ltconfig 84.2 KB
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#! /bin/sh

# ltconfig - Create a system-specific libtool.
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# Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001
# Free Software Foundation, Inc.
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# Originally by Gordon Matzigkeit <gord@gnu.ai.mit.edu>, 1996
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#
# 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.

#  
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# Check that we are running under the correct shell.
SHELL=${CONFIG_SHELL-/bin/sh}
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echo=echo
if test "X$1" = X--no-reexec; then
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  # Discard the --no-reexec flag, and continue.
  shift
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elif test "X$1" = X--fallback-echo; then
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  # Avoid inline document here, it may be left over
  :
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elif test "X`($echo '\t') 2>/dev/null`" = 'X\t'; then
  # Yippee, $echo works!
  :
else
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  # Restart under the correct shell.
  exec "$SHELL" "$0" --no-reexec ${1+"$@"}
fi

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if test "X$1" = X--fallback-echo; then
  # used as fallback echo
  shift
  cat <<EOF
$*
EOF
  exit 0
fi

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# Find the correct PATH separator.  Usually this is `:', but
# DJGPP uses `;' like DOS.
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if test "X${PATH_SEPARATOR+set}" != Xset; then
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  UNAME=${UNAME-`uname 2>/dev/null`}
  case X$UNAME in
    *-DOS) PATH_SEPARATOR=';' ;;
    *)     PATH_SEPARATOR=':' ;;
  esac
fi

#  
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# The HP-UX ksh and POSIX shell print the target directory to stdout
# if CDPATH is set.
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if test "X${CDPATH+set}" = Xset; then CDPATH=:; export CDPATH; fi
#  
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if test "X${echo_test_string+set}" != Xset; then
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  # 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

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if test "X`($echo '\t') 2>/dev/null`" = 'X\t' &&
   echo_testing_string=`($echo "$echo_test_string") 2>/dev/null` &&
   test "X$echo_testing_string" = "X$echo_test_string"; then
  :
else
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  # The Solaris, AIX, and Digital Unix default echo programs unquote
  # backslashes.  This makes it impossible to quote backslashes using
  #   echo "$something" | sed 's/\\/\\\\/g'
  #
  # So, first we look for a working echo in the user's PATH.
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  IFS="${IFS= 	}"; save_ifs="$IFS"; IFS="${IFS}${PATH_SEPARATOR}"
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  for dir in $PATH /usr/ucb; do
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    if (test -f $dir/echo || test -f $dir/echo$ac_exeext) &&
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       test "X`($dir/echo '\t') 2>/dev/null`" = 'X\t' &&
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       echo_testing_string=`($dir/echo "$echo_test_string") 2>/dev/null` &&
       test "X$echo_testing_string" = "X$echo_test_string"; then
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      echo="$dir/echo"
      break
    fi
  done
  IFS="$save_ifs"

  if test "X$echo" = Xecho; then
    # We didn't find a better echo, so look for alternatives.
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    if test "X`(print -r '\t') 2>/dev/null`" = 'X\t' &&
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       echo_testing_string=`(print -r "$echo_test_string") 2>/dev/null` &&
       test "X$echo_testing_string" = "X$echo_test_string"; then
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      # This shell has a builtin print -r that does the trick.
      echo='print -r'
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    elif (test -f /bin/ksh || test -f /bin/ksh$ac_exeext) &&
	 test "X$CONFIG_SHELL" != X/bin/ksh; then
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      # If we have ksh, try running ltconfig again with it.
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      ORIGINAL_CONFIG_SHELL="${CONFIG_SHELL-/bin/sh}"
      export ORIGINAL_CONFIG_SHELL
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      CONFIG_SHELL=/bin/ksh
      export CONFIG_SHELL
      exec "$CONFIG_SHELL" "$0" --no-reexec ${1+"$@"}
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    else
      # Try using printf.
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      echo='printf %s\n'
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      if test "X`($echo '\t') 2>/dev/null`" = 'X\t' &&
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	 echo_testing_string=`($echo "$echo_test_string") 2>/dev/null` &&
	 test "X$echo_testing_string" = "X$echo_test_string"; then
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	# Cool, printf works
	:
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      elif echo_testing_string=`("$ORIGINAL_CONFIG_SHELL" "$0" --fallback-echo '\t') 2>/dev/null` &&
	   test "X$echo_testing_string" = 'X\t' &&
	   echo_testing_string=`("$ORIGINAL_CONFIG_SHELL" "$0" --fallback-echo "$echo_test_string") 2>/dev/null` &&
	   test "X$echo_testing_string" = "X$echo_test_string"; then
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	CONFIG_SHELL="$ORIGINAL_CONFIG_SHELL"
	export CONFIG_SHELL
	SHELL="$CONFIG_SHELL"
	export SHELL
	echo="$CONFIG_SHELL $0 --fallback-echo"
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      elif echo_testing_string=`("$CONFIG_SHELL" "$0" --fallback-echo '\t') 2>/dev/null` &&
	   test "X$echo_testing_string" = 'X\t' &&
	   echo_testing_string=`("$CONFIG_SHELL" "$0" --fallback-echo "$echo_test_string") 2>/dev/null` &&
	   test "X$echo_testing_string" = "X$echo_test_string"; then
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	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 $prev`
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	  export echo_test_string
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	  exec "${ORIGINAL_CONFIG_SHELL-${CONFIG_SHELL-/bin/sh}}" "$0" ${1+"$@"}
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	else
	  # Oops.  We lost completely, so just stick with echo.
	  echo=echo
	fi
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      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'

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# Sed substitution to delay expansion of an escaped shell variable in a
# double_quote_subst'ed string.
delay_variable_subst='s/\\\\\\\\\\\$/\\\\\\$/g'

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# The name of this program.
#  
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progname=`$echo "X$0" | $Xsed -e 's%^.*/%%'`
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# Constants:
PROGRAM=ltconfig
PACKAGE=libtool
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VERSION=1.4a-GCC3.0
TIMESTAMP=" (1.641.2.256 2001/05/28 20:09:07 with GCC-local changes)"
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ac_compile='${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'
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rm="rm -f"

help="Try \`$progname --help' for more information."

# Global variables:
#  
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default_ofile=libtool
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can_build_shared=yes
enable_shared=yes
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# All known linkers require a `.a' archive for static linking (except M$VC,
# which needs '.lib').
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enable_static=yes
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enable_fast_install=yes
enable_dlopen=unknown
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enable_win32_dll=no
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pic_mode=default
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ltmain=
silent=
srcdir=
ac_config_guess=
ac_config_sub=
host=
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build=NONE
nonopt=NONE
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ofile="$default_ofile"
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verify_host=yes
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tagname=
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with_gcc=no
with_gnu_ld=no
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need_locks=yes
ac_ext=c
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libext=a
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cache_file=
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max_cmd_len=
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## Dependencies to place before and after the object being linked:
predep_objects=
postdep_objects=
predeps=
postdeps=
compiler_lib_search_path=

## Link characteristics:
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=
old_archive_from_expsyms_cmds=
striplib=
old_striplib=
export_dynamic_flag_spec=
whole_archive_flag_spec=
thread_safe_flag_spec=
hardcode_into_libs=no
hardcode_libdir_flag_spec=
hardcode_libdir_separator=
hardcode_direct=no
hardcode_minus_L=no
hardcode_shlibpath_var=unsupported
runpath_var=
link_all_deplibs=unknown
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.
extract_expsyms_cmds=

## Tools:
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old_AR="$AR"
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old_AR_FLAGS="$AR_FLAGS"
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old_CC="$CC"
old_CFLAGS="$CFLAGS"
old_CPPFLAGS="$CPPFLAGS"
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old_LDFLAGS="$LDFLAGS"
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old_LIBS="$LIBS"
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old_MAGIC_CMD="$MAGIC_CMD"
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old_LD="$LD"
old_LN_S="$LN_S"
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old_LTCC="$LTCC"
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old_NM="$NM"
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old_RANLIB="$RANLIB"
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old_STRIP="$STRIP"
old_AS="$AS"
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old_DLLTOOL="$DLLTOOL"
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old_OBJDUMP="$OBJDUMP"
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old_OBJEXT="$OBJEXT"
old_EXEEXT="$EXEEXT"
old_reload_flag="$reload_flag"
old_deplibs_check_method="$deplibs_check_method"
old_file_magic_cmd="$file_magic_cmd"
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# Parse the command line options.
args=
prev=
for option
do
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  case $option in
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  -*=*) optarg=`echo "$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

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  case $option in
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  --help) cat <<EOM
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Usage: $progname [OPTION]... LTMAIN [HOST]
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Generate a system-specific libtool script.

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    --build                configure for building on BUILD [BUILD=HOST]
#  
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    --debug                enable verbose shell tracing
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    --disable-shared       do not build shared libraries
    --disable-static       do not build static libraries
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    --disable-fast-install do not optimize for fast installation
    --enable-dlopen        enable dlopen support
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    --enable-win32-dll     enable building dlls on win32 hosts
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    --help                 display this help and exit
    --no-verify            do not verify that HOST is a valid host type
#  
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-o, --output=FILE          specify the output file [default=$default_ofile]
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    --quiet                same as \`--silent'
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    --silent               do not print informational messages
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    --srcdir=DIR           find \`config.guess' in DIR
    --version              output version information and exit
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    --add-tag=TAG          append an alternate configuration
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    --with-gcc             assume that the GNU C compiler will be used
    --with-gnu-ld          assume that the C compiler uses the GNU linker
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    --prefer-pic           try to use only PIC objects
    --prefer-non-pic       try to use only non-PIC objects
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    --disable-lock         disable file locking
    --cache-file=FILE      configure cache file
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LTMAIN is the \`ltmain.sh' shell script fragment or \`ltmain.c' program
that provides basic libtool functionality.
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HOST is the canonical host system name [default=guessed].
EOM
  exit 0
  ;;

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  --build) prev=build ;;
  --build=*) build="$optarg" ;;

#  
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  --debug)
    echo "$progname: enabling shell trace mode"
    set -x
    ;;

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  --disable-shared) enable_shared=no ;;

  --disable-static) enable_static=no ;;

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  --disable-fast-install) enable_fast_install=no ;;

  --enable-dlopen) enable_dlopen=yes ;;

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  --enable-win32-dll) enable_win32_dll=yes ;;

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  --quiet | --silent) silent=yes ;;

  --srcdir) prev=srcdir ;;
  --srcdir=*) srcdir="$optarg" ;;

  --no-verify) verify_host=no ;;

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  --output | -o) prev=ofile ;;
  --output=*) ofile="$optarg" ;;

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  --version) echo "$PROGRAM (GNU $PACKAGE) $VERSION$TIMESTAMP"; exit 0 ;;
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  --add-tag) prev=tagname ;;
  --add-tag=*) tagname="$optarg" ;;

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  --with-gcc) with_gcc=yes ;;
  --with-gnu-ld) with_gnu_ld=yes ;;

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  --prefer-pic) pic_mode=yes ;;
  --prefer-non-pic) pic_mode=no ;;

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  --disable-lock) need_locks=no ;;

  --cache-file=*) cache_file="$optarg" ;;

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  -*)
    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
#  
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# This generates an unnecessary warning for sparc-sun-solaris4.1.3_U1
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#      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

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if test ! -f "$ltmain"; then
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  echo "$progname: \`$ltmain' does not exist" 1>&2
  echo "$help" 1>&2
  exit 1
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fi

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if test -n "$tagname"; then
  # Check whether tagname contains only valid characters
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  case `$echo "X$tagname" | $Xsed -e 's/[-_ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz1234567890,/]//g'` in
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  "") ;;
  *)
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    echo "$progname: invalid tag name: $tagname" 1>&2
    exit 1
    ;;
  esac

  if grep "^### BEGIN LIBTOOL TAG CONFIG: $tagname$" < "$ofile" > /dev/null; then
    echo "$progname: tag name $tagname already exists" 1>&2
    exit 1
  fi

  if test ! -f "$ofile"; then
    echo "$progname: warning: output file \`$ofile' does not exist" 1>&2
  fi

  if test -z "$LTCC"; then
    eval "`$SHELL $ofile --config | grep '^LTCC='`"
    if test -z "$LTCC"; then
      echo "$progname: warning: output file \`$ofile' does not look like a libtool script" 1>&2
    else
      echo "$progname: warning: using \`LTCC=$LTCC', extracted from \`$ofile'" 1>&2
    fi
  fi
fi

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# Quote any args containing shell metacharacters.
ltconfig_args=
for arg
do
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  case $arg in
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  *" "*|*"	"*|*[\[\]\~\#\$\^\&\*\(\)\{\}\\\|\;\<\>\?]*)
  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).
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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
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if test -n "$cache_file" && test -r "$cache_file" && test -f "$cache_file"; then
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  echo "loading cache $cache_file within ltconfig"
  . $cache_file
fi

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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 "$srcdir"; then
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  # Assume the source directory is the same one as the path to LTMAIN.
  srcdir=`$echo "X$ltmain" | $Xsed -e 's%/[^/]*$%%'`
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  test "$srcdir" = "$ltmain" && srcdir=.
fi

#  
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trap "$rm conftest*; exit 1" 1 2 15
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if test "$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.
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  if $SHELL $ac_config_sub sun4 >/dev/null 2>&1; then :
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  else
    echo "$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
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  case $host_alias in
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  "")
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    # Force config.guess to use the C compiler.
    # CC_FOR_BUILD overrides the CC variable in config.guess but I had
    # problems with it so do it this way for now.
    CC="$LTCC"

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    if host_alias=`$SHELL $ac_config_guess`; then :
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    else
      echo "$progname: cannot guess host type; you must specify one" 1>&2
      echo "$help" 1>&2
      exit 1
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    fi

    # Restore the C compiler.
    CC="$old_CC"
    ;;
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  esac
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  host=`$SHELL $ac_config_sub $host_alias`
#  
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  echo "$ac_t$host" 1>&6

  # Make sure the host verified.
  test -z "$host" && exit 1
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  # Check for the build system type
  echo $ac_n "checking build system type... $ac_c" 1>&6

  build_alias=$build
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  case $build_alias in
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  NONE)
    case $nonopt in
    NONE) build_alias=$host_alias ;;
    *) build_alias=$nonopt ;;
    esac ;;
  esac

  build=`$SHELL $ac_config_sub $build_alias`
  build_cpu=`echo $build | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\1/'`
  build_vendor=`echo $build | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\2/'`
  build_os=`echo $build | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\3/'`
  echo "$ac_t""$build" 1>&6

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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
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  build_alias=$host_alias
  build=$host
fi

if test x"$host" != x"$build"; then
  ac_tool_prefix=${host_alias}-
else
  ac_tool_prefix=
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fi

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host_cpu=`echo $host | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\1/'`
host_vendor=`echo $host | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\2/'`
host_os=`echo $host | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\3/'`

#  
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# Transform linux* to *-*-linux-gnu*, to support old configure scripts.
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case $host_os in
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linux-gnu*) ;;
linux*) host=`echo $host | sed 's/^\(.*-.*-linux\)\(.*\)$/\1-gnu\2/'`
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esac

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case $host_os in
#  
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aix3*)
  # AIX sometimes has problems with the GCC collect2 program.  For some
  # reason, if we set the COLLECT_NAMES environment variable, the problems
  # vanish in a puff of smoke.
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  if test "X${COLLECT_NAMES+set}" != Xset; then
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    COLLECT_NAMES=
    export COLLECT_NAMES
  fi
  ;;
esac

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# Determine commands to create old-style static archives.
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old_archive_cmds='$AR $AR_FLAGS $oldlib$oldobjs$old_deplibs'
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old_postinstall_cmds='chmod 644 $oldlib'
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old_postuninstall_cmds=

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if test -n "$RANLIB"; then
  old_archive_cmds="$old_archive_cmds~\$RANLIB \$oldlib"
  old_postinstall_cmds="\$RANLIB \$oldlib~$old_postinstall_cmds"
fi

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# Source the script associated with the $tagname tag configuration.
if test -n "$tagname"; then
  . $ltmain
else
  # FIXME:  We should use a variable here
  # Configure for a C compiler
  . $srcdir/ltcf-c.sh
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fi

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# Set sane defaults for various variables
test -z "$AR" && AR=ar
test -z "$AR_FLAGS" && AR_FLAGS=cru
test -z "$AS" && AS=as
test -z "$CC" && CC=cc
#  
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test -z "$DLLTOOL" && DLLTOOL=dlltool
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test -z "$MAGIC_CMD" && MAGIC_CMD=file
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test -z "$LD" && LD=ld
test -z "$LN_S" && LN_S="ln -s"
test -z "$NM" && NM=nm
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test -z "$OBJDUMP" && OBJDUMP=objdump
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test -z "$RANLIB" && RANLIB=:
test -z "$STRIP" && STRIP=:
test -z "$objext" && objext=o
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echo $ac_n "checking for objdir... $ac_c" 1>&6
rm -f .libs 2>/dev/null
mkdir .libs 2>/dev/null
if test -d .libs; then
  objdir=.libs
else
  # MS-DOS does not allow filenames that begin with a dot.
  objdir=_libs
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fi
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rmdir .libs 2>/dev/null
echo "$ac_t$objdir" 1>&6

# If no C compiler was specified, use CC.
LTCC=${LTCC-"$CC"}
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# Allow CC to be a program name with arguments.
set dummy $CC
compiler="$2"

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# We assume here that the value for ac_cv_prog_cc_pic will not be cached
# in isolation, and that seeing it set (from the cache) indicates that
# the associated values are set (in the cache) correctly too.
echo $ac_n "checking for $compiler option to produce PIC... $ac_c" 1>&6
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echo "$progname:678:checking for $compiler option to produce PIC" 1>&5
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if test -z "$ac_cv_prog_cc_pic"; then
  echo "$ac_t"none 1>&6
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else
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  echo "$ac_t""$ac_cv_prog_cc_pic" 1>&6

  # Check to make sure the pic_flag actually works.
  echo $ac_n "checking if $compiler PIC flag $ac_cv_prog_cc_pic works... $ac_c" 1>&6
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  echo "$progname:687:checking that $compiler PIC flag $ac_cv_prog_cc_pic works." 1>&5
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  if test "X${ac_cv_prog_cc_pic_works+set}" = Xset && \
     test "X${ac_cv_prog_cc_pic_works}" != X; then
    echo $ac_n "(cached) $ac_c" 1>&6
  else
    ac_cv_prog_cc_pic_works=yes
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    $rm conftest*
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    echo $lt_simple_compile_test_code > conftest.$ac_ext
    save_CFLAGS="$CFLAGS"
    CFLAGS="$CFLAGS $ac_cv_prog_cc_pic -DPIC"
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    if { (eval echo $progname:697: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>conftest.err; } && test -s conftest.$objext; then
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      # Append any warnings to the config.log.
      cat conftest.err 1>&5

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      case $host_os in
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      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
	  ac_cv_prog_cc_pic_works=no
	  ac_cv_prog_cc_can_build_shared=no
	  ac_cv_prog_cc_pic=
	else
	  ac_cv_prog_cc_pic_works=yes
	  ac_cv_prog_cc_pic=" $ac_cv_prog_cc_pic"
	fi
	;;
      *)
	ac_cv_prog_cc_pic_works=yes
	ac_cv_prog_cc_pic=" $ac_cv_prog_cc_pic"
	;;
      esac
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    else
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      # Append any errors to the config.log.
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      cat conftest.err 1>&5
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      ac_cv_prog_cc_pic_works=no
      ac_cv_prog_cc_can_build_shared=no
      ac_cv_prog_cc_pic=
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    fi
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    CFLAGS="$save_CFLAGS"
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    $rm conftest*
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  fi
  # Belt *and* braces to stop my trousers falling down:
  if test "X$ac_cv_prog_cc_pic_works" = Xno; then
    ac_cv_prog_cc_pic=
    ac_cv_prog_cc_can_build_shared=no
  fi
  echo "$ac_t""$ac_cv_prog_cc_pic_works" 1>&6
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fi
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# Check for any special shared library compilation flags.
if test -n "$ac_cv_prog_cc_shlib"; then
  echo "$progname: warning: \`$CC' requires \`$ac_cv_prog_cc_shlib' to build shared libraries" 1>&2
  if echo "$old_CC $old_CFLAGS " | egrep -e "[ 	]$ac_cv_prog_cc_shlib[ 	]" >/dev/null; then :
  else
    echo "$progname: add \`$ac_cv_prog_cc_shlib' to the CC or CFLAGS env variable and reconfigure" 1>&2
    ac_cv_prog_cc_can_build_shared=no
  fi
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fi

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echo $ac_n "checking if $compiler static flag $ac_cv_prog_cc_static works... $ac_c" 1>&6
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echo "$progname:749: checking if $compiler static flag $ac_cv_prog_cc_static works" >&5
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if test "X${ac_cv_prog_cc_static_works+set}" = Xset && \
   test "X${ac_cv_prog_cc_static_works}" != X; then
  echo $ac_n "(cached) $ac_c" 1>&6
else
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  $rm conftest*
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  echo $lt_simple_link_test_code > conftest.$ac_ext
  save_LDFLAGS="$LDFLAGS"
  LDFLAGS="$LDFLAGS $ac_cv_prog_cc_static"
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  if { (eval echo $progname:758: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
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    ac_cv_prog_cc_static_works=yes
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  else
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    ac_cv_prog_cc_static_works=no
    ac_cv_prog_cc_static=
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  fi
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  LDFLAGS="$save_LDFLAGS"
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  $rm conftest*
fi
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# Belt *and* braces to stop my trousers falling down:
if test "X$ac_cv_prog_cc_static_works" = Xno; then
  ac_cv_prog_cc_static=
fi
echo "$ac_t""$ac_cv_prog_cc_static_works" 1>&6
pic_flag="$ac_cv_prog_cc_pic"
special_shlib_compile_flags="$ac_cv_prog_cc_shlib"
wl="$ac_cv_prog_cc_wl"
link_static_flag="$ac_cv_prog_cc_static"
no_builtin_flag="$ac_cv_prog_cc_no_builtin"
can_build_shared="$ac_cv_prog_cc_can_build_shared"
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# find the maximum length of command line arguments
echo "$progname:780: finding the maximum length of command line arguments" 1>&5
echo $ac_n "finding the maximum length of command line arguments... $ac_c" 1>&6
if test "${lt_cv_sys_max_cmd_len+set}" = set; then
  echo $ac_n "(cached) $ac_c" 1>&6
else
  i=0
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  testring="ABCD"
  # If test is not a shell built-in, we'll probably end up computing a
  # maximum length that is only half of the actual maximum length, but
  # we can't tell.
  while test "X"`$CONFIG_SHELL $0 --fallback-echo "X$testring" 2>/dev/null` \
             = "XX$testring" &&
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          new_result=`expr "X$testring" : ".*" 2>&1` &&
          lt_cv_sys_max_cmd_len=$new_result &&
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          test $i != 17 # 1/2 MB should be enough
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  do
    i=`expr $i + 1`
    testring=$testring$testring
  done
  testring=
  # add a significant safety factor because C++ compilers can tack on massive amounts
  # of additional arguments before passing them to the linker.  1/4 should be good.
  len=`expr $lt_cv_sys_max_cmd_len \/ 4`
  lt_cv_sys_max_cmd_len=`expr $lt_cv_sys_max_cmd_len - $len`
fi
echo "$progname:@lineno@: result: $lt_cv_sys_max_cmd_len" 1>&5
echo "${ac_t}$lt_cv_sys_max_cmd_len" 1>&6

if test -n $lt_cv_sys_max_cmd_len ; then
  max_cmd_len=$lt_cv_sys_max_cmd_len
else
  max_cmd_len=none
fi

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# Check to see if options -o and -c are simultaneously supported by compiler
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if test "${lt_cv_compiler_c_o+set}" = set; then
  echo $ac_n "(cached) $ac_c" 1>&6
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else
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  $rm -r conftest 2>/dev/null
  mkdir conftest
  cd conftest
  $rm conftest*
  echo $lt_simple_compile_test_code > conftest.$ac_ext
  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.$objext"
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  echo "$progname:833: checking if $compiler supports -c -o file.$objext" >&5
  if { (eval echo $progname:834: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>out/conftest.err; } && test -s out/conftest2.$objext; then
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    # 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
        lt_cv_compiler_c_o=no
      else
        lt_cv_compiler_c_o=yes
      fi
  else
    # Append any errors to the config.log.
    cat out/conftest.err 1>&5
    lt_cv_compiler_c_o=no
  fi
  CFLAGS="$save_CFLAGS"
  chmod u+w .
  $rm conftest* out/*
  rmdir out
  cd ..
  rmdir conftest
  $rm -r conftest 2>/dev/null
fi
compiler_c_o=$lt_cv_compiler_c_o
echo "${ac_t}$compiler_c_o" 1>&6
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# 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*
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  echo $lt_simple_compile_test_code > conftest.$ac_ext
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  save_CFLAGS="$CFLAGS"
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  CFLAGS="$CFLAGS -fno-rtti -fno-exceptions -c conftest.$ac_ext"
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  echo "$progname:887: checking if $compiler supports -fno-rtti -fno-exceptions" >&5
  if { (eval echo $progname:888: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>conftest.err; } && test -s conftest.$objext; then
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    # 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
  
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fi

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# See if the linker supports building shared libraries.
echo $ac_n "checking whether the linker ($LD) supports shared libraries... $ac_c" 1>&6
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echo "$ac_t$ld_shlibs" 1>&6
test "$ld_shlibs" = no && can_build_shared=no
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# 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" || \
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   test -n "$runpath_var"; then
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  # We can hardcode non-existant directories.
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  if test "$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
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    # 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
#  
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  # We cannot hardcode anything, or else we can only hardcode existing
  # directories.
  hardcode_action=unsupported
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fi
#  
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echo "$ac_t$hardcode_action" 1>&6
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echo $ac_n "checking whether stripping libraries is possible... $ac_c" 1>&6
if test -n "$STRIP" && $STRIP -V 2>&1 | grep "GNU strip" >/dev/null; then
  test -z "$old_striplib" && old_striplib="$STRIP --strip-debug"
  test -z "$striplib" && striplib="$STRIP --strip-unneeded"
  echo "${ac_t}yes" 1>&6
else
  echo "${ac_t}no" 1>&6
fi
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case $reload_flag in
"" | " "*) ;;
*) reload_flag=" $reload_flag" ;;
esac
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reload_cmds='$LD$reload_flag -o $output$reload_objs'
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test -z "$deplibs_check_method" && deplibs_check_method=unknown
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# PORTME Fill in your ld.so characteristics
library_names_spec=
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libname_spec='lib$name'
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soname_spec=
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shrext=".so"
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postinstall_cmds=
#  
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postuninstall_cmds=
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finish_cmds=
#  
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finish_eval=
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shlibpath_var=
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shlibpath_overrides_runpath=unknown
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version_type=none
dynamic_linker="$host_os ld.so"
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sys_lib_dlsearch_path_spec="/lib /usr/lib"
sys_lib_search_path_spec="/lib /usr/lib /usr/local/lib"
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echo $ac_n "checking dynamic linker characteristics... $ac_c" 1>&6
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case $host_os in
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aix3*)
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  version_type=linux
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  library_names_spec='${libname}${release}.so$versuffix $libname.a'
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  shlibpath_var=LIBPATH

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  # AIX 3 has no versioning support, so we append a major version to the name.
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  soname_spec='${libname}${release}.so$major'
  ;;

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aix4* | aix5*)
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  version_type=linux
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  if test "$host_cpu" = ia64; then
    # AIX 5 supports IA64
    library_names_spec='${libname}${release}.so$versuffix ${libname}${release}.so$major $libname.so'
    shlibpath_var=LD_LIBRARY_PATH
  else
    # AIX (on Power*) has no versioning support, so currently we can not hardcode correct
    # soname into executable. Probably we can add versioning support to
    # collect2, so additional links can be useful in future.
    # We preserve .a as extension for shared libraries though AIX4.2
    # and later linker supports .so
    if test "$aix_use_runtimelinking" = yes; then
      # If using run time linking (on AIX 4.2 or later) use lib<name>.so instead of
      # lib<name>.a to let people know that these are not typical AIX shared libraries.
      library_names_spec='${libname}${release}.so$versuffix ${libname}${release}.so$major $libname.so'
    else
      # We preserve .a as extension for shared libraries though AIX4.2
      # and later when we are not doing run time linking.
      library_names_spec='${libname}${release}.a $libname.a'
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      soname_spec='${libname}${release}.so$major'
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    fi
    # If we're using GNU nm, then we don't want the "-C" option.
    # -C means demangle to AIX nm, but means don't demangle with GNU nm
    if $NM -V 2>&1 | egrep '(GNU)' > /dev/null; then
      export_symbols_cmds='$NM -Bpg $libobjs $convenience | awk '\''{ if (((\$2 == "T") || (\$2 == "D") || (\$2 == "B")) && (substr(\$3,1,1) != ".")) { print \$3 } }'\'' | sort -u > $export_symbols'
    else
      export_symbols_cmds='$NM -BCpg $libobjs $convenience | awk '\''{ if (((\$2 == "T") || (\$2 == "D") || (\$2 == "B")) && (substr(\$3,1,1) != ".")) { print \$3 } }'\'' | sort -u > $export_symbols'
    fi
    shlibpath_var=LIBPATH
    deplibs_check_method=pass_all
    case $host_os in
    aix4 | aix4.[01] | aix4.[01].*)
      if { echo '#if __GNUC__ > 2 || (__GNUC__ == 2 && __GNUC_MINOR__ >= 97)'
	   echo ' yes '
	   echo '#endif'; } | ${CC} -E - | grep yes > /dev/null; then
	:
      else
	# With GCC up to 2.95.x, collect2 would create an import file
	# for dependence libraries.  The import file would start with
	# the line `#! .'.  This would cause the generated library to
	# depend on `.', always an invalid library.  This was fixed in
	# development snapshots of GCC prior to 3.0.
        can_build_shared=no
      fi
      ;;
    esac
  fi
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  ;;

#  
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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'
  ;;

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beos*)
  library_names_spec='${libname}.so'
  dynamic_linker="$host_os ld.so"
  shlibpath_var=LIBRARY_PATH
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  lt_cv_dlopen="load_add_on"
  lt_cv_dlopen_libs=
  lt_cv_dlopen_self=yes
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  ;;

bsdi4*)
  version_type=linux
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  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'
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  shlibpath_var=LD_LIBRARY_PATH
  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"
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  export_dynamic_flag_spec=-rdynamic
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  # 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
  ;;

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cygwin* | mingw* | pw32*)
#  
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  version_type=windows
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  need_version=no
  need_lib_prefix=no
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  case $with_gcc,$host_os in
  yes,cygwin*)
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    library_names_spec='$libname.dll.a'
    soname_spec='`echo ${libname} | sed -e 's/^lib/cyg/'``echo ${release} | [sed -e 's/[.]/-/g']`${versuffix}.dll'
    postinstall_cmds='dlpath=`bash 2>&1 -c '\''. $dir/${file}i; echo \$dlname'\''`~
      dldir=$destdir/`dirname \$dlpath`~
      test -d \$dldir || mkdir -p \$dldir~
      $install_prog .libs/$dlname \$dldir/$dlname'
    postuninstall_cmds='dldll=`bash 2>&1 -c '\''. $file; echo \$dlname'\''`~
      dlpath=$dir/\$dldll; $rm \$dlpath'
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    ;;
  yes,mingw*)
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    library_names_spec='${libname}`echo ${release} | sed -e 's/[.]/-/g'`${versuffix}.dll'
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    sys_lib_search_path_spec=`$CC -print-search-dirs | grep "^libraries:" | sed -e "s/^libraries://" -e "s/;/ /g"`
    ;;
  yes,pw32*)
    library_names_spec='`echo ${libname} | sed -e 's/^lib/pw/'``echo ${release} | sed -e 's/[.]/-/g'`${versuffix}.dll'
;;
  *)
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    library_names_spec='${libname}`echo ${release} | sed -e 's/[.]/-/g'`${versuffix}.dll $libname.lib'
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    ;;
  esac
#  
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  dynamic_linker='Win32 ld.exe'
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  # FIXME: first we should search . and the directory the executable is in
#  
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  shlibpath_var=PATH
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  lt_cv_dlopen="LoadLibrary"
  lt_cv_dlopen_libs=
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  ;;

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darwin* | rhapsody*)
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  dynamic_linker="$host_os dyld"
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  lt_cv_dlopen="dyld"
  lt_cv_dlopen_libs=
  lt_cv_dlopen_self=yes
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  version_type=darwin
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  need_lib_prefix=no
  need_version=no
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  # Disable shared library build on OS-X older than 10.3.
  case $host_os in
      darwin[1-6]*)
	  can_build_shared=no
	  ;;
      darwin7*)
	  can_build_shared=yes
	  ;;
  esac
  library_names_spec='${libname}${release}${versuffix}$shared_ext ${libname}${release}${major}$shared_ext ${libname}$shared_ext'
  soname_spec='${libname}${release}${major}$shared_ext'
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  shlibpath_overrides_runpath=yes
  shlibpath_var=DYLD_LIBRARY_PATH
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  shrext='$(test .$module = .yes && echo .so || echo .dylib)'
  sys_lib_search_path_spec=`$CC -print-search-dirs | tr "\n" "$PATH_SEPARATOR" | sed -e 's/libraries:/@libraries:/' | tr "@" "\n" | grep "^libraries:" | sed -e "s/^libraries://" -e "s,=/,/,g" -e "s,$PATH_SEPARATOR, ,g" -e "s,.*,& /lib /usr/lib /usr/local/lib,g"`
  sys_lib_dlsearch_path_spec='/usr/local/lib /lib /usr/lib'
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  ;;

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freebsd1*)
  dynamic_linker=no
  ;;
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freebsd*)
  objformat=`test -x /usr/bin/objformat && /usr/bin/objformat || echo aout`
  version_type=freebsd-$objformat
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  case $version_type in
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    freebsd-elf*)
      library_names_spec='${libname}${release}.so$versuffix ${libname}${release}.so $libname.so'
      need_version=no
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      need_lc=no
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      need_lib_prefix=no
      ;;
    freebsd-*)
      library_names_spec='${libname}${release}.so$versuffix $libname.so$versuffix'
      need_version=yes
      ;;
  esac
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  shlibpath_var=LD_LIBRARY_PATH
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  case $host_os in
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  freebsd2*)
    shlibpath_overrides_runpath=yes
    ;;
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  *)
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    shlibpath_overrides_runpath=no
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    hardcode_into_libs=yes
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    ;;
  esac
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  ;;

gnu*)
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  version_type=linux
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  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'
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  shlibpath_var=LD_LIBRARY_PATH
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  hardcode_into_libs=yes
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  ;;

#  
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hpux9* | hpux10* | hpux11*)
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  # Give a soname corresponding to the major version so that dld.sl refuses to
  # link against other versions.
  version_type=sunos
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  need_lib_prefix=no
  need_version=no
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  case "$host_cpu" in
  ia64*)
    dynamic_linker="$host_os dld.so"
    shlibpath_var=LD_LIBRARY_PATH
    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 # Unless +noenvvar is specified.
    if test "X$HPUX_IA64_MODE" = X32; then
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      sys_lib_search_path_spec="/usr/lib/hpux32 /usr/local/lib/hpux32 /usr/local/lib"
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    else
      sys_lib_search_path_spec="/usr/lib/hpux64 /usr/local/lib/hpux64"
    fi
    sys_lib_dlsearch_path_spec=$sys_lib_search_path_spec
    ;;
  *)
    dynamic_linker="$host_os dld.sl"
    shlibpath_var=SHLIB_PATH
    shlibpath_overrides_runpath=no # +s is required to enable SHLIB_PATH
    library_names_spec='${libname}${release}.sl$versuffix ${libname}${release}.sl$major $libname.sl'
    soname_spec='${libname}${release}.sl$major'
    ;;
  esac
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  # HP-UX runs *really* slowly unless shared libraries are mode 555.
  postinstall_cmds='chmod 555 $lib'
  ;;

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irix5* | irix6*)
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  if test "$with_gnu_ld" = yes; then
    version_type=linux
  else
    version_type=irix
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  fi
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  need_lib_prefix=no
  need_version=no
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  soname_spec='${libname}${release}.so$major'
  library_names_spec='${libname}${release}.so$versuffix ${libname}${release}.so$major ${libname}${release}.so $libname.so'
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  case $host_os in
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  irix5*)
    libsuff= shlibsuff=
    ;;
  *)
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    case $LD in # libtool.m4 will add one of these switches to LD
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    *-32|*"-32 "|*-melf32bsmip|*"-melf32bsmip ")
      libsuff= shlibsuff= libmagic=32-bit;;
    *-n32|*"-n32 "|*-melf32bmipn32|*"-melf32bmipn32 ")
      libsuff=32 shlibsuff=N32 libmagic=N32;;
    *-64|*"-64 "|*-melf64bmip|*"-melf64bmip ")
      libsuff=64 shlibsuff=64 libmagic=64-bit;;
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    *) libsuff= shlibsuff= libmagic=never-match;;
    esac
    ;;
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  esac
  shlibpath_var=LD_LIBRARY${shlibsuff}_PATH
  shlibpath_overrides_runpath=no
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  sys_lib_search_path_spec="/usr/lib${libsuff} /lib${libsuff} /usr/local/lib${libsuff}"
  sys_lib_dlsearch_path_spec="/usr/lib${libsuff} /lib${libsuff}"
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  ;;

# 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
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  need_lib_prefix=no
  need_version=no
#  
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  library_names_spec='${libname}${release}.so$versuffix ${libname}${release}.so$major $libname.so'
  soname_spec='${libname}${release}.so$major'
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  finish_cmds='PATH="\$PATH:/sbin" ldconfig -n $libdir'
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  shlibpath_var=LD_LIBRARY_PATH
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  shlibpath_overrides_runpath=no
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  # This implies no fast_install, which is unacceptable.
  # Some rework will be needed to allow for fast_install
  # before this can be enabled.
  hardcode_into_libs=yes

  # We used to test for /lib/ld.so.1 and disable shared libraries on
  # powerpc, because MkLinux only supported shared libraries with the
  # GNU dynamic linker.  Since this was broken with cross compilers,
  # most powerpc-linux boxes support dynamic linking these days and
  # people can always --disable-shared, the test was removed, and we
  # assume the GNU/Linux dynamic linker is in use.
  dynamic_linker='GNU/Linux ld.so'
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  ;;

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netbsd*)
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  need_lib_prefix=no
  need_version=no
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  version_type=sunos
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  if echo __ELF__ | $CC -E - | grep __ELF__ >/dev/null; then
    library_names_spec='${libname}${release}.so$versuffix ${libname}.so$versuffix'
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    finish_cmds='PATH="\$PATH:/sbin" ldconfig -m $libdir'
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    dynamic_linker='NetBSD (a.out) ld.so'
  else
    library_names_spec='${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
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  shlibpath_overrides_runpath=yes
  hardcode_into_libs=yes
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  ;;

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newsos6)
  version_type=linux
  library_names_spec='${libname}${release}.so$versuffix ${libname}${release}.so$major $libname.so'
  shlibpath_var=LD_LIBRARY_PATH
  shlibpath_overrides_runpath=yes
  ;;

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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'
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  finish_cmds='PATH="\$PATH:/sbin" ldconfig -m $libdir'
  shlibpath_var=LD_LIBRARY_PATH
  ;;

#  
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os2*)
  libname_spec='$name'
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  need_lib_prefix=no
#  
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  library_names_spec='$libname.dll $libname.a'
  dynamic_linker='OS/2 ld.exe'
  shlibpath_var=LIBPATH
  ;;

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osf3* | osf4* | osf5*)
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  version_type=osf
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  need_version=no
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  soname_spec='${libname}${release}.so$major'
  library_names_spec='${libname}${release}.so$versuffix ${libname}${release}.so$major $libname.so'
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  shlibpath_var=LD_LIBRARY_PATH
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  sys_lib_search_path_spec="/usr/shlib /usr/ccs/lib /usr/lib/cmplrs/cc /usr/lib /usr/local/lib /var/shlib"
  sys_lib_dlsearch_path_spec="$sys_lib_search_path_spec"
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  ;;

sco3.2v5*)
  version_type=osf
#  
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  soname_spec='${libname}${release}.so$major'
  library_names_spec='${libname}${release}.so$versuffix ${libname}${release}.so$major $libname.so'
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  shlibpath_var=LD_LIBRARY_PATH
  ;;

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solaris*)
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  version_type=linux
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  need_lib_prefix=no
  need_version=no
#  
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  library_names_spec='${libname}${release}.so$versuffix ${libname}${release}.so$major $libname.so'
  soname_spec='${libname}${release}.so$major'
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  shlibpath_var=LD_LIBRARY_PATH
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  shlibpath_overrides_runpath=yes
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  hardcode_into_libs=yes
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  # ldd complains unless libraries are executable
  postinstall_cmds='chmod +x $lib'
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  ;;

sunos4*)
  version_type=sunos
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  library_names_spec='${libname}${release}.so$versuffix ${libname}.so$versuffix'
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  finish_cmds='PATH="\$PATH:/usr/etc" ldconfig $libdir'
  shlibpath_var=LD_LIBRARY_PATH
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  shlibpath_overrides_runpath=yes
  if test "$with_gnu_ld" = yes; then
    need_lib_prefix=no
  fi
  need_version=yes
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  ;;

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sysv4 | sysv4.2uw2* | sysv4.3* | sysv5*)
#  
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  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
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  case $host_vendor in
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    motorola)
      need_lib_prefix=no
      need_version=no
      shlibpath_overrides_runpath=no
      sys_lib_search_path_spec='/lib /usr/lib /usr/ccs/lib'
      ;;
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  esac
#  
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  ;;

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
  ;;

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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
  ;;

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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
  ;;

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*)
  dynamic_linker=no
  ;;
esac
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echo "$ac_t$dynamic_linker" 1>&6
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test "$dynamic_linker" = no && can_build_shared=no

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# 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.
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case $host_os in
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aix*)
  symcode='[BCDT]'
  ;;
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cygwin* | mingw* | pw32*)
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  symcode='[ABCDGISTW]'
  ;;
hpux*) # Its linker distinguishes data from code symbols
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  global_symbol_to_cdecl="sed -n -e 's/^T .* \(.*\)$/extern char \1();/p' -e 's/^$symcode* .* \(.*\)$/extern char \1;/p'"
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  ;;
irix*)
  symcode='[BCDEGRST]'
  ;;
solaris* | sysv5*)
  symcode='[BDT]'
  ;;
sysv4)
  symcode='[DFNSTU]'
  ;;
esac

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# Handle CRLF in mingw tool chain
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opt_cr=
1440
case $host_os in
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mingw*)
  opt_cr=`echo 'x\{0,1\}' | tr x '\015'` # option cr in regexp
  ;;
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.
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  global_symbol_pipe="sed -n -e 's/^.*[ 	]\($symcode$symcode*\)[ 	][ 	]*\($ac_symprfx\)$sympat$opt_cr$/$symxfrm/p'"
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  # Check to see that the pipe works correctly.
  pipe_works=no
  $rm conftest*
  cat > conftest.$ac_ext <<EOF
#ifdef __cplusplus
extern "C" {
#endif
char nm_test_var;
void nm_test_func(){}
#ifdef __cplusplus
}
#endif
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int main(){nm_test_var='a';nm_test_func();return(0);}
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EOF

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  echo "$progname:1431: checking if global_symbol_pipe works" >&5
  if { (eval echo $progname:1432: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; } && test -s conftest.$objext; then
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    # Now try to grab the symbols.
    nlist=conftest.nm
1476
    if { echo "$progname:1435: eval \"$NM conftest.$objext | $global_symbol_pipe > $nlist\"" >&5; eval "$NM conftest.$objext | $global_symbol_pipe > $nlist 2>&5"; } && test -s "$nlist"; then
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      # 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.$ac_ext
#ifdef __cplusplus
extern "C" {
#endif

EOF
	  # Now generate the symbol file.
	  eval "$global_symbol_to_cdecl"' < "$nlist" >> conftest.$ac_ext'

	  cat <<EOF >> conftest.$ac_ext
#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
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 	  sed "s/^$symcode$symcode* \(.*\) \(.*\)$/  {\"\2\", (lt_ptr_t) \&\2},/" < "$nlist" >> conftest.$ac_ext
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	  cat <<\EOF >> conftest.$ac_ext
  {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"
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	  if { (eval echo $progname:1487: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
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	    pipe_works=yes
	  else
	    echo "$progname: failed program was:" >&5
	    cat conftest.$ac_ext >&5
	  fi
	  LIBS="$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.$ac_ext >&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

#  
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# Report the final consequences.
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echo "checking if libtool supports shared libraries... $can_build_shared" 1>&6

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# Only try to build win32 dlls if AC_LIBTOOL_WIN32_DLL was used in
# configure.in, otherwise build static only libraries.
1572
case $host_os in
1573
cygwin* | mingw* | pw32* | os2*)
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  if test x$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

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echo $ac_n "checking whether to build shared libraries... $ac_c" 1>&6
test "$can_build_shared" = "no" && enable_shared=no

#  
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# On AIX, shared libraries and static libraries use the same namespace, and
# are all built from PIC.
1586
case $host_os in
1587
aix3*)
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  test "$enable_shared" = yes && enable_static=no
  if test -n "$RANLIB"; then
1590
    archive_cmds="$archive_cmds~\$RANLIB \$lib"
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    postinstall_cmds='$RANLIB $lib'
  fi
  ;;
1594

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aix4*)
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  test "$enable_shared" = yes && enable_static=no
  ;;
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esac

#  
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echo "$ac_t$enable_shared" 1>&6
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# 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

1607
if test "$hardcode_action" = relink; then
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  # Fast installation is not supported
  enable_fast_install=no
elif test "$shlibpath_overrides_runpath" = yes ||
     test "$enable_shared" = no; then
  # Fast installation is not necessary
  enable_fast_install=needless
fi

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variables_saved_for_relink="PATH $shlibpath_var $runpath_var"
if test "$with_gcc" = yes; then
  variables_saved_for_relink="$variables_saved_for_relink GCC_EXEC_PREFIX COMPILER_PATH LIBRARY_PATH"
#  
Jeff Law committed
1619
fi
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# Check whether we must set pic_mode to default
test -z "$pic_flag" && pic_mode=default
#  
Jeff Law committed
1623

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if test "x$enable_dlopen" != xyes; then
  enable_dlopen=unknown
  enable_dlopen_self=unknown
  enable_dlopen_self_static=unknown
else
1629
if test "X${lt_cv_dlopen+set}" != Xset; then
1630
  lt_cv_dlopen=no lt_cv_dlopen_libs=
Jason Merrill committed
1631
echo $ac_n "checking for dlopen in -ldl""... $ac_c" 1>&6
1632
echo "$progname:1591: checking for dlopen in -ldl" >&5
1633
if test "X${ac_cv_lib_dl_dlopen+set}" = Xset; then
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  echo $ac_n "(cached) $ac_c" 1>&6
else
Jason Merrill committed
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  ac_save_LIBS="$LIBS"
LIBS="-ldl  $LIBS"
cat > conftest.$ac_ext <<EOF
1639
#line 1598 "ltconfig"
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/* 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.  */
Jason Merrill committed
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#ifdef __cplusplus
extern "C"
#endif
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char dlopen();

int main() {
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dlopen()
1650 1651
; return 0; }
EOF
1652
if { (eval echo $progname:1611: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
1653
  rm -rf conftest*
1654
  ac_cv_lib_dl_dlopen=yes
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else
  echo "$progname: failed program was:" >&5
  cat conftest.$ac_ext >&5
  rm -rf conftest*
1659
  ac_cv_lib_dl_dlopen=no
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fi
rm -f conftest*
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LIBS="$ac_save_LIBS"
1663

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1664
fi
1665
if test "X$ac_cv_lib_dl_dlopen" = Xyes; then
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  echo "$ac_t""yes" 1>&6
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1667
  lt_cv_dlopen="dlopen" lt_cv_dlopen_libs="-ldl"
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else
  echo "$ac_t""no" 1>&6
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echo $ac_n "checking for dlopen""... $ac_c" 1>&6
1671
echo "$progname:1630: checking for dlopen" >&5
1672
if test "X${ac_cv_func_dlopen+set}" = Xset; then
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  echo $ac_n "(cached) $ac_c" 1>&6
else
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  cat > conftest.$ac_ext <<EOF
1676
#line 1635 "ltconfig"
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/* System header to define __stub macros and hopefully few prototypes,
    which can conflict with char dlopen(); below.  */
#include <assert.h>
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/* 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.  */
Jason Merrill committed
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#ifdef __cplusplus
extern "C"
#endif
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char dlopen();

int main() {
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/* 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

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; return 0; }
EOF
1701
if { (eval echo $progname:1660: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
1702
  rm -rf conftest*
1703
  ac_cv_func_dlopen=yes
1704 1705 1706 1707
else
  echo "$progname: failed program was:" >&5
  cat conftest.$ac_ext >&5
  rm -rf conftest*
1708
  ac_cv_func_dlopen=no
1709 1710 1711
fi
rm -f conftest*
fi
1712
if test "X$ac_cv_func_dlopen" = Xyes; then
1713
  echo "$ac_t""yes" 1>&6
Jason Merrill committed
1714
  lt_cv_dlopen="dlopen"
1715 1716
else
  echo "$ac_t""no" 1>&6
1717
echo $ac_n "checking for dlopen in -lsvld""... $ac_c" 1>&6
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echo "$progname:1677: checking for dlopen in -lsvld" >&5
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if test "X${ac_cv_lib_svld_dlopen+set}" = Xset; then
  echo $ac_n "(cached) $ac_c" 1>&6
else
  ac_save_LIBS="$LIBS"
LIBS="-lsvld  $LIBS"
cat > conftest.$ac_ext <<EOF
1725
#line 1684 "ltconfig"
1726 1727 1728 1729 1730 1731 1732 1733 1734 1735 1736 1737
/* 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
1738
if { (eval echo $progname:1697: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
1739 1740 1741 1742 1743 1744 1745 1746 1747 1748 1749 1750 1751 1752 1753 1754 1755
  rm -rf conftest*
  ac_cv_lib_svld_dlopen=yes
else
  echo "$progname: failed program was:" >&5
  cat conftest.$ac_ext >&5
  rm -rf conftest*
  ac_cv_lib_svld_dlopen=no
fi
rm -f conftest*
LIBS="$ac_save_LIBS"

fi
if test "X$ac_cv_lib_svld_dlopen" = Xyes; then
  echo "$ac_t""yes" 1>&6
  lt_cv_dlopen="dlopen" lt_cv_dlopen_libs="-lsvld"
else
  echo "$ac_t""no" 1>&6
1756
echo $ac_n "checking for dld_link in -ldld""... $ac_c" 1>&6
1757
echo "$progname:1716: checking for dld_link in -ldld" >&5
1758
if test "X${ac_cv_lib_dld_dld_link+set}" = Xset; then
1759 1760 1761 1762 1763
  echo $ac_n "(cached) $ac_c" 1>&6
else
  ac_save_LIBS="$LIBS"
LIBS="-ldld  $LIBS"
cat > conftest.$ac_ext <<EOF
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#line 1723 "ltconfig"
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/* 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.  */
Jason Merrill committed
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#ifdef __cplusplus
extern "C"
#endif
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char dld_link();

int main() {
dld_link()
; return 0; }
EOF
1777
if { (eval echo $progname:1736: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
1778
  rm -rf conftest*
1779
  ac_cv_lib_dld_dld_link=yes
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else
  echo "$progname: failed program was:" >&5
  cat conftest.$ac_ext >&5
  rm -rf conftest*
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  ac_cv_lib_dld_dld_link=no
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fi
rm -f conftest*
LIBS="$ac_save_LIBS"

fi
1790
if test "X$ac_cv_lib_dld_dld_link" = Xyes; then
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  echo "$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""... $ac_c" 1>&6
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echo "$progname:1755: checking for shl_load" >&5
1797
if test "X${ac_cv_func_shl_load+set}" = Xset; then
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  echo $ac_n "(cached) $ac_c" 1>&6
else
  cat > conftest.$ac_ext <<EOF
1801
#line 1760 "ltconfig"
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/* 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.  */
Jason Merrill committed
1808 1809 1810
#ifdef __cplusplus
extern "C"
#endif
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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
1826
if { (eval echo $progname:1785: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
1827
  rm -rf conftest*
1828
  ac_cv_func_shl_load=yes
1829 1830 1831 1832
else
  echo "$progname: failed program was:" >&5
  cat conftest.$ac_ext >&5
  rm -rf conftest*
1833
  ac_cv_func_shl_load=no
1834 1835 1836 1837
fi
rm -f conftest*
fi

1838
if test "X$ac_cv_func_shl_load" = Xyes; then
1839 1840 1841 1842
  echo "$ac_t""yes" 1>&6
  lt_cv_dlopen="shl_load"
else
  echo "$ac_t""no" 1>&6
Jason Merrill committed
1843
echo $ac_n "checking for shl_load in -ldld""... $ac_c" 1>&6
1844
echo "$progname:1803: checking for shl_load in -ldld" >&5
1845
if test "X${ac_cv_lib_dld_shl_load+set}" = Xset; then
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  echo $ac_n "(cached) $ac_c" 1>&6
else
Jason Merrill committed
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  ac_save_LIBS="$LIBS"
LIBS="-ldld  $LIBS"
cat > conftest.$ac_ext <<EOF
1851
#line 1810 "ltconfig"
Jason Merrill committed
1852
#include "confdefs.h"
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/* 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.  */
Jason Merrill committed
1856 1857
#ifdef __cplusplus
extern "C"
1858
#endif
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1859
char shl_load();
1860

Jason Merrill committed
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int main() {
shl_load()
1863 1864
; return 0; }
EOF
1865
if { (eval echo $progname:1824: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
1866
  rm -rf conftest*
1867
  ac_cv_lib_dld_shl_load=yes
1868 1869 1870 1871
else
  echo "$progname: failed program was:" >&5
  cat conftest.$ac_ext >&5
  rm -rf conftest*
1872
  ac_cv_lib_dld_shl_load=no
1873 1874
fi
rm -f conftest*
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1875
LIBS="$ac_save_LIBS"
1876

Jason Merrill committed
1877
fi
1878
if test "X$ac_cv_lib_dld_shl_load" = Xyes; then
1879
  echo "$ac_t""yes" 1>&6
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1880
  lt_cv_dlopen="shl_load" lt_cv_dlopen_libs="-ldld"
1881 1882 1883 1884
else
  echo "$ac_t""no" 1>&6
fi

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fi

1888

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fi

1891

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fi


fi

fi

1899 1900
fi

1901 1902
  if test "x$lt_cv_dlopen" != xno; then
    enable_dlopen=yes
1903 1904
  else
    enable_dlopen=no
1905 1906
  fi

1907
  case $lt_cv_dlopen in
1908 1909 1910 1911
  dlopen)
for ac_hdr in dlfcn.h; do
ac_safe=`echo "$ac_hdr" | sed 'y%./+-%__p_%'`
echo $ac_n "checking for $ac_hdr""... $ac_c" 1>&6
1912
echo "$progname:1871: checking for $ac_hdr" >&5
1913
if eval "test \"`echo 'X$''{'ac_cv_header_$ac_safe'+set}'`\" = Xset"; then
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  echo $ac_n "(cached) $ac_c" 1>&6
else
  cat > conftest.$ac_ext <<EOF
1917
#line 1876 "ltconfig"
1918 1919
#include <$ac_hdr>
int fnord = 0;
1920
int main () { return(0); }
1921
EOF
Jason Merrill committed
1922
ac_try="$ac_compile >/dev/null 2>conftest.out"
1923
{ (eval echo $progname:1882: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
1924 1925 1926 1927 1928 1929 1930 1931 1932 1933 1934 1935 1936 1937 1938 1939 1940 1941 1942 1943 1944 1945 1946 1947 1948 1949 1950
ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${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""... $ac_c" 1>&6
1951
echo "$progname:1910: checking whether a program can dlopen itself" >&5
1952
if test "X${lt_cv_dlopen_self+set}" = Xset; then
1953 1954 1955 1956 1957
  echo $ac_n "(cached) $ac_c" 1>&6
else
  if test "$cross_compiling" = yes; then
    lt_cv_dlopen_self=cross
  else
1958
    cat > conftest.$ac_ext <<EOF
1959
#line 1918 "ltconfig"
1960 1961 1962 1963 1964 1965 1966 1967 1968 1969 1970 1971 1972 1973 1974 1975 1976 1977 1978 1979 1980 1981 1982 1983 1984 1985 1986 1987 1988 1989 1990 1991 1992 1993 1994 1995 1996 1997 1998

#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

1999 2000 2001
void fnord() { int i=42; }
int main() {
    void *self, *ptr1, *ptr2; self=dlopen(0,LTDL_GLOBAL|LTDL_LAZY_OR_NOW);
2002
    if(self) { ptr1=dlsym(self,"fnord"); ptr2=dlsym(self,"_fnord");
2003
               if(ptr1 || ptr2) { dlclose(self); exit(0); } } exit(1); }
2004 2005

EOF
2006
if { (eval echo $progname:1965: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest && (./conftest; exit) 2>/dev/null
2007 2008 2009 2010 2011 2012 2013 2014 2015 2016 2017 2018 2019 2020 2021 2022 2023 2024
then
  lt_cv_dlopen_self=yes
else
  echo "$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""... $ac_c" 1>&6
2025
echo "$progname:1984: checking whether a statically linked program can dlopen itself" >&5
2026
if test "X${lt_cv_dlopen_self_static+set}" = Xset; then
2027 2028 2029 2030 2031
  echo $ac_n "(cached) $ac_c" 1>&6
else
  if test "$cross_compiling" = yes; then
    lt_cv_dlopen_self_static=cross
  else
2032
    cat > conftest.$ac_ext <<EOF
2033
#line 1992 "ltconfig"
2034 2035 2036 2037 2038 2039 2040 2041 2042 2043 2044 2045 2046 2047 2048 2049 2050 2051 2052 2053 2054 2055 2056 2057 2058 2059 2060 2061 2062 2063 2064 2065 2066 2067 2068 2069 2070 2071 2072

#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

2073 2074 2075
void fnord() { int i=42; }
int main() {
    void *self, *ptr1, *ptr2; self=dlopen(0,LTDL_GLOBAL|LTDL_LAZY_OR_NOW);
2076
    if(self) { ptr1=dlsym(self,"fnord"); ptr2=dlsym(self,"_fnord");
2077
    if(ptr1 || ptr2) { dlclose(self); exit(0); } } exit(1); }
2078 2079

EOF
2080
if { (eval echo $progname:2039: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest && (./conftest; exit) 2>/dev/null
2081 2082 2083 2084 2085 2086 2087 2088 2089 2090 2091 2092 2093 2094 2095 2096 2097 2098
then
  lt_cv_dlopen_self_static=yes
else
  echo "$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

2099
  case $lt_cv_dlopen_self in
2100 2101 2102 2103
  yes|no) enable_dlopen_self=$lt_cv_dlopen_self ;;
  *) enable_dlopen_self=unknown ;;
  esac

2104
  case $lt_cv_dlopen_self_static in
2105 2106 2107 2108 2109
  yes|no) enable_dlopen_self_static=$lt_cv_dlopen_self_static ;;
  *) enable_dlopen_self_static=unknown ;;
  esac
fi

#  
Jeff Law committed
2110 2111 2112
# Copy echo and quote the copy, instead of the original, because it is
# used later.
ltecho="$echo"
2113 2114 2115 2116
if test "X$ltecho" = "X$CONFIG_SHELL $0 --fallback-echo"; then
   ltecho="$CONFIG_SHELL \$0 --fallback-echo"
fi
LTSHELL="$SHELL"
#  
Jeff Law committed
2117

2118 2119 2120
LTCONFIG_VERSION="$VERSION"

# Only quote variables if we're using ltmain.sh.
2121
case $ltmain in
2122 2123
*.sh)
  # Now quote all the things that may contain metacharacters.
2124
  for var in ltecho old_AR old_AR_FLAGS old_CC old_LTCC old_CFLAGS old_CPPFLAGS \
2125
    old_MAGIC_CMD old_LD old_LDFLAGS old_LIBS \
2126 2127 2128 2129 2130
    old_LN_S old_NM old_RANLIB old_STRIP \
    old_AS old_DLLTOOL old_OBJDUMP \
    old_OBJEXT old_EXEEXT old_reload_flag \
    old_deplibs_check_method old_file_magic_cmd \
    AR AR_FLAGS CC LTCC LD LN_S NM LTSHELL LTCONFIG_VERSION \
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    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 \
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    old_postuninstall_cmds archive_cmds archive_expsym_cmds postinstall_cmds \
    postuninstall_cmds extract_expsyms_cmds old_archive_from_expsyms_cmds \
    predep_objects postdep_objects predeps postdeps compiler_lib_search_path \
    old_striplib striplib file_magic_cmd export_symbols_cmds \
    deplibs_check_method allow_undefined_flag no_undefined_flag \
2141 2142 2143
    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 \
2144
    compiler_c_o need_locks exclude_expsyms include_expsyms; do
2145

2146
    case $var in
2147 2148 2149
    reload_cmds | old_archive_cmds | old_archive_from_new_cmds | \
    old_postinstall_cmds | old_postuninstall_cmds | \
    export_symbols_cmds | archive_cmds | archive_expsym_cmds | \
2150
    extract_expsyms_cmds | old_archive_from_expsyms_cmds | \
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    postinstall_cmds | postuninstall_cmds | \
    finish_cmds | sys_lib_search_path_spec | sys_lib_dlsearch_path_spec)
      # Double-quote double-evaled strings.
2154
      eval "$var=\\\"\`\$echo \"X\$$var\" | \$Xsed -e \"\$double_quote_subst\" -e \"\$sed_quote_subst\" -e \"\$delay_variable_subst\"\`\\\"" ### testsuite: skip nested quoting test
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      ;;
    *)
2157
      eval "$var=\\\"\`\$echo \"X\$$var\" | \$Xsed -e \"\$sed_quote_subst\"\`\\\"" ### testsuite: skip nested quoting test
2158 2159 2160 2161
      ;;
    esac
  done

2162
  case $ltecho in
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  *'\$0 --fallback-echo"')
    ltecho=`$echo "X$ltecho" | $Xsed -e 's/\\\\\\\$0 --fallback-echo"$/$0 --fallback-echo"/'`
#  
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    ;;
  esac
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  if test -z "$tagname"; then
    trap "$rm \"$ofile\"; exit 1" 1 2 15
    echo "creating $ofile"
    $rm "$ofile"
    cat <<EOF > "$ofile"
#  
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#! $SHELL

# `$echo "$ofile" | sed 's%^.*/%%'` - Provide generalized library-building support services.
2176
# Generated automatically by $PROGRAM (GNU $PACKAGE $VERSION$TIMESTAMP)
#  
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# NOTE: Changes made to this file will be lost: look at ltconfig or ltmain.sh.
#
2179
# Copyright (C) 1996-2000 Free Software Foundation, Inc.
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2180
# Originally by Gordon Matzigkeit <gord@gnu.ai.mit.edu>, 1996
#  
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#
# 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.
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if test "X\${CDPATH+set}" = Xset; then CDPATH=:; export CDPATH; fi
#  
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2207

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# The names of the tagged configurations supported by this script.
available_tags=

#  
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### BEGIN LIBTOOL CONFIG
2212
EOF
2213 2214 2215 2216
  else
    echo "appending configuration tag \"$tagname\" to $ofile"
    echo "### BEGIN LIBTOOL TAG CONFIG: $tagname" >> "$ofile"
  fi
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  cfgfile="$ofile"
  ;;

*)
  # Double-quote the variables that need it (for aesthetics).
2222
  for var in old_AR old_AR_FLAGS old_CC old_LTCC old_CFLAGS old_CPPFLAGS \
2223
    old_MAGIC_CMD old_LD old_LDFLAGS old_LIBS \
2224 2225 2226 2227
    old_LN_S old_NM old_RANLIB old_STRIP \
    old_AS old_DLLTOOL old_OBJDUMP \
    old_OBJEXT old_EXEEXT old_reload_flag \
    old_deplibs_check_method old_file_magic_cmd; do
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    eval "$var=\\\"\$var\\\""
  done

  # Just create a config file.
  cfgfile="$ofile.cfg"
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  if test -z "$tagname"; then
    trap "$rm \"$cfgfile\"; exit 1" 1 2 15
    echo "creating $cfgfile"
    $rm "$cfgfile"
    cat <<EOF > "$cfgfile"
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# `$echo "$cfgfile" | sed 's%^.*/%%'` - Libtool configuration file.
# Generated automatically by $PROGRAM (GNU $PACKAGE $VERSION$TIMESTAMP)
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### BEGIN LIBTOOL CONFIG
2242
EOF
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  else
    echo "appending to $cfgfile"
    echo "### BEGIN LIBTOOL TAG CONFIG: $tagname" >> "$ofile"
  fi
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  ;;
esac

cat <<EOF >> "$cfgfile"
#  
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2251
# Libtool was configured as follows, on host `(hostname || uname -n) 2>/dev/null | sed 1q`:
Jason Merrill committed
2252
#
2253 2254
# AR=$old_AR AR_FLAGS=$old_AR_FLAGS LTCC=$old_LTCC CC=$old_CC \\
# CFLAGS=$old_CFLAGS CPPFLAGS=$old_CPPFLAGS \\
2255
# MAGIC_CMD=$old_MAGIC_CMD LD=$old_LD LDFLAGS=$old_LDFLAGS LIBS=$old_LIBS \\
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# LN_S=$old_LN_S NM=$old_NM RANLIB=$old_RANLIB STRIP=$old_STRIP \\
# AS=$old_AS DLLTOOL=$old_DLLTOOL OBJDUMP=$old_OBJDUMP \\
# objext=$old_OBJEXT exeext=$old_EXEEXT reload_flag=$old_reload_flag \\
# deplibs_check_method=$old_deplibs_check_method \\
# file_magic_cmd=$old_file_magic_cmd \\
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#   $0$ltconfig_args
#
# Compiler and other test output produced by $progname, useful for
# debugging $progname, is in ./config.log if it exists.

# The version of $progname that generated this script.
2267
LTCONFIG_VERSION=$LTCONFIG_VERSION
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#  
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# Shell to use when invoking shell scripts.
2270
SHELL=$LTSHELL
#  
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# Whether or not to build shared libraries.
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build_libtool_libs=$enable_shared

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# Whether or not to add -lc for building shared libraries.
build_libtool_need_lc=$need_lc

#  
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# Whether or not to build static libraries.
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build_old_libs=$enable_static

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# Whether or not to optimize for fast installation.
fast_install=$enable_fast_install

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# The host system.
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host_alias=$host_alias
host=$host
Jason Merrill committed
2287

#  
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2288
# An echo program that does not interpret backslashes.
2289
echo=$ltecho
#  
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2290

Jason Merrill committed
2291
# The archiver.
2292
AR=$AR
2293
AR_FLAGS=$AR_FLAGS
#  
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2294

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# A C compiler.
LTCC=$LTCC

# A language-specific compiler.
2299
CC=$CC
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# Is the compiler the GNU C compiler?
with_gcc=$with_gcc

Jason Merrill committed
2304
# The linker used to build libraries.
2305
LD=$LD
Jason Merrill committed
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# Whether we need hard or soft links.
2308
LN_S=$LN_S
#  
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# A BSD-compatible nm program.
2311
NM=$NM
#  
Jeff Law committed
2312

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# A symbol stripping program
STRIP=$STRIP

# Used to examine libraries when file_magic_cmd begins "file"
2317
MAGIC_CMD=$MAGIC_CMD
2318

2319
# Used on cygwin: DLL creation program.
#  
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DLLTOOL="$DLLTOOL"

Jason Merrill committed
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# Used on cygwin: object dumper.
OBJDUMP="$OBJDUMP"

2325
# Used on cygwin: assembler.
#  
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AS="$AS"

# The name of the directory that contains temporary libtool files.
2329
objdir=$objdir
Jason Merrill committed
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# How to create reloadable object files.
2332 2333
reload_flag=$reload_flag
reload_cmds=$reload_cmds
Jason Merrill committed
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# How to pass a linker flag through the compiler.
2336
wl=$wl
Jason Merrill committed
2337

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# Object file suffix (normally "o").
objext="$objext"

# Old archive suffix (normally "a").
libext="$libext"

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# Shared library suffix (normally ".so").
shrext='$shrext'

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# Executable file suffix (normally "").
exeext="$exeext"

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2350
# Additional compiler flags for building library objects.
2351
pic_flag=$pic_flag
2352
pic_mode=$pic_mode
2353

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# What is the maximum length of a command?
max_cmd_len=$max_cmd_len

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# Does compiler simultaneously support -c and -o options?
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compiler_c_o=$compiler_c_o

# 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.
2370
dlopen_support=$enable_dlopen
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# Whether dlopen of programs is supported.
dlopen_self=$enable_dlopen_self

# Whether dlopen of statically linked programs is supported.
dlopen_self_static=$enable_dlopen_self_static
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# Compiler flag to prevent dynamic linking.
2379
link_static_flag=$link_static_flag
Jason Merrill committed
2380

#  
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# Compiler flag to turn off builtin functions.
2382
no_builtin_flag=$no_builtin_flag
Jason Merrill committed
2383

#  
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2384
# Compiler flag to allow reflexive dlopens.
2385
export_dynamic_flag_spec=$export_dynamic_flag_spec
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2386

2387
# Compiler flag to generate shared objects directly from archives.
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whole_archive_flag_spec=$whole_archive_flag_spec

# Compiler flag to generate thread-safe objects.
thread_safe_flag_spec=$thread_safe_flag_spec
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# Library versioning type.
version_type=$version_type

#  
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2396
# Format of library name prefix.
2397
libname_spec=$libname_spec
#  
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2398

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# 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.
2401
library_names_spec=$library_names_spec
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# The coded name of the library, if different from the real name.
2404
soname_spec=$soname_spec
Jason Merrill committed
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# Commands used to build and install an old-style archive.
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RANLIB=$RANLIB
old_archive_cmds=$old_archive_cmds
old_postinstall_cmds=$old_postinstall_cmds
old_postuninstall_cmds=$old_postuninstall_cmds
#  
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# Create an old-style archive from a shared archive.
2413
old_archive_from_new_cmds=$old_archive_from_new_cmds
Jason Merrill committed
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# Create a temporary old-style archive to link instead of a shared archive.
old_archive_from_expsyms_cmds=$old_archive_from_expsyms_cmds

Jason Merrill committed
2418
# Commands used to build and install a shared archive.
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archive_cmds=$archive_cmds
archive_expsym_cmds=$archive_expsym_cmds
postinstall_cmds=$postinstall_cmds
postuninstall_cmds=$postuninstall_cmds

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# Commands to strip libraries.
old_striplib=$old_striplib
striplib=$striplib

# Dependencies to place before the objects being linked to create a
# shared library.
predep_objects=$predep_objects

# Dependencies to place after the objects being linked to create a
# shared library.
postdep_objects=$postdep_objects

# Dependencies to place before the objects being linked to create a
# shared library.
predeps=$predeps

# Dependencies to place after the objects being linked to create a
# shared library.
postdeps=$postdeps

# The library search path used internally by the compiler when linking
# a shared library.
compiler_lib_search_path=$compiler_lib_search_path

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# Method to check whether dependent libraries are shared objects.
deplibs_check_method=$deplibs_check_method

Jason Merrill committed
2451
# Command to use when deplibs_check_method == file_magic.
2452
file_magic_cmd=$file_magic_cmd
Jason Merrill committed
2453 2454

# Flag that allows shared libraries with undefined symbols to be built.
2455
allow_undefined_flag=$allow_undefined_flag
#  
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2456 2457

# Flag that forces no undefined symbols.
2458
no_undefined_flag=$no_undefined_flag
Jason Merrill committed
2459 2460

# Commands used to finish a libtool library installation in a directory.
2461
finish_cmds=$finish_cmds
#  
Jeff Law committed
2462 2463

# Same as above, but a single script fragment to be evaled but not shown.
2464
finish_eval=$finish_eval
Jason Merrill committed
2465

#  
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2466
# Take the output of nm and produce a listing of raw symbols and C names.
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global_symbol_pipe=$global_symbol_pipe

# Transform the output of nm in a proper C declaration
global_symbol_to_cdecl=$global_symbol_to_cdecl
Jason Merrill committed
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# This is the shared library runtime path variable.
runpath_var=$runpath_var

# This is the shared library path variable.
shlibpath_var=$shlibpath_var

2478 2479 2480
# Is shlibpath searched before the hard-coded library search path?
shlibpath_overrides_runpath=$shlibpath_overrides_runpath

Jason Merrill committed
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# How to hardcode a shared library path into an executable.
hardcode_action=$hardcode_action

2484 2485 2486
# Whether we should hardcode library paths into libraries.
hardcode_into_libs=$hardcode_into_libs

Jason Merrill committed
2487 2488
# Flag to hardcode \$libdir into a binary during linking.
# This must work even if \$libdir does not exist.
2489
hardcode_libdir_flag_spec=$hardcode_libdir_flag_spec
Jason Merrill committed
2490 2491

# Whether we need a single -rpath flag with a separated argument.
2492
hardcode_libdir_separator=$hardcode_libdir_separator
Jason Merrill committed
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# Set to yes if using DIR/libNAME.so during linking hardcodes DIR into the
# resulting binary.
hardcode_direct=$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
2505

2506 2507 2508 2509 2510 2511 2512
# Variables whose values should be saved in libtool wrapper scripts and
# restored at relink time.
variables_saved_for_relink="$variables_saved_for_relink"

# Whether libtool must link a program against all its dependency libraries.
link_all_deplibs=$link_all_deplibs

2513 2514 2515 2516 2517 2518
# 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

2519 2520
# Fix the shell variable \$srcfile for the compiler.
fix_srcfile_path="$fix_srcfile_path"
2521

Jason Merrill committed
2522
# Set to yes if exported symbols are required.
2523 2524
always_export_symbols=$always_export_symbols

Jason Merrill committed
2525
# The commands to list exported symbols.
2526 2527
export_symbols_cmds=$export_symbols_cmds

2528 2529 2530
# The commands to extract the exported symbol list from a shared archive.
extract_expsyms_cmds=$extract_expsyms_cmds

Jason Merrill committed
2531
# Symbols that should not be listed in the preloaded symbols.
2532 2533
exclude_expsyms=$exclude_expsyms

Jason Merrill committed
2534
# Symbols that must always be exported.
2535 2536
include_expsyms=$include_expsyms

Jason Merrill committed
2537 2538
EOF

2539 2540 2541 2542 2543 2544
if test -z "$tagname"; then
  echo '### END LIBTOOL CONFIG' >> "$ofile"
else
  echo "### END LIBTOOL TAG CONFIG: $tagname" >> "$ofile"
fi

2545
case $ltmain in
2546 2547
*.sh)
  echo >> "$ofile"
2548
  if test -z "$tagname"; then
2549
    case $host_os in
2550 2551
    aix3*)
      cat <<\EOF >> "$ofile"
#  
Jeff Law committed
2552 2553 2554 2555

# 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.
Jason Merrill committed
2556
if test "X${COLLECT_NAMES+set}" != Xset; then
#  
Jeff Law committed
2557 2558 2559 2560
  COLLECT_NAMES=
  export COLLECT_NAMES
fi
EOF
2561 2562
      ;;
    esac
2563
    case $host in
2564
    *-*-cygwin* | *-*-mingw* | *-*-pw32* | *-*-os2*)
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      cat <<'EOF' >> "$ofile"
      # This is a source program that is used to create dlls on Windows
      # Don't remove nor modify the starting and closing comments
# /* ltdll.c starts here */
# #define WIN32_LEAN_AND_MEAN
# #include <windows.h>
# #undef WIN32_LEAN_AND_MEAN
# #include <stdio.h>
#
# #ifndef __CYGWIN__
# #  ifdef __CYGWIN32__
# #    define __CYGWIN__ __CYGWIN32__
# #  endif
# #endif
#
# #ifdef __cplusplus
# extern "C" {
# #endif
# BOOL APIENTRY DllMain (HINSTANCE hInst, DWORD reason, LPVOID reserved);
# #ifdef __cplusplus
# }
# #endif
#
# #ifdef __CYGWIN__
# #include <cygwin/cygwin_dll.h>
# DECLARE_CYGWIN_DLL( DllMain );
# #endif
# HINSTANCE __hDllInstance_base;
#
# BOOL APIENTRY
# DllMain (HINSTANCE hInst, DWORD reason, LPVOID reserved)
# {
#   __hDllInstance_base = hInst;
#   return TRUE;
# }
# /* ltdll.c ends here */
      # This is a source program that is used to create import libraries
      # on Windows for dlls which lack them. Don't remove nor modify the
      # starting and closing comments
# /* impgen.c starts here */
# /*   Copyright (C) 1999-2000 Free Software Foundation, Inc.
#
#  This file is part of GNU libtool.
#
#  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.
#  */
#
#  #include <stdio.h>		/* for printf() */
#  #include <unistd.h>		/* for open(), lseek(), read() */
#  #include <fcntl.h>		/* for O_RDONLY, O_BINARY */
#  #include <string.h>		/* for strdup() */
#
#  /* O_BINARY isn't required (or even defined sometimes) under Unix */
#  #ifndef O_BINARY
#  #define O_BINARY 0
#  #endif
#
#  static unsigned int
#  pe_get16 (fd, offset)
#       int fd;
#       int offset;
#  {
#    unsigned char b[2];
#    lseek (fd, offset, SEEK_SET);
#    read (fd, b, 2);
#    return b[0] + (b[1]<<8);
#  }
#
#  static unsigned int
#  pe_get32 (fd, offset)
#      int fd;
#      int offset;
#  {
#    unsigned char b[4];
#    lseek (fd, offset, SEEK_SET);
#    read (fd, b, 4);
#    return b[0] + (b[1]<<8) + (b[2]<<16) + (b[3]<<24);
#  }
#
#  static unsigned int
#  pe_as32 (ptr)
#       void *ptr;
#  {
#    unsigned char *b = ptr;
#    return b[0] + (b[1]<<8) + (b[2]<<16) + (b[3]<<24);
#  }
#
#  int
#  main (argc, argv)
#      int argc;
#      char *argv[];
#  {
#      int dll;
#      unsigned long pe_header_offset, opthdr_ofs, num_entries, i;
#      unsigned long export_rva, export_size, nsections, secptr, expptr;
#      unsigned long name_rvas, nexp;
#      unsigned char *expdata, *erva;
#      char *filename, *dll_name;
#
#      filename = argv[1];
#
#      dll = open(filename, O_RDONLY|O_BINARY);
2679
#      if (dll < 1)
2680 2681 2682 2683 2684 2685 2686 2687 2688 2689 2690 2691 2692 2693 2694 2695 2696 2697 2698 2699 2700 2701 2702 2703 2704 2705 2706 2707 2708 2709 2710 2711 2712 2713 2714 2715 2716 2717 2718 2719 2720 2721 2722 2723 2724 2725 2726 2727 2728 2729 2730 2731 2732 2733 2734 2735 2736 2737 2738 2739
#  	return 1;
#
#      dll_name = filename;
#
#      for (i=0; filename[i]; i++)
#  	if (filename[i] == '/' || filename[i] == '\\'  || filename[i] == ':')
#  	    dll_name = filename + i +1;
#
#      pe_header_offset = pe_get32 (dll, 0x3c);
#      opthdr_ofs = pe_header_offset + 4 + 20;
#      num_entries = pe_get32 (dll, opthdr_ofs + 92);
#
#      if (num_entries < 1) /* no exports */
#  	return 1;
#
#      export_rva = pe_get32 (dll, opthdr_ofs + 96);
#      export_size = pe_get32 (dll, opthdr_ofs + 100);
#      nsections = pe_get16 (dll, pe_header_offset + 4 +2);
#      secptr = (pe_header_offset + 4 + 20 +
#  	      pe_get16 (dll, pe_header_offset + 4 + 16));
#
#      expptr = 0;
#      for (i = 0; i < nsections; i++)
#      {
#  	char sname[8];
#  	unsigned long secptr1 = secptr + 40 * i;
#  	unsigned long vaddr = pe_get32 (dll, secptr1 + 12);
#  	unsigned long vsize = pe_get32 (dll, secptr1 + 16);
#  	unsigned long fptr = pe_get32 (dll, secptr1 + 20);
#  	lseek(dll, secptr1, SEEK_SET);
#  	read(dll, sname, 8);
#  	if (vaddr <= export_rva && vaddr+vsize > export_rva)
#  	{
#  	    expptr = fptr + (export_rva - vaddr);
#  	    if (export_rva + export_size > vaddr + vsize)
#  		export_size = vsize - (export_rva - vaddr);
#  	    break;
#  	}
#      }
#
#      expdata = (unsigned char*)malloc(export_size);
#      lseek (dll, expptr, SEEK_SET);
#      read (dll, expdata, export_size);
#      erva = expdata - export_rva;
#
#      nexp = pe_as32 (expdata+24);
#      name_rvas = pe_as32 (expdata+32);
#
#      printf ("EXPORTS\n");
#      for (i = 0; i<nexp; i++)
#      {
#  	unsigned long name_rva = pe_as32 (erva+name_rvas+i*4);
#  	printf ("\t%s @ %ld ;\n", erva+name_rva, 1+ i);
#      }
#
#      return 0;
#  }
# /* impgen.c ends here */

EOF
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    ;;
  esac


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    # 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"
  fi
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  ;;

*)
  # Compile the libtool program.
  echo "FIXME: would compile $ltmain"
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  ;;
esac

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# Update the list of available tags.
if test -n "$tagname"; then

  # Extract list of available tagged configurations in $ofile.
  # Note that this assumes the entire list is on one line.
  available_tags=`grep "^available_tags=" $ofile | sed -e 's/available_tags=\(.*$\)/\1/' -e 's/\"//g'`

  # Append the new tag name to the list of available tags.
  available_tags="$available_tags $tagname"

  # Now substitute the updated of available tags.
  if eval "sed -e 's/^available_tags=.*\$/available_tags=\"$available_tags\"/' ${ofile} > ${ofile}.new"; then
    mv ${ofile}.new ${ofile}
    chmod +x "$ofile"
  else
    rm -f ${ofile}.new
    echo "$progname: unable to update list of available tagged configurations."
    exit 1
  fi
fi

# Don't cache tagged configuration!
test -n "$cache_file" && test -z "$tagname" || exit 0
#  
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# 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
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exit 0

# Local Variables:
# mode:shell-script
# sh-indentation:2
# End: