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