSTYPE_SVR4"
al="$al _SYSTYPE_SYSV _SYSV3 _U370 _UNICOS"
al="$al __386BSD__ __BIG_ENDIAN __BIG_ENDIAN__ __BSD_4_4__"
al="$al __DGUX__ __DPX2__ __H3050R __H3050RX"
al="$al __LITTLE_ENDIAN __LITTLE_ENDIAN__ __MACH__"
al="$al __MIPSEB __MIPSEB__ __MIPSEL __MIPSEL__"
al="$al __Next__ __OSF1__ __PARAGON__ __PGC__ __PWB __STDC__"
al="$al __SVR4_2__ __UMAXV__"
al="$al ____386BSD____ __alpha __alpha__ __amiga"
al="$al __bsd4_2 __bsd4_2__ __bsdi__ __convex__"
al="$al __host_mips__"
al="$al __hp9000s200 __hp9000s300 __hp9000s400 __hp9000s500"
al="$al __hp9000s500 __hp9000s700 __hp9000s800"
al="$al __hppa __hpux __hp_osf __i286 __i286__ __i386 __i386__"
al="$al __i486 __i486__ __i860 __i860__ __ibmesa __ksr1__ __linux__"
al="$al __m68k __m68k__ __m88100__ __m88k __m88k__"
al="$al __mc68000 __mc68000__ __mc68020 __mc68020__"
al="$al __mc68030 __mc68030__ __mc68040 __mc68040__"
al="$al __mc88100 __mc88100__ __mips __mips__"
al="$al __motorola__ __osf__ __pa_risc __sparc__ __stdc__"
al="$al __sun __sun__ __svr3__ __svr4__ __ultrix __ultrix__"
al="$al __unix __unix__ __uxpm__ __uxps__ __vax __vax__"
al="$al _host_mips _mips _unix"
al="$al a29k aegis aix aixpc alliant alpha am29000 amiga ansi ardent"
al="$al apollo ardent att386 att3b"
al="$al bsd bsd43 bsd4_2 bsd4_3 bsd4_4 bsdi bull"
al="$al cadmus clipper concurrent convex cray ctix"
al="$al dmert encore gcos gcx gimpel gould"
al="$al hbullx20 hcx host_mips hp200 hp300 hp700 hp800"
al="$al hp9000 hp9000s300 hp9000s400 hp9000s500"
al="$al hp9000s700 hp9000s800 hp9k8 hppa hpux"
al="$al i186 i286 i386 i486 i8086"
al="$al i80960 i860 iAPX286 ibm ibm032 ibmrt interdata is68k"
al="$al ksr1 linux luna luna88k m68k m88100 m88k"
al="$al mc300 mc500 mc68000 mc68010 mc68020 mc68030"
al="$al mc68040 mc68060 mc68k mc68k32 mc700"
al="$al mc88000 mc88100 merlin mert mips mvs n16"
al="$al ncl_el ncl_mr"
al="$al news1500 news1700 news1800 news1900 news3700"
al="$al news700 news800 news900 ns16000 ns32000"
al="$al ns32016 ns32332 ns32k nsc32000 os osf"
al="$al parisc pc532 pdp11 plexus posix pyr"
al="$al riscix riscos scs sequent sgi sinix sony sony_news"
al="$al sonyrisc sparc sparclite spectrum stardent stratos"
al="$al sun sun3 sun386 svr4 sysV68 sysV88"
al="$al titan tower tower32 tower32_200 tower32_600 tower32_700"
al="$al tower32_800 tower32_850 tss u370 u3b u3b2 u3b20 u3b200"
al="$al u3b20d u3b5 ultrix unix unixpc unos vax venix vms"
al="$al xenix z8000"

gccversion=''
: no include file wanted by default
inclwanted=''

: change the next line if compiling for Xenix/286 on Xenix/386
xlibpth='/usr/lib/386 /lib/386'

: general looking path for locating libraries
glibpth="/lib/pa1.1 /usr/lib/large /lib /usr/lib $xlibpth"
glibpth="$glibpth /lib/large /usr/lib/small /lib/small"
glibpth="$glibpth /usr/ccs/lib /usr/ucblib /usr/local/lib /usr/shlib"

: Private path used by Configure to find libraries.  Its value
: is prepended to libpth. This variable takes care of special
: machines, like the mips.  Usually, it should be empty.
plibpth=''

: default library list
libswanted=''
: full support for void wanted by default
defvoidused=15

lex='flex';
lexflags='-8';
yacc='bison -y';

: script used to extract .SH files with variable substitutions
cat >extract <<'EOS'
CONFIG=true
echo "Doing variable substitutions on .SH files..."
if test -f MANIFEST; then
	set x `awk '{print $1}' <MANIFEST | grep '\.SH'`
else
	echo "(Looking for .SH files under the current directory.)"
	set x `find . -name "*.SH" -print`
fi
shift
case $# in
0) set x *.SH; shift;;
esac
if test ! -f $1; then
	shift
fi
for file in $*; do
	case "$file" in
	*/*)
		dir=`expr X$file : 'X\(.*\)/'`
		file=`expr X$file : 'X.*/\(.*\)'`
		(cd $dir && . ./$file)
		;;
	*)
		. ./$file
		;;
	esac
done
if test -f config_h.SH; then
	if test ! -f config.h; then
	: oops, they left it out of MANIFEST, probably, so do it anyway.
	. ./config_h.SH
	fi
fi
EOS

: produce awk script to parse command line options
cat >options.awk <<'EOF'
BEGIN {
	optstr = "dD:eEf:hKOrsSU:V";	# getopt-style specification

	len = length(optstr);
	for (i = 1; i <= len; i++) {
		c = substr(optstr, i, 1);
		if (i < len) a = substr(optstr, i + 1, 1); else a = "";
		if (a == ":") {
			arg[c] = 1;
			i++;
		}
		opt[c] = 1;
	}
}
{
	expect = 0;
	str = $0;
	if (substr(str, 1, 1) != "-") {
		printf("'%s'\n", str);
		next;
	}
	len = length($0);
	for (i = 2; i <= len; i++) {
		c = substr(str, i, 1);
		if (!opt[c]) {
			printf("-%s\n", substr(str, i));
			next;
		}
		printf("-%s\n", c);
		if (arg[c]) {
			if (i < len)
				printf("'%s'\n", substr(str, i + 1));
			else
				expect = 1;
			next;
		}
	}
}
END {
	if (expect)
		print "?";
}
EOF

: process the command line options
set X `for arg in "$@"; do echo "X$arg"; done |
	sed -e s/X// | awk -f options.awk`
eval "set $*"
shift
rm -f options.awk

: set up default values
fastread=''
reuseval=false
config_sh=''
alldone=''
error=''
silent=''
extractsh=''
override=''
knowitall=''
rm -f optdef.sh

: option parsing
while test $# -gt 0; do
	case "$1" in
	-d) shift; fastread=yes;;
	-e) shift; alldone=cont;;
	-f)
		shift
		cd ..
		if test -r "$1"; then
			config_sh="$1"
		else
			echo "$me: cannot read config file $1." >&2
			error=true
		fi
		cd UU
		shift;;
	-h) shift; error=true;;
	-r) shift; reuseval=true;;
	-s) shift; silent=true;;
	-E) shift; alldone=exit;;
	-K) shift; knowitall=true;;
	-O) shift; override=true;;
	-S) shift; extractsh=true;;
	-D)
		shift
		case "$1" in
		*=)
			echo "$me: use '-U symbol=', not '-D symbol='." >&2
			echo "$me: ignoring -D $1" >&2
			;;
		*=*) echo "$1" | \
				sed -e "s/'/'\"'\"'/g" -e "s/=\(.*\)/='\1'/" >> optdef.sh;;
		*) echo "$1='define'" >> optdef.sh;;
		esac
		shift
		;;
	-U)
		shift
		case "$1" in
		*=) echo "$1" >> optdef.sh;;
		*=*)
			echo "$me: use '-D symbol=val', not '-U symbol=val'." >&2
			echo "$me: ignoring -U $1" >&2
			;;
		*) echo "$1='undef'" >> optdef.sh;;
		esac
		shift
		;;
	-V) echo "$me generated by metaconfig 3.0 PL58." >&2
		exit 0;;
	--) break;;
	-*) echo "$me: unknown option $1" >&2; shift; error=true;;
	*) break;;
	esac
done

case "$error" in
true)
	cat >&2 <<EOM
Usage: $me [-dehrEKOSV] [-f config.sh] [-D symbol] [-D symbol=value]
                 [-U symbol] [-U symbol=]
  -d : use defaults for all answers.
  -e : go on without questioning past the production of config.sh.
  -f : specify an alternate default configuration file.
  -h : print this help message and exit (with an error status).
  -r : reuse C symbols value if possible (skips costly nm extraction).
  -s : silent mode, only echoes questions and essential information.
  -D : define symbol to have some value:
         -D symbol         symbol gets the value 'define'
         -D symbol=value   symbol gets the value 'value'
  -E : stop at the end of questions, after having produced config.sh.
  -K : do not use unless you know what you are doing.
  -O : let -D and -U override definitions from loaded configuration file.
  -S : perform variable substitutions on all .SH files (can mix with -f)
  -U : undefine symbol:
         -U symbol    symbol gets the value 'undef'
         -U symbol=   symbol gets completely empty
  -V : print version number and exit (with a zero status).
EOM
	exit 1
	;;
esac

exec 4>&1
case "$silent" in
true) exec 1>/dev/null;;
esac

: run the defines and the undefines, if any, but leave the file out there...
touch optdef.sh
. ./optdef.sh

case "$extractsh" in
true)
	case "$config_sh" in
	'') config_sh='config.sh'; config='./config.sh';;
	/*) config="$config_sh";;
	*) config="./$config_sh";;
	esac
	echo " "
	echo "Fetching answers from $config_sh..."
	cd ..
	. $config
	test "$override" && . ./optdef.sh
	echo " "
	. ./UU/extract
	rm -rf UU
	echo "Done."
	exit 0
	;;
esac

: set package name
package=freewais-sf
first=`echo $package | sed -e 's/^\(.\).*/\1/'`
last=`echo $package | sed -e 's/^.\(.*\)/\1/'`
case "`echo AbyZ | tr '[:lower:]' '[:upper:]' 2>/dev/null`" in
ABYZ) spackage=`echo $first | tr '[:lower:]' '[:upper:]'`$last;;
*) spackage=`echo $first | tr '[a-z]' '[A-Z]'`$last;;
esac

: Eunice requires " " instead of "", can you believe it
echo " "
: Here we go...
echo "Beginning of configuration questions for $package."

trap 'echo " "; test -d ../UU && rm -rf X $rmlist; exit 1' 1 2 3 15

: Some greps do not return status, grrr.
echo "grimblepritz" >grimble
if grep blurfldyick grimble >/dev/null 2>&1 ; then
	contains=contains
elif grep grimblepritz grimble >/dev/null 2>&1 ; then
	contains=grep
else
	contains=contains
fi
rm -f grimble
: the following should work in any shell
case "$contains" in
contains*)
	echo " "
	echo "AGH!  Grep doesn't return a status.  Attempting remedial action."
	cat >contains <<'EOSS'
grep "$1" "$2" >.greptmp && cat .greptmp && test -s .greptmp
EOSS
chmod +x contains
esac

: first determine how to suppress newline on echo command
echo " "
echo "Checking echo to see how to suppress newlines..."
(echo "hi there\c" ; echo " ") >.echotmp
if $contains c .echotmp >/dev/null 2>&1 ; then
	echo "...using -n."
	n='-n'
	c=''
else
	cat <<'EOM'
...using \c
EOM
	n=''
	c='\c'
fi
echo $n "The star should be here-->$c"
echo '*'
rm -f .echotmp

: Now test for existence of everything in MANIFEST
echo " "
if test -f ../MANIFEST; then
	echo "First let's make sure your kit is complete.  Checking..." >&4
	awk '$1 !~ /PACK[A-Z]+/ {print $1}' ../MANIFEST | split -50
	rm -f missing
	for filelist in x??; do
		(cd ..; ls `cat UU/$filelist` >/dev/null 2>>UU/missing)
	done
	if test -s missing; then
		cat missing >&4
		cat >&4 <<'EOM'

THIS PACKAGE SEEMS TO BE INCOMPLETE.

You have the option of continuing the configuration process, despite the
distinct possibility that your kit is damaged, by typing 'y'es.  If you
do, don't blame me if something goes wrong.  I advise you to type 'n'o
and contact the author (pfeifer@ls6.informatik.uni-dortmund.de).

EOM
		echo $n "Continue? [n] $c" >&4
		read ans
		case "$ans" in
		y*)
			echo "Continuing..." >&4
			rm -f missing
			;;
		*)
			echo "ABORTING..." >&4
			kill $$
			;;
		esac
	else
		echo "Looks good..." >&4
	fi
else
	echo "There is no MANIFEST file.  I hope your kit is complete !"
fi
rm -f missing x??

: compute the number of columns on the terminal for proper question formatting
case "$COLUMNS" in
'') COLUMNS='80';;
esac

: set up the echo used in my read
myecho="case \"\$xxxm\" in
'') echo $n \"\$rp $c\" >&4;;
*) case \"\$rp\" in
	'') echo $n \"[\$xxxm] $c\";;
	*)
		if test \`echo \"\$rp [\$xxxm]  \" | wc -c\` -ge $COLUMNS; then
			echo \"\$rp\" >&4
			echo $n \"[\$xxxm] $c\" >&4
		else
			echo $n \"\$rp [\$xxxm] $c\" >&4
		fi
		;;
	esac;;
esac"

: now set up to do reads with possible shell escape and default assignment
cat <<EOSC >myread
xxxm=\$dflt
$myecho
ans='!'
case "\$fastread" in
yes) case "\$dflt" in
	'') ;;
	*) ans='';
		case "\$silent-\$rp" in
		true-) ;;
		*) echo " " >&4;;
		esac;;
	esac;;
*) case "\$silent" in
	true) case "\$rp" in
		'') ans='';;
		esac;;
	esac;;
esac
while expr "X\$ans" : "X!" >/dev/null; do
	read answ
	set x \$xxxm
	shift
	aok=''; eval "ans=\"\$answ\"" && aok=y
	case  "\$answ" in
	"\$ans")
		case "\$ans" in
		\\&*)
			set x \`expr "X\$ans" : "X&\(.*\)\$"\`
			shift
			case "\$1" in
			-d)
				fastread=yes
				echo "(OK, I'll run with -d after this question.)"
				;;
			-*)
				echo "*** Sorry, \$1 not supported yet."
				;;
			esac
			$myecho
			ans=!
			;;
		"!")
			sh 1>&4
			echo " "
			$myecho
			;;
		!*)
			set x \`expr "X\$ans" : "X!\(.*\)\$"\`
			shift
			sh 1>&4 -c "\$*"
			echo " "
			$myecho
			;;
		esac;;
	*)
		case "\$aok" in
		y)
			echo "*** Substitution done -- please confirm."
			xxxm="\$ans"
			ans=\`echo $n "\$ans$c" | tr '\012' ' '\`
			xxxm="\$ans"
			ans=!
			;;
		*)
			echo "*** Error -- try again."
			ans=!
			;;
		esac
		$myecho
		;;
	esac
	case "\$ans\$xxxm\$nostick" in
	'')
		ans=!
		$myecho
		;;
	esac
done
case "\$ans" in
'') ans="\$xxxm";;
esac
EOSC

: create .config dir to save info across Configure sessions
test -d ../.config || mkdir ../.config
cat >../.config/README <<EOF
This directory created by Configure to save information that should
persist across sessions.

You may safely delete it if you wish.
EOF

: general instructions
needman=true
firsttime=true
user=`( (logname) 2>/dev/null || whoami) 2>&1`
if $contains "^$user\$" ../.config/instruct >/dev/null 2>&1; then
	firsttime=false
	echo " "
	rp='Would you like to see the instructions?'
	dflt=n
	. ./myread
	case "$ans" in
	[yY]*) ;;
	*) needman=false;;
	esac
fi
if $needman; then
	cat <<EOH
 
This installation shell script will examine your system and ask you questions
to determine how the freewais-sf package should be installed. If you get
stuck on a question, you may use a ! shell escape to start a subshell or
execute a command.  Many of the questions will have default answers in square
brackets; typing carriage return will give you the default.

On some of the questions which ask for file or directory names you are allowed
to use the ~name construct to specify the login directory belonging to "name",
even if you don't have a shell which knows about that.  Questions where this is
allowed will be marked "(~name ok)".

EOH
	rp=''
	dflt='Type carriage return to continue'
	. ./myread
	cat <<'EOH'

The prompter used in this script allows you to use shell variables and
backticks in your answers.  You may use $1, $2, etc...  to refer to the words
in the default answer, as if the default line was a set of arguments given to a
script shell.  This means you may also use $* to repeat the whole default line,
so you do not have to re-type everything to add something to the default.

Everytime there is a substitution, you will have to confirm.  If there is an
error (e.g. an unmatched backtick), the default answer will remain unchanged
and you will be prompted again.

If you are in a hurry, you may run 'Configure -d'.  This will bypass nearly all
the questions and use the computed defaults (or the previous answers if there
was already a config.sh file). Type 'Configure -h' for a list of options.
You may also start interactively and then answer '& -d' at any prompt to turn
on the non-interactive behaviour for the remaining of the execution.

EOH
	. ./myread
	cat <<EOH

Much effort has been expended to ensure that this shell script will run on any
Unix system.  If despite that it blows up on yours, your best bet is to edit
Configure and run it again.  If you can't run Configure for some reason,
you'll have to generate a config.sh file by hand.  Whatever problems you
have, let me (pfeifer@ls6.informatik.uni-dortmund.de) know how I blew it.

This installation script affects things in two ways:

1) it may do direct variable substitutions on some of the files included
   in this kit.
2) it builds a config.h file for inclusion in C programs.  You may edit
   any of these files as the need arises after running this script.

If you make a mistake on a question, there is no easy way to back up to it
currently.  The easiest thing to do is to edit config.sh and rerun all the SH
files.  Configure will offer to let you do this before it runs the SH files.

