configure

            POWERPCMODE="64bits"
        ;;
        i[3456]86|pentium|pentiumpro|pentium-mmx|pentium[234]|prescott|k6|k6-[23]|athlon|athlon-tbird|athlon-4|athlon-[mx]p|winchip-c6|winchip2|c3|nocona|athlon64|k8|opteron|athlon-fx)
            CFLAGS="$CFLAGS -march=$tune"
        ;;
        *)
        echo "WARNING: Unknown CPU \"$tune\", ignored."
        ;;
    esac
fi

# check for SIMD availability

# AltiVec flags: The FSF version of GCC differs from the Apple version
if test $cpu = "powerpc"; then
    if test $altivec = "yes"; then
        if test -n "`$cc -v 2>&1 | grep version | grep Apple`"; then
            CFLAGS="$CFLAGS -faltivec"
        else
            CFLAGS="$CFLAGS -maltivec -mabi=altivec"
        fi
    fi
fi

check_header altivec.h && _altivec_h=yes || _altivec_h=no

# check if our compiler supports Motorola AltiVec C API
if test $altivec = "yes"; then
    if test $_altivec_h = "yes"; then
        inc_altivec_h="#include <altivec.h>"
    else
        inc_altivec_h=
    fi
    check_cc <<EOF || altivec=no
$inc_altivec_h
int main(void) {
    vector signed int v1, v2, v3;
    v1 = vec_add(v2,v3);
    return 0;
}
EOF
fi

# mmi only available on mips
if test $mmi = "default"; then
    if test $cpu = "mips"; then
        mmi="yes"
    else
        mmi="no"
    fi
fi

# check if our compiler supports mmi
enabled mmi && check_cc <<EOF || mmi="no"
int main(void) {
    __asm__ ("lq \$2, 0(\$2)");
    return 0;
}
EOF

# test gcc version to see if vector builtins can be used
# currently only used on i386 for MMX builtins
check_cc -msse <<EOF && builtin_vector=yes || builtin_vector=no
#include <xmmintrin.h>
int main(void) {
#if __GNUC__ > 3 || (__GNUC__ == 3 && __GNUC_MINOR__ >= 2)
return 0;
#else
#error no vector builtins
#endif
}
EOF

# test for mm3dnow.h
test "$cpu" = "x86_64" && march=k8 || march=athlon
check_cc -march=$march <<EOF && mm3dnow=yes || mm3dnow=no
#include <mm3dnow.h>
int main(void) {
__m64 b1;
b1 = _m_pswapd(b1);
_m_femms();
return 0;
}
EOF

if test "$mingw32" = "yes" -o "$mingwce" = "yes"; then
    if test "$lshared" = "yes" && test "$lstatic" = "yes" ; then
        cat <<EOF
You can only build one library type at once on MinGW.
Specify --disable-static --enable-shared to only build
the shared libraries. To build only the static libraries
you do not need to pass additional options.
EOF
        exit 1
    fi
    v4l="no"
    v4l2="no"
    bktr="no"
    audio_oss="no"
    dv1394="no"
    dc1394="no"
    ffserver="no"
    network="no"
    if test "$mingwce" = "yes"; then
        protocols="no"
    fi
    SLIBPREF=""
    SLIBSUF=".dll"
    EXESUF=".exe"
    if test "$force_prefix" != yes; then prefix="/c/Program Files/FFmpeg"; fi
    if test "$force_libdir" != yes; then bindir="$prefix"; fi
fi

# ---
# big/little-endian test
if test -z "$cross_prefix" ; then
    check_ld <<EOF || die "endian test failed" && $TMPE && bigendian="yes"
#include <inttypes.h>
int main(int argc, char ** argv){
        volatile uint32_t i=0x01234567;
        return (*((uint8_t*)(&i))) == 0x67;
}
EOF
else
    # programs cannot be launched if cross compiling, so make a static guess
    if test "$cpu" = "powerpc" -o "$cpu" = "mips" ; then
        bigendian="yes"
    fi
fi

# ---
# *inttypes.h* test
check_header inttypes.h || inttypes=no

# ---
# *int_fast* test
check_cc <<EOF || emu_fast_int=yes
#include <inttypes.h>
int main(int argc, char ** argv){
        volatile uint_fast64_t i=0x01234567;
        return 0;
}
EOF

# ---
# check availability of some header files

_memalign=no
_malloc_h=no
if check_header malloc.h; then
    _malloc_h=yes
    _memalign=yes
    check_func memalign || _memalign="no"
fi

if test "$_memalign" = "no" -a "$mmx" = "yes" -a "$memalignhack" != "yes"; then
    die "Error, no memalign() but SSE enabled, disable it or use --enable-memalign-hack."
fi

check_func localtime_r && localtime_r=yes || localtime_r=no
enabled zlib && check_lib zlib.h zlibVersion -lz || zlib="no"
enabled lzo && enabled gpl && check_lib lzo1x.h lzo_version -llzo || lzo="no"

