configure

   1 #!/bin/sh
   2 #
   3 # FFmpeg configure script
   4 #
   5 # Copyright (c) 2000-2002 Fabrice Bellard
   6 # Copyright (c) 2005-2008 Diego Biurrun
   7 # Copyright (c) 2005-2008 Mans Rullgard
   8 #
   9
  10 # Prevent locale nonsense from breaking basic text processing.
  11 LC_ALL=C
  12 export LC_ALL
  13
  14 # make sure we are running under a compatible shell
  15 # try to make this part work with most shells
  16
  17 try_exec(){
  18     echo "Trying shell $1"
  19     type "$1" > /dev/null 2>&1 && exec "$@"
  20 }
  21
  22 unset foo
  23 (: ${foo%%bar}) 2> /dev/null
  24 E1="$?"
  25
  26 (: ${foo?}) 2> /dev/null
  27 E2="$?"
  28
  29 if test "$E1" != 0 || test "$E2" = 0; then
  30     echo "Broken shell detected.  Trying alternatives."
  31     export FF_CONF_EXEC
  32     if test "0$FF_CONF_EXEC" -lt 1; then
  33         FF_CONF_EXEC=1
  34         try_exec bash "$0" "$@"
  35     fi
  36     if test "0$FF_CONF_EXEC" -lt 2; then
  37         FF_CONF_EXEC=2
  38         try_exec ksh "$0" "$@"
  39     fi
  40     if test "0$FF_CONF_EXEC" -lt 3; then
  41         FF_CONF_EXEC=3
  42         try_exec /usr/xpg4/bin/sh "$0" "$@"
  43     fi
  44     echo "No compatible shell script interpreter found."
  45     echo "This configure script requires a POSIX-compatible shell"
  46     echo "such as bash or ksh."
  47     echo "THIS IS NOT A BUG IN FFMPEG, DO NOT REPORT IT AS SUCH."
  48     echo "Instead, install a working POSIX-compatible shell."
  49     echo "Disabling this configure test will create a broken FFmpeg."
  50     if test "$BASH_VERSION" = '2.04.0(1)-release'; then
  51         echo "This bash version ($BASH_VERSION) is broken on your platform."
  52         echo "Upgrade to a later version if available."
  53     fi
  54     exit 1
  55 fi
  56
  57 show_help(){
  58 cat <<EOF
  59 Usage: configure [options]
  60 Options: [defaults in brackets after descriptions]
  61
  62 Standard options:
  63   --help                   print this message
  64   --logfile=FILE           log tests and output to FILE [config.err]
  65   --disable-logging        do not log configure debug information
  66   --prefix=PREFIX          install in PREFIX [$prefix]
  67   --bindir=DIR             install binaries in DIR [PREFIX/bin]
  68   --datadir=DIR            install data files in DIR [PREFIX/share/ffmpeg]
  69   --libdir=DIR             install libs in DIR [PREFIX/lib]
  70   --shlibdir=DIR           install shared libs in DIR [PREFIX/lib]
  71   --incdir=DIR             install includes in DIR [PREFIX/include]
  72   --mandir=DIR             install man page in DIR [PREFIX/share/man]
  73
  74 Configuration options:
  75   --disable-static         do not build static libraries [no]
  76   --enable-shared          build shared libraries [no]
  77   --enable-gpl             allow use of GPL code, the resulting libs
  78                            and binaries will be under GPL [no]
  79   --enable-version3        upgrade (L)GPL to version 3 [no]
  80   --enable-nonfree         allow use of nonfree code, the resulting libs
  81                            and binaries will be unredistributable [no]
  82   --disable-doc            do not build documentation
  83   --disable-ffmpeg         disable ffmpeg build
  84   --disable-ffplay         disable ffplay build
  85   --disable-ffserver       disable ffserver build
  86   --disable-avdevice       disable libavdevice build
  87   --disable-avcodec        disable libavcodec build
  88   --disable-avformat       disable libavformat build
  89   --disable-swscale        disable libswscale build
  90   --enable-postproc        enable GPLed postprocessing support [no]
  91   --enable-avfilter        video filter support [no]
  92   --enable-avfilter-lavf   video filters dependent on avformat [no]
  93   --enable-beosthreads     use BeOS threads [no]
  94   --enable-os2threads      use OS/2 threads [no]
  95   --enable-pthreads        use pthreads [no]
  96   --enable-w32threads      use Win32 threads [no]
  97   --enable-x11grab         enable X11 grabbing [no]
  98   --disable-network        disable network support [no]
  99   --disable-mpegaudio-hp   faster (but less accurate) MPEG audio decoding [no]
 100   --enable-gray            enable full grayscale support (slower color)
 101   --disable-swscale-alpha  disable alpha channel support in swscale
 102   --disable-fastdiv        disable table-based division
 103   --enable-small           optimize for size instead of speed
 104   --disable-aandct         disable AAN DCT code
 105   --disable-dct            disable DCT code
 106   --disable-fft            disable FFT code
 107   --disable-golomb         disable Golomb code
 108   --disable-lpc            disable LPC code
 109   --disable-mdct           disable MDCT code
 110   --disable-rdft           disable RDFT code
 111   --disable-vaapi          disable VAAPI code
 112   --disable-vdpau          disable VDPAU code
 113   --disable-dxva2          disable DXVA2 code
 114   --enable-runtime-cpudetect detect cpu capabilities at runtime (bigger binary)
 115   --enable-hardcoded-tables use hardcoded tables instead of runtime generation
 116   --enable-memalign-hack   emulate memalign, interferes with memory debuggers
 117   --enable-beos-netserver  enable BeOS netserver
 118   --disable-encoder=NAME   disable encoder NAME
 119   --enable-encoder=NAME    enable encoder NAME
 120   --disable-encoders       disable all encoders
 121   --disable-decoder=NAME   disable decoder NAME
 122   --enable-decoder=NAME    enable decoder NAME
 123   --disable-decoders       disable all decoders
 124   --disable-hwaccel=NAME   disable hwaccel NAME
 125   --enable-hwaccel=NAME    enable hwaccel NAME
 126   --disable-hwaccels       disable all hwaccels
 127   --disable-muxer=NAME     disable muxer NAME
 128   --enable-muxer=NAME      enable muxer NAME
 129   --disable-muxers         disable all muxers
 130   --disable-demuxer=NAME   disable demuxer NAME
 131   --enable-demuxer=NAME    enable demuxer NAME
 132   --disable-demuxers       disable all demuxers
 133   --enable-parser=NAME     enable parser NAME
 134   --disable-parser=NAME    disable parser NAME
 135   --disable-parsers        disable all parsers
 136   --enable-bsf=NAME        enable bitstream filter NAME
 137   --disable-bsf=NAME       disable bitstream filter NAME
 138   --disable-bsfs           disable all bitstream filters
 139   --enable-protocol=NAME   enable protocol NAME
 140   --disable-protocol=NAME  disable protocol NAME
 141   --disable-protocols      disable all protocols
 142   --disable-indev=NAME     disable input device NAME
 143   --disable-outdev=NAME    disable output device NAME
 144   --disable-indevs         disable input devices
 145   --disable-outdevs        disable output devices
 146   --disable-devices        disable all devices
 147   --enable-filter=NAME     enable filter NAME
 148   --disable-filter=NAME    disable filter NAME
 149   --disable-filters        disable all filters
 150   --list-decoders          show all available decoders
 151   --list-encoders          show all available encoders
 152   --list-hwaccels          show all available hardware accelerators
 153   --list-muxers            show all available muxers
 154   --list-demuxers          show all available demuxers
 155   --list-parsers           show all available parsers
 156   --list-protocols         show all available protocols
 157   --list-bsfs              show all available bitstream filters
 158   --list-indevs            show all available input devices
 159   --list-outdevs           show all available output devices
 160   --list-filters           show all available filters
 161
 162 External library support:
 163   --enable-avisynth        enable reading of AVISynth script files [no]
 164   --enable-bzlib           enable bzlib [autodetect]
 165   --enable-libopencore-amrnb enable AMR-NB de/encoding via libopencore-amrnb [no]
 166   --enable-libopencore-amrwb enable AMR-WB decoding via libopencore-amrwb [no]
 167   --enable-libdc1394       enable IIDC-1394 grabbing using libdc1394
 168                            and libraw1394 [no]
 169   --enable-libdirac        enable Dirac support via libdirac [no]
 170   --enable-libfaac         enable FAAC support via libfaac [no]
 171   --enable-libfaad         enable FAAD support via libfaad [no]
 172   --enable-libfaadbin      open libfaad.so.0 at runtime [no]
 173   --enable-libgsm          enable GSM support via libgsm [no]
 174   --enable-libmp3lame      enable MP3 encoding via libmp3lame [no]
 175   --enable-libnut          enable NUT (de)muxing via libnut,
 176                            native (de)muxer exists [no]
 177   --enable-libopenjpeg     enable JPEG 2000 decoding via OpenJPEG [no]
 178   --enable-libschroedinger enable Dirac support via libschroedinger [no]
 179   --enable-libspeex        enable Speex decoding via libspeex [no]
 180   --enable-libtheora       enable Theora encoding via libtheora [no]
 181   --enable-libvorbis       enable Vorbis encoding via libvorbis,
 182                            native implementation exists [no]
 183   --enable-libx264         enable H.264 encoding via x264 [no]
 184   --enable-libxvid         enable Xvid encoding via xvidcore,
 185                            native MPEG-4/Xvid encoder exists [no]
 186   --enable-mlib            enable Sun medialib [no]
 187   --enable-zlib            enable zlib [autodetect]
 188
 189 Advanced options (experts only):
 190   --source-path=PATH       path to source code [$source_path]
 191   --cross-prefix=PREFIX    use PREFIX for compilation tools [$cross_prefix]
 192   --enable-cross-compile   assume a cross-compiler is used
 193   --sysroot=PATH           root of cross-build tree
 194   --sysinclude=PATH        location of cross-build system headers
 195   --target-os=OS           compiler targets OS [$target_os]
 196   --target-exec=CMD        command to run executables on target
 197   --target-path=DIR        path to view of build directory on target
 198   --nm=NM                  use nm tool
 199   --as=AS                  use assembler AS [$as_default]
 200   --cc=CC                  use C compiler CC [$cc_default]
 201   --ld=LD                  use linker LD
 202   --host-cc=HOSTCC         use host C compiler HOSTCC
 203   --host-cflags=HCFLAGS    use HCFLAGS when compiling for host
 204   --host-ldflags=HLDFLAGS  use HLDFLAGS when linking for host
 205   --host-libs=HLIBS        use libs HLIBS when linking for host
 206   --extra-cflags=ECFLAGS   add ECFLAGS to CFLAGS [$CFLAGS]
 207   --extra-ldflags=ELDFLAGS add ELDFLAGS to LDFLAGS [$LDFLAGS]
 208   --extra-libs=ELIBS       add ELIBS [$ELIBS]
 209   --extra-version=STRING   version string suffix []
 210   --build-suffix=SUFFIX    library name suffix []
 211   --arch=ARCH              select architecture [$arch]
 212   --cpu=CPU                select the minimum required CPU (affects
 213                            instruction selection, may crash on older CPUs)
 214   --enable-powerpc-perf    enable performance report on PPC
 215                            (requires enabling PMC)
 216   --disable-asm            disable all assembler optimizations
 217   --disable-altivec        disable AltiVec optimizations
 218   --disable-amd3dnow       disable 3DNow! optimizations
 219   --disable-amd3dnowext    disable 3DNow! extended optimizations
 220   --disable-mmx            disable MMX optimizations
 221   --disable-mmx2           disable MMX2 optimizations
 222   --disable-sse            disable SSE optimizations
 223   --disable-ssse3          disable SSSE3 optimizations
 224   --disable-armv5te        disable armv5te optimizations
 225   --disable-armv6          disable armv6 optimizations
 226   --disable-armv6t2        disable armv6t2 optimizations
 227   --disable-armvfp         disable ARM VFP optimizations
 228   --disable-iwmmxt         disable iwmmxt optimizations
 229   --disable-mmi            disable MMI optimizations
 230   --disable-neon           disable neon optimizations
 231   --disable-vis            disable VIS optimizations
 232   --disable-yasm           disable use of yasm assembler
 233   --enable-pic             build position-independent code
 234   --malloc-prefix=PFX      prefix malloc and related names with PFX
 235   --enable-sram            allow use of on-chip SRAM
 236
 237 Developer options (useful when working on FFmpeg itself):
 238   --disable-debug          disable debugging symbols
 239   --enable-debug=LEVEL     set the debug level [$debuglevel]
 240   --enable-gprof           enable profiling with gprof [$gprof]
 241   --disable-optimizations  disable compiler optimizations
 242   --enable-extra-warnings  enable more compiler warnings
 243   --disable-stripping      disable stripping of executables and shared libraries
 244
 245 NOTE: Object files are built at the place where configure is launched.
 246 EOF
 247   exit 0
 248 }
 249
 250 log(){
 251     echo "$@" >> $logfile
 252 }
 253
 254 log_file(){
 255     log BEGIN $1
 256     pr -n -t $1 >> $logfile
 257     log END $1
 258 }
 259
 260 echolog(){
 261     log "$@"
 262     echo "$@"
 263 }
 264
 265 die(){
 266     echolog "$@"
 267     cat <<EOF
 268
 269 If you think configure made a mistake, make sure you are using the latest
 270 version from SVN.  If the latest version fails, report the problem to the
 271 ffmpeg-user@mplayerhq.hu mailing list or IRC #ffmpeg on irc.freenode.net.
 272 EOF
 273     if disabled logging; then
 274         cat <<EOF
 275 Rerun configure with logging enabled (do not use --disable-logging), and
 276 include the log this produces with your report.
 277 EOF
 278     else
 279 cat <<EOF
 280 Include the log file "$logfile" produced by configure as this will help
 281 solving the problem.
 282 EOF
 283     fi
 284     exit 1
 285 }
 286
 287 # Avoid locale weirdness, besides we really just want to translate ASCII.
 288 toupper(){
 289     echo "$@" | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ
 290 }
 291
 292 tolower(){
 293     echo "$@" | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz
 294 }
 295
 296 c_escape(){
 297     echo "$*" | sed 's/["\\]/\\\0/g'
 298 }
 299
 300 sh_quote(){
 301     v=$(echo "$1" | sed "s/'/'\\\\''/g")
 302     test "$v" = "${v#*[ |&;<>()$\`\\\"\'*?\[\]#~=%]}" || v="'$v'"
 303     echo "$v"
 304 }
 305
 306 filter(){
 307     pat=$1
 308     shift
 309     for v; do
 310         eval "case $v in $pat) echo $v ;; esac"
 311     done
 312 }
 313
 314 set_all(){
 315     value=$1
 316     shift
 317     for var in $*; do
 318         eval $var=$value
 319     done
 320 }
 321
 322 set_weak(){
 323     value=$1
 324     shift
 325     for var; do
 326         eval : \${$var:=$value}
 327     done
 328 }
 329
 330 pushvar(){
 331     for var in $*; do
 332         eval level=\${${var}_level:=0}
 333         eval ${var}_${level}="\$$var"
 334         eval ${var}_level=$(($level+1))
 335     done
 336 }
 337
 338 popvar(){
 339     for var in $*; do
 340         eval level=\${${var}_level:-0}
 341         test $level = 0 && continue
 342         eval level=$(($level-1))
 343         eval $var="\${${var}_${level}}"
 344         eval ${var}_level=$level
 345         eval unset ${var}_${level}
 346     done
 347 }
 348
 349 enable(){
 350     set_all yes $*
 351 }
 352
 353 disable(){
 354     set_all no $*
 355 }
 356
 357 enable_weak(){
 358     set_weak yes $*
 359 }
 360
 361 disable_weak(){
 362     set_weak no $*
 363 }
 364
 365 enable_safe(){
 366     for var; do
 367         enable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
 368     done
 369 }
 370
 371 disable_safe(){
 372     for var; do
 373         disable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
 374     done
 375 }
 376
 377 do_enable_deep(){
 378     for var; do
 379         enabled $var && continue
 380         eval sel="\$${var}_select"
 381         eval sgs="\$${var}_suggest"
 382         pushvar var sgs
 383         enable_deep $sel
 384         popvar sgs
 385         enable_deep_weak $sgs
 386         popvar var
 387     done
 388 }
 389
 390 enable_deep(){
 391     do_enable_deep $*
 392     enable $*
 393 }
 394
 395 enable_deep_weak(){
 396     do_enable_deep $*
 397     enable_weak $*
 398 }
 399
 400 enabled(){
 401     test "${1#!}" = "$1" && op== || op=!=
 402     eval test "x\$${1#!}" $op "xyes"
 403 }
 404
 405 disabled(){
 406     test "${1#!}" = "$1" && op== || op=!=
 407     eval test "x\$${1#!}" $op "xno"
 408 }
 409
 410 enabled_all(){
 411     for opt; do
 412         enabled $opt || return 1
 413     done
 414 }
 415
 416 disabled_all(){
 417     for opt; do
 418         disabled $opt || return 1
 419     done
 420 }
 421
 422 enabled_any(){
 423     for opt; do
 424         enabled $opt && return 0
 425     done
 426 }
 427
 428 disabled_any(){
 429     for opt; do
 430         disabled $opt && return 0
 431     done
 432     return 1
 433 }
 434
 435 set_default(){
 436     for opt; do
 437         eval : \${$opt:=\$${opt}_default}
 438     done
 439 }
 440
 441 is_in(){
 442     value=$1
 443     shift
 444     for var in $*; do
 445         [ $var = $value ] && return 0
 446     done
 447     return 1
 448 }
 449
 450 check_deps(){
 451     for cfg; do
 452         cfg="${cfg#!}"
 453         enabled ${cfg}_checking && die "Circular dependency for $cfg."
 454         disabled ${cfg}_checking && continue
 455         enable ${cfg}_checking
 456
 457         eval dep_all="\$${cfg}_deps"
 458         eval dep_any="\$${cfg}_deps_any"
 459         eval dep_sel="\$${cfg}_select"
 460         eval dep_sgs="\$${cfg}_suggest"
 461         eval dep_ifa="\$${cfg}_if"
 462         eval dep_ifn="\$${cfg}_if_any"
 463
 464         pushvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
 465         check_deps $dep_all $dep_any $dep_sel $dep_sgs $dep_ifa $dep_ifn
 466         popvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
 467
 468         [ -n "$dep_ifa" ] && { enabled_all $dep_ifa && enable_weak $cfg; }
 469         [ -n "$dep_ifn" ] && { enabled_any $dep_ifn && enable_weak $cfg; }
 470         enabled_all  $dep_all || disable $cfg
 471         enabled_any  $dep_any || disable $cfg
 472         disabled_any $dep_sel && disable $cfg
 473
 474         if enabled $cfg; then
 475             eval dep_extralibs="\$${cfg}_extralibs"
 476             test -n "$dep_extralibs" && add_extralibs $dep_extralibs
 477             enable_deep $dep_sel
 478             enable_deep_weak $dep_sgs
 479         fi
 480
 481         disable ${cfg}_checking
 482     done
 483 }
 484
 485 print_config(){
 486     pfx=$1
 487     header=$2
 488     makefile=$3
 489     shift 3
 490     for cfg; do
 491         ucname="$(toupper $cfg)"
 492         if enabled $cfg; then
 493             echo "#define ${pfx}${ucname} 1" >> $header
 494             echo "${pfx}${ucname}=yes" >> $makefile
 495         else
 496             echo "#define ${pfx}${ucname} 0" >> $header
 497             echo "!${pfx}${ucname}=yes" >> $makefile
 498         fi
 499     done
 500 }
 501
 502 flags_saved(){
 503     (: ${SAVE_CFLAGS?}) 2> /dev/null
 504 }
 505
 506 save_flags(){
 507     flags_saved && return
 508     SAVE_CFLAGS="$CFLAGS"
 509     SAVE_LDFLAGS="$LDFLAGS"
 510     SAVE_extralibs="$extralibs"
 511 }
 512
 513 restore_flags(){
 514     flags_saved || return
 515     CFLAGS="$SAVE_CFLAGS"
 516     LDFLAGS="$SAVE_LDFLAGS"
 517     extralibs="$SAVE_extralibs"
 518     unset SAVE_CFLAGS
 519     unset SAVE_LDFLAGS
 520     unset SAVE_extralibs
 521 }
 522
 523 temp_cflags(){
 524     save_flags
 525     CFLAGS="$CFLAGS $*"
 526 }
 527
 528 temp_ldflags(){
 529     save_flags
 530     LDFLAGS="$LDFLAGS $*"
 531 }
 532
 533 temp_extralibs(){
 534     save_flags
 535     extralibs="$extralibs $*"
 536 }
 537
 538 append(){
 539     var=$1
 540     shift
 541     flags_saved && eval "SAVE_$var=\"\$SAVE_$var $*\""
 542     eval "$var=\"\$$var $*\""
 543 }
 544
 545 add_cppflags(){
 546     append CPPFLAGS $($filter_cppflags "$@")
 547 }
 548
 549 add_cflags(){
 550     append CFLAGS $($filter_cflags "$@")
 551 }
 552
 553 add_asflags(){
 554     append ASFLAGS $($filter_asflags "$@")
 555 }
 556
 557 add_ldflags(){
 558     append LDFLAGS "$@"
 559 }
 560
 561 add_extralibs(){
 562     append extralibs "$@"
 563 }
 564
 565 check_cmd(){
 566     log "$@"
 567     "$@" >> $logfile 2>&1
 568 }
 569
 570 check_cc(){
 571     log check_cc "$@"
 572     cat > $TMPC
 573     log_file $TMPC
 574     check_cmd $cc $CPPFLAGS $CFLAGS "$@" -c -o $TMPO $TMPC
 575 }
 576
 577 check_cpp(){
 578     log check_cpp "$@"
 579     cat > $TMPC
 580     log_file $TMPC
 581     check_cmd $cc $CPPFLAGS $CFLAGS "$@" -E -o $TMPO $TMPC
 582 }
 583
 584 check_as(){
 585     log check_as "$@"
 586     cat > $TMPC
 587     log_file $TMPC
 588     check_cmd $as $CPPFLAGS $ASFLAGS "$@" -c -o $TMPO $TMPC
 589 }
 590
 591 check_asm(){
 592     log check_asm "$@"
 593     name="$1"
 594     code="$2"
 595     shift 2
 596     disable $name
 597     check_as "$@" <<EOF && enable $name
 598 void foo(void){ __asm__ volatile($code); }
 599 EOF
 600 }
 601
 602 check_yasm(){
 603     log check_yasm "$@"
 604     echo "$1" > $TMPS
 605     log_file $TMPS
 606     shift 1
 607     check_cmd $yasmexe $YASMFLAGS "$@" -o $TMPO $TMPS
 608 }
 609
 610 check_ld(){
 611     log check_ld "$@"
 612     flags=''
 613     libs=''
 614     for f; do
 615         test "${f}" = "${f#-l}" && flags="$flags $f" || libs="$libs $f"
 616     done
 617     check_cc $($filter_cflags $flags) || return
 618     check_cmd $ld $LDFLAGS $flags -o $TMPE $TMPO $extralibs $libs
 619 }
 620
 621 check_cppflags(){
 622     log check_cppflags "$@"
 623     set -- $($filter_cppflags "$@")
 624     check_cc "$@" <<EOF && append CPPFLAGS "$@"
 625 int x;
 626 EOF
 627 }
 628
 629 check_cflags(){
 630     log check_cflags "$@"
 631     set -- $($filter_cflags "$@")
 632     check_cc "$@" <<EOF && append CFLAGS "$@"
 633 int x;
 634 EOF
 635 }
 636
 637 test_ldflags(){
 638     log test_ldflags "$@"
 639     check_ld "$@" <<EOF
 640 int main(void){ return 0; }
 641 EOF
 642 }
 643
 644 check_ldflags(){
 645     log check_ldflags "$@"
 646     test_ldflags "$@" && add_ldflags "$@"
 647 }
 648
 649 check_header(){
 650     log check_header "$@"
 651     header=$1
 652     shift
 653     disable_safe $header
 654     check_cpp "$@" <<EOF && enable_safe $header
 655 #include <$header>
 656 int x;
 657 EOF
 658 }
 659
 660 check_func(){
 661     log check_func "$@"
 662     func=$1
 663     shift
 664     disable $func
 665     check_ld "$@" <<EOF && enable $func
 666 extern int $func();
 667 int main(void){ $func(); }
 668 EOF
 669 }
 670
 671 check_mathfunc(){
 672     log check_mathfunc "$@"
 673     func=$1
 674     shift
 675     disable $func
 676     check_ld "$@" <<EOF && enable $func
 677 #include <math.h>
 678 float foo(float f) { return $func(f); }
 679 int main(void){ return 0; }
 680 EOF
 681 }
 682
 683 check_func_headers(){
 684     log check_func_headers "$@"
 685     headers=$1
 686     func=$2
 687     shift 2
 688     disable $func
 689     incs=""
 690     for hdr in $headers; do
 691         incs="$incs
 692 #include <$hdr>"
 693     done
 694     check_ld "$@" <<EOF && enable $func && enable_safe $headers
 695 $incs
 696 int main(int argc, char **argv){
 697     return (long) $func;
 698 }
 699 EOF
 700 }
 701
 702 check_cpp_condition(){
 703     log check_cpp_condition "$@"
 704     header=$1
 705     condition=$2
 706     shift 2
 707     check_cpp $($filter_cppflags "$@") <<EOF
 708 #include <$header>
 709 #if !($condition)
 710 #error "unsatisfied condition: $condition"
 711 #endif
 712 EOF
 713 }
 714
 715 check_lib(){
 716     log check_lib "$@"
 717     header="$1"
 718     func="$2"
 719     shift 2
 720     temp_extralibs "$@"
 721     check_header $header && check_func $func && add_extralibs "$@"
 722     err=$?
 723     restore_flags
 724     return $err
 725 }
 726
 727 check_lib2(){
 728     log check_lib2 "$@"
 729     headers="$1"
 730     func="$2"
 731     shift 2
 732     check_func_headers "$headers" $func "$@" && add_extralibs "$@"
 733 }
 734
 735 check_exec(){
 736     check_ld "$@" && { enabled cross_compile || $TMPE >> $logfile 2>&1; }
 737 }
 738
 739 check_exec_crash(){
 740     code=$(cat)
 741
 742     # exit() is not async signal safe.  _Exit (C99) and _exit (POSIX)
 743     # are safe but may not be available everywhere.  Thus we use
 744     # raise(SIGTERM) instead.  The check is run in a subshell so we
 745     # can redirect the "Terminated" message from the shell.  SIGBUS
 746     # is not defined by standard C so it is used conditionally.
 747
 748     (check_exec "$@") >> $logfile 2>&1 <<EOF
 749 #include <signal.h>
 750 static void sighandler(int sig){
 751     raise(SIGTERM);
 752 }
 753 int main(void){
 754     signal(SIGILL, sighandler);
 755     signal(SIGFPE, sighandler);
 756     signal(SIGSEGV, sighandler);
 757 #ifdef SIGBUS
 758     signal(SIGBUS, sighandler);
 759 #endif
 760     { $code }
 761 }
 762 EOF
 763 }
 764
 765 check_type(){
 766     log check_type "$@"
 767     headers=$1
 768     type=$2
 769     shift 2
 770     disable_safe "$type"
 771     incs=""
 772     for hdr in $headers; do
 773         incs="$incs
 774 #include <$hdr>"
 775     done
 776     check_cc "$@" <<EOF && enable_safe "$type"
 777 $incs
 778 $type v;
 779 EOF
 780 }
 781
 782 check_struct(){
 783     log check_type "$@"
 784     headers=$1
 785     struct=$2
 786     member=$3
 787     shift 3
 788     disable_safe "${struct}_${member}"
 789     incs=""
 790     for hdr in $headers; do
 791         incs="$incs
 792 #include <$hdr>"
 793     done
 794     check_cc "$@" <<EOF && enable_safe "${struct}_${member}"
 795 $incs
 796 const void *p = &(($struct *)0)->$member;
 797 EOF
 798 }
 799
 800 require(){
 801     name="$1"
 802     header="$2"
 803     func="$3"
 804     shift 3
 805     check_lib $header $func "$@" || die "ERROR: $name not found"
 806 }
 807
 808 require2(){
 809     name="$1"
 810     headers="$2"
 811     func="$3"
 812     shift 3
 813     check_lib2 "$headers" $func "$@" || die "ERROR: $name not found"
 814 }
 815
 816 check_foo_config(){
 817     cfg=$1
 818     pkg=$2
 819     header=$3
 820     func=$4
 821     shift 4
 822     disable $cfg
 823     check_cmd ${pkg}-config --version
 824     err=$?
 825     if test "$err" = 0; then
 826         temp_cflags $(${pkg}-config --cflags)
 827         temp_extralibs $(${pkg}-config --libs)
 828         check_lib "$@" $header $func && enable $cfg
 829     fi
 830     return $err
 831 }
 832
 833 check_host_cc(){
 834     log check_host_cc "$@"
 835     cat > $TMPC
 836     log_file $TMPC
 837     check_cmd $host_cc $host_cflags "$@" -c -o $TMPO $TMPC
 838 }
 839
 840 check_host_cflags(){
 841     log check_host_cflags "$@"
 842     check_host_cc "$@" <<EOF && append host_cflags "$@"
 843 int x;
 844 EOF
 845 }
 846
 847 apply(){
 848     file=$1
 849     shift
 850     "$@" < "$file" > "$file.tmp" && mv "$file.tmp" "$file" || rm "$file.tmp"
 851 }
 852
 853 cp_if_changed(){
 854     cmp -s "$1" "$2" &&
 855         echo "$2 is unchanged" ||
 856         cp -f "$1" "$2"
 857 }
 858
 859 # CONFIG_LIST contains configurable options, while HAVE_LIST is for
 860 # system-dependent things.
 861
 862 COMPONENT_LIST="
 863     bsfs
 864     decoders
 865     demuxers
 866     encoders
 867     filters
 868     hwaccels
 869     indevs
 870     muxers
 871     outdevs
 872     parsers
 873     protocols
 874 "
 875
 876 CONFIG_LIST="
 877     $COMPONENT_LIST
 878     aandct
 879     avcodec
 880     avdevice
 881     avfilter
 882     avfilter_lavf
 883     avformat
 884     avisynth
 885     beos_netserver
 886     bzlib
 887     dct
 888     doc
 889     dxva2
 890     fastdiv
 891     ffmpeg
 892     ffplay
 893     ffserver
 894     fft
 895     golomb
 896     gpl
 897     gprof
 898     gray
 899     hardcoded_tables
 900     libdc1394
 901     libdirac
 902     libfaac
 903     libfaad
 904     libfaadbin
 905     libgsm
 906     libmp3lame
 907     libnut
 908     libopencore_amrnb
 909     libopencore_amrwb
 910     libopenjpeg
 911     libschroedinger
 912     libspeex
 913     libtheora
 914     libvorbis
 915     libx264
 916     libxvid
 917     lpc
 918     mdct
 919     memalign_hack
 920     mlib
 921     mpegaudio_hp
 922     network
 923     nonfree
 924     pic
 925     postproc
 926     powerpc_perf
 927     rdft
 928     runtime_cpudetect
 929     shared
 930     small
 931     sram
 932     static
 933     swscale
 934     swscale_alpha
 935     vaapi
 936     vdpau
 937     version3
 938     x11grab
 939     zlib
 940 "
 941
 942 THREADS_LIST='
 943     beosthreads
 944     os2threads
 945     pthreads
 946     w32threads
 947 '
 948
 949 ARCH_LIST='
 950     alpha
 951     arm
 952     avr32
 953     avr32_ap
 954     avr32_uc
 955     bfin
 956     ia64
 957     m68k
 958     mips
 959     mips64
 960     parisc
 961     ppc
 962     ppc64
 963     s390
 964     sh4
 965     sparc
 966     sparc64
 967     tomi
 968     x86
 969     x86_32
 970     x86_64
 971 '
 972
 973 ARCH_EXT_LIST='
 974     altivec
 975     amd3dnow
 976     amd3dnowext
 977     armv5te
 978     armv6
 979     armv6t2
 980     armvfp
 981     iwmmxt
 982     mmi
 983     mmx
 984     mmx2
 985     neon
 986     ppc4xx
 987     sse
 988     ssse3
 989     vis
 990 '
 991
 992 HAVE_LIST_PUB='
 993     bigendian
 994 '
 995
 996 HAVE_LIST="
 997     $ARCH_EXT_LIST
 998     $HAVE_LIST_PUB
 999     $THREADS_LIST
1000     alsa_asoundlib_h
1001     altivec_h
1002     arpa_inet_h
1003     attribute_may_alias
1004     attribute_packed
1005     bswap
1006     closesocket
1007     cmov
1008     conio_h
1009     dcbzl
1010     dev_bktr_ioctl_bt848_h
1011     dev_bktr_ioctl_meteor_h
1012     dev_ic_bt8xx_h
1013     dev_video_meteor_ioctl_meteor_h
1014     dev_video_bktr_ioctl_bt848_h
1015     dlfcn_h
1016     dlopen
1017     dos_paths
1018     ebp_available
1019     ebx_available
1020     exp2
1021     exp2f
1022     fast_64bit
1023     fast_clz
1024     fast_cmov
1025     fast_unaligned
1026     fork
1027     getaddrinfo
1028     gethrtime
1029     GetProcessTimes
1030     getrusage
1031     inet_aton
1032     inline_asm
1033     isatty
1034     ldbrx
1035     libdc1394_1
1036     libdc1394_2
1037     llrint
1038     log2
1039     log2f
1040     loongson
1041     lrint
1042     lrintf
1043     lzo1x_999_compress
1044     machine_ioctl_bt848_h
1045     machine_ioctl_meteor_h
1046     malloc_h
1047     memalign
1048     mkstemp
1049     pld
1050     posix_memalign
1051     round
1052     roundf
1053     sdl
1054     sdl_video_size
1055     setmode
1056     socklen_t
1057     soundcard_h
1058     poll_h
1059     setrlimit
1060     struct_addrinfo
1061     struct_ipv6_mreq
1062     struct_sockaddr_in6
1063     struct_sockaddr_sa_len
1064     struct_sockaddr_storage
1065     sys_mman_h
1066     sys_resource_h
1067     sys_select_h
1068     sys_soundcard_h
1069     sys_videoio_h
1070     ten_operands
1071     termios_h
1072     threads
1073     truncf
1074     vfp_args
1075     VirtualAlloc
1076     winsock2_h
1077     xform_asm
1078     yasm
1079 "
1080
1081 # options emitted with CONFIG_ prefix but not available on command line
1082 CONFIG_EXTRA="
1083     avutil
1084     gplv3
1085     lgplv3
1086 "
1087
1088 CMDLINE_SELECT="
1089     $ARCH_EXT_LIST
1090     $CONFIG_LIST
1091     $THREADS_LIST
1092     asm
1093     cross_compile
1094     debug
1095     extra_warnings
1096     logging
1097     optimizations
1098     stripping
1099     yasm
1100 "
1101
1102 PATHS_LIST='
1103     bindir
1104     datadir
1105     incdir
1106     libdir
1107     mandir
1108     prefix
1109     shlibdir
1110 '
1111
1112 CMDLINE_SET="
1113     $PATHS_LIST
1114     arch
1115     as
1116     build_suffix
1117     cc
1118     cpu
1119     cross_prefix
1120     dep_cc
1121     extra_version
1122     host_cc
1123     host_cflags
1124     host_ldflags
1125     host_libs
1126     host_os
1127     ld
1128     logfile
1129     malloc_prefix
1130     nm
1131     source_path
1132     sysinclude
1133     sysroot
1134     target_exec
1135     target_os
1136     target_path
1137 "
1138
1139 CMDLINE_APPEND="
1140     extra_cflags
1141 "
1142
1143 # code dependency declarations
1144
1145 # architecture extensions
1146
1147 armv5te_deps="arm"
1148 armv6_deps="arm"
1149 armv6t2_deps="arm"
1150 armvfp_deps="arm"
1151 iwmmxt_deps="arm"
1152 neon_deps="arm"
1153
1154 mmi_deps="mips"
1155
1156 altivec_deps="ppc"
1157 ppc4xx_deps="ppc"
1158
1159 vis_deps="sparc"
1160
1161 x86_64_suggest="cmov fast_cmov"
1162 amd3dnow_deps="mmx"
1163 amd3dnowext_deps="amd3dnow"
1164 mmx_deps="x86"
1165 mmx2_deps="mmx"
1166 sse_deps="mmx"
1167 ssse3_deps="sse"
1168
1169 fast_64bit_if_any="alpha ia64 mips64 parisc64 ppc64 sparc64 x86_64"
1170 fast_clz_if_any="alpha armv5te avr32 mips ppc x86"
1171 fast_unaligned_if_any="armv6 ppc x86"
1172
1173 need_memalign="altivec neon sse"
1174 inline_asm_deps="!tms470"
1175
1176 # subsystems
1177 mdct_select="fft"
1178 rdft_select="fft"
1179
1180 # decoders / encoders / hardware accelerators
1181 aac_decoder_select="mdct aac_parser"
1182 aac_encoder_select="mdct"
1183 ac3_decoder_select="mdct ac3_parser"
1184 alac_encoder_select="lpc"
1185 atrac1_decoder_select="mdct"
1186 atrac3_decoder_select="mdct"
1187 binkaudio_dct_decoder_select="mdct rdft dct"
1188 binkaudio_rdft_decoder_select="mdct rdft"
1189 cavs_decoder_select="golomb"
1190 cook_decoder_select="mdct"
1191 cscd_decoder_suggest="zlib"
1192 dca_decoder_select="mdct"
1193 dnxhd_encoder_select="aandct"
1194 dxa_decoder_select="zlib"
1195 eac3_decoder_select="ac3_decoder"
1196 eamad_decoder_select="aandct"
1197 eatgq_decoder_select="aandct"
1198 eatqi_decoder_select="aandct"
1199 ffv1_decoder_select="golomb"
1200 flac_decoder_select="golomb"
1201 flac_encoder_select="golomb lpc"
1202 flashsv_decoder_select="zlib"
1203 flashsv_encoder_select="zlib"
1204 flv_decoder_select="h263_decoder"
1205 flv_encoder_select="h263_encoder"
1206 h261_encoder_select="aandct"
1207 h263_decoder_select="h263_parser"
1208 h263_encoder_select="aandct"
1209 h263_vaapi_hwaccel_deps="va_va_h"
1210 h263_vaapi_hwaccel_select="vaapi h263_decoder"
1211 h263i_decoder_select="h263_decoder"
1212 h263p_encoder_select="h263_encoder"
1213 h264_decoder_select="golomb"
1214 h264_dxva2_hwaccel_deps="dxva2api_h"
1215 h264_dxva2_hwaccel_select="dxva2 h264_decoder"
1216 h264_vaapi_hwaccel_deps="va_va_h"
1217 h264_vaapi_hwaccel_select="vaapi"
1218 h264_vdpau_decoder_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1219 h264_vdpau_decoder_select="vdpau h264_decoder"
1220 imc_decoder_select="fft mdct"
1221 jpegls_decoder_select="golomb"
1222 jpegls_encoder_select="golomb"
1223 ljpeg_encoder_select="aandct"
1224 loco_decoder_select="golomb"
1225 mjpeg_encoder_select="aandct"
1226 mlp_decoder_select="mlp_parser"
1227 mpeg1video_encoder_select="aandct"
1228 mpeg2video_encoder_select="aandct"
1229 mpeg4_decoder_select="h263_decoder mpeg4video_parser"
1230 mpeg4_encoder_select="h263_encoder"
1231 mpeg_vdpau_decoder_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1232 mpeg_vdpau_decoder_select="vdpau mpegvideo_decoder"
1233 mpeg1_vdpau_decoder_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1234 mpeg1_vdpau_decoder_select="vdpau mpeg1video_decoder"
1235 mpeg2_vaapi_hwaccel_deps="va_va_h"
1236 mpeg2_vaapi_hwaccel_select="vaapi mpeg2video_decoder"
1237 mpeg4_vaapi_hwaccel_deps="va_va_h"
1238 mpeg4_vaapi_hwaccel_select="vaapi mpeg4_decoder"
1239 mpeg4_vdpau_decoder_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1240 mpeg4_vdpau_decoder_select="vdpau mpeg4_decoder"
1241 mpeg_xvmc_decoder_deps="X11_extensions_XvMClib_h"
1242 mpeg_xvmc_decoder_select="mpegvideo_decoder"
1243 msmpeg4v1_decoder_select="h263_decoder"
1244 msmpeg4v1_encoder_select="h263_encoder"
1245 msmpeg4v2_decoder_select="h263_decoder"
1246 msmpeg4v2_encoder_select="h263_encoder"
1247 msmpeg4v3_decoder_select="h263_decoder"
1248 msmpeg4v3_encoder_select="h263_encoder"
1249 nellymoser_decoder_select="mdct"
1250 nellymoser_encoder_select="mdct"
1251 png_decoder_select="zlib"
1252 png_encoder_select="zlib"
1253 qdm2_decoder_select="mdct rdft"
1254 rv10_decoder_select="h263_decoder"
1255 rv10_encoder_select="h263_encoder"
1256 rv20_decoder_select="h263_decoder"
1257 rv20_encoder_select="h263_encoder"
1258 rv30_decoder_select="golomb"
1259 rv40_decoder_select="golomb"
1260 shorten_decoder_select="golomb"
1261 sonic_decoder_select="golomb"
1262 sonic_encoder_select="golomb"
1263 sonic_ls_encoder_select="golomb"
1264 svq3_decoder_select="golomb"
1265 svq3_decoder_suggest="zlib"
1266 theora_decoder_select="vp3_decoder"
1267 tiff_decoder_suggest="zlib"
1268 tiff_encoder_suggest="zlib"
1269 truehd_decoder_select="mlp_decoder"
1270 tscc_decoder_select="zlib"
1271 twinvq_decoder_select="mdct"
1272 vc1_decoder_select="h263_decoder"
1273 vc1_dxva2_hwaccel_deps="dxva2api_h DXVA_PictureParameters_wDecodedPictureIndex"
1274 vc1_dxva2_hwaccel_select="dxva2 vc1_decoder"
1275 vc1_vaapi_hwaccel_deps="va_va_h"
1276 vc1_vaapi_hwaccel_select="vaapi vc1_decoder"
1277 vc1_vdpau_decoder_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1278 vc1_vdpau_decoder_select="vdpau vc1_decoder"
1279 vorbis_decoder_select="mdct"
1280 vorbis_encoder_select="mdct"
1281 vp6a_decoder_select="vp6_decoder"
1282 vp6f_decoder_select="vp6_decoder"
1283 wmapro_decoder_select="mdct"
1284 wmav1_decoder_select="mdct"
1285 wmav1_encoder_select="mdct"
1286 wmav2_decoder_select="mdct"
1287 wmav2_encoder_select="mdct"
1288 wmv1_decoder_select="h263_decoder"
1289 wmv1_encoder_select="h263_encoder"
1290 wmv2_decoder_select="h263_decoder"
1291 wmv2_encoder_select="h263_encoder"
1292 wmv3_decoder_select="vc1_decoder"
1293 wmv3_dxva2_hwaccel_select="vc1_dxva2_hwaccel"
1294 wmv3_vaapi_hwaccel_select="vc1_vaapi_hwaccel"
1295 wmv3_vdpau_decoder_select="vc1_vdpau_decoder"
1296 zlib_decoder_select="zlib"
1297 zlib_encoder_select="zlib"
1298 zmbv_decoder_select="zlib"
1299 zmbv_encoder_select="zlib"
1300
1301 # parsers
1302 h264_parser_select="golomb"
1303
1304 # bitstream_filters
1305 aac_adtstoasc_bsf_select="aac_parser"
1306
1307 # external libraries
1308 libdirac_decoder_deps="libdirac !libschroedinger"
1309 libdirac_encoder_deps="libdirac"
1310 libfaac_encoder_deps="libfaac"
1311 libfaad_decoder_deps="libfaad"
1312 libfaadbin_decoder_extralibs='$ldl'
1313 libgsm_decoder_deps="libgsm"
1314 libgsm_encoder_deps="libgsm"
1315 libgsm_ms_decoder_deps="libgsm"
1316 libgsm_ms_encoder_deps="libgsm"
1317 libmp3lame_encoder_deps="libmp3lame"
1318 libopencore_amrnb_decoder_deps="libopencore_amrnb"
1319 libopencore_amrnb_encoder_deps="libopencore_amrnb"
1320 libopencore_amrwb_decoder_deps="libopencore_amrwb"
1321 libopenjpeg_decoder_deps="libopenjpeg"
1322 libschroedinger_decoder_deps="libschroedinger"
1323 libschroedinger_encoder_deps="libschroedinger"
1324 libspeex_decoder_deps="libspeex"
1325 libtheora_encoder_deps="libtheora"
1326 libvorbis_encoder_deps="libvorbis"
1327 libx264_encoder_deps="libx264"
1328 libxvid_encoder_deps="libxvid"
1329
1330 # demuxers / muxers
1331 ac3_demuxer_deps="ac3_parser"
1332 asf_stream_muxer_select="asf_muxer"
1333 avisynth_demuxer_deps="avisynth"
1334 dirac_demuxer_deps="dirac_parser"
1335 eac3_demuxer_select="ac3_parser"
1336 ipod_muxer_select="mov_muxer"
1337 libnut_demuxer_deps="libnut"
1338 libnut_muxer_deps="libnut"
1339 matroska_audio_muxer_select="matroska_muxer"
1340 matroska_demuxer_suggest="zlib bzlib"
1341 mov_demuxer_suggest="zlib"
1342 mp3_demuxer_deps="mpegaudio_parser"
1343 mp4_muxer_select="mov_muxer"
1344 mpegtsraw_demuxer_select="mpegts_demuxer"
1345 mxf_d10_muxer_select="mxf_muxer"
1346 ogg_demuxer_select="golomb"
1347 psp_muxer_select="mov_muxer"
1348 rtsp_demuxer_deps="sdp_demuxer"
1349 sdp_demuxer_deps="rtp_protocol mpegts_demuxer"
1350 spdif_muxer_select="aac_parser"
1351 tg2_muxer_select="mov_muxer"
1352 tgp_muxer_select="mov_muxer"
1353 w64_demuxer_deps="wav_demuxer"
1354
1355 # indevs / outdevs
1356 alsa_indev_deps="alsa_asoundlib_h snd_pcm_htimestamp"
1357 alsa_indev_extralibs="-lasound"
1358 alsa_outdev_deps="alsa_asoundlib_h"
1359 alsa_outdev_extralibs="-lasound"
1360 audio_beos_indev_deps="audio_beos"
1361 audio_beos_indev_extralibs="-lmedia -lbe"
1362 audio_beos_outdev_deps="audio_beos"
1363 audio_beos_outdev_extralibs="-lmedia -lbe"
1364 bktr_indev_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
1365 dv1394_indev_deps="dv1394 dv_demuxer"
1366 jack_indev_deps="jack_jack_h"
1367 jack_indev_extralibs="-ljack"
1368 libdc1394_indev_deps="libdc1394"
1369 oss_indev_deps_any="soundcard_h sys_soundcard_h"
1370 oss_outdev_deps_any="soundcard_h sys_soundcard_h"
1371 v4l_indev_deps="linux_videodev_h"
1372 v4l2_indev_deps_any="linux_videodev2_h sys_videoio_h"
1373 vfwcap_indev_deps="capCreateCaptureWindow"
1374 vfwcap_indev_extralibs="-lavicap32"
1375 x11_grab_device_indev_deps="x11grab XShmCreateImage"
1376 x11_grab_device_indev_extralibs="-lX11 -lXext -lXfixes"
1377
1378 # protocols
1379 gopher_protocol_deps="network"
1380 http_protocol_deps="network"
1381 rtmp_protocol_deps="tcp_protocol"
1382 rtp_protocol_deps="udp_protocol"
1383 tcp_protocol_deps="network"
1384 udp_protocol_deps="network"
1385
1386 # filters
1387 movie_filter_deps="avfilter_lavf"
1388 avfilter_lavf_deps="avformat"
1389
1390 # libraries
1391 avdevice_deps="avcodec avformat"
1392 avformat_deps="avcodec"
1393
1394 # programs
1395 ffmpeg_deps="avcodec avformat swscale"
1396 ffplay_deps="avcodec avformat swscale sdl"
1397 ffplay_select="rdft"
1398 ffserver_deps="avformat ffm_muxer rtp_protocol rtsp_demuxer"
1399 ffserver_extralibs='$ldl'
1400
1401 doc_deps="texi2html"
1402
1403 # default parameters
1404
1405 logfile="config.err"
1406
1407 # installation paths
1408 prefix_default="/usr/local"
1409 bindir_default='${prefix}/bin'
1410 datadir_default='${prefix}/share/ffmpeg'
1411 incdir_default='${prefix}/include'
1412 libdir_default='${prefix}/lib'
1413 mandir_default='${prefix}/share/man'
1414 shlibdir_default="$libdir_default"
1415
1416 # toolchain
1417 ar="ar"
1418 cc_default="gcc"
1419 cc_version=\"unknown\"
1420 host_cc_default="gcc"
1421 ln_s="ln -sf"
1422 nm_default="nm"
1423 objformat="elf"
1424 ranlib="ranlib"
1425 strip="strip"
1426 yasmexe="yasm"
1427
1428 nm_opts='-g'
1429
1430 # machine
1431 arch_default=$(uname -m)
1432 cpu="generic"
1433
1434 # OS
1435 target_os_default=$(tolower $(uname -s))
1436 host_os=$target_os_default
1437
1438 # configurable options
1439 enable avcodec
1440 enable avdevice
1441 enable avformat
1442 enable avutil
1443 enable asm
1444 enable debug
1445 enable doc
1446 enable fastdiv
1447 enable ffmpeg
1448 enable ffplay
1449 enable ffserver
1450 enable mpegaudio_hp
1451 enable network
1452 enable optimizations
1453 enable protocols
1454 enable static
1455 enable stripping
1456 enable swscale
1457 enable swscale_alpha
1458
1459 # build settings
1460 SHFLAGS='-shared -Wl,-soname,$$(@F)'
1461 FFSERVERLDFLAGS=-Wl,-E
1462 LIBPREF="lib"
1463 LIBSUF=".a"
1464 FULLNAME='$(NAME)$(BUILDSUF)'
1465 LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
1466 SLIBPREF="lib"
1467 SLIBSUF=".so"
1468 SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
1469 SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
1470 SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
1471 LIB_INSTALL_EXTRA_CMD='$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
1472
1473 CC_O='-o $@'
1474
1475 host_cflags='-D_ISOC99_SOURCE -D_POSIX_C_SOURCE=200112 -O3 -g -Wall'
1476 host_libs='-lm'
1477
1478 target_path='$(CURDIR)'
1479
1480 # gcc stupidly only outputs the basename of targets with -MM, but we need the
1481 # full relative path for objects in subdirectories for non-recursive Make.
1482 DEPEND_CMD='$(DEPCC) $(DEPFLAGS) $< | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(*F)\\.o,$(@D)/$(*F).o," > $(@:.o=.d)'
1483 DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -MM'
1484
1485 # find source path
1486 source_path="$(dirname "$0")"
1487 enable source_path_used
1488 if test -f configure; then
1489     source_path="$(pwd)"
1490     disable source_path_used
1491 else
1492     source_path="$(cd "$source_path"; pwd)"
1493     echo "$source_path" | grep -q '[[:blank:]]' &&
1494         die "Out of tree builds are impossible with whitespace in source path."
1495     test -e "$source_path/config.h" &&
1496         die "Out of tree builds are impossible with config.h in source dir."
1497 fi
1498
1499 for v in "$@"; do
1500     r=${v#*=}
1501     l=${v%"$r"}
1502     r=$(sh_quote "$r")
1503     FFMPEG_CONFIGURATION="${FFMPEG_CONFIGURATION# } ${l}${r}"
1504 done
1505
1506 find_things(){
1507     thing=$1
1508     pattern=$2
1509     file=$source_path/$3
1510     sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
1511 }
1512
1513 ENCODER_LIST=$(find_things  encoder  ENC      libavcodec/allcodecs.c)
1514 DECODER_LIST=$(find_things  decoder  DEC      libavcodec/allcodecs.c)
1515 HWACCEL_LIST=$(find_things  hwaccel  HWACCEL  libavcodec/allcodecs.c)
1516 PARSER_LIST=$(find_things   parser   PARSER   libavcodec/allcodecs.c)
1517 BSF_LIST=$(find_things      bsf      BSF      libavcodec/allcodecs.c)
1518 MUXER_LIST=$(find_things    muxer    _MUX     libavformat/allformats.c)
1519 DEMUXER_LIST=$(find_things  demuxer  DEMUX    libavformat/allformats.c)
1520 OUTDEV_LIST=$(find_things   outdev   OUTDEV   libavdevice/alldevices.c)
1521 INDEV_LIST=$(find_things    indev    _IN      libavdevice/alldevices.c)
1522 PROTOCOL_LIST=$(find_things protocol PROTOCOL libavformat/allformats.c)
1523 FILTER_LIST=$(find_things   filter   FILTER   libavfilter/allfilters.c)
1524
1525 enable $ARCH_EXT_LIST \
1526        $DECODER_LIST \
1527        $ENCODER_LIST \
1528        $HWACCEL_LIST \
1529        $PARSER_LIST \
1530        $BSF_LIST \
1531        $DEMUXER_LIST \
1532        $MUXER_LIST \
1533        $FILTER_LIST \
1534        $PROTOCOL_LIST \
1535        $INDEV_LIST \
1536        $OUTDEV_LIST \
1537
1538 die_unknown(){
1539     echo "Unknown option \"$1\"."
1540     echo "See $0 --help for available options."
1541     exit 1
1542 }
1543
1544 show_list() {
1545     suffix=_$1
1546     shift
1547     echo $* | sed s/$suffix//g | tr ' ' '\n' | sort | pr -3 -t
1548     exit 0
1549 }
1550
1551 for opt do
1552     optval="${opt#*=}"
1553     case "$opt" in
1554     --extra-ldflags=*) add_ldflags $optval
1555     ;;
1556     --extra-libs=*) add_extralibs $optval
1557     ;;
1558     --disable-devices) disable $INDEV_LIST $OUTDEV_LIST
1559     ;;
1560     --enable-debug=*) debuglevel="$optval"
1561     ;;
1562     --enable-*=*|--disable-*=*)
1563     eval $(echo "${opt%%=*}" | sed 's/--/action=/;s/-/ thing=/')
1564     is_in "${thing}s" $COMPONENT_LIST || die_unknown "$opt"
1565     eval list=\$$(toupper $thing)_LIST
1566     name=$(echo "${optval}" | sed "s/,/_${thing}|/g")_${thing}
1567     $action $(filter "$name" $list)
1568     ;;
1569     --enable-?*|--disable-?*)
1570     eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')
1571     if is_in $option $COMPONENT_LIST; then
1572         test $action = disable && action=unset
1573         eval $action \$$(toupper ${option%s})_LIST
1574     elif is_in $option $CMDLINE_SELECT; then
1575         $action $option
1576     else
1577         die_unknown $opt
1578     fi
1579     ;;
1580     --list-*)
1581         NAME="${opt#--list-}"
1582         is_in $NAME $COMPONENT_LIST || die_unknown $opt
1583         NAME=${NAME%s}
1584         eval show_list $NAME \$$(toupper $NAME)_LIST
1585     ;;
1586     --help|-h) show_help
1587     ;;
1588     *)
1589     optname="${opt%%=*}"
1590     optname="${optname#--}"
1591     optname=$(echo "$optname" | sed 's/-/_/g')
1592     if is_in $optname $CMDLINE_SET; then
1593         eval $optname='$optval'
1594     elif is_in $optname $CMDLINE_APPEND; then
1595         append $optname "$optval"
1596     else
1597          die_unknown $opt
1598     fi
1599     ;;
1600     esac
1601 done
1602
1603 disabled logging && logfile=/dev/null
1604
1605 echo "# $0 $FFMPEG_CONFIGURATION" > $logfile
1606 set >> $logfile
1607
1608 test -n "$cross_prefix" && enable cross_compile
1609
1610 if enabled cross_compile; then
1611     test -n "$arch" && test -n "$target_os" ||
1612         die "Must specify target arch and OS when cross-compiling"
1613 fi
1614
1615 set_default arch target_os
1616
1617 ar="${cross_prefix}${ar}"
1618 cc_default="${cross_prefix}${cc_default}"
1619 nm_default="${cross_prefix}${nm_default}"
1620 ranlib="${cross_prefix}${ranlib}"
1621 strip="${cross_prefix}${strip}"
1622
1623 sysinclude_default="${sysroot}/usr/include"
1624
1625 set_default cc nm sysinclude
1626 enabled cross_compile || host_cc_default=$cc
1627 set_default host_cc
1628
1629 exesuf() {
1630     case $1 in
1631         mingw32*|cygwin*|*-dos|freedos|opendos|os/2*) echo .exe ;;
1632     esac
1633 }
1634
1635 EXESUF=$(exesuf $target_os)
1636 HOSTEXESUF=$(exesuf $host_os)
1637
1638 # set temporary file name
1639 : ${TMPDIR:=$TEMPDIR}
1640 : ${TMPDIR:=$TMP}
1641 : ${TMPDIR:=/tmp}
1642
1643 if ! check_cmd type mktemp; then
1644     # simple replacement for missing mktemp
1645     # NOT SAFE FOR GENERAL USE
1646     mktemp(){
1647         echo "${2%XXX*}.${HOSTNAME}.${UID}.$$"
1648     }
1649 fi
1650
1651 tmpfile(){
1652     tmp=$(mktemp -u "${TMPDIR}/ffconf.XXXXXXXX")$2 &&
1653         (set -C; exec > $tmp) 2>/dev/null ||
1654         die "Unable to create temporary file in $TMPDIR."
1655     append TMPFILES $tmp
1656     eval $1=$tmp
1657 }
1658
1659 trap 'rm -f -- $TMPFILES' EXIT
1660 trap exit HUP INT TERM
1661
1662 tmpfile TMPC  .c
1663 tmpfile TMPE  $EXESUF
1664 tmpfile TMPH  .h
1665 tmpfile TMPO  .o
1666 tmpfile TMPS  .S
1667 tmpfile TMPV  .ver
1668 tmpfile TMPSH .sh
1669
1670 unset -f mktemp
1671
1672 # make sure we can execute files in $TMPDIR
1673 cat > $TMPSH 2>> $logfile <<EOF
1674 #! /bin/sh
1675 EOF
1676 chmod +x $TMPSH >> $logfile 2>&1
1677 if ! $TMPSH >> $logfile 2>&1; then
1678     cat <<EOF
1679 Unable to create and execute files in $TMPDIR.  Set the TMPDIR environment
1680 variable to another directory and make sure that it is not mounted noexec.
1681 EOF
1682     die "Sanity test failed."
1683 fi
1684
1685 filter_cflags=echo
1686 filter_cppflags=echo
1687 filter_asflags=echo
1688
1689 if   $cc -v 2>&1 | grep -qi ^gcc; then
1690     cc_type=gcc
1691     cc_version=__VERSION__
1692     if ! $cc -dumpversion | grep -q '^2\.'; then
1693         CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1694         AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1695     fi
1696     speed_cflags='-O3'
1697     size_cflags='-Os'
1698 elif $cc --version 2>/dev/null | grep -q Intel; then
1699     cc_type=icc
1700     cc_version="AV_STRINGIFY(__INTEL_COMPILER)"
1701     CC_DEPFLAGS='-MMD'
1702     AS_DEPFLAGS='-MMD'
1703     speed_cflags='-O3'
1704     size_cflags='-Os'
1705 elif $cc -v 2>&1 | grep -q xlc; then
1706     cc_type=xlc
1707     cc_version="AV_STRINGIFY(__IBMC__)"
1708     speed_cflags='-O5'
1709     size_cflags='-O5 -qcompact'
1710 elif $cc -V 2>/dev/null | grep -q Compaq; then
1711     cc_type=ccc
1712     cc_version="AV_STRINGIFY(__DECC_VER)"
1713     DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -M'
1714     debuglevel=3
1715     add_ldflags -Wl,-z,now # calls to libots crash without this
1716     speed_cflags='-fast'
1717     size_cflags='-O1'
1718 elif $cc --vsn 2>/dev/null | grep -q "ARM C/C++ Compiler"; then
1719     test -d "$sysroot" || die "No valid sysroot specified."
1720     cc_type=armcc
1721     cc_version="AV_STRINGIFY(__ARMCC_VERSION)"
1722     armcc_conf="$PWD/armcc.conf"
1723     $cc --arm_linux_configure                 \
1724         --arm_linux_config_file="$armcc_conf" \
1725         --configure_sysroot="$sysroot"        \
1726         --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||
1727         die "Error creating armcc configuration file."
1728     cc="$cc --arm_linux_config_file=$armcc_conf --translate_gcc"
1729     as_default="${cross_prefix}gcc"
1730     CC_DEPFLAGS='-MMD'
1731     AS_DEPFLAGS='-MMD'
1732     speed_cflags='-O3'
1733     size_cflags='-Os'
1734 elif $cc -version 2>/dev/null | grep -q TMS470; then
1735     cc_type=tms470
1736     cc_version="AV_STRINGIFY(__TI_COMPILER_VERSION__)"
1737     cc="$cc --gcc --abi=eabi -eo=.o -mc -me"
1738     CC_O='-fr=$(@D)'
1739     as_default="${cross_prefix}gcc"
1740     ld_default="${cross_prefix}gcc"
1741     TMPO=$(basename $TMPC .c).o
1742     append TMPFILES $TMPO
1743     add_cflags -D__gnuc_va_list=va_list -D__USER_LABEL_PREFIX__=
1744     CC_DEPFLAGS='-ppa -ppd=$(@:.o=.d)'
1745     AS_DEPFLAGS='-MMD'
1746     speed_cflags='-O3 -mf=5'
1747     size_cflags='-O3 -mf=2'
1748     filter_cflags=tms470_flags
1749     tms470_flags(){
1750         for flag; do
1751             case $flag in
1752                 -march=*|-mcpu=*)
1753                     case "${flag#*=}" in
1754                         armv7-a|cortex-a*)      echo -mv=7a8 ;;
1755                         armv7-r|cortex-r*)      echo -mv=7r4 ;;
1756                         armv7-m|cortex-m*)      echo -mv=7m3 ;;
1757                         armv6*|arm11*)          echo -mv=6   ;;
1758                         armv5*e|arm[79]*e*|arm9[24]6*|arm96*|arm102[26])
1759                                                 echo -mv=5e  ;;
1760                         armv4*|arm7*|arm9[24]*) echo -mv=4   ;;
1761                     esac
1762                     ;;
1763                 -mfpu=neon)     echo --float_support=vfpv3 --neon ;;
1764                 -mfpu=vfp)      echo --float_support=vfpv2        ;;
1765                 -mfpu=vfpv3)    echo --float_support=vfpv3        ;;
1766                 -msoft-float)   echo --float_support=vfplib       ;;
1767                 -O[0-3]|-mf=*)  echo $flag                        ;;
1768                 -g)             echo -g -mn                       ;;
1769                 -pds=*)         echo $flag                        ;;
1770             esac
1771         done
1772     }
1773 elif $cc -v 2>&1 | grep -q clang; then
1774     cc_type=clang
1775     cc_version=__VERSION__
1776     CC_DEPFLAGS='-MMD'
1777     AS_DEPFLAGS='-MMD'
1778     speed_cflags='-O3'
1779     size_cflags='-Os'
1780 elif $cc -V 2>&1 | grep -q Sun; then
1781     cc_type=suncc
1782     cc_version="AV_STRINGIFY(__SUNPRO_C)"
1783     DEPEND_CMD='$(DEPCC) $(DEPFLAGS) $< | sed -e "1s,^.*: ,$@: ," -e "\$$!s,\$$, \\\," -e "1!s,^.*: , ," > $(@:.o=.d)'
1784     DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -xM1'
1785     speed_cflags='-O5'
1786     size_cflags='-O5 -xspace'
1787     filter_cflags=suncc_flags
1788     suncc_flags(){
1789         for flag; do
1790             case $flag in
1791                 -march=*|-mcpu=*)
1792                     case "${flag#*=}" in
1793                         native)                   echo -xtarget=native       ;;
1794                         v9)                       echo -xarch=sparc          ;;
1795                         ultrasparc)               echo -xarch=sparcvis       ;;
1796                         ultrasparc3|niagara*)     echo -xarch=sparcvis2      ;;
1797                         i586|pentium)             echo -xchip=pentium        ;;
1798                         i686|pentiumpro|pentium2) echo -xtarget=pentium_pro  ;;
1799                         pentium3*|c3-2)           echo -xtarget=pentium3     ;;
1800                         pentium-m)          echo -xarch=sse2 -xchip=pentium3 ;;
1801                         pentium4*)          echo -xtarget=pentium4           ;;
1802                         prescott|nocona)    echo -xarch=sse3 -xchip=pentium4 ;;
1803                         *-sse3)             echo -xarch=sse3                 ;;
1804                         core2)              echo -xarch=ssse3 -xchip=core2   ;;
1805                         amdfam10|barcelona)       echo -xarch=sse4_1         ;;
1806                         athlon-4|athlon-[mx]p)    echo -xarch=ssea           ;;
1807                         k8|opteron|athlon64|athlon-fx)
1808                                                   echo -xarch=sse2a          ;;
1809                         athlon*)                  echo -xarch=pentium_proa   ;;
1810                     esac
1811                     ;;
1812                 -std=c99)             echo -xc99              ;;
1813                 -fomit-frame-pointer) echo -xregs=frameptr    ;;
1814                 -fPIC)                echo -KPIC -xcode=pic32 ;;
1815                 -W*,*)                echo $flag              ;;
1816                 -f*-*|-W*)                                    ;;
1817                 *)                    echo $flag              ;;
1818             esac
1819         done
1820     }
1821 fi
1822
1823 test -n "$cc_type" && enable $cc_type || echolog "Unknown C compiler $cc"
1824
1825 : ${as_default:=$cc}
1826 : ${dep_cc_default:=$cc}
1827 : ${ld_default:=$cc}
1828 set_default as dep_cc ld
1829
1830 test -n "$CC_DEPFLAGS" || CCDEP=$DEPEND_CMD
1831 test -n "$AS_DEPFLAGS" || ASDEP=$DEPEND_CMD
1832
1833 add_cflags $extra_cflags
1834 add_asflags $extra_cflags
1835
1836 if test -n "$sysroot"; then
1837     case "$cc_type" in
1838         gcc)
1839             add_cppflags --sysroot="$sysroot"
1840             add_ldflags --sysroot="$sysroot"
1841         ;;
1842         tms470)
1843             add_cppflags -I"$sysinclude"
1844             add_ldflags  --sysroot="$sysroot"
1845         ;;
1846         clang)
1847             add_cppflags -isysroot="$sysroot"
1848             add_ldflags -isysroot="$sysroot"
1849         ;;
1850     esac
1851 fi
1852
1853 if test "$cpu" = host; then
1854     enabled cross_compile && die "--cpu=host makes no sense when cross-compiling."
1855
1856     case "$cc_type" in
1857         gcc)
1858             check_native(){
1859                 $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return
1860                 sed -n "/$1=/{
1861                             s/.*$1=\\([^ ]*\\).*/\\1/
1862                             p
1863                             q
1864                         }" $TMPE
1865             }
1866             cpu=$(check_native -march || check_native -mcpu)
1867         ;;
1868     esac
1869
1870     test "${cpu:-host}" = host && die "--cpu=host not supported with compiler $cc"
1871 fi
1872
1873 # Deal with common $arch aliases
1874 case "$arch" in
1875     arm*)
1876         arch="arm"
1877     ;;
1878     mips|mipsel|IP*)
1879         arch="mips"
1880     ;;
1881     mips64)
1882         arch="mips"
1883         subarch="mips64"
1884     ;;
1885     parisc|hppa)
1886         arch="parisc"
1887     ;;
1888     parisc64|hppa64)
1889         arch="parisc"
1890         subarch="parisc64"
1891     ;;
1892     "Power Macintosh"|ppc|powerpc)
1893         arch="ppc"
1894     ;;
1895     ppc64)
1896         arch="ppc"
1897         subarch="ppc64"
1898     ;;
1899     s390|s390x)
1900         arch="s390"
1901     ;;
1902     sh4|sh)
1903         arch="sh4"
1904     ;;
1905     sun4u|sparc64)
1906         arch="sparc"
1907         subarch="sparc64"
1908     ;;
1909     i[3-6]86|i86pc|BePC|x86_64|amd64)
1910         arch="x86"
1911     ;;
1912 esac
1913
1914 is_in $arch $ARCH_LIST || echo "WARNING: unknown arch $arch"
1915 enable $arch
1916
1917 # Add processor-specific flags
1918 if test "$cpu" = generic; then
1919     : do nothing
1920 elif enabled ppc; then
1921
1922     case $(tolower $cpu) in
1923         601|ppc601|powerpc601)
1924             cpuflags="-mcpu=601"
1925             disable altivec
1926         ;;
1927         603*|ppc603*|powerpc603*)
1928             cpuflags="-mcpu=603"
1929             disable altivec
1930         ;;
1931         604*|ppc604*|powerpc604*)
1932             cpuflags="-mcpu=604"
1933             disable altivec
1934         ;;
1935         g3|75*|ppc75*|powerpc75*)
1936             cpuflags="-mcpu=750 -mpowerpc-gfxopt"
1937             disable altivec
1938         ;;
1939         g4|745*|ppc745*|powerpc745*)
1940             cpuflags="-mcpu=7450 -mpowerpc-gfxopt"
1941         ;;
1942         74*|ppc74*|powerpc74*)
1943             cpuflags="-mcpu=7400 -mpowerpc-gfxopt"
1944         ;;
1945         g5|970|ppc970|powerpc970|power4*)
1946             cpuflags="-mcpu=970 -mpowerpc-gfxopt -mpowerpc64"
1947         ;;
1948         cell)
1949             cpuflags="-mcpu=cell"
1950             enable ldbrx
1951         ;;
1952         e500v2)
1953             cpuflags="-mcpu=8548 -mhard-float -mfloat-gprs=double"
1954             disable altivec
1955         ;;
1956         e500)
1957             cpuflags="-mcpu=8540 -mhard-float"
1958             disable altivec
1959         ;;
1960     esac
1961
1962 elif enabled x86; then
1963
1964     case $cpu in
1965         i[345]86|pentium)
1966             cpuflags="-march=$cpu"
1967             disable mmx
1968         ;;
1969         # targets that do NOT support conditional mov (cmov)
1970         pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
1971             cpuflags="-march=$cpu"
1972             disable cmov
1973         ;;
1974         # targets that do support conditional mov (cmov)
1975         i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64|k8|opteron|athlon-fx|core2|amdfam10)
1976             cpuflags="-march=$cpu"
1977             enable cmov
1978             enable fast_cmov
1979         ;;
1980         # targets that do support conditional mov but on which it's slow
1981         pentium4|pentium4m|prescott|nocona)
1982             cpuflags="-march=$cpu"
1983             enable cmov
1984             disable fast_cmov
1985         ;;
1986     esac
1987
1988 elif enabled sparc; then
1989
1990     case $cpu in
1991         sparc64)
1992             cpuflags="-mcpu=v9"
1993         ;;
1994     esac
1995
1996 elif enabled arm; then
1997
1998     case $cpu in
1999         armv*)
2000             cpuflags="-march=$cpu"
2001         ;;
2002         *)
2003             cpuflags="-mcpu=$cpu"
2004         ;;
2005     esac
2006
2007 elif enabled alpha; then
2008
2009     enabled ccc && cpuflags="-arch $cpu" || cpuflags="-mcpu=$cpu"
2010
2011 elif enabled bfin; then
2012
2013     cpuflags="-mcpu=$cpu"
2014
2015 elif enabled mips; then
2016
2017     cpuflags="-march=$cpu"
2018
2019 elif enabled avr32; then
2020
2021     case $cpu in
2022         ap7[02]0[0-2])
2023             subarch="avr32_ap"
2024             cpuflags="-mpart=$cpu"
2025         ;;
2026         ap)
2027             subarch="avr32_ap"
2028             cpuflags="-march=$cpu"
2029         ;;
2030         uc3[ab]*)
2031             subarch="avr32_uc"
2032             cpuflags="-mcpu=$cpu"
2033         ;;
2034         uc)
2035             subarch="avr32_uc"
2036             cpuflags="-march=$cpu"
2037         ;;
2038     esac
2039
2040 fi
2041
2042 add_cflags $cpuflags
2043 add_asflags $cpuflags
2044
2045 # compiler sanity check
2046 check_exec <<EOF
2047 int main(void){ return 0; }
2048 EOF
2049 if test "$?" != 0; then
2050     echo "$cc is unable to create an executable file."
2051     if test -z "$cross_prefix" && ! enabled cross_compile ; then
2052         echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
2053         echo "Only do this if you know what cross compiling means."
2054     fi
2055     die "C compiler test failed."
2056 fi
2057
2058 add_cppflags -D_ISOC99_SOURCE -D_POSIX_C_SOURCE=200112
2059 check_cflags -std=c99
2060 check_cc -D_FILE_OFFSET_BITS=64 <<EOF && add_cppflags -D_FILE_OFFSET_BITS=64
2061 #include <stdlib.h>
2062 EOF
2063 check_cc -D_LARGEFILE_SOURCE <<EOF && add_cppflags -D_LARGEFILE_SOURCE
2064 #include <stdlib.h>
2065 EOF
2066
2067 check_host_cflags -std=c99
2068
2069 case "$arch" in
2070     alpha|ia64|mips|parisc|sparc)
2071         spic=$shared
2072     ;;
2073     x86)
2074         subarch="x86_32"
2075         check_cc <<EOF && subarch="x86_64"
2076         int test[(int)sizeof(char*) - 7];
2077 EOF
2078         if test "$subarch" = "x86_64"; then
2079             spic=$shared
2080         fi
2081     ;;
2082 esac
2083
2084 enable $subarch
2085 enabled spic && enable pic
2086 check_cpp_condition stdlib.h "defined(__PIC__) || defined(__pic__) || defined(PIC)" && enable pic
2087
2088 # OS specific
2089 case $target_os in
2090     beos|haiku|zeta)
2091         prefix_default="$HOME/config"
2092         # 3 gcc releases known for BeOS, each with ugly bugs
2093         gcc_version="$($cc -v 2>&1 | grep version | cut -d ' ' -f3-)"
2094         case "$gcc_version" in
2095           2.9-beos-991026*|2.9-beos-000224*) echo "R5/GG gcc"
2096             disable mmx
2097             ;;
2098           *20010315*) echo "BeBits gcc"
2099             add_cflags -fno-expensive-optimizations
2100             ;;
2101         esac
2102         SHFLAGS=-nostart
2103         # enable BeOS things
2104         enable audio_beos
2105         # no need for libm, but the inet stuff
2106         # Check for BONE
2107         # XXX: actually should check for NOT net_server
2108         if echo $BEINCLUDES | grep -q 'headers/be/bone'; then
2109             network_extralibs="-lbind -lsocket"
2110         else
2111             enable beos_netserver
2112             network_extralibs="-lnet"
2113         fi ;;
2114     sunos)
2115         FFSERVERLDFLAGS=""
2116         SHFLAGS='-shared -Wl,-h,$$(@F)'
2117         enabled x86 && SHFLAGS="-mimpure-text $SHFLAGS"
2118         network_extralibs="-lsocket -lnsl"
2119         add_cppflags -D__EXTENSIONS__
2120         nm_opts='-P -g'
2121         ;;
2122     netbsd)
2123         oss_indev_extralibs="-lossaudio"
2124         oss_outdev_extralibs="-lossaudio"
2125         ;;
2126     openbsd)
2127         enable malloc_aligned
2128         # On OpenBSD 4.5. the compiler does not use PIC unless
2129         # explicitly using -fPIC. FFmpeg builds fine without PIC,
2130         # however the generated executable will not do anything
2131         # (simply quits with exit-code 1, no crash, no output).
2132         # Thus explicitly enable PIC here.
2133         enable pic
2134         SHFLAGS='-shared'
2135         oss_indev_extralibs="-lossaudio"
2136         oss_outdev_extralibs="-lossaudio"
2137         ;;
2138     freebsd|dragonfly)
2139         enable malloc_aligned
2140         ;;
2141     bsd/os)
2142         osextralibs="-lpoll -lgnugetopt"
2143         strip="strip -d"
2144         ;;
2145     darwin)
2146         enable malloc_aligned
2147         SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(SHLIBDIR)/$(SLIBNAME),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR) -Wl,-read_only_relocs,suppress'
2148         strip="strip -x"
2149         FFLDFLAGS="-Wl,-dynamic,-search_paths_first"
2150         SLIBSUF=".dylib"
2151         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'
2152         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'
2153         FFSERVERLDFLAGS=-Wl,-bind_at_load
2154         objformat="macho"
2155         enabled x86_64 && objformat="macho64"
2156         enabled_any pic shared ||
2157             { check_cflags -mdynamic-no-pic && add_asflags -mdynamic-no-pic; }
2158         ;;
2159     mingw32*)
2160         if test $target_os = "mingw32ce"; then
2161             disable network
2162         else
2163             target_os=mingw32
2164         fi
2165         LIBTARGET=i386
2166         if enabled x86_64; then
2167             enable malloc_aligned
2168             LIBTARGET=x64
2169         elif enabled arm; then
2170             LIBTARGET=arm
2171         fi
2172         shlibdir_default="$bindir_default"
2173         disable ffserver
2174         SLIBPREF=""
2175         SLIBSUF=".dll"
2176         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
2177         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
2178         SLIB_EXTRA_CMD='-lib.exe /machine:$(LIBTARGET) /def:$$(@:$(SLIBSUF)=.def) /out:$(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib)'
2179         SLIB_INSTALL_EXTRA_CMD='-install -m 644 $(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib) "$(SHLIBDIR)/$(SLIBNAME:$(SLIBSUF)=.lib)"; \
2180             install -m 644 $(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib) "$(SHLIBDIR)/$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib)"; \
2181             install -d "$(LIBDIR)"; \
2182             install -m 644 $(SUBDIR)lib$(SLIBNAME:$(SLIBSUF)=.dll.a) "$(LIBDIR)/lib$(SLIBNAME:$(SLIBSUF)=.dll.a)"'
2183         SLIB_UNINSTALL_EXTRA_CMD='rm -f "$(SHLIBDIR)/$(SLIBNAME:$(SLIBSUF)=.lib)"'
2184         SHFLAGS='-shared -Wl,--output-def,$$(@:$(SLIBSUF)=.def) -Wl,--out-implib,$(SUBDIR)lib$(SLIBNAME:$(SLIBSUF)=.dll.a) -Wl,--enable-runtime-pseudo-reloc -Wl,--enable-auto-image-base'
2185         objformat="win32"
2186         enable dos_paths
2187         check_cflags -fno-common
2188         if ! enabled x86_64; then
2189             check_cpp_condition _mingw.h "(__MINGW32_MAJOR_VERSION > 3) || (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" ||
2190                 die "ERROR: MinGW runtime version must be >= 3.15."
2191             enabled_any avisynth vfwcap_indev &&
2192                 { check_cpp_condition w32api.h "(__W32API_MAJOR_VERSION > 3) || (__W32API_MAJOR_VERSION == 3 && __W32API_MINOR_VERSION >= 13)" ||
2193                   die "ERROR: avisynth and vfwcap_indev require w32api version 3.13 or later."; }
2194         fi
2195         ;;
2196     cygwin*)
2197         target_os=cygwin
2198         shlibdir_default="$bindir_default"
2199         SLIBPREF="cyg"
2200         SLIBSUF=".dll"
2201         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
2202         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
2203         SHFLAGS='-shared -Wl,--enable-auto-image-base'
2204         objformat="win32"
2205         enable dos_paths
2206         check_cflags -fno-common
2207         ;;
2208     *-dos|freedos|opendos)
2209         disable ffplay ffserver
2210         disable $INDEV_LIST $OUTDEV_LIST
2211         network_extralibs="-lsocket"
2212         objformat="coff"
2213         enable dos_paths
2214         ;;
2215     linux)
2216         enable dv1394
2217         ;;
2218     irix*)
2219         target_os=irix
2220         ranlib="echo ignoring ranlib"
2221         ;;
2222     os/2*)
2223         strip="lxlite"
2224         ln_s="cp -f"
2225         FFLDFLAGS="-Zomf -Zbin-files -Zargs-wild -Zmap"
2226         SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'
2227         FFSERVERLDFLAGS=""
2228         LIBSUF="_s.a"
2229         SLIBPREF=""
2230         SLIBSUF=".dll"
2231         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
2232         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(NAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'
2233         SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(NAME).def; \
2234           echo PROTMODE >> $(SUBDIR)$(NAME).def; \
2235           echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(NAME).def; \
2236           echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(NAME).def; \
2237           echo EXPORTS >> $(SUBDIR)$(NAME).def; \
2238           emxexp -o $(OBJS) >> $(SUBDIR)$(NAME).def'
2239         SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(NAME).def; \
2240           emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib $(SUBDIR)$(NAME).def;'
2241         SLIB_INSTALL_EXTRA_CMD='install -m 644 $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib "$(LIBDIR)"'
2242         SLIB_UNINSTALL_EXTRA_CMD='rm -f "$(LIBDIR)"/$(LIBPREF)$(NAME)_dll.a "$(LIBDIR)"/$(LIBPREF)$(NAME)_dll.lib'
2243         enable dos_paths
2244         ;;
2245     gnu/kfreebsd)
2246         ;;
2247     gnu)
2248         ;;
2249     none)
2250         ;;
2251     *)
2252         die "Unknown OS '$target_os'."
2253         ;;
2254 esac
2255
2256 set_default $PATHS_LIST
2257
2258 add_extralibs $osextralibs
2259
2260 # Combine FFLDFLAGS and the LDFLAGS environment variable.
2261 LDFLAGS="$FFLDFLAGS $LDFLAGS"
2262
2263 # we need to build at least one lib type
2264 if ! enabled_any static shared; then
2265     cat <<EOF
2266 At least one library type must be built.
2267 Specify --enable-static to build the static libraries or --enable-shared to
2268 build the shared libraries as well. To only build the shared libraries specify
2269 --disable-static in addition to --enable-shared.
2270 EOF
2271     exit 1;
2272 fi
2273
2274 disabled static && LIBNAME=""
2275
2276 if enabled_any libfaad libfaadbin ; then
2277     if check_header faad.h; then
2278         check_cc <<EOF
2279 #include <faad.h>
2280 #ifndef FAAD2_VERSION
2281 ok faad1
2282 #endif
2283 int main(void) { return 0; }
2284 EOF
2285         test $? = 0 && enable libfaad2
2286     else
2287         die "FAAD test failed."
2288     fi
2289 fi
2290
2291
2292 die_license_disabled() {
2293     enabled $1 || { enabled $2 && die "$2 is $1 and --enable-$1 is not specified."; }
2294 }
2295
2296 die_license_disabled gpl libfaad2
2297 die_license_disabled gpl libx264
2298 die_license_disabled gpl libxvid
2299 die_license_disabled gpl postproc
2300 die_license_disabled gpl x11grab
2301
2302 die_license_disabled nonfree libfaac
2303
2304 die_license_disabled version3 libopencore_amrnb
2305 die_license_disabled version3 libopencore_amrwb
2306
2307 enabled version3 && { enabled gpl && enable gplv3 || enable lgplv3; }
2308
2309 check_deps $ARCH_EXT_LIST
2310
2311 disabled optimizations || check_cflags -fomit-frame-pointer
2312
2313 enable_pic() {
2314     enable pic
2315     add_cppflags -DPIC
2316     add_cflags   -fPIC
2317     add_asflags  -fPIC
2318 }
2319
2320 enabled pic && enable_pic
2321
2322 check_cc <<EOF || die "Symbol mangling check failed."
2323 int ff_extern;
2324 EOF
2325 sym=$($nm $nm_opts $TMPO | awk '/ff_extern/{ print substr($0, match($0, /[^ \t]*ff_extern/)) }')
2326 extern_prefix=${sym%%ff_extern*}
2327
2328 check_cc <<EOF && enable inline_asm
2329 void foo(void) { __asm__ volatile ("" ::); }
2330 EOF
2331
2332 _restrict=
2333 for restrict_keyword in restrict __restrict__ __restrict; do
2334     check_cc <<EOF && _restrict=$restrict_keyword && break
2335 void foo(char * $restrict_keyword p);
2336 EOF
2337 done
2338
2339 check_cc <<EOF && enable attribute_packed
2340 struct { int x; } __attribute__((packed)) x;
2341 EOF
2342
2343 check_cc <<EOF && enable attribute_may_alias
2344 union { int x; } __attribute__((may_alias)) x;
2345 EOF
2346
2347 check_cc <<EOF || die "endian test failed"
2348 unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';
2349 EOF
2350 od -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian
2351
2352 if enabled alpha; then
2353
2354     check_cflags -mieee
2355
2356 elif enabled arm; then
2357
2358     check_cflags -marm
2359
2360     check_ld <<EOF && enable vfp_args
2361 __asm__ (".eabi_attribute 28, 1");
2362 int main(void) { return 0; }
2363 EOF
2364
2365     # We have to check if pld is a nop and disable it.
2366     check_asm pld '"pld [r0]"'
2367
2368     enabled armv5te && check_asm armv5te '"qadd r0, r0, r0"'
2369     enabled armv6   && check_asm armv6   '"sadd16 r0, r0, r0"'
2370     enabled armv6t2 && check_asm armv6t2 '"movt r0, #0"'
2371     enabled armvfp  && check_asm armvfp  '"fadds s0, s0, s0"'
2372     enabled iwmmxt  && check_asm iwmmxt  '"wunpckelub wr6, wr4"'
2373     enabled neon    && check_asm neon    '"vadd.i16 q0, q0, q0"'
2374
2375     enabled_all armv6t2 shared !pic && enable_pic
2376
2377 elif enabled ia64; then
2378
2379     # HACK: currently fails to build if .bss is > 4MB and shared libs are built
2380     enabled shared && enable_weak hardcoded_tables
2381
2382 elif enabled mips; then
2383
2384     check_asm loongson '"dmult.g $1, $2, $3"'
2385     enabled mmi     && check_asm mmi     '"lq $2, 0($2)"'
2386
2387 elif enabled ppc; then
2388
2389     check_asm dcbzl     '"dcbzl 0, 1"'
2390     check_asm ppc4xx    '"maclhw r10, r11, r12"'
2391     check_asm xform_asm '"lwzx %1, %y0" :: "Z"(*(int*)0), "r"(0)'
2392
2393     # AltiVec flags: The FSF version of GCC differs from the Apple version
2394     if enabled altivec; then
2395         check_cflags -maltivec -mabi=altivec &&
2396         { check_header altivec.h && inc_altivec_h="#include <altivec.h>" ; } ||
2397         check_cflags -faltivec
2398
2399         # check if our compiler supports Motorola AltiVec C API
2400         check_cc <<EOF || disable altivec
2401 $inc_altivec_h
2402 int main(void) {
2403     vector signed int v1, v2, v3;
2404     v1 = vec_add(v2,v3);
2405     return 0;
2406 }
2407 EOF
2408
2409         # check if our compiler supports braces for vector declarations
2410         check_cc <<EOF || die "You need a compiler that supports {} in AltiVec vector declarations."
2411 $inc_altivec_h
2412 int main (void) { (vector int) {1}; return 0; }
2413 EOF
2414     fi
2415
2416 elif enabled sparc; then
2417
2418     enabled vis && check_asm vis '"pdist %f0, %f0, %f0"' -mcpu=ultrasparc &&
2419         add_cflags -mcpu=ultrasparc -mtune=ultrasparc
2420
2421 elif enabled x86; then
2422
2423     # check whether EBP is available on x86
2424     # As 'i' is stored on the stack, this program will crash
2425     # if the base pointer is used to access it because the
2426     # base pointer is cleared in the inline assembly code.
2427     check_exec_crash <<EOF && enable ebp_available
2428     volatile int i=0;
2429     __asm__ volatile (
2430         "xorl %%ebp, %%ebp"
2431     ::: "%ebp");
2432     return i;
2433 EOF
2434
2435     # check whether EBX is available on x86
2436     check_asm ebx_available '""::"b"(0)' &&
2437         check_asm ebx_available '"":::"%ebx"'
2438
2439     # check whether more than 10 operands are supported
2440     check_cc <<EOF && enable ten_operands
2441 int main(void) {
2442     int x=0;
2443     __asm__ volatile(
2444         ""
2445         :"+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x)
2446     );
2447     return 0;
2448 }
2449 EOF
2450
2451     # check whether binutils is new enough to compile SSSE3/MMX2
2452     enabled ssse3 && check_asm ssse3 '"pabsw %xmm0, %xmm0"'
2453     enabled mmx2  && check_asm mmx2  '"pmaxub %mm0, %mm1"'
2454
2455     check_asm bswap '"bswap %%eax" ::: "%eax"'
2456
2457     YASMFLAGS="-f $objformat -DARCH_$(toupper $subarch)"
2458     enabled     x86_64        && append YASMFLAGS "-m amd64"
2459     enabled     pic           && append YASMFLAGS "-DPIC"
2460     test -n "$extern_prefix"  && append YASMFLAGS "-DPREFIX"
2461     case "$objformat" in
2462         elf) enabled debug && append YASMFLAGS "-g dwarf2" ;;
2463     esac
2464     disabled yasm || { check_yasm "pabsw xmm0, xmm0" && enable yasm; }
2465
2466     case "$cpu" in
2467         athlon*|opteron*|k8*|pentium|pentium-mmx|prescott|nocona|atom|geode)
2468             disable fast_clz
2469         ;;
2470     esac
2471
2472 fi
2473
2474 if check_func dlopen; then
2475     ldl=
2476 elif check_func dlopen -ldl; then
2477     ldl=-ldl
2478 fi
2479
2480 # Solaris has nanosleep in -lrt, OpenSolaris no longer needs that
2481 check_func nanosleep || { check_func nanosleep -lrt && add_extralibs -lrt; }
2482
2483 check_func  fork
2484 check_func  getaddrinfo $network_extralibs
2485 check_func  gethrtime
2486 check_func  getrusage
2487 check_func  inet_aton $network_extralibs
2488 check_func  isatty
2489 check_func  ${malloc_prefix}memalign            && enable memalign
2490 check_func  mkstemp
2491 check_func  ${malloc_prefix}posix_memalign      && enable posix_memalign
2492 check_func  setrlimit
2493 check_func_headers io.h setmode
2494 check_func_headers lzo/lzo1x.h lzo1x_999_compress
2495 check_func_headers windows.h GetProcessTimes
2496 check_func_headers windows.h VirtualAlloc
2497
2498 check_header conio.h
2499 check_header dlfcn.h
2500 check_header dxva2api.h
2501 check_header malloc.h
2502 check_header poll.h
2503 check_header sys/mman.h
2504 check_header sys/resource.h
2505 check_header sys/select.h
2506 check_header termios.h
2507 check_header vdpau/vdpau.h
2508 check_header vdpau/vdpau_x11.h
2509 check_header X11/extensions/XvMClib.h
2510
2511 check_struct dxva2api.h DXVA_PictureParameters wDecodedPictureIndex
2512
2513 if ! enabled_any memalign memalign_hack posix_memalign malloc_aligned &&
2514      enabled_any $need_memalign ; then
2515     die "Error, no aligned memory allocator but SSE enabled, disable it or use --enable-memalign-hack."
2516 fi
2517
2518 disabled  zlib || check_lib   zlib.h      zlibVersion -lz   || disable  zlib
2519 disabled bzlib || check_lib2 bzlib.h BZ2_bzlibVersion -lbz2 || disable bzlib
2520
2521 # check for some common methods of building with pthread support
2522 # do this before the optional library checks as some of them require pthreads
2523 if enabled pthreads; then
2524     if check_func pthread_create; then
2525         :
2526     elif check_func pthread_create -pthread; then
2527         add_cflags -pthread
2528         add_extralibs -pthread
2529     elif check_func pthread_create -pthreads; then
2530         add_cflags -pthreads
2531         add_extralibs -pthreads
2532     elif check_func pthread_create -lpthreadGC2; then
2533         add_extralibs -lpthreadGC2
2534     elif ! check_lib pthread.h pthread_create -lpthread; then
2535         die "ERROR: can't find pthreads library"
2536     fi
2537 fi
2538
2539 for thread in $THREADS_LIST; do
2540     if enabled $thread; then
2541         test -n "$thread_type" &&
2542             die "ERROR: Only one thread type must be selected." ||
2543             thread_type="$thread"
2544     fi
2545 done
2546
2547 check_lib math.h sin -lm
2548 check_lib va/va.h vaInitialize -lva
2549
2550 check_mathfunc exp2
2551 check_mathfunc exp2f
2552 check_mathfunc llrint
2553 check_mathfunc log2
2554 check_mathfunc log2f
2555 check_mathfunc lrint
2556 check_mathfunc lrintf
2557 check_mathfunc round
2558 check_mathfunc roundf
2559 check_mathfunc truncf
2560
2561 # these are off by default, so fail if requested and not available
2562 enabled avisynth   && require2 vfw32 "windows.h vfw.h" AVIFileInit -lavifil32
2563 enabled libdirac   && add_cflags $(pkg-config --cflags dirac) &&
2564                       require  libdirac libdirac_decoder/dirac_parser.h dirac_decoder_init $(pkg-config --libs dirac) &&
2565                       require  libdirac libdirac_encoder/dirac_encoder.h dirac_encoder_init $(pkg-config --libs dirac)
2566 enabled libfaac    && require2 libfaac "stdint.h faac.h" faacEncGetVersion -lfaac
2567 enabled libfaad    && require2 libfaad faad.h faacDecOpen -lfaad
2568 enabled libgsm     && require  libgsm gsm/gsm.h gsm_create -lgsm
2569 enabled libmp3lame && require  libmp3lame lame/lame.h lame_init -lmp3lame -lm
2570 enabled libnut     && require  libnut libnut.h nut_demuxer_init -lnut
2571 enabled libopencore_amrnb  && require libopencore_amrnb opencore-amrnb/interf_dec.h Decoder_Interface_init -lopencore-amrnb -lm
2572 enabled libopencore_amrwb  && require libopencore_amrwb opencore-amrwb/dec_if.h D_IF_init -lopencore-amrwb -lm
2573 enabled libopenjpeg && require libopenjpeg openjpeg.h opj_version -lopenjpeg
2574 enabled libschroedinger && add_cflags $(pkg-config --cflags schroedinger-1.0) &&
2575                            require libschroedinger schroedinger/schro.h schro_init $(pkg-config --libs schroedinger-1.0)
2576 enabled libspeex   && require  libspeex speex/speex.h speex_decoder_init -lspeex
2577 enabled libtheora  && require  libtheora theora/theoraenc.h th_info_init -ltheoraenc -ltheoradec -logg
2578 enabled libvorbis  && require  libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbisenc -lvorbis -logg
2579 enabled libx264    && require  libx264 x264.h x264_encoder_encode -lx264 -lm &&
2580                       { check_cpp_condition x264.h "X264_BUILD >= 83" ||
2581                         die "ERROR: libx264 version must be >= 0.83."; }
2582 enabled libxvid    && require  libxvid xvid.h xvid_global -lxvidcore
2583 enabled mlib       && require  mediaLib mlib_types.h mlib_VectorSub_S16_U8_Mod -lmlib
2584
2585 # libdc1394 check
2586 if enabled libdc1394; then
2587     { check_lib dc1394/dc1394.h dc1394_new -ldc1394 -lraw1394 &&
2588         enable libdc1394_2; } ||
2589     { check_lib libdc1394/dc1394_control.h dc1394_create_handle -ldc1394_control -lraw1394 &&
2590         enable libdc1394_1; } ||
2591     die "ERROR: No version of libdc1394 found "
2592 fi
2593
2594 SDL_CONFIG="${cross_prefix}sdl-config"
2595 if "${SDL_CONFIG}" --version > /dev/null 2>&1; then
2596     sdl_cflags=$("${SDL_CONFIG}" --cflags)
2597     sdl_libs=$("${SDL_CONFIG}" --libs)
2598     check_func_headers SDL.h SDL_Init $sdl_cflags $sdl_libs &&
2599     check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x010201" $sdl_cflags &&
2600     enable sdl &&
2601     check_struct SDL.h SDL_VideoInfo current_w $sdl_cflags && enable sdl_video_size
2602 fi
2603
2604 texi2html -version > /dev/null 2>&1 && enable texi2html || disable texi2html
2605
2606 if enabled network; then
2607     check_type "sys/types.h sys/socket.h" socklen_t
2608     check_type netdb.h "struct addrinfo"
2609     check_type netinet/in.h "struct ipv6_mreq"
2610     check_type netinet/in.h "struct sockaddr_in6"
2611     check_type "sys/types.h sys/socket.h" "struct sockaddr_storage"
2612     check_struct "sys/types.h sys/socket.h" "struct sockaddr" sa_len
2613     # Prefer arpa/inet.h over winsock2
2614     if check_header arpa/inet.h ; then
2615         check_func closesocket
2616     elif check_header winsock2.h ; then
2617         check_func_headers winsock2.h closesocket -lws2 && \
2618             network_extralibs="-lws2" || \
2619         { check_func_headers winsock2.h closesocket -lws2_32 && \
2620             network_extralibs="-lws2_32"; }
2621         check_type ws2tcpip.h socklen_t
2622         check_type ws2tcpip.h "struct addrinfo"
2623         check_type ws2tcpip.h "struct ipv6_mreq"
2624         check_type ws2tcpip.h "struct sockaddr_in6"
2625         check_type ws2tcpip.h "struct sockaddr_storage"
2626         check_struct winsock2.h "struct sockaddr" sa_len
2627     else
2628         disable network
2629     fi
2630 fi
2631
2632 check_header linux/videodev.h
2633 check_header linux/videodev2.h
2634 check_header sys/videoio.h
2635
2636 check_func_headers "windows.h vfw.h" capCreateCaptureWindow "$vfwcap_indev_extralibs"
2637
2638 # check for ioctl_meteor.h, ioctl_bt848.h and alternatives
2639 { check_header dev/bktr/ioctl_meteor.h &&
2640   check_header dev/bktr/ioctl_bt848.h; } ||
2641 { check_header machine/ioctl_meteor.h &&
2642   check_header machine/ioctl_bt848.h; } ||
2643 { check_header dev/video/meteor/ioctl_meteor.h &&
2644   check_header dev/video/bktr/ioctl_bt848.h; } ||
2645 check_header dev/ic/bt8xx.h
2646
2647 check_header sys/soundcard.h
2648 check_header soundcard.h
2649
2650 enabled_any alsa_indev alsa_outdev && check_lib2 alsa/asoundlib.h snd_pcm_htimestamp -lasound
2651
2652 enabled jack_indev && check_lib2 jack/jack.h jack_client_open -ljack
2653
2654 enabled x11grab                         &&
2655 check_header X11/Xlib.h                 &&
2656 check_header X11/extensions/XShm.h      &&
2657 check_header X11/extensions/Xfixes.h    &&
2658 check_func XOpenDisplay -lX11           &&
2659 check_func XShmCreateImage -lX11 -lXext &&
2660 check_func XFixesGetCursorImage -lX11 -lXext -lXfixes
2661
2662 if ! disabled vdpau && enabled vdpau_vdpau_h; then
2663 check_cpp_condition \
2664     vdpau/vdpau.h "defined VDP_DECODER_PROFILE_MPEG4_PART2_ASP" ||
2665     { echolog "Please upgrade to libvdpau >= 0.2 if you would like vdpau support." &&
2666       disable vdpau; }
2667 fi
2668
2669 enabled debug && add_cflags -g"$debuglevel" && add_asflags -g"$debuglevel"
2670
2671 # add some useful compiler flags if supported
2672 check_cflags -Wdeclaration-after-statement
2673 check_cflags -Wall
2674 check_cflags -Wno-switch
2675 check_cflags -Wdisabled-optimization
2676 check_cflags -Wpointer-arith
2677 check_cflags -Wredundant-decls
2678 check_cflags -Wno-pointer-sign
2679 check_cflags -Wcast-qual
2680 check_cflags -Wwrite-strings
2681 check_cflags -Wtype-limits
2682 check_cflags -Wundef
2683 enabled extra_warnings && check_cflags -Winline
2684
2685 # add some linker flags
2686 check_ldflags -Wl,--warn-common
2687 check_ldflags -Wl,--as-needed
2688 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'
2689 check_ldflags -Wl,-Bsymbolic
2690
2691 echo "X{};" > $TMPV
2692 test_ldflags -Wl,--version-script,$TMPV &&
2693     append SHFLAGS '-Wl,--version-script,\$(SUBDIR)lib\$(NAME).ver'
2694
2695 if enabled small; then
2696     add_cflags $size_cflags
2697     optimizations="small"
2698 elif enabled optimizations; then
2699     add_cflags $speed_cflags
2700 fi
2701 check_cflags -fno-math-errno
2702 check_cflags -fno-signed-zeros
2703
2704 if enabled icc; then
2705     # Just warnings, no remarks
2706     check_cflags -w1
2707     # -wd: Disable following warnings
2708     # 144, 167, 556: -Wno-pointer-sign
2709     # 10006: ignoring unknown option -fno-signed-zeros
2710     # 10156: ignoring option '-W'; no argument required
2711     check_cflags -wd144,167,556,10006,10156
2712     # 11030: Warning unknown option --as-needed
2713     # 10156: ignoring option '-export'; no argument required
2714     check_ldflags -wd10156,11030
2715     # Allow to compile with optimizations
2716     check_ldflags -march=$cpu
2717     # icc 11.0 and 11.1 work with ebp_available, but don't pass the test
2718     enable ebp_available
2719 elif enabled ccc; then
2720     # disable some annoying warnings
2721     add_cflags -msg_disable cvtu32to64
2722     add_cflags -msg_disable embedcomment
2723     add_cflags -msg_disable needconstext
2724     add_cflags -msg_disable nomainieee
2725     add_cflags -msg_disable ptrmismatch1
2726     add_cflags -msg_disable unreachcode
2727 elif enabled gcc; then
2728     check_cflags -fno-tree-vectorize
2729 elif enabled clang; then
2730     check_cflags -Qunused-arguments
2731 elif enabled armcc; then
2732     # 2523: use of inline assembler is deprecated
2733     add_cflags -Wrvct,--diag_suppress=2523
2734 elif enabled tms470; then
2735     add_cflags -pds=824 -pds=837
2736 fi
2737
2738 if enabled gprof; then
2739     add_cflags  -p
2740     add_ldflags -p
2741 fi
2742
2743 # Find out if the .align argument is a power of two or not.
2744 check_asm asmalign_pot '".align 3"'
2745
2746 enabled_any $DECODER_LIST      && enable decoders
2747 enabled_any $ENCODER_LIST      && enable encoders
2748 enabled_any $HWACCEL_LIST      && enable hwaccels
2749 enabled_any $BSF_LIST          && enable bsfs
2750 enabled_any $DEMUXER_LIST      && enable demuxers
2751 enabled_any $MUXER_LIST        && enable muxers
2752 enabled_any $FILTER_LIST       && enable filters
2753 enabled_any $INDEV_LIST        && enable indevs
2754 enabled_any $OUTDEV_LIST       && enable outdevs
2755 enabled_any $PROTOCOL_LIST     && enable protocols
2756
2757 enabled_any $THREADS_LIST      && enable threads
2758
2759 check_deps $CONFIG_LIST       \
2760            $CONFIG_EXTRA      \
2761            $HAVE_LIST         \
2762            $DECODER_LIST      \
2763            $ENCODER_LIST      \
2764            $HWACCEL_LIST      \
2765            $PARSER_LIST       \
2766            $BSF_LIST          \
2767            $DEMUXER_LIST      \
2768            $MUXER_LIST        \
2769            $FILTER_LIST       \
2770            $INDEV_LIST        \
2771            $OUTDEV_LIST       \
2772            $PROTOCOL_LIST     \
2773
2774 enabled asm || disable $ARCH_LIST $ARCH_EXT_LIST
2775
2776 echo "install prefix            $prefix"
2777 echo "source path               $source_path"
2778 echo "C compiler                $cc"
2779 echo ".align is power-of-two    $asmalign_pot"
2780 echo "ARCH                      $arch ($cpu)"
2781 if test "$build_suffix" != ""; then
2782     echo "build suffix              $build_suffix"
2783 fi
2784 if test "$extra_version" != ""; then
2785     echo "version string suffix     $extra_version"
2786 fi
2787 echo "big-endian                ${bigendian-no}"
2788 echo "runtime cpu detection     ${runtime_cpudetect-no}"
2789 if enabled x86; then
2790     echo "yasm                      ${yasm-no}"
2791     echo "MMX enabled               ${mmx-no}"
2792     echo "MMX2 enabled              ${mmx2-no}"
2793     echo "3DNow! enabled            ${amd3dnow-no}"
2794     echo "3DNow! extended enabled   ${amd3dnowext-no}"
2795     echo "SSE enabled               ${sse-no}"
2796     echo "SSSE3 enabled             ${ssse3-no}"
2797     echo "CMOV enabled              ${cmov-no}"
2798     echo "CMOV is fast              ${fast_cmov-no}"
2799     echo "EBX available             ${ebx_available-no}"
2800     echo "EBP available             ${ebp_available-no}"
2801     echo "10 operands supported     ${ten_operands-no}"
2802 fi
2803 if enabled arm; then
2804     echo "ARMv5TE enabled           ${armv5te-no}"
2805     echo "ARMv6 enabled             ${armv6-no}"
2806     echo "ARMv6T2 enabled           ${armv6t2-no}"
2807     echo "ARM VFP enabled           ${armvfp-no}"
2808     echo "IWMMXT enabled            ${iwmmxt-no}"
2809     echo "NEON enabled              ${neon-no}"
2810 fi
2811 if enabled mips; then
2812     echo "MMI enabled               ${mmi-no}"
2813 fi
2814 if enabled ppc; then
2815     echo "AltiVec enabled           ${altivec-no}"
2816     echo "PPC 4xx optimizations     ${ppc4xx-no}"
2817     echo "dcbzl available           ${dcbzl-no}"
2818     echo "performance report        ${powerpc_perf-no}"
2819 fi
2820 if enabled sparc; then
2821     echo "VIS enabled               ${vis-no}"
2822 fi
2823 echo "gprof enabled             ${gprof-no}"
2824 echo "debug symbols             ${debug-no}"
2825 echo "strip symbols             ${stripping-no}"
2826 echo "optimizations             ${optimizations-no}"
2827 echo "static                    ${static-no}"
2828 echo "shared                    ${shared-no}"
2829 echo "postprocessing support    ${postproc-no}"
2830 echo "new filter support        ${avfilter-no}"
2831 echo "filters using lavformat   ${avfilter_lavf-no}"
2832 echo "network support           ${network-no}"
2833 echo "threading support         ${thread_type-no}"
2834 echo "SDL support               ${sdl-no}"
2835 echo "Sun medialib support      ${mlib-no}"
2836 echo "AVISynth enabled          ${avisynth-no}"
2837 echo "libdc1394 support         ${libdc1394-no}"
2838 echo "libdirac enabled          ${libdirac-no}"
2839 echo "libfaac enabled           ${libfaac-no}"
2840 echo "libfaad enabled           ${libfaad-no}"
2841 echo "libfaad dlopened          ${libfaadbin-no}"
2842 echo "libgsm enabled            ${libgsm-no}"
2843 echo "libmp3lame enabled        ${libmp3lame-no}"
2844 echo "libnut enabled            ${libnut-no}"
2845 echo "libopencore-amrnb support ${libopencore_amrnb-no}"
2846 echo "libopencore-amrwb support ${libopencore_amrwb-no}"
2847 echo "libopenjpeg enabled       ${libopenjpeg-no}"
2848 echo "libschroedinger enabled   ${libschroedinger-no}"
2849 echo "libspeex enabled          ${libspeex-no}"
2850 echo "libtheora enabled         ${libtheora-no}"
2851 echo "libvorbis enabled         ${libvorbis-no}"
2852 echo "libx264 enabled           ${libx264-no}"
2853 echo "libxvid enabled           ${libxvid-no}"
2854 echo "zlib enabled              ${zlib-no}"
2855 echo "bzlib enabled             ${bzlib-no}"
2856 echo
2857
2858 for type in decoder encoder hwaccel parser demuxer muxer protocol filter bsf indev outdev; do
2859     echo "Enabled ${type}s:"
2860     eval list=\$$(toupper $type)_LIST
2861     for part in $list; do
2862         enabled $part && echo ${part%_*}
2863     done | sort | pr -3 -t
2864     echo
2865 done
2866
2867 license="LGPL version 2.1 or later"
2868 if enabled nonfree; then
2869     license="nonfree and unredistributable"
2870 elif enabled gplv3; then
2871     license="GPL version 3 or later"
2872 elif enabled lgplv3; then
2873     license="LGPL version 3 or later"
2874 elif enabled gpl; then
2875     license="GPL version 2 or later"
2876 fi
2877
2878 echo "License: $license"
2879
2880 echo "Creating config.mak and config.h..."
2881
2882 # build tree in object directory if source path is different from current one
2883 if enabled source_path_used; then
2884     DIRS="
2885         doc
2886         libavcodec
2887         libavcodec/$arch
2888         libavdevice
2889         libavfilter
2890         libavformat
2891         libavutil
2892         libavutil/$arch
2893         libpostproc
2894         libswscale
2895         libswscale/$arch
2896         tests
2897         tools
2898     "
2899     FILES="
2900         Makefile
2901         common.mak
2902         subdir.mak
2903         doc/texi2pod.pl
2904         libavcodec/Makefile
2905         libavdevice/Makefile
2906         libavfilter/Makefile
2907         libavformat/Makefile
2908         libavutil/Makefile
2909         libpostproc/Makefile
2910         libswscale/Makefile
2911     "
2912     for dir in $DIRS ; do
2913         mkdir -p $dir
2914     done
2915     for f in $FILES ; do
2916         $ln_s "$source_path/$f" $f
2917     done
2918 fi
2919
2920 enabled stripping || strip="echo skipping strip"
2921
2922 cat > config.mak <<EOF
2923 # Automatically generated by configure - do not modify!
2924 ifndef FFMPEG_CONFIG_MAK
2925 FFMPEG_CONFIG_MAK=1
2926 FFMPEG_CONFIGURATION=$FFMPEG_CONFIGURATION
2927 prefix=$prefix
2928 LIBDIR=\$(DESTDIR)$libdir
2929 SHLIBDIR=\$(DESTDIR)$shlibdir
2930 INCDIR=\$(DESTDIR)$incdir
2931 BINDIR=\$(DESTDIR)$bindir
2932 DATADIR=\$(DESTDIR)$datadir
2933 MANDIR=\$(DESTDIR)$mandir
2934 SRC_PATH="$source_path"
2935 SRC_PATH_BARE=$source_path
2936 BUILD_ROOT="$PWD"
2937 ARCH=$arch
2938 CC=$cc
2939 AS=$as
2940 LD=$ld
2941 DEPCC=$dep_cc
2942 YASM=$yasmexe
2943 AR=$ar
2944 RANLIB=$ranlib
2945 LN_S=$ln_s
2946 STRIP=$strip
2947 CPPFLAGS=$CPPFLAGS
2948 CFLAGS=$CFLAGS
2949 ASFLAGS=$ASFLAGS
2950 CC_O=$CC_O
2951 LDFLAGS=$LDFLAGS
2952 FFSERVERLDFLAGS=$FFSERVERLDFLAGS
2953 SHFLAGS=$SHFLAGS
2954 YASMFLAGS=$YASMFLAGS
2955 BUILDSUF=$build_suffix
2956 FULLNAME=$FULLNAME
2957 LIBPREF=$LIBPREF
2958 LIBSUF=$LIBSUF
2959 LIBNAME=$LIBNAME
2960 SLIBPREF=$SLIBPREF
2961 SLIBSUF=$SLIBSUF
2962 EXESUF=$EXESUF
2963 EXTRA_VERSION=$extra_version
2964 DEPFLAGS=$DEPFLAGS
2965 CCDEP=$CCDEP
2966 ASDEP=$ASDEP
2967 CC_DEPFLAGS=$CC_DEPFLAGS
2968 AS_DEPFLAGS=$AS_DEPFLAGS
2969 HOSTCC=$host_cc
2970 HOSTCFLAGS=$host_cflags
2971 HOSTEXESUF=$HOSTEXESUF
2972 HOSTLDFLAGS=$host_ldflags
2973 HOSTLIBS=$host_libs
2974 TARGET_EXEC=$target_exec
2975 TARGET_PATH=$target_path
2976 SDL_LIBS=$sdl_libs
2977 SDL_CFLAGS=$sdl_cflags
2978 LIB_INSTALL_EXTRA_CMD=$LIB_INSTALL_EXTRA_CMD
2979 EXTRALIBS=$extralibs
2980 EOF
2981
2982 get_version(){
2983     name=$1
2984     file=$source_path/$2
2985     eval $(grep "#define ${name}_VERSION_M" "$file" | awk '{ print $2"="$3 }')
2986     eval ${name}_VERSION=\$${name}_VERSION_MAJOR.\$${name}_VERSION_MINOR.\$${name}_VERSION_MICRO
2987     lcname=$(tolower $name)
2988     eval echo "${lcname}_VERSION=\$${name}_VERSION" >> config.mak
2989     eval echo "${lcname}_VERSION_MAJOR=\$${name}_VERSION_MAJOR" >> config.mak
2990 }
2991
2992 get_version LIBSWSCALE  libswscale/swscale.h
2993 get_version LIBPOSTPROC libpostproc/postprocess.h
2994 get_version LIBAVCODEC  libavcodec/avcodec.h
2995 get_version LIBAVDEVICE libavdevice/avdevice.h
2996 get_version LIBAVFORMAT libavformat/avformat.h
2997 get_version LIBAVUTIL   libavutil/avutil.h
2998 get_version LIBAVFILTER libavfilter/avfilter.h
2999
3000 enabled shared && cat >> config.mak <<EOF
3001 LIBTARGET=${LIBTARGET}
3002 SLIBNAME=${SLIBNAME}
3003 SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}
3004 SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}
3005 SLIB_CREATE_DEF_CMD=${SLIB_CREATE_DEF_CMD}
3006 SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}
3007 SLIB_INSTALL_EXTRA_CMD=${SLIB_INSTALL_EXTRA_CMD}
3008 SLIB_UNINSTALL_EXTRA_CMD=${SLIB_UNINSTALL_EXTRA_CMD}
3009 EOF
3010
3011 enabled asmalign_pot || align_shift="1 <<"
3012
3013 cat > $TMPH <<EOF
3014 /* Automatically generated by configure - do not modify! */
3015 #ifndef FFMPEG_CONFIG_H
3016 #define FFMPEG_CONFIG_H
3017 #define FFMPEG_CONFIGURATION "$(c_escape $FFMPEG_CONFIGURATION)"
3018 #define FFMPEG_LICENSE "$(c_escape $license)"
3019 #define FFMPEG_DATADIR "$(eval c_escape $datadir)"
3020 #define CC_TYPE "$cc_type"
3021 #define CC_VERSION $cc_version
3022 #define restrict $_restrict
3023 #define ASMALIGN(ZEROBITS) ".align $align_shift " #ZEROBITS "\\n\\t"
3024 #define EXTERN_PREFIX "${extern_prefix}"
3025 #define EXTERN_ASM ${extern_prefix}
3026 EOF
3027
3028 test -n "$malloc_prefix" &&
3029     echo "#define MALLOC_PREFIX $malloc_prefix" >>$TMPH
3030
3031 if enabled small || disabled optimizations; then
3032     echo "#define av_always_inline"  >> $TMPH
3033 fi
3034
3035 print_config ARCH_   $TMPH config.mak $ARCH_LIST
3036 print_config HAVE_   $TMPH config.mak $HAVE_LIST
3037 print_config CONFIG_ $TMPH config.mak $CONFIG_LIST       \
3038                                       $CONFIG_EXTRA      \
3039                                       $DECODER_LIST      \
3040                                       $ENCODER_LIST      \
3041                                       $HWACCEL_LIST      \
3042                                       $PARSER_LIST       \
3043                                       $BSF_LIST          \
3044                                       $DEMUXER_LIST      \
3045                                       $MUXER_LIST        \
3046                                       $FILTER_LIST       \
3047                                       $PROTOCOL_LIST     \
3048                                       $INDEV_LIST        \
3049                                       $OUTDEV_LIST       \
3050
3051 echo "#endif /* FFMPEG_CONFIG_H */" >> $TMPH
3052 echo "endif # FFMPEG_CONFIG_MAK" >> config.mak
3053
3054 # Do not overwrite an unchanged config.h to avoid superfluous rebuilds.
3055 cp_if_changed $TMPH config.h
3056
3057 cat > $TMPH <<EOF
3058 /* Generated by ffconf */
3059 #ifndef AVUTIL_AVCONFIG_H
3060 #define AVUTIL_AVCONFIG_H
3061 EOF
3062
3063 print_config AV_HAVE_ $TMPH /dev/null $HAVE_LIST_PUB
3064
3065 echo "#endif /* AVUTIL_AVCONFIG_H */" >> $TMPH
3066
3067 cp_if_changed $TMPH libavutil/avconfig.h
3068
3069 # build pkg-config files
3070
3071 pkgconfig_generate(){
3072 name=$1
3073 shortname=${name#lib}${build_suffix}
3074 comment=$2
3075 version=$3
3076 libs=$4
3077 requires=$5
3078 cat <<EOF > $name/$name.pc
3079 prefix=$prefix
3080 exec_prefix=\${prefix}
3081 libdir=$libdir
3082 includedir=$incdir
3083
3084 Name: $name
3085 Description: $comment
3086 Version: $version
3087 Requires: $(enabled shared || echo $requires)
3088 Requires.private: $(enabled shared && echo $requires)
3089 Conflicts:
3090 Libs: -L\${libdir} -l${shortname} $(enabled shared || echo $libs)
3091 Libs.private: $(enabled shared && echo $libs)
3092 Cflags: -I\${includedir}
3093 EOF
3094 cat <<EOF > $name/$name-uninstalled.pc
3095 prefix=
3096 exec_prefix=
3097 libdir=\${pcfiledir}
3098 includedir=${source_path}
3099
3100 Name: $name
3101 Description: $comment
3102 Version: $version
3103 Requires: $requires
3104 Conflicts:
3105 Libs: \${libdir}/${LIBPREF}${shortname}${LIBSUF} $libs
3106 Cflags: -I\${includedir}
3107 EOF
3108 }
3109
3110 pkgconfig_generate libavutil "FFmpeg utility library" "$LIBAVUTIL_VERSION"
3111 pkgconfig_generate libavcodec "FFmpeg codec library" "$LIBAVCODEC_VERSION" "$extralibs" "libavutil = $LIBAVUTIL_VERSION"
3112 pkgconfig_generate libavformat "FFmpeg container format library" "$LIBAVFORMAT_VERSION" "$extralibs" "libavcodec = $LIBAVCODEC_VERSION"
3113 pkgconfig_generate libavdevice "FFmpeg device handling library" "$LIBAVDEVICE_VERSION" "$extralibs" "libavformat = $LIBAVFORMAT_VERSION"
3114 enabled avfilter &&
3115     pkgconfig_generate libavfilter "FFmpeg video filtering library" "$LIBAVFILTER_VERSION" "$extralibs" "libavutil = $LIBAVUTIL_VERSION"
3116 enabled postproc &&
3117     pkgconfig_generate libpostproc "FFmpeg post processing library" "$LIBPOSTPROC_VERSION"
3118 pkgconfig_generate libswscale "FFmpeg image rescaling library" "$LIBSWSCALE_VERSION" "" "libavutil = $LIBAVUTIL_VERSION"