EOH
	dflt='Type carriage return to continue'
	. ./myread
	case "$firsttime" in
	true) echo $user >>../.config/instruct;;
	esac
fi

: see if sh knows # comments
echo " "
echo "Checking your sh to see if it knows about # comments..." >&4
if `sh -c '#' >/dev/null 2>&1`; then
	echo "Your sh handles # comments correctly."
	shsharp=true
	spitshell=cat
	echo " "
	echo "Okay, let's see if #! works on this system..."
	xcat=/bin/cat
	test -f $xcat || xcat=/usr/bin/cat
	echo "#!$xcat" >try
	$eunicefix try
	chmod +x try
	./try > today
	if test -s today; then
		echo "It does."
		sharpbang='#!'
	else
		echo "#! $xcat" > try
		$eunicefix try
		chmod +x try
		./try > today
		if test -s today; then
			echo "It does."
			sharpbang='#! '
		else
			echo "It's just a comment."
			sharpbang=': use '
		fi
	fi
else
	echo "Your sh doesn't grok # comments--I will strip them later on."
	shsharp=false
	cd ..
	echo "exec grep -v '^[ 	]*#'" >spitshell
	chmod +x spitshell
	$eunicefix spitshell
	spitshell=`pwd`/spitshell
	cd UU
	echo "I presume that if # doesn't work, #! won't work either!"
	sharpbang=': use '
fi
rm -f try today

: figure out how to guarantee sh startup
echo " "
echo "Checking out how to guarantee sh startup..." >&4
case "$SYSTYPE" in
*bsd*|sys5*) startsh=$sharpbang"/$SYSTYPE/bin/sh";;
*) startsh=$sharpbang'/bin/sh';;
esac
echo "Let's see if '$startsh' works..."
cat >try <<EOSS
$startsh
set abc
test "$?abc" != 1
EOSS

chmod +x try
$eunicefix try
if ./try; then
	echo "Yup, it does."
else
echo "Nope.  You may have to fix up the shell scripts to make sure sh runs them."
fi
rm -f try

: find out where common programs are
echo " "
echo "Locating common programs..." >&4
cat <<EOSC >loc
$startsh
case \$# in
0) exit 1;;
esac
thing=\$1
shift
dflt=\$1
shift
for dir in \$*; do
	case "\$thing" in
	.)
	if test -d \$dir/\$thing; then
		echo \$dir
		exit 0
	fi
	;;
	*)
	for thisthing in \$dir/\$thing; do
		: just loop through to pick last item
	done
	if test -f \$thisthing; then
		echo \$thisthing
		exit 0
	elif test -f \$dir/\$thing.exe; then
		: on Eunice apparently
		echo \$dir/\$thing
		exit 0
	fi
	;;
	esac
done
echo \$dflt
exit 1
EOSC
chmod +x loc
$eunicefix loc
loclist="
awk
cat
comm
cp
echo
expr
grep
ln
mkdir
mv
rm
sed
sort
touch
tr
uniq
"
trylist="
Mcc
bison
byacc
cpp
date
flex
line
more
nroff
perl
test
uname
zcat
gzcat
"
pth=`echo $PATH | sed -e "s/$p_/ /g"`
pth="$pth /lib /usr/lib"
for file in $loclist; do
	xxx=`./loc $file $file $pth`
	eval $file=$xxx
	eval _$file=$xxx
	case "$xxx" in
	/*)
		echo $file is in $xxx.
		;;
	?:[\\/]*)
		echo $file is in $xxx.
		;;
	*)
		echo "I don't know where $file is.  I hope it's in everyone's PATH."
		;;
	esac
done
echo " "
echo "Don't worry if any of the following aren't found..."
say=offhand
for file in $trylist; do
	xxx=`./loc $file $file $pth`
	eval $file=$xxx
	eval _$file=$xxx
	case "$xxx" in
	/*)
		echo $file is in $xxx.
		;;
	?:[\\/]*)
		echo $file is in $xxx.
		;;
	*)
		echo "I don't see $file out there, $say."
		say=either
		;;
	esac
done
case "$egrep" in
egrep)
	echo "Substituting grep for egrep."
	egrep=$grep
	;;
esac
case "$test" in
test)
	echo "Hopefully test is built into your sh."
	;;
*)
	if `sh -c "PATH= test true" >/dev/null 2>&1`; then
		echo "Using the test built into your sh."
		test=test
		_test=test
	fi
	;;
esac
case "$echo" in
echo)
	echo "Hopefully echo is built into your sh."
	;;
'') ;;
*)
	echo " "
echo "Checking compatibility between $echo and builtin echo (if any)..." >&4
	$echo $n "hi there$c" >foo1
	echo $n "hi there$c" >foo2
	if cmp foo1 foo2 >/dev/null 2>&1; then
		echo "They are compatible.  In fact, they may be identical."
	else
		case "$n" in
		'-n') n='' c='\c';;
		*) n='-n' c='';;
		esac
		cat <<FOO
They are not compatible!  You are probably running ksh on a non-USG system.
I'll have to use $echo instead of the builtin, since Bourne shell doesn't
have echo built in and we may have to run some Bourne shell scripts.  That
means I'll have to use '$n$c' to suppress newlines now.  Life is ridiculous.

FOO
		$echo $n "The star should be here-->$c"
		$echo "*"
	fi
	$rm -f foo1 foo2
	;;
esac

: determine whether symbolic links are supported
echo " "
$touch blurfl
if $ln -s blurfl sym > /dev/null 2>&1 ; then
	echo "Symbolic links are supported." >&4
	lns="$ln -s"
else
	echo "Symbolic links are NOT supported." >&4
	lns="$ln"
fi
$rm -f blurfl sym

: see whether [:lower:] and [:upper:] are supported character classes
echo " "
up='[A-Z]'
low='[a-z]'
case "`echo AbyZ | $tr '[:lower:]' '[:upper:]' 2>/dev/null`" in
ABYZ)
	echo "Good, your tr supports [:lower:] and [:upper:] to convert case." >&4
	up='[:upper:]'
	low='[:lower:]'
	;;
*)
	echo "Your tr only supports [a-z] and [A-Z] to convert case." >&4
	;;
esac
: set up the translation script tr, must be called with ./tr of course
cat >tr <<EOSC
$startsh
case "\$1\$2" in
'[A-Z][a-z]') exec $tr '$up' '$low';;
'[a-z][A-Z]') exec $tr '$low' '$up';;
esac
exec $tr "\$@"
EOSC
chmod +x tr
$eunicefix tr

: Try to determine whether config.sh was made on this system
case "$config_sh" in
'')
myuname=`( ($uname -a) 2>/dev/null || hostname) 2>&1`
myuname=`echo $myuname | $sed -e 's/^[^=]*=//' -e 's/\///g' | \
	./tr '[A-Z]' '[a-z]' | tr '\012' ' '`
newmyuname="$myuname"
dflt=n
case "$knowitall" in
'')
	if test -f ../config.sh; then
		if $contains myuname= ../config.sh >/dev/null 2>&1; then
			eval "`grep myuname= ../config.sh`"
		fi
		if test "X$myuname" = "X$newmyuname"; then
			dflt=y
		fi
	fi
	;;
*) dflt=y;;
esac

: Get old answers, if there is a config file out there
hint=default
hintfile=''
if test -f ../config.sh; then
	echo " "
	rp="I see a config.sh file.  Shall I use it to set the defaults?"
	. ./myread
	case "$ans" in
	n*|N*) echo "OK, I'll ignore it.";;
	*)  echo "Fetching default answers from your old config.sh file..." >&4
		tmp_n="$n"
		tmp_c="$c"
		. ../config.sh
		cp ../config.sh .
		n="$tmp_n"
		c="$tmp_c"
		hint=previous
		;;
	esac
fi
;;
*)
	echo " "
	echo "Fetching default answers from $config_sh..." >&4
	tmp_n="$n"
	tmp_c="$c"
	cd ..
	cp $config_sh config.sh 2>/dev/null
	. ./config.sh
	cd UU
	cp ../config.sh .
	n="$tmp_n"
	c="$tmp_c"
	hint=previous
	;;
esac
test "$override" && . ./optdef.sh
myuname="$newmyuname"

: Restore computed paths
for file in $loclist $trylist; do
	eval $file="\$_$file"
done

: who configured the system
cf_time=`$date 2>&1`
(logname > .temp) >/dev/null 2>&1
$test -s .temp || (whoami > .temp) >/dev/null 2>&1
$test -s .temp || echo unknown > .temp
cf_by=`$cat .temp`
$rm -f .temp

: decide how portable to be
case "$d_portable" in
"$define") dflt=y;;
*)	dflt=n;;
esac
$cat <<'EOH'
 
I can set things up so that your shell scripts and binaries are more portable,
at what may be a noticable cost in performance.  In particular, if you
ask to be portable, the following happens:

     1) Shell scripts will rely on the PATH variable rather than using
	the paths derived above.
     2) ~username interpretations will be done at run time rather than
	by Configure.

EOH
rp="Do you expect to run these scripts and binaries on multiple machines?"
. ./myread
case "$ans" in
	y*) d_portable="$define"
	;;
	*)  d_portable="$undef" ;;
esac

: set up shell script to do ~ expansion
cat >filexp <<EOSS
$startsh
: expand filename
case "\$1" in
 ~/*|~)
	echo \$1 | $sed "s|~|\${HOME-\$LOGDIR}|"
	;;
 ~*)
	if $test -f /bin/csh; then
		/bin/csh -f -c "glob \$1"
		failed=\$?
		echo ""
		exit \$failed
	else
		name=\`$expr x\$1 : '..\([^/]*\)'\`
		dir=\`$sed -n -e "/^\${name}:/{s/^[^:]*:[^:]*:[^:]*:[^:]*:[^:]*:\([^:]*\).*"'\$'"/\1/" -e p -e q -e '}' </etc/passwd\`
		if $test ! -d "\$dir"; then
			me=\`basename \$0\`
			echo "\$me: can't locate home directory for: \$name" >&2
			exit 1
		fi
		case "\$1" in
		*/*)
			echo \$dir/\`$expr x\$1 : '..[^/]*/\(.*\)'\`
			;;
		*)
			echo \$dir
			;;
		esac
	fi
	;;
*)
	echo \$1
	;;
esac
EOSS
chmod +x filexp
$eunicefix filexp

: now set up to get a file name
cat <<'EOSC' >getfile
tilde=''
fullpath=''
already=''
skip=''
none_ok=''
exp_file=''
nopath_ok=''
orig_rp="$rp"
orig_dflt="$dflt"

case "$fn" in
*\(*)
	expr $fn : '.*(\(.*\)).*' | tr ',' '\012' >getfile.ok
	fn=`echo $fn | sed 's/(.*)//'`
	;;
esac

case "$fn" in
*:*)
	loc_file=`expr $fn : '.*:\(.*\)'`
	fn=`expr $fn : '\(.*\):.*'`
	;;
esac

case "$fn" in
*~*) tilde=true;;
esac
case "$fn" in
*/*) fullpath=true;;
esac
case "$fn" in
*+*) skip=true;;
esac
case "$fn" in
*n*) none_ok=true;;
esac
case "$fn" in
*e*) exp_file=true;;
esac
case "$fn" in
*p*) nopath_ok=true;;
esac

case "$fn" in
*f*) type='File';;
*d*) type='Directory';;
*l*) type='Locate';;
esac

what="$type"
case "$what" in
Locate) what='File';;
esac

case "$exp_file" in
'')
	case "$d_portable" in
	"$define") ;;
	*) exp_file=true;;
	esac
	;;
esac

cd ..
while test "$type"; do
	redo=''
	rp="$orig_rp"
	dflt="$orig_dflt"
	case "$tilde" in
	true) rp="$rp (~name ok)";;
	esac
	. UU/myread
	if test -f UU/getfile.ok && \
		$contains "^$ans\$" UU/getfile.ok >/dev/null 2>&1
	then
		value="$ans"
		ansexp="$ans"
		break
	fi
	case "$ans" in
	none)
		value=''
		ansexp=''
		case "$none_ok" in
		true) type='';;
		esac
		;;
	*)
		case "$tilde" in
		'') value="$ans"
			ansexp="$ans";;
		*)
			value=`UU/filexp $ans`
			case $? in
			0)
				if test "$ans" != "$value"; then
					echo "(That expands to $value on this system.)"
				fi
				;;
			*) value="$ans";;
			esac
			ansexp="$value"
			case "$exp_file" in
			'') value="$ans";;
			esac
			;;
		esac
		case "$fullpath" in
		true)
			case "$ansexp" in
			/*) value="$ansexp" ;;
			*)
				redo=true
				case "$already" in
				true)
				echo "I shall only accept a full path name, as in /bin/ls." >&4
				echo "Use a ! shell escape if you wish to check pathnames." >&4
					;;
				*)
				echo "Please give a full path name, starting with slash." >&4
					case "$tilde" in
					true)
				echo "Note that using ~name is ok provided it expands well." >&4
						already=true
						;;
					esac
				esac
				;;
			esac
			;;
		esac
		case "$redo" in
		'')
			case "$type" in
			File)
				if test -f "$ansexp"; then
					type=''
				elif test -r "$ansexp" || (test -h "$ansexp") >/dev/null 2>&1
				then
					echo "($value is not a plain file, but that's ok.)"
					type=''
				fi
				;;
			Directory)
				if test -d "$ansexp"; then
					type=''
				fi
				;;
			Locate)
				if test -d "$ansexp"; then
					echo "(Looking for $loc_file in directory $value.)"
					value="$value/$loc_file"
					ansexp="$ansexp/$loc_file"
				fi
				if test -f "$ansexp"; then
					type=''
				fi
				case "$nopath_ok" in
				true)	case "$value" in
					*/*) ;;
					*)	echo "Assuming $value will be in people's path."
						type=''
						;;
					esac
					;;
				esac
				;;
			esac

			case "$skip" in
			true) type='';
			esac

			case "$type" in
			'') ;;
			*)
				if test "$fastread" = yes; then
					dflt=y
				else
					dflt=n
				fi
				rp="$what $value doesn't exist.  Use that name anyway?"
				. UU/myread
				dflt=''
				case "$ans" in
				y*) type='';;
				*) echo " ";;
				esac
				;;
			esac
			;;
		esac
		;;
	esac
done
cd UU
ans="$value"
rp="$orig_rp"
dflt="$orig_dflt"
rm -f getfile.ok
EOSC

: determine root of directory hierarchy where package will be installed.
case "$prefix" in
'')
	dflt=`./loc . /usr/local /usr/local /local /opt /usr`
	;;
*)
	dflt="$prefix"
	;;
esac
$cat <<EOM

By default, $package will be installed in $dflt/bin, manual
pages under $dflt/man, etc..., i.e. with $dflt as prefix for
all installation directories. Typically set to /usr/local, but you
may choose /usr if you wish to install $package among your system
binaries. If you wish to have binaries under /bin but manual pages
under /usr/local/man, that's ok: you will be prompted separately
for each of the installation directories, the prefix being only used
to set the defaults.

EOM
fn=d~
rp='Installation prefix to use?'
. ./getfile
oldprefix=''
case "$prefix" in
'') ;;
*)
	case "$ans" in
	"$prefix") ;;
	*) oldprefix="$prefix";;
	esac
	;;
esac
prefix="$ans"
prefixexp="$ansexp"

: set the prefixit variable, to compute a suitable default value
prefixit='case "$3" in
""|none)
	case "$oldprefix" in
	"") eval "$1=\"\$$2\"";;
	*)
		case "$3" in
		"") eval "$1=";;
		none)
			eval "tp=\"\$$2\"";
			case "$tp" in
			""|" ") eval "$1=\"\$$2\"";;
			*) eval "$1=";;
			esac;;
		esac;;
	esac;;
*)
	eval "tp=\"$oldprefix-\$$2-\""; eval "tp=\"$tp\"";
	case "$tp" in
	--|/*--|\~*--) eval "$1=\"$prefix/$3\"";;
	/*-$oldprefix/*|\~*-$oldprefix/*)
		eval "$1=\`echo \$$2 | sed \"s,^$oldprefix,$prefix,\"\`";;
	*) eval "$1=\"\$$2\"";;
	esac;;
esac'

: is AFS running?
echo " "
if test -d /afs; then
	echo "AFS may be running... I'll be extra cautious then..." >&4
	afs=true
else
	echo "AFS does not seem to be running..." >&4
	afs=false
fi

: determine where public executables go
echo " "
set dflt bin bin
eval $prefixit
fn=d~
rp='Pathname where the public executables will reside?'
. ./getfile
if $test "X$ansexp" != "X$binexp"; then
	installbin=''
fi
bin="$ans"
binexp="$ansexp"
if $afs; then
	$cat <<EOM

Since you are running AFS, I need to distinguish the directory in which
executables reside from the directory in which they are installed (and from
which they are presumably copied to the former directory by occult means).

EOM
	case "$installbin" in
	'') dflt=`echo $binexp | sed 's#^/afs/#/afs/.#'`;;
	*) dflt="$installbin";;
	esac
	fn=de~
	rp='Where will public executables be installed?'
	. ./getfile
	installbin="$ans"
else
	installbin="$binexp"
fi

: determine where manual pages are on this system
echo " "
case "$sysman" in
'') 
	syspath='/usr/man/man1 /usr/man/mann /usr/man/manl /usr/man/local/man1'
	syspath="$syspath /usr/man/u_man/man1 /usr/share/man/man1"
	syspath="$syspath /usr/catman/u_man/man1 /usr/man/l_man/man1"
	syspath="$syspath /usr/local/man/u_man/man1 /usr/local/man/l_man/man1"
	syspath="$syspath /usr/man/man.L /local/man/man1 /usr/local/man/man1"
	sysman=`./loc . /usr/man/man1 $syspath`
	;;
esac
if $test -d "$sysman"; then
	echo "System manual is in $sysman." >&4
else
	echo "Could not find manual pages in source form." >&4
fi

: set the prefixup variable, to restore leading tilda escape
prefixup='case "$prefixexp" in
"$prefix") ;;
*) eval "$1=\`echo \$$1 | sed \"s,^$prefixexp,$prefix,\"\`";;
esac'

: determine where manual pages go
set mansrc mansrc none
eval $prefixit
$cat <<EOM

$spackage has manual pages available in source form.
EOM
case "$nroff" in
nroff)
	echo "However, you don't have nroff, so they're probably useless to you."
	case "$mansrc" in
	'') mansrc="none";;
	esac;;
esac
echo "If you don't want the manual sources installed, answer 'none'."
case "$mansrc" in
'')
	lookpath="$prefixexp/man/man1 $prefixexp/man/u_man/man1"
	lookpath="$lookpath $prefixexp/man/l_man/man1"
	lookpath="$lookpath /usr/local/man/man1 /opt/man/man1 /usr/man/manl"
	lookpath="$lookpath /usr/man/local/man1 /usr/man/l_man/man1"
	lookpath="$lookpath /usr/local/man/u_man/man1 /usr/local/man/l_man/man1"
	lookpath="$lookpath /usr/man/man.L"
	mansrc=`./loc . $prefixexp/man/man1 $lookpath`
	if $test -d "$mansrc"; then
		dflt="$mansrc"
	else
		dflt="$sysman"
	fi
	set dflt
	eval $prefixup
	;;
' ') dflt=none;;
*)  dflt="$mansrc"
	;;
esac
echo " "
fn=dn~
rp='Where do the manual pages (source) go?'
. ./getfile
if test "X$mansrcexp" != "X$ansexp"; then
	installmansrc=''
fi
mansrc="$ans"
mansrcexp="$ansexp"
case "$mansrc" in
'') mansrc=' '
	installmansrc='';;
esac
if $afs; then
	$cat <<EOM

Since you are running AFS, I need to distinguish the directory in which
manual pages reside from the directory in which they are installed (and from
which they are presumably copied to the former directory by occult means).

EOM
	case "$installmansrc" in
	'') dflt=`echo $mansrcexp | sed 's#^/afs/#/afs/.#'`;;
	*) dflt="$installmansrc";;
	esac
	fn=de~
	rp='Where will man pages be installed?'
	. ./getfile
	installmansrc="$ans"
else
	installmansrc="$mansrcexp"
fi

case "$mansrc" in
' ') manext='0';;
*l) manext=l;;
*n) manext=n;;
*o) manext=l;;
*p) manext=n;;
*C) manext=C;;
*L) manext=L;;
*L1) manext=L1;;
*) manext=1;;
esac

: determine where private executables go
set dflt privlib lib/$package
eval $prefixit
$cat <<EOM

There are some auxiliary files for $package that need to be put into a
private library directory that is accessible by everyone.

EOM
fn=d~+
rp='Pathname where the private library files will reside?'
. ./getfile
if $test "X$privlibexp" != "X$ansexp"; then
	installprivlib=''
fi
privlib="$ans"
privlibexp="$ansexp"
if $afs; then
	$cat <<EOM

Since you are running AFS, I need to distinguish the directory in which
private files reside from the directory in which they are installed (and from
which they are presumably copied to the former directory by occult means).

