#!/bin/sh
#
#	Configuration.
#

#
sysname=`uname -s`
sysversion=`uname -r`
host=`hostname`
platform=`uname -m`

sysversion1=`echo $sysversion | awk -F. '{print $1}'`
sysversion2=`echo $sysversion | awk -F. '{print $2}'`
sysversion3=`echo $sysversion | awk -F. '{print $3}'`

echo $sysname $sysversion1 $sysversion2 $sysversion3 /$platform at $host

if [ -f config.param ] ; then
	confhost=`awk 'NR==1{print $4}' config.param`
	if [ "$confhost" = "$host" ] ; then
          . ./config.param
	fi
fi

echo "# Configuretion at $host" > config.param

# parameters:

prefix=/usr/local
all_yes=0
while [ $# -gt 0 ]
do
  case "$1" in
  -yes|--yes|-nonstop|--nonstop)
    all_yes=1
    echo "Setting all parameters to the default..."
    ;;
  -prefix|--prefix)
    prefix=$2
    shift
    ;;
  -prefix=*|--prefix=*)
    prefix=`expr "$1" : "-*prefix=\(.*\)"`
    ;;
  -lang=en|--lang=en)
    pref_lang=2
    ;;
  -lang=ja|--lang=ja)
    pref_lang=1
    ;;
  -model=baby|--model=baby)
    dmodel=1
    ;;
  -model=little|--model=little)
    dmodel=2
    ;;
  -model=mouse|--model=mouse)
    dmodel=3
    ;;
  -model=cookie|--model=cookie)
    dmodel=4
    ;;
  -model=monster|--model=monster)
    dmodel=5
    ;;
  -code=*|--code=*)
    def_dcode=`expr "$1" : "-*code=\(.*\)"`
    ;;
  -cflags=*|--cflags=*)
    dcflags=`echo $1 | sed -e 's/-*cflags=//'`
    ;;
  -help|--help)
    echo "-yes, -nonstop  Set all parameters to the default"
    echo "-prefix=DIR     Specify prefix (default: /usr/local)"
    echo "-lang=(en|ja)   Specify default language"
    echo "-model=(baby|little|mouse|cookie|monster)"
    echo "                Specify default model"                     
    echo "-code=(S|E|j|N|n|m)"
    echo "                Specify derault kanji code"
    echo "-cflags=FLAGS   Specify C flags"
    echo "-help           Display help"
    exit 0
    ;;
  esac
  shift
done

# Version number of Boehm-GC library comes with w3m.
# version number: JMMAAA  J: major MM: minor AAA: alpha
#   Alpha number of non-alpha version is 255.
# version 4.14alpha1 => 414002
mygcversion=500003

if [ -z "`echo -n aho | grep n`" ] ; then
Echo()
{
	echo -n "$*"
}
else
Echo()
{
	echo "$*\c"
}
fi


do_sigtest()
{
  echo "#include <signal.h>" > _zmachdep.c
  if [ "$2" = void ]; then
    echo "$1 _handler($2) {}" >> _zmachdep.c
  else
    echo "$1 _handler($2 x) {}" >> _zmachdep.c
  fi
  echo "int main(void) { $1 (*hdl)($2); hdl = signal(SIGINT,_handler); return 0; }" >> _zmachdep.c
  $cc $cflags -o _zmachdep _zmachdep.c > _zwarning 2>&1 
  stat=$?
  warning=`cat _zwarning`
  rm -f _zwarning
}

readdir() { 
  if [ "$all_yes" = 0 ]; then
    read __dir
  else
    __dir=$1
    echo "$1"
  fi
  if [ -z "$__dir" ]; then
    _dir=$1
  else
    _dir=`echo "$__dir"|sed -e "s;^~;$HOME;"`
  fi
}

readanswer() {
  var=$1
  dflt=$2
  ok=$3
  if [ "$all_yes" = 0 -o -z "$dflt$ok" ]; then
    read ans
    if [ -z "$ans" ]; then
      ans=$dflt
    fi
  else
    ans=$dflt
    echo "$ans"
  fi
  eval $var='$ans'
}

yesno() {
  var=$1
  dflt=$2
  ddflt=$3
  if [ -z "$dflt" ]; then
    dflt=$ddflt
  fi
  if [ "$dflt" = y ]; then
    ndflt=n
  else
    ndflt=y
  fi
  Echo "[$dflt]? "
  if [ "$all_yes" = 0 ]; then
    read ks_ans
  else
    ks_ans=$dflt
    echo "$dflt"
  fi
  if [ "$ks_ans" = "$ndflt" ]; then
    eval $var='$ndflt'
  else
    eval $var='$dflt'
  fi
}

save_params() {
  echo "use_color=$use_color" >> config.param
  echo "use_menu=$use_menu" >> config.param
  echo "use_mouse=$use_mouse" >> config.param
  echo "use_cookie=$use_cookie" >> config.param
  echo "use_ssl=$use_ssl" >> config.param
  if [ -n "$dmodel" ]; then
    echo "dmodel=$dmodel" >> config.param
  fi
}

find_ssl() {
  sslinclude=""
  for i1 in /usr /usr/local
  do
    for i2 in /openssl /ssl / 
    do
      if [ "$i2" = "/" ]; then i2=''; fi
      dirname=${i1}${i2}
      if [ -f $dirname/include/ssl.h ]; then
        sslinclude="-I${dirname}/include"
      elif [ -f $dirname/include/openssl/ssl.h ]; then
        sslinclude="-I${dirname}/include/openssl -I${dirname}/include"
      fi
      for i3 in lib/openssl lib
      do
        dirname=${i1}${i2}/${i3}
        for ext in a so
        do
          if [ -f $dirname/libssl.$ext -o -f $dirname/libcrypto.$ext ]; then
            if [ "$ssllib" = -L${dirname} ]; then
              ssllib="-L${dirname}"
            else
              ssllib="$ssllib -L${dirname}"
            fi
          fi
        done
      done
    done
  done
  ssllib="$ssllib -lssl -lcrypto"
  if [ "$sslinclude" = "" ]; then
    echo "Where is ssl.h? (for example, /usr/crypto/include)"
    Echo ":"
    read ks_ans
    sslinclude="-I${ks_ans}"
    if [ -d $ks_ans/openssl ]; then
      sslinclude="${sslinclude} -I${ks_ans}/openssl"
    fi
    echo "Where is libssl.a? (for example, /usr/crypto/lib)"
    Echo ":"
    read ks_ans
    ssllib="-L${ks_ans} -lssl -lcrypto"
  fi
}

#--------------------------------------------------------------
if [ -n "$USER" ]; then
	user=$USER
elif [ -n "$LOGNAME" ]; then
	user=$LOGNAME
elif [ -n "`whoami`" ]; then
	user=`whoami`
else
#	Echo "Who are you? "
#	read user
	user=nobody
fi

echo "%"
echo "% Hello $user. Let's start configuration process for w3m."
echo "% Please answer some questions."
echo "%"

if [ -n "`echo $sysname | grep CYGWIN`" ]; then
  sysname="CYGWIN"
  extension='.exe'
else
  extension=
fi

topdir=$prefix
special_sys=''
case "$sysname" in
  aix | AIX )
    special_sys="#define AIX"
  ;;
  CYGWIN )
    special_sys="#define CYGWIN $sysversion1"
    if [ $sysversion1 -eq 0 ]; then
    topdir=/cygnus/cygwin-b20/H-i586-cygwin32
    fi
  ;;
  NetBSD )
# Newer NetBSD system doesn't define 'unix' symbol anymore, but GC library
# requires it.
    special_sys="#define unix"
  ;;
esac

if [ -z "$def_bindir" ]; then
  def_bindir="$topdir/bin"
fi
echo "Which directory do you want to put the binary?"
Echo "(default: $def_bindir) "
readdir "$def_bindir"
bindir=$_dir
echo "def_bindir='$bindir'" >> config.param

if [ -z "$def_libdir" ]; then
  case "$sysname" in
  *BSD)
    def_libdir="$topdir/libexec/w3m"
  ;;
  *)
    def_libdir="$topdir/lib/w3m"
  ;;
  esac
fi
echo "Which directory do you want to put the support binary files?"
Echo "(default: $def_libdir) "
readdir "$def_libdir"
suplibdir=$_dir
echo "def_libdir='$suplibdir'" >> config.param

if [ -z "$def_helpdir" ]; then
  def_helpdir="$topdir/lib/w3m"
fi
echo "Which directory do you want to put the helpfile?"
Echo "(default: $def_helpdir) "
readdir "$def_helpdir"
helpdir=$_dir
echo "def_helpdir='$helpdir'" >> config.param

echo "Which language do you prefer?"
echo "  1 - Japanese (charset ISO-2022-JP, EUC-JP, Shift_JIS)"
echo "  2 - English (charset US_ASCII, ISO-8859-1, etc.)"
if [ "$pref_lang" = 2 ]; then
  Echo '[2]? '
  def_lg=2
else
  Echo '[1]? '
  def_lg=1
fi
while :
do
  readanswer lg_ans "$def_lg"
  if [ "$lg_ans" != 1 -a "$lg_ans" != 2 ]; then
    echo "Please choose 1 or 2."
    Echo "[$def_lg]? "
    continue
  else
    :
  fi
  break
done 
echo "pref_lang=$lg_ans" >> config.param
if [ "$lg_ans" = 1 ]; then
  use_lang="#define LANG JA"
  lang=ja
else
  use_lang="#define LANG EN"
  lang=en
fi


if [ "$lang" = ja ]; then
  echo "Input your display kanji code."
  echo "	S - Shift JIS"
  echo "	E - EUC-JP"
  echo '	j - JIS: ESC $@ - ESC (J'
  echo '	N - JIS: ESC $B - ESC (J'
  echo '	n - JIS: ESC $B - ESC (B'
  echo '	m - JIS: ESC $@ - ESC (B'
  echo ''
  while :
  do
	if [ -n "$def_dcode" ] ; then
		Echo "(default: $def_dcode) "
	fi
	Echo "Which? "
	readanswer ncode "$def_dcode"
	case "$ncode" in
	[SEjNnm])
		;;
	*)
		echo "Illegal code. Try again."
		continue
		;;
	esac
	break
  done
  echo "def_dcode=$ncode" >> config.param
else
  ncode=x
fi

echo "Do you want to use Lynx-like key binding?"
yesno lynx_key "$lynx_key" n
echo "lynx_key=$lynx_key" >> config.param
if [ "$lynx_key" = y ]; then
  keymap_file="keybind_lynx"
else
  keymap_file="keybind"
fi

if [ "$lang" = ja ]; then
  if [ "$lynx_key" = y ]; then
    helpfile="w3mhelp-lynx_ja.html"
  else
    helpfile="w3mhelp-w3m_ja.html"
  fi
else
  if [ "$lynx_key" = y ]; then
    helpfile="w3mhelp-lynx_en.html"
  else  
    helpfile="w3mhelp-w3m_en.html"
  fi
fi

if [ "$lang" = ja ]; then
  echo "Do you want to use 2-byte character for table border, item, etc."
  yesno kanji_symbols "$kanji_symbols" y
  echo "kanji_symbols=$kanji_symbols" >> config.param
else
  kanji_symbols=n
fi
if [ "$kanji_symbols" = y ]; then
  def_kanji_symbols="#define KANJI_SYMBOLS"
else
  def_kanji_symbols="#undef KANJI_SYMBOLS"
fi

echo "Do you want to automatically generate domain parts of passwords for anonymous FTP logins"
yesno ftppass_hostnamegen "$ftppass_hostnamegen" n
echo "ftppass_hostnamegen=$ftppass_hostnamegen" >> config.param
if [ "$ftppass_hostnamegen" = y ]; then
  def_ftppass_hostnamegen="#define FTPPASS_HOSTNAMEGEN"
else
  def_ftppass_hostnamegen="#undef FTPPASS_HOSTNAMEGEN"
fi

echo "Do you want listing of options"
yesno show_params "$show_params" n
echo "show_params=$show_params" >> config.param
if [ "$show_params" = y ]; then
  def_show_params="#define SHOW_PARAMS"
else
  def_show_params="#undef SHOW_PARAMS"
fi

