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#!/bin/sh

#
# MPlayer configurator.   (C) 2000 Pontscho/fresh!mindworkz
#				   pontscho@makacs.poliod.hu
#
# Changes in reversed order:
#
# 2000/02/26 by A'rpi:
#  - added DGA option:  --enable-dga
#  - no notify if --with-win32libdir used [Tibcu]
#
# 2000/02/25 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 (G�bor L�n�rt):
#  - 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:
        --enable-mmx            build with mmx support [autodetect]
        --enable-3dnow          build with 3dnow! support [autodetect]
        --enable-sse            build with sse support [autodetect]
        --enable-gl             build with OpenGL render support [autodetect]
        --enable-sdl            build with SDL render support [def.: disabled!]
        --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-x11            build with X11 render support [autodetect]
	--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

        --with-x11libdir=DIR    X library files are in DIR
        --with-win32libdir=DIR  windows codec files

	--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'

# ---

TAB=`echo -n -e "\t"`
pname=`cat /proc/cpuinfo | grep 'model name' | cut -d ':' -f 2`
pparam=`cat /proc/cpuinfo | grep 'features' | cut -d ':' -f 2`
if [ -z "$pparam" ]; then
  pparam=`cat /proc/cpuinfo | grep 'flags' | cut -d ':' -f 2`
fi
pvendor=`cat /proc/cpuinfo | grep 'vendor_id' | cut -d ':' -f 2  | cut -d ' ' -f 2`
pfamily=`cat /proc/cpuinfo | grep 'cpu family' | cut -d ':' -f 2 | cut -d ' ' -f 2`
pmodel=`cat /proc/cpuinfo | grep "model$TAB" | cut -d ':' -f 2 | cut -d ' ' -f 2`
pstepping=`cat /proc/cpuinfo | grep 'stepping' | cut -d ':' -f 2 | cut -d ' ' -f 2`

_mmx=no
_3dnow=no
_mtrr=no
_sse=no
_mga=no
_gl=no
_sdl=no
_xv=no
_x11=no
_3dfx=no
_syncfb=no
_mlib=no
_mpg123=no
_xmga=no
_dga=no
_lirc=no

_x=1
_y=1

_gllib=
_sdllib=
_x11lib=
_xvlib=
_xlibdir=

for i in `echo $pparam`; do

 case "$i" in
  3dnow)
        _3dnow=yes
        _mpg123=yes
        ;;
  mmx)
        _mmx=yes
        ;;
  mtrr)
        _mtrr=yes
        ;;
  k6_mtrr)
        _mtrr=yes
        ;;
  xmm)
        _sse=yes
        ;;
  sse)
        _sse=yes
        ;;
  kni)
        _sse=yes
        ;;
 esac

done

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

_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

case "$pvendor" in
 AuthenticAMD)
   case "$pfamily" in
    3)
      proc=i386
      ;;
    4)
      proc=i486
      ;;
    5)
      if [ $pmodel -ge 6 ]; then	# LGB: models are: K5/SSA5 K5 K5 K5 ? ? K6 K6 K6-2 K6-3 
    	    proc=k6
      else
    	    proc=k5
      fi
      ;;
    6|7)				# LGB: Though it seems Athlon CPUs returns with "6"
      proc=k7
      ;;
    *)
      proc=pentium
      ;;
   esac
   ;;
 GenuineIntel)
   case "$pfamily" in
    3)
      proc=i386
      ;;
    4)
      proc=i486
      ;;
    5)
      proc=pentium
      ;;
    6)
      proc=i686
      ;;
    *)
      proc=pentium
      ;;
   esac
   ;;
 unknown)              # added by Gabucino - upon Tibcu's request
   case "$pfamily" in
    3)
      proc=i386
      ;;
    4)
      proc=i486
      ;;
    *)
      proc=pentium
      ;;
   esac
   ;;
 *)
   proc=pentium
   ;;
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  "
	gcc $TMPC -o $TMPO -march=$proc -mcpu=$proc &> /dev/null || proc=athlon
fi
if [ "$proc" = "athlon" ]; then
#	echo -n "trying athlon  "
	gcc $TMPC -o $TMPO -march=$proc -mcpu=$proc &> /dev/null || proc=k6
fi
if [ "$proc" = "k6" ]; then
#	echo -n "trying k6  "
	gcc $TMPC -o $TMPO -march=$proc -mcpu=$proc &> /dev/null || proc=k5
fi
if [ "$proc" = "k5" ]; then
#	echo -n "trying k5  "
	gcc $TMPC -o $TMPO -march=$proc -mcpu=$proc &> /dev/null || proc=pentium
fi
if [ "$proc" = "i686" ]; then
#	echo -n "trying i686  "
	gcc $TMPC -o $TMPO -march=$proc -mcpu=$proc &> /dev/null || proc=pentiumpro
fi
if [ "$proc" = "pentiumpro" ]; then
#	echo -n "trying pentiumpro  "
	gcc $TMPC -o $TMPO -march=$proc -mcpu=$proc &> /dev/null || proc=pentium
fi
if [ "$proc" = "pentium" ]; then
#	echo -n "trying pentium  "
	gcc $TMPC -o $TMPO -march=$proc -mcpu=$proc &> /dev/null || proc=i486
fi
if [ "$proc" = "i486" ]; then
#	echo -n "trying i486  "
	gcc $TMPC -o $TMPO -march=$proc -mcpu=$proc &> /dev/null || proc=i386
fi
if [ "$proc" = "i386" ]; then
#	echo -n "trying i386  "
	gcc $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})."


# check GL & X11 & Xext & Xv & SDL & termcap libs

gcc $TMPC -o $TMPO $_x11libdir/ -lGL &> /dev/null && _gl=yes
gcc $TMPC -o $TMPO $_x11libdir -lX11 -lXext &> /dev/null && _x11=yes
gcc $TMPC -o $TMPO $_x11libdir -lXv &> /dev/null && _xv=yes
gcc $TMPC -o $TMPO $_x11libdir -L/usr/local/lib/ -lpthread &> /dev/null || \
 { echo "Lib pthread not found."; rm -f $TMPC $TMPO ; exit 1; }

# SDL disabled by default (0.11pre22-) because of the compilation problems
# this is very buggy & experimental code, use it only if you really need it!!
_have_sdl=no
gcc $TMPC -o $TMPO $_x11libdir -L/usr/local/lib/ -lSDL -lpthread &> /dev/null && _have_sdl=yes

_termcap=no
gcc $TMPC -o $TMPO -ltermcap &> /dev/null && _termcap=yes

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

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

gcc $TMPC -o $TMPO $_x11libdir/ -lGL &> /dev/null || \
 { _gl=no; echo "GL includes not found!";}

rm -f $TMPC $TMPO


if [ $_x11 = 'yes' ]; then
 if [ $_mga = 'yes' ]; then
  _xmga=yes
 fi
fi

# ---

# check for the parameters.

for ac_option
do
 case "$ac_option" in
  --enable-sse)
        _sse=yes
        ;;
  --enable-3dnow)
        _3dnow=yes
        ;;
  --enable-mmx)
        _mmx=yes
        ;;
  --enable-gl)
        _gl=yes
        ;;
  --enable-sdl)
        _sdl=yes
        ;;
  --enable-mga)
        _mga=yes
        ;;
  --enable-xmga)
        _xmga=yes
        ;;	
  --enable-dga)
        _dga=yes
        ;;	
  --enable-xv)
        _xv=yes
        ;;
  --enable-x11)
        _x11=yes
        ;;
  --enable-3dfx)
        _3dfx=yes
        ;;
  --enable-syncfb)
        _syncfb=yes
        ;;
  --enable-mlib)
	_mlib=yes
	;;
  --enable-termcap)
	_termcap=yes
	;;
  --enable-xmmp)
	_xmmp=yes
	;;
  --enable-lirc)
	_lirc=yes
	;;
  --disable-sse)
        _sse=no
        ;;
  --disable-3dnow)
        _3dnow=no
        ;;
  --disable-mmx)
        _mmx=no
        ;;
  --disable-gl)
        _gl=no
        ;;
  --disable-sdl)
        _sdl=no
        ;;
  --disable-mga)
        _mga=no
        ;;
  --disable-xmga)
        _xmga=no
        ;;
  --disable-xv)
        _xv=no
        ;;
  --disable-x11)
        _x11=no
        ;;
  --disable-mlib)
	_mlib=no
	;;
  --disable-termcap)
	_termcap=no
	;;
  --with-x11libdir=*)
        _x11libdir=-L`echo $ac_option | cut -d '=' -f 2`
        ;;
  --with-win32libdir=*)
        _win32libdir=`echo $ac_option | cut -d '=' -f 2`
	_win32libdirnotify=no
        ;;
  --size-x=*)
	_x=`echo $ac_option | cut -d '=' -f 2`
	;;
  --size-y=*)
	_y=`echo $ac_option | cut -d '=' -f 2`
	;;
 esac
done

# to screen.

echo "Checking for cpu vendor ... $pvendor ( $pfamily:$pmodel:$pstepping )"
echo "Checking for cpu type ... $pname"
echo "Optimizing to ... $proc"
echo "Checking for mmx support ... $_mmx"
echo "Checking for 3dnow support ... $_3dnow"
echo "Checking for sse support ... $_sse"
echo "Checking for mtrr support ... $_mtrr"
echo "Screen size ... ${_x}x${_y}"
echo "Checking for X11 libs ... $_x11libdir"
echo "Checking mga_vid device ... $_mga"
echo "Checking for xmga ... $_xmga" 
echo "Checking for SDL ... $_sdl"
echo "Checking for OpenGL ... $_gl"
echo "Checking for Xv ... $_xv"
echo "Checking for X11 ... $_x11"

# write conf files.

if [ $_gl = yes ]; then
   _gllib='-lGL'
fi

if [ $_x11 = yes ]; then
  _x11lib='-lX11 -lXext'
fi

if [ $_xv = yes ]; then
  _xvlib='-lXv'
fi

if [ $_sdl = yes ]; then
  _sdllib='-lSDL -lpthread' 
fi

if [ $_dga = yes ]; then
  _dgalib='-lXxf86dga'
fi


if [ "$_termcap" = "yes" ]; then
 _termcap='#define USE_TERMCAP'
 _libtermcap='-ltermcap'
else
 _termcap='#undef USE_TERMCAP'
 _libtermcap=''
fi

if [ "$_xmmp" = "yes" ]; then
 _xmmpaudio='#define USE_XMMP_AUDIO'
 _xmmplibs='-Llibxmm -lxmm'
else
 _xmmpaudio='#undef USE_XMMP_AUDIO'
fi

if [ "$_lirc" = "yes" ]; then
 _lircdefs='#define HAVE_LIRC'
 _lirclibs='-llirc_client'
else
 _lircdefs='#undef HAVE_LIRC'
 _lirclibs=''
fi


echo
echo "Creating $MCONF"
cat > $MCONF << EOF

# -------- Generated by ./configure -----------

AR=ar
CC=gcc
# OPTFLAGS=-O4 -march=$proc -mcpu=$proc -pipe -fomit-frame-pointer -ffast-math
OPTFLAGS=-O4 -march=$proc -mcpu=$proc -pipe -ffast-math
# LIBS=-L/usr/lib -L/usr/local/lib $_x11libdir $_gllib $_sdllib $_dgalib $_x11lib $_xvlib
X_LIBS=$_x11libdir $_gllib $_sdllib $_dgalib $_x11lib $_xvlib
TERMCAP_LIB=$_libtermcap
XMM_LIBS = $_xmmplibs
LIRC_LIBS = $_lirclibs
WIN32_PATH=-DWIN32_PATH=\"$_win32libdir\"

EOF
# echo 'CFLAGS=$(OPTFLAGS) -Wall -DMPG12PLAY' >> config.mak

echo "Creating $CCONF"

if [ "$_mmx" = "yes" ]; then
 _mmx='#define HAVE_MMX'
else
 _mmx='#undef HAVE_MMX'
fi

if [ $_3dnow = yes ]; then
 _3dnowm='#define HAVE_3DNOW'
else
 _3dnowm='#undef HAVE_3DNOW'
fi

if [ $_sse = yes ]; then
 _ssem='#define HAVE_SSE'
else
 _ssem='#undef HAVE_SSE'
fi

# ---

_vosrc=''

if [ $_mlib = yes ]; then
 _mlib='#define HAVE_MLIB'
 _vosrc=$_vosrc' yuv2rgb_mlib.c'
else
 _mlib='#undef HAVE_MLIB'
fi

# ---

if [ $_gl = yes ]; then
 _gl='#define HAVE_GL'
 _vosrc=$_vosrc' vo_gl.c'
else
 _gl='#undef HAVE_GL'
fi

if [ $_sdl = yes ]; then
 _sdldef='#define HAVE_SDL'
 _vosrc=$_vosrc' vo_sdl.c'
else
 _sdldef='#undef HAVE_SDL'
fi

if [ $_x11 = yes ]; then
 _x11='#define HAVE_X11'
 _vosrc=$_vosrc' vo_x11.c'
else
 _x11='#undef HAVE_X11'
fi

if [ $_xv = yes ]; then
 _xv='#define HAVE_XV'
 _vosrc=$_vosrc' vo_xv.c'
else
 _xv='#undef HAVE_XV'
fi

# ---

if [ $_mga = yes ]; then
 _mga='#define HAVE_MGA'
 _vosrc=$_vosrc' vo_mga.c'
else
 _mga='#undef HAVE_MGA'
fi
if [ $_xmga = yes ]; then
 _vosrc=$_vosrc' vo_xmga.c'
fi

if [ $_syncfb = yes ]; then
 _syncfb='#define HAVE_SYNCFB'
 _vosrc=$_vosrc' vo_syncfb.c'
else
 _syncfb='#undef HAVE_SYNCFB'
fi

if [ $_3dfx = yes ]; then
 _3dfx='#define HAVE_3DFX'
 _vosrc=$_vosrc' vo_3dfx.c'
else
 _3dfx='#undef HAVE_3DFX'
fi

if [ $_dga = yes ]; then
 _dga='#define HAVE_DGA'
 _vosrc=$_vosrc' vo_dga.c'
else
 _dga='#undef HAVE_DGA'
fi

if [ $_mpg123 = yes ]; then
 _mpg123='#define DEFAULT_MPG123'
else
 _mpg123='#undef DEFAULT_MPG123'
fi

cat > $CCONF << EOF

/* -------- Generated by ./configure ----------- */

/* Define this to enable avg. byte/sec-based AVI sync method by default:
   (use -bps or -nobps commandline option for run-time method selection)    */
#undef AVI_SYNC_BPS

/* Undefine this if you want soundcard-only timing by default:
   You can still change this with the -alsa or -noalsa command-line option!
   (This function was originally impemented to solve ALSA driver's big
   buffer problems, but it seems to be useful for every soundcard drivers) */
#define ALSA_TIMER

/* Undefine this if your soundcard driver has no working select().
   If you have kernel Oops, player hangups, or just no audio, you should
   try to recompile MPlayer with this option disabled! */
#define HAVE_AUDIO_SELECT

/* You have a choice for MP3 decoding: mp3lib(mpg123) or Win32(l3codeca.acm)
   #define this if you prefer mpg123 (with 3Dnow! support) than l3codeca.acm
   (with mmx/sse optimizations)
   You can still change it runtime using -afm 1 (mpg123) or -afm 4 (l3codeca)*/
$_mpg123

/* XMMP support: (test code) */
$_xmmpaudio
#define LIBDIR "/usr/local/lib"
#define PLUGINDIR LIBDIR "/xmmp/Plugins"
#define XMMP_AUDIO_DRIVER PLUGINDIR "/Sound/oss.so"

/* LIRC (remote control, see www.lirc.org) support: */
$_lircdefs

/* Define if your processor stores words with the most significant
   byte first (like Motorola and SPARC, unlike Intel and VAX).  */
/* #define WORDS_BIGENDIAN */

#define ARCH_X86

/////////////////////////////////////////////////////////////////////////////
//
// NOTE: Instead of modifying these here, use the --enable/--disable options
//       of the ./configure script! See ./configure --help for details.
//
/////////////////////////////////////////////////////////////////////////////

/* termcap flag for getch2.c */
$_termcap

/* Extension defines */
$_mlib     // available only on solaris
$_3dnowm   // only define if you have 3DNOW (AMD k6-2, AMD Athlon, iDT WinChip, etc.)
$_mmx      // only define if you have MMX
$_ssem     // only define if you have SSE (Intel Pentium III or Celeron II)

/* libvo options */
#define SCREEN_SIZE_X $_x
#define SCREEN_SIZE_Y $_y
$_x11
$_xv
$_gl
$_dga
$_sdldef
$_3dfx
$_mga
$_syncfb

#if defined(HAVE_GL)||defined(HAVE_X11)||defined(HAVE_XV)
#define X11_FULLSCREEN
#endif

EOF

echo "Creating libvo/config.mak"

_voobj=`echo $_vosrc | sed -e 's/\.c/\.o/g'`

cat > libvo/config.mak << EOF

include ../config.mak

OPTIONAL_SRCS=$_vosrc
OPTIONAL_OBJS=$_voobj

EOF

echo "Creating libac3/config.mak"

if [ $_sse = yes ]; then
 _downmixc='downmix/downmix_kni.S'
 _downmixo='downmix/downmix_kni.o'
else
if [ $_binutils = yes ]; then
 _downmixc='downmix/downmix_i386.S'
 _downmixo='downmix/downmix_i386.o'
else
_downmixc='downmix/downmix.c'
_downmixo='downmix/downmix.o'
cat << EOF

!!! Warning! fallback to slow downmix.c due the old binutils.
!!! Upgrade for better audio decoding performance.

EOF
fi
fi

cat > libac3/config.mak << EOF

include ../config.mak

OPTIONAL_SRCS    = $_downmixc
OPTIONAL_OBJS    = $_downmixo

EOF

echo "Creating mp3lib/config.mak"

if [ $_3dnow = yes ]; then
 _3dnowobjectsrcs='dct36_3dnow.s dct64_3dnow.s decode_3dnow.s'
 _3dnowobjectobjs='dct36_3dnow.o dct64_3dnow.o decode_3dnow.o'
else
 _3dnowobjectsrcs=
 _3dnowobjectobjs=
fi

cat > mp3lib/config.mak << EOF

include ../config.mak

OPTIONAL_SRCS = $_3dnowobjectsrcs
OPTIONAL_OBJS = $_3dnowobjectobjs

EOF

cat << EOF

Config files successfully generated by ./configure !
Please check config.h and config.mak files, tune CPU
and optimization flags if you don't like these defaults.
You can compile the program with 'make dep;make' and
install with  'make install'. Good luck!

EOF

if [ $_mtrr = yes ]; then
 echo "Please check mtrr settings at /proc/mtrr (see DOCS/MTRR)"
 echo
fi

if [ $_sdl = no ]; then
if [ $_have_sdl = yes ]; then
 echo "You have libSDL installed, but SDL support is disabled by default."
 echo "If you want to compile MPlayer with SDL support, re-run ./configure"
 echo "with --enable-sdl. But it's very buggy & experimental code, use it"
 echo "only if you really need it! And it works(?) *ONLY* with SDL v1.1.7 !"
 echo "(SDL driver is NOT supported, so do NOT report bugs relating to SDL!)"
 echo
fi
fi

if [ $_win32libdirnotify = yes ]; then
 echo "Missing WIN32 codecs dir at $_win32libdir !"
 echo "Make it and copy DLL files to there! (You can get them from your windows"
 echo "directory or download ftp://thot.banki.hu/esp-team/linux/MPlayer/w32codec.zip"
else
 echo "Ok, Win32 codecs directory at $_win32libdir already exists."
fi