EOM
	case "$installprivlib" in
	'') dflt=`echo $privlibexp | sed 's#^/afs/#/afs/.#'`;;
	*) dflt="$installprivlib";;
	esac
	fn=de~
	rp='Where will private files be installed?'
	. ./getfile
	installprivlib="$ans"
else
	installprivlib="$privlibexp"
fi

: determine where public executable scripts go
set scriptdir scriptdir
eval $prefixit
case "$scriptdir" in
'')
	dflt="$bin"
	: guess some guesses
	$test -d /usr/share/scripts && dflt=/usr/share/scripts
	$test -d /usr/share/bin && dflt=/usr/share/bin
	$test -d /usr/local/script && dflt=/usr/local/script
	$test -d $prefixexp/script && dflt=$prefixexp/script
	set dflt
	eval $prefixup
	;;
*)  dflt="$scriptdir"
	;;
esac
$cat <<EOM
 
Some installations have a separate directory just for executable scripts so
that they can mount it across multiple architectures but keep the scripts in
one spot.  You might, for example, have a subdirectory of /usr/share for this.
Or you might just lump your scripts in with all your other executables.
 
EOM
fn=d~
rp='Where do you keep publicly executable scripts?'
. ./getfile
if $test "X$ansexp" != "X$scriptdirexp"; then
	installscript=''
fi
scriptdir="$ans"
scriptdirexp="$ansexp"
if $afs; then
	$cat <<EOM

Since you are running AFS, I need to distinguish the directory in which
scripts reside from the directory in which they are installed (and from
which they are presumably copied to the former directory by occult means).

EOM
	case "$installscript" in
	'') dflt=`echo $scriptdirexp | sed 's#^/afs/#/afs/.#'`;;
	*) dflt="$installscript";;
	esac
	fn=de~
	rp='Where will public scripts be installed?'
	. ./getfile
	installscript="$ans"
else
	installscript="$scriptdirexp"
fi

: see what memory models we can support
case "$models" in
'')
	$cat >pdp11.c <<'EOP'
main() {
#ifdef pdp11
	exit(0);
#else
	exit(1);
#endif
}
EOP
	cc -o pdp11 pdp11.c >/dev/null 2>&1
	if ./pdp11 2>/dev/null; then
		dflt='unsplit split'
	else
		tans=`./loc . X /lib/small /lib/large /usr/lib/small /usr/lib/large /lib/medium /usr/lib/medium /lib/huge`
		case "$tans" in
		X) dflt='none';;
		*) if $test -d /lib/small || $test -d /usr/lib/small; then
				dflt='small'
			else
				dflt=''
			fi
			if $test -d /lib/medium || $test -d /usr/lib/medium; then
				dflt="$dflt medium"
			fi
			if $test -d /lib/large || $test -d /usr/lib/large; then
				dflt="$dflt large"
			fi
			if $test -d /lib/huge || $test -d /usr/lib/huge; then
				dflt="$dflt huge"
			fi
		esac
	fi;;
*) dflt="$models";;
esac
$cat <<EOM
 
Some systems have different model sizes.  On most systems they are called
small, medium, large, and huge.  On the PDP11 they are called unsplit and
split.  If your system doesn't support different memory models, say "none".
If you wish to force everything to one memory model, say "none" here and
put the appropriate flags later when it asks you for other cc and ld flags.
Venix systems may wish to put "none" and let the compiler figure things out.
(In the following question multiple model names should be space separated.)

EOM
rp="Which memory models are supported?"
. ./myread
models="$ans"

case "$models" in
none)
	small=''
	medium=''
	large=''
	huge=''
	unsplit=''
	split=''
	;;
*split)
	case "$split" in
	'') if $contains '\-i' $sysman/ld.1 >/dev/null 2>&1 || \
			 $contains '\-i' $sysman/cc.1 >/dev/null 2>&1; then
			dflt='-i'
		else
			dflt='none'
		fi;;
	*) dflt="$split";;
	esac
	rp="What flag indicates separate I and D space?"
	. ./myread
	tans="$ans"
	case "$tans" in
	none) tans='';;
	esac
	split="$tans"
	unsplit='';;
*large*|*small*|*medium*|*huge*)
	case "$models" in
	*large*)
		case "$large" in
		'') dflt='-Ml';;
		*) dflt="$large";;
		esac
	rp="What flag indicates large model?"
	. ./myread
	tans="$ans"
	case "$tans" in
	none) tans='';
	esac
	large="$tans";;
	*) large='';;
	esac
	case "$models" in
	*huge*) case "$huge" in
		'') dflt='-Mh';;
		*) dflt="$huge";;
		esac
		rp="What flag indicates huge model?"
		. ./myread
		tans="$ans"
		case "$tans" in
		none) tans='';
		esac
		huge="$tans";;
	*) huge="$large";;
	esac
	case "$models" in
	*medium*) case "$medium" in
		'') dflt='-Mm';;
		*) dflt="$medium";;
		esac
		rp="What flag indicates medium model?"
		. ./myread
		tans="$ans"
		case "$tans" in
		none) tans='';
		esac
		medium="$tans";;
	*) medium="$large";;
	esac
	case "$models" in
	*small*) case "$small" in
		'') dflt='none';;
		*) dflt="$small";;
		esac
		rp="What flag indicates small model?"
		. ./myread
		tans="$ans"
		case "$tans" in
		none) tans='';
		esac
		small="$tans";;
	*) small='';;
	esac
	;;
*)
	echo "Unrecognized memory models--you may have to edit Makefile.SH" >&4
	;;
esac

: make some quick guesses about what we are up against
echo " "
$echo $n "Hmm...  $c"
echo exit 1 >bsd
echo exit 1 >usg
echo exit 1 >v7
echo exit 1 >osf1
echo exit 1 >eunice
echo exit 1 >xenix
echo exit 1 >venix
echo exit 1 >os2
d_bsd="$undef"
$cat /usr/include/signal.h /usr/include/sys/signal.h >foo 2>/dev/null
if test -f /osf_boot || $contains 'OSF/1' /usr/include/ctype.h >/dev/null 2>&1
then
	echo "Looks kind of like an OSF/1 system, but we'll see..."
	echo exit 0 >osf1
elif test `echo abc | tr a-z A-Z` = Abc ; then
	xxx=`./loc addbib blurfl $pth`
	if $test -f $xxx; then
	echo "Looks kind of like a USG system with BSD features, but we'll see..."
		echo exit 0 >bsd
		echo exit 0 >usg
	else
		if $contains SIGTSTP foo >/dev/null 2>&1 ; then
			echo "Looks kind of like an extended USG system, but we'll see..."
		else
			echo "Looks kind of like a USG system, but we'll see..."
		fi
		echo exit 0 >usg
	fi
elif $contains SIGTSTP foo >/dev/null 2>&1 ; then
	echo "Looks kind of like a BSD system, but we'll see..."
	d_bsd="$define"
	echo exit 0 >bsd
else
	echo "Looks kind of like a Version 7 system, but we'll see..."
	echo exit 0 >v7
fi
case "$eunicefix" in
*unixtovms*)
	$cat <<'EOI'
There is, however, a strange, musty smell in the air that reminds me of
something...hmm...yes...I've got it...there's a VMS nearby, or I'm a Blit.
EOI
	echo exit 0 >eunice
	d_eunice="$define"
: it so happens the Eunice I know will not run shell scripts in Unix format
	;;
*)
	echo " "
	echo "Congratulations.  You aren't running Eunice."
	d_eunice="$undef"
	;;
esac
case "$p_" in
:) ;;
*)
	$cat <<'EOI'
I have the feeling something is not exactly right, however...don't tell me...
lemme think...does HAL ring a bell?...no, of course, you're only running OS/2!
EOI
	echo exit 0 >os2
	;;
esac
if test -f /xenix; then
	echo "Actually, this looks more like a XENIX system..."
	echo exit 0 >xenix
	d_xenix="$define"
else
	echo " "
	echo "It's not Xenix..."
	d_xenix="$undef"
fi
chmod +x xenix
$eunicefix xenix
if test -f /venix; then
	echo "Actually, this looks more like a VENIX system..."
	echo exit 0 >venix
else
	echo " "
	if ./xenix; then
		: null
	else
		echo "Nor is it Venix..."
	fi
fi
chmod +x bsd usg v7 osf1 eunice xenix venix os2
$eunicefix bsd usg v7 osf1 eunice xenix venix os2
$rm -f foo

: see if we need a special compiler
echo " "
if ./usg; then
	case "$cc" in
	'') case "$Mcc" in
		/*) dflt='Mcc';;
		*) case "$large" in
			-M*) dflt='cc';;
			*)	if $contains '\-M' $sysman/cc.1 >/dev/null 2>&1 ; then
					if $contains '\-M' $sysman/cpp.1 >/dev/null 2>&1; then
						dflt='cc'
					else
						dflt='cc -M'
					fi
				else
					dflt='cc'
				fi;;
			esac;;
		esac;;
	*)  dflt="$cc";;
	esac
	$cat <<'EOM'
On some systems the default C compiler will not resolve multiple global
references that happen to have the same name.  On some such systems the "Mcc"
command may be used to force these to be resolved.  On other systems a "cc -M"
command is required.  (Note that the -M flag on other systems indicates a
memory model to use!) If you have the Gnu C compiler, you might wish to use
that instead.

EOM
	rp="What command will force resolution on this system?"
	. ./myread
	cc="$ans"
else
	case "$cc" in
	'') dflt=cc;;
	*) dflt="$cc";;
	esac
	rp="Use which C compiler?"
	. ./myread
	cc="$ans"
fi
echo " "
echo "Checking for GNU cc in disguise and/or its version number..." >&4
$cat >gccvers.c <<EOM
#include <stdio.h>
int main() {
#ifdef __GNUC__
#ifdef __VERSION__
	printf("%s\n", __VERSION__);
#else
	printf("%s\n", "1");
#endif
#endif
	exit(0);
}
EOM
if $cc -o gccvers gccvers.c >/dev/null 2>&1; then
	gccversion=`./gccvers`
	case "$gccversion" in
	'') echo "You are not using GNU cc." ;;
	*)  echo "You are using GNU cc $gccversion." ;;
	esac
else
	echo " "
	echo "*** WHOA THERE!!! ***" >&4
	echo "    Your C compiler \"$cc\" doesn't seem to be working!" >&4
	case "$knowitall" in
	'')
	echo "    You'd better start hunting for one and let me know about it." >&4
		exit 1
		;;
	esac
fi
$rm -f gccvers*
case "$gccversion" in
1*) cpp=`./loc gcc-cpp $cpp $pth` ;;
esac

: What should the include directory be ?
echo " "
$echo $n "Hmm...  $c"
dflt='/usr/include'
incpath=''
mips_type=''
if $test -f /bin/mips && /bin/mips; then
	echo "Looks like a MIPS system..."
	$cat >usr.c <<'EOCP'
#ifdef SYSTYPE_BSD43
/bsd43
#endif
EOCP
	if $cc -E usr.c > usr.out && $contains / usr.out >/dev/null 2>&1; then
		dflt='/bsd43/usr/include'
		incpath='/bsd43'
		mips_type='BSD 4.3'
	else
		mips_type='System V'
	fi
	$rm -f usr.c usr.out
	echo "and you're compiling with the $mips_type compiler and libraries."
	echo "exit 0" >mips
else
	echo "Doesn't look like a MIPS system."
	echo "exit 1" >mips
fi
chmod +x mips
$eunicefix mips
echo " "
case "$usrinc" in
'') ;;
*) dflt="$usrinc";;
esac
fn=d/
rp='Where are the include files you want to use?'
. ./getfile
usrinc="$ans"

: see how we invoke the C preprocessor
echo " "
echo "Now, how can we feed standard input to your C preprocessor..." >&4
cat <<'EOT' >testcpp.c
#define ABC abc
#define XYZ xyz
ABC.XYZ
EOT
cd ..
echo 'cat >.$$.c; '"$cc"' -E ${1+"$@"} .$$.c; rm .$$.c' >cppstdin
chmod 755 cppstdin
wrapper=`pwd`/cppstdin
ok='false'
cd UU

if $test "X$cppstdin" != "X" && \
	$cppstdin $cppminus <testcpp.c >testcpp.out 2>&1 && \
	$contains 'abc.*xyz' testcpp.out >/dev/null 2>&1
then
	echo "You used to use $cppstdin $cppminus so we'll use that again."
	case "$cpprun" in
	'') echo "But let's see if we can live without a wrapper..." ;;
	*)
		if $cpprun $cpplast <testcpp.c >testcpp.out 2>&1 && \
			$contains 'abc.*xyz' testcpp.out >/dev/null 2>&1
		then
			echo "(And we'll use $cpprun $cpplast to preprocess directly.)"
			ok='true'
		else
			echo "(However, $cpprun $cpplast does not work, let's see...)"
		fi
		;;
	esac
else
	case "$cppstdin" in
	'') ;;
	*)
		echo "Good old $cppstdin $cppminus does not seem to be of any help..."
		;;
	esac
fi

if $ok; then
	: nothing
elif echo 'Maybe "'"$cc"' -E" will work...'; \
	$cc -E <testcpp.c >testcpp.out 2>&1; \
	$contains 'abc.*xyz' testcpp.out >/dev/null 2>&1 ; then
	echo "Yup, it does."
	x_cpp="$cc -E"
	x_minus='';
elif echo 'Nope...maybe "'"$cc"' -E -" will work...'; \
	$cc -E - <testcpp.c >testcpp.out 2>&1; \
	$contains 'abc.*xyz' testcpp.out >/dev/null 2>&1 ; then
	echo "Yup, it does."
	x_cpp="$cc -E"
	x_minus='-';
elif echo 'Nope...maybe "'"$cc"' -P" will work...'; \
	$cc -P <testcpp.c >testcpp.out 2>&1; \
	$contains 'abc.*xyz' testcpp.out >/dev/null 2>&1 ; then
	echo "Yipee, that works!"
	x_cpp="$cc -P"
	x_minus='';
elif echo 'Nope...maybe "'"$cc"' -P -" will work...'; \
	$cc -P - <testcpp.c >testcpp.out 2>&1; \
	$contains 'abc.*xyz' testcpp.out >/dev/null 2>&1 ; then
	echo "At long last!"
	x_cpp="$cc -P"
	x_minus='-';
elif echo 'No such luck, maybe "'$cpp'" will work...'; \
	$cpp <testcpp.c >testcpp.out 2>&1; \
	$contains 'abc.*xyz' testcpp.out >/dev/null 2>&1 ; then
	echo "It works!"
	x_cpp="$cpp"
	x_minus='';
elif echo 'Nixed again...maybe "'$cpp' -" will work...'; \
	$cpp - <testcpp.c >testcpp.out 2>&1; \
	$contains 'abc.*xyz' testcpp.out >/dev/null 2>&1 ; then
	echo "Hooray, it works!  I was beginning to wonder."
	x_cpp="$cpp"
	x_minus='-';
elif echo 'Uh-uh.  Time to get fancy.  Trying a wrapper...'; \
	$wrapper <testcpp.c >testcpp.out 2>&1; \
	$contains 'abc.*xyz' testcpp.out >/dev/null 2>&1 ; then
	x_cpp="$wrapper"
	x_minus=''
	echo "Eureka!"
else
	dflt=''
	rp="No dice.  I can't find a C preprocessor.  Name one:"
	. ./myread
	x_cpp="$ans"
	x_minus=''
	$x_cpp <testcpp.c >testcpp.out 2>&1
	if $contains 'abc.*xyz' testcpp.out >/dev/null 2>&1 ; then
		echo "OK, that will do." >&4
	else
echo "Sorry, I can't get that to work.  Go find one and rerun Configure." >&4
		exit 1
	fi
fi

case "$ok" in
false)
	cppstdin="$x_cpp"
	cppminus="$x_minus"
	cpprun="$x_cpp"
	cpplast="$x_minus"
	set X $x_cpp
	shift
	case "$1" in
	"$cpp")
		echo "Perhaps can we force $cc -E using a wrapper..."
		if $wrapper <testcpp.c >testcpp.out 2>&1; \
			$contains 'abc.*xyz' testcpp.out >/dev/null 2>&1
		then
			echo "Yup, we can."
			cppstdin="$wrapper"
			cppminus='';
		else
			echo "Nope, we'll have to live without it..."
		fi
		;;
	esac
	case "$cpprun" in
	"$wrapper")
		cpprun=''
		cpplast=''
		;;
	esac
	;;
esac

case "$cppstdin" in
"$wrapper") ;;
*) $rm -f $wrapper;;
esac
$rm -f testcpp.c testcpp.out

: determine optimize, if desired, or use for debug flag also
case "$optimize" in
' ') dflt='none';;
'') dflt='-O';;
*) dflt="$optimize";;
esac
$cat <<EOH

Some C compilers have problems with their optimizers, by default, $package
compiles with the -O flag to use the optimizer.  Alternately, you might want
to use the symbolic debugger, which uses the -g flag (on traditional Unix
systems).  Either flag can be specified here.  To use neither flag, specify
the word "none".

EOH
rp="What optimizer/debugger flag should be used?"
. ./myread
optimize="$ans"
case "$optimize" in
'none') optimize=" ";;
esac

dflt=''
case "$ccflags" in
'')	
	case "$gccversion" in
	1*) dflt='-fpcc-struct-return' ;;
	esac
	case "$optimize" in
	*-g*) dflt="$dflt -DDEBUGGING";;
	esac
	case "$gccversion" in
	2*) if test -d /etc/conf/kconfig.d &&
			$contains _POSIX_VERSION $usrinc/sys/unistd.h >/dev/null 2>&1
		then
			dflt="$dflt -posix"
		fi
		;;
	esac
	;;
esac

case "$mips_type" in
*BSD*) ;;
'') ;;
*) inclwanted="$inclwanted $usrinc/bsd";;
esac
for thisincl in $inclwanted; do
	if $test -d $thisincl; then
		if $test x$thisincl != x$usrinc; then
			case "$dflt" in
			*$thisincl*);;
			*) dflt="$dflt -I$thisincl";;
			esac
		fi
	fi
done

inctest='if $contains $2 $usrinc/$1 >/dev/null 2>&1; then
	xxx=true;
elif $contains $2 $usrinc/sys/$1 >/dev/null 2>&1; then
	xxx=true;
else
	xxx=false;
fi;
if $xxx; then
	case "$dflt" in
	*$2*);;
	*) dflt="$dflt -D$2";;
	esac;
fi'

if ./osf1; then
	set signal.h __LANGUAGE_C__; eval $inctest
else
	set signal.h LANGUAGE_C; eval $inctest
fi
set signal.h NO_PROTOTYPE; eval $inctest
set signal.h _NO_PROTO; eval $inctest

case "$dflt" in
'') dflt=none;;
esac
case "$ccflags" in
'') ;;
*) dflt="$ccflags";;
esac
$cat <<EOH

Your C compiler may want other flags.  For this question you should include
-I/whatever and -DWHATEVER flags and any other flags used by the C compiler,
but you should NOT include libraries or ld flags like -lwhatever.  If you
want $package to honor its debug switch, you should include -DDEBUG here.
To use no flags, specify the word "none".

EOH
set X $dflt
shift
dflt=${1+"$@"}
rp="Any additional cc flags?"
. ./myread
case "$ans" in
none) ccflags='';;
*) ccflags="$ans";;
esac

: the following weeds options from ccflags that are of no interest to cpp
cppflags="$ccflags"
case "$gccversion" in
1*) cppflags="$cppflags -D__GNUC__"
esac
case "$mips_type" in
'');;
*BSD*) cppflags="$cppflags -DSYSTYPE_BSD43";;
esac
case "$cppflags" in
'');;
*)
	echo " "
	echo "Let me guess what the preprocessor flags are..." >&4
	set X $cppflags
	shift
	cppflags=''
	$cat >cpp.c <<'EOM'
#define BLURFL foo

BLURFL xx LFRULB
EOM
	previous=''
	for flag in $*
	do
		case "$flag" in
		-*) ftry="$flag";;
		*) ftry="$previous $flag";;
		esac
		if $cppstdin -DLFRULB=bar $ftry $cppminus <cpp.c \
			>cpp1.out 2>/dev/null && \
			$cpprun -DLFRULB=bar $ftry $cpplast <cpp.c \
			>cpp2.out 2>/dev/null && \
			$contains 'foo.*xx.*bar' cpp1.out >/dev/null 2>&1 && \
			$contains 'foo.*xx.*bar' cpp2.out >/dev/null 2>&1
		then
			cppflags="$cppflags $ftry"
			previous=''
		else
			previous="$flag"
		fi
	done
	set X $cppflags
	shift
	cppflags=${1+"$@"}
	case "$cppflags" in
	*-*)  echo "They appear to be: $cppflags";;
	esac
	$rm -f cpp.c cpp?.out
	;;
esac

: flags used in final linking phase
case "$ldflags" in
'') if ./venix; then
		dflt='-i -z'
	else
		dflt=''
	fi
	case "$ccflags" in
	*-posix*) dflt="$dflt -posix" ;;
	esac
	case "$dflt" in
	'') dflt='none' ;;
	esac
	;;
*) dflt="$ldflags";;
esac
echo " "
rp="Any additional ld flags (NOT including libraries)?"
. ./myread
case "$ans" in
none) ldflags='';;
*) ldflags="$ans";;
esac
rmlist="$rmlist pdp11"

: coherency check
echo " "
echo "Checking your choice of C compiler and flags for coherency..." >&4
set X $cc $optimize $ccflags $ldflags try.c -o try
shift
$cat >try.msg <<EOM
I've tried to compile and run a simple program with:

	$*
	./try

and I got the following output:

EOM
$cat > try.c <<'EOF'
#include <stdio.h>
main() { exit(0); }
EOF
dflt=y
if sh -c "$cc $optimize $ccflags $ldflags try.c -o try" >>try.msg 2>&1; then
	if sh -c './try' >>try.msg 2>&1; then
		dflt=n
	else
		echo "The program compiled OK, but exited with status $?." >>try.msg
		rp="You have a problem.  Shall I abort Configure"
		dflt=y
	fi
else
	echo "I can't compile the test program." >>try.msg
	rp="You have a BIG problem.  Shall I abort Configure"
	dflt=y
fi
case "$dflt" in
y)
	$cat try.msg
	case "$knowitall" in
	'')
		echo "(The supplied flags might be incorrect with this C compiler.)"
		;;
	*) dflt=n;;
	esac
	echo " "
	. ./myread
	case "$ans" in
	n*|N*) ;;
	*)	echo "Ok.  Stopping Configure." >&4
		exit 1
		;;
	esac
	;;
n) echo "OK, that should do.";;
esac
$rm -f try try.* core

: Initialize h_fcntl
h_fcntl=false

: Initialize h_sysfile
h_sysfile=false

: Set private lib path
case "$plibpth" in
'') if ./mips; then
		plibpth="$incpath/usr/lib /usr/local/lib /usr/ccs/lib"
	fi;;
esac
case "$libpth" in
' ') dlist='';;
'') dlist="$plibpth $glibpth";;
*) dlist="$libpth";;
esac

: Now check and see which directories actually exist, avoiding duplicates
libpth=''
for xxx in $dlist
do
    if $test -d $xxx; then
		case " $libpth " in
		*" $xxx "*) ;;
		*) libpth="$libpth $xxx";;
		esac
    fi
done
$cat <<'EOM'

Some systems have incompatible or broken versions of libraries.  Among
the directories listed in the question below, please remove any you
know not to be holding relevant libraries, and add any that are needed.
Say "none" for none.

EOM
case "$libpth" in
'') dflt='none';;
*)
	set X $libpth
	shift
	dflt=${1+"$@"}
	;;
esac
rp="Directories to use for library searches?"
. ./myread
case "$ans" in
none) libpth=' ';;
*) libpth="$ans";;
esac

: compute shared library extension
case "$so" in
'')
	if xxx=`./loc libc.sl X $libpth`; $test -f "$xxx"; then
		dflt='sl'
	else
		dflt='so'
	fi
	;;
*) dflt="$so";;
esac
$cat <<EOM

On some systems, shared libraries may be available.  Answer 'none' if
you want to suppress searching of shared libraries for the remaining
of this configuration.

EOM
rp='What is the file extension used for shared libraries?'
. ./myread
so="$ans"

: Looking for optional libraries
echo " "
echo "Checking for optional libraries..." >&4
case "$libs" in
' '|'') dflt='';;
*) dflt="$libs";;
esac
case "$libswanted" in
'') libswanted='c_s';;
esac
for thislib in $libswanted; do
	
	if xxx=`./loc lib$thislib.$so.[0-9]'*' X $libpth`; $test -f "$xxx"; then
		echo "Found -l$thislib (shared)."
		case " $dflt " in
		*"-l$thislib "*);;
		*) dflt="$dflt -l$thislib";;
		esac
	elif xxx=`./loc lib$thislib.$so X $libpth` ; $test -f "$xxx"; then
		echo "Found -l$thislib (shared)."
		case " $dflt " in
		*"-l$thislib "*);;
		*) dflt="$dflt -l$thislib";;
		esac
	elif xxx=`./loc lib$thislib.a X $libpth`; $test -f "$xxx"; then
		echo "Found -l$thislib."
		case " $dflt " in
		*"-l$thislib "*);;
		*) dflt="$dflt -l$thislib";;
		esac
	elif xxx=`./loc $thislib.a X $libpth`; $test -f "$xxx"; then
		echo "Found -l$thislib."
		case " $dflt " in
		*"-l$thislib "*);;
		*) dflt="$dflt -l$thislib";;
		esac
	elif xxx=`./loc lib${thislib}_s.a X $libpth`; $test -f "$xxx"; then
		echo "Found -l${thislib}_s."
		case " $dflt " in
		*"-l$thislib "*);;
		*) dflt="$dflt -l${thislib}_s";;
		esac
	elif xxx=`./loc Slib$thislib.a X $xlibpth`; $test -f "$xxx"; then
		echo "Found -l$thislib."
		case " $dflt " in
		*"-l$thislib "*);;
		*) dflt="$dflt -l$thislib";;
		esac
	else
		echo "No -l$thislib."
	fi
done
set X $dflt
shift
dflt="$*"
case "$libs" in
'') dflt="$dflt";;
*) dflt="$libs";;
esac
case "$dflt" in
' '|'') dflt='none';;
esac

$cat <<EOM
 
Some versions of Unix support shared libraries, which make executables smaller
but make load time slightly longer.

On some systems, mostly newer Unix System V's, the shared library is included
by putting the option "-lc_s" as the last thing on the cc command line when
linking.  Other systems use shared libraries by default.  There may be other
libraries needed to compile $package on your machine as well.  If your system
needs the "-lc_s" option, include it here.  Include any other special libraries
here as well.  Say "none" for none.
EOM

echo " "
rp="Any additional libraries?"
. ./myread
case "$ans" in
none) libs=' ';;
*) libs="$ans";;
esac

: see if nm is to be used to determine whether a symbol is defined or not
case "$usenm" in
'')
	dflt=`egrep 'inlibc|csym' ../Configure | wc -l 2>/dev/null`
	if $test $dflt -gt 20; then
		dflt=y
	else
		dflt=n
	fi
	;;
*)
	case "$usenm" in
	true) dflt=y;;
	*) dflt=n;;
	esac
	;;
esac
$cat <<EOM

I can use 'nm' to extract the symbols from your C libraries. This is a time
consuming task which may generate huge output on the disk (up to 3 megabytes)
but that should make the symbols extraction faster. The alternative is to skip
the 'nm' extraction part and to compile a small test program instead to
determine whether each symbol is present. If you have a fast C compiler and/or
if your 'nm' output cannot be parsed, this may be the best solution.

EOM
rp='Shall I use nm to extract C symbols from the libraries?'
. ./myread
case "$ans" in
n|N) usenm=false;;
*) usenm=true;;
esac

runnm=$usenm
case "$reuseval" in
true) runnm=false;;
esac

: nm options which may be necessary
case "$nm_opt" in
'') if $test -f /mach_boot; then
		nm_opt=''
	elif $test -d /usr/ccs/lib; then
		nm_opt='-p'
	elif $test -f /dgux; then
		nm_opt='-p'
	else
		nm_opt=''
	fi;;
esac

case "$runnm" in
true)
: get list of predefined functions in a handy place
echo " "
case "$libc" in
'') libc=unknown
	case "$libs" in
	*-lc_s*) libc=`./loc libc_s.a $libc $libpth`
	esac
	;;
esac
libnames='';
case "$libs" in
'') ;;
*)  for thislib in $libs; do
	case "$thislib" in
	-lc|-lc_s)
		: Handle C library specially below.
		;;
	-l*)
		thislib=`echo $thislib | $sed -e 's/^-l//'`
		if try=`./loc lib$thislib.$so.'*' X $libpth`; $test -f "$try"; then
			:
		elif try=`./loc lib$thislib.$so X $libpth`; $test -f "$try"; then
			:
		elif try=`./loc lib$thislib.a X $libpth`; $test -f "$try"; then
			:
		elif try=`./loc lib$thislib X $libpth`; $test -f "$try"; then
			:
		elif try=`./loc $thislib X $libpth`; $test -f "$try"; then
			:
		elif try=`./loc Slib$thislib.a X $xlibpth`; $test -f "$try"; then
			:
		else
			try=''
		fi
		libnames="$libnames $try"
		;;
	*) libnames="$libnames $thislib" ;;
	esac
	done
	;;
esac
xxx=normal
case "$libc" in
unknown)
	set /usr/ccs/lib/libc.$so
	$test -r $1 || set /usr/lib/libc.$so
	$test -r $1 || set /usr/shlib/libc.$so
	$test -r $1 || \
		set `echo blurfl; echo /usr/lib/libc.$so.[0-9]* | \
		tr ' ' '\012' | egrep -v '\.[A-Za-z]*$' | $sed -e '
			h
			s/[0-9][0-9]*/0000&/g
			s/0*\([0-9][0-9][0-9][0-9][0-9]\)/\1/g
			G
			s/\n/ /' | \
		 sort | $sed -e 's/^.* //'`
	eval set \$$#
	$test -r $1 || set /lib/libc.$so
	$test -r $1 || set /lib/libsys_s.a
	;;
*)
	set blurfl
	;;
esac
if $test -r "$1"; then
	echo "Your (shared) C library seems to be in $1."
	libc="$1"
elif $test -r /lib/libc && $test -r /lib/clib; then
	echo "Your C library seems to be in both /lib/clib and /lib/libc."
	xxx=apollo
	libc='/lib/clib /lib/libc'
	if $test -r /lib/syslib; then
		echo "(Your math library is in /lib/syslib.)"
		libc="$libc /lib/syslib"
	fi
elif $test -r "$libc" || (test -h "$libc") >/dev/null 2>&1; then
	echo "Your C library seems to be in $libc, as you said before."
elif $test -r $incpath/usr/lib/libc.a; then
	libc=$incpath/usr/lib/libc.a;
	echo "Your C library seems to be in $libc.  That's fine."
elif $test -r /lib/libc.a; then
	libc=/lib/libc.a;
	echo "Your C library seems to be in $libc.  You're normal."
else
	if tans=`./loc libc.a blurfl/dyick $libpth`; $test -r "$tans"; then
		:
	elif tans=`./loc libc blurfl/dyick $libpth`; $test -r "$tans"; then
		libnames="$libnames "`./loc clib blurfl/dyick $libpth`
	elif tans=`./loc clib blurfl/dyick $libpth`; $test -r "$tans"; then
		:
	elif tans=`./loc Slibc.a blurfl/dyick $xlibpth`; $test -r "$tans"; then
		:
	elif tans=`./loc Mlibc.a blurfl/dyick $xlibpth`; $test -r "$tans"; then
		:
	else
		tans=`./loc Llibc.a blurfl/dyick $xlibpth`
	fi
	if $test -r "$tans"; then
		echo "Your C library seems to be in $tans, of all places."
		libc=$tans
	else
		libc='blurfl'
	fi
fi
if $test $xxx = apollo -o -r "$libc" || (test -h "$libc") >/dev/null 2>&1; then
	dflt="$libc"
	cat <<EOM

If the guess above is wrong (which it might be if you're using a strange
compiler, or your machine supports multiple models), you can override it here.

EOM
else
	dflt=''
	echo $libpth | tr ' ' '\012' | sort | uniq > libpath
	cat >&4 <<EOM
I can't seem to find your C library.  I've looked in the following places:

EOM
	$sed 's/^/	/' libpath
	cat <<EOM

None of these seems to contain your C library. I need to get its name...

EOM
fi
fn=f
rp='Where is your C library?'
. ./getfile
libc="$ans"

echo " "
echo $libc $libnames | tr ' ' '\012' | sort | uniq > libnames
set X `cat libnames`
shift
xxx=files
case $# in 1) xxx=file; esac
echo "Extracting names from the following $xxx for later perusal:" >&4
echo " "
$sed 's/^/	/' libnames >&4
echo " "
$echo $n "This may take a while...$c" >&4

nm $nm_opt $* 2>/dev/null >libc.tmp
$echo $n ".$c"
$grep fprintf libc.tmp > libc.ptf
xscan='eval "<libc.ptf $com >libc.list"; $echo $n ".$c" >&4'
xrun='eval "<libc.tmp $com >libc.list"; echo "done" >&4'
xxx='[ADTSIW]'
if com="$sed -n -e 's/__IO//' -e 's/^.* $xxx  *_[_.]*//p' -e 's/^.* $xxx //p'";\
	eval $xscan;\
	$contains '^fprintf$' libc.list >/dev/null 2>&1; then
		eval $xrun
elif com="$sed -n -e 's/^__*//' -e 's/^\([a-zA-Z_0-9$]*\).*xtern.*/\1/p'";\
	eval $xscan;\
	$contains '^fprintf$' libc.list >/dev/null 2>&1; then
		eval $xrun
elif com="$sed -n -e '/|UNDEF/d' -e '/FUNC..GL/s/^.*|__*//p'";\
	eval $xscan;\
	$contains '^fprintf$' libc.list >/dev/null 2>&1; then
		eval $xrun
elif com="$sed -n -e 's/^.* D __*//p' -e 's/^.* D //p'";\
	eval $xscan;\
	$contains '^fprintf$' libc.list >/dev/null 2>&1; then
		eval $xrun
elif com="$sed -n -e 's/^_//' -e 's/^\([a-zA-Z_0-9]*\).*xtern.*text.*/\1/p'";\
	eval $xscan;\
	$contains '^fprintf$' libc.list >/dev/null 2>&1; then
		eval $xrun
elif com="$sed -n -e 's/^.*|FUNC |GLOB .*|//p'";\
	eval $xscan;\
	$contains '^fprintf$' libc.list >/dev/null 2>&1; then
		eval $xrun
elif com="$grep '|' | $sed -n -e '/|COMMON/d' -e '/|DATA/d' \
				-e '/ file/d' -e 's/^\([^ 	]*\).*/\1/p'";\
	eval $xscan;\
	$contains '^fprintf$' libc.list >/dev/null 2>&1; then
		eval $xrun
elif com="$sed -n -e 's/^.*|FUNC |GLOB .*|//p' -e 's/^.*|FUNC |WEAK .*|//p'";\
	eval $xscan;\
	$contains '^fprintf$' libc.list >/dev/null 2>&1; then
		eval $xrun
elif com="$sed -n -e 's/^__//' -e '/|Undef/d' -e '/|Proc/s/ .*//p'";\
	eval $xscan;\
	$contains '^fprintf$' libc.list >/dev/null 2>&1; then
		eval $xrun
elif com="$sed -n -e '/Def. Text/s/.* \([^ ]*\)\$/\1/p'";\
	eval $xscan;\
	$contains '^fprintf$' libc.list >/dev/null 2>&1; then
		eval $xrun
elif com="$sed -n -e 's/^[-0-9a-f ]*_\(.*\)=.*/\1/p'";\
	eval $xscan;\
	$contains '^fprintf$' libc.list >/dev/null 2>&1; then
		eval $xrun
else
	nm -p $* 2>/dev/null >libc.tmp
	$grep fprintf libc.tmp > libc.ptf
	if com="$sed -n -e 's/^.* [ADTSIW]  *_[_.]*//p' -e 's/^.* [ADTSIW] //p'";\
		eval $xscan; $contains '^fprintf$' libc.list >/dev/null 2>&1
	then
		nm_opt='-p'
		eval $xrun
	else
		echo " "
		echo "nm didn't seem to work right. Trying ar instead..." >&4
		com=''
		if ar t $libc > libc.tmp; then
			for thisname in $libnames; do
				ar t $thisname >>libc.tmp
			done
			$sed -e 's/\.o$//' < libc.tmp > libc.list
			echo "Ok." >&4
		else
			echo "ar didn't seem to work right." >&4
			echo "Maybe this is a Cray...trying bld instead..." >&4
			if bld t $libc | $sed -e 's/.*\///' -e 's/\.o:.*$//' > libc.list
			then
				for thisname in $libnames; do
					bld t $libnames | \
					$sed -e 's/.*\///' -e 's/\.o:.*$//' >>libc.list
					ar t $thisname >>libc.tmp
				done
				echo "Ok." >&4
			else
				echo "That didn't work either.  Giving up." >&4
				exit 1
			fi
		fi
	fi
fi
nm_extract="$com"
if $test -f /lib/syscalls.exp; then
	echo " "
	echo "Also extracting names from /lib/syscalls.exp for good ole AIX..." >&4
	$sed -n 's/^\([^ 	]*\)[ 	]*syscall$/\1/p' /lib/syscalls.exp >>libc.list
fi
;;
esac
$rm -f libnames libpath

: is a C symbol defined?
csym='tlook=$1;
case "$3" in
-v) tf=libc.tmp; tc=""; tdc="";;
-a) tf=libc.tmp; tc="[0]"; tdc="[]";;
*) tlook="^$1\$"; tf=libc.list; tc="()"; tdc="()";;
esac;
tx=yes;
case "$reuseval-$4" in
true-) ;;
true-*) tx=no; eval "tval=\$$4"; case "$tval" in "") tx=yes;; esac;;
esac;
case "$tx" in
yes)
	case "$runnm" in
	true)
		if $contains $tlook $tf >/dev/null 2>&1;
		then tval=true;
		else tval=false;
		fi;;
	*)
		echo "main() { extern short $1$tdc; printf(\"%hd\", $1$tc); }" > t.c;
		if $cc $ccflags $ldflags -o t t.c $libs >/dev/null 2>&1;
		then tval=true;
		else tval=false;
		fi;
		$rm -f t t.c;;
	esac;;
*)
	case "$tval" in
	$define) tval=true;;
	*) tval=false;;
	esac;;
esac;
eval "$2=$tval"'

: set up the script used to warn in case of inconsistency
cat <<'EOSC' >whoa
dflt=y
echo " "
echo "*** WHOA THERE!!! ***" >&4
echo "    The $hint value for \$$var on this machine was \"$was\"!" >&4
rp="    Keep the $hint value?"
. ./myread
case "$ans" in
y) td=$was; tu=$was;;
esac
EOSC

: define an is-in-libc? function
inlibc='echo " "; td=$define; tu=$undef;
sym=$1; var=$2; eval "was=\$$2";
tx=yes;
case "$reuseval$was" in
true) ;;
true*) tx=no;;
esac;
case "$tx" in
yes)
	set $sym tres -f;
	eval $csym;
	case "$tres" in
	true)
		echo "$sym() found." >&4;
		case "$was" in $undef) . ./whoa; esac; eval "$var=\$td";;
	*)
		echo "$sym() NOT found." >&4;
		case "$was" in $define) . ./whoa; esac; eval "$var=\$tu";;
	esac;;
*)
	case "$was" in
	$define) echo "$sym() found." >&4;;
	*) echo "$sym() NOT found." >&4;;
	esac;;
esac'

: determine filename position in cpp output
echo " "
echo "Computing filename position in cpp output for #include directives..." >&4
echo '#include <stdio.h>' > foo.c
$cat >fieldn <<EOF
$startsh
$cppstdin $cppflags $cppminus <foo.c 2>/dev/null | \
$grep '^[ 	]*#.*stdio\.h' | \
while read cline; do
	pos=1
	set \$cline
	while $test \$# -gt 0; do
		if $test -r \`echo \$1 | $tr -d '"'\`; then
			echo "\$pos"
			exit 0
		fi
		shift
		pos=\`expr \$pos + 1\`
	done
done
EOF
chmod +x fieldn
fieldn=`./fieldn`
$rm -f foo.c fieldn
case $fieldn in
'') pos='???';;
1) pos=first;;
2) pos=second;;
3) pos=third;;
*) pos="${fieldn}th";;
esac
echo "Your cpp writes the filename in the $pos field of the line."