echo "Do you want NNTP support"
yesno use_nntp "$use_nntp" n
echo "use_nntp=$use_nntp" >> config.param
if [ "$use_nntp" = y ]; then
  def_use_nntp="#define USE_NNTP"
else
  def_use_nntp="#undef USE_NNTP"
fi

echo "Do you want ANSI color escape sequences supprot?"
yesno ansi_color "$ansi_color" n
echo "ansi_color=$ansi_color" >> config.param
if [ "$ansi_color" = y ]; then
  def_ansi_color="#define ANSI_COLOR"
else
  def_ansi_color="#undef ANSI_COLOR"
fi

echo ""
echo "Let's do some configurations. Choose config option among the list."
echo ""
echo "1 - Baby model    (no color, no menu, no mouse, no cookie, no SSL)"
echo "2 - Little model  (color, menu, no mouse, no cookie, no SSL)"
echo "3 - Mouse model   (color, menu, mouse, no cookie, no SSL)"
echo "4 - Cookie model  (color, menu, mouse, cookie, no SSL)"
echo "5 - Monster model (with everything; you need openSSL library)"
echo "6 - Customize"
echo ""
Echo "Which? "
if [ -n "$dmodel" ]; then
  Echo "(default: $dmodel) "
fi

while :
do
readanswer ans "$dmodel"
if [ -z "$ans" -a -n "$dmodel" ]; then
  ans=$dmodel
fi
dmodel=$ans
case "$ans" in
  1)
    use_color=n; def_color="#undef COLOR"
    use_menu=n;  def_menu="#undef MENU"
    use_mouse=n; def_mouse="#undef MOUSE"
    use_cookie=n; def_cookie="#undef USE_COOKIE"
    use_ssl=n; def_ssl="#undef USE_SSL"
    save_params
    customized=y
    ;;
  2)
    use_color=y; def_color="#define COLOR"
    use_menu=y;  def_menu="#define MENU"
    use_mouse=n; def_mouse="#undef MOUSE"
    use_cookie=n; def_cookie="#undef USE_COOKIE"
    use_ssl=n; def_ssl="#undef USE_SSL"
    save_params
    customized=y
    ;;
  3)
    use_color=y; def_color="#define COLOR"
    use_menu=y;  def_menu="#define MENU"
    use_mouse=y; def_mouse="#define MOUSE"
    use_cookie=n; def_cookie="#undef USE_COOKIE"
    use_ssl=n; def_ssl="#undef USE_SSL"
    save_params
    customized=y
    ;;
  4)
    use_color=y; def_color="#define COLOR"
    use_menu=y;  def_menu="#define MENU"
    use_mouse=y; def_mouse="#define MOUSE"
    use_cookie=y; def_cookie="#define USE_COOKIE"
    use_ssl=n; def_ssl="#undef USE_SSL"
    save_params
    customized=y
    ;;
  5)
    use_color=y; def_color="#define COLOR"
    use_menu=y;  def_menu="#define MENU"
    use_mouse=y; def_mouse="#define MOUSE"
    use_cookie=y; def_cookie="#define USE_COOKIE"
    use_ssl=y; def_ssl="#define USE_SSL"
    find_ssl
    save_params
    customized=y
    ;;
  6)
    ;;
  *)
    echo "Please input 1-6."
    Echo "Which? "
    continue
  ;;
esac
break
done

if [ "$customized" != y ]; then

echo "Do you want to use color ESC sequence for kterm/pxvt "
yesno use_color "$use_color" y
echo "use_color=$use_color" >> config.param
if [ "$use_color" = y ]; then
  def_color="#define COLOR"
else
  def_color="#undef COLOR"
fi

echo 'Do you want to use mouse? (It requires xterm/kterm)'
yesno use_mouse "$use_mouse" n
echo "use_mouse=$use_mouse" >> config.param
if [ "$use_mouse" = y ]; then
  def_mouse="#define MOUSE"
else
  def_mouse="#undef MOUSE"
fi

echo "Do you want to use popup menu?"
yesno use_menu "$use_menu" y
echo "use_menu=$use_menu" >> config.param
if [ "$use_menu" = y ]; then
  def_menu="#define MENU"
else
  def_menu="#undef MENU"
fi

#echo "Do you want to use matrix in rendering table?"
#if [ "$use_matrix" = n ]; then
#  Echo '[n]? '
#  read ks_ans
#  if [ "$ks_ans" = 'y' ]; then
#    use_matrix='y'
#  fi
#else
#  Echo '[y]? '
#  read ks_ans
#  if [ "$ks_ans" = 'n' ]; then
#    use_matrix='n'
#  else
#    use_matrix='y'
#  fi
#fi
#use_matrix=y
#echo "use_matrix=$use_matrix" >> config.param
#if [ "$use_matrix" = y ]; then
#  def_matrix="#define MATRIX 1"
#else
#  def_matrix="#undef MATRIX"
#fi

echo "Do you want to use cookie?"
yesno use_cookie "$use_cookie" n
echo "use_cookie=$use_cookie" >> config.param
if [ "$use_cookie" = y ]; then
  def_cookie="#define USE_COOKIE"
else
  def_cookie="#undef USE_COOKIE"
fi

echo "Do you want to use SSL?"
echo '(You need OpenSSL library; Please see http://www.openssl.org/)'
yesno use_ssl "$use_ssl" n
echo "use_ssl=$use_ssl" >> config.param
if [ "$use_ssl" = y ]; then
  def_ssl="#define USE_SSL"
  find_ssl
else
  def_ssl="#undef USE_SSL"
  ssllib=""
  sslinclude=""
fi

fi

if [ "$use_ssl" = y ]; then
  echo "Do you want SSL verification support"
  echo '(Your SSL library must be version 0.8 or later)'
  yesno use_ssl_verify "$use_ssl_verify" n
  echo "use_ssl_verify=$use_ssl_verify" >> config.param
  if [ "$use_ssl_verify" = y ]; then
    def_use_ssl_verify="#define USE_SSL_VERIFY"
  else
    def_use_ssl_verify="#undef USE_SSL_VERIFY"
  fi
else
  use_ssl_verify=n
  def_use_ssl_verify="#undef USE_SSL_VERIFY"
fi

