libtool.m4

   1 ## libtool.m4 - Configure libtool for the host system. -*-Shell-script-*-
   2 ## Copyright 1996, 1997, 1998, 1999, 2000, 2001
   3 ## Free Software Foundation, Inc.
   4 ## Originally by Gordon Matzigkeit <gord@gnu.ai.mit.edu>, 1996
   5 ##
   6 ## This program is free software; you can redistribute it and/or modify
   7 ## it under the terms of the GNU General Public License as published by
   8 ## the Free Software Foundation; either version 2 of the License, or
   9 ## (at your option) any later version.
  10 ##
  11 ## This program is distributed in the hope that it will be useful, but
  12 ## WITHOUT ANY WARRANTY; without even the implied warranty of
  13 ## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14 ## General Public License for more details.
  15 ##
  16 ## You should have received a copy of the GNU General Public License
  17 ## along with this program; if not, write to the Free Software
  18 ## Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
  19 ##
  20 ## As a special exception to the GNU General Public License, if you
  21 ## distribute this file as part of a program that contains a
  22 ## configuration script generated by Autoconf, you may include it under
  23 ## the same distribution terms that you use for the rest of that program.
  24
  25 # serial 46 AC_PROG_LIBTOOL
  26 AC_DEFUN([AC_PROG_LIBTOOL],
  27 [AC_REQUIRE([_AC_PROG_LIBTOOL])dnl
  28 dnl If AC_PROG_CXX has already been expanded, run AC_LIBTOOL_CXX
  29 dnl immediately, otherwise, hook it in at the end of AC_PROG_CXX.
  30   AC_PROVIDE_IFELSE([AC_PROG_CXX],
  31     [AC_LIBTOOL_CXX],
  32     [define([AC_PROG_CXX], defn([AC_PROG_CXX])[AC_LIBTOOL_CXX
  33 ])])
  34
  35 dnl Quote A][M_PROG_GCJ so that aclocal doesn't bring it in needlessly.
  36 dnl If either AC_PROG_GCJ or A][M_PROG_GCJ have already been expanded, run
  37 dnl AC_LIBTOOL_GCJ immediately, otherwise, hook it in at the end of both.
  38   AC_PROVIDE_IFELSE([AC_PROG_GCJ],
  39     [AC_LIBTOOL_GCJ],
  40     [AC_PROVIDE_IFELSE([A][M_PROG_GCJ],
  41         [AC_LIBTOOL_GCJ],
  42         [AC_PROVIDE_IFELSE([LT_AC_PROG_GCJ],
  43           [AC_LIBTOOL_GCJ],
  44         [ifdef([AC_PROG_GCJ],
  45                [define([AC_PROG_GCJ], defn([AC_PROG_GCJ])[AC_LIBTOOL_GCJ
  46 ])])
  47          ifdef([A][M_PROG_GCJ],
  48                [define([A][M_PROG_GCJ], defn([A][M_PROG_GCJ])[AC_LIBTOOL_GCJ
  49 ])])
  50          ifdef([LT_AC_PROG_GCJ],
  51                [define([LT_AC_PROG_GCJ], defn([LT_AC_PROG_GCJ])[AC_LIBTOOL_GCJ
  52 ])])])])])])
  53
  54 AC_DEFUN([_AC_PROG_LIBTOOL],
  55 [AC_REQUIRE([AC_LIBTOOL_SETUP])dnl
  56 AC_BEFORE([$0],[AC_LIBTOOL_CXX])dnl
  57 AC_BEFORE([$0],[AC_LIBTOOL_GCJ])dnl
  58
  59 # Save cache, so that ltconfig can load it
  60 AC_CACHE_SAVE
  61
  62 # Actually configure libtool.  ac_aux_dir is where install-sh is found.
  63 AR="$AR" LTCC="$CC" CC="$CC" CFLAGS="$CFLAGS" CPPFLAGS="$CPPFLAGS" \
  64 MAGIC_CMD="$MAGIC_CMD" LD="$LD" LDFLAGS="$LDFLAGS" LIBS="$LIBS" \
  65 LN_S="$LN_S" NM="$NM" RANLIB="$RANLIB" STRIP="$STRIP" \
  66 AS="$AS" DLLTOOL="$DLLTOOL" OBJDUMP="$OBJDUMP" \
  67 objext="$OBJEXT" exeext="$EXEEXT" reload_flag="$reload_flag" \
  68 deplibs_check_method="$deplibs_check_method" file_magic_cmd="$file_magic_cmd" \
  69 ${CONFIG_SHELL-/bin/sh} $ac_aux_dir/ltconfig --no-reexec \
  70 $libtool_flags --no-verify --build="$build" $ac_aux_dir/ltmain.sh $host \
  71 || AC_MSG_ERROR([libtool configure failed])
  72
  73 # Reload cache, that may have been modified by ltconfig
  74 AC_CACHE_LOAD
  75
  76 # This can be used to rebuild libtool when needed
  77 LIBTOOL_DEPS="$ac_aux_dir/ltconfig $ac_aux_dir/ltmain.sh $ac_aux_dir/ltcf-c.sh"
  78
  79 # Always use our own libtool.
  80 LIBTOOL='$(SHELL) $(top_builddir)/libtool'
  81 AC_SUBST(LIBTOOL)dnl
  82
  83 # Redirect the config.log output again, so that the ltconfig log is not
  84 # clobbered by the next message.
  85 exec 5>>./config.log
  86 ])
  87
  88 AC_DEFUN([AC_LIBTOOL_SETUP],
  89 [AC_PREREQ(2.13)dnl
  90 AC_REQUIRE([AC_ENABLE_SHARED])dnl
  91 AC_REQUIRE([AC_ENABLE_STATIC])dnl
  92 AC_REQUIRE([AC_ENABLE_FAST_INSTALL])dnl
  93 AC_REQUIRE([AC_CANONICAL_HOST])dnl
  94 AC_REQUIRE([AC_CANONICAL_BUILD])dnl
  95 AC_REQUIRE([AC_PROG_CC])dnl
  96 AC_REQUIRE([AC_PROG_LD])dnl
  97 AC_REQUIRE([AC_PROG_LD_RELOAD_FLAG])dnl
  98 AC_REQUIRE([AC_PROG_NM])dnl
  99 AC_REQUIRE([AC_PROG_LN_S])dnl
 100 AC_REQUIRE([AC_DEPLIBS_CHECK_METHOD])dnl
 101 # Autoconf 2.13's AC_OBJEXT and AC_EXEEXT macros only works for C compilers!
 102 AC_REQUIRE([AC_OBJEXT])dnl
 103 AC_REQUIRE([AC_EXEEXT])dnl
 104 dnl
 105
 106 # Only perform the check for file, if the check method requires it
 107 case $deplibs_check_method in
 108 file_magic*)
 109   if test "$file_magic_cmd" = '$MAGIC_CMD'; then
 110     AC_PATH_MAGIC
 111   fi
 112   ;;
 113 esac
 114
 115 AC_CHECK_TOOL(RANLIB, ranlib, :)
 116 AC_CHECK_TOOL(STRIP, strip, :)
 117
 118 # Check for any special flags to pass to ltconfig.
 119 libtool_flags="--cache-file=$cache_file"
 120 test "$enable_shared" = no && libtool_flags="$libtool_flags --disable-shared"
 121 test "$enable_static" = no && libtool_flags="$libtool_flags --disable-static"
 122 test "$enable_fast_install" = no && libtool_flags="$libtool_flags --disable-fast-install"
 123 test "$GCC" = yes && libtool_flags="$libtool_flags --with-gcc"
 124 test "$lt_cv_prog_gnu_ld" = yes && libtool_flags="$libtool_flags --with-gnu-ld"
 125 ifdef([AC_PROVIDE_AC_LIBTOOL_DLOPEN],
 126 [libtool_flags="$libtool_flags --enable-dlopen"])
 127 ifdef([AC_PROVIDE_AC_LIBTOOL_WIN32_DLL],
 128 [libtool_flags="$libtool_flags --enable-win32-dll"])
 129 AC_ARG_ENABLE(libtool-lock,
 130   [  --disable-libtool-lock  avoid locking (might break parallel builds)])
 131 test "x$enable_libtool_lock" = xno && libtool_flags="$libtool_flags --disable-lock"
 132 test x"$silent" = xyes && libtool_flags="$libtool_flags --silent"
 133
 134 AC_ARG_WITH(pic,
 135   [  --with-pic              try to use only PIC/non-PIC objects [default=use both]],
 136      pic_mode="$withval", pic_mode=default)
 137 test x"$pic_mode" = xyes && libtool_flags="$libtool_flags --prefer-pic"
 138 test x"$pic_mode" = xno && libtool_flags="$libtool_flags --prefer-non-pic"
 139
 140 # Some flags need to be propagated to the compiler or linker for good
 141 # libtool support.
 142 case $host in
 143 *-*-irix6*)
 144   # Find out which ABI we are using.
 145   echo '[#]line __oline__ "configure"' > conftest.$ac_ext
 146   if AC_TRY_EVAL(ac_compile); then
 147    if test "$lt_cv_prog_gnu_ld" = yes; then
 148     case `/usr/bin/file conftest.$ac_objext` in
 149     *32-bit*)
 150       LD="${LD-ld} -melf32bsmip"
 151       ;;
 152     *N32*)
 153       LD="${LD-ld} -melf32bmipn32"
 154       ;;
 155     *64-bit*)
 156       LD="${LD-ld} -melf64bmip"
 157       ;;
 158     esac
 159    else
 160     case `/usr/bin/file conftest.$ac_objext` in
 161     *32-bit*)
 162       LD="${LD-ld} -32"
 163       ;;
 164     *N32*)
 165       LD="${LD-ld} -n32"
 166       ;;
 167     *64-bit*)
 168       LD="${LD-ld} -64"
 169       ;;
 170     esac
 171    fi
 172   fi
 173   rm -rf conftest*
 174   ;;
 175
 176 ia64-*-hpux*)
 177   # Find out which ABI we are using.
 178   echo 'int i;' > conftest.$ac_ext
 179   if AC_TRY_EVAL(ac_compile); then
 180     case "`/usr/bin/file conftest.o`" in
 181     *ELF-32*)
 182       HPUX_IA64_MODE="32"
 183       ;;
 184     *ELF-64*)
 185       HPUX_IA64_MODE="64"
 186       ;;
 187     esac
 188   fi
 189   rm -rf conftest*
 190   ;;
 191
 192 x86_64-*linux*|ppc*-*linux*|powerpc*-*linux*|s390*-*linux*|sparc*-*linux*)
 193   # Find out which ABI we are using.
 194   echo 'int i;' > conftest.$ac_ext
 195   if AC_TRY_EVAL(ac_compile); then
 196     case "`/usr/bin/file conftest.o`" in
 197     *32-bit*)
 198       case $host in
 199         x86_64-*linux*)
 200           LD="${LD-ld} -m elf_i386"
 201           ;;
 202         ppc64-*linux*|powerpc64-*linux*)
 203           LD="${LD-ld} -m elf32ppclinux"
 204           ;;
 205         s390x-*linux*)
 206           LD="${LD-ld} -m elf_s390"
 207           ;;
 208         sparc64-*linux*)
 209           LD="${LD-ld} -m elf32_sparc"
 210           ;;
 211       esac
 212       ;;
 213     *64-bit*)
 214       case $host in
 215         x86_64-*linux*)
 216           LD="${LD-ld} -m elf_x86_64"
 217           ;;
 218         ppc*-*linux*|powerpc*-*linux*)
 219           LD="${LD-ld} -m elf64ppc"
 220           ;;
 221         s390*-*linux*)
 222           LD="${LD-ld} -m elf64_s390"
 223           ;;
 224         sparc*-*linux*)
 225           LD="${LD-ld} -m elf64_sparc"
 226           ;;
 227       esac
 228       ;;
 229     esac
 230   fi
 231   rm -rf conftest*
 232   ;;
 233
 234 *-*-sco3.2v5*)
 235   # On SCO OpenServer 5, we need -belf to get full-featured binaries.
 236   SAVE_CFLAGS="$CFLAGS"
 237   CFLAGS="$CFLAGS -belf"
 238   AC_CACHE_CHECK([whether the C compiler needs -belf], lt_cv_cc_needs_belf,
 239     [AC_LANG_SAVE
 240      AC_LANG_C
 241      AC_TRY_LINK([],[],[lt_cv_cc_needs_belf=yes],[lt_cv_cc_needs_belf=no])
 242      AC_LANG_RESTORE])
 243   if test x"$lt_cv_cc_needs_belf" != x"yes"; then
 244     # this is probably gcc 2.8.0, egcs 1.0 or newer; no need for -belf
 245     CFLAGS="$SAVE_CFLAGS"
 246   fi
 247   ;;
 248
 249 ifdef([AC_PROVIDE_AC_LIBTOOL_WIN32_DLL],
 250 [*-*-cygwin* | *-*-mingw* | *-*-pw32*)
 251   AC_CHECK_TOOL(DLLTOOL, dlltool, false)
 252   AC_CHECK_TOOL(AS, as, false)
 253   AC_CHECK_TOOL(OBJDUMP, objdump, false)
 254
 255   # recent cygwin and mingw systems supply a stub DllMain which the user
 256   # can override, but on older systems we have to supply one
 257   AC_CACHE_CHECK([if libtool should supply DllMain function], lt_cv_need_dllmain,
 258     [AC_TRY_LINK([],
 259       [extern int __attribute__((__stdcall__)) DllMain(void*, int, void*);
 260       DllMain (0, 0, 0);],
 261       [lt_cv_need_dllmain=no],[lt_cv_need_dllmain=yes])])
 262
 263   case $host/$CC in
 264   *-*-cygwin*/gcc*-mno-cygwin*|*-*-mingw*)
 265     # old mingw systems require "-dll" to link a DLL, while more recent ones
 266     # require "-mdll"
 267     SAVE_CFLAGS="$CFLAGS"
 268     CFLAGS="$CFLAGS -mdll"
 269     AC_CACHE_CHECK([how to link DLLs], lt_cv_cc_dll_switch,
 270       [AC_TRY_LINK([], [], [lt_cv_cc_dll_switch=-mdll],[lt_cv_cc_dll_switch=-dll])])
 271     CFLAGS="$SAVE_CFLAGS" ;;
 272   *-*-cygwin* | *-*-pw32*)
 273     # cygwin systems need to pass --dll to the linker, and not link
 274     # crt.o which will require a WinMain@16 definition.
 275     lt_cv_cc_dll_switch="-Wl,--dll -nostartfiles" ;;
 276   esac
 277   ;;
 278   ])
 279 esac
 280 ])
 281
 282 # AC_LIBTOOL_DLOPEN - enable checks for dlopen support
 283 AC_DEFUN([AC_LIBTOOL_DLOPEN], [AC_BEFORE([$0],[AC_LIBTOOL_SETUP])])
 284
 285 # AC_LIBTOOL_WIN32_DLL - declare package support for building win32 dll's
 286 AC_DEFUN([AC_LIBTOOL_WIN32_DLL], [AC_BEFORE([$0], [AC_LIBTOOL_SETUP])])
 287
 288 # AC_ENABLE_SHARED - implement the --enable-shared flag
 289 # Usage: AC_ENABLE_SHARED[(DEFAULT)]
 290 #   Where DEFAULT is either `yes' or `no'.  If omitted, it defaults to
 291 #   `yes'.
 292 AC_DEFUN([AC_ENABLE_SHARED],
 293 [define([AC_ENABLE_SHARED_DEFAULT], ifelse($1, no, no, yes))dnl
 294 AC_ARG_ENABLE(shared,
 295 changequote(<<, >>)dnl
 296 <<  --enable-shared[=PKGS]  build shared libraries [default=>>AC_ENABLE_SHARED_DEFAULT],
 297 changequote([, ])dnl
 298 [p=${PACKAGE-default}
 299 case $enableval in
 300 yes) enable_shared=yes ;;
 301 no) enable_shared=no ;;
 302 *)
 303   enable_shared=no
 304   # Look at the argument we got.  We use all the common list separators.
 305   IFS="${IFS=   }"; ac_save_ifs="$IFS"; IFS="${IFS}:,"
 306   for pkg in $enableval; do
 307     if test "X$pkg" = "X$p"; then
 308       enable_shared=yes
 309     fi
 310   done
 311   IFS="$ac_save_ifs"
 312   ;;
 313 esac],
 314 enable_shared=AC_ENABLE_SHARED_DEFAULT)dnl
 315 ])
 316
 317 # AC_DISABLE_SHARED - set the default shared flag to --disable-shared
 318 AC_DEFUN([AC_DISABLE_SHARED], [AC_BEFORE([$0],[AC_LIBTOOL_SETUP])dnl
 319 AC_ENABLE_SHARED(no)])
 320
 321 # AC_ENABLE_STATIC - implement the --enable-static flag
 322 # Usage: AC_ENABLE_STATIC[(DEFAULT)]
 323 #   Where DEFAULT is either `yes' or `no'.  If omitted, it defaults to
 324 #   `yes'.
 325 AC_DEFUN([AC_ENABLE_STATIC],
 326 [define([AC_ENABLE_STATIC_DEFAULT], ifelse($1, no, no, yes))dnl
 327 AC_ARG_ENABLE(static,
 328 changequote(<<, >>)dnl
 329 <<  --enable-static[=PKGS]  build static libraries [default=>>AC_ENABLE_STATIC_DEFAULT],
 330 changequote([, ])dnl
 331 [p=${PACKAGE-default}
 332 case $enableval in
 333 yes) enable_static=yes ;;
 334 no) enable_static=no ;;
 335 *)
 336   enable_static=no
 337   # Look at the argument we got.  We use all the common list separators.
 338   IFS="${IFS=   }"; ac_save_ifs="$IFS"; IFS="${IFS}:,"
 339   for pkg in $enableval; do
 340     if test "X$pkg" = "X$p"; then
 341       enable_static=yes
 342     fi
 343   done
 344   IFS="$ac_save_ifs"
 345   ;;
 346 esac],
 347 enable_static=AC_ENABLE_STATIC_DEFAULT)dnl
 348 ])
 349
 350 # AC_DISABLE_STATIC - set the default static flag to --disable-static
 351 AC_DEFUN([AC_DISABLE_STATIC],
 352 [AC_BEFORE([$0],[AC_LIBTOOL_SETUP])dnl
 353 AC_ENABLE_STATIC(no)])
 354
 355
 356 # AC_ENABLE_FAST_INSTALL - implement the --enable-fast-install flag
 357 # Usage: AC_ENABLE_FAST_INSTALL[(DEFAULT)]
 358 #   Where DEFAULT is either `yes' or `no'.  If omitted, it defaults to
 359 #   `yes'.
 360 AC_DEFUN([AC_ENABLE_FAST_INSTALL],
 361 [define([AC_ENABLE_FAST_INSTALL_DEFAULT], ifelse($1, no, no, yes))dnl
 362 AC_ARG_ENABLE(fast-install,
 363 changequote(<<, >>)dnl
 364 <<  --enable-fast-install[=PKGS]  optimize for fast installation [default=>>AC_ENABLE_FAST_INSTALL_DEFAULT],
 365 changequote([, ])dnl
 366 [p=${PACKAGE-default}
 367 case $enableval in
 368 yes) enable_fast_install=yes ;;
 369 no) enable_fast_install=no ;;
 370 *)
 371   enable_fast_install=no
 372   # Look at the argument we got.  We use all the common list separators.
 373   IFS="${IFS=   }"; ac_save_ifs="$IFS"; IFS="${IFS}:,"
 374   for pkg in $enableval; do
 375     if test "X$pkg" = "X$p"; then
 376       enable_fast_install=yes
 377     fi
 378   done
 379   IFS="$ac_save_ifs"
 380   ;;
 381 esac],
 382 enable_fast_install=AC_ENABLE_FAST_INSTALL_DEFAULT)dnl
 383 ])
 384
 385 # AC_DISABLE_FAST_INSTALL - set the default to --disable-fast-install
 386 AC_DEFUN([AC_DISABLE_FAST_INSTALL],
 387 [AC_BEFORE([$0],[AC_LIBTOOL_SETUP])dnl
 388 AC_ENABLE_FAST_INSTALL(no)])
 389
 390 # AC_LIBTOOL_PICMODE - implement the --with-pic flag
 391 # Usage: AC_LIBTOOL_PICMODE[(MODE)]
 392 #   Where MODE is either `yes' or `no'.  If omitted, it defaults to
 393 #   `both'.
 394 AC_DEFUN([AC_LIBTOOL_PICMODE],
 395 [AC_BEFORE([$0],[AC_LIBTOOL_SETUP])dnl
 396 pic_mode=ifelse($#,1,$1,default)])
 397
 398
 399 # AC_PATH_TOOL_PREFIX - find a file program which can recognise shared library
 400 AC_DEFUN([AC_PATH_TOOL_PREFIX],
 401 [AC_MSG_CHECKING([for $1])
 402 AC_CACHE_VAL(lt_cv_path_MAGIC_CMD,
 403 [case $MAGIC_CMD in
 404   /*)
 405   lt_cv_path_MAGIC_CMD="$MAGIC_CMD" # Let the user override the test with a path.
 406   ;;
 407   ?:/*)
 408   lt_cv_path_MAGIC_CMD="$MAGIC_CMD" # Let the user override the test with a dos path.
 409   ;;
 410   *)
 411   ac_save_MAGIC_CMD="$MAGIC_CMD"
 412   IFS="${IFS=   }"; ac_save_ifs="$IFS"; IFS=":"
 413 dnl $ac_dummy forces splitting on constant user-supplied paths.
 414 dnl POSIX.2 word splitting is done only on the output of word expansions,
 415 dnl not every word.  This closes a longstanding sh security hole.
 416   ac_dummy="ifelse([$2], , $PATH, [$2])"
 417   for ac_dir in $ac_dummy; do
 418     test -z "$ac_dir" && ac_dir=.
 419     if test -f $ac_dir/$1; then
 420       lt_cv_path_MAGIC_CMD="$ac_dir/$1"
 421       if test -n "$file_magic_test_file"; then
 422         case $deplibs_check_method in
 423         "file_magic "*)
 424           file_magic_regex="`expr \"$deplibs_check_method\" : \"file_magic \(.*\)\"`"
 425           MAGIC_CMD="$lt_cv_path_MAGIC_CMD"
 426           if eval $file_magic_cmd \$file_magic_test_file 2> /dev/null |
 427             egrep "$file_magic_regex" > /dev/null; then
 428             :
 429           else
 430             cat <<EOF 1>&2
 431
 432 *** Warning: the command libtool uses to detect shared libraries,
 433 *** $file_magic_cmd, produces output that libtool cannot recognize.
 434 *** The result is that libtool may fail to recognize shared libraries
 435 *** as such.  This will affect the creation of libtool libraries that
 436 *** depend on shared libraries, but programs linked with such libtool
 437 *** libraries will work regardless of this problem.  Nevertheless, you
 438 *** may want to report the problem to your system manager and/or to
 439 *** bug-libtool@gnu.org
 440
 441 EOF
 442           fi ;;
 443         esac
 444       fi
 445       break
 446     fi
 447   done
 448   IFS="$ac_save_ifs"
 449   MAGIC_CMD="$ac_save_MAGIC_CMD"
 450   ;;
 451 esac])
 452 MAGIC_CMD="$lt_cv_path_MAGIC_CMD"
 453 if test -n "$MAGIC_CMD"; then
 454   AC_MSG_RESULT($MAGIC_CMD)
 455 else
 456   AC_MSG_RESULT(no)
 457 fi
 458 ])
 459
 460
 461 # AC_PATH_MAGIC - find a file program which can recognise a shared library
 462 AC_DEFUN([AC_PATH_MAGIC],
 463 [AC_REQUIRE([AC_CHECK_TOOL_PREFIX])dnl
 464 AC_PATH_TOOL_PREFIX(${ac_tool_prefix}file, /usr/bin:$PATH)
 465 if test -z "$lt_cv_path_MAGIC_CMD"; then
 466   if test -n "$ac_tool_prefix"; then
 467     AC_PATH_TOOL_PREFIX(file, /usr/bin:$PATH)
 468   else
 469     MAGIC_CMD=:
 470   fi
 471 fi
 472 ])
 473
 474
 475 # AC_PROG_LD - find the path to the GNU or non-GNU linker
 476 AC_DEFUN([AC_PROG_LD],
 477 [AC_ARG_WITH(gnu-ld,
 478 [  --with-gnu-ld           assume the C compiler uses GNU ld [default=no]],
 479 test "$withval" = no || with_gnu_ld=yes, with_gnu_ld=no)
 480 AC_REQUIRE([AC_PROG_CC])dnl
 481 AC_REQUIRE([AC_CANONICAL_HOST])dnl
 482 AC_REQUIRE([AC_CANONICAL_BUILD])dnl
 483 ac_prog=ld
 484 if test "$GCC" = yes; then
 485   # Check if gcc -print-prog-name=ld gives a path.
 486   AC_MSG_CHECKING([for ld used by GCC])
 487   case $host in
 488   *-*-mingw*)
 489     # gcc leaves a trailing carriage return which upsets mingw
 490     ac_prog=`($CC -print-prog-name=ld) 2>&5 | tr -d '\015'` ;;
 491   *)
 492     ac_prog=`($CC -print-prog-name=ld) 2>&5` ;;
 493   esac
 494   case $ac_prog in
 495     # Accept absolute paths.
 496     [[\\/]* | [A-Za-z]:[\\/]*)]
 497       re_direlt=['/[^/][^/]*/\.\./']
 498       # Canonicalize the path of ld
 499       ac_prog=`echo $ac_prog| sed 's%\\\\%/%g'`
 500       while echo $ac_prog | grep "$re_direlt" > /dev/null 2>&1; do
 501         ac_prog=`echo $ac_prog| sed "s%$re_direlt%/%"`
 502       done
 503       test -z "$LD" && LD="$ac_prog"
 504       ;;
 505   "")
 506     # If it fails, then pretend we aren't using GCC.
 507     ac_prog=ld
 508     ;;
 509   *)
 510     # If it is relative, then search for the first ld in PATH.
 511     with_gnu_ld=unknown
 512     ;;
 513   esac
 514 elif test "$with_gnu_ld" = yes; then
 515   AC_MSG_CHECKING([for GNU ld])
 516 else
 517   AC_MSG_CHECKING([for non-GNU ld])
 518 fi
 519 AC_CACHE_VAL(lt_cv_path_LD,
 520 [if test -z "$LD"; then
 521   IFS="${IFS=   }"; ac_save_ifs="$IFS"; IFS="${IFS}${PATH_SEPARATOR-:}"
 522   for ac_dir in $PATH; do
 523     test -z "$ac_dir" && ac_dir=.
 524     if test -f "$ac_dir/$ac_prog" || test -f "$ac_dir/$ac_prog$ac_exeext"; then
 525       lt_cv_path_LD="$ac_dir/$ac_prog"
 526       # Check to see if the program is GNU ld.  I'd rather use --version,
 527       # but apparently some GNU ld's only accept -v.
 528       # Break only if it was the GNU/non-GNU ld that we prefer.
 529       if "$lt_cv_path_LD" -v 2>&1 < /dev/null | egrep '(GNU|with BFD)' > /dev/null; then
 530         test "$with_gnu_ld" != no && break
 531       else
 532         test "$with_gnu_ld" != yes && break
 533       fi
 534     fi
 535   done
 536   IFS="$ac_save_ifs"
 537 else
 538   lt_cv_path_LD="$LD" # Let the user override the test with a path.
 539 fi])
 540 LD="$lt_cv_path_LD"
 541 if test -n "$LD"; then
 542   AC_MSG_RESULT($LD)
 543 else
 544   AC_MSG_RESULT(no)
 545 fi
 546 test -z "$LD" && AC_MSG_ERROR([no acceptable ld found in \$PATH])
 547 AC_PROG_LD_GNU
 548 ])
 549
 550 AC_DEFUN([AC_PROG_LD_GNU],
 551 [AC_CACHE_CHECK([if the linker ($LD) is GNU ld], lt_cv_prog_gnu_ld,
 552 [# I'd rather use --version here, but apparently some GNU ld's only accept -v.
 553 if $LD -v 2>&1 </dev/null | egrep '(GNU|with BFD)' 1>&5; then
 554   lt_cv_prog_gnu_ld=yes
 555 else
 556   lt_cv_prog_gnu_ld=no
 557 fi])
 558 with_gnu_ld=$lt_cv_prog_gnu_ld
 559 ])
 560
 561 # AC_PROG_LD_RELOAD_FLAG - find reload flag for linker
 562 #   -- PORTME Some linkers may need a different reload flag.
 563 AC_DEFUN([AC_PROG_LD_RELOAD_FLAG],
 564 [AC_CACHE_CHECK([for $LD option to reload object files], lt_cv_ld_reload_flag,
 565 [lt_cv_ld_reload_flag='-r'])
 566 reload_flag=$lt_cv_ld_reload_flag
 567 test -n "$reload_flag" && reload_flag=" $reload_flag"
 568 ])
 569
 570 # AC_DEPLIBS_CHECK_METHOD - how to check for library dependencies
 571 #  -- PORTME fill in with the dynamic library characteristics
 572 AC_DEFUN([AC_DEPLIBS_CHECK_METHOD],
 573 [AC_CACHE_CHECK([how to recognise dependant libraries],
 574 lt_cv_deplibs_check_method,
 575 [lt_cv_file_magic_cmd='$MAGIC_CMD'
 576 lt_cv_file_magic_test_file=
 577 lt_cv_deplibs_check_method='unknown'
 578 # Need to set the preceding variable on all platforms that support
 579 # interlibrary dependencies.
 580 # 'none' -- dependencies not supported.
 581 # `unknown' -- same as none, but documents that we really don't know.
 582 # 'pass_all' -- all dependencies passed with no checks.
 583 # 'test_compile' -- check by making test program.
 584 # 'file_magic [regex]' -- check by looking for files in library path
 585 # which responds to the $file_magic_cmd with a given egrep regex.
 586 # If you have `file' or equivalent on your system and you're not sure
 587 # whether `pass_all' will *always* work, you probably want this one.
 588
 589 case $host_os in
 590 aix*)
 591   lt_cv_deplibs_check_method=pass_all
 592   ;;
 593
 594 beos*)
 595   lt_cv_deplibs_check_method=pass_all
 596   ;;
 597
 598 bsdi4*)
 599   lt_cv_deplibs_check_method=['file_magic ELF [0-9][0-9]*-bit [ML]SB (shared object|dynamic lib)']
 600   lt_cv_file_magic_cmd='/usr/bin/file -L'
 601   lt_cv_file_magic_test_file=/shlib/libc.so
 602   ;;
 603
 604 cygwin* | mingw* |pw32*)
 605   lt_cv_deplibs_check_method='file_magic file format pei*-i386(.*architecture: i386)?'
 606   lt_cv_file_magic_cmd='$OBJDUMP -f'
 607   ;;
 608
 609 darwin* | rhapsody*)
 610   # this will be overwritten by pass_all, but leave it in just in case
 611   lt_cv_deplibs_check_method='file_magic Mach-O dynamically linked shared library'
 612   lt_cv_file_magic_cmd='/usr/bin/file -L'
 613   case "$host_os" in
 614   rhapsody* | darwin1.[012])
 615     lt_cv_file_magic_test_file='/System/Library/Frameworks/System.framework/System'
 616     ;;
 617   *) # Darwin 1.3 on
 618     lt_cv_file_magic_test_file='/usr/lib/libSystem.dylib'
 619     ;;
 620   esac
 621   lt_cv_deplibs_check_method=pass_all
 622   ;;
 623
 624 freebsd* | kfreebsd*-gnu)
 625   if echo __ELF__ | $CC -E - | grep __ELF__ > /dev/null; then
 626     case $host_cpu in
 627     i*86 )
 628       # Not sure whether the presence of OpenBSD here was a mistake.
 629       # Let's accept both of them until this is cleared up.
 630       lt_cv_deplibs_check_method=['file_magic (FreeBSD|OpenBSD)/i[3-9]86 (compact )?demand paged shared library']
 631       lt_cv_file_magic_cmd=/usr/bin/file
 632       lt_cv_file_magic_test_file=`echo /usr/lib/libc.so.*`
 633       ;;
 634     esac
 635   else
 636     lt_cv_deplibs_check_method=pass_all
 637   fi
 638   ;;
 639
 640 gnu*)
 641   lt_cv_deplibs_check_method=pass_all
 642   ;;
 643
 644 hpux10.20*|hpux11*)
 645   case $host_cpu in
 646   hppa*)
 647     [lt_cv_deplibs_check_method='file_magic (s[0-9][0-9][0-9]|PA-RISC[0-9].[0-9]) shared library']
 648     lt_cv_file_magic_cmd=/usr/bin/file
 649     lt_cv_file_magic_test_file=/usr/lib/libc.sl
 650     ;;
 651   ia64*)
 652     [lt_cv_deplibs_check_method='file_magic (s[0-9][0-9][0-9]|ELF-[0-9][0-9]) shared object file - IA64']
 653     lt_cv_file_magic_cmd=/usr/bin/file
 654     lt_cv_file_magic_test_file=/usr/lib/hpux32/libc.so
 655     ;;
 656   esac
 657   ;;
 658
 659 irix5* | irix6*)
 660   case $host_os in
 661   irix5*)
 662     # this will be overridden with pass_all, but let us keep it just in case
 663     lt_cv_deplibs_check_method="file_magic ELF 32-bit MSB dynamic lib MIPS - version 1"
 664     ;;
 665   *)
 666     case $LD in
 667     *-32|*"-32 ") libmagic=32-bit;;
 668     *-n32|*"-n32 ") libmagic=N32;;
 669     *-64|*"-64 ") libmagic=64-bit;;
 670     *) libmagic=never-match;;
 671     esac
 672     # this will be overridden with pass_all, but let us keep it just in case
 673     lt_cv_deplibs_check_method=["file_magic ELF ${libmagic} MSB mips-[1234] dynamic lib MIPS - version 1"]
 674     ;;
 675   esac
 676   lt_cv_file_magic_test_file=`echo /lib${libsuff}/libc.so*`
 677   lt_cv_deplibs_check_method=pass_all
 678   ;;
 679
 680 # This must be Linux ELF.
 681 linux-gnu*)
 682   lt_cv_deplibs_check_method=pass_all
 683   ;;
 684
 685 netbsd* | knetbsd*-gnu)
 686   if echo __ELF__ | $CC -E - | grep __ELF__ > /dev/null; then
 687     [lt_cv_deplibs_check_method='match_pattern /lib[^/\.]+\.so\.[0-9]+\.[0-9]+$']
 688   else
 689     [lt_cv_deplibs_check_method='match_pattern /lib[^/\.]+\.so$']
 690   fi
 691   ;;
 692
 693 newsos6)
 694   [lt_cv_deplibs_check_method='file_magic ELF [0-9][0-9]*-bit [ML]SB (executable|dynamic lib)']
 695   lt_cv_file_magic_cmd=/usr/bin/file
 696   lt_cv_file_magic_test_file=/usr/lib/libnls.so
 697   ;;
 698
 699 osf3* | osf4* | osf5*)
 700   # this will be overridden with pass_all, but let us keep it just in case
 701   lt_cv_deplibs_check_method='file_magic COFF format alpha shared library'
 702   lt_cv_file_magic_test_file=/shlib/libc.so
 703   lt_cv_deplibs_check_method=pass_all
 704   ;;
 705
 706 sco3.2v5*)
 707   lt_cv_deplibs_check_method=pass_all
 708   ;;
 709
 710 solaris*)
 711   lt_cv_deplibs_check_method=pass_all
 712   lt_cv_file_magic_test_file=/lib/libc.so
 713   ;;
 714
 715 [sysv5uw[78]* | sysv4*uw2*)]
 716   lt_cv_deplibs_check_method=pass_all
 717   ;;
 718
 719 sysv4 | sysv4.2uw2* | sysv4.3* | sysv5*)
 720   case $host_vendor in
 721   ncr)
 722     lt_cv_deplibs_check_method=pass_all
 723     ;;
 724   motorola)
 725     lt_cv_deplibs_check_method=['file_magic ELF [0-9][0-9]*-bit [ML]SB (shared object|dynamic lib) M[0-9][0-9]* Version [0-9]']
 726     lt_cv_file_magic_test_file=`echo /usr/lib/libc.so*`
 727     ;;
 728   esac
 729   ;;
 730 esac
 731 ])
 732 file_magic_cmd=$lt_cv_file_magic_cmd
 733 deplibs_check_method=$lt_cv_deplibs_check_method
 734 ])
 735
 736
 737 # AC_PROG_NM - find the path to a BSD-compatible name lister
 738 AC_DEFUN([AC_PROG_NM],
 739 [AC_MSG_CHECKING([for BSD-compatible nm])
 740 AC_CACHE_VAL(lt_cv_path_NM,
 741 [if test -n "$NM"; then
 742   # Let the user override the test.
 743   lt_cv_path_NM="$NM"
 744 else
 745   IFS="${IFS=   }"; ac_save_ifs="$IFS"; IFS="${IFS}${PATH_SEPARATOR-:}"
 746   for ac_dir in $PATH /usr/ccs/bin /usr/ucb /bin; do
 747     test -z "$ac_dir" && ac_dir=.
 748     tmp_nm=$ac_dir/${ac_tool_prefix}nm
 749     if test -f $tmp_nm || test -f $tmp_nm$ac_exeext ; then
 750       # Check to see if the nm accepts a BSD-compat flag.
 751       # Adding the `sed 1q' prevents false positives on HP-UX, which says:
 752       #   nm: unknown option "B" ignored
 753       # Tru64's nm complains that /dev/null is an invalid object file
 754       if ($tmp_nm -B /dev/null 2>&1 | sed '1q'; exit 0) | egrep '(/dev/null|Invalid file or object type)' >/dev/null; then
 755         lt_cv_path_NM="$tmp_nm -B"
 756         break
 757       elif ($tmp_nm -p /dev/null 2>&1 | sed '1q'; exit 0) | egrep /dev/null >/dev/null; then
 758         lt_cv_path_NM="$tmp_nm -p"
 759         break
 760       else
 761         lt_cv_path_NM=${lt_cv_path_NM="$tmp_nm"} # keep the first match, but
 762         continue # so that we can try to find one that supports BSD flags
 763       fi
 764     fi
 765   done
 766   IFS="$ac_save_ifs"
 767   test -z "$lt_cv_path_NM" && lt_cv_path_NM=nm
 768 fi])
 769 NM="$lt_cv_path_NM"
 770 AC_MSG_RESULT([$NM])
 771 ])
 772
 773 # AC_CHECK_LIBM - check for math library
 774 AC_DEFUN([AC_CHECK_LIBM],
 775 [AC_REQUIRE([AC_CANONICAL_HOST])dnl
 776 LIBM=
 777 case $host in
 778 *-*-beos* | *-*-cygwin* | *-*-pw32* | *-*-darwin*)
 779   # These system don't have libm
 780   # on darwin the libm is a symbolic link to libSystem.dylib
 781   ;;
 782 *-ncr-sysv4.3*)
 783   AC_CHECK_LIB(mw, _mwvalidcheckl, LIBM="-lmw")
 784   AC_CHECK_LIB(m, main, LIBM="$LIBM -lm")
 785   ;;
 786 *)
 787   AC_CHECK_LIB(m, main, LIBM="-lm")
 788   ;;
 789 esac
 790 ])
 791
 792 # AC_LIBLTDL_CONVENIENCE[(dir)] - sets LIBLTDL to the link flags for
 793 # the libltdl convenience library and INCLTDL to the include flags for
 794 # the libltdl header and adds --enable-ltdl-convenience to the
 795 # configure arguments.  Note that LIBLTDL and INCLTDL are not
 796 # AC_SUBSTed, nor is AC_CONFIG_SUBDIRS called.  If DIR is not
 797 # provided, it is assumed to be `libltdl'.  LIBLTDL will be prefixed
 798 # with '${top_builddir}/' and INCLTDL will be prefixed with
 799 # '${top_srcdir}/' (note the single quotes!).  If your package is not
 800 # flat and you're not using automake, define top_builddir and
 801 # top_srcdir appropriately in the Makefiles.
 802 AC_DEFUN([AC_LIBLTDL_CONVENIENCE],
 803 [AC_BEFORE([$0],[AC_LIBTOOL_SETUP])dnl
 804   case $enable_ltdl_convenience in
 805   no) AC_MSG_ERROR([this package needs a convenience libltdl]) ;;
 806   "") enable_ltdl_convenience=yes
 807       ac_configure_args="$ac_configure_args --enable-ltdl-convenience" ;;
 808   esac
 809   LIBLTDL='${top_builddir}/'ifelse($#,1,[$1],['libltdl'])/libltdlc.la
 810   INCLTDL='-I${top_srcdir}/'ifelse($#,1,[$1],['libltdl'])
 811 ])
 812
 813 # AC_LIBLTDL_INSTALLABLE[(dir)] - sets LIBLTDL to the link flags for
 814 # the libltdl installable library and INCLTDL to the include flags for
 815 # the libltdl header and adds --enable-ltdl-install to the configure
 816 # arguments.  Note that LIBLTDL and INCLTDL are not AC_SUBSTed, nor is
 817 # AC_CONFIG_SUBDIRS called.  If DIR is not provided and an installed
 818 # libltdl is not found, it is assumed to be `libltdl'.  LIBLTDL will
 819 # be prefixed with '${top_builddir}/' and INCLTDL will be prefixed
 820 # with '${top_srcdir}/' (note the single quotes!).  If your package is
 821 # not flat and you're not using automake, define top_builddir and
 822 # top_srcdir appropriately in the Makefiles.
 823 # In the future, this macro may have to be called after AC_PROG_LIBTOOL.
 824 AC_DEFUN([AC_LIBLTDL_INSTALLABLE],
 825 [AC_BEFORE([$0],[AC_LIBTOOL_SETUP])dnl
 826   AC_CHECK_LIB(ltdl, main,
 827   [test x"$enable_ltdl_install" != xyes && enable_ltdl_install=no],
 828   [if test x"$enable_ltdl_install" = xno; then
 829      AC_MSG_WARN([libltdl not installed, but installation disabled])
 830    else
 831      enable_ltdl_install=yes
 832    fi
 833   ])
 834   if test x"$enable_ltdl_install" = x"yes"; then
 835     ac_configure_args="$ac_configure_args --enable-ltdl-install"
 836     LIBLTDL='${top_builddir}/'ifelse($#,1,[$1],['libltdl'])/libltdl.la
 837     INCLTDL='-I${top_srcdir}/'ifelse($#,1,[$1],['libltdl'])
 838   else
 839     ac_configure_args="$ac_configure_args --enable-ltdl-install=no"
 840     LIBLTDL="-lltdl"
 841     INCLTDL=
 842   fi
 843 ])
 844
 845 # If this macro is not defined by Autoconf, define it here.
 846 ifdef([AC_PROVIDE_IFELSE],
 847       [],
 848       [define([AC_PROVIDE_IFELSE],
 849               [ifdef([AC_PROVIDE_$1],
 850                      [$2], [$3])])])
 851
 852 # AC_LIBTOOL_CXX - enable support for C++ libraries
 853 AC_DEFUN([AC_LIBTOOL_CXX], [AC_REQUIRE([_AC_LIBTOOL_CXX])])
 854
 855 AC_DEFUN([_AC_LIBTOOL_CXX],
 856 [AC_REQUIRE([AC_PROG_CXX])
 857 AC_REQUIRE([AC_PROG_CXXCPP])
 858 LIBTOOL_DEPS=$LIBTOOL_DEPS" $ac_aux_dir/ltcf-cxx.sh"
 859 lt_save_CC="$CC"
 860 lt_save_CFLAGS="$CFLAGS"
 861 dnl Make sure LTCC is set to the C compiler, i.e. set LTCC before CC
 862 dnl is set to the C++ compiler.
 863 AR="$AR" LTCC="$CC" CC="$CXX" CXX="$CXX" CFLAGS="$CXXFLAGS" CPPFLAGS="$CPPFLAGS" \
 864 MAGIC_CMD="$MAGIC_CMD" LD="$LD" LDFLAGS="$LDFLAGS" LIBS="$LIBS" \
 865 LN_S="$LN_S" NM="$NM" RANLIB="$RANLIB" STRIP="$STRIP" \
 866 AS="$AS" DLLTOOL="$DLLTOOL" OBJDUMP="$OBJDUMP" \
 867 objext="$OBJEXT" exeext="$EXEEXT" reload_flag="$reload_flag" \
 868 deplibs_check_method="$deplibs_check_method" \
 869 file_magic_cmd="$file_magic_cmd" \
 870 ${CONFIG_SHELL-/bin/sh} $ac_aux_dir/ltconfig -o libtool $libtool_flags \
 871 --build="$build" --add-tag=CXX $ac_aux_dir/ltcf-cxx.sh $host \
 872 || AC_MSG_ERROR([libtool tag configuration failed])
 873 CC="$lt_save_CC"
 874 CFLAGS="$lt_save_CFLAGS"
 875
 876 # Redirect the config.log output again, so that the ltconfig log is not
 877 # clobbered by the next message.
 878 exec 5>>./config.log
 879 ])
 880
 881 # AC_LIBTOOL_GCJ - enable support for GCJ libraries
 882 AC_DEFUN([AC_LIBTOOL_GCJ],[AC_REQUIRE([_AC_LIBTOOL_GCJ])])
 883
 884 AC_DEFUN([_AC_LIBTOOL_GCJ],
 885 [AC_REQUIRE([AC_PROG_LIBTOOL])
 886 AC_PROVIDE_IFELSE([AC_PROG_GCJ],[],
 887   [AC_PROVIDE_IFELSE([A][M_PROG_GCJ],[],
 888     [AC_PROVIDE_IFELSE([LT_AC_PROG_GCJ],[],
 889       [ifdef([AC_PROG_GCJ],[AC_REQUIRE([AC_PROG_GCJ])],
 890          [ifdef([A][M_PROG_GCJ],[AC_REQUIRE([A][M_PROG_GCJ])],
 891            [AC_REQUIRE([A][C_PROG_GCJ_OR_A][M_PROG_GCJ])])])])])])
 892 LIBTOOL_DEPS=$LIBTOOL_DEPS" $ac_aux_dir/ltcf-gcj.sh"
 893 lt_save_CC="$CC"
 894 lt_save_CFLAGS="$CFLAGS"
 895 dnl Make sure LTCC is set to the C compiler, i.e. set LTCC before CC
 896 dnl is set to the C++ compiler.
 897 AR="$AR" LTCC="$CC" CC="$GCJ" CFLAGS="$GCJFLAGS" CPPFLAGS="$CPPFLAGS" \
 898 MAGIC_CMD="$MAGIC_CMD" LD="$LD" LDFLAGS="$LDFLAGS" LIBS="$LIBS" \
 899 LN_S="$LN_S" NM="$NM" RANLIB="$RANLIB" STRIP="$STRIP" \
 900 AS="$AS" DLLTOOL="$DLLTOOL" OBJDUMP="$OBJDUMP" \
 901 objext="$OBJEXT" exeext="$EXEEXT" reload_flag="$reload_flag" \
 902 deplibs_check_method="$deplibs_check_method" \
 903 file_magic_cmd="$file_magic_cmd" \
 904 ${CONFIG_SHELL-/bin/sh} $ac_aux_dir/ltconfig -o libtool $libtool_flags \
 905 --build="$build" --add-tag=GCJ $ac_aux_dir/ltcf-gcj.sh $host \
 906 || AC_MSG_ERROR([libtool tag configuration failed])
 907 CC="$lt_save_CC"
 908 CFLAGS="$lt_save_CFLAGS"
 909
 910 # Redirect the config.log output again, so that the ltconfig log is not
 911 # clobbered by the next message.
 912 exec 5>>./config.log
 913 ])
 914
 915 dnl old names
 916 AC_DEFUN([AM_PROG_LIBTOOL],   [AC_PROG_LIBTOOL])
 917 AC_DEFUN([AM_ENABLE_SHARED],  [AC_ENABLE_SHARED($@)])
 918 AC_DEFUN([AM_ENABLE_STATIC],  [AC_ENABLE_STATIC($@)])
 919 AC_DEFUN([AM_DISABLE_SHARED], [AC_DISABLE_SHARED($@)])
 920 AC_DEFUN([AM_DISABLE_STATIC], [AC_DISABLE_STATIC($@)])
 921 AC_DEFUN([AM_PROG_LD],        [AC_PROG_LD])
 922 AC_DEFUN([AM_PROG_NM],        [AC_PROG_NM])
 923
 924 dnl This is just to silence aclocal about the macro not being used
 925 ifelse([AC_DISABLE_FAST_INSTALL])dnl
 926
 927 AC_DEFUN([LT_AC_PROG_GCJ],
 928 [AC_CHECK_TOOL(GCJ, gcj, no)
 929   test "x${GCJFLAGS+set}" = xset || GCJFLAGS="-g -O2"
 930   AC_SUBST(GCJFLAGS)
 931 ])