: locate header file
$cat >findhdr <<EOF
$startsh
wanted=\$1
name=''
if test -f $usrinc/\$wanted; then
	echo "$usrinc/\$wanted"
	exit 0
fi
awkprg='{ print \$$fieldn }'
echo "#include <\$wanted>" > foo\$\$.c
$cppstdin $cppminus $cppflags < foo\$\$.c 2>/dev/null | \
$grep "^[ 	]*#.*\$wanted" | \
while read cline; do
	name=\`echo \$cline | $awk "\$awkprg" | $tr -d '"'\`
	case "\$name" in
	*/\$wanted) echo "\$name"; exit 0;;
	*) name='';;
	esac;
done;
$rm -f foo\$\$.c;
case "\$name" in
'') exit 1;;
esac
EOF
chmod +x findhdr

: access call always available on UNIX
set access d_access
eval $inlibc

: locate the flags for 'access()'
case "$d_access" in
"$define")
	echo " "
	$cat >access.c <<'EOCP'
#include <sys/types.h>
#ifdef I_FCNTL
#include <fcntl.h>
#endif
#ifdef I_SYS_FILE
#include <sys/file.h>
#endif
#ifdef I_UNISTD
#include <unistd.h>
#endif
main() {
	exit(R_OK);
}
EOCP
	: check sys/file.h first, no particular reason here
	if $test `./findhdr sys/file.h` && \
		$cc $cppflags -DI_SYS_FILE access.c -o access >/dev/null 2>&1 ; then
		h_sysfile=true;
		echo "<sys/file.h> defines the *_OK access constants." >&4
	elif $test `./findhdr fcntl.h` && \
		$cc $cppflags -DI_FCNTL access.c -o access >/dev/null 2>&1 ; then
		h_fcntl=true;
		echo "<fcntl.h> defines the *_OK access constants." >&4
	elif $test `./findhdr unistd.h` && \
		$cc $cppflags -DI_UNISTD access.c -o access >/dev/null 2>&1 ; then
		echo "<unistd.h> defines the *_OK access constants." >&4
	else
		echo "I can't find the four *_OK access constants--I'll use mine." >&4
	fi
	;;
esac
$rm -f access*

: define an alternate in-header-list? function
inhdr='echo " "; td=$define; tu=$undef; yyy=$@;
cont=true; xxf="echo \"<\$1> found.\" >&4";
case $# in 2) xxnf="echo \"<\$1> NOT found.\" >&4";;
*) xxnf="echo \"<\$1> NOT found, ...\" >&4";;
esac;
case $# in 4) instead=instead;; *) instead="at last";; esac;
while $test "$cont"; do
	xxx=`./findhdr $1`
	var=$2; eval "was=\$$2";
	if $test "$xxx" && $test -r "$xxx";
	then eval $xxf;
	eval "case \"\$$var\" in $undef) . ./whoa; esac"; eval "$var=\$td";
		cont="";
	else eval $xxnf;
	eval "case \"\$$var\" in $define) . ./whoa; esac"; eval "$var=\$tu"; fi;
	set $yyy; shift; shift; yyy=$@;
	case $# in 0) cont="";;
	2) xxf="echo \"but I found <\$1> $instead.\" >&4";
		xxnf="echo \"and I did not find <\$1> either.\" >&4";;
	*) xxf="echo \"but I found <\$1\> instead.\" >&4";
		xxnf="echo \"there is no <\$1>, ...\" >&4";;
	esac;
done;
while $test "$yyy";
do set $yyy; var=$2; eval "was=\$$2";
	eval "case \"\$$var\" in $define) . ./whoa; esac"; eval "$var=\$tu";
	set $yyy; shift; shift; yyy=$@;
done'

: see if alloca exists
set alloca d_alloca
eval $inlibc

set alloca.h i_alloca
eval $inhdr

: see if alphasort exists
set alphasort d_alphasort
eval $inlibc

: see if bcopy exists
set bcopy d_bcopy
eval $inlibc

: see if bzero exists
set bzero d_bzero
eval $inlibc

$cat <<EOM

I added a patch from Alberto Accomazzi for speeding up usage of
synonym files. He writes about his patch:

For those of you who have fairly large synonym files (> 10Kb) and are
running the software on a machine that supports shared memory (your
machine does) enabling this feature will speed up the waisserver
response time by a significant factor.

For those of you who do not have shared memory, I have rewritten the
memory allocation part of synonym.c so that bigger memory chunks are
allocated and used rather than allocating memory for each word and
synonym, so the code should be a little faster for you too.

EOM
cont=x
case "$d_cache_syn" in
    $define) d_cache_syn='y';;
    $undef) d_cache_syn='n';;
esac
while test "$cont"; do
    case "$d_cache_syn" in
        '') dflt="n";;
        *) dflt="$d_cache_syn";;
    esac
    rp='Do you want to use shm cache?';
    . ./myread
    d_cache_syn="$ans"
    case "$d_cache_syn" in
        'y') cont='';;
        'n') cont='';;
        *) echo "Please answer 'y' or 'n'";;
    esac
done

case "$d_cache_syn" in
    'y') d_cache_syn=$define;;
    'n') d_cache_syn=$undef;;
esac

d_compiler_version=`$cc -v 2>&1 | sed -n -e '/version/ p' -e '/version/ q'`
if test "$d_compiler_version" = "" ; then
   d_compiler_version=$cc
fi
d_compiler_version="\"$d_compiler_version\"";

: function used to set $1 to $val
setvar='var=$1; eval "was=\$$1"; td=$define; tu=$undef;
case "$val$was" in
$define$undef) . ./whoa; eval "$var=\$td";;
$undef$define) . ./whoa; eval "$var=\$tu";;
*) eval "$var=$val";;
esac'

: check for const keyword
echo " "
echo 'Checking to see if your C compiler knows about "const"...' >&4
$cat >const.c <<'EOCP'
typedef struct spug { int drokk; } spug;
main()
{
	const char *foo;
	const spug y;
}
EOCP
if $cc -c $ccflags const.c >/dev/null 2>&1 ; then
	val="$define"
	echo "Yup, it does."
else
	val="$undef"
	echo "Nope, it doesn't."
fi
set d_const
eval $setvar

$cat <<EOM

You can compile freeWAIS-sf with it's own ctype package. You should do
this, if you want to use special (country specific) chars, which are
not supported by your systems ctype.

EOM
cont=x
case "$d_myctype" in
    $define) d_myctype='n';;
    $undef)  d_myctype='y';;
esac
while test "$cont"; do
    case "$d_myctype" in
        '') dflt="n";;
        *) dflt="$d_myctype";;
    esac
    rp='Use your systems ctype?'
    . ./myread
    d_myctype="$ans"
    case "$d_myctype" in
        'y') cont='';;
        'n') cont='';;
        *) echo "Please answer 'y' or 'n'";;
    esac
done

case "$d_myctype" in
    'y') d_myctype=$undef;;
    'n') d_myctype=$define;
    ctypedir='$(TOP)/ctype';
    ctypeobj="$ctypedir/ctype.o";
    ctypeinc="-I$ctypedir"
    echo ""
    echo "Ok, will use my own ctype";
$cat <<EOM

I will now ask for your special letters.  If you do not want to give
the now, edit config.h after this Configure run. Input your upper case
letters in the same order than your lower case letters. toupper() and
tolower() depend on this order. Input letters which are upper and
lower case in both strings.

Since the string entered will be enclosed by single quotes ("'"),you
cannot enter them here. Please edit LCHARS and UCHARS in config.h
after this Configure run.

EOM
case "$lchars" in 
    \"*\") eval "dflt=$lchars";;
    *) dflt="";;
esac
rp='What are your lower case letters?';
. ./myread
lchars=\"$ans\"
case "$uchars" in 
    \"*\") eval "dflt=$uchars";;
    *) dflt="";
esac
rp='What are your upper case letters?';
. ./myread
uchars=\"$ans\"
esac

d_ctypevar=$undef;
cont=`./findhdr ctype.h`;
echo "looking in $cont with $contains";
if $contains '\<_ctype_\>' $cont >/dev/null 2>&1; then
    d_ctypevar=$define;
fi

: see if this is a dirent system
echo " "
if xinc=`./findhdr dirent.h`; $test "$xinc"; then
	val="$define"
	echo "<dirent.h> found." >&4
else
	val="$undef"
	if xinc=`./findhdr sys/dir.h`; $test "$xinc"; then
		echo "<sys/dir.h> found." >&4
		echo " "
	else
		xinc=`./findhdr sys/ndir.h`
	fi
	echo "<dirent.h> NOT found." >&4
fi
set i_dirent
eval $setvar

: Look for type of directory structure.
echo " "
$cppstdin $cppflags $cppminus < "$xinc" > try.c

case "$direntrytype" in
''|' ')
	case "$i_dirent" in
	$define) guess1='struct dirent' ;;
	*) guess1='struct direct'  ;;
	esac
	;;
*)	guess1="$direntrytype"
	;;
esac

case "$guess1" in
'struct dirent') guess2='struct direct' ;;
*) guess2='struct dirent' ;;
esac
		
if $contains "$guess1" try.c >/dev/null 2>&1; then
	direntrytype="$guess1"
	echo "Your directory entries are $direntrytype." >&4
elif $contains "$guess2" try.c >/dev/null 2>&1; then
	direntrytype="$guess2"
	echo "Your directory entries seem to be $direntrytype." >&4
else
	echo "I don't recognize your system's directory entries." >&4
	rp="What type is used for directory entries on this system?"
	dflt="$guess1"
	. ./myread
	direntrytype="$ans"
fi
$rm -f try.c


: see if the directory entry stores field length
echo " "
$cppstdin $cppflags $cppminus < "$xinc" > try.c
if $contains 'd_namlen' try.c >/dev/null 2>&1; then
	echo "Good, your directory entry keeps length information in d_namlen." >&4
	val="$define"
else
	echo "Your directory entry does not know about the d_namlen field." >&4
	val="$undef"
fi
set d_dirnamlen
eval $setvar
$rm -f try.c

echo "Checking if we need a extern declaration for sys_errlist ..." >&4
$cat >try.c <<'EOCP'
main() 
{
  printf("Error %s", sys_errlist[errno]);
  exit(0);
}
EOCP
if $cc $ccflags try.c -o try >/dev/null 2>&1; then
    d_extern_sys_errlist=$undef
else
    d_extern_sys_errlist=$define
fi
$rm -f try.c try

: see if gethostent exists
set gethostent d_gethent
eval $inlibc

: see if getpwuid exists
set getpwuid d_getpwuid
eval $inlibc

: see if getwd exists
echo " "
if set getwd val -f d_getwd; eval $csym; $val; then
	echo 'getwd() found.' >&4
	val="$define"
else
	echo 'getwd() not found. Assuming getcwd() exists.' >&4
	val="$undef"
fi
set d_getwd
eval $setvar

$cat <<EOM

Waisindex will generate <database>.hl files which will contain all
headlines of a WAIS database. Normally the offset in the file is
stored as tree byte integer. This confines the size of the file to
16MB.  If you want, you can have four byte offset.

EOM
cont=x
case "$d_huge_headlines" in
    $define) d_huge_headlines='y';;
    $undef) d_huge_headlines='n';;
esac
while test "$cont"; do
    case "$d_huge_headlines" in
        '') dflt="n";;
        *) dflt="$d_huge_headlines";;
    esac
    rp='Will you have HEADLINE files greater than 16 MB';
    . ./myread
    d_huge_headlines="$ans"
    case "$d_huge_headlines" in
        'y') cont='';;
        'n') cont='';;
        *) echo "Please answer 'y' or 'n'";;
    esac
done

case "$d_huge_headlines" in
    'y') d_huge_headlines=$define;
        testdir='FIELD-EXAMPLE';;
    'n') d_huge_headlines=$undef;
esac

: see which of string.h or strings.h is needed
echo " "
strings=`./findhdr string.h`
if $test "$strings" && $test -r "$strings"; then
	echo "Using <string.h> instead of <strings.h>." >&4
	val="$define"
else
	val="$undef"
	strings=`./findhdr strings.h`
	if $test "$strings" && $test -r "$strings"; then
		echo "Using <strings.h> instead of <string.h>." >&4
	else
		echo "No string header found -- You'll surely have problems." >&4
	fi
fi
set i_string
eval $setvar
case "$i_string" in
"$undef") strings=`./findhdr strings.h`;;
*)	  strings=`./findhdr string.h`;;
esac

: index or strchr
echo " "
if set index val -f; eval $csym; $val; then
	if set strchr val -f d_strchr; eval $csym; $val; then
		if $contains strchr "$strings" >/dev/null 2>&1 ; then
			val="$define"
			vali="$undef"
			echo "strchr() found." >&4
		else
			val="$undef"
			vali="$define"
			echo "index() found." >&4
		fi
	else
		val="$undef"
		vali="$define"
		echo "index() found." >&4
	fi
else
	if set strchr val -f d_strchr; eval $csym; $val; then
		val="$define"
		vali="$undef"
		echo "strchr() found." >&4
	else
		echo "No index() or strchr() found!" >&4
		val="$undef"
		vali="$undef"
	fi
fi
set d_strchr; eval $setvar
val="$vali"
set d_index; eval $setvar

$cat <<EOM

You can compile and link the clients with the capability to search
index files directely. So you need not to install a server, for local
searches. The clients will be greater, but faster with local searches.

EOM
cont=x
case "$d_local_search" in
    $define) d_local_search='y';;
    $undef) d_local_search='n';;
esac
while test "$cont"; do
    case "$d_local_search" in
        '') dflt="y";;
        *) dflt="$d_local_search";;
    esac
    rp='Do you want to compile with -DLOCAL_SEARCH?';
    . ./myread
    d_local_search="$ans"
    case "$d_local_search" in
        'y') cont='';;
        'n') cont='';;
        *) echo "Please answer 'y' or 'n'";;
    esac
done

case "$d_local_search" in
    'y') d_local_search=$define;
        testdir='FIELD-EXAMPLE';;
    'n') d_local_search=$undef;
    $cat <<EOM
Ok, will compile with no -DLOCAL_SEARCH switch
Note: You will have to run the tests manually:
      cd FIELD-EXAMPLE
      ../ir/waisserver -d . -p 9565
EOM
      waissearch_args="-h localhost -p 9565";;
esac

: see if memmove exists
set memmove d_memmove
eval $inlibc

echo "Checking if your systems regexp implementation works ..." >&4
$cat >try.c <<'EOCP'
#define INIT register char *regexp =instring;
#define GETC() (*regexp++)
#define PEEKC() (*regexp)
#define UNGETC(c) (regexp--)
#define RETURN(pointer) return(0);          /* return 0 on sucess */
#define ERROR(val) return((char *) val);    /* return error code on failure */
#include <regexp.h>
main()
{
        circf = 1;
        exit(0);
}
EOCP
if $cc $ccflags try.c -o try >/dev/null 2>&1; then
    echo "Yes, it works"
    cont=x
    case "$d_myregexp" in
        $define) d_myregexp='n';;
        $undef) d_myregexp='y';;
    esac
    while test "$cont"; do
        case "$d_myregexp" in
            '') dflt="n";;
            *) dflt="$d_myregexp";;
        esac
        rp='Do you want to use your systems regexp.h?';
        . ./myread
        d_myregexp="$ans"
        case "$d_myregexp" in
            'y') cont='';;
            'n') cont='';;
            *) echo "Please answer 'y' or 'n'";;
        esac
    done

    case "$d_myregexp" in
        'n') d_myregexp=$define;
             regexpdir='$(TOP)/regexp';
             regexplib="$regexpdir/libregexp.a";;
        'y') d_myregexp=$undef;;
    esac
else
    echo "Nope, does not work"
    d_myregexp=$define;
    regexpdir='$(TOP)/regexp';
    regexplib="$regexpdir/libregexp.a";
fi
$rm -f try.c try

: Locate the flags for 'open()'
echo " "
$cat >open3.c <<'EOCP'
#include <sys/types.h>
#ifdef I_FCNTL
#include <fcntl.h>
#endif
#ifdef I_SYS_FILE
#include <sys/file.h>
#endif
main() {
	if(O_RDONLY);
#ifdef O_TRUNC
	exit(0);
#else
	exit(1);
#endif
}
EOCP
: check sys/file.h first to get FREAD on Sun
if $test `./findhdr sys/file.h` && \
		$cc $cppflags "-DI_SYS_FILE" open3.c -o open3 >/dev/null 2>&1 ; then
	h_sysfile=true;
	echo "<sys/file.h> defines the O_* constants..." >&4
	if ./open3; then
		echo "and you have the 3 argument form of open()." >&4
		val="$define"
	else
		echo "but not the 3 argument form of open().  Oh, well." >&4
		val="$undef"
	fi
elif $test `./findhdr fcntl.h` && \
		$cc "-DI_FCNTL" open3.c -o open3 >/dev/null 2>&1 ; then
	h_fcntl=true;
	echo "<fcntl.h> defines the O_* constants..." >&4
	if ./open3; then
		echo "and you have the 3 argument form of open()." >&4
		val="$define"
	else
		echo "but not the 3 argument form of open().  Oh, well." >&4
		val="$undef"
	fi
else
	val="$undef"
	echo "I can't find the O_* constant definitions!  You got problems." >&4
fi
set d_open3
eval $setvar
$rm -f open3*

$cat <<EOM

This version of freeWAIS-sf supports new proximity operators by Tom
Snee.  He also fixed the string search code.  You can now enable them
at the cost of dropping the string search capability. There is
currently no description of the proximity operators.  Have a look in
ir/query_l.l to learn about them.

