ltconfig
author Sam Lantinga <slouken@libsdl.org>
Fri, 14 Dec 2001 12:30:25 +0000
changeset 249 e3d0d44f6f2e
parent 215 041cd6816a05
child 260 716ab2549f78
permissions -rwxr-xr-x
*** empty log message ***
     1 #! /bin/sh
     2 
     3 # ltconfig - Create a system-specific libtool.
     4 # Copyright (C) 1996-1999 Free Software Foundation, Inc.
     5 # Originally by Gordon Matzigkeit <gord@gnu.ai.mit.edu>, 1996
     6 #
     7 # This file is free software; you can redistribute it and/or modify it
     8 # under the terms of the GNU General Public License as published by
     9 # the Free Software Foundation; either version 2 of the License, or
    10 # (at your option) any later version.
    11 #
    12 # This program is distributed in the hope that it will be useful, but
    13 # WITHOUT ANY WARRANTY; without even the implied warranty of
    14 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
    15 # General Public License for more details.
    16 #
    17 # You should have received a copy of the GNU General Public License
    18 # along with this program; if not, write to the Free Software
    19 # Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
    20 #
    21 # As a special exception to the GNU General Public License, if you
    22 # distribute this file as part of a program that contains a
    23 # configuration script generated by Autoconf, you may include it under
    24 # the same distribution terms that you use for the rest of that program.
    25 
    26 # A lot of this script is taken from autoconf-2.10.
    27 
    28 # Check that we are running under the correct shell.
    29 SHELL=${CONFIG_SHELL-/bin/sh}
    30 echo=echo
    31 if test "X$1" = X--no-reexec; then
    32   # Discard the --no-reexec flag, and continue.
    33   shift
    34 elif test "X$1" = X--fallback-echo; then
    35   # Avoid inline document here, it may be left over
    36   :
    37 elif test "X`($echo '\t') 2>/dev/null`" = 'X\t'; then
    38   # Yippee, $echo works!
    39   :
    40 else
    41   # Restart under the correct shell.
    42   exec "$SHELL" "$0" --no-reexec ${1+"$@"}
    43 fi
    44 
    45 if test "X$1" = X--fallback-echo; then
    46   # used as fallback echo
    47   shift
    48   cat <<EOF
    49 $*
    50 EOF
    51   exit 0
    52 fi
    53 
    54 # Find the correct PATH separator.  Usually this is `:', but
    55 # DJGPP uses `;' like DOS.
    56 if test "X${PATH_SEPARATOR+set}" != Xset; then
    57   UNAME=${UNAME-`uname 2>/dev/null`}
    58   case X$UNAME in
    59     *-DOS) PATH_SEPARATOR=';' ;;
    60     *)     PATH_SEPARATOR=':' ;;
    61   esac
    62 fi
    63 
    64 # The HP-UX ksh and POSIX shell print the target directory to stdout
    65 # if CDPATH is set.
    66 if test "X${CDPATH+set}" = Xset; then CDPATH=:; export CDPATH; fi
    67 
    68 if test "X${echo_test_string+set}" != Xset; then
    69   # find a string as large as possible, as long as the shell can cope with it
    70   for cmd in 'sed 50q "$0"' 'sed 20q "$0"' 'sed 10q "$0"' 'sed 2q "$0"' 'echo test'; do
    71     # expected sizes: less than 2Kb, 1Kb, 512 bytes, 16 bytes, ...
    72     if (echo_test_string="`eval $cmd`") 2>/dev/null &&
    73        echo_test_string="`eval $cmd`" &&
    74        (test "X$echo_test_string" = "X$echo_test_string") 2>/dev/null; then
    75       break
    76     fi
    77   done
    78 fi
    79 
    80 if test "X`($echo '\t') 2>/dev/null`" != 'X\t' ||
    81    test "X`($echo "$echo_test_string") 2>/dev/null`" != X"$echo_test_string"; then
    82   # The Solaris, AIX, and Digital Unix default echo programs unquote
    83   # backslashes.  This makes it impossible to quote backslashes using
    84   #   echo "$something" | sed 's/\\/\\\\/g'
    85   #
    86   # So, first we look for a working echo in the user's PATH.
    87 
    88   IFS="${IFS= 	}"; save_ifs="$IFS"; IFS="${IFS}${PATH_SEPARATOR}"
    89   for dir in $PATH /usr/ucb; do
    90     if (test -f $dir/echo || test -f $dir/echo$ac_exeext) &&
    91        test "X`($dir/echo '\t') 2>/dev/null`" = 'X\t' &&
    92        test "X`($dir/echo "$echo_test_string") 2>/dev/null`" = X"$echo_test_string"; then
    93       echo="$dir/echo"
    94       break
    95     fi
    96   done
    97   IFS="$save_ifs"
    98 
    99   if test "X$echo" = Xecho; then
   100     # We didn't find a better echo, so look for alternatives.
   101     if test "X`(print -r '\t') 2>/dev/null`" = 'X\t' &&
   102        test "X`(print -r "$echo_test_string") 2>/dev/null`" = X"$echo_test_string"; then
   103       # This shell has a builtin print -r that does the trick.
   104       echo='print -r'
   105     elif (test -f /bin/ksh || test -f /bin/ksh$ac_exeext) &&
   106 	 test "X$CONFIG_SHELL" != X/bin/ksh; then
   107       # If we have ksh, try running ltconfig again with it.
   108       ORIGINAL_CONFIG_SHELL="${CONFIG_SHELL-/bin/sh}"
   109       export ORIGINAL_CONFIG_SHELL
   110       CONFIG_SHELL=/bin/ksh
   111       export CONFIG_SHELL
   112       exec "$CONFIG_SHELL" "$0" --no-reexec ${1+"$@"}
   113     else
   114       # Try using printf.
   115       echo='printf "%s\n"'
   116       if test "X`($echo '\t') 2>/dev/null`" = 'X\t' &&
   117 	 test "X`($echo "$echo_test_string") 2>/dev/null`" = X"$echo_test_string"; then
   118 	# Cool, printf works
   119 	:
   120       elif test "X`("$ORIGINAL_CONFIG_SHELL" "$0" --fallback-echo '\t') 2>/dev/null`" = 'X\t' &&
   121 	   test "X`("$ORIGINAL_CONFIG_SHELL" "$0" --fallback-echo "$echo_test_string") 2>/dev/null`" = X"$echo_test_string"; then
   122 	CONFIG_SHELL="$ORIGINAL_CONFIG_SHELL"
   123 	export CONFIG_SHELL
   124 	SHELL="$CONFIG_SHELL"
   125 	export SHELL
   126 	echo="$CONFIG_SHELL $0 --fallback-echo"
   127       elif test "X`("$CONFIG_SHELL" "$0" --fallback-echo '\t') 2>/dev/null`" = 'X\t' &&
   128 	   test "X`("$CONFIG_SHELL" "$0" --fallback-echo "$echo_test_string") 2>/dev/null`" = X"$echo_test_string"; then
   129 	echo="$CONFIG_SHELL $0 --fallback-echo"
   130       else
   131 	# maybe with a smaller string...
   132 	prev=:
   133 
   134 	for cmd in 'echo test' 'sed 2q "$0"' 'sed 10q "$0"' 'sed 20q "$0"' 'sed 50q "$0"'; do
   135 	  if (test "X$echo_test_string" = "X`eval $cmd`") 2>/dev/null; then
   136 	    break
   137 	  fi
   138 	  prev="$cmd"
   139 	done
   140 
   141 	if test "$prev" != 'sed 50q "$0"'; then
   142 	  echo_test_string=`eval $prev`
   143 	  export echo_test_string
   144 	  exec "${ORIGINAL_CONFIG_SHELL}" "$0" ${1+"$@"}
   145 	else
   146 	  # Oops.  We lost completely, so just stick with echo.
   147 	  echo=echo
   148 	fi
   149       fi
   150     fi
   151   fi
   152 fi
   153 
   154 # Sed substitution that helps us do robust quoting.  It backslashifies
   155 # metacharacters that are still active within double-quoted strings.
   156 Xsed='sed -e s/^X//'
   157 sed_quote_subst='s/\([\\"\\`$\\\\]\)/\\\1/g'
   158 
   159 # Same as above, but do not quote variable references.
   160 double_quote_subst='s/\([\\"\\`\\\\]\)/\\\1/g'
   161 
   162 # Sed substitution to delay expansion of an escaped shell variable in a
   163 # double_quote_subst'ed string.
   164 delay_variable_subst='s/\\\\\\\\\\\$/\\\\\\$/g'
   165 
   166 # The name of this program.
   167 progname=`$echo "X$0" | $Xsed -e 's%^.*/%%'`
   168 
   169 # Constants:
   170 PROGRAM=ltconfig
   171 PACKAGE=libtool
   172 VERSION=1.3.5
   173 TIMESTAMP=" (1.385.2.206 2000/05/27 11:12:27)"
   174 ac_compile='${CC-cc} -c $CFLAGS $CPPFLAGS conftest.$ac_ext 1>&5'
   175 ac_link='${CC-cc} -o conftest $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS 1>&5'
   176 rm="rm -f"
   177 
   178 help="Try \`$progname --help' for more information."
   179 
   180 # Global variables:
   181 default_ofile=libtool
   182 can_build_shared=yes
   183 enable_shared=yes
   184 # All known linkers require a `.a' archive for static linking (except M$VC,
   185 # which needs '.lib').
   186 enable_static=yes
   187 enable_fast_install=yes
   188 enable_dlopen=unknown
   189 enable_win32_dll=no
   190 ltmain=
   191 silent=
   192 srcdir=
   193 ac_config_guess=
   194 ac_config_sub=
   195 host=
   196 nonopt=
   197 ofile="$default_ofile"
   198 verify_host=yes
   199 with_gcc=no
   200 with_gnu_ld=no
   201 need_locks=yes
   202 ac_ext=c
   203 objext=o
   204 libext=a
   205 exeext=
   206 cache_file=
   207 
   208 old_AR="$AR"
   209 old_CC="$CC"
   210 old_CFLAGS="$CFLAGS"
   211 old_CPPFLAGS="$CPPFLAGS"
   212 old_LDFLAGS="$LDFLAGS"
   213 old_LD="$LD"
   214 old_LN_S="$LN_S"
   215 old_LIBS="$LIBS"
   216 old_NM="$NM"
   217 old_RANLIB="$RANLIB"
   218 old_DLLTOOL="$DLLTOOL"
   219 old_OBJDUMP="$OBJDUMP"
   220 old_AS="$AS"
   221 
   222 # Parse the command line options.
   223 args=
   224 prev=
   225 for option
   226 do
   227   case "$option" in
   228   -*=*) optarg=`echo "$option" | sed 's/[-_a-zA-Z0-9]*=//'` ;;
   229   *) optarg= ;;
   230   esac
   231 
   232   # If the previous option needs an argument, assign it.
   233   if test -n "$prev"; then
   234     eval "$prev=\$option"
   235     prev=
   236     continue
   237   fi
   238 
   239   case "$option" in
   240   --help) cat <<EOM
   241 Usage: $progname [OPTION]... [HOST [LTMAIN]]
   242 
   243 Generate a system-specific libtool script.
   244 
   245     --debug                enable verbose shell tracing
   246     --disable-shared       do not build shared libraries
   247     --disable-static       do not build static libraries
   248     --disable-fast-install do not optimize for fast installation
   249     --enable-dlopen        enable dlopen support
   250     --enable-win32-dll     enable building dlls on win32 hosts
   251     --help                 display this help and exit
   252     --no-verify            do not verify that HOST is a valid host type
   253 -o, --output=FILE          specify the output file [default=$default_ofile]
   254     --quiet                same as \`--silent'
   255     --silent               do not print informational messages
   256     --srcdir=DIR           find \`config.guess' in DIR
   257     --version              output version information and exit
   258     --with-gcc             assume that the GNU C compiler will be used
   259     --with-gnu-ld          assume that the C compiler uses the GNU linker
   260     --disable-lock         disable file locking
   261     --cache-file=FILE      configure cache file
   262 
   263 LTMAIN is the \`ltmain.sh' shell script fragment or \`ltmain.c' program
   264 that provides basic libtool functionality.
   265 
   266 HOST is the canonical host system name [default=guessed].
   267 EOM
   268   exit 0
   269   ;;
   270 
   271   --debug)
   272     echo "$progname: enabling shell trace mode"
   273     set -x
   274     ;;
   275 
   276   --disable-shared) enable_shared=no ;;
   277 
   278   --disable-static) enable_static=no ;;
   279 
   280   --disable-fast-install) enable_fast_install=no ;;
   281 
   282   --enable-dlopen) enable_dlopen=yes ;;
   283 
   284   --enable-win32-dll) enable_win32_dll=yes ;;
   285 
   286   --quiet | --silent) silent=yes ;;
   287 
   288   --srcdir) prev=srcdir ;;
   289   --srcdir=*) srcdir="$optarg" ;;
   290 
   291   --no-verify) verify_host=no ;;
   292 
   293   --output | -o) prev=ofile ;;
   294   --output=*) ofile="$optarg" ;;
   295 
   296   --version) echo "$PROGRAM (GNU $PACKAGE) $VERSION$TIMESTAMP"; exit 0 ;;
   297 
   298   --with-gcc) with_gcc=yes ;;
   299   --with-gnu-ld) with_gnu_ld=yes ;;
   300 
   301   --disable-lock) need_locks=no ;;
   302 
   303   --cache-file=*) cache_file="$optarg" ;;
   304 
   305   -*)
   306     echo "$progname: unrecognized option \`$option'" 1>&2
   307     echo "$help" 1>&2
   308     exit 1
   309     ;;
   310 
   311   *)
   312     if test -z "$ltmain"; then
   313       ltmain="$option"
   314     elif test -z "$host"; then
   315 # This generates an unnecessary warning for sparc-sun-solaris4.1.3_U1
   316 #      if test -n "`echo $option| sed 's/[-a-z0-9.]//g'`"; then
   317 #        echo "$progname: warning \`$option' is not a valid host type" 1>&2
   318 #      fi
   319       host="$option"
   320     else
   321       echo "$progname: too many arguments" 1>&2
   322       echo "$help" 1>&2
   323       exit 1
   324     fi ;;
   325   esac
   326 done
   327 
   328 if test -z "$ltmain"; then
   329   echo "$progname: you must specify a LTMAIN file" 1>&2
   330   echo "$help" 1>&2
   331   exit 1
   332 fi
   333 
   334 if test ! -f "$ltmain"; then
   335   echo "$progname: \`$ltmain' does not exist" 1>&2
   336   echo "$help" 1>&2
   337   exit 1
   338 fi
   339 
   340 # Quote any args containing shell metacharacters.
   341 ltconfig_args=
   342 for arg
   343 do
   344   case "$arg" in
   345   *" "*|*"	"*|*[\[\]\~\#\$\^\&\*\(\)\{\}\\\|\;\<\>\?]*)
   346   ltconfig_args="$ltconfig_args '$arg'" ;;
   347   *) ltconfig_args="$ltconfig_args $arg" ;;
   348   esac
   349 done
   350 
   351 # A relevant subset of AC_INIT.
   352 
   353 # File descriptor usage:
   354 # 0 standard input
   355 # 1 file creation
   356 # 2 errors and warnings
   357 # 3 some systems may open it to /dev/tty
   358 # 4 used on the Kubota Titan
   359 # 5 compiler messages saved in config.log
   360 # 6 checking for... messages and results
   361 if test "$silent" = yes; then
   362   exec 6>/dev/null
   363 else
   364   exec 6>&1
   365 fi
   366 exec 5>>./config.log
   367 
   368 # NLS nuisances.
   369 # Only set LANG and LC_ALL to C if already set.
   370 # These must not be set unconditionally because not all systems understand
   371 # e.g. LANG=C (notably SCO).
   372 if test "X${LC_ALL+set}" = Xset; then LC_ALL=C; export LC_ALL; fi
   373 if test "X${LANG+set}"   = Xset; then LANG=C;   export LANG;   fi
   374 
   375 if test -n "$cache_file" && test -r "$cache_file"; then
   376   echo "loading cache $cache_file within ltconfig"
   377   . $cache_file
   378 fi
   379 
   380 if (echo "testing\c"; echo 1,2,3) | grep c >/dev/null; then
   381   # Stardent Vistra SVR4 grep lacks -e, says ghazi@caip.rutgers.edu.
   382   if (echo -n testing; echo 1,2,3) | sed s/-n/xn/ | grep xn >/dev/null; then
   383     ac_n= ac_c='
   384 ' ac_t='	'
   385   else
   386     ac_n=-n ac_c= ac_t=
   387   fi
   388 else
   389   ac_n= ac_c='\c' ac_t=
   390 fi
   391 
   392 if test -z "$srcdir"; then
   393   # Assume the source directory is the same one as the path to LTMAIN.
   394   srcdir=`$echo "X$ltmain" | $Xsed -e 's%/[^/]*$%%'`
   395   test "$srcdir" = "$ltmain" && srcdir=.
   396 fi
   397 
   398 trap "$rm conftest*; exit 1" 1 2 15
   399 if test "$verify_host" = yes; then
   400   # Check for config.guess and config.sub.
   401   ac_aux_dir=
   402   for ac_dir in $srcdir $srcdir/.. $srcdir/../..; do
   403     if test -f $ac_dir/config.guess; then
   404       ac_aux_dir=$ac_dir
   405       break
   406     fi
   407   done
   408   if test -z "$ac_aux_dir"; then
   409     echo "$progname: cannot find config.guess in $srcdir $srcdir/.. $srcdir/../.." 1>&2
   410     echo "$help" 1>&2
   411     exit 1
   412   fi
   413   ac_config_guess=$ac_aux_dir/config.guess
   414   ac_config_sub=$ac_aux_dir/config.sub
   415 
   416   # Make sure we can run config.sub.
   417   if $SHELL $ac_config_sub sun4 >/dev/null 2>&1; then :
   418   else
   419     echo "$progname: cannot run $ac_config_sub" 1>&2
   420     echo "$help" 1>&2
   421     exit 1
   422   fi
   423 
   424   echo $ac_n "checking host system type""... $ac_c" 1>&6
   425 
   426   host_alias=$host
   427   case "$host_alias" in
   428   "")
   429     if host_alias=`$SHELL $ac_config_guess`; then :
   430     else
   431       echo "$progname: cannot guess host type; you must specify one" 1>&2
   432       echo "$help" 1>&2
   433       exit 1
   434     fi ;;
   435   esac
   436   host=`$SHELL $ac_config_sub $host_alias`
   437   echo "$ac_t$host" 1>&6
   438 
   439   # Make sure the host verified.
   440   test -z "$host" && exit 1
   441 
   442 elif test -z "$host"; then
   443   echo "$progname: you must specify a host type if you use \`--no-verify'" 1>&2
   444   echo "$help" 1>&2
   445   exit 1
   446 else
   447   host_alias=$host
   448 fi
   449 
   450 # Transform linux* to *-*-linux-gnu*, to support old configure scripts.
   451 case "$host_os" in
   452 linux-gnu*) ;;
   453 linux*) host=`echo $host | sed 's/^\(.*-.*-linux\)\(.*\)$/\1-gnu\2/'`
   454 esac
   455 
   456 host_cpu=`echo $host | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\1/'`
   457 host_vendor=`echo $host | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\2/'`
   458 host_os=`echo $host | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\3/'`
   459 
   460 case "$host_os" in
   461 aix3*)
   462   # AIX sometimes has problems with the GCC collect2 program.  For some
   463   # reason, if we set the COLLECT_NAMES environment variable, the problems
   464   # vanish in a puff of smoke.
   465   if test "X${COLLECT_NAMES+set}" != Xset; then
   466     COLLECT_NAMES=
   467     export COLLECT_NAMES
   468   fi
   469   ;;
   470 esac
   471 
   472 # Determine commands to create old-style static archives.
   473 old_archive_cmds='$AR cru $oldlib$oldobjs'
   474 old_postinstall_cmds='chmod 644 $oldlib'
   475 old_postuninstall_cmds=
   476 
   477 # Set a sane default for `AR'.
   478 test -z "$AR" && AR=ar
   479 
   480 # Set a sane default for `OBJDUMP'.
   481 test -z "$OBJDUMP" && OBJDUMP=objdump
   482 
   483 # If RANLIB is not set, then run the test.
   484 if test "${RANLIB+set}" != "set"; then
   485   result=no
   486 
   487   echo $ac_n "checking for ranlib... $ac_c" 1>&6
   488   IFS="${IFS= 	}"; save_ifs="$IFS"; IFS="${IFS}${PATH_SEPARATOR}"
   489   for dir in $PATH; do
   490     test -z "$dir" && dir=.
   491     if test -f $dir/ranlib || test -f $dir/ranlib$ac_exeext; then
   492       RANLIB="ranlib"
   493       result="ranlib"
   494       break
   495     fi
   496   done
   497   IFS="$save_ifs"
   498 
   499   echo "$ac_t$result" 1>&6
   500 fi
   501 
   502 if test -n "$RANLIB"; then
   503   old_archive_cmds="$old_archive_cmds~\$RANLIB \$oldlib"
   504   old_postinstall_cmds="\$RANLIB \$oldlib~$old_postinstall_cmds"
   505 fi
   506 
   507 # Set sane defaults for `DLLTOOL', `OBJDUMP', and `AS', used on cygwin.
   508 test -z "$DLLTOOL" && DLLTOOL=dlltool
   509 test -z "$OBJDUMP" && OBJDUMP=objdump
   510 test -z "$AS" && AS=as
   511 
   512 # Check to see if we are using GCC.
   513 if test "$with_gcc" != yes || test -z "$CC"; then
   514   # If CC is not set, then try to find GCC or a usable CC.
   515   if test -z "$CC"; then
   516     echo $ac_n "checking for gcc... $ac_c" 1>&6
   517     IFS="${IFS= 	}"; save_ifs="$IFS"; IFS="${IFS}${PATH_SEPARATOR}"
   518     for dir in $PATH; do
   519       test -z "$dir" && dir=.
   520       if test -f $dir/gcc || test -f $dir/gcc$ac_exeext; then
   521 	CC="gcc"
   522 	break
   523       fi
   524     done
   525     IFS="$save_ifs"
   526 
   527     if test -n "$CC"; then
   528       echo "$ac_t$CC" 1>&6
   529     else
   530       echo "$ac_t"no 1>&6
   531     fi
   532   fi
   533 
   534   # Not "gcc", so try "cc", rejecting "/usr/ucb/cc".
   535   if test -z "$CC"; then
   536     echo $ac_n "checking for cc... $ac_c" 1>&6
   537     IFS="${IFS= 	}"; save_ifs="$IFS"; IFS="${IFS}${PATH_SEPARATOR}"
   538     cc_rejected=no
   539     for dir in $PATH; do
   540       test -z "$dir" && dir=.
   541       if test -f $dir/cc || test -f $dir/cc$ac_exeext; then
   542 	if test "$dir/cc" = "/usr/ucb/cc"; then
   543 	  cc_rejected=yes
   544 	  continue
   545 	fi
   546 	CC="cc"
   547 	break
   548       fi
   549     done
   550     IFS="$save_ifs"
   551     if test $cc_rejected = yes; then
   552       # We found a bogon in the path, so make sure we never use it.
   553       set dummy $CC
   554       shift
   555       if test $# -gt 0; then
   556 	# We chose a different compiler from the bogus one.
   557 	# However, it has the same name, so the bogon will be chosen
   558 	# first if we set CC to just the name; use the full file name.
   559 	shift
   560 	set dummy "$dir/cc" "$@"
   561 	shift
   562 	CC="$@"
   563       fi
   564     fi
   565 
   566     if test -n "$CC"; then
   567       echo "$ac_t$CC" 1>&6
   568     else
   569       echo "$ac_t"no 1>&6
   570     fi
   571 
   572     if test -z "$CC"; then
   573       echo "$progname: error: no acceptable cc found in \$PATH" 1>&2
   574       exit 1
   575     fi
   576   fi
   577 
   578   # Now see if the compiler is really GCC.
   579   with_gcc=no
   580   echo $ac_n "checking whether we are using GNU C... $ac_c" 1>&6
   581   echo "$progname:581: checking whether we are using GNU C" >&5
   582 
   583   $rm conftest.c
   584   cat > conftest.c <<EOF
   585 #ifdef __GNUC__
   586   yes;
   587 #endif
   588 EOF
   589   if { ac_try='${CC-cc} -E conftest.c'; { (eval echo $progname:589: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }; } | egrep yes >/dev/null 2>&1; then
   590     with_gcc=yes
   591   fi
   592   $rm conftest.c
   593   echo "$ac_t$with_gcc" 1>&6
   594 fi
   595 
   596 # Allow CC to be a program name with arguments.
   597 set dummy $CC
   598 compiler="$2"
   599 
   600 echo $ac_n "checking for object suffix... $ac_c" 1>&6
   601 $rm conftest*
   602 echo 'int i = 1;' > conftest.c
   603 echo "$progname:603: checking for object suffix" >& 5
   604 if { (eval echo $progname:604: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>conftest.err; }; then
   605   # Append any warnings to the config.log.
   606   cat conftest.err 1>&5
   607 
   608   for ac_file in conftest.*; do
   609     case $ac_file in
   610     *.c) ;;
   611     *) objext=`echo $ac_file | sed -e s/conftest.//` ;;
   612     esac
   613   done
   614 else
   615   cat conftest.err 1>&5
   616   echo "$progname: failed program was:" >&5
   617   cat conftest.c >&5
   618 fi
   619 $rm conftest*
   620 echo "$ac_t$objext" 1>&6
   621 
   622 echo $ac_n "checking for executable suffix... $ac_c" 1>&6
   623 if eval "test \"`echo '$''{'ac_cv_exeext'+set}'`\" = set"; then
   624   echo $ac_n "(cached) $ac_c" 1>&6
   625 else
   626   ac_cv_exeext="no"
   627   $rm conftest*
   628   echo 'main () { return 0; }' > conftest.c
   629   echo "$progname:629: checking for executable suffix" >& 5
   630   if { (eval echo $progname:630: \"$ac_link\") 1>&5; (eval $ac_link) 2>conftest.err; }; then
   631     # Append any warnings to the config.log.
   632     cat conftest.err 1>&5
   633 
   634     for ac_file in conftest.*; do
   635       case $ac_file in
   636       *.c | *.err | *.$objext ) ;;
   637       *) ac_cv_exeext=.`echo $ac_file | sed -e s/conftest.//` ;;
   638       esac
   639     done
   640   else
   641     cat conftest.err 1>&5
   642     echo "$progname: failed program was:" >&5
   643     cat conftest.c >&5
   644   fi
   645   $rm conftest*
   646 fi
   647 if test "X$ac_cv_exeext" = Xno; then
   648   exeext=""
   649 else
   650   exeext="$ac_cv_exeext"
   651 fi
   652 echo "$ac_t$ac_cv_exeext" 1>&6
   653 
   654 echo $ac_n "checking for $compiler option to produce PIC... $ac_c" 1>&6
   655 pic_flag=
   656 special_shlib_compile_flags=
   657 wl=
   658 link_static_flag=
   659 no_builtin_flag=
   660 
   661 if test "$with_gcc" = yes; then
   662   wl='-Wl,'
   663   link_static_flag='-static'
   664 
   665   case "$host_os" in
   666   beos* | irix5* | irix6* | osf3* | osf4* | osf5*)
   667     # PIC is the default for these OSes.
   668     ;;
   669   aix*)
   670     # Below there is a dirty hack to force normal static linking with -ldl
   671     # The problem is because libdl dynamically linked with both libc and
   672     # libC (AIX C++ library), which obviously doesn't included in libraries
   673     # list by gcc. This cause undefined symbols with -static flags.
   674     # This hack allows C programs to be linked with "-static -ldl", but
   675     # we not sure about C++ programs.
   676     link_static_flag="$link_static_flag ${wl}-lC"
   677     ;;
   678   cygwin* | mingw* | os2*)
   679     # We can build DLLs from non-PIC.
   680     ;;
   681   amigaos*)
   682     # FIXME: we need at least 68020 code to build shared libraries, but
   683     # adding the `-m68020' flag to GCC prevents building anything better,
   684     # like `-m68040'.
   685     pic_flag='-m68020 -resident32 -malways-restore-a4'
   686     ;;
   687   sysv4*MP*)
   688     if test -d /usr/nec; then
   689        pic_flag=-Kconform_pic
   690     fi
   691     ;;
   692   *)
   693     pic_flag='-fPIC'
   694     ;;
   695   esac
   696 else
   697   # PORTME Check for PIC flags for the system compiler.
   698   case "$host_os" in
   699   aix3* | aix4*)
   700     # All AIX code is PIC.
   701     link_static_flag='-bnso -bI:/lib/syscalls.exp'
   702     ;;
   703 
   704   hpux9* | hpux10* | hpux11*)
   705     # Is there a better link_static_flag that works with the bundled CC?
   706     wl='-Wl,'
   707     link_static_flag="${wl}-a ${wl}archive"
   708     pic_flag='+Z'
   709     ;;
   710 
   711   irix5* | irix6*)
   712     wl='-Wl,'
   713     link_static_flag='-non_shared'
   714     # PIC (with -KPIC) is the default.
   715     ;;
   716 
   717   cygwin* | mingw* | os2*)
   718     # We can build DLLs from non-PIC.
   719     ;;
   720 
   721   osf3* | osf4* | osf5*)
   722     # All OSF/1 code is PIC.
   723     wl='-Wl,'
   724     link_static_flag='-non_shared'
   725     ;;
   726 
   727   sco3.2v5*)
   728     pic_flag='-Kpic'
   729     link_static_flag='-dn'
   730     special_shlib_compile_flags='-belf'
   731     ;;
   732 
   733   solaris*)
   734     pic_flag='-KPIC'
   735     link_static_flag='-Bstatic'
   736     wl='-Wl,'
   737     ;;
   738 
   739   sunos4*)
   740     pic_flag='-PIC'
   741     link_static_flag='-Bstatic'
   742     wl='-Qoption ld '
   743     ;;
   744 
   745   sysv4 | sysv4.2uw2* | sysv4.3* | sysv5*)
   746     pic_flag='-KPIC'
   747     link_static_flag='-Bstatic'
   748     wl='-Wl,'
   749     ;;
   750 
   751   uts4*)
   752     pic_flag='-pic'
   753     link_static_flag='-Bstatic'
   754     ;;
   755   sysv4*MP*)
   756     if test -d /usr/nec ;then
   757       pic_flag='-Kconform_pic'
   758       link_static_flag='-Bstatic'
   759     fi
   760     ;;
   761   *)
   762     can_build_shared=no
   763     ;;
   764   esac
   765 fi
   766 
   767 if test -n "$pic_flag"; then
   768   echo "$ac_t$pic_flag" 1>&6
   769 
   770   # Check to make sure the pic_flag actually works.
   771   echo $ac_n "checking if $compiler PIC flag $pic_flag works... $ac_c" 1>&6
   772   $rm conftest*
   773   echo "int some_variable = 0;" > conftest.c
   774   save_CFLAGS="$CFLAGS"
   775   CFLAGS="$CFLAGS $pic_flag -DPIC"
   776   echo "$progname:776: checking if $compiler PIC flag $pic_flag works" >&5
   777   if { (eval echo $progname:777: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>conftest.err; } && test -s conftest.$objext; then
   778     # Append any warnings to the config.log.
   779     cat conftest.err 1>&5
   780     
   781     case "$host_os" in
   782     hpux9* | hpux10* | hpux11*)
   783       # On HP-UX, both CC and GCC only warn that PIC is supported... then they
   784       # create non-PIC objects.  So, if there were any warnings, we assume that
   785       # PIC is not supported.
   786       if test -s conftest.err; then
   787 	echo "$ac_t"no 1>&6
   788 	can_build_shared=no
   789 	pic_flag=
   790       else
   791 	echo "$ac_t"yes 1>&6
   792 	pic_flag=" $pic_flag"
   793       fi
   794       ;;
   795     *)
   796       echo "$ac_t"yes 1>&6
   797       pic_flag=" $pic_flag"
   798       ;;
   799     esac
   800   else
   801     # Append any errors to the config.log.
   802     cat conftest.err 1>&5
   803     can_build_shared=no
   804     pic_flag=
   805     echo "$ac_t"no 1>&6
   806   fi
   807   CFLAGS="$save_CFLAGS"
   808   $rm conftest*
   809 else
   810   echo "$ac_t"none 1>&6
   811 fi
   812 
   813 # Check to see if options -o and -c are simultaneously supported by compiler
   814 echo $ac_n "checking if $compiler supports -c -o file.o... $ac_c" 1>&6
   815 $rm -r conftest 2>/dev/null
   816 mkdir conftest
   817 cd conftest
   818 $rm conftest*
   819 echo "int some_variable = 0;" > conftest.c
   820 mkdir out
   821 # According to Tom Tromey, Ian Lance Taylor reported there are C compilers
   822 # that will create temporary files in the current directory regardless of
   823 # the output directory.  Thus, making CWD read-only will cause this test
   824 # to fail, enabling locking or at least warning the user not to do parallel
   825 # builds.
   826 chmod -w .
   827 save_CFLAGS="$CFLAGS"
   828 CFLAGS="$CFLAGS -o out/conftest2.o"
   829 echo "$progname:829: checking if $compiler supports -c -o file.o" >&5
   830 if { (eval echo $progname:830: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>out/conftest.err; } && test -s out/conftest2.o; then
   831 
   832   # The compiler can only warn and ignore the option if not recognized
   833   # So say no if there are warnings
   834     if test -s out/conftest.err; then
   835       echo "$ac_t"no 1>&6
   836       compiler_c_o=no
   837     else
   838       echo "$ac_t"yes 1>&6
   839       compiler_c_o=yes
   840     fi
   841 else
   842   # Append any errors to the config.log.
   843   cat out/conftest.err 1>&5
   844   compiler_c_o=no
   845   echo "$ac_t"no 1>&6
   846 fi
   847 CFLAGS="$save_CFLAGS"
   848 chmod u+w .
   849 $rm conftest* out/*
   850 rmdir out
   851 cd ..
   852 rmdir conftest
   853 $rm -r conftest 2>/dev/null
   854 
   855 if test x"$compiler_c_o" = x"yes"; then
   856   # Check to see if we can write to a .lo
   857   echo $ac_n "checking if $compiler supports -c -o file.lo... $ac_c" 1>&6
   858   $rm conftest*
   859   echo "int some_variable = 0;" > conftest.c
   860   save_CFLAGS="$CFLAGS"
   861   CFLAGS="$CFLAGS -c -o conftest.lo"
   862   echo "$progname:862: checking if $compiler supports -c -o file.lo" >&5
   863 if { (eval echo $progname:863: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>conftest.err; } && test -s conftest.lo; then
   864 
   865     # The compiler can only warn and ignore the option if not recognized
   866     # So say no if there are warnings
   867       if test -s conftest.err; then
   868 	echo "$ac_t"no 1>&6
   869 	compiler_o_lo=no
   870       else
   871 	echo "$ac_t"yes 1>&6
   872 	compiler_o_lo=yes
   873       fi
   874   else
   875     # Append any errors to the config.log.
   876     cat conftest.err 1>&5
   877     compiler_o_lo=no
   878     echo "$ac_t"no 1>&6
   879   fi
   880   CFLAGS="$save_CFLAGS"
   881   $rm conftest*
   882 else
   883   compiler_o_lo=no
   884 fi
   885 
   886 # Check to see if we can do hard links to lock some files if needed
   887 hard_links="nottested"
   888 if test "$compiler_c_o" = no && test "$need_locks" != no; then
   889   # do not overwrite the value of need_locks provided by the user
   890   echo $ac_n "checking if we can lock with hard links... $ac_c" 1>&6
   891   hard_links=yes
   892   $rm conftest*
   893   ln conftest.a conftest.b 2>/dev/null && hard_links=no
   894   touch conftest.a
   895   ln conftest.a conftest.b 2>&5 || hard_links=no
   896   ln conftest.a conftest.b 2>/dev/null && hard_links=no
   897   echo "$ac_t$hard_links" 1>&6
   898   $rm conftest*
   899   if test "$hard_links" = no; then
   900     echo "*** WARNING: \`$CC' does not support \`-c -o', so \`make -j' may be unsafe" >&2
   901     need_locks=warn
   902   fi
   903 else
   904   need_locks=no
   905 fi
   906 
   907 if test "$with_gcc" = yes; then
   908   # Check to see if options -fno-rtti -fno-exceptions are supported by compiler
   909   echo $ac_n "checking if $compiler supports -fno-rtti -fno-exceptions ... $ac_c" 1>&6
   910   $rm conftest*
   911   echo "int some_variable = 0;" > conftest.c
   912   save_CFLAGS="$CFLAGS"
   913   CFLAGS="$CFLAGS -fno-rtti -fno-exceptions -c conftest.c"
   914   echo "$progname:914: checking if $compiler supports -fno-rtti -fno-exceptions" >&5
   915   if { (eval echo $progname:915: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>conftest.err; } && test -s conftest.o; then
   916 
   917     # The compiler can only warn and ignore the option if not recognized
   918     # So say no if there are warnings
   919       if test -s conftest.err; then
   920 	echo "$ac_t"no 1>&6
   921 	compiler_rtti_exceptions=no
   922       else
   923 	echo "$ac_t"yes 1>&6
   924 	compiler_rtti_exceptions=yes
   925       fi
   926   else
   927     # Append any errors to the config.log.
   928     cat conftest.err 1>&5
   929     compiler_rtti_exceptions=no
   930     echo "$ac_t"no 1>&6
   931   fi
   932   CFLAGS="$save_CFLAGS"
   933   $rm conftest*
   934 
   935   if test "$compiler_rtti_exceptions" = "yes"; then
   936     no_builtin_flag=' -fno-builtin -fno-rtti -fno-exceptions'
   937   else
   938     no_builtin_flag=' -fno-builtin'
   939   fi
   940   
   941 fi
   942 
   943 # Check for any special shared library compilation flags.
   944 if test -n "$special_shlib_compile_flags"; then
   945   echo "$progname: warning: \`$CC' requires \`$special_shlib_compile_flags' to build shared libraries" 1>&2
   946   if echo "$old_CC $old_CFLAGS " | egrep -e "[ 	]$special_shlib_compile_flags[ 	]" >/dev/null; then :
   947   else
   948     echo "$progname: add \`$special_shlib_compile_flags' to the CC or CFLAGS env variable and reconfigure" 1>&2
   949     can_build_shared=no
   950   fi
   951 fi
   952 
   953 echo $ac_n "checking if $compiler static flag $link_static_flag works... $ac_c" 1>&6
   954 $rm conftest*
   955 echo 'main(){return(0);}' > conftest.c
   956 save_LDFLAGS="$LDFLAGS"
   957 LDFLAGS="$LDFLAGS $link_static_flag"
   958 echo "$progname:958: checking if $compiler static flag $link_static_flag works" >&5
   959 if { (eval echo $progname:959: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
   960   echo "$ac_t$link_static_flag" 1>&6
   961 else
   962   echo "$ac_t"none 1>&6
   963   link_static_flag=
   964 fi
   965 LDFLAGS="$save_LDFLAGS"
   966 $rm conftest*
   967 
   968 if test -z "$LN_S"; then
   969   # Check to see if we can use ln -s, or we need hard links.
   970   echo $ac_n "checking whether ln -s works... $ac_c" 1>&6
   971   $rm conftest.dat
   972   if ln -s X conftest.dat 2>/dev/null; then
   973     $rm conftest.dat
   974     LN_S="ln -s"
   975   else
   976     LN_S=ln
   977   fi
   978   if test "$LN_S" = "ln -s"; then
   979     echo "$ac_t"yes 1>&6
   980   else
   981     echo "$ac_t"no 1>&6
   982   fi
   983 fi
   984 
   985 # Make sure LD is an absolute path.
   986 if test -z "$LD"; then
   987   ac_prog=ld
   988   if test "$with_gcc" = yes; then
   989     # Check if gcc -print-prog-name=ld gives a path.
   990     echo $ac_n "checking for ld used by GCC... $ac_c" 1>&6
   991     echo "$progname:991: checking for ld used by GCC" >&5
   992     ac_prog=`($CC -print-prog-name=ld) 2>&5`
   993     case "$ac_prog" in
   994     # Accept absolute paths.
   995     [\\/]* | [A-Za-z]:[\\/]*)
   996       re_direlt='/[^/][^/]*/\.\./'
   997       # Canonicalize the path of ld
   998       ac_prog=`echo $ac_prog| sed 's%\\\\%/%g'`
   999       while echo $ac_prog | grep "$re_direlt" > /dev/null 2>&1; do
  1000 	ac_prog=`echo $ac_prog| sed "s%$re_direlt%/%"`
  1001       done
  1002       test -z "$LD" && LD="$ac_prog"
  1003       ;;
  1004     "")
  1005       # If it fails, then pretend we are not using GCC.
  1006       ac_prog=ld
  1007       ;;
  1008     *)
  1009       # If it is relative, then search for the first ld in PATH.
  1010       with_gnu_ld=unknown
  1011       ;;
  1012     esac
  1013   elif test "$with_gnu_ld" = yes; then
  1014     echo $ac_n "checking for GNU ld... $ac_c" 1>&6
  1015     echo "$progname:1015: checking for GNU ld" >&5
  1016   else
  1017     echo $ac_n "checking for non-GNU ld""... $ac_c" 1>&6
  1018     echo "$progname:1018: checking for non-GNU ld" >&5
  1019   fi
  1020 
  1021   if test -z "$LD"; then
  1022     IFS="${IFS= 	}"; ac_save_ifs="$IFS"; IFS="${IFS}${PATH_SEPARATOR}"
  1023     for ac_dir in $PATH; do
  1024       test -z "$ac_dir" && ac_dir=.
  1025       if test -f "$ac_dir/$ac_prog" || test -f "$ac_dir/$ac_prog$ac_exeext"; then
  1026 	LD="$ac_dir/$ac_prog"
  1027 	# Check to see if the program is GNU ld.  I'd rather use --version,
  1028 	# but apparently some GNU ld's only accept -v.
  1029 	# Break only if it was the GNU/non-GNU ld that we prefer.
  1030 	if "$LD" -v 2>&1 < /dev/null | egrep '(GNU|with BFD)' > /dev/null; then
  1031 	  test "$with_gnu_ld" != no && break
  1032 	else
  1033 	  test "$with_gnu_ld" != yes && break
  1034 	fi
  1035       fi
  1036     done
  1037     IFS="$ac_save_ifs"
  1038   fi
  1039 
  1040   if test -n "$LD"; then
  1041     echo "$ac_t$LD" 1>&6
  1042   else
  1043     echo "$ac_t"no 1>&6
  1044   fi
  1045 
  1046   if test -z "$LD"; then
  1047     echo "$progname: error: no acceptable ld found in \$PATH" 1>&2
  1048     exit 1
  1049   fi
  1050 fi
  1051 
  1052 # Check to see if it really is or is not GNU ld.
  1053 echo $ac_n "checking if the linker ($LD) is GNU ld... $ac_c" 1>&6
  1054 # I'd rather use --version here, but apparently some GNU ld's only accept -v.
  1055 if $LD -v 2>&1 </dev/null | egrep '(GNU|with BFD)' 1>&5; then
  1056   with_gnu_ld=yes
  1057 else
  1058   with_gnu_ld=no
  1059 fi
  1060 echo "$ac_t$with_gnu_ld" 1>&6
  1061 
  1062 # See if the linker supports building shared libraries.
  1063 echo $ac_n "checking whether the linker ($LD) supports shared libraries... $ac_c" 1>&6
  1064 
  1065 allow_undefined_flag=
  1066 no_undefined_flag=
  1067 need_lib_prefix=unknown
  1068 need_version=unknown
  1069 # when you set need_version to no, make sure it does not cause -set_version
  1070 # flags to be left without arguments
  1071 archive_cmds=
  1072 archive_expsym_cmds=
  1073 old_archive_from_new_cmds=
  1074 export_dynamic_flag_spec=
  1075 whole_archive_flag_spec=
  1076 thread_safe_flag_spec=
  1077 hardcode_libdir_flag_spec=
  1078 hardcode_libdir_separator=
  1079 hardcode_direct=no
  1080 hardcode_minus_L=no
  1081 hardcode_shlibpath_var=unsupported
  1082 runpath_var=
  1083 always_export_symbols=no
  1084 export_symbols_cmds='$NM $libobjs $convenience | $global_symbol_pipe | sed '\''s/.* //'\'' | sort | uniq > $export_symbols'
  1085 # include_expsyms should be a list of space-separated symbols to be *always*
  1086 # included in the symbol list
  1087 include_expsyms=
  1088 # exclude_expsyms can be an egrep regular expression of symbols to exclude
  1089 # it will be wrapped by ` (' and `)$', so one must not match beginning or
  1090 # end of line.  Example: `a|bc|.*d.*' will exclude the symbols `a' and `bc',
  1091 # as well as any symbol that contains `d'.
  1092 exclude_expsyms="_GLOBAL_OFFSET_TABLE_"
  1093 # Although _GLOBAL_OFFSET_TABLE_ is a valid symbol C name, most a.out
  1094 # platforms (ab)use it in PIC code, but their linkers get confused if
  1095 # the symbol is explicitly referenced.  Since portable code cannot
  1096 # rely on this symbol name, it's probably fine to never include it in
  1097 # preloaded symbol tables.
  1098 
  1099 case "$host_os" in
  1100 cygwin* | mingw*)
  1101   # FIXME: the MSVC++ port hasn't been tested in a loooong time
  1102   # When not using gcc, we currently assume that we are using
  1103   # Microsoft Visual C++.
  1104   if test "$with_gcc" != yes; then
  1105     with_gnu_ld=no
  1106   fi
  1107   ;;
  1108 openbsd*)
  1109   with_gnu_ld=no
  1110   ;;
  1111 
  1112 esac
  1113 
  1114 ld_shlibs=yes
  1115 if test "$with_gnu_ld" = yes; then
  1116   # If archive_cmds runs LD, not CC, wlarc should be empty
  1117   wlarc='${wl}'
  1118 
  1119   # See if GNU ld supports shared libraries.
  1120   case "$host_os" in
  1121   aix3* | aix4*)
  1122     # On AIX, the GNU linker is very broken
  1123     ld_shlibs=no
  1124     cat <<EOF 1>&2
  1125 
  1126 *** Warning: the GNU linker, at least up to release 2.9.1, is reported
  1127 *** to be unable to reliably create shared libraries on AIX.
  1128 *** Therefore, libtool is disabling shared libraries support.  If you
  1129 *** really care for shared libraries, you may want to modify your PATH
  1130 *** so that a non-GNU linker is found, and then restart.
  1131 
  1132 EOF
  1133     ;;
  1134 
  1135   amigaos*)
  1136     archive_cmds='$rm $objdir/a2ixlibrary.data~$echo "#define NAME $libname" > $objdir/a2ixlibrary.data~$echo "#define LIBRARY_ID 1" >> $objdir/a2ixlibrary.data~$echo "#define VERSION $major" >> $objdir/a2ixlibrary.data~$echo "#define REVISION $revision" >> $objdir/a2ixlibrary.data~$AR cru $lib $libobjs~$RANLIB $lib~(cd $objdir && a2ixlibrary -32)'
  1137     hardcode_libdir_flag_spec='-L$libdir'
  1138     hardcode_minus_L=yes
  1139 
  1140     # Samuel A. Falvo II <kc5tja@dolphin.openprojects.net> reports
  1141     # that the semantics of dynamic libraries on AmigaOS, at least up
  1142     # to version 4, is to share data among multiple programs linked
  1143     # with the same dynamic library.  Since this doesn't match the
  1144     # behavior of shared libraries on other platforms, we can use
  1145     # them.
  1146     ld_shlibs=no
  1147     ;;
  1148 
  1149   beos*)
  1150     if $LD --help 2>&1 | egrep ': supported targets:.* elf' > /dev/null; then
  1151       #allow_undefined_flag=unsupported
  1152       # Joseph Beckenbach <jrb3@best.com> says some releases of gcc
  1153       # support --undefined.  This deserves some investigation.  FIXME
  1154       archive_cmds='$CC -nostart $libobjs $deplibs $linkopts ${wl}-soname $wl$soname -o $lib'
  1155     else
  1156       ld_shlibs=no
  1157     fi
  1158     ;;
  1159 
  1160   cygwin* | mingw*)
  1161     # Special flag that tells Cygwin to use the native MSVC runtime
  1162     case "$host_os" in
  1163     cygwin*)
  1164       cygwin_use_msvcrt=true
  1165       ;;
  1166     esac
  1167     # hardcode_libdir_flag_spec is actually meaningless, as there is
  1168     # no search path for DLLs.
  1169     hardcode_libdir_flag_spec='-L$libdir'
  1170 #    allow_undefined_flag=unsupported
  1171     always_export_symbols=yes
  1172 
  1173     # Extract the symbol export list from an `--export-all' def file,
  1174     # then regenerate the def file from the symbol export list, so that
  1175     # the compiled dll only exports the symbol export list.
  1176     # Be careful not to strip the DATA tag left by newer dlltools.
  1177     if [ "$cygwin_use_msvcrt" = "true" ]; then
  1178       export_symbols_cmds='test -f $objdir/$soname-ltdll.c || sed -e "/^# \/\* ltdll\.c starts here \*\//,/^# \/\* ltdll.c ends here \*\// { s/^# //; p; }" -e d < $0 > $objdir/$soname-ltdll.c~
  1179       test -f $objdir/$soname-ltdll.$objext || (cd $objdir && $CC -U__CYGWIN__ -U__CYGWIN32__ -c $soname-ltdll.c)~
  1180       $DLLTOOL --exclude-symbols _DllMain@12,_cygwin_dll_entry@12,_cygwin_noncygwin_dll_entry@12 --output-def $objdir/$soname-def  $objdir/$soname-ltdll.$objext $libobjs $convenience~
  1181       sed -e "1,/EXPORTS/d" -e "s/ @ [0-9]*//" -e "s/ *;.*$//" < $objdir/$soname-def > $export_symbols'
  1182     else
  1183       export_symbols_cmds='test -f $objdir/$soname-ltdll.c || sed -e "/^# \/\* ltdll\.c starts here \*\//,/^# \/\* ltdll.c ends here \*\// { s/^# //; p; }" -e d < $0 > $objdir/$soname-ltdll.c~
  1184       test -f $objdir/$soname-ltdll.$objext || (cd $objdir && $CC -c $soname-ltdll.c)~
  1185       $DLLTOOL --exclude-symbols _DllMain@12,_cygwin_dll_entry@12,_cygwin_noncygwin_dll_entry@12 --output-def $objdir/$soname-def  $objdir/$soname-ltdll.$objext $libobjs $convenience~
  1186       sed -e "1,/EXPORTS/d" -e "s/ @ [0-9]*//" -e "s/ *;.*$//" < $objdir/$soname-def > $export_symbols'
  1187     fi
  1188 
  1189     # If DATA tags from a recent dlltool are present, honour them!
  1190     if [ "$cygwin_use_msvcrt" = "true" ]; then
  1191       archive_expsym_cmds='echo EXPORTS > $objdir/$soname-def~
  1192       _lt_hint=1;
  1193       cat $export_symbols | while read symbol; do
  1194         set dummy \$symbol;
  1195         case \$# in
  1196           2) echo "	\$2 @ \$_lt_hint ; " >> $objdir/$soname-def;;
  1197           *) echo "     \$2 @ \$_lt_hint \$3 ; " >> $objdir/$soname-def;;
  1198         esac;
  1199 	_lt_hint=`expr 1 + \$_lt_hint`;
  1200       done~
  1201       test -f $objdir/$soname-ltdll.c || sed -e "/^# \/\* ltdll\.c starts here \*\//,/^# \/\* ltdll.c ends here \*\// { s/^# //; p; }" -e d < $0 > $objdir/$soname-ltdll.c~
  1202       test -f $objdir/$soname-ltdll.$objext || (cd $objdir && $CC -U__CYGWIN__ -U__CYGWIN32__ -c $soname-ltdll.c)~
  1203       $CC -Wl,--base-file,$objdir/$soname-base -Wl,--dll -nostartfiles -Wl,-e,_DllMain@12 -o $lib $objdir/$soname-ltdll.$objext $libobjs $deplibs $linkopts -L/usr/lib/mingw -mno-cygwin~
  1204       $DLLTOOL --as=$AS --dllname $soname --exclude-symbols _DllMain@12,_cygwin_dll_entry@12,_cygwin_noncygwin_dll_entry@12 --def $objdir/$soname-def --base-file $objdir/$soname-base --output-exp $objdir/$soname-exp~
  1205       $CC -Wl,--base-file,$objdir/$soname-base $objdir/$soname-exp -Wl,--dll -nostartfiles -Wl,-e,_DllMain@12 -o $lib $objdir/$soname-ltdll.$objext $libobjs $deplibs $linkopts -L/usr/lib/mingw -mno-cygwin~
  1206       $DLLTOOL --as=$AS --dllname $soname --exclude-symbols _DllMain@12,_cygwin_dll_entry@12,_cygwin_noncygwin_dll_entry@12 --def $objdir/$soname-def --base-file $objdir/$soname-base --output-exp $objdir/$soname-exp~
  1207       $CC $objdir/$soname-exp -Wl,--dll -nostartfiles -Wl,-e,_DllMain@12 -o $lib $objdir/$soname-ltdll.$objext $libobjs $deplibs $linkopts -L/usr/lib/mingw -mno-cygwin~
  1208       : strip_is_broken_with_dlls_on_win95B - strip $lib'
  1209     else
  1210       archive_expsym_cmds='echo EXPORTS > $objdir/$soname-def~
  1211       _lt_hint=1;
  1212       cat $export_symbols | while read symbol; do
  1213         set dummy \$symbol;
  1214         case \$# in
  1215           2) echo "	\$2 @ \$_lt_hint ; " >> $objdir/$soname-def;;
  1216           *) echo "     \$2 @ \$_lt_hint \$3 ; " >> $objdir/$soname-def;;
  1217         esac;
  1218 	_lt_hint=`expr 1 + \$_lt_hint`;
  1219       done~
  1220       test -f $objdir/$soname-ltdll.c || sed -e "/^# \/\* ltdll\.c starts here \*\//,/^# \/\* ltdll.c ends here \*\// { s/^# //; p; }" -e d < $0 > $objdir/$soname-ltdll.c~
  1221       test -f $objdir/$soname-ltdll.$objext || (cd $objdir && $CC -c $soname-ltdll.c)~
  1222       $CC -Wl,--base-file,$objdir/$soname-base -Wl,--dll -nostartfiles -Wl,-e,_DllMain@12 -o $lib $objdir/$soname-ltdll.$objext $libobjs $deplibs $linkopts~
  1223       $DLLTOOL --as=$AS --dllname $soname --exclude-symbols _DllMain@12,_cygwin_dll_entry@12,_cygwin_noncygwin_dll_entry@12 --def $objdir/$soname-def --base-file $objdir/$soname-base --output-exp $objdir/$soname-exp~
  1224       $CC -Wl,--base-file,$objdir/$soname-base $objdir/$soname-exp -Wl,--dll -nostartfiles -Wl,-e,_DllMain@12 -o $lib $objdir/$soname-ltdll.$objext $libobjs $deplibs $linkopts~
  1225       $DLLTOOL --as=$AS --dllname $soname --exclude-symbols _DllMain@12,_cygwin_dll_entry@12,_cygwin_noncygwin_dll_entry@12 --def $objdir/$soname-def --base-file $objdir/$soname-base --output-exp $objdir/$soname-exp~
  1226       $CC $objdir/$soname-exp -Wl,--dll -nostartfiles -Wl,-e,_DllMain@12 -o $lib $objdir/$soname-ltdll.$objext $libobjs $deplibs $linkopts~
  1227       : strip_is_broken_with_dlls_on_win95B - strip $lib'
  1228     fi
  1229     old_archive_from_new_cmds='$DLLTOOL --as=$AS --dllname $soname --def $objdir/$soname-def --output-lib $objdir/$libname.a'
  1230     ;;
  1231 
  1232   netbsd*)
  1233     if echo __ELF__ | $CC -E - | grep __ELF__ >/dev/null; then
  1234       archive_cmds='$CC -shared $libobjs $deplibs $linkopts ${wl}-soname $wl$soname -o $lib'
  1235       archive_expsym_cmds='$CC -shared $libobjs $deplibs $linkopts ${wl}-soname $wl$soname ${wl}-retain-symbols-file $wl$export_symbols -o $lib'
  1236     else
  1237       archive_cmds='$LD -Bshareable $libobjs $deplibs $linkopts -o $lib'
  1238       # can we support soname and/or expsyms with a.out? -oliva
  1239     fi
  1240     ;;
  1241 
  1242   solaris* | sysv5*)
  1243     if $LD -v 2>&1 | egrep 'BFD 2\.8' > /dev/null; then
  1244       ld_shlibs=no
  1245       cat <<EOF 1>&2
  1246 
  1247 *** Warning: The releases 2.8.* of the GNU linker cannot reliably
  1248 *** create shared libraries on Solaris systems.  Therefore, libtool
  1249 *** is disabling shared libraries support.  We urge you to upgrade GNU
  1250 *** binutils to release 2.9.1 or newer.  Another option is to modify
  1251 *** your PATH or compiler configuration so that the native linker is
  1252 *** used, and then restart.
  1253 
  1254 EOF
  1255     elif $LD --help 2>&1 | egrep ': supported targets:.* elf' > /dev/null; then
  1256       archive_cmds='$CC -shared $libobjs $deplibs $linkopts ${wl}-soname $wl$soname -o $lib'
  1257       archive_expsym_cmds='$CC -shared $libobjs $deplibs $linkopts ${wl}-soname $wl$soname ${wl}-retain-symbols-file $wl$export_symbols -o $lib'
  1258     else
  1259       ld_shlibs=no
  1260     fi
  1261     ;;      
  1262 
  1263   sunos4*)
  1264     archive_cmds='$LD -assert pure-text -Bshareable -o $lib $libobjs $deplibs $linkopts'
  1265     wlarc=
  1266     hardcode_direct=yes
  1267     hardcode_shlibpath_var=no
  1268     ;;
  1269 
  1270   *)
  1271     if $LD --help 2>&1 | egrep ': supported targets:.* elf' > /dev/null; then
  1272       archive_cmds='$CC -shared $libobjs $deplibs $linkopts ${wl}-soname $wl$soname -o $lib'
  1273       archive_expsym_cmds='$CC -shared $libobjs $deplibs $linkopts ${wl}-soname $wl$soname ${wl}-retain-symbols-file $wl$export_symbols -o $lib'
  1274     else
  1275       ld_shlibs=no
  1276     fi
  1277     ;;
  1278   esac
  1279 
  1280   if test "$ld_shlibs" = yes; then
  1281     runpath_var=LD_RUN_PATH
  1282     hardcode_libdir_flag_spec='${wl}--rpath ${wl}$libdir'
  1283     export_dynamic_flag_spec='${wl}--export-dynamic'
  1284     case $host_os in
  1285     cygwin* | mingw*)
  1286       # dlltool doesn't understand --whole-archive et. al.
  1287       whole_archive_flag_spec=
  1288       ;;
  1289     netbsd*)
  1290       whole_archive_flag_spec=
  1291       ;;
  1292     *)
  1293       # ancient GNU ld didn't support --whole-archive et. al.
  1294       if $LD --help 2>&1 | egrep 'no-whole-archive' > /dev/null; then
  1295         whole_archive_flag_spec="$wlarc"'--whole-archive$convenience '"$wlarc"'--no-whole-archive'
  1296       else
  1297         whole_archive_flag_spec=
  1298       fi
  1299       ;;
  1300     esac
  1301   fi
  1302 else
  1303   # PORTME fill in a description of your system's linker (not GNU ld)
  1304   case "$host_os" in
  1305   aix3*)
  1306     allow_undefined_flag=unsupported
  1307     always_export_symbols=yes
  1308     archive_expsym_cmds='$LD -o $objdir/$soname $libobjs $deplibs $linkopts -bE:$export_symbols -T512 -H512 -bM:SRE~$AR cru $lib $objdir/$soname'
  1309     # Note: this linker hardcodes the directories in LIBPATH if there
  1310     # are no directories specified by -L.
  1311     hardcode_minus_L=yes
  1312     if test "$with_gcc" = yes && test -z "$link_static_flag"; then
  1313       # Neither direct hardcoding nor static linking is supported with a
  1314       # broken collect2.
  1315       hardcode_direct=unsupported
  1316     fi
  1317     ;;
  1318 
  1319   aix4*)
  1320     hardcode_libdir_flag_spec='${wl}-b ${wl}nolibpath ${wl}-b ${wl}libpath:$libdir:/usr/lib:/lib'
  1321     hardcode_libdir_separator=':'
  1322     if test "$with_gcc" = yes; then
  1323       collect2name=`${CC} -print-prog-name=collect2`
  1324       if test -f "$collect2name" && \
  1325 	 strings "$collect2name" | grep resolve_lib_name >/dev/null
  1326       then
  1327 	# We have reworked collect2
  1328 	hardcode_direct=yes
  1329       else
  1330 	# We have old collect2
  1331 	hardcode_direct=unsupported
  1332 	# It fails to find uninstalled libraries when the uninstalled
  1333 	# path is not listed in the libpath.  Setting hardcode_minus_L
  1334 	# to unsupported forces relinking
  1335 	hardcode_minus_L=yes
  1336 	hardcode_libdir_flag_spec='-L$libdir'
  1337 	hardcode_libdir_separator=
  1338       fi
  1339       shared_flag='-shared'
  1340     else
  1341       shared_flag='${wl}-bM:SRE'
  1342       hardcode_direct=yes
  1343     fi
  1344     allow_undefined_flag=' ${wl}-berok'
  1345     archive_cmds="\$CC $shared_flag"' -o $objdir/$soname $libobjs $deplibs $linkopts ${wl}-bexpall ${wl}-bnoentry${allow_undefined_flag}'
  1346     archive_expsym_cmds="\$CC $shared_flag"' -o $objdir/$soname $libobjs $deplibs $linkopts ${wl}-bE:$export_symbols ${wl}-bnoentry${allow_undefined_flag}'
  1347     case "$host_os" in aix4.[01]|aix4.[01].*)
  1348       # According to Greg Wooledge, -bexpall is only supported from AIX 4.2 on
  1349       always_export_symbols=yes ;;
  1350     esac
  1351    ;;
  1352 
  1353   amigaos*)
  1354     archive_cmds='$rm $objdir/a2ixlibrary.data~$echo "#define NAME $libname" > $objdir/a2ixlibrary.data~$echo "#define LIBRARY_ID 1" >> $objdir/a2ixlibrary.data~$echo "#define VERSION $major" >> $objdir/a2ixlibrary.data~$echo "#define REVISION $revision" >> $objdir/a2ixlibrary.data~$AR cru $lib $libobjs~$RANLIB $lib~(cd $objdir && a2ixlibrary -32)'
  1355     hardcode_libdir_flag_spec='-L$libdir'
  1356     hardcode_minus_L=yes
  1357     # see comment about different semantics on the GNU ld section
  1358     ld_shlibs=no
  1359     ;;
  1360 
  1361   cygwin* | mingw*)
  1362     # When not using gcc, we currently assume that we are using
  1363     # Microsoft Visual C++.
  1364     # hardcode_libdir_flag_spec is actually meaningless, as there is
  1365     # no search path for DLLs.
  1366     hardcode_libdir_flag_spec=' '
  1367 #    allow_undefined_flag=unsupported
  1368     # Tell ltmain to make .lib files, not .a files.
  1369     libext=lib
  1370     # FIXME: Setting linknames here is a bad hack.
  1371     archive_cmds='$CC -o $lib $libobjs $linkopts `echo "$deplibs" | sed -e '\''s/ -lc$//'\''` -link -dll~linknames='
  1372     # The linker will automatically build a .lib file if we build a DLL.
  1373     old_archive_from_new_cmds='true'
  1374     # FIXME: Should let the user specify the lib program.
  1375     old_archive_cmds='lib /OUT:$oldlib$oldobjs'
  1376     fix_srcfile_path='`cygpath -w $srcfile`'
  1377     ;;
  1378 
  1379   freebsd1*)
  1380     ld_shlibs=no
  1381     ;;
  1382 
  1383   # FreeBSD 2.2.[012] allows us to include c++rt0.o to get C++ constructor
  1384   # support.  Future versions do this automatically, but an explicit c++rt0.o
  1385   # does not break anything, and helps significantly (at the cost of a little
  1386   # extra space).
  1387   freebsd2.2*)
  1388     archive_cmds='$LD -Bshareable -o $lib $libobjs $deplibs $linkopts /usr/lib/c++rt0.o'
  1389     hardcode_libdir_flag_spec='-R$libdir'
  1390     hardcode_direct=yes
  1391     hardcode_shlibpath_var=no
  1392     ;;
  1393 
  1394   # Unfortunately, older versions of FreeBSD 2 do not have this feature.
  1395   freebsd2*)
  1396     archive_cmds='$LD -Bshareable -o $lib $libobjs $deplibs $linkopts'
  1397     hardcode_direct=yes
  1398     hardcode_minus_L=yes
  1399     hardcode_shlibpath_var=no
  1400     ;;
  1401 
  1402   # FreeBSD 3 and greater uses gcc -shared to do shared libraries.
  1403   freebsd*)
  1404     archive_cmds='$CC -shared -o $lib $libobjs $deplibs $linkopts'
  1405     hardcode_libdir_flag_spec='-R$libdir'
  1406     hardcode_direct=yes
  1407     hardcode_shlibpath_var=no
  1408     ;;
  1409 
  1410   hpux9* | hpux10* | hpux11*)
  1411     case "$host_os" in
  1412     hpux9*) archive_cmds='$rm $objdir/$soname~$LD -b +b $install_libdir -o $objdir/$soname $libobjs $deplibs $linkopts~test $objdir/$soname = $lib || mv $objdir/$soname $lib' ;;
  1413     *) archive_cmds='$LD -b +h $soname +b $install_libdir -o $lib $libobjs $deplibs $linkopts' ;;
  1414     esac
  1415     hardcode_libdir_flag_spec='${wl}+b ${wl}$libdir'
  1416     hardcode_libdir_separator=:
  1417     hardcode_direct=yes
  1418     hardcode_minus_L=yes # Not in the search PATH, but as the default
  1419 			 # location of the library.
  1420     export_dynamic_flag_spec='${wl}-E'
  1421     ;;
  1422 
  1423   irix5* | irix6*)
  1424     if test "$with_gcc" = yes; then
  1425       archive_cmds='$CC -shared $libobjs $deplibs $linkopts ${wl}-soname ${wl}$soname `test -n "$verstring" && echo ${wl}-set_version ${wl}$verstring` ${wl}-update_registry ${wl}${objdir}/so_locations -o $lib'
  1426     else
  1427       archive_cmds='$LD -shared $libobjs $deplibs $linkopts -soname $soname `test -n "$verstring" && echo -set_version $verstring` -update_registry ${objdir}/so_locations -o $lib'
  1428     fi
  1429     hardcode_libdir_flag_spec='${wl}-rpath ${wl}$libdir'
  1430     hardcode_libdir_separator=:
  1431     ;;
  1432 
  1433   netbsd*)
  1434     if echo __ELF__ | $CC -E - | grep __ELF__ >/dev/null; then
  1435       archive_cmds='$LD -Bshareable -o $lib $libobjs $deplibs $linkopts'  # a.out
  1436     else
  1437       archive_cmds='$LD -shared -o $lib $libobjs $deplibs $linkopts'      # ELF
  1438     fi
  1439     hardcode_libdir_flag_spec='${wl}-R$libdir'
  1440     hardcode_direct=yes
  1441     hardcode_shlibpath_var=no
  1442     ;;
  1443 
  1444   openbsd*)
  1445     hardcode_direct=yes
  1446     hardcode_shlibpath_var=no
  1447     case "$host_os" in
  1448       openbsd[01].* | openbsd2.[0-7] | openbsd2.[0-7].*)
  1449 	archive_cmds='$LD -Bshareable -o $lib $libobjs $deplibs $linkopts'
  1450 	hardcode_libdir_flag_spec='-R$libdir'
  1451       ;;
  1452       *)
  1453 	archive_cmds='$CC -shared $pic_flag -o $lib $libobjs $deplibs $linkopts'
  1454 	hardcode_libdir_flag_spec='${wl}-rpath,$libdir'
  1455 	if test "`echo __ELF__ | $CC -E - | grep __ELF__`" = "" -o "$host_os-$host_cpu" = "openbsd2.8-powerpc"; then
  1456 	  export_dynamic_flag_spec='${wl}-E'
  1457 	fi
  1458       ;;
  1459     esac
  1460     ;;
  1461 
  1462   os2*)
  1463     hardcode_libdir_flag_spec='-L$libdir'
  1464     hardcode_minus_L=yes
  1465     allow_undefined_flag=unsupported
  1466     archive_cmds='$echo "LIBRARY $libname INITINSTANCE" > $objdir/$libname.def~$echo "DESCRIPTION \"$libname\"" >> $objdir/$libname.def~$echo DATA >> $objdir/$libname.def~$echo " SINGLE NONSHARED" >> $objdir/$libname.def~$echo EXPORTS >> $objdir/$libname.def~emxexp $libobjs >> $objdir/$libname.def~$CC -Zdll -Zcrtdll -o $lib $libobjs $deplibs $linkopts $objdir/$libname.def'
  1467     old_archive_from_new_cmds='emximp -o $objdir/$libname.a $objdir/$libname.def'
  1468     ;;
  1469 
  1470   osf3*)
  1471     if test "$with_gcc" = yes; then
  1472       allow_undefined_flag=' ${wl}-expect_unresolved ${wl}\*'
  1473       archive_cmds='$CC -shared${allow_undefined_flag} $libobjs $deplibs $linkopts ${wl}-soname ${wl}$soname `test -n "$verstring" && echo ${wl}-set_version ${wl}$verstring` ${wl}-update_registry ${wl}${objdir}/so_locations -o $lib'
  1474     else
  1475       allow_undefined_flag=' -expect_unresolved \*'
  1476       archive_cmds='$LD -shared${allow_undefined_flag} $libobjs $deplibs $linkopts -soname $soname `test -n "$verstring" && echo -set_version $verstring` -update_registry ${objdir}/so_locations -o $lib'
  1477     fi
  1478     hardcode_libdir_flag_spec='${wl}-rpath ${wl}$libdir'
  1479     hardcode_libdir_separator=:
  1480     ;;
  1481 
  1482   osf4* | osf5*)  # As osf3* with the addition of the -msym flag
  1483     if test "$with_gcc" = yes; then
  1484       allow_undefined_flag=' ${wl}-expect_unresolved ${wl}\*'
  1485       archive_cmds='$CC -shared${allow_undefined_flag} $libobjs $deplibs $linkopts ${wl}-msym ${wl}-soname ${wl}$soname `test -n "$verstring" && echo ${wl}-set_version ${wl}$verstring` ${wl}-update_registry ${wl}${objdir}/so_locations -o $lib'
  1486     else
  1487       allow_undefined_flag=' -expect_unresolved \*'
  1488       archive_cmds='$LD -shared${allow_undefined_flag} $libobjs $deplibs $linkopts -msym -soname $soname `test -n "$verstring" && echo -set_version $verstring` -update_registry ${objdir}/so_locations -o $lib'
  1489     fi
  1490     hardcode_libdir_flag_spec='${wl}-rpath ${wl}$libdir'
  1491     hardcode_libdir_separator=:
  1492     ;;
  1493   rhapsody*)
  1494     archive_cmds='$CC -bundle -undefined suppress -o $lib $libobjs $deplibs $linkopts'
  1495     hardcode_libdir_flags_spec='-L$libdir'
  1496     hardcode_direct=yes
  1497     hardcode_shlibpath_var=no
  1498     ;;
  1499                                        
  1500   sco3.2v5*)
  1501     archive_cmds='$LD -G -h $soname -o $lib $libobjs $deplibs $linkopts'
  1502     hardcode_shlibpath_var=no
  1503     runpath_var=LD_RUN_PATH
  1504     hardcode_runpath_var=yes
  1505     ;;
  1506 
  1507   solaris*)
  1508     no_undefined_flag=' -z text'
  1509     # $CC -shared without GNU ld will not create a library from C++
  1510     # object files and a static libstdc++, better avoid it by now
  1511     archive_cmds='$LD -G${allow_undefined_flag} -h $soname -o $lib $libobjs $deplibs $linkopts'
  1512     archive_expsym_cmds='$echo "{ global:" > $lib.exp~cat $export_symbols | sed -e "s/\(.*\)/\1;/" >> $lib.exp~$echo "local: *; };" >> $lib.exp~
  1513 		$LD -G${allow_undefined_flag} -M $lib.exp -h $soname -o $lib $libobjs $deplibs $linkopts~$rm $lib.exp'
  1514     hardcode_libdir_flag_spec='-R$libdir'
  1515     hardcode_shlibpath_var=no
  1516     case "$host_os" in
  1517     solaris2.[0-5] | solaris2.[0-5].*) ;;
  1518     *) # Supported since Solaris 2.6 (maybe 2.5.1?)
  1519       whole_archive_flag_spec='-z allextract$convenience -z defaultextract' ;;
  1520     esac
  1521     ;;
  1522 
  1523   sunos4*)
  1524     archive_cmds='$LD -assert pure-text -Bstatic -o $lib $libobjs $deplibs $linkopts'
  1525     hardcode_libdir_flag_spec='-L$libdir'
  1526     hardcode_direct=yes
  1527     hardcode_minus_L=yes
  1528     hardcode_shlibpath_var=no
  1529     ;;
  1530 
  1531   sysv4)
  1532     if test "x$host_vendor" = xsequent; then
  1533       # Use $CC to link under sequent, because it throws in some extra .o 
  1534       # files that make .init and .fini sections work.
  1535       archive_cmds='$CC -G ${wl}-h $soname -o $lib $libobjs $deplibs $linkopts'
  1536     else
  1537       archive_cmds='$LD -G -h $soname -o $lib $libobjs $deplibs $linkopts'
  1538     fi
  1539     runpath_var='LD_RUN_PATH'
  1540     hardcode_shlibpath_var=no
  1541     hardcode_direct=no #Motorola manual says yes, but my tests say they lie 
  1542     ;;  
  1543 
  1544   sysv4.3*)
  1545     archive_cmds='$LD -G -h $soname -o $lib $libobjs $deplibs $linkopts'
  1546     hardcode_shlibpath_var=no
  1547     export_dynamic_flag_spec='-Bexport'
  1548     ;;
  1549 
  1550   sysv5*)
  1551     no_undefined_flag=' -z text'
  1552     # $CC -shared without GNU ld will not create a library from C++
  1553     # object files and a static libstdc++, better avoid it by now
  1554     archive_cmds='$LD -G${allow_undefined_flag} -h $rpath/$soname -o $lib $libobjs $deplibs $linkopts'
  1555     archive_expsym_cmds='$echo "{ global:" > $lib.exp~cat $export_symbols | sed -e "s/\(.*\)/\1;/" >> $lib.exp~$echo "local: *; };" >> $lib.exp~
  1556 		$LD -G${allow_undefined_flag} -M $lib.exp -h $soname -o $lib $libobjs $deplibs $linkopts~$rm $lib.exp'
  1557     hardcode_libdir_flag_spec=
  1558     hardcode_shlibpath_var=no
  1559     runpath_var='LD_RUN_PATH'
  1560     ;;
  1561 
  1562   uts4*)
  1563     archive_cmds='$LD -G -h $soname -o $lib $libobjs $deplibs $linkopts'
  1564     hardcode_libdir_flag_spec='-L$libdir'
  1565     hardcode_shlibpath_var=no
  1566     ;;
  1567 
  1568   dgux*)
  1569     archive_cmds='$LD -G -h $soname -o $lib $libobjs $deplibs $linkopts'
  1570     hardcode_libdir_flag_spec='-L$libdir'
  1571     hardcode_shlibpath_var=no
  1572     ;;
  1573 
  1574   sysv4*MP*)
  1575     if test -d /usr/nec; then
  1576       archive_cmds='$LD -G -h $soname -o $lib $libobjs $deplibs $linkopts'
  1577       hardcode_shlibpath_var=no
  1578       runpath_var=LD_RUN_PATH
  1579       hardcode_runpath_var=yes
  1580       ld_shlibs=yes
  1581     fi
  1582     ;;
  1583 
  1584   sysv4.2uw2*)
  1585     archive_cmds='$LD -G -o $lib $libobjs $deplibs $linkopts'
  1586     hardcode_direct=yes
  1587     hardcode_minus_L=no
  1588     hardcode_shlibpath_var=no
  1589     hardcode_runpath_var=yes
  1590     runpath_var=LD_RUN_PATH
  1591     ;;
  1592 
  1593   unixware7*)
  1594     archive_cmds='$LD -G -h $soname -o $lib $libobjs $deplibs $linkopts'
  1595     runpath_var='LD_RUN_PATH'
  1596     hardcode_shlibpath_var=no
  1597     ;;
  1598 
  1599   *)
  1600     ld_shlibs=no
  1601     ;;
  1602   esac
  1603 fi
  1604 echo "$ac_t$ld_shlibs" 1>&6
  1605 test "$ld_shlibs" = no && can_build_shared=no
  1606 
  1607 if test -z "$NM"; then
  1608   echo $ac_n "checking for BSD-compatible nm... $ac_c" 1>&6
  1609   case "$NM" in
  1610   [\\/]* | [A-Za-z]:[\\/]*) ;; # Let the user override the test with a path.
  1611   *)
  1612     IFS="${IFS= 	}"; ac_save_ifs="$IFS"; IFS="${IFS}${PATH_SEPARATOR}"
  1613     for ac_dir in $PATH /usr/ucb /usr/ccs/bin /bin; do
  1614       test -z "$ac_dir" && ac_dir=.
  1615       if test -f $ac_dir/nm || test -f $ac_dir/nm$ac_exeext; then
  1616 	# Check to see if the nm accepts a BSD-compat flag.
  1617 	# Adding the `sed 1q' prevents false positives on HP-UX, which says:
  1618 	#   nm: unknown option "B" ignored
  1619 	if ($ac_dir/nm -B /dev/null 2>&1 | sed '1q'; exit 0) | egrep /dev/null >/dev/null; then
  1620 	  NM="$ac_dir/nm -B"
  1621 	  break
  1622 	elif ($ac_dir/nm -p /dev/null 2>&1 | sed '1q'; exit 0) | egrep /dev/null >/dev/null; then
  1623 	  NM="$ac_dir/nm -p"
  1624 	  break
  1625 	else
  1626 	  NM=${NM="$ac_dir/nm"} # keep the first match, but
  1627 	  continue # so that we can try to find one that supports BSD flags
  1628 	fi
  1629       fi
  1630     done
  1631     IFS="$ac_save_ifs"
  1632     test -z "$NM" && NM=nm
  1633     ;;
  1634   esac
  1635   echo "$ac_t$NM" 1>&6
  1636 fi
  1637 
  1638 # Check for command to grab the raw symbol name followed by C symbol from nm.
  1639 echo $ac_n "checking command to parse $NM output... $ac_c" 1>&6
  1640 
  1641 # These are sane defaults that work on at least a few old systems.
  1642 # [They come from Ultrix.  What could be older than Ultrix?!! ;)]
  1643 
  1644 # Character class describing NM global symbol codes.
  1645 symcode='[BCDEGRST]'
  1646 
  1647 # Regexp to match symbols that can be accessed directly from C.
  1648 sympat='\([_A-Za-z][_A-Za-z0-9]*\)'
  1649 
  1650 # Transform the above into a raw symbol and a C symbol.
  1651 symxfrm='\1 \2\3 \3'
  1652 
  1653 # Transform an extracted symbol line into a proper C declaration
  1654 global_symbol_to_cdecl="sed -n -e 's/^. .* \(.*\)$/extern char \1;/p'"
  1655 
  1656 # Define system-specific variables.
  1657 case "$host_os" in
  1658 aix*)
  1659   symcode='[BCDT]'
  1660   ;;
  1661 cygwin* | mingw*)
  1662   symcode='[ABCDGISTW]'
  1663   ;;
  1664 hpux*) # Its linker distinguishes data from code symbols
  1665   global_symbol_to_cdecl="sed -n -e 's/^T .* \(.*\)$/extern char \1();/p' -e 's/^. .* \(.*\)$/extern char \1;/p'"
  1666   ;;
  1667 irix*)
  1668   symcode='[BCDEGRST]'
  1669   ;;
  1670 solaris*)
  1671   symcode='[BDT]'
  1672   ;;
  1673 sysv4)
  1674   symcode='[DFNSTU]'
  1675   ;;
  1676 esac
  1677 
  1678 # If we're using GNU nm, then use its standard symbol codes.
  1679 if $NM -V 2>&1 | egrep '(GNU|with BFD)' > /dev/null; then
  1680   symcode='[ABCDGISTW]'
  1681 fi
  1682 
  1683 # Try without a prefix undercore, then with it.
  1684 for ac_symprfx in "" "_"; do
  1685 
  1686   # Write the raw and C identifiers.
  1687   global_symbol_pipe="sed -n -e 's/^.*[ 	]\($symcode\)[ 	][ 	]*\($ac_symprfx\)$sympat$/$symxfrm/p'"
  1688 
  1689   # Check to see that the pipe works correctly.
  1690   pipe_works=no
  1691   $rm conftest*
  1692   cat > conftest.c <<EOF
  1693 #ifdef __cplusplus
  1694 extern "C" {
  1695 #endif
  1696 char nm_test_var;
  1697 void nm_test_func(){}
  1698 #ifdef __cplusplus
  1699 }
  1700 #endif
  1701 main(){nm_test_var='a';nm_test_func();return(0);}
  1702 EOF
  1703 
  1704   echo "$progname:1653: checking if global_symbol_pipe works" >&5
  1705   if { (eval echo $progname:1654: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; } && test -s conftest.$objext; then
  1706     # Now try to grab the symbols.
  1707     nlist=conftest.nm
  1708     if { echo "$progname:1657: eval \"$NM conftest.$objext | $global_symbol_pipe > $nlist\"" >&5; eval "$NM conftest.$objext | $global_symbol_pipe > $nlist 2>&5"; } && test -s "$nlist"; then
  1709 
  1710       # Try sorting and uniquifying the output.
  1711       if sort "$nlist" | uniq > "$nlist"T; then
  1712 	mv -f "$nlist"T "$nlist"
  1713       else
  1714 	rm -f "$nlist"T
  1715       fi
  1716 
  1717       # Make sure that we snagged all the symbols we need.
  1718       if egrep ' nm_test_var$' "$nlist" >/dev/null; then
  1719 	if egrep ' nm_test_func$' "$nlist" >/dev/null; then
  1720 	  cat <<EOF > conftest.c
  1721 #ifdef __cplusplus
  1722 extern "C" {
  1723 #endif
  1724 
  1725 EOF
  1726 	  # Now generate the symbol file.
  1727 	  eval "$global_symbol_to_cdecl"' < "$nlist" >> conftest.c'
  1728 
  1729 	  cat <<EOF >> conftest.c
  1730 #if defined (__STDC__) && __STDC__
  1731 # define lt_ptr_t void *
  1732 #else
  1733 # define lt_ptr_t char *
  1734 # define const
  1735 #endif
  1736 
  1737 /* The mapping between symbol names and symbols. */
  1738 const struct {
  1739   const char *name;
  1740   lt_ptr_t address;
  1741 }
  1742 lt_preloaded_symbols[] =
  1743 {
  1744 EOF
  1745 	  sed 's/^. \(.*\) \(.*\)$/  {"\2", (lt_ptr_t) \&\2},/' < "$nlist" >> conftest.c
  1746 	  cat <<\EOF >> conftest.c
  1747   {0, (lt_ptr_t) 0}
  1748 };
  1749 
  1750 #ifdef __cplusplus
  1751 }
  1752 #endif
  1753 EOF
  1754 	  # Now try linking the two files.
  1755 	  mv conftest.$objext conftstm.$objext
  1756 	  save_LIBS="$LIBS"
  1757 	  save_CFLAGS="$CFLAGS"
  1758 	  LIBS="conftstm.$objext"
  1759 	  CFLAGS="$CFLAGS$no_builtin_flag"
  1760 	  if { (eval echo $progname:1709: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
  1761 	    pipe_works=yes
  1762 	  else
  1763 	    echo "$progname: failed program was:" >&5
  1764 	    cat conftest.c >&5
  1765 	  fi
  1766 	  LIBS="$save_LIBS"
  1767 	else
  1768 	  echo "cannot find nm_test_func in $nlist" >&5
  1769 	fi
  1770       else
  1771 	echo "cannot find nm_test_var in $nlist" >&5
  1772       fi
  1773     else
  1774       echo "cannot run $global_symbol_pipe" >&5
  1775     fi
  1776   else
  1777     echo "$progname: failed program was:" >&5
  1778     cat conftest.c >&5
  1779   fi
  1780   $rm conftest* conftst*
  1781 
  1782   # Do not use the global_symbol_pipe unless it works.
  1783   if test "$pipe_works" = yes; then
  1784     break
  1785   else
  1786     global_symbol_pipe=
  1787   fi
  1788 done
  1789 if test "$pipe_works" = yes; then
  1790   echo "${ac_t}ok" 1>&6
  1791 else
  1792   echo "${ac_t}failed" 1>&6
  1793 fi
  1794 
  1795 if test -z "$global_symbol_pipe"; then
  1796   global_symbol_to_cdecl=
  1797 fi
  1798 
  1799 # Check hardcoding attributes.
  1800 echo $ac_n "checking how to hardcode library paths into programs... $ac_c" 1>&6
  1801 hardcode_action=
  1802 if test -n "$hardcode_libdir_flag_spec" || \
  1803    test -n "$runpath_var"; then
  1804 
  1805   # We can hardcode non-existant directories.
  1806   if test "$hardcode_direct" != no &&
  1807      # If the only mechanism to avoid hardcoding is shlibpath_var, we
  1808      # have to relink, otherwise we might link with an installed library
  1809      # when we should be linking with a yet-to-be-installed one
  1810      ## test "$hardcode_shlibpath_var" != no &&
  1811      test "$hardcode_minus_L" != no; then
  1812     # Linking always hardcodes the temporary library directory.
  1813     hardcode_action=relink
  1814   else
  1815     # We can link without hardcoding, and we can hardcode nonexisting dirs.
  1816     hardcode_action=immediate
  1817   fi
  1818 else
  1819   # We cannot hardcode anything, or else we can only hardcode existing
  1820   # directories.
  1821   hardcode_action=unsupported
  1822 fi
  1823 echo "$ac_t$hardcode_action" 1>&6
  1824 
  1825 
  1826 reload_flag=
  1827 reload_cmds='$LD$reload_flag -o $output$reload_objs'
  1828 echo $ac_n "checking for $LD option to reload object files... $ac_c" 1>&6
  1829 # PORTME Some linkers may need a different reload flag.
  1830 reload_flag='-r'
  1831 echo "$ac_t$reload_flag" 1>&6
  1832 test -n "$reload_flag" && reload_flag=" $reload_flag"
  1833 
  1834 # PORTME Fill in your ld.so characteristics
  1835 library_names_spec=
  1836 libname_spec='lib$name'
  1837 soname_spec=
  1838 postinstall_cmds=
  1839 postuninstall_cmds=
  1840 finish_cmds=
  1841 finish_eval=
  1842 shlibpath_var=
  1843 shlibpath_overrides_runpath=unknown
  1844 version_type=none
  1845 dynamic_linker="$host_os ld.so"
  1846 sys_lib_dlsearch_path_spec="/lib /usr/lib"
  1847 sys_lib_search_path_spec="/lib /usr/lib /usr/local/lib"
  1848 file_magic_cmd=
  1849 file_magic_test_file=
  1850 deplibs_check_method='unknown'
  1851 # Need to set the preceding variable on all platforms that support
  1852 # interlibrary dependencies.
  1853 # 'none' -- dependencies not supported.
  1854 # `unknown' -- same as none, but documents that we really don't know.
  1855 # 'pass_all' -- all dependencies passed with no checks.
  1856 # 'test_compile' -- check by making test program.
  1857 # 'file_magic [regex]' -- check by looking for files in library path
  1858 # which responds to the $file_magic_cmd with a given egrep regex.
  1859 # If you have `file' or equivalent on your system and you're not sure
  1860 # whether `pass_all' will *always* work, you probably want this one.
  1861 echo $ac_n "checking dynamic linker characteristics... $ac_c" 1>&6
  1862 case "$host_os" in
  1863 aix3*)
  1864   version_type=linux
  1865   library_names_spec='${libname}${release}.so$versuffix $libname.a'
  1866   shlibpath_var=LIBPATH
  1867 
  1868   # AIX has no versioning support, so we append a major version to the name.
  1869   soname_spec='${libname}${release}.so$major'
  1870   ;;
  1871 
  1872 aix4*)
  1873   version_type=linux
  1874   # AIX has no versioning support, so currently we can not hardcode correct
  1875   # soname into executable. Probably we can add versioning support to
  1876   # collect2, so additional links can be useful in future.
  1877   # We preserve .a as extension for shared libraries though AIX4.2
  1878   # and later linker supports .so
  1879   library_names_spec='${libname}${release}.so$versuffix ${libname}${release}.so$major $libname.a'
  1880   shlibpath_var=LIBPATH
  1881   deplibs_check_method=pass_all
  1882   ;;
  1883 
  1884 amigaos*)
  1885   library_names_spec='$libname.ixlibrary $libname.a'
  1886   # Create ${libname}_ixlibrary.a entries in /sys/libs.
  1887   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 ${libname}_ixlibrary.a) || exit 1; done'
  1888   ;;
  1889 
  1890 beos*)
  1891   library_names_spec='${libname}.so'
  1892   dynamic_linker="$host_os ld.so"
  1893   shlibpath_var=LIBRARY_PATH
  1894   deplibs_check_method=pass_all
  1895   lt_cv_dlopen="load_add_on"
  1896   lt_cv_dlopen_libs=
  1897   lt_cv_dlopen_self=yes
  1898   ;;
  1899 
  1900 bsdi4*)
  1901   version_type=linux
  1902   need_version=no
  1903   library_names_spec='${libname}${release}.so$versuffix ${libname}${release}.so$major $libname.so'
  1904   soname_spec='${libname}${release}.so$major'
  1905   finish_cmds='PATH="\$PATH:/sbin" ldconfig $libdir'
  1906   shlibpath_var=LD_LIBRARY_PATH
  1907   deplibs_check_method='file_magic ELF [0-9][0-9]*-bit [ML]SB (shared object|dynamic lib)'
  1908   file_magic_cmd=/usr/bin/file
  1909   file_magic_test_file=/shlib/libc.so
  1910   sys_lib_search_path_spec="/shlib /usr/lib /usr/X11/lib /usr/contrib/lib /lib /usr/local/lib"
  1911   sys_lib_dlsearch_path_spec="/shlib /usr/lib /usr/local/lib"
  1912   export_dynamic_flag_spec=-rdynamic
  1913   # the default ld.so.conf also contains /usr/contrib/lib and
  1914   # /usr/X11R6/lib (/usr/X11 is a link to /usr/X11R6), but let us allow
  1915   # libtool to hard-code these into programs
  1916   ;;
  1917 
  1918 cygwin* | mingw*)
  1919   version_type=windows
  1920   need_version=no
  1921   need_lib_prefix=no
  1922   if test "$with_gcc" = yes; then
  1923     library_names_spec='`echo ${libname} | sed -e 's/^lib//g'`.dll $libname.a'
  1924   else
  1925     library_names_spec='${libname}`echo ${release} | sed -e 's/[.]/-/g'`${versuffix}.dll $libname.lib'
  1926   fi
  1927   dynamic_linker='Win32 ld.exe'
  1928   deplibs_check_method='file_magic file format pe-i386(.*architecture: i386)?'
  1929   file_magic_cmd='${OBJDUMP} -f'
  1930   # FIXME: first we should search . and the directory the executable is in
  1931   shlibpath_var=PATH
  1932   if test "$with_gcc" = yes; then
  1933     # See where the system libraries really are - /usr/lib won't cut it
  1934     libuser32=`$CC --print-file-name=libuser32.a`
  1935     win32libs=`expr $libuser32 : '\(.*\)/.*'`
  1936     sys_lib_search_path_spec="$sys_lib_search_path_spec /usr/lib/w32api $win32libs"
  1937   fi
  1938   lt_cv_dlopen="LoadLibrary"
  1939   lt_cv_dlopen_libs=
  1940   ;;
  1941 
  1942 freebsd1*)
  1943   dynamic_linker=no
  1944   ;;
  1945   
  1946 freebsd*)
  1947   objformat=`test -x /usr/bin/objformat && /usr/bin/objformat || echo aout`
  1948   version_type=freebsd-$objformat
  1949   case "$version_type" in
  1950     freebsd-elf*)
  1951       deplibs_check_method='pass_all'
  1952     
  1953       file_magic_cmd=/usr/bin/file
  1954       file_magic_test_file=`echo /usr/lib/libc.so*`
  1955       library_names_spec='${libname}${release}.so$versuffix ${libname}${release}.so $libname.so'
  1956       need_version=no
  1957       need_lib_prefix=no
  1958       ;;
  1959     freebsd-*)
  1960       deplibs_check_method=unknown
  1961       library_names_spec='${libname}${release}.so$versuffix $libname.so$versuffix'
  1962       need_version=yes
  1963       ;;
  1964   esac
  1965   shlibpath_var=LD_LIBRARY_PATH
  1966   case "$host_os" in
  1967   freebsd2* | freebsd3.[01]* | freebsdelf3.[01]*)
  1968     shlibpath_overrides_runpath=yes
  1969     ;;
  1970   *) # from 3.2 on
  1971     shlibpath_overrides_runpath=no
  1972     ;;
  1973   esac
  1974   ;;
  1975 
  1976 gnu*)
  1977   version_type=linux
  1978   need_lib_prefix=no
  1979   need_version=no
  1980   library_names_spec='${libname}${release}.so$versuffix ${libname}${release}.so${major} ${libname}.so'
  1981   soname_spec='${libname}${release}.so$major'
  1982   shlibpath_var=LD_LIBRARY_PATH
  1983   ;;
  1984 
  1985 hpux9* | hpux10* | hpux11*)
  1986   # Give a soname corresponding to the major version so that dld.sl refuses to
  1987   # link against other versions.
  1988   dynamic_linker="$host_os dld.sl"
  1989   version_type=sunos
  1990   need_lib_prefix=no
  1991   need_version=no
  1992   shlibpath_var=SHLIB_PATH
  1993   shlibpath_overrides_runpath=no # +s is required to enable SHLIB_PATH
  1994   library_names_spec='${libname}${release}.sl$versuffix ${libname}${release}.sl$major $libname.sl'
  1995   soname_spec='${libname}${release}.sl$major'
  1996   # HP-UX runs *really* slowly unless shared libraries are mode 555.
  1997   postinstall_cmds='chmod 555 $lib'
  1998   case "$host_os" in
  1999   hpux10.20*)
  2000     # TODO:  Does this work for hpux-11 too?
  2001   #  deplibs_check_method='file_magic (s[0-9][0-9][0-9]|PA-RISC[0-9].[0-9]) shared library'
  2002     deplibs_check_method="unknown"
  2003     file_magic_cmd=/usr/bin/file
  2004     file_magic_test_file=/usr/lib/libc.sl
  2005     ;;
  2006   esac
  2007   ;;
  2008 
  2009 irix5* | irix6*)
  2010   version_type=irix
  2011   need_lib_prefix=no
  2012   need_version=no
  2013   soname_spec='${libname}${release}.so.$major'
  2014   library_names_spec='${libname}${release}.so.$versuffix ${libname}${release}.so.$major ${libname}${release}.so $libname.so'
  2015   case "$host_os" in
  2016   irix5*)
  2017     libsuff= shlibsuff=
  2018     # this will be overridden with pass_all, but let us keep it just in case
  2019     deplibs_check_method="file_magic ELF 32-bit MSB dynamic lib MIPS - version 1"
  2020     ;;
  2021   *)
  2022     case "$LD" in # libtool.m4 will add one of these switches to LD
  2023     *-32|*"-32 ") libsuff= shlibsuff= libmagic=32-bit;;
  2024     *-n32|*"-n32 ") libsuff=32 shlibsuff=N32 libmagic=N32;;
  2025     *-64|*"-64 ") libsuff=64 shlibsuff=64 libmagic=64-bit;;
  2026     *) libsuff= shlibsuff= libmagic=never-match;;
  2027     esac
  2028     ;;
  2029   esac
  2030   shlibpath_var=LD_LIBRARY${shlibsuff}_PATH
  2031   shlibpath_overrides_runpath=no
  2032   sys_lib_search_path_spec="/usr/lib${libsuff} /lib${libsuff} /usr/local/lib${libsuff}"
  2033   sys_lib_dlsearch_path_spec="/usr/lib${libsuff} /lib${libsuff}"
  2034   file_magic_cmd=/usr/bin/file
  2035   file_magic_test_file=`echo /lib${libsuff}/libc.so*`
  2036   deplibs_check_method='pass_all'
  2037   ;;
  2038 
  2039 # No shared lib support for Linux oldld, aout, or coff.
  2040 linux-gnuoldld* | linux-gnuaout* | linux-gnucoff*)
  2041   dynamic_linker=no
  2042   ;;
  2043 
  2044 # This must be Linux ELF.
  2045 linux-gnu*)
  2046   version_type=linux
  2047   need_lib_prefix=no
  2048   need_version=no
  2049   library_names_spec='${libname}${release}.so$versuffix ${libname}${release}.so$major $libname.so'
  2050   soname_spec='${libname}${release}.so$major'
  2051   finish_cmds='PATH="\$PATH:/sbin" ldconfig -n $libdir'
  2052   shlibpath_var=LD_LIBRARY_PATH
  2053   shlibpath_overrides_runpath=no
  2054   deplibs_check_method=pass_all
  2055 
  2056   if test -f /lib/ld.so.1; then
  2057     dynamic_linker='GNU ld.so'
  2058   else
  2059     # Only the GNU ld.so supports shared libraries on MkLinux.
  2060     case "$host_cpu" in
  2061     powerpc*) dynamic_linker=no ;;
  2062     *) dynamic_linker='Linux ld.so' ;;
  2063     esac
  2064   fi
  2065   ;;
  2066 
  2067 netbsd*)
  2068   version_type=sunos
  2069   if echo __ELF__ | $CC -E - | grep __ELF__ >/dev/null; then
  2070     library_names_spec='${libname}${release}.so$versuffix ${libname}.so$versuffix'
  2071     finish_cmds='PATH="\$PATH:/sbin" ldconfig -m $libdir'
  2072     dynamic_linker='NetBSD (a.out) ld.so'
  2073   else
  2074     library_names_spec='${libname}${release}.so$versuffix ${libname}${release}.so$major ${libname}${release}.so ${libname}.so'
  2075     soname_spec='${libname}${release}.so$major'
  2076     dynamic_linker='NetBSD ld.elf_so'
  2077   fi
  2078   shlibpath_var=LD_LIBRARY_PATH
  2079   deplibs_check_method='pass_all'
  2080   ;;
  2081 
  2082 openbsd*)
  2083   version_type=sunos
  2084   need_lib_prefix=no
  2085   need_version=no
  2086   file_magic_cmd=/usr/bin/file
  2087   file_magic_test_file=`echo /usr/lib/libc.so.*`
  2088   if test "`echo __ELF__ | $CC -E - | grep __ELF__`" = "" -o "$host_os-$host_cpu" = "openbsd2.8-powerpc"; then
  2089     deplibs_check_method='file_magic ELF [0-9][0-9]*-bit [LM]SB shared object'
  2090     shlibpath_overrides_runpath=no
  2091   else
  2092     deplibs_check_method='file_magic OpenBSD.* shared library'
  2093     shlibpath_overrides_runpath=yes
  2094   fi
  2095   library_names_spec='${libname}${release}.so$versuffix ${libname}.so$versuffix'
  2096   finish_cmds='PATH="\$PATH:/sbin" ldconfig -m $libdir'
  2097   shlibpath_var=LD_LIBRARY_PATH
  2098   deplibs_check_method='pass_all'
  2099   ;;
  2100 
  2101 os2*)
  2102   libname_spec='$name'
  2103   need_lib_prefix=no
  2104   library_names_spec='$libname.dll $libname.a'
  2105   dynamic_linker='OS/2 ld.exe'
  2106   shlibpath_var=LIBPATH
  2107   ;;
  2108 
  2109 osf3* | osf4* | osf5*)
  2110   version_type=osf
  2111   need_version=no
  2112   soname_spec='${libname}${release}.so'
  2113   library_names_spec='${libname}${release}.so$versuffix ${libname}${release}.so $libname.so'
  2114   shlibpath_var=LD_LIBRARY_PATH
  2115   # this will be overridden with pass_all, but let us keep it just in case
  2116   deplibs_check_method='file_magic COFF format alpha shared library'
  2117   file_magic_cmd=/usr/bin/file
  2118   file_magic_test_file=/shlib/libc.so
  2119   deplibs_check_method='pass_all'
  2120   sys_lib_search_path_spec="/usr/shlib /usr/ccs/lib /usr/lib/cmplrs/cc /usr/lib /usr/local/lib /var/shlib"
  2121   sys_lib_dlsearch_path_spec="$sys_lib_search_path_spec"
  2122   ;;
  2123 
  2124 rhapsody*)
  2125   version_type=sunos
  2126   library_names_spec='${libname}.so'
  2127   soname_spec='${libname}.so'
  2128   shlibpath_var=DYLD_LIBRARY_PATH
  2129   deplibs_check_method=pass_all
  2130   ;;
  2131 
  2132 sco3.2v5*)
  2133   version_type=osf
  2134   soname_spec='${libname}${release}.so$major'
  2135   library_names_spec='${libname}${release}.so$versuffix ${libname}${release}.so$major $libname.so'
  2136   shlibpath_var=LD_LIBRARY_PATH
  2137   ;;
  2138 
  2139 solaris*)
  2140   version_type=linux
  2141   need_lib_prefix=no
  2142   need_version=no
  2143   library_names_spec='${libname}${release}.so$versuffix ${libname}${release}.so$major $libname.so'
  2144   soname_spec='${libname}${release}.so$major'
  2145   shlibpath_var=LD_LIBRARY_PATH
  2146   shlibpath_overrides_runpath=yes
  2147   # ldd complains unless libraries are executable
  2148   postinstall_cmds='chmod +x $lib'
  2149   deplibs_check_method="file_magic ELF [0-9][0-9]-bit [LM]SB dynamic lib"
  2150   file_magic_cmd=/usr/bin/file
  2151   file_magic_test_file=/lib/libc.so
  2152   ;;
  2153 
  2154 sunos4*)
  2155   version_type=sunos
  2156   library_names_spec='${libname}${release}.so$versuffix ${libname}.so$versuffix'
  2157   finish_cmds='PATH="\$PATH:/usr/etc" ldconfig $libdir'
  2158   shlibpath_var=LD_LIBRARY_PATH
  2159   shlibpath_overrides_runpath=yes
  2160   if test "$with_gnu_ld" = yes; then
  2161     need_lib_prefix=no
  2162   fi
  2163   need_version=yes
  2164   ;;
  2165 
  2166 sysv4 | sysv4.2uw2* | sysv4.3* | sysv5*)
  2167   version_type=linux
  2168   library_names_spec='${libname}${release}.so$versuffix ${libname}${release}.so$major $libname.so'
  2169   soname_spec='${libname}${release}.so$major'
  2170   shlibpath_var=LD_LIBRARY_PATH
  2171   case "$host_vendor" in
  2172     sequent)
  2173       file_magic_cmd='/bin/file'
  2174       deplibs_check_method='file_magic ELF [0-9][0-9]*-bit [LM]SB (shared object|dynamic lib )'
  2175       ;;
  2176     ncr)
  2177       deplibs_check_method='pass_all'
  2178       ;;
  2179     motorola)
  2180       need_lib_prefix=no
  2181       need_version=no
  2182       shlibpath_overrides_runpath=no
  2183       sys_lib_search_path_spec='/lib /usr/lib /usr/ccs/lib'
  2184       deplibs_check_method='file_magic ELF [0-9][0-9]*-bit [ML]SB (shared object|dynamic lib) M[0-9][0-9]* Version [0-9]'
  2185       file_magic_cmd=/usr/bin/file
  2186       file_magic_test_file=`echo /usr/lib/libc.so*`
  2187       ;;
  2188   esac
  2189   ;;
  2190 
  2191 uts4*)
  2192   version_type=linux
  2193   library_names_spec='${libname}${release}.so$versuffix ${libname}${release}.so$major $libname.so'
  2194   soname_spec='${libname}${release}.so$major'
  2195   shlibpath_var=LD_LIBRARY_PATH
  2196   ;;
  2197 
  2198 dgux*)
  2199   version_type=linux
  2200   need_lib_prefix=no
  2201   need_version=no
  2202   library_names_spec='${libname}${release}.so$versuffix ${libname}${release}.so$major $libname.so'
  2203   soname_spec='${libname}${release}.so$major'
  2204   shlibpath_var=LD_LIBRARY_PATH
  2205   ;;
  2206 
  2207 sysv4*MP*)
  2208   if test -d /usr/nec ;then
  2209     version_type=linux
  2210     library_names_spec='$libname.so.$versuffix $libname.so.$major $libname.so'
  2211     soname_spec='$libname.so.$major'
  2212     shlibpath_var=LD_LIBRARY_PATH
  2213   fi
  2214   ;;
  2215 
  2216 *)
  2217   dynamic_linker=no
  2218   ;;
  2219 
  2220 nto-qnx)
  2221   version_type=linux
  2222   need_lib_prefix=no
  2223   need_version=no
  2224   library_names_spec='${libname}${release}.so$versuffix ${libname}${release}.so$major $libname.so'
  2225   soname_spec='${libname}${release}.so$major'
  2226   shlibpath_var=LD_LIBRARY_PATH
  2227   shlibpath_overrides_runpath=yes
  2228   deplibs_check_method='pass_all'
  2229   ;;
  2230 esac
  2231 echo "$ac_t$dynamic_linker" 1>&6
  2232 test "$dynamic_linker" = no && can_build_shared=no
  2233 
  2234 # Report the final consequences.
  2235 echo "checking if libtool supports shared libraries... $can_build_shared" 1>&6
  2236 
  2237 # Only try to build win32 dlls if AC_LIBTOOL_WIN32_DLL was used in
  2238 # configure.in, otherwise build static only libraries.
  2239 case "$host_os" in
  2240 cygwin* | mingw* | os2*)
  2241   if test x$can_build_shared = xyes; then
  2242     test x$enable_win32_dll = xno && can_build_shared=no
  2243     echo "checking if package supports dlls... $can_build_shared" 1>&6
  2244   fi
  2245 ;;
  2246 esac
  2247 
  2248 if test -n "$file_magic_test_file" && test -n "$file_magic_cmd"; then
  2249   case "$deplibs_check_method" in
  2250   "file_magic "*)
  2251     file_magic_regex="`expr \"$deplibs_check_method\" : \"file_magic \(.*\)\"`"
  2252     if eval $file_magic_cmd \$file_magic_test_file 2> /dev/null |
  2253        egrep "$file_magic_regex" > /dev/null; then
  2254       :
  2255     else
  2256       cat <<EOF 1>&2
  2257 
  2258 *** Warning: the command libtool uses to detect shared libraries,
  2259 *** $file_magic_cmd, produces output that libtool cannot recognize.
  2260 *** The result is that libtool may fail to recognize shared libraries
  2261 *** as such.  This will affect the creation of libtool libraries that
  2262 *** depend on shared libraries, but programs linked with such libtool
  2263 *** libraries will work regardless of this problem.  Nevertheless, you
  2264 *** may want to report the problem to your system manager and/or to
  2265 *** bug-libtool@gnu.org
  2266 
  2267 EOF
  2268     fi ;;
  2269   esac
  2270 fi
  2271 
  2272 echo $ac_n "checking whether to build shared libraries... $ac_c" 1>&6
  2273 test "$can_build_shared" = "no" && enable_shared=no
  2274 
  2275 # On AIX, shared libraries and static libraries use the same namespace, and
  2276 # are all built from PIC.
  2277 case "$host_os" in
  2278 aix3*)
  2279   test "$enable_shared" = yes && enable_static=no
  2280   if test -n "$RANLIB"; then
  2281     archive_cmds="$archive_cmds~\$RANLIB \$lib"
  2282     postinstall_cmds='$RANLIB $lib'
  2283   fi
  2284   ;;
  2285 
  2286 aix4*)
  2287   test "$enable_shared" = yes && enable_static=no
  2288   ;;
  2289 esac
  2290 
  2291 echo "$ac_t$enable_shared" 1>&6
  2292 
  2293 # Make sure either enable_shared or enable_static is yes.
  2294 test "$enable_shared" = yes || enable_static=yes
  2295 
  2296 echo "checking whether to build static libraries... $enable_static" 1>&6
  2297 
  2298 if test "$hardcode_action" = relink; then
  2299   # Fast installation is not supported
  2300   enable_fast_install=no
  2301 elif test "$shlibpath_overrides_runpath" = yes ||
  2302      test "$enable_shared" = no; then
  2303   # Fast installation is not necessary
  2304   enable_fast_install=needless
  2305 fi
  2306 
  2307 echo $ac_n "checking for objdir... $ac_c" 1>&6
  2308 rm -f .libs 2>/dev/null
  2309 mkdir .libs 2>/dev/null
  2310 if test -d .libs; then
  2311   objdir=.libs
  2312 else
  2313   # MS-DOS does not allow filenames that begin with a dot.
  2314   objdir=_libs
  2315 fi
  2316 rmdir .libs 2>/dev/null
  2317 echo "$ac_t$objdir" 1>&6
  2318 
  2319 if test "x$enable_dlopen" != xyes; then
  2320   enable_dlopen=unknown
  2321   enable_dlopen_self=unknown
  2322   enable_dlopen_self_static=unknown
  2323 else
  2324 if eval "test \"`echo '$''{'lt_cv_dlopen'+set}'`\" != set"; then
  2325   lt_cv_dlopen=no lt_cv_dlopen_libs=
  2326 echo $ac_n "checking for dlopen in -ldl""... $ac_c" 1>&6
  2327 echo "$progname:2248: checking for dlopen in -ldl" >&5
  2328 ac_lib_var=`echo dl'_'dlopen | sed 'y%./+-%__p_%'`
  2329 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
  2330   echo $ac_n "(cached) $ac_c" 1>&6
  2331 else
  2332   ac_save_LIBS="$LIBS"
  2333 LIBS="-ldl  $LIBS"
  2334 cat > conftest.$ac_ext <<EOF
  2335 #line 2256 "ltconfig"
  2336 /* Override any gcc2 internal prototype to avoid an error.  */
  2337 /* We use char because int might match the return type of a gcc2
  2338     builtin and then its argument prototype would still apply.  */
  2339 #ifdef __cplusplus
  2340 extern "C"
  2341 #endif
  2342 char dlopen();
  2343 
  2344 int main() {
  2345 dlopen()
  2346 ; return 0; }
  2347 EOF
  2348 if { (eval echo $progname:2269: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
  2349   rm -rf conftest*
  2350   eval "ac_cv_lib_$ac_lib_var=yes"
  2351 else
  2352   echo "$progname: failed program was:" >&5
  2353   cat conftest.$ac_ext >&5
  2354   rm -rf conftest*
  2355   eval "ac_cv_lib_$ac_lib_var=no"
  2356 fi
  2357 rm -f conftest*
  2358 LIBS="$ac_save_LIBS"
  2359 
  2360 fi
  2361 if eval "test \"`echo '$ac_cv_lib_'$ac_lib_var`\" = yes"; then
  2362   echo "$ac_t""yes" 1>&6
  2363   lt_cv_dlopen="dlopen" lt_cv_dlopen_libs="-ldl"
  2364 else
  2365   echo "$ac_t""no" 1>&6
  2366 echo $ac_n "checking for dlopen""... $ac_c" 1>&6
  2367 echo "$progname:2288: checking for dlopen" >&5
  2368 if eval "test \"`echo '$''{'ac_cv_func_dlopen'+set}'`\" = set"; then
  2369   echo $ac_n "(cached) $ac_c" 1>&6
  2370 else
  2371   cat > conftest.$ac_ext <<EOF
  2372 #line 2293 "ltconfig"
  2373 /* System header to define __stub macros and hopefully few prototypes,
  2374     which can conflict with char dlopen(); below.  */
  2375 #include <assert.h>
  2376 /* Override any gcc2 internal prototype to avoid an error.  */
  2377 /* We use char because int might match the return type of a gcc2
  2378     builtin and then its argument prototype would still apply.  */
  2379 #ifdef __cplusplus
  2380 extern "C"
  2381 #endif
  2382 char dlopen();
  2383 
  2384 int main() {
  2385 
  2386 /* The GNU C library defines this for functions which it implements
  2387     to always fail with ENOSYS.  Some functions are actually named
  2388     something starting with __ and the normal name is an alias.  */
  2389 #if defined (__stub_dlopen) || defined (__stub___dlopen)
  2390 choke me
  2391 #else
  2392 dlopen();
  2393 #endif
  2394 
  2395 ; return 0; }
  2396 EOF
  2397 if { (eval echo $progname:2318: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
  2398   rm -rf conftest*
  2399   eval "ac_cv_func_dlopen=yes"
  2400 else
  2401   echo "$progname: failed program was:" >&5
  2402   cat conftest.$ac_ext >&5
  2403   rm -rf conftest*
  2404   eval "ac_cv_func_dlopen=no"
  2405 fi
  2406 rm -f conftest*
  2407 fi
  2408 if eval "test \"`echo '$ac_cv_func_'dlopen`\" = yes"; then
  2409   echo "$ac_t""yes" 1>&6
  2410   lt_cv_dlopen="dlopen"
  2411 else
  2412   echo "$ac_t""no" 1>&6
  2413 echo $ac_n "checking for dld_link in -ldld""... $ac_c" 1>&6
  2414 echo "$progname:2335: checking for dld_link in -ldld" >&5
  2415 ac_lib_var=`echo dld'_'dld_link | sed 'y%./+-%__p_%'`
  2416 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
  2417   echo $ac_n "(cached) $ac_c" 1>&6
  2418 else
  2419   ac_save_LIBS="$LIBS"
  2420 LIBS="-ldld  $LIBS"
  2421 cat > conftest.$ac_ext <<EOF
  2422 #line 2343 "ltconfig"
  2423 /* Override any gcc2 internal prototype to avoid an error.  */
  2424 /* We use char because int might match the return type of a gcc2
  2425     builtin and then its argument prototype would still apply.  */
  2426 #ifdef __cplusplus
  2427 extern "C"
  2428 #endif
  2429 char dld_link();
  2430 
  2431 int main() {
  2432 dld_link()
  2433 ; return 0; }
  2434 EOF
  2435 if { (eval echo $progname:2356: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
  2436   rm -rf conftest*
  2437   eval "ac_cv_lib_$ac_lib_var=yes"
  2438 else
  2439   echo "$progname: failed program was:" >&5
  2440   cat conftest.$ac_ext >&5
  2441   rm -rf conftest*
  2442   eval "ac_cv_lib_$ac_lib_var=no"
  2443 fi
  2444 rm -f conftest*
  2445 LIBS="$ac_save_LIBS"
  2446 
  2447 fi
  2448 if eval "test \"`echo '$ac_cv_lib_'$ac_lib_var`\" = yes"; then
  2449   echo "$ac_t""yes" 1>&6
  2450   lt_cv_dlopen="dld_link" lt_cv_dlopen_libs="-ldld"
  2451 else
  2452   echo "$ac_t""no" 1>&6
  2453 echo $ac_n "checking for shl_load""... $ac_c" 1>&6
  2454 echo "$progname:2375: checking for shl_load" >&5
  2455 if eval "test \"`echo '$''{'ac_cv_func_shl_load'+set}'`\" = set"; then
  2456   echo $ac_n "(cached) $ac_c" 1>&6
  2457 else
  2458   cat > conftest.$ac_ext <<EOF
  2459 #line 2380 "ltconfig"
  2460 /* System header to define __stub macros and hopefully few prototypes,
  2461     which can conflict with char shl_load(); below.  */
  2462 #include <assert.h>
  2463 /* Override any gcc2 internal prototype to avoid an error.  */
  2464 /* We use char because int might match the return type of a gcc2
  2465     builtin and then its argument prototype would still apply.  */
  2466 #ifdef __cplusplus
  2467 extern "C"
  2468 #endif
  2469 char shl_load();
  2470 
  2471 int main() {
  2472 
  2473 /* The GNU C library defines this for functions which it implements
  2474     to always fail with ENOSYS.  Some functions are actually named
  2475     something starting with __ and the normal name is an alias.  */
  2476 #if defined (__stub_shl_load) || defined (__stub___shl_load)
  2477 choke me
  2478 #else
  2479 shl_load();
  2480 #endif
  2481 
  2482 ; return 0; }
  2483 EOF
  2484 if { (eval echo $progname:2405: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
  2485   rm -rf conftest*
  2486   eval "ac_cv_func_shl_load=yes"
  2487 else
  2488   echo "$progname: failed program was:" >&5
  2489   cat conftest.$ac_ext >&5
  2490   rm -rf conftest*
  2491   eval "ac_cv_func_shl_load=no"
  2492 fi
  2493 rm -f conftest*
  2494 fi
  2495 
  2496 if eval "test \"`echo '$ac_cv_func_'shl_load`\" = yes"; then
  2497   echo "$ac_t""yes" 1>&6
  2498   lt_cv_dlopen="shl_load"
  2499 else
  2500   echo "$ac_t""no" 1>&6
  2501 echo $ac_n "checking for shl_load in -ldld""... $ac_c" 1>&6
  2502 echo "$progname:2423: checking for shl_load in -ldld" >&5
  2503 ac_lib_var=`echo dld'_'shl_load | sed 'y%./+-%__p_%'`
  2504 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
  2505   echo $ac_n "(cached) $ac_c" 1>&6
  2506 else
  2507   ac_save_LIBS="$LIBS"
  2508 LIBS="-ldld  $LIBS"
  2509 cat > conftest.$ac_ext <<EOF
  2510 #line 2431 "ltconfig"
  2511 #include "confdefs.h"
  2512 /* Override any gcc2 internal prototype to avoid an error.  */
  2513 /* We use char because int might match the return type of a gcc2
  2514     builtin and then its argument prototype would still apply.  */
  2515 #ifdef __cplusplus
  2516 extern "C"
  2517 #endif
  2518 char shl_load();
  2519 
  2520 int main() {
  2521 shl_load()
  2522 ; return 0; }
  2523 EOF
  2524 if { (eval echo $progname:2445: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
  2525   rm -rf conftest*
  2526   eval "ac_cv_lib_$ac_lib_var=yes"
  2527 else
  2528   echo "$progname: failed program was:" >&5
  2529   cat conftest.$ac_ext >&5
  2530   rm -rf conftest*
  2531   eval "ac_cv_lib_$ac_lib_var=no"
  2532 fi
  2533 rm -f conftest*
  2534 LIBS="$ac_save_LIBS"
  2535 
  2536 fi
  2537 if eval "test \"`echo '$ac_cv_lib_'$ac_lib_var`\" = yes"; then
  2538   echo "$ac_t""yes" 1>&6
  2539   lt_cv_dlopen="shl_load" lt_cv_dlopen_libs="-ldld"
  2540 else
  2541   echo "$ac_t""no" 1>&6
  2542 fi
  2543 
  2544 
  2545 fi
  2546 
  2547     
  2548 fi
  2549 
  2550   
  2551 fi
  2552 
  2553 
  2554 fi
  2555 
  2556 fi
  2557 
  2558   if test "x$lt_cv_dlopen" != xno; then
  2559     enable_dlopen=yes
  2560   fi
  2561 
  2562   case "$lt_cv_dlopen" in
  2563   dlopen)
  2564 for ac_hdr in dlfcn.h; do
  2565 ac_safe=`echo "$ac_hdr" | sed 'y%./+-%__p_%'`
  2566 echo $ac_n "checking for $ac_hdr""... $ac_c" 1>&6
  2567 echo "$progname:2488: checking for $ac_hdr" >&5
  2568 if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then
  2569   echo $ac_n "(cached) $ac_c" 1>&6
  2570 else
  2571   cat > conftest.$ac_ext <<EOF
  2572 #line 2493 "ltconfig"
  2573 #include <$ac_hdr>
  2574 int fnord = 0;
  2575 EOF
  2576 ac_try="$ac_compile >/dev/null 2>conftest.out"
  2577 { (eval echo $progname:2498: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
  2578 ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
  2579 if test -z "$ac_err"; then
  2580   rm -rf conftest*
  2581   eval "ac_cv_header_$ac_safe=yes"
  2582 else
  2583   echo "$ac_err" >&5
  2584   echo "$progname: failed program was:" >&5
  2585   cat conftest.$ac_ext >&5
  2586   rm -rf conftest*
  2587   eval "ac_cv_header_$ac_safe=no"
  2588 fi
  2589 rm -f conftest*
  2590 fi
  2591 if eval "test \"`echo '$ac_cv_header_'$ac_safe`\" = yes"; then
  2592   echo "$ac_t""yes" 1>&6
  2593 else
  2594   echo "$ac_t""no" 1>&6
  2595 fi
  2596 done
  2597 
  2598     if test "x$ac_cv_header_dlfcn_h" = xyes; then
  2599       CPPFLAGS="$CPPFLAGS -DHAVE_DLFCN_H"
  2600     fi
  2601     eval LDFLAGS=\"\$LDFLAGS $export_dynamic_flag_spec\"
  2602     LIBS="$lt_cv_dlopen_libs $LIBS"
  2603 
  2604   echo $ac_n "checking whether a program can dlopen itself""... $ac_c" 1>&6
  2605 echo "$progname:2526: checking whether a program can dlopen itself" >&5
  2606 if test "${lt_cv_dlopen_self+set}" = set; then
  2607   echo $ac_n "(cached) $ac_c" 1>&6
  2608 else
  2609   if test "$cross_compiling" = yes; then
  2610     lt_cv_dlopen_self=cross
  2611   else
  2612     cat > conftest.c <<EOF
  2613 #line 2534 "ltconfig"
  2614 
  2615 #if HAVE_DLFCN_H
  2616 #include <dlfcn.h>
  2617 #endif
  2618 
  2619 #include <stdio.h>
  2620 
  2621 #ifdef RTLD_GLOBAL
  2622 # define LTDL_GLOBAL	RTLD_GLOBAL
  2623 #else
  2624 # ifdef DL_GLOBAL
  2625 #  define LTDL_GLOBAL	DL_GLOBAL
  2626 # else
  2627 #  define LTDL_GLOBAL	0
  2628 # endif
  2629 #endif
  2630 
  2631 /* We may have to define LTDL_LAZY_OR_NOW in the command line if we
  2632    find out it does not work in some platform. */
  2633 #ifndef LTDL_LAZY_OR_NOW
  2634 # ifdef RTLD_LAZY
  2635 #  define LTDL_LAZY_OR_NOW	RTLD_LAZY
  2636 # else
  2637 #  ifdef DL_LAZY
  2638 #   define LTDL_LAZY_OR_NOW	DL_LAZY
  2639 #  else
  2640 #   ifdef RTLD_NOW
  2641 #    define LTDL_LAZY_OR_NOW	RTLD_NOW
  2642 #   else
  2643 #    ifdef DL_NOW
  2644 #     define LTDL_LAZY_OR_NOW	DL_NOW
  2645 #    else
  2646 #     define LTDL_LAZY_OR_NOW	0
  2647 #    endif
  2648 #   endif
  2649 #  endif
  2650 # endif
  2651 #endif
  2652 
  2653 fnord() { int i=42;}
  2654 main() { void *self, *ptr1, *ptr2; self=dlopen(0,LTDL_GLOBAL|LTDL_LAZY_OR_NOW);
  2655     if(self) { ptr1=dlsym(self,"fnord"); ptr2=dlsym(self,"_fnord");
  2656 	       if(ptr1 || ptr2) { dlclose(self); exit(0); } } exit(1); } 
  2657 
  2658 EOF
  2659 if { (eval echo $progname:2580: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest && (./conftest; exit) 2>/dev/null
  2660 then
  2661   lt_cv_dlopen_self=yes
  2662 else
  2663   echo "$progname: failed program was:" >&5
  2664   cat conftest.$ac_ext >&5
  2665   rm -fr conftest*
  2666   lt_cv_dlopen_self=no
  2667 fi
  2668 rm -fr conftest*
  2669 fi
  2670 
  2671 fi
  2672 
  2673 echo "$ac_t""$lt_cv_dlopen_self" 1>&6
  2674 
  2675   if test "$lt_cv_dlopen_self" = yes; then
  2676     LDFLAGS="$LDFLAGS $link_static_flag"
  2677   echo $ac_n "checking whether a statically linked program can dlopen itself""... $ac_c" 1>&6
  2678 echo "$progname:2599: checking whether a statically linked program can dlopen itself" >&5
  2679 if test "${lt_cv_dlopen_self_static+set}" = set; then
  2680   echo $ac_n "(cached) $ac_c" 1>&6
  2681 else
  2682   if test "$cross_compiling" = yes; then
  2683     lt_cv_dlopen_self_static=cross
  2684   else
  2685     cat > conftest.c <<EOF
  2686 #line 2607 "ltconfig"
  2687 
  2688 #if HAVE_DLFCN_H
  2689 #include <dlfcn.h>
  2690 #endif
  2691 
  2692 #include <stdio.h>
  2693 
  2694 #ifdef RTLD_GLOBAL
  2695 # define LTDL_GLOBAL	RTLD_GLOBAL
  2696 #else
  2697 # ifdef DL_GLOBAL
  2698 #  define LTDL_GLOBAL	DL_GLOBAL
  2699 # else
  2700 #  define LTDL_GLOBAL	0
  2701 # endif
  2702 #endif
  2703 
  2704 /* We may have to define LTDL_LAZY_OR_NOW in the command line if we
  2705    find out it does not work in some platform. */
  2706 #ifndef LTDL_LAZY_OR_NOW
  2707 # ifdef RTLD_LAZY
  2708 #  define LTDL_LAZY_OR_NOW	RTLD_LAZY
  2709 # else
  2710 #  ifdef DL_LAZY
  2711 #   define LTDL_LAZY_OR_NOW	DL_LAZY
  2712 #  else
  2713 #   ifdef RTLD_NOW
  2714 #    define LTDL_LAZY_OR_NOW	RTLD_NOW
  2715 #   else
  2716 #    ifdef DL_NOW
  2717 #     define LTDL_LAZY_OR_NOW	DL_NOW
  2718 #    else
  2719 #     define LTDL_LAZY_OR_NOW	0
  2720 #    endif
  2721 #   endif
  2722 #  endif
  2723 # endif
  2724 #endif
  2725 
  2726 fnord() { int i=42;}
  2727 main() { void *self, *ptr1, *ptr2; self=dlopen(0,LTDL_GLOBAL|LTDL_LAZY_OR_NOW);
  2728     if(self) { ptr1=dlsym(self,"fnord"); ptr2=dlsym(self,"_fnord");
  2729     if(ptr1 || ptr2) { dlclose(self); exit(0); } } exit(1); } 
  2730 
  2731 EOF
  2732 if { (eval echo $progname:2653: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest && (./conftest; exit) 2>/dev/null
  2733 then
  2734   lt_cv_dlopen_self_static=yes
  2735 else
  2736   echo "$progname: failed program was:" >&5
  2737   cat conftest.$ac_ext >&5
  2738   rm -fr conftest*
  2739   lt_cv_dlopen_self_static=no
  2740 fi
  2741 rm -fr conftest*
  2742 fi
  2743 
  2744 fi
  2745 
  2746 echo "$ac_t""$lt_cv_dlopen_self_static" 1>&6
  2747 fi
  2748     ;;
  2749   esac
  2750 
  2751   case "$lt_cv_dlopen_self" in
  2752   yes|no) enable_dlopen_self=$lt_cv_dlopen_self ;;
  2753   *) enable_dlopen_self=unknown ;;
  2754   esac
  2755 
  2756   case "$lt_cv_dlopen_self_static" in
  2757   yes|no) enable_dlopen_self_static=$lt_cv_dlopen_self_static ;;
  2758   *) enable_dlopen_self_static=unknown ;;
  2759   esac
  2760 fi
  2761 
  2762 # Copy echo and quote the copy, instead of the original, because it is
  2763 # used later.
  2764 ltecho="$echo"
  2765 if test "X$ltecho" = "X$CONFIG_SHELL $0 --fallback-echo"; then
  2766    ltecho="$CONFIG_SHELL \$0 --fallback-echo"
  2767 fi
  2768 LTSHELL="$SHELL"
  2769 
  2770 LTCONFIG_VERSION="$VERSION"
  2771 
  2772 # Only quote variables if we're using ltmain.sh.
  2773 case "$ltmain" in
  2774 *.sh)
  2775   # Now quote all the things that may contain metacharacters.
  2776   for var in ltecho old_CC old_CFLAGS old_CPPFLAGS \
  2777     old_LD old_LDFLAGS old_LIBS \
  2778     old_NM old_RANLIB old_LN_S old_DLLTOOL old_OBJDUMP old_AS \
  2779     AR CC LD LN_S NM LTSHELL LTCONFIG_VERSION \
  2780     reload_flag reload_cmds wl \
  2781     pic_flag link_static_flag no_builtin_flag export_dynamic_flag_spec \
  2782     thread_safe_flag_spec whole_archive_flag_spec libname_spec \
  2783     library_names_spec soname_spec \
  2784     RANLIB old_archive_cmds old_archive_from_new_cmds old_postinstall_cmds \
  2785     old_postuninstall_cmds archive_cmds archive_expsym_cmds postinstall_cmds postuninstall_cmds \
  2786     file_magic_cmd export_symbols_cmds deplibs_check_method allow_undefined_flag no_undefined_flag \
  2787     finish_cmds finish_eval global_symbol_pipe global_symbol_to_cdecl \
  2788     hardcode_libdir_flag_spec hardcode_libdir_separator  \
  2789     sys_lib_search_path_spec sys_lib_dlsearch_path_spec \
  2790     compiler_c_o compiler_o_lo need_locks exclude_expsyms include_expsyms; do
  2791 
  2792     case "$var" in
  2793     reload_cmds | old_archive_cmds | old_archive_from_new_cmds | \
  2794     old_postinstall_cmds | old_postuninstall_cmds | \
  2795     export_symbols_cmds | archive_cmds | archive_expsym_cmds | \
  2796     postinstall_cmds | postuninstall_cmds | \
  2797     finish_cmds | sys_lib_search_path_spec | sys_lib_dlsearch_path_spec)
  2798       # Double-quote double-evaled strings.
  2799       eval "$var=\\\"\`\$echo \"X\$$var\" | \$Xsed -e \"\$double_quote_subst\" -e \"\$sed_quote_subst\" -e \"\$delay_variable_subst\"\`\\\""
  2800       ;;
  2801     *)
  2802       eval "$var=\\\"\`\$echo \"X\$$var\" | \$Xsed -e \"\$sed_quote_subst\"\`\\\""
  2803       ;;
  2804     esac
  2805   done
  2806 
  2807   case "$ltecho" in
  2808   *'\$0 --fallback-echo"')
  2809     ltecho=`$echo "X$ltecho" | $Xsed -e 's/\\\\\\\$0 --fallback-echo"$/$0 --fallback-echo"/'`
  2810     ;;
  2811   esac
  2812 
  2813   trap "$rm \"$ofile\"; exit 1" 1 2 15
  2814   echo "creating $ofile"
  2815   $rm "$ofile"
  2816   cat <<EOF > "$ofile"
  2817 #! $SHELL
  2818 
  2819 # `$echo "$ofile" | sed 's%^.*/%%'` - Provide generalized library-building support services.
  2820 # Generated automatically by $PROGRAM (GNU $PACKAGE $VERSION$TIMESTAMP)
  2821 # NOTE: Changes made to this file will be lost: look at ltconfig or ltmain.sh.
  2822 #
  2823 # Copyright (C) 1996-1999 Free Software Foundation, Inc.
  2824 # Originally by Gordon Matzigkeit <gord@gnu.ai.mit.edu>, 1996
  2825 #
  2826 # This program is free software; you can redistribute it and/or modify
  2827 # it under the terms of the GNU General Public License as published by
  2828 # the Free Software Foundation; either version 2 of the License, or
  2829 # (at your option) any later version.
  2830 #
  2831 # This program is distributed in the hope that it will be useful, but
  2832 # WITHOUT ANY WARRANTY; without even the implied warranty of
  2833 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  2834 # General Public License for more details.
  2835 #
  2836 # You should have received a copy of the GNU General Public License
  2837 # along with this program; if not, write to the Free Software
  2838 # Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
  2839 #
  2840 # As a special exception to the GNU General Public License, if you
  2841 # distribute this file as part of a program that contains a
  2842 # configuration script generated by Autoconf, you may include it under
  2843 # the same distribution terms that you use for the rest of that program.
  2844 
  2845 # Sed that helps us avoid accidentally triggering echo(1) options like -n.
  2846 Xsed="sed -e s/^X//"
  2847 
  2848 # The HP-UX ksh and POSIX shell print the target directory to stdout
  2849 # if CDPATH is set.
  2850 if test "X\${CDPATH+set}" = Xset; then CDPATH=:; export CDPATH; fi
  2851 
  2852 ### BEGIN LIBTOOL CONFIG
  2853 EOF
  2854   cfgfile="$ofile"
  2855   ;;
  2856 
  2857 *)
  2858   # Double-quote the variables that need it (for aesthetics).
  2859   for var in old_CC old_CFLAGS old_CPPFLAGS \
  2860     old_LD old_LDFLAGS old_LIBS \
  2861     old_NM old_RANLIB old_LN_S old_DLLTOOL old_OBJDUMP old_AS; do
  2862     eval "$var=\\\"\$var\\\""
  2863   done
  2864 
  2865   # Just create a config file.
  2866   cfgfile="$ofile.cfg"
  2867   trap "$rm \"$cfgfile\"; exit 1" 1 2 15
  2868   echo "creating $cfgfile"
  2869   $rm "$cfgfile"
  2870   cat <<EOF > "$cfgfile"
  2871 # `$echo "$cfgfile" | sed 's%^.*/%%'` - Libtool configuration file.
  2872 # Generated automatically by $PROGRAM (GNU $PACKAGE $VERSION$TIMESTAMP)
  2873 EOF
  2874   ;;
  2875 esac
  2876 
  2877 cat <<EOF >> "$cfgfile"
  2878 # Libtool was configured as follows, on host `(hostname || uname -n) 2>/dev/null | sed 1q`:
  2879 #
  2880 # CC=$old_CC CFLAGS=$old_CFLAGS CPPFLAGS=$old_CPPFLAGS \\
  2881 # LD=$old_LD LDFLAGS=$old_LDFLAGS LIBS=$old_LIBS \\
  2882 # NM=$old_NM RANLIB=$old_RANLIB LN_S=$old_LN_S \\
  2883 # DLLTOOL=$old_DLLTOOL OBJDUMP=$old_OBJDUMP AS=$old_AS \\
  2884 #   $0$ltconfig_args
  2885 #
  2886 # Compiler and other test output produced by $progname, useful for
  2887 # debugging $progname, is in ./config.log if it exists.
  2888 
  2889 # The version of $progname that generated this script.
  2890 LTCONFIG_VERSION=$LTCONFIG_VERSION
  2891 
  2892 # Shell to use when invoking shell scripts.
  2893 SHELL=$LTSHELL
  2894 
  2895 # Whether or not to build shared libraries.
  2896 build_libtool_libs=$enable_shared
  2897 
  2898 # Whether or not to build static libraries.
  2899 build_old_libs=$enable_static
  2900 
  2901 # Whether or not to optimize for fast installation.
  2902 fast_install=$enable_fast_install
  2903 
  2904 # The host system.
  2905 host_alias=$host_alias
  2906 host=$host
  2907 
  2908 # An echo program that does not interpret backslashes.
  2909 echo=$ltecho
  2910 
  2911 # The archiver.
  2912 AR=$AR
  2913 
  2914 # The default C compiler.
  2915 CC=$CC
  2916 
  2917 # The linker used to build libraries.
  2918 LD=$LD
  2919 
  2920 # Whether we need hard or soft links.
  2921 LN_S=$LN_S
  2922 
  2923 # A BSD-compatible nm program.
  2924 NM=$NM
  2925 
  2926 # Used on cygwin: DLL creation program.
  2927 DLLTOOL="$DLLTOOL"
  2928 
  2929 # Used on cygwin: object dumper.
  2930 OBJDUMP="$OBJDUMP"
  2931 
  2932 # Used on cygwin: assembler.
  2933 AS="$AS"
  2934 
  2935 # The name of the directory that contains temporary libtool files.
  2936 objdir=$objdir
  2937 
  2938 # How to create reloadable object files.
  2939 reload_flag=$reload_flag
  2940 reload_cmds=$reload_cmds
  2941 
  2942 # How to pass a linker flag through the compiler.
  2943 wl=$wl
  2944 
  2945 # Object file suffix (normally "o").
  2946 objext="$objext"
  2947 
  2948 # Old archive suffix (normally "a").
  2949 libext="$libext"
  2950 
  2951 # Executable file suffix (normally "").
  2952 exeext="$exeext"
  2953 
  2954 # Additional compiler flags for building library objects.
  2955 pic_flag=$pic_flag
  2956 
  2957 # Does compiler simultaneously support -c and -o options?
  2958 compiler_c_o=$compiler_c_o
  2959 
  2960 # Can we write directly to a .lo ?
  2961 compiler_o_lo=$compiler_o_lo
  2962 
  2963 # Must we lock files when doing compilation ?
  2964 need_locks=$need_locks
  2965 
  2966 # Do we need the lib prefix for modules?
  2967 need_lib_prefix=$need_lib_prefix
  2968 
  2969 # Do we need a version for libraries?
  2970 need_version=$need_version
  2971 
  2972 # Whether dlopen is supported.
  2973 dlopen=$enable_dlopen
  2974 
  2975 # Whether dlopen of programs is supported.
  2976 dlopen_self=$enable_dlopen_self
  2977 
  2978 # Whether dlopen of statically linked programs is supported.
  2979 dlopen_self_static=$enable_dlopen_self_static
  2980 
  2981 # Compiler flag to prevent dynamic linking.
  2982 link_static_flag=$link_static_flag
  2983 
  2984 # Compiler flag to turn off builtin functions.
  2985 no_builtin_flag=$no_builtin_flag
  2986 
  2987 # Compiler flag to allow reflexive dlopens.
  2988 export_dynamic_flag_spec=$export_dynamic_flag_spec
  2989 
  2990 # Compiler flag to generate shared objects directly from archives.
  2991 whole_archive_flag_spec=$whole_archive_flag_spec
  2992 
  2993 # Compiler flag to generate thread-safe objects.
  2994 thread_safe_flag_spec=$thread_safe_flag_spec
  2995 
  2996 # Library versioning type.
  2997 version_type=$version_type
  2998 
  2999 # Format of library name prefix.
  3000 libname_spec=$libname_spec
  3001 
  3002 # List of archive names.  First name is the real one, the rest are links.
  3003 # The last name is the one that the linker finds with -lNAME.
  3004 library_names_spec=$library_names_spec
  3005 
  3006 # The coded name of the library, if different from the real name.
  3007 soname_spec=$soname_spec
  3008 
  3009 # Commands used to build and install an old-style archive.
  3010 RANLIB=$RANLIB
  3011 old_archive_cmds=$old_archive_cmds
  3012 old_postinstall_cmds=$old_postinstall_cmds
  3013 old_postuninstall_cmds=$old_postuninstall_cmds
  3014 
  3015 # Create an old-style archive from a shared archive.
  3016 old_archive_from_new_cmds=$old_archive_from_new_cmds
  3017 
  3018 # Commands used to build and install a shared archive.
  3019 archive_cmds=$archive_cmds
  3020 archive_expsym_cmds=$archive_expsym_cmds
  3021 postinstall_cmds=$postinstall_cmds
  3022 postuninstall_cmds=$postuninstall_cmds
  3023 
  3024 # Method to check whether dependent libraries are shared objects.
  3025 deplibs_check_method=$deplibs_check_method
  3026 
  3027 # Command to use when deplibs_check_method == file_magic.
  3028 file_magic_cmd=$file_magic_cmd
  3029 
  3030 # Flag that allows shared libraries with undefined symbols to be built.
  3031 allow_undefined_flag=$allow_undefined_flag
  3032 
  3033 # Flag that forces no undefined symbols.
  3034 no_undefined_flag=$no_undefined_flag
  3035 
  3036 # Commands used to finish a libtool library installation in a directory.
  3037 finish_cmds=$finish_cmds
  3038 
  3039 # Same as above, but a single script fragment to be evaled but not shown.
  3040 finish_eval=$finish_eval
  3041 
  3042 # Take the output of nm and produce a listing of raw symbols and C names.
  3043 global_symbol_pipe=$global_symbol_pipe
  3044 
  3045 # Transform the output of nm in a proper C declaration
  3046 global_symbol_to_cdecl=$global_symbol_to_cdecl
  3047 
  3048 # This is the shared library runtime path variable.
  3049 runpath_var=$runpath_var
  3050 
  3051 # This is the shared library path variable.
  3052 shlibpath_var=$shlibpath_var
  3053 
  3054 # Is shlibpath searched before the hard-coded library search path?
  3055 shlibpath_overrides_runpath=$shlibpath_overrides_runpath
  3056 
  3057 # How to hardcode a shared library path into an executable.
  3058 hardcode_action=$hardcode_action
  3059 
  3060 # Flag to hardcode \$libdir into a binary during linking.
  3061 # This must work even if \$libdir does not exist.
  3062 hardcode_libdir_flag_spec=$hardcode_libdir_flag_spec
  3063 
  3064 # Whether we need a single -rpath flag with a separated argument.
  3065 hardcode_libdir_separator=$hardcode_libdir_separator
  3066 
  3067 # Set to yes if using DIR/libNAME.so during linking hardcodes DIR into the
  3068 # resulting binary.
  3069 hardcode_direct=$hardcode_direct
  3070 
  3071 # Set to yes if using the -LDIR flag during linking hardcodes DIR into the
  3072 # resulting binary.
  3073 hardcode_minus_L=$hardcode_minus_L
  3074 
  3075 # Set to yes if using SHLIBPATH_VAR=DIR during linking hardcodes DIR into
  3076 # the resulting binary.
  3077 hardcode_shlibpath_var=$hardcode_shlibpath_var
  3078 
  3079 # Compile-time system search path for libraries
  3080 sys_lib_search_path_spec=$sys_lib_search_path_spec
  3081 
  3082 # Run-time system search path for libraries
  3083 sys_lib_dlsearch_path_spec=$sys_lib_dlsearch_path_spec
  3084 
  3085 # Fix the shell variable \$srcfile for the compiler.
  3086 fix_srcfile_path="$fix_srcfile_path"
  3087 
  3088 # Set to yes if exported symbols are required.
  3089 always_export_symbols=$always_export_symbols
  3090 
  3091 # The commands to list exported symbols.
  3092 export_symbols_cmds=$export_symbols_cmds
  3093 
  3094 # Symbols that should not be listed in the preloaded symbols.
  3095 exclude_expsyms=$exclude_expsyms
  3096 
  3097 # Symbols that must always be exported.
  3098 include_expsyms=$include_expsyms
  3099 
  3100 EOF
  3101 
  3102 case "$ltmain" in
  3103 *.sh)
  3104   echo '### END LIBTOOL CONFIG' >> "$ofile"
  3105   echo >> "$ofile"
  3106   case "$host_os" in
  3107   aix3*)
  3108     cat <<\EOF >> "$ofile"
  3109 
  3110 # AIX sometimes has problems with the GCC collect2 program.  For some
  3111 # reason, if we set the COLLECT_NAMES environment variable, the problems
  3112 # vanish in a puff of smoke.
  3113 if test "X${COLLECT_NAMES+set}" != Xset; then
  3114   COLLECT_NAMES=
  3115   export COLLECT_NAMES
  3116 fi
  3117 EOF
  3118     ;;
  3119   esac
  3120 
  3121   # Append the ltmain.sh script.
  3122   sed '$q' "$ltmain" >> "$ofile" || (rm -f "$ofile"; exit 1)
  3123   # We use sed instead of cat because bash on DJGPP gets confused if
  3124   # if finds mixed CR/LF and LF-only lines.  Since sed operates in
  3125   # text mode, it properly converts lines to CR/LF.  This bash problem
  3126   # is reportedly fixed, but why not run on old versions too?
  3127 
  3128   chmod +x "$ofile"
  3129   ;;
  3130 
  3131 *)
  3132   # Compile the libtool program.
  3133   echo "FIXME: would compile $ltmain"
  3134   ;;
  3135 esac
  3136 
  3137 test -n "$cache_file" || exit 0
  3138 
  3139 # AC_CACHE_SAVE
  3140 trap '' 1 2 15
  3141 cat > confcache <<\EOF
  3142 # This file is a shell script that caches the results of configure
  3143 # tests run on this system so they can be shared between configure
  3144 # scripts and configure runs.  It is not useful on other systems.
  3145 # If it contains results you don't want to keep, you may remove or edit it.
  3146 #
  3147 # By default, configure uses ./config.cache as the cache file,
  3148 # creating it if it does not exist already.  You can give configure
  3149 # the --cache-file=FILE option to use a different cache file; that is
  3150 # what configure does when it calls configure scripts in
  3151 # subdirectories, so they share the cache.
  3152 # Giving --cache-file=/dev/null disables caching, for debugging configure.
  3153 # config.status only pays attention to the cache file if you give it the
  3154 # --recheck option to rerun configure.
  3155 #
  3156 EOF
  3157 # The following way of writing the cache mishandles newlines in values,
  3158 # but we know of no workaround that is simple, portable, and efficient.
  3159 # So, don't put newlines in cache variables' values.
  3160 # Ultrix sh set writes to stderr and can't be redirected directly,
  3161 # and sets the high bit in the cache file unless we assign to the vars.
  3162 (set) 2>&1 |
  3163   case `(ac_space=' '; set | grep ac_space) 2>&1` in
  3164   *ac_space=\ *)
  3165     # `set' does not quote correctly, so add quotes (double-quote substitution
  3166     # turns \\\\ into \\, and sed turns \\ into \).
  3167     sed -n \
  3168       -e "s/'/'\\\\''/g" \
  3169       -e "s/^\\([a-zA-Z0-9_]*_cv_[a-zA-Z0-9_]*\\)=\\(.*\\)/\\1=\${\\1='\\2'}/p"
  3170     ;;
  3171   *)
  3172     # `set' quotes correctly as required by POSIX, so do not add quotes.
  3173     sed -n -e 's/^\([a-zA-Z0-9_]*_cv_[a-zA-Z0-9_]*\)=\(.*\)/\1=${\1=\2}/p'
  3174     ;;
  3175   esac >> confcache
  3176 if cmp -s $cache_file confcache; then
  3177   :
  3178 else
  3179   if test -w $cache_file; then
  3180     echo "updating cache $cache_file"
  3181     cat confcache > $cache_file
  3182   else
  3183     echo "not updating unwritable cache $cache_file"
  3184   fi
  3185 fi
  3186 rm -f confcache
  3187 
  3188 exit 0
  3189 
  3190 # Local Variables:
  3191 # mode:shell-script
  3192 # sh-indentation:2
  3193 # End: