kc3-lang/freetype/builds/cygwin/ltconfig

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• Hash : 896b604c
  Author :
  Date : 2000-10-03T17:51:29
  

  updated the build system: - new files for the "cygwin" platform - new workspace files for Visual C++ in "builds/win32/visualc" - updated "docs/BUILD" slightly

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• builds/cygwin/ltconfig

• #! /bin/sh
  
  # ltconfig - Create a system-specific libtool.
  # Copyright (C) 1996-1999 Free Software Foundation, Inc.
  # Originally by Gordon Matzigkeit <gord@gnu.ai.mit.edu>, 1996
  #
  # This file 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 of the License, 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
  #
  # As a special exception to the GNU General Public License, if you
  # distribute this file as part of a program that contains a
  # configuration script generated by Autoconf, you may include it under
  # the same distribution terms that you use for the rest of that program.
  
  # A lot of this script is taken from autoconf-2.10.
  
  # Check that we are running under the correct shell.
  SHELL=${CONFIG_SHELL-/bin/sh}
  echo=echo
  if test "X$1" = X--no-reexec; then
    # Discard the --no-reexec flag, and continue.
    shift
  elif test "X$1" = X--fallback-echo; then
    # Avoid inline document here, it may be left over
    :
  elif test "X`($echo '\t') 2>/dev/null`" = 'X\t'; then
    # Yippee, $echo works!
    :
  else
    # Restart under the correct shell.
    exec "$SHELL" "$0" --no-reexec ${1+"$@"}
  fi
  
  if test "X$1" = X--fallback-echo; then
    # used as fallback echo
    shift
    cat <<EOF
  $*
  EOF
    exit 0
  fi
  
  # Find the correct PATH separator.  Usually this is `:', but
  # DJGPP uses `;' like DOS.
  if test "X${PATH_SEPARATOR+set}" != Xset; then
    UNAME=${UNAME-`uname 2>/dev/null`}
    case X$UNAME in
      *-DOS) PATH_SEPARATOR=';' ;;
      *)     PATH_SEPARATOR=':' ;;
    esac
  fi
  
  # The HP-UX ksh and POSIX shell print the target directory to stdout
  # if CDPATH is set.
  if test "X${CDPATH+set}" = Xset; then CDPATH=:; export CDPATH; fi
  
  if test "X${echo_test_string+set}" != Xset; then
    # find a string as large as possible, as long as the shell can cope with it
    for cmd in 'sed 50q "$0"' 'sed 20q "$0"' 'sed 10q "$0"' 'sed 2q "$0"' 'echo test'; do
      # expected sizes: less than 2Kb, 1Kb, 512 bytes, 16 bytes, ...
      if (echo_test_string="`eval $cmd`") 2>/dev/null &&
         echo_test_string="`eval $cmd`" &&
         (test "X$echo_test_string" = "X$echo_test_string") 2>/dev/null; then
        break
      fi
    done
  fi
  
  if test "X`($echo '\t') 2>/dev/null`" != 'X\t' ||
     test "X`($echo "$echo_test_string") 2>/dev/null`" != X"$echo_test_string"; then
    # The Solaris, AIX, and Digital Unix default echo programs unquote
    # backslashes.  This makes it impossible to quote backslashes using
    #   echo "$something" | sed 's/\\/\\\\/g'
    #
    # So, first we look for a working echo in the user's PATH.
  
    IFS="${IFS= 	}"; save_ifs="$IFS"; IFS="${IFS}${PATH_SEPARATOR}"
    for dir in $PATH /usr/ucb; do
      if (test -f $dir/echo || test -f $dir/echo$ac_exeext) &&
         test "X`($dir/echo '\t') 2>/dev/null`" = 'X\t' &&
         test "X`($dir/echo "$echo_test_string") 2>/dev/null`" = X"$echo_test_string"; then
        echo="$dir/echo"
        break
      fi
    done
    IFS="$save_ifs"
  
    if test "X$echo" = Xecho; then
      # We didn't find a better echo, so look for alternatives.
      if test "X`(print -r '\t') 2>/dev/null`" = 'X\t' &&
         test "X`(print -r "$echo_test_string") 2>/dev/null`" = X"$echo_test_string"; then
        # This shell has a builtin print -r that does the trick.
        echo='print -r'
      elif (test -f /bin/ksh || test -f /bin/ksh$ac_exeext) &&
  	 test "X$CONFIG_SHELL" != X/bin/ksh; then
        # If we have ksh, try running ltconfig again with it.
        ORIGINAL_CONFIG_SHELL="${CONFIG_SHELL-/bin/sh}"
        export ORIGINAL_CONFIG_SHELL
        CONFIG_SHELL=/bin/ksh
        export CONFIG_SHELL
        exec "$CONFIG_SHELL" "$0" --no-reexec ${1+"$@"}
      else
        # Try using printf.
        echo='printf "%s\n"'
        if test "X`($echo '\t') 2>/dev/null`" = 'X\t' &&
  	 test "X`($echo "$echo_test_string") 2>/dev/null`" = X"$echo_test_string"; then
  	# Cool, printf works
  	:
        elif test "X`("$ORIGINAL_CONFIG_SHELL" "$0" --fallback-echo '\t') 2>/dev/null`" = 'X\t' &&
  	   test "X`("$ORIGINAL_CONFIG_SHELL" "$0" --fallback-echo "$echo_test_string") 2>/dev/null`" = X"$echo_test_string"; then
  	CONFIG_SHELL="$ORIGINAL_CONFIG_SHELL"
  	export CONFIG_SHELL
  	SHELL="$CONFIG_SHELL"
  	export SHELL
  	echo="$CONFIG_SHELL $0 --fallback-echo"
        elif test "X`("$CONFIG_SHELL" "$0" --fallback-echo '\t') 2>/dev/null`" = 'X\t' &&
  	   test "X`("$CONFIG_SHELL" "$0" --fallback-echo "$echo_test_string") 2>/dev/null`" = X"$echo_test_string"; then
  	echo="$CONFIG_SHELL $0 --fallback-echo"
        else
  	# maybe with a smaller string...
  	prev=:
  
  	for cmd in 'echo test' 'sed 2q "$0"' 'sed 10q "$0"' 'sed 20q "$0"' 'sed 50q "$0"'; do
  	  if (test "X$echo_test_string" = "X`eval $cmd`") 2>/dev/null; then
  	    break
  	  fi
  	  prev="$cmd"
  	done
  
  	if test "$prev" != 'sed 50q "$0"'; then
  	  echo_test_string=`eval $prev`
  	  export echo_test_string
  	  exec "${ORIGINAL_CONFIG_SHELL}" "$0" ${1+"$@"}
  	else
  	  # Oops.  We lost completely, so just stick with echo.
  	  echo=echo
  	fi
        fi
      fi
    fi
  fi
  
  # Sed substitution that helps us do robust quoting.  It backslashifies
  # metacharacters that are still active within double-quoted strings.
  Xsed='sed -e s/^X//'
  sed_quote_subst='s/\([\\"\\`$\\\\]\)/\\\1/g'
  
  # Same as above, but do not quote variable references.
  double_quote_subst='s/\([\\"\\`\\\\]\)/\\\1/g'
  
  # Sed substitution to delay expansion of an escaped shell variable in a
  # double_quote_subst'ed string.
  delay_variable_subst='s/\\\\\\\\\\\$/\\\\\\$/g'
  
  # The name of this program.
  progname=`$echo "X$0" | $Xsed -e 's%^.*/%%'`
  
  # Constants:
  PROGRAM=ltconfig
  PACKAGE=libtool
  VERSION=1.3.5
  TIMESTAMP=" (1.385.2.206 2000/05/27 11:12:27)"
  ac_compile='${CC-cc} -c $CFLAGS $CPPFLAGS conftest.$ac_ext 1>&5'
  ac_link='${CC-cc} -o conftest $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS 1>&5'
  rm="rm -f"
  
  help="Try \`$progname --help' for more information."
  
  # Global variables:
  default_ofile=libtool
  can_build_shared=yes
  enable_shared=yes
  # All known linkers require a `.a' archive for static linking (except M$VC,
  # which needs '.lib').
  enable_static=yes
  enable_fast_install=yes
  enable_dlopen=unknown
  enable_win32_dll=no
  ltmain=
  silent=
  srcdir=
  ac_config_guess=
  ac_config_sub=
  host=
  nonopt=
  ofile="$default_ofile"
  verify_host=yes
  with_gcc=no
  with_gnu_ld=no
  need_locks=yes
  ac_ext=c
  objext=o
  libext=a
  exeext=
  cache_file=
  
  old_AR="$AR"
  old_CC="$CC"
  old_CFLAGS="$CFLAGS"
  old_CPPFLAGS="$CPPFLAGS"
  old_LDFLAGS="$LDFLAGS"
  old_LD="$LD"
  old_LN_S="$LN_S"
  old_LIBS="$LIBS"
  old_NM="$NM"
  old_RANLIB="$RANLIB"
  old_DLLTOOL="$DLLTOOL"
  old_OBJDUMP="$OBJDUMP"
  old_AS="$AS"
  
  # Parse the command line options.
  args=
  prev=
  for option
  do
    case "$option" in
    -*=*) optarg=`echo "$option" | sed 's/[-_a-zA-Z0-9]*=//'` ;;
    *) optarg= ;;
    esac
  
    # If the previous option needs an argument, assign it.
    if test -n "$prev"; then
      eval "$prev=\$option"
      prev=
      continue
    fi
  
    case "$option" in
    --help) cat <<EOM
  Usage: $progname [OPTION]... [HOST [LTMAIN]]
  
  Generate a system-specific libtool script.
  
      --debug                enable verbose shell tracing
      --disable-shared       do not build shared libraries
      --disable-static       do not build static libraries
      --disable-fast-install do not optimize for fast installation
      --enable-dlopen        enable dlopen support
      --enable-win32-dll     enable building dlls on win32 hosts
      --help                 display this help and exit
      --no-verify            do not verify that HOST is a valid host type
  -o, --output=FILE          specify the output file [default=$default_ofile]
      --quiet                same as \`--silent'
      --silent               do not print informational messages
      --srcdir=DIR           find \`config.guess' in DIR
      --version              output version information and exit
      --with-gcc             assume that the GNU C compiler will be used
      --with-gnu-ld          assume that the C compiler uses the GNU linker
      --disable-lock         disable file locking
      --cache-file=FILE      configure cache file
  
  LTMAIN is the \`ltmain.sh' shell script fragment or \`ltmain.c' program
  that provides basic libtool functionality.
  
  HOST is the canonical host system name [default=guessed].
  EOM
    exit 0
    ;;
  
    --debug)
      echo "$progname: enabling shell trace mode"
      set -x
      ;;
  
    --disable-shared) enable_shared=no ;;
  
    --disable-static) enable_static=no ;;
  
    --disable-fast-install) enable_fast_install=no ;;
  
    --enable-dlopen) enable_dlopen=yes ;;
  
    --enable-win32-dll) enable_win32_dll=yes ;;
  
    --quiet | --silent) silent=yes ;;
  
    --srcdir) prev=srcdir ;;
    --srcdir=*) srcdir="$optarg" ;;
  
    --no-verify) verify_host=no ;;
  
    --output | -o) prev=ofile ;;
    --output=*) ofile="$optarg" ;;
  
    --version) echo "$PROGRAM (GNU $PACKAGE) $VERSION$TIMESTAMP"; exit 0 ;;
  
    --with-gcc) with_gcc=yes ;;
    --with-gnu-ld) with_gnu_ld=yes ;;
  
    --disable-lock) need_locks=no ;;
  
    --cache-file=*) cache_file="$optarg" ;;
  
    -*)
      echo "$progname: unrecognized option \`$option'" 1>&2
      echo "$help" 1>&2
      exit 1
      ;;
  
    *)
      if test -z "$ltmain"; then
        ltmain="$option"
      elif test -z "$host"; then
  # This generates an unnecessary warning for sparc-sun-solaris4.1.3_U1
  #      if test -n "`echo $option| sed 's/[-a-z0-9.]//g'`"; then
  #        echo "$progname: warning \`$option' is not a valid host type" 1>&2
  #      fi
        host="$option"
      else
        echo "$progname: too many arguments" 1>&2
        echo "$help" 1>&2
        exit 1
      fi ;;
    esac
  done
  
  if test -z "$ltmain"; then
    echo "$progname: you must specify a LTMAIN file" 1>&2
    echo "$help" 1>&2
    exit 1
  fi
  
  if test ! -f "$ltmain"; then
    echo "$progname: \`$ltmain' does not exist" 1>&2
    echo "$help" 1>&2
    exit 1
  fi
  
  # Quote any args containing shell metacharacters.
  ltconfig_args=
  for arg
  do
    case "$arg" in
    *" "*|*"	"*|*[\[\]\~\#\$\^\&\*\(\)\{\}\\\|\;\<\>\?]*)
    ltconfig_args="$ltconfig_args '$arg'" ;;
    *) ltconfig_args="$ltconfig_args $arg" ;;
    esac
  done
  
  # A relevant subset of AC_INIT.
  
  # File descriptor usage:
  # 0 standard input
  # 1 file creation
  # 2 errors and warnings
  # 3 some systems may open it to /dev/tty
  # 4 used on the Kubota Titan
  # 5 compiler messages saved in config.log
  # 6 checking for... messages and results
  if test "$silent" = yes; then
    exec 6>/dev/null
  else
    exec 6>&1
  fi
  exec 5>>./config.log
  
  # NLS nuisances.
  # Only set LANG and LC_ALL to C if already set.
  # These must not be set unconditionally because not all systems understand
  # e.g. LANG=C (notably SCO).
  if test "X${LC_ALL+set}" = Xset; then LC_ALL=C; export LC_ALL; fi
  if test "X${LANG+set}"   = Xset; then LANG=C;   export LANG;   fi
  
  if test -n "$cache_file" && test -r "$cache_file"; then
    echo "loading cache $cache_file within ltconfig"
    . $cache_file
  fi
  
  if (echo "testing\c"; echo 1,2,3) | grep c >/dev/null; then
    # Stardent Vistra SVR4 grep lacks -e, says ghazi@caip.rutgers.edu.
    if (echo -n testing; echo 1,2,3) | sed s/-n/xn/ | grep xn >/dev/null; then
      ac_n= ac_c='
  ' ac_t='	'
    else
      ac_n=-n ac_c= ac_t=
    fi
  else
    ac_n= ac_c='\c' ac_t=
  fi
  
  if test -z "$srcdir"; then
    # Assume the source directory is the same one as the path to LTMAIN.
    srcdir=`$echo "X$ltmain" | $Xsed -e 's%/[^/]*$%%'`
    test "$srcdir" = "$ltmain" && srcdir=.
  fi
  
  trap "$rm conftest*; exit 1" 1 2 15
  if test "$verify_host" = yes; then
    # Check for config.guess and config.sub.
    ac_aux_dir=
    for ac_dir in $srcdir $srcdir/.. $srcdir/../..; do
      if test -f $ac_dir/config.guess; then
        ac_aux_dir=$ac_dir
        break
      fi
    done
    if test -z "$ac_aux_dir"; then
      echo "$progname: cannot find config.guess in $srcdir $srcdir/.. $srcdir/../.." 1>&2
      echo "$help" 1>&2
      exit 1
    fi
    ac_config_guess=$ac_aux_dir/config.guess
    ac_config_sub=$ac_aux_dir/config.sub
  
    # Make sure we can run config.sub.
    if $SHELL $ac_config_sub sun4 >/dev/null 2>&1; then :
    else
      echo "$progname: cannot run $ac_config_sub" 1>&2
      echo "$help" 1>&2
      exit 1
    fi
  
    echo $ac_n "checking host system type""... $ac_c" 1>&6
  
    host_alias=$host
    case "$host_alias" in
    "")
      if host_alias=`$SHELL $ac_config_guess`; then :
      else
        echo "$progname: cannot guess host type; you must specify one" 1>&2
        echo "$help" 1>&2
        exit 1
      fi ;;
    esac
    host=`$SHELL $ac_config_sub $host_alias`
    echo "$ac_t$host" 1>&6
  
    # Make sure the host verified.
    test -z "$host" && exit 1
  
  elif test -z "$host"; then
    echo "$progname: you must specify a host type if you use \`--no-verify'" 1>&2
    echo "$help" 1>&2
    exit 1
  else
    host_alias=$host
  fi
  
  # Transform linux* to *-*-linux-gnu*, to support old configure scripts.
  case "$host_os" in
  linux-gnu*) ;;
  linux*) host=`echo $host | sed 's/^\(.*-.*-linux\)\(.*\)$/\1-gnu\2/'`
  esac
  
  host_cpu=`echo $host | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\1/'`
  host_vendor=`echo $host | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\2/'`
  host_os=`echo $host | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\3/'`
  
  case "$host_os" in
  aix3*)
    # AIX sometimes has problems with the GCC collect2 program.  For some
    # reason, if we set the COLLECT_NAMES environment variable, the problems
    # vanish in a puff of smoke.
    if test "X${COLLECT_NAMES+set}" != Xset; then
      COLLECT_NAMES=
      export COLLECT_NAMES
    fi
    ;;
  esac
  
  # Determine commands to create old-style static archives.
  old_archive_cmds='$AR cru $oldlib$oldobjs'
  old_postinstall_cmds='chmod 644 $oldlib'
  old_postuninstall_cmds=
  
  # Set a sane default for `AR'.
  test -z "$AR" && AR=ar
  
  # Set a sane default for `OBJDUMP'.
  test -z "$OBJDUMP" && OBJDUMP=objdump
  
  # If RANLIB is not set, then run the test.
  if test "${RANLIB+set}" != "set"; then
    result=no
  
    echo $ac_n "checking for ranlib... $ac_c" 1>&6
    IFS="${IFS= 	}"; save_ifs="$IFS"; IFS="${IFS}${PATH_SEPARATOR}"
    for dir in $PATH; do
      test -z "$dir" && dir=.
      if test -f $dir/ranlib || test -f $dir/ranlib$ac_exeext; then
        RANLIB="ranlib"
        result="ranlib"
        break
      fi
    done
    IFS="$save_ifs"
  
    echo "$ac_t$result" 1>&6
  fi
  
  if test -n "$RANLIB"; then
    old_archive_cmds="$old_archive_cmds~\$RANLIB \$oldlib"
    old_postinstall_cmds="\$RANLIB \$oldlib~$old_postinstall_cmds"
  fi
  
  # Set sane defaults for `DLLTOOL', `OBJDUMP', and `AS', used on cygwin.
  test -z "$DLLTOOL" && DLLTOOL=dlltool
  test -z "$OBJDUMP" && OBJDUMP=objdump
  test -z "$AS" && AS=as
  
  # Check to see if we are using GCC.
  if test "$with_gcc" != yes || test -z "$CC"; then
    # If CC is not set, then try to find GCC or a usable CC.
    if test -z "$CC"; then
      echo $ac_n "checking for gcc... $ac_c" 1>&6
      IFS="${IFS= 	}"; save_ifs="$IFS"; IFS="${IFS}${PATH_SEPARATOR}"
      for dir in $PATH; do
        test -z "$dir" && dir=.
        if test -f $dir/gcc || test -f $dir/gcc$ac_exeext; then
  	CC="gcc"
  	break
        fi
      done
      IFS="$save_ifs"
  
      if test -n "$CC"; then
        echo "$ac_t$CC" 1>&6
      else
        echo "$ac_t"no 1>&6
      fi
    fi
  
    # Not "gcc", so try "cc", rejecting "/usr/ucb/cc".
    if test -z "$CC"; then
      echo $ac_n "checking for cc... $ac_c" 1>&6
      IFS="${IFS= 	}"; save_ifs="$IFS"; IFS="${IFS}${PATH_SEPARATOR}"
      cc_rejected=no
      for dir in $PATH; do
        test -z "$dir" && dir=.
        if test -f $dir/cc || test -f $dir/cc$ac_exeext; then
  	if test "$dir/cc" = "/usr/ucb/cc"; then
  	  cc_rejected=yes
  	  continue
  	fi
  	CC="cc"
  	break
        fi
      done
      IFS="$save_ifs"
      if test $cc_rejected = yes; then
        # We found a bogon in the path, so make sure we never use it.
        set dummy $CC
        shift
        if test $# -gt 0; then
  	# We chose a different compiler from the bogus one.
  	# However, it has the same name, so the bogon will be chosen
  	# first if we set CC to just the name; use the full file name.
  	shift
  	set dummy "$dir/cc" "$@"
  	shift
  	CC="$@"
        fi
      fi
  
      if test -n "$CC"; then
        echo "$ac_t$CC" 1>&6
      else
        echo "$ac_t"no 1>&6
      fi
  
      if test -z "$CC"; then
        echo "$progname: error: no acceptable cc found in \$PATH" 1>&2
        exit 1
      fi
    fi
  
    # Now see if the compiler is really GCC.
    with_gcc=no
    echo $ac_n "checking whether we are using GNU C... $ac_c" 1>&6
    echo "$progname:581: checking whether we are using GNU C" >&5
  
    $rm conftest.c
    cat > conftest.c <<EOF
  #ifdef __GNUC__
    yes;
  #endif
  EOF
    if { ac_try='${CC-cc} -E conftest.c'; { (eval echo $progname:589: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }; } | egrep yes >/dev/null 2>&1; then
      with_gcc=yes
    fi
    $rm conftest.c
    echo "$ac_t$with_gcc" 1>&6
  fi
  
  # Allow CC to be a program name with arguments.
  set dummy $CC
  compiler="$2"
  
  echo $ac_n "checking for object suffix... $ac_c" 1>&6
  $rm conftest*
  echo 'int i = 1;' > conftest.c
  echo "$progname:603: checking for object suffix" >& 5
  if { (eval echo $progname:604: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>conftest.err; }; then
    # Append any warnings to the config.log.
    cat conftest.err 1>&5
  
    for ac_file in conftest.*; do
      case $ac_file in
      *.c) ;;
      *) objext=`echo $ac_file | sed -e s/conftest.//` ;;
      esac
    done
  else
    cat conftest.err 1>&5
    echo "$progname: failed program was:" >&5
    cat conftest.c >&5
  fi
  $rm conftest*
  echo "$ac_t$objext" 1>&6
  
  echo $ac_n "checking for executable suffix... $ac_c" 1>&6
  if eval "test \"`echo '$''{'ac_cv_exeext'+set}'`\" = set"; then
    echo $ac_n "(cached) $ac_c" 1>&6
  else
    ac_cv_exeext="no"
    $rm conftest*
    echo 'main () { return 0; }' > conftest.c
    echo "$progname:629: checking for executable suffix" >& 5
    if { (eval echo $progname:630: \"$ac_link\") 1>&5; (eval $ac_link) 2>conftest.err; }; then
      # Append any warnings to the config.log.
      cat conftest.err 1>&5
  
      for ac_file in conftest.*; do
        case $ac_file in
        *.c | *.err | *.$objext ) ;;
        *) ac_cv_exeext=.`echo $ac_file | sed -e s/conftest.//` ;;
        esac
      done
    else
      cat conftest.err 1>&5
      echo "$progname: failed program was:" >&5
      cat conftest.c >&5
    fi
    $rm conftest*
  fi
  if test "X$ac_cv_exeext" = Xno; then
    exeext=""
  else
    exeext="$ac_cv_exeext"
  fi
  echo "$ac_t$ac_cv_exeext" 1>&6
  
  echo $ac_n "checking for $compiler option to produce PIC... $ac_c" 1>&6
  pic_flag=
  special_shlib_compile_flags=
  wl=
  link_static_flag=
  no_builtin_flag=
  
  if test "$with_gcc" = yes; then
    wl='-Wl,'
    link_static_flag='-static'
  
    case "$host_os" in
    beos* | irix5* | irix6* | osf3* | osf4* | osf5*)
      # PIC is the default for these OSes.
      ;;
    aix*)
      # Below there is a dirty hack to force normal static linking with -ldl
      # The problem is because libdl dynamically linked with both libc and
      # libC (AIX C++ library), which obviously doesn't included in libraries
      # list by gcc. This cause undefined symbols with -static flags.
      # This hack allows C programs to be linked with "-static -ldl", but
      # we not sure about C++ programs.
      link_static_flag="$link_static_flag ${wl}-lC"
      ;;
    cygwin* | mingw* | os2*)
      # We can build DLLs from non-PIC.
      ;;
    amigaos*)
      # FIXME: we need at least 68020 code to build shared libraries, but
      # adding the `-m68020' flag to GCC prevents building anything better,
      # like `-m68040'.
      pic_flag='-m68020 -resident32 -malways-restore-a4'
      ;;
    sysv4*MP*)
      if test -d /usr/nec; then
         pic_flag=-Kconform_pic
      fi
      ;;
    *)
      pic_flag='-fPIC'
      ;;
    esac
  else
    # PORTME Check for PIC flags for the system compiler.
    case "$host_os" in
    aix3* | aix4*)
      # All AIX code is PIC.
      link_static_flag='-bnso -bI:/lib/syscalls.exp'
      ;;
  
    hpux9* | hpux10* | hpux11*)
      # Is there a better link_static_flag that works with the bundled CC?
      wl='-Wl,'
      link_static_flag="${wl}-a ${wl}archive"
      pic_flag='+Z'
      ;;
  
    irix5* | irix6*)
      wl='-Wl,'
      link_static_flag='-non_shared'
      # PIC (with -KPIC) is the default.
      ;;
  
    cygwin* | mingw* | os2*)
      # We can build DLLs from non-PIC.
      ;;
  
    osf3* | osf4* | osf5*)
      # All OSF/1 code is PIC.
      wl='-Wl,'
      link_static_flag='-non_shared'
      ;;
  
    sco3.2v5*)
      pic_flag='-Kpic'
      link_static_flag='-dn'
      special_shlib_compile_flags='-belf'
      ;;
  
    solaris*)
      pic_flag='-KPIC'
      link_static_flag='-Bstatic'
      wl='-Wl,'
      ;;
  
    sunos4*)
      pic_flag='-PIC'
      link_static_flag='-Bstatic'
      wl='-Qoption ld '
      ;;
  
    sysv4 | sysv4.2uw2* | sysv4.3* | sysv5*)
      pic_flag='-KPIC'
      link_static_flag='-Bstatic'
      wl='-Wl,'
      ;;
  
    uts4*)
      pic_flag='-pic'
      link_static_flag='-Bstatic'
      ;;
    sysv4*MP*)
      if test -d /usr/nec ;then
        pic_flag='-Kconform_pic'
        link_static_flag='-Bstatic'
      fi
      ;;
    *)
      can_build_shared=no
      ;;
    esac
  fi
  
  if test -n "$pic_flag"; then
    echo "$ac_t$pic_flag" 1>&6
  
    # Check to make sure the pic_flag actually works.
    echo $ac_n "checking if $compiler PIC flag $pic_flag works... $ac_c" 1>&6
    $rm conftest*
    echo "int some_variable = 0;" > conftest.c
    save_CFLAGS="$CFLAGS"
    CFLAGS="$CFLAGS $pic_flag -DPIC"
    echo "$progname:776: checking if $compiler PIC flag $pic_flag works" >&5
    if { (eval echo $progname:777: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>conftest.err; } && test -s conftest.$objext; then
      # Append any warnings to the config.log.
      cat conftest.err 1>&5
      
      case "$host_os" in
      hpux9* | hpux10* | hpux11*)
        # On HP-UX, both CC and GCC only warn that PIC is supported... then they
        # create non-PIC objects.  So, if there were any warnings, we assume that
        # PIC is not supported.
        if test -s conftest.err; then
  	echo "$ac_t"no 1>&6
  	can_build_shared=no
  	pic_flag=
        else
  	echo "$ac_t"yes 1>&6
  	pic_flag=" $pic_flag"
        fi
        ;;
      *)
        echo "$ac_t"yes 1>&6
        pic_flag=" $pic_flag"
        ;;
      esac
    else
      # Append any errors to the config.log.
      cat conftest.err 1>&5
      can_build_shared=no
      pic_flag=
      echo "$ac_t"no 1>&6
    fi
    CFLAGS="$save_CFLAGS"
    $rm conftest*
  else
    echo "$ac_t"none 1>&6
  fi
  
  # Check to see if options -o and -c are simultaneously supported by compiler
  echo $ac_n "checking if $compiler supports -c -o file.o... $ac_c" 1>&6
  $rm -r conftest 2>/dev/null
  mkdir conftest
  cd conftest
  $rm conftest*
  echo "int some_variable = 0;" > conftest.c
  mkdir out
  # According to Tom Tromey, Ian Lance Taylor reported there are C compilers
  # that will create temporary files in the current directory regardless of
  # the output directory.  Thus, making CWD read-only will cause this test
  # to fail, enabling locking or at least warning the user not to do parallel
  # builds.
  chmod -w .
  save_CFLAGS="$CFLAGS"
  CFLAGS="$CFLAGS -o out/conftest2.o"
  echo "$progname:829: checking if $compiler supports -c -o file.o" >&5
  if { (eval echo $progname:830: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>out/conftest.err; } && test -s out/conftest2.o; then
  
    # The compiler can only warn and ignore the option if not recognized
    # So say no if there are warnings
      if test -s out/conftest.err; then
        echo "$ac_t"no 1>&6
        compiler_c_o=no
      else
        echo "$ac_t"yes 1>&6
        compiler_c_o=yes
      fi
  else
    # Append any errors to the config.log.
    cat out/conftest.err 1>&5
    compiler_c_o=no
    echo "$ac_t"no 1>&6
  fi
  CFLAGS="$save_CFLAGS"
  chmod u+w .
  $rm conftest* out/*
  rmdir out
  cd ..
  rmdir conftest
  $rm -r conftest 2>/dev/null
  
  if test x"$compiler_c_o" = x"yes"; then
    # Check to see if we can write to a .lo
    echo $ac_n "checking if $compiler supports -c -o file.lo... $ac_c" 1>&6
    $rm conftest*
    echo "int some_variable = 0;" > conftest.c
    save_CFLAGS="$CFLAGS"
    CFLAGS="$CFLAGS -c -o conftest.lo"
    echo "$progname:862: checking if $compiler supports -c -o file.lo" >&5
  if { (eval echo $progname:863: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>conftest.err; } && test -s conftest.lo; then
  
      # The compiler can only warn and ignore the option if not recognized
      # So say no if there are warnings
        if test -s conftest.err; then
  	echo "$ac_t"no 1>&6
  	compiler_o_lo=no
        else
  	echo "$ac_t"yes 1>&6
  	compiler_o_lo=yes
        fi
    else
      # Append any errors to the config.log.
      cat conftest.err 1>&5
      compiler_o_lo=no
      echo "$ac_t"no 1>&6
    fi
    CFLAGS="$save_CFLAGS"
    $rm conftest*
  else
    compiler_o_lo=no
  fi
  
  # Check to see if we can do hard links to lock some files if needed
  hard_links="nottested"
  if test "$compiler_c_o" = no && test "$need_locks" != no; then
    # do not overwrite the value of need_locks provided by the user
    echo $ac_n "checking if we can lock with hard links... $ac_c" 1>&6
    hard_links=yes
    $rm conftest*
    ln conftest.a conftest.b 2>/dev/null && hard_links=no
    touch conftest.a
    ln conftest.a conftest.b 2>&5 || hard_links=no
    ln conftest.a conftest.b 2>/dev/null && hard_links=no
    echo "$ac_t$hard_links" 1>&6
    $rm conftest*
    if test "$hard_links" = no; then
      echo "*** WARNING: \`$CC' does not support \`-c -o', so \`make -j' may be unsafe" >&2
      need_locks=warn
    fi
  else
    need_locks=no
  fi
  
  if test "$with_gcc" = yes; then
    # Check to see if options -fno-rtti -fno-exceptions are supported by compiler
    echo $ac_n "checking if $compiler supports -fno-rtti -fno-exceptions ... $ac_c" 1>&6
    $rm conftest*
    echo "int some_variable = 0;" > conftest.c
    save_CFLAGS="$CFLAGS"
    CFLAGS="$CFLAGS -fno-rtti -fno-exceptions -c conftest.c"
    echo "$progname:914: checking if $compiler supports -fno-rtti -fno-exceptions" >&5
    if { (eval echo $progname:915: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>conftest.err; } && test -s conftest.o; then
  
      # The compiler can only warn and ignore the option if not recognized
      # So say no if there are warnings
        if test -s conftest.err; then
  	echo "$ac_t"no 1>&6
  	compiler_rtti_exceptions=no
        else
  	echo "$ac_t"yes 1>&6
  	compiler_rtti_exceptions=yes
        fi
    else
      # Append any errors to the config.log.
      cat conftest.err 1>&5
      compiler_rtti_exceptions=no
      echo "$ac_t"no 1>&6
    fi
    CFLAGS="$save_CFLAGS"
    $rm conftest*
  
    if test "$compiler_rtti_exceptions" = "yes"; then
      no_builtin_flag=' -fno-builtin -fno-rtti -fno-exceptions'
    else
      no_builtin_flag=' -fno-builtin'
    fi
    
  fi
  
  # Check for any special shared library compilation flags.
  if test -n "$special_shlib_compile_flags"; then
    echo "$progname: warning: \`$CC' requires \`$special_shlib_compile_flags' to build shared libraries" 1>&2
    if echo "$old_CC $old_CFLAGS " | egrep -e "[ 	]$special_shlib_compile_flags[ 	]" >/dev/null; then :
    else
      echo "$progname: add \`$special_shlib_compile_flags' to the CC or CFLAGS env variable and reconfigure" 1>&2
      can_build_shared=no
    fi
  fi
  
  echo $ac_n "checking if $compiler static flag $link_static_flag works... $ac_c" 1>&6
  $rm conftest*
  echo 'main(){return(0);}' > conftest.c
  save_LDFLAGS="$LDFLAGS"
  LDFLAGS="$LDFLAGS $link_static_flag"
  echo "$progname:958: checking if $compiler static flag $link_static_flag works" >&5
  if { (eval echo $progname:959: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
    echo "$ac_t$link_static_flag" 1>&6
  else
    echo "$ac_t"none 1>&6
    link_static_flag=
  fi
  LDFLAGS="$save_LDFLAGS"
  $rm conftest*
  
  if test -z "$LN_S"; then
    # Check to see if we can use ln -s, or we need hard links.
    echo $ac_n "checking whether ln -s works... $ac_c" 1>&6
    $rm conftest.dat
    if ln -s X conftest.dat 2>/dev/null; then
      $rm conftest.dat
      LN_S="ln -s"
    else
      LN_S=ln
    fi
    if test "$LN_S" = "ln -s"; then
      echo "$ac_t"yes 1>&6
    else
      echo "$ac_t"no 1>&6
    fi
  fi
  
  # Make sure LD is an absolute path.
  if test -z "$LD"; then
    ac_prog=ld
    if test "$with_gcc" = yes; then
      # Check if gcc -print-prog-name=ld gives a path.
      echo $ac_n "checking for ld used by GCC... $ac_c" 1>&6
      echo "$progname:991: checking for ld used by GCC" >&5
      ac_prog=`($CC -print-prog-name=ld) 2>&5`
      case "$ac_prog" in
      # Accept absolute paths.
      [\\/]* | [A-Za-z]:[\\/]*)
        re_direlt='/[^/][^/]*/\.\./'
        # Canonicalize the path of ld
        ac_prog=`echo $ac_prog| sed 's%\\\\%/%g'`
        while echo $ac_prog | grep "$re_direlt" > /dev/null 2>&1; do
  	ac_prog=`echo $ac_prog| sed "s%$re_direlt%/%"`
        done
        test -z "$LD" && LD="$ac_prog"
        ;;
      "")
        # If it fails, then pretend we are not using GCC.
        ac_prog=ld
        ;;
      *)
        # If it is relative, then search for the first ld in PATH.
        with_gnu_ld=unknown
        ;;
      esac
    elif test "$with_gnu_ld" = yes; then
      echo $ac_n "checking for GNU ld... $ac_c" 1>&6
      echo "$progname:1015: checking for GNU ld" >&5
    else
      echo $ac_n "checking for non-GNU ld""... $ac_c" 1>&6
      echo "$progname:1018: checking for non-GNU ld" >&5
    fi
  
    if test -z "$LD"; then
      IFS="${IFS= 	}"; ac_save_ifs="$IFS"; IFS="${IFS}${PATH_SEPARATOR}"
      for ac_dir in $PATH; do
        test -z "$ac_dir" && ac_dir=.
        if test -f "$ac_dir/$ac_prog" || test -f "$ac_dir/$ac_prog$ac_exeext"; then
  	LD="$ac_dir/$ac_prog"
  	# Check to see if the program is GNU ld.  I'd rather use --version,
  	# but apparently some GNU ld's only accept -v.
  	# Break only if it was the GNU/non-GNU ld that we prefer.
  	if "$LD" -v 2>&1 < /dev/null | egrep '(GNU|with BFD)' > /dev/null; then
  	  test "$with_gnu_ld" != no && break
  	else
  	  test "$with_gnu_ld" != yes && break
  	fi
        fi
      done
      IFS="$ac_save_ifs"
    fi
  
    if test -n "$LD"; then
      echo "$ac_t$LD" 1>&6
    else
      echo "$ac_t"no 1>&6
    fi
  
    if test -z "$LD"; then
      echo "$progname: error: no acceptable ld found in \$PATH" 1>&2
      exit 1
    fi
  fi
  
  # Check to see if it really is or is not GNU ld.
  echo $ac_n "checking if the linker ($LD) is GNU ld... $ac_c" 1>&6
  # I'd rather use --version here, but apparently some GNU ld's only accept -v.
  if $LD -v 2>&1 </dev/null | egrep '(GNU|with BFD)' 1>&5; then
    with_gnu_ld=yes
  else
    with_gnu_ld=no
  fi
  echo "$ac_t$with_gnu_ld" 1>&6
  
  # See if the linker supports building shared libraries.
  echo $ac_n "checking whether the linker ($LD) supports shared libraries... $ac_c" 1>&6
  
  allow_undefined_flag=
  no_undefined_flag=
  need_lib_prefix=unknown
  need_version=unknown
  # when you set need_version to no, make sure it does not cause -set_version
  # flags to be left without arguments
  archive_cmds=
  archive_expsym_cmds=
  old_archive_from_new_cmds=
  export_dynamic_flag_spec=
  whole_archive_flag_spec=
  thread_safe_flag_spec=
  hardcode_libdir_flag_spec=
  hardcode_libdir_separator=
  hardcode_direct=no
  hardcode_minus_L=no
  hardcode_shlibpath_var=unsupported
  runpath_var=
  always_export_symbols=no
  export_symbols_cmds='$NM $libobjs $convenience | $global_symbol_pipe | sed '\''s/.* //'\'' | sort | uniq > $export_symbols'
  # include_expsyms should be a list of space-separated symbols to be *always*
  # included in the symbol list
  include_expsyms=
  # exclude_expsyms can be an egrep regular expression of symbols to exclude
  # it will be wrapped by ` (' and `)$', so one must not match beginning or
  # end of line.  Example: `a|bc|.*d.*' will exclude the symbols `a' and `bc',
  # as well as any symbol that contains `d'.
  exclude_expsyms="_GLOBAL_OFFSET_TABLE_"
  # Although _GLOBAL_OFFSET_TABLE_ is a valid symbol C name, most a.out
  # platforms (ab)use it in PIC code, but their linkers get confused if
  # the symbol is explicitly referenced.  Since portable code cannot
  # rely on this symbol name, it's probably fine to never include it in
  # preloaded symbol tables.
  
  case "$host_os" in
  cygwin* | mingw*)
    # FIXME: the MSVC++ port hasn't been tested in a loooong time
    # When not using gcc, we currently assume that we are using
    # Microsoft Visual C++.
    if test "$with_gcc" != yes; then
      with_gnu_ld=no
    fi
    ;;
  
  esac
  
  ld_shlibs=yes
  if test "$with_gnu_ld" = yes; then
    # If archive_cmds runs LD, not CC, wlarc should be empty
    wlarc='${wl}'
  
    # See if GNU ld supports shared libraries.
    case "$host_os" in
    aix3* | aix4*)
      # On AIX, the GNU linker is very broken
      ld_shlibs=no
      cat <<EOF 1>&2
  
  *** Warning: the GNU linker, at least up to release 2.9.1, is reported
  *** to be unable to reliably create shared libraries on AIX.
  *** Therefore, libtool is disabling shared libraries support.  If you
  *** really care for shared libraries, you may want to modify your PATH
  *** so that a non-GNU linker is found, and then restart.
  
  EOF
      ;;
  
    amigaos*)
      archive_cmds='$rm $objdir/a2ixlibrary.data~$echo "#define NAME $libname" > $objdir/a2ixlibrary.data~$echo "#define LIBRARY_ID 1" >> $objdir/a2ixlibrary.data~$echo "#define VERSION $major" >> $objdir/a2ixlibrary.data~$echo "#define REVISION $revision" >> $objdir/a2ixlibrary.data~$AR cru $lib $libobjs~$RANLIB $lib~(cd $objdir && a2ixlibrary -32)'
      hardcode_libdir_flag_spec='-L$libdir'
      hardcode_minus_L=yes
  
      # Samuel A. Falvo II <kc5tja@dolphin.openprojects.net> reports
      # that the semantics of dynamic libraries on AmigaOS, at least up
      # to version 4, is to share data among multiple programs linked
      # with the same dynamic library.  Since this doesn't match the
      # behavior of shared libraries on other platforms, we can use
      # them.
      ld_shlibs=no
      ;;
  
    beos*)
      if $LD --help 2>&1 | egrep ': supported targets:.* elf' > /dev/null; then
        allow_undefined_flag=unsupported
        # Joseph Beckenbach <jrb3@best.com> says some releases of gcc
        # support --undefined.  This deserves some investigation.  FIXME
        archive_cmds='$CC -nostart $libobjs $deplibs $linkopts ${wl}-soname $wl$soname -o $lib'
      else
        ld_shlibs=no
      fi
      ;;
  
    cygwin* | mingw*)
      # hardcode_libdir_flag_spec is actually meaningless, as there is
      # no search path for DLLs.
      hardcode_libdir_flag_spec='-L$libdir'
      allow_undefined_flag=unsupported
      always_export_symbols=yes
  
      # Extract the symbol export list from an `--export-all' def file,
      # then regenerate the def file from the symbol export list, so that
      # the compiled dll only exports the symbol export list.
      # Be careful not to strip the DATA tag left by newer dlltools.
      export_symbols_cmds='test -f $objdir/$soname-ltdll.c || sed -e "/^# \/\* ltdll\.c starts here \*\//,/^# \/\* ltdll.c ends here \*\// { s/^# //; p; }" -e d < $0 > $objdir/$soname-ltdll.c~
        test -f $objdir/$soname-ltdll.$objext || (cd $objdir && $CC -c $soname-ltdll.c)~
        $DLLTOOL --export-all --exclude-symbols DllMain@12,_cygwin_dll_entry@12,_cygwin_noncygwin_dll_entry@12 --output-def $objdir/$soname-def  $objdir/$soname-ltdll.$objext $libobjs $convenience~
        sed -e "1,/EXPORTS/d" -e "s/ @ [0-9]*//" -e "s/ *;.*$//" < $objdir/$soname-def > $export_symbols'
  
      # If DATA tags from a recent dlltool are present, honour them!
      archive_expsym_cmds='echo EXPORTS > $objdir/$soname-def~
        _lt_hint=1;
        cat $export_symbols | while read symbol; do
          set dummy \$symbol;
          case \$# in
            2) echo "	\$2 @ \$_lt_hint ; " >> $objdir/$soname-def;;
            *) echo "     \$2 @ \$_lt_hint \$3 ; " >> $objdir/$soname-def;;
          esac;
  	_lt_hint=`expr 1 + \$_lt_hint`;
        done~
        test -f $objdir/$soname-ltdll.c || sed -e "/^# \/\* ltdll\.c starts here \*\//,/^# \/\* ltdll.c ends here \*\// { s/^# //; p; }" -e d < $0 > $objdir/$soname-ltdll.c~
        test -f $objdir/$soname-ltdll.$objext || (cd $objdir && $CC -c $soname-ltdll.c)~
        $CC -Wl,--base-file,$objdir/$soname-base -Wl,--dll -nostartfiles -Wl,-e,__cygwin_dll_entry@12 -o $lib $objdir/$soname-ltdll.$objext $libobjs $deplibs $linkopts~
        $DLLTOOL --as=$AS --dllname $soname --exclude-symbols DllMain@12,_cygwin_dll_entry@12,_cygwin_noncygwin_dll_entry@12 --def $objdir/$soname-def --base-file $objdir/$soname-base --output-exp $objdir/$soname-exp~
        $CC -Wl,--base-file,$objdir/$soname-base $objdir/$soname-exp -Wl,--dll -nostartfiles -Wl,-e,__cygwin_dll_entry@12 -o $lib $objdir/$soname-ltdll.$objext $libobjs $deplibs $linkopts~
        $DLLTOOL --as=$AS --dllname $soname --exclude-symbols DllMain@12,_cygwin_dll_entry@12,_cygwin_noncygwin_dll_entry@12 --def $objdir/$soname-def --base-file $objdir/$soname-base --output-exp $objdir/$soname-exp~
        $CC $objdir/$soname-exp -Wl,--dll -nostartfiles -Wl,-e,__cygwin_dll_entry@12 -o $lib $objdir/$soname-ltdll.$objext $libobjs $deplibs $linkopts'
  
        old_archive_from_new_cmds='$DLLTOOL --as=$AS --dllname $soname --def $objdir/$soname-def --output-lib $objdir/$libname.a' 
      ;;
  
    netbsd*)
      if echo __ELF__ | $CC -E - | grep __ELF__ >/dev/null; then
        archive_cmds='$CC -shared $libobjs $deplibs $linkopts ${wl}-soname $wl$soname -o $lib'
        archive_expsym_cmds='$CC -shared $libobjs $deplibs $linkopts ${wl}-soname $wl$soname ${wl}-retain-symbols-file $wl$export_symbols -o $lib'
      else
        archive_cmds='$LD -Bshareable $libobjs $deplibs $linkopts -o $lib'
        # can we support soname and/or expsyms with a.out? -oliva
      fi
      ;;
  
    solaris* | sysv5*)
      if $LD -v 2>&1 | egrep 'BFD 2\.8' > /dev/null; then
        ld_shlibs=no
        cat <<EOF 1>&2
  
  *** Warning: The releases 2.8.* of the GNU linker cannot reliably
  *** create shared libraries on Solaris systems.  Therefore, libtool
  *** is disabling shared libraries support.  We urge you to upgrade GNU
  *** binutils to release 2.9.1 or newer.  Another option is to modify
  *** your PATH or compiler configuration so that the native linker is
  *** used, and then restart.
  
  EOF
      elif $LD --help 2>&1 | egrep ': supported targets:.* elf' > /dev/null; then
        archive_cmds='$CC -shared $libobjs $deplibs $linkopts ${wl}-soname $wl$soname -o $lib'
        archive_expsym_cmds='$CC -shared $libobjs $deplibs $linkopts ${wl}-soname $wl$soname ${wl}-retain-symbols-file $wl$export_symbols -o $lib'
      else
        ld_shlibs=no
      fi
      ;;      
  
    sunos4*)
      archive_cmds='$LD -assert pure-text -Bshareable -o $lib $libobjs $deplibs $linkopts'
      wlarc=
      hardcode_direct=yes
      hardcode_shlibpath_var=no
      ;;
  
    *)
      if $LD --help 2>&1 | egrep ': supported targets:.* elf' > /dev/null; then
        archive_cmds='$CC -shared $libobjs $deplibs $linkopts ${wl}-soname $wl$soname -o $lib'
        archive_expsym_cmds='$CC -shared $libobjs $deplibs $linkopts ${wl}-soname $wl$soname ${wl}-retain-symbols-file $wl$export_symbols -o $lib'
      else
        ld_shlibs=no
      fi
      ;;
    esac
  
    if test "$ld_shlibs" = yes; then
      runpath_var=LD_RUN_PATH
      hardcode_libdir_flag_spec='${wl}--rpath ${wl}$libdir'
      export_dynamic_flag_spec='${wl}--export-dynamic'
      case $host_os in
      cygwin* | mingw*)
        # dlltool doesn't understand --whole-archive et. al.
        whole_archive_flag_spec=
        ;;
      *)
        # ancient GNU ld didn't support --whole-archive et. al.
        if $LD --help 2>&1 | egrep 'no-whole-archive' > /dev/null; then
          whole_archive_flag_spec="$wlarc"'--whole-archive$convenience '"$wlarc"'--no-whole-archive'
        else
          whole_archive_flag_spec=
        fi
        ;;
      esac
    fi
  else
    # PORTME fill in a description of your system's linker (not GNU ld)
    case "$host_os" in
    aix3*)
      allow_undefined_flag=unsupported
      always_export_symbols=yes
      archive_expsym_cmds='$LD -o $objdir/$soname $libobjs $deplibs $linkopts -bE:$export_symbols -T512 -H512 -bM:SRE~$AR cru $lib $objdir/$soname'
      # Note: this linker hardcodes the directories in LIBPATH if there
      # are no directories specified by -L.
      hardcode_minus_L=yes
      if test "$with_gcc" = yes && test -z "$link_static_flag"; then
        # Neither direct hardcoding nor static linking is supported with a
        # broken collect2.
        hardcode_direct=unsupported
      fi
      ;;
  
    aix4*)
      hardcode_libdir_flag_spec='${wl}-b ${wl}nolibpath ${wl}-b ${wl}libpath:$libdir:/usr/lib:/lib'
      hardcode_libdir_separator=':'
      if test "$with_gcc" = yes; then
        collect2name=`${CC} -print-prog-name=collect2`
        if test -f "$collect2name" && \
  	 strings "$collect2name" | grep resolve_lib_name >/dev/null
        then
  	# We have reworked collect2
  	hardcode_direct=yes
        else
  	# We have old collect2
  	hardcode_direct=unsupported
  	# It fails to find uninstalled libraries when the uninstalled
  	# path is not listed in the libpath.  Setting hardcode_minus_L
  	# to unsupported forces relinking
  	hardcode_minus_L=yes
  	hardcode_libdir_flag_spec='-L$libdir'
  	hardcode_libdir_separator=
        fi
        shared_flag='-shared'
      else
        shared_flag='${wl}-bM:SRE'
        hardcode_direct=yes
      fi
      allow_undefined_flag=' ${wl}-berok'
      archive_cmds="\$CC $shared_flag"' -o $objdir/$soname $libobjs $deplibs $linkopts ${wl}-bexpall ${wl}-bnoentry${allow_undefined_flag}'
      archive_expsym_cmds="\$CC $shared_flag"' -o $objdir/$soname $libobjs $deplibs $linkopts ${wl}-bE:$export_symbols ${wl}-bnoentry${allow_undefined_flag}'
      case "$host_os" in aix4.[01]|aix4.[01].*)
        # According to Greg Wooledge, -bexpall is only supported from AIX 4.2 on
        always_export_symbols=yes ;;
      esac
     ;;
  
    amigaos*)
      archive_cmds='$rm $objdir/a2ixlibrary.data~$echo "#define NAME $libname" > $objdir/a2ixlibrary.data~$echo "#define LIBRARY_ID 1" >> $objdir/a2ixlibrary.data~$echo "#define VERSION $major" >> $objdir/a2ixlibrary.data~$echo "#define REVISION $revision" >> $objdir/a2ixlibrary.data~$AR cru $lib $libobjs~$RANLIB $lib~(cd $objdir && a2ixlibrary -32)'
      hardcode_libdir_flag_spec='-L$libdir'
      hardcode_minus_L=yes
      # see comment about different semantics on the GNU ld section
      ld_shlibs=no
      ;;
  
    cygwin* | mingw*)
      # When not using gcc, we currently assume that we are using
      # Microsoft Visual C++.
      # hardcode_libdir_flag_spec is actually meaningless, as there is
      # no search path for DLLs.
      hardcode_libdir_flag_spec=' '
      allow_undefined_flag=unsupported
      # Tell ltmain to make .lib files, not .a files.
      libext=lib
      # FIXME: Setting linknames here is a bad hack.
      archive_cmds='$CC -o $lib $libobjs $linkopts `echo "$deplibs" | sed -e '\''s/ -lc$//'\''` -link -dll~linknames='
      # The linker will automatically build a .lib file if we build a DLL.
      old_archive_from_new_cmds='true'
      # FIXME: Should let the user specify the lib program.
      old_archive_cmds='lib /OUT:$oldlib$oldobjs'
      fix_srcfile_path='`cygpath -w $srcfile`'
      ;;
  
    freebsd1*)
      ld_shlibs=no
      ;;
  
    # FreeBSD 2.2.[012] allows us to include c++rt0.o to get C++ constructor
    # support.  Future versions do this automatically, but an explicit c++rt0.o
    # does not break anything, and helps significantly (at the cost of a little
    # extra space).
    freebsd2.2*)
      archive_cmds='$LD -Bshareable -o $lib $libobjs $deplibs $linkopts /usr/lib/c++rt0.o'
      hardcode_libdir_flag_spec='-R$libdir'
      hardcode_direct=yes
      hardcode_shlibpath_var=no
      ;;
  
    # Unfortunately, older versions of FreeBSD 2 do not have this feature.
    freebsd2*)
      archive_cmds='$LD -Bshareable -o $lib $libobjs $deplibs $linkopts'
      hardcode_direct=yes
      hardcode_minus_L=yes
      hardcode_shlibpath_var=no
      ;;
  
    # FreeBSD 3 and greater uses gcc -shared to do shared libraries.
    freebsd*)
      archive_cmds='$CC -shared -o $lib $libobjs $deplibs $linkopts'
      hardcode_libdir_flag_spec='-R$libdir'
      hardcode_direct=yes
      hardcode_shlibpath_var=no
      ;;
  
    hpux9* | hpux10* | hpux11*)
      case "$host_os" in
      hpux9*) archive_cmds='$rm $objdir/$soname~$LD -b +b $install_libdir -o $objdir/$soname $libobjs $deplibs $linkopts~test $objdir/$soname = $lib || mv $objdir/$soname $lib' ;;
      *) archive_cmds='$LD -b +h $soname +b $install_libdir -o $lib $libobjs $deplibs $linkopts' ;;
      esac
      hardcode_libdir_flag_spec='${wl}+b ${wl}$libdir'
      hardcode_libdir_separator=:
      hardcode_direct=yes
      hardcode_minus_L=yes # Not in the search PATH, but as the default
  			 # location of the library.
      export_dynamic_flag_spec='${wl}-E'
      ;;
  
    irix5* | irix6*)
      if test "$with_gcc" = yes; then
        archive_cmds='$CC -shared $libobjs $deplibs $linkopts ${wl}-soname ${wl}$soname `test -n "$verstring" && echo ${wl}-set_version ${wl}$verstring` ${wl}-update_registry ${wl}${output_objdir}/so_locations -o $lib'
      else
        archive_cmds='$LD -shared $libobjs $deplibs $linkopts -soname $soname `test -n "$verstring" && echo -set_version $verstring` -update_registry ${output_objdir}/so_locations -o $lib'
      fi
      hardcode_libdir_flag_spec='${wl}-rpath ${wl}$libdir'
      hardcode_libdir_separator=:
      ;;
  
    netbsd*)
      if echo __ELF__ | $CC -E - | grep __ELF__ >/dev/null; then
        archive_cmds='$LD -Bshareable -o $lib $libobjs $deplibs $linkopts'  # a.out
      else
        archive_cmds='$LD -shared -o $lib $libobjs $deplibs $linkopts'      # ELF
      fi
      hardcode_libdir_flag_spec='${wl}-R$libdir'
      hardcode_direct=yes
      hardcode_shlibpath_var=no
      ;;
  
    openbsd*)
      archive_cmds='$LD -Bshareable -o $lib $libobjs $deplibs $linkopts'
      hardcode_libdir_flag_spec='-R$libdir'
      hardcode_direct=yes
      hardcode_shlibpath_var=no
      ;;
  
    os2*)
      hardcode_libdir_flag_spec='-L$libdir'
      hardcode_minus_L=yes
      allow_undefined_flag=unsupported
      archive_cmds='$echo "LIBRARY $libname INITINSTANCE" > $objdir/$libname.def~$echo "DESCRIPTION \"$libname\"" >> $objdir/$libname.def~$echo DATA >> $objdir/$libname.def~$echo " SINGLE NONSHARED" >> $objdir/$libname.def~$echo EXPORTS >> $objdir/$libname.def~emxexp $libobjs >> $objdir/$libname.def~$CC -Zdll -Zcrtdll -o $lib $libobjs $deplibs $linkopts $objdir/$libname.def'
      old_archive_from_new_cmds='emximp -o $objdir/$libname.a $objdir/$libname.def'
      ;;
  
    osf3*)
      if test "$with_gcc" = yes; then
        allow_undefined_flag=' ${wl}-expect_unresolved ${wl}\*'
        archive_cmds='$CC -shared${allow_undefined_flag} $libobjs $deplibs $linkopts ${wl}-soname ${wl}$soname `test -n "$verstring" && echo ${wl}-set_version ${wl}$verstring` ${wl}-update_registry ${wl}${output_objdir}/so_locations -o $lib'
      else
        allow_undefined_flag=' -expect_unresolved \*'
        archive_cmds='$LD -shared${allow_undefined_flag} $libobjs $deplibs $linkopts -soname $soname `test -n "$verstring" && echo -set_version $verstring` -update_registry ${output_objdir}/so_locations -o $lib'
      fi
      hardcode_libdir_flag_spec='${wl}-rpath ${wl}$libdir'
      hardcode_libdir_separator=:
      ;;
  
    osf4* | osf5*)  # As osf3* with the addition of the -msym flag
      if test "$with_gcc" = yes; then
        allow_undefined_flag=' ${wl}-expect_unresolved ${wl}\*'
        archive_cmds='$CC -shared${allow_undefined_flag} $libobjs $deplibs $linkopts ${wl}-msym ${wl}-soname ${wl}$soname `test -n "$verstring" && echo ${wl}-set_version ${wl}$verstring` ${wl}-update_registry ${wl}${output_objdir}/so_locations -o $lib'
      else
        allow_undefined_flag=' -expect_unresolved \*'
        archive_cmds='$LD -shared${allow_undefined_flag} $libobjs $deplibs $linkopts -msym -soname $soname `test -n "$verstring" && echo -set_version $verstring` -update_registry ${output_objdir}/so_locations -o $lib'
      fi
      hardcode_libdir_flag_spec='${wl}-rpath ${wl}$libdir'
      hardcode_libdir_separator=:
      ;;
    rhapsody*)
      archive_cmds='$CC -bundle -undefined suppress -o $lib $libobjs $deplibs $linkopts'
      hardcode_libdir_flags_spec='-L$libdir'
      hardcode_direct=yes
      hardcode_shlibpath_var=no
      ;;
                                         
    sco3.2v5*)
      archive_cmds='$LD -G -h $soname -o $lib $libobjs $deplibs $linkopts'
      hardcode_shlibpath_var=no
      runpath_var=LD_RUN_PATH
      hardcode_runpath_var=yes
      ;;
  
    solaris*)
      no_undefined_flag=' -z text'
      # $CC -shared without GNU ld will not create a library from C++
      # object files and a static libstdc++, better avoid it by now
      archive_cmds='$LD -G${allow_undefined_flag} -h $soname -o $lib $libobjs $deplibs $linkopts'
      archive_expsym_cmds='$echo "{ global:" > $lib.exp~cat $export_symbols | sed -e "s/\(.*\)/\1;/" >> $lib.exp~$echo "local: *; };" >> $lib.exp~
  		$LD -G${allow_undefined_flag} -M $lib.exp -h $soname -o $lib $libobjs $deplibs $linkopts~$rm $lib.exp'
      hardcode_libdir_flag_spec='-R$libdir'
      hardcode_shlibpath_var=no
      case "$host_os" in
      solaris2.[0-5] | solaris2.[0-5].*) ;;
      *) # Supported since Solaris 2.6 (maybe 2.5.1?)
        whole_archive_flag_spec='-z allextract$convenience -z defaultextract' ;;
      esac
      ;;
  
    sunos4*)
      archive_cmds='$LD -assert pure-text -Bstatic -o $lib $libobjs $deplibs $linkopts'
      hardcode_libdir_flag_spec='-L$libdir'
      hardcode_direct=yes
      hardcode_minus_L=yes
      hardcode_shlibpath_var=no
      ;;
  
    sysv4)
      if test "x$host_vendor" = xsequent; then
        # Use $CC to link under sequent, because it throws in some extra .o 
        # files that make .init and .fini sections work.
        archive_cmds='$CC -G ${wl}-h $soname -o $lib $libobjs $deplibs $linkopts'
      else
        archive_cmds='$LD -G -h $soname -o $lib $libobjs $deplibs $linkopts'
      fi
      runpath_var='LD_RUN_PATH'
      hardcode_shlibpath_var=no
      hardcode_direct=no #Motorola manual says yes, but my tests say they lie 
      ;;  
  
    sysv4.3*)
      archive_cmds='$LD -G -h $soname -o $lib $libobjs $deplibs $linkopts'
      hardcode_shlibpath_var=no
      export_dynamic_flag_spec='-Bexport'
      ;;
  
    sysv5*)
      no_undefined_flag=' -z text'
      # $CC -shared without GNU ld will not create a library from C++
      # object files and a static libstdc++, better avoid it by now
      archive_cmds='$LD -G${allow_undefined_flag} -h $soname -o $lib $libobjs $deplibs $linkopts'
      archive_expsym_cmds='$echo "{ global:" > $lib.exp~cat $export_symbols | sed -e "s/\(.*\)/\1;/" >> $lib.exp~$echo "local: *; };" >> $lib.exp~
  		$LD -G${allow_undefined_flag} -M $lib.exp -h $soname -o $lib $libobjs $deplibs $linkopts~$rm $lib.exp'
      hardcode_libdir_flag_spec=
      hardcode_shlibpath_var=no
      runpath_var='LD_RUN_PATH'
      ;;
  
    uts4*)
      archive_cmds='$LD -G -h $soname -o $lib $libobjs $deplibs $linkopts'
      hardcode_libdir_flag_spec='-L$libdir'
      hardcode_shlibpath_var=no
      ;;
  
    dgux*)
      archive_cmds='$LD -G -h $soname -o $lib $libobjs $deplibs $linkopts'
      hardcode_libdir_flag_spec='-L$libdir'
      hardcode_shlibpath_var=no
      ;;
  
    sysv4*MP*)
      if test -d /usr/nec; then
        archive_cmds='$LD -G -h $soname -o $lib $libobjs $deplibs $linkopts'
        hardcode_shlibpath_var=no
        runpath_var=LD_RUN_PATH
        hardcode_runpath_var=yes
        ld_shlibs=yes
      fi
      ;;
  
    sysv4.2uw2*)
      archive_cmds='$LD -G -o $lib $libobjs $deplibs $linkopts'
      hardcode_direct=yes
      hardcode_minus_L=no
      hardcode_shlibpath_var=no
      hardcode_runpath_var=yes
      runpath_var=LD_RUN_PATH
      ;;
  
    unixware7*)
      archive_cmds='$LD -G -h $soname -o $lib $libobjs $deplibs $linkopts'
      runpath_var='LD_RUN_PATH'
      hardcode_shlibpath_var=no
      ;;
  
    *)
      ld_shlibs=no
      ;;
    esac
  fi
  echo "$ac_t$ld_shlibs" 1>&6
  test "$ld_shlibs" = no && can_build_shared=no
  
  if test -z "$NM"; then
    echo $ac_n "checking for BSD-compatible nm... $ac_c" 1>&6
    case "$NM" in
    [\\/]* | [A-Za-z]:[\\/]*) ;; # Let the user override the test with a path.
    *)
      IFS="${IFS= 	}"; ac_save_ifs="$IFS"; IFS="${IFS}${PATH_SEPARATOR}"
      for ac_dir in $PATH /usr/ucb /usr/ccs/bin /bin; do
        test -z "$ac_dir" && ac_dir=.
        if test -f $ac_dir/nm || test -f $ac_dir/nm$ac_exeext; then
  	# Check to see if the nm accepts a BSD-compat flag.
  	# Adding the `sed 1q' prevents false positives on HP-UX, which says:
  	#   nm: unknown option "B" ignored
  	if ($ac_dir/nm -B /dev/null 2>&1 | sed '1q'; exit 0) | egrep /dev/null >/dev/null; then
  	  NM="$ac_dir/nm -B"
  	  break
  	elif ($ac_dir/nm -p /dev/null 2>&1 | sed '1q'; exit 0) | egrep /dev/null >/dev/null; then
  	  NM="$ac_dir/nm -p"
  	  break
  	else
  	  NM=${NM="$ac_dir/nm"} # keep the first match, but
  	  continue # so that we can try to find one that supports BSD flags
  	fi
        fi
      done
      IFS="$ac_save_ifs"
      test -z "$NM" && NM=nm
      ;;
    esac
    echo "$ac_t$NM" 1>&6
  fi
  
  # Check for command to grab the raw symbol name followed by C symbol from nm.
  echo $ac_n "checking command to parse $NM output... $ac_c" 1>&6
  
  # These are sane defaults that work on at least a few old systems.
  # [They come from Ultrix.  What could be older than Ultrix?!! ;)]
  
  # Character class describing NM global symbol codes.
  symcode='[BCDEGRST]'
  
  # Regexp to match symbols that can be accessed directly from C.
  sympat='\([_A-Za-z][_A-Za-z0-9]*\)'
  
  # Transform the above into a raw symbol and a C symbol.
  symxfrm='\1 \2\3 \3'
  
  # Transform an extracted symbol line into a proper C declaration
  global_symbol_to_cdecl="sed -n -e 's/^. .* \(.*\)$/extern char \1;/p'"
  
  # Define system-specific variables.
  case "$host_os" in
  aix*)
    symcode='[BCDT]'
    ;;
  cygwin* | mingw*)
    symcode='[ABCDGISTW]'
    ;;
  hpux*) # Its linker distinguishes data from code symbols
    global_symbol_to_cdecl="sed -n -e 's/^T .* \(.*\)$/extern char \1();/p' -e 's/^. .* \(.*\)$/extern char \1;/p'"
    ;;
  irix*)
    symcode='[BCDEGRST]'
    ;;
  solaris*)
    symcode='[BDT]'
    ;;
  sysv4)
    symcode='[DFNSTU]'
    ;;
  esac
  
  # If we're using GNU nm, then use its standard symbol codes.
  if $NM -V 2>&1 | egrep '(GNU|with BFD)' > /dev/null; then
    symcode='[ABCDGISTW]'
  fi
  
  # Try without a prefix undercore, then with it.
  for ac_symprfx in "" "_"; do
  
    # Write the raw and C identifiers.
    global_symbol_pipe="sed -n -e 's/^.*[ 	]\($symcode\)[ 	][ 	]*\($ac_symprfx\)$sympat$/$symxfrm/p'"
  
    # Check to see that the pipe works correctly.
    pipe_works=no
    $rm conftest*
    cat > conftest.c <<EOF
  #ifdef __cplusplus
  extern "C" {
  #endif
  char nm_test_var;
  void nm_test_func(){}
  #ifdef __cplusplus
  }
  #endif
  main(){nm_test_var='a';nm_test_func();return(0);}
  EOF
  
    echo "$progname:1653: checking if global_symbol_pipe works" >&5
    if { (eval echo $progname:1654: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; } && test -s conftest.$objext; then
      # Now try to grab the symbols.
      nlist=conftest.nm
      if { echo "$progname:1657: eval \"$NM conftest.$objext | $global_symbol_pipe > $nlist\"" >&5; eval "$NM conftest.$objext | $global_symbol_pipe > $nlist 2>&5"; } && test -s "$nlist"; then
  
        # Try sorting and uniquifying the output.
        if sort "$nlist" | uniq > "$nlist"T; then
  	mv -f "$nlist"T "$nlist"
        else
  	rm -f "$nlist"T
        fi
  
        # Make sure that we snagged all the symbols we need.
        if egrep ' nm_test_var$' "$nlist" >/dev/null; then
  	if egrep ' nm_test_func$' "$nlist" >/dev/null; then
  	  cat <<EOF > conftest.c
  #ifdef __cplusplus
  extern "C" {
  #endif
  
  EOF
  	  # Now generate the symbol file.
  	  eval "$global_symbol_to_cdecl"' < "$nlist" >> conftest.c'
  
  	  cat <<EOF >> conftest.c
  #if defined (__STDC__) && __STDC__
  # define lt_ptr_t void *
  #else
  # define lt_ptr_t char *
  # define const
  #endif
  
  /* The mapping between symbol names and symbols. */
  const struct {
    const char *name;
    lt_ptr_t address;
  }
  lt_preloaded_symbols[] =
  {
  EOF
  	  sed 's/^. \(.*\) \(.*\)$/  {"\2", (lt_ptr_t) \&\2},/' < "$nlist" >> conftest.c
  	  cat <<\EOF >> conftest.c
    {0, (lt_ptr_t) 0}
  };
  
  #ifdef __cplusplus
  }
  #endif
  EOF
  	  # Now try linking the two files.
  	  mv conftest.$objext conftstm.$objext
  	  save_LIBS="$LIBS"
  	  save_CFLAGS="$CFLAGS"
  	  LIBS="conftstm.$objext"
  	  CFLAGS="$CFLAGS$no_builtin_flag"
  	  if { (eval echo $progname:1709: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
  	    pipe_works=yes
  	  else
  	    echo "$progname: failed program was:" >&5
  	    cat conftest.c >&5
  	  fi
  	  LIBS="$save_LIBS"
  	else
  	  echo "cannot find nm_test_func in $nlist" >&5
  	fi
        else
  	echo "cannot find nm_test_var in $nlist" >&5
        fi
      else
        echo "cannot run $global_symbol_pipe" >&5
      fi
    else
      echo "$progname: failed program was:" >&5
      cat conftest.c >&5
    fi
    $rm conftest* conftst*
  
    # Do not use the global_symbol_pipe unless it works.
    if test "$pipe_works" = yes; then
      break
    else
      global_symbol_pipe=
    fi
  done
  if test "$pipe_works" = yes; then
    echo "${ac_t}ok" 1>&6
  else
    echo "${ac_t}failed" 1>&6
  fi
  
  if test -z "$global_symbol_pipe"; then
    global_symbol_to_cdecl=
  fi
  
  # Check hardcoding attributes.
  echo $ac_n "checking how to hardcode library paths into programs... $ac_c" 1>&6
  hardcode_action=
  if test -n "$hardcode_libdir_flag_spec" || \
     test -n "$runpath_var"; then
  
    # We can hardcode non-existant directories.
    if test "$hardcode_direct" != no &&
       # If the only mechanism to avoid hardcoding is shlibpath_var, we
       # have to relink, otherwise we might link with an installed library
       # when we should be linking with a yet-to-be-installed one
       ## test "$hardcode_shlibpath_var" != no &&
       test "$hardcode_minus_L" != no; then
      # Linking always hardcodes the temporary library directory.
      hardcode_action=relink
    else
      # We can link without hardcoding, and we can hardcode nonexisting dirs.
      hardcode_action=immediate
    fi
  else
    # We cannot hardcode anything, or else we can only hardcode existing
    # directories.
    hardcode_action=unsupported
  fi
  echo "$ac_t$hardcode_action" 1>&6
  
  
  reload_flag=
  reload_cmds='$LD$reload_flag -o $output$reload_objs'
  echo $ac_n "checking for $LD option to reload object files... $ac_c" 1>&6
  # PORTME Some linkers may need a different reload flag.
  reload_flag='-r'
  echo "$ac_t$reload_flag" 1>&6
  test -n "$reload_flag" && reload_flag=" $reload_flag"
  
  # PORTME Fill in your ld.so characteristics
  library_names_spec=
  libname_spec='lib$name'
  soname_spec=
  postinstall_cmds=
  postuninstall_cmds=
  finish_cmds=
  finish_eval=
  shlibpath_var=
  shlibpath_overrides_runpath=unknown
  version_type=none
  dynamic_linker="$host_os ld.so"
  sys_lib_dlsearch_path_spec="/lib /usr/lib"
  sys_lib_search_path_spec="/lib /usr/lib /usr/local/lib"
  file_magic_cmd=
  file_magic_test_file=
  deplibs_check_method='unknown'
  # Need to set the preceding variable on all platforms that support
  # interlibrary dependencies.
  # 'none' -- dependencies not supported.
  # `unknown' -- same as none, but documents that we really don't know.
  # 'pass_all' -- all dependencies passed with no checks.
  # 'test_compile' -- check by making test program.
  # 'file_magic [regex]' -- check by looking for files in library path
  # which responds to the $file_magic_cmd with a given egrep regex.
  # If you have `file' or equivalent on your system and you're not sure
  # whether `pass_all' will *always* work, you probably want this one.
  echo $ac_n "checking dynamic linker characteristics... $ac_c" 1>&6
  case "$host_os" in
  aix3*)
    version_type=linux
    library_names_spec='${libname}${release}.so$versuffix $libname.a'
    shlibpath_var=LIBPATH
  
    # AIX has no versioning support, so we append a major version to the name.
    soname_spec='${libname}${release}.so$major'
    ;;
  
  aix4*)
    version_type=linux
    # AIX has no versioning support, so currently we can not hardcode correct
    # soname into executable. Probably we can add versioning support to
    # collect2, so additional links can be useful in future.
    # We preserve .a as extension for shared libraries though AIX4.2
    # and later linker supports .so
    library_names_spec='${libname}${release}.so$versuffix ${libname}${release}.so$major $libname.a'
    shlibpath_var=LIBPATH
    deplibs_check_method=pass_all
    ;;
  
  amigaos*)
    library_names_spec='$libname.ixlibrary $libname.a'
    # Create ${libname}_ixlibrary.a entries in /sys/libs.
    finish_eval='for lib in `ls $libdir/*.ixlibrary 2>/dev/null`; do libname=`$echo "X$lib" | $Xsed -e '\''s%^.*/\([^/]*\)\.ixlibrary$%\1%'\''`; test $rm /sys/libs/${libname}_ixlibrary.a; $show "(cd /sys/libs && $LN_S $lib ${libname}_ixlibrary.a)"; (cd /sys/libs && $LN_S $lib ${libname}_ixlibrary.a) || exit 1; done'
    ;;
  
  beos*)
    library_names_spec='${libname}.so'
    dynamic_linker="$host_os ld.so"
    shlibpath_var=LIBRARY_PATH
    deplibs_check_method=pass_all
    lt_cv_dlopen="load_add_on"
    lt_cv_dlopen_libs=
    lt_cv_dlopen_self=yes
    ;;
  
  bsdi4*)
    version_type=linux
    need_version=no
    library_names_spec='${libname}${release}.so$versuffix ${libname}${release}.so$major $libname.so'
    soname_spec='${libname}${release}.so$major'
    finish_cmds='PATH="\$PATH:/sbin" ldconfig $libdir'
    shlibpath_var=LD_LIBRARY_PATH
    deplibs_check_method='file_magic ELF [0-9][0-9]*-bit [ML]SB (shared object|dynamic lib)'
    file_magic_cmd=/usr/bin/file
    file_magic_test_file=/shlib/libc.so
    sys_lib_search_path_spec="/shlib /usr/lib /usr/X11/lib /usr/contrib/lib /lib /usr/local/lib"
    sys_lib_dlsearch_path_spec="/shlib /usr/lib /usr/local/lib"
    export_dynamic_flag_spec=-rdynamic
    # the default ld.so.conf also contains /usr/contrib/lib and
    # /usr/X11R6/lib (/usr/X11 is a link to /usr/X11R6), but let us allow
    # libtool to hard-code these into programs
    ;;
  
  cygwin* | mingw*)
    version_type=windows
    need_version=no
    need_lib_prefix=no
    if test "$with_gcc" = yes; then
      library_names_spec='${libname}`echo ${release} | sed -e 's/[.]/-/g'`${versuffix}.dll $libname.a'
    else
      library_names_spec='${libname}`echo ${release} | sed -e 's/[.]/-/g'`${versuffix}.dll $libname.lib'
    fi
    dynamic_linker='Win32 ld.exe'
    deplibs_check_method='file_magic file format pei*-i386(.*architecture: i386)?'
    file_magic_cmd='${OBJDUMP} -f'
    # FIXME: first we should search . and the directory the executable is in
    shlibpath_var=PATH
    lt_cv_dlopen="LoadLibrary"
    lt_cv_dlopen_libs=
    ;;
  
  freebsd1*)
    dynamic_linker=no
    ;;
    
  freebsd*)
    objformat=`test -x /usr/bin/objformat && /usr/bin/objformat || echo aout`
    version_type=freebsd-$objformat
    case "$version_type" in
      freebsd-elf*)
        deplibs_check_method='file_magic ELF [0-9][0-9]*-bit [LM]SB shared object'
        file_magic_cmd=/usr/bin/file
        file_magic_test_file=`echo /usr/lib/libc.so*`
        library_names_spec='${libname}${release}.so$versuffix ${libname}${release}.so $libname.so'
        need_version=no
        need_lib_prefix=no
        ;;
      freebsd-*)
        deplibs_check_method=unknown
        library_names_spec='${libname}${release}.so$versuffix $libname.so$versuffix'
        need_version=yes
        ;;
    esac
    shlibpath_var=LD_LIBRARY_PATH
    case "$host_os" in
    freebsd2* | freebsd3.[01]* | freebsdelf3.[01]*)
      shlibpath_overrides_runpath=yes
      ;;
    *) # from 3.2 on
      shlibpath_overrides_runpath=no
      ;;
    esac
    ;;
  
  gnu*)
    version_type=linux
    need_lib_prefix=no
    need_version=no
    library_names_spec='${libname}${release}.so$versuffix ${libname}${release}.so${major} ${libname}.so'
    soname_spec='${libname}${release}.so$major'
    shlibpath_var=LD_LIBRARY_PATH
    ;;
  
  hpux9* | hpux10* | hpux11*)
    # Give a soname corresponding to the major version so that dld.sl refuses to
    # link against other versions.
    dynamic_linker="$host_os dld.sl"
    version_type=sunos
    need_lib_prefix=no
    need_version=no
    shlibpath_var=SHLIB_PATH
    shlibpath_overrides_runpath=no # +s is required to enable SHLIB_PATH
    library_names_spec='${libname}${release}.sl$versuffix ${libname}${release}.sl$major $libname.sl'
    soname_spec='${libname}${release}.sl$major'
    # HP-UX runs *really* slowly unless shared libraries are mode 555.
    postinstall_cmds='chmod 555 $lib'
    case "$host_os" in
    hpux10.20*)
      # TODO:  Does this work for hpux-11 too?
      deplibs_check_method='file_magic (s[0-9][0-9][0-9]|PA-RISC[0-9].[0-9]) shared library'
      file_magic_cmd=/usr/bin/file
      file_magic_test_file=/usr/lib/libc.sl
      ;;
    esac
    ;;
  
  irix5* | irix6*)
    version_type=irix
    need_lib_prefix=no
    need_version=no
    soname_spec='${libname}${release}.so.$major'
    library_names_spec='${libname}${release}.so.$versuffix ${libname}${release}.so.$major ${libname}${release}.so $libname.so'
    case "$host_os" in
    irix5*)
      libsuff= shlibsuff=
      # this will be overridden with pass_all, but let us keep it just in case
      deplibs_check_method="file_magic ELF 32-bit MSB dynamic lib MIPS - version 1"
      ;;
    *)
      case "$LD" in # libtool.m4 will add one of these switches to LD
      *-32|*"-32 ") libsuff= shlibsuff= libmagic=32-bit;;
      *-n32|*"-n32 ") libsuff=32 shlibsuff=N32 libmagic=N32;;
      *-64|*"-64 ") libsuff=64 shlibsuff=64 libmagic=64-bit;;
      *) libsuff= shlibsuff= libmagic=never-match;;
      esac
      ;;
    esac
    shlibpath_var=LD_LIBRARY${shlibsuff}_PATH
    shlibpath_overrides_runpath=no
    sys_lib_search_path_spec="/usr/lib${libsuff} /lib${libsuff} /usr/local/lib${libsuff}"
    sys_lib_dlsearch_path_spec="/usr/lib${libsuff} /lib${libsuff}"
    file_magic_cmd=/usr/bin/file
    file_magic_test_file=`echo /lib${libsuff}/libc.so*`
    deplibs_check_method='pass_all'
    ;;
  
  # No shared lib support for Linux oldld, aout, or coff.
  linux-gnuoldld* | linux-gnuaout* | linux-gnucoff*)
    dynamic_linker=no
    ;;
  
  # This must be Linux ELF.
  linux-gnu*)
    version_type=linux
    need_lib_prefix=no
    need_version=no
    library_names_spec='${libname}${release}.so$versuffix ${libname}${release}.so$major $libname.so'
    soname_spec='${libname}${release}.so$major'
    finish_cmds='PATH="\$PATH:/sbin" ldconfig -n $libdir'
    shlibpath_var=LD_LIBRARY_PATH
    shlibpath_overrides_runpath=no
    deplibs_check_method=pass_all
  
    if test -f /lib/ld.so.1; then
      dynamic_linker='GNU ld.so'
    else
      # Only the GNU ld.so supports shared libraries on MkLinux.
      case "$host_cpu" in
      powerpc*) dynamic_linker=no ;;
      *) dynamic_linker='Linux ld.so' ;;
      esac
    fi
    ;;
  
  netbsd*)
    version_type=sunos
    if echo __ELF__ | $CC -E - | grep __ELF__ >/dev/null; then
      library_names_spec='${libname}${release}.so$versuffix ${libname}.so$versuffix'
      finish_cmds='PATH="\$PATH:/sbin" ldconfig -m $libdir'
      dynamic_linker='NetBSD (a.out) ld.so'
    else
      library_names_spec='${libname}${release}.so$versuffix ${libname}${release}.so$major ${libname}${release}.so ${libname}.so'
      soname_spec='${libname}${release}.so$major'
      dynamic_linker='NetBSD ld.elf_so'
    fi
    shlibpath_var=LD_LIBRARY_PATH
    ;;
  
  openbsd*)
    version_type=sunos
    if test "$with_gnu_ld" = yes; then
      need_lib_prefix=no
      need_version=no
    fi
    library_names_spec='${libname}${release}.so$versuffix ${libname}.so$versuffix'
    finish_cmds='PATH="\$PATH:/sbin" ldconfig -m $libdir'
    shlibpath_var=LD_LIBRARY_PATH
    ;;
  
  os2*)
    libname_spec='$name'
    need_lib_prefix=no
    library_names_spec='$libname.dll $libname.a'
    dynamic_linker='OS/2 ld.exe'
    shlibpath_var=LIBPATH
    ;;
  
  osf3* | osf4* | osf5*)
    version_type=osf
    need_version=no
    soname_spec='${libname}${release}.so'
    library_names_spec='${libname}${release}.so$versuffix ${libname}${release}.so $libname.so'
    shlibpath_var=LD_LIBRARY_PATH
    # this will be overridden with pass_all, but let us keep it just in case
    deplibs_check_method='file_magic COFF format alpha shared library'
    file_magic_cmd=/usr/bin/file
    file_magic_test_file=/shlib/libc.so
    deplibs_check_method='pass_all'
    sys_lib_search_path_spec="/usr/shlib /usr/ccs/lib /usr/lib/cmplrs/cc /usr/lib /usr/local/lib /var/shlib"
    sys_lib_dlsearch_path_spec="$sys_lib_search_path_spec"
    ;;
  
  rhapsody*)
    version_type=sunos
    library_names_spec='${libname}.so'
    soname_spec='${libname}.so'
    shlibpath_var=DYLD_LIBRARY_PATH
    deplibs_check_method=pass_all
    ;;
  
  sco3.2v5*)
    version_type=osf
    soname_spec='${libname}${release}.so$major'
    library_names_spec='${libname}${release}.so$versuffix ${libname}${release}.so$major $libname.so'
    shlibpath_var=LD_LIBRARY_PATH
    ;;
  
  solaris*)
    version_type=linux
    need_lib_prefix=no
    need_version=no
    library_names_spec='${libname}${release}.so$versuffix ${libname}${release}.so$major $libname.so'
    soname_spec='${libname}${release}.so$major'
    shlibpath_var=LD_LIBRARY_PATH
    shlibpath_overrides_runpath=yes
    # ldd complains unless libraries are executable
    postinstall_cmds='chmod +x $lib'
    deplibs_check_method="file_magic ELF [0-9][0-9]-bit [LM]SB dynamic lib"
    file_magic_cmd=/usr/bin/file
    file_magic_test_file=/lib/libc.so
    ;;
  
  sunos4*)
    version_type=sunos
    library_names_spec='${libname}${release}.so$versuffix ${libname}.so$versuffix'
    finish_cmds='PATH="\$PATH:/usr/etc" ldconfig $libdir'
    shlibpath_var=LD_LIBRARY_PATH
    shlibpath_overrides_runpath=yes
    if test "$with_gnu_ld" = yes; then
      need_lib_prefix=no
    fi
    need_version=yes
    ;;
  
  sysv4 | sysv4.2uw2* | sysv4.3* | sysv5*)
    version_type=linux
    library_names_spec='${libname}${release}.so$versuffix ${libname}${release}.so$major $libname.so'
    soname_spec='${libname}${release}.so$major'
    shlibpath_var=LD_LIBRARY_PATH
    case "$host_vendor" in
      sequent)
        file_magic_cmd='/bin/file'
        deplibs_check_method='file_magic ELF [0-9][0-9]*-bit [LM]SB (shared object|dynamic lib )'
        ;;
      ncr)
        deplibs_check_method='pass_all'
        ;;
      motorola)
        need_lib_prefix=no
        need_version=no
        shlibpath_overrides_runpath=no
        sys_lib_search_path_spec='/lib /usr/lib /usr/ccs/lib'
        deplibs_check_method='file_magic ELF [0-9][0-9]*-bit [ML]SB (shared object|dynamic lib) M[0-9][0-9]* Version [0-9]'
        file_magic_cmd=/usr/bin/file
        file_magic_test_file=`echo /usr/lib/libc.so*`
        ;;
    esac
    ;;
  
  uts4*)
    version_type=linux
    library_names_spec='${libname}${release}.so$versuffix ${libname}${release}.so$major $libname.so'
    soname_spec='${libname}${release}.so$major'
    shlibpath_var=LD_LIBRARY_PATH
    ;;
  
  dgux*)
    version_type=linux
    need_lib_prefix=no
    need_version=no
    library_names_spec='${libname}${release}.so$versuffix ${libname}${release}.so$major $libname.so'
    soname_spec='${libname}${release}.so$major'
    shlibpath_var=LD_LIBRARY_PATH
    ;;
  
  sysv4*MP*)
    if test -d /usr/nec ;then
      version_type=linux
      library_names_spec='$libname.so.$versuffix $libname.so.$major $libname.so'
      soname_spec='$libname.so.$major'
      shlibpath_var=LD_LIBRARY_PATH
    fi
    ;;
  
  *)
    dynamic_linker=no
    ;;
  esac
  echo "$ac_t$dynamic_linker" 1>&6
  test "$dynamic_linker" = no && can_build_shared=no
  
  # Report the final consequences.
  echo "checking if libtool supports shared libraries... $can_build_shared" 1>&6
  
  # Only try to build win32 dlls if AC_LIBTOOL_WIN32_DLL was used in
  # configure.in, otherwise build static only libraries.
  case "$host_os" in
  cygwin* | mingw* | os2*)
    if test x$can_build_shared = xyes; then
      test x$enable_win32_dll = xno && can_build_shared=no
      echo "checking if package supports dlls... $can_build_shared" 1>&6
    fi
  ;;
  esac
  
  if test -n "$file_magic_test_file" && test -n "$file_magic_cmd"; then
    case "$deplibs_check_method" in
    "file_magic "*)
      file_magic_regex="`expr \"$deplibs_check_method\" : \"file_magic \(.*\)\"`"
      if eval $file_magic_cmd \$file_magic_test_file 2> /dev/null |
         egrep "$file_magic_regex" > /dev/null; then
        :
      else
        cat <<EOF 1>&2
  
  *** Warning: the command libtool uses to detect shared libraries,
  *** $file_magic_cmd, produces output that libtool cannot recognize.
  *** The result is that libtool may fail to recognize shared libraries
  *** as such.  This will affect the creation of libtool libraries that
  *** depend on shared libraries, but programs linked with such libtool
  *** libraries will work regardless of this problem.  Nevertheless, you
  *** may want to report the problem to your system manager and/or to
  *** bug-libtool@gnu.org
  
  EOF
      fi ;;
    esac
  fi
  
  echo $ac_n "checking whether to build shared libraries... $ac_c" 1>&6
  test "$can_build_shared" = "no" && enable_shared=no
  
  # On AIX, shared libraries and static libraries use the same namespace, and
  # are all built from PIC.
  case "$host_os" in
  aix3*)
    test "$enable_shared" = yes && enable_static=no
    if test -n "$RANLIB"; then
      archive_cmds="$archive_cmds~\$RANLIB \$lib"
      postinstall_cmds='$RANLIB $lib'
    fi
    ;;
  
  aix4*)
    test "$enable_shared" = yes && enable_static=no
    ;;
  esac
  
  echo "$ac_t$enable_shared" 1>&6
  
  # Make sure either enable_shared or enable_static is yes.
  test "$enable_shared" = yes || enable_static=yes
  
  echo "checking whether to build static libraries... $enable_static" 1>&6
  
  if test "$hardcode_action" = relink; then
    # Fast installation is not supported
    enable_fast_install=no
  elif test "$shlibpath_overrides_runpath" = yes ||
       test "$enable_shared" = no; then
    # Fast installation is not necessary
    enable_fast_install=needless
  fi
  
  echo $ac_n "checking for objdir... $ac_c" 1>&6
  rm -f .libs 2>/dev/null
  mkdir .libs 2>/dev/null
  if test -d .libs; then
    objdir=.libs
  else
    # MS-DOS does not allow filenames that begin with a dot.
    objdir=_libs
  fi
  rmdir .libs 2>/dev/null
  echo "$ac_t$objdir" 1>&6
  
  if test "x$enable_dlopen" != xyes; then
    enable_dlopen=unknown
    enable_dlopen_self=unknown
    enable_dlopen_self_static=unknown
  else
  if eval "test \"`echo '$''{'lt_cv_dlopen'+set}'`\" != set"; then
    lt_cv_dlopen=no lt_cv_dlopen_libs=
  echo $ac_n "checking for dlopen in -ldl""... $ac_c" 1>&6
  echo "$progname:2248: checking for dlopen in -ldl" >&5
  ac_lib_var=`echo dl'_'dlopen | sed 'y%./+-%__p_%'`
  if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
    echo $ac_n "(cached) $ac_c" 1>&6
  else
    ac_save_LIBS="$LIBS"
  LIBS="-ldl  $LIBS"
  cat > conftest.$ac_ext <<EOF
  #line 2256 "ltconfig"
  /* Override any gcc2 internal prototype to avoid an error.  */
  /* We use char because int might match the return type of a gcc2
      builtin and then its argument prototype would still apply.  */
  #ifdef __cplusplus
  extern "C"
  #endif
  char dlopen();
  
  int main() {
  dlopen()
  ; return 0; }
  EOF
  if { (eval echo $progname:2269: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
    rm -rf conftest*
    eval "ac_cv_lib_$ac_lib_var=yes"
  else
    echo "$progname: failed program was:" >&5
    cat conftest.$ac_ext >&5
    rm -rf conftest*
    eval "ac_cv_lib_$ac_lib_var=no"
  fi
  rm -f conftest*
  LIBS="$ac_save_LIBS"
  
  fi
  if eval "test \"`echo '$ac_cv_lib_'$ac_lib_var`\" = yes"; then
    echo "$ac_t""yes" 1>&6
    lt_cv_dlopen="dlopen" lt_cv_dlopen_libs="-ldl"
  else
    echo "$ac_t""no" 1>&6
  echo $ac_n "checking for dlopen""... $ac_c" 1>&6
  echo "$progname:2288: checking for dlopen" >&5
  if eval "test \"`echo '$''{'ac_cv_func_dlopen'+set}'`\" = set"; then
    echo $ac_n "(cached) $ac_c" 1>&6
  else
    cat > conftest.$ac_ext <<EOF
  #line 2293 "ltconfig"
  /* System header to define __stub macros and hopefully few prototypes,
      which can conflict with char dlopen(); below.  */
  #include <assert.h>
  /* Override any gcc2 internal prototype to avoid an error.  */
  /* We use char because int might match the return type of a gcc2
      builtin and then its argument prototype would still apply.  */
  #ifdef __cplusplus
  extern "C"
  #endif
  char dlopen();
  
  int main() {
  
  /* 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_dlopen) || defined (__stub___dlopen)
  choke me
  #else
  dlopen();
  #endif
  
  ; return 0; }
  EOF
  if { (eval echo $progname:2318: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
    rm -rf conftest*
    eval "ac_cv_func_dlopen=yes"
  else
    echo "$progname: failed program was:" >&5
    cat conftest.$ac_ext >&5
    rm -rf conftest*
    eval "ac_cv_func_dlopen=no"
  fi
  rm -f conftest*
  fi
  if eval "test \"`echo '$ac_cv_func_'dlopen`\" = yes"; then
    echo "$ac_t""yes" 1>&6
    lt_cv_dlopen="dlopen"
  else
    echo "$ac_t""no" 1>&6
  echo $ac_n "checking for dld_link in -ldld""... $ac_c" 1>&6
  echo "$progname:2335: checking for dld_link in -ldld" >&5
  ac_lib_var=`echo dld'_'dld_link | sed 'y%./+-%__p_%'`
  if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
    echo $ac_n "(cached) $ac_c" 1>&6
  else
    ac_save_LIBS="$LIBS"
  LIBS="-ldld  $LIBS"
  cat > conftest.$ac_ext <<EOF
  #line 2343 "ltconfig"
  /* Override any gcc2 internal prototype to avoid an error.  */
  /* We use char because int might match the return type of a gcc2
      builtin and then its argument prototype would still apply.  */
  #ifdef __cplusplus
  extern "C"
  #endif
  char dld_link();
  
  int main() {
  dld_link()
  ; return 0; }
  EOF
  if { (eval echo $progname:2356: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
    rm -rf conftest*
    eval "ac_cv_lib_$ac_lib_var=yes"
  else
    echo "$progname: failed program was:" >&5
    cat conftest.$ac_ext >&5
    rm -rf conftest*
    eval "ac_cv_lib_$ac_lib_var=no"
  fi
  rm -f conftest*
  LIBS="$ac_save_LIBS"
  
  fi
  if eval "test \"`echo '$ac_cv_lib_'$ac_lib_var`\" = yes"; then
    echo "$ac_t""yes" 1>&6
    lt_cv_dlopen="dld_link" lt_cv_dlopen_libs="-ldld"
  else
    echo "$ac_t""no" 1>&6
  echo $ac_n "checking for shl_load""... $ac_c" 1>&6
  echo "$progname:2375: checking for shl_load" >&5
  if eval "test \"`echo '$''{'ac_cv_func_shl_load'+set}'`\" = set"; then
    echo $ac_n "(cached) $ac_c" 1>&6
  else
    cat > conftest.$ac_ext <<EOF
  #line 2380 "ltconfig"
  /* System header to define __stub macros and hopefully few prototypes,
      which can conflict with char shl_load(); below.  */
  #include <assert.h>
  /* Override any gcc2 internal prototype to avoid an error.  */
  /* We use char because int might match the return type of a gcc2
      builtin and then its argument prototype would still apply.  */
  #ifdef __cplusplus
  extern "C"
  #endif
  char shl_load();
  
  int main() {
  
  /* 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_shl_load) || defined (__stub___shl_load)
  choke me
  #else
  shl_load();
  #endif
  
  ; return 0; }
  EOF
  if { (eval echo $progname:2405: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
    rm -rf conftest*
    eval "ac_cv_func_shl_load=yes"
  else
    echo "$progname: failed program was:" >&5
    cat conftest.$ac_ext >&5
    rm -rf conftest*
    eval "ac_cv_func_shl_load=no"
  fi
  rm -f conftest*
  fi
  
  if eval "test \"`echo '$ac_cv_func_'shl_load`\" = yes"; then
    echo "$ac_t""yes" 1>&6
    lt_cv_dlopen="shl_load"
  else
    echo "$ac_t""no" 1>&6
  echo $ac_n "checking for shl_load in -ldld""... $ac_c" 1>&6
  echo "$progname:2423: checking for shl_load in -ldld" >&5
  ac_lib_var=`echo dld'_'shl_load | sed 'y%./+-%__p_%'`
  if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
    echo $ac_n "(cached) $ac_c" 1>&6
  else
    ac_save_LIBS="$LIBS"
  LIBS="-ldld  $LIBS"
  cat > conftest.$ac_ext <<EOF
  #line 2431 "ltconfig"
  #include "confdefs.h"
  /* Override any gcc2 internal prototype to avoid an error.  */
  /* We use char because int might match the return type of a gcc2
      builtin and then its argument prototype would still apply.  */
  #ifdef __cplusplus
  extern "C"
  #endif
  char shl_load();
  
  int main() {
  shl_load()
  ; return 0; }
  EOF
  if { (eval echo $progname:2445: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
    rm -rf conftest*
    eval "ac_cv_lib_$ac_lib_var=yes"
  else
    echo "$progname: failed program was:" >&5
    cat conftest.$ac_ext >&5
    rm -rf conftest*
    eval "ac_cv_lib_$ac_lib_var=no"
  fi
  rm -f conftest*
  LIBS="$ac_save_LIBS"
  
  fi
  if eval "test \"`echo '$ac_cv_lib_'$ac_lib_var`\" = yes"; then
    echo "$ac_t""yes" 1>&6
    lt_cv_dlopen="shl_load" lt_cv_dlopen_libs="-ldld"
  else
    echo "$ac_t""no" 1>&6
  fi
  
  
  fi
  
      
  fi
  
    
  fi
  
  
  fi
  
  fi
  
    if test "x$lt_cv_dlopen" != xno; then
      enable_dlopen=yes
    fi
  
    case "$lt_cv_dlopen" in
    dlopen)
  for ac_hdr in dlfcn.h; do
  ac_safe=`echo "$ac_hdr" | sed 'y%./+-%__p_%'`
  echo $ac_n "checking for $ac_hdr""... $ac_c" 1>&6
  echo "$progname:2488: checking for $ac_hdr" >&5
  if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then
    echo $ac_n "(cached) $ac_c" 1>&6
  else
    cat > conftest.$ac_ext <<EOF
  #line 2493 "ltconfig"
  #include <$ac_hdr>
  int fnord = 0;
  EOF
  ac_try="$ac_compile >/dev/null 2>conftest.out"
  { (eval echo $progname:2498: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
  ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
  if test -z "$ac_err"; then
    rm -rf conftest*
    eval "ac_cv_header_$ac_safe=yes"
  else
    echo "$ac_err" >&5
    echo "$progname: failed program was:" >&5
    cat conftest.$ac_ext >&5
    rm -rf conftest*
    eval "ac_cv_header_$ac_safe=no"
  fi
  rm -f conftest*
  fi
  if eval "test \"`echo '$ac_cv_header_'$ac_safe`\" = yes"; then
    echo "$ac_t""yes" 1>&6
  else
    echo "$ac_t""no" 1>&6
  fi
  done
  
      if test "x$ac_cv_header_dlfcn_h" = xyes; then
        CPPFLAGS="$CPPFLAGS -DHAVE_DLFCN_H"
      fi
      eval LDFLAGS=\"\$LDFLAGS $export_dynamic_flag_spec\"
      LIBS="$lt_cv_dlopen_libs $LIBS"
  
    echo $ac_n "checking whether a program can dlopen itself""... $ac_c" 1>&6
  echo "$progname:2526: checking whether a program can dlopen itself" >&5
  if test "${lt_cv_dlopen_self+set}" = set; then
    echo $ac_n "(cached) $ac_c" 1>&6
  else
    if test "$cross_compiling" = yes; then
      lt_cv_dlopen_self=cross
    else
      cat > conftest.c <<EOF
  #line 2534 "ltconfig"
  
  #if HAVE_DLFCN_H
  #include <dlfcn.h>
  #endif
  
  #include <stdio.h>
  
  #ifdef RTLD_GLOBAL
  # define LTDL_GLOBAL	RTLD_GLOBAL
  #else
  # ifdef DL_GLOBAL
  #  define LTDL_GLOBAL	DL_GLOBAL
  # else
  #  define LTDL_GLOBAL	0
  # endif
  #endif
  
  /* We may have to define LTDL_LAZY_OR_NOW in the command line if we
     find out it does not work in some platform. */
  #ifndef LTDL_LAZY_OR_NOW
  # ifdef RTLD_LAZY
  #  define LTDL_LAZY_OR_NOW	RTLD_LAZY
  # else
  #  ifdef DL_LAZY
  #   define LTDL_LAZY_OR_NOW	DL_LAZY
  #  else
  #   ifdef RTLD_NOW
  #    define LTDL_LAZY_OR_NOW	RTLD_NOW
  #   else
  #    ifdef DL_NOW
  #     define LTDL_LAZY_OR_NOW	DL_NOW
  #    else
  #     define LTDL_LAZY_OR_NOW	0
  #    endif
  #   endif
  #  endif
  # endif
  #endif
  
  fnord() { int i=42;}
  main() { void *self, *ptr1, *ptr2; self=dlopen(0,LTDL_GLOBAL|LTDL_LAZY_OR_NOW);
      if(self) { ptr1=dlsym(self,"fnord"); ptr2=dlsym(self,"_fnord");
  	       if(ptr1 || ptr2) { dlclose(self); exit(0); } } exit(1); } 
  
  EOF
  if { (eval echo $progname:2580: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest && (./conftest; exit) 2>/dev/null
  then
    lt_cv_dlopen_self=yes
  else
    echo "$progname: failed program was:" >&5
    cat conftest.$ac_ext >&5
    rm -fr conftest*
    lt_cv_dlopen_self=no
  fi
  rm -fr conftest*
  fi
  
  fi
  
  echo "$ac_t""$lt_cv_dlopen_self" 1>&6
  
    if test "$lt_cv_dlopen_self" = yes; then
      LDFLAGS="$LDFLAGS $link_static_flag"
    echo $ac_n "checking whether a statically linked program can dlopen itself""... $ac_c" 1>&6
  echo "$progname:2599: checking whether a statically linked program can dlopen itself" >&5
  if test "${lt_cv_dlopen_self_static+set}" = set; then
    echo $ac_n "(cached) $ac_c" 1>&6
  else
    if test "$cross_compiling" = yes; then
      lt_cv_dlopen_self_static=cross
    else
      cat > conftest.c <<EOF
  #line 2607 "ltconfig"
  
  #if HAVE_DLFCN_H
  #include <dlfcn.h>
  #endif
  
  #include <stdio.h>
  
  #ifdef RTLD_GLOBAL
  # define LTDL_GLOBAL	RTLD_GLOBAL
  #else
  # ifdef DL_GLOBAL
  #  define LTDL_GLOBAL	DL_GLOBAL
  # else
  #  define LTDL_GLOBAL	0
  # endif
  #endif
  
  /* We may have to define LTDL_LAZY_OR_NOW in the command line if we
     find out it does not work in some platform. */
  #ifndef LTDL_LAZY_OR_NOW
  # ifdef RTLD_LAZY
  #  define LTDL_LAZY_OR_NOW	RTLD_LAZY
  # else
  #  ifdef DL_LAZY
  #   define LTDL_LAZY_OR_NOW	DL_LAZY
  #  else
  #   ifdef RTLD_NOW
  #    define LTDL_LAZY_OR_NOW	RTLD_NOW
  #   else
  #    ifdef DL_NOW
  #     define LTDL_LAZY_OR_NOW	DL_NOW
  #    else
  #     define LTDL_LAZY_OR_NOW	0
  #    endif
  #   endif
  #  endif
  # endif
  #endif
  
  fnord() { int i=42;}
  main() { void *self, *ptr1, *ptr2; self=dlopen(0,LTDL_GLOBAL|LTDL_LAZY_OR_NOW);
      if(self) { ptr1=dlsym(self,"fnord"); ptr2=dlsym(self,"_fnord");
      if(ptr1 || ptr2) { dlclose(self); exit(0); } } exit(1); } 
  
  EOF
  if { (eval echo $progname:2653: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest && (./conftest; exit) 2>/dev/null
  then
    lt_cv_dlopen_self_static=yes
  else
    echo "$progname: failed program was:" >&5
    cat conftest.$ac_ext >&5
    rm -fr conftest*
    lt_cv_dlopen_self_static=no
  fi
  rm -fr conftest*
  fi
  
  fi
  
  echo "$ac_t""$lt_cv_dlopen_self_static" 1>&6
  fi
      ;;
    esac
  
    case "$lt_cv_dlopen_self" in
    yes|no) enable_dlopen_self=$lt_cv_dlopen_self ;;
    *) enable_dlopen_self=unknown ;;
    esac
  
    case "$lt_cv_dlopen_self_static" in
    yes|no) enable_dlopen_self_static=$lt_cv_dlopen_self_static ;;
    *) enable_dlopen_self_static=unknown ;;
    esac
  fi
  
  # Copy echo and quote the copy, instead of the original, because it is
  # used later.
  ltecho="$echo"
  if test "X$ltecho" = "X$CONFIG_SHELL $0 --fallback-echo"; then
     ltecho="$CONFIG_SHELL \$0 --fallback-echo"
  fi
  LTSHELL="$SHELL"
  
  LTCONFIG_VERSION="$VERSION"
  
  # Only quote variables if we're using ltmain.sh.
  case "$ltmain" in
  *.sh)
    # Now quote all the things that may contain metacharacters.
    for var in ltecho old_CC old_CFLAGS old_CPPFLAGS \
      old_LD old_LDFLAGS old_LIBS \
      old_NM old_RANLIB old_LN_S old_DLLTOOL old_OBJDUMP old_AS \
      AR CC LD LN_S NM LTSHELL LTCONFIG_VERSION \
      reload_flag reload_cmds wl \
      pic_flag link_static_flag no_builtin_flag export_dynamic_flag_spec \
      thread_safe_flag_spec whole_archive_flag_spec libname_spec \
      library_names_spec soname_spec \
      RANLIB old_archive_cmds old_archive_from_new_cmds old_postinstall_cmds \
      old_postuninstall_cmds archive_cmds archive_expsym_cmds postinstall_cmds postuninstall_cmds \
      file_magic_cmd export_symbols_cmds deplibs_check_method allow_undefined_flag no_undefined_flag \
      finish_cmds finish_eval global_symbol_pipe global_symbol_to_cdecl \
      hardcode_libdir_flag_spec hardcode_libdir_separator  \
      sys_lib_search_path_spec sys_lib_dlsearch_path_spec \
      compiler_c_o compiler_o_lo need_locks exclude_expsyms include_expsyms; do
  
      case "$var" in
      reload_cmds | old_archive_cmds | old_archive_from_new_cmds | \
      old_postinstall_cmds | old_postuninstall_cmds | \
      export_symbols_cmds | archive_cmds | archive_expsym_cmds | \
      postinstall_cmds | postuninstall_cmds | \
      finish_cmds | sys_lib_search_path_spec | sys_lib_dlsearch_path_spec)
        # Double-quote double-evaled strings.
        eval "$var=\\\"\`\$echo \"X\$$var\" | \$Xsed -e \"\$double_quote_subst\" -e \"\$sed_quote_subst\" -e \"\$delay_variable_subst\"\`\\\""
        ;;
      *)
        eval "$var=\\\"\`\$echo \"X\$$var\" | \$Xsed -e \"\$sed_quote_subst\"\`\\\""
        ;;
      esac
    done
  
    case "$ltecho" in
    *'\$0 --fallback-echo"')
      ltecho=`$echo "X$ltecho" | $Xsed -e 's/\\\\\\\$0 --fallback-echo"$/$0 --fallback-echo"/'`
      ;;
    esac
  
    trap "$rm \"$ofile\"; exit 1" 1 2 15
    echo "creating $ofile"
    $rm "$ofile"
    cat <<EOF > "$ofile"
  #! $SHELL
  
  # `$echo "$ofile" | sed 's%^.*/%%'` - Provide generalized library-building support services.
  # Generated automatically by $PROGRAM (GNU $PACKAGE $VERSION$TIMESTAMP)
  # NOTE: Changes made to this file will be lost: look at ltconfig or ltmain.sh.
  #
  # Copyright (C) 1996-1999 Free Software Foundation, Inc.
  # Originally by Gordon Matzigkeit <gord@gnu.ai.mit.edu>, 1996
  #
  # 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 of the License, 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
  #
  # As a special exception to the GNU General Public License, if you
  # distribute this file as part of a program that contains a
  # configuration script generated by Autoconf, you may include it under
  # the same distribution terms that you use for the rest of that program.
  
  # Sed that helps us avoid accidentally triggering echo(1) options like -n.
  Xsed="sed -e s/^X//"
  
  # The HP-UX ksh and POSIX shell print the target directory to stdout
  # if CDPATH is set.
  if test "X\${CDPATH+set}" = Xset; then CDPATH=:; export CDPATH; fi
  
  ### BEGIN LIBTOOL CONFIG
  EOF
    cfgfile="$ofile"
    ;;
  
  *)
    # Double-quote the variables that need it (for aesthetics).
    for var in old_CC old_CFLAGS old_CPPFLAGS \
      old_LD old_LDFLAGS old_LIBS \
      old_NM old_RANLIB old_LN_S old_DLLTOOL old_OBJDUMP old_AS; do
      eval "$var=\\\"\$var\\\""
    done
  
    # Just create a config file.
    cfgfile="$ofile.cfg"
    trap "$rm \"$cfgfile\"; exit 1" 1 2 15
    echo "creating $cfgfile"
    $rm "$cfgfile"
    cat <<EOF > "$cfgfile"
  # `$echo "$cfgfile" | sed 's%^.*/%%'` - Libtool configuration file.
  # Generated automatically by $PROGRAM (GNU $PACKAGE $VERSION$TIMESTAMP)
  EOF
    ;;
  esac
  
  cat <<EOF >> "$cfgfile"
  # Libtool was configured as follows, on host `(hostname || uname -n) 2>/dev/null | sed 1q`:
  #
  # CC=$old_CC CFLAGS=$old_CFLAGS CPPFLAGS=$old_CPPFLAGS \\
  # LD=$old_LD LDFLAGS=$old_LDFLAGS LIBS=$old_LIBS \\
  # NM=$old_NM RANLIB=$old_RANLIB LN_S=$old_LN_S \\
  # DLLTOOL=$old_DLLTOOL OBJDUMP=$old_OBJDUMP AS=$old_AS \\
  #   $0$ltconfig_args
  #
  # Compiler and other test output produced by $progname, useful for
  # debugging $progname, is in ./config.log if it exists.
  
  # The version of $progname that generated this script.
  LTCONFIG_VERSION=$LTCONFIG_VERSION
  
  # Shell to use when invoking shell scripts.
  SHELL=$LTSHELL
  
  # Whether or not to build shared libraries.
  build_libtool_libs=$enable_shared
  
  # Whether or not to build static libraries.
  build_old_libs=$enable_static
  
  # Whether or not to optimize for fast installation.
  fast_install=$enable_fast_install
  
  # The host system.
  host_alias=$host_alias
  host=$host
  
  # An echo program that does not interpret backslashes.
  echo=$ltecho
  
  # The archiver.
  AR=$AR
  
  # The default C compiler.
  CC=$CC
  
  # The linker used to build libraries.
  LD=$LD
  
  # Whether we need hard or soft links.
  LN_S=$LN_S
  
  # A BSD-compatible nm program.
  NM=$NM
  
  # Used on cygwin: DLL creation program.
  DLLTOOL="$DLLTOOL"
  
  # Used on cygwin: object dumper.
  OBJDUMP="$OBJDUMP"
  
  # Used on cygwin: assembler.
  AS="$AS"
  
  # The name of the directory that contains temporary libtool files.
  objdir=$objdir
  
  # How to create reloadable object files.
  reload_flag=$reload_flag
  reload_cmds=$reload_cmds
  
  # How to pass a linker flag through the compiler.
  wl=$wl
  
  # Object file suffix (normally "o").
  objext="$objext"
  
  # Old archive suffix (normally "a").
  libext="$libext"
  
  # Executable file suffix (normally "").
  exeext="$exeext"
  
  # Additional compiler flags for building library objects.
  pic_flag=$pic_flag
  
  # Does compiler simultaneously support -c and -o options?
  compiler_c_o=$compiler_c_o
  
  # Can we write directly to a .lo ?
  compiler_o_lo=$compiler_o_lo
  
  # Must we lock files when doing compilation ?
  need_locks=$need_locks
  
  # Do we need the lib prefix for modules?
  need_lib_prefix=$need_lib_prefix
  
  # Do we need a version for libraries?
  need_version=$need_version
  
  # Whether dlopen is supported.
  dlopen=$enable_dlopen
  
  # Whether dlopen of programs is supported.
  dlopen_self=$enable_dlopen_self
  
  # Whether dlopen of statically linked programs is supported.
  dlopen_self_static=$enable_dlopen_self_static
  
  # Compiler flag to prevent dynamic linking.
  link_static_flag=$link_static_flag
  
  # Compiler flag to turn off builtin functions.
  no_builtin_flag=$no_builtin_flag
  
  # Compiler flag to allow reflexive dlopens.
  export_dynamic_flag_spec=$export_dynamic_flag_spec
  
  # Compiler flag to generate shared objects directly from archives.
  whole_archive_flag_spec=$whole_archive_flag_spec
  
  # Compiler flag to generate thread-safe objects.
  thread_safe_flag_spec=$thread_safe_flag_spec
  
  # Library versioning type.
  version_type=$version_type
  
  # Format of library name prefix.
  libname_spec=$libname_spec
  
  # List of archive names.  First name is the real one, the rest are links.
  # The last name is the one that the linker finds with -lNAME.
  library_names_spec=$library_names_spec
  
  # The coded name of the library, if different from the real name.
  soname_spec=$soname_spec
  
  # Commands used to build and install an old-style archive.
  RANLIB=$RANLIB
  old_archive_cmds=$old_archive_cmds
  old_postinstall_cmds=$old_postinstall_cmds
  old_postuninstall_cmds=$old_postuninstall_cmds
  
  # Create an old-style archive from a shared archive.
  old_archive_from_new_cmds=$old_archive_from_new_cmds
  
  # Commands used to build and install a shared archive.
  archive_cmds=$archive_cmds
  archive_expsym_cmds=$archive_expsym_cmds
  postinstall_cmds=$postinstall_cmds
  postuninstall_cmds=$postuninstall_cmds
  
  # Method to check whether dependent libraries are shared objects.
  deplibs_check_method=$deplibs_check_method
  
  # Command to use when deplibs_check_method == file_magic.
  file_magic_cmd=$file_magic_cmd
  
  # Flag that allows shared libraries with undefined symbols to be built.
  allow_undefined_flag=$allow_undefined_flag
  
  # Flag that forces no undefined symbols.
  no_undefined_flag=$no_undefined_flag
  
  # Commands used to finish a libtool library installation in a directory.
  finish_cmds=$finish_cmds
  
  # Same as above, but a single script fragment to be evaled but not shown.
  finish_eval=$finish_eval
  
  # Take the output of nm and produce a listing of raw symbols and C names.
  global_symbol_pipe=$global_symbol_pipe
  
  # Transform the output of nm in a proper C declaration
  global_symbol_to_cdecl=$global_symbol_to_cdecl
  
  # This is the shared library runtime path variable.
  runpath_var=$runpath_var
  
  # This is the shared library path variable.
  shlibpath_var=$shlibpath_var
  
  # Is shlibpath searched before the hard-coded library search path?
  shlibpath_overrides_runpath=$shlibpath_overrides_runpath
  
  # How to hardcode a shared library path into an executable.
  hardcode_action=$hardcode_action
  
  # Flag to hardcode \$libdir into a binary during linking.
  # This must work even if \$libdir does not exist.
  hardcode_libdir_flag_spec=$hardcode_libdir_flag_spec
  
  # Whether we need a single -rpath flag with a separated argument.
  hardcode_libdir_separator=$hardcode_libdir_separator
  
  # Set to yes if using DIR/libNAME.so during linking hardcodes DIR into the
  # resulting binary.
  hardcode_direct=$hardcode_direct
  
  # Set to yes if using the -LDIR flag during linking hardcodes DIR into the
  # resulting binary.
  hardcode_minus_L=$hardcode_minus_L
  
  # Set to yes if using SHLIBPATH_VAR=DIR during linking hardcodes DIR into
  # the resulting binary.
  hardcode_shlibpath_var=$hardcode_shlibpath_var
  
  # Compile-time system search path for libraries
  sys_lib_search_path_spec=$sys_lib_search_path_spec
  
  # Run-time system search path for libraries
  sys_lib_dlsearch_path_spec=$sys_lib_dlsearch_path_spec
  
  # Fix the shell variable \$srcfile for the compiler.
  fix_srcfile_path="$fix_srcfile_path"
  
  # Set to yes if exported symbols are required.
  always_export_symbols=$always_export_symbols
  
  # The commands to list exported symbols.
  export_symbols_cmds=$export_symbols_cmds
  
  # Symbols that should not be listed in the preloaded symbols.
  exclude_expsyms=$exclude_expsyms
  
  # Symbols that must always be exported.
  include_expsyms=$include_expsyms
  
  EOF
  
  case "$ltmain" in
  *.sh)
    echo '### END LIBTOOL CONFIG' >> "$ofile"
    echo >> "$ofile"
    case "$host_os" in
    aix3*)
      cat <<\EOF >> "$ofile"
  
  # AIX sometimes has problems with the GCC collect2 program.  For some
  # reason, if we set the COLLECT_NAMES environment variable, the problems
  # vanish in a puff of smoke.
  if test "X${COLLECT_NAMES+set}" != Xset; then
    COLLECT_NAMES=
    export COLLECT_NAMES
  fi
  EOF
      ;;
    esac
  
    # Append the ltmain.sh script.
    sed '$q' "$ltmain" >> "$ofile" || (rm -f "$ofile"; exit 1)
    # We use sed instead of cat because bash on DJGPP gets confused if
    # if finds mixed CR/LF and LF-only lines.  Since sed operates in
    # text mode, it properly converts lines to CR/LF.  This bash problem
    # is reportedly fixed, but why not run on old versions too?
  
    chmod +x "$ofile"
    ;;
  
  *)
    # Compile the libtool program.
    echo "FIXME: would compile $ltmain"
    ;;
  esac
  
  test -n "$cache_file" || exit 0
  
  # AC_CACHE_SAVE
  trap '' 1 2 15
  cat > confcache <<\EOF
  # This file is a shell script that caches the results of configure
  # tests run on this system so they can be shared between configure
  # scripts and configure runs.  It is not useful on other systems.
  # If it contains results you don't want to keep, you may remove or edit it.
  #
  # By default, configure uses ./config.cache as the cache file,
  # creating it if it does not exist already.  You can give configure
  # the --cache-file=FILE option to use a different cache file; that is
  # what configure does when it calls configure scripts in
  # subdirectories, so they share the cache.
  # Giving --cache-file=/dev/null disables caching, for debugging configure.
  # config.status only pays attention to the cache file if you give it the
  # --recheck option to rerun configure.
  #
  EOF
  # The following way of writing the cache mishandles newlines in values,
  # but we know of no workaround that is simple, portable, and efficient.
  # So, don't put newlines in cache variables' values.
  # Ultrix sh set writes to stderr and can't be redirected directly,
  # and sets the high bit in the cache file unless we assign to the vars.
  (set) 2>&1 |
    case `(ac_space=' '; set | grep ac_space) 2>&1` in
    *ac_space=\ *)
      # `set' does not quote correctly, so add quotes (double-quote substitution
      # turns \\\\ into \\, and sed turns \\ into \).
      sed -n \
        -e "s/'/'\\\\''/g" \
        -e "s/^\\([a-zA-Z0-9_]*_cv_[a-zA-Z0-9_]*\\)=\\(.*\\)/\\1=\${\\1='\\2'}/p"
      ;;
    *)
      # `set' quotes correctly as required by POSIX, so do not add quotes.
      sed -n -e 's/^\([a-zA-Z0-9_]*_cv_[a-zA-Z0-9_]*\)=\(.*\)/\1=${\1=\2}/p'
      ;;
    esac >> confcache
  if cmp -s $cache_file confcache; then
    :
  else
    if test -w $cache_file; then
      echo "updating cache $cache_file"
      cat confcache > $cache_file
    else
      echo "not updating unwritable cache $cache_file"
    fi
  fi
  rm -f confcache
  
  exit 0
  
  # Local Variables:
  # mode:shell-script
  # sh-indentation:2
  # End:
  

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