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-sse            disable SSE optimizations"
 145   echo "  --disable-ssse3          disable SSSE3 optimizations"
 146   echo "  --disable-armv5te        disable armv5te optimizations"
 147   echo "  --disable-armv6          disable armv6 optimizations"
 148   echo "  --disable-armv6t2        disable armv6t2 optimizations"
 149   echo "  --disable-armvfp         disable ARM VFP optimizations"
 150   echo "  --disable-iwmmxt         disable iwmmxt optimizations"
 151   echo "  --disable-mmi            disable MMI optimizations"
 152   echo "  --disable-neon           disable neon optimizations"
 153   echo "  --disable-vis            disable VIS optimizations"
 154   echo "  --disable-network        disable network support [no]"
 155   echo "  --disable-ipv6           disable IPv6 support [no]"
 156   echo "  --disable-mpegaudio-hp   faster (but less accurate)"
 157   echo "                           MPEG audio decoding [no]"
 158   echo "  --disable-aandct         disable AAN DCT code"
 159   echo "  --disable-fft            disable FFT code"
 160   echo "  --disable-golomb         disable Golomb code"
 161   echo "  --disable-mdct           disable MDCT code"
 162   echo "  --enable-gray            enable full grayscale support (slower color)"
 163   echo "  --disable-ffmpeg         disable ffmpeg build"
 164   echo "  --disable-ffplay         disable ffplay build"
 165   echo "  --disable-ffserver       disable ffserver build"
 166   echo "  --enable-small           optimize for size instead of speed"
 167   echo "  --enable-hardcoded-tables use hardcoded tables instead of runtime generation"
 168   echo "  --enable-memalign-hack   emulate memalign, interferes with memory debuggers"
 169   echo "  --enable-beos-netserver  enable BeOS netserver"
 170   echo "  --disable-encoder=NAME   disable encoder NAME"
 171   echo "  --enable-encoder=NAME    enable encoder NAME"
 172   echo "  --disable-encoders       disable all encoders"
 173   echo "  --disable-decoder=NAME   disable decoder NAME"
 174   echo "  --enable-decoder=NAME    enable decoder NAME"
 175   echo "  --disable-decoders       disable all decoders"
 176   echo "  --disable-muxer=NAME     disable muxer NAME"
 177   echo "  --enable-muxer=NAME      enable muxer NAME"
 178   echo "  --disable-muxers         disable all muxers"
 179   echo "  --disable-demuxer=NAME   disable demuxer NAME"
 180   echo "  --enable-demuxer=NAME    enable demuxer NAME"
 181   echo "  --disable-demuxers       disable all demuxers"
 182   echo "  --enable-parser=NAME     enable parser NAME"
 183   echo "  --disable-parser=NAME    disable parser NAME"
 184   echo "  --disable-parsers        disable all parsers"
 185   echo "  --enable-bsf=NAME        enable bitstream filter NAME"
 186   echo "  --disable-bsf=NAME       disable bitstream filter NAME"
 187   echo "  --disable-bsfs           disable all bitstream filters"
 188   echo "  --enable-protocol=NAME   enable protocol NAME"
 189   echo "  --disable-protocol=NAME  disable protocol NAME"
 190   echo "  --disable-protocols      disable all protocols"
 191   echo "  --disable-indevs         disable input devices"
 192   echo "  --disable-outdevs        disable output devices"
 193   echo "  --disable-devices        disable all devices"
 194   echo "  --enable-filter=NAME     enable filter NAME"
 195   echo "  --disable-filter=NAME    disable filter NAME"
 196   echo "  --disable-filters        disable all filters"
 197   echo "  --list-decoders          show all available decoders"
 198   echo "  --list-encoders          show all available encoders"
 199   echo "  --list-muxers            show all available muxers"
 200   echo "  --list-demuxers          show all available demuxers"
 201   echo "  --list-parsers           show all available parsers"
 202   echo "  --list-protocols         show all available protocols"
 203   echo "  --list-bsfs              show all available bitstream filters"
 204   echo "  --list-indevs            show all available input devices"
 205   echo "  --list-outdevs           show all available output devices"
 206   echo "  --list-filters           show all available filters"
 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     sse
 826     ssse3
 827     vis
 828 '
 829
 830 HAVE_LIST="
 831     $ARCH_EXT_LIST
 832     $THREADS_LIST
 833     altivec_h
 834     arpa_inet_h
 835     bswap
 836     closesocket
 837     cmov
 838     conio_h
 839     dcbzl
 840     dev_bktr_ioctl_bt848_h
 841     dev_bktr_ioctl_meteor_h
 842     dev_ic_bt8xx_h
 843     dev_video_meteor_ioctl_meteor_h
 844     dev_video_bktr_ioctl_bt848_h
 845     dlfcn_h
 846     dlopen
 847     dos_paths
 848     ebp_available
 849     ebx_available
 850     fast_64bit
 851     fast_cmov
 852     fast_unaligned
 853     fork
 854     freetype2
 855     gethrtime
 856     GetProcessTimes
 857     getrusage
 858     imlib2
 859     inet_aton
 860     inline_asm
 861     libdc1394_1
 862     libdc1394_2
 863     llrint
 864     lrint
 865     lrintf
 866     machine_ioctl_bt848_h
 867     machine_ioctl_meteor_h
 868     malloc_h
 869     memalign
 870     mkstemp
 871     pld
 872     posix_memalign
 873     ppc64
 874     round
 875     roundf
 876     sdl
 877     sdl_video_size
 878     setmode
 879     socklen_t
 880     soundcard_h
 881     poll_h
 882     sys_mman_h
 883     sys_resource_h
 884     sys_select_h
 885     sys_soundcard_h
 886     sys_videoio_h
 887     termios_h
 888     threads
 889     truncf
 890     winsock2_h
 891     yasm
 892 "
 893
 894 # options emitted with CONFIG_ prefix but not available on command line
 895 CONFIG_EXTRA="
 896     fft_mmx
 897     oldscaler
 898 "
 899
 900 CMDLINE_SELECT="
 901     $ARCH_EXT_LIST
 902     $CONFIG_LIST
 903     $THREADS_LIST
 904     cross_compile
 905     debug
 906     extra_warnings
 907     logging
 908     optimizations
 909     stripping
 910 "
 911
 912 PATHS_LIST='
 913     bindir
 914     incdir
 915     libdir
 916     mandir
 917     prefix
 918     shlibdir
 919 '
 920
 921 CMDLINE_SET="
 922     $PATHS_LIST
 923     arch
 924     build_suffix
 925     cc
 926     cpu
 927     cross_prefix
 928     extra_version
 929     host_cc
 930     host_cflags
 931     host_ldflags
 932     host_libs
 933     logfile
 934     nm
 935     source_path
 936     target_exec
 937     target_os
 938     target_path
 939 "
 940
 941 # code dependency declarations
 942
 943 # architecture extensions
 944 altivec_deps="ppc"
 945 armv5te_deps="arm"
 946 armv6_deps="arm"
 947 armv6t2_deps="arm"
 948 armvfp_deps="arm"
 949 iwmmxt_deps="arm"
 950 mmi_deps="mips"
 951 mmx_deps="x86"
 952 mmx2_deps="x86 mmx"
 953 neon_deps="arm"
 954 sse_deps="mmx"
 955 ssse3_deps="x86 sse"
 956 vis_deps="sparc"
 957
 958 # common features
 959 fft_suggest="fft_mmx"
 960 fft_mmx_deps="mmx yasm"
 961 oldscaler_deps="!swscale"
 962
 963 # decoders / encoders
 964 aac_decoder_select="fft mdct"
 965 ac3_decoder_deps="gpl"
 966 ac3_decoder_select="fft mdct"
 967 atrac3_decoder_select="fft mdct"
 968 cavs_decoder_select="golomb"
 969 cook_decoder_select="fft mdct"
 970 cscd_decoder_suggest="zlib"
 971 dca_decoder_select="fft mdct"
 972 dnxhd_encoder_select="aandct"
 973 dxa_decoder_select="zlib"
 974 eac3_decoder_deps="gpl"
 975 eac3_decoder_select="fft mdct"
 976 eatgq_decoder_select="aandct"
 977 ffv1_decoder_select="golomb"
 978 flac_decoder_select="golomb"
 979 flac_encoder_select="golomb"
 980 flashsv_decoder_select="zlib"
 981 flashsv_encoder_select="zlib"
 982 flv_encoder_select="aandct"
 983 h261_encoder_select="aandct"
 984 h263_encoder_select="aandct"
 985 h263p_encoder_select="aandct"
 986 h264_decoder_select="golomb"
 987 h264_vdpau_decoder_deps="vdpau"
 988 imc_decoder_select="fft mdct"
 989 jpegls_decoder_select="golomb"
 990 jpegls_encoder_select="golomb"
 991 ljpeg_encoder_select="aandct"
 992 loco_decoder_select="golomb"
 993 mjpeg_encoder_select="aandct"
 994 mpeg1video_encoder_select="aandct"
 995 mpeg2video_encoder_select="aandct"
 996 mpeg4_encoder_select="aandct"
 997 mpeg_vdpau_decoder_deps="vdpau"
 998 mpeg1_vdpau_decoder_deps="vdpau"
 999 mpeg_xvmc_decoder_deps="xvmc X11_extensions_XvMClib_h"
1000 msmpeg4v1_encoder_select="aandct"
1001 msmpeg4v2_encoder_select="aandct"
1002 msmpeg4v3_encoder_select="aandct"
1003 nellymoser_decoder_select="fft mdct"
1004 nellymoser_encoder_select="fft mdct"
1005 png_decoder_select="zlib"
1006 png_encoder_select="zlib"
1007 qdm2_decoder_select="fft mdct"
1008 rv10_encoder_select="aandct"
1009 rv20_encoder_select="aandct"
1010 shorten_decoder_select="golomb"
1011 sonic_decoder_select="golomb"
1012 sonic_encoder_select="golomb"
1013 sonic_ls_encoder_select="golomb"
1014 svq3_decoder_select="golomb"
1015 svq3_decoder_suggest="zlib"
1016 tiff_decoder_suggest="zlib"
1017 tiff_encoder_suggest="zlib"
1018 tscc_decoder_select="zlib"
1019 vc1_vdpau_decoder_deps="vdpau"
1020 vorbis_decoder_select="fft mdct"
1021 vorbis_encoder_select="fft mdct"
1022 wmav1_decoder_select="fft mdct"
1023 wmav1_encoder_select="fft mdct"
1024 wmav2_decoder_select="fft mdct"
1025 wmav2_encoder_select="fft mdct"
1026 wmv1_encoder_select="aandct"
1027 wmv2_encoder_select="aandct"
1028 wmv3_vdpau_decoder_deps="vdpau"
1029 zlib_decoder_select="zlib"
1030 zlib_encoder_select="zlib"
1031 zmbv_decoder_select="zlib"
1032 zmbv_encoder_select="zlib"
1033
1034 # external libraries
1035 libamr_nb_decoder_deps="libamr_nb"
1036 libamr_nb_encoder_deps="libamr_nb"
1037 libamr_wb_decoder_deps="libamr_wb"
1038 libamr_wb_encoder_deps="libamr_wb"
1039 libdirac_decoder_deps="libdirac !libschroedinger"
1040 libdirac_encoder_deps="libdirac"
1041 libfaac_encoder_deps="libfaac"
1042 libfaad_decoder_deps="libfaad"
1043 libfaadbin_decoder_extralibs='$ldl'
1044 libgsm_decoder_deps="libgsm"
1045 libgsm_encoder_deps="libgsm"
1046 libgsm_ms_decoder_deps="libgsm"
1047 libgsm_ms_encoder_deps="libgsm"
1048 libmp3lame_encoder_deps="libmp3lame"
1049 libschroedinger_decoder_deps="libschroedinger"
1050 libschroedinger_encoder_deps="libschroedinger"
1051 libspeex_decoder_deps="libspeex"
1052 libtheora_encoder_deps="libtheora"
1053 libvorbis_encoder_deps="libvorbis"
1054 libx264_encoder_deps="libx264"
1055 libxvid_encoder_deps="libxvid"
1056 mpeg4aac_decoder_deps="libfaad"
1057 vdpau_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1058
1059 # demuxers / muxers
1060 ac3_demuxer_deps="ac3_parser"
1061 audio_beos_demuxer_deps="audio_beos"
1062 audio_beos_demuxer_extralibs="-lmedia -lbe"
1063 audio_beos_muxer_deps="audio_beos"
1064 audio_beos_muxer_extralibs="-lmedia -lbe"
1065 avisynth_demuxer_deps="avisynth"
1066 bktr_demuxer_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
1067 dirac_demuxer_deps="dirac_parser"
1068 dv1394_demuxer_deps="dv1394 dv_demuxer"
1069 libdc1394_demuxer_deps="libdc1394"
1070 libnut_demuxer_deps="libnut"
1071 libnut_muxer_deps="libnut"
1072 matroska_demuxer_suggest="zlib bzlib"
1073 mov_demuxer_suggest="zlib"
1074 mp3_demuxer_deps="mpegaudio_parser"
1075 oss_demuxer_deps_any="soundcard_h sys_soundcard_h"
1076 oss_muxer_deps_any="soundcard_h sys_soundcard_h"
1077 redir_demuxer_deps="network"
1078 rtp_muxer_deps="network rtp_protocol"
1079 rtsp_demuxer_deps="sdp_demuxer"
1080 sdp_demuxer_deps="rtp_protocol mpegts_demuxer"
1081 v4l_demuxer_deps="linux_videodev_h"
1082 v4l2_demuxer_deps_any="linux_videodev2_h sys_videoio_h"
1083 vfwcap_demuxer_deps="capCreateCaptureWindow"
1084 vfwcap_demuxer_extralibs="-lvfw32"
1085 x11_grab_device_demuxer_deps="x11grab XShmCreateImage"
1086 x11_grab_device_demuxer_extralibs="-lX11 -lXext"
1087
1088 # protocols
1089 http_protocol_deps="network"
1090 rtp_protocol_deps="udp_protocol"
1091 tcp_protocol_deps="network"
1092 udp_protocol_deps="network"
1093
1094 # filters
1095 movie_filter_deps="avfilter_lavf"
1096
1097 # programs
1098 ffplay_deps="sdl"
1099 ffserver_deps="ffm_muxer rtp_protocol rtsp_demuxer"
1100 ffserver_extralibs='$ldl'
1101 vhook_extralibs='$ldl'
1102
1103
1104 # default parameters
1105
1106 logfile="config.err"
1107
1108 # installation paths
1109 prefix_default="/usr/local"
1110 bindir_default='${prefix}/bin'
1111 incdir_default='${prefix}/include'
1112 libdir_default='${prefix}/lib'
1113 mandir_default='${prefix}/share/man'
1114 shlibdir_default="$libdir_default"
1115
1116 # toolchain
1117 ar="ar"
1118 cc_default="gcc"
1119 host_cc_default="gcc"
1120 ln_s="ln -sf"
1121 nm_default="nm"
1122 objformat="elf"
1123 ranlib="ranlib"
1124 strip="strip"
1125 yasmexe="yasm"
1126
1127 # machine
1128 arch=`uname -m`
1129 cpu="generic"
1130
1131 # OS
1132 target_os=$(tolower $(uname -s))
1133
1134 # configurable options
1135 enable debug
1136 enable ffmpeg
1137 enable ffplay
1138 enable ffserver
1139 enable ipv6
1140 enable mpegaudio_hp
1141 enable network
1142 enable oldscaler
1143 enable optimizations
1144 enable protocols
1145 enable static
1146 enable stripping
1147 vhook="default"
1148
1149 # build settings
1150 add_cflags -D_ISOC99_SOURCE -D_POSIX_C_SOURCE=200112
1151 SHFLAGS='-shared -Wl,-soname,$$(@F)'
1152 VHOOKSHFLAGS='$(SHFLAGS)'
1153 FFSERVERLDFLAGS=-Wl,-E
1154 LIBPREF="lib"
1155 LIBSUF=".a"
1156 FULLNAME='$(NAME)$(BUILDSUF)'
1157 LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
1158 SLIBPREF="lib"
1159 SLIBSUF=".so"
1160 SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
1161 SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
1162 SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
1163 LIB_INSTALL_EXTRA_CMD='$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
1164
1165 host_cflags='-O3 -g -Wall'
1166 host_libs='-lm'
1167
1168 target_path='.'
1169
1170 # gcc stupidly only outputs the basename of targets with -MM, but we need the
1171 # full relative path for objects in subdirectories for non-recursive Make.
1172 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,"'
1173
1174 # find source path
1175 source_path="`dirname \"$0\"`"
1176 enable source_path_used
1177 if test -z "$source_path" -o "$source_path" = "." ; then
1178     source_path="`pwd`"
1179     disable source_path_used
1180 else
1181     source_path="`cd \"$source_path\"; pwd`"
1182     echo "$source_path" | grep -q '[[:blank:]]' &&
1183         die "Out of tree builds are impossible with whitespace in source path."
1184 fi
1185
1186 FFMPEG_CONFIGURATION="$@"
1187
1188 find_things(){
1189     thing=$1
1190     pattern=$2
1191     file=$source_path/$3
1192     sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
1193 }
1194
1195 ENCODER_LIST=$(find_things  encoder  ENC      libavcodec/allcodecs.c)
1196 DECODER_LIST=$(find_things  decoder  DEC      libavcodec/allcodecs.c)
1197 PARSER_LIST=$(find_things   parser   PARSER   libavcodec/allcodecs.c)
1198 BSF_LIST=$(find_things      bsf      BSF      libavcodec/allcodecs.c)
1199 MUXER_LIST=$(find_things    muxer    _MUX     libavformat/allformats.c)
1200 DEMUXER_LIST=$(find_things  demuxer  DEMUX    libavformat/allformats.c)
1201 OUTDEV_LIST=$(find_things   muxer    _MUX     libavdevice/alldevices.c)
1202 INDEV_LIST=$(find_things    demuxer  DEMUX    libavdevice/alldevices.c)
1203 PROTOCOL_LIST=$(find_things protocol PROTOCOL libavformat/allformats.c)
1204 FILTER_LIST=$(find_things   filter   FILTER   libavfilter/allfilters.c)
1205
1206 enable $ARCH_EXT_LIST \
1207        $DECODER_LIST \
1208        $ENCODER_LIST \
1209        $PARSER_LIST \
1210        $BSF_LIST \
1211        $DEMUXER_LIST \
1212        $MUXER_LIST \
1213        $FILTER_LIST \
1214        $PROTOCOL_LIST \
1215        $INDEV_LIST \
1216        $OUTDEV_LIST \
1217
1218 die_unknown(){
1219     echo "Unknown option \"$1\"."
