libffi/ltconfig

   1 #! /bin/sh
   2
   3 # ltconfig - Create a system-specific libtool.
   4 # Copyright (C) 1996-1999 Free Software Foundation, Inc.
   5 # 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   # used as fallback echo
  36   shift
  37   cat <<EOF
  38 $*
  39 EOF
  40   exit 0
  41 elif test "X`($echo '\t') 2>/dev/null`" = 'X\t'; then
  42   # Yippee, $echo works!
  43   :
  44 else
  45   # Restart under the correct shell.
  46   exec "$SHELL" "$0" --no-reexec ${1+"$@"}
  47 fi
  48
  49 # Find the correct PATH separator.  Usually this is `:', but
  50 # DJGPP uses `;' like DOS.
  51 if test "X${PATH_SEPARATOR+set}" != "Xset"; then
  52   UNAME=${UNAME-`uname 2>/dev/null`}
  53   case X$UNAME in
  54     *-DOS) PATH_SEPARATOR=';' ;;
  55     *)     PATH_SEPARATOR=':' ;;
  56   esac
  57 fi
  58
  59 # The HP-UX ksh and POSIX shell print the target directory to stdout
  60 # if CDPATH is set.
  61 if test "${CDPATH+set}" = set; then CDPATH=; export CDPATH; fi
  62
  63 if test "X${echo_test_string+set}" != "Xset"; then
  64   # find a string as large as possible, as long as the shell can cope with it
  65   for cmd in 'sed 50q "$0"' 'sed 20q "$0"' 'sed 10q "$0"' 'sed 2q "$0"' 'echo test'; do
  66     # expected sizes: less than 2Kb, 1Kb, 512 bytes, 16 bytes, ...
  67     if (echo_test_string="`eval $cmd`") 2>/dev/null &&
  68        echo_test_string="`eval $cmd`" &&
  69        (test "X$echo_test_string" = "X$echo_test_string") 2>/dev/null; then
  70       break
  71     fi
  72   done
  73 fi
  74
  75 if test "X`($echo '\t') 2>/dev/null`" != 'X\t' ||
  76    test "X`($echo "$echo_test_string") 2>/dev/null`" != X"$echo_test_string"; then
  77   # The Solaris, AIX, and Digital Unix default echo programs unquote
  78   # backslashes.  This makes it impossible to quote backslashes using
  79   #   echo "$something" | sed 's/\\/\\\\/g'
  80   #
  81   # So, first we look for a working echo in the user's PATH.
  82
  83   IFS="${IFS=   }"; save_ifs="$IFS"; IFS="${IFS}${PATH_SEPARATOR}"
  84   for dir in $PATH /usr/ucb; do
  85     if test -f $dir/echo &&
  86        test "X`($dir/echo '\t') 2>/dev/null`" = 'X\t' &&
  87        test "X`($dir/echo "$echo_test_string") 2>/dev/null`" = X"$echo_test_string"; then
  88       echo="$dir/echo"
  89       break
  90     fi
  91   done
  92   IFS="$save_ifs"
  93
  94   if test "X$echo" = Xecho; then
  95     # We didn't find a better echo, so look for alternatives.
  96     if test "X`(print -r '\t') 2>/dev/null`" = 'X\t' &&
  97        test "X`(print -r "$echo_test_string") 2>/dev/null`" = X"$echo_test_string"; then
  98       # This shell has a builtin print -r that does the trick.
  99       echo='print -r'
 100     elif test -f /bin/ksh && test "X$CONFIG_SHELL" != X/bin/ksh; then
 101       # If we have ksh, try running ltconfig again with it.
 102       ORIGINAL_CONFIG_SHELL="${CONFIG_SHELL-/bin/sh}"
 103       export ORIGINAL_CONFIG_SHELL
 104       CONFIG_SHELL=/bin/ksh
 105       export CONFIG_SHELL
 106       exec "$CONFIG_SHELL" "$0" --no-reexec ${1+"$@"}
 107     else
 108       # Try using printf.
 109       echo='printf "%s\n"'
 110       if test "X`($echo '\t') 2>/dev/null`" = 'X\t' &&
 111          test "X`($echo "$echo_test_string") 2>/dev/null`" = X"$echo_test_string"; then
 112         # Cool, printf works
 113         :
 114       elif test "X`("$ORIGINAL_CONFIG_SHELL" "$0" --fallback-echo '\t') 2>/dev/null`" = 'X\t' &&
 115            test "X`("$ORIGINAL_CONFIG_SHELL" "$0" --fallback-echo "$echo_test_string") 2>/dev/null`" = X"$echo_test_string"; then
 116         CONFIG_SHELL="$ORIGINAL_CONFIG_SHELL"
 117         export CONFIG_SHELL
 118         SHELL="$CONFIG_SHELL"
 119         export SHELL
 120         echo="$CONFIG_SHELL $0 --fallback-echo"
 121       elif test "X`("$CONFIG_SHELL" "$0" --fallback-echo '\t') 2>/dev/null`" = 'X\t' &&
 122            test "X`("$CONFIG_SHELL" "$0" --fallback-echo "$echo_test_string") 2>/dev/null`" = X"$echo_test_string"; then
 123         echo="$CONFIG_SHELL $0 --fallback-echo"
 124       else
 125         # maybe with a smaller string...
 126         prev=:
 127
 128         for cmd in 'echo test' 'sed 2q "$0"' 'sed 10q "$0"' 'sed 20q "$0"' 'sed 50q "$0"'; do
 129           if (test "X$echo_test_string" = "X`eval $cmd`") 2>/dev/null; then
 130             break
 131           fi
 132           prev="$cmd"
 133         done
 134
 135         if test "$prev" != 'sed 50q "$0"'; then
 136           echo_test_string=`eval $prev`
 137           export echo_test_string
 138           exec "${ORIGINAL_CONFIG_SHELL}" "$0" ${1+"$@"}
 139         else
 140           # Oops.  We lost completely, so just stick with echo.
 141           echo=echo
 142         fi
 143       fi
 144     fi
 145   fi
 146 fi
 147
 148 # Sed substitution that helps us do robust quoting.  It backslashifies
 149 # metacharacters that are still active within double-quoted strings.
 150 Xsed='sed -e s/^X//'
 151 sed_quote_subst='s/\([\\"\\`$\\\\]\)/\\\1/g'
 152
 153 # Same as above, but do not quote variable references.
 154 double_quote_subst='s/\([\\"\\`\\\\]\)/\\\1/g'
 155
 156 # Sed substitution to delay expansion of an escaped shell variable in a
 157 # double_quote_subst'ed string.
 158 delay_variable_subst='s/\\\\\\\\\\\$/\\\\\\$/g'
 159
 160 # The name of this program.
 161 progname=`$echo "X$0" | $Xsed -e 's%^.*/%%'`
 162
 163 # Constants:
 164 PROGRAM=ltconfig
 165 PACKAGE=libtool
 166 VERSION=1.2f
 167 TIMESTAMP=" (1.385 1999/03/15 17:24:54)"
 168 ac_compile='${CC-cc} -c $CFLAGS $CPPFLAGS conftest.c 1>&5'
 169 ac_link='${CC-cc} -o conftest $CFLAGS $CPPFLAGS $LDFLAGS conftest.c $LIBS 1>&5'
 170 rm="rm -f"
 171
 172 help="Try \`$progname --help' for more information."
 173
 174 # Global variables:
 175 default_ofile=libtool
 176 can_build_shared=yes
 177 enable_shared=yes
 178 # All known linkers require a `.a' archive for static linking.
 179 enable_static=yes
 180 enable_fast_install=yes
 181 enable_dlopen=unknown
 182 ltmain=
 183 silent=
 184 srcdir=
 185 ac_config_guess=
 186 ac_config_sub=
 187 host=
 188 nonopt=
 189 ofile="$default_ofile"
 190 verify_host=yes
 191 with_gcc=no
 192 with_gnu_ld=no
 193 need_locks=yes
 194 ac_ext=c
 195 objext=o
 196 libext=a
 197 cache_file=
 198
 199 old_AR="$AR"
 200 old_CC="$CC"
 201 old_CFLAGS="$CFLAGS"
 202 old_CPPFLAGS="$CPPFLAGS"
 203 old_LD="$LD"
 204 old_LN_S="$LN_S"
 205 old_NM="$NM"
 206 old_RANLIB="$RANLIB"
 207 old_DLLTOOL="$DLLTOOL"
 208 old_AS="$AS"
 209
 210 # Parse the command line options.
 211 args=
 212 prev=
 213 for option
 214 do
 215   case "$option" in
 216   -*=*) optarg=`echo "$option" | sed 's/[-_a-zA-Z0-9]*=//'` ;;
 217   *) optarg= ;;
 218   esac
 219
 220   # If the previous option needs an argument, assign it.
 221   if test -n "$prev"; then
 222     eval "$prev=\$option"
 223     prev=
 224     continue
 225   fi
 226
 227   case "$option" in
 228   --help) cat <<EOM
 229 Usage: $progname [OPTION]... [HOST [LTMAIN]]
 230
 231 Generate a system-specific libtool script.
 232
 233     --debug                enable verbose shell tracing
 234     --disable-shared       do not build shared libraries
 235     --disable-static       do not build static libraries
 236     --disable-fast-install do not optimize for fast installation
 237     --enable-dlopen        enable dlopen support
 238     --enable-dlopen-self   enable support for dlopening programs
 239     --help                 display this help and exit
 240     --no-verify            do not verify that HOST is a valid host type
 241 -o, --output=FILE          specify the output file [default=$default_ofile]
 242     --quiet                same as \`--silent'
 243     --silent               do not print informational messages
 244     --srcdir=DIR           find \`config.guess' in DIR
 245     --version              output version information and exit
 246     --with-gcc             assume that the GNU C compiler will be used
 247     --with-gnu-ld          assume that the C compiler uses the GNU linker
 248     --disable-lock         disable file locking
 249     --cache-file=FILE      configure cache file
 250
 251 LTMAIN is the \`ltmain.sh' shell script fragment or \`ltmain.c' program
 252 that provides basic libtool functionality.
 253
 254 HOST is the canonical host system name [default=guessed].
 255 EOM
 256   exit 0
 257   ;;
 258
 259   --debug)
 260     echo "$progname: enabling shell trace mode"
 261     set -x
 262     ;;
 263
 264   --disable-shared) enable_shared=no ;;
 265
 266   --disable-static) enable_static=no ;;
 267
 268   --disable-fast-install) enable_fast_install=no ;;
 269
 270   --enable-dlopen) enable_dlopen=yes ;;
 271
 272   --quiet | --silent) silent=yes ;;
 273
 274   --srcdir) prev=srcdir ;;
 275   --srcdir=*) srcdir="$optarg" ;;
 276
 277   --no-verify) verify_host=no ;;
 278
 279   --output | -o) prev=ofile ;;
 280   --output=*) ofile="$optarg" ;;
 281
 282   --version) echo "$PROGRAM (GNU $PACKAGE) $VERSION$TIMESTAMP"; exit 0 ;;
 283
 284   --with-gcc) with_gcc=yes ;;
 285   --with-gnu-ld) with_gnu_ld=yes ;;
 286
 287   --disable-lock) need_locks=no ;;
 288
 289   --cache-file=*) cache_file="$optarg" ;;
 290
 291   -*)
 292     echo "$progname: unrecognized option \`$option'" 1>&2
 293     echo "$help" 1>&2
 294     exit 1
 295     ;;
 296
 297   *)
 298     if test -z "$ltmain"; then
 299       ltmain="$option"
 300     elif test -z "$host"; then
 301 # This generates an unnecessary warning for sparc-sun-solaris4.1.3_U1
 302 #      if test -n "`echo $option| sed 's/[-a-z0-9.]//g'`"; then
 303 #        echo "$progname: warning \`$option' is not a valid host type" 1>&2
 304 #      fi
 305       host="$option"
 306     else
 307       echo "$progname: too many arguments" 1>&2
 308       echo "$help" 1>&2
 309       exit 1
 310     fi ;;
 311   esac
 312 done
 313
 314 if test -z "$ltmain"; then
 315   echo "$progname: you must specify a LTMAIN file" 1>&2
 316   echo "$help" 1>&2
 317   exit 1
 318 fi
 319
 320 if test ! -f "$ltmain"; then
 321   echo "$progname: \`$ltmain' does not exist" 1>&2
 322   echo "$help" 1>&2
 323   exit 1
 324 fi
 325
 326 # Quote any args containing shell metacharacters.
 327 ltconfig_args=
 328 for arg
 329 do
 330   case "$arg" in
 331   *" "*|*"      "*|*[\[\]\~\#\$\^\&\*\(\)\{\}\\\|\;\<\>\?]*)
 332   ltconfig_args="$ltconfig_args '$arg'" ;;
 333   *) ltconfig_args="$ltconfig_args $arg" ;;
 334   esac
 335 done
 336
 337 # A relevant subset of AC_INIT.
 338
 339 # File descriptor usage:
 340 # 0 standard input
 341 # 1 file creation
 342 # 2 errors and warnings
 343 # 3 some systems may open it to /dev/tty
 344 # 4 used on the Kubota Titan
 345 # 5 compiler messages saved in config.log
 346 # 6 checking for... messages and results
 347 if test "$silent" = yes; then
 348   exec 6>/dev/null
 349 else
 350   exec 6>&1
 351 fi
 352 exec 5>>./config.log
 353
 354 # NLS nuisances.
 355 # Only set LANG and LC_ALL to C if already set.
 356 # These must not be set unconditionally because not all systems understand
 357 # e.g. LANG=C (notably SCO).
 358 if test "${LC_ALL+set}" = set; then LC_ALL=C; export LC_ALL; fi
 359 if test "${LANG+set}"   = set; then LANG=C;   export LANG;   fi
 360
 361 if test -n "$cache_file" && test -r "$cache_file"; then
 362   echo "loading cache $cache_file within ltconfig"
 363   . $cache_file
 364 fi
 365
 366 if (echo "testing\c"; echo 1,2,3) | grep c >/dev/null; then
 367   # Stardent Vistra SVR4 grep lacks -e, says ghazi@caip.rutgers.edu.
 368   if (echo -n testing; echo 1,2,3) | sed s/-n/xn/ | grep xn >/dev/null; then
 369     ac_n= ac_c='
 370 ' ac_t='        '
 371   else
 372     ac_n=-n ac_c= ac_t=
 373   fi
 374 else
 375   ac_n= ac_c='\c' ac_t=
 376 fi
 377
 378 if test -z "$srcdir"; then
 379   # Assume the source directory is the same one as the path to LTMAIN.
 380   srcdir=`$echo "X$ltmain" | $Xsed -e 's%/[^/]*$%%'`
 381   test "$srcdir" = "$ltmain" && srcdir=.
 382 fi
 383
 384 trap "$rm conftest*; exit 1" 1 2 15
 385 if test "$verify_host" = yes; then
 386   # Check for config.guess and config.sub.
