#!/bin/sh
# Guess values for system-dependent variables and create Makefiles.
# Generated automatically using autoconf.
# Copyright (C) 1991, 1992 Free Software Foundation, Inc.

# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2, or (at your option)
# any later version.

# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.

# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.

# Usage: configure [--srcdir=DIR] [--host=HOST] [--gas] [--nfp] [--no-create]
#        [--prefix=PREFIX] [--exec_prefix=PREFIX] [--with-PROGRAM] [TARGET]
# Ignores all args except --srcdir, --prefix, --exec_prefix, and --no-create.

trap 'rm -f conftest* core; exit 1' 1 3 15

for arg
do
  # Handle --exec_prefix with a space before the argument.
  if test x$next_exec_prefix = xyes; then exec_prefix=$arg; next_exec_prefix=
  # Handle --host with a space before the argument.
  elif test x$next_host = xyes; then next_host=
  # Handle --prefix with a space before the argument.
  elif test x$next_prefix = xyes; then prefix=$arg; next_prefix=
  # Handle --srcdir with a space before the argument.
  elif test x$next_srcdir = xyes; then srcdir=$arg; next_srcdir=
  else
    case $arg in
     -exec_prefix=* | --exec_prefix=* | --exec_prefi=* | --exec_pref=* | --exec_pre=* | --exec_pr=* | --exec_p=* | --exec_=* | --exec=* | --exe=* | --ex=* | --e=*)
	exec_prefix=`echo $arg | sed 's/[-a-z_]*=//'` ;;
     -exec_prefix | --exec_prefix | --exec_prefi | --exec_pref | --exec_pre | --exec_pr | --exec_p | --exec_ | --exec | --exe | --ex | --e)
	next_exec_prefix=yes ;;

     -gas | --gas | --ga | --g) ;;

     -host=* | --host=* | --hos=* | --ho=* | --h=*) ;;
     -host | --host | --hos | --ho | --h)
	next_host=yes ;;

     -nfp | --nfp | --nf) ;;

     -no-create | --no-create | --no-creat | --no-crea | --no-cre | --no-cr | --no-c | --no- | --no)
        no_create=1 ;;

     -prefix=* | --prefix=* | --prefi=* | --pref=* | --pre=* | --pr=* | --p=*)
	prefix=`echo $arg | sed 's/[-a-z_]*=//'` ;;
     -prefix | --prefix | --prefi | --pref | --pre | --pr | --p)
	next_prefix=yes ;;

     -srcdir=* | --srcdir=* | --srcdi=* | --srcd=* | --src=* | --sr=* | --s=*)
	srcdir=`echo $arg | sed 's/[-a-z_]*=//'` ;;
     -srcdir | --srcdir | --srcdi | --srcd | --src | --sr | --s)
	next_srcdir=yes ;;

     -with-* | --with-*) ;;

     *) ;;
    esac
  fi
done

rm -f conftest*
compile='${CC-cc} $DEFS conftest.c -o conftest $LIBS >/dev/null 2>&1'

# A filename unique to this package, relative to the directory that
# configure is in, which we can look for to find out if srcdir is correct.
unique_file=screen.c

# Find the source files, if location was not specified.
if test -z "$srcdir"; then
  srcdirdefaulted=yes
  # Try the directory containing this script, then `..'.
  prog=$0
  confdir=`echo $prog|sed 's%/[^/][^/]*$%%'`
  test "X$confdir" = "X$prog" && confdir=.
  srcdir=$confdir
  if test ! -r $srcdir/$unique_file; then
    srcdir=..
  fi
fi
if test ! -r $srcdir/$unique_file; then
  if test x$srcdirdefaulted = xyes; then
    echo "configure: Can not find sources in \`${confdir}' or \`..'." 1>&2
  else
    echo "configure: Can not find sources in \`${srcdir}'." 1>&2
  fi
  exit 1
fi
# Preserve a srcdir of `.' to avoid automounter screwups with pwd.
# But we can't avoid them for `..', to make subdirectories work.
case $srcdir in
  .|/*|~*) ;;
  *) srcdir=`cd $srcdir; pwd` ;; # Make relative path absolute.
esac


compile='rm -f conftest.t;
  mv conftest.c conftest.t;
  echo "$DEFS" > conftest.c;
  cat conftest.t >> conftest.c;
  rm -f conftest.t;
  ${CC-cc} conftest.c -o conftest $LIBS >/dev/null 2>&1'


if test -z "$CC"; then
  echo checking for gcc
  saveifs="$IFS"; IFS="${IFS}:"
  for dir in $PATH; do
    test -z "$dir" && dir=.
    if test -f $dir/gcc; then
      CC="gcc"
      break
    fi
  done
  IFS="$saveifs"
fi
test -z "$CC" && CC="cc"

# Find out if we are using GNU C, under whatever name.
cat <<EOF > conftest.c
#ifdef __GNUC__
  yes
#endif
EOF
${CC-cc} -E conftest.c > conftest.out 2>&1
if egrep yes conftest.out >/dev/null 2>&1; then
  GCC=1 # For later tests.
  CC="$CC -O"
fi
rm -f conftest*

echo checking how to run the C preprocessor
if test -z "$CPP"; then
  CPP='${CC-cc} -E'
  cat <<EOF > conftest.c
$DEFS
#include <stdio.h>
EOF
err=`eval "$CPP conftest.c 2>&1 >/dev/null"`
if test -z "$err"; then
  :
else
  CPP=/lib/cpp
fi
rm -f conftest*
fi

if test -n "$GCC"; then
  echo checking whether -traditional is needed
  pattern="Autoconf.*'x'"
  prog='#include <sgtty.h>
Autoconf TIOCGETP'
  cat <<EOF > conftest.c
$DEFS
$prog
EOF
eval "$CPP conftest.c > conftest.out 2>&1"
if egrep "$pattern" conftest.out >/dev/null 2>&1; then
  need_trad=1
fi
rm -f conftest*


  if test -z "$need_trad"; then
    prog='#include <termio.h>
Autoconf TCGETA'
    cat <<EOF > conftest.c
$DEFS
$prog
EOF
eval "$CPP conftest.c > conftest.out 2>&1"
if egrep "$pattern" conftest.out >/dev/null 2>&1; then
  need_trad=1
fi
rm -f conftest*

  fi
  test -n "$need_trad" && CC="$CC -traditional"
fi

# Make sure to not get the incompatible SysV /etc/install and
# /usr/sbin/install, which might be in PATH before a BSD-like install,
# or the SunOS /usr/etc/install directory, or the AIX /bin/install.
if test -z "$INSTALL"; then
  echo checking for install
  saveifs="$IFS"; IFS="${IFS}:"
  for dir in $PATH; do
    test -z "$dir" && dir=.
    case $dir in
    /etc|/usr/sbin|/usr/etc) ;;
    *)
      if test -f $dir/install; then
	if grep dspmsg $dir/install >/dev/null 2>&1; then
	  : # AIX
	else
	  INSTALL="$dir/install -c"
	  INSTALL_PROGRAM='$(INSTALL)'
	  INSTALL_DATA='$(INSTALL) -m 644'
	  break
	fi
      fi
      ;;
    esac
  done
  IFS="$saveifs"
fi
INSTALL=${INSTALL-cp}
INSTALL_PROGRAM=${INSTALL_PROGRAM-'$(INSTALL)'}
INSTALL_DATA=${INSTALL_DATA-'$(INSTALL)'}


echo checking for POSIXized ISC
if test -d /etc/conf/kconfig.d &&
  grep _POSIX_VERSION /usr/include/sys/unistd.h >/dev/null 2>&1
then
  ISC=1 # If later tests want to check for ISC.
  DEFS="${DEFS}#define _POSIX_SOURCE 1
"
  if test -n "$GCC"; then
    CC="$CC -posix"
  else
    CC="$CC -Xp"
  fi
fi

if test -n "$ISC"; then
  DEFS="${DEFS}#define ISC 1
" LIBS="$LIBS -linet"
fi

echo checking for RiscOS
if test -f /lib/libmld.a; then # RiscOS.
  test -z "$GCC" && CC="$CC -systype bsd43"
  DEFS="${DEFS}#define MIPS 1
" LIBS="$LIBS -lmld" # for loadavg.
fi

echo checking for Ultrix
cat <<EOF > conftest.c
$DEFS
#if defined(ultrix) || defined(__ultrix) || defined(__ultrix)
  yes
#endif

EOF
eval "$CPP conftest.c > conftest.out 2>&1"
if egrep "yes" conftest.out >/dev/null 2>&1; then
  ULTRIX=1
fi
rm -f conftest*


if test -n "$ULTRIX"; then
  test -z "$GCC" && CC="$CC -YBSD"
else
  # POSIX termios is broken on Ultrix so don't look for it.
echo checking for POSIX.1
cat <<EOF > conftest.c
$DEFS
#include <sys/types.h>
#include <unistd.h>
main () {
#ifdef _POSIX_VERSION
  yes
#endif

EOF
eval "$CPP conftest.c > conftest.out 2>&1"
if egrep "yes" conftest.out >/dev/null 2>&1; then
  DEFS="${DEFS}#define POSIX 1
"
fi
rm -f conftest*

fi

echo checking for BSD job control
echo "#include <sys/types.h>
#include <sys/ioctl.h>
main() { exit(0); } t() { int x = TIOCNOTTY; }" > conftest.c
if eval $compile; then
  DEFS="${DEFS}#define BSDJOBS 1
"
fi
rm -f conftest*


echo checking for termio or termios
cat <<EOF > conftest.c
$DEFS
#include <termios.h>
EOF
err=`eval "$CPP conftest.c 2>&1 >/dev/null"`
if test -z "$err"; then
  DEFS="${DEFS}#define TERMIO 1
"
fi
rm -f conftest*
cat <<EOF > conftest.c
$DEFS
#include <termio.h>
EOF
err=`eval "$CPP conftest.c 2>&1 >/dev/null"`
if test -z "$err"; then
  DEFS="${DEFS}#define TERMIO 1
"
fi
rm -f conftest*

echo checking for termcap or terminfo
if test ! -f /etc/termcap && test ! -f /usr/share/lib/termcap; then
  DEFS="${DEFS}#define TERMINFO 1
" LIBS="$LIBS -lcurses"
else
  LIBS="$LIBS -ltermcap"
fi

echo checking for shadow.h
cat <<EOF > conftest.c
$DEFS
#include <shadow.h>
EOF
err=`eval "$CPP conftest.c 2>&1 >/dev/null"`
if test -z "$err"; then
  DEFS="${DEFS}#define SHADOWPW 1
"
fi
rm -f conftest*


echo checking for System V
echo "#include <sys/types.h>
#include <signal.h>
#include <fcntl.h>
main() { exit(0); } t() { int x = SIGCHLD | FNDELAY; }" > conftest.c
if eval $compile; then
  :
else
  DEFS="${DEFS}#define SYSV 1
"
fi
rm -f conftest*


echo "${DEFS}#include <signal.h>" > conftest.c
eval "$CPP conftest.c > conftest.out 2>&1"
if egrep "(void|sighandler_t).*signal" conftest.out >/dev/null 2>&1; then
  DEFS="${DEFS}#define SIGVOID 1
"
fi
rm -f conftest*


echo checking for directory library header
echo checking for dirent.h
cat <<EOF > conftest.c
$DEFS
#include <dirent.h>
EOF
err=`eval "$CPP conftest.c 2>&1 >/dev/null"`
if test -z "$err"; then
  DEFS="${DEFS}#define DIRENT 1
" dirheader=dirent.h
fi
rm -f conftest*

if test -z "$dirheader"; then
echo checking for sys/ndir.h
cat <<EOF > conftest.c
$DEFS
#include <sys/ndir.h>
EOF
err=`eval "$CPP conftest.c 2>&1 >/dev/null"`
if test -z "$err"; then
  DEFS="${DEFS}#define SYSNDIR 1
" dirheader=sys/ndir.h
fi
rm -f conftest*

fi
if test -z "$dirheader"; then
echo checking for sys/dir.h
cat <<EOF > conftest.c
$DEFS
#include <sys/dir.h>
EOF
err=`eval "$CPP conftest.c 2>&1 >/dev/null"`
if test -z "$err"; then
  DEFS="${DEFS}#define SYSDIR 1
" dirheader=sys/dir.h
fi
rm -f conftest*

fi

echo checking for closedir return value
cat <<EOF > conftest.c
#include <sys/types.h>
#include <$dirheader>
int closedir(); main() { exit(0); }
EOF
eval $compile
if test -s conftest && (./conftest; exit) 2>/dev/null; then
  :
else
  DEFS="${DEFS}#define VOID_CLOSEDIR 1
"
fi
rm -f conftest*


echo checking for getutent
echo "#include <time.h> /* to get time_t on SCO */
#include <utmp.h>
main() { exit(0); } t() { int x = DEAD_PROCESS; getutent(); }" > conftest.c
if eval $compile; then
  DEFS="${DEFS}#define GETUTENT 1
"
fi
rm -f conftest*


# Check for the 4.4BSD definition of getloadavg.
echo checking for libutils
test -f /usr/lib/libutils.a && LIBS="$LIBS -lutils"
for func in getloadavg
do
echo checking for ${func}
echo "
main() { exit(0); } t() { 
/* Override any gcc2 internal prototype to avoid an error.  */
extern char ${func}(); ${func}(); }" > conftest.c
if eval $compile; then
  :
else
  LIBOBJS="$LIBOBJS ${func}.o"
fi
rm -f conftest*

done


case "$LIBOBJS" in
*getloadavg*)
echo checking for sys/dg_sys_info.h
cat <<EOF > conftest.c
$DEFS
#include <sys/dg_sys_info.h>
EOF
err=`eval "$CPP conftest.c 2>&1 >/dev/null"`
if test -z "$err"; then
  DEFS="${DEFS}#define DGUX 1
" have_sym=1
fi
rm -f conftest*

if test -z "$have_sym"; then
# Solaris 2 does not use dwarf, but it's still SVR4.
echo checking for elf.h
cat <<EOF > conftest.c
$DEFS
#include <elf.h>
EOF
err=`eval "$CPP conftest.c 2>&1 >/dev/null"`
if test -z "$err"; then
  DEFS="${DEFS}#define SVR4 1
" LIBS="$LIBS -lelf" have_sym=1
fi
rm -f conftest*

fi
if test -z "$have_sym"; then
echo checking for inq_stats/cpustats.h
cat <<EOF > conftest.c
$DEFS
#include <inq_stats/cpustats.h>
EOF
err=`eval "$CPP conftest.c 2>&1 >/dev/null"`
if test -z "$err"; then
  DEFS="${DEFS}#define UMAX4_3 1
" DEFS="${DEFS}#define UMAX 1
" have_sym=1
fi
rm -f conftest*

fi
if test -z "$have_sym"; then
echo checking for sys/cpustats.h
cat <<EOF > conftest.c
$DEFS
#include <sys/cpustats.h>
EOF
err=`eval "$CPP conftest.c 2>&1 >/dev/null"`
if test -z "$err"; then
  DEFS="${DEFS}#define UMAX 1
" have_sym=1
fi
rm -f conftest*

fi
if test -z "$have_sym"; then
echo checking for nlist.h
cat <<EOF > conftest.c
$DEFS
#include <nlist.h>
EOF
err=`eval "$CPP conftest.c 2>&1 >/dev/null"`
if test -z "$err"; then
  DEFS="${DEFS}#define NLIST_STRUCT 1
"
echo checking for n_un in struct nlist
echo "#include <nlist.h>
main() { exit(0); } t() { struct nlist n; n.n_un.n_name = 0; }" > conftest.c
if eval $compile; then
  DEFS="${DEFS}#define NLIST_NAME_UNION 1
"
fi
rm -f conftest*

fi
rm -f conftest*
fi
;;
esac


echo checking for mknod declaration
cat <<EOF > conftest.c
#include <sys/types.h>
#include <sys/stat.h>
char *mknod(short); main() {}
EOF
eval $compile
if test -s conftest && (./conftest; exit) 2>/dev/null; then
  :
else
  DEFS="${DEFS}#define MKNOD_DECLARED 1
"
fi
rm -f conftest*

echo checking for setpgid declaration
cat <<EOF > conftest.c
#include <sys/types.h>
#include <unistd.h>
char *setpgid(short); main() {}
EOF
eval $compile
if test -s conftest && (./conftest; exit) 2>/dev/null; then
  :
else
  DEFS="${DEFS}#define SETPGID_DECLARED 1
"
fi
rm -f conftest*

echo checking for setreuid
echo "
main() { exit(0); } t() { setreuid(); }" > conftest.c
if eval $compile; then
  :
else
  DEFS="${DEFS}#define NOREUID 1
"
fi
rm -f conftest*


echo checking for getttyent
echo "
main() { exit(0); } t() { getttyent(); }" > conftest.c
if eval $compile; then
  DEFS="${DEFS}#define GETTTYENT 1
"
fi
rm -f conftest*


echo checking whether bcopy handles overlapping arguments
cat <<EOF > conftest.c
main() {
  char buf[10];
  strcpy(buf, "abcdefghi");
  bcopy(buf, buf + 2, 3);
  if (!strncmp(buf, "ababcd", 6))
    exit(0); /* libc version works properly.  */
  else
    exit(1);
}
EOF
eval $compile
if test -s conftest && (./conftest; exit) 2>/dev/null; then
  DEFS="${DEFS}#define USEBCOPY 1
"
fi
rm -f conftest*

echo checking for vsprintf
echo "#include <varargs.h>
#include <stdio.h>
main() { exit(0); } t() { vsprintf(); }" > conftest.c
if eval $compile; then
  DEFS="${DEFS}#define USEVARARGS 1
"
fi
rm -f conftest*


echo checking for putenv
echo "
main() { exit(0); } t() { putenv(); }" > conftest.c
if eval $compile; then
  :
else
  DEFS="${DEFS}#define NEEDSETENV 1
" LIBOBJS="$LIBOBJS putenv.o"
fi
rm -f conftest*


echo "${DEFS}#include <utmp.h>" > conftest.c
eval "$CPP conftest.c > conftest.out 2>&1"
if egrep "ut_host" conftest.out >/dev/null 2>&1; then
  DEFS="${DEFS}#define UTHOST 1
"
fi
rm -f conftest*


echo checking for pid_t
echo "#include <sys/types.h>
main() { exit(0); } t() { pid_t x; }" > conftest.c
if eval $compile; then
  DEFS="${DEFS}#define PID_T_DEFINED 1
"
fi
rm -f conftest*


echo checking for sig_t
echo "#include <sys/types.h>
#include <signal.h>
main() { exit(0); } t() { sig_t x; }" > conftest.c
if eval $compile; then
  DEFS="${DEFS}#define SIG_T_DEFINED 1
"
fi
rm -f conftest*


echo checking for long file names
(echo 1 > conftest9012345) 2>/dev/null
(echo 2 > conftest9012346) 2>/dev/null
val=`cat conftest9012345 2>/dev/null`
if test -f conftest9012345 && test "$val" = 1; then :
else DEFS="${DEFS}#define NAME_MAX 14
"
fi
rm -f conftest9012345 conftest9012346

echo checking for sys/socket.h
cat <<EOF > conftest.c
$DEFS
#include <sys/socket.h>
EOF
err=`eval "$CPP conftest.c 2>&1 >/dev/null"`
if test -z "$err"; then
  :
else
  DEFS="${DEFS}#define NAMEDPIPE 1
"
fi
rm -f conftest*


echo checking for SVR4 elf library
if test -f /usr/ucblib/libucb.a; then # SVR4
  DEFS="${DEFS}#define SVR4 1
" DEFS="${DEFS}#define BUGGYGETLOGIN 1
" LIBS="$LIBS -lelf"
fi

echo checking for SCO crypt and sec libraries
test -f /lib/libcrypt_d.a && LIBS="$LIBS -lcrypt_d"
test -f /lib/libcrypt.a && LIBS="$LIBS -lcrypt"
test -f /lib/libsec.a && LIBS="$LIBS -lsec"

echo checking for IRIX sun library
test -f /lib/libsun.a && LIBS="$LIBS -lsun"

echo checking for Xenix
cat <<EOF > conftest.c
$DEFS
#if defined(M_XENIX) && !defined(M_UNIX)
  yes
#endif

EOF
eval "$CPP conftest.c > conftest.out 2>&1"
if egrep "yes" conftest.out >/dev/null 2>&1; then
  XENIX=1
fi
rm -f conftest*

if test -n "$XENIX"; then
  DEFS="${DEFS}#define VOID_CLOSEDIR 1
"
  LIBS="$LIBS -lx"
  case "$DEFS" in
  *SYSNDIR*) ;;
  *) LIBS="-ldir $LIBS" ;; # Make sure -ldir precedes any -lx.
  esac
fi


if test -n "$prefix"; then
  test -z "$exec_prefix" && exec_prefix='$(prefix)'
  prsub="s%^prefix[ 	]*=.*$%prefix = $prefix%"
fi
if test -n "$exec_prefix"; then
  prsub="$prsub
s%^exec_prefix[ 	]*=.*$%exec_prefix = $exec_prefix%"
fi

trap 'rm -f config.status; exit 1' 1 3 15
echo creating config.status
rm -f config.status
cat <<EOF > config.status
#!/bin/sh
# Generated automatically by configure.
# Run this file to recreate the current configuration.
# This directory was configured as follows,
# on host `(hostname || uname -n) 2>/dev/null`:
#
# $0 $*

case "\$1" in
  -recheck | --recheck | --rechec | --reche | --rech | --rec | --re | --r)
  exec /bin/sh $0 $* ;;
esac

trap 'rm -f Makefile config.h; exit 1' 1 3 15
CC='$CC'
CPP='$CPP'
INSTALL='$INSTALL'
INSTALL_PROGRAM='$INSTALL_PROGRAM'
INSTALL_DATA='$INSTALL_DATA'
LIBOBJS='$LIBOBJS'
LIBS='$LIBS'
srcdir='$srcdir'
DEFS='$DEFS'
prefix='$prefix'
exec_prefix='$exec_prefix'
prsub='$prsub'
EOF
cat <<\EOF >> config.status

top_srcdir=$srcdir
for file in Makefile; do
  srcdir=$top_srcdir
  # Remove last slash and all that follows it.  Not all systems have dirname.
  dir=`echo $file|sed 's%/[^/][^/]*$%%'`
  if test "$dir" != "$file"; then
    test "$top_srcdir" != . && srcdir=$top_srcdir/$dir
    test ! -d $dir && mkdir $dir
  fi
  echo creating $file
  rm -f $file
  echo "# Generated automatically from `basename $file`.in by configure." > $file
  sed -e "
$prsub
s%@CC@%$CC%g
s%@CPP@%$CPP%g
s%@INSTALL@%$INSTALL%g
s%@INSTALL_PROGRAM@%$INSTALL_PROGRAM%g
s%@INSTALL_DATA@%$INSTALL_DATA%g
s%@LIBOBJS@%$LIBOBJS%g
s%@LIBS@%$LIBS%g
s%@srcdir@%$srcdir%g
" $top_srcdir/${file}.in >> $file
done

echo creating config.h
# Ultrix awk loses trailing comments from the header file, but
# that's not fatal.
rm -f conftest.h
echo "/* config.h.  Generated automatically by configure.  */" > conftest.h
echo "$DEFS
/* END_OF_DEFS */" |
awk '
# The escaped newlines are to work around a bug in GNU m4 0.99
# in quoting more than 2 arguments in a single line.
BEGIN { filenum = 1 }
filenum == 1 && $1 == "#define" \
{ defs[$2] = $3
  defined[$2] = 1
  for (i = 4; i <= NF; i++)
    defs[$2] = defs[$2] " " $i
}
/END_OF_DEFS/ { filenum = 2; next }
filenum == 2 && $1 == "#define" && \
defined[$2] == 1 {
  $3 = defs[$2]
  print; next
}
filenum == 2 && $1 == "#undef" && \
defined[$2] == 1 {
  $1 = "#define"
  $2 = $2 " " defs[$2]
  print; next
}
filenum == 2 { print }
' - $top_srcdir/config.h.in >> conftest.h
if cmp -s config.h conftest.h 2>/dev/null; then
  # The file exists and we would not be changing it.
  rm -f conftest.h
else
  rm -f config.h
  mv conftest.h config.h
fi

EOF
chmod +x config.status
test -n "$no_create" || ./config.status