if [ -z "$ded" ] ; then ded=`./which \vi` ; fi
if [ -n  "`echo $ded | grep 'no'`" ] ; then ded=vi ; fi
echo "Input your favorite editor program."
Echo "(Default: $ded) "
readdir "$ded"
editor=$_dir
echo "ded='$editor'" >> config.param

if [ -z "$dmail" ] ; then 
  if ./which \mailx > /dev/null
  then
    dmail=`./which \mailx` 
  else
    dmail=`./which \mail`
  fi
  if [ -n  "`echo $dmail | grep 'no'`" ] ; then dmail=mailx ; fi
fi
echo "Input your favorite mailer program."
Echo "(Default: $dmail) "
readdir "$dmail"
mailer=$_dir
echo "dmail='$mailer'" >> config.param


if [ -z "$dbrowser" ] ; then 
  if ./which netscape > /dev/null
  then
    dbrowser=`./which netscape` 
  elif ./which iexplore > /dev/null
  then
    dbrowser=`./which iexplore`
  else
    dbrowser=`./which lynx`
  fi
  if [ -n  "`echo $dbrowser | grep 'no'`" ] ; then dbrowser=netscape ; fi
fi
echo "Input your favorite external browser program."
Echo "(Default: $dbrowser) "
readdir "$dbrowser"
brz=$_dir
echo "dbrowser='$brz'" >> config.param

if [ -z "$dcc" ] ; then 
  if ./which gcc >/dev/null
  then
    dcc=gcc
  else
    dcc=cc
  fi
fi
echo "Input your favorite C-compiler."
Echo "(Default: $dcc) "
readanswer cc "$dcc"
echo "dcc='$cc'" >> config.param

if [ -z "$dcflags" ] ; then dcflags="-O" ; fi
echo "Input your favorite C flags."
Echo "(Default: $dcflags) "
readanswer cflags "$dcflags"
echo "dcflags='$cflags'" >> config.param

bsdinclude=''
if [ ! -f /usr/include/netinet/in.h ] ; then
	if [ -f /usr/include/bsd/netinet/in.h ] ; then
		bsdinclude='-I/usr/include/bsd'
	elif [ -f /usr/bsdinclude/netinet/in.h ] ; then
		bsdinclude='-I/usr/bsdinclude'
	else
		echo "It seems you don't have some include files for networking."
	fi
fi

termlib=''
cat > _zmachdep.c << EOF
main()
{
  char bp[100];
  tgetent(bp,getenv("TERM"));
}
EOF

if [ -z "$dtermlib" ]; then
  TERM_LIBS='termcap termlib terminfo mytinfo curses ncurses'

  for lib in $TERM_LIBS
  do
    for libdir in /lib /usr/lib /usr/local/lib /usr/ucblib /usr/ccslib /usr/ccs/lib
    do
      if [ -f $libdir/lib$lib.a -o -f $libdir/lib$lib.so ] ; then 
        # check if the lib works...
        Echo "Terminal library -l$lib found at $libdir, "
        if $cc $cflags -o _zmachdep _zmachdep.c -l$lib > /dev/null 2>&1
        then
          echo "and it seems to work."
          termlib=-l$lib
        else
          echo "but it doesn't seem to work."
        fi
      fi
    done
  done
  if [ -z "$termlib" ]; then
    Echo "termcap/curses library not found; I hope -ltermcap works."
    termlib='-ltermcap'
  fi
  dtermlib=$termlib
fi
echo 'Which terminal library do you want to use? (type "none" if you do not need one)'
Echo "(default: $dtermlib) "
readanswer termlib "$dtermlib"
if [ "$termlib" = none ]; then
  termlib=""
else
  echo "dtermlib='$termlib'" >> config.param
fi

## Setup for math library
if [ $sysname = Rhapsody -o $sysname = "Mac OS" ]; then
  echo "MacOS X doesn't need -lm."
  mathlib=""
else
  mathlib="-lm"
fi

## look for GPM library
use_gpm=""
gpmlib=""
if [ "$use_mouse" = y ]; then
  for libdir in /lib /usr/lib /usr/local/lib
  do
    if [ -f $libdir/libgpm.a -o -f $libdir/libgpm.so ]; then
      echo "GPM library found."
      use_gpm="#define USE_GPM"
      gpmlib="-lgpm"
    fi
  done
fi

case $sysname in
  freebsd|FreeBSD)
    use_sysmouse="#define USE_SYSMOUSE"
    ;;
  *)
    use_sysmouse="#undef USE_SYSMOUSE"
    ;;
esac

extlib=''

case $sysname in
  *bsd)
    searchlibs="socket nsl"
    ;;
  *BSD)
    searchlibs="socket nsl"
    ;;
  *)
    searchlibs="bsd BSD 44bsd socket nsl"
    ;;
esac
for lib in $searchlibs
do
  for libdir in /lib /usr/lib /usr/local/lib /usr/ucblib /usr/ccslib /usr/ccs/lib
  do
    if [ -f $libdir/lib$lib.a -o -f $libdir/lib$lib.so ] ; then 
      extlib="$extlib -l$lib"
      break
    fi
  done
done
if [ $sysname = "HP-UX" ]; then
  extlib="$extlib -ldld"
fi
if [ -n "$extlib" ]; then
  echo "additional library found: $extlib"
fi

gclib=''
gcinclude=''
gctarget=''
for libdir in /lib /usr/lib /usr/local/lib /usr/ucblib /usr/ccslib /usr/ccs/lib ${HOME}/lib
do
  if [ -f $libdir/libgc.a -o -f $libdir/libgc.so ] ; then 
    echo "$libdir/libgc found"
    gclib="-L$libdir -lgc"
    break
  fi
done
for inc in /usr/include /usr/include/gc /usr/local/include /usr/local/include/gc ${HOME}/include
do
  if [ -f $inc/gc.h ]; then
    echo "$inc/gc.h found"
    gcinclude=$inc
    break
  fi
done

