Import Upstream version 4e6upstream/4e6

1 files changed, 849 insertions, 0 deletions

diff --git a/configure b/configure
new file mode 100755
index 0000000..53d869e
--- /dev/null
+++ b/configure
@@ -0,0 +1,849 @@
+#!/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 $LIBS >/dev/null 2>&1'
+
+# A filename unique to this package, relative to the directory that
+# configure is in, which we can look for to find out if srcdir is correct.
+unique_file=scl.c
+
+# Find the source files, if location was not specified.
+if test -z "$srcdir"; then
+  srcdirdefaulted=yes
+  # Try the directory containing this script, then `..'.
+  prog=$0
+  confdir=`echo $prog|sed 's%/[^/][^/]*$%%'`
+  test "X$confdir" = "X$prog" && confdir=.
+  srcdir=$confdir
+  if test ! -r $srcdir/$unique_file; then
+    srcdir=..
+  fi
+fi
+if test ! -r $srcdir/$unique_file; then
+  if test x$srcdirdefaulted = xyes; then
+    echo "configure: Can not find sources in \`${confdir}' or \`..'." 1>&2
+  else
+    echo "configure: Can not find sources in \`${srcdir}'." 1>&2
+  fi
+  exit 1
+fi
+# Preserve a srcdir of `.' to avoid automounter screwups with pwd.
+# But we can't avoid them for `..', to make subdirectories work.
+case $srcdir in
+  .|/*|~*) ;;
+  *) srcdir=`cd $srcdir; pwd` ;; # Make relative path absolute.
+esac
+
+
+# Save the original args to write them into config.status later.
+configure_args="$*"
+
+
+
+test -z "$CFLAGS" && CFLAGS=-g 
+test -z "$LDFLAGS" && LDFLAGS=-g 
+
+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*
+
+# 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 $INSTALL_DATA"
+
+echo checking how to run the C preprocessor
+if test -z "$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 $CPP"
+
+if test -z "$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 $RANLIB"
+
+echo checking for AIX
+cat > conftest.c <<EOF
+#include "confdefs.h"
+#ifdef _AIX
+  yes
+#endif
+
+EOF
+eval "$CPP conftest.c > conftest.out 2>&1"
+if egrep "yes" conftest.out >/dev/null 2>&1; then
+  rm -rf conftest*
+  
+{
+test -n "$verbose" && \
+echo "	defining _ALL_SOURCE"
+echo "#define" _ALL_SOURCE 1 >> confdefs.h
+DEFS="$DEFS -D_ALL_SOURCE=1"
+SEDDEFS="${SEDDEFS}\${SEDdA}_ALL_SOURCE\${SEDdB}_ALL_SOURCE\${SEDdC}1\${SEDdD}
+\${SEDuA}_ALL_SOURCE\${SEDuB}_ALL_SOURCE\${SEDuC}1\${SEDuD}
+\${SEDeA}_ALL_SOURCE\${SEDeB}_ALL_SOURCE\${SEDeC}1\${SEDeD}
+"
+}
+
+
+fi
+rm -f conftest*
+
+
+echo checking for POSIXized ISC
+if test -d /etc/conf/kconfig.d &&
+  grep _POSIX_VERSION /usr/include/sys/unistd.h >/dev/null 2>&1
+then
+  ISC=1 # If later tests want to check for ISC.
+  
+{
+test -n "$verbose" && \
+echo "	defining _POSIX_SOURCE"
+echo "#define" _POSIX_SOURCE 1 >> confdefs.h
+DEFS="$DEFS -D_POSIX_SOURCE=1"
+SEDDEFS="${SEDDEFS}\${SEDdA}_POSIX_SOURCE\${SEDdB}_POSIX_SOURCE\${SEDdC}1\${SEDdD}
+\${SEDuA}_POSIX_SOURCE\${SEDuB}_POSIX_SOURCE\${SEDuC}1\${SEDuD}
+\${SEDeA}_POSIX_SOURCE\${SEDeB}_POSIX_SOURCE\${SEDeC}1\${SEDeD}
+"
+}
+
+  if test -n "$GCC"; then
+    CC="$CC -posix"
+  else
+    CC="$CC -Xp"
+  fi
+fi
+
+echo checking for minix/config.h
+cat > conftest.c <<EOF
+#include "confdefs.h"
+#include <minix/config.h>
+EOF
+err=`eval "($CPP conftest.c >/dev/null) 2>&1"`
+if test -z "$err"; then
+  rm -rf conftest*
+  MINIX=1
+
+fi
+rm -f conftest*
+
+# The Minix shell can't assign to the same variable on the same line!
+if test -n "$MINIX"; then
+  
+{
+test -n "$verbose" && \
+echo "	defining _POSIX_SOURCE"
+echo "#define" _POSIX_SOURCE 1 >> confdefs.h
+DEFS="$DEFS -D_POSIX_SOURCE=1"
+SEDDEFS="${SEDDEFS}\${SEDdA}_POSIX_SOURCE\${SEDdB}_POSIX_SOURCE\${SEDdC}1\${SEDdD}
+\${SEDuA}_POSIX_SOURCE\${SEDuB}_POSIX_SOURCE\${SEDuC}1\${SEDuD}
+\${SEDeA}_POSIX_SOURCE\${SEDeB}_POSIX_SOURCE\${SEDeC}1\${SEDeD}
+"
+}
+
+  
+{
+test -n "$verbose" && \
+echo "	defining" _POSIX_1_SOURCE to be 2
+echo "#define" _POSIX_1_SOURCE 2 >> confdefs.h
+DEFS="$DEFS -D_POSIX_1_SOURCE=2"
+SEDDEFS="${SEDDEFS}\${SEDdA}_POSIX_1_SOURCE\${SEDdB}_POSIX_1_SOURCE\${SEDdC}2\${SEDdD}
+\${SEDuA}_POSIX_1_SOURCE\${SEDuB}_POSIX_1_SOURCE\${SEDuC}2\${SEDuD}
+\${SEDeA}_POSIX_1_SOURCE\${SEDeB}_POSIX_1_SOURCE\${SEDeC}2\${SEDeD}
+"
+}
+
+  
+{
+test -n "$verbose" && \
+echo "	defining _MINIX"
+echo "#define" _MINIX 1 >> confdefs.h
+DEFS="$DEFS -D_MINIX=1"
+SEDDEFS="${SEDDEFS}\${SEDdA}_MINIX\${SEDdB}_MINIX\${SEDdC}1\${SEDdD}
+\${SEDuA}_MINIX\${SEDuB}_MINIX\${SEDuC}1\${SEDuD}
+\${SEDeA}_MINIX\${SEDeB}_MINIX\${SEDeC}1\${SEDeD}
+"
+}
+
+fi
+
+echo checking for ANSI C header files
+cat > conftest.c <<EOF
+#include "confdefs.h"
+#include <stdlib.h>
+#include <stdarg.h>
+#include <string.h>
+#include <float.h>
+EOF
+err=`eval "($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*
+
+for hdr in unistd.h string.h memory.h limits.h time.h sys/types.h sys/time.h sys/timeb.h sys/times.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 whether time.h and sys/time.h may both be included
+cat > conftest.c <<EOF
+#include "confdefs.h"
+#include <sys/types.h>
+#include <sys/time.h>
+#include <time.h>
+int main() { exit(0); }
+int t() { struct tm *tp; }
+EOF
+if eval $compile; then
+  rm -rf conftest*
+  
+{
+test -n "$verbose" && \
+echo "	defining TIME_WITH_SYS_TIME"
+echo "#define" TIME_WITH_SYS_TIME 1 >> confdefs.h
+DEFS="$DEFS -DTIME_WITH_SYS_TIME=1"
+SEDDEFS="${SEDDEFS}\${SEDdA}TIME_WITH_SYS_TIME\${SEDdB}TIME_WITH_SYS_TIME\${SEDdC}1\${SEDdD}
+\${SEDuA}TIME_WITH_SYS_TIME\${SEDuB}TIME_WITH_SYS_TIME\${SEDuC}1\${SEDuD}
+\${SEDeA}TIME_WITH_SYS_TIME\${SEDeB}TIME_WITH_SYS_TIME\${SEDeC}1\${SEDeD}
+"
+}
+
+
+fi
+rm -f conftest*
+
+for func in ftime times
+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 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*
+
+
+prog='/* Ultrix mips cc rejects this.  */
+typedef int charset[2]; const charset x;
+/* SunOS 4.1.1 cc rejects this.  */
+char const *const *ccp;
+char **p;
+/* AIX XL C 1.02.0.0 rejects this.
+   It does not let you subtract one const X* pointer from another in an arm
+   of an if-expression whose if-part is not a constant expression */
+const char *g = "string";
+ccp = &g + (g ? g-g : 0);
+/* HPUX 7.0 cc rejects these. */
+++ccp;
+p = (char**) ccp;
+ccp = (char const *const *) p;
+{ /* SCO 3.2v4 cc rejects this.  */
+  char *t;
+  char const *s = 0 ? (char *) 0 : (char const *) 0;
+
+  *t++ = 0;
+}
+{ /* Someone thinks the Sun supposedly-ANSI compiler will reject this.  */
+  int x[] = {25,17};
+  const int *foo = &x[0];
+  ++foo;
+}
+{ /* Sun SC1.0 ANSI compiler rejects this -- but not the above. */
+  typedef const int *iptr;
+  iptr p = 0;
+  ++p;
+}
+{ /* AIX XL C 1.02.0.0 rejects this saying
+     "k.c", line 2.27: 1506-025 (S) Operand must be a modifiable lvalue. */
+  struct s { int j; const int *ap[3]; };
+  struct s *b; b->j = 5;
+}
+{ /* ULTRIX-32 V3.1 (Rev 9) vcc rejects this */
+  const int foo = 10;
+}'
+echo checking for lack of working const
+cat > conftest.c <<EOF
+#include "confdefs.h"
+
+int main() { exit(0); }
+int t() { $prog }
+EOF
+if eval $compile; then
+  :
+else
+  rm -rf conftest*
+  
+{
+test -n "$verbose" && \
+echo "	defining" const to be empty
+echo "#define" const  >> confdefs.h
+DEFS="$DEFS -Dconst="
+SEDDEFS="${SEDDEFS}\${SEDdA}const\${SEDdB}const\${SEDdC}\${SEDdD}
+\${SEDuA}const\${SEDuB}const\${SEDuC}\${SEDuD}
+\${SEDeA}const\${SEDeB}const\${SEDeC}\${SEDeD}
+"
+}
+
+fi
+rm -f conftest*
+
+echo checking whether $CC and cc understand -c and -o together
+echo 'foo(){}' > conftest.c
+# Make sure it works both with $CC and with simple cc.
+# We do the test twice because some compilers refuse to overwrite an
+# existing .o file with -o, though they will create one.
+if ${CC-cc} -c conftest.c -o conftest.o >/dev/null 2>&1 \
+ && test -f conftest.o && ${CC-cc} -c conftest.c -o conftest.o >/dev/null 2>&1
+then
+  # Test first that cc exists at all.
+  if cc -c conftest.c >/dev/null 2>&1
+  then
+    if cc -c conftest.c -o conftest2.o >/dev/null 2>&1 && \
+       test -f conftest2.o && cc -c conftest.c -o conftest2.o >/dev/null 2>&1
+    then
+      :
+    else
+      
+{
+test -n "$verbose" && \
+echo "	defining NO_MINUS_C_MINUS_O"
+echo "#define" NO_MINUS_C_MINUS_O 1 >> confdefs.h
+DEFS="$DEFS -DNO_MINUS_C_MINUS_O=1"
+SEDDEFS="${SEDDEFS}\${SEDdA}NO_MINUS_C_MINUS_O\${SEDdB}NO_MINUS_C_MINUS_O\${SEDdC}1\${SEDdD}
+\${SEDuA}NO_MINUS_C_MINUS_O\${SEDuB}NO_MINUS_C_MINUS_O\${SEDuC}1\${SEDuD}
+\${SEDeA}NO_MINUS_C_MINUS_O\${SEDeB}NO_MINUS_C_MINUS_O\${SEDeC}1\${SEDeD}
+"
+}
+
+    fi
+  fi
+else
+  
+{
+test -n "$verbose" && \
+echo "	defining NO_MINUS_C_MINUS_O"
+echo "#define" NO_MINUS_C_MINUS_O 1 >> confdefs.h
+DEFS="$DEFS -DNO_MINUS_C_MINUS_O=1"
+SEDDEFS="${SEDDEFS}\${SEDdA}NO_MINUS_C_MINUS_O\${SEDdB}NO_MINUS_C_MINUS_O\${SEDdC}1\${SEDdD}
+\${SEDuA}NO_MINUS_C_MINUS_O\${SEDuB}NO_MINUS_C_MINUS_O\${SEDuC}1\${SEDuD}
+\${SEDeA}NO_MINUS_C_MINUS_O\${SEDeB}NO_MINUS_C_MINUS_O\${SEDeC}1\${SEDeD}
+"
+}
+
+fi
+rm -f conftest*
+
+
+
+
+# Set default prefixes.
+if test -n "$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
+# 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 $configure_args ;;
+    *) echo "Usage: config.status --recheck" 2>&1; exit 1 ;;
+  esac
+done
+
+trap 'rm -fr Makefile scmconfig.h conftest*; exit 1' 1 3 15
+CFLAGS='$CFLAGS'
+LDFLAGS='$LDFLAGS'
+CC='$CC'
+INSTALL='$INSTALL'
+INSTALL_PROGRAM='$INSTALL_PROGRAM'
+INSTALL_DATA='$INSTALL_DATA'
+CPP='$CPP'
+RANLIB='$RANLIB'
+LIBOBJS='$LIBOBJS'
+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
+$extrasub
+s%@CFLAGS@%$CFLAGS%g
+s%@LDFLAGS@%$LDFLAGS%g
+s%@CC@%$CC%g
+s%@INSTALL@%$INSTALL%g
+s%@INSTALL_PROGRAM@%$INSTALL_PROGRAM%g
+s%@INSTALL_DATA@%$INSTALL_DATA%g
+s%@CPP@%$CPP%g
+s%@RANLIB@%$RANLIB%g
+s%@LIBOBJS@%$LIBOBJS%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-"scmconfig.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
+# scmconfig.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
+
+