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     case `/usr/bin/file conftest.$ac_objext` in
 148     *32-bit*)
 149       LD="${LD-ld} -32"
 150       ;;
 151     *N32*)
 152       LD="${LD-ld} -n32"
 153       ;;
 154     *64-bit*)
 155       LD="${LD-ld} -64"
 156       ;;
 157     esac
 158   fi
 159   rm -rf conftest*
 160   ;;
 161
 162 ia64-*-hpux*)
 163   # Find out which ABI we are using.
 164   echo 'int i;' > conftest.$ac_ext
 165   if AC_TRY_EVAL(ac_compile); then
 166     case "`/usr/bin/file conftest.o`" in
 167     *ELF-32*)
 168       HPUX_IA64_MODE="32"
 169       ;;
 170     *ELF-64*)
 171       HPUX_IA64_MODE="64"
 172       ;;
 173     esac
 174   fi
 175   rm -rf conftest*
 176   ;;
 177
 178 x86_64-*linux*|ppc*-*linux*|powerpc*-*linux*|s390*-*linux*|sparc*-*linux*)
 179   # Find out which ABI we are using.
 180   echo 'int i;' > conftest.$ac_ext
 181   if AC_TRY_EVAL(ac_compile); then
 182     case "`/usr/bin/file conftest.o`" in
 183     *32-bit*)
 184       case $host in
 185         x86_64-*linux*)
 186           LD="${LD-ld} -m elf_i386"
 187           ;;
 188         ppc64-*linux*)
 189           LD="${LD-ld} -m elf32ppclinux"
 190           ;;
 191         s390x-*linux*)
 192           LD="${LD-ld} -m elf_s390"
 193           ;;
 194         sparc64-*linux*)
 195           LD="${LD-ld} -m elf32_sparc"
 196           ;;
 197       esac
 198       ;;
 199     *64-bit*)
 200       case $host in
 201         x86_64-*linux*)
 202           LD="${LD-ld} -m elf_x86_64"
 203           ;;
 204         ppc*-*linux*|powerpc*-*linux*)
 205           LD="${LD-ld} -m elf64ppc"
 206           ;;
 207         s390*-*linux*)
 208           LD="${LD-ld} -m elf64_s390"
 209           ;;
 210         sparc*-*linux*)
 211           LD="${LD-ld} -m elf64_sparc"
 212           ;;
 213       esac
 214       ;;
 215     esac
 216   fi
 217   rm -rf conftest*
 218   ;;
 219
 220 *-*-sco3.2v5*)
 221   # On SCO OpenServer 5, we need -belf to get full-featured binaries.
 222   SAVE_CFLAGS="$CFLAGS"
 223   CFLAGS="$CFLAGS -belf"
 224   AC_CACHE_CHECK([whether the C compiler needs -belf], lt_cv_cc_needs_belf,
 225     [AC_LANG_SAVE
 226      AC_LANG_C
 227      AC_TRY_LINK([],[],[lt_cv_cc_needs_belf=yes],[lt_cv_cc_needs_belf=no])
 228      AC_LANG_RESTORE])
 229   if test x"$lt_cv_cc_needs_belf" != x"yes"; then
 230     # this is probably gcc 2.8.0, egcs 1.0 or newer; no need for -belf
 231     CFLAGS="$SAVE_CFLAGS"
 232   fi
 233   ;;
 234
 235 ifdef([AC_PROVIDE_AC_LIBTOOL_WIN32_DLL],
 236 [*-*-cygwin* | *-*-mingw* | *-*-pw32*)
 237   AC_CHECK_TOOL(DLLTOOL, dlltool, false)
 238   AC_CHECK_TOOL(AS, as, false)
 239   AC_CHECK_TOOL(OBJDUMP, objdump, false)
 240
 241   # recent cygwin and mingw systems supply a stub DllMain which the user
 242   # can override, but on older systems we have to supply one
 243   AC_CACHE_CHECK([if libtool should supply DllMain function], lt_cv_need_dllmain,
 244     [AC_TRY_LINK([],
 245       [extern int __attribute__((__stdcall__)) DllMain(void*, int, void*);
 246       DllMain (0, 0, 0);],
 247       [lt_cv_need_dllmain=no],[lt_cv_need_dllmain=yes])])
 248
 249   case $host/$CC in
 250   *-*-cygwin*/gcc*-mno-cygwin*|*-*-mingw*)
 251     # old mingw systems require "-dll" to link a DLL, while more recent ones
 252     # require "-mdll"
 253     SAVE_CFLAGS="$CFLAGS"
 254     CFLAGS="$CFLAGS -mdll"
 255     AC_CACHE_CHECK([how to link DLLs], lt_cv_cc_dll_switch,
 256       [AC_TRY_LINK([], [], [lt_cv_cc_dll_switch=-mdll],[lt_cv_cc_dll_switch=-dll])])
 257     CFLAGS="$SAVE_CFLAGS" ;;
 258   *-*-cygwin* | *-*-pw32*)
 259     # cygwin systems need to pass --dll to the linker, and not link
 260     # crt.o which will require a WinMain@16 definition.
 261     lt_cv_cc_dll_switch="-Wl,--dll -nostartfiles" ;;
 262   esac
 263   ;;
 264   ])
 265 esac
 266 ])
 267
 268 # AC_LIBTOOL_DLOPEN - enable checks for dlopen support
 269 AC_DEFUN([AC_LIBTOOL_DLOPEN], [AC_BEFORE([$0],[AC_LIBTOOL_SETUP])])
 270
 271 # AC_LIBTOOL_WIN32_DLL - declare package support for building win32 dll's
 272 AC_DEFUN([AC_LIBTOOL_WIN32_DLL], [AC_BEFORE([$0], [AC_LIBTOOL_SETUP])])
 273
 274 # AC_ENABLE_SHARED - implement the --enable-shared flag
 275 # Usage: AC_ENABLE_SHARED[(DEFAULT)]
 276 #   Where DEFAULT is either `yes' or `no'.  If omitted, it defaults to
 277 #   `yes'.
 278 AC_DEFUN([AC_ENABLE_SHARED],
 279 [define([AC_ENABLE_SHARED_DEFAULT], ifelse($1, no, no, yes))dnl
 280 AC_ARG_ENABLE(shared,
 281 changequote(<<, >>)dnl
 282 <<  --enable-shared[=PKGS]  build shared libraries [default=>>AC_ENABLE_SHARED_DEFAULT],
 283 changequote([, ])dnl
 284 [p=${PACKAGE-default}
 285 case $enableval in
 286 yes) enable_shared=yes ;;
 287 no) enable_shared=no ;;
 288 *)
 289   enable_shared=no
 290   # Look at the argument we got.  We use all the common list separators.
 291   IFS="${IFS=   }"; ac_save_ifs="$IFS"; IFS="${IFS}:,"
 292   for pkg in $enableval; do
 293     if test "X$pkg" = "X$p"; then
 294       enable_shared=yes
 295     fi
 296   done
 297   IFS="$ac_save_ifs"
 298   ;;
 299 esac],
 300 enable_shared=AC_ENABLE_SHARED_DEFAULT)dnl
 301 ])
 302
 303 # AC_DISABLE_SHARED - set the default shared flag to --disable-shared
 304 AC_DEFUN([AC_DISABLE_SHARED], [AC_BEFORE([$0],[AC_LIBTOOL_SETUP])dnl
 305 AC_ENABLE_SHARED(no)])
 306
 307 # AC_ENABLE_STATIC - implement the --enable-static flag
 308 # Usage: AC_ENABLE_STATIC[(DEFAULT)]
 309 #   Where DEFAULT is either `yes' or `no'.  If omitted, it defaults to
 310 #   `yes'.
 311 AC_DEFUN([AC_ENABLE_STATIC],
 312 [define([AC_ENABLE_STATIC_DEFAULT], ifelse($1, no, no, yes))dnl
 313 AC_ARG_ENABLE(static,
 314 changequote(<<, >>)dnl
 315 <<  --enable-static[=PKGS]  build static libraries [default=>>AC_ENABLE_STATIC_DEFAULT],
 316 changequote([, ])dnl
 317 [p=${PACKAGE-default}
 318 case $enableval in
 319 yes) enable_static=yes ;;
 320 no) enable_static=no ;;
 321 *)
 322   enable_static=no
 323   # Look at the argument we got.  We use all the common list separators.
 324   IFS="${IFS=   }"; ac_save_ifs="$IFS"; IFS="${IFS}:,"
 325   for pkg in $enableval; do
 326     if test "X$pkg" = "X$p"; then
 327       enable_static=yes
 328     fi
 329   done
 330   IFS="$ac_save_ifs"
 331   ;;
 332 esac],
 333 enable_static=AC_ENABLE_STATIC_DEFAULT)dnl
 334 ])
 335
 336 # AC_DISABLE_STATIC - set the default static flag to --disable-static
 337 AC_DEFUN([AC_DISABLE_STATIC],
 338 [AC_BEFORE([$0],[AC_LIBTOOL_SETUP])dnl
 339 AC_ENABLE_STATIC(no)])
 340
 341
 342 # AC_ENABLE_FAST_INSTALL - implement the --enable-fast-install flag
 343 # Usage: AC_ENABLE_FAST_INSTALL[(DEFAULT)]
 344 #   Where DEFAULT is either `yes' or `no'.  If omitted, it defaults to
 345 #   `yes'.
 346 AC_DEFUN([AC_ENABLE_FAST_INSTALL],
 347 [define([AC_ENABLE_FAST_INSTALL_DEFAULT], ifelse($1, no, no, yes))dnl
 348 AC_ARG_ENABLE(fast-install,
 349 changequote(<<, >>)dnl
 350 <<  --enable-fast-install[=PKGS]  optimize for fast installation [default=>>AC_ENABLE_FAST_INSTALL_DEFAULT],
 351 changequote([, ])dnl
 352 [p=${PACKAGE-default}
 353 case $enableval in
 354 yes) enable_fast_install=yes ;;
 355 no) enable_fast_install=no ;;
 356 *)
 357   enable_fast_install=no
 358   # Look at the argument we got.  We use all the common list separators.
 359   IFS="${IFS=   }"; ac_save_ifs="$IFS"; IFS="${IFS}:,"
 360   for pkg in $enableval; do
 361     if test "X$pkg" = "X$p"; then
 362       enable_fast_install=yes
 363     fi
 364   done
 365   IFS="$ac_save_ifs"
 366   ;;
 367 esac],
 368 enable_fast_install=AC_ENABLE_FAST_INSTALL_DEFAULT)dnl
 369 ])
 370
 371 # AC_DISABLE_FAST_INSTALL - set the default to --disable-fast-install
 372 AC_DEFUN([AC_DISABLE_FAST_INSTALL],
 373 [AC_BEFORE([$0],[AC_LIBTOOL_SETUP])dnl
 374 AC_ENABLE_FAST_INSTALL(no)])
 375
 376 # AC_LIBTOOL_PICMODE - implement the --with-pic flag
 377 # Usage: AC_LIBTOOL_PICMODE[(MODE)]
 378 #   Where MODE is either `yes' or `no'.  If omitted, it defaults to
 379 #   `both'.
 380 AC_DEFUN([AC_LIBTOOL_PICMODE],
 381 [AC_BEFORE([$0],[AC_LIBTOOL_SETUP])dnl
 382 pic_mode=ifelse($#,1,$1,default)])
 383
 384
 385 # AC_PATH_TOOL_PREFIX - find a file program which can recognise shared library
 386 AC_DEFUN([AC_PATH_TOOL_PREFIX],
 387 [AC_MSG_CHECKING([for $1])
 388 AC_CACHE_VAL(lt_cv_path_MAGIC_CMD,
 389 [case $MAGIC_CMD in
 390   /*)
 391   lt_cv_path_MAGIC_CMD="$MAGIC_CMD" # Let the user override the test with a path.
 392   ;;
 393   ?:/*)
 394   lt_cv_path_MAGIC_CMD="$MAGIC_CMD" # Let the user override the test with a dos path.
 395   ;;
 396   *)
 397   ac_save_MAGIC_CMD="$MAGIC_CMD"
 398   IFS="${IFS=   }"; ac_save_ifs="$IFS"; IFS=":"
 399 dnl $ac_dummy forces splitting on constant user-supplied paths.
 400 dnl POSIX.2 word splitting is done only on the output of word expansions,
 401 dnl not every word.  This closes a longstanding sh security hole.
 402   ac_dummy="ifelse([$2], , $PATH, [$2])"
 403   for ac_dir in $ac_dummy; do
 404     test -z "$ac_dir" && ac_dir=.
 405     if test -f $ac_dir/$1; then
 406       lt_cv_path_MAGIC_CMD="$ac_dir/$1"
 407       if test -n "$file_magic_test_file"; then
 408         case $deplibs_check_method in
 409         "file_magic "*)
 410           file_magic_regex="`expr \"$deplibs_check_method\" : \"file_magic \(.*\)\"`"
 411           MAGIC_CMD="$lt_cv_path_MAGIC_CMD"
 412           if eval $file_magic_cmd \$file_magic_test_file 2> /dev/null |
 413             egrep "$file_magic_regex" > /dev/null; then
 414             :
 415           else
 416             cat <<EOF 1>&2
 417
 418 *** Warning: the command libtool uses to detect shared libraries,
 419 *** $file_magic_cmd, produces output that libtool cannot recognize.
 420 *** The result is that libtool may fail to recognize shared libraries
 421 *** as such.  This will affect the creation of libtool libraries that
 422 *** depend on shared libraries, but programs linked with such libtool
 423 *** libraries will work regardless of this problem.  Nevertheless, you
 424 *** may want to report the problem to your system manager and/or to
 425 *** bug-libtool@gnu.org
 426
 427 EOF
 428           fi ;;
 429         esac
 430       fi
 431       break
 432     fi
 433   done
 434   IFS="$ac_save_ifs"
 435   MAGIC_CMD="$ac_save_MAGIC_CMD"
 436   ;;
 437 esac])
 438 MAGIC_CMD="$lt_cv_path_MAGIC_CMD"
 439 if test -n "$MAGIC_CMD"; then
 440   AC_MSG_RESULT($MAGIC_CMD)
 441 else
 442   AC_MSG_RESULT(no)
 443 fi
 444 ])
 445
 446
 447 # AC_PATH_MAGIC - find a file program which can recognise a shared library
 448 AC_DEFUN([AC_PATH_MAGIC],
 449 [AC_REQUIRE([AC_CHECK_TOOL_PREFIX])dnl
 450 AC_PATH_TOOL_PREFIX(${ac_tool_prefix}file, /usr/bin:$PATH)
 451 if test -z "$lt_cv_path_MAGIC_CMD"; then
 452   if test -n "$ac_tool_prefix"; then
 453     AC_PATH_TOOL_PREFIX(file, /usr/bin:$PATH)
 454   else
 455     MAGIC_CMD=:
 456   fi
 457 fi
 458 ])
 459
 460
 461 # AC_PROG_LD - find the path to the GNU or non-GNU linker
 462 AC_DEFUN([AC_PROG_LD],
 463 [AC_ARG_WITH(gnu-ld,
 464 [  --with-gnu-ld           assume the C compiler uses GNU ld [default=no]],
 465 test "$withval" = no || with_gnu_ld=yes, with_gnu_ld=no)
 466 AC_REQUIRE([AC_PROG_CC])dnl
 467 AC_REQUIRE([AC_CANONICAL_HOST])dnl
 468 AC_REQUIRE([AC_CANONICAL_BUILD])dnl
 469 ac_prog=ld
 470 if test "$GCC" = yes; then
 471   # Check if gcc -print-prog-name=ld gives a path.
 472   AC_MSG_CHECKING([for ld used by GCC])
 473   case $host in
 474   *-*-mingw*)
 475     # gcc leaves a trailing carriage return which upsets mingw
 476     ac_prog=`($CC -print-prog-name=ld) 2>&5 | tr -d '\015'` ;;
 477   *)
 478     ac_prog=`($CC -print-prog-name=ld) 2>&5` ;;
 479   esac
 480   case $ac_prog in
 481     # Accept absolute paths.
 482     [[\\/]* | [A-Za-z]:[\\/]*)]
 483       re_direlt=['/[^/][^/]*/\.\./']
 484       # Canonicalize the path of ld
 485       ac_prog=`echo $ac_prog| sed 's%\\\\%/%g'`
 486       while echo $ac_prog | grep "$re_direlt" > /dev/null 2>&1; do
 487         ac_prog=`echo $ac_prog| sed "s%$re_direlt%/%"`
 488       done
 489       test -z "$LD" && LD="$ac_prog"
 490       ;;
 491   "")
 492     # If it fails, then pretend we aren't using GCC.
 493     ac_prog=ld
 494     ;;
 495   *)
 496     # If it is relative, then search for the first ld in PATH.
 497     with_gnu_ld=unknown
 498     ;;
 499   esac
 500 elif test "$with_gnu_ld" = yes; then
 501   AC_MSG_CHECKING([for GNU ld])
 502 else
 503   AC_MSG_CHECKING([for non-GNU ld])
 504 fi
 505 AC_CACHE_VAL(lt_cv_path_LD,
 506 [if test -z "$LD"; then
 507   IFS="${IFS=   }"; ac_save_ifs="$IFS"; IFS="${IFS}${PATH_SEPARATOR-:}"
 508   for ac_dir in $PATH; do
 509     test -z "$ac_dir" && ac_dir=.
 510     if test -f "$ac_dir/$ac_prog" || test -f "$ac_dir/$ac_prog$ac_exeext"; then
 511       lt_cv_path_LD="$ac_dir/$ac_prog"
 512       # Check to see if the program is GNU ld.  I'd rather use --version,
 513       # but apparently some GNU ld's only accept -v.
 514       # Break only if it was the GNU/non-GNU ld that we prefer.
 515       if "$lt_cv_path_LD" -v 2>&1 < /dev/null | egrep '(GNU|with BFD)' > /dev/null; then
 516         test "$with_gnu_ld" != no && break
 517       else
 518         test "$with_gnu_ld" != yes && break
 519       fi
 520     fi
 521   done
 522   IFS="$ac_save_ifs"
 523 else
 524   lt_cv_path_LD="$LD" # Let the user override the test with a path.
 525 fi])
 526 LD="$lt_cv_path_LD"
 527 if test -n "$LD"; then
 528   AC_MSG_RESULT($LD)
 529 else
 530   AC_MSG_RESULT(no)
 531 fi
 532 test -z "$LD" && AC_MSG_ERROR([no acceptable ld found in \$PATH])
 533 AC_PROG_LD_GNU
 534 ])
 535
 536 AC_DEFUN([AC_PROG_LD_GNU],
 537 [AC_CACHE_CHECK([if the linker ($LD) is GNU ld], lt_cv_prog_gnu_ld,
 538 [# I'd rather use --version here, but apparently some GNU ld's only accept -v.
 539 if $LD -v 2>&1 </dev/null | egrep '(GNU|with BFD)' 1>&5; then
 540   lt_cv_prog_gnu_ld=yes
 541 else
 542   lt_cv_prog_gnu_ld=no
 543 fi])
 544 with_gnu_ld=$lt_cv_prog_gnu_ld
 545 ])
 546
 547 # AC_PROG_LD_RELOAD_FLAG - find reload flag for linker
 548 #   -- PORTME Some linkers may need a different reload flag.
 549 AC_DEFUN([AC_PROG_LD_RELOAD_FLAG],
 550 [AC_CACHE_CHECK([for $LD option to reload object files], lt_cv_ld_reload_flag,
 551 [lt_cv_ld_reload_flag='-r'])
 552 reload_flag=$lt_cv_ld_reload_flag
 553 test -n "$reload_flag" && reload_flag=" $reload_flag"
 554 ])
 555
 556 # AC_DEPLIBS_CHECK_METHOD - how to check for library dependencies
 557 #  -- PORTME fill in with the dynamic library characteristics
 558 AC_DEFUN([AC_DEPLIBS_CHECK_METHOD],
 559 [AC_CACHE_CHECK([how to recognise dependant libraries],
 560 lt_cv_deplibs_check_method,
 561 [lt_cv_file_magic_cmd='$MAGIC_CMD'
 562 lt_cv_file_magic_test_file=
 563 lt_cv_deplibs_check_method='unknown'
 564 # Need to set the preceding variable on all platforms that support
 565 # interlibrary dependencies.
 566 # 'none' -- dependencies not supported.
 567 # `unknown' -- same as none, but documents that we really don't know.
 568 # 'pass_all' -- all dependencies passed with no checks.
 569 # 'test_compile' -- check by making test program.
 570 # 'file_magic [regex]' -- check by looking for files in library path
 571 # which responds to the $file_magic_cmd with a given egrep regex.
 572 # If you have `file' or equivalent on your system and you're not sure
 573 # whether `pass_all' will *always* work, you probably want this one.
 574
 575 case $host_os in
 576 aix*)
 577   lt_cv_deplibs_check_method=pass_all
 578   ;;
 579
 580 beos*)
 581   lt_cv_deplibs_check_method=pass_all
 582   ;;
 583
 584 bsdi4*)
 585   lt_cv_deplibs_check_method=['file_magic ELF [0-9][0-9]*-bit [ML]SB (shared object|dynamic lib)']
 586   lt_cv_file_magic_cmd='/usr/bin/file -L'
 587   lt_cv_file_magic_test_file=/shlib/libc.so
 588   ;;
 589
 590 cygwin* | mingw* |pw32*)
 591   lt_cv_deplibs_check_method='file_magic file format pei*-i386(.*architecture: i386)?'
 592   lt_cv_file_magic_cmd='$OBJDUMP -f'
 593   ;;
 594
 595 darwin* | rhapsody*)
 596   lt_cv_deplibs_check_method='file_magic Mach-O dynamically linked shared library'
 597   lt_cv_file_magic_cmd='/usr/bin/file -L'
 598   case "$host_os" in
 599   rhapsody* | darwin1.[012])
 600     lt_cv_file_magic_test_file='/System/Library/Frameworks/System.framework/System'
 601     ;;
 602   *) # Darwin 1.3 on
 603     lt_cv_file_magic_test_file='/usr/lib/libSystem.dylib'
 604     ;;
 605   esac
 606   ;;
 607
 608 freebsd* )
 609   if echo __ELF__ | $CC -E - | grep __ELF__ > /dev/null; then
 610     case $host_cpu in
 611     i*86 )
 612       # Not sure whether the presence of OpenBSD here was a mistake.
 613       # Let's accept both of them until this is cleared up.
 614       lt_cv_deplibs_check_method=['file_magic (FreeBSD|OpenBSD)/i[3-9]86 (compact )?demand paged shared library']
 615       lt_cv_file_magic_cmd=/usr/bin/file
 616       lt_cv_file_magic_test_file=`echo /usr/lib/libc.so.*`
 617       ;;
 618     esac
 619   else
 620     lt_cv_deplibs_check_method=pass_all
 621   fi
 622   ;;
 623
 624 gnu*)
 625   lt_cv_deplibs_check_method=pass_all
 626   ;;
 627
 628 hpux10.20*|hpux11*)
 629   case $host_cpu in
 630   hppa*)
 631     [lt_cv_deplibs_check_method='file_magic (s[0-9][0-9][0-9]|PA-RISC[0-9].[0-9]) shared library']
 632     lt_cv_file_magic_cmd=/usr/bin/file
 633     lt_cv_file_magic_test_file=/usr/lib/libc.sl
 634     ;;
 635   ia64*)
 636     [lt_cv_deplibs_check_method='file_magic (s[0-9][0-9][0-9]|ELF-[0-9][0-9]) shared object file - IA64']
 637     lt_cv_file_magic_cmd=/usr/bin/file
 638     lt_cv_file_magic_test_file=/usr/lib/hpux32/libc.so
 639     ;;
 640   esac
 641   ;;
 642
 643 irix5* | irix6*)
 644   case $host_os in
 645   irix5*)
 646     # this will be overridden with pass_all, but let us keep it just in case
 647     lt_cv_deplibs_check_method="file_magic ELF 32-bit MSB dynamic lib MIPS - version 1"
 648     ;;
 649   *)
 650     case $LD in
 651     *-32|*"-32 ") libmagic=32-bit;;
 652     *-n32|*"-n32 ") libmagic=N32;;
 653     *-64|*"-64 ") libmagic=64-bit;;
 654     *) libmagic=never-match;;
 655     esac
 656     # this will be overridden with pass_all, but let us keep it just in case
 657     lt_cv_deplibs_check_method=["file_magic ELF ${libmagic} MSB mips-[1234] dynamic lib MIPS - version 1"]
 658     ;;
 659   esac
 660   lt_cv_file_magic_test_file=`echo /lib${libsuff}/libc.so*`
 661   lt_cv_deplibs_check_method=pass_all
 662   ;;
 663
 664 # This must be Linux ELF.
 665 linux-gnu*)
 666   case $host_cpu in
 667   alpha* | hppa* | i*86 | powerpc* | sparc* | ia64* )
 668     lt_cv_deplibs_check_method=pass_all ;;
 669   *)
 670     # glibc up to 2.1.1 does not perform some relocations on ARM
 671     lt_cv_deplibs_check_method=['file_magic ELF [0-9][0-9]*-bit [LM]SB (shared object|dynamic lib )'] ;;
 672   esac
 673   lt_cv_file_magic_test_file=`echo /lib/libc.so* /lib/libc-*.so`
 674   ;;
 675
 676 netbsd*)
 677   if echo __ELF__ | $CC -E - | grep __ELF__ > /dev/null; then
 678     [lt_cv_deplibs_check_method='match_pattern /lib[^/\.]+\.so\.[0-9]+\.[0-9]+$']
 679   else
 680     [lt_cv_deplibs_check_method='match_pattern /lib[^/\.]+\.so$']
 681   fi
 682   ;;
 683
 684 newsos6)
 685   [lt_cv_deplibs_check_method='file_magic ELF [0-9][0-9]*-bit [ML]SB (executable|dynamic lib)']
 686   lt_cv_file_magic_cmd=/usr/bin/file
 687   lt_cv_file_magic_test_file=/usr/lib/libnls.so
 688   ;;
 689
 690 osf3* | osf4* | osf5*)
 691   # this will be overridden with pass_all, but let us keep it just in case
 692   lt_cv_deplibs_check_method='file_magic COFF format alpha shared library'
 693   lt_cv_file_magic_test_file=/shlib/libc.so
 694   lt_cv_deplibs_check_method=pass_all
 695   ;;
 696
 697 sco3.2v5*)
 698   lt_cv_deplibs_check_method=pass_all
 699   ;;
 700
 701 solaris*)
 702   lt_cv_deplibs_check_method=pass_all
 703   lt_cv_file_magic_test_file=/lib/libc.so
 704   ;;
 705
 706 [sysv5uw[78]* | sysv4*uw2*)]
 707   lt_cv_deplibs_check_method=pass_all
 708   ;;
 709
 710 sysv4 | sysv4.2uw2* | sysv4.3* | sysv5*)
 711   case $host_vendor in
 712   ncr)
 713     lt_cv_deplibs_check_method=pass_all
 714     ;;
 715   motorola)
 716     lt_cv_deplibs_check_method=['file_magic ELF [0-9][0-9]*-bit [ML]SB (shared object|dynamic lib) M[0-9][0-9]* Version [0-9]']
 717     lt_cv_file_magic_test_file=`echo /usr/lib/libc.so*`
 718     ;;
 719   esac
 720   ;;
 721 esac
 722 ])
 723 file_magic_cmd=$lt_cv_file_magic_cmd
 724 deplibs_check_method=$lt_cv_deplibs_check_method
 725 ])
 726
 727
 728 # AC_PROG_NM - find the path to a BSD-compatible name lister
 729 AC_DEFUN([AC_PROG_NM],
 730 [AC_MSG_CHECKING([for BSD-compatible nm])
 731 AC_CACHE_VAL(lt_cv_path_NM,
 732 [if test -n "$NM"; then
 733   # Let the user override the test.
 734   lt_cv_path_NM="$NM"
 735 else
 736   IFS="${IFS=   }"; ac_save_ifs="$IFS"; IFS="${IFS}${PATH_SEPARATOR-:}"
 737   for ac_dir in $PATH /usr/ccs/bin /usr/ucb /bin; do
 738     test -z "$ac_dir" && ac_dir=.
 739     tmp_nm=$ac_dir/${ac_tool_prefix}nm
 740     if test -f $tmp_nm || test -f $tmp_nm$ac_exeext ; then
 741       # Check to see if the nm accepts a BSD-compat flag.
 742       # Adding the `sed 1q' prevents false positives on HP-UX, which says:
 743       #   nm: unknown option "B" ignored
 744       # Tru64's nm complains that /dev/null is an invalid object file
 745       if ($tmp_nm -B /dev/null 2>&1 | sed '1q'; exit 0) | egrep '(/dev/null|Invalid file or object type)' >/dev/null; then
 746         lt_cv_path_NM="$tmp_nm -B"
 747         break
 748       elif ($tmp_nm -p /dev/null 2>&1 | sed '1q'; exit 0) | egrep /dev/null >/dev/null; then
 749         lt_cv_path_NM="$tmp_nm -p"
 750         break
 751       else
 752         lt_cv_path_NM=${lt_cv_path_NM="$tmp_nm"} # keep the first match, but
 753         continue # so that we can try to find one that supports BSD flags
 754       fi
 755     fi
 756   done
 757   IFS="$ac_save_ifs"
 758   test -z "$lt_cv_path_NM" && lt_cv_path_NM=nm
 759 fi])
 760 NM="$lt_cv_path_NM"
 761 AC_MSG_RESULT([$NM])
 762 ])
 763
 764 # AC_CHECK_LIBM - check for math library
 765 AC_DEFUN([AC_CHECK_LIBM],
 766 [AC_REQUIRE([AC_CANONICAL_HOST])dnl
 767 LIBM=
 768 case $host in
 769 *-*-beos* | *-*-cygwin* | *-*-pw32*)
 770   # These system don't have libm
 771   ;;
 772 *-ncr-sysv4.3*)
 773   AC_CHECK_LIB(mw, _mwvalidcheckl, LIBM="-lmw")
 774   AC_CHECK_LIB(m, main, LIBM="$LIBM -lm")
 775   ;;
 776 *)
 777   AC_CHECK_LIB(m, main, LIBM="-lm")
 778   ;;
 779 esac
 780 ])
 781
 782 # AC_LIBLTDL_CONVENIENCE[(dir)] - sets LIBLTDL to the link flags for
 783 # the libltdl convenience library and INCLTDL to the include flags for
 784 # the libltdl header and adds --enable-ltdl-convenience to the
 785 # configure arguments.  Note that LIBLTDL and INCLTDL are not
 786 # AC_SUBSTed, nor is AC_CONFIG_SUBDIRS called.  If DIR is not
 787 # provided, it is assumed to be `libltdl'.  LIBLTDL will be prefixed
 788 # with '${top_builddir}/' and INCLTDL will be prefixed with
 789 # '${top_srcdir}/' (note the single quotes!).  If your package is not
 790 # flat and you're not using automake, define top_builddir and
 791 # top_srcdir appropriately in the Makefiles.
 792 AC_DEFUN([AC_LIBLTDL_CONVENIENCE],
 793 [AC_BEFORE([$0],[AC_LIBTOOL_SETUP])dnl
 794   case $enable_ltdl_convenience in
 795   no) AC_MSG_ERROR([this package needs a convenience libltdl]) ;;
 796   "") enable_ltdl_convenience=yes
 797       ac_configure_args="$ac_configure_args --enable-ltdl-convenience" ;;
 798   esac
 799   LIBLTDL='${top_builddir}/'ifelse($#,1,[$1],['libltdl'])/libltdlc.la
 800   INCLTDL='-I${top_srcdir}/'ifelse($#,1,[$1],['libltdl'])
 801 ])
 802
 803 # AC_LIBLTDL_INSTALLABLE[(dir)] - sets LIBLTDL to the link flags for
 804 # the libltdl installable library and INCLTDL to the include flags for
 805 # the libltdl header and adds --enable-ltdl-install to the configure
 806 # arguments.  Note that LIBLTDL and INCLTDL are not AC_SUBSTed, nor is
 807 # AC_CONFIG_SUBDIRS called.  If DIR is not provided and an installed
 808 # libltdl is not found, it is assumed to be `libltdl'.  LIBLTDL will
 809 # be prefixed with '${top_builddir}/' and INCLTDL will be prefixed
 810 # with '${top_srcdir}/' (note the single quotes!).  If your package is
 811 # not flat and you're not using automake, define top_builddir and
 812 # top_srcdir appropriately in the Makefiles.
 813 # In the future, this macro may have to be called after AC_PROG_LIBTOOL.
 814 AC_DEFUN([AC_LIBLTDL_INSTALLABLE],
 815 [AC_BEFORE([$0],[AC_LIBTOOL_SETUP])dnl
 816   AC_CHECK_LIB(ltdl, main,
 817   [test x"$enable_ltdl_install" != xyes && enable_ltdl_install=no],
 818   [if test x"$enable_ltdl_install" = xno; then
 819      AC_MSG_WARN([libltdl not installed, but installation disabled])
 820    else
 821      enable_ltdl_install=yes
 822    fi
 823   ])
 824   if test x"$enable_ltdl_install" = x"yes"; then
 825     ac_configure_args="$ac_configure_args --enable-ltdl-install"
 826     LIBLTDL='${top_builddir}/'ifelse($#,1,[$1],['libltdl'])/libltdl.la
 827     INCLTDL='-I${top_srcdir}/'ifelse($#,1,[$1],['libltdl'])
 828   else
 829     ac_configure_args="$ac_configure_args --enable-ltdl-install=no"
 830     LIBLTDL="-lltdl"
 831     INCLTDL=
 832   fi
 833 ])
 834
 835 # If this macro is not defined by Autoconf, define it here.
 836 ifdef([AC_PROVIDE_IFELSE],
 837       [],
 838       [define([AC_PROVIDE_IFELSE],
 839               [ifdef([AC_PROVIDE_$1],
 840                      [$2], [$3])])])
 841
 842 # AC_LIBTOOL_CXX - enable support for C++ libraries
 843 AC_DEFUN([AC_LIBTOOL_CXX], [AC_REQUIRE([_AC_LIBTOOL_CXX])])
 844
 845 AC_DEFUN([_AC_LIBTOOL_CXX],
 846 [AC_REQUIRE([AC_PROG_CXX])
 847 AC_REQUIRE([AC_PROG_CXXCPP])
 848 LIBTOOL_DEPS=$LIBTOOL_DEPS" $ac_aux_dir/ltcf-cxx.sh"
 849 lt_save_CC="$CC"
 850 lt_save_CFLAGS="$CFLAGS"
 851 dnl Make sure LTCC is set to the C compiler, i.e. set LTCC before CC
 852 dnl is set to the C++ compiler.
 853 AR="$AR" LTCC="$CC" CC="$CXX" CXX="$CXX" CFLAGS="$CXXFLAGS" CPPFLAGS="$CPPFLAGS" \
 854 MAGIC_CMD="$MAGIC_CMD" LD="$LD" LDFLAGS="$LDFLAGS" LIBS="$LIBS" \
 855 LN_S="$LN_S" NM="$NM" RANLIB="$RANLIB" STRIP="$STRIP" \
 856 AS="$AS" DLLTOOL="$DLLTOOL" OBJDUMP="$OBJDUMP" \
 857 objext="$OBJEXT" exeext="$EXEEXT" reload_flag="$reload_flag" \
 858 deplibs_check_method="$deplibs_check_method" \
 859 file_magic_cmd="$file_magic_cmd" \
 860 ${CONFIG_SHELL-/bin/sh} $ac_aux_dir/ltconfig -o libtool $libtool_flags \
 861 --build="$build" --add-tag=CXX $ac_aux_dir/ltcf-cxx.sh $host \
 862 || AC_MSG_ERROR([libtool tag configuration failed])
 863 CC="$lt_save_CC"
 864 CFLAGS="$lt_save_CFLAGS"
 865
 866 # Redirect the config.log output again, so that the ltconfig log is not
 867 # clobbered by the next message.
 868 exec 5>>./config.log
 869 ])
 870
 871 # AC_LIBTOOL_GCJ - enable support for GCJ libraries
 872 AC_DEFUN([AC_LIBTOOL_GCJ],[AC_REQUIRE([_AC_LIBTOOL_GCJ])])
 873
 874 AC_DEFUN([_AC_LIBTOOL_GCJ],
 875 [AC_REQUIRE([AC_PROG_LIBTOOL])
 876 AC_PROVIDE_IFELSE([AC_PROG_GCJ],[],
 877   [AC_PROVIDE_IFELSE([A][M_PROG_GCJ],[],
 878     [AC_PROVIDE_IFELSE([LT_AC_PROG_GCJ],[],
 879       [ifdef([AC_PROG_GCJ],[AC_REQUIRE([AC_PROG_GCJ])],
 880          [ifdef([A][M_PROG_GCJ],[AC_REQUIRE([A][M_PROG_GCJ])],
 881            [AC_REQUIRE([A][C_PROG_GCJ_OR_A][M_PROG_GCJ])])])])])])
 882 LIBTOOL_DEPS=$LIBTOOL_DEPS" $ac_aux_dir/ltcf-gcj.sh"
 883 lt_save_CC="$CC"
 884 lt_save_CFLAGS="$CFLAGS"
 885 dnl Make sure LTCC is set to the C compiler, i.e. set LTCC before CC
 886 dnl is set to the C++ compiler.
 887 AR="$AR" LTCC="$CC" CC="$GCJ" CFLAGS="$GCJFLAGS" CPPFLAGS="$CPPFLAGS" \
 888 MAGIC_CMD="$MAGIC_CMD" LD="$LD" LDFLAGS="$LDFLAGS" LIBS="$LIBS" \
 889 LN_S="$LN_S" NM="$NM" RANLIB="$RANLIB" STRIP="$STRIP" \
 890 AS="$AS" DLLTOOL="$DLLTOOL" OBJDUMP="$OBJDUMP" \
 891 objext="$OBJEXT" exeext="$EXEEXT" reload_flag="$reload_flag" \
 892 deplibs_check_method="$deplibs_check_method" \
 893 file_magic_cmd="$file_magic_cmd" \
 894 ${CONFIG_SHELL-/bin/sh} $ac_aux_dir/ltconfig -o libtool $libtool_flags \
 895 --build="$build" --add-tag=GCJ $ac_aux_dir/ltcf-gcj.sh $host \
 896 || AC_MSG_ERROR([libtool tag configuration failed])
 897 CC="$lt_save_CC"
 898 CFLAGS="$lt_save_CFLAGS"
 899
 900 # Redirect the config.log output again, so that the ltconfig log is not
 901 # clobbered by the next message.
 902 exec 5>>./config.log
 903 ])
 904
 905 dnl old names
 906 AC_DEFUN([AM_PROG_LIBTOOL],   [AC_PROG_LIBTOOL])
 907 AC_DEFUN([AM_ENABLE_SHARED],  [AC_ENABLE_SHARED($@)])
 908 AC_DEFUN([AM_ENABLE_STATIC],  [AC_ENABLE_STATIC($@)])
 909 AC_DEFUN([AM_DISABLE_SHARED], [AC_DISABLE_SHARED($@)])
 910 AC_DEFUN([AM_DISABLE_STATIC], [AC_DISABLE_STATIC($@)])
 911 AC_DEFUN([AM_PROG_LD],        [AC_PROG_LD])
 912 AC_DEFUN([AM_PROG_NM],        [AC_PROG_NM])
 913
 914 dnl This is just to silence aclocal about the macro not being used
 915 ifelse([AC_DISABLE_FAST_INSTALL])dnl
 916
 917 AC_DEFUN([LT_AC_PROG_GCJ],
 918 [AC_CHECK_TOOL(GCJ, gcj, no)
 919   test "x${GCJFLAGS+set}" = xset || GCJFLAGS="-g -O2"
 920   AC_SUBST(GCJFLAGS)
 921 ])