configure

   1 #!/bin/sh
   2 #
   3 # FFmpeg configure script
   4 #
   5 # Copyright (c) 2000, 2001, 2002 Fabrice Bellard
   6 # Copyright (c) 2005-2006 Diego Biurrun
   7 # Copyright (c) 2005-2006 Mans Rullgard
   8 #
   9
  10 # make sure we are running under a compatible shell
  11 # try to make this part work with most shells
  12
  13 try_exec(){
  14     echo "Trying shell $1"
  15     type "$1" >/dev/null 2>&1 && exec "$@"
  16 }
  17
  18 unset foo
  19 (: ${foo%%bar}) 2>/dev/null
  20 E1="$?"
  21
  22 (: ${foo?}) 2>/dev/null
  23 E2="$?"
  24
  25 if test "$E1" != 0 || test "$E2" = 0; then
  26     echo "Broken shell detected.  Trying alternatives."
  27     export FF_CONF_EXEC
  28     if test "0$FF_CONF_EXEC" -lt 1; then
  29         FF_CONF_EXEC=1
  30         try_exec bash "$0" "$@"
  31     fi
  32     if test "0$FF_CONF_EXEC" -lt 2; then
  33         FF_CONF_EXEC=2
  34         try_exec ksh "$0" "$@"
  35     fi
  36     if test "0$FF_CONF_EXEC" -lt 3; then
  37         FF_CONF_EXEC=3
  38         try_exec /usr/xpg4/bin/sh "$0" "$@"
  39     fi
  40     echo "No compatible shell script interpreter found."
  41     echo "This configure script requires a POSIX-compatible shell"
  42     echo "such as bash or ksh."
  43     echo "THIS IS NOT A BUG IN FFMPEG, DO NOT REPORT IT AS SUCH."
  44     echo "Instead, install a working POSIX-compatible shell."
  45     echo "Disabling this configure test will create a broken FFmpeg."
  46     if test "$BASH_VERSION" = '2.04.0(1)-release'; then
  47         echo "This bash version ($BASH_VERSION) is broken on your platform."
  48         echo "Upgrade to a later version if available."
  49     fi
  50     exit 1
  51 fi
  52
  53 show_help(){
  54   echo "Usage: configure [options]"
  55   echo "Options: [defaults in brackets after descriptions]"
  56   echo
  57   echo "Standard options:"
  58   echo "  --help                   print this message"
  59   echo "  --log[=FILE|yes|no]      log tests and output to FILE [config.err]"
  60   echo "  --prefix=PREFIX          install in PREFIX [$PREFIX]"
  61   echo "  --libdir=DIR             install libs in DIR [PREFIX/lib]"
  62   echo "  --shlibdir=DIR           install shared libs in DIR [PREFIX/lib]"
  63   echo "  --incdir=DIR             install includes in DIR [PREFIX/include/ffmpeg]"
  64   echo "  --mandir=DIR             install man page in DIR [PREFIX/man]"
  65   echo "  --enable-static          build static libraries [default=yes]"
  66   echo "  --disable-static         do not build static libraries [default=no]"
  67   echo "  --enable-shared          build shared libraries [default=no]"
  68   echo "  --disable-shared         do not build shared libraries [default=yes]"
  69   echo "  --enable-gpl             allow use of GPL code, the resulting libav*"
  70   echo "                           and ffmpeg will be under GPL [default=no]"
  71   echo "  --enable-pp              enable GPLed postprocessing support [default=no]"
  72   echo "  --enable-swscaler        software scaler support [default=no]"
  73   echo "  --enable-beosthreads     use BeOS threads [default=no]"
  74   echo "  --enable-os2threads      use OS/2 threads [default=no]"
  75   echo "  --enable-pthreads        use pthreads [default=no]"
  76   echo "  --enable-w32threads      use Win32 threads [default=no]"
  77   echo "  --enable-x11grab         enable X11 grabbing [default=no]"
  78   echo
  79   echo "External library support:"
  80   echo "  --enable-sunmlib         use Sun medialib [default=no]"
  81   echo "  --enable-dc1394          enable IIDC-1394 grabbing using libdc1394"
  82   echo "                           and libraw1394 [default=no]"
  83   echo "  --enable-liba52          enable GPLed liba52 support [default=no]"
  84   echo "  --enable-liba52bin       open liba52.so.0 at runtime [default=no]"
  85   echo "  --enable-avisynth        allow reading AVISynth script files [default=no]"
  86   echo "  --enable-libdts          enable GPLed libdts support [default=no]"
  87   echo "  --enable-libfaac         enable FAAC support via libfaac [default=no]"
  88   echo "  --enable-libfaad         enable FAAD support via libfaad [default=no]"
  89   echo "  --enable-libfaadbin      build FAAD support with runtime linking [default=no]"
  90   echo "  --enable-libgsm          enable GSM support via libgsm [default=no]"
  91   echo "  --enable-libmp3lame      enable MP3 encoding via libmp3lame [default=no]"
  92   echo "  --enable-libnut          enable NUT (de)muxing via libnut,"
  93   echo "                           native demuxer exists [default=no]"
  94   echo "  --enable-libogg          enable Ogg muxing via libogg [default=no]"
  95   echo "  --enable-libtheora       enable Theora encoding via libtheora [default=no]"
  96   echo "  --enable-libvorbis       enable Vorbis en/decoding via libvorbis,"
  97   echo "                           native implementations exist [default=no]"
  98   echo "  --enable-x264            enable H.264 encoding via x264 [default=no]"
  99   echo "  --enable-xvid            enable Xvid encoding via xvidcore,"
 100   echo "                           native MPEG-4/Xvid encoder exists [default=no]"
 101   echo "  --enable-amr-nb          enable amr-nb floating point audio codec"
 102   echo "  --enable-amr-nb-fixed    enable amr-nb fixed-point codec"
 103   echo "  --enable-amr-wb          enable amr-wb floating point audio codec"
 104   echo ""
 105   echo "Advanced options (experts only):"
 106   echo "  --source-path=PATH       path to source code [$source_path]"
 107   echo "  --cross-prefix=PREFIX    use PREFIX for compilation tools [$cross_prefix]"
 108   echo "  --cross-compile          assume a cross-compiler is used"
 109   echo "  --target-os=OS           compiler targets OS [$targetos]"
 110   echo "  --cc=CC                  use C compiler CC [$cc]"
 111   echo "  --make=MAKE              use specified make [$make]"
 112   echo "  --extra-cflags=ECFLAGS   add ECFLAGS to CFLAGS [$CFLAGS]"
 113   echo "  --extra-ldflags=ELDFLAGS add ELDFLAGS to LDFLAGS [$LDFLAGS]"
 114   echo "  --extra-libs=ELIBS       add ELIBS [$ELIBS]"
 115   echo "  --build-suffix=SUFFIX    suffix for application specific build []"
 116   echo "  --arch=ARCH              select architecture  [$arch]"
 117   echo "  --cpu=CPU                selects the minimum cpu required (affects"
 118   echo "                           instruction selection, may crash on older CPUs)"
 119   echo "  --enable-powerpc-perf    enable performance report on PPC"
 120   echo "                           (requires enabling PMC)"
 121   echo "  --disable-mmx            disable MMX usage"
 122   echo "  --disable-armv5te        disable armv5te usage"
 123   echo "  --disable-armv6          disable armv6 usage"
 124   echo "  --disable-iwmmxt         disable iwmmxt usage"
 125   echo "  --disable-altivec        disable AltiVec usage"
 126   echo "  --disable-audio-oss      disable OSS audio support [default=no]"
 127   echo "  --disable-audio-beos     disable BeOS audio support [default=no]"
 128   echo "  --disable-v4l            disable video4linux grabbing [default=no]"
 129   echo "  --disable-v4l2           disable video4linux2 grabbing [default=no]"
 130   echo "  --disable-bktr           disable bktr video grabbing [default=no]"
 131   echo "  --disable-dv1394         disable DV1394 grabbing [default=no]"
 132   echo "  --disable-network        disable network support [default=no]"
 133   echo "  --disable-ipv6           disable ipv6 support [default=no]"
 134   echo "  --disable-zlib           disable zlib [default=no]"
 135   echo "  --disable-vhook          disable video hooking support"
 136   echo "  --disable-debug          disable debugging symbols"
 137   echo "  --disable-mpegaudio-hp   faster (but less accurate)"
 138   echo "                           MPEG audio decoding [default=no]"
 139   echo "  --disable-protocols      disable I/O protocols support [default=no]"
 140   echo "  --disable-ffmpeg         disable ffmpeg build"
 141   echo "  --disable-ffserver       disable ffserver build"
 142   echo "  --disable-ffplay         disable ffplay build"
 143   echo "  --enable-small           optimize for size instead of speed"
 144   echo "  --enable-memalign-hack   emulate memalign, interferes with memory debuggers"
 145   echo "  --disable-encoder=NAME   disables encoder NAME"
 146   echo "  --enable-encoder=NAME    enables encoder NAME"
 147   echo "  --disable-decoder=NAME   disables decoder NAME"
 148   echo "  --enable-decoder=NAME    enables decoder NAME"
 149   echo "  --disable-encoders       disables all encoders"
 150   echo "  --disable-decoders       disables all decoders"
 151   echo "  --disable-muxer=NAME     disables muxer NAME"
 152   echo "  --enable-muxer=NAME      enables muxer NAME"
 153   echo "  --disable-muxers         disables all muxers"
 154   echo "  --disable-demuxer=NAME   disables demuxer NAME"
 155   echo "  --enable-demuxer=NAME    enables demuxer NAME"
 156   echo "  --disable-demuxers       disables all demuxers"
 157   echo "  --enable-parser=NAME     enables parser NAME"
 158   echo "  --disable-parser=NAME    disables parser NAME"
 159   echo "  --disable-parsers        disables all parsers"
 160   echo
 161   echo "Developer options (useful when working on FFmpeg itself):"
 162   echo "  --enable-gprof           enable profiling with gprof [$gprof]"
 163   echo "  --disable-opts           disable compiler optimizations"
 164   echo "  --enable-extra-warnings  enable more compiler warnings"
 165   echo "  --disable-strip          disable stripping of executables and shared libraries"
 166   echo ""
 167   echo "NOTE: Object files are built at the place where configure is launched."