case $sysname in
  linux|Linux|LINUX|aix|Aix|AIX)
    # these OS requires gcmain.c, which include gc/gc_priv.h
    # therefore we use gc library comes with w3m
    echo "Your OS is $sysname; using gc library comes with w3m."
    gcinclude=""
    gclib=""
    ;;
esac

if [ -n "$gclib" -a -n "$gcinclude" ]; then
  Echo GC library found on your system...
  cat > _zmachdep.c << EOF
#include <gc.h>
main()
{
  extern unsigned GC_version;
  printf("%d%02d%03d\n",(GC_version>>16)&0xff,(GC_version>>8)&0xff,GC_version&0xff);
}
EOF
  if $cc $cflags -I$gcinclude -o _zmachdep _zmachdep.c $gclib > /dev/null 2>&1
  then
    echo "and it seems to work."
    gcversion=`./_zmachdep`
    echo "GC_version is $gcversion."    
    if [ $gcversion -lt $mygcversion ]; then
      echo "GC library on your system seems to be old."
      Echo "Do you want to use GC library comes with w3m?[y] "
      read ans
      if [ "$ans" = 'n' -o "$ans" = 'N' ]; then
        cflags="$cflags -I$gcinclude"
      else
        cflags="$cflags -I./gc/include"
        gclib="gc/gc.a"
        gctarget=$gclib
      fi
    else
      cflags="$cflags -I$gcinclude"
    fi
  else
    echo "but it doesn't seem to work."
    cflags="$cflags -I./gc/include"
    gclib="gc/gc.a"
    gctarget=$gclib
  fi
fi

if [ -z "$gclib" -o -z "$gcinclude" ]; then
  cflags="$cflags -I./gc/include"
  gclib="gc/gc.a"
  gctarget="$gclib"
fi

# Apply patch.
if [ "$gclib" = "gc/gc.a" -a ! -f patch_done ]; then
  patchfile=""
  case "$platform:$sysname" in
  [Aa]lpha:Linux)
    patchfile=Patches/alpha ;;
  [Ss]parc:Linux|sun4*:Linux)
      if [ "$sysversion1" = 2 -a "$sysversion2" = 2 ]
      then
        patchfile=Patches/linux2.2sparc
      fi
      ;;
  ARM*:Linux|arm*:Linux)
    patchfile=Patches/armlinux
    ;;
  [mM]ips*:Linux|MIPS*:Linux)
    patchfile=Patches/mipsel
    ;;
  *:HP-UX)
    if [ "$sysversion2" = 11 ]
    then
      patchfile=Patches/hpux11
    fi
    ;;
  macppc:NetBSD)
    patchfile = Patches/macppc
    ;;
  R3000:*System_V*|R4000:UNIX_SYSV|R*000:UNIX_SV)
    # EWS-4800
    patchfile=Patches/ews4800
    ;;
  *:NEWS-OS)
    patchfile=Patches/newsos6
    ;;
  *:Rhapsody|*:"Mac OS")
    # MacOS X
    patchfile=Patches/macosx
    ;;
  *:OS/2)
    # OS/2
    patchfile=Patches/os2
  esac

  if [ -n "$patchfile" -a -f "$patchfile" ]; then
    patch -p0 < $patchfile
    echo "dpatch='$patch'" >> config.param
    touch patch_done
  fi
fi


echo "Input additional LD flags other than listed above, if any:"
if [ -n "$dldflags" ]; then
  Echo "(default: $dldflags) : "
else
  Echo ": "
fi
readanswer ldflags "$dldflags" ok
if [ -z "$ldflags" ]; then
  ldflags=$dldflags
fi
echo "dldflags='$ldflags'" >> config.param

echo "Checking machine dependency."

###### mime.types
MIME_TYPES=""
for d in /usr/lib /usr/local/lib /usr/local/lib/mosaic /usr/local/mosaic /usr/local/netscape /usr/local/lib/netscape
do
  if [ -f $d/mime.types ]; then
    MIME_TYPES="$d/mime.types"
  fi
done
if [ -z "$MIME_TYPES" ]; then
  echo "Global mime.types not found; Hope /usr/local/lib/mime.types works."
  MIME_TYPES=/usr/local/lib/mime.types
fi

####### ranlib
if ./which ranlib > /dev/null
then
  echo "You have ranlib."
  ranlib_cmd=ranlib
else
  if [ $sysname = "OS/2" ]; then
    ranlib_cmd=rem
  else
  echo "You don't have ranlib."
  ranlib_cmd=:
  fi
fi

####### mkdir -p
if mkdir -p hogege 
then
  echo "You have mkdir -p."
  MKDIR="mkdir -p"
else
  MKDIR="mkdir"
fi
rm -rf hogege 2>&1 >/dev/null

####### strcasecmp
cat > _zmachdep.c << EOF
#include <string.h>
main()
{
  int i;
  i = strcasecmp("abc","def");
}
EOF
if $cc $cflags -o _zmachdep _zmachdep.c > /dev/null 2>&1
then
  echo "You have strcasecmp()."
  strcasecmp_flg="#define STRCASECMP"
else
  echo "You don't have strcasecmp()."
  strcasecmp_flg="#undef STRCASECMP"
fi

####### strchr
cat > _zmachdep.c << EOF
#include <string.h>
main()
{
  char *p, *q = "abc";
  p = strchr(q,'c');
}
EOF
if $cc $cflags -o _zmachdep _zmachdep.c > /dev/null 2>&1
then
  echo "You have strchr()."
  strchr_flg="#define STRCHR"
else
  echo "You don't have strchr()."
  strchr_flg="#undef STRCHR"
fi

####### strerror
cat > _zmachdep.c << EOF
main()
{
  int i;
  i = strerror(0);
}
EOF
if $cc $cflags -o _zmachdep _zmachdep.c > /dev/null 2>&1
then
  echo "You have strerror()."
  strerror_flg="#define STRERROR"
else
  echo "You don't have strerror()."
  strerror_flg="#undef STRERROR"
fi


