dnl aclocal.m4 generated automatically by aclocal 1.4

dnl Copyright (C) 1994, 1995-8, 1999 Free Software Foundation, Inc.

dnl This file is free software; the Free Software Foundation

dnl gives unlimited permission to copy and/or distribute it,

dnl with or without modifications, as long as this notice is preserved.

dnl This program is distributed in the hope that it will be useful,

dnl but WITHOUT ANY WARRANTY, to the extent permitted by law; without

dnl even the implied warranty of MERCHANTABILITY or FITNESS FOR A

dnl PARTICULAR PURPOSE.

# Configure paths for SDL

# Sam Lantinga 9/21/99

# stolen from Manish Singh

# stolen back from Frank Belew

# stolen from Manish Singh

# Shamelessly stolen from Owen Taylor

dnl AM_PATH_SDL([MINIMUM-VERSION, [ACTION-IF-FOUND [, ACTION-IF-NOT-FOUND]]])

dnl Test for SDL, and define SDL_CFLAGS and SDL_LIBS

dnl

AC_DEFUN(AM_PATH_SDL,

[dnl 

dnl Get the cflags and libraries from the sdl-config script

dnl

AC_ARG_WITH(sdl-prefix,[  --with-sdl-prefix=PFX   Prefix where SDL is installed (optional)],

            sdl_prefix="$withval", sdl_prefix="")

AC_ARG_WITH(sdl-exec-prefix,[  --with-sdl-exec-prefix=PFX Exec prefix where SDL is installed (optional)],

            sdl_exec_prefix="$withval", sdl_exec_prefix="")

AC_ARG_ENABLE(sdltest, [  --disable-sdltest       Do not try to compile and run a test SDL program],

		    , enable_sdltest=yes)

  if test x$sdl_exec_prefix != x ; then

     sdl_args="$sdl_args --exec-prefix=$sdl_exec_prefix"

     if test x${SDL_CONFIG+set} != xset ; then

        SDL_CONFIG=$sdl_exec_prefix/bin/sdl-config

     fi

  fi

  if test x$sdl_prefix != x ; then

     sdl_args="$sdl_args --prefix=$sdl_prefix"

     if test x${SDL_CONFIG+set} != xset ; then

        SDL_CONFIG=$sdl_prefix/bin/sdl-config

     fi

  fi

  AC_PATH_PROG(SDL_CONFIG, sdl-config, no)

  min_sdl_version=ifelse([$1], ,0.11.0,$1)

  AC_MSG_CHECKING(for SDL - version >= $min_sdl_version)

  no_sdl=""

  if test "$SDL_CONFIG" = "no" ; then

    no_sdl=yes

  else

    SDL_CFLAGS=`$SDL_CONFIG $sdlconf_args --cflags`

    SDL_LIBS=`$SDL_CONFIG $sdlconf_args --libs`

    sdl_major_version=`$SDL_CONFIG $sdl_args --version | \

           sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\1/'`

    sdl_minor_version=`$SDL_CONFIG $sdl_args --version | \

           sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\2/'`

    sdl_micro_version=`$SDL_CONFIG $sdl_config_args --version | \

           sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\3/'`

    if test "x$enable_sdltest" = "xyes" ; then

      ac_save_CFLAGS="$CFLAGS"

      ac_save_LIBS="$LIBS"

      CFLAGS="$CFLAGS $SDL_CFLAGS"

      LIBS="$LIBS $SDL_LIBS"

dnl

dnl Now check if the installed SDL is sufficiently new. (Also sanity

dnl checks the results of sdl-config to some extent

dnl

      rm -f conf.sdltest

      AC_TRY_RUN([

#include <stdio.h>

#include <stdlib.h>

#include <string.h>

#include <SDL/SDL.h>

char*

my_strdup (char *str)

{

  char *new_str;

  if (str)

    {

      new_str = malloc ((strlen (str) + 1) * sizeof(char));

      strcpy (new_str, str);

    }

  else

    new_str = NULL;

  return new_str;

}

int main ()

{

  int major, minor, micro;

  char *tmp_version;

  system ("touch conf.sdltest");

  /* HP/UX 9 (%@#!) writes to sscanf strings */

  tmp_version = my_strdup("$min_sdl_version");

  if (sscanf(tmp_version, "%d.%d.%d", &major, &minor, &micro) != 3) {

     printf("%s, bad version string\n", "$min_sdl_version");

     exit(1);

   }

   if (($sdl_major_version > major) ||

      (($sdl_major_version == major) && ($sdl_minor_version > minor)) ||

      (($sdl_major_version == major) && ($sdl_minor_version == minor) && ($sdl_micro_version >= micro)))

    {

      return 0;

    }

  else

    {

      printf("\n*** 'sdl-config --version' returned %d.%d.%d, but the minimum version\n", $sdl_major_version, $sdl_minor_version, $sdl_micro_version);

      printf("*** of SDL required is %d.%d.%d. If sdl-config is correct, then it is\n", major, minor, micro);

      printf("*** best to upgrade to the required version.\n");

      printf("*** If sdl-config was wrong, set the environment variable SDL_CONFIG\n");

      printf("*** to point to the correct copy of sdl-config, and remove the file\n");

      printf("*** config.cache before re-running configure\n");

      return 1;

    }

}

],, no_sdl=yes,[echo $ac_n "cross compiling; assumed OK... $ac_c"])

       CFLAGS="$ac_save_CFLAGS"

       LIBS="$ac_save_LIBS"

     fi

  fi

  if test "x$no_sdl" = x ; then

     AC_MSG_RESULT(yes)

     ifelse([$2], , :, [$2])     

  else

     AC_MSG_RESULT(no)

     if test "$SDL_CONFIG" = "no" ; then

       echo "*** The sdl-config script installed by SDL could not be found"

       echo "*** If SDL was installed in PREFIX, make sure PREFIX/bin is in"

       echo "*** your path, or set the SDL_CONFIG environment variable to the"

       echo "*** full path to sdl-config."

     else

       if test -f conf.sdltest ; then

        :

       else

          echo "*** Could not run SDL test program, checking why..."

          CFLAGS="$CFLAGS $SDL_CFLAGS"

          LIBS="$LIBS $SDL_LIBS"

          AC_TRY_LINK([

#include <stdio.h>

#include <SDL/SDL.h>

],      [ return 0; ],

        [ echo "*** The test program compiled, but did not run. This usually means"

          echo "*** that the run-time linker is not finding SDL or finding the wrong"

          echo "*** version of SDL. If it is not finding SDL, you'll need to set your"

          echo "*** LD_LIBRARY_PATH environment variable, or edit /etc/ld.so.conf to point"

          echo "*** to the installed location  Also, make sure you have run ldconfig if that"

          echo "*** is required on your system"

	  echo "***"

          echo "*** If you have an old version installed, it is best to remove it, although"

          echo "*** you may also be able to get things to work by modifying LD_LIBRARY_PATH"],

        [ echo "*** The test program failed to compile or link. See the file config.log for the"

          echo "*** exact error that occured. This usually means SDL was incorrectly installed"

          echo "*** or that you have moved SDL since it was installed. In the latter case, you"

          echo "*** may want to edit the sdl-config script: $SDL_CONFIG" ])

          CFLAGS="$ac_save_CFLAGS"

          LIBS="$ac_save_LIBS"

       fi

     fi

     SDL_CFLAGS=""

     SDL_LIBS=""

     ifelse([$3], , :, [$3])

  fi

  AC_SUBST(SDL_CFLAGS)

  AC_SUBST(SDL_LIBS)

  rm -f conf.sdltest

])

# serial 41 AC_PROG_LIBTOOL

AC_DEFUN(AC_PROG_LIBTOOL,

[AC_REQUIRE([AC_LIBTOOL_SETUP])dnl

# Save cache, so that ltconfig can load it

AC_CACHE_SAVE

# Actually configure libtool.  ac_aux_dir is where install-sh is found.

CC="$CC" CFLAGS="$CFLAGS" CPPFLAGS="$CPPFLAGS" \

LD="$LD" LDFLAGS="$LDFLAGS" LIBS="$LIBS" \

LN_S="$LN_S" NM="$NM" RANLIB="$RANLIB" \

DLLTOOL="$DLLTOOL" AS="$AS" OBJDUMP="$OBJDUMP" \

${CONFIG_SHELL-/bin/sh} $ac_aux_dir/ltconfig --no-reexec \

$libtool_flags --no-verify --build="$build" $ac_aux_dir/ltmain.sh $host \

|| AC_MSG_ERROR([libtool configure failed])

# Reload cache, that may have been modified by ltconfig

AC_CACHE_LOAD

# This can be used to rebuild libtool when needed

LIBTOOL_DEPS="$ac_aux_dir/ltconfig $ac_aux_dir/ltmain.sh"

# Always use our own libtool.

LIBTOOL='$(SHELL) $(top_builddir)/libtool'

AC_SUBST(LIBTOOL)dnl

# Redirect the config.log output again, so that the ltconfig log is not

# clobbered by the next message.

exec 5>>./config.log

])

AC_DEFUN(AC_LIBTOOL_SETUP,

[AC_PREREQ(2.13)dnl

AC_REQUIRE([AC_ENABLE_SHARED])dnl

AC_REQUIRE([AC_ENABLE_STATIC])dnl

AC_REQUIRE([AC_ENABLE_FAST_INSTALL])dnl

AC_REQUIRE([AC_CANONICAL_HOST])dnl

AC_REQUIRE([AC_CANONICAL_BUILD])dnl

AC_REQUIRE([AC_PROG_CC])dnl

AC_REQUIRE([AC_PROG_LD])dnl

AC_REQUIRE([AC_PROG_NM])dnl

AC_REQUIRE([AC_PROG_LN_S])dnl

dnl

AC_CHECK_TOOL(RANLIB, ranlib, :)

# Check for any special flags to pass to ltconfig.

libtool_flags="--cache-file=$cache_file"

test "$enable_shared" = no && libtool_flags="$libtool_flags --disable-shared"

test "$enable_static" = no && libtool_flags="$libtool_flags --disable-static"

test "$enable_fast_install" = no && libtool_flags="$libtool_flags --disable-fast-install"

test "$ac_cv_prog_gcc" = yes && libtool_flags="$libtool_flags --with-gcc"

test "$ac_cv_prog_gnu_ld" = yes && libtool_flags="$libtool_flags --with-gnu-ld"

ifdef([AC_PROVIDE_AC_LIBTOOL_DLOPEN],

[libtool_flags="$libtool_flags --enable-dlopen"])

ifdef([AC_PROVIDE_AC_LIBTOOL_WIN32_DLL],

[libtool_flags="$libtool_flags --enable-win32-dll"])

AC_ARG_ENABLE(libtool-lock,

  [  --disable-libtool-lock  avoid locking (might break parallel builds)])

test "x$enable_libtool_lock" = xno && libtool_flags="$libtool_flags --disable-lock"

test x"$silent" = xyes && libtool_flags="$libtool_flags --silent"

AC_ARG_WITH(pic,

  [  --with-pic              try to use only PIC/non-PIC objects [default=use both]],

     pic_mode="$withval", pic_mode=default)

test x"$pic_mode" = xyes && libtool_flags="$libtool_flags --prefer-pic"

test x"$pic_mode" = xno && libtool_flags="$libtool_flags --prefer-non-pic"

# Some flags need to be propagated to the compiler or linker for good

# libtool support.

case "$host" in

*-*-irix6*)

  # Find out which ABI we are using.

  echo '[#]line __oline__ "configure"' > conftest.$ac_ext

  if AC_TRY_EVAL(ac_compile); then

    case "`/usr/bin/file conftest.o`" in

    *32-bit*)

      LD="${LD-ld} -32"

      ;;

    *N32*)

      LD="${LD-ld} -n32"

      ;;

    *64-bit*)

      LD="${LD-ld} -64"

      ;;

    esac

  fi

  rm -rf conftest*

  ;;

*-*-sco3.2v5*)

  # On SCO OpenServer 5, we need -belf to get full-featured binaries.

  SAVE_CFLAGS="$CFLAGS"

  CFLAGS="$CFLAGS -belf"

  AC_CACHE_CHECK([whether the C compiler needs -belf], lt_cv_cc_needs_belf,

    [AC_TRY_LINK([],[],[lt_cv_cc_needs_belf=yes],[lt_cv_cc_needs_belf=no])])

  if test x"$lt_cv_cc_needs_belf" != x"yes"; then

    # this is probably gcc 2.8.0, egcs 1.0 or newer; no need for -belf

    CFLAGS="$SAVE_CFLAGS"

  fi

  ;;

ifdef([AC_PROVIDE_AC_LIBTOOL_WIN32_DLL],

[*-*-cygwin* | *-*-mingw*)

  AC_CHECK_TOOL(DLLTOOL, dlltool, false)

  AC_CHECK_TOOL(AS, as, false)

  AC_CHECK_TOOL(OBJDUMP, objdump, false)

  # recent cygwin and mingw systems supply a stub DllMain which the user

  # can override, but on older systems we have to supply one

  AC_CACHE_CHECK([if libtool should supply DllMain function], lt_cv_need_dllmain,

    [AC_TRY_LINK([DllMain (0, 0, 0);],

      [extern int __attribute__((__stdcall__)) DllMain(void*, int, void*);],

      [lt_cv_need_dllmain=yes],[lt_cv_need_dllmain=no])])

  case $host in

  *-*-cygwin*)

    # cygwin systems need to pass --dll to the linker, and not link

    # crt.o which will require a WinMain@16 definition.

    lt_cv_cc_dll_switch="-Wl,--dll -nostartfiles" ;;

  *-*-mingw*)

    # old mingw systems require "-dll" to link a DLL, while more recent ones

    # require "-mdll"

    SAVE_CFLAGS="$CFLAGS"

    CFLAGS="$CFLAGS -mdll"

    AC_CACHE_CHECK([how to link DLLs], lt_cv_cc_dll_switch,

      [AC_TRY_LINK([], [], [lt_cv_cc_dll_switch=-mdll],[lt_cv_cc_dll_switch=-dll])])

    CFLAGS="$SAVE_CFLAGS" ;;

  esac

  ;;

  ])

esac

])

# AC_LIBTOOL_DLOPEN - enable checks for dlopen support

AC_DEFUN(AC_LIBTOOL_DLOPEN, [AC_BEFORE([$0],[AC_LIBTOOL_SETUP])])

# AC_LIBTOOL_WIN32_DLL - declare package support for building win32 dll's

AC_DEFUN(AC_LIBTOOL_WIN32_DLL, [AC_BEFORE([$0], [AC_LIBTOOL_SETUP])])

# AC_ENABLE_SHARED - implement the --enable-shared flag

# Usage: AC_ENABLE_SHARED[(DEFAULT)]

#   Where DEFAULT is either `yes' or `no'.  If omitted, it defaults to

#   `yes'.

AC_DEFUN(AC_ENABLE_SHARED, [dnl

define([AC_ENABLE_SHARED_DEFAULT], ifelse($1, no, no, yes))dnl

AC_ARG_ENABLE(shared,

changequote(<<, >>)dnl

<<  --enable-shared[=PKGS]  build shared libraries [default=>>AC_ENABLE_SHARED_DEFAULT],

changequote([, ])dnl

[p=${PACKAGE-default}

case "$enableval" in

yes) enable_shared=yes ;;

no) enable_shared=no ;;

*)

  enable_shared=no

  # Look at the argument we got.  We use all the common list separators.

  IFS="${IFS= 	}"; ac_save_ifs="$IFS"; IFS="${IFS}:,"

  for pkg in $enableval; do

    if test "X$pkg" = "X$p"; then

      enable_shared=yes

    fi

  done

  IFS="$ac_save_ifs"

  ;;

esac],

enable_shared=AC_ENABLE_SHARED_DEFAULT)dnl

])

# AC_DISABLE_SHARED - set the default shared flag to --disable-shared

AC_DEFUN(AC_DISABLE_SHARED, [AC_BEFORE([$0],[AC_LIBTOOL_SETUP])dnl

AC_ENABLE_SHARED(no)])

# AC_ENABLE_STATIC - implement the --enable-static flag

# Usage: AC_ENABLE_STATIC[(DEFAULT)]

#   Where DEFAULT is either `yes' or `no'.  If omitted, it defaults to

#   `yes'.

AC_DEFUN(AC_ENABLE_STATIC, [dnl

define([AC_ENABLE_STATIC_DEFAULT], ifelse($1, no, no, yes))dnl

AC_ARG_ENABLE(static,

changequote(<<, >>)dnl

<<  --enable-static[=PKGS]  build static libraries [default=>>AC_ENABLE_STATIC_DEFAULT],

changequote([, ])dnl

[p=${PACKAGE-default}

case "$enableval" in

yes) enable_static=yes ;;

no) enable_static=no ;;

*)

  enable_static=no

  # Look at the argument we got.  We use all the common list separators.

  IFS="${IFS= 	}"; ac_save_ifs="$IFS"; IFS="${IFS}:,"

  for pkg in $enableval; do

    if test "X$pkg" = "X$p"; then

      enable_static=yes

    fi

  done

  IFS="$ac_save_ifs"

  ;;

esac],

enable_static=AC_ENABLE_STATIC_DEFAULT)dnl

])

# AC_DISABLE_STATIC - set the default static flag to --disable-static

AC_DEFUN(AC_DISABLE_STATIC, [AC_BEFORE([$0],[AC_LIBTOOL_SETUP])dnl

AC_ENABLE_STATIC(no)])

# AC_ENABLE_FAST_INSTALL - implement the --enable-fast-install flag

# Usage: AC_ENABLE_FAST_INSTALL[(DEFAULT)]

#   Where DEFAULT is either `yes' or `no'.  If omitted, it defaults to

#   `yes'.

AC_DEFUN(AC_ENABLE_FAST_INSTALL, [dnl

define([AC_ENABLE_FAST_INSTALL_DEFAULT], ifelse($1, no, no, yes))dnl

AC_ARG_ENABLE(fast-install,

changequote(<<, >>)dnl

<<  --enable-fast-install[=PKGS]  optimize for fast installation [default=>>AC_ENABLE_FAST_INSTALL_DEFAULT],

changequote([, ])dnl

[p=${PACKAGE-default}

case "$enableval" in

yes) enable_fast_install=yes ;;

no) enable_fast_install=no ;;

*)

  enable_fast_install=no

  # Look at the argument we got.  We use all the common list separators.

  IFS="${IFS= 	}"; ac_save_ifs="$IFS"; IFS="${IFS}:,"

  for pkg in $enableval; do

    if test "X$pkg" = "X$p"; then

      enable_fast_install=yes

    fi

  done

  IFS="$ac_save_ifs"

  ;;

esac],

enable_fast_install=AC_ENABLE_FAST_INSTALL_DEFAULT)dnl

])

# AC_ENABLE_FAST_INSTALL - set the default to --disable-fast-install

AC_DEFUN(AC_DISABLE_FAST_INSTALL, [AC_BEFORE([$0],[AC_LIBTOOL_SETUP])dnl

AC_ENABLE_FAST_INSTALL(no)])

# AC_PROG_LD - find the path to the GNU or non-GNU linker

AC_DEFUN(AC_PROG_LD,

[AC_ARG_WITH(gnu-ld,

[  --with-gnu-ld           assume the C compiler uses GNU ld [default=no]],

test "$withval" = no || with_gnu_ld=yes, with_gnu_ld=no)

AC_REQUIRE([AC_PROG_CC])dnl

AC_REQUIRE([AC_CANONICAL_HOST])dnl

AC_REQUIRE([AC_CANONICAL_BUILD])dnl

ac_prog=ld

if test "$ac_cv_prog_gcc" = yes; then

  # Check if gcc -print-prog-name=ld gives a path.

  AC_MSG_CHECKING([for ld used by GCC])

  case $host in

  *-*-mingw*)

    # gcc leaves a trailing carriage return which upsets mingw

    ac_prog=`($CC -print-prog-name=ld) 2>&5 | tr -d '\015'` ;;

  *)

    ac_prog=`($CC -print-prog-name=ld) 2>&5` ;;

  esac

  case "$ac_prog" in

    # Accept absolute paths.

changequote(,)dnl

    [\\/]* | [A-Za-z]:[\\/]*)

      re_direlt='/[^/][^/]*/\.\./'

changequote([,])dnl

      # Canonicalize the path of ld

      ac_prog=`echo $ac_prog| sed 's%\\\\%/%g'`

      while echo $ac_prog | grep "$re_direlt" > /dev/null 2>&1; do

	ac_prog=`echo $ac_prog| sed "s%$re_direlt%/%"`

      done

      test -z "$LD" && LD="$ac_prog"

      ;;

  "")

    # If it fails, then pretend we aren't using GCC.

    ac_prog=ld

    ;;

  *)

    # If it is relative, then search for the first ld in PATH.

    with_gnu_ld=unknown

    ;;

  esac

elif test "$with_gnu_ld" = yes; then

  AC_MSG_CHECKING([for GNU ld])

else

  AC_MSG_CHECKING([for non-GNU ld])

fi

AC_CACHE_VAL(ac_cv_path_LD,

[if test -z "$LD"; then

  IFS="${IFS= 	}"; ac_save_ifs="$IFS"; IFS="${IFS}${PATH_SEPARATOR-:}"

  for ac_dir in $PATH; do

    test -z "$ac_dir" && ac_dir=.

    if test -f "$ac_dir/$ac_prog" || test -f "$ac_dir/$ac_prog$ac_exeext"; then

      ac_cv_path_LD="$ac_dir/$ac_prog"

      # Check to see if the program is GNU ld.  I'd rather use --version,

      # but apparently some GNU ld's only accept -v.

      # Break only if it was the GNU/non-GNU ld that we prefer.

      if "$ac_cv_path_LD" -v 2>&1 < /dev/null | egrep '(GNU|with BFD)' > /dev/null; then

	test "$with_gnu_ld" != no && break

      else

	test "$with_gnu_ld" != yes && break

      fi

    fi

  done

  IFS="$ac_save_ifs"

else

  ac_cv_path_LD="$LD" # Let the user override the test with a path.

fi])

LD="$ac_cv_path_LD"

if test -n "$LD"; then

  AC_MSG_RESULT($LD)

else

  AC_MSG_RESULT(no)

fi

test -z "$LD" && AC_MSG_ERROR([no acceptable ld found in \$PATH])

AC_SUBST(LD)

AC_PROG_LD_GNU

])

AC_DEFUN(AC_PROG_LD_GNU,

[AC_CACHE_CHECK([if the linker ($LD) is GNU ld], ac_cv_prog_gnu_ld,

[# I'd rather use --version here, but apparently some GNU ld's only accept -v.

if $LD -v 2>&1 </dev/null | egrep '(GNU|with BFD)' 1>&5; then

  ac_cv_prog_gnu_ld=yes

else

  ac_cv_prog_gnu_ld=no

fi])

])

# AC_PROG_NM - find the path to a BSD-compatible name lister

AC_DEFUN(AC_PROG_NM,

[AC_MSG_CHECKING([for BSD-compatible nm])

AC_CACHE_VAL(ac_cv_path_NM,

[if test -n "$NM"; then

  # Let the user override the test.

  ac_cv_path_NM="$NM"

else

  IFS="${IFS= 	}"; ac_save_ifs="$IFS"; IFS="${IFS}${PATH_SEPARATOR-:}"

  for ac_dir in $PATH /usr/ccs/bin /usr/ucb /bin; do

    test -z "$ac_dir" && ac_dir=.

    if test -f $ac_dir/nm || test -f $ac_dir/nm$ac_exeext ; then

      # Check to see if the nm accepts a BSD-compat flag.

      # Adding the `sed 1q' prevents false positives on HP-UX, which says:

      #   nm: unknown option "B" ignored

      if ($ac_dir/nm -B /dev/null 2>&1 | sed '1q'; exit 0) | egrep /dev/null >/dev/null; then

	ac_cv_path_NM="$ac_dir/nm -B"

	break

      elif ($ac_dir/nm -p /dev/null 2>&1 | sed '1q'; exit 0) | egrep /dev/null >/dev/null; then

	ac_cv_path_NM="$ac_dir/nm -p"

	break

      else

	ac_cv_path_NM=${ac_cv_path_NM="$ac_dir/nm"} # keep the first match, but

	continue # so that we can try to find one that supports BSD flags

      fi

    fi

  done

  IFS="$ac_save_ifs"

  test -z "$ac_cv_path_NM" && ac_cv_path_NM=nm

fi])

NM="$ac_cv_path_NM"

AC_MSG_RESULT([$NM])

AC_SUBST(NM)

])

# AC_CHECK_LIBM - check for math library

AC_DEFUN(AC_CHECK_LIBM,

[AC_REQUIRE([AC_CANONICAL_HOST])dnl

LIBM=

case "$host" in

*-*-beos* | *-*-cygwin*)

  # These system don't have libm

  ;;

*-ncr-sysv4.3*)

  AC_CHECK_LIB(mw, _mwvalidcheckl, LIBM="-lmw")

  AC_CHECK_LIB(m, main, LIBM="$LIBM -lm")

  ;;

*)

  AC_CHECK_LIB(m, main, LIBM="-lm")

  ;;

esac

])

# AC_LIBLTDL_CONVENIENCE[(dir)] - sets LIBLTDL to the link flags for

# the libltdl convenience library, adds --enable-ltdl-convenience to

# the configure arguments.  Note that LIBLTDL is not AC_SUBSTed, nor

# is AC_CONFIG_SUBDIRS called.  If DIR is not provided, it is assumed

# to be `${top_builddir}/libltdl'.  Make sure you start DIR with

# '${top_builddir}/' (note the single quotes!) if your package is not

# flat, and, if you're not using automake, define top_builddir as

# appropriate in the Makefiles.

AC_DEFUN(AC_LIBLTDL_CONVENIENCE, [AC_BEFORE([$0],[AC_LIBTOOL_SETUP])dnl

  case "$enable_ltdl_convenience" in

  no) AC_MSG_ERROR([this package needs a convenience libltdl]) ;;

  "") enable_ltdl_convenience=yes

      ac_configure_args="$ac_configure_args --enable-ltdl-convenience" ;;

  esac

  LIBLTDL=ifelse($#,1,$1,['${top_builddir}/libltdl'])/libltdlc.la

  INCLTDL=ifelse($#,1,-I$1,['-I${top_builddir}/libltdl'])

])

# AC_LIBLTDL_INSTALLABLE[(dir)] - sets LIBLTDL to the link flags for

# the libltdl installable library, and adds --enable-ltdl-install to

# the configure arguments.  Note that LIBLTDL is not AC_SUBSTed, nor

# is AC_CONFIG_SUBDIRS called.  If DIR is not provided, it is assumed

# to be `${top_builddir}/libltdl'.  Make sure you start DIR with

# '${top_builddir}/' (note the single quotes!) if your package is not

# flat, and, if you're not using automake, define top_builddir as

# appropriate in the Makefiles.

# In the future, this macro may have to be called after AC_PROG_LIBTOOL.

AC_DEFUN(AC_LIBLTDL_INSTALLABLE, [AC_BEFORE([$0],[AC_LIBTOOL_SETUP])dnl

  AC_CHECK_LIB(ltdl, main,

  [test x"$enable_ltdl_install" != xyes && enable_ltdl_install=no],

  [if test x"$enable_ltdl_install" = xno; then

     AC_MSG_WARN([libltdl not installed, but installation disabled])

   else

     enable_ltdl_install=yes

   fi

  ])

  if test x"$enable_ltdl_install" = x"yes"; then

    ac_configure_args="$ac_configure_args --enable-ltdl-install"

    LIBLTDL=ifelse($#,1,$1,['${top_builddir}/libltdl'])/libltdl.la

    INCLTDL=ifelse($#,1,-I$1,['-I${top_builddir}/libltdl'])

  else

    ac_configure_args="$ac_configure_args --enable-ltdl-install=no"

    LIBLTDL="-lltdl"

    INCLTDL=

  fi

])

dnl old names

AC_DEFUN(AM_PROG_LIBTOOL, [indir([AC_PROG_LIBTOOL])])dnl

AC_DEFUN(AM_ENABLE_SHARED, [indir([AC_ENABLE_SHARED], $@)])dnl

AC_DEFUN(AM_ENABLE_STATIC, [indir([AC_ENABLE_STATIC], $@)])dnl

AC_DEFUN(AM_DISABLE_SHARED, [indir([AC_DISABLE_SHARED], $@)])dnl

AC_DEFUN(AM_DISABLE_STATIC, [indir([AC_DISABLE_STATIC], $@)])dnl

AC_DEFUN(AM_PROG_LD, [indir([AC_PROG_LD])])dnl

AC_DEFUN(AM_PROG_NM, [indir([AC_PROG_NM])])dnl

dnl This is just to silence aclocal about the macro not being used

ifelse([AC_DISABLE_FAST_INSTALL])dnl

# Do all the work for Automake.  This macro actually does too much --

# some checks are only needed if your package does certain things.

# But this isn't really a big deal.

# serial 1

dnl Usage:

dnl AM_INIT_AUTOMAKE(package,version, [no-define])

AC_DEFUN(AM_INIT_AUTOMAKE,

[AC_REQUIRE([AC_PROG_INSTALL])

PACKAGE=[$1]

AC_SUBST(PACKAGE)

VERSION=[$2]

AC_SUBST(VERSION)

dnl test to see if srcdir already configured

if test "`cd $srcdir && pwd`" != "`pwd`" && test -f $srcdir/config.status; then

  AC_MSG_ERROR([source directory already configured; run "make distclean" there first])

fi

ifelse([$3],,

AC_DEFINE_UNQUOTED(PACKAGE, "$PACKAGE", [Name of package])

AC_DEFINE_UNQUOTED(VERSION, "$VERSION", [Version number of package]))

AC_REQUIRE([AM_SANITY_CHECK])

AC_REQUIRE([AC_ARG_PROGRAM])

dnl FIXME This is truly gross.

missing_dir=`cd $ac_aux_dir && pwd`

AM_MISSING_PROG(ACLOCAL, aclocal, $missing_dir)

AM_MISSING_PROG(AUTOCONF, autoconf, $missing_dir)

AM_MISSING_PROG(AUTOMAKE, automake, $missing_dir)

AM_MISSING_PROG(AUTOHEADER, autoheader, $missing_dir)

AM_MISSING_PROG(MAKEINFO, makeinfo, $missing_dir)

AC_REQUIRE([AC_PROG_MAKE_SET])])

#

# Check to make sure that the build environment is sane.

#

AC_DEFUN(AM_SANITY_CHECK,

[AC_MSG_CHECKING([whether build environment is sane])

# Just in case

sleep 1

echo timestamp > conftestfile

# Do `set' in a subshell so we don't clobber the current shell's

# arguments.  Must try -L first in case configure is actually a

# symlink; some systems play weird games with the mod time of symlinks

# (eg FreeBSD returns the mod time of the symlink's containing

# directory).

if (

   set X `ls -Lt $srcdir/configure conftestfile 2> /dev/null`

   if test "[$]*" = "X"; then

      # -L didn't work.

      set X `ls -t $srcdir/configure conftestfile`

   fi

   if test "[$]*" != "X $srcdir/configure conftestfile" \

      && test "[$]*" != "X conftestfile $srcdir/configure"; then

      # If neither matched, then we have a broken ls.  This can happen

      # if, for instance, CONFIG_SHELL is bash and it inherits a

      # broken ls alias from the environment.  This has actually

      # happened.  Such a system could not be considered "sane".

      AC_MSG_ERROR([ls -t appears to fail.  Make sure there is not a broken

alias in your environment])

   fi

   test "[$]2" = conftestfile

   )

then

   # Ok.

   :

else

   AC_MSG_ERROR([newly created file is older than distributed files!

Check your system clock])

fi

rm -f conftest*

AC_MSG_RESULT(yes)])

dnl AM_MISSING_PROG(NAME, PROGRAM, DIRECTORY)

dnl The program must properly implement --version.

AC_DEFUN(AM_MISSING_PROG,

[AC_MSG_CHECKING(for working $2)

# Run test in a subshell; some versions of sh will print an error if

# an executable is not found, even if stderr is redirected.

# Redirect stdin to placate older versions of autoconf.  Sigh.

if ($2 --version) < /dev/null > /dev/null 2>&1; then

   $1=$2

   AC_MSG_RESULT(found)

else

   $1="$3/missing $2"

   AC_MSG_RESULT(missing)

fi

AC_SUBST($1)])

# Define a conditional.

AC_DEFUN(AM_CONDITIONAL,

[AC_SUBST($1_TRUE)

AC_SUBST($1_FALSE)

if $2; then

  $1_TRUE=

  $1_FALSE='#'

else

  $1_TRUE='#'

  $1_FALSE=

fi])