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   --enable-avfilter        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   --enable-beos-netserver  enable BeOS netserver
 119   --disable-everything     disable all components listed below
 120   --disable-encoder=NAME   disable encoder NAME
 121   --enable-encoder=NAME    enable encoder NAME
 122   --disable-encoders       disable all encoders
 123   --disable-decoder=NAME   disable decoder NAME
 124   --enable-decoder=NAME    enable decoder NAME
 125   --disable-decoders       disable all decoders
 126   --disable-hwaccel=NAME   disable hwaccel NAME
 127   --enable-hwaccel=NAME    enable hwaccel NAME
 128   --disable-hwaccels       disable all hwaccels
 129   --disable-muxer=NAME     disable muxer NAME
 130   --enable-muxer=NAME      enable muxer NAME
 131   --disable-muxers         disable all muxers
 132   --disable-demuxer=NAME   disable demuxer NAME
 133   --enable-demuxer=NAME    enable demuxer NAME
 134   --disable-demuxers       disable all demuxers
 135   --enable-parser=NAME     enable parser NAME
 136   --disable-parser=NAME    disable parser NAME
 137   --disable-parsers        disable all parsers
 138   --enable-bsf=NAME        enable bitstream filter NAME
 139   --disable-bsf=NAME       disable bitstream filter NAME
 140   --disable-bsfs           disable all bitstream filters
 141   --enable-protocol=NAME   enable protocol NAME
 142   --disable-protocol=NAME  disable protocol NAME
 143   --disable-protocols      disable all protocols
 144   --disable-indev=NAME     disable input device NAME
 145   --disable-outdev=NAME    disable output device NAME
 146   --disable-indevs         disable input devices
 147   --disable-outdevs        disable output devices
 148   --disable-devices        disable all devices
 149   --enable-filter=NAME     enable filter NAME
 150   --disable-filter=NAME    disable filter NAME
 151   --disable-filters        disable all filters
 152   --list-decoders          show all available decoders
 153   --list-encoders          show all available encoders
 154   --list-hwaccels          show all available hardware accelerators
 155   --list-muxers            show all available muxers
 156   --list-demuxers          show all available demuxers
 157   --list-parsers           show all available parsers
 158   --list-protocols         show all available protocols
 159   --list-bsfs              show all available bitstream filters
 160   --list-indevs            show all available input devices
 161   --list-outdevs           show all available output devices
 162   --list-filters           show all available filters
 163
 164 External library support:
 165   --enable-avisynth        enable reading of AVISynth script files [no]
 166   --enable-bzlib           enable bzlib [autodetect]
 167   --enable-libopencore-amrnb enable AMR-NB de/encoding via libopencore-amrnb [no]
 168   --enable-libopencore-amrwb enable AMR-WB decoding via libopencore-amrwb [no]
 169   --enable-libdc1394       enable IIDC-1394 grabbing using libdc1394
 170                            and libraw1394 [no]
 171   --enable-libdirac        enable Dirac support via libdirac [no]
 172   --enable-libfaac         enable FAAC support via libfaac [no]
 173   --enable-libfaad         enable FAAD support via libfaad [no]
 174   --enable-libfaadbin      open libfaad.so.0 at runtime [no]
 175   --enable-libgsm          enable GSM support via libgsm [no]
 176   --enable-libmp3lame      enable MP3 encoding via libmp3lame [no]
 177   --enable-libnut          enable NUT (de)muxing via libnut,
 178                            native (de)muxer exists [no]
 179   --enable-libopenjpeg     enable JPEG 2000 decoding via OpenJPEG [no]
 180   --enable-librtmp         enable RTMP[E] support via librtmp [no]
 181   --enable-libschroedinger enable Dirac support via libschroedinger [no]
 182   --enable-libspeex        enable Speex decoding via libspeex [no]
 183   --enable-libtheora       enable Theora encoding via libtheora [no]
 184   --enable-libvorbis       enable Vorbis encoding via libvorbis,
 185                            native implementation exists [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   --as=AS                  use assembler AS [$as_default]
 203   --cc=CC                  use C compiler CC [$cc_default]
 204   --ld=LD                  use linker LD
 205   --host-cc=HOSTCC         use host C compiler HOSTCC
 206   --host-cflags=HCFLAGS    use HCFLAGS when compiling for host
 207   --host-ldflags=HLDFLAGS  use HLDFLAGS when linking for host
 208   --host-libs=HLIBS        use libs HLIBS when linking for host
 209   --extra-cflags=ECFLAGS   add ECFLAGS to CFLAGS [$CFLAGS]
 210   --extra-ldflags=ELDFLAGS add ELDFLAGS to LDFLAGS [$LDFLAGS]
 211   --extra-libs=ELIBS       add ELIBS [$ELIBS]
 212   --extra-version=STRING   version string suffix []
 213   --build-suffix=SUFFIX    library name suffix []
 214   --arch=ARCH              select architecture [$arch]
 215   --cpu=CPU                select the minimum required CPU (affects
 216                            instruction selection, may crash on older CPUs)
 217   --enable-powerpc-perf    enable performance report on PPC
 218                            (requires enabling PMC)
 219   --disable-asm            disable all assembler optimizations
 220   --disable-altivec        disable AltiVec optimizations
 221   --disable-amd3dnow       disable 3DNow! optimizations
 222   --disable-amd3dnowext    disable 3DNow! extended optimizations
 223   --disable-mmx            disable MMX optimizations
 224   --disable-mmx2           disable MMX2 optimizations
 225   --disable-sse            disable SSE optimizations
 226   --disable-ssse3          disable SSSE3 optimizations
 227   --disable-armv5te        disable armv5te optimizations
 228   --disable-armv6          disable armv6 optimizations
 229   --disable-armv6t2        disable armv6t2 optimizations
 230   --disable-armvfp         disable ARM VFP optimizations
 231   --disable-iwmmxt         disable iwmmxt optimizations
 232   --disable-mmi            disable MMI optimizations
 233   --disable-neon           disable neon optimizations
 234   --disable-vis            disable VIS optimizations
 235   --disable-yasm           disable use of yasm assembler
 236   --enable-pic             build position-independent code
 237   --malloc-prefix=PFX      prefix malloc and related names with PFX
 238   --enable-sram            allow use of on-chip SRAM
 239
 240 Developer options (useful when working on FFmpeg itself):
 241   --disable-debug          disable debugging symbols
 242   --enable-debug=LEVEL     set the debug level [$debuglevel]
 243   --enable-gprof           enable profiling with gprof [$gprof]
 244   --disable-optimizations  disable compiler optimizations
 245   --enable-extra-warnings  enable more compiler warnings
 246   --disable-stripping      disable stripping of executables and shared libraries
 247   --samples=PATH           location of test samples for FATE
 248
 249 NOTE: Object files are built at the place where configure is launched.
 250 EOF
 251   exit 0
 252 }
 253
 254 log(){
 255     echo "$@" >> $logfile
 256 }
 257
 258 log_file(){
 259     log BEGIN $1
 260     pr -n -t $1 >> $logfile
 261     log END $1
 262 }
 263
 264 echolog(){
 265     log "$@"
 266     echo "$@"
 267 }
 268
 269 die(){
 270     echolog "$@"
 271     cat <<EOF
 272
 273 If you think configure made a mistake, make sure you are using the latest
 274 version from SVN.  If the latest version fails, report the problem to the
 275 ffmpeg-user@mplayerhq.hu mailing list or IRC #ffmpeg on irc.freenode.net.
 276 EOF
 277     if disabled logging; then
 278         cat <<EOF
 279 Rerun configure with logging enabled (do not use --disable-logging), and
 280 include the log this produces with your report.
 281 EOF
 282     else
 283 cat <<EOF
 284 Include the log file "$logfile" produced by configure as this will help
 285 solving the problem.
 286 EOF
 287     fi
 288     exit 1
 289 }
 290
 291 # Avoid locale weirdness, besides we really just want to translate ASCII.
 292 toupper(){
 293     echo "$@" | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ
 294 }
 295
 296 tolower(){
 297     echo "$@" | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz
 298 }
 299
 300 c_escape(){
 301     echo "$*" | sed 's/["\\]/\\\0/g'
 302 }
 303
 304 sh_quote(){
 305     v=$(echo "$1" | sed "s/'/'\\\\''/g")
 306     test "$v" = "${v#*[ |&;<>()$\`\\\"\'*?\[\]#~=%]}" || v="'$v'"
 307     echo "$v"
 308 }
 309
 310 filter(){
 311     pat=$1
 312     shift
 313     for v; do
 314         eval "case $v in $pat) echo $v ;; esac"
 315     done
 316 }
 317
 318 map(){
 319     m=$1
 320     shift
 321     for v; do eval $m; done
 322 }
 323
 324 set_all(){
 325     value=$1
 326     shift
 327     for var in $*; do
 328         eval $var=$value
 329     done
 330 }
 331
 332 set_weak(){
 333     value=$1
 334     shift
 335     for var; do
 336         eval : \${$var:=$value}
 337     done
 338 }
 339
 340 pushvar(){
 341     for var in $*; do
 342         eval level=\${${var}_level:=0}
 343         eval ${var}_${level}="\$$var"
 344         eval ${var}_level=$(($level+1))
 345     done
 346 }
 347
 348 popvar(){
 349     for var in $*; do
 350         eval level=\${${var}_level:-0}
 351         test $level = 0 && continue
 352         eval level=$(($level-1))
 353         eval $var="\${${var}_${level}}"
 354         eval ${var}_level=$level
 355         eval unset ${var}_${level}
 356     done
 357 }
 358
 359 enable(){
 360     set_all yes $*
 361 }
 362
 363 disable(){
 364     set_all no $*
 365 }
 366
 367 enable_weak(){
 368     set_weak yes $*
 369 }
 370
 371 disable_weak(){
 372     set_weak no $*
 373 }
 374
 375 enable_safe(){
 376     for var; do
 377         enable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
 378     done
 379 }
 380
 381 disable_safe(){
 382     for var; do
 383         disable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
 384     done
 385 }
 386
 387 do_enable_deep(){
 388     for var; do
 389         enabled $var && continue
 390         eval sel="\$${var}_select"
 391         eval sgs="\$${var}_suggest"
 392         pushvar var sgs
 393         enable_deep $sel
 394         popvar sgs
 395         enable_deep_weak $sgs
 396         popvar var
 397     done
 398 }
 399
 400 enable_deep(){
 401     do_enable_deep $*
 402     enable $*
 403 }
 404
 405 enable_deep_weak(){
 406     do_enable_deep $*
 407     enable_weak $*
 408 }
 409
 410 enabled(){
 411     test "${1#!}" = "$1" && op== || op=!=
 412     eval test "x\$${1#!}" $op "xyes"
 413 }
 414
 415 disabled(){
 416     test "${1#!}" = "$1" && op== || op=!=
 417     eval test "x\$${1#!}" $op "xno"
 418 }
 419
 420 enabled_all(){
 421     for opt; do
 422         enabled $opt || return 1
 423     done
 424 }
 425
 426 disabled_all(){
 427     for opt; do
 428         disabled $opt || return 1
 429     done
 430 }
 431
 432 enabled_any(){
 433     for opt; do
 434         enabled $opt && return 0
 435     done
 436 }
 437
 438 disabled_any(){
 439     for opt; do
 440         disabled $opt && return 0
 441     done
 442     return 1
 443 }
 444
 445 set_default(){
 446     for opt; do
 447         eval : \${$opt:=\$${opt}_default}
 448     done
 449 }
 450
 451 is_in(){
 452     value=$1
 453     shift
 454     for var in $*; do
 455         [ $var = $value ] && return 0
 456     done
 457     return 1
 458 }
 459
 460 check_deps(){
 461     for cfg; do
 462         cfg="${cfg#!}"
 463         enabled ${cfg}_checking && die "Circular dependency for $cfg."
 464         disabled ${cfg}_checking && continue
 465         enable ${cfg}_checking
 466
 467         eval dep_all="\$${cfg}_deps"
 468         eval dep_any="\$${cfg}_deps_any"
 469         eval dep_sel="\$${cfg}_select"
 470         eval dep_sgs="\$${cfg}_suggest"
 471         eval dep_ifa="\$${cfg}_if"
 472         eval dep_ifn="\$${cfg}_if_any"
 473
 474         pushvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
 475         check_deps $dep_all $dep_any $dep_sel $dep_sgs $dep_ifa $dep_ifn
 476         popvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
 477
 478         [ -n "$dep_ifa" ] && { enabled_all $dep_ifa && enable_weak $cfg; }
 479         [ -n "$dep_ifn" ] && { enabled_any $dep_ifn && enable_weak $cfg; }
 480         enabled_all  $dep_all || disable $cfg
 481         enabled_any  $dep_any || disable $cfg
 482         disabled_any $dep_sel && disable $cfg
 483
 484         if enabled $cfg; then
 485             eval dep_extralibs="\$${cfg}_extralibs"
 486             test -n "$dep_extralibs" && add_extralibs $dep_extralibs
 487             enable_deep $dep_sel
 488             enable_deep_weak $dep_sgs
 489         fi
 490
 491         disable ${cfg}_checking
 492     done
 493 }
 494
 495 print_config(){
 496     pfx=$1
 497     header=$2
 498     makefile=$3
 499     shift 3
 500     for cfg; do
 501         ucname="$(toupper $cfg)"
 502         if enabled $cfg; then
 503             echo "#define ${pfx}${ucname} 1" >> $header
 504             echo "${pfx}${ucname}=yes" >> $makefile
 505         else
 506             echo "#define ${pfx}${ucname} 0" >> $header
 507             echo "!${pfx}${ucname}=yes" >> $makefile
 508         fi
 509     done
 510 }
 511
 512 flags_saved(){
 513     (: ${SAVE_CFLAGS?}) 2> /dev/null
 514 }
 515
 516 save_flags(){
 517     flags_saved && return
 518     SAVE_CFLAGS="$CFLAGS"
 519     SAVE_LDFLAGS="$LDFLAGS"
 520     SAVE_extralibs="$extralibs"
 521 }
 522
 523 restore_flags(){
 524     flags_saved || return
 525     CFLAGS="$SAVE_CFLAGS"
 526     LDFLAGS="$SAVE_LDFLAGS"
 527     extralibs="$SAVE_extralibs"
 528     unset SAVE_CFLAGS
 529     unset SAVE_LDFLAGS
 530     unset SAVE_extralibs
 531 }
 532
 533 temp_cflags(){
 534     save_flags
 535     CFLAGS="$CFLAGS $*"
 536 }
 537
 538 temp_ldflags(){
 539     save_flags
 540     LDFLAGS="$LDFLAGS $*"
 541 }
 542
 543 temp_extralibs(){
 544     save_flags
 545     extralibs="$extralibs $*"
 546 }
 547
 548 append(){
 549     var=$1
 550     shift
 551     flags_saved && eval "SAVE_$var=\"\$SAVE_$var $*\""
 552     eval "$var=\"\$$var $*\""
 553 }
 554
 555 add_cppflags(){
 556     append CPPFLAGS $($filter_cppflags "$@")
 557 }
 558
 559 add_cflags(){
 560     append CFLAGS $($filter_cflags "$@")
 561 }
 562
 563 add_asflags(){
 564     append ASFLAGS $($filter_asflags "$@")
 565 }
 566
 567 add_ldflags(){
 568     append LDFLAGS "$@"
 569 }
 570
 571 add_extralibs(){
 572     append extralibs "$@"
 573 }
 574
 575 check_cmd(){
 576     log "$@"
 577     "$@" >> $logfile 2>&1
 578 }
 579
 580 check_cc(){
 581     log check_cc "$@"
 582     cat > $TMPC
 583     log_file $TMPC
 584     check_cmd $cc $CPPFLAGS $CFLAGS "$@" -c -o $TMPO $TMPC
 585 }
 586
 587 check_cpp(){
 588     log check_cpp "$@"
 589     cat > $TMPC
 590     log_file $TMPC
 591     check_cmd $cc $CPPFLAGS $CFLAGS "$@" -E -o $TMPO $TMPC
 592 }
 593
 594 check_as(){
 595     log check_as "$@"
 596     cat > $TMPC
 597     log_file $TMPC
 598     check_cmd $as $CPPFLAGS $ASFLAGS "$@" -c -o $TMPO $TMPC
 599 }
 600
 601 check_asm(){
 602     log check_asm "$@"
 603     name="$1"
 604     code="$2"
 605     shift 2
 606     disable $name
 607     check_as "$@" <<EOF && enable $name
 608 void foo(void){ __asm__ volatile($code); }
 609 EOF
 610 }
 611
 612 check_yasm(){
 613     log check_yasm "$@"
 614     echo "$1" > $TMPS
 615     log_file $TMPS
 616     shift 1
 617     check_cmd $yasmexe $YASMFLAGS "$@" -o $TMPO $TMPS
 618 }
 619
 620 check_ld(){
 621     log check_ld "$@"
 622     flags=''
 623     libs=''
 624     for f; do
 625         test "${f}" = "${f#-l}" && flags="$flags $f" || libs="$libs $f"
 626     done
 627     check_cc $($filter_cflags $flags) || return
 628     check_cmd $ld $LDFLAGS $flags -o $TMPE $TMPO $extralibs $libs
 629 }
 630
 631 check_cppflags(){
 632     log check_cppflags "$@"
 633     set -- $($filter_cppflags "$@")
 634     check_cc "$@" <<EOF && append CPPFLAGS "$@"
 635 int x;
 636 EOF
 637 }
 638
 639 check_cflags(){
 640     log check_cflags "$@"
 641     set -- $($filter_cflags "$@")
 642     check_cc "$@" <<EOF && append CFLAGS "$@"
 643 int x;
 644 EOF
 645 }
 646
 647 test_ldflags(){
 648     log test_ldflags "$@"
 649     check_ld "$@" <<EOF
 650 int main(void){ return 0; }
 651 EOF
 652 }
 653
 654 check_ldflags(){
 655     log check_ldflags "$@"
 656     test_ldflags "$@" && add_ldflags "$@"
 657 }
 658
 659 check_header(){
 660     log check_header "$@"
 661     header=$1
 662     shift
 663     disable_safe $header
 664     check_cpp "$@" <<EOF && enable_safe $header
 665 #include <$header>
 666 int x;
 667 EOF
 668 }
 669
 670 check_func(){
 671     log check_func "$@"
 672     func=$1
 673     shift
 674     disable $func
 675     check_ld "$@" <<EOF && enable $func
 676 extern int $func();
 677 int main(void){ $func(); }
 678 EOF
 679 }
 680
 681 check_mathfunc(){
 682     log check_mathfunc "$@"
 683     func=$1
 684     shift
 685     disable $func
 686     check_ld "$@" <<EOF && enable $func
 687 #include <math.h>
 688 float foo(float f) { return $func(f); }
 689 int main(void){ return 0; }
 690 EOF
 691 }
 692
 693 check_func_headers(){
 694     log check_func_headers "$@"
 695     headers=$1
 696     func=$2
 697     shift 2
 698     disable $func
 699     incs=""
 700     for hdr in $headers; do
 701         incs="$incs
 702 #include <$hdr>"
 703     done
 704     check_ld "$@" <<EOF && enable $func && enable_safe $headers
 705 $incs
 706 int main(int argc, char **argv){
 707     return (long) $func;
 708 }
 709 EOF
 710 }
 711
 712 check_cpp_condition(){
 713     log check_cpp_condition "$@"
 714     header=$1
 715     condition=$2
 716     shift 2
 717     check_cpp $($filter_cppflags "$@") <<EOF
 718 #include <$header>
 719 #if !($condition)
 720 #error "unsatisfied condition: $condition"
 721 #endif
 722 EOF
 723 }
 724
 725 check_lib(){
 726     log check_lib "$@"
 727     header="$1"
 728     func="$2"
 729     shift 2
 730     temp_extralibs "$@"
 731     check_header $header && check_func $func && add_extralibs "$@"
 732     err=$?
 733     restore_flags
 734     return $err
 735 }
 736
 737 check_lib2(){
 738     log check_lib2 "$@"
 739     headers="$1"
 740     func="$2"
 741     shift 2
 742     check_func_headers "$headers" $func "$@" && add_extralibs "$@"
 743 }
 744
 745 check_exec(){
 746     check_ld "$@" && { enabled cross_compile || $TMPE >> $logfile 2>&1; }
 747 }
 748
 749 check_exec_crash(){
 750     code=$(cat)
 751
 752     # exit() is not async signal safe.  _Exit (C99) and _exit (POSIX)
 753     # are safe but may not be available everywhere.  Thus we use
 754     # raise(SIGTERM) instead.  The check is run in a subshell so we
 755     # can redirect the "Terminated" message from the shell.  SIGBUS
 756     # is not defined by standard C so it is used conditionally.
 757
 758     (check_exec "$@") >> $logfile 2>&1 <<EOF
 759 #include <signal.h>
 760 static void sighandler(int sig){
 761     raise(SIGTERM);
 762 }
 763 int main(void){
 764     signal(SIGILL, sighandler);
 765     signal(SIGFPE, sighandler);
 766     signal(SIGSEGV, sighandler);
 767 #ifdef SIGBUS
 768     signal(SIGBUS, sighandler);
 769 #endif
 770     { $code }
 771 }
 772 EOF
 773 }
 774
 775 check_type(){
 776     log check_type "$@"
 777     headers=$1
 778     type=$2
 779     shift 2
 780     disable_safe "$type"
 781     incs=""
 782     for hdr in $headers; do
 783         incs="$incs
 784 #include <$hdr>"
 785     done
 786     check_cc "$@" <<EOF && enable_safe "$type"
 787 $incs
 788 $type v;
 789 EOF
 790 }
 791
 792 check_struct(){
 793     log check_type "$@"
 794     headers=$1
 795     struct=$2
 796     member=$3
 797     shift 3
 798     disable_safe "${struct}_${member}"
 799     incs=""
 800     for hdr in $headers; do
 801         incs="$incs
 802 #include <$hdr>"
 803     done
 804     check_cc "$@" <<EOF && enable_safe "${struct}_${member}"
 805 $incs
 806 const void *p = &(($struct *)0)->$member;
 807 EOF
 808 }
 809
 810 require(){
 811     name="$1"
 812     header="$2"
 813     func="$3"
 814     shift 3
 815     check_lib $header $func "$@" || die "ERROR: $name not found"
 816 }
 817
 818 require2(){
 819     name="$1"
 820     headers="$2"
 821     func="$3"
 822     shift 3
 823     check_lib2 "$headers" $func "$@" || die "ERROR: $name not found"
 824 }
 825
 826 check_foo_config(){
 827     cfg=$1
 828     pkg=$2
 829     header=$3
 830     func=$4
 831     shift 4
 832     disable $cfg
 833     check_cmd ${pkg}-config --version
 834     err=$?
 835     if test "$err" = 0; then
 836         temp_cflags $(${pkg}-config --cflags)
 837         temp_extralibs $(${pkg}-config --libs)
 838         check_lib "$@" $header $func && enable $cfg
 839     fi
 840     return $err
 841 }
 842
 843 check_host_cc(){
 844     log check_host_cc "$@"
 845     cat > $TMPC
 846     log_file $TMPC
 847     check_cmd $host_cc $host_cflags "$@" -c -o $TMPO $TMPC
 848 }
 849
 850 check_host_cflags(){
 851     log check_host_cflags "$@"
 852     check_host_cc "$@" <<EOF && append host_cflags "$@"
 853 int x;
 854 EOF
 855 }
 856
 857 apply(){
 858     file=$1
 859     shift
 860     "$@" < "$file" > "$file.tmp" && mv "$file.tmp" "$file" || rm "$file.tmp"
 861 }
 862
 863 cp_if_changed(){
 864     cmp -s "$1" "$2" &&
 865         echo "$2 is unchanged" ||
 866         cp -f "$1" "$2"
 867 }
 868
 869 # CONFIG_LIST contains configurable options, while HAVE_LIST is for
 870 # system-dependent things.
 871
 872 COMPONENT_LIST="
 873     bsfs
 874     decoders
 875     demuxers
 876     encoders
 877     filters
 878     hwaccels
 879     indevs
 880     muxers
 881     outdevs
 882     parsers
 883     protocols
 884 "
 885
 886 CONFIG_LIST="
 887     $COMPONENT_LIST
 888     aandct
 889     avcodec
 890     avdevice
 891     avfilter
 892     avfilter_lavf
 893     avformat
 894     avisynth
 895     beos_netserver
 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     libx264
 930     libxvid
 931     lpc
 932     lsp
 933     mdct
 934     memalign_hack
 935     mlib
 936     mpegaudio_hp
 937     network
 938     nonfree
 939     pic
 940     postproc
 941     powerpc_perf
 942     rdft
 943     runtime_cpudetect
 944     shared
 945     small
 946     sram
 947     static
 948     swscale
 949     swscale_alpha
 950     vaapi
 951     vdpau
 952     version3
 953     x11grab
 954     zlib
 955 "
 956
 957 THREADS_LIST='
 958     beosthreads
 959     os2threads
 960     pthreads
 961     w32threads
 962 '
 963
 964 ARCH_LIST='
 965     alpha
 966     arm
 967     avr32
 968     avr32_ap
 969     avr32_uc
 970     bfin
 971     ia64
 972     m68k
 973     mips
 974     mips64
 975     parisc
 976     ppc
 977     ppc64
 978     s390
 979     sh4
 980     sparc
 981     sparc64
 982     tomi
 983     x86
 984     x86_32
 985     x86_64
 986 '
 987
 988 ARCH_EXT_LIST='
 989     altivec
 990     amd3dnow
 991     amd3dnowext
 992     armv5te
 993     armv6
 994     armv6t2
 995     armvfp
 996     iwmmxt
 997     mmi
 998     mmx
 999     mmx2
1000     neon
1001     ppc4xx
1002     sse
1003     ssse3
1004     vis
1005 '
1006
1007 HAVE_LIST_PUB='
1008     bigendian
1009 '
1010
1011 HAVE_LIST="
1012     $ARCH_EXT_LIST
1013     $HAVE_LIST_PUB
1014     $THREADS_LIST
1015     alsa_asoundlib_h
1016     altivec_h
1017     arpa_inet_h
1018     attribute_may_alias
1019     attribute_packed
1020     bswap
1021     closesocket
1022     cmov
1023     conio_h
1024     dcbzl
1025     dev_bktr_ioctl_bt848_h
1026     dev_bktr_ioctl_meteor_h
1027     dev_ic_bt8xx_h
1028     dev_video_meteor_ioctl_meteor_h
1029     dev_video_bktr_ioctl_bt848_h
1030     dlfcn_h
1031     dlopen
1032     dos_paths
1033     ebp_available
1034     ebx_available
1035     exp2
1036     exp2f
1037     fast_64bit
1038     fast_clz
1039     fast_cmov
1040     fast_unaligned
1041     fork
1042     getaddrinfo
1043     gethrtime
1044     GetProcessMemoryInfo
1045     GetProcessTimes
1046     getrusage
1047     struct_rusage_ru_maxrss
1048     inet_aton
1049     inline_asm
1050     isatty
1051     ldbrx
1052     libdc1394_1
1053     libdc1394_2
1054     llrint
1055     local_aligned_16
1056     local_aligned_8
1057     log2
1058     log2f
1059     loongson
1060     lrint
1061     lrintf
1062     lzo1x_999_compress
1063     machine_ioctl_bt848_h
1064     machine_ioctl_meteor_h
1065     malloc_h
1066     memalign
1067     mkstemp
1068     pld
1069     posix_memalign
1070     round
1071     roundf
1072     sdl
1073     sdl_video_size
1074     setmode
1075     socklen_t
1076     soundcard_h
1077     poll_h
1078     setrlimit
1079     strerror_r
1080     struct_addrinfo
1081     struct_ipv6_mreq
1082     struct_sockaddr_in6
1083     struct_sockaddr_sa_len
1084     struct_sockaddr_storage
1085     sys_mman_h
1086     sys_resource_h
1087     sys_select_h
1088     sys_soundcard_h
1089     sys_videoio_h
1090     ten_operands
1091     termios_h
1092     threads
1093     truncf
1094     vfp_args
1095     VirtualAlloc
1096     winsock2_h
1097     xform_asm
1098     yasm
1099 "
1100
1101 # options emitted with CONFIG_ prefix but not available on command line
1102 CONFIG_EXTRA="
1103     avutil
1104     gplv3
1105     lgplv3
1106 "
1107
1108 CMDLINE_SELECT="
1109     $ARCH_EXT_LIST
1110     $CONFIG_LIST
1111     $THREADS_LIST
1112     asm
1113     cross_compile
1114     debug
1115     extra_warnings
1116     logging
1117     optimizations
1118     stripping
1119     yasm
1120 "
1121
1122 PATHS_LIST='
1123     bindir
1124     datadir
1125     incdir
1126     libdir
1127     mandir
1128     prefix
1129     shlibdir
1130 '
1131
1132 CMDLINE_SET="
1133     $PATHS_LIST
1134     arch
1135     as
1136     build_suffix
1137     cc
1138     cpu
1139     cross_prefix
1140     dep_cc
1141     extra_version
1142     host_cc
1143     host_cflags
1144     host_ldflags
1145     host_libs
1146     host_os
1147     ld
1148     logfile
1149     malloc_prefix
1150     nm
1151     samples
1152     source_path
1153     strip
1154     sysinclude
1155     sysroot
1156     target_exec
1157     target_os
1158     target_path
1159 "
1160
1161 CMDLINE_APPEND="
1162     extra_cflags
1163 "
1164
1165 # code dependency declarations
1166
1167 # architecture extensions
1168
1169 armv5te_deps="arm"
1170 armv6_deps="arm"
1171 armv6t2_deps="arm"
1172 armvfp_deps="arm"
1173 iwmmxt_deps="arm"
1174 neon_deps="arm"
1175
1176 mmi_deps="mips"
1177
1178 altivec_deps="ppc"
1179 ppc4xx_deps="ppc"
1180
1181 vis_deps="sparc"
1182
1183 x86_64_suggest="cmov fast_cmov"
1184 amd3dnow_deps="mmx"
1185 amd3dnowext_deps="amd3dnow"
1186 mmx_deps="x86"
1187 mmx2_deps="mmx"
1188 sse_deps="mmx"
1189 ssse3_deps="sse"
1190
1191 fast_64bit_if_any="alpha ia64 mips64 parisc64 ppc64 sparc64 x86_64"
1192 fast_clz_if_any="alpha armv5te avr32 mips ppc x86"
1193 fast_unaligned_if_any="armv6 ppc x86"
1194
1195 need_memalign="altivec neon sse"
1196 inline_asm_deps="!tms470"
1197
1198 # subsystems
1199 mdct_select="fft"
1200 rdft_select="fft"
1201
1202 # decoders / encoders / hardware accelerators
1203 aac_decoder_select="mdct rdft aac_parser"
1204 aac_encoder_select="mdct"
1205 ac3_decoder_select="mdct ac3_parser"
1206 alac_encoder_select="lpc"
1207 amrnb_decoder_select="lsp"
1208 atrac1_decoder_select="mdct"
1209 atrac3_decoder_select="mdct"
1210 binkaudio_dct_decoder_select="mdct rdft dct"
1211 binkaudio_rdft_decoder_select="mdct rdft"
1212 cavs_decoder_select="golomb"
1213 cook_decoder_select="mdct"
1214 cscd_decoder_suggest="zlib"
1215 dca_decoder_select="mdct"
1216 dnxhd_encoder_select="aandct"
1217 dxa_decoder_select="zlib"
1218 eac3_decoder_select="ac3_decoder"
1219 eamad_decoder_select="aandct"
1220 eatgq_decoder_select="aandct"
1221 eatqi_decoder_select="aandct"
1222 ffv1_decoder_select="golomb"
1223 flac_decoder_select="golomb"
1224 flac_encoder_select="golomb lpc"
1225 flashsv_decoder_select="zlib"
1226 flashsv_encoder_select="zlib"
1227 flv_decoder_select="h263_decoder"
1228 flv_encoder_select="h263_encoder"
1229 h261_encoder_select="aandct"
1230 h263_decoder_select="h263_parser"
1231 h263_encoder_select="aandct"
1232 h263_vaapi_hwaccel_select="vaapi h263_decoder"
1233 h263i_decoder_select="h263_decoder"
1234 h263p_encoder_select="h263_encoder"
1235 h264_decoder_select="golomb h264dsp"
1236 h264_dxva2_hwaccel_deps="dxva2api_h"
1237 h264_dxva2_hwaccel_select="dxva2 h264_decoder"
1238 h264_vaapi_hwaccel_select="vaapi"
1239 h264_vdpau_decoder_select="vdpau h264_decoder"
1240 imc_decoder_select="fft mdct"
1241 jpegls_decoder_select="golomb"
1242 jpegls_encoder_select="golomb"
1243 ljpeg_encoder_select="aandct"
1244 loco_decoder_select="golomb"
1245 mjpeg_encoder_select="aandct"
1246 mlp_decoder_select="mlp_parser"
1247 mpeg1video_encoder_select="aandct"
1248 mpeg2video_encoder_select="aandct"
1249 mpeg4_decoder_select="h263_decoder mpeg4video_parser"
1250 mpeg4_encoder_select="h263_encoder"
1251 mpeg_vdpau_decoder_select="vdpau mpegvideo_decoder"
1252 mpeg1_vdpau_decoder_select="vdpau mpeg1video_decoder"
1253 mpeg2_vaapi_hwaccel_select="vaapi mpeg2video_decoder"
1254 mpeg4_vaapi_hwaccel_select="vaapi mpeg4_decoder"
1255 mpeg4_vdpau_decoder_select="vdpau mpeg4_decoder"
1256 mpeg_xvmc_decoder_deps="X11_extensions_XvMClib_h"
1257 mpeg_xvmc_decoder_select="mpegvideo_decoder"
1258 msmpeg4v1_decoder_select="h263_decoder"
1259 msmpeg4v1_encoder_select="h263_encoder"
1260 msmpeg4v2_decoder_select="h263_decoder"
1261 msmpeg4v2_encoder_select="h263_encoder"
1262 msmpeg4v3_decoder_select="h263_decoder"
1263 msmpeg4v3_encoder_select="h263_encoder"
1264 nellymoser_decoder_select="mdct"
1265 nellymoser_encoder_select="mdct"
1266 png_decoder_select="zlib"
1267 png_encoder_select="zlib"
1268 qcelp_decoder_select="lsp"
1269 qdm2_decoder_select="mdct rdft"
1270 rv10_decoder_select="h263_decoder"
1271 rv10_encoder_select="h263_encoder"
1272 rv20_decoder_select="h263_decoder"
1273 rv20_encoder_select="h263_encoder"
1274 rv30_decoder_select="golomb h264dsp"
1275 rv40_decoder_select="golomb h264dsp"
1276 shorten_decoder_select="golomb"
1277 sipr_decoder_select="lsp"
1278 snow_decoder_select="dwt"
1279 snow_encoder_select="aandct dwt"
1280 sonic_decoder_select="golomb"
1281 sonic_encoder_select="golomb"
1282 sonic_ls_encoder_select="golomb"
1283 svq1_encoder_select="aandct"
1284 svq3_decoder_select="golomb h264dsp"
1285 svq3_decoder_suggest="zlib"
1286 theora_decoder_select="vp3_decoder"
1287 tiff_decoder_suggest="zlib"
1288 tiff_encoder_suggest="zlib"
1289 truehd_decoder_select="mlp_decoder"
1290 tscc_decoder_select="zlib"
1291 twinvq_decoder_select="mdct lsp"
1292 vc1_decoder_select="h263_decoder"
1293 vc1_dxva2_hwaccel_deps="dxva2api_h DXVA_PictureParameters_wDecodedPictureIndex"
1294 vc1_dxva2_hwaccel_select="dxva2 vc1_decoder"
1295 vc1_vaapi_hwaccel_select="vaapi vc1_decoder"
1296 vc1_vdpau_decoder_select="vdpau vc1_decoder"
1297 vorbis_decoder_select="mdct"
1298 vorbis_encoder_select="mdct"
1299 vp6a_decoder_select="vp6_decoder"
1300 vp6f_decoder_select="vp6_decoder"
1301 wmapro_decoder_select="mdct"
1302 wmav1_decoder_select="mdct"
1303 wmav1_encoder_select="mdct"
1304 wmav2_decoder_select="mdct"
1305 wmav2_encoder_select="mdct"
1306 wmavoice_decoder_select="lsp"
1307 wmv1_decoder_select="h263_decoder"
1308 wmv1_encoder_select="h263_encoder"
1309 wmv2_decoder_select="h263_decoder"
1310 wmv2_encoder_select="h263_encoder"
1311 wmv3_decoder_select="vc1_decoder"
1312 wmv3_dxva2_hwaccel_select="vc1_dxva2_hwaccel"
1313 wmv3_vaapi_hwaccel_select="vc1_vaapi_hwaccel"
1314 wmv3_vdpau_decoder_select="vc1_vdpau_decoder"
1315 zlib_decoder_select="zlib"
1316 zlib_encoder_select="zlib"
1317 zmbv_decoder_select="zlib"
1318 zmbv_encoder_select="zlib"
1319
1320 vaapi_deps="va_va_h"
1321 vdpau_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1322
1323 # parsers
1324 h264_parser_select="golomb h264dsp"
1325
1326 # bitstream_filters
1327 aac_adtstoasc_bsf_select="aac_parser"
1328
1329 # external libraries
1330 libdirac_decoder_deps="libdirac !libschroedinger"
1331 libdirac_encoder_deps="libdirac"
1332 libfaac_encoder_deps="libfaac"
1333 libfaad_decoder_deps="libfaad"
1334 libfaadbin_decoder_extralibs='$ldl'
1335 libgsm_decoder_deps="libgsm"
1336 libgsm_encoder_deps="libgsm"
1337 libgsm_ms_decoder_deps="libgsm"
1338 libgsm_ms_encoder_deps="libgsm"
1339 libmp3lame_encoder_deps="libmp3lame"
1340 libopencore_amrnb_decoder_deps="libopencore_amrnb"
1341 libopencore_amrnb_encoder_deps="libopencore_amrnb"
1342 libopencore_amrwb_decoder_deps="libopencore_amrwb"
1343 libopenjpeg_decoder_deps="libopenjpeg"
1344 libschroedinger_decoder_deps="libschroedinger"
1345 libschroedinger_encoder_deps="libschroedinger"
1346 libspeex_decoder_deps="libspeex"
1347 libtheora_encoder_deps="libtheora"
1348 libvorbis_encoder_deps="libvorbis"
1349 libx264_encoder_deps="libx264"
1350 libxvid_encoder_deps="libxvid"
1351
1352 # demuxers / muxers
1353 ac3_demuxer_deps="ac3_parser"
1354 asf_stream_muxer_select="asf_muxer"
1355 avisynth_demuxer_deps="avisynth"
1356 dirac_demuxer_deps="dirac_parser"
1357 eac3_demuxer_select="ac3_parser"
1358 ipod_muxer_select="mov_muxer"
1359 libnut_demuxer_deps="libnut"
1360 libnut_muxer_deps="libnut"
1361 matroska_audio_muxer_select="matroska_muxer"
1362 matroska_demuxer_suggest="zlib bzlib"
1363 mov_demuxer_suggest="zlib"
1364 mp3_demuxer_deps="mpegaudio_parser"
1365 mp4_muxer_select="mov_muxer"
1366 mpegtsraw_demuxer_select="mpegts_demuxer"
1367 mxf_d10_muxer_select="mxf_muxer"
1368 ogg_demuxer_select="golomb"
1369 psp_muxer_select="mov_muxer"
1370 rtsp_demuxer_deps="sdp_demuxer"
1371 rtsp_muxer_deps="sdp_demuxer"
1372 rtsp_muxer_select="rtp_muxer"
1373 sdp_demuxer_deps="rtp_protocol mpegts_demuxer"
1374 sdp_demuxer_select="asf_demuxer rm_demuxer"
1375 spdif_muxer_select="aac_parser"
1376 tg2_muxer_select="mov_muxer"
1377 tgp_muxer_select="mov_muxer"
1378 w64_demuxer_deps="wav_demuxer"
1379
1380 # indevs / outdevs
1381 alsa_indev_deps="alsa_asoundlib_h snd_pcm_htimestamp"
1382 alsa_indev_extralibs="-lasound"
1383 alsa_outdev_deps="alsa_asoundlib_h"
1384 alsa_outdev_extralibs="-lasound"
1385 audio_beos_indev_deps="audio_beos"
1386 audio_beos_indev_extralibs="-lmedia -lbe"
1387 audio_beos_outdev_deps="audio_beos"
1388 audio_beos_outdev_extralibs="-lmedia -lbe"
1389 bktr_indev_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
1390 dv1394_indev_deps="dv1394 dv_demuxer"
1391 jack_indev_deps="jack_jack_h"
1392 jack_indev_extralibs="-ljack"
1393 libdc1394_indev_deps="libdc1394"
1394 oss_indev_deps_any="soundcard_h sys_soundcard_h"
1395 oss_outdev_deps_any="soundcard_h sys_soundcard_h"
1396 v4l_indev_deps="linux_videodev_h"
1397 v4l2_indev_deps_any="linux_videodev2_h sys_videoio_h"
1398 vfwcap_indev_deps="capCreateCaptureWindow"
1399 vfwcap_indev_extralibs="-lavicap32"
1400 x11_grab_device_indev_deps="x11grab XShmCreateImage"
1401 x11_grab_device_indev_extralibs="-lX11 -lXext -lXfixes"
1402
1403 # protocols
1404 gopher_protocol_deps="network"
1405 http_protocol_deps="network"
1406 http_protocol_select="tcp_protocol"
1407 rtmp_protocol_deps="tcp_protocol"
1408 rtp_protocol_deps="udp_protocol"
1409 tcp_protocol_deps="network"
1410 udp_protocol_deps="network"
1411
1412 # filters
1413 movie_filter_deps="avfilter_lavf"
1414 avfilter_lavf_deps="avformat"
1415
1416 # libraries
1417 avdevice_deps="avcodec avformat"
1418 avformat_deps="avcodec"
1419
1420 # programs
1421 ffmpeg_deps="avcodec avformat swscale"
1422 ffplay_deps="avcodec avformat swscale sdl"
1423 ffplay_select="rdft"
1424 ffprobe_deps="avcodec avformat"
1425 ffserver_deps="avformat ffm_muxer rtp_protocol rtsp_demuxer"
1426 ffserver_extralibs='$ldl'
1427
1428 doc_deps="texi2html"
1429
1430 # default parameters
1431
1432 logfile="config.err"
1433
1434 # installation paths
1435 prefix_default="/usr/local"
1436 bindir_default='${prefix}/bin'
1437 datadir_default='${prefix}/share/ffmpeg'
1438 incdir_default='${prefix}/include'
1439 libdir_default='${prefix}/lib'
1440 mandir_default='${prefix}/share/man'
1441 shlibdir_default="$libdir_default"
1442
1443 # toolchain
1444 ar="ar"
1445 cc_default="gcc"
1446 cc_version=\"unknown\"
1447 host_cc_default="gcc"
1448 ln_s="ln -sf"
1449 nm_default="nm"
1450 objformat="elf"
1451 ranlib="ranlib"
1452 strip_default="strip"
1453 yasmexe="yasm"
1454
1455 nm_opts='-g'
1456
1457 # machine
1458 arch_default=$(uname -m)
1459 cpu="generic"
1460
1461 # OS
1462 target_os_default=$(tolower $(uname -s))
1463 host_os=$target_os_default
1464
1465 # configurable options
1466 enable avcodec
1467 enable avdevice
1468 enable avformat
1469 enable avutil
1470 enable asm
1471 enable debug
1472 enable doc
1473 enable fastdiv
1474 enable ffmpeg
1475 enable ffplay
1476 enable ffprobe
1477 enable ffserver
1478 enable mpegaudio_hp
1479 enable network
1480 enable optimizations
1481 enable protocols
1482 enable static
1483 enable stripping
1484 enable swscale
1485 enable swscale_alpha
1486
1487 # build settings
1488 SHFLAGS='-shared -Wl,-soname,$$(@F)'
1489 FFSERVERLDFLAGS=-Wl,-E
1490 LIBPREF="lib"
1491 LIBSUF=".a"
1492 FULLNAME='$(NAME)$(BUILDSUF)'
1493 LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
1494 SLIBPREF="lib"
1495 SLIBSUF=".so"
1496 SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
1497 SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
1498 SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
1499 LIB_INSTALL_EXTRA_CMD='$$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
1500
1501 CC_O='-o $@'
1502
1503 host_cflags='-D_ISOC99_SOURCE -D_POSIX_C_SOURCE=200112 -O3 -g -Wall'
1504 host_libs='-lm'
1505
1506 target_path='$(CURDIR)'
1507
1508 # gcc stupidly only outputs the basename of targets with -MM, but we need the
1509 # full relative path for objects in subdirectories for non-recursive Make.
1510 DEPEND_CMD='$(DEPCC) $(DEPFLAGS) $< | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(*F)\\.o,$(@D)/$(*F).o," > $(@:.o=.d)'
1511 DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -MM'
1512
1513 # find source path
1514 source_path="$(dirname "$0")"
1515 enable source_path_used
1516 if test -f configure; then
1517     source_path="$(pwd)"
1518     disable source_path_used
1519 else
1520     source_path="$(cd "$source_path"; pwd)"
1521     echo "$source_path" | grep -q '[[:blank:]]' &&
1522         die "Out of tree builds are impossible with whitespace in source path."
1523     test -e "$source_path/config.h" &&
1524         die "Out of tree builds are impossible with config.h in source dir."
1525 fi
1526
1527 for v in "$@"; do
1528     r=${v#*=}
1529     l=${v%"$r"}
1530     r=$(sh_quote "$r")
1531     FFMPEG_CONFIGURATION="${FFMPEG_CONFIGURATION# } ${l}${r}"
1532 done
1533
1534 find_things(){
1535     thing=$1
1536     pattern=$2
1537     file=$source_path/$3
1538     sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
1539 }
1540
1541 ENCODER_LIST=$(find_things  encoder  ENC      libavcodec/allcodecs.c)
1542 DECODER_LIST=$(find_things  decoder  DEC      libavcodec/allcodecs.c)
1543 HWACCEL_LIST=$(find_things  hwaccel  HWACCEL  libavcodec/allcodecs.c)
1544 PARSER_LIST=$(find_things   parser   PARSER   libavcodec/allcodecs.c)
1545 BSF_LIST=$(find_things      bsf      BSF      libavcodec/allcodecs.c)
1546 MUXER_LIST=$(find_things    muxer    _MUX     libavformat/allformats.c)
1547 DEMUXER_LIST=$(find_things  demuxer  DEMUX    libavformat/allformats.c)
1548 OUTDEV_LIST=$(find_things   outdev   OUTDEV   libavdevice/alldevices.c)
1549 INDEV_LIST=$(find_things    indev    _IN      libavdevice/alldevices.c)
1550 PROTOCOL_LIST=$(find_things protocol PROTOCOL libavformat/allformats.c)
1551 FILTER_LIST=$(find_things   filter   FILTER   libavfilter/allfilters.c)
1552
1553 enable $ARCH_EXT_LIST \
1554        $DECODER_LIST \
1555        $ENCODER_LIST \
1556        $HWACCEL_LIST \
1557        $PARSER_LIST \
1558        $BSF_LIST \
1559        $DEMUXER_LIST \
1560        $MUXER_LIST \
1561        $FILTER_LIST \
1562        $PROTOCOL_LIST \
1563        $INDEV_LIST \
1564        $OUTDEV_LIST \
1565
1566 die_unknown(){
1567     echo "Unknown option \"$1\"."
1568     echo "See $0 --help for available options."
1569     exit 1
1570 }
1571
1572 show_list() {
1573     suffix=_$1
1574     shift
1575     echo $* | sed s/$suffix//g | tr ' ' '\n' | sort | pr -3 -t
1576     exit 0
1577 }
1578
1579 for opt do
1580     optval="${opt#*=}"
1581     case "$opt" in
1582     --extra-ldflags=*) add_ldflags $optval
1583     ;;
1584     --extra-libs=*) add_extralibs $optval
1585     ;;
1586     --disable-devices) disable $INDEV_LIST $OUTDEV_LIST
1587     ;;
1588     --enable-debug=*) debuglevel="$optval"
1589     ;;
1590     --disable-everything)
1591     map 'eval disable \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
1592     ;;
1593     --enable-*=*|--disable-*=*)
1594     eval $(echo "${opt%%=*}" | sed 's/--/action=/;s/-/ thing=/')
1595     is_in "${thing}s" $COMPONENT_LIST || die_unknown "$opt"
1596     eval list=\$$(toupper $thing)_LIST
1597     name=$(echo "${optval}" | sed "s/,/_${thing}|/g")_${thing}
1598     $action $(filter "$name" $list)
1599     ;;
1600     --enable-?*|--disable-?*)
1601     eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')
1602     if is_in $option $COMPONENT_LIST; then
1603         test $action = disable && action=unset
1604         eval $action \$$(toupper ${option%s})_LIST
1605     elif is_in $option $CMDLINE_SELECT; then
1606         $action $option
1607     else
1608         die_unknown $opt
1609     fi
1610     ;;
1611     --list-*)
1612         NAME="${opt#--list-}"
1613         is_in $NAME $COMPONENT_LIST || die_unknown $opt
1614         NAME=${NAME%s}
1615         eval show_list $NAME \$$(toupper $NAME)_LIST
1616     ;;
1617     --help|-h) show_help
1618     ;;
1619     *)
1620     optname="${opt%%=*}"
1621     optname="${optname#--}"
1622     optname=$(echo "$optname" | sed 's/-/_/g')
1623     if is_in $optname $CMDLINE_SET; then
1624         eval $optname='$optval'
1625     elif is_in $optname $CMDLINE_APPEND; then
1626         append $optname "$optval"
1627     else
1628          die_unknown $opt
1629     fi
1630     ;;
1631     esac
1632 done
1633
1634 disabled logging && logfile=/dev/null
1635
1636 echo "# $0 $FFMPEG_CONFIGURATION" > $logfile
1637 set >> $logfile
1638
1639 test -n "$cross_prefix" && enable cross_compile
1640
1641 if enabled cross_compile; then
1642     test -n "$arch" && test -n "$target_os" ||
1643         die "Must specify target arch and OS when cross-compiling"
1644 fi
1645
1646 set_default arch target_os
1647
1648 ar="${cross_prefix}${ar}"
1649 cc_default="${cross_prefix}${cc_default}"
1650 nm_default="${cross_prefix}${nm_default}"
1651 ranlib="${cross_prefix}${ranlib}"
1652 strip_default="${cross_prefix}${strip_default}"
1653
1654 sysinclude_default="${sysroot}/usr/include"
1655
1656 set_default cc nm strip sysinclude
1657 enabled cross_compile || host_cc_default=$cc
1658 set_default host_cc
1659
1660 exesuf() {
1661     case $1 in
1662         mingw32*|cygwin*|*-dos|freedos|opendos|os/2*) echo .exe ;;
1663     esac
1664 }
1665
1666 EXESUF=$(exesuf $target_os)
1667 HOSTEXESUF=$(exesuf $host_os)
1668
1669 # set temporary file name
1670 : ${TMPDIR:=$TEMPDIR}
1671 : ${TMPDIR:=$TMP}
1672 : ${TMPDIR:=/tmp}
1673
1674 if ! check_cmd type mktemp; then
1675     # simple replacement for missing mktemp
1676     # NOT SAFE FOR GENERAL USE
1677     mktemp(){
1678         echo "${2%XXX*}.${HOSTNAME}.${UID}.$$"
1679     }
1680 fi
1681
1682 tmpfile(){
1683     tmp=$(mktemp -u "${TMPDIR}/ffconf.XXXXXXXX")$2 &&
1684         (set -C; exec > $tmp) 2>/dev/null ||
1685         die "Unable to create temporary file in $TMPDIR."
1686     append TMPFILES $tmp
1687     eval $1=$tmp
1688 }
1689
1690 trap 'rm -f -- $TMPFILES' EXIT
1691 trap exit HUP INT TERM
1692
1693 tmpfile TMPC  .c
1694 tmpfile TMPE  $EXESUF
1695 tmpfile TMPH  .h
1696 tmpfile TMPO  .o
1697 tmpfile TMPS  .S
1698 tmpfile TMPV  .ver
1699 tmpfile TMPSH .sh
1700
1701 unset -f mktemp
1702
1703 # make sure we can execute files in $TMPDIR
1704 cat > $TMPSH 2>> $logfile <<EOF
1705 #! /bin/sh
1706 EOF
1707 chmod +x $TMPSH >> $logfile 2>&1
1708 if ! $TMPSH >> $logfile 2>&1; then
1709     cat <<EOF
1710 Unable to create and execute files in $TMPDIR.  Set the TMPDIR environment
1711 variable to another directory and make sure that it is not mounted noexec.
1712 EOF
1713     die "Sanity test failed."
1714 fi
1715
1716 filter_cflags=echo
1717 filter_cppflags=echo
1718 filter_asflags=echo
1719
1720 if   $cc -v 2>&1 | grep -qi ^gcc; then
1721     cc_type=gcc
1722     cc_version=__VERSION__
1723     if ! $cc -dumpversion | grep -q '^2\.'; then
1724         CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1725         AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1726     fi
1727     speed_cflags='-O3'
1728     size_cflags='-Os'
1729 elif $cc --version 2>/dev/null | grep -q Intel; then
1730     cc_type=icc
1731     cc_version="AV_STRINGIFY(__INTEL_COMPILER)"
1732     CC_DEPFLAGS='-MMD'
1733     AS_DEPFLAGS='-MMD'
1734     speed_cflags='-O3'
1735     size_cflags='-Os'
1736 elif $cc -v 2>&1 | grep -q xlc; then
1737     cc_type=xlc
1738     cc_version="AV_STRINGIFY(__IBMC__)"
1739     speed_cflags='-O5'
1740     size_cflags='-O5 -qcompact'
1741 elif $cc -V 2>/dev/null | grep -q Compaq; then
1742     cc_type=ccc
1743     cc_version="AV_STRINGIFY(__DECC_VER)"
1744     DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -M'
1745     debuglevel=3
1746     add_ldflags -Wl,-z,now # calls to libots crash without this
1747     speed_cflags='-fast'
1748     size_cflags='-O1'
1749 elif $cc --vsn 2>/dev/null | grep -q "ARM C/C++ Compiler"; then
1750     test -d "$sysroot" || die "No valid sysroot specified."
1751     cc_type=armcc
1752     cc_version="AV_STRINGIFY(__ARMCC_VERSION)"
1753     armcc_conf="$PWD/armcc.conf"
1754     $cc --arm_linux_configure                 \
1755         --arm_linux_config_file="$armcc_conf" \
1756         --configure_sysroot="$sysroot"        \
1757         --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||
1758         die "Error creating armcc configuration file."
1759     cc="$cc --arm_linux_config_file=$armcc_conf --translate_gcc"
1760     as_default="${cross_prefix}gcc"
1761     CC_DEPFLAGS='-MMD'
1762     AS_DEPFLAGS='-MMD'
1763     speed_cflags='-O3'
1764     size_cflags='-Os'
1765 elif $cc -version 2>/dev/null | grep -q TMS470; then
1766     cc_type=tms470
1767     cc_version="AV_STRINGIFY(__TI_COMPILER_VERSION__)"
1768     cc="$cc --gcc --abi=eabi -eo=.o -mc -me"
1769     CC_O='-fr=$(@D)'
1770     as_default="${cross_prefix}gcc"
1771     ld_default="${cross_prefix}gcc"
1772     TMPO=$(basename $TMPC .c).o
1773     append TMPFILES $TMPO
1774     add_cflags -D__gnuc_va_list=va_list -D__USER_LABEL_PREFIX__=
1775     CC_DEPFLAGS='-ppa -ppd=$(@:.o=.d)'
1776     AS_DEPFLAGS='-MMD'
1777     speed_cflags='-O3 -mf=5'
1778     size_cflags='-O3 -mf=2'
1779     filter_cflags=tms470_flags
1780     tms470_flags(){
1781         for flag; do
1782             case $flag in
1783                 -march=*|-mcpu=*)
1784                     case "${flag#*=}" in
1785                         armv7-a|cortex-a*)      echo -mv=7a8 ;;
1786                         armv7-r|cortex-r*)      echo -mv=7r4 ;;
1787                         armv7-m|cortex-m*)      echo -mv=7m3 ;;
1788                         armv6*|arm11*)          echo -mv=6   ;;
1789                         armv5*e|arm[79]*e*|arm9[24]6*|arm96*|arm102[26])
1790                                                 echo -mv=5e  ;;
1791                         armv4*|arm7*|arm9[24]*) echo -mv=4   ;;
1792                     esac
1793                     ;;
1794                 -mfpu=neon)     echo --float_support=vfpv3 --neon ;;
1795                 -mfpu=vfp)      echo --float_support=vfpv2        ;;
1796                 -mfpu=vfpv3)    echo --float_support=vfpv3        ;;
1797                 -msoft-float)   echo --float_support=vfplib       ;;
1798                 -O[0-3]|-mf=*)  echo $flag                        ;;
1799                 -g)             echo -g -mn                       ;;
1800                 -pds=*)         echo $flag                        ;;
1801             esac
1802         done
1803     }
1804 elif $cc -v 2>&1 | grep -q clang; then
1805     cc_type=clang
1806     cc_version=__VERSION__
1807     CC_DEPFLAGS='-MMD'
1808     AS_DEPFLAGS='-MMD'
1809     speed_cflags='-O3'
1810     size_cflags='-Os'
1811 elif $cc -V 2>&1 | grep -q Sun; then
1812     cc_type=suncc
1813     cc_version="AV_STRINGIFY(__SUNPRO_C)"
1814     DEPEND_CMD='$(DEPCC) $(DEPFLAGS) $< | sed -e "1s,^.*: ,$@: ," -e "\$$!s,\$$, \\\," -e "1!s,^.*: , ," > $(@:.o=.d)'
1815     DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -xM1'
1816     speed_cflags='-O5'
1817     size_cflags='-O5 -xspace'
1818     filter_cflags=suncc_flags
1819     suncc_flags(){
1820         for flag; do
1821             case $flag in
1822                 -march=*|-mcpu=*)
1823                     case "${flag#*=}" in
1824                         native)                   echo -xtarget=native       ;;
1825                         v9)                       echo -xarch=sparc          ;;
1826                         ultrasparc)               echo -xarch=sparcvis       ;;
1827                         ultrasparc3|niagara*)     echo -xarch=sparcvis2      ;;
1828                         i586|pentium)             echo -xchip=pentium        ;;
1829                         i686|pentiumpro|pentium2) echo -xtarget=pentium_pro  ;;
1830                         pentium3*|c3-2)           echo -xtarget=pentium3     ;;
1831                         pentium-m)          echo -xarch=sse2 -xchip=pentium3 ;;
1832                         pentium4*)          echo -xtarget=pentium4           ;;
1833                         prescott|nocona)    echo -xarch=sse3 -xchip=pentium4 ;;
1834                         *-sse3)             echo -xarch=sse3                 ;;
1835                         core2)              echo -xarch=ssse3 -xchip=core2   ;;
1836                         amdfam10|barcelona)       echo -xarch=sse4_1         ;;
1837                         athlon-4|athlon-[mx]p)    echo -xarch=ssea           ;;
1838                         k8|opteron|athlon64|athlon-fx)
1839                                                   echo -xarch=sse2a          ;;
1840                         athlon*)                  echo -xarch=pentium_proa   ;;
1841                     esac
1842                     ;;
1843                 -std=c99)             echo -xc99              ;;
1844                 -fomit-frame-pointer) echo -xregs=frameptr    ;;
1845                 -fPIC)                echo -KPIC -xcode=pic32 ;;
1846                 -W*,*)                echo $flag              ;;
1847                 -f*-*|-W*)                                    ;;
1848                 *)                    echo $flag              ;;
1849             esac
1850         done
1851     }
1852 fi
1853
1854 test -n "$cc_type" && enable $cc_type || echolog "Unknown C compiler $cc"
1855
1856 : ${as_default:=$cc}
1857 : ${dep_cc_default:=$cc}
1858 : ${ld_default:=$cc}
1859 set_default as dep_cc ld
1860
1861 test -n "$CC_DEPFLAGS" || CCDEP=$DEPEND_CMD
1862 test -n "$AS_DEPFLAGS" || ASDEP=$DEPEND_CMD
1863
1864 add_cflags $extra_cflags
1865 add_asflags $extra_cflags
1866
1867 if test -n "$sysroot"; then
1868     case "$cc_type" in
1869         gcc)
1870             add_cppflags --sysroot="$sysroot"
1871             add_ldflags --sysroot="$sysroot"
1872         ;;
1873         tms470)
1874             add_cppflags -I"$sysinclude"
1875             add_ldflags  --sysroot="$sysroot"
1876         ;;
1877         clang)
1878             add_cppflags -isysroot "$sysroot"
1879             add_ldflags -isysroot "$sysroot"
1880         ;;
1881     esac
1882 fi
1883
1884 if test "$cpu" = host; then
1885     enabled cross_compile && die "--cpu=host makes no sense when cross-compiling."
1886
1887     case "$cc_type" in
1888         gcc)
1889             check_native(){
1890                 $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return
1891                 sed -n "/$1=/{
1892                             s/.*$1=\\([^ ]*\\).*/\\1/
1893                             p
1894                             q
1895                         }" $TMPE
1896             }
1897             cpu=$(check_native -march || check_native -mcpu)
1898         ;;
1899     esac
1900
1901     test "${cpu:-host}" = host && die "--cpu=host not supported with compiler $cc"
1902 fi
1903
1904 # Deal with common $arch aliases
1905 case "$arch" in
1906     arm*)
1907         arch="arm"
1908     ;;
1909     mips|mipsel|IP*)
1910         arch="mips"
1911     ;;
1912     mips64*)
1913         arch="mips"
1914         subarch="mips64"
1915     ;;
1916     parisc|hppa)
1917         arch="parisc"
1918     ;;
1919     parisc64|hppa64)
1920         arch="parisc"
1921         subarch="parisc64"
1922     ;;
1923     "Power Macintosh"|ppc|powerpc)
1924         arch="ppc"
1925     ;;
1926     ppc64|powerpc64)
1927         arch="ppc"
1928         subarch="ppc64"
1929     ;;
1930     s390|s390x)
1931         arch="s390"
1932     ;;
1933     sh4|sh)
1934         arch="sh4"
1935     ;;
1936     sun4u|sparc64)
1937         arch="sparc"
1938         subarch="sparc64"
1939     ;;
1940     i[3-6]86|i86pc|BePC|x86_64|amd64)
1941         arch="x86"
1942     ;;
1943 esac
1944
1945 is_in $arch $ARCH_LIST || echo "WARNING: unknown arch $arch"
1946 enable $arch
1947
1948 # Add processor-specific flags
1949 if test "$cpu" = generic; then
1950     : do nothing
1951 elif enabled ppc; then
1952
1953     case $(tolower $cpu) in
1954         601|ppc601|powerpc601)
1955             cpuflags="-mcpu=601"
1956             disable altivec
1957         ;;
1958         603*|ppc603*|powerpc603*)
1959             cpuflags="-mcpu=603"
1960             disable altivec
1961         ;;
1962         604*|ppc604*|powerpc604*)
1963             cpuflags="-mcpu=604"
1964             disable altivec
1965         ;;
1966         g3|75*|ppc75*|powerpc75*)
1967             cpuflags="-mcpu=750 -mpowerpc-gfxopt"
1968             disable altivec
1969         ;;
1970         g4|745*|ppc745*|powerpc745*)
1971             cpuflags="-mcpu=7450 -mpowerpc-gfxopt"
1972         ;;
1973         74*|ppc74*|powerpc74*)
1974             cpuflags="-mcpu=7400 -mpowerpc-gfxopt"
1975         ;;
1976         g5|970|ppc970|powerpc970|power4*)
1977             cpuflags="-mcpu=970 -mpowerpc-gfxopt -mpowerpc64"
1978         ;;
1979         cell)
1980             cpuflags="-mcpu=cell"
1981             enable ldbrx
1982         ;;
1983         e500v2)
1984             cpuflags="-mcpu=8548 -mhard-float -mfloat-gprs=double"
1985             disable altivec
1986         ;;
1987         e500)
1988             cpuflags="-mcpu=8540 -mhard-float"
1989             disable altivec
1990         ;;
1991     esac
1992
1993 elif enabled x86; then
1994
1995     case $cpu in
1996         i[345]86|pentium)
1997             cpuflags="-march=$cpu"
1998             disable mmx
1999         ;;
2000         # targets that do NOT support conditional mov (cmov)
2001         pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
2002             cpuflags="-march=$cpu"
2003             disable cmov
2004         ;;
2005         # targets that do support conditional mov (cmov)
2006         i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64|k8|opteron|athlon-fx|core2|amdfam10)
2007             cpuflags="-march=$cpu"
2008             enable cmov
2009             enable fast_cmov
2010         ;;
2011         # targets that do support conditional mov but on which it's slow
2012         pentium4|pentium4m|prescott|nocona)
2013             cpuflags="-march=$cpu"
2014             enable cmov
2015             disable fast_cmov
2016         ;;
2017     esac
2018
2019 elif enabled sparc; then
2020
2021     case $cpu in
2022         sparc64)
2023             cpuflags="-mcpu=v9"
2024         ;;
2025     esac
2026
2027 elif enabled arm; then
2028
2029     case $cpu in
2030         armv*)
2031             cpuflags="-march=$cpu"
2032         ;;
2033         *)
2034             cpuflags="-mcpu=$cpu"
2035         ;;
2036     esac
2037
2038 elif enabled alpha; then
2039
2040     enabled ccc && cpuflags="-arch $cpu" || cpuflags="-mcpu=$cpu"
2041
2042 elif enabled bfin; then
2043
2044     cpuflags="-mcpu=$cpu"
2045
2046 elif enabled mips; then
2047
2048     cpuflags="-march=$cpu"
2049
2050 elif enabled avr32; then
2051
2052     case $cpu in
2053         ap7[02]0[0-2])
2054             subarch="avr32_ap"
2055             cpuflags="-mpart=$cpu"
2056         ;;
2057         ap)
2058             subarch="avr32_ap"
2059             cpuflags="-march=$cpu"
2060         ;;
2061         uc3[ab]*)
2062             subarch="avr32_uc"
2063             cpuflags="-mcpu=$cpu"
2064         ;;
2065         uc)
2066             subarch="avr32_uc"
2067             cpuflags="-march=$cpu"
2068         ;;
2069     esac
2070
2071 fi
2072
2073 add_cflags $cpuflags
2074 add_asflags $cpuflags
2075
2076 # compiler sanity check
2077 check_exec <<EOF
2078 int main(void){ return 0; }
2079 EOF
2080 if test "$?" != 0; then
2081     echo "$cc is unable to create an executable file."
2082     if test -z "$cross_prefix" && ! enabled cross_compile ; then
2083         echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
2084         echo "Only do this if you know what cross compiling means."
2085     fi
2086     die "C compiler test failed."
2087 fi
2088
2089 add_cppflags -D_ISOC99_SOURCE -D_POSIX_C_SOURCE=200112
2090 check_cflags -std=c99
2091 check_cc -D_FILE_OFFSET_BITS=64 <<EOF && add_cppflags -D_FILE_OFFSET_BITS=64
2092 #include <stdlib.h>
2093 EOF
2094 check_cc -D_LARGEFILE_SOURCE <<EOF && add_cppflags -D_LARGEFILE_SOURCE
2095 #include <stdlib.h>
2096 EOF
2097
2098 check_host_cflags -std=c99
2099
2100 case "$arch" in
2101     alpha|ia64|mips|parisc|sparc)
2102         spic=$shared
2103     ;;
2104     x86)
2105         subarch="x86_32"
2106         check_cc <<EOF && subarch="x86_64"
2107         int test[(int)sizeof(char*) - 7];
2108 EOF
2109         if test "$subarch" = "x86_64"; then
2110             spic=$shared
2111         fi
2112     ;;
2113 esac
2114
2115 enable $subarch
2116 enabled spic && enable pic
2117
2118 # OS specific
2119 case $target_os in
2120     beos|haiku|zeta)
2121         prefix_default="$HOME/config"
2122         # 3 gcc releases known for BeOS, each with ugly bugs
2123         gcc_version="$($cc -v 2>&1 | grep version | cut -d ' ' -f3-)"
2124         case "$gcc_version" in
2125           2.9-beos-991026*|2.9-beos-000224*) echo "R5/GG gcc"
2126             disable mmx
2127             ;;
2128           *20010315*) echo "BeBits gcc"
2129             add_cflags -fno-expensive-optimizations
2130             ;;
2131         esac
2132         SHFLAGS=-nostart
2133         # enable BeOS things
2134         enable audio_beos
2135         # no need for libm, but the inet stuff
2136         # Check for BONE
2137         # XXX: actually should check for NOT net_server
2138         if echo $BEINCLUDES | grep -q 'headers/be/bone'; then
2139             network_extralibs="-lbind -lsocket"
2140         else
2141             enable beos_netserver
2142             network_extralibs="-lnet"
2143         fi ;;
2144     sunos)
2145         FFSERVERLDFLAGS=""
2146         SHFLAGS='-shared -Wl,-h,$$(@F)'
2147         enabled x86 && SHFLAGS="-mimpure-text $SHFLAGS"
2148         network_extralibs="-lsocket -lnsl"
2149         add_cppflags -D__EXTENSIONS__
2150         nm_opts='-P -g'
2151         ;;
2152     netbsd)
2153         oss_indev_extralibs="-lossaudio"
2154         oss_outdev_extralibs="-lossaudio"
2155         add_cppflags -D_XOPEN_SOURCE=600
2156         ;;
2157     openbsd)
2158         enable malloc_aligned
2159         # On OpenBSD 4.5. the compiler does not use PIC unless
2160         # explicitly using -fPIC. FFmpeg builds fine without PIC,
2161         # however the generated executable will not do anything
2162         # (simply quits with exit-code 1, no crash, no output).
2163         # Thus explicitly enable PIC here.
2164         enable pic
2165         SHFLAGS='-shared'
2166         oss_indev_extralibs="-lossaudio"
2167         oss_outdev_extralibs="-lossaudio"
2168         ;;
2169     freebsd|dragonfly)
2170         enable malloc_aligned
2171         ;;
2172     bsd/os)
2173         osextralibs="-lpoll -lgnugetopt"
2174         strip="strip -d"
2175         ;;
2176     darwin)
2177         enable malloc_aligned
2178         SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(SHLIBDIR)/$(SLIBNAME),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR) -Wl,-read_only_relocs,suppress'
2179         strip="strip -x"
2180         FFLDFLAGS="-Wl,-dynamic,-search_paths_first"
2181         SLIBSUF=".dylib"
2182         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'
2183         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'
2184         FFSERVERLDFLAGS=-Wl,-bind_at_load
2185         objformat="macho"
2186         enabled x86_64 && objformat="macho64"
2187         enabled_any pic shared ||
2188             { check_cflags -mdynamic-no-pic && add_asflags -mdynamic-no-pic; }
2189         ;;
2190     mingw32*)
2191         if test $target_os = "mingw32ce"; then
2192             disable network
2193         else
2194             target_os=mingw32
2195         fi
2196         LIBTARGET=i386
2197         if enabled x86_64; then
2198             enable malloc_aligned
2199             LIBTARGET=x64
2200         elif enabled arm; then
2201             LIBTARGET=arm
2202         fi
2203         shlibdir_default="$bindir_default"
2204         disable ffserver
2205         SLIBPREF=""
2206         SLIBSUF=".dll"
2207         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
2208         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
2209         SLIB_EXTRA_CMD='-lib.exe /machine:$(LIBTARGET) /def:$$(@:$(SLIBSUF)=.def) /out:$(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib)'
2210         SLIB_INSTALL_EXTRA_CMD='-install -m 644 $(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib) "$(SHLIBDIR)/$(SLIBNAME:$(SLIBSUF)=.lib)"; \
2211             install -m 644 $(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib) "$(SHLIBDIR)/$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib)"; \
2212             install -d "$(LIBDIR)"; \
2213             install -m 644 $(SUBDIR)lib$(SLIBNAME:$(SLIBSUF)=.dll.a) "$(LIBDIR)/lib$(SLIBNAME:$(SLIBSUF)=.dll.a)"'
2214         SLIB_UNINSTALL_EXTRA_CMD='rm -f "$(SHLIBDIR)/$(SLIBNAME:$(SLIBSUF)=.lib)"'
2215         SHFLAGS='-shared -Wl,--output-def,$$(@:$(SLIBSUF)=.def) -Wl,--out-implib,$(SUBDIR)lib$(SLIBNAME:$(SLIBSUF)=.dll.a) -Wl,--enable-runtime-pseudo-reloc -Wl,--enable-auto-image-base'
2216         objformat="win32"
2217         enable dos_paths
2218         check_cflags -fno-common
2219         if ! enabled x86_64; then
2220             check_cpp_condition _mingw.h "(__MINGW32_MAJOR_VERSION > 3) || (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" ||
2221                 die "ERROR: MinGW runtime version must be >= 3.15."
2222             enabled_any avisynth vfwcap_indev &&
2223                 { check_cpp_condition w32api.h "(__W32API_MAJOR_VERSION > 3) || (__W32API_MAJOR_VERSION == 3 && __W32API_MINOR_VERSION >= 13)" ||
2224                   die "ERROR: avisynth and vfwcap_indev require w32api version 3.13 or later."; }
2225         fi
2226         ;;
2227     cygwin*)
2228         target_os=cygwin
2229         shlibdir_default="$bindir_default"
2230         SLIBPREF="cyg"
2231         SLIBSUF=".dll"
2232         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
2233         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
2234         SHFLAGS='-shared -Wl,--enable-auto-image-base'
2235         objformat="win32"
2236         enable dos_paths
2237         check_cflags -fno-common
2238         ;;
2239     *-dos|freedos|opendos)
2240         disable ffplay ffserver
2241         disable $INDEV_LIST $OUTDEV_LIST
2242         network_extralibs="-lsocket"
2243         objformat="coff"
2244         enable dos_paths
2245         ;;
2246     linux)
2247         enable dv1394
2248         ;;
2249     irix*)
2250         target_os=irix
2251         ranlib="echo ignoring ranlib"
2252         ;;
2253     os/2*)
2254         strip="lxlite"
2255         ln_s="cp -f"
2256         FFLDFLAGS="-Zomf -Zbin-files -Zargs-wild -Zmap"
2257         SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'
2258         FFSERVERLDFLAGS=""
2259         LIBSUF="_s.a"
2260         SLIBPREF=""
2261         SLIBSUF=".dll"
2262         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
2263         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(NAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'
2264         SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(NAME).def; \
2265           echo PROTMODE >> $(SUBDIR)$(NAME).def; \
2266           echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(NAME).def; \
2267           echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(NAME).def; \
2268           echo EXPORTS >> $(SUBDIR)$(NAME).def; \
2269           emxexp -o $(OBJS) >> $(SUBDIR)$(NAME).def'
2270         SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(NAME).def; \
2271           emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib $(SUBDIR)$(NAME).def;'
2272         SLIB_INSTALL_EXTRA_CMD='install -m 644 $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib "$(LIBDIR)"'
2273         SLIB_UNINSTALL_EXTRA_CMD='rm -f "$(LIBDIR)"/$(LIBPREF)$(NAME)_dll.a "$(LIBDIR)"/$(LIBPREF)$(NAME)_dll.lib'
2274         enable dos_paths
2275         ;;
2276     gnu/kfreebsd)
2277         ;;
2278     gnu)
2279         ;;
2280     none)
2281         ;;
2282     *)
2283         die "Unknown OS '$target_os'."
2284         ;;
2285 esac
2286
2287 check_cpp_condition stdlib.h "defined(__PIC__) || defined(__pic__) || defined(PIC)" && enable pic
2288
2289 set_default $PATHS_LIST
2290
2291 add_extralibs $osextralibs
2292
2293 # Combine FFLDFLAGS and the LDFLAGS environment variable.
2294 LDFLAGS="$FFLDFLAGS $LDFLAGS"
2295
2296 # we need to build at least one lib type
2297 if ! enabled_any static shared; then
2298     cat <<EOF
2299 At least one library type must be built.
2300 Specify --enable-static to build the static libraries or --enable-shared to
2301 build the shared libraries as well. To only build the shared libraries specify
2302 --disable-static in addition to --enable-shared.
2303 EOF
2304     exit 1;
2305 fi
2306
2307 disabled static && LIBNAME=""
2308
2309 if enabled_any libfaad libfaadbin ; then
2310     if check_header faad.h; then
2311         check_cc <<EOF
2312 #include <faad.h>
2313 #ifndef FAAD2_VERSION
2314 ok faad1
2315 #endif
2316 int main(void) { return 0; }
2317 EOF
2318         test $? = 0 && enable libfaad2
2319     else
2320         die "FAAD test failed."
2321     fi
2322 fi
2323
2324
2325 die_license_disabled() {
2326     enabled $1 || { enabled $2 && die "$2 is $1 and --enable-$1 is not specified."; }
2327 }
2328
2329 die_license_disabled gpl libfaad2
2330 die_license_disabled gpl libx264
2331 die_license_disabled gpl libxvid
2332 die_license_disabled gpl postproc
2333 die_license_disabled gpl x11grab
2334
2335 die_license_disabled nonfree libfaac
2336
2337 die_license_disabled version3 libopencore_amrnb
2338 die_license_disabled version3 libopencore_amrwb
2339
2340 enabled version3 && { enabled gpl && enable gplv3 || enable lgplv3; }
2341
2342 check_deps $ARCH_EXT_LIST
2343
2344 disabled optimizations || check_cflags -fomit-frame-pointer
2345
2346 enable_pic() {
2347     enable pic
2348     add_cppflags -DPIC
2349     add_cflags   -fPIC
2350     add_asflags  -fPIC
2351 }
2352
2353 enabled pic && enable_pic
2354
2355 check_cc <<EOF || die "Symbol mangling check failed."
2356 int ff_extern;
2357 EOF
2358 sym=$($nm $nm_opts $TMPO | awk '/ff_extern/{ print substr($0, match($0, /[^ \t]*ff_extern/)) }')
2359 extern_prefix=${sym%%ff_extern*}
2360
2361 check_cc <<EOF && enable inline_asm
2362 void foo(void) { __asm__ volatile ("" ::); }
2363 EOF
2364
2365 _restrict=
2366 for restrict_keyword in restrict __restrict__ __restrict; do
2367     check_cc <<EOF && _restrict=$restrict_keyword && break
2368 void foo(char * $restrict_keyword p);
2369 EOF
2370 done
2371
2372 check_cc <<EOF && enable attribute_packed
2373 struct { int x; } __attribute__((packed)) x;
2374 EOF
2375
2376 check_cc <<EOF && enable attribute_may_alias
2377 union { int x; } __attribute__((may_alias)) x;
2378 EOF
2379
2380 check_cc <<EOF || die "endian test failed"
2381 unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';
2382 EOF
2383 od -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian
2384
2385 if enabled alpha; then
2386
2387     check_cflags -mieee
2388
2389 elif enabled arm; then
2390
2391     check_cflags -marm
2392
2393     check_ld <<EOF && enable vfp_args
2394 __asm__ (".eabi_attribute 28, 1");
2395 int main(void) { return 0; }
2396 EOF
2397
2398     # We have to check if pld is a nop and disable it.
2399     check_asm pld '"pld [r0]"'
2400
2401     enabled armv5te && check_asm armv5te '"qadd r0, r0, r0"'
2402     enabled armv6   && check_asm armv6   '"sadd16 r0, r0, r0"'
2403     enabled armv6t2 && check_asm armv6t2 '"movt r0, #0"'
2404     enabled armvfp  && check_asm armvfp  '"fadds s0, s0, s0"'
2405     enabled iwmmxt  && check_asm iwmmxt  '"wunpckelub wr6, wr4"'
2406     enabled neon    && check_asm neon    '"vadd.i16 q0, q0, q0"'
2407
2408     enabled_all armv6t2 shared !pic && enable_pic
2409
2410 elif enabled ia64; then
2411
2412     # HACK: currently fails to build if .bss is > 4MB and shared libs are built
2413     enabled shared && enable_weak hardcoded_tables
2414
2415 elif enabled mips; then
2416
2417     check_asm loongson '"dmult.g $1, $2, $3"'
2418     enabled mmi     && check_asm mmi     '"lq $2, 0($2)"'
2419
2420 elif enabled ppc; then
2421
2422     enable local_aligned_8 local_aligned_16
2423
2424     check_asm dcbzl     '"dcbzl 0, 1"'
2425     check_asm ppc4xx    '"maclhw r10, r11, r12"'
2426     check_asm xform_asm '"lwzx %1, %y0" :: "Z"(*(int*)0), "r"(0)'
2427
2428     # AltiVec flags: The FSF version of GCC differs from the Apple version
2429     if enabled altivec; then
2430         check_cflags -maltivec -mabi=altivec &&
2431         { check_header altivec.h && inc_altivec_h="#include <altivec.h>" ; } ||
2432         check_cflags -faltivec
2433
2434         # check if our compiler supports Motorola AltiVec C API
2435         check_cc <<EOF || disable altivec
2436 $inc_altivec_h
2437 int main(void) {
2438     vector signed int v1, v2, v3;
2439     v1 = vec_add(v2,v3);
2440     return 0;
2441 }
2442 EOF
2443
2444         # check if our compiler supports braces for vector declarations
2445         check_cc <<EOF || die "You need a compiler that supports {} in AltiVec vector declarations."
2446 $inc_altivec_h
2447 int main (void) { (vector int) {1}; return 0; }
2448 EOF
2449     fi
2450
2451 elif enabled sparc; then
2452
2453     enabled vis && check_asm vis '"pdist %f0, %f0, %f0"' -mcpu=ultrasparc &&
2454         add_cflags -mcpu=ultrasparc -mtune=ultrasparc
2455
2456 elif enabled x86; then
2457
2458     enable local_aligned_8 local_aligned_16
2459
2460     # check whether EBP is available on x86
2461     # As 'i' is stored on the stack, this program will crash
2462     # if the base pointer is used to access it because the
2463     # base pointer is cleared in the inline assembly code.
2464     check_exec_crash <<EOF && enable ebp_available
2465     volatile int i=0;
2466     __asm__ volatile (
2467         "xorl %%ebp, %%ebp"
2468     ::: "%ebp");
2469     return i;
2470 EOF
2471
2472     # check whether EBX is available on x86
2473     check_asm ebx_available '""::"b"(0)' &&
2474         check_asm ebx_available '"":::"%ebx"'
2475
2476     # check whether more than 10 operands are supported
2477     check_cc <<EOF && enable ten_operands
2478 int main(void) {
2479     int x=0;
2480     __asm__ volatile(
2481         ""
2482         :"+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x)
2483     );
2484     return 0;
2485 }
2486 EOF
2487
2488     # check whether binutils is new enough to compile SSSE3/MMX2
2489     enabled ssse3 && check_asm ssse3 '"pabsw %xmm0, %xmm0"'
2490     enabled mmx2  && check_asm mmx2  '"pmaxub %mm0, %mm1"'
2491
2492     check_asm bswap '"bswap %%eax" ::: "%eax"'
2493
2494     YASMFLAGS="-f $objformat -DARCH_$(toupper $subarch)"
2495     enabled     x86_64        && append YASMFLAGS "-m amd64"
2496     enabled     pic           && append YASMFLAGS "-DPIC"
2497     test -n "$extern_prefix"  && append YASMFLAGS "-DPREFIX"
2498     case "$objformat" in
2499         elf) enabled debug && append YASMFLAGS "-g dwarf2" ;;
2500     esac
2501     disabled yasm || { check_yasm "pabsw xmm0, xmm0" && enable yasm; }
2502
2503     case "$cpu" in
2504         athlon*|opteron*|k8*|pentium|pentium-mmx|prescott|nocona|atom|geode)
2505             disable fast_clz
2506         ;;
2507     esac
2508
2509 fi
2510
2511 if check_func dlopen; then
2512     ldl=
2513 elif check_func dlopen -ldl; then
2514     ldl=-ldl
2515 fi
2516
2517 # Solaris has nanosleep in -lrt, OpenSolaris no longer needs that
2518 check_func nanosleep || { check_func nanosleep -lrt && add_extralibs -lrt; }
2519
2520 check_func  fork
2521 check_func  getaddrinfo $network_extralibs
2522 check_func  gethrtime
2523 check_func  getrusage
2524 check_struct "sys/time.h sys/resource.h" "struct rusage" ru_maxrss
2525 check_func  inet_aton $network_extralibs
2526 check_func  isatty
2527 check_func  ${malloc_prefix}memalign            && enable memalign
2528 check_func  mkstemp
2529 check_func  ${malloc_prefix}posix_memalign      && enable posix_memalign
2530 check_func  setrlimit
2531 check_func  strerror_r
2532 check_func_headers io.h setmode
2533 check_func_headers lzo/lzo1x.h lzo1x_999_compress
2534 check_lib2 "windows.h psapi.h" GetProcessMemoryInfo -lpsapi
2535 check_func_headers windows.h GetProcessTimes
2536 check_func_headers windows.h VirtualAlloc
2537
2538 check_header conio.h
2539 check_header dlfcn.h
2540 check_header dxva2api.h
2541 check_header malloc.h
2542 check_header poll.h
2543 check_header sys/mman.h
2544 check_header sys/resource.h
2545 check_header sys/select.h
2546 check_header termios.h
2547 check_header vdpau/vdpau.h
2548 check_header vdpau/vdpau_x11.h
2549 check_header X11/extensions/XvMClib.h
2550
2551 check_struct dxva2api.h DXVA_PictureParameters wDecodedPictureIndex
2552
2553 if ! enabled_any memalign memalign_hack posix_memalign malloc_aligned &&
2554      enabled_any $need_memalign ; then
2555     die "Error, no aligned memory allocator but SSE enabled, disable it or use --enable-memalign-hack."
2556 fi
2557
2558 disabled  zlib || check_lib   zlib.h      zlibVersion -lz   || disable  zlib
2559 disabled bzlib || check_lib2 bzlib.h BZ2_bzlibVersion -lbz2 || disable bzlib
2560
2561 # check for some common methods of building with pthread support
2562 # do this before the optional library checks as some of them require pthreads
2563 if enabled pthreads; then
2564     if check_func pthread_create; then
2565         :
2566     elif check_func pthread_create -pthread; then
2567         add_cflags -pthread
2568         add_extralibs -pthread
2569     elif check_func pthread_create -pthreads; then
2570         add_cflags -pthreads
2571         add_extralibs -pthreads
2572     elif check_func pthread_create -lpthreadGC2; then
2573         add_extralibs -lpthreadGC2
2574     elif ! check_lib pthread.h pthread_create -lpthread; then
2575         die "ERROR: can't find pthreads library"
2576     fi
2577 fi
2578
2579 for thread in $THREADS_LIST; do
2580     if enabled $thread; then
2581         test -n "$thread_type" &&
2582             die "ERROR: Only one thread type must be selected." ||
2583             thread_type="$thread"
2584     fi
2585 done
2586
2587 check_lib math.h sin -lm
2588 check_lib va/va.h vaInitialize -lva
2589
2590 check_mathfunc exp2
2591 check_mathfunc exp2f
2592 check_mathfunc llrint
2593 check_mathfunc log2
2594 check_mathfunc log2f
2595 check_mathfunc lrint
2596 check_mathfunc lrintf
2597 check_mathfunc round
2598 check_mathfunc roundf
2599 check_mathfunc truncf
2600
2601 # these are off by default, so fail if requested and not available
2602 enabled avisynth   && require2 vfw32 "windows.h vfw.h" AVIFileInit -lavifil32
2603 enabled libdirac   && add_cflags $(pkg-config --cflags dirac) &&
2604                       require  libdirac libdirac_decoder/dirac_parser.h dirac_decoder_init $(pkg-config --libs dirac) &&
2605                       require  libdirac libdirac_encoder/dirac_encoder.h dirac_encoder_init $(pkg-config --libs dirac)
2606 enabled libfaac    && require2 libfaac "stdint.h faac.h" faacEncGetVersion -lfaac
2607 enabled libfaad    && require2 libfaad faad.h faacDecOpen -lfaad
2608 enabled libgsm     && require  libgsm gsm/gsm.h gsm_create -lgsm
2609 enabled libmp3lame && require  libmp3lame lame/lame.h lame_init -lmp3lame -lm
2610 enabled libnut     && require  libnut libnut.h nut_demuxer_init -lnut
2611 enabled libopencore_amrnb  && require libopencore_amrnb opencore-amrnb/interf_dec.h Decoder_Interface_init -lopencore-amrnb -lm
2612 enabled libopencore_amrwb  && require libopencore_amrwb opencore-amrwb/dec_if.h D_IF_init -lopencore-amrwb -lm
2613 enabled libopenjpeg && require libopenjpeg openjpeg.h opj_version -lopenjpeg
2614 enabled librtmp    && require  librtmp librtmp/rtmp.h RTMP_Init -lrtmp
2615 enabled libschroedinger && add_cflags $(pkg-config --cflags schroedinger-1.0) &&
2616                            require libschroedinger schroedinger/schro.h schro_init $(pkg-config --libs schroedinger-1.0)
2617 enabled libspeex   && require  libspeex speex/speex.h speex_decoder_init -lspeex
2618 enabled libtheora  && require  libtheora theora/theoraenc.h th_info_init -ltheoraenc -ltheoradec -logg
2619 enabled libvorbis  && require  libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbisenc -lvorbis -logg
2620 enabled libx264    && require  libx264 x264.h x264_encoder_encode -lx264 -lm &&
2621                       { check_cpp_condition x264.h "X264_BUILD >= 83" ||
2622                         die "ERROR: libx264 version must be >= 0.83."; }
2623 enabled libxvid    && require  libxvid xvid.h xvid_global -lxvidcore
2624 enabled mlib       && require  mediaLib mlib_types.h mlib_VectorSub_S16_U8_Mod -lmlib
2625
2626 # libdc1394 check
2627 if enabled libdc1394; then
2628     { check_lib dc1394/dc1394.h dc1394_new -ldc1394 -lraw1394 &&
2629         enable libdc1394_2; } ||
2630     { check_lib libdc1394/dc1394_control.h dc1394_create_handle -ldc1394_control -lraw1394 &&
2631         enable libdc1394_1; } ||
2632     die "ERROR: No version of libdc1394 found "
2633 fi
2634
2635 SDL_CONFIG="${cross_prefix}sdl-config"
2636 if "${SDL_CONFIG}" --version > /dev/null 2>&1; then
2637     sdl_cflags=$("${SDL_CONFIG}" --cflags)
2638     sdl_libs=$("${SDL_CONFIG}" --libs)
2639     check_func_headers SDL.h SDL_Init $sdl_cflags $sdl_libs &&
2640     check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x010201" $sdl_cflags &&
2641     enable sdl &&
2642     check_struct SDL.h SDL_VideoInfo current_w $sdl_cflags && enable sdl_video_size
2643 fi
2644
2645 texi2html -version > /dev/null 2>&1 && enable texi2html || disable texi2html
2646
2647 if enabled network; then
2648     check_type "sys/types.h sys/socket.h" socklen_t
2649     check_type netdb.h "struct addrinfo"
2650     check_type netinet/in.h "struct ipv6_mreq"
2651     check_type netinet/in.h "struct sockaddr_in6"
2652     check_type "sys/types.h sys/socket.h" "struct sockaddr_storage"
2653     check_struct "sys/types.h sys/socket.h" "struct sockaddr" sa_len
2654     # Prefer arpa/inet.h over winsock2
2655     if check_header arpa/inet.h ; then
2656         check_func closesocket
2657     elif check_header winsock2.h ; then
2658         check_func_headers winsock2.h closesocket -lws2 && \
2659             network_extralibs="-lws2" || \
2660         { check_func_headers winsock2.h closesocket -lws2_32 && \
2661             network_extralibs="-lws2_32"; }
2662         check_type ws2tcpip.h socklen_t
2663         check_type ws2tcpip.h "struct addrinfo"
2664         check_type ws2tcpip.h "struct ipv6_mreq"
2665         check_type ws2tcpip.h "struct sockaddr_in6"
2666         check_type ws2tcpip.h "struct sockaddr_storage"
2667         check_struct winsock2.h "struct sockaddr" sa_len
2668     else
2669         disable network
2670     fi
2671 fi
2672
2673 check_header linux/videodev.h
2674 check_header linux/videodev2.h
2675 check_header sys/videoio.h
2676
2677 check_func_headers "windows.h vfw.h" capCreateCaptureWindow "$vfwcap_indev_extralibs"
2678
2679 # check for ioctl_meteor.h, ioctl_bt848.h and alternatives
2680 { check_header dev/bktr/ioctl_meteor.h &&
2681   check_header dev/bktr/ioctl_bt848.h; } ||
2682 { check_header machine/ioctl_meteor.h &&
2683   check_header machine/ioctl_bt848.h; } ||
2684 { check_header dev/video/meteor/ioctl_meteor.h &&
2685   check_header dev/video/bktr/ioctl_bt848.h; } ||
2686 check_header dev/ic/bt8xx.h
2687
2688 check_header sys/soundcard.h
2689 check_header soundcard.h
2690
2691 enabled_any alsa_indev alsa_outdev && check_lib2 alsa/asoundlib.h snd_pcm_htimestamp -lasound
2692
2693 enabled jack_indev && check_lib2 jack/jack.h jack_client_open -ljack
2694
2695 enabled x11grab                         &&
2696 check_header X11/Xlib.h                 &&
2697 check_header X11/extensions/XShm.h      &&
2698 check_header X11/extensions/Xfixes.h    &&
2699 check_func XOpenDisplay -lX11           &&
2700 check_func XShmCreateImage -lX11 -lXext &&
2701 check_func XFixesGetCursorImage -lX11 -lXext -lXfixes
2702
2703 if ! disabled vdpau && enabled vdpau_vdpau_h; then
2704 check_cpp_condition \
2705     vdpau/vdpau.h "defined VDP_DECODER_PROFILE_MPEG4_PART2_ASP" ||
2706     { echolog "Please upgrade to libvdpau >= 0.2 if you would like vdpau support." &&
2707       disable vdpau; }
2708 fi
2709
2710 enabled debug && add_cflags -g"$debuglevel" && add_asflags -g"$debuglevel"
2711
2712 # add some useful compiler flags if supported
2713 check_cflags -Wdeclaration-after-statement
2714 check_cflags -Wall
2715 check_cflags -Wno-switch
2716 check_cflags -Wdisabled-optimization
2717 check_cflags -Wpointer-arith
2718 check_cflags -Wredundant-decls
2719 check_cflags -Wno-pointer-sign
2720 check_cflags -Wcast-qual
2721 check_cflags -Wwrite-strings
2722 check_cflags -Wtype-limits
2723 check_cflags -Wundef
2724 check_cflags -Wmissing-prototypes
2725 enabled extra_warnings && check_cflags -Winline
2726
2727 # add some linker flags
2728 check_ldflags -Wl,--warn-common
2729 check_ldflags -Wl,--as-needed
2730 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'
2731 check_ldflags -Wl,-Bsymbolic
2732
2733 echo "X{};" > $TMPV
2734 test_ldflags -Wl,--version-script,$TMPV &&
2735     append SHFLAGS '-Wl,--version-script,\$(SUBDIR)lib\$(NAME).ver'
2736
2737 if enabled small; then
2738     add_cflags $size_cflags
2739     optimizations="small"
2740 elif enabled optimizations; then
2741     add_cflags $speed_cflags
2742 fi
2743 check_cflags -fno-math-errno
2744 check_cflags -fno-signed-zeros
2745
2746 if enabled icc; then
2747     # Just warnings, no remarks
2748     check_cflags -w1
2749     # -wd: Disable following warnings
2750     # 144, 167, 556: -Wno-pointer-sign
2751     # 10006: ignoring unknown option -fno-signed-zeros
2752     # 10156: ignoring option '-W'; no argument required
2753     check_cflags -wd144,167,556,10006,10156
2754     # 11030: Warning unknown option --as-needed
2755     # 10156: ignoring option '-export'; no argument required
2756     check_ldflags -wd10156,11030
2757     # Allow to compile with optimizations
2758     check_ldflags -march=$cpu
2759     # icc 11.0 and 11.1 work with ebp_available, but don't pass the test
2760     enable ebp_available
2761 elif enabled ccc; then
2762     # disable some annoying warnings
2763     add_cflags -msg_disable cvtu32to64
2764     add_cflags -msg_disable embedcomment
2765     add_cflags -msg_disable needconstext
2766     add_cflags -msg_disable nomainieee
2767     add_cflags -msg_disable ptrmismatch1
2768     add_cflags -msg_disable unreachcode
2769 elif enabled gcc; then
2770     check_cflags -fno-tree-vectorize
2771     check_cflags -Werror=implicit
2772     check_cflags -Werror=missing-prototypes
2773 elif enabled clang; then
2774     check_cflags -Qunused-arguments
2775 elif enabled armcc; then
2776     # 2523: use of inline assembler is deprecated
2777     add_cflags -Wrvct,--diag_suppress=2523
2778     add_cflags -Wrvct,--diag_suppress=1207
2779 elif enabled tms470; then
2780     add_cflags -pds=824 -pds=837
2781 fi
2782
2783 if enabled gprof; then
2784     add_cflags  -p
2785     add_ldflags -p
2786 fi
2787
2788 # Find out if the .align argument is a power of two or not.