# check for some common methods of building with pthread support
# do this before the optional library checks as some of them require pthreads
if enabled pthreads; then
    { check_cflags -pthread && check_ldflags -pthread; } ||
    { check_cflags -pthreads && check_ldflags -pthreads; } ||
    check_lib pthread.h pthread_create -lpthread ||
    check_func pthread_create ||
    die "ERROR: can't find pthreads library"
fi

# these are off by default, so fail if requested and not available
enabled dts     && require libdts dts.h dts_init -ldts
enabled libgsm  && require libgsm gsm.h gsm_create -lgsm
enabled mp3lame && require LAME lame/lame.h lame_init -lmp3lame
enabled libogg  && require libogg ogg/ogg.h ogg_sync_init -logg
enabled vorbis  && require libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbis -lvorbisenc
enabled theora  && require libtheora theora/theora.h theora_info_init -ltheora
enabled faad    && require libfaad faad.h faacDecOpen -lfaad
enabled xvid    && require XviD xvid.h xvid_global -lxvidcore
enabled x264    && require x264 x264.h x264_encoder_open -lx264
enabled dc1394  && require libdc1394 libdc1394/dc1394_control.h dc1394_create_handle -ldc1394_control -lraw1394
enabled sunmlib && require mediaLib mlib_types.h mlib_VectorSub_S16_U8_Mod -lmlib

# Ugh, faac uses stdcall calling convention on win32 so we can't use
# the generic test functions
if enabled faac; then
    save_flags
    temp_extralibs -lfaac
    check_ld <<EOF && add_extralibs -lfaac || die "ERROR: libfaac not found"
#include <stdint.h>
#include <faac.h>
int main(){
    char *id, *cpr;
    faacEncGetVersion(&id, &cpr);
    return 0;
}
EOF
    restore_flags
fi

# test for lrintf in math.h
check_exec <<EOF && have_lrintf=yes || have_lrintf=no
#define _ISOC9X_SOURCE  1
#include <math.h>
int main( void ) { return (lrintf(3.999f) > 0)?0:1; }
EOF

_restrict=
for restrict_keyword in restrict __restrict__ __restrict; do
    check_cc <<EOF && _restrict=$restrict_keyword && break
void foo(char * $restrict_keyword p);
EOF
done

# dlopen/dlfcn.h probing

check_header dlfcn.h && dlfcn=yes

temp_extralibs -ldl
if check_func dlopen; then
    dlopen=yes
    ldl=-ldl
fi
restore_flags

if check_func dlopen; then
    dlopen=yes
    ldl=
fi

if test "$vhook" = "default"; then
    vhook="$dlopen"
fi

if test "$vhook" = "yes" -o "$a52bin" = "yes" -o "$faadbin" = "yes"; then
    add_extralibs $ldl
fi


##########################################
# imlib check

temp_extralibs -lImlib2
check_ld <<EOF && imlib2=yes || imlib2=no
#include <X11/Xlib.h>
#include <Imlib2.h>
int main( void ) { return (int) imlib_load_font("foo"); }
EOF
restore_flags

##########################################
# FreeType check

freetype2=no
if test "x$targetos" != "xBeOS"; then
  if (freetype-config --version) >/dev/null 2>&1 ; then
      temp_cflags `freetype-config --cflags`
      temp_extralibs `freetype-config --libs`
      check_ld <<EOF && freetype2=yes
#include <ft2build.h>
int main( void ) { return (int) FT_Init_FreeType(0); }
EOF
      restore_flags
  fi
fi

##########################################
# SDL check

sdl_too_old=no
sdl=no
SDL_CONFIG="${cross_prefix}sdl-config"
if ("${SDL_CONFIG}" --version) >/dev/null 2>&1 ; then
    temp_cflags `"${SDL_CONFIG}" --cflags`
    temp_extralibs `"${SDL_CONFIG}" --libs`
    check_ld <<EOF
#include <SDL.h>
#undef main /* We don't want SDL to override our main() */
int main( void ) { return SDL_Init (SDL_INIT_VIDEO); }
EOF
    if test $? = 0; then
        _sdlversion=`"${SDL_CONFIG}" --version | sed 's/[^0-9]//g'`
        if test "$_sdlversion" -lt 121 ; then
            sdl_too_old=yes
        else
            sdl=yes
            check_cc <<EOF && sdl_video_size=yes || sdl_video_size=no
#include <SDL.h>
int main(void){
    const SDL_VideoInfo *vi = SDL_GetVideoInfo();
    int w = vi->current_w;
    return 0;
}
EOF
        fi
    fi
    restore_flags
fi

enabled sdl || ffplay=no

##########################################
# texi2html check

texi2html=no
if (texi2html -version) >/dev/null 2>&1; then
texi2html=yes
fi

##########################################
# IPv6 check

enabled network && check_ld <<EOF && ipv6=yes || ipv6=no
#include <sys/types.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include <netdb.h>
int main( void ) {
  struct sockaddr_storage saddr;
  struct ipv6_mreq mreq6;
  getaddrinfo(0,0,0,0);
  getnameinfo(0,0,0,0,0,0,0);
  IN6_IS_ADDR_MULTICAST((const struct in6_addr *)0);
}
EOF

# check for video4linux2 --- V4L2_PIX_FMT_YUV420
enabled v4l2 && check_cc <<EOF || v4l2="no"
#include <sys/time.h>
#include <asm/types.h>
#include <linux/videodev2.h>
int dummy = V4L2_PIX_FMT_YUV420;
struct v4l2_buffer dummy1;
EOF

enabled debug && add_cflags -g

# add some useful compiler flags if supported
check_cflags -Wdeclaration-after-statement
check_cflags -Wall
check_cflags -Wno-switch

# add some linker flags
check_ldflags '-Wl,--as-needed' '-Wl,-rpath-link,\$(BUILD_ROOT)/libavcodec' '-Wl,-rpath-link,\$(BUILD_ROOT)/libavformat' '-Wl,-rpath-link,\$(BUILD_ROOT)/libavutil'

# not all compilers support -Os
test "$optimize" = "small" && check_cflags -Os

if enabled optimize; then
    if test -n "`$cc -v 2>&1 | grep xlc`"; then
        CFLAGS="$CFLAGS -O5"
        LDFLAGS="$LDFLAGS -O5"
    else
        CFLAGS="-O3 $CFLAGS"
    fi
fi

# PIC flags for shared library objects where they are needed
if test "$lshared" = "yes" ; then
    # LIBOBJFLAGS may have already been set in the OS configuration
    if test -z "$LIBOBJFLAGS" ; then
        if test "$cpu" = "x86_64" -o "$cpu" = "ia64" -o "$cpu" = "alpha" ; then
            LIBOBJFLAGS="\$(PIC)"
        fi
    fi
fi

if test x"$bindir" = x""; then
    bindir="${prefix}/bin"
fi

if test x"$libdir" = x""; then
    libdir="${prefix}/lib"
fi

if test x"$incdir" = x""; then
    incdir="${prefix}/include/ffmpeg"
fi

if test x"$mandir" = x""; then
    mandir="${prefix}/man"
fi

echo "install prefix   $prefix"
echo "source path      $source_path"
echo "C compiler       $cc"
echo "make             $make"
echo "CPU              $cpu ($tune)"
if test "$BUILDSUF" != ""; then
    echo "build suffix     $BUILDSUF"
fi
echo "big-endian       $bigendian"
echo "inttypes.h       $inttypes"
echo "broken inttypes.h $emu_fast_int"
if test $cpu = "x86" -o $cpu = "x86_64"; then
    echo "MMX enabled      $mmx"
    echo "Vector Builtins  $builtin_vector"
    echo "3DNow! Builtins  $mm3dnow"
fi
if test $cpu = "armv4l"; then
    echo "IWMMXT enabled   $iwmmxt"
fi
if test $cpu = "mips"; then
    echo "MMI enabled      $mmi"
fi
if test $cpu = "powerpc"; then
    echo "AltiVec enabled  $altivec"
fi
echo "gprof enabled    $gprof"
echo "zlib enabled     $zlib"
echo "lzo enabled      $lzo"
echo "libgsm enabled   $libgsm"
echo "mp3lame enabled  $mp3lame"
echo "libogg enabled   $libogg"
echo "Vorbis enabled   $vorbis"
echo "Theora enabled   $theora"
echo "FAAD enabled     $faad"
echo "faadbin enabled  $faadbin"
echo "FAAC enabled     $faac"
echo "XviD enabled     $xvid"
echo "x264 enabled     $x264"
echo "a52 support      $a52"
echo "a52 dlopened     $a52bin"
echo "DTS support      $dts"
echo "pp support       $pp"
echo "debug symbols    $debug"
echo "strip symbols    $dostrip"
echo "optimize         $optimize"
echo "static           $lstatic"
echo "shared           $lshared"
echo "video hooking    $vhook"
echo "SDL support      $sdl"
if test $sdl_too_old = "yes"; then
    echo "-> Your SDL version is too old - please upgrade to have FFplay/SDL support."
fi

if test "$vhook" = "yes"; then
    echo "Imlib2 support   $imlib2"
    echo "FreeType support $freetype2"
fi
echo "Sun medialib support"  $sunmlib
echo "pthreads support"      $pthreads
echo "AMR-NB float support"  $amr_nb
echo "AMR-NB fixed support"  $amr_nb_fixed
echo "AMR-WB float support"  $amr_wb
echo "AMR-WB IF2 support"    $amr_if2
echo "network support      $network"
if test "$network" = "yes" ; then
    echo "IPv6 support         $ipv6"
fi
if test "$gpl" = "no" ; then
    echo "License: LGPL"
else
    echo "License: GPL"
fi

echo "Creating config.mak and config.h..."

