libtool.m4

   1 ## libtool.m4 - Configure libtool for the host system. -*-Shell-script-*-
   2 ## Copyright (C) 1996-1999,2000 Free Software Foundation, Inc.
   3 ## Originally by Gordon Matzigkeit <gord@gnu.ai.mit.edu>, 1996
   4 ##
   5 ## This program is free software; you can redistribute it and/or modify
   6 ## it under the terms of the GNU General Public License as published by
   7 ## the Free Software Foundation; either version 2 of the License, or
   8 ## (at your option) any later version.
   9 ##
  10 ## This program is distributed in the hope that it will be useful, but
  11 ## WITHOUT ANY WARRANTY; without even the implied warranty of
  12 ## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  13 ## General Public License for more details.
  14 ##
  15 ## You should have received a copy of the GNU General Public License
  16 ## along with this program; if not, write to the Free Software
  17 ## Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
  18 ##
  19 ## As a special exception to the GNU General Public License, if you
  20 ## distribute this file as part of a program that contains a
  21 ## configuration script generated by Autoconf, you may include it under
  22 ## the same distribution terms that you use for the rest of that program.
  23
  24 # serial 45 AC_PROG_LIBTOOL
  25 AC_DEFUN(AC_PROG_LIBTOOL,[AC_REQUIRE([_AC_PROG_LIBTOOL])
  26 dnl If AC_PROG_CXX has already been expanded, run AC_LIBTOOL_CXX
  27 dnl immediately, otherwise, hook it in at the end of AC_PROG_CXX.
  28   AC_PROVIDE_IFELSE([AC_PROG_CXX],
  29     [AC_LIBTOOL_CXX],
  30     [define([AC_PROG_CXX], defn([AC_PROG_CXX])[AC_LIBTOOL_CXX
  31 ])])
  32
  33 dnl Quote A][M_PROG_GCJ so that aclocal doesn't bring it in needlessly.
  34 dnl If either AC_PROG_GCJ or A][M_PROG_GCJ have already been expanded, run
  35 dnl AC_LIBTOOL_GCJ immediately, otherwise, hook it in at the end of both.
  36   AC_PROVIDE_IFELSE([AC_PROG_GCJ],
  37     [AC_LIBTOOL_GCJ],
  38     [AC_PROVIDE_IFELSE([A][M_PROG_GCJ],
  39         [AC_LIBTOOL_GCJ],
  40         [ifdef([AC_PROG_GCJ],
  41                [define([AC_PROG_GCJ], defn([AC_PROG_GCJ])[AC_LIBTOOL_GCJ
  42 ])])
  43          ifdef([A][M_PROG_GCJ],
  44                [define([A][M_PROG_GCJ], defn([A][M_PROG_GCJ])[AC_LIBTOOL_GCJ
  45 ])])])])])
  46
  47 AC_DEFUN(_AC_PROG_LIBTOOL,
  48 [AC_REQUIRE([AC_LIBTOOL_SETUP])dnl
  49 AC_BEFORE([$0],[AC_LIBTOOL_CXX])dnl
  50 AC_BEFORE([$0],[AC_LIBTOOL_GCJ])dnl
  51
  52 # Save cache, so that ltconfig can load it
  53 AC_CACHE_SAVE
  54
  55 # Actually configure libtool.  ac_aux_dir is where install-sh is found.
  56 AR="$AR" LTCC="$CC" CC="$CC" CFLAGS="$CFLAGS" CPPFLAGS="$CPPFLAGS" \
  57 MAGIC="$MAGIC" LD="$LD" LDFLAGS="$LDFLAGS" LIBS="$LIBS" \
  58 LN_S="$LN_S" NM="$NM" RANLIB="$RANLIB" STRIP="$STRIP" \
  59 AS="$AS" DLLTOOL="$DLLTOOL" OBJDUMP="$OBJDUMP" \
  60 objext="$OBJEXT" exeext="$EXEEXT" reload_flag="$reload_flag" \
  61 deplibs_check_method="$deplibs_check_method" file_magic_cmd="$file_magic_cmd" \
  62 ${CONFIG_SHELL-/bin/sh} $ac_aux_dir/ltconfig --no-reexec \
  63 $libtool_flags --no-verify --build="$build" $ac_aux_dir/ltmain.sh $host \
  64 || AC_MSG_ERROR([libtool configure failed])
  65
  66 # Reload cache, that may have been modified by ltconfig
  67 AC_CACHE_LOAD
  68
  69 # This can be used to rebuild libtool when needed
  70 LIBTOOL_DEPS="$ac_aux_dir/ltconfig $ac_aux_dir/ltmain.sh $ac_aux_dir/ltcf-c.sh"
  71
  72 # Always use our own libtool.
  73 LIBTOOL='$(SHELL) $(top_builddir)/libtool'
  74 AC_SUBST(LIBTOOL)dnl
  75
  76 # Redirect the config.log output again, so that the ltconfig log is not
  77 # clobbered by the next message.
  78 exec 5>>./config.log
  79 ])
  80
  81 AC_DEFUN(AC_LIBTOOL_SETUP,
  82 [AC_PREREQ(2.13)dnl
  83 AC_REQUIRE([AC_ENABLE_SHARED])dnl
  84 AC_REQUIRE([AC_ENABLE_STATIC])dnl
  85 AC_REQUIRE([AC_ENABLE_FAST_INSTALL])dnl
  86 AC_REQUIRE([AC_CANONICAL_HOST])dnl
  87 AC_REQUIRE([AC_CANONICAL_BUILD])dnl
  88 AC_REQUIRE([AC_PROG_CC])dnl
  89 AC_REQUIRE([AC_PROG_LD])dnl
  90 AC_REQUIRE([AC_PROG_LD_RELOAD_FLAG])dnl
  91 AC_REQUIRE([AC_PROG_NM])dnl
  92 AC_REQUIRE([AC_PROG_LN_S])dnl
  93 AC_REQUIRE([AC_DEPLIBS_CHECK_METHOD])dnl
  94 # Autoconf 2.13's AC_OBJEXT and AC_EXEEXT macros only works for C compilers!
  95 AC_REQUIRE([AC_OBJEXT])dnl
  96 AC_REQUIRE([AC_EXEEXT])dnl
  97 dnl
  98
  99 # Only perform the check for file, if the check method requires it
 100 case "$deplibs_check_method" in
 101 file_magic*)
 102   if test "$file_magic_cmd" = '${MAGIC}'; then
 103     AC_PATH_MAGIC
 104   fi
 105   ;;
 106 esac
 107
 108 AC_CHECK_TOOL(RANLIB, ranlib, :)
 109 AC_CHECK_TOOL(STRIP, strip, :)
 110
 111 # Check for any special flags to pass to ltconfig.
 112 libtool_flags="--cache-file=$cache_file"
 113 test "$enable_shared" = no && libtool_flags="$libtool_flags --disable-shared"
 114 test "$enable_static" = no && libtool_flags="$libtool_flags --disable-static"
 115 test "$enable_fast_install" = no && libtool_flags="$libtool_flags --disable-fast-install"
 116 test "$ac_cv_prog_gcc" = yes && libtool_flags="$libtool_flags --with-gcc"
 117 test "$ac_cv_prog_gnu_ld" = yes && libtool_flags="$libtool_flags --with-gnu-ld"
 118 ifdef([AC_PROVIDE_AC_LIBTOOL_DLOPEN],
 119 [libtool_flags="$libtool_flags --enable-dlopen"])
 120 ifdef([AC_PROVIDE_AC_LIBTOOL_WIN32_DLL],
 121 [libtool_flags="$libtool_flags --enable-win32-dll"])
 122 AC_ARG_ENABLE(libtool-lock,
 123   [  --disable-libtool-lock  avoid locking (might break parallel builds)])
 124 test "x$enable_libtool_lock" = xno && libtool_flags="$libtool_flags --disable-lock"
 125 test x"$silent" = xyes && libtool_flags="$libtool_flags --silent"
 126
 127 AC_ARG_WITH(pic,
 128   [  --with-pic              try to use only PIC/non-PIC objects [default=use both]],
 129      pic_mode="$withval", pic_mode=default)
 130 test x"$pic_mode" = xyes && libtool_flags="$libtool_flags --prefer-pic"
 131 test x"$pic_mode" = xno && libtool_flags="$libtool_flags --prefer-non-pic"
 132
 133 # Some flags need to be propagated to the compiler or linker for good
 134 # libtool support.
 135 case "$host" in
 136 *-*-irix6*)
 137   # Find out which ABI we are using.
 138   echo '[#]line __oline__ "configure"' > conftest.$ac_ext
 139   if AC_TRY_EVAL(ac_compile); then
 140     case "`/usr/bin/file conftest.o`" in
 141     *32-bit*)
 142       LD="${LD-ld} -32"
 143       ;;
 144     *N32*)
 145       LD="${LD-ld} -n32"
 146       ;;
 147     *64-bit*)
 148       LD="${LD-ld} -64"
 149       ;;
 150     esac
 151   fi
 152   rm -rf conftest*
 153   ;;
 154
 155 *-*-sco3.2v5*)
 156   # On SCO OpenServer 5, we need -belf to get full-featured binaries.
 157   SAVE_CFLAGS="$CFLAGS"
 158   CFLAGS="$CFLAGS -belf"
 159   AC_CACHE_CHECK([whether the C compiler needs -belf], lt_cv_cc_needs_belf,
 160     [AC_LANG_SAVE
 161      AC_LANG_C
 162      AC_TRY_LINK([],[],[lt_cv_cc_needs_belf=yes],[lt_cv_cc_needs_belf=no])
 163      AC_LANG_RESTORE])
 164   if test x"$lt_cv_cc_needs_belf" != x"yes"; then
 165     # this is probably gcc 2.8.0, egcs 1.0 or newer; no need for -belf
 166     CFLAGS="$SAVE_CFLAGS"
 167   fi
 168   ;;
 169
 170 ifdef([AC_PROVIDE_AC_LIBTOOL_WIN32_DLL],
 171 [*-*-cygwin* | *-*-mingw*)
 172   AC_CHECK_TOOL(DLLTOOL, dlltool, false)
 173   AC_CHECK_TOOL(AS, as, false)
 174   AC_CHECK_TOOL(OBJDUMP, objdump, false)
 175
 176   # recent cygwin and mingw systems supply a stub DllMain which the user
 177   # can override, but on older systems we have to supply one
 178   AC_CACHE_CHECK([if libtool should supply DllMain function], lt_cv_need_dllmain,
 179     [AC_TRY_LINK([],
 180       [extern int __attribute__((__stdcall__)) DllMain(void*, int, void*);
 181       DllMain (0, 0, 0);],
 182       [lt_cv_need_dllmain=no],[lt_cv_need_dllmain=yes])])
 183
 184   case "$host/$CC" in
 185   *-*-cygwin*/gcc*-mno-cygwin*|*-*-mingw*)
 186     # old mingw systems require "-dll" to link a DLL, while more recent ones
 187     # require "-mdll"
 188     SAVE_CFLAGS="$CFLAGS"
 189     CFLAGS="$CFLAGS -mdll"
 190     AC_CACHE_CHECK([how to link DLLs], lt_cv_cc_dll_switch,
 191       [AC_TRY_LINK([], [], [lt_cv_cc_dll_switch=-mdll],[lt_cv_cc_dll_switch=-dll])])
 192     CFLAGS="$SAVE_CFLAGS" ;;
 193   *-*-cygwin*)
 194     # cygwin systems need to pass --dll to the linker, and not link
 195     # crt.o which will require a WinMain@16 definition.
 196     lt_cv_cc_dll_switch="-Wl,--dll -nostartfiles" ;;
 197   esac
 198   ;;
 199   ])
 200 esac
 201 ])
 202
 203 # AC_LIBTOOL_DLOPEN - enable checks for dlopen support
 204 AC_DEFUN(AC_LIBTOOL_DLOPEN, [AC_BEFORE([$0],[AC_LIBTOOL_SETUP])])
 205
 206 # AC_LIBTOOL_WIN32_DLL - declare package support for building win32 dll's
 207 AC_DEFUN(AC_LIBTOOL_WIN32_DLL, [AC_BEFORE([$0], [AC_LIBTOOL_SETUP])])
 208
 209 # AC_ENABLE_SHARED - implement the --enable-shared flag
 210 # Usage: AC_ENABLE_SHARED[(DEFAULT)]
 211 #   Where DEFAULT is either `yes' or `no'.  If omitted, it defaults to
 212 #   `yes'.
 213 AC_DEFUN(AC_ENABLE_SHARED, [dnl
 214 define([AC_ENABLE_SHARED_DEFAULT], ifelse($1, no, no, yes))dnl
 215 AC_ARG_ENABLE(shared,
 216 changequote(<<, >>)dnl
 217 <<  --enable-shared[=PKGS]  build shared libraries [default=>>AC_ENABLE_SHARED_DEFAULT],
 218 changequote([, ])dnl
 219 [p=${PACKAGE-default}
 220 case "$enableval" in
 221 yes) enable_shared=yes ;;
 222 no) enable_shared=no ;;
 223 *)
 224   enable_shared=no
 225   # Look at the argument we got.  We use all the common list separators.
 226   IFS="${IFS=   }"; ac_save_ifs="$IFS"; IFS="${IFS}:,"
 227   for pkg in $enableval; do
 228     if test "X$pkg" = "X$p"; then
 229       enable_shared=yes
 230     fi
 231   done
 232   IFS="$ac_save_ifs"
 233   ;;
 234 esac],
 235 enable_shared=AC_ENABLE_SHARED_DEFAULT)dnl
 236 ])
 237
 238 # AC_DISABLE_SHARED - set the default shared flag to --disable-shared
 239 AC_DEFUN(AC_DISABLE_SHARED, [AC_BEFORE([$0],[AC_LIBTOOL_SETUP])dnl
 240 AC_ENABLE_SHARED(no)])
 241
 242 # AC_ENABLE_STATIC - implement the --enable-static flag
 243 # Usage: AC_ENABLE_STATIC[(DEFAULT)]
 244 #   Where DEFAULT is either `yes' or `no'.  If omitted, it defaults to
 245 #   `yes'.
 246 AC_DEFUN(AC_ENABLE_STATIC, [dnl
 247 define([AC_ENABLE_STATIC_DEFAULT], ifelse($1, no, no, yes))dnl
 248 AC_ARG_ENABLE(static,
 249 changequote(<<, >>)dnl
 250 <<  --enable-static[=PKGS]  build static libraries [default=>>AC_ENABLE_STATIC_DEFAULT],
 251 changequote([, ])dnl
 252 [p=${PACKAGE-default}
 253 case "$enableval" in
 254 yes) enable_static=yes ;;
 255 no) enable_static=no ;;
 256 *)
 257   enable_static=no
 258   # Look at the argument we got.  We use all the common list separators.
 259   IFS="${IFS=   }"; ac_save_ifs="$IFS"; IFS="${IFS}:,"
 260   for pkg in $enableval; do
 261     if test "X$pkg" = "X$p"; then
 262       enable_static=yes
 263     fi
 264   done
 265   IFS="$ac_save_ifs"
 266   ;;
 267 esac],
 268 enable_static=AC_ENABLE_STATIC_DEFAULT)dnl
 269 ])
 270
 271 # AC_DISABLE_STATIC - set the default static flag to --disable-static
 272 AC_DEFUN(AC_DISABLE_STATIC, [AC_BEFORE([$0],[AC_LIBTOOL_SETUP])dnl
 273 AC_ENABLE_STATIC(no)])
 274
 275
 276 # AC_ENABLE_FAST_INSTALL - implement the --enable-fast-install flag
 277 # Usage: AC_ENABLE_FAST_INSTALL[(DEFAULT)]
 278 #   Where DEFAULT is either `yes' or `no'.  If omitted, it defaults to
 279 #   `yes'.
 280 AC_DEFUN(AC_ENABLE_FAST_INSTALL, [dnl
 281 define([AC_ENABLE_FAST_INSTALL_DEFAULT], ifelse($1, no, no, yes))dnl
 282 AC_ARG_ENABLE(fast-install,
 283 changequote(<<, >>)dnl
 284 <<  --enable-fast-install[=PKGS]  optimize for fast installation [default=>>AC_ENABLE_FAST_INSTALL_DEFAULT],
 285 changequote([, ])dnl
 286 [p=${PACKAGE-default}
 287 case "$enableval" in
 288 yes) enable_fast_install=yes ;;
 289 no) enable_fast_install=no ;;
 290 *)
 291   enable_fast_install=no
 292   # Look at the argument we got.  We use all the common list separators.
 293   IFS="${IFS=   }"; ac_save_ifs="$IFS"; IFS="${IFS}:,"
 294   for pkg in $enableval; do
 295     if test "X$pkg" = "X$p"; then
 296       enable_fast_install=yes
 297     fi
 298   done
 299   IFS="$ac_save_ifs"
 300   ;;
 301 esac],
 302 enable_fast_install=AC_ENABLE_FAST_INSTALL_DEFAULT)dnl
 303 ])
 304
 305 # AC_DISABLE_FAST_INSTALL - set the default to --disable-fast-install
 306 AC_DEFUN(AC_DISABLE_FAST_INSTALL, [AC_BEFORE([$0],[AC_LIBTOOL_SETUP])dnl
 307 AC_ENABLE_FAST_INSTALL(no)])
 308
 309 # AC_LIBTOOL_PICMODE - implement the --with-pic flag
 310 # Usage: AC_LIBTOOL_PICMODE[(MODE)]
 311 #   Where MODE is either `yes' or `no'.  If omitted, it defaults to
 312 #   `both'.
 313 AC_DEFUN(AC_LIBTOOL_PICMODE, [AC_BEFORE([$0],[AC_LIBTOOL_SETUP])dnl
 314 pic_mode=ifelse($#,1,$1,default)])
 315
 316
 317 # AC_PATH_TOOL_PREFIX - find a file program which can recognise shared library
 318 AC_DEFUN(AC_PATH_TOOL_PREFIX,
 319 [AC_MSG_CHECKING([for $1])
 320 AC_CACHE_VAL(lt_cv_path_MAGIC,
 321 [case "$MAGIC" in
 322   /*)
 323   lt_cv_path_MAGIC="$MAGIC" # Let the user override the test with a path.
 324   ;;
 325   ?:/*)
 326   ac_cv_path_MAGIC="$MAGIC" # Let the user override the test with a dos path.
 327   ;;
 328   *)
 329   ac_save_MAGIC="$MAGIC"
 330   IFS="${IFS=   }"; ac_save_ifs="$IFS"; IFS=":"
 331 dnl $ac_dummy forces splitting on constant user-supplied paths.
 332 dnl POSIX.2 word splitting is done only on the output of word expansions,
 333 dnl not every word.  This closes a longstanding sh security hole.
 334   ac_dummy="ifelse([$2], , $PATH, [$2])"
 335   for ac_dir in $ac_dummy; do
 336     test -z "$ac_dir" && ac_dir=.
 337     if test -f $ac_dir/$1; then
 338       lt_cv_path_MAGIC="$ac_dir/$1"
 339       if test -n "$file_magic_test_file"; then
 340         case "$deplibs_check_method" in
 341         "file_magic "*)
 342           file_magic_regex="`expr \"$deplibs_check_method\" : \"file_magic \(.*\)\"`"
 343           MAGIC="$lt_cv_path_MAGIC"
 344           if eval $file_magic_cmd \$file_magic_test_file 2> /dev/null |
 345             egrep "$file_magic_regex" > /dev/null; then
 346             :
 347           else
 348             cat <<EOF 1>&2
 349
 350 *** Warning: the command libtool uses to detect shared libraries,
 351 *** $file_magic_cmd, produces output that libtool cannot recognize.
 352 *** The result is that libtool may fail to recognize shared libraries
 353 *** as such.  This will affect the creation of libtool libraries that
 354 *** depend on shared libraries, but programs linked with such libtool
 355 *** libraries will work regardless of this problem.  Nevertheless, you
 356 *** may want to report the problem to your system manager and/or to
 357 *** bug-libtool@gnu.org
 358
 359 EOF
 360           fi ;;
 361         esac
 362       fi
 363       break
 364     fi
 365   done
 366   IFS="$ac_save_ifs"
 367   MAGIC="$ac_save_MAGIC"
 368   ;;
 369 esac])
 370 MAGIC="$lt_cv_path_MAGIC"
 371 if test -n "$MAGIC"; then
 372   AC_MSG_RESULT($MAGIC)
 373 else
 374   AC_MSG_RESULT(no)
 375 fi
 376 ])
 377
 378
 379 # AC_PATH_MAGIC - find a file program which can recognise a shared library
 380 AC_DEFUN(AC_PATH_MAGIC,
 381 [AC_REQUIRE([AC_CHECK_TOOL_PREFIX])dnl
 382 AC_PATH_TOOL_PREFIX(${ac_tool_prefix}file, /usr/bin:$PATH)
 383 if test -z "$lt_cv_path_MAGIC"; then
 384   if test -n "$ac_tool_prefix"; then
 385     AC_PATH_TOOL_PREFIX(file, /usr/bin:$PATH)
 386   else
 387     MAGIC=:
 388   fi
 389 fi
 390 ])
 391
 392
 393 # AC_PROG_LD - find the path to the GNU or non-GNU linker
 394 AC_DEFUN(AC_PROG_LD,
 395 [AC_ARG_WITH(gnu-ld,
 396 [  --with-gnu-ld           assume the C compiler uses GNU ld [default=no]],
 397 test "$withval" = no || with_gnu_ld=yes, with_gnu_ld=no)
 398 AC_REQUIRE([AC_PROG_CC])dnl
 399 AC_REQUIRE([AC_CANONICAL_HOST])dnl
 400 AC_REQUIRE([AC_CANONICAL_BUILD])dnl
 401 ac_prog=ld
 402 if test "$ac_cv_prog_gcc" = yes; then
 403   # Check if gcc -print-prog-name=ld gives a path.
 404   AC_MSG_CHECKING([for ld used by GCC])
 405   case $host in
 406   *-*-mingw*)
 407     # gcc leaves a trailing carriage return which upsets mingw
 408     ac_prog=`($CC -print-prog-name=ld) 2>&5 | tr -d '\015'` ;;
 409   *)
 410     ac_prog=`($CC -print-prog-name=ld) 2>&5` ;;
 411   esac
 412   case "$ac_prog" in
 413     # Accept absolute paths.
 414 changequote(,)dnl
 415     [\\/]* | [A-Za-z]:[\\/]*)
 416       re_direlt='/[^/][^/]*/\.\./'
 417 changequote([,])dnl
 418       # Canonicalize the path of ld
 419       ac_prog=`echo $ac_prog| sed 's%\\\\%/%g'`
 420       while echo $ac_prog | grep "$re_direlt" > /dev/null 2>&1; do
 421         ac_prog=`echo $ac_prog| sed "s%$re_direlt%/%"`
 422       done
 423       test -z "$LD" && LD="$ac_prog"
 424       ;;
 425   "")
 426     # If it fails, then pretend we aren't using GCC.
 427     ac_prog=ld
 428     ;;
 429   *)
 430     # If it is relative, then search for the first ld in PATH.
 431     with_gnu_ld=unknown
 432     ;;
 433   esac
 434 elif test "$with_gnu_ld" = yes; then
 435   AC_MSG_CHECKING([for GNU ld])
 436 else
 437   AC_MSG_CHECKING([for non-GNU ld])
 438 fi
 439 AC_CACHE_VAL(ac_cv_path_LD,
 440 [if test -z "$LD"; then
 441   IFS="${IFS=   }"; ac_save_ifs="$IFS"; IFS="${IFS}${PATH_SEPARATOR-:}"
 442   for ac_dir in $PATH; do
 443     test -z "$ac_dir" && ac_dir=.
 444     if test -f "$ac_dir/$ac_prog" || test -f "$ac_dir/$ac_prog$ac_exeext"; then
 445       ac_cv_path_LD="$ac_dir/$ac_prog"
 446       # Check to see if the program is GNU ld.  I'd rather use --version,
 447       # but apparently some GNU ld's only accept -v.
 448       # Break only if it was the GNU/non-GNU ld that we prefer.
 449       if "$ac_cv_path_LD" -v 2>&1 < /dev/null | egrep '(GNU|with BFD)' > /dev/null; then
 450         test "$with_gnu_ld" != no && break
 451       else
 452         test "$with_gnu_ld" != yes && break
 453       fi
 454     fi
 455   done
 456   IFS="$ac_save_ifs"
 457 else
 458   ac_cv_path_LD="$LD" # Let the user override the test with a path.
 459 fi])
 460 LD="$ac_cv_path_LD"
 461 if test -n "$LD"; then
 462   AC_MSG_RESULT($LD)
 463 else
 464   AC_MSG_RESULT(no)
 465 fi
 466 test -z "$LD" && AC_MSG_ERROR([no acceptable ld found in \$PATH])
 467 AC_PROG_LD_GNU
 468 ])
 469
 470 AC_DEFUN(AC_PROG_LD_GNU,
 471 [AC_CACHE_CHECK([if the linker ($LD) is GNU ld], ac_cv_prog_gnu_ld,
 472 [# I'd rather use --version here, but apparently some GNU ld's only accept -v.
 473 if $LD -v 2>&1 </dev/null | egrep '(GNU|with BFD)' 1>&5; then
 474   ac_cv_prog_gnu_ld=yes
 475 else
 476   ac_cv_prog_gnu_ld=no
 477 fi])
 478 with_gnu_ld=$ac_cv_prog_gnu_ld
 479 ])
 480
 481 # AC_PROG_LD_RELOAD_FLAG - find reload flag for linker
 482 #   -- PORTME Some linkers may need a different reload flag.
 483 AC_DEFUN(AC_PROG_LD_RELOAD_FLAG,
 484 [AC_CACHE_CHECK([for $LD option to reload object files], lt_cv_ld_reload_flag,
 485 [lt_cv_ld_reload_flag='-r'])
 486 reload_flag=$lt_cv_ld_reload_flag
 487 test -n "$reload_flag" && reload_flag=" $reload_flag"
 488 ])
 489
 490 # AC_DEPLIBS_CHECK_METHOD - how to check for library dependencies
 491 #  -- PORTME fill in with the dynamic library characteristics
 492 AC_DEFUN(AC_DEPLIBS_CHECK_METHOD,
 493 [AC_CACHE_CHECK([how to recognise dependant libraries],
 494 lt_cv_deplibs_check_method,
 495 [lt_cv_file_magic_cmd='${MAGIC}'
 496 lt_cv_file_magic_test_file=
 497 lt_cv_deplibs_check_method='unknown'
 498 # Need to set the preceding variable on all platforms that support
 499 # interlibrary dependencies.
 500 # 'none' -- dependencies not supported.
 501 # `unknown' -- same as none, but documents that we really don't know.
 502 # 'pass_all' -- all dependencies passed with no checks.
 503 # 'test_compile' -- check by making test program.
 504 # 'file_magic [regex]' -- check by looking for files in library path
 505 # which responds to the $file_magic_cmd with a given egrep regex.
 506 # If you have `file' or equivalent on your system and you're not sure
 507 # whether `pass_all' will *always* work, you probably want this one.
 508
 509 case "$host_os" in
 510 aix4*)
 511   lt_cv_deplibs_check_method=pass_all
 512   ;;
 513
 514 beos*)
 515   lt_cv_deplibs_check_method=pass_all
 516   ;;
 517
 518 bsdi4*)
 519   changequote(,)dnl
 520   lt_cv_deplibs_check_method='file_magic ELF [0-9][0-9]*-bit [ML]SB (shared object|dynamic lib)'
 521   changequote([, ])dnl
 522   lt_cv_file_magic_cmd='/usr/bin/file -L'
 523   lt_cv_file_magic_test_file=/shlib/libc.so
 524   ;;
 525
 526 cygwin* | mingw*)
 527   lt_cv_deplibs_check_method='file_magic file format pei*-i386(.*architecture: i386)?'
 528   lt_cv_file_magic_cmd='${OBJDUMP} -f'
 529   ;;
 530
 531 freebsd* )
 532   if echo __ELF__ | $CC -E - | grep __ELF__ > /dev/null; then
 533     case "$host_cpu" in
 534     i*86 )
 535       # Not sure whether the presence of OpenBSD here was a mistake.
 536       # Let's accept both of them until this is cleared up.
 537       changequote(,)dnl
 538       lt_cv_deplibs_check_method='file_magic (FreeBSD|OpenBSD)/i[3-9]86 (compact )?demand paged shared library'
 539       changequote([, ])dnl
 540       lt_cv_file_magic_cmd=/usr/bin/file
 541       lt_cv_file_magic_test_file=`echo /usr/lib/libc.so.*`
 542       ;;
 543     esac
 544   else
 545     lt_cv_deplibs_check_method=pass_all
 546   fi
 547   ;;
 548
 549 gnu*)
 550   lt_cv_deplibs_check_method=pass_all
 551   ;;
 552
 553 hpux10.20*)
 554   # TODO:  Does this work for hpux-11 too?
 555   lt_cv_deplibs_check_method='file_magic (s[0-9][0-9][0-9]|PA-RISC[0-9].[0-9]) shared library'
 556   lt_cv_file_magic_cmd=/usr/bin/file
 557   lt_cv_file_magic_test_file=/usr/lib/libc.sl
 558   ;;
 559
 560 irix5* | irix6*)
 561   case "$host_os" in
 562   irix5*)
 563     # this will be overridden with pass_all, but let us keep it just in case
 564     lt_cv_deplibs_check_method="file_magic ELF 32-bit MSB dynamic lib MIPS - version 1"
 565     ;;
 566   *)
 567     case "$LD" in
 568     *-32|*"-32 ") libmagic=32-bit;;
 569     *-n32|*"-n32 ") libmagic=N32;;
 570     *-64|*"-64 ") libmagic=64-bit;;
 571     *) libmagic=never-match;;
 572     esac
 573     # this will be overridden with pass_all, but let us keep it just in case
 574     changequote(,)dnl
 575     lt_cv_deplibs_check_method="file_magic ELF ${libmagic} MSB mips-[1234] dynamic lib MIPS - version 1"
 576     changequote([, ])dnl
 577     ;;
 578   esac
 579   lt_cv_file_magic_test_file=`echo /lib${libsuff}/libc.so*`
 580   lt_cv_deplibs_check_method=pass_all
 581   ;;
 582
 583 # This must be Linux ELF.
 584 linux-gnu*)
 585   case "$host_cpu" in
 586   alpha* | i*86 | powerpc* | sparc* | ia64* )
 587     lt_cv_deplibs_check_method=pass_all ;;
 588   *)
 589     # glibc up to 2.1.1 does not perform some relocations on ARM
 590     changequote(,)dnl
 591     lt_cv_deplibs_check_method='file_magic ELF [0-9][0-9]*-bit [LM]SB (shared object|dynamic lib )' ;;
 592     changequote([, ])dnl
 593   esac
 594   lt_cv_file_magic_test_file=`echo /lib/libc.so* /lib/libc-*.so`
 595   ;;
 596
 597 netbsd*)
 598   if echo __ELF__ | $CC -E - | grep __ELF__ > /dev/null; then :
 599   else
 600     changequote(,)dnl
 601     lt_cv_deplibs_check_method='file_magic ELF [0-9][0-9]*-bit [LM]SB shared object'
 602     changequote([, ])dnl
 603     lt_cv_file_magic_cmd='/usr/bin/file -L'
 604     lt_cv_file_magic_test_file=`echo /usr/lib/libc.so*`
 605   fi
 606   ;;
 607
 608 osf3* | osf4* | osf5*)
 609   # this will be overridden with pass_all, but let us keep it just in case
 610   lt_cv_deplibs_check_method='file_magic COFF format alpha shared library'
 611   lt_cv_file_magic_test_file=/shlib/libc.so
 612   lt_cv_deplibs_check_method=pass_all
 613   ;;
 614
 615 sco3.2v5*)
 616   lt_cv_deplibs_check_method=pass_all
 617   ;;
 618
 619 solaris*)
 620   lt_cv_deplibs_check_method=pass_all
 621   lt_cv_file_magic_test_file=/lib/libc.so
 622   ;;
 623
 624 sysv4 | sysv4.2uw2* | sysv4.3* | sysv5*)
 625   case "$host_vendor" in
 626   ncr)
 627     lt_cv_deplibs_check_method=pass_all
 628     ;;
 629   motorola)
 630     changequote(,)dnl
 631     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]'
 632     changequote([, ])dnl
 633     lt_cv_file_magic_test_file=`echo /usr/lib/libc.so*`
 634     ;;
 635   esac
 636   ;;
 637 esac
 638 ])
 639 file_magic_cmd=$lt_cv_file_magic_cmd
 640 deplibs_check_method=$lt_cv_deplibs_check_method
 641 ])
 642
 643
 644 # AC_PROG_NM - find the path to a BSD-compatible name lister
 645 AC_DEFUN(AC_PROG_NM,
 646 [AC_MSG_CHECKING([for BSD-compatible nm])
 647 AC_CACHE_VAL(ac_cv_path_NM,
 648 [if test -n "$NM"; then
 649   # Let the user override the test.
 650   ac_cv_path_NM="$NM"
 651 else
 652   IFS="${IFS=   }"; ac_save_ifs="$IFS"; IFS="${IFS}${PATH_SEPARATOR-:}"
 653   for ac_dir in $PATH /usr/ccs/bin /usr/ucb /bin; do
 654     test -z "$ac_dir" && ac_dir=.
 655     tmp_nm=$ac_dir/${ac_tool_prefix}nm
 656     if test -f $tmp_nm || test -f $tmp_nm$ac_exeext ; then
 657       # Check to see if the nm accepts a BSD-compat flag.
 658       # Adding the `sed 1q' prevents false positives on HP-UX, which says:
 659       #   nm: unknown option "B" ignored
 660       # Tru64's nm complains that /dev/null is an invalid object file
 661       if ($tmp_nm -B /dev/null 2>&1 | sed '1q'; exit 0) | egrep '(/dev/null|Invalid file or object type)' >/dev/null; then
 662         ac_cv_path_NM="$tmp_nm -B"
 663         break
 664       elif ($tmp_nm -p /dev/null 2>&1 | sed '1q'; exit 0) | egrep /dev/null >/dev/null; then
 665         ac_cv_path_NM="$tmp_nm -p"
 666         break
 667       else
 668         ac_cv_path_NM=${ac_cv_path_NM="$tmp_nm"} # keep the first match, but
 669         continue # so that we can try to find one that supports BSD flags
 670       fi
 671     fi
 672   done
 673   IFS="$ac_save_ifs"
 674   test -z "$ac_cv_path_NM" && ac_cv_path_NM=nm
 675 fi])
 676 NM="$ac_cv_path_NM"
 677 AC_MSG_RESULT([$NM])
 678 ])
 679
 680 # AC_CHECK_LIBM - check for math library
 681 AC_DEFUN(AC_CHECK_LIBM,
 682 [AC_REQUIRE([AC_CANONICAL_HOST])dnl
 683 LIBM=
 684 case "$host" in
 685 *-*-beos* | *-*-cygwin*)
 686   # These system don't have libm
 687   ;;
 688 *-ncr-sysv4.3*)
 689   AC_CHECK_LIB(mw, _mwvalidcheckl, LIBM="-lmw")
 690   AC_CHECK_LIB(m, main, LIBM="$LIBM -lm")
 691   ;;
 692 *)
 693   AC_CHECK_LIB(m, main, LIBM="-lm")
 694   ;;
 695 esac
 696 ])
 697
 698 # AC_LIBLTDL_CONVENIENCE[(dir)] - sets LIBLTDL to the link flags for
 699 # the libltdl convenience library and INCLTDL to the include flags for
 700 # the libltdl header and adds --enable-ltdl-convenience to the
 701 # configure arguments.  Note that LIBLTDL and INCLTDL are not
 702 # AC_SUBSTed, nor is AC_CONFIG_SUBDIRS called.  If DIR is not
 703 # provided, it is assumed to be `libltdl'.  LIBLTDL will be prefixed
 704 # with '${top_builddir}/' and INCLTDL will be prefixed with
 705 # '${top_srcdir}/' (note the single quotes!).  If your package is not
 706 # flat and you're not using automake, define top_builddir and
 707 # top_srcdir appropriately in the Makefiles.
 708 AC_DEFUN(AC_LIBLTDL_CONVENIENCE, [AC_BEFORE([$0],[AC_LIBTOOL_SETUP])dnl
 709   case "$enable_ltdl_convenience" in
 710   no) AC_MSG_ERROR([this package needs a convenience libltdl]) ;;
 711   "") enable_ltdl_convenience=yes
 712       ac_configure_args="$ac_configure_args --enable-ltdl-convenience" ;;
 713   esac
 714   LIBLTDL='${top_builddir}/'ifelse($#,1,[$1],['libltdl'])/libltdlc.la
 715   INCLTDL='-I${top_srcdir}/'ifelse($#,1,[$1],['libltdl'])
 716 ])
 717
 718 # AC_LIBLTDL_INSTALLABLE[(dir)] - sets LIBLTDL to the link flags for
 719 # the libltdl installable library and INCLTDL to the include flags for
 720 # the libltdl header and adds --enable-ltdl-install to the configure
 721 # arguments.  Note that LIBLTDL and INCLTDL are not AC_SUBSTed, nor is
 722 # AC_CONFIG_SUBDIRS called.  If DIR is not provided and an installed
 723 # libltdl is not found, it is assumed to be `libltdl'.  LIBLTDL will
 724 # be prefixed with '${top_builddir}/' and INCLTDL will be prefixed
 725 # with '${top_srcdir}/' (note the single quotes!).  If your package is
 726 # not flat and you're not using automake, define top_builddir and
 727 # top_srcdir appropriately in the Makefiles.
 728 # In the future, this macro may have to be called after AC_PROG_LIBTOOL.
 729 AC_DEFUN(AC_LIBLTDL_INSTALLABLE, [AC_BEFORE([$0],[AC_LIBTOOL_SETUP])dnl
 730   AC_CHECK_LIB(ltdl, main,
 731   [test x"$enable_ltdl_install" != xyes && enable_ltdl_install=no],
 732   [if test x"$enable_ltdl_install" = xno; then
 733      AC_MSG_WARN([libltdl not installed, but installation disabled])
 734    else
 735      enable_ltdl_install=yes
 736    fi
 737   ])
 738   if test x"$enable_ltdl_install" = x"yes"; then
 739     ac_configure_args="$ac_configure_args --enable-ltdl-install"
 740     LIBLTDL='${top_builddir}/'ifelse($#,1,[$1],['libltdl'])/libltdl.la
 741     INCLTDL='-I${top_srcdir}/'ifelse($#,1,[$1],['libltdl'])
 742   else
 743     ac_configure_args="$ac_configure_args --enable-ltdl-install=no"
 744     LIBLTDL="-lltdl"
 745     INCLTDL=
 746   fi
 747 ])
 748
 749 # If this macro is not defined by Autoconf, define it here.
 750 ifdef([AC_PROVIDE_IFELSE],
 751       [],
 752       [define([AC_PROVIDE_IFELSE],
 753               [ifdef([AC_PROVIDE_$1],
 754                      [$2], [$3])])])
 755
 756 # AC_LIBTOOL_CXX - enable support for C++ libraries
 757 AC_DEFUN(AC_LIBTOOL_CXX,[AC_REQUIRE([_AC_LIBTOOL_CXX])])
 758 AC_DEFUN(_AC_LIBTOOL_CXX,
 759 [AC_REQUIRE([AC_PROG_LIBTOOL])
 760 AC_REQUIRE([AC_PROG_CXX])
 761 AC_REQUIRE([AC_PROG_CXXCPP])
 762 LIBTOOL_DEPS=$LIBTOOL_DEPS" $ac_aux_dir/ltcf-cxx.sh"
 763 lt_save_CC="$CC"
 764 lt_save_CFLAGS="$CFLAGS"
 765 dnl Make sure LTCC is set to the C compiler, i.e. set LTCC before CC
 766 dnl is set to the C++ compiler.
 767 AR="$AR" LTCC="$CC" CC="$CXX" CXX="$CXX" CFLAGS="$CXXFLAGS" CPPFLAGS="$CPPFLAGS" \
 768 MAGIC="$MAGIC" LDFLAGS="$LDFLAGS" LIBS="$LIBS" \
 769 LN_S="$LN_S" NM="$NM" RANLIB="$RANLIB" STRIP="$STRIP" \
 770 AS="$AS" DLLTOOL="$DLLTOOL" OBJDUMP="$OBJDUMP" \
 771 objext="$OBJEXT" exeext="$EXEEXT" reload_flag="$reload_flag" \
 772 deplibs_check_method="$deplibs_check_method" \
 773 file_magic_cmd="$file_magic_cmd" \
 774 ${CONFIG_SHELL-/bin/sh} $ac_aux_dir/ltconfig -o libtool $libtool_flags \
 775 --build="$build" --add-tag=CXX $ac_aux_dir/ltcf-cxx.sh $host \
 776 || AC_MSG_ERROR([libtool tag configuration failed])
 777 CC="$lt_save_CC"
 778 CFLAGS="$lt_save_CFLAGS"
 779
 780 # Redirect the config.log output again, so that the ltconfig log is not
 781 # clobbered by the next message.
 782 exec 5>>./config.log
 783 ])
 784
 785 # AC_LIBTOOL_GCJ - enable support for GCJ libraries
 786 AC_DEFUN(AC_LIBTOOL_GCJ,[AC_REQUIRE([_AC_LIBTOOL_GCJ])])
 787 AC_DEFUN(_AC_LIBTOOL_GCJ,
 788 [AC_REQUIRE([AC_PROG_LIBTOOL])
 789 AC_PROVIDE_IFELSE([AC_PROG_GCJ],[],
 790   [AC_PROVIDE_IFELSE([A][M_PROG_GCJ],[],
 791     [ifdef([AC_PROG_GCJ],[AC_REQUIRE([AC_PROG_GCJ])],
 792        [ifdef([A][M_PROG_GCJ],[AC_REQUIRE([A][M_PROG_GCJ])],
 793          [AC_REQUIRE([A][C_PROG_GCJ_OR_A][M_PROG_GCJ])])])])])
 794 LIBTOOL_DEPS=$LIBTOOL_DEPS" $ac_aux_dir/ltcf-gcj.sh"
 795 lt_save_CC="$CC"
 796 lt_save_CFLAGS="$CFLAGS"
 797 dnl Make sure LTCC is set to the C compiler, i.e. set LTCC before CC
 798 dnl is set to the C++ compiler.
 799 AR="$AR" LTCC="$CC" CC="$GCJ" CFLAGS="$GCJFLAGS" CPPFLAGS="" \
 800 MAGIC="$MAGIC" LDFLAGS="$LDFLAGS" LIBS="$LIBS" \
 801 LN_S="$LN_S" NM="$NM" RANLIB="$RANLIB" STRIP="$STRIP" \
 802 AS="$AS" DLLTOOL="$DLLTOOL" OBJDUMP="$OBJDUMP" \
 803 objext="$OBJEXT" exeext="$EXEEXT" reload_flag="$reload_flag" \
 804 deplibs_check_method="$deplibs_check_method" \
 805 file_magic_cmd="$file_magic_cmd" \
 806 ${CONFIG_SHELL-/bin/sh} $ac_aux_dir/ltconfig -o libtool $libtool_flags \
 807 --build="$build" --add-tag=GCJ $ac_aux_dir/ltcf-gcj.sh $host \
 808 || AC_MSG_ERROR([libtool tag configuration failed])
 809 CC="$lt_save_CC"
 810 CFLAGS="$lt_save_CFLAGS"
 811
 812 # Redirect the config.log output again, so that the ltconfig log is not
 813 # clobbered by the next message.
 814 exec 5>>./config.log
 815 ])
 816
 817 dnl old names
 818 AC_DEFUN(AM_PROG_LIBTOOL, [indir([AC_PROG_LIBTOOL])])dnl
 819 AC_DEFUN(AM_ENABLE_SHARED, [indir([AC_ENABLE_SHARED], $@)])dnl
 820 AC_DEFUN(AM_ENABLE_STATIC, [indir([AC_ENABLE_STATIC], $@)])dnl
 821 AC_DEFUN(AM_DISABLE_SHARED, [indir([AC_DISABLE_SHARED], $@)])dnl
 822 AC_DEFUN(AM_DISABLE_STATIC, [indir([AC_DISABLE_STATIC], $@)])dnl
 823 AC_DEFUN(AM_PROG_LD, [indir([AC_PROG_LD])])dnl
 824 AC_DEFUN(AM_PROG_NM, [indir([AC_PROG_NM])])dnl
 825
 826 dnl This is just to silence aclocal about the macro not being used
 827 ifelse([AC_DISABLE_FAST_INSTALL])dnl
 828
 829 AC_DEFUN([LT_AC_PROG_GCJ],[
 830   AC_CHECK_TOOL(GCJ, gcj, no)
 831   test "x${GCJFLAGS+set}" = xset || GCJFLAGS="-g -O2"
 832   AC_SUBST(GCJFLAGS)
 833 ])