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-aandct         disable AAN DCT code"
 154   echo "  --disable-fft            disable FFT code"
 155   echo "  --disable-golomb         disable Golomb code"
 156   echo "  --disable-mdct           disable MDCT code"
 157   echo "  --enable-gray            enable full grayscale support (slower color)"
 158   echo "  --disable-ffmpeg         disable ffmpeg build"
 159   echo "  --disable-ffplay         disable ffplay build"
 160   echo "  --disable-ffserver       disable ffserver build"
 161   echo "  --enable-small           optimize for size instead of speed"
 162   echo "  --enable-hardcoded-tables use hardcoded tables instead of runtime generation"
 163   echo "  --enable-memalign-hack   emulate memalign, interferes with memory debuggers"
 164   echo "  --enable-beos-netserver  enable BeOS netserver"
 165   echo "  --disable-encoder=NAME   disable encoder NAME"
 166   echo "  --enable-encoder=NAME    enable encoder NAME"
 167   echo "  --disable-encoders       disable all encoders"
 168   echo "  --disable-decoder=NAME   disable decoder NAME"
 169   echo "  --enable-decoder=NAME    enable decoder NAME"
 170   echo "  --disable-decoders       disable all decoders"
 171   echo "  --disable-muxer=NAME     disable muxer NAME"
 172   echo "  --enable-muxer=NAME      enable muxer NAME"
 173   echo "  --disable-muxers         disable all muxers"
 174   echo "  --disable-demuxer=NAME   disable demuxer NAME"
 175   echo "  --enable-demuxer=NAME    enable demuxer NAME"
 176   echo "  --disable-demuxers       disable all demuxers"
 177   echo "  --enable-parser=NAME     enable parser NAME"
 178   echo "  --disable-parser=NAME    disable parser NAME"
 179   echo "  --disable-parsers        disable all parsers"
 180   echo "  --enable-bsf=NAME        enable bitstream filter NAME"
 181   echo "  --disable-bsf=NAME       disable bitstream filter NAME"
 182   echo "  --disable-bsfs           disable all bitstream filters"
 183   echo "  --enable-protocol=NAME   enable protocol NAME"
 184   echo "  --disable-protocol=NAME  disable protocol NAME"
 185   echo "  --disable-protocols      disable all protocols"
 186   echo "  --disable-indevs         disable input devices"
 187   echo "  --disable-outdevs        disable output devices"
 188   echo "  --disable-devices        disable all devices"
 189   echo "  --enable-filter=NAME     enable filter NAME"
 190   echo "  --disable-filter=NAME    disable filter NAME"
 191   echo "  --disable-filters        disable all filters"
 192   echo "  --list-decoders          show all available decoders"
 193   echo "  --list-encoders          show all available encoders"
 194   echo "  --list-muxers            show all available muxers"
 195   echo "  --list-demuxers          show all available demuxers"
 196   echo "  --list-parsers           show all available parsers"
 197   echo "  --list-protocols         show all available protocols"
 198   echo "  --list-bsfs              show all available bitstream filters"
 199   echo "  --list-indevs            show all available input devices"
 200   echo "  --list-outdevs           show all available output devices"
 201   echo "  --list-filters           show all available filters"
 202   echo
 203   echo "Developer options (useful when working on FFmpeg itself):"
 204   echo "  --disable-debug          disable debugging symbols"
 205   echo "  --enable-debug=LEVEL     set the debug level [$debuglevel]"
 206   echo "  --enable-gprof           enable profiling with gprof [$gprof]"
 207   echo "  --disable-optimizations  disable compiler optimizations"
 208   echo "  --enable-extra-warnings  enable more compiler warnings"
 209   echo "  --disable-stripping      disable stripping of executables and shared libraries"
 210   echo ""
 211   echo "NOTE: Object files are built at the place where configure is launched."
 212   exit 0
 213 }
 214
 215 log(){
 216     echo "$@" >> $logfile
 217 }
 218
 219 log_file(){
 220     log BEGIN $1
 221     pr -n -t $1 >> $logfile
 222     log END $1
 223 }
 224
 225 echolog(){
 226     log "$@"
 227     echo "$@"
 228 }
 229
 230 die(){
 231     echolog "$@"
 232     cat <<EOF
 233 If you think configure made a mistake, make sure you are using the latest
 234 version from SVN.  If the latest version fails, report the problem to the
 235 ffmpeg-user@mplayerhq.hu mailing list or IRC #ffmpeg on irc.freenode.net.
 236 EOF
 237     if disabled logging; then
 238         cat <<EOF
 239 Rerun configure with logging enabled (do not use --disable-logging), and
 240 include the log this produces with your report.
 241 EOF
 242     else
 243 cat <<EOF
 244 Include the log file "$logfile" produced by configure as this will help
 245 solving the problem.
 246 EOF
 247     fi
 248     rm -f $TMPC $TMPE $TMPH $TMPO $TMPS $TMPSH
 249     exit 1
 250 }
 251
 252 # Avoid locale weirdness, besides we really just want to translate ASCII.
 253 toupper(){
 254     echo "$@" | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ
 255 }
 256
 257 tolower(){
 258     echo "$@" | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz
 259 }
 260
 261 set_all(){
 262     value=$1
 263     shift
 264     for var in $*; do
 265         eval $var=$value
 266     done
 267 }
 268
 269 set_weak(){
 270     value=$1
 271     shift
 272     for var; do
 273         eval : \${$var:=$value}
 274     done
 275 }
 276
 277 pushvar(){
 278     for var in $*; do
 279         eval level=\${${var}_level:=0}
 280         eval ${var}_${level}="\$$var"
 281         eval ${var}_level=$(($level+1))
 282     done
 283 }
 284
 285 popvar(){
 286     for var in $*; do
 287         eval level=\${${var}_level:-0}
 288         test $level = 0 && continue
 289         eval level=$(($level-1))
 290         eval $var="\${${var}_${level}}"
 291         eval ${var}_level=$level
 292         eval unset ${var}_${level}
 293     done
 294 }
 295
 296 enable(){
 297     set_all yes $*
 298 }
 299
 300 disable(){
 301     set_all no $*
 302 }
 303
 304 enable_weak(){
 305     set_weak yes $*
 306 }
 307
 308 disable_weak(){
 309     set_weak no $*
 310 }
 311
 312 do_enable_deep(){
 313     for var; do
 314         enabled $var && continue
 315         eval sel="\$${var}_select"
 316         eval sgs="\$${var}_suggest"
 317         pushvar var sgs
 318         enable_deep $sel
 319         popvar sgs
 320         enable_deep_weak $sgs
 321         popvar var
 322     done
 323 }
 324
 325 enable_deep(){
 326     do_enable_deep $*
 327     enable $*
 328 }
 329
 330 enable_deep_weak(){
 331     do_enable_deep $*
 332     enable_weak $*
 333 }
 334
 335 enabled(){
 336     test "${1#!}" = "$1" && op== || op=!=
 337     eval test "x\$${1#!}" $op "xyes"
 338 }
 339
 340 disabled(){
 341     test "${1#!}" = "$1" && op== || op=!=
 342     eval test "x\$${1#!}" $op "xno"
 343 }
 344
 345 enabled_all(){
 346     for opt; do
 347         enabled $opt || return 1
 348     done
 349 }
 350
 351 disabled_all(){
 352     for opt; do
 353         disabled $opt || return 1
 354     done
 355 }
 356
 357 enabled_any(){
 358     for opt; do
 359         enabled $opt && return 0
 360     done
 361 }
 362
 363 disabled_any(){
 364     for opt; do
 365         disabled $opt && return 0
 366     done
 367     return 1
 368 }
 369
 370 set_default(){
 371     for opt; do
 372         eval : \${$opt:=\$${opt}_default}
 373     done
 374 }
 375
 376 is_in(){
 377     value=$1
 378     shift
 379     for var in $*; do
 380         [ $var = $value ] && return 0
 381     done
 382     return 1
 383 }
 384
 385 check_deps(){
 386     for cfg; do
 387         cfg="${cfg#!}"
 388         enabled ${cfg}_checking && die "Circular dependency for $cfg."
 389         disabled ${cfg}_checking && continue
 390         enable ${cfg}_checking
 391
 392         eval dep_all="\$${cfg}_deps"
 393         eval dep_any="\$${cfg}_deps_any"
 394         eval dep_sel="\$${cfg}_select"
 395         eval dep_sgs="\$${cfg}_suggest"
 396
 397         pushvar cfg dep_all dep_any dep_sel dep_sgs
 398         check_deps $dep_all $dep_any $dep_sel $dep_sgs
 399         popvar cfg dep_all dep_any dep_sel dep_sgs
 400
 401         enabled_all  $dep_all || disable $cfg
 402         enabled_any  $dep_any || disable $cfg
 403         disabled_any $dep_sel && disable $cfg
 404
 405         if enabled $cfg; then
 406             eval dep_extralibs="\$${cfg}_extralibs"
 407             test -n "$dep_extralibs" && add_extralibs $dep_extralibs
 408             enable_deep $dep_sel
 409             enable_deep_weak $dep_sgs
 410         fi
 411
 412         disable ${cfg}_checking
 413     done
 414 }
 415
 416 print_config(){
 417     pfx=$1
 418     header=$2
 419     makefile=$3
 420     shift 3
 421     for cfg; do
 422         ucname="`toupper $cfg`"
 423         if enabled $cfg; then
 424             echo "#define ${pfx}${ucname} 1" >> $header
 425             echo "#define ENABLE_${ucname} 1" >> $header
 426             echo "${pfx}${ucname}=yes" >> $makefile
 427         else
 428             echo "#define ENABLE_${ucname} 0" >> $header
 429         fi
 430     done
 431 }
 432
 433 flags_saved(){
 434     (: ${SAVE_CFLAGS?}) 2> /dev/null
 435 }
 436
 437 save_flags(){
 438     flags_saved && return
 439     SAVE_CFLAGS="$CFLAGS"
 440     SAVE_LDFLAGS="$LDFLAGS"
 441     SAVE_extralibs="$extralibs"
 442 }
 443
 444 restore_flags(){
 445     flags_saved || return
 446     CFLAGS="$SAVE_CFLAGS"
 447     LDFLAGS="$SAVE_LDFLAGS"
 448     extralibs="$SAVE_extralibs"
 449     unset SAVE_CFLAGS
 450     unset SAVE_LDFLAGS
 451     unset SAVE_extralibs
 452 }
 453
 454 temp_cflags(){
 455     save_flags
 456     CFLAGS="$CFLAGS $*"
 457 }
 458
 459 temp_ldflags(){
 460     save_flags
 461     LDFLAGS="$LDFLAGS $*"
 462 }
 463
 464 temp_extralibs(){
 465     save_flags
 466     extralibs="$extralibs $*"
 467 }
 468
 469 append(){
 470     var=$1
 471     shift
 472     flags_saved && eval "SAVE_$var=\"\$SAVE_$var $*\""
 473     eval "$var=\"\$$var $*\""
 474 }
 475
 476 add_cflags(){
 477     append CFLAGS "$@"
 478 }
 479
 480 add_ldflags(){
 481     append LDFLAGS "$@"
 482 }
 483
 484 add_extralibs(){
 485     append extralibs "$@"
 486 }
 487
 488 check_cmd(){
 489     log "$@"
 490     "$@" >> $logfile 2>&1
 491 }
 492
 493 check_cc(){
 494     log check_cc "$@"
 495     cat > $TMPC
 496     log_file $TMPC
 497     check_cmd $cc $CFLAGS "$@" -c -o $TMPO $TMPC
 498 }
 499
 500 check_cpp(){
 501     log check_cpp "$@"
 502     cat > $TMPC
 503     log_file $TMPC
 504     check_cmd $cc $CFLAGS "$@" -E -o $TMPO $TMPC
 505 }
 506
 507 check_asm(){
 508     log check_asm "$@"
 509     name="$1"
 510     asm="$2"
 511     shift 2
 512     check_cc "$@" <<EOF && enable $name || disable $name
 513 int foo(void){ __asm__ volatile($asm); }
 514 EOF
 515 }
 516
 517 check_yasm(){
 518     log check_yasm "$@"
 519     echo "$1" > $TMPS
 520     log_file $TMPS
 521     shift 1
 522     check_cmd $yasmexe $YASMFLAGS "$@" -o $TMPO $TMPS
 523 }
 524
 525 check_ld(){
 526     log check_ld "$@"
 527     check_cc || return
 528     flags=''
 529     libs=''
 530     for f; do
 531         test "${f}" = "${f#-l}" && flags="$flags $f" || libs="$libs $f"
 532     done
 533     check_cmd $cc $LDFLAGS $flags -o $TMPE $TMPO $extralibs $libs
 534 }
 535
 536 check_cflags(){
 537     log check_cflags "$@"
 538     check_cc "$@" <<EOF && add_cflags "$@"
 539 int x;
 540 EOF
 541 }
 542
 543 check_ldflags(){
 544     log check_ldflags "$@"
 545     check_ld "$@" <<EOF && add_ldflags "$@"
 546 int main(void){ return 0; }
 547 EOF
 548 }
 549
 550 check_header(){
 551     log check_header "$@"
 552     header=$1
 553     shift
 554     var=`echo $header | sed 's/[^A-Za-z0-9_]/_/g'`
 555     disable $var
 556     check_cpp "$@" <<EOF && enable $var
 557 #include <$header>
 558 int x;
 559 EOF
 560 }
 561
 562 check_func(){
 563     log check_func "$@"
 564     func=$1
 565     shift
 566     disable $func
 567     check_ld "$@" <<EOF && enable $func
 568 extern int $func();
 569 int main(void){ $func(); }
 570 EOF
 571 }
 572
 573 check_func_headers(){
 574     log check_func_headers "$@"
 575     headers=$1
 576     func=$2
 577     shift 2
 578     disable $func
 579     incs=""
 580     for hdr in $headers; do
 581         incs="$incs
 582 #include <$hdr>"
 583     done
 584     check_ld "$@" <<EOF && enable $func
 585 $incs
 586 int main(int argc, char **argv){
 587     (void) $func;
 588     return 0;
 589 }
 590 EOF
 591 }
 592
 593 check_cpp_condition(){
 594     log check_cpp_condition "$@"
 595     header=$1
 596     condition=$2
 597     check_cpp <<EOF
 598 #include <$header>
 599 #if !($condition)
 600 #error "unsatisfied condition: $condition"
 601 #endif
 602 EOF
 603 }
 604
 605 check_lib(){
 606     log check_lib "$@"
 607     header="$1"
 608     func="$2"
 609     shift 2
 610     temp_extralibs "$@"
 611     check_header $header && check_func $func && add_extralibs "$@"
 612     err=$?
 613     restore_flags
 614     return $err
 615 }
 616
 617 check_lib2(){
 618     log check_lib2 "$@"
 619     headers="$1"
 620     func="$2"
 621     shift 2
 622     temp_extralibs "$@"
 623     check_func_headers "$headers" $func && add_extralibs "$@"
 624     err=$?
 625     restore_flags
 626     return $err
 627 }
 628
 629 check_exec(){
 630     check_ld "$@" && { enabled cross_compile || $TMPE >> $logfile 2>&1; }
 631 }
 632
 633 check_exec_crash(){
 634     code=`cat`
 635
 636     # exit() is not async signal safe.  _Exit (C99) and _exit (POSIX)
 637     # are safe but may not be available everywhere.  Thus we use
 638     # raise(SIGTERM) instead.  The check is run in a subshell so we
 639     # can redirect the "Terminated" message from the shell.  SIGBUS
 640     # is not defined by standard C so it is used conditionally.
 641
 642     (check_exec "$@") >> $logfile 2>&1 <<EOF
 643 #include <signal.h>
 644 static void sighandler(int sig){
 645     raise(SIGTERM);
 646 }
 647 int main(void){
 648     signal(SIGILL, sighandler);
 649     signal(SIGFPE, sighandler);
 650     signal(SIGSEGV, sighandler);
 651 #ifdef SIGBUS
 652     signal(SIGBUS, sighandler);
 653 #endif
 654     { $code }
 655 }
 656 EOF
 657 }
 658
 659 check_type(){
 660     log check_type "$@"
 661     headers=$1
 662     type=$2
 663     shift 2
 664     disable $type
 665     incs=""
 666     for hdr in $headers; do
 667         incs="$incs
 668 #include <$hdr>"
 669     done
 670     check_cc "$@" <<EOF && enable $type
 671 $incs
 672 $type v;
 673 EOF
 674 }
 675
 676 require(){
 677     name="$1"
 678     header="$2"
 679     func="$3"
 680     shift 3
 681     check_lib $header $func "$@" || die "ERROR: $name not found"
 682 }
 683
 684 require2(){
 685     name="$1"
 686     headers="$2"
 687     func="$3"
 688     shift 3
 689     check_lib2 "$headers" $func "$@" || die "ERROR: $name not found"
 690 }
 691
 692 check_foo_config(){
 693     cfg=$1
 694     pkg=$2
 695     header=$3
 696     func=$4
 697     shift 4
 698     disable $cfg
 699     check_cmd ${pkg}-config --version
 700     err=$?
 701     if test "$err" = 0; then
 702         temp_cflags `${pkg}-config --cflags`
 703         temp_extralibs `${pkg}-config --libs`
 704         check_lib "$@" $header $func && enable $cfg
 705     fi
 706     return $err
 707 }
 708
 709 apply(){
 710     file=$1
 711     shift
 712     "$@" < "$file" > "$file.tmp" && mv "$file.tmp" "$file" || rm "$file.tmp"
 713 }
 714
 715 # CONFIG_LIST contains configurable options, while HAVE_LIST is for
 716 # system-dependent things.
 717
 718 COMPONENT_LIST="
 719     bsfs
 720     decoders
 721     demuxers
 722     encoders
 723     filters
 724     indevs
 725     muxers
 726     outdevs
 727     parsers
 728     protocols
 729 "
 730
 731 CONFIG_LIST="
 732     $COMPONENT_LIST
 733     aandct
 734     avfilter
 735     avfilter_lavf
 736     avisynth
 737     beos_netserver
 738     bzlib
 739     ffmpeg
 740     ffplay
 741     ffserver
 742     fft
 743     golomb
 744     gpl
 745     gprof
 746     gray
 747     hardcoded_tables
 748     ipv6
 749     libamr_nb
 750     libamr_wb
 751     libdc1394
 752     libdirac
 753     libfaac
 754     libfaad
 755     libfaadbin
 756     libgsm
 757     libmp3lame
 758     libnut
 759     libschroedinger
 760     libspeex
 761     libtheora
 762     libvorbis
 763     libx264
 764     libxvid
 765     mdct
 766     memalign_hack
 767     mlib
 768     mpegaudio_hp
 769     network
 770     nonfree
 771     postproc
 772     powerpc_perf
 773     small
 774     swscale
 775     vhook
 776     x11grab
 777     zlib
 778 "
 779
 780 THREADS_LIST='
 781     beosthreads
 782     os2threads
 783     pthreads
 784     w32threads
 785 '
 786
 787 ARCH_LIST='
 788     alpha
 789     armv4l
 790     bfin
 791     ia64
 792     m68k
 793     mips
 794     parisc
 795     powerpc
 796     s390
 797     sh4
 798     sparc
 799     sparc64
 800     x86
 801     x86_32
 802     x86_64
 803 '
 804
 805 ARCH_EXT_LIST='
 806     altivec
 807     armv5te
 808     armv6
 809     armvfp
 810     iwmmxt
 811     mmi
 812     mmx
 813     mmx2
 814     neon
 815     ssse3
 816     vis
 817 '
 818
 819 HAVE_LIST="
 820     $ARCH_EXT_LIST
 821     $THREADS_LIST
 822     altivec_h
 823     arpa_inet_h
 824     bswap
 825     closesocket
 826     cmov
 827     conio_h
 828     dcbzl
 829     dev_bktr_ioctl_bt848_h
 830     dev_bktr_ioctl_meteor_h
 831     dev_ic_bt8xx_h
 832     dev_video_meteor_ioctl_meteor_h
 833     dev_video_bktr_ioctl_bt848_h
 834     dlfcn_h
 835     dlopen
 836     dos_paths
 837     ebp_available
 838     ebx_available
 839     fast_64bit
 840     fast_cmov
 841     fast_unaligned
 842     fork
 843     freetype2
 844     gethrtime
 845     GetProcessTimes
 846     getrusage
 847     imlib2
 848     inet_aton
 849     inline_asm
 850     libdc1394_1
 851     libdc1394_2
 852     llrint
 853     lrint
 854     lrintf
 855     machine_ioctl_bt848_h
 856     machine_ioctl_meteor_h
 857     malloc_h
 858     memalign
 859     mkstemp
 860     pld
 861     ppc64
 862     round
 863     roundf
 864     sdl
 865     sdl_video_size
 866     socklen_t
 867     soundcard_h
 868     poll_h
 869     sys_mman_h
 870     sys_resource_h
 871     sys_select_h
 872     sys_soundcard_h
 873     sys_videoio_h
 874     termios_h
 875     threads
 876     winsock2_h
 877     yasm
 878 "
 879
 880 # options emitted with CONFIG_ prefix but not available on command line
 881 CONFIG_EXTRA="
 882     fft_mmx
 883     oldscaler
 884 "
 885
 886 CMDLINE_SELECT="
 887     $ARCH_EXT_LIST
 888     $CONFIG_LIST
 889     $THREADS_LIST
 890     cross_compile
 891     debug
 892     extra_warnings
 893     logging
 894     optimizations
 895     shared
 896     static
 897     stripping
 898 "
 899
 900 PATHS_LIST='
 901     bindir
 902     incdir
 903     libdir
 904     mandir
 905     prefix
 906     shlibdir
 907 '
 908
 909 CMDLINE_SET="
 910     $PATHS_LIST
 911     arch
 912     build_suffix
 913     cc
 914     cpu
 915     cross_prefix
 916     extra_version
 917     host_cc
 918     host_cflags
 919     host_ldflags
 920     host_libs
 921     logfile
 922     source_path
 923     target_exec
 924     target_os
 925     target_path
 926 "
 927
 928 # code dependency declarations
 929
 930 # architecture extensions
 931 altivec_deps="powerpc"
 932 armv5te_deps="armv4l"
 933 armv6_deps="armv4l"
 934 armvfp_deps="armv4l"
 935 iwmmxt_deps="armv4l"
 936 mmi_deps="mips"
 937 mmx_deps="x86"
 938 mmx2_deps="x86 mmx"
 939 neon_deps="armv4l"
 940 ssse3_deps="x86"
 941 vis_deps="sparc"
 942
 943 # common features
 944 fft_suggest="fft_mmx"
 945 fft_mmx_deps="mmx yasm"
 946 oldscaler_deps="!swscale"
 947
 948 # decoders / encoders
 949 aac_decoder_select="fft mdct"
 950 ac3_decoder_deps="gpl"
 951 ac3_decoder_select="fft mdct"
 952 atrac3_decoder_select="fft mdct"
 953 cavs_decoder_select="golomb"
 954 cook_decoder_select="fft mdct"
 955 cscd_decoder_suggest="zlib"
 956 dca_decoder_select="fft mdct"
 957 dnxhd_encoder_select="aandct"
 958 dxa_decoder_select="zlib"
 959 eac3_decoder_deps="gpl"
 960 eac3_decoder_select="fft mdct"
 961 eatgq_decoder_select="aandct"
 962 ffv1_decoder_select="golomb"
 963 flac_decoder_select="golomb"
 964 flac_encoder_select="golomb"
 965 flashsv_decoder_select="zlib"
 966 flashsv_encoder_select="zlib"
 967 flv_encoder_select="aandct"
 968 h261_encoder_select="aandct"
 969 h263_encoder_select="aandct"
 970 h263p_encoder_select="aandct"
 971 h264_decoder_select="golomb"
 972 imc_decoder_select="fft mdct"
 973 jpegls_decoder_select="golomb"
 974 jpegls_encoder_select="golomb"
 975 ljpeg_encoder_select="aandct"
 976 loco_decoder_select="golomb"
 977 mjpeg_encoder_select="aandct"
 978 mpeg1video_encoder_select="aandct"
 979 mpeg2video_encoder_select="aandct"
 980 mpeg4_encoder_select="aandct"
 981 msmpeg4v1_encoder_select="aandct"
 982 msmpeg4v2_encoder_select="aandct"
 983 msmpeg4v3_encoder_select="aandct"
 984 mpeg_xvmc_decoder_deps="xvmc"
 985 nellymoser_decoder_select="fft mdct"
 986 nellymoser_encoder_select="fft mdct"
 987 png_decoder_select="zlib"
 988 png_encoder_select="zlib"
 989 qdm2_decoder_select="fft mdct"
 990 rv10_encoder_select="aandct"
 991 rv20_encoder_select="aandct"
 992 shorten_decoder_select="golomb"
 993 sonic_decoder_select="golomb"
 994 sonic_encoder_select="golomb"
 995 sonic_ls_encoder_select="golomb"
 996 svq3_decoder_select="golomb"
 997 svq3_decoder_suggest="zlib"
 998 tiff_decoder_suggest="zlib"
 999 tiff_encoder_suggest="zlib"
1000 tscc_decoder_select="zlib"
1001 vorbis_decoder_select="fft mdct"
1002 vorbis_encoder_select="fft mdct"
1003 wmav1_decoder_select="fft mdct"
1004 wmav1_encoder_select="fft mdct"
1005 wmav2_decoder_select="fft mdct"
1006 wmav2_encoder_select="fft mdct"
1007 wmv1_encoder_select="aandct"
1008 wmv2_encoder_select="aandct"
1009 zlib_decoder_select="zlib"
1010 zlib_encoder_select="zlib"
1011 zmbv_decoder_select="zlib"
1012 zmbv_encoder_select="zlib"
1013
1014 # external libraries
1015 libamr_nb_decoder_deps="libamr_nb"
1016 libamr_nb_encoder_deps="libamr_nb"
1017 libamr_wb_decoder_deps="libamr_wb"
1018 libamr_wb_encoder_deps="libamr_wb"
1019 libdirac_decoder_deps="libdirac !libschroedinger"
1020 libdirac_encoder_deps="libdirac"
1021 libfaac_encoder_deps="libfaac"
1022 libfaad_decoder_deps="libfaad"
1023 libfaadbin_decoder_extralibs='$ldl'
1024 libgsm_decoder_deps="libgsm"
1025 libgsm_encoder_deps="libgsm"
1026 libgsm_ms_decoder_deps="libgsm"
1027 libgsm_ms_encoder_deps="libgsm"
1028 libmp3lame_encoder_deps="libmp3lame"
1029 libschroedinger_decoder_deps="libschroedinger"
1030 libschroedinger_encoder_deps="libschroedinger"
1031 libspeex_decoder_deps="libspeex"
1032 libtheora_encoder_deps="libtheora"
1033 libvorbis_encoder_deps="libvorbis"
1034 libx264_encoder_deps="libx264"
1035 libxvid_encoder_deps="libxvid"
1036 mpeg4aac_decoder_deps="libfaad"
1037
1038 # demuxers / muxers
1039 ac3_demuxer_deps="ac3_parser"
1040 audio_beos_demuxer_deps="audio_beos"
1041 audio_beos_demuxer_extralibs="-lmedia -lbe"
1042 audio_beos_muxer_deps="audio_beos"
1043 audio_beos_muxer_extralibs="-lmedia -lbe"
1044 avisynth_demuxer_deps="avisynth"
1045 bktr_demuxer_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
1046 dirac_demuxer_deps="dirac_parser"
1047 dv1394_demuxer_deps="dv1394 dv_demuxer"
1048 libdc1394_demuxer_deps="libdc1394"
1049 libnut_demuxer_deps="libnut"
1050 libnut_muxer_deps="libnut"
1051 matroska_demuxer_suggest="zlib bzlib"
1052 mov_demuxer_suggest="zlib"
1053 mp3_demuxer_deps="mpegaudio_parser"
1054 oss_demuxer_deps_any="soundcard_h sys_soundcard_h"
1055 oss_muxer_deps_any="soundcard_h sys_soundcard_h"
1056 redir_demuxer_deps="network"
1057 rtp_muxer_deps="network rtp_protocol"
1058 rtsp_demuxer_deps="sdp_demuxer"
1059 sdp_demuxer_deps="rtp_protocol mpegts_demuxer"
1060 v4l_demuxer_deps="linux_videodev_h"
1061 v4l2_demuxer_deps_any="linux_videodev2_h sys_videoio_h"
1062 vfwcap_demuxer_deps="capCreateCaptureWindow"
1063 vfwcap_demuxer_extralibs="-lvfw32"
1064 x11_grab_device_demuxer_deps="x11grab XShmCreateImage"
1065 x11_grab_device_demuxer_extralibs="-lX11 -lXext"
1066
1067 # protocols
1068 http_protocol_deps="network"
1069 rtp_protocol_deps="udp_protocol"
1070 tcp_protocol_deps="network"
1071 udp_protocol_deps="network"
1072
1073 # filters
1074 movie_filter_deps="avfilter_lavf"
1075
1076 # programs
1077 ffplay_deps="sdl"
1078 ffserver_deps="ffm_muxer rtp_protocol rtsp_demuxer"
1079 ffserver_extralibs='$ldl'
1080 vhook_extralibs='$ldl'
1081
1082
1083 # default parameters
1084
1085 logfile="config.err"
1086
1087 # installation paths
1088 prefix_default="/usr/local"
1089 bindir_default='${prefix}/bin'
1090 incdir_default='${prefix}/include'
1091 libdir_default='${prefix}/lib'
1092 mandir_default='${prefix}/share/man'
1093 shlibdir_default="$libdir_default"
1094
1095 # toolchain
1096 cc_default="gcc"
1097 host_cc_default="gcc"
1098 yasmexe="yasm"
1099 ar="ar"
1100 nm="nm"
1101 ranlib="ranlib"
1102 strip="strip"
1103 asmalign_pot="unknown"
1104 ln_s="ln -sf"
1105 objformat="elf"
1106
1107 # machine
1108 arch=`uname -m`
1109 cpu="generic"
1110
1111 # OS
1112 target_os=$(tolower $(uname -s))
1113
1114 # configurable options
1115 enable debug
1116 enable ffmpeg
1117 enable ffplay
1118 enable ffserver
1119 enable ipv6
1120 enable mpegaudio_hp
1121 enable network
1122 enable oldscaler
1123 enable optimizations
1124 enable protocols
1125 enable static
1126 enable stripping
1127 vhook="default"
1128
1129 # build settings
1130 add_cflags -D_ISOC99_SOURCE -D_POSIX_C_SOURCE=200112
1131 SHFLAGS='-shared -Wl,-soname,$$(@F)'
1132 VHOOKSHFLAGS='$(SHFLAGS)'
1133 FFSERVERLDFLAGS=-Wl,-E
1134 LIBPREF="lib"
1135 LIBSUF=".a"
1136 FULLNAME='$(NAME)$(BUILDSUF)'
1137 LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
1138 SLIBPREF="lib"
1139 SLIBSUF=".so"
1140 SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
1141 SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
1142 SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
1143 LIB_INSTALL_EXTRA_CMD='$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
1144
1145 host_cflags='-O3 -g -Wall'
1146 host_libs='-lm'
1147
1148 target_path='.'
1149
1150 # gcc stupidly only outputs the basename of targets with -MM, but we need the
1151 # full relative path for objects in subdirectories for non-recursive Make.
1152 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,"'
1153
1154 # find source path
1155 source_path="`dirname \"$0\"`"
1156 enable source_path_used
1157 if test -z "$source_path" -o "$source_path" = "." ; then
1158     source_path="`pwd`"
1159     disable source_path_used
1160 else
1161     source_path="`cd \"$source_path\"; pwd`"
1162     echo "$source_path" | grep -q '[[:blank:]]' &&
1163         die "Out of tree builds are impossible with whitespace in source path."
1164 fi
1165
1166 FFMPEG_CONFIGURATION="$@"
1167
1168 find_things(){
1169     thing=$1
1170     pattern=$2
1171     file=$source_path/$3
1172     sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
1173 }
1174
1175 ENCODER_LIST=$(find_things  encoder  ENC      libavcodec/allcodecs.c)
1176 DECODER_LIST=$(find_things  decoder  DEC      libavcodec/allcodecs.c)
1177 PARSER_LIST=$(find_things   parser   PARSER   libavcodec/allcodecs.c)
1178 BSF_LIST=$(find_things      bsf      BSF      libavcodec/allcodecs.c)
1179 MUXER_LIST=$(find_things    muxer    _MUX     libavformat/allformats.c)
1180 DEMUXER_LIST=$(find_things  demuxer  DEMUX    libavformat/allformats.c)
1181 OUTDEV_LIST=$(find_things   muxer    _MUX     libavdevice/alldevices.c)
1182 INDEV_LIST=$(find_things    demuxer  DEMUX    libavdevice/alldevices.c)
1183 PROTOCOL_LIST=$(find_things protocol PROTOCOL libavformat/allformats.c)
1184 FILTER_LIST=$(find_things   filter   FILTER   libavfilter/allfilters.c)
1185
1186 enable $ARCH_EXT_LIST \
1187        $DECODER_LIST \
1188        $ENCODER_LIST \
1189        $PARSER_LIST \
1190        $BSF_LIST \
1191        $DEMUXER_LIST \
1192        $MUXER_LIST \
1193        $FILTER_LIST \
1194        $PROTOCOL_LIST \
1195        $INDEV_LIST \
1196        $OUTDEV_LIST \
1197
1198 die_unknown(){
1199     echo "Unknown option \"$1\"."
1200     echo "See $0 --help for available options."
1201     exit 1
1202 }
1203
1204 show_list() {
1205     suffix=_$1
1206     shift
1207     echo $* | sed s/$suffix//g | tr ' ' '\n' | sort
1208     exit 0
1209 }
1210
1211 for opt do
1212     optval="${opt#*=}"
1213     case "$opt" in
1214     --extra-cflags=*) add_cflags "$optval"
1215     ;;
1216     --extra-ldflags=*) add_ldflags "$optval"
1217     ;;
1218     --extra-libs=*) add_extralibs "$optval"
1219     ;;
1220     --disable-devices) disable $INDEV_LIST $OUTDEV_LIST
1221     ;;
1222     --enable-debug=*) debuglevel="$optval"
1223     ;;
1224     --enable-*=*|--disable-*=*)
1225     eval `echo "$opt" | sed 's/=/-/;s/--/action=/;s/-/ thing=/;s/-/ name=/'`
1226     case "$thing" in
1227         encoder|decoder|muxer|demuxer|parser|bsf|protocol|filter) $action ${optval}_${thing} ;;
1228         *) die_unknown "$opt" ;;
1229     esac
1230     ;;
1231     --enable-?*|--disable-?*)
1232     eval `echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g'`
1233     if is_in $option $COMPONENT_LIST; then
1234         eval $action \$$(toupper ${option%s})_LIST
1235     elif is_in $option $CMDLINE_SELECT; then
1236         $action $option
1237     else
1238         die_unknown $opt
1239     fi
1240     ;;
1241     --list-*)
1242         NAME="${opt#--list-}"
1243         is_in $NAME $COMPONENT_LIST || die_unknown $opt
1244         NAME=${NAME%s}
1245         eval show_list $NAME \$$(toupper $NAME)_LIST
1246     ;;
1247     --help|-h) show_help
1248     ;;
1249     *)
1250     optname="${opt%%=*}"
1251     optname="${optname#--}"
1252     optname=$(echo "$optname" | sed 's/-/_/g')
1253     is_in $optname $CMDLINE_SET || die_unknown $opt
1254     eval $optname='$optval'
1255     ;;
1256     esac
1257 done
1258
1259 disabled logging && logfile=/dev/null
1260
1261 echo "# $0 $@" > $logfile
1262 set >> $logfile
1263
1264 test -n "$cross_prefix" && enable cross_compile
1265
1266 cc_default="${cross_prefix}${cc_default}"
1267 yasmexe="${cross_prefix}${yasmexe}"
1268 ar="${cross_prefix}${ar}"
1269 nm="${cross_prefix}${nm}"
1270 ranlib="${cross_prefix}${ranlib}"
1271 strip="${cross_prefix}${strip}"
1272
1273 set_default cc
1274 enabled cross_compile || host_cc_default=$cc
1275 set_default host_cc
1276
1277 # set temporary file name
1278 if test ! -z "$TMPDIR" ; then
1279     TMPDIR1="${TMPDIR}"
1280 elif test ! -z "$TEMPDIR" ; then
1281     TMPDIR1="${TEMPDIR}"
1282 else
1283     TMPDIR1="/tmp"
1284 fi
1285
1286 TMPC="${TMPDIR1}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}.c"
1287 TMPE="${TMPDIR1}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}${EXESUF}"
1288 TMPH="${TMPDIR1}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}.h"
1289 TMPO="${TMPDIR1}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}.o"
1290 TMPS="${TMPDIR1}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}.S"
1291 TMPSH="${TMPDIR1}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}.sh"
1292
1293 check_cflags -std=c99
1294
1295 case "$arch" in
1296     i386|i486|i586|i686|i86pc|BePC)
1297         arch="x86_32"
1298         enable fast_unaligned
1299     ;;
1300     x86_64|amd64)
1301         arch="x86_32"
1302         enable cmov
1303         enable fast_cmov
1304         enable fast_unaligned
1305         check_cc <<EOF && enable fast_64bit && arch="x86_64"
1306         int test[sizeof(char*) - 7];
1307 EOF
1308     ;;
1309     # armv4l is a subset of armv[567]*l
1310     arm|armv[4567]*l)
1311         arch="armv4l"
1312     ;;
1313     alpha)
1314         arch="alpha"
1315         enable fast_64bit
1316     ;;
1317     "Power Macintosh"|ppc|powerpc)
1318         arch="powerpc"
1319         enable fast_unaligned
1320     ;;
1321     ppc64)
1322         arch="powerpc"
1323         enable fast_64bit
1324         enable fast_unaligned
1325     ;;
1326     mips|mipsel|IP*)
1327         arch="mips"
1328     ;;
1329     sun4u|sparc64)
1330         arch="sparc64"
1331         enable fast_64bit
1332     ;;
1333     sparc)
1334         arch="sparc"
1335     ;;
1336     sh4)
1337         arch="sh4"
1338     ;;
1339     parisc)
1340         arch="parisc"
1341     ;;
1342     parisc64)
1343         arch="parisc"
1344         enable fast_64bit
1345     ;;
1346     s390|s390x)
1347         arch="s390"
1348     ;;
1349     m68k)
1350         arch="m68k"
1351     ;;
1352     ia64)
1353         arch="ia64"
1354         enable fast_64bit
1355     ;;
1356     bfin)
1357         arch="bfin"
1358     ;;
1359     *)
1360         arch="unknown"
1361     ;;
1362 esac
1363
1364 enable $arch
1365 enabled_any x86_32 x86_64 && enable x86
1366 enabled     sparc64       && enable sparc
1367
1368 # OS specific
1369 case $target_os in
1370     beos|haiku|zeta)
1371         prefix_default="$HOME/config"
1372         # helps building libavcodec
1373         add_cflags "-DPIC -fomit-frame-pointer"
1374         # 3 gcc releases known for BeOS, each with ugly bugs
1375         gcc_version="`$cc -v 2>&1 | grep version | cut -d ' ' -f3-`"
1376         case "$gcc_version" in
1377           2.9-beos-991026*|2.9-beos-000224*) echo "R5/GG gcc"
1378             disable mmx
1379             ;;
1380           *20010315*) echo "BeBits gcc"
1381             add_cflags "-fno-expensive-optimizations"
1382             ;;
1383         esac
1384         SHFLAGS=-nostart
1385         # enable BeOS things
1386         enable audio_beos
1387         # no need for libm, but the inet stuff
1388         # Check for BONE
1389         # XXX: actually should check for NOT net_server
1390         if echo $BEINCLUDES | grep -q 'headers/be/bone'; then
1391             network_extralibs="-lbind -lsocket"
1392         else
1393             enable beos_netserver
1394             network_extralibs="-lnet"
1395         fi ;;
1396     sunos)
1397         FFSERVERLDFLAGS=""
1398         SHFLAGS='-shared -Wl,-h,$$(@F)'
1399         network_extralibs="-lsocket -lnsl"
1400         ;;
1401     netbsd)
1402         oss_demuxer_extralibs="-lossaudio"
1403         oss_muxer_extralibs="-lossaudio"
1404         ;;
1405     openbsd)
1406         disable need_memalign
1407         LIBOBJFLAGS='$(PIC)'
1408         SHFLAGS='-shared'
1409         SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF).$(LIBVERSION)'
1410         SLIBNAME_WITH_VERSION='$(SLIBNAME)'
1411         SLIBNAME_WITH_MAJOR='$(SLIBNAME)'
1412         oss_demuxer_extralibs="-lossaudio"
1413         oss_muxer_extralibs="-lossaudio"
1414         ;;
1415     freebsd)
1416         disable need_memalign
1417         ;;
1418     bsd/os)
1419         osextralibs="-lpoll -lgnugetopt"
1420         strip="strip -d"
1421         ;;
1422     darwin)
1423         disable need_memalign
1424         SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(SHLIBDIR)/$(SLIBNAME),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR) -Wl,-read_only_relocs,suppress'
1425         VHOOKSHFLAGS='-dynamiclib -Wl,-single_module -flat_namespace -undefined suppress -Wl,-install_name,$(SHLIBDIR)/vhook/$$(@F)'
1426         strip="strip -x"
1427         FFLDFLAGS="-Wl,-dynamic,-search_paths_first"
1428         SLIBSUF=".dylib"
1429         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'
1430         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'
1431         FFSERVERLDFLAGS=-Wl,-bind_at_load
1432         objformat="macho"
1433         enabled x86_64 && objformat="macho64"
1434         ;;
1435     mingw32*)
1436         target_os=mingw32
1437         LIBTARGET=i386
1438         if test $arch = x86_64; then
1439             disable need_memalign
1440             LIBTARGET=x64
1441         fi
1442         shlibdir_default="$bindir_default"
1443         VHOOKSHFLAGS='-shared -L$(BUILD_ROOT)/libavformat -L$(BUILD_ROOT)/libavcodec -L$(BUILD_ROOT)/libavutil'
1444         VHOOKLIBS='-lavformat$(BUILDSUF) -lavcodec$(BUILDSUF) -lavutil$(BUILDSUF) $(EXTRALIBS)'
1445         if enabled swscale; then
1446             VHOOKSHFLAGS="$VHOOKSHFLAGS -L\$(BUILD_ROOT)/libswscale"
1447             VHOOKLIBS="$VHOOKLIBS -lswscale\$(BUILDSUF)"
1448         fi
1449         disable ffserver
1450         SLIBPREF=""
1451         SLIBSUF=".dll"
1452         EXESUF=".exe"
1453         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
1454         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
1455         SLIB_EXTRA_CMD='-lib /machine:$(LIBTARGET) /def:$$(@:$(SLIBSUF)=.def) /out:$(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib)'
1456         SLIB_INSTALL_EXTRA_CMD='-install -m 644 $(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib) "$(SHLIBDIR)/$(SLIBNAME:$(SLIBSUF)=.lib)"; \
1457             install -m 644 $(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib) "$(SHLIBDIR)/$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib)"'
1458         SLIB_UNINSTALL_EXTRA_CMD='rm -f "$(SHLIBDIR)/$(SLIBNAME:$(SLIBSUF)=.lib)"'
1459         SHFLAGS='-shared -Wl,--output-def,$$(@:$(SLIBSUF)=.def) -Wl,--enable-runtime-pseudo-reloc -Wl,--enable-auto-image-base'
1460         objformat="win32"
1461         enable dos_paths
1462         check_cpp_condition _mingw.h "(__MINGW32_MAJOR_VERSION > 3) || (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" ||
1463             die "ERROR: MinGW runtime version must be >= 3.15."
1464         enabled_any avisynth vfwcap_demuxer &&
1465             { check_cpp_condition w32api.h "(__W32API_MAJOR_VERSION > 3) || (__W32API_MAJOR_VERSION == 3 && __W32API_MINOR_VERSION >= 13)" ||
1466               die "ERROR: avisynth and vfwcap_demuxer require w32api version 3.13 or later."; }
1467         ;;
1468     cygwin*)
1469         target_os=cygwin
1470         shlibdir_default="$bindir_default"
1471         VHOOKSHFLAGS='-shared -L$(BUILD_ROOT)/libavformat -L$(BUILD_ROOT)/libavcodec -L$(BUILD_ROOT)/libavutil'
1472         VHOOKLIBS='-lavformat$(BUILDSUF) -lavcodec$(BUILDSUF) -lavutil$(BUILDSUF) $(EXTRALIBS)'
1473         if enabled swscale; then
1474             VHOOKSHFLAGS="$VHOOKSHFLAGS -L\$(BUILD_ROOT)/libswscale"
1475             VHOOKLIBS="$VHOOKLIBS -lswscale\$(BUILDSUF)"
1476         fi
1477         EXESUF=".exe"
1478         SLIBPREF="cyg"
1479         SLIBSUF=".dll"
1480         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
1481         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
1482         SHFLAGS='-shared -Wl,--enable-auto-image-base'
1483         objformat="win32"
1484         enable dos_paths
1485         ;;
1486     *-dos|freedos|opendos)
1487         disable ffplay ffserver vhook
1488         disable $INDEV_LIST $OUTDEV_LIST
1489         network_extralibs="-lsocket"
1490         EXESUF=".exe"
1491         objformat="win32"
1492         enable dos_paths
1493         ;;
1494     linux)
1495         enable dv1394
1496         ;;
1497     irix*)
1498         target_os=irix
1499         ranlib="echo ignoring ranlib"
1500         ;;
1501     os/2*)
1502         strip="lxlite"
1503         ln_s="cp -f"
1504         EXESUF=".exe"
1505         FFLDFLAGS="-Zomf -Zbin-files -Zargs-wild -Zmap"
1506         SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'
1507         FFSERVERLDFLAGS=""
1508         LIBSUF="_s.a"
1509         SLIBPREF=""
1510         SLIBSUF=".dll"
1511         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
1512         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(NAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'
1513         SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(NAME).def; \
1514           echo PROTMODE >> $(SUBDIR)$(NAME).def; \
1515           echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(NAME).def; \
1516           echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(NAME).def; \
1517           echo EXPORTS >> $(SUBDIR)$(NAME).def; \
1518           emxexp -o $(OBJS) >> $(SUBDIR)$(NAME).def'
1519         SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(NAME).def; \
1520           emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib $(SUBDIR)$(NAME).def;'
1521         SLIB_INSTALL_EXTRA_CMD='install -m 644 $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib "$(LIBDIR)"'
1522         SLIB_UNINSTALL_EXTRA_CMD='rm -f "$(LIBDIR)"/$(LIBPREF)$(NAME)_dll.a "$(LIBDIR)"/$(LIBPREF)$(NAME)_dll.lib'
1523         disable vhook
1524         enable dos_paths
1525         ;;
1526     interix)
1527         disable vhook
1528         ;;
1529
1530     *)
1531         target_os="${target_os}-UNKNOWN"
1532         ;;
1533 esac
1534
1535 set_default $PATHS_LIST
1536
1537 add_extralibs $osextralibs
1538
1539 # Combine FFLDFLAGS and the LDFLAGS environment variable.
1540 LDFLAGS="$FFLDFLAGS $LDFLAGS"
1541
1542 # we need to build at least one lib type
1543 if ! enabled_any static shared; then
1544     cat <<EOF
1545 At least one library type must be built.
1546 Specify --enable-static to build the static libraries or --enable-shared to
1547 build the shared libraries as well. To only build the shared libraries specify
1548 --disable-static in addition to --enable-shared.
1549 EOF
1550     exit 1;
1551 fi
1552
1553 disabled static && LIBNAME=""
1554
1555 if enabled_any libfaad libfaadbin ; then
1556     if check_header faad.h; then
1557         check_cc <<EOF
1558 #include <faad.h>
1559 #ifndef FAAD2_VERSION
1560 ok faad1
1561 #endif
1562 int main(void) { return 0; }
1563 EOF
1564         test $? = 0 && enable libfaad2
1565     else
1566         die "FAAD test failed."
1567     fi
1568 fi
1569
1570
1571 if ! enabled gpl; then
1572     die_gpl_disabled(){
1573         name=$1
1574         shift
1575         enabled_any $@ && die "$name is under GPL and --enable-gpl is not specified."
1576     }
1577     die_gpl_disabled "The Postprocessing code" postproc
1578     die_gpl_disabled "libx264"                 libx264
1579     die_gpl_disabled "libxvidcore"             libxvid
1580     die_gpl_disabled "FAAD2"                   libfaad2
1581     die_gpl_disabled "The X11 grabber"         x11grab
1582     die_gpl_disabled "The software scaler"     swscale
1583 fi
1584
1585 if ! enabled nonfree && enabled_any libamr_nb libamr_wb; then
1586     die "libamr is nonfree and --enable-nonfree is not specified."
1587 fi
1588
1589 check_deps $ARCH_EXT_LIST
1590
1591 test -z "$need_memalign" && need_memalign="$mmx"
1592
1593 #Darwin CC versions
1594 if test $target_os = darwin; then
1595     if $cc -v 2>&1 | grep -q xlc; then
1596         add_cflags "-qpdf2 -qlanglvl=extc99 -qmaxmem=-1 -qarch=auto -qtune=auto"
1597     else
1598         add_cflags "-pipe"
1599         check_cflags "-force_cpusubtype_ALL"
1600         check_cflags "-Wno-sign-compare"
1601         enabled shared || check_cflags -mdynamic-no-pic
1602     fi
1603 fi
1604
1605 disabled optimizations || check_cflags -fomit-frame-pointer
1606
1607 # Add processor-specific flags
1608 if test $cpu != "generic"; then
1609     warn_altivec(){
1610         $1 altivec && echo "WARNING: Tuning for $2 but AltiVec $1.";
1611     }
1612     case $cpu in
1613         601|ppc601|PowerPC601)
1614             add_cflags "-mcpu=601"
1615             warn_altivec enabled PPC601
1616         ;;
1617         603*|ppc603*|PowerPC603*)
1618             add_cflags "-mcpu=603"
1619             warn_altivec enabled PPC603
1620         ;;
1621         604*|ppc604*|PowerPC604*)
1622             add_cflags "-mcpu=604"
1623             warn_altivec enabled PPC604
1624         ;;
1625         G3|g3|75*|ppc75*|PowerPC75*)
1626             add_cflags "-mcpu=750 -mpowerpc-gfxopt"
1627             warn_altivec enabled PPC75x
1628         ;;
1629         G4|g4|745*|ppc745*|PowerPC745*)
1630             add_cflags "-mcpu=7450 -mpowerpc-gfxopt"
1631             warn_altivec disabled PPC745x
1632         ;;
1633         74*|ppc74*|PowerPC74*)
1634             add_cflags "-mcpu=7400 -mpowerpc-gfxopt"
1635             warn_altivec disabled PPC74xx
1636         ;;
1637         G5|g5|970|ppc970|PowerPC970|power4*|Power4*)
1638             add_cflags "-mcpu=970 -mpowerpc-gfxopt -mpowerpc64"
1639             warn_altivec disabled PPC970
1640             enable ppc64
1641         ;;
1642         Cell|CELL|cell)
1643             add_cflags "-mcpu=cell"
1644             warn_altivec disabled Cell
1645             enable ppc64
1646         ;;
1647         # targets that do NOT support conditional mov (cmov)
1648         i[345]86|pentium|pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
1649             add_cflags "-march=$cpu"
1650             disable cmov
1651         ;;
1652         # targets that do support conditional mov (cmov)
1653         i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64|k8|opteron|athlon-fx|core2)
1654             add_cflags "-march=$cpu"
1655             enable cmov
1656             enable fast_cmov
1657         ;;
1658         # targets that do support conditional mov but on which it's slow
1659         pentium4|pentium4m|prescott|nocona)
1660             add_cflags "-march=$cpu"
1661             enable cmov
1662             disable fast_cmov
1663         ;;
1664         sparc64)
1665             add_cflags "-mcpu=v9"
1666         ;;
1667         arm11*|cortex*)
1668             add_cflags "-mcpu=$cpu"
1669             enable fast_unaligned
1670         ;;
1671         armv*)
1672             add_cflags "-march=$cpu"
1673         ;;
1674         arm*)
1675             add_cflags "-mcpu=$cpu"
1676         ;;
1677         *)
1678             echo "WARNING: Unknown CPU \"$cpu\", ignored."
1679         ;;
1680     esac
1681 fi
1682
1683 # make sure we can execute files in $TMPDIR
1684 cat > $TMPSH 2>> $logfile <<EOF
1685 #! /bin/sh
1686 EOF
1687 chmod +x $TMPSH >> $logfile 2>&1
1688 if ! $TMPSH >> $logfile 2>&1; then
1689     cat <<EOF
1690 Unable to create and execute files in $TMPDIR1.  Set the TMPDIR environment
1691 variable to another directory and make sure that $TMPDIR1 is not mounted
1692 noexec.
1693 EOF
1694     die "Sanity test failed."
1695 fi
1696 rm $TMPSH
1697
1698 # compiler sanity check
1699 check_exec <<EOF
1700 int main(void){ return 0; }
1701 EOF
1702 if test "$?" != 0; then
1703     echo "$cc is unable to create an executable file."
1704     if test -z "$cross_prefix" && ! enabled cross_compile ; then
1705         echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
1706         echo "Only do this if you know what cross compiling means."
1707     fi
1708     die "C compiler test failed."
1709 fi
1710
1711 check_cc <<EOF || die "Symbol mangling check failed."
1712 int ff_extern;
1713 EOF
1714 sym=$($nm -P -g $TMPO | grep ff_extern)
1715 extern_prefix=${sym%%ff_extern*}
1716
1717 check_asm inline_asm '""'
1718
1719 if enabled x86; then
1720     # check whether EBP is available on x86
1721     # As 'i' is stored on the stack, this program will crash
1722     # if the base pointer is used to access it because the
1723     # base pointer is cleared in the inline assembly code.
1724     check_exec_crash <<EOF && enable ebp_available
1725     volatile int i=0;
1726     __asm__ volatile (
1727         "xorl %%ebp, %%ebp"
1728     ::: "%ebp");
1729     return i;
1730 EOF
1731
1732     # check wether EBX is available on x86
1733     check_asm ebx_available '"":::"%ebx"'
1734
1735     # check whether binutils is new enough to compile SSSE3/MMX2
1736     enabled ssse3 && check_asm ssse3 '"pabsw %xmm0, %xmm0"'
1737     enabled mmx2  && check_asm mmx2  '"movss %xmm0, %xmm0"'
1738
1739     check_asm bswap '"bswap %%eax" ::: "%eax"'
1740
1741     YASMFLAGS="-f $objformat -DARCH_$(toupper $arch)"
1742     enabled     x86_64        && append YASMFLAGS "-m amd64"
1743     enabled_all x86_64 shared && append YASMFLAGS "-DPIC"
1744     case "$objformat" in
1745         elf) enabled debug && append YASMFLAGS "-g dwarf2" ;;
1746         macho64)              append YASMFLAGS "-DPIC -DPREFIX" ;;
1747         *)                    append YASMFLAGS "-DPREFIX"  ;;
1748     esac
1749     check_yasm "pabsw xmm0, xmm0" && enable yasm
1750 fi
1751
1752 # check for assembler specific support
1753
1754 if test $arch = "powerpc"; then
1755     check_asm dcbzl '"dcbzl 0, 1"'
1756 fi
1757
1758 # check for SIMD availability
1759
1760 # AltiVec flags: The FSF version of GCC differs from the Apple version
1761 if enabled altivec; then
1762     check_cflags -maltivec -mabi=altivec &&
1763         { check_header altivec.h && inc_altivec_h="#include <altivec.h>" ; } ||
1764         check_cflags -faltivec
1765
1766     # check if our compiler supports Motorola AltiVec C API
1767     check_cc <<EOF || disable altivec
1768 $inc_altivec_h
1769 int main(void) {
1770     vector signed int v1, v2, v3;
1771     v1 = vec_add(v2,v3);
1772     return 0;
1773 }
1774 EOF
1775
1776     # check if our compiler supports braces for vector declarations
1777     check_cc <<EOF || die "You need a compiler that supports {} in AltiVec vector declarations."
1778 $inc_altivec_h
1779 int main (void) { (vector int) {1}; return 0; }
1780 EOF
1781 fi
1782
1783 # We have to check if pld is a nop and disable it.
1784 enabled armv4l  && check_asm pld     '"pld [r0]"'
1785 enabled armv5te && check_asm armv5te '"qadd r0, r0, r0"'
1786 enabled armv6   && check_asm armv6   '"sadd16 r0, r0, r0"'
1787 enabled armvfp  && check_asm armvfp  '"fadds s0, s0, s0"'
1788 enabled iwmmxt  && check_asm iwmmxt  '"wunpckelub wr6, wr4"'
1789 enabled mmi     && check_asm mmi     '"lq $2, 0($2)"'
1790 enabled neon    && check_asm neon    '"vadd.i16 q0, q0, q0"'
1791 enabled vis     && check_asm vis     '"pdist %f0, %f0, %f0"' -mcpu=ultrasparc
1792
1793 enabled vis && add_cflags "-mcpu=ultrasparc -mtune=ultrasparc"
1794
1795 # ---
1796 # big/little-endian test
1797 check_cc <<EOF || die "endian test failed"
1798 unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';
1799 EOF
1800 od -A n -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian
1801
1802 # ---
1803 # check availability of some header files
1804
1805 if check_func dlopen; then
1806     ldl=
1807 elif check_func dlopen -ldl; then
1808     ldl=-ldl
1809 fi
1810
1811 check_func  fork
1812 check_func  gethrtime
1813 check_func  getrusage
1814 check_func  inet_aton $network_extralibs
1815 check_func  memalign
1816 check_func  mkstemp
1817 check_func_headers windows.h GetProcessTimes
1818
1819 check_header conio.h
1820 check_header dlfcn.h
1821 check_header malloc.h
1822 check_header poll.h
1823 check_header sys/mman.h
1824 check_header sys/resource.h
1825 check_header sys/select.h
1826 check_header termios.h
1827
1828 if ! enabled_any memalign memalign_hack && enabled need_memalign ; then
1829     die "Error, no memalign() but SSE enabled, disable it or use --enable-memalign-hack."
1830 fi
1831
1832 disabled  zlib || check_lib   zlib.h      zlibVersion -lz   || disable  zlib
1833 disabled bzlib || check_lib2 bzlib.h BZ2_bzlibVersion -lbz2 || disable bzlib
1834
1835 # check for some common methods of building with pthread support
1836 # do this before the optional library checks as some of them require pthreads
1837 if enabled pthreads; then
1838     if check_func pthread_create; then
1839         :
1840     elif check_func pthread_create -pthread; then
1841         add_cflags -pthread
1842         add_extralibs -pthread
1843     elif check_func pthread_create -pthreads; then
1844         add_cflags -pthreads
1845         add_extralibs -pthreads
1846     elif check_func pthread_create -lpthreadGC2; then
1847         add_extralibs -lpthreadGC2
1848     elif ! check_lib pthread.h pthread_create -lpthread; then
1849         die "ERROR: can't find pthreads library"
1850     fi
1851 fi
1852
1853 for thread in $THREADS_LIST; do
1854     if enabled $thread; then
1855         test -n "$thread_type" &&
1856             die "ERROR: Only one thread type must be selected." ||
1857             thread_type="$thread"
1858     fi
1859 done
1860
1861 check_lib math.h sin -lm
1862
1863 # test for C99 functions in math.h
1864 for func in llrint lrint lrintf round roundf; do
1865     check_exec <<EOF && enable $func || disable $func
1866 #include <math.h>
1867 int main(void) { return ($func(3.999f) > 0)?0:1; }
1868 EOF
1869 done
1870
1871 # these are off by default, so fail if requested and not available
1872 enabled avisynth   && require2 vfw32 "windows.h vfw.h" AVIFileInit -lvfw32
1873 enabled libamr_nb  && require  libamrnb amrnb/interf_dec.h Speech_Decode_Frame_init -lamrnb -lm
1874 enabled libamr_wb  && require  libamrwb amrwb/dec_if.h D_IF_init -lamrwb -lm
1875 enabled libdirac   && add_cflags $(pkg-config --cflags dirac) &&
1876                       require  libdirac libdirac_decoder/dirac_parser.h dirac_decoder_init -ldirac_decoder &&
1877                       require  libdirac libdirac_encoder/dirac_encoder.h dirac_encoder_init -ldirac_encoder
1878 enabled libfaac    && require2 libfaac "stdint.h faac.h" faacEncGetVersion -lfaac
1879 enabled libfaad    && require2 libfaad faad.h faacDecOpen -lfaad
1880 enabled libgsm     && require  libgsm gsm.h gsm_create -lgsm
1881 enabled libmp3lame && require  libmp3lame lame/lame.h lame_init -lmp3lame -lm
1882 enabled libnut     && require  libnut libnut.h nut_demuxer_init -lnut
1883 enabled libschroedinger && add_cflags $(pkg-config --cflags schroedinger-1.0) &&
1884                            require libschroedinger schroedinger/schro.h schro_init $(pkg-config --libs schroedinger-1.0)
1885 enabled libspeex   && require  libspeex speex/speex.h speex_decoder_init -lspeex
1886 enabled libtheora  && require  libtheora theora/theora.h theora_info_init -ltheora -logg
1887 enabled libvorbis  && require  libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbisenc -lvorbis -logg
1888 enabled libx264    && require  libx264 x264.h x264_encoder_open -lx264 -lm &&
1889                       { check_cpp_condition x264.h "X264_BUILD >= 65" ||
1890                         die "ERROR: libx264 version must be >= 0.65."; }
1891 enabled libxvid    && require  libxvid xvid.h xvid_global -lxvidcore
1892 enabled mlib       && require  mediaLib mlib_types.h mlib_VectorSub_S16_U8_Mod -lmlib
1893
1894 # libdc1394 check
1895 if enabled libdc1394; then
1896     { check_lib dc1394/dc1394.h dc1394_new -ldc1394 -lraw1394 &&
1897         enable libdc1394_2; } ||
1898     { check_lib libdc1394/dc1394_control.h dc1394_create_handle -ldc1394_control -lraw1394 &&
1899         enable libdc1394_1; } ||
1900     die "ERROR: No version of libdc1394 found "
1901 fi
1902
1903
1904 _restrict=
1905 for restrict_keyword in restrict __restrict__ __restrict; do
1906     check_cc <<EOF && _restrict=$restrict_keyword && break
1907 void foo(char * $restrict_keyword p);
1908 EOF
1909 done
1910
1911 test "$vhook" = "default" && vhook="$dlopen"
1912
1913 if test "$target_os" = cygwin -o "$target_os" = mingw32 && enabled_all static vhook ; then
1914     disable vhook
1915     echo
1916     echo "At the moment vhooks don't work on Cygwin or MinGW static builds."
1917     echo "Patches welcome."
1918     echo
1919 fi
1920
1921 if enabled vhook; then
1922     check_ldflags -rdynamic
1923     check_ldflags -export-dynamic
1924 fi
1925
1926 check_foo_config imlib2 imlib2 Imlib2.h imlib_load_font
1927 check_foo_config freetype2 freetype ft2build.h FT_Init_FreeType
1928
1929 ##########################################
1930 # SDL check
1931
1932 disable sdl_too_old
1933 disable sdl
1934 SDL_CONFIG="${cross_prefix}sdl-config"
1935 if "${SDL_CONFIG}" --version > /dev/null 2>&1; then
1936     sdl_cflags=`"${SDL_CONFIG}" --cflags`
1937     temp_cflags $sdl_cflags
1938     temp_extralibs `"${SDL_CONFIG}" --libs`
1939     if check_lib2 SDL.h SDL_Init; then
1940         _sdlversion=`"${SDL_CONFIG}" --version | sed 's/[^0-9]//g'`
1941         if test "$_sdlversion" -lt 121 ; then
1942             enable sdl_too_old
1943         else
1944             enable sdl
1945             check_cc $sdl_cflags <<EOF && enable sdl_video_size
1946 #include <SDL.h>
1947 int main(int argc, char **argv){
1948     const SDL_VideoInfo *vi = SDL_GetVideoInfo();
1949     int w = vi->current_w;
1950     return 0;
1951 }
1952 EOF
1953         fi
1954     fi
1955     restore_flags
1956 fi
1957
1958 texi2html -version > /dev/null 2>&1 && enable texi2html || disable texi2html
1959
1960 ##########################################
1961 # Network check
1962
1963 if enabled network; then
1964     check_type sys/socket.h socklen_t
1965     # Prefer arpa/inet.h over winsock2
1966     if check_header arpa/inet.h ; then
1967         check_func closesocket
1968     elif check_header winsock2.h ; then
1969         network_extralibs="-lws2_32"
1970         check_type ws2tcpip.h socklen_t
1971         check_func_headers winsock2.h closesocket
1972     fi
1973 fi
1974
1975 ##########################################
1976 # IPv6 check
1977
1978 enabled network && enabled ipv6 && check_ld <<EOF && enable ipv6 || disable ipv6
1979 #include <sys/types.h>
1980 #include <sys/socket.h>
1981 #include <netinet/in.h>
1982 #include <netdb.h>
1983 int main(void) {
1984     struct sockaddr_storage saddr;
1985     struct ipv6_mreq mreq6;
1986     getaddrinfo(0,0,0,0);
1987     getnameinfo(0,0,0,0,0,0,0);
1988     IN6_IS_ADDR_MULTICAST((const struct in6_addr *)0);
1989 }
1990 EOF
1991
1992 check_header linux/videodev.h
1993 check_header linux/videodev2.h
1994 check_header sys/videoio.h
1995
1996 check_func_headers "windows.h vfw.h" capCreateCaptureWindow -lvfw32
1997
1998 # check for ioctl_meteor.h, ioctl_bt848.h and alternatives
1999 { check_header dev/bktr/ioctl_meteor.h &&
2000   check_header dev/bktr/ioctl_bt848.h; } ||
2001 { check_header machine/ioctl_meteor.h &&
2002   check_header machine/ioctl_bt848.h; } ||
2003 { check_header dev/video/meteor/ioctl_meteor.h &&
2004   check_header dev/video/bktr/ioctl_bt848.h; } ||
2005 check_header dev/ic/bt8xx.h
2006
2007 check_header sys/soundcard.h
2008 check_header soundcard.h
2009
2010 # deal with the X11 frame grabber
2011 enabled x11grab                         &&
2012 check_header X11/Xlib.h                 &&
2013 check_header X11/extensions/XShm.h      &&
2014 check_func XOpenDisplay -lX11           &&
2015 check_func XShmCreateImage -lX11 -lXext
2016
2017 enabled debug && add_cflags -g"$debuglevel"
2018
2019 # add some useful compiler flags if supported
2020 check_cflags -Wdeclaration-after-statement
2021 check_cflags -Wall
2022 check_cflags -Wno-switch
2023 check_cflags -Wdisabled-optimization
2024 check_cflags -Wpointer-arith
2025 check_cflags -Wredundant-decls
2026 check_cflags -Wno-pointer-sign
2027 check_cflags -Wcast-qual
2028 check_cflags -Wwrite-strings
2029 check_cflags -Wtype-limits
2030 enabled extra_warnings && check_cflags -Winline
2031
2032 # add some linker flags
2033 check_ldflags -Wl,--warn-common
2034 check_ldflags -Wl,--as-needed
2035 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'
2036 check_ldflags -Wl,-Bsymbolic
2037
2038 if enabled small; then
2039     check_cflags -Os            # not all compilers support -Os
2040     optimizations="small"
2041 elif enabled optimizations; then
2042     if $cc -v 2>&1 | grep -q xlc; then
2043         add_cflags  "-O5"
2044         add_ldflags "-O5"
2045     else
2046         add_cflags "-O3"
2047     fi
2048 fi
2049 check_cflags -fno-math-errno
2050 check_cflags -fno-signed-zeros
2051
2052 # add some flags for Intel C Compiler
2053 if $cc --version 2> /dev/null | grep -q Intel; then
2054   # Just warnings, no remarks
2055   check_cflags -w1
2056   # -wd: Disable following warnings
2057   # 144, 167, 556: -Wno-pointer-sign
2058   # 10006: ignoring unknown option -fno-signed-zeros
2059   # 10156: ignoring option '-W'; no argument required
2060   check_cflags -wd144,167,556,10006,10156
2061   # 11030: Warning unknown option --as-needed
2062   # 10156: ignoring option '-export'; no argument required
2063   check_ldflags -wd10156,11030
2064   # Allow to compile with optimizations
2065   check_ldflags -march=$cpu
2066 fi
2067
2068 # PIC flags for shared library objects where they are needed
2069 if enabled shared; then
2070     # LIBOBJFLAGS may have already been set in the OS configuration
2071     if test -z "$LIBOBJFLAGS" ; then
2072         case "$arch" in
2073             x86_64|ia64|alpha|sparc*|power*|parisc*|mips*) LIBOBJFLAGS='$(PIC)' ;;
2074         esac
2075     fi
2076 fi
2077
2078 if enabled gprof; then
2079     add_cflags  "-p"
2080     add_ldflags "-p"
2081 fi
2082
2083 VHOOKCFLAGS="-fPIC"
2084
2085 # Find out if the .align argument is a power of two or not.
2086 if test $asmalign_pot = "unknown"; then
2087     disable asmalign_pot
2088     echo '__asm__ (".align 3");' | check_cc && enable asmalign_pot
2089 fi
2090
2091 enabled_any $DECODER_LIST      && enable decoders
2092 enabled_any $ENCODER_LIST      && enable encoders
2093 enabled_any $BSF_LIST          && enable bsfs
2094 enabled_any $DEMUXER_LIST      && enable demuxers
2095 enabled_any $MUXER_LIST        && enable muxers
2096 enabled_any $FILTER_LIST       && enable filters
2097 enabled_any $INDEV_LIST        && enable demuxers
2098 enabled_any $OUTDEV_LIST       && enable muxers
2099 enabled_any $PROTOCOL_LIST     && enable protocols
2100
2101 enabled_any $THREADS_LIST      && enable threads
2102
2103 check_deps $CONFIG_LIST       \
2104            $CONFIG_EXTRA      \
2105            $HAVE_LIST         \
2106            $DECODER_LIST      \
2107            $ENCODER_LIST      \
2108            $PARSER_LIST       \
2109            $BSF_LIST          \
2110            $DEMUXER_LIST      \
2111            $MUXER_LIST        \
2112            $FILTER_LIST       \
2113            $INDEV_LIST        \
2114            $OUTDEV_LIST       \
2115            $PROTOCOL_LIST     \
2116
2117 enabled libdc1394 && append pkg_requires "libraw1394"
2118 enabled libdirac  && append pkg_requires "dirac"
2119 enabled libtheora && append pkg_requires "theora"
2120 enabled libvorbis && append pkg_requires "vorbisenc"
2121
2122 echo "install prefix            $prefix"
2123 echo "source path               $source_path"
2124 echo "C compiler                $cc"
2125 echo ".align is power-of-two    $asmalign_pot"
2126 echo "ARCH                      $arch ($cpu)"
2127 if test "$build_suffix" != ""; then
2128     echo "build suffix              $build_suffix"
2129 fi
2130 if test "$extra_version" != ""; then
2131     echo "version string suffix     $extra_version"
2132 fi
2133 echo "big-endian                ${bigendian-no}"
2134 if test $arch = "x86_32" -o $arch = "x86_64"; then
2135     echo "yasm                      ${yasm-no}"
2136     echo "MMX enabled               ${mmx-no}"
2137     echo "CMOV enabled              ${cmov-no}"
2138     echo "CMOV is fast              ${fast_cmov-no}"
2139     echo "EBX available             ${ebx_available-no}"
2140     echo "EBP available             ${ebp_available-no}"
2141 fi
2142 if test $arch = "armv4l"; then
2143     echo "ARMv5TE enabled           ${armv5te-no}"
2144     echo "ARMv6 enabled             ${armv6-no}"
2145     echo "ARM VFP enabled           ${armvfp-no}"
2146     echo "IWMMXT enabled            ${iwmmxt-no}"
2147     echo "NEON enabled              ${neon-no}"
2148 fi
2149 if test $arch = "mips"; then
2150     echo "MMI enabled               ${mmi-no}"
2151 fi
2152 if test $arch = "powerpc"; then
2153     echo "AltiVec enabled           ${altivec-no}"
2154     echo "dcbzl available           ${dcbzl-no}"
2155 fi
2156 echo "gprof enabled             ${gprof-no}"
2157 echo "debug symbols             ${debug-no}"
2158 echo "strip symbols             ${stripping-no}"
2159 echo "optimizations             ${optimizations-no}"
2160 echo "static                    ${static-no}"
2161 echo "shared                    ${shared-no}"
2162 echo "postprocessing support    ${postproc-no}"
2163 echo "software scaler enabled   ${swscale-no}"
2164 echo "new filter support        ${avfilter-no}"
2165 echo "filters using lavformat   ${avfilter_lavf-no}"
2166 echo "video hooking             ${vhook-no}"
2167 if enabled vhook; then
2168     echo "Imlib2 support            ${imlib2-no}"
2169     echo "FreeType support          ${freetype2-no}"
2170 fi
2171 echo "network support           ${network-no}"
2172 if enabled network; then
2173     echo "IPv6 support              ${ipv6-no}"
2174 fi
2175 echo "threading support         ${thread_type-no}"
2176 echo "SDL support               ${sdl-no}"
2177 if enabled sdl_too_old; then
2178     echo "-> Your SDL version is too old - please upgrade to have FFplay/SDL support."
2179 fi
2180 echo "Sun medialib support      ${mlib-no}"
2181 echo "AVISynth enabled          ${avisynth-no}"
2182 echo "libamr-nb support         ${libamr_nb-no}"
2183 echo "libamr-wb support         ${libamr_wb-no}"
2184 echo "libdc1394 support         ${libdc1394-no}"
2185 echo "libdirac enabled          ${libdirac-no}"
2186 echo "libfaac enabled           ${libfaac-no}"
2187 echo "libfaad enabled           ${libfaad-no}"
2188 echo "libfaad dlopened          ${libfaadbin-no}"
2189 echo "libgsm enabled            ${libgsm-no}"
2190 echo "libmp3lame enabled        ${libmp3lame-no}"
2191 echo "libnut enabled            ${libnut-no}"
2192 echo "libschroedinger enabled   ${libschroedinger-no}"
2193 echo "libspeex enabled          ${libspeex-no}"
2194 echo "libtheora enabled         ${libtheora-no}"
2195 echo "libvorbis enabled         ${libvorbis-no}"
2196 echo "libx264 enabled           ${libx264-no}"
2197 echo "libxvid enabled           ${libxvid-no}"
2198 echo "zlib enabled              ${zlib-no}"
2199 echo "bzlib enabled             ${bzlib-no}"
2200 echo
2201
2202 for type in decoder encoder parser demuxer muxer protocol filter bsf indev outdev; do
2203     echo "Enabled ${type}s:"
2204     eval list=\$$(toupper $type)_LIST
2205     for part in $list; do
2206         enabled $part && echo ${part%_*}
2207     done | sort | pr -3 -t
2208     echo
2209 done
2210
2211 license="LGPL"
2212 if enabled nonfree; then
2213     license="unredistributable"
2214 elif enabled gpl; then
2215     license="GPL"
2216 fi
2217
2218 echo "License: $license"
2219
2220 echo "Creating config.mak and config.h..."
2221
2222 echo "# Automatically generated by configure - do not modify!" > config.mak
2223 echo "/* Automatically generated by configure - do not modify! */" > $TMPH
2224 echo "#ifndef FFMPEG_CONFIG_H" >> $TMPH
2225 echo "#define FFMPEG_CONFIG_H" >> $TMPH
2226 echo "#define FFMPEG_CONFIGURATION \"$FFMPEG_CONFIGURATION\"" >> $TMPH
2227
2228 echo "FFMPEG_CONFIGURATION=$FFMPEG_CONFIGURATION" >> config.mak
2229 echo "prefix=$prefix" >> config.mak
2230 echo "LIBDIR=\$(DESTDIR)$libdir" >> config.mak
2231 echo "SHLIBDIR=\$(DESTDIR)$shlibdir" >> config.mak
2232 echo "INCDIR=\$(DESTDIR)$incdir" >> config.mak
2233 echo "BINDIR=\$(DESTDIR)$bindir" >> config.mak
2234 echo "MANDIR=\$(DESTDIR)$mandir" >> config.mak
2235 echo "CC=$cc" >> config.mak
2236 echo "YASM=$yasmexe" >> config.mak
2237 echo "AR=$ar" >> config.mak
2238 echo "RANLIB=$ranlib" >> config.mak
2239 echo "LN_S=$ln_s" >> config.mak
2240 enabled stripping &&
2241     echo "STRIP=$strip" >> config.mak ||
2242     echo "STRIP=echo ignoring strip" >> config.mak
2243
2244 echo "OPTFLAGS=$CFLAGS" >> config.mak
2245 echo "VHOOKCFLAGS=$VHOOKCFLAGS" >> config.mak
2246 echo "LDFLAGS=$LDFLAGS" >> config.mak
2247 echo "FFSERVERLDFLAGS=$FFSERVERLDFLAGS" >> config.mak
2248 echo "SHFLAGS=$SHFLAGS" >> config.mak
2249 echo "YASMFLAGS=$YASMFLAGS" >> config.mak
2250 echo "VHOOKSHFLAGS=$VHOOKSHFLAGS" >> config.mak
2251 echo "VHOOKLIBS=$VHOOKLIBS" >> config.mak
2252 echo "LIBOBJFLAGS=$LIBOBJFLAGS" >> config.mak
2253 echo "BUILD_STATIC=$static" >> config.mak
2254 echo "BUILDSUF=$build_suffix" >> config.mak
2255 echo "FULLNAME=$FULLNAME" >> config.mak
2256 echo "LIBPREF=$LIBPREF" >> config.mak
2257 echo "LIBSUF=$LIBSUF" >> config.mak
2258 echo "LIBNAME=$LIBNAME" >> config.mak
2259 echo "SLIBPREF=$SLIBPREF" >> config.mak
2260 echo "SLIBSUF=$SLIBSUF" >> config.mak
2261 echo "EXESUF=$EXESUF" >> config.mak
2262 echo "EXTRA_VERSION=$extra_version" >> config.mak
2263 echo "DEPEND_CMD=$DEPEND_CMD" >> config.mak
2264 echo "HOSTCC=$host_cc" >> config.mak
2265 echo "HOSTCFLAGS=$host_cflags" >> config.mak
2266 echo "HOSTLDFLAGS=$host_ldflags" >> config.mak
2267 echo "HOSTLIBS=$host_libs" >> config.mak
2268 echo "TARGET_EXEC=$target_exec" >> config.mak
2269 echo "TARGET_PATH=$target_path" >> config.mak
2270
2271 if enabled bigendian; then
2272     echo "WORDS_BIGENDIAN=yes" >> config.mak
2273     echo "#define WORDS_BIGENDIAN 1" >> $TMPH
2274 fi
2275
2276 if enabled sdl; then
2277     echo "SDL_LIBS=`"${SDL_CONFIG}" --libs`" >> config.mak
2278     echo "SDL_CFLAGS=`"${SDL_CONFIG}" --cflags`" >> config.mak
2279 fi
2280 if enabled texi2html; then
2281     echo "BUILD_DOC=yes" >> config.mak
2282 fi
2283
2284 get_version(){
2285     name=$1
2286     file=$source_path/$2
2287     eval $(grep "#define ${name}_VERSION_M" "$file" | awk '{ print $2"="$3 }')
2288     eval ${name}_VERSION=\$${name}_VERSION_MAJOR.\$${name}_VERSION_MINOR.\$${name}_VERSION_MICRO
2289     lcname=$(tolower $name)
2290     eval echo "${lcname}_VERSION=\$${name}_VERSION" >> config.mak
2291     eval echo "${lcname}_VERSION_MAJOR=\$${name}_VERSION_MAJOR" >> config.mak
2292 }
2293
2294 get_version LIBSWSCALE  libswscale/swscale.h
2295 get_version LIBPOSTPROC libpostproc/postprocess.h
2296 get_version LIBAVCODEC  libavcodec/avcodec.h
2297 get_version LIBAVDEVICE libavdevice/avdevice.h
2298 get_version LIBAVFORMAT libavformat/avformat.h
2299 get_version LIBAVUTIL   libavutil/avutil.h
2300 get_version LIBAVFILTER libavfilter/avfilter.h
2301
2302 if enabled shared; then
2303     echo "BUILD_SHARED=yes" >> config.mak
2304     echo "PIC=-fPIC -DPIC" >> config.mak
2305     echo "LIBTARGET=${LIBTARGET}" >> config.mak
2306     echo "SLIBNAME=${SLIBNAME}" >> config.mak
2307     echo "SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}" >> config.mak
2308     echo "SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}" >> config.mak
2309     echo "SLIB_CREATE_DEF_CMD=${SLIB_CREATE_DEF_CMD}" >> config.mak
2310     echo "SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}" >> config.mak
2311     echo "SLIB_INSTALL_EXTRA_CMD=${SLIB_INSTALL_EXTRA_CMD}" >> config.mak
2312     echo "SLIB_UNINSTALL_EXTRA_CMD=${SLIB_UNINSTALL_EXTRA_CMD}" >> config.mak
2313 fi
2314 echo "LIB_INSTALL_EXTRA_CMD=${LIB_INSTALL_EXTRA_CMD}" >> config.mak
2315 echo "EXTRALIBS=$extralibs" >> config.mak
2316
2317 print_config ARCH_   $TMPH config.mak $ARCH_LIST
2318 print_config HAVE_   $TMPH config.mak $HAVE_LIST
2319 print_config CONFIG_ $TMPH config.mak $CONFIG_LIST       \
2320                                       $CONFIG_EXTRA      \
2321                                       $DECODER_LIST      \
2322                                       $ENCODER_LIST      \
2323                                       $PARSER_LIST       \
2324                                       $BSF_LIST          \
2325                                       $DEMUXER_LIST      \
2326                                       $MUXER_LIST        \
2327                                       $FILTER_LIST       \
2328                                       $PROTOCOL_LIST     \
2329                                       $INDEV_LIST        \
2330                                       $OUTDEV_LIST       \
2331
2332 echo "#define restrict $_restrict" >> $TMPH
2333
2334 if enabled small; then
2335     echo "#define av_always_inline"  >> $TMPH
2336 fi
2337
2338 echo "SRC_PATH=\"$source_path\"" >> config.mak
2339 echo "SRC_PATH_BARE=$source_path" >> config.mak
2340 echo "BUILD_ROOT=\"$PWD\"" >> config.mak
2341
2342 # Apparently it's not possible to portably echo a backslash.
2343 enabled asmalign_pot &&
2344     printf '#define ASMALIGN(ZEROBITS) ".align " #ZEROBITS "\\n\\t"\n' >> $TMPH ||
2345     printf '#define ASMALIGN(ZEROBITS) ".align 1 << " #ZEROBITS "\\n\\t"\n' >> $TMPH
2346
2347 echo "#define EXTERN_PREFIX \"${extern_prefix}\"" >> $TMPH
2348
2349 echo "#endif /* FFMPEG_CONFIG_H */" >> $TMPH
2350
2351 # Do not overwrite an unchanged config.h to avoid superfluous rebuilds.
2352 cmp -s $TMPH config.h &&
2353     echo "config.h is unchanged" ||
2354     mv -f $TMPH config.h
2355
2356 rm -f $TMPC $TMPE $TMPH $TMPO $TMPS $TMPSH
2357
2358 # build tree in object directory if source path is different from current one
2359 if enabled source_path_used; then
2360     DIRS="\
2361         doc               \
2362         libavcodec        \
2363         libavcodec/alpha  \
2364         libavcodec/armv4l \
2365         libavcodec/bfin   \
2366         libavcodec/i386   \
2367         libavcodec/mlib   \
2368         libavcodec/ppc    \
2369         libavcodec/sh4    \
2370         libavcodec/sparc  \
2371         libavdevice       \
2372         libavfilter       \
2373         libavformat       \
2374         libavutil         \
2375         libpostproc       \
2376         libswscale        \
2377         tests             \
2378         tools             \
2379         vhook             \
2380         "
2381     FILES="\
2382         Makefile             \
2383         common.mak           \
2384         subdir.mak           \
2385         doc/texi2pod.pl      \
2386         libavcodec/Makefile  \
2387         libavdevice/Makefile \
2388         libavfilter/Makefile \
2389         libavformat/Makefile \
2390         libavutil/Makefile   \
2391         libpostproc/Makefile \
2392         libswscale/Makefile  \
2393         "
2394     for dir in $DIRS ; do
2395         mkdir -p $dir
2396     done
2397     for f in $FILES ; do
2398         $ln_s "$source_path/$f" $f
2399     done
2400 fi
2401
2402
2403 # build pkg-config files
2404
2405 pkgconfig_generate(){
2406 name=$1
2407 shortname=${name#lib}${build_suffix}
2408 comment=$2
2409 version=$3
2410 libs=$4
2411 requires=$5
2412 cat <<EOF > $name/$name.pc
2413 prefix=$prefix
2414 exec_prefix=\${prefix}
2415 libdir=$libdir
2416 includedir=$incdir
2417
2418 Name: $name
2419 Description: $comment
2420 Version: $version
2421 Requires: $(disabled shared && echo $requires)
2422 Requires.private: $(enabled shared && echo $requires)
2423 Conflicts:
2424 Libs: -L\${libdir} -l${shortname} $(disabled shared && echo $libs)
2425 Libs.private: $(enabled shared && echo $libs)
2426 Cflags: -I\${includedir}
2427 EOF
2428 cat <<EOF > $name/$name-uninstalled.pc
2429 prefix=
2430 exec_prefix=
2431 libdir=\${pcfiledir}
2432 includedir=${source_path}
2433
2434 Name: $name
2435 Description: $comment
2436 Version: $version
2437 Requires: $requires
2438 Conflicts:
2439 Libs: \${libdir}/${LIBPREF}${shortname}${LIBSUF} $libs
2440 Cflags: -I\${includedir}
2441 EOF
2442 }
2443
2444 pkgconfig_generate libavutil "FFmpeg utility library" "$LIBAVUTIL_VERSION"
2445 pkgconfig_generate libavcodec "FFmpeg codec library" "$LIBAVCODEC_VERSION" "$extralibs" "$pkg_requires libavutil = $LIBAVUTIL_VERSION"
2446 pkgconfig_generate libavformat "FFmpeg container format library" "$LIBAVFORMAT_VERSION" "$extralibs" "$pkg_requires libavcodec = $LIBAVCODEC_VERSION"
2447 pkgconfig_generate libavdevice "FFmpeg device handling library" "$LIBAVDEVICE_VERSION" "$extralibs" "$pkg_requires libavformat = $LIBAVFORMAT_VERSION"
2448 enabled avfilter &&
2449     pkgconfig_generate libavfilter "FFmpeg video filtering library" "$LIBAVFILTER_VERSION" "$extralibs" "$pkg_requires libavutil = $LIBAVUTIL_VERSION"
2450 enabled postproc &&
2451     pkgconfig_generate libpostproc "FFmpeg post processing library" "$LIBPOSTPROC_VERSION"
2452 if enabled swscale; then
2453     pkgconfig_generate libswscale "FFmpeg image rescaling library" "$LIBSWSCALE_VERSION" "" "libavutil = $LIBAVUTIL_VERSION"
2454 else
2455     pkgconfig_generate libswscale "FFmpeg image rescaling library" "$LIBSWSCALE_VERSION" "" "$pkg_requires libavcodec = $LIBAVCODEC_VERSION"
2456     apply libswscale/libswscale.pc sed s/^Libs:.*$/Libs:/
2457 fi