aclocal.m4

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dnl
dnl Permission to use, copy, modify, distribute, and sell this file for any 
dnl purpose is hereby granted without fee, provided that the above copyright 
dnl and this permission notice appear in all copies.  No representations are
dnl made about the suitability of this software for any purpose.  It is 
dnl provided "as is" without express or implied warranty.
dnl
AC_DEFUN([AC_C99_FUNC_LLRINT],
[AC_CACHE_CHECK(for llrint,
  ac_cv_c99_llrint,
[
llrint_save_CFLAGS=$CFLAGS
CFLAGS="-O2 -lm"
AC_TRY_LINK([
#define		_ISOC9X_SOURCE	1
#define 	_ISOC99_SOURCE	1
#define		__USE_ISOC99	1
#define 	__USE_ISOC9X	1

#include <math.h>
#include <stdint.h>
], int64_t	x ; x = llrint(3.14159) ;, ac_cv_c99_llrint=yes, ac_cv_c99_llrint=no)

CFLAGS=$llrint_save_CFLAGS

])

if test "$ac_cv_c99_llrint" = yes; then
  AC_DEFINE(HAVE_LLRINT, 1,
            [Define if you have C99's llrint function.])
fi
])# AC_C99_FUNC_LLRINT



dnl @synopsis AC_C_CLIP_MODE
dnl
dnl Determine the clipping mode when converting float to int.
dnl @version 1.0	May 17 2003
dnl @author Erik de Castro Lopo <erikd AT mega-nerd DOT com>
dnl
dnl Permission to use, copy, modify, distribute, and sell this file for any 
dnl purpose is hereby granted without fee, provided that the above copyright 
dnl and this permission notice appear in all copies.  No representations are
dnl made about the suitability of this software for any purpose.  It is 
dnl provided "as is" without express or implied warranty.



dnl Find the clipping mode in the following way:
dnl    1) If we are not cross compiling test it.
dnl    2) IF we are cross compiling, assume that clipping isn't done correctly.

AC_DEFUN([AC_C_CLIP_MODE],
[AC_CACHE_CHECK(processor clipping capabilities, 
	ac_cv_c_clip_type,

# Initialize to unknown
ac_cv_c_clip_positive=unknown
ac_cv_c_clip_negative=unknown

if test $ac_cv_c_clip_positive = unknown ; then
	AC_TRY_RUN(
	[[
	#define	_ISOC9X_SOURCE	1
	#define _ISOC99_SOURCE	1
	#define	__USE_ISOC99	1
	#define __USE_ISOC9X	1
	#include <math.h>
	int main (void)
	{	double	fval ;
		int k, ival ;

		fval = 1.0 * 0x7FFFFFFF ;
		for (k = 0 ; k < 100 ; k++)
		{	ival = (lrint (fval)) >> 24 ;
			if (ival != 127)
				return 1 ;
		
			fval *= 1.2499999 ;
			} ;
		
			return 0 ;
		}
		]],
		ac_cv_c_clip_positive=yes,
		ac_cv_c_clip_positive=no,
		ac_cv_c_clip_positive=unknown
		)

	AC_TRY_RUN(
	[[
	#define	_ISOC9X_SOURCE	1
	#define _ISOC99_SOURCE	1
	#define	__USE_ISOC99	1
	#define __USE_ISOC9X	1
	#include <math.h>
	int main (void)
	{	double	fval ;
		int k, ival ;

		fval = -8.0 * 0x10000000 ;
		for (k = 0 ; k < 100 ; k++)
		{	ival = (lrint (fval)) >> 24 ;
			if (ival != -128)
				return 1 ;
		
			fval *= 1.2499999 ;
			} ;
		
			return 0 ;
		}
		]],
		ac_cv_c_clip_negative=yes,
		ac_cv_c_clip_negative=no,
		ac_cv_c_clip_negative=unknown
		)
	fi

if test $ac_cv_c_clip_positive = yes ; then
	ac_cv_c_clip_positive=1
else
	ac_cv_c_clip_positive=0
	fi

if test $ac_cv_c_clip_negative = yes ; then
	ac_cv_c_clip_negative=1
else
	ac_cv_c_clip_negative=0
	fi

[[
case "$ac_cv_c_clip_positive$ac_cv_c_clip_negative" in
	"00")
		ac_cv_c_clip_type="none"
		;;
	"10")
		ac_cv_c_clip_type="positive"
		;;
	"01")
		ac_cv_c_clip_type="negative"
		;;
	"11")
		ac_cv_c_clip_type="both"
		;;
	esac
	]]

)
]

)# AC_C_CLIP_MODE




ifelse(dnl	

 Do not edit or modify anything in this comment block.
 The arch-tag line is a file identity tag for the GNU Arch 
 revision control system.

 arch-tag: bc38294d-bb5c-42ad-90b9-779def5eaab7

)dnl

# Do all the work for Automake.                            -*- Autoconf -*-

# 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.

# Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003
# Free Software Foundation, Inc.

# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2, or (at your option)
# any later version.

# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.

# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
# 02111-1307, USA.

# serial 10

AC_PREREQ([2.54])

# Autoconf 2.50 wants to disallow AM_ names.  We explicitly allow
# the ones we care about.
m4_pattern_allow([^AM_[A-Z]+FLAGS$])dnl

# AM_INIT_AUTOMAKE(PACKAGE, VERSION, [NO-DEFINE])
# AM_INIT_AUTOMAKE([OPTIONS])
# -----------------------------------------------
# The call with PACKAGE and VERSION arguments is the old style
# call (pre autoconf-2.50), which is being phased out.  PACKAGE
# and VERSION should now be passed to AC_INIT and removed from
# the call to AM_INIT_AUTOMAKE.
# We support both call styles for the transition.  After
# the next Automake release, Autoconf can make the AC_INIT
# arguments mandatory, and then we can depend on a new Autoconf
# release and drop the old call support.
AC_DEFUN([AM_INIT_AUTOMAKE],
[AC_REQUIRE([AM_SET_CURRENT_AUTOMAKE_VERSION])dnl
 AC_REQUIRE([AC_PROG_INSTALL])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

# test whether we have cygpath
if test -z "$CYGPATH_W"; then
  if (cygpath --version) >/dev/null 2>/dev/null; then
    CYGPATH_W='cygpath -w'
  else
    CYGPATH_W=echo
  fi
fi
AC_SUBST([CYGPATH_W])

# Define the identity of the package.
dnl Distinguish between old-style and new-style calls.
m4_ifval([$2],
[m4_ifval([$3], [_AM_SET_OPTION([no-define])])dnl
 AC_SUBST([PACKAGE], [$1])dnl
 AC_SUBST([VERSION], [$2])],
[_AM_SET_OPTIONS([$1])dnl
 AC_SUBST([PACKAGE], ['AC_PACKAGE_TARNAME'])dnl
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_AM_IF_OPTION([no-define],,
[AC_DEFINE_UNQUOTED(PACKAGE, "$PACKAGE", [Name of package])
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# Some tools Automake needs.
AC_REQUIRE([AM_SANITY_CHECK])dnl
AC_REQUIRE([AC_ARG_PROGRAM])dnl
AM_MISSING_PROG(ACLOCAL, aclocal-${am__api_version})
AM_MISSING_PROG(AUTOCONF, autoconf)
AM_MISSING_PROG(AUTOMAKE, automake-${am__api_version})
AM_MISSING_PROG(AUTOHEADER, autoheader)
AM_MISSING_PROG(MAKEINFO, makeinfo)
AM_MISSING_PROG(AMTAR, tar)
AM_PROG_INSTALL_SH
AM_PROG_INSTALL_STRIP
# We need awk for the "check" target.  The system "awk" is bad on
# some platforms.
AC_REQUIRE([AC_PROG_AWK])dnl
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AC_REQUIRE([AM_SET_LEADING_DOT])dnl

_AM_IF_OPTION([no-dependencies],,
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AC_PROVIDE_IFELSE([AC_PROG_CXX],
                  [_AM_DEPENDENCIES(CXX)],
                  [define([AC_PROG_CXX],
                          defn([AC_PROG_CXX])[_AM_DEPENDENCIES(CXX)])])dnl
])
])


# When config.status generates a header, we must update the stamp-h file.
# This file resides in the same directory as the config header
# that is generated.  The stamp files are numbered to have different names.

# Autoconf calls _AC_AM_CONFIG_HEADER_HOOK (when defined) in the
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AC_DEFUN([_AC_AM_CONFIG_HEADER_HOOK],
[# Compute $1's index in $config_headers.
_am_stamp_count=1
for _am_header in $config_headers :; do
  case $_am_header in
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      break ;;
    * )
      _am_stamp_count=`expr $_am_stamp_count + 1` ;;
  esac
done
echo "timestamp for $1" >`AS_DIRNAME([$1])`/stamp-h[]$_am_stamp_count])

# Copyright 2002  Free Software Foundation, Inc.

# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2, or (at your option)
# any later version.

# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.

# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA

# AM_AUTOMAKE_VERSION(VERSION)
# ----------------------------
# Automake X.Y traces this macro to ensure aclocal.m4 has been
# generated from the m4 files accompanying Automake X.Y.
AC_DEFUN([AM_AUTOMAKE_VERSION],[am__api_version="1.7"])

# AM_SET_CURRENT_AUTOMAKE_VERSION
# -------------------------------
# Call AM_AUTOMAKE_VERSION so it can be traced.
# This function is AC_REQUIREd by AC_INIT_AUTOMAKE.
AC_DEFUN([AM_SET_CURRENT_AUTOMAKE_VERSION],
	 [AM_AUTOMAKE_VERSION([1.7.6])])

# Helper functions for option handling.                    -*- Autoconf -*-

# Copyright 2001, 2002  Free Software Foundation, Inc.

# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2, or (at your option)
# any later version.

# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.

# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
# 02111-1307, USA.

# serial 2

# _AM_MANGLE_OPTION(NAME)
# -----------------------
AC_DEFUN([_AM_MANGLE_OPTION],
[[_AM_OPTION_]m4_bpatsubst($1, [[^a-zA-Z0-9_]], [_])])

# _AM_SET_OPTION(NAME)
# ------------------------------
# Set option NAME.  Presently that only means defining a flag for this option.
AC_DEFUN([_AM_SET_OPTION],
[m4_define(_AM_MANGLE_OPTION([$1]), 1)])

# _AM_SET_OPTIONS(OPTIONS)
# ----------------------------------
# OPTIONS is a space-separated list of Automake options.
AC_DEFUN([_AM_SET_OPTIONS],
[AC_FOREACH([_AM_Option], [$1], [_AM_SET_OPTION(_AM_Option)])])

# _AM_IF_OPTION(OPTION, IF-SET, [IF-NOT-SET])
# -------------------------------------------
# Execute IF-SET if OPTION is set, IF-NOT-SET otherwise.
AC_DEFUN([_AM_IF_OPTION],
[m4_ifset(_AM_MANGLE_OPTION([$1]), [$2], [$3])])

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

# Copyright 1996, 1997, 2000, 2001 Free Software Foundation, Inc.

# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2, or (at your option)
# any later version.

# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.

# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
# 02111-1307, USA.

# serial 3

# AM_SANITY_CHECK
# ---------------
AC_DEFUN([AM_SANITY_CHECK],
[AC_MSG_CHECKING([whether build environment is sane])
# Just in case
sleep 1
echo timestamp > conftest.file
# 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 $srcdir/configure conftest.file 2> /dev/null`
   if test "$[*]" = "X"; then
      # -L didn't work.
      set X `ls -t $srcdir/configure conftest.file`
   fi
   rm -f conftest.file
   if test "$[*]" != "X $srcdir/configure conftest.file" \
      && test "$[*]" != "X conftest.file $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