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#!/bin/sh

#
# MPlayer configurator.   (C) 2000 Pontscho/fresh!mindworkz
#				   pontscho@makacs.poliod.hu
#
# Changes in reversed order:
#
# 2001/05/40 by LGB
#  - added --prefix support
#
# 2001/05/22 by Nick Kurshev
#  - added definition of CPU clone
#
# 2001/04/16 by LGB
#  - added libcss stuffs
#
# 2001/04/15 by Pontscho
#  - added --disable-select option
#  - added X11DIR variable in config.mak and fix syncfb Makefile -L/usr/X11/lib bug 
#
# 2001/03/24 by Mike Graffam:
#  - added autodetect code for XF86VidMode, along with explicit --enable-vm
#
# 2001/03/22 by Bivanbi:
#  - new option: --cc  (to specify C compiler path+name)
#
# 2001/03/08 by LGB:
#  - DGA detect-o-matic :)
#  - '--disable-dga' option to force disabling DGA vo driver compiling into mplayer
#  - line about '--enable-dga' is added to the help message
#
# 2001/02/26 by A'rpi:
#  - added DGA option:  --enable-dga
#  - no notify if --with-win32libdir used [Tibcu]
#
# 2001/02/25 by LGB:
#  - TMPDIR or TEMPDIR variable is honored during tests for temporary files
#  - ChangeLog inside configure was reversed ;-)
#
# some changes by A'rpi/ESP-team:
#  - added 'athlon' target for the new athlongcc [Ian Kumlien]
#  - applied _win32libdir=-L patch by Magnus Pfeffer
#
# some changes by LGB:
#  - Ehhh, AMD K6-2 returns with cpuid 5 ;-) Changing back Arpi's last change :)
#    More info: AMD K6-2 reports with family 5, duron with 6, so I attached
#    much finer CPU type detection based on Linux kernel's one :)
#    (k5: 5, model<6, k6: 5, model>=6, k7: 6, model=any)
#  - On some exit point (error) temporary files were not deleted. Fixed.
#  - $TMP and $TMP2 are renamed to $TMPC and $TMPO ;-)
#  - Some useless { ... } are removed
#
# some changes by A'rpi/ESP-team:
#  - the --with-win32libdir patch by Aaron Hope applied
#  - some english bugfix again :)
#  - cpu type selection changed:
#    ( k7->k6->k5-> ) || (i686->pentiumpro-> ) pentium-> i486 -> i386 -> error!
#  - cpu type for AMD/family=5 changed k6->k5
#
# some changes by LGB (Gábor Lénárt):
#  - SOME gcc may support 'k7', so I added tests for ALL CPU type optimization
#    switches with the ability to find out the best optimization for your CPU.
#  - Help moved to the begining to avoid tests if user only wants help.
#  - A one lined help to indicate detailed help for users
#  - Fixed /tmp race (PIDs can be predicted, I added random numbers as well)
#
# some changes by A'rpi/ESP-team:
#  - some english bugfix :)
#  - removed _??exists flags, _?? is enough...
#  - creating only config.mak files instead of whole Makefiles
#
# --


# LGB: Help moved here.

if [ "$1" = "--help" -o "$1" = "-help" -o "$1" = "-h" ]; then
cat << EOF

usage: $0 [options]

params:
        --cc                    use this C compiler to build MPlayer [gcc]
	--prefix=DIR		use this prefix for installing mplayer [/usr/local]
	--enable-debug[=1-3]	compile debugging information into mplayer [disable]
	--enable-profile	compile profiling information into mplayer [disable]
        --enable-mmx            build with mmx support [autodetect]
        --enable-mmx2           build with mmx2 support (PIII, Athlon) [autodetect]
        --enable-3dnow          build with 3dnow! support [autodetect]
        --enable-3dnowex        build with 3dnow-dsp! support (K7) [autodetect]
        --enable-sse            build with sse support [autodetect]
        --enable-gl             build with OpenGL render support [autodetect]
        --enable-dga            build with DGA support [autodetect]
        --enable-svga           build with SVGAlib support [autodetect]
        --enable-sdl            build with SDL render support [autodetect]
        --enable-mga            build with mga_vid support [autodetect, if /dev/mga_vid
                                is available]
	--enable-xmga           build with mga_vid X Window support [autodetect,
				if both /dev/mga_vid and x11 are available]
        --enable-xv             build with Xv render support for X 4.x [autodetect]
	--enable-vm		build with XF86VidMode support for x11 driver
        --enable-x11            build with X11 render support [autodetect]
	--enable-fbdev		build with FBDev render support [_not_ autodetected]
	--enable-mlib		build with MLIB support ( only Solaris )

	--enable-termcap	use termcap database for key codes
	--enable-xmmp	        use XMMP audio drivers
	--enable-lirc	        enable LIRC (remote control) support

	--disable-select        disable audio select() support ( for example required this
	                        option ALSA or Vortex2 driver )

	--disable-dshow         disable DirectShow support (if you don't have
                                C++ compiler&libs, or you've found dshow codecs
                                slower than old VfW ones)

	--disable-fastmemcpy    disable 3dnow/sse/mmx optimized memcpy()

        --with-x11libdir=DIR    X library files are in DIR
        --with-win32libdir=DIR  windows codec files
        --with-csslibdir=DIR    directory contains libcss.so shared library
        --with-cssincdir=DIR    directory contains libcss header file (css.h)
				(--with-css* only needed, if libCSS autodetect fails)

	--size-x=SIZE		default screen width
	--size-y=SIZE		default screen height
EOF
exit 0
fi

# LGB: Some inital help

echo "You can get detailed help on configure with: $0 --help"
echo "Please wait while ./configure discovers your software and hardware environment!"

# LGB: temporary files

TMPC="mplayer-conf-${RANDOM}-$$-${RANDOM}.c"
TMPO="mplayer-conf-${RANDOM}-$$-${RANDOM}.o"

if [ ! -z $TMPDIR ]; then
	TMPC="${TMPDIR}/${TMPC}"
	TMPO="${TMPDIR}/${TMPO}"
elif [ ! -z $TEMPDIR ]; then
	TMPC="${TEMPDIR}/${TMPC}"
	TMPO="${TEMPDIR}/${TMPO}"
else
	TMPC="/tmp/${TMPC}"
	TMPO="/tmp/${TMPO}"
fi

# ---

# config files
CCONF='config.h'
MCONF='config.mak'

# ---  Check for C compiler:

_cc=gcc
_x11=auto

_x11libdir=
if [ -e /usr/X11R6 ]; then
 _x11libdir=-L/usr/X11R6/lib
else
 if [ -e /usr/X11 ]; then
  _x11libdir=-L/usr/X11/lib
 fi
fi

for ac_option
do
 case "$ac_option" in
  --cc=*)
        _cc=`echo $ac_option | cut -d '=' -f 2`
        ;;
  --with-x11libdir=*)
        _x11libdir=-L`echo $ac_option | cut -d '=' -f 2`
        ;;
  --enable-x11)
        _x11=yes
        ;;
  --disable-x11)
        _x11=no
        ;;
 esac
done

# ---

pname=`sysctl -n hw.model`
pparam=`cat /var/run/dmesg.boot | grep Features | cut -d '<' -f 2 | cut -d '>' -f 1 | sed 's/,/ /g'`
pvendor=`cat /var/run/dmesg.boot | grep Origin | cut -d '"' -f 2 | cut -d '"' -f 1`
pfamily=`cat /var/run/dmesg.boot | grep Origin | cut -d '0x' -f 2 | cut -c 2`
pmodel=`cat /var/run/dmesg.boot | grep Origin | cut -d '0x' -f 2 | cut -c 3`
pstepping=`cat /var/run/dmesg.boot | grep Stepping | cut -d 'Stepping' -f 2 | cut -c 11`

_mmx=no
_mmx2=no
_3dnow=no
_3dnowex=no
_mtrr=no
_sse=no

_mga=no
_gl=no
_sdl=no
_xv=no
_vm=no
_xdpms=no
_3dfx=no
_syncfb=no
_mlib=no
_mpg123=no
_xmga=no
_dga=no
_dga2=no
_svga=no
_fbdev=no
_lirc=no
_css=no
_dshow=yes
_fastmemcpy=yes

_x=1
_y=1

_gllib=
_sdllib=
_xvlib=
_x11lib=

_select='#define HAVE_AUDIO_SELECT'

_gui=no;

for i in `echo $pparam`; do

 case "$i" in
  3DNow!)
        _3dnow=yes
        _mpg123=yes
        ;;
  DSP)
        _3dnow=yes
        _3dnowex=yes
        _mpg123=yes
        ;;
  MMX)
        _mmx=yes
        ;;
  MTRR)
        _mtrr=yes
        ;;
  SSE)
        _sse=yes
        _mmx2=yes
        ;;
  SSE2)
        _sse=yes
        _mmx2=yes
        ;;
 esac

done


_win32libdirnotify=no
if [ -e /usr/lib/win32 ]; then
 _win32libdir=/usr/lib/win32
else
 if [ -e /usr/local/lib/win32 ]; then
  _win32libdir=/usr/local/lib/win32
 else
# This is our default:
  _win32libdir=/usr/lib/win32
  _win32libdirnotify=yes
 fi
fi


if [ -e /dev/mga_vid ]; then
 _mga=yes
 _syncfb=yes
fi

proc=pentium
iproc=586

case "$pvendor" in
 AuthenticAMD)
   case "$pfamily" in
    3)
      proc=i386
      iproc=386
      ;;
    4)
      proc=i486
      iproc=486
      ;;
    5)
      if [ $pmodel -ge 6 ]; then	# LGB: models are: K5/SSA5 K5 K5 K5 ? ? K6 K6 K6-2 K6-3 
    	    proc=k6
      else
    	    proc=k5
      fi
      iproc=586
      ;;
    6|7)				# LGB: Though it seems Athlon CPUs returns with "6"
      proc=k7
      iproc=686
      ;;
    *)
      proc=pentium
      iproc=586
      ;;
   esac
   ;;
 GenuineIntel)
   case "$pfamily" in
    3)
      proc=i386
      iproc=386
      ;;
    4)
      proc=i486
      iproc=486
      ;;
    5)
      proc=pentium
      iproc=586
      ;;
    6)
      proc=i686
      iproc=686
      ;;
    *)
      proc=pentium
      iproc=586
      ;;
   esac
   ;;
 unknown)              # added by Gabucino - upon Tibcu's request
   case "$pfamily" in
    3)
      proc=i386
      iproc=386
      ;;
    4)
      proc=i486
      iproc=486
      ;;
    *)
      proc=pentium
      iproc=586
      ;;
   esac
   ;;
 *)
   proc=pentium
   iproc=586
   ;;
esac

# ---

cat > $TMPC << EOF
int main( void ) { return 0; }
EOF

# check that gcc supports our cpu, if not, fallback to pentium
# LGB: check -mcpu and -march swithing step by step with enabling
# to fall back till 386.

#echo -n "Checking your GCC CPU optimalization abilities: "
if [ "$proc" = "k7" ]; then
#	echo -n "trying k7  "
	$_cc $TMPC -o $TMPO -march=$proc -mcpu=$proc > /dev/null || proc=athlon
fi
if [ "$proc" = "athlon" ]; then
#	echo -n "trying athlon  "
	$_cc $TMPC -o $TMPO -march=$proc -mcpu=$proc > /dev/null || proc=k6
fi
if [ "$proc" = "k6" ]; then
#	echo -n "trying k6  "
	$_cc $TMPC -o $TMPO -march=$proc -mcpu=$proc > /dev/null || proc=k5
fi
if [ "$proc" = "k5" ]; then
#	echo -n "trying k5  "
	$_cc $TMPC -o $TMPO -march=$proc -mcpu=$proc > /dev/null || proc=pentium
fi
if [ "$proc" = "i686" ]; then
#	echo -n "trying i686  "
	$_cc $TMPC -o $TMPO -march=$proc -mcpu=$proc > /dev/null || proc=pentiumpro
fi
if [ "$proc" = "pentiumpro" ]; then
#	echo -n "trying pentiumpro  "
	$_cc $TMPC -o $TMPO -march=$proc -mcpu=$proc > /dev/null || proc=pentium
fi
if [ "$proc" = "pentium" ]; then
#	echo -n "trying pentium  "
	$_cc $TMPC -o $TMPO -march=$proc -mcpu=$proc > /dev/null || proc=i486
fi
if [ "$proc" = "i486" ]; then
#	echo -n "trying i486  "
	$_cc $TMPC -o $TMPO -march=$proc -mcpu=$proc > /dev/null || proc=i386
fi
if [ "$proc" = "i386" ]; then
#	echo -n "trying i386  "
	$_cc $TMPC -o $TMPO -march=$proc -mcpu=$proc > /dev/null || proc=error
fi
if [ "$proc" = "error" ]; then
	echo
	echo "Your gcc does not support even \"i386\" for '-march' and '-mcpu'." >&2
	rm -f $TMPC $TMPO
	exit
fi
#echo "DONE (${proc})."


$_cc -I/usr/local/include -I/usr/X11R6/include -L/usr/local/lib $TMPC -o $TMPO -lvgagl -lvga > /dev/null && _svga=yes

$_cc $TMPC -o $TMPO -pthread > /dev/null || \
 { echo "Lib pthread not found."; rm -f $TMPC $TMPO ; exit 1; }

# Atmosfear: added SDL versioncheck and autodetect; removed warnings.
_sdl=no
if $_cc -I/usr/local/include -I/usr/X11R6/include -L/usr/local/lib $TMPC -o $TMPO -L/usr/lib/ -L/usr/local/lib/ -lSDL-1.1 -pthread > /dev/null ; then
	if test `sdl11-config --version | sed s/[=[:punct:]=]//g` -gt 116 ; then
		if test `sdl11-config --version | sed s/[=[:punct:]=]//g` -lt 121 ; then
			_sdlbuggy='#define BUGGY_SDL'
		else	
			_sdlbuggy='#undef BUGGY_SDL'
		fi	
		_sdl=yes
	else
		_sdl=outdated
	fi
fi	

# Atmosfear: added libcss autodetect
_css=no
if test -e "/usr/local/lib/libcss.so" ; then
	_csslibdir="/usr/local/lib/"
	if test -e "/usr/local/include/css.h" ; then
		_cssincdir="/usr/local/include"
		_css=yes
	fi	
else
	if test -e "/usr/lib/libcss.so" ; then
		_csslibdir="/usr/lib/"
		if test -e "/usr/include/css.h" ; then
			_cssincdir="/usr/include/"
			_css=yes
		fi	
	fi
fi
	
_termcap=no
$_cc -I/usr/local/include -I/usr/X11R6/include -L/usr/local/lib $TMPC -o $TMPO -ltermcap > /dev/null && _termcap=yes

_png=no
$_cc -I/usr/local/include -I/usr/X11R6/include -L/usr/local/lib $TMPC -o $TMPO -lpng -lz> /dev/null && _png=yes

_binutils=no
as libac3/downmix/downmix_i386.S -o $TMPO > /dev/null && _binutils=yes

# ----------- Check X11 and related libs (GL, Xxf86vm, Xv, DGA) --------------

if [ $_x11 = auto ]; then
  _x11=no
  $_cc -I/usr/local/include -I/usr/X11R6/include -L/usr/local/lib $TMPC -o $TMPO $_x11libdir -lX11 -lXext > /dev/null && _x11=yes
fi

if [ $_x11 = yes ]; then

$_cc -I/usr/local/include -I/usr/X11R6/include -L/usr/local/lib $TMPC -o $TMPO $_x11libdir -lX11 -lXext -lXdpms > /dev/null && _xdpms=yes
$_cc -I/usr/local/include -I/usr/X11R6/include -L/usr/local/lib $TMPC -o $TMPO $_x11libdir -lX11 -lXext -lXv > /dev/null && _xv=yes
$_cc -I/usr/local/include -I/usr/X11R6/include -L/usr/local/lib $TMPC -o $TMPO $_x11libdir -lX11 -lXext -lXxf86vm > /dev/null && _vm=yes

if $_cc -I/usr/local/include -I/usr/X11R6/include -L/usr/local/lib $TMPC -o $TMPO $_x11libdir -lX11 -lXext -lGL > /dev/null; then
_gl=yes
elif $_cc -I/usr/local/include -I/usr/X11R6/include -L/usr/local/lib $TMPC -o $TMPO $_x11libdir -lX11 -lXext -lGL -pthread > /dev/null; then
_gl=yes
fi

cat > $TMPC << EOF
#include <GL/gl.h>
int main( void ) { return 0; }
EOF

if $_cc -I/usr/local/include -I/usr/X11R6/include -L/usr/local/lib $TMPC -o $TMPO $_x11libdir -lX11 -lXext -lGL > /dev/null; then
elif $_cc -I/usr/local/include -I/usr/X11R6/include -L/usr/local/lib $TMPC -o $TMPO $_x11libdir -lX11 -lXext -lGL -pthread > /dev/null;then 
else 
_gl=no; echo "GL includes not found!"
fi

cat > $TMPC << EOF
#include <stdio.h>
#include <X11/Xlib.h>
#include <X11/extensions/xf86dga.h>
int main (void) { return 0;}
EOF

$_cc -I/usr/local/include -I/usr/X11R6/include -L/usr/local/lib $TMPC -o $TMPO -L/usr/X11R6/lib -L/usr/X11/lib -lX11 -lXext -lXxf86dga -lXxf86vm > /dev/null && _dga=yes
# Note: the -lXxf86vm library is the VideoMode extension and though it's
# not needed for DGA, AFAIK every distribution packages together with DGA
# stuffs named 'X extensions' or something similar. This check can be usefull
# for further mplayer versions to set resolution by mplayer itself.
# If you run into problems, remove '-lXxf86vm'.

# Check if DGA is 2.0 or greater
cat > $TMPC << EOF
#include <stdio.h>
#include <X11/Xlib.h>
#include <X11/extensions/xf86dga.h>
int main (void) { XDGAMode mode; XDGADevice device; return 0;}
EOF

_dga2=no
$_cc -I/usr/local/include -I/usr/X11R6/include -L/usr/local/lib $TMPC -o $TMPO -L/usr/X11R6/lib -L/usr/X11/lib -lX11 -lXext -lXxf86dga -lXxf86vm > /dev/null && _dga2=yes

fi

rm -f $TMPC $TMPO

# ---

# check for the parameters.

_prefix="/usr/local"

for ac_option
do
 case "$ac_option" in
  --enable-profile)
  	_profile='-p'
	;;
  --enable-debug)
  	_debug='-g'
	;;
  --enable-debug=*)
        _debug=`echo -n '-g'; echo $ac_option | cut -d '=' -f 2`
	;;
  --enable-css)
	_css=yes
	;;
  --enable-png)
	_png=yes
	;;
  --enable-sse)
        _sse=yes
        ;;
  --enable-3dnow)
        _3dnow=yes
        ;;
  --enable-3dnowex)
        _3dnow=yes
        _3dnowex=yes
        ;;
  --enable-mmx)
        _mmx=yes
        ;;
  --enable-mmx2)
        _mmx2=yes
        ;;
  --enable-mtrr)
  	_mtrr=yes
	;;
  --enable-gl)
        _gl=yes
        ;;
  --enable-sdl)
        _sdl=yes
        ;;
  --enable-mga)
        _mga=yes
        ;;
  --enable-xmga)
        _xmga=yes
        ;;	
  --enable-svga)
        _svga=yes
        ;;
  --enable-dga)
        _dga=yes
        ;;
  --enable-dga2)
        _dga2=yes
        ;;
  --enable-xv)
        _xv=yes
        ;;
  --enable-vm)
        _vm=yes
        ;;
  --enable-3dfx)
        _3dfx=yes
        ;;
  --enable-syncfb)
        _syncfb=yes
        ;;
  --enable-fbdev)
  	_fbdev=yes
	;;
  --enable-mlib)
	_mlib=yes
	;;
  --enable-ter