EOM
cont=x
case "$d_proximity" in
    $define) d_proximity='y';;
    $undef) d_proximity='n';;
esac
while test "$cont"; do
    case "$d_proximity" in
        '') dflt="n";;
        *) dflt="$d_proximity";;
    esac
    rp='Use proximity instead of string search?'
    . ./myread
    d_proximity="$ans"
    case "$d_proximity" in
        'y') cont='';;
        'n') cont='';;
        *) echo "Please answer 'y' or 'n'";;
    esac
done

case "$d_proximity" in
    'y') d_proximity=$define;;
    'n') d_proximity=$undef;;
esac

: see if remove exists
set remove d_remove
eval $inlibc

: can bcopy handle overlapping blocks?
val="$undef"
case "$d_bcopy" in
"$define")
	echo " "
	echo "Checking to see if your bcopy() can do overlapping copies..." >&4
	$cat >foo.c <<'EOCP'
main()
{
char buf[128], abc[128];
char *b;
int len;
int off;
int align;

bcopy("abcdefghijklmnopqrstuvwxyz0123456789", abc, 36);

for (align = 7; align >= 0; align--) {
	for (len = 36; len; len--) {
		b = buf+align;
		bcopy(abc, b, len);
		for (off = 1; off <= len; off++) {
			bcopy(b, b+off, len);
			bcopy(b+off, b, len);
			if (bcmp(b, abc, len))
				exit(1);
		}
	}
}
exit(0);
}
EOCP
	if $cc $ccflags $ldflags foo.c -o safebcpy $libs >/dev/null 2>&1; then
		if ./safebcpy 2>/dev/null; then
			echo "Yes, it can."
			val="$define"
		else
			echo "It can't, sorry."
		fi
	else
		echo "(I can't compile the test program, so we'll assume not...)"
	fi
	;;
esac
$rm -f foo.* safebcpy core
set d_safebcpy
eval $setvar

: see if memcpy exists
set memcpy d_memcpy
eval $inlibc

: can memcpy handle overlapping blocks?
val="$undef"
case "$d_memcpy" in
"$define")
	echo " "
	echo "Checking to see if your memcpy() can do overlapping copies..." >&4
	$cat >foo.c <<'EOCP'
main()
{
char buf[128], abc[128];
char *b;
int len;
int off;
int align;

memcpy(abc, "abcdefghijklmnopqrstuvwxyz0123456789", 36);

for (align = 7; align >= 0; align--) {
	for (len = 36; len; len--) {
		b = buf+align;
		memcpy(b, abc, len);
		for (off = 1; off <= len; off++) {
			memcpy(b+off, b, len);
			memcpy(b, b+off, len);
			if (memcmp(b, abc, len))
				exit(1);
		}
	}
}
exit(0);
}
EOCP
	if $cc $ccflags $ldflags foo.c -o safemcpy $libs >/dev/null 2>&1; then
		if ./safemcpy 2>/dev/null; then
			echo "Yes, it can."
			val="$define"
		else
			echo "It can't, sorry."
		fi
	else
		echo "(I can't compile the test program, so we'll assume not...)"
	fi
	;;
esac
$rm -f foo.* safemcpy core
set d_safemcpy
eval $setvar

: see if scandir exists
set scandir d_scandir
eval $inlibc

: see if strcspn exists
set strcspn d_strcspn
eval $inlibc

: see if strdup exists
set strdup d_strdup
eval $inlibc

: see if strerror and/or sys_errlist[] exist
echo " "
if set strerror val -f d_strerror; eval $csym; $val; then
	echo 'strerror() found.' >&4
	d_strerror="$define"
	d_strerrm='strerror(e)'
	if set sys_errlist val -a d_syserrlst; eval $csym; $val; then	
		echo "(You also have sys_errlist[], so we could roll our own strerror.)" 
		d_syserrlst="$define"
	else
	echo "(Since you don't have sys_errlist[], sterror() is welcome.)"
		d_syserrlst="$undef"
	fi
elif xxx=`./findhdr string.h`; test "$xxx" || xxx=`./findhdr strings.h`; \
	$contains '#[ 	]*define.*strerror' "$xxx" >/dev/null 2>&1; then
	echo 'strerror() found in string header.' >&4
	d_strerror="$define"
	d_strerrm='strerror(e)'
	if set sys_errlist val -a d_syserrlst; eval $csym; $val; then	
		echo "(Most probably, strerror() uses sys_errlist[] for descriptions.)"
		d_syserrlst="$define"
	else
		echo "(You don't appear to have any sys_errlist[], how can this be?)"
		d_syserrlst="$undef"
	fi
elif set sys_errlist val -a d_syserrlst; eval $csym; $val; then
echo "strerror() not found, but you have sys_errlist[] so we'll use that." >&4
	d_strerror="$undef"
	d_syserrlst="$define"
	d_strerrm='((e)<0||(e)>=sys_nerr?"unknown":sys_errlist[e])'
else
	echo 'strerror() and sys_errlist[] NOT found.' >&4
	d_strerror="$undef"
	d_syserrlst="$undef"
	d_strerrm='"unknown"'
fi

: see if syslog is available
echo " "
if $test `./findhdr syslog.h` && \
	(set syslog val -f d_syslog; eval $csym; $val); then
	echo "syslog() found." >&4
	val="$define"
	syslogc=''
	syslogo=''
else
	echo "syslog() not found in your C library--using ./syslog.c." >&4
	val="$undef"
	syslogc='syslog.c'
	syslogo='syslog.o'
fi
set d_syslog
eval $setvar

: set the base revision
baserev=2.0

: get the patchlevel
echo " "
echo "Getting the current patchlevel..." >&4
if $test -r ../patchlevel.h;then
	patchlevel=`awk '/PATCHLEVEL/ {print $3}' < ../patchlevel.h`
else
	patchlevel=0
fi
echo "(You have $package $baserev PL$patchlevel.)"

echo "Checking what version you are using ..." >&4
case "$d_proximity" in
    $define) 
    d_version_string="\"freeWAIS-sf $baserev PL $patchlevel proximity\""
    ;;
    $undef) 
    d_version_string="\"freeWAIS-sf $baserev PL $patchlevel string\""
    ;;
esac

echo "You build $d_version_string";


$cat <<EOM

As distributed, freeWAIS-sf will send an UDP packet to my workstation
every time waisserver reindexes his info database, containing your
(numeric) UID, your operating system, your compiler version and the
freeWAIS-sf version.

This is JUST because I would like to get an idea of to which
systems/compilers $d_version_string has be ported and how many people
use it, and keep on using it (rather than "tried it once" folks).  It
will NEVER become a licensing scheme or some crazy thing like that.
But, you can disable it by answering 'yes' to the following question.
If you do that, please let me know, if you are running freeWAIS-sf on
a system/compiler, which is not mentioned in the FAQ.

EOM
cont=x
case "$d_udping" in
    $define) d_udping='y';;
    $undef) d_udping='n';;
esac
while test "$cont"; do
    case "$d_udping" in
        '') dflt="n";;
        *) dflt="$d_udping";;
    esac
    rp='Disable the UDP packet sending?';
    . ./myread
    d_udping="$ans"
    case "$d_udping" in
        'y') cont='';;
        'n') cont='';;
        *) echo "Please answer 'y' or 'n'";;
    esac
done

case "$d_udping" in
    'y') d_udping=$define;;
    'n') d_udping=$undef;;
esac

case "$zcat" in
        '') d_uncompressor=\"zcat\";;
        *)  d_uncompressor=\"$zcat\";;
esac

case "$gzcat" in
        '') d_unzipper=\"gzcat\";;
        *)  d_unzipper=\"$gzcat\";;
esac

$cat <<EOM

You can modify the URL document type, to put the URL of the indexed in
the document id instead of the headline. If you use this modification
you can customize the headline (e.g. with the -t fields option). Also
it is not required to keep a copy of the documents for retrieval with
the wais server. But currently only SFgate can handle this modified
docids. Normal clients will not correctely interprete the docids and
try to retrieve the document from a wais instead of the correspondig
http server.

EOM
cont=x
case "$d_urldocid" in
    $define) d_urldocid='y';;
    $undef) d_urldocid='n';;
esac
while test "$cont"; do
    case "$d_urldocid" in
        '') dflt="y";;
        *) dflt="$d_urldocid";;
    esac
    rp='Do you want to use the modified URL handling?';
    . ./myread
    d_urldocid="$ans"
    case "$d_urldocid" in
        'y') cont='';;
        'n') cont='';;
        *) echo "Please answer 'y' or 'n'";;
    esac
done

case "$d_urldocid" in
    'y') d_urldocid=$define;;
    'n') d_urldocid=$undef;;
esac

: check for volatile keyword
echo " "
echo 'Checking to see if your C compiler knows about "volatile"...' >&4
$cat >try.c <<'EOCP'
main()
{
	typedef struct _goo_struct goo_struct;
	goo_struct * volatile goo = ((goo_struct *)0);
	struct _goo_struct {
		long long_int;
		int reg_int;
		char char_var;
	};
	typedef unsigned short foo_t;
	char *volatile foo;
	volatile int bar;
	volatile foo_t blech;
	foo = foo;
}
EOCP
if $cc -c $ccflags try.c >/dev/null 2>&1 ; then
	val="$define"
	echo "Yup, it does."
else
	val="$undef"
	echo "Nope, it doesn't."
fi
set d_volatile
eval $setvar
$rm -f try.*

: see if vprintf exists
echo " "
if set vprintf val -f d_vprintf; eval $csym; $val; then
	echo 'vprintf() found.' >&4
	val="$define"
	$cat >vprintf.c <<'EOF'
#include <varargs.h>

main() { xxx("foo"); }

xxx(va_alist)
va_dcl
{
	va_list args;
	char buf[10];

	va_start(args);
	exit((unsigned long)vsprintf(buf,"%s",args) > 10L);
}
EOF
	if $cc $ccflags vprintf.c -o vprintf >/dev/null 2>&1 && ./vprintf; then
		echo "Your vsprintf() returns (int)." >&4
		val2="$undef"
	else
		echo "Your vsprintf() returns (char*)." >&4
		val2="$define"
	fi
else
	echo 'vprintf() NOT found.' >&4
		val="$undef"
		val2="$undef"
fi
set d_vprintf
eval $setvar
val=$val2
set d_charvspr
eval $setvar

: preserve RCS keywords in files with variable substitution, grrr
Header='$Header'
Id='$Id'
Log='$Log'

: check for ordering of bytes in a long
case "$byteorder" in
'')
	$cat <<'EOM'
  
In the following, larger digits indicate more significance.  A big-endian
machine like a Pyramid or a Motorola 680?0 chip will come out to 4321. A
little-endian machine like a Vax or an Intel 80?86 chip would be 1234. Other
machines may have weird orders like 3412.  A Cray will report 87654321. If
the test program works the default is probably right.
I'm now running the test program...
EOM
	$cat >try.c <<'EOCP'
#include <stdio.h>
main()
{
	int i;
	union {
		unsigned long l;
		char c[sizeof(long)];
	} u;

	if (sizeof(long) > 4)
		u.l = (0x08070605L << 32) | 0x04030201L;
	else
		u.l = 0x04030201L;
	for (i = 0; i < sizeof(long); i++)
		printf("%c", u.c[i]+'0');
	printf("\n");
}
EOCP
	if $cc $ccflags try.c -o try >/dev/null 2>&1 ; then
		dflt=`./try`
		case "$dflt" in
		????|????????) echo "(The test program ran ok.)";;
		*) echo "(The test program didn't run right for some reason.)";;
		esac
	else
		dflt='4321'
		cat <<'EOM'
(I can't seem to compile the test program.  Guessing big-endian...)
EOM
	fi
	;;
*)
	echo " "
	dflt="$byteorder"
	;;
esac
rp="What is the order of bytes in a long?"
. ./myread
byteorder="$ans"
$rm -f try.c try

: locate a BSD compatible install program
echo " "
echo "Looking for a BSD-compatible install program..." >&4
creatdir=''
case "$install" in
'')
	tryit=''
	for dir in $pth; do
		for file in ginstall installbsd scoinst install; do
			if $test -f $dir/$file; then
				tryit="$tryit $dir/$file"
			fi
		done
	done
	$cat >try.c <<EOC
main()
{
	printf("OK\n");
	exit(0);
}
EOC
	if $cc try.c -o try >/dev/null 2>&1; then
		cp try try.ns
		strip try >/dev/null 2>&1
	else
		echo "(I can't seem to compile a trivial C program -- bypassing.)"
		echo "try" >try
		cp try try.ns
	fi
	$cat >tryinst <<EOS
$startsh
$rm -rf foo d
\$1 -d foo/bar
$mkdir d
\$1 -c -m 764 try.ns d
\$1 -c -s -m 642 try.ns d/try
EOS
	chmod +x tryinst
	$eunicefix tryinst
	dflt=''
	either=''
	for prog in $tryit; do
		$echo $n "Checking $prog... $c"
		./tryinst $prog >/dev/null 2>&1
		if $test -d foo/bar; then
			creatdir="$prog -d"
		fi
		(ls -l d/try >try.ls; ls -l d/try.ns >tryno.ls) 2>/dev/null
		if (cmp -s d/try try && cmp -s d/try.ns try.ns && \
			$contains 'rwxrw-r--' tryno.ls && \
			$contains 'rw-r---w-' try.ls) >/dev/null 2>&1
		then
			dflt="$prog"
			echo "ok, that will do."
			break
		fi
		echo "not good$either."
		either=' either'
		$rm -f try*.ls
	done
	$rm -rf foo d tryinst try try*.ls try.*
	case "$dflt" in
	'')
		echo "Hopefully, $package comes with its own install script!"
		dflt='./install'
		;;
	esac
	;;
*) dflt="$install";;
esac
$cat <<EOM

I will be requiring a BSD-compatible install program (one that allows
options like -s to strip executables or -m to specify a file mode) to
install $package.

If the question below contains a fully qualified default path, then it
is probably ok. If it is an unqualified name such as 'install', then it
means I was unable to find out a good install program I could use. If
you know of one, please tell me about it. If the default is './install',
then I shall be using the install script supplied with $package.

EOM
fn='/fe~(install,./install)'
rp='Which install program shall I use?'
. ./getfile
install="$ans"

: how can we create nested directories?
echo " "
echo "Ok, let's see how we can create nested directories..." >&4
case "$installdir" in
'')
	case "$creatdir" in
	'')
		$mkdir -p foo/bar >/dev/null 2>&1
		if $test -d foo/bar; then
			echo "Great, we can build them using 'mkdir -p'."
			creatdir='mkdir -p'
		elif eval "$install -d foo/bar"; $test -d foo/bar; then
			creatdir="install -d"
			echo "It looks like '$creatdir' will do it for us."
		fi
		;;
	*)
		eval "$creatdir foo/bar" >/dev/null 2>&1
		if $test -d foo/bar; then
			echo "Ah! We can use '$creatdir' to do just that."
		fi
		;;
	esac
	$rm -rf foo
	case "$creatdir" in
	'')
		echo "Heck! Another ancient system lacking the comfort of modern ones!"
		echo "You can thank $package for bringing you its own install script!"
		installdir='./install -d'
		;;
	*) installdir="$creatdir";;
	esac
	;;
*) echo "As you already told me, '$installdir' should work.";;
esac

: check for length of integer
echo " "
case "$intsize" in
'')
	echo "Checking to see how big your integers are..." >&4
	$cat >try.c <<'EOCP'
#include <stdio.h>
main()
{
	printf("%d\n", sizeof(int));
}
EOCP
	if $cc $ccflags try.c -o try >/dev/null 2>&1 ; then
		dflt=`./try`
	else
		dflt='4'
		echo "(I can't seem to compile the test program.  Guessing...)"
	fi
	;;
*)
	dflt="$intsize"
	;;
esac
rp="What is the size of an integer (in bytes)?"
. ./myread
intsize="$ans"
$rm -f try.c try

: determine lexical analyser generator
case "$lex" in
'')
	dflt=lex;;
*)
	dflt="$lex";;
esac
echo " "
if $test -f "$flex"; then
	rp='Which lexical analyser generator (lex or flex) shall I use?'
else
	rp='Which lexical analyser generator shall I use?'
fi
. ./myread
lex="$ans"

: check for length of long
echo " "
case "$longsize" in
'')
	echo "Checking to see how big your long integers are..." >&4
	$cat >try.c <<'EOCP'
#include <stdio.h>
main()
{
	printf("%d\n", sizeof(long));
}
EOCP
	if $cc $ccflags try.c -o try >/dev/null 2>&1 ; then
		dflt=`./try`
	else
		dflt='4'
		echo "(I can't seem to compile the test program.  Guessing...)"
	fi
	;;
*)
	dflt="$longsize"
	;;
esac
rp="What is the size of a long integer (in bytes)?"
. ./myread
longsize="$ans"
$rm -f try.c try

: find out how to generate dependencies
echo " "
echo "Checking how to generate makefile dependencies on your machine..." >&4
toplev=`cd ..;pwd`
$cat >dep.c <<'EOCP'
#include "dep.h"
EOCP
$cat >dep.h <<'EOCP'

EOCP
takeflags='flags=""
case "$@" in
*--*)
	for arg
	do
		shift
		case "$arg" in
		--) break;;
		*) flags="$flags $arg";;
		esac
	done;;
esac'
case "$mkdep" in
'')
	;;
*)
	if test -x "$mkdep" &&
		$mkdep dep.c >dep.out 2>/dev/null &&
		$contains 'dep\.o:.*dep\.h' dep.out >/dev/null 2>&1
	then
		echo "$mkdep works."
	else
		mkdep=
	fi
esac

case "$mkdep" in
'')
	$spitshell > ../mkdep <<EOM
$startsh
$takeflags
for srcfile
do
	$cpp -M -I. $cppflags \$flags \$srcfile 2>/dev/null
done
exit 0
EOM
	mkdep=$toplev/mkdep
	chmod +x $mkdep
	$eunicefix $mkdep
	if $mkdep dep.c >dep.out 2>/dev/null &&
		$contains 'dep\.o:.*dep\.h' dep.out >/dev/null 2>&1
	then
		echo "Looks like we can use $cpp -M."
	else
		mkdep=
	fi
	;;
esac

case "$mkdep" in
'')
	$spitshell > ../mkdep <<EOM
$startsh
$takeflags
for srcfile
do
	$cc -MM -I. $cppflags \$flags \$srcfile 2>/dev/null
done
exit 0
EOM
	mkdep=$toplev/mkdep
	chmod +x $mkdep
	$eunicefix $mkdep
	if $mkdep dep.c >dep.out 2>/dev/null &&
		$contains 'dep.o: dep.h' dep.out >/dev/null 2>&1
	then
		echo "Looks like we can use $cc -MM."
	else
		mkdep=
	fi
	;;
esac

case "$mkdep" in
'')
	$spitshell >../mkdep <<EOS
$startsh
$takeflags
for srcfile
do
	case "\$srcfile" in
	*.c) c='.c';;
	*.y) c='.y';;
	*.l) c='.l';;
	esac
	filebase=\`basename \$srcfile \$c\`
	<\$srcfile $cpp $cppminus $cppflags -I. \$flags 2>/dev/null | \\
	$sed -e '/^# *[0-9]/!d' \\
		-e 's/^.*"\(.*\)".*\$/'\$filebase'.o: \1/' \\
		-e 's|: \./|: |' \\
		-e 's|: *$|: '\$srcfile'|' | \\
	$grep -v '^#' | $sort | $uniq
done
exit 0
EOS
	mkdep=$toplev/mkdep
	chmod +x $mkdep
	$eunicefix $mkdep
	if $mkdep dep.c >dep.out 2>/dev/null &&
		$contains 'dep\.o:.*dep\.h' dep.out >/dev/null 2>&1
	then
		echo "A shell script using $cpp does the trick."
	else
		echo "$cpp doesn't seem to be any use at all."
		$spitshell >../mkdep <<EOS
$startsh
$takeflags
files="\$@"
set X \$flags
shift
inc='.'
while test \$# -gt 0
do
	case "\$1" in
	-I) 
		shift
		inc="\$inc:\$1"
		;;
	-I*)
		dir=\`echo \$1 | sed -e 's/^-I//'\`
		inc="\$inc:\$dir"
		;;
	esac
	shift
done
set X \$files
shift
trap "$rm -f /tmp/mkdep\$\$; exit 1" 1 2 3 15
for srcfile
do
	case "\$srcfile" in
	*.c) c='.c';;
	*.y) c='.y';;
	*.l) c='.l';;
	esac
	filebase=\`basename \$srcfile \$c\`
	echo \$filebase.o: \$srcfile
	$grep '^#[  ]*include' \$srcfile /dev/null | \
	$sed -n -e 's/#[   ]*include[  ]*//' \\
		-e '/<\(.*\)>/ d' \\
		-e 's/:[^"]*"\([^"]*\)".*/: \1/' \\
		-e 's/\.c:/\.o:/p' > /tmp/mkdep\$\$
	IFS=': '
	while read file dep; do
		for dir in \$inc; do
			if $test -f "\$dir/\$dep"; then
				dep="\$dir/\$dep"
				break
			fi
		done
		echo "\$file: \$dep" | $sed -e 's,: \./,: ,'
	done </tmp/mkdep\$\$
	IFS=' '
	$rm -f /tmp/mkdep\$\$
done
exit 0
EOS
		mkdep=$toplev/mkdep
		chmod +x $mkdep
		$eunicefix $mkdep
		if $mkdep dep.c >dep.out 2>/dev/null &&
			$contains 'dep\.o:.*dep\.h' dep.out >/dev/null 2>&1
		then
			cat << EOM

I can use a script with grep instead, but it will make some incorrect
dependencies, since it doesn't understand about conditional compilation.
Moreover, some dependencies may be missing, because scanning won't be
a recursive process.
If you have a program which generates makefile dependencies, you may want
to use it.  If not, you can use the script and edit the Makefile by hand
if you need to.
EOM
		else
			mkdep=
			cat << EOM

I can't seem to generate makefile dependencies at all!  Perhaps you have a
program that does?  If you don't, you might look at the mkdep script to
see if you can create one which works.
EOM
		fi
	fi
esac
dflt="$mkdep"
fn=f~/
rp="Name of program to make makefile dependencies?"
. ./getfile
mkdep="$ans"
$rm -f dep.c dep.h dep.o dep.out

: Cruising for prototypes
echo " "
echo "Checking out function prototypes..." >&4
$cat >prototype.c <<'EOCP'
main(int argc, char *argv[]) {
	exit(0);}
EOCP
if $cc $ccflags -c prototype.c >prototype.out 2>&1 ; then
	echo "Your C compiler appears to support function prototypes."
	val="$define"
else
	echo "Your C compiler doesn't seem to understand function prototypes."
	val="$undef"
fi
set prototype
eval $setvar
$rm -f prototype*

: see if ar generates random libraries by itself
echo " "
echo "Checking how to generate random libraries on your machine..." >&4
echo 'int bar1() { return bar2(); }' > bar1.c
echo 'int bar2() { return 2; }' > bar2.c
$cat > foo.c <<'EOP'
main() { printf("%d\n", bar1()); exit(0); }
EOP
$cc $ccflags -c bar1.c >/dev/null 2>&1
$cc $ccflags -c bar2.c >/dev/null 2>&1
$cc $ccflags -c foo.c >/dev/null 2>&1
ar rc bar.a bar2.o bar1.o >/dev/null 2>&1
if $cc $ccflags $ldflags -o foobar foo.o bar.a $libs > /dev/null 2>&1 &&
	./foobar >/dev/null 2>&1; then
	echo "ar appears to generate random libraries itself."
	orderlib=false
	ranlib=":"
elif ar ts bar.a >/dev/null 2>&1 &&
	$cc $ccflags $ldflags -o foobar foo.o bar.a $libs > /dev/null 2>&1 &&
	./foobar >/dev/null 2>&1; then
		echo "a table of contents needs to be added with 'ar ts'."
		orderlib=false
		ranlib="ar ts"
else
	case "$ranlib" in
	:) ranlib='';;
	'')
		ranlib=`./loc ranlib X /usr/bin /bin /usr/local/bin`
		$test -f $ranlib || ranlib=''
		;;
	esac
	if $test -n "$ranlib"; then
		echo "your system has '$ranlib'; we'll use that."
		orderlib=false
	else
		echo "your system doesn't seem to support random libraries"
		echo "so we'll use lorder and tsort to order the libraries."
		orderlib=true
		ranlib=":"
	fi
fi
$rm -f foo* bar* 

: see if signal is declared as pointer to function returning int or void
echo " "
xxx=`./findhdr signal.h`
$test "$xxx" && $cppstdin $cppminus $cppflags < $xxx >$$.tmp 2>/dev/null
if $contains 'int.*\*[ 	]*signal' $$.tmp >/dev/null 2>&1 ; then
	echo "You have int (*signal())() instead of void." >&4
	val="$undef"
elif $contains 'void.*\*[ 	]*signal' $$.tmp >/dev/null 2>&1 ; then
	echo "You have void (*signal())() instead of int." >&4
	val="$define"
elif $contains 'extern[ 	]*[(\*]*signal' $$.tmp >/dev/null 2>&1 ; then
	echo "You have int (*signal())() instead of void." >&4
	val="$undef"
else
	case "$d_voidsig" in
	'')
	echo "I can't determine whether signal handler returns void or int..." >&4
		dflt=void
		rp="What type does your signal handler return?"
		. ./myread
		case "$ans" in
		v*) val="$define";;
		*) val="$undef";;
		esac;;
	"$define")
		echo "As you already told me, signal handler returns void." >&4;;
	*)
		echo "As you already told me, signal handler returns int." >&4;;
	esac
fi
set d_voidsig
eval $setvar
case "$d_voidsig" in
"$define") signal_t="void";;
*) signal_t="int";;
esac
$rm -f $$.tmp

socketlib=''
sockethdr=''
: see whether socket exists
echo " "
$echo $n "Hmm... $c" >&4
if set socket val -f d_socket; eval $csym; $val; then
	echo "Looks like you have Berkeley networking support." >&4
	d_socket="$define"
	if set setsockopt val -f; eval $csym; $val; then
		d_oldsock="$undef"
	else
		echo "...but it uses the old 4.1c interface, rather than 4.2" >&4
		d_oldsock="$define"
	fi
else
	if $contains socklib libc.list >/dev/null 2>&1; then
		echo "Looks like you have Berkeley networking support." >&4
		d_socket="$define"
		: we will have to assume that it supports the 4.2 BSD interface
		d_oldsock="$undef"
	else
		echo "You don't have Berkeley networking in libc.a..." >&4
		if test -f /usr/lib/libnet.a; then
			( (nm $nm_opt /usr/lib/libnet.a | eval $nm_extract) ||  \
			ar t /usr/lib/libnet.a) 2>/dev/null >> libc.list
			if $contains socket libc.list >/dev/null 2>&1; then
			echo "...but the Wollongong group seems to have hacked it in." >&4
				socketlib="-lnet"
				sockethdr="-I/usr/netinclude"
				d_socket="$define"
				if $contains setsockopt libc.list >/dev/null 2>&1; then
					d_oldsock="$undef"
				else
					echo "...using the old 4.1c interface, rather than 4.2" >&4
					d_oldsock="$define"
				fi
			else
				echo "or even in libnet.a, which is peculiar." >&4
				d_socket="$undef"
				d_oldsock="$undef"
			fi
		else
			echo "or anywhere else I see." >&4
			d_socket="$undef"
			d_oldsock="$undef"
		fi
	fi
fi

: define an is-a-typedef? function
typedef='type=$1; var=$2; def=$3; shift; shift; shift; inclist=$@;
case "$inclist" in
"") inclist="sys/types.h";;
esac;
eval "varval=\$$var";
case "$varval" in
"")
	$rm -f temp.c;
	for inc in $inclist; do
		echo "#include <$inc>" >>temp.c;
	done;
	$cppstdin $cppflags $cppminus < temp.c >temp.E 2>/dev/null;
	if $contains $type temp.E >/dev/null 2>&1; then
		eval "$var=\$type";
	else
		eval "$var=\$def";
	fi;
	$rm -f temp.?;;
*) eval "$var=\$varval";;
esac'

: see if time exists
echo " "
if set time val -f d_time; eval $csym; $val; then
	echo 'time() found.' >&4
	val="$define"
	set time_t timetype long stdio.h sys/types.h
	eval $typedef
	dflt="$timetype"
	echo " "
	rp="What type is returned by time() on this system?"
	. ./myread
	timetype="$ans"
else
	echo 'time() not found, hope that will do.' >&4
	val="$undef"
	timetype='int';
fi
set d_time
eval $setvar

: see what type uids are declared as in the kernel
set uid_t uidtype xxx stdio.h sys/types.h
eval $typedef
case "$uidtype" in
xxx)
	xxx=`./findhdr sys/user.h`
	set `grep '_ruid;' "$xxx" 2>/dev/null` unsigned short
	case $1 in
	unsigned) dflt="$1 $2" ;;
	*) dflt="$1" ;;
	esac
	;;
*) dflt="$uidtype";;
esac
echo " "
rp="What is the type for user ids returned by getuid()?"
. ./myread
uidtype="$ans"

: check for void type
echo " "
echo "Checking to see how well your C compiler groks the void type..." >&4
echo " "
$cat >&4 <<EOM
  Support flag bits are:
    1: basic void declarations.
    2: arrays of pointers to functions returning void.
    4: operations between pointers to and addresses of void functions.
    8: generic void pointers.
EOM
echo " "
case "$voidflags" in
'')
	$cat >try.c <<'EOCP'
#if TRY & 1
void main() {
#else
main() {
#endif
	extern void moo();	/* function returning void */
	void (*goo)();		/* ptr to func returning void */
#if TRY & 8
	void *hue;		/* generic ptr */
#endif
#if TRY & 2
	void (*foo[10])();
#endif

#if TRY & 4
	if(goo == moo) {
		exit(0);
	}
#endif
	exit(0);
}
EOCP
	if $cc -c -DTRY=$defvoidused try.c >.out 2>&1 ; then
		voidflags=$defvoidused
	echo "It appears to support void to the level $package wants ($defvoidused)."
		if $contains warning .out >/dev/null 2>&1; then
			echo "However, you might get some warnings that look like this:"
			$cat .out
		fi
	else
echo "Hmm, your compiler has some difficulty with void. Checking further..." >&4
		if $cc -c -DTRY=1 try.c >/dev/null 2>&1 ; then
			echo "It supports 1..."
			if $cc -c -DTRY=3 try.c >/dev/null 2>&1 ; then
				echo "It also supports 2..."
				if $cc -c -DTRY=7 try.c >/dev/null 2>&1 ; then
					voidflags=7
					echo "And it supports 4 but not 8 definitely."
				else
					echo "It doesn't support 4..."
					if $cc -c -DTRY=11 try.c >/dev/null 2>&1 ; then
						voidflags=11
						echo "But it supports 8."
					else
						voidflags=3
						echo "Neither does it support 8."
					fi
				fi
			else
				echo "It does not support 2..."
				if $cc -c -DTRY=13 try.c >/dev/null 2>&1 ; then
					voidflags=13
					echo "But it supports 4 and 8."
				else
					if $cc -c -DTRY=5 try.c >/dev/null 2>&1 ; then
						voidflags=5
						echo "And it supports 4 but has not heard about 8."
					else
						echo "However it supports 8 but not 4."
					fi
				fi
			fi
		else
			echo "There is no support at all for void."
			voidflags=0
		fi
	fi
esac
dflt="$voidflags";
rp="Your void support flags add up to what?"
. ./myread
voidflags="$ans"
$rm -f try.* .out

: determine compiler compiler
case "$yacc" in
'')
	dflt=yacc;;
*)
	dflt="$yacc";;
esac
echo " "
comp='yacc'
if $test -f "$byacc"; then
	dflt="$byacc"
	comp="byacc or $comp"
fi
if $test -f "$bison"; then
	comp="$comp or bison -y"
fi
rp="Which compiler compiler ($comp) shall I use?"
. ./myread
yacc="$ans"
case "$yacc" in
*bis*)
	case "$yacc" in
	*-y*) ;;
	*)
		yacc="$yacc -y"
		echo "(Adding -y option to bison to get yacc-compatible behaviour.)"
		;;
	esac
	;;
esac

: see if we need extra yacc flags
dflt="$yaccflags"
case "$dflt" in
'') dflt=none;;
esac
$cat <<EOH

Your yacc program may need extra flags to normally process the parser sources.
Do NOT specify any -d or -v flags here, since those are explicitely known
by the various Makefiles. However, if your machine has strange/undocumented
options (like -Sr# on SCO to specify the maximum number of grammar rules), then
please add them here.  To use no flags, specify the word "none".

EOH
rp="Any additional yacc flags?"
. ./myread
case "$ans" in
none) yaccflags='';;
*) yaccflags="$ans";;
esac

: see if arpa/inet.h has to be included
set arpa/inet.h i_arpainet
eval $inhdr

: see if this is a sys/file.h system
val=''
set sys/file.h val
eval $inhdr

: do we need to include sys/file.h ?
case "$val" in
"$define")
	echo " "
	if $h_sysfile; then
		val="$define"
		echo "We'll be including <sys/file.h>." >&4
	else
		val="$undef"
		echo "We won't be including <sys/file.h>." >&4
	fi
	;;
*)
	h_sysfile=false
	;;
esac
set i_sysfile
eval $setvar

: see if fcntl.h is there
val=''
set fcntl.h val
eval $inhdr

: see if we can include fcntl.h
case "$val" in
"$define")
	echo " "
	if $h_fcntl; then
		val="$define"
		echo "We'll be including <fcntl.h>." >&4
	else
		val="$undef"
		if $h_sysfile; then
	echo "We don't need to include <fcntl.h> if we include <sys/file.h>." >&4
		else
			echo "We won't be including <fcntl.h>." >&4
		fi
	fi
	;;
*)
	h_fcntl=false
	val="$undef"
	;;
esac
set i_fcntl
eval $setvar

: see if memory.h is available.
val=''
set memory.h val
eval $inhdr

: See if it conflicts with string.h
case "$val" in
$define)
	case "$strings" in
	'') ;;
	*)
		$cppstdin $cppflags $cppminus < $strings > mem.h
		if $contains 'memcpy' mem.h >/dev/null 2>&1; then
			echo " "
			echo "We won't be including <memory.h>."
			val="$undef"
		fi
		$rm -f mem.h
		;;
	esac
esac
set i_memory
eval $setvar

: see if there are directory access routines out there
echo " "
if $test `./findhdr ndir.h` && \
	  ( $test -r /usr/lib/libndir.a || $test -r /usr/local/lib/libndir.a ); then
	echo "Ndir library found." >&4
	if $test -r /usr/lib/libndir.a; then
		ndirlib='-lndir'
	else
		ndirlib="/usr/local/lib/libndir.a"
	fi
	i_ndir="$define"
	d_usendir="$undef"
	ndirc=''
	ndiro=''
else
	ndirlib=''
	i_ndir="$undef"
	if set readdir val -f; eval $csym; $val; then
	echo "No ndir library found, but you have readdir() so we'll use that." >&4
		d_usendir="$undef"
		ndirc=''
		ndiro=''
	else
		echo "No ndir library found--using ./ndir.c." >&4
		d_usendir="$define"
		ndirc='ndir.c'
		ndiro='ndir.o'
	fi
fi

: see if this is a netinet/in.h or sys/in.h system
set netinet/in.h i_niin sys/in.h i_sysin
eval $inhdr

: see if this is a pwd.h system
set pwd.h i_pwd
eval $inhdr

case "$i_pwd" in
$define)
	xxx=`./findhdr pwd.h`
	$cppstdin $cppflags $cppminus < $xxx >$$.h

	if $contains 'pw_quota' $$.h >/dev/null 2>&1; then
		val="$define"
	else
		val="$undef"
	fi
	set d_pwquota
	eval $setvar

	if $contains 'pw_age' $$.h >/dev/null 2>&1; then
		val="$define"
	else
		val="$undef"
	fi
	set d_pwage
	eval $setvar

	if $contains 'pw_change' $$.h >/dev/null 2>&1; then
		val="$define"
	else
		val="$undef"
	fi
	set d_pwchange
	eval $setvar

	if $contains 'pw_class' $$.h >/dev/null 2>&1; then
		val="$define"
	else
		val="$undef"
	fi
	set d_pwclass
	eval $setvar

	if $contains 'pw_expire' $$.h >/dev/null 2>&1; then
		val="$define"
	else
		val="$undef"
	fi
	set d_pwexpire
	eval $setvar

	if $contains 'pw_comment' $$.h >/dev/null 2>&1; then
		val="$define"
	else
		val="$undef"
	fi
	set d_pwcomment
	eval $setvar

	$rm -f $$.h
	;;
*)
	val="$undef"; 
	set d_pwquota; eval $setvar
	set d_pwage; eval $setvar
	set d_pwchange; eval $setvar
	set d_pwclass; eval $setvar
	set d_pwexpire; eval $setvar
	set d_pwcomment; eval $setvar
	;;
esac

: see if stdarg is available
echo " "
if $test `./findhdr stdarg.h`; then
	echo "<stdarg.h> found." >&4
	valstd="$define"
else
	echo "<stdarg.h> NOT found." >&4
	valstd="$undef"
fi

: see if varags is available
echo " "
if $test `./findhdr varargs.h`; then
	echo "<varargs.h> found." >&4
else
	echo "<varargs.h> NOT found, but that's ok (I hope)." >&4
fi

: set up the varargs testing programs
$cat > varargs.c <<EOP
#ifdef I_STDARG
#include <stdarg.h>
#endif
#ifdef I_VARARGS
#include <varargs.h>
#endif

#ifdef I_STDARG
int f(char *p, ...)
#else
int f(va_alist)
va_dcl
#endif
{
	va_list ap;
#ifndef I_STDARG
	char *p;
#endif
#ifdef I_STDARG
	va_start(ap,p);
#else
	va_start(ap);
	p = va_arg(ap, char *);
#endif
	va_end(ap);
}
EOP
$cat > varargs <<EOP
if $cc -c $ccflags -D\$1 varargs.c >/dev/null 2>&1; then
	echo "true"
else
	echo "false"
fi
$rm -f varargs.o
EOP
chmod +x varargs

: now check which varargs header should be included
echo " "
i_varhdr=''
case "$valstd" in
"$define")
	if `./varargs I_STDARG`; then
		val='stdarg.h'
	elif `./varargs I_VARARGS`; then
		val='varargs.h'
	fi
	;;
*)
	if `./varargs I_VARARGS`; then
		val='varargs.h'
	fi
	;;
esac
case "$val" in
'')
echo "I could not find the definition for va_dcl... You have problems..." >&4
	val="$undef"; set i_stdarg; eval $setvar
	val="$undef"; set i_varargs; eval $setvar
	;;
*) 
	set i_varhdr
	eval $setvar
	case "$i_varhdr" in
	stdarg.h)
		val="$define"; set i_stdarg; eval $setvar
		val="$undef"; set i_varargs; eval $setvar
		;;
	varargs.h)
		val="$undef"; set i_stdarg; eval $setvar
		val="$define"; set i_varargs; eval $setvar
		;;
	esac
	echo "We'll include <$i_varhdr> to get va_dcl definition." >&4;;
esac
$rm -f varargs*

: see if stdlib is available
set stdlib.h i_stdlib
eval $inhdr

: see if this is an sysdir system
set sys/dir.h i_sysdir
eval $inhdr

: see if this is an sysndir system
set sys/ndir.h i_sysndir
eval $inhdr

: see if this is a sys/param system
set sys/param.h i_sysparam
eval $inhdr

: see if sys/resource.h has to be included
set sys/resource.h i_sysresrc
eval $inhdr

: see if sys/select.h has to be included
set sys/select.h i_sysselct
eval $inhdr

: see if this is a sys/socket.h system
set sys/socket.h i_syssock
eval $inhdr

: see if we should include time.h, sys/time.h, or both
echo " "
echo "Testing to see if we should include <time.h>, <sys/time.h> or both." >&4
$echo $n "I'm now running the test program...$c"
$cat >try.c <<'EOCP'
#include <sys/types.h>
#ifdef I_TIME
#include <time.h>
#endif
#ifdef I_SYSTIME
#ifdef SYSTIMEKERNEL
#define KERNEL
#endif
#include <sys/time.h>
#endif
#ifdef I_SYSSELECT
#include <sys/select.h>
#endif
main()
{
	struct tm foo;
#ifdef S_TIMEVAL
	struct timeval bar;
#endif
#ifdef S_TIMEZONE
	struct timezone tzp;
#endif
	if (foo.tm_sec == foo.tm_sec)
		exit(0);
#ifdef S_TIMEVAL
	if (bar.tv_sec == bar.tv_sec)
		exit(0);
#endif
	exit(1);
}
EOCP
flags=''
s_timezone=''
sysselect=''
for s_timeval in '-DS_TIMEVAL' ''; do
for i_systimek in '' '-DSYSTIMEKERNEL'; do
for i_time in '' '-DI_TIME'; do
for i_systime in '-DI_SYSTIME' ''; do
	case "$flags" in
	'') $echo $n ".$c"
		if $cc $ccflags \
		$i_time $i_systime $i_systimek $sysselect $s_timeval $s_timezone \
		try.c -o try >/dev/null 2>&1 ; then
			set X $i_time $i_systime $i_systimek $sysselect $s_timeval
			shift
			flags="$*"
			echo " "
			$echo $n "Succeeded with $flags$c"
		fi
		;;
	esac
done
done
done
done
timeincl=''
echo " "
case "$flags" in
*SYSTIMEKERNEL*) i_systimek="$define"
	timeincl=`./findhdr sys/time.h`
	echo "We'll include <sys/time.h> with KERNEL defined." >&4;;
*) i_systimek="$undef";;
esac
case "$flags" in
*I_TIME*) i_time="$define"
	timeincl=`./findhdr time.h`" $timeincl"
	echo "We'll include <time.h>." >&4;;
*) i_time="$undef";;
esac
case "$flags" in
*I_SYSTIME*) i_systime="$define"
	timeincl=`./findhdr sys/time.h`" $timeincl"
	echo "We'll include <sys/time.h>." >&4;;
*) i_systime="$undef";;
esac
$rm -f try.c try

: see if sys/types.h has to be included
set sys/types.h i_systypes
eval $inhdr

: get C preprocessor symbols handy
echo " "
$echo $n "Hmm... $c"
echo $al | $tr ' ' '\012' >Cppsym.know
$cat <<EOSS >Cppsym
$startsh
case "\$1" in
-l) list=true
	shift
	;;
esac
unknown=''
case "\$list\$#" in
1|2)
	for sym do
		if $contains "^\$1$" Cppsym.true >/dev/null 2>&1; then
			exit 0
		elif $contains "^\$1$" Cppsym.know >/dev/null 2>&1; then
			:
		else
			unknown="\$unknown \$sym"
		fi
	done
	set X \$unknown
	shift
	;;
esac
case \$# in
0) exit 1;;
esac
echo \$* | $tr ' ' '\012' | $sed -e 's/\(.*\)/\\
#ifdef \1\\
exit 0; _ _ _ _\1\\	 \1\\
#endif\\
/' >Cppsym\$\$
echo "exit 1; _ _ _" >>Cppsym\$\$
$cppstdin $cppminus <Cppsym\$\$ | $grep '^exit [01]; _ _'  >Cppsym2\$\$
case "\$list" in
true) $awk 'NF > 5 {print substr(\$6,2,100)}' <Cppsym2\$\$ ;;
*)
	sh Cppsym2\$\$
	status=\$?
	;;
esac
$rm -f Cppsym\$\$ Cppsym2\$\$
exit \$status
EOSS
chmod +x Cppsym
$eunicefix Cppsym
./Cppsym -l $al | $sort | $grep -v '^$' >Cppsym.true

: now check the C compiler for additional symbols
$cat >ccsym <<EOS
$startsh
$cat >tmp.c <<EOF
extern int foo;
EOF
for i in \`$cc -v -c tmp.c 2>&1\`
do
	case "\$i" in
	-D*) echo "\$i" | $sed 's/^-D//';;
	-A*) $test "$gccversion" && echo "\$i" | $sed 's/^-A\(.*\)(\(.*\))/\1=\2/';;
	esac
done
$rm -f try.c
EOS
chmod +x ccsym
$eunicefix ccsym
./ccsym | $sort | $uniq >ccsym.raw
$awk '/\=/ { print $0; next }
	{ print $0"=1" }' ccsym.raw >ccsym.list
$awk '{ print $0"=1" }' Cppsym.true >ccsym.true
$comm -13 ccsym.true ccsym.list >ccsym.own
$comm -12 ccsym.true ccsym.list >ccsym.com
$comm -23 ccsym.true ccsym.list >ccsym.cpp
also=''
symbols='symbols'
if $test -z ccsym.raw; then
	echo "Your C compiler doesn't seem to define any symbol!" >&4
	echo " "
	echo "However, your C preprocessor defines the following ones:"
	$cat Cppsym.true
else
	if $test -s ccsym.com; then
		echo "Your C compiler and pre-processor define these symbols:"
		$sed -e 's/\(.*\)=.*/\1/' ccsym.com
		also='also '
		symbols='ones'
		$test "$silent" || sleep 1
	fi
	if $test -s ccsym.cpp; then
		$test "$also" && echo " "
		echo "Your C pre-processor ${also}defines the following $symbols:"
		$sed -e 's/\(.*\)=.*/\1/' ccsym.cpp
		also='further '
		$test "$silent" || sleep 1
	fi
	if $test -s ccsym.own; then
		$test "$also" && echo " "
		echo "Your C compiler ${also}defines the following cpp variables:"
		$sed -e 's/\(.*\)=1/\1/' ccsym.own
		$sed -e 's/\(.*\)=.*/\1/' ccsym.own | $uniq >>Cppsym.true
		$test "$silent" || sleep 1
	fi
fi
$rm -f ccsym*

: see if this is a termio system
val="$undef"
val2="$undef"
val3="$undef"
if $test `./findhdr termios.h`; then
	set tcsetattr i_termios
	eval $inlibc
	val3="$i_termios"
fi
echo " "
case "$val3" in
"$define") echo "You have POSIX termios.h... good!" >&4;;
*) if ./Cppsym pyr; then
		case "`/bin/universe`" in
		ucb) if $test `./findhdr sgtty.h`; then
				val2="$define"
				echo "<sgtty.h> found." >&4
			else
				echo "System is pyramid with BSD universe."
				echo "<sgtty.h> not found--you could have problems." >&4
			fi;;
		*) if $test `./findhdr termio.h`; then
				val="$define"
				echo "<termio.h> found." >&4
			else
				echo "System is pyramid with USG universe."
				echo "<termio.h> not found--you could have problems." >&4
			fi;;
		esac
	elif ./usg; then
		if $test `./findhdr termio.h`; then
			echo "<termio.h> found." >&4
			val="$define"
		elif $test `./findhdr sgtty.h`; then
			echo "<sgtty.h> found." >&4
			val2="$define"
		else
echo "Neither <termio.h> nor <sgtty.h> found--you could have problems." >&4
		fi
	else
		if $test `./findhdr sgtty.h`; then
			echo "<sgtty.h> found." >&4
			val2="$define"
		elif $test `./findhdr termio.h`; then
			echo "<termio.h> found." >&4
			val="$define"
		else
echo "Neither <sgtty.h> nor <termio.h> found--you could have problems." >&4
		fi
	fi;;
esac
set i_termio; eval $setvar
val=$val2; set i_sgtty; eval $setvar
val=$val3; set i_termios; eval $setvar

: see if this is a unistd.h system
set unistd.h i_unistd
eval $inhdr

: end of configuration questions
echo " "
echo "End of configuration questions."
echo " "

: back to where it started
if test -d ../UU; then
	cd ..
fi

: configuration may be patched via a 'config.over' file
if $test -f config.over; then
	echo " "
	dflt=y
	rp='I see a config.over file.  Do you wish to load it?'
	. UU/myread
	case "$ans" in
	n*) echo "OK, I'll ignore it.";;
	*)	. ./config.over
		echo "Configuration override changes have been loaded."
		;;
	esac
fi

: in case they want portability, strip down executable paths
case "$d_portable" in
"$define")
	echo " "
	echo "Stripping down executable paths..." >&4
	for file in $loclist $trylist; do
		eval $file="\$file"
	done
	;;
esac

: create config.sh file
echo " "
echo "Creating config.sh..." >&4
$spitshell <<EOT >config.sh
$startsh
#
# This file was produced by running the Configure script. It holds all the
# definitions figured out by Configure. Should you modify one of these values,
# do not forget to propagate your changes by running "Configure -der". You may
# instead choose to run each of the .SH files by yourself, or "Configure -S".
#

# Configuration time: $cf_time
# Configured by: $cf_by
# Target system: $myuname

d_bsd='$d_bsd'
d_eunice='$d_eunice'
d_xenix='$d_xenix'
eunicefix='$eunicefix'
Mcc='$Mcc'
awk='$awk'
bash='$bash'
bison='$bison'
byacc='$byacc'
cat='$cat'
chgrp='$chgrp'
chmod='$chmod'
chown='$chown'
comm='$comm'
compress='$compress'
cp='$cp'
cpio='$cpio'
cpp='$cpp'
csh='$csh'
date='$date'
echo='$echo'
egrep='$egrep'
emacs='$emacs'
expr='$expr'
find='$find'
flex='$flex'
gcc='$gcc'
grep='$grep'
gzcat='$gzcat'
inews='$inews'
ksh='$ksh'
less='$less'
line='$line'
lint='$lint'
ln='$ln'
lp='$lp'
lpr='$lpr'
ls='$ls'
mail='$mail'
mailx='$mailx'
make='$make'
mkdir='$mkdir'
more='$more'
mv='$mv'
nroff='$nroff'
perl='$perl'
pg='$pg'
pmake='$pmake'
pr='$pr'
rm='$rm'
rmail='$rmail'
sed='$sed'
sendmail='$sendmail'
sh='$sh'
shar='$shar'
sleep='$sleep'
smail='$smail'
sort='$sort'
submit='$submit'
tail='$tail'
tar='$tar'
tbl='$tbl'
test='$test'
touch='$touch'
tr='$tr'
troff='$troff'
uname='$uname'
uniq='$uniq'
uuname='$uuname'
vi='$vi'
zcat='$zcat'
hint='$hint'
myuname='$myuname'
osname='$osname'
osvers='$osvers'
Author='$Author'
Date='$Date'
Header='$Header'
Id='$Id'
Locker='$Locker'
Log='$Log'
RCSfile='$RCSfile'
Revision='$Revision'
Source='$Source'
State='$State'
afs='$afs'
baserev='$baserev'
bin='$bin'
binexp='$binexp'
installbin='$installbin'
byteorder='$byteorder'
cc='$cc'
gccversion='$gccversion'
ccflags='$ccflags'
cppflags='$cppflags'
ldflags='$ldflags'
lkflags='$lkflags'
optimize='$optimize'
cf_by='$cf_by'
cf_time='$cf_time'
contains='$contains'
cpplast='$cpplast'
cppminus='$cppminus'
cpprun='$cpprun'
cppstdin='$cppstdin'
d_access='$d_access'
d_alloca='$d_alloca'
i_alloca='$i_alloca'
d_alphasort='$d_alphasort'
d_bcopy='$d_bcopy'
d_bzero='$d_bzero'
d_cache_syn='$d_cache_syn'
d_compiler_version='$d_compiler_version'
d_uncompressor='$d_uncompressor'
d_unzipper='$d_unzipper'
d_const='$d_const'
d_extern_sys_errlist='$d_extern_sys_errlist'
d_gethent='$d_gethent'
d_getpwuid='$d_getpwuid'
d_getwd='$d_getwd'
d_huge_headlines='$d_huge_headlines'
d_local_search='$d_local_search'
testdir='$testdir'
waissearch_args='$waissearch_args'
d_memcpy='$d_memcpy'
d_memmove='$d_memmove'
ctypedir='$ctypedir'
ctypeinc='$ctypeinc'
ctypeobj='$ctypeobj'
d_ctypevar='$d_ctypevar'
d_myctype='$d_myctype'
lchars='$lchars'
uchars='$uchars'
d_myregexp='$d_myregexp'
regexpdir='$regexpdir'
regexplib='$regexplib'
d_open3='$d_open3'
d_portable='$d_portable'
d_proximity='$d_proximity'
d_remove='$d_remove'
d_safebcpy='$d_safebcpy'
d_safemcpy='$d_safemcpy'
d_scandir='$d_scandir'
d_oldsock='$d_oldsock'
d_socket='$d_socket'
d_sockpair='$d_sockpair'
sockethdr='$sockethdr'
socketlib='$socketlib'
d_index='$d_index'
d_strchr='$d_strchr'
d_strcspn='$d_strcspn'
d_strdup='$d_strdup'
d_strerrm='$d_strerrm'
d_strerror='$d_strerror'
d_sysernlst='$d_sysernlst'
d_syserrlst='$d_syserrlst'
d_syslog='$d_syslog'
syslogc='$syslogc'
syslogo='$syslogo'
d_time='$d_time'
timetype='$timetype'
d_udping='$d_udping'
d_urldocid='$d_urldocid'
d_usendir='$d_usendir'
i_ndir='$i_ndir'
ndirc='$ndirc'
ndirlib='$ndirlib'
ndiro='$ndiro'
d_version_string='$d_version_string'
d_voidsig='$d_voidsig'
signal_t='$signal_t'
d_volatile='$d_volatile'
d_charvspr='$d_charvspr'
d_vprintf='$d_vprintf'
h_fcntl='$h_fcntl'
h_sysfile='$h_sysfile'
i_arpainet='$i_arpainet'
d_dirnamlen='$d_dirnamlen'
direntrytype='$direntrytype'
i_dirent='$i_dirent'
i_fcntl='$i_fcntl'
i_memory='$i_memory'
i_niin='$i_niin'
i_sysin='$i_sysin'
d_pwage='$d_pwage'
d_pwchange='$d_pwchange'
d_pwclass='$d_pwclass'
d_pwcomment='$d_pwcomment'
d_pwexpire='$d_pwexpire'
d_pwquota='$d_pwquota'
i_pwd='$i_pwd'
i_stdlib='$i_stdlib'
i_string='$i_string'
strings='$strings'
i_sysdir='$i_sysdir'
i_sysfile='$i_sysfile'
i_sysndir='$i_sysndir'
i_sysparam='$i_sysparam'
i_sysresrc='$i_sysresrc'
i_sysselct='$i_sysselct'
i_syssock='$i_syssock'
i_systypes='$i_systypes'
i_sgtty='$i_sgtty'
i_termio='$i_termio'
i_termios='$i_termios'
i_systime='$i_systime'
i_systimek='$i_systimek'
i_time='$i_time'
timeincl='$timeincl'
i_unistd='$i_unistd'
i_stdarg='$i_stdarg'
i_varargs='$i_varargs'
i_varhdr='$i_varhdr'
install='$install'
installdir='$installdir'
intsize='$intsize'
lex='$lex'
lexflags='$lexflags'
libc='$libc'
glibpth='$glibpth'
libpth='$libpth'
plibpth='$plibpth'
xlibpth='$xlibpth'
libs='$libs'
lns='$lns'
longsize='$longsize'
installmansrc='$installmansrc'
manext='$manext'
mansrc='$mansrc'
mansrcexp='$mansrcexp'
mkdep='$mkdep'
huge='$huge'
large='$large'
medium='$medium'
models='$models'
small='$small'
split='$split'
c='$c'
n='$n'
orderlib='$orderlib'
ranlib='$ranlib'
package='$package'
spackage='$spackage'
patchlevel='$patchlevel'
prefix='$prefix'
prefixexp='$prefixexp'
installprivlib='$installprivlib'
privlib='$privlib'
privlibexp='$privlibexp'
prototype='$prototype'
installscript='$installscript'
scriptdir='$scriptdir'
scriptdirexp='$scriptdirexp'
so='$so'
sharpbang='$sharpbang'
shsharp='$shsharp'
spitshell='$spitshell'
startsh='$startsh'
sysman='$sysman'
uidtype='$uidtype'
nm_opt='$nm_opt'
runnm='$runnm'
usenm='$usenm'
incpath='$incpath'
mips='$mips'
mips_type='$mips_type'
usrinc='$usrinc'
defvoidused='$defvoidused'
voidflags='$voidflags'
yacc='$yacc'
yaccflags='$yaccflags'
EOT

: add special variables
$test -f patchlevel.h && \
awk '/^#define/ {printf "%s=%s\n",$2,$3}' patchlevel.h >>config.sh
echo "CONFIG=true" >>config.sh

: propagate old symbols
if $test -f UU/config.sh; then
	<UU/config.sh sort | uniq >UU/oldconfig.sh
	sed -n 's/^\([a-zA-Z_0-9]*\)=.*/\1/p' config.sh config.sh UU/oldconfig.sh |\
	sort | uniq -u >UU/oldsyms
	set X `cat UU/oldsyms`
	shift
	case $# in
	0) ;;
	*)
		cat <<EOM
Hmm...You had some extra variables I don't know about...I'll try to keep 'em...
EOM
		echo "# Variables propagated from previous config.sh file." >>config.sh
		for sym in `cat UU/oldsyms`; do
			echo "    Propagating $hint variable "'$'"$sym..."
			eval 'tmp="$'"${sym}"'"'
			echo "$tmp" | \
				sed -e "s/'/'\"'\"'/g" -e "s/^/$sym='/" -e "s/$/'/" >>config.sh
		done
		;;
	esac
fi

: Finish up by extracting the .SH files
case "$alldone" in
exit)
	$rm -rf UU
	echo "Done."
	exit 0
	;;
cont)
	;;
'')
	dflt=''
	nostick=true
	$cat <<EOM

If you'd like to make any changes to the config.sh file before I begin
to configure things, do it as a shell escape now (e.g. !vi config.sh).

EOM
	rp="Press return or use a shell escape to edit config.sh:"
	. UU/myread
	nostick=''
	case "$ans" in
	'') ;;
	*) : in case they cannot read
		sh 1>&4 -c "$ans";;
	esac
	;;
esac

: if this fails, just run all the .SH files by hand
. ./config.sh

echo " "
exec 1>&4
. ./UU/extract

if $contains '^depend:' [Mm]akefile >/dev/null 2>&1; then
	dflt=y
	case "$silent" in
	true) ;;
	*)
		$cat <<EOM

Now you need to generate make dependencies by running "make depend".
You might prefer to run it in background: "make depend > makedepend.out &"
It can take a while, so you might not want to run it right now.

EOM
		;;
	esac
	rp="Run make depend now?"
	. UU/myread
	case "$ans" in
	y*)
		make depend && echo "Now you must run a make."
		;;
	*)
		echo "You must run 'make depend' then 'make'."
		;;
	esac
elif test -f [Mm]akefile; then
	echo " "
	echo "Now you must run a make."
else
	echo "Done."
fi

$rm -f kit*isdone ark*isdone
$rm -rf UU

: End of Configure

