configure

#! /bin/sh

# Autoconf is ugly and complex. This is still ugly, but at least it's
# simple, and should be good enough for most plausible build cases.
# (Trying to build on Solaris crushed that belief -- it works now, but
# this gets uglier for every platform.  I will probably be forced to
# adopt autoconf in the end, sadly.)

# ---------- Utility definitions ----------

# Moderately portable echo
case "`echo 'x\c'`" in
'x\c') echo_n="echo -n"; nobr= ;;
*)     echo_n="echo";    nobr="\c" ;;
esac

# Portable replacement for !
not() {
    if $1; then false; else true; fi
}

# ---------- Program begins here ----------

# Default options
PREFIX=/usr/local
if [ -z "$MAKE"   ]; then MAKE=make; fi
if [ -z "$AR"     ]; then AR=ar; fi
if [ -z "$RANLIB" ]; then RANLIB=ranlib; fi
UNSUPPORTED_COMPILER=false
VECTORIZE=false
VECTORIZE_LEVEL=0
FASTMATH=-ffast-math
INTERNAL_LIBS=false
INTERNAL_SDL=false
INTERNAL_SDL_IMAGE=false
INTERNAL_SDL_MIXER=false
INTERNAL_SDL_TTF=false

INTERNAL_BZIP2=false
INTERNAL_SMPEG=false
INTERNAL_FREETYPE=false
INTERNAL_LIBPNG=false
INTERNAL_LIBJPEG=false
INTERNAL_OGGLIBS=false
EXPLICIT_OGGLIBS=false

SDL_CONFIG=sdl-config
SMPEG_CONFIG=smpeg-config
FREETYPE_CONFIG=freetype-config

VERSION=`awk '/define VER_NUMBER/ {print $3}' version.h | sed s/-en$//`

# Parse options
prev=
for opt
do
  if test -n "$prev"; then
    eval "$prev=\$opt"
    prev=
    continue
  fi
  arg=`expr "x$opt" : 'x[^=]*=\(.*\)'`
  case $opt in
      --prefix=* | -prefix=*)
        PREFIX=$arg ;;
      --prefix | -prefix)
        prev=PREFIX
        ;;
      --platform=* | -platform=*)
        PLATFORM=$arg ;;
      --platform | -platform)
        prev=PLATFORM
        ;;
      --make=* | -make=*)
        MAKE=$arg ;;
      --make | -make)
        prev=MAKE
        ;;
      --unsupported-compiler | -unsupported-compiler)
        UNSUPPORTED_COMPILER=true ;;
      --unsupported-compiler=* | -unsupported-compiler=*)
        UNSUPPORTED_COMPILER=$arg
        ;;
      --novectorize | -novectorize)
        VECTORIZE=false ;;
      --vectorize | -vectorize)
        VECTORIZE=true ;;
      --vectorize-verbose | -vectorize-verbose)
        VECTORIZE_LEVEL=3 ;;
      --vectorize-verbose=* | -vectorize-verbose=*)
        VECTORIZE_LEVEL=$arg ;;
      --enable-internal-libs | -enable-internal-libs | --with-internal-libs | -with-internal-libs)
        INTERNAL_LIBS=true ;;
      --disable-internal-libs | -disable-internal-libs | --without-internal-libs | -without-internal-libs | --no-internal-libs | -no-internal-libs)
        INTERNAL_LIBS=false ;;
      --internal-libs=* | -internal-libs=*)
        INTERNAL_LIBS=$arg ;;
      --internal-libs | -internal-libs)
        prev=INTERNAL_LIBS
        ;;
      --enable-internal-sdl | -enable-internal-sdl | --with-internal-sdl | -with-internal-sdl)
        INTERNAL_SDL=true ;;
      --disable-internal-sdl | -disable-internal-sdl | --without-internal-sdl | -without-internal-sdl | --no-internal-sdl | -no-internal-sdl)
        INTERNAL_SDL=false ;;
      --internal-sdl=* | -internal-sdl=*)
        INTERNAL_SDL=$arg ;;
      --internal-sdl | -internal-sdl)
        prev=INTERNAL_SDL
        ;;
      --enable-internal-sdl?image | -enable-internal-sdl?image | --with-internal-sdl?image | -with-internal-sdl?image | --enable-internal-sdlimage  | -enable-internal-sdlimage  | --with-internal-sdlimage  | -with-internal-sdlimage)
        INTERNAL_SDL_IMAGE=true ;;
      --disable-internal-sdl?image | -disable-internal-sdl?image | --without-internal-sdl?image | -without-internal-sdl?image | --no-internal-sdl?image | -no-internal-sdl?image | --disable-internal-sdlimage  | -disable-internal-sdlimage  | --without-internal-sdlimage  | -without-internal-sdlimage  | --no-internal-sdlimage  | -no-internal-sdlimage)
        INTERNAL_SDL_IMAGE=false ;;
      --internal-sdl?image=* | -internal-sdl?image=* | --internal-sdlimage=* | -internal-sdlimage=*)
        INTERNAL_SDL_IMAGE=$arg ;;
      --internal-sdl?image | -internal-sdl?image | --internal-sdlimage | -internal-sdlimage)
        prev=INTERNAL_SDL_IMAGE
        ;;
      --internal-all-images)
        INTERNAL_SDL_IMAGE=true
        INTERNAL_LIBPNG=true
        INTERNAL_LIBJPEG=true
        ;;
      --enable-internal-sdl?mixer | -enable-internal-sdl?mixer | --with-internal-sdl?mixer | -with-internal-sdl?mixer | --enable-internal-sdlmixer  | -enable-internal-sdlmixer  | --with-internal-sdlmixer  | -with-internal-sdlmixer)
        INTERNAL_SDL_MIXER=true ;;
      --disable-internal-sdl?mixer | -disable-internal-sdl?mixer | --without-internal-sdl?mixer | -without-internal-sdl?mixer | --no-internal-sdl?mixer | -no-internal-sdl?mixer | --disable-internal-sdlmixer  | -disable-internal-sdlmixer  | --without-internal-sdlmixer  | -without-internal-sdlmixer  | --no-internal-sdlmixer  | -no-internal-sdlmixer)
        INTERNAL_SDL_MIXER=false ;;
      --internal-sdl?mixer=* | -internal-sdl?mixer=* | --internal-sdlmixer=* | -internal-sdlmixer=*)
        INTERNAL_SDL_MIXER=$arg ;;
      --internal-sdl?mixer | -internal-sdl?mixer | --internal-sdlmixer | -internal-sdlmixer)
        prev=INTERNAL_SDL_MIXER
        ;;
      --internal-all-mixers)
        INTERNAL_SDL_MIXER=true
        INTERNAL_OGGLIBS=true
        ;;
      --enable-internal-bz* | -enable-internal-bz* | --with-internal-bz* | -with-internal-bz*)
        INTERNAL_BZIP2=true ;;
      --disable-internal-bz* | -disable-internal-bz* | --without-internal-bz* | -without-internal-bz* | --no-internal-bz* | -no-internal-bz*)
        INTERNAL_BZIP2=false ;;
      --internal-bz*=* | -internal-bz*=*)
        INTERNAL_BZIP2=$arg ;;
      --internal-bz* | -internal-bz*)
        prev=INTERNAL_BZIP2
        ;;
      --enable-internal-smpeg | -enable-internal-smpeg | --with-internal-smpeg | -with-internal-smpeg)
        INTERNAL_SMPEG=true ;;
      --disable-internal-smpeg | -disable-internal-smpeg | --without-internal-smpeg | -without-internal-smpeg | --no-internal-smpeg | -no-internal-smpeg)
        INTERNAL_SMPEG=false ;;
      --internal-smpeg=* | -internal-smpeg=*)
        INTERNAL_SMPEG=$arg ;;
      --internal-smpeg | -internal-smpeg)
        prev=INTERNAL_SMPEG
        ;;
      --enable-internal-freetype | -enable-internal-freetype | --with-internal-freetype | -with-internal-freetype)
        INTERNAL_FREETYPE=true ;;
      --disable-internal-freetype | -disable-internal-freetype | --without-internal-freetype | -without-internal-freetype | --no-internal-freetype | -no-internal-freetype)
        INTERNAL_FREETYPE=false ;;
      --internal-freetype=* | -internal-freetype=*)
        INTERNAL_FREETYPE=$arg ;;
      --internal-freetype | -internal-freetype)
        prev=INTERNAL_FREETYPE
        ;;
      
      --enable-internal-sdl?ttf | -enable-internal-sdl?ttf | --with-internal-sdl?ttf | -with-internal-sdl?ttf | --enable-internal-sdlttf  | -enable-internal-sdlttf  | --with-internal-sdlttf  | -with-internal-sdlttf)
        INTERNAL_SDL_TTF=true ;;
      --disable-internal-sdl?ttf | -disable-internal-sdl?ttf | --without-internal-sdl?ttf | -without-internal-sdl?ttf | --no-internal-sdl?ttf | -no-internal-sdl?ttf | --disable-internal-sdlttf  | -disable-internal-sdlttf  | --without-internal-sdlttf  | -without-internal-sdlttf  | --no-internal-sdlttf  | -no-internal-sdlttf)
        INTERNAL_SDL_TTF=false ;;
      --internal-sdl?ttf=* | -internal-sdl?ttf=* | --internal-sdlttf=* | -internal-sdlttf=*)
        INTERNAL_SDL_TTF=$arg ;;
      --internal-sdl?ttf | -internal-sdl?ttf | --internal-sdlttf | -internal-sdlttf)
        prev=INTERNAL_SDL_TTF
        ;;

    -\? | -h | -help | --help)
      cat <<-__ENDHELP
	Usage: $0 <options>
	
	Options:
	  --help                   display this message
	  --prefix=DIR             install in prefix DIR (default is /usr/local)
	  --make=NAME              use GNU make executable with the given name
	  --unsupported-compiler   don't check for known compilers
	  --vectorize              try to use compiler vectorization (default)
	  --novectorize            don't use compiler vectorization
	  --vectorize-verbose[=(1-5)] set vectorization verbosity level (def 0)
	
	Library options (force compilation of included dependencies):
	  --with-internal-libs        don't check for any system libraries
	  --with-internal-sdl         skip check for system libSDL
	  --with-internal-sdl-image   skip check for system libSDL_image
	  --with-internal-sdl-mixer   skip check for system libSDL_mixer
	  --with-internal-sdl-ttf     skip check for system libSDL_ttf
	  --with-internal-bzip2       skip check for system libbz2
	  --with-internal-smpeg       skip check for system libsmpeg
	  --with-internal-freetype    skip check for system libfreetype
	__ENDHELP
      exit 0
      ;;
    *)
      echo "Ignoring unknown option $opt"
      ;;
  esac
done
if test -n "$prev"; then
  opt=--`echo $prev | tr '[A-Z]_' '[a-z]-'`
  echo "Error: missing argument to $opt" >&2
  exit 2
fi

internalise_SDL() {
    INTERNAL_SDL=true	
    INTERNAL_SDL_IMAGE=true
    INTERNAL_SDL_MIXER=true
    INTERNAL_SDL_TTF=true
    INTERNAL_SMPEG=true
    SDL_CONFIG=./extlib/bin/sdl-config
    SMPEG_CONFIG=./extlib/bin/smpeg-config
}

if $INTERNAL_LIBS
then
    internalise_SDL
    INTERNAL_BZIP2=true
    INTERNAL_FREETYPE=true
    INTERNAL_LIBPNG=true
    INTERNAL_LIBJPEG=true
    INTERNAL_OGGLIBS=true
elif $INTERNAL_SDL
then
    # If the main SDL is internal, the subsidiary libraries must be
    # too.
    internalise_SDL
fi

if $INTERNAL_FREETYPE
then
    # If Freetype is internal, SDL_ttf must be too.
    INTERNAL_SDL_TTF=true
fi

echo "Configuring ONScripter-En $VERSION"

# Platform
$echo_n "Checking platform type... ${nobr}"
if [ -n "$PLATFORM" ]
then 
    PLATFORM=`$echo_n "$PLATFORM${nobr}" | tr '[:upper:]' '[:lower:]'`
    if ./config.sub $PLATFORM >/dev/null 2>&1; then PLATFORM=`./config.sub $PLATFORM`; fi
else
    PLATFORM=`./config.guess`
fi
SYS=Posix
POSIX=Vanilla
case "$PLATFORM" in
*mingw*)   echo "MinGW";    SYS=MinGW ;;
*darwin*)  echo "Mac OS X"; SYS=MacOSX ;;
*linux*)   echo "Linux";    POSIX=Linux ;;
*solaris*) echo "Solaris";  POSIX=Solaris ;;
*freebsd*) echo "FreeBSD";  POSIX=FreeBSD ;;
*netbsd*)  echo "NetBSD";   POSIX=NetBSD ;;
*openbsd*) echo "OpenBSD";  POSIX=OpenBSD ;;
*)         echo "$PLATFORM (unsupported; using vanilla Posix build instructions)" ;;
esac

$echo_n "         cpu type...      ${nobr}"
ARCH=
case "$PLATFORM" in
*86_64*)   echo "x86_64";   ARCH=x86_64;;
*86*)      ARCH=`expr "x$PLATFORM" : 'x\(.*86\).*'`; \
           echo "$ARCH";;
*powerpc*) echo "PowerPC";  ARCH=ppc;;
*)         echo "unknown";;
esac

# Compiler (gcc, g++, icpc)
if [ -z "$CC" ]; then CC=gcc; fi
if $UNSUPPORTED_COMPILER
then
    echo "Unsupported compiler requested; please don't complain if anything doesn't work!"
else
    $echo_n "Checking C compiler... ${nobr}"
    CC_TMP=`($CC --version) 2>/dev/null | head -1`
    case "$CC_TMP" in
    gcc* | *apple*gcc*) CC_VER=`expr "x$CC_TMP" : 'x.* \(.*\)$'`; echo "gcc $CC_VER" ;;
    icc*) echo icc ;;
    *)  echo "error"
        cat <<-_ERR

	Compiler not recognised, or no compiler found.
	Please install a supported C compiler (e.g. gcc). If you already have one installed, try setting the environment variable CC appropriately.
	If you want to use an unsupported compiler, set CC appropriately and run configure with the --unsupported-compiler option; you will be on your own if anything doesn't work.
	_ERR
        exit 1 ;;
    esac
fi

if [ -z "$CXX" ]
then case "x$CC" in
xgcc | x) CXX=g++ ;;
xicc) CXX=icpc ;;
*) CXX=$CC ;;
esac
fi

CXX_TMP=`($CXX --version) 2>/dev/null | head -1`
if not $UNSUPPORTED_COMPILER 
then
    $echo_n "Checking C++ compiler... ${nobr}"
    case "$CXX_TMP" in
    g++* | *apple*g++*) CXX_VER=`expr "x$CXX_TMP" : 'x.* \(.*\)$'`; echo "g++ $CXX_VER" ;;
    icpc*) echo icpc ;;
    *)  echo "error"
        cat <<-_ERR

	Compiler not recognised, or no compiler found.
	Please install a supported C++ compiler (e.g. g++). If you already have one installed, try setting the environment variable CXX appropriately.
	If you want to use an unsupported compiler, set CXX appropriately and run configure with the --unsupported-compiler option; you will be on your own if anything doesn't work.
	_ERR
        exit 1 ;;
    esac
fi

case "$CXX_TMP" in
g++* | *apple*g++*) CFLAGSEXTRA=-Wall ;;
esac

# Make (must be GNU)
$echo_n "Checking for GNU make... ${nobr}"
case "`($MAKE -v) 2>/dev/null | head -1`" in
GNU?Make*)
    echo "$MAKE" ;;
*)
    case "`(gmake -v) 2>/dev/null | head -1`" in
    GNU?Make*)
	MAKE=gmake
	echo "gmake" ;;
    *)  echo "no"
	cat <<-_ERR

	Unable to locate GNU make.
	Please install GNU make. If it's installed, try setting the environment variable MAKE appropriately, or use the --make option to configure.
	_ERR
	exit 1 ;;
    esac ;;
esac

# ar, ranlib (for simplicity's sake we assume that these are ar and
# ranlib if make is make)
if [ "x$MAKE" != "xmake" ]
then
    $echo_n "Checking for ar... ${nobr}"
    if ($AR -V >/dev/null) 2>/dev/null
    then
	echo $AR
    else
	AR=gar
	if ($AR -V >/dev/null) 2>/dev/null
	then echo $AR
	else echo "not found"
	     echo "Unable to locate ar. If it's installed, try setting the environment variable AR appropriately."
	     exit 1
	fi
    fi

    $echo_n "Checking for ranlib... ${nobr}"
    if ($RANLIB -V >/dev/null) 2>/dev/null
    then
	echo $RANLIB
    else
	RANLIB=granlib
	if ($RANLIB -V >/dev/null) 2>/dev/null
	then echo $RANLIB
	else echo "not found"
	     echo "Unable to locate ranlib. If it's installed, try setting the environment variable RANLIB appropriately. (If your platform does not need ranlib, just set RANLIB=true.)"
	     exit 1
	fi
    fi
fi

# Auto-vectorization

VECFLAGS=
if $VECTORIZE
then
    case "x$ARCH" in
    xx86_64) VECFLAGS="-msse2 -mfpmath=sse";;
    x*86)    VECFLAGS="-msse -mfpmath=sse";;
    xppc)    VECFLAGS=-maltivec ;;
    esac

    case "x$CC_VER" in
    x4.*) VECFLAGS="$FASTMATH -ftree-vectorize $VECFLAGS"
          if [ $VECTORIZE_LEVEL != 0 ]
          then
              VECFLAGS="$VECFLAGS -ftree-vectorizer-verbose=$VECTORIZE_LEVEL"
          fi
          echo "Auto-vectorization, verbosity level $VECTORIZE_LEVEL"
          ;;
    *) echo "Not GCC 4+, won't try auto-vectorization"
    esac
fi
CFLAGSEXTRA="$CFLAGSEXTRA $VECFLAGS"

# Libraries

if $INTERNAL_SDL
then
    SDL_CONFIG=./extlib/bin/sdl-config
else
    $echo_n "Checking for system SDL... ${nobr}"
    case "$SYS" in
        MinGW)  SDL_CONFIG=`pwd`/extlib
                cd win_dll; make prefix=$SDL_CONFIG > /dev/null 2>&1; cd ..
                SDL_CONFIG=`pwd`/extlib/bin/sdl-config
                cp ./win_dll/SDL.dll `pwd`;;
        esac
    VER=`($SDL_CONFIG --version) 2>/dev/null`
    if [ -n "$VER" ]
    then
	eval `echo $VER | awk -F. '{ print "MAJ=" $1 "; MIN=" $2 "; REL=" $3; }'`
	if [ $MAJ -gt 1 -o $MAJ -eq 1 -a $MIN -gt 2 -o $MAJ -eq 1 -a $MIN -eq 2 -a $REL -ge 8 ]
	then echo "yes"
	else echo "too old"
	    internalise_SDL
	fi
    else
	echo "no"
	internalise_SDL
    fi
fi

if $INTERNAL_SDL
then
    case "$SYS" in
        MinGW)  echo "Using internal SDL - might not work with DirectX" ;;
        esac
fi

rm -rf .configtest
mkdir .configtest
cd .configtest

if not $INTERNAL_SDL_IMAGE
then
    $echo_n "Checking for system SDL_image... ${nobr}"
    cat > test.cc <<-_EOF
	#include "SDL.h"
	#include "SDL_image.h"
	unsigned char jpeg[]={255,216,255,224,0,16,74,70,73,70,0,1,1,1,0,72,0,72,0,0,255,225,0,22,69,120,105,102,0,0,77,77,0,42,0,0,0,8,0,0,0,0,0,0,255,219,0,67,0,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,255,219,0,67,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,255,192,0,17,8,0,1,0,1,3,1,34,0,2,17,1,
	3,17,1,255,196,0,21,0,1,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,10,255,196,0,20,16,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,255,196,0,20,1,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,255,196,0,20,17,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,255,218,0,12,3,1,0,2,17,3,17,0,63,0,191,128,1,255,217};unsigned char png[]={137,80,78,71,13,10,26,10,0,0,0,13,73,72,68,82,0,0,0,1,0,0,0,1,8,2,0,0,0,144,119,83,222,0,0,0,12,73,68,65,84,8,215,99,248,255,255,63,0,5,254,2,254,220,204,89,231,0,0,0,0,73,69,78,68,174,66,96,130};
	int main(int argc, char**argv){bool j=IMG_Load_RW(SDL_RWFromConstMem(jpeg,309),1),p=IMG_Load_RW(SDL_RWFromConstMem(png,69),1);return j&&p?0:(j?1:(p?2:3));}
	_EOF
    INTERNAL_SDL_IMAGE=true
    $CXX `$SDL_CONFIG --cflags` `$SDL_CONFIG --libs` -lSDL_image test.cc -o itest >/dev/null 2>&1
    ./itest 2>/dev/null
    case $? in
    0) echo "yes"; INTERNAL_SDL_IMAGE=false ;;
    1) echo "no PNG" ;; 2) echo "no JPEG" ;; 3) echo "no PNG or JPEG" ;;
    *) echo "no" ;;
    esac
fi

if $INTERNAL_SDL_IMAGE && not $INTERNAL_LIBPNG
then
    $echo_n "Checking for system libpng... ${nobr}"
    cat > test.cc <<-_EOF
	#include <png.h>
	unsigned char png[]={137,80,78,71,13,10,26,10};int main(int argc, char**argv){return png_sig_cmp(png,0,8);}
	_EOF
    INTERNAL_LIBPNG=true
    $CXX -lpng -lz test.cc -o ptest >/dev/null 2>&1
    ./ptest 2>/dev/null
    case $? in
    0) echo "yes"; INTERNAL_LIBPNG=false ;;
    1) echo "broken" ;;
    *) echo "no" ;;
    esac
fi

if $INTERNAL_SDL_IMAGE && not $INTERNAL_LIBJPEG
then
    $echo_n "Checking for system libjpeg... ${nobr}"
    cat > test.cc <<-_EOF
	#include <stdio.h>
	#include <jpeglib.h>
	int main(int argc, char**argv){struct jpeg_decompress_struct cinfo;struct jpeg_error_mgr jerr;cinfo.err=jpeg_std_error(&jerr);jpeg_create_decompress(&cinfo);return 0;}
	_EOF
    INTERNAL_LIBJPEG=true
    $CXX -ljpeg test.cc -o jtest >/dev/null 2>&1
    ./jtest 2>/dev/null
    case $? in
    0) echo "yes"; INTERNAL_LIBJPEG=false ;;
    1) echo "broken" ;;
    *) echo "no" ;;
    esac
fi

write_ogg() {
    cat > test.cc <<-_EOF
	unsigned char o[]={79,103,103,83,0,2,0,0,0,0,0,0,0,0,137,109,229,31,0,0,0,0,255,229,22,156,1,30,1,118,111,114,98,105,115,0,0,0,0,2,68,172,0,0,0,0,0,0,128,181,1,0,0,0,0,0,184,1,79,103,103,83,0,0,0,0,0,0,0,0,0,0,137,109,229,31,1,0,0,0,232,117,220,177,17,45,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,7,3,118,111,114,98,105,115,29,0,0,0,88,105,112,104,46,79,114,103,32,108,105,98,86,111,114,98,105,115,32,73,32,50,48,48,53,48,51,48,52,0,0,0,0,1,5,118,111,114,98,105,
	115,37,66,67,86,1,0,64,0,0,36,115,24,42,70,165,115,22,132,16,26,66,80,25,227,28,66,206,107,236,25,66,76,17,130,28,50,76,91,203,37,115,144,33,164,160,66,136,91,40,129,208,144,85,0,0,64,0,0,135,65,120,20,132,138,65,8,33,132,37,61,88,146,131,39,61,8,33,132,136,57,120,20,132,105,65,8,33,132,16,66,8,33,132,16,66,8,33,132,69,57,104,146,131,39,65,8,29,132,227,48,56,12,131,229,56,248,28,132,69,57,88,16,131,39,65,232,32,132,15,66,184,154,131,172,57,8,33,132,36,53,72,80,131,6,57,232,
	28,132,194,44,40,138,130,196,48,184,22,132,4,53,40,140,130,228,48,200,212,131,11,66,136,154,131,73,53,248,26,132,103,65,120,22,132,105,65,8,33,132,36,65,72,144,131,6,65,200,24,132,70,65,88,146,131,6,57,184,20,132,203,65,168,26,132,42,57,8,31,132,32,52,100,21,0,144,0,0,160,162,40,138,162,40,10,16,26,178,10,0,200,0,0,16,64,81,20,199,113,28,201,145,28,201,177,28,11,8,13,89,5,0,0,1,0,8,0,0,160,72,138,164,72,142,228,72,146,36,89,146,37,89,146,37,89,146,230,137,170,44,203,178,44,
	203,178,44,203,50,16,26,178,10,0,72,0,0,80,81,12,69,113,20,7,8,13,89,5,0,100,0,0,8,160,56,138,165,88,138,165,104,138,231,136,142,8,132,134,172,2,0,128,0,0,4,0,0,16,52,67,83,60,71,148,68,207,84,85,215,182,109,219,182,109,219,182,109,219,182,109,219,182,109,91,150,101,25,8,13,89,5,0,64,0,0,16,210,105,102,169,6,136,48,3,25,6,66,67,86,1,0,8,0,0,128,17,138,48,196,128,208,144,85,0,0,64,0,0,128,24,74,14,162,9,173,57,223,156,227,160,89,14,154,74,177,57,29,156,72,181,121,146,155,138,185,
	57,231,156,115,206,201,230,156,49,206,57,231,156,162,156,89,12,154,9,173,57,231,156,196,160,89,10,154,9,173,57,231,156,39,177,121,208,154,42,173,57,231,156,113,206,233,96,156,17,198,57,231,156,38,173,121,144,154,141,181,57,231,156,5,173,105,142,154,75,177,57,231,156,72,185,121,82,155,75,181,57,231,156,115,206,57,231,156,115,206,57,231,156,234,197,233,28,156,19,206,57,231,156,168,189,185,150,155,208,197,57,231,156,79,198,233,222,156,16,206,57,231,156,115,206,57,231,156,115,
	206,57,231,156,32,52,100,21,0,0,4,0,64,16,134,141,97,220,41,8,210,231,104,32,70,17,98,26,50,233,65,247,232,48,9,26,131,156,66,234,209,232,104,164,148,58,8,37,149,113,82,74,39,8,13,89,5,0,0,2,0,64,8,33,133,20,82,72,33,133,20,82,72,33,133,20,98,136,33,134,24,114,202,41,167,160,130,74,42,169,168,162,140,50,203,44,179,204,50,203,44,179,204,58,236,172,179,14,59,12,49,196,16,67,43,173,196,82,83,109,53,214,88,107,238,57,231,154,131,180,86,90,107,173,181,82,74,41,165,148,82,10,66,
	67,86,1,0,32,0,0,4,66,6,25,100,144,81,72,33,133,20,98,136,41,167,156,114,10,42,168,128,208,144,85,0,0,32,0,128,0,0,0,0,79,242,28,209,17,29,209,17,29,209,17,29,209,17,29,209,241,28,207,17,37,81,18,37,81,18,45,211,50,53,211,83,69,85,117,101,215,150,117,89,183,125,91,216,133,93,247,125,221,247,125,221,248,117,97,88,150,101,89,150,101,89,150,101,89,150,101,89,150,101,89,150,32,52,100,21,0,0,2,0,0,32,132,16,66,72,33,133,20,82,72,41,198,24,115,204,57,232,36,148,16,8,13,89,5,0,0,2,
	0,8,0,0,0,112,20,71,113,28,201,145,28,73,178,36,75,210,36,205,210,44,79,243,52,79,19,61,81,20,69,211,52,85,209,21,93,81,55,109,81,54,101,211,53,93,83,54,93,85,86,109,87,150,109,91,182,117,219,151,101,219,247,125,223,247,125,223,247,125,223,247,125,223,247,125,93,7,66,67,86,1,0,18,0,0,58,146,35,41,146,34,41,146,227,56,142,36,73,64,104,200,42,0,64,6,0,64,0,0,138,226,40,142,227,56,146,36,73,146,37,105,146,103,121,150,168,153,154,233,153,158,42,170,64,104,200,42,0,0,16,0,64,0,0,
	0,0,0,0,138,166,120,138,169,120,138,168,120,142,232,136,146,104,153,150,168,169,154,43,202,166,236,186,174,235,186,174,235,186,174,235,186,174,235,186,174,235,186,174,235,186,174,235,186,174,235,186,174,235,186,174,235,186,174,235,186,174,11,132,134,172,2,0,36,0,0,116,36,71,114,36,71,82,36,69,82,36,71,114,128,208,144,85,0,128,12,0,128,0,0,28,195,49,36,69,114,44,203,210,52,79,243,52,79,19,61,209,19,61,211,83,69,87,116,129,208,144,85,0,0,32,0,128,0,0,0,0,0,0,12,201,176,20,203,
	209,28,77,18,37,213,82,45,85,83,45,213,82,69,213,83,85,85,85,85,85,85,85,85,85,85,85,85,85,85,85,85,85,85,85,85,85,85,85,85,85,85,85,85,85,85,85,85,85,77,211,52,77,19,8,13,89,9,0,144,1,0,144,16,83,45,45,198,154,9,139,36,98,210,106,171,160,99,12,82,236,165,177,72,42,103,181,183,202,49,133,24,181,94,26,135,148,81,16,123,169,36,99,138,65,204,45,164,208,41,38,173,214,84,66,133,20,164,152,99,42,21,82,14,82,32,52,100,133,0,16,154,1,224,112,28,64,178,44,64,178,44,0,0,0,0,0,0,0,144,
	52,13,208,60,15,176,52,15,0,0,0,0,0,0,0,36,77,3,44,79,3,52,207,3,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,64,210,52,64,243,60,64,243,60,0,0,0,0,0,0,0,208,60,15,240,60,17,240,68,17,0,0,0,0,0,0,0,44,207,3,52,209,3,60,81,4,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,64,210,52,64,243,60,64,243,60,0,0,
	0,0,0,0,0,176,60,15,240,68,17,208,60,17,0,0,0,0,0,0,0,44,207,3,60,81,4,60,209,3,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
	0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
	0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,16,0,0,16,224,0,0,16,96,33,20,26,178,34,0,136,19,0,112,72,18,36,9,146,4,205,3,72,150,5,77,131,166,193,52,1,146,101,65,211,160,105,48,
	77,0,0,0,0,0,0,0,0,0,0,36,77,131,166,65,211,32,138,0,73,211,160,105,208,52,136,34,0,0,0,0,0,0,0,0,0,0,146,166,65,211,160,105,16,69,128,164,105,208,52,104,26,68,17,0,0,0,0,0,0,0,0,0,0,207,52,33,138,16,69,152,38,192,51,77,136,34,68,17,166,9,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,8,0,0,24,112,0,0,8,48,161,12,20,26,178,34,0,136,19,0,112,56,138,101,1,0,128,227,56,150,5,0,0,142,227,88,22,0,0,88,150,37,138,0,0,96,89,154,40,2,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
	0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,8,0,0,24,112,0,0,8,48,161,12,20,26,178,18,0,136,2,0,112,40,138,101,1,199,177,44,224,56,150,5,36,201,178,0,150,5,208,60,128,166,1,68,17,0,8,0,0,40,112,0,0,8,176,65,83,98,113,128,66,67,86,2,0,81,0,0,6,197,177,44,77,19,69,146,164,105,154,39,138,36,73,211,60,79,20,105,154,231,121,158,105,194,243,60,207,52,33,138,162,104,154,16,69,81,52,77,152,166,105,170,42,48,77,85,21,0,0,80,224,0,0,16,96,131,166,196,226,
	0,133,134,172,4,0,66,2,0,28,138,98,89,154,230,121,158,39,138,166,169,154,36,73,211,60,79,20,69,209,52,77,83,85,73,146,166,121,158,40,138,162,105,154,166,170,178,44,77,243,60,81,20,69,211,84,85,85,133,166,121,158,40,138,162,105,170,170,234,194,243,60,79,20,69,209,52,85,213,117,225,121,158,39,138,162,104,154,170,234,186,16,69,81,52,77,211,84,77,85,117,93,32,138,166,105,154,170,170,170,174,11,68,79,20,77,83,85,93,215,117,129,231,137,162,105,170,170,171,186,46,16,77,211,84,85,85,
	117,93,89,6,152,166,105,170,170,235,202,50,64,85,85,213,117,93,87,150,1,170,170,170,174,235,186,178,12,80,85,215,117,93,89,150,101,0,174,235,186,178,44,203,2,0,0,14,28,0,0,2,140,160,147,140,42,139,176,209,132,11,15,64,161,33,43,2,128,40,0,0,192,24,166,20,83,202,48,38,33,164,16,26,198,36,132,20,66,38,37,165,210,82,170,32,164,82,82,41,21,132,84,74,42,37,163,148,82,106,41,85,16,82,41,169,148,10,66,42,37,149,82,0,0,216,129,3,0,216,129,133,80,104,200,74,0,32,15,0,128,48,70,41,198,
	24,115,78,34,164,20,99,206,57,39,17,82,138,49,231,156,147,74,49,230,156,115,206,73,41,25,115,204,57,231,164,148,206,57,231,156,115,82,74,230,156,115,206,57,41,165,115,206,57,231,156,148,82,74,231,156,115,78,74,41,37,132,206,65,39,165,148,210,57,231,156,19,0,0,84,224,0,0,16,96,163,200,230,4,35,65,133,134,172,4,0,82,1,0,12,142,99,89,154,230,121,162,104,154,150,36,105,154,231,121,158,40,154,166,38,73,154,230,121,158,39,138,170,201,243,60,79,20,69,209,52,85,149,231,121,158,40,138,
	162,105,170,42,215,21,69,211,52,77,85,85,93,178,44,138,166,105,154,170,234,186,48,77,211,84,85,215,117,93,152,166,105,170,170,235,186,46,108,91,85,85,213,117,101,25,182,173,170,170,234,186,178,12,92,215,117,101,217,150,129,44,187,174,236,218,178,0,0,240,4,7,0,160,2,27,86,71,56,41,26,11,44,52,100,37,0,144,1,0,64,24,131,144,66,8,33,101,16,66,10,33,132,148,82,8,9,0,0,24,112,0,0,8,48,161,12,20,26,178,18,0,72,5,0,0,140,177,214,90,107,173,181,214,64,103,173,181,214,90,107,173,
	128,204,90,107,173,181,214,90,107,173,181,214,90,107,173,181,214,82,107,173,181,214,90,107,173,181,214,90,107,173,181,214,90,107,173,181,214,90,107,173,181,214,90,107,173,181,214,90,107,173,181,214,90,107,173,181,214,90,107,173,181,214,90,107,173,181,214,90,107,45,165,148,82,74,41,165,148,82,74,41,165,148,82,74,41,165,148,82,74,5,0,250,85,56,0,248,63,216,176,58,194,73,209,88,96,161,33,43,1,128,112,0,0,192,24,165,24,115,12,66,41,165,84,8,49,230,156,116,84,90,139,177,66,136,49,
	231,36,164,212,90,108,197,115,206,65,40,33,149,214,98,44,158,115,14,66,41,41,197,86,99,81,41,132,82,82,74,45,182,88,139,74,161,163,146,82,74,173,213,88,140,49,169,164,214,90,139,173,198,98,140,73,41,180,212,90,139,49,22,35,108,77,169,181,216,106,171,177,24,99,107,42,45,180,24,99,140,197,8,95,100,108,45,166,218,106,13,198,8,35,91,44,45,213,90,107,48,198,24,221,91,139,165,182,154,139,49,62,248,218,82,44,49,214,92,0,0,119,131,3,0,68,130,141,51,172,36,157,21,142,6,23,26,178,18,0,
	8,9,0,32,16,82,138,49,198,24,115,206,57,231,164,82,140,57,230,156,115,14,66,8,161,84,138,49,198,156,115,14,66,8,33,148,140,49,230,156,115,16,66,8,33,132,82,74,198,156,115,16,66,8,33,132,144,82,234,156,115,16,66,8,33,132,16,74,41,157,115,14,66,8,33,132,16,66,41,165,131,16,66,8,33,132,16,74,40,165,164,20,66,8,33,132,16,66,8,169,164,148,66,8,33,132,82,66,40,33,149,148,82,8,33,132,16,66,41,37,164,148,82,10,33,132,82,66,8,161,132,148,82,74,41,133,16,66,8,165,148,146,82,74,41,165,
	18,74,9,37,132,18,82,41,41,165,20,74,8,33,148,82,74,74,41,165,84,74,9,161,132,18,74,41,37,165,148,82,74,33,132,16,74,41,5,0,0,28,56,0,0,4,24,65,39,25,85,22,97,163,9,23,30,128,66,67,86,2,0,100,0,0,144,162,148,82,41,45,69,130,34,165,24,164,24,75,70,21,115,80,90,138,168,114,12,82,205,169,82,206,32,230,36,150,136,49,132,148,147,84,50,230,20,66,12,66,234,28,117,76,41,6,45,149,24,66,198,24,164,216,114,75,161,115,14,0,0,0,65,0,128,128,144,0,0,3,4,5,51,0,192,224,0,225,115,16,116,2,
	4,71,27,0,128,32,68,102,136,68,195,66,112,120,80,9,16,17,83,1,64,98,130,66,46,0,84,88,92,164,93,92,64,151,1,46,232,226,174,3,33,4,33,8,65,44,14,160,128,4,28,156,112,195,19,111,120,194,13,78,208,41,42,117,32,0,0,0,0,0,13,0,240,0,0,144,92,0,17,17,209,204,97,100,104,108,112,116,120,124,128,132,136,140,144,8,0,0,0,0,0,25,0,124,0,0,36,37,64,68,68,52,115,24,25,26,27,28,29,30,31,32,33,34,35,36,1,0,128,0,2,0,0,0,0,32,128,0,4,4,4,0,0,0,0,0,2,0,0,0,4,4,79,103,103,83,0,4,0,0,0,0,0,0,0,0,
	137,109,229,31,2,0,0,0,123,25,191,226,1,1,0};
	_EOF
}

if not $INTERNAL_SDL_MIXER
then
    $echo_n "Checking for system SDL_mixer... ${nobr}"
    write_ogg
    cat >> test.cc <<-_EOF
	#include <cstdio>
	#include "SDL.h"
	#include "SDL_mixer.h"
	unsigned char m[]={255,251,80,196,0,3,192,0,1,164,0,0,0,32,0,0,52,128,0,0,4,76,65,77,69,51,46,57,54,46,49,85,85,85,85,85,85,85,85,85,85,85,85,85,85,85,85,85,85,85,85,85,85,85,85,85,85,85,85,85,85,85,85,85,85,85,85,85,85,85,85,85,85,85,85,85,85,85,85,85,85,85,85,85,85,85,85,85,85,85,85,85,85,85,85,85,85,85,85,85,85,85,85,85,85,85,85,85,85,85,85,85,85,85,85,85,85,85,85,85,85,85,85,85,85,85,85,85,85,85,85,85,85,85,85,85,85,85,85,85,85,85,85,85,
	85,85,85,85,85,85,85,85,85,85,85,85,85,85,85,85,85,85,85,85,85,85,85,85,85,85,85,85,85,85,85,85,85,85,85,85,85,85,85,85,85,85,85,85,85,85,85,85,85,85,85,85,85,85,85,85,85,85,85,85,85,85,85,85,255,251,82,196,93,131,192,0,1,164,0,0,0,32,0,0,52,128,0,0,4,85,85,85,85,85,85,85,85,85,85,85,85,85,85,85,85,85,85,85,85,85,85,85,85,85,85,85,85,85,85,85,85,85,85,85,85,85,85,85,85,85,85,85,85,85,85,85,85,85,85,85,85,85,85,85,85,85,85,85,85,85,85,85,85,85,85,85,85,85,85,85,85,85,85,85,
	85,85,85,85,85,85,85,85,85,85,85,85,85,85,85,85,85,85,85,85,85,85,85,85,85,85,85,85,85,85,85,85,85,85,85,85,85,85,85,85,85,85,85,85,85,85,85,85,85,85,85,85,85,85,85,85,85,85,85,85,85,85,85,85,85,85,85,85,85,85,85,85,85,85,85,85,85,85,85,85,85,85,85,85,85,85,85,85,85,85,85,85,85,85,85,85,85,85,85,85,85,85,85,85,85,85,85,85,85,85,85,85,85};const int ol=4008,ml=417;
	int main(int argc, char**argv){using namespace std;FILE*f=fopen("o.ogg","wb");if(!f||fwrite(o,1,ol,f)!=ol)return 127;fclose(f);f=fopen("o.mp3","wb");if(!f||fwrite(m,1,ml,f)!=ml)return 127;fclose(f);
	Mix_Music*m;bool ogg=m=Mix_LoadMUS("o.ogg");if(m)Mix_FreeMusic(m);bool mp3=m=Mix_LoadMUS("o.mp3");if(m)Mix_FreeMusic(m);return ogg&&mp3?0:(ogg?1:(mp3?2:3));}
	_EOF
    INTERNAL_SDL_MIXER=true
    $CXX `$SDL_CONFIG --cflags` `$SDL_CONFIG --libs` -lSDL_mixer test.cc -o mtest >/dev/null 2>&1
    ./mtest 2>/dev/null
    case $? in
    0) echo "yes"; INTERNAL_SDL_MIXER=false ;;
    1) echo "no MP3" ;; 2) echo "no Ogg" ;; 3) echo "no Ogg or MP3" ;;
    *) echo "no" ;;
    esac
fi

if $INTERNAL_SDL_MIXER && not $INTERNAL_OGGLIBS
then
    $echo_n "Checking for system Ogg Vorbis libs... ${nobr}"
    write_ogg
    cat >> test.cc <<-_EOF
	#include <cstdio>
	#include <vorbis/codec.h>
	#include <vorbis/vorbisfile.h>
	const int ol=4008;
	int main(int argc, char**argv){using namespace std;FILE*f=fopen("o.ogg","wb");if(!f||fwrite(o,1,ol,f)!=ol)return 127;fclose(f);
	OggVorbis_File vf;f=fopen("o.ogg","rb");int n=ov_open(f,&vf,0,0)<0;fclose(f);return n;}
	_EOF
    INTERNAL_OGGLIBS=true
    $CXX -logg -lvorbis -lvorbisfile test.cc -o otest >/dev/null 2>&1
    ./otest 2>/dev/null
    case $? in
    0) echo "yes"; INTERNAL_OGGLIBS=false ;;
    1) echo "broken" ;;
    *) echo "no" ;;
    esac
elif not $INTERNAL_OGGLIBS
then
    $echo_n "Checking whether Ogg libs need to be linked explicitly... ${nobr}"
    write_ogg
    cat >> test.cc <<-_EOF
	#include <cstdio>
	#include "SDL.h"
	#include "SDL_mixer.h"
	#include <vorbis/codec.h>
	#include <vorbis/vorbisfile.h>
	const int ol=4008;
	int main(int argc, char**argv){using namespace std;FILE*f=fopen("o.ogg","wb");if(!f||fwrite(o,1,ol,f)!=ol)return 127;fclose(f);
	OggVorbis_File vf;f=fopen("o.ogg","rb");int n=ov_open(f,&vf,0,0)<0;fclose(f);return n;}
	_EOF
    EXPLICIT_OGGLIBS=true
    $CXX `$SDL_CONFIG --cflags` `$SDL_CONFIG --libs` -lSDL_mixer test.cc -o mtest >/dev/null 2>&1
    case $? in
    0) echo "no"; EXPLICIT_OGGLIBS=false ;;
    *) echo "yes" ;;
    esac
fi

if not $INTERNAL_BZIP2
then
    $echo_n "Checking for system libbzip2... ${nobr}"
    cat > test.cc <<-_EOF
	#include <bzlib.h>
	unsigned char bz[]={66,90,104,57,49,65,89,38,83,89,41,212,246,171,0,0,0,16,0,64,0,32,0,33,24,70,130,238,72,167,10,18,5,58,158,213,96};
	int main(int argc, char**argv){char out[2];unsigned int olen=2;out[0]='.';return(BZ2_bzBuffToBuffDecompress(out,&olen,(char*)bz,37,0,0)==BZ_OK&&olen==1&&out[0]==' ')?0:1;}
	_EOF
    $CXX -lbz2 test.cc -o btest >/dev/null 2>&1
    if ./btest 2>/dev/null
    then echo "yes"
    else echo "no"
     	INTERNAL_BZIP2=true
    fi
fi

if $INTERNAL_SMPEG
then
    SMPEG_CONFIG=./extlib/bin/smpeg-config
else
    $echo_n "Checking for system libsmpeg... ${nobr}"
    VER=`($SMPEG_CONFIG --version) 2>/dev/null`
    if [ -n "$VER" ]
    then echo "yes"
    else echo "no"
	INTERNAL_SMPEG=true
	SMPEG_CONFIG=./extlib/bin/smpeg-config
    fi
fi

if not $INTERNAL_FREETYPE
then
    $echo_n "Checking for system Freetype... ${nobr}"
    VER=`($FREETYPE_CONFIG --ftversion) 2>/dev/null`
    if [ -z "$VER" ]; then
	FREETYPE_CONFIG=freetype2-config
	VER=`($FREETYPE_CONFIG --ftversion) 2>/dev/null`
	if [ -z "$VER" ]; then
	    FREETYPE_CONFIG="pkg-config freetype2"
	    VER=`($FREETYPE_CONFIG --modversion) 2>/dev/null`
	    if [ -n "$VER" ]; then VER=2; fi
	fi
    fi
    if [ -n "$VER" ]
    then
	if [ `echo $VER | awk -F. '{ print $1; }'` -ge 2 ]
	then echo "yes"
	else echo "too old"
	    INTERNAL_FREETYPE=true
	fi
    else
	echo "no"
	INTERNAL_FREETYPE=true
    fi
fi

if $INTERNAL_FREETYPE
then
    INTERNAL_SDL_TTF=true
    FREETYPE_CONFIG=./extlib/bin/freetype-config
elif not $INTERNAL_SDL_TTF
then
    $echo_n "Checking for system SDL_ttf... ${nobr}"
    cat > test.cc <<-_EOF
	#include "SDL.h"
	#include "SDL_ttf.h"
	int main(){if(TTF_Init()==-1)return 1;TTF_Quit();return 0;}
	_EOF
    INTERNAL_SDL_TTF=true
    $CXX `$SDL_CONFIG --cflags` `$SDL_CONFIG --libs` -lSDL_ttf test.cc -o ttest >/dev/null 2>&1
    if ./ttest 2>/dev/null
    then echo "yes"; INTERNAL_SDL_TTF=false
    else echo "no"
    fi
fi

cd ..
rm -rf .configtest

DEPS=
MLIB=
require() {
    if $1
    then
        DEPS="$DEPS \$($2)"
	[ -n "$MLIB" ] && MLIB="$MLIB, "
	MLIB="$MLIB$3"
    fi
}
require $INTERNAL_SDL       internal_sdl       SDL
require $INTERNAL_LIBPNG    internal_png       libpng
require $INTERNAL_LIBJPEG   internal_jpeg      libjpeg
require $INTERNAL_SDL_IMAGE internal_sdl_image SDL_image
require $INTERNAL_OGGLIBS   internal_ogglibs   "libogg, libvorbis"
require $INTERNAL_SDL_MIXER internal_sdl_mixer SDL_mixer
require $INTERNAL_BZIP2     internal_bzip2     libbz2
require $INTERNAL_SMPEG     internal_smpeg     libsmpeg
require $INTERNAL_FREETYPE  internal_freetype  Freetype
require $INTERNAL_SDL_TTF   internal_sdl_ttf   SDL_ttf

genlink() {
    if $1
    then
        eval "LINK$2=\"extlib/lib/lib$2\\\$(LIBSUFFIX)\""
    else
        eval "LINK$2=-l$2"
    fi
}
genlink $INTERNAL_LIBPNG    z
genlink $INTERNAL_LIBPNG    png
genlink $INTERNAL_LIBJPEG   jpeg
genlink $INTERNAL_SDL_IMAGE SDL_image
genlink $INTERNAL_OGGLIBS   ogg
genlink $INTERNAL_OGGLIBS   vorbis
genlink $INTERNAL_OGGLIBS   vorbisfile
genlink $INTERNAL_SDL_MIXER SDL_mixer
genlink $INTERNAL_BZIP2     bz2
genlink $INTERNAL_SDL_TTF   SDL_ttf

if [ -n "$MLIB" -a ! -d extlib ]
then
    cat <<_EOF

Unable to locate the following dependencies:

  $MLIB

The simplest way to solve this problem is to download the dependencies
pack from the same place that you acquired this source code.
Alternatively, you could install the appropriate development packages
for your operating system.
_EOF
    exit
fi


$echo_n "Writing Makefile... ${nobr}"

case "$SYS" in
Posix)  EXE=     ; OBJ=.o ; LIB=.a ; W32= ;;
MacOSX) EXE=     ; OBJ=.o ; LIB=.a ; W32=
        CFLAGSEXTRA="-fpascal-strings $CFLAGSEXTRA";;
MinGW)  EXE=.exe ; OBJ=.o ; LIB=.a ; W32=true ;;
*) echo "error: unsupported system";
   exit 1 ;;
esac

case "x$ARCH" in
xx86_64) USE_X86_GFX=true
         GFX_MMX_FLAGS="-mmmx -DUSE_X86_GFX"
         GFX_SSE2_FLAGS="-msse2 -DUSE_X86_GFX"
         GFX_EXT_OBJS="graphics_mmx.o graphics_sse2.o"
         CFLAGSEXTRA="$CFLAGSEXTRA -DUSE_X86_GFX";;
x*86)    USE_X86_GFX=true
         GFX_MMX_FLAGS="-mmmx -DUSE_X86_GFX"
         GFX_SSE2_FLAGS="-msse2 -DUSE_X86_GFX"
         GFX_EXT_OBJS="graphics_mmx.o graphics_sse2.o"
         CFLAGSEXTRA="$CFLAGSEXTRA -DUSE_X86_GFX";;
xppc)    USE_PPC_GFX=true
         GFX_MALTIVEC_FLAGS="-maltivec -DUSE_PPC_GFX"
         GFX_EXT_OBJS="graphics_maltivec.o"
         CFLAGSEXTRA="$CFLAGSEXTRA -DUSE_PPC_GFX";;
*)       GFX_EXT_OBJS=;;
esac

cat > Makefile <<_EOF
# -*- makefile-gmake -*-
#
# THIS IS A GENERATED FILE - changes will not be kept if configure is
# run again.  If you wish to customise it, please be sure to give your
# version a different filename.
#
# Makefile for ONScripter-En

WIN32=$W32
OBJSUFFIX=$OBJ
LIBSUFFIX=$LIB
EXESUFFIX=$EXE

PREFIX ?= $PREFIX

# Extra handling for internal libraries.
EXTRADEPS=$DEPS
INTERNAL_SDL=\$(findstring true,$INTERNAL_SDL)
INTERNAL_SMPEG=\$(findstring true,$INTERNAL_SMPEG)
INTERNAL_LIBPNG=\$(findstring true,$INTERNAL_LIBPNG)
INTERNAL_LIBJPEG=\$(findstring true,$INTERNAL_LIBJPEG)
INTERNAL_OGGLIBS=\$(findstring true,$INTERNAL_OGGLIBS)
SDL_CONFIG=$SDL_CONFIG

export PATH     :=   \$(shell pwd)/extlib/bin:\$(PATH)
export CFLAGS   := -I\$(shell pwd)/extlib/include \$(CFLAGS) $VECFLAGS
export CPPFLAGS := -I\$(shell pwd)/extlib/include \$(CPPFLAGS) $VECFLAGS
export LDFLAGS  := -L\$(shell pwd)/extlib/lib \$(LDFLAGS) $EXTRALDFLAGS

export CC      := $CC
export CXX     := $CXX
export MAKE    := $MAKE
export GNUMAKE := $MAKE
export AR      := $AR
export RANLIB  := $RANLIB

# ONScripter variables
OSCFLAGSEXTRA = $CFLAGSEXTRA
INCS = -Iextlib/include \$(shell \$(SDL_CONFIG) --cflags)      \\
                        \$(shell $SMPEG_CONFIG --cflags)    \\
                        \$(shell $FREETYPE_CONFIG --cflags) \\
       \$(shell [ -d extlib/include/SDL ] && echo -Iextlib/include/SDL)
_EOF


case "$SYS" in 
MinGW)

if $INTERNAL_SDL
then
  MY_SDL_LIBS="\$(filter-out -lSDLmain,\$(shell \$(SDL_CONFIG) --static-libs))"
else
  MY_SDL_LIBS="\$(shell \$(SDL_CONFIG) --static-libs)"
fi
cat >> Makefile <<_EOF

LIBS = -Lextlib/lib \\
       -static -Wl,--start-group \\
       $MY_SDL_LIBS \\
       $LINKSDL_ttf \\
       \$(shell $SMPEG_CONFIG --libs) \$(shell $FREETYPE_CONFIG --libs) \\
       $LINKSDL_image $LINKjpeg $LINKpng $LINKz \\
       $LINKSDL_mixer $LINKogg $LINKvorbis $LINKvorbisfile \\
       $LINKbz2 -Wl,--end-group

DEFS = -DWIN32 -DUSE_OGG_VORBIS -DENABLE_1BYTE_CHAR -DINSANI -DHAELETH
EXT_OBJS = SDL_win32_main.o win32rc.o $GFX_EXT_OBJS

_EOF

;;
MacOSX)
cat >> Makefile <<_EOF

LIBS = -Lextlib/lib \\
       \$(shell \$(SDL_CONFIG) --static-libs)         \\
       \$(shell $SMPEG_CONFIG --libs)              \\
       $LINKSDL_ttf \$(shell $FREETYPE_CONFIG --libs) \\
       $LINKSDL_image $LINKjpeg $LINKpng              \\
       $LINKSDL_mixer $LINKogg $LINKvorbis $LINKvorbisfile \\
       $LINKbz2 -lm -framework QuickTime -framework CoreFoundation

DEFS = -DMACOSX -DUTF8_CAPTION -DUTF8_FILESYSTEM -DUSE_OGG_VORBIS -DENABLE_1BYTE_CHAR -DINSANI -DHAELETH
NO_DEFAULT_ICON = true
EXT_OBJS = $GFX_EXT_OBJS

_EOF
;;
Posix)
case "$POSIX" in
Linux)   INTERNAL_LDFLAGS="-ldl -lasound" ;;
FreeBSD) INTERNAL_LDFLAGS="-L/usr/X11R6/lib -lX11 -lXi -lXrandr" ;;
NetBSD)  INTERNAL_LDFLAGS="\$(foreach x,11 i randr ext render,/usr/X11R6/lib/libX\$(x).a) -lossaudio" ;;
OpenBSD) INTERNAL_LDFLAGS="-L/usr/X11R6/lib -lX11 -lXi -lXrandr -lossaudio" ;;
Solaris) INTERNAL_LDFLAGS="-lX11 -lXext"
         EXTRA_DEPS="-DCONST_ICONV" ;;
esac
cat >> Makefile <<_EOF

LIBS = -Lextlib/lib \\
       $LINKSDL_image \$(if \$(findstring true,$INTERNAL_SDL_IMAGE),$LINKjpeg $LINKpng $LINKz) \\
       $LINKSDL_mixer \$(if \$(or \$(findstring true,$INTERNAL_SDL_MIXER),\$(findstring true,$EXPLICIT_OGGLIBS)),$LINKvorbisfile $LINKvorbis $LINKogg) \\
       \$(shell \$(SDL_CONFIG) --libs)      \\
       \$(shell $SMPEG_CONFIG --libs)    \\
       $LINKSDL_ttf \$(shell $FREETYPE_CONFIG --libs) \\
       $LINKbz2 \$(if \$(findstring true,$INTERNAL_SDL),$INTERNAL_LDFLAGS)

DEFS = -DLINUX -DUSE_OGG_VORBIS -DENABLE_1BYTE_CHAR -DINSANI -DHAELETH $EXTRA_DEPS
EXT_OBJS = $GFX_EXT_OBJS
_EOF
;; esac
if [ "$POSIX" = "Linux" ]
then cat >> Makefile <<_EOF

SDL_MIXER_FLAGS = --enable-music-native-midi-gpl
_EOF
fi

cat >> Makefile <<_EOF

.SUFFIXES:
.SUFFIXES: $OBJ .cpp .h .c

ifdef DEBUG
OSCFLAGS = -O0 -g -ggdb -Wpointer-arith -Werror -fomit-frame-pointer -pipe \$(OSCFLAGSEXTRA)
else
OSCFLAGS = -O2 -Wpointer-arith -Werror -fomit-frame-pointer -pipe \$(OSCFLAGSEXTRA)
endif

TARGET = onscripter-en$EXE

onscripter-en$EXE: onscripter$EXE
	cp onscripter$EXE onscripter-en$EXE

.PHONY: all clean distclean
all: \$(TARGET)

SDLOTHERCONFIG := $SDLOTHERCONFIG
OTHERCONFIG := $OTHERCONFIG

include Makefile.extlibs
include Makefile.onscripter

clean: pclean \$(CLEAN_TARGETS)
distclean: clean pdistclean \$(DISTCLEAN_TARGETS)
	rm -r -f extlib/bin/* extlib/lib/* extlib/include/* \\
	         extlib/share extlib/man
	rm -f Makefile

install:
	./install-sh -c -s \$(TARGET) \$(PREFIX)/bin/\$(TARGET)
_EOF

if [ "$SYS" = "MinGW" ]
then
cat >> Makefile <<_EOF

RCFILE ?= onscripter.rc
win32rc.o: \$(RCFILE)
	windres \$< -o \$@

%.rc: %.rc.in version.h
	ver=\`awk '/define VER_NUMBER/ { print $\$3 }' version.h\`; \\
	y=\`expr substr $\$ver 1 4\`; \\
	m=\`expr substr $\$ver 5 2\`; \\
	d=\`expr substr $\$ver 7 2\`; \\
	sed -e "s/@Y@/$\$y/g;s/@M@/$\$m/g;s/@D@/$\$d/g" \$< > \$@

SDL_win32_main.o: SDL_win32_main.c
	\$(CC) \$(INCS) \$(DEFS) -c \$< -o \$@
_EOF
fi

if $USE_X86_GFX
then
cat >> Makefile <<_EOF

graphics_sse2.o: graphics_sse2.cpp graphics_sse2.h graphics_common.h
	\$(CC) \$(INCS) \$(DEFS) $GFX_SSE2_FLAGS -c \$< -o \$@

graphics_mmx.o: graphics_mmx.cpp graphics_mmx.h graphics_common.h
	\$(CC) \$(INCS) \$(DEFS) $GFX_MMX_FLAGS -c \$< -o \$@
_EOF
elif $USE_PPC_GFX
then
cat >> Makefile <<_EOF

graphics_maltivec.o: graphics_maltivec.cpp  graphics_maltivec.h graphics_common.h
	\$(CC) \$(INCS) \$(DEFS) $GFX_MALTIVEC_FLAGS -c \$< -o \$@
_EOF
fi


cat >> Makefile <<_EOF

.PHONY: dist
dist:
	svn export . onscripter-en-$VERSION
	tar cf onscripter-en-$VERSION-fullsrc.tar onscripter-en-$VERSION
	rm -rf onscripter-en-$VERSION/extlib
	tar cf onscripter-en-$VERSION-src.tar onscripter-en-$VERSION
	bzip2 -9 onscripter-en-$VERSION-*src.tar
	rm -rf onscripter-en-$VERSION
_EOF

echo "done"
echo "Now run \"$MAKE\" to build ONScripter-En."