configure

   1 #!/bin/sh
   2 #
   3 # FFmpeg configure script
   4 #
   5 # Copyright (c) 2000-2002 Fabrice Bellard
   6 # Copyright (c) 2005-2008 Diego Biurrun
   7 # Copyright (c) 2005-2008 Mans Rullgard
   8 #
   9
  10 # Prevent locale nonsense from breaking basic text processing.
  11 LC_ALL=C
  12 export LC_ALL
  13
  14 # make sure we are running under a compatible shell
  15 # try to make this part work with most shells
  16
  17 try_exec(){
  18     echo "Trying shell $1"
  19     type "$1" > /dev/null 2>&1 && exec "$@"
  20 }
  21
  22 unset foo
  23 (: ${foo%%bar}) 2> /dev/null
  24 E1="$?"
  25
  26 (: ${foo?}) 2> /dev/null
  27 E2="$?"
  28
  29 if test "$E1" != 0 || test "$E2" = 0; then
  30     echo "Broken shell detected.  Trying alternatives."
  31     export FF_CONF_EXEC
  32     if test "0$FF_CONF_EXEC" -lt 1; then
  33         FF_CONF_EXEC=1
  34         try_exec bash "$0" "$@"
  35     fi
  36     if test "0$FF_CONF_EXEC" -lt 2; then
  37         FF_CONF_EXEC=2
  38         try_exec ksh "$0" "$@"
  39     fi
  40     if test "0$FF_CONF_EXEC" -lt 3; then
  41         FF_CONF_EXEC=3
  42         try_exec /usr/xpg4/bin/sh "$0" "$@"
  43     fi
  44     echo "No compatible shell script interpreter found."
  45     echo "This configure script requires a POSIX-compatible shell"
  46     echo "such as bash or ksh."
  47     echo "THIS IS NOT A BUG IN FFMPEG, DO NOT REPORT IT AS SUCH."
  48     echo "Instead, install a working POSIX-compatible shell."
  49     echo "Disabling this configure test will create a broken FFmpeg."
  50     if test "$BASH_VERSION" = '2.04.0(1)-release'; then
  51         echo "This bash version ($BASH_VERSION) is broken on your platform."
  52         echo "Upgrade to a later version if available."
  53     fi
  54     exit 1
  55 fi
  56
  57 show_help(){
  58   echo "Usage: configure [options]"
  59   echo "Options: [defaults in brackets after descriptions]"
  60   echo
  61   echo "Standard options:"
  62   echo "  --help                   print this message"
  63   echo "  --logfile=FILE           log tests and output to FILE [config.err]"
  64   echo "  --disable-logging        do not log configure debug information"
  65   echo "  --prefix=PREFIX          install in PREFIX [$prefix]"
  66   echo "  --bindir=DIR             install binaries in DIR [PREFIX/bin]"
  67   echo "  --datadir=DIR            install data files in DIR [PREFIX/share/ffmpeg]"
  68   echo "  --libdir=DIR             install libs in DIR [PREFIX/lib]"
  69   echo "  --shlibdir=DIR           install shared libs in DIR [PREFIX/lib]"
  70   echo "  --incdir=DIR             install includes in DIR [PREFIX/include]"
  71   echo "  --mandir=DIR             install man page in DIR [PREFIX/share/man]"
  72   echo
  73   echo "Configuration options:"
  74   echo "  --disable-static         do not build static libraries [no]"
  75   echo "  --enable-shared          build shared libraries [no]"
  76   echo "  --enable-gpl             allow use of GPL code, the resulting libs"
  77   echo "                           and binaries will be under GPL [no]"
  78   echo "  --enable-version3        upgrade (L)GPL to version 3 [no]"
  79   echo "  --enable-nonfree         allow use of nonfree code, the resulting libs"
  80   echo "                           and binaries will be unredistributable [no]"
  81   echo "  --disable-ffmpeg         disable ffmpeg build"
  82   echo "  --disable-ffplay         disable ffplay build"
  83   echo "  --disable-ffserver       disable ffserver build"
  84   echo "  --enable-postproc        enable GPLed postprocessing support [no]"
  85   echo "  --enable-avfilter        video filter support [no]"
  86   echo "  --enable-avfilter-lavf   video filters dependent on avformat [no]"
  87   echo "  --enable-beosthreads     use BeOS threads [no]"
  88   echo "  --enable-os2threads      use OS/2 threads [no]"
  89   echo "  --enable-pthreads        use pthreads [no]"
  90   echo "  --enable-w32threads      use Win32 threads [no]"
  91   echo "  --enable-x11grab         enable X11 grabbing [no]"
  92   echo "  --disable-network        disable network support [no]"
  93   echo "  --disable-ipv6           disable IPv6 support [no]"
  94   echo "  --disable-mpegaudio-hp   faster (but less accurate) MPEG audio decoding [no]"
  95   echo "  --enable-gray            enable full grayscale support (slower color)"
  96   echo "  --disable-swscale-alpha  disable alpha channel support in swscale"
  97   echo "  --disable-fastdiv        disable table-based division"
  98   echo "  --enable-small           optimize for size instead of speed"
  99   echo "  --disable-aandct         disable AAN DCT code"
 100   echo "  --disable-fft            disable FFT code"
 101   echo "  --disable-golomb         disable Golomb code"
 102   echo "  --disable-mdct           disable MDCT code"
 103   echo "  --disable-rdft           disable RDFT code"
 104   echo "  --disable-vaapi          disable VAAPI code"
 105   echo "  --disable-vdpau          disable VDPAU code"
 106   echo "  --enable-runtime-cpudetect detect cpu capabilities at runtime (bigger binary)"
 107   echo "  --enable-hardcoded-tables use hardcoded tables instead of runtime generation"
 108   echo "  --enable-memalign-hack   emulate memalign, interferes with memory debuggers"
 109   echo "  --enable-beos-netserver  enable BeOS netserver"
 110   echo "  --disable-encoder=NAME   disable encoder NAME"
 111   echo "  --enable-encoder=NAME    enable encoder NAME"
 112   echo "  --disable-encoders       disable all encoders"
 113   echo "  --disable-decoder=NAME   disable decoder NAME"
 114   echo "  --enable-decoder=NAME    enable decoder NAME"
 115   echo "  --disable-decoders       disable all decoders"
 116   echo "  --disable-hwaccel=NAME   disable hwaccel NAME"
 117   echo "  --enable-hwaccel=NAME    enable hwaccel NAME"
 118   echo "  --disable-hwaccels       disable all hwaccels"
 119   echo "  --disable-muxer=NAME     disable muxer NAME"
 120   echo "  --enable-muxer=NAME      enable muxer NAME"
 121   echo "  --disable-muxers         disable all muxers"
 122   echo "  --disable-demuxer=NAME   disable demuxer NAME"
 123   echo "  --enable-demuxer=NAME    enable demuxer NAME"
 124   echo "  --disable-demuxers       disable all demuxers"
 125   echo "  --enable-parser=NAME     enable parser NAME"
 126   echo "  --disable-parser=NAME    disable parser NAME"
 127   echo "  --disable-parsers        disable all parsers"
 128   echo "  --enable-bsf=NAME        enable bitstream filter NAME"
 129   echo "  --disable-bsf=NAME       disable bitstream filter NAME"
 130   echo "  --disable-bsfs           disable all bitstream filters"
 131   echo "  --enable-protocol=NAME   enable protocol NAME"
 132   echo "  --disable-protocol=NAME  disable protocol NAME"
 133   echo "  --disable-protocols      disable all protocols"
 134   echo "  --disable-indev=NAME     disable input device NAME"
 135   echo "  --disable-outdev=NAME    disable output device NAME"
 136   echo "  --disable-indevs         disable input devices"
 137   echo "  --disable-outdevs        disable output devices"
 138   echo "  --disable-devices        disable all devices"
 139   echo "  --enable-filter=NAME     enable filter NAME"
 140   echo "  --disable-filter=NAME    disable filter NAME"
 141   echo "  --disable-filters        disable all filters"
 142   echo "  --list-decoders          show all available decoders"
 143   echo "  --list-encoders          show all available encoders"
 144   echo "  --list-hwaccels          show all available hardware accelerators"
 145   echo "  --list-muxers            show all available muxers"
 146   echo "  --list-demuxers          show all available demuxers"
 147   echo "  --list-parsers           show all available parsers"
 148   echo "  --list-protocols         show all available protocols"
 149   echo "  --list-bsfs              show all available bitstream filters"
 150   echo "  --list-indevs            show all available input devices"
 151   echo "  --list-outdevs           show all available output devices"
 152   echo "  --list-filters           show all available filters"
 153   echo
 154   echo "External library support:"
 155   echo "  --enable-avisynth        enable reading of AVISynth script files [no]"
 156   echo "  --enable-bzlib           enable bzlib [autodetect]"
 157   echo "  --enable-libopencore-amrnb enable AMR-NB de/encoding via libopencore-amrnb [no]"
 158   echo "  --enable-libopencore-amrwb enable AMR-WB decoding via libopencore-amrwb [no]"
 159   echo "  --enable-libdc1394       enable IIDC-1394 grabbing using libdc1394"
 160   echo "                           and libraw1394 [no]"
 161   echo "  --enable-libdirac        enable Dirac support via libdirac [no]"
 162   echo "  --enable-libfaac         enable FAAC support via libfaac [no]"
 163   echo "  --enable-libfaad         enable FAAD support via libfaad [no]"
 164   echo "  --enable-libfaadbin      open libfaad.so.0 at runtime [no]"
 165   echo "  --enable-libgsm          enable GSM support via libgsm [no]"
 166   echo "  --enable-libmp3lame      enable MP3 encoding via libmp3lame [no]"
 167   echo "  --enable-libnut          enable NUT (de)muxing via libnut,"
 168   echo "                           native (de)muxer exists [no]"
 169   echo "  --enable-libopenjpeg     enable JPEG 2000 decoding via OpenJPEG [no]"
 170   echo "  --enable-libschroedinger enable Dirac support via libschroedinger [no]"
 171   echo "  --enable-libspeex        enable Speex decoding via libspeex [no]"
 172   echo "  --enable-libtheora       enable Theora encoding via libtheora [no]"
 173   echo "  --enable-libvorbis       enable Vorbis encoding via libvorbis,"
 174   echo "                           native implementation exists [no]"
 175   echo "  --enable-libx264         enable H.264 encoding via x264 [no]"
 176   echo "  --enable-libxvid         enable Xvid encoding via xvidcore,"
 177   echo "                           native MPEG-4/Xvid encoder exists [no]"
 178   echo "  --enable-mlib            enable Sun medialib [no]"
 179   echo "  --enable-zlib            enable zlib [autodetect]"
 180   echo ""
 181   echo "Advanced options (experts only):"
 182   echo "  --source-path=PATH       path to source code [$source_path]"
 183   echo "  --cross-prefix=PREFIX    use PREFIX for compilation tools [$cross_prefix]"
 184   echo "  --enable-cross-compile   assume a cross-compiler is used"
 185   echo "  --sysroot=PATH           root of cross-build tree"
 186   echo "  --sysinclude=PATH        location of cross-build system headers"
 187   echo "  --target-os=OS           compiler targets OS [$target_os]"
 188   echo "  --target-exec=CMD        command to run executables on target"
 189   echo "  --target-path=DIR        path to view of build directory on target"
 190   echo "  --nm=NM                  use nm tool"
 191   echo "  --as=AS                  use assembler AS [$as_default]"
 192   echo "  --cc=CC                  use C compiler CC [$cc_default]"
 193   echo "  --ld=LD                  use linker LD"
 194   echo "  --host-cc=HOSTCC         use host C compiler HOSTCC"
 195   echo "  --host-cflags=HCFLAGS    use HCFLAGS when compiling for host"
 196   echo "  --host-ldflags=HLDFLAGS  use HLDFLAGS when linking for host"
 197   echo "  --host-libs=HLIBS        use libs HLIBS when linking for host"
 198   echo "  --extra-cflags=ECFLAGS   add ECFLAGS to CFLAGS [$CFLAGS]"
 199   echo "  --extra-ldflags=ELDFLAGS add ELDFLAGS to LDFLAGS [$LDFLAGS]"
 200   echo "  --extra-libs=ELIBS       add ELIBS [$ELIBS]"
 201   echo "  --extra-version=STRING   version string suffix []"
 202   echo "  --build-suffix=SUFFIX    library name suffix []"
 203   echo "  --arch=ARCH              select architecture [$arch]"
 204   echo "  --cpu=CPU                select the minimum required CPU (affects"
 205   echo "                           instruction selection, may crash on older CPUs)"
 206   echo "  --enable-powerpc-perf    enable performance report on PPC"
 207   echo "                           (requires enabling PMC)"
 208   echo "  --disable-altivec        disable AltiVec optimizations"
 209   echo "  --disable-amd3dnow       disable 3DNow! optimizations"
 210   echo "  --disable-amd3dnowext    disable 3DNow! extended optimizations"
 211   echo "  --disable-mmx            disable MMX optimizations"
 212   echo "  --disable-mmx2           disable MMX2 optimizations"
 213   echo "  --disable-sse            disable SSE optimizations"
 214   echo "  --disable-ssse3          disable SSSE3 optimizations"
 215   echo "  --disable-armv5te        disable armv5te optimizations"
 216   echo "  --disable-armv6          disable armv6 optimizations"
 217   echo "  --disable-armv6t2        disable armv6t2 optimizations"
 218   echo "  --disable-armvfp         disable ARM VFP optimizations"
 219   echo "  --disable-iwmmxt         disable iwmmxt optimizations"
 220   echo "  --disable-mmi            disable MMI optimizations"
 221   echo "  --disable-neon           disable neon optimizations"
 222   echo "  --disable-vis            disable VIS optimizations"
 223   echo "  --disable-yasm           disable use of yasm assembler"
 224   echo
 225   echo "Developer options (useful when working on FFmpeg itself):"
 226   echo "  --disable-debug          disable debugging symbols"
 227   echo "  --enable-debug=LEVEL     set the debug level [$debuglevel]"
 228   echo "  --enable-gprof           enable profiling with gprof [$gprof]"
 229   echo "  --disable-optimizations  disable compiler optimizations"
 230   echo "  --enable-extra-warnings  enable more compiler warnings"
 231   echo "  --disable-stripping      disable stripping of executables and shared libraries"
 232   echo ""
 233   echo "NOTE: Object files are built at the place where configure is launched."
 234   exit 0
 235 }
 236
 237 log(){
 238     echo "$@" >> $logfile
 239 }
 240
 241 log_file(){
 242     log BEGIN $1
 243     pr -n -t $1 >> $logfile
 244     log END $1
 245 }
 246
 247 echolog(){
 248     log "$@"
 249     echo "$@"
 250 }
 251
 252 die(){
 253     echolog "$@"
 254     cat <<EOF
 255
 256 If you think configure made a mistake, make sure you are using the latest
 257 version from SVN.  If the latest version fails, report the problem to the
 258 ffmpeg-user@mplayerhq.hu mailing list or IRC #ffmpeg on irc.freenode.net.
 259 EOF
 260     if disabled logging; then
 261         cat <<EOF
 262 Rerun configure with logging enabled (do not use --disable-logging), and
 263 include the log this produces with your report.
 264 EOF
 265     else
 266 cat <<EOF
 267 Include the log file "$logfile" produced by configure as this will help
 268 solving the problem.
 269 EOF
 270     fi
 271     exit 1
 272 }
 273
 274 # Avoid locale weirdness, besides we really just want to translate ASCII.
 275 toupper(){
 276     echo "$@" | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ
 277 }
 278
 279 tolower(){
 280     echo "$@" | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz
 281 }
 282
 283 c_escape(){
 284     echo "$*" | sed 's/["\\]/\\\0/g'
 285 }
 286
 287 sh_quote(){
 288     v=$(echo "$1" | sed "s/'/'\\\\''/g")
 289     test "$v" = "${v#*[ |&;<>()$\`\\\"\'*?\[\]#~=%]}" || v="'$v'"
 290     echo "$v"
 291 }
 292
 293 set_all(){
 294     value=$1
 295     shift
 296     for var in $*; do
 297         eval $var=$value
 298     done
 299 }
 300
 301 set_weak(){
 302     value=$1
 303     shift
 304     for var; do
 305         eval : \${$var:=$value}
 306     done
 307 }
 308
 309 pushvar(){
 310     for var in $*; do
 311         eval level=\${${var}_level:=0}
 312         eval ${var}_${level}="\$$var"
 313         eval ${var}_level=$(($level+1))
 314     done
 315 }
 316
 317 popvar(){
 318     for var in $*; do
 319         eval level=\${${var}_level:-0}
 320         test $level = 0 && continue
 321         eval level=$(($level-1))
 322         eval $var="\${${var}_${level}}"
 323         eval ${var}_level=$level
 324         eval unset ${var}_${level}
 325     done
 326 }
 327
 328 enable(){
 329     set_all yes $*
 330 }
 331
 332 disable(){
 333     set_all no $*
 334 }
 335
 336 enable_weak(){
 337     set_weak yes $*
 338 }
 339
 340 disable_weak(){
 341     set_weak no $*
 342 }
 343
 344 enable_safe(){
 345     enable $(echo "$*" | sed 's/[^A-Za-z0-9_ ]/_/g')
 346 }
 347
 348 disable_safe(){
 349     disable $(echo "$*" | sed 's/[^A-Za-z0-9_ ]/_/g')
 350 }
 351
 352 do_enable_deep(){
 353     for var; do
 354         enabled $var && continue
 355         eval sel="\$${var}_select"
 356         eval sgs="\$${var}_suggest"
 357         pushvar var sgs
 358         enable_deep $sel
 359         popvar sgs
 360         enable_deep_weak $sgs
 361         popvar var
 362     done
 363 }
 364
 365 enable_deep(){
 366     do_enable_deep $*
 367     enable $*
 368 }
 369
 370 enable_deep_weak(){
 371     do_enable_deep $*
 372     enable_weak $*
 373 }
 374
 375 enabled(){
 376     test "${1#!}" = "$1" && op== || op=!=
 377     eval test "x\$${1#!}" $op "xyes"
 378 }
 379
 380 disabled(){
 381     test "${1#!}" = "$1" && op== || op=!=
 382     eval test "x\$${1#!}" $op "xno"
 383 }
 384
 385 enabled_all(){
 386     for opt; do
 387         enabled $opt || return 1
 388     done
 389 }
 390
 391 disabled_all(){
 392     for opt; do
 393         disabled $opt || return 1
 394     done
 395 }
 396
 397 enabled_any(){
 398     for opt; do
 399         enabled $opt && return 0
 400     done
 401 }
 402
 403 disabled_any(){
 404     for opt; do
 405         disabled $opt && return 0
 406     done
 407     return 1
 408 }
 409
 410 set_default(){
 411     for opt; do
 412         eval : \${$opt:=\$${opt}_default}
 413     done
 414 }
 415
 416 is_in(){
 417     value=$1
 418     shift
 419     for var in $*; do
 420         [ $var = $value ] && return 0
 421     done
 422     return 1
 423 }
 424
 425 check_deps(){
 426     for cfg; do
 427         cfg="${cfg#!}"
 428         enabled ${cfg}_checking && die "Circular dependency for $cfg."
 429         disabled ${cfg}_checking && continue
 430         enable ${cfg}_checking
 431
 432         eval dep_all="\$${cfg}_deps"
 433         eval dep_any="\$${cfg}_deps_any"
 434         eval dep_sel="\$${cfg}_select"
 435         eval dep_sgs="\$${cfg}_suggest"
 436
 437         pushvar cfg dep_all dep_any dep_sel dep_sgs
 438         check_deps $dep_all $dep_any $dep_sel $dep_sgs
 439         popvar cfg dep_all dep_any dep_sel dep_sgs
 440
 441         enabled_all  $dep_all || disable $cfg
 442         enabled_any  $dep_any || disable $cfg
 443         disabled_any $dep_sel && disable $cfg
 444
 445         if enabled $cfg; then
 446             eval dep_extralibs="\$${cfg}_extralibs"
 447             test -n "$dep_extralibs" && add_extralibs $dep_extralibs
 448             enable_deep $dep_sel
 449             enable_deep_weak $dep_sgs
 450         fi
 451
 452         disable ${cfg}_checking
 453     done
 454 }
 455
 456 print_config(){
 457     pfx=$1
 458     header=$2
 459     makefile=$3
 460     shift 3
 461     for cfg; do
 462         ucname="$(toupper $cfg)"
 463         if enabled $cfg; then
 464             echo "#define ${pfx}${ucname} 1" >> $header
 465             echo "${pfx}${ucname}=yes" >> $makefile
 466         else
 467             echo "#define ${pfx}${ucname} 0" >> $header
 468         fi
 469     done
 470 }
 471
 472 flags_saved(){
 473     (: ${SAVE_CFLAGS?}) 2> /dev/null
 474 }
 475
 476 save_flags(){
 477     flags_saved && return
 478     SAVE_CFLAGS="$CFLAGS"
 479     SAVE_LDFLAGS="$LDFLAGS"
 480     SAVE_extralibs="$extralibs"
 481 }
 482
 483 restore_flags(){
 484     flags_saved || return
 485     CFLAGS="$SAVE_CFLAGS"
 486     LDFLAGS="$SAVE_LDFLAGS"
 487     extralibs="$SAVE_extralibs"
 488     unset SAVE_CFLAGS
 489     unset SAVE_LDFLAGS
 490     unset SAVE_extralibs
 491 }
 492
 493 temp_cflags(){
 494     save_flags
 495     CFLAGS="$CFLAGS $*"
 496 }
 497
 498 temp_ldflags(){
 499     save_flags
 500     LDFLAGS="$LDFLAGS $*"
 501 }
 502
 503 temp_extralibs(){
 504     save_flags
 505     extralibs="$extralibs $*"
 506 }
 507
 508 append(){
 509     var=$1
 510     shift
 511     flags_saved && eval "SAVE_$var=\"\$SAVE_$var $*\""
 512     eval "$var=\"\$$var $*\""
 513 }
 514
 515 add_cppflags(){
 516     append CPPFLAGS $($filter_cppflags "$@")
 517 }
 518
 519 add_cflags(){
 520     append CFLAGS $($filter_cflags "$@")
 521 }
 522
 523 add_asflags(){
 524     append ASFLAGS $($filter_asflags "$@")
 525 }
 526
 527 add_ldflags(){
 528     append LDFLAGS "$@"
 529 }
 530
 531 add_extralibs(){
 532     append extralibs "$@"
 533 }
 534
 535 check_cmd(){
 536     log "$@"
 537     "$@" >> $logfile 2>&1
 538 }
 539
 540 check_cc(){
 541     log check_cc "$@"
 542     cat > $TMPC
 543     log_file $TMPC
 544     check_cmd $cc $CPPFLAGS $CFLAGS "$@" -c -o $TMPO $TMPC
 545 }
 546
 547 check_cpp(){
 548     log check_cpp "$@"
 549     cat > $TMPC
 550     log_file $TMPC
 551     check_cmd $cc $CPPFLAGS $CFLAGS "$@" -E -o $TMPO $TMPC
 552 }
 553
 554 check_as(){
 555     log check_as "$@"
 556     cat > $TMPC
 557     log_file $TMPC
 558     check_cmd $as $CPPFLAGS $ASFLAGS "$@" -c -o $TMPO $TMPC
 559 }
 560
 561 check_asm(){
 562     log check_asm "$@"
 563     name="$1"
 564     asm="$2"
 565     shift 2
 566     check_as "$@" <<EOF && enable $name || disable $name
 567 void foo(void){ __asm__ volatile($asm); }
 568 EOF
 569 }
 570
 571 check_yasm(){
 572     log check_yasm "$@"
 573     echo "$1" > $TMPS
 574     log_file $TMPS
 575     shift 1
 576     check_cmd $yasmexe $YASMFLAGS "$@" -o $TMPO $TMPS
 577 }
 578
 579 check_ld(){
 580     log check_ld "$@"
 581     check_cc || return
 582     flags=''
 583     libs=''
 584     for f; do
 585         test "${f}" = "${f#-l}" && flags="$flags $f" || libs="$libs $f"
 586     done
 587     check_cmd $ld $LDFLAGS $flags -o $TMPE $TMPO $extralibs $libs
 588 }
 589
 590 check_cppflags(){
 591     log check_cppflags "$@"
 592     set -- $($filter_cppflags "$@")
 593     check_cc "$@" <<EOF && append CPPFLAGS "$@"
 594 int x;
 595 EOF
 596 }
 597
 598 check_cflags(){
 599     log check_cflags "$@"
 600     set -- $($filter_cflags "$@")
 601     check_cc "$@" <<EOF && append CFLAGS "$@"
 602 int x;
 603 EOF
 604 }
 605
 606 check_ldflags(){
 607     log check_ldflags "$@"
 608     check_ld "$@" <<EOF && add_ldflags "$@"
 609 int main(void){ return 0; }
 610 EOF
 611 }
 612
 613 check_header(){
 614     log check_header "$@"
 615     header=$1
 616     shift
 617     disable_safe $header
 618     check_cpp "$@" <<EOF && enable_safe $header
 619 #include <$header>
 620 int x;
 621 EOF
 622 }
 623
 624 check_func(){
 625     log check_func "$@"
 626     func=$1
 627     shift
 628     disable $func
 629     check_ld "$@" <<EOF && enable $func
 630 extern int $func();
 631 int main(void){ $func(); }
 632 EOF
 633 }
 634
 635 check_func_headers(){
 636     log check_func_headers "$@"
 637     headers=$1
 638     func=$2
 639     shift 2
 640     disable $func
 641     incs=""
 642     for hdr in $headers; do
 643         incs="$incs
 644 #include <$hdr>"
 645     done
 646     check_ld "$@" <<EOF && enable $func && enable_safe $headers
 647 $incs
 648 int main(int argc, char **argv){
 649     return (long) $func;
 650 }
 651 EOF
 652 }
 653
 654 check_cpp_condition(){
 655     log check_cpp_condition "$@"
 656     header=$1
 657     condition=$2
 658     check_cpp <<EOF
 659 #include <$header>
 660 #if !($condition)
 661 #error "unsatisfied condition: $condition"
 662 #endif
 663 EOF
 664 }
 665
 666 check_lib(){
 667     log check_lib "$@"
 668     header="$1"
 669     func="$2"
 670     shift 2
 671     temp_extralibs "$@"
 672     check_header $header && check_func $func && add_extralibs "$@"
 673     err=$?
 674     restore_flags
 675     return $err
 676 }
 677
 678 check_lib2(){
 679     log check_lib2 "$@"
 680     headers="$1"
 681     func="$2"
 682     shift 2
 683     temp_extralibs "$@"
 684     check_func_headers "$headers" $func && add_extralibs "$@"
 685     err=$?
 686     restore_flags
 687     return $err
 688 }
 689
 690 check_exec(){
 691     check_ld "$@" && { enabled cross_compile || $TMPE >> $logfile 2>&1; }
 692 }
 693
 694 check_exec_crash(){
 695     code=$(cat)
 696
 697     # exit() is not async signal safe.  _Exit (C99) and _exit (POSIX)
 698     # are safe but may not be available everywhere.  Thus we use
 699     # raise(SIGTERM) instead.  The check is run in a subshell so we
 700     # can redirect the "Terminated" message from the shell.  SIGBUS
 701     # is not defined by standard C so it is used conditionally.
 702
 703     (check_exec "$@") >> $logfile 2>&1 <<EOF
 704 #include <signal.h>
 705 static void sighandler(int sig){
 706     raise(SIGTERM);
 707 }
 708 int main(void){
 709     signal(SIGILL, sighandler);
 710     signal(SIGFPE, sighandler);
 711     signal(SIGSEGV, sighandler);
 712 #ifdef SIGBUS
 713     signal(SIGBUS, sighandler);
 714 #endif
 715     { $code }
 716 }
 717 EOF
 718 }
 719
 720 check_type(){
 721     log check_type "$@"
 722     headers=$1
 723     type=$2
 724     shift 2
 725     disable $type
 726     incs=""
 727     for hdr in $headers; do
 728         incs="$incs
 729 #include <$hdr>"
 730     done
 731     check_cc "$@" <<EOF && enable $type
 732 $incs
 733 $type v;
 734 EOF
 735 }
 736
 737 require(){
 738     name="$1"
 739     header="$2"
 740     func="$3"
 741     shift 3
 742     check_lib $header $func "$@" || die "ERROR: $name not found"
 743 }
 744
 745 require2(){
 746     name="$1"
 747     headers="$2"
 748     func="$3"
 749     shift 3
 750     check_lib2 "$headers" $func "$@" || die "ERROR: $name not found"
 751 }
 752
 753 check_foo_config(){
 754     cfg=$1
 755     pkg=$2
 756     header=$3
 757     func=$4
 758     shift 4
 759     disable $cfg
 760     check_cmd ${pkg}-config --version
 761     err=$?
 762     if test "$err" = 0; then
 763         temp_cflags $(${pkg}-config --cflags)
 764         temp_extralibs $(${pkg}-config --libs)
 765         check_lib "$@" $header $func && enable $cfg
 766     fi
 767     return $err
 768 }
 769
 770 apply(){
 771     file=$1
 772     shift
 773     "$@" < "$file" > "$file.tmp" && mv "$file.tmp" "$file" || rm "$file.tmp"
 774 }
 775
 776 # CONFIG_LIST contains configurable options, while HAVE_LIST is for
 777 # system-dependent things.
 778
 779 COMPONENT_LIST="
 780     bsfs
 781     decoders
 782     demuxers
 783     encoders
 784     filters
 785     hwaccels
 786     indevs
 787     muxers
 788     outdevs
 789     parsers
 790     protocols
 791 "
 792
 793 CONFIG_LIST="
 794     $COMPONENT_LIST
 795     aandct
 796     avfilter
 797     avfilter_lavf
 798     avisynth
 799     beos_netserver
 800     bzlib
 801     fastdiv
 802     ffmpeg
 803     ffplay
 804     ffserver
 805     fft
 806     golomb
 807     gpl
 808     gprof
 809     gray
 810     hardcoded_tables
 811     ipv6
 812     libdc1394
 813     libdirac
 814     libfaac
 815     libfaad
 816     libfaadbin
 817     libgsm
 818     libmp3lame
 819     libnut
 820     libopencore_amrnb
 821     libopencore_amrwb
 822     libopenjpeg
 823     libschroedinger
 824     libspeex
 825     libtheora
 826     libvorbis
 827     libx264
 828     libxvid
 829     mdct
 830     memalign_hack
 831     mlib
 832     mpegaudio_hp
 833     network
 834     nonfree
 835     postproc
 836     powerpc_perf
 837     rdft
 838     runtime_cpudetect
 839     shared
 840     small
 841     static
 842     swscale_alpha
 843     vaapi
 844     vdpau
 845     version3
 846     x11grab
 847     zlib
 848 "
 849
 850 THREADS_LIST='
 851     beosthreads
 852     os2threads
 853     pthreads
 854     w32threads
 855 '
 856
 857 ARCH_LIST='
 858     alpha
 859     arm
 860     bfin
 861     ia64
 862     m68k
 863     mips
 864     mips64
 865     parisc
 866     ppc
 867     ppc64
 868     s390
 869     sh4
 870     sparc
 871     sparc64
 872     x86
 873     x86_32
 874     x86_64
 875 '
 876
 877 ARCH_EXT_LIST='
 878     altivec
 879     amd3dnow
 880     amd3dnowext
 881     armv5te
 882     armv6
 883     armv6t2
 884     armvfp
 885     iwmmxt
 886     mmi
 887     mmx
 888     mmx2
 889     neon
 890     ppc4xx
 891     sse
 892     ssse3
 893     vis
 894 '
 895
 896 HAVE_LIST="
 897     $ARCH_EXT_LIST
 898     $THREADS_LIST
 899     alsa_asoundlib_h
 900     altivec_h
 901     arpa_inet_h
 902     attribute_packed
 903     bigendian
 904     bswap
 905     closesocket
 906     cmov
 907     conio_h
 908     dcbzl
 909     dev_bktr_ioctl_bt848_h
 910     dev_bktr_ioctl_meteor_h
 911     dev_ic_bt8xx_h
 912     dev_video_meteor_ioctl_meteor_h
 913     dev_video_bktr_ioctl_bt848_h
 914     dlfcn_h
 915     dlopen
 916     dos_paths
 917     ebp_available
 918     ebx_available
 919     fast_64bit
 920     fast_cmov
 921     fast_unaligned
 922     fork
 923     gethrtime
 924     GetProcessTimes
 925     getrusage
 926     inet_aton
 927     inline_asm
 928     ldbrx
 929     libdc1394_1
 930     libdc1394_2
 931     llrint
 932     log2
 933     loongson
 934     lrint
 935     lrintf
 936     lzo1x_999_compress
 937     machine_ioctl_bt848_h
 938     machine_ioctl_meteor_h
 939     malloc_h
 940     memalign
 941     mkstemp
 942     pld
 943     posix_memalign
 944     round
 945     roundf
 946     sdl
 947     sdl_video_size
 948     setmode
 949     socklen_t
 950     soundcard_h
 951     poll_h
 952     sys_mman_h
 953     sys_resource_h
 954     sys_select_h
 955     sys_soundcard_h
 956     sys_videoio_h
 957     ten_operands
 958     termios_h
 959     threads
 960     truncf
 961     VirtualAlloc
 962     winsock2_h
 963     xform_asm
 964     yasm
 965 "
 966
 967 # options emitted with CONFIG_ prefix but not available on command line
 968 CONFIG_EXTRA="
 969     gplv3
 970     lgplv3
 971 "
 972
 973 CMDLINE_SELECT="
 974     $ARCH_EXT_LIST
 975     $CONFIG_LIST
 976     $THREADS_LIST
 977     cross_compile
 978     debug
 979     extra_warnings
 980     logging
 981     optimizations
 982     stripping
 983     yasm
 984 "
 985
 986 PATHS_LIST='
 987     bindir
 988     datadir
 989     incdir
 990     libdir
 991     mandir
 992     prefix
 993     shlibdir
 994 '
 995
 996 CMDLINE_SET="
 997     $PATHS_LIST
 998     arch
 999     as
1000     build_suffix
1001     cc
1002     cpu
1003     cross_prefix
1004     dep_cc
1005     extra_cflags
1006     extra_version
1007     host_cc
1008     host_cflags
1009     host_ldflags
1010     host_libs
1011     host_os
1012     ld
1013     logfile
1014     nm
1015     source_path
1016     sysinclude
1017     sysroot
1018     target_exec
1019     target_os
1020     target_path
1021 "
1022
1023 # code dependency declarations
1024
1025 # architecture extensions
1026 altivec_deps="ppc"
1027 amd3dnow_deps="mmx"
1028 amd3dnowext_deps="amd3dnow"
1029 armv5te_deps="arm"
1030 armv6_deps="arm"
1031 armv6t2_deps="arm"
1032 armvfp_deps="arm"
1033 iwmmxt_deps="arm"
1034 mmi_deps="mips"
1035 mmx_deps="x86"
1036 mmx2_deps="mmx"
1037 neon_deps="arm"
1038 ppc4xx_deps="ppc"
1039 sse_deps="mmx"
1040 ssse3_deps="sse"
1041 vis_deps="sparc"
1042
1043 need_memalign="altivec neon sse"
1044
1045 # decoders / encoders / hardware accelerators
1046 aac_decoder_select="fft mdct"
1047 ac3_decoder_select="fft mdct"
1048 atrac3_decoder_select="fft mdct"
1049 cavs_decoder_select="golomb"
1050 cook_decoder_select="fft mdct"
1051 cscd_decoder_suggest="zlib"
1052 dca_decoder_select="fft mdct"
1053 dnxhd_encoder_select="aandct"
1054 dxa_decoder_select="zlib"
1055 eac3_decoder_select="fft mdct"
1056 eatgq_decoder_select="aandct"
1057 eatqi_decoder_select="aandct"
1058 ffv1_decoder_select="golomb"
1059 flac_decoder_select="golomb"
1060 flac_encoder_select="golomb"
1061 flashsv_decoder_select="zlib"
1062 flashsv_encoder_select="zlib"
1063 flv_encoder_select="aandct"
1064 h261_encoder_select="aandct"
1065 h263_encoder_select="aandct"
1066 h263_vaapi_hwaccel_deps="va_va_h"
1067 h263_vaapi_hwaccel_select="vaapi h263_decoder"
1068 h263p_encoder_select="aandct"
1069 h264_decoder_select="golomb"
1070 h264_vaapi_hwaccel_deps="va_va_h"
1071 h264_vaapi_hwaccel_select="vaapi"
1072 h264_vdpau_decoder_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1073 h264_vdpau_decoder_select="vdpau h264_decoder"
1074 imc_decoder_select="fft mdct"
1075 jpegls_decoder_select="golomb"
1076 jpegls_encoder_select="golomb"
1077 ljpeg_encoder_select="aandct"
1078 loco_decoder_select="golomb"
1079 mjpeg_encoder_select="aandct"
1080 mpeg1video_encoder_select="aandct"
1081 mpeg2video_encoder_select="aandct"
1082 mpeg4_encoder_select="aandct"
1083 mpeg_vdpau_decoder_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1084 mpeg_vdpau_decoder_select="vdpau mpegvideo_decoder"
1085 mpeg1_vdpau_decoder_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1086 mpeg1_vdpau_decoder_select="vdpau mpeg1video_decoder"
1087 mpeg2_vaapi_hwaccel_deps="va_va_h"
1088 mpeg2_vaapi_hwaccel_select="vaapi mpeg2video_decoder"
1089 mpeg4_vaapi_hwaccel_deps="va_va_h"
1090 mpeg4_vaapi_hwaccel_select="vaapi mpeg4_decoder"
1091 mpeg_xvmc_decoder_deps="X11_extensions_XvMClib_h"
1092 msmpeg4v1_encoder_select="aandct"
1093 msmpeg4v2_encoder_select="aandct"
1094 msmpeg4v3_encoder_select="aandct"
1095 nellymoser_decoder_select="fft mdct"
1096 nellymoser_encoder_select="fft mdct"
1097 png_decoder_select="zlib"
1098 png_encoder_select="zlib"
1099 qdm2_decoder_select="fft mdct rdft"
1100 rv10_encoder_select="aandct"
1101 rv20_encoder_select="aandct"
1102 rv30_decoder_select="golomb"
1103 rv40_decoder_select="golomb"
1104 shorten_decoder_select="golomb"
1105 sonic_decoder_select="golomb"
1106 sonic_encoder_select="golomb"
1107 sonic_ls_encoder_select="golomb"
1108 svq3_decoder_select="golomb"
1109 svq3_decoder_suggest="zlib"
1110 tiff_decoder_suggest="zlib"
1111 tiff_encoder_suggest="zlib"
1112 tscc_decoder_select="zlib"
1113 vc1_vaapi_hwaccel_deps="va_va_h"
1114 vc1_vaapi_hwaccel_select="vaapi vc1_decoder"
1115 vc1_vdpau_decoder_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1116 vc1_vdpau_decoder_select="vdpau vc1_decoder"
1117 vorbis_decoder_select="fft mdct"
1118 vorbis_encoder_select="fft mdct"
1119 wmav1_decoder_select="fft mdct"
1120 wmav1_encoder_select="fft mdct"
1121 wmav2_decoder_select="fft mdct"
1122 wmav2_encoder_select="fft mdct"
1123 wmv1_encoder_select="aandct"
1124 wmv2_encoder_select="aandct"
1125 wmv3_vaapi_hwaccel_deps="va_va_h"
1126 wmv3_vaapi_hwaccel_select="vaapi wmv3_decoder"
1127 wmv3_vdpau_decoder_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1128 wmv3_vdpau_decoder_select="vdpau wmv3_decoder"
1129 zlib_decoder_select="zlib"
1130 zlib_encoder_select="zlib"
1131 zmbv_decoder_select="zlib"
1132 zmbv_encoder_select="zlib"
1133
1134 # parsers
1135 h264_parser_select="golomb"
1136
1137 # external libraries
1138 libdirac_decoder_deps="libdirac !libschroedinger"
1139 libdirac_encoder_deps="libdirac"
1140 libfaac_encoder_deps="libfaac"
1141 libfaad_decoder_deps="libfaad"
1142 libfaadbin_decoder_extralibs='$ldl'
1143 libgsm_decoder_deps="libgsm"
1144 libgsm_encoder_deps="libgsm"
1145 libgsm_ms_decoder_deps="libgsm"
1146 libgsm_ms_encoder_deps="libgsm"
1147 libmp3lame_encoder_deps="libmp3lame"
1148 libopencore_amrnb_decoder_deps="libopencore_amrnb"
1149 libopencore_amrnb_encoder_deps="libopencore_amrnb"
1150 libopencore_amrwb_decoder_deps="libopencore_amrwb"
1151 libopenjpeg_decoder_deps="libopenjpeg"
1152 libschroedinger_decoder_deps="libschroedinger"
1153 libschroedinger_encoder_deps="libschroedinger"
1154 libspeex_decoder_deps="libspeex"
1155 libtheora_encoder_deps="libtheora"
1156 libvorbis_encoder_deps="libvorbis"
1157 libx264_encoder_deps="libx264"
1158 libxvid_encoder_deps="libxvid"
1159
1160 # demuxers / muxers
1161 ac3_demuxer_deps="ac3_parser"
1162 asf_stream_muxer_select="asf_muxer"
1163 avisynth_demuxer_deps="avisynth"
1164 dirac_demuxer_deps="dirac_parser"
1165 ipod_muxer_select="mov_muxer"
1166 libnut_demuxer_deps="libnut"
1167 libnut_muxer_deps="libnut"
1168 matroska_audio_muxer_select="matroska_muxer"
1169 matroska_demuxer_suggest="zlib bzlib"
1170 mov_demuxer_suggest="zlib"
1171 mp3_demuxer_deps="mpegaudio_parser"
1172 mp4_muxer_select="mov_muxer"
1173 mpegtsraw_demuxer_select="mpegts_demuxer"
1174 mxf_d10_muxer_select="mxf_muxer"
1175 psp_muxer_select="mov_muxer"
1176 redir_demuxer_deps="network"
1177 rtp_muxer_deps="network rtp_protocol"
1178 rtsp_demuxer_deps="sdp_demuxer"
1179 sdp_demuxer_deps="rtp_protocol mpegts_demuxer"
1180 tg2_muxer_select="mov_muxer"
1181 tgp_muxer_select="mov_muxer"
1182
1183 # indevs / outdevs
1184 alsa_indev_deps="alsa_asoundlib_h snd_pcm_htimestamp"
1185 alsa_indev_extralibs="-lasound"
1186 alsa_outdev_deps="alsa_asoundlib_h"
1187 alsa_outdev_extralibs="-lasound"
1188 audio_beos_indev_deps="audio_beos"
1189 audio_beos_indev_extralibs="-lmedia -lbe"
1190 audio_beos_outdev_deps="audio_beos"
1191 audio_beos_outdev_extralibs="-lmedia -lbe"
1192 bktr_indev_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
1193 dv1394_indev_deps="dv1394 dv_demuxer"
1194 jack_indev_deps="jack_jack_h"
1195 jack_indev_extralibs="-ljack"
1196 libdc1394_indev_deps="libdc1394"
1197 oss_indev_deps_any="soundcard_h sys_soundcard_h"
1198 oss_outdev_deps_any="soundcard_h sys_soundcard_h"
1199 v4l_indev_deps="linux_videodev_h"
1200 v4l2_indev_deps_any="linux_videodev2_h sys_videoio_h"
1201 vfwcap_indev_deps="capCreateCaptureWindow"
1202 vfwcap_indev_extralibs="-lvfw32"
1203 x11_grab_device_indev_deps="x11grab XShmCreateImage"
1204 x11_grab_device_indev_extralibs="-lX11 -lXext"
1205
1206 # protocols
1207 gopher_protocol_deps="network"
1208 http_protocol_deps="network"
1209 rtp_protocol_deps="udp_protocol"
1210 tcp_protocol_deps="network"
1211 udp_protocol_deps="network"
1212
1213 # filters
1214 movie_filter_deps="avfilter_lavf"
1215
1216 # programs
1217 ffplay_deps="sdl"
1218 ffserver_deps="ffm_muxer rtp_protocol rtsp_demuxer"
1219 ffserver_extralibs='$ldl'
1220
1221
1222 # default parameters
1223
1224 logfile="config.err"
1225
1226 # installation paths
1227 prefix_default="/usr/local"
1228 bindir_default='${prefix}/bin'
1229 datadir_default='${prefix}/share/ffmpeg'
1230 incdir_default='${prefix}/include'
1231 libdir_default='${prefix}/lib'
1232 mandir_default='${prefix}/share/man'
1233 shlibdir_default="$libdir_default"
1234
1235 # toolchain
1236 ar="ar"
1237 cc_default="gcc"
1238 host_cc_default="gcc"
1239 ln_s="ln -sf"
1240 nm_default="nm"
1241 objformat="elf"
1242 ranlib="ranlib"
1243 strip="strip"
1244 yasmexe="yasm"
1245
1246 # machine
1247 arch=$(uname -m)
1248 cpu="generic"
1249
1250 # OS
1251 target_os=$(tolower $(uname -s))
1252 host_os=$target_os
1253
1254 # configurable options
1255 enable debug
1256 enable fastdiv
1257 enable ffmpeg
1258 enable ffplay
1259 enable ffserver
1260 enable ipv6
1261 enable mpegaudio_hp
1262 enable network
1263 enable optimizations
1264 enable protocols
1265 enable static
1266 enable stripping
1267 enable swscale_alpha
1268
1269 # build settings
1270 SHFLAGS='-shared -Wl,-soname,$$(@F)'
1271 FFSERVERLDFLAGS=-Wl,-E
1272 LIBPREF="lib"
1273 LIBSUF=".a"
1274 FULLNAME='$(NAME)$(BUILDSUF)'
1275 LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
1276 SLIBPREF="lib"
1277 SLIBSUF=".so"
1278 SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
1279 SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
1280 SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
1281 LIB_INSTALL_EXTRA_CMD='$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
1282
1283 CC_O='-o $@'
1284
1285 host_cflags='-O3 -g -Wall'
1286 host_libs='-lm'
1287
1288 target_path='.'
1289
1290 # gcc stupidly only outputs the basename of targets with -MM, but we need the
1291 # full relative path for objects in subdirectories for non-recursive Make.
1292 DEPEND_CMD='$(DEPCC) $(DEPFLAGS) $< | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(*F)\\.o,$(@D)/$(*F).o,"'
1293 DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -MM'
1294
1295 # find source path
1296 source_path="$(dirname "$0")"
1297 enable source_path_used
1298 if test -f configure; then
1299     source_path="$(pwd)"
1300     disable source_path_used
1301 else
1302     source_path="$(cd "$source_path"; pwd)"
1303     echo "$source_path" | grep -q '[[:blank:]]' &&
1304         die "Out of tree builds are impossible with whitespace in source path."
1305     test -e "$source_path/config.h" &&
1306         die "Out of tree builds are impossible with config.h in source dir."
1307 fi
1308
1309 for v in "$@"; do
1310     r=${v#*=}
1311     l=${v%"$r"}
1312     r=$(sh_quote "$r")
1313     FFMPEG_CONFIGURATION="${FFMPEG_CONFIGURATION# } ${l}${r}"
1314 done
1315
1316 find_things(){
1317     thing=$1
1318     pattern=$2
1319     file=$source_path/$3
1320     sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
1321 }
1322
1323 ENCODER_LIST=$(find_things  encoder  ENC      libavcodec/allcodecs.c)
1324 DECODER_LIST=$(find_things  decoder  DEC      libavcodec/allcodecs.c)
1325 HWACCEL_LIST=$(find_things  hwaccel  HWACCEL  libavcodec/allcodecs.c)
1326 PARSER_LIST=$(find_things   parser   PARSER   libavcodec/allcodecs.c)
1327 BSF_LIST=$(find_things      bsf      BSF      libavcodec/allcodecs.c)
1328 MUXER_LIST=$(find_things    muxer    _MUX     libavformat/allformats.c)
1329 DEMUXER_LIST=$(find_things  demuxer  DEMUX    libavformat/allformats.c)
1330 OUTDEV_LIST=$(find_things   outdev   OUTDEV   libavdevice/alldevices.c)
1331 INDEV_LIST=$(find_things    indev    _IN      libavdevice/alldevices.c)
1332 PROTOCOL_LIST=$(find_things protocol PROTOCOL libavformat/allformats.c)
1333 FILTER_LIST=$(find_things   filter   FILTER   libavfilter/allfilters.c)
1334
1335 enable $ARCH_EXT_LIST \
1336        $DECODER_LIST \
1337        $ENCODER_LIST \
1338        $HWACCEL_LIST \
1339        $PARSER_LIST \
1340        $BSF_LIST \
1341        $DEMUXER_LIST \
1342        $MUXER_LIST \
1343        $FILTER_LIST \
1344        $PROTOCOL_LIST \
1345        $INDEV_LIST \
1346        $OUTDEV_LIST \
1347
1348 die_unknown(){
1349     echo "Unknown option \"$1\"."
1350     echo "See $0 --help for available options."
1351     exit 1
1352 }
1353
1354 show_list() {
1355     suffix=_$1
1356     shift
1357     echo $* | sed s/$suffix//g | tr ' ' '\n' | sort
1358     exit 0
1359 }
1360
1361 for opt do
1362     optval="${opt#*=}"
1363     case "$opt" in
1364     --extra-ldflags=*) add_ldflags $optval
1365     ;;
1366     --extra-libs=*) add_extralibs $optval
1367     ;;
1368     --disable-devices) disable $INDEV_LIST $OUTDEV_LIST
1369     ;;
1370     --enable-debug=*) debuglevel="$optval"
1371     ;;
1372     --enable-*=*|--disable-*=*)
1373     eval $(echo "$opt" | sed 's/=/-/;s/--/action=/;s/-/ thing=/;s/-/ name=/')
1374     case "$thing" in
1375         encoder|decoder|hwaccel|muxer|demuxer|indev|outdev|parser|bsf|protocol|filter) $action ${optval}_${thing} ;;
1376         *) die_unknown "$opt" ;;
1377     esac
1378     ;;
1379     --enable-?*|--disable-?*)
1380     eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')
1381     if is_in $option $COMPONENT_LIST; then
1382         test $action = disable && action=unset
1383         eval $action \$$(toupper ${option%s})_LIST
1384     elif is_in $option $CMDLINE_SELECT; then
1385         $action $option
1386     else
1387         die_unknown $opt
1388     fi
1389     ;;
1390     --list-*)
1391         NAME="${opt#--list-}"
1392         is_in $NAME $COMPONENT_LIST || die_unknown $opt
1393         NAME=${NAME%s}
1394         eval show_list $NAME \$$(toupper $NAME)_LIST
1395     ;;
1396     --help|-h) show_help
1397     ;;
1398     *)
1399     optname="${opt%%=*}"
1400     optname="${optname#--}"
1401     optname=$(echo "$optname" | sed 's/-/_/g')
1402     is_in $optname $CMDLINE_SET || die_unknown $opt
1403     eval $optname='$optval'
1404     ;;
1405     esac
1406 done
1407
1408 disabled logging && logfile=/dev/null
1409
1410 echo "# $0 $FFMPEG_CONFIGURATION" > $logfile
1411 set >> $logfile
1412
1413 test -n "$cross_prefix" && enable cross_compile
1414
1415 ar="${cross_prefix}${ar}"
1416 cc_default="${cross_prefix}${cc_default}"
1417 nm_default="${cross_prefix}${nm_default}"
1418 ranlib="${cross_prefix}${ranlib}"
1419 strip="${cross_prefix}${strip}"
1420
1421 sysinclude_default="${sysroot}/usr/include"
1422
1423 set_default cc nm sysinclude
1424 enabled cross_compile || host_cc_default=$cc
1425 set_default host_cc
1426
1427 exesuf() {
1428     case $1 in
1429         mingw32*|cygwin*|*-dos|freedos|opendos|os/2*) echo .exe ;;
1430     esac
1431 }
1432
1433 EXESUF=$(exesuf $target_os)
1434 HOSTEXESUF=$(exesuf $host_os)
1435
1436 # set temporary file name
1437 : ${TMPDIR:=$TEMPDIR}
1438 : ${TMPDIR:=$TMP}
1439 : ${TMPDIR:=/tmp}
1440
1441 if ! check_cmd type mktemp; then
1442     # simple replacement for missing mktemp
1443     # NOT SAFE FOR GENERAL USE
1444     mktemp(){
1445         echo "${2%XXX*}.${HOSTNAME}.${UID}.$$"
1446     }
1447 fi
1448
1449 tmpfile(){
1450     tmp=$(mktemp -u "${TMPDIR}/ffconf.XXXXXXXX")$2 &&
1451         (set -C; exec > $tmp) 2>/dev/null ||
1452         die "Unable to create temoporary file in $TMPDIR."
1453     append TMPFILES $tmp
1454     eval $1=$tmp
1455 }
1456
1457 trap 'rm -f -- $TMPFILES' EXIT
1458 trap exit HUP INT TERM
1459
1460 tmpfile TMPC  .c
1461 tmpfile TMPE  $EXESUF
1462 tmpfile TMPH  .h
1463 tmpfile TMPO  .o
1464 tmpfile TMPS  .S
1465 tmpfile TMPSH .sh
1466
1467 unset -f mktemp
1468
1469 # make sure we can execute files in $TMPDIR
1470 cat > $TMPSH 2>> $logfile <<EOF
1471 #! /bin/sh
1472 EOF
1473 chmod +x $TMPSH >> $logfile 2>&1
1474 if ! $TMPSH >> $logfile 2>&1; then
1475     cat <<EOF
1476 Unable to create and execute files in $TMPDIR.  Set the TMPDIR environment
1477 variable to another directory and make sure that it is not mounted noexec.
1478 EOF
1479     die "Sanity test failed."
1480 fi
1481
1482 filter_cflags=echo
1483 filter_cppflags=echo
1484 filter_asflags=echo
1485
1486 if   $cc --version 2>/dev/null | grep -qi gcc; then
1487     cc_type=gcc
1488 elif $cc --version 2>/dev/null | grep -q Intel; then
1489     cc_type=icc
1490 elif $cc -v 2>&1 | grep -q xlc; then
1491     cc_type=xlc
1492 elif $cc -V 2>/dev/null | grep -q Compaq; then
1493     cc_type=ccc
1494     DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -M'
1495     debuglevel=3
1496     add_ldflags -Wl,-z,now # calls to libots crash without this
1497 elif $cc --vsn 2>/dev/null | grep -q RVCT; then
1498     test -d "$sysroot" || die "No valid sysroot specified."
1499     cc_type=armcc
1500     armcc_conf="$PWD/armcc.conf"
1501     $cc --arm_linux_configure                 \
1502         --arm_linux_config_file="$armcc_conf" \
1503         --configure_sysroot="$sysroot"        \
1504         --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||
1505         die "Error creating armcc configuration file."
1506     cc="$cc --arm_linux_config_file=$armcc_conf --translate_gcc"
1507     as_default="${cross_prefix}gcc"
1508 fi
1509
1510 test -n "$cc_type" && enable $cc_type || echolog "Unknown C compiler $cc"
1511
1512 : ${as_default:=$cc}
1513 : ${dep_cc_default:=$cc}
1514 : ${ld_default:=$cc}
1515 set_default as dep_cc ld
1516
1517 add_cflags $extra_cflags
1518 add_asflags $extra_cflags
1519
1520 if test -n "$sysroot"; then
1521     case "$cc_type" in
1522         gcc)
1523             add_cppflags --sysroot="$sysroot"
1524             add_ldflags --sysroot="$sysroot"
1525         ;;
1526     esac
1527 fi
1528
1529 # Add processor-specific flags
1530 case $cpu in
1531     601|ppc601|PowerPC601)
1532         cpuflags="-mcpu=601"
1533     ;;
1534     603*|ppc603*|PowerPC603*)
1535         cpuflags="-mcpu=603"
1536     ;;
1537     604*|ppc604*|PowerPC604*)
1538         cpuflags="-mcpu=604"
1539     ;;
1540     G3|g3|75*|ppc75*|PowerPC75*)
1541         cpuflags="-mcpu=750 -mpowerpc-gfxopt"
1542     ;;
1543     G4|g4|745*|ppc745*|PowerPC745*)
1544         cpuflags="-mcpu=7450 -mpowerpc-gfxopt"
1545     ;;
1546     74*|ppc74*|PowerPC74*)
1547         cpuflags="-mcpu=7400 -mpowerpc-gfxopt"
1548     ;;
1549     G5|g5|970|ppc970|PowerPC970|power4*|Power4*)
1550         cpuflags="-mcpu=970 -mpowerpc-gfxopt -mpowerpc64"
1551     ;;
1552     Cell|CELL|cell)
1553         cpuflags="-mcpu=cell"
1554         enable ldbrx
1555     ;;
1556     # targets that do NOT support conditional mov (cmov)
1557     i[345]86|pentium|pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
1558         cpuflags="-march=$cpu"
1559         disable cmov
1560     ;;
1561     # targets that do support conditional mov (cmov)
1562     i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64|k8|opteron|athlon-fx|core2)
1563         cpuflags="-march=$cpu"
1564         enable cmov
1565         enable fast_cmov
1566     ;;
1567     # targets that do support conditional mov but on which it's slow
1568     pentium4|pentium4m|prescott|nocona)
1569         cpuflags="-march=$cpu"
1570         enable cmov
1571         disable fast_cmov
1572     ;;
1573     sparc64)
1574         cpuflags="-mcpu=v9"
1575     ;;
1576     arm11*|cortex*)
1577         cpuflags="-mcpu=$cpu"
1578         enable fast_unaligned
1579     ;;
1580     armv[67]*)
1581         cpuflags="-march=$cpu"
1582         enable fast_unaligned
1583     ;;
1584     armv*)
1585         cpuflags="-march=$cpu"
1586     ;;
1587     arm*)
1588         cpuflags="-mcpu=$cpu"
1589     ;;
1590     ev4|ev45|ev5|ev56|pca56|ev6|ev67)
1591         enabled ccc && cpuflags="-arch $cpu" || cpuflags="-mcpu=$cpu"
1592     ;;
1593     bf*)
1594         cpuflags="-mcpu=$cpu"
1595     ;;
1596     mips*|[45]k*|[237]4k*|m4k|r*000|loongson2[ef])
1597         cpuflags="-march=$cpu"
1598     ;;
1599     generic)
1600     ;;
1601     *)
1602         echo "WARNING: Unknown CPU \"$cpu\", ignored."
1603     ;;
1604 esac
1605
1606 add_cflags $cpuflags
1607 add_asflags $cpuflags
1608
1609 # compiler sanity check
1610 check_exec <<EOF
1611 int main(void){ return 0; }
1612 EOF
1613 if test "$?" != 0; then
1614     echo "$cc is unable to create an executable file."
1615     if test -z "$cross_prefix" && ! enabled cross_compile ; then
1616         echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
1617         echo "Only do this if you know what cross compiling means."
1618     fi
1619     die "C compiler test failed."
1620 fi
1621
1622 add_cppflags -D_ISOC99_SOURCE -D_POSIX_C_SOURCE=200112
1623 check_cflags -std=c99
1624 check_cc -D_FILE_OFFSET_BITS=64 <<EOF && add_cppflags -D_FILE_OFFSET_BITS=64
1625 #include <stdlib.h>
1626 EOF
1627 check_cc -D_LARGEFILE_SOURCE <<EOF && add_cppflags -D_LARGEFILE_SOURCE
1628 #include <stdlib.h>
1629 EOF
1630
1631 case "$arch" in
1632     alpha)
1633         arch="alpha"
1634         enable fast_64bit
1635         check_cflags -mieee
1636     ;;
1637     arm|armv[4567]*l)
1638         arch="arm"
1639     ;;
1640     avr32)
1641     ;;
1642     bfin)
1643         arch="bfin"
1644     ;;
1645     ia64)
1646         arch="ia64"
1647         enable fast_64bit
1648     ;;
1649     m68k)
1650         arch="m68k"
1651     ;;
1652     mips|mipsel|IP*)
1653         arch="mips"
1654     ;;
1655     mips64)
1656         arch="mips"
1657         subarch="mips64"
1658         enable fast_64bit
1659     ;;
1660     parisc|hppa)
1661         arch="parisc"
1662     ;;
1663     parisc64|hppa64)
1664         arch="parisc"
1665         enable fast_64bit
1666     ;;
1667     "Power Macintosh"|ppc|powerpc)
1668         arch="ppc"
1669         enable fast_unaligned
1670     ;;
1671     ppc64)
1672         arch="ppc"
1673         subarch="ppc64"
1674         enable fast_64bit
1675         enable fast_unaligned
1676     ;;
1677     s390|s390x)
1678         arch="s390"
1679     ;;
1680     sh4|sh)
1681         arch="sh4"
1682     ;;
1683     sparc)
1684         arch="sparc"
1685     ;;
1686     sun4u|sparc64)
1687         arch="sparc"
1688         subarch="sparc64"
1689         enable fast_64bit
1690     ;;
1691     i386|i486|i586|i686|i86pc|BePC)
1692         arch="x86"
1693         subarch="x86_32"
1694         enable fast_unaligned
1695     ;;
1696     x86_64|amd64)
1697         arch="x86"
1698         subarch="x86_32"
1699         enable cmov
1700         enable fast_cmov
1701         enable fast_unaligned
1702         check_cc <<EOF && enable fast_64bit && subarch="x86_64"
1703         int test[sizeof(char*) - 7];
1704 EOF
1705     ;;
1706     *)
1707         arch="unknown"
1708     ;;
1709 esac
1710
1711 enable $arch $subarch
1712
1713 # OS specific
1714 case $target_os in
1715     beos|haiku|zeta)
1716         prefix_default="$HOME/config"
1717         # helps building libavcodec
1718         add_cppflags -DPIC
1719         add_cflags -fomit-frame-pointer
1720         # 3 gcc releases known for BeOS, each with ugly bugs
1721         gcc_version="$($cc -v 2>&1 | grep version | cut -d ' ' -f3-)"
1722         case "$gcc_version" in
1723           2.9-beos-991026*|2.9-beos-000224*) echo "R5/GG gcc"
1724             disable mmx
1725             ;;
1726           *20010315*) echo "BeBits gcc"
1727             add_cflags -fno-expensive-optimizations
1728             ;;
1729         esac
1730         SHFLAGS=-nostart
1731         # enable BeOS things
1732         enable audio_beos
1733         # no need for libm, but the inet stuff
1734         # Check for BONE
1735         # XXX: actually should check for NOT net_server
1736         if echo $BEINCLUDES | grep -q 'headers/be/bone'; then
1737             network_extralibs="-lbind -lsocket"
1738         else
1739             enable beos_netserver
1740             network_extralibs="-lnet"
1741         fi ;;
1742     sunos)
1743         FFSERVERLDFLAGS=""
1744         SHFLAGS='-shared -Wl,-h,$$(@F)'
1745         network_extralibs="-lsocket -lnsl"
1746         add_cppflags -D__EXTENSIONS__
1747         ;;
1748     netbsd)
1749         oss_indev_extralibs="-lossaudio"
1750         oss_outdev_extralibs="-lossaudio"
1751         ;;
1752     openbsd)
1753         enable malloc_aligned
1754         LIBOBJFLAGS='$(PIC)'
1755         SHFLAGS='-shared'
1756         oss_indev_extralibs="-lossaudio"
1757         oss_outdev_extralibs="-lossaudio"
1758         ;;
1759     freebsd|dragonfly)
1760         enable malloc_aligned
1761         ;;
1762     bsd/os)
1763         osextralibs="-lpoll -lgnugetopt"
1764         strip="strip -d"
1765         ;;
1766     darwin)
1767         enable malloc_aligned
1768         SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(SHLIBDIR)/$(SLIBNAME),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR) -Wl,-read_only_relocs,suppress'
1769         strip="strip -x"
1770         FFLDFLAGS="-Wl,-dynamic,-search_paths_first"
1771         SLIBSUF=".dylib"
1772         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'
1773         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'
1774         FFSERVERLDFLAGS=-Wl,-bind_at_load
1775         objformat="macho"
1776         enabled x86_64 && objformat="macho64"
1777         ;;
1778     mingw32*)
1779         target_os=mingw32
1780         LIBTARGET=i386
1781         if enabled x86_64; then
1782             enable malloc_aligned
1783             LIBTARGET=x64
1784         elif enabled arm; then
1785             LIBTARGET=arm
1786         fi
1787         shlibdir_default="$bindir_default"
1788         disable ffserver
1789         SLIBPREF=""
1790         SLIBSUF=".dll"
1791         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
1792         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
1793         SLIB_EXTRA_CMD='-lib.exe /machine:$(LIBTARGET) /def:$$(@:$(SLIBSUF)=.def) /out:$(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib)'
1794         SLIB_INSTALL_EXTRA_CMD='-install -m 644 $(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib) "$(SHLIBDIR)/$(SLIBNAME:$(SLIBSUF)=.lib)"; \
1795             install -m 644 $(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib) "$(SHLIBDIR)/$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib)"; \
1796             install -d "$(LIBDIR)"; \
1797             install -m 644 $(SUBDIR)lib$(SLIBNAME:$(SLIBSUF)=.dll.a) "$(LIBDIR)/lib$(SLIBNAME:$(SLIBSUF)=.dll.a)"'
1798         SLIB_UNINSTALL_EXTRA_CMD='rm -f "$(SHLIBDIR)/$(SLIBNAME:$(SLIBSUF)=.lib)"'
1799         SHFLAGS='-shared -Wl,--output-def,$$(@:$(SLIBSUF)=.def) -Wl,--out-implib,$(SUBDIR)lib$(SLIBNAME:$(SLIBSUF)=.dll.a) -Wl,--enable-runtime-pseudo-reloc -Wl,--enable-auto-image-base'
1800         objformat="win32"
1801         enable dos_paths
1802         check_cflags -fno-common
1803         if ! enabled x86_64; then
1804             check_cpp_condition _mingw.h "(__MINGW32_MAJOR_VERSION > 3) || (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" ||
1805                 die "ERROR: MinGW runtime version must be >= 3.15."
1806             enabled_any avisynth vfwcap_indev &&
1807                 { check_cpp_condition w32api.h "(__W32API_MAJOR_VERSION > 3) || (__W32API_MAJOR_VERSION == 3 && __W32API_MINOR_VERSION >= 13)" ||
1808                   die "ERROR: avisynth and vfwcap_indev require w32api version 3.13 or later."; }
1809             fi
1810         ;;
1811     cygwin*)
1812         target_os=cygwin
1813         shlibdir_default="$bindir_default"
1814         SLIBPREF="cyg"
1815         SLIBSUF=".dll"
1816         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
1817         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
1818         SHFLAGS='-shared -Wl,--enable-auto-image-base'
1819         objformat="win32"
1820         enable dos_paths
1821         check_cflags -fno-common
1822         ;;
1823     *-dos|freedos|opendos)
1824         disable ffplay ffserver
1825         disable $INDEV_LIST $OUTDEV_LIST
1826         network_extralibs="-lsocket"
1827         objformat="coff"
1828         enable dos_paths
1829         ;;
1830     linux)
1831         enable dv1394
1832         ;;
1833     irix*)
1834         target_os=irix
1835         ranlib="echo ignoring ranlib"
1836         ;;
1837     os/2*)
1838         strip="lxlite"
1839         ln_s="cp -f"
1840         FFLDFLAGS="-Zomf -Zbin-files -Zargs-wild -Zmap"
1841         SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'
1842         FFSERVERLDFLAGS=""
1843         LIBSUF="_s.a"
1844         SLIBPREF=""
1845         SLIBSUF=".dll"
1846         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
1847         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(NAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'
1848         SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(NAME).def; \
1849           echo PROTMODE >> $(SUBDIR)$(NAME).def; \
1850           echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(NAME).def; \
1851           echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(NAME).def; \
1852           echo EXPORTS >> $(SUBDIR)$(NAME).def; \
1853           emxexp -o $(OBJS) >> $(SUBDIR)$(NAME).def'
1854         SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(NAME).def; \
1855           emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib $(SUBDIR)$(NAME).def;'
1856         SLIB_INSTALL_EXTRA_CMD='install -m 644 $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib "$(LIBDIR)"'
1857         SLIB_UNINSTALL_EXTRA_CMD='rm -f "$(LIBDIR)"/$(LIBPREF)$(NAME)_dll.a "$(LIBDIR)"/$(LIBPREF)$(NAME)_dll.lib'
1858         enable dos_paths
1859         ;;
1860     gnu/kfreebsd)
1861         ;;
1862     gnu)
1863         ;;
1864
1865     *)
1866         die "Unknown OS '$target_os'."
1867         ;;
1868 esac
1869
1870 set_default $PATHS_LIST
1871
1872 add_extralibs $osextralibs
1873
1874 # Combine FFLDFLAGS and the LDFLAGS environment variable.
1875 LDFLAGS="$FFLDFLAGS $LDFLAGS"
1876
1877 # we need to build at least one lib type
1878 if ! enabled_any static shared; then
1879     cat <<EOF
1880 At least one library type must be built.
1881 Specify --enable-static to build the static libraries or --enable-shared to
1882 build the shared libraries as well. To only build the shared libraries specify
1883 --disable-static in addition to --enable-shared.
1884 EOF
1885     exit 1;
1886 fi
1887
1888 disabled static && LIBNAME=""
1889
1890 if enabled_any libfaad libfaadbin ; then
1891     if check_header faad.h; then
1892         check_cc <<EOF
1893 #include <faad.h>
1894 #ifndef FAAD2_VERSION
1895 ok faad1
1896 #endif
1897 int main(void) { return 0; }
1898 EOF
1899         test $? = 0 && enable libfaad2
1900     else
1901         die "FAAD test failed."
1902     fi
1903 fi
1904
1905
1906 die_license_disabled() {
1907     enabled $1 || { enabled $2 && die "$2 is $1 and --enable-$1 is not specified."; }
1908 }
1909
1910 die_license_disabled gpl libfaad2
1911 die_license_disabled gpl libx264
1912 die_license_disabled gpl libxvid
1913 die_license_disabled gpl postproc
1914 die_license_disabled gpl x11grab
1915
1916 die_license_disabled nonfree libfaac
1917
1918 die_license_disabled version3 libopencore_amrnb
1919 die_license_disabled version3 libopencore_amrwb
1920
1921 enabled version3 && { enabled gpl && enable gplv3 || enable lgplv3; }
1922
1923 check_deps $ARCH_EXT_LIST
1924
1925 #Darwin CC versions
1926 if test $target_os = darwin; then
1927     if enabled xlc; then
1928         add_cflags -qpdf2 -qlanglvl=extc99 -qmaxmem=-1 -qarch=auto -qtune=auto
1929     else
1930         add_cflags -pipe
1931         check_cflags -force_cpusubtype_ALL
1932         check_cflags -Wno-sign-compare
1933         enabled shared || check_cflags -mdynamic-no-pic
1934     fi
1935 fi
1936
1937 disabled optimizations || check_cflags -fomit-frame-pointer
1938
1939 check_cc <<EOF || die "Symbol mangling check failed."
1940 int ff_extern;
1941 EOF
1942 sym=$($nm -P -g $TMPO | grep ff_extern)
1943 extern_prefix=${sym%%ff_extern*}
1944
1945 check_cc <<EOF && enable inline_asm
1946 void foo(void) { __asm__ volatile ("" ::); }
1947 EOF
1948
1949 if enabled x86; then
1950     # check whether EBP is available on x86
1951     # As 'i' is stored on the stack, this program will crash
1952     # if the base pointer is used to access it because the
1953     # base pointer is cleared in the inline assembly code.
1954     check_exec_crash <<EOF && enable ebp_available
1955     volatile int i=0;
1956     __asm__ volatile (
1957         "xorl %%ebp, %%ebp"
1958     ::: "%ebp");
1959     return i;
1960 EOF
1961
1962     # check wether EBX is available on x86
1963     check_asm ebx_available '"":::"%ebx"'
1964
1965     # check whether more than 10 operands are supported
1966     check_cc <<EOF && enable ten_operands
1967 int main(void) {
1968     int x=0;
1969     __asm__ volatile(
1970         ""
1971         :"+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x)
1972     );
1973     return 0;
1974 }
1975 EOF
1976
1977     # check whether binutils is new enough to compile SSSE3/MMX2
1978     enabled ssse3 && check_asm ssse3 '"pabsw %xmm0, %xmm0"'
1979     enabled mmx2  && check_asm mmx2  '"pmaxub %mm0, %mm1"'
1980
1981     check_asm bswap '"bswap %%eax" ::: "%eax"'
1982
1983     YASMFLAGS="-f $objformat -DARCH_$(toupper $subarch)"
1984     enabled     x86_64        && append YASMFLAGS "-m amd64"
1985     enabled_all x86_64 shared && append YASMFLAGS "-DPIC"
1986     case "$objformat" in
1987         elf) enabled debug && append YASMFLAGS "-g dwarf2" ;;
1988         macho64)              append YASMFLAGS "-DPIC -DPREFIX" ;;
1989         *)                    append YASMFLAGS "-DPREFIX"  ;;
1990     esac
1991     disabled yasm || { check_yasm "pabsw xmm0, xmm0" && enable yasm; }
1992 fi
1993
1994 # check for assembler specific support
1995
1996 enabled mips && check_asm loongson '"dmult.g $1, $2, $3"'
1997
1998 enabled ppc && check_asm dcbzl '"dcbzl 0, 1"'
1999 enabled ppc && check_asm ppc4xx '"maclhw r10, r11, r12"'
2000 enabled ppc && check_asm xform_asm '"lwzx 0, %y0" :: "Z"(*(int*)0)'
2001
2002 # check for SIMD availability
2003
2004 # AltiVec flags: The FSF version of GCC differs from the Apple version
2005 if enabled altivec; then
2006     check_cflags -maltivec -mabi=altivec &&
2007         { check_header altivec.h && inc_altivec_h="#include <altivec.h>" ; } ||
2008         check_cflags -faltivec
2009
2010     # check if our compiler supports Motorola AltiVec C API
2011     check_cc <<EOF || disable altivec
2012 $inc_altivec_h
2013 int main(void) {
2014     vector signed int v1, v2, v3;
2015     v1 = vec_add(v2,v3);
2016     return 0;
2017 }
2018 EOF
2019
2020     # check if our compiler supports braces for vector declarations
2021     check_cc <<EOF || die "You need a compiler that supports {} in AltiVec vector declarations."
2022 $inc_altivec_h
2023 int main (void) { (vector int) {1}; return 0; }
2024 EOF
2025 fi
2026
2027 # We have to check if pld is a nop and disable it.
2028 enabled arm     && check_asm pld     '"pld [r0]"'
2029 enabled armv5te && check_asm armv5te '"qadd r0, r0, r0"'
2030 enabled armv6   && check_asm armv6   '"sadd16 r0, r0, r0"'
2031 enabled armv6t2 && check_asm armv6t2 '"movt r0, #0"'
2032 enabled armvfp  && check_asm armvfp  '"fadds s0, s0, s0"'
2033 enabled iwmmxt  && check_asm iwmmxt  '"wunpckelub wr6, wr4"'
2034 enabled mmi     && check_asm mmi     '"lq $2, 0($2)"'
2035 enabled neon    && check_asm neon    '"vadd.i16 q0, q0, q0"'
2036 enabled vis     && check_asm vis     '"pdist %f0, %f0, %f0"' -mcpu=ultrasparc
2037
2038 enabled vis && add_cflags -mcpu=ultrasparc -mtune=ultrasparc
2039
2040 check_cc <<EOF || die "endian test failed"
2041 unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';
2042 EOF
2043 od -A n -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian
2044
2045 if check_func dlopen; then
2046     ldl=
2047 elif check_func dlopen -ldl; then
2048     ldl=-ldl
2049 fi
2050
2051 # Solaris has nanosleep in -lrt, OpenSolaris no longer needs that
2052 check_func nanosleep || { check_func nanosleep -lrt && add_extralibs -lrt; }
2053
2054 check_func  fork
2055 check_func  gethrtime
2056 check_func  getrusage
2057 check_func  inet_aton $network_extralibs
2058 check_func  memalign
2059 check_func  mkstemp
2060 check_func  posix_memalign
2061 check_func_headers io.h setmode
2062 check_func_headers lzo/lzo1x.h lzo1x_999_compress
2063 check_func_headers windows.h GetProcessTimes
2064 check_func_headers windows.h VirtualAlloc
2065
2066 check_header conio.h
2067 check_header dlfcn.h
2068 check_header malloc.h
2069 check_header poll.h
2070 check_header sys/mman.h
2071 check_header sys/resource.h
2072 check_header sys/select.h
2073 check_header termios.h
2074 check_header vdpau/vdpau.h
2075 check_header vdpau/vdpau_x11.h
2076 check_header X11/extensions/XvMClib.h
2077
2078 if ! enabled_any memalign memalign_hack posix_memalign malloc_aligned &&
2079      enabled_any $need_memalign ; then
2080     die "Error, no aligned memory allocator but SSE enabled, disable it or use --enable-memalign-hack."
2081 fi
2082
2083 disabled  zlib || check_lib   zlib.h      zlibVersion -lz   || disable  zlib
2084 disabled bzlib || check_lib2 bzlib.h BZ2_bzlibVersion -lbz2 || disable bzlib
2085
2086 # check for some common methods of building with pthread support
2087 # do this before the optional library checks as some of them require pthreads
2088 if enabled pthreads; then
2089     if check_func pthread_create; then
2090         :
2091     elif check_func pthread_create -pthread; then
2092         add_cflags -pthread
2093         add_extralibs -pthread
2094     elif check_func pthread_create -pthreads; then
2095         add_cflags -pthreads
2096         add_extralibs -pthreads
2097     elif check_func pthread_create -lpthreadGC2; then
2098         add_extralibs -lpthreadGC2
2099     elif ! check_lib pthread.h pthread_create -lpthread; then
2100         die "ERROR: can't find pthreads library"
2101     fi
2102 fi
2103
2104 for thread in $THREADS_LIST; do
2105     if enabled $thread; then
2106         test -n "$thread_type" &&
2107             die "ERROR: Only one thread type must be selected." ||
2108             thread_type="$thread"
2109     fi
2110 done
2111
2112 check_lib math.h sin -lm
2113 check_lib va/va.h vaInitialize -lva
2114
2115 check_func llrint
2116 check_func log2
2117 check_func lrint
2118 check_func lrintf
2119 check_func round
2120 check_func roundf
2121 check_func truncf
2122
2123 # these are off by default, so fail if requested and not available
2124 enabled avisynth   && require2 vfw32 "windows.h vfw.h" AVIFileInit -lvfw32
2125 enabled libdirac   && add_cflags $(pkg-config --cflags dirac) &&
2126                       require  libdirac libdirac_decoder/dirac_parser.h dirac_decoder_init -ldirac_decoder &&
2127                       require  libdirac libdirac_encoder/dirac_encoder.h dirac_encoder_init -ldirac_encoder
2128 enabled libfaac    && require2 libfaac "stdint.h faac.h" faacEncGetVersion -lfaac
2129 enabled libfaad    && require2 libfaad faad.h faacDecOpen -lfaad
2130 enabled libgsm     && require  libgsm gsm.h gsm_create -lgsm
2131 enabled libmp3lame && require  libmp3lame lame/lame.h lame_init -lmp3lame -lm
2132 enabled libnut     && require  libnut libnut.h nut_demuxer_init -lnut
2133 enabled libopencore_amrnb  && require libopencore_amrnb opencore-amrnb/interf_dec.h Decoder_Interface_init -lopencore-amrnb -lm
2134 enabled libopencore_amrwb  && require libopencore_amrwb opencore-amrwb/dec_if.h D_IF_init -lopencore-amrwb -lm
2135 enabled libopenjpeg && require libopenjpeg openjpeg.h opj_version -lopenjpeg
2136 enabled libschroedinger && add_cflags $(pkg-config --cflags schroedinger-1.0) &&
2137                            require libschroedinger schroedinger/schro.h schro_init $(pkg-config --libs schroedinger-1.0)
2138 enabled libspeex   && require  libspeex speex/speex.h speex_decoder_init -lspeex
2139 enabled libtheora  && require  libtheora theora/theora.h theora_info_init -ltheora -logg
2140 enabled libvorbis  && require  libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbisenc -lvorbis -logg
2141 enabled libx264    && require  libx264 x264.h x264_encoder_open -lx264 -lm &&
2142                       { check_cpp_condition x264.h "X264_BUILD >= 65" ||
2143                         die "ERROR: libx264 version must be >= 0.65."; }
2144 enabled libxvid    && require  libxvid xvid.h xvid_global -lxvidcore
2145 enabled mlib       && require  mediaLib mlib_types.h mlib_VectorSub_S16_U8_Mod -lmlib
2146
2147 # libdc1394 check
2148 if enabled libdc1394; then
2149     { check_lib dc1394/dc1394.h dc1394_new -ldc1394 -lraw1394 &&
2150         enable libdc1394_2; } ||
2151     { check_lib libdc1394/dc1394_control.h dc1394_create_handle -ldc1394_control -lraw1394 &&
2152         enable libdc1394_1; } ||
2153     die "ERROR: No version of libdc1394 found "
2154 fi
2155
2156
2157 _restrict=
2158 for restrict_keyword in restrict __restrict__ __restrict; do
2159     check_cc <<EOF && _restrict=$restrict_keyword && break
2160 void foo(char * $restrict_keyword p);
2161 EOF
2162 done
2163
2164 check_cc <<EOF && enable attribute_packed
2165 struct { int x; } __attribute__((packed)) x;
2166 EOF
2167
2168 disable sdl_too_old
2169 disable sdl
2170 SDL_CONFIG="${cross_prefix}sdl-config"
2171 if "${SDL_CONFIG}" --version > /dev/null 2>&1; then
2172     sdl_cflags=$("${SDL_CONFIG}" --cflags)
2173     temp_cflags $sdl_cflags
2174     temp_extralibs $("${SDL_CONFIG}" --libs)
2175     if check_lib2 SDL.h SDL_Init; then
2176         _sdlversion=$("${SDL_CONFIG}" --version | sed 's/[^0-9]//g')
2177         if test "$_sdlversion" -lt 121 ; then
2178             enable sdl_too_old
2179         else
2180             enable sdl
2181             check_cc $sdl_cflags <<EOF && enable sdl_video_size
2182 #include <SDL.h>
2183 int main(int argc, char **argv){
2184     const SDL_VideoInfo *vi = SDL_GetVideoInfo();
2185     int w = vi->current_w;
2186     return 0;
2187 }
2188 EOF
2189         fi
2190     fi
2191     restore_flags
2192 fi
2193
2194 texi2html -version > /dev/null 2>&1 && enable texi2html || disable texi2html
2195
2196 if enabled network; then
2197     check_type "sys/types.h sys/socket.h" socklen_t
2198     # Prefer arpa/inet.h over winsock2
2199     if check_header arpa/inet.h ; then
2200         check_func closesocket
2201     elif check_header winsock2.h ; then
2202         check_func_headers winsock2.h closesocket -lws2 && \
2203             network_extralibs="-lws2" || \
2204         { check_func_headers winsock2.h closesocket -lws2_32 && \
2205             network_extralibs="-lws2_32"; }
2206         check_type ws2tcpip.h socklen_t
2207     else
2208         disable network
2209     fi
2210 fi
2211
2212 enabled network && enabled ipv6 && check_ld <<EOF && enable ipv6 || disable ipv6
2213 #include <sys/types.h>
2214 #include <sys/socket.h>
2215 #include <netinet/in.h>
2216 #include <netdb.h>
2217 int main(void) {
2218     struct sockaddr_storage saddr;
2219     struct ipv6_mreq mreq6;
2220     getaddrinfo(0,0,0,0);
2221     getnameinfo(0,0,0,0,0,0,0);
2222     IN6_IS_ADDR_MULTICAST((const struct in6_addr *)0);
2223 }
2224 EOF
2225
2226 check_header linux/videodev.h
2227 check_header linux/videodev2.h
2228 check_header sys/videoio.h
2229
2230 check_func_headers "windows.h vfw.h" capCreateCaptureWindow -lvfw32
2231
2232 # check for ioctl_meteor.h, ioctl_bt848.h and alternatives
2233 { check_header dev/bktr/ioctl_meteor.h &&
2234   check_header dev/bktr/ioctl_bt848.h; } ||
2235 { check_header machine/ioctl_meteor.h &&
2236   check_header machine/ioctl_bt848.h; } ||
2237 { check_header dev/video/meteor/ioctl_meteor.h &&
2238   check_header dev/video/bktr/ioctl_bt848.h; } ||
2239 check_header dev/ic/bt8xx.h
2240
2241 check_header sys/soundcard.h
2242 check_header soundcard.h
2243
2244 enabled alsa_indev || enabled alsa_outdev && check_lib2 alsa/asoundlib.h snd_pcm_htimestamp -lasound
2245
2246 enabled jack_indev && check_lib2 jack/jack.h jack_client_open -ljack
2247
2248 enabled x11grab                         &&
2249 check_header X11/Xlib.h                 &&
2250 check_header X11/extensions/XShm.h      &&
2251 check_func XOpenDisplay -lX11           &&
2252 check_func XShmCreateImage -lX11 -lXext
2253
2254 enabled debug && add_cflags -g"$debuglevel"
2255
2256 # add some useful compiler flags if supported
2257 check_cflags -Wdeclaration-after-statement
2258 check_cflags -Wall
2259 check_cflags -Wno-switch
2260 check_cflags -Wdisabled-optimization
2261 check_cflags -Wpointer-arith
2262 check_cflags -Wredundant-decls
2263 check_cflags -Wno-pointer-sign
2264 check_cflags -Wcast-qual
2265 check_cflags -Wwrite-strings
2266 check_cflags -Wtype-limits
2267 check_cflags -Wundef
2268 enabled extra_warnings && check_cflags -Winline
2269
2270 # add some linker flags
2271 check_ldflags -Wl,--warn-common
2272 check_ldflags -Wl,--as-needed
2273 check_ldflags '-Wl,-rpath-link,\$(BUILD_ROOT)/libpostproc -Wl,-rpath-link,\$(BUILD_ROOT)/libswscale -Wl,-rpath-link,\$(BUILD_ROOT)/libavfilter -Wl,-rpath-link,\$(BUILD_ROOT)/libavdevice -Wl,-rpath-link,\$(BUILD_ROOT)/libavformat -Wl,-rpath-link,\$(BUILD_ROOT)/libavcodec -Wl,-rpath-link,\$(BUILD_ROOT)/libavutil'
2274 check_ldflags -Wl,-Bsymbolic
2275
2276 if enabled small; then
2277     check_cflags -Os            # not all compilers support -Os
2278     optimizations="small"
2279 elif enabled optimizations; then
2280     if enabled xlc; then
2281         add_cflags  -O5
2282         add_ldflags -O5
2283     elif enabled ccc; then
2284         add_cflags -fast
2285     else
2286         add_cflags -O3
2287     fi
2288 fi
2289 check_cflags -fno-math-errno
2290 check_cflags -fno-signed-zeros
2291
2292 if enabled icc; then
2293     # Just warnings, no remarks
2294     check_cflags -w1
2295     # -wd: Disable following warnings
2296     # 144, 167, 556: -Wno-pointer-sign
2297     # 10006: ignoring unknown option -fno-signed-zeros
2298     # 10156: ignoring option '-W'; no argument required
2299     check_cflags -wd144,167,556,10006,10156
2300     # 11030: Warning unknown option --as-needed
2301     # 10156: ignoring option '-export'; no argument required
2302     check_ldflags -wd10156,11030
2303     # Allow to compile with optimizations
2304     check_ldflags -march=$cpu
2305     # icc 11.0 and 11.1 work with ebp_available, but don't pass the test
2306     enable ebp_available
2307 elif enabled ccc; then
2308     # disable some annoying warnings
2309     add_cflags -msg_disable cvtu32to64
2310     add_cflags -msg_disable embedcomment
2311     add_cflags -msg_disable needconstext
2312     add_cflags -msg_disable nomainieee
2313     add_cflags -msg_disable ptrmismatch1
2314     add_cflags -msg_disable unreachcode
2315 elif enabled gcc; then
2316     check_cflags -fno-tree-vectorize
2317 fi
2318
2319 # PIC flags for shared library objects where they are needed
2320 if enabled shared; then
2321     # LIBOBJFLAGS may have already been set in the OS configuration
2322     if test -z "$LIBOBJFLAGS" ; then
2323         case "${subarch-$arch}" in
2324             x86_64|ia64|alpha|sparc*|power*|parisc*|mips*) LIBOBJFLAGS='$(PIC)' ;;
2325         esac
2326     fi
2327 fi
2328
2329 if enabled gprof; then
2330     add_cflags  -p
2331     add_ldflags -p
2332 fi
2333
2334 # Find out if the .align argument is a power of two or not.
2335 check_asm asmalign_pot '".align 3"'
2336
2337 enabled_any $DECODER_LIST      && enable decoders
2338 enabled_any $ENCODER_LIST      && enable encoders
2339 enabled_any $HWACCEL_LIST      && enable hwaccels
2340 enabled_any $BSF_LIST          && enable bsfs
2341 enabled_any $DEMUXER_LIST      && enable demuxers
2342 enabled_any $MUXER_LIST        && enable muxers
2343 enabled_any $FILTER_LIST       && enable filters
2344 enabled_any $INDEV_LIST        && enable indevs
2345 enabled_any $OUTDEV_LIST       && enable outdevs
2346 enabled_any $PROTOCOL_LIST     && enable protocols
2347
2348 enabled_any $THREADS_LIST      && enable threads
2349
2350 check_deps $CONFIG_LIST       \
2351            $CONFIG_EXTRA      \
2352            $HAVE_LIST         \
2353            $DECODER_LIST      \
2354            $ENCODER_LIST      \
2355            $HWACCEL_LIST      \
2356            $PARSER_LIST       \
2357            $BSF_LIST          \
2358            $DEMUXER_LIST      \
2359            $MUXER_LIST        \
2360            $FILTER_LIST       \
2361            $INDEV_LIST        \
2362            $OUTDEV_LIST       \
2363            $PROTOCOL_LIST     \
2364
2365 echo "install prefix            $prefix"
2366 echo "source path               $source_path"
2367 echo "C compiler                $cc"
2368 echo ".align is power-of-two    $asmalign_pot"
2369 echo "ARCH                      $arch ($cpu)"
2370 if test "$build_suffix" != ""; then
2371     echo "build suffix              $build_suffix"
2372 fi
2373 if test "$extra_version" != ""; then
2374     echo "version string suffix     $extra_version"
2375 fi
2376 echo "big-endian                ${bigendian-no}"
2377 echo "runtime cpu detection     ${runtime_cpudetect-no}"
2378 if enabled x86; then
2379     echo "yasm                      ${yasm-no}"
2380     echo "MMX enabled               ${mmx-no}"
2381     echo "MMX2 enabled              ${mmx2-no}"
2382     echo "3DNow! enabled            ${amd3dnow-no}"
2383     echo "3DNow! extended enabled   ${amd3dnowext-no}"
2384     echo "SSE enabled               ${sse-no}"
2385     echo "SSSE3 enabled             ${ssse3-no}"
2386     echo "CMOV enabled              ${cmov-no}"
2387     echo "CMOV is fast              ${fast_cmov-no}"
2388     echo "EBX available             ${ebx_available-no}"
2389     echo "EBP available             ${ebp_available-no}"
2390     echo "10 operands supported     ${ten_operands-no}"
2391 fi
2392 if enabled arm; then
2393     echo "ARMv5TE enabled           ${armv5te-no}"
2394     echo "ARMv6 enabled             ${armv6-no}"
2395     echo "ARMv6T2 enabled           ${armv6t2-no}"
2396     echo "ARM VFP enabled           ${armvfp-no}"
2397     echo "IWMMXT enabled            ${iwmmxt-no}"
2398     echo "NEON enabled              ${neon-no}"
2399 fi
2400 if enabled mips; then
2401     echo "MMI enabled               ${mmi-no}"
2402 fi
2403 if enabled ppc; then
2404     echo "AltiVec enabled           ${altivec-no}"
2405     echo "PPC 4xx optimizations     ${ppc4xx-no}"
2406     echo "dcbzl available           ${dcbzl-no}"
2407     echo "performance report        ${powerpc_perf-no}"
2408 fi
2409 if enabled sparc; then
2410     echo "VIS enabled               ${vis-no}"
2411 fi
2412 echo "gprof enabled             ${gprof-no}"
2413 echo "debug symbols             ${debug-no}"
2414 echo "strip symbols             ${stripping-no}"
2415 echo "optimizations             ${optimizations-no}"
2416 echo "static                    ${static-no}"
2417 echo "shared                    ${shared-no}"
2418 echo "postprocessing support    ${postproc-no}"
2419 echo "new filter support        ${avfilter-no}"
2420 echo "filters using lavformat   ${avfilter_lavf-no}"
2421 echo "network support           ${network-no}"
2422 if enabled network; then
2423     echo "IPv6 support              ${ipv6-no}"
2424 fi
2425 echo "threading support         ${thread_type-no}"
2426 echo "SDL support               ${sdl-no}"
2427 if enabled sdl_too_old; then
2428     echo "-> Your SDL version is too old - please upgrade to have FFplay/SDL support."
2429 fi
2430 echo "Sun medialib support      ${mlib-no}"
2431 echo "AVISynth enabled          ${avisynth-no}"
2432 echo "libdc1394 support         ${libdc1394-no}"
2433 echo "libdirac enabled          ${libdirac-no}"
2434 echo "libfaac enabled           ${libfaac-no}"
2435 echo "libfaad enabled           ${libfaad-no}"
2436 echo "libfaad dlopened          ${libfaadbin-no}"
2437 echo "libgsm enabled            ${libgsm-no}"
2438 echo "libmp3lame enabled        ${libmp3lame-no}"
2439 echo "libnut enabled            ${libnut-no}"
2440 echo "libopencore-amrnb support ${libopencore_amrnb-no}"
2441 echo "libopencore-amrwb support ${libopencore_amrwb-no}"
2442 echo "libopenjpeg enabled       ${libopenjpeg-no}"
2443 echo "libschroedinger enabled   ${libschroedinger-no}"
2444 echo "libspeex enabled          ${libspeex-no}"
2445 echo "libtheora enabled         ${libtheora-no}"
2446 echo "libvorbis enabled         ${libvorbis-no}"
2447 echo "libx264 enabled           ${libx264-no}"
2448 echo "libxvid enabled           ${libxvid-no}"
2449 echo "zlib enabled              ${zlib-no}"
2450 echo "bzlib enabled             ${bzlib-no}"
2451 echo
2452
2453 for type in decoder encoder hwaccel parser demuxer muxer protocol filter bsf indev outdev; do
2454     echo "Enabled ${type}s:"
2455     eval list=\$$(toupper $type)_LIST
2456     for part in $list; do
2457         enabled $part && echo ${part%_*}
2458     done | sort | pr -3 -t
2459     echo
2460 done
2461
2462 license="LGPL version 2.1 or later"
2463 if enabled nonfree; then
2464     license="nonfree and unredistributable"
2465 elif enabled gplv3; then
2466     license="GPL version 3 or later"
2467 elif enabled lgplv3; then
2468     license="LGPL version 3 or later"
2469 elif enabled gpl; then
2470     license="GPL version 2 or later"
2471 fi
2472
2473 echo "License: $license"
2474
2475 echo "Creating config.mak and config.h..."
2476
2477 echo "# Automatically generated by configure - do not modify!" > config.mak
2478 echo "/* Automatically generated by configure - do not modify! */" > $TMPH
2479 echo "#ifndef FFMPEG_CONFIG_H" >> $TMPH
2480 echo "#define FFMPEG_CONFIG_H" >> $TMPH
2481 echo "#define FFMPEG_CONFIGURATION \"$(c_escape $FFMPEG_CONFIGURATION)\"" >> $TMPH
2482 echo "#define FFMPEG_DATADIR \"$(eval c_escape $datadir)\"" >> $TMPH
2483
2484 echo "ifndef FFMPEG_CONFIG_MAK" >> config.mak
2485 echo "FFMPEG_CONFIG_MAK=1" >> config.mak
2486
2487 echo "FFMPEG_CONFIGURATION=$FFMPEG_CONFIGURATION" >> config.mak
2488 echo "prefix=$prefix" >> config.mak
2489 echo "LIBDIR=\$(DESTDIR)$libdir" >> config.mak
2490 echo "SHLIBDIR=\$(DESTDIR)$shlibdir" >> config.mak
2491 echo "INCDIR=\$(DESTDIR)$incdir" >> config.mak
2492 echo "BINDIR=\$(DESTDIR)$bindir" >> config.mak
2493 echo "DATADIR=\$(DESTDIR)$datadir" >> config.mak
2494 echo "MANDIR=\$(DESTDIR)$mandir" >> config.mak
2495 echo "SRC_PATH=\"$source_path\"" >> config.mak
2496 echo "SRC_PATH_BARE=$source_path" >> config.mak
2497 echo "BUILD_ROOT=\"$PWD\"" >> config.mak
2498 echo "CC=$cc" >> config.mak
2499 echo "AS=$as" >> config.mak
2500 echo "LD=$ld" >> config.mak
2501 echo "DEPCC=$dep_cc" >> config.mak
2502 echo "YASM=$yasmexe" >> config.mak
2503 echo "AR=$ar" >> config.mak
2504 echo "RANLIB=$ranlib" >> config.mak
2505 echo "LN_S=$ln_s" >> config.mak
2506 enabled stripping &&
2507     echo "STRIP=$strip" >> config.mak ||
2508     echo "STRIP=echo ignoring strip" >> config.mak
2509
2510 echo "CPPFLAGS=$CPPFLAGS" >> config.mak
2511 echo "CFLAGS=$CFLAGS" >> config.mak
2512 echo "ASFLAGS=$ASFLAGS" >> config.mak
2513 echo "CC_O=$CC_O" >> config.mak
2514 echo "LDFLAGS=$LDFLAGS" >> config.mak
2515 echo "FFSERVERLDFLAGS=$FFSERVERLDFLAGS" >> config.mak
2516 echo "SHFLAGS=$SHFLAGS" >> config.mak
2517 echo "YASMFLAGS=$YASMFLAGS" >> config.mak
2518 echo "LIBOBJFLAGS=$LIBOBJFLAGS" >> config.mak
2519 echo "BUILD_STATIC=$static" >> config.mak
2520 echo "BUILDSUF=$build_suffix" >> config.mak
2521 echo "FULLNAME=$FULLNAME" >> config.mak
2522 echo "LIBPREF=$LIBPREF" >> config.mak
2523 echo "LIBSUF=$LIBSUF" >> config.mak
2524 echo "LIBNAME=$LIBNAME" >> config.mak
2525 echo "SLIBPREF=$SLIBPREF" >> config.mak
2526 echo "SLIBSUF=$SLIBSUF" >> config.mak
2527 echo "EXESUF=$EXESUF" >> config.mak
2528 echo "EXTRA_VERSION=$extra_version" >> config.mak
2529 echo "DEPEND_CMD=$DEPEND_CMD" >> config.mak
2530 echo "DEPFLAGS=$DEPFLAGS" >> config.mak
2531 echo "HOSTCC=$host_cc" >> config.mak
2532 echo "HOSTCFLAGS=$host_cflags" >> config.mak
2533 echo "HOSTEXESUF=$HOSTEXESUF" >> config.mak
2534 echo "HOSTLDFLAGS=$host_ldflags" >> config.mak
2535 echo "HOSTLIBS=$host_libs" >> config.mak
2536 echo "TARGET_EXEC=$target_exec" >> config.mak
2537 echo "TARGET_PATH=$target_path" >> config.mak
2538
2539 if enabled bigendian; then
2540     echo "WORDS_BIGENDIAN=yes" >> config.mak
2541     echo "#define WORDS_BIGENDIAN 1" >> $TMPH
2542 fi
2543
2544 if enabled sdl; then
2545     echo "SDL_LIBS=$("${SDL_CONFIG}" --libs)" >> config.mak
2546     echo "SDL_CFLAGS=$("${SDL_CONFIG}" --cflags)" >> config.mak
2547 fi
2548 if enabled texi2html; then
2549     echo "BUILD_DOC=yes" >> config.mak
2550 fi
2551
2552 get_version(){
2553     name=$1
2554     file=$source_path/$2
2555     eval $(grep "#define ${name}_VERSION_M" "$file" | awk '{ print $2"="$3 }')
2556     eval ${name}_VERSION=\$${name}_VERSION_MAJOR.\$${name}_VERSION_MINOR.\$${name}_VERSION_MICRO
2557     lcname=$(tolower $name)
2558     eval echo "${lcname}_VERSION=\$${name}_VERSION" >> config.mak
2559     eval echo "${lcname}_VERSION_MAJOR=\$${name}_VERSION_MAJOR" >> config.mak
2560 }
2561
2562 get_version LIBSWSCALE  libswscale/swscale.h
2563 get_version LIBPOSTPROC libpostproc/postprocess.h
2564 get_version LIBAVCODEC  libavcodec/avcodec.h
2565 get_version LIBAVDEVICE libavdevice/avdevice.h
2566 get_version LIBAVFORMAT libavformat/avformat.h
2567 get_version LIBAVUTIL   libavutil/avutil.h
2568 get_version LIBAVFILTER libavfilter/avfilter.h
2569
2570 if enabled shared; then
2571     echo "BUILD_SHARED=yes" >> config.mak
2572     echo "PIC=-fPIC -DPIC" >> config.mak
2573     echo "LIBTARGET=${LIBTARGET}" >> config.mak
2574     echo "SLIBNAME=${SLIBNAME}" >> config.mak
2575     echo "SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}" >> config.mak
2576     echo "SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}" >> config.mak
2577     echo "SLIB_CREATE_DEF_CMD=${SLIB_CREATE_DEF_CMD}" >> config.mak
2578     echo "SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}" >> config.mak
2579     echo "SLIB_INSTALL_EXTRA_CMD=${SLIB_INSTALL_EXTRA_CMD}" >> config.mak
2580     echo "SLIB_UNINSTALL_EXTRA_CMD=${SLIB_UNINSTALL_EXTRA_CMD}" >> config.mak
2581 fi
2582 echo "LIB_INSTALL_EXTRA_CMD=${LIB_INSTALL_EXTRA_CMD}" >> config.mak
2583 echo "EXTRALIBS=$extralibs" >> config.mak
2584
2585 echo "ARCH=$arch" >> config.mak
2586
2587 print_config ARCH_   $TMPH config.mak $ARCH_LIST
2588 print_config HAVE_   $TMPH config.mak $HAVE_LIST
2589 print_config CONFIG_ $TMPH config.mak $CONFIG_LIST       \
2590                                       $CONFIG_EXTRA      \
2591                                       $DECODER_LIST      \
2592                                       $ENCODER_LIST      \
2593                                       $HWACCEL_LIST      \
2594                                       $PARSER_LIST       \
2595                                       $BSF_LIST          \
2596                                       $DEMUXER_LIST      \
2597                                       $MUXER_LIST        \
2598                                       $FILTER_LIST       \
2599                                       $PROTOCOL_LIST     \
2600                                       $INDEV_LIST        \
2601                                       $OUTDEV_LIST       \
2602
2603 echo "#define restrict $_restrict" >> $TMPH
2604
2605 if enabled small; then
2606     echo "#define av_always_inline"  >> $TMPH
2607 fi
2608
2609
2610 # Apparently it's not possible to portably echo a backslash.
2611 enabled asmalign_pot &&
2612     printf '#define ASMALIGN(ZEROBITS) ".align " #ZEROBITS "\\n\\t"\n' >> $TMPH ||
2613     printf '#define ASMALIGN(ZEROBITS) ".align 1 << " #ZEROBITS "\\n\\t"\n' >> $TMPH
2614
2615 echo "#define EXTERN_PREFIX \"${extern_prefix}\"" >> $TMPH
2616
2617 echo "#endif /* FFMPEG_CONFIG_H */" >> $TMPH
2618 echo "endif # FFMPEG_CONFIG_MAK" >> config.mak
2619
2620 # Do not overwrite an unchanged config.h to avoid superfluous rebuilds.
2621 cmp -s $TMPH config.h &&
2622     echo "config.h is unchanged" ||
2623     mv -f $TMPH config.h
2624
2625 # build tree in object directory if source path is different from current one
2626 if enabled source_path_used; then
2627     DIRS="\
2628         doc               \
2629         libavcodec        \
2630         libavcodec/alpha  \
2631         libavcodec/arm    \
2632         libavcodec/bfin   \
2633         libavcodec/mlib   \
2634         libavcodec/ppc    \
2635         libavcodec/sh4    \
2636         libavcodec/sparc  \
2637         libavcodec/x86    \
2638         libavdevice       \
2639         libavfilter       \
2640         libavformat       \
2641         libavutil         \
2642         libpostproc       \
2643         libswscale        \
2644         libswscale/bfin   \
2645         libswscale/mlib   \
2646         libswscale/ppc    \
2647         libswscale/sparc  \
2648         libswscale/x86    \
2649         tests             \
2650         tools             \
2651         "
2652     FILES="\
2653         Makefile             \
2654         common.mak           \
2655         subdir.mak           \
2656         doc/texi2pod.pl      \
2657         libavcodec/Makefile  \
2658         libavdevice/Makefile \
2659         libavfilter/Makefile \
2660         libavformat/Makefile \
2661         libavutil/Makefile   \
2662         libpostproc/Makefile \
2663         libswscale/Makefile  \
2664         "
2665     for dir in $DIRS ; do
2666         mkdir -p $dir
2667     done
2668     for f in $FILES ; do
2669         $ln_s "$source_path/$f" $f
2670     done
2671 fi
2672
2673
2674 # build pkg-config files
2675
2676 pkgconfig_generate(){
2677 name=$1
2678 shortname=${name#lib}${build_suffix}
2679 comment=$2
2680 version=$3
2681 libs=$4
2682 requires=$5
2683 cat <<EOF > $name/$name.pc
2684 prefix=$prefix
2685 exec_prefix=\${prefix}
2686 libdir=$libdir
2687 includedir=$incdir
2688
2689 Name: $name
2690 Description: $comment
2691 Version: $version
2692 Requires: $(disabled shared && echo $requires)
2693 Requires.private: $(enabled shared && echo $requires)
2694 Conflicts:
2695 Libs: -L\${libdir} -l${shortname} $(disabled shared && echo $libs)
2696 Libs.private: $(enabled shared && echo $libs)
2697 Cflags: -I\${includedir}
2698 EOF
2699 cat <<EOF > $name/$name-uninstalled.pc
2700 prefix=
2701 exec_prefix=
2702 libdir=\${pcfiledir}
2703 includedir=${source_path}
2704
2705 Name: $name
2706 Description: $comment
2707 Version: $version
2708 Requires: $requires
2709 Conflicts:
2710 Libs: \${libdir}/${LIBPREF}${shortname}${LIBSUF} $libs
2711 Cflags: -I\${includedir}
2712 EOF
2713 }
2714
2715 pkgconfig_generate libavutil "FFmpeg utility library" "$LIBAVUTIL_VERSION"
2716 pkgconfig_generate libavcodec "FFmpeg codec library" "$LIBAVCODEC_VERSION" "$extralibs" "libavutil = $LIBAVUTIL_VERSION"
2717 pkgconfig_generate libavformat "FFmpeg container format library" "$LIBAVFORMAT_VERSION" "$extralibs" "libavcodec = $LIBAVCODEC_VERSION"
2718 pkgconfig_generate libavdevice "FFmpeg device handling library" "$LIBAVDEVICE_VERSION" "$extralibs" "libavformat = $LIBAVFORMAT_VERSION"
2719 enabled avfilter &&
2720     pkgconfig_generate libavfilter "FFmpeg video filtering library" "$LIBAVFILTER_VERSION" "$extralibs" "libavutil = $LIBAVUTIL_VERSION"
2721 enabled postproc &&
2722     pkgconfig_generate libpostproc "FFmpeg post processing library" "$LIBPOSTPROC_VERSION"
2723 pkgconfig_generate libswscale "FFmpeg image rescaling library" "$LIBSWSCALE_VERSION" "" "libavutil = $LIBAVUTIL_VERSION"