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
  72   echo "Configuration options:"
  73   echo "  --disable-static         do not build static libraries [no]"
  74   echo "  --enable-shared          build shared libraries [no]"
  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 "  --disable-ffmpeg         disable ffmpeg build"
  80   echo "  --disable-ffplay         disable ffplay build"
  81   echo "  --disable-ffserver       disable ffserver build"
  82   echo "  --enable-postproc        enable GPLed postprocessing support [no]"
  83   echo "  --enable-swscale         enable GPLed software scaler support [no]"
  84   echo "  --enable-avfilter        video filter support (replaces vhook) [no]"
  85   echo "  --enable-avfilter-lavf   video filters dependent on avformat [no]"
  86   echo "  --disable-vhook          disable video hooking support"
  87   echo "  --enable-beosthreads     use BeOS threads [no]"
  88   echo "  --enable-os2threads      use OS/2 threads [no]"
  89   echo "  --enable-pthreads        use pthreads [no]"
  90   echo "  --enable-w32threads      use Win32 threads [no]"
  91   echo "  --enable-x11grab         enable X11 grabbing [no]"
  92   echo "  --enable-vdpau           enable VDPAU support [no]"
  93   echo "  --enable-xvmc            enable XvMC support [no]"
  94   echo "  --disable-network        disable network support [no]"
  95   echo "  --disable-ipv6           disable IPv6 support [no]"
  96   echo "  --disable-mpegaudio-hp   faster (but less accurate) MPEG audio decoding [no]"
  97   echo "  --enable-gray            enable full grayscale support (slower color)"
  98   echo "  --disable-fastdiv        disable table-based division"
  99   echo "  --enable-small           optimize for size instead of speed"
 100   echo "  --disable-aandct         disable AAN DCT code"
 101   echo "  --disable-fft            disable FFT code"
 102   echo "  --disable-golomb         disable Golomb code"
 103   echo "  --disable-mdct           disable MDCT code"
 104   echo "  --enable-hardcoded-tables use hardcoded tables instead of runtime generation"
 105   echo "  --enable-memalign-hack   emulate memalign, interferes with memory debuggers"
 106   echo "  --enable-beos-netserver  enable BeOS netserver"
 107   echo "  --disable-encoder=NAME   disable encoder NAME"
 108   echo "  --enable-encoder=NAME    enable encoder NAME"
 109   echo "  --disable-encoders       disable all encoders"
 110   echo "  --disable-decoder=NAME   disable decoder NAME"
 111   echo "  --enable-decoder=NAME    enable decoder NAME"
 112   echo "  --disable-decoders       disable all decoders"
 113   echo "  --disable-muxer=NAME     disable muxer NAME"
 114   echo "  --enable-muxer=NAME      enable muxer NAME"
 115   echo "  --disable-muxers         disable all muxers"
 116   echo "  --disable-demuxer=NAME   disable demuxer NAME"
 117   echo "  --enable-demuxer=NAME    enable demuxer NAME"
 118   echo "  --disable-demuxers       disable all demuxers"
 119   echo "  --enable-parser=NAME     enable parser NAME"
 120   echo "  --disable-parser=NAME    disable parser NAME"
 121   echo "  --disable-parsers        disable all parsers"
 122   echo "  --enable-bsf=NAME        enable bitstream filter NAME"
 123   echo "  --disable-bsf=NAME       disable bitstream filter NAME"
 124   echo "  --disable-bsfs           disable all bitstream filters"
 125   echo "  --enable-protocol=NAME   enable protocol NAME"
 126   echo "  --disable-protocol=NAME  disable protocol NAME"
 127   echo "  --disable-protocols      disable all protocols"
 128   echo "  --disable-indevs         disable input devices"
 129   echo "  --disable-outdevs        disable output devices"
 130   echo "  --disable-devices        disable all devices"
 131   echo "  --enable-filter=NAME     enable filter NAME"
 132   echo "  --disable-filter=NAME    disable filter NAME"
 133   echo "  --disable-filters        disable all filters"
 134   echo "  --list-decoders          show all available decoders"
 135   echo "  --list-encoders          show all available encoders"
 136   echo "  --list-muxers            show all available muxers"
 137   echo "  --list-demuxers          show all available demuxers"
 138   echo "  --list-parsers           show all available parsers"
 139   echo "  --list-protocols         show all available protocols"
 140   echo "  --list-bsfs              show all available bitstream filters"
 141   echo "  --list-indevs            show all available input devices"
 142   echo "  --list-outdevs           show all available output devices"
 143   echo "  --list-filters           show all available filters"
 144   echo
 145   echo "External library support:"
 146   echo "  --enable-avisynth        enable reading of AVISynth script files [no]"
 147   echo "  --enable-bzlib           enable bzlib [autodetect]"
 148   echo "  --enable-libamr-nb       enable libamr-nb floating point audio codec [no]"
 149   echo "  --enable-libamr-wb       enable libamr-wb floating point audio codec [no]"
 150   echo "  --enable-libdc1394       enable IIDC-1394 grabbing using libdc1394"
 151   echo "                           and libraw1394 [no]"
 152   echo "  --enable-libdirac        enable Dirac support via libdirac [no]"
 153   echo "  --enable-libfaac         enable FAAC support via libfaac [no]"
 154   echo "  --enable-libfaad         enable FAAD support via libfaad [no]"
 155   echo "  --enable-libfaadbin      open libfaad.so.0 at runtime [no]"
 156   echo "  --enable-libgsm          enable GSM support via libgsm [no]"
 157   echo "  --enable-libmp3lame      enable MP3 encoding via libmp3lame [no]"
 158   echo "  --enable-libnut          enable NUT (de)muxing via libnut,"
 159   echo "                           native (de)muxer exists [no]"
 160   echo "  --enable-libschroedinger enable Dirac support via libschroedinger [no]"
 161   echo "  --enable-libspeex        enable Speex decoding via libspeex [no]"
 162   echo "  --enable-libtheora       enable Theora encoding via libtheora [no]"
 163   echo "  --enable-libvorbis       enable Vorbis encoding via libvorbis,"
 164   echo "                           native implementation exists [no]"
 165   echo "  --enable-libx264         enable H.264 encoding via x264 [no]"
 166   echo "  --enable-libxvid         enable Xvid encoding via xvidcore,"
 167   echo "                           native MPEG-4/Xvid encoder exists [no]"
 168   echo "  --enable-mlib            enable Sun medialib [no]"
 169   echo "  --enable-zlib            enable zlib [autodetect]"
 170   echo ""
 171   echo "Advanced options (experts only):"
 172   echo "  --source-path=PATH       path to source code [$source_path]"
 173   echo "  --cross-prefix=PREFIX    use PREFIX for compilation tools [$cross_prefix]"
 174   echo "  --enable-cross-compile   assume a cross-compiler is used"
 175   echo "  --target-os=OS           compiler targets OS [$target_os]"
 176   echo "  --target-exec=CMD        command to run executables on target"
 177   echo "  --target-path=DIR        path to view of build directory on target"
 178   echo "  --nm=NM                  use nm tool"
 179   echo "  --cc=CC                  use C compiler CC [$cc_default]"
 180   echo "  --host-cc=HOSTCC         use host C compiler HOSTCC"
 181   echo "  --host-cflags=HCFLAGS    use HCFLAGS when compiling for host"
 182   echo "  --host-ldflags=HLDFLAGS  use HLDFLAGS when linking for host"
 183   echo "  --host-libs=HLIBS        use libs HLIBS when linking for host"
 184   echo "  --extra-cflags=ECFLAGS   add ECFLAGS to CFLAGS [$CFLAGS]"
 185   echo "  --extra-ldflags=ELDFLAGS add ELDFLAGS to LDFLAGS [$LDFLAGS]"
 186   echo "  --extra-libs=ELIBS       add ELIBS [$ELIBS]"
 187   echo "  --extra-version=STRING   version string suffix []"
 188   echo "  --build-suffix=SUFFIX    library name suffix []"
 189   echo "  --arch=ARCH              select architecture [$arch]"
 190   echo "  --cpu=CPU                select the minimum required CPU (affects"
 191   echo "                           instruction selection, may crash on older CPUs)"
 192   echo "  --enable-powerpc-perf    enable performance report on PPC"
 193   echo "                           (requires enabling PMC)"
 194   echo "  --disable-altivec        disable AltiVec optimizations"
 195   echo "  --disable-mmx            disable MMX optimizations"
 196   echo "  --disable-mmx2           disable MMX2 optimizations"
 197   echo "  --disable-sse            disable SSE optimizations"
 198   echo "  --disable-ssse3          disable SSSE3 optimizations"
 199   echo "  --disable-armv5te        disable armv5te optimizations"
 200   echo "  --disable-armv6          disable armv6 optimizations"
 201   echo "  --disable-armv6t2        disable armv6t2 optimizations"
 202   echo "  --disable-armvfp         disable ARM VFP optimizations"
 203   echo "  --disable-iwmmxt         disable iwmmxt optimizations"
 204   echo "  --disable-mmi            disable MMI optimizations"
 205   echo "  --disable-neon           disable neon optimizations"
 206   echo "  --disable-vis            disable VIS optimizations"
 207   echo
 208   echo "Developer options (useful when working on FFmpeg itself):"
 209   echo "  --disable-debug          disable debugging symbols"
 210   echo "  --enable-debug=LEVEL     set the debug level [$debuglevel]"
 211   echo "  --enable-gprof           enable profiling with gprof [$gprof]"
 212   echo "  --disable-optimizations  disable compiler optimizations"
 213   echo "  --enable-extra-warnings  enable more compiler warnings"
 214   echo "  --disable-stripping      disable stripping of executables and shared libraries"
 215   echo ""
 216   echo "NOTE: Object files are built at the place where configure is launched."
 217   exit 0
 218 }
 219
 220 log(){
 221     echo "$@" >> $logfile
 222 }
 223
 224 log_file(){
 225     log BEGIN $1
 226     pr -n -t $1 >> $logfile
 227     log END $1
 228 }
 229
 230 echolog(){
 231     log "$@"
 232     echo "$@"
 233 }
 234
 235 die(){
 236     echolog "$@"
 237     cat <<EOF
 238 If you think configure made a mistake, make sure you are using the latest
 239 version from SVN.  If the latest version fails, report the problem to the
 240 ffmpeg-user@mplayerhq.hu mailing list or IRC #ffmpeg on irc.freenode.net.
 241 EOF
 242     if disabled logging; then
 243         cat <<EOF
 244 Rerun configure with logging enabled (do not use --disable-logging), and
 245 include the log this produces with your report.
 246 EOF
 247     else
 248 cat <<EOF
 249 Include the log file "$logfile" produced by configure as this will help
 250 solving the problem.
 251 EOF
 252     fi
 253     rm -f $TMPC $TMPE $TMPH $TMPO $TMPS $TMPSH
 254     exit 1
 255 }
 256
 257 # Avoid locale weirdness, besides we really just want to translate ASCII.
 258 toupper(){
 259     echo "$@" | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ
 260 }
 261
 262 tolower(){
 263     echo "$@" | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz
 264 }
 265
 266 set_all(){
 267     value=$1
 268     shift
 269     for var in $*; do
 270         eval $var=$value
 271     done
 272 }
 273
 274 set_weak(){
 275     value=$1
 276     shift
 277     for var; do
 278         eval : \${$var:=$value}
 279     done
 280 }
 281
 282 pushvar(){
 283     for var in $*; do
 284         eval level=\${${var}_level:=0}
 285         eval ${var}_${level}="\$$var"
 286         eval ${var}_level=$(($level+1))
 287     done
 288 }
 289
 290 popvar(){
 291     for var in $*; do
 292         eval level=\${${var}_level:-0}
 293         test $level = 0 && continue
 294         eval level=$(($level-1))
 295         eval $var="\${${var}_${level}}"
 296         eval ${var}_level=$level
 297         eval unset ${var}_${level}
 298     done
 299 }
 300
 301 enable(){
 302     set_all yes $*
 303 }
 304
 305 disable(){
 306     set_all no $*
 307 }
 308
 309 enable_weak(){
 310     set_weak yes $*
 311 }
 312
 313 disable_weak(){
 314     set_weak no $*
 315 }
 316
 317 do_enable_deep(){
 318     for var; do
 319         enabled $var && continue
 320         eval sel="\$${var}_select"
 321         eval sgs="\$${var}_suggest"
 322         pushvar var sgs
 323         enable_deep $sel
 324         popvar sgs
 325         enable_deep_weak $sgs
 326         popvar var
 327     done
 328 }
 329
 330 enable_deep(){
 331     do_enable_deep $*
 332     enable $*
 333 }
 334
 335 enable_deep_weak(){
 336     do_enable_deep $*
 337     enable_weak $*
 338 }
 339
 340 enabled(){
 341     test "${1#!}" = "$1" && op== || op=!=
 342     eval test "x\$${1#!}" $op "xyes"
 343 }
 344
 345 disabled(){
 346     test "${1#!}" = "$1" && op== || op=!=
 347     eval test "x\$${1#!}" $op "xno"
 348 }
 349
 350 enabled_all(){
 351     for opt; do
 352         enabled $opt || return 1
 353     done
 354 }
 355
 356 disabled_all(){
 357     for opt; do
 358         disabled $opt || return 1
 359     done
 360 }
 361
 362 enabled_any(){
 363     for opt; do
 364         enabled $opt && return 0
 365     done
 366 }
 367
 368 disabled_any(){
 369     for opt; do
 370         disabled $opt && return 0
 371     done
 372     return 1
 373 }
 374
 375 set_default(){
 376     for opt; do
 377         eval : \${$opt:=\$${opt}_default}
 378     done
 379 }
 380
 381 is_in(){
 382     value=$1
 383     shift
 384     for var in $*; do
 385         [ $var = $value ] && return 0
 386     done
 387     return 1
 388 }
 389
 390 check_deps(){
 391     for cfg; do
 392         cfg="${cfg#!}"
 393         enabled ${cfg}_checking && die "Circular dependency for $cfg."
 394         disabled ${cfg}_checking && continue
 395         enable ${cfg}_checking
 396
 397         eval dep_all="\$${cfg}_deps"
 398         eval dep_any="\$${cfg}_deps_any"
 399         eval dep_sel="\$${cfg}_select"
 400         eval dep_sgs="\$${cfg}_suggest"
 401
 402         pushvar cfg dep_all dep_any dep_sel dep_sgs
 403         check_deps $dep_all $dep_any $dep_sel $dep_sgs
 404         popvar cfg dep_all dep_any dep_sel dep_sgs
 405
 406         enabled_all  $dep_all || disable $cfg
 407         enabled_any  $dep_any || disable $cfg
 408         disabled_any $dep_sel && disable $cfg
 409
 410         if enabled $cfg; then
 411             eval dep_extralibs="\$${cfg}_extralibs"
 412             test -n "$dep_extralibs" && add_extralibs $dep_extralibs
 413             enable_deep $dep_sel
 414             enable_deep_weak $dep_sgs
 415         fi
 416
 417         disable ${cfg}_checking
 418     done
 419 }
 420
 421 print_config(){
 422     pfx=$1
 423     header=$2
 424     makefile=$3
 425     shift 3
 426     for cfg; do
 427         ucname="`toupper $cfg`"
 428         if enabled $cfg; then
 429             echo "#define ${pfx}${ucname} 1" >> $header
 430             echo "${pfx}${ucname}=yes" >> $makefile
 431         else
 432             echo "#define ${pfx}${ucname} 0" >> $header
 433         fi
 434     done
 435 }
 436
 437 flags_saved(){
 438     (: ${SAVE_CFLAGS?}) 2> /dev/null
 439 }
 440
 441 save_flags(){
 442     flags_saved && return
 443     SAVE_CFLAGS="$CFLAGS"
 444     SAVE_LDFLAGS="$LDFLAGS"
 445     SAVE_extralibs="$extralibs"
 446 }
 447
 448 restore_flags(){
 449     flags_saved || return
 450     CFLAGS="$SAVE_CFLAGS"
 451     LDFLAGS="$SAVE_LDFLAGS"
 452     extralibs="$SAVE_extralibs"
 453     unset SAVE_CFLAGS
 454     unset SAVE_LDFLAGS
 455     unset SAVE_extralibs
 456 }
 457
 458 temp_cflags(){
 459     save_flags
 460     CFLAGS="$CFLAGS $*"
 461 }
 462
 463 temp_ldflags(){
 464     save_flags
 465     LDFLAGS="$LDFLAGS $*"
 466 }
 467
 468 temp_extralibs(){
 469     save_flags
 470     extralibs="$extralibs $*"
 471 }
 472
 473 append(){
 474     var=$1
 475     shift
 476     flags_saved && eval "SAVE_$var=\"\$SAVE_$var $*\""
 477     eval "$var=\"\$$var $*\""
 478 }
 479
 480 add_cflags(){
 481     append CFLAGS "$@"
 482 }
 483
 484 add_ldflags(){
 485     append LDFLAGS "$@"
 486 }
 487
 488 add_extralibs(){
 489     append extralibs "$@"
 490 }
 491
 492 check_cmd(){
 493     log "$@"
 494     "$@" >> $logfile 2>&1
 495 }
 496
 497 check_cc(){
 498     log check_cc "$@"
 499     cat > $TMPC
 500     log_file $TMPC
 501     check_cmd $cc $CFLAGS "$@" -c -o $TMPO $TMPC
 502 }
 503
 504 check_cpp(){
 505     log check_cpp "$@"
 506     cat > $TMPC
 507     log_file $TMPC
 508     check_cmd $cc $CFLAGS "$@" -E -o $TMPO $TMPC
 509 }
 510
 511 check_asm(){
 512     log check_asm "$@"
 513     name="$1"
 514     asm="$2"
 515     shift 2
 516     check_cc "$@" <<EOF && enable $name || disable $name
 517 void foo(void){ __asm__ volatile($asm); }
 518 EOF
 519 }
 520
 521 check_yasm(){
 522     log check_yasm "$@"
 523     echo "$1" > $TMPS
 524     log_file $TMPS
 525     shift 1
 526     check_cmd $yasmexe $YASMFLAGS "$@" -o $TMPO $TMPS
 527 }
 528
 529 check_ld(){
 530     log check_ld "$@"
 531     check_cc || return
 532     flags=''
 533     libs=''
 534     for f; do
 535         test "${f}" = "${f#-l}" && flags="$flags $f" || libs="$libs $f"
 536     done
 537     check_cmd $cc $LDFLAGS $flags -o $TMPE $TMPO $extralibs $libs
 538 }
 539
 540 check_cflags(){
 541     log check_cflags "$@"
 542     check_cc "$@" <<EOF && add_cflags "$@"
 543 int x;
 544 EOF
 545 }
 546
 547 check_ldflags(){
 548     log check_ldflags "$@"
 549     check_ld "$@" <<EOF && add_ldflags "$@"
 550 int main(void){ return 0; }
 551 EOF
 552 }
 553
 554 check_header(){
 555     log check_header "$@"
 556     header=$1
 557     shift
 558     var=`echo $header | sed 's/[^A-Za-z0-9_]/_/g'`
 559     disable $var
 560     check_cpp "$@" <<EOF && enable $var
 561 #include <$header>
 562 int x;
 563 EOF
 564 }
 565
 566 check_func(){
 567     log check_func "$@"
 568     func=$1
 569     shift
 570     disable $func
 571     check_ld "$@" <<EOF && enable $func
 572 extern int $func();
 573 int main(void){ $func(); }
 574 EOF
 575 }
 576
 577 check_func_headers(){
 578     log check_func_headers "$@"
 579     headers=$1
 580     func=$2
 581     shift 2
 582     disable $func
 583     incs=""
 584     for hdr in $headers; do
 585         incs="$incs
 586 #include <$hdr>"
 587     done
 588     check_ld "$@" <<EOF && enable $func
 589 $incs
 590 int main(int argc, char **argv){
 591     (void) $func;
 592     return 0;
 593 }
 594 EOF
 595 }
 596
 597 check_cpp_condition(){
 598     log check_cpp_condition "$@"
 599     header=$1
 600     condition=$2
 601     check_cpp <<EOF
 602 #include <$header>
 603 #if !($condition)
 604 #error "unsatisfied condition: $condition"
 605 #endif
 606 EOF
 607 }
 608
 609 check_lib(){
 610     log check_lib "$@"
 611     header="$1"
 612     func="$2"
 613     shift 2
 614     temp_extralibs "$@"
 615     check_header $header && check_func $func && add_extralibs "$@"
 616     err=$?
 617     restore_flags
 618     return $err
 619 }
 620
 621 check_lib2(){
 622     log check_lib2 "$@"
 623     headers="$1"
 624     func="$2"
 625     shift 2
 626     temp_extralibs "$@"
 627     check_func_headers "$headers" $func && add_extralibs "$@"
 628     err=$?
 629     restore_flags
 630     return $err
 631 }
 632
 633 check_exec(){
 634     check_ld "$@" && { enabled cross_compile || $TMPE >> $logfile 2>&1; }
 635 }
 636
 637 check_exec_crash(){
 638     code=`cat`
 639
 640     # exit() is not async signal safe.  _Exit (C99) and _exit (POSIX)
 641     # are safe but may not be available everywhere.  Thus we use
 642     # raise(SIGTERM) instead.  The check is run in a subshell so we
 643     # can redirect the "Terminated" message from the shell.  SIGBUS
 644     # is not defined by standard C so it is used conditionally.
 645
 646     (check_exec "$@") >> $logfile 2>&1 <<EOF
 647 #include <signal.h>
 648 static void sighandler(int sig){
 649     raise(SIGTERM);
 650 }
 651 int main(void){
 652     signal(SIGILL, sighandler);
 653     signal(SIGFPE, sighandler);
 654     signal(SIGSEGV, sighandler);
 655 #ifdef SIGBUS
 656     signal(SIGBUS, sighandler);
 657 #endif
 658     { $code }
 659 }
 660 EOF
 661 }
 662
 663 check_type(){
 664     log check_type "$@"
 665     headers=$1
 666     type=$2
 667     shift 2
 668     disable $type
 669     incs=""
 670     for hdr in $headers; do
 671         incs="$incs
 672 #include <$hdr>"
 673     done
 674     check_cc "$@" <<EOF && enable $type
 675 $incs
 676 $type v;
 677 EOF
 678 }
 679
 680 require(){
 681     name="$1"
 682     header="$2"
 683     func="$3"
 684     shift 3
 685     check_lib $header $func "$@" || die "ERROR: $name not found"
 686 }
 687
 688 require2(){
 689     name="$1"
 690     headers="$2"
 691     func="$3"
 692     shift 3
 693     check_lib2 "$headers" $func "$@" || die "ERROR: $name not found"
 694 }
 695
 696 check_foo_config(){
 697     cfg=$1
 698     pkg=$2
 699     header=$3
 700     func=$4
 701     shift 4
 702     disable $cfg
 703     check_cmd ${pkg}-config --version
 704     err=$?
 705     if test "$err" = 0; then
 706         temp_cflags `${pkg}-config --cflags`
 707         temp_extralibs `${pkg}-config --libs`
 708         check_lib "$@" $header $func && enable $cfg
 709     fi
 710     return $err
 711 }
 712
 713 apply(){
 714     file=$1
 715     shift
 716     "$@" < "$file" > "$file.tmp" && mv "$file.tmp" "$file" || rm "$file.tmp"
 717 }
 718
 719 # CONFIG_LIST contains configurable options, while HAVE_LIST is for
 720 # system-dependent things.
 721
 722 COMPONENT_LIST="
 723     bsfs
 724     decoders
 725     demuxers
 726     encoders
 727     filters
 728     indevs
 729     muxers
 730     outdevs
 731     parsers
 732     protocols
 733 "
 734
 735 CONFIG_LIST="
 736     $COMPONENT_LIST
 737     aandct
 738     avfilter
 739     avfilter_lavf
 740     avisynth
 741     beos_netserver
 742     bzlib
 743     fastdiv
 744     ffmpeg
 745     ffplay
 746     ffserver
 747     fft
 748     golomb
 749     gpl
 750     gprof
 751     gray
 752     hardcoded_tables
 753     ipv6
 754     libamr_nb
 755     libamr_wb
 756     libdc1394
 757     libdirac
 758     libfaac
 759     libfaad
 760     libfaadbin
 761     libgsm
 762     libmp3lame
 763     libnut
 764     libschroedinger
 765     libspeex
 766     libtheora
 767     libvorbis
 768     libx264
 769     libxvid
 770     mdct
 771     memalign_hack
 772     mlib
 773     mpegaudio_hp
 774     network
 775     nonfree
 776     postproc
 777     powerpc_perf
 778     shared
 779     small
 780     static
 781     swscale
 782     vdpau
 783     vhook
 784     x11grab
 785     xvmc
 786     zlib
 787 "
 788
 789 THREADS_LIST='
 790     beosthreads
 791     os2threads
 792     pthreads
 793     w32threads
 794 '
 795
 796 ARCH_LIST='
 797     alpha
 798     arm
 799     bfin
 800     ia64
 801     m68k
 802     mips
 803     parisc
 804     ppc
 805     s390
 806     sh4
 807     sparc
 808     sparc64
 809     x86
 810     x86_32
 811     x86_64
 812 '
 813
 814 ARCH_EXT_LIST='
 815     altivec
 816     armv5te
 817     armv6
 818     armv6t2
 819     armvfp
 820     iwmmxt
 821     mmi
 822     mmx
 823     mmx2
 824     neon
 825     ppc4xx
 826     sse
 827     ssse3
 828     vis
 829 '
 830
 831 HAVE_LIST="
 832     $ARCH_EXT_LIST
 833     $THREADS_LIST
 834     altivec_h
 835     arpa_inet_h
 836     bswap
 837     closesocket
 838     cmov
 839     conio_h
 840     dcbzl
 841     dev_bktr_ioctl_bt848_h
 842     dev_bktr_ioctl_meteor_h
 843     dev_ic_bt8xx_h
 844     dev_video_meteor_ioctl_meteor_h
 845     dev_video_bktr_ioctl_bt848_h
 846     dlfcn_h
 847     dlopen
 848     dos_paths
 849     ebp_available
 850     ebx_available
 851     fast_64bit
 852     fast_cmov
 853     fast_unaligned
 854     fork
 855     freetype2
 856     gethrtime
 857     GetProcessTimes
 858     getrusage
 859     imlib2
 860     inet_aton
 861     inline_asm
 862     libdc1394_1
 863     libdc1394_2
 864     llrint
 865     lrint
 866     lrintf
 867     machine_ioctl_bt848_h
 868     machine_ioctl_meteor_h
 869     malloc_h
 870     memalign
 871     mkstemp
 872     pld
 873     posix_memalign
 874     ppc64
 875     round
 876     roundf
 877     sdl
 878     sdl_video_size
 879     setmode
 880     socklen_t
 881     soundcard_h
 882     poll_h
 883     sys_mman_h
 884     sys_resource_h
 885     sys_select_h
 886     sys_soundcard_h
 887     sys_videoio_h
 888     termios_h
 889     threads
 890     truncf
 891     winsock2_h
 892     yasm
 893 "
 894
 895 # options emitted with CONFIG_ prefix but not available on command line
 896 CONFIG_EXTRA="
 897     fft_mmx
 898     oldscaler
 899 "
 900
 901 CMDLINE_SELECT="
 902     $ARCH_EXT_LIST
 903     $CONFIG_LIST
 904     $THREADS_LIST
 905     cross_compile
 906     debug
 907     extra_warnings
 908     logging
 909     optimizations
 910     stripping
 911 "
 912
 913 PATHS_LIST='
 914     bindir
 915     incdir
 916     libdir
 917     mandir
 918     prefix
 919     shlibdir
 920 '
 921
 922 CMDLINE_SET="
 923     $PATHS_LIST
 924     arch
 925     build_suffix
 926     cc
 927     cpu
 928     cross_prefix
 929     extra_version
 930     host_cc
 931     host_cflags
 932     host_ldflags
 933     host_libs
 934     logfile
 935     nm
 936     source_path
 937     target_exec
 938     target_os
 939     target_path
 940 "
 941
 942 # code dependency declarations
 943
 944 # architecture extensions
 945 altivec_deps="ppc"
 946 armv5te_deps="arm"
 947 armv6_deps="arm"
 948 armv6t2_deps="arm"
 949 armvfp_deps="arm"
 950 iwmmxt_deps="arm"
 951 mmi_deps="mips"
 952 mmx_deps="x86"
 953 mmx2_deps="x86 mmx"
 954 neon_deps="arm"
 955 ppc4xx_deps="ppc"
 956 sse_deps="mmx"
 957 ssse3_deps="x86 sse"
 958 vis_deps="sparc"
 959
 960 # common features
 961 fft_suggest="fft_mmx"
 962 fft_mmx_deps="mmx yasm"
 963 oldscaler_deps="!swscale"
 964
 965 # decoders / encoders
 966 aac_decoder_select="fft mdct"
 967 ac3_decoder_deps="gpl"
 968 ac3_decoder_select="fft mdct"
 969 atrac3_decoder_select="fft mdct"
 970 cavs_decoder_select="golomb"
 971 cook_decoder_select="fft mdct"
 972 cscd_decoder_suggest="zlib"
 973 dca_decoder_select="fft mdct"
 974 dnxhd_encoder_select="aandct"
 975 dxa_decoder_select="zlib"
 976 eac3_decoder_deps="gpl"
 977 eac3_decoder_select="fft mdct"
 978 eatgq_decoder_select="aandct"
 979 ffv1_decoder_select="golomb"
 980 flac_decoder_select="golomb"
 981 flac_encoder_select="golomb"
 982 flashsv_decoder_select="zlib"
 983 flashsv_encoder_select="zlib"
 984 flv_encoder_select="aandct"
 985 h261_encoder_select="aandct"
 986 h263_encoder_select="aandct"
 987 h263p_encoder_select="aandct"
 988 h264_decoder_select="golomb"
 989 h264_vdpau_decoder_deps="vdpau"
 990 imc_decoder_select="fft mdct"
 991 jpegls_decoder_select="golomb"
 992 jpegls_encoder_select="golomb"
 993 ljpeg_encoder_select="aandct"
 994 loco_decoder_select="golomb"
 995 mjpeg_encoder_select="aandct"
 996 mpeg1video_encoder_select="aandct"
 997 mpeg2video_encoder_select="aandct"
 998 mpeg4_encoder_select="aandct"
 999 mpeg_vdpau_decoder_deps="vdpau"
1000 mpeg1_vdpau_decoder_deps="vdpau"
1001 mpeg_xvmc_decoder_deps="xvmc X11_extensions_XvMClib_h"
1002 msmpeg4v1_encoder_select="aandct"
1003 msmpeg4v2_encoder_select="aandct"
1004 msmpeg4v3_encoder_select="aandct"
1005 nellymoser_decoder_select="fft mdct"
1006 nellymoser_encoder_select="fft mdct"
1007 png_decoder_select="zlib"
1008 png_encoder_select="zlib"
1009 qdm2_decoder_select="fft mdct"
1010 rv10_encoder_select="aandct"
1011 rv20_encoder_select="aandct"
1012 shorten_decoder_select="golomb"
1013 sonic_decoder_select="golomb"
1014 sonic_encoder_select="golomb"
1015 sonic_ls_encoder_select="golomb"
1016 svq3_decoder_select="golomb"
1017 svq3_decoder_suggest="zlib"
1018 tiff_decoder_suggest="zlib"
1019 tiff_encoder_suggest="zlib"
1020 tscc_decoder_select="zlib"
1021 vc1_vdpau_decoder_deps="vdpau"
1022 vorbis_decoder_select="fft mdct"
1023 vorbis_encoder_select="fft mdct"
1024 wmav1_decoder_select="fft mdct"
1025 wmav1_encoder_select="fft mdct"
1026 wmav2_decoder_select="fft mdct"
1027 wmav2_encoder_select="fft mdct"
1028 wmv1_encoder_select="aandct"
1029 wmv2_encoder_select="aandct"
1030 wmv3_vdpau_decoder_deps="vdpau"
1031 zlib_decoder_select="zlib"
1032 zlib_encoder_select="zlib"
1033 zmbv_decoder_select="zlib"
1034 zmbv_encoder_select="zlib"
1035
1036 # external libraries
1037 libamr_nb_decoder_deps="libamr_nb"
1038 libamr_nb_encoder_deps="libamr_nb"
1039 libamr_wb_decoder_deps="libamr_wb"
1040 libamr_wb_encoder_deps="libamr_wb"
1041 libdirac_decoder_deps="libdirac !libschroedinger"
1042 libdirac_encoder_deps="libdirac"
1043 libfaac_encoder_deps="libfaac"
1044 libfaad_decoder_deps="libfaad"
1045 libfaadbin_decoder_extralibs='$ldl'
1046 libgsm_decoder_deps="libgsm"
1047 libgsm_encoder_deps="libgsm"
1048 libgsm_ms_decoder_deps="libgsm"
1049 libgsm_ms_encoder_deps="libgsm"
1050 libmp3lame_encoder_deps="libmp3lame"
1051 libschroedinger_decoder_deps="libschroedinger"
1052 libschroedinger_encoder_deps="libschroedinger"
1053 libspeex_decoder_deps="libspeex"
1054 libtheora_encoder_deps="libtheora"
1055 libvorbis_encoder_deps="libvorbis"
1056 libx264_encoder_deps="libx264"
1057 libxvid_encoder_deps="libxvid"
1058 mpeg4aac_decoder_deps="libfaad"
1059 vdpau_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1060
1061 # demuxers / muxers
1062 ac3_demuxer_deps="ac3_parser"
1063 audio_beos_demuxer_deps="audio_beos"
1064 audio_beos_demuxer_extralibs="-lmedia -lbe"
1065 audio_beos_muxer_deps="audio_beos"
1066 audio_beos_muxer_extralibs="-lmedia -lbe"
1067 avisynth_demuxer_deps="avisynth"
1068 bktr_demuxer_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
1069 dirac_demuxer_deps="dirac_parser"
1070 dv1394_demuxer_deps="dv1394 dv_demuxer"
1071 libdc1394_demuxer_deps="libdc1394"
1072 libnut_demuxer_deps="libnut"
1073 libnut_muxer_deps="libnut"
1074 matroska_demuxer_suggest="zlib bzlib"
1075 mov_demuxer_suggest="zlib"
1076 mp3_demuxer_deps="mpegaudio_parser"
1077 oss_demuxer_deps_any="soundcard_h sys_soundcard_h"
1078 oss_muxer_deps_any="soundcard_h sys_soundcard_h"
1079 redir_demuxer_deps="network"
1080 rtp_muxer_deps="network rtp_protocol"
1081 rtsp_demuxer_deps="sdp_demuxer"
1082 sdp_demuxer_deps="rtp_protocol mpegts_demuxer"
1083 v4l_demuxer_deps="linux_videodev_h"
1084 v4l2_demuxer_deps_any="linux_videodev2_h sys_videoio_h"
1085 vfwcap_demuxer_deps="capCreateCaptureWindow"
1086 vfwcap_demuxer_extralibs="-lvfw32"
1087 x11_grab_device_demuxer_deps="x11grab XShmCreateImage"
1088 x11_grab_device_demuxer_extralibs="-lX11 -lXext"
1089
1090 # protocols
1091 http_protocol_deps="network"
1092 rtp_protocol_deps="udp_protocol"
1093 tcp_protocol_deps="network"
1094 udp_protocol_deps="network"
1095
1096 # filters
1097 movie_filter_deps="avfilter_lavf"
1098
1099 # programs
1100 ffplay_deps="sdl"
1101 ffserver_deps="ffm_muxer rtp_protocol rtsp_demuxer"
1102 ffserver_extralibs='$ldl'
1103 vhook_extralibs='$ldl'
1104
1105
1106 # default parameters
1107
1108 logfile="config.err"
1109
1110 # installation paths
1111 prefix_default="/usr/local"
1112 bindir_default='${prefix}/bin'
1113 incdir_default='${prefix}/include'
1114 libdir_default='${prefix}/lib'
1115 mandir_default='${prefix}/share/man'
1116 shlibdir_default="$libdir_default"
1117
1118 # toolchain
1119 ar="ar"
1120 cc_default="gcc"
1121 host_cc_default="gcc"
1122 ln_s="ln -sf"
1123 nm_default="nm"
1124 objformat="elf"
1125 ranlib="ranlib"
1126 strip="strip"
1127 yasmexe="yasm"
1128
1129 # machine
1130 arch=`uname -m`
1131 cpu="generic"
1132
1133 # OS
1134 target_os=$(tolower $(uname -s))
1135
1136 # configurable options
1137 enable debug
1138 enable ffmpeg
1139 enable ffplay
1140 enable ffserver
1141 enable ipv6
1142 enable mpegaudio_hp
1143 enable network
1144 enable oldscaler
1145 enable optimizations
1146 enable protocols
1147 enable static
1148 enable stripping
1149 vhook="default"
1150
1151 # build settings
1152 add_cflags -D_ISOC99_SOURCE -D_POSIX_C_SOURCE=200112
1153 SHFLAGS='-shared -Wl,-soname,$$(@F)'
1154 VHOOKSHFLAGS='$(SHFLAGS)'
1155 FFSERVERLDFLAGS=-Wl,-E
1156 LIBPREF="lib"
1157 LIBSUF=".a"
1158 FULLNAME='$(NAME)$(BUILDSUF)'
1159 LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
1160 SLIBPREF="lib"
1161 SLIBSUF=".so"
1162 SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
1163 SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
1164 SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
1165 LIB_INSTALL_EXTRA_CMD='$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
1166
1167 host_cflags='-O3 -g -Wall'
1168 host_libs='-lm'
1169
1170 target_path='.'
1171
1172 # gcc stupidly only outputs the basename of targets with -MM, but we need the
1173 # full relative path for objects in subdirectories for non-recursive Make.
1174 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,"'
1175
1176 # find source path
1177 source_path="`dirname \"$0\"`"
1178 enable source_path_used
1179 if test -z "$source_path" -o "$source_path" = "." ; then
1180     source_path="`pwd`"
1181     disable source_path_used
1182 else
1183     source_path="`cd \"$source_path\"; pwd`"
1184     echo "$source_path" | grep -q '[[:blank:]]' &&
1185         die "Out of tree builds are impossible with whitespace in source path."
1186 fi
1187
1188 FFMPEG_CONFIGURATION="$@"
1189
1190 find_things(){
1191     thing=$1
1192     pattern=$2
1193     file=$source_path/$3
1194     sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
1195 }
1196
1197 ENCODER_LIST=$(find_things  encoder  ENC      libavcodec/allcodecs.c)
1198 DECODER_LIST=$(find_things  decoder  DEC      libavcodec/allcodecs.c)
1199 PARSER_LIST=$(find_things   parser   PARSER   libavcodec/allcodecs.c)
1200 BSF_LIST=$(find_things      bsf      BSF      libavcodec/allcodecs.c)
1201 MUXER_LIST=$(find_things    muxer    _MUX     libavformat/allformats.c)
1202 DEMUXER_LIST=$(find_things  demuxer  DEMUX    libavformat/allformats.c)
1203 OUTDEV_LIST=$(find_things   muxer    _MUX     libavdevice/alldevices.c)
1204 INDEV_LIST=$(find_things    demuxer  DEMUX    libavdevice/alldevices.c)
1205 PROTOCOL_LIST=$(find_things protocol PROTOCOL libavformat/allformats.c)
1206 FILTER_LIST=$(find_things   filter   FILTER   libavfilter/allfilters.c)
1207
1208 enable $ARCH_EXT_LIST \
1209        $DECODER_LIST \
1210        $ENCODER_LIST \
1211        $PARSER_LIST \
1212        $BSF_LIST \
1213        $DEMUXER_LIST \
1214        $MUXER_LIST \
1215        $FILTER_LIST \
1216        $PROTOCOL_LIST \
1217        $INDEV_LIST \
1218        $OUTDEV_LIST \
1219
1220 die_unknown(){
1221     echo "Unknown option \"$1\"."
1222     echo "See $0 --help for available options."
1223     exit 1
1224 }
1225
1226 show_list() {
1227     suffix=_$1
1228     shift
1229     echo $* | sed s/$suffix//g | tr ' ' '\n' | sort
1230     exit 0
1231 }
1232
1233 for opt do
1234     optval="${opt#*=}"
1235     case "$opt" in
1236     --extra-cflags=*) add_cflags $optval
1237     ;;
1238     --extra-ldflags=*) add_ldflags $optval
1239     ;;
1240     --extra-libs=*) add_extralibs $optval
1241     ;;
1242     --disable-devices) disable $INDEV_LIST $OUTDEV_LIST
1243     ;;
1244     --enable-debug=*) debuglevel="$optval"
1245     ;;
1246     --enable-*=*|--disable-*=*)
1247     eval `echo "$opt" | sed 's/=/-/;s/--/action=/;s/-/ thing=/;s/-/ name=/'`
1248     case "$thing" in
1249         encoder|decoder|muxer|demuxer|parser|bsf|protocol|filter) $action ${optval}_${thing} ;;
1250         *) die_unknown "$opt" ;;
1251     esac
1252     ;;
1253     --enable-?*|--disable-?*)
1254     eval `echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g'`
1255     if is_in $option $COMPONENT_LIST; then
1256         eval $action \$$(toupper ${option%s})_LIST
1257     elif is_in $option $CMDLINE_SELECT; then
1258         $action $option
1259     else
1260         die_unknown $opt
1261     fi
1262     ;;
1263     --list-*)
1264         NAME="${opt#--list-}"
1265         is_in $NAME $COMPONENT_LIST || die_unknown $opt
1266         NAME=${NAME%s}
1267         eval show_list $NAME \$$(toupper $NAME)_LIST
1268     ;;
1269     --help|-h) show_help
1270     ;;
1271     *)
1272     optname="${opt%%=*}"
1273     optname="${optname#--}"
1274     optname=$(echo "$optname" | sed 's/-/_/g')
1275     is_in $optname $CMDLINE_SET || die_unknown $opt
1276     eval $optname='$optval'
1277     ;;
1278     esac
1279 done
1280
1281 disabled logging && logfile=/dev/null
1282
1283 echo "# $0 $@" > $logfile
1284 set >> $logfile
1285
1286 test -n "$cross_prefix" && enable cross_compile
1287
1288 ar="${cross_prefix}${ar}"
1289 cc_default="${cross_prefix}${cc_default}"
1290 nm_default="${cross_prefix}${nm_default}"
1291 ranlib="${cross_prefix}${ranlib}"
1292 strip="${cross_prefix}${strip}"
1293
1294 set_default cc nm
1295 enabled cross_compile || host_cc_default=$cc
1296 set_default host_cc
1297
1298 # set temporary file name
1299 : ${TMPDIR:=$TEMPDIR}
1300 : ${TMPDIR:=$TMP}
1301 : ${TMPDIR:=/tmp}
1302
1303 TMPC="${TMPDIR}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}.c"
1304 TMPE="${TMPDIR}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}${EXESUF}"
1305 TMPH="${TMPDIR}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}.h"
1306 TMPO="${TMPDIR}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}.o"
1307 TMPS="${TMPDIR}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}.S"
1308 TMPSH="${TMPDIR}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}.sh"
1309
1310 check_cflags -std=c99
1311
1312 case "$arch" in
1313     i386|i486|i586|i686|i86pc|BePC)
1314         arch="x86"
1315         subarch="x86_32"
1316         enable fast_unaligned
1317     ;;
1318     x86_64|amd64)
1319         arch="x86"
1320         subarch="x86_32"
1321         enable cmov
1322         enable fast_cmov
1323         enable fast_unaligned
1324         check_cc <<EOF && enable fast_64bit && subarch="x86_64"
1325         int test[sizeof(char*) - 7];
1326 EOF
1327     ;;
1328     arm|armv[4567]*l)
1329         arch="arm"
1330     ;;
1331     alpha)
1332         arch="alpha"
1333         enable fast_64bit
1334         check_cflags -mieee
1335     ;;
1336     "Power Macintosh"|ppc|powerpc)
1337         arch="ppc"
1338         enable fast_unaligned
1339     ;;
1340     ppc64)
1341         arch="ppc"
1342         enable fast_64bit
1343         enable fast_unaligned
1344     ;;
1345     mips|mipsel|IP*)
1346         arch="mips"
1347     ;;
1348     mips64)
1349         arch="mips"
1350         enable fast_64bit
1351     ;;
1352     sun4u|sparc64)
1353         arch="sparc"
1354         subarch="sparc64"
1355         enable fast_64bit
1356     ;;
1357     sparc)
1358         arch="sparc"
1359     ;;
1360     sh4|sh)
1361         arch="sh4"
1362     ;;
1363     parisc|hppa)
1364         arch="parisc"
1365     ;;
1366     parisc64|hppa64)
1367         arch="parisc"
1368         enable fast_64bit
1369     ;;
1370     s390|s390x)
1371         arch="s390"
1372     ;;
1373     m68k)
1374         arch="m68k"
1375     ;;
1376     ia64)
1377         arch="ia64"
1378         enable fast_64bit
1379     ;;
1380     bfin)
1381         arch="bfin"
1382     ;;
1383     *)
1384         arch="unknown"
1385     ;;
1386 esac
1387
1388 enable $arch $subarch
1389
1390 # OS specific
1391 case $target_os in
1392     beos|haiku|zeta)
1393         prefix_default="$HOME/config"
1394         # helps building libavcodec
1395         add_cflags -DPIC -fomit-frame-pointer
1396         # 3 gcc releases known for BeOS, each with ugly bugs
1397         gcc_version="`$cc -v 2>&1 | grep version | cut -d ' ' -f3-`"
1398         case "$gcc_version" in
1399           2.9-beos-991026*|2.9-beos-000224*) echo "R5/GG gcc"
1400             disable mmx
1401             ;;
1402           *20010315*) echo "BeBits gcc"
1403             add_cflags -fno-expensive-optimizations
1404             ;;
1405         esac
1406         SHFLAGS=-nostart
1407         # enable BeOS things
1408         enable audio_beos
1409         # no need for libm, but the inet stuff
1410         # Check for BONE
1411         # XXX: actually should check for NOT net_server
1412         if echo $BEINCLUDES | grep -q 'headers/be/bone'; then
1413             network_extralibs="-lbind -lsocket"
1414         else
1415             enable beos_netserver
1416             network_extralibs="-lnet"
1417         fi ;;
1418     sunos)
1419         FFSERVERLDFLAGS=""
1420         SHFLAGS='-shared -Wl,-h,$$(@F)'
1421         network_extralibs="-lsocket -lnsl"
1422         add_cflags -D__EXTENSIONS__
1423         ;;
1424     netbsd)
1425         oss_demuxer_extralibs="-lossaudio"
1426         oss_muxer_extralibs="-lossaudio"
1427         ;;
1428     openbsd)
1429         disable need_memalign
1430         LIBOBJFLAGS='$(PIC)'
1431         SHFLAGS='-shared'
1432         oss_demuxer_extralibs="-lossaudio"
1433         oss_muxer_extralibs="-lossaudio"
1434         ;;
1435     freebsd)
1436         disable need_memalign
1437         ;;
1438     bsd/os)
1439         osextralibs="-lpoll -lgnugetopt"
1440         strip="strip -d"
1441         ;;
1442     darwin)
1443         disable need_memalign
1444         SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(SHLIBDIR)/$(SLIBNAME),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR) -Wl,-read_only_relocs,suppress'
1445         VHOOKSHFLAGS='-dynamiclib -Wl,-single_module -flat_namespace -undefined suppress -Wl,-install_name,$(SHLIBDIR)/vhook/$$(@F)'
1446         strip="strip -x"
1447         FFLDFLAGS="-Wl,-dynamic,-search_paths_first"
1448         SLIBSUF=".dylib"
1449         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'
1450         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'
1451         FFSERVERLDFLAGS=-Wl,-bind_at_load
1452         objformat="macho"
1453         enabled x86_64 && objformat="macho64"
1454         ;;
1455     mingw32*)
1456         target_os=mingw32
1457         LIBTARGET=i386
1458         if enabled x86_64; then
1459             disable need_memalign
1460             LIBTARGET=x64
1461         fi
1462         shlibdir_default="$bindir_default"
1463         VHOOKSHFLAGS='-shared -L$(BUILD_ROOT)/libavformat -L$(BUILD_ROOT)/libavcodec -L$(BUILD_ROOT)/libavutil'
1464         VHOOKLIBS='-lavformat$(BUILDSUF) -lavcodec$(BUILDSUF) -lavutil$(BUILDSUF) $(EXTRALIBS)'
1465         if enabled swscale; then
1466             VHOOKSHFLAGS="$VHOOKSHFLAGS -L\$(BUILD_ROOT)/libswscale"
1467             VHOOKLIBS="$VHOOKLIBS -lswscale\$(BUILDSUF)"
1468         fi
1469         disable ffserver
1470         SLIBPREF=""
1471         SLIBSUF=".dll"
1472         EXESUF=".exe"
1473         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
1474         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
1475         SLIB_EXTRA_CMD='-lib /machine:$(LIBTARGET) /def:$$(@:$(SLIBSUF)=.def) /out:$(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib)'
1476         SLIB_INSTALL_EXTRA_CMD='-install -m 644 $(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib) "$(SHLIBDIR)/$(SLIBNAME:$(SLIBSUF)=.lib)"; \
1477             install -m 644 $(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib) "$(SHLIBDIR)/$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib)"'
1478         SLIB_UNINSTALL_EXTRA_CMD='rm -f "$(SHLIBDIR)/$(SLIBNAME:$(SLIBSUF)=.lib)"'
1479         SHFLAGS='-shared -Wl,--output-def,$$(@:$(SLIBSUF)=.def) -Wl,--enable-runtime-pseudo-reloc -Wl,--enable-auto-image-base'
1480         objformat="win32"
1481         enable dos_paths
1482         check_cpp_condition _mingw.h "(__MINGW32_MAJOR_VERSION > 3) || (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" ||
1483             die "ERROR: MinGW runtime version must be >= 3.15."
1484         enabled_any avisynth vfwcap_demuxer &&
1485             { check_cpp_condition w32api.h "(__W32API_MAJOR_VERSION > 3) || (__W32API_MAJOR_VERSION == 3 && __W32API_MINOR_VERSION >= 13)" ||
1486               die "ERROR: avisynth and vfwcap_demuxer require w32api version 3.13 or later."; }
1487         ;;
1488     cygwin*)
1489         target_os=cygwin
1490         shlibdir_default="$bindir_default"
1491         VHOOKSHFLAGS='-shared -L$(BUILD_ROOT)/libavformat -L$(BUILD_ROOT)/libavcodec -L$(BUILD_ROOT)/libavutil'
1492         VHOOKLIBS='-lavformat$(BUILDSUF) -lavcodec$(BUILDSUF) -lavutil$(BUILDSUF) $(EXTRALIBS)'
1493         if enabled swscale; then
1494             VHOOKSHFLAGS="$VHOOKSHFLAGS -L\$(BUILD_ROOT)/libswscale"
1495             VHOOKLIBS="$VHOOKLIBS -lswscale\$(BUILDSUF)"
1496         fi
1497         EXESUF=".exe"
1498         SLIBPREF="cyg"
1499         SLIBSUF=".dll"
1500         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
1501         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
1502         SHFLAGS='-shared -Wl,--enable-auto-image-base'
1503         objformat="win32"
1504         enable dos_paths
1505         ;;
1506     *-dos|freedos|opendos)
1507         disable ffplay ffserver vhook
1508         disable $INDEV_LIST $OUTDEV_LIST
1509         network_extralibs="-lsocket"
1510         EXESUF=".exe"
1511         objformat="coff"
1512         enable dos_paths
1513         ;;
1514     linux)
1515         enable dv1394
1516         ;;
1517     irix*)
1518         target_os=irix
1519         ranlib="echo ignoring ranlib"
1520         ;;
1521     os/2*)
1522         strip="lxlite"
1523         ln_s="cp -f"
1524         EXESUF=".exe"
1525         FFLDFLAGS="-Zomf -Zbin-files -Zargs-wild -Zmap"
1526         SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'
1527         FFSERVERLDFLAGS=""
1528         LIBSUF="_s.a"
1529         SLIBPREF=""
1530         SLIBSUF=".dll"
1531         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
1532         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(NAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'
1533         SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(NAME).def; \
1534           echo PROTMODE >> $(SUBDIR)$(NAME).def; \
1535           echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(NAME).def; \
1536           echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(NAME).def; \
1537           echo EXPORTS >> $(SUBDIR)$(NAME).def; \
1538           emxexp -o $(OBJS) >> $(SUBDIR)$(NAME).def'
1539         SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(NAME).def; \
1540           emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib $(SUBDIR)$(NAME).def;'
1541         SLIB_INSTALL_EXTRA_CMD='install -m 644 $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib "$(LIBDIR)"'
1542         SLIB_UNINSTALL_EXTRA_CMD='rm -f "$(LIBDIR)"/$(LIBPREF)$(NAME)_dll.a "$(LIBDIR)"/$(LIBPREF)$(NAME)_dll.lib'
1543         disable vhook
1544         enable dos_paths
1545         ;;
1546     interix)
1547         disable vhook
1548         ;;
1549
1550     *)
1551         target_os="${target_os}-UNKNOWN"
1552         ;;
1553 esac
1554
1555 set_default $PATHS_LIST
1556
1557 add_extralibs $osextralibs
1558
1559 # Combine FFLDFLAGS and the LDFLAGS environment variable.
1560 LDFLAGS="$FFLDFLAGS $LDFLAGS"
1561
1562 # we need to build at least one lib type
1563 if ! enabled_any static shared; then
1564     cat <<EOF
1565 At least one library type must be built.
1566 Specify --enable-static to build the static libraries or --enable-shared to
1567 build the shared libraries as well. To only build the shared libraries specify
1568 --disable-static in addition to --enable-shared.
1569 EOF
1570     exit 1;
1571 fi
1572
1573 disabled static && LIBNAME=""
1574
1575 if enabled_any libfaad libfaadbin ; then
1576     if check_header faad.h; then
1577         check_cc <<EOF
1578 #include <faad.h>
1579 #ifndef FAAD2_VERSION
1580 ok faad1
1581 #endif
1582 int main(void) { return 0; }
1583 EOF
1584         test $? = 0 && enable libfaad2
1585     else
1586         die "FAAD test failed."
1587     fi
1588 fi
1589
1590
1591 if ! enabled gpl; then
1592     die_gpl_disabled(){
1593         name=$1
1594         shift
1595         enabled_any $@ && die "$name is under GPL and --enable-gpl is not specified."
1596     }
1597     die_gpl_disabled "The Postprocessing code" postproc
1598     die_gpl_disabled "libx264"                 libx264
1599     die_gpl_disabled "libxvidcore"             libxvid
1600     die_gpl_disabled "FAAD2"                   libfaad2
1601     die_gpl_disabled "The X11 grabber"         x11grab
1602     die_gpl_disabled "The software scaler"     swscale
1603 fi
1604
1605 if ! enabled nonfree && enabled_any libamr_nb libamr_wb; then
1606     die "libamr is nonfree and --enable-nonfree is not specified."
1607 fi
1608
1609 check_deps $ARCH_EXT_LIST
1610
1611 test -z "$need_memalign" && need_memalign="$mmx"
1612
1613 #Darwin CC versions
1614 if test $target_os = darwin; then
1615     if $cc -v 2>&1 | grep -q xlc; then
1616         add_cflags -qpdf2 -qlanglvl=extc99 -qmaxmem=-1 -qarch=auto -qtune=auto
1617     else
1618         add_cflags -pipe
1619         check_cflags -force_cpusubtype_ALL
1620         check_cflags -Wno-sign-compare
1621         enabled shared || check_cflags -mdynamic-no-pic
1622     fi
1623 fi
1624
1625 disabled optimizations || check_cflags -fomit-frame-pointer
1626
1627 # Add processor-specific flags
1628 if test $cpu != "generic"; then
1629     warn_altivec(){
1630         $1 altivec && echo "WARNING: Tuning for $2 but AltiVec $1.";
1631     }
1632     case $cpu in
1633         601|ppc601|PowerPC601)
1634             add_cflags -mcpu=601
1635             warn_altivec enabled PPC601
1636         ;;
1637         603*|ppc603*|PowerPC603*)
1638             add_cflags -mcpu=603
1639             warn_altivec enabled PPC603
1640         ;;
1641         604*|ppc604*|PowerPC604*)
1642             add_cflags -mcpu=604
1643             warn_altivec enabled PPC604
1644         ;;
1645         G3|g3|75*|ppc75*|PowerPC75*)
1646             add_cflags -mcpu=750 -mpowerpc-gfxopt
1647             warn_altivec enabled PPC75x
1648         ;;
1649         G4|g4|745*|ppc745*|PowerPC745*)
1650             add_cflags -mcpu=7450 -mpowerpc-gfxopt
1651             warn_altivec disabled PPC745x
1652         ;;
1653         74*|ppc74*|PowerPC74*)
1654             add_cflags -mcpu=7400 -mpowerpc-gfxopt
1655             warn_altivec disabled PPC74xx
1656         ;;
1657         G5|g5|970|ppc970|PowerPC970|power4*|Power4*)
1658             add_cflags -mcpu=970 -mpowerpc-gfxopt -mpowerpc64
1659             warn_altivec disabled PPC970
1660             enable ppc64
1661         ;;
1662         Cell|CELL|cell)
1663             add_cflags -mcpu=cell
1664             warn_altivec disabled Cell
1665             enable ppc64
1666         ;;
1667         # targets that do NOT support conditional mov (cmov)
1668         i[345]86|pentium|pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
1669             add_cflags -march=$cpu
1670             disable cmov
1671         ;;
1672         # targets that do support conditional mov (cmov)
1673         i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64|k8|opteron|athlon-fx|core2)
1674             add_cflags -march=$cpu
1675             enable cmov
1676             enable fast_cmov
1677         ;;
1678         # targets that do support conditional mov but on which it's slow
1679         pentium4|pentium4m|prescott|nocona)
1680             add_cflags -march=$cpu
1681             enable cmov
1682             disable fast_cmov
1683         ;;
1684         sparc64)
1685             add_cflags -mcpu=v9
1686         ;;
1687         arm11*|cortex*)
1688             add_cflags -mcpu=$cpu
1689             enable fast_unaligned
1690         ;;
1691         armv*)
1692             add_cflags -march=$cpu
1693         ;;
1694         arm*)
1695             add_cflags -mcpu=$cpu
1696         ;;
1697         ev4|ev45|ev5|ev56|pca56|ev6|ev67)
1698             add_cflags -mcpu=$cpu
1699         ;;
1700         *)
1701             echo "WARNING: Unknown CPU \"$cpu\", ignored."
1702         ;;
1703     esac
1704 fi
1705
1706 # make sure we can execute files in $TMPDIR
1707 cat > $TMPSH 2>> $logfile <<EOF
1708 #! /bin/sh
1709 EOF
1710 chmod +x $TMPSH >> $logfile 2>&1
1711 if ! $TMPSH >> $logfile 2>&1; then
1712     cat <<EOF
1713 Unable to create and execute files in $TMPDIR.  Set the TMPDIR environment
1714 variable to another directory and make sure that it is not mounted noexec.
1715 EOF
1716     die "Sanity test failed."
1717 fi
1718 rm $TMPSH
1719
1720 # compiler sanity check
1721 check_exec <<EOF
1722 int main(void){ return 0; }
1723 EOF
1724 if test "$?" != 0; then
1725     echo "$cc is unable to create an executable file."
1726     if test -z "$cross_prefix" && ! enabled cross_compile ; then
1727         echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
1728         echo "Only do this if you know what cross compiling means."
1729     fi
1730     die "C compiler test failed."
1731 fi
1732
1733 check_cc <<EOF || die "Symbol mangling check failed."
1734 int ff_extern;
1735 EOF
1736 sym=$($nm -P -g $TMPO | grep ff_extern)
1737 extern_prefix=${sym%%ff_extern*}
1738
1739 check_asm inline_asm '""'
1740
1741 if enabled x86; then
1742     # check whether EBP is available on x86
1743     # As 'i' is stored on the stack, this program will crash
1744     # if the base pointer is used to access it because the
1745     # base pointer is cleared in the inline assembly code.
1746     check_exec_crash <<EOF && enable ebp_available
1747     volatile int i=0;
1748     __asm__ volatile (
1749         "xorl %%ebp, %%ebp"
1750     ::: "%ebp");
1751     return i;
1752 EOF
1753
1754     # check wether EBX is available on x86
1755     check_asm ebx_available '"":::"%ebx"'
1756
1757     # check whether binutils is new enough to compile SSSE3/MMX2
1758     enabled ssse3 && check_asm ssse3 '"pabsw %xmm0, %xmm0"'
1759     enabled mmx2  && check_asm mmx2  '"movss %xmm0, %xmm0"'
1760
1761     check_asm bswap '"bswap %%eax" ::: "%eax"'
1762
1763     YASMFLAGS="-f $objformat -DARCH_$(toupper $subarch)"
1764     enabled     x86_64        && append YASMFLAGS "-m amd64"
1765     enabled_all x86_64 shared && append YASMFLAGS "-DPIC"
1766     case "$objformat" in
1767         elf) enabled debug && append YASMFLAGS "-g dwarf2" ;;
1768         macho64)              append YASMFLAGS "-DPIC -DPREFIX" ;;
1769         *)                    append YASMFLAGS "-DPREFIX"  ;;
1770     esac
1771     check_yasm "pabsw xmm0, xmm0" && enable yasm
1772 fi
1773
1774 # check for assembler specific support
1775
1776 enabled ppc && check_asm dcbzl '"dcbzl 0, 1"'
1777 enabled ppc && check_asm ppc4xx '"maclhw r10, r11, r12"'
1778
1779 # check for SIMD availability
1780
1781 # AltiVec flags: The FSF version of GCC differs from the Apple version
1782 if enabled altivec; then
1783     check_cflags -maltivec -mabi=altivec &&
1784         { check_header altivec.h && inc_altivec_h="#include <altivec.h>" ; } ||
1785         check_cflags -faltivec
1786
1787     # check if our compiler supports Motorola AltiVec C API
1788     check_cc <<EOF || disable altivec
1789 $inc_altivec_h
1790 int main(void) {
1791     vector signed int v1, v2, v3;
1792     v1 = vec_add(v2,v3);
1793     return 0;
1794 }
1795 EOF
1796
1797     # check if our compiler supports braces for vector declarations
1798     check_cc <<EOF || die "You need a compiler that supports {} in AltiVec vector declarations."
1799 $inc_altivec_h
1800 int main (void) { (vector int) {1}; return 0; }
1801 EOF
1802 fi
1803
1804 # We have to check if pld is a nop and disable it.
1805 enabled arm     && check_asm pld     '"pld [r0]"'
1806 enabled armv5te && check_asm armv5te '"qadd r0, r0, r0"'
1807 enabled armv6   && check_asm armv6   '"sadd16 r0, r0, r0"'
1808 enabled armv6t2 && check_asm armv6t2 '"movt r0, #0"'
1809 enabled armvfp  && check_asm armvfp  '"fadds s0, s0, s0"'
1810 enabled iwmmxt  && check_asm iwmmxt  '"wunpckelub wr6, wr4"'
1811 enabled mmi     && check_asm mmi     '"lq $2, 0($2)"'
1812 enabled neon    && check_asm neon    '"vadd.i16 q0, q0, q0"'
1813 enabled vis     && check_asm vis     '"pdist %f0, %f0, %f0"' -mcpu=ultrasparc
1814
1815 enabled vis && add_cflags -mcpu=ultrasparc -mtune=ultrasparc
1816
1817 # ---
1818 # big/little-endian test
1819 check_cc <<EOF || die "endian test failed"
1820 unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';
1821 EOF
1822 od -A n -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian
1823
1824 # ---
1825 # check availability of some header files
1826
1827 if check_func dlopen; then
1828     ldl=
1829 elif check_func dlopen -ldl; then
1830     ldl=-ldl
1831 fi
1832
1833 check_func  fork
1834 check_func  gethrtime
1835 check_func  getrusage
1836 check_func  inet_aton $network_extralibs
1837 check_func  memalign
1838 check_func  mkstemp
1839 check_func  posix_memalign
1840 check_func_headers io.h setmode
1841 check_func_headers windows.h GetProcessTimes
1842
1843 check_header conio.h
1844 check_header dlfcn.h
1845 check_header malloc.h
1846 check_header poll.h
1847 check_header sys/mman.h
1848 check_header sys/resource.h
1849 check_header sys/select.h
1850 check_header termios.h
1851 check_header vdpau/vdpau.h
1852 check_header vdpau/vdpau_x11.h
1853 check_header X11/extensions/XvMClib.h
1854
1855 if ! enabled_any memalign memalign_hack posix_memalign && enabled need_memalign ; then
1856     die "Error, no aligned memory allocator but SSE enabled, disable it or use --enable-memalign-hack."
1857 fi
1858
1859 disabled  zlib || check_lib   zlib.h      zlibVersion -lz   || disable  zlib
1860 disabled bzlib || check_lib2 bzlib.h BZ2_bzlibVersion -lbz2 || disable bzlib
1861
1862 # check for some common methods of building with pthread support
1863 # do this before the optional library checks as some of them require pthreads
1864 if enabled pthreads; then
1865     if check_func pthread_create; then
1866         :
1867     elif check_func pthread_create -pthread; then
1868         add_cflags -pthread
1869         add_extralibs -pthread
1870     elif check_func pthread_create -pthreads; then
1871         add_cflags -pthreads
1872         add_extralibs -pthreads
1873     elif check_func pthread_create -lpthreadGC2; then
1874         add_extralibs -lpthreadGC2
1875     elif ! check_lib pthread.h pthread_create -lpthread; then
1876         die "ERROR: can't find pthreads library"
1877     fi
1878 fi
1879
1880 for thread in $THREADS_LIST; do
1881     if enabled $thread; then
1882         test -n "$thread_type" &&
1883             die "ERROR: Only one thread type must be selected." ||
1884             thread_type="$thread"
1885     fi
1886 done
1887
1888 check_lib math.h sin -lm
1889
1890 # test for C99 functions in math.h
1891 for func in llrint lrint lrintf round roundf truncf; do
1892     check_exec <<EOF && enable $func || disable $func
1893 #include <math.h>
1894 int main(void) { return ($func(3.999f) > 0)?0:1; }
1895 EOF
1896 done
1897
1898 # these are off by default, so fail if requested and not available
1899 enabled avisynth   && require2 vfw32 "windows.h vfw.h" AVIFileInit -lvfw32
1900 enabled libamr_nb  && require  libamrnb amrnb/interf_dec.h Speech_Decode_Frame_init -lamrnb -lm
1901 enabled libamr_wb  && require  libamrwb amrwb/dec_if.h D_IF_init -lamrwb -lm
1902 enabled libdirac   && add_cflags $(pkg-config --cflags dirac) &&
1903                       require  libdirac libdirac_decoder/dirac_parser.h dirac_decoder_init -ldirac_decoder &&
1904                       require  libdirac libdirac_encoder/dirac_encoder.h dirac_encoder_init -ldirac_encoder
1905 enabled libfaac    && require2 libfaac "stdint.h faac.h" faacEncGetVersion -lfaac
1906 enabled libfaad    && require2 libfaad faad.h faacDecOpen -lfaad
1907 enabled libgsm     && require  libgsm gsm.h gsm_create -lgsm
1908 enabled libmp3lame && require  libmp3lame lame/lame.h lame_init -lmp3lame -lm
1909 enabled libnut     && require  libnut libnut.h nut_demuxer_init -lnut
1910 enabled libschroedinger && add_cflags $(pkg-config --cflags schroedinger-1.0) &&
1911                            require libschroedinger schroedinger/schro.h schro_init $(pkg-config --libs schroedinger-1.0)
1912 enabled libspeex   && require  libspeex speex/speex.h speex_decoder_init -lspeex
1913 enabled libtheora  && require  libtheora theora/theora.h theora_info_init -ltheora -logg
1914 enabled libvorbis  && require  libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbisenc -lvorbis -logg
1915 enabled libx264    && require  libx264 x264.h x264_encoder_open -lx264 -lm &&
1916                       { check_cpp_condition x264.h "X264_BUILD >= 65" ||
1917                         die "ERROR: libx264 version must be >= 0.65."; }
1918 enabled libxvid    && require  libxvid xvid.h xvid_global -lxvidcore
1919 enabled mlib       && require  mediaLib mlib_types.h mlib_VectorSub_S16_U8_Mod -lmlib
1920
1921 # libdc1394 check
1922 if enabled libdc1394; then
1923     { check_lib dc1394/dc1394.h dc1394_new -ldc1394 -lraw1394 &&
1924         enable libdc1394_2; } ||
1925     { check_lib libdc1394/dc1394_control.h dc1394_create_handle -ldc1394_control -lraw1394 &&
1926         enable libdc1394_1; } ||
1927     die "ERROR: No version of libdc1394 found "
1928 fi
1929
1930
1931 _restrict=
1932 for restrict_keyword in restrict __restrict__ __restrict; do
1933     check_cc <<EOF && _restrict=$restrict_keyword && break
1934 void foo(char * $restrict_keyword p);
1935 EOF
1936 done
1937
1938 test "$vhook" = "default" && vhook="$dlopen"
1939
1940 if test "$target_os" = cygwin -o "$target_os" = mingw32 && enabled_all static vhook ; then
1941     disable vhook
1942     echo
1943     echo "At the moment vhooks don't work on Cygwin or MinGW static builds."
1944     echo "Patches welcome."
1945     echo
1946 fi
1947
1948 if enabled vhook; then
1949     check_ldflags -rdynamic
1950     check_ldflags -export-dynamic
1951 fi
1952
1953 check_foo_config imlib2 imlib2 Imlib2.h imlib_load_font
1954 check_foo_config freetype2 freetype ft2build.h FT_Init_FreeType
1955
1956 ##########################################
1957 # SDL check
1958
1959 disable sdl_too_old
1960 disable sdl
1961 SDL_CONFIG="${cross_prefix}sdl-config"
1962 if "${SDL_CONFIG}" --version > /dev/null 2>&1; then
1963     sdl_cflags=`"${SDL_CONFIG}" --cflags`
1964     temp_cflags $sdl_cflags
1965     temp_extralibs `"${SDL_CONFIG}" --libs`
1966     if check_lib2 SDL.h SDL_Init; then
1967         _sdlversion=`"${SDL_CONFIG}" --version | sed 's/[^0-9]//g'`
1968         if test "$_sdlversion" -lt 121 ; then
1969             enable sdl_too_old
1970         else
1971             enable sdl
1972             check_cc $sdl_cflags <<EOF && enable sdl_video_size
1973 #include <SDL.h>
1974 int main(int argc, char **argv){
1975     const SDL_VideoInfo *vi = SDL_GetVideoInfo();
1976     int w = vi->current_w;
1977     return 0;
1978 }
1979 EOF
1980         fi
1981     fi
1982     restore_flags
1983 fi
1984
1985 texi2html -version > /dev/null 2>&1 && enable texi2html || disable texi2html
1986
1987 ##########################################
1988 # Network check
1989
1990 if enabled network; then
1991     check_type "sys/types.h sys/socket.h" socklen_t
1992     # Prefer arpa/inet.h over winsock2
1993     if check_header arpa/inet.h ; then
1994         check_func closesocket
1995     elif check_header winsock2.h ; then
1996         network_extralibs="-lws2_32"
1997         check_type ws2tcpip.h socklen_t
1998         check_func_headers winsock2.h closesocket
1999     fi
2000 fi
2001
2002 ##########################################
2003 # IPv6 check
2004
2005 enabled network && enabled ipv6 && check_ld <<EOF && enable ipv6 || disable ipv6
2006 #include <sys/types.h>
2007 #include <sys/socket.h>
2008 #include <netinet/in.h>
2009 #include <netdb.h>
2010 int main(void) {
2011     struct sockaddr_storage saddr;
2012     struct ipv6_mreq mreq6;
2013     getaddrinfo(0,0,0,0);
2014     getnameinfo(0,0,0,0,0,0,0);
2015     IN6_IS_ADDR_MULTICAST((const struct in6_addr *)0);
2016 }
2017 EOF
2018
2019 check_header linux/videodev.h
2020 check_header linux/videodev2.h
2021 check_header sys/videoio.h
2022
2023 check_func_headers "windows.h vfw.h" capCreateCaptureWindow -lvfw32
2024
2025 # check for ioctl_meteor.h, ioctl_bt848.h and alternatives
2026 { check_header dev/bktr/ioctl_meteor.h &&
2027   check_header dev/bktr/ioctl_bt848.h; } ||
2028 { check_header machine/ioctl_meteor.h &&
2029   check_header machine/ioctl_bt848.h; } ||
2030 { check_header dev/video/meteor/ioctl_meteor.h &&
2031   check_header dev/video/bktr/ioctl_bt848.h; } ||
2032 check_header dev/ic/bt8xx.h
2033
2034 check_header sys/soundcard.h
2035 check_header soundcard.h
2036
2037 # deal with the X11 frame grabber
2038 enabled x11grab                         &&
2039 check_header X11/Xlib.h                 &&
2040 check_header X11/extensions/XShm.h      &&
2041 check_func XOpenDisplay -lX11           &&
2042 check_func XShmCreateImage -lX11 -lXext
2043
2044 enabled debug && add_cflags -g"$debuglevel"
2045
2046 # add some useful compiler flags if supported
2047 check_cflags -Wdeclaration-after-statement
2048 check_cflags -Wall
2049 check_cflags -Wno-switch
2050 check_cflags -Wdisabled-optimization
2051 check_cflags -Wpointer-arith
2052 check_cflags -Wredundant-decls
2053 check_cflags -Wno-pointer-sign
2054 check_cflags -Wcast-qual
2055 check_cflags -Wwrite-strings
2056 check_cflags -Wtype-limits
2057 check_cflags -Wundef
2058 enabled extra_warnings && check_cflags -Winline
2059
2060 # add some linker flags
2061 check_ldflags -Wl,--warn-common
2062 check_ldflags -Wl,--as-needed
2063 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'
2064 check_ldflags -Wl,-Bsymbolic
2065
2066 if enabled small; then
2067     check_cflags -Os            # not all compilers support -Os
2068     optimizations="small"
2069 elif enabled optimizations; then
2070     if $cc -v 2>&1 | grep -q xlc; then
2071         add_cflags  -O5
2072         add_ldflags -O5
2073     else
2074         add_cflags -O3
2075     fi
2076 fi
2077 check_cflags -fno-math-errno
2078 check_cflags -fno-signed-zeros
2079
2080 # add some flags for Intel C Compiler
2081 if $cc --version 2> /dev/null | grep -q Intel; then
2082   # Just warnings, no remarks
2083   check_cflags -w1
2084   # -wd: Disable following warnings
2085   # 144, 167, 556: -Wno-pointer-sign
2086   # 10006: ignoring unknown option -fno-signed-zeros
2087   # 10156: ignoring option '-W'; no argument required
2088   check_cflags -wd144,167,556,10006,10156
2089   # 11030: Warning unknown option --as-needed
2090   # 10156: ignoring option '-export'; no argument required
2091   check_ldflags -wd10156,11030
2092   # Allow to compile with optimizations
2093   check_ldflags -march=$cpu
2094 fi
2095
2096 # PIC flags for shared library objects where they are needed
2097 if enabled shared; then
2098     # LIBOBJFLAGS may have already been set in the OS configuration
2099     if test -z "$LIBOBJFLAGS" ; then
2100         case "${subarch-$arch}" in
2101             x86_64|ia64|alpha|sparc*|power*|parisc*|mips*) LIBOBJFLAGS='$(PIC)' ;;
2102         esac
2103     fi
2104 fi
2105
2106 if enabled gprof; then
2107     add_cflags  -p
2108     add_ldflags -p
2109 fi
2110
2111 VHOOKCFLAGS="-fPIC"
2112
2113 # Find out if the .align argument is a power of two or not.
2114 check_asm asmalign_pot '".align 3"'
2115
2116 enabled_any $DECODER_LIST      && enable decoders
2117 enabled_any $ENCODER_LIST      && enable encoders
2118 enabled_any $BSF_LIST          && enable bsfs
2119 enabled_any $DEMUXER_LIST      && enable demuxers
2120 enabled_any $MUXER_LIST        && enable muxers
2121 enabled_any $FILTER_LIST       && enable filters
2122 enabled_any $INDEV_LIST        && enable demuxers
2123 enabled_any $OUTDEV_LIST       && enable muxers
2124 enabled_any $PROTOCOL_LIST     && enable protocols
2125
2126 enabled_any $THREADS_LIST      && enable threads
2127
2128 check_deps $CONFIG_LIST       \
2129            $CONFIG_EXTRA      \
2130            $HAVE_LIST         \
2131            $DECODER_LIST      \
2132            $ENCODER_LIST      \
2133            $PARSER_LIST       \
2134            $BSF_LIST          \
2135            $DEMUXER_LIST      \
2136            $MUXER_LIST        \
2137            $FILTER_LIST       \
2138            $INDEV_LIST        \
2139            $OUTDEV_LIST       \
2140            $PROTOCOL_LIST     \
2141
2142 echo "install prefix            $prefix"
2143 echo "source path               $source_path"
2144 echo "C compiler                $cc"
2145 echo ".align is power-of-two    $asmalign_pot"
2146 echo "ARCH                      $arch ($cpu)"
2147 if test "$build_suffix" != ""; then
2148     echo "build suffix              $build_suffix"
2149 fi
2150 if test "$extra_version" != ""; then
2151     echo "version string suffix     $extra_version"
2152 fi
2153 echo "big-endian                ${bigendian-no}"
2154 if enabled x86; then
2155     echo "yasm                      ${yasm-no}"
2156     echo "MMX enabled               ${mmx-no}"
2157     echo "SSE enabled               ${sse-no}"
2158     echo "CMOV enabled              ${cmov-no}"
2159     echo "CMOV is fast              ${fast_cmov-no}"
2160     echo "EBX available             ${ebx_available-no}"
2161     echo "EBP available             ${ebp_available-no}"
2162 fi
2163 if enabled arm; then
2164     echo "ARMv5TE enabled           ${armv5te-no}"
2165     echo "ARMv6 enabled             ${armv6-no}"
2166     echo "ARMv6T2 enabled           ${armv6t2-no}"
2167     echo "ARM VFP enabled           ${armvfp-no}"
2168     echo "IWMMXT enabled            ${iwmmxt-no}"
2169     echo "NEON enabled              ${neon-no}"
2170 fi
2171 if enabled mips; then
2172     echo "MMI enabled               ${mmi-no}"
2173 fi
2174 if enabled ppc; then
2175     echo "AltiVec enabled           ${altivec-no}"
2176     echo "dcbzl available           ${dcbzl-no}"
2177 fi
2178 echo "gprof enabled             ${gprof-no}"
2179 echo "debug symbols             ${debug-no}"
2180 echo "strip symbols             ${stripping-no}"
2181 echo "optimizations             ${optimizations-no}"
2182 echo "static                    ${static-no}"
2183 echo "shared                    ${shared-no}"
2184 echo "postprocessing support    ${postproc-no}"
2185 echo "software scaler enabled   ${swscale-no}"
2186 echo "new filter support        ${avfilter-no}"
2187 echo "filters using lavformat   ${avfilter_lavf-no}"
2188 echo "video hooking             ${vhook-no}"
2189 if enabled vhook; then
2190     echo "Imlib2 support            ${imlib2-no}"
2191     echo "FreeType support          ${freetype2-no}"
2192 fi
2193 echo "network support           ${network-no}"
2194 if enabled network; then
2195     echo "IPv6 support              ${ipv6-no}"
2196 fi
2197 echo "threading support         ${thread_type-no}"
2198 echo "SDL support               ${sdl-no}"
2199 if enabled sdl_too_old; then
2200     echo "-> Your SDL version is too old - please upgrade to have FFplay/SDL support."
2201 fi
2202 echo "Sun medialib support      ${mlib-no}"
2203 echo "AVISynth enabled          ${avisynth-no}"
2204 echo "libamr-nb support         ${libamr_nb-no}"
2205 echo "libamr-wb support         ${libamr_wb-no}"
2206 echo "libdc1394 support         ${libdc1394-no}"
2207 echo "libdirac enabled          ${libdirac-no}"
2208 echo "libfaac enabled           ${libfaac-no}"
2209 echo "libfaad enabled           ${libfaad-no}"
2210 echo "libfaad dlopened          ${libfaadbin-no}"
2211 echo "libgsm enabled            ${libgsm-no}"
2212 echo "libmp3lame enabled        ${libmp3lame-no}"
2213 echo "libnut enabled            ${libnut-no}"
2214 echo "libschroedinger enabled   ${libschroedinger-no}"
2215 echo "libspeex enabled          ${libspeex-no}"
2216 echo "libtheora enabled         ${libtheora-no}"
2217 echo "libvorbis enabled         ${libvorbis-no}"
2218 echo "libx264 enabled           ${libx264-no}"
2219 echo "libxvid enabled           ${libxvid-no}"
2220 echo "vdpau enabled             ${vdpau-no}"
2221 echo "zlib enabled              ${zlib-no}"
2222 echo "bzlib enabled             ${bzlib-no}"
2223 echo
2224
2225 for type in decoder encoder parser demuxer muxer protocol filter bsf indev outdev; do
2226     echo "Enabled ${type}s:"
2227     eval list=\$$(toupper $type)_LIST
2228     for part in $list; do
2229         enabled $part && echo ${part%_*}
2230     done | sort | pr -3 -t
2231     echo
2232 done
2233
2234 license="LGPL"
2235 if enabled nonfree; then
2236     license="unredistributable"
2237 elif enabled gpl; then
2238     license="GPL"
2239 fi
2240
2241 echo "License: $license"
2242
2243 echo "Creating config.mak and config.h..."
2244
2245 echo "# Automatically generated by configure - do not modify!" > config.mak
2246 echo "/* Automatically generated by configure - do not modify! */" > $TMPH
2247 echo "#ifndef FFMPEG_CONFIG_H" >> $TMPH
2248 echo "#define FFMPEG_CONFIG_H" >> $TMPH
2249 echo "#define FFMPEG_CONFIGURATION \"$FFMPEG_CONFIGURATION\"" >> $TMPH
2250
2251 echo "FFMPEG_CONFIGURATION=$FFMPEG_CONFIGURATION" >> config.mak
2252 echo "prefix=$prefix" >> config.mak
2253 echo "LIBDIR=\$(DESTDIR)$libdir" >> config.mak
2254 echo "SHLIBDIR=\$(DESTDIR)$shlibdir" >> config.mak
2255 echo "INCDIR=\$(DESTDIR)$incdir" >> config.mak
2256 echo "BINDIR=\$(DESTDIR)$bindir" >> config.mak
2257 echo "MANDIR=\$(DESTDIR)$mandir" >> config.mak
2258 echo "CC=$cc" >> config.mak
2259 echo "YASM=$yasmexe" >> config.mak
2260 echo "AR=$ar" >> config.mak
2261 echo "RANLIB=$ranlib" >> config.mak
2262 echo "LN_S=$ln_s" >> config.mak
2263 enabled stripping &&
2264     echo "STRIP=$strip" >> config.mak ||
2265     echo "STRIP=echo ignoring strip" >> config.mak
2266
2267 echo "OPTFLAGS=$CFLAGS" >> config.mak
2268 echo "VHOOKCFLAGS=$VHOOKCFLAGS" >> config.mak
2269 echo "LDFLAGS=$LDFLAGS" >> config.mak
2270 echo "FFSERVERLDFLAGS=$FFSERVERLDFLAGS" >> config.mak
2271 echo "SHFLAGS=$SHFLAGS" >> config.mak
2272 echo "YASMFLAGS=$YASMFLAGS" >> config.mak
2273 echo "VHOOKSHFLAGS=$VHOOKSHFLAGS" >> config.mak
2274 echo "VHOOKLIBS=$VHOOKLIBS" >> config.mak
2275 echo "LIBOBJFLAGS=$LIBOBJFLAGS" >> config.mak
2276 echo "BUILD_STATIC=$static" >> config.mak
2277 echo "BUILDSUF=$build_suffix" >> config.mak
2278 echo "FULLNAME=$FULLNAME" >> config.mak
2279 echo "LIBPREF=$LIBPREF" >> config.mak
2280 echo "LIBSUF=$LIBSUF" >> config.mak
2281 echo "LIBNAME=$LIBNAME" >> config.mak
2282 echo "SLIBPREF=$SLIBPREF" >> config.mak
2283 echo "SLIBSUF=$SLIBSUF" >> config.mak
2284 echo "EXESUF=$EXESUF" >> config.mak
2285 echo "EXTRA_VERSION=$extra_version" >> config.mak
2286 echo "DEPEND_CMD=$DEPEND_CMD" >> config.mak
2287 echo "HOSTCC=$host_cc" >> config.mak
2288 echo "HOSTCFLAGS=$host_cflags" >> config.mak
2289 echo "HOSTLDFLAGS=$host_ldflags" >> config.mak
2290 echo "HOSTLIBS=$host_libs" >> config.mak
2291 echo "TARGET_EXEC=$target_exec" >> config.mak
2292 echo "TARGET_PATH=$target_path" >> config.mak
2293
2294 if enabled bigendian; then
2295     echo "WORDS_BIGENDIAN=yes" >> config.mak
2296     echo "#define WORDS_BIGENDIAN 1" >> $TMPH
2297 fi
2298
2299 if enabled sdl; then
2300     echo "SDL_LIBS=`"${SDL_CONFIG}" --libs`" >> config.mak
2301     echo "SDL_CFLAGS=`"${SDL_CONFIG}" --cflags`" >> config.mak
2302 fi
2303 if enabled texi2html; then
2304     echo "BUILD_DOC=yes" >> config.mak
2305 fi
2306
2307 get_version(){
2308     name=$1
2309     file=$source_path/$2
2310     eval $(grep "#define ${name}_VERSION_M" "$file" | awk '{ print $2"="$3 }')
2311     eval ${name}_VERSION=\$${name}_VERSION_MAJOR.\$${name}_VERSION_MINOR.\$${name}_VERSION_MICRO
2312     lcname=$(tolower $name)
2313     eval echo "${lcname}_VERSION=\$${name}_VERSION" >> config.mak
2314     eval echo "${lcname}_VERSION_MAJOR=\$${name}_VERSION_MAJOR" >> config.mak
2315 }
2316
2317 get_version LIBSWSCALE  libswscale/swscale.h
2318 get_version LIBPOSTPROC libpostproc/postprocess.h
2319 get_version LIBAVCODEC  libavcodec/avcodec.h
2320 get_version LIBAVDEVICE libavdevice/avdevice.h
2321 get_version LIBAVFORMAT libavformat/avformat.h
2322 get_version LIBAVUTIL   libavutil/avutil.h
2323 get_version LIBAVFILTER libavfilter/avfilter.h
2324
2325 if enabled shared; then
2326     echo "BUILD_SHARED=yes" >> config.mak
2327     echo "PIC=-fPIC -DPIC" >> config.mak
2328     echo "LIBTARGET=${LIBTARGET}" >> config.mak
2329     echo "SLIBNAME=${SLIBNAME}" >> config.mak
2330     echo "SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}" >> config.mak
2331     echo "SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}" >> config.mak
2332     echo "SLIB_CREATE_DEF_CMD=${SLIB_CREATE_DEF_CMD}" >> config.mak
2333     echo "SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}" >> config.mak
2334     echo "SLIB_INSTALL_EXTRA_CMD=${SLIB_INSTALL_EXTRA_CMD}" >> config.mak
2335     echo "SLIB_UNINSTALL_EXTRA_CMD=${SLIB_UNINSTALL_EXTRA_CMD}" >> config.mak
2336 fi
2337 echo "LIB_INSTALL_EXTRA_CMD=${LIB_INSTALL_EXTRA_CMD}" >> config.mak
2338 echo "EXTRALIBS=$extralibs" >> config.mak
2339
2340 echo "ARCH=$arch" >> config.mak
2341
2342 print_config ARCH_   $TMPH config.mak $ARCH_LIST
2343 print_config HAVE_   $TMPH config.mak $HAVE_LIST
2344 print_config CONFIG_ $TMPH config.mak $CONFIG_LIST       \
2345                                       $CONFIG_EXTRA      \
2346                                       $DECODER_LIST      \
2347                                       $ENCODER_LIST      \
2348                                       $PARSER_LIST       \
2349                                       $BSF_LIST          \
2350                                       $DEMUXER_LIST      \
2351                                       $MUXER_LIST        \
2352                                       $FILTER_LIST       \
2353                                       $PROTOCOL_LIST     \
2354                                       $INDEV_LIST        \
2355                                       $OUTDEV_LIST       \
2356
2357 echo "#define restrict $_restrict" >> $TMPH
2358
2359 if enabled small; then
2360     echo "#define av_always_inline"  >> $TMPH
2361 fi
2362
2363 echo "SRC_PATH=\"$source_path\"" >> config.mak
2364 echo "SRC_PATH_BARE=$source_path" >> config.mak
2365 echo "BUILD_ROOT=\"$PWD\"" >> config.mak
2366
2367 # Apparently it's not possible to portably echo a backslash.
2368 enabled asmalign_pot &&
2369     printf '#define ASMALIGN(ZEROBITS) ".align " #ZEROBITS "\\n\\t"\n' >> $TMPH ||
2370     printf '#define ASMALIGN(ZEROBITS) ".align 1 << " #ZEROBITS "\\n\\t"\n' >> $TMPH
2371
2372 echo "#define EXTERN_PREFIX \"${extern_prefix}\"" >> $TMPH
2373
2374 echo "#endif /* FFMPEG_CONFIG_H */" >> $TMPH
2375
2376 # Do not overwrite an unchanged config.h to avoid superfluous rebuilds.
2377 cmp -s $TMPH config.h &&
2378     echo "config.h is unchanged" ||
2379     mv -f $TMPH config.h
2380
2381 rm -f $TMPC $TMPE $TMPH $TMPO $TMPS $TMPSH
2382
2383 # build tree in object directory if source path is different from current one
2384 if enabled source_path_used; then
2385     DIRS="\
2386         doc               \
2387         libavcodec        \
2388         libavcodec/alpha  \
2389         libavcodec/arm    \
2390         libavcodec/bfin   \
2391         libavcodec/mlib   \
2392         libavcodec/ppc    \
2393         libavcodec/sh4    \
2394         libavcodec/sparc  \
2395         libavcodec/x86    \
2396         libavdevice       \
2397         libavfilter       \
2398         libavformat       \
2399         libavutil         \
2400         libpostproc       \
2401         libswscale        \
2402         tests             \
2403         tools             \
2404         vhook             \
2405         "
2406     FILES="\
2407         Makefile             \
2408         common.mak           \
2409         subdir.mak           \
2410         doc/texi2pod.pl      \
2411         libavcodec/Makefile  \
2412         libavdevice/Makefile \
2413         libavfilter/Makefile \
2414         libavformat/Makefile \
2415         libavutil/Makefile   \
2416         libpostproc/Makefile \
2417         libswscale/Makefile  \
2418         "
2419     for dir in $DIRS ; do
2420         mkdir -p $dir
2421     done
2422     for f in $FILES ; do
2423         $ln_s "$source_path/$f" $f
2424     done
2425 fi
2426
2427
2428 # build pkg-config files
2429
2430 pkgconfig_generate(){
2431 name=$1
2432 shortname=${name#lib}${build_suffix}
2433 comment=$2
2434 version=$3
2435 libs=$4
2436 requires=$5
2437 cat <<EOF > $name/$name.pc
2438 prefix=$prefix
2439 exec_prefix=\${prefix}
2440 libdir=$libdir
2441 includedir=$incdir
2442
2443 Name: $name
2444 Description: $comment
2445 Version: $version
2446 Requires: $(disabled shared && echo $requires)
2447 Requires.private: $(enabled shared && echo $requires)
2448 Conflicts:
2449 Libs: -L\${libdir} -l${shortname} $(disabled shared && echo $libs)
2450 Libs.private: $(enabled shared && echo $libs)
2451 Cflags: -I\${includedir}
2452 EOF
2453 cat <<EOF > $name/$name-uninstalled.pc
2454 prefix=
2455 exec_prefix=
2456 libdir=\${pcfiledir}
2457 includedir=${source_path}
2458
2459 Name: $name
2460 Description: $comment
2461 Version: $version
2462 Requires: $requires
2463 Conflicts:
2464 Libs: \${libdir}/${LIBPREF}${shortname}${LIBSUF} $libs
2465 Cflags: -I\${includedir}
2466 EOF
2467 }
2468
2469 pkgconfig_generate libavutil "FFmpeg utility library" "$LIBAVUTIL_VERSION"
2470 pkgconfig_generate libavcodec "FFmpeg codec library" "$LIBAVCODEC_VERSION" "$extralibs" "libavutil = $LIBAVUTIL_VERSION"
2471 pkgconfig_generate libavformat "FFmpeg container format library" "$LIBAVFORMAT_VERSION" "$extralibs" "libavcodec = $LIBAVCODEC_VERSION"
2472 pkgconfig_generate libavdevice "FFmpeg device handling library" "$LIBAVDEVICE_VERSION" "$extralibs" "libavformat = $LIBAVFORMAT_VERSION"
2473 enabled avfilter &&
2474     pkgconfig_generate libavfilter "FFmpeg video filtering library" "$LIBAVFILTER_VERSION" "$extralibs" "libavutil = $LIBAVUTIL_VERSION"
2475 enabled postproc &&
2476     pkgconfig_generate libpostproc "FFmpeg post processing library" "$LIBPOSTPROC_VERSION"
2477 if enabled swscale; then
2478     pkgconfig_generate libswscale "FFmpeg image rescaling library" "$LIBSWSCALE_VERSION" "" "libavutil = $LIBAVUTIL_VERSION"
2479 else
2480     pkgconfig_generate libswscale "FFmpeg image rescaling library" "$LIBSWSCALE_VERSION" "" "libavcodec = $LIBAVCODEC_VERSION"
2481     apply libswscale/libswscale.pc sed s/^Libs:.*$/Libs:/
2482 fi