2789 check_asm asmalign_pot '".align 3"'
2790
2791 enabled_any $DECODER_LIST      && enable decoders
2792 enabled_any $ENCODER_LIST      && enable encoders
2793 enabled_any $HWACCEL_LIST      && enable hwaccels
2794 enabled_any $BSF_LIST          && enable bsfs
2795 enabled_any $DEMUXER_LIST      && enable demuxers
2796 enabled_any $MUXER_LIST        && enable muxers
2797 enabled_any $FILTER_LIST       && enable filters
2798 enabled_any $INDEV_LIST        && enable indevs
2799 enabled_any $OUTDEV_LIST       && enable outdevs
2800 enabled_any $PROTOCOL_LIST     && enable protocols
2801
2802 enabled_any $THREADS_LIST      && enable threads
2803
2804 check_deps $CONFIG_LIST       \
2805            $CONFIG_EXTRA      \
2806            $HAVE_LIST         \
2807            $DECODER_LIST      \
2808            $ENCODER_LIST      \
2809            $HWACCEL_LIST      \
2810            $PARSER_LIST       \
2811            $BSF_LIST          \
2812            $DEMUXER_LIST      \
2813            $MUXER_LIST        \
2814            $FILTER_LIST       \
2815            $INDEV_LIST        \
2816            $OUTDEV_LIST       \
2817            $PROTOCOL_LIST     \
2818
2819 enabled asm || disable $ARCH_LIST $ARCH_EXT_LIST
2820
2821 echo "install prefix            $prefix"
2822 echo "source path               $source_path"
2823 echo "C compiler                $cc"
2824 echo ".align is power-of-two    $asmalign_pot"
2825 echo "ARCH                      $arch ($cpu)"
2826 if test "$build_suffix" != ""; then
2827     echo "build suffix              $build_suffix"
2828 fi
2829 if test "$extra_version" != ""; then
2830     echo "version string suffix     $extra_version"
2831 fi
2832 echo "big-endian                ${bigendian-no}"
2833 echo "runtime cpu detection     ${runtime_cpudetect-no}"
2834 if enabled x86; then
2835     echo "yasm                      ${yasm-no}"
2836     echo "MMX enabled               ${mmx-no}"
2837     echo "MMX2 enabled              ${mmx2-no}"
2838     echo "3DNow! enabled            ${amd3dnow-no}"
2839     echo "3DNow! extended enabled   ${amd3dnowext-no}"
2840     echo "SSE enabled               ${sse-no}"
2841     echo "SSSE3 enabled             ${ssse3-no}"
2842     echo "CMOV enabled              ${cmov-no}"
2843     echo "CMOV is fast              ${fast_cmov-no}"
2844     echo "EBX available             ${ebx_available-no}"
2845     echo "EBP available             ${ebp_available-no}"
2846     echo "10 operands supported     ${ten_operands-no}"
2847 fi
2848 if enabled arm; then
2849     echo "ARMv5TE enabled           ${armv5te-no}"
2850     echo "ARMv6 enabled             ${armv6-no}"
2851     echo "ARMv6T2 enabled           ${armv6t2-no}"
2852     echo "ARM VFP enabled           ${armvfp-no}"
2853     echo "IWMMXT enabled            ${iwmmxt-no}"
2854     echo "NEON enabled              ${neon-no}"
2855 fi
2856 if enabled mips; then
2857     echo "MMI enabled               ${mmi-no}"
2858 fi
2859 if enabled ppc; then
2860     echo "AltiVec enabled           ${altivec-no}"
2861     echo "PPC 4xx optimizations     ${ppc4xx-no}"
2862     echo "dcbzl available           ${dcbzl-no}"
2863     echo "performance report        ${powerpc_perf-no}"
2864 fi
2865 if enabled sparc; then
2866     echo "VIS enabled               ${vis-no}"
2867 fi
2868 echo "gprof enabled             ${gprof-no}"
2869 echo "debug symbols             ${debug-no}"
2870 echo "strip symbols             ${stripping-no}"
2871 echo "optimizations             ${optimizations-no}"
2872 echo "static                    ${static-no}"
2873 echo "shared                    ${shared-no}"
2874 echo "postprocessing support    ${postproc-no}"
2875 echo "new filter support        ${avfilter-no}"
2876 echo "filters using lavformat   ${avfilter_lavf-no}"
2877 echo "network support           ${network-no}"
2878 echo "threading support         ${thread_type-no}"
2879 echo "SDL support               ${sdl-no}"
2880 echo "Sun medialib support      ${mlib-no}"
2881 echo "AVISynth enabled          ${avisynth-no}"
2882 echo "libdc1394 support         ${libdc1394-no}"
2883 echo "libdirac enabled          ${libdirac-no}"
2884 echo "libfaac enabled           ${libfaac-no}"
2885 echo "libfaad enabled           ${libfaad-no}"
2886 echo "libfaad dlopened          ${libfaadbin-no}"
2887 echo "libgsm enabled            ${libgsm-no}"
2888 echo "libmp3lame enabled        ${libmp3lame-no}"
2889 echo "libnut enabled            ${libnut-no}"
2890 echo "libopencore-amrnb support ${libopencore_amrnb-no}"
2891 echo "libopencore-amrwb support ${libopencore_amrwb-no}"
2892 echo "libopenjpeg enabled       ${libopenjpeg-no}"
2893 echo "librtmp enabled           ${librtmp-no}"
2894 echo "libschroedinger enabled   ${libschroedinger-no}"
2895 echo "libspeex enabled          ${libspeex-no}"
2896 echo "libtheora enabled         ${libtheora-no}"
2897 echo "libvorbis enabled         ${libvorbis-no}"
2898 echo "libx264 enabled           ${libx264-no}"
2899 echo "libxvid enabled           ${libxvid-no}"
2900 echo "zlib enabled              ${zlib-no}"
2901 echo "bzlib enabled             ${bzlib-no}"
2902 echo
2903
2904 for type in decoder encoder hwaccel parser demuxer muxer protocol filter bsf indev outdev; do
2905     echo "Enabled ${type}s:"
2906     eval list=\$$(toupper $type)_LIST
2907     for part in $list; do
2908         enabled $part && echo ${part%_*}
2909     done | sort | pr -3 -t
2910     echo
2911 done
2912
2913 license="LGPL version 2.1 or later"
2914 if enabled nonfree; then
2915     license="nonfree and unredistributable"
2916 elif enabled gplv3; then
2917     license="GPL version 3 or later"
2918 elif enabled lgplv3; then
2919     license="LGPL version 3 or later"
2920 elif enabled gpl; then
2921     license="GPL version 2 or later"
2922 fi
2923
2924 echo "License: $license"
2925
2926 echo "Creating config.mak and config.h..."
2927
2928 # build tree in object directory if source path is different from current one
2929 if enabled source_path_used; then
2930     DIRS="
2931         doc
2932         libavcodec
2933         libavcodec/$arch
2934         libavdevice
2935         libavfilter
2936         libavformat
2937         libavutil
2938         libavutil/$arch
2939         libpostproc
2940         libswscale
2941         libswscale/$arch
2942         tests
2943         tools
2944     "
2945     FILES="
2946         Makefile
2947         common.mak
2948         subdir.mak
2949         doc/texi2pod.pl
2950         libavcodec/Makefile
2951         libavcodec/${arch}/Makefile
2952         libavdevice/Makefile
2953         libavfilter/Makefile
2954         libavformat/Makefile
2955         libavutil/Makefile
2956         libpostproc/Makefile
2957         libswscale/Makefile
2958     "
2959     map 'mkdir -p $v' $DIRS;
2960     map 'test -f "$source_path/$v" && $ln_s "$source_path/$v" $v' $FILES
2961 fi
2962
2963 enabled stripping || strip="echo skipping strip"
2964
2965 cat > config.mak <<EOF
2966 # Automatically generated by configure - do not modify!
2967 ifndef FFMPEG_CONFIG_MAK
2968 FFMPEG_CONFIG_MAK=1
2969 FFMPEG_CONFIGURATION=$FFMPEG_CONFIGURATION
2970 prefix=$prefix
2971 LIBDIR=\$(DESTDIR)$libdir
2972 SHLIBDIR=\$(DESTDIR)$shlibdir
2973 INCDIR=\$(DESTDIR)$incdir
2974 BINDIR=\$(DESTDIR)$bindir
2975 DATADIR=\$(DESTDIR)$datadir
2976 MANDIR=\$(DESTDIR)$mandir
2977 SRC_PATH="$source_path"
2978 SRC_PATH_BARE=$source_path
2979 BUILD_ROOT="$PWD"
2980 ARCH=$arch
2981 CC=$cc
2982 AS=$as
2983 LD=$ld
2984 DEPCC=$dep_cc
2985 YASM=$yasmexe
2986 YASMDEP=$yasmexe
2987 AR=$ar
2988 RANLIB=$ranlib
2989 CP=cp -p
2990 LN_S=$ln_s
2991 STRIP=$strip
2992 CPPFLAGS=$CPPFLAGS
2993 CFLAGS=$CFLAGS
2994 ASFLAGS=$ASFLAGS
2995 CC_O=$CC_O
2996 LDFLAGS=$LDFLAGS
2997 FFSERVERLDFLAGS=$FFSERVERLDFLAGS
2998 SHFLAGS=$SHFLAGS
2999 YASMFLAGS=$YASMFLAGS
3000 BUILDSUF=$build_suffix
3001 FULLNAME=$FULLNAME
3002 LIBPREF=$LIBPREF
3003 LIBSUF=$LIBSUF
3004 LIBNAME=$LIBNAME
3005 SLIBPREF=$SLIBPREF
3006 SLIBSUF=$SLIBSUF
3007 EXESUF=$EXESUF
3008 EXTRA_VERSION=$extra_version
3009 DEPFLAGS=$DEPFLAGS
3010 CCDEP=$CCDEP
3011 ASDEP=$ASDEP
3012 CC_DEPFLAGS=$CC_DEPFLAGS
3013 AS_DEPFLAGS=$AS_DEPFLAGS
3014 HOSTCC=$host_cc
3015 HOSTCFLAGS=$host_cflags
3016 HOSTEXESUF=$HOSTEXESUF
3017 HOSTLDFLAGS=$host_ldflags
3018 HOSTLIBS=$host_libs
3019 TARGET_EXEC=$target_exec
3020 TARGET_PATH=$target_path
3021 SDL_LIBS=$sdl_libs
3022 SDL_CFLAGS=$sdl_cflags
3023 LIB_INSTALL_EXTRA_CMD=$LIB_INSTALL_EXTRA_CMD
3024 EXTRALIBS=$extralibs
3025 INSTALL=install
3026 LIBTARGET=${LIBTARGET}
3027 SLIBNAME=${SLIBNAME}
3028 SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}
3029 SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}
3030 SLIB_CREATE_DEF_CMD=${SLIB_CREATE_DEF_CMD}
3031 SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}
3032 SLIB_INSTALL_EXTRA_CMD=${SLIB_INSTALL_EXTRA_CMD}
3033 SLIB_UNINSTALL_EXTRA_CMD=${SLIB_UNINSTALL_EXTRA_CMD}
3034 SAMPLES=$samples
3035 EOF
3036
3037 get_version(){
3038     name=$1
3039     file=$source_path/$2
3040     eval $(grep "#define ${name}_VERSION_M" "$file" | awk '{ print $2"="$3 }')
3041     eval ${name}_VERSION=\$${name}_VERSION_MAJOR.\$${name}_VERSION_MINOR.\$${name}_VERSION_MICRO
3042     lcname=$(tolower $name)
3043     eval echo "${lcname}_VERSION=\$${name}_VERSION" >> config.mak
3044     eval echo "${lcname}_VERSION_MAJOR=\$${name}_VERSION_MAJOR" >> config.mak
3045 }
3046
3047 get_version LIBSWSCALE  libswscale/swscale.h
3048 get_version LIBPOSTPROC libpostproc/postprocess.h
3049 get_version LIBAVCODEC  libavcodec/avcodec.h
3050 get_version LIBAVDEVICE libavdevice/avdevice.h
3051 get_version LIBAVFORMAT libavformat/avformat.h
3052 get_version LIBAVUTIL   libavutil/avutil.h
3053 get_version LIBAVFILTER libavfilter/avfilter.h
3054
3055 enabled asmalign_pot || align_shift="1 <<"
3056
3057 cat > $TMPH <<EOF
3058 /* Automatically generated by configure - do not modify! */
3059 #ifndef FFMPEG_CONFIG_H
3060 #define FFMPEG_CONFIG_H
3061 #define FFMPEG_CONFIGURATION "$(c_escape $FFMPEG_CONFIGURATION)"
3062 #define FFMPEG_LICENSE "$(c_escape $license)"
3063 #define FFMPEG_DATADIR "$(eval c_escape $datadir)"
3064 #define CC_TYPE "$cc_type"
3065 #define CC_VERSION $cc_version
3066 #define restrict $_restrict
3067 #define ASMALIGN(ZEROBITS) ".align $align_shift " #ZEROBITS "\\n\\t"
3068 #define EXTERN_PREFIX "${extern_prefix}"
3069 #define EXTERN_ASM ${extern_prefix}
3070 EOF
3071
3072 test -n "$malloc_prefix" &&
3073     echo "#define MALLOC_PREFIX $malloc_prefix" >>$TMPH
3074
3075 if enabled small || disabled optimizations; then
3076     echo "#undef  av_always_inline"  >> $TMPH
3077     echo "#define av_always_inline"  >> $TMPH
3078 fi
3079
3080 print_config ARCH_   $TMPH config.mak $ARCH_LIST
3081 print_config HAVE_   $TMPH config.mak $HAVE_LIST
3082 print_config CONFIG_ $TMPH config.mak $CONFIG_LIST       \
3083                                       $CONFIG_EXTRA      \
3084                                       $DECODER_LIST      \
3085                                       $ENCODER_LIST      \
3086                                       $HWACCEL_LIST      \
3087                                       $PARSER_LIST       \
3088                                       $BSF_LIST          \
3089                                       $DEMUXER_LIST      \
3090                                       $MUXER_LIST        \
3091                                       $FILTER_LIST       \
3092                                       $PROTOCOL_LIST     \
3093                                       $INDEV_LIST        \
3094                                       $OUTDEV_LIST       \
3095
3096 echo "#endif /* FFMPEG_CONFIG_H */" >> $TMPH
3097 echo "endif # FFMPEG_CONFIG_MAK" >> config.mak
3098
3099 # Do not overwrite an unchanged config.h to avoid superfluous rebuilds.
3100 cp_if_changed $TMPH config.h
3101
3102 cat > $TMPH <<EOF
3103 /* Generated by ffconf */
3104 #ifndef AVUTIL_AVCONFIG_H
3105 #define AVUTIL_AVCONFIG_H
3106 EOF
3107
3108 print_config AV_HAVE_ $TMPH /dev/null $HAVE_LIST_PUB
3109
3110 echo "#endif /* AVUTIL_AVCONFIG_H */" >> $TMPH
3111
3112 cp_if_changed $TMPH libavutil/avconfig.h
3113
3114 # build pkg-config files
3115
3116 pkgconfig_generate(){
3117 name=$1
3118 shortname=${name#lib}${build_suffix}
3119 comment=$2
3120 version=$3
3121 libs=$4
3122 requires=$5
3123 cat <<EOF > $name/$name.pc
3124 prefix=$prefix
3125 exec_prefix=\${prefix}
3126 libdir=$libdir
3127 includedir=$incdir
3128
3129 Name: $name
3130 Description: $comment
3131 Version: $version
3132 Requires: $(enabled shared || echo $requires)
3133 Requires.private: $(enabled shared && echo $requires)
3134 Conflicts:
3135 Libs: -L\${libdir} -l${shortname} $(enabled shared || echo $libs)
3136 Libs.private: $(enabled shared && echo $libs)
3137 Cflags: -I\${includedir}
3138 EOF
3139 cat <<EOF > $name/$name-uninstalled.pc
3140 prefix=
3141 exec_prefix=
3142 libdir=\${pcfiledir}
3143 includedir=${source_path}
3144
3145 Name: $name
3146 Description: $comment
3147 Version: $version
3148 Requires: $requires
3149 Conflicts:
3150 Libs: \${libdir}/${LIBPREF}${shortname}${LIBSUF} $libs
3151 Cflags: -I\${includedir}
3152 EOF
3153 }
3154
3155 pkgconfig_generate libavutil "FFmpeg utility library" "$LIBAVUTIL_VERSION"
3156 pkgconfig_generate libavcodec "FFmpeg codec library" "$LIBAVCODEC_VERSION" "$extralibs" "libavutil = $LIBAVUTIL_VERSION"
3157 pkgconfig_generate libavformat "FFmpeg container format library" "$LIBAVFORMAT_VERSION" "$extralibs" "libavcodec = $LIBAVCODEC_VERSION"
3158 pkgconfig_generate libavdevice "FFmpeg device handling library" "$LIBAVDEVICE_VERSION" "$extralibs" "libavformat = $LIBAVFORMAT_VERSION"
3159 enabled avfilter &&
3160     pkgconfig_generate libavfilter "FFmpeg video filtering library" "$LIBAVFILTER_VERSION" "$extralibs" "libavutil = $LIBAVUTIL_VERSION"
3161 enabled postproc &&
3162     pkgconfig_generate libpostproc "FFmpeg post processing library" "$LIBPOSTPROC_VERSION"
3163 pkgconfig_generate libswscale "FFmpeg image rescaling library" "$LIBSWSCALE_VERSION" "" "libavutil = $LIBAVUTIL_VERSION"