 387   ac_aux_dir=
 388   for ac_dir in $srcdir $srcdir/.. $srcdir/../..; do
 389     if test -f $ac_dir/config.guess; then
 390       ac_aux_dir=$ac_dir
 391       break
 392     fi
 393   done
 394   if test -z "$ac_aux_dir"; then
 395     echo "$progname: cannot find config.guess in $srcdir $srcdir/.. $srcdir/../.." 1>&2
 396     echo "$help" 1>&2
 397     exit 1
 398   fi
 399   ac_config_guess=$ac_aux_dir/config.guess
 400   ac_config_sub=$ac_aux_dir/config.sub
 401
 402   # Make sure we can run config.sub.
 403   if $SHELL $ac_config_sub sun4 >/dev/null 2>&1; then :
 404   else
 405     echo "$progname: cannot run $ac_config_sub" 1>&2
 406     echo "$help" 1>&2
 407     exit 1
 408   fi
 409
 410   echo $ac_n "checking host system type""... $ac_c" 1>&6
 411
 412   host_alias=$host
 413   case "$host_alias" in
 414   "")
 415     if host_alias=`$SHELL $ac_config_guess`; then :
 416     else
 417       echo "$progname: cannot guess host type; you must specify one" 1>&2
 418       echo "$help" 1>&2
 419       exit 1
 420     fi ;;
 421   esac
 422   host=`$SHELL $ac_config_sub $host_alias`
 423   echo "$ac_t$host" 1>&6
 424
 425   # Make sure the host verified.
 426   test -z "$host" && exit 1
 427
 428 elif test -z "$host"; then
 429   echo "$progname: you must specify a host type if you use \`--no-verify'" 1>&2
 430   echo "$help" 1>&2
 431   exit 1
 432 else
 433   host_alias=$host
 434 fi
 435
 436 # Transform linux* to *-*-linux-gnu*, to support old configure scripts.
 437 case "$host_os" in
 438 linux-gnu*) ;;
 439 linux*) host=`echo $host | sed 's/^\(.*-.*-linux\)\(.*\)$/\1-gnu\2/'`
 440 esac
 441
 442 host_cpu=`echo $host | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\1/'`
 443 host_vendor=`echo $host | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\2/'`
 444 host_os=`echo $host | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\3/'`
 445
 446 case "$host_os" in
 447 aix3*)
 448   # AIX sometimes has problems with the GCC collect2 program.  For some
 449   # reason, if we set the COLLECT_NAMES environment variable, the problems
 450   # vanish in a puff of smoke.
 451   if test "${COLLECT_NAMES+set}" != set; then
 452     COLLECT_NAMES=
 453     export COLLECT_NAMES
 454   fi
 455   ;;
 456 esac
 457
 458 # Determine commands to create old-style static archives.
 459 old_archive_cmds='$AR cru $oldlib$oldobjs'
 460 old_postinstall_cmds='chmod 644 $oldlib'
 461 old_postuninstall_cmds=
 462
 463 # Set a sane default for `AR'.
 464 test -z "$AR" && AR=ar
 465
 466 # If RANLIB is not set, then run the test.
 467 if test "${RANLIB+set}" != "set"; then
 468   result=no
 469
 470   echo $ac_n "checking for ranlib... $ac_c" 1>&6
 471   IFS="${IFS=   }"; save_ifs="$IFS"; IFS="${IFS}${PATH_SEPARATOR}"
 472   for dir in $PATH; do
 473     test -z "$dir" && dir=.
 474     if test -f $dir/ranlib; then
 475       RANLIB="ranlib"
 476       result="ranlib"
 477       break
 478     fi
 479   done
 480   IFS="$save_ifs"
 481
 482   echo "$ac_t$result" 1>&6
 483 fi
 484
 485 if test -n "$RANLIB"; then
 486   old_archive_cmds="$old_archive_cmds~\$RANLIB \$oldlib"
 487   old_postinstall_cmds="\$RANLIB \$oldlib~$old_postinstall_cmds"
 488 fi
 489
 490 # Set sane defaults for `DLLTOOL' and `AS', used on cygwin.
 491 test -z "$DLLTOOL" && DLLTOOL=dlltool
 492 test -z "$AS" && AS=as
 493
 494 # Check to see if we are using GCC.
 495 if test "$with_gcc" != yes || test -z "$CC"; then
 496   # If CC is not set, then try to find GCC or a usable CC.
 497   if test -z "$CC"; then
 498     echo $ac_n "checking for gcc... $ac_c" 1>&6
 499     IFS="${IFS=         }"; save_ifs="$IFS"; IFS="${IFS}${PATH_SEPARATOR}"
 500     for dir in $PATH; do
 501       IFS="$save_ifs"
 502       test -z "$dir" && dir=.
 503       if test -f $dir/gcc; then
 504         CC="gcc"
 505         break
 506       fi
 507     done
 508     IFS="$save_ifs"
 509
 510     if test -n "$CC"; then
 511       echo "$ac_t$CC" 1>&6
 512     else
 513       echo "$ac_t"no 1>&6
 514     fi
 515   fi
 516
 517   # Not "gcc", so try "cc", rejecting "/usr/ucb/cc".
 518   if test -z "$CC"; then
 519     echo $ac_n "checking for cc... $ac_c" 1>&6
 520     IFS="${IFS=         }"; save_ifs="$IFS"; IFS="${IFS}${PATH_SEPARATOR}"
 521     cc_rejected=no
 522     for dir in $PATH; do
 523       test -z "$dir" && dir=.
 524       if test -f $dir/cc; then
 525         if test "$dir/cc" = "/usr/ucb/cc"; then
 526           cc_rejected=yes
 527           continue
 528         fi
 529         CC="cc"
 530         break
 531       fi
 532     done
 533     IFS="$save_ifs"
 534     if test $cc_rejected = yes; then
 535       # We found a bogon in the path, so make sure we never use it.
 536       set dummy $CC
 537       shift
 538       if test $# -gt 0; then
 539         # We chose a different compiler from the bogus one.
 540         # However, it has the same name, so the bogon will be chosen
 541         # first if we set CC to just the name; use the full file name.
 542         shift
 543         set dummy "$dir/cc" "$@"
 544         shift
 545         CC="$@"
 546       fi
 547     fi
 548
 549     if test -n "$CC"; then
 550       echo "$ac_t$CC" 1>&6
 551     else
 552       echo "$ac_t"no 1>&6
 553     fi
 554
 555     if test -z "$CC"; then
 556       echo "$progname: error: no acceptable cc found in \$PATH" 1>&2
 557       exit 1
 558     fi
 559   fi
 560
 561   # Now see if the compiler is really GCC.
 562   with_gcc=no
 563   echo $ac_n "checking whether we are using GNU C... $ac_c" 1>&6
 564   echo "$progname:564: checking whether we are using GNU C" >&5
 565
 566   $rm conftest.c
 567   cat > conftest.c <<EOF
 568 #ifdef __GNUC__
 569   yes;
 570 #endif
 571 EOF
 572   if { ac_try='${CC-cc} -E conftest.c'; { (eval echo $progname:572: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }; } | egrep yes >/dev/null 2>&1; then
 573     with_gcc=yes
 574   fi
 575   $rm conftest.c
 576   echo "$ac_t$with_gcc" 1>&6
 577 fi
 578
 579 # Allow CC to be a program name with arguments.
 580 set dummy $CC
 581 compiler="$2"
 582
 583 echo $ac_n "checking for object suffix... $ac_c" 1>&6
 584 $rm conftest*
 585 echo 'int i = 1;' > conftest.c
 586 echo "$progname:586: checking for object suffix" >& 5
 587 if { (eval echo $progname:587: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>conftest.err; }; then
 588   # Append any warnings to the config.log.
 589   cat conftest.err 1>&5
 590
 591   for ac_file in conftest.*; do
 592     case $ac_file in
 593     *.c) ;;
 594     *) objext=`echo $ac_file | sed -e s/conftest.//` ;;
 595     esac
 596   done
 597 else
 598   cat conftest.err 1>&5
 599   echo "$progname: failed program was:" >&5
 600   cat conftest.c >&5
 601 fi
 602 $rm conftest*
 603 echo "$ac_t$objext" 1>&6
 604
 605 echo $ac_n "checking for $compiler option to produce PIC... $ac_c" 1>&6
 606 pic_flag=
 607 special_shlib_compile_flags=
 608 wl=
 609 link_static_flag=
 610 no_builtin_flag=
 611
 612 if test "$with_gcc" = yes; then
 613   wl='-Wl,'
 614   link_static_flag='-static'
 615
 616   case "$host_os" in
 617   beos* | irix5* | irix6* | osf3* | osf4*)
 618     # PIC is the default for these OSes.
 619     ;;
 620   aix*)
 621     # Below there is a dirty hack to force normal static linking with -ldl
 622     # The problem is because libdl dynamically linked with both libc and
 623     # libC (AIX C++ library), which obviously doesn't included in libraries
 624     # list by gcc. This cause undefined symbols with -static flags.
 625     # This hack allows C programs to be linked with "-static -ldl", but
 626     # we not sure about C++ programs.
 627     link_static_flag="$link_static_flag ${wl}-lC"
 628     ;;
 629   cygwin* | mingw* | os2*)
 630     # We can build DLLs from non-PIC.
 631     ;;
 632   amigaos*)
 633     # FIXME: we need at least 68020 code to build shared libraries, but
 634     # adding the `-m68020' flag to GCC prevents building anything better,
 635     # like `-m68040'.
 636     pic_flag='-m68020 -resident32 -malways-restore-a4'
 637     ;;
 638   *)
 639     pic_flag='-fPIC'
 640     ;;
 641   esac
 642 else
 643   # PORTME Check for PIC flags for the system compiler.
 644   case "$host_os" in
 645   aix3* | aix4*)
 646     # All AIX code is PIC.
 647     link_static_flag='-bnso -bI:/lib/syscalls.exp'
 648     ;;
 649
 650   hpux9* | hpux10* | hpux11*)
 651     # Is there a better link_static_flag that works with the bundled CC?
 652     wl='-Wl,'
 653     link_static_flag="${wl}-a ${wl}archive"
 654     pic_flag='+Z'
 655     ;;
 656
 657   irix5* | irix6*)
 658     wl='-Wl,'
 659     link_static_flag='-non_shared'
 660     # PIC (with -KPIC) is the default.
 661     ;;
 662
 663   cygwin* | mingw* | os2*)
 664     # We can build DLLs from non-PIC.
 665     ;;
 666
 667   osf3* | osf4*)
 668     # All OSF/1 code is PIC.
 669     wl='-Wl,'
 670     link_static_flag='-non_shared'
 671     ;;
 672
 673   sco3.2v5*)
 674     pic_flag='-Kpic'
 675     link_static_flag='-dn'
 676     special_shlib_compile_flags='-belf'
 677     ;;
 678
 679   solaris*)
 680     pic_flag='-KPIC'
 681     link_static_flag='-Bstatic'
 682     wl='-Wl,'
 683     ;;
 684
 685   sunos4*)
 686     pic_flag='-PIC'
 687     link_static_flag='-Bstatic'
 688     wl='-Qoption ld '
 689     ;;
 690
 691   sysv4.2uw2* | sysv4.3* | sysv5*)
 692     pic_flag='-KPIC'
 693     link_static_flag='-Bstatic'
 694     wl='-Wl,'
 695     ;;
 696
 697   uts4*)
 698     pic_flag='-pic'
 699     link_static_flag='-Bstatic'
 700     ;;
 701
 702   *)
 703     can_build_shared=no
 704     ;;
 705   esac
 706 fi
 707
 708 if test -n "$pic_flag"; then
 709   echo "$ac_t$pic_flag" 1>&6
 710
 711   # Check to make sure the pic_flag actually works.
 712   echo $ac_n "checking if $compiler PIC flag $pic_flag works... $ac_c" 1>&6
 713   $rm conftest*
 714   echo "int some_variable = 0;" > conftest.c
 715   save_CFLAGS="$CFLAGS"
 716   CFLAGS="$CFLAGS $pic_flag -DPIC"
 717   echo "$progname:717: checking if $compiler PIC flag $pic_flag works" >&5
 718   if { (eval echo $progname:718: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>conftest.err; } && test -s conftest.$objext; then
 719     # Append any warnings to the config.log.
 720     cat conftest.err 1>&5
 721
 722     case "$host_os" in
 723     hpux9* | hpux10* | hpux11*)
 724       # On HP-UX, both CC and GCC only warn that PIC is supported... then they
 725       # create non-PIC objects.  So, if there were any warnings, we assume that
 726       # PIC is not supported.
 727       if test -s conftest.err; then
 728         echo "$ac_t"no 1>&6
 729         can_build_shared=no
 730         pic_flag=
 731       else
 732         echo "$ac_t"yes 1>&6
 733         pic_flag=" $pic_flag"
 734       fi
 735       ;;
 736     *)
 737       echo "$ac_t"yes 1>&6
 738       pic_flag=" $pic_flag"
 739       ;;
 740     esac
 741   else
 742     # Append any errors to the config.log.
 743     cat conftest.err 1>&5
 744     can_build_shared=no
 745     pic_flag=
 746     echo "$ac_t"no 1>&6
 747   fi
 748   CFLAGS="$save_CFLAGS"
 749   $rm conftest*
 750 else
 751   echo "$ac_t"none 1>&6
 752 fi
 753
 754 # Check to see if options -o and -c are simultaneously supported by compiler
 755 echo $ac_n "checking if $compiler supports -c -o file.o... $ac_c" 1>&6
 756 $rm conftest*
 757 echo "int some_variable = 0;" > conftest.c
 758 save_CFLAGS="$CFLAGS"
 759 CFLAGS="$CFLAGS -c -o conftest2.o"
 760 echo "$progname:760: checking if $compiler supports -c -o file.o" >&5
 761 if { (eval echo $progname:761: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>conftest.err; } && test -s conftest2.o; then
 762
 763   # The compiler can only warn and ignore the option if not recognized
 764   # So say no if there are warnings
 765     if test -s conftest.err; then
 766       echo "$ac_t"no 1>&6
 767       compiler_c_o=no
 768     else
 769       echo "$ac_t"yes 1>&6
 770       compiler_c_o=yes
 771     fi
 772 else
 773   # Append any errors to the config.log.
 774   cat conftest.err 1>&5
 775   compiler_c_o=no
 776   echo "$ac_t"no 1>&6
 777 fi
 778 CFLAGS="$save_CFLAGS"
 779 $rm conftest*
 780
 781 if test x"$compiler_c_o" = x"yes"; then
 782   # Check to see if we can write to a .lo
 783   echo $ac_n "checking if $compiler supports -c -o file.lo... $ac_c" 1>&6
 784   $rm conftest*
 785   echo "int some_variable = 0;" > conftest.c
 786   save_CFLAGS="$CFLAGS"
 787   CFLAGS="$CFLAGS -c -o conftest.lo"
 788   echo "$progname:788: checking if $compiler supports -c -o file.lo" >&5
 789 if { (eval echo $progname:789: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>conftest.err; } && test -s conftest.lo; then
 790
 791     # The compiler can only warn and ignore the option if not recognized
 792     # So say no if there are warnings
 793       if test -s conftest.err; then
 794         echo "$ac_t"no 1>&6
 795         compiler_o_lo=no
 796       else
 797         echo "$ac_t"yes 1>&6
 798         compiler_o_lo=yes
 799       fi
 800   else
 801     # Append any errors to the config.log.
 802     cat conftest.err 1>&5
 803     compiler_o_lo=no
 804     echo "$ac_t"no 1>&6
 805   fi
 806   CFLAGS="$save_CFLAGS"
 807   $rm conftest*
 808 else
 809   compiler_o_lo=no
 810 fi
 811
 812 # Check to see if we can do hard links to lock some files if needed
 813 hard_links="nottested"
 814 if test "$compiler_c_o" = no && test "$need_locks" != no; then
 815   # do not overwrite the value of need_locks provided by the user
 816   echo $ac_n "checking if we can lock with hard links... $ac_c" 1>&6
 817   hard_links=yes
 818   $rm conftest*
 819   ln conftest.a conftest.b 2>/dev/null && hard_links=no
 820   touch conftest.a
 821   ln conftest.a conftest.b 2>&5 || hard_links=no
 822   ln conftest.a conftest.b 2>/dev/null && hard_links=no
 823   echo "$ac_t$hard_links" 1>&6
 824   $rm conftest*
 825   if test "$hard_links" = no; then
 826     echo "*** WARNING: \`$CC' does not support \`-c -o', so \`make -j' may be unsafe" >&2
 827     need_locks=warn
 828   fi
 829 else
 830   need_locks=no
 831 fi
 832
 833 if test "$with_gcc" = yes; then
 834   # Check to see if options -fno-rtti -fno-exceptions are supported by compiler
 835   echo $ac_n "checking if $compiler supports -fno-rtti -fno-exceptions ... $ac_c" 1>&6
 836   $rm conftest*
 837   echo "int some_variable = 0;" > conftest.c
 838   save_CFLAGS="$CFLAGS"
 839   CFLAGS="$CFLAGS -fno-rtti -fno-exceptions -c conftest.c"
 840   echo "$progname:840: checking if $compiler supports -fno-rtti -fno-exceptions" >&5
 841   if { (eval echo $progname:841: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>conftest.err; } && test -s conftest.o; then
 842
 843     # The compiler can only warn and ignore the option if not recognized
 844     # So say no if there are warnings
 845       if test -s conftest.err; then
 846         echo "$ac_t"no 1>&6
 847         compiler_rtti_exceptions=no
 848       else
 849         echo "$ac_t"yes 1>&6
 850         compiler_rtti_exceptions=yes
 851       fi
 852   else
 853     # Append any errors to the config.log.
 854     cat conftest.err 1>&5
 855     compiler_rtti_exceptions=no
 856     echo "$ac_t"no 1>&6
 857   fi
 858   CFLAGS="$save_CFLAGS"
 859   $rm conftest*
 860
 861   if test "$compiler_rtti_exceptions" = "yes"; then
 862     no_builtin_flag=' -fno-builtin -fno-rtti -fno-exceptions'
 863   else
 864     no_builtin_flag=' -fno-builtin'
 865   fi
 866
 867 fi
 868
 869 # Check for any special shared library compilation flags.
 870 if test -n "$special_shlib_compile_flags"; then
 871   echo "$progname: warning: \`$CC' requires \`$special_shlib_compile_flags' to build shared libraries" 1>&2
 872   if echo "$old_CC $old_CFLAGS " | egrep -e "[  ]$special_shlib_compile_flags[  ]" >/dev/null; then :
 873   else
 874     echo "$progname: add \`$special_shlib_compile_flags' to the CC or CFLAGS env variable and reconfigure" 1>&2
 875     can_build_shared=no
 876   fi
 877 fi
 878
 879 echo $ac_n "checking if $compiler static flag $link_static_flag works... $ac_c" 1>&6
 880 $rm conftest*
 881 echo 'main(){return(0);}' > conftest.c
 882 save_LDFLAGS="$LDFLAGS"
 883 LDFLAGS="$LDFLAGS $link_static_flag"
 884 echo "$progname:884: checking if $compiler static flag $link_static_flag works" >&5
 885 if { (eval echo $progname:885: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
 886   echo "$ac_t$link_static_flag" 1>&6
 887 else
 888   echo "$ac_t"none 1>&6
 889   link_static_flag=
 890 fi
 891 LDFLAGS="$save_LDFLAGS"
 892 $rm conftest*
 893
 894 if test -z "$LN_S"; then
 895   # Check to see if we can use ln -s, or we need hard links.
 896   echo $ac_n "checking whether ln -s works... $ac_c" 1>&6
 897   $rm conftestdata
 898   if ln -s X conftestdata 2>/dev/null; then
 899     $rm conftestdata
 900     LN_S="ln -s"
 901   else
 902     LN_S=ln
 903   fi
 904   if test "$LN_S" = "ln -s"; then
 905     echo "$ac_t"yes 1>&6
 906   else
 907     echo "$ac_t"no 1>&6
 908   fi
 909 fi
 910
 911 # Make sure LD is an absolute path.
 912 if test -z "$LD"; then
 913   ac_prog=ld
 914   if test "$with_gcc" = yes; then
 915     # Check if gcc -print-prog-name=ld gives a path.
 916     echo $ac_n "checking for ld used by GCC... $ac_c" 1>&6
 917     echo "$progname:917: checking for ld used by GCC" >&5
 918     ac_prog=`($CC -print-prog-name=ld) 2>&5`
 919     case "$ac_prog" in
 920     # Accept absolute paths.
 921     /* | [A-Za-z]:[\\/]*)
 922       re_direlt='/[^/][^/]*/\.\./'
 923       # Canonicalize the path of ld
 924       ac_prog=`echo $ac_prog| sed 's%\\\\%/%g'`
 925       while echo $ac_prog | grep "$re_direlt" > /dev/null 2>&1; do
 926         ac_prog=`echo $ac_prog| sed "s%$re_direlt%/%"`
 927       done
 928       test -z "$LD" && LD="$ac_prog"
 929       ;;
 930     "")
 931       # If it fails, then pretend we are not using GCC.
 932       ac_prog=ld
 933       ;;
 934     *)
 935       # If it is relative, then search for the first ld in PATH.
 936       with_gnu_ld=unknown
 937       ;;
 938     esac
 939   elif test "$with_gnu_ld" = yes; then
 940     echo $ac_n "checking for GNU ld... $ac_c" 1>&6
 941     echo "$progname:941: checking for GNU ld" >&5
 942   else
 943     echo $ac_n "checking for non-GNU ld""... $ac_c" 1>&6
 944     echo "$progname:944: checking for non-GNU ld" >&5
 945   fi
 946
 947   if test -z "$LD"; then
 948     IFS="${IFS=         }"; ac_save_ifs="$IFS"; IFS="${IFS}${PATH_SEPARATOR}"
 949     for ac_dir in $PATH; do
 950       test -z "$ac_dir" && ac_dir=.
 951       if test -f "$ac_dir/$ac_prog"; then
 952         LD="$ac_dir/$ac_prog"
 953         # Check to see if the program is GNU ld.  I'd rather use --version,
 954         # but apparently some GNU ld's only accept -v.
 955         # Break only if it was the GNU/non-GNU ld that we prefer.
 956         if "$LD" -v 2>&1 < /dev/null | egrep '(GNU|with BFD)' > /dev/null; then
 957           test "$with_gnu_ld" != no && break
 958         else
 959           test "$with_gnu_ld" != yes && break
 960         fi
 961       fi
 962     done
 963     IFS="$ac_save_ifs"
 964   fi
 965
 966   if test -n "$LD"; then
 967     echo "$ac_t$LD" 1>&6
 968   else
 969     echo "$ac_t"no 1>&6
 970   fi
 971
 972   if test -z "$LD"; then
 973     echo "$progname: error: no acceptable ld found in \$PATH" 1>&2
 974     exit 1
 975   fi
 976 fi
 977
 978 # Check to see if it really is or is not GNU ld.
 979 echo $ac_n "checking if the linker ($LD) is GNU ld... $ac_c" 1>&6
 980 # I'd rather use --version here, but apparently some GNU ld's only accept -v.
 981 if $LD -v 2>&1 </dev/null | egrep '(GNU|with BFD)' 1>&5; then
 982   with_gnu_ld=yes
 983 else
 984   with_gnu_ld=no
 985 fi
 986 echo "$ac_t$with_gnu_ld" 1>&6
 987
 988 extra_compiler_flags=
 989 extra_compiler_flags_value=
 990 if test "$with_gcc" = yes; then
 991   extra_compiler_flags_value="-B|-b|-V"
 992   extra_compiler_flags="-B*|-b*|-V*"
 993   # Check to see what are the possible multilibing options
 994   echo $ac_n "checking what multilib options $compiler supports ... $ac_c" 1>&6
 995   multilibopts=
 996   if ${CC-cc} -print-multi-lib >/dev/null 2>&1; then
 997     for dir in `${CC-cc} -print-multi-lib 2>/dev/null`; do
 998       multilibopts="$multilibopts`echo $dir | sed -e 's/^[^;]*;//' -e 's/@/ -/g'`"
 999     done
1000   fi
1001   # Kill any whitespace at the beginning and end
1002   multilibopts=`echo $multilibopts`
1003   if test -n "$multilibopts"; then
1004     extra_compiler_flags="$extra_compiler_flags`echo $multilibopts | sed -e 's/ -/|-/g' -e 's/^-/|-/'`"
1005     echo "$ac_t$multilibopts" 1>&6
1006   else
1007     echo "$ac_t"none 1>&6
1008   fi
1009 fi
1010
1011 # See if the linker supports building shared libraries.
1012 echo $ac_n "checking whether the linker ($LD) supports shared libraries... $ac_c" 1>&6
1013
1014 allow_undefined_flag=
1015 no_undefined_flag=
1016 need_lib_prefix=unknown
1017 need_version=unknown
1018 # when you set need_version to no, make sure it does not cause -set_version
1019 # flags to be left without arguments
1020 archive_cmds=
1021 archive_expsym_cmds=
1022 old_archive_from_new_cmds=
1023 export_dynamic_flag_spec=
1024 whole_archive_flag_spec=
1025 thread_safe_flag_spec=
1026 hardcode_libdir_flag_spec=
1027 hardcode_libdir_separator=
1028 hardcode_direct=no
1029 hardcode_minus_L=no
1030 hardcode_shlibpath_var=unsupported
1031 runpath_var=
1032 always_export_symbols=no
1033 export_symbols_cmds='$NM $libobjs | $global_symbol_pipe | sed '\''s/.* //'\'' | sort | uniq > $export_symbols'
1034 # include_expsyms should be a list of space-separated symbols to be *always*
1035 # included in the symbol list
1036 include_expsyms=
1037 # exclude_expsyms can be an egrep regular expression of symbols to exclude
1038 # it will be wrapped by ` (' and `)$', so one must not match beginning or
1039 # end of line.  Example: `a|bc|.*d.*' will exclude the symbols `a' and `bc',
1040 # as well as any symbol that contains `d'.
1041 exclude_expsyms=
1042
1043 case "$host_os" in
1044 cygwin* | mingw*)
1045   # FIXME: the MSVC++ port hasn't been tested in a loooong time
1046   # When not using gcc, we currently assume that we are using
1047   # Microsoft Visual C++.
1048   if test "$with_gcc" != yes; then
1049     with_gnu_ld=no
1050   fi
1051   ;;
1052
1053 freebsd2* | sunos4*)
1054   exclude_expsyms="_GLOBAL_OFFSET_TABLE_"
1055   ;;
1056
1057 esac
1058
1059 ld_shlibs=yes
1060 if test "$with_gnu_ld" = yes; then
1061   # If archive_cmds runs LD, not CC, wlarc should be empty
1062   wlarc='${wl}'
1063
1064   # See if GNU ld supports shared libraries.
1065   case "$host_os" in
1066   aix3* | aix4*)
1067     # On AIX, the GNU linker is very broken
1068     ld_shlibs=no
1069     cat <<EOF 1>&2
1070
1071 *** Warning: the GNU linker, at least up to release 2.9.1, is reported
1072 *** to be unable to reliably create shared libraries on AIX.
1073 *** Therefore, libtool is disabling shared libraries support.  If you
1074 *** really care for shared libraries, you may want to modify your PATH
1075 *** so that a non-GNU linker is found, and then restart.
1076
1077 EOF
1078     ;;
1079
1080   amigaos*)
1081     archive_cmds='$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 $objdir && a2ixlibrary -32)'
1082     hardcode_libdir_flag_spec='-L$libdir'
1083     hardcode_minus_L=yes
1084     ;;
1085
1086   sunos4*)
1087     archive_cmds='$LD -assert pure-text -Bstatic -o $lib $libobjs $deplibs $linkopts'
1088     wlarc=
1089     hardcode_direct=yes
1090     hardcode_minus_L=yes
1091     hardcode_shlibpath_var=no
1092     ;;
1093
1094   beos*)
1095     if $LD --help 2>&1 | egrep ': supported targets:.* elf' > /dev/null; then
1096       archive_cmds='$CC -nostart $libobjs $deplibs $linkopts ${wl}-soname $wl$soname -o $lib'
1097     else
1098       ld_shlibs=no
1099     fi
1100     ;;
1101
1102   cygwin* | mingw*)
1103     # hardcode_libdir_flag_spec is actually meaningless, as there is
1104     # no search path for DLLs.
1105     hardcode_libdir_flag_spec='-L$libdir'
1106     allow_undefined_flag=unsupported
1107     always_export_symbols=yes
1108
1109     # Extract the symbol export list from an `--export-all' def file,
1110     # then regenerate the def file from the symbol export list, so that
1111     # the compiled dll only exports the symbol export list.
1112     export_symbols_cmds='rm -f $objdir/$soname-ltdll.c~
1113       sed -e "/^# \/\* ltdll.c starts here \*\//,/^# \/\* ltdll.c ends here \*\// { s/^# //; p; }" -e d < $0 > $objdir/$soname-ltdll.c~
1114       (cd $objdir && $CC -c $soname-ltdll.c)~
1115       $DLLTOOL --export-all --exclude-symbols DllMain@12,_cygwin_dll_entry@12,_cygwin_noncygwin_dll_entry@12 --output-def $objdir/$soname-def  $objdir/$soname-ltdll.$objext $libobjs~
1116       sed -e "1,/EXPORTS/d" -e "s/ @ [0-9]* ; *//" < $objdir/$soname-def > $export_symbols'
1117
1118     archive_expsym_cmds='echo EXPORTS > $objdir/$soname-def~
1119       _lt_hint=1;
1120       for symbol in `cat $export_symbols`; do
1121         echo "  \$symbol @ \$_lt_hint ; " >> $objdir/$soname-def;
1122         _lt_hint=`expr 1 + \$_lt_hint`;
1123       done~
1124       $CC -Wl,--base-file,$objdir/$soname-base -Wl,--dll -nostartfiles -Wl,-e,__cygwin_dll_entry@12 -o $lib $objdir/$soname-ltdll.$objext $libobjs $deplibs $linkopts~
1125       $DLLTOOL --as=$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~
1126       $CC -Wl,--base-file,$objdir/$soname-base $objdir/$soname-exp -Wl,--dll -nostartfiles -Wl,-e,__cygwin_dll_entry@12 -o $lib $objdir/$soname-ltdll.$objext $libobjs $deplibs $linkopts~
1127       $DLLTOOL --as=$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~
1128       $CC $objdir/$soname-exp -Wl,--dll -nostartfiles -Wl,-e,__cygwin_dll_entry@12 -o $lib $objdir/$soname-ltdll.$objext $libobjs $deplibs $linkopts'
1129
1130       old_archive_from_new_cmds='$DLLTOOL --as=$AS --dllname $soname --def $objdir/$soname-def --output-lib $objdir/$libname.a'
1131     ;;
1132
1133   *)
1134     if $LD --help 2>&1 | egrep ': supported targets:.* elf' > /dev/null; then
1135       archive_cmds='$CC -shared $libobjs $deplibs $compiler_flags $linkopts ${wl}-soname $wl$soname -o $lib'
1136       archive_expsym_cmds='$CC -shared $libobjs $deplibs $compiler_flags $linkopts ${wl}-soname $wl$soname ${wl}-retain-symbols-file $wl$export_symbols -o $lib'
1137     else
1138       ld_shlibs=no
1139     fi
1140     ;;
1141   esac
1142
1143   if test "$ld_shlibs" = yes; then
1144     runpath_var=LD_RUN_PATH
1145     hardcode_libdir_flag_spec='${wl}--rpath ${wl}$libdir'
1146     export_dynamic_flag_spec='${wl}--export-dynamic'
1147     whole_archive_flag_spec="$wlarc"'--whole-archive$convenience '"$wlarc"'--no-whole-archive'
1148   fi
1149 else
1150   # PORTME fill in a description of your system's linker (not GNU ld)
1151   case "$host_os" in
1152   aix3*)
1153     allow_undefined_flag=unsupported
1154     always_export_symbols=yes
1155     archive_expsym_cmds='$LD -o $objdir/$soname $libobjs $deplibs $linkopts -bE:$export_symbols -T512 -H512 -bM:SRE~$AR cru $lib $objdir/$soname'
1156     # Note: this linker hardcodes the directories in LIBPATH if there
1157     # are no directories specified by -L.
1158     hardcode_minus_L=yes
1159     if test "$with_gcc" = yes && test -z "$link_static_flag"; then
1160       # Neither direct hardcoding nor static linking is supported with a
1161       # broken collect2.
1162       hardcode_direct=unsupported
1163     fi
1164     ;;
1165
1166   aix4*)
1167     allow_undefined_flag=
1168     if test "$with_gcc" = yes; then
1169       if strings `${CC} -print-prog-name=collect2` | \
1170          grep resolve_lib_name >/dev/null
1171       then
1172         # We have reworked collect2
1173         hardcode_direct=yes
1174       else
1175         # We have old collect2
1176         hardcode_direct=unsupported
1177       fi
1178       archive_cmds='$CC -shared ${wl}-bnoentry -o $objdir/$soname $libobjs $deplibs $linkopts'
1179     else
1180       always_export_symbols=yes
1181       archive_expsym_cmds='$CC -o $objdir/$soname $libobjs $deplibs $linkopts ${wl}-bE:$export_symbols ${wl}-bM:SRE ${wl}-bnoentry'
1182       hardcode_direct=yes
1183     fi
1184     hardcode_minus_L=yes
1185     # Though LIBPATH variable hardcodes shlibpath into executable,
1186     # it doesn't affect searching for -l* libraries; this confuses
1187     # tests in mdemo.
1188     hardcode_shlibpath_var=unsupported
1189     hardcode_libdir_flag_spec='-L$libdir'
1190    ;;
1191
1192   amigaos*)
1193     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 $objdir && a2ixlibrary -32)'
1194     hardcode_libdir_flag_spec='-L$libdir'
1195     hardcode_minus_L=yes
1196     ;;
1197
1198   cygwin* | mingw*)
1199     # When not using gcc, we currently assume that we are using
1200     # Microsoft Visual C++.
1201     # hardcode_libdir_flag_spec is actually meaningless, as there is
1202     # no search path for DLLs.
1203     hardcode_libdir_flag_spec=' '
1204     allow_undefined_flag=unsupported
1205     # Tell ltmain to make .lib files, not .a files.
1206     libext=lib
1207     # FIXME: Setting linknames here is a bad hack.
1208     archive_cmds='$CC -o $lib $libobjs $linkopts `echo "$deplibs" | sed -e '\''s/ -lc$//'\''` -link -dll~linknames='
1209     # The linker will automatically build a .lib file if we build a DLL.
1210     old_archive_from_new_cmds='true'
1211     # FIXME: Should let the user specify the lib program.
1212     old_archive_cmds='lib /OUT:$oldlib$oldobjs'
1213     fix_srcfile_path='`cygpath -w $srcfile`'
1214     ;;
1215
1216   freebsd1*)
1217     ld_shlibs=no
1218     can_build_shared=no
1219     ;;
1220
1221   # FreeBSD 2.2.[012] allows us to include c++rt0.o to get C++ constructor
1222   # support.  Future versions do this automatically, but an explicit c++rt0.o
1223   # does not break anything, and helps significantly (at the cost of a little
1224   # extra space).
1225   freebsd2.2*)
1226     archive_cmds='$LD -Bshareable -o $lib $libobjs $deplibs $linkopts /usr/lib/c++rt0.o'
1227     hardcode_libdir_flag_spec='-R$libdir'
1228     hardcode_direct=yes
1229     hardcode_minus_L=no # verified on 2.2.6
1230     hardcode_shlibpath_var=no
1231     ;;
1232
1233   # Unfortunately, older versions of FreeBSD 2 do not have this feature.
1234   freebsd2*)
1235     archive_cmds='$LD -Bshareable -o $lib $libobjs $deplibs $linkopts'
1236     hardcode_direct=yes
1237     hardcode_minus_L=yes
1238     hardcode_shlibpath_var=no
1239     ;;
1240
1241   # FreeBSD 3 and greater uses gcc -shared to do shared libraries.
1242   freebsd*)
1243     archive_cmds='$CC -shared -o $lib $libobjs $deplibs $compiler_flags $linkopts'
1244     hardcode_libdir_flag_spec='-R$libdir'
1245     hardcode_direct=yes
1246     hardcode_minus_L=no
1247     hardcode_shlibpath_var=no
1248     ;;
1249
1250   hpux9*)
1251     archive_cmds='$rm $objdir/$soname~$LD -b +s +b $install_libdir -o $objdir/$soname $libobjs $deplibs $linkopts~test $objdir/$soname = $lib || mv $objdir/$soname $lib'
1252     hardcode_libdir_flag_spec='${wl}+b ${wl}$libdir'
1253     hardcode_direct=yes
1254     hardcode_minus_L=yes
1255     export_dynamic_flag_spec='${wl}-E'
1256     ;;
1257
1258   hpux10* | hpux11*)
1259     archive_cmds='$LD -b +h $soname +s +b $install_libdir -o $lib $libobjs $deplibs $linkopts'
1260     hardcode_libdir_flag_spec='${wl}+b ${wl}$libdir'
1261     hardcode_direct=yes
1262     hardcode_minus_L=yes
1263     export_dynamic_flag_spec='${wl}-E'
1264     ;;
1265
1266   irix5* | irix6*)
1267     if test "$with_gcc" = yes; then
1268       archive_cmds='$CC -shared $libobjs $deplibs $compiler_flags $linkopts ${wl}-soname ${wl}$soname `test -n "$verstring" && echo ${wl}-set_version ${wl}$verstring` -o $lib'
1269     else
1270       archive_cmds='$LD -shared $libobjs $deplibs $compiler_flags $linkopts -soname $soname `test -n "$verstring" && echo -set_version $verstring` -o $lib'
1271     fi
1272     hardcode_libdir_flag_spec='${wl}-rpath ${wl}$libdir'
1273     hardcode_libdir_separator=:
1274     ;;
1275
1276   netbsd*)
1277     if echo __ELF__ | $CC -E - | grep __ELF__ >/dev/null; then
1278       archive_cmds='$LD -Bshareable -o $lib $libobjs $deplibs $linkopts'  # a.out
1279     else
1280       archive_cmds='$LD -shared -o $lib $libobjs $deplibs $linkopts'      # ELF
1281     fi
1282     hardcode_libdir_flag_spec='${wl}-R$libdir'
1283     hardcode_direct=yes
1284     hardcode_shlibpath_var=no
1285     ;;
1286
1287   openbsd*)
1288     archive_cmds='$LD -Bshareable -o $lib $libobjs $deplibs $linkopts'
1289     hardcode_libdir_flag_spec='-R$libdir'
1290     hardcode_direct=yes
1291     hardcode_shlibpath_var=no
1292     ;;
1293
1294   os2*)
1295     hardcode_libdir_flag_spec='-L$libdir'
1296     hardcode_minus_L=yes
1297     allow_undefined_flag=unsupported
1298     archive_cmds='$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'
1299     old_archive_from_new_cmds='emximp -o $objdir/$libname.a $objdir/$libname.def'
1300     ;;
1301
1302   osf3* | osf4*)
1303     if test "$with_gcc" = yes; then
1304       allow_undefined_flag=' ${wl}-expect_unresolved ${wl}\*'
1305       archive_cmds='$CC -shared${allow_undefined_flag} $libobjs $deplibs $compiler_flags $linkopts ${wl}-soname ${wl}$soname `test -n "$verstring" && echo ${wl}-set_version ${wl}$verstring` -o $lib'
1306     else
1307       allow_undefined_flag=' -expect_unresolved \*'
1308       archive_cmds='$LD -shared${allow_undefined_flag} $libobjs $deplibs $linkopts -soname $soname `test -n "$verstring" && echo -set_version $verstring` -o $lib'
1309     fi
1310     hardcode_libdir_flag_spec='${wl}-rpath ${wl}$libdir'
1311     hardcode_libdir_separator=:
1312     ;;
1313
1314   sco3.2v5*)
1315     archive_cmds='$LD -G -o $lib $libobjs $deplibs $linkopts'
1316     hardcode_direct=yes
1317     ;;
1318
1319   solaris*)
1320     no_undefined_flag=' -z text'
1321     # $CC -shared without GNU ld will not create a library from C++
1322     # object files and a static libstdc++, better avoid it by now
1323     archive_cmds='$LD -G${allow_undefined_flag} -h $soname -o $lib $libobjs $deplibs $linkopts'
1324     archive_expsym_cmds='$echo "{ global:" > $lib.exp~cat $export_symbols | sed -e "s/\(.*\)/\1;/" >> $lib.exp~$echo "local: *; };" >> $lib.exp~
1325                 $LD -G${allow_undefined_flag} -M $lib.exp -h $soname -o $lib $libobjs $deplibs $linkopts~$rm $lib.exp'
1326     hardcode_libdir_flag_spec='-R$libdir'
1327     hardcode_shlibpath_var=no
1328     ;;
1329
1330   sunos4*)
1331     # Why do we need -Bstatic?  To avoid inter-library dependencies, maybe...
1332     if test "$with_gcc" = yes; then
1333       # Use -fPIC here because libgcc is multilibbed
1334       archive_cmds='$CC -shared ${wl}-Bstatic -fPIC -o $lib $libobjs $deplibs $linkopts'
1335     else
1336       archive_cmds='$LD -assert pure-text -Bstatic -o $lib $libobjs $deplibs $linkopts'
1337     fi
1338     hardcode_libdir_flag_spec='-L$libdir'
1339     hardcode_direct=yes
1340     hardcode_minus_L=yes
1341     hardcode_shlibpath_var=no
1342     ;;
1343
1344   sysv4.3*)
1345     archive_cmds='$LD -G -h $soname -o $lib $libobjs $deplibs $linkopts'
1346     hardcode_direct=no
1347     hardcode_minus_L=no
1348     hardcode_shlibpath_var=no
1349     export_dynamic_flag_spec='-Bexport'
1350     ;;
1351
1352   uts4*)
1353     archive_cmds='$LD -G -h $soname -o $lib $libobjs $deplibs $linkopts'
1354     hardcode_libdir_flag_spec='-L$libdir'
1355     hardcode_direct=no
1356     hardcode_minus_L=no
1357     hardcode_shlibpath_var=no
1358     ;;
1359
1360   dgux*)
1361     archive_cmds='$LD -G -h $soname -o $lib $libobjs $deplibs $linkopts'
1362     hardcode_libdir_flag_spec='-L$libdir'
1363     hardcode_direct=no
1364     hardcode_minus_L=no
1365     hardcode_shlibpath_var=no
1366     ;;
1367
1368   *)
1369     ld_shlibs=no
1370     can_build_shared=no
1371     ;;
1372   esac
1373 fi
1374 echo "$ac_t$ld_shlibs" 1>&6
1375
1376 if test -z "$NM"; then
1377   echo $ac_n "checking for BSD-compatible nm... $ac_c" 1>&6
1378   case "$NM" in
1379   /* | [A-Za-z]:[/\\]*) ;; # Let the user override the test with a path.
1380   *)
1381     IFS="${IFS=         }"; ac_save_ifs="$IFS"; IFS="${IFS}${PATH_SEPARATOR}"
1382     for ac_dir in $PATH /usr/ucb /usr/ccs/bin /bin; do
1383       test -z "$ac_dir" && ac_dir=.
1384       if test -f $ac_dir/nm; then
1385         # Check to see if the nm accepts a BSD-compat flag.
1386         # Adding the `sed 1q' prevents false positives on HP-UX, which says:
1387         #   nm: unknown option "B" ignored
1388         if ($ac_dir/nm -B /dev/null 2>&1 | sed '1q'; exit 0) | egrep /dev/null >/dev/null; then
1389           NM="$ac_dir/nm -B"
1390           break
1391         elif ($ac_dir/nm -p /dev/null 2>&1 | sed '1q'; exit 0) | egrep /dev/null >/dev/null; then
1392           NM="$ac_dir/nm -p"
1393           break
1394         else
1395           NM=${NM="$ac_dir/nm"} # keep the first match, but
1396           continue # so that we can try to find one that supports BSD flags
1397         fi
1398       fi
1399     done
1400     IFS="$ac_save_ifs"
1401     test -z "$NM" && NM=nm
1402     ;;
1403   esac
1404   echo "$ac_t$NM" 1>&6
1405 fi
1406
1407 # Check for command to grab the raw symbol name followed by C symbol from nm.
1408 echo $ac_n "checking command to parse $NM output... $ac_c" 1>&6
1409
1410 # These are sane defaults that work on at least a few old systems.
1411 # [They come from Ultrix.  What could be older than Ultrix?!! ;)]
1412
1413 # Character class describing NM global symbol codes.
1414 symcode='[BCDEGRST]'
1415
1416 # Regexp to match symbols that can be accessed directly from C.
1417 sympat='\([_A-Za-z][_A-Za-z0-9]*\)'
1418
1419 # Transform the above into a raw symbol and a C symbol.
1420 symxfrm='\1 \2\3 \3'
1421
1422 # Transform an extracted symbol line into a proper C declaration
1423 global_symbol_to_cdecl="sed -n -e 's/^. .* \(.*\)$/extern char \1;/p'"
1424
1425 # Define system-specific variables.
1426 case "$host_os" in
1427 aix*)
1428   symcode='[BCDT]'
1429   ;;
1430 cygwin* | mingw*)
1431   symcode='[ABCDGISTW]'
1432   ;;
1433 hpux*) # Its linker distinguishes data from code symbols
1434   global_symbol_to_cdecl="sed -n -e 's/^T .* \(.*\)$/extern char \1();/p' -e 's/^. .* \(.*\)$/extern char \1;/p'"
1435   ;;
1436 irix*)
1437   symcode='[BCDEGRST]'
1438   ;;
1439 solaris*)
1440   symcode='[BDT]'
1441   ;;
1442 esac
1443
1444 # If we're using GNU nm, then use its standard symbol codes.
1445 if $NM -V 2>&1 | egrep '(GNU|with BFD)' > /dev/null; then
1446   symcode='[ABCDGISTW]'
1447 fi
1448
1449 # Try without a prefix undercore, then with it.
1450 for ac_symprfx in "" "_"; do
1451
1452   # Write the raw and C identifiers.
1453   global_symbol_pipe="sed -n -e 's/^.*[         ]\($symcode\)[  ][      ]*\($ac_symprfx\)$sympat$/$symxfrm/p'"
1454
1455   # Check to see that the pipe works correctly.
1456   pipe_works=no
1457   $rm conftest*
1458   cat > conftest.c <<EOF
1459 #ifdef __cplusplus
1460 extern "C" {
1461 #endif
1462 char nm_test_var;
1463 void nm_test_func(){}
1464 #ifdef __cplusplus
1465 }
1466 #endif
1467 main(){nm_test_var='a';nm_test_func();return(0);}
1468 EOF
1469
1470   echo "$progname:1447: checking if global_symbol_pipe works" >&5
1471   if { (eval echo $progname:1448: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; } && test -s conftest.$objext; then
1472     # Now try to grab the symbols.
1473     nlist=conftest.nm
1474     if { echo "$progname:1451: eval \"$NM conftest.$objext | $global_symbol_pipe > $nlist\"" >&5; eval "$NM conftest.$objext | $global_symbol_pipe > $nlist 2>&5"; } && test -s "$nlist"; then
1475
1476       # Try sorting and uniquifying the output.
1477       if sort "$nlist" | uniq > "$nlist"T; then
1478         mv -f "$nlist"T "$nlist"
1479       else
1480         rm -f "$nlist"T
1481       fi
1482
1483       # Make sure that we snagged all the symbols we need.
1484       if egrep ' nm_test_var$' "$nlist" >/dev/null; then
1485         if egrep ' nm_test_func$' "$nlist" >/dev/null; then
1486           cat <<EOF > conftest.c
1487 #ifdef __cplusplus
1488 extern "C" {
1489 #endif
1490
1491 EOF
1492           # Now generate the symbol file.
1493           eval "$global_symbol_to_cdecl"' < "$nlist" >> conftest.c'
1494
1495           cat <<EOF >> conftest.c
1496 #if defined (__STDC__) && __STDC__
1497 # define lt_ptr_t void *
1498 #else
1499 # define lt_ptr_t char *
1500 # define const
1501 #endif
1502
1503 /* The mapping between symbol names and symbols. */
1504 const struct {
1505   const char *name;
1506   lt_ptr_t address;
1507 }
1508 lt_preloaded_symbols[] =
1509 {
1510 EOF
1511           sed 's/^. \(.*\) \(.*\)$/  {"\2", (lt_ptr_t) \&\2},/' < "$nlist" >> conftest.c
1512           cat <<\EOF >> conftest.c
1513   {0, (lt_ptr_t) 0}
1514 };
1515
1516 #ifdef __cplusplus
1517 }
1518 #endif
1519 EOF
1520           # Now try linking the two files.
1521           mv conftest.$objext conftestm.$objext
1522           save_LIBS="$LIBS"
1523           save_CFLAGS="$CFLAGS"
1524           LIBS="conftestm.$objext"
1525           CFLAGS="$CFLAGS$no_builtin_flag"
1526           if { (eval echo $progname:1503: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
1527             pipe_works=yes
1528           else
1529             echo "$progname: failed program was:" >&5
1530             cat conftest.c >&5
1531           fi
1532           LIBS="$save_LIBS"
1533         else
1534           echo "cannot find nm_test_func in $nlist" >&5
1535         fi
1536       else
1537         echo "cannot find nm_test_var in $nlist" >&5
1538       fi
1539     else
1540       echo "cannot run $global_symbol_pipe" >&5
1541     fi
1542   else
1543     echo "$progname: failed program was:" >&5
1544     cat conftest.c >&5
1545   fi
1546   $rm conftest*
1547
1548   # Do not use the global_symbol_pipe unless it works.
1549   if test "$pipe_works" = yes; then
1550     break
1551   else
1552     global_symbol_pipe=
1553   fi
1554 done
1555 echo "$ac_t$pipe_works" 1>&6
1556
1557 if test -z "$global_symbol_pipe"; then
1558   global_symbol_to_cdecl=
1559 fi
1560
1561 # Check hardcoding attributes.
1562 echo $ac_n "checking how to hardcode library paths into programs... $ac_c" 1>&6
1563 hardcode_action=
1564 if test -n "$hardcode_libdir_flag_spec" || \
1565    test -n "$runpath_var"; then
1566
1567   # We can hardcode non-existant directories.
1568   if test "$hardcode_direct" != no && \
1569      test "$hardcode_minus_L" != no && \
1570      test "$hardcode_shlibpath_var" != no; then
1571
1572     # Linking always hardcodes the temporary library directory.
1573     hardcode_action=relink
1574   else
1575     # We can link without hardcoding, and we can hardcode nonexisting dirs.
1576     hardcode_action=immediate
1577   fi
1578 else
1579   # We cannot hardcode anything, or else we can only hardcode existing
1580   # directories.
1581   hardcode_action=unsupported
1582 fi
1583 echo "$ac_t$hardcode_action" 1>&6
1584
1585
1586 reload_flag=
1587 reload_cmds='$LD$reload_flag -o $output$reload_objs'
1588 echo $ac_n "checking for $LD option to reload object files... $ac_c" 1>&6
1589 # PORTME Some linkers may need a different reload flag.
1590 reload_flag='-r'
1591 echo "$ac_t$reload_flag" 1>&6
1592 test -n "$reload_flag" && reload_flag=" $reload_flag"
1593
1594 # PORTME Fill in your ld.so characteristics
1595 library_names_spec=
1596 libname_spec='lib$name'
1597 soname_spec=
1598 postinstall_cmds=
1599 postuninstall_cmds=
1600 finish_cmds=
1601 finish_eval=
1602 shlibpath_var=
1603 shlibpath_overrides_runpath=unknown
1604 version_type=none
1605 dynamic_linker="$host_os ld.so"
1606 sys_lib_dlsearch_path_spec="/lib /usr/lib"
1607 sys_lib_search_path_spec="/lib /usr/lib /usr/local/lib"
1608 file_magic_cmd=
1609 file_magic_test_file=
1610 deplibs_check_method='unknown'
1611 # Need to set the preceding variable on all platforms that support
1612 # interlibrary dependencies.
1613 # 'none' -- dependencies not supported.
1614 # `unknown' -- same as none, but documents that we really don't know.
1615 # 'pass_all' -- all dependencies passed with no checks.
1616 # 'test_compile' -- check by making test program.
1617 # 'file_magic [regex]' -- check by looking for files in library path
1618 # which responds to the $file_magic_cmd with a given egrep regex.
1619 # If you have `file' or equivalent on your system and you're not sure
1620 # whether `pass_all' will *always* work, you probably want this one.
1621 echo $ac_n "checking dynamic linker characteristics... $ac_c" 1>&6
1622 case "$host_os" in
1623 aix3*)
1624   version_type=linux
1625   library_names_spec='${libname}${release}.so$versuffix $libname.a'
1626   shlibpath_var=LIBPATH
1627
1628   # AIX has no versioning support, so we append a major version to the name.
1629   soname_spec='${libname}${release}.so$major'
1630   ;;
1631
1632 aix4*)
1633   version_type=linux
1634   # AIX has no versioning support, so currently we can not hardcode correct
1635   # soname into executable. Probably we can add versioning support to
1636   # collect2, so additional links can be useful in future.
1637   # We preserve .a as extension for shared libraries though AIX4.2
1638   # and later linker supports .so
1639   library_names_spec='${libname}${release}.so$versuffix ${libname}${release}.so$major $libname.a'
1640   shlibpath_var=LIBPATH
1641   deplibs_check_method=pass_all
1642   ;;
1643
1644 amigaos*)
1645   library_names_spec='$libname.ixlibrary $libname.a'
1646   # Create ${libname}_ixlibrary.a entries in /sys/libs.
1647   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 ${libname}_ixlibrary.a) || exit 1; done'
1648   ;;
1649
1650 beos*)
1651   library_names_spec='${libname}.so'
1652   dynamic_linker="$host_os ld.so"
1653   shlibpath_var=LIBRARY_PATH
1654   ;;
1655
1656 bsdi4*)
1657   version_type=linux
1658   library_names_spec='${libname}.so$major ${libname}.so'
1659   soname_spec='${libname}.so'
1660   finish_cmds='PATH="$PATH:/sbin" ldconfig $libdir'
1661   shlibpath_var=LD_LIBRARY_PATH
1662   deplibs_check_method='file_magic ELF 32-bit LSB shared object'
1663   file_magic_cmd=/usr/bin/file
1664   file_magic_test_file=/shlib/libc.so
1665   sys_lib_search_path_spec="/shlib /usr/lib /usr/X11/lib /usr/contrib/lib /lib /usr/local/lib"
1666   sys_lib_dlsearch_path_spec="/shlib /usr/lib /usr/local/lib"
1667   # the default ld.so.conf also contains /usr/contrib/lib and
1668   # /usr/X11R6/lib (/usr/X11 is a link to /usr/X11R6), but let us allow
1669   # libtool to hard-code these into programs
1670   ;;
1671
1672 cygwin* | mingw*)
1673   version_type=windows
1674   if test "$with_gcc" = yes; then
1675     library_names_spec='${libname}`echo ${release} | sed -e 's/[.]/-/g'`${versuffix}.dll $libname.a'
1676   else
1677     library_names_spec='${libname}`echo ${release} | sed -e 's/[.]/-/g'`${versuffix}.dll $libname.lib'
1678   fi
1679   dynamic_linker='Win32 ld.exe'
1680   deplibs_check_method='file_magic file format pei*-i386.*architecture: i386'
1681   file_magic_cmd='objdump -f'
1682   need_lib_prefix=no
1683   # FIXME: first we should search . and the directory the executable is in
1684   shlibpath_var=PATH
1685   ;;
1686
1687 freebsd1*)
1688   dynamic_linker=no
1689   ;;
1690
1691 freebsd*)
1692   objformat=`test -x /usr/bin/objformat && /usr/bin/objformat || echo aout`
1693   version_type=freebsd-$objformat
1694   case "$version_type" in
1695     freebsd-elf*)
1696       deplibs_check_method='file_magic ELF [0-9][0-9]*-bit [LM]SB shared object'
1697       file_magic_cmd=/usr/bin/file
1698       file_magic_test_file=`echo /usr/lib/libc.so*`
1699       library_names_spec='${libname}${release}.so$versuffix ${libname}${release}.so $libname.so'
1700       need_version=no
1701       need_lib_prefix=no
1702       ;;
1703     freebsd-*)
1704       deplibs_check_method=unknown
1705       library_names_spec='${libname}${release}.so$versuffix $libname.so$versuffix'
1706       need_version=yes
1707       ;;
1708   esac
1709   finish_cmds='PATH="$PATH:/sbin" OBJFORMAT="'"$objformat"'" ldconfig -m $libdir'
1710   shlibpath_var=LD_LIBRARY_PATH
1711   ;;
1712
1713 gnu*)
1714   version_type=linux
1715   library_names_spec='${libname}${release}.so$versuffix ${libname}.so'
1716   shlibpath_var=LD_LIBRARY_PATH
1717   ;;
1718
1719 hpux9* | hpux10* | hpux11*)
1720   # Give a soname corresponding to the major version so that dld.sl refuses to
1721   # link against other versions.
1722   dynamic_linker="$host_os dld.sl"
1723   version_type=sunos
1724   need_lib_prefix=no
1725   need_version=no
1726   shlibpath_var=SHLIB_PATH
1727   library_names_spec='${libname}${release}.sl$versuffix ${libname}${release}.sl$major $libname.sl'
1728   soname_spec='${libname}${release}.sl$major'
1729   # HP-UX runs *really* slowly unless shared libraries are mode 555.
1730   postinstall_cmds='chmod 555 $lib'
1731   ;;
1732
1733 irix5*)
1734   version_type=irix
1735   soname_spec='${libname}${release}.so'
1736   library_names_spec='${libname}${release}.so$versuffix ${libname}${release}.so $libname.so'
1737   shlibpath_var=LD_LIBRARY_PATH
1738   deplibs_check_method="file_magic ELF 32-bit MSB dynamic lib MIPS - version 1" # or should it be pass_all?
1739   file_magic_cmd=/usr/bin/file
1740   file_magic_test_file=`echo /lib/libc.so*`
1741   shlibpath_overrides_runpath=no
1742   ;;
1743
1744 irix6*)
1745   version_type=irix
1746   need_lib_prefix=no
1747   need_version=no
1748   soname_spec='${libname}${release}.so'
1749   library_names_spec='${libname}${release}.so$versuffix ${libname}${release}.so $libname.so'
1750   case "$LD" in # libtool.m4 will add one of these switches to LD
1751   *-32|*"-32 ") libsuff= shlibsuff= libmagic=32-bit;;
1752   *-n32|*"-n32 ") libsuff=32 shlibsuff=N32 libmagic=N32;;
1753   *-64|*"-64 ") libsuff=64 shlibsuff=64 libmagic=64-bit;;
1754   *) libsuff= shlibsuff= libmagic=never-match;;
1755   esac
1756   shlibpath_var=LD_LIBRARY${shlibsuff}_PATH
1757   shlibpath_overrides_runpath=no
1758   # even though /usr/local/lib is always searched, the man-page says
1759   # shared libraries should not be installed there if they use an ABI
1760   # different from -32, so we'd better not search for shared libraries
1761   # there either
1762   sys_lib_search_path_spec="/lib${libsuff} /usr/lib${libsuff} /usr/local/lib${libsuff}"
1763   sys_lib_dlsearch_path_spec="/lib${libsuff} /usr/lib${libsuff} /usr/local/lib${libsuff}"
1764   deplibs_check_method="file_magic ELF ${libmagic} MSB mips-[1234] dynamic lib MIPS - version 1" # or should it be pass_all?
