#!/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]
#        [--prefix=PREFIX] [--exec-prefix=PREFIX] [--with-PACKAGE[=VALUE]]
# Ignores all args except --srcdir, --prefix, --exec-prefix, and
# --with-PACKAGE[=VALUE] 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, recognize -exec-prefix and --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) ;;

     -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 -e 's/-*with-//' -e 's/=.*//'`
       # Reject names that aren't valid shell variable names.
       if test -n "`echo $package| sed 's/[-a-zA-Z0-9_]//g'`"; then
         echo "configure: $package: invalid package name" >&2; exit 1
       fi
       package=`echo $package| sed 's/-/_/g'`
       case "$arg" in
         *=*) val="`echo $arg|sed 's/[^=]*=//'`" ;;
         *) val=1 ;;
       esac
       eval "with_$package='$val'" ;;

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

     *) ;;
    esac
  fi
done

trap 'rm -fr conftest* confdefs* core; exit 1' 1 3 15
trap 'rm -f confdefs*' 0

# 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* confdefs.h
# AIX cpp loses on an empty file, so make sure it contains at least a newline.
echo > confdefs.h
compile='${CC-cc} $CFLAGS 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=prolang.y

# 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="$*"

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 "$CC" && test -n "$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 for "gcc/assembler float incompatibility, e.g. on AIX"
cat > conftest.c <<EOF
#include "confdefs.h"
double d = 4.5;
int main() { exit(0); }
int t() { double e = 1.3; e/= 0.2; }
EOF
if eval $compile; then
  :
else
  rm -rf conftest*
  echo "falling back to cc" CC="cc"
fi
rm -f conftest*

# 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}
test -n "$verbose" && echo "	setting INSTALL to $INSTALL"
INSTALL_PROGRAM=${INSTALL_PROGRAM-'$(INSTALL)'}
test -n "$verbose" && echo "	setting INSTALL_PROGRAM to $INSTALL_PROGRAM"
INSTALL_DATA=${INSTALL_DATA-'$(INSTALL)'}
test -n "$verbose" && echo "	setting INSTALL_DATA to $INSTALL_DATA"


for p in byacc
do
if test -z "$YACC"; then
  # Extract the first word of `$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
      YACC="$p"
      break
    fi
  done
  IFS="$saveifs"
fi

test -n "$YACC" && test -n "$verbose" && echo "	setting YACC to $YACC"

test -n "$YACC" && break
done
test -n "$YACC" || YACC="yacc"

for hdr in sys/rusage.h sys/time.h unistd.h stdlib.h libc.h memory.h
do
trhdr=HAVE_`echo $hdr | tr '[a-z]./' '[A-Z]__'`
echo checking for ${hdr}
echo checking how to run the C preprocessor
if test -z "$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 "confdefs.h"
#include <stdio.h>
Syntax Error
EOF
err=`eval "($CPP conftest.c >/dev/null) 2>&1"`
if test -z "$err"; then
  :
else
  rm -rf conftest*
  CPP=/lib/cpp
fi
rm -f conftest*
fi
test ".${verbose}" != "." && echo "	setting CPP to $CPP"

cat > conftest.c <<EOF
#include "confdefs.h"
#include <${hdr}>
EOF
err=`eval "($CPP conftest.c >/dev/null) 2>&1"`
if test -z "$err"; then
  rm -rf conftest*
  
{
test -n "$verbose" && \
echo "	defining ${trhdr}"
echo "#define" ${trhdr} 1 >> confdefs.h
DEFS="$DEFS -D${trhdr}=1"
SEDDEFS="${SEDDEFS}\${SEDdA}${trhdr}\${SEDdB}${trhdr}\${SEDdC}1\${SEDdD}
\${SEDuA}${trhdr}\${SEDuB}${trhdr}\${SEDuC}1\${SEDuD}
\${SEDeA}${trhdr}\${SEDeB}${trhdr}\${SEDeC}1\${SEDeD}
"
}


fi
rm -f conftest*
done

for hdr in values.h string.h bstring.h
do
trhdr=HAVE_`echo $hdr | tr '[a-z]./' '[A-Z]__'`
echo checking for ${hdr}
cat > conftest.c <<EOF
#include "confdefs.h"
#include <${hdr}>
EOF
err=`eval "($CPP conftest.c >/dev/null) 2>&1"`
if test -z "$err"; then
  rm -rf conftest*
  
{
test -n "$verbose" && \
echo "	defining ${trhdr}"
echo "#define" ${trhdr} 1 >> confdefs.h
DEFS="$DEFS -D${trhdr}=1"
SEDDEFS="${SEDDEFS}\${SEDdA}${trhdr}\${SEDdB}${trhdr}\${SEDdC}1\${SEDdD}
\${SEDuA}${trhdr}\${SEDuB}${trhdr}\${SEDuC}1\${SEDuD}
\${SEDeA}${trhdr}\${SEDeB}${trhdr}\${SEDeC}1\${SEDeD}
"
}


fi
rm -f conftest*
done

echo checking for ANSI C header files
cat > conftest.c <<EOF
#include "confdefs.h"
#include <stdlib.h>
#include <stdarg.h>
#include <string.h>
#include <float.h>
EOF
err=`eval "($CPP conftest.c >/dev/null) 2>&1"`
if test -z "$err"; then
  rm -rf conftest*
  # SunOS 4.x string.h does not declare mem*, contrary to ANSI.
echo '#include "confdefs.h"
#include <string.h>' > conftest.c
eval "$CPP conftest.c > conftest.out 2>&1"
if egrep "memchr" conftest.out >/dev/null 2>&1; then
  rm -rf conftest*
  # SGI's /bin/cc from Irix-4.0.5 gets non-ANSI ctype macros unless using -ansi.
cat > conftest.c <<EOF
#include "confdefs.h"
#include <ctype.h>
#define ISLOWER(c) ('a' <= (c) && (c) <= 'z')
#define TOUPPER(c) (ISLOWER(c) ? 'A' + ((c) - 'a') : (c))
#define XOR(e,f) (((e) && !(f)) || (!(e) && (f)))
int main () { int i; for (i = 0; i < 256; i++)
if (XOR (islower (i), ISLOWER (i)) || toupper (i) != TOUPPER (i)) exit(2);
exit (0); }

EOF
eval $compile
if test -s conftest && (./conftest; exit) 2>/dev/null; then
  
{
test -n "$verbose" && \
echo "	defining STDC_HEADERS"
echo "#define" STDC_HEADERS 1 >> confdefs.h
DEFS="$DEFS -DSTDC_HEADERS=1"
SEDDEFS="${SEDDEFS}\${SEDdA}STDC_HEADERS\${SEDdB}STDC_HEADERS\${SEDdC}1\${SEDdD}
\${SEDuA}STDC_HEADERS\${SEDuB}STDC_HEADERS\${SEDuC}1\${SEDuD}
\${SEDeA}STDC_HEADERS\${SEDeB}STDC_HEADERS\${SEDeC}1\${SEDeD}
"
}


fi
rm -fr conftest*

fi
rm -f conftest*


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 "confdefs.h"
#include <sys/types.h>
#include <dirent.h>
int main() { exit(0); }
int t() { DIR *dirp = 0; }
EOF
if eval $compile; then
  rm -rf conftest*
  
{
test -n "$verbose" && \
echo "	defining DIRENT"
echo "#define" DIRENT 1 >> confdefs.h
DEFS="$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 "confdefs.h"
#include <sys/types.h>
#include <sys/ndir.h>
int main() { exit(0); }
int t() { DIR *dirp = 0; }
EOF
if eval $compile; then
  rm -rf conftest*
  
{
test -n "$verbose" && \
echo "	defining SYSNDIR"
echo "#define" SYSNDIR 1 >> confdefs.h
DEFS="$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 "confdefs.h"
#include <sys/types.h>
#include <sys/dir.h>
int main() { exit(0); }
int t() { DIR *dirp = 0; }
EOF
if eval $compile; then
  rm -rf conftest*
  
{
test -n "$verbose" && \
echo "	defining SYSDIR"
echo "#define" SYSDIR 1 >> confdefs.h
DEFS="$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 "confdefs.h"
#include <sys/types.h>
#include <ndir.h>
int main() { exit(0); }
int t() { DIR *dirp = 0; }
EOF
if eval $compile; then
  rm -rf conftest*
  
{
test -n "$verbose" && \
echo "	defining NDIR"
echo "#define" NDIR 1 >> confdefs.h
DEFS="$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 "confdefs.h"
#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 "$verbose" && \
echo "	defining VOID_CLOSEDIR"
echo "#define" VOID_CLOSEDIR 1 >> confdefs.h
DEFS="$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 -fr conftest*

echo checking for "sizeof(char *) == 4"
cat > conftest.c <<EOF
#include "confdefs.h"
int i = 8/(sizeof(char *) - 4);
int main() { exit(0); }
int t() {  }
EOF
if eval $compile; then
  rm -rf conftest*
  echo checking for "sizeof(char *) == 8"
cat > conftest.c <<EOF
#include "confdefs.h"
int i = 8/(sizeof(char *) - 8);
int main() { exit(0); }
int t() {  }
EOF
if eval $compile; then
  :
else
  rm -rf conftest*
  
{
test -n "$verbose" && \
echo "	defining" SIZEOF_P_INT to be 8
echo "#define" SIZEOF_P_INT 8 >> confdefs.h
DEFS="$DEFS -DSIZEOF_P_INT=8"
SEDDEFS="${SEDDEFS}\${SEDdA}SIZEOF_P_INT\${SEDdB}SIZEOF_P_INT\${SEDdC}8\${SEDdD}
\${SEDuA}SIZEOF_P_INT\${SEDuB}SIZEOF_P_INT\${SEDuC}8\${SEDuD}
\${SEDeA}SIZEOF_P_INT\${SEDeB}SIZEOF_P_INT\${SEDeC}8\${SEDeD}
"
}

fi
rm -f conftest*



else
  rm -rf conftest*
  
{
test -n "$verbose" && \
echo "	defining" SIZEOF_P_INT to be 4
echo "#define" SIZEOF_P_INT 4 >> confdefs.h
DEFS="$DEFS -DSIZEOF_P_INT=4"
SEDDEFS="${SEDDEFS}\${SEDdA}SIZEOF_P_INT\${SEDdB}SIZEOF_P_INT\${SEDdC}4\${SEDdD}
\${SEDuA}SIZEOF_P_INT\${SEDuB}SIZEOF_P_INT\${SEDuC}4\${SEDuD}
\${SEDeA}SIZEOF_P_INT\${SEDeB}SIZEOF_P_INT\${SEDeC}4\${SEDeD}
"
}

fi
rm -f conftest*

echo checking for "sizeof(int) == 2"
cat > conftest.c <<EOF
#include "confdefs.h"
int i = 8/(sizeof(int) - 2);
int main() { exit(0); }
int t() {  }
EOF
if eval $compile; then
  rm -rf conftest*
  
{
test -n "$verbose" && \
echo "	defining" SIZEOF_INT to be 4
echo "#define" SIZEOF_INT 4 >> confdefs.h
DEFS="$DEFS -DSIZEOF_INT=4"
SEDDEFS="${SEDDEFS}\${SEDdA}SIZEOF_INT\${SEDdB}SIZEOF_INT\${SEDdC}4\${SEDdD}
\${SEDuA}SIZEOF_INT\${SEDuB}SIZEOF_INT\${SEDuC}4\${SEDuD}
\${SEDeA}SIZEOF_INT\${SEDeB}SIZEOF_INT\${SEDeC}4\${SEDeD}
"
}
 

else
  rm -rf conftest*
  
{
test -n "$verbose" && \
echo "	defining" SIZEOF_INT to be 2
echo "#define" SIZEOF_INT 2 >> confdefs.h
DEFS="$DEFS -DSIZEOF_INT=2"
SEDDEFS="${SEDDEFS}\${SEDdA}SIZEOF_INT\${SEDdB}SIZEOF_INT\${SEDdC}2\${SEDdD}
\${SEDuA}SIZEOF_INT\${SEDuB}SIZEOF_INT\${SEDuC}2\${SEDuD}
\${SEDeA}SIZEOF_INT\${SEDeB}SIZEOF_INT\${SEDeC}2\${SEDeD}
"
}

fi
rm -f conftest*

echo checking for "sizeof(long) == 8"
cat > conftest.c <<EOF
#include "confdefs.h"
int i = 8/(sizeof(long) - 8);
int main() { exit(0); }
int t() {  }
EOF
if eval $compile; then
  rm -rf conftest*
  
{
test -n "$verbose" && \
echo "	defining" SIZEOF_LONG to be 4
echo "#define" SIZEOF_LONG 4 >> confdefs.h
DEFS="$DEFS -DSIZEOF_LONG=4"
SEDDEFS="${SEDDEFS}\${SEDdA}SIZEOF_LONG\${SEDdB}SIZEOF_LONG\${SEDdC}4\${SEDdD}
\${SEDuA}SIZEOF_LONG\${SEDuB}SIZEOF_LONG\${SEDuC}4\${SEDuD}
\${SEDeA}SIZEOF_LONG\${SEDeB}SIZEOF_LONG\${SEDeC}4\${SEDeD}
"
}


else
  rm -rf conftest*
  
{
test -n "$verbose" && \
echo "	defining" SIZEOF_LONG to be 8
echo "#define" SIZEOF_LONG 8 >> confdefs.h
DEFS="$DEFS -DSIZEOF_LONG=8"
SEDDEFS="${SEDDEFS}\${SEDdA}SIZEOF_LONG\${SEDdB}SIZEOF_LONG\${SEDdC}8\${SEDdD}
\${SEDuA}SIZEOF_LONG\${SEDuB}SIZEOF_LONG\${SEDuC}8\${SEDuD}
\${SEDeA}SIZEOF_LONG\${SEDeB}SIZEOF_LONG\${SEDeC}8\${SEDeD}
"
}

fi
rm -f conftest*

echo checking for "needed malloc() alignment"
cat > conftest.c <<EOF
#include "confdefs.h"
int i = 96/(sizeof(struct {double d; char *p; double e;}) - 20);
int main() { exit(0); }
int t() {  }
EOF
if eval $compile; then
  rm -rf conftest*
  
{
test -n "$verbose" && \
echo "	defining" MALLOC_ALIGN to be 8
echo "#define" MALLOC_ALIGN 8 >> confdefs.h
DEFS="$DEFS -DMALLOC_ALIGN=8"
SEDDEFS="${SEDDEFS}\${SEDdA}MALLOC_ALIGN\${SEDdB}MALLOC_ALIGN\${SEDdC}8\${SEDdD}
\${SEDuA}MALLOC_ALIGN\${SEDuB}MALLOC_ALIGN\${SEDuC}8\${SEDuD}
\${SEDeA}MALLOC_ALIGN\${SEDeB}MALLOC_ALIGN\${SEDeC}8\${SEDeD}
"
}


else
  rm -rf conftest*
  
{
test -n "$verbose" && \
echo "	defining" MALLOC_ALIGN to be 4
echo "#define" MALLOC_ALIGN 4 >> confdefs.h
DEFS="$DEFS -DMALLOC_ALIGN=4"
SEDDEFS="${SEDDEFS}\${SEDdA}MALLOC_ALIGN\${SEDdB}MALLOC_ALIGN\${SEDdC}4\${SEDdD}
\${SEDuA}MALLOC_ALIGN\${SEDuB}MALLOC_ALIGN\${SEDuC}4\${SEDuD}
\${SEDeA}MALLOC_ALIGN\${SEDeB}MALLOC_ALIGN\${SEDeC}4\${SEDeD}
"
}

fi
rm -f conftest*

if test -n "$GCC"; then
echo checking for inline
cat > conftest.c <<EOF
#include "confdefs.h"

int main() { exit(0); }
int t() { } inline foo() { }
EOF
if eval $compile; then
  :
else
  rm -rf conftest*
  
{
test -n "$verbose" && \
echo "	defining" inline to be __inline
echo "#define" inline __inline >> confdefs.h
DEFS="$DEFS -Dinline=__inline"
SEDDEFS="${SEDDEFS}\${SEDdA}inline\${SEDdB}inline\${SEDdC}__inline\${SEDdD}
\${SEDuA}inline\${SEDuB}inline\${SEDuC}__inline\${SEDuD}
\${SEDeA}inline\${SEDeB}inline\${SEDeC}__inline\${SEDeD}
"
}

fi
rm -f conftest*

fi

echo checking for size_t in sys/types.h
echo '#include "confdefs.h"
#include <sys/types.h>' > conftest.c
eval "$CPP conftest.c > conftest.out 2>&1"
if egrep "size_t" conftest.out >/dev/null 2>&1; then
  :
else
  rm -rf conftest*
  
{
test -n "$verbose" && \
echo "	defining" size_t to be unsigned
echo "#define" size_t unsigned >> confdefs.h
DEFS="$DEFS -Dsize_t=unsigned"
SEDDEFS="${SEDDEFS}\${SEDdA}size_t\${SEDdB}size_t\${SEDdC}unsigned\${SEDdD}
\${SEDuA}size_t\${SEDuB}size_t\${SEDuC}unsigned\${SEDuD}
\${SEDeA}size_t\${SEDeB}size_t\${SEDeC}unsigned\${SEDeD}
"
}

fi
rm -f conftest*

echo checking for pid_t in sys/types.h
echo '#include "confdefs.h"
#include <sys/types.h>' > conftest.c
eval "$CPP conftest.c > conftest.out 2>&1"
if egrep "pid_t" conftest.out >/dev/null 2>&1; then
  :
else
  rm -rf conftest*
  
{
test -n "$verbose" && \
echo "	defining" pid_t to be int
echo "#define" pid_t int >> confdefs.h
DEFS="$DEFS -Dpid_t=int"
SEDDEFS="${SEDDEFS}\${SEDdA}pid_t\${SEDdB}pid_t\${SEDdC}int\${SEDdD}
\${SEDuA}pid_t\${SEDuB}pid_t\${SEDuC}int\${SEDuD}
\${SEDeA}pid_t\${SEDeB}pid_t\${SEDeC}int\${SEDeD}
"
}

fi
rm -f conftest*

echo checking for return type of signal handlers
cat > conftest.c <<EOF
#include "confdefs.h"
#include <sys/types.h>
#include <signal.h>
#ifdef signal
#undef signal
#endif
extern void (*signal ()) ();
int main() { exit(0); }
int t() { int i; }
EOF
if eval $compile; then
  rm -rf conftest*
  
{
test -n "$verbose" && \
echo "	defining" RETSIGTYPE to be void
echo "#define" RETSIGTYPE void >> confdefs.h
DEFS="$DEFS -DRETSIGTYPE=void"
SEDDEFS="${SEDDEFS}\${SEDdA}RETSIGTYPE\${SEDdB}RETSIGTYPE\${SEDdC}void\${SEDdD}
\${SEDuA}RETSIGTYPE\${SEDuB}RETSIGTYPE\${SEDuC}void\${SEDuD}
\${SEDeA}RETSIGTYPE\${SEDeB}RETSIGTYPE\${SEDeC}void\${SEDeD}
"
}


else
  rm -rf conftest*
  
{
test -n "$verbose" && \
echo "	defining" RETSIGTYPE to be int
echo "#define" RETSIGTYPE int >> confdefs.h
DEFS="$DEFS -DRETSIGTYPE=int"
SEDDEFS="${SEDDEFS}\${SEDdA}RETSIGTYPE\${SEDdB}RETSIGTYPE\${SEDdC}int\${SEDdD}
\${SEDuA}RETSIGTYPE\${SEDuB}RETSIGTYPE\${SEDuC}int\${SEDuD}
\${SEDeA}RETSIGTYPE\${SEDeB}RETSIGTYPE\${SEDeC}int\${SEDeD}
"
}

fi
rm -f conftest*


LIBS_save="${LIBS}"
LIBS="${LIBS} -lm"
have_lib=""
echo checking for -lm
cat > conftest.c <<EOF
#include "confdefs.h"

int main() { exit(0); }
int t() { main(); }
EOF
if eval $compile; then
  rm -rf conftest*
  have_lib="1"

fi
rm -f conftest*
LIBS="${LIBS_save}"
if test -n "${have_lib}"; then
   
{
test -n "$verbose" && \
echo "	defining HAVE_LIBM"
echo "#define" HAVE_LIBM 1 >> confdefs.h
DEFS="$DEFS -DHAVE_LIBM=1"
SEDDEFS="${SEDDEFS}\${SEDdA}HAVE_LIBM\${SEDdB}HAVE_LIBM\${SEDdC}1\${SEDdD}
\${SEDuA}HAVE_LIBM\${SEDuB}HAVE_LIBM\${SEDuC}1\${SEDuD}
\${SEDeA}HAVE_LIBM\${SEDeB}HAVE_LIBM\${SEDeC}1\${SEDeD}
"
}

   LIBS="${LIBS} -lm"
fi

LIBS_save="${LIBS}"
LIBS="${LIBS} -lsocket"
have_lib=""
echo checking for -lsocket
cat > conftest.c <<EOF
#include "confdefs.h"

int main() { exit(0); }
int t() { main(); }
EOF
if eval $compile; then
  rm -rf conftest*
  have_lib="1"

fi
rm -f conftest*
LIBS="${LIBS_save}"
if test -n "${have_lib}"; then
   
{
test -n "$verbose" && \
echo "	defining HAVE_LIBSOCKET"
echo "#define" HAVE_LIBSOCKET 1 >> confdefs.h
DEFS="$DEFS -DHAVE_LIBSOCKET=1"
SEDDEFS="${SEDDEFS}\${SEDdA}HAVE_LIBSOCKET\${SEDdB}HAVE_LIBSOCKET\${SEDdC}1\${SEDdD}
\${SEDuA}HAVE_LIBSOCKET\${SEDuB}HAVE_LIBSOCKET\${SEDuC}1\${SEDuD}
\${SEDeA}HAVE_LIBSOCKET\${SEDeB}HAVE_LIBSOCKET\${SEDeC}1\${SEDeD}
"
}

   LIBS="${LIBS} -lsocket"
fi

LIBS_save="${LIBS}"
LIBS="${LIBS} -lucb"
have_lib=""
echo checking for -lucb
cat > conftest.c <<EOF
#include "confdefs.h"

int main() { exit(0); }
int t() { main(); }
EOF
if eval $compile; then
  rm -rf conftest*
  have_lib="1"

fi
rm -f conftest*
LIBS="${LIBS_save}"
if test -n "${have_lib}"; then
   :; LIBS="$LIBS -lc -lucb"
else
   :; 
fi

case "$DEFS" in
  *HAVE_LIBSOCKET* | *HAVE_LIBUCB*)
      LIBS_save="${LIBS}"
LIBS="${LIBS} -lnsl"
have_lib=""
echo checking for -lnsl
cat > conftest.c <<EOF
#include "confdefs.h"

int main() { exit(0); }
int t() { main(); }
EOF
if eval $compile; then
  rm -rf conftest*
  have_lib="1"

fi
rm -f conftest*
LIBS="${LIBS_save}"
if test -n "${have_lib}"; then
   
{
test -n "$verbose" && \
echo "	defining HAVE_LIBNSL"
echo "#define" HAVE_LIBNSL 1 >> confdefs.h
DEFS="$DEFS -DHAVE_LIBNSL=1"
SEDDEFS="${SEDDEFS}\${SEDdA}HAVE_LIBNSL\${SEDdB}HAVE_LIBNSL\${SEDdC}1\${SEDdD}
\${SEDuA}HAVE_LIBNSL\${SEDuB}HAVE_LIBNSL\${SEDuC}1\${SEDuD}
\${SEDeA}HAVE_LIBNSL\${SEDeB}HAVE_LIBNSL\${SEDeC}1\${SEDeD}
"
}

   LIBS="${LIBS} -lnsl"
fi
 ;;
esac
# The Ultrix 4.2 mips builtin alloca declared by alloca.h only works
# for constant arguments.  Useless!
echo checking for working alloca.h
cat > conftest.c <<EOF
#include "confdefs.h"
#include <alloca.h>
int main() { exit(0); }
int t() { char *p = alloca(2 * sizeof(int)); }
EOF
if eval $compile; then
  rm -rf conftest*
  
{
test -n "$verbose" && \
echo "	defining HAVE_ALLOCA_H"
echo "#define" HAVE_ALLOCA_H 1 >> confdefs.h
DEFS="$DEFS -DHAVE_ALLOCA_H=1"
SEDDEFS="${SEDDEFS}\${SEDdA}HAVE_ALLOCA_H\${SEDdB}HAVE_ALLOCA_H\${SEDdC}1\${SEDdD}
\${SEDuA}HAVE_ALLOCA_H\${SEDuB}HAVE_ALLOCA_H\${SEDuC}1\${SEDuD}
\${SEDeA}HAVE_ALLOCA_H\${SEDeB}HAVE_ALLOCA_H\${SEDeC}1\${SEDeD}
"
}


fi
rm -f conftest*

decl="#ifdef __GNUC__
#define alloca __builtin_alloca
#else
#if HAVE_ALLOCA_H
#include <alloca.h>
#else
#ifdef _AIX
 #pragma alloca
#else
char *alloca ();
#endif
#endif
#endif
"
echo checking for alloca
cat > conftest.c <<EOF
#include "confdefs.h"
$decl
int main() { exit(0); }
int t() { char *p = (char *) alloca(1); }
EOF
if eval $compile; then
  :
else
  rm -rf conftest*
  alloca_missing=1
cat > conftest.c <<EOF
#include "confdefs.h"

#if defined(CRAY) && ! defined(CRAY2)
winnitude
#else
lossage
#endif

EOF
eval "$CPP conftest.c > conftest.out 2>&1"
if egrep "winnitude" conftest.out >/dev/null 2>&1; then
  rm -rf conftest*
  echo checking for _getb67
cat > conftest.c <<EOF
#include "confdefs.h"
#include <ctype.h>
int main() { exit(0); }
int t() { 
/* The GNU C library defines this for functions which it implements
    to always fail with ENOSYS.  Some functions are actually named
    something starting with __ and the normal name is an alias.  */
#if defined (__stub__getb67) || defined (__stub____getb67)
choke me
#else
/* Override any gcc2 internal prototype to avoid an error.  */
extern char _getb67(); _getb67();
#endif
 }
EOF
if eval $compile; then
  rm -rf conftest*
  {
test -n "$verbose" && \
echo "	defining" CRAY_STACKSEG_END to be _getb67
echo "#define" CRAY_STACKSEG_END _getb67 >> confdefs.h
DEFS="$DEFS -DCRAY_STACKSEG_END=_getb67"
SEDDEFS="${SEDDEFS}\${SEDdA}CRAY_STACKSEG_END\${SEDdB}CRAY_STACKSEG_END\${SEDdC}_getb67\${SEDdD}
\${SEDuA}CRAY_STACKSEG_END\${SEDuB}CRAY_STACKSEG_END\${SEDuC}_getb67\${SEDuD}
\${SEDeA}CRAY_STACKSEG_END\${SEDeB}CRAY_STACKSEG_END\${SEDeC}_getb67\${SEDeD}
"
}


else
  rm -rf conftest*
  echo checking for GETB67
cat > conftest.c <<EOF
#include "confdefs.h"
#include <ctype.h>
int main() { exit(0); }
int t() { 
/* The GNU C library defines this for functions which it implements
    to always fail with ENOSYS.  Some functions are actually named
    something starting with __ and the normal name is an alias.  */
#if defined (__stub_GETB67) || defined (__stub___GETB67)
choke me
#else
/* Override any gcc2 internal prototype to avoid an error.  */
extern char GETB67(); GETB67();
#endif
 }
EOF
if eval $compile; then
  rm -rf conftest*
  {
test -n "$verbose" && \
echo "	defining" CRAY_STACKSEG_END to be GETB67
echo "#define" CRAY_STACKSEG_END GETB67 >> confdefs.h
DEFS="$DEFS -DCRAY_STACKSEG_END=GETB67"
SEDDEFS="${SEDDEFS}\${SEDdA}CRAY_STACKSEG_END\${SEDdB}CRAY_STACKSEG_END\${SEDdC}GETB67\${SEDdD}
\${SEDuA}CRAY_STACKSEG_END\${SEDuB}CRAY_STACKSEG_END\${SEDuC}GETB67\${SEDuD}
\${SEDeA}CRAY_STACKSEG_END\${SEDeB}CRAY_STACKSEG_END\${SEDeC}GETB67\${SEDeD}
"
}


else
  rm -rf conftest*
  echo checking for getb67
cat > conftest.c <<EOF
#include "confdefs.h"
#include <ctype.h>
int main() { exit(0); }
int t() { 
/* The GNU C library defines this for functions which it implements
    to always fail with ENOSYS.  Some functions are actually named
    something starting with __ and the normal name is an alias.  */
#if defined (__stub_getb67) || defined (__stub___getb67)
choke me
#else
/* Override any gcc2 internal prototype to avoid an error.  */
extern char getb67(); getb67();
#endif
 }
EOF
if eval $compile; then
  rm -rf conftest*
  {
test -n "$verbose" && \
echo "	defining" CRAY_STACKSEG_END to be getb67
echo "#define" CRAY_STACKSEG_END getb67 >> confdefs.h
DEFS="$DEFS -DCRAY_STACKSEG_END=getb67"
SEDDEFS="${SEDDEFS}\${SEDdA}CRAY_STACKSEG_END\${SEDdB}CRAY_STACKSEG_END\${SEDdC}getb67\${SEDdD}
\${SEDuA}CRAY_STACKSEG_END\${SEDuB}CRAY_STACKSEG_END\${SEDuC}getb67\${SEDuD}
\${SEDeA}CRAY_STACKSEG_END\${SEDeB}CRAY_STACKSEG_END\${SEDeC}getb67\${SEDeD}
"
}


fi
rm -f conftest*

fi
rm -f conftest*

fi
rm -f conftest*


fi
rm -f conftest*


fi
rm -f conftest*

if test -n "$alloca_missing"; then
  # The SVR3 libPW and SVR4 libucb both contain incompatible functions
  # that cause trouble.  Some versions do not even contain alloca or
  # contain a buggy version.  If you still want to use their alloca,
  # use ar to extract alloca.o from them instead of compiling alloca.c.
  ALLOCA=alloca.o
  
{
test -n "$verbose" && \
echo "	defining C_ALLOCA"
echo "#define" C_ALLOCA 1 >> confdefs.h
DEFS="$DEFS -DC_ALLOCA=1"
SEDDEFS="${SEDDEFS}\${SEDdA}C_ALLOCA\${SEDdB}C_ALLOCA\${SEDdC}1\${SEDdD}
\${SEDuA}C_ALLOCA\${SEDuB}C_ALLOCA\${SEDuC}1\${SEDuD}
\${SEDeA}C_ALLOCA\${SEDeB}C_ALLOCA\${SEDeC}1\${SEDeD}
"
}


  echo 'checking stack direction for C alloca'
  echo checking whether cross-compiling
# If we cannot run a trivial program, we must be cross compiling.
cat > conftest.c <<EOF
#include "confdefs.h"
main(){exit(0);}
EOF
eval $compile
if test -s conftest && (./conftest; exit) 2>/dev/null; then
  :
else
  cross_compiling=1
fi
rm -fr conftest*

if test -n "$cross_compiling"
then
  
{
test -n "$verbose" && \
echo "	defining" STACK_DIRECTION to be 0
echo "#define" STACK_DIRECTION 0 >> confdefs.h
DEFS="$DEFS -DSTACK_DIRECTION=0"
SEDDEFS="${SEDDEFS}\${SEDdA}STACK_DIRECTION\${SEDdB}STACK_DIRECTION\${SEDdC}0\${SEDdD}
\${SEDuA}STACK_DIRECTION\${SEDuB}STACK_DIRECTION\${SEDuC}0\${SEDuD}
\${SEDeA}STACK_DIRECTION\${SEDeB}STACK_DIRECTION\${SEDeC}0\${SEDeD}
"
}

else
cat > conftest.c <<EOF
#include "confdefs.h"
find_stack_direction ()
{
  static char *addr = 0;
  auto char dummy;
  if (addr == 0)
    {
      addr = &dummy;
      return find_stack_direction ();
    }
  else
    return (&dummy > addr) ? 1 : -1;
}
main ()
{
  exit (find_stack_direction() < 0);
}
EOF
eval $compile
if test -s conftest && (./conftest; exit) 2>/dev/null; then
  
{
test -n "$verbose" && \
echo "	defining" STACK_DIRECTION to be 1
echo "#define" STACK_DIRECTION 1 >> confdefs.h
DEFS="$DEFS -DSTACK_DIRECTION=1"
SEDDEFS="${SEDDEFS}\${SEDdA}STACK_DIRECTION\${SEDdB}STACK_DIRECTION\${SEDdC}1\${SEDdD}
\${SEDuA}STACK_DIRECTION\${SEDuB}STACK_DIRECTION\${SEDuC}1\${SEDuD}
\${SEDeA}STACK_DIRECTION\${SEDeB}STACK_DIRECTION\${SEDeC}1\${SEDeD}
"
}


else
  
{
test -n "$verbose" && \
echo "	defining" STACK_DIRECTION to be -1
echo "#define" STACK_DIRECTION -1 >> confdefs.h
DEFS="$DEFS -DSTACK_DIRECTION=-1"
SEDDEFS="${SEDDEFS}\${SEDdA}STACK_DIRECTION\${SEDdB}STACK_DIRECTION\${SEDdC}-1\${SEDdD}
\${SEDuA}STACK_DIRECTION\${SEDuB}STACK_DIRECTION\${SEDuC}-1\${SEDuD}
\${SEDeA}STACK_DIRECTION\${SEDeB}STACK_DIRECTION\${SEDeC}-1\${SEDeD}
"
}

fi
fi
rm -fr conftest*
fi

for func in fchmod getrusage bzero memset memcpy memmem strcspn crypt _crypt
do
trfunc=HAVE_`echo $func | tr '[a-z]' '[A-Z]'`
echo checking for ${func}
cat > conftest.c <<EOF
#include "confdefs.h"
#include <ctype.h>
int main() { exit(0); }
int t() { 
/* The GNU C library defines this for functions which it implements
    to always fail with ENOSYS.  Some functions are actually named
    something starting with __ and the normal name is an alias.  */
#if defined (__stub_${func}) || defined (__stub___${func})
choke me
#else
/* Override any gcc2 internal prototype to avoid an error.  */
extern char ${func}(); ${func}();
#endif
 }
EOF
if eval $compile; then
  rm -rf conftest*
  {
test -n "$verbose" && \
echo "	defining ${trfunc}"
echo "#define" ${trfunc} 1 >> confdefs.h
DEFS="$DEFS -D${trfunc}=1"
SEDDEFS="${SEDDEFS}\${SEDdA}${trfunc}\${SEDdB}${trfunc}\${SEDdC}1\${SEDdD}
\${SEDuA}${trfunc}\${SEDuB}${trfunc}\${SEDuC}1\${SEDuD}
\${SEDeA}${trfunc}\${SEDeB}${trfunc}\${SEDeC}1\${SEDeD}
"
}


fi
rm -f conftest*
done

for func in strchr strrchr getcwd
do
trfunc=HAVE_`echo $func | tr '[a-z]' '[A-Z]'`
echo checking for ${func}
cat > conftest.c <<EOF
#include "confdefs.h"
#include <ctype.h>
int main() { exit(0); }
int t() { 
/* The GNU C library defines this for functions which it implements
    to always fail with ENOSYS.  Some functions are actually named
    something starting with __ and the normal name is an alias.  */
#if defined (__stub_${func}) || defined (__stub___${func})
choke me
#else
/* Override any gcc2 internal prototype to avoid an error.  */
extern char ${func}(); ${func}();
#endif
 }
EOF
if eval $compile; then
  rm -rf conftest*
  {
test -n "$verbose" && \
echo "	defining ${trfunc}"
echo "#define" ${trfunc} 1 >> confdefs.h
DEFS="$DEFS -D${trfunc}=1"
SEDDEFS="${SEDDEFS}\${SEDdA}${trfunc}\${SEDdB}${trfunc}\${SEDdC}1\${SEDdD}
\${SEDuA}${trfunc}\${SEDuB}${trfunc}\${SEDuC}1\${SEDuD}
\${SEDeA}${trfunc}\${SEDeB}${trfunc}\${SEDeC}1\${SEDeD}
"
}


fi
rm -f conftest*
done

echo checking for "inet_ntoa declaration compatibility with ntohl"
cat > conftest.c <<EOF
#include "confdefs.h"

#include <sys/types.h> /* needed for netinet/in.h */
#include <netinet/in.h>
#include <arpa/inet.h>

int main() { exit(0); }
int t() { 
  char *ipname;
  struct sockaddr_in addr;

  ipname = inet_ntoa(ntohl(addr.sin_addr));
 }
EOF
if eval $compile; then
  rm -rf conftest*
  
{
test -n "$verbose" && \
echo "	defining NTOHL_MATCHES_INET_NTOA"
echo "#define" NTOHL_MATCHES_INET_NTOA 1 >> confdefs.h
DEFS="$DEFS -DNTOHL_MATCHES_INET_NTOA=1"
SEDDEFS="${SEDDEFS}\${SEDdA}NTOHL_MATCHES_INET_NTOA\${SEDdB}NTOHL_MATCHES_INET_NTOA\${SEDdC}1\${SEDdD}
\${SEDuA}NTOHL_MATCHES_INET_NTOA\${SEDuB}NTOHL_MATCHES_INET_NTOA\${SEDuC}1\${SEDuD}
\${SEDeA}NTOHL_MATCHES_INET_NTOA\${SEDeB}NTOHL_MATCHES_INET_NTOA\${SEDeC}1\${SEDeD}
"
}


fi
rm -f conftest*

if test -n "$cross_compiling"
then
  echo checking for "inet_ntoa()"
cat > conftest.c <<EOF
#include "confdefs.h"

#if defined(sun) && !defined(__svr4__)
#include <sys/types.h> /* needed for netinet/in.h */
#include <netinet/in.h>
#include <arpa/inet.h>
char *inet_ntoa(ad)
    struct in_addr ad;
{
    static char addr20;
    return addr;
}
#else
use inet_ntoa() from the library.
#endif

int main() { exit(0); }
int t() {  }
EOF
if eval $compile; then
  rm -rf conftest*
  
{
test -n "$verbose" && \
echo "	defining INET_NTOA_OK"
echo "#define" INET_NTOA_OK 1 >> confdefs.h
DEFS="$DEFS -DINET_NTOA_OK=1"
SEDDEFS="${SEDDEFS}\${SEDdA}INET_NTOA_OK\${SEDdB}INET_NTOA_OK\${SEDdC}1\${SEDdD}
\${SEDuA}INET_NTOA_OK\${SEDuB}INET_NTOA_OK\${SEDuC}1\${SEDuD}
\${SEDeA}INET_NTOA_OK\${SEDeB}INET_NTOA_OK\${SEDeC}1\${SEDeD}
"
}


fi
rm -f conftest*

else
cat > conftest.c <<EOF
#include "confdefs.h"

#include <sys/types.h> /* needed for netinet/in.h */
#include <netinet/in.h>
#include <arpa/inet.h>
main() {
    char addr1[] = "176.88.1.16";
    char addr2[] = "88.176.128.2";
    struct in_addr tmp;

#ifdef SIZEOF_INT == 4
#define ADDR_TYPE unsigned int
#else
#define ADDR_TYPE unsigned long
#endif
    *((ADDR_TYPE *)&tmp) = inet_addr(addr1);
    if (strcmp(addr1, inet_ntoa(tmp)))
        exit(1);
    *((ADDR_TYPE *)&tmp) = inet_addr(addr2);
    if (strcmp(addr2, inet_ntoa(tmp)))
        exit(1);
    exit(0);
}

EOF
eval $compile
if test -s conftest && (./conftest; exit) 2>/dev/null; then
  
{
test -n "$verbose" && \
echo "	defining INET_NTOA_OK"
echo "#define" INET_NTOA_OK 1 >> confdefs.h
DEFS="$DEFS -DINET_NTOA_OK=1"
SEDDEFS="${SEDDEFS}\${SEDdA}INET_NTOA_OK\${SEDdB}INET_NTOA_OK\${SEDdC}1\${SEDdD}
\${SEDuA}INET_NTOA_OK\${SEDuB}INET_NTOA_OK\${SEDuC}1\${SEDuD}
\${SEDeA}INET_NTOA_OK\${SEDeB}INET_NTOA_OK\${SEDeC}1\${SEDeD}
"
}


fi
fi
rm -fr conftest*
if test -n "$cross_compiling"
then
  
{
test -n "$verbose" && \
echo "	defining RENAME_HANDLES_DIRECTORIES"
echo "#define" RENAME_HANDLES_DIRECTORIES 1 >> confdefs.h
DEFS="$DEFS -DRENAME_HANDLES_DIRECTORIES=1"
SEDDEFS="${SEDDEFS}\${SEDdA}RENAME_HANDLES_DIRECTORIES\${SEDdB}RENAME_HANDLES_DIRECTORIES\${SEDdC}1\${SEDdD}
\${SEDuA}RENAME_HANDLES_DIRECTORIES\${SEDuB}RENAME_HANDLES_DIRECTORIES\${SEDuC}1\${SEDuD}
\${SEDeA}RENAME_HANDLES_DIRECTORIES\${SEDeB}RENAME_HANDLES_DIRECTORIES\${SEDeC}1\${SEDeD}
"
}

else
cat > conftest.c <<EOF
#include "confdefs.h"

main() {
    mkdir("conftestdirfrom", 0770);
    exit(rename("conftestdirfrom", "conftestdirto"));
}

EOF
eval $compile
if test -s conftest && (./conftest; exit) 2>/dev/null; then
  
{
test -n "$verbose" && \
echo "	defining RENAME_HANDLES_DIRECTORIES"
echo "#define" RENAME_HANDLES_DIRECTORIES 1 >> confdefs.h
DEFS="$DEFS -DRENAME_HANDLES_DIRECTORIES=1"
SEDDEFS="${SEDDEFS}\${SEDdA}RENAME_HANDLES_DIRECTORIES\${SEDdB}RENAME_HANDLES_DIRECTORIES\${SEDdC}1\${SEDdD}
\${SEDuA}RENAME_HANDLES_DIRECTORIES\${SEDuB}RENAME_HANDLES_DIRECTORIES\${SEDuC}1\${SEDuD}
\${SEDeA}RENAME_HANDLES_DIRECTORIES\${SEDeB}RENAME_HANDLES_DIRECTORIES\${SEDeC}1\${SEDeD}
"
}
 (echo "rename ok")

fi
fi
rm -fr conftest*
case "$DEFS" in
  *HAVE_GETRUSAGE*)
echo checking for "full availability of struct rusage members"
cat > conftest.c <<EOF
#include "confdefs.h"

#include <sys/time.h>
#ifdef HAVE_SYS_RUSAGE_H
#include <sys/rusage.h>
#endif
#include <sys/resource.h>
#ifndef RUSAGE_SELF
#define RUSAGE_SELF     0
#endif

int main() { exit(0); }
int t() { 
    struct rusage rus;
    long *v = (long *)main;
    getrusage(RUSAGE_SELF, &rus);
    *v++ = rus.ru_maxrss;
    *v++ = rus.ru_ixrss;
    *v++ = rus.ru_idrss;
    *v++ = rus.ru_isrss;
    *v++ = rus.ru_minflt;
    *v++ = rus.ru_majflt;
    *v++ = rus.ru_nswap;
    *v++ = rus.ru_inblock;
    *v++ = rus.ru_oublock;
    *v++ = rus.ru_msgsnd;
    *v++ = rus.ru_msgrcv;
    *v++ = rus.ru_nsignals;
    *v++ = rus.ru_nvcsw;
    *v++ = rus.ru_nivcsw;
 }
EOF
if eval $compile; then
  :
else
  rm -rf conftest*
  
{
test -n "$verbose" && \
echo "	defining GETRUSAGE_RESTRICTED"
echo "#define" GETRUSAGE_RESTRICTED 1 >> confdefs.h
DEFS="$DEFS -DGETRUSAGE_RESTRICTED=1"
SEDDEFS="${SEDDEFS}\${SEDdA}GETRUSAGE_RESTRICTED\${SEDdB}GETRUSAGE_RESTRICTED\${SEDdC}1\${SEDdD}
\${SEDuA}GETRUSAGE_RESTRICTED\${SEDuB}GETRUSAGE_RESTRICTED\${SEDuC}1\${SEDuD}
\${SEDeA}GETRUSAGE_RESTRICTED\${SEDeB}GETRUSAGE_RESTRICTED\${SEDeC}1\${SEDeD}
"
}

fi
rm -f conftest*
 ;;
  *)
echo checking for "getrusage() via syscall()"
cat > conftest.c <<EOF
#include "confdefs.h"

#include <sys/syscall.h>
#include <sys/resource.h>
#ifndef RUSAGE_SELF
#define RUSAGE_SELF     0
#endif

int main() { exit(0); }
int t() { 
struct rusage rus;
syscall(SYS_GETRUSAGE, RUSAGE_SELF, rus);
 }
EOF
if eval $compile; then
  rm -rf conftest*
  
{
test -n "$verbose" && \
echo "	defining GETRUSAGE_VIA_SYSCALL"
echo "#define" GETRUSAGE_VIA_SYSCALL 1 >> confdefs.h
DEFS="$DEFS -DGETRUSAGE_VIA_SYSCALL=1"
SEDDEFS="${SEDDEFS}\${SEDdA}GETRUSAGE_VIA_SYSCALL\${SEDdB}GETRUSAGE_VIA_SYSCALL\${SEDdC}1\${SEDdD}
\${SEDuA}GETRUSAGE_VIA_SYSCALL\${SEDuB}GETRUSAGE_VIA_SYSCALL\${SEDuC}1\${SEDuD}
\${SEDeA}GETRUSAGE_VIA_SYSCALL\${SEDeB}GETRUSAGE_VIA_SYSCALL\${SEDeC}1\${SEDeD}
"
}
 
{
test -n "$verbose" && \
echo "	defining HAVE_GETRUSAGE"
echo "#define" HAVE_GETRUSAGE 1 >> confdefs.h
DEFS="$DEFS -DHAVE_GETRUSAGE=1"
SEDDEFS="${SEDDEFS}\${SEDdA}HAVE_GETRUSAGE\${SEDdB}HAVE_GETRUSAGE\${SEDdC}1\${SEDdD}
\${SEDuA}HAVE_GETRUSAGE\${SEDuB}HAVE_GETRUSAGE\${SEDuC}1\${SEDuD}
\${SEDeA}HAVE_GETRUSAGE\${SEDeB}HAVE_GETRUSAGE\${SEDeC}1\${SEDeD}
"
}


fi
rm -f conftest*
 ;;
esac
echo checking for "return type of free"
cat > conftest.c <<EOF
#include "confdefs.h"

#ifdef HAVE_STDLIB_H
#include <stdlib.h>
#endif
#ifdef HAVE_UNISTD_H
#include <unistd.h>
#endif
#if !defined(STDC_HEADERS) && defined(HAVE_MEMORY_H)
#include <memory.h>
#endif
void free();

int main() { exit(0); }
int t() {  }
EOF
if eval $compile; then
  rm -rf conftest*
  
{
test -n "$verbose" && \
echo "	defining FREE_RETURNS_VOID"
echo "#define" FREE_RETURNS_VOID 1 >> confdefs.h
DEFS="$DEFS -DFREE_RETURNS_VOID=1"
SEDDEFS="${SEDDEFS}\${SEDdA}FREE_RETURNS_VOID\${SEDdB}FREE_RETURNS_VOID\${SEDdC}1\${SEDdD}
\${SEDuA}FREE_RETURNS_VOID\${SEDuB}FREE_RETURNS_VOID\${SEDuC}1\${SEDuD}
\${SEDeA}FREE_RETURNS_VOID\${SEDeB}FREE_RETURNS_VOID\${SEDeC}1\${SEDeD}
"
}


fi
rm -f conftest*

echo checking for void* or char* from malloc
cat > conftest.c <<EOF
#include "confdefs.h"

#include <sys/types.h>
#ifdef HAVE_STDLIB_H
#include <stdlib.h>
#endif
#ifdef HAVE_UNISTD_H
#include <unistd.h>
#endif
#if !defined(STDC_HEADERS) && defined(HAVE_MEMORY_H)
#include <memory.h>
#endif
#ifdef __STDC__
#define PROT(x) x
#else
#define PROT(x) ()
#endif
#define POINTER void *
POINTER malloc(size_t);
#ifdef FREE_RETURNS_VOID
void free PROT((POINTER));
#else
int free PROT((POINTER));
#endif

int main() { exit(0); }
int t() {  }
EOF
if eval $compile; then
  rm -rf conftest*
  
{
test -n "$verbose" && \
echo "	defining" POINTER to be void\ *
echo "#define" POINTER void\ * >> confdefs.h
DEFS="$DEFS -DPOINTER=void\ *"
SEDDEFS="${SEDDEFS}\${SEDdA}POINTER\${SEDdB}POINTER\${SEDdC}void *\${SEDdD}
\${SEDuA}POINTER\${SEDuB}POINTER\${SEDuC}void *\${SEDuD}
\${SEDeA}POINTER\${SEDeB}POINTER\${SEDeC}void *\${SEDeD}
"
}


else
  rm -rf conftest*
  
{
test -n "$verbose" && \
echo "	defining" POINTER to be char\ *
echo "#define" POINTER char\ * >> confdefs.h
DEFS="$DEFS -DPOINTER=char\ *"
SEDDEFS="${SEDDEFS}\${SEDdA}POINTER\${SEDdB}POINTER\${SEDdC}char *\${SEDdD}
\${SEDuA}POINTER\${SEDuB}POINTER\${SEDuC}char *\${SEDuD}
\${SEDeA}POINTER\${SEDeB}POINTER\${SEDeC}char *\${SEDeD}
"
}

fi
rm -f conftest*

cat > conftest.c <<EOF
#include "confdefs.h"

#ifdef HAVE_STDLIB_H
#include <stdlib.h>
#endif
#ifdef HAVE_UNISTD_H
#include <unistd.h>
#endif
int main() {
    if (strtol("0x1:", (char **)0, 10) > 1) exit(1);
    exit(0);
}

EOF
eval $compile
if test -s conftest && (./conftest; exit) 2>/dev/null; then
  :
else
  
{
test -n "$verbose" && \
echo "	defining STRTOL_BROKEN"
echo "#define" STRTOL_BROKEN 1 >> confdefs.h
DEFS="$DEFS -DSTRTOL_BROKEN=1"
SEDDEFS="${SEDDEFS}\${SEDdA}STRTOL_BROKEN\${SEDdB}STRTOL_BROKEN\${SEDdC}1\${SEDdD}
\${SEDuA}STRTOL_BROKEN\${SEDuB}STRTOL_BROKEN\${SEDuC}1\${SEDuD}
\${SEDeA}STRTOL_BROKEN\${SEDeB}STRTOL_BROKEN\${SEDeC}1\${SEDeD}
"
}

fi
rm -fr conftest*
if test -n "$cross_compiling"
then
  echo "You have to supply the correct way to set sockets non-blocking by hand."
else
cat > conftest.c <<EOF
#include "confdefs.h"

#include <sys/types.h> /* needed for netinet/in.h */
#include <sys/socket.h>
#include <netinet/in.h>
#include <netdb.h>
#include <errno.h>
#include <sys/ioctl.h>
main() {
    int port, tmp, s;
    struct sockaddr_in my_sin;
    struct hostent *hp;
    char *host_name;

    host_name = malloc(100);
    if (gethostname(host_name, 100) == -1) exit(1);
    hp = gethostbyname(host_name);
    if (hp == 0) exit(1);
    memset((char *)&my_sin, '\0', sizeof my_sin);
    memcpy((char *)&my_sin.sin_addr, hp->h_addr, hp->h_length);
    my_sin.sin_family = hp->h_addrtype;
    my_sin.sin_addr.s_addr = INADDR_ANY;
    alarm(10);
    for (port = 2000; port < 10000; port++) {
        my_sin.sin_port = htons((u_short)port);
        s = socket(hp->h_addrtype, SOCK_STREAM, 0);
        if (s == -1) exit(1);
        tmp = 1;
        if (setsockopt (s, SOL_SOCKET, SO_REUSEADDR,
                        (char *) &tmp, sizeof (tmp)) < 0)
            exit (1);
        if (bind(s, (struct sockaddr *)&my_sin, sizeof my_sin) == -1) {
            if (errno == EADDRINUSE) {
                close(s);
		continue;
            } 
            exit(1);
        }
	if (listen(s, 5) == -1) exit(1);
	tmp = 1;
	if (ioctl(s, FIONBIO, &tmp) == -1) exit(1);
        tmp = sizeof my_sin;
        s = accept(s, (struct sockaddr *)&my_sin, &tmp);
	if (s == -1) {
	    if (errno == EWOULDBLOCK) exit(0);
	    if (errno == EAGAIN) exit(0);
	    if (errno == EINTR) { close(s); continue; }
	}
	break;
    }
    exit(1);
}

EOF
eval $compile
if test -s conftest && (./conftest; exit) 2>/dev/null; then
  
{
test -n "$verbose" && \
echo "	defining USE_IOCTL_FIONBIO"
echo "#define" USE_IOCTL_FIONBIO 1 >> confdefs.h
DEFS="$DEFS -DUSE_IOCTL_FIONBIO=1"
SEDDEFS="${SEDDEFS}\${SEDdA}USE_IOCTL_FIONBIO\${SEDdB}USE_IOCTL_FIONBIO\${SEDdC}1\${SEDdD}
\${SEDuA}USE_IOCTL_FIONBIO\${SEDuB}USE_IOCTL_FIONBIO\${SEDuC}1\${SEDuD}
\${SEDeA}USE_IOCTL_FIONBIO\${SEDeB}USE_IOCTL_FIONBIO\${SEDeC}1\${SEDeD}
"
}


fi
fi
rm -fr conftest*
cat > conftest.c <<EOF
#include "confdefs.h"

#include <sys/types.h> /* needed for netinet/in.h */
#include <sys/socket.h>
#include <netinet/in.h>
#include <netdb.h>
#include <errno.h>
#include <fcntl.h>
main() {
    int port, tmp, s;
    struct sockaddr_in my_sin;
    struct hostent *hp;
    char *host_name;

    host_name = malloc(100);
    if (gethostname(host_name, 100) == -1) exit(1);
    hp = gethostbyname(host_name);
    if (hp == 0) exit(1);
    memset((char *)&my_sin, '\0', sizeof my_sin);
    memcpy((char *)&my_sin.sin_addr, hp->h_addr, hp->h_length);
    my_sin.sin_family = hp->h_addrtype;
    my_sin.sin_addr.s_addr = INADDR_ANY;
    for (port = 2000; port < 10000; port++) {
        my_sin.sin_port = htons((u_short)port);
        s = socket(hp->h_addrtype, SOCK_STREAM, 0);
        if (s == -1) exit(1);
        tmp = 1;
        if (setsockopt (s, SOL_SOCKET, SO_REUSEADDR,
                        (char *) &tmp, sizeof (tmp)) < 0)
            exit (1);
        if (bind(s, (struct sockaddr *)&my_sin, sizeof my_sin) == -1) {
            if (errno == EADDRINUSE) {
                close(s);
		continue;
            } 
            exit(1);
        }
	if (listen(s, 5) == -1) exit(1);
	if (fcntl(s, F_SETFL, O_NDELAY) == -1) exit(1);
        tmp = sizeof my_sin;
        s = accept(s, (struct sockaddr *)&my_sin, &tmp);
	if (s == -1) {
	    if (errno == EWOULDBLOCK) exit(0);
	    if (errno == EAGAIN) exit(0);
	    if (errno == EINTR) { close(s); continue; }
	}
	break;
    }
    exit(1);
}

EOF
eval $compile
if test -s conftest && (./conftest; exit) 2>/dev/null; then
  
{
test -n "$verbose" && \
echo "	defining USE_FCNTL_O_NDELAY"
echo "#define" USE_FCNTL_O_NDELAY 1 >> confdefs.h
DEFS="$DEFS -DUSE_FCNTL_O_NDELAY=1"
SEDDEFS="${SEDDEFS}\${SEDdA}USE_FCNTL_O_NDELAY\${SEDdB}USE_FCNTL_O_NDELAY\${SEDdC}1\${SEDdD}
\${SEDuA}USE_FCNTL_O_NDELAY\${SEDuB}USE_FCNTL_O_NDELAY\${SEDuC}1\${SEDuD}
\${SEDeA}USE_FCNTL_O_NDELAY\${SEDeB}USE_FCNTL_O_NDELAY\${SEDeC}1\${SEDeD}
"
}


fi
rm -fr conftest*
cat > conftest.c <<EOF
#include "confdefs.h"

#include <sys/types.h> /* needed for netinet/in.h */
#include <sys/socket.h>
#include <netinet/in.h>
#include <netdb.h>
#include <errno.h>
#include <fcntl.h>
main() {
    int port, tmp, s;
    struct sockaddr_in my_sin;
    struct hostent *hp;
    char *host_name;

    host_name = malloc(100);
    if (gethostname(host_name, 100) == -1) exit(1);
    hp = gethostbyname(host_name);
    if (hp == 0) exit(1);
    memset((char *)&my_sin, '\0', sizeof my_sin);
    memcpy((char *)&my_sin.sin_addr, hp->h_addr, hp->h_length);
    my_sin.sin_family = hp->h_addrtype;
    my_sin.sin_addr.s_addr = INADDR_ANY;
    for (port = 2000; port < 10000; port++) {
        my_sin.sin_port = htons((u_short)port);
        s = socket(hp->h_addrtype, SOCK_STREAM, 0);
        if (s == -1) exit(1);
        tmp = 1;
        if (setsockopt (s, SOL_SOCKET, SO_REUSEADDR,
                        (char *) &tmp, sizeof (tmp)) < 0)
            exit (1);
        if (bind(s, (struct sockaddr *)&my_sin, sizeof my_sin) == -1) {
            if (errno == EADDRINUSE) {
                close(s);
		continue;
            } 
            exit(1);
        }
	if (listen(s, 5) == -1) exit(1);
	if (fcntl(s, F_SETFL, FNDELAY) == -1) exit(1);
        tmp = sizeof my_sin;
        s = accept(s, (struct sockaddr *)&my_sin, &tmp);
	if (s == -1) {
	    if (errno == EWOULDBLOCK) exit(0);
	    if (errno == EAGAIN) exit(0);
	    if (errno == EINTR) { close(s); continue; }
	}
	break;
    }
    exit(1);
}

EOF
eval $compile
if test -s conftest && (./conftest; exit) 2>/dev/null; then
  
{
test -n "$verbose" && \
echo "	defining USE_FCNTL_FNDELAY"
echo "#define" USE_FCNTL_FNDELAY 1 >> confdefs.h
DEFS="$DEFS -DUSE_FCNTL_FNDELAY=1"
SEDDEFS="${SEDDEFS}\${SEDdA}USE_FCNTL_FNDELAY\${SEDdB}USE_FCNTL_FNDELAY\${SEDdC}1\${SEDdD}
\${SEDuA}USE_FCNTL_FNDELAY\${SEDuB}USE_FCNTL_FNDELAY\${SEDuC}1\${SEDuD}
\${SEDeA}USE_FCNTL_FNDELAY\${SEDeB}USE_FCNTL_FNDELAY\${SEDeC}1\${SEDeD}
"
}


fi
rm -fr conftest*
echo checking for random
cat > conftest.c <<EOF
#include "confdefs.h"
long random();
int main() { exit(0); }
int t() { return random() % 7;
 }
EOF
if eval $compile; then
  rm -rf conftest*
  
{
test -n "$verbose" && \
echo "	defining" RAND to be RANDOM
echo "#define" RAND RANDOM >> confdefs.h
DEFS="$DEFS -DRAND=RANDOM"
SEDDEFS="${SEDDEFS}\${SEDdA}RAND\${SEDdB}RAND\${SEDdC}RANDOM\${SEDdD}
\${SEDuA}RAND\${SEDuB}RAND\${SEDuC}RANDOM\${SEDuD}
\${SEDeA}RAND\${SEDeB}RAND\${SEDeC}RANDOM\${SEDeD}
"
}


else
  rm -rf conftest*
  echo checking for rand
cat > conftest.c <<EOF
#include "confdefs.h"

int main() { exit(0); }
int t() { return rand() % 7;
 }
EOF
if eval $compile; then
  rm -rf conftest*
  
{
test -n "$verbose" && \
echo "	defining" RAND to be RAND
echo "#define" RAND RAND >> confdefs.h
DEFS="$DEFS -DRAND=RAND"
SEDDEFS="${SEDDEFS}\${SEDdA}RAND\${SEDdB}RAND\${SEDdC}RAND\${SEDdD}
\${SEDuA}RAND\${SEDuB}RAND\${SEDuC}RAND\${SEDuD}
\${SEDeA}RAND\${SEDeB}RAND\${SEDeC}RAND\${SEDeD}
"
}


else
  rm -rf conftest*
  echo checking for drand48
cat > conftest.c <<EOF
#include "confdefs.h"
double drand48();
int main() { exit(0); }
int t() { return (int)(drand48() * 7); }
EOF
if eval $compile; then
  rm -rf conftest*
  
{
test -n "$verbose" && \
echo "	defining" RAND to be DRAND48
echo "#define" RAND DRAND48 >> confdefs.h
DEFS="$DEFS -DRAND=DRAND48"
SEDDEFS="${SEDDEFS}\${SEDdA}RAND\${SEDdB}RAND\${SEDdC}DRAND48\${SEDdD}
\${SEDuA}RAND\${SEDuB}RAND\${SEDuC}DRAND48\${SEDuD}
\${SEDeA}RAND\${SEDeB}RAND\${SEDeC}DRAND48\${SEDeD}
"
}


fi
rm -f conftest*

fi
rm -f conftest*

fi
rm -f conftest*

tcomp='${CC-cc} ${CFLAGS} ${TESTFLAG} -c conftest.c >/dev/null 2>&1'
cat > conftest.c <<EOF
#include <stdio.h>
double d = 4.5;
main() { printf("hello world\n"); }
EOF
for TESTFLAG in -O4 -xO2 -O2 -O; do 
  if eval $tcomp; then
    CFLAGS=$TESTFLAG
    break
  fi
done
for TESTFLAG in -g -fstrength-reduce; do
  if eval $tcomp; then
    CFLAGS="$CFLAGS $TESTFLAG"
  fi
done
MCFLAGS=$CFLAGS
TESTFLAG="-fomit-frame-pointer"
if eval $tcomp; then
  CFLAGS="$CFLAGS $TESTFLAG"
fi
OCFLAGS=$CFLAGS
if ${CC-cc} -g -c conftest.c ; then
  DCFLAGS='-g'
else
  DCFLAGS=''
fi
OPTIMIZE_LINKING=''
if ${CC-cc} $OFLAGS -o conftest conftest.c ; then
  OPTIMIZE_LINKING='$(OPTIMIZE)'
fi
rm -f conftest.c
case "$DEFS" in
  *HAVE_LIBSOCKET*)
cat > conftest.c <<EOF
#include "confdefs.h"

#if defined(sun)
yes
#endif

EOF
eval "$CPP conftest.c > conftest.out 2>&1"
if egrep "yes" conftest.out >/dev/null 2>&1; then
  rm -rf conftest*
   EXTRA_CFLAGS='-Dsolaris' 

fi
rm -f conftest*
 ;;
esac
# check whether --with-target was given
withval="$with_target"
if test -n "$withval"; then
  EXTRA_CFLAGS="-D${withval}"
fi

echo "checking if ${YACC} includes bogus malloc prototypes"
cat > conftest.y <<EOF
%{
#include "confdefs.h"
#ifdef HAVE_UNISTD_H
#include <unistd.h>
#endif
#if !defined(STDC_HEADERS) && defined(HAVE_MEMORY_H)
#include <memory.h>
#endif
#ifdef HAVE_STDLIB_H
#include <stdlib.h>
#endif
%}
%%
all: 'a';
%%
int main(){ return 0; }
void yyerror(){}
int yylex(){ return 0; }
EOF
${YACC} conftest.y
mv y.tab.c conftest.c
if eval $compile; then
  MOVE_YACC_TAB='$(MV) $(YACCTAB)c'
  CLEAN_YACC_TAB=''
else
  MOVE_YACC_TAB='tail +2 $(YACCTAB)c >>'
  CLEAN_YACC_TAB='$(RM) $(YACCTAB)c'
fi
rm -f conftest*
SAVE_LIBS="${LIBS}"
SAVE_CFLAGS="${CFLAGS}"
CFLAGS=''
for TESTFLAG in '' -static -Bstatic -n; do
echo "checking malloc redefinition with linking flag ${TESTFLAG}"
LIBS="${SAVE_LIBS} ${TESTFLAG}"
cat > conftest.c <<EOF
#include "confdefs.h"

#include <sys/types.h>
#include <stdio.h>
#ifdef HAVE_UNISTD_H
#include <unistd.h>
#endif
#ifdef HAVE_STDLIB_H
#include <stdlib.h>
#endif
#ifdef HAVE_STRING_H
#include <string.h>
#else
#include <strings.h>
#endif
#if !defined(STDC_HEADERS) && defined(HAVE_MEMORY_H)
#include <memory.h>
#endif
#undef malloc
#undef calloc
int my_malloc_used;
int main() {
    int i;
    FILE *f;

    alarm(10); /* a crash can be an infinite loop... */
    for (i = 0; i < 100; i++) {
	my_malloc_used = 0;
	/* strdup seems to be partially unavailable */
	f = fopen("confdefs.h", "r");
	fclose(f);
	if (!my_malloc_used) exit(1);
    }
    /* linking in printf called with variable format makes shared libs
     * worthwhile. Moreover, calling it is a good test
     */
    printf(f?"Redefinition of malloc() %f%% successful\n":(char*)f, 100.);
    exit(0);
}
POINTER malloc(size)
    size_t size;
{
    char *q;
    my_malloc_used = 1;
    q = sbrk(sizeof size + size+7 & ~7);
    *(size_t *)q = size;
    return q + sizeof size;
}
POINTER calloc(size, num)
    size_t size, num;
{
    char *q;
    q = malloc(size*num);
    memset(q, 0, size);
}
POINTER realloc(p, size)
    POINTER p;
    size_t size;
{
    char *q;
    if (*(size_t *)p >= size)
        return p;
    q = malloc(size);
#ifdef HAVE_MEMCPY
    memcpy(q, p, size);
#else
    bcopy(p, q, size);
#endif
    *(size_t *)q = size;
    return q + sizeof size;
}
#ifdef FREE_RETURNS_VOID
void free(p)
    POINTER p;
{}
#else
int free(p)
    POINTER p;
{ return 1; }
#endif

EOF
eval $compile
if test -s conftest && (./conftest; exit) 2>/dev/null; then
  SBRK_OK=1

fi
rm -fr conftest*
if test -n "${SBRK_OK}"; then
  if test -z "${TESTFLAG}" ; then
    
{
test -n "$verbose" && \
echo "	defining SBRK_OK"
echo "#define" SBRK_OK 1 >> confdefs.h
DEFS="$DEFS -DSBRK_OK=1"
SEDDEFS="${SEDDEFS}\${SEDdA}SBRK_OK\${SEDdB}SBRK_OK\${SEDdC}1\${SEDdD}
\${SEDuA}SBRK_OK\${SEDuB}SBRK_OK\${SEDuC}1\${SEDuD}
\${SEDeA}SBRK_OK\${SEDeB}SBRK_OK\${SEDeC}1\${SEDeD}
"
}

  else
    LDFLAGS="${LDFLAGS} ${TESTFLAG}"
    EXTRA_CFLAGS="${EXTRA_CFLAGS} -DSBRK_OK"
  fi
  break
fi
done
LIBS="${SAVE_LIBS}"
CFLAGS="${SAVE_CFLAGS}"
case "$EXTRA_CFLAGS" in
 *-Dsolaris*)
  case "$DEFS" in
    *HAVE_LIBUCB*)
      LIBS="${LDFLAGS} -lm -lgcc -lc -lnsl -lgcc -lc -ldl_stubs\
        -lnswnis -lnswnisplus -lnswfiles -lnswcompat -lstraddr -lswitch\
        -ltcpip -lsocket -lnsl -lgcc -lc /usr/ucblib/libucb.a"
      LDFLAGS= "-u dgettext -lintl" ;;
  esac
esac
echo "checking malloc overhead"
cat > conftest.c <<EOF
#include "confdefs.h"
#include "util/overhead.c"
EOF
${CC-cc} -o conftest conftest.c

{
test -n "$verbose" && \
echo "	defining" EXTERN_MALLOC_OVERHEAD to be `./conftest --terse`
echo "#define" EXTERN_MALLOC_OVERHEAD `./conftest --terse` >> confdefs.h
DEFS="$DEFS -DEXTERN_MALLOC_OVERHEAD=`./conftest --terse`"
SEDDEFS="${SEDDEFS}\${SEDdA}EXTERN_MALLOC_OVERHEAD\${SEDdB}EXTERN_MALLOC_OVERHEAD\${SEDdC}`./conftest --terse`\${SEDdD}
\${SEDuA}EXTERN_MALLOC_OVERHEAD\${SEDuB}EXTERN_MALLOC_OVERHEAD\${SEDuC}`./conftest --terse`\${SEDuD}
\${SEDeA}EXTERN_MALLOC_OVERHEAD\${SEDeB}EXTERN_MALLOC_OVERHEAD\${SEDeC}`./conftest --terse`\${SEDeD}
"
}

rm -f conftest*








# Set default prefixes.
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
# Quote sed substitution magic chars in DEFS.
cat >conftest.def <<EOF
$DEFS
EOF
escape_ampersand_and_backslash='s%[&\\]%\\&%g'
DEFS=`sed "$escape_ampersand_and_backslash" <conftest.def`
rm -f conftest.def

rm -f conftest a.out

# Substitute for predefined variables.

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)
    echo running \${CONFIG_SHELL-/bin/sh} $0 $configure_args
    exec \${CONFIG_SHELL-/bin/sh} $0 $configure_args ;;
    *) echo "Usage: config.status --recheck" 2>&1; exit 1 ;;
  esac
done

trap 'rm -fr Makefile machine.h conftest*; exit 1' 1 3 15
CC='$CC'
INSTALL='$INSTALL'
INSTALL_PROGRAM='$INSTALL_PROGRAM'
INSTALL_DATA='$INSTALL_DATA'
YACC='$YACC'
CPP='$CPP'
ALLOCA='$ALLOCA'
OCFLAGS='$OCFLAGS'
MCFLAGS='$MCFLAGS'
DCFLAGS='$DCFLAGS'
LDFLAGS='$LDFLAGS'
EXTRA_CFLAGS='$EXTRA_CFLAGS'
OPTIMIZE_LINKING='$OPTIMIZE_LINKING'
MOVE_YACC_TAB='$MOVE_YACC_TAB'
CLEAN_YACC_TAB='$CLEAN_YACC_TAB'
LIBS='$LIBS'
srcdir='$srcdir'
prefix='$prefix'
exec_prefix='$exec_prefix'
prsub='$prsub'
extrasub='$extrasub'
EOF
cat >> config.status <<\EOF

top_srcdir=$srcdir

CONFIG_FILES=${CONFIG_FILES-"Makefile"}
for file in .. ${CONFIG_FILES}; do if test "x$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
$extrasub
s%@CC@%$CC%g
s%@INSTALL@%$INSTALL%g
s%@INSTALL_PROGRAM@%$INSTALL_PROGRAM%g
s%@INSTALL_DATA@%$INSTALL_DATA%g
s%@YACC@%$YACC%g
s%@CPP@%$CPP%g
s%@ALLOCA@%$ALLOCA%g
s%@OCFLAGS@%$OCFLAGS%g
s%@MCFLAGS@%$MCFLAGS%g
s%@DCFLAGS@%$DCFLAGS%g
s%@LDFLAGS@%$LDFLAGS%g
s%@EXTRA_CFLAGS@%$EXTRA_CFLAGS%g
s%@OPTIMIZE_LINKING@%$OPTIMIZE_LINKING%g
s%@MOVE_YACC_TAB@%$MOVE_YACC_TAB%g
s%@CLEAN_YACC_TAB@%$CLEAN_YACC_TAB%g
s%@LIBS@%$LIBS%g
s%@srcdir@%$srcdir%g
s%@DEFS@%-DHAVE_CONFIG_H%" $top_srcdir/${file}.in >> $file
fi; done

CONFIG_HEADERS=${CONFIG_HEADERS-"machine.h"}
for file in .. ${CONFIG_HEADERS}; do if test "x$file" != x..; then
echo creating $file

# 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

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

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

while :
do
  # wc gives bogus results for an empty file on some systems.
  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
# machine.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 $top_srcdir/$file.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 "/* $file.  Generated automatically by configure.  */" > conftest.h
cat conftest.h1 >> conftest.h
rm -f conftest.h1
if cmp -s $file conftest.h 2>/dev/null; then
  # The file exists and we would not be changing it.
  echo "$file is unchanged"
  rm -f conftest.h
else
  rm -f $file
  mv conftest.h $file
fi
fi; done



exit 0
EOF
chmod +x config.status
${CONFIG_SHELL-/bin/sh} config.status