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-libfaac         enable FAAC support via libfaac [default=no]"
  89   echo "  --enable-libfaad         enable FAAD support via libfaad [default=no]"
  90   echo "  --enable-libfaadbin      build FAAD support with runtime linking [default=no]"
  91   echo "  --enable-libgsm          enable GSM support via libgsm [default=no]"
  92   echo "  --enable-libmp3lame      enable MP3 encoding via libmp3lame [default=no]"
  93   echo "  --enable-libnut          enable NUT (de)muxing via libnut,"
  94   echo "                           native demuxer exists [default=no]"
  95   echo "  --enable-libogg          enable Ogg muxing via libogg [default=no]"
  96   echo "  --enable-libtheora       enable Theora encoding via libtheora [default=no]"
  97   echo "  --enable-libvorbis       enable Vorbis en/decoding via libvorbis,"
  98   echo "                           native implementations exist [default=no]"
  99   echo "  --enable-libx264         enable H.264 encoding via x264 [default=no]"
 100   echo "  --enable-libxvid         enable Xvid encoding via xvidcore,"
 101   echo "                           native MPEG-4/Xvid encoder exists [default=no]"
 102   echo ""
 103   echo "Advanced options (experts only):"
 104   echo "  --source-path=PATH       path to source code [$source_path]"
 105   echo "  --cross-prefix=PREFIX    use PREFIX for compilation tools [$cross_prefix]"
 106   echo "  --cross-compile          assume a cross-compiler is used"
 107   echo "  --target-os=OS           compiler targets OS [$targetos]"
 108   echo "  --cc=CC                  use C compiler CC [$cc]"
 109   echo "  --make=MAKE              use specified make [$make]"
 110   echo "  --extra-cflags=ECFLAGS   add ECFLAGS to CFLAGS [$CFLAGS]"
 111   echo "  --extra-ldflags=ELDFLAGS add ELDFLAGS to LDFLAGS [$LDFLAGS]"
 112   echo "  --extra-libs=ELIBS       add ELIBS [$ELIBS]"
 113   echo "  --build-suffix=SUFFIX    suffix for application specific build []"
 114   echo "  --arch=ARCH              select architecture  [$arch]"
 115   echo "  --cpu=CPU                selects the minimum cpu required (affects"
 116   echo "                           instruction selection, may crash on older CPUs)"
 117   echo "  --enable-powerpc-perf    enable performance report on PPC"
 118   echo "                           (requires enabling PMC)"
 119   echo "  --disable-mmx            disable MMX usage"
 120   echo "  --disable-armv5te        disable armv5te usage"
 121   echo "  --disable-armv6          disable armv6 usage"
 122   echo "  --disable-iwmmxt         disable iwmmxt usage"
 123   echo "  --disable-altivec        disable AltiVec usage"
 124   echo "  --disable-audio-oss      disable OSS audio support [default=no]"
 125   echo "  --disable-audio-beos     disable BeOS audio support [default=no]"
 126   echo "  --disable-v4l            disable video4linux grabbing [default=no]"
 127   echo "  --disable-v4l2           disable video4linux2 grabbing [default=no]"
 128   echo "  --disable-bktr           disable bktr video grabbing [default=no]"
 129   echo "  --disable-dv1394         disable DV1394 grabbing [default=no]"
 130   echo "  --disable-network        disable network support [default=no]"
 131   echo "  --disable-ipv6           disable ipv6 support [default=no]"
 132   echo "  --disable-zlib           disable zlib [default=no]"
 133   echo "  --disable-vhook          disable video hooking support"
 134   echo "  --disable-debug          disable debugging symbols"
 135   echo "  --disable-mpegaudio-hp   faster (but less accurate)"
 136   echo "                           MPEG audio decoding [default=no]"
 137   echo "  --disable-ffmpeg         disable ffmpeg build"
 138   echo "  --disable-ffserver       disable ffserver build"
 139   echo "  --disable-ffplay         disable ffplay build"
 140   echo "  --enable-small           optimize for size instead of speed"
 141   echo "  --enable-memalign-hack   emulate memalign, interferes with memory debuggers"
 142   echo "  --disable-encoder=NAME   disables encoder NAME"
 143   echo "  --enable-encoder=NAME    enables encoder NAME"
 144   echo "  --disable-decoder=NAME   disables decoder NAME"
 145   echo "  --enable-decoder=NAME    enables decoder NAME"
 146   echo "  --disable-encoders       disables all encoders"
 147   echo "  --disable-decoders       disables all decoders"
 148   echo "  --disable-muxer=NAME     disables muxer NAME"
 149   echo "  --enable-muxer=NAME      enables muxer NAME"
 150   echo "  --disable-muxers         disables all muxers"
 151   echo "  --disable-demuxer=NAME   disables demuxer NAME"
 152   echo "  --enable-demuxer=NAME    enables demuxer NAME"
 153   echo "  --disable-demuxers       disables all demuxers"
 154   echo "  --enable-parser=NAME     enables parser NAME"
 155   echo "  --disable-parser=NAME    disables parser NAME"
 156   echo "  --disable-parsers        disables all parsers"
 157   echo "  --enable-bsf=NAME        enables bitstream filter NAME"
 158   echo "  --disable-bsf=NAME       disables bitstream filter NAME"
 159   echo "  --disable-bsfs           disables all bitstream filters"
 160   echo "  --enable-protocol=NAME   enables protocol NAME"
 161   echo "  --disable-protocol=NAME  disables protocol NAME"
 162   echo "  --disable-protocols      disables all protocols"
 163   echo
 164   echo "Developer options (useful when working on FFmpeg itself):"
 165   echo "  --enable-gprof           enable profiling with gprof [$gprof]"
 166   echo "  --disable-opts           disable compiler optimizations"
 167   echo "  --enable-extra-warnings  enable more compiler warnings"
 168   echo "  --disable-strip          disable stripping of executables and shared libraries"
 169   echo ""
 170   echo "NOTE: Object files are built at the place where configure is launched."
 171   exit 1
 172 }
 173
 174 log(){
 175     echo "$@" >>$logfile
 176 }
 177
 178 log_file(){
 179     log BEGIN $1
 180     cat -n $1 >>$logfile
 181     log END $1
 182 }
 183
 184 echolog(){
 185     log "$@"
 186     echo "$@"
 187 }
 188
 189 die(){
 190     echolog "$@"
 191     cat <<EOF
 192 If you think configure made a mistake, make sure you are using the latest
 193 version from SVN.  If the latest version fails, report the problem to the
 194 ffmpeg-devel@mplayerhq.hu mailing list or IRC #ffmpeg on irc.freenode.net.
 195 EOF
 196     if enabled logging; then
 197         cat <<EOF
 198 Include the log file "$logfile" produced by configure as this will help
 199 solving the problem.
 200 EOF
 201     else
 202 cat <<EOF
 203 Rerun configure with logging enabled (do not use --log=no), and include the
 204 log this produces with your report.
 205 EOF
 206     fi
 207     rm -f $TMPC $TMPO $TMPE $TMPS $TMPH
 208     exit 1
 209 }
 210
 211 # "tr '[a-z]' '[A-Z]'" is a workaround for Solaris tr not grokking "tr a-z A-Z"
 212 toupper(){
 213     echo "$@" | tr '[a-z]' '[A-Z]'
 214 }
 215
 216 tolower(){
 217     echo "$@" | tr '[A-Z]' '[a-z]'
 218 }
 219
 220 set_all(){
 221     value=$1
 222     shift
 223     for var in $*; do
 224         eval $var=$value
 225     done
 226 }
 227
 228 pushvar(){
 229     for var in $*; do
 230         eval level=\${${var}_level:=0}
 231         eval ${var}_${level}="\$$var"
 232         eval ${var}_level=$(($level+1))
 233     done
 234 }
 235
 236 popvar(){
 237     for var in $*; do
 238         eval level=\${${var}_level:-0}
 239         test $level = 0 && continue
 240         eval level=$(($level-1))
 241         eval $var="\${${var}_${level}}"
 242         eval ${var}_level=$level
 243         eval unset ${var}_${level}
 244     done
 245 }
 246
 247 enable(){
 248     set_all yes $*
 249 }
 250
 251 disable(){
 252     set_all no $*
 253 }
 254
 255 enabled(){
 256     eval test "x\$$1" = "xyes"
 257 }
 258
 259 disabled(){
 260     eval test "x\$$1" = "xno"
 261 }
 262
 263 enabled_all(){
 264     for opt; do
 265         enabled $opt || return 1
 266     done
 267 }
 268
 269 disabled_all(){
 270     for opt; do
 271         disabled $opt || return 1
 272     done
 273 }
 274
 275 enabled_any(){
 276     for opt; do
 277         enabled $opt && return 0
 278     done
 279 }
 280
 281 disabled_any(){
 282     for opt; do
 283         disabled $opt && return 0
 284     done
 285 }
 286
 287 check_deps(){
 288     for cfg; do
 289         enabled ${cfg}_checking && die "Circular dependency for $cfg."
 290         disabled ${cfg}_checking && continue
 291         enable ${cfg}_checking
 292
 293         eval dep_all="\$${cfg}_deps"
 294         eval dep_any="\$${cfg}_deps_any"
 295
 296         pushvar cfg dep_all dep_any
 297         check_deps $dep_all $dep_any
 298         popvar cfg dep_all dep_any
 299
 300         enabled_all $dep_all || disable $cfg
 301         enabled_any $dep_any || disable $cfg
 302
 303         disable ${cfg}_checking
 304     done
 305 }
 306
 307 print_config(){
 308     pfx=$1
 309     header=$2
 310     makefile=$3
 311     shift 3
 312     for cfg; do
 313         ucname="`toupper $cfg`"
 314         if enabled $cfg; then
 315             echo "#define ${pfx}${ucname} 1" >> $header
 316             echo "#define ENABLE_${ucname} 1" >> $header
 317             echo "${pfx}${ucname}=yes" >> $makefile
 318         else
 319             echo "#define ENABLE_${ucname} 0" >> $header
 320         fi
 321     done
 322 }
 323
 324 flags_saved(){
 325     (: ${SAVE_CFLAGS?}) 2>/dev/null
 326 }
 327
 328 save_flags(){
 329     flags_saved && return
 330     SAVE_CFLAGS="$CFLAGS"
 331     SAVE_LDFLAGS="$LDFLAGS"
 332     SAVE_extralibs="$extralibs"
 333 }
 334
 335 restore_flags(){
 336     flags_saved || return
 337     CFLAGS="$SAVE_CFLAGS"
 338     LDFLAGS="$SAVE_LDFLAGS"
 339     extralibs="$SAVE_extralibs"
 340     unset SAVE_CFLAGS
 341     unset SAVE_LDFLAGS
 342     unset SAVE_extralibs
 343 }
 344
 345 temp_cflags(){
 346     save_flags
 347     CFLAGS="$CFLAGS $*"
 348 }
 349
 350 temp_ldflags(){
 351     save_flags
 352     LDFLAGS="$LDFLAGS $*"
 353 }
 354
 355 temp_extralibs(){
 356     save_flags
 357     extralibs="$extralibs $*"
 358 }
 359
 360 append(){
 361     var=$1
 362     shift
 363     flags_saved && eval "SAVE_$var=\"\$SAVE_$var $*\""
 364     eval "$var=\"\$$var $*\""
 365 }
 366
 367 add_cflags(){
 368     append CFLAGS "$@"
 369 }
 370
 371 add_ldflags(){
 372     append LDFLAGS "$@"
 373 }
 374
 375 add_extralibs(){
 376     append extralibs "$@"
 377 }
 378
 379 check_cmd(){
 380     log "$@"
 381     "$@" >>$logfile 2>&1
 382 }
 383
 384 check_cc(){
 385     log check_cc "$@"
 386     cat >$TMPC
 387     log_file $TMPC
 388     check_cmd $cc $CFLAGS "$@" -c -o $TMPO $TMPC
 389 }
 390
 391 check_cpp(){
 392     log check_cpp "$@"
 393     cat >$TMPC
 394     log_file $TMPC
 395     check_cmd $cc $CFLAGS "$@" -E -o $TMPO $TMPC
 396 }
 397
 398 check_ld(){
 399     log check_ld "$@"
 400     check_cc || return
 401     check_cmd $cc $LDFLAGS "$@" -o $TMPE $TMPO $extralibs
 402 }
 403
 404 check_cflags(){
 405     log check_cflags "$@"
 406     check_cc "$@" <<EOF && add_cflags "$@"
 407 int x;
 408 EOF
 409 }
 410
 411 check_ldflags(){
 412     log check_ldflags "$@"
 413     check_ld "$@" <<EOF && add_ldflags "$@"
 414 int main(){
 415     return 0;
 416 }
 417 EOF
 418 }
 419
 420 check_header(){
 421     log check_header "$@"
 422     header=$1
 423     shift
 424     var=`echo $header | sed 's/[^A-Za-z0-9_]/_/g'`
 425     disable $var
 426     check_cpp "$@" <<EOF && enable $var
 427 #include <$header>
 428 int x;
 429 EOF
 430 }
 431
 432 check_func(){
 433     log check_func "$@"
 434     func=$1
 435     shift
 436     disable $func
 437     check_ld "$@" <<EOF && enable $func
 438 extern int $func();
 439 int main(){
 440     $func();
 441 }
 442 EOF
 443 }
 444
 445 check_func2(){
 446     log check_func2 "$@"
 447     headers=$1
 448     func=$2
 449     shift 2
 450     disable $func
 451     incs=""
 452     for hdr in $headers; do
 453         incs="$incs
 454 #include <$hdr>"
 455     done
 456     check_ld "$@" <<EOF && enable $func
 457 $incs
 458 int main(){
 459     (void) $func;
 460     return 0;
 461 }
 462 EOF
 463 }
 464
 465 check_lib(){
 466     log check_lib "$@"
 467     header="$1"
 468     func="$2"
 469     shift 2
 470     temp_extralibs "$@"
 471     check_header $header && check_func $func && add_extralibs "$@"
 472     err=$?
 473     restore_flags
 474     return $err
 475 }
 476
 477 check_lib2(){
 478     log check_lib2 "$@"
 479     headers="$1"
 480     func="$2"
 481     shift 2
 482     temp_extralibs "$@"
 483     check_func2 "$headers" $func && add_extralibs "$@"
 484     err=$?
 485     restore_flags
 486     return $err
 487 }
 488
 489 check_exec(){
 490     check_ld "$@" && { enabled cross_compile || $TMPE >>$logfile 2>&1; }
 491 }
 492
 493 check_exec_crash(){
 494     code=`cat`
 495
 496     # exit() is not async signal safe.  _Exit (C99) and _exit (POSIX)
 497     # are safe but may not be available everywhere.  Thus we use
 498     # raise(SIGTERM) instead.  The check is run in a subshell so we
 499     # can redirect the "Terminated" message from the shell.  SIGBUS
 500     # is not defined by standard C so it is used conditionally.
 501
 502     (check_exec "$@") >>$logfile 2>&1 <<EOF
 503 #include <signal.h>
 504 static void sighandler(int sig){
 505     raise(SIGTERM);
 506 }
 507 int main(){
 508     signal(SIGILL, sighandler);
 509     signal(SIGFPE, sighandler);
 510     signal(SIGSEGV, sighandler);
 511 #ifdef SIGBUS
 512     signal(SIGBUS, sighandler);
 513 #endif
 514     { $code }
 515 }
 516 EOF
 517 }
 518
 519 require(){
 520     name="$1"
 521     header="$2"
 522     func="$3"
 523     shift 3
 524     check_lib $header $func "$@" || die "ERROR: $name not found"
 525 }
 526
 527 require2(){
 528     name="$1"
 529     headers="$2"
 530     func="$3"
 531     shift 3
 532     check_lib2 "$headers" $func "$@" || die "ERROR: $name not found"
 533 }
 534
 535 check_foo_config(){
 536     cfg=$1
 537     pkg=$2
 538     header=$3
 539     func=$4
 540     shift 4
 541     disable $cfg
 542     check_cmd ${pkg}-config --version
 543     err=$?
 544     if test "$err" = 0; then
 545         temp_cflags `${pkg}-config --cflags`
 546         temp_extralibs `${pkg}-config --libs`
 547         check_lib "$@" $header $func && enable $cfg
 548     fi
 549     return $err
 550 }
 551
 552 apply(){
 553     file=$1
 554     shift
 555     "$@" < "$file" > "$file.tmp" && mv "$file.tmp" "$file" || rm "$file.tmp"
 556 }
 557
 558 CONFIG_LIST='
 559     encoders
 560     decoders
 561     parsers
 562     bsfs
 563     muxers
 564     demuxers
 565     audio_beos
 566     audio_oss
 567     avisynth
 568     beos_netserver
 569     bktr
 570     dc1394
 571     dv1394
 572     ffmpeg
 573     ffplay
 574     ffserver
 575     gpl
 576     gprof
 577     ipv6
 578     liba52
 579     liba52bin
 580     libamr
 581     libamr_nb
 582     libamr_wb
 583     libfaac
 584     libfaad
 585     libfaadbin
 586     libgsm
 587     libmp3lame
 588     libnut
 589     libogg
 590     libtheora
 591     libvorbis
 592     libx264
 593     libxvid
 594     memalign_hack
 595     mpegaudio_hp
 596     network
 597     powerpc_perf
 598     pp
 599     protocols
 600     swscaler
 601     vhook
 602     v4l
 603     v4l2
 604     x11grab
 605     zlib
 606 '
 607
 608 THREADS_LIST='
 609     beosthreads
 610     os2threads
 611     pthreads
 612     w32threads
 613 '
 614
 615 ARCH_LIST='
 616     alpha
 617     armv4l
 618     bfin
 619     ia64
 620     m68k
 621     mips
 622     parisc
 623     powerpc
 624     s390
 625     sh4
 626     sparc
 627     sparc64
 628     x86
 629     x86_32
 630     x86_64
 631 '
 632
 633 ARCH_EXT_LIST='
 634     altivec
 635     armv5te
 636     armv6
 637     iwmmxt
 638     mmi
 639     mmx
 640 '
 641
 642 HAVE_LIST="
 643     $ARCH_EXT_LIST
 644     $THREADS_LIST
 645     altivec_h
 646     arpa_inet_h
 647     byteswap_h
 648     cmov
 649     dcbzl
 650     dev_bktr_ioctl_bt848_h
 651     dev_bktr_ioctl_meteor_h
 652     dev_ic_bt8xx_h
 653     dev_video_meteor_ioctl_meteor_h
 654     dev_video_bktr_ioctl_bt848_h
 655     dlfcn_h
 656     dlopen
 657     ebp_available
 658     ebx_available
 659     fast_64bit
 660     fast_cmov
 661     fast_unaligned
 662     freetype2
 663     imlib2
 664     inet_aton
 665     localtime_r
 666     lrintf
 667     machine_ioctl_bt848_h
 668     machine_ioctl_meteor_h
 669     malloc_h
 670     memalign
 671     mlib
 672     os2
 673     sdl
 674     sdl_video_size
 675     soundcard_h
 676     ssse3
 677     sys_poll_h
 678     sys_soundcard_h
 679     threads
 680 "
 681
 682 CMDLINE_SELECT="
 683     $ARCH_EXT_LIST
 684     $CONFIG_LIST
 685     $THREADS_LIST
 686     debug
 687     extra_warnings
 688     shared
 689     static
 690 "
 691
 692 # code dependency declarations
 693
 694 # decoders / encoders
 695 dxa_decoder_deps="zlib"
 696 flashsv_decoder_deps="zlib"
 697 flashsv_encoder_deps="zlib"
 698 flv_decoder_deps="h263_decoder"
 699 h263_decoder_deps="h263_parser mpeg4video_parser"
 700 h263i_decoder_deps="h263_decoder"
 701 h264_decoder_deps="h264_parser"
 702 mpeg_xvmc_decoder_deps="xvmc"
 703 mpeg4_decoder_deps="h263_decoder"
 704 msmpeg4v1_decoder_deps="h263_decoder"
 705 msmpeg4v2_decoder_deps="h263_decoder"
 706 msmpeg4v3_decoder_deps="h263_decoder"
 707 png_decoder_deps="zlib"
 708 png_encoder_deps="zlib"
 709 vc1_decoder_deps="h263_decoder"
 710 wmv1_decoder_deps="h263_decoder"
 711 wmv2_decoder_deps="h263_decoder"
 712 wmv3_decoder_deps="h263_decoder"
 713 zmbv_decoder_deps="zlib"
 714 zmbv_encoder_deps="zlib"
 715
 716 # external libraries
 717 mpeg4aac_decoder_deps="libfaad"
 718 liba52_decoder_deps="liba52"
 719 libamr_nb_decoder_deps="libamr_nb"
 720 libamr_nb_encoder_deps="libamr_nb"
 721 libamr_wb_decoder_deps="libamr_wb"
 722 libamr_wb_encoder_deps="libamr_wb"
 723 libfaac_encoder_deps="libfaac"
 724 libfaad_decoder_deps="libfaad"
 725 libgsm_decoder_deps="libgsm"
 726 libgsm_encoder_deps="libgsm"
 727 libgsm_ms_decoder_deps="libgsm"
 728 libgsm_ms_encoder_deps="libgsm"
 729 libmp3lame_encoder_deps="libmp3lame"
 730 libtheora_encoder_deps="libtheora"
 731 libvorbis_decoder_deps="libvorbis"
 732 libvorbis_encoder_deps="libvorbis"
 733 libx264_encoder_deps="libx264"
 734 libxvid_encoder_deps="libxvid"
 735
 736 # demuxers / muxers
 737 ac3_demuxer_deps="ac3_parser"
 738 audio_demuxer_deps_any="audio_oss audio_beos"
 739 audio_muxer_deps_any="audio_oss audio_beos"
 740 dc1394_demuxer_deps="dc1394"
 741 dv1394_demuxer_deps="dv1394"
 742 gxf_muxer_deps="gpl"
 743 libnut_demuxer_deps="libnut"
 744 libnut_muxer_deps="libnut"
 745 mp3_demuxer_deps="mpegaudio_parser"
 746 ogg_muxer_deps="libogg"
 747 redir_demuxer_deps="network"
 748 rtp_muxer_deps="network mpegts_demuxer"
 749 rtsp_demuxer_deps="rtp_protocol rtp_muxer"
 750 sdp_demuxer_deps="rtsp_demuxer"
 751 v4l2_demuxer_deps="v4l2"
 752 video_grab_bktr_demuxer_deps="bktr"
 753 video_grab_v4l_demuxer_deps="v4l"
 754 x11_grab_device_demuxer_deps="x11grab"
 755
 756 # protocols
 757 http_protocol_deps="network"
 758 rtp_protocol_deps="udp_protocol"
 759 tcp_protocol_deps="network"
 760 udp_protocol_deps="network"
 761
 762 # programs
 763 ffplay_deps="sdl"
 764 ffserver_deps="muxers rtp_protocol"
 765
 766
 767 # set temporary file name
 768 if test ! -z "$TMPDIR" ; then
 769     TMPDIR1="${TMPDIR}"
 770 elif test ! -z "$TEMPDIR" ; then
 771     TMPDIR1="${TEMPDIR}"
 772 else
 773     TMPDIR1="/tmp"
 774 fi
 775
 776 TMPC="${TMPDIR1}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}.c"
 777 TMPO="${TMPDIR1}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}.o"
 778 TMPE="${TMPDIR1}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}"
 779 TMPS="${TMPDIR1}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}.S"
 780 TMPH="${TMPDIR1}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}.h"
 781
 782 # default parameters
 783
 784 logging="yes"
 785 logfile="config.err"
 786
 787 # installation paths
 788 PREFIX="/usr/local"
 789 libdir='${PREFIX}/lib'
 790 shlibdir="$libdir"
 791 incdir='${PREFIX}/include/ffmpeg'
 792 mandir='${PREFIX}/man'
 793 bindir='${PREFIX}/bin'
 794
 795 # toolchain
 796 cross_prefix=""
 797 cross_compile="no"
 798 cc="gcc"
 799 ar="ar"
 800 ranlib="ranlib"
 801 make="make"
 802 strip="strip"
 803 asmalign_pot="unknown"
 804
 805 # machine
 806 arch=`uname -m`
 807 cpu="generic"
 808 powerpc_perf="no"
 809 mmx="default"
 810 cmov="no"
 811 fast_cmov="no"
 812 fast_unaligned="no"
 813 armv5te="default"
 814 armv6="default"
 815 iwmmxt="default"
 816 altivec="default"
 817 dcbzl="no"
 818 mmi="default"
 819 bigendian="no"
 820
 821 # OS
 822 targetos=$(tolower $(uname -s))
 823 beos_netserver="no"
 824 os2="no"
 825
 826 # non-library system interfaces
 827 audio_beos="default"
 828 audio_oss="yes"
 829 bktr="yes"
 830 dv1394="yes"
 831 v4l2="yes"
 832 v4l="yes"
 833
 834 # libraries
 835 avisynth="no"
 836 dc1394="no"
 837 dlfcn_h="no"
 838 dlopen="no"
 839 liba52="no"
 840 liba52bin="no"
 841 libamr_nb="no"
 842 libamr_wb="no"
 843 libfaac="no"
 844 libfaad2="no"
 845 libfaad="no"
 846 libfaadbin="no"
 847 libgsm="no"
 848 libmp3lame="no"
 849 libnut="no"
 850 libogg="no"
 851 libtheora="no"
 852 libvorbis="no"
 853 libx264="no"
 854 libxvid="no"
 855 mlib="no"
 856 x11grab="no"
 857 zlib="yes"
 858
 859 # configurable options
 860 debug="yes"
 861 dostrip="yes"
 862 extra_warnings="no"
 863 ffmpeg="yes"
 864 ffplay="yes"
 865 ffserver="yes"
 866 gpl="no"
 867 gprof="no"
 868 ipv6="yes"
 869 shared="no"
 870 static="yes"
 871 memalign_hack="no"
 872 mpegaudio_hp="yes"
 873 network="yes"
 874 optimize="yes"
 875 pp="no"
 876 protocols="yes"
 877 swscaler="no"
 878 vhook="default"
 879
 880 # threading
 881 beosthreads="no"
 882 os2threads="no"
 883 pthreads="no"
 884 w32threads="no"
 885 thread_type="no"
 886
 887 # build settings
 888 SHFLAGS='-shared -Wl,-soname,$@'
 889 VHOOKSHFLAGS='$(SHFLAGS)'
 890 LIBOBJFLAGS=""
 891 FFLDFLAGS=-Wl,--warn-common
 892 LDLATEFLAGS='-Wl,-rpath-link,\$(BUILD_ROOT)/libavcodec -Wl,-rpath-link,\$(BUILD_ROOT)/libavformat -Wl,-rpath-link,\$(BUILD_ROOT)/libavutil'
 893 FFSERVERLDFLAGS=-Wl,-E
 894 LDCONFIG="ldconfig"
 895 LIBPREF="lib"
 896 LIBSUF=".a"
 897 LIB='$(LIBPREF)$(NAME)$(LIBSUF)'
 898 SLIBPREF="lib"
 899 SLIBSUF=".so"
 900 SLIBNAME='$(SLIBPREF)$(NAME)$(SLIBSUF)'
 901 SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
 902 SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
 903 EXESUF=""
 904 BUILDSUF=""
 905 LIB_INSTALL_EXTRA_CMD='$(RANLIB) "$(libdir)/$(LIB)"'
 906
 907 # find source path
 908 source_path="`dirname \"$0\"`"
 909 source_path_used="yes"
 910 if test -z "$source_path" -o "$source_path" = "." ; then
 911     source_path="`pwd`"
 912     source_path_used="no"
 913 else
 914     source_path="`cd \"$source_path\"; pwd`"
 915     echo "$source_path" | grep -q '[[:blank:]]' &&
 916       die "Out of tree builds are impossible with whitespace in source path."
 917 fi
 918
 919 if test x"$1" = x"-h" -o x"$1" = x"--help" ; then
 920     show_help
 921 fi
 922
 923 FFMPEG_CONFIGURATION="$@"
 924
 925 ENCODER_LIST=`sed -n 's/^[^#]*ENC.*(.*, *\(.*\)).*/\1_encoder/p' "$source_path/libavcodec/allcodecs.c"`
 926 DECODER_LIST=`sed -n 's/^[^#]*DEC.*(.*, *\(.*\)).*/\1_decoder/p' "$source_path/libavcodec/allcodecs.c"`
 927 PARSER_LIST=`sed -n 's/^[^#]*PARSER.*(.*, *\(.*\)).*/\1_parser/p' "$source_path/libavcodec/allcodecs.c"`
 928 BSF_LIST=`sed -n 's/^[^#]*BSF.*(.*, *\(.*\)).*/\1_bsf/p' "$source_path/libavcodec/allcodecs.c"`
 929 MUXER_LIST=`sed -n 's/^[^#]*_MUX.*(.*, *\(.*\)).*/\1_muxer/p' "$source_path/libavformat/allformats.c"`
 930 DEMUXER_LIST=`sed -n 's/^[^#]*DEMUX.*(.*, *\(.*\)).*/\1_demuxer/p' "$source_path/libavformat/allformats.c"`
 931 PROTOCOL_LIST=`sed -n 's/^[^#]*PROTOCOL.*(.*, *\(.*\)).*/\1_protocol/p' "$source_path/libavformat/allformats.c"`
 932
 933 enable $ENCODER_LIST $DECODER_LIST $PARSER_LIST $MUXER_LIST $DEMUXER_LIST $PROTOCOL_LIST $BSF_LIST
 934
 935 die_unknown(){
 936     echo "Unknown option \"$1\"."
 937     echo "See $0 --help for available options."
 938     exit 1
 939 }
 940
 941 for opt do
 942   optval="${opt#*=}"
 943   case "$opt" in
 944   --log)
 945   ;;
 946   --log=*) logging="$optval"
 947   ;;
 948   --prefix=*) PREFIX="$optval"
 949   ;;
 950   --libdir=*) libdir="$optval"
 951   ;;
 952   --shlibdir=*) shlibdir="$optval"
 953   ;;
 954   --incdir=*) incdir="$optval"
 955   ;;
 956   --mandir=*) mandir="$optval"
 957   ;;
 958   --source-path=*) source_path="$optval"
 959   ;;
 960   --cross-prefix=*) cross_prefix="$optval"
 961   ;;
 962   --cross-compile) cross_compile="yes"
 963   ;;
 964   --target-os=*) targetos="$optval"
 965   ;;
 966   --cc=*) cc="$optval"
 967   ;;
 968   --make=*) make="$optval"
 969   ;;
 970   --extra-cflags=*) add_cflags "$optval"
 971   ;;
 972   --extra-ldflags=*) add_ldflags "$optval"
 973   ;;
 974   --extra-libs=*) add_extralibs "$optval"
 975   ;;
 976   --build-suffix=*) BUILDSUF="$optval"
 977   ;;
 978   --arch=*) arch="$optval"
 979   ;;
 980   --cpu=*) cpu="$optval"
 981   ;;
 982   --disable-opts) optimize="no"
 983   ;;
 984   --enable-small) optimize="small"
 985   ;;
 986   --enable-sunmlib) mlib="yes"
 987   ;;
 988   --disable-strip) dostrip="no"
 989   ;;
 990   --disable-encoders) disable $ENCODER_LIST
 991   ;;
 992   --disable-decoders) disable $DECODER_LIST
 993   ;;
 994   --disable-muxers) disable $MUXER_LIST
 995   ;;
 996   --disable-demuxers) disable $DEMUXER_LIST
 997   ;;
 998   --disable-parsers) disable $PARSER_LIST
 999   ;;
1000   --disable-bsfs) disable $BSF_LIST
1001   ;;
1002   --disable-protocols) disable $PROTOCOL_LIST
1003   ;;
1004   --enable-*=*|--disable-*=*)
1005   eval `echo "$opt" | sed 's/=/-/;s/--/action=/;s/-/ thing=/;s/-/ name=/'`
1006   case "$thing" in
1007       encoder|decoder|muxer|demuxer|parser|bsf|protocol) $action ${optval}_${thing} ;;
1008       *) die_unknown "$opt" ;;
1009   esac
1010   ;;
1011   --enable-?*|--disable-?*)
1012   eval `echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g'`
1013   echo "$CMDLINE_SELECT" | grep -q "^ *$option\$" || die_unknown $opt
1014   $action $option
1015   ;;
1016   --help) show_help
1017   ;;
1018   *)
1019   die_unknown $opt
1020   ;;
1021   esac
1022 done
1023
1024 case "$arch" in
1025   i386|i486|i586|i686|i86pc|BePC)
1026     arch="x86_32"
1027     enable fast_unaligned
1028   ;;
1029   x86_64|amd64)
1030     arch="x86_32"
1031     enable fast_unaligned
1032     canon_arch="`$cc -dumpmachine | sed -e 's,\([^-]*\)-.*,\1,'`"
1033     if [ x"$canon_arch" = x"x86_64" -o x"$canon_arch" = x"amd64" ]; then
1034       if [ -z "`echo $CFLAGS | grep -- -m32`"  ]; then
1035         arch="x86_64"
1036         enable fast_64bit
1037       fi
1038     fi
1039   ;;
1040   # armv4l is a subset of armv[567]*l
1041   arm|armv[4567]*l)
1042     arch="armv4l"
1043   ;;
1044   alpha)
1045     arch="alpha"
1046     enable fast_64bit
1047   ;;
1048   "Power Macintosh"|ppc|powerpc)
1049     arch="powerpc"
1050   ;;
1051   ppc64)
1052     arch="powerpc"
1053     enable fast_64bit
1054   ;;
1055   mips|mipsel|IP*)
1056     arch="mips"
1057   ;;
1058   sun4u|sparc64)
1059     arch="sparc64"
1060     enable fast_64bit
1061   ;;
1062   sparc)
1063     arch="sparc"
1064   ;;
1065   sh4)
1066     arch="sh4"
1067   ;;
1068   parisc)
1069     arch="parisc"
1070   ;;
1071   parisc64)
1072     arch="parisc"
1073     enable fast_64bit
1074   ;;
1075   s390|s390x)
1076     arch="s390"
1077   ;;
1078   m68k)
1079     arch="m68k"
1080   ;;
1081   ia64)
1082     arch="ia64"
1083     enable fast_64bit
1084   ;;
1085   bfin)
1086     arch="bfin"
1087   ;;
1088   *)
1089     arch="unknown"
1090   ;;
1091 esac
1092
1093 # OS specific
1094 osextralibs="-lm"
1095 case $targetos in
1096   beos|haiku|zeta)
1097     PREFIX="$HOME/config"
1098     # helps building libavcodec
1099     add_cflags "-DPIC -fomit-frame-pointer"
1100     # 3 gcc releases known for BeOS, each with ugly bugs
1101     gcc_version="`$cc -v 2>&1 | grep version | cut -d ' ' -f3-`"
1102     case "$gcc_version" in
1103       2.9-beos-991026*|2.9-beos-000224*) echo "R5/GG gcc"
1104         mmx="no"
1105         ;;
1106       *20010315*) echo "BeBits gcc"
1107         add_cflags "-fno-expensive-optimizations"
1108         ;;
1109     esac
1110     LDCONFIG="echo ignoring ldconfig"
1111     SHFLAGS=-nostart
1112     # disable Linux things
1113     dv1394="no"
1114     # enable BeOS things
1115     disabled audio_beos || enable_audio_beos
1116     # no need for libm, but the inet stuff
1117     # Check for BONE
1118     # XXX: actually should check for NOT net_server
1119     if (echo $BEINCLUDES|grep 'headers/be/bone' >/dev/null); then
1120         osextralibs="-lbind -lsocket"
1121     else
1122         beos_netserver="yes"
1123         osextralibs="-lnet"
1124     fi ;;
1125   sunos)
1126     dv1394="no"
1127     FFLDFLAGS=""
1128     FFSERVERLDFLAGS=""
1129     SHFLAGS="-shared -Wl,-h,\$@"
1130     add_extralibs "-lsocket -lnsl"
1131     ;;
1132   netbsd)
1133     dv1394="no"
1134     add_extralibs "-lossaudio"
1135     ;;
1136   openbsd)
1137     dv1394="no"
1138     need_memalign="no"
1139     LIBOBJFLAGS="\$(PIC)"
1140     LDCONFIG="ldconfig -m \$(shlibdir)"
1141     SHFLAGS='-shared'
1142     SLIBNAME='$(SLIBPREF)$(NAME)$(SLIBSUF).$(LIBVERSION)'
1143     SLIBNAME_WITH_VERSION='$(SLIBNAME)'
1144     SLIBNAME_WITH_MAJOR='$(SLIBNAME)'
1145     add_extralibs "-lossaudio"
1146     ;;
1147   freebsd)
1148     dv1394="no"
1149     need_memalign="no"
1150     add_cflags "-pthread"
1151     ;;
1152   gnu/kfreebsd)
1153     dv1394="no"
1154     add_cflags "-pthread"
1155     ;;
1156   bsd/os)
1157     dv1394="no"
1158     osextralibs="-lpoll -lgnugetopt -lm"
1159     strip="strip -d"
1160     ;;
1161   darwin)
1162     dv1394="no"
1163     need_memalign="no"
1164     SHFLAGS="-dynamiclib -Wl,-single_module -Wl,-install_name,\$(shlibdir)/\$(SLIBNAME),-current_version,\$(SPPVERSION),-compatibility_version,\$(SPPVERSION) -Wl,-read_only_relocs,suppress"
1165     VHOOKSHFLAGS='-dynamiclib -Wl,-single_module -flat_namespace -undefined suppress -Wl,-install_name,$(shlibdir)/vhook/$@'
1166     osextralibs=""
1167     strip="strip -x"
1168     FFLDFLAGS="-Wl,-dynamic,-search_paths_first"
1169     SLIBSUF=".dylib"
1170     SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME).$(LIBVERSION)$(SLIBSUF)'
1171     SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(NAME).$(LIBMAJOR)$(SLIBSUF)'
1172     FFSERVERLDFLAGS=-Wl,-bind_at_load
1173     ;;
1174   mingw32*)
1175     targetos=mingw32
1176     shlibdir="$bindir"
1177     dv1394="no"
1178     VHOOKSHFLAGS='-shared -L$(BUILD_ROOT)/libavformat -L$(BUILD_ROOT)/libavcodec -L$(BUILD_ROOT)/libswscale -L$(BUILD_ROOT)/libavutil'
1179     VHOOKLIBS='-lavformat$(BUILDSUF) -lavcodec$(BUILDSUF) -lswscale$(BUILDSUF) -lavutil$(BUILDSUF) $(EXTRALIBS)'
1180     ffserver="no"
1181     network="no"
1182     SLIBPREF=""
1183     SLIBSUF=".dll"
1184     EXESUF=".exe"
1185     SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
1186     SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(NAME)-$(LIBMAJOR)$(SLIBSUF)'
1187     SLIB_EXTRA_CMD="-lib /machine:i386 /def:\$(@:${SLIBSUF}=.def)"
1188     SLIB_INSTALL_EXTRA_CMD="-install -m 644 \$(SLIBNAME_WITH_MAJOR:\$(SLIBSUF)=.lib) \"\$(shlibdir)/\$(SLIBNAME_WITH_MAJOR:\$(SLIBSUF)=.lib)\""
1189     SHFLAGS="-shared -Wl,--output-def,\$(@:${SLIBSUF}=.def),--out-implib,lib\$(SLIBNAME:\$(SLIBSUF)=.dll.a) -Wl,--enable-runtime-pseudo-reloc -Wl,--enable-auto-image-base"
1190     enabled network && add_extralibs -lws2_32
1191     ;;
1192   cygwin*)
1193     targetos=cygwin
1194     shlibdir="$bindir"
1195     dv1394="no"
1196     VHOOKSHFLAGS='-shared -L$(BUILD_ROOT)/libavformat -L$(BUILD_ROOT)/libavcodec -L$(BUILD_ROOT)/libswscale -L$(BUILD_ROOT)/libavutil'
1197     VHOOKLIBS='-lavformat$(BUILDSUF) -lavcodec$(BUILDSUF) -lswscale$(BUILDSUF) -lavutil$(BUILDSUF) $(EXTRALIBS)'
1198     osextralibs=""
1199     EXESUF=".exe"
1200     SLIBPREF="cyg"
1201     SLIBSUF=".dll"
1202     SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
1203     SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(NAME)-$(LIBMAJOR)$(SLIBSUF)'
1204     SHFLAGS='-shared -Wl,--out-implib=lib$(NAME).dll.a -Wl,--enable-auto-image-base'
1205     ;;
1206   linux)
1207     LDLATEFLAGS="-Wl,--as-needed $LDLATEFLAGS"
1208     ;;
1209   irix*)
1210     targetos=irix
1211     ranlib="echo ignoring ranlib"
1212     ;;
1213   os/2)
1214     TMPE=$TMPE".exe"
1215     ar="emxomfar -p128"
1216     ranlib="echo ignoring ranlib"
1217     strip="echo ignoring strip"
1218     add_cflags "-Zomf"
1219     FFLDFLAGS="-Zomf -Zstack 16384 -s"
1220     SHFLAGS="-Zdll -Zomf"
1221     FFSERVERLDFLAGS=""
1222     LIBPREF=""
1223     LIBSUF=".lib"
1224     SLIBPREF=""
1225     SLIBSUF=".dll"
1226     EXESUF=".exe"
1227     osextralibs=""
1228     pkg_requires=""
1229     dv1394="no"
1230     ffserver="no"
1231     vhook="no"
1232     os2="yes"
1233     ;;
1234   *)
1235     targetos="${targetos}-UNKNOWN"
1236     ;;
1237 esac
1238
1239 add_extralibs $osextralibs
1240
1241 if ! disabled logging ; then
1242     enabled logging || logfile="$logging"
1243     echo "# $0 $@" >$logfile
1244     set >>$logfile
1245 else
1246     logfile=/dev/null
1247 fi
1248
1249 # Combine FFLDFLAGS and the LDFLAGS environment variable.
1250 LDFLAGS="$FFLDFLAGS $LDFLAGS"
1251
1252 test -n "$cross_prefix" && cross_compile=yes
1253 cc="${cross_prefix}${cc}"
1254 ar="${cross_prefix}${ar}"
1255 ranlib="${cross_prefix}${ranlib}"
1256 strip="${cross_prefix}${strip}"
1257
1258 # we need to build at least one lib type
1259 if disabled_all static shared; then
1260     cat <<EOF
1261 At least one library type must be built.
1262 Specify --enable-static to build the static libraries or --enable-shared to
1263 build the shared libraries as well. To only build the shared libraries specify
1264 --disable-static in addition to --enable-shared.
1265 EOF
1266     exit 1;
1267 fi
1268
1269 if disabled libogg; then
1270     enabled libtheora && die "libogg must be enabled to enable libtheora."
1271     enabled libvorbis && die "libogg must be enabled to enable libvorbis."
1272 fi
1273
1274 if enabled_any libfaad libfaadbin ; then
1275     if check_header faad.h; then
1276         check_cc << EOF
1277 #include <faad.h>
1278 #ifndef FAAD2_VERSION
1279 ok faad1
1280 #endif
1281 int main( void ) { return 0; }
1282 EOF
1283         test $? = 0 && enable libfaad2
1284     else
1285         die "FAAD test failed."
1286     fi
1287 fi
1288
1289
1290 if disabled gpl ; then
1291     die_gpl_disabled(){
1292         name=$1
1293         shift
1294         enabled_any $@ && die "$name is under GPL and --enable-gpl is not specified."
1295     }
1296     die_gpl_disabled "The Postprocessing code" pp
1297     die_gpl_disabled "liba52"                  liba52
1298     die_gpl_disabled "libx264"                 libx264
1299     die_gpl_disabled "libxvidcore"             libxvid
1300     die_gpl_disabled "FAAD2"                   libfaad2
1301     die_gpl_disabled "The X11 grabber"         x11grab
1302     die_gpl_disabled "The software scaler"     swscaler
1303 fi
1304
1305 # compute MMX state
1306 if test $mmx = "default"; then
1307     if test $arch = "x86_32" -o $arch = "x86_64"; then
1308         mmx="yes"
1309     else
1310         mmx="no"
1311     fi
1312 fi
1313
1314 test -z "$need_memalign" && need_memalign="$mmx"
1315
1316 #Darwin CC versions
1317 needmdynamicnopic="no"
1318 if test $targetos = darwin; then
1319     if test -n "`$cc -v 2>&1 | grep xlc`"; then
1320         add_cflags "-qpdf2 -qlanglvl=extc99 -qmaxmem=-1 -qarch=auto -qtune=auto"
1321     else
1322         add_cflags "-no-cpp-precomp -pipe"
1323         check_cflags "-force_cpusubtype_ALL"
1324         check_cflags "-Wno-sign-compare"
1325         disabled shared && needmdynamicnopic="yes"
1326     fi
1327 fi
1328 enabled needmdynamicnopic && add_cflags -mdynamic-no-pic
1329
1330 disabled optimize || add_cflags -fomit-frame-pointer
1331
1332 # Can only do AltiVec on PowerPC
1333 if test $altivec = "default"; then
1334     if test $arch = "powerpc"; then
1335         altivec="yes"
1336     else
1337         altivec="no"
1338     fi
1339 fi
1340
1341 # Add processor-specific flags
1342 POWERPCMODE="32bits"
1343 if test $cpu != "generic"; then
1344     warn_altivec(){
1345         $1 altivec && echo "WARNING: Tuning for $2 but AltiVec $1.";
1346     }
1347     case $cpu in
1348         601|ppc601|PowerPC601)
1349             add_cflags "-mcpu=601"
1350             warn_altivec enabled PPC601
1351         ;;
1352         603*|ppc603*|PowerPC603*)
1353             add_cflags "-mcpu=603"
1354             warn_altivec enabled PPC603
1355         ;;
1356         604*|ppc604*|PowerPC604*)
1357             add_cflags "-mcpu=604"
1358             warn_altivec enabled PPC604
1359         ;;
1360         G3|g3|75*|ppc75*|PowerPC75*)
1361             add_cflags "-mcpu=750 -mpowerpc-gfxopt"
1362             warn_altivec enabled PPC75x
1363         ;;
1364         G4|g4|745*|ppc745*|PowerPC745*)
1365             add_cflags "-mcpu=7450 -mpowerpc-gfxopt"
1366             warn_altivec disabled PPC745x
1367         ;;
1368         74*|ppc74*|PowerPC74*)
1369             add_cflags "-mcpu=7400 -mpowerpc-gfxopt"
1370             warn_altivec disabled PPC74xx
1371         ;;
1372         G5|g5|970|ppc970|PowerPC970|power4*|Power4*)
1373             add_cflags "-mcpu=970 -mpowerpc-gfxopt -mpowerpc64"
1374             warn_altivec disabled PPC970
1375             POWERPCMODE="64bits"
1376         ;;
1377         Cell|CELL|cell)
1378             add_cflags "-mcpu=cell"
1379             warn_altivec disabled Cell
1380             POWERPCMODE="64bits"
1381         ;;
1382         # targets that do NOT support conditional mov (cmov)
1383         i[345]86|pentium|pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
1384             add_cflags "-march=$cpu"
1385             cmov="no"
1386         ;;
1387         # targets that do support conditional mov (cmov)
1388         i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64|k8|opteron|athlon-fx|core2)
1389             add_cflags "-march=$cpu"
1390             cmov="yes"
1391             fast_cmov="yes"
1392         ;;
1393         # targets that do support conditional mov but on which it's slow
1394         pentium4|prescott|nocona)
1395             add_cflags "-march=$cpu"
1396             cmov="yes"
1397             fast_cmov="no"
1398         ;;
1399         sparc64)
1400             add_cflags "-mcpu=v9"
1401         ;;
1402         bf*) #bf531 bf532 bf533 bf561 bf5xx all get this config
1403             add_cflags "-mfdpic"
1404             add_ldflags "-mfdpic"
1405         ;;
1406         *)
1407         echo "WARNING: Unknown CPU \"$cpu\", ignored."
1408         ;;
1409     esac
1410 fi
1411
1412 gnu_make(){
1413     $1 --version 2>&1 | grep -q GNU
1414 }
1415
1416 if ! gnu_make $make; then
1417     gnu_make gmake && make=gmake || die "GNU make not found."
1418 fi
1419
1420 # make sure we can execute files in $TMPDIR
1421 cat >$TMPE 2>>$logfile <<EOF
1422 #! /bin/sh
1423 EOF
1424 chmod +x $TMPE >>$logfile 2>&1
1425 if ! $TMPE >>$logfile 2>&1; then
1426     cat <<EOF
1427 Unable to create and execute files in $TMPDIR1.  Set the TMPDIR environment
1428 variable to another directory and make sure that $TMPDIR1 is not mounted
1429 noexec.
1430 EOF
1431     die "Sanity test failed."
1432 fi
1433 rm $TMPE
1434
1435 # compiler sanity check
1436 check_exec <<EOF
1437 int main(){
1438     return 0;
1439 }
1440 EOF
1441 if test "$?" != 0; then
1442     echo "$cc is unable to create an executable file."
1443     if test -z "$cross_prefix" && disabled cross_compile ; then
1444         echo "If $cc is a cross-compiler, use the --cross-compile option."
1445         echo "Only do this if you know what cross compiling means."
1446     fi
1447     die "C compiler test failed."
1448 fi
1449
1450 if test $arch = "x86_32" -o $arch = "x86_64"; then
1451     # check whether EBP is available on x86
1452     # As 'i' is stored on the stack, this program will crash
1453     # if the base pointer is used to access it because the
1454     # base pointer is cleared in the inline assembly code.