 168   exit 1
 169 }
 170
 171 log(){
 172     echo "$@" >>$logfile
 173 }
 174
 175 log_file(){
 176     log BEGIN $1
 177     cat -n $1 >>$logfile
 178     log END $1
 179 }
 180
 181 echolog(){
 182     log "$@"
 183     echo "$@"
 184 }
 185
 186 die(){
 187     echolog "$@"
 188     cat <<EOF
 189 If you think configure made a mistake, make sure you are using the latest
 190 version from SVN.  If the latest version fails, report the problem to the
 191 ffmpeg-devel@mplayerhq.hu mailing list or IRC #ffmpeg on irc.freenode.net.
 192 EOF
 193     if enabled logging; then
 194         cat <<EOF
 195 Include the log file "$logfile" produced by configure as this will help
 196 solving the problem.
 197 EOF
 198     else
 199 cat <<EOF
 200 Rerun configure with logging enabled (do not use --log=no), and include the
 201 log this produces with your report.
 202 EOF
 203     fi
 204     rm -f $TMPC $TMPO $TMPE $TMPS $TMPH
 205     exit 1
 206 }
 207
 208 # "tr '[a-z]' '[A-Z]'" is a workaround for Solaris tr not grokking "tr a-z A-Z"
 209 toupper(){
 210     echo "$@" | tr '[a-z]' '[A-Z]'
 211 }
 212
 213 tolower(){
 214     echo "$@" | tr '[A-Z]' '[a-z]'
 215 }
 216
 217 set_all(){
 218     value=$1
 219     shift
 220     for var in $*; do
 221         eval $var=$value
 222     done
 223 }
 224
 225 pushvar(){
 226     for var in $*; do
 227         eval level=\${${var}_level:=0}
 228         eval ${var}_${level}="\$$var"
 229         eval ${var}_level=$(($level+1))
 230     done
 231 }
 232
 233 popvar(){
 234     for var in $*; do
 235         eval level=\${${var}_level:-0}
 236         test $level = 0 && continue
 237         eval level=$(($level-1))
 238         eval $var="\${${var}_${level}}"
 239         eval ${var}_level=$level
 240         eval unset ${var}_${level}
 241     done
 242 }
 243
 244 enable(){
 245     set_all yes $*
 246 }
 247
 248 disable(){
 249     set_all no $*
 250 }
 251
 252 enabled(){
 253     eval test "x\$$1" = "xyes"
 254 }
 255
 256 disabled(){
 257     eval test "x\$$1" = "xno"
 258 }
 259
 260 enabled_all(){
 261     for opt; do
 262         enabled $opt || return 1
 263     done
 264 }
 265
 266 disabled_all(){
 267     for opt; do
 268         disabled $opt || return 1
 269     done
 270 }
 271
 272 enabled_any(){
 273     for opt; do
 274         enabled $opt && return 0
 275     done
 276 }
 277
 278 disabled_any(){
 279     for opt; do
 280         disabled $opt && return 0
 281     done
 282 }
 283
 284 check_deps(){
 285     for cfg; do
 286         enabled ${cfg}_checking && die "Circular dependency for $cfg."
 287         disabled ${cfg}_checking && continue
 288         enable ${cfg}_checking
 289
 290         eval dep_all="\$${cfg}_deps"
 291         eval dep_any="\$${cfg}_deps_any"
 292
 293         pushvar cfg dep_all dep_any
 294         check_deps $dep_all $dep_any
 295         popvar cfg dep_all dep_any
 296
 297         enabled_all $dep_all || disable $cfg
 298         enabled_any $dep_any || disable $cfg
 299
 300         disable ${cfg}_checking
 301     done
 302 }
 303
 304 print_config(){
 305     pfx=$1
 306     header=$2
 307     makefile=$3
 308     shift 3
 309     for cfg; do
 310         if enabled $cfg; then
 311             ucname="${pfx}`toupper $cfg`"
 312             echo "#define ${ucname} 1" >> $header
 313             echo "${ucname}=yes" >> $makefile
 314         fi
 315     done
 316 }
 317
 318 flags_saved(){
 319     (: ${SAVE_CFLAGS?}) 2>/dev/null
 320 }
 321
 322 save_flags(){
 323     flags_saved && return
 324     SAVE_CFLAGS="$CFLAGS"
 325     SAVE_LDFLAGS="$LDFLAGS"
 326     SAVE_extralibs="$extralibs"
 327 }
 328
 329 restore_flags(){
 330     flags_saved || return
 331     CFLAGS="$SAVE_CFLAGS"
 332     LDFLAGS="$SAVE_LDFLAGS"
 333     extralibs="$SAVE_extralibs"
 334     unset SAVE_CFLAGS
 335     unset SAVE_LDFLAGS
 336     unset SAVE_extralibs
 337 }
 338
 339 temp_cflags(){
 340     save_flags
 341     CFLAGS="$CFLAGS $*"
 342 }
 343
 344 temp_ldflags(){
 345     save_flags
 346     LDFLAGS="$LDFLAGS $*"
 347 }
 348
 349 temp_extralibs(){
 350     save_flags
 351     extralibs="$extralibs $*"
 352 }
 353
 354 append(){
 355     var=$1
 356     shift
 357     flags_saved && eval "SAVE_$var=\"\$SAVE_$var $*\""
 358     eval "$var=\"\$$var $*\""
 359 }
 360
 361 add_cflags(){
 362     append CFLAGS "$@"
 363 }
 364
 365 add_ldflags(){
 366     append LDFLAGS "$@"
 367 }
 368
 369 add_extralibs(){
 370     append extralibs "$@"
 371 }
 372
 373 check_cmd(){
 374     log "$@"
 375     "$@" >>$logfile 2>&1
 376 }
 377
 378 check_cc(){
 379     log check_cc "$@"
 380     cat >$TMPC
 381     log_file $TMPC
 382     check_cmd $cc $CFLAGS "$@" -c -o $TMPO $TMPC
 383 }
 384
 385 check_cpp(){
 386     log check_cpp "$@"
 387     cat >$TMPC
 388     log_file $TMPC
 389     check_cmd $cc $CFLAGS "$@" -E -o $TMPO $TMPC
 390 }
 391
 392 check_ld(){
 393     log check_ld "$@"
 394     check_cc || return
 395     check_cmd $cc $LDFLAGS "$@" -o $TMPE $TMPO $extralibs
 396 }
 397
 398 check_cflags(){
 399     log check_cflags "$@"
 400     check_cc "$@" <<EOF && add_cflags "$@"
 401 int x;
 402 EOF
 403 }
 404
 405 check_ldflags(){
 406     log check_ldflags "$@"
 407     check_ld "$@" <<EOF && add_ldflags "$@"
 408 int main(){
 409     return 0;
 410 }
 411 EOF
 412 }
 413
 414 check_header(){
 415     log check_header "$@"
 416     header=$1
 417     shift
 418     var=`echo $header | sed 's/[^A-Za-z0-9_]/_/g'`
 419     disable $var
 420     check_cpp "$@" <<EOF && enable $var
 421 #include <$header>
 422 int x;
 423 EOF
 424 }
 425
 426 check_func(){
 427     log check_func "$@"
 428     func=$1
 429     shift
 430     disable $func
 431     check_ld "$@" <<EOF && enable $func
 432 extern int $func();
 433 int main(){
 434     $func();
 435 }
 436 EOF
 437 }
 438
 439 check_func2(){
 440     log check_func2 "$@"
 441     headers=$1
 442     func=$2
 443     shift 2
 444     disable $func
 445     incs=""
 446     for hdr in $headers; do
 447         incs="$incs
 448 #include <$hdr>"
 449     done
 450     check_ld "$@" <<EOF && enable $func
 451 $incs
 452 int main(){
 453     (void) $func;
 454     return 0;
 455 }
 456 EOF
 457 }
 458
 459 check_lib(){
 460     log check_lib "$@"
 461     header="$1"
 462     func="$2"
 463     shift 2
 464     temp_extralibs "$@"
 465     check_header $header && check_func $func && add_extralibs "$@"
 466     err=$?
 467     restore_flags
 468     return $err
 469 }
 470
 471 check_lib2(){
 472     log check_lib2 "$@"
 473     headers="$1"
 474     func="$2"
 475     shift 2
 476     temp_extralibs "$@"
 477     check_func2 "$headers" $func && add_extralibs "$@"
 478     err=$?
 479     restore_flags
 480     return $err
 481 }
 482
 483 check_exec(){
 484     check_ld "$@" && { enabled cross_compile || $TMPE >>$logfile 2>&1; }
 485 }
 486
 487 check_exec_crash(){
 488     code=`cat`
 489
 490     # exit() is not async signal safe.  _Exit (C99) and _exit (POSIX)
 491     # are safe but may not be available everywhere.  Thus we use
 492     # raise(SIGTERM) instead.  The check is run in a subshell so we
 493     # can redirect the "Terminated" message from the shell.  SIGBUS
 494     # is not defined by standard C so it is used conditionally.
 495
 496     (check_exec "$@") >>$logfile 2>&1 <<EOF
 497 #include <signal.h>
 498 static void sighandler(int sig){
 499     raise(SIGTERM);
 500 }
 501 int main(){
 502     signal(SIGILL, sighandler);
 503     signal(SIGFPE, sighandler);
 504     signal(SIGSEGV, sighandler);
 505 #ifdef SIGBUS
 506     signal(SIGBUS, sighandler);
 507 #endif
 508     { $code }
 509 }
 510 EOF
 511 }
 512
 513 require(){
 514     name="$1"
 515     header="$2"
 516     func="$3"
 517     shift 3
 518     check_lib $header $func "$@" || die "ERROR: $name not found"
 519 }
 520
 521 require2(){
 522     name="$1"
 523     headers="$2"
 524     func="$3"
 525     shift 3
 526     check_lib2 "$headers" $func "$@" || die "ERROR: $name not found"
 527 }
 528
 529 check_foo_config(){
 530     cfg=$1
 531     pkg=$2
 532     header=$3
 533     func=$4
 534     shift 4
 535     disable $cfg
 536     check_cmd ${pkg}-config --version
 537     err=$?
 538     if test "$err" = 0; then
 539         temp_cflags `${pkg}-config --cflags`
 540         temp_extralibs `${pkg}-config --libs`
 541         check_lib "$@" $header $func && enable $cfg
 542     fi
 543     return $err
 544 }
 545
 546 apply(){
 547     file=$1
 548     shift
 549     "$@" < "$file" > "$file.tmp" && mv "$file.tmp" "$file" || rm "$file.tmp"
 550 }
 551
 552 CONFIG_LIST='
 553     encoders
 554     decoders
 555     parsers
 556     muxers
 557     demuxers
 558     amr
 559     amr_nb
 560     amr_nb_fixed
 561     amr_wb
 562     audio_beos
 563     audio_oss
 564     avisynth
 565     beos_netserver
 566     bktr
 567     dc1394
 568     dv1394
 569     ffmpeg
 570     ffplay
 571     ffserver
 572     gpl
 573     gprof
 574     ipv6
 575     liba52
 576     liba52bin
 577     libdts
 578     libfaac
 579     libfaad
 580     libfaadbin
 581     libgsm
 582     libmp3lame
 583     libnut
 584     libogg
 585     libtheora
 586     libvorbis
 587     memalign_hack
 588     mpegaudio_hp
 589     network
 590     powerpc_perf
 591     pp
 592     protocols
 593     swscaler
 594     vhook
 595     v4l
 596     v4l2
 597     x11grab
 598     x264
 599     xvid
 600     zlib
 601 '
 602
 603 THREADS_LIST='
 604     beosthreads
 605     os2threads
 606     pthreads
 607     w32threads
 608 '
 609
 610 HAVE_LIST="
 611     $THREADS_LIST
 612     altivec
 613     altivec_h
 614     armv5te
 615     armv6
 616     arpa_inet_h
 617     byteswap_h
 618     cmov
 619     dcbzl
 620     dev_bktr_ioctl_bt848_h
 621     dev_bktr_ioctl_meteor_h
 622     dev_ic_bt8xx_h
 623     dev_video_meteor_ioctl_meteor_h
 624     dev_video_bktr_ioctl_bt848_h
 625     dlfcn_h
 626     dlopen
 627     ebp_available
 628     ebx_available
 629     fast_64bit
 630     fast_cmov
 631     fast_unaligned
 632     freetype2
 633     imlib2
 634     inet_aton
 635     iwmmxt
 636     localtime_r
 637     lrintf
 638     machine_ioctl_bt848_h
 639     machine_ioctl_meteor_h
 640     malloc_h
 641     memalign
 642     mlib
 643     mmi
 644     mmx
 645     os2
 646     sdl
 647     sdl_video_size
 648     soundcard_h
 649     sys_poll_h
 650     sys_soundcard_h
 651     threads
 652 "
 653
 654 TARGET_LIST='
 655     altivec
 656     armv5te
 657     armv6
 658     iwmmxt
 659     mmi
 660     mmx
 661 '
 662
 663 CMDLINE_SELECT="
 664     $CONFIG_LIST
 665     $TARGET_LIST
 666     $THREADS_LIST
 667     debug
 668     extra_warnings
 669     shared
 670     static
 671 "
 672
 673 dxa_decoder_deps="zlib"
 674 flashsv_decoder_deps="zlib"
 675 flashsv_encoder_deps="zlib"
 676 mpeg_xvmc_decoder_deps="xvmc"
 677 png_decoder_deps="zlib"
 678 png_encoder_deps="zlib"
 679 x264_encoder_deps="x264"
 680 xvid_encoder_deps="xvid"
 681 zmbv_decoder_deps="zlib"
 682 zmbv_encoder_deps="zlib"
 683
 684 aac_decoder_deps="libfaad"
 685 mpeg4aac_decoder_deps="libfaad"
 686 amr_nb_decoder_deps_any="amr_nb amr_nb_fixed"
 687 amr_nb_encoder_deps_any="amr_nb amr_nb_fixed"
 688 amr_wb_decoder_deps="amr_wb"
 689 amr_wb_encoder_deps="amr_wb"
 690 dts_decoder_deps="libdts"
 691 faac_encoder_deps="libfaac"
 692 liba52_decoder_deps="liba52"
 693 libgsm_decoder_deps="libgsm"
 694 libgsm_encoder_deps="libgsm"
 695 libgsm_ms_decoder_deps="libgsm"
 696 libgsm_ms_encoder_deps="libgsm"
 697 libtheora_encoder_deps="libtheora"
 698 mp3lame_encoder_deps="libmp3lame"
 699 oggvorbis_decoder_deps="libvorbis"
 700 oggvorbis_encoder_deps="libvorbis"
 701
 702 ac3_demuxer_deps="ac3_parser"
 703 audio_demuxer_deps_any="audio_oss audio_beos"
 704 audio_muxer_deps_any="audio_oss audio_beos"
 705 dc1394_demuxer_deps="dc1394"
 706 dv1394_demuxer_deps="dv1394"
 707 gxf_muxer_deps="gpl"
 708 libnut_demuxer_deps="libnut"
 709 libnut_muxer_deps="libnut"
 710 ogg_muxer_deps="libogg"
 711 redir_demuxer_deps="network"
 712 rtp_muxer_deps="network"
 713 rtsp_demuxer_deps="network"
 714 sdp_demuxer_deps="network"
 715 v4l2_demuxer_deps="v4l2"
 716 video_grab_bktr_demuxer_deps="bktr"
 717 video_grab_v4l_demuxer_deps="v4l"
 718 x11_grab_device_demuxer_deps="x11grab"
 719
 720 ffplay_deps="sdl"
 721 ffserver_deps="network protocols muxers"
 722 network_deps="protocols"
 723
 724 # set temporary file name
 725 if test ! -z "$TMPDIR" ; then
 726     TMPDIR1="${TMPDIR}"
 727 elif test ! -z "$TEMPDIR" ; then
 728     TMPDIR1="${TEMPDIR}"
 729 else
 730     TMPDIR1="/tmp"
 731 fi
 732
 733 TMPC="${TMPDIR1}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}.c"
 734 TMPO="${TMPDIR1}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}.o"
 735 TMPE="${TMPDIR1}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}"
 736 TMPS="${TMPDIR1}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}.S"
 737 TMPH="${TMPDIR1}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}.h"
 738
 739 # default parameters
 740
 741 logging="yes"
 742 logfile="config.err"
 743
 744 # installation paths
 745 PREFIX="/usr/local"
 746 libdir='${PREFIX}/lib'
 747 shlibdir="$libdir"
 748 incdir='${PREFIX}/include/ffmpeg'
 749 mandir='${PREFIX}/man'
 750 bindir='${PREFIX}/bin'
 751
 752 # toolchain
 753 cross_prefix=""
 754 cross_compile="no"
 755 cc="gcc"
 756 ar="ar"
 757 ranlib="ranlib"
 758 make="make"
 759 strip="strip"
 760 asmalign_pot="unknown"
 761
 762 # machine
 763 arch=`uname -m`
 764 cpu="generic"
 765 powerpc_perf="no"
 766 mmx="default"
 767 cmov="no"
 768 fast_cmov="no"
 769 fast_unaligned="no"
 770 armv5te="default"
 771 armv6="default"
 772 iwmmxt="default"
 773 altivec="default"
 774 dcbzl="no"
 775 mmi="default"
 776 bigendian="no"
 777
 778 # OS
 779 targetos=$(tolower $(uname -s))
 780 beos_netserver="no"
 781 os2="no"
 782
 783 # non-library system interfaces
 784 audio_beos="default"
 785 audio_oss="yes"
 786 bktr="yes"
 787 dv1394="yes"
 788 v4l2="yes"
 789 v4l="yes"
 790
 791 # libraries
 792 amr_nb="no"
 793 amr_nb_fixed="no"
 794 amr_wb="no"
 795 avisynth="no"
 796 dc1394="no"
 797 dlfcn_h="no"
 798 dlopen="no"
 799 liba52="no"
 800 liba52bin="no"
 801 libdts="no"
 802 libfaac="no"
 803 libfaad2="no"
 804 libfaad="no"
 805 libfaadbin="no"
 806 libgsm="no"
 807 libmp3lame="no"
 808 libnut="no"
 809 libogg="no"
 810 libtheora="no"
 811 libvorbis="no"
 812 mlib="no"
 813 x11grab="no"
 814 x264="no"
 815 xvid="no"
 816 zlib="yes"
 817
 818 # configurable options
 819 debug="yes"
 820 dostrip="yes"
 821 extra_warnings="no"
 822 ffmpeg="yes"
 823 ffplay="yes"
 824 ffserver="yes"
 825 gpl="no"
 826 gprof="no"
 827 ipv6="yes"
 828 shared="no"
 829 static="yes"
 830 memalign_hack="no"
 831 mpegaudio_hp="yes"
 832 network="yes"
 833 optimize="yes"
 834 pp="no"
 835 protocols="yes"
 836 swscaler="no"
 837 vhook="default"
 838
 839 # threading
 840 beosthreads="no"
 841 os2threads="no"
 842 pthreads="no"
 843 w32threads="no"
 844 thread_type="no"
 845
 846 # build settings
 847 SHFLAGS='-shared -Wl,-soname,$@'
 848 VHOOKSHFLAGS='$(SHFLAGS)'
 849 LIBOBJFLAGS=""
 850 FFLDFLAGS=-Wl,--warn-common
 851 LDLATEFLAGS='-Wl,-rpath-link,\$(BUILD_ROOT)/libavcodec -Wl,-rpath-link,\$(BUILD_ROOT)/libavformat -Wl,-rpath-link,\$(BUILD_ROOT)/libavutil'
 852 FFSERVERLDFLAGS=-Wl,-E
 853 LDCONFIG="ldconfig"
 854 LIBPREF="lib"
 855 LIBSUF=".a"
 856 LIB='$(LIBPREF)$(NAME)$(LIBSUF)'
 857 SLIBPREF="lib"
 858 SLIBSUF=".so"
 859 SLIBNAME='$(SLIBPREF)$(NAME)$(SLIBSUF)'
 860 SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
 861 SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
 862 EXESUF=""
 863 BUILDSUF=""
 864 LIB_INSTALL_EXTRA_CMD='$(RANLIB) "$(libdir)/$(LIB)"'
 865
 866 # find source path
 867 source_path="`dirname \"$0\"`"
 868 source_path_used="yes"
 869 if test -z "$source_path" -o "$source_path" = "." ; then
 870     source_path="`pwd`"
 871     source_path_used="no"
 872 else
 873     source_path="`cd \"$source_path\"; pwd`"
 874     echo "$source_path" | grep -q '[[:blank:]]' &&
 875       die "Out of tree builds are impossible with whitespace in source path."
 876 fi
 877
 878 if test x"$1" = x"-h" -o x"$1" = x"--help" ; then
 879     show_help
 880 fi
 881
 882 FFMPEG_CONFIGURATION="$@"
 883
 884 ENCODER_LIST=`sed -n 's/^[^#]*ENC.*, *\(.*\)).*/\1_encoder/p' "$source_path/libavcodec/allcodecs.c"`
 885 DECODER_LIST=`sed -n 's/^[^#]*DEC.*, *\(.*\)).*/\1_decoder/p' "$source_path/libavcodec/allcodecs.c"`
 886 PARSER_LIST=`sed -n 's/^[^#]*PARSER.*, *\(.*\)).*/\1_parser/p' "$source_path/libavcodec/allcodecs.c"`
 887 MUXER_LIST=`sed -n 's/^[^#]*_MUX.*, *\(.*\)).*/\1_muxer/p' "$source_path/libavformat/allformats.c"`
 888 DEMUXER_LIST=`sed -n 's/^[^#]*DEMUX.*, *\(.*\)).*/\1_demuxer/p' "$source_path/libavformat/allformats.c"`
 889
 890 enable $ENCODER_LIST $DECODER_LIST $PARSER_LIST $MUXER_LIST $DEMUXER_LIST
 891
 892 die_unknown(){
 893     echo "Unknown option \"$1\"."
 894     echo "See $0 --help for available options."
 895     exit 1
 896 }
 897
 898 for opt do
 899   optval="${opt#*=}"
 900   case "$opt" in
 901   --log)
 902   ;;
 903   --log=*) logging="$optval"
 904   ;;
 905   --prefix=*) PREFIX="$optval"
 906   ;;
 907   --libdir=*) libdir="$optval"
 908   ;;
 909   --shlibdir=*) shlibdir="$optval"
 910   ;;
 911   --incdir=*) incdir="$optval"
 912   ;;
 913   --mandir=*) mandir="$optval"
 914   ;;
 915   --source-path=*) source_path="$optval"
 916   ;;
 917   --cross-prefix=*) cross_prefix="$optval"
 918   ;;
 919   --cross-compile) cross_compile="yes"
 920   ;;
 921   --target-os=*) targetos="$optval"
 922   ;;
 923   --cc=*) cc="$optval"
 924   ;;
 925   --make=*) make="$optval"
 926   ;;
 927   --extra-cflags=*) add_cflags "$optval"
 928   ;;
 929   --extra-ldflags=*) add_ldflags "$optval"
 930   ;;
 931   --extra-libs=*) add_extralibs "$optval"
 932   ;;
 933   --build-suffix=*) BUILDSUF="$optval"
 934   ;;
 935   --arch=*) arch="$optval"
 936   ;;
 937   --cpu=*) cpu="$optval"
 938   ;;
 939   --disable-opts) optimize="no"
 940   ;;
 941   --enable-small) optimize="small"
 942   ;;
 943   --enable-sunmlib) mlib="yes"
 944   ;;
 945   --disable-strip) dostrip="no"
 946   ;;
 947   --disable-encoders) disable $ENCODER_LIST
 948   ;;
 949   --disable-decoders) disable $DECODER_LIST
 950   ;;
 951   --disable-muxers) disable $MUXER_LIST
 952   ;;
 953   --disable-demuxers) disable $DEMUXER_LIST
 954   ;;
 955   --disable-parsers) disable $PARSER_LIST
 956   ;;
 957   --enable-*=*|--disable-*=*)
 958   eval `echo "$opt" | sed 's/=/-/;s/--/action=/;s/-/ thing=/;s/-/ name=/'`
 959   case "$thing" in
 960       encoder|decoder|muxer|demuxer|parser) $action ${optval}_${thing} ;;
 961       *) die_unknown "$opt" ;;
 962   esac
 963   ;;
 964   --enable-?*|--disable-?*)
 965   eval `echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g'`
 966   echo "$CMDLINE_SELECT" | grep -q "^ *$option\$" || die_unknown $opt
 967   $action $option
 968   ;;
 969   --help) show_help
 970   ;;
 971   *)
 972   die_unknown $opt
 973   ;;
 974   esac
 975 done
 976
 977 case "$arch" in
 978   i386|i486|i586|i686|i86pc|BePC)
 979     arch="x86_32"
 980     enable fast_unaligned
 981   ;;
 982   x86_64|amd64)
 983     arch="x86_32"
 984     enable fast_unaligned
 985     canon_arch="`$cc -dumpmachine | sed -e 's,\([^-]*\)-.*,\1,'`"
 986     if [ x"$canon_arch" = x"x86_64" -o x"$canon_arch" = x"amd64" ]; then
 987       if [ -z "`echo $CFLAGS | grep -- -m32`"  ]; then
 988         arch="x86_64"
 989         enable fast_64bit
 990       fi
 991     fi
 992   ;;
 993   # armv4l is a subset of armv[567]*l
 994   arm|armv[4567]*l)
 995     arch="armv4l"
 996   ;;
 997   alpha)
 998     arch="alpha"
 999     enable fast_64bit
1000   ;;
1001   "Power Macintosh"|ppc|powerpc)
1002     arch="powerpc"
1003   ;;
1004   ppc64)
1005     arch="powerpc"
1006     enable fast_64bit
1007   ;;
1008   mips|mipsel|IP*)
1009     arch="mips"
1010   ;;
1011   sun4u|sparc64)
1012     arch="sparc64"
1013     enable fast_64bit
1014   ;;
1015   sparc)
1016     arch="sparc"
1017   ;;
1018   sh4)
1019     arch="sh4"
1020   ;;
1021   parisc)
1022     arch="parisc"
1023   ;;
1024   parisc64)
1025     arch="parisc"
1026     enable fast_64bit
1027   ;;
1028   s390|s390x)
1029     arch="s390"
1030   ;;
1031   m68k)
1032     arch="m68k"
1033   ;;
1034   ia64)
1035     arch="ia64"
1036     enable fast_64bit
1037   ;;
1038   bfin)
1039     arch="bfin"
1040   ;;
1041   *)
1042     arch="unknown"
1043   ;;
1044 esac
1045
1046 # OS specific
1047 osextralibs="-lm"
1048 case $targetos in
1049   beos|haiku|zeta)
1050     PREFIX="$HOME/config"
1051     # helps building libavcodec
1052     add_cflags "-DPIC -fomit-frame-pointer"
1053     # 3 gcc releases known for BeOS, each with ugly bugs
1054     gcc_version="`$cc -v 2>&1 | grep version | cut -d ' ' -f3-`"
1055     case "$gcc_version" in
1056       2.9-beos-991026*|2.9-beos-000224*) echo "R5/GG gcc"
1057         mmx="no"
1058         ;;
1059       *20010315*) echo "BeBits gcc"
1060         add_cflags "-fno-expensive-optimizations"
1061         ;;
1062     esac
1063     LDCONFIG="echo ignoring ldconfig"
1064     SHFLAGS=-nostart
1065     # disable Linux things
1066     dv1394="no"
1067     # enable BeOS things
1068     disabled audio_beos || enable_audio_beos
1069     # no need for libm, but the inet stuff
1070     # Check for BONE
1071     # XXX: actually should check for NOT net_server
1072     if (echo $BEINCLUDES|grep 'headers/be/bone' >/dev/null); then
1073         osextralibs="-lbind -lsocket"
1074     else
1075         beos_netserver="yes"
1076         osextralibs="-lnet"
1077     fi ;;
1078   sunos)
1079     dv1394="no"
1080     FFLDFLAGS=""
1081     FFSERVERLDFLAGS=""
1082     SHFLAGS="-shared -Wl,-h,\$@"
1083     add_extralibs "-lsocket -lnsl"
1084     ;;
1085   netbsd)
1086     dv1394="no"
1087     add_extralibs "-lossaudio"
1088     ;;
1089   openbsd)
1090     dv1394="no"
1091     need_memalign="no"
1092     LIBOBJFLAGS="\$(PIC)"
1093     LDCONFIG="ldconfig -m \$(shlibdir)"
1094     SHFLAGS='-shared'
1095     SLIBNAME='$(SLIBPREF)$(NAME)$(SLIBSUF).$(LIBVERSION)'
1096     SLIBNAME_WITH_VERSION='$(SLIBNAME)'
1097     SLIBNAME_WITH_MAJOR='$(SLIBNAME)'
1098     add_extralibs "-lossaudio"
1099     ;;
1100   freebsd)
1101     dv1394="no"
1102     need_memalign="no"
1103     add_cflags "-pthread"
1104     ;;
1105   gnu/kfreebsd)
1106     dv1394="no"
1107     add_cflags "-pthread"
1108     ;;
1109   bsd/os)
1110     dv1394="no"
1111     osextralibs="-lpoll -lgnugetopt -lm"
1112     strip="strip -d"
1113     ;;
1114   darwin)
1115     dv1394="no"
1116     need_memalign="no"
1117     SHFLAGS="-dynamiclib -Wl,-single_module -Wl,-install_name,\$(shlibdir)/\$(SLIBNAME),-current_version,\$(SPPVERSION),-compatibility_version,\$(SPPVERSION) -Wl,-read_only_relocs,suppress"
1118     VHOOKSHFLAGS='-dynamiclib -Wl,-single_module -flat_namespace -undefined suppress -Wl,-install_name,$(shlibdir)/vhook/$@'
1119     osextralibs=""
1120     strip="strip -x"
1121     FFLDFLAGS="-Wl,-dynamic,-search_paths_first"
1122     SLIBSUF=".dylib"
1123     SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME).$(LIBVERSION)$(SLIBSUF)'
1124     SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(NAME).$(LIBMAJOR)$(SLIBSUF)'
1125     FFSERVERLDFLAGS=-Wl,-bind_at_load
1126     ;;
1127   mingw32*)
1128     targetos=mingw32
1129     if enabled_all shared static; then
1130         cat <<EOF
1131 You can only build one library type at once on MinGW.
1132 Specify --disable-static --enable-shared to only build
1133 the shared libraries. To build only the static libraries
1134 you do not need to pass additional options.
1135 EOF
1136         exit 1
1137     fi
1138     dv1394="no"
1139     ffserver="no"
1140     network="no"
1141     SLIBPREF=""
1142     SLIBSUF=".dll"
1143     EXESUF=".exe"
1144     SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
1145     SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(NAME)-$(LIBMAJOR)$(SLIBSUF)'
1146     SLIB_EXTRA_CMD="-lib /machine:i386 /def:\$(@:${SLIBSUF}=.def)"
1147     SLIB_INSTALL_EXTRA_CMD="-install -m 644 \$(SLIBNAME_WITH_MAJOR:\$(SLIBSUF)=.lib) \"\$(shlibdir)/\$(SLIBNAME_WITH_MAJOR:\$(SLIBSUF)=.lib)\""
1148     SHFLAGS="-shared -Wl,--output-def,\$(@:${SLIBSUF}=.def),--out-implib,lib\$(SLIBNAME:\$(SLIBSUF)=.dll.a) -Wl,--enable-runtime-pseudo-reloc"
1149     add_extralibs -lws2_32
1150     ;;
1151   cygwin*)
1152     targetos=cygwin
1153     shlibdir="$bindir"
1154     dv1394="no"
1155     VHOOKSHFLAGS='-shared -L$(BUILD_ROOT)/libavformat -L$(BUILD_ROOT)/libavcodec -L$(BUILD_ROOT)/libswscale -L$(BUILD_ROOT)/libavutil'
1156     VHOOKLIBS='-lavformat$(BUILDSUF) -lavcodec$(BUILDSUF) -lswscale$(BUILDSUF) -lavutil$(BUILDSUF) $(EXTRALIBS)'
1157     osextralibs=""
1158     EXESUF=".exe"
1159     SLIBPREF="cyg"
1160     SLIBSUF=".dll"
1161     SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
1162     SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(NAME)-$(LIBMAJOR)$(SLIBSUF)'
1163     SHFLAGS='-shared -Wl,--out-implib=lib$(NAME).dll.a'
1164     ;;
1165   linux)
1166     LDLATEFLAGS="-Wl,--as-needed $LDLATEFLAGS"
1167     ;;
1168   irix*)
1169     targetos=irix
1170     ranlib="echo ignoring ranlib"
1171     ;;
1172   os/2)
1173     TMPE=$TMPE".exe"
1174     ar="emxomfar -p128"
1175     ranlib="echo ignoring ranlib"
1176     strip="echo ignoring strip"
1177     add_cflags "-Zomf"
1178     FFLDFLAGS="-Zomf -Zstack 16384 -s"
1179     SHFLAGS="-Zdll -Zomf"
1180     FFSERVERLDFLAGS=""
1181     LIBPREF=""
1182     LIBSUF=".lib"
1183     SLIBPREF=""
1184     SLIBSUF=".dll"
1185     EXESUF=".exe"
1186     osextralibs=""
1187     pkg_requires=""
1188     dv1394="no"
1189     ffserver="no"
1190     vhook="no"
1191     os2="yes"
1192     ;;
1193   *)
1194     targetos="${targetos}-UNKNOWN"
1195     ;;
1196 esac
1197
1198 add_extralibs $osextralibs
1199
1200 if ! disabled logging ; then
1201     enabled logging || logfile="$logging"
1202     echo "# $0 $@" >$logfile
1203     set >>$logfile
1204 else
1205     logfile=/dev/null
1206 fi
1207
1208 # Combine FFLDFLAGS and the LDFLAGS environment variable.
1209 LDFLAGS="$FFLDFLAGS $LDFLAGS"
1210
1211 test -n "$cross_prefix" && cross_compile=yes
1212 cc="${cross_prefix}${cc}"
1213 ar="${cross_prefix}${ar}"
1214 ranlib="${cross_prefix}${ranlib}"
1215 strip="${cross_prefix}${strip}"
1216
1217 # we need to build at least one lib type
1218 if disabled_all static shared; then
1219     cat <<EOF
1220 At least one library type must be built.
1221 Specify --enable-static to build the static libraries or --enable-shared to
1222 build the shared libraries as well. To only build the shared libraries specify
1223 --disable-static in addition to --enable-shared.
1224 EOF
1225     exit 1;
1226 fi
1227
1228 if disabled libogg; then
1229     enabled libtheora && die "libogg must be enabled to enable libtheora."
1230     enabled libvorbis && die "libogg must be enabled to enable libvorbis."
1231 fi
1232
1233 if enabled_any libfaad libfaadbin ; then
1234     if check_header faad.h; then
1235         check_cc << EOF
1236 #include <faad.h>
1237 #ifndef FAAD2_VERSION
1238 ok faad1
1239 #endif
1240 int main( void ) { return 0; }
1241 EOF
1242         test $? = 0 && enable libfaad2
1243     else
1244         die "FAAD test failed."
1245     fi
1246 fi
1247
1248
1249 if disabled gpl ; then
1250     die_gpl_disabled(){
1251         name=$1
1252         shift
1253         enabled_any $@ && die "$name is under GPL and --enable-gpl is not specified."
1254     }
1255     die_gpl_disabled "The Postprocessing code" pp
1256     die_gpl_disabled "liba52"                  liba52
1257     die_gpl_disabled "libxvidcore"             xvid
1258     die_gpl_disabled "x264"                    x264
1259     die_gpl_disabled "libdts"                  libdts
1260     die_gpl_disabled "FAAD2"                   libfaad2
1261     die_gpl_disabled "The X11 grabber"         x11grab
1262     die_gpl_disabled "The software scaler"     swscaler
1263 fi
1264
1265 # compute MMX state
1266 if test $mmx = "default"; then
1267     if test $arch = "x86_32" -o $arch = "x86_64"; then
1268         mmx="yes"
1269     else
1270         mmx="no"
1271     fi
1272 fi
1273
1274 test -z "$need_memalign" && need_memalign="$mmx"
1275
1276 #Darwin CC versions
1277 needmdynamicnopic="no"
1278 if test $targetos = darwin; then
1279     if test -n "`$cc -v 2>&1 | grep xlc`"; then
1280         add_cflags "-qpdf2 -qlanglvl=extc99 -qmaxmem=-1 -qarch=auto -qtune=auto"
1281     else
1282         add_cflags "-no-cpp-precomp -pipe"
1283         check_cflags "-force_cpusubtype_ALL"
1284         check_cflags "-Wno-sign-compare"
1285         disabled shared && needmdynamicnopic="yes"
1286     fi
1287 fi
1288
1289 disabled optimize || add_cflags -fomit-frame-pointer
1290
1291 # Can only do AltiVec on PowerPC
1292 if test $altivec = "default"; then
1293     if test $arch = "powerpc"; then
1294         altivec="yes"
1295     else
1296         altivec="no"
1297     fi
1298 fi
1299
1300 # Add processor-specific flags
1301 POWERPCMODE="32bits"
1302 if test $cpu != "generic"; then
1303     warn_altivec(){
1304         $1 altivec && echo "WARNING: Tuning for $2 but AltiVec $1.";
1305     }
1306     case $cpu in
1307         601|ppc601|PowerPC601)
1308             add_cflags "-mcpu=601"
1309             warn_altivec enabled PPC601
1310         ;;
1311         603*|ppc603*|PowerPC603*)
1312             add_cflags "-mcpu=603"
1313             warn_altivec enabled PPC603
1314         ;;
1315         604*|ppc604*|PowerPC604*)
1316             add_cflags "-mcpu=604"
1317             warn_altivec enabled PPC604
1318         ;;
1319         G3|g3|75*|ppc75*|PowerPC75*)
1320             add_cflags "-mcpu=750 -mpowerpc-gfxopt"
1321             warn_altivec enabled PPC75x
1322         ;;
1323         G4|g4|745*|ppc745*|PowerPC745*)
1324             add_cflags "-mcpu=7450 -mpowerpc-gfxopt"
1325             warn_altivec disabled PPC745x
1326         ;;
1327         74*|ppc74*|PowerPC74*)
1328             add_cflags "-mcpu=7400 -mpowerpc-gfxopt"
1329             warn_altivec disabled PPC74xx
1330         ;;
1331         G5|g5|970|ppc970|PowerPC970|power4*|Power4*)
1332             add_cflags "-mcpu=970 -mpowerpc-gfxopt -mpowerpc64"
1333             warn_altivec disabled PPC970
1334             POWERPCMODE="64bits"
1335         ;;
1336         # targets that do NOT support conditional mov (cmov)
1337         i[345]86|pentium|pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
1338             add_cflags "-march=$cpu"
1339             cmov="no"
1340         ;;
1341         # targets that do support conditional mov (cmov)
1342         i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64|k8|opteron|athlon-fx|core2)
1343             add_cflags "-march=$cpu"
1344             cmov="yes"
1345             fast_cmov="yes"
1346         ;;
1347         # targets that do support conditional mov but on which it's slow
1348         pentium4|prescott|nocona)
1349             add_cflags "-march=$cpu"
1350             cmov="yes"
1351             fast_cmov="no"
1352         ;;
1353         sparc64)
1354             add_cflags "-mcpu=v9"
1355         ;;
1356         bf*) #bf531 bf532 bf533 bf561 bf5xx all get this config
1357             add_cflags "-mfdpic"
1358             add_ldflags "-mfdpic"
1359         ;;
1360         *)
1361         echo "WARNING: Unknown CPU \"$cpu\", ignored."
1362         ;;
1363     esac
1364 fi
1365
1366 gnu_make(){
1367     $1 --version 2>&1 | grep -q GNU
1368 }
1369
1370 if ! gnu_make $make; then
1371     gnu_make gmake && make=gmake || die "GNU make not found."
1372 fi
1373
1374 # make sure we can execute files in $TMPDIR
1375 cat >$TMPE 2>>$logfile <<EOF
1376 #! /bin/sh
1377 EOF
1378 chmod +x $TMPE >>$logfile 2>&1
1379 if ! $TMPE >>$logfile 2>&1; then
1380     cat <<EOF
1381 Unable to create and execute files in $TMPDIR1.  Set the TMPDIR environment
1382 variable to another directory and make sure that $TMPDIR1 is not mounted
1383 noexec.
1384 EOF
1385     die "Sanity test failed."
1386 fi
1387 rm $TMPE
1388
1389 # compiler sanity check
1390 check_exec <<EOF
1391 int main(){
1392     return 0;
1393 }
1394 EOF
1395 if test "$?" != 0; then
1396     echo "$cc is unable to create an executable file."
1397     if test -z "$cross_prefix" && disabled cross_compile ; then
1398         echo "If $cc is a cross-compiler, use the --cross-compile option."
1399         echo "Only do this if you know what cross compiling means."
1400     fi
1401     die "C compiler test failed."
1402 fi
1403
1404 if test $arch = "x86_32" -o $arch = "x86_64"; then
1405     # check whether EBP is available on x86
1406     # As 'i' is stored on the stack, this program will crash
1407     # if the base pointer is used to access it because the
1408     # base pointer is cleared in the inline assembly code.
1409     check_exec_crash <<EOF && enable ebp_available
1410     volatile int i=0;
1411     asm volatile (
1412         "xorl %%ebp, %%ebp"
1413     ::: "%ebp");
1414     return i;
1415 EOF
1416
1417     # check wether EBX is available on x86
1418     check_cc <<EOF && enable ebx_available
1419 int main(){
1420     asm volatile ("":::"%ebx");
1421 }
1422 EOF
1423 fi
1424
1425 # check for assembler specific support
1426
1427 if test $arch = "powerpc"; then
1428 check_cc <<EOF && dcbzl=yes
1429 int main(void) {
1430     register long zero = 0;
1431     char data[1024];
1432     asm volatile("dcbzl %0, %1" : : "b" (data), "r" (zero));
1433 return 0;
1434 }
1435 EOF
1436 fi
1437
1438 # check for SIMD availability
1439
1440 # AltiVec flags: The FSF version of GCC differs from the Apple version
1441 if test $arch = "powerpc"; then
1442     if enabled altivec; then
1443         if test -n "`$cc -v 2>&1 | grep version | grep Apple`"; then
1444             add_cflags "-faltivec"
1445         else
1446             add_cflags "-maltivec -mabi=altivec"
1447         fi
1448     fi
1449 fi
1450
1451 check_header altivec.h
1452
1453 # check if our compiler supports Motorola AltiVec C API
1454 if enabled altivec; then
1455     if enabled altivec_h; then
1456         inc_altivec_h="#include <altivec.h>"
1457     else
1458         inc_altivec_h=
1459     fi
1460     check_cc <<EOF || altivec=no
1461 $inc_altivec_h
1462 int main(void) {
1463     vector signed int v1, v2, v3;
1464     v1 = vec_add(v2,v3);
1465     return 0;
1466 }
1467 EOF
1468 fi
1469
1470 # check armv5te instructions support
1471 if test $armv5te = "default" -a $arch = "armv4l"; then
1472     armv5te=no
1473     check_cc <<EOF && armv5te=yes
1474         int main(void) {
1475         __asm__ __volatile__ ("qadd r0, r0, r0");
1476         }
1477 EOF
1478 fi
1479
1480 if test $armv6 = "default" -a $arch = "armv4l"; then
1481     check_cc <<EOF && armv6=yes || armv6=no
1482 int main(void) {
1483     __asm__ __volatile__ ("sadd16 r0, r0, r0");
1484 }
1485 EOF
1486 fi
1487
1488 # check iwmmxt support
1489 if test $iwmmxt = "default" -a $arch = "armv4l"; then
1490     iwmmxt=no
1491     check_cc <<EOF && iwmmxt=yes
1492         int main(void) {
1493         __asm__ __volatile__ ("wunpckelub wr6, wr4");
1494         }
1495 EOF
1496 fi
1497
1498 # mmi only available on mips
1499 if test $mmi = "default"; then
1500     if test $arch = "mips"; then
1501         mmi="yes"
1502     else
1503         mmi="no"
1504     fi
1505 fi
1506
1507 # check if our compiler supports mmi
1508 enabled mmi && check_cc <<EOF || mmi="no"
1509 int main(void) {
1510     __asm__ ("lq \$2, 0(\$2)");
1511     return 0;
1512 }
1513 EOF
1514
1515 # ---
1516 # big/little-endian test
1517 if disabled cross_compile; then
1518     check_ld <<EOF || die "endian test failed" && $TMPE && bigendian="yes"
1519 #include <inttypes.h>
1520 int main(int argc, char ** argv){
1521         volatile uint32_t i=0x01234567;
1522         return (*((uint8_t*)(&i))) == 0x67;
1523 }
1524 EOF
1525 else
1526     # programs cannot be launched if cross compiling, so make a static guess
1527     if test "$arch" = "powerpc" -o "$arch" = "mips" ; then
1528         bigendian="yes"
1529     fi
1530 fi
1531
1532 # ---
1533 # check availability of some header files
1534
1535 check_header malloc.h
1536 check_func memalign
1537
1538 if disabled_all memalign memalign_hack && enabled need_memalign ; then
1539     die "Error, no memalign() but SSE enabled, disable it or use --enable-memalign-hack."
1540 fi
1541
1542 check_header byteswap.h
1543
1544 check_header arpa/inet.h
1545
1546 check_func inet_aton
1547 check_func localtime_r
1548 enabled zlib && check_lib zlib.h zlibVersion -lz || zlib="no"
1549
1550 # ffserver uses poll(),
1551 # if it's not found we can emulate it using select().
1552 if enabled ffserver; then
1553     check_header sys/poll.h
1554 fi
1555
1556 # check for some common methods of building with pthread support
1557 # do this before the optional library checks as some of them require pthreads
1558 if enabled pthreads; then
1559     if check_func pthread_create; then
1560         :
1561     elif check_func pthread_create -pthread; then
1562         add_cflags -pthread
1563         add_ldflags -pthread
1564     elif check_func pthread_create -pthreads; then
1565         add_cflags -pthreads
1566         add_ldflags -pthreads
1567     elif ! check_lib pthread.h pthread_create -lpthread; then
1568         die "ERROR: can't find pthreads library"
1569     fi
1570 fi
1571
1572 for thread in $THREADS_LIST; do
1573     if enabled $thread; then
1574         if ! disabled thread_type ; then
1575             die "ERROR: Only one thread type must be selected."
1576         else
1577             thread_type="$thread"
1578         fi
1579     fi
1580 done
1581
1582 enabled_any amr_nb amr_nb_fixed amr_wb && enable amr
1583 enabled_all amr_nb amr_nb_fixed &&
1584     die "Only one of amr_nb and amr_nb_fixed may be enabled."
1585
1586 # these are off by default, so fail if requested and not available
1587 enabled amr_nb     && require libamrnb amrnb/interf_dec.h Speech_Decode_Frame_init -lamrnb -lm
1588 enabled amr_wb     && require libamrwb amrwb/dec_if.h D_IF_init -lamrwb -lm
1589 enabled liba52     && require liba52 a52dec/a52.h a52_init -la52
1590 enabled libdts     && require libdts dts.h dts_init -ldts -lm
1591 enabled libgsm     && require libgsm gsm.h gsm_create -lgsm
1592 enabled libmp3lame && require LAME lame/lame.h lame_init -lmp3lame -lm
1593 enabled libtheora  && require libtheora theora/theora.h theora_info_init -ltheora -logg
1594 enabled libvorbis  && require libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbis -lvorbisenc -logg
1595 enabled libogg     && require libogg ogg/ogg.h ogg_sync_init -logg
1596 enabled libnut     && require libnut libnut.h nut_demuxer_init -lnut
1597 enabled xvid       && require XviD xvid.h xvid_global -lxvidcore
1598 enabled x264       && require x264 x264.h x264_encoder_open -lx264
1599 enabled dc1394     && require libdc1394 libdc1394/dc1394_control.h dc1394_create_handle -ldc1394_control -lraw1394
1600 enabled mlib       && require mediaLib mlib_types.h mlib_VectorSub_S16_U8_Mod -lmlib
1601 enabled libfaac    && require2 libfaac "stdint.h faac.h" faacEncGetVersion -lfaac
1602 enabled libfaad    && require2 libfaad faad.h faacDecOpen -lfaad
1603 enabled avisynth   && require2 vfw32 "windows.h vfw.h" AVIFileInit -lvfw32
1604
1605 # test for lrintf in math.h
1606 check_exec <<EOF && lrintf=yes || lrintf=no
1607 #define _ISOC9X_SOURCE  1
1608 #include <math.h>
1609 int main( void ) { return (lrintf(3.999f) > 0)?0:1; }
1610 EOF
1611
1612 _restrict=
1613 for restrict_keyword in restrict __restrict__ __restrict; do
1614     check_cc <<EOF && _restrict=$restrict_keyword && break
1615 void foo(char * $restrict_keyword p);
1616 EOF
1617 done
1618
1619 # dlopen/dlfcn.h probing
1620
1621 check_header dlfcn.h
1622
1623 if check_func dlopen; then
1624     ldl=
1625 elif check_func dlopen -ldl; then
1626     ldl=-ldl
1627 fi
1628
1629 test "$vhook" = "default" && vhook="$dlopen"
1630
1631 enabled_any vhook liba52bin libfaadbin ffserver && add_extralibs $ldl
1632
1633 if test "$targetos" = cygwin && enabled static ; then
1634     vhook="no"
1635     echo
1636     echo "At the moment vhooks don't work on Cygwin static builds."
1637     echo "Patches welcome."
1638     echo
1639 fi
1640
1641 if enabled vhook; then
1642     check_ldflags -rdynamic
1643     check_ldflags -export-dynamic
1644 fi
1645
1646 enabled audio_beos && add_extralibs "-lmedia -lbe"
1647
1648 check_foo_config imlib2 imlib2 Imlib2.h imlib_load_font
1649 check_foo_config freetype2 freetype ft2build.h FT_Init_FreeType
1650
1651 ##########################################
1652 # SDL check
1653
1654 sdl_too_old=no
1655 sdl=no
1656 SDL_CONFIG="${cross_prefix}sdl-config"
1657 if "${SDL_CONFIG}" --version >/dev/null 2>&1; then
1658     sdl_cflags=`"${SDL_CONFIG}" --cflags`
1659     temp_cflags $sdl_cflags
1660     temp_extralibs `"${SDL_CONFIG}" --libs`
1661     if check_lib SDL.h SDL_Init; then
1662         _sdlversion=`"${SDL_CONFIG}" --version | sed 's/[^0-9]//g'`
1663         if test "$_sdlversion" -lt 121 ; then
1664             sdl_too_old=yes
1665         else
1666             sdl=yes
1667             check_cc $sdl_cflags <<EOF && enable sdl_video_size
1668 #include <SDL.h>
1669 int main(void){
1670     const SDL_VideoInfo *vi = SDL_GetVideoInfo();
1671     int w = vi->current_w;
1672     return 0;
1673 }
1674 EOF
1675         fi
1676     fi
1677     restore_flags
1678 fi
1679
1680 texi2html -version >/dev/null 2>&1 && enable texi2html || disable texi2html
1681
1682 ##########################################
1683 # IPv6 check
1684
1685 enabled network && enabled ipv6 && check_ld <<EOF && ipv6=yes || ipv6=no
1686 #include <sys/types.h>
1687 #include <sys/socket.h>
1688 #include <netinet/in.h>
1689 #include <netdb.h>
1690 int main( void ) {
1691   struct sockaddr_storage saddr;
1692   struct ipv6_mreq mreq6;
1693   getaddrinfo(0,0,0,0);
1694   getnameinfo(0,0,0,0,0,0,0);
1695   IN6_IS_ADDR_MULTICAST((const struct in6_addr *)0);
1696 }
1697 EOF
1698
1699 enabled v4l  && check_header linux/videodev.h  || disable v4l
1700 enabled v4l2 && check_header linux/videodev2.h || disable v4l2
1701
1702 # check for ioctl_meteor.h, ioctl_bt848.h and alternatives
1703 if enabled bktr; then
1704     { check_header dev/bktr/ioctl_meteor.h &&
1705       check_header dev/bktr/ioctl_bt848.h; } ||
1706     { check_header machine/ioctl_meteor.h &&
1707       check_header machine/ioctl_bt848.h; } ||
1708     { check_header dev/video/meteor/ioctl_meteor.h &&
1709       check_header dev/video/bktr/ioctl_bt848.h; } ||
1710     check_header dev/ic/bt8xx.h ||
1711     disable bktr
1712 fi
1713
1714 enabled audio_oss &&
1715     check_header sys/soundcard.h ||
1716     check_header soundcard.h ||
1717     disable audio_oss
1718
1719 # Deal with the x11 frame grabber
1720 enabled x11grab                         &&
1721 enabled gpl                             &&
1722 enabled x11_grab_device_demuxer         &&
1723 check_header X11/Xlib.h                 &&
1724 check_header X11/extensions/XShm.h      &&
1725 check_func XOpenDisplay -lX11           &&
1726 check_func XShmCreateImage -lX11 -lXext &&
1727 add_extralibs -lX11 -lXext              ||
1728 disable x11_grab_device_demuxer
1729
1730 enabled debug && add_cflags -g
1731
1732 # add some useful compiler flags if supported
1733 check_cflags -Wdeclaration-after-statement
1734 check_cflags -Wall
1735 check_cflags -Wno-switch
1736 check_cflags -Wdisabled-optimization
1737 check_cflags -Wpointer-arith
1738 check_cflags -Wredundant-decls
1739 check_cflags -Wno-pointer-sign
1740 enabled extra_warnings && check_cflags -Winline
1741
1742 # add some linker flags
1743 check_ldflags $LDLATEFLAGS
1744
1745 # not all compilers support -Os
1746 test "$optimize" = "small" && check_cflags -Os
1747
1748 if enabled optimize; then
1749     if test -n "`$cc -v 2>&1 | grep xlc`"; then
1750         add_cflags  "-O5"
1751         add_ldflags "-O5"
1752     else
1753         add_cflags "-O3"
1754     fi
1755 fi
1756
1757 # PIC flags for shared library objects where they are needed
1758 if enabled shared; then
1759     # LIBOBJFLAGS may have already been set in the OS configuration
1760     if test -z "$LIBOBJFLAGS" ; then
1761         case "$arch" in
1762             x86_64|ia64|alpha|sparc*|power*) LIBOBJFLAGS="\$(PIC)" ;;
1763         esac
1764     fi
1765 fi
1766
1767 if enabled gprof; then
1768     add_cflags  "-p"
1769     add_ldflags "-p"
1770 fi
1771
1772 VHOOKCFLAGS="-fPIC $CFLAGS"
1773 enabled needmdynamicnopic && add_cflags -mdynamic-no-pic
1774
1775 # find if .align arg is power-of-two or not
1776 if test $asmalign_pot = "unknown"; then
1777     asmalign_pot="no"
1778     echo 'asm (".align 3");' | check_cc && asmalign_pot="yes"
1779 fi
1780
1781 enabled_any $ENCODER_LIST && enable encoders
1782 enabled_any $DECODER_LIST && enable decoders
1783 enabled_any $MUXER_LIST   && enable muxers
1784 enabled_any $DEMUXER_LIST && enable demuxers
1785
1786 enabled_any $THREADS_LIST && enable threads
1787
1788 check_deps $CONFIG_LIST $HAVE_LIST $DECODER_LIST $ENCODER_LIST $PARSER_LIST \
1789     $DEMUXER_LIST $MUXER_LIST
1790
1791 enabled libogg    && append pkg_requires "ogg >= 1.1"
1792 enabled libtheora && append pkg_requires "theora"
1793 enabled libvorbis && append pkg_requires "vorbis vorbisenc"
1794 enabled dc1394    && append pkg_requires "libraw1394"
1795
1796 echo "install prefix            $PREFIX"
1797 echo "source path               $source_path"
1798 echo "C compiler                $cc"
1799 echo "make                      $make"
1800 echo ".align is power-of-two    $asmalign_pot"
1801 echo "ARCH                      $arch ($cpu)"
1802 if test "$BUILDSUF" != ""; then
1803     echo "build suffix              $BUILDSUF"
1804 fi
1805 echo "big-endian                $bigendian"
1806 if test $arch = "x86_32" -o $arch = "x86_64"; then
1807     echo "MMX enabled               $mmx"
1808     echo "CMOV enabled              $cmov"
1809     echo "CMOV is fast              $fast_cmov"
1810 fi
1811 if test $arch = "armv4l"; then
1812     echo "ARMv5TE enabled           $armv5te"
1813     echo "ARMv6 enabled             $armv6"
1814     echo "IWMMXT enabled            $iwmmxt"
1815 fi
1816 if test $arch = "mips"; then
1817     echo "MMI enabled               $mmi"
1818 fi
1819 if test $arch = "powerpc"; then
1820     echo "AltiVec enabled           $altivec"
1821     echo "dcbzl available           $dcbzl"
1822 fi
1823 echo "gprof enabled             $gprof"
1824 echo "debug symbols             $debug"
1825 echo "strip symbols             $dostrip"
1826 echo "optimize                  $optimize"
1827 echo "static                    $static"
1828 echo "shared                    $shared"
1829 echo "postprocessing support    $pp"
1830 echo "software scaler enabled   $swscaler"
1831 echo "video hooking             $vhook"
1832 if enabled vhook; then
1833     echo "Imlib2 support            $imlib2"
1834     echo "FreeType support          $freetype2"
1835 fi
1836 echo "network support           $network"
1837 if enabled network; then
1838     echo "IPv6 support              $ipv6"
1839 fi
1840 echo "threading support         $thread_type"
1841 echo "SDL support               $sdl"
1842 if enabled sdl_too_old; then
1843     echo "-> Your SDL version is too old - please upgrade to have FFplay/SDL support."
1844 fi
1845 echo "Sun medialib support      $mlib"
1846 echo "AVISynth enabled          $avisynth"
1847 echo "liba52 support            $liba52"
1848 echo "liba52 dlopened           $liba52bin"
1849 echo "libdts support            $libdts"
1850 echo "libfaac enabled           $libfaac"
1851 echo "libfaad enabled           $libfaad"
1852 echo "faadbin enabled           $libfaadbin"
1853 echo "libgsm enabled            $libgsm"
1854 echo "libmp3lame enabled        $libmp3lame"
1855 echo "libnut enabled            $libnut"
1856 echo "libogg enabled            $libogg"
1857 echo "libtheora enabled         $libtheora"
1858 echo "libvorbis enabled         $libvorbis"
1859 echo "x264 enabled              $x264"
1860 echo "XviD enabled              $xvid"
1861 echo "zlib enabled              $zlib"
1862 echo "AMR-NB float support      $amr_nb"
1863 echo "AMR-NB fixed support      $amr_nb_fixed"
1864 echo "AMR-WB float support      $amr_wb"
1865 if disabled gpl; then
1866     echo "License: LGPL"
1867 else
1868     echo "License: GPL"
1869 fi
1870
1871 echo "Creating config.mak and config.h..."
1872
1873 echo "# Automatically generated by configure - do not modify!" > config.mak
1874 echo "/* Automatically generated by configure - do not modify! */" > $TMPH
1875 echo "#define FFMPEG_CONFIGURATION \"$FFMPEG_CONFIGURATION\"" >> $TMPH
1876
1877 echo "PREFIX=$PREFIX" >> config.mak
1878 echo "prefix=\$(DESTDIR)\${PREFIX}" >> config.mak
1879 echo "libdir=\$(DESTDIR)$libdir" >> config.mak
1880 echo "shlibdir=\$(DESTDIR)$shlibdir" >> config.mak
1881 echo "incdir=\$(DESTDIR)$incdir" >> config.mak
1882 echo "bindir=\$(DESTDIR)$bindir" >> config.mak
1883 echo "mandir=\$(DESTDIR)$mandir" >> config.mak
1884 echo "MAKE=$make" >> config.mak
1885 echo "CC=$cc" >> config.mak
1886 echo "AR=$ar" >> config.mak
1887 echo "RANLIB=$ranlib" >> config.mak
1888 if enabled dostrip; then
1889     echo "STRIP=$strip" >> config.mak
1890 else
1891     echo "STRIP=echo ignoring strip" >> config.mak
1892 fi
1893
1894 echo "OPTFLAGS=$CFLAGS" >> config.mak
1895 echo "VHOOKCFLAGS=$VHOOKCFLAGS">>config.mak
1896 echo "LDFLAGS=$LDFLAGS" >> config.mak
1897 echo "LDCONFIG=$LDCONFIG" >> config.mak
1898 echo "FFSERVERLDFLAGS=$FFSERVERLDFLAGS" >> config.mak
1899 echo "SHFLAGS=$SHFLAGS" >> config.mak
1900 echo "VHOOKSHFLAGS=$VHOOKSHFLAGS" >> config.mak
1901 echo "VHOOKLIBS=$VHOOKLIBS" >> config.mak
1902 echo "LIBOBJFLAGS=$LIBOBJFLAGS" >> config.mak
1903 echo "BUILD_STATIC=$static" >> config.mak
1904 echo "BUILDSUF=$BUILDSUF" >> config.mak
1905 echo "LIBPREF=$LIBPREF" >> config.mak
1906 echo "LIBSUF=\${BUILDSUF}$LIBSUF" >> config.mak
1907 if enabled static; then
1908   echo "LIB=$LIB" >> config.mak
1909 else # Some Make complain if this variable does not exist.
1910   echo "LIB=" >> config.mak
1911 fi
1912 echo "SLIBPREF=$SLIBPREF" >> config.mak
1913 echo "SLIBSUF=\${BUILDSUF}$SLIBSUF" >> config.mak
1914 echo "EXESUF=\${BUILDSUF}$EXESUF" >> config.mak
1915
1916 ucarch=`toupper $arch`
1917 echo "TARGET_ARCH_${ucarch}=yes" >> config.mak
1918 echo "#define ARCH_${ucarch} 1" >> $TMPH
1919
1920 # special cases
1921 case "$arch" in
1922     x86_32|x86_64)
1923         echo "TARGET_ARCH_X86=yes" >> config.mak
1924         echo "#define ARCH_X86 1" >> $TMPH
1925         ;;
1926     powerpc)
1927         if test "$POWERPCMODE" = "64bits"; then
1928             echo "#define POWERPC_MODE_64BITS 1" >> $TMPH
1929         fi
1930         ;;
1931     sparc64)
1932         echo "TARGET_ARCH_SPARC=yes" >> config.mak
1933         echo "#define ARCH_SPARC 1" >> $TMPH
1934         ;;
1935 esac
1936
1937 if enabled bigendian; then
1938   echo "WORDS_BIGENDIAN=yes" >> config.mak
1939   echo "#define WORDS_BIGENDIAN 1" >> $TMPH
1940 fi
1941 if enabled mmx; then
1942   echo "#define __CPU__ 586" >> $TMPH
1943 fi
1944
1945 if enabled sdl; then
1946   echo "SDL_LIBS=`"${SDL_CONFIG}" --libs`" >> config.mak
1947   echo "SDL_CFLAGS=`"${SDL_CONFIG}" --cflags`" >> config.mak
1948 fi
1949 if enabled texi2html; then
1950   echo "BUILD_DOC=yes" >> config.mak
1951 fi
1952
1953 sws_version=`grep '#define LIBSWSCALE_VERSION ' "$source_path/libswscale/swscale.h" | sed 's/[^0-9\.]//g'`
1954 pp_version=`grep '#define LIBPOSTPROC_VERSION ' "$source_path/libpostproc/postprocess.h" | sed 's/[^0-9\.]//g'`
1955 lavc_version=`grep '#define LIBAVCODEC_VERSION ' "$source_path/libavcodec/avcodec.h" | sed 's/[^0-9\.]//g'`
1956 lavf_version=`grep '#define LIBAVFORMAT_VERSION ' "$source_path/libavformat/avformat.h" | sed 's/[^0-9\.]//g'`
1957 lavu_version=`grep '#define LIBAVUTIL_VERSION ' "$source_path/libavutil/avutil.h" | sed 's/[^0-9\.]//g'`
1958
1959
1960
1961 if enabled shared; then
1962   echo "BUILD_SHARED=yes" >> config.mak
1963   echo "PIC=-fPIC -DPIC" >> config.mak
1964   echo "SPPMAJOR=${pp_version%%.*}" >> config.mak
1965   echo "SPPVERSION=$pp_version" >> config.mak
1966   echo "LAVCMAJOR=${lavc_version%%.*}" >> config.mak
1967   echo "LAVCVERSION=$lavc_version" >> config.mak
1968   echo "LAVFMAJOR=${lavf_version%%.*}" >> config.mak
1969   echo "LAVFVERSION=$lavf_version" >> config.mak
1970   echo "LAVUMAJOR=${lavu_version%%.*}" >> config.mak
1971   echo "LAVUVERSION=$lavu_version" >> config.mak
1972   echo "SWSMAJOR=${sws_version%%.*}" >> config.mak
1973   echo "SWSVERSION=$sws_version" >> config.mak
1974   echo "SLIBNAME=${SLIBNAME}" >> config.mak
1975   echo "SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}" >> config.mak
1976   echo "SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}" >> config.mak
1977   echo "SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}" >> config.mak
1978   echo "SLIB_INSTALL_EXTRA_CMD=${SLIB_INSTALL_EXTRA_CMD}" >> config.mak
1979 fi
1980 echo "LIB_INSTALL_EXTRA_CMD=${LIB_INSTALL_EXTRA_CMD}" >> config.mak
1981 echo "EXTRALIBS=$extralibs" >> config.mak
1982
1983 print_config HAVE_   $TMPH config.mak $HAVE_LIST
1984 print_config CONFIG_ $TMPH config.mak $CONFIG_LIST
1985 print_config TARGET_ $TMPH config.mak $TARGET_LIST
1986
1987 if test "$targetos" = darwin; then
1988   echo "#define CONFIG_DARWIN 1"  >> $TMPH
1989 fi
1990
1991 echo "#define restrict $_restrict" >> $TMPH
1992
1993 if test "$optimize" = "small"; then
1994   echo "#define always_inline"  >> $TMPH
1995   echo "#define CONFIG_SMALL 1" >> $TMPH
1996 fi
1997
1998 echo "SRC_PATH=\"$source_path\"" >> config.mak
1999 echo "SRC_PATH_BARE=$source_path" >> config.mak
2000 echo "BUILD_ROOT=\"$PWD\"" >> config.mak
2001
2002 # Apparently it's not possible to portably echo a backslash.
2003 if enabled asmalign_pot; then
2004   printf '#define ASMALIGN(ZEROBITS) ".align " #ZEROBITS "\\n\\t"\n' >> $TMPH
2005 else
2006   printf '#define ASMALIGN(ZEROBITS) ".align 1<<" #ZEROBITS "\\n\\t"\n' >> $TMPH
2007 fi
2008
2009
2010 for part in $DECODER_LIST $ENCODER_LIST $PARSER_LIST $DEMUXER_LIST $MUXER_LIST; do
2011     ucname="`toupper $part`"
2012     config_name="CONFIG_$ucname"
2013     enabled_name="ENABLE_$ucname"
2014     if enabled $part; then
2015         echo "#define $config_name 1" >> $TMPH
2016         echo "#define $enabled_name 1" >> $TMPH
2017         echo "$config_name=yes" >> config.mak
2018     else
2019         echo "#define $enabled_name 0" >> $TMPH
2020     fi
2021 done
2022
2023 # Do not overwrite config.h if unchanged to avoid superfluous rebuilds.
2024 if ! cmp -s $TMPH config.h; then
2025         mv -f $TMPH config.h
2026 else
2027         echo "config.h is unchanged"
2028 fi
2029
2030 rm -f $TMPO $TMPC $TMPE $TMPS $TMPH
2031
2032 # build tree in object directory if source path is different from current one
2033 if enabled source_path_used; then
2034     DIRS="\
2035          doc \
2036          libavformat \
2037          libavcodec \
2038          libavcodec/alpha \
2039          libavcodec/armv4l \
2040          libavcodec/bfin \
2041          libavcodec/i386 \
2042          libavcodec/sparc \
2043          libavcodec/mlib \
2044          libavcodec/ppc \
2045          libavcodec/amr \
2046          libpostproc \
2047          libavutil \
2048          libswscale \
2049          tests \
2050          vhook \
2051          "
2052     FILES="\
2053           Makefile \
2054           common.mak \
2055           libavformat/Makefile \
2056           libavcodec/Makefile \
2057           libpostproc/Makefile \
2058           libavutil/Makefile \
2059           libswscale/Makefile \
2060           tests/Makefile \
2061           vhook/Makefile \
2062           doc/Makefile \
2063           doc/texi2pod.pl \
2064           "
2065     for dir in $DIRS ; do
2066             mkdir -p $dir
2067     done
2068     for f in $FILES ; do
2069         ln -sf "$source_path/$f" $f
2070     done
2071 fi
2072
2073
2074 # build pkg-config files
2075 # FIXME: libdir and includedir are hardcoded and may differ from the real path.
2076
2077 pkgconfig_generate(){
2078 name=$1
2079 comment=$2
2080 version=$3
2081 libs=$4
2082 requires=$5
2083 include=$6
2084 cat <<EOF >$name.pc
2085 prefix=$PREFIX
2086 exec_prefix=\${prefix}
2087 libdir=\${exec_prefix}/lib
2088 includedir=\${prefix}/include
2089
2090 Name: $name
2091 Description: $comment
2092 Version: $version
2093 Requires: $requires
2094 Conflicts:
2095 Libs: -L\${libdir} $libs
2096 Cflags: -I\${includedir} -I\${includedir}/$include
2097 EOF
2098 }
2099
2100 pkgconfig_generate_uninstalled(){
2101 name=$1
2102 shortname=${name#lib}
2103 comment=$2
2104 version=$3
2105 libs=$4
2106 requires=$5
2107 cat <<EOF >$name-uninstalled.pc
2108 prefix=
2109 exec_prefix=
2110 libdir=\${pcfiledir}/$name
2111 includedir=\${pcfiledir}/$name
2112
2113 Name: $name
2114 Description: $comment
2115 Version: $version
2116 Requires: $requires
2117 Conflicts:
2118 Libs: \${libdir}/${LIBPREF}${shortname}${LIBSUF} $libs
2119 Cflags: -I\${includedir}
2120 EOF
2121 }
2122
2123 pkgconfig_generate libavutil "FFmpeg utility library" "$lavu_version" -lavutil "" ffmpeg
2124 pkgconfig_generate_uninstalled libavutil "FFmpeg utility library" "$lavu_version"
2125
2126 pkgconfig_generate libavcodec "FFmpeg codec library" "$lavc_version" "-lavcodec $extralibs" "$pkg_requires libavutil = $lavu_version" ffmpeg
2127 pkgconfig_generate_uninstalled libavcodec "FFmpeg codec library" "$lavc_version" "$extralibs" "$pkg_requires libavutil = $lavu_version"
2128
2129 pkgconfig_generate libavformat "FFmpeg container format library" "$lavf_version" "-lavformat $extralibs" "$pkg_requires libavcodec = $lavc_version" ffmpeg
2130 pkgconfig_generate_uninstalled libavformat "FFmpeg container format library" "$lavf_version" "$extralibs" "$pkg_requires libavcodec = $lavc_version"
2131
2132 if enabled pp; then
2133   pkgconfig_generate libpostproc "FFmpeg post processing library" "$pp_version" -lpostproc "" postproc
2134   pkgconfig_generate_uninstalled libpostproc "FFmpeg post processing library" "$pp_version"
2135 fi
2136
2137 if enabled swscaler; then
2138   pkgconfig_generate libswscale "FFmpeg image rescaling library" "$sws_version" -lswscale "libavutil = $lavu_version" ffmpeg
2139   pkgconfig_generate_uninstalled libswscale "FFmpeg image rescaling library" "$sws_version" "" "libavutil = $lavu_version"
2140 else
2141   pkgconfig_generate libswscale "FFmpeg image rescaling library" "$sws_version" "" "$pkg_requires libavcodec = $lavc_version" ffmpeg
2142   pkgconfig_generate_uninstalled libswscale "FFmpeg image rescaling library" "$sws_version" "" "$pkg_requires libavcodec = $lavc_version"
2143   apply libswscale.pc sed s/^Libs:.*$/Libs:/
2144   apply libswscale-uninstalled.pc sed s/^Libs:.*$/Libs:/
2145 fi