1220     echo "See $0 --help for available options."
1221     exit 1
1222 }
1223
1224 show_list() {
1225     suffix=_$1
1226     shift
1227     echo $* | sed s/$suffix//g | tr ' ' '\n' | sort
1228     exit 0
1229 }
1230
1231 for opt do
1232     optval="${opt#*=}"
1233     case "$opt" in
1234     --extra-cflags=*) add_cflags $optval
1235     ;;
1236     --extra-ldflags=*) add_ldflags $optval
1237     ;;
1238     --extra-libs=*) add_extralibs $optval
1239     ;;
1240     --disable-devices) disable $INDEV_LIST $OUTDEV_LIST
1241     ;;
1242     --enable-debug=*) debuglevel="$optval"
1243     ;;
1244     --enable-*=*|--disable-*=*)
1245     eval `echo "$opt" | sed 's/=/-/;s/--/action=/;s/-/ thing=/;s/-/ name=/'`
1246     case "$thing" in
1247         encoder|decoder|muxer|demuxer|parser|bsf|protocol|filter) $action ${optval}_${thing} ;;
1248         *) die_unknown "$opt" ;;
1249     esac
1250     ;;
1251     --enable-?*|--disable-?*)
1252     eval `echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g'`
1253     if is_in $option $COMPONENT_LIST; then
1254         eval $action \$$(toupper ${option%s})_LIST
1255     elif is_in $option $CMDLINE_SELECT; then
1256         $action $option
1257     else
1258         die_unknown $opt
1259     fi
1260     ;;
1261     --list-*)
1262         NAME="${opt#--list-}"
1263         is_in $NAME $COMPONENT_LIST || die_unknown $opt
1264         NAME=${NAME%s}
1265         eval show_list $NAME \$$(toupper $NAME)_LIST
1266     ;;
1267     --help|-h) show_help
1268     ;;
1269     *)
1270     optname="${opt%%=*}"
1271     optname="${optname#--}"
1272     optname=$(echo "$optname" | sed 's/-/_/g')
1273     is_in $optname $CMDLINE_SET || die_unknown $opt
1274     eval $optname='$optval'
1275     ;;
1276     esac
1277 done
1278
1279 disabled logging && logfile=/dev/null
1280
1281 echo "# $0 $@" > $logfile
1282 set >> $logfile
1283
1284 test -n "$cross_prefix" && enable cross_compile
1285
1286 ar="${cross_prefix}${ar}"
1287 cc_default="${cross_prefix}${cc_default}"
1288 nm_default="${cross_prefix}${nm_default}"
1289 ranlib="${cross_prefix}${ranlib}"
1290 strip="${cross_prefix}${strip}"
1291
1292 set_default cc nm
1293 enabled cross_compile || host_cc_default=$cc
1294 set_default host_cc
1295
1296 # set temporary file name
1297 : ${TMPDIR:=$TEMPDIR}
1298 : ${TMPDIR:=$TMP}
1299 : ${TMPDIR:=/tmp}
1300
1301 TMPC="${TMPDIR}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}.c"
1302 TMPE="${TMPDIR}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}${EXESUF}"
1303 TMPH="${TMPDIR}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}.h"
1304 TMPO="${TMPDIR}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}.o"
1305 TMPS="${TMPDIR}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}.S"
1306 TMPSH="${TMPDIR}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}.sh"
1307
1308 check_cflags -std=c99
1309
1310 case "$arch" in
1311     i386|i486|i586|i686|i86pc|BePC)
1312         arch="x86"
1313         subarch="x86_32"
1314         enable fast_unaligned
1315     ;;
1316     x86_64|amd64)
1317         arch="x86"
1318         subarch="x86_32"
1319         enable cmov
1320         enable fast_cmov
1321         enable fast_unaligned
1322         check_cc <<EOF && enable fast_64bit && subarch="x86_64"
1323         int test[sizeof(char*) - 7];
1324 EOF
1325     ;;
1326     arm|armv[4567]*l)
1327         arch="arm"
1328     ;;
1329     alpha)
1330         arch="alpha"
1331         enable fast_64bit
1332         check_cflags -mieee
1333     ;;
1334     "Power Macintosh"|ppc|powerpc)
1335         arch="ppc"
1336         enable fast_unaligned
1337     ;;
1338     ppc64)
1339         arch="ppc"
1340         enable fast_64bit
1341         enable fast_unaligned
1342     ;;
1343     mips|mipsel|IP*)
1344         arch="mips"
1345     ;;
1346     mips64)
1347         arch="mips"
1348         enable fast_64bit
1349     ;;
1350     sun4u|sparc64)
1351         arch="sparc"
1352         subarch="sparc64"
1353         enable fast_64bit
1354     ;;
1355     sparc)
1356         arch="sparc"
1357     ;;
1358     sh4|sh)
1359         arch="sh4"
1360     ;;
1361     parisc|hppa)
1362         arch="parisc"
1363     ;;
1364     parisc64|hppa64)
1365         arch="parisc"
1366         enable fast_64bit
1367     ;;
1368     s390|s390x)
1369         arch="s390"
1370     ;;
1371     m68k)
1372         arch="m68k"
1373     ;;
1374     ia64)
1375         arch="ia64"
1376         enable fast_64bit
1377     ;;
1378     bfin)
1379         arch="bfin"
1380     ;;
1381     *)
1382         arch="unknown"
1383     ;;
1384 esac
1385
1386 enable $arch $subarch
1387
1388 # OS specific
1389 case $target_os in
1390     beos|haiku|zeta)
1391         prefix_default="$HOME/config"
1392         # helps building libavcodec
1393         add_cflags -DPIC -fomit-frame-pointer
1394         # 3 gcc releases known for BeOS, each with ugly bugs
1395         gcc_version="`$cc -v 2>&1 | grep version | cut -d ' ' -f3-`"
1396         case "$gcc_version" in
1397           2.9-beos-991026*|2.9-beos-000224*) echo "R5/GG gcc"
1398             disable mmx
1399             ;;
1400           *20010315*) echo "BeBits gcc"
1401             add_cflags -fno-expensive-optimizations
1402             ;;
1403         esac
1404         SHFLAGS=-nostart
1405         # enable BeOS things
1406         enable audio_beos
1407         # no need for libm, but the inet stuff
1408         # Check for BONE
1409         # XXX: actually should check for NOT net_server
1410         if echo $BEINCLUDES | grep -q 'headers/be/bone'; then
1411             network_extralibs="-lbind -lsocket"
1412         else
1413             enable beos_netserver
1414             network_extralibs="-lnet"
1415         fi ;;
1416     sunos)
1417         FFSERVERLDFLAGS=""
1418         SHFLAGS='-shared -Wl,-h,$$(@F)'
1419         network_extralibs="-lsocket -lnsl"
1420         add_cflags -D__EXTENSIONS__
1421         ;;
1422     netbsd)
1423         oss_demuxer_extralibs="-lossaudio"
1424         oss_muxer_extralibs="-lossaudio"
1425         ;;
1426     openbsd)
1427         disable need_memalign
1428         LIBOBJFLAGS='$(PIC)'
1429         SHFLAGS='-shared'
1430         oss_demuxer_extralibs="-lossaudio"
1431         oss_muxer_extralibs="-lossaudio"
1432         ;;
1433     freebsd)
1434         disable need_memalign
1435         ;;
1436     bsd/os)
1437         osextralibs="-lpoll -lgnugetopt"
1438         strip="strip -d"
1439         ;;
1440     darwin)
1441         disable need_memalign
1442         SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(SHLIBDIR)/$(SLIBNAME),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR) -Wl,-read_only_relocs,suppress'
1443         VHOOKSHFLAGS='-dynamiclib -Wl,-single_module -flat_namespace -undefined suppress -Wl,-install_name,$(SHLIBDIR)/vhook/$$(@F)'
1444         strip="strip -x"
1445         FFLDFLAGS="-Wl,-dynamic,-search_paths_first"
1446         SLIBSUF=".dylib"
1447         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'
1448         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'
1449         FFSERVERLDFLAGS=-Wl,-bind_at_load
1450         objformat="macho"
1451         enabled x86_64 && objformat="macho64"
1452         ;;
1453     mingw32*)
1454         target_os=mingw32
1455         LIBTARGET=i386
1456         if enabled x86_64; then
1457             disable need_memalign
1458             LIBTARGET=x64
1459         fi
1460         shlibdir_default="$bindir_default"
1461         VHOOKSHFLAGS='-shared -L$(BUILD_ROOT)/libavformat -L$(BUILD_ROOT)/libavcodec -L$(BUILD_ROOT)/libavutil'
1462         VHOOKLIBS='-lavformat$(BUILDSUF) -lavcodec$(BUILDSUF) -lavutil$(BUILDSUF) $(EXTRALIBS)'
1463         if enabled swscale; then
1464             VHOOKSHFLAGS="$VHOOKSHFLAGS -L\$(BUILD_ROOT)/libswscale"
1465             VHOOKLIBS="$VHOOKLIBS -lswscale\$(BUILDSUF)"
1466         fi
1467         disable ffserver
1468         SLIBPREF=""
1469         SLIBSUF=".dll"
1470         EXESUF=".exe"
1471         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
1472         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
1473         SLIB_EXTRA_CMD='-lib /machine:$(LIBTARGET) /def:$$(@:$(SLIBSUF)=.def) /out:$(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib)'
1474         SLIB_INSTALL_EXTRA_CMD='-install -m 644 $(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib) "$(SHLIBDIR)/$(SLIBNAME:$(SLIBSUF)=.lib)"; \
1475             install -m 644 $(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib) "$(SHLIBDIR)/$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib)"'
1476         SLIB_UNINSTALL_EXTRA_CMD='rm -f "$(SHLIBDIR)/$(SLIBNAME:$(SLIBSUF)=.lib)"'
1477         SHFLAGS='-shared -Wl,--output-def,$$(@:$(SLIBSUF)=.def) -Wl,--enable-runtime-pseudo-reloc -Wl,--enable-auto-image-base'
1478         objformat="win32"
1479         enable dos_paths
1480         check_cpp_condition _mingw.h "(__MINGW32_MAJOR_VERSION > 3) || (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" ||
1481             die "ERROR: MinGW runtime version must be >= 3.15."
1482         enabled_any avisynth vfwcap_demuxer &&
1483             { check_cpp_condition w32api.h "(__W32API_MAJOR_VERSION > 3) || (__W32API_MAJOR_VERSION == 3 && __W32API_MINOR_VERSION >= 13)" ||
1484               die "ERROR: avisynth and vfwcap_demuxer require w32api version 3.13 or later."; }
1485         ;;
1486     cygwin*)
1487         target_os=cygwin
1488         shlibdir_default="$bindir_default"
1489         VHOOKSHFLAGS='-shared -L$(BUILD_ROOT)/libavformat -L$(BUILD_ROOT)/libavcodec -L$(BUILD_ROOT)/libavutil'
1490         VHOOKLIBS='-lavformat$(BUILDSUF) -lavcodec$(BUILDSUF) -lavutil$(BUILDSUF) $(EXTRALIBS)'
1491         if enabled swscale; then
1492             VHOOKSHFLAGS="$VHOOKSHFLAGS -L\$(BUILD_ROOT)/libswscale"
1493             VHOOKLIBS="$VHOOKLIBS -lswscale\$(BUILDSUF)"
1494         fi
1495         EXESUF=".exe"
1496         SLIBPREF="cyg"
1497         SLIBSUF=".dll"
1498         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
1499         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
1500         SHFLAGS='-shared -Wl,--enable-auto-image-base'
1501         objformat="win32"
1502         enable dos_paths
1503         ;;
1504     *-dos|freedos|opendos)
1505         disable ffplay ffserver vhook
1506         disable $INDEV_LIST $OUTDEV_LIST
1507         network_extralibs="-lsocket"
1508         EXESUF=".exe"
1509         objformat="coff"
1510         enable dos_paths
1511         ;;
1512     linux)
1513         enable dv1394
1514         ;;
1515     irix*)
1516         target_os=irix
1517         ranlib="echo ignoring ranlib"
1518         ;;
1519     os/2*)
1520         strip="lxlite"
1521         ln_s="cp -f"
1522         EXESUF=".exe"
1523         FFLDFLAGS="-Zomf -Zbin-files -Zargs-wild -Zmap"
1524         SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'
1525         FFSERVERLDFLAGS=""
1526         LIBSUF="_s.a"
1527         SLIBPREF=""
1528         SLIBSUF=".dll"
1529         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
1530         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(NAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'
1531         SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(NAME).def; \
1532           echo PROTMODE >> $(SUBDIR)$(NAME).def; \
1533           echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(NAME).def; \
1534           echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(NAME).def; \
1535           echo EXPORTS >> $(SUBDIR)$(NAME).def; \
1536           emxexp -o $(OBJS) >> $(SUBDIR)$(NAME).def'
1537         SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(NAME).def; \
1538           emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib $(SUBDIR)$(NAME).def;'
1539         SLIB_INSTALL_EXTRA_CMD='install -m 644 $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib "$(LIBDIR)"'
1540         SLIB_UNINSTALL_EXTRA_CMD='rm -f "$(LIBDIR)"/$(LIBPREF)$(NAME)_dll.a "$(LIBDIR)"/$(LIBPREF)$(NAME)_dll.lib'
1541         disable vhook
1542         enable dos_paths
1543         ;;
1544     interix)
1545         disable vhook
1546         ;;
1547
1548     *)
1549         target_os="${target_os}-UNKNOWN"
1550         ;;
1551 esac
1552
1553 set_default $PATHS_LIST
1554
1555 add_extralibs $osextralibs
1556
1557 # Combine FFLDFLAGS and the LDFLAGS environment variable.
1558 LDFLAGS="$FFLDFLAGS $LDFLAGS"
1559
1560 # we need to build at least one lib type
1561 if ! enabled_any static shared; then
1562     cat <<EOF
1563 At least one library type must be built.
1564 Specify --enable-static to build the static libraries or --enable-shared to
1565 build the shared libraries as well. To only build the shared libraries specify
1566 --disable-static in addition to --enable-shared.
1567 EOF
1568     exit 1;
1569 fi
1570
1571 disabled static && LIBNAME=""
1572
1573 if enabled_any libfaad libfaadbin ; then
1574     if check_header faad.h; then
1575         check_cc <<EOF
1576 #include <faad.h>
1577 #ifndef FAAD2_VERSION
1578 ok faad1
1579 #endif
1580 int main(void) { return 0; }
1581 EOF
1582         test $? = 0 && enable libfaad2
1583     else
1584         die "FAAD test failed."
1585     fi
1586 fi
1587
1588
1589 if ! enabled gpl; then
1590     die_gpl_disabled(){
1591         name=$1
1592         shift
1593         enabled_any $@ && die "$name is under GPL and --enable-gpl is not specified."
1594     }
1595     die_gpl_disabled "The Postprocessing code" postproc
1596     die_gpl_disabled "libx264"                 libx264
1597     die_gpl_disabled "libxvidcore"             libxvid
1598     die_gpl_disabled "FAAD2"                   libfaad2
1599     die_gpl_disabled "The X11 grabber"         x11grab
1600     die_gpl_disabled "The software scaler"     swscale
1601 fi
1602
1603 if ! enabled nonfree && enabled_any libamr_nb libamr_wb; then
1604     die "libamr is nonfree and --enable-nonfree is not specified."
1605 fi
1606
1607 check_deps $ARCH_EXT_LIST
1608
1609 test -z "$need_memalign" && need_memalign="$mmx"
1610
1611 #Darwin CC versions
1612 if test $target_os = darwin; then
1613     if $cc -v 2>&1 | grep -q xlc; then
1614         add_cflags -qpdf2 -qlanglvl=extc99 -qmaxmem=-1 -qarch=auto -qtune=auto
1615     else
1616         add_cflags -pipe
1617         check_cflags -force_cpusubtype_ALL
1618         check_cflags -Wno-sign-compare
1619         enabled shared || check_cflags -mdynamic-no-pic
1620     fi
1621 fi
1622
1623 disabled optimizations || check_cflags -fomit-frame-pointer
1624
1625 # Add processor-specific flags
1626 if test $cpu != "generic"; then
1627     warn_altivec(){
1628         $1 altivec && echo "WARNING: Tuning for $2 but AltiVec $1.";
1629     }
1630     case $cpu in
1631         601|ppc601|PowerPC601)
1632             add_cflags -mcpu=601
1633             warn_altivec enabled PPC601
1634         ;;
1635         603*|ppc603*|PowerPC603*)
1636             add_cflags -mcpu=603
1637             warn_altivec enabled PPC603
1638         ;;
1639         604*|ppc604*|PowerPC604*)
1640             add_cflags -mcpu=604
1641             warn_altivec enabled PPC604
1642         ;;
1643         G3|g3|75*|ppc75*|PowerPC75*)
1644             add_cflags -mcpu=750 -mpowerpc-gfxopt
1645             warn_altivec enabled PPC75x
1646         ;;
1647         G4|g4|745*|ppc745*|PowerPC745*)
1648             add_cflags -mcpu=7450 -mpowerpc-gfxopt
1649             warn_altivec disabled PPC745x
1650         ;;
1651         74*|ppc74*|PowerPC74*)
1652             add_cflags -mcpu=7400 -mpowerpc-gfxopt
1653             warn_altivec disabled PPC74xx
1654         ;;
1655         G5|g5|970|ppc970|PowerPC970|power4*|Power4*)
1656             add_cflags -mcpu=970 -mpowerpc-gfxopt -mpowerpc64
1657             warn_altivec disabled PPC970
1658             enable ppc64
1659         ;;
1660         Cell|CELL|cell)
1661             add_cflags -mcpu=cell
1662             warn_altivec disabled Cell
1663             enable ppc64
1664         ;;
1665         # targets that do NOT support conditional mov (cmov)
1666         i[345]86|pentium|pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
1667             add_cflags -march=$cpu
1668             disable cmov
1669         ;;
1670         # targets that do support conditional mov (cmov)
1671         i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64|k8|opteron|athlon-fx|core2)
1672             add_cflags -march=$cpu
1673             enable cmov
1674             enable fast_cmov
1675         ;;
1676         # targets that do support conditional mov but on which it's slow
1677         pentium4|pentium4m|prescott|nocona)
1678             add_cflags -march=$cpu
1679             enable cmov
1680             disable fast_cmov
1681         ;;
1682         sparc64)
1683             add_cflags -mcpu=v9
1684         ;;
1685         arm11*|cortex*)
1686             add_cflags -mcpu=$cpu
1687             enable fast_unaligned
1688         ;;
1689         armv*)
1690             add_cflags -march=$cpu
1691         ;;
1692         arm*)
1693             add_cflags -mcpu=$cpu
1694         ;;
1695         ev4|ev45|ev5|ev56|pca56|ev6|ev67)
1696             add_cflags -mcpu=$cpu
1697         ;;
1698         *)
1699             echo "WARNING: Unknown CPU \"$cpu\", ignored."
1700         ;;
1701     esac
1702 fi
1703
1704 # make sure we can execute files in $TMPDIR
1705 cat > $TMPSH 2>> $logfile <<EOF
1706 #! /bin/sh
1707 EOF
1708 chmod +x $TMPSH >> $logfile 2>&1
1709 if ! $TMPSH >> $logfile 2>&1; then
1710     cat <<EOF
1711 Unable to create and execute files in $TMPDIR.  Set the TMPDIR environment
1712 variable to another directory and make sure that it is not mounted noexec.
1713 EOF
1714     die "Sanity test failed."
1715 fi
1716 rm $TMPSH
1717
1718 # compiler sanity check
1719 check_exec <<EOF
1720 int main(void){ return 0; }
1721 EOF
1722 if test "$?" != 0; then
1723     echo "$cc is unable to create an executable file."
1724     if test -z "$cross_prefix" && ! enabled cross_compile ; then
1725         echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
1726         echo "Only do this if you know what cross compiling means."
1727     fi
1728     die "C compiler test failed."
1729 fi
1730
1731 check_cc <<EOF || die "Symbol mangling check failed."
1732 int ff_extern;
1733 EOF
1734 sym=$($nm -P -g $TMPO | grep ff_extern)
1735 extern_prefix=${sym%%ff_extern*}
1736
1737 check_asm inline_asm '""'
1738
1739 if enabled x86; then
1740     # check whether EBP is available on x86
1741     # As 'i' is stored on the stack, this program will crash
1742     # if the base pointer is used to access it because the
1743     # base pointer is cleared in the inline assembly code.
1744     check_exec_crash <<EOF && enable ebp_available
1745     volatile int i=0;
1746     __asm__ volatile (
1747         "xorl %%ebp, %%ebp"
1748     ::: "%ebp");
1749     return i;
1750 EOF
1751
1752     # check wether EBX is available on x86
1753     check_asm ebx_available '"":::"%ebx"'
1754
1755     # check whether binutils is new enough to compile SSSE3/MMX2
1756     enabled ssse3 && check_asm ssse3 '"pabsw %xmm0, %xmm0"'
1757     enabled mmx2  && check_asm mmx2  '"movss %xmm0, %xmm0"'
1758
1759     check_asm bswap '"bswap %%eax" ::: "%eax"'
1760
1761     YASMFLAGS="-f $objformat -DARCH_$(toupper $subarch)"
1762     enabled     x86_64        && append YASMFLAGS "-m amd64"
1763     enabled_all x86_64 shared && append YASMFLAGS "-DPIC"
1764     case "$objformat" in
1765         elf) enabled debug && append YASMFLAGS "-g dwarf2" ;;
1766         macho64)              append YASMFLAGS "-DPIC -DPREFIX" ;;
1767         *)                    append YASMFLAGS "-DPREFIX"  ;;
1768     esac
1769     check_yasm "pabsw xmm0, xmm0" && enable yasm
1770 fi
1771
1772 # check for assembler specific support
1773
1774 enabled ppc && check_asm dcbzl '"dcbzl 0, 1"'
1775
1776 # check for SIMD availability
1777
1778 # AltiVec flags: The FSF version of GCC differs from the Apple version
1779 if enabled altivec; then
1780     check_cflags -maltivec -mabi=altivec &&
1781         { check_header altivec.h && inc_altivec_h="#include <altivec.h>" ; } ||
1782         check_cflags -faltivec
1783
1784     # check if our compiler supports Motorola AltiVec C API
1785     check_cc <<EOF || disable altivec
1786 $inc_altivec_h
1787 int main(void) {
1788     vector signed int v1, v2, v3;
1789     v1 = vec_add(v2,v3);
1790     return 0;
1791 }
1792 EOF
1793
1794     # check if our compiler supports braces for vector declarations
1795     check_cc <<EOF || die "You need a compiler that supports {} in AltiVec vector declarations."
1796 $inc_altivec_h
1797 int main (void) { (vector int) {1}; return 0; }
1798 EOF
1799 fi
1800
1801 # We have to check if pld is a nop and disable it.
1802 enabled arm     && check_asm pld     '"pld [r0]"'
1803 enabled armv5te && check_asm armv5te '"qadd r0, r0, r0"'
1804 enabled armv6   && check_asm armv6   '"sadd16 r0, r0, r0"'
1805 enabled armv6t2 && check_asm armv6t2 '"movt r0, #0"'
1806 enabled armvfp  && check_asm armvfp  '"fadds s0, s0, s0"'
1807 enabled iwmmxt  && check_asm iwmmxt  '"wunpckelub wr6, wr4"'
1808 enabled mmi     && check_asm mmi     '"lq $2, 0($2)"'
1809 enabled neon    && check_asm neon    '"vadd.i16 q0, q0, q0"'
1810 enabled vis     && check_asm vis     '"pdist %f0, %f0, %f0"' -mcpu=ultrasparc
1811
1812 enabled vis && add_cflags -mcpu=ultrasparc -mtune=ultrasparc
1813
1814 # ---
1815 # big/little-endian test
1816 check_cc <<EOF || die "endian test failed"
1817 unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';
1818 EOF
1819 od -A n -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian
1820
1821 # ---
1822 # check availability of some header files
1823
1824 if check_func dlopen; then
1825     ldl=
1826 elif check_func dlopen -ldl; then
1827     ldl=-ldl
1828 fi
1829
1830 check_func  fork
1831 check_func  gethrtime
1832 check_func  getrusage
1833 check_func  inet_aton $network_extralibs
1834 check_func  memalign
1835 check_func  mkstemp
1836 check_func  posix_memalign
1837 check_func_headers io.h setmode
1838 check_func_headers windows.h GetProcessTimes
1839
1840 check_header conio.h
1841 check_header dlfcn.h
1842 check_header malloc.h
1843 check_header poll.h
1844 check_header sys/mman.h
1845 check_header sys/resource.h
1846 check_header sys/select.h
1847 check_header termios.h
1848 check_header vdpau/vdpau.h
1849 check_header vdpau/vdpau_x11.h
1850 check_header X11/extensions/XvMClib.h
1851
1852 if ! enabled_any memalign memalign_hack posix_memalign && enabled need_memalign ; then
1853     die "Error, no aligned memory allocator but SSE enabled, disable it or use --enable-memalign-hack."
1854 fi
1855
1856 disabled  zlib || check_lib   zlib.h      zlibVersion -lz   || disable  zlib
1857 disabled bzlib || check_lib2 bzlib.h BZ2_bzlibVersion -lbz2 || disable bzlib
1858
1859 # check for some common methods of building with pthread support
1860 # do this before the optional library checks as some of them require pthreads
1861 if enabled pthreads; then
1862     if check_func pthread_create; then
1863         :
1864     elif check_func pthread_create -pthread; then
1865         add_cflags -pthread
1866         add_extralibs -pthread
1867     elif check_func pthread_create -pthreads; then
1868         add_cflags -pthreads
1869         add_extralibs -pthreads
1870     elif check_func pthread_create -lpthreadGC2; then
1871         add_extralibs -lpthreadGC2
1872     elif ! check_lib pthread.h pthread_create -lpthread; then
1873         die "ERROR: can't find pthreads library"
1874     fi
1875 fi
1876
1877 for thread in $THREADS_LIST; do
1878     if enabled $thread; then
1879         test -n "$thread_type" &&
1880             die "ERROR: Only one thread type must be selected." ||
1881             thread_type="$thread"
1882     fi
1883 done
1884
1885 check_lib math.h sin -lm
1886
1887 # test for C99 functions in math.h
1888 for func in llrint lrint lrintf round roundf truncf; do
1889     check_exec <<EOF && enable $func || disable $func
1890 #include <math.h>
1891 int main(void) { return ($func(3.999f) > 0)?0:1; }
1892 EOF
1893 done
1894
1895 # these are off by default, so fail if requested and not available
1896 enabled avisynth   && require2 vfw32 "windows.h vfw.h" AVIFileInit -lvfw32
1897 enabled libamr_nb  && require  libamrnb amrnb/interf_dec.h Speech_Decode_Frame_init -lamrnb -lm
1898 enabled libamr_wb  && require  libamrwb amrwb/dec_if.h D_IF_init -lamrwb -lm
1899 enabled libdirac   && add_cflags $(pkg-config --cflags dirac) &&
1900                       require  libdirac libdirac_decoder/dirac_parser.h dirac_decoder_init -ldirac_decoder &&
1901                       require  libdirac libdirac_encoder/dirac_encoder.h dirac_encoder_init -ldirac_encoder
1902 enabled libfaac    && require2 libfaac "stdint.h faac.h" faacEncGetVersion -lfaac
1903 enabled libfaad    && require2 libfaad faad.h faacDecOpen -lfaad
1904 enabled libgsm     && require  libgsm gsm.h gsm_create -lgsm
1905 enabled libmp3lame && require  libmp3lame lame/lame.h lame_init -lmp3lame -lm
1906 enabled libnut     && require  libnut libnut.h nut_demuxer_init -lnut
1907 enabled libschroedinger && add_cflags $(pkg-config --cflags schroedinger-1.0) &&
1908                            require libschroedinger schroedinger/schro.h schro_init $(pkg-config --libs schroedinger-1.0)
1909 enabled libspeex   && require  libspeex speex/speex.h speex_decoder_init -lspeex
1910 enabled libtheora  && require  libtheora theora/theora.h theora_info_init -ltheora -logg
1911 enabled libvorbis  && require  libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbisenc -lvorbis -logg
1912 enabled libx264    && require  libx264 x264.h x264_encoder_open -lx264 -lm &&
1913                       { check_cpp_condition x264.h "X264_BUILD >= 65" ||
1914                         die "ERROR: libx264 version must be >= 0.65."; }
1915 enabled libxvid    && require  libxvid xvid.h xvid_global -lxvidcore
1916 enabled mlib       && require  mediaLib mlib_types.h mlib_VectorSub_S16_U8_Mod -lmlib
1917
1918 # libdc1394 check
1919 if enabled libdc1394; then
1920     { check_lib dc1394/dc1394.h dc1394_new -ldc1394 -lraw1394 &&
1921         enable libdc1394_2; } ||
1922     { check_lib libdc1394/dc1394_control.h dc1394_create_handle -ldc1394_control -lraw1394 &&
1923         enable libdc1394_1; } ||
1924     die "ERROR: No version of libdc1394 found "
1925 fi
1926
1927
1928 _restrict=
1929 for restrict_keyword in restrict __restrict__ __restrict; do
1930     check_cc <<EOF && _restrict=$restrict_keyword && break
1931 void foo(char * $restrict_keyword p);
1932 EOF
1933 done
1934
1935 test "$vhook" = "default" && vhook="$dlopen"
1936
1937 if test "$target_os" = cygwin -o "$target_os" = mingw32 && enabled_all static vhook ; then
1938     disable vhook
1939     echo
1940     echo "At the moment vhooks don't work on Cygwin or MinGW static builds."
1941     echo "Patches welcome."
1942     echo
1943 fi
1944
1945 if enabled vhook; then
1946     check_ldflags -rdynamic
1947     check_ldflags -export-dynamic
1948 fi
1949
1950 check_foo_config imlib2 imlib2 Imlib2.h imlib_load_font
1951 check_foo_config freetype2 freetype ft2build.h FT_Init_FreeType
1952
1953 ##########################################
1954 # SDL check
1955
1956 disable sdl_too_old
1957 disable sdl
1958 SDL_CONFIG="${cross_prefix}sdl-config"
1959 if "${SDL_CONFIG}" --version > /dev/null 2>&1; then
1960     sdl_cflags=`"${SDL_CONFIG}" --cflags`
1961     temp_cflags $sdl_cflags
1962     temp_extralibs `"${SDL_CONFIG}" --libs`
1963     if check_lib2 SDL.h SDL_Init; then
1964         _sdlversion=`"${SDL_CONFIG}" --version | sed 's/[^0-9]//g'`
1965         if test "$_sdlversion" -lt 121 ; then
1966             enable sdl_too_old
1967         else
1968             enable sdl
1969             check_cc $sdl_cflags <<EOF && enable sdl_video_size
1970 #include <SDL.h>
1971 int main(int argc, char **argv){
1972     const SDL_VideoInfo *vi = SDL_GetVideoInfo();
1973     int w = vi->current_w;
1974     return 0;
1975 }
1976 EOF
1977         fi
1978     fi
1979     restore_flags
1980 fi
1981
1982 texi2html -version > /dev/null 2>&1 && enable texi2html || disable texi2html
1983
1984 ##########################################
1985 # Network check
1986
1987 if enabled network; then
1988     check_type "sys/types.h sys/socket.h" socklen_t
1989     # Prefer arpa/inet.h over winsock2
1990     if check_header arpa/inet.h ; then
1991         check_func closesocket
1992     elif check_header winsock2.h ; then
1993         network_extralibs="-lws2_32"
1994         check_type ws2tcpip.h socklen_t
1995         check_func_headers winsock2.h closesocket
1996     fi
1997 fi
1998
1999 ##########################################
2000 # IPv6 check
2001
2002 enabled network && enabled ipv6 && check_ld <<EOF && enable ipv6 || disable ipv6
2003 #include <sys/types.h>
2004 #include <sys/socket.h>
2005 #include <netinet/in.h>
2006 #include <netdb.h>
2007 int main(void) {
2008     struct sockaddr_storage saddr;
2009     struct ipv6_mreq mreq6;
2010     getaddrinfo(0,0,0,0);
2011     getnameinfo(0,0,0,0,0,0,0);
2012     IN6_IS_ADDR_MULTICAST((const struct in6_addr *)0);
2013 }
2014 EOF
2015
2016 check_header linux/videodev.h
2017 check_header linux/videodev2.h
2018 check_header sys/videoio.h
2019
2020 check_func_headers "windows.h vfw.h" capCreateCaptureWindow -lvfw32
2021
2022 # check for ioctl_meteor.h, ioctl_bt848.h and alternatives
2023 { check_header dev/bktr/ioctl_meteor.h &&
2024   check_header dev/bktr/ioctl_bt848.h; } ||
2025 { check_header machine/ioctl_meteor.h &&
2026   check_header machine/ioctl_bt848.h; } ||
2027 { check_header dev/video/meteor/ioctl_meteor.h &&
2028   check_header dev/video/bktr/ioctl_bt848.h; } ||
2029 check_header dev/ic/bt8xx.h
2030
2031 check_header sys/soundcard.h
2032 check_header soundcard.h
2033
2034 # deal with the X11 frame grabber
2035 enabled x11grab                         &&
2036 check_header X11/Xlib.h                 &&
2037 check_header X11/extensions/XShm.h      &&
2038 check_func XOpenDisplay -lX11           &&
2039 check_func XShmCreateImage -lX11 -lXext
2040
2041 enabled debug && add_cflags -g"$debuglevel"
2042
2043 # add some useful compiler flags if supported
2044 check_cflags -Wdeclaration-after-statement
2045 check_cflags -Wall
2046 check_cflags -Wno-switch
2047 check_cflags -Wdisabled-optimization
2048 check_cflags -Wpointer-arith
2049 check_cflags -Wredundant-decls
2050 check_cflags -Wno-pointer-sign
2051 check_cflags -Wcast-qual
2052 check_cflags -Wwrite-strings
2053 check_cflags -Wtype-limits
2054 check_cflags -Wundef
2055 enabled extra_warnings && check_cflags -Winline
2056
2057 # add some linker flags
2058 check_ldflags -Wl,--warn-common
2059 check_ldflags -Wl,--as-needed
2060 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'
2061 check_ldflags -Wl,-Bsymbolic
2062
2063 if enabled small; then
2064     check_cflags -Os            # not all compilers support -Os
2065     optimizations="small"
2066 elif enabled optimizations; then
2067     if $cc -v 2>&1 | grep -q xlc; then
2068         add_cflags  -O5
2069         add_ldflags -O5
2070     else
2071         add_cflags -O3
2072     fi
2073 fi
2074 check_cflags -fno-math-errno
2075 check_cflags -fno-signed-zeros
2076
2077 # add some flags for Intel C Compiler
2078 if $cc --version 2> /dev/null | grep -q Intel; then
2079   # Just warnings, no remarks
2080   check_cflags -w1
2081   # -wd: Disable following warnings
2082   # 144, 167, 556: -Wno-pointer-sign
2083   # 10006: ignoring unknown option -fno-signed-zeros
2084   # 10156: ignoring option '-W'; no argument required
2085   check_cflags -wd144,167,556,10006,10156
2086   # 11030: Warning unknown option --as-needed
2087   # 10156: ignoring option '-export'; no argument required
2088   check_ldflags -wd10156,11030
2089   # Allow to compile with optimizations
2090   check_ldflags -march=$cpu
2091 fi
2092
2093 # PIC flags for shared library objects where they are needed
2094 if enabled shared; then
2095     # LIBOBJFLAGS may have already been set in the OS configuration
2096     if test -z "$LIBOBJFLAGS" ; then
2097         case "${subarch-$arch}" in
2098             x86_64|ia64|alpha|sparc*|power*|parisc*|mips*) LIBOBJFLAGS='$(PIC)' ;;
2099         esac
2100     fi
2101 fi
2102
2103 if enabled gprof; then
2104     add_cflags  -p
2105     add_ldflags -p
2106 fi
2107
2108 VHOOKCFLAGS="-fPIC"
2109
2110 # Find out if the .align argument is a power of two or not.
2111 check_asm asmalign_pot '".align 3"'
2112
2113 enabled_any $DECODER_LIST      && enable decoders
2114 enabled_any $ENCODER_LIST      && enable encoders
2115 enabled_any $BSF_LIST          && enable bsfs
2116 enabled_any $DEMUXER_LIST      && enable demuxers
2117 enabled_any $MUXER_LIST        && enable muxers
2118 enabled_any $FILTER_LIST       && enable filters
2119 enabled_any $INDEV_LIST        && enable demuxers
2120 enabled_any $OUTDEV_LIST       && enable muxers
2121 enabled_any $PROTOCOL_LIST     && enable protocols
2122
2123 enabled_any $THREADS_LIST      && enable threads
2124
2125 check_deps $CONFIG_LIST       \
2126            $CONFIG_EXTRA      \
2127            $HAVE_LIST         \
2128            $DECODER_LIST      \
2129            $ENCODER_LIST      \
2130            $PARSER_LIST       \
2131            $BSF_LIST          \
2132            $DEMUXER_LIST      \
2133            $MUXER_LIST        \
2134            $FILTER_LIST       \
2135            $INDEV_LIST        \
2136            $OUTDEV_LIST       \
2137            $PROTOCOL_LIST     \
2138
2139 echo "install prefix            $prefix"
2140 echo "source path               $source_path"
2141 echo "C compiler                $cc"
2142 echo ".align is power-of-two    $asmalign_pot"
2143 echo "ARCH                      $arch ($cpu)"
2144 if test "$build_suffix" != ""; then
2145     echo "build suffix              $build_suffix"
2146 fi
2147 if test "$extra_version" != ""; then
2148     echo "version string suffix     $extra_version"
2149 fi
2150 echo "big-endian                ${bigendian-no}"
2151 if enabled x86; then
2152     echo "yasm                      ${yasm-no}"
2153     echo "MMX enabled               ${mmx-no}"
2154     echo "SSE enabled               ${sse-no}"
2155     echo "CMOV enabled              ${cmov-no}"
2156     echo "CMOV is fast              ${fast_cmov-no}"
2157     echo "EBX available             ${ebx_available-no}"
2158     echo "EBP available             ${ebp_available-no}"
2159 fi
2160 if enabled arm; then
2161     echo "ARMv5TE enabled           ${armv5te-no}"
2162     echo "ARMv6 enabled             ${armv6-no}"
2163     echo "ARMv6T2 enabled           ${armv6t2-no}"
2164     echo "ARM VFP enabled           ${armvfp-no}"
2165     echo "IWMMXT enabled            ${iwmmxt-no}"
2166     echo "NEON enabled              ${neon-no}"
2167 fi
2168 if enabled mips; then
2169     echo "MMI enabled               ${mmi-no}"
2170 fi
2171 if enabled ppc; then
2172     echo "AltiVec enabled           ${altivec-no}"
2173     echo "dcbzl available           ${dcbzl-no}"
2174 fi
2175 echo "gprof enabled             ${gprof-no}"
2176 echo "debug symbols             ${debug-no}"
2177 echo "strip symbols             ${stripping-no}"
2178 echo "optimizations             ${optimizations-no}"
2179 echo "static                    ${static-no}"
2180 echo "shared                    ${shared-no}"
2181 echo "postprocessing support    ${postproc-no}"
2182 echo "software scaler enabled   ${swscale-no}"
2183 echo "new filter support        ${avfilter-no}"
2184 echo "filters using lavformat   ${avfilter_lavf-no}"
2185 echo "video hooking             ${vhook-no}"
2186 if enabled vhook; then
2187     echo "Imlib2 support            ${imlib2-no}"
2188     echo "FreeType support          ${freetype2-no}"
2189 fi
2190 echo "network support           ${network-no}"
2191 if enabled network; then
2192     echo "IPv6 support              ${ipv6-no}"
2193 fi
2194 echo "threading support         ${thread_type-no}"
2195 echo "SDL support               ${sdl-no}"
2196 if enabled sdl_too_old; then
2197     echo "-> Your SDL version is too old - please upgrade to have FFplay/SDL support."
2198 fi
2199 echo "Sun medialib support      ${mlib-no}"
2200 echo "AVISynth enabled          ${avisynth-no}"
2201 echo "libamr-nb support         ${libamr_nb-no}"
2202 echo "libamr-wb support         ${libamr_wb-no}"
2203 echo "libdc1394 support         ${libdc1394-no}"
2204 echo "libdirac enabled          ${libdirac-no}"
2205 echo "libfaac enabled           ${libfaac-no}"
2206 echo "libfaad enabled           ${libfaad-no}"
2207 echo "libfaad dlopened          ${libfaadbin-no}"
2208 echo "libgsm enabled            ${libgsm-no}"
2209 echo "libmp3lame enabled        ${libmp3lame-no}"
2210 echo "libnut enabled            ${libnut-no}"
2211 echo "libschroedinger enabled   ${libschroedinger-no}"
2212 echo "libspeex enabled          ${libspeex-no}"
2213 echo "libtheora enabled         ${libtheora-no}"
2214 echo "libvorbis enabled         ${libvorbis-no}"
2215 echo "libx264 enabled           ${libx264-no}"
2216 echo "libxvid enabled           ${libxvid-no}"
2217 echo "vdpau enabled             ${vdpau-no}"
2218 echo "zlib enabled              ${zlib-no}"
2219 echo "bzlib enabled             ${bzlib-no}"
2220 echo
2221
2222 for type in decoder encoder parser demuxer muxer protocol filter bsf indev outdev; do
2223     echo "Enabled ${type}s:"
2224     eval list=\$$(toupper $type)_LIST
2225     for part in $list; do
2226         enabled $part && echo ${part%_*}
2227     done | sort | pr -3 -t
2228     echo
2229 done
2230
2231 license="LGPL"
2232 if enabled nonfree; then
2233     license="unredistributable"
2234 elif enabled gpl; then
2235     license="GPL"
2236 fi
2237
2238 echo "License: $license"
2239
2240 echo "Creating config.mak and config.h..."
2241
2242 echo "# Automatically generated by configure - do not modify!" > config.mak
2243 echo "/* Automatically generated by configure - do not modify! */" > $TMPH
2244 echo "#ifndef FFMPEG_CONFIG_H" >> $TMPH
2245 echo "#define FFMPEG_CONFIG_H" >> $TMPH
2246 echo "#define FFMPEG_CONFIGURATION \"$FFMPEG_CONFIGURATION\"" >> $TMPH
2247
2248 echo "FFMPEG_CONFIGURATION=$FFMPEG_CONFIGURATION" >> config.mak
2249 echo "prefix=$prefix" >> config.mak
2250 echo "LIBDIR=\$(DESTDIR)$libdir" >> config.mak
2251 echo "SHLIBDIR=\$(DESTDIR)$shlibdir" >> config.mak
2252 echo "INCDIR=\$(DESTDIR)$incdir" >> config.mak
2253 echo "BINDIR=\$(DESTDIR)$bindir" >> config.mak
2254 echo "MANDIR=\$(DESTDIR)$mandir" >> config.mak
2255 echo "CC=$cc" >> config.mak
2256 echo "YASM=$yasmexe" >> config.mak
2257 echo "AR=$ar" >> config.mak
2258 echo "RANLIB=$ranlib" >> config.mak
2259 echo "LN_S=$ln_s" >> config.mak
2260 enabled stripping &&
2261     echo "STRIP=$strip" >> config.mak ||
2262     echo "STRIP=echo ignoring strip" >> config.mak
2263
2264 echo "OPTFLAGS=$CFLAGS" >> config.mak
2265 echo "VHOOKCFLAGS=$VHOOKCFLAGS" >> config.mak
2266 echo "LDFLAGS=$LDFLAGS" >> config.mak
2267 echo "FFSERVERLDFLAGS=$FFSERVERLDFLAGS" >> config.mak
2268 echo "SHFLAGS=$SHFLAGS" >> config.mak
2269 echo "YASMFLAGS=$YASMFLAGS" >> config.mak
2270 echo "VHOOKSHFLAGS=$VHOOKSHFLAGS" >> config.mak
2271 echo "VHOOKLIBS=$VHOOKLIBS" >> config.mak
2272 echo "LIBOBJFLAGS=$LIBOBJFLAGS" >> config.mak
2273 echo "BUILD_STATIC=$static" >> config.mak
2274 echo "BUILDSUF=$build_suffix" >> config.mak
2275 echo "FULLNAME=$FULLNAME" >> config.mak
2276 echo "LIBPREF=$LIBPREF" >> config.mak
2277 echo "LIBSUF=$LIBSUF" >> config.mak
2278 echo "LIBNAME=$LIBNAME" >> config.mak
2279 echo "SLIBPREF=$SLIBPREF" >> config.mak
2280 echo "SLIBSUF=$SLIBSUF" >> config.mak
2281 echo "EXESUF=$EXESUF" >> config.mak
2282 echo "EXTRA_VERSION=$extra_version" >> config.mak
2283 echo "DEPEND_CMD=$DEPEND_CMD" >> config.mak
2284 echo "HOSTCC=$host_cc" >> config.mak
2285 echo "HOSTCFLAGS=$host_cflags" >> config.mak
2286 echo "HOSTLDFLAGS=$host_ldflags" >> config.mak
2287 echo "HOSTLIBS=$host_libs" >> config.mak
2288 echo "TARGET_EXEC=$target_exec" >> config.mak
2289 echo "TARGET_PATH=$target_path" >> config.mak
2290
2291 if enabled bigendian; then
2292     echo "WORDS_BIGENDIAN=yes" >> config.mak
2293     echo "#define WORDS_BIGENDIAN 1" >> $TMPH
2294 fi
2295
2296 if enabled sdl; then
2297     echo "SDL_LIBS=`"${SDL_CONFIG}" --libs`" >> config.mak
2298     echo "SDL_CFLAGS=`"${SDL_CONFIG}" --cflags`" >> config.mak
2299 fi
2300 if enabled texi2html; then
2301     echo "BUILD_DOC=yes" >> config.mak
2302 fi
2303
2304 get_version(){
2305     name=$1
2306     file=$source_path/$2
2307     eval $(grep "#define ${name}_VERSION_M" "$file" | awk '{ print $2"="$3 }')
2308     eval ${name}_VERSION=\$${name}_VERSION_MAJOR.\$${name}_VERSION_MINOR.\$${name}_VERSION_MICRO
2309     lcname=$(tolower $name)
2310     eval echo "${lcname}_VERSION=\$${name}_VERSION" >> config.mak
2311     eval echo "${lcname}_VERSION_MAJOR=\$${name}_VERSION_MAJOR" >> config.mak
2312 }
2313
2314 get_version LIBSWSCALE  libswscale/swscale.h
2315 get_version LIBPOSTPROC libpostproc/postprocess.h
2316 get_version LIBAVCODEC  libavcodec/avcodec.h
2317 get_version LIBAVDEVICE libavdevice/avdevice.h
2318 get_version LIBAVFORMAT libavformat/avformat.h
2319 get_version LIBAVUTIL   libavutil/avutil.h
2320 get_version LIBAVFILTER libavfilter/avfilter.h
2321
2322 if enabled shared; then
2323     echo "BUILD_SHARED=yes" >> config.mak
2324     echo "PIC=-fPIC -DPIC" >> config.mak
2325     echo "LIBTARGET=${LIBTARGET}" >> config.mak
2326     echo "SLIBNAME=${SLIBNAME}" >> config.mak
2327     echo "SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}" >> config.mak
2328     echo "SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}" >> config.mak
2329     echo "SLIB_CREATE_DEF_CMD=${SLIB_CREATE_DEF_CMD}" >> config.mak
2330     echo "SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}" >> config.mak
2331     echo "SLIB_INSTALL_EXTRA_CMD=${SLIB_INSTALL_EXTRA_CMD}" >> config.mak
2332     echo "SLIB_UNINSTALL_EXTRA_CMD=${SLIB_UNINSTALL_EXTRA_CMD}" >> config.mak
2333 fi
2334 echo "LIB_INSTALL_EXTRA_CMD=${LIB_INSTALL_EXTRA_CMD}" >> config.mak
2335 echo "EXTRALIBS=$extralibs" >> config.mak
2336
2337 echo "ARCH=$arch" >> config.mak
2338
2339 print_config ARCH_   $TMPH config.mak $ARCH_LIST
2340 print_config HAVE_   $TMPH config.mak $HAVE_LIST
2341 print_config CONFIG_ $TMPH config.mak $CONFIG_LIST       \
2342                                       $CONFIG_EXTRA      \
2343                                       $DECODER_LIST      \
2344                                       $ENCODER_LIST      \
2345                                       $PARSER_LIST       \
2346                                       $BSF_LIST          \
2347                                       $DEMUXER_LIST      \
2348                                       $MUXER_LIST        \
2349                                       $FILTER_LIST       \
2350                                       $PROTOCOL_LIST     \
2351                                       $INDEV_LIST        \
2352                                       $OUTDEV_LIST       \
2353
2354 echo "#define restrict $_restrict" >> $TMPH
2355
2356 if enabled small; then
2357     echo "#define av_always_inline"  >> $TMPH
2358 fi
2359
2360 echo "SRC_PATH=\"$source_path\"" >> config.mak
2361 echo "SRC_PATH_BARE=$source_path" >> config.mak
2362 echo "BUILD_ROOT=\"$PWD\"" >> config.mak
2363
2364 # Apparently it's not possible to portably echo a backslash.
2365 enabled asmalign_pot &&
2366     printf '#define ASMALIGN(ZEROBITS) ".align " #ZEROBITS "\\n\\t"\n' >> $TMPH ||
2367     printf '#define ASMALIGN(ZEROBITS) ".align 1 << " #ZEROBITS "\\n\\t"\n' >> $TMPH
2368
2369 echo "#define EXTERN_PREFIX \"${extern_prefix}\"" >> $TMPH
2370
2371 echo "#endif /* FFMPEG_CONFIG_H */" >> $TMPH
2372
2373 # Do not overwrite an unchanged config.h to avoid superfluous rebuilds.
2374 cmp -s $TMPH config.h &&
2375     echo "config.h is unchanged" ||
2376     mv -f $TMPH config.h
2377
2378 rm -f $TMPC $TMPE $TMPH $TMPO $TMPS $TMPSH
2379
2380 # build tree in object directory if source path is different from current one
2381 if enabled source_path_used; then
2382     DIRS="\
2383         doc               \
2384         libavcodec        \
2385         libavcodec/alpha  \
2386         libavcodec/arm    \
2387         libavcodec/bfin   \
2388         libavcodec/mlib   \
2389         libavcodec/ppc    \
2390         libavcodec/sh4    \
2391         libavcodec/sparc  \
2392         libavcodec/x86    \
2393         libavdevice       \
2394         libavfilter       \
2395         libavformat       \
2396         libavutil         \
2397         libpostproc       \
2398         libswscale        \
2399         tests             \
2400         tools             \
2401         vhook             \
2402         "
2403     FILES="\
2404         Makefile             \
2405         common.mak           \
2406         subdir.mak           \
2407         doc/texi2pod.pl      \
2408         libavcodec/Makefile  \
2409         libavdevice/Makefile \
2410         libavfilter/Makefile \
2411         libavformat/Makefile \
2412         libavutil/Makefile   \
2413         libpostproc/Makefile \
2414         libswscale/Makefile  \
2415         "
2416     for dir in $DIRS ; do
2417         mkdir -p $dir
2418     done
2419     for f in $FILES ; do
2420         $ln_s "$source_path/$f" $f
2421     done
2422 fi
2423
2424
2425 # build pkg-config files
2426
2427 pkgconfig_generate(){
2428 name=$1
2429 shortname=${name#lib}${build_suffix}
2430 comment=$2
2431 version=$3
2432 libs=$4
2433 requires=$5
2434 cat <<EOF > $name/$name.pc
2435 prefix=$prefix
2436 exec_prefix=\${prefix}
2437 libdir=$libdir
2438 includedir=$incdir
2439
2440 Name: $name
2441 Description: $comment
2442 Version: $version
2443 Requires: $(disabled shared && echo $requires)
2444 Requires.private: $(enabled shared && echo $requires)
2445 Conflicts:
2446 Libs: -L\${libdir} -l${shortname} $(disabled shared && echo $libs)
2447 Libs.private: $(enabled shared && echo $libs)
2448 Cflags: -I\${includedir}
2449 EOF
2450 cat <<EOF > $name/$name-uninstalled.pc
2451 prefix=
2452 exec_prefix=
2453 libdir=\${pcfiledir}
2454 includedir=${source_path}
2455
2456 Name: $name
2457 Description: $comment
2458 Version: $version
2459 Requires: $requires
2460 Conflicts:
2461 Libs: \${libdir}/${LIBPREF}${shortname}${LIBSUF} $libs
2462 Cflags: -I\${includedir}
2463 EOF
2464 }
2465
2466 pkgconfig_generate libavutil "FFmpeg utility library" "$LIBAVUTIL_VERSION"
2467 pkgconfig_generate libavcodec "FFmpeg codec library" "$LIBAVCODEC_VERSION" "$extralibs" "libavutil = $LIBAVUTIL_VERSION"
2468 pkgconfig_generate libavformat "FFmpeg container format library" "$LIBAVFORMAT_VERSION" "$extralibs" "libavcodec = $LIBAVCODEC_VERSION"
2469 pkgconfig_generate libavdevice "FFmpeg device handling library" "$LIBAVDEVICE_VERSION" "$extralibs" "libavformat = $LIBAVFORMAT_VERSION"
2470 enabled avfilter &&
2471     pkgconfig_generate libavfilter "FFmpeg video filtering library" "$LIBAVFILTER_VERSION" "$extralibs" "libavutil = $LIBAVUTIL_VERSION"
2472 enabled postproc &&
2473     pkgconfig_generate libpostproc "FFmpeg post processing library" "$LIBPOSTPROC_VERSION"
2474 if enabled swscale; then
2475     pkgconfig_generate libswscale "FFmpeg image rescaling library" "$LIBSWSCALE_VERSION" "" "libavutil = $LIBAVUTIL_VERSION"
2476 else
2477     pkgconfig_generate libswscale "FFmpeg image rescaling library" "$LIBSWSCALE_VERSION" "" "libavcodec = $LIBAVCODEC_VERSION"
2478     apply libswscale/libswscale.pc sed s/^Libs:.*$/Libs:/
2479 fi