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-libamr-nb       enable libamr-nb floating point audio codec"
  87   echo "  --enable-libamr-wb       enable libamr-wb floating point audio codec"
  88   echo "  --enable-libdts          enable GPLed libdts support [default=no]"
  89   echo "  --enable-libfaac         enable FAAC support via libfaac [default=no]"
  90   echo "  --enable-libfaad         enable FAAD support via libfaad [default=no]"
  91   echo "  --enable-libfaadbin      build FAAD support with runtime linking [default=no]"
  92   echo "  --enable-libgsm          enable GSM support via libgsm [default=no]"
  93   echo "  --enable-libmp3lame      enable MP3 encoding via libmp3lame [default=no]"
  94   echo "  --enable-libnut          enable NUT (de)muxing via libnut,"
  95   echo "                           native demuxer exists [default=no]"
  96   echo "  --enable-libogg          enable Ogg muxing via libogg [default=no]"
  97   echo "  --enable-libtheora       enable Theora encoding via libtheora [default=no]"
  98   echo "  --enable-libvorbis       enable Vorbis en/decoding via libvorbis,"
  99   echo "                           native implementations exist [default=no]"
 100   echo "  --enable-x264            enable H.264 encoding via x264 [default=no]"
 101   echo "  --enable-xvid            enable Xvid encoding via xvidcore,"
 102   echo "                           native MPEG-4/Xvid encoder exists [default=no]"
 103   echo ""
 104   echo "Advanced options (experts only):"
 105   echo "  --source-path=PATH       path to source code [$source_path]"
 106   echo "  --cross-prefix=PREFIX    use PREFIX for compilation tools [$cross_prefix]"
 107   echo "  --cross-compile          assume a cross-compiler is used"
 108   echo "  --target-os=OS           compiler targets OS [$targetos]"
 109   echo "  --cc=CC                  use C compiler CC [$cc]"
 110   echo "  --make=MAKE              use specified make [$make]"
 111   echo "  --extra-cflags=ECFLAGS   add ECFLAGS to CFLAGS [$CFLAGS]"
 112   echo "  --extra-ldflags=ELDFLAGS add ELDFLAGS to LDFLAGS [$LDFLAGS]"
 113   echo "  --extra-libs=ELIBS       add ELIBS [$ELIBS]"
 114   echo "  --build-suffix=SUFFIX    suffix for application specific build []"
 115   echo "  --arch=ARCH              select architecture  [$arch]"
 116   echo "  --cpu=CPU                selects the minimum cpu required (affects"
 117   echo "                           instruction selection, may crash on older CPUs)"
 118   echo "  --enable-powerpc-perf    enable performance report on PPC"
 119   echo "                           (requires enabling PMC)"
 120   echo "  --disable-mmx            disable MMX usage"
 121   echo "  --disable-armv5te        disable armv5te usage"
 122   echo "  --disable-armv6          disable armv6 usage"
 123   echo "  --disable-iwmmxt         disable iwmmxt usage"
 124   echo "  --disable-altivec        disable AltiVec usage"
 125   echo "  --disable-audio-oss      disable OSS audio support [default=no]"
 126   echo "  --disable-audio-beos     disable BeOS audio support [default=no]"
 127   echo "  --disable-v4l            disable video4linux grabbing [default=no]"
 128   echo "  --disable-v4l2           disable video4linux2 grabbing [default=no]"
 129   echo "  --disable-bktr           disable bktr video grabbing [default=no]"
 130   echo "  --disable-dv1394         disable DV1394 grabbing [default=no]"
 131   echo "  --disable-network        disable network support [default=no]"
 132   echo "  --disable-ipv6           disable ipv6 support [default=no]"
 133   echo "  --disable-zlib           disable zlib [default=no]"
 134   echo "  --disable-vhook          disable video hooking support"
 135   echo "  --disable-debug          disable debugging symbols"
 136   echo "  --disable-mpegaudio-hp   faster (but less accurate)"
 137   echo "                           MPEG audio decoding [default=no]"
 138   echo "  --disable-ffmpeg         disable ffmpeg build"
 139   echo "  --disable-ffserver       disable ffserver build"
 140   echo "  --disable-ffplay         disable ffplay build"
 141   echo "  --enable-small           optimize for size instead of speed"
 142   echo "  --enable-memalign-hack   emulate memalign, interferes with memory debuggers"
 143   echo "  --disable-encoder=NAME   disables encoder NAME"
 144   echo "  --enable-encoder=NAME    enables encoder NAME"
 145   echo "  --disable-decoder=NAME   disables decoder NAME"
 146   echo "  --enable-decoder=NAME    enables decoder NAME"
 147   echo "  --disable-encoders       disables all encoders"
 148   echo "  --disable-decoders       disables all decoders"
 149   echo "  --disable-muxer=NAME     disables muxer NAME"
 150   echo "  --enable-muxer=NAME      enables muxer NAME"
 151   echo "  --disable-muxers         disables all muxers"
 152   echo "  --disable-demuxer=NAME   disables demuxer NAME"
 153   echo "  --enable-demuxer=NAME    enables demuxer NAME"
 154   echo "  --disable-demuxers       disables all demuxers"
 155   echo "  --enable-parser=NAME     enables parser NAME"
 156   echo "  --disable-parser=NAME    disables parser NAME"
 157   echo "  --disable-parsers        disables all parsers"
 158   echo "  --enable-bsf=NAME        enables bitstream filter NAME"
 159   echo "  --disable-bsf=NAME       disables bitstream filter NAME"
 160   echo "  --disable-bsfs           disables all bitstream filters"
 161   echo "  --enable-protocol=NAME   enables protocol NAME"
 162   echo "  --disable-protocol=NAME  disables protocol NAME"
 163   echo "  --disable-protocols      disables all protocols"
 164   echo
 165   echo "Developer options (useful when working on FFmpeg itself):"
 166   echo "  --enable-gprof           enable profiling with gprof [$gprof]"
 167   echo "  --disable-opts           disable compiler optimizations"
 168   echo "  --enable-extra-warnings  enable more compiler warnings"
 169   echo "  --disable-strip          disable stripping of executables and shared libraries"
 170   echo ""
 171   echo "NOTE: Object files are built at the place where configure is launched."
 172   exit 1
 173 }
 174
 175 log(){
 176     echo "$@" >>$logfile
 177 }
 178
 179 log_file(){
 180     log BEGIN $1
 181     cat -n $1 >>$logfile
 182     log END $1
 183 }
 184
 185 echolog(){
 186     log "$@"
 187     echo "$@"
 188 }
 189
 190 die(){
 191     echolog "$@"
 192     cat <<EOF
 193 If you think configure made a mistake, make sure you are using the latest
 194 version from SVN.  If the latest version fails, report the problem to the
 195 ffmpeg-devel@mplayerhq.hu mailing list or IRC #ffmpeg on irc.freenode.net.
 196 EOF
 197     if enabled logging; then
 198         cat <<EOF
 199 Include the log file "$logfile" produced by configure as this will help
 200 solving the problem.
 201 EOF
 202     else
 203 cat <<EOF
 204 Rerun configure with logging enabled (do not use --log=no), and include the
 205 log this produces with your report.
 206 EOF
 207     fi
 208     rm -f $TMPC $TMPO $TMPE $TMPS $TMPH
 209     exit 1
 210 }
 211
 212 # "tr '[a-z]' '[A-Z]'" is a workaround for Solaris tr not grokking "tr a-z A-Z"
 213 toupper(){
 214     echo "$@" | tr '[a-z]' '[A-Z]'
 215 }
 216
 217 tolower(){
 218     echo "$@" | tr '[A-Z]' '[a-z]'
 219 }
 220
 221 set_all(){
 222     value=$1
 223     shift
 224     for var in $*; do
 225         eval $var=$value
 226     done
 227 }
 228
 229 pushvar(){
 230     for var in $*; do
 231         eval level=\${${var}_level:=0}
 232         eval ${var}_${level}="\$$var"
 233         eval ${var}_level=$(($level+1))
 234     done
 235 }
 236
 237 popvar(){
 238     for var in $*; do
 239         eval level=\${${var}_level:-0}
 240         test $level = 0 && continue
 241         eval level=$(($level-1))
 242         eval $var="\${${var}_${level}}"
 243         eval ${var}_level=$level
 244         eval unset ${var}_${level}
 245     done
 246 }
 247
 248 enable(){
 249     set_all yes $*
 250 }
 251
 252 disable(){
 253     set_all no $*
 254 }
 255
 256 enabled(){
 257     eval test "x\$$1" = "xyes"
 258 }
 259
 260 disabled(){
 261     eval test "x\$$1" = "xno"
 262 }
 263
 264 enabled_all(){
 265     for opt; do
 266         enabled $opt || return 1
 267     done
 268 }
 269
 270 disabled_all(){
 271     for opt; do
 272         disabled $opt || return 1
 273     done
 274 }
 275
 276 enabled_any(){
 277     for opt; do
 278         enabled $opt && return 0
 279     done
 280 }
 281
 282 disabled_any(){
 283     for opt; do
 284         disabled $opt && return 0
 285     done
 286 }
 287
 288 check_deps(){
 289     for cfg; do
 290         enabled ${cfg}_checking && die "Circular dependency for $cfg."
 291         disabled ${cfg}_checking && continue
 292         enable ${cfg}_checking
 293
 294         eval dep_all="\$${cfg}_deps"
 295         eval dep_any="\$${cfg}_deps_any"
 296
 297         pushvar cfg dep_all dep_any
 298         check_deps $dep_all $dep_any
 299         popvar cfg dep_all dep_any
 300
 301         enabled_all $dep_all || disable $cfg
 302         enabled_any $dep_any || disable $cfg
 303
 304         disable ${cfg}_checking
 305     done
 306 }
 307
 308 print_config(){
 309     pfx=$1
 310     header=$2
 311     makefile=$3
 312     shift 3
 313     for cfg; do
 314         if enabled $cfg; then
 315             ucname="${pfx}`toupper $cfg`"
 316             echo "#define ${ucname} 1" >> $header
 317             echo "${ucname}=yes" >> $makefile
 318         fi
 319     done
 320 }
 321
 322 flags_saved(){
 323     (: ${SAVE_CFLAGS?}) 2>/dev/null
 324 }
 325
 326 save_flags(){
 327     flags_saved && return
 328     SAVE_CFLAGS="$CFLAGS"
 329     SAVE_LDFLAGS="$LDFLAGS"
 330     SAVE_extralibs="$extralibs"
 331 }
 332
 333 restore_flags(){
 334     flags_saved || return
 335     CFLAGS="$SAVE_CFLAGS"
 336     LDFLAGS="$SAVE_LDFLAGS"
 337     extralibs="$SAVE_extralibs"
 338     unset SAVE_CFLAGS
 339     unset SAVE_LDFLAGS
 340     unset SAVE_extralibs
 341 }
 342
 343 temp_cflags(){
 344     save_flags
 345     CFLAGS="$CFLAGS $*"
 346 }
 347
 348 temp_ldflags(){
 349     save_flags
 350     LDFLAGS="$LDFLAGS $*"
 351 }
 352
 353 temp_extralibs(){
 354     save_flags
 355     extralibs="$extralibs $*"
 356 }
 357
 358 append(){
 359     var=$1
 360     shift
 361     flags_saved && eval "SAVE_$var=\"\$SAVE_$var $*\""
 362     eval "$var=\"\$$var $*\""
 363 }
 364
 365 add_cflags(){
 366     append CFLAGS "$@"
 367 }
 368
 369 add_ldflags(){
 370     append LDFLAGS "$@"
 371 }
 372
 373 add_extralibs(){
 374     append extralibs "$@"
 375 }
 376
 377 check_cmd(){
 378     log "$@"
 379     "$@" >>$logfile 2>&1
 380 }
 381
 382 check_cc(){
 383     log check_cc "$@"
 384     cat >$TMPC
 385     log_file $TMPC
 386     check_cmd $cc $CFLAGS "$@" -c -o $TMPO $TMPC
 387 }
 388
 389 check_cpp(){
 390     log check_cpp "$@"
 391     cat >$TMPC
 392     log_file $TMPC
 393     check_cmd $cc $CFLAGS "$@" -E -o $TMPO $TMPC
 394 }
 395
 396 check_ld(){
 397     log check_ld "$@"
 398     check_cc || return
 399     check_cmd $cc $LDFLAGS "$@" -o $TMPE $TMPO $extralibs
 400 }
 401
 402 check_cflags(){
 403     log check_cflags "$@"
 404     check_cc "$@" <<EOF && add_cflags "$@"
 405 int x;
 406 EOF
 407 }
 408
 409 check_ldflags(){
 410     log check_ldflags "$@"
 411     check_ld "$@" <<EOF && add_ldflags "$@"
 412 int main(){
 413     return 0;
 414 }
 415 EOF
 416 }
 417
 418 check_header(){
 419     log check_header "$@"
 420     header=$1
 421     shift
 422     var=`echo $header | sed 's/[^A-Za-z0-9_]/_/g'`
 423     disable $var
 424     check_cpp "$@" <<EOF && enable $var
 425 #include <$header>
 426 int x;
 427 EOF
 428 }
 429
 430 check_func(){
 431     log check_func "$@"
 432     func=$1
 433     shift
 434     disable $func
 435     check_ld "$@" <<EOF && enable $func
 436 extern int $func();
 437 int main(){
 438     $func();
 439 }
 440 EOF
 441 }
 442
 443 check_func2(){
 444     log check_func2 "$@"
 445     headers=$1
 446     func=$2
 447     shift 2
 448     disable $func
 449     incs=""
 450     for hdr in $headers; do
 451         incs="$incs
 452 #include <$hdr>"
 453     done
 454     check_ld "$@" <<EOF && enable $func
 455 $incs
 456 int main(){
 457     (void) $func;
 458     return 0;
 459 }
 460 EOF
 461 }
 462
 463 check_lib(){
 464     log check_lib "$@"
 465     header="$1"
 466     func="$2"
 467     shift 2
 468     temp_extralibs "$@"
 469     check_header $header && check_func $func && add_extralibs "$@"
 470     err=$?
 471     restore_flags
 472     return $err
 473 }
 474
 475 check_lib2(){
 476     log check_lib2 "$@"
 477     headers="$1"
 478     func="$2"
 479     shift 2
 480     temp_extralibs "$@"
 481     check_func2 "$headers" $func && add_extralibs "$@"
 482     err=$?
 483     restore_flags
 484     return $err
 485 }
 486
 487 check_exec(){
 488     check_ld "$@" && { enabled cross_compile || $TMPE >>$logfile 2>&1; }
 489 }
 490
 491 check_exec_crash(){
 492     code=`cat`
 493
 494     # exit() is not async signal safe.  _Exit (C99) and _exit (POSIX)
 495     # are safe but may not be available everywhere.  Thus we use
 496     # raise(SIGTERM) instead.  The check is run in a subshell so we
 497     # can redirect the "Terminated" message from the shell.  SIGBUS
 498     # is not defined by standard C so it is used conditionally.
 499
 500     (check_exec "$@") >>$logfile 2>&1 <<EOF
 501 #include <signal.h>
 502 static void sighandler(int sig){
 503     raise(SIGTERM);
 504 }
 505 int main(){
 506     signal(SIGILL, sighandler);
 507     signal(SIGFPE, sighandler);
 508     signal(SIGSEGV, sighandler);
 509 #ifdef SIGBUS
 510     signal(SIGBUS, sighandler);
 511 #endif
 512     { $code }
 513 }
 514 EOF
 515 }
 516
 517 require(){
 518     name="$1"
 519     header="$2"
 520     func="$3"
 521     shift 3
 522     check_lib $header $func "$@" || die "ERROR: $name not found"
 523 }
 524
 525 require2(){
 526     name="$1"
 527     headers="$2"
 528     func="$3"
 529     shift 3
 530     check_lib2 "$headers" $func "$@" || die "ERROR: $name not found"
 531 }
 532
 533 check_foo_config(){
 534     cfg=$1
 535     pkg=$2
 536     header=$3
 537     func=$4
 538     shift 4
 539     disable $cfg
 540     check_cmd ${pkg}-config --version
 541     err=$?
 542     if test "$err" = 0; then
 543         temp_cflags `${pkg}-config --cflags`
 544         temp_extralibs `${pkg}-config --libs`
 545         check_lib "$@" $header $func && enable $cfg
 546     fi
 547     return $err
 548 }
 549
 550 apply(){
 551     file=$1
 552     shift
 553     "$@" < "$file" > "$file.tmp" && mv "$file.tmp" "$file" || rm "$file.tmp"
 554 }
 555
 556 CONFIG_LIST='
 557     encoders
 558     decoders
 559     parsers
 560     bsfs
 561     muxers
 562     demuxers
 563     audio_beos
 564     audio_oss
 565     avisynth
 566     beos_netserver
 567     bktr
 568     dc1394
 569     dv1394
 570     ffmpeg
 571     ffplay
 572     ffserver
 573     gpl
 574     gprof
 575     ipv6
 576     liba52
 577     liba52bin
 578     libamr
 579     libamr_nb
 580     libamr_wb
 581     libdts
 582     libfaac
 583     libfaad
 584     libfaadbin
 585     libgsm
 586     libmp3lame
 587     libnut
 588     libogg
 589     libtheora
 590     libvorbis
 591     memalign_hack
 592     mpegaudio_hp
 593     network
 594     powerpc_perf
 595     pp
 596     protocols
 597     swscaler
 598     vhook
 599     v4l
 600     v4l2
 601     x11grab
 602     x264
 603     xvid
 604     zlib
 605 '
 606
 607 THREADS_LIST='
 608     beosthreads
 609     os2threads
 610     pthreads
 611     w32threads
 612 '
 613
 614 HAVE_LIST="
 615     $THREADS_LIST
 616     altivec
 617     altivec_h
 618     armv5te
 619     armv6
 620     arpa_inet_h
 621     byteswap_h
 622     cmov
 623     dcbzl
 624     dev_bktr_ioctl_bt848_h
 625     dev_bktr_ioctl_meteor_h
 626     dev_ic_bt8xx_h
 627     dev_video_meteor_ioctl_meteor_h
 628     dev_video_bktr_ioctl_bt848_h
 629     dlfcn_h
 630     dlopen
 631     ebp_available
 632     ebx_available
 633     fast_64bit
 634     fast_cmov
 635     fast_unaligned
 636     freetype2
 637     imlib2
 638     inet_aton
 639     iwmmxt
 640     localtime_r
 641     lrintf
 642     machine_ioctl_bt848_h
 643     machine_ioctl_meteor_h
 644     malloc_h
 645     memalign
 646     mlib
 647     mmi
 648     mmx
 649     os2
 650     sdl
 651     sdl_video_size
 652     soundcard_h
 653     ssse3
 654     sys_poll_h
 655     sys_soundcard_h
 656     threads
 657 "
 658
 659 TARGET_LIST='
 660     altivec
 661     armv5te
 662     armv6
 663     iwmmxt
 664     mmi
 665     mmx
 666 '
 667
 668 CMDLINE_SELECT="
 669     $CONFIG_LIST
 670     $TARGET_LIST
 671     $THREADS_LIST
 672     debug
 673     extra_warnings
 674     shared
 675     static
 676 "
 677
 678 # code dependency declarations
 679
 680 # decoders / encoders
 681 dxa_decoder_deps="zlib"
 682 flashsv_decoder_deps="zlib"
 683 flashsv_encoder_deps="zlib"
 684 flv_decoder_deps="h263_decoder"
 685 h263_decoder_deps="h263_parser mpeg4video_parser"
 686 h263i_decoder_deps="h263_decoder"
 687 h264_decoder_deps="h264_parser"
 688 mpeg_xvmc_decoder_deps="xvmc"
 689 mpeg4_decoder_deps="h263_decoder"
 690 msmpeg4v1_decoder_deps="h263_decoder"
 691 msmpeg4v2_decoder_deps="h263_decoder"
 692 msmpeg4v3_decoder_deps="h263_decoder"
 693 png_decoder_deps="zlib"
 694 png_encoder_deps="zlib"
 695 vc1_decoder_deps="h263_decoder"
 696 wmv1_decoder_deps="h263_decoder"
 697 wmv2_decoder_deps="h263_decoder"
 698 wmv3_decoder_deps="h263_decoder"
 699 x264_encoder_deps="x264"
 700 xvid_encoder_deps="xvid"
 701 zmbv_decoder_deps="zlib"
 702 zmbv_encoder_deps="zlib"
 703
 704 # external libraries
 705 aac_decoder_deps="libfaad"
 706 mpeg4aac_decoder_deps="libfaad"
 707 faac_encoder_deps="libfaac"
 708 liba52_decoder_deps="liba52"
 709 libamr_nb_decoder_deps="libamr_nb"
 710 libamr_nb_encoder_deps="libamr_nb"
 711 libamr_wb_decoder_deps="libamr_wb"
 712 libamr_wb_encoder_deps="libamr_wb"
 713 libdts_decoder_deps="libdts"
 714 libgsm_decoder_deps="libgsm"
 715 libgsm_encoder_deps="libgsm"
 716 libgsm_ms_decoder_deps="libgsm"
 717 libgsm_ms_encoder_deps="libgsm"
 718 libtheora_encoder_deps="libtheora"
 719 mp3lame_encoder_deps="libmp3lame"
 720 libvorbis_decoder_deps="libvorbis"
 721 libvorbis_encoder_deps="libvorbis"
 722
 723 # demuxers / muxers
 724 ac3_demuxer_deps="ac3_parser"
 725 audio_demuxer_deps_any="audio_oss audio_beos"
 726 audio_muxer_deps_any="audio_oss audio_beos"
 727 dc1394_demuxer_deps="dc1394"
 728 dv1394_demuxer_deps="dv1394"
 729 gxf_muxer_deps="gpl"
 730 libnut_demuxer_deps="libnut"
 731 libnut_muxer_deps="libnut"
 732 ogg_muxer_deps="libogg"
 733 redir_demuxer_deps="network"
 734 rtp_muxer_deps="network mpegts_demuxer"
 735 rtsp_demuxer_deps="rtp_protocol rtp_muxer"
 736 sdp_demuxer_deps="rtsp_demuxer"
 737 v4l2_demuxer_deps="v4l2"
 738 video_grab_bktr_demuxer_deps="bktr"
 739 video_grab_v4l_demuxer_deps="v4l"
 740 x11_grab_device_demuxer_deps="x11grab"
 741
 742 # protocols
 743 http_protocol_deps="network"
 744 rtp_protocol_deps="udp_protocol"
 745 tcp_protocol_deps="network"
 746 udp_protocol_deps="network"
 747
 748 # programs
 749 ffplay_deps="sdl"
 750 ffserver_deps="muxers rtp_protocol"
 751
 752
 753 # set temporary file name
 754 if test ! -z "$TMPDIR" ; then
 755     TMPDIR1="${TMPDIR}"
 756 elif test ! -z "$TEMPDIR" ; then
 757     TMPDIR1="${TEMPDIR}"
 758 else
 759     TMPDIR1="/tmp"
 760 fi
 761
 762 TMPC="${TMPDIR1}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}.c"
 763 TMPO="${TMPDIR1}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}.o"
 764 TMPE="${TMPDIR1}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}"
 765 TMPS="${TMPDIR1}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}.S"
 766 TMPH="${TMPDIR1}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}.h"
 767
 768 # default parameters
 769
 770 logging="yes"
 771 logfile="config.err"
 772
 773 # installation paths
 774 PREFIX="/usr/local"
 775 libdir='${PREFIX}/lib'
 776 shlibdir="$libdir"
 777 incdir='${PREFIX}/include/ffmpeg'
 778 mandir='${PREFIX}/man'
 779 bindir='${PREFIX}/bin'
 780
 781 # toolchain
 782 cross_prefix=""
 783 cross_compile="no"
 784 cc="gcc"
 785 ar="ar"
 786 ranlib="ranlib"
 787 make="make"
 788 strip="strip"
 789 asmalign_pot="unknown"
 790
 791 # machine
 792 arch=`uname -m`
 793 cpu="generic"
 794 powerpc_perf="no"
 795 mmx="default"
 796 cmov="no"
 797 fast_cmov="no"
 798 fast_unaligned="no"
 799 armv5te="default"
 800 armv6="default"
 801 iwmmxt="default"
 802 altivec="default"
 803 dcbzl="no"
 804 mmi="default"
 805 bigendian="no"
 806
 807 # OS
 808 targetos=$(tolower $(uname -s))
 809 beos_netserver="no"
 810 os2="no"
 811
 812 # non-library system interfaces
 813 audio_beos="default"
 814 audio_oss="yes"
 815 bktr="yes"
 816 dv1394="yes"
 817 v4l2="yes"
 818 v4l="yes"
 819
 820 # libraries
 821 avisynth="no"
 822 dc1394="no"
 823 dlfcn_h="no"
 824 dlopen="no"
 825 liba52="no"
 826 liba52bin="no"
 827 libamr_nb="no"
 828 libamr_wb="no"
 829 libdts="no"
 830 libfaac="no"
 831 libfaad2="no"
 832 libfaad="no"
 833 libfaadbin="no"
 834 libgsm="no"
 835 libmp3lame="no"
 836 libnut="no"
 837 libogg="no"
 838 libtheora="no"
 839 libvorbis="no"
 840 mlib="no"
 841 x11grab="no"
 842 x264="no"
 843 xvid="no"
 844 zlib="yes"
 845
 846 # configurable options
 847 debug="yes"
 848 dostrip="yes"
 849 extra_warnings="no"
 850 ffmpeg="yes"
 851 ffplay="yes"
 852 ffserver="yes"
 853 gpl="no"
 854 gprof="no"
 855 ipv6="yes"
 856 shared="no"
 857 static="yes"
 858 memalign_hack="no"
 859 mpegaudio_hp="yes"
 860 network="yes"
 861 optimize="yes"
 862 pp="no"
 863 protocols="yes"
 864 swscaler="no"
 865 vhook="default"
 866
 867 # threading
 868 beosthreads="no"
 869 os2threads="no"
 870 pthreads="no"
 871 w32threads="no"
 872 thread_type="no"
 873
 874 # build settings
 875 SHFLAGS='-shared -Wl,-soname,$@'
 876 VHOOKSHFLAGS='$(SHFLAGS)'
 877 LIBOBJFLAGS=""
 878 FFLDFLAGS=-Wl,--warn-common
 879 LDLATEFLAGS='-Wl,-rpath-link,\$(BUILD_ROOT)/libavcodec -Wl,-rpath-link,\$(BUILD_ROOT)/libavformat -Wl,-rpath-link,\$(BUILD_ROOT)/libavutil'
 880 FFSERVERLDFLAGS=-Wl,-E
 881 LDCONFIG="ldconfig"
 882 LIBPREF="lib"
 883 LIBSUF=".a"
 884 LIB='$(LIBPREF)$(NAME)$(LIBSUF)'
 885 SLIBPREF="lib"
 886 SLIBSUF=".so"
 887 SLIBNAME='$(SLIBPREF)$(NAME)$(SLIBSUF)'
 888 SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
 889 SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
 890 EXESUF=""
 891 BUILDSUF=""
 892 LIB_INSTALL_EXTRA_CMD='$(RANLIB) "$(libdir)/$(LIB)"'
 893
 894 # find source path
 895 source_path="`dirname \"$0\"`"
 896 source_path_used="yes"
 897 if test -z "$source_path" -o "$source_path" = "." ; then
 898     source_path="`pwd`"
 899     source_path_used="no"
 900 else
 901     source_path="`cd \"$source_path\"; pwd`"
 902     echo "$source_path" | grep -q '[[:blank:]]' &&
 903       die "Out of tree builds are impossible with whitespace in source path."
 904 fi
 905
 906 if test x"$1" = x"-h" -o x"$1" = x"--help" ; then
 907     show_help
 908 fi
 909
 910 FFMPEG_CONFIGURATION="$@"
 911
 912 ENCODER_LIST=`sed -n 's/^[^#]*ENC.*, *\(.*\)).*/\1_encoder/p' "$source_path/libavcodec/allcodecs.c"`
 913 DECODER_LIST=`sed -n 's/^[^#]*DEC.*, *\(.*\)).*/\1_decoder/p' "$source_path/libavcodec/allcodecs.c"`
 914 PARSER_LIST=`sed -n 's/^[^#]*PARSER.*, *\(.*\)).*/\1_parser/p' "$source_path/libavcodec/allcodecs.c"`
 915 BSF_LIST=`sed -n 's/^[^#]*BSF.*, *\(.*\)).*/\1_bsf/p' "$source_path/libavcodec/allcodecs.c"`
 916 MUXER_LIST=`sed -n 's/^[^#]*_MUX.*, *\(.*\)).*/\1_muxer/p' "$source_path/libavformat/allformats.c"`
 917 DEMUXER_LIST=`sed -n 's/^[^#]*DEMUX.*, *\(.*\)).*/\1_demuxer/p' "$source_path/libavformat/allformats.c"`
 918 PROTOCOL_LIST=`sed -n 's/^[^#]*PROTOCOL.*, *\(.*\)).*/\1_protocol/p' "$source_path/libavformat/allformats.c"`
 919
 920 enable $ENCODER_LIST $DECODER_LIST $PARSER_LIST $MUXER_LIST $DEMUXER_LIST $PROTOCOL_LIST $BSF_LIST
 921
 922 die_unknown(){
 923     echo "Unknown option \"$1\"."
 924     echo "See $0 --help for available options."
 925     exit 1
 926 }
 927
 928 for opt do
 929   optval="${opt#*=}"
 930   case "$opt" in
 931   --log)
 932   ;;
 933   --log=*) logging="$optval"
 934   ;;
 935   --prefix=*) PREFIX="$optval"
 936   ;;
 937   --libdir=*) libdir="$optval"
 938   ;;
 939   --shlibdir=*) shlibdir="$optval"
 940   ;;
 941   --incdir=*) incdir="$optval"
 942   ;;
 943   --mandir=*) mandir="$optval"
 944   ;;
 945   --source-path=*) source_path="$optval"
 946   ;;
 947   --cross-prefix=*) cross_prefix="$optval"
 948   ;;
 949   --cross-compile) cross_compile="yes"
 950   ;;
 951   --target-os=*) targetos="$optval"
 952   ;;
 953   --cc=*) cc="$optval"
 954   ;;
 955   --make=*) make="$optval"
 956   ;;
 957   --extra-cflags=*) add_cflags "$optval"
 958   ;;
 959   --extra-ldflags=*) add_ldflags "$optval"
 960   ;;
 961   --extra-libs=*) add_extralibs "$optval"
 962   ;;
 963   --build-suffix=*) BUILDSUF="$optval"
 964   ;;
 965   --arch=*) arch="$optval"
 966   ;;
 967   --cpu=*) cpu="$optval"
 968   ;;
 969   --disable-opts) optimize="no"
 970   ;;
 971   --enable-small) optimize="small"
 972   ;;
 973   --enable-sunmlib) mlib="yes"
 974   ;;
 975   --disable-strip) dostrip="no"
 976   ;;
 977   --disable-encoders) disable $ENCODER_LIST
 978   ;;
 979   --disable-decoders) disable $DECODER_LIST
 980   ;;
 981   --disable-muxers) disable $MUXER_LIST
 982   ;;
 983   --disable-demuxers) disable $DEMUXER_LIST
 984   ;;
 985   --disable-parsers) disable $PARSER_LIST
 986   ;;
 987   --disable-bsfs) disable $BSF_LIST
 988   ;;
 989   --disable-protocols) disable $PROTOCOL_LIST
 990   ;;
 991   --enable-*=*|--disable-*=*)
 992   eval `echo "$opt" | sed 's/=/-/;s/--/action=/;s/-/ thing=/;s/-/ name=/'`
 993   case "$thing" in
 994       encoder|decoder|muxer|demuxer|parser|bsf|protocol) $action ${optval}_${thing} ;;
 995       *) die_unknown "$opt" ;;
 996   esac
 997   ;;
 998   --enable-?*|--disable-?*)
 999   eval `echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g'`
1000   echo "$CMDLINE_SELECT" | grep -q "^ *$option\$" || die_unknown $opt
1001   $action $option
1002   ;;
1003   --help) show_help
1004   ;;
1005   *)
1006   die_unknown $opt
1007   ;;
1008   esac
1009 done
1010
1011 case "$arch" in
1012   i386|i486|i586|i686|i86pc|BePC)
1013     arch="x86_32"
1014     enable fast_unaligned
1015   ;;
1016   x86_64|amd64)
1017     arch="x86_32"
1018     enable fast_unaligned
1019     canon_arch="`$cc -dumpmachine | sed -e 's,\([^-]*\)-.*,\1,'`"
1020     if [ x"$canon_arch" = x"x86_64" -o x"$canon_arch" = x"amd64" ]; then
1021       if [ -z "`echo $CFLAGS | grep -- -m32`"  ]; then
1022         arch="x86_64"
1023         enable fast_64bit
1024       fi
1025     fi
1026   ;;
1027   # armv4l is a subset of armv[567]*l
1028   arm|armv[4567]*l)
1029     arch="armv4l"
1030   ;;
1031   alpha)
1032     arch="alpha"
1033     enable fast_64bit
1034   ;;
1035   "Power Macintosh"|ppc|powerpc)
1036     arch="powerpc"
1037   ;;
1038   ppc64)
1039     arch="powerpc"
1040     enable fast_64bit
1041   ;;
1042   mips|mipsel|IP*)
1043     arch="mips"
1044   ;;
1045   sun4u|sparc64)
1046     arch="sparc64"
1047     enable fast_64bit
1048   ;;
1049   sparc)
1050     arch="sparc"
1051   ;;
1052   sh4)
1053     arch="sh4"
1054   ;;
1055   parisc)
1056     arch="parisc"
1057   ;;
1058   parisc64)
1059     arch="parisc"
1060     enable fast_64bit
1061   ;;
1062   s390|s390x)
1063     arch="s390"
1064   ;;
1065   m68k)
1066     arch="m68k"
1067   ;;
1068   ia64)
1069     arch="ia64"
1070     enable fast_64bit
1071   ;;
1072   bfin)
1073     arch="bfin"
1074   ;;
1075   *)
1076     arch="unknown"
1077   ;;
1078 esac
1079
1080 # OS specific
1081 osextralibs="-lm"
1082 case $targetos in
1083   beos|haiku|zeta)
1084     PREFIX="$HOME/config"
1085     # helps building libavcodec
1086     add_cflags "-DPIC -fomit-frame-pointer"
1087     # 3 gcc releases known for BeOS, each with ugly bugs
1088     gcc_version="`$cc -v 2>&1 | grep version | cut -d ' ' -f3-`"
1089     case "$gcc_version" in
1090       2.9-beos-991026*|2.9-beos-000224*) echo "R5/GG gcc"
1091         mmx="no"
1092         ;;
1093       *20010315*) echo "BeBits gcc"
1094         add_cflags "-fno-expensive-optimizations"
1095         ;;
1096     esac
1097     LDCONFIG="echo ignoring ldconfig"
1098     SHFLAGS=-nostart
1099     # disable Linux things
1100     dv1394="no"
1101     # enable BeOS things
1102     disabled audio_beos || enable_audio_beos
1103     # no need for libm, but the inet stuff
1104     # Check for BONE
1105     # XXX: actually should check for NOT net_server
1106     if (echo $BEINCLUDES|grep 'headers/be/bone' >/dev/null); then
1107         osextralibs="-lbind -lsocket"
1108     else
1109         beos_netserver="yes"
1110         osextralibs="-lnet"
1111     fi ;;
1112   sunos)
1113     dv1394="no"
1114     FFLDFLAGS=""
1115     FFSERVERLDFLAGS=""
1116     SHFLAGS="-shared -Wl,-h,\$@"
1117     add_extralibs "-lsocket -lnsl"
1118     ;;
1119   netbsd)
1120     dv1394="no"
1121     add_extralibs "-lossaudio"
1122     ;;
1123   openbsd)
1124     dv1394="no"
1125     need_memalign="no"
1126     LIBOBJFLAGS="\$(PIC)"
1127     LDCONFIG="ldconfig -m \$(shlibdir)"
1128     SHFLAGS='-shared'
1129     SLIBNAME='$(SLIBPREF)$(NAME)$(SLIBSUF).$(LIBVERSION)'
1130     SLIBNAME_WITH_VERSION='$(SLIBNAME)'
1131     SLIBNAME_WITH_MAJOR='$(SLIBNAME)'
1132     add_extralibs "-lossaudio"
1133     ;;
1134   freebsd)
1135     dv1394="no"
1136     need_memalign="no"
1137     add_cflags "-pthread"
1138     ;;
1139   gnu/kfreebsd)
1140     dv1394="no"
1141     add_cflags "-pthread"
1142     ;;
1143   bsd/os)
1144     dv1394="no"
1145     osextralibs="-lpoll -lgnugetopt -lm"
1146     strip="strip -d"
1147     ;;
1148   darwin)
1149     dv1394="no"
1150     need_memalign="no"
1151     SHFLAGS="-dynamiclib -Wl,-single_module -Wl,-install_name,\$(shlibdir)/\$(SLIBNAME),-current_version,\$(SPPVERSION),-compatibility_version,\$(SPPVERSION) -Wl,-read_only_relocs,suppress"
1152     VHOOKSHFLAGS='-dynamiclib -Wl,-single_module -flat_namespace -undefined suppress -Wl,-install_name,$(shlibdir)/vhook/$@'
1153     osextralibs=""
1154     strip="strip -x"
1155     FFLDFLAGS="-Wl,-dynamic,-search_paths_first"
1156     SLIBSUF=".dylib"
1157     SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME).$(LIBVERSION)$(SLIBSUF)'
1158     SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(NAME).$(LIBMAJOR)$(SLIBSUF)'
1159     FFSERVERLDFLAGS=-Wl,-bind_at_load
1160     ;;
1161   mingw32*)
1162     targetos=mingw32
1163     shlibdir="$bindir"
1164     dv1394="no"
1165     ffserver="no"
1166     network="no"
1167     SLIBPREF=""
1168     SLIBSUF=".dll"
1169     EXESUF=".exe"
1170     SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
1171     SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(NAME)-$(LIBMAJOR)$(SLIBSUF)'
1172     SLIB_EXTRA_CMD="-lib /machine:i386 /def:\$(@:${SLIBSUF}=.def)"
1173     SLIB_INSTALL_EXTRA_CMD="-install -m 644 \$(SLIBNAME_WITH_MAJOR:\$(SLIBSUF)=.lib) \"\$(shlibdir)/\$(SLIBNAME_WITH_MAJOR:\$(SLIBSUF)=.lib)\""
1174     SHFLAGS="-shared -Wl,--output-def,\$(@:${SLIBSUF}=.def),--out-implib,lib\$(SLIBNAME:\$(SLIBSUF)=.dll.a) -Wl,--enable-runtime-pseudo-reloc"
1175     enabled network && add_extralibs -lws2_32
1176     ;;
1177   cygwin*)
1178     targetos=cygwin
1179     shlibdir="$bindir"
1180     dv1394="no"
1181     VHOOKSHFLAGS='-shared -L$(BUILD_ROOT)/libavformat -L$(BUILD_ROOT)/libavcodec -L$(BUILD_ROOT)/libswscale -L$(BUILD_ROOT)/libavutil'
1182     VHOOKLIBS='-lavformat$(BUILDSUF) -lavcodec$(BUILDSUF) -lswscale$(BUILDSUF) -lavutil$(BUILDSUF) $(EXTRALIBS)'
1183     osextralibs=""
1184     EXESUF=".exe"
1185     SLIBPREF="cyg"
1186     SLIBSUF=".dll"
1187     SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
1188     SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(NAME)-$(LIBMAJOR)$(SLIBSUF)'
1189     SHFLAGS='-shared -Wl,--out-implib=lib$(NAME).dll.a'
1190     ;;
1191   linux)
1192     LDLATEFLAGS="-Wl,--as-needed $LDLATEFLAGS"
1193     ;;
1194   irix*)
1195     targetos=irix
1196     ranlib="echo ignoring ranlib"
1197     ;;
1198   os/2)
1199     TMPE=$TMPE".exe"
1200     ar="emxomfar -p128"
1201     ranlib="echo ignoring ranlib"
1202     strip="echo ignoring strip"
1203     add_cflags "-Zomf"
1204     FFLDFLAGS="-Zomf -Zstack 16384 -s"
1205     SHFLAGS="-Zdll -Zomf"
1206     FFSERVERLDFLAGS=""
1207     LIBPREF=""
1208     LIBSUF=".lib"
1209     SLIBPREF=""
1210     SLIBSUF=".dll"
1211     EXESUF=".exe"
1212     osextralibs=""
1213     pkg_requires=""
1214     dv1394="no"
1215     ffserver="no"
1216     vhook="no"
1217     os2="yes"
1218     ;;
1219   *)
1220     targetos="${targetos}-UNKNOWN"
1221     ;;
1222 esac
1223
1224 add_extralibs $osextralibs
1225
1226 if ! disabled logging ; then
1227     enabled logging || logfile="$logging"
1228     echo "# $0 $@" >$logfile
1229     set >>$logfile
1230 else
1231     logfile=/dev/null
1232 fi
1233
1234 # Combine FFLDFLAGS and the LDFLAGS environment variable.
1235 LDFLAGS="$FFLDFLAGS $LDFLAGS"
1236
1237 test -n "$cross_prefix" && cross_compile=yes
1238 cc="${cross_prefix}${cc}"
1239 ar="${cross_prefix}${ar}"
1240 ranlib="${cross_prefix}${ranlib}"
1241 strip="${cross_prefix}${strip}"
1242
1243 # we need to build at least one lib type
1244 if disabled_all static shared; then
1245     cat <<EOF
1246 At least one library type must be built.
1247 Specify --enable-static to build the static libraries or --enable-shared to
1248 build the shared libraries as well. To only build the shared libraries specify
1249 --disable-static in addition to --enable-shared.
1250 EOF
1251     exit 1;
1252 fi
1253
1254 if disabled libogg; then
1255     enabled libtheora && die "libogg must be enabled to enable libtheora."
1256     enabled libvorbis && die "libogg must be enabled to enable libvorbis."
1257 fi
1258
1259 if enabled_any libfaad libfaadbin ; then
1260     if check_header faad.h; then
1261         check_cc << EOF
1262 #include <faad.h>
1263 #ifndef FAAD2_VERSION
1264 ok faad1
1265 #endif
1266 int main( void ) { return 0; }
1267 EOF
1268         test $? = 0 && enable libfaad2
1269     else
1270         die "FAAD test failed."
1271     fi
1272 fi
1273
1274
1275 if disabled gpl ; then
1276     die_gpl_disabled(){
1277         name=$1
1278         shift
1279         enabled_any $@ && die "$name is under GPL and --enable-gpl is not specified."
1280     }
1281     die_gpl_disabled "The Postprocessing code" pp
1282     die_gpl_disabled "liba52"                  liba52
1283     die_gpl_disabled "libxvidcore"             xvid
1284     die_gpl_disabled "x264"                    x264
1285     die_gpl_disabled "libdts"                  libdts
1286     die_gpl_disabled "FAAD2"                   libfaad2
1287     die_gpl_disabled "The X11 grabber"         x11grab
1288     die_gpl_disabled "The software scaler"     swscaler
1289 fi
1290
1291 # compute MMX state
1292 if test $mmx = "default"; then
1293     if test $arch = "x86_32" -o $arch = "x86_64"; then
1294         mmx="yes"
1295     else
1296         mmx="no"
1297     fi
1298 fi
1299
1300 test -z "$need_memalign" && need_memalign="$mmx"
1301
1302 #Darwin CC versions
1303 needmdynamicnopic="no"
1304 if test $targetos = darwin; then
1305     if test -n "`$cc -v 2>&1 | grep xlc`"; then
1306         add_cflags "-qpdf2 -qlanglvl=extc99 -qmaxmem=-1 -qarch=auto -qtune=auto"
1307     else
1308         add_cflags "-no-cpp-precomp -pipe"
1309         check_cflags "-force_cpusubtype_ALL"
1310         check_cflags "-Wno-sign-compare"
1311         disabled shared && needmdynamicnopic="yes"
1312     fi
1313 fi
1314 enabled needmdynamicnopic && add_cflags -mdynamic-no-pic
1315
1316 disabled optimize || add_cflags -fomit-frame-pointer
1317
1318 # Can only do AltiVec on PowerPC
1319 if test $altivec = "default"; then
1320     if test $arch = "powerpc"; then
1321         altivec="yes"
1322     else
1323         altivec="no"
1324     fi
1325 fi
1326
1327 # Add processor-specific flags
1328 POWERPCMODE="32bits"
1329 if test $cpu != "generic"; then
1330     warn_altivec(){
1331         $1 altivec && echo "WARNING: Tuning for $2 but AltiVec $1.";
1332     }
1333     case $cpu in
1334         601|ppc601|PowerPC601)
1335             add_cflags "-mcpu=601"
1336             warn_altivec enabled PPC601
1337         ;;
1338         603*|ppc603*|PowerPC603*)
1339             add_cflags "-mcpu=603"
1340             warn_altivec enabled PPC603
1341         ;;
1342         604*|ppc604*|PowerPC604*)
1343             add_cflags "-mcpu=604"
1344             warn_altivec enabled PPC604
1345         ;;
1346         G3|g3|75*|ppc75*|PowerPC75*)
1347             add_cflags "-mcpu=750 -mpowerpc-gfxopt"
1348             warn_altivec enabled PPC75x
1349         ;;
1350         G4|g4|745*|ppc745*|PowerPC745*)
1351             add_cflags "-mcpu=7450 -mpowerpc-gfxopt"
1352             warn_altivec disabled PPC745x
1353         ;;
1354         74*|ppc74*|PowerPC74*)
1355             add_cflags "-mcpu=7400 -mpowerpc-gfxopt"
1356             warn_altivec disabled PPC74xx
1357         ;;
1358         G5|g5|970|ppc970|PowerPC970|power4*|Power4*)
1359             add_cflags "-mcpu=970 -mpowerpc-gfxopt -mpowerpc64"
1360             warn_altivec disabled PPC970
1361             POWERPCMODE="64bits"
1362         ;;
1363         # targets that do NOT support conditional mov (cmov)
1364         i[345]86|pentium|pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
1365             add_cflags "-march=$cpu"
1366             cmov="no"
1367         ;;
1368         # targets that do support conditional mov (cmov)
1369         i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64|k8|opteron|athlon-fx|core2)
1370             add_cflags "-march=$cpu"
1371             cmov="yes"
1372             fast_cmov="yes"
1373         ;;
1374         # targets that do support conditional mov but on which it's slow
1375         pentium4|prescott|nocona)
1376             add_cflags "-march=$cpu"
1377             cmov="yes"
1378             fast_cmov="no"
1379         ;;
1380         sparc64)
1381             add_cflags "-mcpu=v9"
1382         ;;
1383         bf*) #bf531 bf532 bf533 bf561 bf5xx all get this config
1384             add_cflags "-mfdpic"
1385             add_ldflags "-mfdpic"
1386         ;;
1387         *)
1388         echo "WARNING: Unknown CPU \"$cpu\", ignored."
1389         ;;
1390     esac
1391 fi
1392
1393 gnu_make(){
1394     $1 --version 2>&1 | grep -q GNU
1395 }
1396
1397 if ! gnu_make $make; then
1398     gnu_make gmake && make=gmake || die "GNU make not found."
1399 fi
1400
1401 # make sure we can execute files in $TMPDIR
1402 cat >$TMPE 2>>$logfile <<EOF
1403 #! /bin/sh
1404 EOF
1405 chmod +x $TMPE >>$logfile 2>&1
1406 if ! $TMPE >>$logfile 2>&1; then
1407     cat <<EOF
1408 Unable to create and execute files in $TMPDIR1.  Set the TMPDIR environment
1409 variable to another directory and make sure that $TMPDIR1 is not mounted
1410 noexec.
1411 EOF
1412     die "Sanity test failed."
1413 fi
1414 rm $TMPE
1415
1416 # compiler sanity check
1417 check_exec <<EOF
1418 int main(){
1419     return 0;
1420 }
1421 EOF
1422 if test "$?" != 0; then
1423     echo "$cc is unable to create an executable file."
1424     if test -z "$cross_prefix" && disabled cross_compile ; then
1425         echo "If $cc is a cross-compiler, use the --cross-compile option."
1426         echo "Only do this if you know what cross compiling means."
1427     fi
1428     die "C compiler test failed."
1429 fi
1430
1431 if test $arch = "x86_32" -o $arch = "x86_64"; then
1432     # check whether EBP is available on x86
1433     # As 'i' is stored on the stack, this program will crash
1434     # if the base pointer is used to access it because the
1435     # base pointer is cleared in the inline assembly code.
1436     check_exec_crash <<EOF && enable ebp_available
1437     volatile int i=0;
1438     asm volatile (
1439         "xorl %%ebp, %%ebp"
1440     ::: "%ebp");
1441     return i;
1442 EOF
1443
1444     # check wether EBX is available on x86
1445     check_cc <<EOF && enable ebx_available
1446 int main(){
1447     asm volatile ("":::"%ebx");
1448 }
1449 EOF
1450
1451     # check whether binutils is new enough to compile SSSE3
1452     check_cc <<EOF && enable ssse3
1453 int main(){
1454     asm volatile ("pabsw %xmm0, %xmm0");
1455 }
1456 EOF
1457 fi
1458
1459 # check for assembler specific support
1460
1461 if test $arch = "powerpc"; then
1462 check_cc <<EOF && dcbzl=yes
1463 int main(void) {
1464     register long zero = 0;
1465     char data[1024];
1466     asm volatile("dcbzl %0, %1" : : "b" (data), "r" (zero));
1467 return 0;
1468 }
1469 EOF
1470 fi
1471
1472 # check for SIMD availability
1473
1474 # AltiVec flags: The FSF version of GCC differs from the Apple version
1475 if test $arch = "powerpc"; then
1476     if enabled altivec; then
1477         if test -n "`$cc -v 2>&1 | grep version | grep Apple`"; then
1478             add_cflags "-faltivec"
1479         else
1480             add_cflags "-maltivec -mabi=altivec"
1481         fi
1482     fi
1483 fi
1484
1485 check_header altivec.h
1486
1487 # check if our compiler supports Motorola AltiVec C API
1488 if enabled altivec; then
1489     if enabled altivec_h; then
1490         inc_altivec_h="#include <altivec.h>"
1491     else
1492         inc_altivec_h=
1493     fi
1494     check_cc <<EOF || altivec=no
1495 $inc_altivec_h
1496 int main(void) {
1497     vector signed int v1, v2, v3;
1498     v1 = vec_add(v2,v3);
1499     return 0;
1500 }
1501 EOF
1502 fi
1503
1504 # check armv5te instructions support
1505 if test $armv5te = "default" -a $arch = "armv4l"; then
1506     armv5te=no
1507     check_cc <<EOF && armv5te=yes
1508         int main(void) {
1509         __asm__ __volatile__ ("qadd r0, r0, r0");
1510         }
1511 EOF
1512 fi
1513
1514 if test $armv6 = "default" -a $arch = "armv4l"; then
1515     check_cc <<EOF && armv6=yes || armv6=no
1516 int main(void) {
1517     __asm__ __volatile__ ("sadd16 r0, r0, r0");
1518 }
1519 EOF
1520 fi
1521
1522 # check iwmmxt support
1523 if test $iwmmxt = "default" -a $arch = "armv4l"; then
1524     iwmmxt=no
1525     check_cc <<EOF && iwmmxt=yes
1526         int main(void) {
1527         __asm__ __volatile__ ("wunpckelub wr6, wr4");
1528         }
1529 EOF
1530 fi
1531
1532 # mmi only available on mips
1533 if test $mmi = "default"; then
1534     if test $arch = "mips"; then
1535         mmi="yes"
1536     else
1537         mmi="no"
1538     fi
1539 fi
1540
1541 # check if our compiler supports mmi
1542 enabled mmi && check_cc <<EOF || mmi="no"
1543 int main(void) {
1544     __asm__ ("lq \$2, 0(\$2)");
1545     return 0;
1546 }
1547 EOF
1548
1549 # ---
1550 # big/little-endian test
1551 if disabled cross_compile; then
1552     check_ld <<EOF || die "endian test failed" && $TMPE && bigendian="yes"
1553 #include <inttypes.h>
1554 int main(int argc, char ** argv){
1555         volatile uint32_t i=0x01234567;
1556         return (*((uint8_t*)(&i))) == 0x67;
1557 }
1558 EOF
1559 else
1560     # programs cannot be launched if cross compiling, so make a static guess
1561     if test "$arch" = "powerpc" -o "$arch" = "mips" ; then
1562         bigendian="yes"
1563     fi
1564 fi
1565
1566 # ---
1567 # check availability of some header files
1568
1569 check_header malloc.h
1570 check_func memalign
1571
1572 if disabled_all memalign memalign_hack && enabled need_memalign ; then
1573     die "Error, no memalign() but SSE enabled, disable it or use --enable-memalign-hack."
1574 fi
1575
1576 check_header byteswap.h
1577
1578 check_header arpa/inet.h
1579
1580 check_func inet_aton
1581 check_func localtime_r
1582 enabled zlib && check_lib zlib.h zlibVersion -lz || zlib="no"
1583
1584 # ffserver uses poll(),
1585 # if it's not found we can emulate it using select().
1586 if enabled ffserver; then
1587     check_header sys/poll.h
1588 fi
1589
1590 # check for some common methods of building with pthread support
1591 # do this before the optional library checks as some of them require pthreads
1592 if enabled pthreads; then
1593     if check_func pthread_create; then
1594         :
1595     elif check_func pthread_create -pthread; then
1596         add_cflags -pthread
1597         add_ldflags -pthread
1598     elif check_func pthread_create -pthreads; then
1599         add_cflags -pthreads
1600         add_ldflags -pthreads
1601     elif ! check_lib pthread.h pthread_create -lpthread; then
1602         die "ERROR: can't find pthreads library"
1603     fi
1604 fi
1605
1606 for thread in $THREADS_LIST; do
1607     if enabled $thread; then
1608         if ! disabled thread_type ; then
1609             die "ERROR: Only one thread type must be selected."
1610         else
1611             thread_type="$thread"
1612         fi
1613     fi
1614 done
1615
1616 enabled_any libamr_nb libamr_wb && enable libamr
1617
1618 # these are off by default, so fail if requested and not available
1619 enabled liba52     && require liba52 a52dec/a52.h a52_init -la52
1620 enabled libamr_nb  && require libamrnb amrnb/interf_dec.h Speech_Decode_Frame_init -lamrnb -lm
1621 enabled libamr_wb  && require libamrwb amrwb/dec_if.h D_IF_init -lamrwb -lm
1622 enabled libdts     && require libdts dts.h dts_init -ldts -lm
1623 enabled libgsm     && require libgsm gsm.h gsm_create -lgsm
1624 enabled libmp3lame && require LAME lame/lame.h lame_init -lmp3lame -lm
1625 enabled libtheora  && require libtheora theora/theora.h theora_info_init -ltheora -logg
1626 enabled libvorbis  && require libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbis -lvorbisenc -logg
1627 enabled libogg     && require libogg ogg/ogg.h ogg_sync_init -logg
1628 enabled libnut     && require libnut libnut.h nut_demuxer_init -lnut
1629 enabled xvid       && require XviD xvid.h xvid_global -lxvidcore
1630 enabled x264       && require x264 x264.h x264_encoder_open -lx264
1631 enabled dc1394     && require libdc1394 libdc1394/dc1394_control.h dc1394_create_handle -ldc1394_control -lraw1394
1632 enabled mlib       && require mediaLib mlib_types.h mlib_VectorSub_S16_U8_Mod -lmlib
1633 enabled libfaac    && require2 libfaac "stdint.h faac.h" faacEncGetVersion -lfaac
1634 enabled libfaad    && require2 libfaad faad.h faacDecOpen -lfaad
1635 enabled avisynth   && require2 vfw32 "windows.h vfw.h" AVIFileInit -lvfw32
1636
1637 # test for lrintf in math.h
1638 check_exec <<EOF && lrintf=yes || lrintf=no
1639 #define _ISOC9X_SOURCE  1
1640 #include <math.h>
1641 int main( void ) { return (lrintf(3.999f) > 0)?0:1; }
1642 EOF
1643
1644 _restrict=
1645 for restrict_keyword in restrict __restrict__ __restrict; do
1646     check_cc <<EOF && _restrict=$restrict_keyword && break
1647 void foo(char * $restrict_keyword p);
1648 EOF
1649 done
1650
1651 # dlopen/dlfcn.h probing
1652
1653 check_header dlfcn.h
1654
1655 if check_func dlopen; then
1656     ldl=
1657 elif check_func dlopen -ldl; then
1658     ldl=-ldl
1659 fi
1660
1661 test "$vhook" = "default" && vhook="$dlopen"
1662
1663 enabled_any vhook liba52bin libfaadbin ffserver && add_extralibs $ldl
1664
1665 if test "$targetos" = cygwin && enabled static ; then
1666     vhook="no"
1667     echo
1668     echo "At the moment vhooks don't work on Cygwin static builds."
1669     echo "Patches welcome."
1670     echo
1671 fi
1672
1673 if enabled vhook; then
1674     check_ldflags -rdynamic
1675     check_ldflags -export-dynamic
1676 fi
1677
1678 enabled audio_beos && add_extralibs "-lmedia -lbe"
1679
1680 check_foo_config imlib2 imlib2 Imlib2.h imlib_load_font
1681 check_foo_config freetype2 freetype ft2build.h FT_Init_FreeType
1682
1683 ##########################################
1684 # SDL check
1685
1686 sdl_too_old=no
1687 sdl=no
1688 SDL_CONFIG="${cross_prefix}sdl-config"
1689 if "${SDL_CONFIG}" --version >/dev/null 2>&1; then
1690     sdl_cflags=`"${SDL_CONFIG}" --cflags`
1691     temp_cflags $sdl_cflags
1692     temp_extralibs `"${SDL_CONFIG}" --libs`
1693     if check_lib SDL.h SDL_Init; then
1694         _sdlversion=`"${SDL_CONFIG}" --version | sed 's/[^0-9]//g'`
1695         if test "$_sdlversion" -lt 121 ; then
1696             sdl_too_old=yes
1697         else
1698             sdl=yes
1699             check_cc $sdl_cflags <<EOF && enable sdl_video_size
1700 #include <SDL.h>
1701 int main(void){
1702     const SDL_VideoInfo *vi = SDL_GetVideoInfo();
1703     int w = vi->current_w;
1704     return 0;
1705 }
1706 EOF
1707         fi
1708     fi
1709     restore_flags
1710 fi
1711
1712 texi2html -version >/dev/null 2>&1 && enable texi2html || disable texi2html
1713
1714 ##########################################
1715 # IPv6 check
1716
1717 enabled network && enabled ipv6 && check_ld <<EOF && ipv6=yes || ipv6=no
1718 #include <sys/types.h>
1719 #include <sys/socket.h>
1720 #include <netinet/in.h>
1721 #include <netdb.h>
1722 int main( void ) {
1723   struct sockaddr_storage saddr;
1724   struct ipv6_mreq mreq6;
1725   getaddrinfo(0,0,0,0);
1726   getnameinfo(0,0,0,0,0,0,0);
1727   IN6_IS_ADDR_MULTICAST((const struct in6_addr *)0);
1728 }
1729 EOF
1730
1731 enabled v4l  && check_header linux/videodev.h  || disable v4l
1732 enabled v4l2 && check_header linux/videodev2.h || disable v4l2
1733
1734 # check for ioctl_meteor.h, ioctl_bt848.h and alternatives
1735 if enabled bktr; then
1736     { check_header dev/bktr/ioctl_meteor.h &&
1737       check_header dev/bktr/ioctl_bt848.h; } ||
1738     { check_header machine/ioctl_meteor.h &&
1739       check_header machine/ioctl_bt848.h; } ||
1740     { check_header dev/video/meteor/ioctl_meteor.h &&
1741       check_header dev/video/bktr/ioctl_bt848.h; } ||
1742     check_header dev/ic/bt8xx.h ||
1743     disable bktr
1744 fi
1745
1746 enabled audio_oss &&
1747     check_header sys/soundcard.h ||
1748     check_header soundcard.h ||
1749     disable audio_oss
1750
1751 # Deal with the x11 frame grabber
1752 enabled x11grab                         &&
1753 enabled gpl                             &&
1754 enabled x11_grab_device_demuxer         &&
1755 check_header X11/Xlib.h                 &&
1756 check_header X11/extensions/XShm.h      &&
1757 check_func XOpenDisplay -lX11           &&
1758 check_func XShmCreateImage -lX11 -lXext &&
1759 add_extralibs -lX11 -lXext              ||
1760 disable x11_grab_device_demuxer
1761
1762 enabled debug && add_cflags -g
1763
1764 # add some useful compiler flags if supported
1765 check_cflags -Wdeclaration-after-statement
1766 check_cflags -Wall
1767 check_cflags -Wno-switch
1768 check_cflags -Wdisabled-optimization
1769 check_cflags -Wpointer-arith
1770 check_cflags -Wredundant-decls
1771 check_cflags -Wno-pointer-sign
1772 enabled extra_warnings && check_cflags -Winline
1773
1774 # add some linker flags
1775 check_ldflags $LDLATEFLAGS
1776
1777 # not all compilers support -Os
1778 test "$optimize" = "small" && check_cflags -Os
1779
1780 if enabled optimize; then
1781     if test -n "`$cc -v 2>&1 | grep xlc`"; then
1782         add_cflags  "-O5"
1783         add_ldflags "-O5"
1784     else
1785         add_cflags "-O3"
1786     fi
1787 fi
1788
1789 # PIC flags for shared library objects where they are needed
1790 if enabled shared; then
1791     # LIBOBJFLAGS may have already been set in the OS configuration
1792     if test -z "$LIBOBJFLAGS" ; then
1793         case "$arch" in
1794             x86_64|ia64|alpha|sparc*|power*) LIBOBJFLAGS="\$(PIC)" ;;
1795         esac
1796     fi
1797 fi
1798
1799 if enabled gprof; then
1800     add_cflags  "-p"
1801     add_ldflags "-p"
1802 fi
1803
1804 VHOOKCFLAGS="-fPIC `echo $CFLAGS | sed s/-mdynamic-no-pic//`"
1805
1806 # find if .align arg is power-of-two or not
1807 if test $asmalign_pot = "unknown"; then
1808     asmalign_pot="no"
1809     echo 'asm (".align 3");' | check_cc && asmalign_pot="yes"
1810 fi
1811
1812 enabled_any $ENCODER_LIST  && enable encoders
1813 enabled_any $DECODER_LIST  && enable decoders
1814 enabled_any $MUXER_LIST    && enable muxers
1815 enabled_any $DEMUXER_LIST  && enable demuxers
1816 enabled_any $PROTOCOL_LIST && enable protocols
1817 enabled_any $BSF_LIST      && enable bsfs
1818
1819 enabled_any $THREADS_LIST  && enable threads
1820
1821 check_deps $CONFIG_LIST $HAVE_LIST $DECODER_LIST $ENCODER_LIST $PARSER_LIST \
1822     $BSF_LIST $DEMUXER_LIST $MUXER_LIST $PROTOCOL_LIST
1823
1824 enabled libogg    && append pkg_requires "ogg >= 1.1"
1825 enabled libtheora && append pkg_requires "theora"
1826 enabled libvorbis && append pkg_requires "vorbis vorbisenc"
1827 enabled dc1394    && append pkg_requires "libraw1394"
1828
1829 echo "install prefix            $PREFIX"
1830 echo "source path               $source_path"
1831 echo "C compiler                $cc"
1832 echo "make                      $make"
1833 echo ".align is power-of-two    $asmalign_pot"
1834 echo "ARCH                      $arch ($cpu)"
1835 if test "$BUILDSUF" != ""; then
1836     echo "build suffix              $BUILDSUF"
1837 fi
1838 echo "big-endian                $bigendian"
1839 if test $arch = "x86_32" -o $arch = "x86_64"; then
1840     echo "MMX enabled               $mmx"
1841     echo "CMOV enabled              $cmov"
1842     echo "CMOV is fast              $fast_cmov"
1843 fi
1844 if test $arch = "armv4l"; then
1845     echo "ARMv5TE enabled           $armv5te"
1846     echo "ARMv6 enabled             $armv6"
1847     echo "IWMMXT enabled            $iwmmxt"
1848 fi
1849 if test $arch = "mips"; then
1850     echo "MMI enabled               $mmi"
1851 fi
1852 if test $arch = "powerpc"; then
1853     echo "AltiVec enabled           $altivec"
1854     echo "dcbzl available           $dcbzl"
1855 fi
1856 echo "gprof enabled             $gprof"
1857 echo "debug symbols             $debug"
1858 echo "strip symbols             $dostrip"
1859 echo "optimize                  $optimize"
1860 echo "static                    $static"
1861 echo "shared                    $shared"
1862 echo "postprocessing support    $pp"
1863 echo "software scaler enabled   $swscaler"
1864 echo "video hooking             $vhook"
1865 if enabled vhook; then
1866     echo "Imlib2 support            $imlib2"
1867     echo "FreeType support          $freetype2"
1868 fi
1869 echo "network support           $network"
1870 if enabled network; then
1871     echo "IPv6 support              $ipv6"
1872 fi
1873 echo "threading support         $thread_type"
1874 echo "SDL support               $sdl"
1875 if enabled sdl_too_old; then
1876     echo "-> Your SDL version is too old - please upgrade to have FFplay/SDL support."
1877 fi
1878 echo "Sun medialib support      $mlib"
1879 echo "AVISynth enabled          $avisynth"
1880 echo "liba52 support            $liba52"
1881 echo "liba52 dlopened           $liba52bin"
1882 echo "libamr-nb support         $libamr_nb"
1883 echo "libamr-wb support         $libamr_wb"
1884 echo "libdts support            $libdts"
1885 echo "libfaac enabled           $libfaac"
1886 echo "libfaad enabled           $libfaad"
1887 echo "faadbin enabled           $libfaadbin"
1888 echo "libgsm enabled            $libgsm"
1889 echo "libmp3lame enabled        $libmp3lame"
1890 echo "libnut enabled            $libnut"
1891 echo "libogg enabled            $libogg"
1892 echo "libtheora enabled         $libtheora"
1893 echo "libvorbis enabled         $libvorbis"
1894 echo "x264 enabled              $x264"
1895 echo "XviD enabled              $xvid"
1896 echo "zlib enabled              $zlib"
1897 if disabled gpl; then
1898     echo "License: LGPL"
1899 else
1900     echo "License: GPL"
1901 fi
1902
1903 echo "Creating config.mak and config.h..."
1904
1905 echo "# Automatically generated by configure - do not modify!" > config.mak
1906 echo "/* Automatically generated by configure - do not modify! */" > $TMPH
1907 echo "#define FFMPEG_CONFIGURATION \"$FFMPEG_CONFIGURATION\"" >> $TMPH
1908
1909 echo "PREFIX=$PREFIX" >> config.mak
1910 echo "prefix=\$(DESTDIR)\${PREFIX}" >> config.mak
1911 echo "libdir=\$(DESTDIR)$libdir" >> config.mak
1912 echo "shlibdir=\$(DESTDIR)$shlibdir" >> config.mak
1913 echo "incdir=\$(DESTDIR)$incdir" >> config.mak
1914 echo "bindir=\$(DESTDIR)$bindir" >> config.mak
1915 echo "mandir=\$(DESTDIR)$mandir" >> config.mak
1916 echo "MAKE=$make" >> config.mak
1917 echo "CC=$cc" >> config.mak
1918 echo "AR=$ar" >> config.mak
1919 echo "RANLIB=$ranlib" >> config.mak
1920 if enabled dostrip; then
1921     echo "STRIP=$strip" >> config.mak
1922 else
1923     echo "STRIP=echo ignoring strip" >> config.mak
1924 fi
1925
1926 echo "OPTFLAGS=$CFLAGS" >> config.mak
1927 echo "VHOOKCFLAGS=$VHOOKCFLAGS">>config.mak
1928 echo "LDFLAGS=$LDFLAGS" >> config.mak
1929 echo "LDCONFIG=$LDCONFIG" >> config.mak
1930 echo "FFSERVERLDFLAGS=$FFSERVERLDFLAGS" >> config.mak
1931 echo "SHFLAGS=$SHFLAGS" >> config.mak
1932 echo "VHOOKSHFLAGS=$VHOOKSHFLAGS" >> config.mak
1933 echo "VHOOKLIBS=$VHOOKLIBS" >> config.mak
1934 echo "LIBOBJFLAGS=$LIBOBJFLAGS" >> config.mak
1935 echo "BUILD_STATIC=$static" >> config.mak
1936 echo "BUILDSUF=$BUILDSUF" >> config.mak
1937 echo "LIBPREF=$LIBPREF" >> config.mak
1938 echo "LIBSUF=\${BUILDSUF}$LIBSUF" >> config.mak
1939 if enabled static; then
1940   echo "LIB=$LIB" >> config.mak
1941 else # Some Make complain if this variable does not exist.
1942   echo "LIB=" >> config.mak
1943 fi
1944 echo "SLIBPREF=$SLIBPREF" >> config.mak
1945 echo "SLIBSUF=\${BUILDSUF}$SLIBSUF" >> config.mak
1946 echo "EXESUF=\${BUILDSUF}$EXESUF" >> config.mak
1947
1948 ucarch=`toupper $arch`
1949 echo "TARGET_ARCH_${ucarch}=yes" >> config.mak
1950 echo "#define ARCH_${ucarch} 1" >> $TMPH
1951
1952 # special cases
1953 case "$arch" in
1954     x86_32|x86_64)
1955         echo "TARGET_ARCH_X86=yes" >> config.mak
1956         echo "#define ARCH_X86 1" >> $TMPH
1957         ;;
1958     powerpc)
1959         if test "$POWERPCMODE" = "64bits"; then
1960             echo "#define POWERPC_MODE_64BITS 1" >> $TMPH
1961         fi
1962         ;;
1963     sparc64)
1964         echo "TARGET_ARCH_SPARC=yes" >> config.mak
1965         echo "#define ARCH_SPARC 1" >> $TMPH
1966         ;;
1967 esac
1968
1969 if enabled bigendian; then
1970   echo "WORDS_BIGENDIAN=yes" >> config.mak
1971   echo "#define WORDS_BIGENDIAN 1" >> $TMPH
1972 fi
1973 if enabled mmx; then
1974   echo "#define __CPU__ 586" >> $TMPH
1975 fi
1976
1977 if enabled sdl; then
1978   echo "SDL_LIBS=`"${SDL_CONFIG}" --libs`" >> config.mak
1979   echo "SDL_CFLAGS=`"${SDL_CONFIG}" --cflags`" >> config.mak
1980 fi
1981 if enabled texi2html; then
1982   echo "BUILD_DOC=yes" >> config.mak
1983 fi
1984
1985 sws_version=`grep '#define LIBSWSCALE_VERSION ' "$source_path/libswscale/swscale.h" | sed 's/[^0-9\.]//g'`
1986 pp_version=`grep '#define LIBPOSTPROC_VERSION ' "$source_path/libpostproc/postprocess.h" | sed 's/[^0-9\.]//g'`
1987 lavc_version=`grep '#define LIBAVCODEC_VERSION ' "$source_path/libavcodec/avcodec.h" | sed 's/[^0-9\.]//g'`
1988 lavf_version=`grep '#define LIBAVFORMAT_VERSION ' "$source_path/libavformat/avformat.h" | sed 's/[^0-9\.]//g'`
1989 lavu_version=`grep '#define LIBAVUTIL_VERSION ' "$source_path/libavutil/avutil.h" | sed 's/[^0-9\.]//g'`
1990
1991
1992
1993 if enabled shared; then
1994   echo "BUILD_SHARED=yes" >> config.mak
1995   echo "PIC=-fPIC -DPIC" >> config.mak
1996   echo "SPPMAJOR=${pp_version%%.*}" >> config.mak
1997   echo "SPPVERSION=$pp_version" >> config.mak
1998   echo "LAVCMAJOR=${lavc_version%%.*}" >> config.mak
1999   echo "LAVCVERSION=$lavc_version" >> config.mak
2000   echo "LAVFMAJOR=${lavf_version%%.*}" >> config.mak
2001   echo "LAVFVERSION=$lavf_version" >> config.mak
2002   echo "LAVUMAJOR=${lavu_version%%.*}" >> config.mak
2003   echo "LAVUVERSION=$lavu_version" >> config.mak
2004   echo "SWSMAJOR=${sws_version%%.*}" >> config.mak
2005   echo "SWSVERSION=$sws_version" >> config.mak
2006   echo "SLIBNAME=${SLIBNAME}" >> config.mak
2007   echo "SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}" >> config.mak
2008   echo "SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}" >> config.mak
2009   echo "SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}" >> config.mak
2010   echo "SLIB_INSTALL_EXTRA_CMD=${SLIB_INSTALL_EXTRA_CMD}" >> config.mak
2011 fi
2012 echo "LIB_INSTALL_EXTRA_CMD=${LIB_INSTALL_EXTRA_CMD}" >> config.mak
2013 echo "EXTRALIBS=$extralibs" >> config.mak
2014
2015 print_config HAVE_   $TMPH config.mak $HAVE_LIST
2016 print_config CONFIG_ $TMPH config.mak $CONFIG_LIST
2017 print_config TARGET_ $TMPH config.mak $TARGET_LIST
2018
2019 if test "$targetos" = darwin; then
2020   echo "#define CONFIG_DARWIN 1"  >> $TMPH
2021 fi
2022
2023 echo "#define restrict $_restrict" >> $TMPH
2024
2025 if test "$optimize" = "small"; then
2026   echo "#define always_inline"  >> $TMPH
2027   echo "#define CONFIG_SMALL 1" >> $TMPH
2028 fi
2029
2030 echo "SRC_PATH=\"$source_path\"" >> config.mak
2031 echo "SRC_PATH_BARE=$source_path" >> config.mak
2032 echo "BUILD_ROOT=\"$PWD\"" >> config.mak
2033
2034 # Apparently it's not possible to portably echo a backslash.
2035 if enabled asmalign_pot; then
2036   printf '#define ASMALIGN(ZEROBITS) ".align " #ZEROBITS "\\n\\t"\n' >> $TMPH
2037 else
2038   printf '#define ASMALIGN(ZEROBITS) ".align 1<<" #ZEROBITS "\\n\\t"\n' >> $TMPH
2039 fi
2040
2041
2042 for part in $DECODER_LIST $ENCODER_LIST $PARSER_LIST $BSF_LIST $DEMUXER_LIST $MUXER_LIST $PROTOCOL_LIST; do
2043     ucname="`toupper $part`"
2044     config_name="CONFIG_$ucname"
2045     enabled_name="ENABLE_$ucname"
2046     if enabled $part; then
2047         echo "#define $config_name 1" >> $TMPH
2048         echo "#define $enabled_name 1" >> $TMPH
2049         echo "$config_name=yes" >> config.mak
2050     else
2051         echo "#define $enabled_name 0" >> $TMPH
2052     fi
2053 done
2054
2055 # Do not overwrite config.h if unchanged to avoid superfluous rebuilds.
2056 if ! cmp -s $TMPH config.h; then
2057         mv -f $TMPH config.h
2058 else
2059         echo "config.h is unchanged"
2060 fi
2061
2062 rm -f $TMPO $TMPC $TMPE $TMPS $TMPH
2063
2064 # build tree in object directory if source path is different from current one
2065 if enabled source_path_used; then
2066     DIRS="\
2067          doc \
2068          libavformat \
2069          libavcodec \
2070          libavcodec/alpha \
2071          libavcodec/armv4l \
2072          libavcodec/bfin \
2073          libavcodec/i386 \
2074          libavcodec/sparc \
2075          libavcodec/mlib \
2076          libavcodec/ppc \
2077          libpostproc \
2078          libavutil \
2079          libswscale \
2080          tests \
2081          vhook \
2082          "
2083     FILES="\
2084           Makefile \
2085           common.mak \
2086           libavformat/Makefile \
2087           libavcodec/Makefile \
2088           libpostproc/Makefile \
2089           libavutil/Makefile \
2090           libswscale/Makefile \
2091           tests/Makefile \
2092           vhook/Makefile \
2093           doc/Makefile \
2094           doc/texi2pod.pl \
2095           "
2096     for dir in $DIRS ; do
2097             mkdir -p $dir
2098     done
2099     for f in $FILES ; do
2100         ln -sf "$source_path/$f" $f
2101     done
2102 fi
2103
2104
2105 # build pkg-config files
2106 # FIXME: libdir and includedir are hardcoded and may differ from the real path.
2107
2108 pkgconfig_generate(){
2109 name=$1
2110 comment=$2
2111 version=$3
2112 libs=$4
2113 requires=$5
2114 include=$6
2115 cat <<EOF >$name.pc
2116 prefix=$PREFIX
2117 exec_prefix=\${prefix}
2118 libdir=\${exec_prefix}/lib
2119 includedir=\${prefix}/include
2120
2121 Name: $name
2122 Description: $comment
2123 Version: $version
2124 Requires: $requires
2125 Conflicts:
2126 Libs: -L\${libdir} $libs
2127 Cflags: -I\${includedir} -I\${includedir}/$include
2128 EOF
2129 }
2130
2131 pkgconfig_generate_uninstalled(){
2132 name=$1
2133 shortname=${name#lib}
2134 comment=$2
2135 version=$3
2136 libs=$4
2137 requires=$5
2138 cat <<EOF >$name-uninstalled.pc
2139 prefix=
2140 exec_prefix=
2141 libdir=\${pcfiledir}/$name
2142 includedir=\${pcfiledir}/$name
2143
2144 Name: $name
2145 Description: $comment
2146 Version: $version
2147 Requires: $requires
2148 Conflicts:
2149 Libs: \${libdir}/${LIBPREF}${shortname}${LIBSUF} $libs
2150 Cflags: -I\${includedir}
2151 EOF
2152 }
2153
2154 pkgconfig_generate libavutil "FFmpeg utility library" "$lavu_version" -lavutil "" ffmpeg
2155 pkgconfig_generate_uninstalled libavutil "FFmpeg utility library" "$lavu_version"
2156
2157 pkgconfig_generate libavcodec "FFmpeg codec library" "$lavc_version" "-lavcodec $extralibs" "$pkg_requires libavutil = $lavu_version" ffmpeg
2158 pkgconfig_generate_uninstalled libavcodec "FFmpeg codec library" "$lavc_version" "$extralibs" "$pkg_requires libavutil = $lavu_version"
2159
2160 pkgconfig_generate libavformat "FFmpeg container format library" "$lavf_version" "-lavformat $extralibs" "$pkg_requires libavcodec = $lavc_version" ffmpeg
2161 pkgconfig_generate_uninstalled libavformat "FFmpeg container format library" "$lavf_version" "$extralibs" "$pkg_requires libavcodec = $lavc_version"
2162
2163 if enabled pp; then
2164   pkgconfig_generate libpostproc "FFmpeg post processing library" "$pp_version" -lpostproc "" postproc
2165   pkgconfig_generate_uninstalled libpostproc "FFmpeg post processing library" "$pp_version"
2166 fi
2167
2168 if enabled swscaler; then
2169   pkgconfig_generate libswscale "FFmpeg image rescaling library" "$sws_version" -lswscale "libavutil = $lavu_version" ffmpeg
2170   pkgconfig_generate_uninstalled libswscale "FFmpeg image rescaling library" "$sws_version" "" "libavutil = $lavu_version"
2171 else
2172   pkgconfig_generate libswscale "FFmpeg image rescaling library" "$sws_version" "" "$pkg_requires libavcodec = $lavc_version" ffmpeg
2173   pkgconfig_generate_uninstalled libswscale "FFmpeg image rescaling library" "$sws_version" "" "$pkg_requires libavcodec = $lavc_version"
2174   apply libswscale.pc sed s/^Libs:.*$/Libs:/
2175   apply libswscale-uninstalled.pc sed s/^Libs:.*$/Libs:/
2176 fi