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