1765   file_magic_cmd=/usr/bin/file
1766   file_magic_test_file=`echo /lib${libsuff}/libc.so*`
1767   ;;
1768
1769 # No shared lib support for Linux oldld, aout, or coff.
1770 linux-gnuoldld* | linux-gnuaout* | linux-gnucoff*)
1771   dynamic_linker=no
1772   ;;
1773
1774 # This must be Linux ELF.
1775 linux-gnu*)
1776   version_type=linux
1777   need_lib_prefix=no
1778   need_version=no
1779   library_names_spec='${libname}${release}.so$versuffix ${libname}${release}.so$major $libname.so'
1780   soname_spec='${libname}${release}.so$major'
1781   finish_cmds='PATH="$PATH:/sbin" ldconfig -n $libdir'
1782   shlibpath_var=LD_LIBRARY_PATH
1783   shlibpath_overrides_runpath=no
1784   deplibs_check_method='file_magic ELF [0-9][0-9]*-bit [LM]SB (shared object|dynamic lib )'
1785   file_magic_cmd=/usr/bin/file
1786   file_magic_test_file=`echo /lib/libc.so* /lib/libc-*.so`
1787
1788   if test -f /lib/ld.so.1; then
1789     dynamic_linker='GNU ld.so'
1790   else
1791     # Only the GNU ld.so supports shared libraries on MkLinux.
1792     case "$host_cpu" in
1793     powerpc*) dynamic_linker=no ;;
1794     *) dynamic_linker='Linux ld.so' ;;
1795     esac
1796   fi
1797   case "$host_cpu" in
1798   sparc64)
1799     libsuff=64
1800     sys_lib_search_path_spec="/lib${libsuff} /usr/lib${libsuff} /usr/local/lib${libsuff}"
1801     sys_lib_dlsearch_path_spec="/lib${libsuff} /usr/lib${libsuff}"
1802     ;;
1803   esac
1804   ;;
1805
1806 netbsd*)
1807   version_type=sunos
1808   if echo __ELF__ | $CC -E - | grep __ELF__ >/dev/null; then
1809     library_names_spec='${libname}${release}.so$versuffix ${libname}.so$versuffix'
1810     finish_cmds='PATH="$PATH:/sbin" ldconfig -m $libdir'
1811     dynamic_linker='NetBSD (a.out) ld.so'
1812   else
1813     library_names_spec='${libname}${release}.so$versuffix ${libname}${release}.so$major ${libname}${release}.so ${libname}.so'
1814     soname_spec='${libname}${release}.so$major'
1815     dynamic_linker='NetBSD ld.elf_so'
1816   fi
1817   shlibpath_var=LD_LIBRARY_PATH
1818   ;;
1819
1820 openbsd*)
1821   version_type=sunos
1822   if test "$with_gnu_ld" = yes; then
1823     need_lib_prefix=no
1824     need_version=no
1825   fi
1826   library_names_spec='${libname}${release}.so$versuffix ${libname}.so$versuffix'
1827   finish_cmds='PATH="\$PATH:/sbin" ldconfig -m $libdir'
1828   shlibpath_var=LD_LIBRARY_PATH
1829   ;;
1830
1831 os2*)
1832   libname_spec='$name'
1833   need_lib_prefix=no
1834   library_names_spec='$libname.dll $libname.a'
1835   dynamic_linker='OS/2 ld.exe'
1836   shlibpath_var=LIBPATH
1837   ;;
1838
1839 osf3* | osf4*)
1840   version_type=osf
1841   soname_spec='${libname}${release}.so'
1842   library_names_spec='${libname}${release}.so$versuffix ${libname}${release}.so $libname.so'
1843   shlibpath_var=LD_LIBRARY_PATH
1844   # deplibs_check_method='pass_all'
1845   # Although pass_all appears to work, it copies symbols from static libraries
1846   # into shared ones and exports them.  So, when a program is linked with two
1847   # or more libraries that have got copies of the same symbols, link fails
1848   # This was only tested on osf4:
1849   deplibs_check_method='file_magic COFF format alpha shared library'
1850   file_magic_cmd=/usr/bin/file
1851   file_magic_test_file=/shlib/libc.so
1852   sys_lib_search_path_spec="/usr/shlib /usr/ccs/lib /usr/lib/cmplrs/cc /usr/lib /usr/local/lib /var/shlib"
1853   sys_lib_dlsearch_path_spec="$sys_lib_search_path_spec"
1854   ;;
1855
1856 sco3.2v5*)
1857   version_type=osf
1858   soname_spec='${libname}${release}.so$major'
1859   library_names_spec='${libname}${release}.so$versuffix ${libname}${release}.so$major $libname.so'
1860   shlibpath_var=LD_LIBRARY_PATH
1861   ;;
1862
1863 solaris*)
1864   version_type=linux
1865   need_lib_prefix=no
1866   need_version=no
1867   library_names_spec='${libname}${release}.so$versuffix ${libname}${release}.so$major $libname.so'
1868   soname_spec='${libname}${release}.so$major'
1869   shlibpath_var=LD_LIBRARY_PATH
1870   shlibpath_overrides_runpath=yes
1871   # ldd complains unless libraries are executable
1872   postinstall_cmds='chmod +x $lib'
1873   deplibs_check_method="file_magic ELF [0-9][0-9]-bit [LM]SB dynamic lib"
1874   file_magic_cmd=/usr/bin/file
1875   file_magic_test_file=/lib/libc.so
1876   ;;
1877
1878 sunos4*)
1879   version_type=sunos
1880   library_names_spec='${libname}${release}.so$versuffix ${libname}.so$versuffix'
1881   finish_cmds='PATH="\$PATH:/usr/etc" ldconfig $libdir'
1882   shlibpath_var=LD_LIBRARY_PATH
1883   shlibpath_overrides_runpath=yes
1884   if test "$with_gnu_ld" = yes; then
1885     need_lib_prefix=no
1886   fi
1887   need_version=yes
1888   ;;
1889
1890 sysv4.2uw2* | sysv4.3* | sysv5*)
1891   version_type=linux
1892   library_names_spec='${libname}${release}.so$versuffix ${libname}${release}.so$major $libname.so'
1893   soname_spec='${libname}${release}.so$major'
1894   shlibpath_var=LD_LIBRARY_PATH
1895   case "$host_vendor" in
1896     ncr)
1897       deplibs_check_method='pass_all'
1898       ;;
1899   esac
1900   ;;
1901
1902 uts4*)
1903   version_type=linux
1904   library_names_spec='${libname}${release}.so$versuffix ${libname}${release}.so$major $libname.so'
1905   soname_spec='${libname}${release}.so$major'
1906   shlibpath_var=LD_LIBRARY_PATH
1907   ;;
1908
1909 dgux*)
1910   version_type=linux
1911   need_lib_prefix=no
1912   need_version=no
1913   library_names_spec='${libname}${release}.so$versuffix ${libname}${release}.so$major $libname.so'
1914   soname_spec='${libname}${release}.so$major'
1915   shlibpath_var=LD_LIBRARY_PATH
1916   ;;
1917
1918 *)
1919   dynamic_linker=no
1920   ;;
1921 esac
1922 echo "$ac_t$dynamic_linker" 1>&6
1923 test "$dynamic_linker" = no && can_build_shared=no
1924
1925 # Report the final consequences.
1926 echo "checking if libtool supports shared libraries... $can_build_shared" 1>&6
1927
1928 if test -n "$file_magic_test_file" && test -n "$file_magic_cmd"; then
1929   case "$deplibs_check_method" in
1930   "file_magic "*)
1931     file_magic_regex="`expr \"$deplibs_check_method\" : \"file_magic \(.*\)\"`"
1932     if eval $file_magic_cmd \$file_magic_test_file 2> /dev/null |
1933        egrep "$file_magic_regex" > /dev/null; then
1934       :
1935     else
1936       cat <<EOF 1>&2
1937
1938 *** Warning: the command libtool uses to detect shared libraries,
1939 *** $file_magic_cmd, produces output that libtool cannot recognize.
1940 *** The result is that libtool may fail to recognize shared libraries
1941 *** as such.  This will affect the creation of libtool libraries that
1942 *** depend on shared libraries, but programs linked with such libtool
1943 *** libraries will work regardless of this problem.  Nevertheless, you
1944 *** may want to report the problem to your system manager and/or to
1945 *** bug-libtool@gnu.org
1946
1947 EOF
1948     fi ;;
1949   esac
1950 fi
1951
1952 echo $ac_n "checking whether to build shared libraries... $ac_c" 1>&6
1953 test "$can_build_shared" = "no" && enable_shared=no
1954
1955 # On AIX, shared libraries and static libraries use the same namespace, and
1956 # are all built from PIC.
1957 case "$host_os" in
1958 aix3*)
1959   test "$enable_shared" = yes && enable_static=no
1960   if test -n "$RANLIB"; then
1961     archive_cmds="$archive_cmds~\$RANLIB \$lib"
1962     postinstall_cmds='$RANLIB $lib'
1963   fi
1964   ;;
1965
1966 aix4*)
1967   test "$enable_shared" = yes && enable_static=no
1968   ;;
1969 esac
1970
1971 echo "$ac_t$enable_shared" 1>&6
1972
1973 # Make sure either enable_shared or enable_static is yes.
1974 test "$enable_shared" = yes || enable_static=yes
1975
1976 echo "checking whether to build static libraries... $enable_static" 1>&6
1977
1978 if test "$hardcode_action" = relink; then
1979   # Fast installation is not supported
1980   enable_fast_install=no
1981 elif test "$shlibpath_overrides_runpath" = yes ||
1982      test "$enable_shared" = no; then
1983   # Fast installation is not necessary
1984   enable_fast_install=needless
1985 fi
1986
1987 echo $ac_n "checking for objdir... $ac_c" 1>&6
1988 rm -f .libs 2>/dev/null
1989 mkdir .libs 2>/dev/null
1990 if test -d .libs; then
1991   objdir=.libs
1992 else
1993   # MS-DOS does not allow filenames that begin with a dot.
1994   objdir=_libs
1995 fi
1996 rmdir .libs 2>/dev/null
1997 echo "$ac_t$objdir" 1>&6
1998
1999 if test "x$enable_dlopen" != xyes; then
2000   enable_dlopen=unknown
2001   enable_dlopen_self=unknown
2002   enable_dlopen_self_static=unknown
2003 else
2004 if eval "test \"`echo '$''{'lt_cv_dlopen'+set}'`\" != set"; then
2005   lt_cv_dlopen=no lt_cv_dlopen_libs=
2006 echo $ac_n "checking for dlopen""... $ac_c" 1>&6
2007 echo "$progname:1977: checking for dlopen" >&5
2008 if eval "test \"`echo '$''{'ac_cv_func_dlopen'+set}'`\" = set"; then
2009   echo $ac_n "(cached) $ac_c" 1>&6
2010 else
2011   cat > conftest.$ac_ext <<EOF
2012 #line 1982 "ltconfig"
2013 /* System header to define __stub macros and hopefully few prototypes,
2014     which can conflict with char dlopen(); below.  */
2015 #include <assert.h>
2016 /* Override any gcc2 internal prototype to avoid an error.  */
2017 /* We use char because int might match the return type of a gcc2
2018     builtin and then its argument prototype would still apply.  */
2019 char dlopen();
2020
2021 int main() {
2022
2023 /* The GNU C library defines this for functions which it implements
2024     to always fail with ENOSYS.  Some functions are actually named
2025     something starting with __ and the normal name is an alias.  */
2026 #if defined (__stub_dlopen) || defined (__stub___dlopen)
2027 choke me
2028 #else
2029 dlopen();
2030 #endif
2031
2032 ; return 0; }
2033 EOF
2034 if { (eval echo $progname:2004: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
2035   rm -rf conftest*
2036   eval "ac_cv_func_dlopen=yes"
2037 else
2038   echo "$progname: failed program was:" >&5
2039   cat conftest.$ac_ext >&5
2040   rm -rf conftest*
2041   eval "ac_cv_func_dlopen=no"
2042 fi
2043 rm -f conftest*
2044 fi
2045
2046 if eval "test \"`echo '$ac_cv_func_'dlopen`\" = yes"; then
2047   echo "$ac_t""yes" 1>&6
2048   lt_cv_dlopen="dlopen"
2049 else
2050   echo "$ac_t""no" 1>&6
2051 echo $ac_n "checking for dlopen in -ldl""... $ac_c" 1>&6
2052 echo "$progname:2022: checking for dlopen in -ldl" >&5
2053 ac_lib_var=`echo dl'_'dlopen | sed 'y%./+-%__p_%'`
2054 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
2055   echo $ac_n "(cached) $ac_c" 1>&6
2056 else
2057   ac_save_LIBS="$LIBS"
2058 LIBS="-ldl  $LIBS"
2059 cat > conftest.$ac_ext <<EOF
2060 #line 2030 "ltconfig"
2061 /* Override any gcc2 internal prototype to avoid an error.  */
2062 /* We use char because int might match the return type of a gcc2
2063     builtin and then its argument prototype would still apply.  */
2064 char dlopen();
2065
2066 int main() {
2067 dlopen()
2068 ; return 0; }
2069 EOF
2070 if { (eval echo $progname:2040: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
2071   rm -rf conftest*
2072   eval "ac_cv_lib_$ac_lib_var=yes"
2073 else
2074   echo "$progname: failed program was:" >&5
2075   cat conftest.$ac_ext >&5
2076   rm -rf conftest*
2077   eval "ac_cv_lib_$ac_lib_var=no"
2078 fi
2079 rm -f conftest*
2080 LIBS="$ac_save_LIBS"
2081
2082 fi
2083 if eval "test \"`echo '$ac_cv_lib_'$ac_lib_var`\" = yes"; then
2084   echo "$ac_t""yes" 1>&6
2085   lt_cv_dlopen="dlopen" lt_cv_dlopen_libs="-ldl"
2086 else
2087   echo "$ac_t""no" 1>&6
2088 echo $ac_n "checking for dld_link in -ldld""... $ac_c" 1>&6
2089 echo "$progname:2059: checking for dld_link in -ldld" >&5
2090 ac_lib_var=`echo dld'_'dld_link | sed 'y%./+-%__p_%'`
2091 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
2092   echo $ac_n "(cached) $ac_c" 1>&6
2093 else
2094   ac_save_LIBS="$LIBS"
2095 LIBS="-ldld  $LIBS"
2096 cat > conftest.$ac_ext <<EOF
2097 #line 2067 "ltconfig"
2098 /* Override any gcc2 internal prototype to avoid an error.  */
2099 /* We use char because int might match the return type of a gcc2
2100     builtin and then its argument prototype would still apply.  */
2101 char dld_link();
2102
2103 int main() {
2104 dld_link()
2105 ; return 0; }
2106 EOF
2107 if { (eval echo $progname:2077: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
2108   rm -rf conftest*
2109   eval "ac_cv_lib_$ac_lib_var=yes"
2110 else
2111   echo "$progname: failed program was:" >&5
2112   cat conftest.$ac_ext >&5
2113   rm -rf conftest*
2114   eval "ac_cv_lib_$ac_lib_var=no"
2115 fi
2116 rm -f conftest*
2117 LIBS="$ac_save_LIBS"
2118
2119 fi
2120 if eval "test \"`echo '$ac_cv_lib_'$ac_lib_var`\" = yes"; then
2121   echo "$ac_t""yes" 1>&6
2122   lt_cv_dlopen="dld_link" lt_cv_dlopen_libs="-ldld"
2123 else
2124   echo "$ac_t""no" 1>&6
2125 echo $ac_n "checking for shl_load""... $ac_c" 1>&6
2126 echo "$progname:2096: checking for shl_load" >&5
2127 if eval "test \"`echo '$''{'ac_cv_func_shl_load'+set}'`\" = set"; then
2128   echo $ac_n "(cached) $ac_c" 1>&6
2129 else
2130   cat > conftest.$ac_ext <<EOF
2131 #line 2101 "ltconfig"
2132 /* System header to define __stub macros and hopefully few prototypes,
2133     which can conflict with char shl_load(); below.  */
2134 #include <assert.h>
2135 /* Override any gcc2 internal prototype to avoid an error.  */
2136 /* We use char because int might match the return type of a gcc2
2137     builtin and then its argument prototype would still apply.  */
2138 char shl_load();
2139
2140 int main() {
2141
2142 /* The GNU C library defines this for functions which it implements
2143     to always fail with ENOSYS.  Some functions are actually named
2144     something starting with __ and the normal name is an alias.  */
2145 #if defined (__stub_shl_load) || defined (__stub___shl_load)
2146 choke me
2147 #else
2148 shl_load();
2149 #endif
2150
2151 ; return 0; }
2152 EOF
2153 if { (eval echo $progname:2123: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
2154   rm -rf conftest*
2155   eval "ac_cv_func_shl_load=yes"
2156 else
2157   echo "$progname: failed program was:" >&5
2158   cat conftest.$ac_ext >&5
2159   rm -rf conftest*
2160   eval "ac_cv_func_shl_load=no"
2161 fi
2162 rm -f conftest*
2163 fi
2164
2165 if eval "test \"`echo '$ac_cv_func_'shl_load`\" = yes"; then
2166   echo "$ac_t""yes" 1>&6
2167   lt_cv_dlopen="shl_load"
2168 else
2169   echo "$ac_t""no" 1>&6
2170 echo $ac_n "checking for LoadLibrary""... $ac_c" 1>&6
2171 echo "$progname:2141: checking for LoadLibrary" >&5
2172 if eval "test \"`echo '$''{'ac_cv_func_LoadLibrary'+set}'`\" = set"; then
2173   echo $ac_n "(cached) $ac_c" 1>&6
2174 else
2175   cat > conftest.$ac_ext <<EOF
2176 #line 2146 "ltconfig"
2177 /* System header to define __stub macros and hopefully few prototypes,
2178     which can conflict with char LoadLibrary(); below.  */
2179 #include <assert.h>
2180 /* Override any gcc2 internal prototype to avoid an error.  */
2181 /* We use char because int might match the return type of a gcc2
2182     builtin and then its argument prototype would still apply.  */
2183 char LoadLibrary();
2184
2185 int main() {
2186
2187 /* The GNU C library defines this for functions which it implements
2188     to always fail with ENOSYS.  Some functions are actually named
2189     something starting with __ and the normal name is an alias.  */
2190 #if defined (__stub_LoadLibrary) || defined (__stub___LoadLibrary)
2191 choke me
2192 #else
2193 LoadLibrary();
2194 #endif
2195
2196 ; return 0; }
2197 EOF
2198 if { (eval echo $progname:2168: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
2199   rm -rf conftest*
2200   eval "ac_cv_func_LoadLibrary=yes"
2201 else
2202   echo "$progname: failed program was:" >&5
2203   cat conftest.$ac_ext >&5
2204   rm -rf conftest*
2205   eval "ac_cv_func_LoadLibrary=no"
2206 fi
2207 rm -f conftest*
2208 fi
2209
2210 if eval "test \"`echo '$ac_cv_func_'LoadLibrary`\" = yes"; then
2211   echo "$ac_t""yes" 1>&6
2212   lt_cv_dlopen="LoadLibrary"
2213 else
2214   echo "$ac_t""no" 1>&6
2215 fi
2216
2217
2218 fi
2219
2220
2221 fi
2222
2223
2224 fi
2225
2226
2227 fi
2228
2229 fi
2230
2231   if test "x$lt_cv_dlopen" != xno; then
2232     enable_dlopen=yes
2233   fi
2234
2235   case "$lt_cv_dlopen" in
2236   dlopen)
2237 for ac_hdr in dlfcn.h; do
2238 ac_safe=`echo "$ac_hdr" | sed 'y%./+-%__p_%'`
2239 echo $ac_n "checking for $ac_hdr""... $ac_c" 1>&6
2240 echo "$progname:2210: checking for $ac_hdr" >&5
2241 if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then
2242   echo $ac_n "(cached) $ac_c" 1>&6
2243 else
2244   cat > conftest.$ac_ext <<EOF
2245 #line 2215 "ltconfig"
2246 #include <$ac_hdr>
2247 int fnord = 0;
2248 EOF
2249 ac_try="$ac_compile conftest.$ac_ext >/dev/null 2>conftest.out"
2250 { (eval echo $progname:2220: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
2251 ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
2252 if test -z "$ac_err"; then
2253   rm -rf conftest*
2254   eval "ac_cv_header_$ac_safe=yes"
2255 else
2256   echo "$ac_err" >&5
2257   echo "$progname: failed program was:" >&5
2258   cat conftest.$ac_ext >&5
2259   rm -rf conftest*
2260   eval "ac_cv_header_$ac_safe=no"
2261 fi
2262 rm -f conftest*
2263 fi
2264 if eval "test \"`echo '$ac_cv_header_'$ac_safe`\" = yes"; then
2265   echo "$ac_t""yes" 1>&6
2266 else
2267   echo "$ac_t""no" 1>&6
2268 fi
2269 done
2270
2271     if test "x$ac_cv_header_dlfcn_h" = xyes; then
2272       CPPFLAGS="$CPPFLAGS -DHAVE_DLFCN_H"
2273     fi
2274     eval LDFLAGS=\"\$LDFLAGS $export_dynamic_flag_spec\"
2275     LIBS="$lt_cv_dlopen_libs $LIBS"
2276
2277   echo $ac_n "checking whether a program can dlopen itself""... $ac_c" 1>&6
2278 echo "$progname:2248: checking whether a program can dlopen itself" >&5
2279 if test "${lt_cv_dlopen_self+set}" = set; then
2280   echo $ac_n "(cached) $ac_c" 1>&6
2281 else
2282   if test "$cross_compiling" = yes; then
2283     lt_cv_dlopen_self=cross
2284   else
2285     cat > conftest.c <<EOF
2286 #line 2256 "ltconfig"
2287
2288 #if HAVE_DLFCN_H
2289 #include <dlfcn.h>
2290 #endif
2291
2292 #include <stdio.h>
2293
2294 #ifdef RTLD_GLOBAL
2295 # define LTDL_GLOBAL    RTLD_GLOBAL
2296 #else
2297 # ifdef DL_GLOBAL
2298 #  define LTDL_GLOBAL   DL_GLOBAL
2299 # else
2300 #  define LTDL_GLOBAL   0
2301 # endif
2302 #endif
2303
2304 /* We may have to define LTDL_LAZY_OR_NOW in the command line if we
2305    find out it does not work in some platform. */
2306 #ifndef LTDL_LAZY_OR_NOW
2307 # ifdef RTLD_LAZY
2308 #  define LTDL_LAZY_OR_NOW      RTLD_LAZY
2309 # else
2310 #  ifdef DL_LAZY
2311 #   define LTDL_LAZY_OR_NOW     DL_LAZY
2312 #  else
2313 #   ifdef RTLD_NOW
2314 #    define LTDL_LAZY_OR_NOW    RTLD_NOW
2315 #   else
2316 #    ifdef DL_NOW
2317 #     define LTDL_LAZY_OR_NOW   DL_NOW
2318 #    else
2319 #     define LTDL_LAZY_OR_NOW   0
2320 #    endif
2321 #   endif
2322 #  endif
2323 # endif
2324 #endif
2325
2326 fnord() { int i=42;}
2327 main() { void *self, *ptr1, *ptr2; self=dlopen(0,LTDL_GLOBAL|LTDL_LAZY_OR_NOW);
2328     if(self) { ptr1=dlsym(self,"fnord"); ptr2=dlsym(self,"_fnord");
2329                if(ptr1 || ptr2) exit(0); } exit(1); }
2330
2331 EOF
2332 if { (eval echo $progname:2302: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest && (./conftest; exit) 2>/dev/null
2333 then
2334   lt_cv_dlopen_self=yes
2335 else
2336   echo "$progname: failed program was:" >&5
2337   cat conftest.$ac_ext >&5
2338   rm -fr conftest*
2339   lt_cv_dlopen_self=no
2340 fi
2341 rm -fr conftest*
2342 fi
2343
2344 fi
2345
2346 echo "$ac_t""$lt_cv_dlopen_self" 1>&6
2347
2348   if test "$lt_cv_dlopen_self" = yes; then
2349     LDFLAGS="$LDFLAGS $link_static_flag"
2350   echo $ac_n "checking whether a statically linked program can dlopen itself""... $ac_c" 1>&6
2351 echo "$progname:2321: checking whether a statically linked program can dlopen itself" >&5
2352 if test "${lt_cv_dlopen_self_static+set}" = set; then
2353   echo $ac_n "(cached) $ac_c" 1>&6
2354 else
2355   if test "$cross_compiling" = yes; then
2356     lt_cv_dlopen_self_static=cross
2357   else
2358     cat > conftest.c <<EOF
2359 #line 2329 "ltconfig"
2360
2361 #if HAVE_DLFCN_H
2362 #include <dlfcn.h>
2363 #endif
2364
2365 #include <stdio.h>
2366
2367 #ifdef RTLD_GLOBAL
2368 # define LTDL_GLOBAL    RTLD_GLOBAL
2369 #else
2370 # ifdef DL_GLOBAL
2371 #  define LTDL_GLOBAL   DL_GLOBAL
2372 # else
2373 #  define LTDL_GLOBAL   0
2374 # endif
2375 #endif
2376
2377 /* We may have to define LTDL_LAZY_OR_NOW in the command line if we
2378    find out it does not work in some platform. */
2379 #ifndef LTDL_LAZY_OR_NOW
2380 # ifdef RTLD_LAZY
2381 #  define LTDL_LAZY_OR_NOW      RTLD_LAZY
2382 # else
2383 #  ifdef DL_LAZY
2384 #   define LTDL_LAZY_OR_NOW     DL_LAZY
2385 #  else
2386 #   ifdef RTLD_NOW
2387 #    define LTDL_LAZY_OR_NOW    RTLD_NOW
2388 #   else
2389 #    ifdef DL_NOW
2390 #     define LTDL_LAZY_OR_NOW   DL_NOW
2391 #    else
2392 #     define LTDL_LAZY_OR_NOW   0
2393 #    endif
2394 #   endif
2395 #  endif
2396 # endif
2397 #endif
2398
2399 fnord() { int i=42;}
2400 main() { void *self, *ptr1, *ptr2; self=dlopen(0,LTDL_GLOBAL|LTDL_LAZY_OR_NOW);
2401     if(self) { ptr1=dlsym(self,"fnord"); ptr2=dlsym(self,"_fnord");
2402     if(ptr1 || ptr2) exit(0); } exit(1); }
2403
2404 EOF
2405 if { (eval echo $progname:2375: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest && (./conftest; exit) 2>/dev/null
2406 then
2407   lt_cv_dlopen_self_static=yes
2408 else
2409   echo "$progname: failed program was:" >&5
2410   cat conftest.$ac_ext >&5
2411   rm -fr conftest*
2412   lt_cv_dlopen_self_static=no
2413 fi
2414 rm -fr conftest*
2415 fi
2416
2417 fi
2418
2419 echo "$ac_t""$lt_cv_dlopen_self_static" 1>&6
2420 fi
2421     ;;
2422   esac
2423
2424   case "$lt_cv_dlopen_self" in
2425   yes|no) enable_dlopen_self=$lt_cv_dlopen_self ;;
2426   *) enable_dlopen_self=unknown ;;
2427   esac
2428
2429   case "$lt_cv_dlopen_self_static" in
2430   yes|no) enable_dlopen_self_static=$lt_cv_dlopen_self_static ;;
2431   *) enable_dlopen_self_static=unknown ;;
2432   esac
2433 fi
2434
2435 # Copy echo and quote the copy, instead of the original, because it is
2436 # used later.
2437 ltecho="$echo"
2438 if test "X$ltecho" = "X$CONFIG_SHELL $0 --fallback-echo"; then
2439    ltecho="$CONFIG_SHELL \$0 --fallback-echo"
2440 fi
2441 LTSHELL="$SHELL"
2442
2443 LTCONFIG_VERSION="$VERSION"
2444
2445 # Only quote variables if we're using ltmain.sh.
2446 case "$ltmain" in
2447 *.sh)
2448   # Now quote all the things that may contain metacharacters.
2449   for var in ltecho old_CC old_CFLAGS old_CPPFLAGS old_LD old_NM old_RANLIB \
2450     old_LN_S old_DLLTOOL old_AS AR CC LD LN_S NM LTSHELL LTCONFIG_VERSION \
2451     reload_flag reload_cmds wl \
2452     pic_flag link_static_flag no_builtin_flag export_dynamic_flag_spec \
2453     thread_safe_flag_spec whole_archive_flag_spec libname_spec \
2454     library_names_spec soname_spec \
2455     RANLIB old_archive_cmds old_archive_from_new_cmds old_postinstall_cmds \
2456     old_postuninstall_cmds archive_cmds archive_expsym_cmds postinstall_cmds postuninstall_cmds \
2457     file_magic_cmd export_symbols_cmds deplibs_check_method allow_undefined_flag no_undefined_flag \
2458     finish_cmds finish_eval global_symbol_pipe global_symbol_to_cdecl \
2459     hardcode_libdir_flag_spec hardcode_libdir_separator  \
2460     sys_lib_search_path_spec sys_lib_dlsearch_path_spec \
2461     compiler_c_o compiler_o_lo need_locks exclude_expsyms include_expsyms \
2462     extra_compiler_flags extra_compiler_flags_value; do
2463
2464     case "$var" in
2465     reload_cmds | old_archive_cmds | old_archive_from_new_cmds | \
2466     old_postinstall_cmds | old_postuninstall_cmds | \
2467     export_symbols_cmds | archive_cmds | archive_expsym_cmds | \
2468     postinstall_cmds | postuninstall_cmds | \
2469     finish_cmds | sys_lib_search_path_spec | sys_lib_dlsearch_path_spec)
2470       # Double-quote double-evaled strings.
2471       eval "$var=\\\"\`\$echo \"X\$$var\" | \$Xsed -e \"\$double_quote_subst\" -e \"\$sed_quote_subst\" -e \"\$delay_variable_subst\"\`\\\""
2472       ;;
2473     *)
2474       eval "$var=\\\"\`\$echo \"X\$$var\" | \$Xsed -e \"\$sed_quote_subst\"\`\\\""
2475       ;;
2476     esac
2477   done
2478
2479   case "$ltecho" in
2480   *'\$0 --fallback-echo"')
2481     ltecho=`$echo "X$ltecho" | $Xsed -e 's/\\\\\\\$0 --fallback-echo"$/$0 --fallback-echo"/'`
2482     ;;
2483   esac
2484
2485   trap "$rm \"$ofile\"; exit 1" 1 2 15
2486   echo "creating $ofile"
2487   $rm "$ofile"
2488   cat <<EOF > "$ofile"
2489 #! $SHELL
2490
2491 # `$echo "$ofile" | sed 's%^.*/%%'` - Provide generalized library-building support services.
2492 # Generated automatically by $PROGRAM (GNU $PACKAGE $VERSION$TIMESTAMP)
2493 # NOTE: Changes made to this file will be lost: look at ltconfig or ltmain.sh.
2494 #
2495 # Copyright (C) 1996-1999 Free Software Foundation, Inc.
2496 # Gordon Matzigkeit <gord@gnu.ai.mit.edu>, 1996
2497 #
2498 # This program is free software; you can redistribute it and/or modify
2499 # it under the terms of the GNU General Public License as published by
2500 # the Free Software Foundation; either version 2 of the License, or
2501 # (at your option) any later version.
2502 #
2503 # This program is distributed in the hope that it will be useful, but
2504 # WITHOUT ANY WARRANTY; without even the implied warranty of
2505 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
2506 # General Public License for more details.
2507 #
2508 # You should have received a copy of the GNU General Public License
2509 # along with this program; if not, write to the Free Software
2510 # Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
2511 #
2512 # As a special exception to the GNU General Public License, if you
2513 # distribute this file as part of a program that contains a
2514 # configuration script generated by Autoconf, you may include it under
2515 # the same distribution terms that you use for the rest of that program.
2516
2517 # Sed that helps us avoid accidentally triggering echo(1) options like -n.
2518 Xsed="sed -e s/^X//"
2519
2520 # The HP-UX ksh and POSIX shell print the target directory to stdout
2521 # if CDPATH is set.
2522 if test "\${CDPATH+set}" = set; then CDPATH=; export CDPATH; fi
2523
2524 ### BEGIN LIBTOOL CONFIG
2525 EOF
2526   cfgfile="$ofile"
2527   ;;
2528
2529 *)
2530   # Double-quote the variables that need it (for aesthetics).
2531   for var in old_CC old_CFLAGS old_CPPFLAGS old_LD old_NM old_RANLIB \
2532     old_LN_S old_DLLTOOL old_AS; do
2533     eval "$var=\\\"\$var\\\""
2534   done
2535
2536   # Just create a config file.
2537   cfgfile="$ofile.cfg"
2538   trap "$rm \"$cfgfile\"; exit 1" 1 2 15
2539   echo "creating $cfgfile"
2540   $rm "$cfgfile"
2541   cat <<EOF > "$cfgfile"
2542 # `$echo "$cfgfile" | sed 's%^.*/%%'` - Libtool configuration file.
2543 # Generated automatically by $PROGRAM (GNU $PACKAGE $VERSION$TIMESTAMP)
2544 EOF
2545   ;;
2546 esac
2547
2548 cat <<EOF >> "$cfgfile"
2549 # Libtool was configured as follows, on host `(hostname || uname -n) 2>/dev/null | sed 1q`:
2550 #
2551 # CC=$old_CC CFLAGS=$old_CFLAGS CPPFLAGS=$old_CPPFLAGS \\
2552 # LD=$old_LD NM=$old_NM RANLIB=$old_RANLIB LN_S=$old_LN_S \\
2553 # DLLTOOL="$old_DLLTOOL" AS="$old_AS" \\
2554 #   $0$ltconfig_args
2555 #
2556 # Compiler and other test output produced by $progname, useful for
2557 # debugging $progname, is in ./config.log if it exists.
2558
2559 # The version of $progname that generated this script.
2560 LTCONFIG_VERSION=$LTCONFIG_VERSION
2561
2562 # Shell to use when invoking shell scripts.
2563 SHELL=$LTSHELL
2564
2565 # Whether or not to build shared libraries.
2566 build_libtool_libs=$enable_shared
2567
2568 # Whether or not to build static libraries.
2569 build_old_libs=$enable_static
2570
2571 # Whether or not to optimize for fast installation.
2572 fast_install=$enable_fast_install
2573
2574 # The host system.
2575 host_alias=$host_alias
2576 host=$host
2577
2578 # An echo program that does not interpret backslashes.
2579 echo=$ltecho
2580
2581 # The archiver.
2582 AR=$AR
2583
2584 # The default C compiler.
2585 CC=$CC
2586
2587 # The linker used to build libraries.
2588 LD=$LD
2589
2590 # Whether we need hard or soft links.
2591 LN_S=$LN_S
2592
2593 # A BSD-compatible nm program.
2594 NM=$NM
2595
2596 # Used on cygwin: DLL creation program.
2597 DLLTOOL="$DLLTOOL"
2598
2599 # Used on cygwin: assembler.
2600 AS="$AS"
2601
2602 # The name of the directory that contains temporary libtool files.
2603 objdir=$objdir
2604
2605 # How to create reloadable object files.
2606 reload_flag=$reload_flag
2607 reload_cmds=$reload_cmds
2608
2609 # How to pass a linker flag through the compiler.
2610 wl=$wl
2611
2612 # Object file suffix (normally "o").
2613 objext="$objext"
2614
2615 # Old archive suffix (normally "a").
2616 libext="$libext"
2617
2618 # Additional compiler flags for building library objects.
2619 pic_flag=$pic_flag
2620
2621 # Does compiler simultaneously support -c and -o options
2622 compiler_c_o=$compiler_c_o
2623
2624 # Can we write directly to a .lo ?
2625 compiler_o_lo=$compiler_o_lo
2626
2627 # Must we lock files when doing compilation ?
2628 need_locks=$need_locks
2629
2630 # Do we need the lib prefix for modules?
2631 need_lib_prefix=$need_lib_prefix
2632
2633 # Do we need a version for libraries?
2634 need_version=$need_version
2635
2636 # Whether dlopen is supported.
2637 dlopen=$enable_dlopen
2638
2639 # Whether dlopen of programs is supported.
2640 dlopen_self=$enable_dlopen_self
2641
2642 # Whether dlopen of statically linked programs is supported.
2643 dlopen_self_static=$enable_dlopen_self_static
2644
2645 # Compiler flag to prevent dynamic linking.
2646 link_static_flag=$link_static_flag
2647
2648 # Compiler flag to turn off builtin functions.
2649 no_builtin_flag=$no_builtin_flag
2650
2651 # Compiler flag to allow reflexive dlopens.
2652 export_dynamic_flag_spec=$export_dynamic_flag_spec
2653
2654 # Compiler flag to generate shared objects directly from archives.
2655 whole_archive_flag_spec=$whole_archive_flag_spec
2656
2657 # Compiler flag to generate thread-safe objects.
2658 thread_safe_flag_spec=$thread_safe_flag_spec
2659
2660 # Library versioning type.
2661 version_type=$version_type
2662
2663 # Format of library name prefix.
2664 libname_spec=$libname_spec
2665
2666 # List of archive names.  First name is the real one, the rest are links.
2667 # The last name is the one that the linker finds with -lNAME.
2668 library_names_spec=$library_names_spec
2669
2670 # The coded name of the library, if different from the real name.
2671 soname_spec=$soname_spec
2672
2673 # Commands used to build and install an old-style archive.
2674 RANLIB=$RANLIB
2675 old_archive_cmds=$old_archive_cmds
2676 old_postinstall_cmds=$old_postinstall_cmds
2677 old_postuninstall_cmds=$old_postuninstall_cmds
2678
2679 # Create an old-style archive from a shared archive.
2680 old_archive_from_new_cmds=$old_archive_from_new_cmds
2681
2682 # Commands used to build and install a shared archive.
2683 archive_cmds=$archive_cmds
2684 archive_expsym_cmds=$archive_expsym_cmds
2685 postinstall_cmds=$postinstall_cmds
2686 postuninstall_cmds=$postuninstall_cmds
2687
2688 # Case patterns for extra compiler flags needed for linking
2689 extra_compiler_flags=$extra_compiler_flags
2690 extra_compiler_flags_value=$extra_compiler_flags_value
2691
2692 # Method to check whether dependent libraries are shared objects.
2693 deplibs_check_method=$deplibs_check_method
2694
2695 # Command to use when deplibs_check_method == file_magic
2696 file_magic_cmd=$file_magic_cmd
2697
2698 # Flag that allows shared libraries with undefined symbols to be built.
2699 allow_undefined_flag=$allow_undefined_flag
2700
2701 # Flag that forces no undefined symbols.
2702 no_undefined_flag=$no_undefined_flag
2703
2704 # Commands used to finish a libtool library installation in a directory.
2705 finish_cmds=$finish_cmds
2706
2707 # Same as above, but a single script fragment to be evaled but not shown.
2708 finish_eval=$finish_eval
2709
2710 # Take the output of nm and produce a listing of raw symbols and C names.
2711 global_symbol_pipe=$global_symbol_pipe
2712
2713 # Transform the output of nm in a proper C declaration
2714 global_symbol_to_cdecl=$global_symbol_to_cdecl
2715
2716 # This is the shared library runtime path variable.
2717 runpath_var=$runpath_var
2718
2719 # This is the shared library path variable.
2720 shlibpath_var=$shlibpath_var
2721
2722 # Is shlibpath searched before the hard-coded library search path?
2723 shlibpath_overrides_runpath=$shlibpath_overrides_runpath
2724
2725 # How to hardcode a shared library path into an executable.
2726 hardcode_action=$hardcode_action
2727
2728 # Flag to hardcode \$libdir into a binary during linking.
2729 # This must work even if \$libdir does not exist.
2730 hardcode_libdir_flag_spec=$hardcode_libdir_flag_spec
2731
2732 # Whether we need a single -rpath flag with a separated argument.
2733 hardcode_libdir_separator=$hardcode_libdir_separator
2734
2735 # Set to yes if using DIR/libNAME.so during linking hardcodes DIR into the
2736 # resulting binary.
2737 hardcode_direct=$hardcode_direct
2738
2739 # Set to yes if using the -LDIR flag during linking hardcodes DIR into the
2740 # resulting binary.
2741 hardcode_minus_L=$hardcode_minus_L
2742
2743 # Set to yes if using SHLIBPATH_VAR=DIR during linking hardcodes DIR into
2744 # the resulting binary.
2745 hardcode_shlibpath_var=$hardcode_shlibpath_var
2746
2747 # Compile-time system search path for libraries
2748 sys_lib_search_path_spec=$sys_lib_search_path_spec
2749
2750 # Run-time system search path for libraries
2751 sys_lib_dlsearch_path_spec=$sys_lib_dlsearch_path_spec
2752
2753 # Fix the shell variable \$srcfile for the compiler.
2754 fix_srcfile_path="$fix_srcfile_path"
2755
2756 # Set to yes if exported symbols are required
2757 always_export_symbols=$always_export_symbols
2758
2759 # The command to extract exported symbols
2760 export_symbols_cmds=$export_symbols_cmds
2761
2762 # Symbols that should not be listed in the preloaded symbols
2763 exclude_expsyms=$exclude_expsyms
2764
2765 # Symbols that must always be exported
2766 include_expsyms=$include_expsyms
2767
2768 EOF
2769
2770 case "$ltmain" in
2771 *.sh)
2772   echo '### END LIBTOOL CONFIG' >> "$ofile"
2773   echo >> "$ofile"
2774   case "$host_os" in
2775   aix3*)
2776     cat <<\EOF >> "$ofile"
2777
2778 # AIX sometimes has problems with the GCC collect2 program.  For some
2779 # reason, if we set the COLLECT_NAMES environment variable, the problems
2780 # vanish in a puff of smoke.
2781 if test "${COLLECT_NAMES+set}" != set; then
2782   COLLECT_NAMES=
2783   export COLLECT_NAMES
2784 fi
2785 EOF
2786     ;;
2787   esac
2788
2789   # Append the ltmain.sh script.
2790   cat "$ltmain" >> "$ofile" || (rm -f "$ofile"; exit 1)
2791
2792   chmod +x "$ofile"
2793   ;;
2794
2795 *)
2796   # Compile the libtool program.
2797   echo "FIXME: would compile $ltmain"
2798   ;;
2799 esac
2800
2801 test -n "$cache_file" || exit 0
2802
2803 # AC_CACHE_SAVE
2804 trap '' 1 2 15
2805 cat > confcache <<\EOF
2806 # This file is a shell script that caches the results of configure
2807 # tests run on this system so they can be shared between configure
2808 # scripts and configure runs.  It is not useful on other systems.
2809 # If it contains results you don't want to keep, you may remove or edit it.
2810 #
2811 # By default, configure uses ./config.cache as the cache file,
2812 # creating it if it does not exist already.  You can give configure
2813 # the --cache-file=FILE option to use a different cache file; that is
2814 # what configure does when it calls configure scripts in
2815 # subdirectories, so they share the cache.
2816 # Giving --cache-file=/dev/null disables caching, for debugging configure.
2817 # config.status only pays attention to the cache file if you give it the
2818 # --recheck option to rerun configure.
2819 #
2820 EOF
2821 # The following way of writing the cache mishandles newlines in values,
2822 # but we know of no workaround that is simple, portable, and efficient.
2823 # So, don't put newlines in cache variables' values.
2824 # Ultrix sh set writes to stderr and can't be redirected directly,
2825 # and sets the high bit in the cache file unless we assign to the vars.
2826 (set) 2>&1 |
2827   case `(ac_space=' '; set | grep ac_space) 2>&1` in
2828   *ac_space=\ *)
2829     # `set' does not quote correctly, so add quotes (double-quote substitution
2830     # turns \\\\ into \\, and sed turns \\ into \).
2831     sed -n \
2832       -e "s/'/'\\\\''/g" \
2833       -e "s/^\\([a-zA-Z0-9_]*_cv_[a-zA-Z0-9_]*\\)=\\(.*\\)/\\1=\${\\1='\\2'}/p"
2834     ;;
2835   *)
2836     # `set' quotes correctly as required by POSIX, so do not add quotes.
2837     sed -n -e 's/^\([a-zA-Z0-9_]*_cv_[a-zA-Z0-9_]*\)=\(.*\)/\1=${\1=\2}/p'
2838     ;;
2839   esac >> confcache
2840 if cmp -s $cache_file confcache; then
2841   :
2842 else
2843   if test -w $cache_file; then
2844     echo "updating cache $cache_file"
2845     cat confcache > $cache_file
2846   else
2847     echo "not updating unwritable cache $cache_file"
2848   fi
2849 fi
2850 rm -f confcache
2851
2852 exit 0
2853
2854 # Local Variables:
2855 # mode:shell-script
2856 # sh-indentation:2
2857 # End: