Usenet 1994 January/usenetsourcesnewsgroupsinfomagicjanuary1994.iso/sources/unix/volume27/screen-3.5.1/part06/configure

Text File | 1993-08-08 | 52.4 KB | 2,355 lines

#!/bin/sh
# Guess values for system-dependent variables and create Makefiles.
# Generated automatically using autoconf.
# Copyright (C) 1991, 1992, 1993 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-PACKAGE] [TARGET]
# Ignores all args except --srcdir, --prefix, --exec-prefix, --no-create, and
# --with-PACKAGE unless this script has special code to handle it.


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
     # For backward compatibility, also recognize exact --exec_prefix.
     -exec-prefix=* | --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-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-*)
       package=`echo $arg|sed 's/-*with-//'`
       # Delete all the valid chars; see if any are left.
       if test -n "`echo $package|sed 's/[-a-zA-Z0-9_]*//g'`"; then
         echo "configure: $package: invalid package name" >&2; exit 1
       fi
       eval "with_`echo $package|sed s/-/_/g`=1" ;;

     -v | -verbose | --verbose | --verbos | --verbo | --verb | --ver | --ve | --v)
       verbose=yes ;;

     *) ;;
    esac
  fi
done

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

# NLS nuisances.
# These must not be set unconditionally because not all systems understand
# e.g. LANG=C (notably SCO).
if test "${LC_ALL+set}" = 'set' ; then LC_ALL=C; export LC_ALL; fi
if test "${LANG+set}"   = 'set' ; then LANG=C;   export LANG;   fi

rm -f conftest*
compile='${CC-cc} $CFLAGS $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

# Save the original args to write them into config.status later.
configure_args="$*"




rev=`sed < ${srcdir}/patchlevel.h -n -e '/#define REV/s/#define REV  *//p'`
vers=`sed < ${srcdir}/patchlevel.h -n -e '/#define VERS/s/#define VERS  *//p'`
pat=`sed < ${srcdir}/patchlevel.h -n -e '/#define PATCHLEVEL/s/#define PATCHLEVEL  *//p'`
VERSION="$rev.$vers.$pat"
echo "this is screen version $VERSION"


if test -z "$CC"; then
  # Extract the first word of `gcc', so it can be a program name with args.
  set dummy gcc; word=$2
  echo checking for $word
  IFS="${IFS=     }"; saveifs="$IFS"; IFS="${IFS}:"
  for dir in $PATH; do
    test -z "$dir" && dir=.
    if test -f $dir/$word; then
      CC="gcc"
      break
    fi
  done
  IFS="$saveifs"
fi
test -z "$CC" && CC="cc"
test -n "$CC" -a -n "$verbose" && echo "    setting CC to $CC"

# Find out if we are using GNU C, under whatever name.
cat > conftest.c <<EOF
#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.
fi
rm -f conftest*

echo checking how to run the C preprocessor
if test -z "$CPP"; then
  # This must be in double quotes, not single quotes, because CPP may get
  # substituted into the Makefile and ``${CC-cc}'' will simply confuse
  # make.  It must be expanded now.
  CPP="${CC-cc} -E"
  cat > conftest.c <<EOF
#include <stdio.h>
Syntax Error
EOF
err=`eval "($CPP \$DEFS conftest.c >/dev/null) 2>&1"`
if test -z "$err"; then
  :
else
  CPP=/lib/cpp
fi
rm -f conftest*
fi
test ".${verbose}" != "." && echo "    setting CPP to $CPP"

if test -n "$GCC"; then
  echo checking whether -traditional is needed
  pattern="Autoconf.*'x'"
  prog='#include <sgtty.h>
Autoconf TIOCGETP'
  cat > conftest.c <<EOF
$prog
EOF
eval "$CPP \$DEFS 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 > conftest.c <<EOF
$prog
EOF
eval "$CPP \$DEFS 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

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.

{
test -n "$verbose" && \
echo "    defining _POSIX_SOURCE"
DEFS="$DEFS -D_POSIX_SOURCE=1"
SEDDEFS="${SEDDEFS}\${SEDdA}_POSIX_SOURCE\${SEDdB}_POSIX_SOURCE\${SEDdC}1\${SEDdD}
\${SEDuA}_POSIX_SOURCE\${SEDuB}_POSIX_SOURCE\${SEDuC}1\${SEDuD}
\${SEDeA}_POSIX_SOURCE\${SEDeB}_POSIX_SOURCE\${SEDeC}1\${SEDeD}
"
}

  if test -n "$GCC"; then
    CC="$CC -posix"
  else
    CC="$CC -Xp"
  fi
fi



cat > conftest.c <<EOF
main(){exit(0);}
EOF
eval $compile
if test -s conftest && (./conftest; exit) 2>/dev/null; then
  :
else
  echo "Can't run the compiler - sorry";exit
fi
rm -f conftest*
for p in mawk gawk nawk awk
do
if test -z "$AWK"; then
  # Extract the first word of `$p', so it can be a program name with args.
  set dummy $p; word=$2
  echo checking for $word
  IFS="${IFS=     }"; saveifs="$IFS"; IFS="${IFS}:"
  for dir in $PATH; do
    test -z "$dir" && dir=.
    if test -f $dir/$word; then
      AWK="$p"
      break
    fi
  done
  IFS="$saveifs"
fi

test -n "$AWK" -a -n "$verbose" && echo "    setting AWK to $AWK"

test -n "$AWK" && break
done


# 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,
# or the AFS install, which mishandles nonexistent args, or
# /usr/ucb/install on SVR4, which tries to use the nonexistent group
# `staff'.  On most BSDish systems install is in /usr/bin, not /usr/ucb
# anyway.  Sigh.
if test "z${INSTALL}" = "z" ; then
  echo checking for install
  IFS="${IFS=     }"; saveifs="$IFS"; IFS="${IFS}:"
  for dir in $PATH; do
    test -z "$dir" && dir=.
    case $dir in
    /etc|/usr/sbin|/usr/etc|/usr/afsws/bin|/usr/ucb) ;;
    *)
      if test -f $dir/installbsd; then
    INSTALL="$dir/installbsd -c" # OSF1
    INSTALL_PROGRAM='$(INSTALL)'
    INSTALL_DATA='$(INSTALL) -m 644'
    break
      fi
      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)'}


if test -n "$ISC"; then

{
test -n "$verbose" && \
echo "    defining ISC"
DEFS="$DEFS -DISC=1"
SEDDEFS="${SEDDEFS}\${SEDdA}ISC\${SEDdB}ISC\${SEDdC}1\${SEDdD}
\${SEDuA}ISC\${SEDuB}ISC\${SEDuC}1\${SEDuD}
\${SEDeA}ISC\${SEDeB}ISC\${SEDeC}1\${SEDeD}
"
}
 LIBS="$LIBS -linet"
fi

echo checking for OSF1
if test -f /bin/uname ; then
if test `/bin/uname` = OSF1 || test -f /osf_boot; then

{
test -n "$verbose" && \
echo "    defining OSF1"
DEFS="$DEFS -DOSF1=1"
SEDDEFS="${SEDDEFS}\${SEDdA}OSF1\${SEDdB}OSF1\${SEDdC}1\${SEDdD}
\${SEDuA}OSF1\${SEDuB}OSF1\${SEDuC}1\${SEDuD}
\${SEDeA}OSF1\${SEDeB}OSF1\${SEDeC}1\${SEDeD}
"
}
    # this disables MIPS again....
fi
fi

echo checking for MIPS
if test -f /lib/libmld.a || test -f /usr/lib/libmld.a || test -f /usr/lib/cmplrs/cc/libmld.a; then
LIBS="$LIBS -lmld" # for nlist.
if test -c /dev/ptc; then

{
test -n "$verbose" && \
echo "    defining MIPS"
DEFS="$DEFS -DMIPS=1"
SEDDEFS="${SEDDEFS}\${SEDdA}MIPS\${SEDdB}MIPS\${SEDdC}1\${SEDdD}
\${SEDuA}MIPS\${SEDuB}MIPS\${SEDuC}1\${SEDuD}
\${SEDeA}MIPS\${SEDeB}MIPS\${SEDeC}1\${SEDeD}
"
}

echo checking for wait3
cat > conftest.c <<EOF

int main() { exit(0); }
int t() { wait3(); }
EOF
if eval $compile; then
  :
else
  echo checking for wait2
cat > conftest.c <<EOF

int main() { exit(0); }
int t() { wait2(); }
EOF
if eval $compile; then

{
test -n "$verbose" && \
echo "    defining USE_WAIT2"
DEFS="$DEFS -DUSE_WAIT2=1"
SEDDEFS="${SEDDEFS}\${SEDdA}USE_WAIT2\${SEDdB}USE_WAIT2\${SEDdC}1\${SEDdD}
\${SEDuA}USE_WAIT2\${SEDuB}USE_WAIT2\${SEDuC}1\${SEDuD}
\${SEDeA}USE_WAIT2\${SEDeB}USE_WAIT2\${SEDeC}1\${SEDeD}
"
}
 LIBS="$LIBS -lbsd" ; CC="$CC -I/usr/include/bsd"

fi
rm -f conftest*

fi
rm -f conftest*

fi
fi

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

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


echo checking for butterfly
cat > conftest.c <<EOF
#if defined(butterfly)
  yes
#endif

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


if test -z "$butterfly"; then
if test -n "$ULTRIX"; then
  test -z "$GCC" && CC="$CC -YBSD"
fi
echo checking for POSIX.1
cat > conftest.c <<EOF
#include <sys/types.h>
#include <unistd.h>
main () {
#ifdef _POSIX_VERSION
  yes
#endif

EOF
eval "$CPP \$DEFS conftest.c > conftest.out 2>&1"
if egrep "yes" conftest.out >/dev/null 2>&1; then
  echo "- you have a POSIX system";
{
test -n "$verbose" && \
echo "    defining POSIX"
DEFS="$DEFS -DPOSIX=1"
SEDDEFS="${SEDDEFS}\${SEDdA}POSIX\${SEDdB}POSIX\${SEDdC}1\${SEDdD}
\${SEDuA}POSIX\${SEDuB}POSIX\${SEDuC}1\${SEDuD}
\${SEDeA}POSIX\${SEDeB}POSIX\${SEDeC}1\${SEDeD}
"
}

fi
rm -f conftest*

fi

echo checking for System V
cat > conftest.c <<EOF
#include <sys/types.h>
#include <signal.h>
#include <fcntl.h>
int main() { exit(0); }
int t() { int x = SIGCHLD | FNDELAY; }
EOF
if eval $compile; then
  :
else

{
test -n "$verbose" && \
echo "    defining SYSV"
DEFS="$DEFS -DSYSV=1"
SEDDEFS="${SEDDEFS}\${SEDdA}SYSV\${SEDdB}SYSV\${SEDdC}1\${SEDdD}
\${SEDuA}SYSV\${SEDuB}SYSV\${SEDuC}1\${SEDuD}
\${SEDeA}SYSV\${SEDeB}SYSV\${SEDeC}1\${SEDeD}
"
}

fi
rm -f conftest*


echo checking for sequent/ptx
cat > conftest.c <<EOF
#ifdef _SEQUENT_
  yes
#endif

EOF
eval "$CPP \$DEFS conftest.c > conftest.out 2>&1"
if egrep "yes" conftest.out >/dev/null 2>&1; then
  LIBS="$LIBS -lsocket -linet";seqptx=1
fi
rm -f conftest*


oldlibs="$LIBS"
LIBS="$LIBS -lelf"
echo checking for SVR4
cat > conftest.c <<EOF

int main() { exit(0); }
int t() {  }
EOF
if eval $compile; then
  echo checking for dwarf.h
cat > conftest.c <<EOF
#include <dwarf.h>
EOF
err=`eval "($CPP \$DEFS conftest.c >/dev/null) 2>&1"`
if test -z "$err"; then

{
test -n "$verbose" && \
echo "    defining SVR4"
DEFS="$DEFS -DSVR4=1"
SEDDEFS="${SEDDEFS}\${SEDdA}SVR4\${SEDdB}SVR4\${SEDdC}1\${SEDdD}
\${SEDuA}SVR4\${SEDuB}SVR4\${SEDuC}1\${SEDuD}
\${SEDeA}SVR4\${SEDeB}SVR4\${SEDeC}1\${SEDeD}
"
}

{
test -n "$verbose" && \
echo "    defining BUGGYGETLOGIN"
DEFS="$DEFS -DBUGGYGETLOGIN=1"
SEDDEFS="${SEDDEFS}\${SEDdA}BUGGYGETLOGIN\${SEDdB}BUGGYGETLOGIN\${SEDdC}1\${SEDdD}
\${SEDuA}BUGGYGETLOGIN\${SEDuB}BUGGYGETLOGIN\${SEDuC}1\${SEDuD}
\${SEDeA}BUGGYGETLOGIN\${SEDeB}BUGGYGETLOGIN\${SEDeC}1\${SEDeD}
"
}
 LIBS="$LIBS -lelf"
else
  echo checking for elf.h
cat > conftest.c <<EOF
#include <elf.h>
EOF
err=`eval "($CPP \$DEFS conftest.c >/dev/null) 2>&1"`
if test -z "$err"; then

{
test -n "$verbose" && \
echo "    defining SVR4"
DEFS="$DEFS -DSVR4=1"
SEDDEFS="${SEDDEFS}\${SEDdA}SVR4\${SEDdB}SVR4\${SEDdC}1\${SEDdD}
\${SEDuA}SVR4\${SEDuB}SVR4\${SEDuC}1\${SEDuD}
\${SEDeA}SVR4\${SEDeB}SVR4\${SEDeC}1\${SEDeD}
"
}

{
test -n "$verbose" && \
echo "    defining BUGGYGETLOGIN"
DEFS="$DEFS -DBUGGYGETLOGIN=1"
SEDDEFS="${SEDDEFS}\${SEDdA}BUGGYGETLOGIN\${SEDdB}BUGGYGETLOGIN\${SEDdC}1\${SEDdD}
\${SEDuA}BUGGYGETLOGIN\${SEDuB}BUGGYGETLOGIN\${SEDuC}1\${SEDuD}
\${SEDeA}BUGGYGETLOGIN\${SEDeB}BUGGYGETLOGIN\${SEDeC}1\${SEDeD}
"
}
 LIBS="$LIBS -lelf"
fi
rm -f conftest*

fi
rm -f conftest*


else
  LIBS="$oldlibs"
fi
rm -f conftest*



echo checking for pid_t
cat > conftest.c <<EOF
#include <sys/types.h>

EOF
eval "$CPP \$DEFS conftest.c > conftest.out 2>&1"
if egrep "pid_t" conftest.out >/dev/null 2>&1; then

{
test -n "$verbose" && \
echo "    defining PID_T_DEFINED"
DEFS="$DEFS -DPID_T_DEFINED=1"
SEDDEFS="${SEDDEFS}\${SEDdA}PID_T_DEFINED\${SEDdB}PID_T_DEFINED\${SEDdC}1\${SEDdD}
\${SEDuA}PID_T_DEFINED\${SEDuB}PID_T_DEFINED\${SEDuC}1\${SEDuD}
\${SEDeA}PID_T_DEFINED\${SEDeB}PID_T_DEFINED\${SEDeC}1\${SEDeD}
"
}

fi
rm -f conftest*


echo checking for sig_t
cat > conftest.c <<EOF
#include <sys/types.h>
#include <signal.h>

EOF
eval "$CPP \$DEFS conftest.c > conftest.out 2>&1"
if egrep "sig_t" conftest.out >/dev/null 2>&1; then

{
test -n "$verbose" && \
echo "    defining SIG_T_DEFINED"
DEFS="$DEFS -DSIG_T_DEFINED=1"
SEDDEFS="${SEDDEFS}\${SEDdA}SIG_T_DEFINED\${SEDdB}SIG_T_DEFINED\${SEDdC}1\${SEDdD}
\${SEDuA}SIG_T_DEFINED\${SEDuB}SIG_T_DEFINED\${SEDuC}1\${SEDuD}
\${SEDeA}SIG_T_DEFINED\${SEDeB}SIG_T_DEFINED\${SEDeC}1\${SEDeD}
"
}

fi
rm -f conftest*


echo checking for uid_t
cat > conftest.c <<EOF
#include <sys/types.h>

EOF
eval "$CPP \$DEFS conftest.c > conftest.out 2>&1"
if egrep "uid_t" conftest.out >/dev/null 2>&1; then

{
test -n "$verbose" && \
echo "    defining UID_T_DEFINED"
DEFS="$DEFS -DUID_T_DEFINED=1"
SEDDEFS="${SEDDEFS}\${SEDdA}UID_T_DEFINED\${SEDdB}UID_T_DEFINED\${SEDdC}1\${SEDdD}
\${SEDuA}UID_T_DEFINED\${SEDuB}UID_T_DEFINED\${SEDuC}1\${SEDuD}
\${SEDeA}UID_T_DEFINED\${SEDeB}UID_T_DEFINED\${SEDeC}1\${SEDeD}
"
}

fi
rm -f conftest*



echo checking for BSD job control
cat > conftest.c <<EOF
#include <sys/types.h>
#include <sys/ioctl.h>

int main() { exit(0); }
int t() {
#ifdef POSIX
tcsetpgrp(0, 0);
#else
int x = TIOCSPGRP;
#ifdef SYSV
setpgrp();
#else
int y = TIOCNOTTY;
#endif
#endif
 }
EOF
if eval $compile; then
  echo "- you have jobcontrol"
{
test -n "$verbose" && \
echo "    defining BSDJOBS"
DEFS="$DEFS -DBSDJOBS=1"
SEDDEFS="${SEDDEFS}\${SEDdA}BSDJOBS\${SEDdB}BSDJOBS\${SEDdC}1\${SEDdD}
\${SEDuA}BSDJOBS\${SEDuB}BSDJOBS\${SEDuC}1\${SEDuD}
\${SEDeA}BSDJOBS\${SEDeB}BSDJOBS\${SEDeC}1\${SEDeD}
"
}

else
  echo "- you don't have jobcontrol"
fi
rm -f conftest*


echo checking for setreuid
cat > conftest.c <<EOF

int main() { exit(0); }
int t() {
#ifdef hpux
setresuid(0, 0, 0);
#else
setreuid(0, 0);
#endif
 }
EOF
if eval $compile; then
  :
else

{
test -n "$verbose" && \
echo "    defining NOREUID"
DEFS="$DEFS -DNOREUID=1"
SEDDEFS="${SEDDEFS}\${SEDdA}NOREUID\${SEDdB}NOREUID\${SEDdC}1\${SEDdD}
\${SEDuA}NOREUID\${SEDuB}NOREUID\${SEDuC}1\${SEDuD}
\${SEDeA}NOREUID\${SEDeB}NOREUID\${SEDeC}1\${SEDeD}
"
}

fi
rm -f conftest*




echo checking for select
cat > conftest.c <<EOF

int main() { exit(0); }
int t() { select(0, 0, 0, 0, 0); }
EOF
if eval $compile; then
  :
else
  LIBS="$LIBS -lnet -lnsl"
echo checking for select with $LIBS
cat > conftest.c <<EOF

int main() { exit(0); }
int t() { select(0, 0, 0, 0, 0); }
EOF
if eval $compile; then
  :
else
  echo '!!! no select - no screen';exit
fi
rm -f conftest*


fi
rm -f conftest*


echo checking fifos
cat > conftest.c <<EOF

#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>

#ifndef O_NDELAY
#define O_NDELAY O_NONBLOCK
#endif
#ifndef S_IFIFO
#define S_IFIFO 0010000
#endif

char *fin = "/tmp/conftest$$";

main()
{
  struct stat stb;
  int f;

  (void)alarm(5);
  if (mknod(fin, S_IFIFO|0777, 0))
    exit(1);
  if (stat(fin, &stb) || (stb.st_mode & S_IFIFO) != S_IFIFO)
    exit(1);
  close(0);
  if (open(fin, O_RDWR | O_NDELAY))
    exit(1);
  if (write(0, "TEST", 4) == -1)
    exit(1);
  f = 1;
  if (select(1, &f, 0, 0, 0) == -1)
    exit(1);
  exit(0);
}

EOF
eval $compile
if test -s conftest && (./conftest; exit) 2>/dev/null; then
  echo "- your fifos are usable"; fifo=1
else
  echo "- your fifos are not usable"
fi
rm -f conftest*
rm -f /tmp/conftest*

if test -n "$fifo"; then
echo "checking for broken fifo implementation"
cat > conftest.c <<EOF

#include <sys/types.h>
#include <fcntl.h>
#include <sys/time.h>
#include <sys/stat.h>

#ifndef O_NDELAY
#define O_NDELAY O_NONBLOCK
#endif
#ifndef S_IFIFO
#define S_IFIFO 0010000
#endif

char *fin = "/tmp/conftest$$";

main()
{
  struct timeval tv;
  int r, x;

  if (mknod(fin, S_IFIFO|0600, 0))
    exit(1);
  close(0);
  if (open(fin, O_RDONLY|O_NDELAY))
    exit(1);
  r = 1;
  tv.tv_sec = 1;
  tv.tv_usec = 0;
  if (select(1, &r, 0, 0, &tv))
    exit(1);
  exit(0);
}

EOF
eval $compile
if test -s conftest && (./conftest; exit) 2>/dev/null; then
  echo "- your implementation is ok"
else
  echo "- you have a broken implementation"
{
test -n "$verbose" && \
echo "    defining BROKEN_PIPE"
DEFS="$DEFS -DBROKEN_PIPE=1"
SEDDEFS="${SEDDEFS}\${SEDdA}BROKEN_PIPE\${SEDdB}BROKEN_PIPE\${SEDdC}1\${SEDdD}
\${SEDuA}BROKEN_PIPE\${SEDuB}BROKEN_PIPE\${SEDuC}1\${SEDuD}
\${SEDeA}BROKEN_PIPE\${SEDeB}BROKEN_PIPE\${SEDeC}1\${SEDeD}
"
}
 fifobr=1
fi
rm -f conftest*
rm -f /tmp/conftest*
fi


echo checking sockets
cat > conftest.c <<EOF

#include <sys/types.h>
#include <sys/socket.h>
#include <sys/un.h>
#include <fcntl.h>

#ifndef O_NDELAY
#define O_NDELAY O_NONBLOCK
#endif
#ifndef FNDELAY
#define FNDELAY O_NDELAY
#endif

char *son = "/tmp/conftest$$";

main()
{
  int s1, s2, s3, l;
  struct sockaddr_un a;

  (void)alarm(5);
  if ((s1 = socket(AF_UNIX, SOCK_STREAM, 0)) == -1)
    exit(1);
  a.sun_family = AF_UNIX;
  strcpy(a.sun_path, son);
  (void) unlink(son);
  if (bind(s1, (struct sockaddr *) &a, strlen(son)+2) == -1)
    exit(1);
  if (listen(s1, 2))
    exit(1);
  if (fork() == 0)
    {
      if ((s2 = socket(AF_UNIX, SOCK_STREAM, 0)) == -1)
    kill(getppid(), 3);
      (void)connect(s2, (struct sockaddr *)&a, strlen(son) + 2);
      if (write(s2, "HELLO", 5) == -1)
    kill(getppid(), 3);
      exit(0);
    }
  l = sizeof(a);
  close(0);
  if (accept(s1, &a, &l))
    exit(1);
  l = 1;
  if (select(1, &l, 0, 0, 0) == -1)
    exit(1);
  exit(0);
}

EOF
eval $compile
if test -s conftest && (./conftest; exit) 2>/dev/null; then
  echo "- your sockets are usable"; sock=1
else
  echo "- your sockets are not usable"
fi
rm -f conftest*
rm -f /tmp/conftest*

if test -n "$sock"; then
echo "checking socket implementation"
cat > conftest.c <<EOF

#include <sys/types.h>
#include <sys/stat.h>
#include <sys/socket.h>
#include <sys/un.h>

char *son = "/tmp/conftest$$";

main()
{
  int s;
  struct stat stb;
  struct sockaddr_un a;
  if ((s = socket(AF_UNIX, SOCK_STREAM, 0)) == -1)
    exit(0);
  a.sun_family = AF_UNIX;
  strcpy(a.sun_path, son);
  (void) unlink(son);
  if (bind(s, (struct sockaddr *) &a, strlen(son)+2) == -1)
    exit(0);
  if (stat(son, &stb))
    exit(1);
  close(s);
  exit(0);
}

EOF
eval $compile
if test -s conftest && (./conftest; exit) 2>/dev/null; then
  echo "- you are normal"
else
  echo "- unix domain sockets are not kept in the filesystem"

{
test -n "$verbose" && \
echo "    defining SOCK_NOT_IN_FS"
DEFS="$DEFS -DSOCK_NOT_IN_FS=1"
SEDDEFS="${SEDDEFS}\${SEDdA}SOCK_NOT_IN_FS\${SEDdB}SOCK_NOT_IN_FS\${SEDdC}1\${SEDdD}
\${SEDuA}SOCK_NOT_IN_FS\${SEDuB}SOCK_NOT_IN_FS\${SEDuC}1\${SEDuD}
\${SEDeA}SOCK_NOT_IN_FS\${SEDeB}SOCK_NOT_IN_FS\${SEDeC}1\${SEDeD}
"
}
 socknofs=1
fi
rm -f conftest*
rm -f /tmp/conftest*
fi


if test -n "$fifo"; then
  if test -n "$sock"; then
    if test -n "$nore"; then
      echo "- hmmm... better take the fifos"

{
test -n "$verbose" && \
echo "    defining NAMEDPIPE"
DEFS="$DEFS -DNAMEDPIPE=1"
SEDDEFS="${SEDDEFS}\${SEDdA}NAMEDPIPE\${SEDdB}NAMEDPIPE\${SEDdC}1\${SEDdD}
\${SEDuA}NAMEDPIPE\${SEDuB}NAMEDPIPE\${SEDuC}1\${SEDuD}
\${SEDeA}NAMEDPIPE\${SEDeB}NAMEDPIPE\${SEDeC}1\${SEDeD}
"
}

    elif test -n "$fifobr"; then
      echo "- as your fifos are broken lets use the sockets."
    else
      echo "- both sockets and fifos usable. let's take fifos."

{
test -n "$verbose" && \
echo "    defining NAMEDPIPE"
DEFS="$DEFS -DNAMEDPIPE=1"
SEDDEFS="${SEDDEFS}\${SEDdA}NAMEDPIPE\${SEDdB}NAMEDPIPE\${SEDdC}1\${SEDdD}
\${SEDuA}NAMEDPIPE\${SEDuB}NAMEDPIPE\${SEDuC}1\${SEDuD}
\${SEDeA}NAMEDPIPE\${SEDeB}NAMEDPIPE\${SEDeC}1\${SEDeD}
"
}

    fi
  else
    echo "- using named pipes, of course"

{
test -n "$verbose" && \
echo "    defining NAMEDPIPE"
DEFS="$DEFS -DNAMEDPIPE=1"
SEDDEFS="${SEDDEFS}\${SEDdA}NAMEDPIPE\${SEDdB}NAMEDPIPE\${SEDdC}1\${SEDdD}
\${SEDuA}NAMEDPIPE\${SEDuB}NAMEDPIPE\${SEDuC}1\${SEDuD}
\${SEDeA}NAMEDPIPE\${SEDeB}NAMEDPIPE\${SEDeC}1\${SEDeD}
"
}

  fi
elif test -n "$sock"; then
  echo "- using unix-domain sockets, of course"
else
  echo "!!! you have neither usable sockets nor usable pipes -> no screen"
  exit
fi


echo "checking select return value"
cat > conftest.c <<EOF

#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>

char *nam = "/tmp/conftest$$";

#ifdef NAMEDPIPE

#ifndef O_NDELAY
#define O_NDELAY O_NONBLOCK
#endif
#ifndef S_IFIFO
#define S_IFIFO 0010000
#endif


main()
{
  int l;

  (void)alarm(5);
  if (mknod(nam, S_IFIFO|0777, 0))
    exit(1);
  close(0);
  if (open(nam, O_RDWR | O_NDELAY))
    exit(1);
  if (write(0, "TEST", 4) == -1)
    exit(1);

#else

#include <sys/types.h>
#include <sys/socket.h>
#include <sys/un.h>

main()
{
  int s1, s2, s3, l;
  struct sockaddr_un a;

  (void)alarm(5);
  if ((s1 = socket(AF_UNIX, SOCK_STREAM, 0)) == -1)
    exit(1);
  a.sun_family = AF_UNIX;
  strcpy(a.sun_path, nam);
  (void) unlink(nam);
  if (bind(s1, (struct sockaddr *) &a, strlen(nam)+2) == -1)
    exit(1);
  if (listen(s1, 2))
    exit(1);
  if (fork() == 0)
    {
      if ((s2 = socket(AF_UNIX, SOCK_STREAM, 0)) == -1)
    kill(getppid(), 3);
      (void)connect(s2, (struct sockaddr *)&a, strlen(nam) + 2);
      if (write(s2, "HELLO", 5) == -1)
    kill(getppid(), 3);
      exit(0);
    }
  l = sizeof(a);
  close(0);
  if (accept(s1, (struct sockaddr *)&a, &l))
    exit(1);
#endif


  l = 1;
  if (select(1, &l, 0, 0, 0) == -1)
    exit(1);
  if (select(1, &l, &l, 0, 0) != 2)
    exit(1);
  exit(0);
}

EOF
eval $compile
if test -s conftest && (./conftest; exit) 2>/dev/null; then
  echo "- select is ok"
else
  echo "- it is not usable"

{
test -n "$verbose" && \
echo "    defining SELECT_BROKEN"
DEFS="$DEFS -DSELECT_BROKEN=1"
SEDDEFS="${SEDDEFS}\${SEDdA}SELECT_BROKEN\${SEDdB}SELECT_BROKEN\${SEDdC}1\${SEDdD}
\${SEDuA}SELECT_BROKEN\${SEDuB}SELECT_BROKEN\${SEDuC}1\${SEDuD}
\${SEDeA}SELECT_BROKEN\${SEDeB}SELECT_BROKEN\${SEDeC}1\${SEDeD}
"
}

fi
rm -f conftest*

echo searching for tgetent
olibs="$LIBS"
LIBS="-ltermcap $LIBS"
echo checking for libtermcap
cat > conftest.c <<EOF

int main() { exit(0); }
int t() { tgetent((char *)0, (char *)0); }
EOF
if eval $compile; then
  :
else
  LIBS="-lcurses $olibs"
echo checking for libcurses
cat > conftest.c <<EOF

int main() { exit(0); }
int t() { tgetent((char *)0, (char *)0); }
EOF
if eval $compile; then
  :
else
  echo "!!! no tgetent - no screen";exit
fi
rm -f conftest*


fi
rm -f conftest*

TERMCAP="xx|scrdumm:xx:"
TERM=scrdumm
export TERMCAP
export TERM
cat > conftest.c <<EOF

main()
{
  char buf[1024];
  if (tgetent(buf, "scrdumm") != 1)
    exit(1);
  exit(0);
}
EOF
eval $compile
if test -s conftest && (./conftest; exit) 2>/dev/null; then
  echo "- you use the termcap database"
else
  echo "- you use the terminfo database"

{
test -n "$verbose" && \
echo "    defining TERMINFO"
DEFS="$DEFS -DTERMINFO=1"
SEDDEFS="${SEDDEFS}\${SEDdA}TERMINFO\${SEDdB}TERMINFO\${SEDdC}1\${SEDdD}
\${SEDuA}TERMINFO\${SEDuB}TERMINFO\${SEDuC}1\${SEDuD}
\${SEDeA}TERMINFO\${SEDeB}TERMINFO\${SEDeC}1\${SEDeD}
"
}

fi
rm -f conftest*
echo checking for ospeed
cat > conftest.c <<EOF
extern short ospeed;
int main() { exit(0); }
int t() { ospeed=5; }
EOF
if eval $compile; then
  :
else

{
test -n "$verbose" && \
echo "    defining NEED_OSPEED"
DEFS="$DEFS -DNEED_OSPEED=1"
SEDDEFS="${SEDDEFS}\${SEDdA}NEED_OSPEED\${SEDdB}NEED_OSPEED\${SEDdC}1\${SEDdD}
\${SEDuA}NEED_OSPEED\${SEDuB}NEED_OSPEED\${SEDuC}1\${SEDuD}
\${SEDeA}NEED_OSPEED\${SEDeB}NEED_OSPEED\${SEDeC}1\${SEDeD}
"
}

fi
rm -f conftest*


echo checking for ptyranges
if test -d /dev/ptym ; then
pdir='/dev/ptym'
else
pdir='/dev'
fi
ptys=`echo $pdir/pty??`
if test "$ptys" != "$pdir/pty??" ; then
p0=`echo $ptys | tr ' ' '\012' | sed -e 's/^.*\(.\).$/\1/g' | tr ' ' '\012' | sort -u | sed -n -e H -e g -e 's/\n//g' -e '$p'`
p1=`echo $ptys | tr ' ' '\012' | sed -e 's/^.*\(.\)$/\1/g' | tr ' ' '\012' | sort -u | sed -n -e H -e g -e 's/\n//g' -e '$p'`

{
test -n "$verbose" && \
echo "    defining PTYRANGE0 to be \"$p0\""
DEFS="$DEFS -DPTYRANGE0=\"$p0\""
SEDDEFS="${SEDDEFS}\${SEDdA}PTYRANGE0\${SEDdB}PTYRANGE0\${SEDdC}\"$p0\"\${SEDdD}
\${SEDuA}PTYRANGE0\${SEDuB}PTYRANGE0\${SEDuC}\"$p0\"\${SEDuD}
\${SEDeA}PTYRANGE0\${SEDeB}PTYRANGE0\${SEDeC}\"$p0\"\${SEDeD}
"
}


{
test -n "$verbose" && \
echo "    defining PTYRANGE1 to be \"$p1\""
DEFS="$DEFS -DPTYRANGE1=\"$p1\""
SEDDEFS="${SEDDEFS}\${SEDdA}PTYRANGE1\${SEDdB}PTYRANGE1\${SEDdC}\"$p1\"\${SEDdD}
\${SEDuA}PTYRANGE1\${SEDuB}PTYRANGE1\${SEDuC}\"$p1\"\${SEDuD}
\${SEDeA}PTYRANGE1\${SEDeB}PTYRANGE1\${SEDeC}\"$p1\"\${SEDeD}
"
}

fi


echo checking for getutent
cat > conftest.c <<EOF
#include <time.h> /* to get time_t on SCO */
#include <sys/types.h>
#ifdef SVR4
#include <utmpx.h>
#else
#include <utmp.h>
#endif
#ifdef hpux
#define pututline _pututline
#endif

int main() { exit(0); }
int t() { int x = DEAD_PROCESS; struct utmp *y = pututline((struct utmp *)0); getutent(); }
EOF
if eval $compile; then

{
test -n "$verbose" && \
echo "    defining GETUTENT"
DEFS="$DEFS -DGETUTENT=1"
SEDDEFS="${SEDDEFS}\${SEDdA}GETUTENT\${SEDdB}GETUTENT\${SEDdC}1\${SEDdD}
\${SEDuA}GETUTENT\${SEDuB}GETUTENT\${SEDuC}1\${SEDuD}
\${SEDeA}GETUTENT\${SEDeB}GETUTENT\${SEDeC}1\${SEDeD}
"
}

fi
rm -f conftest*

echo checking for ut_host
cat > conftest.c <<EOF
#include <time.h>
#include <sys/types.h>
#ifdef SVR4
#include <utmpx.h>
#else
#include <utmp.h>
#endif

int main() { exit(0); }
int t() { struct utmp u; u.ut_host[0] = 0; }
EOF
if eval $compile; then

{
test -n "$verbose" && \
echo "    defining UTHOST"
DEFS="$DEFS -DUTHOST=1"
SEDDEFS="${SEDDEFS}\${SEDdA}UTHOST\${SEDdB}UTHOST\${SEDdC}1\${SEDdD}
\${SEDuA}UTHOST\${SEDuB}UTHOST\${SEDuC}1\${SEDuD}
\${SEDeA}UTHOST\${SEDeB}UTHOST\${SEDeC}1\${SEDeD}
"
}

fi
rm -f conftest*



echo "checking for libutil(s)"
test -f /usr/lib/libutils.a && LIBS="$LIBS -lutils"
test -f /usr/lib/libutil.a && LIBS="$LIBS -lutil"

echo checking for getloadavg
cat > conftest.c <<EOF

int main() { exit(0); }
int t() { getloadavg((double *)0, 0); }
EOF
if eval $compile; then

{
test -n "$verbose" && \
echo "    defining LOADAV_GETLOADAVG"
DEFS="$DEFS -DLOADAV_GETLOADAVG=1"
SEDDEFS="${SEDDEFS}\${SEDdA}LOADAV_GETLOADAVG\${SEDdB}LOADAV_GETLOADAVG\${SEDdC}1\${SEDdD}
\${SEDuA}LOADAV_GETLOADAVG\${SEDuB}LOADAV_GETLOADAVG\${SEDuC}1\${SEDuD}
\${SEDeA}LOADAV_GETLOADAVG\${SEDeB}LOADAV_GETLOADAVG\${SEDeC}1\${SEDeD}
"
}
 load=1
fi
rm -f conftest*

if test -z "$load" ; then
cat > conftest.c <<EOF
#if defined(NeXT) || defined(apollo) || defined(linux)
  yes
#endif

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

fi
if test -z "$load" ; then
echo "searching for kernelfile"
for core in /unix /vmunix /dynix /hp-ux /xelos /386bsd /kernel/unix ; do
  if test -f $core ; then
    break
  fi
done
if test ! -f $core ; then
  echo "- no kernelfile found"
else
  echo "- using kernelfile '$core'"

{
test -n "$verbose" && \
echo "    defining LOADAV_UNIX to be \"$core\""
DEFS="$DEFS -DLOADAV_UNIX=\"$core\""
SEDDEFS="${SEDDEFS}\${SEDdA}LOADAV_UNIX\${SEDdB}LOADAV_UNIX\${SEDdC}\"$core\"\${SEDdD}
\${SEDuA}LOADAV_UNIX\${SEDuB}LOADAV_UNIX\${SEDuC}\"$core\"\${SEDuD}
\${SEDeA}LOADAV_UNIX\${SEDeB}LOADAV_UNIX\${SEDeC}\"$core\"\${SEDeD}
"
}

  echo checking for nlist.h
cat > conftest.c <<EOF
#include <nlist.h>
EOF
err=`eval "($CPP \$DEFS conftest.c >/dev/null) 2>&1"`
if test -z "$err"; then

{
test -n "$verbose" && \
echo "    defining NLIST_STRUCT"
DEFS="$DEFS -DNLIST_STRUCT=1"
SEDDEFS="${SEDDEFS}\${SEDdA}NLIST_STRUCT\${SEDdB}NLIST_STRUCT\${SEDdC}1\${SEDdD}
\${SEDuA}NLIST_STRUCT\${SEDuB}NLIST_STRUCT\${SEDuC}1\${SEDuD}
\${SEDeA}NLIST_STRUCT\${SEDeB}NLIST_STRUCT\${SEDeC}1\${SEDeD}
"
}

     echo checking for n_un in struct nlist
cat > conftest.c <<EOF
#include <nlist.h>
int main() { exit(0); }
int t() { struct nlist n; n.n_un.n_name = 0; }
EOF
if eval $compile; then

{
test -n "$verbose" && \
echo "    defining NLIST_NAME_UNION"
DEFS="$DEFS -DNLIST_NAME_UNION=1"
SEDDEFS="${SEDDEFS}\${SEDdA}NLIST_NAME_UNION\${SEDdB}NLIST_NAME_UNION\${SEDdC}1\${SEDdD}
\${SEDuA}NLIST_NAME_UNION\${SEDuB}NLIST_NAME_UNION\${SEDuC}1\${SEDuD}
\${SEDeA}NLIST_NAME_UNION\${SEDeB}NLIST_NAME_UNION\${SEDeC}1\${SEDeD}
"
}

fi
rm -f conftest*

fi
rm -f conftest*


  echo checking for nlist declaration
  cat > conftest.c <<EOF

#ifdef NLIST_STRUCT
# include <nlist.h>
#else
# include <a.out.h>
#endif

EOF
eval "$CPP \$DEFS conftest.c > conftest.out 2>&1"
if egrep "nlist( |    |\()" conftest.out >/dev/null 2>&1; then

{
test -n "$verbose" && \
echo "    defining NLIST_DECLARED"
DEFS="$DEFS -DNLIST_DECLARED=1"
SEDDEFS="${SEDDEFS}\${SEDdA}NLIST_DECLARED\${SEDdB}NLIST_DECLARED\${SEDdC}1\${SEDdD}
\${SEDuA}NLIST_DECLARED\${SEDuB}NLIST_DECLARED\${SEDuC}1\${SEDuD}
\${SEDeA}NLIST_DECLARED\${SEDeB}NLIST_DECLARED\${SEDeC}1\${SEDeD}
"
}

fi
rm -f conftest*


  echo searching for avenrun symbol
  for av in avenrun _avenrun _Loadavg ; do
  cat > conftest.c <<EOF

#include <sys/types.h>
#ifdef NLIST_STRUCT
#include <nlist.h>
#else
#include <a.out.h>
#endif

struct nlist nl[2];

main()
{
#ifdef NLIST_NAME_UNION
  nl[0].n_un.n_name = "$av";
#else
  nl[0].n_name = "$av";
#endif
  nlist(LOADAV_UNIX, nl);
  if (nl[0].n_value == 0)
    exit(1);
  exit(0);
}

EOF
eval $compile
if test -s conftest && (./conftest; exit) 2>/dev/null; then
  avensym=$av;break
fi
rm -f conftest*
  done
  if test -z "$avensym" ; then
    echo "- no avenrun symbol found"
  else
    echo "- using avenrun symbol '$avensym'"

{
test -n "$verbose" && \
echo "    defining LOADAV_AVENRUN to be \"$avensym\""
DEFS="$DEFS -DLOADAV_AVENRUN=\"$avensym\""
SEDDEFS="${SEDDEFS}\${SEDdA}LOADAV_AVENRUN\${SEDdB}LOADAV_AVENRUN\${SEDdC}\"$avensym\"\${SEDdD}
\${SEDuA}LOADAV_AVENRUN\${SEDuB}LOADAV_AVENRUN\${SEDuC}\"$avensym\"\${SEDuD}
\${SEDeA}LOADAV_AVENRUN\${SEDeB}LOADAV_AVENRUN\${SEDeC}\"$avensym\"\${SEDeD}
"
}

    load=1
  fi
fi
fi

cat > conftest.c <<EOF

#include <sys/types.h>
#include <sys/param.h>

_CUT_HERE_

#if ((defined(hp300) && !defined(hpux)) || defined(sun) || (defined(ultrix) && defined(mips)) || defined(_SEQUENT_) || defined(sgi) || defined(SVR4) || defined(sony_news) || defined(__alpha))
loadtype=long
# ifdef apollo
loadscale=65536
# else
#  ifdef FSCALE
#   undef FSCALE
loadscale=FSCALE
#  else
#   ifdef sgi
loadscale=1024
#   else
#    if defined(MIPS) || defined(SVR4)
loadscale=256
#    else /* not MIPS */
loadscale=1000     /* our default value */
#    endif /* MIPS */
#   endif /* sgi */
#  endif /* not FSCALE */
# endif /* not apollo */
#else
loadtype=double
loadscale=1
#endif
#ifdef alliant
loadnum=4
#else
loadnum=3
#endif

EOF
eval "$CPP $DEFS conftest.c 2>/dev/null | sed -e '1,/_CUT_HERE_/d' > conftest.out"
. ./conftest.out
rm -f conftest*


if test -n "$load" ; then
{
test -n "$verbose" && \
echo "    defining LOADAV"
DEFS="$DEFS -DLOADAV=1"
SEDDEFS="${SEDDEFS}\${SEDdA}LOADAV\${SEDdB}LOADAV\${SEDdC}1\${SEDdD}
\${SEDuA}LOADAV\${SEDuB}LOADAV\${SEDuC}1\${SEDuD}
\${SEDeA}LOADAV\${SEDeB}LOADAV\${SEDeC}1\${SEDeD}
"
}
 fi
if test -n "$loadtype" ; then
{
test -n "$verbose" && \
echo "    defining LOADAV_TYPE to be $loadtype"
DEFS="$DEFS -DLOADAV_TYPE=$loadtype"
SEDDEFS="${SEDDEFS}\${SEDdA}LOADAV_TYPE\${SEDdB}LOADAV_TYPE\${SEDdC}$loadtype\${SEDdD}
\${SEDuA}LOADAV_TYPE\${SEDuB}LOADAV_TYPE\${SEDuC}$loadtype\${SEDuD}
\${SEDeA}LOADAV_TYPE\${SEDeB}LOADAV_TYPE\${SEDeC}$loadtype\${SEDeD}
"
}
 fi
if test -n "$loadnum" ; then
{
test -n "$verbose" && \
echo "    defining LOADAV_NUM to be $loadnum"
DEFS="$DEFS -DLOADAV_NUM=$loadnum"
SEDDEFS="${SEDDEFS}\${SEDdA}LOADAV_NUM\${SEDdB}LOADAV_NUM\${SEDdC}$loadnum\${SEDdD}
\${SEDuA}LOADAV_NUM\${SEDuB}LOADAV_NUM\${SEDuC}$loadnum\${SEDuD}
\${SEDeA}LOADAV_NUM\${SEDeB}LOADAV_NUM\${SEDeC}$loadnum\${SEDeD}
"
}
 fi
if test -n "$loadscale" ; then
{
test -n "$verbose" && \
echo "    defining LOADAV_SCALE to be $loadscale"
DEFS="$DEFS -DLOADAV_SCALE=$loadscale"
SEDDEFS="${SEDDEFS}\${SEDdA}LOADAV_SCALE\${SEDdB}LOADAV_SCALE\${SEDdC}$loadscale\${SEDdD}
\${SEDuA}LOADAV_SCALE\${SEDuB}LOADAV_SCALE\${SEDuC}$loadscale\${SEDuD}
\${SEDeA}LOADAV_SCALE\${SEDeB}LOADAV_SCALE\${SEDeC}$loadscale\${SEDeD}
"
}
 fi


echo '#include <signal.h>' > conftest.c
eval "$CPP \$DEFS conftest.c > conftest.out 2>&1"
if egrep "(void|sighandler_t).*signal" conftest.out >/dev/null 2>&1; then

{
test -n "$verbose" && \
echo "    defining SIGVOID"
DEFS="$DEFS -DSIGVOID=1"
SEDDEFS="${SEDDEFS}\${SEDdA}SIGVOID\${SEDdB}SIGVOID\${SEDdC}1\${SEDdD}
\${SEDuA}SIGVOID\${SEDuB}SIGVOID\${SEDuC}1\${SEDuD}
\${SEDeA}SIGVOID\${SEDeB}SIGVOID\${SEDeC}1\${SEDeD}
"
}

fi
rm -f conftest*

echo checking for sigset
cat > conftest.c <<EOF

#include <sys/types.h>
#include <signal.h>

int main() { exit(0); }
int t() {
#ifdef SIGVOID
sigset(0, (void (*)())0);
#else
sigset(0, (int (*)())0);
#endif
 }
EOF
if eval $compile; then

{
test -n "$verbose" && \
echo "    defining USESIGSET"
DEFS="$DEFS -DUSESIGSET=1"
SEDDEFS="${SEDDEFS}\${SEDdA}USESIGSET\${SEDdB}USESIGSET\${SEDdC}1\${SEDdD}
\${SEDuA}USESIGSET\${SEDuB}USESIGSET\${SEDuC}1\${SEDuD}
\${SEDeA}USESIGSET\${SEDeB}USESIGSET\${SEDeC}1\${SEDeD}
"
}

fi
rm -f conftest*

echo checking signal implementation
cat > conftest.c <<EOF

#include <sys/types.h>
#include <signal.h>

#ifndef SIGCHLD
#define SIGCHLD SIGCLD
#endif
#ifdef USESIGSET
#define signal sigset
#endif

int got;

#ifdef SIGVOID
void
#endif
hand()
{
  got++;
}

main()
{
  (void)signal(SIGCHLD, hand);
  kill(getpid(), SIGCHLD);
  kill(getpid(), SIGCHLD);
  if (got < 2)
    exit(1);
  exit(0);
}

EOF
eval $compile
if test -s conftest && (./conftest; exit) 2>/dev/null; then
  :
else

{
test -n "$verbose" && \
echo "    defining SYSVSIGS"
DEFS="$DEFS -DSYSVSIGS=1"
SEDDEFS="${SEDDEFS}\${SEDdA}SYSVSIGS\${SEDdB}SYSVSIGS\${SEDdC}1\${SEDdD}
\${SEDuA}SYSVSIGS\${SEDuB}SYSVSIGS\${SEDuC}1\${SEDuD}
\${SEDeA}SYSVSIGS\${SEDeB}SYSVSIGS\${SEDeC}1\${SEDeD}
"
}

fi
rm -f conftest*


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

oldlibs="$LIBS"
LIBS="$LIBS -lsun"
echo checking for IRIX sun library
cat > conftest.c <<EOF

int main() { exit(0); }
int t() {  }
EOF
if eval $compile; then
  :
else
  LIBS="$oldlibs"
fi
rm -f conftest*



echo checking for wait union
cat > conftest.c <<EOF
#include <sys/types.h>
#include <sys/wait.h>

int main() { exit(0); }
int t() {
  union wait x;
  int y;
#ifdef WEXITSTATUS
  y = WEXITSTATUS(x);
#endif
 }
EOF
if eval $compile; then

{
test -n "$verbose" && \
echo "    defining BSDWAIT"
DEFS="$DEFS -DBSDWAIT=1"
SEDDEFS="${SEDDEFS}\${SEDdA}BSDWAIT\${SEDdB}BSDWAIT\${SEDdC}1\${SEDdD}
\${SEDuA}BSDWAIT\${SEDuB}BSDWAIT\${SEDuC}1\${SEDuD}
\${SEDeA}BSDWAIT\${SEDeB}BSDWAIT\${SEDeC}1\${SEDeD}
"
}

fi
rm -f conftest*


if test -z "$butterfly"; then
echo checking for termio or termios
cat > conftest.c <<EOF
#include <termios.h>
EOF
err=`eval "($CPP \$DEFS conftest.c >/dev/null) 2>&1"`
if test -z "$err"; then

{
test -n "$verbose" && \
echo "    defining TERMIO"
DEFS="$DEFS -DTERMIO=1"
SEDDEFS="${SEDDEFS}\${SEDdA}TERMIO\${SEDdB}TERMIO\${SEDdC}1\${SEDdD}
\${SEDuA}TERMIO\${SEDuB}TERMIO\${SEDuC}1\${SEDuD}
\${SEDeA}TERMIO\${SEDeB}TERMIO\${SEDeC}1\${SEDeD}
"
}

else
  cat > conftest.c <<EOF
#include <termio.h>
EOF
err=`eval "($CPP \$DEFS conftest.c >/dev/null) 2>&1"`
if test -z "$err"; then

{
test -n "$verbose" && \
echo "    defining TERMIO"
DEFS="$DEFS -DTERMIO=1"
SEDDEFS="${SEDDEFS}\${SEDdA}TERMIO\${SEDdB}TERMIO\${SEDdC}1\${SEDdD}
\${SEDuA}TERMIO\${SEDuB}TERMIO\${SEDuC}1\${SEDuD}
\${SEDeA}TERMIO\${SEDeB}TERMIO\${SEDeC}1\${SEDeD}
"
}

fi
rm -f conftest*
fi
rm -f conftest*
fi

echo checking for getspnam
cat > conftest.c <<EOF
#include <shadow.h>
int main() { exit(0); }
int t() { getspnam("x"); }
EOF
if eval $compile; then

{
test -n "$verbose" && \
echo "    defining SHADOWPW"
DEFS="$DEFS -DSHADOWPW=1"
SEDDEFS="${SEDDEFS}\${SEDdA}SHADOWPW\${SEDdB}SHADOWPW\${SEDdC}1\${SEDdD}
\${SEDuA}SHADOWPW\${SEDuB}SHADOWPW\${SEDuC}1\${SEDuD}
\${SEDeA}SHADOWPW\${SEDeB}SHADOWPW\${SEDeC}1\${SEDeD}
"
}

fi
rm -f conftest*


echo checking for getttyent
cat > conftest.c <<EOF

int main() { exit(0); }
int t() { getttyent(); }
EOF
if eval $compile; then

{
test -n "$verbose" && \
echo "    defining GETTTYENT"
DEFS="$DEFS -DGETTTYENT=1"
SEDDEFS="${SEDDEFS}\${SEDdA}GETTTYENT\${SEDdB}GETTTYENT\${SEDdC}1\${SEDdD}
\${SEDuA}GETTTYENT\${SEDuB}GETTTYENT\${SEDuC}1\${SEDuD}
\${SEDeA}GETTTYENT\${SEDeB}GETTTYENT\${SEDeC}1\${SEDeD}
"
}

fi
rm -f conftest*


echo checking whether memcpy/memmove/bcopy handles overlapping arguments
cat > conftest.c <<EOF

main() {
  char buf[10];
  strcpy(buf, "abcdefghi");
  bcopy(buf, buf + 2, 3);
  if (strncmp(buf, "ababcf", 6))
    exit(1);
  strcpy(buf, "abcdefghi");
  bcopy(buf + 2, buf, 3);
  if (strncmp(buf, "cdedef", 6))
    exit(1);
  exit(0); /* libc version works properly.  */
}
EOF
eval $compile
if test -s conftest && (./conftest; exit) 2>/dev/null; then

{
test -n "$verbose" && \
echo "    defining USEBCOPY"
DEFS="$DEFS -DUSEBCOPY=1"
SEDDEFS="${SEDDEFS}\${SEDdA}USEBCOPY\${SEDdB}USEBCOPY\${SEDdC}1\${SEDdD}
\${SEDuA}USEBCOPY\${SEDuB}USEBCOPY\${SEDuC}1\${SEDuD}
\${SEDeA}USEBCOPY\${SEDeB}USEBCOPY\${SEDeC}1\${SEDeD}
"
}

fi
rm -f conftest*

cat > conftest.c <<EOF

#define bcopy(s,d,l) memmove(d,s,l)
main() {
  char buf[10];
  strcpy(buf, "abcdefghi");
  bcopy(buf, buf + 2, 3);
  if (strncmp(buf, "ababcf", 6))
    exit(1);
  strcpy(buf, "abcdefghi");
  bcopy(buf + 2, buf, 3);
  if (strncmp(buf, "cdedef", 6))
    exit(1);
  exit(0); /* libc version works properly.  */
}
EOF
eval $compile
if test -s conftest && (./conftest; exit) 2>/dev/null; then

{
test -n "$verbose" && \
echo "    defining USEMEMMOVE"
DEFS="$DEFS -DUSEMEMMOVE=1"
SEDDEFS="${SEDDEFS}\${SEDdA}USEMEMMOVE\${SEDdB}USEMEMMOVE\${SEDdC}1\${SEDdD}
\${SEDuA}USEMEMMOVE\${SEDuB}USEMEMMOVE\${SEDuC}1\${SEDuD}
\${SEDeA}USEMEMMOVE\${SEDeB}USEMEMMOVE\${SEDeC}1\${SEDeD}
"
}

fi
rm -f conftest*


cat > conftest.c <<EOF

#define bcopy(s,d,l) memcpy(d,s,l)
main() {
  char buf[10];
  strcpy(buf, "abcdefghi");
  bcopy(buf, buf + 2, 3);
  if (strncmp(buf, "ababcf", 6))
    exit(1);
  strcpy(buf, "abcdefghi");
  bcopy(buf + 2, buf, 3);
  if (strncmp(buf, "cdedef", 6))
    exit(1);
  exit(0); /* libc version works properly.  */
}
EOF
eval $compile
if test -s conftest && (./conftest; exit) 2>/dev/null; then

{
test -n "$verbose" && \
echo "    defining USEMEMCPY"
DEFS="$DEFS -DUSEMEMCPY=1"
SEDDEFS="${SEDDEFS}\${SEDdA}USEMEMCPY\${SEDdB}USEMEMCPY\${SEDdC}1\${SEDdD}
\${SEDuA}USEMEMCPY\${SEDuB}USEMEMCPY\${SEDuC}1\${SEDuD}
\${SEDeA}USEMEMCPY\${SEDeB}USEMEMCPY\${SEDeC}1\${SEDeD}
"
}

fi
rm -f conftest*

echo checking for long file names
(echo 1 > /tmp/conftest9012345) 2>/dev/null
(echo 2 > /tmp/conftest9012346) 2>/dev/null
val=`cat /tmp/conftest9012345 2>/dev/null`
if test -f /tmp/conftest9012345 && test "$val" = 1; then :
else
{
test -n "$verbose" && \
echo "    defining NAME_MAX to be 14"
DEFS="$DEFS -DNAME_MAX=14"
SEDDEFS="${SEDDEFS}\${SEDdA}NAME_MAX\${SEDdB}NAME_MAX\${SEDdC}14\${SEDdD}
\${SEDuA}NAME_MAX\${SEDuB}NAME_MAX\${SEDuC}14\${SEDuD}
\${SEDeA}NAME_MAX\${SEDeB}NAME_MAX\${SEDeC}14\${SEDeD}
"
}

fi
rm -f /tmp/conftest*

echo checking for vsprintf
cat > conftest.c <<EOF
#include <varargs.h>
#include <stdio.h>
int main() { exit(0); }
int t() { vsprintf(); }
EOF
if eval $compile; then

{
test -n "$verbose" && \
echo "    defining USEVARARGS"
DEFS="$DEFS -DUSEVARARGS=1"
SEDDEFS="${SEDDEFS}\${SEDdA}USEVARARGS\${SEDdB}USEVARARGS\${SEDdC}1\${SEDdD}
\${SEDuA}USEVARARGS\${SEDuB}USEVARARGS\${SEDuC}1\${SEDuD}
\${SEDeA}USEVARARGS\${SEDeB}USEVARARGS\${SEDeC}1\${SEDeD}
"
}

fi
rm -f conftest*


echo checking for directory library header
dirheader=
if test -z "$dirheader"; then
  echo checking for dirent.h
cat > conftest.c <<EOF
#include <sys/types.h>
#include <dirent.h>
int main() { exit(0); }
int t() { DIR *dirp = opendir ("/"); }
EOF
if eval $compile; then

{
test -n "$verbose" && \
echo "    defining DIRENT"
DEFS="$DEFS -DDIRENT=1"
SEDDEFS="${SEDDEFS}\${SEDdA}DIRENT\${SEDdB}DIRENT\${SEDdC}1\${SEDdD}
\${SEDuA}DIRENT\${SEDuB}DIRENT\${SEDuC}1\${SEDuD}
\${SEDeA}DIRENT\${SEDeB}DIRENT\${SEDeC}1\${SEDeD}
"
}
 dirheader=dirent.h
fi
rm -f conftest*
fi
if test -z "$dirheader"; then
  echo checking for sys/ndir.h
cat > conftest.c <<EOF
#include <sys/types.h>
#include <sys/ndir.h>
int main() { exit(0); }
int t() { DIR *dirp = opendir ("/"); }
EOF
if eval $compile; then

{
test -n "$verbose" && \
echo "    defining SYSNDIR"
DEFS="$DEFS -DSYSNDIR=1"
SEDDEFS="${SEDDEFS}\${SEDdA}SYSNDIR\${SEDdB}SYSNDIR\${SEDdC}1\${SEDdD}
\${SEDuA}SYSNDIR\${SEDuB}SYSNDIR\${SEDuC}1\${SEDuD}
\${SEDeA}SYSNDIR\${SEDeB}SYSNDIR\${SEDeC}1\${SEDeD}
"
}
 dirheader=sys/ndir.h
fi
rm -f conftest*
fi
if test -z "$dirheader"; then
  echo checking for sys/dir.h
cat > conftest.c <<EOF
#include <sys/types.h>
#include <sys/dir.h>
int main() { exit(0); }
int t() { DIR *dirp = opendir ("/"); }
EOF
if eval $compile; then

{
test -n "$verbose" && \
echo "    defining SYSDIR"
DEFS="$DEFS -DSYSDIR=1"
SEDDEFS="${SEDDEFS}\${SEDdA}SYSDIR\${SEDdB}SYSDIR\${SEDdC}1\${SEDdD}
\${SEDuA}SYSDIR\${SEDuB}SYSDIR\${SEDuC}1\${SEDuD}
\${SEDeA}SYSDIR\${SEDeB}SYSDIR\${SEDeC}1\${SEDeD}
"
}
 dirheader=sys/dir.h
fi
rm -f conftest*
fi
if test -z "$dirheader"; then
  echo checking for ndir.h
cat > conftest.c <<EOF
#include <sys/types.h>
#include <ndir.h>
int main() { exit(0); }
int t() { DIR *dirp = opendir ("/"); }
EOF
if eval $compile; then

{
test -n "$verbose" && \
echo "    defining NDIR"
DEFS="$DEFS -DNDIR=1"
SEDDEFS="${SEDDEFS}\${SEDdA}NDIR\${SEDdB}NDIR\${SEDdC}1\${SEDdD}
\${SEDuA}NDIR\${SEDuB}NDIR\${SEDuC}1\${SEDuD}
\${SEDeA}NDIR\${SEDeB}NDIR\${SEDeC}1\${SEDeD}
"
}
 dirheader=ndir.h
fi
rm -f conftest*
fi

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

{
test -n "$verbose" && \
echo "    defining VOID_CLOSEDIR"
DEFS="$DEFS -DVOID_CLOSEDIR=1"
SEDDEFS="${SEDDEFS}\${SEDdA}VOID_CLOSEDIR\${SEDdB}VOID_CLOSEDIR\${SEDdC}1\${SEDdD}
\${SEDuA}VOID_CLOSEDIR\${SEDuB}VOID_CLOSEDIR\${SEDuC}1\${SEDuD}
\${SEDeA}VOID_CLOSEDIR\${SEDeB}VOID_CLOSEDIR\${SEDeC}1\${SEDeD}
"
}

fi
rm -f conftest*

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

EOF
eval "$CPP \$DEFS 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 "$XENIX"; then
  LIBS="$LIBS -lx"
  case "$DEFS" in
  *SYSNDIR*) ;;
  *) LIBS="-ldir $LIBS" ;; # Make sure -ldir precedes any -lx.
  esac
fi


echo checking for setenv
cat > conftest.c <<EOF

int main() { exit(0); }
int t() { setenv((char *)0,(char *)0);unsetenv((char *)0); }
EOF
if eval $compile; then

{
test -n "$verbose" && \
echo "    defining USESETENV"
DEFS="$DEFS -DUSESETENV=1"
SEDDEFS="${SEDDEFS}\${SEDdA}USESETENV\${SEDdB}USESETENV\${SEDdC}1\${SEDdD}
\${SEDuA}USESETENV\${SEDuB}USESETENV\${SEDuC}1\${SEDuD}
\${SEDeA}USESETENV\${SEDeB}USESETENV\${SEDeC}1\${SEDeD}
"
}

else
  echo checking for putenv
cat > conftest.c <<EOF

int main() { exit(0); }
int t() { putenv((char *)0);unsetenv((char *)0); }
EOF
if eval $compile; then
  :
else

{
test -n "$verbose" && \
echo "    defining NEEDPUTENV"
DEFS="$DEFS -DNEEDPUTENV=1"
SEDDEFS="${SEDDEFS}\${SEDdA}NEEDPUTENV\${SEDdB}NEEDPUTENV\${SEDdC}1\${SEDdD}
\${SEDuA}NEEDPUTENV\${SEDuB}NEEDPUTENV\${SEDuC}1\${SEDuD}
\${SEDeA}NEEDPUTENV\${SEDeB}NEEDPUTENV\${SEDeC}1\${SEDeD}
"
}


fi
rm -f conftest*

fi
rm -f conftest*


test -n "$seqptx" && LIBS="-ltermcap -lc -lsocket -linet -lsec -lseq"

cat > conftest.c <<EOF
main(){exit(0);}
EOF
eval $compile
if test -s conftest && (./conftest; exit) 2>/dev/null; then
  :
else
  echo "Can't run the compiler - internal error. Sorry.";exit
fi
rm -f conftest*
if test -n "$prefix"; then

{
test -n "$verbose" && \
echo "    defining ETCSCREENRC to be \"$prefix/etc/screenrc\""
DEFS="$DEFS -DETCSCREENRC=\"$prefix/etc/screenrc\""
SEDDEFS="${SEDDEFS}\${SEDdA}ETCSCREENRC\${SEDdB}ETCSCREENRC\${SEDdC}\"$prefix/etc/screenrc\"\${SEDdD}
\${SEDuA}ETCSCREENRC\${SEDuB}ETCSCREENRC\${SEDuC}\"$prefix/etc/screenrc\"\${SEDuD}
\${SEDeA}ETCSCREENRC\${SEDeB}ETCSCREENRC\${SEDeC}\"$prefix/etc/screenrc\"\${SEDeD}
"
}

fi

if test -n "$prefix"; then
  test -z "$exec_prefix" && exec_prefix='${prefix}'
  prsub="s%^prefix\\([     ]*\\)=\\([     ]*\\).*$%prefix\\1=\\2$prefix%"
fi
if test -n "$exec_prefix"; then
  prsub="$prsub
s%^exec_prefix\\([     ]*\\)=\\([     ]*\\).*$%exec_prefix\\1=\\2$exec_prefix%"
fi
cat >conftest.def <<EOF
$DEFS
EOF
escape_ampersand_and_backslash='s%[&\\]%\\&%g'
DEFS=`sed "$escape_ampersand_and_backslash" <conftest.def`
rm -f conftest.def

trap 'rm -f config.status; exit 1' 1 3 15
echo creating config.status
rm -f config.status
cat > config.status <<EOF
#!/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 | sed 1q`:
#
# $0 $configure_args

for arg
do
  case "\$arg" in
    -recheck | --recheck | --rechec | --reche | --rech | --rec | --re | --r)
    exec /bin/sh $0 $configure_args ;;
    *) echo "Usage: config.status --recheck" 2>&1; exit 1 ;;
  esac
done

trap 'rm -fr Makefile doc/Makefile config.h conftest*; exit 1' 1 3 15
VERSION='$VERSION'
CC='$CC'
CPP='$CPP'
AWK='$AWK'
INSTALL='$INSTALL'
INSTALL_PROGRAM='$INSTALL_PROGRAM'
INSTALL_DATA='$INSTALL_DATA'
LIBS='$LIBS'
srcdir='$srcdir'
prefix='$prefix'
exec_prefix='$exec_prefix'
prsub='$prsub'
EOF
cat >> config.status <<\EOF

top_srcdir=$srcdir

# Allow make-time overrides of the generated file list.
test -n "$gen_files" || gen_files="Makefile doc/Makefile"

for file in .. $gen_files; do if [ "x$file" != "x.." ]; then
  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 `echo $file|sed 's|.*/||'`.in by configure." > $file
  sed -e "
$prsub
s%@VERSION@%$VERSION%g
s%@CC@%$CC%g
s%@CPP@%$CPP%g
s%@AWK@%$AWK%g
s%@INSTALL@%$INSTALL%g
s%@INSTALL_PROGRAM@%$INSTALL_PROGRAM%g
s%@INSTALL_DATA@%$INSTALL_DATA%g
s%@LIBS@%$LIBS%g
s%@srcdir@%$srcdir%g
s%@DEFS@%-DHAVE_CONFIG_H%" $top_srcdir/${file}.in >> $file
fi; done
test -n "$gen_config" || gen_config=config.h
echo creating $gen_config
# These sed commands are put into SEDDEFS when defining a macro.
# They are broken into pieces to make the sed script easier to manage.
# They are passed to sed as "A NAME B NAME C VALUE D", where NAME
# is the cpp macro being defined and VALUE is the value it is being given.
# Each defining turns into a single global substitution command.
#
# SEDd sets the value in "#define NAME VALUE" lines.
SEDdA='s@^\([     ]*\)#\([     ]*define[     ][     ]*\)'
SEDdB='\([     ][     ]*\)[^     ]*@\1#\2'
SEDdC='\3'
SEDdD='@g'
# SEDu turns "#undef NAME" with trailing blanks into "#define NAME VALUE".
SEDuA='s@^\([     ]*\)#\([     ]*\)undef\([     ][     ]*\)'
SEDuB='\([     ]\)@\1#\2define\3'
SEDuC=' '
SEDuD='\4@g'
# SEDe turns "#undef NAME" without trailing blanks into "#define NAME VALUE".
SEDeA='s@^\([     ]*\)#\([     ]*\)undef\([     ][     ]*\)'
SEDeB='$@\1#\2define\3'
SEDeC=' '
SEDeD='@g'
rm -f conftest.sed
EOF
# Turn off quoting long enough to insert the sed commands.
rm -f conftest.sh
cat > conftest.sh <<EOF
$SEDDEFS
EOF

# Maximum number of lines to put in a single here document.
maxshlines=9

# Break up $SEDDEFS (now in conftest.sh) because some shells have a limit
# on the size of here documents.

while :
do
  lines=`grep -c . conftest.sh`
  if test -z "$lines" || test "$lines" -eq 0; then break; fi
  rm -f conftest.s1 conftest.s2
  sed ${maxshlines}q conftest.sh > conftest.s1 # Like head -20.
  sed 1,${maxshlines}d conftest.sh > conftest.s2 # Like tail +21.
  # Write a limited-size here document to append to conftest.sed.
  echo 'cat >> conftest.sed <<CONFEOF' >> config.status
  cat conftest.s1 >> config.status
  echo 'CONFEOF' >> config.status
  rm -f conftest.s1 conftest.sh
  mv conftest.s2 conftest.sh
done
rm -f conftest.sh

# Now back to your regularly scheduled config.status.
cat >> config.status <<\EOF
# This sed command replaces #undef's with comments.  This is necessary, for
# example, in the case of _POSIX_SOURCE, which is predefined and required
# on some systems where configure will not decide to define it in
# config.h.
cat >> conftest.sed <<\CONFEOF
s,^[     ]*#[     ]*undef[     ][     ]*[a-zA-Z_][a-zA-Z_0-9]*,/* & */,
CONFEOF
rm -f conftest.h
# Break up the sed commands because old seds have small limits.
maxsedlines=20
cp $top_srcdir/$gen_config.in conftest.h1
while :
do
  lines=`grep -c . conftest.sed`
  if test -z "$lines" || test "$lines" -eq 0; then break; fi
  rm -f conftest.s1 conftest.s2 conftest.h2
  sed ${maxsedlines}q conftest.sed > conftest.s1 # Like head -20.
  sed 1,${maxsedlines}d conftest.sed > conftest.s2 # Like tail +21.
  sed -f conftest.s1 < conftest.h1 > conftest.h2
  rm -f conftest.s1 conftest.h1 conftest.sed
  mv conftest.h2 conftest.h1
  mv conftest.s2 conftest.sed
done
rm -f conftest.sed conftest.h
echo "/* $gen_config.  Generated automatically by configure.  */" > conftest.h
cat conftest.h1 >> conftest.h
rm -f conftest.h1
if cmp -s $gen_config conftest.h 2>/dev/null; then
  # The file exists and we would not be changing it.
  rm -f conftest.h
else
  rm -f $gen_config
  mv conftest.h $gen_config
fi


exit 0
EOF
chmod +x config.status
test -n "$no_create" || ./config.status


# a hook for preserving undef directive in config.h
if test -z "$no_create" ; then
mv config.h conftest
sed -e 's@^\(.*\)defin.\( .*\) .*/\*\(.*KEEP_UNDEF_HERE\)@\1undef\2    /\*\3@' < conftest > config.h
rm -f conftest
fi
cat >> config.status << EOF
mv config.h conftest
sed -e 's@^\(.*\)defin.\( .*\) .*/\*\(.*KEEP_UNDEF_HERE\)@\1undef\2    /\*\3@' < conftest > config.h
rm -f conftest
EOF

echo ""
if test -z "$AWK"; then
echo "!!! Since you have no awk you must copy the files 'comm.h.dist'"
echo "!!! and 'term.h.dist' to 'comm.h' and 'term.h'."
echo "!!! Do _not_ change the user configuration section in config.h!"
echo "Please check the pathnames in the Makefile."
else
echo "Now please check the pathnames in the Makefile and the user"
echo "configuration section in config.h."
fi
echo "Then type 'make' to make screen. Good luck."
echo ""