####### sys_errlist
cat > _zmachdep.c << EOF
main()
{
  extern char sys_errlist[];
}
EOF
if $cc $cflags -o _zmachdep _zmachdep.c > /dev/null 2>&1
then
  echo "You have sys_errlist[]."
  syserrlist_flg="#define SYS_ERRLIST"
else
  echo "You don't have sys_errlist[]."
  syserrlist_flg="#undef SYS_ERRLIST"
fi

####### bcopy
cat > _zmachdep.c << EOF
main()
{
  char x[1],y[1];
  bzero(x,1);
  bcopy(x,y,1);
}
EOF
if $cc $cflags -o _zmachdep _zmachdep.c > /dev/null 2>&1
then
  echo "You have bcopy()."
  bcopy_flg="#undef NOBCOPY"
else
  echo "You don't have bcopy()."
  bcopy_flg="#define NOBCOPY"
fi

####### waitpid
cat > _zmachdep.c << EOF
#include <sys/types.h>
#include <sys/wait.h>

main()
{
    pid_t pid;
    int status;
    if ((pid = fork()) == 0) {
       sleep(10);
       exit(1);
    }
    while(waitpid(pid,&status,WNOHANG));
}
EOF
if $cc $cflags -o _zmachdep _zmachdep.c > /dev/null 2>&1
then
  echo "You have waitpid()."
  waitpid_flg="#define HAVE_WAITPID"
else
  echo "You don't have waitpid()."
  waitpid_flg="#undef HAVE_WAITPID"
fi

####### wait3
cat > _zmachdep.c << EOF
#include <sys/types.h>
#include <time.h>
#include <sys/time.h>
#include <sys/resource.h>
#include <sys/wait.h>
#ifndef NULL
#define NULL 0
#endif

main()
{
    int pid;
    int status;
    if ((pid = fork()) == 0) {
       sleep(10);
       exit(1);
    }
    while(wait3(&status,WNOHANG,NULL) > 0);
}
EOF
if $cc $cflags -o _zmachdep _zmachdep.c > /dev/null 2>&1
then
  echo "You have wait3()."
  wait3_flg="#define HAVE_WAIT3"
else
  echo "You don't have wait3()."
  wait3_flg="#undef HAVE_WAIT3"
fi

####### strftime
cat > _zmachdep.c << EOF
#include <time.h>

main()
{
    time_t ct;
    struct tm *tm;
    char t[80];
    time(&ct);
    strftime(t, 80, "%a, %d %b %Y %H:%M:%S GMT",gmtime(&ct));
}
EOF
if $cc $cflags -o _zmachdep _zmachdep.c > /dev/null 2>&1
then
  echo "You have strftime()."
  strftime_flg="#define HAVE_STRFTIME"
else
  echo "You don't have strftime()."
  strftime_flg="#undef HAVE_STRFTIME"
fi


####### getcwd
cat > _zmachdep.c << EOF
#include <sys/param.h>
#include <unistd.h>
main()
{
  char path[MAXPATHLEN];
  getcwd(path,MAXPATHLEN);
}
EOF
if $cc $cflags -o _zmachdep _zmachdep.c > /dev/null 2>&1
then
  echo "You have getcwd()."
  getcwd_flg="#define GETCWD"
else
  echo "You don't have getcwd()."
  getcwd_flg="#undef GETCWD"
fi

####### getwd
cat > _zmachdep.c << EOF
main()
{
  char path[64];
  getwd(path);
}
EOF
if $cc $cflags -o _zmachdep _zmachdep.c > /dev/null 2>&1
then
  echo "You have getwd()."
  getwd_flg="#define GETWD"
else
  echo "You don't have getwd()."
  getwd_flg="#undef GETWD"
fi

####### readlink
cat > _zmachdep.c << EOF
main()
{
  char path[64],lpath[64];
  readlink(path,lpath,64);
}
EOF
if $cc $cflags -o _zmachdep _zmachdep.c > /dev/null 2>&1
then
  echo "You have readlink()."
  readlink_flg="#define READLINK"
else
  echo "You don't have readlink()."
  readlink_flg="#undef READLINK"
fi

####### setenv
cat > _zmachdep.c << EOF
#include <stdlib.h>
main()
{
  setenv("HOGE","hoge",1);
}
EOF
if $cc $cflags -o _zmachdep _zmachdep.c > /dev/null 2>&1
then
  echo "You have setenv()."
  setenv_flg="#define HAVE_SETENV"
else
  echo "You don't have setenv()."
  setenv_flg="#undef HAVE_SETENV"
fi

####### putenv
cat > _zmachdep.c << EOF
#include <stdlib.h>
main()
{
  putenv("HOGE=hoge");
}
EOF
if $cc $cflags -o _zmachdep _zmachdep.c > /dev/null 2>&1
then
  echo "You have putenv()."
  putenv_flg="#define HAVE_PUTENV"
else
  echo "You don't have putenv()."
  putenv_flg="#undef HAVE_PUTENV"
fi

####### sigsetjmp
cat > _zmachdep.c << EOF
#include <setjmp.h>
main()
{
  jmp_buf env;
  if (sigsetjmp(env,1) != 0) {
    exit(0);
  }
  siglongjmp(env,1);
}
EOF
if $cc $cflags -o _zmachdep _zmachdep.c > /dev/null 2>&1
then
  echo "You have sigsetjmp()."
  setjmp_def="#define SETJMP(env) sigsetjmp(env,1)"
  longjmp_def="#define LONGJMP(env,val) siglongjmp(env,val)"
  jmpbuf_def="#define JMP_BUF sigjmp_buf"
else
  echo "You don't have sigsetjmp()."
  setjmp_def="#define SETJMP(env) setjmp(env)"
  longjmp_def="#define LONGJMP(env,val) longjmp(env)"
  jmpbuf_def="#define JMP_BUF jmp_buf"
fi

####### fclose
cat > _zmachdep.c << EOF
#include <stdio.h>
#include <stdlib.h>
main()
{
  void (*c)() = fclose;
}
EOF
if $cc $cflags -o _zmachdep _zmachdep.c > /dev/null 2>&1
then
  echo "fclose() is declared."
  fclose_dcl=''
else
  echo "fclose() is not declared."
  fclose_dcl='void fclose(FILE*);'
fi

####### pclose
cat > _zmachdep.c << EOF
#include <stdio.h>
#include <stdlib.h>
main()
{
  void (*c)() = pclose;
}
EOF
if $cc $cflags -o _zmachdep _zmachdep.c > /dev/null 2>&1
then
  echo "pclose() is declared."
  pclose_dcl=''
else
  echo "pclose() is not declared."
  pclose_dcl='void pclose(FILE*);'
fi

####### termios/termio/sgtty
term_if='#define SGTTY'
if [ $sysname = "HP-UX" ]; then
	echo "Your OS is HP-UX; using termio"
	term_if="#define TERMIO"
elif [ $sysname = "CYGWIN" ]; then
	echo "Your OS is CYGWIN; using termios"
	term_if="#define TERMIOS"
elif [ $sysname = "OS/2" ]; then
	echo "Your OS is OS/2; using termios"
	term_if='#define TERMIOS'
elif [ -r /usr/include/termios.h ]; then
	echo "You have termios."
	term_if='#define TERMIOS'
elif [ -r /usr/include/termio.h ]; then
	echo "You have termio."
	term_if='#define TERMIO'
elif [ -r /usr/include/sgtty.h ]; then
	echo "You have sgtty."
	term_if='#define SGTTY'
else
	echo "Do you have tty interface? I can't find one but I hope sgtty works..."
fi

####### dirent/direct
dir_if=''
if [ $sysname = "CYGWIN" ]; then
	echo "Your OS is CYGWIN; using dirent.h"
	dir_if='#define DIRENT'
elif [ $sysname = "OS/2" ]; then
	echo "Your OS is OS/2; using dirent.h"
	dir_if='#define DIRENT'
elif [ -r /usr/include/dirent.h ]; then
	echo "You have dirent.h."
	dir_if='#define DIRENT'
elif [ -r /usr/include/sys/dir.h ]; then
	echo "You have sys/dir.h."
	dir_if=''
else
	echo "Do you have directory interface? I can't find one but I hope sys/dir.h works..."
fi

# check signal handler

do_sigtest int int
if [ $stat = 0 -a -z "$warning" ]
then
  echo 'signal handler is int handler(int).'
  sig_type='typedef int MySignalHandler;'
  sig_arg='#define SIGNAL_ARG int _dummy'
  sig_arglist='#define SIGNAL_ARGLIST 0'
  sig_return='#define SIGNAL_RETURN return 0'
else
  do_sigtest int void
  if [ $stat = 0 -a -z "$warning" ]
  then
    echo 'signal handler is int handler(void).'
    sig_type='typedef int MySignalHandler;'
    sig_arg='#define SIGNAL_ARG void'
    sig_arglist='#define SIGNAL_ARGLIST'
    sig_return='#define SIGNAL_RETURN return 0'
  else
    do_sigtest void int
    if [ $stat = 0 -a -z "$warning" ]
    then
      echo 'signal handler is void handler(int).'
      sig_type='typedef void MySignalHandler;'
      sig_arg='#define SIGNAL_ARG int _dummy'
      sig_arglist='#define SIGNAL_ARGLIST 0'
      sig_return='#define SIGNAL_RETURN return'
    else
      do_sigtest void void
      if [ $stat = 0 -a -z "$warning" ]
      then
        echo 'signal handler is void handler(void).'
      else
        echo 'I could not find the type of signal handler. I hope void handler(void) works.'
      fi
      sig_type='typedef void MySignalHandler;'
      sig_arg='#define SIGNAL_ARG void'
      sig_arglist='#define SIGNAL_ARGLIST'
      sig_return='#define SIGNAL_RETURN return'
    fi
  fi
fi

# check for float.h
cat > _zmachdep.c << EOF
#include <float.h>
main()
{
  ;
}
EOF
if $cc $cflags -c _zmachdep.c > /dev/null 2>&1
then
  echo "You have float.h."
  no_float_h='#undef NO_FLOAT_H'
else
  no_float_h='#define NO_FLOAT_H 1'
fi

###### IPv6 support check
cat > _zmachdep.c <<EOF
#include <sys/types.h>
#include <sys/socket.h>
main()
{
 if (socket(AF_INET6, SOCK_STREAM, 0) < 0)
   exit(1);
 else
   exit(0);
}
EOF
ipv6="#undef INET6"
v6lib=''
if $cc $cflags -o _zmachdep _zmachdep.c $extlib > /dev/null 2>&1
then
  if ./_zmachdep; then
    ipv6="#define INET6"
  fi
  case $sysname in
  *BSD|*bsd)
    cat > _zmachdep.c <<EOF
#include <sys/types.h>
#include <sys/socket.h>
#include <netdb.h>

struct addrinfo *hints, **res;

int main() {
    getaddrinfo("null", "null", hints, res);
}
EOF
    if $cc $cflags -o _zmachdep _zmachdep.c $extlib > /dev/null 2>&1
    then
      echo "You have getaddrinfo() in libc."
    else
      for libdir in /usr/local/v6/lib /usr/local/lib /usr/lib
      do
	if [ -e $libdir/libinet6.a ]; then
	  if [ "$libdir" != "/usr/lib" ]; then
	    v6lib="-L$libdir"
	  fi
	  v6lib="$v6lib -linet6"
	  if $cc $cflags -o _zmachdep _zmachdep.c $extlib $v6lib > /dev/null 2>&1
	  then
	    echo "You have getaddrinfo() in libinet6."
	  fi
	  break
	fi
      done
      if [ "X$v6lib" = "X" ]; then
	echo "You don't have getaddrinfo()."
	ipv6="#undef INET6"
      fi
    fi
    ;;
  CYGWIN*)
    ipv6="#undef INET6"
    ;;
  esac
fi
if [ "$ipv6" = "#undef INET6" ]; then
  echo "You don't have IPv6 support."
else
  echo "You have IPv6 support."
fi



rm -f _zmachdep$extension _zmachdep.c _zmachdep.o
echo "------------ Configuration done ------------"

# set model name
case $dmodel in
  1) modelname=baby;;
  2) modelname=little;;
  3) modelname=mouse;;
  4) modelname=cookie;;
  5) modelname=monster;;
  6) modelname=custom;;
esac

cat > extrvers.c << EOF
#include <stdio.h>
#include <string.h>
#include "version.c"
main()
{
  char *p = strchr(version,'/');
  if (p == NULL)
    printf("unknown\n");
  else
    printf("%s\n",p+1);
}
EOF
$cc $cflags -o extrvers extrvers.c  > /dev/null 2>&1
w3mversion=`./extrvers`
echo "Current w3m version is $w3mversion."
rm -f extrvers.c extrvers$extension

echo "Extracting config.h"
cat > config.h << END_OF_CONFIG_H
/*
 * Configuration for w3m
 */

#ifndef _CONFIGURED_
#define _CONFIGURED_

/* User Configuration */

/* 
   If you define DICT, you can use dictionary look-up function
   in w3m. See README.dict for detail.
*/
#undef DICT

/*
   If you define USE_MARK, you can use set-mark (C-SPC),
   goto-next-mark (ESC p), goto-next-mark (ESC n) and
   mark-by-regexp (").
*/
#undef USE_MARK

/*
   If you want to load and save URL history.
 */
#define USE_HISTORY

/*
   BG_COLOR enables w3m to set background color.
 */
#define BG_COLOR

/*
   VIEW_UNSEENOBJECTS enables w3m to make a link to unseen objects.
   e.g. background image.
 */
#undef VIEW_UNSEENOBJECTS

/*
   VI_PREC_NUM enables vi-like behavior for '2 SPC' or '2 b'
 */
#undef VI_PREC_NUM

/*
 * Do word fill
 */
#undef FORMAT_NICE

/*
 * Support Gopher protocol
 */
#undef USE_GOPHER

/*
 * Support NNTP
 */
$def_use_nntp

/*
 * Support ANSI color escape sequences
 */
$def_ansi_color

/*
 * Enable id attribute
 */
#define ID_EXT

/*
 * Save Current-buffer Information
 */
#define BUFINFO

/*
 * Support EGD (Entropy Gathering Daemon)
 */
#undef USE_EGD

/*
 * MENU_MAP enables w3m to show image map link with popup menu.
 */
#define MENU_MAP

/*
 * Use Emacs-like key binding for file name completion
 */
#undef EMACS_LIKE_LINEEDIT

/*
 * Remove line trailing spaces in html buffer.
 */
#undef ENABLE_REMOVE_TRAILINGSPACES

/**********************************************************/
#ifdef makefile_parameter

BIN_DIR = $bindir
HELP_DIR = $helpdir
LIB_DIR = $suplibdir
HELP_FILE = $helpfile
SYS_LIBRARIES = $gpmlib $extlib $termlib $ssllib $v6lib
LOCAL_LIBRARIES = $ldflags
CC = $cc
MYCFLAGS = $cflags $bsdinclude $sslinclude
GCCFLAGS = $cflags -DATOMIC_UNCOLLECTABLE -DNO_EXECUTE_PERMISSION -DALL_INTERIOR_POINTERS -DSILENT -DNO_DEBUGGING #-DNO_SIGNALS
KEYBIND_SRC = $keymap_file.c
KEYBIND_OBJ = $keymap_file.o
EXT=$extension
MATHLIB=$mathlib
GCLIB=$gclib
GCTARGET=$gctarget
RANLIB=$ranlib_cmd
MKDIR=$MKDIR
VERSION=$w3mversion
MODEL=$sysname.$platform-$modelname-$lang
#else
$special_sys

#define DISPLAY_CODE '$ncode'

#define JA 0
#define EN 1
$use_lang
$def_kanji_symbols
$def_color
$def_mouse
$use_gpm
$use_sysmouse
$def_menu
$def_cookie
$def_ssl
$def_use_ssl_verify
$def_ftppass_hostnamegen
$def_show_params

#define DEF_EDITOR "$editor"
#define DEF_MAILER "$mailer"
#define DEF_EXT_BROWSER "$brz"

#define LIB_DIR      "$suplibdir"
#define HELP_DIR     "$helpdir"
#define HELP_FILE    "w3mhelp.html"
#define W3MCONFIG    "w3mconfig"

#define RC_DIR       "~/.w3m/"
#define BOOKMARK     "bookmark.html"
#define CONFIG_FILE  "config"
#define KEYMAP_FILE  "keymap"
#define MENU_FILE    "menu"
#define COOKIE_FILE  "cookie"
#define HISTORY_FILE "history"

#define USER_MAILCAP RC_DIR "/mailcap"
#define SYS_MAILCAP  "/etc/mailcap"
#define USER_MIMETYPES "~/.mime.types"
#define SYS_MIMETYPES "$MIME_TYPES"

#define DEF_SAVE_FILE "index.html"

$term_if
$dir_if
$strcasecmp_flg
$strchr_flg
$strerror_flg
$syserrlist_flg
$bcopy_flg
$waitpid_flg
$wait3_flg
$strftime_flg
$getdtablesize_flg
$getcwd_flg
$getwd_flg
$readlink_flg
$setenv_flg
$putenv_flg
$readlink_flg
$fclose_dcl
$pclose_dcl
$setjmp_def
$longjmp_def
$jmpbuf_def

$sig_type
$sig_arg
$sig_arglist
$sig_return
/*
   If you want to use IPv6, define this symbol.
 */
$ipv6

#undef TABLE_EXPAND
#undef TABLE_NO_COMPACT
#define NOWRAP 1
#define NEW_FORM 1
#define MATRIX 1
$no_float_h

#endif /* makefile_parameter */
#endif /* _CONFIGURED_ */

END_OF_CONFIG_H

echo ''
echo 'config.h is created. See config.h for further configuration.'
echo ''
echo 'Generating dirlist.cgi'

perl=`./which perl`
if [ `expr "$perl" : 'not found'` != 0 ]; then
  perl=/usr/local/bin/perl
fi
if [ $sysname = CYGWIN ]; then
  cygwin=1
else
  cygwin=0
fi
sed -e "s;@PERL@;$perl;" \
    -e "s;@CYGWIN@;$cygwin;" \
    scripts/dirlist.in > scripts/dirlist.cgi


echo 'Configuration done. Just type "make".'