ltconfig
author Sam Lantinga <slouken@libsdl.org>
Mon, 11 Mar 2002 17:38:56 +0000
changeset 309 2de77f7b7a28
parent 260 716ab2549f78
child 387 469d5c0da01d
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="$old_archive_cmds~\$RANLIB \$oldlib"
   504   case "$host_os" in
   505   openbsd*)
   506     old_postinstall_cmds="\$RANLIB -t \$oldlib~$old_postinstall_cmds"
   507   ;;
   508   *)
   509     old_postinstall_cmds="\$RANLIB \$oldlib~$old_postinstall_cmds"
   510   ;;
   511   esac
   512 fi
   513 
   514 # Set sane defaults for `DLLTOOL', `OBJDUMP', and `AS', used on cygwin.
   515 test -z "$DLLTOOL" && DLLTOOL=dlltool
   516 test -z "$OBJDUMP" && OBJDUMP=objdump
   517 test -z "$AS" && AS=as
   518 
   519 # Check to see if we are using GCC.
   520 if test "$with_gcc" != yes || test -z "$CC"; then
   521   # If CC is not set, then try to find GCC or a usable CC.
   522   if test -z "$CC"; then
   523     echo $ac_n "checking for gcc... $ac_c" 1>&6
   524     IFS="${IFS= 	}"; save_ifs="$IFS"; IFS="${IFS}${PATH_SEPARATOR}"
   525     for dir in $PATH; do
   526       test -z "$dir" && dir=.
   527       if test -f $dir/gcc || test -f $dir/gcc$ac_exeext; then
   528 	CC="gcc"
   529 	break
   530       fi
   531     done
   532     IFS="$save_ifs"
   533 
   534     if test -n "$CC"; then
   535       echo "$ac_t$CC" 1>&6
   536     else
   537       echo "$ac_t"no 1>&6
   538     fi
   539   fi
   540 
   541   # Not "gcc", so try "cc", rejecting "/usr/ucb/cc".
   542   if test -z "$CC"; then
   543     echo $ac_n "checking for cc... $ac_c" 1>&6
   544     IFS="${IFS= 	}"; save_ifs="$IFS"; IFS="${IFS}${PATH_SEPARATOR}"
   545     cc_rejected=no
   546     for dir in $PATH; do
   547       test -z "$dir" && dir=.
   548       if test -f $dir/cc || test -f $dir/cc$ac_exeext; then
   549 	if test "$dir/cc" = "/usr/ucb/cc"; then
   550 	  cc_rejected=yes
   551 	  continue
   552 	fi
   553 	CC="cc"
   554 	break
   555       fi
   556     done
   557     IFS="$save_ifs"
   558     if test $cc_rejected = yes; then
   559       # We found a bogon in the path, so make sure we never use it.
   560       set dummy $CC
   561       shift
   562       if test $# -gt 0; then
   563 	# We chose a different compiler from the bogus one.
   564 	# However, it has the same name, so the bogon will be chosen
   565 	# first if we set CC to just the name; use the full file name.
   566 	shift
   567 	set dummy "$dir/cc" "$@"
   568 	shift
   569 	CC="$@"
   570       fi
   571     fi
   572 
   573     if test -n "$CC"; then
   574       echo "$ac_t$CC" 1>&6
   575     else
   576       echo "$ac_t"no 1>&6
   577     fi
   578 
   579     if test -z "$CC"; then
   580       echo "$progname: error: no acceptable cc found in \$PATH" 1>&2
   581       exit 1
   582     fi
   583   fi
   584 
   585   # Now see if the compiler is really GCC.
   586   with_gcc=no
   587   echo $ac_n "checking whether we are using GNU C... $ac_c" 1>&6
   588   echo "$progname:581: checking whether we are using GNU C" >&5
   589 
   590   $rm conftest.c
   591   cat > conftest.c <<EOF
   592 #ifdef __GNUC__
   593   yes;
   594 #endif
   595 EOF
   596   if { ac_try='${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
   597     with_gcc=yes
   598   fi
   599   $rm conftest.c
   600   echo "$ac_t$with_gcc" 1>&6
   601 fi
   602 
   603 # Allow CC to be a program name with arguments.
   604 set dummy $CC
   605 compiler="$2"
   606 
   607 echo $ac_n "checking for object suffix... $ac_c" 1>&6
   608 $rm conftest*
   609 echo 'int i = 1;' > conftest.c
   610 echo "$progname:603: checking for object suffix" >& 5
   611 if { (eval echo $progname:604: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>conftest.err; }; then
   612   # Append any warnings to the config.log.
   613   cat conftest.err 1>&5
   614 
   615   for ac_file in conftest.*; do
   616     case $ac_file in
   617     *.c) ;;
   618     *) objext=`echo $ac_file | sed -e s/conftest.//` ;;
   619     esac
   620   done
   621 else
   622   cat conftest.err 1>&5
   623   echo "$progname: failed program was:" >&5
   624   cat conftest.c >&5
   625 fi
   626 $rm conftest*
   627 echo "$ac_t$objext" 1>&6
   628 
   629 echo $ac_n "checking for executable suffix... $ac_c" 1>&6
   630 if eval "test \"`echo '$''{'ac_cv_exeext'+set}'`\" = set"; then
   631   echo $ac_n "(cached) $ac_c" 1>&6
   632 else
   633   ac_cv_exeext="no"
   634   $rm conftest*
   635   echo 'main () { return 0; }' > conftest.c
   636   echo "$progname:629: checking for executable suffix" >& 5
   637   if { (eval echo $progname:630: \"$ac_link\") 1>&5; (eval $ac_link) 2>conftest.err; }; then
   638     # Append any warnings to the config.log.
   639     cat conftest.err 1>&5
   640 
   641     for ac_file in conftest.*; do
   642       case $ac_file in
   643       *.c | *.err | *.$objext ) ;;
   644       *) ac_cv_exeext=.`echo $ac_file | sed -e s/conftest.//` ;;
   645       esac
   646     done
   647   else
   648     cat conftest.err 1>&5
   649     echo "$progname: failed program was:" >&5
   650     cat conftest.c >&5
   651   fi
   652   $rm conftest*
   653 fi
   654 if test "X$ac_cv_exeext" = Xno; then
   655   exeext=""
   656 else
   657   exeext="$ac_cv_exeext"
   658 fi
   659 echo "$ac_t$ac_cv_exeext" 1>&6
   660 
   661 echo $ac_n "checking for $compiler option to produce PIC... $ac_c" 1>&6
   662 pic_flag=
   663 special_shlib_compile_flags=
   664 wl=
   665 link_static_flag=
   666 no_builtin_flag=
   667 
   668 if test "$with_gcc" = yes; then
   669   wl='-Wl,'
   670   link_static_flag='-static'
   671 
   672   case "$host_os" in
   673   beos* | irix5* | irix6* | osf3* | osf4* | osf5*)
   674     # PIC is the default for these OSes.
   675     ;;
   676   aix*)
   677     # Below there is a dirty hack to force normal static linking with -ldl
   678     # The problem is because libdl dynamically linked with both libc and
   679     # libC (AIX C++ library), which obviously doesn't included in libraries
   680     # list by gcc. This cause undefined symbols with -static flags.
   681     # This hack allows C programs to be linked with "-static -ldl", but
   682     # we not sure about C++ programs.
   683     link_static_flag="$link_static_flag ${wl}-lC"
   684     ;;
   685   cygwin* | mingw* | os2*)
   686     # We can build DLLs from non-PIC.
   687     ;;
   688   amigaos*)
   689     # FIXME: we need at least 68020 code to build shared libraries, but
   690     # adding the `-m68020' flag to GCC prevents building anything better,
   691     # like `-m68040'.
   692     pic_flag='-m68020 -resident32 -malways-restore-a4'
   693     ;;
   694   sysv4*MP*)
   695     if test -d /usr/nec; then
   696        pic_flag=-Kconform_pic
   697     fi
   698     ;;
   699   *)
   700     pic_flag='-fPIC'
   701     ;;
   702   esac
   703 else
   704   # PORTME Check for PIC flags for the system compiler.
   705   case "$host_os" in
   706   aix3* | aix4*)
   707     # All AIX code is PIC.
   708     link_static_flag='-bnso -bI:/lib/syscalls.exp'
   709     ;;
   710 
   711   hpux9* | hpux10* | hpux11*)
   712     # Is there a better link_static_flag that works with the bundled CC?
   713     wl='-Wl,'
   714     link_static_flag="${wl}-a ${wl}archive"
   715     pic_flag='+Z'
   716     ;;
   717 
   718   irix5* | irix6*)
   719     wl='-Wl,'
   720     link_static_flag='-non_shared'
   721     # PIC (with -KPIC) is the default.
   722     ;;
   723 
   724   cygwin* | mingw* | os2*)
   725     # We can build DLLs from non-PIC.
   726     ;;
   727 
   728   osf3* | osf4* | osf5*)
   729     # All OSF/1 code is PIC.
   730     wl='-Wl,'
   731     link_static_flag='-non_shared'
   732     ;;
   733 
   734   sco3.2v5*)
   735     pic_flag='-Kpic'
   736     link_static_flag='-dn'
   737     special_shlib_compile_flags='-belf'
   738     ;;
   739 
   740   solaris*)
   741     pic_flag='-KPIC'
   742     link_static_flag='-Bstatic'
   743     wl='-Wl,'
   744     ;;
   745 
   746   sunos4*)
   747     pic_flag='-PIC'
   748     link_static_flag='-Bstatic'
   749     wl='-Qoption ld '
   750     ;;
   751 
   752   sysv4 | sysv4.2uw2* | sysv4.3* | sysv5*)
   753     pic_flag='-KPIC'
   754     link_static_flag='-Bstatic'
   755     wl='-Wl,'
   756     ;;
   757 
   758   uts4*)
   759     pic_flag='-pic'
   760     link_static_flag='-Bstatic'
   761     ;;
   762   sysv4*MP*)
   763     if test -d /usr/nec ;then
   764       pic_flag='-Kconform_pic'
   765       link_static_flag='-Bstatic'
   766     fi
   767     ;;
   768   *)
   769     can_build_shared=no
   770     ;;
   771   esac
   772 fi
   773 
   774 if test -n "$pic_flag"; then
   775   echo "$ac_t$pic_flag" 1>&6
   776 
   777   # Check to make sure the pic_flag actually works.
   778   echo $ac_n "checking if $compiler PIC flag $pic_flag works... $ac_c" 1>&6
   779   $rm conftest*
   780   echo "int some_variable = 0;" > conftest.c
   781   save_CFLAGS="$CFLAGS"
   782   CFLAGS="$CFLAGS $pic_flag -DPIC"
   783   echo "$progname:776: checking if $compiler PIC flag $pic_flag works" >&5
   784   if { (eval echo $progname:777: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>conftest.err; } && test -s conftest.$objext; then
   785     # Append any warnings to the config.log.
   786     cat conftest.err 1>&5
   787     
   788     case "$host_os" in
   789     hpux9* | hpux10* | hpux11*)
   790       # On HP-UX, both CC and GCC only warn that PIC is supported... then they
   791       # create non-PIC objects.  So, if there were any warnings, we assume that
   792       # PIC is not supported.
   793       if test -s conftest.err; then
   794 	echo "$ac_t"no 1>&6
   795 	can_build_shared=no
   796 	pic_flag=
   797       else
   798 	echo "$ac_t"yes 1>&6
   799 	pic_flag=" $pic_flag"
   800       fi
   801       ;;
   802     *)
   803       echo "$ac_t"yes 1>&6
   804       pic_flag=" $pic_flag"
   805       ;;
   806     esac
   807   else
   808     # Append any errors to the config.log.
   809     cat conftest.err 1>&5
   810     can_build_shared=no
   811     pic_flag=
   812     echo "$ac_t"no 1>&6
   813   fi
   814   CFLAGS="$save_CFLAGS"
   815   $rm conftest*
   816 else
   817   echo "$ac_t"none 1>&6
   818 fi
   819 
   820 # Check to see if options -o and -c are simultaneously supported by compiler
   821 echo $ac_n "checking if $compiler supports -c -o file.o... $ac_c" 1>&6
   822 $rm -r conftest 2>/dev/null
   823 mkdir conftest
   824 cd conftest
   825 $rm conftest*
   826 echo "int some_variable = 0;" > conftest.c
   827 mkdir out
   828 # According to Tom Tromey, Ian Lance Taylor reported there are C compilers
   829 # that will create temporary files in the current directory regardless of
   830 # the output directory.  Thus, making CWD read-only will cause this test
   831 # to fail, enabling locking or at least warning the user not to do parallel
   832 # builds.
   833 chmod -w .
   834 save_CFLAGS="$CFLAGS"
   835 CFLAGS="$CFLAGS -o out/conftest2.o"
   836 echo "$progname:829: checking if $compiler supports -c -o file.o" >&5
   837 if { (eval echo $progname:830: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>out/conftest.err; } && test -s out/conftest2.o; then
   838 
   839   # The compiler can only warn and ignore the option if not recognized
   840   # So say no if there are warnings
   841     if test -s out/conftest.err; then
   842       echo "$ac_t"no 1>&6
   843       compiler_c_o=no
   844     else
   845       echo "$ac_t"yes 1>&6
   846       compiler_c_o=yes
   847     fi
   848 else
   849   # Append any errors to the config.log.
   850   cat out/conftest.err 1>&5
   851   compiler_c_o=no
   852   echo "$ac_t"no 1>&6
   853 fi
   854 CFLAGS="$save_CFLAGS"
   855 chmod u+w .
   856 $rm conftest* out/*
   857 rmdir out
   858 cd ..
   859 rmdir conftest
   860 $rm -r conftest 2>/dev/null
   861 
   862 if test x"$compiler_c_o" = x"yes"; then
   863   # Check to see if we can write to a .lo
   864   echo $ac_n "checking if $compiler supports -c -o file.lo... $ac_c" 1>&6
   865   $rm conftest*
   866   echo "int some_variable = 0;" > conftest.c
   867   save_CFLAGS="$CFLAGS"
   868   CFLAGS="$CFLAGS -c -o conftest.lo"
   869   echo "$progname:862: checking if $compiler supports -c -o file.lo" >&5
   870 if { (eval echo $progname:863: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>conftest.err; } && test -s conftest.lo; then
   871 
   872     # The compiler can only warn and ignore the option if not recognized
   873     # So say no if there are warnings
   874       if test -s conftest.err; then
   875 	echo "$ac_t"no 1>&6
   876 	compiler_o_lo=no
   877       else
   878 	echo "$ac_t"yes 1>&6
   879 	compiler_o_lo=yes
   880       fi
   881   else
   882     # Append any errors to the config.log.
   883     cat conftest.err 1>&5
   884     compiler_o_lo=no
   885     echo "$ac_t"no 1>&6
   886   fi
   887   CFLAGS="$save_CFLAGS"
   888   $rm conftest*
   889 else
   890   compiler_o_lo=no
   891 fi
   892 
   893 # Check to see if we can do hard links to lock some files if needed
   894 hard_links="nottested"
   895 if test "$compiler_c_o" = no && test "$need_locks" != no; then
   896   # do not overwrite the value of need_locks provided by the user
   897   echo $ac_n "checking if we can lock with hard links... $ac_c" 1>&6
   898   hard_links=yes
   899   $rm conftest*
   900   ln conftest.a conftest.b 2>/dev/null && hard_links=no
   901   touch conftest.a
   902   ln conftest.a conftest.b 2>&5 || hard_links=no
   903   ln conftest.a conftest.b 2>/dev/null && hard_links=no
   904   echo "$ac_t$hard_links" 1>&6
   905   $rm conftest*
   906   if test "$hard_links" = no; then
   907     echo "*** WARNING: \`$CC' does not support \`-c -o', so \`make -j' may be unsafe" >&2
   908     need_locks=warn
   909   fi
   910 else
   911   need_locks=no
   912 fi
   913 
   914 if test "$with_gcc" = yes; then
   915   # Check to see if options -fno-rtti -fno-exceptions are supported by compiler
   916   echo $ac_n "checking if $compiler supports -fno-rtti -fno-exceptions ... $ac_c" 1>&6
   917   $rm conftest*
   918   echo "int some_variable = 0;" > conftest.c
   919   save_CFLAGS="$CFLAGS"
   920   CFLAGS="$CFLAGS -fno-rtti -fno-exceptions -c conftest.c"
   921   echo "$progname:914: checking if $compiler supports -fno-rtti -fno-exceptions" >&5
   922   if { (eval echo $progname:915: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>conftest.err; } && test -s conftest.o; then
   923 
   924     # The compiler can only warn and ignore the option if not recognized
   925     # So say no if there are warnings
   926       if test -s conftest.err; then
   927 	echo "$ac_t"no 1>&6
   928 	compiler_rtti_exceptions=no
   929       else
   930 	echo "$ac_t"yes 1>&6
   931 	compiler_rtti_exceptions=yes
   932       fi
   933   else
   934     # Append any errors to the config.log.
   935     cat conftest.err 1>&5
   936     compiler_rtti_exceptions=no
   937     echo "$ac_t"no 1>&6
   938   fi
   939   CFLAGS="$save_CFLAGS"
   940   $rm conftest*
   941 
   942   if test "$compiler_rtti_exceptions" = "yes"; then
   943     no_builtin_flag=' -fno-builtin -fno-rtti -fno-exceptions'
   944   else
   945     no_builtin_flag=' -fno-builtin'
   946   fi
   947   
   948 fi
   949 
   950 # Check for any special shared library compilation flags.
   951 if test -n "$special_shlib_compile_flags"; then
   952   echo "$progname: warning: \`$CC' requires \`$special_shlib_compile_flags' to build shared libraries" 1>&2
   953   if echo "$old_CC $old_CFLAGS " | egrep -e "[ 	]$special_shlib_compile_flags[ 	]" >/dev/null; then :
   954   else
   955     echo "$progname: add \`$special_shlib_compile_flags' to the CC or CFLAGS env variable and reconfigure" 1>&2
   956     can_build_shared=no
   957   fi
   958 fi
   959 
   960 echo $ac_n "checking if $compiler static flag $link_static_flag works... $ac_c" 1>&6
   961 $rm conftest*
   962 echo 'main(){return(0);}' > conftest.c
   963 save_LDFLAGS="$LDFLAGS"
   964 LDFLAGS="$LDFLAGS $link_static_flag"
   965 echo "$progname:958: checking if $compiler static flag $link_static_flag works" >&5
   966 if { (eval echo $progname:959: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
   967   echo "$ac_t$link_static_flag" 1>&6
   968 else
   969   echo "$ac_t"none 1>&6
   970   link_static_flag=
   971 fi
   972 LDFLAGS="$save_LDFLAGS"
   973 $rm conftest*
   974 
   975 if test -z "$LN_S"; then
   976   # Check to see if we can use ln -s, or we need hard links.
   977   echo $ac_n "checking whether ln -s works... $ac_c" 1>&6
   978   $rm conftest.dat
   979   if ln -s X conftest.dat 2>/dev/null; then
   980     $rm conftest.dat
   981     LN_S="ln -s"
   982   else
   983     LN_S=ln
   984   fi
   985   if test "$LN_S" = "ln -s"; then
   986     echo "$ac_t"yes 1>&6
   987   else
   988     echo "$ac_t"no 1>&6
   989   fi
   990 fi
   991 
   992 # Make sure LD is an absolute path.
   993 if test -z "$LD"; then
   994   ac_prog=ld
   995   if test "$with_gcc" = yes; then
   996     # Check if gcc -print-prog-name=ld gives a path.
   997     echo $ac_n "checking for ld used by GCC... $ac_c" 1>&6
   998     echo "$progname:991: checking for ld used by GCC" >&5
   999     ac_prog=`($CC -print-prog-name=ld) 2>&5`
  1000     case "$ac_prog" in
  1001     # Accept absolute paths.
  1002     [\\/]* | [A-Za-z]:[\\/]*)
  1003       re_direlt='/[^/][^/]*/\.\./'
  1004       # Canonicalize the path of ld
  1005       ac_prog=`echo $ac_prog| sed 's%\\\\%/%g'`
  1006       while echo $ac_prog | grep "$re_direlt" > /dev/null 2>&1; do
  1007 	ac_prog=`echo $ac_prog| sed "s%$re_direlt%/%"`
  1008       done
  1009       test -z "$LD" && LD="$ac_prog"
  1010       ;;
  1011     "")
  1012       # If it fails, then pretend we are not using GCC.
  1013       ac_prog=ld
  1014       ;;
  1015     *)
  1016       # If it is relative, then search for the first ld in PATH.
  1017       with_gnu_ld=unknown
  1018       ;;
  1019     esac
  1020   elif test "$with_gnu_ld" = yes; then
  1021     echo $ac_n "checking for GNU ld... $ac_c" 1>&6
  1022     echo "$progname:1015: checking for GNU ld" >&5
  1023   else
  1024     echo $ac_n "checking for non-GNU ld""... $ac_c" 1>&6
  1025     echo "$progname:1018: checking for non-GNU ld" >&5
  1026   fi
  1027 
  1028   if test -z "$LD"; then
  1029     IFS="${IFS= 	}"; ac_save_ifs="$IFS"; IFS="${IFS}${PATH_SEPARATOR}"
  1030     for ac_dir in $PATH; do
  1031       test -z "$ac_dir" && ac_dir=.
  1032       if test -f "$ac_dir/$ac_prog" || test -f "$ac_dir/$ac_prog$ac_exeext"; then
  1033 	LD="$ac_dir/$ac_prog"
  1034 	# Check to see if the program is GNU ld.  I'd rather use --version,
  1035 	# but apparently some GNU ld's only accept -v.
  1036 	# Break only if it was the GNU/non-GNU ld that we prefer.
  1037 	if "$LD" -v 2>&1 < /dev/null | egrep '(GNU|with BFD)' > /dev/null; then
  1038 	  test "$with_gnu_ld" != no && break
  1039 	else
  1040 	  test "$with_gnu_ld" != yes && break
  1041 	fi
  1042       fi
  1043     done
  1044     IFS="$ac_save_ifs"
  1045   fi
  1046 
  1047   if test -n "$LD"; then
  1048     echo "$ac_t$LD" 1>&6
  1049   else
  1050     echo "$ac_t"no 1>&6
  1051   fi
  1052 
  1053   if test -z "$LD"; then
  1054     echo "$progname: error: no acceptable ld found in \$PATH" 1>&2
  1055     exit 1
  1056   fi
  1057 fi
  1058 
  1059 # Check to see if it really is or is not GNU ld.
  1060 echo $ac_n "checking if the linker ($LD) is GNU ld... $ac_c" 1>&6
  1061 # I'd rather use --version here, but apparently some GNU ld's only accept -v.
  1062 if $LD -v 2>&1 </dev/null | egrep '(GNU|with BFD)' 1>&5; then
  1063   with_gnu_ld=yes
  1064 else
  1065   with_gnu_ld=no
  1066 fi
  1067 echo "$ac_t$with_gnu_ld" 1>&6
  1068 
  1069 # See if the linker supports building shared libraries.
  1070 echo $ac_n "checking whether the linker ($LD) supports shared libraries... $ac_c" 1>&6
  1071 
  1072 allow_undefined_flag=
  1073 no_undefined_flag=
  1074 need_lib_prefix=unknown
  1075 need_version=unknown
  1076 # when you set need_version to no, make sure it does not cause -set_version
  1077 # flags to be left without arguments
  1078 archive_cmds=
  1079 archive_expsym_cmds=
  1080 old_archive_from_new_cmds=
  1081 export_dynamic_flag_spec=
  1082 whole_archive_flag_spec=
  1083 thread_safe_flag_spec=
  1084 hardcode_libdir_flag_spec=
  1085 hardcode_libdir_separator=
  1086 hardcode_direct=no
  1087 hardcode_minus_L=no
  1088 hardcode_shlibpath_var=unsupported
  1089 runpath_var=
  1090 always_export_symbols=no
  1091 export_symbols_cmds='$NM $libobjs $convenience | $global_symbol_pipe | sed '\''s/.* //'\'' | sort | uniq > $export_symbols'
  1092 # include_expsyms should be a list of space-separated symbols to be *always*
  1093 # included in the symbol list
  1094 include_expsyms=
  1095 # exclude_expsyms can be an egrep regular expression of symbols to exclude
  1096 # it will be wrapped by ` (' and `)$', so one must not match beginning or
  1097 # end of line.  Example: `a|bc|.*d.*' will exclude the symbols `a' and `bc',
  1098 # as well as any symbol that contains `d'.
  1099 exclude_expsyms="_GLOBAL_OFFSET_TABLE_"
  1100 # Although _GLOBAL_OFFSET_TABLE_ is a valid symbol C name, most a.out
  1101 # platforms (ab)use it in PIC code, but their linkers get confused if
  1102 # the symbol is explicitly referenced.  Since portable code cannot
  1103 # rely on this symbol name, it's probably fine to never include it in
  1104 # preloaded symbol tables.
  1105 
  1106 case "$host_os" in
  1107 cygwin* | mingw*)
  1108   # FIXME: the MSVC++ port hasn't been tested in a loooong time
  1109   # When not using gcc, we currently assume that we are using
  1110   # Microsoft Visual C++.
  1111   if test "$with_gcc" != yes; then
  1112     with_gnu_ld=no
  1113   fi
  1114   ;;
  1115 openbsd*)
  1116   with_gnu_ld=no
  1117   ;;
  1118 
  1119 esac
  1120 
  1121 ld_shlibs=yes
  1122 if test "$with_gnu_ld" = yes; then
  1123   # If archive_cmds runs LD, not CC, wlarc should be empty
  1124   wlarc='${wl}'
  1125 
  1126   # See if GNU ld supports shared libraries.
  1127   case "$host_os" in
  1128   aix3* | aix4*)
  1129     # On AIX, the GNU linker is very broken
  1130     ld_shlibs=no
  1131     cat <<EOF 1>&2
  1132 
  1133 *** Warning: the GNU linker, at least up to release 2.9.1, is reported
  1134 *** to be unable to reliably create shared libraries on AIX.
  1135 *** Therefore, libtool is disabling shared libraries support.  If you
  1136 *** really care for shared libraries, you may want to modify your PATH
  1137 *** so that a non-GNU linker is found, and then restart.
  1138 
  1139 EOF
  1140     ;;
  1141 
  1142   amigaos*)
  1143     archive_cmds='$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 $objdir && a2ixlibrary -32)'
  1144     hardcode_libdir_flag_spec='-L$libdir'
  1145     hardcode_minus_L=yes
  1146 
  1147     # Samuel A. Falvo II <kc5tja@dolphin.openprojects.net> reports
  1148     # that the semantics of dynamic libraries on AmigaOS, at least up
  1149     # to version 4, is to share data among multiple programs linked
  1150     # with the same dynamic library.  Since this doesn't match the
  1151     # behavior of shared libraries on other platforms, we can use
  1152     # them.
  1153     ld_shlibs=no
  1154     ;;
  1155 
  1156   beos*)
  1157     if $LD --help 2>&1 | egrep ': supported targets:.* elf' > /dev/null; then
  1158       #allow_undefined_flag=unsupported
  1159       # Joseph Beckenbach <jrb3@best.com> says some releases of gcc
  1160       # support --undefined.  This deserves some investigation.  FIXME
  1161       archive_cmds='$CC -nostart $libobjs $deplibs $linkopts ${wl}-soname $wl$soname -o $lib'
  1162     else
  1163       ld_shlibs=no
  1164     fi
  1165     ;;
  1166 
  1167   cygwin* | mingw*)
  1168     # Special flag that tells Cygwin to use the native MSVC runtime
  1169     case "$host_os" in
  1170     cygwin*)
  1171       cygwin_use_msvcrt=true
  1172       ;;
  1173     esac
  1174     # hardcode_libdir_flag_spec is actually meaningless, as there is
  1175     # no search path for DLLs.
  1176     hardcode_libdir_flag_spec='-L$libdir'
  1177 #    allow_undefined_flag=unsupported
  1178     always_export_symbols=yes
  1179 
  1180     # Extract the symbol export list from an `--export-all' def file,
  1181     # then regenerate the def file from the symbol export list, so that
  1182     # the compiled dll only exports the symbol export list.
  1183     # Be careful not to strip the DATA tag left by newer dlltools.
  1184     if [ "$cygwin_use_msvcrt" = "true" ]; then
  1185       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~
  1186       test -f $objdir/$soname-ltdll.$objext || (cd $objdir && $CC -U__CYGWIN__ -U__CYGWIN32__ -c $soname-ltdll.c)~
  1187       $DLLTOOL --exclude-symbols _DllMain@12,_cygwin_dll_entry@12,_cygwin_noncygwin_dll_entry@12 --output-def $objdir/$soname-def  $objdir/$soname-ltdll.$objext $libobjs $convenience~
  1188       sed -e "1,/EXPORTS/d" -e "s/ @ [0-9]*//" -e "s/ *;.*$//" < $objdir/$soname-def > $export_symbols'
  1189     else
  1190       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~
  1191       test -f $objdir/$soname-ltdll.$objext || (cd $objdir && $CC -c $soname-ltdll.c)~
  1192       $DLLTOOL --exclude-symbols _DllMain@12,_cygwin_dll_entry@12,_cygwin_noncygwin_dll_entry@12 --output-def $objdir/$soname-def  $objdir/$soname-ltdll.$objext $libobjs $convenience~
  1193       sed -e "1,/EXPORTS/d" -e "s/ @ [0-9]*//" -e "s/ *;.*$//" < $objdir/$soname-def > $export_symbols'
  1194     fi
  1195 
  1196     # If DATA tags from a recent dlltool are present, honour them!
  1197     if [ "$cygwin_use_msvcrt" = "true" ]; then
  1198       archive_expsym_cmds='echo EXPORTS > $objdir/$soname-def~
  1199       _lt_hint=1;
  1200       cat $export_symbols | while read symbol; do
  1201         set dummy \$symbol;
  1202         case \$# in
  1203           2) echo "	\$2 @ \$_lt_hint ; " >> $objdir/$soname-def;;
  1204           *) echo "     \$2 @ \$_lt_hint \$3 ; " >> $objdir/$soname-def;;
  1205         esac;
  1206 	_lt_hint=`expr 1 + \$_lt_hint`;
  1207       done~
  1208       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~
  1209       test -f $objdir/$soname-ltdll.$objext || (cd $objdir && $CC -U__CYGWIN__ -U__CYGWIN32__ -c $soname-ltdll.c)~
  1210       $CC -Wl,--base-file,$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~
  1211       $DLLTOOL --as=$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~
  1212       $CC -Wl,--base-file,$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~
  1213       $DLLTOOL --as=$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~
  1214       $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~
  1215       : strip_is_broken_with_dlls_on_win95B - strip $lib'
  1216     else
  1217       archive_expsym_cmds='echo EXPORTS > $objdir/$soname-def~
  1218       _lt_hint=1;
  1219       cat $export_symbols | while read symbol; do
  1220         set dummy \$symbol;
  1221         case \$# in
  1222           2) echo "	\$2 @ \$_lt_hint ; " >> $objdir/$soname-def;;
  1223           *) echo "     \$2 @ \$_lt_hint \$3 ; " >> $objdir/$soname-def;;
  1224         esac;
  1225 	_lt_hint=`expr 1 + \$_lt_hint`;
  1226       done~
  1227       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~
  1228       test -f $objdir/$soname-ltdll.$objext || (cd $objdir && $CC -c $soname-ltdll.c)~
  1229       $CC -Wl,--base-file,$objdir/$soname-base -Wl,--dll -nostartfiles -Wl,-e,_DllMain@12 -o $lib $objdir/$soname-ltdll.$objext $libobjs $deplibs $linkopts~
  1230       $DLLTOOL --as=$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~
  1231       $CC -Wl,--base-file,$objdir/$soname-base $objdir/$soname-exp -Wl,--dll -nostartfiles -Wl,-e,_DllMain@12 -o $lib $objdir/$soname-ltdll.$objext $libobjs $deplibs $linkopts~
  1232       $DLLTOOL --as=$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~
  1233       $CC $objdir/$soname-exp -Wl,--dll -nostartfiles -Wl,-e,_DllMain@12 -o $lib $objdir/$soname-ltdll.$objext $libobjs $deplibs $linkopts~
  1234       : strip_is_broken_with_dlls_on_win95B - strip $lib'
  1235     fi
  1236     old_archive_from_new_cmds='$DLLTOOL --as=$AS --dllname $soname --def $objdir/$soname-def --output-lib $objdir/$libname.a'
  1237     ;;
  1238 
  1239   netbsd*)
  1240     if echo __ELF__ | $CC -E - | grep __ELF__ >/dev/null; then
  1241       archive_cmds='$CC -shared $libobjs $deplibs $linkopts ${wl}-soname $wl$soname -o $lib'
  1242       archive_expsym_cmds='$CC -shared $libobjs $deplibs $linkopts ${wl}-soname $wl$soname ${wl}-retain-symbols-file $wl$export_symbols -o $lib'
  1243     else
  1244       archive_cmds='$LD -Bshareable $libobjs $deplibs $linkopts -o $lib'
  1245       # can we support soname and/or expsyms with a.out? -oliva
  1246     fi
  1247     ;;
  1248 
  1249   solaris* | sysv5*)
  1250     if $LD -v 2>&1 | egrep 'BFD 2\.8' > /dev/null; then
  1251       ld_shlibs=no
  1252       cat <<EOF 1>&2
  1253 
  1254 *** Warning: The releases 2.8.* of the GNU linker cannot reliably
  1255 *** create shared libraries on Solaris systems.  Therefore, libtool
  1256 *** is disabling shared libraries support.  We urge you to upgrade GNU
  1257 *** binutils to release 2.9.1 or newer.  Another option is to modify
  1258 *** your PATH or compiler configuration so that the native linker is
  1259 *** used, and then restart.
  1260 
  1261 EOF
  1262     elif $LD --help 2>&1 | egrep ': supported targets:.* elf' > /dev/null; then
  1263       archive_cmds='$CC -shared $libobjs $deplibs $linkopts ${wl}-soname $wl$soname -o $lib'
  1264       archive_expsym_cmds='$CC -shared $libobjs $deplibs $linkopts ${wl}-soname $wl$soname ${wl}-retain-symbols-file $wl$export_symbols -o $lib'
  1265     else
  1266       ld_shlibs=no
  1267     fi
  1268     ;;      
  1269 
  1270   sunos4*)
  1271     archive_cmds='$LD -assert pure-text -Bshareable -o $lib $libobjs $deplibs $linkopts'
  1272     wlarc=
  1273     hardcode_direct=yes
  1274     hardcode_shlibpath_var=no
  1275     ;;
  1276 
  1277   *)
  1278     if $LD --help 2>&1 | egrep ': supported targets:.* elf' > /dev/null; then
  1279       archive_cmds='$CC -shared $libobjs $deplibs $linkopts ${wl}-soname $wl$soname -o $lib'
  1280       archive_expsym_cmds='$CC -shared $libobjs $deplibs $linkopts ${wl}-soname $wl$soname ${wl}-retain-symbols-file $wl$export_symbols -o $lib'
  1281     else
  1282       ld_shlibs=no
  1283     fi
  1284     ;;
  1285   esac
  1286 
  1287   if test "$ld_shlibs" = yes; then
  1288     runpath_var=LD_RUN_PATH
  1289     hardcode_libdir_flag_spec='${wl}--rpath ${wl}$libdir'
  1290     export_dynamic_flag_spec='${wl}--export-dynamic'
  1291     case $host_os in
  1292     cygwin* | mingw*)
  1293       # dlltool doesn't understand --whole-archive et. al.
  1294       whole_archive_flag_spec=
  1295       ;;
  1296     netbsd*)
  1297       whole_archive_flag_spec=
  1298       ;;
  1299     *)
  1300       # ancient GNU ld didn't support --whole-archive et. al.
  1301       if $LD --help 2>&1 | egrep 'no-whole-archive' > /dev/null; then
  1302         whole_archive_flag_spec="$wlarc"'--whole-archive$convenience '"$wlarc"'--no-whole-archive'
  1303       else
  1304         whole_archive_flag_spec=
  1305       fi
  1306       ;;
  1307     esac
  1308   fi
  1309 else
  1310   # PORTME fill in a description of your system's linker (not GNU ld)
  1311   case "$host_os" in
  1312   aix3*)
  1313     allow_undefined_flag=unsupported
  1314     always_export_symbols=yes
  1315     archive_expsym_cmds='$LD -o $objdir/$soname $libobjs $deplibs $linkopts -bE:$export_symbols -T512 -H512 -bM:SRE~$AR cru $lib $objdir/$soname'
  1316     # Note: this linker hardcodes the directories in LIBPATH if there
  1317     # are no directories specified by -L.
  1318     hardcode_minus_L=yes
  1319     if test "$with_gcc" = yes && test -z "$link_static_flag"; then
  1320       # Neither direct hardcoding nor static linking is supported with a
  1321       # broken collect2.
  1322       hardcode_direct=unsupported
  1323     fi
  1324     ;;
  1325 
  1326   aix4*)
  1327     hardcode_libdir_flag_spec='${wl}-b ${wl}nolibpath ${wl}-b ${wl}libpath:$libdir:/usr/lib:/lib'
  1328     hardcode_libdir_separator=':'
  1329     if test "$with_gcc" = yes; then
  1330       collect2name=`${CC} -print-prog-name=collect2`
  1331       if test -f "$collect2name" && \
  1332 	 strings "$collect2name" | grep resolve_lib_name >/dev/null
  1333       then
  1334 	# We have reworked collect2
  1335 	hardcode_direct=yes
  1336       else
  1337 	# We have old collect2
  1338 	hardcode_direct=unsupported
  1339 	# It fails to find uninstalled libraries when the uninstalled
  1340 	# path is not listed in the libpath.  Setting hardcode_minus_L
  1341 	# to unsupported forces relinking
  1342 	hardcode_minus_L=yes
  1343 	hardcode_libdir_flag_spec='-L$libdir'
  1344 	hardcode_libdir_separator=
  1345       fi
  1346       shared_flag='-shared'
  1347     else
  1348       shared_flag='${wl}-bM:SRE'
  1349       hardcode_direct=yes
  1350     fi
  1351     allow_undefined_flag=' ${wl}-berok'
  1352     archive_cmds="\$CC $shared_flag"' -o $objdir/$soname $libobjs $deplibs $linkopts ${wl}-bexpall ${wl}-bnoentry${allow_undefined_flag}'
  1353     archive_expsym_cmds="\$CC $shared_flag"' -o $objdir/$soname $libobjs $deplibs $linkopts ${wl}-bE:$export_symbols ${wl}-bnoentry${allow_undefined_flag}'
  1354     case "$host_os" in aix4.[01]|aix4.[01].*)
  1355       # According to Greg Wooledge, -bexpall is only supported from AIX 4.2 on
  1356       always_export_symbols=yes ;;
  1357     esac
  1358    ;;
  1359 
  1360   amigaos*)
  1361     archive_cmds='$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 $objdir && a2ixlibrary -32)'
  1362     hardcode_libdir_flag_spec='-L$libdir'
  1363     hardcode_minus_L=yes
  1364     # see comment about different semantics on the GNU ld section
  1365     ld_shlibs=no
  1366     ;;
  1367 
  1368   cygwin* | mingw*)
  1369     # When not using gcc, we currently assume that we are using
  1370     # Microsoft Visual C++.
  1371     # hardcode_libdir_flag_spec is actually meaningless, as there is
  1372     # no search path for DLLs.
  1373     hardcode_libdir_flag_spec=' '
  1374 #    allow_undefined_flag=unsupported
  1375     # Tell ltmain to make .lib files, not .a files.
  1376     libext=lib
  1377     # FIXME: Setting linknames here is a bad hack.
  1378     archive_cmds='$CC -o $lib $libobjs $linkopts `echo "$deplibs" | sed -e '\''s/ -lc$//'\''` -link -dll~linknames='
  1379     # The linker will automatically build a .lib file if we build a DLL.
  1380     old_archive_from_new_cmds='true'
  1381     # FIXME: Should let the user specify the lib program.
  1382     old_archive_cmds='lib /OUT:$oldlib$oldobjs'
  1383     fix_srcfile_path='`cygpath -w $srcfile`'
  1384     ;;
  1385 
  1386   freebsd1*)
  1387     ld_shlibs=no
  1388     ;;
  1389 
  1390   # FreeBSD 2.2.[012] allows us to include c++rt0.o to get C++ constructor
  1391   # support.  Future versions do this automatically, but an explicit c++rt0.o
  1392   # does not break anything, and helps significantly (at the cost of a little
  1393   # extra space).
  1394   freebsd2.2*)
  1395     archive_cmds='$LD -Bshareable -o $lib $libobjs $deplibs $linkopts /usr/lib/c++rt0.o'
  1396     hardcode_libdir_flag_spec='-R$libdir'
  1397     hardcode_direct=yes
  1398     hardcode_shlibpath_var=no
  1399     ;;
  1400 
  1401   # Unfortunately, older versions of FreeBSD 2 do not have this feature.
  1402   freebsd2*)
  1403     archive_cmds='$LD -Bshareable -o $lib $libobjs $deplibs $linkopts'
  1404     hardcode_direct=yes
  1405     hardcode_minus_L=yes
  1406     hardcode_shlibpath_var=no
  1407     ;;
  1408 
  1409   # FreeBSD 3 and greater uses gcc -shared to do shared libraries.
  1410   freebsd*)
  1411     archive_cmds='$CC -shared -o $lib $libobjs $deplibs $linkopts'
  1412     hardcode_libdir_flag_spec='-R$libdir'
  1413     hardcode_direct=yes
  1414     hardcode_shlibpath_var=no
  1415     ;;
  1416 
  1417   hpux9* | hpux10* | hpux11*)
  1418     case "$host_os" in
  1419     hpux9*) archive_cmds='$rm $objdir/$soname~$LD -b +b $install_libdir -o $objdir/$soname $libobjs $deplibs $linkopts~test $objdir/$soname = $lib || mv $objdir/$soname $lib' ;;
  1420     *) archive_cmds='$LD -b +h $soname +b $install_libdir -o $lib $libobjs $deplibs $linkopts' ;;
  1421     esac
  1422     hardcode_libdir_flag_spec='${wl}+b ${wl}$libdir'
  1423     hardcode_libdir_separator=:
  1424     hardcode_direct=yes
  1425     hardcode_minus_L=yes # Not in the search PATH, but as the default
  1426 			 # location of the library.
  1427     export_dynamic_flag_spec='${wl}-E'
  1428     ;;
  1429 
  1430   irix5* | irix6*)
  1431     if test "$with_gcc" = yes; then
  1432       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 $lib'
  1433     else
  1434       archive_cmds='$LD -shared $libobjs $deplibs $linkopts -soname $soname `test -n "$verstring" && echo -set_version $verstring` -update_registry ${objdir}/so_locations -o $lib'
  1435     fi
  1436     hardcode_libdir_flag_spec='${wl}-rpath ${wl}$libdir'
  1437     hardcode_libdir_separator=:
  1438     ;;
  1439 
  1440   netbsd*)
  1441     if echo __ELF__ | $CC -E - | grep __ELF__ >/dev/null; then
  1442       archive_cmds='$LD -Bshareable -o $lib $libobjs $deplibs $linkopts'  # a.out
  1443     else
  1444       archive_cmds='$LD -shared -o $lib $libobjs $deplibs $linkopts'      # ELF
  1445     fi
  1446     hardcode_libdir_flag_spec='${wl}-R$libdir'
  1447     hardcode_direct=yes
  1448     hardcode_shlibpath_var=no
  1449     ;;
  1450 
  1451   openbsd*)
  1452     hardcode_direct=yes
  1453     hardcode_shlibpath_var=no
  1454     if test -z "`echo __ELF__ | $CC -E - | grep __ELF__`" || test "$host_os-$host_cpu" = "openbsd2.
  1455 8-powerpc"; then
  1456       archive_cmds='$CC -shared $pic_flag -o $lib $libobjs $deplibs $linkopts'
  1457       hardcode_libdir_flag_spec='${wl}-R$libdir'
  1458       export_dynamic_flag_spec='${wl}-E'
  1459     else
  1460       case "$host_os" in
  1461       openbsd[01].* | openbsd2.[0-7] | openbsd2.[0-7].*)
  1462        archive_cmds='$LD -Bshareable -o $lib $libobjs $deplibs $linkopts'
  1463        hardcode_libdir_flag_spec='-R$libdir'
  1464        ;;
  1465       *)
  1466        archive_cmds='$CC -shared $pic_flag -o $lib $libobjs $deplibs $linkopts'
  1467        hardcode_libdir_flag_spec='${wl}-R$libdir'
  1468        ;;
  1469       esac
  1470     fi
  1471     ;;
  1472 
  1473   os2*)
  1474     hardcode_libdir_flag_spec='-L$libdir'
  1475     hardcode_minus_L=yes
  1476     allow_undefined_flag=unsupported
  1477     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'
  1478     old_archive_from_new_cmds='emximp -o $objdir/$libname.a $objdir/$libname.def'
  1479     ;;
  1480 
  1481   osf3*)
  1482     if test "$with_gcc" = yes; then
  1483       allow_undefined_flag=' ${wl}-expect_unresolved ${wl}\*'
  1484       archive_cmds='$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 $lib'
  1485     else
  1486       allow_undefined_flag=' -expect_unresolved \*'
  1487       archive_cmds='$LD -shared${allow_undefined_flag} $libobjs $deplibs $linkopts -soname $soname `test -n "$verstring" && echo -set_version $verstring` -update_registry ${objdir}/so_locations -o $lib'
  1488     fi
  1489     hardcode_libdir_flag_spec='${wl}-rpath ${wl}$libdir'
  1490     hardcode_libdir_separator=:
  1491     ;;
  1492 
  1493   osf4* | osf5*)  # As osf3* with the addition of the -msym flag
  1494     if test "$with_gcc" = yes; then
  1495       allow_undefined_flag=' ${wl}-expect_unresolved ${wl}\*'
  1496       archive_cmds='$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 $lib'
  1497     else
  1498       allow_undefined_flag=' -expect_unresolved \*'
  1499       archive_cmds='$LD -shared${allow_undefined_flag} $libobjs $deplibs $linkopts -msym -soname $soname `test -n "$verstring" && echo -set_version $verstring` -update_registry ${objdir}/so_locations -o $lib'
  1500     fi
  1501     hardcode_libdir_flag_spec='${wl}-rpath ${wl}$libdir'
  1502     hardcode_libdir_separator=:
  1503     ;;
  1504   rhapsody*)
  1505     archive_cmds='$CC -bundle -undefined suppress -o $lib $libobjs $deplibs $linkopts'
  1506     hardcode_libdir_flags_spec='-L$libdir'
  1507     hardcode_direct=yes
  1508     hardcode_shlibpath_var=no
  1509     ;;
  1510                                        
  1511   sco3.2v5*)
  1512     archive_cmds='$LD -G -h $soname -o $lib $libobjs $deplibs $linkopts'
  1513     hardcode_shlibpath_var=no
  1514     runpath_var=LD_RUN_PATH
  1515     hardcode_runpath_var=yes
  1516     ;;
  1517 
  1518   solaris*)
  1519     no_undefined_flag=' -z text'
  1520     # $CC -shared without GNU ld will not create a library from C++
  1521     # object files and a static libstdc++, better avoid it by now
  1522     archive_cmds='$LD -G${allow_undefined_flag} -h $soname -o $lib $libobjs $deplibs $linkopts'
  1523     archive_expsym_cmds='$echo "{ global:" > $lib.exp~cat $export_symbols | sed -e "s/\(.*\)/\1;/" >> $lib.exp~$echo "local: *; };" >> $lib.exp~
  1524 		$LD -G${allow_undefined_flag} -M $lib.exp -h $soname -o $lib $libobjs $deplibs $linkopts~$rm $lib.exp'
  1525     hardcode_libdir_flag_spec='-R$libdir'
  1526     hardcode_shlibpath_var=no
  1527     case "$host_os" in
  1528     solaris2.[0-5] | solaris2.[0-5].*) ;;
  1529     *) # Supported since Solaris 2.6 (maybe 2.5.1?)
  1530       whole_archive_flag_spec='-z allextract$convenience -z defaultextract' ;;
  1531     esac
  1532     ;;
  1533 
  1534   sunos4*)
  1535     archive_cmds='$LD -assert pure-text -Bstatic -o $lib $libobjs $deplibs $linkopts'
  1536     hardcode_libdir_flag_spec='-L$libdir'
  1537     hardcode_direct=yes
  1538     hardcode_minus_L=yes
  1539     hardcode_shlibpath_var=no
  1540     ;;
  1541 
  1542   sysv4)
  1543     if test "x$host_vendor" = xsequent; then
  1544       # Use $CC to link under sequent, because it throws in some extra .o 
  1545       # files that make .init and .fini sections work.
  1546       archive_cmds='$CC -G ${wl}-h $soname -o $lib $libobjs $deplibs $linkopts'
  1547     else
  1548       archive_cmds='$LD -G -h $soname -o $lib $libobjs $deplibs $linkopts'
  1549     fi
  1550     runpath_var='LD_RUN_PATH'
  1551     hardcode_shlibpath_var=no
  1552     hardcode_direct=no #Motorola manual says yes, but my tests say they lie 
  1553     ;;  
  1554 
  1555   sysv4.3*)
  1556     archive_cmds='$LD -G -h $soname -o $lib $libobjs $deplibs $linkopts'
  1557     hardcode_shlibpath_var=no
  1558     export_dynamic_flag_spec='-Bexport'
  1559     ;;
  1560 
  1561   sysv5*)
  1562     no_undefined_flag=' -z text'
  1563     # $CC -shared without GNU ld will not create a library from C++
  1564     # object files and a static libstdc++, better avoid it by now
  1565     archive_cmds='$LD -G${allow_undefined_flag} -h $rpath/$soname -o $lib $libobjs $deplibs $linkopts'
  1566     archive_expsym_cmds='$echo "{ global:" > $lib.exp~cat $export_symbols | sed -e "s/\(.*\)/\1;/" >> $lib.exp~$echo "local: *; };" >> $lib.exp~
  1567 		$LD -G${allow_undefined_flag} -M $lib.exp -h $soname -o $lib $libobjs $deplibs $linkopts~$rm $lib.exp'
  1568     hardcode_libdir_flag_spec=
  1569     hardcode_shlibpath_var=no
  1570     runpath_var='LD_RUN_PATH'
  1571     ;;
  1572 
  1573   uts4*)
  1574     archive_cmds='$LD -G -h $soname -o $lib $libobjs $deplibs $linkopts'
  1575     hardcode_libdir_flag_spec='-L$libdir'
  1576     hardcode_shlibpath_var=no
  1577     ;;
  1578 
  1579   dgux*)
  1580     archive_cmds='$LD -G -h $soname -o $lib $libobjs $deplibs $linkopts'
  1581     hardcode_libdir_flag_spec='-L$libdir'
  1582     hardcode_shlibpath_var=no
  1583     ;;
  1584 
  1585   sysv4*MP*)
  1586     if test -d /usr/nec; then
  1587       archive_cmds='$LD -G -h $soname -o $lib $libobjs $deplibs $linkopts'
  1588       hardcode_shlibpath_var=no
  1589       runpath_var=LD_RUN_PATH
  1590       hardcode_runpath_var=yes
  1591       ld_shlibs=yes
  1592     fi
  1593     ;;
  1594 
  1595   sysv4.2uw2*)
  1596     archive_cmds='$LD -G -o $lib $libobjs $deplibs $linkopts'
  1597     hardcode_direct=yes
  1598     hardcode_minus_L=no
  1599     hardcode_shlibpath_var=no
  1600     hardcode_runpath_var=yes
  1601     runpath_var=LD_RUN_PATH
  1602     ;;
  1603 
  1604   unixware7*)
  1605     archive_cmds='$LD -G -h $soname -o $lib $libobjs $deplibs $linkopts'
  1606     runpath_var='LD_RUN_PATH'
  1607     hardcode_shlibpath_var=no
  1608     ;;
  1609 
  1610   *)
  1611     ld_shlibs=no
  1612     ;;
  1613   esac
  1614 fi
  1615 echo "$ac_t$ld_shlibs" 1>&6
  1616 test "$ld_shlibs" = no && can_build_shared=no
  1617 
  1618 if test -z "$NM"; then
  1619   echo $ac_n "checking for BSD-compatible nm... $ac_c" 1>&6
  1620   case "$NM" in
  1621   [\\/]* | [A-Za-z]:[\\/]*) ;; # Let the user override the test with a path.
  1622   *)
  1623     IFS="${IFS= 	}"; ac_save_ifs="$IFS"; IFS="${IFS}${PATH_SEPARATOR}"
  1624     for ac_dir in $PATH /usr/ucb /usr/ccs/bin /bin; do
  1625       test -z "$ac_dir" && ac_dir=.
  1626       if test -f $ac_dir/nm || test -f $ac_dir/nm$ac_exeext; then
  1627 	# Check to see if the nm accepts a BSD-compat flag.
  1628 	# Adding the `sed 1q' prevents false positives on HP-UX, which says:
  1629 	#   nm: unknown option "B" ignored
  1630 	if ($ac_dir/nm -B /dev/null 2>&1 | sed '1q'; exit 0) | egrep /dev/null >/dev/null; then
  1631 	  NM="$ac_dir/nm -B"
  1632 	  break
  1633 	elif ($ac_dir/nm -p /dev/null 2>&1 | sed '1q'; exit 0) | egrep /dev/null >/dev/null; then
  1634 	  NM="$ac_dir/nm -p"
  1635 	  break
  1636 	else
  1637 	  NM=${NM="$ac_dir/nm"} # keep the first match, but
  1638 	  continue # so that we can try to find one that supports BSD flags
  1639 	fi
  1640       fi
  1641     done
  1642     IFS="$ac_save_ifs"
  1643     test -z "$NM" && NM=nm
  1644     ;;
  1645   esac
  1646   echo "$ac_t$NM" 1>&6
  1647 fi
  1648 
  1649 # Check for command to grab the raw symbol name followed by C symbol from nm.
  1650 echo $ac_n "checking command to parse $NM output... $ac_c" 1>&6
  1651 
  1652 # These are sane defaults that work on at least a few old systems.
  1653 # [They come from Ultrix.  What could be older than Ultrix?!! ;)]
  1654 
  1655 # Character class describing NM global symbol codes.
  1656 symcode='[BCDEGRST]'
  1657 
  1658 # Regexp to match symbols that can be accessed directly from C.
  1659 sympat='\([_A-Za-z][_A-Za-z0-9]*\)'
  1660 
  1661 # Transform the above into a raw symbol and a C symbol.
  1662 symxfrm='\1 \2\3 \3'
  1663 
  1664 # Transform an extracted symbol line into a proper C declaration
  1665 global_symbol_to_cdecl="sed -n -e 's/^. .* \(.*\)$/extern char \1;/p'"
  1666 
  1667 # Define system-specific variables.
  1668 case "$host_os" in
  1669 aix*)
  1670   symcode='[BCDT]'
  1671   ;;
  1672 cygwin* | mingw*)
  1673   symcode='[ABCDGISTW]'
  1674   ;;
  1675 hpux*) # Its linker distinguishes data from code symbols
  1676   global_symbol_to_cdecl="sed -n -e 's/^T .* \(.*\)$/extern char \1();/p' -e 's/^. .* \(.*\)$/extern char \1;/p'"
  1677   ;;
  1678 irix*)
  1679   symcode='[BCDEGRST]'
  1680   ;;
  1681 solaris*)
  1682   symcode='[BDT]'
  1683   ;;
  1684 sysv4)
  1685   symcode='[DFNSTU]'
  1686   ;;
  1687 esac
  1688 
  1689 # If we're using GNU nm, then use its standard symbol codes.
  1690 if $NM -V 2>&1 | egrep '(GNU|with BFD)' > /dev/null; then
  1691   symcode='[ABCDGISTW]'
  1692 fi
  1693 
  1694 # Try without a prefix undercore, then with it.
  1695 for ac_symprfx in "" "_"; do
  1696 
  1697   # Write the raw and C identifiers.
  1698   global_symbol_pipe="sed -n -e 's/^.*[ 	]\($symcode\)[ 	][ 	]*\($ac_symprfx\)$sympat$/$symxfrm/p'"
  1699 
  1700   # Check to see that the pipe works correctly.
  1701   pipe_works=no
  1702   $rm conftest*
  1703   cat > conftest.c <<EOF
  1704 #ifdef __cplusplus
  1705 extern "C" {
  1706 #endif
  1707 char nm_test_var;
  1708 void nm_test_func(){}
  1709 #ifdef __cplusplus
  1710 }
  1711 #endif
  1712 main(){nm_test_var='a';nm_test_func();return(0);}
  1713 EOF
  1714 
  1715   echo "$progname:1653: checking if global_symbol_pipe works" >&5
  1716   if { (eval echo $progname:1654: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; } && test -s conftest.$objext; then
  1717     # Now try to grab the symbols.
  1718     nlist=conftest.nm
  1719     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
  1720 
  1721       # Try sorting and uniquifying the output.
  1722       if sort "$nlist" | uniq > "$nlist"T; then
  1723 	mv -f "$nlist"T "$nlist"
  1724       else
  1725 	rm -f "$nlist"T
  1726       fi
  1727 
  1728       # Make sure that we snagged all the symbols we need.
  1729       if egrep ' nm_test_var$' "$nlist" >/dev/null; then
  1730 	if egrep ' nm_test_func$' "$nlist" >/dev/null; then
  1731 	  cat <<EOF > conftest.c
  1732 #ifdef __cplusplus
  1733 extern "C" {
  1734 #endif
  1735 
  1736 EOF
  1737 	  # Now generate the symbol file.
  1738 	  eval "$global_symbol_to_cdecl"' < "$nlist" >> conftest.c'
  1739 
  1740 	  cat <<EOF >> conftest.c
  1741 #if defined (__STDC__) && __STDC__
  1742 # define lt_ptr_t void *
  1743 #else
  1744 # define lt_ptr_t char *
  1745 # define const
  1746 #endif
  1747 
  1748 /* The mapping between symbol names and symbols. */
  1749 const struct {
  1750   const char *name;
  1751   lt_ptr_t address;
  1752 }
  1753 lt_preloaded_symbols[] =
  1754 {
  1755 EOF
  1756 	  sed 's/^. \(.*\) \(.*\)$/  {"\2", (lt_ptr_t) \&\2},/' < "$nlist" >> conftest.c
  1757 	  cat <<\EOF >> conftest.c
  1758   {0, (lt_ptr_t) 0}
  1759 };
  1760 
  1761 #ifdef __cplusplus
  1762 }
  1763 #endif
  1764 EOF
  1765 	  # Now try linking the two files.
  1766 	  mv conftest.$objext conftstm.$objext
  1767 	  save_LIBS="$LIBS"
  1768 	  save_CFLAGS="$CFLAGS"
  1769 	  LIBS="conftstm.$objext"
  1770 	  CFLAGS="$CFLAGS$no_builtin_flag"
  1771 	  if { (eval echo $progname:1709: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
  1772 	    pipe_works=yes
  1773 	  else
  1774 	    echo "$progname: failed program was:" >&5
  1775 	    cat conftest.c >&5
  1776 	  fi
  1777 	  LIBS="$save_LIBS"
  1778 	else
  1779 	  echo "cannot find nm_test_func in $nlist" >&5
  1780 	fi
  1781       else
  1782 	echo "cannot find nm_test_var in $nlist" >&5
  1783       fi
  1784     else
  1785       echo "cannot run $global_symbol_pipe" >&5
  1786     fi
  1787   else
  1788     echo "$progname: failed program was:" >&5
  1789     cat conftest.c >&5
  1790   fi
  1791   $rm conftest* conftst*
  1792 
  1793   # Do not use the global_symbol_pipe unless it works.
  1794   if test "$pipe_works" = yes; then
  1795     break
  1796   else
  1797     global_symbol_pipe=
  1798   fi
  1799 done
  1800 if test "$pipe_works" = yes; then
  1801   echo "${ac_t}ok" 1>&6
  1802 else
  1803   echo "${ac_t}failed" 1>&6
  1804 fi
  1805 
  1806 if test -z "$global_symbol_pipe"; then
  1807   global_symbol_to_cdecl=
  1808 fi
  1809 
  1810 # Check hardcoding attributes.
  1811 echo $ac_n "checking how to hardcode library paths into programs... $ac_c" 1>&6
  1812 hardcode_action=
  1813 if test -n "$hardcode_libdir_flag_spec" || \
  1814    test -n "$runpath_var"; then
  1815 
  1816   # We can hardcode non-existant directories.
  1817   if test "$hardcode_direct" != no &&
  1818      # If the only mechanism to avoid hardcoding is shlibpath_var, we
  1819      # have to relink, otherwise we might link with an installed library
  1820      # when we should be linking with a yet-to-be-installed one
  1821      ## test "$hardcode_shlibpath_var" != no &&
  1822      test "$hardcode_minus_L" != no; then
  1823     # Linking always hardcodes the temporary library directory.
  1824     hardcode_action=relink
  1825   else
  1826     # We can link without hardcoding, and we can hardcode nonexisting dirs.
  1827     hardcode_action=immediate
  1828   fi
  1829 else
  1830   # We cannot hardcode anything, or else we can only hardcode existing
  1831   # directories.
  1832   hardcode_action=unsupported
  1833 fi
  1834 echo "$ac_t$hardcode_action" 1>&6
  1835 
  1836 
  1837 reload_flag=
  1838 reload_cmds='$LD$reload_flag -o $output$reload_objs'
  1839 echo $ac_n "checking for $LD option to reload object files... $ac_c" 1>&6
  1840 # PORTME Some linkers may need a different reload flag.
  1841 reload_flag='-r'
  1842 echo "$ac_t$reload_flag" 1>&6
  1843 test -n "$reload_flag" && reload_flag=" $reload_flag"
  1844 
  1845 # PORTME Fill in your ld.so characteristics
  1846 library_names_spec=
  1847 libname_spec='lib$name'
  1848 soname_spec=
  1849 postinstall_cmds=
  1850 postuninstall_cmds=
  1851 finish_cmds=
  1852 finish_eval=
  1853 shlibpath_var=
  1854 shlibpath_overrides_runpath=unknown
  1855 version_type=none
  1856 dynamic_linker="$host_os ld.so"
  1857 sys_lib_dlsearch_path_spec="/lib /usr/lib"
  1858 sys_lib_search_path_spec="/lib /usr/lib /usr/local/lib"
  1859 file_magic_cmd=
  1860 file_magic_test_file=
  1861 deplibs_check_method='unknown'
  1862 # Need to set the preceding variable on all platforms that support
  1863 # interlibrary dependencies.
  1864 # 'none' -- dependencies not supported.
  1865 # `unknown' -- same as none, but documents that we really don't know.
  1866 # 'pass_all' -- all dependencies passed with no checks.
  1867 # 'test_compile' -- check by making test program.
  1868 # 'file_magic [regex]' -- check by looking for files in library path
  1869 # which responds to the $file_magic_cmd with a given egrep regex.
  1870 # If you have `file' or equivalent on your system and you're not sure
  1871 # whether `pass_all' will *always* work, you probably want this one.
  1872 echo $ac_n "checking dynamic linker characteristics... $ac_c" 1>&6
  1873 case "$host_os" in
  1874 aix3*)
  1875   version_type=linux
  1876   library_names_spec='${libname}${release}.so$versuffix $libname.a'
  1877   shlibpath_var=LIBPATH
  1878 
  1879   # AIX has no versioning support, so we append a major version to the name.
  1880   soname_spec='${libname}${release}.so$major'
  1881   ;;
  1882 
  1883 aix4*)
  1884   version_type=linux
  1885   # AIX has no versioning support, so currently we can not hardcode correct
  1886   # soname into executable. Probably we can add versioning support to
  1887   # collect2, so additional links can be useful in future.
  1888   # We preserve .a as extension for shared libraries though AIX4.2
  1889   # and later linker supports .so
  1890   library_names_spec='${libname}${release}.so$versuffix ${libname}${release}.so$major $libname.a'
  1891   shlibpath_var=LIBPATH
  1892   deplibs_check_method=pass_all
  1893   ;;
  1894 
  1895 amigaos*)
  1896   library_names_spec='$libname.ixlibrary $libname.a'
  1897   # Create ${libname}_ixlibrary.a entries in /sys/libs.
  1898   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 ${libname}_ixlibrary.a) || exit 1; done'
  1899   ;;
  1900 
  1901 beos*)
  1902   library_names_spec='${libname}.so'
  1903   dynamic_linker="$host_os ld.so"
  1904   shlibpath_var=LIBRARY_PATH
  1905   deplibs_check_method=pass_all
  1906   lt_cv_dlopen="load_add_on"
  1907   lt_cv_dlopen_libs=
  1908   lt_cv_dlopen_self=yes
  1909   ;;
  1910 
  1911 bsdi4*)
  1912   version_type=linux
  1913   need_version=no
  1914   library_names_spec='${libname}${release}.so$versuffix ${libname}${release}.so$major $libname.so'
  1915   soname_spec='${libname}${release}.so$major'
  1916   finish_cmds='PATH="\$PATH:/sbin" ldconfig $libdir'
  1917   shlibpath_var=LD_LIBRARY_PATH
  1918   deplibs_check_method='file_magic ELF [0-9][0-9]*-bit [ML]SB (shared object|dynamic lib)'
  1919   file_magic_cmd=/usr/bin/file
  1920   file_magic_test_file=/shlib/libc.so
  1921   sys_lib_search_path_spec="/shlib /usr/lib /usr/X11/lib /usr/contrib/lib /lib /usr/local/lib"
  1922   sys_lib_dlsearch_path_spec="/shlib /usr/lib /usr/local/lib"
  1923   export_dynamic_flag_spec=-rdynamic
  1924   # the default ld.so.conf also contains /usr/contrib/lib and
  1925   # /usr/X11R6/lib (/usr/X11 is a link to /usr/X11R6), but let us allow
  1926   # libtool to hard-code these into programs
  1927   ;;
  1928 
  1929 cygwin* | mingw*)
  1930   version_type=windows
  1931   need_version=no
  1932   need_lib_prefix=no
  1933   if test "$with_gcc" = yes; then
  1934     library_names_spec='`echo ${libname} | sed -e 's/^lib//g'`.dll $libname.a'
  1935   else
  1936     library_names_spec='${libname}`echo ${release} | sed -e 's/[.]/-/g'`${versuffix}.dll $libname.lib'
  1937   fi
  1938   dynamic_linker='Win32 ld.exe'
  1939   deplibs_check_method='file_magic file format pe-i386(.*architecture: i386)?'
  1940   file_magic_cmd='${OBJDUMP} -f'
  1941   # FIXME: first we should search . and the directory the executable is in
  1942   shlibpath_var=PATH
  1943   if test "$with_gcc" = yes; then
  1944     # See where the system libraries really are - /usr/lib won't cut it
  1945     libuser32=`$CC --print-file-name=libuser32.a`
  1946     win32libs=`expr $libuser32 : '\(.*\)/.*'`
  1947     sys_lib_search_path_spec="$sys_lib_search_path_spec /usr/lib/w32api $win32libs"
  1948   fi
  1949   lt_cv_dlopen="LoadLibrary"
  1950   lt_cv_dlopen_libs=
  1951   ;;
  1952 
  1953 freebsd1*)
  1954   dynamic_linker=no
  1955   ;;
  1956   
  1957 freebsd*)
  1958   objformat=`test -x /usr/bin/objformat && /usr/bin/objformat || echo aout`
  1959   version_type=freebsd-$objformat
  1960   case "$version_type" in
  1961     freebsd-elf*)
  1962       deplibs_check_method='pass_all'
  1963     
  1964       file_magic_cmd=/usr/bin/file
  1965       file_magic_test_file=`echo /usr/lib/libc.so*`
  1966       library_names_spec='${libname}${release}.so$versuffix ${libname}${release}.so $libname.so'
  1967       need_version=no
  1968       need_lib_prefix=no
  1969       ;;
  1970     freebsd-*)
  1971       deplibs_check_method=unknown
  1972       library_names_spec='${libname}${release}.so$versuffix $libname.so$versuffix'
  1973       need_version=yes
  1974       ;;
  1975   esac
  1976   shlibpath_var=LD_LIBRARY_PATH
  1977   case "$host_os" in
  1978   freebsd2* | freebsd3.[01]* | freebsdelf3.[01]*)
  1979     shlibpath_overrides_runpath=yes
  1980     ;;
  1981   *) # from 3.2 on
  1982     shlibpath_overrides_runpath=no
  1983     ;;
  1984   esac
  1985   ;;
  1986 
  1987 gnu*)
  1988   version_type=linux
  1989   need_lib_prefix=no
  1990   need_version=no
  1991   library_names_spec='${libname}${release}.so$versuffix ${libname}${release}.so${major} ${libname}.so'
  1992   soname_spec='${libname}${release}.so$major'
  1993   shlibpath_var=LD_LIBRARY_PATH
  1994   ;;
  1995 
  1996 hpux9* | hpux10* | hpux11*)
  1997   # Give a soname corresponding to the major version so that dld.sl refuses to
  1998   # link against other versions.
  1999   dynamic_linker="$host_os dld.sl"
  2000   version_type=sunos
  2001   need_lib_prefix=no
  2002   need_version=no
  2003   shlibpath_var=SHLIB_PATH
  2004   shlibpath_overrides_runpath=no # +s is required to enable SHLIB_PATH
  2005   library_names_spec='${libname}${release}.sl$versuffix ${libname}${release}.sl$major $libname.sl'
  2006   soname_spec='${libname}${release}.sl$major'
  2007   # HP-UX runs *really* slowly unless shared libraries are mode 555.
  2008   postinstall_cmds='chmod 555 $lib'
  2009   case "$host_os" in
  2010   hpux10.20*)
  2011     # TODO:  Does this work for hpux-11 too?
  2012   #  deplibs_check_method='file_magic (s[0-9][0-9][0-9]|PA-RISC[0-9].[0-9]) shared library'
  2013     deplibs_check_method="unknown"
  2014     file_magic_cmd=/usr/bin/file
  2015     file_magic_test_file=/usr/lib/libc.sl
  2016     ;;
  2017   esac
  2018   ;;
  2019 
  2020 irix5* | irix6*)
  2021   version_type=irix
  2022   need_lib_prefix=no
  2023   need_version=no
  2024   soname_spec='${libname}${release}.so.$major'
  2025   library_names_spec='${libname}${release}.so.$versuffix ${libname}${release}.so.$major ${libname}${release}.so $libname.so'
  2026   case "$host_os" in
  2027   irix5*)
  2028     libsuff= shlibsuff=
  2029     # this will be overridden with pass_all, but let us keep it just in case
  2030     deplibs_check_method="file_magic ELF 32-bit MSB dynamic lib MIPS - version 1"
  2031     ;;
  2032   *)
  2033     case "$LD" in # libtool.m4 will add one of these switches to LD
  2034     *-32|*"-32 ") libsuff= shlibsuff= libmagic=32-bit;;
  2035     *-n32|*"-n32 ") libsuff=32 shlibsuff=N32 libmagic=N32;;
  2036     *-64|*"-64 ") libsuff=64 shlibsuff=64 libmagic=64-bit;;
  2037     *) libsuff= shlibsuff= libmagic=never-match;;
  2038     esac
  2039     ;;
  2040   esac
  2041   shlibpath_var=LD_LIBRARY${shlibsuff}_PATH
  2042   shlibpath_overrides_runpath=no
  2043   sys_lib_search_path_spec="/usr/lib${libsuff} /lib${libsuff} /usr/local/lib${libsuff}"
  2044   sys_lib_dlsearch_path_spec="/usr/lib${libsuff} /lib${libsuff}"
  2045   file_magic_cmd=/usr/bin/file
  2046   file_magic_test_file=`echo /lib${libsuff}/libc.so*`
  2047   deplibs_check_method='pass_all'
  2048   ;;
  2049 
  2050 # No shared lib support for Linux oldld, aout, or coff.
  2051 linux-gnuoldld* | linux-gnuaout* | linux-gnucoff*)
  2052   dynamic_linker=no
  2053   ;;
  2054 
  2055 # This must be Linux ELF.
  2056 linux-gnu*)
  2057   version_type=linux
  2058   need_lib_prefix=no
  2059   need_version=no
  2060   library_names_spec='${libname}${release}.so$versuffix ${libname}${release}.so$major $libname.so'
  2061   soname_spec='${libname}${release}.so$major'
  2062   finish_cmds='PATH="\$PATH:/sbin" ldconfig -n $libdir'
  2063   shlibpath_var=LD_LIBRARY_PATH
  2064   shlibpath_overrides_runpath=no
  2065   deplibs_check_method=pass_all
  2066 
  2067   if test -f /lib/ld.so.1; then
  2068     dynamic_linker='GNU ld.so'
  2069   else
  2070     # Only the GNU ld.so supports shared libraries on MkLinux.
  2071     case "$host_cpu" in
  2072     powerpc*) dynamic_linker=no ;;
  2073     *) dynamic_linker='Linux ld.so' ;;
  2074     esac
  2075   fi
  2076   ;;
  2077 
  2078 netbsd*)
  2079   version_type=sunos
  2080   if echo __ELF__ | $CC -E - | grep __ELF__ >/dev/null; then
  2081     library_names_spec='${libname}${release}.so$versuffix ${libname}.so$versuffix'
  2082     finish_cmds='PATH="\$PATH:/sbin" ldconfig -m $libdir'
  2083     dynamic_linker='NetBSD (a.out) ld.so'
  2084   else
  2085     library_names_spec='${libname}${release}.so$versuffix ${libname}${release}.so$major ${libname}${release}.so ${libname}.so'
  2086     soname_spec='${libname}${release}.so$major'
  2087     dynamic_linker='NetBSD ld.elf_so'
  2088   fi
  2089   shlibpath_var=LD_LIBRARY_PATH
  2090   deplibs_check_method='pass_all'
  2091   ;;
  2092 
  2093 openbsd*)
  2094   version_type=sunos
  2095   need_lib_prefix=no
  2096   need_version=no
  2097   sys_lib_search_path_spec="/usr/lib"
  2098   sys_lib_dlsearch_path_spec="/usr/lib /usr/local/lib"
  2099   file_magic_cmd=/usr/bin/file
  2100   file_magic_test_file=`echo /usr/lib/libc.so.*`
  2101   if test "`echo __ELF__ | $CC -E - | grep __ELF__`" = "" -o "$host_os-$host_cpu" = "openbsd2.8-powerpc"; then
  2102     deplibs_check_method='file_magic ELF [0-9][0-9]*-bit [LM]SB shared object'
  2103     case "$host_os" in
  2104     openbsd2.[89] | openbsd2.[89].*)
  2105       shlibpath_overrides_runpath=no
  2106     ;;
  2107     *)
  2108       shlibpath_overrides_runpath=yes
  2109     ;;
  2110     esac
  2111   else
  2112     deplibs_check_method='file_magic OpenBSD.* shared library'
  2113     shlibpath_overrides_runpath=yes
  2114   fi
  2115   library_names_spec='${libname}${release}.so$versuffix ${libname}.so$versuffix'
  2116   finish_cmds='PATH="\$PATH:/sbin" ldconfig -m $libdir'
  2117   shlibpath_var=LD_LIBRARY_PATH
  2118   deplibs_check_method='pass_all'
  2119   ;;
  2120 
  2121 os2*)
  2122   libname_spec='$name'
  2123   need_lib_prefix=no
  2124   library_names_spec='$libname.dll $libname.a'
  2125   dynamic_linker='OS/2 ld.exe'
  2126   shlibpath_var=LIBPATH
  2127   ;;
  2128 
  2129 osf3* | osf4* | osf5*)
  2130   version_type=osf
  2131   need_version=no
  2132   soname_spec='${libname}${release}.so'
  2133   library_names_spec='${libname}${release}.so$versuffix ${libname}${release}.so $libname.so'
  2134   shlibpath_var=LD_LIBRARY_PATH
  2135   # this will be overridden with pass_all, but let us keep it just in case
  2136   deplibs_check_method='file_magic COFF format alpha shared library'
  2137   file_magic_cmd=/usr/bin/file
  2138   file_magic_test_file=/shlib/libc.so
  2139   deplibs_check_method='pass_all'
  2140   sys_lib_search_path_spec="/usr/shlib /usr/ccs/lib /usr/lib/cmplrs/cc /usr/lib /usr/local/lib /var/shlib"
  2141   sys_lib_dlsearch_path_spec="$sys_lib_search_path_spec"
  2142   ;;
  2143 
  2144 rhapsody*)
  2145   version_type=sunos
  2146   library_names_spec='${libname}.so'
  2147   soname_spec='${libname}.so'
  2148   shlibpath_var=DYLD_LIBRARY_PATH
  2149   deplibs_check_method=pass_all
  2150   ;;
  2151 
  2152 sco3.2v5*)
  2153   version_type=osf
  2154   soname_spec='${libname}${release}.so$major'
  2155   library_names_spec='${libname}${release}.so$versuffix ${libname}${release}.so$major $libname.so'
  2156   shlibpath_var=LD_LIBRARY_PATH
  2157   ;;
  2158 
  2159 solaris*)
  2160   version_type=linux
  2161   need_lib_prefix=no
  2162   need_version=no
  2163   library_names_spec='${libname}${release}.so$versuffix ${libname}${release}.so$major $libname.so'
  2164   soname_spec='${libname}${release}.so$major'
  2165   shlibpath_var=LD_LIBRARY_PATH
  2166   shlibpath_overrides_runpath=yes
  2167   # ldd complains unless libraries are executable
  2168   postinstall_cmds='chmod +x $lib'
  2169   deplibs_check_method="file_magic ELF [0-9][0-9]-bit [LM]SB dynamic lib"
  2170   file_magic_cmd=/usr/bin/file
  2171   file_magic_test_file=/lib/libc.so
  2172   ;;
  2173 
  2174 sunos4*)
  2175   version_type=sunos
  2176   library_names_spec='${libname}${release}.so$versuffix ${libname}.so$versuffix'
  2177   finish_cmds='PATH="\$PATH:/usr/etc" ldconfig $libdir'
  2178   shlibpath_var=LD_LIBRARY_PATH
  2179   shlibpath_overrides_runpath=yes
  2180   if test "$with_gnu_ld" = yes; then
  2181     need_lib_prefix=no
  2182   fi
  2183   need_version=yes
  2184   ;;
  2185 
  2186 sysv4 | sysv4.2uw2* | sysv4.3* | sysv5*)
  2187   version_type=linux
  2188   library_names_spec='${libname}${release}.so$versuffix ${libname}${release}.so$major $libname.so'
  2189   soname_spec='${libname}${release}.so$major'
  2190   shlibpath_var=LD_LIBRARY_PATH
  2191   case "$host_vendor" in
  2192     sequent)
  2193       file_magic_cmd='/bin/file'
  2194       deplibs_check_method='file_magic ELF [0-9][0-9]*-bit [LM]SB (shared object|dynamic lib )'
  2195       ;;
  2196     ncr)
  2197       deplibs_check_method='pass_all'
  2198       ;;
  2199     motorola)
  2200       need_lib_prefix=no
  2201       need_version=no
  2202       shlibpath_overrides_runpath=no
  2203       sys_lib_search_path_spec='/lib /usr/lib /usr/ccs/lib'
  2204       deplibs_check_method='file_magic ELF [0-9][0-9]*-bit [ML]SB (shared object|dynamic lib) M[0-9][0-9]* Version [0-9]'
  2205       file_magic_cmd=/usr/bin/file
  2206       file_magic_test_file=`echo /usr/lib/libc.so*`
  2207       ;;
  2208   esac
  2209   ;;
  2210 
  2211 uts4*)
  2212   version_type=linux
  2213   library_names_spec='${libname}${release}.so$versuffix ${libname}${release}.so$major $libname.so'
  2214   soname_spec='${libname}${release}.so$major'
  2215   shlibpath_var=LD_LIBRARY_PATH
  2216   ;;
  2217 
  2218 dgux*)
  2219   version_type=linux
  2220   need_lib_prefix=no
  2221   need_version=no
  2222   library_names_spec='${libname}${release}.so$versuffix ${libname}${release}.so$major $libname.so'
  2223   soname_spec='${libname}${release}.so$major'
  2224   shlibpath_var=LD_LIBRARY_PATH
  2225   ;;
  2226 
  2227 sysv4*MP*)
  2228   if test -d /usr/nec ;then
  2229     version_type=linux
  2230     library_names_spec='$libname.so.$versuffix $libname.so.$major $libname.so'
  2231     soname_spec='$libname.so.$major'
  2232     shlibpath_var=LD_LIBRARY_PATH
  2233   fi
  2234   ;;
  2235 
  2236 *)
  2237   dynamic_linker=no
  2238   ;;
  2239 
  2240 nto-qnx)
  2241   version_type=linux
  2242   need_lib_prefix=no
  2243   need_version=no
  2244   library_names_spec='${libname}${release}.so$versuffix ${libname}${release}.so$major $libname.so'
  2245   soname_spec='${libname}${release}.so$major'
  2246   shlibpath_var=LD_LIBRARY_PATH
  2247   shlibpath_overrides_runpath=yes
  2248   deplibs_check_method='pass_all'
  2249   ;;
  2250 esac
  2251 echo "$ac_t$dynamic_linker" 1>&6
  2252 test "$dynamic_linker" = no && can_build_shared=no
  2253 
  2254 # Report the final consequences.
  2255 echo "checking if libtool supports shared libraries... $can_build_shared" 1>&6
  2256 
  2257 # Only try to build win32 dlls if AC_LIBTOOL_WIN32_DLL was used in
  2258 # configure.in, otherwise build static only libraries.
  2259 case "$host_os" in
  2260 cygwin* | mingw* | os2*)
  2261   if test x$can_build_shared = xyes; then
  2262     test x$enable_win32_dll = xno && can_build_shared=no
  2263     echo "checking if package supports dlls... $can_build_shared" 1>&6
  2264   fi
  2265 ;;
  2266 esac
  2267 
  2268 if test -n "$file_magic_test_file" && test -n "$file_magic_cmd"; then
  2269   case "$deplibs_check_method" in
  2270   "file_magic "*)
  2271     file_magic_regex="`expr \"$deplibs_check_method\" : \"file_magic \(.*\)\"`"
  2272     if eval $file_magic_cmd \$file_magic_test_file 2> /dev/null |
  2273        egrep "$file_magic_regex" > /dev/null; then
  2274       :
  2275     else
  2276       cat <<EOF 1>&2
  2277 
  2278 *** Warning: the command libtool uses to detect shared libraries,
  2279 *** $file_magic_cmd, produces output that libtool cannot recognize.
  2280 *** The result is that libtool may fail to recognize shared libraries
  2281 *** as such.  This will affect the creation of libtool libraries that
  2282 *** depend on shared libraries, but programs linked with such libtool
  2283 *** libraries will work regardless of this problem.  Nevertheless, you
  2284 *** may want to report the problem to your system manager and/or to
  2285 *** bug-libtool@gnu.org
  2286 
  2287 EOF
  2288     fi ;;
  2289   esac
  2290 fi
  2291 
  2292 echo $ac_n "checking whether to build shared libraries... $ac_c" 1>&6
  2293 test "$can_build_shared" = "no" && enable_shared=no
  2294 
  2295 # On AIX, shared libraries and static libraries use the same namespace, and
  2296 # are all built from PIC.
  2297 case "$host_os" in
  2298 aix3*)
  2299   test "$enable_shared" = yes && enable_static=no
  2300   if test -n "$RANLIB"; then
  2301     archive_cmds="$archive_cmds~\$RANLIB \$lib"
  2302     postinstall_cmds='$RANLIB $lib'
  2303   fi
  2304   ;;
  2305 
  2306 aix4*)
  2307   test "$enable_shared" = yes && enable_static=no
  2308   ;;
  2309 esac
  2310 
  2311 echo "$ac_t$enable_shared" 1>&6
  2312 
  2313 # Make sure either enable_shared or enable_static is yes.
  2314 test "$enable_shared" = yes || enable_static=yes
  2315 
  2316 echo "checking whether to build static libraries... $enable_static" 1>&6
  2317 
  2318 if test "$hardcode_action" = relink; then
  2319   # Fast installation is not supported
  2320   enable_fast_install=no
  2321 elif test "$shlibpath_overrides_runpath" = yes ||
  2322      test "$enable_shared" = no; then
  2323   # Fast installation is not necessary
  2324   enable_fast_install=needless
  2325 fi
  2326 
  2327 echo $ac_n "checking for objdir... $ac_c" 1>&6
  2328 rm -f .libs 2>/dev/null
  2329 mkdir .libs 2>/dev/null
  2330 if test -d .libs; then
  2331   objdir=.libs
  2332 else
  2333   # MS-DOS does not allow filenames that begin with a dot.
  2334   objdir=_libs
  2335 fi
  2336 rmdir .libs 2>/dev/null
  2337 echo "$ac_t$objdir" 1>&6
  2338 
  2339 if test "x$enable_dlopen" != xyes; then
  2340   enable_dlopen=unknown
  2341   enable_dlopen_self=unknown
  2342   enable_dlopen_self_static=unknown
  2343 else
  2344 if eval "test \"`echo '$''{'lt_cv_dlopen'+set}'`\" != set"; then
  2345   lt_cv_dlopen=no lt_cv_dlopen_libs=
  2346 echo $ac_n "checking for dlopen in -ldl""... $ac_c" 1>&6
  2347 echo "$progname:2248: checking for dlopen in -ldl" >&5
  2348 ac_lib_var=`echo dl'_'dlopen | sed 'y%./+-%__p_%'`
  2349 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
  2350   echo $ac_n "(cached) $ac_c" 1>&6
  2351 else
  2352   ac_save_LIBS="$LIBS"
  2353 LIBS="-ldl  $LIBS"
  2354 cat > conftest.$ac_ext <<EOF
  2355 #line 2256 "ltconfig"
  2356 /* Override any gcc2 internal prototype to avoid an error.  */
  2357 /* We use char because int might match the return type of a gcc2
  2358     builtin and then its argument prototype would still apply.  */
  2359 #ifdef __cplusplus
  2360 extern "C"
  2361 #endif
  2362 char dlopen();
  2363 
  2364 int main() {
  2365 dlopen()
  2366 ; return 0; }
  2367 EOF
  2368 if { (eval echo $progname:2269: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
  2369   rm -rf conftest*
  2370   eval "ac_cv_lib_$ac_lib_var=yes"
  2371 else
  2372   echo "$progname: failed program was:" >&5
  2373   cat conftest.$ac_ext >&5
  2374   rm -rf conftest*
  2375   eval "ac_cv_lib_$ac_lib_var=no"
  2376 fi
  2377 rm -f conftest*
  2378 LIBS="$ac_save_LIBS"
  2379 
  2380 fi
  2381 if eval "test \"`echo '$ac_cv_lib_'$ac_lib_var`\" = yes"; then
  2382   echo "$ac_t""yes" 1>&6
  2383   lt_cv_dlopen="dlopen" lt_cv_dlopen_libs="-ldl"
  2384 else
  2385   echo "$ac_t""no" 1>&6
  2386 echo $ac_n "checking for dlopen""... $ac_c" 1>&6
  2387 echo "$progname:2288: checking for dlopen" >&5
  2388 if eval "test \"`echo '$''{'ac_cv_func_dlopen'+set}'`\" = set"; then
  2389   echo $ac_n "(cached) $ac_c" 1>&6
  2390 else
  2391   cat > conftest.$ac_ext <<EOF
  2392 #line 2293 "ltconfig"
  2393 /* System header to define __stub macros and hopefully few prototypes,
  2394     which can conflict with char dlopen(); below.  */
  2395 #include <assert.h>
  2396 /* Override any gcc2 internal prototype to avoid an error.  */
  2397 /* We use char because int might match the return type of a gcc2
  2398     builtin and then its argument prototype would still apply.  */
  2399 #ifdef __cplusplus
  2400 extern "C"
  2401 #endif
  2402 char dlopen();
  2403 
  2404 int main() {
  2405 
  2406 /* The GNU C library defines this for functions which it implements
  2407     to always fail with ENOSYS.  Some functions are actually named
  2408     something starting with __ and the normal name is an alias.  */
  2409 #if defined (__stub_dlopen) || defined (__stub___dlopen)
  2410 choke me
  2411 #else
  2412 dlopen();
  2413 #endif
  2414 
  2415 ; return 0; }
  2416 EOF
  2417 if { (eval echo $progname:2318: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
  2418   rm -rf conftest*
  2419   eval "ac_cv_func_dlopen=yes"
  2420 else
  2421   echo "$progname: failed program was:" >&5
  2422   cat conftest.$ac_ext >&5
  2423   rm -rf conftest*
  2424   eval "ac_cv_func_dlopen=no"
  2425 fi
  2426 rm -f conftest*
  2427 fi
  2428 if eval "test \"`echo '$ac_cv_func_'dlopen`\" = yes"; then
  2429   echo "$ac_t""yes" 1>&6
  2430   lt_cv_dlopen="dlopen"
  2431 else
  2432   echo "$ac_t""no" 1>&6
  2433 echo $ac_n "checking for dld_link in -ldld""... $ac_c" 1>&6
  2434 echo "$progname:2335: checking for dld_link in -ldld" >&5
  2435 ac_lib_var=`echo dld'_'dld_link | sed 'y%./+-%__p_%'`
  2436 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
  2437   echo $ac_n "(cached) $ac_c" 1>&6
  2438 else
  2439   ac_save_LIBS="$LIBS"
  2440 LIBS="-ldld  $LIBS"
  2441 cat > conftest.$ac_ext <<EOF
  2442 #line 2343 "ltconfig"
  2443 /* Override any gcc2 internal prototype to avoid an error.  */
  2444 /* We use char because int might match the return type of a gcc2
  2445     builtin and then its argument prototype would still apply.  */
  2446 #ifdef __cplusplus
  2447 extern "C"
  2448 #endif
  2449 char dld_link();
  2450 
  2451 int main() {
  2452 dld_link()
  2453 ; return 0; }
  2454 EOF
  2455 if { (eval echo $progname:2356: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
  2456   rm -rf conftest*
  2457   eval "ac_cv_lib_$ac_lib_var=yes"
  2458 else
  2459   echo "$progname: failed program was:" >&5
  2460   cat conftest.$ac_ext >&5
  2461   rm -rf conftest*
  2462   eval "ac_cv_lib_$ac_lib_var=no"
  2463 fi
  2464 rm -f conftest*
  2465 LIBS="$ac_save_LIBS"
  2466 
  2467 fi
  2468 if eval "test \"`echo '$ac_cv_lib_'$ac_lib_var`\" = yes"; then
  2469   echo "$ac_t""yes" 1>&6
  2470   lt_cv_dlopen="dld_link" lt_cv_dlopen_libs="-ldld"
  2471 else
  2472   echo "$ac_t""no" 1>&6
  2473 echo $ac_n "checking for shl_load""... $ac_c" 1>&6
  2474 echo "$progname:2375: checking for shl_load" >&5
  2475 if eval "test \"`echo '$''{'ac_cv_func_shl_load'+set}'`\" = set"; then
  2476   echo $ac_n "(cached) $ac_c" 1>&6
  2477 else
  2478   cat > conftest.$ac_ext <<EOF
  2479 #line 2380 "ltconfig"
  2480 /* System header to define __stub macros and hopefully few prototypes,
  2481     which can conflict with char shl_load(); below.  */
  2482 #include <assert.h>
  2483 /* Override any gcc2 internal prototype to avoid an error.  */
  2484 /* We use char because int might match the return type of a gcc2
  2485     builtin and then its argument prototype would still apply.  */
  2486 #ifdef __cplusplus
  2487 extern "C"
  2488 #endif
  2489 char shl_load();
  2490 
  2491 int main() {
  2492 
  2493 /* The GNU C library defines this for functions which it implements
  2494     to always fail with ENOSYS.  Some functions are actually named
  2495     something starting with __ and the normal name is an alias.  */
  2496 #if defined (__stub_shl_load) || defined (__stub___shl_load)
  2497 choke me
  2498 #else
  2499 shl_load();
  2500 #endif
  2501 
  2502 ; return 0; }
  2503 EOF
  2504 if { (eval echo $progname:2405: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
  2505   rm -rf conftest*
  2506   eval "ac_cv_func_shl_load=yes"
  2507 else
  2508   echo "$progname: failed program was:" >&5
  2509   cat conftest.$ac_ext >&5
  2510   rm -rf conftest*
  2511   eval "ac_cv_func_shl_load=no"
  2512 fi
  2513 rm -f conftest*
  2514 fi
  2515 
  2516 if eval "test \"`echo '$ac_cv_func_'shl_load`\" = yes"; then
  2517   echo "$ac_t""yes" 1>&6
  2518   lt_cv_dlopen="shl_load"
  2519 else
  2520   echo "$ac_t""no" 1>&6
  2521 echo $ac_n "checking for shl_load in -ldld""... $ac_c" 1>&6
  2522 echo "$progname:2423: checking for shl_load in -ldld" >&5
  2523 ac_lib_var=`echo dld'_'shl_load | sed 'y%./+-%__p_%'`
  2524 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
  2525   echo $ac_n "(cached) $ac_c" 1>&6
  2526 else
  2527   ac_save_LIBS="$LIBS"
  2528 LIBS="-ldld  $LIBS"
  2529 cat > conftest.$ac_ext <<EOF
  2530 #line 2431 "ltconfig"
  2531 #include "confdefs.h"
  2532 /* Override any gcc2 internal prototype to avoid an error.  */
  2533 /* We use char because int might match the return type of a gcc2
  2534     builtin and then its argument prototype would still apply.  */
  2535 #ifdef __cplusplus
  2536 extern "C"
  2537 #endif
  2538 char shl_load();
  2539 
  2540 int main() {
  2541 shl_load()
  2542 ; return 0; }
  2543 EOF
  2544 if { (eval echo $progname:2445: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
  2545   rm -rf conftest*
  2546   eval "ac_cv_lib_$ac_lib_var=yes"
  2547 else
  2548   echo "$progname: failed program was:" >&5
  2549   cat conftest.$ac_ext >&5
  2550   rm -rf conftest*
  2551   eval "ac_cv_lib_$ac_lib_var=no"
  2552 fi
  2553 rm -f conftest*
  2554 LIBS="$ac_save_LIBS"
  2555 
  2556 fi
  2557 if eval "test \"`echo '$ac_cv_lib_'$ac_lib_var`\" = yes"; then
  2558   echo "$ac_t""yes" 1>&6
  2559   lt_cv_dlopen="shl_load" lt_cv_dlopen_libs="-ldld"
  2560 else
  2561   echo "$ac_t""no" 1>&6
  2562 fi
  2563 
  2564 
  2565 fi
  2566 
  2567     
  2568 fi
  2569 
  2570   
  2571 fi
  2572 
  2573 
  2574 fi
  2575 
  2576 fi
  2577 
  2578   if test "x$lt_cv_dlopen" != xno; then
  2579     enable_dlopen=yes
  2580   fi
  2581 
  2582   case "$lt_cv_dlopen" in
  2583   dlopen)
  2584 for ac_hdr in dlfcn.h; do
  2585 ac_safe=`echo "$ac_hdr" | sed 'y%./+-%__p_%'`
  2586 echo $ac_n "checking for $ac_hdr""... $ac_c" 1>&6
  2587 echo "$progname:2488: checking for $ac_hdr" >&5
  2588 if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then
  2589   echo $ac_n "(cached) $ac_c" 1>&6
  2590 else
  2591   cat > conftest.$ac_ext <<EOF
  2592 #line 2493 "ltconfig"
  2593 #include <$ac_hdr>
  2594 int fnord = 0;
  2595 EOF
  2596 ac_try="$ac_compile >/dev/null 2>conftest.out"
  2597 { (eval echo $progname:2498: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
  2598 ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
  2599 if test -z "$ac_err"; then
  2600   rm -rf conftest*
  2601   eval "ac_cv_header_$ac_safe=yes"
  2602 else
  2603   echo "$ac_err" >&5
  2604   echo "$progname: failed program was:" >&5
  2605   cat conftest.$ac_ext >&5
  2606   rm -rf conftest*
  2607   eval "ac_cv_header_$ac_safe=no"
  2608 fi
  2609 rm -f conftest*
  2610 fi
  2611 if eval "test \"`echo '$ac_cv_header_'$ac_safe`\" = yes"; then
  2612   echo "$ac_t""yes" 1>&6
  2613 else
  2614   echo "$ac_t""no" 1>&6
  2615 fi
  2616 done
  2617 
  2618     if test "x$ac_cv_header_dlfcn_h" = xyes; then
  2619       CPPFLAGS="$CPPFLAGS -DHAVE_DLFCN_H"
  2620     fi
  2621     eval LDFLAGS=\"\$LDFLAGS $export_dynamic_flag_spec\"
  2622     LIBS="$lt_cv_dlopen_libs $LIBS"
  2623 
  2624   echo $ac_n "checking whether a program can dlopen itself""... $ac_c" 1>&6
  2625 echo "$progname:2526: checking whether a program can dlopen itself" >&5
  2626 if test "${lt_cv_dlopen_self+set}" = set; then
  2627   echo $ac_n "(cached) $ac_c" 1>&6
  2628 else
  2629   if test "$cross_compiling" = yes; then
  2630     lt_cv_dlopen_self=cross
  2631   else
  2632     cat > conftest.c <<EOF
  2633 #line 2534 "ltconfig"
  2634 
  2635 #if HAVE_DLFCN_H
  2636 #include <dlfcn.h>
  2637 #endif
  2638 
  2639 #include <stdio.h>
  2640 
  2641 #ifdef RTLD_GLOBAL
  2642 # define LTDL_GLOBAL	RTLD_GLOBAL
  2643 #else
  2644 # ifdef DL_GLOBAL
  2645 #  define LTDL_GLOBAL	DL_GLOBAL
  2646 # else
  2647 #  define LTDL_GLOBAL	0
  2648 # endif
  2649 #endif
  2650 
  2651 /* We may have to define LTDL_LAZY_OR_NOW in the command line if we
  2652    find out it does not work in some platform. */
  2653 #ifndef LTDL_LAZY_OR_NOW
  2654 # ifdef RTLD_LAZY
  2655 #  define LTDL_LAZY_OR_NOW	RTLD_LAZY
  2656 # else
  2657 #  ifdef DL_LAZY
  2658 #   define LTDL_LAZY_OR_NOW	DL_LAZY
  2659 #  else
  2660 #   ifdef RTLD_NOW
  2661 #    define LTDL_LAZY_OR_NOW	RTLD_NOW
  2662 #   else
  2663 #    ifdef DL_NOW
  2664 #     define LTDL_LAZY_OR_NOW	DL_NOW
  2665 #    else
  2666 #     define LTDL_LAZY_OR_NOW	0
  2667 #    endif
  2668 #   endif
  2669 #  endif
  2670 # endif
  2671 #endif
  2672 
  2673 fnord() { int i=42;}
  2674 main() { void *self, *ptr1, *ptr2; self=dlopen(0,LTDL_GLOBAL|LTDL_LAZY_OR_NOW);
  2675     if(self) { ptr1=dlsym(self,"fnord"); ptr2=dlsym(self,"_fnord");
  2676 	       if(ptr1 || ptr2) { dlclose(self); exit(0); } } exit(1); } 
  2677 
  2678 EOF
  2679 if { (eval echo $progname:2580: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest && (./conftest; exit) 2>/dev/null
  2680 then
  2681   lt_cv_dlopen_self=yes
  2682 else
  2683   echo "$progname: failed program was:" >&5
  2684   cat conftest.$ac_ext >&5
  2685   rm -fr conftest*
  2686   lt_cv_dlopen_self=no
  2687 fi
  2688 rm -fr conftest*
  2689 fi
  2690 
  2691 fi
  2692 
  2693 echo "$ac_t""$lt_cv_dlopen_self" 1>&6
  2694 
  2695   if test "$lt_cv_dlopen_self" = yes; then
  2696     LDFLAGS="$LDFLAGS $link_static_flag"
  2697   echo $ac_n "checking whether a statically linked program can dlopen itself""... $ac_c" 1>&6
  2698 echo "$progname:2599: checking whether a statically linked program can dlopen itself" >&5
  2699 if test "${lt_cv_dlopen_self_static+set}" = set; then
  2700   echo $ac_n "(cached) $ac_c" 1>&6
  2701 else
  2702   if test "$cross_compiling" = yes; then
  2703     lt_cv_dlopen_self_static=cross
  2704   else
  2705     cat > conftest.c <<EOF
  2706 #line 2607 "ltconfig"
  2707 
  2708 #if HAVE_DLFCN_H
  2709 #include <dlfcn.h>
  2710 #endif
  2711 
  2712 #include <stdio.h>
  2713 
  2714 #ifdef RTLD_GLOBAL
  2715 # define LTDL_GLOBAL	RTLD_GLOBAL
  2716 #else
  2717 # ifdef DL_GLOBAL
  2718 #  define LTDL_GLOBAL	DL_GLOBAL
  2719 # else
  2720 #  define LTDL_GLOBAL	0
  2721 # endif
  2722 #endif
  2723 
  2724 /* We may have to define LTDL_LAZY_OR_NOW in the command line if we
  2725    find out it does not work in some platform. */
  2726 #ifndef LTDL_LAZY_OR_NOW
  2727 # ifdef RTLD_LAZY
  2728 #  define LTDL_LAZY_OR_NOW	RTLD_LAZY
  2729 # else
  2730 #  ifdef DL_LAZY
  2731 #   define LTDL_LAZY_OR_NOW	DL_LAZY
  2732 #  else
  2733 #   ifdef RTLD_NOW
  2734 #    define LTDL_LAZY_OR_NOW	RTLD_NOW
  2735 #   else
  2736 #    ifdef DL_NOW
  2737 #     define LTDL_LAZY_OR_NOW	DL_NOW
  2738 #    else
  2739 #     define LTDL_LAZY_OR_NOW	0
  2740 #    endif
  2741 #   endif
  2742 #  endif
  2743 # endif
  2744 #endif
  2745 
  2746 fnord() { int i=42;}
  2747 main() { void *self, *ptr1, *ptr2; self=dlopen(0,LTDL_GLOBAL|LTDL_LAZY_OR_NOW);
  2748     if(self) { ptr1=dlsym(self,"fnord"); ptr2=dlsym(self,"_fnord");
  2749     if(ptr1 || ptr2) { dlclose(self); exit(0); } } exit(1); } 
  2750 
  2751 EOF
  2752 if { (eval echo $progname:2653: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest && (./conftest; exit) 2>/dev/null
  2753 then
  2754   lt_cv_dlopen_self_static=yes
  2755 else
  2756   echo "$progname: failed program was:" >&5
  2757   cat conftest.$ac_ext >&5
  2758   rm -fr conftest*
  2759   lt_cv_dlopen_self_static=no
  2760 fi
  2761 rm -fr conftest*
  2762 fi
  2763 
  2764 fi
  2765 
  2766 echo "$ac_t""$lt_cv_dlopen_self_static" 1>&6
  2767 fi
  2768     ;;
  2769   esac
  2770 
  2771   case "$lt_cv_dlopen_self" in
  2772   yes|no) enable_dlopen_self=$lt_cv_dlopen_self ;;
  2773   *) enable_dlopen_self=unknown ;;
  2774   esac
  2775 
  2776   case "$lt_cv_dlopen_self_static" in
  2777   yes|no) enable_dlopen_self_static=$lt_cv_dlopen_self_static ;;
  2778   *) enable_dlopen_self_static=unknown ;;
  2779   esac
  2780 fi
  2781 
  2782 # Copy echo and quote the copy, instead of the original, because it is
  2783 # used later.
  2784 ltecho="$echo"
  2785 if test "X$ltecho" = "X$CONFIG_SHELL $0 --fallback-echo"; then
  2786    ltecho="$CONFIG_SHELL \$0 --fallback-echo"
  2787 fi
  2788 LTSHELL="$SHELL"
  2789 
  2790 LTCONFIG_VERSION="$VERSION"
  2791 
  2792 # Only quote variables if we're using ltmain.sh.
  2793 case "$ltmain" in
  2794 *.sh)
  2795   # Now quote all the things that may contain metacharacters.
  2796   for var in ltecho old_CC old_CFLAGS old_CPPFLAGS \
  2797     old_LD old_LDFLAGS old_LIBS \
  2798     old_NM old_RANLIB old_LN_S old_DLLTOOL old_OBJDUMP old_AS \
  2799     AR CC LD LN_S NM LTSHELL LTCONFIG_VERSION \
  2800     reload_flag reload_cmds wl \
  2801     pic_flag link_static_flag no_builtin_flag export_dynamic_flag_spec \
  2802     thread_safe_flag_spec whole_archive_flag_spec libname_spec \
  2803     library_names_spec soname_spec \
  2804     RANLIB old_archive_cmds old_archive_from_new_cmds old_postinstall_cmds \
  2805     old_postuninstall_cmds archive_cmds archive_expsym_cmds postinstall_cmds postuninstall_cmds \
  2806     file_magic_cmd export_symbols_cmds deplibs_check_method allow_undefined_flag no_undefined_flag \
  2807     finish_cmds finish_eval global_symbol_pipe global_symbol_to_cdecl \
  2808     hardcode_libdir_flag_spec hardcode_libdir_separator  \
  2809     sys_lib_search_path_spec sys_lib_dlsearch_path_spec \
  2810     compiler_c_o compiler_o_lo need_locks exclude_expsyms include_expsyms; do
  2811 
  2812     case "$var" in
  2813     reload_cmds | old_archive_cmds | old_archive_from_new_cmds | \
  2814     old_postinstall_cmds | old_postuninstall_cmds | \
  2815     export_symbols_cmds | archive_cmds | archive_expsym_cmds | \
  2816     postinstall_cmds | postuninstall_cmds | \
  2817     finish_cmds | sys_lib_search_path_spec | sys_lib_dlsearch_path_spec)
  2818       # Double-quote double-evaled strings.
  2819       eval "$var=\\\"\`\$echo \"X\$$var\" | \$Xsed -e \"\$double_quote_subst\" -e \"\$sed_quote_subst\" -e \"\$delay_variable_subst\"\`\\\""
  2820       ;;
  2821     *)
  2822       eval "$var=\\\"\`\$echo \"X\$$var\" | \$Xsed -e \"\$sed_quote_subst\"\`\\\""
  2823       ;;
  2824     esac
  2825   done
  2826 
  2827   case "$ltecho" in
  2828   *'\$0 --fallback-echo"')
  2829     ltecho=`$echo "X$ltecho" | $Xsed -e 's/\\\\\\\$0 --fallback-echo"$/$0 --fallback-echo"/'`
  2830     ;;
  2831   esac
  2832 
  2833   trap "$rm \"$ofile\"; exit 1" 1 2 15
  2834   echo "creating $ofile"
  2835   $rm "$ofile"
  2836   cat <<EOF > "$ofile"
  2837 #! $SHELL
  2838 
  2839 # `$echo "$ofile" | sed 's%^.*/%%'` - Provide generalized library-building support services.
  2840 # Generated automatically by $PROGRAM (GNU $PACKAGE $VERSION$TIMESTAMP)
  2841 # NOTE: Changes made to this file will be lost: look at ltconfig or ltmain.sh.
  2842 #
  2843 # Copyright (C) 1996-1999 Free Software Foundation, Inc.
  2844 # Originally by Gordon Matzigkeit <gord@gnu.ai.mit.edu>, 1996
  2845 #
  2846 # This program is free software; you can redistribute it and/or modify
  2847 # it under the terms of the GNU General Public License as published by
  2848 # the Free Software Foundation; either version 2 of the License, or
  2849 # (at your option) any later version.
  2850 #
  2851 # This program is distributed in the hope that it will be useful, but
  2852 # WITHOUT ANY WARRANTY; without even the implied warranty of
  2853 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  2854 # General Public License for more details.
  2855 #
  2856 # You should have received a copy of the GNU General Public License
  2857 # along with this program; if not, write to the Free Software
  2858 # Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
  2859 #
  2860 # As a special exception to the GNU General Public License, if you
  2861 # distribute this file as part of a program that contains a
  2862 # configuration script generated by Autoconf, you may include it under
  2863 # the same distribution terms that you use for the rest of that program.
  2864 
  2865 # Sed that helps us avoid accidentally triggering echo(1) options like -n.
  2866 Xsed="sed -e s/^X//"
  2867 
  2868 # The HP-UX ksh and POSIX shell print the target directory to stdout
  2869 # if CDPATH is set.
  2870 if test "X\${CDPATH+set}" = Xset; then CDPATH=:; export CDPATH; fi
  2871 
  2872 ### BEGIN LIBTOOL CONFIG
  2873 EOF
  2874   cfgfile="$ofile"
  2875   ;;
  2876 
  2877 *)
  2878   # Double-quote the variables that need it (for aesthetics).
  2879   for var in old_CC old_CFLAGS old_CPPFLAGS \
  2880     old_LD old_LDFLAGS old_LIBS \
  2881     old_NM old_RANLIB old_LN_S old_DLLTOOL old_OBJDUMP old_AS; do
  2882     eval "$var=\\\"\$var\\\""
  2883   done
  2884 
  2885   # Just create a config file.
  2886   cfgfile="$ofile.cfg"
  2887   trap "$rm \"$cfgfile\"; exit 1" 1 2 15
  2888   echo "creating $cfgfile"
  2889   $rm "$cfgfile"
  2890   cat <<EOF > "$cfgfile"
  2891 # `$echo "$cfgfile" | sed 's%^.*/%%'` - Libtool configuration file.
  2892 # Generated automatically by $PROGRAM (GNU $PACKAGE $VERSION$TIMESTAMP)
  2893 EOF
  2894   ;;
  2895 esac
  2896 
  2897 cat <<EOF >> "$cfgfile"
  2898 # Libtool was configured as follows, on host `(hostname || uname -n) 2>/dev/null | sed 1q`:
  2899 #
  2900 # CC=$old_CC CFLAGS=$old_CFLAGS CPPFLAGS=$old_CPPFLAGS \\
  2901 # LD=$old_LD LDFLAGS=$old_LDFLAGS LIBS=$old_LIBS \\
  2902 # NM=$old_NM RANLIB=$old_RANLIB LN_S=$old_LN_S \\
  2903 # DLLTOOL=$old_DLLTOOL OBJDUMP=$old_OBJDUMP AS=$old_AS \\
  2904 #   $0$ltconfig_args
  2905 #
  2906 # Compiler and other test output produced by $progname, useful for
  2907 # debugging $progname, is in ./config.log if it exists.
  2908 
  2909 # The version of $progname that generated this script.
  2910 LTCONFIG_VERSION=$LTCONFIG_VERSION
  2911 
  2912 # Shell to use when invoking shell scripts.
  2913 SHELL=$LTSHELL
  2914 
  2915 # Whether or not to build shared libraries.
  2916 build_libtool_libs=$enable_shared
  2917 
  2918 # Whether or not to build static libraries.
  2919 build_old_libs=$enable_static
  2920 
  2921 # Whether or not to optimize for fast installation.
  2922 fast_install=$enable_fast_install
  2923 
  2924 # The host system.
  2925 host_alias=$host_alias
  2926 host=$host
  2927 
  2928 # An echo program that does not interpret backslashes.
  2929 echo=$ltecho
  2930 
  2931 # The archiver.
  2932 AR=$AR
  2933 
  2934 # The default C compiler.
  2935 CC=$CC
  2936 
  2937 # The linker used to build libraries.
  2938 LD=$LD
  2939 
  2940 # Whether we need hard or soft links.
  2941 LN_S=$LN_S
  2942 
  2943 # A BSD-compatible nm program.
  2944 NM=$NM
  2945 
  2946 # Used on cygwin: DLL creation program.
  2947 DLLTOOL="$DLLTOOL"
  2948 
  2949 # Used on cygwin: object dumper.
  2950 OBJDUMP="$OBJDUMP"
  2951 
  2952 # Used on cygwin: assembler.
  2953 AS="$AS"
  2954 
  2955 # The name of the directory that contains temporary libtool files.
  2956 objdir=$objdir
  2957 
  2958 # How to create reloadable object files.
  2959 reload_flag=$reload_flag
  2960 reload_cmds=$reload_cmds
  2961 
  2962 # How to pass a linker flag through the compiler.
  2963 wl=$wl
  2964 
  2965 # Object file suffix (normally "o").
  2966 objext="$objext"
  2967 
  2968 # Old archive suffix (normally "a").
  2969 libext="$libext"
  2970 
  2971 # Executable file suffix (normally "").
  2972 exeext="$exeext"
  2973 
  2974 # Additional compiler flags for building library objects.
  2975 pic_flag=$pic_flag
  2976 
  2977 # Does compiler simultaneously support -c and -o options?
  2978 compiler_c_o=$compiler_c_o
  2979 
  2980 # Can we write directly to a .lo ?
  2981 compiler_o_lo=$compiler_o_lo
  2982 
  2983 # Must we lock files when doing compilation ?
  2984 need_locks=$need_locks
  2985 
  2986 # Do we need the lib prefix for modules?
  2987 need_lib_prefix=$need_lib_prefix
  2988 
  2989 # Do we need a version for libraries?
  2990 need_version=$need_version
  2991 
  2992 # Whether dlopen is supported.
  2993 dlopen=$enable_dlopen
  2994 
  2995 # Whether dlopen of programs is supported.
  2996 dlopen_self=$enable_dlopen_self
  2997 
  2998 # Whether dlopen of statically linked programs is supported.
  2999 dlopen_self_static=$enable_dlopen_self_static
  3000 
  3001 # Compiler flag to prevent dynamic linking.
  3002 link_static_flag=$link_static_flag
  3003 
  3004 # Compiler flag to turn off builtin functions.
  3005 no_builtin_flag=$no_builtin_flag
  3006 
  3007 # Compiler flag to allow reflexive dlopens.
  3008 export_dynamic_flag_spec=$export_dynamic_flag_spec
  3009 
  3010 # Compiler flag to generate shared objects directly from archives.
  3011 whole_archive_flag_spec=$whole_archive_flag_spec
  3012 
  3013 # Compiler flag to generate thread-safe objects.
  3014 thread_safe_flag_spec=$thread_safe_flag_spec
  3015 
  3016 # Library versioning type.
  3017 version_type=$version_type
  3018 
  3019 # Format of library name prefix.
  3020 libname_spec=$libname_spec
  3021 
  3022 # List of archive names.  First name is the real one, the rest are links.
  3023 # The last name is the one that the linker finds with -lNAME.
  3024 library_names_spec=$library_names_spec
  3025 
  3026 # The coded name of the library, if different from the real name.
  3027 soname_spec=$soname_spec
  3028 
  3029 # Commands used to build and install an old-style archive.
  3030 RANLIB=$RANLIB
  3031 old_archive_cmds=$old_archive_cmds
  3032 old_postinstall_cmds=$old_postinstall_cmds
  3033 old_postuninstall_cmds=$old_postuninstall_cmds
  3034 
  3035 # Create an old-style archive from a shared archive.
  3036 old_archive_from_new_cmds=$old_archive_from_new_cmds
  3037 
  3038 # Commands used to build and install a shared archive.
  3039 archive_cmds=$archive_cmds
  3040 archive_expsym_cmds=$archive_expsym_cmds
  3041 postinstall_cmds=$postinstall_cmds
  3042 postuninstall_cmds=$postuninstall_cmds
  3043 
  3044 # Method to check whether dependent libraries are shared objects.
  3045 deplibs_check_method=$deplibs_check_method
  3046 
  3047 # Command to use when deplibs_check_method == file_magic.
  3048 file_magic_cmd=$file_magic_cmd
  3049 
  3050 # Flag that allows shared libraries with undefined symbols to be built.
  3051 allow_undefined_flag=$allow_undefined_flag
  3052 
  3053 # Flag that forces no undefined symbols.
  3054 no_undefined_flag=$no_undefined_flag
  3055 
  3056 # Commands used to finish a libtool library installation in a directory.
  3057 finish_cmds=$finish_cmds
  3058 
  3059 # Same as above, but a single script fragment to be evaled but not shown.
  3060 finish_eval=$finish_eval
  3061 
  3062 # Take the output of nm and produce a listing of raw symbols and C names.
  3063 global_symbol_pipe=$global_symbol_pipe
  3064 
  3065 # Transform the output of nm in a proper C declaration
  3066 global_symbol_to_cdecl=$global_symbol_to_cdecl
  3067 
  3068 # This is the shared library runtime path variable.
  3069 runpath_var=$runpath_var
  3070 
  3071 # This is the shared library path variable.
  3072 shlibpath_var=$shlibpath_var
  3073 
  3074 # Is shlibpath searched before the hard-coded library search path?
  3075 shlibpath_overrides_runpath=$shlibpath_overrides_runpath
  3076 
  3077 # How to hardcode a shared library path into an executable.
  3078 hardcode_action=$hardcode_action
  3079 
  3080 # Flag to hardcode \$libdir into a binary during linking.
  3081 # This must work even if \$libdir does not exist.
  3082 hardcode_libdir_flag_spec=$hardcode_libdir_flag_spec
  3083 
  3084 # Whether we need a single -rpath flag with a separated argument.
  3085 hardcode_libdir_separator=$hardcode_libdir_separator
  3086 
  3087 # Set to yes if using DIR/libNAME.so during linking hardcodes DIR into the
  3088 # resulting binary.
  3089 hardcode_direct=$hardcode_direct
  3090 
  3091 # Set to yes if using the -LDIR flag during linking hardcodes DIR into the
  3092 # resulting binary.
  3093 hardcode_minus_L=$hardcode_minus_L
  3094 
  3095 # Set to yes if using SHLIBPATH_VAR=DIR during linking hardcodes DIR into
  3096 # the resulting binary.
  3097 hardcode_shlibpath_var=$hardcode_shlibpath_var
  3098 
  3099 # Compile-time system search path for libraries
  3100 sys_lib_search_path_spec=$sys_lib_search_path_spec
  3101 
  3102 # Run-time system search path for libraries
  3103 sys_lib_dlsearch_path_spec=$sys_lib_dlsearch_path_spec
  3104 
  3105 # Fix the shell variable \$srcfile for the compiler.
  3106 fix_srcfile_path="$fix_srcfile_path"
  3107 
  3108 # Set to yes if exported symbols are required.
  3109 always_export_symbols=$always_export_symbols
  3110 
  3111 # The commands to list exported symbols.
  3112 export_symbols_cmds=$export_symbols_cmds
  3113 
  3114 # Symbols that should not be listed in the preloaded symbols.
  3115 exclude_expsyms=$exclude_expsyms
  3116 
  3117 # Symbols that must always be exported.
  3118 include_expsyms=$include_expsyms
  3119 
  3120 EOF
  3121 
  3122 case "$ltmain" in
  3123 *.sh)
  3124   echo '### END LIBTOOL CONFIG' >> "$ofile"
  3125   echo >> "$ofile"
  3126   case "$host_os" in
  3127   aix3*)
  3128     cat <<\EOF >> "$ofile"
  3129 
  3130 # AIX sometimes has problems with the GCC collect2 program.  For some
  3131 # reason, if we set the COLLECT_NAMES environment variable, the problems
  3132 # vanish in a puff of smoke.
  3133 if test "X${COLLECT_NAMES+set}" != Xset; then
  3134   COLLECT_NAMES=
  3135   export COLLECT_NAMES
  3136 fi
  3137 EOF
  3138     ;;
  3139   esac
  3140 
  3141   # Append the ltmain.sh script.
  3142   sed '$q' "$ltmain" >> "$ofile" || (rm -f "$ofile"; exit 1)
  3143   # We use sed instead of cat because bash on DJGPP gets confused if
  3144   # if finds mixed CR/LF and LF-only lines.  Since sed operates in
  3145   # text mode, it properly converts lines to CR/LF.  This bash problem
  3146   # is reportedly fixed, but why not run on old versions too?
  3147 
  3148   chmod +x "$ofile"
  3149   ;;
  3150 
  3151 *)
  3152   # Compile the libtool program.
  3153   echo "FIXME: would compile $ltmain"
  3154   ;;
  3155 esac
  3156 
  3157 test -n "$cache_file" || exit 0
  3158 
  3159 # AC_CACHE_SAVE
  3160 trap '' 1 2 15
  3161 cat > confcache <<\EOF
  3162 # This file is a shell script that caches the results of configure
  3163 # tests run on this system so they can be shared between configure
  3164 # scripts and configure runs.  It is not useful on other systems.
  3165 # If it contains results you don't want to keep, you may remove or edit it.
  3166 #
  3167 # By default, configure uses ./config.cache as the cache file,
  3168 # creating it if it does not exist already.  You can give configure
  3169 # the --cache-file=FILE option to use a different cache file; that is
  3170 # what configure does when it calls configure scripts in
  3171 # subdirectories, so they share the cache.
  3172 # Giving --cache-file=/dev/null disables caching, for debugging configure.
  3173 # config.status only pays attention to the cache file if you give it the
  3174 # --recheck option to rerun configure.
  3175 #
  3176 EOF
  3177 # The following way of writing the cache mishandles newlines in values,
  3178 # but we know of no workaround that is simple, portable, and efficient.
  3179 # So, don't put newlines in cache variables' values.
  3180 # Ultrix sh set writes to stderr and can't be redirected directly,
  3181 # and sets the high bit in the cache file unless we assign to the vars.
  3182 (set) 2>&1 |
  3183   case `(ac_space=' '; set | grep ac_space) 2>&1` in
  3184   *ac_space=\ *)
  3185     # `set' does not quote correctly, so add quotes (double-quote substitution
  3186     # turns \\\\ into \\, and sed turns \\ into \).
  3187     sed -n \
  3188       -e "s/'/'\\\\''/g" \
  3189       -e "s/^\\([a-zA-Z0-9_]*_cv_[a-zA-Z0-9_]*\\)=\\(.*\\)/\\1=\${\\1='\\2'}/p"
  3190     ;;
  3191   *)
  3192     # `set' quotes correctly as required by POSIX, so do not add quotes.
  3193     sed -n -e 's/^\([a-zA-Z0-9_]*_cv_[a-zA-Z0-9_]*\)=\(.*\)/\1=${\1=\2}/p'
  3194     ;;
  3195   esac >> confcache
  3196 if cmp -s $cache_file confcache; then
  3197   :
  3198 else
  3199   if test -w $cache_file; then
  3200     echo "updating cache $cache_file"
  3201     cat confcache > $cache_file
  3202   else
  3203     echo "not updating unwritable cache $cache_file"
  3204   fi
  3205 fi
  3206 rm -f confcache
  3207 
  3208 exit 0
  3209 
  3210 # Local Variables:
  3211 # mode:shell-script
  3212 # sh-indentation:2
  3213 # End: