ltconfig

   1 #! /bin/sh
   2
   3 # ltconfig - Create a system-specific libtool.
   4 # Copyright (C) 1996-1998 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 if test "X$1" = "X--no-reexec"; then
  31   # Discard the --no-reexec flag, and continue.
  32   shift
  33 elif test "X$SHELL" != X/bin/sh; then
  34   # Restart under the correct shell.
  35   exec "$SHELL" "$0" --no-reexec ${1+"$@"}
  36 fi
  37
  38 # The HP-UX ksh and POSIX shell print the target directory to stdout
  39 # if CDPATH is set.
  40 if test "${CDPATH+set}" = set; then CDPATH=; export CDPATH; fi
  41
  42 echo=echo
  43 if test "X`($echo '\t') 2>/dev/null`" = 'X\t'; then :
  44 else
  45   # The Solaris, AIX, and Digital Unix default echo programs unquote
  46   # backslashes.  This makes it impossible to quote backslashes using
  47   #   echo "$something" | sed 's/\\/\\\\/g'
  48   #
  49   # So, first we look for a working echo in the user's PATH.
  50   IFS="${IFS=   }"; save_ifs="$IFS"; IFS="${IFS}:"
  51   for dir in $PATH /usr/ucb; do
  52     if test -f $dir/echo && test "X`($dir/echo '\t') 2>/dev/null`" = 'X\t'; then
  53       echo="$dir/echo"
  54       break
  55     fi
  56   done
  57   IFS="$save_ifs"
  58
  59   if test "X$echo" = Xecho; then
  60     # We didn't find a better echo, so look for alternatives.
  61     if test "X`(print -r '\t') 2>/dev/null`" = 'X\t'; then
  62       # This shell has a builtin print -r that does the trick.
  63       echo='print -r'
  64 #    elif test -f /bin/ksh && test "X$CONFIG_SHELL" != X/bin/ksh; then
  65 #      # If we have ksh, try running ltconfig again with it.
  66 #      CONFIG_SHELL=/bin/ksh
  67 #      export CONFIG_SHELL
  68 #      exec "$CONFIG_SHELL" "$0" --no-reexec ${1+"$@"}
  69     else
  70       # Try using printf.
  71       echo='printf %s\n'
  72       if test "X`($echo '\t') 2>/dev/null`" = 'X\t'; then :
  73       else
  74         # Oops.  We lost completely, so just stick with echo.
  75         echo=echo
  76       fi
  77     fi
  78   fi
  79 fi
  80
  81 # Sed substitution that helps us do robust quoting.  It backslashifies
  82 # metacharacters that are still active within double-quoted strings.
  83 Xsed='sed -e s/^X//'
  84 sed_quote_subst='s/\([\\"\\`$\\\\]\)/\\\1/g'
  85
  86 # Same as above, but do not quote variable references.
  87 double_quote_subst='s/\([\\"\\`\\\\]\)/\\\1/g'
  88
  89 # The name of this program.
  90 progname=`$echo "X$0" | $Xsed -e 's%^.*/%%'`
  91
  92 # Constants:
  93 PROGRAM=ltconfig
  94 PACKAGE=libtool
  95 VERSION=1.2a
  96 ac_compile='${CC-cc} -c $CFLAGS $CPPFLAGS conftest.c 1>&5'
  97 ac_link='${CC-cc} -o conftest $CFLAGS $CPPFLAGS $LDFLAGS conftest.c $LIBS 1>&5'
  98 rm="rm -f"
  99
 100 help="Try \`$progname --help' for more information."
 101
 102 # Global variables:
 103 default_ofile=libtool
 104 can_build_shared=yes
 105 enable_shared=yes
 106 # All known linkers require a `.a' archive for static linking.
 107 enable_static=yes
 108 ltmain=
 109 silent=
 110 srcdir=
 111 ac_config_guess=
 112 ac_config_sub=
 113 host=
 114 nonopt=
 115 ofile="$default_ofile"
 116 verify_host=yes
 117 with_gcc=no
 118 with_gnu_ld=no
 119
 120 old_AR="$AR"
 121 old_CC="$CC"
 122 old_CFLAGS="$CFLAGS"
 123 old_CPPFLAGS="$CPPFLAGS"
 124 old_LD="$LD"
 125 old_LN_S="$LN_S"
 126 old_NM="$NM"
 127 old_RANLIB="$RANLIB"
 128 old_DLLTOOL="$DLLTOOL"
 129 old_AS="$AS"
 130
 131 # Parse the command line options.
 132 args=
 133 prev=
 134 for option
 135 do
 136   case "$option" in
 137   -*=*) optarg=`echo "$option" | sed 's/[-_a-zA-Z0-9]*=//'` ;;
 138   *) optarg= ;;
 139   esac
 140
 141   # If the previous option needs an argument, assign it.
 142   if test -n "$prev"; then
 143     eval "$prev=\$option"
 144     prev=
 145     continue
 146   fi
 147
 148   case "$option" in
 149   --help) cat <<EOM
 150 Usage: $progname [OPTION]... LTMAIN [HOST]
 151
 152 Generate a system-specific libtool script.
 153
 154     --debug                enable verbose shell tracing
 155     --disable-shared       do not build shared libraries
 156     --disable-static       do not build static libraries
 157     --help                 display this help and exit
 158     --no-verify            do not verify that HOST is a valid host type
 159 -o, --output=FILE          specify the output file [default=$default_ofile]
 160     --quiet                same as \`--silent'
 161     --silent               do not print informational messages
 162     --srcdir=DIR           find \`config.guess' in DIR
 163     --version              output version information and exit
 164     --with-gcc             assume that the GNU C compiler will be used
 165     --with-gnu-ld          assume that the C compiler uses the GNU linker
 166
 167 LTMAIN is the \`ltmain.sh' shell script fragment that provides basic libtool
 168 functionality.
 169
 170 HOST is the canonical host system name [default=guessed].
 171 EOM
 172   exit 0
 173   ;;
 174
 175   --debug)
 176     echo "$progname: enabling shell trace mode"
 177     set -x
 178     ;;
 179
 180   --disable-shared) enable_shared=no ;;
 181
 182   --disable-static) enable_static=no ;;
 183
 184   --quiet | --silent) silent=yes ;;
 185
 186   --srcdir) prev=srcdir ;;
 187   --srcdir=*) srcdir="$optarg" ;;
 188
 189   --no-verify) verify_host=no ;;
 190
 191   --output | -o) prev=ofile ;;
 192   --output=*) ofile="$optarg" ;;
 193
 194   --version) echo "$PROGRAM (GNU $PACKAGE) $VERSION"; exit 0 ;;
 195
 196   --with-gcc) with_gcc=yes ;;
 197   --with-gnu-ld) with_gnu_ld=yes ;;
 198
 199   -*)
 200     echo "$progname: unrecognized option \`$option'" 1>&2
 201     echo "$help" 1>&2
 202     exit 1
 203     ;;
 204
 205   *)
 206     if test -z "$ltmain"; then
 207       ltmain="$option"
 208     elif test -z "$host"; then
 209 # This generates an unnecessary warning for sparc-sun-solaris4.1.3_U1
 210 #      if test -n "`echo $option| sed 's/[-a-z0-9.]//g'`"; then
 211 #        echo "$progname: warning \`$option' is not a valid host type" 1>&2
 212 #      fi
 213       host="$option"
 214     else
 215       echo "$progname: too many arguments" 1>&2
 216       echo "$help" 1>&2
 217       exit 1
 218     fi ;;
 219   esac
 220 done
 221
 222 if test -z "$ltmain"; then
 223   echo "$progname: you must specify a LTMAIN file" 1>&2
 224   echo "$help" 1>&2
 225   exit 1
 226 fi
 227
 228 if test -f "$ltmain"; then :
 229 else
 230   echo "$progname: \`$ltmain' does not exist" 1>&2
 231   echo "$help" 1>&2
 232   exit 1
 233 fi
 234
 235 # Quote any args containing shell metacharacters.
 236 ltconfig_args=
 237 for arg
 238 do
 239   case "$arg" in
 240   *" "*|*"      "*|*[\[\]\~\#\$\^\&\*\(\)\{\}\\\|\;\<\>\?]*)
 241   ltconfig_args="$ltconfig_args '$arg'" ;;
 242   *) ltconfig_args="$ltconfig_args $arg" ;;
 243   esac
 244 done
 245
 246 # A relevant subset of AC_INIT.
 247
 248 # File descriptor usage:
 249 # 0 standard input
 250 # 1 file creation
 251 # 2 errors and warnings
 252 # 3 some systems may open it to /dev/tty
 253 # 4 used on the Kubota Titan
 254 # 5 compiler messages saved in config.log
 255 # 6 checking for... messages and results
 256 if test "$silent" = yes; then
 257   exec 6>/dev/null
 258 else
 259   exec 6>&1
 260 fi
 261 exec 5>>./config.log
 262
 263 # NLS nuisances.
 264 # Only set LANG and LC_ALL to C if already set.
 265 # These must not be set unconditionally because not all systems understand
 266 # e.g. LANG=C (notably SCO).
 267 if test "${LC_ALL+set}" = set; then LC_ALL=C; export LC_ALL; fi
 268 if test "${LANG+set}"   = set; then LANG=C;   export LANG;   fi
 269
 270 if (echo "testing\c"; echo 1,2,3) | grep c >/dev/null; then
 271   # Stardent Vistra SVR4 grep lacks -e, says ghazi@caip.rutgers.edu.
 272   if (echo -n testing; echo 1,2,3) | sed s/-n/xn/ | grep xn >/dev/null; then
 273     ac_n= ac_c='
 274 ' ac_t='        '
 275   else
 276     ac_n=-n ac_c= ac_t=
 277   fi
 278 else
 279   ac_n= ac_c='\c' ac_t=
 280 fi
 281
 282 if test -z "$srcdir"; then
 283   # Assume the source directory is the same one as the path to ltmain.sh.
 284   srcdir=`$echo "$ltmain" | $Xsed -e 's%/[^/]*$%%'`
 285   test "$srcdir" = "$ltmain" && srcdir=.
 286 fi
 287
 288 trap "$rm conftest*; exit 1" 1 2 15
 289 if test "$verify_host" = yes; then
 290   # Check for config.guess and config.sub.
 291   ac_aux_dir=
 292   for ac_dir in $srcdir $srcdir/.. $srcdir/../..; do
 293     if test -f $ac_dir/config.guess; then
 294       ac_aux_dir=$ac_dir
 295       break
 296     fi
 297   done
 298   if test -z "$ac_aux_dir"; then
 299     echo "$progname: cannot find config.guess in $srcdir $srcdir/.. $srcdir/../.." 1>&2
 300     echo "$help" 1>&2
 301     exit 1
 302   fi
 303   ac_config_guess=$ac_aux_dir/config.guess
 304   ac_config_sub=$ac_aux_dir/config.sub
 305
 306   # Make sure we can run config.sub.
 307   if $ac_config_sub sun4 >/dev/null 2>&1; then :
 308   else
 309     echo "$progname: cannot run $ac_config_sub" 1>&2
 310     echo "$help" 1>&2
 311     exit 1
 312   fi
 313
 314   echo $ac_n "checking host system type""... $ac_c" 1>&6
 315
 316   host_alias=$host
 317   case "$host_alias" in
 318   "")
 319     if host_alias=`$ac_config_guess`; then :
 320     else
 321       echo "$progname: cannot guess host type; you must specify one" 1>&2
 322       echo "$help" 1>&2
 323       exit 1
 324     fi ;;
 325   esac
 326   host=`$ac_config_sub $host_alias`
 327   echo "$ac_t$host" 1>&6
 328
 329   # Make sure the host verified.
 330   test -z "$host" && exit 1
 331
 332 elif test -z "$host"; then
 333   echo "$progname: you must specify a host type if you use \`--no-verify'" 1>&2
 334   echo "$help" 1>&2
 335   exit 1
 336 else
 337   host_alias=$host
 338 fi
 339
 340 # Transform linux* to *-*-linux-gnu*, to support old configure scripts.
 341 case "$host_os" in
 342 linux-gnu*) ;;
 343 linux*) host=`echo $host | sed 's/^\(.*-.*-linux\)\(.*\)$/\1-gnu\2/'`
 344 esac
 345
 346 host_cpu=`echo $host | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\1/'`
 347 host_vendor=`echo $host | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\2/'`
 348 host_os=`echo $host | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\3/'`
 349
 350 case "$host_os" in
 351 aix3*)
 352   # AIX sometimes has problems with the GCC collect2 program.  For some
 353   # reason, if we set the COLLECT_NAMES environment variable, the problems
 354   # vanish in a puff of smoke.
 355   if test "${COLLECT_NAMES+set}" != set; then
 356     COLLECT_NAMES=
 357     export COLLECT_NAMES
 358   fi
 359   ;;
 360 esac
 361
 362 # Determine commands to create old-style static archives.
 363 old_archive_cmds='$AR cru $oldlib$oldobjs'
 364 old_postinstall_cmds='chmod 644 $oldlib'
 365 old_postuninstall_cmds=
 366
 367 # Set a sane default for `AR'.
 368 test -z "$AR" && AR=ar
 369
 370 # If RANLIB is not set, then run the test.
 371 if test "${RANLIB+set}" != "set"; then
 372   result=no
 373
 374   echo $ac_n "checking for ranlib... $ac_c" 1>&6
 375   IFS="${IFS=   }"; save_ifs="$IFS"; IFS="${IFS}:"
 376   for dir in $PATH; do
 377     test -z "$dir" && dir=.
 378     if test -f $dir/ranlib; then
 379       RANLIB="ranlib"
 380       result="ranlib"
 381       break
 382     fi
 383   done
 384   IFS="$save_ifs"
 385
 386   echo "$ac_t$result" 1>&6
 387 fi
 388
 389 if test -n "$RANLIB"; then
 390   old_archive_cmds="$old_archive_cmds;\$RANLIB \$oldlib"
 391   old_postinstall_cmds="\$RANLIB \$oldlib;$old_postinstall_cmds"
 392 fi
 393
 394 # Set sane defaults for `DLLTOOL' and `AS', used on cygwin32.
 395 test -z "$DLLTOOL" && DLLTOOL=dlltool
 396 test -z "$AS" && AS=as
 397
 398 # Check to see if we are using GCC.
 399 if test "$with_gcc" != yes || test -z "$CC"; then
 400   # If CC is not set, then try to find GCC or a usable CC.
 401   if test -z "$CC"; then
 402     echo $ac_n "checking for gcc... $ac_c" 1>&6
 403     IFS="${IFS=         }"; save_ifs="$IFS"; IFS="${IFS}:"
 404     for dir in $PATH; do
 405       IFS="$save_ifs"
 406       test -z "$dir" && dir=.
 407       if test -f $dir/gcc; then
 408         CC="gcc"
 409         break
 410       fi
 411     done
 412     IFS="$save_ifs"
 413
 414     if test -n "$CC"; then
 415       echo "$ac_t$CC" 1>&6
 416     else
 417       echo "$ac_t"no 1>&6
 418     fi
 419   fi
 420
 421   # Not "gcc", so try "cc", rejecting "/usr/ucb/cc".
 422   if test -z "$CC"; then
 423     echo $ac_n "checking for cc... $ac_c" 1>&6
 424     IFS="${IFS=         }"; save_ifs="$IFS"; IFS="${IFS}:"
 425     cc_rejected=no
 426     for dir in $PATH; do
 427       test -z "$dir" && dir=.
 428       if test -f $dir/cc; then
 429         if test "$dir/cc" = "/usr/ucb/cc"; then
 430           cc_rejected=yes
 431           continue
 432         fi
 433         CC="cc"
 434         break
 435       fi
 436     done
 437     IFS="$save_ifs"
 438     if test $cc_rejected = yes; then
 439       # We found a bogon in the path, so make sure we never use it.
 440       set dummy $CC
 441       shift
 442       if test $# -gt 0; then
 443         # We chose a different compiler from the bogus one.
 444         # However, it has the same name, so the bogon will be chosen
 445         # first if we set CC to just the name; use the full file name.
 446         shift
 447         set dummy "$dir/cc" "$@"
 448         shift
 449         CC="$@"
 450       fi
 451     fi
 452
 453     if test -n "$CC"; then
 454       echo "$ac_t$CC" 1>&6
 455     else
 456       echo "$ac_t"no 1>&6
 457     fi
 458
 459     if test -z "$CC"; then
 460       echo "$progname: error: no acceptable cc found in \$PATH" 1>&2
 461       exit 1
 462     fi
 463   fi
 464
 465   # Now see if the compiler is really GCC.
 466   with_gcc=no
 467   echo $ac_n "checking whether we are using GNU C... $ac_c" 1>&6
 468   echo "$progname:468: checking whether we are using GNU C" >&5
 469
 470   $rm conftest.c
 471   cat > conftest.c <<EOF
 472 #ifdef __GNUC__
 473   yes;
 474 #endif
 475 EOF
 476   if { ac_try='${CC-cc} -E conftest.c'; { (eval echo $progname:476: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }; } | egrep yes >/dev/null 2>&1; then
 477     with_gcc=yes
 478   fi
 479   $rm conftest.c
 480   echo "$ac_t$with_gcc" 1>&6
 481 fi
 482
 483 # Allow CC to be a program name with arguments.
 484 set dummy $CC
 485 compiler="$2"
 486
 487 echo $ac_n "checking for $compiler option to produce PIC... $ac_c" 1>&6
 488 pic_flag=
 489 special_shlib_compile_flags=
 490 wl=
 491 link_static_flag=
 492 no_builtin_flag=
 493
 494 if test "$with_gcc" = yes; then
 495   wl='-Wl,'
 496   link_static_flag='-static'
 497   no_builtin_flag=' -fno-builtin'
 498
 499   case "$host_os" in
 500   aix3* | aix4* | irix5* | irix6* | osf3* | osf4*)
 501     # PIC is the default for these OSes.
 502     ;;
 503   cygwin32* | os2*)
 504     # We can build DLLs from non-PIC.
 505     ;;
 506   amigaos*)
 507     # FIXME: we need at least 68020 code to build shared libraries, but
 508     # adding the `-m68020' flag to GCC prevents building anything better,
 509     # like `-m68040'.
 510     pic_flag='-m68020 -resident32 -malways-restore-a4'
 511     ;;
 512   *)
 513     pic_flag='-fPIC'
 514     ;;
 515   esac
 516 else
 517   # PORTME Check for PIC flags for the system compiler.
 518   case "$host_os" in
 519   aix3* | aix4*)
 520     # All AIX code is PIC.
 521     link_static_flag='-bnso -bI:/lib/syscalls.exp'
 522     ;;
 523
 524   hpux9* | hpux10* | hpux11*)
 525     # Is there a better link_static_flag that works with the bundled CC?
 526     wl='-Wl,'
 527     link_static_flag="${wl}-a ${wl}archive"
 528     pic_flag='+Z'
 529     ;;
 530
 531   irix5* | irix6*)
 532     wl='-Wl,'
 533     link_static_flag='-non_shared'
 534     # PIC (with -KPIC) is the default.
 535     ;;
 536
 537   cygwin32* | os2*)
 538     # We can build DLLs from non-PIC.
 539     ;;
 540
 541   osf3* | osf4*)
 542     # All OSF/1 code is PIC.
 543     wl='-Wl,'
 544     link_static_flag='-non_shared'
 545     ;;
 546
 547   sco3.2v5*)
 548     pic_flag='-Kpic'
 549     link_static_flag='-dn'
 550     special_shlib_compile_flags='-belf'
 551     ;;
 552
 553   solaris2*)
 554     pic_flag='-KPIC'
 555     link_static_flag='-Bstatic'
 556     wl='-Wl,'
 557     ;;
 558
 559   sunos4*)
 560     pic_flag='-PIC'
 561     link_static_flag='-Bstatic'
 562     wl='-Qoption ld '
 563     ;;
 564
 565   sysv4.2uw2*)
 566     pic_flag='-KPIC'
 567     link_static_flag='-Bstatic'
 568     wl='-Wl,'
 569     ;;
 570
 571   uts4*)
 572     pic_flag='-pic'
 573     link_static_flag='-Bstatic'
 574     ;;
 575
 576   *)
 577     can_build_shared=no
 578     ;;
 579   esac
 580 fi
 581
 582 if test -n "$pic_flag"; then
 583   echo "$ac_t$pic_flag" 1>&6
 584
 585   # Check to make sure the pic_flag actually works.
 586   echo $ac_n "checking if $compiler PIC flag $pic_flag works... $ac_c" 1>&6
 587   $rm conftest*
 588   echo "int some_variable = 0;" > conftest.c
 589   save_CFLAGS="$CFLAGS"
 590   CFLAGS="$CFLAGS $pic_flag -DPIC"
 591   echo "$progname:591: checking if $compiler PIC flag $pic_flag works" >&5
 592   if { (eval echo $progname:592: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>conftest.err; } && test -s conftest.o; then
 593     # Append any warnings to the config.log.
 594     cat conftest.err 1>&5
 595
 596     # On HP-UX, both CC and GCC only warn that PIC is supported... then they
 597     # create non-PIC objects.  So, if there were any warnings, we assume that
 598     # PIC is not supported.
 599     if test -s conftest.err; then
 600       echo "$ac_t"no 1>&6
 601       can_build_shared=no
 602       pic_flag=
 603     else
 604       echo "$ac_t"yes 1>&6
 605       pic_flag=" $pic_flag"
 606     fi
 607   else
 608     # Append any errors to the config.log.
 609     cat conftest.err 1>&5
 610     can_build_shared=no
 611     pic_flag=
 612     echo "$ac_t"no 1>&6
 613   fi
 614   CFLAGS="$save_CFLAGS"
 615   $rm conftest*
 616 else
 617   echo "$ac_t"none 1>&6
 618 fi
 619
 620 # Check for any special shared library compilation flags.
 621 if test -n "$special_shlib_compile_flags"; then
 622   echo "$progname: warning: \`$CC' requires \`$special_shlib_compile_flags' to build shared libraries" 1>&2
 623   if echo "$old_CC $old_CFLAGS " | egrep -e "[  ]$special_shlib_compile_flags[  ]" >/dev/null; then :
 624   else
 625     echo "$progname: add \`$special_shlib_compile_flags' to the CC or CFLAGS env variable and reconfigure" 1>&2
 626     can_build_shared=no
 627   fi
 628 fi
 629
 630 echo $ac_n "checking if $compiler static flag $link_static_flag works... $ac_c" 1>&6
 631 $rm conftest*
 632 echo 'main(){return(0);}' > conftest.c
 633 save_LDFLAGS="$LDFLAGS"
 634 LDFLAGS="$LDFLAGS $link_static_flag"
 635 echo "$progname:635: checking if $compiler static flag $link_static_flag works" >&5
 636 if { (eval echo $progname:636: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
 637   echo "$ac_t$link_static_flag" 1>&6
 638 else
 639   echo "$ac_t"none 1>&6
 640   link_static_flag=
 641 fi
 642 LDFLAGS="$save_LDFLAGS"
 643 $rm conftest*
 644
 645 if test -z "$LN_S"; then
 646   # Check to see if we can use ln -s, or we need hard links.
 647   echo $ac_n "checking whether ln -s works... $ac_c" 1>&6
 648   $rm conftestdata
 649   if ln -s X conftestdata 2>/dev/null; then
 650     $rm conftestdata
 651     LN_S="ln -s"
 652   else
 653     LN_S=ln
 654   fi
 655   if test "$LN_S" = "ln -s"; then
 656     echo "$ac_t"yes 1>&6
 657   else
 658     echo "$ac_t"no 1>&6
 659   fi
 660 fi
 661
 662 # Make sure LD is an absolute path.
 663 if test -z "$LD"; then
 664   ac_prog=ld
 665   if test "$with_gcc" = yes; then
 666     # Check if gcc -print-prog-name=ld gives a path.
 667     echo $ac_n "checking for ld used by GCC... $ac_c" 1>&6
 668     echo "$progname:668: checking for ld used by GCC" >&5
 669     ac_prog=`($CC -print-prog-name=ld) 2>&5`
 670     case "$ac_prog" in
 671     # Accept absolute paths.
 672     /* | [A-Za-z]:\\*)
 673       test -z "$LD" && LD="$ac_prog"
 674       ;;
 675     "")
 676       # If it fails, then pretend we are not using GCC.
 677       ac_prog=ld
 678       ;;
 679     *)
 680       # If it is relative, then search for the first ld in PATH.
 681       with_gnu_ld=unknown
 682       ;;
 683     esac
 684   elif test "$with_gnu_ld" = yes; then
 685     echo $ac_n "checking for GNU ld... $ac_c" 1>&6
 686     echo "$progname:686: checking for GNU ld" >&5
 687   else
 688     echo $ac_n "checking for non-GNU ld""... $ac_c" 1>&6
 689     echo "$progname:689: checking for non-GNU ld" >&5
 690   fi
 691
 692   if test -z "$LD"; then
 693     IFS="${IFS=         }"; ac_save_ifs="$IFS"; IFS="${IFS}:"
 694     for ac_dir in $PATH; do
 695       test -z "$ac_dir" && ac_dir=.
 696       if test -f "$ac_dir/$ac_prog"; then
 697         LD="$ac_dir/$ac_prog"
 698         # Check to see if the program is GNU ld.  I'd rather use --version,
 699         # but apparently some GNU ld's only accept -v.
 700         # Break only if it was the GNU/non-GNU ld that we prefer.
 701         if "$LD" -v 2>&1 < /dev/null | egrep '(GNU|with BFD)' > /dev/null; then
 702           test "$with_gnu_ld" != no && break
 703         else
 704           test "$with_gnu_ld" != yes && break
 705         fi
 706       fi
 707     done
 708     IFS="$ac_save_ifs"
 709   fi
 710
 711   if test -n "$LD"; then
 712     echo "$ac_t$LD" 1>&6
 713   else
 714     echo "$ac_t"no 1>&6
 715   fi
 716
 717   if test -z "$LD"; then
 718     echo "$progname: error: no acceptable ld found in \$PATH" 1>&2
 719     exit 1
 720   fi
 721 fi
 722
 723 # Check to see if it really is or is not GNU ld.
 724 echo $ac_n "checking if the linker ($LD) is GNU ld... $ac_c" 1>&6
 725 # I'd rather use --version here, but apparently some GNU ld's only accept -v.
 726 if $LD -v 2>&1 </dev/null | egrep '(GNU|with BFD)' 1>&5; then
 727   with_gnu_ld=yes
 728 else
 729   with_gnu_ld=no
 730 fi
 731 echo "$ac_t$with_gnu_ld" 1>&6
 732
 733 # See if the linker supports building shared libraries.
 734 echo $ac_n "checking whether the linker ($LD) supports shared libraries... $ac_c" 1>&6
 735
 736 allow_undefined_flag=
 737 no_undefined_flag=
 738 archive_cmds=
 739 old_archive_from_new_cmds=
 740 export_dynamic_flag_spec=
 741 hardcode_libdir_flag_spec=
 742 hardcode_libdir_separator=
 743 hardcode_direct=no
 744 hardcode_minus_L=no
 745 hardcode_shlibpath_var=unsupported
 746 runpath_var=
 747
 748 ld_shlibs=yes
 749 if test "$with_gnu_ld" = yes; then
 750
 751   # See if GNU ld supports shared libraries.
 752   case "$host_os" in
 753   amigaos*)
 754     archive_cmds='$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 $objdir && a2ixlibrary -32)'
 755     hardcode_libdir_flag_spec='-L$libdir'
 756     hardcode_minus_L=yes
 757     ;;
 758
 759   sunos4*)
 760     archive_cmds='$LD -assert pure-text -Bstatic -o $lib$libobjs'
 761     ;;
 762
 763   cygwin32*)
 764     # hardcode_libdir_flag_spec is actually meaningless, as there is
 765     # no search path for DLLs.
 766     hardcode_libdir_flag_spec='-L$libdir'
 767     allow_undefined_flag=unsupported
 768     # Very, very bogus.
 769     echo '
 770 #include <windows.h>
 771
 772 struct _reent *_impure_ptr;
 773 extern struct _reent *__imp_reent_data;
 774 BOOL APIENTRY
 775 __dll_entry (HINSTANCE hinst, DWORD reason, LPVOID reserved)
 776 {
 777   _impure_ptr = __imp_reent_data;
 778 }
 779 ' > libtool.c
 780     archive_cmds='$CC -c '"`pwd`"'/libtool.c;echo EXPORTS > $soname-def;$NM$libobjs | $global_symbol_pipe | sed '\''s/.* //'\'' >> $soname-def;$LD -s --base-file $soname-base --dll -e ___dll_entry@12 -o $lib libtool.o$libobjs$deplibs;$DLLTOOL --as=$AS --dllname $soname --def $soname-def --base-file $soname-base --output-exp $soname-exp;$LD -s --base-file $soname-base $soname-exp --dll -e ___dll_entry@12 -o $lib libtool.o$libobjs$deplibs;$DLLTOOL --as=$AS --dllname $soname --def $soname-def --base-file $soname-base --output-exp $soname-exp;$LD $soname-exp --dll -e ___dll_entry@12 -o $lib libtool.o$libobjs$deplibs;$rm libtool.o $soname-base $soname-exp'
 781     old_archive_from_new_cmds='$DLLTOOL --as=$AS --dllname $soname --def $soname-def --output-lib $objdir/$libname.a;$rm $soname-def'
 782     ;;
 783
 784   *)
 785     if $LD --help 2>&1 | egrep ': supported targets:.* elf' > /dev/null; then
 786       archive_cmds='$CC -shared ${wl}-soname $wl$soname -o $lib$libobjs'
 787     else
 788       ld_shlibs=no
 789     fi
 790     ;;
 791   esac
 792
 793   if test "$ld_shlibs" = yes; then
 794     runpath_var=LD_RUN_PATH
 795     hardcode_libdir_flag_spec='${wl}--rpath ${wl}$libdir'
 796     export_dynamic_flag_spec='${wl}--export-dynamic'
 797   fi
 798 else
 799   # PORTME fill in a description of your system's linker (not GNU ld)
 800   case "$host_os" in
 801   aix3*)
 802     allow_undefined_flag=unsupported
 803     archive_cmds='$NM$libobjs | $global_symbol_pipe | sed '\''s/.* //'\'' > $lib.exp;$LD -o $objdir/$soname$libobjs -bE:$lib.exp -T512 -H512 -bM:SRE;$AR cru $lib $objdir/$soname'
 804     # Note: this linker hardcodes the directories in LIBPATH if there
 805     # are no directories specified by -L.
 806     hardcode_minus_L=yes
 807     if test "$with_gcc" = yes && test -z "$link_static_flag"; then
 808       # Neither direct hardcoding nor static linking is supported with a
 809       # broken collect2.
 810       hardcode_direct=unsupported
 811     fi
 812     ;;
 813
 814   aix4*)
 815     allow_undefined_flag=unsupported
 816     archive_cmds='$NM$libobjs | $global_symbol_pipe | sed '\''s/.* //'\'' > $lib.exp;$CC -o $objdir/$soname$libobjs ${wl}-bE:$lib.exp ${wl}-bM:SRE ${wl}-bnoentry;$AR cru $lib $objdir/$soname'
 817     hardcode_direct=yes
 818     hardcode_minus_L=yes
 819     ;;
 820
 821   amigaos*)
 822     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 $objdir && a2ixlibrary -32)'
 823     hardcode_libdir_flag_spec='-L$libdir'
 824     hardcode_minus_L=yes
 825     ;;
 826
 827   cygwin32*)
 828     # hardcode_libdir_flag_spec is actually meaningless, as there is
 829     # no search path for DLLs.
 830     hardcode_libdir_flag_spec='-L$libdir'
 831     allow_undefined_flag=unsupported
 832     # Very, very bogus.
 833     echo '
 834 #include <windows.h>
 835
 836 struct _reent *_impure_ptr;
 837 extern struct _reent *__imp_reent_data;
 838 BOOL APIENTRY
 839 __dll_entry (HINSTANCE hinst, DWORD reason, LPVOID reserved)
 840 {
 841   _impure_ptr = __imp_reent_data;
 842 }
 843 ' > libtool.c
 844     archive_cmds='$CC -c '"`pwd`"'/libtool.c;echo EXPORTS > $soname-def;$NM$libobjs | $global_symbol_pipe | sed '\''s/.* //'\'' >> $soname-def;$LD -s --base-file $soname-base --dll -e ___dll_entry@12 -o $lib libtool.o$libobjs$deplibs;$DLLTOOL --as=$AS --dllname $soname --def $soname-def --base-file $soname-base --output-exp $soname-exp;$LD -s --base-file $soname-base $soname-exp --dll -e ___dll_entry@12 -o $lib libtool.o$libobjs$deplibs;$DLLTOOL --as=$AS --dllname $soname --def $soname-def --base-file $soname-base --output-exp $soname-exp;$LD $soname-exp --dll -e ___dll_entry@12 -o $lib libtool.o$libobjs$deplibs;$rm libtool.o $soname-base $soname-exp'
 845     old_archive_from_new_cmds='$DLLTOOL --as=$AS --dllname $soname --def $soname-def --output-lib $objdir/$libname.a;$rm $soname-def'
 846     ;;
 847
 848   # FreeBSD 2.2.[012] allows us to include c++rt0.o to get C++ constructor
 849   # support.  Future versions do this automatically, but an explicit c++rt0.o
 850   # does not break anything, and helps significantly (at the cost of a little
 851   # extra space).
 852   freebsd2.2*)
 853     archive_cmds='$LD -Bshareable -o $lib$libobjs /usr/lib/c++rt0.o'
 854     hardcode_libdir_flag_spec='-R$libdir'
 855     hardcode_direct=yes
 856     hardcode_minus_L=yes
 857     hardcode_shlibpath_var=no
 858     ;;
 859
 860   # Unfortunately, older versions of FreeBSD 2 do not have this feature.
 861   freebsd2*)
 862     archive_cmds='$LD -Bshareable -o $lib$libobjs'
 863     hardcode_direct=yes
 864     hardcode_minus_L=yes
 865     hardcode_shlibpath_var=no
 866     ;;
 867
 868   # FreeBSD 3, at last, uses gcc -shared to do shared libraries.
 869   freebsd3*)
 870     archive_cmds='$CC -shared -o $lib$libobjs'
 871     hardcode_libdir_flag_spec='-R$libdir'
 872     hardcode_direct=yes
 873     hardcode_minus_L=yes
 874     hardcode_shlibpath_var=no
 875     ;;
 876
 877   hpux9*)
 878     archive_cmds='$rm $objdir/$soname;$LD -b +s +b $install_libdir -o $objdir/$soname$libobjs;mv $objdir/$soname $lib'
 879     hardcode_libdir_flag_spec='${wl}+b ${wl}$libdir'
 880     hardcode_direct=yes
 881     hardcode_minus_L=yes
 882     export_dynamic_flag_spec='${wl}-E'
 883     ;;
 884
 885   hpux10* | hpux11*)
 886     archive_cmds='$LD -b +h $soname +s +b $install_libdir -o $lib$libobjs'
 887     hardcode_libdir_flag_spec='${wl}+b ${wl}$libdir'
 888     hardcode_direct=yes
 889     hardcode_minus_L=yes
 890     export_dynamic_flag_spec='${wl}-E'
 891     ;;
 892
 893   irix5* | irix6*)
 894     if test "$with_gcc" = yes; then
 895       archive_cmds='$CC -shared -o $lib ${wl}-soname ${wl}$soname ${wl}-set_version ${wl}$verstring$libobjs'
 896     else
 897       archive_cmds='$LD -shared -o $lib -soname $soname -set_version $verstring$libobjs'
 898     fi
 899     hardcode_libdir_flag_spec='${wl}-rpath ${wl}$libdir'
 900     ;;
 901
 902   netbsd*)
 903     # Tested with NetBSD 1.2 ld
 904     archive_cmds='$LD -Bshareable -o $lib$libobjs'
 905     hardcode_libdir_flag_spec='-R$libdir'
 906     hardcode_direct=yes
 907     hardcode_shlibpath_var=no
 908     ;;
 909
 910   openbsd*)
 911     archive_cmds='$LD -Bshareable -o $lib$libobjs'
 912     hardcode_libdir_flag_spec='-R$libdir'
 913     hardcode_direct=yes
 914     hardcode_shlibpath_var=no
 915     ;;
 916
 917   os2*)
 918     hardcode_libdir_flag_spec='-L$libdir'
 919     hardcode_minus_L=yes
 920     allow_undefined_flag=unsupported
 921     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 $objdir/$libname.def'
 922     old_archive_from_new_cmds='emximp -o $objdir/$libname.a $objdir/$libname.def'
 923     ;;
 924
 925   osf3* | osf4*)
 926     allow_undefined_flag=' -expect_unresolved \*'
 927     archive_cmds='$LD -shared${allow_undefined_flag} -o $lib -soname $soname -set_version $verstring$libobjs$deplibs'
 928     hardcode_libdir_flag_spec='${wl}-rpath ${wl}$libdir'
 929     hardcode_libdir_separator=:
 930     ;;
 931
 932   sco3.2v5*)
 933     archive_cmds='$LD -G -o $lib$libobjs'
 934     hardcode_direct=yes
 935     ;;
 936
 937   solaris2*)
 938     no_undefined_flag=' -z text'
 939     archive_cmds='$LD -G${allow_undefined_flag} -h $soname -o $lib$libobjs'
 940     hardcode_libdir_flag_spec='-R$libdir'
 941     hardcode_shlibpath_var=no
 942
 943     # Solaris 2 before 2.5 hardcodes -L paths.
 944     case "$host_os" in
 945     solaris2.[0-4]*)
 946       hardcode_minus_L=yes
 947       ;;
 948     esac
 949     ;;
 950
 951   sunos4*)
 952     archive_cmds='$LD -assert pure-text -Bstatic -o $lib$libobjs'
 953     hardcode_libdir_flag_spec='-L$libdir'
 954     hardcode_direct=yes
 955     hardcode_minus_L=yes
 956     hardcode_shlibpath_var=no
 957     ;;
 958
 959   uts4*)
 960     archive_cmds='$LD -G -h $soname -o $lib$libobjs'
 961     hardcode_libdir_flag_spec='-L$libdir'
 962     hardcode_direct=no
 963     hardcode_minus_L=no
 964     hardcode_shlibpath_var=no
 965     ;;
 966
 967   *)
 968     ld_shlibs=no
 969     can_build_shared=no
 970     ;;
 971   esac
 972 fi
 973 echo "$ac_t$ld_shlibs" 1>&6
 974
 975 if test -z "$NM"; then
 976   echo $ac_n "checking for BSD-compatible nm... $ac_c" 1>&6
 977   case "$NM" in
 978   /* | [A-Za-z]:\\*) ;; # Let the user override the test with a path.
 979   *)
 980     IFS="${IFS=         }"; ac_save_ifs="$IFS"; IFS="${IFS}:"
 981     for ac_dir in /usr/ucb /usr/ccs/bin $PATH /bin; do
 982       test -z "$ac_dir" && ac_dir=.
 983       if test -f $ac_dir/nm; then
 984         # Check to see if the nm accepts a BSD-compat flag.
 985         # Adding the `sed 1q' prevents false positives on HP-UX, which says:
 986         #   nm: unknown option "B" ignored
 987         if ($ac_dir/nm -B /dev/null 2>&1 | sed '1q'; exit 0) | egrep /dev/null >/dev/null; then
 988           NM="$ac_dir/nm -B"
 989         elif ($ac_dir/nm -p /dev/null 2>&1 | sed '1q'; exit 0) | egrep /dev/null >/dev/null; then
 990           NM="$ac_dir/nm -p"
 991         else
 992           NM="$ac_dir/nm"
 993         fi
 994         break
 995       fi
 996     done
 997     IFS="$ac_save_ifs"
 998     test -z "$NM" && NM=nm
 999     ;;
1000   esac
1001   echo "$ac_t$NM" 1>&6
1002 fi
1003
1004 # Check for command to grab the raw symbol name followed by C symbol from nm.
1005 echo $ac_n "checking command to parse $NM output... $ac_c" 1>&6
1006
1007 # These are sane defaults that work on at least a few old systems.
1008 # [They come from Ultrix.  What could be older than Ultrix?!! ;)]
1009
1010 # Character class describing NM global symbol codes.
1011 symcode='[BCDEGRSTU]'
1012
1013 # Regexp to match symbols that can be accessed directly from C.
1014 sympat='\([_A-Za-z][_A-Za-z0-9]*\)'
1015
1016 # Transform the above into a raw symbol and a C symbol.
1017 symxfrm='\1 \1'
1018
1019 # Define system-specific variables.
1020 case "$host_os" in
1021 aix*)
1022   symcode='[BCDTU]'
1023   ;;
1024 cygwin32*)
1025   sympat='_\([_A-Za-z][_A-Za-z0-9]*\)'
1026   symxfrm='_\1 \1'
1027   ;;
1028 irix*)
1029   # Cannot use undefined symbols on IRIX because inlined functions mess us up.
1030   symcode='[BCDEGRST]'
1031   ;;
1032 solaris2*)
1033   symcode='[BDTU]'
1034   ;;
1035 esac
1036
1037 # If we're using GNU nm, then use its standard symbol codes.
1038 if $NM -V 2>&1 | egrep '(GNU|with BFD)' > /dev/null; then
1039   symcode='[ABCDGISTUW]'
1040 fi
1041
1042 case "$host_os" in
1043 cygwin32*)
1044   # We do not want undefined symbols on cygwin32.  The user must
1045   # arrange to define them via -l arguments.
1046   symcode='[ABCDGISTW]'
1047   ;;
1048 esac
1049
1050 # Write the raw and C identifiers.
1051 global_symbol_pipe="sed -n -e 's/^.* $symcode $sympat$/$symxfrm/p'"
1052
1053 # Check to see that the pipe works correctly.
1054 pipe_works=no
1055 $rm conftest*
1056 cat > conftest.c <<EOF
1057 #ifdef __cplusplus
1058 extern "C" {
1059 #endif
1060 char nm_test_var;
1061 void nm_test_func(){}
1062 #ifdef __cplusplus
1063 }
1064 #endif
1065 main(){nm_test_var='a';nm_test_func();return(0);}
1066 EOF
1067
1068 echo "$progname:1068: checking if global_symbol_pipe works" >&5
1069 if { (eval echo $progname:1069: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; } && test -s conftest.o; then
1070   # Now try to grab the symbols.
1071   nlist=conftest.nm
1072   if { echo "$progname:1072: eval \"$NM conftest.o | $global_symbol_pipe > $nlist\"" >&5; eval "$NM conftest.o | $global_symbol_pipe > $nlist 2>&5"; } && test -s "$nlist"; then
1073
1074     # Try sorting and uniquifying the output.
1075     if sort "$nlist" | uniq > "$nlist"T; then
1076       mv -f "$nlist"T "$nlist"
1077       wcout=`wc "$nlist" 2>/dev/null`
1078       count=`$echo "X$wcout" | $Xsed -e 's/^[   ]*\([0-9][0-9]*\).*$/\1/'`
1079       (test "$count" -ge 0) 2>/dev/null || count=-1
1080     else
1081       rm -f "$nlist"T
1082       count=-1
1083     fi
1084
1085     # Make sure that we snagged all the symbols we need.
1086     if egrep ' nm_test_var$' "$nlist" >/dev/null; then
1087       if egrep ' nm_test_func$' "$nlist" >/dev/null; then
1088         cat <<EOF > conftest.c
1089 #ifdef __cplusplus
1090 extern "C" {
1091 #endif
1092
1093 EOF
1094         # Now generate the symbol file.
1095         sed 's/^.* \(.*\)$/extern char \1;/' < "$nlist" >> conftest.c
1096
1097         cat <<EOF >> conftest.c
1098 #if defined (__STDC__) && __STDC__
1099 # define __ptr_t void *
1100 #else
1101 # define __ptr_t char *
1102 #endif
1103
1104 /* The number of symbols in dld_preloaded_symbols, -1 if unsorted. */
1105 int dld_preloaded_symbol_count = $count;
1106
1107 /* The mapping between symbol names and symbols. */
1108 struct {
1109   char *name;
1110   __ptr_t address;
1111 }
1112 dld_preloaded_symbols[] =
1113 {
1114 EOF
1115         sed 's/^\(.*\) \(.*\)$/  {"\1", (__ptr_t) \&\2},/' < "$nlist" >> conftest.c
1116         cat <<\EOF >> conftest.c
1117   {0, (__ptr_t) 0}
1118 };
1119
1120 #ifdef __cplusplus
1121 }
1122 #endif
1123 EOF
1124         # Now try linking the two files.
1125         mv conftest.o conftestm.o
1126         save_LIBS="$LIBS"
1127         save_CFLAGS="$CFLAGS"
1128         LIBS='conftestm.o'
1129         CFLAGS="$CFLAGS$no_builtin_flag"
1130         if { (eval echo $progname:1130: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
1131           pipe_works=yes
1132         else
1133           echo "$progname: failed program was:" >&5
1134           cat conftest.c >&5
1135         fi
1136         LIBS="$save_LIBS"
1137       else
1138         echo "cannot find nm_test_func in $nlist" >&5
1139       fi
1140     else
1141       echo "cannot find nm_test_var in $nlist" >&5
1142     fi
1143   else
1144     echo "cannot run $global_symbol_pipe" >&5
1145   fi
1146 else
1147   echo "$progname: failed program was:" >&5
1148   cat conftest.c >&5
1149 fi
1150 $rm conftest*
1151
1152 # Do not use the global_symbol_pipe unless it works.
1153 echo "$ac_t$pipe_works" 1>&6
1154 test "$pipe_works" = yes || global_symbol_pipe=
1155
1156 # Check hardcoding attributes.
1157 echo $ac_n "checking how to hardcode library paths into programs... $ac_c" 1>&6
1158 hardcode_action=
1159 if test -n "$hardcode_libdir_flag_spec" || \
1160    test -n "$runpath_var"; then
1161
1162   # We can hardcode non-existant directories.
1163   if test "$hardcode_direct" != no && \
1164      test "$hardcode_minus_L" != no && \
1165      test "$hardcode_shlibpath_var" != no; then
1166
1167     # Linking always hardcodes the temporary library directory.
1168     hardcode_action=relink
1169   else
1170     # We can link without hardcoding, and we can hardcode nonexisting dirs.
1171     hardcode_action=immediate
1172   fi
1173 else
1174   # We cannot hardcode anything, or else we can only hardcode existing
1175   # directories.
1176   hardcode_action=unsupported
1177 fi
1178 echo "$ac_t$hardcode_action" 1>&6
1179
1180
1181 reload_flag=
1182 reload_cmds='$LD$reload_flag -o $output$reload_objs'
1183 echo $ac_n "checking for $LD option to reload object files... $ac_c" 1>&6
1184 # PORTME Some linkers may need a different reload flag.
1185 reload_flag='-r'
1186 echo "$ac_t$reload_flag" 1>&6
1187 test -n "$reload_flag" && reload_flag=" $reload_flag"
1188
1189 # PORTME Fill in your ld.so characteristics
1190 library_names_spec=
1191 libname_spec='lib$name'
1192 soname_spec=
1193 postinstall_cmds=
1194 postuninstall_cmds=
1195 finish_cmds=
1196 finish_eval=
1197 shlibpath_var=
1198 version_type=none
1199 dynamic_linker="$host_os ld.so"
1200
1201 echo $ac_n "checking dynamic linker characteristics... $ac_c" 1>&6
1202 case "$host_os" in
1203 aix3* | aix4*)
1204   version_type=linux
1205   library_names_spec='${libname}${release}.so$versuffix $libname.a'
1206   shlibpath_var=LIBPATH
1207
1208   # AIX has no versioning support, so we append a major version to the name.
1209   soname_spec='${libname}${release}.so$major'
1210   ;;
1211
1212 amigaos*)
1213   library_names_spec='$libname.ixlibrary $libname.a'
1214   # Create ${libname}_ixlibrary.a entries in /sys/libs.
