[Mplayer-cvslog] CVS: mpg12play/mpeg2dec AUTHORS,NONE,1.1 COPYING,NONE,1.1 ChangeLog,NONE,1.1 INSTALL,NONE,1.1 Makefile.am,NONE,1.1 Makefile.in,NONE,1.1 NEWS,NONE,1.1 README,NONE,1.1 TODO,NONE,1.1 acinclude.m4,NONE,1.1 aclocal.m4,NONE,1.1 bootstrap,NONE,1.1 configure,NONE,1.1 configure.in,NONE,1.1

Gernot Ziegler madmac at users.sourceforge.net
Thu May 24 15:31:06 CEST 2001


Update of /cvsroot/mplayer/mpg12play/mpeg2dec
In directory usw-pr-cvs1:/tmp/cvs-serv2994/mpeg2dec

Added Files:
	AUTHORS COPYING ChangeLog INSTALL Makefile.am Makefile.in NEWS 
	README TODO acinclude.m4 aclocal.m4 bootstrap configure 
	configure.in 
Log Message:
New mpegp version - only once.

--- NEW FILE ---
Aaron Holtzman <aholtzma at ess.engr.uvic.ca> started the project and
made the initial working implementation.

Michel Lespinasse <walken at zoy.org> did large changes for speed and
mpeg conformance and is the current maintainer.

Other contributors include :

	Bruno Barreyra <barreyra at ufl.edu> - build fixes
	Stephen Crowley <stephenc at dns2.digitalpassage.com> - build fixes
	Didier Gautheron <dgautheron at magic.fr> - bug fixes
	Ryan C. Gordon <icculus at lokigames.com> - SDL support
	Peter Gubanov <peter at elecard.net.ru> - MMX IDCT scheduling
	H}kan Hjort <d95hjort at dtek.chalmers.se> - Solaris fixes, mlib code
	Gerd Knorr <kraxel at goldbach.in-berlin.de> - Xv support
	David I. Lehn <dlehn at vt.edu> - motion_comp mmx code
	Olie Lho <ollie at sis.com.tw> - MMX yuv2rgb routine
	Rick Niles <niles at scyld.com> - build fixes
	Real Ouellet <realo at sympatico.ca> - g200 fixes
	Bajusz Peter <hyp-x at inf.bme.hu> - motion comp fixes
	Franck Sicard <Franck.Sicard at miniruth.solsoft.fr> - x11 fixes
	Brion Vibber <brion at gizmo.usc.edu> - x11 fixes
	Martin Vogt <mvogt at rhrk.uni-kl.de> - reentrancy fixes
	Fredrik Vraalsen <vraalsen at cs.uiuc.edu> - general hackage and stuff

(let me know if I forgot anyone)

--- NEW FILE ---
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--- NEW FILE ---
mpeg2dec-0.2.0 Thu Feb 15 20:12:34 PST 2001
-support for field pictures
-new 3Dnow/SSE accelerations for motion compensation and color conversion
-full libmpeg2 and libvo reentrancy
-various portability enhancements - from big iron to embedded to windows
-major libvo rewrite - new API more adapted to synchro and speed enhancements
-pgmpipe output for piping with other programs
-make install actually installs
-various cleanups - including removal of the infamous HACK_MODE

mpeg2dec-0.1.7 Thu Nov  2 21:38:33 PST 2000
-fix the solaris mlib code back bup
-added Xv support
-major cruft removal
-cleanup on motion_comp
-remove mb_buffer goofiness
-new yuv2rgb code
-SDL display code added
-faster motion_comp_c code
-moved codec, display code into separate libraries
-test suite
-lots of conformance fixes
-rewrite of the parsing code
-MMX/SSE runtime detection and support
-new configuration code

mpeg2dec-0.1.6 Wed Mar 22 09:45:44 PST 2000
-enhanced g200 
-solaris fixes
-inlined, rewritten bitstream code (much faster now)
-moved colorspace conversion code into yuv2rgb.c

mpeg2dec-0.1.5  Mon Dec 13 23:08:43 EST 1999
-numerous bugfixes to mga_vid and x11 displays.
-fix clipping in motion_comp
-fix interlaced macroblocks in frame pictures
-add preliminary MMX support

mpeg2dec-0.1.4  Fri Dec 10 00:28:43 EST 1999
-New bitstream interface
-fixed screwy first macroblock
-fixed mga_vid build problems
-fixed pale x11 output

mpeg2dec-0.1.3 Mon Dec  6 19:18:57 EST 1999
-fixed Invalid macroblock type bug.
-fixed Makefile for mga_vid

mpeg2dec-0.1.2 Mon Dec  6 19:18:57 EST 1999
-fixed AC coefficient bug. Output looks pretty
 now.
-inv_quantize code moved into parse.

mpeg2dec-0.1.1 Sun Dec  5 19:18:57 EST 1999
-added X11 display interface
-fixed minor bug mga_vid init bug

mpeg2dec-0.1.0 Sun Dec  5 01:18:57 EST 1999
-First release

--- NEW FILE ---
./configure
make
make install

If you install from CVS you'll have to run ./bootstrap first

--- NEW FILE ---
SUBDIRS = autotools include test doc libmpeg2 libvo src

EXTRA_DIST = bootstrap

--- NEW FILE ---
# Makefile.in generated automatically by automake 1.4 from Makefile.am

# Copyright (C) 1994, 1995-8, 1999 Free Software Foundation, Inc.
# This Makefile.in is free software; the Free Software Foundation
# gives unlimited permission to copy and/or distribute it,
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# This program is distributed in the hope that it will be useful,
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all-recursive install-data-recursive install-exec-recursive \
installdirs-recursive install-recursive uninstall-recursive  \
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maintainer-clean-recursive:
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	  || (cd $(srcdir) && etags $(ETAGS_ARGS) $$tags  $$unique $(LISP) -o $$here/TAGS)

mostlyclean-tags:

clean-tags:

distclean-tags:
	-rm -f TAGS ID

maintainer-clean-tags:

distdir = $(PACKAGE)-$(VERSION)
top_distdir = $(distdir)

# This target untars the dist file and tries a VPATH configuration.  Then
# it guarantees that the distribution is self-contained by making another
# tarfile.
distcheck: dist
	-rm -rf $(distdir)
	GZIP=$(GZIP_ENV) $(TAR) zxf $(distdir).tar.gz
	mkdir $(distdir)/=build
	mkdir $(distdir)/=inst
	dc_install_base=`cd $(distdir)/=inst && pwd`; \
	cd $(distdir)/=build \
	  && ../configure --srcdir=.. --prefix=$$dc_install_base \
	  && $(MAKE) $(AM_MAKEFLAGS) \
	  && $(MAKE) $(AM_MAKEFLAGS) dvi \
	  && $(MAKE) $(AM_MAKEFLAGS) check \
	  && $(MAKE) $(AM_MAKEFLAGS) install \
	  && $(MAKE) $(AM_MAKEFLAGS) installcheck \
	  && $(MAKE) $(AM_MAKEFLAGS) dist
	-rm -rf $(distdir)
	@banner="$(distdir).tar.gz is ready for distribution"; \
	dashes=`echo "$$banner" | sed s/./=/g`; \
	echo "$$dashes"; \
	echo "$$banner"; \
	echo "$$dashes"
dist: distdir
	-chmod -R a+r $(distdir)
	GZIP=$(GZIP_ENV) $(TAR) chozf $(distdir).tar.gz $(distdir)
	-rm -rf $(distdir)
dist-all: distdir
	-chmod -R a+r $(distdir)
	GZIP=$(GZIP_ENV) $(TAR) chozf $(distdir).tar.gz $(distdir)
	-rm -rf $(distdir)
distdir: $(DISTFILES)
	-rm -rf $(distdir)
	mkdir $(distdir)
	-chmod 777 $(distdir)
	here=`cd $(top_builddir) && pwd`; \
	top_distdir=`cd $(distdir) && pwd`; \
	distdir=`cd $(distdir) && pwd`; \
	cd $(top_srcdir) \
	  && $(AUTOMAKE) --include-deps --build-dir=$$here --srcdir-name=$(top_srcdir) --output-dir=$$top_distdir --gnu Makefile
	@for file in $(DISTFILES); do \
	  d=$(srcdir); \
	  if test -d $$d/$$file; then \
	    cp -pr $$/$$file $(distdir)/$$file; \
	  else \
	    test -f $(distdir)/$$file \
	    || ln $$d/$$file $(distdir)/$$file 2> /dev/null \
	    || cp -p $$d/$$file $(distdir)/$$file || :; \
	  fi; \
	done
	for subdir in $(SUBDIRS); do \
	  if test "$$subdir" = .; then :; else \
	    test -d $(distdir)/$$subdir \
	    || mkdir $(distdir)/$$subdir \
	    || exit 1; \
	    chmod 777 $(distdir)/$$subdir; \
	    (cd $$subdir && $(MAKE) $(AM_MAKEFLAGS) top_distdir=../$(distdir) distdir=../$(distdir)/$$subdir distdir) \
	      || exit 1; \
	  fi; \
	done
info-am:
info: info-recursive
dvi-am:
dvi: dvi-recursive
check-am: all-am
check: check-recursive
installcheck-am:
installcheck: installcheck-recursive
install-exec-am:
install-exec: install-exec-recursive

install-data-am:
install-data: install-data-recursive

install-am: all-am
	@$(MAKE) $(AM_MAKEFLAGS) install-exec-am install-data-am
install: install-recursive
uninstall-am:
uninstall: uninstall-recursive
all-am: Makefile
all-redirect: all-recursive
install-strip:
	$(MAKE) $(AM_MAKEFLAGS) AM_INSTALL_PROGRAM_FLAGS=-s install
installdirs: installdirs-recursive
installdirs-am:


mostlyclean-generic:

clean-generic:

distclean-generic:
	-rm -f Makefile $(CONFIG_CLEAN_FILES)
	-rm -f config.cache config.log stamp-h stamp-h[0-9]*

maintainer-clean-generic:
mostlyclean-am:  mostlyclean-tags mostlyclean-generic

mostlyclean: mostlyclean-recursive

clean-am:  clean-tags clean-generic mostlyclean-am

clean: clean-recursive

distclean-am:  distclean-tags distclean-generic clean-am
	-rm -f libtool

distclean: distclean-recursive
	-rm -f config.status

maintainer-clean-am:  maintainer-clean-tags maintainer-clean-generic \
		distclean-am
	@echo "This command is intended for maintainers to use;"
	@echo "it deletes files that may require special tools to rebuild."

maintainer-clean: maintainer-clean-recursive
	-rm -f config.status

.PHONY: install-data-recursive uninstall-data-recursive \
install-exec-recursive uninstall-exec-recursive installdirs-recursive \
uninstalldirs-recursive all-recursive check-recursive \
installcheck-recursive info-recursive dvi-recursive \
mostlyclean-recursive distclean-recursive clean-recursive \
maintainer-clean-recursive tags tags-recursive mostlyclean-tags \
distclean-tags clean-tags maintainer-clean-tags distdir info-am info \
dvi-am dvi check check-am installcheck-am installcheck install-exec-am \
install-exec install-data-am install-data install-am install \
uninstall-am uninstall all-redirect all-am all installdirs-am \
installdirs mostlyclean-generic distclean-generic clean-generic \
maintainer-clean-generic clean mostlyclean distclean maintainer-clean


# Tell versions [3.59,3.63) of GNU make to not export all variables.
# Otherwise a system limit (for SysV at least) may be exceeded.
.NOEXPORT:

--- NEW FILE ---
mpeg2dec-0.2.0 Thu Feb 15 20:12:34 PST 2001 

The most important new feature is the support for field
pictures. mpeg2dec is now able to display any conformant
"main profile @ main level" mpeg-2 stream. This means any
stream you should actually encounter in practice :)

We also added some more accelerations for motion compensation and
color conversion - 3Dnow and SSE. Non-x86 accelerations would be
welcome - patches anyone ?

libmpeg2 and libvo are now fully reentrant. This will enable other
projects to reuse the mpeg2dec codebase without patches. For the same
reason we added support for "make install"

Libvo has been switched to a new API. The immediate advantage is that
it allowed us to get rid of the "HACK_MODE" setting - you really dont
want to know. In the future this will also help a lot with the
implementation of synchro.

Portability enhancements - including support for win32 DLLs. This was
done to get into the hearts of a few more developpers :)


mpeg2dec-0.1.7 Thu Nov  2 21:38:33 PST 2000

First release since march ! Lots of new features : improved
performance, mpeg-1 and mpeg-2 support, integrated demuxer, standards
compliance.

The major missing feature is mpeg-2 field pictures, this is planned
for mpeg2dec-0.2.0

--- NEW FILE ---


ABOUT MPEG2DEC

mpeg2dec is an mpeg-1 and mpeg-2 video decoder. It is purposely kept
simple : it does not include features like reading files from a DVD,
CSS, fullscreen output, navigation, etc... The main purpose of
mpeg2dec is to have a simple test bed for libmpeg2. mpeg2dec also
includes a demultiplexer for mpeg-1 and mpeg-2 program streams, and
output routines for a variety of different interfaces.

In the future mpeg2dec is expected to include support for
synchronization too (playing streams at the right speed would be a
good start)

mpeg2dec and libmpeg2 are released under the GPL license.

The project homepage is at http://www.linuxvideo.org/mpeg2dec/


LIBMPEG2

libmpeg2 is the heart of the mpeg decoder. It should be able to decode
all mpeg streams that conform to certain restrictions : "constrained
parameters" for mpeg-1, and "main profile" for mpeg-2. In practice,
this is sufficient for most applications - I have not heard of any
commercial application actually using the higher mpeg profiles. For
streams that follow these restrictions, we are 100% conformant to the
mpeg standard.

The speed is good too - for most current systems, the display will
actually take more time than the mpeg-2 decoding. For systems that
have hardware color conversion and scaling (as we can use with the xv
extension in Xfree 4), you should be able to watch DVD streams on a
Celeron 400. On a PIII/666 with null display you should get about 110
frames per second.

The code is mostly written in C, with some time-critical routines
having optimized implementations using assembly language or mlib
calls. It should be portable on all architectures - it has been tested
at least on x86, ppc, sparc, arm and sh4. Optimized implementations
are only available for x86 yet, but we'd like to get them for other
architectures soon.


USAGE

The basic usage is to just type "mpeg2dec file" where file is an
mpeg-1 or mpeg-2 video file.

The "-s" option must be used for multiplexed (audio and video)
files. These files are usualy found on the internet or on unencrypted
DVDs.

The "-o" option is used to select a given output layer. By default
mpeg2dec should select the right output layer (x11, sdl, whatever) but
you can try other choices using this option. This is mainly used for
performance testing and conformance testing.


CVS REPOSITORY

The latest mpeg2dec source code can always be found by anonymous CVS
at cvs.linuxvideo.org:/cvs/livid :

# export CVSROOT=:pserver:anonymous at cvs.linuxvideo.org:/cvs/livid
# cvs login (Just press Return when prompted for a password)
# cvs checkout mpeg2dec

You can also browse the latest changes online at
http://www.linuxvideo.org/developer/viewcvs.cgi/mpeg2dec/

There is an mpeg2dec test suite based on the official mpeg2
conformance tests, you can get it in the mpeg2dec-streams CVS module :

# cvs checkout mpeg2dec-streams

Daily mpeg2dec CVS snapshots are also available at
http://www.linuxvideo.org/developer/data/mpeg2dec.tar.gz


OTHER PROJECTS USING LIBMPEG2

OMS (http://www.linuxvideo.org/oms/) is a full-featured DVD player
project.

xine (http://xine.sourceforge.net/) is a simple mpeg-2 audio and video
decoder. It has less features than OMS but it is easier to work
with. It is a great test bed for audio/video synchronisation issues
too.

gsstreamer (http://www.gstreamer.net/) is a streaming media framework;
it has an mpeg2 decoding plugin based on libmpeg2.

MPlayer (http://banki1.banki.hu/~arpi/MPlayer.html) has no fancy GUI
but it is particularly good at playing damaged streams.


CONTRIBUTORS

Aaron Holtzman <aholtzma at ess.engr.uvic.ca> started the project and
made the initial working implementation.

Michel Lespinasse <walken at zoy.org> did large changes for speed and
mpeg conformance and is the current maintainer.

Other contributors include :

	Bruno Barreyra <barreyra at ufl.edu> - build fixes
	Stephen Crowley <stephenc at dns2.digitalpassage.com> - build fixes
	Didier Gautheron <dgautheron at magic.fr> - bug fixes
	Ryan C. Gordon <icculus at lokigames.com> - SDL support
	Peter Gubanov <peter at elecard.net.ru> - MMX IDCT scheduling
	H}kan Hjort <d95hjort at dtek.chalmers.se> - Solaris fixes, mlib code
	Gerd Knorr <kraxel at goldbach.in-berlin.de> - Xv support
	David I. Lehn <dlehn at vt.edu> - motion_comp mmx code
	Olie Lho <ollie at sis.com.tw> - MMX yuv2rgb routine
	Rick Niles <niles at scyld.com> - build fixes
	Real Ouellet <realo at sympatico.ca> - g200 fixes
	Bajusz Peter <hyp-x at inf.bme.hu> - motion comp fixes
	Franck Sicard <Franck.Sicard at miniruth.solsoft.fr> - x11 fixes
	Brion Vibber <brion at gizmo.usc.edu> - x11 fixes
	Martin Vogt <mvogt at rhrk.uni-kl.de> - reentrancy fixes
	Fredrik Vraalsen <vraalsen at cs.uiuc.edu> - general hackage and stuff

(let me know if I forgot anyone)


HOW TO HELP

If you want to port mpeg2dec to a new architecture, or add any new
feature in it, please contact us - see the next section :)

I'm not entirely satisfied by our current mmx yuv2rgb routine either.

We'd like to have optimized routines for more different architectures :
PPC, alpha, sparc... If you can do ASM using the multimedia extensions
on these architectures, we want to hear about you :) We're not too
good at MMX instruction scheduling either, so if you're good at that
we're interested too. There are probably still other ways to improve
the decoder performance too - if you're good at that, just have a look
and tell us what you find.


CONTACTS

For technical discussion about libmpeg2 and updates about its
development you should subscribe to livid-mpeg2dec mailing list.

CVS checkins are announced on livid-mpeg2dec-cvs mailing list.

If you want to work on mpeg2dec, you should write to walken and
subscribe to the livid-mpeg2dec mailing list.

If you just want help about mpeg2dec, please post to the livid-user
mailing list.

Information about these mailing lists is available at
http://www.linuxvideo.org/devel/mailinglists.html

--- NEW FILE ---
* things we dont implement yet
	* dont crash on bad streams, make sure we can resync after a while
		* possible chunk buffer overflow (writing or reading back)
		* destination macroblock overflow
		* MC source out of bounds (maybe signal handler for that one ?)
		* dont just fprintf and exit
	* synchronization stuff 

* structural optimizations
	* integrate idct_add and idct_copy into the main idct routine
	* do yuv per sub-slice (probably big speed boost)
	* try different memory arrangements for pictures (yuyv, stride, ...)
	* once we have sync, call draw_frame before decoding I or P not after

* local optimizations
	* try feig IDCT instead of MSSG c IDCT ?
	* review the use of static inline functions
	* rework the MC parsing code
	* improve MMX motion comp inner routines
	* optimize IDCT for very sparse input matrixes ?
	* optimize startcode search loop ?
	* bit parsing / DCT parsing optimizations
	* clean up slice_process init (and get rid of video_out.h there)

* clean up
	* clean up header file usage
	* clean up DMV and field MC code
	* clean up yuv2rgb for interlaced pictures (handling of uv)

--- NEW FILE ---
dnl AC_C_ATTRIBUTE_ALIGNED
dnl define ATTRIBUTE_ALIGNED_MAX to the maximum alignment if this is supported
AC_DEFUN([AC_C_ATTRIBUTE_ALIGNED],
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	for ac_cv_c_attr_align_try in 2 4 8 16 32 64; do
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dnl AC_TRY_CFLAGS (CFLAGS, [ACTION-IF-WORKS], [ACTION-IF-FAILS])
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dnl AC_CHECK_GENERATE_INTTYPES_H (INCLUDE-DIRECTORY)
dnl generate a default inttypes.h if the header file does not exist already
AC_DEFUN([AC_CHECK_GENERATE_INTTYPES],
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	[AC_COMPILE_CHECK_SIZEOF([char],[1])
	AC_COMPILE_CHECK_SIZEOF([short],[2])
	AC_COMPILE_CHECK_SIZEOF([int],[4])
	AC_COMPILE_CHECK_SIZEOF([long long],[8])
	cat >$1/inttypes.h << EOF
#ifndef _INTTYPES_H
#define _INTTYPES_H
/* default inttypes.h for people who do not have it on their system */
#if (!defined __int8_t_defined) && (!defined __BIT_TYPES_DEFINED__)
#define __int8_t_defined
typedef signed char int8_t;
typedef signed short int16_t;
typedef signed int int32_t;
#ifdef ARCH_X86
typedef signed long long int64_t;
#endif
#endif
#if (!defined _LINUX_TYPES_H)
typedef unsigned char uint8_t;
typedef unsigned short uint16_t;
typedef unsigned int uint32_t;
#ifdef ARCH_X86
typedef unsigned long long uint64_t;
#endif
#endif
#endif
EOF
	])])


dnl AC_COMPILE_CHECK_SIZEOF (TYPE SUPPOSED-SIZE)
dnl abort if the given type does not have the supposed size
AC_DEFUN([AC_COMPILE_CHECK_SIZEOF],
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    AC_TRY_COMPILE([],[switch (0) case 0: case (sizeof ($1) == $2):;],[],
	[AC_MSG_ERROR([can not build a default inttypes.h])])
    AC_MSG_RESULT([yes])])

--- NEW FILE ---
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.

dnl AC_C_ATTRIBUTE_ALIGNED
dnl define ATTRIBUTE_ALIGNED_MAX to the maximum alignment if this is supported
AC_DEFUN([AC_C_ATTRIBUTE_ALIGNED],
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	for ac_cv_c_attr_align_try in 2 4 8 16 32 64; do
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dnl AC_TRY_CFLAGS (CFLAGS, [ACTION-IF-WORKS], [ACTION-IF-FAILS])
dnl check if $CC supports a given set of cflags
AC_DEFUN([AC_TRY_CFLAGS],
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dnl AC_CHECK_GENERATE_INTTYPES_H (INCLUDE-DIRECTORY)
dnl generate a default inttypes.h if the header file does not exist already
AC_DEFUN([AC_CHECK_GENERATE_INTTYPES],
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	AC_COMPILE_CHECK_SIZEOF([int],[4])
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	cat >$1/inttypes.h << EOF
#ifndef _INTTYPES_H
#define _INTTYPES_H
/* default inttypes.h for people who do not have it on their system */
#if (!defined __int8_t_defined) && (!defined __BIT_TYPES_DEFINED__)
#define __int8_t_defined
typedef signed char int8_t;
typedef signed short int16_t;
typedef signed int int32_t;
#ifdef ARCH_X86
typedef signed long long int64_t;
#endif
#endif
#if (!defined _LINUX_TYPES_H)
typedef unsigned char uint8_t;
typedef unsigned short uint16_t;
typedef unsigned int uint32_t;
#ifdef ARCH_X86
typedef unsigned long long uint64_t;
#endif
#endif
#endif
EOF
	])])


dnl AC_COMPILE_CHECK_SIZEOF (TYPE SUPPOSED-SIZE)
dnl abort if the given type does not have the supposed size
AC_DEFUN([AC_COMPILE_CHECK_SIZEOF],
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# 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
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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)
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#
# Check to make sure that the build environment is sane.
#

AC_DEFUN(AM_SANITY_CHECK,
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# Just in case
sleep 1
echo timestamp > conftestfile
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# 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 (
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      # If neither matched, then we have a broken ls.  This can happen
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   test "[$]2" = conftestfile
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then
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else
   AC_MSG_ERROR([newly created file is older than distributed files!
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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
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if ($2 --version) < /dev/null > /dev/null 2>&1; then
   $1=$2
   AC_MSG_RESULT(found)
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   $1="$3/missing $2"
   AC_MSG_RESULT(missing)
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AC_SUBST($1)])

# Like AC_CONFIG_HEADER, but automatically create stamp file.

AC_DEFUN(AM_CONFIG_HEADER,
[AC_PREREQ([2.12])
AC_CONFIG_HEADER([$1])
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AC_OUTPUT_COMMANDS(changequote(<<,>>)dnl
ifelse(patsubst(<<$1>>, <<[^ ]>>, <<>>), <<>>,
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<<am_indx=1
for am_file in <<$1>>; do
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    ;;
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  am_indx=`expr "<<$>>am_indx" + 1`
done<<>>dnl>>)
changequote([,]))])

# Add --enable-maintainer-mode option to configure.
# From Jim Meyering

# serial 1

AC_DEFUN(AM_MAINTAINER_MODE,
[AC_MSG_CHECKING([whether to enable maintainer-specific portions of Makefiles])
  dnl maintainer-mode is disabled by default
  AC_ARG_ENABLE(maintainer-mode,
[  --enable-maintainer-mode enable make rules and dependencies not useful
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      USE_MAINTAINER_MODE=no)
  AC_MSG_RESULT($USE_MAINTAINER_MODE)
  AM_CONDITIONAL(MAINTAINER_MODE, test $USE_MAINTAINER_MODE = yes)
  MAINT=$MAINTAINER_MODE_TRUE
  AC_SUBST(MAINT)dnl
]
)

# 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])


# serial 40 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 $ac_aux_dir/ltmain.sh $lt_target \
|| 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_RANLIB])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

case "$target" in
NONE) lt_target="$host" ;;
*) lt_target="$target" ;;
esac

# Check for any special flags to pass to ltconfig.
#
# the following will cause an existing older ltconfig to fail, so
# we ignore this at the expense of the cache file... Checking this 
# will just take longer ... bummer!
#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"

# Some flags need to be propagated to the compiler or linker for good
# libtool support.
case "$lt_target" in
*-*-irix6*)
  # Find out which ABI we are using.
  echo '[#]line __oline__ "configure"' > conftest.$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)
  ;;
])
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])
  ac_prog=`($CC -print-prog-name=ld) 2>&5`
  case "$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_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_CHECK_LIBM - check for math library
AC_DEFUN(AC_CHECK_LIBM,
[AC_REQUIRE([AC_CANONICAL_HOST])dnl
LIBM=
case "$lt_target" in
*-*-beos* | *-*-cygwin*)
  # These system don't have libm
  ;;
*-ncr-sysv4.3*)
  AC_CHECK_LIB(mw, _mwvalidcheckl, LIBM="-lmw")
  AC_CHECK_LIB(m, main, LIBM="$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 and INCLTDL to the include flags for
# the libltdl header and adds --enable-ltdl-convenience to the
# configure arguments.  Note that LIBLTDL and INCLTDL are not
# AC_SUBSTed, nor is AC_CONFIG_SUBDIRS called.  If DIR is not
# provided, it is assumed to be `libltdl'.  LIBLTDL will be prefixed
# with '${top_builddir}/' and INCLTDL will be prefixed with
# '${top_srcdir}/' (note the single quotes!).  If your package is not
# flat and you're not using automake, define top_builddir and
# top_srcdir appropriately 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="$ac_configure_args --enable-ltdl-convenience" ;;
  esac
  LIBLTDL='${top_builddir}/'ifelse($#,1,[$1],['libltdl'])/libltdlc.la
  INCLTDL='-I${top_srcdir}/'ifelse($#,1,[$1],['libltdl'])
])

# AC_LIBLTDL_INSTALLABLE[(dir)] - sets LIBLTDL to the link flags for
# the libltdl installable library and INCLTDL to the include flags for
# the libltdl header and adds --enable-ltdl-install to the configure
# arguments.  Note that LIBLTDL and INCLTDL are not AC_SUBSTed, nor is
# AC_CONFIG_SUBDIRS called.  If DIR is not provided and an installed
# libltdl is not found, it is assumed to be `libltdl'.  LIBLTDL will
# be prefixed with '${top_builddir}/' and INCLTDL will be prefixed
# with '${top_srcdir}/' (note the single quotes!).  If your package is
# not flat and you're not using automake, define top_builddir and
# top_srcdir appropriately 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="$ac_configure_args --enable-ltdl-install"
    LIBLTDL='${top_builddir}/'ifelse($#,1,[$1],['libltdl'])/libltdl.la
    INCLTDL='-I${top_srcdir}/'ifelse($#,1,[$1],['libltdl'])
  else
    ac_configure_args="$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


--- NEW FILE ---
#! /bin/sh
set -x

aclocal -I autotools
libtoolize --force --copy
autoheader
#add --include-deps if you want to bootstrap with any other compiler than gcc
#automake --add-missing --copy --include-deps
automake --add-missing --copy
autoconf
rm -f config.cache

--- NEW FILE ---
#! /bin/sh

# Guess values for system-dependent variables and create Makefiles.
# Generated automatically using autoconf version 2.13 
# Copyright (C) 1992, 93, 94, 95, 96 Free Software Foundation, Inc.
#
# This configure script is free software; the Free Software Foundation
# gives unlimited permission to copy, distribute and modify it.

# Defaults:
ac_help=
ac_default_prefix=/usr/local
# Any additions from configure.in:
ac_help="$ac_help
  --enable-maintainer-mode enable make rules and dependencies not useful
                          (and sometimes confusing) to the casual installer"
ac_help="$ac_help
  --enable-shared[=PKGS]  build shared libraries [default=no]"
ac_help="$ac_help
[...4239 lines suppressed...]
    fi
    rm -f $ac_file
    mv conftest.h $ac_file
  fi
fi; done

EOF
cat >> $CONFIG_STATUS <<EOF


EOF
cat >> $CONFIG_STATUS <<\EOF
test -z "$CONFIG_HEADERS" || echo timestamp > include/stamp-h

exit 0
EOF
chmod +x $CONFIG_STATUS
rm -fr confdefs* $ac_clean_files
test "$no_create" = yes || ${CONFIG_SHELL-/bin/sh} $CONFIG_STATUS || exit 1


--- NEW FILE ---
dnl Process this file with autoconf to produce a configure script.
AC_PREREQ(2.13)
AC_INIT(src/mpeg2dec.c)
AC_CONFIG_AUX_DIR(autotools)
AM_INIT_AUTOMAKE(mpeg2dec,0.2.0)
AM_CONFIG_HEADER(include/config.h)
AM_MAINTAINER_MODE
AC_CANONICAL_HOST

dnl Checks for compiler
AC_PROG_CC
AC_PROG_GCC_TRADITIONAL

dnl GCC-specific flags
if test x"$GCC" = x"yes"; then

    dnl -Wall -Werror moved to the end to not disturb the configure script

    dnl -O3
    changequote(<<,>>)
    OPT_CFLAGS=`echo "$CFLAGS"|sed "s/-O[0-9]*//g;"`
    changequote([,])
    OPT_CFLAGS="$OPT_CFLAGS -O3"
    AC_TRY_CFLAGS([$OPT_CFLAGS],[CFLAGS=$OPT_CFLAGS])

    dnl -fomit-frame-pointer
    OPT_CFLAGS="$CFLAGS -fomit-frame-pointer"
    AC_TRY_CFLAGS([$OPT_CFLAGS],[CFLAGS=$OPT_CFLAGS])

    dnl arch-specific flags
    case "$host_alias" in
    i?86-* | k?-*)
	AC_DEFINE([ARCH_X86],,[x86 architecture])
	case "$host_alias" in
	i386-*) OPT_CFLAGS="$CFLAGS -mcpu=i386";;
	i486-*) OPT_CFLAGS="$CFLAGS -mcpu=i486";;
	i586-*) OPT_CFLAGS="$CFLAGS -mcpu=pentium";;
	i686-*) OPT_CFLAGS="$CFLAGS -mcpu=pentiumpro";;
	k6-*)   OPT_CFLAGS="$CFLAGS -mcpu=k6";;
	esac
	OPT_CFLAGS="$OPT_CFLAGS -DIDCT2_INTERLEAVED";;
	AC_TRY_CFLAGS([$OPT_CFLAGS],[CFLAGS=$OPT_CFLAGS]);;
    sparc-*)
	OPT_CFLAGS="$CFLAGS -mcpu=ultrasparc -mvis"
	AC_TRY_CFLAGS([$OPT_CFLAGS],[CFLAGS=$OPT_CFLAGS]);;
    mips-sgi-irix6.*)	dnl do we need to be that specific ?
	OPT_CFLAGS="$CFLAGS -mabi=64"
	AC_TRY_CFLAGS([$OPT_CFLAGS],[CFLAGS=$OPT_CFLAGS]);;
    esac
else
    dnl non-gcc flags - we probably need exact configuration triplets here.
    case "$host_alias" in
    mips-sgi-irix6.*)
	OPT_CFLAGS="$CFLAGS -64"
	AC_TRY_CFLAGS([$OPT_CFLAGS],[CFLAGS=$OPT_CFLAGS]);;
    sparc-sun-solaris*)
	OPT_CFLAGS="$CFLAGS -xCC -fast -xO5"
	AC_TRY_CFLAGS([$OPT_CFLAGS],[CFLAGS=$OPT_CFLAGS]);;
    esac
fi

dnl Checks for libtool - this must be done after we set cflags
AM_DISABLE_SHARED
AC_LIBTOOL_WIN32_DLL
AM_PROG_LIBTOOL

dnl Checks for libraries.

dnl Checks for header files.
INCLUDES='-I$(top_srcdir)/include -I$(top_builddir)/include'
AC_SUBST(INCLUDES)
AC_CHECK_GENERATE_INTTYPES(include)
AC_CHECK_HEADERS(getopt.h)

dnl Checks for typedefs, structures, and compiler characteristics.
AC_C_CONST
AC_C_INLINE
AC_TYPE_SIZE_T
AC_C_BIGENDIAN

dnl Checks for library functions.
AC_CHECK_FUNCS([memalign])
AC_TYPE_SIGNAL

builtin([include],[libmpeg2/configure.incl])
builtin([include],[libvo/configure.incl])

AC_ARG_ENABLE([warnings],
    [  --enable-warnings       treat warnings as errors])
if test x"$enable_warnings" = x"yes" -a x"$GCC" = x"yes"; then
    dnl compiler warnings
    OPT_CFLAGS="$CFLAGS -Wall -Werror"
    AC_TRY_CFLAGS([$OPT_CFLAGS],[CFLAGS=$OPT_CFLAGS])
fi

AC_C_ATTRIBUTE_ALIGNED

AC_OUTPUT(Makefile autotools/Makefile include/Makefile test/Makefile doc/Makefile src/Makefile libmpeg2/Makefile libvo/Makefile)


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