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  60 # Same as above, but do not quote variable references.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