ltconfig

   1 #! /bin/sh
   2
   3 # ltconfig - Create a system-specific libtool.
   4 # Copyright (C) 1996-1998 Free Software Foundation, Inc.
   5 # Gordon Matzigkeit <gord@gnu.ai.mit.edu>, 1996
   6 #
   7 # This file is free software; you can redistribute it and/or modify it
   8 # under the terms of the GNU General Public License as published by
   9 # the Free Software Foundation; either version 2 of the License, or
  10 # (at your option) any later version.
  11 #
  12 # This program is distributed in the hope that it will be useful, but
  13 # WITHOUT ANY WARRANTY; without even the implied warranty of
  14 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  15 # General Public License for more details.
  16 #
  17 # You should have received a copy of the GNU General Public License
  18 # along with this program; if not, write to the Free Software
  19 # Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
  20 #
  21 # As a special exception to the GNU General Public License, if you
  22 # distribute this file as part of a program that contains a
  23 # configuration script generated by Autoconf, you may include it under
  24 # the same distribution terms that you use for the rest of that program.
  25
  26 # A lot of this script is taken from autoconf-2.10.
  27
  28 # Check that we are running under the correct shell.
  29 SHELL=${CONFIG_SHELL-/bin/sh}
  30 if test "X$1" = "X--no-reexec"; then
  31   # Discard the --no-reexec flag, and continue.
  32   shift
  33 elif test "X$SHELL" != X/bin/sh; then
  34   # Restart under the correct shell.
  35   exec "$SHELL" "$0" --no-reexec ${1+"$@"}
  36 fi
  37
  38 # The HP-UX ksh and POSIX shell print the target directory to stdout
  39 # if CDPATH is set.
  40 if test "${CDPATH+set}" = set; then CDPATH=; export CDPATH; fi
  41
  42 echo=echo
  43 if test "X`($echo '\t') 2>/dev/null`" = 'X\t'; then :
  44 else
  45   # The Solaris, AIX, and Digital Unix default echo programs unquote
  46   # backslashes.  This makes it impossible to quote backslashes using
  47   #   echo "$something" | sed 's/\\/\\\\/g'
  48   #
  49   # So, first we look for a working echo in the user's PATH.
  50   IFS="${IFS=   }"; save_ifs="$IFS"; IFS="${IFS}:"
  51   for dir in $PATH /usr/ucb; do
  52     if test -f $dir/echo && test "X`($dir/echo '\t') 2>/dev/null`" = 'X\t'; then
  53       echo="$dir/echo"
  54       break
  55     fi
  56   done
  57   IFS="$save_ifs"
  58
  59   if test "X$echo" = Xecho; then
  60     # We didn't find a better echo, so look for alternatives.
  61     if test "X`(print -r '\t') 2>/dev/null`" = 'X\t'; then
  62       # This shell has a builtin print -r that does the trick.
  63       echo='print -r'
  64 #    elif test -f /bin/ksh && test "X$CONFIG_SHELL" != X/bin/ksh; then
  65 #      # If we have ksh, try running ltconfig again with it.
  66 #      CONFIG_SHELL=/bin/ksh
  67 #      export CONFIG_SHELL
  68 #      exec "$CONFIG_SHELL" "$0" --no-reexec ${1+"$@"}
  69     else
  70       # Try using printf.
  71       echo='printf %s\n'
  72       if test "X`($echo '\t') 2>/dev/null`" = 'X\t'; then :
  73       else
  74         # Oops.  We lost completely, so just stick with echo.
  75         echo=echo
  76       fi
  77     fi
  78   fi
  79 fi
  80
  81 # Sed substitution that helps us do robust quoting.  It backslashifies
  82 # metacharacters that are still active within double-quoted strings.
  83 Xsed='sed -e s/^X//'
  84 sed_quote_subst='s/\([\\"\\`$\\\\]\)/\\\1/g'
  85
  86 # Same as above, but do not quote variable references.
  87 double_quote_subst='s/\([\\"\\`\\\\]\)/\\\1/g'
  88
  89 # The name of this program.
  90 progname=`$echo "X$0" | $Xsed -e 's%^.*/%%'`
  91
  92 # Constants:
  93 PROGRAM=ltconfig
  94 PACKAGE=libtool
  95 VERSION=1.2a
  96 ac_compile='${CC-cc} -c $CFLAGS $CPPFLAGS conftest.c 1>&5'
  97 ac_link='${CC-cc} -o conftest $CFLAGS $CPPFLAGS $LDFLAGS conftest.c $LIBS 1>&5'
  98 rm="rm -f"
  99
 100 help="Try \`$progname --help' for more information."
 101
 102 # Global variables:
 103 default_ofile=libtool
 104 can_build_shared=yes
 105 enable_shared=yes
 106 # All known linkers require a `.a' archive for static linking.
 107 enable_static=yes
 108 ltmain=
 109 silent=
 110 srcdir=
 111 ac_config_guess=
 112 ac_config_sub=
 113 host=
 114 nonopt=
 115 ofile="$default_ofile"
 116 verify_host=yes
 117 with_gcc=no
 118 with_gnu_ld=no
 119 objext=o
 120 libext=a
 121
 122 old_AR="$AR"
 123 old_CC="$CC"
 124 old_CFLAGS="$CFLAGS"
 125 old_CPPFLAGS="$CPPFLAGS"
 126 old_LD="$LD"
 127 old_LN_S="$LN_S"
 128 old_NM="$NM"
 129 old_RANLIB="$RANLIB"
 130 old_DLLTOOL="$DLLTOOL"
 131 old_AS="$AS"
 132
 133 # Parse the command line options.
 134 args=
 135 prev=
 136 for option
 137 do
 138   case "$option" in
 139   -*=*) optarg=`echo "$option" | sed 's/[-_a-zA-Z0-9]*=//'` ;;
 140   *) optarg= ;;
 141   esac
 142
 143   # If the previous option needs an argument, assign it.
 144   if test -n "$prev"; then
 145     eval "$prev=\$option"
 146     prev=
 147     continue
 148   fi
 149
 150   case "$option" in
 151   --help) cat <<EOM
 152 Usage: $progname [OPTION]... LTMAIN [HOST]
 153
 154 Generate a system-specific libtool script.
 155
 156     --debug                enable verbose shell tracing
 157     --disable-shared       do not build shared libraries
 158     --disable-static       do not build static libraries
 159     --help                 display this help and exit
 160     --no-verify            do not verify that HOST is a valid host type
 161 -o, --output=FILE          specify the output file [default=$default_ofile]
 162     --quiet                same as \`--silent'
 163     --silent               do not print informational messages
 164     --srcdir=DIR           find \`config.guess' in DIR
 165     --version              output version information and exit
 166     --with-gcc             assume that the GNU C compiler will be used
 167     --with-gnu-ld          assume that the C compiler uses the GNU linker
 168
 169 LTMAIN is the \`ltmain.sh' shell script fragment that provides basic libtool
 170 functionality.
 171
 172 HOST is the canonical host system name [default=guessed].
 173 EOM
 174   exit 0
 175   ;;
 176
 177   --debug)
 178     echo "$progname: enabling shell trace mode"
 179     set -x
 180     ;;
 181
 182   --disable-shared) enable_shared=no ;;
 183
 184   --disable-static) enable_static=no ;;
 185
 186   --quiet | --silent) silent=yes ;;
 187
 188   --srcdir) prev=srcdir ;;
 189   --srcdir=*) srcdir="$optarg" ;;
 190
 191   --no-verify) verify_host=no ;;
 192
 193   --output | -o) prev=ofile ;;
 194   --output=*) ofile="$optarg" ;;
 195
 196   --version) echo "$PROGRAM (GNU $PACKAGE) $VERSION"; exit 0 ;;
 197
 198   --with-gcc) with_gcc=yes ;;
 199   --with-gnu-ld) with_gnu_ld=yes ;;
 200
 201   -*)
 202     echo "$progname: unrecognized option \`$option'" 1>&2
 203     echo "$help" 1>&2
 204     exit 1
 205     ;;
 206
 207   *)
 208     if test -z "$ltmain"; then
 209       ltmain="$option"
 210     elif test -z "$host"; then
 211 # This generates an unnecessary warning for sparc-sun-solaris4.1.3_U1
 212 #      if test -n "`echo $option| sed 's/[-a-z0-9.]//g'`"; then
 213 #        echo "$progname: warning \`$option' is not a valid host type" 1>&2
 214 #      fi
 215       host="$option"
 216     else
 217       echo "$progname: too many arguments" 1>&2
 218       echo "$help" 1>&2
 219       exit 1
 220     fi ;;
 221   esac
 222 done
 223
 224 if test -z "$ltmain"; then
 225   echo "$progname: you must specify a LTMAIN file" 1>&2
 226   echo "$help" 1>&2
 227   exit 1
 228 fi
 229
 230 if test -f "$ltmain"; then :
 231 else
 232   echo "$progname: \`$ltmain' does not exist" 1>&2
 233   echo "$help" 1>&2
 234   exit 1
 235 fi
 236
 237 # Quote any args containing shell metacharacters.
 238 ltconfig_args=
 239 for arg
 240 do
 241   case "$arg" in
 242   *" "*|*"      "*|*[\[\]\~\#\$\^\&\*\(\)\{\}\\\|\;\<\>\?]*)
 243   ltconfig_args="$ltconfig_args '$arg'" ;;
 244   *) ltconfig_args="$ltconfig_args $arg" ;;
 245   esac
 246 done
 247
 248 # A relevant subset of AC_INIT.
 249
 250 # File descriptor usage:
 251 # 0 standard input
 252 # 1 file creation
 253 # 2 errors and warnings
 254 # 3 some systems may open it to /dev/tty
 255 # 4 used on the Kubota Titan
 256 # 5 compiler messages saved in config.log
 257 # 6 checking for... messages and results
 258 if test "$silent" = yes; then
 259   exec 6>/dev/null
 260 else
 261   exec 6>&1
 262 fi
 263 exec 5>>./config.log
 264
 265 # NLS nuisances.
 266 # Only set LANG and LC_ALL to C if already set.
 267 # These must not be set unconditionally because not all systems understand
 268 # e.g. LANG=C (notably SCO).
 269 if test "${LC_ALL+set}" = set; then LC_ALL=C; export LC_ALL; fi
 270 if test "${LANG+set}"   = set; then LANG=C;   export LANG;   fi
 271
 272 if (echo "testing\c"; echo 1,2,3) | grep c >/dev/null; then
 273   # Stardent Vistra SVR4 grep lacks -e, says ghazi@caip.rutgers.edu.
 274   if (echo -n testing; echo 1,2,3) | sed s/-n/xn/ | grep xn >/dev/null; then
 275     ac_n= ac_c='
 276 ' ac_t='        '
 277   else
 278     ac_n=-n ac_c= ac_t=
 279   fi
 280 else
 281   ac_n= ac_c='\c' ac_t=
 282 fi
 283
 284 if test -z "$srcdir"; then
 285   # Assume the source directory is the same one as the path to ltmain.sh.
 286   srcdir=`$echo "$ltmain" | $Xsed -e 's%/[^/]*$%%'`
 287   test "$srcdir" = "$ltmain" && srcdir=.
 288 fi
 289
 290 trap "$rm conftest*; exit 1" 1 2 15
 291 if test "$verify_host" = yes; then
 292   # Check for config.guess and config.sub.
 293   ac_aux_dir=
 294   for ac_dir in $srcdir $srcdir/.. $srcdir/../..; do
 295     if test -f $ac_dir/config.guess; then
 296       ac_aux_dir=$ac_dir
 297       break
 298     fi
 299   done
 300   if test -z "$ac_aux_dir"; then
 301     echo "$progname: cannot find config.guess in $srcdir $srcdir/.. $srcdir/../.." 1>&2
 302     echo "$help" 1>&2
 303     exit 1
 304   fi
 305   ac_config_guess=$ac_aux_dir/config.guess
 306   ac_config_sub=$ac_aux_dir/config.sub
 307
 308   # Make sure we can run config.sub.
 309   if $SHELL $ac_config_sub sun4 >/dev/null 2>&1; then :
 310   else
 311     echo "$progname: cannot run $ac_config_sub" 1>&2
 312     echo "$help" 1>&2
 313     exit 1
 314   fi
 315
 316   echo $ac_n "checking host system type""... $ac_c" 1>&6
 317
 318   host_alias=$host
 319   case "$host_alias" in
 320   "")
 321     if host_alias=`$SHELL $ac_config_guess`; then :
 322     else
 323       echo "$progname: cannot guess host type; you must specify one" 1>&2
 324       echo "$help" 1>&2
 325       exit 1
 326     fi ;;
 327   esac
 328   host=`$SHELL $ac_config_sub $host_alias`
 329   echo "$ac_t$host" 1>&6
 330
 331   # Make sure the host verified.
 332   test -z "$host" && exit 1
 333
 334 elif test -z "$host"; then
 335   echo "$progname: you must specify a host type if you use \`--no-verify'" 1>&2
 336   echo "$help" 1>&2
 337   exit 1
 338 else
 339   host_alias=$host
 340 fi
 341
 342 # Transform linux* to *-*-linux-gnu*, to support old configure scripts.
 343 case "$host_os" in
 344 linux-gnu*) ;;
 345 linux*) host=`echo $host | sed 's/^\(.*-.*-linux\)\(.*\)$/\1-gnu\2/'`
 346 esac
 347
 348 host_cpu=`echo $host | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\1/'`
 349 host_vendor=`echo $host | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\2/'`
 350 host_os=`echo $host | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\3/'`
 351
 352 case "$host_os" in
 353 aix3*)
 354   # AIX sometimes has problems with the GCC collect2 program.  For some
 355   # reason, if we set the COLLECT_NAMES environment variable, the problems
 356   # vanish in a puff of smoke.
 357   if test "${COLLECT_NAMES+set}" != set; then
 358     COLLECT_NAMES=
 359     export COLLECT_NAMES
 360   fi
 361   ;;
 362 esac
 363
 364 # Determine commands to create old-style static archives.
 365 old_archive_cmds='$AR cru $oldlib$oldobjs'
 366 old_postinstall_cmds='chmod 644 $oldlib'
 367 old_postuninstall_cmds=
 368
 369 # Set a sane default for `AR'.
 370 test -z "$AR" && AR=ar
 371
 372 # If RANLIB is not set, then run the test.
 373 if test "${RANLIB+set}" != "set"; then
 374   result=no
 375
 376   echo $ac_n "checking for ranlib... $ac_c" 1>&6
 377   IFS="${IFS=   }"; save_ifs="$IFS"; IFS="${IFS}:"
 378   for dir in $PATH; do
 379     test -z "$dir" && dir=.
 380     if test -f $dir/ranlib; then
 381       RANLIB="ranlib"
 382       result="ranlib"
 383       break
 384     fi
 385   done
 386   IFS="$save_ifs"
 387
 388   echo "$ac_t$result" 1>&6
 389 fi
 390
 391 if test -n "$RANLIB"; then
 392   old_archive_cmds="$old_archive_cmds;\$RANLIB \$oldlib"
 393   old_postinstall_cmds="\$RANLIB \$oldlib;$old_postinstall_cmds"
 394 fi
 395
 396 # Set sane defaults for `DLLTOOL' and `AS', used on cygwin32.
 397 test -z "$DLLTOOL" && DLLTOOL=dlltool
 398 test -z "$AS" && AS=as
 399
 400 # Check to see if we are using GCC.
 401 if test "$with_gcc" != yes || test -z "$CC"; then
 402   # If CC is not set, then try to find GCC or a usable CC.
 403   if test -z "$CC"; then
 404     echo $ac_n "checking for gcc... $ac_c" 1>&6
 405     IFS="${IFS=         }"; save_ifs="$IFS"; IFS="${IFS}:"
 406     for dir in $PATH; do
 407       IFS="$save_ifs"
 408       test -z "$dir" && dir=.
 409       if test -f $dir/gcc; then
 410         CC="gcc"
 411         break
 412       fi
 413     done
 414     IFS="$save_ifs"
 415
 416     if test -n "$CC"; then
 417       echo "$ac_t$CC" 1>&6
 418     else
 419       echo "$ac_t"no 1>&6
 420     fi
 421   fi
 422
 423   # Not "gcc", so try "cc", rejecting "/usr/ucb/cc".
 424   if test -z "$CC"; then
 425     echo $ac_n "checking for cc... $ac_c" 1>&6
 426     IFS="${IFS=         }"; save_ifs="$IFS"; IFS="${IFS}:"
 427     cc_rejected=no
 428     for dir in $PATH; do
 429       test -z "$dir" && dir=.
 430       if test -f $dir/cc; then
 431         if test "$dir/cc" = "/usr/ucb/cc"; then
 432           cc_rejected=yes
 433           continue
 434         fi
 435         CC="cc"
 436         break
 437       fi
 438     done
 439     IFS="$save_ifs"
 440     if test $cc_rejected = yes; then
 441       # We found a bogon in the path, so make sure we never use it.
 442       set dummy $CC
 443       shift
 444       if test $# -gt 0; then
 445         # We chose a different compiler from the bogus one.
 446         # However, it has the same name, so the bogon will be chosen
 447         # first if we set CC to just the name; use the full file name.
 448         shift
 449         set dummy "$dir/cc" "$@"
 450         shift
 451         CC="$@"
 452       fi
 453     fi
 454
 455     if test -n "$CC"; then
 456       echo "$ac_t$CC" 1>&6
 457     else
 458       echo "$ac_t"no 1>&6
 459     fi
 460
 461     if test -z "$CC"; then
 462       echo "$progname: error: no acceptable cc found in \$PATH" 1>&2
 463       exit 1
 464     fi
 465   fi
 466
 467   # Now see if the compiler is really GCC.
 468   with_gcc=no
 469   echo $ac_n "checking whether we are using GNU C... $ac_c" 1>&6
 470   echo "$progname:470: checking whether we are using GNU C" >&5
 471
 472   $rm conftest.c
 473   cat > conftest.c <<EOF
 474 #ifdef __GNUC__
 475   yes;
 476 #endif
 477 EOF
 478   if { ac_try='${CC-cc} -E conftest.c'; { (eval echo $progname:478: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }; } | egrep yes >/dev/null 2>&1; then
 479     with_gcc=yes
 480   fi
 481   $rm conftest.c
 482   echo "$ac_t$with_gcc" 1>&6
 483 fi
 484
 485 # Allow CC to be a program name with arguments.
 486 set dummy $CC
 487 compiler="$2"
 488
 489 echo $ac_n "checking for object suffix... $ac_c" 1>&6
 490 $rm conftest*
 491 echo 'int i = 1;' > conftest.c
 492 echo "$progname:492: checking for object suffix" >& 5
 493 if { (eval echo $progname:493: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>conftest.err; }; then
 494   # Append any warnings to the config.log.
 495   cat conftest.err 1>&5
 496
 497   for ac_file in conftest.*; do
 498     case $ac_file in
 499     *.c) ;;
 500     *) objext=`echo $ac_file | sed -e s/conftest.//` ;;
 501     esac
 502   done
 503 else
 504   cat conftest.err 1>&5
 505   echo "$progname: failed program was:" >&5
 506   cat conftest.c >&5
 507 fi
 508 $rm conftest*
 509 echo "$ac_t$objext" 1>&6
 510
 511 echo $ac_n "checking for $compiler option to produce PIC... $ac_c" 1>&6
 512 pic_flag=
 513 special_shlib_compile_flags=
 514 wl=
 515 link_static_flag=
 516 no_builtin_flag=
 517
 518 if test "$with_gcc" = yes; then
 519   wl='-Wl,'
 520   link_static_flag='-static'
 521   no_builtin_flag=' -fno-builtin'
 522
 523   case "$host_os" in
 524   aix3* | aix4* | irix5* | irix6* | osf3* | osf4*)
 525     # PIC is the default for these OSes.
 526     ;;
 527   cygwin32* | mingw32* | os2*)
 528     # We can build DLLs from non-PIC.
 529     ;;
 530   amigaos*)
 531     # FIXME: we need at least 68020 code to build shared libraries, but
 532     # adding the `-m68020' flag to GCC prevents building anything better,
 533     # like `-m68040'.
 534     pic_flag='-m68020 -resident32 -malways-restore-a4'
 535     ;;
 536   *)
 537     pic_flag='-fPIC'
 538     ;;
 539   esac
 540 else
 541   # PORTME Check for PIC flags for the system compiler.
 542   case "$host_os" in
 543   aix3* | aix4*)
 544     # All AIX code is PIC.
 545     link_static_flag='-bnso -bI:/lib/syscalls.exp'
 546     ;;
 547
 548   hpux9* | hpux10* | hpux11*)
 549     # Is there a better link_static_flag that works with the bundled CC?
 550     wl='-Wl,'
 551     link_static_flag="${wl}-a ${wl}archive"
 552     pic_flag='+Z'
 553     ;;
 554
 555   irix5* | irix6*)
 556     wl='-Wl,'
 557     link_static_flag='-non_shared'
 558     # PIC (with -KPIC) is the default.
 559     ;;
 560
 561   cygwin32* | mingw32* | os2*)
 562     # We can build DLLs from non-PIC.
 563     ;;
 564
 565   osf3* | osf4*)
 566     # All OSF/1 code is PIC.
 567     wl='-Wl,'
 568     link_static_flag='-non_shared'
 569     ;;
 570
 571   sco3.2v5*)
 572     pic_flag='-Kpic'
 573     link_static_flag='-dn'
 574     special_shlib_compile_flags='-belf'
 575     ;;
 576
 577   solaris2*)
 578     pic_flag='-KPIC'
 579     link_static_flag='-Bstatic'
 580     wl='-Wl,'
 581     ;;
 582
 583   sunos4*)
 584     pic_flag='-PIC'
 585     link_static_flag='-Bstatic'
 586     wl='-Qoption ld '
 587     ;;
 588
 589   sysv4.2uw2*)
 590     pic_flag='-KPIC'
 591     link_static_flag='-Bstatic'
 592     wl='-Wl,'
 593     ;;
 594
 595   uts4*)
 596     pic_flag='-pic'
 597     link_static_flag='-Bstatic'
 598     ;;
 599
 600   *)
 601     can_build_shared=no
 602     ;;
 603   esac
 604 fi
 605
 606 if test -n "$pic_flag"; then
 607   echo "$ac_t$pic_flag" 1>&6
 608
 609   # Check to make sure the pic_flag actually works.
 610   echo $ac_n "checking if $compiler PIC flag $pic_flag works... $ac_c" 1>&6
 611   $rm conftest*
 612   echo "int some_variable = 0;" > conftest.c
 613   save_CFLAGS="$CFLAGS"
 614   CFLAGS="$CFLAGS $pic_flag -DPIC"
 615   echo "$progname:615: checking if $compiler PIC flag $pic_flag works" >&5
 616   if { (eval echo $progname:616: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>conftest.err; } && test -s conftest.$objext; then
 617     # Append any warnings to the config.log.
 618     cat conftest.err 1>&5
 619
 620     # On HP-UX, both CC and GCC only warn that PIC is supported... then they
 621     # create non-PIC objects.  So, if there were any warnings, we assume that
 622     # PIC is not supported.
 623     if test -s conftest.err; then
 624       echo "$ac_t"no 1>&6
 625       can_build_shared=no
 626       pic_flag=
 627     else
 628       echo "$ac_t"yes 1>&6
 629       pic_flag=" $pic_flag"
 630     fi
 631   else
 632     # Append any errors to the config.log.
 633     cat conftest.err 1>&5
 634     can_build_shared=no
 635     pic_flag=
 636     echo "$ac_t"no 1>&6
 637   fi
 638   CFLAGS="$save_CFLAGS"
 639   $rm conftest*
 640 else
 641   echo "$ac_t"none 1>&6
 642 fi
 643
 644 # Check for any special shared library compilation flags.
 645 if test -n "$special_shlib_compile_flags"; then
 646   echo "$progname: warning: \`$CC' requires \`$special_shlib_compile_flags' to build shared libraries" 1>&2
 647   if echo "$old_CC $old_CFLAGS " | egrep -e "[  ]$special_shlib_compile_flags[  ]" >/dev/null; then :
 648   else
 649     echo "$progname: add \`$special_shlib_compile_flags' to the CC or CFLAGS env variable and reconfigure" 1>&2
 650     can_build_shared=no
 651   fi
 652 fi
 653
 654 echo $ac_n "checking if $compiler static flag $link_static_flag works... $ac_c" 1>&6
 655 $rm conftest*
 656 echo 'main(){return(0);}' > conftest.c
 657 save_LDFLAGS="$LDFLAGS"
 658 LDFLAGS="$LDFLAGS $link_static_flag"
 659 echo "$progname:659: checking if $compiler static flag $link_static_flag works" >&5
 660 if { (eval echo $progname:660: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
 661   echo "$ac_t$link_static_flag" 1>&6
 662 else
 663   echo "$ac_t"none 1>&6
 664   link_static_flag=
 665 fi
 666 LDFLAGS="$save_LDFLAGS"
 667 $rm conftest*
 668
 669 if test -z "$LN_S"; then
 670   # Check to see if we can use ln -s, or we need hard links.
 671   echo $ac_n "checking whether ln -s works... $ac_c" 1>&6
 672   $rm conftestdata
 673   if ln -s X conftestdata 2>/dev/null; then
 674     $rm conftestdata
 675     LN_S="ln -s"
 676   else
 677     LN_S=ln
 678   fi
 679   if test "$LN_S" = "ln -s"; then
 680     echo "$ac_t"yes 1>&6
 681   else
 682     echo "$ac_t"no 1>&6
 683   fi
 684 fi
 685
 686 # Make sure LD is an absolute path.
 687 if test -z "$LD"; then
 688   ac_prog=ld
 689   if test "$with_gcc" = yes; then
 690     # Check if gcc -print-prog-name=ld gives a path.
 691     echo $ac_n "checking for ld used by GCC... $ac_c" 1>&6
 692     echo "$progname:692: checking for ld used by GCC" >&5
 693     ac_prog=`($CC -print-prog-name=ld) 2>&5`
 694     case "$ac_prog" in
 695     # Accept absolute paths.
 696     /* | [A-Za-z]:\\*)
 697       test -z "$LD" && LD="$ac_prog"
 698       ;;
 699     "")
 700       # If it fails, then pretend we are not using GCC.
 701       ac_prog=ld
 702       ;;
 703     *)
 704       # If it is relative, then search for the first ld in PATH.
 705       with_gnu_ld=unknown
 706       ;;
 707     esac
 708   elif test "$with_gnu_ld" = yes; then
 709     echo $ac_n "checking for GNU ld... $ac_c" 1>&6
 710     echo "$progname:710: checking for GNU ld" >&5
 711   else
 712     echo $ac_n "checking for non-GNU ld""... $ac_c" 1>&6
 713     echo "$progname:713: checking for non-GNU ld" >&5
 714   fi
 715
 716   if test -z "$LD"; then
 717     IFS="${IFS=         }"; ac_save_ifs="$IFS"; IFS="${IFS}:"
 718     for ac_dir in $PATH; do
 719       test -z "$ac_dir" && ac_dir=.
 720       if test -f "$ac_dir/$ac_prog"; then
 721         LD="$ac_dir/$ac_prog"
 722         # Check to see if the program is GNU ld.  I'd rather use --version,
 723         # but apparently some GNU ld's only accept -v.
 724         # Break only if it was the GNU/non-GNU ld that we prefer.
 725         if "$LD" -v 2>&1 < /dev/null | egrep '(GNU|with BFD)' > /dev/null; then
 726           test "$with_gnu_ld" != no && break
 727         else
 728           test "$with_gnu_ld" != yes && break
 729         fi
 730       fi
 731     done
 732     IFS="$ac_save_ifs"
 733   fi
 734
 735   if test -n "$LD"; then
 736     echo "$ac_t$LD" 1>&6
 737   else
 738     echo "$ac_t"no 1>&6
 739   fi
 740
 741   if test -z "$LD"; then
 742     echo "$progname: error: no acceptable ld found in \$PATH" 1>&2
 743     exit 1
 744   fi
 745 fi
 746
 747 # Check to see if it really is or is not GNU ld.
 748 echo $ac_n "checking if the linker ($LD) is GNU ld... $ac_c" 1>&6
 749 # I'd rather use --version here, but apparently some GNU ld's only accept -v.
 750 if $LD -v 2>&1 </dev/null | egrep '(GNU|with BFD)' 1>&5; then
 751   with_gnu_ld=yes
 752 else
 753   with_gnu_ld=no
 754 fi
 755 echo "$ac_t$with_gnu_ld" 1>&6
 756
 757 # See if the linker supports building shared libraries.
 758 echo $ac_n "checking whether the linker ($LD) supports shared libraries... $ac_c" 1>&6
 759
 760 allow_undefined_flag=
 761 no_undefined_flag=
 762 archive_cmds=
 763 old_archive_from_new_cmds=
 764 export_dynamic_flag_spec=
 765 hardcode_libdir_flag_spec=
 766 hardcode_libdir_separator=
 767 hardcode_direct=no
 768 hardcode_minus_L=no
 769 hardcode_shlibpath_var=unsupported
 770 runpath_var=
 771 fix_srcfile_path=
 772
 773 ld_shlibs=yes
 774 if test "$with_gnu_ld" = yes; then
 775
 776   # See if GNU ld supports shared libraries.
 777   case "$host_os" in
 778   amigaos*)
 779     archive_cmds='$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 $objdir && a2ixlibrary -32)'
 780     hardcode_libdir_flag_spec='-L$libdir'
 781     hardcode_minus_L=yes
 782     ;;
 783
 784   sunos4*)
 785     archive_cmds='$LD -assert pure-text -Bstatic -o $lib$libobjs'
 786     ;;
 787
 788   cygwin32* | mingw32*)
 789     if test "$with_gcc" = yes; then
 790       # hardcode_libdir_flag_spec is actually meaningless, as there is
 791       # no search path for DLLs.
 792       hardcode_libdir_flag_spec='-L$libdir'
 793       allow_undefined_flag=unsupported
 794       # Very, very bogus.
 795       echo '
 796 #include <windows.h>
 797
 798 struct _reent *_impure_ptr;
 799 extern struct _reent *__imp_reent_data;
 800 BOOL APIENTRY
 801 __dll_entry (HINSTANCE hinst, DWORD reason, LPVOID reserved)
 802 {
 803   _impure_ptr = __imp_reent_data;
 804 }
 805 ' > libtool.c
 806       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 $lib libtool.$objext$libobjs$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 $lib libtool.$objext$libobjs$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 $lib libtool.$objext$libobjs$deplibs;$rm libtool.$objext $soname-base $soname-exp'
 807       old_archive_from_new_cmds='$DLLTOOL --as=$AS --dllname $soname --def $soname-def --output-lib $objdir/$libname.a;$rm $soname-def'
 808     else
 809       # When not using gcc, we currently assume that we are using
 810       # Microsoft Visual C++.
 811       with_gnu_ld=no
 812       # hardcode_libdir_flag_spec is actually meaningless, as there is
 813       # no search path for DLLs.
 814       hardcode_libdir_flag_spec=' '
 815       allow_undefined_flag=unsupported
 816       # Tell ltmain to make .lib files, not .a files.
 817       libext=lib
 818       # FIXME: Setting linknames here is a bad hack.
 819       archive_cmds='$CC -o $lib$libobjs`echo "$deplibs" | sed -e '\''s/ -lc$//'\''` -link -dll;linknames='
 820       # The linker will automatically build a .lib file if we build a DLL.
 821       old_archive_from_new_cmds='true'
 822       # FIXME: Should let the user specify the lib program.
 823       old_archive_cmds='lib /OUT:$oldlib$oldobjs'
 824       fix_srcfile_path='`cygpath -w $srcfile`'
 825     fi
 826     ;;
 827
 828   *)
 829     if $LD --help 2>&1 | egrep ': supported targets:.* elf' > /dev/null; then
 830       archive_cmds='$CC -shared ${wl}-soname $wl$soname -o $lib$libobjs'
 831     else
 832       ld_shlibs=no
 833     fi
 834     ;;
 835   esac
 836
 837   if test "$ld_shlibs" = yes && test "$with_gnu_ld" = yes; then
 838     runpath_var=LD_RUN_PATH
 839     hardcode_libdir_flag_spec='${wl}--rpath ${wl}$libdir'
 840     export_dynamic_flag_spec='${wl}--export-dynamic'
 841   fi
 842 else
 843   # PORTME fill in a description of your system's linker (not GNU ld)
 844   case "$host_os" in
 845   aix3*)
 846     allow_undefined_flag=unsupported
 847     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'
 848     # Note: this linker hardcodes the directories in LIBPATH if there
 849     # are no directories specified by -L.
 850     hardcode_minus_L=yes
 851     if test "$with_gcc" = yes && test -z "$link_static_flag"; then
 852       # Neither direct hardcoding nor static linking is supported with a
 853       # broken collect2.
 854       hardcode_direct=unsupported
 855     fi
 856     ;;
 857
 858   aix4*)
 859     allow_undefined_flag=unsupported
 860     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'
 861     hardcode_direct=yes
 862     hardcode_minus_L=yes
 863     ;;
 864
 865   amigaos*)
 866     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 $objdir && a2ixlibrary -32)'
 867     hardcode_libdir_flag_spec='-L$libdir'
 868     hardcode_minus_L=yes
 869     ;;
 870
 871   cygwin32* | mingw32*)
 872     if test "$with_gcc" = yes; then
 873       # hardcode_libdir_flag_spec is actually meaningless, as there is
 874       # no search path for DLLs.
 875       hardcode_libdir_flag_spec='-L$libdir'
 876       allow_undefined_flag=unsupported
 877       # Very, very bogus.
 878       echo '
 879 #include <windows.h>
 880
 881 struct _reent *_impure_ptr;
 882 extern struct _reent *__imp_reent_data;
 883 BOOL APIENTRY
 884 __dll_entry (HINSTANCE hinst, DWORD reason, LPVOID reserved)
 885 {
 886   _impure_ptr = __imp_reent_data;
 887 }
 888 ' > libtool.c
 889       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 $lib libtool.$objext$libobjs$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 $lib libtool.$objext$libobjs$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 $lib libtool.$objext$libobjs$deplibs;$rm libtool.$objext $soname-base $soname-exp'
 890       old_archive_from_new_cmds='$DLLTOOL --as=$AS --dllname $soname --def $soname-def --output-lib $objdir/$libname.a;$rm $soname-def'
 891     else
 892       # When not using gcc, we currently assume that we are using
 893       # Microsoft Visual C++.
 894       # hardcode_libdir_flag_spec is actually meaningless, as there is
 895       # no search path for DLLs.
 896       hardcode_libdir_flag_spec=' '
 897       allow_undefined_flag=unsupported
 898       # Tell ltmain to make .lib files, not .a files.
 899       libext=lib
 900       # FIXME: Setting linknames here is a bad hack.
 901       archive_cmds='$CC -o $lib$libobjs`echo "$deplibs" | sed -e '\''s/ -lc$//'\''` -link -dll;linknames='
 902       # The linker will automatically build a .lib file if we build a DLL.
 903       old_archive_from_new_cmds='true'
 904       # FIXME: Should let the user specify the lib program.
 905       old_archive_cmds='lib /OUT:$oldlib$oldobjs'
 906       fix_srcfile_path='`cygpath -w $srcfile`'
 907     fi
 908     ;;
 909
 910   # FreeBSD 2.2.[012] allows us to include c++rt0.o to get C++ constructor
 911   # support.  Future versions do this automatically, but an explicit c++rt0.o
 912   # does not break anything, and helps significantly (at the cost of a little
 913   # extra space).
 914   freebsd2.2*)
 915     archive_cmds='$LD -Bshareable -o $lib$libobjs /usr/lib/c++rt0.o'
 916     hardcode_libdir_flag_spec='-R$libdir'
 917     hardcode_direct=yes
 918     hardcode_minus_L=yes
 919     hardcode_shlibpath_var=no
 920     ;;
 921
 922   # Unfortunately, older versions of FreeBSD 2 do not have this feature.
 923   freebsd2*)
 924     archive_cmds='$LD -Bshareable -o $lib$libobjs'
 925     hardcode_direct=yes
 926     hardcode_minus_L=yes
 927     hardcode_shlibpath_var=no
 928     ;;
 929
 930   # FreeBSD 3, at last, uses gcc -shared to do shared libraries.
 931   freebsd3*)
 932     archive_cmds='$CC -shared -o $lib$libobjs'
 933     hardcode_libdir_flag_spec='-R$libdir'
 934     hardcode_direct=yes
 935     hardcode_minus_L=yes
 936     hardcode_shlibpath_var=no
 937     ;;
 938
 939   hpux9*)
 940     archive_cmds='$rm $objdir/$soname;$LD -b +s +b $install_libdir -o $objdir/$soname$libobjs;mv $objdir/$soname $lib'
 941     hardcode_libdir_flag_spec='${wl}+b ${wl}$libdir'
 942     hardcode_direct=yes
 943     hardcode_minus_L=yes
 944     export_dynamic_flag_spec='${wl}-E'
 945     ;;
 946
 947   hpux10* | hpux11*)
 948     archive_cmds='$LD -b +h $soname +s +b $install_libdir -o $lib$libobjs'
 949     hardcode_libdir_flag_spec='${wl}+b ${wl}$libdir'
 950     hardcode_direct=yes
 951     hardcode_minus_L=yes
 952     export_dynamic_flag_spec='${wl}-E'
 953     ;;
 954
 955   irix5* | irix6*)
 956     if test "$with_gcc" = yes; then
 957       archive_cmds='$CC -shared -o $lib ${wl}-soname ${wl}$soname ${wl}-set_version ${wl}$verstring$libobjs'
 958     else
 959       archive_cmds='$LD -shared -o $lib -soname $soname -set_version $verstring$libobjs'
 960     fi
 961     hardcode_libdir_flag_spec='${wl}-rpath ${wl}$libdir'
 962     ;;
 963
 964   netbsd*)
 965     # Tested with NetBSD 1.2 ld
 966     archive_cmds='$LD -Bshareable -o $lib$libobjs'
 967     hardcode_libdir_flag_spec='-R$libdir'
 968     hardcode_direct=yes
 969     hardcode_shlibpath_var=no
 970     ;;
 971
 972   openbsd*)
 973     archive_cmds='$LD -Bshareable -o $lib$libobjs'
 974     hardcode_libdir_flag_spec='-R$libdir'
 975     hardcode_direct=yes
 976     hardcode_shlibpath_var=no
 977     ;;
 978
 979   os2*)
 980     hardcode_libdir_flag_spec='-L$libdir'
 981     hardcode_minus_L=yes
 982     allow_undefined_flag=unsupported
 983     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'
 984     old_archive_from_new_cmds='emximp -o $objdir/$libname.a $objdir/$libname.def'
 985     ;;
 986
 987   osf3* | osf4*)
 988     allow_undefined_flag=' -expect_unresolved \*'
 989     archive_cmds='$LD -shared${allow_undefined_flag} -o $lib -soname $soname -set_version $verstring$libobjs$deplibs'
 990     hardcode_libdir_flag_spec='${wl}-rpath ${wl}$libdir'
 991     hardcode_libdir_separator=:
 992     ;;
 993
 994   sco3.2v5*)
 995     archive_cmds='$LD -G -o $lib$libobjs'
 996     hardcode_direct=yes
 997     ;;
 998
 999   solaris2*)
1000     no_undefined_flag=' -z text'
1001     archive_cmds='$LD -G${allow_undefined_flag} -h $soname -o $lib$libobjs'
1002     hardcode_libdir_flag_spec='-R$libdir'
1003     hardcode_shlibpath_var=no
1004
1005     # Solaris 2 before 2.5 hardcodes -L paths.
1006     case "$host_os" in
1007     solaris2.[0-4]*)
1008       hardcode_minus_L=yes
1009       ;;
1010     esac
1011     ;;
1012
1013   sunos4*)
1014     archive_cmds='$LD -assert pure-text -Bstatic -o $lib$libobjs'
1015     hardcode_libdir_flag_spec='-L$libdir'
1016     hardcode_direct=yes
1017     hardcode_minus_L=yes
1018     hardcode_shlibpath_var=no
1019     ;;
1020
1021   uts4*)
1022     archive_cmds='$LD -G -h $soname -o $lib$libobjs'
1023     hardcode_libdir_flag_spec='-L$libdir'
1024     hardcode_direct=no
1025     hardcode_minus_L=no
1026     hardcode_shlibpath_var=no
1027     ;;
1028
1029   *)
1030     ld_shlibs=no
1031     can_build_shared=no
1032     ;;
1033   esac
1034 fi
1035 echo "$ac_t$ld_shlibs" 1>&6
1036
1037 if test -z "$NM"; then
1038   echo $ac_n "checking for BSD-compatible nm... $ac_c" 1>&6
1039   case "$NM" in
1040   /* | [A-Za-z]:\\*) ;; # Let the user override the test with a path.
1041   *)
1042     IFS="${IFS=         }"; ac_save_ifs="$IFS"; IFS="${IFS}:"
1043     for ac_dir in /usr/ucb /usr/ccs/bin $PATH /bin; do
1044       test -z "$ac_dir" && ac_dir=.
1045       if test -f $ac_dir/nm; then
1046         # Check to see if the nm accepts a BSD-compat flag.
1047         # Adding the `sed 1q' prevents false positives on HP-UX, which says:
1048         #   nm: unknown option "B" ignored
1049         if ($ac_dir/nm -B /dev/null 2>&1 | sed '1q'; exit 0) | egrep /dev/null >/dev/null; then
1050           NM="$ac_dir/nm -B"
1051         elif ($ac_dir/nm -p /dev/null 2>&1 | sed '1q'; exit 0) | egrep /dev/null >/dev/null; then
1052           NM="$ac_dir/nm -p"
1053         else
1054           NM="$ac_dir/nm"
1055         fi
1056         break
1057       fi
1058     done
1059     IFS="$ac_save_ifs"
1060     test -z "$NM" && NM=nm
1061     ;;
1062   esac
1063   echo "$ac_t$NM" 1>&6
1064 fi
1065
1066 # Check for command to grab the raw symbol name followed by C symbol from nm.
1067 echo $ac_n "checking command to parse $NM output... $ac_c" 1>&6
1068
1069 # These are sane defaults that work on at least a few old systems.
1070 # [They come from Ultrix.  What could be older than Ultrix?!! ;)]
1071
1072 # Character class describing NM global symbol codes.
1073 symcode='[BCDEGRSTU]'
1074
1075 # Regexp to match symbols that can be accessed directly from C.
1076 sympat='\([_A-Za-z][_A-Za-z0-9]*\)'
1077
1078 # Transform the above into a raw symbol and a C symbol.
1079 symxfrm='\1 \1'
1080
1081 # Define system-specific variables.
1082 case "$host_os" in
1083 aix*)
1084   symcode='[BCDTU]'
1085   ;;
1086 cygwin32* | mingw32*)
1087   sympat='_\([_A-Za-z][_A-Za-z0-9]*\)'
1088   symxfrm='_\1 \1'
1089   ;;
1090 irix*)
1091   # Cannot use undefined symbols on IRIX because inlined functions mess us up.
1092   symcode='[BCDEGRST]'
1093   ;;
1094 solaris2*)
1095   symcode='[BDTU]'
1096   ;;
1097 esac
1098
1099 # If we're using GNU nm, then use its standard symbol codes.
1100 if $NM -V 2>&1 | egrep '(GNU|with BFD)' > /dev/null; then
1101   symcode='[ABCDGISTUW]'
1102 fi
1103
1104 case "$host_os" in
1105 cygwin32* | mingw32*)
1106   # We do not want undefined symbols on cygwin32.  The user must
1107   # arrange to define them via -l arguments.
1108   symcode='[ABCDGISTW]'
1109   ;;
1110 esac
1111
1112 # Write the raw and C identifiers.
1113 global_symbol_pipe="sed -n -e 's/^.* $symcode $sympat$/$symxfrm/p'"
1114
1115 # Check to see that the pipe works correctly.
1116 pipe_works=no
1117 $rm conftest*
1118 cat > conftest.c <<EOF
1119 #ifdef __cplusplus
1120 extern "C" {
1121 #endif
1122 char nm_test_var;
1123 void nm_test_func(){}
1124 #ifdef __cplusplus
1125 }
1126 #endif
1127 main(){nm_test_var='a';nm_test_func();return(0);}
1128 EOF
1129
1130 echo "$progname:1130: checking if global_symbol_pipe works" >&5
1131 if { (eval echo $progname:1131: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; } && test -s conftest.$objext; then
1132   # Now try to grab the symbols.
1133   nlist=conftest.nm
1134   if { echo "$progname:1134: eval \"$NM conftest.$objext | $global_symbol_pipe > $nlist\"" >&5; eval "$NM conftest.$objext | $global_symbol_pipe > $nlist 2>&5"; } && test -s "$nlist"; then
1135
1136     # Try sorting and uniquifying the output.
1137     if sort "$nlist" | uniq > "$nlist"T; then
1138       mv -f "$nlist"T "$nlist"
1139       wcout=`wc "$nlist" 2>/dev/null`
1140       count=`$echo "X$wcout" | $Xsed -e 's/^[   ]*\([0-9][0-9]*\).*$/\1/'`
1141       (test "$count" -ge 0) 2>/dev/null || count=-1
1142     else
1143       rm -f "$nlist"T
1144       count=-1
1145     fi
1146
1147     # Make sure that we snagged all the symbols we need.
1148     if egrep ' nm_test_var$' "$nlist" >/dev/null; then
1149       if egrep ' nm_test_func$' "$nlist" >/dev/null; then
1150         cat <<EOF > conftest.c
1151 #ifdef __cplusplus
1152 extern "C" {
1153 #endif
1154
1155 EOF
1156         # Now generate the symbol file.
1157         sed 's/^.* \(.*\)$/extern char \1;/' < "$nlist" >> conftest.c
1158
1159         cat <<EOF >> conftest.c
1160 #if defined (__STDC__) && __STDC__
1161 # define __ptr_t void *
1162 #else
1163 # define __ptr_t char *
1164 #endif
1165
1166 /* The number of symbols in dld_preloaded_symbols, -1 if unsorted. */
1167 int dld_preloaded_symbol_count = $count;
1168
1169 /* The mapping between symbol names and symbols. */
1170 struct {
1171   char *name;
1172   __ptr_t address;
1173 }
1174 dld_preloaded_symbols[] =
1175 {
1176 EOF
1177         sed 's/^\(.*\) \(.*\)$/  {"\1", (__ptr_t) \&\2},/' < "$nlist" >> conftest.c
1178         cat <<\EOF >> conftest.c
1179   {0, (__ptr_t) 0}
1180 };
1181
1182 #ifdef __cplusplus
1183 }
1184 #endif
1185 EOF
1186         # Now try linking the two files.
1187         mv conftest.$objext conftestm.$objext
1188         save_LIBS="$LIBS"
1189         save_CFLAGS="$CFLAGS"
1190         LIBS="conftestm.$objext"
1191         CFLAGS="$CFLAGS$no_builtin_flag"
1192         if { (eval echo $progname:1192: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
1193           pipe_works=yes
1194         else
1195           echo "$progname: failed program was:" >&5
1196           cat conftest.c >&5
1197         fi
1198         LIBS="$save_LIBS"
1199       else
1200         echo "cannot find nm_test_func in $nlist" >&5
1201       fi
1202     else
1203       echo "cannot find nm_test_var in $nlist" >&5
1204     fi
1205   else
1206     echo "cannot run $global_symbol_pipe" >&5
1207   fi
1208 else
1209   echo "$progname: failed program was:" >&5
1210   cat conftest.c >&5
1211 fi
1212 $rm conftest*
1213
1214 # Do not use the global_symbol_pipe unless it works.
1215 echo "$ac_t$pipe_works" 1>&6
1216 test "$pipe_works" = yes || global_symbol_pipe=
1217
1218 # Check hardcoding attributes.
1219 echo $ac_n "checking how to hardcode library paths into programs... $ac_c" 1>&6
1220 hardcode_action=
1221 if test -n "$hardcode_libdir_flag_spec" || \
1222    test -n "$runpath_var"; then
1223
1224   # We can hardcode non-existant directories.
1225   if test "$hardcode_direct" != no && \
1226      test "$hardcode_minus_L" != no && \
1227      test "$hardcode_shlibpath_var" != no; then
1228
1229     # Linking always hardcodes the temporary library directory.
1230     hardcode_action=relink
1231   else
1232     # We can link without hardcoding, and we can hardcode nonexisting dirs.
1233     hardcode_action=immediate
1234   fi
1235 else
1236   # We cannot hardcode anything, or else we can only hardcode existing
1237   # directories.
1238   hardcode_action=unsupported
1239 fi
1240 echo "$ac_t$hardcode_action" 1>&6
1241
1242
1243 reload_flag=
1244 reload_cmds='$LD$reload_flag -o $output$reload_objs'
1245 echo $ac_n "checking for $LD option to reload object files... $ac_c" 1>&6
1246 # PORTME Some linkers may need a different reload flag.
1247 reload_flag='-r'
1248 echo "$ac_t$reload_flag" 1>&6
1249 test -n "$reload_flag" && reload_flag=" $reload_flag"
1250
1251 # PORTME Fill in your ld.so characteristics
1252 library_names_spec=
1253 libname_spec='lib$name'
1254 soname_spec=
1255 postinstall_cmds=
1256 postuninstall_cmds=
1257 finish_cmds=
1258 finish_eval=
1259 shlibpath_var=
1260 version_type=none
1261 dynamic_linker="$host_os ld.so"
1262
1263 echo $ac_n "checking dynamic linker characteristics... $ac_c" 1>&6
1264 case "$host_os" in
1265 aix3* | aix4*)
1266   version_type=linux
1267   library_names_spec='${libname}${release}.so$versuffix $libname.a'
1268   shlibpath_var=LIBPATH
1269
1270   # AIX has no versioning support, so we append a major version to the name.
1271   soname_spec='${libname}${release}.so$major'
1272   ;;
1273
1274 amigaos*)
1275   library_names_spec='$libname.ixlibrary $libname.a'
1276   # Create ${libname}_ixlibrary.a entries in /sys/libs.
1277   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 ${libname}_ixlibrary.a) || exit 1; done'
1278   ;;
1279
1280 cygwin32* | mingw32*)
1281   version_type=windows
1282   if test "$with_gcc" = yes; then
1283     library_names_spec='${libname}`echo ${release} | sed -e 's/[.]/-/g'`${versuffix}.dll $libname.a'
1284   else
1285     library_names_spec='${libname}`echo ${release} | sed -e 's/[.]/-/g'`${versuffix}.dll $libname.lib'
1286   fi
1287   dynamic_linker='Win32 ld.exe'
1288   shlibpath_var=PATH
1289   ;;
1290
1291 freebsd2* | freebsd3*)
1292   version_type=sunos
1293   library_names_spec='${libname}${release}.so$versuffix $libname.so'
1294   finish_cmds='PATH="\$PATH:/sbin" ldconfig -m $libdir'
1295   shlibpath_var=LD_LIBRARY_PATH
1296   ;;
1297
1298 gnu*)
1299   version_type=sunos
1300   library_names_spec='${libname}${release}.so$versuffix'
1301   shlibpath_var=LD_LIBRARY_PATH
1302   ;;
1303
1304 hpux9* | hpux10* | hpux11*)
1305   # Give a soname corresponding to the major version so that dld.sl refuses to
1306   # link against other versions.
1307   dynamic_linker="$host_os dld.sl"
1308   version_type=sunos
1309   shlibpath_var=SHLIB_PATH
1310   library_names_spec='${libname}${release}.sl$versuffix ${libname}${release}.sl$major $libname.sl'
1311   soname_spec='${libname}${release}.sl$major'
1312   # HP-UX runs *really* slowly unless shared libraries are mode 555.
1313   postinstall_cmds='chmod 555 $lib'
1314   ;;
1315
1316 irix5* | irix6*)
1317   version_type=osf
1318   soname_spec='${libname}${release}.so'
1319   library_names_spec='${libname}${release}.so$versuffix $libname.so'
1320   shlibpath_var=LD_LIBRARY_PATH
1321   ;;
1322
1323 # No shared lib support for Linux oldld, aout, or coff.
1324 linux-gnuoldld* | linux-gnuaout* | linux-gnucoff*)
1325   dynamic_linker=no
1326   ;;
1327
1328 # This must be Linux ELF.
1329 linux-gnu*)
1330   version_type=linux
1331   library_names_spec='${libname}${release}.so$versuffix ${libname}${release}.so$major $libname.so'
1332   soname_spec='${libname}${release}.so$major'
1333   finish_cmds='PATH="\$PATH:/sbin" ldconfig -n $libdir'
1334   shlibpath_var=LD_LIBRARY_PATH
1335
1336   if test -f /lib/ld.so.1; then
1337     dynamic_linker='GNU ld.so'
1338   else
1339     # Only the GNU ld.so supports shared libraries on MkLinux.
1340     case "$host_cpu" in
1341     powerpc*) dynamic_linker=no ;;
1342     *) dynamic_linker='Linux ld.so' ;;
1343     esac
1344   fi
1345   ;;
1346
1347 netbsd* | openbsd*)
1348   version_type=sunos
1349   library_names_spec='${libname}${release}.so$versuffix'
1350   finish_cmds='PATH="\$PATH:/sbin" ldconfig -m $libdir'
1351   shlibpath_var=LD_LIBRARY_PATH
1352   ;;
1353
1354 os2*)
1355   libname_spec='$name'
1356   library_names_spec='$libname.dll $libname.a'
1357   dynamic_linker='OS/2 ld.exe'
1358   shlibpath_var=LIBPATH
1359   ;;
1360
1361 osf3* | osf4*)
1362   version_type=osf
1363   soname_spec='${libname}${release}.so'
1364   library_names_spec='${libname}${release}.so$versuffix $libname.so'
1365   shlibpath_var=LD_LIBRARY_PATH
1366   ;;
1367
1368 sco3.2v5*)
1369   version_type=osf
1370   soname_spec='${libname}${release}.so$major'
1371   library_names_spec='${libname}${release}.so$versuffix ${libname}${release}.so$major $libname.so'
1372   shlibpath_var=LD_LIBRARY_PATH
1373   ;;
1374
1375 solaris2*)
1376   version_type=linux
1377   library_names_spec='${libname}${release}.so$versuffix ${libname}${release}.so$major $libname.so'
1378   soname_spec='${libname}${release}.so$major'
1379   shlibpath_var=LD_LIBRARY_PATH
1380   ;;
1381
1382 sunos4*)
1383   version_type=sunos
1384   library_names_spec='${libname}${release}.so$versuffix'
1385   finish_cmds='PATH="\$PATH:/usr/etc" ldconfig $libdir'
1386   shlibpath_var=LD_LIBRARY_PATH
1387   ;;
1388
1389 sysv4.2uw2*)
1390   version_type=linux
1391   library_names_spec='${libname}${release}.so$versuffix ${libname}${release}.so$major $libname.so'
1392   soname_spec='${libname}${release}.so$major'
1393   shlibpath_var=LD_LIBRARY_PATH
1394   ;;
1395
1396 uts4*)
1397   version_type=linux
1398   library_names_spec='${libname}${release}.so$versuffix ${libname}${release}.so$major $libname.so'
1399   soname_spec='${libname}${release}.so$major'
1400   shlibpath_var=LD_LIBRARY_PATH
1401   ;;
1402
1403 *)
1404   dynamic_linker=no
1405   ;;
1406 esac
1407 echo "$ac_t$dynamic_linker"
1408 test "$dynamic_linker" = no && can_build_shared=no
1409
1410 # Report the final consequences.
1411 echo "checking if libtool supports shared libraries... $can_build_shared" 1>&6
1412
1413 echo $ac_n "checking whether to build shared libraries... $ac_c" 1>&6
1414 test "$can_build_shared" = "no" && enable_shared=no
1415
1416 # On AIX, shared libraries and static libraries use the same namespace, and
1417 # are all built from PIC.
1418 case "$host_os" in
1419 aix*)
1420   test "$enable_shared" = yes && enable_static=no
1421   if test -n "$RANLIB"; then
1422     archive_cmds="$archive_cmds;\$RANLIB \$lib"
1423     postinstall_cmds='$RANLIB $lib'
1424   fi
1425   ;;
1426 esac
1427
1428 echo "$ac_t$enable_shared" 1>&6
1429
1430 # Make sure either enable_shared or enable_static is yes.
1431 test "$enable_shared" = yes || enable_static=yes
1432
1433 echo "checking whether to build static libraries... $enable_static" 1>&6
1434
1435 echo $ac_n "checking for objdir... $ac_c" 1>&6
1436 rm -f .libs 2>/dev/null
1437 mkdir .libs 2>/dev/null
1438 if test -d .libs; then
1439   objdir=.libs
1440 else
1441   # MS-DOS does not allow filenames that begin with a dot.
1442   objdir=_libs
1443 fi
1444 rmdir .libs 2>/dev/null
1445 echo "$ac_t$objdir" 1>&6
1446
1447 # Copy echo and quote the copy, instead of the original, because it is
1448 # used later.
1449 ltecho="$echo"
1450
1451 # Now quote all the things that may contain metacharacters.
1452 for var in ltecho old_CC old_CFLAGS old_CPPFLAGS old_LD old_NM old_RANLIB \
1453   old_LN_S old_DLLTOOL old_AS AR CC LD LN_S NM DLLTOOL AS reload_flag \
1454   reload_cmds wl pic_flag link_static_flag no_builtin_flag \
1455   export_dynamic_flag_spec libname_spec library_names_spec soname_spec RANLIB \
1456   old_archive_cmds old_archive_from_new_cmds old_postinstall_cmds \
1457   old_postuninstall_cmds archive_cmds postinstall_cmds postuninstall_cmds \
1458   allow_undefined_flag no_undefined_flag objext libext \
1459   finish_cmds finish_eval global_symbol_pipe fix_srcfile_path \
1460   hardcode_libdir_flag_spec hardcode_libdir_separator; do
1461
1462   case "$var" in
1463   reload_cmds | old_archive_cmds | old_archive_from_new_cmds | \
1464   old_postinstall_cmds | old_postuninstall_cmds | archive_cmds | \
1465   postinstall_cmds | postuninstall_cmds | finish_cmds)
1466     # Double-quote double-evaled strings.
