git.sesse.net Git - ffmpeg/blob - configure

   1 #!/bin/sh
   2 #
   3 # Libav 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 LIBAV, 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 Libav."
  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 test -d /usr/xpg4/bin && PATH=/usr/xpg4/bin:$PATH
  58
  59 show_help(){
  60     cat <<EOF
  61 Usage: configure [options]
  62 Options: [defaults in brackets after descriptions]
  63
  64 Help options:
  65   --help                   print this message
  66   --list-decoders          show all available decoders
  67   --list-encoders          show all available encoders
  68   --list-hwaccels          show all available hardware accelerators
  69   --list-demuxers          show all available demuxers
  70   --list-muxers            show all available muxers
  71   --list-parsers           show all available parsers
  72   --list-protocols         show all available protocols
  73   --list-bsfs              show all available bitstream filters
  74   --list-indevs            show all available input devices
  75   --list-outdevs           show all available output devices
  76   --list-filters           show all available filters
  77
  78 Standard options:
  79   --logfile=FILE           log tests and output to FILE [config.log]
  80   --disable-logging        do not log configure debug information
  81   --prefix=PREFIX          install in PREFIX [$prefix]
  82   --bindir=DIR             install binaries in DIR [PREFIX/bin]
  83   --datadir=DIR            install data files in DIR [PREFIX/share/avconv]
  84   --libdir=DIR             install libs in DIR [PREFIX/lib]
  85   --shlibdir=DIR           install shared libs in DIR [PREFIX/lib]
  86   --incdir=DIR             install includes in DIR [PREFIX/include]
  87   --mandir=DIR             install man page in DIR [PREFIX/share/man]
  88
  89 Licensing options:
  90   --enable-gpl             allow use of GPL code, the resulting libs
  91                            and binaries will be under GPL [no]
  92   --enable-version3        upgrade (L)GPL to version 3 [no]
  93   --enable-nonfree         allow use of nonfree code, the resulting libs
  94                            and binaries will be unredistributable [no]
  95
  96 Configuration options:
  97   --disable-static         do not build static libraries [no]
  98   --enable-shared          build shared libraries [no]
  99   --enable-small           optimize for size instead of speed
 100   --enable-runtime-cpudetect detect cpu capabilities at runtime (bigger binary)
 101   --enable-gray            enable full grayscale support (slower color)
 102   --disable-swscale-alpha  disable alpha channel support in swscale
 103   --disable-all            disable building components, libraries and programs
 104
 105 Program options:
 106   --disable-programs       do not build command line programs
 107   --disable-avconv         disable avconv build
 108   --disable-avplay         disable avplay build
 109   --disable-avprobe        disable avprobe build
 110   --disable-avserver       disable avserver build
 111
 112 Component options:
 113   --disable-doc            do not build documentation
 114   --disable-avdevice       disable libavdevice build
 115   --disable-avcodec        disable libavcodec build
 116   --disable-avformat       disable libavformat build
 117   --disable-avutil         disable libavutil build
 118   --disable-swscale        disable libswscale build
 119   --disable-avfilter       disable video filter support [no]
 120   --disable-avresample     disable libavresample build [no]
 121   --disable-pthreads       disable pthreads [auto]
 122   --disable-w32threads     disable Win32 threads [auto]
 123   --disable-network        disable network support [no]
 124   --disable-dct            disable DCT code
 125   --disable-error-resilience disable error resilience code
 126   --disable-lsp            disable LSP code
 127   --disable-lzo            disable LZO decoder code
 128   --disable-mdct           disable MDCT code
 129   --disable-rdft           disable RDFT code
 130   --disable-fft            disable FFT code
 131
 132 Hardware accelerators:
 133   --enable-dxva2           enable DXVA2 code
 134   --enable-vaapi           enable VAAPI code
 135   --enable-vda             enable VDA code
 136   --enable-vdpau           enable VDPAU code
 137
 138 Individual component options:
 139   --disable-everything     disable all components listed below
 140   --disable-encoder=NAME   disable encoder NAME
 141   --enable-encoder=NAME    enable encoder NAME
 142   --disable-encoders       disable all encoders
 143   --disable-decoder=NAME   disable decoder NAME
 144   --enable-decoder=NAME    enable decoder NAME
 145   --disable-decoders       disable all decoders
 146   --disable-hwaccel=NAME   disable hwaccel NAME
 147   --enable-hwaccel=NAME    enable hwaccel NAME
 148   --disable-hwaccels       disable all hwaccels
 149   --disable-muxer=NAME     disable muxer NAME
 150   --enable-muxer=NAME      enable muxer NAME
 151   --disable-muxers         disable all muxers
 152   --disable-demuxer=NAME   disable demuxer NAME
 153   --enable-demuxer=NAME    enable demuxer NAME
 154   --disable-demuxers       disable all demuxers
 155   --enable-parser=NAME     enable parser NAME
 156   --disable-parser=NAME    disable parser NAME
 157   --disable-parsers        disable all parsers
 158   --enable-bsf=NAME        enable bitstream filter NAME
 159   --disable-bsf=NAME       disable bitstream filter NAME
 160   --disable-bsfs           disable all bitstream filters
 161   --enable-protocol=NAME   enable protocol NAME
 162   --disable-protocol=NAME  disable protocol NAME
 163   --disable-protocols      disable all protocols
 164   --enable-indev=NAME      enable input device NAME
 165   --disable-indev=NAME     disable input device NAME
 166   --disable-indevs         disable input devices
 167   --enable-outdev=NAME     enable output device NAME
 168   --disable-outdev=NAME    disable output device NAME
 169   --disable-outdevs        disable output devices
 170   --disable-devices        disable all devices
 171   --enable-filter=NAME     enable filter NAME
 172   --disable-filter=NAME    disable filter NAME
 173   --disable-filters        disable all filters
 174
 175 External library support:
 176   --enable-avisynth        enable reading of AviSynth script files [no]
 177   --enable-bzlib           enable bzlib [autodetect]
 178   --enable-frei0r          enable frei0r video filtering
 179   --enable-gnutls          enable gnutls [no]
 180   --enable-libcdio         enable audio CD grabbing with libcdio
 181   --enable-libdc1394       enable IIDC-1394 grabbing using libdc1394
 182                            and libraw1394 [no]
 183   --enable-libfaac         enable AAC encoding via libfaac [no]
 184   --enable-libfdk-aac      enable AAC encoding via libfdk-aac [no]
 185   --enable-libfreetype     enable libfreetype [no]
 186   --enable-libgsm          enable GSM de/encoding via libgsm [no]
 187   --enable-libilbc         enable iLBC de/encoding via libilbc [no]
 188   --enable-libmp3lame      enable MP3 encoding via libmp3lame [no]
 189   --enable-libopencore-amrnb enable AMR-NB de/encoding via libopencore-amrnb [no]
 190   --enable-libopencore-amrwb enable AMR-WB decoding via libopencore-amrwb [no]
 191   --enable-libopencv       enable video filtering via libopencv [no]
 192   --enable-libopenjpeg     enable JPEG 2000 de/encoding via OpenJPEG [no]
 193   --enable-libopus         enable Opus decoding via libopus [no]
 194   --enable-libpulse        enable Pulseaudio input via libpulse [no]
 195   --enable-librtmp         enable RTMP[E] support via librtmp [no]
 196   --enable-libschroedinger enable Dirac de/encoding via libschroedinger [no]
 197   --enable-libspeex        enable Speex de/encoding via libspeex [no]
 198   --enable-libtheora       enable Theora encoding via libtheora [no]
 199   --enable-libvo-aacenc    enable AAC encoding via libvo-aacenc [no]
 200   --enable-libvo-amrwbenc  enable AMR-WB encoding via libvo-amrwbenc [no]
 201   --enable-libvorbis       enable Vorbis encoding via libvorbis [no]
 202   --enable-libvpx          enable VP8 and VP9 de/encoding via libvpx [no]
 203   --enable-libwavpack      enable wavpack encoding via libwavpack [no]
 204   --enable-libx264         enable H.264 encoding via x264 [no]
 205   --enable-libxavs         enable AVS encoding via xavs [no]
 206   --enable-libxvid         enable Xvid encoding via xvidcore,
 207                            native MPEG-4/Xvid encoder exists [no]
 208   --enable-openssl         enable openssl [no]
 209   --enable-x11grab         enable X11 grabbing [no]
 210   --enable-zlib            enable zlib [autodetect]
 211
 212 Advanced options (experts only):
 213   --cross-prefix=PREFIX    use PREFIX for compilation tools [$cross_prefix]
 214   --enable-cross-compile   assume a cross-compiler is used
 215   --sysroot=PATH           root of cross-build tree
 216   --sysinclude=PATH        location of cross-build system headers
 217   --target-os=OS           compiler targets OS [$target_os]
 218   --target-exec=CMD        command to run executables on target
 219   --target-path=DIR        path to view of build directory on target
 220   --target-samples=DIR     path to samples directory on target
 221   --toolchain=NAME         set tool defaults according to NAME
 222   --nm=NM                  use nm tool
 223   --ar=AR                  use archive tool AR [$ar_default]
 224   --as=AS                  use assembler AS [$as_default]
 225   --cc=CC                  use C compiler CC [$cc_default]
 226   --dep-cc=DEPCC           use dependency generator DEPCC [$cc_default]
 227   --ld=LD                  use linker LD
 228   --host-cc=HOSTCC         use host C compiler HOSTCC
 229   --host-cflags=HCFLAGS    use HCFLAGS when compiling for host
 230   --host-cppflags=HCPPFLAGS use HCPPFLAGS when compiling for host
 231   --host-ld=HOSTLD         use host linker HOSTLD
 232   --host-ldflags=HLDFLAGS  use HLDFLAGS when linking for host
 233   --host-libs=HLIBS        use libs HLIBS when linking for host
 234   --host-os=OS             compiler host OS [$target_os]
 235   --extra-cflags=ECFLAGS   add ECFLAGS to CFLAGS [$CFLAGS]
 236   --extra-ldflags=ELDFLAGS add ELDFLAGS to LDFLAGS [$LDFLAGS]
 237   --extra-libs=ELIBS       add ELIBS [$ELIBS]
 238   --extra-version=STRING   version string suffix []
 239   --optflags=OPTFLAGS      override optimization-related compiler flags
 240   --build-suffix=SUFFIX    library name suffix []
 241   --malloc-prefix=PREFIX   prefix malloc and related names with PREFIX
 242   --arch=ARCH              select architecture [$arch]
 243   --cpu=CPU                select the minimum required CPU (affects
 244                            instruction selection, may crash on older CPUs)
 245   --enable-pic             build position-independent code
 246   --enable-sram            allow use of on-chip SRAM
 247   --enable-thumb           compile for Thumb instruction set
 248   --disable-symver         disable symbol versioning
 249   --enable-hardcoded-tables use hardcoded tables instead of runtime generation
 250   --disable-safe-bitstream-reader
 251                            disable buffer boundary checking in bitreaders
 252                            (faster, but may crash)
 253   --enable-memalign-hack   emulate memalign, interferes with memory debuggers
 254   --enable-lto             use link-time optimization
 255
 256 Optimization options (experts only):
 257   --disable-asm            disable all assembler optimizations
 258   --disable-altivec        disable AltiVec optimizations
 259   --disable-amd3dnow       disable 3DNow! optimizations
 260   --disable-amd3dnowext    disable 3DNow! extended optimizations
 261   --disable-mmx            disable MMX optimizations
 262   --disable-mmxext         disable MMXEXT optimizations
 263   --disable-sse            disable SSE optimizations
 264   --disable-sse2           disable SSE2 optimizations
 265   --disable-sse3           disable SSE3 optimizations
 266   --disable-ssse3          disable SSSE3 optimizations
 267   --disable-sse4           disable SSE4 optimizations
 268   --disable-sse42          disable SSE4.2 optimizations
 269   --disable-avx            disable AVX optimizations
 270   --disable-fma4           disable FMA4 optimizations
 271   --disable-armv5te        disable armv5te optimizations
 272   --disable-armv6          disable armv6 optimizations
 273   --disable-armv6t2        disable armv6t2 optimizations
 274   --disable-vfp            disable VFP optimizations
 275   --disable-neon           disable NEON optimizations
 276   --disable-vis            disable VIS optimizations
 277   --disable-inline-asm     disable use of inline assembler
 278   --disable-yasm           disable use of yasm assembler
 279
 280 Developer options (useful when working on Libav itself):
 281   --disable-debug          disable debugging symbols
 282   --enable-debug=LEVEL     set the debug level [$debuglevel]
 283   --disable-optimizations  disable compiler optimizations
 284   --enable-extra-warnings  enable more compiler warnings
 285   --samples=PATH           location of test samples for FATE, if not set use
 286                            \$LIBAV_SAMPLES at make invocation time.
 287   --enable-xmm-clobber-test check XMM registers for clobbering (Win64-only;
 288                            should be used only for debugging purposes)
 289   --enable-random          randomly enable/disable components
 290   --disable-random
 291   --enable-random=LIST     randomly enable/disable specific components or
 292   --disable-random=LIST    component groups. LIST is a comma-separated list
 293                            of NAME[:PROB] entries where NAME is a component
 294                            (group) and PROB the probability associated with
 295                            NAME (default 0.5).
 296   --random-seed=VALUE      seed value for --enable/disable-random
 297
 298 NOTE: Object files are built at the place where configure is launched.
 299 EOF
 300   exit 0
 301 }
 302
 303 quotes='""'
 304
 305 log(){
 306     echo "$@" >> $logfile
 307 }
 308
 309 log_file(){
 310     log BEGIN $1
 311     pr -n -t $1 >> $logfile
 312     log END $1
 313 }
 314
 315 echolog(){
 316     log "$@"
 317     echo "$@"
 318 }
 319
 320 warn(){
 321     log "WARNING: $*"
 322     WARNINGS="${WARNINGS}WARNING: $*\n"
 323 }
 324
 325 die(){
 326     echolog "$@"
 327     cat <<EOF
 328
 329 If you think configure made a mistake, make sure you are using the latest
 330 version from Git.  If the latest version fails, report the problem to the
 331 libav-user@libav.org mailing list or IRC #libav on irc.freenode.net.
 332 EOF
 333     if disabled logging; then
 334         cat <<EOF
 335 Rerun configure with logging enabled (do not use --disable-logging), and
 336 include the log this produces with your report.
 337 EOF
 338     else
 339         cat <<EOF
 340 Include the log file "$logfile" produced by configure as this will help
 341 solving the problem.
 342 EOF
 343     fi
 344     exit 1
 345 }
 346
 347 # Avoid locale weirdness, besides we really just want to translate ASCII.
 348 toupper(){
 349     echo "$@" | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ
 350 }
 351
 352 tolower(){
 353     echo "$@" | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz
 354 }
 355
 356 c_escape(){
 357     echo "$*" | sed 's/["\\]/\\\0/g'
 358 }
 359
 360 sh_quote(){
 361     v=$(echo "$1" | sed "s/'/'\\\\''/g")
 362     test "x$v" = "x${v#*[!A-Za-z0-9_/.+-]}" || v="'$v'"
 363     echo "$v"
 364 }
 365
 366 cleanws(){
 367     echo "$@" | sed 's/^ *//;s/  */ /g;s/ *$//'
 368 }
 369
 370 filter(){
 371     pat=$1
 372     shift
 373     for v; do
 374         eval "case $v in $pat) echo $v ;; esac"
 375     done
 376 }
 377
 378 filter_out(){
 379     pat=$1
 380     shift
 381     for v; do
 382         eval "case $v in $pat) ;; *) echo $v ;; esac"
 383     done
 384 }
 385
 386 map(){
 387     m=$1
 388     shift
 389     for v; do eval $m; done
 390 }
 391
 392 add_suffix(){
 393     suffix=$1
 394     shift
 395     for v; do echo ${v}${suffix}; done
 396 }
 397
 398 set_all(){
 399     value=$1
 400     shift
 401     for var in $*; do
 402         eval $var=$value
 403     done
 404 }
 405
 406 set_weak(){
 407     value=$1
 408     shift
 409     for var; do
 410         eval : \${$var:=$value}
 411     done
 412 }
 413
 414 sanitize_var_name(){
 415     echo $@ | sed 's/[^A-Za-z0-9_]/_/g'
 416 }
 417
 418 set_safe(){
 419     var=$1
 420     shift
 421     eval $(sanitize_var_name "$var")='$*'
 422 }
 423
 424 get_safe(){
 425     eval echo \$$(sanitize_var_name "$1")
 426 }
 427
 428 pushvar(){
 429     for pvar in $*; do
 430         eval level=\${${pvar}_level:=0}
 431         eval ${pvar}_${level}="\$$pvar"
 432         eval ${pvar}_level=$(($level+1))
 433     done
 434 }
 435
 436 popvar(){
 437     for pvar in $*; do
 438         eval level=\${${pvar}_level:-0}
 439         test $level = 0 && continue
 440         eval level=$(($level-1))
 441         eval $pvar="\${${pvar}_${level}}"
 442         eval ${pvar}_level=$level
 443         eval unset ${pvar}_${level}
 444     done
 445 }
 446
 447 enable(){
 448     set_all yes $*
 449 }
 450
 451 disable(){
 452     set_all no $*
 453 }
 454
 455 enable_weak(){
 456     set_weak yes $*
 457 }
 458
 459 disable_weak(){
 460     set_weak no $*
 461 }
 462
 463 enable_safe(){
 464     for var; do
 465         enable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
 466     done
 467 }
 468
 469 disable_safe(){
 470     for var; do
 471         disable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
 472     done
 473 }
 474
 475 do_enable_deep(){
 476     for var; do
 477         enabled $var && continue
 478         eval sel="\$${var}_select"
 479         eval sgs="\$${var}_suggest"
 480         pushvar var sgs
 481         enable_deep $sel
 482         popvar sgs
 483         enable_deep_weak $sgs
 484         popvar var
 485     done
 486 }
 487
 488 enable_deep(){
 489     do_enable_deep $*
 490     enable $*
 491 }
 492
 493 enable_deep_weak(){
 494     for var; do
 495         disabled $var && continue
 496         pushvar var
 497         do_enable_deep $var
 498         popvar var
 499         enable_weak $var
 500     done
 501 }
 502
 503 enabled(){
 504     test "${1#!}" = "$1" && op== || op=!=
 505     eval test "x\$${1#!}" $op "xyes"
 506 }
 507
 508 disabled(){
 509     test "${1#!}" = "$1" && op== || op=!=
 510     eval test "x\$${1#!}" $op "xno"
 511 }
 512
 513 enabled_all(){
 514     for opt; do
 515         enabled $opt || return 1
 516     done
 517 }
 518
 519 disabled_all(){
 520     for opt; do
 521         disabled $opt || return 1
 522     done
 523 }
 524
 525 enabled_any(){
 526     for opt; do
 527         enabled $opt && return 0
 528     done
 529 }
 530
 531 disabled_any(){
 532     for opt; do
 533         disabled $opt && return 0
 534     done
 535     return 1
 536 }
 537
 538 set_default(){
 539     for opt; do
 540         eval : \${$opt:=\$${opt}_default}
 541     done
 542 }
 543
 544 is_in(){
 545     value=$1
 546     shift
 547     for var in $*; do
 548         [ $var = $value ] && return 0
 549     done
 550     return 1
 551 }
 552
 553 do_check_deps(){
 554     for cfg; do
 555         cfg="${cfg#!}"
 556         enabled ${cfg}_checking && die "Circular dependency for $cfg."
 557         disabled ${cfg}_checking && continue
 558         enable ${cfg}_checking
 559         append allopts $cfg
 560
 561         eval dep_all="\$${cfg}_deps"
 562         eval dep_any="\$${cfg}_deps_any"
 563         eval dep_sel="\$${cfg}_select"
 564         eval dep_sgs="\$${cfg}_suggest"
 565         eval dep_ifa="\$${cfg}_if"
 566         eval dep_ifn="\$${cfg}_if_any"
 567
 568         pushvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
 569         do_check_deps $dep_all $dep_any $dep_sel $dep_sgs $dep_ifa $dep_ifn
 570         popvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
 571
 572         [ -n "$dep_ifa" ] && { enabled_all $dep_ifa && enable_weak $cfg; }
 573         [ -n "$dep_ifn" ] && { enabled_any $dep_ifn && enable_weak $cfg; }
 574         enabled_all  $dep_all || disable $cfg
 575         enabled_any  $dep_any || disable $cfg
 576         disabled_any $dep_sel && disable $cfg
 577
 578         if enabled $cfg; then
 579             enable_deep $dep_sel
 580             enable_deep_weak $dep_sgs
 581         fi
 582
 583         disable ${cfg}_checking
 584     done
 585 }
 586
 587 check_deps(){
 588     unset allopts
 589
 590     do_check_deps "$@"
 591
 592     for cfg in $allopts; do
 593         enabled $cfg || continue
 594         eval dep_extralibs="\$${cfg}_extralibs"
 595         test -n "$dep_extralibs" && add_extralibs $dep_extralibs
 596     done
 597 }
 598
 599 print_config(){
 600     pfx=$1
 601     files=$2
 602     shift 2
 603     map 'eval echo "$v \${$v:-no}"' "$@" |
 604     awk "BEGIN { split(\"$files\", files) }
 605         {
 606             c = \"$pfx\" toupper(\$1);
 607             v = \$2;
 608             sub(/yes/, 1, v);
 609             sub(/no/,  0, v);
 610             for (f in files) {
 611                 file = files[f];
 612                 if (file ~ /\\.h\$/) {
 613                     printf(\"#define %s %d\\n\", c, v) >>file;
 614                 } else if (file ~ /\\.asm\$/) {
 615                     printf(\"%%define %s %d\\n\", c, v) >>file;
 616                 } else if (file ~ /\\.mak\$/) {
 617                     n = -v ? \"\" : \"!\";
 618                     printf(\"%s%s=yes\\n\", n, c) >>file;
 619                 }
 620             }
 621         }"
 622 }
 623
 624 print_enabled(){
 625     suf=$1
 626     shift
 627     for v; do
 628         enabled $v && printf "%s\n" ${v%$suf};
 629     done
 630 }
 631
 632 append(){
 633     var=$1
 634     shift
 635     eval "$var=\"\$$var $*\""
 636 }
 637
 638 prepend(){
 639     var=$1
 640     shift
 641     eval "$var=\"$* \$$var\""
 642 }
 643
 644 add_cppflags(){
 645     append CPPFLAGS "$@"
 646 }
 647
 648 add_cflags(){
 649     append CFLAGS $($cflags_filter "$@")
 650 }
 651
 652 add_asflags(){
 653     append ASFLAGS $($asflags_filter "$@")
 654 }
 655
 656 add_ldflags(){
 657     append LDFLAGS $($ldflags_filter "$@")
 658 }
 659
 660 add_extralibs(){
 661     prepend extralibs $($ldflags_filter "$@")
 662 }
 663
 664 add_host_cppflags(){
 665     append host_cppflags "$@"
 666 }
 667
 668 add_host_cflags(){
 669     append host_cflags $($host_cflags_filter "$@")
 670 }
 671
 672 add_host_ldflags(){
 673     append host_ldflags $($host_ldflags_filter "$@")
 674 }
 675
 676 add_compat(){
 677     append compat_objs $1
 678     shift
 679     map 'add_cppflags -D$v' "$@"
 680 }
 681
 682 check_cmd(){
 683     log "$@"
 684     "$@" >> $logfile 2>&1
 685 }
 686
 687 cc_o(){
 688     eval printf '%s\\n' $CC_O
 689 }
 690
 691 cc_e(){
 692     eval printf '%s\\n' $CC_E
 693 }
 694
 695 check_cc(){
 696     log check_cc "$@"
 697     cat > $TMPC
 698     log_file $TMPC
 699     check_cmd $cc $CPPFLAGS $CFLAGS "$@" $CC_C $(cc_o $TMPO) $TMPC
 700 }
 701
 702 check_cpp(){
 703     log check_cpp "$@"
 704     cat > $TMPC
 705     log_file $TMPC
 706     check_cmd $cc $CPPFLAGS $CFLAGS "$@" $(cc_e $TMPO) $TMPC
 707 }
 708
 709 as_o(){
 710     eval printf '%s\\n' $AS_O
 711 }
 712
 713 check_as(){
 714     log check_as "$@"
 715     cat > $TMPS
 716     log_file $TMPS
 717     check_cmd $as $CPPFLAGS $ASFLAGS "$@" $AS_C $(as_o $TMPO) $TMPS
 718 }
 719
 720 check_inline_asm(){
 721     log check_inline_asm "$@"
 722     name="$1"
 723     code="$2"
 724     shift 2
 725     disable $name
 726     check_cc "$@" <<EOF && enable $name
 727 void foo(void){ __asm__ volatile($code); }
 728 EOF
 729 }
 730
 731 check_insn(){
 732     log check_insn "$@"
 733     check_inline_asm ${1}_inline "\"$2\""
 734     echo "$2" | check_as && enable ${1}_external || disable ${1}_external
 735 }
 736
 737 check_yasm(){
 738     log check_yasm "$@"
 739     echo "$1" > $TMPS
 740     log_file $TMPS
 741     shift 1
 742     check_cmd $yasmexe $YASMFLAGS "$@" -o $TMPO $TMPS
 743 }
 744
 745 ld_o(){
 746     eval printf '%s\\n' $LD_O
 747 }
 748
 749 check_ld(){
 750     log check_ld "$@"
 751     flags=$(filter_out '-l*' "$@")
 752     libs=$(filter '-l*' "$@")
 753     check_cc $($cflags_filter $flags) || return
 754     flags=$($ldflags_filter $flags)
 755     libs=$($ldflags_filter $libs)
 756     check_cmd $ld $LDFLAGS $flags $(ld_o $TMPE) $TMPO $libs $extralibs
 757 }
 758
 759 check_code(){
 760     log check_code "$@"
 761     check=$1
 762     headers=$2
 763     code=$3
 764     shift 3
 765     {
 766         for hdr in $headers; do
 767             echo "#include <$hdr>"
 768         done
 769         echo "int main(void) { $code; return 0; }"
 770     } | check_$check "$@"
 771 }
 772
 773 check_cppflags(){
 774     log check_cppflags "$@"
 775     check_cc "$@" <<EOF && append CPPFLAGS "$@"
 776 int x;
 777 EOF
 778 }
 779
 780 check_cflags(){
 781     log check_cflags "$@"
 782     set -- $($cflags_filter "$@")
 783     check_cc "$@" <<EOF && append CFLAGS "$@"
 784 int x;
 785 EOF
 786 }
 787
 788 test_ldflags(){
 789     log test_ldflags "$@"
 790     check_ld "$@" <<EOF
 791 int main(void){ return 0; }
 792 EOF
 793 }
 794
 795 check_ldflags(){
 796     log check_ldflags "$@"
 797     test_ldflags "$@" && add_ldflags "$@"
 798 }
 799
 800 check_header(){
 801     log check_header "$@"
 802     header=$1
 803     shift
 804     disable_safe $header
 805     check_cpp "$@" <<EOF && enable_safe $header
 806 #include <$header>
 807 int x;
 808 EOF
 809 }
 810
 811 check_func(){
 812     log check_func "$@"
 813     func=$1
 814     shift
 815     disable $func
 816     check_ld "$@" <<EOF && enable $func
 817 extern int $func();
 818 int main(void){ $func(); }
 819 EOF
 820 }
 821
 822 check_mathfunc(){
 823     log check_mathfunc "$@"
 824     func=$1
 825     narg=$2
 826     shift 2
 827     test $narg = 2 && args="f, g" || args="f"
 828     disable $func
 829     check_ld "$@" <<EOF && enable $func
 830 #include <math.h>
 831 float foo(float f, float g) { return $func($args); }
 832 int main(void){ return 0; }
 833 EOF
 834 }
 835
 836 check_func_headers(){
 837     log check_func_headers "$@"
 838     headers=$1
 839     funcs=$2
 840     shift 2
 841     {
 842         for hdr in $headers; do
 843             echo "#include <$hdr>"
 844         done
 845         for func in $funcs; do
 846             echo "long check_$func(void) { return (long) $func; }"
 847         done
 848         echo "int main(void) { return 0; }"
 849     } | check_ld "$@" && enable $funcs && enable_safe $headers
 850 }
 851
 852 check_cpp_condition(){
 853     log check_cpp_condition "$@"
 854     header=$1
 855     condition=$2
 856     shift 2
 857     check_cpp "$@" <<EOF
 858 #include <$header>
 859 #if !($condition)
 860 #error "unsatisfied condition: $condition"
 861 #endif
 862 EOF
 863 }
 864
 865 check_lib(){
 866     log check_lib "$@"
 867     header="$1"
 868     func="$2"
 869     shift 2
 870     check_header $header && check_func $func "$@" && add_extralibs "$@"
 871 }
 872
 873 check_lib2(){
 874     log check_lib2 "$@"
 875     headers="$1"
 876     funcs="$2"
 877     shift 2
 878     check_func_headers "$headers" "$funcs" "$@" && add_extralibs "$@"
 879 }
 880
 881 check_pkg_config(){
 882     log check_pkg_config "$@"
 883     pkg="$1"
 884     headers="$2"
 885     funcs="$3"
 886     shift 3
 887     $pkg_config --exists $pkg || return
 888     pkg_cflags=$($pkg_config --cflags $pkg)
 889     pkg_libs=$($pkg_config --libs $pkg)
 890     check_func_headers "$headers" "$funcs" $pkg_cflags $pkg_libs "$@" &&
 891         set_safe ${pkg}_cflags $pkg_cflags   &&
 892         set_safe ${pkg}_libs   $pkg_libs
 893 }
 894
 895 check_exec(){
 896     check_ld "$@" && { enabled cross_compile || $TMPE >> $logfile 2>&1; }
 897 }
 898
 899 check_exec_crash(){
 900     code=$(cat)
 901
 902     # exit() is not async signal safe.  _Exit (C99) and _exit (POSIX)
 903     # are safe but may not be available everywhere.  Thus we use
 904     # raise(SIGTERM) instead.  The check is run in a subshell so we
 905     # can redirect the "Terminated" message from the shell.  SIGBUS
 906     # is not defined by standard C so it is used conditionally.
 907
 908     (check_exec "$@") >> $logfile 2>&1 <<EOF
 909 #include <signal.h>
 910 static void sighandler(int sig){
 911     raise(SIGTERM);
 912 }
 913 int foo(void){
 914     $code
 915 }
 916 int (*func_ptr)(void) = foo;
 917 int main(void){
 918     signal(SIGILL, sighandler);
 919     signal(SIGFPE, sighandler);
 920     signal(SIGSEGV, sighandler);
 921 #ifdef SIGBUS
 922     signal(SIGBUS, sighandler);
 923 #endif
 924     return func_ptr();
 925 }
 926 EOF
 927 }
 928
 929 check_type(){
 930     log check_type "$@"
 931     headers=$1
 932     type=$2
 933     shift 2
 934     disable_safe "$type"
 935     check_code cc "$headers" "$type v" "$@" && enable_safe "$type"
 936 }
 937
 938 check_struct(){
 939     log check_struct "$@"
 940     headers=$1
 941     struct=$2
 942     member=$3
 943     shift 3
 944     disable_safe "${struct}_${member}"
 945     check_code cc "$headers" "const void *p = &(($struct *)0)->$member" "$@" &&
 946         enable_safe "${struct}_${member}"
 947 }
 948
 949 check_builtin(){
 950     log check_builtin "$@"
 951     name=$1
 952     headers=$2
 953     builtin=$3
 954     shift 3
 955     disable "$name"
 956     check_code ld "$headers" "$builtin" "$@" && enable "$name"
 957 }
 958
 959 require(){
 960     name="$1"
 961     header="$2"
 962     func="$3"
 963     shift 3
 964     check_lib $header $func "$@" || die "ERROR: $name not found"
 965 }
 966
 967 require2(){
 968     name="$1"
 969     headers="$2"
 970     func="$3"
 971     shift 3
 972     check_lib2 "$headers" $func "$@" || die "ERROR: $name not found"
 973 }
 974
 975 require_pkg_config(){
 976     pkg="$1"
 977     check_pkg_config "$@" || die "ERROR: $pkg not found"
 978     add_cflags    $(get_safe ${pkg}_cflags)
 979     add_extralibs $(get_safe ${pkg}_libs)
 980 }
 981
 982 hostcc_o(){
 983     eval printf '%s\\n' $HOSTCC_O
 984 }
 985
 986 check_host_cc(){
 987     log check_host_cc "$@"
 988     cat > $TMPC
 989     log_file $TMPC
 990     check_cmd $host_cc $host_cflags "$@" $HOSTCC_C $(hostcc_o $TMPO) $TMPC
 991 }
 992
 993 check_host_cppflags(){
 994     log check_host_cppflags "$@"
 995     check_host_cc "$@" <<EOF && append host_cppflags "$@"
 996 int x;
 997 EOF
 998 }
 999
1000 check_host_cflags(){
1001     log check_host_cflags "$@"
1002     set -- $($host_cflags_filter "$@")
1003     check_host_cc "$@" <<EOF && append host_cflags "$@"
1004 int x;
1005 EOF
1006 }
1007
1008 apply(){
1009     file=$1
1010     shift
1011     "$@" < "$file" > "$file.tmp" && mv "$file.tmp" "$file" || rm "$file.tmp"
1012 }
1013
1014 cp_if_changed(){
1015     cmp -s "$1" "$2" && echo "$2 is unchanged" && return
1016     mkdir -p "$(dirname $2)"
1017     $cp_f "$1" "$2"
1018 }
1019
1020 # CONFIG_LIST contains configurable options, while HAVE_LIST is for
1021 # system-dependent things.
1022
1023 COMPONENT_LIST="
1024     bsfs
1025     decoders
1026     demuxers
1027     encoders
1028     filters
1029     hwaccels
1030     indevs
1031     muxers
1032     outdevs
1033     parsers
1034     protocols
1035 "
1036
1037 EXTERNAL_LIBRARY_LIST="
1038     avisynth
1039     bzlib
1040     frei0r
1041     gnutls
1042     libcdio
1043     libdc1394
1044     libfaac
1045     libfdk_aac
1046     libfreetype
1047     libgsm
1048     libilbc
1049     libmp3lame
1050     libopencore_amrnb
1051     libopencore_amrwb
1052     libopencv
1053     libopenjpeg
1054     libopus
1055     libpulse
1056     librtmp
1057     libschroedinger
1058     libspeex
1059     libtheora
1060     libvo_aacenc
1061     libvo_amrwbenc
1062     libvorbis
1063     libvpx
1064     libwavpack
1065     libx264
1066     libxavs
1067     libxvid
1068     openssl
1069     x11grab
1070     zlib
1071 "
1072
1073 HWACCEL_LIST="
1074     dxva2
1075     vaapi
1076     vda
1077     vdpau
1078 "
1079 LIBRARY_LIST="
1080     avcodec
1081     avdevice
1082     avfilter
1083     avformat
1084     avresample
1085     avutil
1086     swscale
1087 "
1088
1089 PROGRAM_LIST="
1090     avconv
1091     avplay
1092     avprobe
1093     avserver
1094 "
1095
1096 CONFIG_LIST="
1097     $COMPONENT_LIST
1098     $EXTERNAL_LIBRARY_LIST
1099     $HWACCEL_LIST
1100     $LIBRARY_LIST
1101     $PROGRAM_LIST
1102     dct
1103     doc
1104     error_resilience
1105     fft
1106     gpl
1107     gray
1108     hardcoded_tables
1109     lsp
1110     lzo
1111     mdct
1112     memalign_hack
1113     network
1114     nonfree
1115     pic
1116     rdft
1117     runtime_cpudetect
1118     safe_bitstream_reader
1119     shared
1120     small
1121     sram
1122     static
1123     swscale_alpha
1124     thumb
1125     version3
1126     xmm_clobber_test
1127 "
1128
1129 THREADS_LIST='
1130     pthreads
1131     w32threads
1132 '
1133
1134 ATOMICS_LIST='
1135     atomics_gcc
1136     atomics_suncc
1137     atomics_win32
1138 '
1139
1140 ARCH_LIST='
1141     aarch64
1142     alpha
1143     arm
1144     avr32
1145     avr32_ap
1146     avr32_uc
1147     bfin
1148     ia64
1149     m68k
1150     mips
1151     mips64
1152     parisc
1153     ppc
1154     ppc64
1155     s390
1156     sh4
1157     sparc
1158     sparc64
1159     tilegx
1160     tilepro
1161     tomi
1162     x86
1163     x86_32
1164     x86_64
1165 '
1166
1167 ARCH_EXT_LIST_ARM='
1168     armv5te
1169     armv6
1170     armv6t2
1171     neon
1172     vfp
1173     vfpv3
1174 '
1175
1176 ARCH_EXT_LIST_X86='
1177     amd3dnow
1178     amd3dnowext
1179     avx
1180     fma4
1181     mmx
1182     mmxext
1183     sse
1184     sse2
1185     sse3
1186     sse4
1187     sse42
1188     ssse3
1189 '
1190
1191 ARCH_EXT_LIST="
1192     $ARCH_EXT_LIST_ARM
1193     $ARCH_EXT_LIST_X86
1194     altivec
1195     ppc4xx
1196     vis
1197 "
1198
1199 HAVE_LIST_CMDLINE='
1200     inline_asm
1201     symver
1202     yasm
1203 '
1204
1205 HAVE_LIST_PUB='
1206     bigendian
1207     fast_unaligned
1208 '
1209
1210 MATH_FUNCS="
1211     atanf
1212     atan2f
1213     cbrtf
1214     cosf
1215     exp2
1216     exp2f
1217     expf
1218     isinf
1219     isnan
1220     ldexpf
1221     llrint
1222     llrintf
1223     log2
1224     log2f
1225     log10f
1226     lrint
1227     lrintf
1228     powf
1229     rint
1230     round
1231     roundf
1232     sinf
1233     trunc
1234     truncf
1235 "
1236
1237 HAVE_LIST="
1238     $ARCH_EXT_LIST
1239     $(add_suffix _external $ARCH_EXT_LIST)
1240     $(add_suffix _inline   $ARCH_EXT_LIST)
1241     $HAVE_LIST_CMDLINE
1242     $HAVE_LIST_PUB
1243     $THREADS_LIST
1244     $ATOMICS_LIST
1245     $MATH_FUNCS
1246     aligned_malloc
1247     aligned_stack
1248     alsa_asoundlib_h
1249     altivec_h
1250     arpa_inet_h
1251     asm_mod_q
1252     asm_mod_y
1253     atomic_cas_ptr
1254     atomics_native
1255     attribute_may_alias
1256     attribute_packed
1257     cdio_paranoia_h
1258     cdio_paranoia_paranoia_h
1259     closesocket
1260     CommandLineToArgvW
1261     cpunop
1262     CryptGenRandom
1263     dcbzl
1264     dev_bktr_ioctl_bt848_h
1265     dev_bktr_ioctl_meteor_h
1266     dev_ic_bt8xx_h
1267     dev_video_bktr_ioctl_bt848_h
1268     dev_video_meteor_ioctl_meteor_h
1269     direct_h
1270     dlfcn_h
1271     dlopen
1272     dos_paths
1273     dxva_h
1274     ebp_available
1275     ebx_available
1276     fast_64bit
1277     fast_clz
1278     fast_cmov
1279     fcntl
1280     fork
1281     getaddrinfo
1282     gethrtime
1283     getopt
1284     GetProcessAffinityMask
1285     GetProcessMemoryInfo
1286     GetProcessTimes
1287     GetSystemTimeAsFileTime
1288     getrusage
1289     getservbyport
1290     gettimeofday
1291     gnu_as
1292     gsm_h
1293     i686
1294     ibm_asm
1295     inet_aton
1296     io_h
1297     inline_asm_labels
1298     isatty
1299     jack_port_get_latency_range
1300     ldbrx
1301     libdc1394_1
1302     libdc1394_2
1303     local_aligned_16
1304     local_aligned_8
1305     localtime_r
1306     loongson
1307     machine_ioctl_bt848_h
1308     machine_ioctl_meteor_h
1309     machine_rw_barrier
1310     malloc_h
1311     MapViewOfFile
1312     memalign
1313     MemoryBarrier
1314     mkstemp
1315     mm_empty
1316     mmap
1317     mprotect
1318     msvcrt
1319     nanosleep
1320     poll_h
1321     posix_memalign
1322     pragma_deprecated
1323     rdtsc
1324     sched_getaffinity
1325     sdl
1326     SetConsoleTextAttribute
1327     setmode
1328     setrlimit
1329     Sleep
1330     sndio_h
1331     socklen_t
1332     soundcard_h
1333     strerror_r
1334     strptime
1335     strtok_r
1336     struct_addrinfo
1337     struct_group_source_req
1338     struct_ip_mreq_source
1339     struct_ipv6_mreq
1340     struct_pollfd
1341     struct_rusage_ru_maxrss
1342     struct_sockaddr_in6
1343     struct_sockaddr_sa_len
1344     struct_sockaddr_storage
1345     struct_v4l2_frmivalenum_discrete
1346     symver_asm_label
1347     symver_gnu_asm
1348     sync_val_compare_and_swap
1349     sysconf
1350     sysctl
1351     sys_mman_h
1352     sys_param_h
1353     sys_resource_h
1354     sys_select_h
1355     sys_soundcard_h
1356     sys_time_h
1357     sys_un_h
1358     sys_videoio_h
1359     threads
1360     unistd_h
1361     usleep
1362     vfp_args
1363     VirtualAlloc
1364     windows_h
1365     winsock2_h
1366     xform_asm
1367     xmm_clobbers
1368 "
1369
1370 # options emitted with CONFIG_ prefix but not available on the command line
1371 CONFIG_EXTRA="
1372     aandcttables
1373     ac3dsp
1374     audio_frame_queue
1375     dsputil
1376     gcrypt
1377     golomb
1378     gplv3
1379     h264chroma
1380     h264dsp
1381     h264pred
1382     h264qpel
1383     hpeldsp
1384     huffman
1385     lgplv3
1386     lpc
1387     mpegaudio
1388     mpegaudiodsp
1389     mpegvideo
1390     mpegvideoenc
1391     nettle
1392     rangecoder
1393     riffdec
1394     riffenc
1395     rtpdec
1396     rtpenc_chain
1397     sinewin
1398     videodsp
1399     vp3dsp
1400 "
1401
1402 CMDLINE_SELECT="
1403     $ARCH_EXT_LIST
1404     $CONFIG_LIST
1405     $HAVE_LIST_CMDLINE
1406     $THREADS_LIST
1407     asm
1408     cross_compile
1409     debug
1410     extra_warnings
1411     logging
1412     lto
1413     optimizations
1414 "
1415
1416 PATHS_LIST='
1417     bindir
1418     datadir
1419     incdir
1420     libdir
1421     mandir
1422     prefix
1423     shlibdir
1424 '
1425
1426 CMDLINE_SET="
1427     $PATHS_LIST
1428     ar
1429     arch
1430     as
1431     build_suffix
1432     cc
1433     cpu
1434     cross_prefix
1435     dep_cc
1436     extra_version
1437     host_cc
1438     host_cflags
1439     host_ld
1440     host_ldflags
1441     host_libs
1442     host_os
1443     ld
1444     logfile
1445     malloc_prefix
1446     nm
1447     optflags
1448     pkg_config
1449     random_seed
1450     samples
1451     sysinclude
1452     sysroot
1453     target_exec
1454     target_os
1455     target_path
1456     target_samples
1457     toolchain
1458 "
1459
1460 CMDLINE_APPEND="
1461     extra_cflags
1462     host_cppflags
1463 "
1464
1465 # code dependency declarations
1466
1467 # architecture extensions
1468
1469 armv5te_deps="arm"
1470 armv6_deps="arm"
1471 armv6t2_deps="arm"
1472 neon_deps="arm"
1473 vfp_deps="arm"
1474 vfpv3_deps="vfp"
1475
1476 map 'eval ${v}_inline_deps=inline_asm' $ARCH_EXT_LIST_ARM
1477
1478 altivec_deps="ppc"
1479 ppc4xx_deps="ppc"
1480
1481 vis_deps="sparc"
1482
1483 x86_64_suggest="fast_cmov i686"
1484
1485 amd3dnow_deps="mmx"
1486 amd3dnowext_deps="amd3dnow"
1487 mmx_deps="x86"
1488 mmxext_deps="mmx"
1489 sse_deps="mmxext"
1490 sse2_deps="sse"
1491 sse3_deps="sse2"
1492 ssse3_deps="sse3"
1493 sse4_deps="ssse3"
1494 sse42_deps="sse4"
1495 avx_deps="sse42"
1496 fma4_deps="avx"
1497
1498 mmx_external_deps="yasm"
1499 mmx_inline_deps="inline_asm"
1500 mmx_suggest="mmx_external mmx_inline"
1501
1502 for ext in $(filter_out mmx $ARCH_EXT_LIST_X86); do
1503     eval dep=\$${ext}_deps
1504     eval ${ext}_external_deps='"${dep}_external"'
1505     eval ${ext}_inline_deps='"${dep}_inline"'
1506     eval ${ext}_suggest='"${ext}_external ${ext}_inline"'
1507 done
1508
1509 aligned_stack_if_any="ppc x86"
1510 fast_64bit_if_any="alpha ia64 mips64 parisc64 ppc64 sparc64 x86_64"
1511 fast_clz_if_any="alpha avr32 mips ppc x86"
1512 fast_unaligned_if_any="ppc x86"
1513
1514 inline_asm_deps="!tms470"
1515 need_memalign="altivec neon sse"
1516
1517 symver_if_any="symver_asm_label symver_gnu_asm"
1518
1519 log2_deps="!msvcrt"
1520
1521 # subsystems
1522 dct_select="rdft"
1523 error_resilience_select="dsputil"
1524 lpc_select="dsputil"
1525 mdct_select="fft"
1526 rdft_select="fft"
1527 mpegaudio_select="mpegaudiodsp"
1528 mpegaudiodsp_select="dct"
1529 mpegvideo_select="dsputil hpeldsp videodsp"
1530 mpegvideoenc_select="mpegvideo"
1531
1532 # decoders / encoders
1533 aac_decoder_select="mdct sinewin"
1534 aac_encoder_select="audio_frame_queue mdct sinewin"
1535 aac_latm_decoder_select="aac_decoder aac_latm_parser"
1536 ac3_decoder_select="mdct ac3dsp ac3_parser dsputil"
1537 ac3_encoder_select="mdct ac3dsp dsputil"
1538 ac3_fixed_encoder_select="mdct ac3dsp dsputil"
1539 aic_decoder_select="dsputil golomb"
1540 alac_encoder_select="lpc"
1541 als_decoder_select="dsputil"
1542 amrnb_decoder_select="lsp"
1543 amrwb_decoder_select="lsp"
1544 amv_decoder_select="dsputil hpeldsp"
1545 ape_decoder_select="dsputil"
1546 asv1_decoder_select="dsputil"
1547 asv1_encoder_select="dsputil"
1548 asv2_decoder_select="dsputil"
1549 asv2_encoder_select="dsputil"
1550 atrac1_decoder_select="mdct sinewin"
1551 atrac3_decoder_select="mdct"
1552 bink_decoder_select="dsputil hpeldsp"
1553 binkaudio_dct_decoder_select="mdct rdft dct sinewin"
1554 binkaudio_rdft_decoder_select="mdct rdft sinewin"
1555 cavs_decoder_select="dsputil golomb h264chroma videodsp"
1556 cllc_decoder_select="dsputil"
1557 comfortnoise_encoder_select="lpc"
1558 cook_decoder_select="dsputil mdct sinewin"
1559 cscd_decoder_select="lzo"
1560 cscd_decoder_suggest="zlib"
1561 dca_decoder_select="mdct"
1562 dnxhd_decoder_select="dsputil"
1563 dnxhd_encoder_select="aandcttables dsputil mpegvideoenc"
1564 dvvideo_decoder_select="dsputil"
1565 dvvideo_encoder_select="dsputil"
1566 dxa_decoder_deps="zlib"
1567 eac3_decoder_select="ac3_decoder"
1568 eac3_encoder_select="ac3_encoder"
1569 eamad_decoder_select="aandcttables dsputil mpegvideo"
1570 eatgq_decoder_select="aandcttables dsputil"
1571 eatqi_decoder_select="aandcttables error_resilience mpegvideo"
1572 ffv1_decoder_select="dsputil golomb rangecoder"
1573 ffv1_encoder_select="dsputil rangecoder"
1574 ffvhuff_decoder_select="dsputil"
1575 ffvhuff_encoder_select="dsputil huffman"
1576 flac_decoder_select="golomb"
1577 flac_encoder_select="dsputil golomb lpc"
1578 flashsv_decoder_deps="zlib"
1579 flashsv_encoder_deps="zlib"
1580 flashsv2_decoder_deps="zlib"
1581 flv_decoder_select="h263_decoder"
1582 flv_encoder_select="h263_encoder"
1583 fourxm_decoder_select="dsputil"
1584 fraps_decoder_select="dsputil huffman"
1585 g2m_decoder_deps="zlib"
1586 g2m_decoder_select="dsputil"
1587 h261_decoder_select="error_resilience mpegvideo"
1588 h261_encoder_select="aandcttables mpegvideoenc"
1589 h263_decoder_select="error_resilience h263_parser mpegvideo"
1590 h263_encoder_select="aandcttables mpegvideoenc"
1591 h263i_decoder_select="h263_decoder"
1592 h263p_encoder_select="h263_encoder"
1593 h264_decoder_select="golomb h264chroma h264dsp h264pred h264qpel videodsp"
1594 h264_decoder_suggest="error_resilience"
1595 huffyuv_decoder_select="dsputil"
1596 huffyuv_encoder_select="dsputil huffman"
1597 iac_decoder_select="dsputil fft mdct sinewin"
1598 imc_decoder_select="dsputil fft mdct sinewin"
1599 indeo3_decoder_select="hpeldsp"
1600 interplay_video_decoder_select="hpeldsp"
1601 jpegls_decoder_select="dsputil golomb hpeldsp"
1602 jpegls_encoder_select="golomb"
1603 jv_decoder_select="dsputil"
1604 lagarith_decoder_select="dsputil"
1605 ljpeg_encoder_select="aandcttables mpegvideoenc"
1606 loco_decoder_select="golomb"
1607 mdec_decoder_select="dsputil error_resilience mpegvideo"
1608 mimic_decoder_select="dsputil hpeldsp"
1609 mjpeg_decoder_select="dsputil hpeldsp"
1610 mjpegb_decoder_select="dsputil hpeldsp"
1611 mjpeg_encoder_select="aandcttables dsputil mpegvideoenc"
1612 mlp_decoder_select="dsputil mlp_parser"
1613 motionpixels_decoder_select="dsputil"
1614 mp1_decoder_select="mpegaudio"
1615 mp1float_decoder_select="mpegaudio"
1616 mp2_decoder_select="mpegaudio"
1617 mp2float_decoder_select="mpegaudio"
1618 mp3_decoder_select="mpegaudio"
1619 mp3adu_decoder_select="mpegaudio"
1620 mp3adufloat_decoder_select="mpegaudio"
1621 mp3float_decoder_select="mpegaudio"
1622 mp3on4_decoder_select="mpegaudio"
1623 mp3on4float_decoder_select="mpegaudio"
1624 mpc7_decoder_select="dsputil mpegaudiodsp"
1625 mpc8_decoder_select="dsputil mpegaudiodsp"
1626 mpeg_xvmc_decoder_deps="X11_extensions_XvMClib_h"
1627 mpeg_xvmc_decoder_select="mpeg2video_decoder"
1628 mpeg1video_decoder_select="error_resilience mpegvideo"
1629 mpeg1video_encoder_select="aandcttables mpegvideoenc"
1630 mpeg2video_decoder_select="error_resilience mpegvideo"
1631 mpeg2video_encoder_select="aandcttables mpegvideoenc"
1632 mpeg4_decoder_select="h263_decoder mpeg4video_parser"
1633 mpeg4_encoder_select="h263_encoder"
1634 msmpeg4v1_decoder_select="h263_decoder"
1635 msmpeg4v2_decoder_select="h263_decoder"
1636 msmpeg4v2_encoder_select="h263_encoder"
1637 msmpeg4v3_decoder_select="h263_decoder"
1638 msmpeg4v3_encoder_select="h263_encoder"
1639 mss2_decoder_select="error_resilience vc1_decoder"
1640 mxpeg_decoder_select="dsputil hpeldsp"
1641 nellymoser_decoder_select="mdct sinewin"
1642 nellymoser_encoder_select="audio_frame_queue mdct sinewin"
1643 nuv_decoder_select="dsputil lzo"
1644 png_decoder_deps="zlib"
1645 png_decoder_select="dsputil"
1646 png_encoder_deps="zlib"
1647 png_encoder_select="dsputil"
1648 prores_decoder_select="dsputil"
1649 prores_encoder_select="dsputil"
1650 qcelp_decoder_select="lsp"
1651 qdm2_decoder_select="mdct rdft mpegaudiodsp"
1652 ra_144_encoder_select="audio_frame_queue lpc"
1653 ralf_decoder_select="golomb"
1654 rv10_decoder_select="error_resilience h263_decoder"
1655 rv10_encoder_select="h263_encoder"
1656 rv20_decoder_select="error_resilience h263_decoder"
1657 rv20_encoder_select="h263_encoder"
1658 rv30_decoder_select="error_resilience golomb h264chroma h264pred h264qpel mpegvideo videodsp"
1659 rv40_decoder_select="error_resilience golomb h264chroma h264pred h264qpel mpegvideo videodsp"
1660 shorten_decoder_select="golomb"
1661 sipr_decoder_select="lsp"
1662 sp5x_decoder_select="dsputil hpeldsp"
1663 svq1_decoder_select="hpeldsp"
1664 svq1_encoder_select="aandcttables dsputil hpeldsp mpegvideoenc"
1665 svq3_decoder_select="golomb h264chroma h264dsp h264pred h264qpel hpeldsp mpegvideo videodsp"
1666 svq3_decoder_suggest="error_resilience zlib"
1667 tak_decoder_select="dsputil"
1668 theora_decoder_select="vp3_decoder"
1669 tiff_decoder_suggest="zlib"
1670 tiff_encoder_suggest="zlib"
1671 thp_decoder_select="dsputil hpeldsp"
1672 truehd_decoder_select="mlp_decoder"
1673 truemotion2_decoder_select="dsputil"
1674 truespeech_decoder_select="dsputil"
1675 tscc_decoder_deps="zlib"
1676 twinvq_decoder_select="mdct lsp sinewin"
1677 utvideo_decoder_select="dsputil"
1678 utvideo_encoder_select="dsputil huffman"
1679 vble_decoder_select="dsputil"
1680 vc1_decoder_select="error_resilience h263_decoder h264chroma h264qpel"
1681 vc1image_decoder_select="vc1_decoder"
1682 vorbis_decoder_select="mdct"
1683 vorbis_encoder_select="mdct"
1684 vp3_decoder_select="hpeldsp vp3dsp videodsp"
1685 vp5_decoder_select="h264chroma hpeldsp videodsp vp3dsp"
1686 vp6_decoder_select="h264chroma hpeldsp huffman videodsp vp3dsp"
1687 vp6a_decoder_select="vp6_decoder"
1688 vp6f_decoder_select="vp6_decoder"
1689 vp8_decoder_select="h264pred videodsp"
1690 wmapro_decoder_select="mdct sinewin"
1691 wmav1_decoder_select="mdct sinewin"
1692 wmav1_encoder_select="mdct sinewin"
1693 wmav2_decoder_select="mdct sinewin"
1694 wmav2_encoder_select="mdct sinewin"
1695 wmavoice_decoder_select="lsp rdft dct mdct sinewin"
1696 wmv1_decoder_select="h263_decoder"
1697 wmv1_encoder_select="h263_encoder"
1698 wmv2_decoder_select="h263_decoder videodsp"
1699 wmv2_encoder_select="h263_encoder"
1700 wmv3_decoder_select="vc1_decoder"
1701 wmv3image_decoder_select="wmv3_decoder"
1702 zerocodec_decoder_deps="zlib"
1703 zlib_decoder_deps="zlib"
1704 zlib_encoder_deps="zlib"
1705 zmbv_decoder_deps="zlib"
1706 zmbv_encoder_deps="zlib"
1707
1708 # hardware accelerators
1709 dxva2_deps="dxva2api_h"
1710 vaapi_deps="va_va_h"
1711 vda_deps="VideoDecodeAcceleration_VDADecoder_h pthreads"
1712 vda_extralibs="-framework CoreFoundation -framework VideoDecodeAcceleration -framework QuartzCore"
1713 vdpau_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1714
1715 h263_vaapi_hwaccel_deps="vaapi"
1716 h263_vaapi_hwaccel_select="h263_decoder"
1717 h263_vdpau_hwaccel_deps="vdpau"
1718 h263_vdpau_hwaccel_select="h263_decoder"
1719 h264_dxva2_hwaccel_deps="dxva2"
1720 h264_dxva2_hwaccel_select="h264_decoder"
1721 h264_vaapi_hwaccel_deps="vaapi"
1722 h264_vaapi_hwaccel_select="h264_decoder"
1723 h264_vda_hwaccel_deps="vda"
1724 h264_vda_hwaccel_select="h264_decoder"
1725 h264_vdpau_hwaccel_deps="vdpau"
1726 h264_vdpau_hwaccel_select="h264_decoder"
1727 mpeg1_vdpau_hwaccel_deps="vdpau"
1728 mpeg1_vdpau_hwaccel_select="mpeg1video_decoder"
1729 mpeg2_dxva2_hwaccel_deps="dxva2"
1730 mpeg2_dxva2_hwaccel_select="mpeg2video_decoder"
1731 mpeg2_vaapi_hwaccel_deps="vaapi"
1732 mpeg2_vaapi_hwaccel_select="mpeg2video_decoder"
1733 mpeg2_vdpau_hwaccel_deps="vdpau"
1734 mpeg2_vdpau_hwaccel_select="mpeg2video_decoder"
1735 mpeg4_vaapi_hwaccel_deps="vaapi"
1736 mpeg4_vaapi_hwaccel_select="mpeg4_decoder"
1737 mpeg4_vdpau_hwaccel_deps="vdpau"
1738 mpeg4_vdpau_hwaccel_select="mpeg4_decoder"
1739 vc1_dxva2_hwaccel_deps="dxva2"
1740 vc1_dxva2_hwaccel_select="vc1_decoder"
1741 vc1_vaapi_hwaccel_deps="vaapi"
1742 vc1_vaapi_hwaccel_select="vc1_decoder"
1743 vc1_vdpau_hwaccel_deps="vdpau"
1744 vc1_vdpau_hwaccel_select="vc1_decoder"
1745 wmv3_dxva2_hwaccel_select="vc1_dxva2_hwaccel"
1746 wmv3_vaapi_hwaccel_select="vc1_vaapi_hwaccel"
1747 wmv3_vdpau_hwaccel_select="vc1_vdpau_hwaccel"
1748
1749 # parsers
1750 h264_parser_select="golomb h264chroma h264dsp h264pred h264qpel videodsp"
1751 mpeg4video_parser_select="error_resilience mpegvideo"
1752 mpegvideo_parser_select="error_resilience mpegvideo"
1753 vc1_parser_select="mpegvideo"
1754
1755 # external libraries
1756 libfaac_encoder_deps="libfaac"
1757 libfaac_encoder_select="audio_frame_queue"
1758 libfdk_aac_encoder_deps="libfdk_aac"
1759 libfdk_aac_encoder_select="audio_frame_queue"
1760 libgsm_decoder_deps="libgsm"
1761 libgsm_encoder_deps="libgsm"
1762 libgsm_ms_decoder_deps="libgsm"
1763 libgsm_ms_encoder_deps="libgsm"
1764 libilbc_decoder_deps="libilbc"
1765 libilbc_encoder_deps="libilbc"
1766 libmp3lame_encoder_deps="libmp3lame"
1767 libmp3lame_encoder_select="audio_frame_queue"
1768 libopencore_amrnb_decoder_deps="libopencore_amrnb"
1769 libopencore_amrnb_encoder_deps="libopencore_amrnb"
1770 libopencore_amrnb_encoder_select="audio_frame_queue"
1771 libopencore_amrwb_decoder_deps="libopencore_amrwb"
1772 libopenjpeg_decoder_deps="libopenjpeg"
1773 libopenjpeg_encoder_deps="libopenjpeg"
1774 libopus_decoder_deps="libopus"
1775 libopus_encoder_deps="libopus"
1776 libopus_encoder_select="audio_frame_queue"
1777 libschroedinger_decoder_deps="libschroedinger"
1778 libschroedinger_encoder_deps="libschroedinger"
1779 libspeex_decoder_deps="libspeex"
1780 libspeex_encoder_deps="libspeex"
1781 libspeex_encoder_select="audio_frame_queue"
1782 libtheora_encoder_deps="libtheora"
1783 libvo_aacenc_encoder_deps="libvo_aacenc"
1784 libvo_aacenc_encoder_select="audio_frame_queue"
1785 libvo_amrwbenc_encoder_deps="libvo_amrwbenc"
1786 libvorbis_encoder_deps="libvorbis"
1787 libvorbis_encoder_select="audio_frame_queue"
1788 libvpx_vp8_decoder_deps="libvpx"
1789 libvpx_vp8_encoder_deps="libvpx"
1790 libvpx_vp9_decoder_deps="libvpx"
1791 libvpx_vp9_encoder_deps="libvpx"
1792 libwavpack_encoder_deps="libwavpack"
1793 libx264_encoder_deps="libx264"
1794 libxavs_encoder_deps="libxavs"
1795 libxvid_encoder_deps="libxvid"
1796
1797 # demuxers / muxers
1798 ac3_demuxer_select="ac3_parser"
1799 asf_demuxer_select="riffdec"
1800 asf_muxer_select="riffenc"
1801 asf_stream_muxer_select="asf_muxer"
1802 avi_demuxer_select="riffdec"
1803 avi_muxer_select="riffenc"
1804 avisynth_demuxer_deps="avisynth"
1805 avisynth_demuxer_select="riffdec"
1806 caf_demuxer_select="riffdec"
1807 dirac_demuxer_select="dirac_parser"
1808 dxa_demuxer_select="riffdec"
1809 eac3_demuxer_select="ac3_parser"
1810 flac_demuxer_select="flac_parser"
1811 ipod_muxer_select="mov_muxer"
1812 ismv_muxer_select="mov_muxer"
1813 matroska_audio_muxer_select="matroska_muxer"
1814 matroska_demuxer_select="riffdec"
1815 matroska_demuxer_suggest="bzlib lzo zlib"
1816 matroska_muxer_select="riffenc"
1817 mmf_muxer_select="riffenc"
1818 mov_demuxer_select="riffdec"
1819 mov_demuxer_suggest="zlib"
1820 mov_muxer_select="riffenc rtpenc_chain"
1821 mp3_demuxer_select="mpegaudio_parser"
1822 mp4_muxer_select="mov_muxer"
1823 mpegts_muxer_select="adts_muxer latm_muxer"
1824 mpegtsraw_demuxer_select="mpegts_demuxer"
1825 mxf_d10_muxer_select="mxf_muxer"
1826 nut_muxer_select="riffenc"
1827 nuv_demuxer_select="riffdec"
1828 ogg_demuxer_select="golomb"
1829 psp_muxer_select="mov_muxer"
1830 rtp_demuxer_select="sdp_demuxer"
1831 rtpdec_select="asf_demuxer rm_demuxer rtp_protocol mpegts_demuxer mov_demuxer"
1832 rtsp_demuxer_select="http_protocol rtpdec"
1833 rtsp_muxer_select="rtp_muxer http_protocol rtp_protocol rtpenc_chain"
1834 sap_demuxer_select="sdp_demuxer"
1835 sap_muxer_select="rtp_muxer rtp_protocol rtpenc_chain"
1836 sdp_demuxer_select="rtpdec"
1837 smoothstreaming_muxer_select="ismv_muxer"
1838 spdif_muxer_select="aac_parser"
1839 tak_demuxer_select="tak_parser"
1840 tg2_muxer_select="mov_muxer"
1841 tgp_muxer_select="mov_muxer"
1842 w64_demuxer_select="wav_demuxer"
1843 wav_demuxer_select="riffdec"
1844 wav_muxer_select="riffenc"
1845 webm_muxer_select="riffenc"
1846 wtv_demuxer_select="riffdec"
1847 xmv_demuxer_select="riffdec"
1848 xwma_demuxer_select="riffdec"
1849
1850 # indevs / outdevs
1851 alsa_indev_deps="alsa_asoundlib_h snd_pcm_htimestamp"
1852 alsa_outdev_deps="alsa_asoundlib_h"
1853 bktr_indev_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
1854 dv1394_indev_deps="dv1394 dv_demuxer"
1855 fbdev_indev_deps="linux_fb_h"
1856 jack_indev_deps="jack_jack_h pthreads"
1857 libcdio_indev_deps="libcdio"
1858 libdc1394_indev_deps="libdc1394"
1859 oss_indev_deps_any="soundcard_h sys_soundcard_h"
1860 oss_outdev_deps_any="soundcard_h sys_soundcard_h"
1861 pulse_indev_deps="libpulse"
1862 sndio_indev_deps="sndio_h"
1863 sndio_outdev_deps="sndio_h"
1864 v4l2_indev_deps_any="linux_videodev2_h sys_videoio_h"
1865 vfwcap_indev_deps="capCreateCaptureWindow vfwcap_defines"
1866 vfwcap_indev_extralibs="-lavicap32"
1867 x11grab_indev_deps="x11grab XShmCreateImage"
1868
1869 # protocols
1870 ffrtmpcrypt_protocol_deps="!librtmp_protocol"
1871 ffrtmpcrypt_protocol_deps_any="gcrypt nettle openssl"
1872 ffrtmpcrypt_protocol_select="tcp_protocol"
1873 ffrtmphttp_protocol_deps="!librtmp_protocol"
1874 ffrtmphttp_protocol_select="http_protocol"
1875 gopher_protocol_select="network"
1876 httpproxy_protocol_select="tcp_protocol"
1877 http_protocol_select="tcp_protocol"
1878 https_protocol_select="tls_protocol"
1879 librtmp_protocol_deps="librtmp"
1880 librtmpe_protocol_deps="librtmp"
1881 librtmps_protocol_deps="librtmp"
1882 librtmpt_protocol_deps="librtmp"
1883 librtmpte_protocol_deps="librtmp"
1884 mmsh_protocol_select="http_protocol"
1885 mmst_protocol_select="network"
1886 rtmp_protocol_deps="!librtmp_protocol"
1887 rtmp_protocol_select="tcp_protocol"
1888 rtmpe_protocol_select="ffrtmpcrypt_protocol"
1889 rtmps_protocol_deps="!librtmp_protocol"
1890 rtmps_protocol_select="tls_protocol"
1891 rtmpt_protocol_select="ffrtmphttp_protocol"
1892 rtmpte_protocol_select="ffrtmpcrypt_protocol ffrtmphttp_protocol"
1893 rtmpts_protocol_select="ffrtmphttp_protocol https_protocol"
1894 rtp_protocol_select="udp_protocol"
1895 sctp_protocol_deps="struct_sctp_event_subscribe"
1896 sctp_protocol_select="network"
1897 srtp_protocol_select="rtp_protocol"
1898 tcp_protocol_select="network"
1899 tls_protocol_deps_any="openssl gnutls"
1900 tls_protocol_select="tcp_protocol"
1901 udp_protocol_select="network"
1902 unix_protocol_deps="sys_un_h"
1903 unix_protocol_select="network"
1904
1905 # filters
1906 blackframe_filter_deps="gpl"
1907 boxblur_filter_deps="gpl"
1908 cropdetect_filter_deps="gpl"
1909 delogo_filter_deps="gpl"
1910 drawtext_filter_deps="libfreetype"
1911 frei0r_filter_deps="frei0r dlopen strtok_r"
1912 frei0r_filter_extralibs='$ldl'
1913 frei0r_src_filter_deps="frei0r dlopen strtok_r"
1914 frei0r_src_filter_extralibs='$ldl'
1915 hqdn3d_filter_deps="gpl"
1916 interlace_filter_deps="gpl"
1917 resample_filter_deps="avresample"
1918 ocv_filter_deps="libopencv"
1919 scale_filter_deps="swscale"
1920 yadif_filter_deps="gpl"
1921
1922 # libraries
1923 avcodec_deps="avutil"
1924 avdevice_deps="avutil avcodec avformat"
1925 avfilter_deps="avutil"
1926 avformat_deps="avutil avcodec"
1927 avresample_deps="avutil"
1928 swscale_deps="avutil"
1929
1930 # programs
1931 avconv_deps="avcodec avfilter avformat avresample swscale"
1932 avconv_select="aformat_filter anull_filter asyncts_filter atrim_filter format_filter
1933                fps_filter null_filter resample_filter scale_filter
1934                setpts_filter trim_filter"
1935 avplay_deps="avcodec avformat avresample swscale sdl"
1936 avplay_select="rdft"
1937 avprobe_deps="avcodec avformat"
1938 avserver_deps="avformat fork !shared"
1939 avserver_select="ffm_muxer rtp_protocol rtsp_demuxer"
1940 avserver_extralibs='$ldl'
1941
1942 doc_deps="texi2html"
1943
1944 # default parameters
1945
1946 logfile="config.log"
1947
1948 # installation paths
1949 prefix_default="/usr/local"
1950 bindir_default='${prefix}/bin'
1951 datadir_default='${prefix}/share/avconv'
1952 incdir_default='${prefix}/include'
1953 libdir_default='${prefix}/lib'
1954 mandir_default='${prefix}/share/man'
1955 shlibdir_default="$libdir_default"
1956
1957 # toolchain
1958 ar_default="ar"
1959 cc_default="gcc"
1960 host_cc_default="gcc"
1961 cp_f="cp -f"
1962 ln_s="ln -s -f"
1963 nm_default="nm -g"
1964 objformat="elf"
1965 pkg_config_default=pkg-config
1966 ranlib="ranlib"
1967 yasmexe="yasm"
1968
1969 nogas=":"
1970
1971 # machine
1972 arch_default=$(uname -m)
1973 cpu="generic"
1974
1975 # OS
1976 target_os_default=$(tolower $(uname -s))
1977 host_os=$target_os_default
1978
1979 # configurable options
1980 enable $LIBRARY_LIST $PROGRAM_LIST
1981
1982 enable asm
1983 enable debug
1984 enable doc
1985 enable optimizations
1986 enable safe_bitstream_reader
1987 enable static
1988 enable swscale_alpha
1989
1990 # By default, enable only those hwaccels that have no external dependencies.
1991 enable dxva2 vdpau
1992
1993 # build settings
1994 SHFLAGS='-shared -Wl,-soname,$$(@F)'
1995 LIBPREF="lib"
1996 LIBSUF=".a"
1997 FULLNAME='$(NAME)$(BUILDSUF)'
1998 LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
1999 SLIBPREF="lib"
2000 SLIBSUF=".so"
2001 SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
2002 SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
2003 SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
2004 LIB_INSTALL_EXTRA_CMD='$$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
2005 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_VERSION)'
2006 SLIB_INSTALL_LINKS='$(SLIBNAME_WITH_MAJOR) $(SLIBNAME)'
2007
2008 asflags_filter=echo
2009 cflags_filter=echo
2010 ldflags_filter=echo
2011
2012 AS_C='-c'
2013 AS_O='-o $@'
2014 CC_C='-c'
2015 CC_E='-E -o $@'
2016 CC_O='-o $@'
2017 LD_O='-o $@'
2018 LD_LIB='-l%'
2019 LD_PATH='-L'
2020 HOSTCC_C='-c'
2021 HOSTCC_O='-o $@'
2022 HOSTLD_O='-o $@'
2023
2024 host_cflags='-O3 -g'
2025 host_cppflags='-D_ISOC99_SOURCE -D_XOPEN_SOURCE=600'
2026 host_libs='-lm'
2027 host_cflags_filter=echo
2028 host_ldflags_filter=echo
2029
2030 target_path='$(CURDIR)'
2031
2032 # since the object filename is not given with the -MM flag, the compiler
2033 # is only able to print the basename, and we must add the path ourselves
2034 DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(*F)\\.o,$(@D)/$(*F).o," > $(@:.o=.d)'
2035 DEPFLAGS='-MM'
2036
2037 # find source path
2038 if test -f configure; then
2039     source_path=.
2040 else
2041     source_path=$(cd $(dirname "$0"); pwd)
2042     echo "$source_path" | grep -q '[[:blank:]]' &&
2043         die "Out of tree builds are impossible with whitespace in source path."
2044     test -e "$source_path/config.h" &&
2045         die "Out of tree builds are impossible with config.h in source dir."
2046 fi
2047
2048 for v in "$@"; do
2049     r=${v#*=}
2050     l=${v%"$r"}
2051     r=$(sh_quote "$r")
2052     LIBAV_CONFIGURATION="${LIBAV_CONFIGURATION# } ${l}${r}"
2053 done
2054
2055 find_things(){
2056     thing=$1
2057     pattern=$2
2058     file=$source_path/$3
2059     sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
2060 }
2061
2062 ENCODER_LIST=$(find_things  encoder  ENC      libavcodec/allcodecs.c)
2063 DECODER_LIST=$(find_things  decoder  DEC      libavcodec/allcodecs.c)
2064 HWACCEL_LIST=$(find_things  hwaccel  HWACCEL  libavcodec/allcodecs.c)
2065 PARSER_LIST=$(find_things   parser   PARSER   libavcodec/allcodecs.c)
2066 BSF_LIST=$(find_things      bsf      BSF      libavcodec/allcodecs.c)
2067 MUXER_LIST=$(find_things    muxer    _MUX     libavformat/allformats.c)
2068 DEMUXER_LIST=$(find_things  demuxer  DEMUX    libavformat/allformats.c)
2069 OUTDEV_LIST=$(find_things   outdev   OUTDEV   libavdevice/alldevices.c)
2070 INDEV_LIST=$(find_things    indev    _IN      libavdevice/alldevices.c)
2071 PROTOCOL_LIST=$(find_things protocol PROTOCOL libavformat/allformats.c)
2072 FILTER_LIST=$(find_things   filter   FILTER   libavfilter/allfilters.c)
2073
2074 ALL_COMPONENTS="
2075     $BSF_LIST
2076     $DECODER_LIST
2077     $DEMUXER_LIST
2078     $ENCODER_LIST
2079     $FILTER_LIST
2080     $HWACCEL_LIST
2081     $INDEV_LIST
2082     $MUXER_LIST
2083     $OUTDEV_LIST
2084     $PARSER_LIST
2085     $PROTOCOL_LIST
2086 "
2087
2088 for n in $COMPONENT_LIST; do
2089     v=$(toupper ${n%s})_LIST
2090     eval enable \$$v
2091     eval ${n}_if_any="\$$v"
2092 done
2093
2094 enable $ARCH_EXT_LIST
2095
2096 die_unknown(){
2097     echo "Unknown option \"$1\"."
2098     echo "See $0 --help for available options."
2099     exit 1
2100 }
2101
2102 print_3_columns() {
2103     cat | tr ' ' '\n' | sort | pr -r -3 -t
2104 }
2105
2106 show_list() {
2107     suffix=_$1
2108     shift
2109     echo $* | sed s/$suffix//g | print_3_columns
2110     exit 0
2111 }
2112
2113 rand_list(){
2114     IFS=', '
2115     set -- $*
2116     unset IFS
2117     for thing; do
2118         comp=${thing%:*}
2119         prob=${thing#$comp}
2120         prob=${prob#:}
2121         is_in ${comp} $COMPONENT_LIST && eval comp=\$$(toupper ${comp%s})_LIST
2122         echo "prob ${prob:-0.5}"
2123         printf '%s\n' $comp
2124     done
2125 }
2126
2127 do_random(){
2128     action=$1
2129     shift
2130     random_seed=$(awk "BEGIN { srand($random_seed); print srand() }")
2131     $action $(rand_list "$@" | awk "BEGIN { srand($random_seed) } \$1 == \"prob\" { prob = \$2; next } rand() < prob { print }")
2132 }
2133
2134 for opt do
2135     optval="${opt#*=}"
2136     case "$opt" in
2137         --extra-ldflags=*)
2138             add_ldflags $optval
2139         ;;
2140         --extra-libs=*)
2141             add_extralibs $optval
2142         ;;
2143         --disable-devices)
2144             disable $INDEV_LIST $OUTDEV_LIST
2145         ;;
2146         --enable-debug=*)
2147             debuglevel="$optval"
2148         ;;
2149         --disable-programs)
2150             disable $PROGRAM_LIST
2151         ;;
2152         --disable-everything)
2153             map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
2154         ;;
2155         --disable-all)
2156             map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
2157             disable $LIBRARY_LIST $PROGRAM_LIST doc
2158         ;;
2159         --enable-random|--disable-random)
2160             action=${opt%%-random}
2161             do_random ${action#--} $COMPONENT_LIST
2162         ;;
2163         --enable-random=*|--disable-random=*)
2164             action=${opt%%-random=*}
2165             do_random ${action#--} $optval
2166         ;;
2167         --enable-*=*|--disable-*=*)
2168             eval $(echo "${opt%%=*}" | sed 's/--/action=/;s/-/ thing=/')
2169             is_in "${thing}s" $COMPONENT_LIST || die_unknown "$opt"
2170             eval list=\$$(toupper $thing)_LIST
2171             name=$(echo "${optval}" | sed "s/,/_${thing}|/g")_${thing}
2172             $action $(filter "$name" $list)
2173         ;;
2174         --enable-?*|--disable-?*)
2175             eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')
2176             if is_in $option $COMPONENT_LIST; then
2177                 test $action = disable && action=unset
2178                 eval $action \$$(toupper ${option%s})_LIST
2179             elif is_in $option $CMDLINE_SELECT; then
2180                 $action $option
2181             else
2182                 die_unknown $opt
2183             fi
2184         ;;
2185         --list-*)
2186             NAME="${opt#--list-}"
2187             is_in $NAME $COMPONENT_LIST || die_unknown $opt
2188             NAME=${NAME%s}
2189             eval show_list $NAME \$$(toupper $NAME)_LIST
2190         ;;
2191         --help|-h) show_help
2192         ;;
2193         *)
2194             optname="${opt%%=*}"
2195             optname="${optname#--}"
2196             optname=$(echo "$optname" | sed 's/-/_/g')
2197             if is_in $optname $CMDLINE_SET; then
2198                 eval $optname='$optval'
2199             elif is_in $optname $CMDLINE_APPEND; then
2200                 append $optname "$optval"
2201             else
2202                 die_unknown $opt
2203             fi
2204         ;;
2205     esac
2206 done
2207
2208 disabled logging && logfile=/dev/null
2209
2210 echo "# $0 $LIBAV_CONFIGURATION" > $logfile
2211 set >> $logfile
2212
2213 test -n "$cross_prefix" && enable cross_compile
2214
2215 if enabled cross_compile; then
2216     test -n "$arch" && test -n "$target_os" ||
2217         die "Must specify target arch and OS when cross-compiling"
2218 fi
2219
2220 ar_default="${cross_prefix}${ar_default}"
2221 cc_default="${cross_prefix}${cc_default}"
2222 nm_default="${cross_prefix}${nm_default}"
2223 pkg_config_default="${cross_prefix}${pkg_config_default}"
2224 ranlib="${cross_prefix}${ranlib}"
2225
2226 sysinclude_default="${sysroot}/usr/include"
2227
2228 case "$toolchain" in
2229     clang-asan)
2230         cc_default="clang"
2231         add_cflags  -fsanitize=address
2232         add_ldflags -fsanitize=address
2233     ;;
2234     clang-tsan)
2235         cc_default="clang"
2236         add_cflags  -fsanitize=thread -pie
2237         add_ldflags -fsanitize=thread -pie
2238     ;;
2239     gcc-asan)
2240         cc_default="gcc"
2241         add_cflags  -fsanitize=address
2242         add_ldflags -fsanitize=address
2243     ;;
2244     gcc-tsan)
2245         cc_default="gcc"
2246         add_cflags  -fsanitize=thread -pie -fPIC
2247         add_ldflags -fsanitize=thread -pie -fPIC
2248     ;;
2249     valgrind-massif)
2250         target_exec_default="valgrind"
2251         target_exec_args="--alloc-fn=av_malloc --alloc-fn=av_mallocz"
2252     ;;
2253     valgrind-memcheck)
2254         target_exec_default="valgrind"
2255         target_exec_args="--track-origins=yes --leak-check=full"
2256     ;;
2257     msvc)
2258         cc_default="c99wrap cl"
2259         ld_default="c99wrap link"
2260         nm_default="dumpbin -symbols"
2261         ar_default="lib"
2262         target_os_default="win32"
2263     ;;
2264     icl)
2265         cc_default="c99wrap -noconv icl"
2266         ld_default="c99wrap xilink"
2267         nm_default="dumpbin -symbols"
2268         ar_default="xilib"
2269         target_os_default="win32"
2270     ;;
2271     gcov)
2272         add_cflags  -fprofile-arcs -ftest-coverage
2273         add_ldflags -fprofile-arcs -ftest-coverage
2274     ;;
2275     ?*)
2276         die "Unknown toolchain $toolchain"
2277     ;;
2278 esac
2279
2280 set_default arch cc pkg_config sysinclude target_exec target_os
2281 enabled cross_compile || host_cc_default=$cc
2282 set_default host_cc
2283
2284 if ! $pkg_config --version >/dev/null 2>&1; then
2285     warn "$pkg_config not found, library detection may fail."
2286     pkg_config=false
2287 fi
2288
2289 exesuf() {
2290     case $1 in
2291         mingw32*|win32|win64|cygwin*|*-dos|freedos|opendos|os/2*|symbian) echo .exe ;;
2292     esac
2293 }
2294
2295 EXESUF=$(exesuf $target_os)
2296 HOSTEXESUF=$(exesuf $host_os)
2297
2298 # set temporary file name
2299 : ${TMPDIR:=$TEMPDIR}
2300 : ${TMPDIR:=$TMP}
2301 : ${TMPDIR:=/tmp}
2302
2303 if ! check_cmd mktemp -u XXXXXX; then
2304     # simple replacement for missing mktemp
2305     # NOT SAFE FOR GENERAL USE
2306     mktemp(){
2307         echo "${2%%XXX*}.${HOSTNAME}.${UID}.$$"
2308     }
2309 fi
2310
2311 tmpfile(){
2312     tmp=$(mktemp -u "${TMPDIR}/ffconf.XXXXXXXX")$2 &&
2313         (set -C; exec > $tmp) 2>/dev/null ||
2314         die "Unable to create temporary file in $TMPDIR."
2315     append TMPFILES $tmp
2316     eval $1=$tmp
2317 }
2318
2319 trap 'rm -f -- $TMPFILES' EXIT
2320
2321 tmpfile TMPASM .asm
2322 tmpfile TMPC   .c
2323 tmpfile TMPE   $EXESUF
2324 tmpfile TMPH   .h
2325 tmpfile TMPO   .o
2326 tmpfile TMPS   .S
2327 tmpfile TMPSH  .sh
2328 tmpfile TMPV   .ver
2329
2330 unset -f mktemp
2331
2332 chmod +x $TMPE
2333
2334 # make sure we can execute files in $TMPDIR
2335 cat > $TMPSH 2>> $logfile <<EOF
2336 #! /bin/sh
2337 EOF
2338 chmod +x $TMPSH >> $logfile 2>&1
2339 if ! $TMPSH >> $logfile 2>&1; then
2340     cat <<EOF
2341 Unable to create and execute files in $TMPDIR.  Set the TMPDIR environment
2342 variable to another directory and make sure that it is not mounted noexec.
2343 EOF
2344     die "Sanity test failed."
2345 fi
2346
2347 ccc_flags(){
2348     for flag; do
2349         case $flag in
2350             -std=c99)           echo -c99                       ;;
2351             -mcpu=*)            echo -arch ${flag#*=}           ;;
2352             -mieee)             echo -ieee                      ;;
2353             -O*|-fast)          echo $flag                      ;;
2354             -fno-math-errno)    echo -assume nomath_errno       ;;
2355             -g)                 echo -g3                        ;;
2356             -Wall)              echo -msg_enable level2         ;;
2357             -Wno-pointer-sign)  echo -msg_disable ptrmismatch1  ;;
2358             -Wl,*)              echo $flag                      ;;
2359             -f*|-W*)                                            ;;
2360             *)                  echo $flag                      ;;
2361         esac
2362    done
2363 }
2364
2365 msvc_common_flags(){
2366     for flag; do
2367         case $flag in
2368             # In addition to specifying certain flags under the compiler
2369             # specific filters, they must be specified here as well or else the
2370             # generic catch all at the bottom will print the original flag.
2371             -Wall)                ;;
2372             -std=c99)             ;;
2373             # Common flags
2374             -fomit-frame-pointer) ;;
2375             -g)                   echo -Z7 ;;
2376             -fno-math-errno)      ;;
2377             -fno-common)          ;;
2378             -fno-signed-zeros)    ;;
2379             -fPIC)                ;;
2380             -mthumb)              ;;
2381             -march=*)             ;;
2382             -lz)                  echo zlib.lib ;;
2383             -lavifil32)           echo vfw32.lib ;;
2384             -lavicap32)           echo vfw32.lib user32.lib ;;
2385             -l*)                  echo ${flag#-l}.lib ;;
2386             *)                    echo $flag ;;
2387         esac
2388     done
2389 }
2390
2391 msvc_flags(){
2392     msvc_common_flags "$@"
2393     for flag; do
2394         case $flag in
2395             -Wall)                echo -W4 -wd4244 -wd4127 -wd4018 -wd4389     \
2396                                        -wd4146 -wd4057 -wd4204 -wd4706 -wd4305 \
2397                                        -wd4152 -wd4324 -we4013 -wd4100 -wd4214 \
2398                                        -wd4996 -wd4273 ;;
2399         esac
2400     done
2401 }
2402
2403 icl_flags(){
2404     msvc_common_flags "$@"
2405     for flag; do
2406         case $flag in
2407             # Despite what Intel's documentation says -Wall, which is supported
2408             # on Windows, does enable remarks so disable them here.
2409             -Wall)                echo $flag -Qdiag-disable:remark ;;
2410             -std=c99)             echo -Qstd=c99 ;;
2411         esac
2412     done
2413 }
2414
2415 pgi_flags(){
2416     for flag; do
2417         case $flag in
2418             -flto)                echo -Mipa=fast,libopt,libinline,vestigial ;;
2419             -fomit-frame-pointer) echo -Mnoframe ;;
2420             -g)                   echo -gopt ;;
2421             *)                    echo $flag ;;
2422         esac
2423     done
2424 }
2425
2426 suncc_flags(){
2427     for flag; do
2428         case $flag in
2429             -march=*|-mcpu=*)
2430                 case "${flag#*=}" in
2431                     native)                   echo -xtarget=native       ;;
2432                     v9|niagara)               echo -xarch=sparc          ;;
2433                     ultrasparc)               echo -xarch=sparcvis       ;;
2434                     ultrasparc3|niagara2)     echo -xarch=sparcvis2      ;;
2435                     i586|pentium)             echo -xchip=pentium        ;;
2436                     i686|pentiumpro|pentium2) echo -xtarget=pentium_pro  ;;
2437                     pentium3*|c3-2)           echo -xtarget=pentium3     ;;
2438                     pentium-m)          echo -xarch=sse2 -xchip=pentium3 ;;
2439                     pentium4*)          echo -xtarget=pentium4           ;;
2440                     prescott|nocona)    echo -xarch=sse3 -xchip=pentium4 ;;
2441                     *-sse3)             echo -xarch=sse3                 ;;
2442                     core2)              echo -xarch=ssse3 -xchip=core2   ;;
2443                     corei7)           echo -xarch=sse4_2 -xchip=nehalem  ;;
2444                     corei7-avx)       echo -xarch=avx -xchip=sandybridge ;;
2445                     amdfam10|barcelona|bdver*) echo -xarch=sse4_1        ;;
2446                     athlon-4|athlon-[mx]p)     echo -xarch=ssea          ;;
2447                     k8|opteron|athlon64|athlon-fx)
2448                                                echo -xarch=sse2a         ;;
2449                     athlon*)                   echo -xarch=pentium_proa  ;;
2450                 esac
2451                 ;;
2452             -std=c99)             echo -xc99              ;;
2453             -fomit-frame-pointer) echo -xregs=frameptr    ;;
2454             -fPIC)                echo -KPIC -xcode=pic32 ;;
2455             -W*,*)                echo $flag              ;;
2456             -f*-*|-W*|-mimpure-text)                      ;;
2457             -shared)              echo -G                 ;;
2458             *)                    echo $flag              ;;
2459         esac
2460     done
2461 }
2462
2463 tms470_flags(){
2464     for flag; do
2465         case $flag in
2466             -march=*|-mcpu=*)
2467                 case "${flag#*=}" in
2468                     armv7-a|cortex-a*)      echo -mv=7a8 ;;
2469                     armv7-r|cortex-r*)      echo -mv=7r4 ;;
2470                     armv7-m|cortex-m*)      echo -mv=7m3 ;;
2471                     armv6*|arm11*)          echo -mv=6   ;;
2472                     armv5*e|arm[79]*e*|arm9[24]6*|arm96*|arm102[26])
2473                                             echo -mv=5e  ;;
2474                     armv4*|arm7*|arm9[24]*) echo -mv=4   ;;
2475                 esac
2476                 ;;
2477             -mfpu=neon)     echo --float_support=vfpv3 --neon ;;
2478             -mfpu=vfp)      echo --float_support=vfpv2        ;;
2479             -mfpu=vfpv3)    echo --float_support=vfpv3        ;;
2480             -mfpu=vfpv3-d16) echo --float_support=vfpv3d16    ;;
2481             -msoft-float)   echo --float_support=vfplib       ;;
2482             -O[0-3]|-mf=*)  echo $flag                        ;;
2483             -g)             echo -g -mn                       ;;
2484             -pds=*)         echo $flag                        ;;
2485             -D*|-I*)        echo $flag                        ;;
2486             --gcc|--abi=*)  echo $flag                        ;;
2487             -me)            echo $flag                        ;;
2488         esac
2489     done
2490 }
2491
2492 probe_cc(){
2493     pfx=$1
2494     _cc=$2
2495
2496     unset _type _ident _cc_c _cc_e _cc_o _flags _cflags
2497     unset _ld_o _ldflags _ld_lib _ld_path
2498     unset _depflags _DEPCMD _DEPFLAGS
2499     _flags_filter=echo
2500
2501     if $_cc -v 2>&1 | grep -q '^gcc.*LLVM'; then
2502         _type=llvm_gcc
2503         gcc_extra_ver=$(expr "$($_cc --version | head -n1)" : '.*\((.*)\)')
2504         _ident="llvm-gcc $($_cc -dumpversion) $gcc_extra_ver"
2505         _depflags='-MMD -MF $(@:.o=.d) -MT $@'
2506         _cflags_speed='-O3'
2507         _cflags_size='-Os'
2508     elif $_cc -v 2>&1 | grep -qi ^gcc; then
2509         _type=gcc
2510         gcc_version=$($_cc --version | head -n1)
2511         gcc_basever=$($_cc -dumpversion)
2512         gcc_pkg_ver=$(expr "$gcc_version" : '[^ ]* \(([^)]*)\)')
2513         gcc_ext_ver=$(expr "$gcc_version" : ".*$gcc_pkg_ver $gcc_basever \\(.*\\)")
2514         _ident=$(cleanws "gcc $gcc_basever $gcc_pkg_ver $gcc_ext_ver")
2515         if ! $_cc -dumpversion | grep -q '^2\.'; then
2516             _depflags='-MMD -MF $(@:.o=.d) -MT $@'
2517         fi
2518         _cflags_speed='-O3'
2519         _cflags_size='-Os'
2520     elif $_cc --version 2>/dev/null | grep -q ^icc; then
2521         _type=icc
2522         _ident=$($_cc --version | head -n1)
2523         _depflags='-MMD'
2524         _cflags_speed='-O3'
2525         _cflags_size='-Os'
2526         _cflags_noopt='-O1'
2527     elif $_cc -v 2>&1 | grep -q xlc; then
2528         _type=xlc
2529         _ident=$($_cc -qversion 2>/dev/null | head -n1)
2530         _cflags_speed='-O5'
2531         _cflags_size='-O5 -qcompact'
2532     elif $_cc -V 2>/dev/null | grep -q Compaq; then
2533         _type=ccc
2534         _ident=$($_cc -V | head -n1 | cut -d' ' -f1-3)
2535         _DEPFLAGS='-M'
2536         _cflags_speed='-fast'
2537         _cflags_size='-O1'
2538         _flags_filter=ccc_flags
2539     elif $_cc --vsn 2>/dev/null | grep -q "ARM C/C++ Compiler"; then
2540         test -d "$sysroot" || die "No valid sysroot specified."
2541         _type=armcc
2542         _ident=$($_cc --vsn | head -n1)
2543         armcc_conf="$PWD/armcc.conf"
2544         $_cc --arm_linux_configure                 \
2545              --arm_linux_config_file="$armcc_conf" \
2546              --configure_sysroot="$sysroot"        \
2547              --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||
2548              die "Error creating armcc configuration file."
2549         $_cc --vsn | grep -q RVCT && armcc_opt=rvct || armcc_opt=armcc
2550         _flags="--arm_linux_config_file=$armcc_conf --translate_gcc"
2551         as_default="${cross_prefix}gcc"
2552         _depflags='-MMD'
2553         _cflags_speed='-O3'
2554         _cflags_size='-Os'
2555     elif $_cc -version 2>/dev/null | grep -Eq 'TMS470|TI ARM'; then
2556         _type=tms470
2557         _ident=$($_cc -version | head -n1 | tr -s ' ')
2558         _flags='--gcc --abi=eabi -me'
2559         _cc_e='-ppl -fe=$@'
2560         _cc_o='-fe=$@'
2561         _depflags='-ppa -ppd=$(@:.o=.d)'
2562         _cflags_speed='-O3 -mf=5'
2563         _cflags_size='-O3 -mf=2'
2564         _flags_filter=tms470_flags
2565     elif $_cc -v 2>&1 | grep -q clang; then
2566         _type=clang
2567         _ident=$($_cc --version | head -n1)
2568         _depflags='-MMD'
2569         _cflags_speed='-O3'
2570         _cflags_size='-Os'
2571     elif $_cc -V 2>&1 | grep -q Sun; then
2572         _type=suncc
2573         _ident=$($_cc -V 2>&1 | head -n1 | cut -d' ' -f 2-)
2574         _DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< | sed -e "1s,^.*: ,$@: ," -e "\$$!s,\$$, \\\," -e "1!s,^.*: , ," > $(@:.o=.d)'
2575         _DEPFLAGS='-xM1 -xc99'
2576         _ldflags='-std=c99'
2577         _cflags_speed='-O5'
2578         _cflags_size='-O5 -xspace'
2579         _flags_filter=suncc_flags
2580     elif $_cc -v 2>&1 | grep -q 'PathScale\|Path64'; then
2581         _type=pathscale
2582         _ident=$($_cc -v 2>&1 | head -n1 | tr -d :)
2583         _depflags='-MMD -MF $(@:.o=.d) -MT $@'
2584         _cflags_speed='-O2'
2585         _cflags_size='-Os'
2586         _flags_filter='filter_out -Wdisabled-optimization'
2587     elif $_cc -v 2>&1 | grep -q Open64; then
2588         _type=open64
2589         _ident=$($_cc -v 2>&1 | head -n1 | tr -d :)
2590         _depflags='-MMD -MF $(@:.o=.d) -MT $@'
2591         _cflags_speed='-O2'
2592         _cflags_size='-Os'
2593         _flags_filter='filter_out -Wdisabled-optimization|-Wtype-limits|-fno-signed-zeros'
2594     elif $_cc -V 2>&1 | grep -q Portland; then
2595         _type=pgi
2596         _ident="PGI $($_cc -V 2>&1 | awk '/^pgcc/ { print $2; exit }')"
2597         opt_common='-alias=ansi -Mdse -Mlre -Mpre'
2598         _cflags_speed="-O3 -Mautoinline -Munroll=c:4 $opt_common"
2599         _cflags_size="-O2 -Munroll=c:1 $opt_common"
2600         _cflags_noopt="-O1"
2601         _flags_filter=pgi_flags
2602     elif $_cc 2>&1 | grep -q Microsoft; then
2603         _type=msvc
2604         _ident=$($cc 2>&1 | head -n1)
2605         _DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< 2>&1 | awk '\''/including/ { sub(/^.*file: */, ""); gsub(/\\/, "/"); if (!match($$0, / /)) print "$@:", $$0 }'\'' > $(@:.o=.d)'
2606         _DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -showIncludes -Zs'
2607         _cflags_speed="-O2"
2608         _cflags_size="-O1"
2609         # Nonstandard output options, to avoid msys path conversion issues.
2610         # Relies on wrapper to remap it.
2611         if $_cc 2>&1 | grep -q Linker; then
2612             _ld_o='-out $@'
2613         else
2614             _ld_o='-Fe$@'
2615         fi
2616         _cc_o='-Fo $@'
2617         _cc_e='-P -Fi $@'
2618         _flags_filter=msvc_flags
2619         _ld_lib='lib%.a'
2620         _ld_path='-libpath:'
2621         _flags='-nologo'
2622         _cflags='-D_USE_MATH_DEFINES -Dinline=__inline -FIstdlib.h -Dstrtoll=_strtoi64'
2623         if [ $pfx = hostcc ]; then
2624             append _cflags -Dsnprintf=_snprintf
2625         fi
2626     elif $_cc 2>&1 | grep -q Intel; then
2627         _type=icl
2628         _ident=$($cc 2>&1 | head -n1)
2629         _depflags='-QMMD -QMF$(@:.o=.d) -QMT$@'
2630         # Not only is O3 broken on 13.x+ but it is slower on all previous
2631         # versions (tested) as well.
2632         _cflags_speed="-O2"
2633         _cflags_size="-O1 -Oi" # -O1 without -Oi miscompiles stuff
2634         # Nonstandard output options, to avoid msys path conversion issues.
2635         # Relies on wrapper to remap it.
2636         if $_cc 2>&1 | grep -q Linker; then
2637             _ld_o='-out $@'
2638         else
2639             _ld_o='-Fe$@'
2640         fi
2641         _cc_o='-Fo $@'
2642         _cc_e='-P'
2643         _flags_filter=icl_flags
2644         _ld_lib='lib%.a'
2645         _ld_path='-libpath:'
2646         # -Qdiag-error to make icl error when seeing certain unknown arguments
2647         _flags='-nologo -Qdiag-error:4044,10157'
2648         # -Qvec- -Qsimd- to prevent miscompilation, -GS for consistency
2649         # with MSVC which enables it by default.
2650         _cflags='-D_USE_MATH_DEFINES -FIstdlib.h -Dstrtoll=_strtoi64 -Qms0 -Qvec- -Qsimd- -GS'
2651         if [ $pfx = hostcc ]; then
2652             append _cflags -Dsnprintf=_snprintf
2653         fi
2654     fi
2655
2656     eval ${pfx}_type=\$_type
2657     eval ${pfx}_ident=\$_ident
2658 }
2659
2660 set_ccvars(){
2661     eval ${1}_C=\${_cc_c-\${${1}_C}}
2662     eval ${1}_E=\${_cc_e-\${${1}_E}}
2663     eval ${1}_O=\${_cc_o-\${${1}_O}}
2664
2665     if [ -n "$_depflags" ]; then
2666         eval ${1}_DEPFLAGS=\$_depflags
2667     else
2668         eval ${1}DEP=\${_DEPCMD:-\$DEPCMD}
2669         eval ${1}DEP_FLAGS=\${_DEPFLAGS:-\$DEPFLAGS}
2670         eval DEP${1}FLAGS=\$_flags
2671     fi
2672 }
2673
2674 probe_cc cc "$cc"
2675 cflags_filter=$_flags_filter
2676 cflags_speed=$_cflags_speed
2677 cflags_size=$_cflags_size
2678 cflags_noopt=$_cflags_noopt
2679 add_cflags $_flags $_cflags
2680 cc_ldflags=$_ldflags
2681 set_ccvars CC
2682
2683 probe_cc hostcc "$host_cc"
2684 host_cflags_filter=$_flags_filter
2685 add_host_cflags  $_flags $_cflags
2686 set_ccvars HOSTCC
2687
2688 test -n "$cc_type" && enable $cc_type ||
2689     warn "Unknown C compiler $cc, unable to select optimal CFLAGS"
2690
2691 : ${as_default:=$cc}
2692 : ${dep_cc_default:=$cc}
2693 : ${ld_default:=$cc}
2694 : ${host_ld_default:=$host_cc}
2695 set_default ar as dep_cc ld host_ld
2696
2697 probe_cc as "$as"
2698 asflags_filter=$_flags_filter
2699 add_asflags $_flags $_cflags
2700 set_ccvars AS
2701
2702 probe_cc ld "$ld"
2703 ldflags_filter=$_flags_filter
2704 add_ldflags $_flags $_ldflags
2705 test "$cc_type" != "$ld_type" && add_ldflags $cc_ldflags
2706 LD_O=${_ld_o-$LD_O}
2707 LD_LIB=${_ld_lib-$LD_LIB}
2708 LD_PATH=${_ld_path-$LD_PATH}
2709
2710 probe_cc hostld "$host_ld"
2711 host_ldflags_filter=$_flags_filter
2712 add_host_ldflags $_flags $_ldflags
2713 HOSTLD_O=${_ld_o-$HOSTLD_O}
2714
2715 if [ -z "$CC_DEPFLAGS" ] && [ "$dep_cc" != "$cc" ]; then
2716     probe_cc depcc "$dep_cc"
2717     CCDEP=${_DEPCMD:-$DEPCMD}
2718     CCDEP_FLAGS=${_DEPFLAGS:=$DEPFLAGS}
2719     DEPCCFLAGS=$_flags
2720 fi
2721
2722 if $ar 2>&1 | grep -q Microsoft; then
2723     arflags="-nologo"
2724     ar_o='-out:$@'
2725 elif $ar 2>&1 | grep -q 'Texas Instruments'; then
2726     arflags="rq"
2727     ar_o='$@'
2728 elif $ar 2>&1 | grep -q 'Usage: ar.*-X.*any'; then
2729     arflags='-Xany -r -c'
2730     ar_o='$@'
2731 else
2732     arflags="rc"
2733     ar_o='$@'
2734 fi
2735
2736 add_cflags $extra_cflags
2737 add_asflags $extra_cflags
2738
2739 if test -n "$sysroot"; then
2740     case "$cc_type" in
2741         gcc|llvm_gcc|clang)
2742             add_cppflags --sysroot="$sysroot"
2743             add_ldflags --sysroot="$sysroot"
2744         ;;
2745         tms470)
2746             add_cppflags -I"$sysinclude"
2747             add_ldflags  --sysroot="$sysroot"
2748         ;;
2749     esac
2750 fi
2751
2752 if test "$cpu" = host; then
2753     enabled cross_compile &&
2754         die "--cpu=host makes no sense when cross-compiling."
2755
2756     case "$cc_type" in
2757         gcc|llvm_gcc)
2758             check_native(){
2759                 $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return
2760                 sed -n "/cc1.*$1=/{
2761                             s/.*$1=\\([^ ]*\\).*/\\1/
2762                             p
2763                             q
2764                         }" $TMPE
2765             }
2766             cpu=$(check_native -march || check_native -mcpu)
2767         ;;
2768     esac
2769
2770     test "${cpu:-host}" = host &&
2771         die "--cpu=host not supported with compiler $cc"
2772 fi
2773
2774 # Deal with common $arch aliases
2775 case "$arch" in
2776     aarch64|arm64)
2777         arch="aarch64"
2778     ;;
2779     arm*)
2780         arch="arm"
2781     ;;
2782     mips*|IP*)
2783         arch="mips"
2784     ;;
2785     parisc*|hppa*)
2786         arch="parisc"
2787     ;;
2788     "Power Macintosh"|ppc*|powerpc*)
2789         arch="ppc"
2790     ;;
2791     s390|s390x)
2792         arch="s390"
2793     ;;
2794     sh4|sh)
2795         arch="sh4"
2796     ;;
2797     sun4u|sparc*)
2798         arch="sparc"
2799     ;;
2800     tilegx|tile-gx)
2801         arch="tilegx"
2802     ;;
2803     i[3-6]86|i86pc|BePC|x86pc|x86_64|amd64)
2804         arch="x86"
2805     ;;
2806 esac
2807
2808 is_in $arch $ARCH_LIST || warn "unknown architecture $arch"
2809 enable $arch
2810
2811 # Add processor-specific flags
2812 if enabled aarch64; then
2813
2814     case $cpu in
2815         armv*)
2816             cpuflags="-march=$cpu"
2817         ;;
2818         *)
2819             cpuflags="-mcpu=$cpu"
2820         ;;
2821     esac
2822
2823 elif enabled alpha; then
2824
2825     cpuflags="-mcpu=$cpu"
2826
2827 elif enabled arm; then
2828
2829     check_arm_arch() {
2830         check_cpp_condition stddef.h \
2831             "defined __ARM_ARCH_${1}__ || defined __TARGET_ARCH_${2:-$1}" \
2832             $cpuflags
2833     }
2834
2835     probe_arm_arch() {
2836         if   check_arm_arch 4;        then echo armv4;
2837         elif check_arm_arch 4T;       then echo armv4t;
2838         elif check_arm_arch 5;        then echo armv5;
2839         elif check_arm_arch 5E;       then echo armv5e;
2840         elif check_arm_arch 5T;       then echo armv5t;
2841         elif check_arm_arch 5TE;      then echo armv5te;
2842         elif check_arm_arch 5TEJ;     then echo armv5te;
2843         elif check_arm_arch 6;        then echo armv6;
2844         elif check_arm_arch 6J;       then echo armv6j;
2845         elif check_arm_arch 6K;       then echo armv6k;
2846         elif check_arm_arch 6Z;       then echo armv6z;
2847         elif check_arm_arch 6ZK;      then echo armv6zk;
2848         elif check_arm_arch 6T2;      then echo armv6t2;
2849         elif check_arm_arch 7;        then echo armv7;
2850         elif check_arm_arch 7A  7_A;  then echo armv7-a;
2851         elif check_arm_arch 7R  7_R;  then echo armv7-r;
2852         elif check_arm_arch 7M  7_M;  then echo armv7-m;
2853         elif check_arm_arch 7EM 7E_M; then echo armv7-m;
2854         elif check_arm_arch 8A  8_A;  then echo armv8-a;
2855         fi
2856     }
2857
2858     [ "$cpu" = generic ] && cpu=$(probe_arm_arch)
2859
2860     case $cpu in
2861         armv*)
2862             cpuflags="-march=$cpu"
2863             subarch=$(echo $cpu | sed 's/[^a-z0-9]//g')
2864         ;;
2865         *)
2866             cpuflags="-mcpu=$cpu"
2867             case $cpu in
2868                 cortex-a*)                               subarch=armv7a  ;;
2869                 cortex-r*)                               subarch=armv7r  ;;
2870                 cortex-m*)                 enable thumb; subarch=armv7m  ;;
2871                 arm11*)                                  subarch=armv6   ;;
2872                 arm[79]*e*|arm9[24]6*|arm96*|arm102[26]) subarch=armv5te ;;
2873                 armv4*|arm7*|arm9[24]*)                  subarch=armv4   ;;
2874                 *)                             subarch=$(probe_arm_arch) ;;
2875             esac
2876         ;;
2877     esac
2878
2879     case "$subarch" in
2880         armv5t*)    enable fast_clz                ;;
2881         armv[6-8]*) enable fast_clz fast_unaligned ;;
2882     esac
2883
2884 elif enabled avr32; then
2885
2886     case $cpu in
2887         ap7[02]0[0-2])
2888             subarch="avr32_ap"
2889             cpuflags="-mpart=$cpu"
2890         ;;
2891         ap)
2892             subarch="avr32_ap"
2893             cpuflags="-march=$cpu"
2894         ;;
2895         uc3[ab]*)
2896             subarch="avr32_uc"
2897             cpuflags="-mcpu=$cpu"
2898         ;;
2899         uc)
2900             subarch="avr32_uc"
2901             cpuflags="-march=$cpu"
2902         ;;
2903     esac
2904
2905 elif enabled bfin; then
2906
2907     cpuflags="-mcpu=$cpu"
2908
2909 elif enabled mips; then
2910
2911     cpuflags="-march=$cpu"
2912
2913 elif enabled ppc; then
2914
2915     case $(tolower $cpu) in
2916         601|ppc601|powerpc601)
2917             cpuflags="-mcpu=601"
2918             disable altivec
2919         ;;
2920         603*|ppc603*|powerpc603*)
2921             cpuflags="-mcpu=603"
2922             disable altivec
2923         ;;
2924         604*|ppc604*|powerpc604*)
2925             cpuflags="-mcpu=604"
2926             disable altivec
2927         ;;
2928         g3|75*|ppc75*|powerpc75*)
2929             cpuflags="-mcpu=750"
2930             disable altivec
2931         ;;
2932         g4|745*|ppc745*|powerpc745*)
2933             cpuflags="-mcpu=7450"
2934         ;;
2935         74*|ppc74*|powerpc74*)
2936             cpuflags="-mcpu=7400"
2937         ;;
2938         g5|970|ppc970|powerpc970)
2939             cpuflags="-mcpu=970"
2940         ;;
2941         power[3-7]*)
2942             cpuflags="-mcpu=$cpu"
2943         ;;
2944         cell)
2945             cpuflags="-mcpu=cell"
2946             enable ldbrx
2947         ;;
2948         e500mc)
2949             cpuflags="-mcpu=e500mc"
2950             disable altivec
2951         ;;
2952         e500v2)
2953             cpuflags="-mcpu=8548 -mhard-float -mfloat-gprs=double"
2954             disable altivec
2955         ;;
2956         e500)
2957             cpuflags="-mcpu=8540 -mhard-float"
2958             disable altivec
2959         ;;
2960     esac
2961
2962 elif enabled sparc; then
2963
2964     case $cpu in
2965         cypress|f93[04]|tsc701|sparcl*|supersparc|hypersparc|niagara|v[789])
2966             cpuflags="-mcpu=$cpu"
2967             disable vis
2968         ;;
2969         ultrasparc*|niagara[234])
2970             cpuflags="-mcpu=$cpu"
2971         ;;
2972     esac
2973
2974 elif enabled x86; then
2975
2976     case $cpu in
2977         i[345]86|pentium)
2978             cpuflags="-march=$cpu"
2979             disable mmx
2980         ;;
2981         # targets that do NOT support nopl and conditional mov (cmov)
2982         pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
2983             cpuflags="-march=$cpu"
2984             disable i686
2985         ;;
2986         # targets that do support nopl and conditional mov (cmov)
2987         i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64*|k8*|opteron*|athlon-fx|core2|corei7*|amdfam10|barcelona|atom|bdver*)
2988             cpuflags="-march=$cpu"
2989             enable i686
2990             enable fast_cmov
2991         ;;
2992         # targets that do support conditional mov but on which it's slow
2993         pentium4|pentium4m|prescott|nocona)
2994             cpuflags="-march=$cpu"
2995             enable i686
2996             disable fast_cmov
2997         ;;
2998     esac
2999
3000 fi
3001
3002 if [ "$cpu" != generic ]; then
3003     add_cflags  $cpuflags
3004     add_asflags $cpuflags
3005 fi
3006
3007 # compiler sanity check
3008 check_exec <<EOF
3009 int main(void){ return 0; }
3010 EOF
3011 if test "$?" != 0; then
3012     echo "$cc is unable to create an executable file."
3013     if test -z "$cross_prefix" && ! enabled cross_compile ; then
3014         echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
3015         echo "Only do this if you know what cross compiling means."
3016     fi
3017     die "C compiler test failed."
3018 fi
3019
3020 add_cppflags -D_ISOC99_SOURCE
3021 check_cflags -std=c99
3022 check_cc -D_FILE_OFFSET_BITS=64 <<EOF && add_cppflags -D_FILE_OFFSET_BITS=64
3023 #include <stdlib.h>
3024 EOF
3025 check_cc -D_LARGEFILE_SOURCE <<EOF && add_cppflags -D_LARGEFILE_SOURCE
3026 #include <stdlib.h>
3027 EOF
3028
3029 check_host_cflags -std=c99
3030 check_host_cflags -Wall
3031
3032 check_64bit(){
3033     arch32=$1
3034     arch64=$2
3035     expr=$3
3036     check_code cc "" "int test[2*($expr) - 1]" &&
3037         subarch=$arch64 || subarch=$arch32
3038 }
3039
3040 case "$arch" in
3041     aarch64|alpha|ia64)
3042         spic=$shared
3043     ;;
3044     mips)
3045         check_64bit mips mips64 '_MIPS_SIM > 1'
3046         spic=$shared
3047     ;;
3048     parisc)
3049         check_64bit parisc parisc64 'sizeof(void *) > 4'
3050         spic=$shared
3051     ;;
3052     ppc)
3053         check_64bit ppc ppc64 'sizeof(void *) > 4'
3054         spic=$shared
3055     ;;
3056     sparc)
3057         check_64bit sparc sparc64 'sizeof(void *) > 4'
3058         spic=$shared
3059     ;;
3060     x86)
3061         check_64bit x86_32 x86_64 'sizeof(void *) > 4'
3062         if test "$subarch" = "x86_64"; then
3063             spic=$shared
3064         fi
3065     ;;
3066 esac
3067
3068 enable $subarch
3069 enabled spic && enable_weak pic
3070
3071 # OS specific
3072 case $target_os in
3073     aix)
3074         SHFLAGS=-shared
3075         add_cppflags '-I\$(SRC_PATH)/compat/aix'
3076         enabled shared && add_ldflags -Wl,-brtl
3077         ;;
3078     haiku)
3079         prefix_default="/boot/common"
3080         network_extralibs="-lnetwork"
3081         host_libs=
3082         ;;
3083     sunos)
3084         SHFLAGS='-shared -Wl,-h,$$(@F)'
3085         enabled x86 && SHFLAGS="-mimpure-text $SHFLAGS"
3086         network_extralibs="-lsocket -lnsl"
3087         add_cppflags -D__EXTENSIONS__ -D_XOPEN_SOURCE=600
3088         # When using suncc to build, the Solaris linker will mark
3089         # an executable with each instruction set encountered by
3090         # the Solaris assembler.  As our libraries contain their own
3091         # guards for processor-specific code, instead suppress
3092         # generation of the HWCAPS ELF section on Solaris x86 only.
3093         enabled_all suncc x86 &&
3094             echo "hwcap_1 = OVERRIDE;" > mapfile &&
3095             add_ldflags -Wl,-M,mapfile
3096         nm_default='nm -P -g'
3097         ;;
3098     netbsd)
3099         disable symver
3100         oss_indev_extralibs="-lossaudio"
3101         oss_outdev_extralibs="-lossaudio"
3102         ;;
3103     openbsd|bitrig)
3104         disable symver
3105         SHFLAGS='-shared'
3106         SLIB_INSTALL_NAME='$(SLIBNAME).$(LIBMAJOR).$(LIBMINOR)'
3107         SLIB_INSTALL_LINKS=
3108         oss_indev_extralibs="-lossaudio"
3109         oss_outdev_extralibs="-lossaudio"
3110         ;;
3111     dragonfly)
3112         disable symver
3113         ;;
3114     freebsd)
3115         ;;
3116     bsd/os)
3117         add_extralibs -lpoll -lgnugetopt
3118         ;;
3119     darwin)
3120         gas="gas-preprocessor.pl $cc"
3121         enabled ppc && add_asflags -force_cpusubtype_ALL
3122         SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(SHLIBDIR)/$(SLIBNAME_WITH_MAJOR),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR)'
3123         enabled x86_32 && append SHFLAGS -Wl,-read_only_relocs,suppress
3124         add_ldflags -Wl,-dynamic,-search_paths_first
3125         SLIBSUF=".dylib"
3126         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'
3127         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'
3128         objformat="macho"
3129         enabled x86_64 && objformat="macho64"
3130         enabled_any pic shared ||
3131             { check_cflags -mdynamic-no-pic && add_asflags -mdynamic-no-pic; }
3132         ;;
3133     mingw32*)
3134         if test $target_os = "mingw32ce"; then
3135             disable network
3136         else
3137             target_os=mingw32
3138         fi
3139         LIBTARGET=i386
3140         if enabled x86_64; then
3141             LIBTARGET="i386:x86-64"
3142         elif enabled arm; then
3143             LIBTARGET=arm-wince
3144         fi
3145         check_ldflags -Wl,--nxcompat
3146         check_ldflags -Wl,--dynamicbase
3147         shlibdir_default="$bindir_default"
3148         SLIBPREF=""
3149         SLIBSUF=".dll"
3150         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
3151         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
3152         SLIB_EXTRA_CMD=-'sed -e "s/ @[^ ]*//" $$(@:$(SLIBSUF)=.orig.def) > $$(@:$(SLIBSUF)=.def); $(DLLTOOL) -m $(LIBTARGET) -d $$(@:$(SLIBSUF)=.def) -l $(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib) -D $(SLIBNAME_WITH_MAJOR)'
3153         SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
3154         SLIB_INSTALL_LINKS=
3155         SLIB_INSTALL_EXTRA_SHLIB='$(SLIBNAME:$(SLIBSUF)=.lib)'
3156         SLIB_INSTALL_EXTRA_LIB='lib$(SLIBNAME:$(SLIBSUF)=.dll.a) $(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.def)'
3157         SHFLAGS='-shared -Wl,--output-def,$$(@:$(SLIBSUF)=.orig.def) -Wl,--out-implib,$(SUBDIR)lib$(SLIBNAME:$(SLIBSUF)=.dll.a) -Wl,--enable-runtime-pseudo-reloc -Wl,--enable-auto-image-base'
3158         objformat="win32"
3159         dlltool="${cross_prefix}dlltool"
3160         ranlib=:
3161         enable dos_paths
3162         ;;
3163     win32|win64)
3164         if enabled shared; then
3165             # Link to the import library instead of the normal static library
3166             # for shared libs.
3167             LD_LIB='%.lib'
3168             # Cannot build shared and static libs at the same time with MSVC.
3169             disable static
3170         fi
3171         shlibdir_default="$bindir_default"
3172         SLIBPREF=""
3173         SLIBSUF=".dll"
3174         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
3175         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
3176         SLIB_CREATE_DEF_CMD='makedef $(SUBDIR)lib$(NAME).ver $(OBJS) > $$(@:$(SLIBSUF)=.def)'
3177         SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
3178         SLIB_INSTALL_LINKS=
3179         SLIB_INSTALL_EXTRA_SHLIB='$(SLIBNAME:$(SLIBSUF)=.lib)'
3180         SLIB_INSTALL_EXTRA_LIB='$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.def)'
3181         SHFLAGS='-dll -def:$$(@:$(SLIBSUF)=.def) -implib:$(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib)'
3182         objformat="win32"
3183         ranlib=:
3184         enable dos_paths
3185         ;;
3186     cygwin*)
3187         target_os=cygwin
3188         shlibdir_default="$bindir_default"
3189         SLIBPREF="cyg"
3190         SLIBSUF=".dll"
3191         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
3192         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
3193         SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
3194         SLIB_INSTALL_LINKS=
3195         SLIB_INSTALL_EXTRA_LIB='lib$(FULLNAME).dll.a'
3196         SHFLAGS='-shared -Wl,--out-implib,$(SUBDIR)lib$(FULLNAME).dll.a'
3197         objformat="win32"
3198         enable dos_paths
3199         ;;
3200     *-dos|freedos|opendos)
3201         network_extralibs="-lsocket"
3202         objformat="coff"
3203         enable dos_paths
3204         add_cppflags -U__STRICT_ANSI__
3205         ;;
3206     linux)
3207         enable dv1394
3208         ;;
3209     irix*)
3210         target_os=irix
3211         ranlib="echo ignoring ranlib"
3212         ;;
3213     os/2*)
3214         ln_s="cp -f"
3215         objformat="aout"
3216         add_cppflags -D_GNU_SOURCE
3217         add_ldflags -Zomf -Zbin-files -Zargs-wild -Zmap
3218         SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'
3219         LIBSUF="_s.a"
3220         SLIBPREF=""
3221         SLIBSUF=".dll"
3222         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
3223         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(NAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'
3224         SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(NAME).def; \
3225             echo PROTMODE >> $(SUBDIR)$(NAME).def; \
3226             echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(NAME).def; \
3227             echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(NAME).def; \
3228             echo EXPORTS >> $(SUBDIR)$(NAME).def; \
3229             emxexp -o $(OBJS) >> $(SUBDIR)$(NAME).def'
3230         SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(NAME).def; \
3231             emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib $(SUBDIR)$(NAME).def;'
3232         SLIB_INSTALL_EXTRA_LIB='$(LIBPREF)$(NAME)_dll.a $(LIBPREF)$(NAME)_dll.lib'
3233         enable dos_paths
3234         ;;
3235     gnu/kfreebsd)
3236         add_cppflags -D_BSD_SOURCE
3237         ;;
3238     gnu)
3239         ;;
3240     qnx)
3241         add_cppflags -D_QNX_SOURCE
3242         network_extralibs="-lsocket"
3243         ;;
3244     symbian)
3245         SLIBSUF=".dll"
3246         enable dos_paths
3247         add_cflags --include=$sysinclude/gcce/gcce.h -fvisibility=default
3248         add_cppflags -D__GCCE__ -D__SYMBIAN32__ -DSYMBIAN_OE_POSIX_SIGNALS
3249         add_ldflags -Wl,--target1-abs,--no-undefined \
3250                     -Wl,-Ttext,0x80000,-Tdata,0x1000000 -shared \
3251                     -Wl,--entry=_E32Startup -Wl,-u,_E32Startup
3252         add_extralibs -l:eexe.lib -l:usrt2_2.lib -l:dfpaeabi.dso \
3253                       -l:drtaeabi.dso -l:scppnwdl.dso -lsupc++ -lgcc \
3254                       -l:libc.dso -l:libm.dso -l:euser.dso -l:libcrt0.lib
3255         ;;
3256     osf1)
3257         add_cppflags -D_OSF_SOURCE -D_POSIX_PII -D_REENTRANT
3258         ;;
3259     minix)
3260         ;;
3261     plan9)
3262         add_cppflags -D_C99_SNPRINTF_EXTENSION  \
3263                      -D_REENTRANT_SOURCE        \
3264                      -D_RESEARCH_SOURCE         \
3265                      -DFD_SETSIZE=96            \
3266                      -DHAVE_SOCK_OPTS
3267         add_compat strtod.o strtod=avpriv_strtod
3268         network_extralibs='-lbsd'
3269         exeobjs=compat/plan9/main.o
3270         disable avserver
3271         cp_f='cp'
3272         ;;
3273     none)
3274         ;;
3275     *)
3276         die "Unknown OS '$target_os'."
3277         ;;
3278 esac
3279
3280 # determine libc flavour
3281
3282 # uclibc defines __GLIBC__, so it needs to be checked before glibc.
3283 if check_cpp_condition features.h "defined __UCLIBC__"; then
3284     libc_type=uclibc
3285     add_cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
3286 elif check_cpp_condition features.h "defined __GLIBC__"; then
3287     libc_type=glibc
3288     add_cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
3289 # MinGW headers can be installed on Cygwin, so check for newlib first.
3290 elif check_cpp_condition newlib.h "defined _NEWLIB_VERSION"; then
3291     libc_type=newlib
3292     add_cppflags -U__STRICT_ANSI__
3293 elif check_header _mingw.h; then
3294     libc_type=mingw
3295     check_cpp_condition _mingw.h \
3296         "defined (__MINGW64_VERSION_MAJOR) || (__MINGW32_MAJOR_VERSION > 3) || \
3297             (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" ||
3298         die "ERROR: MinGW runtime version must be >= 3.15."
3299     add_cppflags -U__STRICT_ANSI__
3300 elif check_func_headers stdlib.h _get_doserrno; then
3301     libc_type=msvcrt
3302     add_compat strtod.o strtod=avpriv_strtod
3303     add_compat msvcrt/snprintf.o snprintf=avpriv_snprintf   \
3304                                  _snprintf=avpriv_snprintf  \
3305                                  vsnprintf=avpriv_vsnprintf
3306     # The MSVC 2010 headers (Win 7.0 SDK) set _WIN32_WINNT to
3307     # 0x601 by default unless something else is set by the user.
3308     # This can easily lead to us detecting functions only present
3309     # in such new versions and producing binaries requiring windows 7.0.
3310     # Therefore explicitly set the default to XP unless the user has
3311     # set something else on the command line.
3312     check_cpp_condition stdlib.h "defined(_WIN32_WINNT)" || add_cppflags -D_WIN32_WINNT=0x0502
3313 elif check_cpp_condition stddef.h "defined __KLIBC__"; then
3314     libc_type=klibc
3315 elif check_cpp_condition sys/cdefs.h "defined __BIONIC__"; then
3316     libc_type=bionic
3317     add_compat strtod.o strtod=avpriv_strtod
3318 fi
3319
3320 test -n "$libc_type" && enable $libc_type
3321
3322 # hacks for compiler/libc/os combinations
3323
3324 if enabled_all tms470 glibc; then
3325     CPPFLAGS="-I${source_path}/compat/tms470 ${CPPFLAGS}"
3326     add_cppflags -D__USER_LABEL_PREFIX__=
3327     add_cppflags -D__builtin_memset=memset
3328     add_cppflags -D__gnuc_va_list=va_list -D_VA_LIST_DEFINED
3329     add_cflags   -pds=48    # incompatible redefinition of macro
3330 fi
3331
3332 if enabled_all ccc glibc; then
3333     add_ldflags -Wl,-z,now  # calls to libots crash without this
3334 fi
3335
3336 esc(){
3337     echo "$*" | sed 's/%/%25/g;s/:/%3a/g'
3338 }
3339
3340 echo "config:$arch:$subarch:$cpu:$target_os:$(esc $cc_ident):$(esc $LIBAV_CONFIGURATION)" >config.fate
3341
3342 check_cpp_condition stdlib.h "defined(__PIC__) || defined(__pic__) || defined(PIC)" && enable_weak pic
3343
3344 set_default $PATHS_LIST
3345 set_default nm
3346
3347 # we need to build at least one lib type
3348 if ! enabled_any static shared; then
3349     cat <<EOF
3350 At least one library type must be built.
3351 Specify --enable-static to build the static libraries or --enable-shared to
3352 build the shared libraries as well. To only build the shared libraries specify
3353 --disable-static in addition to --enable-shared.
3354 EOF
3355     exit 1;
3356 fi
3357
3358 die_license_disabled() {
3359     enabled $1 || { enabled $2 && die "$2 is $1 and --enable-$1 is not specified."; }
3360 }
3361
3362 die_license_disabled gpl libcdio
3363 die_license_disabled gpl libx264
3364 die_license_disabled gpl libxavs
3365 die_license_disabled gpl libxvid
3366 die_license_disabled gpl x11grab
3367
3368 die_license_disabled nonfree libfaac
3369 die_license_disabled nonfree libfdk_aac
3370 die_license_disabled nonfree openssl
3371
3372 die_license_disabled version3 libopencore_amrnb
3373 die_license_disabled version3 libopencore_amrwb
3374 die_license_disabled version3 libvo_aacenc
3375 die_license_disabled version3 libvo_amrwbenc
3376
3377 enabled version3 && { enabled gpl && enable gplv3 || enable lgplv3; }
3378
3379 disabled optimizations || check_cflags -fomit-frame-pointer
3380
3381 enable_weak_pic() {
3382     disabled pic && return
3383     enable pic
3384     add_cppflags -DPIC
3385     case "$target_os" in
3386     mingw*|cygwin*)
3387         ;;
3388     *)
3389         add_cflags -fPIC
3390         ;;
3391     esac
3392     add_asflags  -fPIC
3393 }
3394
3395 enabled pic && enable_weak_pic
3396
3397 check_cc <<EOF || die "Symbol mangling check failed."
3398 int ff_extern;
3399 EOF
3400 sym=$($nm $TMPO | awk '/ff_extern/{ print substr($0, match($0, /[^ \t]*ff_extern/)) }')
3401 extern_prefix=${sym%%ff_extern*}
3402
3403 check_cc <<EOF && enable_weak inline_asm
3404 void foo(void) { __asm__ volatile ("" ::); }
3405 EOF
3406
3407 _restrict=
3408 for restrict_keyword in restrict __restrict__ __restrict; do
3409     check_cc <<EOF && _restrict=$restrict_keyword && break
3410 void foo(char * $restrict_keyword p);
3411 EOF
3412 done
3413
3414 check_cc <<EOF && enable pragma_deprecated
3415 void foo(void) { _Pragma("GCC diagnostic ignored \"-Wdeprecated-declarations\"") }
3416 EOF
3417
3418 check_cc <<EOF && enable attribute_packed
3419 struct { int x; } __attribute__((packed)) x;
3420 EOF
3421
3422 check_cc <<EOF && enable attribute_may_alias
3423 union { int x; } __attribute__((may_alias)) x;
3424 EOF
3425
3426 check_cc <<EOF || die "endian test failed"
3427 unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';
3428 EOF
3429 od -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian
3430
3431 check_inline_asm inline_asm_labels '"1:\n"'
3432
3433 if enabled alpha; then
3434
3435     check_cflags -mieee
3436
3437 elif enabled arm; then
3438
3439     check_cpp_condition stddef.h "defined __thumb__" && enable_weak thumb
3440     enabled thumb && check_cflags -mthumb || check_cflags -marm
3441     nogas=die
3442
3443     if     check_cpp_condition stddef.h "defined __ARM_PCS_VFP"; then
3444         enable vfp_args
3445     elif ! check_cpp_condition stddef.h "defined __ARM_PCS || defined __SOFTFP__"; then
3446         case "${cross_prefix:-$cc}" in
3447             *hardfloat*)         enable vfp_args;   fpabi=vfp ;;
3448             *) check_ld <<EOF && enable vfp_args && fpabi=vfp || fpabi=soft ;;
3449 __asm__ (".eabi_attribute 28, 1");
3450 int main(void) { return 0; }
3451 EOF
3452         esac
3453         warn "Compiler does not indicate floating-point ABI, guessing $fpabi."
3454     fi
3455
3456     enabled armv5te && check_insn armv5te 'qadd r0, r0, r0'
3457     enabled armv6   && check_insn armv6   'sadd16 r0, r0, r0'
3458     enabled armv6t2 && check_insn armv6t2 'movt r0, #0'
3459     enabled neon    && check_insn neon    'vadd.i16 q0, q0, q0'
3460     enabled vfp     && check_insn vfp     'fadds s0, s0, s0'
3461     enabled vfpv3   && check_insn vfpv3   'vmov.f32 s0, #1.0'
3462
3463     [ $target_os = linux ] ||
3464         map 'enabled_any ${v}_external ${v}_inline || disable $v' \
3465             $ARCH_EXT_LIST_ARM
3466
3467     check_inline_asm asm_mod_q '"add r0, %Q0, %R0" :: "r"((long long)0)'
3468     check_inline_asm asm_mod_y '"vmul.i32 d0, d0, %y0" :: "x"(0)'
3469
3470     [ $target_os != win32 ] && enabled_all armv6t2 shared !pic && enable_weak_pic
3471
3472 elif enabled mips; then
3473
3474     check_inline_asm loongson '"dmult.g $1, $2, $3"'
3475
3476 elif enabled parisc; then
3477
3478     if enabled gcc; then
3479         case $($cc -dumpversion) in
3480             4.[3-8].*) check_cflags -fno-optimize-sibling-calls ;;
3481         esac
3482     fi
3483
3484 elif enabled ppc; then
3485
3486     enable local_aligned_8 local_aligned_16
3487
3488     check_inline_asm dcbzl     '"dcbzl 0, %0" :: "r"(0)'
3489     check_inline_asm ibm_asm   '"add 0, 0, 0"'
3490     check_inline_asm ppc4xx    '"maclhw r10, r11, r12"'
3491     check_inline_asm xform_asm '"lwzx %1, %y0" :: "Z"(*(int*)0), "r"(0)'
3492
3493     # AltiVec flags: The FSF version of GCC differs from the Apple version
3494     if enabled altivec; then
3495         nogas=warn
3496         check_cflags -maltivec -mabi=altivec &&
3497         { check_header altivec.h && inc_altivec_h="#include <altivec.h>" ; } ||
3498         check_cflags -faltivec
3499
3500         # check if our compiler supports Motorola AltiVec C API
3501         check_cc <<EOF || disable altivec
3502 $inc_altivec_h
3503 int main(void) {
3504     vector signed int v1 = (vector signed int) { 0 };
3505     vector signed int v2 = (vector signed int) { 1 };
3506     v1 = vec_add(v1, v2);
3507     return 0;
3508 }
3509 EOF
3510
3511         enabled altivec || warn "Altivec disabled, possibly missing --cpu flag"
3512     fi
3513
3514 elif enabled sparc; then
3515
3516     enabled vis && check_inline_asm vis '"pdist %f0, %f0, %f0"'
3517
3518 elif enabled x86; then
3519
3520     check_builtin rdtsc    intrin.h   "__rdtsc()"
3521     check_builtin mm_empty mmintrin.h "_mm_empty()"
3522
3523     enable local_aligned_8 local_aligned_16
3524
3525     # check whether EBP is available on x86
3526     # As 'i' is stored on the stack, this program will crash
3527     # if the base pointer is used to access it because the
3528     # base pointer is cleared in the inline assembly code.
3529     check_exec_crash <<EOF && enable ebp_available
3530 volatile int i=0;
3531 __asm__ volatile ("xorl %%ebp, %%ebp" ::: "%ebp");
3532 return i;
3533 EOF
3534
3535     # check whether EBX is available on x86
3536     check_inline_asm ebx_available '""::"b"(0)' &&
3537         check_inline_asm ebx_available '"":::"%ebx"'
3538
3539     # check whether xmm clobbers are supported
3540     check_inline_asm xmm_clobbers '"":::"%xmm0"'
3541
3542     # check whether binutils is new enough to compile SSSE3/MMXEXT
3543     enabled ssse3  && check_inline_asm ssse3_inline  '"pabsw %xmm0, %xmm0"'
3544     enabled mmxext && check_inline_asm mmxext_inline '"pmaxub %mm0, %mm1"'
3545
3546     if ! disabled_any asm mmx yasm; then
3547         if check_cmd $yasmexe --version; then
3548             enabled x86_64 && yasm_extra="-m amd64"
3549             yasm_debug="-g dwarf2"
3550         elif check_cmd nasm -v; then
3551             yasmexe=nasm
3552             yasm_debug="-g -F dwarf"
3553             enabled x86_64 && test "$objformat" = elf && objformat=elf64
3554         fi
3555
3556         YASMFLAGS="-f $objformat $yasm_extra"
3557         enabled pic               && append YASMFLAGS "-DPIC"
3558         test -n "$extern_prefix"  && append YASMFLAGS "-DPREFIX"
3559         case "$objformat" in
3560             elf*) enabled debug && append YASMFLAGS $yasm_debug ;;
3561         esac
3562
3563         check_yasm "vextractf128 xmm0, ymm0, 0" && enable yasm ||
3564             die "yasm not found, use --disable-yasm for a crippled build"
3565         check_yasm "vfmaddps ymm0, ymm1, ymm2, ymm3" || disable fma4_external
3566         check_yasm "CPU amdnop" && enabled i686 && enable cpunop
3567     fi
3568
3569     case "$cpu" in
3570         athlon*|opteron*|k8*|pentium|pentium-mmx|prescott|nocona|atom|geode)
3571             disable fast_clz
3572         ;;
3573     esac
3574
3575 fi
3576
3577 if enabled asm; then
3578     as=${gas:=$as}
3579     check_as <<EOF && enable gnu_as || \
3580         $nogas "GNU assembler not found, install gas-preprocessor"
3581 .macro m n
3582 \n: .int 0
3583 .endm
3584 m x
3585 EOF
3586 fi
3587
3588 check_ldflags -Wl,--as-needed
3589
3590 if check_func dlopen; then
3591     ldl=
3592 elif check_func dlopen -ldl; then
3593     ldl=-ldl
3594 fi
3595
3596 if ! disabled network; then
3597     check_type "sys/types.h sys/socket.h" socklen_t
3598     check_type netdb.h "struct addrinfo"
3599     check_type netinet/in.h "struct group_source_req" -D_BSD_SOURCE
3600     check_type netinet/in.h "struct ip_mreq_source" -D_BSD_SOURCE
3601     check_type netinet/in.h "struct ipv6_mreq" -D_DARWIN_C_SOURCE
3602     check_type netinet/in.h "struct sockaddr_in6"
3603     check_type poll.h "struct pollfd"
3604     check_type "sys/types.h sys/socket.h" "struct sockaddr_storage"
3605     check_struct "sys/types.h sys/socket.h" "struct sockaddr" sa_len
3606     check_type netinet/sctp.h "struct sctp_event_subscribe"
3607     check_func getaddrinfo $network_extralibs
3608     check_func getservbyport $network_extralibs
3609     # Prefer arpa/inet.h over winsock2
3610     if check_header arpa/inet.h ; then
3611         check_func closesocket
3612     elif check_header winsock2.h ; then
3613         check_func_headers winsock2.h closesocket -lws2 &&
3614             network_extralibs="-lws2" ||
3615         { check_func_headers winsock2.h closesocket -lws2_32 &&
3616             network_extralibs="-lws2_32"; }
3617         check_func_headers ws2tcpip.h getaddrinfo $network_extralibs
3618         check_type ws2tcpip.h socklen_t
3619         check_type ws2tcpip.h "struct addrinfo"
3620         check_type ws2tcpip.h "struct group_source_req"
3621         check_type ws2tcpip.h "struct ip_mreq_source"
3622         check_type ws2tcpip.h "struct ipv6_mreq"
3623         check_type winsock2.h "struct pollfd"
3624         check_type ws2tcpip.h "struct sockaddr_in6"
3625         check_type ws2tcpip.h "struct sockaddr_storage"
3626         check_struct winsock2.h "struct sockaddr" sa_len
3627     else
3628         disable network
3629     fi
3630 fi
3631
3632 # Solaris has nanosleep in -lrt, OpenSolaris no longer needs that
3633 check_func nanosleep || { check_func nanosleep -lrt && add_extralibs -lrt; }
3634
3635 check_func  fcntl
3636 check_func  fork
3637 check_func_headers stdlib.h getenv
3638 check_func  gethrtime
3639 check_func  getopt
3640 check_func  getrusage
3641 check_struct "sys/time.h sys/resource.h" "struct rusage" ru_maxrss
3642 check_func  gettimeofday
3643 check_func  inet_aton $network_extralibs
3644 check_func  isatty
3645 check_func  localtime_r
3646 check_func  ${malloc_prefix}memalign            && enable memalign
3647 check_func  mkstemp
3648 check_func  mmap
3649 check_func  mprotect
3650 check_func  ${malloc_prefix}posix_memalign      && enable posix_memalign
3651 check_func_headers malloc.h _aligned_malloc     && enable aligned_malloc
3652 check_func  setrlimit
3653 check_func  strerror_r
3654 check_func  strptime
3655 check_func  strtok_r
3656 check_func  sched_getaffinity
3657 check_builtin sync_val_compare_and_swap "" "int *ptr; int oldval, newval; __sync_val_compare_and_swap(ptr, oldval, newval)"
3658 check_builtin machine_rw_barrier mbarrier.h "__machine_rw_barrier()"
3659 check_builtin atomic_cas_ptr atomic.h "void **ptr; void *oldval, *newval; atomic_cas_ptr(ptr, oldval, newval)"
3660 check_builtin MemoryBarrier windows.h "MemoryBarrier()"
3661 check_func  sysconf
3662 check_func  sysctl
3663 check_func  usleep
3664 check_func_headers io.h setmode
3665 check_lib2 "windows.h shellapi.h" CommandLineToArgvW -lshell32
3666 check_lib2 "windows.h wincrypt.h" CryptGenRandom -ladvapi32
3667 check_lib2 "windows.h psapi.h" GetProcessMemoryInfo -lpsapi
3668 check_func_headers windows.h GetProcessAffinityMask
3669 check_func_headers windows.h GetProcessTimes
3670 check_func_headers windows.h GetSystemTimeAsFileTime
3671 check_func_headers windows.h MapViewOfFile
3672 check_func_headers windows.h SetConsoleTextAttribute
3673 check_func_headers windows.h Sleep
3674 check_func_headers windows.h VirtualAlloc
3675
3676 check_header direct.h
3677 check_header dlfcn.h
3678 check_header dxva.h
3679 check_header dxva2api.h
3680 check_header io.h
3681 check_header malloc.h
3682 check_header poll.h
3683 check_header sys/mman.h
3684 check_header sys/param.h
3685 check_header sys/resource.h
3686 check_header sys/select.h
3687 check_header sys/time.h
3688 check_header sys/un.h
3689 check_header unistd.h
3690 check_header vdpau/vdpau.h
3691 check_header vdpau/vdpau_x11.h
3692 check_header VideoDecodeAcceleration/VDADecoder.h
3693 check_header windows.h
3694 check_header X11/extensions/XvMClib.h
3695
3696 disabled  zlib || check_lib   zlib.h      zlibVersion -lz   || disable  zlib
3697 disabled bzlib || check_lib2 bzlib.h BZ2_bzlibVersion -lbz2 || disable bzlib
3698
3699 if ! disabled w32threads && ! enabled pthreads; then
3700     check_func_headers "windows.h process.h" _beginthreadex && enable w32threads
3701 fi
3702
3703 # check for some common methods of building with pthread support
3704 # do this before the optional library checks as some of them require pthreads
3705 if ! disabled pthreads && ! enabled w32threads; then
3706     enable pthreads
3707     if check_func pthread_create; then
3708         :
3709     elif check_func pthread_create -pthread; then
3710         add_cflags -pthread
3711         add_extralibs -pthread
3712     elif check_func pthread_create -pthreads; then
3713         add_cflags -pthreads
3714         add_extralibs -pthreads
3715     elif check_func pthread_create -lpthreadGC2; then
3716         add_extralibs -lpthreadGC2
3717     elif ! check_lib pthread.h pthread_create -lpthread; then
3718         disable pthreads
3719     fi
3720 fi
3721
3722 for thread in $THREADS_LIST; do
3723     if enabled $thread; then
3724         test -n "$thread_type" &&
3725             die "ERROR: Only one thread type must be selected." ||
3726             thread_type="$thread"
3727     fi
3728 done
3729
3730 enabled sync_val_compare_and_swap && enable atomics_gcc
3731 enabled_all atomic_cas_ptr machine_rw_barrier && enable atomics_suncc
3732 enabled MemoryBarrier && enable atomics_win32
3733
3734 check_lib math.h sin -lm && LIBM="-lm"
3735 enabled vaapi && require vaapi va/va.h vaInitialize -lva
3736
3737 atan2f_args=2
3738 ldexpf_args=2
3739 powf_args=2
3740
3741 for func in $MATH_FUNCS; do
3742     eval check_mathfunc $func \${${func}_args:-1}
3743 done
3744
3745 # these are off by default, so fail if requested and not available
3746 enabled avisynth          && require2 vfw32 "windows.h vfw.h" AVIFileInit -lavifil32
3747 enabled frei0r            && { check_header frei0r.h || die "ERROR: frei0r.h header not found"; }
3748 enabled gnutls            && require_pkg_config gnutls gnutls/gnutls.h gnutls_global_init
3749 enabled libfaac           && require2 libfaac "stdint.h faac.h" faacEncGetVersion -lfaac
3750 enabled libfdk_aac        && require libfdk_aac fdk-aac/aacenc_lib.h aacEncOpen -lfdk-aac
3751 enabled libfreetype       && require_pkg_config freetype2 "ft2build.h freetype/freetype.h" FT_Init_FreeType
3752 enabled libgsm            && { for gsm_hdr in "gsm.h" "gsm/gsm.h"; do
3753                                    check_lib "${gsm_hdr}" gsm_create -lgsm && break;
3754                                done || die "ERROR: libgsm not found"; }
3755 enabled libilbc           && require libilbc ilbc.h WebRtcIlbcfix_InitDecode -lilbc
3756 enabled libmp3lame        && require "libmp3lame >= 3.98.3" lame/lame.h lame_set_VBR_quality -lmp3lame
3757 enabled libopencore_amrnb && require libopencore_amrnb opencore-amrnb/interf_dec.h Decoder_Interface_init -lopencore-amrnb
3758 enabled libopencore_amrwb && require libopencore_amrwb opencore-amrwb/dec_if.h D_IF_init -lopencore-amrwb
3759 enabled libopencv         && require_pkg_config opencv opencv/cv.h cvCreateImageHeader
3760 enabled libopenjpeg       && require libopenjpeg openjpeg.h opj_version -lopenjpeg
3761 enabled libopus           && require_pkg_config opus opus_multistream.h opus_multistream_decoder_create
3762 enabled libpulse          && require_pkg_config libpulse-simple pulse/simple.h pa_simple_new
3763 enabled librtmp           && require_pkg_config librtmp librtmp/rtmp.h RTMP_Socket
3764 enabled libschroedinger   && require_pkg_config schroedinger-1.0 schroedinger/schro.h schro_init
3765 enabled libspeex          && require libspeex speex/speex.h speex_decoder_init -lspeex
3766 enabled libtheora         && require libtheora theora/theoraenc.h th_info_init -ltheoraenc -ltheoradec -logg
3767 enabled libvo_aacenc      && require libvo_aacenc vo-aacenc/voAAC.h voGetAACEncAPI -lvo-aacenc
3768 enabled libvo_amrwbenc    && require libvo_amrwbenc vo-amrwbenc/enc_if.h E_IF_init -lvo-amrwbenc
3769 enabled libvorbis         && require libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbisenc -lvorbis -logg
3770 enabled libvpx            && {
3771     enabled libvpx_vp8_decoder && { check_lib2 "vpx/vpx_decoder.h vpx/vp8dx.h" vpx_codec_dec_init_ver -lvpx ||
3772                                     die "ERROR: libvpx decoder version must be >=0.9.1"; }
3773     enabled libvpx_vp8_encoder && { check_lib2 "vpx/vpx_encoder.h vpx/vp8cx.h" "vpx_codec_enc_init_ver VPX_CQ" -lvpx ||
3774                                     die "ERROR: libvpx encoder version must be >=0.9.6"; }
3775     enabled libvpx_vp9_decoder && { check_lib2 "vpx/vpx_decoder.h vpx/vp8dx.h" "vpx_codec_vp9_dx" -lvpx || disable libvpx_vp9_decoder; }
3776     enabled libvpx_vp9_encoder && { check_lib2 "vpx/vpx_encoder.h vpx/vp8cx.h" "vpx_codec_vp9_cx" -lvpx || disable libvpx_vp9_encoder; } }
3777 enabled libwavpack        && require libwavpack wavpack/wavpack.h WavpackOpenFileOutput  -lwavpack
3778 enabled libx264           && require libx264 x264.h x264_encoder_encode -lx264 &&
3779                              { check_cpp_condition x264.h "X264_BUILD >= 118" ||
3780                                die "ERROR: libx264 version must be >= 0.118."; }
3781 enabled libxavs           && require libxavs xavs.h xavs_encoder_encode -lxavs
3782 enabled libxvid           && require libxvid xvid.h xvid_global -lxvidcore
3783 enabled openssl           && { check_lib openssl/ssl.h SSL_library_init -lssl -lcrypto ||
3784                                check_lib openssl/ssl.h SSL_library_init -lssl32 -leay32 ||
3785                                check_lib openssl/ssl.h SSL_library_init -lssl -lcrypto -lws2_32 -lgdi32 ||
3786                                die "ERROR: openssl not found"; }
3787
3788 if enabled gnutls; then
3789     { check_lib nettle/bignum.h nettle_mpz_get_str_256 -lnettle -lhogweed -lgmp && enable nettle; } ||
3790     { check_lib gcrypt.h gcry_mpi_new -lgcrypt && enable gcrypt; }
3791 fi
3792
3793 # libdc1394 check
3794 if enabled libdc1394; then
3795     { check_lib dc1394/dc1394.h dc1394_new -ldc1394 -lraw1394 &&
3796         enable libdc1394_2; } ||
3797     { check_lib libdc1394/dc1394_control.h dc1394_create_handle -ldc1394_control -lraw1394 &&
3798         enable libdc1394_1; } ||
3799     die "ERROR: No version of libdc1394 found "
3800 fi
3801
3802 if check_pkg_config sdl SDL_events.h SDL_PollEvent; then
3803     check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x010201" $sdl_cflags &&
3804     check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) < 0x010300" $sdl_cflags &&
3805     enable sdl
3806 fi
3807
3808 texi2html -version > /dev/null 2>&1 && enable texi2html || disable texi2html
3809
3810 check_header linux/fb.h
3811 check_header linux/videodev2.h
3812 check_struct linux/videodev2.h "struct v4l2_frmivalenum" discrete
3813
3814 check_header sys/videoio.h
3815
3816 check_func_headers "windows.h vfw.h" capCreateCaptureWindow "$vfwcap_indev_extralibs"
3817 # check that WM_CAP_DRIVER_CONNECT is defined to the proper value
3818 # w32api 3.12 had it defined wrong
3819 check_cpp_condition vfw.h "WM_CAP_DRIVER_CONNECT > WM_USER" && enable vfwcap_defines
3820
3821 # check for ioctl_meteor.h, ioctl_bt848.h and alternatives
3822 { check_header dev/bktr/ioctl_meteor.h &&
3823   check_header dev/bktr/ioctl_bt848.h; } ||
3824 { check_header machine/ioctl_meteor.h &&
3825   check_header machine/ioctl_bt848.h; } ||
3826 { check_header dev/video/meteor/ioctl_meteor.h &&
3827   check_header dev/video/bktr/ioctl_bt848.h; } ||
3828 check_header dev/ic/bt8xx.h
3829
3830 check_header sndio.h
3831 check_header sys/soundcard.h
3832 check_header soundcard.h
3833
3834 enabled_any alsa_indev alsa_outdev &&
3835     check_lib2 alsa/asoundlib.h snd_pcm_htimestamp -lasound
3836
3837 enabled jack_indev && check_lib2 jack/jack.h jack_client_open -ljack &&
3838     check_func jack_port_get_latency_range -ljack
3839
3840 enabled_any sndio_indev sndio_outdev && check_lib2 sndio.h sio_open -lsndio
3841
3842 if enabled libcdio; then
3843     check_lib2 "cdio/cdda.h cdio/paranoia.h" cdio_cddap_open -lcdio_paranoia -lcdio_cdda -lcdio ||
3844     check_lib2 "cdio/paranoia/cdda.h cdio/paranoia/paranoia.h" cdio_cddap_open -lcdio_paranoia -lcdio_cdda -lcdio
3845 fi
3846
3847 enabled x11grab                                           &&
3848 require X11 X11/Xlib.h XOpenDisplay -lX11                 &&
3849 require Xext X11/extensions/XShm.h XShmCreateImage -lXext &&
3850 require Xfixes X11/extensions/Xfixes.h XFixesGetCursorImage -lXfixes
3851
3852 enabled vdpau &&
3853     check_cpp_condition vdpau/vdpau.h "defined VDP_DECODER_PROFILE_MPEG4_PART2_ASP" ||
3854     disable vdpau
3855
3856 enabled debug && add_cflags -g"$debuglevel" && add_asflags -g"$debuglevel"
3857
3858 # add some useful compiler flags if supported
3859 check_cflags -Wdeclaration-after-statement
3860 check_cflags -Wall
3861 check_cflags -Wno-parentheses
3862 check_cflags -Wno-switch
3863 check_cflags -Wno-format-zero-length
3864 check_cflags -Wdisabled-optimization
3865 check_cflags -Wpointer-arith
3866 check_cflags -Wredundant-decls
3867 check_cflags -Wno-pointer-sign
3868 check_cflags -Wcast-qual
3869 check_cflags -Wwrite-strings
3870 check_cflags -Wtype-limits
3871 check_cflags -Wundef
3872 check_cflags -Wmissing-prototypes
3873 check_cflags -Wstrict-prototypes
3874 enabled extra_warnings && check_cflags -Winline
3875
3876 # add some linker flags
3877 check_ldflags -Wl,--warn-common
3878 check_ldflags -Wl,-rpath-link=libswscale:libavfilter:libavdevice:libavformat:libavcodec:libavutil:libavresample
3879 test_ldflags -Wl,-Bsymbolic && append SHFLAGS -Wl,-Bsymbolic
3880
3881 enabled xmm_clobber_test &&
3882     check_ldflags -Wl,--wrap,avcodec_open2              \
3883                   -Wl,--wrap,avcodec_decode_audio4      \
3884                   -Wl,--wrap,avcodec_decode_video2      \
3885                   -Wl,--wrap,avcodec_decode_subtitle2   \
3886                   -Wl,--wrap,avcodec_encode_audio2      \
3887                   -Wl,--wrap,avcodec_encode_video       \
3888                   -Wl,--wrap,avcodec_encode_subtitle    \
3889                   -Wl,--wrap,sws_scale ||
3890     disable xmm_clobber_test
3891
3892 echo "X{};" > $TMPV
3893 if test_ldflags -Wl,--version-script,$TMPV; then
3894     append SHFLAGS '-Wl,--version-script,\$(SUBDIR)lib\$(NAME).ver'
3895     check_cc <<EOF && enable symver_asm_label
3896 void ff_foo(void) __asm__ ("av_foo@VERSION");
3897 void ff_foo(void) { ${inline_asm+__asm__($quotes);} }
3898 EOF
3899     check_cc <<EOF && enable symver_gnu_asm
3900 __asm__(".symver ff_foo,av_foo@VERSION");
3901 void ff_foo(void) {}
3902 EOF
3903 fi
3904
3905 if [ -z "$optflags" ]; then
3906     if enabled small; then
3907         optflags=$cflags_size
3908     elif enabled optimizations; then
3909         optflags=$cflags_speed
3910     else
3911         optflags=$cflags_noopt
3912     fi
3913 fi
3914
3915 check_optflags(){
3916     check_cflags "$@"
3917     enabled lto && check_ldflags "$@"
3918 }
3919
3920
3921 if enabled lto; then
3922     test "$cc_type" != "$ld_type" && die "LTO requires same compiler and linker"
3923     check_cflags  -flto
3924     check_ldflags -flto $cpuflags
3925 fi
3926
3927 check_optflags $optflags
3928 check_optflags -fno-math-errno
3929 check_optflags -fno-signed-zeros
3930
3931 if enabled icc; then
3932     # Just warnings, no remarks
3933     check_cflags -w1
3934     # -wd: Disable following warnings
3935     # 144, 167, 556: -Wno-pointer-sign
3936     # 1292: attribute "foo" ignored
3937     # 1419: external declaration in primary source file
3938     # 10006: ignoring unknown option -fno-signed-zeros
3939     # 10148: ignoring unknown option -Wno-parentheses
3940     # 10156: ignoring option '-W'; no argument required
3941     check_cflags -wd144,167,556,1292,1419,10006,10148,10156
3942     # 11030: Warning unknown option --as-needed
3943     # 10156: ignoring option '-export'; no argument required
3944     check_ldflags -wd10156,11030
3945     # icc 11.0 and 11.1 work with ebp_available, but don't pass the test
3946     enable ebp_available
3947     if enabled x86_32; then
3948         icc_version=$($cc -dumpversion)
3949         test ${icc_version%%.*} -ge 11 &&
3950             check_cflags -falign-stack=maintain-16-byte ||
3951             disable aligned_stack
3952     fi
3953 elif enabled ccc; then
3954     # disable some annoying warnings
3955     add_cflags -msg_disable bitnotint
3956     add_cflags -msg_disable mixfuncvoid
3957     add_cflags -msg_disable nonstandcast
3958     add_cflags -msg_disable unsupieee
3959 elif enabled gcc; then
3960     check_optflags -fno-tree-vectorize
3961     check_cflags -Werror=implicit-function-declaration
3962     check_cflags -Werror=missing-prototypes
3963     check_cflags -Werror=return-type
3964     check_cflags -Werror=declaration-after-statement
3965     check_cflags -Werror=vla
3966 elif enabled llvm_gcc; then
3967     check_cflags -mllvm -stack-alignment=16
3968 elif enabled clang; then
3969     check_cflags -mllvm -stack-alignment=16
3970     check_cflags -Qunused-arguments
3971     check_cflags -Werror=implicit-function-declaration
3972     check_cflags -Werror=missing-prototypes
3973     check_cflags -Werror=return-type
3974 elif enabled armcc; then
3975     # 2523: use of inline assembler is deprecated
3976     add_cflags -W${armcc_opt},--diag_suppress=2523
3977     add_cflags -W${armcc_opt},--diag_suppress=1207
3978     add_cflags -W${armcc_opt},--diag_suppress=1293 # assignment in condition
3979     add_cflags -W${armcc_opt},--diag_suppress=3343 # hardfp compat
3980     add_cflags -W${armcc_opt},--diag_suppress=167  # pointer sign
3981     add_cflags -W${armcc_opt},--diag_suppress=513  # pointer sign
3982 elif enabled tms470; then
3983     add_cflags -pds=824 -pds=837
3984 elif enabled pathscale; then
3985     add_cflags -fstrict-overflow -OPT:wrap_around_unsafe_opt=OFF
3986 elif enabled_any msvc icl; then
3987     enabled x86_32 && disable aligned_stack
3988     enabled_all x86_32 debug && add_cflags -Oy-
3989     enabled debug && add_ldflags -debug
3990     if enabled icl; then
3991         # basically -fstrict-aliasing that does not work (correctly) on icl 13.x
3992         check_cpp_condition "windows.h" "__ICL < 1300" && add_cflags -Qansi-alias
3993         # icl will pass the inline asm tests but inline asm is currently
3994         # not supported (build will fail)
3995         disable inline_asm
3996     fi
3997 fi
3998
3999 case $target_os in
4000     osf1)
4001         enabled ccc && add_ldflags '-Wl,-expect_unresolved,*'
4002     ;;
4003     plan9)
4004         add_cppflags -Dmain=plan9_main
4005     ;;
4006 esac
4007
4008 enabled_any $THREADS_LIST      && enable threads
4009 enabled_any $ATOMICS_LIST      && enable atomics_native
4010
4011 enabled asm || { arch=c; disable $ARCH_LIST $ARCH_EXT_LIST; }
4012
4013 check_deps $CONFIG_LIST       \
4014            $CONFIG_EXTRA      \
4015            $HAVE_LIST         \
4016            $ALL_COMPONENTS    \
4017
4018 ! enabled_any memalign posix_memalign aligned_malloc &&
4019     enabled_any $need_memalign && enable memalign_hack
4020
4021 echo "install prefix            $prefix"
4022 echo "source path               $source_path"
4023 echo "C compiler                $cc"
4024 echo "ARCH                      $arch ($cpu)"
4025 if test "$build_suffix" != ""; then
4026     echo "build suffix              $build_suffix"
4027 fi
4028 if test "$extra_version" != ""; then
4029     echo "version string suffix     $extra_version"
4030 fi
4031 echo "big-endian                ${bigendian-no}"
4032 echo "runtime cpu detection     ${runtime_cpudetect-no}"
4033 if enabled x86; then
4034     echo "${yasmexe}                      ${yasm-no}"
4035     echo "MMX enabled               ${mmx-no}"
4036     echo "MMXEXT enabled            ${mmxext-no}"
4037     echo "3DNow! enabled            ${amd3dnow-no}"
4038     echo "3DNow! extended enabled   ${amd3dnowext-no}"
4039     echo "SSE enabled               ${sse-no}"
4040     echo "SSSE3 enabled             ${ssse3-no}"
4041     echo "AVX enabled               ${avx-no}"
4042     echo "FMA4 enabled              ${fma4-no}"
4043     echo "i686 features enabled     ${i686-no}"
4044     echo "CMOV is fast              ${fast_cmov-no}"
4045     echo "EBX available             ${ebx_available-no}"
4046     echo "EBP available             ${ebp_available-no}"
4047 fi
4048 if enabled arm; then
4049     echo "ARMv5TE enabled           ${armv5te-no}"
4050     echo "ARMv6 enabled             ${armv6-no}"
4051     echo "ARMv6T2 enabled           ${armv6t2-no}"
4052     echo "VFP enabled               ${vfp-no}"
4053     echo "NEON enabled              ${neon-no}"
4054 fi
4055 if enabled ppc; then
4056     echo "AltiVec enabled           ${altivec-no}"
4057     echo "PPC 4xx optimizations     ${ppc4xx-no}"
4058     echo "dcbzl available           ${dcbzl-no}"
4059 fi
4060 if enabled sparc; then
4061     echo "VIS enabled               ${vis-no}"
4062 fi
4063 echo "debug symbols             ${debug-no}"
4064 echo "optimize for size         ${small-no}"
4065 echo "optimizations             ${optimizations-no}"
4066 echo "static                    ${static-no}"
4067 echo "shared                    ${shared-no}"
4068 echo "new filter support        ${avfilter-no}"
4069 echo "network support           ${network-no}"
4070 echo "threading support         ${thread_type-no}"
4071 echo "safe bitstream reader     ${safe_bitstream_reader-no}"
4072 echo "SDL support               ${sdl-no}"
4073 test -n "$random_seed" &&
4074     echo "random seed               ${random_seed}"
4075 echo
4076
4077 echo "External libraries:"
4078 print_enabled '' $EXTERNAL_LIBRARY_LIST | print_3_columns
4079 echo
4080
4081 for type in decoder encoder hwaccel parser demuxer muxer protocol filter bsf indev outdev; do
4082     echo "Enabled ${type}s:"
4083     eval list=\$$(toupper $type)_LIST
4084     print_enabled '_*' $list | print_3_columns
4085     echo
4086 done
4087
4088 license="LGPL version 2.1 or later"
4089 if enabled nonfree; then
4090     license="nonfree and unredistributable"
4091 elif enabled gplv3; then
4092     license="GPL version 3 or later"
4093 elif enabled lgplv3; then
4094     license="LGPL version 3 or later"
4095 elif enabled gpl; then
4096     license="GPL version 2 or later"
4097 fi
4098
4099 echo "License: $license"
4100
4101 echo "Creating config.mak and config.h..."
4102
4103 test -e Makefile || $ln_s "$source_path/Makefile" .
4104
4105 config_files="$TMPH config.mak"
4106
4107 cat > config.mak <<EOF
4108 # Automatically generated by configure - do not modify!
4109 LIBAV_CONFIGURATION=$LIBAV_CONFIGURATION
4110 prefix=$prefix
4111 LIBDIR=\$(DESTDIR)$libdir
4112 SHLIBDIR=\$(DESTDIR)$shlibdir
4113 INCDIR=\$(DESTDIR)$incdir
4114 BINDIR=\$(DESTDIR)$bindir
4115 DATADIR=\$(DESTDIR)$datadir
4116 MANDIR=\$(DESTDIR)$mandir
4117 SRC_PATH=$source_path
4118 CC_IDENT=$cc_ident
4119 ARCH=$arch
4120 CC=$cc
4121 AS=$as
4122 LD=$ld
4123 DEPCC=$dep_cc
4124 DEPCCFLAGS=$DEPCCFLAGS \$(CPPFLAGS)
4125 DEPAS=$as
4126 DEPASFLAGS=$DEPASFLAGS \$(CPPFLAGS)
4127 YASM=$yasmexe
4128 DEPYASM=$yasmexe
4129 AR=$ar
4130 ARFLAGS=$arflags
4131 AR_O=$ar_o
4132 RANLIB=$ranlib
4133 LN_S=$ln_s
4134 CPPFLAGS=$CPPFLAGS
4135 CFLAGS=$CFLAGS
4136 ASFLAGS=$ASFLAGS
4137 AS_C=$AS_C
4138 AS_O=$AS_O
4139 CC_C=$CC_C
4140 CC_E=$CC_E
4141 CC_O=$CC_O
4142 LD_O=$LD_O
4143 LD_LIB=$LD_LIB
4144 LD_PATH=$LD_PATH
4145 DLLTOOL=$dlltool
4146 LDFLAGS=$LDFLAGS
4147 SHFLAGS=$(echo $($ldflags_filter $SHFLAGS))
4148 YASMFLAGS=$YASMFLAGS
4149 BUILDSUF=$build_suffix
4150 FULLNAME=$FULLNAME
4151 LIBPREF=$LIBPREF
4152 LIBSUF=$LIBSUF
4153 LIBNAME=$LIBNAME
4154 SLIBPREF=$SLIBPREF
4155 SLIBSUF=$SLIBSUF
4156 EXESUF=$EXESUF
4157 EXTRA_VERSION=$extra_version
4158 CCDEP=$CCDEP
4159 CCDEP_FLAGS=$CCDEP_FLAGS
4160 ASDEP=$ASDEP
4161 ASDEP_FLAGS=$ASDEP_FLAGS
4162 CC_DEPFLAGS=$CC_DEPFLAGS
4163 AS_DEPFLAGS=$AS_DEPFLAGS
4164 HOSTCC=$host_cc
4165 HOSTLD=$host_ld
4166 HOSTCFLAGS=$host_cflags
4167 HOSTCPPFLAGS=$host_cppflags
4168 HOSTEXESUF=$HOSTEXESUF
4169 HOSTLDFLAGS=$host_ldflags
4170 HOSTLIBS=$host_libs
4171 DEPHOSTCC=$host_cc
4172 DEPHOSTCCFLAGS=$DEPHOSTCCFLAGS \$(HOSTCCFLAGS)
4173 HOSTCCDEP=$HOSTCCDEP
4174 HOSTCCDEP_FLAGS=$HOSTCCDEP_FLAGS
4175 HOSTCC_DEPFLAGS=$HOSTCC_DEPFLAGS
4176 HOSTCC_C=$HOSTCC_C
4177 HOSTCC_O=$HOSTCC_O
4178 HOSTLD_O=$HOSTLD_O
4179 TARGET_EXEC=$target_exec $target_exec_args
4180 TARGET_PATH=$target_path
4181 TARGET_SAMPLES=${target_samples:-\$(SAMPLES)}
4182 LIBS-avplay=$sdl_libs
4183 CFLAGS-avplay=$sdl_cflags
4184 ZLIB=$($ldflags_filter -lz)
4185 LIB_INSTALL_EXTRA_CMD=$LIB_INSTALL_EXTRA_CMD
4186 EXTRALIBS=$extralibs
4187 COMPAT_OBJS=$compat_objs
4188 EXEOBJS=$exeobjs
4189 INSTALL=install
4190 LIBTARGET=${LIBTARGET}
4191 SLIBNAME=${SLIBNAME}
4192 SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}
4193 SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}
4194 SLIB_CREATE_DEF_CMD=${SLIB_CREATE_DEF_CMD}
4195 SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}
4196 SLIB_INSTALL_NAME=${SLIB_INSTALL_NAME}
4197 SLIB_INSTALL_LINKS=${SLIB_INSTALL_LINKS}
4198 SLIB_INSTALL_EXTRA_LIB=${SLIB_INSTALL_EXTRA_LIB}
4199 SLIB_INSTALL_EXTRA_SHLIB=${SLIB_INSTALL_EXTRA_SHLIB}
4200 SAMPLES:=${samples:-\$(LIBAV_SAMPLES)}
4201 EOF
4202
4203 get_version(){
4204     lcname=lib${1}
4205     name=$(toupper $lcname)
4206     file=$source_path/$lcname/version.h
4207     eval $(awk "/#define ${name}_VERSION_M/ { print \$2 \"=\" \$3 }" "$file")
4208     eval ${name}_VERSION=\$${name}_VERSION_MAJOR.\$${name}_VERSION_MINOR.\$${name}_VERSION_MICRO
4209     eval echo "${lcname}_VERSION=\$${name}_VERSION" >> config.mak
4210     eval echo "${lcname}_VERSION_MAJOR=\$${name}_VERSION_MAJOR" >> config.mak
4211     eval echo "${lcname}_VERSION_MINOR=\$${name}_VERSION_MINOR" >> config.mak
4212 }
4213
4214 map 'get_version $v' $LIBRARY_LIST
4215
4216 cat > $TMPH <<EOF
4217 /* Automatically generated by configure - do not modify! */
4218 #ifndef LIBAV_CONFIG_H
4219 #define LIBAV_CONFIG_H
4220 #define LIBAV_CONFIGURATION "$(c_escape $LIBAV_CONFIGURATION)"
4221 #define LIBAV_LICENSE "$(c_escape $license)"
4222 #define AVCONV_DATADIR "$(eval c_escape $datadir)"
4223 #define CC_IDENT "$(c_escape ${cc_ident:-Unknown compiler})"
4224 #define restrict $_restrict
4225 #define EXTERN_PREFIX "${extern_prefix}"
4226 #define EXTERN_ASM ${extern_prefix}
4227 #define SLIBSUF "$SLIBSUF"
4228 EOF
4229
4230 test -n "$malloc_prefix" &&
4231     echo "#define MALLOC_PREFIX $malloc_prefix" >>$TMPH
4232
4233 if enabled yasm; then
4234     append config_files $TMPASM
4235     printf '' >$TMPASM
4236 fi
4237
4238 enabled getenv || echo "#define getenv(x) NULL" >> $TMPH
4239
4240 print_config ARCH_   "$config_files" $ARCH_LIST
4241 print_config HAVE_   "$config_files" $HAVE_LIST
4242 print_config CONFIG_ "$config_files" $CONFIG_LIST       \
4243                                      $CONFIG_EXTRA      \
4244                                      $ALL_COMPONENTS    \
4245
4246 echo "#endif /* LIBAV_CONFIG_H */" >> $TMPH
4247
4248 # Do not overwrite an unchanged config.h to avoid superfluous rebuilds.
4249 cp_if_changed $TMPH config.h
4250 touch .config
4251
4252 enabled yasm && cp_if_changed $TMPASM config.asm
4253
4254 cat > $TMPH <<EOF
4255 /* Generated by ffconf */
4256 #ifndef AVUTIL_AVCONFIG_H
4257 #define AVUTIL_AVCONFIG_H
4258 EOF
4259
4260 print_config AV_HAVE_ $TMPH $HAVE_LIST_PUB
4261
4262 echo "#endif /* AVUTIL_AVCONFIG_H */" >> $TMPH
4263
4264 cp_if_changed $TMPH libavutil/avconfig.h
4265
4266 test -n "$WARNINGS" && printf "\n$WARNINGS"
4267
4268 # build pkg-config files
4269
4270 pkgconfig_generate(){
4271     name=$1
4272     shortname=${name#lib}${build_suffix}
4273     comment=$2
4274     version=$3
4275     libs=$4
4276     requires=$5
4277     enabled ${name#lib} || return 0
4278     mkdir -p $name
4279     cat <<EOF > $name/$name.pc
4280 prefix=$prefix
4281 exec_prefix=\${prefix}
4282 libdir=$libdir
4283 includedir=$incdir
4284
4285 Name: $name
4286 Description: $comment
4287 Version: $version
4288 Requires: $(enabled shared || echo $requires)
4289 Requires.private: $(enabled shared && echo $requires)
4290 Conflicts:
4291 Libs: -L\${libdir} -l${shortname} $(enabled shared || echo $libs)
4292 Libs.private: $(enabled shared && echo $libs)
4293 Cflags: -I\${includedir}
4294 EOF
4295     cat <<EOF > $name/$name-uninstalled.pc
4296 prefix=
4297 exec_prefix=
4298 libdir=\${pcfiledir}
4299 includedir=${source_path}
4300
4301 Name: $name
4302 Description: $comment
4303 Version: $version
4304 Requires: $requires
4305 Conflicts:
4306 Libs: \${libdir}/${LIBPREF}${shortname}${LIBSUF} $libs
4307 Cflags: -I\${includedir}
4308 EOF
4309 }
4310
4311 lavfi_libs="libavutil = $LIBAVUTIL_VERSION"
4312 enabled movie_filter    && prepend lavfi_libs "libavformat >= $LIBAVFORMAT_VERSION, libavcodec >= $LIBAVCODEC_VERSION,"
4313 enabled resample_filter && prepend lavfi_libs "libavresample >= $LIBAVRESAMPLE_VERSION,"
4314 enabled scale_filter    && prepend lavfi_libs "libswscale >= $LIBSWSCALE_VERSION,"
4315
4316 pkgconfig_generate libavutil     "Libav utility library"          "$LIBAVUTIL_VERSION"     "$LIBM"
4317 pkgconfig_generate libavcodec    "Libav codec library"            "$LIBAVCODEC_VERSION"    "$extralibs" "libavutil = $LIBAVUTIL_VERSION"
4318 pkgconfig_generate libavformat   "Libav container format library" "$LIBAVFORMAT_VERSION"   "$extralibs" "libavcodec = $LIBAVCODEC_VERSION"
4319 pkgconfig_generate libavdevice   "Libav device handling library"  "$LIBAVDEVICE_VERSION"   "$extralibs" "libavformat = $LIBAVFORMAT_VERSION"
4320 pkgconfig_generate libavfilter   "Libav video filtering library"  "$LIBAVFILTER_VERSION"   "$extralibs" "$lavfi_libs"
4321 pkgconfig_generate libavresample "Libav audio resampling library" "$LIBAVRESAMPLE_VERSION" "$extralibs" "libavutil = $LIBAVUTIL_VERSION"
4322 pkgconfig_generate libswscale    "Libav image rescaling library"  "$LIBSWSCALE_VERSION"    "$LIBM"      "libavutil = $LIBAVUTIL_VERSION"