1215   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 ${libname}_ixlibrary.a) || exit 1; done'
1216   ;;
1217
1218 cygwin32*)
1219   version_type=windows
1220   library_names_spec='${libname}`echo ${release} | sed -e 's/[.]/-/g'`${versuffix}.dll $libname.a'
1221   dynamic_linker='Win32 ld.exe'
1222   shlibpath_var=PATH
1223   ;;
1224
1225 freebsd2* | freebsd3*)
1226   version_type=sunos
1227   library_names_spec='${libname}${release}.so$versuffix $libname.so'
1228   finish_cmds='PATH="\$PATH:/sbin" ldconfig -m $libdir'
1229   shlibpath_var=LD_LIBRARY_PATH
1230   ;;
1231
1232 gnu*)
1233   version_type=sunos
1234   library_names_spec='${libname}${release}.so$versuffix'
1235   shlibpath_var=LD_LIBRARY_PATH
1236   ;;
1237
1238 hpux9* | hpux10* | hpux11*)
1239   # Give a soname corresponding to the major version so that dld.sl refuses to
1240   # link against other versions.
1241   dynamic_linker="$host_os dld.sl"
1242   version_type=sunos
1243   shlibpath_var=SHLIB_PATH
1244   library_names_spec='${libname}${release}.sl$versuffix ${libname}${release}.sl$major $libname.sl'
1245   soname_spec='${libname}${release}.sl$major'
1246   # HP-UX runs *really* slowly unless shared libraries are mode 555.
1247   postinstall_cmds='chmod 555 $lib'
1248   ;;
1249
1250 irix5* | irix6*)
1251   version_type=osf
1252   soname_spec='${libname}${release}.so'
1253   library_names_spec='${libname}${release}.so$versuffix $libname.so'
1254   shlibpath_var=LD_LIBRARY_PATH
1255   ;;
1256
1257 # No shared lib support for Linux oldld, aout, or coff.
1258 linux-gnuoldld* | linux-gnuaout* | linux-gnucoff*)
1259   dynamic_linker=no
1260   ;;
1261
1262 # This must be Linux ELF.
1263 linux-gnu*)
1264   version_type=linux
1265   library_names_spec='${libname}${release}.so$versuffix ${libname}${release}.so$major $libname.so'
1266   soname_spec='${libname}${release}.so$major'
1267   finish_cmds='PATH="\$PATH:/sbin" ldconfig -n $libdir'
1268   shlibpath_var=LD_LIBRARY_PATH
1269
1270   if test -f /lib/ld.so.1; then
1271     dynamic_linker='GNU ld.so'
1272   else
1273     # Only the GNU ld.so supports shared libraries on MkLinux.
1274     case "$host_cpu" in
1275     powerpc*) dynamic_linker=no ;;
1276     *) dynamic_linker='Linux ld.so' ;;
1277     esac
1278   fi
1279   ;;
1280
1281 netbsd* | openbsd*)
1282   version_type=sunos
1283   library_names_spec='${libname}${release}.so$versuffix'
1284   finish_cmds='PATH="\$PATH:/sbin" ldconfig -m $libdir'
1285   shlibpath_var=LD_LIBRARY_PATH
1286   ;;
1287
1288 os2*)
1289   libname_spec='$name'
1290   library_names_spec='$libname.dll $libname.a'
1291   dynamic_linker='OS/2 ld.exe'
1292   shlibpath_var=LIBPATH
1293   ;;
1294
1295 osf3* | osf4*)
1296   version_type=osf
1297   soname_spec='${libname}${release}.so'
1298   library_names_spec='${libname}${release}.so$versuffix $libname.so'
1299   shlibpath_var=LD_LIBRARY_PATH
1300   ;;
1301
1302 sco3.2v5*)
1303   version_type=osf
1304   soname_spec='${libname}${release}.so$major'
1305   library_names_spec='${libname}${release}.so$versuffix ${libname}${release}.so$major $libname.so'
1306   shlibpath_var=LD_LIBRARY_PATH
1307   ;;
1308
1309 solaris2*)
1310   version_type=linux
1311   library_names_spec='${libname}${release}.so$versuffix ${libname}${release}.so$major $libname.so'
1312   soname_spec='${libname}${release}.so$major'
1313   shlibpath_var=LD_LIBRARY_PATH
1314   ;;
1315
1316 sunos4*)
1317   version_type=sunos
1318   library_names_spec='${libname}${release}.so$versuffix'
1319   finish_cmds='PATH="\$PATH:/usr/etc" ldconfig $libdir'
1320   shlibpath_var=LD_LIBRARY_PATH
1321   ;;
1322
1323 sysv4.2uw2*)
1324   version_type=linux
1325   library_names_spec='${libname}${release}.so$versuffix ${libname}${release}.so$major $libname.so'
1326   soname_spec='${libname}${release}.so$major'
1327   shlibpath_var=LD_LIBRARY_PATH
1328   ;;
1329
1330 uts4*)
1331   version_type=linux
1332   library_names_spec='${libname}${release}.so$versuffix ${libname}${release}.so$major $libname.so'
1333   soname_spec='${libname}${release}.so$major'
1334   shlibpath_var=LD_LIBRARY_PATH
1335   ;;
1336
1337 *)
1338   dynamic_linker=no
1339   ;;
1340 esac
1341 echo "$ac_t$dynamic_linker"
1342 test "$dynamic_linker" = no && can_build_shared=no
1343
1344 # Report the final consequences.
1345 echo "checking if libtool supports shared libraries... $can_build_shared" 1>&6
1346
1347 echo $ac_n "checking whether to build shared libraries... $ac_c" 1>&6
1348 test "$can_build_shared" = "no" && enable_shared=no
1349
1350 # On AIX, shared libraries and static libraries use the same namespace, and
1351 # are all built from PIC.
1352 case "$host_os" in
1353 aix*)
1354   test "$enable_shared" = yes && enable_static=no
1355   if test -n "$RANLIB"; then
1356     archive_cmds="$archive_cmds;\$RANLIB \$lib"
1357     postinstall_cmds='$RANLIB $lib'
1358   fi
1359   ;;
1360 esac
1361
1362 echo "$ac_t$enable_shared" 1>&6
1363
1364 # Make sure either enable_shared or enable_static is yes.
1365 test "$enable_shared" = yes || enable_static=yes
1366
1367 echo "checking whether to build static libraries... $enable_static" 1>&6
1368
1369 echo $ac_n "checking for objdir... $ac_c" 1>&6
1370 rm -f .libs 2>/dev/null
1371 mkdir .libs 2>/dev/null
1372 if test -d .libs; then
1373   objdir=.libs
1374 else
1375   # MS-DOS does not allow filenames that begin with a dot.
1376   objdir=_libs
1377 fi
1378 rmdir .libs 2>/dev/null
1379 echo "$ac_t$objdir" 1>&6
1380
1381 # Copy echo and quote the copy, instead of the original, because it is
1382 # used later.
1383 ltecho="$echo"
1384
1385 # Now quote all the things that may contain metacharacters.
1386 for var in ltecho old_CC old_CFLAGS old_CPPFLAGS old_LD old_NM old_RANLIB \
1387   old_LN_S old_DLLTOOL old_AS AR CC LD LN_S NM DLLTOOL AS reload_flag \
1388   reload_cmds wl pic_flag link_static_flag no_builtin_flag \
1389   export_dynamic_flag_spec libname_spec library_names_spec soname_spec RANLIB \
1390   old_archive_cmds old_archive_from_new_cmds old_postinstall_cmds \
1391   old_postuninstall_cmds archive_cmds postinstall_cmds postuninstall_cmds \
1392   allow_undefined_flag no_undefined_flag \
1393   finish_cmds finish_eval global_symbol_pipe \
1394   hardcode_libdir_flag_spec hardcode_libdir_separator; do
1395
1396   case "$var" in
1397   reload_cmds | old_archive_cmds | old_archive_from_new_cmds | \
1398   old_postinstall_cmds | old_postuninstall_cmds | archive_cmds | \
1399   postinstall_cmds | postuninstall_cmds | finish_cmds)
1400     # Double-quote double-evaled strings.
1401     eval "$var=\`\$echo \"X\$$var\" | \$Xsed -e \"\$double_quote_subst\" -e \"\$sed_quote_subst\"\`"
1402     ;;
1403   *)
1404     eval "$var=\`\$echo \"X\$$var\" | \$Xsed -e \"\$sed_quote_subst\"\`"
1405     ;;
1406   esac
1407 done
1408
1409 trap "$rm \"$ofile\"; exit 1" 1 2 15
1410 echo "creating $ofile"
1411 $rm "$ofile"
1412 cat <<EOF > "$ofile"
1413 #! $SHELL
1414
1415 # `$echo "$ofile" | sed 's%^.*/%%'` - Provide generalized library-building support services.
1416 # Generated automatically by $PROGRAM - GNU $PACKAGE $VERSION
1417 # NOTE: Changes made to this file will be lost: look at ltconfig or ltmain.sh.
1418 #
1419 # Copyright (C) 1996-1998 Free Software Foundation, Inc.
1420 # Gordon Matzigkeit <gord@gnu.ai.mit.edu>, 1996
1421 #
1422 # This program is free software; you can redistribute it and/or modify
1423 # it under the terms of the GNU General Public License as published by
1424 # the Free Software Foundation; either version 2 of the License, or
1425 # (at your option) any later version.
1426 #
1427 # This program is distributed in the hope that it will be useful, but
1428 # WITHOUT ANY WARRANTY; without even the implied warranty of
1429 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
1430 # General Public License for more details.
1431 #
1432 # You should have received a copy of the GNU General Public License
1433 # along with this program; if not, write to the Free Software
1434 # Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
1435 #
1436 # As a special exception to the GNU General Public License, if you
1437 # distribute this file as part of a program that contains a
1438 # configuration script generated by Autoconf, you may include it under
1439 # the same distribution terms that you use for the rest of that program.
1440
1441 # Sed that helps us avoid accidentally triggering echo(1) options like -n.
1442 Xsed="sed -e s/^X//"
1443
1444 # The HP-UX ksh and POSIX shell print the target directory to stdout
1445 # if CDPATH is set.
1446 if test "\${CDPATH+set}" = set; then CDPATH=; export CDPATH; fi
1447
1448 ### BEGIN LIBTOOL CONFIG
1449 # Libtool was configured as follows, on host `(hostname || uname -n) 2>/dev/null | sed 1q`:
1450 #
1451 # CC="$old_CC" CFLAGS="$old_CFLAGS" CPPFLAGS="$old_CPPFLAGS" \\
1452 # LD="$old_LD" NM="$old_NM" RANLIB="$old_RANLIB" LN_S="$old_LN_S" \\
1453 # DLLTOOL="$old_DLLTOOL" AS="$old_AS" \\
1454 #   $0$ltconfig_args
1455 #
1456 # Compiler and other test output produced by $progname, useful for
1457 # debugging $progname, is in ./config.log if it exists.
1458
1459 # The version of $progname that generated this script.
1460 LTCONFIG_VERSION="$VERSION"
1461
1462 # Shell to use when invoking shell scripts.
1463 SHELL="$SHELL"
1464
1465 # Whether or not to build shared libraries.
1466 build_libtool_libs=$enable_shared
1467
1468 # Whether or not to build static libraries.
1469 build_old_libs=$enable_static
1470
1471 # The host system.
1472 host_alias="$host_alias"
1473 host="$host"
1474
1475 # An echo program that does not interpret backslashes.
1476 echo="$ltecho"
1477
1478 # The archiver.
1479 AR="$AR"
1480
1481 # The default C compiler.
1482 CC="$CC"
1483
1484 # The linker used to build libraries.
1485 LD="$LD"
1486
1487 # Whether we need hard or soft links.
1488 LN_S="$LN_S"
1489
1490 # A BSD-compatible nm program.
1491 NM="$NM"
1492
1493 # Used on cygwin32: DLL creation program.
1494 DLLTOOL="$DLLTOOL"
1495
1496 # Used on cygwin32: assembler.
1497 AS="$AS"
1498
1499 # The name of the directory that contains temporary libtool files.
1500 objdir="$objdir"
1501
1502 # How to create reloadable object files.
1503 reload_flag="$reload_flag"
1504 reload_cmds="$reload_cmds"
1505
1506 # How to pass a linker flag through the compiler.
1507 wl="$wl"
1508
1509 # Additional compiler flags for building library objects.
1510 pic_flag="$pic_flag"
1511
1512 # Compiler flag to prevent dynamic linking.
1513 link_static_flag="$link_static_flag"
1514
1515 # Compiler flag to turn off builtin functions.
1516 no_builtin_flag="$no_builtin_flag"
1517
1518 # Compiler flag to allow reflexive dlopens.
1519 export_dynamic_flag_spec="$export_dynamic_flag_spec"
1520
1521 # Library versioning type.
1522 version_type=$version_type
1523
1524 # Format of library name prefix.
1525 libname_spec="$libname_spec"
1526
1527 # List of archive names.  First name is the real one, the rest are links.
1528 # The last name is the one that the linker finds with -lNAME.
1529 library_names_spec="$library_names_spec"
1530
1531 # The coded name of the library, if different from the real name.
1532 soname_spec="$soname_spec"
1533
1534 # Commands used to build and install an old-style archive.
1535 RANLIB="$RANLIB"
1536 old_archive_cmds="$old_archive_cmds"
1537 old_postinstall_cmds="$old_postinstall_cmds"
1538 old_postuninstall_cmds="$old_postuninstall_cmds"
1539
1540 # Create an old-style archive from a shared archive.
1541 old_archive_from_new_cmds="$old_archive_from_new_cmds"
1542
1543 # Commands used to build and install a shared archive.
1544 archive_cmds="$archive_cmds"
1545 postinstall_cmds="$postinstall_cmds"
1546 postuninstall_cmds="$postuninstall_cmds"
1547
1548 # Flag that allows shared libraries with undefined symbols to be built.
1549 allow_undefined_flag="$allow_undefined_flag"
1550
1551 # Flag that forces no undefined symbols.
1552 no_undefined_flag="$no_undefined_flag"
1553
1554 # Commands used to finish a libtool library installation in a directory.
1555 finish_cmds="$finish_cmds"
1556
1557 # Same as above, but a single script fragment to be evaled but not shown.
1558 finish_eval="$finish_eval"
1559
1560 # Take the output of nm and produce a listing of raw symbols and C names.
1561 global_symbol_pipe="$global_symbol_pipe"
1562
1563 # This is the shared library runtime path variable.
1564 runpath_var=$runpath_var
1565
1566 # This is the shared library path variable.
1567 shlibpath_var=$shlibpath_var
1568
1569 # How to hardcode a shared library path into an executable.
1570 hardcode_action=$hardcode_action
1571
1572 # Flag to hardcode \$libdir into a binary during linking.
1573 # This must work even if \$libdir does not exist.
1574 hardcode_libdir_flag_spec="$hardcode_libdir_flag_spec"
1575
1576 # Whether we need a single -rpath flag with a separated argument.
1577 hardcode_libdir_separator="$hardcode_libdir_separator"
1578
1579 # Set to yes if using DIR/libNAME.so during linking hardcodes DIR into the
1580 # resulting binary.
1581 hardcode_direct=$hardcode_direct
1582
1583 # Set to yes if using the -LDIR flag during linking hardcodes DIR into the
1584 # resulting binary.
1585 hardcode_minus_L=$hardcode_minus_L
1586
1587 # Set to yes if using SHLIBPATH_VAR=DIR during linking hardcodes DIR into
1588 # the resulting binary.
1589 hardcode_shlibpath_var=$hardcode_shlibpath_var
1590 EOF
1591
1592 case "$host_os" in
1593 aix3*)
1594   cat <<\EOF >> "$ofile"
1595
1596 # AIX sometimes has problems with the GCC collect2 program.  For some
1597 # reason, if we set the COLLECT_NAMES environment variable, the problems
1598 # vanish in a puff of smoke.
1599 if test "${COLLECT_NAMES+set}" != set; then
1600   COLLECT_NAMES=
1601   export COLLECT_NAMES
1602 fi
1603 EOF
1604   ;;
1605 esac
1606
1607 echo '### END LIBTOOL CONFIG' >> "$ofile"
1608 echo >> "$ofile"
1609
1610 # Append the ltmain.sh script.
1611 cat "$ltmain" >> "$ofile" || (rm -f "$ofile"; exit 1)
1612
1613 chmod +x "$ofile"
1614 exit 0
1615
1616 # Local Variables:
1617 # mode:shell-script
1618 # sh-indentation:2
1619 # End: