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 echo=echo
  31 if test "X$1" = X--no-reexec; then
  32   # Discard the --no-reexec flag, and continue.
  33   shift
  34 elif test "X$1" = X--fallback-echo; then
  35   # used as fallback echo
  36   shift
  37   cat <<EOF
  38 $*
  39 EOF
  40   exit 0
  41 elif test "X`($echo '\t') 2>/dev/null`" = 'X\t'; then
  42   # Yippee, $echo works!
  43   :
  44 else
  45   # Restart under the correct shell.
  46   exec "$SHELL" "$0" --no-reexec ${1+"$@"}
  47 fi
  48
  49 # The HP-UX ksh and POSIX shell print the target directory to stdout
  50 # if CDPATH is set.
  51 if test "${CDPATH+set}" = set; then CDPATH=; export CDPATH; fi
  52
  53 if test "X${echo_test_string+set}" != "Xset"; then
  54   # find a string as large as possible, as long as the shell can cope with it
  55   for cmd in 'sed 50q "$0"' 'sed 20q "$0"' 'sed 10q "$0"' 'sed 2q "$0"' 'echo test'; do
  56     # expected sizes: less than 2Kb, 1Kb, 512 bytes, 16 bytes, ...
  57     if (echo_test_string="`eval $cmd`") 2>/dev/null &&
  58        echo_test_string="`eval $cmd`" &&
  59        (test "X$echo_test_string" = "X$echo_test_string") 2>/dev/null; then
  60       break
  61     fi
  62   done
  63 fi
  64
  65 if test "X`($echo '\t') 2>/dev/null`" != 'X\t' ||
  66    test "X`($echo "$echo_test_string") 2>/dev/null`" != X"$echo_test_string"; then
  67   # The Solaris, AIX, and Digital Unix default echo programs unquote
  68   # backslashes.  This makes it impossible to quote backslashes using
  69   #   echo "$something" | sed 's/\\/\\\\/g'
  70   #
  71   # So, first we look for a working echo in the user's PATH.
  72
  73   IFS="${IFS=   }"; save_ifs="$IFS"; IFS="${IFS}:"
  74   for dir in $PATH /usr/ucb; do
  75     if test -f $dir/echo &&
  76        test "X`($dir/echo '\t') 2>/dev/null`" = 'X\t' &&
  77        test "X`($dir/echo "$echo_test_string") 2>/dev/null`" = X"$echo_test_string"; then
  78       echo="$dir/echo"
  79       break
  80     fi
  81   done
  82   IFS="$save_ifs"
  83
  84   if test "X$echo" = Xecho; then
  85     # We didn't find a better echo, so look for alternatives.
  86     if test "X`(print -r '\t') 2>/dev/null`" = 'X\t' &&
  87        test "X`(print -r "$echo_test_string") 2>/dev/null`" = X"$echo_test_string"; then
  88       # This shell has a builtin print -r that does the trick.
  89       echo='print -r'
  90     elif test -f /bin/ksh && test "X$CONFIG_SHELL" != X/bin/ksh; then
  91       # If we have ksh, try running ltconfig again with it.
  92       ORIGINAL_CONFIG_SHELL="${CONFIG_SHELL-/bin/sh}"
  93       export ORIGINAL_CONFIG_SHELL
  94       CONFIG_SHELL=/bin/ksh
  95       export CONFIG_SHELL
  96       exec "$CONFIG_SHELL" "$0" --no-reexec ${1+"$@"}
  97     else
  98       # Try using printf.
  99       echo='printf %s\n'
 100       if test "X`($echo '\t') 2>/dev/null`" = 'X\t' &&
 101          test "X`($echo "$echo_test_string") 2>/dev/null`" = X"$echo_test_string"; then
 102         # Cool, printf works
 103         :
 104       elif test "X`("$ORIGINAL_CONFIG_SHELL" "$0" --fallback-echo '\t') 2>/dev/null`" = 'X\t' &&
 105            test "X`("$ORIGINAL_CONFIG_SHELL" "$0" --fallback-echo "$echo_test_string") 2>/dev/null`" = X"$echo_test_string"; then
 106         CONFIG_SHELL="$ORIGINAL_CONFIG_SHELL"
 107         export CONFIG_SHELL
 108         SHELL="$CONFIG_SHELL"
 109         export SHELL
 110         echo="$CONFIG_SHELL $0 --fallback-echo"
 111       elif test "X`("$CONFIG_SHELL" "$0" --fallback-echo '\t') 2>/dev/null`" = 'X\t' &&
 112            test "X`("$CONFIG_SHELL" "$0" --fallback-echo "$echo_test_string") 2>/dev/null`" = X"$echo_test_string"; then
 113         echo="$CONFIG_SHELL $0 --fallback-echo"
 114       else
 115         # maybe with a smaller string...
 116         prev=:
 117
 118         for cmd in 'echo test' 'sed 2q "$0"' 'sed 10q "$0"' 'sed 20q "$0"' 'sed 50q "$0"'; do
 119           if (test "X$echo_test_string" = "X`eval $cmd`") 2>/dev/null; then
 120             break
 121           fi
 122           prev="$cmd"
 123         done
 124
 125         if test "$prev" != 'sed 50q "$0"'; then
 126           echo_test_string=`eval $prev`
 127           export echo_test_string
 128           exec "${ORIGINAL_CONFIG_SHELL}" "$0" ${1+"$@"}
 129         else
 130           # Oops.  We lost completely, so just stick with echo.
 131           echo=echo
 132         fi
 133       fi
 134     fi
 135   fi
 136 fi
 137
 138 # Sed substitution that helps us do robust quoting.  It backslashifies
 139 # metacharacters that are still active within double-quoted strings.
 140 Xsed='sed -e s/^X//'
 141 sed_quote_subst='s/\([\\"\\`$\\\\]\)/\\\1/g'
 142
 143 # Same as above, but do not quote variable references.
 144 double_quote_subst='s/\([\\"\\`\\\\]\)/\\\1/g'
 145
 146 # The name of this program.
 147 progname=`$echo "X$0" | $Xsed -e 's%^.*/%%'`
 148
 149 # Constants:
 150 PROGRAM=ltconfig
 151 PACKAGE=libtool
 152 VERSION=1.2d
 153 ac_compile='${CC-cc} -c $CFLAGS $CPPFLAGS conftest.c 1>&5'
 154 ac_link='${CC-cc} -o conftest $CFLAGS $CPPFLAGS $LDFLAGS conftest.c $LIBS 1>&5'
 155 rm="rm -f"
 156
 157 help="Try \`$progname --help' for more information."
 158
 159 # Global variables:
 160 default_ofile=libtool
 161 can_build_shared=yes
 162 enable_shared=yes
 163 # All known linkers require a `.a' archive for static linking.
 164 enable_static=yes
 165 ltmain=
 166 silent=
 167 srcdir=
 168 ac_config_guess=
 169 ac_config_sub=
 170 host=
 171 nonopt=
 172 ofile="$default_ofile"
 173 verify_host=yes
 174 with_gcc=no
 175 with_gnu_ld=no
 176 need_locks=yes
 177 objext=o
 178 libext=a
 179
 180 old_AR="$AR"
 181 old_CC="$CC"
 182 old_CFLAGS="$CFLAGS"
 183 old_CPPFLAGS="$CPPFLAGS"
 184 old_LD="$LD"
 185 old_LN_S="$LN_S"
 186 old_NM="$NM"
 187 old_RANLIB="$RANLIB"
 188 old_DLLTOOL="$DLLTOOL"
 189 old_AS="$AS"
 190
 191 # Parse the command line options.
 192 args=
 193 prev=
 194 for option
 195 do
 196   case "$option" in
 197   -*=*) optarg=`echo "$option" | sed 's/[-_a-zA-Z0-9]*=//'` ;;
 198   *) optarg= ;;
 199   esac
 200
 201   # If the previous option needs an argument, assign it.
 202   if test -n "$prev"; then
 203     eval "$prev=\$option"
 204     prev=
 205     continue
 206   fi
 207
 208   case "$option" in
 209   --help) cat <<EOM
 210 Usage: $progname [OPTION]... [HOST [LTMAIN]]
 211
 212 Generate a system-specific libtool script.
 213
 214     --debug                enable verbose shell tracing
 215     --disable-shared       do not build shared libraries
 216     --disable-static       do not build static libraries
 217     --help                 display this help and exit
 218     --no-verify            do not verify that HOST is a valid host type
 219 -o, --output=FILE          specify the output file [default=$default_ofile]
 220     --quiet                same as \`--silent'
 221     --silent               do not print informational messages
 222     --srcdir=DIR           find \`config.guess' in DIR
 223     --version              output version information and exit
 224     --with-gcc             assume that the GNU C compiler will be used
 225     --with-gnu-ld          assume that the C compiler uses the GNU linker
 226     --disable-lock         disable file locking
 227
 228 LTMAIN is the \`ltmain.sh' shell script fragment or \`ltmain.c' program
 229 that provides basic libtool functionality.
 230
 231 HOST is the canonical host system name [default=guessed].
 232 EOM
 233   exit 0
 234   ;;
 235
 236   --debug)
 237     echo "$progname: enabling shell trace mode"
 238     set -x
 239     ;;
 240
 241   --disable-shared) enable_shared=no ;;
 242
 243   --disable-static) enable_static=no ;;
 244
 245   --quiet | --silent) silent=yes ;;
 246
 247   --srcdir) prev=srcdir ;;
 248   --srcdir=*) srcdir="$optarg" ;;
 249
 250   --no-verify) verify_host=no ;;
 251
 252   --output | -o) prev=ofile ;;
 253   --output=*) ofile="$optarg" ;;
 254
 255   --version) echo "$PROGRAM (GNU $PACKAGE) $VERSION"; exit 0 ;;
 256
 257   --with-gcc) with_gcc=yes ;;
 258   --with-gnu-ld) with_gnu_ld=yes ;;
 259
 260   --disable-lock) need_locks=no ;;
 261
 262   -*)
 263     echo "$progname: unrecognized option \`$option'" 1>&2
 264     echo "$help" 1>&2
 265     exit 1
 266     ;;
 267
 268   *)
 269     if test -z "$ltmain"; then
 270       ltmain="$option"
 271     elif test -z "$host"; then
 272 # This generates an unnecessary warning for sparc-sun-solaris4.1.3_U1
 273 #      if test -n "`echo $option| sed 's/[-a-z0-9.]//g'`"; then
 274 #        echo "$progname: warning \`$option' is not a valid host type" 1>&2
 275 #      fi
 276       host="$option"
 277     else
 278       echo "$progname: too many arguments" 1>&2
 279       echo "$help" 1>&2
 280       exit 1
 281     fi ;;
 282   esac
 283 done
 284
 285 if test -z "$ltmain"; then
 286   echo "$progname: you must specify a LTMAIN file" 1>&2
 287   echo "$help" 1>&2
 288   exit 1
 289 fi
 290
 291 if test ! -f "$ltmain"; then
 292   echo "$progname: \`$ltmain' does not exist" 1>&2
 293   echo "$help" 1>&2
 294   exit 1
 295 fi
 296
 297 # Quote any args containing shell metacharacters.
 298 ltconfig_args=
 299 for arg
 300 do
 301   case "$arg" in
 302   *" "*|*"      "*|*[\[\]\~\#\$\^\&\*\(\)\{\}\\\|\;\<\>\?]*)
 303   ltconfig_args="$ltconfig_args '$arg'" ;;
 304   *) ltconfig_args="$ltconfig_args $arg" ;;
 305   esac
 306 done
 307
 308 # A relevant subset of AC_INIT.
 309
 310 # File descriptor usage:
 311 # 0 standard input
 312 # 1 file creation
 313 # 2 errors and warnings
 314 # 3 some systems may open it to /dev/tty
 315 # 4 used on the Kubota Titan
 316 # 5 compiler messages saved in config.log
 317 # 6 checking for... messages and results
 318 if test "$silent" = yes; then
 319   exec 6>/dev/null
 320 else
 321   exec 6>&1
 322 fi
 323 exec 5>>./config.log
 324
 325 # NLS nuisances.
 326 # Only set LANG and LC_ALL to C if already set.
 327 # These must not be set unconditionally because not all systems understand
 328 # e.g. LANG=C (notably SCO).
 329 if test "${LC_ALL+set}" = set; then LC_ALL=C; export LC_ALL; fi
 330 if test "${LANG+set}"   = set; then LANG=C;   export LANG;   fi
 331
 332 if (echo "testing\c"; echo 1,2,3) | grep c >/dev/null; then
 333   # Stardent Vistra SVR4 grep lacks -e, says ghazi@caip.rutgers.edu.
 334   if (echo -n testing; echo 1,2,3) | sed s/-n/xn/ | grep xn >/dev/null; then
 335     ac_n= ac_c='
 336 ' ac_t='        '
 337   else
 338     ac_n=-n ac_c= ac_t=
 339   fi
 340 else
 341   ac_n= ac_c='\c' ac_t=
 342 fi
 343
 344 if test -z "$srcdir"; then
 345   # Assume the source directory is the same one as the path to LTMAIN.
 346   srcdir=`$echo "$ltmain" | $Xsed -e 's%/[^/]*$%%'`
 347   test "$srcdir" = "$ltmain" && srcdir=.
 348 fi
 349
 350 trap "$rm conftest*; exit 1" 1 2 15
 351 if test "$verify_host" = yes; then
 352   # Check for config.guess and config.sub.
 353   ac_aux_dir=
 354   for ac_dir in $srcdir $srcdir/.. $srcdir/../..; do
 355     if test -f $ac_dir/config.guess; then
 356       ac_aux_dir=$ac_dir
 357       break
 358     fi
 359   done
 360   if test -z "$ac_aux_dir"; then
 361     echo "$progname: cannot find config.guess in $srcdir $srcdir/.. $srcdir/../.." 1>&2
 362     echo "$help" 1>&2
 363     exit 1
 364   fi
 365   ac_config_guess=$ac_aux_dir/config.guess
 366   ac_config_sub=$ac_aux_dir/config.sub
 367
 368   # Make sure we can run config.sub.
 369   if $SHELL $ac_config_sub sun4 >/dev/null 2>&1; then :
 370   else
 371     echo "$progname: cannot run $ac_config_sub" 1>&2
 372     echo "$help" 1>&2
 373     exit 1
 374   fi
 375
 376   echo $ac_n "checking host system type""... $ac_c" 1>&6
 377
 378   host_alias=$host
 379   case "$host_alias" in
 380   "")
 381     if host_alias=`$SHELL $ac_config_guess`; then :
 382     else
 383       echo "$progname: cannot guess host type; you must specify one" 1>&2
 384       echo "$help" 1>&2
 385       exit 1
 386     fi ;;
 387   esac
 388   host=`$SHELL $ac_config_sub $host_alias`
 389   echo "$ac_t$host" 1>&6
 390
 391   # Make sure the host verified.
 392   test -z "$host" && exit 1
 393
 394 elif test -z "$host"; then
 395   echo "$progname: you must specify a host type if you use \`--no-verify'" 1>&2
 396   echo "$help" 1>&2
 397   exit 1
 398 else
 399   host_alias=$host
 400 fi
 401
 402 # Transform linux* to *-*-linux-gnu*, to support old configure scripts.
 403 case "$host_os" in
 404 linux-gnu*) ;;
 405 linux*) host=`echo $host | sed 's/^\(.*-.*-linux\)\(.*\)$/\1-gnu\2/'`
 406 esac
 407
 408 host_cpu=`echo $host | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\1/'`
 409 host_vendor=`echo $host | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\2/'`
 410 host_os=`echo $host | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\3/'`
 411
 412 case "$host_os" in
 413 aix3*)
 414   # AIX sometimes has problems with the GCC collect2 program.  For some
 415   # reason, if we set the COLLECT_NAMES environment variable, the problems
 416   # vanish in a puff of smoke.
 417   if test "${COLLECT_NAMES+set}" != set; then
 418     COLLECT_NAMES=
 419     export COLLECT_NAMES
 420   fi
 421   ;;
 422 esac
 423
 424 # Determine commands to create old-style static archives.
 425 old_archive_cmds='$AR cru $oldlib$oldobjs'
 426 old_postinstall_cmds='chmod 644 $oldlib'
 427 old_postuninstall_cmds=
 428
 429 # Set a sane default for `AR'.
 430 test -z "$AR" && AR=ar
 431
 432 # If RANLIB is not set, then run the test.
 433 if test "${RANLIB+set}" != "set"; then
 434   result=no
 435
 436   echo $ac_n "checking for ranlib... $ac_c" 1>&6
 437   IFS="${IFS=   }"; save_ifs="$IFS"; IFS="${IFS}:"
 438   for dir in $PATH; do
 439     test -z "$dir" && dir=.
 440     if test -f $dir/ranlib; then
 441       RANLIB="ranlib"
 442       result="ranlib"
 443       break
 444     fi
 445   done
 446   IFS="$save_ifs"
 447
 448   echo "$ac_t$result" 1>&6
 449 fi
 450
 451 if test -n "$RANLIB"; then
 452   old_archive_cmds="$old_archive_cmds~\$RANLIB \$oldlib"
 453   old_postinstall_cmds="\$RANLIB \$oldlib~$old_postinstall_cmds"
 454 fi
 455
 456 # Set sane defaults for `DLLTOOL' and `AS', used on cygwin32.
 457 test -z "$DLLTOOL" && DLLTOOL=dlltool
 458 test -z "$AS" && AS=as
 459
 460 # Check to see if we are using GCC.
 461 if test "$with_gcc" != yes || test -z "$CC"; then
 462   # If CC is not set, then try to find GCC or a usable CC.
 463   if test -z "$CC"; then
 464     echo $ac_n "checking for gcc... $ac_c" 1>&6
 465     IFS="${IFS=         }"; save_ifs="$IFS"; IFS="${IFS}:"
 466     for dir in $PATH; do
 467       IFS="$save_ifs"
 468       test -z "$dir" && dir=.
 469       if test -f $dir/gcc; then
 470         CC="gcc"
 471         break
 472       fi
 473     done
 474     IFS="$save_ifs"
 475
 476     if test -n "$CC"; then
 477       echo "$ac_t$CC" 1>&6
 478     else
 479       echo "$ac_t"no 1>&6
 480     fi
 481   fi
 482
 483   # Not "gcc", so try "cc", rejecting "/usr/ucb/cc".
 484   if test -z "$CC"; then
 485     echo $ac_n "checking for cc... $ac_c" 1>&6
 486     IFS="${IFS=         }"; save_ifs="$IFS"; IFS="${IFS}:"
 487     cc_rejected=no
 488     for dir in $PATH; do
 489       test -z "$dir" && dir=.
 490       if test -f $dir/cc; then
 491         if test "$dir/cc" = "/usr/ucb/cc"; then
 492           cc_rejected=yes
 493           continue
 494         fi
 495         CC="cc"
 496         break
 497       fi
 498     done
 499     IFS="$save_ifs"
 500     if test $cc_rejected = yes; then
 501       # We found a bogon in the path, so make sure we never use it.
 502       set dummy $CC
 503       shift
 504       if test $# -gt 0; then
 505         # We chose a different compiler from the bogus one.
 506         # However, it has the same name, so the bogon will be chosen
 507         # first if we set CC to just the name; use the full file name.
 508         shift
 509         set dummy "$dir/cc" "$@"
 510         shift
 511         CC="$@"
 512       fi
 513     fi
 514
 515     if test -n "$CC"; then
 516       echo "$ac_t$CC" 1>&6
 517     else
 518       echo "$ac_t"no 1>&6
 519     fi
 520
 521     if test -z "$CC"; then
 522       echo "$progname: error: no acceptable cc found in \$PATH" 1>&2
 523       exit 1
 524     fi
 525   fi
 526
 527   # Now see if the compiler is really GCC.
 528   with_gcc=no
 529   echo $ac_n "checking whether we are using GNU C... $ac_c" 1>&6
 530   echo "$progname:530: checking whether we are using GNU C" >&5
 531
 532   $rm conftest.c
 533   cat > conftest.c <<EOF
 534 #ifdef __GNUC__
 535   yes;
 536 #endif
 537 EOF
 538   if { ac_try='${CC-cc} -E conftest.c'; { (eval echo $progname:538: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }; } | egrep yes >/dev/null 2>&1; then
 539     with_gcc=yes
 540   fi
 541   $rm conftest.c
 542   echo "$ac_t$with_gcc" 1>&6
 543 fi
 544
 545 # Allow CC to be a program name with arguments.
 546 set dummy $CC
 547 compiler="$2"
 548
 549 echo $ac_n "checking for object suffix... $ac_c" 1>&6
 550 $rm conftest*
 551 echo 'int i = 1;' > conftest.c
 552 echo "$progname:552: checking for object suffix" >& 5
 553 if { (eval echo $progname:553: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>conftest.err; }; then
 554   # Append any warnings to the config.log.
 555   cat conftest.err 1>&5
 556
 557   for ac_file in conftest.*; do
 558     case $ac_file in
 559     *.c) ;;
 560     *) objext=`echo $ac_file | sed -e s/conftest.//` ;;
 561     esac
 562   done
 563 else
 564   cat conftest.err 1>&5
 565   echo "$progname: failed program was:" >&5
 566   cat conftest.c >&5
 567 fi
 568 $rm conftest*
 569 echo "$ac_t$objext" 1>&6
 570
 571 echo $ac_n "checking for $compiler option to produce PIC... $ac_c" 1>&6
 572 pic_flag=
 573 special_shlib_compile_flags=
 574 wl=
 575 link_static_flag=
 576 no_builtin_flag=
 577
 578 if test "$with_gcc" = yes; then
 579   wl='-Wl,'
 580   link_static_flag='-static'
 581
 582   case "$host_os" in
 583   aix3* | aix4* | irix5* | irix6* | osf3* | osf4*)
 584     # PIC is the default for these OSes.
 585     ;;
 586   cygwin32* | mingw32* | os2*)
 587     # We can build DLLs from non-PIC.
 588     ;;
 589   amigaos*)
 590     # FIXME: we need at least 68020 code to build shared libraries, but
 591     # adding the `-m68020' flag to GCC prevents building anything better,
 592     # like `-m68040'.
 593     pic_flag='-m68020 -resident32 -malways-restore-a4'
 594     ;;
 595   *)
 596     pic_flag='-fPIC'
 597     ;;
 598   esac
 599 else
 600   # PORTME Check for PIC flags for the system compiler.
 601   case "$host_os" in
 602   aix3* | aix4*)
 603     # All AIX code is PIC.
 604     link_static_flag='-bnso -bI:/lib/syscalls.exp'
 605     ;;
 606
 607   hpux9* | hpux10* | hpux11*)
 608     # Is there a better link_static_flag that works with the bundled CC?
 609     wl='-Wl,'
 610     link_static_flag="${wl}-a ${wl}archive"
 611     pic_flag='+Z'
 612     ;;
 613
 614   irix5* | irix6*)
 615     wl='-Wl,'
 616     link_static_flag='-non_shared'
 617     # PIC (with -KPIC) is the default.
 618     ;;
 619
 620   cygwin32* | mingw32* | os2*)
 621     # We can build DLLs from non-PIC.
 622     ;;
 623
 624   osf3* | osf4*)
 625     # All OSF/1 code is PIC.
 626     wl='-Wl,'
 627     link_static_flag='-non_shared'
 628     ;;
 629
 630   sco3.2v5*)
 631     pic_flag='-Kpic'
 632     link_static_flag='-dn'
 633     special_shlib_compile_flags='-belf'
 634     ;;
 635
 636   solaris*)
 637     pic_flag='-KPIC'
 638     link_static_flag='-Bstatic'
 639     wl='-Wl,'
 640     ;;
 641
 642   sunos4*)
 643     pic_flag='-PIC'
 644     link_static_flag='-Bstatic'
 645     wl='-Qoption ld '
 646     ;;
 647
 648   sysv4.2uw2* | sysv5*)
 649     pic_flag='-KPIC'
 650     link_static_flag='-Bstatic'
 651     wl='-Wl,'
 652     ;;
 653
 654   uts4*)
 655     pic_flag='-pic'
 656     link_static_flag='-Bstatic'
 657     ;;
 658
 659   *)
 660     can_build_shared=no
 661     ;;
 662   esac
 663 fi
 664
 665 if test -n "$pic_flag"; then
 666   echo "$ac_t$pic_flag" 1>&6
 667
 668   # Check to make sure the pic_flag actually works.
 669   echo $ac_n "checking if $compiler PIC flag $pic_flag works... $ac_c" 1>&6
 670   $rm conftest*
 671   echo "int some_variable = 0;" > conftest.c
 672   save_CFLAGS="$CFLAGS"
 673   CFLAGS="$CFLAGS $pic_flag -DPIC"
 674   echo "$progname:674: checking if $compiler PIC flag $pic_flag works" >&5
 675   if { (eval echo $progname:675: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>conftest.err; } && test -s conftest.$objext; then
 676     # Append any warnings to the config.log.
 677     cat conftest.err 1>&5
 678
 679     # On HP-UX, both CC and GCC only warn that PIC is supported... then they
 680     # create non-PIC objects.  So, if there were any warnings, we assume that
 681     # PIC is not supported.
 682     if test -s conftest.err; then
 683       echo "$ac_t"no 1>&6
 684       can_build_shared=no
 685       pic_flag=
 686     else
 687       echo "$ac_t"yes 1>&6
 688       pic_flag=" $pic_flag"
 689     fi
 690   else
 691     # Append any errors to the config.log.
 692     cat conftest.err 1>&5
 693     can_build_shared=no
 694     pic_flag=
 695     echo "$ac_t"no 1>&6
 696   fi
 697   CFLAGS="$save_CFLAGS"
 698   $rm conftest*
 699 else
 700   echo "$ac_t"none 1>&6
 701 fi
 702
 703 # Check to see if options -o and -c are simultaneously supported by compiler
 704 echo $ac_n "checking if $compiler supports -c -o file.o... $ac_c" 1>&6
 705 $rm conftest*
 706 echo "int some_variable = 0;" > conftest.c
 707 save_CFLAGS="$CFLAGS"
 708 CFLAGS="$CFLAGS -c -o conftest2.o"
 709 echo "$progname:709: checking if $compiler supports -c -o file.o" >&5
 710 if { (eval echo $progname:710: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>conftest.err; } && test -s conftest2.o; then
 711
 712   # The compiler can only warn and ignore the option if not recognized
 713   # So say no if there are warnings
 714     if test -s conftest.err; then
 715       echo "$ac_t"no 1>&6
 716       compiler_c_o=no
 717     else
 718       echo "$ac_t"yes 1>&6
 719       compiler_c_o=yes
 720     fi
 721 else
 722   # Append any errors to the config.log.
 723   cat conftest.err 1>&5
 724   compiler_c_o=no
 725   echo "$ac_t"no 1>&6
 726 fi
 727 CFLAGS="$save_CFLAGS"
 728 $rm conftest*
 729
 730 if test x"$compiler_c_o" = x"yes"; then
 731   # Check to see if we can write to a .lo
 732   echo $ac_n "checking if $compiler supports -c -o file.lo... $ac_c" 1>&6
 733   $rm conftest*
 734   echo "int some_variable = 0;" > conftest.c
 735   save_CFLAGS="$CFLAGS"
 736   CFLAGS="$CFLAGS -c -o conftest.lo"
 737   echo "$progname:737: checking if $compiler supports -c -o file.lo" >&5
 738 if { (eval echo $progname:738: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>conftest.err; } && test -s conftest.lo; then
 739
 740     # The compiler can only warn and ignore the option if not recognized
 741     # So say no if there are warnings
 742       if test -s conftest.err; then
 743         echo "$ac_t"no 1>&6
 744         compiler_o_lo=no
 745       else
 746         echo "$ac_t"yes 1>&6
 747         compiler_o_lo=yes
 748       fi
 749   else
 750     # Append any errors to the config.log.
 751     cat conftest.err 1>&5
 752     compiler_o_lo=no
 753     echo "$ac_t"no 1>&6
 754   fi
 755   CFLAGS="$save_CFLAGS"
 756   $rm conftest*
 757 else
 758   compiler_o_lo=no
 759 fi
 760
 761 # Check to see if we can do hard links to lock some files if needed
 762 hard_links="nottested"
 763 if test "$compiler_c_o" = no && test "$need_locks" != no; then
 764   # do not overwrite the value of need_locks provided by the user
 765   echo $ac_n "checking if we can lock with hard links... $ac_c" 1>&6
 766   hard_links=yes
 767   $rm conftest*
 768   ln conftest.a conftest.b 2>/dev/null && hard_links=no
 769   touch conftest.a
 770   ln conftest.a conftest.b 2>&5 || hard_links=no
 771   ln conftest.a conftest.b 2>/dev/null && hard_links=no
 772   echo "$ac_t$hard_links" 1>&6
 773   $rm conftest*
 774   if test "$hard_links" = no; then
 775     echo "*** WARNING: \`$CC' does not support \`-c -o', so \`make -j' may be unsafe" >&2
 776     need_locks=warn
 777   fi
 778 else
 779   need_locks=no
 780 fi
 781
 782 if test "$with_gcc" = yes; then
 783   # Check to see if options -fno-rtti -fno-exceptions are supported by compiler
 784   echo $ac_n "checking if $compiler supports -fno-rtti -fno-exceptions ... $ac_c" 1>&6
 785   $rm conftest*
 786   echo "int some_variable = 0;" > conftest.c
 787   save_CFLAGS="$CFLAGS"
 788   CFLAGS="$CFLAGS -fno-rtti -fno-exceptions -c conftest.c"
 789   echo "$progname:789: checking if $compiler supports -fno-rtti -fno-exceptions" >&5
 790   if { (eval echo $progname:790: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>conftest.err; } && test -s conftest.o; then
 791
 792     # The compiler can only warn and ignore the option if not recognized
 793     # So say no if there are warnings
 794       if test -s conftest.err; then
 795         echo "$ac_t"no 1>&6
 796         compiler_rtti_exceptions=no
 797       else
 798         echo "$ac_t"yes 1>&6
 799         compiler_rtti_exceptions=yes
 800       fi
 801   else
 802     # Append any errors to the config.log.
 803     cat conftest.err 1>&5
 804     compiler_rtti_exceptions=no
 805     echo "$ac_t"no 1>&6
 806   fi
 807   CFLAGS="$save_CFLAGS"
 808   $rm conftest*
 809
 810   if test "$compiler_rtti_exceptions" = "yes"; then
 811     no_builtin_flag=' -fno-builtin -fno-rtti -fno-exceptions'
 812   else
 813     no_builtin_flag=' -fno-builtin'
 814   fi
 815
 816 fi
 817
 818 # Check for any special shared library compilation flags.
 819 if test -n "$special_shlib_compile_flags"; then
 820   echo "$progname: warning: \`$CC' requires \`$special_shlib_compile_flags' to build shared libraries" 1>&2
 821   if echo "$old_CC $old_CFLAGS " | egrep -e "[  ]$special_shlib_compile_flags[  ]" >/dev/null; then :
 822   else
 823     echo "$progname: add \`$special_shlib_compile_flags' to the CC or CFLAGS env variable and reconfigure" 1>&2
 824     can_build_shared=no
 825   fi
 826 fi
 827
 828 echo $ac_n "checking if $compiler static flag $link_static_flag works... $ac_c" 1>&6
 829 $rm conftest*
 830 echo 'main(){return(0);}' > conftest.c
 831 save_LDFLAGS="$LDFLAGS"
 832 LDFLAGS="$LDFLAGS $link_static_flag"
 833 echo "$progname:833: checking if $compiler static flag $link_static_flag works" >&5
 834 if { (eval echo $progname:834: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
 835   echo "$ac_t$link_static_flag" 1>&6
 836 else
 837   echo "$ac_t"none 1>&6
 838   link_static_flag=
 839 fi
 840 LDFLAGS="$save_LDFLAGS"
 841 $rm conftest*
 842
 843 if test -z "$LN_S"; then
 844   # Check to see if we can use ln -s, or we need hard links.
 845   echo $ac_n "checking whether ln -s works... $ac_c" 1>&6
 846   $rm conftestdata
 847   if ln -s X conftestdata 2>/dev/null; then
 848     $rm conftestdata
 849     LN_S="ln -s"
 850   else
 851     LN_S=ln
 852   fi
 853   if test "$LN_S" = "ln -s"; then
 854     echo "$ac_t"yes 1>&6
 855   else
 856     echo "$ac_t"no 1>&6
 857   fi
 858 fi
 859
 860 # Make sure LD is an absolute path.
 861 if test -z "$LD"; then
 862   ac_prog=ld
 863   if test "$with_gcc" = yes; then
 864     # Check if gcc -print-prog-name=ld gives a path.
 865     echo $ac_n "checking for ld used by GCC... $ac_c" 1>&6
 866     echo "$progname:866: checking for ld used by GCC" >&5
 867     ac_prog=`($CC -print-prog-name=ld) 2>&5`
 868     case "$ac_prog" in
 869     # Accept absolute paths.
 870     /* | [A-Za-z]:/*)
 871       re_direlt='/[^/][^/]*/\.\./'
 872       sub_uncdrive='s%^\([A-Za-z]\):/%//\1/%'
 873       # Canonicalize the path of ld
 874       while echo $ac_prog | grep "$re_direlt" > /dev/null 2>&1; do
 875         ac_prog=`echo $ac_prog| sed "s%$re_direlt%/%"`
 876       done
 877       case "$host_os" in
 878       cygwin*)
 879         # Convert to a UNC path for cygwin
 880         test -z "$LD" && LD=`echo X$ac_prog | $Xsed -e "$sub_uncdrive"`
 881         ;;
 882       *)
 883         test -z "$LD" && LD="$ac_prog"
 884         ;;
 885       esac
 886       ;;
 887     ##
 888     ## FIXME:  The code fails later on if we try to use an $LD with
 889     ##         '\\' path separators.
 890     ##
 891     [A-Za-z]:[\\]*)
 892       re_direlt='\\[^\\][^\\]*\\\.\.\(\\\)'
 893       sub_uncdrive='s%^\([A-Za-z]\):\\%//\1/%'
 894       sub_uncdir='s%\\%/%g'
 895       # Canonicalize the path of ld
 896       while echo $ac_prog | grep "$re_direlt" > /dev/null 2>&1; do
 897         ac_prog=`echo $ac_prog| sed "s%$re_direlt%\1%"`
 898       done
 899       case "$host_os" in
 900       cygwin*)
 901         # Convert to a UNC path for cygwin
 902         test -z "$LD" && LD=`echo X$ac_prog | $Xsed -e "$sub_uncdrive" -e "$sub_uncdir"`
 903         ;;
 904       *)
 905         test -z "$LD" && LD="$ac_prog"
 906         ;;
 907       esac
 908       ;;
 909     "")
 910       # If it fails, then pretend we are not using GCC.
 911       ac_prog=ld
 912       ;;
 913     *)
 914       # If it is relative, then search for the first ld in PATH.
 915       with_gnu_ld=unknown
 916       ;;
 917     esac
 918   elif test "$with_gnu_ld" = yes; then
 919     echo $ac_n "checking for GNU ld... $ac_c" 1>&6
 920     echo "$progname:920: checking for GNU ld" >&5
 921   else
 922     echo $ac_n "checking for non-GNU ld""... $ac_c" 1>&6
 923     echo "$progname:923: checking for non-GNU ld" >&5
 924   fi
 925
 926   if test -z "$LD"; then
 927     IFS="${IFS=         }"; ac_save_ifs="$IFS"; IFS="${IFS}:"
 928     for ac_dir in $PATH; do
 929       test -z "$ac_dir" && ac_dir=.
 930       if test -f "$ac_dir/$ac_prog"; then
 931         LD="$ac_dir/$ac_prog"
 932         # Check to see if the program is GNU ld.  I'd rather use --version,
 933         # but apparently some GNU ld's only accept -v.
 934         # Break only if it was the GNU/non-GNU ld that we prefer.
 935         if "$LD" -v 2>&1 < /dev/null | egrep '(GNU|with BFD)' > /dev/null; then
 936           test "$with_gnu_ld" != no && break
 937         else
 938           test "$with_gnu_ld" != yes && break
 939         fi
 940       fi
 941     done
 942     IFS="$ac_save_ifs"
 943   fi
 944
 945   if test -n "$LD"; then
 946     echo "$ac_t$LD" 1>&6
 947   else
 948     echo "$ac_t"no 1>&6
 949   fi
 950
 951   if test -z "$LD"; then
 952     echo "$progname: error: no acceptable ld found in \$PATH" 1>&2
 953     exit 1
 954   fi
 955 fi
 956
 957 # Check to see if it really is or is not GNU ld.
 958 echo $ac_n "checking if the linker ($LD) is GNU ld... $ac_c" 1>&6
 959 # I'd rather use --version here, but apparently some GNU ld's only accept -v.
 960 if $LD -v 2>&1 </dev/null | egrep '(GNU|with BFD)' 1>&5; then
 961   with_gnu_ld=yes
 962 else
 963   with_gnu_ld=no
 964 fi
 965 echo "$ac_t$with_gnu_ld" 1>&6
 966
 967 # See if the linker supports building shared libraries.
 968 echo $ac_n "checking whether the linker ($LD) supports shared libraries... $ac_c" 1>&6
 969
 970 allow_undefined_flag=
 971 no_undefined_flag=
 972 archive_cmds=
 973 archive_sym_cmds=
 974 old_archive_from_new_cmds=
 975 export_dynamic_flag_spec=
 976 whole_archive_flag_spec=
 977 hardcode_libdir_flag_spec=
 978 hardcode_libdir_separator=
 979 hardcode_direct=no
 980 hardcode_minus_L=no
 981 hardcode_shlibpath_var=unsupported
 982 runpath_var=
 983
 984 case "$host_os" in
 985 aix3* | aix4*)
 986   # On AIX, the GNU linker works like the native linker.
 987   with_gnu_ld=no
 988   ;;
 989 esac
 990
 991 ld_shlibs=yes
 992 if test "$with_gnu_ld" = yes; then
 993
 994   # See if GNU ld supports shared libraries.
 995   case "$host_os" in
 996   amigaos*)
 997     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 $objdir && a2ixlibrary -32)'
 998     hardcode_libdir_flag_spec='-L$libdir'
 999     hardcode_minus_L=yes
1000     ;;
1001
1002   sunos4*)
1003     archive_cmds='$LD -assert pure-text -Bstatic -o $lib$libobjs$deplibs'
1004     hardcode_direct=yes
1005     hardcode_minus_L=yes
1006     hardcode_shlibpath_var=no
1007     ;;
1008
1009   cygwin32* | mingw32*)
1010     if test "$with_gcc" = yes; then
1011       # hardcode_libdir_flag_spec is actually meaningless, as there is
1012       # no search path for DLLs.
1013       hardcode_libdir_flag_spec='-L$libdir'
1014       allow_undefined_flag=unsupported
1015       # Very, very bogus.
1016       echo '
1017 #define WIN32_LEAN_AND_MEAN
1018 #include <windows.h>
1019 #undef WIN32_LEAN_AND_MEAN
1020 #include <stdio.h>
1021
1022 BOOL APIENTRY DllMain (HINSTANCE hInst, DWORD reason, LPVOID reserved);
1023
1024 #include <cygwin/cygwin_dll.h>
1025 DECLARE_CYGWIN_DLL( DllMain );
1026 HINSTANCE __hDllInstance_base;
1027
1028 BOOL APIENTRY
1029 DllMain (HINSTANCE hInst, DWORD reason, LPVOID reserved)
1030 {
1031   __hDllInstance_base = hInst;
1032   return TRUE;
1033 }
1034 ' > ltdll.c
1035       archive_cmds='$CC -c '"`pwd`"'/ltdll.c~echo EXPORTS > $lib-def~
1036       $DLLTOOL --export-all --output-def $lib-def $libobjs ltdll.$objext~
1037       $CC -Wl,--base-file,$soname-base -Wl,--dll -nostartfiles -Wl,-e,__cygwin_dll_entry@12 $libobjs ltdll.$objext~
1038       $DLLTOOL --as=$AS --dllname $soname --exclude-symbol=_cygwin_dll_entry@12 --def $lib-def --base-file $soname-base --output-exp $soname-exp~
1039       $CC -Wl,--base-file,$soname-base $soname-exp -Wl,--dll -nostartfiles -Wl,-e,__cygwin_dll_entry@12 -o $lib $libobjs ltdll.$objext$deplibs~
1040       $DLLTOOL --as=$AS --dllname $soname --exclude-symbol=_cygwin_dll_entry@12 --def $lib-def --base-file $soname-base --output-exp $soname-exp~
1041       $CC $soname-exp -Wl,--dll -nostartfiles -Wl,-e,__cygwin_dll_entry@12 -o $lib $libobjs ltdll.$objext$deplibs~
1042       $rm ltdll.$objext $soname-base $soname-exp'
1043       archive_sym_cmds='$CC -c '"`pwd`"'/ltdll.c~echo EXPORTS > $lib-def~
1044       cat "$export_symbols" >> $lib-def~
1045       $CC -Wl,--base-file,$soname-base -Wl,--dll -nostartfiles -Wl,-e,__cygwin_dll_entry@12 $libobjs ltdll.$objext~
1046       $DLLTOOL --as=$AS --dllname $soname --exclude-symbol=_cygwin_dll_entry@12 --def $lib-def --base-file $soname-base --output-exp $soname-exp~
1047       $CC -Wl,--base-file,$soname-base $soname-exp -Wl,--dll -nostartfiles -Wl,-e,__cygwin_dll_entry@12 -o $lib $libobjs ltdll.$objext$deplibs~
1048       $DLLTOOL --as=$AS --dllname $soname --exclude-symbol=_cygwin_dll_entry@12 --def $lib-def --base-file $soname-base --output-exp $soname-exp~
1049       $CC $soname-exp -Wl,--dll -nostartfiles -Wl,-e,__cygwin_dll_entry@12 -o $lib $libobjs ltdll.$objext$deplibs~
1050       $rm ltdll.$objext $soname-base $soname-exp'
1051       old_archive_from_new_cmds='$DLLTOOL --as=$AS --dllname $soname --def $lib-def --output-lib $objdir/$libname.a~$rm $lib.exp'
1052    else
1053       # When not using gcc, we currently assume that we are using
1054       # Microsoft Visual C++.
1055       with_gnu_ld=no
1056       # hardcode_libdir_flag_spec is actually meaningless, as there is
1057       # no search path for DLLs.
1058       hardcode_libdir_flag_spec=' '
1059       allow_undefined_flag=unsupported
1060       # Tell ltmain to make .lib files, not .a files.
1061       libext=lib
1062       # FIXME: Setting linknames here is a bad hack.
1063       archive_cmds='$CC -o $lib$libobjs`echo "$deplibs" | sed -e '\''s/ -lc$//'\''` -link -dll~linknames='
1064       # The linker will automatically build a .lib file if we build a DLL.
1065       old_archive_from_new_cmds='true'
1066       # FIXME: Should let the user specify the lib program.
1067       old_archive_cmds='lib /OUT:$oldlib$oldobjs'
1068       fix_srcfile_path='`cygpath -w $srcfile`'
1069     fi
1070     ;;
1071
1072   *)
1073     if $LD --help 2>&1 | egrep ': supported targets:.* elf' > /dev/null; then
1074       archive_cmds='$CC -shared ${wl}-soname $wl$soname -o $lib$libobjs$deplibs'
1075       archive_sym_cmds='$CC -shared ${wl}-soname $wl$soname ${wl}-retain-symbols-file $wl$export_symbols -o $lib$libobjs$deplibs'
1076     else
1077       ld_shlibs=no
1078     fi
1079     ;;
1080   esac
1081
1082   if test "$ld_shlibs" = yes && test "$with_gnu_ld" = yes; then
1083     runpath_var=LD_RUN_PATH
1084     hardcode_libdir_flag_spec='${wl}--rpath ${wl}$libdir'
1085     export_dynamic_flag_spec='${wl}--export-dynamic'
1086     whole_archive_flag_spec='${wl}--whole-archive$convenience ${wl}--no-whole-archive'
1087   fi
1088 else
1089   # PORTME fill in a description of your system's linker (not GNU ld)
1090   case "$host_os" in
1091   aix3*)
1092     allow_undefined_flag=unsupported
1093     archive_cmds='$NM$libobjs | $global_symbol_pipe | sed '\''s/.* //'\' | sort | uniq' > $lib.exp~
1094         $LD -o $objdir/$soname$libobjs$deplibs -bE:$lib.exp -T512 -H512 -bM:SRE~$AR cru $lib $objdir/$soname'
1095     archive_sym_cmds='$LD -o $objdir/$soname$libobjs$deplibs -bE:$export_symbols -T512 -H512 -bM:SRE~$AR cru $lib $objdir/$soname'
1096     # Note: this linker hardcodes the directories in LIBPATH if there
1097     # are no directories specified by -L.
1098     hardcode_minus_L=yes
1099     if test "$with_gcc" = yes && test -z "$link_static_flag"; then
1100       # Neither direct hardcoding nor static linking is supported with a
1101       # broken collect2.
1102       hardcode_direct=unsupported
1103     fi
1104     ;;
1105
1106   aix4*)
1107     allow_undefined_flag=unsupported
1108     archive_cmds='$NM$libobjs | $global_symbol_pipe | sed '\''s/.* //'\' | sort | uniq' > $lib.exp        else cat $export_symbols > $lib.exp~
1109         $CC -o $objdir/$soname$libobjs$deplibs ${wl}-bE:$lib.exp ${wl}-bM:SRE ${wl}-bnoentry~$AR cru $lib $objdir/$soname'
1110     archive_sym_cmds='$CC -o $objdir/$soname$libobjs$deplibs ${wl}-bE:$export_symbols ${wl}-bM:SRE ${wl}-bnoentry~$AR cru $lib $objdir/$soname'
1111     hardcode_direct=yes
1112     hardcode_minus_L=yes
1113     ;;
1114
1115   amigaos*)
1116     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 $objdir && a2ixlibrary -32)'
1117     hardcode_libdir_flag_spec='-L$libdir'
1118     hardcode_minus_L=yes
1119     ;;
1120
1121   cygwin32* | mingw32*)
1122     if test "$with_gcc" = yes; then
1123       # hardcode_libdir_flag_spec is actually meaningless, as there is
1124       # no search path for DLLs.
1125       hardcode_libdir_flag_spec='-L$libdir'
1126       allow_undefined_flag=unsupported
1127       # Very, very bogus.
1128       echo '
1129 #define WIN32_LEAN_AND_MEAN
1130 #include <windows.h>
1131 #undef WIN32_LEAN_AND_MEAN
1132 #include <stdio.h>
1133
1134 BOOL APIENTRY DllMain (HINSTANCE hInst, DWORD reason, LPVOID reserved);
1135
1136 #include <cygwin/cygwin_dll.h>
1137 DECLARE_CYGWIN_DLL( DllMain );
1138 HINSTANCE __hDllInstance_base;
1139
1140 BOOL APIENTRY
1141 DllMain (HINSTANCE hInst, DWORD reason, LPVOID reserved)
1142 {
1143   __hDllInstance_base = hInst;
1144   return TRUE;
1145 }
1146 ' > ltdll.c
1147       archive_cmds='$CC -c '"`pwd`"'/ltdll.c~echo EXPORTS > $lib-def~
1148       $DLLTOOL --export-all --output-def $lib-def $libobjs ltdll.$objext~
1149       $CC -Wl,--base-file,$soname-base -Wl,--dll -nostartfiles -Wl,-e,__cygwin_dll_entry@12 $libobjs ltdll.$objext~
1150       $DLLTOOL --as=$AS --dllname $soname --exclude-symbol=_cygwin_dll_entry@12 --def $lib-def --base-file $soname-base --output-exp $soname-exp~
1151       $CC -Wl,--base-file,$soname-base $soname-exp -Wl,--dll -nostartfiles -Wl,-e,__cygwin_dll_entry@12 -o $lib $libobjs ltdll.$objext$deplibs~
1152       $DLLTOOL --as=$AS --dllname $soname --exclude-symbol=_cygwin_dll_entry@12 --def $lib-def --base-file $soname-base --output-exp $soname-exp~
1153       $CC $soname-exp -Wl,--dll -nostartfiles -Wl,-e,__cygwin_dll_entry@12 -o $lib $libobjs ltdll.$objext$deplibs~
1154       $rm ltdll.$objext $soname-base $soname-exp'
1155       archive_sym_cmds='$CC -c '"`pwd`"'/ltdll.c~echo EXPORTS > $lib-def~
1156       cat "$export_symbols" >> $lib-def~
1157       $CC -Wl,--base-file,$soname-base -Wl,--dll -nostartfiles -Wl,-e,__cygwin_dll_entry@12 $libobjs ltdll.$objext~
1158       $DLLTOOL --as=$AS --dllname $soname --exclude-symbol=_cygwin_dll_entry@12 --def $lib-def --base-file $soname-base --output-exp $soname-exp~
1159       $CC -Wl,--base-file,$soname-base $soname-exp -Wl,--dll -nostartfiles -Wl,-e,__cygwin_dll_entry@12 -o $lib $libobjs ltdll.$objext$deplibs~
1160       $DLLTOOL --as=$AS --dllname $soname --exclude-symbol=_cygwin_dll_entry@12 --def $lib-def --base-file $soname-base --output-exp $soname-exp~
1161       $CC $soname-exp -Wl,--dll -nostartfiles -Wl,-e,__cygwin_dll_entry@12 -o $lib $libobjs ltdll.$objext$deplibs~
1162       $rm ltdll.$objext $soname-base $soname-exp'
1163       old_archive_from_new_cmds='$DLLTOOL --as=$AS --dllname $soname --def $lib-def --output-lib $objdir/$libname.a~$rm $lib.exp'
1164     else
1165       # When not using gcc, we currently assume that we are using
1166       # Microsoft Visual C++.
1167       # hardcode_libdir_flag_spec is actually meaningless, as there is
1168       # no search path for DLLs.
1169       hardcode_libdir_flag_spec=' '
1170       allow_undefined_flag=unsupported
1171       # Tell ltmain to make .lib files, not .a files.
1172       libext=lib
1173       # FIXME: Setting linknames here is a bad hack.
1174       archive_cmds='$CC -o $lib$libobjs`echo "$deplibs" | sed -e '\''s/ -lc$//'\''` -link -dll~linknames='
1175       # The linker will automatically build a .lib file if we build a DLL.
1176       old_archive_from_new_cmds='true'
1177       # FIXME: Should let the user specify the lib program.
1178       old_archive_cmds='lib /OUT:$oldlib$oldobjs'
1179       fix_srcfile_path='`cygpath -w $srcfile`'
1180     fi
1181     ;;
1182
1183   # FreeBSD 2.2.[012] allows us to include c++rt0.o to get C++ constructor
1184   # support.  Future versions do this automatically, but an explicit c++rt0.o
1185   # does not break anything, and helps significantly (at the cost of a little
1186   # extra space).
1187   freebsd2.2*)
1188     archive_cmds='$LD -Bshareable -o $lib$libobjs$deplibs /usr/lib/c++rt0.o'
1189     hardcode_libdir_flag_spec='-R$libdir'
1190     hardcode_direct=yes
1191     hardcode_minus_L=yes
1192     hardcode_shlibpath_var=no
1193     ;;
1194
1195   # Unfortunately, older versions of FreeBSD 2 do not have this feature.
1196   freebsd2*)
1197     archive_cmds='$LD -Bshareable -o $lib$libobjs$deplibs'
1198     hardcode_direct=yes
1199     hardcode_minus_L=yes
1200     hardcode_shlibpath_var=no
1201     ;;
1202
1203   # FreeBSD 3, at last, uses gcc -shared to do shared libraries.
1204   freebsd3*)
1205     archive_cmds='$CC -shared -o $lib$libobjs$deplibs'
1206     hardcode_libdir_flag_spec='-R$libdir'
1207     hardcode_direct=yes
1208     hardcode_minus_L=no
1209     hardcode_shlibpath_var=no
1210     ;;
1211
1212   hpux9*)
1213     archive_cmds='$rm $objdir/$soname~$LD -b +s +b $install_libdir -o $objdir/$soname$libobjs$deplibs~test $objdir/$soname = $lib || mv $objdir/$soname $lib'
1214     hardcode_libdir_flag_spec='${wl}+b ${wl}$libdir'
1215     hardcode_direct=yes
1216     hardcode_minus_L=yes
1217     export_dynamic_flag_spec='${wl}-E'
1218     ;;
1219
1220   hpux10* | hpux11*)
1221     archive_cmds='$LD -b +h $soname +s +b $install_libdir -o $lib$libobjs$deplibs'
1222     hardcode_libdir_flag_spec='${wl}+b ${wl}$libdir'
1223     hardcode_direct=yes
1224     hardcode_minus_L=yes
1225     export_dynamic_flag_spec='${wl}-E'
1226     ;;
1227
1228   irix5* | irix6*)
1229     if test "$with_gcc" = yes; then
1230       archive_cmds='$CC -shared -o $lib ${wl}-soname ${wl}$soname ${wl}-set_version ${wl}$verstring$libobjs$deplibs'
1231     else
1232       archive_cmds='$LD -shared -o $lib -soname $soname -set_version $verstring$libobjs$deplibs'
1233     fi
1234     hardcode_libdir_flag_spec='${wl}-rpath ${wl}$libdir'
1235     ;;
1236
1237   netbsd*)
1238     # Tested with NetBSD 1.2 ld
1239     archive_cmds='$LD -Bshareable -o $lib$libobjs$deplibs'
1240     hardcode_libdir_flag_spec='-R$libdir'
1241     hardcode_direct=yes
1242     hardcode_shlibpath_var=no
1243     ;;
1244
1245   openbsd*)
1246     archive_cmds='$LD -Bshareable -o $lib$libobjs$deplibs'
1247     hardcode_libdir_flag_spec='-R$libdir'
1248     hardcode_direct=yes
1249     hardcode_shlibpath_var=no
1250     ;;
1251
1252   os2*)
1253     hardcode_libdir_flag_spec='-L$libdir'
1254     hardcode_minus_L=yes
1255     allow_undefined_flag=unsupported
1256     archive_cmds='$echo "LIBRARY $libname INITINSTANCE" > $objdir/$libname.def~$echo "DESCRIPTION \"$libname\"" >> $objdir/$libname.def~$echo DATA >> $objdir/$libname.def~$echo " SINGLE NONSHARED" >> $objdir/$libname.def~$echo EXPORTS >> $objdir/$libname.def~emxexp$libobjs >> $objdir/$libname.def~$CC -Zdll -Zcrtdll -o $lib$libobjs$deplibs $objdir/$libname.def'
1257     old_archive_from_new_cmds='emximp -o $objdir/$libname.a $objdir/$libname.def'
1258     ;;
1259
1260   osf3* | osf4*)
1261     if test "$with_gcc" = yes; then
1262       allow_undefined_flag=' ${wl}-expect_unresolved ${wl}\*'
1263       archive_cmds='$CC -shared${allow_undefined_flag} -o $lib ${wl}-soname ${wl}$soname ${wl}-set_version ${wl}$verstring$libobjs$deplibs'
1264     else
1265       allow_undefined_flag=' -expect_unresolved \*'
1266       archive_cmds='$LD -shared${allow_undefined_flag} -o $lib -soname $soname -set_version $verstring$libobjs$deplibs'
1267     fi
1268     hardcode_libdir_flag_spec='${wl}-rpath ${wl}$libdir'
1269     hardcode_libdir_separator=:
1270     ;;
1271
1272   sco3.2v5*)
1273     archive_cmds='$LD -G -o $lib$libobjs$deplibs'
1274     hardcode_direct=yes
1275     ;;
1276
1277   solaris*)
1278     no_undefined_flag=' -z text'
1279     # $CC -shared without GNU ld will not create a library from C++
1280     # object files and a static libstdc++, better avoid it by now
1281     archive_cmds='$LD -G${allow_undefined_flag} -h $soname -o $lib$libobjs$deplibs'
1282     archive_sym_cmds='$echo "{ global:" > $lib.exp~sed $export_symbols -e "s/.*/\1;/" >> $lib.exp~$echo "local: * }" >> $lib.exp~
1283                 $LD -G${allow_undefined_flag} -M $export_symbols -h $soname -o $lib$libobjs$deplibs~$rm $lib.exp'
1284     hardcode_libdir_flag_spec='-R$libdir'
1285     hardcode_shlibpath_var=no
1286
1287     # Solaris 2 before 2.5 hardcodes -L paths.
1288     case "$host_os" in
1289     solaris2.[0-4]*)
1290       hardcode_minus_L=yes
1291       ;;
1292     esac
1293     ;;
1294
1295   sunos4*)
1296     # Why do we need -Bstatic?  To avoid inter-library dependencies, maybe...
1297     if test "$with_gcc" = yes; then
1298       archive_cmds='$CC -shared ${wl}-Bstatic -o $lib$libobjs$deplibs'
1299     else
1300       archive_cmds='$LD -assert pure-text -Bstatic -o $lib$libobjs$deplibs'
1301     fi
1302     hardcode_libdir_flag_spec='-L$libdir'
1303     hardcode_direct=yes
1304     hardcode_minus_L=yes
1305     hardcode_shlibpath_var=no
1306     ;;
1307
1308   uts4*)
1309     archive_cmds='$LD -G -h $soname -o $lib$libobjs$deplibs'
1310     hardcode_libdir_flag_spec='-L$libdir'
1311     hardcode_direct=no
1312     hardcode_minus_L=no
1313     hardcode_shlibpath_var=no
1314     ;;
1315
1316   dgux*)
1317     archive_cmds='$LD -G -h $soname -o $lib$libobjs$deplibs'
1318     hardcode_libdir_flag_spec='-L$libdir'
1319     hardcode_direct=no
1320     hardcode_minus_L=no
1321     hardcode_shlibpath_var=no
1322     ;;
1323
1324   *)
1325     ld_shlibs=no
1326     can_build_shared=no
1327     ;;
1328   esac
1329 fi
1330 echo "$ac_t$ld_shlibs" 1>&6
1331
1332 if test -z "$NM"; then
1333   echo $ac_n "checking for BSD-compatible nm... $ac_c" 1>&6
1334   case "$NM" in
1335   /* | [A-Za-z]:[/\\]*) ;; # Let the user override the test with a path.
1336   *)
1337     IFS="${IFS=         }"; ac_save_ifs="$IFS"; IFS="${IFS}:"
1338     for ac_dir in /usr/ucb /usr/ccs/bin $PATH /bin; do
1339       test -z "$ac_dir" && ac_dir=.
1340       if test -f $ac_dir/nm; then
1341         # Check to see if the nm accepts a BSD-compat flag.
1342         # Adding the `sed 1q' prevents false positives on HP-UX, which says:
1343         #   nm: unknown option "B" ignored
1344         if ($ac_dir/nm -B /dev/null 2>&1 | sed '1q'; exit 0) | egrep /dev/null >/dev/null; then
1345           NM="$ac_dir/nm -B"
1346         elif ($ac_dir/nm -p /dev/null 2>&1 | sed '1q'; exit 0) | egrep /dev/null >/dev/null; then
1347           NM="$ac_dir/nm -p"
1348         else
1349           NM="$ac_dir/nm"
1350         fi
1351         break
1352       fi
1353     done
1354     IFS="$ac_save_ifs"
1355     test -z "$NM" && NM=nm
1356     ;;
1357   esac
1358   echo "$ac_t$NM" 1>&6
1359 fi
1360
1361 # Check for command to grab the raw symbol name followed by C symbol from nm.
1362 echo $ac_n "checking command to parse $NM output... $ac_c" 1>&6
1363
1364 # These are sane defaults that work on at least a few old systems.
1365 # [They come from Ultrix.  What could be older than Ultrix?!! ;)]
1366
1367 # Character class describing NM global symbol codes.
1368 symcode='[BCDEGRSTU]'
1369
1370 # Regexp to match symbols that can be accessed directly from C.
1371 sympat='\([_A-Za-z][_A-Za-z0-9]*\)'
1372
1373 # Transform the above into a raw symbol and a C symbol.
1374 symxfrm='\1 \1'
1375
1376 # Define system-specific variables.
1377 case "$host_os" in
1378 aix*)
1379   symcode='[BCDTU]'
1380   ;;
1381 sunos* | cygwin32* | mingw32*)
1382   sympat='_\([_A-Za-z][_A-Za-z0-9]*\)'
1383   symxfrm='_\1 \1'
1384   ;;
1385 irix*)
1386   # Cannot use undefined symbols on IRIX because inlined functions mess us up.
1387   symcode='[BCDEGRST]'
1388   ;;
1389 solaris*)
1390   symcode='[BDTU]'
1391   ;;
1392 esac
1393
1394 # If we're using GNU nm, then use its standard symbol codes.
1395 if $NM -V 2>&1 | egrep '(GNU|with BFD)' > /dev/null; then
1396   symcode='[ABCDGISTUW]'
1397 fi
1398
1399 case "$host_os" in
1400 cygwin32* | mingw32*)
1401   # We do not want undefined symbols on cygwin32.  The user must
1402   # arrange to define them via -l arguments.
1403   symcode='[ABCDGISTW]'
1404   ;;
1405 esac
1406
1407 # Write the raw and C identifiers.
1408 global_symbol_pipe="sed -n -e 's/^.* $symcode $sympat$/$symxfrm/p'"
1409
1410 # Check to see that the pipe works correctly.
1411 pipe_works=no
1412 $rm conftest*
1413 cat > conftest.c <<EOF
1414 #ifdef __cplusplus
1415 extern "C" {
1416 #endif
1417 char nm_test_var;
1418 void nm_test_func(){}
1419 #ifdef __cplusplus
1420 }
1421 #endif
1422 main(){nm_test_var='a';nm_test_func();return(0);}
1423 EOF
1424
1425 echo "$progname:1425: checking if global_symbol_pipe works" >&5
1426 if { (eval echo $progname:1426: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; } && test -s conftest.$objext; then
1427   # Now try to grab the symbols.
1428   nlist=conftest.nm
1429   if { echo "$progname:1429: eval \"$NM conftest.$objext | $global_symbol_pipe > $nlist\"" >&5; eval "$NM conftest.$objext | $global_symbol_pipe > $nlist 2>&5"; } && test -s "$nlist"; then
1430
1431     # Try sorting and uniquifying the output.
1432     if sort "$nlist" | uniq > "$nlist"T; then
1433       mv -f "$nlist"T "$nlist"
1434       wcout=`wc "$nlist" 2>/dev/null`
1435       count=`$echo "X$wcout" | $Xsed -e 's/^[   ]*\([0-9][0-9]*\).*$/\1/'`
1436       (test "$count" -ge 0) 2>/dev/null || count=-1
1437     else
1438       rm -f "$nlist"T
1439       count=-1
1440     fi
1441
1442     # Make sure that we snagged all the symbols we need.
1443     if egrep ' nm_test_var$' "$nlist" >/dev/null; then
1444       if egrep ' nm_test_func$' "$nlist" >/dev/null; then
1445         cat <<EOF > conftest.c
1446 #ifdef __cplusplus
1447 extern "C" {
1448 #endif
1449
1450 EOF
1451         # Now generate the symbol file.
1452         sed 's/^.* \(.*\)$/extern char \1;/' < "$nlist" >> conftest.c
1453
1454         cat <<EOF >> conftest.c
1455 #if defined (__STDC__) && __STDC__
1456 # define __ptr_t void *
1457 #else
1458 # define __ptr_t char *
1459 #endif
1460
1461 /* The number of symbols in dld_preloaded_symbols, -1 if unsorted. */
1462 int dld_preloaded_symbol_count = $count;
1463
1464 /* The mapping between symbol names and symbols. */
1465 struct {
1466   char *name;
1467   __ptr_t address;
1468 }
1469 dld_preloaded_symbols[] =
1470 {
1471 EOF
1472         sed 's/^\(.*\) \(.*\)$/  {"\1", (__ptr_t) \&\2},/' < "$nlist" >> conftest.c
1473         cat <<\EOF >> conftest.c
1474   {0, (__ptr_t) 0}
1475 };
1476
1477 #ifdef __cplusplus
1478 }
1479 #endif
1480 EOF
1481         # Now try linking the two files.
1482         mv conftest.$objext conftestm.$objext
1483         save_LIBS="$LIBS"
1484         save_CFLAGS="$CFLAGS"
1485         LIBS="conftestm.$objext"
1486         CFLAGS="$CFLAGS$no_builtin_flag"
1487         if { (eval echo $progname:1487: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
1488           pipe_works=yes
1489         else
1490           echo "$progname: failed program was:" >&5
1491           cat conftest.c >&5
1492         fi
1493         LIBS="$save_LIBS"
1494       else
1495         echo "cannot find nm_test_func in $nlist" >&5
1496       fi
1497     else
1498       echo "cannot find nm_test_var in $nlist" >&5
1499     fi
1500   else
1501     echo "cannot run $global_symbol_pipe" >&5
1502   fi
1503 else
1504   echo "$progname: failed program was:" >&5
1505   cat conftest.c >&5
1506 fi
1507 $rm conftest*
1508
1509 # Do not use the global_symbol_pipe unless it works.
1510 echo "$ac_t$pipe_works" 1>&6
1511 test "$pipe_works" = yes || global_symbol_pipe=
1512
1513 # Check hardcoding attributes.
1514 echo $ac_n "checking how to hardcode library paths into programs... $ac_c" 1>&6
1515 hardcode_action=
1516 if test -n "$hardcode_libdir_flag_spec" || \
1517    test -n "$runpath_var"; then
1518
1519   # We can hardcode non-existant directories.
1520   if test "$hardcode_direct" != no && \
1521      test "$hardcode_minus_L" != no && \
1522      test "$hardcode_shlibpath_var" != no; then
1523
1524     # Linking always hardcodes the temporary library directory.
1525     hardcode_action=relink
1526   else
1527     # We can link without hardcoding, and we can hardcode nonexisting dirs.
1528     hardcode_action=immediate
1529   fi
1530 else
1531   # We cannot hardcode anything, or else we can only hardcode existing
1532   # directories.
1533   hardcode_action=unsupported
1534 fi
1535 echo "$ac_t$hardcode_action" 1>&6
1536
1537
1538 reload_flag=
1539 reload_cmds='$LD$reload_flag -o $output$reload_objs'
1540 echo $ac_n "checking for $LD option to reload object files... $ac_c" 1>&6
1541 # PORTME Some linkers may need a different reload flag.
1542 reload_flag='-r'
1543 echo "$ac_t$reload_flag" 1>&6
1544 test -n "$reload_flag" && reload_flag=" $reload_flag"
1545
1546 # PORTME Fill in your ld.so characteristics
1547 library_names_spec=
1548 libname_spec='lib$name'
1549 soname_spec=
1550 postinstall_cmds=
1551 postuninstall_cmds=
1552 finish_cmds=
1553 finish_eval=
1554 shlibpath_var=
1555 version_type=none
1556 dynamic_linker="$host_os ld.so"
1557 sys_lib_search_path="/lib /usr/lib /usr/local/lib"
1558 check_shared_deplibs_method='none'
1559 # Need to set the preceding variable on all platforms that support
1560 # interlibrary dependencies.
1561 # 'none' -- dependencies not supported.
1562 # 'pass_all' -- all dependencies passed with no checks.
1563 # 'test_compile' -- check by making test program.
1564 # 'file_regex' -- check by looking for filenames that look like the shared
1565 # library in the library path.
1566 # 'file_magic [regex]' -- check by looking for files in library path which
1567 # responds to the "file" command with a given regex.  This is actually a
1568 # superset of the file_regex command.  If you have file on your system, you'll
1569 # want to use this instead.
1570 # Notes: regexes are run through expr.
1571
1572 echo $ac_n "checking dynamic linker characteristics... $ac_c" 1>&6
1573 case "$host_os" in
1574 aix3* | aix4*)
1575   version_type=linux
1576   library_names_spec='${libname}${release}.so$versuffix $libname.a'
1577   shlibpath_var=LIBPATH
1578
1579   # AIX has no versioning support, so we append a major version to the name.
1580   soname_spec='${libname}${release}.so$major'
1581   ;;
1582
1583 amigaos*)
1584   library_names_spec='$libname.ixlibrary $libname.a'
1585   # Create ${libname}_ixlibrary.a entries in /sys/libs.
1586   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 ${libname}_ixlibrary.a) || exit 1; done'
1587   ;;
1588
1589 bsdi4*)
1590   version_type=linux
1591   library_names_spec='${libname}.so.$major ${libname}.so'
1592   soname_spec='${libname}.so'
1593   finish_cmds='PATH="$PATH:/sbin" ldconfig $libdir'
1594   shlibpath_var=LD_LIBRARY_PATH
1595   ;;
1596
1597 cygwin32* | mingw32*)
1598   version_type=windows
1599   if test "$with_gcc" = yes; then
1600     library_names_spec='${libname}`echo ${release} | sed -e 's/[.]/-/g'`${versuffix}.dll $libname.a'
1601   else
1602     library_names_spec='${libname}`echo ${release} | sed -e 's/[.]/-/g'`${versuffix}.dll $libname.lib'
1603   fi
1604   dynamic_linker='Win32 ld.exe'
1605   libname_spec='$name'
1606   shlibpath_var=PATH
1607   ;;
1608
1609 freebsd2* | freebsd3*)
1610   objformat=`test -x /usr/bin/objformat && /usr/bin/objformat || echo aout`
1611   version_type=freebsd-$objformat
1612   library_names_spec='${libname}${release}.so$versuffix $libname.so'
1613   finish_cmds='PATH="$PATH:/sbin" OBJFORMAT="$objformat" ldconfig -m $libdir'
1614   shlibpath_var=LD_LIBRARY_PATH
1615   ;;
1616
1617 gnu*)
1618   version_type=linux
1619   library_names_spec='${libname}${release}.so$versuffix ${libname}.so'
1620   shlibpath_var=LD_LIBRARY_PATH
1621   ;;
1622
1623 hpux9* | hpux10* | hpux11*)
1624   # Give a soname corresponding to the major version so that dld.sl refuses to
1625   # link against other versions.
1626   dynamic_linker="$host_os dld.sl"
1627   version_type=sunos
1628   shlibpath_var=SHLIB_PATH
1629   library_names_spec='${libname}${release}.sl$versuffix ${libname}${release}.sl$major $libname.sl'
1630   soname_spec='${libname}${release}.sl$major'
1631   # HP-UX runs *really* slowly unless shared libraries are mode 555.
1632   postinstall_cmds='chmod 555 $lib'
1633   ;;
1634
1635 irix5*)
1636   version_type=osf
1637   soname_spec='${libname}${release}.so'
1638   library_names_spec='${libname}${release}.so$versuffix $libname.so'
1639   shlibpath_var=LD_LIBRARY_PATH
1640   ;;
1641
1642 irix6*)
1643   version_type=osf
1644   soname_spec='${libname}${release}.so'
1645   library_names_spec='${libname}${release}.so$versuffix $libname.so'
1646   shlibpath_var=LD_LIBRARYN32_PATH
1647   ;;
1648
1649 # No shared lib support for Linux oldld, aout, or coff.
1650 linux-gnuoldld* | linux-gnuaout* | linux-gnucoff*)
1651   dynamic_linker=no
1652   ;;
1653
1654 # This must be Linux ELF.
1655 linux-gnu*)
1656   version_type=linux
1657   library_names_spec='${libname}${release}.so$versuffix ${libname}${release}.so$major $libname.so'
1658   soname_spec='${libname}${release}.so$major'
1659   finish_cmds='PATH="\$PATH:/sbin" ldconfig -n $libdir'
1660   shlibpath_var=LD_LIBRARY_PATH
1661   check_shared_deplibs_method='file_magic ELF 32-bit LSB shared object'
1662   sys_lib_search_path="/lib /usr/lib /usr/local/lib `echo $LD_LIBRARY_PATH | sed -e 's/:/ /g'`"
1663
1664   if test -f /lib/ld.so.1; then
1665     dynamic_linker='GNU ld.so'
1666   else
1667     # Only the GNU ld.so supports shared libraries on MkLinux.
1668     case "$host_cpu" in
1669     powerpc*) dynamic_linker=no ;;
1670     *) dynamic_linker='Linux ld.so' ;;
1671     esac
1672   fi
1673   ;;
1674
1675 netbsd* | openbsd*)
1676   version_type=sunos
1677   library_names_spec='${libname}${release}.so$versuffix'
1678   finish_cmds='PATH="\$PATH:/sbin" ldconfig -m $libdir'
1679   shlibpath_var=LD_LIBRARY_PATH
1680   ;;
1681
1682 os2*)
1683   libname_spec='$name'
1684   library_names_spec='$libname.dll $libname.a'
1685   dynamic_linker='OS/2 ld.exe'
1686   shlibpath_var=LIBPATH
1687   ;;
1688
1689 osf3* | osf4*)
1690   version_type=osf
1691   soname_spec='${libname}${release}.so'
1692   library_names_spec='${libname}${release}.so$versuffix $libname.so'
1693   shlibpath_var=LD_LIBRARY_PATH
1694   check_shared_deplibs_method='pass_all'
1695   ;;
1696
1697 sco3.2v5*)
1698   version_type=osf
1699   soname_spec='${libname}${release}.so$major'
1700   library_names_spec='${libname}${release}.so$versuffix ${libname}${release}.so$major $libname.so'
1701   shlibpath_var=LD_LIBRARY_PATH
1702   ;;
1703
1704 solaris*)
1705   version_type=linux
1706   library_names_spec='${libname}${release}.so$versuffix ${libname}${release}.so$major $libname.so'
1707   soname_spec='${libname}${release}.so$major'
1708   shlibpath_var=LD_LIBRARY_PATH
1709   # ldd complains unless libraries are executable
1710   postinstall_cmds='chmod +x $lib'
1711   ;;
1712
1713 sunos4*)
1714   version_type=sunos
1715   library_names_spec='${libname}${release}.so$versuffix ${libname}.so$versuffix'
1716   finish_cmds='PATH="\$PATH:/usr/etc" ldconfig $libdir'
1717   shlibpath_var=LD_LIBRARY_PATH
1718   ;;
1719
1720 sysv4.2uw2*)
1721   version_type=linux
1722   library_names_spec='${libname}${release}.so$versuffix ${libname}${release}.so$major $libname.so'
1723   soname_spec='${libname}${release}.so$major'
1724   shlibpath_var=LD_LIBRARY_PATH
1725   ;;
1726
1727 uts4*)
1728   version_type=linux
1729   library_names_spec='${libname}${release}.so.$versuffix ${libname}${release}.so.$major $libname.so'
1730   soname_spec='${libname}${release}.so.$major'
1731   shlibpath_var=LD_LIBRARY_PATH
1732   ;;
1733
1734 dgux*)
1735   version_type=linux
1736   library_names_spec='${libname}${release}.so$versuffix ${libname}${release}.so$major $libname.so'
1737   soname_spec='${libname}${release}.so$major'
1738   shlibpath_var=LD_LIBRARY_PATH
1739   ;;
1740
1741 *)
1742   dynamic_linker=no
1743   ;;
1744 esac
1745 echo "$ac_t$dynamic_linker" 1>&6
1746 test "$dynamic_linker" = no && can_build_shared=no
1747
1748 # Report the final consequences.
1749 echo "checking if libtool supports shared libraries... $can_build_shared" 1>&6
1750
1751 echo $ac_n "checking whether to build shared libraries... $ac_c" 1>&6
1752 test "$can_build_shared" = "no" && enable_shared=no
1753
1754 # On AIX, shared libraries and static libraries use the same namespace, and
1755 # are all built from PIC.
1756 case "$host_os" in
1757 aix*)
1758   test "$enable_shared" = yes && enable_static=no
1759   if test -n "$RANLIB"; then
1760     archive_cmds="$archive_cmds~\$RANLIB \$lib"
1761     postinstall_cmds='$RANLIB $lib'
1762   fi
1763   ;;
1764 esac
1765
1766 echo "$ac_t$enable_shared" 1>&6
1767
1768 # Make sure either enable_shared or enable_static is yes.
1769 test "$enable_shared" = yes || enable_static=yes
1770
1771 echo "checking whether to build static libraries... $enable_static" 1>&6
1772
1773 echo $ac_n "checking for objdir... $ac_c" 1>&6
1774 rm -f .libs 2>/dev/null
1775 mkdir .libs 2>/dev/null
1776 if test -d .libs; then
1777   objdir=.libs
1778 else
1779   # MS-DOS does not allow filenames that begin with a dot.
1780   objdir=_libs
1781 fi
1782 rmdir .libs 2>/dev/null
1783 echo "$ac_t$objdir" 1>&6
1784
1785 # Copy echo and quote the copy, instead of the original, because it is
1786 # used later.
1787 ltecho="$echo"
1788 if test "X$ltecho" = "X$CONFIG_SHELL $0 --fallback-echo"; then
1789    ltecho="$CONFIG_SHELL \$0 --fallback-echo"
1790 fi
1791 LTSHELL="$SHELL"
1792
1793 # Only quote variables if we're using ltmain.sh.
1794 case "$ltmain" in
1795 *.sh)
1796   # Now quote all the things that may contain metacharacters.
1797   for var in ltecho old_CC old_CFLAGS old_CPPFLAGS old_LD old_NM old_RANLIB \
1798     old_LN_S old_DLLTOOL old_AS AR CC LD LN_S NM LTSHELL VERSION \
1799     reload_flag reload_cmds wl \
1800     pic_flag link_static_flag no_builtin_flag export_dynamic_flag_spec \
1801     whole_archive_flag_spec libname_spec library_names_spec soname_spec \
1802     RANLIB old_archive_cmds old_archive_from_new_cmds old_postinstall_cmds \
1803     old_postuninstall_cmds archive_cmds archive_sym_cmds postinstall_cmds postuninstall_cmds \
1804     check_shared_deplibs_method allow_undefined_flag no_undefined_flag \
1805     finish_cmds finish_eval global_symbol_pipe \
1806     hardcode_libdir_flag_spec hardcode_libdir_separator sys_lib_search_path \
1807     compiler_c_o compiler_o_lo need_locks; do
1808
1809     case "$var" in
1810     reload_cmds | old_archive_cmds | old_archive_from_new_cmds | \
1811     old_postinstall_cmds | old_postuninstall_cmds | \
1812     archive_cmds | archive_sym_cmds | \
1813     postinstall_cmds | postuninstall_cmds | \
1814     finish_cmds | sys_lib_search_path)
1815       # Double-quote double-evaled strings.
1816       eval "$var=\\\"\`\$echo \"X\$$var\" | \$Xsed -e \"\$double_quote_subst\" -e \"\$sed_quote_subst\"\`\\\""
1817       ;;
1818     *)
1819       eval "$var=\\\"\`\$echo \"X\$$var\" | \$Xsed -e \"\$sed_quote_subst\"\`\\\""
1820       ;;
1821     esac
1822   done
1823
1824   case "$ltecho" in
1825   *'\$0 --fallback-echo"')
1826     ltecho=`$echo "X$ltecho" |
1827             $Xsed -e 's/\\\\\\\$0 --fallback-echo"$/$0 --fallback-echo"/'`
1828     ;;
1829   esac
1830
1831   trap "$rm \"$ofile\"; exit 1" 1 2 15
1832   echo "creating $ofile"
1833   $rm "$ofile"
1834   cat <<EOF > "$ofile"
1835 #! $SHELL
1836
1837 # `$echo "$ofile" | sed 's%^.*/%%'` - Provide generalized library-building support services.
1838 # Generated automatically by $PROGRAM (GNU $PACKAGE $VERSION)
1839 # NOTE: Changes made to this file will be lost: look at ltconfig or ltmain.sh.
1840 #
1841 # Copyright (C) 1996-1998 Free Software Foundation, Inc.
1842 # Gordon Matzigkeit <gord@gnu.ai.mit.edu>, 1996
1843 #
1844 # This program is free software; you can redistribute it and/or modify
1845 # it under the terms of the GNU General Public License as published by
1846 # the Free Software Foundation; either version 2 of the License, or
1847 # (at your option) any later version.
1848 #
1849 # This program is distributed in the hope that it will be useful, but
1850 # WITHOUT ANY WARRANTY; without even the implied warranty of
1851 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
1852 # General Public License for more details.
1853 #
1854 # You should have received a copy of the GNU General Public License
1855 # along with this program; if not, write to the Free Software
1856 # Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
1857 #
1858 # As a special exception to the GNU General Public License, if you
1859 # distribute this file as part of a program that contains a
1860 # configuration script generated by Autoconf, you may include it under
1861 # the same distribution terms that you use for the rest of that program.
1862
1863 # Sed that helps us avoid accidentally triggering echo(1) options like -n.
1864 Xsed="sed -e s/^X//"
1865
1866 # The HP-UX ksh and POSIX shell print the target directory to stdout
1867 # if CDPATH is set.
1868 if test "\${CDPATH+set}" = set; then CDPATH=; export CDPATH; fi
1869
1870 ### BEGIN LIBTOOL CONFIG
1871 EOF
1872   cfgfile="$ofile"
1873   ;;
1874
1875 *)
1876   # Double-quote the variables that need it (for aesthetics).
1877   for var in old_CC old_CFLAGS old_CPPFLAGS old_LD old_NM old_RANLIB \
1878     old_LN_S old_DLLTOOL old_AS; do
1879     eval "$var=\\\"\$var\\\""
1880   done
1881
1882   # Just create a config file.
1883   cfgfile="$ofile.cfg"
1884   trap "$rm \"$cfgfile\"; exit 1" 1 2 15
1885   echo "creating $cfgfile"
1886   $rm "$cfgfile"
1887   cat <<EOF > "$cfgfile"
1888 # `$echo "$cfgfile" | sed 's%^.*/%%'` - Libtool configuration file.
1889 # Generated automatically by $PROGRAM (GNU $PACKAGE $VERSION)
1890 EOF
1891   ;;
1892 esac
1893
1894 cat <<EOF >> "$cfgfile"
1895 # Libtool was configured as follows, on host `(hostname || uname -n) 2>/dev/null | sed 1q`:
1896 #
1897 # CC=$old_CC CFLAGS=$old_CFLAGS CPPFLAGS=$old_CPPFLAGS \\
1898 # LD=$old_LD NM=$old_NM RANLIB=$old_RANLIB LN_S=$old_LN_S \\
1899 # DLLTOOL="$old_DLLTOOL" AS="$old_AS" \\
1900 #   $0$ltconfig_args
1901 #
1902 # Compiler and other test output produced by $progname, useful for
1903 # debugging $progname, is in ./config.log if it exists.
1904
1905 # The version of $progname that generated this script.
1906 LTCONFIG_VERSION=$VERSION
1907
1908 # Shell to use when invoking shell scripts.
1909 SHELL=$LTSHELL
1910
1911 # Whether or not to build shared libraries.
1912 build_libtool_libs=$enable_shared
1913
1914 # Whether or not to build static libraries.
1915 build_old_libs=$enable_static
1916
1917 # The host system.
1918 host_alias=$host_alias
1919 host=$host
1920
1921 # An echo program that does not interpret backslashes.
1922 echo=$ltecho
1923
1924 # The archiver.
1925 AR=$AR
1926
1927 # The default C compiler.
1928 CC=$CC
1929
1930 # The linker used to build libraries.
1931 LD=$LD
1932
1933 # Whether we need hard or soft links.
1934 LN_S=$LN_S
1935
1936 # A BSD-compatible nm program.
1937 NM=$NM
1938
1939 # Used on cygwin32: DLL creation program.
1940 DLLTOOL="$DLLTOOL"
1941
1942 # Used on cygwin32: assembler.
1943 AS="$AS"
1944
1945 # The name of the directory that contains temporary libtool files.
1946 objdir=$objdir
1947
1948 # How to create reloadable object files.
1949 reload_flag=$reload_flag
1950 reload_cmds=$reload_cmds
1951
1952 # How to pass a linker flag through the compiler.
1953 wl=$wl
1954
1955 # Object file suffix (normally "o").
1956 objext="$objext"
1957
1958 # Old archive suffix (normally "a").
1959 libext="$libext"
1960
1961 # Additional compiler flags for building library objects.
1962 pic_flag=$pic_flag
1963
1964 # Does compiler simultaneously support -c and -o options
1965 compiler_c_o=$compiler_c_o
1966
1967 # Can we write directly to a .lo ?
1968 compiler_o_lo=$compiler_o_lo
1969
1970 # Must we lock files when doing compilation ?
1971 need_locks=$need_locks
1972
1973 # Compiler flag to prevent dynamic linking.
1974 link_static_flag=$link_static_flag
1975
1976 # Compiler flag to turn off builtin functions.
1977 no_builtin_flag=$no_builtin_flag
1978
1979 # Compiler flag to allow reflexive dlopens.
1980 export_dynamic_flag_spec=$export_dynamic_flag_spec
1981
1982 # Compiler flag to generate shared objects directly from archives.
1983 whole_archive_flag_spec=$whole_archive_flag_spec
1984
1985 # Library versioning type.
1986 version_type=$version_type
1987
1988 # Format of library name prefix.
1989 libname_spec=$libname_spec
1990
1991 # List of archive names.  First name is the real one, the rest are links.
1992 # The last name is the one that the linker finds with -lNAME.
1993 library_names_spec=$library_names_spec
1994
1995 # The coded name of the library, if different from the real name.
1996 soname_spec=$soname_spec
1997
1998 # Commands used to build and install an old-style archive.
1999 RANLIB=$RANLIB
2000 old_archive_cmds=$old_archive_cmds
2001 old_postinstall_cmds=$old_postinstall_cmds
2002 old_postuninstall_cmds=$old_postuninstall_cmds
2003
2004 # Create an old-style archive from a shared archive.
2005 old_archive_from_new_cmds=$old_archive_from_new_cmds
2006
2007 # Commands used to build and install a shared archive.
2008 archive_cmds=$archive_cmds
2009 archive_sym_cmds=$archive_sym_cmds
2010 postinstall_cmds=$postinstall_cmds
2011 postuninstall_cmds=$postuninstall_cmds
2012
2013 # Method to check whether dependent libraries are shared objects.
2014 check_shared_deplibs_method=$check_shared_deplibs_method
2015
2016 # Flag that allows shared libraries with undefined symbols to be built.
2017 allow_undefined_flag=$allow_undefined_flag
2018
2019 # Flag that forces no undefined symbols.
2020 no_undefined_flag=$no_undefined_flag
2021
2022 # Commands used to finish a libtool library installation in a directory.
2023 finish_cmds=$finish_cmds
2024
2025 # Same as above, but a single script fragment to be evaled but not shown.
2026 finish_eval=$finish_eval
2027
2028 # Take the output of nm and produce a listing of raw symbols and C names.
2029 global_symbol_pipe=$global_symbol_pipe
2030
2031 # This is the shared library runtime path variable.
2032 runpath_var=$runpath_var
2033
2034 # This is the shared library path variable.
2035 shlibpath_var=$shlibpath_var
2036
2037 # How to hardcode a shared library path into an executable.
2038 hardcode_action=$hardcode_action
2039
2040 # Flag to hardcode \$libdir into a binary during linking.
2041 # This must work even if \$libdir does not exist.
2042 hardcode_libdir_flag_spec=$hardcode_libdir_flag_spec
2043
2044 # Whether we need a single -rpath flag with a separated argument.
2045 hardcode_libdir_separator=$hardcode_libdir_separator
2046
2047 # Set to yes if using DIR/libNAME.so during linking hardcodes DIR into the
2048 # resulting binary.
2049 hardcode_direct=$hardcode_direct
2050
2051 # Set to yes if using the -LDIR flag during linking hardcodes DIR into the
2052 # resulting binary.
2053 hardcode_minus_L=$hardcode_minus_L
2054
2055 # Set to yes if using SHLIBPATH_VAR=DIR during linking hardcodes DIR into
2056 # the resulting binary.
2057 hardcode_shlibpath_var=$hardcode_shlibpath_var
2058
2059 # System search path for libraries
2060 sys_lib_search_path=$sys_lib_search_path
2061
2062 # Fix the shell variable \$srcfile for the compiler.
2063 fix_srcfile_path="$fix_srcfile_path"
2064 EOF
2065
2066 case "$ltmain" in
2067 *.sh)
2068   echo '### END LIBTOOL CONFIG' >> "$ofile"
2069   echo >> "$ofile"
2070   case "$host_os" in
2071   aix3*)
2072     cat <<\EOF >> "$ofile"
2073
2074 # AIX sometimes has problems with the GCC collect2 program.  For some
2075 # reason, if we set the COLLECT_NAMES environment variable, the problems
2076 # vanish in a puff of smoke.
2077 if test "${COLLECT_NAMES+set}" != set; then
2078   COLLECT_NAMES=
2079   export COLLECT_NAMES
2080 fi
2081 EOF
2082     ;;
2083   esac
2084
2085   # Append the ltmain.sh script.
2086   cat "$ltmain" >> "$ofile" || (rm -f "$ofile"; exit 1)
2087
2088   chmod +x "$ofile"
2089   ;;
2090
2091 *)
2092   # Compile the libtool program.
2093   echo "FIXME: would compile $ltmain"
2094   ;;
2095 esac
2096 exit 0
2097
2098 # Local Variables:
2099 # mode:shell-script
2100 # sh-indentation:2
2101 # End: