acinclude.m4

   1 dnl  On the NeXT, #including <utime.h> doesn't give you a definition for
   2 dnl  struct utime, unless you #define _POSIX_SOURCE.
   3
   4 AC_DEFUN(GUILE_STRUCT_UTIMBUF, [
   5   AC_CACHE_CHECK([whether we need POSIX to get struct utimbuf],
   6     guile_cv_struct_utimbuf_needs_posix,
   7     [AC_TRY_CPP([
   8 #ifdef __EMX__
   9 #include <sys/utime.h>
  10 #else
  11 #include <utime.h>
  12 #endif
  13 struct utime blah;
  14 ],
  15                 guile_cv_struct_utimbuf_needs_posix=no,
  16                 guile_cv_struct_utimbuf_needs_posix=yes)])
  17   if test "$guile_cv_struct_utimbuf_needs_posix" = yes; then
  18      AC_DEFINE(UTIMBUF_NEEDS_POSIX)
  19   fi])
  20
  21
  22
  23
  24 dnl
  25 dnl Apparently, at CMU they have a weird version of libc.h that is
  26 dnl installed in /usr/local/include and conflicts with unistd.h.
  27 dnl In these situations, we should not #include libc.h.
  28 dnl This test arranges to #define LIBC_H_WITH_UNISTD_H iff libc.h is
  29 dnl present on the system, and is safe to #include.
  30 dnl
  31 AC_DEFUN([GUILE_HEADER_LIBC_WITH_UNISTD],
  32   [
  33     AC_CHECK_HEADERS(libc.h unistd.h)
  34     AC_CACHE_CHECK(
  35       "whether libc.h and unistd.h can be included together",
  36       guile_cv_header_libc_with_unistd,
  37       [
  38         if test "$ac_cv_header_libc_h" = "no"; then
  39           guile_cv_header_libc_with_unistd="no"
  40         elif test "$ac_cv_header_unistd_h" = "no"; then
  41           guile_cv_header_libc_with_unistd="yes"
  42         else
  43           AC_TRY_COMPILE(
  44             [
  45 #             include <libc.h>
  46 #             include <unistd.h>
  47             ],
  48             [],
  49             [guile_cv_header_libc_with_unistd=yes],
  50             [guile_cv_header_libc_with_unistd=no]
  51           )
  52         fi
  53       ]
  54     )
  55     if test "$guile_cv_header_libc_with_unistd" = yes; then
  56       AC_DEFINE(LIBC_H_WITH_UNISTD_H)
  57     fi
  58   ]
  59 )
  60
  61
  62
  63 dnl This is needed when we want to check for the same function repeatedly
  64 dnl with other parameters, such as libraries, varying.
  65 dnl
  66 dnl GUILE_NAMED_CHECK_FUNC(FUNCTION, TESTNAME,
  67 dnl                        [ACTION-IF-FOUND [, ACTION-IF-NOT-FOUND]])
  68 AC_DEFUN(GUILE_NAMED_CHECK_FUNC,
  69 [AC_MSG_CHECKING([for $1])
  70 AC_CACHE_VAL(ac_cv_func_$1_$2,
  71 [AC_TRY_LINK(
  72 dnl Don't include <ctype.h> because on OSF/1 3.0 it includes <sys/types.h>
  73 dnl which includes <sys/select.h> which contains a prototype for
  74 dnl select.  Similarly for bzero.
  75 [/* System header to define __stub macros and hopefully few prototypes,
  76     which can conflict with char $1(); below.  */
  77 #include <assert.h>
  78 /* Override any gcc2 internal prototype to avoid an error.  */
  79 ]ifelse(AC_LANG, CPLUSPLUS, [#ifdef __cplusplus
  80 extern "C"
  81 #endif
  82 ])dnl
  83 [/* We use char because int might match the return type of a gcc2
  84     builtin and then its argument prototype would still apply.  */
  85 char $1();
  86 ], [
  87 /* The GNU C library defines this for functions which it implements
  88     to always fail with ENOSYS.  Some functions are actually named
  89     something starting with __ and the normal name is an alias.  */
  90 #if defined (__stub_$1) || defined (__stub___$1)
  91 choke me
  92 #else
  93 $1();
  94 #endif
  95 ], eval "ac_cv_func_$1_$2=yes", eval "ac_cv_func_$1_$2=no")])
  96 if eval "test \"`echo '$ac_cv_func_'$1'_'$2`\" = yes"; then
  97   AC_MSG_RESULT(yes)
  98   ifelse([$3], , :, [$3])
  99 else
 100   AC_MSG_RESULT(no)
 101 ifelse([$4], , , [$4
 102 ])dnl
 103 fi
 104 ])
 105
 106
 107 ## libtool.m4 - Configure libtool for the target system. -*-Shell-script-*-
 108 ## Copyright (C) 1996-1999 Free Software Foundation, Inc.
 109 ## Originally by Gordon Matzigkeit <gord@gnu.ai.mit.edu>, 1996
 110 ##
 111 ## This program is free software; you can redistribute it and/or modify
 112 ## it under the terms of the GNU General Public License as published by
 113 ## the Free Software Foundation; either version 2 of the License, or
 114 ## (at your option) any later version.
 115 ##
 116 ## This program is distributed in the hope that it will be useful, but
 117 ## WITHOUT ANY WARRANTY; without even the implied warranty of
 118 ## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 119 ## General Public License for more details.
 120 ##
 121 ## You should have received a copy of the GNU General Public License
 122 ## along with this program; if not, write to the Free Software
 123 ## Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
 124 ##
 125 ## As a special exception to the GNU General Public License, if you
 126 ## distribute this file as part of a program that contains a
 127 ## configuration script generated by Autoconf, you may include it under
 128 ## the same distribution terms that you use for the rest of that program.
 129
 130 # serial 40 AC_PROG_LIBTOOL
 131 AC_DEFUN(AC_PROG_LIBTOOL,
 132 [AC_REQUIRE([AC_LIBTOOL_SETUP])dnl
 133
 134 # Save cache, so that ltconfig can load it
 135 AC_CACHE_SAVE
 136
 137 # Actually configure libtool.  ac_aux_dir is where install-sh is found.
 138 CC="$CC" CFLAGS="$CFLAGS" CPPFLAGS="$CPPFLAGS" \
 139 LD="$LD" LDFLAGS="$LDFLAGS" LIBS="$LIBS" \
 140 LN_S="$LN_S" NM="$NM" RANLIB="$RANLIB" \
 141 DLLTOOL="$DLLTOOL" AS="$AS" OBJDUMP="$OBJDUMP" \
 142 ${CONFIG_SHELL-/bin/sh} $ac_aux_dir/ltconfig --no-reexec \
 143 $libtool_flags --no-verify $ac_aux_dir/ltmain.sh $lt_target \
 144 || AC_MSG_ERROR([libtool configure failed])
 145
 146 # Reload cache, that may have been modified by ltconfig
 147 AC_CACHE_LOAD
 148
 149 # This can be used to rebuild libtool when needed
 150 LIBTOOL_DEPS="$ac_aux_dir/ltconfig $ac_aux_dir/ltmain.sh"
 151
 152 # Always use our own libtool.
 153 LIBTOOL='$(SHELL) $(top_builddir)/libtool'
 154 AC_SUBST(LIBTOOL)dnl
 155
 156 # Redirect the config.log output again, so that the ltconfig log is not
 157 # clobbered by the next message.
 158 exec 5>>./config.log
 159 ])
 160
 161 AC_DEFUN(AC_LIBTOOL_SETUP,
 162 [AC_PREREQ(2.13)dnl
 163 AC_REQUIRE([AC_ENABLE_SHARED])dnl
 164 AC_REQUIRE([AC_ENABLE_STATIC])dnl
 165 AC_REQUIRE([AC_ENABLE_FAST_INSTALL])dnl
 166 AC_REQUIRE([AC_CANONICAL_HOST])dnl
 167 AC_REQUIRE([AC_CANONICAL_BUILD])dnl
 168 AC_REQUIRE([AC_PROG_RANLIB])dnl
 169 AC_REQUIRE([AC_PROG_CC])dnl
 170 AC_REQUIRE([AC_PROG_LD])dnl
 171 AC_REQUIRE([AC_PROG_NM])dnl
 172 AC_REQUIRE([AC_PROG_LN_S])dnl
 173 dnl
 174
 175 case "$target" in
 176 NONE) lt_target="$host" ;;
 177 *) lt_target="$target" ;;
 178 esac
 179
 180 # Check for any special flags to pass to ltconfig.
 181 libtool_flags="--cache-file=$cache_file"
 182 test "$enable_shared" = no && libtool_flags="$libtool_flags --disable-shared"
 183 test "$enable_static" = no && libtool_flags="$libtool_flags --disable-static"
 184 test "$enable_fast_install" = no && libtool_flags="$libtool_flags --disable-fast-install"
 185 test "$ac_cv_prog_gcc" = yes && libtool_flags="$libtool_flags --with-gcc"
 186 test "$ac_cv_prog_gnu_ld" = yes && libtool_flags="$libtool_flags --with-gnu-ld"
 187 ifdef([AC_PROVIDE_AC_LIBTOOL_DLOPEN],
 188 [libtool_flags="$libtool_flags --enable-dlopen"])
 189 ifdef([AC_PROVIDE_AC_LIBTOOL_WIN32_DLL],
 190 [libtool_flags="$libtool_flags --enable-win32-dll"])
 191 AC_ARG_ENABLE(libtool-lock,
 192   [  --disable-libtool-lock  avoid locking (might break parallel builds)])
 193 test "x$enable_libtool_lock" = xno && libtool_flags="$libtool_flags --disable-lock"
 194 test x"$silent" = xyes && libtool_flags="$libtool_flags --silent"
 195
 196 # Some flags need to be propagated to the compiler or linker for good
 197 # libtool support.
 198 case "$lt_target" in
 199 *-*-irix6*)
 200   # Find out which ABI we are using.
 201   echo '[#]line __oline__ "configure"' > conftest.$ac_ext
 202   if AC_TRY_EVAL(ac_compile); then
 203     case "`/usr/bin/file conftest.o`" in
 204     *32-bit*)
 205       LD="${LD-ld} -32"
 206       ;;
 207     *N32*)
 208       LD="${LD-ld} -n32"
 209       ;;
 210     *64-bit*)
 211       LD="${LD-ld} -64"
 212       ;;
 213     esac
 214   fi
 215   rm -rf conftest*
 216   ;;
 217
 218 *-*-sco3.2v5*)
 219   # On SCO OpenServer 5, we need -belf to get full-featured binaries.
 220   SAVE_CFLAGS="$CFLAGS"
 221   CFLAGS="$CFLAGS -belf"
 222   AC_CACHE_CHECK([whether the C compiler needs -belf], lt_cv_cc_needs_belf,
 223     [AC_TRY_LINK([],[],[lt_cv_cc_needs_belf=yes],[lt_cv_cc_needs_belf=no])])
 224   if test x"$lt_cv_cc_needs_belf" != x"yes"; then
 225     # this is probably gcc 2.8.0, egcs 1.0 or newer; no need for -belf
 226     CFLAGS="$SAVE_CFLAGS"
 227   fi
 228   ;;
 229
 230 ifdef([AC_PROVIDE_AC_LIBTOOL_WIN32_DLL],
 231 [*-*-cygwin* | *-*-mingw*)
 232   AC_CHECK_TOOL(DLLTOOL, dlltool, false)
 233   AC_CHECK_TOOL(AS, as, false)
 234   AC_CHECK_TOOL(OBJDUMP, objdump, false)
 235   ;;
 236 ])
 237 esac
 238 ])
 239
 240 # AC_LIBTOOL_DLOPEN - enable checks for dlopen support
 241 AC_DEFUN(AC_LIBTOOL_DLOPEN, [AC_BEFORE([$0],[AC_LIBTOOL_SETUP])])
 242
 243 # AC_LIBTOOL_WIN32_DLL - declare package support for building win32 dll's
 244 AC_DEFUN(AC_LIBTOOL_WIN32_DLL, [AC_BEFORE([$0], [AC_LIBTOOL_SETUP])])
 245
 246 # AC_ENABLE_SHARED - implement the --enable-shared flag
 247 # Usage: AC_ENABLE_SHARED[(DEFAULT)]
 248 #   Where DEFAULT is either `yes' or `no'.  If omitted, it defaults to
 249 #   `yes'.
 250 AC_DEFUN(AC_ENABLE_SHARED, [dnl
 251 define([AC_ENABLE_SHARED_DEFAULT], ifelse($1, no, no, yes))dnl
 252 AC_ARG_ENABLE(shared,
 253 changequote(<<, >>)dnl
 254 <<  --enable-shared[=PKGS]  build shared libraries [default=>>AC_ENABLE_SHARED_DEFAULT],
 255 changequote([, ])dnl
 256 [p=${PACKAGE-default}
 257 case "$enableval" in
 258 yes) enable_shared=yes ;;
 259 no) enable_shared=no ;;
 260 *)
 261   enable_shared=no
 262   # Look at the argument we got.  We use all the common list separators.
 263   IFS="${IFS=   }"; ac_save_ifs="$IFS"; IFS="${IFS}:,"
 264   for pkg in $enableval; do
 265     if test "X$pkg" = "X$p"; then
 266       enable_shared=yes
 267     fi
 268   done
 269   IFS="$ac_save_ifs"
 270   ;;
 271 esac],
 272 enable_shared=AC_ENABLE_SHARED_DEFAULT)dnl
 273 ])
 274
 275 # AC_DISABLE_SHARED - set the default shared flag to --disable-shared
 276 AC_DEFUN(AC_DISABLE_SHARED, [AC_BEFORE([$0],[AC_LIBTOOL_SETUP])dnl
 277 AC_ENABLE_SHARED(no)])
 278
 279 # AC_ENABLE_STATIC - implement the --enable-static flag
 280 # Usage: AC_ENABLE_STATIC[(DEFAULT)]
 281 #   Where DEFAULT is either `yes' or `no'.  If omitted, it defaults to
 282 #   `yes'.
 283 AC_DEFUN(AC_ENABLE_STATIC, [dnl
 284 define([AC_ENABLE_STATIC_DEFAULT], ifelse($1, no, no, yes))dnl
 285 AC_ARG_ENABLE(static,
 286 changequote(<<, >>)dnl
 287 <<  --enable-static[=PKGS]  build static libraries [default=>>AC_ENABLE_STATIC_DEFAULT],
 288 changequote([, ])dnl
 289 [p=${PACKAGE-default}
 290 case "$enableval" in
 291 yes) enable_static=yes ;;
 292 no) enable_static=no ;;
 293 *)
 294   enable_static=no
 295   # Look at the argument we got.  We use all the common list separators.
 296   IFS="${IFS=   }"; ac_save_ifs="$IFS"; IFS="${IFS}:,"
 297   for pkg in $enableval; do
 298     if test "X$pkg" = "X$p"; then
 299       enable_static=yes
 300     fi
 301   done
 302   IFS="$ac_save_ifs"
 303   ;;
 304 esac],
 305 enable_static=AC_ENABLE_STATIC_DEFAULT)dnl
 306 ])
 307
 308 # AC_DISABLE_STATIC - set the default static flag to --disable-static
 309 AC_DEFUN(AC_DISABLE_STATIC, [AC_BEFORE([$0],[AC_LIBTOOL_SETUP])dnl
 310 AC_ENABLE_STATIC(no)])
 311
 312
 313 # AC_ENABLE_FAST_INSTALL - implement the --enable-fast-install flag
 314 # Usage: AC_ENABLE_FAST_INSTALL[(DEFAULT)]
 315 #   Where DEFAULT is either `yes' or `no'.  If omitted, it defaults to
 316 #   `yes'.
 317 AC_DEFUN(AC_ENABLE_FAST_INSTALL, [dnl
 318 define([AC_ENABLE_FAST_INSTALL_DEFAULT], ifelse($1, no, no, yes))dnl
 319 AC_ARG_ENABLE(fast-install,
 320 changequote(<<, >>)dnl
 321 <<  --enable-fast-install[=PKGS]  optimize for fast installation [default=>>AC_ENABLE_FAST_INSTALL_DEFAULT],
 322 changequote([, ])dnl
 323 [p=${PACKAGE-default}
 324 case "$enableval" in
 325 yes) enable_fast_install=yes ;;
 326 no) enable_fast_install=no ;;
 327 *)
 328   enable_fast_install=no
 329   # Look at the argument we got.  We use all the common list separators.
 330   IFS="${IFS=   }"; ac_save_ifs="$IFS"; IFS="${IFS}:,"
 331   for pkg in $enableval; do
 332     if test "X$pkg" = "X$p"; then
 333       enable_fast_install=yes
 334     fi
 335   done
 336   IFS="$ac_save_ifs"
 337   ;;
 338 esac],
 339 enable_fast_install=AC_ENABLE_FAST_INSTALL_DEFAULT)dnl
 340 ])
 341
 342 # AC_ENABLE_FAST_INSTALL - set the default to --disable-fast-install
 343 AC_DEFUN(AC_DISABLE_FAST_INSTALL, [AC_BEFORE([$0],[AC_LIBTOOL_SETUP])dnl
 344 AC_ENABLE_FAST_INSTALL(no)])
 345
 346 # AC_PROG_LD - find the path to the GNU or non-GNU linker
 347 AC_DEFUN(AC_PROG_LD,
 348 [AC_ARG_WITH(gnu-ld,
 349 [  --with-gnu-ld           assume the C compiler uses GNU ld [default=no]],
 350 test "$withval" = no || with_gnu_ld=yes, with_gnu_ld=no)
 351 AC_REQUIRE([AC_PROG_CC])dnl
 352 AC_REQUIRE([AC_CANONICAL_HOST])dnl
 353 AC_REQUIRE([AC_CANONICAL_BUILD])dnl
 354 ac_prog=ld
 355 if test "$ac_cv_prog_gcc" = yes; then
 356   # Check if gcc -print-prog-name=ld gives a path.
 357   AC_MSG_CHECKING([for ld used by GCC])
 358   ac_prog=`($CC -print-prog-name=ld) 2>&5`
 359   case "$ac_prog" in
 360     # Accept absolute paths.
 361 changequote(,)dnl
 362     [\\/]* | [A-Za-z]:[\\/]*)
 363       re_direlt='/[^/][^/]*/\.\./'
 364 changequote([,])dnl
 365       # Canonicalize the path of ld
 366       ac_prog=`echo $ac_prog| sed 's%\\\\%/%g'`
 367       while echo $ac_prog | grep "$re_direlt" > /dev/null 2>&1; do
 368         ac_prog=`echo $ac_prog| sed "s%$re_direlt%/%"`
 369       done
 370       test -z "$LD" && LD="$ac_prog"
 371       ;;
 372   "")
 373     # If it fails, then pretend we aren't using GCC.
 374     ac_prog=ld
 375     ;;
 376   *)
 377     # If it is relative, then search for the first ld in PATH.
 378     with_gnu_ld=unknown
 379     ;;
 380   esac
 381 elif test "$with_gnu_ld" = yes; then
 382   AC_MSG_CHECKING([for GNU ld])
 383 else
 384   AC_MSG_CHECKING([for non-GNU ld])
 385 fi
 386 AC_CACHE_VAL(ac_cv_path_LD,
 387 [if test -z "$LD"; then
 388   IFS="${IFS=   }"; ac_save_ifs="$IFS"; IFS="${IFS}${PATH_SEPARATOR-:}"
 389   for ac_dir in $PATH; do
 390     test -z "$ac_dir" && ac_dir=.
 391     if test -f "$ac_dir/$ac_prog" || test -f "$ac_dir/$ac_prog$ac_exeext"; then
 392       ac_cv_path_LD="$ac_dir/$ac_prog"
 393       # Check to see if the program is GNU ld.  I'd rather use --version,
 394       # but apparently some GNU ld's only accept -v.
 395       # Break only if it was the GNU/non-GNU ld that we prefer.
 396       if "$ac_cv_path_LD" -v 2>&1 < /dev/null | egrep '(GNU|with BFD)' > /dev/null; then
 397         test "$with_gnu_ld" != no && break
 398       else
 399         test "$with_gnu_ld" != yes && break
 400       fi
 401     fi
 402   done
 403   IFS="$ac_save_ifs"
 404 else
 405   ac_cv_path_LD="$LD" # Let the user override the test with a path.
 406 fi])
 407 LD="$ac_cv_path_LD"
 408 if test -n "$LD"; then
 409   AC_MSG_RESULT($LD)
 410 else
 411   AC_MSG_RESULT(no)
 412 fi
 413 test -z "$LD" && AC_MSG_ERROR([no acceptable ld found in \$PATH])
 414 AC_PROG_LD_GNU
 415 ])
 416
 417 AC_DEFUN(AC_PROG_LD_GNU,
 418 [AC_CACHE_CHECK([if the linker ($LD) is GNU ld], ac_cv_prog_gnu_ld,
 419 [# I'd rather use --version here, but apparently some GNU ld's only accept -v.
 420 if $LD -v 2>&1 </dev/null | egrep '(GNU|with BFD)' 1>&5; then
 421   ac_cv_prog_gnu_ld=yes
 422 else
 423   ac_cv_prog_gnu_ld=no
 424 fi])
 425 ])
 426
 427 # AC_PROG_NM - find the path to a BSD-compatible name lister
 428 AC_DEFUN(AC_PROG_NM,
 429 [AC_MSG_CHECKING([for BSD-compatible nm])
 430 AC_CACHE_VAL(ac_cv_path_NM,
 431 [if test -n "$NM"; then
 432   # Let the user override the test.
 433   ac_cv_path_NM="$NM"
 434 else
 435   IFS="${IFS=   }"; ac_save_ifs="$IFS"; IFS="${IFS}${PATH_SEPARATOR-:}"
 436   for ac_dir in $PATH /usr/ccs/bin /usr/ucb /bin; do
 437     test -z "$ac_dir" && ac_dir=.
 438     if test -f $ac_dir/nm || test -f $ac_dir/nm$ac_exeext ; then
 439       # Check to see if the nm accepts a BSD-compat flag.
 440       # Adding the `sed 1q' prevents false positives on HP-UX, which says:
 441       #   nm: unknown option "B" ignored
 442       if ($ac_dir/nm -B /dev/null 2>&1 | sed '1q'; exit 0) | egrep /dev/null >/dev/null; then
 443         ac_cv_path_NM="$ac_dir/nm -B"
 444         break
 445       elif ($ac_dir/nm -p /dev/null 2>&1 | sed '1q'; exit 0) | egrep /dev/null >/dev/null; then
 446         ac_cv_path_NM="$ac_dir/nm -p"
 447         break
 448       else
 449         ac_cv_path_NM=${ac_cv_path_NM="$ac_dir/nm"} # keep the first match, but
 450         continue # so that we can try to find one that supports BSD flags
 451       fi
 452     fi
 453   done
 454   IFS="$ac_save_ifs"
 455   test -z "$ac_cv_path_NM" && ac_cv_path_NM=nm
 456 fi])
 457 NM="$ac_cv_path_NM"
 458 AC_MSG_RESULT([$NM])
 459 ])
 460
 461 # AC_CHECK_LIBM - check for math library
 462 AC_DEFUN(AC_CHECK_LIBM,
 463 [AC_REQUIRE([AC_CANONICAL_HOST])dnl
 464 LIBM=
 465 case "$lt_target" in
 466 *-*-beos* | *-*-cygwin*)
 467   # These system don't have libm
 468   ;;
 469 *-ncr-sysv4.3*)
 470   AC_CHECK_LIB(mw, _mwvalidcheckl, LIBM="-lmw")
 471   AC_CHECK_LIB(m, main, LIBM="$LIBM -lm")
 472   ;;
 473 *)
 474   AC_CHECK_LIB(m, main, LIBM="-lm")
 475   ;;
 476 esac
 477 ])
 478
 479 # AC_LIBLTDL_CONVENIENCE[(dir)] - sets LIBLTDL to the link flags for
 480 # the libltdl convenience library, adds --enable-ltdl-convenience to
 481 # the configure arguments.  Note that LIBLTDL is not AC_SUBSTed, nor
 482 # is AC_CONFIG_SUBDIRS called.  If DIR is not provided, it is assumed
 483 # to be `${top_builddir}/libltdl'.  Make sure you start DIR with
 484 # '${top_builddir}/' (note the single quotes!) if your package is not
 485 # flat, and, if you're not using automake, define top_builddir as
 486 # appropriate in the Makefiles.
 487 AC_DEFUN(AC_LIBLTDL_CONVENIENCE, [AC_BEFORE([$0],[AC_LIBTOOL_SETUP])dnl
 488   case "$enable_ltdl_convenience" in
 489   no) AC_MSG_ERROR([this package needs a convenience libltdl]) ;;
 490   "") enable_ltdl_convenience=yes
 491       ac_configure_args="$ac_configure_args --enable-ltdl-convenience" ;;
 492   esac
 493   LIBLTDL=ifelse($#,1,$1,['${top_builddir}/libltdl'])/libltdlc.la
 494   INCLTDL=ifelse($#,1,-I$1,['-I${top_srcdir}/libltdl'])
 495 ])
 496
 497 # AC_LIBLTDL_INSTALLABLE[(dir)] - sets LIBLTDL to the link flags for
 498 # the libltdl installable library, and adds --enable-ltdl-install to
 499 # the configure arguments.  Note that LIBLTDL is not AC_SUBSTed, nor
 500 # is AC_CONFIG_SUBDIRS called.  If DIR is not provided, it is assumed
 501 # to be `${top_builddir}/libltdl'.  Make sure you start DIR with
 502 # '${top_builddir}/' (note the single quotes!) if your package is not
 503 # flat, and, if you're not using automake, define top_builddir as
 504 # appropriate in the Makefiles.
 505 # In the future, this macro may have to be called after AC_PROG_LIBTOOL.
 506 AC_DEFUN(AC_LIBLTDL_INSTALLABLE, [AC_BEFORE([$0],[AC_LIBTOOL_SETUP])dnl
 507   AC_CHECK_LIB(ltdl, main,
 508   [test x"$enable_ltdl_install" != xyes && enable_ltdl_install=no],
 509   [if test x"$enable_ltdl_install" = xno; then
 510      AC_MSG_WARN([libltdl not installed, but installation disabled])
 511    else
 512      enable_ltdl_install=yes
 513    fi
 514   ])
 515   if test x"$enable_ltdl_install" = x"yes"; then
 516     ac_configure_args="$ac_configure_args --enable-ltdl-install"
 517     LIBLTDL=ifelse($#,1,$1,['${top_builddir}/libltdl'])/libltdl.la
 518     INCLTDL=ifelse($#,1,-I$1,['-I${top_builddir}/libltdl'])
 519   else
 520     ac_configure_args="$ac_configure_args --enable-ltdl-install=no"
 521     LIBLTDL="-lltdl"
 522     INCLTDL=
 523   fi
 524 ])
 525
 526 dnl old names
 527 AC_DEFUN(AM_PROG_LIBTOOL, [indir([AC_PROG_LIBTOOL])])dnl
 528 AC_DEFUN(AM_ENABLE_SHARED, [indir([AC_ENABLE_SHARED], $@)])dnl
 529 AC_DEFUN(AM_ENABLE_STATIC, [indir([AC_ENABLE_STATIC], $@)])dnl
 530 AC_DEFUN(AM_DISABLE_SHARED, [indir([AC_DISABLE_SHARED], $@)])dnl
 531 AC_DEFUN(AM_DISABLE_STATIC, [indir([AC_DISABLE_STATIC], $@)])dnl
 532 AC_DEFUN(AM_PROG_LD, [indir([AC_PROG_LD])])dnl
 533 AC_DEFUN(AM_PROG_NM, [indir([AC_PROG_NM])])dnl
 534
 535 dnl This is just to silence aclocal about the macro not being used
 536 ifelse([AC_DISABLE_FAST_INSTALL])dnl