freebsd-src/gnu/usr.bin/groff/configure

#!/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=groff/groff.cc

# 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 "$prefix"
then
  echo checking for grops to derive installation directory prefix
  IFS="${IFS= 	}"; saveifs="$IFS"; IFS="$IFS:"
  for dir in $PATH; do
    test -z "$dir" && dir=.
    if test $dir != . && test -f $dir/grops; then
      # Not all systems have dirname.
      prefix=`echo $dir|sed 's%/[^/][^/]*$%%'`
      break
    fi
  done
  IFS="$saveifs"
  echo "	chose installation directory prefix ${prefix}"
fi
if test -z "$prefix"
then
  echo checking for gcc to derive installation directory prefix
  IFS="${IFS= 	}"; saveifs="$IFS"; IFS="$IFS:"
  for dir in $PATH; do
    test -z "$dir" && dir=.
    if test $dir != . && test -f $dir/gcc; then
      # Not all systems have dirname.
      prefix=`echo $dir|sed 's%/[^/][^/]*$%%'`
      break
    fi
  done
  IFS="$saveifs"
  echo "	chose installation directory prefix ${prefix}"
fi

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*

cc_compile='$CCC conftest.cc -o conftest $CCLIBS $LIBS >/dev/null 2>&1'

if test -z "$CCC"; then
# See whether the C compiler is also a C++ compiler.
echo checking if C compiler is also a C++ compiler
cat <<EOF > conftest.cc
#ifdef __cplusplus
  yes
#endif
EOF
$CC -E conftest.cc >conftest.out 2>&1
if egrep yes conftest.out >/dev/null 2>&1; then
  CCC="$CC"
fi
fi
if test -z "$CCC"; then
  # Extract the first word of `g++', so it can be a program name with args.
  set dummy g++; 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
      CCC="g++"
      break
    fi
  done
  IFS="$saveifs"
fi

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

if test -z "$CCC"; then
  # Extract the first word of `CC', so it can be a program name with args.
  set dummy CC; 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
      CCC="CC"
      break
    fi
  done
  IFS="$saveifs"
fi

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

if test -z "$CCC"; then
  # Extract the first word of `cc++', so it can be a program name with args.
  set dummy cc++; 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
      CCC="cc++"
      break
    fi
  done
  IFS="$saveifs"
fi

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

if test -z "$CCC"; then
cat <<EOM
This package requires a C++ compiler, but I couldn't find one.
Set the environment variable CCC to the name of your C++ compiler.
EOM
rm -f conftest* core; exit 1
fi
echo checking that C++ compiler can compile very simple C++ program
cat <<EOF > conftest.cc

int main() { return 0; }

EOF
rm -f conftest
eval $cc_compile
if test -s conftest && (./conftest) 2>/dev/null; then
  :
else
  cat <<EOM
$CCC was unable successfully to compile a very simple C++ program
(the C++ program was in a file with a suffix of .cc)
EOM
rm -f conftest* core; exit 1

fi
rm -f conftest*
echo checking that C++ static constructors and destructors are called
cat <<EOF > conftest.cc

extern "C" {
  void _exit(int);
}
int i;
struct A {
  char dummy;
  A() { i = 1; }
  ~A() { if (i == 1) _exit(0); }
};
A a;
int main() { return 1; }

EOF
rm -f conftest
eval $cc_compile
if test -s conftest && (./conftest) 2>/dev/null; then
  :
else
  cat <<EOM
$CCC is not installed correctly: static constructors and destructors do not work
EOM
rm -f conftest* core; exit 1

fi
rm -f conftest*
echo checking for C++ header files
cat <<EOF >conftest.cc
#include <stdio.h>
int main() { return 0; } void t() { fopen(0, 0); }
EOF
if eval $cc_compile; then
  :
else
  cat <<\EOF
Your header files do not appear to support C++.
I was unable to compile and link a simple C++ program that used a function
declared in <stdio.h>.
If you're using a version of gcc/g++ earlier than 2.5,
you should install libg++.
EOF
rm -f conftest* core; exit 1
fi
rm -f conftest*
if test -z "$PSPRINT"
then
	for p in lpr
do
if test -z "$LPR"; then
  # Extract the first word of `$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
      LPR="$p"
      break
    fi
  done
  IFS="$saveifs"
fi

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

test -n "$LPR" && break
done

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

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

test -n "$LP" && break
done

	if test -n "$LPR" && test -n "$LP"
	then
		# HP-UX provides an lpr command that emulates lpr using lp,
		# but it doesn't have lpq; in this case we want to use lp
		# rather than lpr.
		for p in lpq
do
if test -z "$LPQ"; then
  # Extract the first word of `$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
      LPQ="$p"
      break
    fi
  done
  IFS="$saveifs"
fi

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

test -n "$LPQ" && break
done

		test -n "$LPQ" || LPR=
	fi
	if test -n "$LPR"
	then
		PSPRINT="$LPR"
	elif test -n "$LP"
	then
		PSPRINT="$LP"
	fi
fi

# Figure out DVIPRINT from PSPRINT.
if test -n "$PSPRINT" && test -z "$DVIPRINT"
then
	if test "X$PSPRINT" = "Xlpr"
	then
		DVIPRINT="lpr -d"
	else
		DVIPRINT="$PSPRINT"
	fi
fi

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

if test -z "$YACC"; then
  # Extract the first word of `byacc', so it can be a program name with args.
  set dummy byacc; 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="byacc"
      break
    fi
  done
  IFS="$saveifs"
fi

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

if test -z "$YACC"; then
  # Extract the first word of `bison', so it can be a program name with args.
  set dummy bison; 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="bison -y"
      break
    fi
  done
  IFS="$saveifs"
fi
test -z "$YACC" && YACC="yacc"
test -n "$YACC" && test -n "$verbose" && echo "	setting YACC to $YACC"


if test -z "$RANLIB"; then
  # Extract the first word of `ranlib', so it can be a program name with args.
  set dummy ranlib; 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
      RANLIB="ranlib"
      break
    fi
  done
  IFS="$saveifs"
fi
test -z "$RANLIB" && RANLIB=":"
test -n "$RANLIB" && test -n "$verbose" && echo "	setting RANLIB to $RANLIB"

# 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"

echo checking for ln -s
rm -f conftestdata
if ln -s X conftestdata 2>/dev/null
then
  rm -f conftestdata
  LN_S="ln -s"
else
  LN_S=ln
fi


echo checking for etags C++ option
for flag in p C
do
	test -z "$ETAGSCCFLAG" || break
	>conftest.c
	(etags -$flag -o /dev/null conftest.c >/dev/null 2>&1) 2>/dev/null &&
		ETAGSCCFLAG="-$flag"
	rm -f conftest.c
done

echo 'checking for csh # hack'
cat <<EOF >conftest.sh
#!/bin/sh
true || exit 0
export PATH || exit 0
exit 1
EOF
chmod +x conftest.sh
if echo ./conftest.sh | (csh >/dev/null 2>&1) >/dev/null 2>&1
then
	:; SH_SCRIPT_SED_CMD='1s/.*/:/'
else
	:; SH_SCRIPT_SED_CMD=''
fi
rm -f conftest.sh


for hdr in unistd.h dirent.h limits.h sys/dir.h stdlib.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"
}


fi
rm -f conftest*
done

echo 'checking for ISC 3.x or 4.x'
if grep '[34]\.' /usr/options/cb.name >/dev/null 2>&1
then
	
{
test -n "$verbose" && \
echo "	defining _SYSV3"
echo "#define" _SYSV3 1 >> confdefs.h
DEFS="$DEFS -D_SYSV3=1"
}

fi
echo checking for whether -D_POSIX_SOURCE is necessary
cat <<EOF >conftest.cc
#include <stdio.h>
int main() { return 0; } void t() { (void)fileno(stdin); }
EOF
if eval $cc_compile; then
  :
else
  
{
test -n "$verbose" && \
echo "	defining _POSIX_SOURCE"
echo "#define" _POSIX_SOURCE 1 >> confdefs.h
DEFS="$DEFS -D_POSIX_SOURCE=1"
}

fi
rm -f conftest*
echo checking for 'C++ <limits.h>'
cat <<EOF >conftest.cc
#include <limits.h>
int main() { return 0; } void t() { int x = INT_MIN; int y = INT_MAX; int z = UCHAR_MAX; }
EOF
if eval $cc_compile; then
  
{
test -n "$verbose" && \
echo "	defining HAVE_CC_LIMITS_H"
echo "#define" HAVE_CC_LIMITS_H 1 >> confdefs.h
DEFS="$DEFS -DHAVE_CC_LIMITS_H=1"
}

fi
rm -f conftest*
echo checking for 'C++ <osfcn.h>'
cat <<EOF >conftest.cc
#include <osfcn.h>
int main() { return 0; } void t() { read(0, 0, 0); open(0, 0); }
EOF
if eval $cc_compile; then
  
{
test -n "$verbose" && \
echo "	defining HAVE_CC_OSFCN_H"
echo "#define" HAVE_CC_OSFCN_H 1 >> confdefs.h
DEFS="$DEFS -DHAVE_CC_OSFCN_H=1"
}

fi
rm -f conftest*
echo checking for declaration of getopt in stdlib.h
cat <<EOF >conftest.cc
#include <stdlib.h>
extern "C" { void getopt(int); }
int main() { return 0; } void t() {  }
EOF
if eval $cc_compile; then
  :
else
  
{
test -n "$verbose" && \
echo "	defining STDLIB_H_DECLARES_GETOPT"
echo "#define" STDLIB_H_DECLARES_GETOPT 1 >> confdefs.h
DEFS="$DEFS -DSTDLIB_H_DECLARES_GETOPT=1"
}

fi
rm -f conftest*
echo checking for declaration of getopt in unistd.h
cat <<EOF >conftest.cc
#include <sys/types.h>
#include <unistd.h>
extern "C" { void getopt(int); }
int main() { return 0; } void t() {  }
EOF
if eval $cc_compile; then
  :
else
  
{
test -n "$verbose" && \
echo "	defining UNISTD_H_DECLARES_GETOPT"
echo "#define" UNISTD_H_DECLARES_GETOPT 1 >> confdefs.h
DEFS="$DEFS -DUNISTD_H_DECLARES_GETOPT=1"
}

fi
rm -f conftest*

echo checking for declaration of putenv
cat <<EOF >conftest.cc
#include <stdlib.h>
extern "C" { void putenv(int); }
int main() { return 0; } void t() {  }
EOF
if eval $cc_compile; then
  :
else
  
{
test -n "$verbose" && \
echo "	defining STDLIB_H_DECLARES_PUTENV"
echo "#define" STDLIB_H_DECLARES_PUTENV 1 >> confdefs.h
DEFS="$DEFS -DSTDLIB_H_DECLARES_PUTENV=1"
}

fi
rm -f conftest*
echo checking for declaration of popen
cat <<EOF >conftest.cc
#include <stdio.h>
extern "C" { void popen(int); }
int main() { return 0; } void t() {  }
EOF
if eval $cc_compile; then
  :
else
  
{
test -n "$verbose" && \
echo "	defining STDIO_H_DECLARES_POPEN"
echo "#define" STDIO_H_DECLARES_POPEN 1 >> confdefs.h
DEFS="$DEFS -DSTDIO_H_DECLARES_POPEN=1"
}

fi
rm -f conftest*
echo checking for declaration of pclose
cat <<EOF >conftest.cc
#include <stdio.h>
extern "C" { void pclose(int); }
int main() { return 0; } void t() {  }
EOF
if eval $cc_compile; then
  :
else
  
{
test -n "$verbose" && \
echo "	defining STDIO_H_DECLARES_PCLOSE"
echo "#define" STDIO_H_DECLARES_PCLOSE 1 >> confdefs.h
DEFS="$DEFS -DSTDIO_H_DECLARES_PCLOSE=1"
}

fi
rm -f conftest*
echo checking for time_t
cat <<EOF >conftest.cc
#include <time.h>
int main() { return 0; } void t() { time_t t = time(0); struct tm *p = localtime(&t); }
EOF
if eval $cc_compile; then
  :
else
  
{
test -n "$verbose" && \
echo "	defining LONG_FOR_TIME_T"
echo "#define" LONG_FOR_TIME_T 1 >> confdefs.h
DEFS="$DEFS -DLONG_FOR_TIME_T=1"
}

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"
}


else
  rm -rf conftest*
  
{
test -n "$verbose" && \
echo "	defining" RETSIGTYPE to be int
echo "#define" RETSIGTYPE int >> confdefs.h
DEFS="$DEFS -DRETSIGTYPE=int"
}

fi
rm -f conftest*


echo checking for struct exception
cat > conftest.c <<EOF
#include "confdefs.h"
#include <math.h>
int main() { exit(0); }
int t() { struct exception e; }
EOF
if eval $compile; then
  rm -rf conftest*
  
{
test -n "$verbose" && \
echo "	defining HAVE_STRUCT_EXCEPTION"
echo "#define" HAVE_STRUCT_EXCEPTION 1 >> confdefs.h
DEFS="$DEFS -DHAVE_STRUCT_EXCEPTION=1"
}


fi
rm -f conftest*

echo checking for mmap
cat > conftest.c <<EOF
#include "confdefs.h"
#include <sys/types.h>
#include <sys/mman.h>
int main() { exit(0); }
int t() { char *p = mmap(0, 0, PROT_READ, MAP_PRIVATE, 0, 0); munmap(p, 0); }
EOF
if eval $compile; then
  rm -rf conftest*
  
{
test -n "$verbose" && \
echo "	defining HAVE_MMAP"
echo "#define" HAVE_MMAP 1 >> confdefs.h
DEFS="$DEFS -DHAVE_MMAP=1"
}


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"
}

fi
rm -f conftest*

echo checking for vfork.h
cat > conftest.c <<EOF
#include "confdefs.h"
#include <vfork.h>
EOF
err=`eval "($CPP conftest.c >/dev/null) 2>&1"`
if test -z "$err"; then
  rm -rf conftest*
  
{
test -n "$verbose" && \
echo "	defining HAVE_VFORK_H"
echo "#define" HAVE_VFORK_H 1 >> confdefs.h
DEFS="$DEFS -DHAVE_VFORK_H=1"
}


fi
rm -f conftest*

echo checking for working vfork

cat > conftest.c <<EOF
#include "confdefs.h"
/* Thanks to Paul Eggert for this test.  */
#include <stdio.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <signal.h>
#ifdef HAVE_UNISTD_H
#include <unistd.h>
#endif
#ifdef HAVE_VFORK_H
#include <vfork.h>
#endif
static int signalled;
static RETSIGTYPE catch (s) int s; { signalled = 1; }
main() {
  pid_t parent = getpid ();
  pid_t child;

  signal (SIGINT, catch);

  child = vfork ();

  if (child == 0) {
    /* On sparc systems, changes by the child to local and incoming
       argument registers are propagated back to the parent.
       The compiler is told about this with #include <vfork.h>,
       but some compilers (e.g. gcc -O) don't grok <vfork.h>.
       Test for this by using lots of local variables, at least
       as many local variables as main has allocated so far
       including compiler temporaries.  4 locals are enough for
       gcc 1.40.3 on a sparc, but we use 8 to be safe.
       A buggy compiler should reuse the register of parent
       for one of the local variables, since it will think that
       parent can't possibly be used any more in this routine.
       Assigning to the local variable will thus munge parent
       in the parent process.  */
    pid_t
      p = getpid(), p1 = getpid(), p2 = getpid(), p3 = getpid(),
      p4 = getpid(), p5 = getpid(), p6 = getpid(), p7 = getpid();
    /* Convince the compiler that p..p7 are live; otherwise, it might
       use the same hardware register for all 8 local variables.  */
    if (p != p1 || p != p2 || p != p3 || p != p4
	|| p != p5 || p != p6 || p != p7)
      _exit(1);

    /* On some systems (e.g. SunOS 5.2), if the parent is catching
       a signal, the child ignores the signal before execing,
       and the parent later receives that signal, the parent dumps core.
       Test for this by ignoring SIGINT in the child.  */
    signal (SIGINT, SIG_IGN);

    /* On some systems (e.g. IRIX 3.3),
       vfork doesn't separate parent from child file descriptors.
       If the child closes a descriptor before it execs or exits,
       this munges the parent's descriptor as well.
       Test for this by closing stdout in the child.  */
    _exit(close(fileno(stdout)) != 0);
  } else {
    int status;
    struct stat st;

    while (wait(&status) != child)
      ;
    exit(
	 /* Was there some problem with vforking?  */
	 child < 0

	 /* Did the child fail?  (This shouldn't happen.)  */
	 || status

	 /* Did the vfork/compiler bug occur?  */
	 || parent != getpid()

	 /* Did the signal handling bug occur?  */
	 || kill(parent, SIGINT) != 0
	 || signalled != 1

	 /* Did the file descriptor bug occur?  */
	 || fstat(fileno(stdout), &st) != 0
	 );
  }
}
EOF
eval $compile
if test -s conftest && (./conftest; exit) 2>/dev/null; then
  :
else
  
{
test -n "$verbose" && \
echo "	defining" vfork to be fork
echo "#define" vfork fork >> confdefs.h
DEFS="$DEFS -Dvfork=fork"
}

fi
rm -fr conftest*

saved_libs="$LIBS"
LIBS="$LIBS -lm"
for func in fmod strtol getcwd strerror putenv
do
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 $compile; then
  :
else
  rm -rf conftest*
  LIBOBJS="$LIBOBJS ${func}.o"
test -n "$verbose" && echo "	using ${func}.o instead"
fi
rm -f conftest*

done

LIBS="$saved_libs"
for func in rename mkstemp
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"
}


fi
rm -f conftest*
done

echo checking for sys_siglist
cat > conftest.c <<EOF
#include "confdefs.h"

int main() { exit(0); }
int t() { extern char *sys_siglist[]; sys_siglist[0] = 0; }
EOF
if eval $compile; then
  rm -rf conftest*
  
{
test -n "$verbose" && \
echo "	defining HAVE_SYS_SIGLIST"
echo "#define" HAVE_SYS_SIGLIST 1 >> confdefs.h
DEFS="$DEFS -DHAVE_SYS_SIGLIST=1"
}


fi
rm -f conftest*

echo checking for gcc/g++ delete bug
cat <<EOF > conftest.cc

#include <stdlib.h>
#include <stddef.h>

int testit = 0;

int main()
{
  testit = 1;
  int *p = new int;
  delete p;
  testit = 0;
  return 1;
}

static unsigned dummy[3];

void *operator new(size_t n)
{
  if (testit) {
    dummy[1] = -(unsigned)(dummy + 2);
    return dummy + 2;
  }
  else
    return (void *)malloc(n);
}

void operator delete(void *p)
{
  if (testit) {
    if (p == dummy)
      exit(0);
  }
  else
    free(p);
}

EOF
rm -f conftest
eval $cc_compile
if test -s conftest && (./conftest) 2>/dev/null; then
  
{
test -n "$verbose" && \
echo "	defining COOKIE_BUG"
echo "#define" COOKIE_BUG 1 >> confdefs.h
DEFS="$DEFS -DCOOKIE_BUG=1"
}

fi
rm -f conftest*
echo checking for cfront ANSI C INT_MIN bug
cat <<EOF > conftest.cc
#include <stdlib.h>
#ifdef HAVE_CC_LIMITS_H
#include <limits.h>
#else
#define INT_MAX 2147483647
#endif

#undef INT_MIN
#define INT_MIN (-INT_MAX-1)

int main()
{
  int z = 0;
  return INT_MIN < z;
}

EOF
rm -f conftest
eval $cc_compile
if test -s conftest && (./conftest) 2>/dev/null; then
  
{
test -n "$verbose" && \
echo "	defining CFRONT_ANSI_BUG"
echo "#define" CFRONT_ANSI_BUG 1 >> confdefs.h
DEFS="$DEFS -DCFRONT_ANSI_BUG=1"
}

fi
rm -f conftest*
echo checking for new array delete syntax
cat <<EOF >conftest.cc

int main() { return 0; } void t() { char *p = new char[5]; delete [] p; }
EOF
if eval $cc_compile; then
  :
else
  
{
test -n "$verbose" && \
echo "	defining ARRAY_DELETE_NEEDS_SIZE"
echo "#define" ARRAY_DELETE_NEEDS_SIZE 1 >> confdefs.h
DEFS="$DEFS -DARRAY_DELETE_NEEDS_SIZE=1"
}

fi
rm -f conftest*
echo checking for traditional preprocessor
cat <<EOF >conftest.cc
#define name2(a,b) a/**/b
int main() { return 0; } void t() { int name2(foo,bar); }
EOF
if eval $cc_compile; then
  
{
test -n "$verbose" && \
echo "	defining TRADITIONAL_CPP"
echo "#define" TRADITIONAL_CPP 1 >> confdefs.h
DEFS="$DEFS -DTRADITIONAL_CPP=1"
}

fi
rm -f conftest*
echo checking for w_coredump
cat > conftest.c <<EOF
#include "confdefs.h"

#include <sys/types.h>
#include <sys/wait.h>
main()
{
#ifdef WCOREFLAG
  exit(1);
#else
  int i = 0;
  ((union wait *)&i)->w_coredump = 1;
  exit(i != 0200);
#endif
}

EOF
eval $compile
if test -s conftest && (./conftest; exit) 2>/dev/null; then
  
{
test -n "$verbose" && \
echo "	defining" WCOREFLAG to be 0200
echo "#define" WCOREFLAG 0200 >> confdefs.h
DEFS="$DEFS -DWCOREFLAG=0200"
}


fi
rm -fr conftest*
test -n "${BROKEN_SPOOLER_FLAGS}" || BROKEN_SPOOLER_FLAGS=7
echo using default value of ${BROKEN_SPOOLER_FLAGS} for grops -b option


if test -z "$PAGE" && test -r $prefix/lib/groff/font/devps/DESC
then
	if grep "^paperlength 841890" \
		$prefix/lib/groff/font/devps/DESC >/dev/null 2>&1
	then
		PAGE=A4
	else
		PAGE=letter
	fi
fi
if test -z "$PAGE"
then
	dom=`awk '($1 == "dom" || $1 == "search") { print $2; exit}' \
	    /etc/resolv.conf 2>/dev/null`

	if test -z "$dom"
	then
		dom=`(domainname) 2>/dev/null | tr -d '+'`
		if test -z "$dom"
		then
			dom=`(hostname) 2>/dev/null | grep '\.'`
		fi
	fi

	# If the top-level domain is two letters and it's not `us' or `ca'
	# then they probably use A4 paper.
	case "$dom" in
	*.[Uu][Ss]|*.[Cc][Aa]) ;;
	*.[A-Za-z][A-Za-z]) PAGE=A4 ;;
	esac
fi
test -n "$PAGE" || PAGE=letter
echo guessing $PAGE size paper

# 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
# 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 -f Makefile; exit 1' 1 3 15
CC='$CC'
CCLIBS='$CCLIBS'
CCC='$CCC'
LPR='$LPR'
LP='$LP'
LPQ='$LPQ'
PSPRINT='$PSPRINT'
DVIPRINT='$DVIPRINT'
PERLPATH='$PERLPATH'
YACC='$YACC'
RANLIB='$RANLIB'
INSTALL='$INSTALL'
INSTALL_PROGRAM='$INSTALL_PROGRAM'
INSTALL_DATA='$INSTALL_DATA'
LN_S='$LN_S'
ETAGSCCFLAG='$ETAGSCCFLAG'
SH_SCRIPT_SED_CMD='$SH_SCRIPT_SED_CMD'
CPP='$CPP'
LIBOBJS='$LIBOBJS'
BROKEN_SPOOLER_FLAGS='$BROKEN_SPOOLER_FLAGS'
PAGE='$PAGE'
LIBS='$LIBS'
srcdir='$srcdir'
DEFS='$DEFS'
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%@CCLIBS@%$CCLIBS%g
s%@CCC@%$CCC%g
s%@LPR@%$LPR%g
s%@LP@%$LP%g
s%@LPQ@%$LPQ%g
s%@PSPRINT@%$PSPRINT%g
s%@DVIPRINT@%$DVIPRINT%g
s%@PERLPATH@%$PERLPATH%g
s%@YACC@%$YACC%g
s%@RANLIB@%$RANLIB%g
s%@INSTALL@%$INSTALL%g
s%@INSTALL_PROGRAM@%$INSTALL_PROGRAM%g
s%@INSTALL_DATA@%$INSTALL_DATA%g
s%@LN_S@%$LN_S%g
s%@ETAGSCCFLAG@%$ETAGSCCFLAG%g
s%@SH_SCRIPT_SED_CMD@%$SH_SCRIPT_SED_CMD%g
s%@CPP@%$CPP%g
s%@LIBOBJS@%$LIBOBJS%g
s%@BROKEN_SPOOLER_FLAGS@%$BROKEN_SPOOLER_FLAGS%g
s%@PAGE@%$PAGE%g
s%@LIBS@%$LIBS%g
s%@srcdir@%$srcdir%g
s%@DEFS@%$DEFS%
" $top_srcdir/${file}.in >> $file
fi; done


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