configure

   1 #!/bin/sh
   2 #
   3 # FFmpeg configure script
   4 #
   5 # Copyright (c) 2000-2002 Fabrice Bellard
   6 # Copyright (c) 2005-2008 Diego Biurrun
   7 # Copyright (c) 2005-2008 Mans Rullgard
   8 #
   9
  10 # Prevent locale nonsense from breaking basic text processing.
  11 LC_ALL=C
  12 export LC_ALL
  13
  14 # make sure we are running under a compatible shell
  15 # try to make this part work with most shells
  16
  17 try_exec(){
  18     echo "Trying shell $1"
  19     type "$1" > /dev/null 2>&1 && exec "$@"
  20 }
  21
  22 unset foo
  23 (: ${foo%%bar}) 2> /dev/null
  24 E1="$?"
  25
  26 (: ${foo?}) 2> /dev/null
  27 E2="$?"
  28
  29 if test "$E1" != 0 || test "$E2" = 0; then
  30     echo "Broken shell detected.  Trying alternatives."
  31     export FF_CONF_EXEC
  32     if test "0$FF_CONF_EXEC" -lt 1; then
  33         FF_CONF_EXEC=1
  34         try_exec bash "$0" "$@"
  35     fi
  36     if test "0$FF_CONF_EXEC" -lt 2; then
  37         FF_CONF_EXEC=2
  38         try_exec ksh "$0" "$@"
  39     fi
  40     if test "0$FF_CONF_EXEC" -lt 3; then
  41         FF_CONF_EXEC=3
  42         try_exec /usr/xpg4/bin/sh "$0" "$@"
  43     fi
  44     echo "No compatible shell script interpreter found."
  45     echo "This configure script requires a POSIX-compatible shell"
  46     echo "such as bash or ksh."
  47     echo "THIS IS NOT A BUG IN FFMPEG, DO NOT REPORT IT AS SUCH."
  48     echo "Instead, install a working POSIX-compatible shell."
  49     echo "Disabling this configure test will create a broken FFmpeg."
  50     if test "$BASH_VERSION" = '2.04.0(1)-release'; then
  51         echo "This bash version ($BASH_VERSION) is broken on your platform."
  52         echo "Upgrade to a later version if available."
  53     fi
  54     exit 1
  55 fi
  56
  57 show_help(){
  58   echo "Usage: configure [options]"
  59   echo "Options: [defaults in brackets after descriptions]"
  60   echo
  61   echo "Standard options:"
  62   echo "  --help                   print this message"
  63   echo "  --logfile=FILE           log tests and output to FILE [config.err]"
  64   echo "  --disable-logging        do not log configure debug information"
  65   echo "  --prefix=PREFIX          install in PREFIX [$prefix]"
  66   echo "  --bindir=DIR             install binaries in DIR [PREFIX/bin]"
  67   echo "  --libdir=DIR             install libs in DIR [PREFIX/lib]"
  68   echo "  --shlibdir=DIR           install shared libs in DIR [PREFIX/lib]"
  69   echo "  --incdir=DIR             install includes in DIR [PREFIX/include]"
  70   echo "  --mandir=DIR             install man page in DIR [PREFIX/share/man]"
  71   echo "  --enable-static          build static libraries [yes]"
  72   echo "  --disable-static         do not build static libraries [no]"
  73   echo "  --enable-shared          build shared libraries [no]"
  74   echo "  --disable-shared         do not build shared libraries [yes]"
  75   echo "  --enable-gpl             allow use of GPL code, the resulting libs"
  76   echo "                           and binaries will be under GPL [no]"
  77   echo "  --enable-nonfree         allow use of nonfree code, the resulting libs"
  78   echo "                           and binaries will be unredistributable [no]"
  79   echo "  --enable-postproc        enable GPLed postprocessing support [no]"
  80   echo "  --enable-swscale         enable GPLed software scaler support [no]"
  81   echo "  --enable-avfilter        video filter support (replaces vhook) [no]"
  82   echo "  --enable-avfilter-lavf   video filters dependent on avformat [no]"
  83   echo "  --disable-vhook          disable video hooking support"
  84   echo "  --enable-beosthreads     use BeOS threads [no]"
  85   echo "  --enable-os2threads      use OS/2 threads [no]"
  86   echo "  --enable-pthreads        use pthreads [no]"
  87   echo "  --enable-vdpau           enable VDPAU support [no]"
  88   echo "  --enable-w32threads      use Win32 threads [no]"
  89   echo "  --enable-x11grab         enable X11 grabbing [no]"
  90   echo "  --enable-xvmc            enable XvMC support [no]"
  91   echo
  92   echo "External library support:"
  93   echo "  --enable-mlib            enable Sun medialib [no]"
  94   echo "  --enable-avisynth        enable reading of AVISynth script files [no]"
  95   echo "  --enable-bzlib           enable bzlib [autodetect]"
  96   echo "  --enable-libamr-nb       enable libamr-nb floating point audio codec [no]"
  97   echo "  --enable-libamr-wb       enable libamr-wb floating point audio codec [no]"
  98   echo "  --enable-libdc1394       enable IIDC-1394 grabbing using libdc1394"
  99   echo "                           and libraw1394 [no]"
 100   echo "  --enable-libdirac        enable Dirac support via libdirac [no]"
 101   echo "  --enable-libfaac         enable FAAC support via libfaac [no]"
 102   echo "  --enable-libfaad         enable FAAD support via libfaad [no]"
 103   echo "  --enable-libfaadbin      open libfaad.so.0 at runtime [no]"
 104   echo "  --enable-libgsm          enable GSM support via libgsm [no]"
 105   echo "  --enable-libmp3lame      enable MP3 encoding via libmp3lame [no]"
 106   echo "  --enable-libnut          enable NUT (de)muxing via libnut,"
 107   echo "                           native (de)muxer exists [no]"
 108   echo "  --enable-libschroedinger enable Dirac support via libschroedinger [no]"
 109   echo "  --enable-libspeex        enable Speex decoding via libspeex [no]"
 110   echo "  --enable-libtheora       enable Theora encoding via libtheora [no]"
 111   echo "  --enable-libvorbis       enable Vorbis encoding via libvorbis,"
 112   echo "                           native implementation exists [no]"
 113   echo "  --enable-libx264         enable H.264 encoding via x264 [no]"
 114   echo "  --enable-libxvid         enable Xvid encoding via xvidcore,"
 115   echo "                           native MPEG-4/Xvid encoder exists [no]"
 116   echo "  --enable-zlib            enable zlib [autodetect]"
 117   echo ""
 118   echo "Advanced options (experts only):"
 119   echo "  --source-path=PATH       path to source code [$source_path]"
 120   echo "  --cross-prefix=PREFIX    use PREFIX for compilation tools [$cross_prefix]"
 121   echo "  --enable-cross-compile   assume a cross-compiler is used"
 122   echo "  --target-os=OS           compiler targets OS [$target_os]"
 123   echo "  --target-exec=CMD        command to run executables on target"
 124   echo "  --target-path=DIR        path to view of build directory on target"
 125   echo "  --nm=NM                  use nm tool"
 126   echo "  --cc=CC                  use C compiler CC [$cc]"
 127   echo "  --host-cc=HOSTCC         use host C compiler HOSTCC"
 128   echo "  --host-cflags=HCFLAGS    use HCFLAGS when compiling for host"
 129   echo "  --host-ldflags=HLDFLAGS  use HLDFLAGS when linking for host"
 130   echo "  --host-libs=HLIBS        use libs HLIBS when linking for host"
 131   echo "  --extra-cflags=ECFLAGS   add ECFLAGS to CFLAGS [$CFLAGS]"
 132   echo "  --extra-ldflags=ELDFLAGS add ELDFLAGS to LDFLAGS [$LDFLAGS]"
 133   echo "  --extra-libs=ELIBS       add ELIBS [$ELIBS]"
 134   echo "  --extra-version=STRING   version string suffix []"
 135   echo "  --build-suffix=SUFFIX    library name suffix []"
 136   echo "  --arch=ARCH              select architecture [$arch]"
 137   echo "  --cpu=CPU                select the minimum required CPU (affects"
 138   echo "                           instruction selection, may crash on older CPUs)"
 139   echo "  --enable-powerpc-perf    enable performance report on PPC"
 140   echo "                           (requires enabling PMC)"
 141   echo "  --disable-altivec        disable AltiVec optimizations"
 142   echo "  --disable-mmx            disable MMX optimizations"
 143   echo "  --disable-mmx2           disable MMX2 optimizations"
 144   echo "  --disable-ssse3          disable SSSE3 optimizations"
 145   echo "  --disable-armv5te        disable armv5te optimizations"
 146   echo "  --disable-armv6          disable armv6 optimizations"
 147   echo "  --disable-armvfp         disable ARM VFP optimizations"
 148   echo "  --disable-iwmmxt         disable iwmmxt optimizations"
 149   echo "  --disable-mmi            disable MMI optimizations"
 150   echo "  --disable-neon           disable neon optimizations"
 151   echo "  --disable-vis            disable VIS optimizations"
 152   echo "  --disable-network        disable network support [no]"
 153   echo "  --disable-ipv6           disable IPv6 support [no]"
 154   echo "  --disable-mpegaudio-hp   faster (but less accurate)"
 155   echo "                           MPEG audio decoding [no]"
 156   echo "  --disable-aandct         disable AAN DCT code"
 157   echo "  --disable-fft            disable FFT code"
 158   echo "  --disable-golomb         disable Golomb code"
 159   echo "  --disable-mdct           disable MDCT code"
 160   echo "  --enable-gray            enable full grayscale support (slower color)"
 161   echo "  --disable-ffmpeg         disable ffmpeg build"
 162   echo "  --disable-ffplay         disable ffplay build"
 163   echo "  --disable-ffserver       disable ffserver build"
 164   echo "  --enable-small           optimize for size instead of speed"
 165   echo "  --enable-hardcoded-tables use hardcoded tables instead of runtime generation"
 166   echo "  --enable-memalign-hack   emulate memalign, interferes with memory debuggers"
 167   echo "  --enable-beos-netserver  enable BeOS netserver"
 168   echo "  --disable-encoder=NAME   disable encoder NAME"
 169   echo "  --enable-encoder=NAME    enable encoder NAME"
 170   echo "  --disable-encoders       disable all encoders"
 171   echo "  --disable-decoder=NAME   disable decoder NAME"
 172   echo "  --enable-decoder=NAME    enable decoder NAME"
 173   echo "  --disable-decoders       disable all decoders"
 174   echo "  --disable-muxer=NAME     disable muxer NAME"
 175   echo "  --enable-muxer=NAME      enable muxer NAME"
 176   echo "  --disable-muxers         disable all muxers"
 177   echo "  --disable-demuxer=NAME   disable demuxer NAME"
 178   echo "  --enable-demuxer=NAME    enable demuxer NAME"
 179   echo "  --disable-demuxers       disable all demuxers"
 180   echo "  --enable-parser=NAME     enable parser NAME"
 181   echo "  --disable-parser=NAME    disable parser NAME"
 182   echo "  --disable-parsers        disable all parsers"
 183   echo "  --enable-bsf=NAME        enable bitstream filter NAME"
 184   echo "  --disable-bsf=NAME       disable bitstream filter NAME"
 185   echo "  --disable-bsfs           disable all bitstream filters"
 186   echo "  --enable-protocol=NAME   enable protocol NAME"
 187   echo "  --disable-protocol=NAME  disable protocol NAME"
 188   echo "  --disable-protocols      disable all protocols"
 189   echo "  --disable-indevs         disable input devices"
 190   echo "  --disable-outdevs        disable output devices"
 191   echo "  --disable-devices        disable all devices"
 192   echo "  --enable-filter=NAME     enable filter NAME"
 193   echo "  --disable-filter=NAME    disable filter NAME"
 194   echo "  --disable-filters        disable all filters"
 195   echo "  --list-decoders          show all available decoders"
 196   echo "  --list-encoders          show all available encoders"
 197   echo "  --list-muxers            show all available muxers"
 198   echo "  --list-demuxers          show all available demuxers"
 199   echo "  --list-parsers           show all available parsers"
 200   echo "  --list-protocols         show all available protocols"
 201   echo "  --list-bsfs              show all available bitstream filters"
 202   echo "  --list-indevs            show all available input devices"
 203   echo "  --list-outdevs           show all available output devices"
 204   echo "  --list-filters           show all available filters"
 205   echo
 206   echo "Developer options (useful when working on FFmpeg itself):"
 207   echo "  --disable-debug          disable debugging symbols"
 208   echo "  --enable-debug=LEVEL     set the debug level [$debuglevel]"
 209   echo "  --enable-gprof           enable profiling with gprof [$gprof]"
 210   echo "  --disable-optimizations  disable compiler optimizations"
 211   echo "  --enable-extra-warnings  enable more compiler warnings"
 212   echo "  --disable-stripping      disable stripping of executables and shared libraries"
 213   echo ""
 214   echo "NOTE: Object files are built at the place where configure is launched."
 215   exit 0
 216 }
 217
 218 log(){
 219     echo "$@" >> $logfile
 220 }
 221
 222 log_file(){
 223     log BEGIN $1
 224     pr -n -t $1 >> $logfile
 225     log END $1
 226 }
 227
 228 echolog(){
 229     log "$@"
 230     echo "$@"
 231 }
 232
 233 die(){
 234     echolog "$@"
 235     cat <<EOF
 236 If you think configure made a mistake, make sure you are using the latest
 237 version from SVN.  If the latest version fails, report the problem to the
 238 ffmpeg-user@mplayerhq.hu mailing list or IRC #ffmpeg on irc.freenode.net.
 239 EOF
 240     if disabled logging; then
 241         cat <<EOF
 242 Rerun configure with logging enabled (do not use --disable-logging), and
 243 include the log this produces with your report.
 244 EOF
 245     else
 246 cat <<EOF
 247 Include the log file "$logfile" produced by configure as this will help
 248 solving the problem.
 249 EOF
 250     fi
 251     rm -f $TMPC $TMPE $TMPH $TMPO $TMPS $TMPSH
 252     exit 1
 253 }
 254
 255 # Avoid locale weirdness, besides we really just want to translate ASCII.
 256 toupper(){
 257     echo "$@" | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ
 258 }
 259
 260 tolower(){
 261     echo "$@" | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz
 262 }
 263
 264 set_all(){
 265     value=$1
 266     shift
 267     for var in $*; do
 268         eval $var=$value
 269     done
 270 }
 271
 272 set_weak(){
 273     value=$1
 274     shift
 275     for var; do
 276         eval : \${$var:=$value}
 277     done
 278 }
 279
 280 pushvar(){
 281     for var in $*; do
 282         eval level=\${${var}_level:=0}
 283         eval ${var}_${level}="\$$var"
 284         eval ${var}_level=$(($level+1))
 285     done
 286 }
 287
 288 popvar(){
 289     for var in $*; do
 290         eval level=\${${var}_level:-0}
 291         test $level = 0 && continue
 292         eval level=$(($level-1))
 293         eval $var="\${${var}_${level}}"
 294         eval ${var}_level=$level
 295         eval unset ${var}_${level}
 296     done
 297 }
 298
 299 enable(){
 300     set_all yes $*
 301 }
 302
 303 disable(){
 304     set_all no $*
 305 }
 306
 307 enable_weak(){
 308     set_weak yes $*
 309 }
 310
 311 disable_weak(){
 312     set_weak no $*
 313 }
 314
 315 do_enable_deep(){
 316     for var; do
 317         enabled $var && continue
 318         eval sel="\$${var}_select"
 319         eval sgs="\$${var}_suggest"
 320         pushvar var sgs
 321         enable_deep $sel
 322         popvar sgs
 323         enable_deep_weak $sgs
 324         popvar var
 325     done
 326 }
 327
 328 enable_deep(){
 329     do_enable_deep $*
 330     enable $*
 331 }
 332
 333 enable_deep_weak(){
 334     do_enable_deep $*
 335     enable_weak $*
 336 }
 337
 338 enabled(){
 339     test "${1#!}" = "$1" && op== || op=!=
 340     eval test "x\$${1#!}" $op "xyes"
 341 }
 342
 343 disabled(){
 344     test "${1#!}" = "$1" && op== || op=!=
 345     eval test "x\$${1#!}" $op "xno"
 346 }
 347
 348 enabled_all(){
 349     for opt; do
 350         enabled $opt || return 1
 351     done
 352 }
 353
 354 disabled_all(){
 355     for opt; do
 356         disabled $opt || return 1
 357     done
 358 }
 359
 360 enabled_any(){
 361     for opt; do
 362         enabled $opt && return 0
 363     done
 364 }
 365
 366 disabled_any(){
 367     for opt; do
 368         disabled $opt && return 0
 369     done
 370     return 1
 371 }
 372
 373 set_default(){
 374     for opt; do
 375         eval : \${$opt:=\$${opt}_default}
 376     done
 377 }
 378
 379 is_in(){
 380     value=$1
 381     shift
 382     for var in $*; do
 383         [ $var = $value ] && return 0
 384     done
 385     return 1
 386 }
 387
 388 check_deps(){
 389     for cfg; do
 390         cfg="${cfg#!}"
 391         enabled ${cfg}_checking && die "Circular dependency for $cfg."
 392         disabled ${cfg}_checking && continue
 393         enable ${cfg}_checking
 394
 395         eval dep_all="\$${cfg}_deps"
 396         eval dep_any="\$${cfg}_deps_any"
 397         eval dep_sel="\$${cfg}_select"
 398         eval dep_sgs="\$${cfg}_suggest"
 399
 400         pushvar cfg dep_all dep_any dep_sel dep_sgs
 401         check_deps $dep_all $dep_any $dep_sel $dep_sgs
 402         popvar cfg dep_all dep_any dep_sel dep_sgs
 403
 404         enabled_all  $dep_all || disable $cfg
 405         enabled_any  $dep_any || disable $cfg
 406         disabled_any $dep_sel && disable $cfg
 407
 408         if enabled $cfg; then
 409             eval dep_extralibs="\$${cfg}_extralibs"
 410             test -n "$dep_extralibs" && add_extralibs $dep_extralibs
 411             enable_deep $dep_sel
 412             enable_deep_weak $dep_sgs
 413         fi
 414
 415         disable ${cfg}_checking
 416     done
 417 }
 418
 419 print_config(){
 420     pfx=$1
 421     header=$2
 422     makefile=$3
 423     shift 3
 424     for cfg; do
 425         ucname="`toupper $cfg`"
 426         if enabled $cfg; then
 427             echo "#define ${pfx}${ucname} 1" >> $header
 428             echo "#define ENABLE_${ucname} 1" >> $header
 429             echo "${pfx}${ucname}=yes" >> $makefile
 430         else
 431             echo "#define ENABLE_${ucname} 0" >> $header
 432         fi
 433     done
 434 }
 435
 436 flags_saved(){
 437     (: ${SAVE_CFLAGS?}) 2> /dev/null
 438 }
 439
 440 save_flags(){
 441     flags_saved && return
 442     SAVE_CFLAGS="$CFLAGS"
 443     SAVE_LDFLAGS="$LDFLAGS"
 444     SAVE_extralibs="$extralibs"
 445 }
 446
 447 restore_flags(){
 448     flags_saved || return
 449     CFLAGS="$SAVE_CFLAGS"
 450     LDFLAGS="$SAVE_LDFLAGS"
 451     extralibs="$SAVE_extralibs"
 452     unset SAVE_CFLAGS
 453     unset SAVE_LDFLAGS
 454     unset SAVE_extralibs
 455 }
 456
 457 temp_cflags(){
 458     save_flags
 459     CFLAGS="$CFLAGS $*"
 460 }
 461
 462 temp_ldflags(){
 463     save_flags
 464     LDFLAGS="$LDFLAGS $*"
 465 }
 466
 467 temp_extralibs(){
 468     save_flags
 469     extralibs="$extralibs $*"
 470 }
 471
 472 append(){
 473     var=$1
 474     shift
 475     flags_saved && eval "SAVE_$var=\"\$SAVE_$var $*\""
 476     eval "$var=\"\$$var $*\""
 477 }
 478
 479 add_cflags(){
 480     append CFLAGS "$@"
 481 }
 482
 483 add_ldflags(){
 484     append LDFLAGS "$@"
 485 }
 486
 487 add_extralibs(){
 488     append extralibs "$@"
 489 }
 490
 491 check_cmd(){
 492     log "$@"
 493     "$@" >> $logfile 2>&1
 494 }
 495
 496 check_cc(){
 497     log check_cc "$@"
 498     cat > $TMPC
 499     log_file $TMPC
 500     check_cmd $cc $CFLAGS "$@" -c -o $TMPO $TMPC
 501 }
 502
 503 check_cpp(){
 504     log check_cpp "$@"
 505     cat > $TMPC
 506     log_file $TMPC
 507     check_cmd $cc $CFLAGS "$@" -E -o $TMPO $TMPC
 508 }
 509
 510 check_asm(){
 511     log check_asm "$@"
 512     name="$1"
 513     asm="$2"
 514     shift 2
 515     check_cc "$@" <<EOF && enable $name || disable $name
 516 void foo(void){ __asm__ volatile($asm); }
 517 EOF
 518 }
 519
 520 check_yasm(){
 521     log check_yasm "$@"
 522     echo "$1" > $TMPS
 523     log_file $TMPS
 524     shift 1
 525     check_cmd $yasmexe $YASMFLAGS "$@" -o $TMPO $TMPS
 526 }
 527
 528 check_ld(){
 529     log check_ld "$@"
 530     check_cc || return
 531     flags=''
 532     libs=''
 533     for f; do
 534         test "${f}" = "${f#-l}" && flags="$flags $f" || libs="$libs $f"
 535     done
 536     check_cmd $cc $LDFLAGS $flags -o $TMPE $TMPO $extralibs $libs
 537 }
 538
 539 check_cflags(){
 540     log check_cflags "$@"
 541     check_cc "$@" <<EOF && add_cflags "$@"
 542 int x;
 543 EOF
 544 }
 545
 546 check_ldflags(){
 547     log check_ldflags "$@"
 548     check_ld "$@" <<EOF && add_ldflags "$@"
 549 int main(void){ return 0; }
 550 EOF
 551 }
 552
 553 check_header(){
 554     log check_header "$@"
 555     header=$1
 556     shift
 557     var=`echo $header | sed 's/[^A-Za-z0-9_]/_/g'`
 558     disable $var
 559     check_cpp "$@" <<EOF && enable $var
 560 #include <$header>
 561 int x;
 562 EOF
 563 }
 564
 565 check_func(){
 566     log check_func "$@"
 567     func=$1
 568     shift
 569     disable $func
 570     check_ld "$@" <<EOF && enable $func
 571 extern int $func();
 572 int main(void){ $func(); }
 573 EOF
 574 }
 575
 576 check_func_headers(){
 577     log check_func_headers "$@"
 578     headers=$1
 579     func=$2
 580     shift 2
 581     disable $func
 582     incs=""
 583     for hdr in $headers; do
 584         incs="$incs
 585 #include <$hdr>"
 586     done
 587     check_ld "$@" <<EOF && enable $func
 588 $incs
 589 int main(int argc, char **argv){
 590     (void) $func;
 591     return 0;
 592 }
 593 EOF
 594 }
 595
 596 check_cpp_condition(){
 597     log check_cpp_condition "$@"
 598     header=$1
 599     condition=$2
 600     check_cpp <<EOF
 601 #include <$header>
 602 #if !($condition)
 603 #error "unsatisfied condition: $condition"
 604 #endif
 605 EOF
 606 }
 607
 608 check_lib(){
 609     log check_lib "$@"
 610     header="$1"
 611     func="$2"
 612     shift 2
 613     temp_extralibs "$@"
 614     check_header $header && check_func $func && add_extralibs "$@"
 615     err=$?
 616     restore_flags
 617     return $err
 618 }
 619
 620 check_lib2(){
 621     log check_lib2 "$@"
 622     headers="$1"
 623     func="$2"
 624     shift 2
 625     temp_extralibs "$@"
 626     check_func_headers "$headers" $func && add_extralibs "$@"
 627     err=$?
 628     restore_flags
 629     return $err
 630 }
 631
 632 check_exec(){
 633     check_ld "$@" && { enabled cross_compile || $TMPE >> $logfile 2>&1; }
 634 }
 635
 636 check_exec_crash(){
 637     code=`cat`
 638
 639     # exit() is not async signal safe.  _Exit (C99) and _exit (POSIX)
 640     # are safe but may not be available everywhere.  Thus we use
 641     # raise(SIGTERM) instead.  The check is run in a subshell so we
 642     # can redirect the "Terminated" message from the shell.  SIGBUS
 643     # is not defined by standard C so it is used conditionally.
 644
 645     (check_exec "$@") >> $logfile 2>&1 <<EOF
 646 #include <signal.h>
 647 static void sighandler(int sig){
 648     raise(SIGTERM);
 649 }
 650 int main(void){
 651     signal(SIGILL, sighandler);
 652     signal(SIGFPE, sighandler);
 653     signal(SIGSEGV, sighandler);
 654 #ifdef SIGBUS
 655     signal(SIGBUS, sighandler);
 656 #endif
 657     { $code }
 658 }
 659 EOF
 660 }
 661
 662 check_type(){
 663     log check_type "$@"
 664     headers=$1
 665     type=$2
 666     shift 2
 667     disable $type
 668     incs=""
 669     for hdr in $headers; do
 670         incs="$incs
 671 #include <$hdr>"
 672     done
 673     check_cc "$@" <<EOF && enable $type
 674 $incs
 675 $type v;
 676 EOF
 677 }
 678
 679 require(){
 680     name="$1"
 681     header="$2"
 682     func="$3"
 683     shift 3
 684     check_lib $header $func "$@" || die "ERROR: $name not found"
 685 }
 686
 687 require2(){
 688     name="$1"
 689     headers="$2"
 690     func="$3"
 691     shift 3
 692     check_lib2 "$headers" $func "$@" || die "ERROR: $name not found"
 693 }
 694
 695 check_foo_config(){
 696     cfg=$1
 697     pkg=$2
 698     header=$3
 699     func=$4
 700     shift 4
 701     disable $cfg
 702     check_cmd ${pkg}-config --version
 703     err=$?
 704     if test "$err" = 0; then
 705         temp_cflags `${pkg}-config --cflags`
 706         temp_extralibs `${pkg}-config --libs`
 707         check_lib "$@" $header $func && enable $cfg
 708     fi
 709     return $err
 710 }
 711
 712 apply(){
 713     file=$1
 714     shift
 715     "$@" < "$file" > "$file.tmp" && mv "$file.tmp" "$file" || rm "$file.tmp"
 716 }
 717
 718 # CONFIG_LIST contains configurable options, while HAVE_LIST is for
 719 # system-dependent things.
 720
 721 COMPONENT_LIST="
 722     bsfs
 723     decoders
 724     demuxers
 725     encoders
 726     filters
 727     indevs
 728     muxers
 729     outdevs
 730     parsers
 731     protocols
 732 "
 733
 734 CONFIG_LIST="
 735     $COMPONENT_LIST
 736     aandct
 737     avfilter
 738     avfilter_lavf
 739     avisynth
 740     beos_netserver
 741     bzlib
 742     ffmpeg
 743     ffplay
 744     ffserver
 745     fft
 746     golomb
 747     gpl
 748     gprof
 749     gray
 750     hardcoded_tables
 751     ipv6
 752     libamr_nb
 753     libamr_wb
 754     libdc1394
 755     libdirac
 756     libfaac
 757     libfaad
 758     libfaadbin
 759     libgsm
 760     libmp3lame
 761     libnut
 762     libschroedinger
 763     libspeex
 764     libtheora
 765     libvorbis
 766     libx264
 767     libxvid
 768     mdct
 769     memalign_hack
 770     mlib
 771     mpegaudio_hp
 772     network
 773     nonfree
 774     postproc
 775     powerpc_perf
 776     shared
 777     small
 778     static
 779     swscale
 780     vdpau
 781     vhook
 782     x11grab
 783     xvmc
 784     zlib
 785 "
 786
 787 THREADS_LIST='
 788     beosthreads
 789     os2threads
 790     pthreads
 791     w32threads
 792 '
 793
 794 ARCH_LIST='
 795     alpha
 796     arm
 797     bfin
 798     ia64
 799     m68k
 800     mips
 801     parisc
 802     ppc
 803     s390
 804     sh4
 805     sparc
 806     sparc64
 807     x86
 808     x86_32
 809     x86_64
 810 '
 811
 812 ARCH_EXT_LIST='
 813     altivec
 814     armv5te
 815     armv6
 816     armv6t2
 817     armvfp
 818     iwmmxt
 819     mmi
 820     mmx
 821     mmx2
 822     neon
 823     ssse3
 824     vis
 825 '
 826
 827 HAVE_LIST="
 828     $ARCH_EXT_LIST
 829     $THREADS_LIST
 830     altivec_h
 831     arpa_inet_h
 832     bswap
 833     closesocket
 834     cmov
 835     conio_h
 836     dcbzl
 837     dev_bktr_ioctl_bt848_h
 838     dev_bktr_ioctl_meteor_h
 839     dev_ic_bt8xx_h
 840     dev_video_meteor_ioctl_meteor_h
 841     dev_video_bktr_ioctl_bt848_h
 842     dlfcn_h
 843     dlopen
 844     dos_paths
 845     ebp_available
 846     ebx_available
 847     fast_64bit
 848     fast_cmov
 849     fast_unaligned
 850     fork
 851     freetype2
 852     gethrtime
 853     GetProcessTimes
 854     getrusage
 855     ieee754_pun
 856     imlib2
 857     inet_aton
 858     inline_asm
 859     libdc1394_1
 860     libdc1394_2
 861     llrint
 862     lrint
 863     lrintf
 864     machine_ioctl_bt848_h
 865     machine_ioctl_meteor_h
 866     malloc_h
 867     memalign
 868     mkstemp
 869     pld
 870     ppc64
 871     round
 872     roundf
 873     sdl
 874     sdl_video_size
 875     socklen_t
 876     soundcard_h
 877     poll_h
 878     sys_mman_h
 879     sys_resource_h
 880     sys_select_h
 881     sys_soundcard_h
 882     sys_videoio_h
 883     termios_h
 884     threads
 885     winsock2_h
 886     yasm
 887 "
 888
 889 # options emitted with CONFIG_ prefix but not available on command line
 890 CONFIG_EXTRA="
 891     fft_mmx
 892     oldscaler
 893 "
 894
 895 CMDLINE_SELECT="
 896     $ARCH_EXT_LIST
 897     $CONFIG_LIST
 898     $THREADS_LIST
 899     cross_compile
 900     debug
 901     extra_warnings
 902     logging
 903     optimizations
 904     stripping
 905 "
 906
 907 PATHS_LIST='
 908     bindir
 909     incdir
 910     libdir
 911     mandir
 912     prefix
 913     shlibdir
 914 '
 915
 916 CMDLINE_SET="
 917     $PATHS_LIST
 918     arch
 919     build_suffix
 920     cc
 921     cpu
 922     cross_prefix
 923     extra_version
 924     host_cc
 925     host_cflags
 926     host_ldflags
 927     host_libs
 928     logfile
 929     nm
 930     source_path
 931     target_exec
 932     target_os
 933     target_path
 934 "
 935
 936 # code dependency declarations
 937
 938 # architecture extensions
 939 altivec_deps="ppc"
 940 armv5te_deps="arm"
 941 armv6_deps="arm"
 942 armv6t2_deps="arm"
 943 armvfp_deps="arm"
 944 iwmmxt_deps="arm"
 945 mmi_deps="mips"
 946 mmx_deps="x86"
 947 mmx2_deps="x86 mmx"
 948 neon_deps="arm"
 949 ssse3_deps="x86"
 950 vis_deps="sparc"
 951
 952 # common features
 953 fft_suggest="fft_mmx"
 954 fft_mmx_deps="mmx yasm"
 955 oldscaler_deps="!swscale"
 956
 957 # decoders / encoders
 958 aac_decoder_select="fft mdct"
 959 ac3_decoder_deps="gpl"
 960 ac3_decoder_select="fft mdct"
 961 atrac3_decoder_select="fft mdct"
 962 cavs_decoder_select="golomb"
 963 cook_decoder_select="fft mdct"
 964 cscd_decoder_suggest="zlib"
 965 dca_decoder_select="fft mdct"
 966 dnxhd_encoder_select="aandct"
 967 dxa_decoder_select="zlib"
 968 eac3_decoder_deps="gpl"
 969 eac3_decoder_select="fft mdct"
 970 eatgq_decoder_select="aandct"
 971 ffv1_decoder_select="golomb"
 972 flac_decoder_select="golomb"
 973 flac_encoder_select="golomb"
 974 flashsv_decoder_select="zlib"
 975 flashsv_encoder_select="zlib"
 976 flv_encoder_select="aandct"
 977 h261_encoder_select="aandct"
 978 h263_encoder_select="aandct"
 979 h263p_encoder_select="aandct"
 980 h264_decoder_select="golomb"
 981 h264_vdpau_decoder_deps="vdpau"
 982 imc_decoder_select="fft mdct"
 983 jpegls_decoder_select="golomb"
 984 jpegls_encoder_select="golomb"
 985 ljpeg_encoder_select="aandct"
 986 loco_decoder_select="golomb"
 987 mjpeg_encoder_select="aandct"
 988 mpeg1video_encoder_select="aandct"
 989 mpeg2video_encoder_select="aandct"
 990 mpeg4_encoder_select="aandct"
 991 mpeg_xvmc_decoder_deps="xvmc X11_extensions_XvMClib_h"
 992 msmpeg4v1_encoder_select="aandct"
 993 msmpeg4v2_encoder_select="aandct"
 994 msmpeg4v3_encoder_select="aandct"
 995 nellymoser_decoder_select="fft mdct"
 996 nellymoser_encoder_select="fft mdct"
 997 png_decoder_select="zlib"
 998 png_encoder_select="zlib"
 999 qdm2_decoder_select="fft mdct"
1000 rv10_encoder_select="aandct"
1001 rv20_encoder_select="aandct"
1002 shorten_decoder_select="golomb"
1003 sonic_decoder_select="golomb"
1004 sonic_encoder_select="golomb"
1005 sonic_ls_encoder_select="golomb"
1006 svq3_decoder_select="golomb"
1007 svq3_decoder_suggest="zlib"
1008 tiff_decoder_suggest="zlib"
1009 tiff_encoder_suggest="zlib"
1010 tscc_decoder_select="zlib"
1011 vorbis_decoder_select="fft mdct"
1012 vorbis_encoder_select="fft mdct"
1013 wmav1_decoder_select="fft mdct"
1014 wmav1_encoder_select="fft mdct"
1015 wmav2_decoder_select="fft mdct"
1016 wmav2_encoder_select="fft mdct"
1017 wmv1_encoder_select="aandct"
1018 wmv2_encoder_select="aandct"
1019 zlib_decoder_select="zlib"
1020 zlib_encoder_select="zlib"
1021 zmbv_decoder_select="zlib"
1022 zmbv_encoder_select="zlib"
1023
1024 # external libraries
1025 libamr_nb_decoder_deps="libamr_nb"
1026 libamr_nb_encoder_deps="libamr_nb"
1027 libamr_wb_decoder_deps="libamr_wb"
1028 libamr_wb_encoder_deps="libamr_wb"
1029 libdirac_decoder_deps="libdirac !libschroedinger"
1030 libdirac_encoder_deps="libdirac"
1031 libfaac_encoder_deps="libfaac"
1032 libfaad_decoder_deps="libfaad"
1033 libfaadbin_decoder_extralibs='$ldl'
1034 libgsm_decoder_deps="libgsm"
1035 libgsm_encoder_deps="libgsm"
1036 libgsm_ms_decoder_deps="libgsm"
1037 libgsm_ms_encoder_deps="libgsm"
1038 libmp3lame_encoder_deps="libmp3lame"
1039 libschroedinger_decoder_deps="libschroedinger"
1040 libschroedinger_encoder_deps="libschroedinger"
1041 libspeex_decoder_deps="libspeex"
1042 libtheora_encoder_deps="libtheora"
1043 libvorbis_encoder_deps="libvorbis"
1044 libx264_encoder_deps="libx264"
1045 libxvid_encoder_deps="libxvid"
1046 mpeg4aac_decoder_deps="libfaad"
1047 vdpau_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1048
1049 # demuxers / muxers
1050 ac3_demuxer_deps="ac3_parser"
1051 audio_beos_demuxer_deps="audio_beos"
1052 audio_beos_demuxer_extralibs="-lmedia -lbe"
1053 audio_beos_muxer_deps="audio_beos"
1054 audio_beos_muxer_extralibs="-lmedia -lbe"
1055 avisynth_demuxer_deps="avisynth"
1056 bktr_demuxer_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
1057 dirac_demuxer_deps="dirac_parser"
1058 dv1394_demuxer_deps="dv1394 dv_demuxer"
1059 libdc1394_demuxer_deps="libdc1394"
1060 libnut_demuxer_deps="libnut"
1061 libnut_muxer_deps="libnut"
1062 matroska_demuxer_suggest="zlib bzlib"
1063 mov_demuxer_suggest="zlib"
1064 mp3_demuxer_deps="mpegaudio_parser"
1065 oss_demuxer_deps_any="soundcard_h sys_soundcard_h"
1066 oss_muxer_deps_any="soundcard_h sys_soundcard_h"
1067 redir_demuxer_deps="network"
1068 rtp_muxer_deps="network rtp_protocol"
1069 rtsp_demuxer_deps="sdp_demuxer"
1070 sdp_demuxer_deps="rtp_protocol mpegts_demuxer"
1071 v4l_demuxer_deps="linux_videodev_h"
1072 v4l2_demuxer_deps_any="linux_videodev2_h sys_videoio_h"
1073 vfwcap_demuxer_deps="capCreateCaptureWindow"
1074 vfwcap_demuxer_extralibs="-lvfw32"
1075 x11_grab_device_demuxer_deps="x11grab XShmCreateImage"
1076 x11_grab_device_demuxer_extralibs="-lX11 -lXext"
1077
1078 # protocols
1079 http_protocol_deps="network"
1080 rtp_protocol_deps="udp_protocol"
1081 tcp_protocol_deps="network"
1082 udp_protocol_deps="network"
1083
1084 # filters
1085 movie_filter_deps="avfilter_lavf"
1086
1087 # programs
1088 ffplay_deps="sdl"
1089 ffserver_deps="ffm_muxer rtp_protocol rtsp_demuxer"
1090 ffserver_extralibs='$ldl'
1091 vhook_extralibs='$ldl'
1092
1093
1094 # default parameters
1095
1096 logfile="config.err"
1097
1098 # installation paths
1099 prefix_default="/usr/local"
1100 bindir_default='${prefix}/bin'
1101 incdir_default='${prefix}/include'
1102 libdir_default='${prefix}/lib'
1103 mandir_default='${prefix}/share/man'
1104 shlibdir_default="$libdir_default"
1105
1106 # toolchain
1107 cc_default="gcc"
1108 host_cc_default="gcc"
1109 yasmexe="yasm"
1110 ar="ar"
1111 nm_default="nm"
1112 ranlib="ranlib"
1113 strip="strip"
1114 ln_s="ln -sf"
1115 objformat="elf"
1116
1117 # machine
1118 arch=`uname -m`
1119 cpu="generic"
1120
1121 # OS
1122 target_os=$(tolower $(uname -s))
1123
1124 # configurable options
1125 enable debug
1126 enable ffmpeg
1127 enable ffplay
1128 enable ffserver
1129 enable ipv6
1130 enable mpegaudio_hp
1131 enable network
1132 enable oldscaler
1133 enable optimizations
1134 enable protocols
1135 enable static
1136 enable stripping
1137 vhook="default"
1138
1139 # build settings
1140 add_cflags -D_ISOC99_SOURCE -D_POSIX_C_SOURCE=200112
1141 SHFLAGS='-shared -Wl,-soname,$$(@F)'
1142 VHOOKSHFLAGS='$(SHFLAGS)'
1143 FFSERVERLDFLAGS=-Wl,-E
1144 LIBPREF="lib"
1145 LIBSUF=".a"
1146 FULLNAME='$(NAME)$(BUILDSUF)'
1147 LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
1148 SLIBPREF="lib"
1149 SLIBSUF=".so"
1150 SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
1151 SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
1152 SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
1153 LIB_INSTALL_EXTRA_CMD='$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
1154
1155 host_cflags='-O3 -g -Wall'
1156 host_libs='-lm'
1157
1158 target_path='.'
1159
1160 # gcc stupidly only outputs the basename of targets with -MM, but we need the
1161 # full relative path for objects in subdirectories for non-recursive Make.
1162 DEPEND_CMD='$(CC) $(CFLAGS) -MM -MG $< | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(*F)\\.o,$(@D)/$(*F).o," -e "s,\\([[:space:]]\\)\\(version\\.h\\),\\1\$$(BUILD_ROOT_REL)/\\2,"'
1163
1164 # find source path
1165 source_path="`dirname \"$0\"`"
1166 enable source_path_used
1167 if test -z "$source_path" -o "$source_path" = "." ; then
1168     source_path="`pwd`"
1169     disable source_path_used
1170 else
1171     source_path="`cd \"$source_path\"; pwd`"
1172     echo "$source_path" | grep -q '[[:blank:]]' &&
1173         die "Out of tree builds are impossible with whitespace in source path."
1174 fi
1175
1176 FFMPEG_CONFIGURATION="$@"
1177
1178 find_things(){
1179     thing=$1
1180     pattern=$2
1181     file=$source_path/$3
1182     sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
1183 }
1184
1185 ENCODER_LIST=$(find_things  encoder  ENC      libavcodec/allcodecs.c)
1186 DECODER_LIST=$(find_things  decoder  DEC      libavcodec/allcodecs.c)
1187 PARSER_LIST=$(find_things   parser   PARSER   libavcodec/allcodecs.c)
1188 BSF_LIST=$(find_things      bsf      BSF      libavcodec/allcodecs.c)
1189 MUXER_LIST=$(find_things    muxer    _MUX     libavformat/allformats.c)
1190 DEMUXER_LIST=$(find_things  demuxer  DEMUX    libavformat/allformats.c)
1191 OUTDEV_LIST=$(find_things   muxer    _MUX     libavdevice/alldevices.c)
1192 INDEV_LIST=$(find_things    demuxer  DEMUX    libavdevice/alldevices.c)
1193 PROTOCOL_LIST=$(find_things protocol PROTOCOL libavformat/allformats.c)
1194 FILTER_LIST=$(find_things   filter   FILTER   libavfilter/allfilters.c)
1195
1196 enable $ARCH_EXT_LIST \
1197        $DECODER_LIST \
1198        $ENCODER_LIST \
1199        $PARSER_LIST \
1200        $BSF_LIST \
1201        $DEMUXER_LIST \
1202        $MUXER_LIST \
1203        $FILTER_LIST \
1204        $PROTOCOL_LIST \
1205        $INDEV_LIST \
1206        $OUTDEV_LIST \
1207
1208 die_unknown(){
1209     echo "Unknown option \"$1\"."
1210     echo "See $0 --help for available options."
1211     exit 1
1212 }
1213
1214 show_list() {
1215     suffix=_$1
1216     shift
1217     echo $* | sed s/$suffix//g | tr ' ' '\n' | sort
1218     exit 0
1219 }
1220
1221 for opt do
1222     optval="${opt#*=}"
1223     case "$opt" in
1224     --extra-cflags=*) add_cflags "$optval"
1225     ;;
1226     --extra-ldflags=*) add_ldflags "$optval"
1227     ;;
1228     --extra-libs=*) add_extralibs "$optval"
1229     ;;
1230     --disable-devices) disable $INDEV_LIST $OUTDEV_LIST
1231     ;;
1232     --enable-debug=*) debuglevel="$optval"
1233     ;;
1234     --enable-*=*|--disable-*=*)
1235     eval `echo "$opt" | sed 's/=/-/;s/--/action=/;s/-/ thing=/;s/-/ name=/'`
1236     case "$thing" in
1237         encoder|decoder|muxer|demuxer|parser|bsf|protocol|filter) $action ${optval}_${thing} ;;
1238         *) die_unknown "$opt" ;;
1239     esac
1240     ;;
1241     --enable-?*|--disable-?*)
1242     eval `echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g'`
1243     if is_in $option $COMPONENT_LIST; then
1244         eval $action \$$(toupper ${option%s})_LIST
1245     elif is_in $option $CMDLINE_SELECT; then
1246         $action $option
1247     else
1248         die_unknown $opt
1249     fi
1250     ;;
1251     --list-*)
1252         NAME="${opt#--list-}"
1253         is_in $NAME $COMPONENT_LIST || die_unknown $opt
1254         NAME=${NAME%s}
1255         eval show_list $NAME \$$(toupper $NAME)_LIST
1256     ;;
1257     --help|-h) show_help
1258     ;;
1259     *)
1260     optname="${opt%%=*}"
1261     optname="${optname#--}"
1262     optname=$(echo "$optname" | sed 's/-/_/g')
1263     is_in $optname $CMDLINE_SET || die_unknown $opt
1264     eval $optname='$optval'
1265     ;;
1266     esac
1267 done
1268
1269 disabled logging && logfile=/dev/null
1270
1271 echo "# $0 $@" > $logfile
1272 set >> $logfile
1273
1274 test -n "$cross_prefix" && enable cross_compile
1275
1276 cc_default="${cross_prefix}${cc_default}"
1277 yasmexe="${cross_prefix}${yasmexe}"
1278 ar="${cross_prefix}${ar}"
1279 nm_default="${cross_prefix}${nm_default}"
1280 ranlib="${cross_prefix}${ranlib}"
1281 strip="${cross_prefix}${strip}"
1282
1283 set_default cc nm
1284 enabled cross_compile || host_cc_default=$cc
1285 set_default host_cc
1286
1287 # set temporary file name
1288 : ${TMPDIR:=$TEMPDIR}
1289 : ${TMPDIR:=$TMP}
1290 : ${TMPDIR:=/tmp}
1291
1292 TMPC="${TMPDIR}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}.c"
1293 TMPE="${TMPDIR}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}${EXESUF}"
1294 TMPH="${TMPDIR}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}.h"
1295 TMPO="${TMPDIR}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}.o"
1296 TMPS="${TMPDIR}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}.S"
1297 TMPSH="${TMPDIR}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}.sh"
1298
1299 check_cflags -std=c99
1300
1301 case "$arch" in
1302     i386|i486|i586|i686|i86pc|BePC)
1303         arch="x86_32"
1304         enable fast_unaligned
1305     ;;
1306     x86_64|amd64)
1307         arch="x86_32"
1308         enable cmov
1309         enable fast_cmov
1310         enable fast_unaligned
1311         check_cc <<EOF && enable fast_64bit && arch="x86_64"
1312         int test[sizeof(char*) - 7];
1313 EOF
1314     ;;
1315     arm|armv[4567]*l)
1316         arch="arm"
1317     ;;
1318     alpha)
1319         arch="alpha"
1320         enable fast_64bit
1321     ;;
1322     "Power Macintosh"|ppc|powerpc)
1323         arch="ppc"
1324         enable fast_unaligned
1325     ;;
1326     ppc64)
1327         arch="ppc"
1328         enable fast_64bit
1329         enable fast_unaligned
1330     ;;
1331     mips|mipsel|IP*)
1332         arch="mips"
1333     ;;
1334     mips64)
1335         arch="mips"
1336         enable fast_64bit
1337     ;;
1338     sun4u|sparc64)
1339         arch="sparc64"
1340         enable fast_64bit
1341     ;;
1342     sparc)
1343         arch="sparc"
1344     ;;
1345     sh4|sh)
1346         arch="sh4"
1347     ;;
1348     parisc|hppa)
1349         arch="parisc"
1350     ;;
1351     parisc64|hppa64)
1352         arch="parisc"
1353         enable fast_64bit
1354     ;;
1355     s390|s390x)
1356         arch="s390"
1357     ;;
1358     m68k)
1359         arch="m68k"
1360     ;;
1361     ia64)
1362         arch="ia64"
1363         enable fast_64bit
1364     ;;
1365     bfin)
1366         arch="bfin"
1367     ;;
1368     *)
1369         arch="unknown"
1370     ;;
1371 esac
1372
1373 enable $arch
1374 enabled_any x86_32 x86_64 && enable x86
1375 enabled     sparc64       && enable sparc
1376
1377 # OS specific
1378 case $target_os in
1379     beos|haiku|zeta)
1380         prefix_default="$HOME/config"
1381         # helps building libavcodec
1382         add_cflags "-DPIC -fomit-frame-pointer"
1383         # 3 gcc releases known for BeOS, each with ugly bugs
1384         gcc_version="`$cc -v 2>&1 | grep version | cut -d ' ' -f3-`"
1385         case "$gcc_version" in
1386           2.9-beos-991026*|2.9-beos-000224*) echo "R5/GG gcc"
1387             disable mmx
1388             ;;
1389           *20010315*) echo "BeBits gcc"
1390             add_cflags "-fno-expensive-optimizations"
1391             ;;
1392         esac
1393         SHFLAGS=-nostart
1394         # enable BeOS things
1395         enable audio_beos
1396         # no need for libm, but the inet stuff
1397         # Check for BONE
1398         # XXX: actually should check for NOT net_server
1399         if echo $BEINCLUDES | grep -q 'headers/be/bone'; then
1400             network_extralibs="-lbind -lsocket"
1401         else
1402             enable beos_netserver
1403             network_extralibs="-lnet"
1404         fi ;;
1405     sunos)
1406         FFSERVERLDFLAGS=""
1407         SHFLAGS='-shared -Wl,-h,$$(@F)'
1408         network_extralibs="-lsocket -lnsl"
1409         add_cflags -D__EXTENSIONS__
1410         ;;
1411     netbsd)
1412         oss_demuxer_extralibs="-lossaudio"
1413         oss_muxer_extralibs="-lossaudio"
1414         ;;
1415     openbsd)
1416         disable need_memalign
1417         LIBOBJFLAGS='$(PIC)'
1418         SHFLAGS='-shared'
1419         oss_demuxer_extralibs="-lossaudio"
1420         oss_muxer_extralibs="-lossaudio"
1421         ;;
1422     freebsd)
1423         disable need_memalign
1424         ;;
1425     bsd/os)
1426         osextralibs="-lpoll -lgnugetopt"
1427         strip="strip -d"
1428         ;;
1429     darwin)
1430         disable need_memalign
1431         SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(SHLIBDIR)/$(SLIBNAME),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR) -Wl,-read_only_relocs,suppress'
1432         VHOOKSHFLAGS='-dynamiclib -Wl,-single_module -flat_namespace -undefined suppress -Wl,-install_name,$(SHLIBDIR)/vhook/$$(@F)'
1433         strip="strip -x"
1434         FFLDFLAGS="-Wl,-dynamic,-search_paths_first"
1435         SLIBSUF=".dylib"
1436         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'
1437         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'
1438         FFSERVERLDFLAGS=-Wl,-bind_at_load
1439         objformat="macho"
1440         enabled x86_64 && objformat="macho64"
1441         ;;
1442     mingw32*)
1443         target_os=mingw32
1444         LIBTARGET=i386
1445         if test $arch = x86_64; then
1446             disable need_memalign
1447             LIBTARGET=x64
1448         fi
1449         shlibdir_default="$bindir_default"
1450         VHOOKSHFLAGS='-shared -L$(BUILD_ROOT)/libavformat -L$(BUILD_ROOT)/libavcodec -L$(BUILD_ROOT)/libavutil'
1451         VHOOKLIBS='-lavformat$(BUILDSUF) -lavcodec$(BUILDSUF) -lavutil$(BUILDSUF) $(EXTRALIBS)'
1452         if enabled swscale; then
1453             VHOOKSHFLAGS="$VHOOKSHFLAGS -L\$(BUILD_ROOT)/libswscale"
1454             VHOOKLIBS="$VHOOKLIBS -lswscale\$(BUILDSUF)"
1455         fi
1456         disable ffserver
1457         SLIBPREF=""
1458         SLIBSUF=".dll"
1459         EXESUF=".exe"
1460         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
1461         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
1462         SLIB_EXTRA_CMD='-lib /machine:$(LIBTARGET) /def:$$(@:$(SLIBSUF)=.def) /out:$(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib)'
1463         SLIB_INSTALL_EXTRA_CMD='-install -m 644 $(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib) "$(SHLIBDIR)/$(SLIBNAME:$(SLIBSUF)=.lib)"; \
1464             install -m 644 $(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib) "$(SHLIBDIR)/$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib)"'
1465         SLIB_UNINSTALL_EXTRA_CMD='rm -f "$(SHLIBDIR)/$(SLIBNAME:$(SLIBSUF)=.lib)"'
1466         SHFLAGS='-shared -Wl,--output-def,$$(@:$(SLIBSUF)=.def) -Wl,--enable-runtime-pseudo-reloc -Wl,--enable-auto-image-base'
1467         objformat="win32"
1468         enable dos_paths
1469         check_cpp_condition _mingw.h "(__MINGW32_MAJOR_VERSION > 3) || (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" ||
1470             die "ERROR: MinGW runtime version must be >= 3.15."
1471         enabled_any avisynth vfwcap_demuxer &&
1472             { check_cpp_condition w32api.h "(__W32API_MAJOR_VERSION > 3) || (__W32API_MAJOR_VERSION == 3 && __W32API_MINOR_VERSION >= 13)" ||
1473               die "ERROR: avisynth and vfwcap_demuxer require w32api version 3.13 or later."; }
1474         ;;
1475     cygwin*)
1476         target_os=cygwin
1477         shlibdir_default="$bindir_default"
1478         VHOOKSHFLAGS='-shared -L$(BUILD_ROOT)/libavformat -L$(BUILD_ROOT)/libavcodec -L$(BUILD_ROOT)/libavutil'
1479         VHOOKLIBS='-lavformat$(BUILDSUF) -lavcodec$(BUILDSUF) -lavutil$(BUILDSUF) $(EXTRALIBS)'
1480         if enabled swscale; then
1481             VHOOKSHFLAGS="$VHOOKSHFLAGS -L\$(BUILD_ROOT)/libswscale"
1482             VHOOKLIBS="$VHOOKLIBS -lswscale\$(BUILDSUF)"
1483         fi
1484         EXESUF=".exe"
1485         SLIBPREF="cyg"
1486         SLIBSUF=".dll"
1487         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
1488         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
1489         SHFLAGS='-shared -Wl,--enable-auto-image-base'
1490         objformat="win32"
1491         enable dos_paths
1492         ;;
1493     *-dos|freedos|opendos)
1494         disable ffplay ffserver vhook
1495         disable $INDEV_LIST $OUTDEV_LIST
1496         network_extralibs="-lsocket"
1497         EXESUF=".exe"
1498         objformat="win32"
1499         enable dos_paths
1500         ;;
1501     linux)
1502         enable dv1394
1503         ;;
1504     irix*)
1505         target_os=irix
1506         ranlib="echo ignoring ranlib"
1507         ;;
1508     os/2*)
1509         strip="lxlite"
1510         ln_s="cp -f"
1511         EXESUF=".exe"
1512         FFLDFLAGS="-Zomf -Zbin-files -Zargs-wild -Zmap"
1513         SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'
1514         FFSERVERLDFLAGS=""
1515         LIBSUF="_s.a"
1516         SLIBPREF=""
1517         SLIBSUF=".dll"
1518         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
1519         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(NAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'
1520         SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(NAME).def; \
1521           echo PROTMODE >> $(SUBDIR)$(NAME).def; \
1522           echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(NAME).def; \
1523           echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(NAME).def; \
1524           echo EXPORTS >> $(SUBDIR)$(NAME).def; \
1525           emxexp -o $(OBJS) >> $(SUBDIR)$(NAME).def'
1526         SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(NAME).def; \
1527           emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib $(SUBDIR)$(NAME).def;'
1528         SLIB_INSTALL_EXTRA_CMD='install -m 644 $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib "$(LIBDIR)"'
1529         SLIB_UNINSTALL_EXTRA_CMD='rm -f "$(LIBDIR)"/$(LIBPREF)$(NAME)_dll.a "$(LIBDIR)"/$(LIBPREF)$(NAME)_dll.lib'
1530         disable vhook
1531         enable dos_paths
1532         ;;
1533     interix)
1534         disable vhook
1535         ;;
1536
1537     *)
1538         target_os="${target_os}-UNKNOWN"
1539         ;;
1540 esac
1541
1542 set_default $PATHS_LIST
1543
1544 add_extralibs $osextralibs
1545
1546 # Combine FFLDFLAGS and the LDFLAGS environment variable.
1547 LDFLAGS="$FFLDFLAGS $LDFLAGS"
1548
1549 # we need to build at least one lib type
1550 if ! enabled_any static shared; then
1551     cat <<EOF
1552 At least one library type must be built.
1553 Specify --enable-static to build the static libraries or --enable-shared to
1554 build the shared libraries as well. To only build the shared libraries specify
1555 --disable-static in addition to --enable-shared.
1556 EOF
1557     exit 1;
1558 fi
1559
1560 disabled static && LIBNAME=""
1561
1562 if enabled_any libfaad libfaadbin ; then
1563     if check_header faad.h; then
1564         check_cc <<EOF
1565 #include <faad.h>
1566 #ifndef FAAD2_VERSION
1567 ok faad1
1568 #endif
1569 int main(void) { return 0; }
1570 EOF
1571         test $? = 0 && enable libfaad2
1572     else
1573         die "FAAD test failed."
1574     fi
1575 fi
1576
1577
1578 if ! enabled gpl; then
1579     die_gpl_disabled(){
1580         name=$1
1581         shift
1582         enabled_any $@ && die "$name is under GPL and --enable-gpl is not specified."
1583     }
1584     die_gpl_disabled "The Postprocessing code" postproc
1585     die_gpl_disabled "libx264"                 libx264
1586     die_gpl_disabled "libxvidcore"             libxvid
1587     die_gpl_disabled "FAAD2"                   libfaad2
1588     die_gpl_disabled "The X11 grabber"         x11grab
1589     die_gpl_disabled "The software scaler"     swscale
1590 fi
1591
1592 if ! enabled nonfree && enabled_any libamr_nb libamr_wb; then
1593     die "libamr is nonfree and --enable-nonfree is not specified."
1594 fi
1595
1596 check_deps $ARCH_EXT_LIST
1597
1598 test -z "$need_memalign" && need_memalign="$mmx"
1599
1600 #Darwin CC versions
1601 if test $target_os = darwin; then
1602     if $cc -v 2>&1 | grep -q xlc; then
1603         add_cflags "-qpdf2 -qlanglvl=extc99 -qmaxmem=-1 -qarch=auto -qtune=auto"
1604     else
1605         add_cflags "-pipe"
1606         check_cflags "-force_cpusubtype_ALL"
1607         check_cflags "-Wno-sign-compare"
1608         enabled shared || check_cflags -mdynamic-no-pic
1609     fi
1610 fi
1611
1612 disabled optimizations || check_cflags -fomit-frame-pointer
1613
1614 # Add processor-specific flags
1615 if test $cpu != "generic"; then
1616     warn_altivec(){
1617         $1 altivec && echo "WARNING: Tuning for $2 but AltiVec $1.";
1618     }
1619     case $cpu in
1620         601|ppc601|PowerPC601)
1621             add_cflags "-mcpu=601"
1622             warn_altivec enabled PPC601
1623         ;;
1624         603*|ppc603*|PowerPC603*)
1625             add_cflags "-mcpu=603"
1626             warn_altivec enabled PPC603
1627         ;;
1628         604*|ppc604*|PowerPC604*)
1629             add_cflags "-mcpu=604"
1630             warn_altivec enabled PPC604
1631         ;;
1632         G3|g3|75*|ppc75*|PowerPC75*)
1633             add_cflags "-mcpu=750 -mpowerpc-gfxopt"
1634             warn_altivec enabled PPC75x
1635         ;;
1636         G4|g4|745*|ppc745*|PowerPC745*)
1637             add_cflags "-mcpu=7450 -mpowerpc-gfxopt"
1638             warn_altivec disabled PPC745x
1639         ;;
1640         74*|ppc74*|PowerPC74*)
1641             add_cflags "-mcpu=7400 -mpowerpc-gfxopt"
1642             warn_altivec disabled PPC74xx
1643         ;;
1644         G5|g5|970|ppc970|PowerPC970|power4*|Power4*)
1645             add_cflags "-mcpu=970 -mpowerpc-gfxopt -mpowerpc64"
1646             warn_altivec disabled PPC970
1647             enable ppc64
1648         ;;
1649         Cell|CELL|cell)
1650             add_cflags "-mcpu=cell"
1651             warn_altivec disabled Cell
1652             enable ppc64
1653         ;;
1654         # targets that do NOT support conditional mov (cmov)
1655         i[345]86|pentium|pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
1656             add_cflags "-march=$cpu"
1657             disable cmov
1658         ;;
1659         # targets that do support conditional mov (cmov)
1660         i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64|k8|opteron|athlon-fx|core2)
1661             add_cflags "-march=$cpu"
1662             enable cmov
1663             enable fast_cmov
1664         ;;
1665         # targets that do support conditional mov but on which it's slow
1666         pentium4|pentium4m|prescott|nocona)
1667             add_cflags "-march=$cpu"
1668             enable cmov
1669             disable fast_cmov
1670         ;;
1671         sparc64)
1672             add_cflags "-mcpu=v9"
1673         ;;
1674         arm11*|cortex*)
1675             add_cflags "-mcpu=$cpu"
1676             enable fast_unaligned
1677         ;;
1678         armv*)
1679             add_cflags "-march=$cpu"
1680         ;;
1681         arm*)
1682             add_cflags "-mcpu=$cpu"
1683         ;;
1684         *)
1685             echo "WARNING: Unknown CPU \"$cpu\", ignored."
1686         ;;
1687     esac
1688 fi
1689
1690 # make sure we can execute files in $TMPDIR
1691 cat > $TMPSH 2>> $logfile <<EOF
1692 #! /bin/sh
1693 EOF
1694 chmod +x $TMPSH >> $logfile 2>&1
1695 if ! $TMPSH >> $logfile 2>&1; then
1696     cat <<EOF
1697 Unable to create and execute files in $TMPDIR.  Set the TMPDIR environment
1698 variable to another directory and make sure that it is not mounted noexec.
1699 EOF
1700     die "Sanity test failed."
1701 fi
1702 rm $TMPSH
1703
1704 # compiler sanity check
1705 check_exec <<EOF
1706 int main(void){ return 0; }
1707 EOF
1708 if test "$?" != 0; then
1709     echo "$cc is unable to create an executable file."
1710     if test -z "$cross_prefix" && ! enabled cross_compile ; then
1711         echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
1712         echo "Only do this if you know what cross compiling means."
1713     fi
1714     die "C compiler test failed."
1715 fi
1716
1717 check_cc <<EOF || die "Symbol mangling check failed."
1718 int ff_extern;
1719 EOF
1720 sym=$($nm -P -g $TMPO | grep ff_extern)
1721 extern_prefix=${sym%%ff_extern*}
1722
1723 check_asm inline_asm '""'
1724
1725 if enabled x86; then
1726     # check whether EBP is available on x86
1727     # As 'i' is stored on the stack, this program will crash
1728     # if the base pointer is used to access it because the
1729     # base pointer is cleared in the inline assembly code.
1730     check_exec_crash <<EOF && enable ebp_available
1731     volatile int i=0;
1732     __asm__ volatile (
1733         "xorl %%ebp, %%ebp"
1734     ::: "%ebp");
1735     return i;
1736 EOF
1737
1738     # check wether EBX is available on x86
1739     check_asm ebx_available '"":::"%ebx"'
1740
1741     # check whether binutils is new enough to compile SSSE3/MMX2
1742     enabled ssse3 && check_asm ssse3 '"pabsw %xmm0, %xmm0"'
1743     enabled mmx2  && check_asm mmx2  '"movss %xmm0, %xmm0"'
1744
1745     check_asm bswap '"bswap %%eax" ::: "%eax"'
1746
1747     YASMFLAGS="-f $objformat -DARCH_$(toupper $arch)"
1748     enabled     x86_64        && append YASMFLAGS "-m amd64"
1749     enabled_all x86_64 shared && append YASMFLAGS "-DPIC"
1750     case "$objformat" in
1751         elf) enabled debug && append YASMFLAGS "-g dwarf2" ;;
1752         macho64)              append YASMFLAGS "-DPIC -DPREFIX" ;;
1753         *)                    append YASMFLAGS "-DPREFIX"  ;;
1754     esac
1755     check_yasm "pabsw xmm0, xmm0" && enable yasm
1756 fi
1757
1758 # check for assembler specific support
1759
1760 if test $arch = "ppc"; then
1761     check_asm dcbzl '"dcbzl 0, 1"'
1762 fi
1763
1764 # check for SIMD availability
1765
1766 # AltiVec flags: The FSF version of GCC differs from the Apple version
1767 if enabled altivec; then
1768     check_cflags -maltivec -mabi=altivec &&
1769         { check_header altivec.h && inc_altivec_h="#include <altivec.h>" ; } ||
1770         check_cflags -faltivec
1771
1772     # check if our compiler supports Motorola AltiVec C API
1773     check_cc <<EOF || disable altivec
1774 $inc_altivec_h
1775 int main(void) {
1776     vector signed int v1, v2, v3;
1777     v1 = vec_add(v2,v3);
1778     return 0;
1779 }
1780 EOF
1781
1782     # check if our compiler supports braces for vector declarations
1783     check_cc <<EOF || die "You need a compiler that supports {} in AltiVec vector declarations."
1784 $inc_altivec_h
1785 int main (void) { (vector int) {1}; return 0; }
1786 EOF
1787 fi
1788
1789 # We have to check if pld is a nop and disable it.
1790 enabled arm     && check_asm pld     '"pld [r0]"'
1791 enabled armv5te && check_asm armv5te '"qadd r0, r0, r0"'
1792 enabled armv6   && check_asm armv6   '"sadd16 r0, r0, r0"'
1793 enabled armv6t2 && check_asm armv6t2 '"movt r0, #0"'
1794 enabled armvfp  && check_asm armvfp  '"fadds s0, s0, s0"'
1795 enabled iwmmxt  && check_asm iwmmxt  '"wunpckelub wr6, wr4"'
1796 enabled mmi     && check_asm mmi     '"lq $2, 0($2)"'
1797 enabled neon    && check_asm neon    '"vadd.i16 q0, q0, q0"'
1798 enabled vis     && check_asm vis     '"pdist %f0, %f0, %f0"' -mcpu=ultrasparc
1799
1800 enabled vis && add_cflags "-mcpu=ultrasparc -mtune=ultrasparc"
1801
1802 # ---
1803 # big/little-endian test
1804 check_cc <<EOF || die "endian test failed"
1805 unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';
1806 EOF
1807 od -A n -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian
1808
1809 # ---
1810 # IEEE float test
1811 check_cc <<EOF || die "IEEE float test failed"
1812 float f[3] = {218387568.0f, 218387568.0f, 218387568.0f };
1813 EOF
1814 strings $TMPO | grep -E -q 'MPEGMPEGMPEG|GEPMGEPMGEPM' && enable ieee754_pun
1815
1816 # ---
1817 # check availability of some header files
1818
1819 if check_func dlopen; then
1820     ldl=
1821 elif check_func dlopen -ldl; then
1822     ldl=-ldl
1823 fi
1824
1825 check_func  fork
1826 check_func  gethrtime
1827 check_func  getrusage
1828 check_func  inet_aton $network_extralibs
1829 check_func  memalign
1830 check_func  mkstemp
1831 check_func_headers windows.h GetProcessTimes
1832
1833 check_header conio.h
1834 check_header dlfcn.h
1835 check_header malloc.h
1836 check_header poll.h
1837 check_header sys/mman.h
1838 check_header sys/resource.h
1839 check_header sys/select.h
1840 check_header termios.h
1841 check_header vdpau/vdpau.h
1842 check_header vdpau/vdpau_x11.h
1843 check_header X11/extensions/XvMClib.h
1844
1845 if ! enabled_any memalign memalign_hack && enabled need_memalign ; then
1846     die "Error, no memalign() but SSE enabled, disable it or use --enable-memalign-hack."
1847 fi
1848
1849 disabled  zlib || check_lib   zlib.h      zlibVersion -lz   || disable  zlib
1850 disabled bzlib || check_lib2 bzlib.h BZ2_bzlibVersion -lbz2 || disable bzlib
1851
1852 # check for some common methods of building with pthread support
1853 # do this before the optional library checks as some of them require pthreads
1854 if enabled pthreads; then
1855     if check_func pthread_create; then
1856         :
1857     elif check_func pthread_create -pthread; then
1858         add_cflags -pthread
1859         add_extralibs -pthread
1860     elif check_func pthread_create -pthreads; then
1861         add_cflags -pthreads
1862         add_extralibs -pthreads
1863     elif check_func pthread_create -lpthreadGC2; then
1864         add_extralibs -lpthreadGC2
1865     elif ! check_lib pthread.h pthread_create -lpthread; then
1866         die "ERROR: can't find pthreads library"
1867     fi
1868 fi
1869
1870 for thread in $THREADS_LIST; do
1871     if enabled $thread; then
1872         test -n "$thread_type" &&
1873             die "ERROR: Only one thread type must be selected." ||
1874             thread_type="$thread"
1875     fi
1876 done
1877
1878 check_lib math.h sin -lm
1879
1880 # test for C99 functions in math.h
1881 for func in llrint lrint lrintf round roundf; do
1882     check_exec <<EOF && enable $func || disable $func
1883 #include <math.h>
1884 int main(void) { return ($func(3.999f) > 0)?0:1; }
1885 EOF
1886 done
1887
1888 # these are off by default, so fail if requested and not available
1889 enabled avisynth   && require2 vfw32 "windows.h vfw.h" AVIFileInit -lvfw32
1890 enabled libamr_nb  && require  libamrnb amrnb/interf_dec.h Speech_Decode_Frame_init -lamrnb -lm
1891 enabled libamr_wb  && require  libamrwb amrwb/dec_if.h D_IF_init -lamrwb -lm
1892 enabled libdirac   && add_cflags $(pkg-config --cflags dirac) &&
1893                       require  libdirac libdirac_decoder/dirac_parser.h dirac_decoder_init -ldirac_decoder &&
1894                       require  libdirac libdirac_encoder/dirac_encoder.h dirac_encoder_init -ldirac_encoder
1895 enabled libfaac    && require2 libfaac "stdint.h faac.h" faacEncGetVersion -lfaac
1896 enabled libfaad    && require2 libfaad faad.h faacDecOpen -lfaad
1897 enabled libgsm     && require  libgsm gsm.h gsm_create -lgsm
1898 enabled libmp3lame && require  libmp3lame lame/lame.h lame_init -lmp3lame -lm
1899 enabled libnut     && require  libnut libnut.h nut_demuxer_init -lnut
1900 enabled libschroedinger && add_cflags $(pkg-config --cflags schroedinger-1.0) &&
1901                            require libschroedinger schroedinger/schro.h schro_init $(pkg-config --libs schroedinger-1.0)
1902 enabled libspeex   && require  libspeex speex/speex.h speex_decoder_init -lspeex
1903 enabled libtheora  && require  libtheora theora/theora.h theora_info_init -ltheora -logg
1904 enabled libvorbis  && require  libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbisenc -lvorbis -logg
1905 enabled libx264    && require  libx264 x264.h x264_encoder_open -lx264 -lm &&
1906                       { check_cpp_condition x264.h "X264_BUILD >= 65" ||
1907                         die "ERROR: libx264 version must be >= 0.65."; }
1908 enabled libxvid    && require  libxvid xvid.h xvid_global -lxvidcore
1909 enabled mlib       && require  mediaLib mlib_types.h mlib_VectorSub_S16_U8_Mod -lmlib
1910
1911 # libdc1394 check
1912 if enabled libdc1394; then
1913     { check_lib dc1394/dc1394.h dc1394_new -ldc1394 -lraw1394 &&
1914         enable libdc1394_2; } ||
1915     { check_lib libdc1394/dc1394_control.h dc1394_create_handle -ldc1394_control -lraw1394 &&
1916         enable libdc1394_1; } ||
1917     die "ERROR: No version of libdc1394 found "
1918 fi
1919
1920
1921 _restrict=
1922 for restrict_keyword in restrict __restrict__ __restrict; do
1923     check_cc <<EOF && _restrict=$restrict_keyword && break
1924 void foo(char * $restrict_keyword p);
1925 EOF
1926 done
1927
1928 test "$vhook" = "default" && vhook="$dlopen"
1929
1930 if test "$target_os" = cygwin -o "$target_os" = mingw32 && enabled_all static vhook ; then
1931     disable vhook
1932     echo
1933     echo "At the moment vhooks don't work on Cygwin or MinGW static builds."
1934     echo "Patches welcome."
1935     echo
1936 fi
1937
1938 if enabled vhook; then
1939     check_ldflags -rdynamic
1940     check_ldflags -export-dynamic
1941 fi
1942
1943 check_foo_config imlib2 imlib2 Imlib2.h imlib_load_font
1944 check_foo_config freetype2 freetype ft2build.h FT_Init_FreeType
1945
1946 ##########################################
1947 # SDL check
1948
1949 disable sdl_too_old
1950 disable sdl
1951 SDL_CONFIG="${cross_prefix}sdl-config"
1952 if "${SDL_CONFIG}" --version > /dev/null 2>&1; then
1953     sdl_cflags=`"${SDL_CONFIG}" --cflags`
1954     temp_cflags $sdl_cflags
1955     temp_extralibs `"${SDL_CONFIG}" --libs`
1956     if check_lib2 SDL.h SDL_Init; then
1957         _sdlversion=`"${SDL_CONFIG}" --version | sed 's/[^0-9]//g'`
1958         if test "$_sdlversion" -lt 121 ; then
1959             enable sdl_too_old
1960         else
1961             enable sdl
1962             check_cc $sdl_cflags <<EOF && enable sdl_video_size
1963 #include <SDL.h>
1964 int main(int argc, char **argv){
1965     const SDL_VideoInfo *vi = SDL_GetVideoInfo();
1966     int w = vi->current_w;
1967     return 0;
1968 }
1969 EOF
1970         fi
1971     fi
1972     restore_flags
1973 fi
1974
1975 texi2html -version > /dev/null 2>&1 && enable texi2html || disable texi2html
1976
1977 ##########################################
1978 # Network check
1979
1980 if enabled network; then
1981     check_type "sys/types.h sys/socket.h" socklen_t
1982     # Prefer arpa/inet.h over winsock2
1983     if check_header arpa/inet.h ; then
1984         check_func closesocket
1985     elif check_header winsock2.h ; then
1986         network_extralibs="-lws2_32"
1987         check_type ws2tcpip.h socklen_t
1988         check_func_headers winsock2.h closesocket
1989     fi
1990 fi
1991
1992 ##########################################
1993 # IPv6 check
1994
1995 enabled network && enabled ipv6 && check_ld <<EOF && enable ipv6 || disable ipv6
1996 #include <sys/types.h>
1997 #include <sys/socket.h>
1998 #include <netinet/in.h>
1999 #include <netdb.h>
2000 int main(void) {
2001     struct sockaddr_storage saddr;
2002     struct ipv6_mreq mreq6;
2003     getaddrinfo(0,0,0,0);
2004     getnameinfo(0,0,0,0,0,0,0);
2005     IN6_IS_ADDR_MULTICAST((const struct in6_addr *)0);
2006 }
2007 EOF
2008
2009 check_header linux/videodev.h
2010 check_header linux/videodev2.h
2011 check_header sys/videoio.h
2012
2013 check_func_headers "windows.h vfw.h" capCreateCaptureWindow -lvfw32
2014
2015 # check for ioctl_meteor.h, ioctl_bt848.h and alternatives
2016 { check_header dev/bktr/ioctl_meteor.h &&
2017   check_header dev/bktr/ioctl_bt848.h; } ||
2018 { check_header machine/ioctl_meteor.h &&
2019   check_header machine/ioctl_bt848.h; } ||
2020 { check_header dev/video/meteor/ioctl_meteor.h &&
2021   check_header dev/video/bktr/ioctl_bt848.h; } ||
2022 check_header dev/ic/bt8xx.h
2023
2024 check_header sys/soundcard.h
2025 check_header soundcard.h
2026
2027 # deal with the X11 frame grabber
2028 enabled x11grab                         &&
2029 check_header X11/Xlib.h                 &&
2030 check_header X11/extensions/XShm.h      &&
2031 check_func XOpenDisplay -lX11           &&
2032 check_func XShmCreateImage -lX11 -lXext
2033
2034 enabled debug && add_cflags -g"$debuglevel"
2035
2036 # add some useful compiler flags if supported
2037 check_cflags -Wdeclaration-after-statement
2038 check_cflags -Wall
2039 check_cflags -Wno-switch
2040 check_cflags -Wdisabled-optimization
2041 check_cflags -Wpointer-arith
2042 check_cflags -Wredundant-decls
2043 check_cflags -Wno-pointer-sign
2044 check_cflags -Wcast-qual
2045 check_cflags -Wwrite-strings
2046 check_cflags -Wtype-limits
2047 enabled extra_warnings && check_cflags -Winline
2048
2049 # add some linker flags
2050 check_ldflags -Wl,--warn-common
2051 check_ldflags -Wl,--as-needed
2052 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'
2053 check_ldflags -Wl,-Bsymbolic
2054
2055 if enabled small; then
2056     check_cflags -Os            # not all compilers support -Os
2057     optimizations="small"
2058 elif enabled optimizations; then
2059     if $cc -v 2>&1 | grep -q xlc; then
2060         add_cflags  "-O5"
2061         add_ldflags "-O5"
2062     else
2063         add_cflags "-O3"
2064     fi
2065 fi
2066 check_cflags -fno-math-errno
2067 check_cflags -fno-signed-zeros
2068
2069 # add some flags for Intel C Compiler
2070 if $cc --version 2> /dev/null | grep -q Intel; then
2071   # Just warnings, no remarks
2072   check_cflags -w1
2073   # -wd: Disable following warnings
2074   # 144, 167, 556: -Wno-pointer-sign
2075   # 10006: ignoring unknown option -fno-signed-zeros
2076   # 10156: ignoring option '-W'; no argument required
2077   check_cflags -wd144,167,556,10006,10156
2078   # 11030: Warning unknown option --as-needed
2079   # 10156: ignoring option '-export'; no argument required
2080   check_ldflags -wd10156,11030
2081   # Allow to compile with optimizations
2082   check_ldflags -march=$cpu
2083 fi
2084
2085 # PIC flags for shared library objects where they are needed
2086 if enabled shared; then
2087     # LIBOBJFLAGS may have already been set in the OS configuration
2088     if test -z "$LIBOBJFLAGS" ; then
2089         case "$arch" in
2090             x86_64|ia64|alpha|sparc*|power*|parisc*|mips*) LIBOBJFLAGS='$(PIC)' ;;
2091         esac
2092     fi
2093 fi
2094
2095 if enabled gprof; then
2096     add_cflags  "-p"
2097     add_ldflags "-p"
2098 fi
2099
2100 VHOOKCFLAGS="-fPIC"
2101
2102 # Find out if the .align argument is a power of two or not.
2103 check_asm asmalign_pot '".align 3"'
2104
2105 enabled_any $DECODER_LIST      && enable decoders
2106 enabled_any $ENCODER_LIST      && enable encoders
2107 enabled_any $BSF_LIST          && enable bsfs
2108 enabled_any $DEMUXER_LIST      && enable demuxers
2109 enabled_any $MUXER_LIST        && enable muxers
2110 enabled_any $FILTER_LIST       && enable filters
2111 enabled_any $INDEV_LIST        && enable demuxers
2112 enabled_any $OUTDEV_LIST       && enable muxers
2113 enabled_any $PROTOCOL_LIST     && enable protocols
2114
2115 enabled_any $THREADS_LIST      && enable threads
2116
2117 check_deps $CONFIG_LIST       \
2118            $CONFIG_EXTRA      \
2119            $HAVE_LIST         \
2120            $DECODER_LIST      \
2121            $ENCODER_LIST      \
2122            $PARSER_LIST       \
2123            $BSF_LIST          \
2124            $DEMUXER_LIST      \
2125            $MUXER_LIST        \
2126            $FILTER_LIST       \
2127            $INDEV_LIST        \
2128            $OUTDEV_LIST       \
2129            $PROTOCOL_LIST     \
2130
2131 echo "install prefix            $prefix"
2132 echo "source path               $source_path"
2133 echo "C compiler                $cc"
2134 echo ".align is power-of-two    $asmalign_pot"
2135 echo "ARCH                      $arch ($cpu)"
2136 if test "$build_suffix" != ""; then
2137     echo "build suffix              $build_suffix"
2138 fi
2139 if test "$extra_version" != ""; then
2140     echo "version string suffix     $extra_version"
2141 fi
2142 echo "big-endian                ${bigendian-no}"
2143 if test $arch = "x86_32" -o $arch = "x86_64"; then
2144     echo "yasm                      ${yasm-no}"
2145     echo "MMX enabled               ${mmx-no}"
2146     echo "CMOV enabled              ${cmov-no}"
2147     echo "CMOV is fast              ${fast_cmov-no}"
2148     echo "EBX available             ${ebx_available-no}"
2149     echo "EBP available             ${ebp_available-no}"
2150 fi
2151 if test $arch = "arm"; then
2152     echo "ARMv5TE enabled           ${armv5te-no}"
2153     echo "ARMv6 enabled             ${armv6-no}"
2154     echo "ARMv6T2 enabled           ${armv6t2-no}"
2155     echo "ARM VFP enabled           ${armvfp-no}"
2156     echo "IWMMXT enabled            ${iwmmxt-no}"
2157     echo "NEON enabled              ${neon-no}"
2158 fi
2159 if test $arch = "mips"; then
2160     echo "MMI enabled               ${mmi-no}"
2161 fi
2162 if test $arch = "ppc"; then
2163     echo "AltiVec enabled           ${altivec-no}"
2164     echo "dcbzl available           ${dcbzl-no}"
2165 fi
2166 echo "gprof enabled             ${gprof-no}"
2167 echo "debug symbols             ${debug-no}"
2168 echo "strip symbols             ${stripping-no}"
2169 echo "optimizations             ${optimizations-no}"
2170 echo "static                    ${static-no}"
2171 echo "shared                    ${shared-no}"
2172 echo "postprocessing support    ${postproc-no}"
2173 echo "software scaler enabled   ${swscale-no}"
2174 echo "new filter support        ${avfilter-no}"
2175 echo "filters using lavformat   ${avfilter_lavf-no}"
2176 echo "video hooking             ${vhook-no}"
2177 if enabled vhook; then
2178     echo "Imlib2 support            ${imlib2-no}"
2179     echo "FreeType support          ${freetype2-no}"
2180 fi
2181 echo "network support           ${network-no}"
2182 if enabled network; then
2183     echo "IPv6 support              ${ipv6-no}"
2184 fi
2185 echo "threading support         ${thread_type-no}"
2186 echo "SDL support               ${sdl-no}"
2187 if enabled sdl_too_old; then
2188     echo "-> Your SDL version is too old - please upgrade to have FFplay/SDL support."
2189 fi
2190 echo "Sun medialib support      ${mlib-no}"
2191 echo "AVISynth enabled          ${avisynth-no}"
2192 echo "libamr-nb support         ${libamr_nb-no}"
2193 echo "libamr-wb support         ${libamr_wb-no}"
2194 echo "libdc1394 support         ${libdc1394-no}"
2195 echo "libdirac enabled          ${libdirac-no}"
2196 echo "libfaac enabled           ${libfaac-no}"
2197 echo "libfaad enabled           ${libfaad-no}"
2198 echo "libfaad dlopened          ${libfaadbin-no}"
2199 echo "libgsm enabled            ${libgsm-no}"
2200 echo "libmp3lame enabled        ${libmp3lame-no}"
2201 echo "libnut enabled            ${libnut-no}"
2202 echo "libschroedinger enabled   ${libschroedinger-no}"
2203 echo "libspeex enabled          ${libspeex-no}"
2204 echo "libtheora enabled         ${libtheora-no}"
2205 echo "libvorbis enabled         ${libvorbis-no}"
2206 echo "libx264 enabled           ${libx264-no}"
2207 echo "libxvid enabled           ${libxvid-no}"
2208 echo "vdpau enabled             ${vdpau-no}"
2209 echo "zlib enabled              ${zlib-no}"
2210 echo "bzlib enabled             ${bzlib-no}"
2211 echo
2212
2213 for type in decoder encoder parser demuxer muxer protocol filter bsf indev outdev; do
2214     echo "Enabled ${type}s:"
2215     eval list=\$$(toupper $type)_LIST
2216     for part in $list; do
2217         enabled $part && echo ${part%_*}
2218     done | sort | pr -3 -t
2219     echo
2220 done
2221
2222 license="LGPL"
2223 if enabled nonfree; then
2224     license="unredistributable"
2225 elif enabled gpl; then
2226     license="GPL"
2227 fi
2228
2229 echo "License: $license"
2230
2231 echo "Creating config.mak and config.h..."
2232
2233 echo "# Automatically generated by configure - do not modify!" > config.mak
2234 echo "/* Automatically generated by configure - do not modify! */" > $TMPH
2235 echo "#ifndef FFMPEG_CONFIG_H" >> $TMPH
2236 echo "#define FFMPEG_CONFIG_H" >> $TMPH
2237 echo "#define FFMPEG_CONFIGURATION \"$FFMPEG_CONFIGURATION\"" >> $TMPH
2238
2239 echo "FFMPEG_CONFIGURATION=$FFMPEG_CONFIGURATION" >> config.mak
2240 echo "prefix=$prefix" >> config.mak
2241 echo "LIBDIR=\$(DESTDIR)$libdir" >> config.mak
2242 echo "SHLIBDIR=\$(DESTDIR)$shlibdir" >> config.mak
2243 echo "INCDIR=\$(DESTDIR)$incdir" >> config.mak
2244 echo "BINDIR=\$(DESTDIR)$bindir" >> config.mak
2245 echo "MANDIR=\$(DESTDIR)$mandir" >> config.mak
2246 echo "CC=$cc" >> config.mak
2247 echo "YASM=$yasmexe" >> config.mak
2248 echo "AR=$ar" >> config.mak
2249 echo "RANLIB=$ranlib" >> config.mak
2250 echo "LN_S=$ln_s" >> config.mak
2251 enabled stripping &&
2252     echo "STRIP=$strip" >> config.mak ||
2253     echo "STRIP=echo ignoring strip" >> config.mak
2254
2255 echo "OPTFLAGS=$CFLAGS" >> config.mak
2256 echo "VHOOKCFLAGS=$VHOOKCFLAGS" >> config.mak
2257 echo "LDFLAGS=$LDFLAGS" >> config.mak
2258 echo "FFSERVERLDFLAGS=$FFSERVERLDFLAGS" >> config.mak
2259 echo "SHFLAGS=$SHFLAGS" >> config.mak
2260 echo "YASMFLAGS=$YASMFLAGS" >> config.mak
2261 echo "VHOOKSHFLAGS=$VHOOKSHFLAGS" >> config.mak
2262 echo "VHOOKLIBS=$VHOOKLIBS" >> config.mak
2263 echo "LIBOBJFLAGS=$LIBOBJFLAGS" >> config.mak
2264 echo "BUILD_STATIC=$static" >> config.mak
2265 echo "BUILDSUF=$build_suffix" >> config.mak
2266 echo "FULLNAME=$FULLNAME" >> config.mak
2267 echo "LIBPREF=$LIBPREF" >> config.mak
2268 echo "LIBSUF=$LIBSUF" >> config.mak
2269 echo "LIBNAME=$LIBNAME" >> config.mak
2270 echo "SLIBPREF=$SLIBPREF" >> config.mak
2271 echo "SLIBSUF=$SLIBSUF" >> config.mak
2272 echo "EXESUF=$EXESUF" >> config.mak
2273 echo "EXTRA_VERSION=$extra_version" >> config.mak
2274 echo "DEPEND_CMD=$DEPEND_CMD" >> config.mak
2275 echo "HOSTCC=$host_cc" >> config.mak
2276 echo "HOSTCFLAGS=$host_cflags" >> config.mak
2277 echo "HOSTLDFLAGS=$host_ldflags" >> config.mak
2278 echo "HOSTLIBS=$host_libs" >> config.mak
2279 echo "TARGET_EXEC=$target_exec" >> config.mak
2280 echo "TARGET_PATH=$target_path" >> config.mak
2281
2282 if enabled bigendian; then
2283     echo "WORDS_BIGENDIAN=yes" >> config.mak
2284     echo "#define WORDS_BIGENDIAN 1" >> $TMPH
2285 fi
2286
2287 if enabled sdl; then
2288     echo "SDL_LIBS=`"${SDL_CONFIG}" --libs`" >> config.mak
2289     echo "SDL_CFLAGS=`"${SDL_CONFIG}" --cflags`" >> config.mak
2290 fi
2291 if enabled texi2html; then
2292     echo "BUILD_DOC=yes" >> config.mak
2293 fi
2294
2295 get_version(){
2296     name=$1
2297     file=$source_path/$2
2298     eval $(grep "#define ${name}_VERSION_M" "$file" | awk '{ print $2"="$3 }')
2299     eval ${name}_VERSION=\$${name}_VERSION_MAJOR.\$${name}_VERSION_MINOR.\$${name}_VERSION_MICRO
2300     lcname=$(tolower $name)
2301     eval echo "${lcname}_VERSION=\$${name}_VERSION" >> config.mak
2302     eval echo "${lcname}_VERSION_MAJOR=\$${name}_VERSION_MAJOR" >> config.mak
2303 }
2304
2305 get_version LIBSWSCALE  libswscale/swscale.h
2306 get_version LIBPOSTPROC libpostproc/postprocess.h
2307 get_version LIBAVCODEC  libavcodec/avcodec.h
2308 get_version LIBAVDEVICE libavdevice/avdevice.h
2309 get_version LIBAVFORMAT libavformat/avformat.h
2310 get_version LIBAVUTIL   libavutil/avutil.h
2311 get_version LIBAVFILTER libavfilter/avfilter.h
2312
2313 if enabled shared; then
2314     echo "BUILD_SHARED=yes" >> config.mak
2315     echo "PIC=-fPIC -DPIC" >> config.mak
2316     echo "LIBTARGET=${LIBTARGET}" >> config.mak
2317     echo "SLIBNAME=${SLIBNAME}" >> config.mak
2318     echo "SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}" >> config.mak
2319     echo "SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}" >> config.mak
2320     echo "SLIB_CREATE_DEF_CMD=${SLIB_CREATE_DEF_CMD}" >> config.mak
2321     echo "SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}" >> config.mak
2322     echo "SLIB_INSTALL_EXTRA_CMD=${SLIB_INSTALL_EXTRA_CMD}" >> config.mak
2323     echo "SLIB_UNINSTALL_EXTRA_CMD=${SLIB_UNINSTALL_EXTRA_CMD}" >> config.mak
2324 fi
2325 echo "LIB_INSTALL_EXTRA_CMD=${LIB_INSTALL_EXTRA_CMD}" >> config.mak
2326 echo "EXTRALIBS=$extralibs" >> config.mak
2327
2328 print_config ARCH_   $TMPH config.mak $ARCH_LIST
2329 print_config HAVE_   $TMPH config.mak $HAVE_LIST
2330 print_config CONFIG_ $TMPH config.mak $CONFIG_LIST       \
2331                                       $CONFIG_EXTRA      \
2332                                       $DECODER_LIST      \
2333                                       $ENCODER_LIST      \
2334                                       $PARSER_LIST       \
2335                                       $BSF_LIST          \
2336                                       $DEMUXER_LIST      \
2337                                       $MUXER_LIST        \
2338                                       $FILTER_LIST       \
2339                                       $PROTOCOL_LIST     \
2340                                       $INDEV_LIST        \
2341                                       $OUTDEV_LIST       \
2342
2343 echo "#define restrict $_restrict" >> $TMPH
2344
2345 if enabled small; then
2346     echo "#define av_always_inline"  >> $TMPH
2347 fi
2348
2349 echo "SRC_PATH=\"$source_path\"" >> config.mak
2350 echo "SRC_PATH_BARE=$source_path" >> config.mak
2351 echo "BUILD_ROOT=\"$PWD\"" >> config.mak
2352
2353 # Apparently it's not possible to portably echo a backslash.
2354 enabled asmalign_pot &&
2355     printf '#define ASMALIGN(ZEROBITS) ".align " #ZEROBITS "\\n\\t"\n' >> $TMPH ||
2356     printf '#define ASMALIGN(ZEROBITS) ".align 1 << " #ZEROBITS "\\n\\t"\n' >> $TMPH
2357
2358 echo "#define EXTERN_PREFIX \"${extern_prefix}\"" >> $TMPH
2359
2360 echo "#endif /* FFMPEG_CONFIG_H */" >> $TMPH
2361
2362 # Do not overwrite an unchanged config.h to avoid superfluous rebuilds.
2363 cmp -s $TMPH config.h &&
2364     echo "config.h is unchanged" ||
2365     mv -f $TMPH config.h
2366
2367 rm -f $TMPC $TMPE $TMPH $TMPO $TMPS $TMPSH
2368
2369 # build tree in object directory if source path is different from current one
2370 if enabled source_path_used; then
2371     DIRS="\
2372         doc               \
2373         libavcodec        \
2374         libavcodec/alpha  \
2375         libavcodec/arm    \
2376         libavcodec/bfin   \
2377         libavcodec/mlib   \
2378         libavcodec/ppc    \
2379         libavcodec/sh4    \
2380         libavcodec/sparc  \
2381         libavcodec/x86    \
2382         libavdevice       \
2383         libavfilter       \
2384         libavformat       \
2385         libavutil         \
2386         libpostproc       \
2387         libswscale        \
2388         tests             \
2389         tools             \
2390         vhook             \
2391         "
2392     FILES="\
2393         Makefile             \
2394         common.mak           \
2395         subdir.mak           \
2396         doc/texi2pod.pl      \
2397         libavcodec/Makefile  \
2398         libavdevice/Makefile \
2399         libavfilter/Makefile \
2400         libavformat/Makefile \
2401         libavutil/Makefile   \
2402         libpostproc/Makefile \
2403         libswscale/Makefile  \
2404         "
2405     for dir in $DIRS ; do
2406         mkdir -p $dir
2407     done
2408     for f in $FILES ; do
2409         $ln_s "$source_path/$f" $f
2410     done
2411 fi
2412
2413
2414 # build pkg-config files
2415
2416 pkgconfig_generate(){
2417 name=$1
2418 shortname=${name#lib}${build_suffix}
2419 comment=$2
2420 version=$3
2421 libs=$4
2422 requires=$5
2423 cat <<EOF > $name/$name.pc
2424 prefix=$prefix
2425 exec_prefix=\${prefix}
2426 libdir=$libdir
2427 includedir=$incdir
2428
2429 Name: $name
2430 Description: $comment
2431 Version: $version
2432 Requires: $(disabled shared && echo $requires)
2433 Requires.private: $(enabled shared && echo $requires)
2434 Conflicts:
2435 Libs: -L\${libdir} -l${shortname} $(disabled shared && echo $libs)
2436 Libs.private: $(enabled shared && echo $libs)
2437 Cflags: -I\${includedir}
2438 EOF
2439 cat <<EOF > $name/$name-uninstalled.pc
2440 prefix=
2441 exec_prefix=
2442 libdir=\${pcfiledir}
2443 includedir=${source_path}
2444
2445 Name: $name
2446 Description: $comment
2447 Version: $version
2448 Requires: $requires
2449 Conflicts:
2450 Libs: \${libdir}/${LIBPREF}${shortname}${LIBSUF} $libs
2451 Cflags: -I\${includedir}
2452 EOF
2453 }
2454
2455 pkgconfig_generate libavutil "FFmpeg utility library" "$LIBAVUTIL_VERSION"
2456 pkgconfig_generate libavcodec "FFmpeg codec library" "$LIBAVCODEC_VERSION" "$extralibs" "libavutil = $LIBAVUTIL_VERSION"
2457 pkgconfig_generate libavformat "FFmpeg container format library" "$LIBAVFORMAT_VERSION" "$extralibs" "libavcodec = $LIBAVCODEC_VERSION"
2458 pkgconfig_generate libavdevice "FFmpeg device handling library" "$LIBAVDEVICE_VERSION" "$extralibs" "libavformat = $LIBAVFORMAT_VERSION"
2459 enabled avfilter &&
2460     pkgconfig_generate libavfilter "FFmpeg video filtering library" "$LIBAVFILTER_VERSION" "$extralibs" "libavutil = $LIBAVUTIL_VERSION"
2461 enabled postproc &&
2462     pkgconfig_generate libpostproc "FFmpeg post processing library" "$LIBPOSTPROC_VERSION"
2463 if enabled swscale; then
2464     pkgconfig_generate libswscale "FFmpeg image rescaling library" "$LIBSWSCALE_VERSION" "" "libavutil = $LIBAVUTIL_VERSION"
2465 else
2466     pkgconfig_generate libswscale "FFmpeg image rescaling library" "$LIBSWSCALE_VERSION" "" "libavcodec = $LIBAVCODEC_VERSION"
2467     apply libswscale/libswscale.pc sed s/^Libs:.*$/Libs:/
2468 fi