configure

   1 #!/bin/sh
   2 #
   3 # FFmpeg configure script
   4 #
   5 # Copyright (c) 2000-2002 Fabrice Bellard
   6 # Copyright (c) 2005-2008 Diego Biurrun
   7 # Copyright (c) 2005-2008 Mans Rullgard
   8 #
   9
  10 # Prevent locale nonsense from breaking basic text processing.
  11 LC_ALL=C
  12 export LC_ALL
  13
  14 # make sure we are running under a compatible shell
  15 # try to make this part work with most shells
  16
  17 try_exec(){
  18     echo "Trying shell $1"
  19     type "$1" > /dev/null 2>&1 && exec "$@"
  20 }
  21
  22 unset foo
  23 (: ${foo%%bar}) 2> /dev/null
  24 E1="$?"
  25
  26 (: ${foo?}) 2> /dev/null
  27 E2="$?"
  28
  29 if test "$E1" != 0 || test "$E2" = 0; then
  30     echo "Broken shell detected.  Trying alternatives."
  31     export FF_CONF_EXEC
  32     if test "0$FF_CONF_EXEC" -lt 1; then
  33         FF_CONF_EXEC=1
  34         try_exec bash "$0" "$@"
  35     fi
  36     if test "0$FF_CONF_EXEC" -lt 2; then
  37         FF_CONF_EXEC=2
  38         try_exec ksh "$0" "$@"
  39     fi
  40     if test "0$FF_CONF_EXEC" -lt 3; then
  41         FF_CONF_EXEC=3
  42         try_exec /usr/xpg4/bin/sh "$0" "$@"
  43     fi
  44     echo "No compatible shell script interpreter found."
  45     echo "This configure script requires a POSIX-compatible shell"
  46     echo "such as bash or ksh."
  47     echo "THIS IS NOT A BUG IN FFMPEG, DO NOT REPORT IT AS SUCH."
  48     echo "Instead, install a working POSIX-compatible shell."
  49     echo "Disabling this configure test will create a broken FFmpeg."
  50     if test "$BASH_VERSION" = '2.04.0(1)-release'; then
  51         echo "This bash version ($BASH_VERSION) is broken on your platform."
  52         echo "Upgrade to a later version if available."
  53     fi
  54     exit 1
  55 fi
  56
  57 show_help(){
  58 cat <<EOF
  59 Usage: configure [options]
  60 Options: [defaults in brackets after descriptions]
  61
  62 Standard options:
  63   --help                   print this message
  64   --logfile=FILE           log tests and output to FILE [config.err]
  65   --disable-logging        do not log configure debug information
  66   --prefix=PREFIX          install in PREFIX [$prefix]
  67   --bindir=DIR             install binaries in DIR [PREFIX/bin]
  68   --datadir=DIR            install data files in DIR [PREFIX/share/ffmpeg]
  69   --libdir=DIR             install libs in DIR [PREFIX/lib]
  70   --shlibdir=DIR           install shared libs in DIR [PREFIX/lib]
  71   --incdir=DIR             install includes in DIR [PREFIX/include]
  72   --mandir=DIR             install man page in DIR [PREFIX/share/man]
  73
  74 Configuration options:
  75   --disable-static         do not build static libraries [no]
  76   --enable-shared          build shared libraries [no]
  77   --enable-gpl             allow use of GPL code, the resulting libs
  78                            and binaries will be under GPL [no]
  79   --enable-version3        upgrade (L)GPL to version 3 [no]
  80   --enable-nonfree         allow use of nonfree code, the resulting libs
  81                            and binaries will be unredistributable [no]
  82   --disable-doc            do not build documentation
  83   --disable-ffmpeg         disable ffmpeg build
  84   --disable-ffplay         disable ffplay build
  85   --disable-ffprobe        disable ffprobe build
  86   --disable-ffserver       disable ffserver build
  87   --disable-avdevice       disable libavdevice build
  88   --disable-avcodec        disable libavcodec build
  89   --disable-avformat       disable libavformat build
  90   --disable-swscale        disable libswscale build
  91   --enable-postproc        enable GPLed postprocessing support [no]
  92   --disable-avfilter       disable video filter support [no]
  93   --enable-avfilter-lavf   video filters dependent on avformat [no]
  94   --enable-beosthreads     use BeOS threads [no]
  95   --enable-os2threads      use OS/2 threads [no]
  96   --enable-pthreads        use pthreads [no]
  97   --enable-w32threads      use Win32 threads [no]
  98   --enable-x11grab         enable X11 grabbing [no]
  99   --disable-network        disable network support [no]
 100   --disable-mpegaudio-hp   faster (but less accurate) MPEG audio decoding [no]
 101   --enable-gray            enable full grayscale support (slower color)
 102   --disable-swscale-alpha  disable alpha channel support in swscale
 103   --disable-fastdiv        disable table-based division
 104   --enable-small           optimize for size instead of speed
 105   --disable-aandct         disable AAN DCT code
 106   --disable-dct            disable DCT code
 107   --disable-fft            disable FFT code
 108   --disable-golomb         disable Golomb code
 109   --disable-lpc            disable LPC code
 110   --disable-mdct           disable MDCT code
 111   --disable-rdft           disable RDFT code
 112   --disable-vaapi          disable VAAPI code
 113   --disable-vdpau          disable VDPAU code
 114   --disable-dxva2          disable DXVA2 code
 115   --enable-runtime-cpudetect detect cpu capabilities at runtime (bigger binary)
 116   --enable-hardcoded-tables use hardcoded tables instead of runtime generation
 117   --enable-memalign-hack   emulate memalign, interferes with memory debuggers
 118   --disable-everything     disable all components listed below
 119   --disable-encoder=NAME   disable encoder NAME
 120   --enable-encoder=NAME    enable encoder NAME
 121   --disable-encoders       disable all encoders
 122   --disable-decoder=NAME   disable decoder NAME
 123   --enable-decoder=NAME    enable decoder NAME
 124   --disable-decoders       disable all decoders
 125   --disable-hwaccel=NAME   disable hwaccel NAME
 126   --enable-hwaccel=NAME    enable hwaccel NAME
 127   --disable-hwaccels       disable all hwaccels
 128   --disable-muxer=NAME     disable muxer NAME
 129   --enable-muxer=NAME      enable muxer NAME
 130   --disable-muxers         disable all muxers
 131   --disable-demuxer=NAME   disable demuxer NAME
 132   --enable-demuxer=NAME    enable demuxer NAME
 133   --disable-demuxers       disable all demuxers
 134   --enable-parser=NAME     enable parser NAME
 135   --disable-parser=NAME    disable parser NAME
 136   --disable-parsers        disable all parsers
 137   --enable-bsf=NAME        enable bitstream filter NAME
 138   --disable-bsf=NAME       disable bitstream filter NAME
 139   --disable-bsfs           disable all bitstream filters
 140   --enable-protocol=NAME   enable protocol NAME
 141   --disable-protocol=NAME  disable protocol NAME
 142   --disable-protocols      disable all protocols
 143   --disable-indev=NAME     disable input device NAME
 144   --disable-outdev=NAME    disable output device NAME
 145   --disable-indevs         disable input devices
 146   --disable-outdevs        disable output devices
 147   --disable-devices        disable all devices
 148   --enable-filter=NAME     enable filter NAME
 149   --disable-filter=NAME    disable filter NAME
 150   --disable-filters        disable all filters
 151   --list-decoders          show all available decoders
 152   --list-encoders          show all available encoders
 153   --list-hwaccels          show all available hardware accelerators
 154   --list-muxers            show all available muxers
 155   --list-demuxers          show all available demuxers
 156   --list-parsers           show all available parsers
 157   --list-protocols         show all available protocols
 158   --list-bsfs              show all available bitstream filters
 159   --list-indevs            show all available input devices
 160   --list-outdevs           show all available output devices
 161   --list-filters           show all available filters
 162
 163 External library support:
 164   --enable-avisynth        enable reading of AVISynth script files [no]
 165   --enable-bzlib           enable bzlib [autodetect]
 166   --enable-libopencore-amrnb enable AMR-NB de/encoding via libopencore-amrnb [no]
 167   --enable-libopencore-amrwb enable AMR-WB decoding via libopencore-amrwb [no]
 168   --enable-libdc1394       enable IIDC-1394 grabbing using libdc1394
 169                            and libraw1394 [no]
 170   --enable-libdirac        enable Dirac support via libdirac [no]
 171   --enable-libfaac         enable FAAC support via libfaac [no]
 172   --enable-libfaad         enable FAAD support via libfaad [no]
 173   --enable-libfaadbin      open libfaad.so.0 at runtime [no]
 174   --enable-libgsm          enable GSM support via libgsm [no]
 175   --enable-libmp3lame      enable MP3 encoding via libmp3lame [no]
 176   --enable-libnut          enable NUT (de)muxing via libnut,
 177                            native (de)muxer exists [no]
 178   --enable-libopenjpeg     enable JPEG 2000 decoding via OpenJPEG [no]
 179   --enable-librtmp         enable RTMP[E] support via librtmp [no]
 180   --enable-libschroedinger enable Dirac support via libschroedinger [no]
 181   --enable-libspeex        enable Speex decoding via libspeex [no]
 182   --enable-libtheora       enable Theora encoding via libtheora [no]
 183   --enable-libvorbis       enable Vorbis encoding via libvorbis,
 184                            native implementation exists [no]
 185   --enable-libvpx          enable VP8 support via libvpx [no]
 186   --enable-libx264         enable H.264 encoding via x264 [no]
 187   --enable-libxvid         enable Xvid encoding via xvidcore,
 188                            native MPEG-4/Xvid encoder exists [no]
 189   --enable-mlib            enable Sun medialib [no]
 190   --enable-zlib            enable zlib [autodetect]
 191
 192 Advanced options (experts only):
 193   --source-path=PATH       path to source code [$source_path]
 194   --cross-prefix=PREFIX    use PREFIX for compilation tools [$cross_prefix]
 195   --enable-cross-compile   assume a cross-compiler is used
 196   --sysroot=PATH           root of cross-build tree
 197   --sysinclude=PATH        location of cross-build system headers
 198   --target-os=OS           compiler targets OS [$target_os]
 199   --target-exec=CMD        command to run executables on target
 200   --target-path=DIR        path to view of build directory on target
 201   --nm=NM                  use nm tool
 202   --ar=AR                  use archive tool AR [$ar_default]
 203   --as=AS                  use assembler AS [$as_default]
 204   --cc=CC                  use C compiler CC [$cc_default]
 205   --ld=LD                  use linker LD
 206   --host-cc=HOSTCC         use host C compiler HOSTCC
 207   --host-cflags=HCFLAGS    use HCFLAGS when compiling for host
 208   --host-ldflags=HLDFLAGS  use HLDFLAGS when linking for host
 209   --host-libs=HLIBS        use libs HLIBS when linking for host
 210   --extra-cflags=ECFLAGS   add ECFLAGS to CFLAGS [$CFLAGS]
 211   --extra-ldflags=ELDFLAGS add ELDFLAGS to LDFLAGS [$LDFLAGS]
 212   --extra-libs=ELIBS       add ELIBS [$ELIBS]
 213   --extra-version=STRING   version string suffix []
 214   --build-suffix=SUFFIX    library name suffix []
 215   --arch=ARCH              select architecture [$arch]
 216   --cpu=CPU                select the minimum required CPU (affects
 217                            instruction selection, may crash on older CPUs)
 218   --enable-powerpc-perf    enable performance report on PPC
 219                            (requires enabling PMC)
 220   --disable-asm            disable all assembler optimizations
 221   --disable-altivec        disable AltiVec optimizations
 222   --disable-amd3dnow       disable 3DNow! optimizations
 223   --disable-amd3dnowext    disable 3DNow! extended optimizations
 224   --disable-mmx            disable MMX optimizations
 225   --disable-mmx2           disable MMX2 optimizations
 226   --disable-sse            disable SSE optimizations
 227   --disable-ssse3          disable SSSE3 optimizations
 228   --disable-armv5te        disable armv5te optimizations
 229   --disable-armv6          disable armv6 optimizations
 230   --disable-armv6t2        disable armv6t2 optimizations
 231   --disable-armvfp         disable ARM VFP optimizations
 232   --disable-iwmmxt         disable iwmmxt optimizations
 233   --disable-mmi            disable MMI optimizations
 234   --disable-neon           disable neon optimizations
 235   --disable-vis            disable VIS optimizations
 236   --disable-yasm           disable use of yasm assembler
 237   --enable-pic             build position-independent code
 238   --malloc-prefix=PFX      prefix malloc and related names with PFX
 239   --enable-sram            allow use of on-chip SRAM
 240
 241 Developer options (useful when working on FFmpeg itself):
 242   --disable-debug          disable debugging symbols
 243   --enable-debug=LEVEL     set the debug level [$debuglevel]
 244   --enable-gprof           enable profiling with gprof [$gprof]
 245   --disable-optimizations  disable compiler optimizations
 246   --enable-extra-warnings  enable more compiler warnings
 247   --disable-stripping      disable stripping of executables and shared libraries
 248   --samples=PATH           location of test samples for FATE
 249
 250 NOTE: Object files are built at the place where configure is launched.
 251 EOF
 252   exit 0
 253 }
 254
 255 log(){
 256     echo "$@" >> $logfile
 257 }
 258
 259 log_file(){
 260     log BEGIN $1
 261     pr -n -t $1 >> $logfile
 262     log END $1
 263 }
 264
 265 echolog(){
 266     log "$@"
 267     echo "$@"
 268 }
 269
 270 die(){
 271     echolog "$@"
 272     cat <<EOF
 273
 274 If you think configure made a mistake, make sure you are using the latest
 275 version from SVN.  If the latest version fails, report the problem to the
 276 ffmpeg-user@mplayerhq.hu mailing list or IRC #ffmpeg on irc.freenode.net.
 277 EOF
 278     if disabled logging; then
 279         cat <<EOF
 280 Rerun configure with logging enabled (do not use --disable-logging), and
 281 include the log this produces with your report.
 282 EOF
 283     else
 284 cat <<EOF
 285 Include the log file "$logfile" produced by configure as this will help
 286 solving the problem.
 287 EOF
 288     fi
 289     exit 1
 290 }
 291
 292 # Avoid locale weirdness, besides we really just want to translate ASCII.
 293 toupper(){
 294     echo "$@" | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ
 295 }
 296
 297 tolower(){
 298     echo "$@" | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz
 299 }
 300
 301 c_escape(){
 302     echo "$*" | sed 's/["\\]/\\\0/g'
 303 }
 304
 305 sh_quote(){
 306     v=$(echo "$1" | sed "s/'/'\\\\''/g")
 307     test "$v" = "${v#*[ |&;<>()$\`\\\"\'*?\[\]#~=%]}" || v="'$v'"
 308     echo "$v"
 309 }
 310
 311 filter(){
 312     pat=$1
 313     shift
 314     for v; do
 315         eval "case $v in $pat) echo $v ;; esac"
 316     done
 317 }
 318
 319 map(){
 320     m=$1
 321     shift
 322     for v; do eval $m; done
 323 }
 324
 325 set_all(){
 326     value=$1
 327     shift
 328     for var in $*; do
 329         eval $var=$value
 330     done
 331 }
 332
 333 set_weak(){
 334     value=$1
 335     shift
 336     for var; do
 337         eval : \${$var:=$value}
 338     done
 339 }
 340
 341 pushvar(){
 342     for var in $*; do
 343         eval level=\${${var}_level:=0}
 344         eval ${var}_${level}="\$$var"
 345         eval ${var}_level=$(($level+1))
 346     done
 347 }
 348
 349 popvar(){
 350     for var in $*; do
 351         eval level=\${${var}_level:-0}
 352         test $level = 0 && continue
 353         eval level=$(($level-1))
 354         eval $var="\${${var}_${level}}"
 355         eval ${var}_level=$level
 356         eval unset ${var}_${level}
 357     done
 358 }
 359
 360 enable(){
 361     set_all yes $*
 362 }
 363
 364 disable(){
 365     set_all no $*
 366 }
 367
 368 enable_weak(){
 369     set_weak yes $*
 370 }
 371
 372 disable_weak(){
 373     set_weak no $*
 374 }
 375
 376 enable_safe(){
 377     for var; do
 378         enable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
 379     done
 380 }
 381
 382 disable_safe(){
 383     for var; do
 384         disable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
 385     done
 386 }
 387
 388 do_enable_deep(){
 389     for var; do
 390         enabled $var && continue
 391         eval sel="\$${var}_select"
 392         eval sgs="\$${var}_suggest"
 393         pushvar var sgs
 394         enable_deep $sel
 395         popvar sgs
 396         enable_deep_weak $sgs
 397         popvar var
 398     done
 399 }
 400
 401 enable_deep(){
 402     do_enable_deep $*
 403     enable $*
 404 }
 405
 406 enable_deep_weak(){
 407     do_enable_deep $*
 408     enable_weak $*
 409 }
 410
 411 enabled(){
 412     test "${1#!}" = "$1" && op== || op=!=
 413     eval test "x\$${1#!}" $op "xyes"
 414 }
 415
 416 disabled(){
 417     test "${1#!}" = "$1" && op== || op=!=
 418     eval test "x\$${1#!}" $op "xno"
 419 }
 420
 421 enabled_all(){
 422     for opt; do
 423         enabled $opt || return 1
 424     done
 425 }
 426
 427 disabled_all(){
 428     for opt; do
 429         disabled $opt || return 1
 430     done
 431 }
 432
 433 enabled_any(){
 434     for opt; do
 435         enabled $opt && return 0
 436     done
 437 }
 438
 439 disabled_any(){
 440     for opt; do
 441         disabled $opt && return 0
 442     done
 443     return 1
 444 }
 445
 446 set_default(){
 447     for opt; do
 448         eval : \${$opt:=\$${opt}_default}
 449     done
 450 }
 451
 452 is_in(){
 453     value=$1
 454     shift
 455     for var in $*; do
 456         [ $var = $value ] && return 0
 457     done
 458     return 1
 459 }
 460
 461 check_deps(){
 462     for cfg; do
 463         cfg="${cfg#!}"
 464         enabled ${cfg}_checking && die "Circular dependency for $cfg."
 465         disabled ${cfg}_checking && continue
 466         enable ${cfg}_checking
 467
 468         eval dep_all="\$${cfg}_deps"
 469         eval dep_any="\$${cfg}_deps_any"
 470         eval dep_sel="\$${cfg}_select"
 471         eval dep_sgs="\$${cfg}_suggest"
 472         eval dep_ifa="\$${cfg}_if"
 473         eval dep_ifn="\$${cfg}_if_any"
 474
 475         pushvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
 476         check_deps $dep_all $dep_any $dep_sel $dep_sgs $dep_ifa $dep_ifn
 477         popvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
 478
 479         [ -n "$dep_ifa" ] && { enabled_all $dep_ifa && enable_weak $cfg; }
 480         [ -n "$dep_ifn" ] && { enabled_any $dep_ifn && enable_weak $cfg; }
 481         enabled_all  $dep_all || disable $cfg
 482         enabled_any  $dep_any || disable $cfg
 483         disabled_any $dep_sel && disable $cfg
 484
 485         if enabled $cfg; then
 486             eval dep_extralibs="\$${cfg}_extralibs"
 487             test -n "$dep_extralibs" && add_extralibs $dep_extralibs
 488             enable_deep $dep_sel
 489             enable_deep_weak $dep_sgs
 490         fi
 491
 492         disable ${cfg}_checking
 493     done
 494 }
 495
 496 print_config(){
 497     pfx=$1
 498     header=$2
 499     makefile=$3
 500     shift 3
 501     for cfg; do
 502         ucname="$(toupper $cfg)"
 503         if enabled $cfg; then
 504             echo "#define ${pfx}${ucname} 1" >> $header
 505             echo "${pfx}${ucname}=yes" >> $makefile
 506         else
 507             echo "#define ${pfx}${ucname} 0" >> $header
 508             echo "!${pfx}${ucname}=yes" >> $makefile
 509         fi
 510     done
 511 }
 512
 513 flags_saved(){
 514     (: ${SAVE_CFLAGS?}) 2> /dev/null
 515 }
 516
 517 save_flags(){
 518     flags_saved && return
 519     SAVE_CFLAGS="$CFLAGS"
 520     SAVE_LDFLAGS="$LDFLAGS"
 521     SAVE_extralibs="$extralibs"
 522 }
 523
 524 restore_flags(){
 525     flags_saved || return
 526     CFLAGS="$SAVE_CFLAGS"
 527     LDFLAGS="$SAVE_LDFLAGS"
 528     extralibs="$SAVE_extralibs"
 529     unset SAVE_CFLAGS
 530     unset SAVE_LDFLAGS
 531     unset SAVE_extralibs
 532 }
 533
 534 temp_cflags(){
 535     save_flags
 536     CFLAGS="$CFLAGS $*"
 537 }
 538
 539 temp_ldflags(){
 540     save_flags
 541     LDFLAGS="$LDFLAGS $*"
 542 }
 543
 544 temp_extralibs(){
 545     save_flags
 546     extralibs="$extralibs $*"
 547 }
 548
 549 append(){
 550     var=$1
 551     shift
 552     flags_saved && eval "SAVE_$var=\"\$SAVE_$var $*\""
 553     eval "$var=\"\$$var $*\""
 554 }
 555
 556 add_cppflags(){
 557     append CPPFLAGS $($filter_cppflags "$@")
 558 }
 559
 560 add_cflags(){
 561     append CFLAGS $($filter_cflags "$@")
 562 }
 563
 564 add_asflags(){
 565     append ASFLAGS $($filter_asflags "$@")
 566 }
 567
 568 add_ldflags(){
 569     append LDFLAGS "$@"
 570 }
 571
 572 add_extralibs(){
 573     append extralibs "$@"
 574 }
 575
 576 check_cmd(){
 577     log "$@"
 578     "$@" >> $logfile 2>&1
 579 }
 580
 581 check_cc(){
 582     log check_cc "$@"
 583     cat > $TMPC
 584     log_file $TMPC
 585     check_cmd $cc $CPPFLAGS $CFLAGS "$@" -c -o $TMPO $TMPC
 586 }
 587
 588 check_cpp(){
 589     log check_cpp "$@"
 590     cat > $TMPC
 591     log_file $TMPC
 592     check_cmd $cc $CPPFLAGS $CFLAGS "$@" -E -o $TMPO $TMPC
 593 }
 594
 595 check_as(){
 596     log check_as "$@"
 597     cat > $TMPC
 598     log_file $TMPC
 599     check_cmd $as $CPPFLAGS $ASFLAGS "$@" -c -o $TMPO $TMPC
 600 }
 601
 602 check_asm(){
 603     log check_asm "$@"
 604     name="$1"
 605     code="$2"
 606     shift 2
 607     disable $name
 608     check_as "$@" <<EOF && enable $name
 609 void foo(void){ __asm__ volatile($code); }
 610 EOF
 611 }
 612
 613 check_yasm(){
 614     log check_yasm "$@"
 615     echo "$1" > $TMPS
 616     log_file $TMPS
 617     shift 1
 618     check_cmd $yasmexe $YASMFLAGS "$@" -o $TMPO $TMPS
 619 }
 620
 621 check_ld(){
 622     log check_ld "$@"
 623     flags=''
 624     libs=''
 625     for f; do
 626         test "${f}" = "${f#-l}" && flags="$flags $f" || libs="$libs $f"
 627     done
 628     check_cc $($filter_cflags $flags) || return
 629     check_cmd $ld $LDFLAGS $flags -o $TMPE $TMPO $extralibs $libs
 630 }
 631
 632 check_cppflags(){
 633     log check_cppflags "$@"
 634     set -- $($filter_cppflags "$@")
 635     check_cc "$@" <<EOF && append CPPFLAGS "$@"
 636 int x;
 637 EOF
 638 }
 639
 640 check_cflags(){
 641     log check_cflags "$@"
 642     set -- $($filter_cflags "$@")
 643     check_cc "$@" <<EOF && append CFLAGS "$@"
 644 int x;
 645 EOF
 646 }
 647
 648 test_ldflags(){
 649     log test_ldflags "$@"
 650     check_ld "$@" <<EOF
 651 int main(void){ return 0; }
 652 EOF
 653 }
 654
 655 check_ldflags(){
 656     log check_ldflags "$@"
 657     test_ldflags "$@" && add_ldflags "$@"
 658 }
 659
 660 check_header(){
 661     log check_header "$@"
 662     header=$1
 663     shift
 664     disable_safe $header
 665     check_cpp "$@" <<EOF && enable_safe $header
 666 #include <$header>
 667 int x;
 668 EOF
 669 }
 670
 671 check_func(){
 672     log check_func "$@"
 673     func=$1
 674     shift
 675     disable $func
 676     check_ld "$@" <<EOF && enable $func
 677 extern int $func();
 678 int main(void){ $func(); }
 679 EOF
 680 }
 681
 682 check_mathfunc(){
 683     log check_mathfunc "$@"
 684     func=$1
 685     shift
 686     disable $func
 687     check_ld "$@" <<EOF && enable $func
 688 #include <math.h>
 689 float foo(float f) { return $func(f); }
 690 int main(void){ return 0; }
 691 EOF
 692 }
 693
 694 check_func_headers(){
 695     log check_func_headers "$@"
 696     headers=$1
 697     func=$2
 698     shift 2
 699     disable $func
 700     incs=""
 701     for hdr in $headers; do
 702         incs="$incs
 703 #include <$hdr>"
 704     done
 705     check_ld "$@" <<EOF && enable $func && enable_safe $headers
 706 $incs
 707 int main(int argc, char **argv){
 708     return (long) $func;
 709 }
 710 EOF
 711 }
 712
 713 check_cpp_condition(){
 714     log check_cpp_condition "$@"
 715     header=$1
 716     condition=$2
 717     shift 2
 718     check_cpp $($filter_cppflags "$@") <<EOF
 719 #include <$header>
 720 #if !($condition)
 721 #error "unsatisfied condition: $condition"
 722 #endif
 723 EOF
 724 }
 725
 726 check_lib(){
 727     log check_lib "$@"
 728     header="$1"
 729     func="$2"
 730     shift 2
 731     temp_extralibs "$@"
 732     check_header $header && check_func $func && add_extralibs "$@"
 733     err=$?
 734     restore_flags
 735     return $err
 736 }
 737
 738 check_lib2(){
 739     log check_lib2 "$@"
 740     headers="$1"
 741     func="$2"
 742     shift 2
 743     check_func_headers "$headers" $func "$@" && add_extralibs "$@"
 744 }
 745
 746 check_exec(){
 747     check_ld "$@" && { enabled cross_compile || $TMPE >> $logfile 2>&1; }
 748 }
 749
 750 check_exec_crash(){
 751     code=$(cat)
 752
 753     # exit() is not async signal safe.  _Exit (C99) and _exit (POSIX)
 754     # are safe but may not be available everywhere.  Thus we use
 755     # raise(SIGTERM) instead.  The check is run in a subshell so we
 756     # can redirect the "Terminated" message from the shell.  SIGBUS
 757     # is not defined by standard C so it is used conditionally.
 758
 759     (check_exec "$@") >> $logfile 2>&1 <<EOF
 760 #include <signal.h>
 761 static void sighandler(int sig){
 762     raise(SIGTERM);
 763 }
 764 int main(void){
 765     signal(SIGILL, sighandler);
 766     signal(SIGFPE, sighandler);
 767     signal(SIGSEGV, sighandler);
 768 #ifdef SIGBUS
 769     signal(SIGBUS, sighandler);
 770 #endif
 771     { $code }
 772 }
 773 EOF
 774 }
 775
 776 check_type(){
 777     log check_type "$@"
 778     headers=$1
 779     type=$2
 780     shift 2
 781     disable_safe "$type"
 782     incs=""
 783     for hdr in $headers; do
 784         incs="$incs
 785 #include <$hdr>"
 786     done
 787     check_cc "$@" <<EOF && enable_safe "$type"
 788 $incs
 789 $type v;
 790 EOF
 791 }
 792
 793 check_struct(){
 794     log check_type "$@"
 795     headers=$1
 796     struct=$2
 797     member=$3
 798     shift 3
 799     disable_safe "${struct}_${member}"
 800     incs=""
 801     for hdr in $headers; do
 802         incs="$incs
 803 #include <$hdr>"
 804     done
 805     check_cc "$@" <<EOF && enable_safe "${struct}_${member}"
 806 $incs
 807 const void *p = &(($struct *)0)->$member;
 808 EOF
 809 }
 810
 811 require(){
 812     name="$1"
 813     header="$2"
 814     func="$3"
 815     shift 3
 816     check_lib $header $func "$@" || die "ERROR: $name not found"
 817 }
 818
 819 require2(){
 820     name="$1"
 821     headers="$2"
 822     func="$3"
 823     shift 3
 824     check_lib2 "$headers" $func "$@" || die "ERROR: $name not found"
 825 }
 826
 827 check_foo_config(){
 828     cfg=$1
 829     pkg=$2
 830     header=$3
 831     func=$4
 832     shift 4
 833     disable $cfg
 834     check_cmd ${pkg}-config --version
 835     err=$?
 836     if test "$err" = 0; then
 837         temp_cflags $(${pkg}-config --cflags)
 838         temp_extralibs $(${pkg}-config --libs)
 839         check_lib "$@" $header $func && enable $cfg
 840     fi
 841     return $err
 842 }
 843
 844 check_host_cc(){
 845     log check_host_cc "$@"
 846     cat > $TMPC
 847     log_file $TMPC
 848     check_cmd $host_cc $host_cflags "$@" -c -o $TMPO $TMPC
 849 }
 850
 851 check_host_cflags(){
 852     log check_host_cflags "$@"
 853     check_host_cc "$@" <<EOF && append host_cflags "$@"
 854 int x;
 855 EOF
 856 }
 857
 858 apply(){
 859     file=$1
 860     shift
 861     "$@" < "$file" > "$file.tmp" && mv "$file.tmp" "$file" || rm "$file.tmp"
 862 }
 863
 864 cp_if_changed(){
 865     cmp -s "$1" "$2" &&
 866         echo "$2 is unchanged" ||
 867         cp -f "$1" "$2"
 868 }
 869
 870 # CONFIG_LIST contains configurable options, while HAVE_LIST is for
 871 # system-dependent things.
 872
 873 COMPONENT_LIST="
 874     bsfs
 875     decoders
 876     demuxers
 877     encoders
 878     filters
 879     hwaccels
 880     indevs
 881     muxers
 882     outdevs
 883     parsers
 884     protocols
 885 "
 886
 887 CONFIG_LIST="
 888     $COMPONENT_LIST
 889     aandct
 890     avcodec
 891     avdevice
 892     avfilter
 893     avfilter_lavf
 894     avformat
 895     avisynth
 896     bzlib
 897     dct
 898     doc
 899     dwt
 900     dxva2
 901     fastdiv
 902     ffmpeg
 903     ffplay
 904     ffprobe
 905     ffserver
 906     fft
 907     golomb
 908     gpl
 909     gprof
 910     gray
 911     h264dsp
 912     hardcoded_tables
 913     libdc1394
 914     libdirac
 915     libfaac
 916     libfaad
 917     libfaadbin
 918     libgsm
 919     libmp3lame
 920     libnut
 921     libopencore_amrnb
 922     libopencore_amrwb
 923     libopenjpeg
 924     librtmp
 925     libschroedinger
 926     libspeex
 927     libtheora
 928     libvorbis
 929     libvpx
 930     libx264
 931     libxvid
 932     lpc
 933     lsp
 934     mdct
 935     memalign_hack
 936     mlib
 937     mpegaudio_hp
 938     network
 939     nonfree
 940     pic
 941     postproc
 942     powerpc_perf
 943     rdft
 944     runtime_cpudetect
 945     shared
 946     small
 947     sram
 948     static
 949     swscale
 950     swscale_alpha
 951     vaapi
 952     vdpau
 953     version3
 954     x11grab
 955     zlib
 956 "
 957
 958 THREADS_LIST='
 959     beosthreads
 960     os2threads
 961     pthreads
 962     w32threads
 963 '
 964
 965 ARCH_LIST='
 966     alpha
 967     arm
 968     avr32
 969     avr32_ap
 970     avr32_uc
 971     bfin
 972     ia64
 973     m68k
 974     mips
 975     mips64
 976     parisc
 977     ppc
 978     ppc64
 979     s390
 980     sh4
 981     sparc
 982     sparc64
 983     tomi
 984     x86
 985     x86_32
 986     x86_64
 987 '
 988
 989 ARCH_EXT_LIST='
 990     altivec
 991     amd3dnow
 992     amd3dnowext
 993     armv5te
 994     armv6
 995     armv6t2
 996     armvfp
 997     iwmmxt
 998     mmi
 999     mmx
1000     mmx2
1001     neon
1002     ppc4xx
1003     sse
1004     ssse3
1005     vis
1006 '
1007
1008 HAVE_LIST_PUB='
1009     bigendian
1010 '
1011
1012 HAVE_LIST="
1013     $ARCH_EXT_LIST
1014     $HAVE_LIST_PUB
1015     $THREADS_LIST
1016     alsa_asoundlib_h
1017     altivec_h
1018     arpa_inet_h
1019     attribute_may_alias
1020     attribute_packed
1021     bswap
1022     closesocket
1023     cmov
1024     conio_h
1025     dcbzl
1026     dev_bktr_ioctl_bt848_h
1027     dev_bktr_ioctl_meteor_h
1028     dev_ic_bt8xx_h
1029     dev_video_meteor_ioctl_meteor_h
1030     dev_video_bktr_ioctl_bt848_h
1031     dlfcn_h
1032     dlopen
1033     dos_paths
1034     ebp_available
1035     ebx_available
1036     exp2
1037     exp2f
1038     fast_64bit
1039     fast_clz
1040     fast_cmov
1041     fast_unaligned
1042     fork
1043     getaddrinfo
1044     gethrtime
1045     GetProcessMemoryInfo
1046     GetProcessTimes
1047     getrusage
1048     struct_rusage_ru_maxrss
1049     inet_aton
1050     inline_asm
1051     isatty
1052     ldbrx
1053     libdc1394_1
1054     libdc1394_2
1055     llrint
1056     llrintf
1057     local_aligned_16
1058     local_aligned_8
1059     log2
1060     log2f
1061     loongson
1062     lrint
1063     lrintf
1064     lzo1x_999_compress
1065     machine_ioctl_bt848_h
1066     machine_ioctl_meteor_h
1067     malloc_h
1068     memalign
1069     mkstemp
1070     pld
1071     posix_memalign
1072     round
1073     roundf
1074     sdl
1075     sdl_video_size
1076     setmode
1077     socklen_t
1078     soundcard_h
1079     poll_h
1080     setrlimit
1081     strerror_r
1082     struct_addrinfo
1083     struct_ipv6_mreq
1084     struct_sockaddr_in6
1085     struct_sockaddr_sa_len
1086     struct_sockaddr_storage
1087     symver
1088     symver_gnu_asm
1089     symver_asm_label
1090     sys_mman_h
1091     sys_resource_h
1092     sys_select_h
1093     sys_soundcard_h
1094     sys_videoio_h
1095     ten_operands
1096     termios_h
1097     threads
1098     truncf
1099     vfp_args
1100     VirtualAlloc
1101     winsock2_h
1102     xform_asm
1103     yasm
1104 "
1105
1106 # options emitted with CONFIG_ prefix but not available on command line
1107 CONFIG_EXTRA="
1108     avutil
1109     gplv3
1110     lgplv3
1111 "
1112
1113 CMDLINE_SELECT="
1114     $ARCH_EXT_LIST
1115     $CONFIG_LIST
1116     $THREADS_LIST
1117     asm
1118     cross_compile
1119     debug
1120     extra_warnings
1121     logging
1122     optimizations
1123     stripping
1124     yasm
1125 "
1126
1127 PATHS_LIST='
1128     bindir
1129     datadir
1130     incdir
1131     libdir
1132     mandir
1133     prefix
1134     shlibdir
1135 '
1136
1137 CMDLINE_SET="
1138     $PATHS_LIST
1139     ar
1140     arch
1141     as
1142     build_suffix
1143     cc
1144     cpu
1145     cross_prefix
1146     dep_cc
1147     extra_version
1148     host_cc
1149     host_cflags
1150     host_ldflags
1151     host_libs
1152     host_os
1153     ld
1154     logfile
1155     malloc_prefix
1156     nm
1157     samples
1158     source_path
1159     strip
1160     sysinclude
1161     sysroot
1162     target_exec
1163     target_os
1164     target_path
1165 "
1166
1167 CMDLINE_APPEND="
1168     extra_cflags
1169 "
1170
1171 # code dependency declarations
1172
1173 # architecture extensions
1174
1175 armv5te_deps="arm"
1176 armv6_deps="arm"
1177 armv6t2_deps="arm"
1178 armvfp_deps="arm"
1179 iwmmxt_deps="arm"
1180 neon_deps="arm"
1181
1182 mmi_deps="mips"
1183
1184 altivec_deps="ppc"
1185 ppc4xx_deps="ppc"
1186
1187 vis_deps="sparc"
1188
1189 x86_64_suggest="cmov fast_cmov"
1190 amd3dnow_deps="mmx"
1191 amd3dnowext_deps="amd3dnow"
1192 mmx_deps="x86"
1193 mmx2_deps="mmx"
1194 sse_deps="mmx"
1195 ssse3_deps="sse"
1196
1197 fast_64bit_if_any="alpha ia64 mips64 parisc64 ppc64 sparc64 x86_64"
1198 fast_clz_if_any="alpha armv5te avr32 mips ppc x86"
1199 fast_unaligned_if_any="armv6 ppc x86"
1200
1201 need_memalign="altivec neon sse"
1202 inline_asm_deps="!tms470"
1203
1204 symver_if_any="symver_asm_label symver_gnu_asm"
1205
1206 # subsystems
1207 mdct_select="fft"
1208 rdft_select="fft"
1209
1210 # decoders / encoders / hardware accelerators
1211 aac_decoder_select="mdct rdft aac_parser"
1212 aac_encoder_select="mdct"
1213 ac3_decoder_select="mdct ac3_parser"
1214 alac_encoder_select="lpc"
1215 amrnb_decoder_select="lsp"
1216 atrac1_decoder_select="mdct"
1217 atrac3_decoder_select="mdct"
1218 binkaudio_dct_decoder_select="mdct rdft dct"
1219 binkaudio_rdft_decoder_select="mdct rdft"
1220 cavs_decoder_select="golomb"
1221 cook_decoder_select="mdct"
1222 cscd_decoder_suggest="zlib"
1223 dca_decoder_select="mdct"
1224 dnxhd_encoder_select="aandct"
1225 dxa_decoder_select="zlib"
1226 eac3_decoder_select="ac3_decoder"
1227 eamad_decoder_select="aandct"
1228 eatgq_decoder_select="aandct"
1229 eatqi_decoder_select="aandct"
1230 ffv1_decoder_select="golomb"
1231 flac_decoder_select="golomb"
1232 flac_encoder_select="golomb lpc"
1233 flashsv_decoder_select="zlib"
1234 flashsv_encoder_select="zlib"
1235 flv_decoder_select="h263_decoder"
1236 flv_encoder_select="h263_encoder"
1237 h261_encoder_select="aandct"
1238 h263_decoder_select="h263_parser"
1239 h263_encoder_select="aandct"
1240 h263_vaapi_hwaccel_select="vaapi h263_decoder"
1241 h263i_decoder_select="h263_decoder"
1242 h263p_encoder_select="h263_encoder"
1243 h264_decoder_select="golomb h264dsp"
1244 h264_dxva2_hwaccel_deps="dxva2api_h"
1245 h264_dxva2_hwaccel_select="dxva2 h264_decoder"
1246 h264_vaapi_hwaccel_select="vaapi"
1247 h264_vdpau_decoder_select="vdpau h264_decoder"
1248 imc_decoder_select="fft mdct"
1249 jpegls_decoder_select="golomb"
1250 jpegls_encoder_select="golomb"
1251 ljpeg_encoder_select="aandct"
1252 loco_decoder_select="golomb"
1253 mjpeg_encoder_select="aandct"
1254 mlp_decoder_select="mlp_parser"
1255 mpeg1video_encoder_select="aandct"
1256 mpeg2video_encoder_select="aandct"
1257 mpeg4_decoder_select="h263_decoder mpeg4video_parser"
1258 mpeg4_encoder_select="h263_encoder"
1259 mpeg_vdpau_decoder_select="vdpau mpegvideo_decoder"
1260 mpeg1_vdpau_decoder_select="vdpau mpeg1video_decoder"
1261 mpeg2_vaapi_hwaccel_select="vaapi mpeg2video_decoder"
1262 mpeg4_vaapi_hwaccel_select="vaapi mpeg4_decoder"
1263 mpeg4_vdpau_decoder_select="vdpau mpeg4_decoder"
1264 mpeg_xvmc_decoder_deps="X11_extensions_XvMClib_h"
1265 mpeg_xvmc_decoder_select="mpegvideo_decoder"
1266 msmpeg4v1_decoder_select="h263_decoder"
1267 msmpeg4v1_encoder_select="h263_encoder"
1268 msmpeg4v2_decoder_select="h263_decoder"
1269 msmpeg4v2_encoder_select="h263_encoder"
1270 msmpeg4v3_decoder_select="h263_decoder"
1271 msmpeg4v3_encoder_select="h263_encoder"
1272 nellymoser_decoder_select="mdct"
1273 nellymoser_encoder_select="mdct"
1274 png_decoder_select="zlib"
1275 png_encoder_select="zlib"
1276 qcelp_decoder_select="lsp"
1277 qdm2_decoder_select="mdct rdft"
1278 real_144_encoder_select="lpc"
1279 rv10_decoder_select="h263_decoder"
1280 rv10_encoder_select="h263_encoder"
1281 rv20_decoder_select="h263_decoder"
1282 rv20_encoder_select="h263_encoder"
1283 rv30_decoder_select="golomb h264dsp"
1284 rv40_decoder_select="golomb h264dsp"
1285 shorten_decoder_select="golomb"
1286 sipr_decoder_select="lsp"
1287 snow_decoder_select="dwt"
1288 snow_encoder_select="aandct dwt"
1289 sonic_decoder_select="golomb"
1290 sonic_encoder_select="golomb"
1291 sonic_ls_encoder_select="golomb"
1292 svq1_encoder_select="aandct"
1293 svq3_decoder_select="golomb h264dsp"
1294 svq3_decoder_suggest="zlib"
1295 theora_decoder_select="vp3_decoder"
1296 tiff_decoder_suggest="zlib"
1297 tiff_encoder_suggest="zlib"
1298 truehd_decoder_select="mlp_decoder"
1299 tscc_decoder_select="zlib"
1300 twinvq_decoder_select="mdct lsp"
1301 vc1_decoder_select="h263_decoder"
1302 vc1_dxva2_hwaccel_deps="dxva2api_h DXVA_PictureParameters_wDecodedPictureIndex"
1303 vc1_dxva2_hwaccel_select="dxva2 vc1_decoder"
1304 vc1_vaapi_hwaccel_select="vaapi vc1_decoder"
1305 vc1_vdpau_decoder_select="vdpau vc1_decoder"
1306 vorbis_decoder_select="mdct"
1307 vorbis_encoder_select="mdct"
1308 vp6a_decoder_select="vp6_decoder"
1309 vp6f_decoder_select="vp6_decoder"
1310 wmapro_decoder_select="mdct"
1311 wmav1_decoder_select="mdct"
1312 wmav1_encoder_select="mdct"
1313 wmav2_decoder_select="mdct"
1314 wmav2_encoder_select="mdct"
1315 wmavoice_decoder_select="lsp rdft dct"
1316 wmv1_decoder_select="h263_decoder"
1317 wmv1_encoder_select="h263_encoder"
1318 wmv2_decoder_select="h263_decoder"
1319 wmv2_encoder_select="h263_encoder"
1320 wmv3_decoder_select="vc1_decoder"
1321 wmv3_dxva2_hwaccel_select="vc1_dxva2_hwaccel"
1322 wmv3_vaapi_hwaccel_select="vc1_vaapi_hwaccel"
1323 wmv3_vdpau_decoder_select="vc1_vdpau_decoder"
1324 zlib_decoder_select="zlib"
1325 zlib_encoder_select="zlib"
1326 zmbv_decoder_select="zlib"
1327 zmbv_encoder_select="zlib"
1328
1329 vaapi_deps="va_va_h"
1330 vdpau_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1331
1332 # parsers
1333 h264_parser_select="golomb h264dsp"
1334
1335 # bitstream_filters
1336 aac_adtstoasc_bsf_select="aac_parser"
1337
1338 # external libraries
1339 libdirac_decoder_deps="libdirac !libschroedinger"
1340 libdirac_encoder_deps="libdirac"
1341 libfaac_encoder_deps="libfaac"
1342 libfaad_decoder_deps="libfaad"
1343 libfaadbin_extralibs='$ldl'
1344 libgsm_decoder_deps="libgsm"
1345 libgsm_encoder_deps="libgsm"
1346 libgsm_ms_decoder_deps="libgsm"
1347 libgsm_ms_encoder_deps="libgsm"
1348 libmp3lame_encoder_deps="libmp3lame"
1349 libopencore_amrnb_decoder_deps="libopencore_amrnb"
1350 libopencore_amrnb_encoder_deps="libopencore_amrnb"
1351 libopencore_amrwb_decoder_deps="libopencore_amrwb"
1352 libopenjpeg_decoder_deps="libopenjpeg"
1353 libschroedinger_decoder_deps="libschroedinger"
1354 libschroedinger_encoder_deps="libschroedinger"
1355 libspeex_decoder_deps="libspeex"
1356 libtheora_encoder_deps="libtheora"
1357 libvorbis_encoder_deps="libvorbis"
1358 libvpx_decoder_deps="libvpx"
1359 libvpx_encoder_deps="libvpx"
1360 libx264_encoder_deps="libx264"
1361 libxvid_encoder_deps="libxvid"
1362
1363 # demuxers / muxers
1364 ac3_demuxer_deps="ac3_parser"
1365 asf_stream_muxer_select="asf_muxer"
1366 avisynth_demuxer_deps="avisynth"
1367 dirac_demuxer_deps="dirac_parser"
1368 eac3_demuxer_select="ac3_parser"
1369 ipod_muxer_select="mov_muxer"
1370 libnut_demuxer_deps="libnut"
1371 libnut_muxer_deps="libnut"
1372 matroska_audio_muxer_select="matroska_muxer"
1373 matroska_demuxer_suggest="zlib bzlib"
1374 mov_demuxer_suggest="zlib"
1375 mp3_demuxer_deps="mpegaudio_parser"
1376 mp4_muxer_select="mov_muxer"
1377 mpegtsraw_demuxer_select="mpegts_demuxer"
1378 mxf_d10_muxer_select="mxf_muxer"
1379 ogg_demuxer_select="golomb"
1380 psp_muxer_select="mov_muxer"
1381 rtsp_demuxer_deps="sdp_demuxer"
1382 rtsp_muxer_deps="sdp_demuxer"
1383 rtsp_muxer_select="rtp_muxer"
1384 sdp_demuxer_deps="rtp_protocol mpegts_demuxer"
1385 sdp_demuxer_select="asf_demuxer rm_demuxer"
1386 spdif_muxer_select="aac_parser"
1387 tg2_muxer_select="mov_muxer"
1388 tgp_muxer_select="mov_muxer"
1389 w64_demuxer_deps="wav_demuxer"
1390
1391 # indevs / outdevs
1392 alsa_indev_deps="alsa_asoundlib_h snd_pcm_htimestamp"
1393 alsa_indev_extralibs="-lasound"
1394 alsa_outdev_deps="alsa_asoundlib_h"
1395 alsa_outdev_extralibs="-lasound"
1396 bktr_indev_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
1397 dv1394_indev_deps="dv1394 dv_demuxer"
1398 jack_indev_deps="jack_jack_h"
1399 jack_indev_extralibs="-ljack"
1400 libdc1394_indev_deps="libdc1394"
1401 oss_indev_deps_any="soundcard_h sys_soundcard_h"
1402 oss_outdev_deps_any="soundcard_h sys_soundcard_h"
1403 v4l_indev_deps="linux_videodev_h"
1404 v4l2_indev_deps_any="linux_videodev2_h sys_videoio_h"
1405 vfwcap_indev_deps="capCreateCaptureWindow"
1406 vfwcap_indev_extralibs="-lavicap32"
1407 x11_grab_device_indev_deps="x11grab XShmCreateImage"
1408 x11_grab_device_indev_extralibs="-lX11 -lXext -lXfixes"
1409
1410 # protocols
1411 gopher_protocol_deps="network"
1412 http_protocol_deps="network"
1413 http_protocol_select="tcp_protocol"
1414 mmst_protocol_deps="network"
1415 rtmp_protocol_select="tcp_protocol"
1416 rtp_protocol_select="udp_protocol"
1417 tcp_protocol_deps="network"
1418 udp_protocol_deps="network"
1419
1420 # filters
1421 movie_filter_deps="avfilter_lavf"
1422 avfilter_lavf_deps="avformat"
1423
1424 # libraries
1425 avdevice_deps="avcodec avformat"
1426 avformat_deps="avcodec"
1427
1428 # programs
1429 ffmpeg_deps="avcodec avformat swscale"
1430 ffmpeg_select="buffer_filter"
1431 ffplay_deps="avcodec avformat swscale sdl"
1432 ffplay_select="rdft"
1433 ffprobe_deps="avcodec avformat"
1434 ffserver_deps="avformat ffm_muxer rtp_protocol rtsp_demuxer"
1435 ffserver_extralibs='$ldl'
1436
1437 doc_deps="texi2html"
1438
1439 # default parameters
1440
1441 logfile="config.err"
1442
1443 # installation paths
1444 prefix_default="/usr/local"
1445 bindir_default='${prefix}/bin'
1446 datadir_default='${prefix}/share/ffmpeg'
1447 incdir_default='${prefix}/include'
1448 libdir_default='${prefix}/lib'
1449 mandir_default='${prefix}/share/man'
1450 shlibdir_default="$libdir_default"
1451
1452 # toolchain
1453 ar_default="ar"
1454 cc_default="gcc"
1455 cc_version=\"unknown\"
1456 host_cc_default="gcc"
1457 ln_s="ln -sf"
1458 nm_default="nm"
1459 objformat="elf"
1460 ranlib="ranlib"
1461 strip_default="strip"
1462 yasmexe="yasm"
1463
1464 nm_opts='-g'
1465
1466 # machine
1467 arch_default=$(uname -m)
1468 cpu="generic"
1469
1470 # OS
1471 target_os_default=$(tolower $(uname -s))
1472 host_os=$target_os_default
1473
1474 # configurable options
1475 enable avcodec
1476 enable avdevice
1477 enable avfilter
1478 enable avformat
1479 enable avutil
1480 enable asm
1481 enable debug
1482 enable doc
1483 enable fastdiv
1484 enable ffmpeg
1485 enable ffplay
1486 enable ffprobe
1487 enable ffserver
1488 enable mpegaudio_hp
1489 enable network
1490 enable optimizations
1491 enable protocols
1492 enable static
1493 enable stripping
1494 enable swscale
1495 enable swscale_alpha
1496
1497 # build settings
1498 SHFLAGS='-shared -Wl,-soname,$$(@F)'
1499 FFSERVERLDFLAGS=-Wl,-E
1500 LIBPREF="lib"
1501 LIBSUF=".a"
1502 FULLNAME='$(NAME)$(BUILDSUF)'
1503 LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
1504 SLIBPREF="lib"
1505 SLIBSUF=".so"
1506 SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
1507 SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
1508 SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
1509 LIB_INSTALL_EXTRA_CMD='$$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
1510
1511 CC_O='-o $@'
1512
1513 host_cflags='-D_ISOC99_SOURCE -D_POSIX_C_SOURCE=200112 -O3 -g -Wall'
1514 host_libs='-lm'
1515
1516 target_path='$(CURDIR)'
1517
1518 # gcc stupidly only outputs the basename of targets with -MM, but we need the
1519 # full relative path for objects in subdirectories for non-recursive Make.
1520 DEPEND_CMD='$(DEPCC) $(DEPFLAGS) $< | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(*F)\\.o,$(@D)/$(*F).o," > $(@:.o=.d)'
1521 DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -MM'
1522
1523 # find source path
1524 source_path="$(dirname "$0")"
1525 enable source_path_used
1526 if test -f configure; then
1527     source_path="$(pwd)"
1528     disable source_path_used
1529 else
1530     source_path="$(cd "$source_path"; pwd)"
1531     echo "$source_path" | grep -q '[[:blank:]]' &&
1532         die "Out of tree builds are impossible with whitespace in source path."
1533     test -e "$source_path/config.h" &&
1534         die "Out of tree builds are impossible with config.h in source dir."
1535 fi
1536
1537 for v in "$@"; do
1538     r=${v#*=}
1539     l=${v%"$r"}
1540     r=$(sh_quote "$r")
1541     FFMPEG_CONFIGURATION="${FFMPEG_CONFIGURATION# } ${l}${r}"
1542 done
1543
1544 find_things(){
1545     thing=$1
1546     pattern=$2
1547     file=$source_path/$3
1548     sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
1549 }
1550
1551 ENCODER_LIST=$(find_things  encoder  ENC      libavcodec/allcodecs.c)
1552 DECODER_LIST=$(find_things  decoder  DEC      libavcodec/allcodecs.c)
1553 HWACCEL_LIST=$(find_things  hwaccel  HWACCEL  libavcodec/allcodecs.c)
1554 PARSER_LIST=$(find_things   parser   PARSER   libavcodec/allcodecs.c)
1555 BSF_LIST=$(find_things      bsf      BSF      libavcodec/allcodecs.c)
1556 MUXER_LIST=$(find_things    muxer    _MUX     libavformat/allformats.c)
1557 DEMUXER_LIST=$(find_things  demuxer  DEMUX    libavformat/allformats.c)
1558 OUTDEV_LIST=$(find_things   outdev   OUTDEV   libavdevice/alldevices.c)
1559 INDEV_LIST=$(find_things    indev    _IN      libavdevice/alldevices.c)
1560 PROTOCOL_LIST=$(find_things protocol PROTOCOL libavformat/allformats.c)
1561 FILTER_LIST=$(find_things   filter   FILTER   libavfilter/allfilters.c)
1562
1563 for n in $COMPONENT_LIST; do
1564     v=$(toupper ${n%s})_LIST
1565     eval enable \$$v
1566     eval ${n}_if_any="\$$v"
1567 done
1568
1569 enable $ARCH_EXT_LIST
1570
1571 die_unknown(){
1572     echo "Unknown option \"$1\"."
1573     echo "See $0 --help for available options."
1574     exit 1
1575 }
1576
1577 show_list() {
1578     suffix=_$1
1579     shift
1580     echo $* | sed s/$suffix//g | tr ' ' '\n' | sort | pr -3 -t
1581     exit 0
1582 }
1583
1584 for opt do
1585     optval="${opt#*=}"
1586     case "$opt" in
1587     --extra-ldflags=*) add_ldflags $optval
1588     ;;
1589     --extra-libs=*) add_extralibs $optval
1590     ;;
1591     --disable-devices) disable $INDEV_LIST $OUTDEV_LIST
1592     ;;
1593     --enable-debug=*) debuglevel="$optval"
1594     ;;
1595     --disable-everything)
1596     map 'eval disable \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
1597     ;;
1598     --enable-*=*|--disable-*=*)
1599     eval $(echo "${opt%%=*}" | sed 's/--/action=/;s/-/ thing=/')
1600     is_in "${thing}s" $COMPONENT_LIST || die_unknown "$opt"
1601     eval list=\$$(toupper $thing)_LIST
1602     name=$(echo "${optval}" | sed "s/,/_${thing}|/g")_${thing}
1603     $action $(filter "$name" $list)
1604     ;;
1605     --enable-?*|--disable-?*)
1606     eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')
1607     if is_in $option $COMPONENT_LIST; then
1608         test $action = disable && action=unset
1609         eval $action \$$(toupper ${option%s})_LIST
1610     elif is_in $option $CMDLINE_SELECT; then
1611         $action $option
1612     else
1613         die_unknown $opt
1614     fi
1615     ;;
1616     --list-*)
1617         NAME="${opt#--list-}"
1618         is_in $NAME $COMPONENT_LIST || die_unknown $opt
1619         NAME=${NAME%s}
1620         eval show_list $NAME \$$(toupper $NAME)_LIST
1621     ;;
1622     --help|-h) show_help
1623     ;;
1624     *)
1625     optname="${opt%%=*}"
1626     optname="${optname#--}"
1627     optname=$(echo "$optname" | sed 's/-/_/g')
1628     if is_in $optname $CMDLINE_SET; then
1629         eval $optname='$optval'
1630     elif is_in $optname $CMDLINE_APPEND; then
1631         append $optname "$optval"
1632     else
1633          die_unknown $opt
1634     fi
1635     ;;
1636     esac
1637 done
1638
1639 disabled logging && logfile=/dev/null
1640
1641 echo "# $0 $FFMPEG_CONFIGURATION" > $logfile
1642 set >> $logfile
1643
1644 test -n "$cross_prefix" && enable cross_compile
1645
1646 if enabled cross_compile; then
1647     test -n "$arch" && test -n "$target_os" ||
1648         die "Must specify target arch and OS when cross-compiling"
1649 fi
1650
1651 set_default arch target_os
1652
1653 ar_default="${cross_prefix}${ar_default}"
1654 cc_default="${cross_prefix}${cc_default}"
1655 nm_default="${cross_prefix}${nm_default}"
1656 ranlib="${cross_prefix}${ranlib}"
1657 strip_default="${cross_prefix}${strip_default}"
1658
1659 sysinclude_default="${sysroot}/usr/include"
1660
1661 set_default cc nm strip sysinclude
1662 enabled cross_compile || host_cc_default=$cc
1663 set_default host_cc
1664
1665 exesuf() {
1666     case $1 in
1667         mingw32*|cygwin*|*-dos|freedos|opendos|os/2*) echo .exe ;;
1668     esac
1669 }
1670
1671 EXESUF=$(exesuf $target_os)
1672 HOSTEXESUF=$(exesuf $host_os)
1673
1674 # set temporary file name
1675 : ${TMPDIR:=$TEMPDIR}
1676 : ${TMPDIR:=$TMP}
1677 : ${TMPDIR:=/tmp}
1678
1679 if ! check_cmd type mktemp; then
1680     # simple replacement for missing mktemp
1681     # NOT SAFE FOR GENERAL USE
1682     mktemp(){
1683         echo "${2%XXX*}.${HOSTNAME}.${UID}.$$"
1684     }
1685 fi
1686
1687 tmpfile(){
1688     tmp=$(mktemp -u "${TMPDIR}/ffconf.XXXXXXXX")$2 &&
1689         (set -C; exec > $tmp) 2>/dev/null ||
1690         die "Unable to create temporary file in $TMPDIR."
1691     append TMPFILES $tmp
1692     eval $1=$tmp
1693 }
1694
1695 trap 'rm -f -- $TMPFILES' EXIT
1696 trap exit HUP INT TERM
1697
1698 tmpfile TMPC  .c
1699 tmpfile TMPE  $EXESUF
1700 tmpfile TMPH  .h
1701 tmpfile TMPO  .o
1702 tmpfile TMPS  .S
1703 tmpfile TMPV  .ver
1704 tmpfile TMPSH .sh
1705
1706 unset -f mktemp
1707
1708 # make sure we can execute files in $TMPDIR
1709 cat > $TMPSH 2>> $logfile <<EOF
1710 #! /bin/sh
1711 EOF
1712 chmod +x $TMPSH >> $logfile 2>&1
1713 if ! $TMPSH >> $logfile 2>&1; then
1714     cat <<EOF
1715 Unable to create and execute files in $TMPDIR.  Set the TMPDIR environment
1716 variable to another directory and make sure that it is not mounted noexec.
1717 EOF
1718     die "Sanity test failed."
1719 fi
1720
1721 filter_cflags=echo
1722 filter_cppflags=echo
1723 filter_asflags=echo
1724
1725 if   $cc -v 2>&1 | grep -qi ^gcc; then
1726     cc_type=gcc
1727     cc_version=__VERSION__
1728     if ! $cc -dumpversion | grep -q '^2\.'; then
1729         CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1730         AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1731     fi
1732     speed_cflags='-O3'
1733     size_cflags='-Os'
1734 elif $cc --version 2>/dev/null | grep -q Intel; then
1735     cc_type=icc
1736     cc_version="AV_STRINGIFY(__INTEL_COMPILER)"
1737     CC_DEPFLAGS='-MMD'
1738     AS_DEPFLAGS='-MMD'
1739     speed_cflags='-O3'
1740     size_cflags='-Os'
1741     noopt_cflags='-O1'
1742 elif $cc -v 2>&1 | grep -q xlc; then
1743     cc_type=xlc
1744     cc_version="AV_STRINGIFY(__IBMC__)"
1745     speed_cflags='-O5'
1746     size_cflags='-O5 -qcompact'
1747 elif $cc -V 2>/dev/null | grep -q Compaq; then
1748     cc_type=ccc
1749     cc_version="AV_STRINGIFY(__DECC_VER)"
1750     DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -M'
1751     debuglevel=3
1752     add_ldflags -Wl,-z,now # calls to libots crash without this
1753     speed_cflags='-fast'
1754     size_cflags='-O1'
1755 elif $cc --vsn 2>/dev/null | grep -q "ARM C/C++ Compiler"; then
1756     test -d "$sysroot" || die "No valid sysroot specified."
1757     cc_type=armcc
1758     cc_version="AV_STRINGIFY(__ARMCC_VERSION)"
1759     armcc_conf="$PWD/armcc.conf"
1760     $cc --arm_linux_configure                 \
1761         --arm_linux_config_file="$armcc_conf" \
1762         --configure_sysroot="$sysroot"        \
1763         --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||
1764         die "Error creating armcc configuration file."
1765     cc="$cc --arm_linux_config_file=$armcc_conf --translate_gcc"
1766     as_default="${cross_prefix}gcc"
1767     CC_DEPFLAGS='-MMD'
1768     AS_DEPFLAGS='-MMD'
1769     speed_cflags='-O3'
1770     size_cflags='-Os'
1771 elif $cc -version 2>/dev/null | grep -q TMS470; then
1772     cc_type=tms470
1773     cc_version="AV_STRINGIFY(__TI_COMPILER_VERSION__)"
1774     cc="$cc --gcc --abi=eabi -eo=.o -mc -me"
1775     CC_O='-fr=$(@D)'
1776     as_default="${cross_prefix}gcc"
1777     ld_default="${cross_prefix}gcc"
1778     TMPO=$(basename $TMPC .c).o
1779     append TMPFILES $TMPO
1780     add_cflags -D__gnuc_va_list=va_list -D__USER_LABEL_PREFIX__=
1781     CC_DEPFLAGS='-ppa -ppd=$(@:.o=.d)'
1782     AS_DEPFLAGS='-MMD'
1783     speed_cflags='-O3 -mf=5'
1784     size_cflags='-O3 -mf=2'
1785     filter_cflags=tms470_flags
1786     tms470_flags(){
1787         for flag; do
1788             case $flag in
1789                 -march=*|-mcpu=*)
1790                     case "${flag#*=}" in
1791                         armv7-a|cortex-a*)      echo -mv=7a8 ;;
1792                         armv7-r|cortex-r*)      echo -mv=7r4 ;;
1793                         armv7-m|cortex-m*)      echo -mv=7m3 ;;
1794                         armv6*|arm11*)          echo -mv=6   ;;
1795                         armv5*e|arm[79]*e*|arm9[24]6*|arm96*|arm102[26])
1796                                                 echo -mv=5e  ;;
1797                         armv4*|arm7*|arm9[24]*) echo -mv=4   ;;
1798                     esac
1799                     ;;
1800                 -mfpu=neon)     echo --float_support=vfpv3 --neon ;;
1801                 -mfpu=vfp)      echo --float_support=vfpv2        ;;
1802                 -mfpu=vfpv3)    echo --float_support=vfpv3        ;;
1803                 -msoft-float)   echo --float_support=vfplib       ;;
1804                 -O[0-3]|-mf=*)  echo $flag                        ;;
1805                 -g)             echo -g -mn                       ;;
1806                 -pds=*)         echo $flag                        ;;
1807             esac
1808         done
1809     }
1810 elif $cc -v 2>&1 | grep -q clang; then
1811     cc_type=clang
1812     cc_version=__VERSION__
1813     CC_DEPFLAGS='-MMD'
1814     AS_DEPFLAGS='-MMD'
1815     speed_cflags='-O3'
1816     size_cflags='-Os'
1817 elif $cc -V 2>&1 | grep -q Sun; then
1818     cc_type=suncc
1819     cc_version="AV_STRINGIFY(__SUNPRO_C)"
1820     DEPEND_CMD='$(DEPCC) $(DEPFLAGS) $< | sed -e "1s,^.*: ,$@: ," -e "\$$!s,\$$, \\\," -e "1!s,^.*: , ," > $(@:.o=.d)'
1821     DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -xM1'
1822     speed_cflags='-O5'
1823     size_cflags='-O5 -xspace'
1824     filter_cflags=suncc_flags
1825     suncc_flags(){
1826         for flag; do
1827             case $flag in
1828                 -march=*|-mcpu=*)
1829                     case "${flag#*=}" in
1830                         native)                   echo -xtarget=native       ;;
1831                         v9|niagara)               echo -xarch=sparc          ;;
1832                         ultrasparc)               echo -xarch=sparcvis       ;;
1833                         ultrasparc3|niagara2)     echo -xarch=sparcvis2      ;;
1834                         i586|pentium)             echo -xchip=pentium        ;;
1835                         i686|pentiumpro|pentium2) echo -xtarget=pentium_pro  ;;
1836                         pentium3*|c3-2)           echo -xtarget=pentium3     ;;
1837                         pentium-m)          echo -xarch=sse2 -xchip=pentium3 ;;
1838                         pentium4*)          echo -xtarget=pentium4           ;;
1839                         prescott|nocona)    echo -xarch=sse3 -xchip=pentium4 ;;
1840                         *-sse3)             echo -xarch=sse3                 ;;
1841                         core2)              echo -xarch=ssse3 -xchip=core2   ;;
1842                         amdfam10|barcelona)       echo -xarch=sse4_1         ;;
1843                         athlon-4|athlon-[mx]p)    echo -xarch=ssea           ;;
1844                         k8|opteron|athlon64|athlon-fx)
1845                                                   echo -xarch=sse2a          ;;
1846                         athlon*)                  echo -xarch=pentium_proa   ;;
1847                     esac
1848                     ;;
1849                 -std=c99)             echo -xc99              ;;
1850                 -fomit-frame-pointer) echo -xregs=frameptr    ;;
1851                 -fPIC)                echo -KPIC -xcode=pic32 ;;
1852                 -W*,*)                echo $flag              ;;
1853                 -f*-*|-W*)                                    ;;
1854                 *)                    echo $flag              ;;
1855             esac
1856         done
1857     }
1858 fi
1859
1860 test -n "$cc_type" && enable $cc_type || echolog "Unknown C compiler $cc"
1861
1862 : ${as_default:=$cc}
1863 : ${dep_cc_default:=$cc}
1864 : ${ld_default:=$cc}
1865 set_default ar as dep_cc ld
1866
1867 test -n "$CC_DEPFLAGS" || CCDEP=$DEPEND_CMD
1868 test -n "$AS_DEPFLAGS" || ASDEP=$DEPEND_CMD
1869
1870 add_cflags $extra_cflags
1871 add_asflags $extra_cflags
1872
1873 if test -n "$sysroot"; then
1874     case "$cc_type" in
1875         gcc)
1876             add_cppflags --sysroot="$sysroot"
1877             add_ldflags --sysroot="$sysroot"
1878         ;;
1879         tms470)
1880             add_cppflags -I"$sysinclude"
1881             add_ldflags  --sysroot="$sysroot"
1882         ;;
1883         clang)
1884             add_cppflags -isysroot "$sysroot"
1885             add_ldflags -isysroot "$sysroot"
1886         ;;
1887     esac
1888 fi
1889
1890 if test "$cpu" = host; then
1891     enabled cross_compile && die "--cpu=host makes no sense when cross-compiling."
1892
1893     case "$cc_type" in
1894         gcc)
1895             check_native(){
1896                 $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return
1897                 sed -n "/$1=/{
1898                             s/.*$1=\\([^ ]*\\).*/\\1/
1899                             p
1900                             q
1901                         }" $TMPE
1902             }
1903             cpu=$(check_native -march || check_native -mcpu)
1904         ;;
1905     esac
1906
1907     test "${cpu:-host}" = host && die "--cpu=host not supported with compiler $cc"
1908 fi
1909
1910 # Deal with common $arch aliases
1911 case "$arch" in
1912     arm*)
1913         arch="arm"
1914     ;;
1915     mips|mipsel|IP*)
1916         arch="mips"
1917     ;;
1918     mips64*)
1919         arch="mips"
1920         subarch="mips64"
1921     ;;
1922     parisc|hppa)
1923         arch="parisc"
1924     ;;
1925     parisc64|hppa64)
1926         arch="parisc"
1927         subarch="parisc64"
1928     ;;
1929     "Power Macintosh"|ppc|powerpc)
1930         arch="ppc"
1931     ;;
1932     ppc64|powerpc64)
1933         arch="ppc"
1934         subarch="ppc64"
1935     ;;
1936     s390|s390x)
1937         arch="s390"
1938     ;;
1939     sh4|sh)
1940         arch="sh4"
1941     ;;
1942     sun4u|sparc64)
1943         arch="sparc"
1944         subarch="sparc64"
1945     ;;
1946     i[3-6]86|i86pc|BePC|x86_64|amd64)
1947         arch="x86"
1948     ;;
1949 esac
1950
1951 is_in $arch $ARCH_LIST || echo "WARNING: unknown arch $arch"
1952 enable $arch
1953
1954 # Add processor-specific flags
1955 if test "$cpu" = generic; then
1956     : do nothing
1957 elif enabled ppc; then
1958
1959     case $(tolower $cpu) in
1960         601|ppc601|powerpc601)
1961             cpuflags="-mcpu=601"
1962             disable altivec
1963         ;;
1964         603*|ppc603*|powerpc603*)
1965             cpuflags="-mcpu=603"
1966             disable altivec
1967         ;;
1968         604*|ppc604*|powerpc604*)
1969             cpuflags="-mcpu=604"
1970             disable altivec
1971         ;;
1972         g3|75*|ppc75*|powerpc75*)
1973             cpuflags="-mcpu=750 -mpowerpc-gfxopt"
1974             disable altivec
1975         ;;
1976         g4|745*|ppc745*|powerpc745*)
1977             cpuflags="-mcpu=7450 -mpowerpc-gfxopt"
1978         ;;
1979         74*|ppc74*|powerpc74*)
1980             cpuflags="-mcpu=7400 -mpowerpc-gfxopt"
1981         ;;
1982         g5|970|ppc970|powerpc970|power4*)
1983             cpuflags="-mcpu=970 -mpowerpc-gfxopt -mpowerpc64"
1984         ;;
1985         cell)
1986             cpuflags="-mcpu=cell"
1987             enable ldbrx
1988         ;;
1989         e500v2)
1990             cpuflags="-mcpu=8548 -mhard-float -mfloat-gprs=double"
1991             disable altivec
1992         ;;
1993         e500)
1994             cpuflags="-mcpu=8540 -mhard-float"
1995             disable altivec
1996         ;;
1997     esac
1998
1999 elif enabled x86; then
2000
2001     case $cpu in
2002         i[345]86|pentium)
2003             cpuflags="-march=$cpu"
2004             disable mmx
2005         ;;
2006         # targets that do NOT support conditional mov (cmov)
2007         pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
2008             cpuflags="-march=$cpu"
2009             disable cmov
2010         ;;
2011         # targets that do support conditional mov (cmov)
2012         i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64|k8|opteron|athlon-fx|core2|amdfam10)
2013             cpuflags="-march=$cpu"
2014             enable cmov
2015             enable fast_cmov
2016         ;;
2017         # targets that do support conditional mov but on which it's slow
2018         pentium4|pentium4m|prescott|nocona)
2019             cpuflags="-march=$cpu"
2020             enable cmov
2021             disable fast_cmov
2022         ;;
2023     esac
2024
2025 elif enabled sparc; then
2026
2027     case $cpu in
2028         niagara)
2029             cpuflags="-mcpu=$cpu"
2030             disable vis
2031         ;;
2032         sparc64)
2033             cpuflags="-mcpu=v9"
2034         ;;
2035     esac
2036
2037 elif enabled arm; then
2038
2039     case $cpu in
2040         armv*)
2041             cpuflags="-march=$cpu"
2042         ;;
2043         *)
2044             cpuflags="-mcpu=$cpu"
2045         ;;
2046     esac
2047
2048 elif enabled alpha; then
2049
2050     enabled ccc && cpuflags="-arch $cpu" || cpuflags="-mcpu=$cpu"
2051
2052 elif enabled bfin; then
2053
2054     cpuflags="-mcpu=$cpu"
2055
2056 elif enabled mips; then
2057
2058     cpuflags="-march=$cpu"
2059
2060 elif enabled avr32; then
2061
2062     case $cpu in
2063         ap7[02]0[0-2])
2064             subarch="avr32_ap"
2065             cpuflags="-mpart=$cpu"
2066         ;;
2067         ap)
2068             subarch="avr32_ap"
2069             cpuflags="-march=$cpu"
2070         ;;
2071         uc3[ab]*)
2072             subarch="avr32_uc"
2073             cpuflags="-mcpu=$cpu"
2074         ;;
2075         uc)
2076             subarch="avr32_uc"
2077             cpuflags="-march=$cpu"
2078         ;;
2079     esac
2080
2081 fi
2082
2083 add_cflags $cpuflags
2084 add_asflags $cpuflags
2085
2086 # compiler sanity check
2087 check_exec <<EOF
2088 int main(void){ return 0; }
2089 EOF
2090 if test "$?" != 0; then
2091     echo "$cc is unable to create an executable file."
2092     if test -z "$cross_prefix" && ! enabled cross_compile ; then
2093         echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
2094         echo "Only do this if you know what cross compiling means."
2095     fi
2096     die "C compiler test failed."
2097 fi
2098
2099 add_cppflags -D_ISOC99_SOURCE -D_POSIX_C_SOURCE=200112
2100 check_cflags -std=c99
2101 check_cc -D_FILE_OFFSET_BITS=64 <<EOF && add_cppflags -D_FILE_OFFSET_BITS=64
2102 #include <stdlib.h>
2103 EOF
2104 check_cc -D_LARGEFILE_SOURCE <<EOF && add_cppflags -D_LARGEFILE_SOURCE
2105 #include <stdlib.h>
2106 EOF
2107
2108 check_host_cflags -std=c99
2109
2110 case "$arch" in
2111     alpha|ia64|mips|parisc|sparc)
2112         spic=$shared
2113     ;;
2114     x86)
2115         subarch="x86_32"
2116         check_cc <<EOF && subarch="x86_64"
2117         int test[(int)sizeof(char*) - 7];
2118 EOF
2119         if test "$subarch" = "x86_64"; then
2120             spic=$shared
2121         fi
2122     ;;
2123 esac
2124
2125 enable $subarch
2126 enabled spic && enable pic
2127
2128 # OS specific
2129 case $target_os in
2130     haiku)
2131         prefix_default="/boot/common"
2132         network_extralibs="-lnetwork"
2133         ;;
2134     sunos)
2135         FFSERVERLDFLAGS=""
2136         SHFLAGS='-shared -Wl,-h,$$(@F)'
2137         enabled x86 && SHFLAGS="-mimpure-text $SHFLAGS"
2138         network_extralibs="-lsocket -lnsl"
2139         add_cppflags -D__EXTENSIONS__
2140         nm_opts='-P -g'
2141         ;;
2142     netbsd)
2143         oss_indev_extralibs="-lossaudio"
2144         oss_outdev_extralibs="-lossaudio"
2145         add_cppflags -D_XOPEN_SOURCE=600
2146         ;;
2147     openbsd)
2148         enable malloc_aligned
2149         # On OpenBSD 4.5. the compiler does not use PIC unless
2150         # explicitly using -fPIC. FFmpeg builds fine without PIC,
2151         # however the generated executable will not do anything
2152         # (simply quits with exit-code 1, no crash, no output).
2153         # Thus explicitly enable PIC here.
2154         enable pic
2155         SHFLAGS='-shared'
2156         oss_indev_extralibs="-lossaudio"
2157         oss_outdev_extralibs="-lossaudio"
2158         ;;
2159     freebsd|dragonfly)
2160         enable malloc_aligned
2161         ;;
2162     bsd/os)
2163         osextralibs="-lpoll -lgnugetopt"
2164         strip="strip -d"
2165         ;;
2166     darwin)
2167         enable malloc_aligned
2168         SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(SHLIBDIR)/$(SLIBNAME),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR) -Wl,-read_only_relocs,suppress'
2169         strip="strip -x"
2170         FFLDFLAGS="-Wl,-dynamic,-search_paths_first"
2171         SLIBSUF=".dylib"
2172         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'
2173         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'
2174         FFSERVERLDFLAGS=-Wl,-bind_at_load
2175         objformat="macho"
2176         enabled x86_64 && objformat="macho64"
2177         enabled_any pic shared ||
2178             { check_cflags -mdynamic-no-pic && add_asflags -mdynamic-no-pic; }
2179         ;;
2180     mingw32*)
2181         if test $target_os = "mingw32ce"; then
2182             disable network
2183         else
2184             target_os=mingw32
2185         fi
2186         LIBTARGET=i386
2187         if enabled x86_64; then
2188             enable malloc_aligned
2189             LIBTARGET=x64
2190         elif enabled arm; then
2191             LIBTARGET=arm
2192         fi
2193         shlibdir_default="$bindir_default"
2194         disable ffserver
2195         SLIBPREF=""
2196         SLIBSUF=".dll"
2197         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
2198         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
2199         SLIB_EXTRA_CMD='-lib.exe /machine:$(LIBTARGET) /def:$$(@:$(SLIBSUF)=.def) /out:$(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib)'
2200         SLIB_INSTALL_EXTRA_CMD='-install -m 644 $(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib) "$(SHLIBDIR)/$(SLIBNAME:$(SLIBSUF)=.lib)"; \
2201             install -m 644 $(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib) "$(SHLIBDIR)/$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib)"; \
2202             install -d "$(LIBDIR)"; \
2203             install -m 644 $(SUBDIR)lib$(SLIBNAME:$(SLIBSUF)=.dll.a) "$(LIBDIR)/lib$(SLIBNAME:$(SLIBSUF)=.dll.a)"'
2204         SLIB_UNINSTALL_EXTRA_CMD='rm -f "$(SHLIBDIR)/$(SLIBNAME:$(SLIBSUF)=.lib)"'
2205         SHFLAGS='-shared -Wl,--output-def,$$(@:$(SLIBSUF)=.def) -Wl,--out-implib,$(SUBDIR)lib$(SLIBNAME:$(SLIBSUF)=.dll.a) -Wl,--enable-runtime-pseudo-reloc -Wl,--enable-auto-image-base'
2206         objformat="win32"
2207         enable dos_paths
2208         check_cflags -fno-common
2209         if ! enabled x86_64; then
2210             check_cpp_condition _mingw.h "(__MINGW32_MAJOR_VERSION > 3) || (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" ||
2211                 die "ERROR: MinGW runtime version must be >= 3.15."
2212             enabled_any avisynth vfwcap_indev &&
2213                 { check_cpp_condition w32api.h "(__W32API_MAJOR_VERSION > 3) || (__W32API_MAJOR_VERSION == 3 && __W32API_MINOR_VERSION >= 13)" ||
2214                   die "ERROR: avisynth and vfwcap_indev require w32api version 3.13 or later."; }
2215         fi
2216         ;;
2217     cygwin*)
2218         target_os=cygwin
2219         shlibdir_default="$bindir_default"
2220         SLIBPREF="cyg"
2221         SLIBSUF=".dll"
2222         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
2223         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
2224         SHFLAGS='-shared -Wl,--enable-auto-image-base'
2225         objformat="win32"
2226         enable dos_paths
2227         check_cflags -fno-common
2228         ;;
2229     *-dos|freedos|opendos)
2230         disable ffplay ffserver
2231         disable $INDEV_LIST $OUTDEV_LIST
2232         network_extralibs="-lsocket"
2233         objformat="coff"
2234         enable dos_paths
2235         ;;
2236     linux)
2237         enable dv1394
2238         ;;
2239     irix*)
2240         target_os=irix
2241         ranlib="echo ignoring ranlib"
2242         ;;
2243     os/2*)
2244         strip="lxlite"
2245         ln_s="cp -f"
2246         FFLDFLAGS="-Zomf -Zbin-files -Zargs-wild -Zmap"
2247         SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'
2248         FFSERVERLDFLAGS=""
2249         LIBSUF="_s.a"
2250         SLIBPREF=""
2251         SLIBSUF=".dll"
2252         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
2253         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(NAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'
2254         SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(NAME).def; \
2255           echo PROTMODE >> $(SUBDIR)$(NAME).def; \
2256           echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(NAME).def; \
2257           echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(NAME).def; \
2258           echo EXPORTS >> $(SUBDIR)$(NAME).def; \
2259           emxexp -o $(OBJS) >> $(SUBDIR)$(NAME).def'
2260         SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(NAME).def; \
2261           emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib $(SUBDIR)$(NAME).def;'
2262         SLIB_INSTALL_EXTRA_CMD='install -m 644 $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib "$(LIBDIR)"'
2263         SLIB_UNINSTALL_EXTRA_CMD='rm -f "$(LIBDIR)"/$(LIBPREF)$(NAME)_dll.a "$(LIBDIR)"/$(LIBPREF)$(NAME)_dll.lib'
2264         enable dos_paths
2265         ;;
2266     gnu/kfreebsd)
2267         ;;
2268     gnu)
2269         ;;
2270     none)
2271         ;;
2272     *)
2273         die "Unknown OS '$target_os'."
2274         ;;
2275 esac
2276
2277 check_cpp_condition stdlib.h "defined(__PIC__) || defined(__pic__) || defined(PIC)" && enable pic
2278
2279 set_default $PATHS_LIST
2280
2281 add_extralibs $osextralibs
2282
2283 # Combine FFLDFLAGS and the LDFLAGS environment variable.
2284 LDFLAGS="$FFLDFLAGS $LDFLAGS"
2285
2286 # we need to build at least one lib type
2287 if ! enabled_any static shared; then
2288     cat <<EOF
2289 At least one library type must be built.
2290 Specify --enable-static to build the static libraries or --enable-shared to
2291 build the shared libraries as well. To only build the shared libraries specify
2292 --disable-static in addition to --enable-shared.
2293 EOF
2294     exit 1;
2295 fi
2296
2297 disabled static && LIBNAME=""
2298
2299 if enabled_any libfaad libfaadbin ; then
2300     if check_header faad.h; then
2301         check_cc <<EOF
2302 #include <faad.h>
2303 #ifndef FAAD2_VERSION
2304 ok faad1
2305 #endif
2306 int main(void) { return 0; }
2307 EOF
2308         test $? = 0 && enable libfaad2
2309     else
2310         die "FAAD test failed."
2311     fi
2312 fi
2313
2314
2315 die_license_disabled() {
2316     enabled $1 || { enabled $2 && die "$2 is $1 and --enable-$1 is not specified."; }
2317 }
2318
2319 die_license_disabled gpl libfaad2
2320 die_license_disabled gpl libx264
2321 die_license_disabled gpl libxvid
2322 die_license_disabled gpl postproc
2323 die_license_disabled gpl x11grab
2324
2325 die_license_disabled nonfree libfaac
2326
2327 die_license_disabled version3 libopencore_amrnb
2328 die_license_disabled version3 libopencore_amrwb
2329
2330 enabled version3 && { enabled gpl && enable gplv3 || enable lgplv3; }
2331
2332 check_deps $ARCH_EXT_LIST
2333
2334 disabled optimizations || check_cflags -fomit-frame-pointer
2335
2336 enable_pic() {
2337     enable pic
2338     add_cppflags -DPIC
2339     add_cflags   -fPIC
2340     add_asflags  -fPIC
2341 }
2342
2343 enabled pic && enable_pic
2344
2345 check_cc <<EOF || die "Symbol mangling check failed."
2346 int ff_extern;
2347 EOF
2348 sym=$($nm $nm_opts $TMPO | awk '/ff_extern/{ print substr($0, match($0, /[^ \t]*ff_extern/)) }')
2349 extern_prefix=${sym%%ff_extern*}
2350
2351 check_cc <<EOF && enable inline_asm
2352 void foo(void) { __asm__ volatile ("" ::); }
2353 EOF
2354
2355 _restrict=
2356 for restrict_keyword in restrict __restrict__ __restrict; do
2357     check_cc <<EOF && _restrict=$restrict_keyword && break
2358 void foo(char * $restrict_keyword p);
2359 EOF
2360 done
2361
2362 check_cc <<EOF && enable attribute_packed
2363 struct { int x; } __attribute__((packed)) x;
2364 EOF
2365
2366 check_cc <<EOF && enable attribute_may_alias
2367 union { int x; } __attribute__((may_alias)) x;
2368 EOF
2369
2370 check_cc <<EOF || die "endian test failed"
2371 unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';
2372 EOF
2373 od -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian
2374
2375 if enabled alpha; then
2376
2377     check_cflags -mieee
2378
2379 elif enabled arm; then
2380
2381     check_cflags -marm
2382
2383     check_ld <<EOF && enable vfp_args
2384 __asm__ (".eabi_attribute 28, 1");
2385 int main(void) { return 0; }
2386 EOF
2387
2388     # We have to check if pld is a nop and disable it.
2389     check_asm pld '"pld [r0]"'
2390
2391     enabled armv5te && check_asm armv5te '"qadd r0, r0, r0"'
2392     enabled armv6   && check_asm armv6   '"sadd16 r0, r0, r0"'
2393     enabled armv6t2 && check_asm armv6t2 '"movt r0, #0"'
2394     enabled armvfp  && check_asm armvfp  '"fadds s0, s0, s0"'
2395     enabled iwmmxt  && check_asm iwmmxt  '"wunpckelub wr6, wr4"'
2396     enabled neon    && check_asm neon    '"vadd.i16 q0, q0, q0"'
2397
2398     enabled_all armv6t2 shared !pic && enable_pic
2399
2400 elif enabled mips; then
2401
2402     check_asm loongson '"dmult.g $1, $2, $3"'
2403     enabled mmi     && check_asm mmi     '"lq $2, 0($2)"'
2404
2405 elif enabled ppc; then
2406
2407     enable local_aligned_8 local_aligned_16
2408
2409     check_asm dcbzl     '"dcbzl 0, 1"'
2410     check_asm ppc4xx    '"maclhw r10, r11, r12"'
2411     check_asm xform_asm '"lwzx %1, %y0" :: "Z"(*(int*)0), "r"(0)'
2412
2413     # AltiVec flags: The FSF version of GCC differs from the Apple version
2414     if enabled altivec; then
2415         check_cflags -maltivec -mabi=altivec &&
2416         { check_header altivec.h && inc_altivec_h="#include <altivec.h>" ; } ||
2417         check_cflags -faltivec
2418
2419         # check if our compiler supports Motorola AltiVec C API
2420         check_cc <<EOF || disable altivec
2421 $inc_altivec_h
2422 int main(void) {
2423     vector signed int v1, v2, v3;
2424     v1 = vec_add(v2,v3);
2425     return 0;
2426 }
2427 EOF
2428
2429         # check if our compiler supports braces for vector declarations
2430         check_cc <<EOF || die "You need a compiler that supports {} in AltiVec vector declarations."
2431 $inc_altivec_h
2432 int main (void) { (vector int) {1}; return 0; }
2433 EOF
2434     fi
2435
2436 elif enabled sparc; then
2437
2438     enabled vis && check_asm vis '"pdist %f0, %f0, %f0"' -mcpu=ultrasparc &&
2439         add_cflags -mcpu=ultrasparc -mtune=ultrasparc
2440
2441 elif enabled x86; then
2442
2443     enable local_aligned_8 local_aligned_16
2444
2445     # check whether EBP is available on x86
2446     # As 'i' is stored on the stack, this program will crash
2447     # if the base pointer is used to access it because the
2448     # base pointer is cleared in the inline assembly code.
2449     check_exec_crash <<EOF && enable ebp_available
2450     volatile int i=0;
2451     __asm__ volatile (
2452         "xorl %%ebp, %%ebp"
2453     ::: "%ebp");
2454     return i;
2455 EOF
2456
2457     # check whether EBX is available on x86
2458     check_asm ebx_available '""::"b"(0)' &&
2459         check_asm ebx_available '"":::"%ebx"'
2460
2461     # check whether more than 10 operands are supported
2462     check_cc <<EOF && enable ten_operands
2463 int main(void) {
2464     int x=0;
2465     __asm__ volatile(
2466         ""
2467         :"+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x)
2468     );
2469     return 0;
2470 }
2471 EOF
2472
2473     # check whether binutils is new enough to compile SSSE3/MMX2
2474     enabled ssse3 && check_asm ssse3 '"pabsw %xmm0, %xmm0"'
2475     enabled mmx2  && check_asm mmx2  '"pmaxub %mm0, %mm1"'
2476
2477     check_asm bswap '"bswap %%eax" ::: "%eax"'
2478
2479     YASMFLAGS="-f $objformat -DARCH_$(toupper $subarch)"
2480     enabled     x86_64        && append YASMFLAGS "-m amd64"
2481     enabled     pic           && append YASMFLAGS "-DPIC"
2482     test -n "$extern_prefix"  && append YASMFLAGS "-DPREFIX"
2483     case "$objformat" in
2484         elf) enabled debug && append YASMFLAGS "-g dwarf2" ;;
2485     esac
2486     disabled yasm || { check_yasm "pabsw xmm0, xmm0" && enable yasm; }
2487
2488     case "$cpu" in
2489         athlon*|opteron*|k8*|pentium|pentium-mmx|prescott|nocona|atom|geode)
2490             disable fast_clz
2491         ;;
2492     esac
2493
2494 fi
2495
2496 if check_func dlopen; then
2497     ldl=
2498 elif check_func dlopen -ldl; then
2499     ldl=-ldl
2500 fi
2501
2502 # Solaris has nanosleep in -lrt, OpenSolaris no longer needs that
2503 check_func nanosleep || { check_func nanosleep -lrt && add_extralibs -lrt; }
2504
2505 check_func  fork
2506 check_func  getaddrinfo $network_extralibs
2507 check_func  gethrtime
2508 check_func  getrusage
2509 check_struct "sys/time.h sys/resource.h" "struct rusage" ru_maxrss
2510 check_func  inet_aton $network_extralibs
2511 check_func  isatty
2512 check_func  ${malloc_prefix}memalign            && enable memalign
2513 check_func  mkstemp
2514 check_func  ${malloc_prefix}posix_memalign      && enable posix_memalign
2515 check_func  setrlimit
2516 check_func  strerror_r
2517 check_func_headers io.h setmode
2518 check_func_headers lzo/lzo1x.h lzo1x_999_compress
2519 check_lib2 "windows.h psapi.h" GetProcessMemoryInfo -lpsapi
2520 check_func_headers windows.h GetProcessTimes
2521 check_func_headers windows.h VirtualAlloc
2522
2523 check_header conio.h
2524 check_header dlfcn.h
2525 check_header dxva2api.h
2526 check_header malloc.h
2527 check_header poll.h
2528 check_header sys/mman.h
2529 check_header sys/resource.h
2530 check_header sys/select.h
2531 check_header termios.h
2532 check_header vdpau/vdpau.h
2533 check_header vdpau/vdpau_x11.h
2534 check_header X11/extensions/XvMClib.h
2535
2536 check_struct dxva2api.h DXVA_PictureParameters wDecodedPictureIndex
2537
2538 if ! enabled_any memalign memalign_hack posix_memalign malloc_aligned &&
2539      enabled_any $need_memalign ; then
2540     die "Error, no aligned memory allocator but SSE enabled, disable it or use --enable-memalign-hack."
2541 fi
2542
2543 disabled  zlib || check_lib   zlib.h      zlibVersion -lz   || disable  zlib
2544 disabled bzlib || check_lib2 bzlib.h BZ2_bzlibVersion -lbz2 || disable bzlib
2545
2546 # check for some common methods of building with pthread support
2547 # do this before the optional library checks as some of them require pthreads
2548 if enabled pthreads; then
2549     if check_func pthread_create; then
2550         :
2551     elif check_func pthread_create -pthread; then
2552         add_cflags -pthread
2553         add_extralibs -pthread
2554     elif check_func pthread_create -pthreads; then
2555         add_cflags -pthreads
2556         add_extralibs -pthreads
2557     elif check_func pthread_create -lpthreadGC2; then
2558         add_extralibs -lpthreadGC2
2559     elif ! check_lib pthread.h pthread_create -lpthread; then
2560         die "ERROR: can't find pthreads library"
2561     fi
2562 fi
2563
2564 for thread in $THREADS_LIST; do
2565     if enabled $thread; then
2566         test -n "$thread_type" &&
2567             die "ERROR: Only one thread type must be selected." ||
2568             thread_type="$thread"
2569     fi
2570 done
2571
2572 check_lib math.h sin -lm
2573 disabled vaapi || check_lib va/va.h vaInitialize -lva
2574
2575 check_mathfunc exp2
2576 check_mathfunc exp2f
2577 check_mathfunc llrint
2578 check_mathfunc llrintf
2579 check_mathfunc log2
2580 check_mathfunc log2f
2581 check_mathfunc lrint
2582 check_mathfunc lrintf
2583 check_mathfunc round
2584 check_mathfunc roundf
2585 check_mathfunc truncf
2586
2587 # these are off by default, so fail if requested and not available
2588 enabled avisynth   && require2 vfw32 "windows.h vfw.h" AVIFileInit -lavifil32
2589 enabled libdirac   && add_cflags $(pkg-config --cflags dirac) &&
2590                       require  libdirac libdirac_decoder/dirac_parser.h dirac_decoder_init $(pkg-config --libs dirac) &&
2591                       require  libdirac libdirac_encoder/dirac_encoder.h dirac_encoder_init $(pkg-config --libs dirac)
2592 enabled libfaac    && require2 libfaac "stdint.h faac.h" faacEncGetVersion -lfaac
2593 enabled libfaad    && require2 libfaad faad.h faacDecOpen -lfaad
2594 enabled libgsm     && require  libgsm gsm/gsm.h gsm_create -lgsm
2595 enabled libmp3lame && require  libmp3lame lame/lame.h lame_init -lmp3lame -lm
2596 enabled libnut     && require  libnut libnut.h nut_demuxer_init -lnut
2597 enabled libopencore_amrnb  && require libopencore_amrnb opencore-amrnb/interf_dec.h Decoder_Interface_init -lopencore-amrnb -lm
2598 enabled libopencore_amrwb  && require libopencore_amrwb opencore-amrwb/dec_if.h D_IF_init -lopencore-amrwb -lm
2599 enabled libopenjpeg && require libopenjpeg openjpeg.h opj_version -lopenjpeg
2600 enabled librtmp    && require  librtmp librtmp/rtmp.h RTMP_Init $(pkg-config --libs librtmp)
2601 enabled libschroedinger && add_cflags $(pkg-config --cflags schroedinger-1.0) &&
2602                            require libschroedinger schroedinger/schro.h schro_init $(pkg-config --libs schroedinger-1.0)
2603 enabled libspeex   && require  libspeex speex/speex.h speex_decoder_init -lspeex
2604 enabled libtheora  && require  libtheora theora/theoraenc.h th_info_init -ltheoraenc -ltheoradec -logg
2605 enabled libvorbis  && require  libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbisenc -lvorbis -logg
2606 enabled libvpx     && require2 libvpx "vpx/vpx_decoder.h vpx/vp8dx.h" "vpx_codec_dec_init_ver" -lvpx &&
2607                       require2 libvpx "vpx/vpx_encoder.h vpx/vp8cx.h" "vpx_codec_enc_init_ver" -lvpx
2608 enabled libx264    && require  libx264 x264.h x264_encoder_encode -lx264 -lm &&
2609                       { check_cpp_condition x264.h "X264_BUILD >= 98" ||
2610                         die "ERROR: libx264 version must be >= 0.98."; }
2611 enabled libxvid    && require  libxvid xvid.h xvid_global -lxvidcore
2612 enabled mlib       && require  mediaLib mlib_types.h mlib_VectorSub_S16_U8_Mod -lmlib
2613
2614 # libdc1394 check
2615 if enabled libdc1394; then
2616     { check_lib dc1394/dc1394.h dc1394_new -ldc1394 -lraw1394 &&
2617         enable libdc1394_2; } ||
2618     { check_lib libdc1394/dc1394_control.h dc1394_create_handle -ldc1394_control -lraw1394 &&
2619         enable libdc1394_1; } ||
2620     die "ERROR: No version of libdc1394 found "
2621 fi
2622
2623 SDL_CONFIG="${cross_prefix}sdl-config"
2624 if "${SDL_CONFIG}" --version > /dev/null 2>&1; then
2625     sdl_cflags=$("${SDL_CONFIG}" --cflags)
2626     sdl_libs=$("${SDL_CONFIG}" --libs)
2627     check_func_headers SDL.h SDL_Init $sdl_cflags $sdl_libs &&
2628     check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x010201" $sdl_cflags &&
2629     enable sdl &&
2630     check_struct SDL.h SDL_VideoInfo current_w $sdl_cflags && enable sdl_video_size
2631 fi
2632
2633 texi2html -version > /dev/null 2>&1 && enable texi2html || disable texi2html
2634
2635 if enabled network; then
2636     check_type "sys/types.h sys/socket.h" socklen_t
2637     check_type netdb.h "struct addrinfo"
2638     check_type netinet/in.h "struct ipv6_mreq"
2639     check_type netinet/in.h "struct sockaddr_in6"
2640     check_type "sys/types.h sys/socket.h" "struct sockaddr_storage"
2641     check_struct "sys/types.h sys/socket.h" "struct sockaddr" sa_len
2642     # Prefer arpa/inet.h over winsock2
2643     if check_header arpa/inet.h ; then
2644         check_func closesocket
2645     elif check_header winsock2.h ; then
2646         check_func_headers winsock2.h closesocket -lws2 && \
2647             network_extralibs="-lws2" || \
2648         { check_func_headers winsock2.h closesocket -lws2_32 && \
2649             network_extralibs="-lws2_32"; }
2650         check_type ws2tcpip.h socklen_t
2651         check_type ws2tcpip.h "struct addrinfo"
2652         check_type ws2tcpip.h "struct ipv6_mreq"
2653         check_type ws2tcpip.h "struct sockaddr_in6"
2654         check_type ws2tcpip.h "struct sockaddr_storage"
2655         check_struct winsock2.h "struct sockaddr" sa_len
2656     else
2657         disable network
2658     fi
2659 fi
2660
2661 check_header linux/videodev.h
2662 check_header linux/videodev2.h
2663 check_header sys/videoio.h
2664
2665 check_func_headers "windows.h vfw.h" capCreateCaptureWindow "$vfwcap_indev_extralibs"
2666
2667 # check for ioctl_meteor.h, ioctl_bt848.h and alternatives
2668 { check_header dev/bktr/ioctl_meteor.h &&
2669   check_header dev/bktr/ioctl_bt848.h; } ||
2670 { check_header machine/ioctl_meteor.h &&
2671   check_header machine/ioctl_bt848.h; } ||
2672 { check_header dev/video/meteor/ioctl_meteor.h &&
2673   check_header dev/video/bktr/ioctl_bt848.h; } ||
2674 check_header dev/ic/bt8xx.h
2675
2676 check_header sys/soundcard.h
2677 check_header soundcard.h
2678
2679 enabled_any alsa_indev alsa_outdev && check_lib2 alsa/asoundlib.h snd_pcm_htimestamp -lasound
2680
2681 enabled jack_indev && check_lib2 jack/jack.h jack_client_open -ljack
2682
2683 enabled x11grab                         &&
2684 check_header X11/Xlib.h                 &&
2685 check_header X11/extensions/XShm.h      &&
2686 check_header X11/extensions/Xfixes.h    &&
2687 check_func XOpenDisplay -lX11           &&
2688 check_func XShmCreateImage -lX11 -lXext &&
2689 check_func XFixesGetCursorImage -lX11 -lXext -lXfixes
2690
2691 if ! disabled vdpau && enabled vdpau_vdpau_h; then
2692 check_cpp_condition \
2693     vdpau/vdpau.h "defined VDP_DECODER_PROFILE_MPEG4_PART2_ASP" ||
2694     { echolog "Please upgrade to libvdpau >= 0.2 if you would like vdpau support." &&
2695       disable vdpau; }
2696 fi
2697
2698 enabled debug && add_cflags -g"$debuglevel" && add_asflags -g"$debuglevel"
2699
2700 # add some useful compiler flags if supported
2701 check_cflags -Wdeclaration-after-statement
2702 check_cflags -Wall
2703 check_cflags -Wno-switch
2704 check_cflags -Wdisabled-optimization
2705 check_cflags -Wpointer-arith
2706 check_cflags -Wredundant-decls
2707 check_cflags -Wno-pointer-sign
2708 check_cflags -Wcast-qual
2709 check_cflags -Wwrite-strings
2710 check_cflags -Wtype-limits
2711 check_cflags -Wundef
2712 check_cflags -Wmissing-prototypes
2713 enabled extra_warnings && check_cflags -Winline
2714
2715 # add some linker flags
2716 check_ldflags -Wl,--warn-common
2717 check_ldflags -Wl,--as-needed
2718 check_ldflags '-Wl,-rpath-link,\$(BUILD_ROOT)/libpostproc -Wl,-rpath-link,\$(BUILD_ROOT)/libswscale -Wl,-rpath-link,\$(BUILD_ROOT)/libavfilter -Wl,-rpath-link,\$(BUILD_ROOT)/libavdevice -Wl,-rpath-link,\$(BUILD_ROOT)/libavformat -Wl,-rpath-link,\$(BUILD_ROOT)/libavcodec -Wl,-rpath-link,\$(BUILD_ROOT)/libavutil'
2719 check_ldflags -Wl,-Bsymbolic
2720
2721 echo "X{};" > $TMPV
2722 if test_ldflags -Wl,--version-script,$TMPV; then
2723     append SHFLAGS '-Wl,--version-script,\$(SUBDIR)lib\$(NAME).ver'
2724     check_cc <<EOF && enable symver_asm_label
2725 void ff_foo(void) __asm__ ("av_foo@VERSION");
2726 void ff_foo(void) {}
2727 EOF
2728     check_cc <<EOF && enable symver_gnu_asm
2729 __asm__(".symver ff_foo,av_foo@VERSION");
2730 void ff_foo(void) {}
2731 EOF
2732 fi
2733
2734 if enabled small; then
2735     add_cflags $size_cflags
2736     optimizations="small"
2737 elif enabled optimizations; then
2738     add_cflags $speed_cflags
2739 else
2740     add_cflags $noopt_cflags
2741 fi
2742 check_cflags -fno-math-errno
2743 check_cflags -fno-signed-zeros
2744
2745 if enabled icc; then
2746     # Just warnings, no remarks
2747     check_cflags -w1
2748     # -wd: Disable following warnings
2749     # 144, 167, 556: -Wno-pointer-sign
2750     # 10006: ignoring unknown option -fno-signed-zeros
2751     # 10156: ignoring option '-W'; no argument required
2752     check_cflags -wd144,167,556,10006,10156
2753     # 11030: Warning unknown option --as-needed
2754     # 10156: ignoring option '-export'; no argument required
2755     check_ldflags -wd10156,11030
2756     # Allow to compile with optimizations
2757     check_ldflags -march=$cpu
2758     # icc 11.0 and 11.1 work with ebp_available, but don't pass the test
2759     enable ebp_available
2760 elif enabled ccc; then
2761     # disable some annoying warnings
2762     add_cflags -msg_disable cvtu32to64
2763     add_cflags -msg_disable embedcomment
2764     add_cflags -msg_disable needconstext
2765     add_cflags -msg_disable nomainieee
2766     add_cflags -msg_disable ptrmismatch1
2767     add_cflags -msg_disable unreachcode
2768 elif enabled gcc; then
2769     check_cflags -fno-tree-vectorize
2770     check_cflags -Werror=implicit
2771     check_cflags -Werror=missing-prototypes
2772 elif enabled clang; then
2773     check_cflags -Qunused-arguments
2774 elif enabled armcc; then
2775     # 2523: use of inline assembler is deprecated
2776     add_cflags -Wrvct,--diag_suppress=2523
2777     add_cflags -Wrvct,--diag_suppress=1207
2778 elif enabled tms470; then
2779     add_cflags -pds=824 -pds=837
2780 fi
2781
2782 if enabled gprof; then
2783     add_cflags  -p
2784     add_ldflags -p
2785 fi
2786
2787 enabled_any $THREADS_LIST      && enable threads
2788
2789 check_deps $CONFIG_LIST       \
2790            $CONFIG_EXTRA      \
2791            $HAVE_LIST         \
2792            $DECODER_LIST      \
2793            $ENCODER_LIST      \
2794            $HWACCEL_LIST      \
2795            $PARSER_LIST       \
2796            $BSF_LIST          \
2797            $DEMUXER_LIST      \
2798            $MUXER_LIST        \
2799            $FILTER_LIST       \
2800            $INDEV_LIST        \
2801            $OUTDEV_LIST       \
2802            $PROTOCOL_LIST     \
2803
2804 enabled asm || { arch=c; disable $ARCH_LIST $ARCH_EXT_LIST; }
2805
2806 echo "install prefix            $prefix"
2807 echo "source path               $source_path"
2808 echo "C compiler                $cc"
2809 echo "ARCH                      $arch ($cpu)"
2810 if test "$build_suffix" != ""; then
2811     echo "build suffix              $build_suffix"
2812 fi
2813 if test "$extra_version" != ""; then
2814     echo "version string suffix     $extra_version"
2815 fi
2816 echo "big-endian                ${bigendian-no}"
2817 echo "runtime cpu detection     ${runtime_cpudetect-no}"
2818 if enabled x86; then
2819     echo "yasm                      ${yasm-no}"
2820     echo "MMX enabled               ${mmx-no}"
2821     echo "MMX2 enabled              ${mmx2-no}"
2822     echo "3DNow! enabled            ${amd3dnow-no}"
2823     echo "3DNow! extended enabled   ${amd3dnowext-no}"
2824     echo "SSE enabled               ${sse-no}"
2825     echo "SSSE3 enabled             ${ssse3-no}"
2826     echo "CMOV enabled              ${cmov-no}"
2827     echo "CMOV is fast              ${fast_cmov-no}"
2828     echo "EBX available             ${ebx_available-no}"
2829     echo "EBP available             ${ebp_available-no}"
2830     echo "10 operands supported     ${ten_operands-no}"
2831 fi
2832 if enabled arm; then
2833     echo "ARMv5TE enabled           ${armv5te-no}"
2834     echo "ARMv6 enabled             ${armv6-no}"
2835     echo "ARMv6T2 enabled           ${armv6t2-no}"
2836     echo "ARM VFP enabled           ${armvfp-no}"
2837     echo "IWMMXT enabled            ${iwmmxt-no}"
2838     echo "NEON enabled              ${neon-no}"
2839 fi
2840 if enabled mips; then
2841     echo "MMI enabled               ${mmi-no}"
2842 fi
2843 if enabled ppc; then
2844     echo "AltiVec enabled           ${altivec-no}"
2845     echo "PPC 4xx optimizations     ${ppc4xx-no}"
2846     echo "dcbzl available           ${dcbzl-no}"
2847     echo "performance report        ${powerpc_perf-no}"
2848 fi
2849 if enabled sparc; then
2850     echo "VIS enabled               ${vis-no}"
2851 fi
2852 echo "gprof enabled             ${gprof-no}"
2853 echo "debug symbols             ${debug-no}"
2854 echo "strip symbols             ${stripping-no}"
2855 echo "optimizations             ${optimizations-no}"
2856 echo "static                    ${static-no}"
2857 echo "shared                    ${shared-no}"
2858 echo "postprocessing support    ${postproc-no}"
2859 echo "new filter support        ${avfilter-no}"
2860 echo "filters using lavformat   ${avfilter_lavf-no}"
2861 echo "network support           ${network-no}"
2862 echo "threading support         ${thread_type-no}"
2863 echo "SDL support               ${sdl-no}"
2864 echo "Sun medialib support      ${mlib-no}"
2865 echo "AVISynth enabled          ${avisynth-no}"
2866 echo "libdc1394 support         ${libdc1394-no}"
2867 echo "libdirac enabled          ${libdirac-no}"
2868 echo "libfaac enabled           ${libfaac-no}"
2869 echo "libfaad enabled           ${libfaad-no}"
2870 echo "libfaad dlopened          ${libfaadbin-no}"
2871 echo "libgsm enabled            ${libgsm-no}"
2872 echo "libmp3lame enabled        ${libmp3lame-no}"
2873 echo "libnut enabled            ${libnut-no}"
2874 echo "libopencore-amrnb support ${libopencore_amrnb-no}"
2875 echo "libopencore-amrwb support ${libopencore_amrwb-no}"
2876 echo "libopenjpeg enabled       ${libopenjpeg-no}"
2877 echo "librtmp enabled           ${librtmp-no}"
2878 echo "libschroedinger enabled   ${libschroedinger-no}"
2879 echo "libspeex enabled          ${libspeex-no}"
2880 echo "libtheora enabled         ${libtheora-no}"
2881 echo "libvorbis enabled         ${libvorbis-no}"
2882 echo "libvpx enabled            ${libvpx-no}"
2883 echo "libx264 enabled           ${libx264-no}"
2884 echo "libxvid enabled           ${libxvid-no}"
2885 echo "zlib enabled              ${zlib-no}"
2886 echo "bzlib enabled             ${bzlib-no}"
2887 echo
2888
2889 for type in decoder encoder hwaccel parser demuxer muxer protocol filter bsf indev outdev; do
2890     echo "Enabled ${type}s:"
2891     eval list=\$$(toupper $type)_LIST
2892     for part in $list; do
2893         enabled $part && echo ${part%_*}
2894     done | sort | pr -3 -t
2895     echo
2896 done
2897
2898 license="LGPL version 2.1 or later"
2899 if enabled nonfree; then
2900     license="nonfree and unredistributable"
2901 elif enabled gplv3; then
2902     license="GPL version 3 or later"
2903 elif enabled lgplv3; then
2904     license="LGPL version 3 or later"
2905 elif enabled gpl; then
2906     license="GPL version 2 or later"
2907 fi
2908
2909 echo "License: $license"
2910
2911 echo "Creating config.mak and config.h..."
2912
2913 # build tree in object directory if source path is different from current one
2914 if enabled source_path_used; then
2915     DIRS="
2916         doc
2917         libavcodec
2918         libavcodec/$arch
2919         libavdevice
2920         libavfilter
2921         libavformat
2922         libavutil
2923         libavutil/$arch
2924         libpostproc
2925         libswscale
2926         libswscale/$arch
2927         tests
2928         tools
2929     "
2930     FILES="
2931         Makefile
2932         common.mak
2933         subdir.mak
2934         doc/texi2pod.pl
2935         libavcodec/Makefile
2936         libavcodec/${arch}/Makefile
2937         libavdevice/Makefile
2938         libavfilter/Makefile
2939         libavformat/Makefile
2940         libavutil/Makefile
2941         libpostproc/Makefile
2942         libswscale/Makefile
2943     "
2944     map 'mkdir -p $v' $DIRS;
2945     map 'test -f "$source_path/$v" && $ln_s "$source_path/$v" $v' $FILES
2946 fi
2947
2948 enabled stripping || strip="echo skipping strip"
2949
2950 cat > config.mak <<EOF
2951 # Automatically generated by configure - do not modify!
2952 ifndef FFMPEG_CONFIG_MAK
2953 FFMPEG_CONFIG_MAK=1
2954 FFMPEG_CONFIGURATION=$FFMPEG_CONFIGURATION
2955 prefix=$prefix
2956 LIBDIR=\$(DESTDIR)$libdir
2957 SHLIBDIR=\$(DESTDIR)$shlibdir
2958 INCDIR=\$(DESTDIR)$incdir
2959 BINDIR=\$(DESTDIR)$bindir
2960 DATADIR=\$(DESTDIR)$datadir
2961 MANDIR=\$(DESTDIR)$mandir
2962 SRC_PATH="$source_path"
2963 SRC_PATH_BARE=$source_path
2964 BUILD_ROOT="$PWD"
2965 ARCH=$arch
2966 CC=$cc
2967 AS=$as
2968 LD=$ld
2969 DEPCC=$dep_cc
2970 YASM=$yasmexe
2971 YASMDEP=$yasmexe
2972 AR=$ar
2973 RANLIB=$ranlib
2974 CP=cp -p
2975 LN_S=$ln_s
2976 STRIP=$strip
2977 CPPFLAGS=$CPPFLAGS
2978 CFLAGS=$CFLAGS
2979 ASFLAGS=$ASFLAGS
2980 CC_O=$CC_O
2981 LDFLAGS=$LDFLAGS
2982 FFSERVERLDFLAGS=$FFSERVERLDFLAGS
2983 SHFLAGS=$SHFLAGS
2984 YASMFLAGS=$YASMFLAGS
2985 BUILDSUF=$build_suffix
2986 FULLNAME=$FULLNAME
2987 LIBPREF=$LIBPREF
2988 LIBSUF=$LIBSUF
2989 LIBNAME=$LIBNAME
2990 SLIBPREF=$SLIBPREF
2991 SLIBSUF=$SLIBSUF
2992 EXESUF=$EXESUF
2993 EXTRA_VERSION=$extra_version
2994 DEPFLAGS=$DEPFLAGS
2995 CCDEP=$CCDEP
2996 ASDEP=$ASDEP
2997 CC_DEPFLAGS=$CC_DEPFLAGS
2998 AS_DEPFLAGS=$AS_DEPFLAGS
2999 HOSTCC=$host_cc
3000 HOSTCFLAGS=$host_cflags
3001 HOSTEXESUF=$HOSTEXESUF
3002 HOSTLDFLAGS=$host_ldflags
3003 HOSTLIBS=$host_libs
3004 TARGET_EXEC=$target_exec
3005 TARGET_PATH=$target_path
3006 SDL_LIBS=$sdl_libs
3007 SDL_CFLAGS=$sdl_cflags
3008 LIB_INSTALL_EXTRA_CMD=$LIB_INSTALL_EXTRA_CMD
3009 EXTRALIBS=$extralibs
3010 INSTALL=install
3011 LIBTARGET=${LIBTARGET}
3012 SLIBNAME=${SLIBNAME}
3013 SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}
3014 SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}
3015 SLIB_CREATE_DEF_CMD=${SLIB_CREATE_DEF_CMD}
3016 SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}
3017 SLIB_INSTALL_EXTRA_CMD=${SLIB_INSTALL_EXTRA_CMD}
3018 SLIB_UNINSTALL_EXTRA_CMD=${SLIB_UNINSTALL_EXTRA_CMD}
3019 SAMPLES=$samples
3020 EOF
3021
3022 get_version(){
3023     name=$1
3024     file=$source_path/$2
3025     eval $(grep "#define ${name}_VERSION_M" "$file" | awk '{ print $2"="$3 }')
3026     eval ${name}_VERSION=\$${name}_VERSION_MAJOR.\$${name}_VERSION_MINOR.\$${name}_VERSION_MICRO
3027     lcname=$(tolower $name)
3028     eval echo "${lcname}_VERSION=\$${name}_VERSION" >> config.mak
3029     eval echo "${lcname}_VERSION_MAJOR=\$${name}_VERSION_MAJOR" >> config.mak
3030 }
3031
3032 get_version LIBSWSCALE  libswscale/swscale.h
3033 get_version LIBPOSTPROC libpostproc/postprocess.h
3034 get_version LIBAVCODEC  libavcodec/avcodec.h
3035 get_version LIBAVDEVICE libavdevice/avdevice.h
3036 get_version LIBAVFORMAT libavformat/avformat.h
3037 get_version LIBAVUTIL   libavutil/avutil.h
3038 get_version LIBAVFILTER libavfilter/avfilter.h
3039
3040 cat > $TMPH <<EOF
3041 /* Automatically generated by configure - do not modify! */
3042 #ifndef FFMPEG_CONFIG_H
3043 #define FFMPEG_CONFIG_H
3044 #define FFMPEG_CONFIGURATION "$(c_escape $FFMPEG_CONFIGURATION)"
3045 #define FFMPEG_LICENSE "$(c_escape $license)"
3046 #define FFMPEG_DATADIR "$(eval c_escape $datadir)"
3047 #define CC_TYPE "$cc_type"
3048 #define CC_VERSION $cc_version
3049 #define restrict $_restrict
3050 #define ASMALIGN(ZEROBITS) ".p2align " #ZEROBITS "\\n\\t"
3051 #define EXTERN_PREFIX "${extern_prefix}"
3052 #define EXTERN_ASM ${extern_prefix}
3053 EOF
3054
3055 test -n "$malloc_prefix" &&
3056     echo "#define MALLOC_PREFIX $malloc_prefix" >>$TMPH
3057
3058 if enabled small || disabled optimizations; then
3059     echo "#undef  av_always_inline"  >> $TMPH
3060     echo "#define av_always_inline"  >> $TMPH
3061 fi
3062
3063 print_config ARCH_   $TMPH config.mak $ARCH_LIST
3064 print_config HAVE_   $TMPH config.mak $HAVE_LIST
3065 print_config CONFIG_ $TMPH config.mak $CONFIG_LIST       \
3066                                       $CONFIG_EXTRA      \
3067                                       $DECODER_LIST      \
3068                                       $ENCODER_LIST      \
3069                                       $HWACCEL_LIST      \
3070                                       $PARSER_LIST       \
3071                                       $BSF_LIST          \
3072                                       $DEMUXER_LIST      \
3073                                       $MUXER_LIST        \
3074                                       $FILTER_LIST       \
3075                                       $PROTOCOL_LIST     \
3076                                       $INDEV_LIST        \
3077                                       $OUTDEV_LIST       \
3078
3079 echo "#endif /* FFMPEG_CONFIG_H */" >> $TMPH
3080 echo "endif # FFMPEG_CONFIG_MAK" >> config.mak
3081
3082 # Do not overwrite an unchanged config.h to avoid superfluous rebuilds.
3083 cp_if_changed $TMPH config.h
3084
3085 cat > $TMPH <<EOF
3086 /* Generated by ffconf */
3087 #ifndef AVUTIL_AVCONFIG_H
3088 #define AVUTIL_AVCONFIG_H
3089 EOF
3090
3091 print_config AV_HAVE_ $TMPH /dev/null $HAVE_LIST_PUB
3092
3093 echo "#endif /* AVUTIL_AVCONFIG_H */" >> $TMPH
3094
3095 cp_if_changed $TMPH libavutil/avconfig.h
3096
3097 # build pkg-config files
3098
3099 pkgconfig_generate(){
3100 name=$1
3101 shortname=${name#lib}${build_suffix}
3102 comment=$2
3103 version=$3
3104 libs=$4
3105 requires=$5
3106 cat <<EOF > $name/$name.pc
3107 prefix=$prefix
3108 exec_prefix=\${prefix}
3109 libdir=$libdir
3110 includedir=$incdir
3111
3112 Name: $name
3113 Description: $comment
3114 Version: $version
3115 Requires: $(enabled shared || echo $requires)
3116 Requires.private: $(enabled shared && echo $requires)
3117 Conflicts:
3118 Libs: -L\${libdir} -l${shortname} $(enabled shared || echo $libs)
3119 Libs.private: $(enabled shared && echo $libs)
3120 Cflags: -I\${includedir}
3121 EOF
3122 cat <<EOF > $name/$name-uninstalled.pc
3123 prefix=
3124 exec_prefix=
3125 libdir=\${pcfiledir}
3126 includedir=${source_path}
3127
3128 Name: $name
3129 Description: $comment
3130 Version: $version
3131 Requires: $requires
3132 Conflicts:
3133 Libs: \${libdir}/${LIBPREF}${shortname}${LIBSUF} $libs
3134 Cflags: -I\${includedir}
3135 EOF
3136 }
3137
3138 pkgconfig_generate libavutil "FFmpeg utility library" "$LIBAVUTIL_VERSION"
3139 pkgconfig_generate libavcodec "FFmpeg codec library" "$LIBAVCODEC_VERSION" "$extralibs" "libavutil = $LIBAVUTIL_VERSION"
3140 pkgconfig_generate libavformat "FFmpeg container format library" "$LIBAVFORMAT_VERSION" "$extralibs" "libavcodec = $LIBAVCODEC_VERSION"
3141 pkgconfig_generate libavdevice "FFmpeg device handling library" "$LIBAVDEVICE_VERSION" "$extralibs" "libavformat = $LIBAVFORMAT_VERSION"
3142 enabled avfilter &&
3143     pkgconfig_generate libavfilter "FFmpeg video filtering library" "$LIBAVFILTER_VERSION" "$extralibs" "libavutil = $LIBAVUTIL_VERSION"
3144 enabled postproc &&
3145     pkgconfig_generate libpostproc "FFmpeg post processing library" "$LIBPOSTPROC_VERSION"
3146 pkgconfig_generate libswscale "FFmpeg image rescaling library" "$LIBSWSCALE_VERSION" "" "libavutil = $LIBAVUTIL_VERSION"