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-w32threads      use Win32 threads [no]"
  88   echo "  --enable-x11grab         enable X11 grabbing [no]"
  89   echo
  90   echo "External library support:"
  91   echo "  --enable-mlib            enable Sun medialib [no]"
  92   echo "  --enable-avisynth        enable reading of AVISynth script files [no]"
  93   echo "  --enable-bzlib           enable bzlib [no]"
  94   echo "  --enable-libamr-nb       enable libamr-nb floating point audio codec"
  95   echo "  --enable-libamr-wb       enable libamr-wb floating point audio codec"
  96   echo "  --enable-libdc1394       enable IIDC-1394 grabbing using libdc1394"
  97   echo "                           and libraw1394 [no]"
  98   echo "  --enable-libdirac        enable Dirac support via libdirac [no]"
  99   echo "  --enable-libfaac         enable FAAC support via libfaac [no]"
 100   echo "  --enable-libfaad         enable FAAD support via libfaad [no]"
 101   echo "  --enable-libfaadbin      open libfaad.so.0 at runtime [no]"
 102   echo "  --enable-libgsm          enable GSM support via libgsm [no]"
 103   echo "  --enable-libmp3lame      enable MP3 encoding via libmp3lame [no]"
 104   echo "  --enable-libnut          enable NUT (de)muxing via libnut,"
 105   echo "                           native (de)muxer exists [no]"
 106   echo "  --enable-libschroedinger enable Dirac support via libschroedinger [no]"
 107   echo "  --enable-libspeex        enable Speex decoding via libspeex [no]"
 108   echo "  --enable-libtheora       enable Theora encoding via libtheora [no]"
 109   echo "  --enable-libvorbis       enable Vorbis encoding via libvorbis,"
 110   echo "                           native implementation exists [no]"
 111   echo "  --enable-libx264         enable H.264 encoding via x264 [no]"
 112   echo "  --enable-libxvid         enable Xvid encoding via xvidcore,"
 113   echo "                           native MPEG-4/Xvid encoder exists [no]"
 114   echo "  --enable-zlib            enable zlib [no]"
 115   echo ""
 116   echo "Advanced options (experts only):"
 117   echo "  --source-path=PATH       path to source code [$source_path]"
 118   echo "  --cross-prefix=PREFIX    use PREFIX for compilation tools [$cross_prefix]"
 119   echo "  --enable-cross-compile   assume a cross-compiler is used"
 120   echo "  --target-os=OS           compiler targets OS [$target_os]"
 121   echo "  --target-exec=CMD        command to run executables on target"
 122   echo "  --target-path=DIR        path to view of build directory on target"
 123   echo "  --cc=CC                  use C compiler CC [$cc]"
 124   echo "  --host-cc=HOSTCC         use host C compiler HOSTCC"
 125   echo "  --host-cflags=HCFLAGS    use HCFLAGS when compiling for host"
 126   echo "  --host-ldflags=HLDFLAGS  use HLDFLAGS when linking for host"
 127   echo "  --host-libs=HLIBS        use libs HLIBS when linking for host"
 128   echo "  --extra-cflags=ECFLAGS   add ECFLAGS to CFLAGS [$CFLAGS]"
 129   echo "  --extra-ldflags=ELDFLAGS add ELDFLAGS to LDFLAGS [$LDFLAGS]"
 130   echo "  --extra-libs=ELIBS       add ELIBS [$ELIBS]"
 131   echo "  --extra-version=STRING   version string suffix []"
 132   echo "  --build-suffix=SUFFIX    library name suffix []"
 133   echo "  --arch=ARCH              select architecture [$arch]"
 134   echo "  --cpu=CPU                select the minimum required CPU (affects"
 135   echo "                           instruction selection, may crash on older CPUs)"
 136   echo "  --enable-powerpc-perf    enable performance report on PPC"
 137   echo "                           (requires enabling PMC)"
 138   echo "  --disable-altivec        disable AltiVec optimizations"
 139   echo "  --disable-mmx            disable MMX optimizations"
 140   echo "  --disable-mmx2           disable MMX2 optimizations"
 141   echo "  --disable-ssse3          disable SSSE3 optimizations"
 142   echo "  --disable-armv5te        disable armv5te optimizations"
 143   echo "  --disable-armv6          disable armv6 optimizations"
 144   echo "  --disable-armvfp         disable ARM VFP optimizations"
 145   echo "  --disable-iwmmxt         disable iwmmxt optimizations"
 146   echo "  --disable-mmi            disable MMI optimizations"
 147   echo "  --disable-neon           disable neon optimizations"
 148   echo "  --disable-vis            disable VIS optimizations"
 149   echo "  --disable-network        disable network support [no]"
 150   echo "  --disable-ipv6           disable IPv6 support [no]"
 151   echo "  --disable-mpegaudio-hp   faster (but less accurate)"
 152   echo "                           MPEG audio decoding [no]"
 153   echo "  --disable-fft            disable FFT code"
 154   echo "  --disable-golomb         disable Golomb code"
 155   echo "  --disable-mdct           disable MDCT code"
 156   echo "  --enable-gray            enable full grayscale support (slower color)"
 157   echo "  --disable-ffmpeg         disable ffmpeg build"
 158   echo "  --disable-ffplay         disable ffplay build"
 159   echo "  --disable-ffserver       disable ffserver build"
 160   echo "  --enable-small           optimize for size instead of speed"
 161   echo "  --enable-hardcoded-tables use hardcoded tables instead of runtime generation"
 162   echo "  --enable-memalign-hack   emulate memalign, interferes with memory debuggers"
 163   echo "  --enable-beos-netserver  enable BeOS netserver"
 164   echo "  --disable-encoder=NAME   disable encoder NAME"
 165   echo "  --enable-encoder=NAME    enable encoder NAME"
 166   echo "  --disable-encoders       disable all encoders"
 167   echo "  --disable-decoder=NAME   disable decoder NAME"
 168   echo "  --enable-decoder=NAME    enable decoder NAME"
 169   echo "  --disable-decoders       disable all decoders"
 170   echo "  --disable-muxer=NAME     disable muxer NAME"
 171   echo "  --enable-muxer=NAME      enable muxer NAME"
 172   echo "  --disable-muxers         disable all muxers"
 173   echo "  --disable-demuxer=NAME   disable demuxer NAME"
 174   echo "  --enable-demuxer=NAME    enable demuxer NAME"
 175   echo "  --disable-demuxers       disable all demuxers"
 176   echo "  --enable-parser=NAME     enable parser NAME"
 177   echo "  --disable-parser=NAME    disable parser NAME"
 178   echo "  --disable-parsers        disable all parsers"
 179   echo "  --enable-bsf=NAME        enable bitstream filter NAME"
 180   echo "  --disable-bsf=NAME       disable bitstream filter NAME"
 181   echo "  --disable-bsfs           disable all bitstream filters"
 182   echo "  --enable-protocol=NAME   enable protocol NAME"
 183   echo "  --disable-protocol=NAME  disable protocol NAME"
 184   echo "  --disable-protocols      disable all protocols"
 185   echo "  --disable-indevs         disable input devices"
 186   echo "  --disable-outdevs        disable output devices"
 187   echo "  --disable-devices        disable all devices"
 188   echo "  --enable-filter=NAME     enable filter NAME"
 189   echo "  --disable-filter=NAME    disable filter NAME"
 190   echo "  --disable-filters        disable all filters"
 191   echo "  --list-decoders          show all available decoders"
 192   echo "  --list-encoders          show all available encoders"
 193   echo "  --list-muxers            show all available muxers"
 194   echo "  --list-demuxers          show all available demuxers"
 195   echo "  --list-parsers           show all available parsers"
 196   echo "  --list-protocols         show all available protocols"
 197   echo "  --list-bsfs              show all available bitstream filters"
 198   echo "  --list-indevs            show all available input devices"
 199   echo "  --list-outdevs           show all available output devices"
 200   echo "  --list-filters           show all available filters"
 201   echo
 202   echo "Developer options (useful when working on FFmpeg itself):"
 203   echo "  --disable-debug          disable debugging symbols"
 204   echo "  --enable-debug=LEVEL     set the debug level [$debuglevel]"
 205   echo "  --enable-gprof           enable profiling with gprof [$gprof]"
 206   echo "  --disable-optimizations  disable compiler optimizations"
 207   echo "  --enable-extra-warnings  enable more compiler warnings"
 208   echo "  --disable-stripping      disable stripping of executables and shared libraries"
 209   echo ""
 210   echo "NOTE: Object files are built at the place where configure is launched."
 211   exit 0
 212 }
 213
 214 log(){
 215     echo "$@" >> $logfile
 216 }
 217
 218 log_file(){
 219     log BEGIN $1
 220     pr -n -t $1 >> $logfile
 221     log END $1
 222 }
 223
 224 echolog(){
 225     log "$@"
 226     echo "$@"
 227 }
 228
 229 die(){
 230     echolog "$@"
 231     cat <<EOF
 232 If you think configure made a mistake, make sure you are using the latest
 233 version from SVN.  If the latest version fails, report the problem to the
 234 ffmpeg-user@mplayerhq.hu mailing list or IRC #ffmpeg on irc.freenode.net.
 235 EOF
 236     if disabled logging; then
 237         cat <<EOF
 238 Rerun configure with logging enabled (do not use --disable-logging), and
 239 include the log this produces with your report.
 240 EOF
 241     else
 242 cat <<EOF
 243 Include the log file "$logfile" produced by configure as this will help
 244 solving the problem.
 245 EOF
 246     fi
 247     rm -f $TMPC $TMPE $TMPH $TMPO $TMPS $TMPSH
 248     exit 1
 249 }
 250
 251 # Avoid locale weirdness, besides we really just want to translate ASCII.
 252 toupper(){
 253     echo "$@" | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ
 254 }
 255
 256 tolower(){
 257     echo "$@" | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz
 258 }
 259
 260 set_all(){
 261     value=$1
 262     shift
 263     for var in $*; do
 264         eval $var=$value
 265     done
 266 }
 267
 268 set_weak(){
 269     value=$1
 270     shift
 271     for var; do
 272         eval : \${$var:=$value}
 273     done
 274 }
 275
 276 pushvar(){
 277     for var in $*; do
 278         eval level=\${${var}_level:=0}
 279         eval ${var}_${level}="\$$var"
 280         eval ${var}_level=$(($level+1))
 281     done
 282 }
 283
 284 popvar(){
 285     for var in $*; do
 286         eval level=\${${var}_level:-0}
 287         test $level = 0 && continue
 288         eval level=$(($level-1))
 289         eval $var="\${${var}_${level}}"
 290         eval ${var}_level=$level
 291         eval unset ${var}_${level}
 292     done
 293 }
 294
 295 enable(){
 296     set_all yes $*
 297 }
 298
 299 disable(){
 300     set_all no $*
 301 }
 302
 303 enable_weak(){
 304     set_weak yes $*
 305 }
 306
 307 disable_weak(){
 308     set_weak no $*
 309 }
 310
 311 do_enable_deep(){
 312     for var; do
 313         enabled $var && continue
 314         eval sel="\$${var}_select"
 315         eval sgs="\$${var}_suggest"
 316         pushvar var sgs
 317         enable_deep $sel
 318         popvar sgs
 319         enable_deep_weak $sgs
 320         popvar var
 321     done
 322 }
 323
 324 enable_deep(){
 325     do_enable_deep $*
 326     enable $*
 327 }
 328
 329 enable_deep_weak(){
 330     do_enable_deep $*
 331     enable_weak $*
 332 }
 333
 334 enabled(){
 335     test "${1#!}" = "$1" && op== || op=!=
 336     eval test "x\$${1#!}" $op "xyes"
 337 }
 338
 339 disabled(){
 340     test "${1#!}" = "$1" && op== || op=!=
 341     eval test "x\$${1#!}" $op "xno"
 342 }
 343
 344 enabled_all(){
 345     for opt; do
 346         enabled $opt || return 1
 347     done
 348 }
 349
 350 disabled_all(){
 351     for opt; do
 352         disabled $opt || return 1
 353     done
 354 }
 355
 356 enabled_any(){
 357     for opt; do
 358         enabled $opt && return 0
 359     done
 360 }
 361
 362 disabled_any(){
 363     for opt; do
 364         disabled $opt && return 0
 365     done
 366     return 1
 367 }
 368
 369 set_default(){
 370     for opt; do
 371         eval : \${$opt:=\$${opt}_default}
 372     done
 373 }
 374
 375 is_in(){
 376     value=$1
 377     shift
 378     for var in $*; do
 379         [ $var = $value ] && return 0
 380     done
 381     return 1
 382 }
 383
 384 check_deps(){
 385     for cfg; do
 386         cfg="${cfg#!}"
 387         enabled ${cfg}_checking && die "Circular dependency for $cfg."
 388         disabled ${cfg}_checking && continue
 389         enable ${cfg}_checking
 390
 391         eval dep_all="\$${cfg}_deps"
 392         eval dep_any="\$${cfg}_deps_any"
 393         eval dep_sel="\$${cfg}_select"
 394         eval dep_sgs="\$${cfg}_suggest"
 395
 396         pushvar cfg dep_all dep_any dep_sel dep_sgs
 397         check_deps $dep_all $dep_any $dep_sel $dep_sgs
 398         popvar cfg dep_all dep_any dep_sel dep_sgs
 399
 400         enabled_all  $dep_all || disable $cfg
 401         enabled_any  $dep_any || disable $cfg
 402         disabled_any $dep_sel && disable $cfg
 403
 404         if enabled $cfg; then
 405             eval dep_extralibs="\$${cfg}_extralibs"
 406             test -n "$dep_extralibs" && add_extralibs $dep_extralibs
 407             enable_deep $dep_sel
 408             enable_deep_weak $dep_sgs
 409         fi
 410
 411         disable ${cfg}_checking
 412     done
 413 }
 414
 415 print_config(){
 416     pfx=$1
 417     header=$2
 418     makefile=$3
 419     shift 3
 420     for cfg; do
 421         ucname="`toupper $cfg`"
 422         if enabled $cfg; then
 423             echo "#define ${pfx}${ucname} 1" >> $header
 424             echo "#define ENABLE_${ucname} 1" >> $header
 425             echo "${pfx}${ucname}=yes" >> $makefile
 426         else
 427             echo "#define ENABLE_${ucname} 0" >> $header
 428         fi
 429     done
 430 }
 431
 432 flags_saved(){
 433     (: ${SAVE_CFLAGS?}) 2> /dev/null
 434 }
 435
 436 save_flags(){
 437     flags_saved && return
 438     SAVE_CFLAGS="$CFLAGS"
 439     SAVE_LDFLAGS="$LDFLAGS"
 440     SAVE_extralibs="$extralibs"
 441 }
 442
 443 restore_flags(){
 444     flags_saved || return
 445     CFLAGS="$SAVE_CFLAGS"
 446     LDFLAGS="$SAVE_LDFLAGS"
 447     extralibs="$SAVE_extralibs"
 448     unset SAVE_CFLAGS
 449     unset SAVE_LDFLAGS
 450     unset SAVE_extralibs
 451 }
 452
 453 temp_cflags(){
 454     save_flags
 455     CFLAGS="$CFLAGS $*"
 456 }
 457
 458 temp_ldflags(){
 459     save_flags
 460     LDFLAGS="$LDFLAGS $*"
 461 }
 462
 463 temp_extralibs(){
 464     save_flags
 465     extralibs="$extralibs $*"
 466 }
 467
 468 append(){
 469     var=$1
 470     shift
 471     flags_saved && eval "SAVE_$var=\"\$SAVE_$var $*\""
 472     eval "$var=\"\$$var $*\""
 473 }
 474
 475 add_cflags(){
 476     append CFLAGS "$@"
 477 }
 478
 479 add_ldflags(){
 480     append LDFLAGS "$@"
 481 }
 482
 483 add_extralibs(){
 484     append extralibs "$@"
 485 }
 486
 487 check_cmd(){
 488     log "$@"
 489     "$@" >> $logfile 2>&1
 490 }
 491
 492 check_cc(){
 493     log check_cc "$@"
 494     cat > $TMPC
 495     log_file $TMPC
 496     check_cmd $cc $CFLAGS "$@" -c -o $TMPO $TMPC
 497 }
 498
 499 check_cpp(){
 500     log check_cpp "$@"
 501     cat > $TMPC
 502     log_file $TMPC
 503     check_cmd $cc $CFLAGS "$@" -E -o $TMPO $TMPC
 504 }
 505
 506 check_asm(){
 507     log check_asm "$@"
 508     name="$1"
 509     asm="$2"
 510     shift 2
 511     check_cc "$@" <<EOF && enable $name || disable $name
 512 int foo(void){ __asm__ volatile($asm); }
 513 EOF
 514 }
 515
 516 check_yasm(){
 517     log check_yasm "$@"
 518     echo "$1" > $TMPS
 519     log_file $TMPS
 520     shift 1
 521     check_cmd $yasmexe $YASMFLAGS "$@" -o $TMPO $TMPS
 522 }
 523
 524 check_ld(){
 525     log check_ld "$@"
 526     check_cc || return
 527     flags=''
 528     libs=''
 529     for f; do
 530         test "${f}" = "${f#-l}" && flags="$flags $f" || libs="$libs $f"
 531     done
 532     check_cmd $cc $LDFLAGS $flags -o $TMPE $TMPO $extralibs $libs
 533 }
 534
 535 check_cflags(){
 536     log check_cflags "$@"
 537     check_cc "$@" <<EOF && add_cflags "$@"
 538 int x;
 539 EOF
 540 }
 541
 542 check_ldflags(){
 543     log check_ldflags "$@"
 544     check_ld "$@" <<EOF && add_ldflags "$@"
 545 int main(void){ return 0; }
 546 EOF
 547 }
 548
 549 check_header(){
 550     log check_header "$@"
 551     header=$1
 552     shift
 553     var=`echo $header | sed 's/[^A-Za-z0-9_]/_/g'`
 554     disable $var
 555     check_cpp "$@" <<EOF && enable $var
 556 #include <$header>
 557 int x;
 558 EOF
 559 }
 560
 561 check_func(){
 562     log check_func "$@"
 563     func=$1
 564     shift
 565     disable $func
 566     check_ld "$@" <<EOF && enable $func
 567 extern int $func();
 568 int main(void){ $func(); }
 569 EOF
 570 }
 571
 572 check_func_headers(){
 573     log check_func_headers "$@"
 574     headers=$1
 575     func=$2
 576     shift 2
 577     disable $func
 578     incs=""
 579     for hdr in $headers; do
 580         incs="$incs
 581 #include <$hdr>"
 582     done
 583     check_ld "$@" <<EOF && enable $func
 584 $incs
 585 int main(int argc, char **argv){
 586     (void) $func;
 587     return 0;
 588 }
 589 EOF
 590 }
 591
 592 check_cpp_condition(){
 593     log check_cpp_condition "$@"
 594     header=$1
 595     condition=$2
 596     check_cpp <<EOF
 597 #include <$header>
 598 #if !($condition)
 599 #error "unsatisfied condition: $condition"
 600 #endif
 601 EOF
 602 }
 603
 604 check_lib(){
 605     log check_lib "$@"
 606     header="$1"
 607     func="$2"
 608     shift 2
 609     temp_extralibs "$@"
 610     check_header $header && check_func $func && add_extralibs "$@"
 611     err=$?
 612     restore_flags
 613     return $err
 614 }
 615
 616 check_lib2(){
 617     log check_lib2 "$@"
 618     headers="$1"
 619     func="$2"
 620     shift 2
 621     temp_extralibs "$@"
 622     check_func_headers "$headers" $func && add_extralibs "$@"
 623     err=$?
 624     restore_flags
 625     return $err
 626 }
 627
 628 check_exec(){
 629     check_ld "$@" && { enabled cross_compile || $TMPE >> $logfile 2>&1; }
 630 }
 631
 632 check_exec_crash(){
 633     code=`cat`
 634
 635     # exit() is not async signal safe.  _Exit (C99) and _exit (POSIX)
 636     # are safe but may not be available everywhere.  Thus we use
 637     # raise(SIGTERM) instead.  The check is run in a subshell so we
 638     # can redirect the "Terminated" message from the shell.  SIGBUS
 639     # is not defined by standard C so it is used conditionally.
 640
 641     (check_exec "$@") >> $logfile 2>&1 <<EOF
 642 #include <signal.h>
 643 static void sighandler(int sig){
 644     raise(SIGTERM);
 645 }
 646 int main(void){
 647     signal(SIGILL, sighandler);
 648     signal(SIGFPE, sighandler);
 649     signal(SIGSEGV, sighandler);
 650 #ifdef SIGBUS
 651     signal(SIGBUS, sighandler);
 652 #endif
 653     { $code }
 654 }
 655 EOF
 656 }
 657
 658 check_type(){
 659     log check_type "$@"
 660     headers=$1
 661     type=$2
 662     shift 2
 663     disable $type
 664     incs=""
 665     for hdr in $headers; do
 666         incs="$incs
 667 #include <$hdr>"
 668     done
 669     check_cc "$@" <<EOF && enable $type
 670 $incs
 671 $type v;
 672 EOF
 673 }
 674
 675 require(){
 676     name="$1"
 677     header="$2"
 678     func="$3"
 679     shift 3
 680     check_lib $header $func "$@" || die "ERROR: $name not found"
 681 }
 682
 683 require2(){
 684     name="$1"
 685     headers="$2"
 686     func="$3"
 687     shift 3
 688     check_lib2 "$headers" $func "$@" || die "ERROR: $name not found"
 689 }
 690
 691 check_foo_config(){
 692     cfg=$1
 693     pkg=$2
 694     header=$3
 695     func=$4
 696     shift 4
 697     disable $cfg
 698     check_cmd ${pkg}-config --version
 699     err=$?
 700     if test "$err" = 0; then
 701         temp_cflags `${pkg}-config --cflags`
 702         temp_extralibs `${pkg}-config --libs`
 703         check_lib "$@" $header $func && enable $cfg
 704     fi
 705     return $err
 706 }
 707
 708 apply(){
 709     file=$1
 710     shift
 711     "$@" < "$file" > "$file.tmp" && mv "$file.tmp" "$file" || rm "$file.tmp"
 712 }
 713
 714 # CONFIG_LIST contains configurable options, while HAVE_LIST is for
 715 # system-dependent things.
 716
 717 COMPONENT_LIST="
 718     bsfs
 719     decoders
 720     demuxers
 721     encoders
 722     filters
 723     indevs
 724     muxers
 725     outdevs
 726     parsers
 727     protocols
 728 "
 729
 730 CONFIG_LIST="
 731     $COMPONENT_LIST
 732     avfilter
 733     avfilter_lavf
 734     avisynth
 735     beos_netserver
 736     bzlib
 737     ffmpeg
 738     ffplay
 739     ffserver
 740     fft
 741     golomb
 742     gpl
 743     gprof
 744     gray
 745     hardcoded_tables
 746     ipv6
 747     libamr_nb
 748     libamr_wb
 749     libdc1394
 750     libdirac
 751     libfaac
 752     libfaad
 753     libfaadbin
 754     libgsm
 755     libmp3lame
 756     libnut
 757     libschroedinger
 758     libspeex
 759     libtheora
 760     libvorbis
 761     libx264
 762     libxvid
 763     mdct
 764     memalign_hack
 765     mlib
 766     mpegaudio_hp
 767     network
 768     nonfree
 769     postproc
 770     powerpc_perf
 771     small
 772     swscale
 773     vhook
 774     x11grab
 775     zlib
 776 "
 777
 778 THREADS_LIST='
 779     beosthreads
 780     os2threads
 781     pthreads
 782     w32threads
 783 '
 784
 785 ARCH_LIST='
 786     alpha
 787     armv4l
 788     bfin
 789     ia64
 790     m68k
 791     mips
 792     parisc
 793     powerpc
 794     s390
 795     sh4
 796     sparc
 797     sparc64
 798     x86
 799     x86_32
 800     x86_64
 801 '
 802
 803 ARCH_EXT_LIST='
 804     altivec
 805     armv5te
 806     armv6
 807     armvfp
 808     iwmmxt
 809     mmi
 810     mmx
 811     mmx2
 812     neon
 813     ssse3
 814     vis
 815 '
 816
 817 HAVE_LIST="
 818     $ARCH_EXT_LIST
 819     $THREADS_LIST
 820     altivec_h
 821     arpa_inet_h
 822     bswap
 823     closesocket
 824     cmov
 825     conio_h
 826     dcbzl
 827     dev_bktr_ioctl_bt848_h
 828     dev_bktr_ioctl_meteor_h
 829     dev_ic_bt8xx_h
 830     dev_video_meteor_ioctl_meteor_h
 831     dev_video_bktr_ioctl_bt848_h
 832     dlfcn_h
 833     dlopen
 834     dos_paths
 835     ebp_available
 836     ebx_available
 837     fast_64bit
 838     fast_cmov
 839     fast_unaligned
 840     fork
 841     freetype2
 842     gethrtime
 843     GetProcessTimes
 844     getrusage
 845     imlib2
 846     inet_aton
 847     inline_asm
 848     libdc1394_1
 849     libdc1394_2
 850     llrint
 851     lrint
 852     lrintf
 853     machine_ioctl_bt848_h
 854     machine_ioctl_meteor_h
 855     malloc_h
 856     memalign
 857     mkstemp
 858     pld
 859     ppc64
 860     round
 861     roundf
 862     sdl
 863     sdl_video_size
 864     socklen_t
 865     soundcard_h
 866     poll_h
 867     sys_mman_h
 868     sys_resource_h
 869     sys_select_h
 870     sys_soundcard_h
 871     sys_videoio_h
 872     termios_h
 873     threads
 874     winsock2_h
 875     yasm
 876 "
 877
 878 # options emitted with CONFIG_ prefix but not available on command line
 879 CONFIG_EXTRA="
 880     fft_mmx
 881     oldscaler
 882 "
 883
 884 CMDLINE_SELECT="
 885     $ARCH_EXT_LIST
 886     $CONFIG_LIST
 887     $THREADS_LIST
 888     cross_compile
 889     debug
 890     extra_warnings
 891     logging
 892     optimizations
 893     shared
 894     static
 895     stripping
 896 "
 897
 898 PATHS_LIST='
 899     bindir
 900     incdir
 901     libdir
 902     mandir
 903     prefix
 904     shlibdir
 905 '
 906
 907 CMDLINE_SET="
 908     $PATHS_LIST
 909     arch
 910     build_suffix
 911     cc
 912     cpu
 913     cross_prefix
 914     extra_version
 915     host_cc
 916     host_cflags
 917     host_ldflags
 918     host_libs
 919     logfile
 920     source_path
 921     target_exec
 922     target_os
 923     target_path
 924 "
 925
 926 # code dependency declarations
 927
 928 # architecture extensions
 929 altivec_deps="powerpc"
 930 armv5te_deps="armv4l"
 931 armv6_deps="armv4l"
 932 armvfp_deps="armv4l"
 933 iwmmxt_deps="armv4l"
 934 mmi_deps="mips"
 935 mmx_deps="x86"
 936 mmx2_deps="x86 mmx"
 937 neon_deps="armv4l"
 938 ssse3_deps="x86"
 939 vis_deps="sparc"
 940
 941 # common features
 942 fft_suggest="fft_mmx"
 943 fft_mmx_deps="mmx yasm"
 944 oldscaler_deps="!swscale"
 945
 946 # decoders / encoders
 947 aac_decoder_select="fft mdct"
 948 ac3_decoder_deps="gpl"
 949 ac3_decoder_select="fft mdct"
 950 atrac3_decoder_select="fft mdct"
 951 cavs_decoder_select="golomb"
 952 cook_decoder_select="fft mdct"
 953 cscd_decoder_suggest="zlib"
 954 dca_decoder_select="fft mdct"
 955 dxa_decoder_select="zlib"
 956 eac3_decoder_deps="gpl"
 957 eac3_decoder_select="fft mdct"
 958 ffv1_decoder_select="golomb"
 959 flac_decoder_select="golomb"
 960 flac_encoder_select="golomb"
 961 flashsv_decoder_select="zlib"
 962 flashsv_encoder_select="zlib"
 963 h264_decoder_select="golomb"
 964 imc_decoder_select="fft mdct"
 965 jpegls_decoder_select="golomb"
 966 jpegls_encoder_select="golomb"
 967 loco_decoder_select="golomb"
 968 mpeg_xvmc_decoder_deps="xvmc"
 969 nellymoser_decoder_select="fft mdct"
 970 nellymoser_encoder_select="fft mdct"
 971 png_decoder_select="zlib"
 972 png_encoder_select="zlib"
 973 qdm2_decoder_select="fft mdct"
 974 shorten_decoder_select="golomb"
 975 sonic_decoder_select="golomb"
 976 sonic_encoder_select="golomb"
 977 sonic_ls_encoder_select="golomb"
 978 svq3_decoder_select="golomb"
 979 svq3_decoder_suggest="zlib"
 980 tiff_decoder_suggest="zlib"
 981 tiff_encoder_suggest="zlib"
 982 tscc_decoder_select="zlib"
 983 vorbis_decoder_select="fft mdct"
 984 vorbis_encoder_select="fft mdct"
 985 wmav1_decoder_select="fft mdct"
 986 wmav1_encoder_select="fft mdct"
 987 wmav2_decoder_select="fft mdct"
 988 wmav2_encoder_select="fft mdct"
 989 zlib_decoder_select="zlib"
 990 zlib_encoder_select="zlib"
 991 zmbv_decoder_select="zlib"
 992 zmbv_encoder_select="zlib"
 993
 994 # external libraries
 995 libamr_nb_decoder_deps="libamr_nb"
 996 libamr_nb_encoder_deps="libamr_nb"
 997 libamr_wb_decoder_deps="libamr_wb"
 998 libamr_wb_encoder_deps="libamr_wb"
 999 libdirac_decoder_deps="libdirac !libschroedinger"
1000 libdirac_encoder_deps="libdirac"
1001 libfaac_encoder_deps="libfaac"
1002 libfaad_decoder_deps="libfaad"
1003 libfaadbin_decoder_extralibs='$ldl'
1004 libgsm_decoder_deps="libgsm"
1005 libgsm_encoder_deps="libgsm"
1006 libgsm_ms_decoder_deps="libgsm"
1007 libgsm_ms_encoder_deps="libgsm"
1008 libmp3lame_encoder_deps="libmp3lame"
1009 libschroedinger_decoder_deps="libschroedinger"
1010 libschroedinger_encoder_deps="libschroedinger"
1011 libspeex_decoder_deps="libspeex"
1012 libtheora_encoder_deps="libtheora"
1013 libvorbis_encoder_deps="libvorbis"
1014 libx264_encoder_deps="libx264"
1015 libxvid_encoder_deps="libxvid"
1016 mpeg4aac_decoder_deps="libfaad"
1017
1018 # demuxers / muxers
1019 ac3_demuxer_deps="ac3_parser"
1020 audio_beos_demuxer_deps="audio_beos"
1021 audio_beos_demuxer_extralibs="-lmedia -lbe"
1022 audio_beos_muxer_deps="audio_beos"
1023 audio_beos_muxer_extralibs="-lmedia -lbe"
1024 avisynth_demuxer_deps="avisynth"
1025 bktr_demuxer_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
1026 dirac_demuxer_deps="dirac_parser"
1027 dv1394_demuxer_deps="dv1394 dv_demuxer"
1028 libdc1394_demuxer_deps="libdc1394"
1029 libnut_demuxer_deps="libnut"
1030 libnut_muxer_deps="libnut"
1031 matroska_demuxer_suggest="zlib bzlib"
1032 mov_demuxer_suggest="zlib"
1033 mp3_demuxer_deps="mpegaudio_parser"
1034 oss_demuxer_deps_any="soundcard_h sys_soundcard_h"
1035 oss_muxer_deps_any="soundcard_h sys_soundcard_h"
1036 redir_demuxer_deps="network"
1037 rtp_muxer_deps="network rtp_protocol"
1038 rtsp_demuxer_deps="sdp_demuxer"
1039 sdp_demuxer_deps="rtp_protocol mpegts_demuxer"
1040 v4l_demuxer_deps="linux_videodev_h"
1041 v4l2_demuxer_deps_any="linux_videodev2_h sys_videoio_h"
1042 vfwcap_demuxer_deps="capCreateCaptureWindow"
1043 vfwcap_demuxer_extralibs="-lvfw32"
1044 x11_grab_device_demuxer_deps="x11grab XShmCreateImage"
1045 x11_grab_device_demuxer_extralibs="-lX11 -lXext"
1046
1047 # protocols
1048 http_protocol_deps="network"
1049 rtp_protocol_deps="udp_protocol"
1050 tcp_protocol_deps="network"
1051 udp_protocol_deps="network"
1052
1053 # filters
1054 movie_filter_deps="avfilter_lavf"
1055
1056 # programs
1057 ffplay_deps="sdl"
1058 ffserver_deps="ffm_muxer rtp_protocol rtsp_demuxer"
1059 ffserver_extralibs='$ldl'
1060 vhook_extralibs='$ldl'
1061
1062
1063 # default parameters
1064
1065 logfile="config.err"
1066
1067 # installation paths
1068 prefix_default="/usr/local"
1069 bindir_default='${prefix}/bin'
1070 incdir_default='${prefix}/include'
1071 libdir_default='${prefix}/lib'
1072 mandir_default='${prefix}/share/man'
1073 shlibdir_default="$libdir_default"
1074
1075 # toolchain
1076 cc_default="gcc"
1077 host_cc_default="gcc"
1078 yasmexe="yasm"
1079 ar="ar"
1080 nm="nm"
1081 ranlib="ranlib"
1082 strip="strip"
1083 asmalign_pot="unknown"
1084 ln_s="ln -sf"
1085 objformat="elf"
1086
1087 # machine
1088 arch=`uname -m`
1089 cpu="generic"
1090
1091 # OS
1092 target_os=$(tolower $(uname -s))
1093
1094 # configurable options
1095 enable debug
1096 enable ffmpeg
1097 enable ffplay
1098 enable ffserver
1099 enable ipv6
1100 enable mpegaudio_hp
1101 enable network
1102 enable oldscaler
1103 enable optimizations
1104 enable protocols
1105 enable static
1106 enable stripping
1107 vhook="default"
1108
1109 # build settings
1110 add_cflags -D_ISOC99_SOURCE -D_POSIX_C_SOURCE=200112
1111 SHFLAGS='-shared -Wl,-soname,$$(@F)'
1112 VHOOKSHFLAGS='$(SHFLAGS)'
1113 FFSERVERLDFLAGS=-Wl,-E
1114 LIBPREF="lib"
1115 LIBSUF=".a"
1116 FULLNAME='$(NAME)$(BUILDSUF)'
1117 LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
1118 SLIBPREF="lib"
1119 SLIBSUF=".so"
1120 SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
1121 SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
1122 SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
1123 LIB_INSTALL_EXTRA_CMD='$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
1124
1125 host_cflags='-O3 -g -Wall'
1126 host_libs='-lm'
1127
1128 target_path='.'
1129
1130 # gcc stupidly only outputs the basename of targets with -MM, but we need the
1131 # full relative path for objects in subdirectories for non-recursive Make.
1132 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,"'
1133
1134 # find source path
1135 source_path="`dirname \"$0\"`"
1136 enable source_path_used
1137 if test -z "$source_path" -o "$source_path" = "." ; then
1138     source_path="`pwd`"
1139     disable source_path_used
1140 else
1141     source_path="`cd \"$source_path\"; pwd`"
1142     echo "$source_path" | grep -q '[[:blank:]]' &&
1143         die "Out of tree builds are impossible with whitespace in source path."
1144 fi
1145
1146 FFMPEG_CONFIGURATION="$@"
1147
1148 find_things(){
1149     thing=$1
1150     pattern=$2
1151     file=$source_path/$3
1152     sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
1153 }
1154
1155 ENCODER_LIST=$(find_things  encoder  ENC      libavcodec/allcodecs.c)
1156 DECODER_LIST=$(find_things  decoder  DEC      libavcodec/allcodecs.c)
1157 PARSER_LIST=$(find_things   parser   PARSER   libavcodec/allcodecs.c)
1158 BSF_LIST=$(find_things      bsf      BSF      libavcodec/allcodecs.c)
1159 MUXER_LIST=$(find_things    muxer    _MUX     libavformat/allformats.c)
1160 DEMUXER_LIST=$(find_things  demuxer  DEMUX    libavformat/allformats.c)
1161 OUTDEV_LIST=$(find_things   muxer    _MUX     libavdevice/alldevices.c)
1162 INDEV_LIST=$(find_things    demuxer  DEMUX    libavdevice/alldevices.c)
1163 PROTOCOL_LIST=$(find_things protocol PROTOCOL libavformat/allformats.c)
1164 FILTER_LIST=$(find_things   filter   FILTER   libavfilter/allfilters.c)
1165
1166 enable $ARCH_EXT_LIST \
1167        $DECODER_LIST \
1168        $ENCODER_LIST \
1169        $PARSER_LIST \
1170        $BSF_LIST \
1171        $DEMUXER_LIST \
1172        $MUXER_LIST \
1173        $FILTER_LIST \
1174        $PROTOCOL_LIST \
1175        $INDEV_LIST \
1176        $OUTDEV_LIST \
1177
1178 die_unknown(){
1179     echo "Unknown option \"$1\"."
1180     echo "See $0 --help for available options."
1181     exit 1
1182 }
1183
1184 show_list() {
1185     suffix=_$1
1186     shift
1187     echo $* | sed s/$suffix//g | tr ' ' '\n' | sort
1188     exit 0
1189 }
1190
1191 for opt do
1192     optval="${opt#*=}"
1193     case "$opt" in
1194     --extra-cflags=*) add_cflags "$optval"
1195     ;;
1196     --extra-ldflags=*) add_ldflags "$optval"
1197     ;;
1198     --extra-libs=*) add_extralibs "$optval"
1199     ;;
1200     --disable-devices) disable $INDEV_LIST $OUTDEV_LIST
1201     ;;
1202     --enable-debug=*) debuglevel="$optval"
1203     ;;
1204     --enable-*=*|--disable-*=*)
1205     eval `echo "$opt" | sed 's/=/-/;s/--/action=/;s/-/ thing=/;s/-/ name=/'`
1206     case "$thing" in
1207         encoder|decoder|muxer|demuxer|parser|bsf|protocol|filter) $action ${optval}_${thing} ;;
1208         *) die_unknown "$opt" ;;
1209     esac
1210     ;;
1211     --enable-?*|--disable-?*)
1212     eval `echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g'`
1213     if is_in $option $COMPONENT_LIST; then
1214         eval $action \$$(toupper ${option%s})_LIST
1215     elif is_in $option $CMDLINE_SELECT; then
1216         $action $option
1217     else
1218         die_unknown $opt
1219     fi
1220     ;;
1221     --list-*)
1222         NAME="${opt#--list-}"
1223         is_in $NAME $COMPONENT_LIST || die_unknown $opt
1224         NAME=${NAME%s}
1225         eval show_list $NAME \$$(toupper $NAME)_LIST
1226     ;;
1227     --help|-h) show_help
1228     ;;
1229     *)
1230     optname="${opt%%=*}"
1231     optname="${optname#--}"
1232     optname=$(echo "$optname" | sed 's/-/_/g')
1233     is_in $optname $CMDLINE_SET || die_unknown $opt
1234     eval $optname='$optval'
1235     ;;
1236     esac
1237 done
1238
1239 disabled logging && logfile=/dev/null
1240
1241 echo "# $0 $@" > $logfile
1242 set >> $logfile
1243
1244 test -n "$cross_prefix" && enable cross_compile
1245
1246 cc_default="${cross_prefix}${cc_default}"
1247 yasmexe="${cross_prefix}${yasmexe}"
1248 ar="${cross_prefix}${ar}"
1249 nm="${cross_prefix}${nm}"
1250 ranlib="${cross_prefix}${ranlib}"
1251 strip="${cross_prefix}${strip}"
1252
1253 set_default cc
1254 enabled cross_compile || host_cc_default=$cc
1255 set_default host_cc
1256
1257 # set temporary file name
1258 if test ! -z "$TMPDIR" ; then
1259     TMPDIR1="${TMPDIR}"
1260 elif test ! -z "$TEMPDIR" ; then
1261     TMPDIR1="${TEMPDIR}"
1262 else
1263     TMPDIR1="/tmp"
1264 fi
1265
1266 TMPC="${TMPDIR1}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}.c"
1267 TMPE="${TMPDIR1}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}${EXESUF}"
1268 TMPH="${TMPDIR1}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}.h"
1269 TMPO="${TMPDIR1}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}.o"
1270 TMPS="${TMPDIR1}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}.S"
1271 TMPSH="${TMPDIR1}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}.sh"
1272
1273 check_cflags -std=c99
1274
1275 case "$arch" in
1276     i386|i486|i586|i686|i86pc|BePC)
1277         arch="x86_32"
1278         enable fast_unaligned
1279     ;;
1280     x86_64|amd64)
1281         arch="x86_32"
1282         enable cmov
1283         enable fast_cmov
1284         enable fast_unaligned
1285         check_cc <<EOF && enable fast_64bit && arch="x86_64"
1286         int test[sizeof(char*) - 7];
1287 EOF
1288     ;;
1289     # armv4l is a subset of armv[567]*l
1290     arm|armv[4567]*l)
1291         arch="armv4l"
1292     ;;
1293     alpha)
1294         arch="alpha"
1295         enable fast_64bit
1296     ;;
1297     "Power Macintosh"|ppc|powerpc)
1298         arch="powerpc"
1299         enable fast_unaligned
1300     ;;
1301     ppc64)
1302         arch="powerpc"
1303         enable fast_64bit
1304         enable fast_unaligned
1305     ;;
1306     mips|mipsel|IP*)
1307         arch="mips"
1308     ;;
1309     sun4u|sparc64)
1310         arch="sparc64"
1311         enable fast_64bit
1312     ;;
1313     sparc)
1314         arch="sparc"
1315     ;;
1316     sh4)
1317         arch="sh4"
1318     ;;
1319     parisc)
1320         arch="parisc"
1321     ;;
1322     parisc64)
1323         arch="parisc"
1324         enable fast_64bit
1325     ;;
1326     s390|s390x)
1327         arch="s390"
1328     ;;
1329     m68k)
1330         arch="m68k"
1331     ;;
1332     ia64)
1333         arch="ia64"
1334         enable fast_64bit
1335     ;;
1336     bfin)
1337         arch="bfin"
1338     ;;
1339     *)
1340         arch="unknown"
1341     ;;
1342 esac
1343
1344 enable $arch
1345 enabled_any x86_32 x86_64 && enable x86
1346 enabled     sparc64       && enable sparc
1347
1348 # OS specific
1349 case $target_os in
1350     beos|haiku|zeta)
1351         prefix_default="$HOME/config"
1352         # helps building libavcodec
1353         add_cflags "-DPIC -fomit-frame-pointer"
1354         # 3 gcc releases known for BeOS, each with ugly bugs
1355         gcc_version="`$cc -v 2>&1 | grep version | cut -d ' ' -f3-`"
1356         case "$gcc_version" in
1357           2.9-beos-991026*|2.9-beos-000224*) echo "R5/GG gcc"
1358             disable mmx
1359             ;;
1360           *20010315*) echo "BeBits gcc"
1361             add_cflags "-fno-expensive-optimizations"
1362             ;;
1363         esac
1364         SHFLAGS=-nostart
1365         # enable BeOS things
1366         enable audio_beos
1367         # no need for libm, but the inet stuff
1368         # Check for BONE
1369         # XXX: actually should check for NOT net_server
1370         if echo $BEINCLUDES | grep -q 'headers/be/bone'; then
1371             network_extralibs="-lbind -lsocket"
1372         else
1373             enable beos_netserver
1374             network_extralibs="-lnet"
1375         fi ;;
1376     sunos)
1377         FFSERVERLDFLAGS=""
1378         SHFLAGS='-shared -Wl,-h,$$(@F)'
1379         network_extralibs="-lsocket -lnsl"
1380         ;;
1381     netbsd)
1382         oss_demuxer_extralibs="-lossaudio"
1383         oss_muxer_extralibs="-lossaudio"
1384         ;;
1385     openbsd)
1386         disable need_memalign
1387         LIBOBJFLAGS='$(PIC)'
1388         SHFLAGS='-shared'
1389         SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF).$(LIBVERSION)'
1390         SLIBNAME_WITH_VERSION='$(SLIBNAME)'
1391         SLIBNAME_WITH_MAJOR='$(SLIBNAME)'
1392         oss_demuxer_extralibs="-lossaudio"
1393         oss_muxer_extralibs="-lossaudio"
1394         ;;
1395     freebsd)
1396         disable need_memalign
1397         ;;
1398     bsd/os)
1399         osextralibs="-lpoll -lgnugetopt"
1400         strip="strip -d"
1401         ;;
1402     darwin)
1403         disable need_memalign
1404         SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(SHLIBDIR)/$(SLIBNAME),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR) -Wl,-read_only_relocs,suppress'
1405         VHOOKSHFLAGS='-dynamiclib -Wl,-single_module -flat_namespace -undefined suppress -Wl,-install_name,$(SHLIBDIR)/vhook/$$(@F)'
1406         strip="strip -x"
1407         FFLDFLAGS="-Wl,-dynamic,-search_paths_first"
1408         SLIBSUF=".dylib"
1409         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'
1410         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'
1411         FFSERVERLDFLAGS=-Wl,-bind_at_load
1412         objformat="macho"
1413         enabled x86_64 && objformat="macho64"
1414         ;;
1415     mingw32*)
1416         target_os=mingw32
1417         LIBTARGET=i386
1418         if test $arch = x86_64; then
1419             disable need_memalign
1420             LIBTARGET=x64
1421         fi
1422         shlibdir_default="$bindir_default"
1423         VHOOKSHFLAGS='-shared -L$(BUILD_ROOT)/libavformat -L$(BUILD_ROOT)/libavcodec -L$(BUILD_ROOT)/libavutil'
1424         VHOOKLIBS='-lavformat$(BUILDSUF) -lavcodec$(BUILDSUF) -lavutil$(BUILDSUF) $(EXTRALIBS)'
1425         if enabled swscale; then
1426             VHOOKSHFLAGS="$VHOOKSHFLAGS -L\$(BUILD_ROOT)/libswscale"
1427             VHOOKLIBS="$VHOOKLIBS -lswscale\$(BUILDSUF)"
1428         fi
1429         disable ffserver
1430         SLIBPREF=""
1431         SLIBSUF=".dll"
1432         EXESUF=".exe"
1433         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
1434         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
1435         SLIB_EXTRA_CMD='-lib /machine:$(LIBTARGET) /def:$$(@:$(SLIBSUF)=.def) /out:$(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib)'
1436         SLIB_INSTALL_EXTRA_CMD='-install -m 644 $(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib) "$(SHLIBDIR)/$(SLIBNAME:$(SLIBSUF)=.lib)"; \
1437             install -m 644 $(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib) "$(SHLIBDIR)/$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib)"'
1438         SLIB_UNINSTALL_EXTRA_CMD='rm -f "$(SHLIBDIR)/$(SLIBNAME:$(SLIBSUF)=.lib)"'
1439         SHFLAGS='-shared -Wl,--output-def,$$(@:$(SLIBSUF)=.def) -Wl,--enable-runtime-pseudo-reloc -Wl,--enable-auto-image-base'
1440         objformat="win32"
1441         enable dos_paths
1442         check_cpp_condition _mingw.h "(__MINGW32_MAJOR_VERSION > 3) || (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" ||
1443             die "ERROR: MinGW runtime version must be >= 3.15."
1444         enabled_any avisynth vfwcap_demuxer &&
1445             { check_cpp_condition w32api.h "(__W32API_MAJOR_VERSION > 3) || (__W32API_MAJOR_VERSION == 3 && __W32API_MINOR_VERSION >= 12)" ||
1446               die "ERROR: avisynth and vfwcap_demuxer require w32api version 3.12 or later."; }
1447         ;;
1448     cygwin*)
1449         target_os=cygwin
1450         shlibdir_default="$bindir_default"
1451         VHOOKSHFLAGS='-shared -L$(BUILD_ROOT)/libavformat -L$(BUILD_ROOT)/libavcodec -L$(BUILD_ROOT)/libavutil'
1452         VHOOKLIBS='-lavformat$(BUILDSUF) -lavcodec$(BUILDSUF) -lavutil$(BUILDSUF) $(EXTRALIBS)'
1453         if enabled swscale; then
1454             VHOOKSHFLAGS="$VHOOKSHFLAGS -L\$(BUILD_ROOT)/libswscale"
1455             VHOOKLIBS="$VHOOKLIBS -lswscale\$(BUILDSUF)"
1456         fi
1457         EXESUF=".exe"
1458         SLIBPREF="cyg"
1459         SLIBSUF=".dll"
1460         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
1461         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
1462         SHFLAGS='-shared -Wl,--enable-auto-image-base'
1463         objformat="win32"
1464         enable dos_paths
1465         ;;
1466     *-dos|freedos|opendos)
1467         disable ffplay ffserver vhook
1468         disable $INDEV_LIST $OUTDEV_LIST
1469         network_extralibs="-lsocket"
1470         EXESUF=".exe"
1471         objformat="win32"
1472         enable dos_paths
1473         ;;
1474     linux)
1475         enable dv1394
1476         ;;
1477     irix*)
1478         target_os=irix
1479         ranlib="echo ignoring ranlib"
1480         ;;
1481     os/2*)
1482         strip="lxlite"
1483         ln_s="cp -f"
1484         EXESUF=".exe"
1485         FFLDFLAGS="-Zomf -Zbin-files -Zargs-wild -Zmap"
1486         SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'
1487         FFSERVERLDFLAGS=""
1488         LIBSUF="_s.a"
1489         SLIBPREF=""
1490         SLIBSUF=".dll"
1491         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
1492         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(NAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'
1493         SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(NAME).def; \
1494           echo PROTMODE >> $(SUBDIR)$(NAME).def; \
1495           echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(NAME).def; \
1496           echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(NAME).def; \
1497           echo EXPORTS >> $(SUBDIR)$(NAME).def; \
1498           emxexp -o $(OBJS) >> $(SUBDIR)$(NAME).def'
1499         SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(NAME).def; \
1500           emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib $(SUBDIR)$(NAME).def;'
1501         SLIB_INSTALL_EXTRA_CMD='install -m 644 $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib "$(LIBDIR)"'
1502         SLIB_UNINSTALL_EXTRA_CMD='rm -f "$(LIBDIR)"/$(LIBPREF)$(NAME)_dll.a "$(LIBDIR)"/$(LIBPREF)$(NAME)_dll.lib'
1503         disable vhook
1504         enable dos_paths
1505         ;;
1506     interix)
1507         disable vhook
1508         ;;
1509
1510     *)
1511         target_os="${target_os}-UNKNOWN"
1512         ;;
1513 esac
1514
1515 set_default $PATHS_LIST
1516
1517 add_extralibs $osextralibs
1518
1519 # Combine FFLDFLAGS and the LDFLAGS environment variable.
1520 LDFLAGS="$FFLDFLAGS $LDFLAGS"
1521
1522 # we need to build at least one lib type
1523 if ! enabled_any static shared; then
1524     cat <<EOF
1525 At least one library type must be built.
1526 Specify --enable-static to build the static libraries or --enable-shared to
1527 build the shared libraries as well. To only build the shared libraries specify
1528 --disable-static in addition to --enable-shared.
1529 EOF
1530     exit 1;
1531 fi
1532
1533 disabled static && LIBNAME=""
1534
1535 if enabled_any libfaad libfaadbin ; then
1536     if check_header faad.h; then
1537         check_cc <<EOF
1538 #include <faad.h>
1539 #ifndef FAAD2_VERSION
1540 ok faad1
1541 #endif
1542 int main(void) { return 0; }
1543 EOF
1544         test $? = 0 && enable libfaad2
1545     else
1546         die "FAAD test failed."
1547     fi
1548 fi
1549
1550
1551 if ! enabled gpl; then
1552     die_gpl_disabled(){
1553         name=$1
1554         shift
1555         enabled_any $@ && die "$name is under GPL and --enable-gpl is not specified."
1556     }
1557     die_gpl_disabled "The Postprocessing code" postproc
1558     die_gpl_disabled "libx264"                 libx264
1559     die_gpl_disabled "libxvidcore"             libxvid
1560     die_gpl_disabled "FAAD2"                   libfaad2
1561     die_gpl_disabled "The X11 grabber"         x11grab
1562     die_gpl_disabled "The software scaler"     swscale
1563 fi
1564
1565 if ! enabled nonfree && enabled_any libamr_nb libamr_wb; then
1566     die "libamr is nonfree and --enable-nonfree is not specified."
1567 fi
1568
1569 check_deps $ARCH_EXT_LIST
1570
1571 test -z "$need_memalign" && need_memalign="$mmx"
1572
1573 #Darwin CC versions
1574 if test $target_os = darwin; then
1575     if $cc -v 2>&1 | grep -q xlc; then
1576         add_cflags "-qpdf2 -qlanglvl=extc99 -qmaxmem=-1 -qarch=auto -qtune=auto"
1577     else
1578         add_cflags "-pipe"
1579         check_cflags "-force_cpusubtype_ALL"
1580         check_cflags "-Wno-sign-compare"
1581         enabled shared || check_cflags -mdynamic-no-pic
1582     fi
1583 fi
1584
1585 disabled optimizations || check_cflags -fomit-frame-pointer
1586
1587 # Add processor-specific flags
1588 if test $cpu != "generic"; then
1589     warn_altivec(){
1590         $1 altivec && echo "WARNING: Tuning for $2 but AltiVec $1.";
1591     }
1592     case $cpu in
1593         601|ppc601|PowerPC601)
1594             add_cflags "-mcpu=601"
1595             warn_altivec enabled PPC601
1596         ;;
1597         603*|ppc603*|PowerPC603*)
1598             add_cflags "-mcpu=603"
1599             warn_altivec enabled PPC603
1600         ;;
1601         604*|ppc604*|PowerPC604*)
1602             add_cflags "-mcpu=604"
1603             warn_altivec enabled PPC604
1604         ;;
1605         G3|g3|75*|ppc75*|PowerPC75*)
1606             add_cflags "-mcpu=750 -mpowerpc-gfxopt"
1607             warn_altivec enabled PPC75x
1608         ;;
1609         G4|g4|745*|ppc745*|PowerPC745*)
1610             add_cflags "-mcpu=7450 -mpowerpc-gfxopt"
1611             warn_altivec disabled PPC745x
1612         ;;
1613         74*|ppc74*|PowerPC74*)
1614             add_cflags "-mcpu=7400 -mpowerpc-gfxopt"
1615             warn_altivec disabled PPC74xx
1616         ;;
1617         G5|g5|970|ppc970|PowerPC970|power4*|Power4*)
1618             add_cflags "-mcpu=970 -mpowerpc-gfxopt -mpowerpc64"
1619             warn_altivec disabled PPC970
1620             enable ppc64
1621         ;;
1622         Cell|CELL|cell)
1623             add_cflags "-mcpu=cell"
1624             warn_altivec disabled Cell
1625             enable ppc64
1626         ;;
1627         # targets that do NOT support conditional mov (cmov)
1628         i[345]86|pentium|pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
1629             add_cflags "-march=$cpu"
1630             disable cmov
1631         ;;
1632         # targets that do support conditional mov (cmov)
1633         i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64|k8|opteron|athlon-fx|core2)
1634             add_cflags "-march=$cpu"
1635             enable cmov
1636             enable fast_cmov
1637         ;;
1638         # targets that do support conditional mov but on which it's slow
1639         pentium4|pentium4m|prescott|nocona)
1640             add_cflags "-march=$cpu"
1641             enable cmov
1642             disable fast_cmov
1643         ;;
1644         sparc64)
1645             add_cflags "-mcpu=v9"
1646         ;;
1647         arm11*|cortex*)
1648             add_cflags "-mcpu=$cpu"
1649             enable fast_unaligned
1650         ;;
1651         armv*)
1652             add_cflags "-march=$cpu"
1653         ;;
1654         arm*)
1655             add_cflags "-mcpu=$cpu"
1656         ;;
1657         *)
1658             echo "WARNING: Unknown CPU \"$cpu\", ignored."
1659         ;;
1660     esac
1661 fi
1662
1663 # make sure we can execute files in $TMPDIR
1664 cat > $TMPSH 2>> $logfile <<EOF
1665 #! /bin/sh
1666 EOF
1667 chmod +x $TMPSH >> $logfile 2>&1
1668 if ! $TMPSH >> $logfile 2>&1; then
1669     cat <<EOF
1670 Unable to create and execute files in $TMPDIR1.  Set the TMPDIR environment
1671 variable to another directory and make sure that $TMPDIR1 is not mounted
1672 noexec.
1673 EOF
1674     die "Sanity test failed."
1675 fi
1676 rm $TMPSH
1677
1678 # compiler sanity check
1679 check_exec <<EOF
1680 int main(void){ return 0; }
1681 EOF
1682 if test "$?" != 0; then
1683     echo "$cc is unable to create an executable file."
1684     if test -z "$cross_prefix" && ! enabled cross_compile ; then
1685         echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
1686         echo "Only do this if you know what cross compiling means."
1687     fi
1688     die "C compiler test failed."
1689 fi
1690
1691 check_cc <<EOF || die "Symbol mangling check failed."
1692 int ff_extern;
1693 EOF
1694 sym=$($nm -P -g $TMPO | grep ff_extern)
1695 extern_prefix=${sym%%ff_extern*}
1696
1697 check_asm inline_asm '""'
1698
1699 if enabled x86; then
1700     # check whether EBP is available on x86
1701     # As 'i' is stored on the stack, this program will crash
1702     # if the base pointer is used to access it because the
1703     # base pointer is cleared in the inline assembly code.
1704     check_exec_crash <<EOF && enable ebp_available
1705     volatile int i=0;
1706     __asm__ volatile (
1707         "xorl %%ebp, %%ebp"
1708     ::: "%ebp");
1709     return i;
1710 EOF
1711
1712     # check wether EBX is available on x86
1713     check_asm ebx_available '"":::"%ebx"'
1714
1715     # check whether binutils is new enough to compile SSSE3/MMX2
1716     enabled ssse3 && check_asm ssse3 '"pabsw %xmm0, %xmm0"'
1717     enabled mmx2  && check_asm mmx2  '"movss %xmm0, %xmm0"'
1718
1719     check_asm bswap '"bswap %%eax" ::: "%eax"'
1720
1721     YASMFLAGS="-f $objformat -DARCH_$(toupper $arch)"
1722     enabled     x86_64        && append YASMFLAGS "-m amd64"
1723     enabled_all x86_64 shared && append YASMFLAGS "-DPIC"
1724     case "$objformat" in
1725         elf) enabled debug && append YASMFLAGS "-g dwarf2" ;;
1726         macho64)              append YASMFLAGS "-DPIC -DPREFIX" ;;
1727         *)                    append YASMFLAGS "-DPREFIX"  ;;
1728     esac
1729     check_yasm "pabsw xmm0, xmm0" && enable yasm
1730 fi
1731
1732 # check for assembler specific support
1733
1734 if test $arch = "powerpc"; then
1735     check_asm dcbzl '"dcbzl 0, 1"'
1736 fi
1737
1738 # check for SIMD availability
1739
1740 # AltiVec flags: The FSF version of GCC differs from the Apple version
1741 if enabled altivec; then
1742     check_cflags -maltivec -mabi=altivec &&
1743         { check_header altivec.h && inc_altivec_h="#include <altivec.h>" ; } ||
1744         check_cflags -faltivec
1745
1746     # check if our compiler supports Motorola AltiVec C API
1747     check_cc <<EOF || disable altivec
1748 $inc_altivec_h
1749 int main(void) {
1750     vector signed int v1, v2, v3;
1751     v1 = vec_add(v2,v3);
1752     return 0;
1753 }
1754 EOF
1755
1756     # check if our compiler supports braces for vector declarations
1757     check_cc <<EOF || die "You need a compiler that supports {} in AltiVec vector declarations."
1758 $inc_altivec_h
1759 int main (void) { (vector int) {1}; return 0; }
1760 EOF
1761 fi
1762
1763 # We have to check if pld is a nop and disable it.
1764 enabled armv4l  && check_asm pld     '"pld [r0]"'
1765 enabled armv5te && check_asm armv5te '"qadd r0, r0, r0"'
1766 enabled armv6   && check_asm armv6   '"sadd16 r0, r0, r0"'
1767 enabled armvfp  && check_asm armvfp  '"fadds s0, s0, s0"'
1768 enabled iwmmxt  && check_asm iwmmxt  '"wunpckelub wr6, wr4"'
1769 enabled mmi     && check_asm mmi     '"lq $2, 0($2)"'
1770 enabled neon    && check_asm neon    '"vadd.i16 q0, q0, q0"'
1771 enabled vis     && check_asm vis     '"pdist %f0, %f0, %f0"' -mcpu=ultrasparc
1772
1773 enabled vis && add_cflags "-mcpu=ultrasparc -mtune=ultrasparc"
1774
1775 # ---
1776 # big/little-endian test
1777 check_cc <<EOF || die "endian test failed"
1778 unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';
1779 EOF
1780 od -A n -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian
1781
1782 # ---
1783 # check availability of some header files
1784
1785 if check_func dlopen; then
1786     ldl=
1787 elif check_func dlopen -ldl; then
1788     ldl=-ldl
1789 fi
1790
1791 check_func  fork
1792 check_func  gethrtime
1793 check_func  getrusage
1794 check_func  inet_aton $network_extralibs
1795 check_func  memalign
1796 check_func  mkstemp
1797 check_func_headers windows.h GetProcessTimes
1798
1799 check_header conio.h
1800 check_header dlfcn.h
1801 check_header malloc.h
1802 check_header poll.h
1803 check_header sys/mman.h
1804 check_header sys/resource.h
1805 check_header sys/select.h
1806 check_header termios.h
1807
1808 if ! enabled_any memalign memalign_hack && enabled need_memalign ; then
1809     die "Error, no memalign() but SSE enabled, disable it or use --enable-memalign-hack."
1810 fi
1811
1812 disabled  zlib || check_lib  zlib.h      zlibVersion -lz   || disable  zlib
1813 disabled bzlib || check_lib bzlib.h BZ2_bzlibVersion -lbz2 || disable bzlib
1814
1815 # check for some common methods of building with pthread support
1816 # do this before the optional library checks as some of them require pthreads
1817 if enabled pthreads; then
1818     if check_func pthread_create; then
1819         :
1820     elif check_func pthread_create -pthread; then
1821         add_cflags -pthread
1822         add_extralibs -pthread
1823     elif check_func pthread_create -pthreads; then
1824         add_cflags -pthreads
1825         add_extralibs -pthreads
1826     elif check_func pthread_create -lpthreadGC2; then
1827         add_extralibs -lpthreadGC2
1828     elif ! check_lib pthread.h pthread_create -lpthread; then
1829         die "ERROR: can't find pthreads library"
1830     fi
1831 fi
1832
1833 for thread in $THREADS_LIST; do
1834     if enabled $thread; then
1835         test -n "$thread_type" &&
1836             die "ERROR: Only one thread type must be selected." ||
1837             thread_type="$thread"
1838     fi
1839 done
1840
1841 check_lib math.h sin -lm
1842
1843 # test for C99 functions in math.h
1844 for func in llrint lrint lrintf round roundf; do
1845     check_exec <<EOF && enable $func || disable $func
1846 #include <math.h>
1847 int main(void) { return ($func(3.999f) > 0)?0:1; }
1848 EOF
1849 done
1850
1851 # these are off by default, so fail if requested and not available
1852 enabled avisynth   && require2 vfw32 "windows.h vfw.h" AVIFileInit -lvfw32
1853 enabled libamr_nb  && require  libamrnb amrnb/interf_dec.h Speech_Decode_Frame_init -lamrnb -lm
1854 enabled libamr_wb  && require  libamrwb amrwb/dec_if.h D_IF_init -lamrwb -lm
1855 enabled libdirac   && add_cflags $(pkg-config --cflags dirac) &&
1856                       require  libdirac libdirac_decoder/dirac_parser.h dirac_decoder_init -ldirac_decoder &&
1857                       require  libdirac libdirac_encoder/dirac_encoder.h dirac_encoder_init -ldirac_encoder
1858 enabled libfaac    && require2 libfaac "stdint.h faac.h" faacEncGetVersion -lfaac
1859 enabled libfaad    && require2 libfaad faad.h faacDecOpen -lfaad
1860 enabled libgsm     && require  libgsm gsm.h gsm_create -lgsm
1861 enabled libmp3lame && require  libmp3lame lame/lame.h lame_init -lmp3lame -lm
1862 enabled libnut     && require  libnut libnut.h nut_demuxer_init -lnut
1863 enabled libschroedinger && add_cflags $(pkg-config --cflags schroedinger-1.0) &&
1864                            require libschroedinger schroedinger/schro.h schro_init $(pkg-config --libs schroedinger-1.0)
1865 enabled libspeex   && require  libspeex speex/speex.h speex_decoder_init -lspeex
1866 enabled libtheora  && require  libtheora theora/theora.h theora_info_init -ltheora -logg
1867 enabled libvorbis  && require  libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbisenc -lvorbis -logg
1868 enabled libx264    && require  libx264 x264.h x264_encoder_open -lx264 -lm &&
1869                       { check_cpp_condition x264.h "X264_BUILD >= 65" ||
1870                         die "ERROR: libx264 version must be >= 0.65."; }
1871 enabled libxvid    && require  libxvid xvid.h xvid_global -lxvidcore
1872 enabled mlib       && require  mediaLib mlib_types.h mlib_VectorSub_S16_U8_Mod -lmlib
1873
1874 # libdc1394 check
1875 if enabled libdc1394; then
1876     { check_lib dc1394/dc1394.h dc1394_new -ldc1394 -lraw1394 &&
1877         enable libdc1394_2; } ||
1878     { check_lib libdc1394/dc1394_control.h dc1394_create_handle -ldc1394_control -lraw1394 &&
1879         enable libdc1394_1; } ||
1880     die "ERROR: No version of libdc1394 found "
1881 fi
1882
1883
1884 _restrict=
1885 for restrict_keyword in restrict __restrict__ __restrict; do
1886     check_cc <<EOF && _restrict=$restrict_keyword && break
1887 void foo(char * $restrict_keyword p);
1888 EOF
1889 done
1890
1891 test "$vhook" = "default" && vhook="$dlopen"
1892
1893 if test "$target_os" = cygwin -o "$target_os" = mingw32 && enabled_all static vhook ; then
1894     disable vhook
1895     echo
1896     echo "At the moment vhooks don't work on Cygwin or MinGW static builds."
1897     echo "Patches welcome."
1898     echo
1899 fi
1900
1901 if enabled vhook; then
1902     check_ldflags -rdynamic
1903     check_ldflags -export-dynamic
1904 fi
1905
1906 check_foo_config imlib2 imlib2 Imlib2.h imlib_load_font
1907 check_foo_config freetype2 freetype ft2build.h FT_Init_FreeType
1908
1909 ##########################################
1910 # SDL check
1911
1912 disable sdl_too_old
1913 disable sdl
1914 SDL_CONFIG="${cross_prefix}sdl-config"
1915 if "${SDL_CONFIG}" --version > /dev/null 2>&1; then
1916     sdl_cflags=`"${SDL_CONFIG}" --cflags`
1917     temp_cflags $sdl_cflags
1918     temp_extralibs `"${SDL_CONFIG}" --libs`
1919     if check_lib2 SDL.h SDL_Init; then
1920         _sdlversion=`"${SDL_CONFIG}" --version | sed 's/[^0-9]//g'`
1921         if test "$_sdlversion" -lt 121 ; then
1922             enable sdl_too_old
1923         else
1924             enable sdl
1925             check_cc $sdl_cflags <<EOF && enable sdl_video_size
1926 #include <SDL.h>
1927 int main(int argc, char **argv){
1928     const SDL_VideoInfo *vi = SDL_GetVideoInfo();
1929     int w = vi->current_w;
1930     return 0;
1931 }
1932 EOF
1933         fi
1934     fi
1935     restore_flags
1936 fi
1937
1938 texi2html -version > /dev/null 2>&1 && enable texi2html || disable texi2html
1939
1940 ##########################################
1941 # Network check
1942
1943 if enabled network; then
1944     check_type sys/socket.h socklen_t
1945     # Prefer arpa/inet.h over winsock2
1946     if check_header arpa/inet.h ; then
1947         check_func closesocket
1948     elif check_header winsock2.h ; then
1949         network_extralibs="-lws2_32"
1950         check_type ws2tcpip.h socklen_t
1951         check_func_headers winsock2.h closesocket
1952     fi
1953 fi
1954
1955 ##########################################
1956 # IPv6 check
1957
1958 enabled network && enabled ipv6 && check_ld <<EOF && enable ipv6 || disable ipv6
1959 #include <sys/types.h>
1960 #include <sys/socket.h>
1961 #include <netinet/in.h>
1962 #include <netdb.h>
1963 int main(void) {
1964     struct sockaddr_storage saddr;
1965     struct ipv6_mreq mreq6;
1966     getaddrinfo(0,0,0,0);
1967     getnameinfo(0,0,0,0,0,0,0);
1968     IN6_IS_ADDR_MULTICAST((const struct in6_addr *)0);
1969 }
1970 EOF
1971
1972 check_header linux/videodev.h
1973 check_header linux/videodev2.h
1974 check_header sys/videoio.h
1975
1976 check_func_headers "windows.h vfw.h" capCreateCaptureWindow -lvfw32
1977
1978 # check for ioctl_meteor.h, ioctl_bt848.h and alternatives
1979 { check_header dev/bktr/ioctl_meteor.h &&
1980   check_header dev/bktr/ioctl_bt848.h; } ||
1981 { check_header machine/ioctl_meteor.h &&
1982   check_header machine/ioctl_bt848.h; } ||
1983 { check_header dev/video/meteor/ioctl_meteor.h &&
1984   check_header dev/video/bktr/ioctl_bt848.h; } ||
1985 check_header dev/ic/bt8xx.h
1986
1987 check_header sys/soundcard.h
1988 check_header soundcard.h
1989
1990 # deal with the X11 frame grabber
1991 enabled x11grab                         &&
1992 check_header X11/Xlib.h                 &&
1993 check_header X11/extensions/XShm.h      &&
1994 check_func XOpenDisplay -lX11           &&
1995 check_func XShmCreateImage -lX11 -lXext
1996
1997 enabled debug && add_cflags -g"$debuglevel"
1998
1999 # add some useful compiler flags if supported
2000 check_cflags -Wdeclaration-after-statement
2001 check_cflags -Wall
2002 check_cflags -Wno-switch
2003 check_cflags -Wdisabled-optimization
2004 check_cflags -Wpointer-arith
2005 check_cflags -Wredundant-decls
2006 check_cflags -Wno-pointer-sign
2007 check_cflags -Wcast-qual
2008 check_cflags -Wwrite-strings
2009 check_cflags -Wtype-limits
2010 enabled extra_warnings && check_cflags -Winline
2011
2012 # add some linker flags
2013 check_ldflags -Wl,--warn-common
2014 check_ldflags -Wl,--as-needed
2015 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'
2016 check_ldflags -Wl,-Bsymbolic
2017
2018 if enabled small; then
2019     check_cflags -Os            # not all compilers support -Os
2020     optimizations="small"
2021 elif enabled optimizations; then
2022     if $cc -v 2>&1 | grep -q xlc; then
2023         add_cflags  "-O5"
2024         add_ldflags "-O5"
2025     else
2026         add_cflags "-O3"
2027     fi
2028 fi
2029 check_cflags -fno-math-errno
2030 check_cflags -fno-signed-zeros
2031
2032 # add some flags for Intel C Compiler
2033 if $cc --version 2> /dev/null | grep -q Intel; then
2034   # Just warnings, no remarks
2035   check_cflags -w1
2036   # -wd: Disable following warnings
2037   # 144, 167, 556: -Wno-pointer-sign
2038   # 10006: ignoring unknown option -fno-signed-zeros
2039   # 10156: ignoring option '-W'; no argument required
2040   check_cflags -wd144,167,556,10006,10156
2041   # 11030: Warning unknown option --as-needed
2042   # 10156: ignoring option '-export'; no argument required
2043   check_ldflags -wd10156,11030
2044   # Allow to compile with optimizations
2045   check_ldflags -march=$cpu
2046 fi
2047
2048 # PIC flags for shared library objects where they are needed
2049 if enabled shared; then
2050     # LIBOBJFLAGS may have already been set in the OS configuration
2051     if test -z "$LIBOBJFLAGS" ; then
2052         case "$arch" in
2053             x86_64|ia64|alpha|sparc*|power*|parisc*|mips*) LIBOBJFLAGS='$(PIC)' ;;
2054         esac
2055     fi
2056 fi
2057
2058 if enabled gprof; then
2059     add_cflags  "-p"
2060     add_ldflags "-p"
2061 fi
2062
2063 VHOOKCFLAGS="-fPIC"
2064
2065 # Find out if the .align argument is a power of two or not.
2066 if test $asmalign_pot = "unknown"; then
2067     disable asmalign_pot
2068     echo '__asm__ (".align 3");' | check_cc && enable asmalign_pot
2069 fi
2070
2071 enabled_any $DECODER_LIST      && enable decoders
2072 enabled_any $ENCODER_LIST      && enable encoders
2073 enabled_any $BSF_LIST          && enable bsfs
2074 enabled_any $DEMUXER_LIST      && enable demuxers
2075 enabled_any $MUXER_LIST        && enable muxers
2076 enabled_any $FILTER_LIST       && enable filters
2077 enabled_any $INDEV_LIST        && enable demuxers
2078 enabled_any $OUTDEV_LIST       && enable muxers
2079 enabled_any $PROTOCOL_LIST     && enable protocols
2080
2081 enabled_any $THREADS_LIST      && enable threads
2082
2083 check_deps $CONFIG_LIST       \
2084            $CONFIG_EXTRA      \
2085            $HAVE_LIST         \
2086            $DECODER_LIST      \
2087            $ENCODER_LIST      \
2088            $PARSER_LIST       \
2089            $BSF_LIST          \
2090            $DEMUXER_LIST      \
2091            $MUXER_LIST        \
2092            $FILTER_LIST       \
2093            $INDEV_LIST        \
2094            $OUTDEV_LIST       \
2095            $PROTOCOL_LIST     \
2096
2097 enabled libdc1394 && append pkg_requires "libraw1394"
2098 enabled libdirac  && append pkg_requires "dirac"
2099 enabled libtheora && append pkg_requires "theora"
2100 enabled libvorbis && append pkg_requires "vorbisenc"
2101
2102 echo "install prefix            $prefix"
2103 echo "source path               $source_path"
2104 echo "C compiler                $cc"
2105 echo ".align is power-of-two    $asmalign_pot"
2106 echo "ARCH                      $arch ($cpu)"
2107 if test "$build_suffix" != ""; then
2108     echo "build suffix              $build_suffix"
2109 fi
2110 if test "$extra_version" != ""; then
2111     echo "version string suffix     $extra_version"
2112 fi
2113 echo "big-endian                ${bigendian-no}"
2114 if test $arch = "x86_32" -o $arch = "x86_64"; then
2115     echo "yasm                      ${yasm-no}"
2116     echo "MMX enabled               ${mmx-no}"
2117     echo "CMOV enabled              ${cmov-no}"
2118     echo "CMOV is fast              ${fast_cmov-no}"
2119     echo "EBX available             ${ebx_available-no}"
2120     echo "EBP available             ${ebp_available-no}"
2121 fi
2122 if test $arch = "armv4l"; then
2123     echo "ARMv5TE enabled           ${armv5te-no}"
2124     echo "ARMv6 enabled             ${armv6-no}"
2125     echo "ARM VFP enabled           ${armvfp-no}"
2126     echo "IWMMXT enabled            ${iwmmxt-no}"
2127     echo "NEON enabled              ${neon-no}"
2128 fi
2129 if test $arch = "mips"; then
2130     echo "MMI enabled               ${mmi-no}"
2131 fi
2132 if test $arch = "powerpc"; then
2133     echo "AltiVec enabled           ${altivec-no}"
2134     echo "dcbzl available           ${dcbzl-no}"
2135 fi
2136 echo "gprof enabled             ${gprof-no}"
2137 echo "debug symbols             ${debug-no}"
2138 echo "strip symbols             ${stripping-no}"
2139 echo "optimizations             ${optimizations-no}"
2140 echo "static                    ${static-no}"
2141 echo "shared                    ${shared-no}"
2142 echo "postprocessing support    ${postproc-no}"
2143 echo "software scaler enabled   ${swscale-no}"
2144 echo "new filter support        ${avfilter-no}"
2145 echo "filters using lavformat   ${avfilter_lavf-no}"
2146 echo "video hooking             ${vhook-no}"
2147 if enabled vhook; then
2148     echo "Imlib2 support            ${imlib2-no}"
2149     echo "FreeType support          ${freetype2-no}"
2150 fi
2151 echo "network support           ${network-no}"
2152 if enabled network; then
2153     echo "IPv6 support              ${ipv6-no}"
2154 fi
2155 echo "threading support         ${thread_type-no}"
2156 echo "SDL support               ${sdl-no}"
2157 if enabled sdl_too_old; then
2158     echo "-> Your SDL version is too old - please upgrade to have FFplay/SDL support."
2159 fi
2160 echo "Sun medialib support      ${mlib-no}"
2161 echo "AVISynth enabled          ${avisynth-no}"
2162 echo "libamr-nb support         ${libamr_nb-no}"
2163 echo "libamr-wb support         ${libamr_wb-no}"
2164 echo "libdc1394 support         ${libdc1394-no}"
2165 echo "libdirac enabled          ${libdirac-no}"
2166 echo "libfaac enabled           ${libfaac-no}"
2167 echo "libfaad enabled           ${libfaad-no}"
2168 echo "libfaad dlopened          ${libfaadbin-no}"
2169 echo "libgsm enabled            ${libgsm-no}"
2170 echo "libmp3lame enabled        ${libmp3lame-no}"
2171 echo "libnut enabled            ${libnut-no}"
2172 echo "libschroedinger enabled   ${libschroedinger-no}"
2173 echo "libspeex enabled          ${libspeex-no}"
2174 echo "libtheora enabled         ${libtheora-no}"
2175 echo "libvorbis enabled         ${libvorbis-no}"
2176 echo "libx264 enabled           ${libx264-no}"
2177 echo "libxvid enabled           ${libxvid-no}"
2178 echo "zlib enabled              ${zlib-no}"
2179 echo "bzlib enabled             ${bzlib-no}"
2180 echo
2181
2182 for type in decoder encoder parser demuxer muxer protocol filter bsf indev outdev; do
2183     echo "Enabled ${type}s:"
2184     eval list=\$$(toupper $type)_LIST
2185     for part in $list; do
2186         enabled $part && echo ${part%_*}
2187     done | sort | pr -3 -t
2188     echo
2189 done
2190
2191 license="LGPL"
2192 if enabled nonfree; then
2193     license="unredistributable"
2194 elif enabled gpl; then
2195     license="GPL"
2196 fi
2197
2198 echo "License: $license"
2199
2200 echo "Creating config.mak and config.h..."
2201
2202 echo "# Automatically generated by configure - do not modify!" > config.mak
2203 echo "/* Automatically generated by configure - do not modify! */" > $TMPH
2204 echo "#ifndef FFMPEG_CONFIG_H" >> $TMPH
2205 echo "#define FFMPEG_CONFIG_H" >> $TMPH
2206 echo "#define FFMPEG_CONFIGURATION \"$FFMPEG_CONFIGURATION\"" >> $TMPH
2207
2208 echo "FFMPEG_CONFIGURATION=$FFMPEG_CONFIGURATION" >> config.mak
2209 echo "prefix=$prefix" >> config.mak
2210 echo "LIBDIR=\$(DESTDIR)$libdir" >> config.mak
2211 echo "SHLIBDIR=\$(DESTDIR)$shlibdir" >> config.mak
2212 echo "INCDIR=\$(DESTDIR)$incdir" >> config.mak
2213 echo "BINDIR=\$(DESTDIR)$bindir" >> config.mak
2214 echo "MANDIR=\$(DESTDIR)$mandir" >> config.mak
2215 echo "CC=$cc" >> config.mak
2216 echo "YASM=$yasmexe" >> config.mak
2217 echo "AR=$ar" >> config.mak
2218 echo "RANLIB=$ranlib" >> config.mak
2219 echo "LN_S=$ln_s" >> config.mak
2220 enabled stripping &&
2221     echo "STRIP=$strip" >> config.mak ||
2222     echo "STRIP=echo ignoring strip" >> config.mak
2223
2224 echo "OPTFLAGS=$CFLAGS" >> config.mak
2225 echo "VHOOKCFLAGS=$VHOOKCFLAGS" >> config.mak
2226 echo "LDFLAGS=$LDFLAGS" >> config.mak
2227 echo "FFSERVERLDFLAGS=$FFSERVERLDFLAGS" >> config.mak
2228 echo "SHFLAGS=$SHFLAGS" >> config.mak
2229 echo "YASMFLAGS=$YASMFLAGS" >> config.mak
2230 echo "VHOOKSHFLAGS=$VHOOKSHFLAGS" >> config.mak
2231 echo "VHOOKLIBS=$VHOOKLIBS" >> config.mak
2232 echo "LIBOBJFLAGS=$LIBOBJFLAGS" >> config.mak
2233 echo "BUILD_STATIC=$static" >> config.mak
2234 echo "BUILDSUF=$build_suffix" >> config.mak
2235 echo "FULLNAME=$FULLNAME" >> config.mak
2236 echo "LIBPREF=$LIBPREF" >> config.mak
2237 echo "LIBSUF=$LIBSUF" >> config.mak
2238 echo "LIBNAME=$LIBNAME" >> config.mak
2239 echo "SLIBPREF=$SLIBPREF" >> config.mak
2240 echo "SLIBSUF=$SLIBSUF" >> config.mak
2241 echo "EXESUF=$EXESUF" >> config.mak
2242 echo "EXTRA_VERSION=$extra_version" >> config.mak
2243 echo "DEPEND_CMD=$DEPEND_CMD" >> config.mak
2244 echo "HOSTCC=$host_cc" >> config.mak
2245 echo "HOSTCFLAGS=$host_cflags" >> config.mak
2246 echo "HOSTLDFLAGS=$host_ldflags" >> config.mak
2247 echo "HOSTLIBS=$host_libs" >> config.mak
2248 echo "TARGET_EXEC=$target_exec" >> config.mak
2249 echo "TARGET_PATH=$target_path" >> config.mak
2250
2251 if enabled bigendian; then
2252     echo "WORDS_BIGENDIAN=yes" >> config.mak
2253     echo "#define WORDS_BIGENDIAN 1" >> $TMPH
2254 fi
2255
2256 if enabled sdl; then
2257     echo "SDL_LIBS=`"${SDL_CONFIG}" --libs`" >> config.mak
2258     echo "SDL_CFLAGS=`"${SDL_CONFIG}" --cflags`" >> config.mak
2259 fi
2260 if enabled texi2html; then
2261     echo "BUILD_DOC=yes" >> config.mak
2262 fi
2263
2264 get_version(){
2265     name=$1
2266     file=$source_path/$2
2267     eval $(grep "#define ${name}_VERSION_M" "$file" | awk '{ print $2"="$3 }')
2268     eval ${name}_VERSION=\$${name}_VERSION_MAJOR.\$${name}_VERSION_MINOR.\$${name}_VERSION_MICRO
2269     lcname=$(tolower $name)
2270     eval echo "${lcname}_VERSION=\$${name}_VERSION" >> config.mak
2271     eval echo "${lcname}_VERSION_MAJOR=\$${name}_VERSION_MAJOR" >> config.mak
2272 }
2273
2274 get_version LIBSWSCALE  libswscale/swscale.h
2275 get_version LIBPOSTPROC libpostproc/postprocess.h
2276 get_version LIBAVCODEC  libavcodec/avcodec.h
2277 get_version LIBAVDEVICE libavdevice/avdevice.h
2278 get_version LIBAVFORMAT libavformat/avformat.h
2279 get_version LIBAVUTIL   libavutil/avutil.h
2280 get_version LIBAVFILTER libavfilter/avfilter.h
2281
2282 if enabled shared; then
2283     echo "BUILD_SHARED=yes" >> config.mak
2284     echo "PIC=-fPIC -DPIC" >> config.mak
2285     echo "LIBTARGET=${LIBTARGET}" >> config.mak
2286     echo "SLIBNAME=${SLIBNAME}" >> config.mak
2287     echo "SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}" >> config.mak
2288     echo "SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}" >> config.mak
2289     echo "SLIB_CREATE_DEF_CMD=${SLIB_CREATE_DEF_CMD}" >> config.mak
2290     echo "SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}" >> config.mak
2291     echo "SLIB_INSTALL_EXTRA_CMD=${SLIB_INSTALL_EXTRA_CMD}" >> config.mak
2292     echo "SLIB_UNINSTALL_EXTRA_CMD=${SLIB_UNINSTALL_EXTRA_CMD}" >> config.mak
2293 fi
2294 echo "LIB_INSTALL_EXTRA_CMD=${LIB_INSTALL_EXTRA_CMD}" >> config.mak
2295 echo "EXTRALIBS=$extralibs" >> config.mak
2296
2297 print_config ARCH_   $TMPH config.mak $ARCH_LIST
2298 print_config HAVE_   $TMPH config.mak $HAVE_LIST
2299 print_config CONFIG_ $TMPH config.mak $CONFIG_LIST       \
2300                                       $CONFIG_EXTRA      \
2301                                       $DECODER_LIST      \
2302                                       $ENCODER_LIST      \
2303                                       $PARSER_LIST       \
2304                                       $BSF_LIST          \
2305                                       $DEMUXER_LIST      \
2306                                       $MUXER_LIST        \
2307                                       $FILTER_LIST       \
2308                                       $PROTOCOL_LIST     \
2309                                       $INDEV_LIST        \
2310                                       $OUTDEV_LIST       \
2311
2312 echo "#define restrict $_restrict" >> $TMPH
2313
2314 if enabled small; then
2315     echo "#define av_always_inline"  >> $TMPH
2316 fi
2317
2318 echo "SRC_PATH=\"$source_path\"" >> config.mak
2319 echo "SRC_PATH_BARE=$source_path" >> config.mak
2320 echo "BUILD_ROOT=\"$PWD\"" >> config.mak
2321
2322 # Apparently it's not possible to portably echo a backslash.
2323 enabled asmalign_pot &&
2324     printf '#define ASMALIGN(ZEROBITS) ".align " #ZEROBITS "\\n\\t"\n' >> $TMPH ||
2325     printf '#define ASMALIGN(ZEROBITS) ".align 1 << " #ZEROBITS "\\n\\t"\n' >> $TMPH
2326
2327 echo "#define EXTERN_PREFIX \"${extern_prefix}\"" >> $TMPH
2328
2329 echo "#endif /* FFMPEG_CONFIG_H */" >> $TMPH
2330
2331 # Do not overwrite an unchanged config.h to avoid superfluous rebuilds.
2332 cmp -s $TMPH config.h &&
2333     echo "config.h is unchanged" ||
2334     mv -f $TMPH config.h
2335
2336 rm -f $TMPC $TMPE $TMPH $TMPO $TMPS $TMPSH
2337
2338 # build tree in object directory if source path is different from current one
2339 if enabled source_path_used; then
2340     DIRS="\
2341         doc               \
2342         libavcodec        \
2343         libavcodec/alpha  \
2344         libavcodec/armv4l \
2345         libavcodec/bfin   \
2346         libavcodec/i386   \
2347         libavcodec/mlib   \
2348         libavcodec/ppc    \
2349         libavcodec/sh4    \
2350         libavcodec/sparc  \
2351         libavdevice       \
2352         libavfilter       \
2353         libavformat       \
2354         libavutil         \
2355         libpostproc       \
2356         libswscale        \
2357         tests             \
2358         tools             \
2359         vhook             \
2360         "
2361     FILES="\
2362         Makefile             \
2363         common.mak           \
2364         subdir.mak           \
2365         doc/texi2pod.pl      \
2366         libavcodec/Makefile  \
2367         libavdevice/Makefile \
2368         libavfilter/Makefile \
2369         libavformat/Makefile \
2370         libavutil/Makefile   \
2371         libpostproc/Makefile \
2372         libswscale/Makefile  \
2373         "
2374     for dir in $DIRS ; do
2375         mkdir -p $dir
2376     done
2377     for f in $FILES ; do
2378         $ln_s "$source_path/$f" $f
2379     done
2380 fi
2381
2382
2383 # build pkg-config files
2384
2385 pkgconfig_generate(){
2386 name=$1
2387 shortname=${name#lib}${build_suffix}
2388 comment=$2
2389 version=$3
2390 libs=$4
2391 requires=$5
2392 cat <<EOF > $name/$name.pc
2393 prefix=$prefix
2394 exec_prefix=\${prefix}
2395 libdir=$libdir
2396 includedir=$incdir
2397
2398 Name: $name
2399 Description: $comment
2400 Version: $version
2401 Requires: $(disabled shared && echo $requires)
2402 Requires.private: $(enabled shared && echo $requires)
2403 Conflicts:
2404 Libs: -L\${libdir} -l${shortname} $(disabled shared && echo $libs)
2405 Libs.private: $(enabled shared && echo $libs)
2406 Cflags: -I\${includedir}
2407 EOF
2408 cat <<EOF > $name/$name-uninstalled.pc
2409 prefix=
2410 exec_prefix=
2411 libdir=\${pcfiledir}
2412 includedir=${source_path}
2413
2414 Name: $name
2415 Description: $comment
2416 Version: $version
2417 Requires: $requires
2418 Conflicts:
2419 Libs: \${libdir}/${LIBPREF}${shortname}${LIBSUF} $libs
2420 Cflags: -I\${includedir}
2421 EOF
2422 }
2423
2424 pkgconfig_generate libavutil "FFmpeg utility library" "$LIBAVUTIL_VERSION"
2425 pkgconfig_generate libavcodec "FFmpeg codec library" "$LIBAVCODEC_VERSION" "$extralibs" "$pkg_requires libavutil = $LIBAVUTIL_VERSION"
2426 pkgconfig_generate libavformat "FFmpeg container format library" "$LIBAVFORMAT_VERSION" "$extralibs" "$pkg_requires libavcodec = $LIBAVCODEC_VERSION"
2427 pkgconfig_generate libavdevice "FFmpeg device handling library" "$LIBAVDEVICE_VERSION" "$extralibs" "$pkg_requires libavformat = $LIBAVFORMAT_VERSION"
2428 enabled avfilter &&
2429     pkgconfig_generate libavfilter "FFmpeg video filtering library" "$LIBAVFILTER_VERSION" "$extralibs" "$pkg_requires libavutil = $LIBAVUTIL_VERSION"
2430 enabled postproc &&
2431     pkgconfig_generate libpostproc "FFmpeg post processing library" "$LIBPOSTPROC_VERSION"
2432 if enabled swscale; then
2433     pkgconfig_generate libswscale "FFmpeg image rescaling library" "$LIBSWSCALE_VERSION" "" "libavutil = $LIBAVUTIL_VERSION"
2434 else
2435     pkgconfig_generate libswscale "FFmpeg image rescaling library" "$LIBSWSCALE_VERSION" "" "$pkg_requires libavcodec = $LIBAVCODEC_VERSION"
2436     apply libswscale/libswscale.pc sed s/^Libs:.*$/Libs:/
2437 fi