date >> config.log
echo "   $0 $FFMPEG_CONFIGURATION" >> config.log
echo "# Automatically generated by configure - do not modify!" > config.mak
echo "/* Automatically generated by configure - do not modify! */" > $TMPH
echo "#define FFMPEG_CONFIGURATION "'"'"$FFMPEG_CONFIGURATION"'"' >> $TMPH

echo "prefix=\$(DESTDIR)$prefix" >> config.mak
echo "libdir=\$(DESTDIR)$libdir" >> config.mak
echo "incdir=\$(DESTDIR)$incdir" >> config.mak
echo "bindir=\$(DESTDIR)$bindir" >> config.mak
echo "mandir=\$(DESTDIR)$mandir" >> config.mak
echo "MAKE=$make" >> config.mak
echo "CC=$cc" >> config.mak
echo "AR=$ar" >> config.mak
echo "RANLIB=$ranlib" >> config.mak
if test "$dostrip" = "yes" ; then
    echo "STRIP=$strip" >> config.mak
    echo "INSTALLSTRIP=$installstrip" >> config.mak
else
    echo "STRIP=echo ignoring strip" >> config.mak
    echo "INSTALLSTRIP=" >> config.mak
fi

# SHCFLAGS is a copy of CFLAGS without -mdynamic-no-pic, used when building
# shared modules on OS/X (vhook/Makefile).
SHCFLAGS="$CFLAGS"
test "$needmdynamicnopic" = yes && add_cflags -mdynamic-no-pic

echo "OPTFLAGS=$CFLAGS" >> config.mak
echo "SHCFLAGS=$SHCFLAGS">>config.mak
echo "LDFLAGS=$LDFLAGS" >> config.mak
echo "LDCONFIG=$LDCONFIG" >> config.mak
echo "FFSLDFLAGS=$FFSLDFLAGS" >> config.mak
echo "SHFLAGS=$SHFLAGS" >> config.mak
echo "LIBOBJFLAGS=$LIBOBJFLAGS" >> config.mak
echo "BUILD_STATIC=$lstatic" >> config.mak
echo "BUILDSUF=$BUILDSUF" >> config.mak
echo "LIBPREF=$LIBPREF" >> config.mak
echo "LIBSUF=\${BUILDSUF}$LIBSUF" >> config.mak
if test "$lstatic" = "yes" ; then
  echo "LIB=$LIB" >> config.mak
else # Some Make complain if this variable does not exist.
  echo "LIB=" >> config.mak
fi
echo "SLIBPREF=$SLIBPREF" >> config.mak
echo "SLIBSUF=\${BUILDSUF}$SLIBSUF" >> config.mak
echo "EXESUF=\${BUILDSUF}$EXESUF" >> config.mak
echo "TARGET_OS=$TARGET_OS" >> config.mak
if test "$cpu" = "x86" ; then
  echo "TARGET_ARCH_X86=yes" >> config.mak
  echo "#define ARCH_X86 1" >> $TMPH
elif test "$cpu" = "x86_64" ; then
  echo "TARGET_ARCH_X86_64=yes" >> config.mak
  echo "#define ARCH_X86_64 1" >> $TMPH
elif test "$cpu" = "armv4l" ; then
  echo "TARGET_ARCH_ARMV4L=yes" >> config.mak
  echo "#define ARCH_ARMV4L 1" >> $TMPH
elif test "$cpu" = "alpha" ; then
  echo "TARGET_ARCH_ALPHA=yes" >> config.mak
  echo "#define ARCH_ALPHA 1" >> $TMPH
elif test "$cpu" = "sparc64" ; then
  echo "TARGET_ARCH_SPARC64=yes" >> config.mak
  echo "#define ARCH_SPARC64 1" >> $TMPH
  echo "TARGET_ARCH_SPARC=yes" >> config.mak
  echo "#define ARCH_SPARC 1" >> $TMPH
elif test "$cpu" = "sparc" ; then
  echo "TARGET_ARCH_SPARC=yes" >> config.mak
  echo "#define ARCH_SPARC 1" >> $TMPH
elif test "$cpu" = "powerpc" ; then
  echo "TARGET_ARCH_POWERPC=yes" >> config.mak
  echo "#define ARCH_POWERPC 1" >> $TMPH
  if test $POWERPCMODE = "32bits"; then
    echo "#define POWERPC_MODE_32BITS 1" >> $TMPH
  else
    echo "#define POWERPC_MODE_64BITS 1" >> $TMPH
  fi
  if test "$powerpc_perf" = "yes"; then
    echo "#define POWERPC_PERFORMANCE_REPORT 1" >> $TMPH
  fi
elif test "$cpu" = "mips" ; then
  echo "TARGET_ARCH_MIPS=yes" >> config.mak
  echo "#define ARCH_MIPS 1" >> $TMPH
elif test "$cpu" = "sh4" ; then
  echo "TARGET_ARCH_SH4=yes" >> config.mak
  echo "#define ARCH_SH4 1" >> $TMPH
elif test "$cpu" = "parisc" ; then
  echo "TARGET_ARCH_PARISC=yes" >> config.mak
  echo "#define ARCH_PARISC 1" >> $TMPH
elif test "$cpu" = "s390" ; then
  echo "TARGET_ARCH_S390=yes" >> config.mak
  echo "#define ARCH_S390 1" >> $TMPH
elif test "$cpu" = "m68k" ; then
  echo "TARGET_ARCH_M68K=yes" >> config.mak
  echo "#define ARCH_M68K 1" >> $TMPH
elif test "$cpu" = "ia64" ; then
  echo "TARGET_ARCH_IA64=yes" >> config.mak
  echo "#define ARCH_IA64 1" >> $TMPH
fi
echo "#define TUNECPU $TUNECPU" >> $TMPH
if test "$bigendian" = "yes" ; then
  echo "WORDS_BIGENDIAN=yes" >> config.mak
  echo "#define WORDS_BIGENDIAN 1" >> $TMPH
fi
if test "$inttypes" != "yes" ; then
  echo "#define EMULATE_INTTYPES 1" >> $TMPH
fi
if test "$emu_fast_int" = "yes" ; then
  echo "#define EMULATE_FAST_INT 1" >> $TMPH
fi
if test "$mmx" = "yes" ; then
  echo "TARGET_MMX=yes" >> config.mak
  echo "#define HAVE_MMX 1" >> $TMPH
  echo "#define __CPU__ 586" >> $TMPH
fi
if test "$builtin_vector" = "yes" ; then
  echo "TARGET_BUILTIN_VECTOR=yes" >> config.mak
  echo "#define HAVE_BUILTIN_VECTOR 1" >> $TMPH
fi
if test "$mm3dnow" = "yes" ; then
  echo "TARGET_BUILTIN_3DNOW=yes" >> config.mak
  echo "#define HAVE_MM3DNOW 1" >> $TMPH
fi
if test "$iwmmxt" = "yes" ; then
  echo "TARGET_IWMMXT=yes" >> config.mak
  echo "#define HAVE_IWMMXT 1" >> $TMPH
fi
if test "$mmi" = "yes" ; then
  echo "TARGET_MMI=yes" >> config.mak
  echo "#define HAVE_MMI 1" >> $TMPH
fi
if test "$altivec" = "yes" ; then
  echo "TARGET_ALTIVEC=yes" >> config.mak
  echo "#define HAVE_ALTIVEC 1" >> $TMPH
  echo "// Enable the next line to use the reference C code instead of AltiVec" >> $TMPH
  echo "// #define ALTIVEC_USE_REFERENCE_C_CODE 1" >> $TMPH
  if test "$_altivec_h" = "yes" ; then
    echo "#define HAVE_ALTIVEC_H 1" >> $TMPH
  else
    echo "#undef HAVE_ALTIVEC_H" >> $TMPH
  fi
fi
if test "$gprof" = "yes" ; then
  echo "TARGET_GPROF=yes" >> config.mak
  echo "#define HAVE_GPROF 1" >> $TMPH
fi
if test "$localtime_r" = "yes" ; then
  echo "#define HAVE_LOCALTIME_R 1" >> $TMPH
fi
if test "$imlib2" = "yes" ; then
  echo "HAVE_IMLIB2=yes" >> config.mak
fi
if test "$freetype2" = "yes" ; then
  echo "HAVE_FREETYPE2=yes" >> config.mak
fi
if test "$sunmlib" = "yes" ; then
  echo "HAVE_MLIB=yes" >> config.mak
  echo "#define HAVE_MLIB 1" >> $TMPH
fi
if test "$pthreads" = "yes" ; then
  echo "HAVE_PTHREADS=yes" >> config.mak
  echo "#define HAVE_PTHREADS 1" >> $TMPH
  echo "#define HAVE_THREADS 1" >> $TMPH
fi
if test "$sdl" = "yes" ; then
  echo "CONFIG_SDL=yes" >> config.mak
  echo "SDL_LIBS=`"${SDL_CONFIG}" --libs`" >> config.mak
  echo "SDL_CFLAGS=`"${SDL_CONFIG}" --cflags`" >> config.mak
  if test "$sdl_video_size" = "yes"; then
    echo "#define HAVE_SDL_VIDEO_SIZE 1" >> $TMPH
  fi
fi
if test "$texi2html" = "yes"; then
  echo "BUILD_DOC=yes" >> config.mak
fi
if test "$have_lrintf" = "yes" ; then
  echo "#define HAVE_LRINTF 1" >> $TMPH
fi
if test "$vhook" = "yes" ; then
  echo "BUILD_VHOOK=yes" >> config.mak
  echo "#define HAVE_VHOOK 1" >> $TMPH
fi

pp_version=`grep '#define LIBPOSTPROC_VERSION ' "$source_path/libpostproc/postprocess.h" | sed 's/[^0-9\.]//g'`
lavc_version=`grep '#define LIBAVCODEC_VERSION ' "$source_path/libavcodec/avcodec.h" | sed 's/[^0-9\.]//g'`
lavf_version=`grep '#define LIBAVFORMAT_VERSION ' "$source_path/libavformat/avformat.h" | sed 's/[^0-9\.]//g'`
lavu_version=`grep '#define LIBAVUTIL_VERSION ' "$source_path/libavutil/avutil.h" | sed 's/[^0-9\.]//g'`



if test "$lshared" = "yes" ; then
  echo "#define BUILD_SHARED_AV 1" >> $TMPH
  echo "BUILD_SHARED=yes" >> config.mak
  echo "PIC=-fPIC -DPIC" >> config.mak
  echo "SPPMAJOR=${lavc_version%%.*}" >> config.mak
  echo "SPPVERSION=$lavc_version" >> config.mak
  echo "LAVCMAJOR=${lavc_version%%.*}" >> config.mak
  echo "LAVCVERSION=$lavc_version" >> config.mak
  echo "LAVFMAJOR=${lavf_version%%.*}" >> config.mak
  echo "LAVFVERSION=$lavf_version" >> config.mak
  echo "LAVUMAJOR=${lavu_version%%.*}" >> config.mak
  echo "LAVUVERSION=$lavu_version" >> config.mak
  echo "SLIBNAME=${SLIBNAME}" >> config.mak
  echo "SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}" >> config.mak
  echo "SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}" >> config.mak
fi
echo "EXTRALIBS=$extralibs" >> config.mak

# If you do not want to use encoders, disable them.
echo "#define CONFIG_ENCODERS 1" >> $TMPH
echo "CONFIG_ENCODERS=yes" >> config.mak

# If you do not want to use decoders, disable them.
echo "#define CONFIG_DECODERS 1" >> $TMPH
echo "CONFIG_DECODERS=yes" >> config.mak

# muxers
if test "$muxers" = "yes" ; then
  echo "#define CONFIG_MUXERS 1" >> $TMPH
  echo "CONFIG_MUXERS=yes" >> config.mak
fi

# demuxers
if test "$demuxers" = "yes" ; then
  echo "#define CONFIG_DEMUXERS 1" >> $TMPH
  echo "CONFIG_DEMUXERS=yes" >> config.mak
fi

# AC3
if test "$a52" = "yes" ; then
  echo "#define CONFIG_AC3 1" >> $TMPH
  echo "CONFIG_AC3=yes" >> config.mak

  if test "$a52bin" = "yes" ; then
    echo "#define CONFIG_A52BIN 1" >> $TMPH
    echo "CONFIG_A52BIN=yes" >> config.mak
  fi
fi

# DTS
if test "$dts" = "yes" ; then
  echo "#define CONFIG_DTS 1" >> $TMPH
  echo "CONFIG_DTS=yes" >> config.mak
fi

# PP
if test "$pp" = "yes" ; then
  echo "#define CONFIG_PP 1" >> $TMPH
  echo "CONFIG_PP=yes" >> config.mak
fi

# MPEG audio high precision mode
if test "$mpegaudio_hp" = "yes" ; then
  echo "#define CONFIG_MPEGAUDIO_HP 1" >> $TMPH
fi

if test "$v4l" = "yes" ; then
  echo "#define CONFIG_VIDEO4LINUX 1" >> $TMPH
  echo "CONFIG_VIDEO4LINUX=yes" >> config.mak
fi

if test "$v4l2" = "yes" ; then
  echo "#define CONFIG_VIDEO4LINUX2 1" >> $TMPH
  echo "CONFIG_VIDEO4LINUX2=yes" >> config.mak
fi

if test "$bktr" = "yes" ; then
  echo "#define CONFIG_BKTR 1" >> $TMPH
  echo "CONFIG_BKTR=yes" >> config.mak
fi

if test "$dv1394" = "yes" ; then
  echo "#define CONFIG_DV1394 1" >> $TMPH
  echo "CONFIG_DV1394=yes" >> config.mak
fi

if test "$dc1394" = "yes" ; then
  echo "#define CONFIG_DC1394 1" >> $TMPH
  echo "CONFIG_DC1394=yes" >> config.mak
fi

if test "$dlopen" = "yes" ; then
  echo "#define CONFIG_HAVE_DLOPEN 1" >> $TMPH
fi

if test "$dlfcn" = "yes" ; then
  echo "#define CONFIG_HAVE_DLFCN 1" >> $TMPH
fi

if test "$audio_oss" = "yes" ; then
  echo "#define CONFIG_AUDIO_OSS 1" >> $TMPH
  echo "CONFIG_AUDIO_OSS=yes" >> config.mak
fi

if test "$audio_beos" = "yes" ; then
  echo "#define CONFIG_AUDIO_BEOS 1" >> $TMPH
  echo "CONFIG_AUDIO_BEOS=yes" >> config.mak
fi

if test "$network" = "yes" ; then
  echo "#define CONFIG_NETWORK 1" >> $TMPH
  echo "CONFIG_NETWORK=yes" >> config.mak
fi

if test "$ipv6" = "yes" ; then
  echo "#define CONFIG_IPV6 1" >> $TMPH
fi

if test "$zlib" = "yes" ; then
  echo "#define CONFIG_ZLIB 1" >> $TMPH
  echo "CONFIG_ZLIB=yes" >> config.mak
fi

if test "$lzo" = "yes" ; then
  echo "#define CONFIG_LZO 1" >> $TMPH
  echo "CONFIG_LZO=yes" >> config.mak
fi

if test "$libgsm" = "yes" ; then
  echo "#define CONFIG_LIBGSM 1" >> $TMPH
  echo "CONFIG_LIBGSM=yes" >> config.mak
fi

if test "$mp3lame" = "yes" ; then
  echo "#define CONFIG_MP3LAME 1" >> $TMPH
  echo "CONFIG_MP3LAME=yes" >> config.mak
fi

if test "$libogg" = "yes" ; then
  echo "#define CONFIG_LIBOGG 1" >> $TMPH
  echo "CONFIG_LIBOGG=yes" >> config.mak
fi

if test "$vorbis" = "yes" ; then
  echo "#define CONFIG_LIBVORBIS 1" >> $TMPH
  echo "CONFIG_LIBVORBIS=yes" >> config.mak
fi

if test "$theora" = "yes" ; then
  echo "#define CONFIG_LIBTHEORA 1" >> $TMPH
  echo "CONFIG_LIBTHEORA=yes" >> config.mak
fi

if test "$faad" = "yes" ; then
  echo "#define CONFIG_FAAD 1" >> $TMPH
  echo "CONFIG_FAAD=yes" >> config.mak
fi

if test "$faadbin" = "yes" ; then
  echo "#define CONFIG_FAADBIN 1" >> $TMPH
  echo "CONFIG_FAADBIN=yes" >> config.mak
fi

if test "$faac" = "yes" ; then
  echo "#define CONFIG_FAAC 1" >> $TMPH
  echo "CONFIG_FAAC=yes" >> config.mak
fi

if test "$xvid" = "yes" ; then
  echo "#define CONFIG_XVID 1" >> $TMPH
  echo "CONFIG_XVID=yes" >> config.mak
fi

if test "$x264" = "yes" ; then
  echo "#define CONFIG_X264 1" >> $TMPH
  echo "CONFIG_X264=yes" >> config.mak
fi

if test "$mingw32" = "yes" ; then
  echo "#define CONFIG_WIN32 1" >> $TMPH
  echo "CONFIG_WIN32=yes" >> config.mak
  echo "HAVE_W32THREADS=yes" >> config.mak
  echo "#define HAVE_W32THREADS 1" >> $TMPH
  echo "#define HAVE_THREADS 1" >> $TMPH
  echo "#ifndef __MINGW32__" >> $TMPH
  echo "#define __MINGW32__ 1" >> $TMPH
  echo "#endif" >> $TMPH
fi

if test "$mingwce" = "yes" ; then
  echo "#define CONFIG_WIN32 1" >> $TMPH
  echo "CONFIG_WIN32=yes" >> config.mak
  echo "#define CONFIG_WINCE 1" >> $TMPH
  echo "CONFIG_WINCE=yes" >> config.mak
  echo "#ifndef __MINGW32__" >> $TMPH
  echo "#define __MINGW32__ 1" >> $TMPH
  echo "#endif" >> $TMPH
fi

if test "$os2" = "yes" ; then
  echo "#define CONFIG_OS2 1" >> $TMPH
  echo "CONFIG_OS2=yes" >> config.mak
  echo "HAVE_OS2THREADS=yes" >> config.mak
  echo "#define HAVE_OS2THREADS 1" >> $TMPH
  echo "#define HAVE_THREADS 1" >> $TMPH
fi

if test "$TARGET_OS" = "SunOS" ; then
  echo "#define CONFIG_SUNOS 1" >> $TMPH
fi

if test "$TARGET_OS" = "BeOS" ; then
  echo "HAVE_BEOSTHREADS=yes" >> config.mak
  echo "#define HAVE_BEOSTHREADS 1" >> $TMPH
  echo "#define HAVE_THREADS 1" >> $TMPH
fi

if test "$darwin" = "yes"; then
  echo "#define CONFIG_DARWIN 1"  >> $TMPH
  echo "CONFIG_DARWIN=yes" >> config.mak
fi

if test "$_malloc_h" = "yes" ; then
  echo "#define HAVE_MALLOC_H 1" >> $TMPH
else
  echo "#undef  HAVE_MALLOC_H" >> $TMPH
fi

if test "$_memalign" = "yes" ; then
  echo "#define HAVE_MEMALIGN 1" >> $TMPH
else
  echo "#undef  HAVE_MEMALIGN" >> $TMPH
fi

if test "$memalignhack" = "yes" ; then
  echo "#define MEMALIGN_HACK 1" >> $TMPH
fi


if test "$netserver" = "yes" ; then
  echo "#define CONFIG_BEOS_NETSERVER 1" >> $TMPH
  echo "CONFIG_BEOS_NETSERVER=yes" >> config.mak
fi

if test "$need_inet_aton" = "yes" ; then
  echo "NEED_INET_ATON=yes" >> config.mak
fi

if test "$simpleidct" = "yes" ; then
  echo "#define SIMPLE_IDCT 1" >> $TMPH
fi

if test "$protocols" = "yes" ; then
  echo "#define CONFIG_PROTOCOLS 1" >> $TMPH
  echo "CONFIG_PROTOCOLS=yes" >> config.mak
fi

if test "$ffserver" = "yes" ; then
  echo "#define CONFIG_FFSERVER 1" >> $TMPH
  echo "CONFIG_FFSERVER=yes" >> config.mak
fi

if test "$ffplay" = "yes" ; then
  echo "CONFIG_FFPLAY=yes" >> config.mak
fi

if test "$gpl" = "yes" ; then
  echo "#define CONFIG_GPL 1" >> $TMPH
  echo "CONFIG_GPL=yes" >> config.mak
fi

echo "#define restrict $_restrict" >> $TMPH

if test "$optimize" = "small"; then
  echo "#define always_inline"  >> $TMPH
fi

# build tree in object directory if source path is different from current one
if test "$source_path_used" = "yes" ; then
    DIRS="\
         doc \
         libavformat \
         libavcodec \
         libavcodec/alpha \
         libavcodec/armv4l \
         libavcodec/i386 \
         libavcodec/sparc \
         libavcodec/mlib \
         libavcodec/ppc \
         libavcodec/liba52 \
         libpostproc \
         libavutil \
         tests \
         vhook \
         "
    FILES="\
          Makefile \
          libavformat/Makefile \
          libavcodec/Makefile \
          libpostproc/Makefile \
          libavutil/Makefile \
          tests/Makefile \
          vhook/Makefile \
          doc/Makefile \
          doc/texi2pod.pl \
          "
    for dir in $DIRS ; do
            mkdir -p $dir
    done
    for f in $FILES ; do
        ln -sf "$source_path/$f" $f
    done
fi
echo "SRC_PATH=$source_path" >> config.mak
echo "BUILD_ROOT=$PWD" >> config.mak

if test "$amr" = "yes" ; then
  echo "#define AMR 1" >> $TMPH
  echo "AMR=yes" >> config.mak
fi

if test "$amr_wb" = "yes" ; then
  echo "#define AMR_WB 1" >> $TMPH
  echo "AMR_WB=yes" >> config.mak
  echo
  echo "AMR WB FLOAT NOTICE ! Make sure you have downloaded TS26.204"
  echo "V5.1.0 from "
  echo "http://www.3gpp.org/ftp/Specs/archive/26_series/26.204/26204-510.zip"
  echo "and extracted the source to libavcodec/amrwb_float"
fi

if test "$amr_nb" = "yes" ; then
  echo "#define AMR_NB 1" >> $TMPH
  echo "AMR_NB=yes" >> config.mak
  echo
  echo "AMR NB FLOAT NOTICE ! Make sure you have downloaded TS26.104"
  echo "REL-5 V5.1.0 from "
  echo "http://www.3gpp.org/ftp/Specs/archive/26_series/26.104/26104-510.zip"
  echo "and extracted the source to libavcodec/amr_float"
  echo "If you try this on alpha, you may need to change Word32 to int in amr/typedef.h"
fi

if test "$amr_nb_fixed" = "yes" ; then
  echo "#define AMR_NB_FIXED 1" >> $TMPH
  echo "AMR_NB_FIXED=yes" >> config.mak
  echo
  echo "AMR NB FIXED POINT NOTICE! Make sure you have downloaded TS26.073 "
  echo "REL-5 version 5.1.0 from "
  echo "http://www.3gpp.org/ftp/Specs/archive/26_series/26.073/26073-510.zip"
  echo "and extracted src to libavcodec/amr"