1455     check_exec_crash <<EOF && enable ebp_available
1456     volatile int i=0;
1457     asm volatile (
1458         "xorl %%ebp, %%ebp"
1459     ::: "%ebp");
1460     return i;
1461 EOF
1462
1463     # check wether EBX is available on x86
1464     check_cc <<EOF && enable ebx_available
1465 int main(){
1466     asm volatile ("":::"%ebx");
1467 }
1468 EOF
1469
1470     # check whether binutils is new enough to compile SSSE3
1471     check_cc <<EOF && enable ssse3
1472 int main(){
1473     asm volatile ("pabsw %xmm0, %xmm0");
1474 }
1475 EOF
1476 fi
1477
1478 # check for assembler specific support
1479
1480 if test $arch = "powerpc"; then
1481 check_cc <<EOF && dcbzl=yes
1482 int main(void) {
1483     register long zero = 0;
1484     char data[1024];
1485     asm volatile("dcbzl %0, %1" : : "b" (data), "r" (zero));
1486 return 0;
1487 }
1488 EOF
1489 fi
1490
1491 # check for SIMD availability
1492
1493 # AltiVec flags: The FSF version of GCC differs from the Apple version
1494 if test $arch = "powerpc"; then
1495     if enabled altivec; then
1496         if test -n "`$cc -v 2>&1 | grep version | grep Apple`"; then
1497             add_cflags "-faltivec"
1498         else
1499             add_cflags "-maltivec -mabi=altivec"
1500         fi
1501     fi
1502 fi
1503
1504 check_header altivec.h
1505
1506 # check if our compiler supports Motorola AltiVec C API
1507 if enabled altivec; then
1508     if enabled altivec_h; then
1509         inc_altivec_h="#include <altivec.h>"
1510     else
1511         inc_altivec_h=
1512     fi
1513     check_cc <<EOF || altivec=no
1514 $inc_altivec_h
1515 int main(void) {
1516     vector signed int v1, v2, v3;
1517     v1 = vec_add(v2,v3);
1518     return 0;
1519 }
1520 EOF
1521 fi
1522
1523 # check armv5te instructions support
1524 if test $armv5te = "default" -a $arch = "armv4l"; then
1525     armv5te=no
1526     check_cc <<EOF && armv5te=yes
1527         int main(void) {
1528         __asm__ __volatile__ ("qadd r0, r0, r0");
1529         }
1530 EOF
1531 fi
1532
1533 if test $armv6 = "default" -a $arch = "armv4l"; then
1534     check_cc <<EOF && armv6=yes || armv6=no
1535 int main(void) {
1536     __asm__ __volatile__ ("sadd16 r0, r0, r0");
1537 }
1538 EOF
1539 fi
1540
1541 # check iwmmxt support
1542 if test $iwmmxt = "default" -a $arch = "armv4l"; then
1543     iwmmxt=no
1544     check_cc <<EOF && iwmmxt=yes
1545         int main(void) {
1546         __asm__ __volatile__ ("wunpckelub wr6, wr4");
1547         }
1548 EOF
1549 fi
1550
1551 # mmi only available on mips
1552 if test $mmi = "default"; then
1553     if test $arch = "mips"; then
1554         mmi="yes"
1555     else
1556         mmi="no"
1557     fi
1558 fi
1559
1560 # check if our compiler supports mmi
1561 enabled mmi && check_cc <<EOF || mmi="no"
1562 int main(void) {
1563     __asm__ ("lq \$2, 0(\$2)");
1564     return 0;
1565 }
1566 EOF
1567
1568 # ---
1569 # big/little-endian test
1570 if disabled cross_compile; then
1571     check_ld <<EOF || die "endian test failed" && $TMPE && bigendian="yes"
1572 #include <inttypes.h>
1573 int main(int argc, char ** argv){
1574         volatile uint32_t i=0x01234567;
1575         return (*((uint8_t*)(&i))) == 0x67;
1576 }
1577 EOF
1578 else
1579     # programs cannot be launched if cross compiling, so make a static guess
1580     if test "$arch" = "powerpc" -o "$arch" = "mips" ; then
1581         bigendian="yes"
1582     fi
1583 fi
1584
1585 # ---
1586 # check availability of some header files
1587
1588 check_header malloc.h
1589 check_func memalign
1590
1591 if disabled_all memalign memalign_hack && enabled need_memalign ; then
1592     die "Error, no memalign() but SSE enabled, disable it or use --enable-memalign-hack."
1593 fi
1594
1595 check_header byteswap.h
1596
1597 check_header arpa/inet.h
1598
1599 check_func inet_aton
1600 check_func localtime_r
1601 enabled zlib && check_lib zlib.h zlibVersion -lz || zlib="no"
1602
1603 # ffserver uses poll(),
1604 # if it's not found we can emulate it using select().
1605 if enabled ffserver; then
1606     check_header sys/poll.h
1607 fi
1608
1609 # check for some common methods of building with pthread support
1610 # do this before the optional library checks as some of them require pthreads
1611 if enabled pthreads; then
1612     if check_func pthread_create; then
1613         :
1614     elif check_func pthread_create -pthread; then
1615         add_cflags -pthread
1616         add_ldflags -pthread
1617     elif check_func pthread_create -pthreads; then
1618         add_cflags -pthreads
1619         add_ldflags -pthreads
1620     elif ! check_lib pthread.h pthread_create -lpthread; then
1621         die "ERROR: can't find pthreads library"
1622     fi
1623 fi
1624
1625 for thread in $THREADS_LIST; do
1626     if enabled $thread; then
1627         if ! disabled thread_type ; then
1628             die "ERROR: Only one thread type must be selected."
1629         else
1630             thread_type="$thread"
1631         fi
1632     fi
1633 done
1634
1635 enabled_any libamr_nb libamr_wb && enable libamr
1636
1637 # these are off by default, so fail if requested and not available
1638 enabled liba52     && require liba52 a52dec/a52.h a52_init -la52
1639 enabled libamr_nb  && require libamrnb amrnb/interf_dec.h Speech_Decode_Frame_init -lamrnb -lm
1640 enabled libamr_wb  && require libamrwb amrwb/dec_if.h D_IF_init -lamrwb -lm
1641 enabled libgsm     && require libgsm gsm.h gsm_create -lgsm
1642 enabled libmp3lame && require LAME lame/lame.h lame_init -lmp3lame -lm
1643 enabled libtheora  && require libtheora theora/theora.h theora_info_init -ltheora -logg
1644 enabled libvorbis  && require libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbis -lvorbisenc -logg
1645 enabled libogg     && require libogg ogg/ogg.h ogg_sync_init -logg
1646 enabled libnut     && require libnut libnut.h nut_demuxer_init -lnut
1647 enabled libx264    && require x264 x264.h x264_encoder_open -lx264
1648 enabled libxvid    && require Xvid xvid.h xvid_global -lxvidcore
1649 enabled dc1394     && require libdc1394 libdc1394/dc1394_control.h dc1394_create_handle -ldc1394_control -lraw1394
1650 enabled mlib       && require mediaLib mlib_types.h mlib_VectorSub_S16_U8_Mod -lmlib
1651 enabled libfaac    && require2 libfaac "stdint.h faac.h" faacEncGetVersion -lfaac
1652 enabled libfaad    && require2 libfaad faad.h faacDecOpen -lfaad
1653 enabled avisynth   && require2 vfw32 "windows.h vfw.h" AVIFileInit -lvfw32
1654
1655 # test for lrintf in math.h
1656 check_exec <<EOF && lrintf=yes || lrintf=no
1657 #define _ISOC9X_SOURCE  1
1658 #include <math.h>
1659 int main( void ) { return (lrintf(3.999f) > 0)?0:1; }
1660 EOF
1661
1662 _restrict=
1663 for restrict_keyword in restrict __restrict__ __restrict; do
1664     check_cc <<EOF && _restrict=$restrict_keyword && break
1665 void foo(char * $restrict_keyword p);
1666 EOF
1667 done
1668
1669 # dlopen/dlfcn.h probing
1670
1671 check_header dlfcn.h
1672
1673 if check_func dlopen; then
1674     ldl=
1675 elif check_func dlopen -ldl; then
1676     ldl=-ldl
1677 fi
1678
1679 check_func fork
1680
1681 test "$vhook" = "default" && vhook="$dlopen"
1682
1683 enabled_any vhook liba52bin libfaadbin ffserver && add_extralibs $ldl
1684
1685 if test "$targetos" = cygwin -o "$targetos" = mingw32 && enabled_all static vhook ; then
1686     vhook="no"
1687     echo
1688     echo "At the moment vhooks don't work on Cygwin or MinGW static builds."
1689     echo "Patches welcome."
1690     echo
1691 fi
1692
1693 if enabled vhook; then
1694     check_ldflags -rdynamic
1695     check_ldflags -export-dynamic
1696 fi
1697
1698 enabled audio_beos && add_extralibs "-lmedia -lbe"
1699
1700 check_foo_config imlib2 imlib2 Imlib2.h imlib_load_font
1701 check_foo_config freetype2 freetype ft2build.h FT_Init_FreeType
1702
1703 ##########################################
1704 # SDL check
1705
1706 sdl_too_old=no
1707 sdl=no
1708 SDL_CONFIG="${cross_prefix}sdl-config"
1709 if "${SDL_CONFIG}" --version >/dev/null 2>&1; then
1710     sdl_cflags=`"${SDL_CONFIG}" --cflags`
1711     temp_cflags $sdl_cflags
1712     temp_extralibs `"${SDL_CONFIG}" --libs`
1713     if check_lib SDL.h SDL_Init; then
1714         _sdlversion=`"${SDL_CONFIG}" --version | sed 's/[^0-9]//g'`
1715         if test "$_sdlversion" -lt 121 ; then
1716             sdl_too_old=yes
1717         else
1718             sdl=yes
1719             check_cc $sdl_cflags <<EOF && enable sdl_video_size
1720 #include <SDL.h>
1721 int main(void){
1722     const SDL_VideoInfo *vi = SDL_GetVideoInfo();
1723     int w = vi->current_w;
1724     return 0;
1725 }
1726 EOF
1727         fi
1728     fi
1729     restore_flags
1730 fi
1731
1732 texi2html -version >/dev/null 2>&1 && enable texi2html || disable texi2html
1733
1734 ##########################################
1735 # IPv6 check
1736
1737 enabled network && enabled ipv6 && check_ld <<EOF && ipv6=yes || ipv6=no
1738 #include <sys/types.h>
1739 #include <sys/socket.h>
1740 #include <netinet/in.h>
1741 #include <netdb.h>
1742 int main( void ) {
1743   struct sockaddr_storage saddr;
1744   struct ipv6_mreq mreq6;
1745   getaddrinfo(0,0,0,0);
1746   getnameinfo(0,0,0,0,0,0,0);
1747   IN6_IS_ADDR_MULTICAST((const struct in6_addr *)0);
1748 }
1749 EOF
1750
1751 enabled v4l  && check_header linux/videodev.h  || disable v4l
1752 enabled v4l2 && check_header linux/videodev2.h || disable v4l2
1753
1754 # check for ioctl_meteor.h, ioctl_bt848.h and alternatives
1755 if enabled bktr; then
1756     { check_header dev/bktr/ioctl_meteor.h &&
1757       check_header dev/bktr/ioctl_bt848.h; } ||
1758     { check_header machine/ioctl_meteor.h &&
1759       check_header machine/ioctl_bt848.h; } ||
1760     { check_header dev/video/meteor/ioctl_meteor.h &&
1761       check_header dev/video/bktr/ioctl_bt848.h; } ||
1762     check_header dev/ic/bt8xx.h ||
1763     disable bktr
1764 fi
1765
1766 enabled audio_oss &&
1767     check_header sys/soundcard.h ||
1768     check_header soundcard.h ||
1769     disable audio_oss
1770
1771 # Deal with the x11 frame grabber
1772 enabled x11grab                         &&
1773 enabled gpl                             &&
1774 enabled x11_grab_device_demuxer         &&
1775 check_header X11/Xlib.h                 &&
1776 check_header X11/extensions/XShm.h      &&
1777 check_func XOpenDisplay -lX11           &&
1778 check_func XShmCreateImage -lX11 -lXext &&
1779 add_extralibs -lX11 -lXext              ||
1780 disable x11_grab_device_demuxer
1781
1782 enabled debug && add_cflags -g
1783
1784 # add some useful compiler flags if supported
1785 check_cflags -Wdeclaration-after-statement
1786 check_cflags -Wall
1787 check_cflags -Wno-switch
1788 check_cflags -Wdisabled-optimization
1789 check_cflags -Wpointer-arith
1790 check_cflags -Wredundant-decls
1791 check_cflags -Wno-pointer-sign
1792 enabled extra_warnings && check_cflags -Winline
1793
1794 # add some linker flags
1795 check_ldflags $LDLATEFLAGS
1796
1797 # not all compilers support -Os
1798 test "$optimize" = "small" && check_cflags -Os
1799
1800 if enabled optimize; then
1801     if test -n "`$cc -v 2>&1 | grep xlc`"; then
1802         add_cflags  "-O5"
1803         add_ldflags "-O5"
1804     else
1805         add_cflags "-O3"
1806     fi
1807 fi
1808
1809 # PIC flags for shared library objects where they are needed
1810 if enabled shared; then
1811     # LIBOBJFLAGS may have already been set in the OS configuration
1812     if test -z "$LIBOBJFLAGS" ; then
1813         case "$arch" in
1814             x86_64|ia64|alpha|sparc*|power*) LIBOBJFLAGS="\$(PIC)" ;;
1815         esac
1816     fi
1817 fi
1818
1819 if enabled gprof; then
1820     add_cflags  "-p"
1821     add_ldflags "-p"
1822 fi
1823
1824 VHOOKCFLAGS="-fPIC `echo $CFLAGS | sed s/-mdynamic-no-pic//`"
1825
1826 # find if .align arg is power-of-two or not
1827 if test $asmalign_pot = "unknown"; then
1828     asmalign_pot="no"
1829     echo 'asm (".align 3");' | check_cc && asmalign_pot="yes"
1830 fi
1831
1832 enabled_any $ENCODER_LIST  && enable encoders
1833 enabled_any $DECODER_LIST  && enable decoders
1834 enabled_any $MUXER_LIST    && enable muxers
1835 enabled_any $DEMUXER_LIST  && enable demuxers
1836 enabled_any $PROTOCOL_LIST && enable protocols
1837 enabled_any $BSF_LIST      && enable bsfs
1838
1839 enabled_any $THREADS_LIST  && enable threads
1840
1841 check_deps $CONFIG_LIST $HAVE_LIST $DECODER_LIST $ENCODER_LIST $PARSER_LIST \
1842     $BSF_LIST $DEMUXER_LIST $MUXER_LIST $PROTOCOL_LIST
1843
1844 enabled libogg    && append pkg_requires "ogg >= 1.1"
1845 enabled libtheora && append pkg_requires "theora"
1846 enabled libvorbis && append pkg_requires "vorbis vorbisenc"
1847 enabled dc1394    && append pkg_requires "libraw1394"
1848
1849 echo "install prefix            $PREFIX"
1850 echo "source path               $source_path"
1851 echo "C compiler                $cc"
1852 echo "make                      $make"
1853 echo ".align is power-of-two    $asmalign_pot"
1854 echo "ARCH                      $arch ($cpu)"
1855 if test "$BUILDSUF" != ""; then
1856     echo "build suffix              $BUILDSUF"
1857 fi
1858 echo "big-endian                $bigendian"
1859 if test $arch = "x86_32" -o $arch = "x86_64"; then
1860     echo "MMX enabled               $mmx"
1861     echo "CMOV enabled              $cmov"
1862     echo "CMOV is fast              $fast_cmov"
1863 fi
1864 if test $arch = "armv4l"; then
1865     echo "ARMv5TE enabled           $armv5te"
1866     echo "ARMv6 enabled             $armv6"
1867     echo "IWMMXT enabled            $iwmmxt"
1868 fi
1869 if test $arch = "mips"; then
1870     echo "MMI enabled               $mmi"
1871 fi
1872 if test $arch = "powerpc"; then
1873     echo "AltiVec enabled           $altivec"
1874     echo "dcbzl available           $dcbzl"
1875 fi
1876 echo "gprof enabled             $gprof"
1877 echo "debug symbols             $debug"
1878 echo "strip symbols             $dostrip"
1879 echo "optimize                  $optimize"
1880 echo "static                    $static"
1881 echo "shared                    $shared"
1882 echo "postprocessing support    $pp"
1883 echo "software scaler enabled   $swscaler"
1884 echo "video hooking             $vhook"
1885 if enabled vhook; then
1886     echo "Imlib2 support            $imlib2"
1887     echo "FreeType support          $freetype2"
1888 fi
1889 echo "network support           $network"
1890 if enabled network; then
1891     echo "IPv6 support              $ipv6"
1892 fi
1893 echo "threading support         $thread_type"
1894 echo "SDL support               $sdl"
1895 if enabled sdl_too_old; then
1896     echo "-> Your SDL version is too old - please upgrade to have FFplay/SDL support."
1897 fi
1898 echo "Sun medialib support      $mlib"
1899 echo "AVISynth enabled          $avisynth"
1900 echo "liba52 support            $liba52"
1901 echo "liba52 dlopened           $liba52bin"
1902 echo "libamr-nb support         $libamr_nb"
1903 echo "libamr-wb support         $libamr_wb"
1904 echo "libfaac enabled           $libfaac"
1905 echo "libfaad enabled           $libfaad"
1906 echo "faadbin enabled           $libfaadbin"
1907 echo "libgsm enabled            $libgsm"
1908 echo "libmp3lame enabled        $libmp3lame"
1909 echo "libnut enabled            $libnut"
1910 echo "libogg enabled            $libogg"
1911 echo "libtheora enabled         $libtheora"
1912 echo "libvorbis enabled         $libvorbis"
1913 echo "x264 enabled              $libx264"
1914 echo "XviD enabled              $libxvid"
1915 echo "zlib enabled              $zlib"
1916 if disabled gpl; then
1917     echo "License: LGPL"
1918 else
1919     echo "License: GPL"
1920 fi
1921
1922 echo "Creating config.mak and config.h..."
1923
1924 echo "# Automatically generated by configure - do not modify!" > config.mak
1925 echo "/* Automatically generated by configure - do not modify! */" > $TMPH
1926 echo "#define FFMPEG_CONFIGURATION \"$FFMPEG_CONFIGURATION\"" >> $TMPH
1927
1928 echo "PREFIX=$PREFIX" >> config.mak
1929 echo "prefix=\$(DESTDIR)\${PREFIX}" >> config.mak
1930 echo "libdir=\$(DESTDIR)$libdir" >> config.mak
1931 echo "shlibdir=\$(DESTDIR)$shlibdir" >> config.mak
1932 echo "incdir=\$(DESTDIR)$incdir" >> config.mak
1933 echo "bindir=\$(DESTDIR)$bindir" >> config.mak
1934 echo "mandir=\$(DESTDIR)$mandir" >> config.mak
1935 echo "MAKE=$make" >> config.mak
1936 echo "CC=$cc" >> config.mak
1937 echo "AR=$ar" >> config.mak
1938 echo "RANLIB=$ranlib" >> config.mak
1939 if enabled dostrip; then
1940     echo "STRIP=$strip" >> config.mak
1941 else
1942     echo "STRIP=echo ignoring strip" >> config.mak
1943 fi
1944
1945 echo "OPTFLAGS=$CFLAGS" >> config.mak
1946 echo "VHOOKCFLAGS=$VHOOKCFLAGS">>config.mak
1947 echo "LDFLAGS=$LDFLAGS" >> config.mak
1948 echo "LDCONFIG=$LDCONFIG" >> config.mak
1949 echo "FFSERVERLDFLAGS=$FFSERVERLDFLAGS" >> config.mak
1950 echo "SHFLAGS=$SHFLAGS" >> config.mak
1951 echo "VHOOKSHFLAGS=$VHOOKSHFLAGS" >> config.mak
1952 echo "VHOOKLIBS=$VHOOKLIBS" >> config.mak
1953 echo "LIBOBJFLAGS=$LIBOBJFLAGS" >> config.mak
1954 echo "BUILD_STATIC=$static" >> config.mak
1955 echo "BUILDSUF=$BUILDSUF" >> config.mak
1956 echo "LIBPREF=$LIBPREF" >> config.mak
1957 echo "LIBSUF=\${BUILDSUF}$LIBSUF" >> config.mak
1958 if enabled static; then
1959   echo "LIB=$LIB" >> config.mak
1960 else # Some Make complain if this variable does not exist.
1961   echo "LIB=" >> config.mak
1962 fi
1963 echo "SLIBPREF=$SLIBPREF" >> config.mak
1964 echo "SLIBSUF=\${BUILDSUF}$SLIBSUF" >> config.mak
1965 echo "EXESUF=\${BUILDSUF}$EXESUF" >> config.mak
1966
1967 enable $arch
1968
1969 # special cases
1970 enabled_any x86_32 x86_64 && enable x86
1971 enabled     sparc64       && enable sparc
1972
1973 case "$arch" in
1974     powerpc)
1975         if test "$POWERPCMODE" = "64bits"; then
1976             echo "#define POWERPC_MODE_64BITS 1" >> $TMPH
1977         fi
1978         ;;
1979 esac
1980
1981 if enabled bigendian; then
1982   echo "WORDS_BIGENDIAN=yes" >> config.mak
1983   echo "#define WORDS_BIGENDIAN 1" >> $TMPH
1984 fi
1985 if enabled mmx; then
1986   echo "#define __CPU__ 586" >> $TMPH
1987 fi
1988
1989 if enabled sdl; then
1990   echo "SDL_LIBS=`"${SDL_CONFIG}" --libs`" >> config.mak
1991   echo "SDL_CFLAGS=`"${SDL_CONFIG}" --cflags`" >> config.mak
1992 fi
1993 if enabled texi2html; then
1994   echo "BUILD_DOC=yes" >> config.mak
1995 fi
1996
1997 sws_version=`grep '#define LIBSWSCALE_VERSION ' "$source_path/libswscale/swscale.h" | sed 's/[^0-9\.]//g'`
1998 pp_version=`grep '#define LIBPOSTPROC_VERSION ' "$source_path/libpostproc/postprocess.h" | sed 's/[^0-9\.]//g'`
1999 lavc_version=`grep '#define LIBAVCODEC_VERSION ' "$source_path/libavcodec/avcodec.h" | sed 's/[^0-9\.]//g'`
2000 lavf_version=`grep '#define LIBAVFORMAT_VERSION ' "$source_path/libavformat/avformat.h" | sed 's/[^0-9\.]//g'`
2001 lavu_version=`grep '#define LIBAVUTIL_VERSION ' "$source_path/libavutil/avutil.h" | sed 's/[^0-9\.]//g'`
2002
2003
2004
2005 if enabled shared; then
2006   echo "BUILD_SHARED=yes" >> config.mak
2007   echo "PIC=-fPIC -DPIC" >> config.mak
2008   echo "SPPMAJOR=${pp_version%%.*}" >> config.mak
2009   echo "SPPVERSION=$pp_version" >> config.mak
2010   echo "LAVCMAJOR=${lavc_version%%.*}" >> config.mak
2011   echo "LAVCVERSION=$lavc_version" >> config.mak
2012   echo "LAVFMAJOR=${lavf_version%%.*}" >> config.mak
2013   echo "LAVFVERSION=$lavf_version" >> config.mak
2014   echo "LAVUMAJOR=${lavu_version%%.*}" >> config.mak
2015   echo "LAVUVERSION=$lavu_version" >> config.mak
2016   echo "SWSMAJOR=${sws_version%%.*}" >> config.mak
2017   echo "SWSVERSION=$sws_version" >> config.mak
2018   echo "SLIBNAME=${SLIBNAME}" >> config.mak
2019   echo "SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}" >> config.mak
2020   echo "SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}" >> config.mak
2021   echo "SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}" >> config.mak
2022   echo "SLIB_INSTALL_EXTRA_CMD=${SLIB_INSTALL_EXTRA_CMD}" >> config.mak
2023 fi
2024 echo "LIB_INSTALL_EXTRA_CMD=${LIB_INSTALL_EXTRA_CMD}" >> config.mak
2025 echo "EXTRALIBS=$extralibs" >> config.mak
2026
2027 print_config ARCH_   $TMPH config.mak $ARCH_LIST
2028 print_config HAVE_   $TMPH config.mak $HAVE_LIST
2029 print_config CONFIG_ $TMPH config.mak $CONFIG_LIST   \
2030                                       $DECODER_LIST  \
2031                                       $ENCODER_LIST  \
2032                                       $PARSER_LIST   \
2033                                       $BSF_LIST      \
2034                                       $DEMUXER_LIST  \
2035                                       $MUXER_LIST    \
2036                                       $PROTOCOL_LIST \
2037
2038 if test "$targetos" = darwin; then
2039   echo "#define CONFIG_DARWIN 1"  >> $TMPH
2040 fi
2041
2042 echo "#define restrict $_restrict" >> $TMPH
2043
2044 if test "$optimize" = "small"; then
2045   echo "#define always_inline"  >> $TMPH
2046   echo "#define CONFIG_SMALL 1" >> $TMPH
2047 fi
2048
2049 echo "SRC_PATH=\"$source_path\"" >> config.mak
2050 echo "SRC_PATH_BARE=$source_path" >> config.mak
2051 echo "BUILD_ROOT=\"$PWD\"" >> config.mak
2052
2053 # Apparently it's not possible to portably echo a backslash.
2054 if enabled asmalign_pot; then
2055   printf '#define ASMALIGN(ZEROBITS) ".align " #ZEROBITS "\\n\\t"\n' >> $TMPH
2056 else
2057   printf '#define ASMALIGN(ZEROBITS) ".align 1<<" #ZEROBITS "\\n\\t"\n' >> $TMPH
2058 fi
2059
2060
2061 # Do not overwrite config.h if unchanged to avoid superfluous rebuilds.
2062 if ! cmp -s $TMPH config.h; then
2063         mv -f $TMPH config.h
2064 else
2065         echo "config.h is unchanged"
2066 fi
2067
2068 rm -f $TMPO $TMPC $TMPE $TMPS $TMPH
2069
2070 # build tree in object directory if source path is different from current one
2071 if enabled source_path_used; then
2072     DIRS="\
2073          doc \
2074          libavformat \
2075          libavcodec \
2076          libavcodec/alpha \
2077          libavcodec/armv4l \
2078          libavcodec/bfin \
2079          libavcodec/i386 \
2080          libavcodec/sparc \
2081          libavcodec/mlib \
2082          libavcodec/ppc \
2083          libpostproc \
2084          libavutil \
2085          libswscale \
2086          tests \
2087          vhook \
2088          "
2089     FILES="\
2090           Makefile \
2091           common.mak \
2092           libavformat/Makefile \
2093           libavcodec/Makefile \
2094           libpostproc/Makefile \
2095           libavutil/Makefile \
2096           libswscale/Makefile \
2097           tests/Makefile \
2098           vhook/Makefile \
2099           doc/texi2pod.pl \
2100           "
2101     for dir in $DIRS ; do
2102             mkdir -p $dir
2103     done
2104     for f in $FILES ; do
2105         ln -sf "$source_path/$f" $f
2106     done
2107 fi
2108
2109
2110 # build pkg-config files
2111 # FIXME: libdir and includedir are hardcoded and may differ from the real path.
2112
2113 pkgconfig_generate(){
2114 name=$1
2115 comment=$2
2116 version=$3
2117 libs=$4
2118 requires=$5
2119 include=$6
2120 cat <<EOF >$name.pc
2121 prefix=$PREFIX
2122 exec_prefix=\${prefix}
2123 libdir=\${exec_prefix}/lib
2124 includedir=\${prefix}/include
2125
2126 Name: $name
2127 Description: $comment
2128 Version: $version
2129 Requires: $requires
2130 Conflicts:
2131 Libs: -L\${libdir} $libs
2132 Cflags: -I\${includedir} -I\${includedir}/$include
2133 EOF
2134 }
2135
2136 pkgconfig_generate_uninstalled(){
2137 name=$1
2138 shortname=${name#lib}
2139 comment=$2
2140 version=$3
2141 libs=$4
2142 requires=$5
2143 cat <<EOF >$name-uninstalled.pc
2144 prefix=
2145 exec_prefix=
2146 libdir=\${pcfiledir}/$name
2147 includedir=\${pcfiledir}/$name
2148
2149 Name: $name
2150 Description: $comment
2151 Version: $version
2152 Requires: $requires
2153 Conflicts:
2154 Libs: \${libdir}/${LIBPREF}${shortname}${LIBSUF} $libs
2155 Cflags: -I\${includedir}
2156 EOF
2157 }
2158
2159 pkgconfig_generate libavutil "FFmpeg utility library" "$lavu_version" -lavutil "" ffmpeg
2160 pkgconfig_generate_uninstalled libavutil "FFmpeg utility library" "$lavu_version"
2161
2162 pkgconfig_generate libavcodec "FFmpeg codec library" "$lavc_version" "-lavcodec $extralibs" "$pkg_requires libavutil = $lavu_version" ffmpeg
2163 pkgconfig_generate_uninstalled libavcodec "FFmpeg codec library" "$lavc_version" "$extralibs" "$pkg_requires libavutil = $lavu_version"
2164
2165 pkgconfig_generate libavformat "FFmpeg container format library" "$lavf_version" "-lavformat $extralibs" "$pkg_requires libavcodec = $lavc_version" ffmpeg
2166 pkgconfig_generate_uninstalled libavformat "FFmpeg container format library" "$lavf_version" "$extralibs" "$pkg_requires libavcodec = $lavc_version"
2167
2168 if enabled pp; then
2169   pkgconfig_generate libpostproc "FFmpeg post processing library" "$pp_version" -lpostproc "" postproc
2170   pkgconfig_generate_uninstalled libpostproc "FFmpeg post processing library" "$pp_version"
2171 fi
2172
2173 if enabled swscaler; then
2174   pkgconfig_generate libswscale "FFmpeg image rescaling library" "$sws_version" -lswscale "libavutil = $lavu_version" ffmpeg
2175   pkgconfig_generate_uninstalled libswscale "FFmpeg image rescaling library" "$sws_version" "" "libavutil = $lavu_version"
2176 else
2177   pkgconfig_generate libswscale "FFmpeg image rescaling library" "$sws_version" "" "$pkg_requires libavcodec = $lavc_version" ffmpeg
2178   pkgconfig_generate_uninstalled libswscale "FFmpeg image rescaling library" "$sws_version" "" "$pkg_requires libavcodec = $lavc_version"
2179   apply libswscale.pc sed s/^Libs:.*$/Libs:/
2180   apply libswscale-uninstalled.pc sed s/^Libs:.*$/Libs:/
2181 fi