1467     eval "$var=\`\$echo \"X\$$var\" | \$Xsed -e \"\$double_quote_subst\" -e \"\$sed_quote_subst\"\`"
1468     ;;
1469   *)
1470     eval "$var=\`\$echo \"X\$$var\" | \$Xsed -e \"\$sed_quote_subst\"\`"
1471     ;;
1472   esac
1473 done
1474
1475 trap "$rm \"$ofile\"; exit 1" 1 2 15
1476 echo "creating $ofile"
1477 $rm "$ofile"
1478 cat <<EOF > "$ofile"
1479 #! $SHELL
1480
1481 # `$echo "$ofile" | sed 's%^.*/%%'` - Provide generalized library-building support services.
1482 # Generated automatically by $PROGRAM - GNU $PACKAGE $VERSION
1483 # NOTE: Changes made to this file will be lost: look at ltconfig or ltmain.sh.
1484 #
1485 # Copyright (C) 1996-1998 Free Software Foundation, Inc.
1486 # Gordon Matzigkeit <gord@gnu.ai.mit.edu>, 1996
1487 #
1488 # This program is free software; you can redistribute it and/or modify
1489 # it under the terms of the GNU General Public License as published by
1490 # the Free Software Foundation; either version 2 of the License, or
1491 # (at your option) any later version.
1492 #
1493 # This program is distributed in the hope that it will be useful, but
1494 # WITHOUT ANY WARRANTY; without even the implied warranty of
1495 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
1496 # General Public License for more details.
1497 #
1498 # You should have received a copy of the GNU General Public License
1499 # along with this program; if not, write to the Free Software
1500 # Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
1501 #
1502 # As a special exception to the GNU General Public License, if you
1503 # distribute this file as part of a program that contains a
1504 # configuration script generated by Autoconf, you may include it under
1505 # the same distribution terms that you use for the rest of that program.
1506
1507 # Sed that helps us avoid accidentally triggering echo(1) options like -n.
1508 Xsed="sed -e s/^X//"
1509
1510 # The HP-UX ksh and POSIX shell print the target directory to stdout
1511 # if CDPATH is set.
1512 if test "\${CDPATH+set}" = set; then CDPATH=; export CDPATH; fi
1513
1514 ### BEGIN LIBTOOL CONFIG
1515 # Libtool was configured as follows, on host `(hostname || uname -n) 2>/dev/null | sed 1q`:
1516 #
1517 # CC="$old_CC" CFLAGS="$old_CFLAGS" CPPFLAGS="$old_CPPFLAGS" \\
1518 # LD="$old_LD" NM="$old_NM" RANLIB="$old_RANLIB" LN_S="$old_LN_S" \\
1519 # DLLTOOL="$old_DLLTOOL" AS="$old_AS" \\
1520 #   $0$ltconfig_args
1521 #
1522 # Compiler and other test output produced by $progname, useful for
1523 # debugging $progname, is in ./config.log if it exists.
1524
1525 # The version of $progname that generated this script.
1526 LTCONFIG_VERSION="$VERSION"
1527
1528 # Shell to use when invoking shell scripts.
1529 SHELL="$SHELL"
1530
1531 # Whether or not to build shared libraries.
1532 build_libtool_libs=$enable_shared
1533
1534 # Whether or not to build static libraries.
1535 build_old_libs=$enable_static
1536
1537 # The host system.
1538 host_alias="$host_alias"
1539 host="$host"
1540
1541 # An echo program that does not interpret backslashes.
1542 echo="$ltecho"
1543
1544 # The archiver.
1545 AR="$AR"
1546
1547 # The default C compiler.
1548 CC="$CC"
1549
1550 # The linker used to build libraries.
1551 LD="$LD"
1552
1553 # Whether we need hard or soft links.
1554 LN_S="$LN_S"
1555
1556 # A BSD-compatible nm program.
1557 NM="$NM"
1558
1559 # Used on cygwin32: DLL creation program.
1560 DLLTOOL="$DLLTOOL"
1561
1562 # Used on cygwin32: assembler.
1563 AS="$AS"
1564
1565 # The name of the directory that contains temporary libtool files.
1566 objdir="$objdir"
1567
1568 # How to create reloadable object files.
1569 reload_flag="$reload_flag"
1570 reload_cmds="$reload_cmds"
1571
1572 # How to pass a linker flag through the compiler.
1573 wl="$wl"
1574
1575 # Object file suffix (normally "o").
1576 objext="$objext"
1577
1578 # Old archive suffix (normally "a").
1579 libext="$libext"
1580
1581 # Additional compiler flags for building library objects.
1582 pic_flag="$pic_flag"
1583
1584 # Compiler flag to prevent dynamic linking.
1585 link_static_flag="$link_static_flag"
1586
1587 # Compiler flag to turn off builtin functions.
1588 no_builtin_flag="$no_builtin_flag"
1589
1590 # Compiler flag to allow reflexive dlopens.
1591 export_dynamic_flag_spec="$export_dynamic_flag_spec"
1592
1593 # Library versioning type.
1594 version_type=$version_type
1595
1596 # Format of library name prefix.
1597 libname_spec="$libname_spec"
1598
1599 # List of archive names.  First name is the real one, the rest are links.
1600 # The last name is the one that the linker finds with -lNAME.
1601 library_names_spec="$library_names_spec"
1602
1603 # The coded name of the library, if different from the real name.
1604 soname_spec="$soname_spec"
1605
1606 # Commands used to build and install an old-style archive.
1607 RANLIB="$RANLIB"
1608 old_archive_cmds="$old_archive_cmds"
1609 old_postinstall_cmds="$old_postinstall_cmds"
1610 old_postuninstall_cmds="$old_postuninstall_cmds"
1611
1612 # Create an old-style archive from a shared archive.
1613 old_archive_from_new_cmds="$old_archive_from_new_cmds"
1614
1615 # Commands used to build and install a shared archive.
1616 archive_cmds="$archive_cmds"
1617 postinstall_cmds="$postinstall_cmds"
1618 postuninstall_cmds="$postuninstall_cmds"
1619
1620 # Flag that allows shared libraries with undefined symbols to be built.
1621 allow_undefined_flag="$allow_undefined_flag"
1622
1623 # Flag that forces no undefined symbols.
1624 no_undefined_flag="$no_undefined_flag"
1625
1626 # Commands used to finish a libtool library installation in a directory.
1627 finish_cmds="$finish_cmds"
1628
1629 # Same as above, but a single script fragment to be evaled but not shown.
1630 finish_eval="$finish_eval"
1631
1632 # Take the output of nm and produce a listing of raw symbols and C names.
1633 global_symbol_pipe="$global_symbol_pipe"
1634
1635 # This is the shared library runtime path variable.
1636 runpath_var=$runpath_var
1637
1638 # This is the shared library path variable.
1639 shlibpath_var=$shlibpath_var
1640
1641 # How to hardcode a shared library path into an executable.
1642 hardcode_action=$hardcode_action
1643
1644 # Flag to hardcode \$libdir into a binary during linking.
1645 # This must work even if \$libdir does not exist.
1646 hardcode_libdir_flag_spec="$hardcode_libdir_flag_spec"
1647
1648 # Whether we need a single -rpath flag with a separated argument.
1649 hardcode_libdir_separator="$hardcode_libdir_separator"
1650
1651 # Set to yes if using DIR/libNAME.so during linking hardcodes DIR into the
1652 # resulting binary.
1653 hardcode_direct=$hardcode_direct
1654
1655 # Set to yes if using the -LDIR flag during linking hardcodes DIR into the
1656 # resulting binary.
1657 hardcode_minus_L=$hardcode_minus_L
1658
1659 # Set to yes if using SHLIBPATH_VAR=DIR during linking hardcodes DIR into
1660 # the resulting binary.
1661 hardcode_shlibpath_var=$hardcode_shlibpath_var
1662
1663 # Fix the shell variable \$srcfile for the compiler.
1664 fix_srcfile_path="$fix_srcfile_path"
1665 EOF
1666
1667 case "$host_os" in
1668 aix3*)
1669   cat <<\EOF >> "$ofile"
1670
1671 # AIX sometimes has problems with the GCC collect2 program.  For some
1672 # reason, if we set the COLLECT_NAMES environment variable, the problems
1673 # vanish in a puff of smoke.
1674 if test "${COLLECT_NAMES+set}" != set; then
1675   COLLECT_NAMES=
1676   export COLLECT_NAMES
1677 fi
1678 EOF
1679   ;;
1680 esac
1681
1682 echo '### END LIBTOOL CONFIG' >> "$ofile"
1683 echo >> "$ofile"
1684
1685 # Append the ltmain.sh script.
1686 cat "$ltmain" >> "$ofile" || (rm -f "$ofile"; exit 1)
1687
1688 chmod +x "$ofile"
1689 exit 0
1690
1691 # Local Variables:
1692 # mode:shell-script
1693 # sh-indentation:2
1694 # End: