configure

   1 #!/bin/sh
   2 #
   3 # FFmpeg configure script
   4 #
   5 # Copyright (c) 2000, 2001, 2002 Fabrice Bellard
   6 # Copyright (c) 2005-2006 Diego Biurrun
   7 # Copyright (c) 2005-2006 Mans Rullgard
   8 #
   9
  10 # make sure we are running under a compatible shell
  11 # try to make this part work with most shells
  12
  13 try_exec(){
  14     echo "Trying shell $1"
  15     type "$1" >/dev/null 2>&1 && exec "$@"
  16 }
  17
  18 unset foo
  19 (: ${foo%%bar}) 2>/dev/null
  20 E1="$?"
  21
  22 (: ${foo?}) 2>/dev/null
  23 E2="$?"
  24
  25 if test "$E1" != 0 || test "$E2" = 0; then
  26     echo "Broken shell detected.  Trying alternatives."
  27     export FF_CONF_EXEC
  28     if test "0$FF_CONF_EXEC" -lt 1; then
  29         FF_CONF_EXEC=1
  30         try_exec bash "$0" "$@"
  31     fi
  32     if test "0$FF_CONF_EXEC" -lt 2; then
  33         FF_CONF_EXEC=2
  34         try_exec ksh "$0" "$@"
  35     fi
  36     if test "0$FF_CONF_EXEC" -lt 3; then
  37         FF_CONF_EXEC=3
  38         try_exec /usr/xpg4/bin/sh "$0" "$@"
  39     fi
  40     echo "No compatible shell script interpreter found."
  41     echo "This configure script requires a POSIX-compatible shell"
  42     echo "such as bash or ksh."
  43     echo "THIS IS NOT A BUG IN FFMPEG, DO NOT REPORT IT AS SUCH."
  44     echo "Instead, install a working POSIX-compatible shell."
  45     echo "Disabling this configure test will create a broken FFmpeg."
  46     if test "$BASH_VERSION" = '2.04.0(1)-release'; then
  47         echo "This bash version ($BASH_VERSION) is broken on your platform."
  48         echo "Upgrade to a later version if available."
  49     fi
  50     exit 1
  51 fi
  52
  53 show_help(){
  54   echo "Usage: configure [options]"
  55   echo "Options: [defaults in brackets after descriptions]"
  56   echo
  57   echo "Standard options:"
  58   echo "  --help                   print this message"
  59   echo "  --log[=FILE|yes|no]      log tests and output to FILE [config.err]"
  60   echo "  --prefix=PREFIX          install in PREFIX [$PREFIX]"
  61   echo "  --libdir=DIR             install libs in DIR [PREFIX/lib]"
  62   echo "  --shlibdir=DIR           install shared libs in DIR [PREFIX/lib]"
  63   echo "  --incdir=DIR             install includes in DIR [PREFIX/include/ffmpeg]"
  64   echo "  --mandir=DIR             install man page in DIR [PREFIX/man]"
  65   echo "  --enable-static          build static libraries [default=yes]"
  66   echo "  --disable-static         do not build static libraries [default=no]"
  67   echo "  --enable-shared          build shared libraries [default=no]"
  68   echo "  --disable-shared         do not build shared libraries [default=yes]"
  69   echo "  --enable-gpl             allow use of GPL code, the resulting libav*"
  70   echo "                           and ffmpeg will be under GPL [default=no]"
  71   echo "  --enable-pp              enable GPLed postprocessing support [default=no]"
  72   echo "  --enable-swscaler        software scaler support [default=no]"
  73   echo "  --enable-beosthreads     use BeOS threads [default=no]"
  74   echo "  --enable-os2threads      use OS/2 threads [default=no]"
  75   echo "  --enable-pthreads        use pthreads [default=no]"
  76   echo "  --enable-w32threads      use Win32 threads [default=no]"
  77   echo "  --enable-x11grab         enable X11 grabbing [default=no]"
  78   echo
  79   echo "External library support:"
  80   echo "  --enable-sunmlib         use Sun medialib [default=no]"
  81   echo "  --enable-dc1394          enable IIDC-1394 grabbing using libdc1394"
  82   echo "                           and libraw1394 [default=no]"
  83   echo "  --enable-liba52          enable GPLed liba52 support [default=no]"
  84   echo "  --enable-liba52bin       open liba52.so.0 at runtime [default=no]"
  85   echo "  --enable-avisynth        allow reading AVISynth script files [default=no]"
  86   echo "  --enable-libamr-nb       enable libamr-nb floating point audio codec"
  87   echo "  --enable-libamr-wb       enable libamr-wb floating point audio codec"
  88   echo "  --enable-libfaac         enable FAAC support via libfaac [default=no]"
  89   echo "  --enable-libfaad         enable FAAD support via libfaad [default=no]"
  90   echo "  --enable-libfaadbin      build FAAD support with runtime linking [default=no]"
  91   echo "  --enable-libgsm          enable GSM support via libgsm [default=no]"
  92   echo "  --enable-libmp3lame      enable MP3 encoding via libmp3lame [default=no]"
  93   echo "  --enable-libnut          enable NUT (de)muxing via libnut,"
  94   echo "                           native demuxer exists [default=no]"
  95   echo "  --enable-libogg          enable Ogg muxing via libogg [default=no]"
  96   echo "  --enable-libtheora       enable Theora encoding via libtheora [default=no]"
  97   echo "  --enable-libvorbis       enable Vorbis en/decoding via libvorbis,"
  98   echo "                           native implementations exist [default=no]"
  99   echo "  --enable-libx264         enable H.264 encoding via x264 [default=no]"
 100   echo "  --enable-libxvid         enable Xvid encoding via xvidcore,"
 101   echo "                           native MPEG-4/Xvid encoder exists [default=no]"
 102   echo ""
 103   echo "Advanced options (experts only):"
 104   echo "  --source-path=PATH       path to source code [$source_path]"
 105   echo "  --cross-prefix=PREFIX    use PREFIX for compilation tools [$cross_prefix]"
 106   echo "  --cross-compile          assume a cross-compiler is used"
 107   echo "  --target-os=OS           compiler targets OS [$targetos]"
 108   echo "  --cc=CC                  use C compiler CC [$cc]"
 109   echo "  --make=MAKE              use specified make [$make]"
 110   echo "  --extra-cflags=ECFLAGS   add ECFLAGS to CFLAGS [$CFLAGS]"
 111   echo "  --extra-ldflags=ELDFLAGS add ELDFLAGS to LDFLAGS [$LDFLAGS]"
 112   echo "  --extra-libs=ELIBS       add ELIBS [$ELIBS]"
 113   echo "  --build-suffix=SUFFIX    suffix for application specific build []"
 114   echo "  --arch=ARCH              select architecture  [$arch]"
 115   echo "  --cpu=CPU                selects the minimum cpu required (affects"
 116   echo "                           instruction selection, may crash on older CPUs)"
 117   echo "  --enable-powerpc-perf    enable performance report on PPC"
 118   echo "                           (requires enabling PMC)"
 119   echo "  --disable-mmx            disable MMX usage"
 120   echo "  --disable-armv5te        disable armv5te usage"
 121   echo "  --disable-armv6          disable armv6 usage"
 122   echo "  --disable-iwmmxt         disable iwmmxt usage"
 123   echo "  --disable-altivec        disable AltiVec usage"
 124   echo "  --disable-audio-oss      disable OSS audio support [default=no]"
 125   echo "  --disable-audio-beos     disable BeOS audio support [default=no]"
 126   echo "  --disable-v4l            disable video4linux grabbing [default=no]"
 127   echo "  --disable-v4l2           disable video4linux2 grabbing [default=no]"
 128   echo "  --disable-bktr           disable bktr video grabbing [default=no]"
 129   echo "  --disable-dv1394         disable DV1394 grabbing [default=no]"
 130   echo "  --disable-network        disable network support [default=no]"
 131   echo "  --disable-ipv6           disable ipv6 support [default=no]"
 132   echo "  --disable-zlib           disable zlib [default=no]"
 133   echo "  --disable-vhook          disable video hooking support"
 134   echo "  --disable-debug          disable debugging symbols"
 135   echo "  --disable-mpegaudio-hp   faster (but less accurate)"
 136   echo "                           MPEG audio decoding [default=no]"
 137   echo "  --disable-ffmpeg         disable ffmpeg build"
 138   echo "  --disable-ffserver       disable ffserver build"
 139   echo "  --disable-ffplay         disable ffplay build"
 140   echo "  --enable-small           optimize for size instead of speed"
 141   echo "  --enable-memalign-hack   emulate memalign, interferes with memory debuggers"
 142   echo "  --disable-encoder=NAME   disables encoder NAME"
 143   echo "  --enable-encoder=NAME    enables encoder NAME"
 144   echo "  --disable-decoder=NAME   disables decoder NAME"
 145   echo "  --enable-decoder=NAME    enables decoder NAME"
 146   echo "  --disable-encoders       disables all encoders"
 147   echo "  --disable-decoders       disables all decoders"
 148   echo "  --disable-muxer=NAME     disables muxer NAME"
 149   echo "  --enable-muxer=NAME      enables muxer NAME"
 150   echo "  --disable-muxers         disables all muxers"
 151   echo "  --disable-demuxer=NAME   disables demuxer NAME"
 152   echo "  --enable-demuxer=NAME    enables demuxer NAME"
 153   echo "  --disable-demuxers       disables all demuxers"
 154   echo "  --enable-parser=NAME     enables parser NAME"
 155   echo "  --disable-parser=NAME    disables parser NAME"
 156   echo "  --disable-parsers        disables all parsers"
 157   echo "  --enable-bsf=NAME        enables bitstream filter NAME"
 158   echo "  --disable-bsf=NAME       disables bitstream filter NAME"
 159   echo "  --disable-bsfs           disables all bitstream filters"
 160   echo "  --enable-protocol=NAME   enables protocol NAME"
 161   echo "  --disable-protocol=NAME  disables protocol NAME"
 162   echo "  --disable-protocols      disables all protocols"
 163   echo
 164   echo "Developer options (useful when working on FFmpeg itself):"
 165   echo "  --enable-gprof           enable profiling with gprof [$gprof]"
 166   echo "  --disable-opts           disable compiler optimizations"
 167   echo "  --enable-extra-warnings  enable more compiler warnings"
 168   echo "  --disable-strip          disable stripping of executables and shared libraries"
 169   echo ""
 170   echo "NOTE: Object files are built at the place where configure is launched."
 171   exit 1
 172 }
 173
 174 log(){
 175     echo "$@" >>$logfile
 176 }
 177
 178 log_file(){
 179     log BEGIN $1
 180     cat -n $1 >>$logfile
 181     log END $1
 182 }
 183
 184 echolog(){
 185     log "$@"
 186     echo "$@"
 187 }
 188
 189 die(){
 190     echolog "$@"
 191     cat <<EOF
 192 If you think configure made a mistake, make sure you are using the latest
 193 version from SVN.  If the latest version fails, report the problem to the
 194 ffmpeg-devel@mplayerhq.hu mailing list or IRC #ffmpeg on irc.freenode.net.
 195 EOF
 196     if enabled logging; then
 197         cat <<EOF
 198 Include the log file "$logfile" produced by configure as this will help
 199 solving the problem.
 200 EOF
 201     else
 202 cat <<EOF
 203 Rerun configure with logging enabled (do not use --log=no), and include the
 204 log this produces with your report.
 205 EOF
 206     fi
 207     rm -f $TMPC $TMPO $TMPE $TMPS $TMPH
 208     exit 1
 209 }
 210
 211 # "tr '[a-z]' '[A-Z]'" is a workaround for Solaris tr not grokking "tr a-z A-Z"
 212 toupper(){
 213     echo "$@" | tr '[a-z]' '[A-Z]'
 214 }
 215
 216 tolower(){
 217     echo "$@" | tr '[A-Z]' '[a-z]'
 218 }
 219
 220 set_all(){
 221     value=$1
 222     shift
 223     for var in $*; do
 224         eval $var=$value
 225     done
 226 }
 227
 228 pushvar(){
 229     for var in $*; do
 230         eval level=\${${var}_level:=0}
 231         eval ${var}_${level}="\$$var"
 232         eval ${var}_level=$(($level+1))
 233     done
 234 }
 235
 236 popvar(){
 237     for var in $*; do
 238         eval level=\${${var}_level:-0}
 239         test $level = 0 && continue
 240         eval level=$(($level-1))
 241         eval $var="\${${var}_${level}}"
 242         eval ${var}_level=$level
 243         eval unset ${var}_${level}
 244     done
 245 }
 246
 247 enable(){
 248     set_all yes $*
 249 }
 250
 251 disable(){
 252     set_all no $*
 253 }
 254
 255 enabled(){
 256     eval test "x\$$1" = "xyes"
 257 }
 258
 259 disabled(){
 260     eval test "x\$$1" = "xno"
 261 }
 262
 263 enabled_all(){
 264     for opt; do
 265         enabled $opt || return 1
 266     done
 267 }
 268
 269 disabled_all(){
 270     for opt; do
 271         disabled $opt || return 1
 272     done
 273 }
 274
 275 enabled_any(){
 276     for opt; do
 277         enabled $opt && return 0
 278     done
 279 }
 280
 281 disabled_any(){
 282     for opt; do
 283         disabled $opt && return 0
 284     done
 285 }
 286
 287 check_deps(){
 288     for cfg; do
 289         enabled ${cfg}_checking && die "Circular dependency for $cfg."
 290         disabled ${cfg}_checking && continue
 291         enable ${cfg}_checking
 292
 293         eval dep_all="\$${cfg}_deps"
 294         eval dep_any="\$${cfg}_deps_any"
 295
 296         pushvar cfg dep_all dep_any
 297         check_deps $dep_all $dep_any
 298         popvar cfg dep_all dep_any
 299
 300         enabled_all $dep_all || disable $cfg
 301         enabled_any $dep_any || disable $cfg
 302
 303         disable ${cfg}_checking
 304     done
 305 }
 306
 307 print_config(){
 308     pfx=$1
 309     header=$2
 310     makefile=$3
 311     shift 3
 312     for cfg; do
 313         ucname="`toupper $cfg`"
 314         if enabled $cfg; then
 315             echo "#define ${pfx}${ucname} 1" >> $header
 316             echo "#define ENABLE_${ucname} 1" >> $header
 317             echo "${pfx}${ucname}=yes" >> $makefile
 318         else
 319             echo "#define ENABLE_${ucname} 0" >> $header
 320         fi
 321     done
 322 }
 323
 324 flags_saved(){
 325     (: ${SAVE_CFLAGS?}) 2>/dev/null
 326 }
 327
 328 save_flags(){
 329     flags_saved && return
 330     SAVE_CFLAGS="$CFLAGS"
 331     SAVE_LDFLAGS="$LDFLAGS"
 332     SAVE_extralibs="$extralibs"
 333 }
 334
 335 restore_flags(){
 336     flags_saved || return
 337     CFLAGS="$SAVE_CFLAGS"
 338     LDFLAGS="$SAVE_LDFLAGS"
 339     extralibs="$SAVE_extralibs"
 340     unset SAVE_CFLAGS
 341     unset SAVE_LDFLAGS
 342     unset SAVE_extralibs
 343 }
 344
 345 temp_cflags(){
 346     save_flags
 347     CFLAGS="$CFLAGS $*"
 348 }
 349
 350 temp_ldflags(){
 351     save_flags
 352     LDFLAGS="$LDFLAGS $*"
 353 }
 354
 355 temp_extralibs(){
 356     save_flags
 357     extralibs="$extralibs $*"
 358 }
 359
 360 append(){
 361     var=$1
 362     shift
 363     flags_saved && eval "SAVE_$var=\"\$SAVE_$var $*\""
 364     eval "$var=\"\$$var $*\""
 365 }
 366
 367 add_cflags(){
 368     append CFLAGS "$@"
 369 }
 370
 371 add_ldflags(){
 372     append LDFLAGS "$@"
 373 }
 374
 375 add_extralibs(){
 376     append extralibs "$@"
 377 }
 378
 379 check_cmd(){
 380     log "$@"
 381     "$@" >>$logfile 2>&1
 382 }
 383
 384 check_cc(){
 385     log check_cc "$@"
 386     cat >$TMPC
 387     log_file $TMPC
 388     check_cmd $cc $CFLAGS "$@" -c -o $TMPO $TMPC
 389 }
 390
 391 check_cpp(){
 392     log check_cpp "$@"
 393     cat >$TMPC
 394     log_file $TMPC
 395     check_cmd $cc $CFLAGS "$@" -E -o $TMPO $TMPC
 396 }
 397
 398 check_ld(){
 399     log check_ld "$@"
 400     check_cc || return
 401     flags=''
 402     libs=''
 403     for f; do
 404         test "${f}" = "${f#-l}" && flags="$flags $f" || libs="$libs $f"
 405     done
 406     check_cmd $cc $LDFLAGS $flags -o $TMPE $TMPO $extralibs $libs
 407 }
 408
 409 check_cflags(){
 410     log check_cflags "$@"
 411     check_cc "$@" <<EOF && add_cflags "$@"
 412 int x;
 413 EOF
 414 }
 415
 416 check_ldflags(){
 417     log check_ldflags "$@"
 418     check_ld "$@" <<EOF && add_ldflags "$@"
 419 int main(){
 420     return 0;
 421 }
 422 EOF
 423 }
 424
 425 check_header(){
 426     log check_header "$@"
 427     header=$1
 428     shift
 429     var=`echo $header | sed 's/[^A-Za-z0-9_]/_/g'`
 430     disable $var
 431     check_cpp "$@" <<EOF && enable $var
 432 #include <$header>
 433 int x;
 434 EOF
 435 }
 436
 437 check_func(){
 438     log check_func "$@"
 439     func=$1
 440     shift
 441     disable $func
 442     check_ld "$@" <<EOF && enable $func
 443 extern int $func();
 444 int main(){
 445     $func();
 446 }
 447 EOF
 448 }
 449
 450 check_func2(){
 451     log check_func2 "$@"
 452     headers=$1
 453     func=$2
 454     shift 2
 455     disable $func
 456     incs=""
 457     for hdr in $headers; do
 458         incs="$incs
 459 #include <$hdr>"
 460     done
 461     check_ld "$@" <<EOF && enable $func
 462 $incs
 463 int main(){
 464     (void) $func;
 465     return 0;
 466 }
 467 EOF
 468 }
 469
 470 check_lib(){
 471     log check_lib "$@"
 472     header="$1"
 473     func="$2"
 474     shift 2
 475     temp_extralibs "$@"
 476     check_header $header && check_func $func && add_extralibs "$@"
 477     err=$?
 478     restore_flags
 479     return $err
 480 }
 481
 482 check_lib2(){
 483     log check_lib2 "$@"
 484     headers="$1"
 485     func="$2"
 486     shift 2
 487     temp_extralibs "$@"
 488     check_func2 "$headers" $func && add_extralibs "$@"
 489     err=$?
 490     restore_flags
 491     return $err
 492 }
 493
 494 check_exec(){
 495     check_ld "$@" && { enabled cross_compile || $TMPE >>$logfile 2>&1; }
 496 }
 497
 498 check_exec_crash(){
 499     code=`cat`
 500
 501     # exit() is not async signal safe.  _Exit (C99) and _exit (POSIX)
 502     # are safe but may not be available everywhere.  Thus we use
 503     # raise(SIGTERM) instead.  The check is run in a subshell so we
 504     # can redirect the "Terminated" message from the shell.  SIGBUS
 505     # is not defined by standard C so it is used conditionally.
 506
 507     (check_exec "$@") >>$logfile 2>&1 <<EOF
 508 #include <signal.h>
 509 static void sighandler(int sig){
 510     raise(SIGTERM);
 511 }
 512 int main(){
 513     signal(SIGILL, sighandler);
 514     signal(SIGFPE, sighandler);
 515     signal(SIGSEGV, sighandler);
 516 #ifdef SIGBUS
 517     signal(SIGBUS, sighandler);
 518 #endif
 519     { $code }
 520 }
 521 EOF
 522 }
 523
 524 require(){
 525     name="$1"
 526     header="$2"
 527     func="$3"
 528     shift 3
 529     check_lib $header $func "$@" || die "ERROR: $name not found"
 530 }
 531
 532 require2(){
 533     name="$1"
 534     headers="$2"
 535     func="$3"
 536     shift 3
 537     check_lib2 "$headers" $func "$@" || die "ERROR: $name not found"
 538 }
 539
 540 check_foo_config(){
 541     cfg=$1
 542     pkg=$2
 543     header=$3
 544     func=$4
 545     shift 4
 546     disable $cfg
 547     check_cmd ${pkg}-config --version
 548     err=$?
 549     if test "$err" = 0; then
 550         temp_cflags `${pkg}-config --cflags`
 551         temp_extralibs `${pkg}-config --libs`
 552         check_lib "$@" $header $func && enable $cfg
 553     fi
 554     return $err
 555 }
 556
 557 apply(){
 558     file=$1
 559     shift
 560     "$@" < "$file" > "$file.tmp" && mv "$file.tmp" "$file" || rm "$file.tmp"
 561 }
 562
 563 CONFIG_LIST='
 564     encoders
 565     decoders
 566     parsers
 567     bsfs
 568     muxers
 569     demuxers
 570     audio_beos
 571     audio_oss
 572     avisynth
 573     beos_netserver
 574     bktr
 575     dc1394
 576     dv1394
 577     ffmpeg
 578     ffplay
 579     ffserver
 580     gpl
 581     gprof
 582     ipv6
 583     liba52
 584     liba52bin
 585     libamr
 586     libamr_nb
 587     libamr_wb
 588     libfaac
 589     libfaad
 590     libfaadbin
 591     libgsm
 592     libmp3lame
 593     libnut
 594     libogg
 595     libtheora
 596     libvorbis
 597     libx264
 598     libxvid
 599     memalign_hack
 600     mpegaudio_hp
 601     network
 602     powerpc_perf
 603     pp
 604     protocols
 605     swscaler
 606     vhook
 607     v4l
 608     v4l2
 609     x11grab
 610     zlib
 611 '
 612
 613 THREADS_LIST='
 614     beosthreads
 615     os2threads
 616     pthreads
 617     w32threads
 618 '
 619
 620 ARCH_LIST='
 621     alpha
 622     armv4l
 623     bfin
 624     ia64
 625     m68k
 626     mips
 627     parisc
 628     powerpc
 629     s390
 630     sh4
 631     sparc
 632     sparc64
 633     x86
 634     x86_32
 635     x86_64
 636 '
 637
 638 ARCH_EXT_LIST='
 639     altivec
 640     armv5te
 641     armv6
 642     iwmmxt
 643     mmi
 644     mmx
 645     ssse3
 646 '
 647
 648 HAVE_LIST="
 649     $ARCH_EXT_LIST
 650     $THREADS_LIST
 651     altivec_h
 652     arpa_inet_h
 653     byteswap_h
 654     cmov
 655     dcbzl
 656     dev_bktr_ioctl_bt848_h
 657     dev_bktr_ioctl_meteor_h
 658     dev_ic_bt8xx_h
 659     dev_video_meteor_ioctl_meteor_h
 660     dev_video_bktr_ioctl_bt848_h
 661     dlfcn_h
 662     dlopen
 663     ebp_available
 664     ebx_available
 665     fast_64bit
 666     fast_cmov
 667     fast_unaligned
 668     freetype2
 669     imlib2
 670     inet_aton
 671     localtime_r
 672     lrintf
 673     machine_ioctl_bt848_h
 674     machine_ioctl_meteor_h
 675     malloc_h
 676     memalign
 677     mlib
 678     os2
 679     ppc64
 680     sdl
 681     sdl_video_size
 682     soundcard_h
 683     sys_poll_h
 684     sys_soundcard_h
 685     threads
 686 "
 687
 688 CMDLINE_SELECT="
 689     $ARCH_EXT_LIST
 690     $CONFIG_LIST
 691     $THREADS_LIST
 692     debug
 693     extra_warnings
 694     shared
 695     static
 696 "
 697
 698 # code dependency declarations
 699
 700 # architecture extensions
 701 altivec_deps="powerpc"
 702 armv5te_deps="armv4l"
 703 armv6_deps="armv4l"
 704 iwmmxt_deps="armv4l"
 705 mmi_deps="mips"
 706 mmx_deps="x86"
 707 ssse3_deps="x86"
 708
 709 # decoders / encoders
 710 dxa_decoder_deps="zlib"
 711 flashsv_decoder_deps="zlib"
 712 flashsv_encoder_deps="zlib"
 713 flv_decoder_deps="h263_decoder"
 714 h263_decoder_deps="h263_parser mpeg4video_parser"
 715 h263i_decoder_deps="h263_decoder"
 716 h264_decoder_deps="h264_parser"
 717 mpeg_xvmc_decoder_deps="xvmc"
 718 mpeg4_decoder_deps="h263_decoder"
 719 msmpeg4v1_decoder_deps="h263_decoder"
 720 msmpeg4v2_decoder_deps="h263_decoder"
 721 msmpeg4v3_decoder_deps="h263_decoder"
 722 png_decoder_deps="zlib"
 723 png_encoder_deps="zlib"
 724 vc1_decoder_deps="h263_decoder"
 725 wmv1_decoder_deps="h263_decoder"
 726 wmv2_decoder_deps="h263_decoder"
 727 wmv3_decoder_deps="h263_decoder"
 728 zmbv_decoder_deps="zlib"
 729 zmbv_encoder_deps="zlib"
 730
 731 # external libraries
 732 mpeg4aac_decoder_deps="libfaad"
 733 liba52_decoder_deps="liba52"
 734 libamr_nb_decoder_deps="libamr_nb"
 735 libamr_nb_encoder_deps="libamr_nb"
 736 libamr_wb_decoder_deps="libamr_wb"
 737 libamr_wb_encoder_deps="libamr_wb"
 738 libfaac_encoder_deps="libfaac"
 739 libfaad_decoder_deps="libfaad"
 740 libgsm_decoder_deps="libgsm"
 741 libgsm_encoder_deps="libgsm"
 742 libgsm_ms_decoder_deps="libgsm"
 743 libgsm_ms_encoder_deps="libgsm"
 744 libmp3lame_encoder_deps="libmp3lame"
 745 libtheora_encoder_deps="libtheora"
 746 libvorbis_decoder_deps="libvorbis"
 747 libvorbis_encoder_deps="libvorbis"
 748 libx264_encoder_deps="libx264"
 749 libxvid_encoder_deps="libxvid"
 750
 751 # demuxers / muxers
 752 ac3_demuxer_deps="ac3_parser"
 753 audio_demuxer_deps_any="audio_oss audio_beos"
 754 audio_muxer_deps_any="audio_oss audio_beos"
 755 dc1394_demuxer_deps="dc1394"
 756 dv1394_demuxer_deps="dv1394"
 757 gxf_muxer_deps="gpl"
 758 libnut_demuxer_deps="libnut"
 759 libnut_muxer_deps="libnut"
 760 mp3_demuxer_deps="mpegaudio_parser"
 761 ogg_muxer_deps="libogg"
 762 redir_demuxer_deps="network"
 763 rtp_muxer_deps="network mpegts_demuxer"
 764 rtsp_demuxer_deps="rtp_protocol rtp_muxer"
 765 sdp_demuxer_deps="rtsp_demuxer"
 766 v4l2_demuxer_deps="v4l2"
 767 video_grab_bktr_demuxer_deps="bktr"
 768 video_grab_v4l_demuxer_deps="v4l"
 769 x11_grab_device_demuxer_deps="x11grab"
 770
 771 # protocols
 772 http_protocol_deps="network"
 773 rtp_protocol_deps="udp_protocol"
 774 tcp_protocol_deps="network"
 775 udp_protocol_deps="network"
 776
 777 # programs
 778 ffplay_deps="sdl"
 779 ffserver_deps="muxers rtp_protocol"
 780
 781
 782 # set temporary file name
 783 if test ! -z "$TMPDIR" ; then
 784     TMPDIR1="${TMPDIR}"
 785 elif test ! -z "$TEMPDIR" ; then
 786     TMPDIR1="${TEMPDIR}"
 787 else
 788     TMPDIR1="/tmp"
 789 fi
 790
 791 TMPC="${TMPDIR1}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}.c"
 792 TMPO="${TMPDIR1}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}.o"
 793 TMPE="${TMPDIR1}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}"
 794 TMPS="${TMPDIR1}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}.S"
 795 TMPH="${TMPDIR1}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}.h"
 796
 797 # default parameters
 798
 799 logging="yes"
 800 logfile="config.err"
 801
 802 # installation paths
 803 PREFIX="/usr/local"
 804 libdir='${PREFIX}/lib'
 805 shlibdir="$libdir"
 806 incdir='${PREFIX}/include/ffmpeg'
 807 mandir='${PREFIX}/man'
 808 bindir='${PREFIX}/bin'
 809
 810 # toolchain
 811 cross_prefix=""
 812 cross_compile="no"
 813 cc="gcc"
 814 ar="ar"
 815 ranlib="ranlib"
 816 make="make"
 817 strip="strip"
 818 asmalign_pot="unknown"
 819
 820 # machine
 821 arch=`uname -m`
 822 cpu="generic"
 823
 824 # OS
 825 targetos=$(tolower $(uname -s))
 826
 827 # non-library system interfaces
 828 audio_oss="yes"
 829 bktr="yes"
 830 dv1394="yes"
 831 v4l2="yes"
 832 v4l="yes"
 833
 834 # libraries
 835 zlib="yes"
 836
 837 # configurable options
 838 debug="yes"
 839 dostrip="yes"
 840 ffmpeg="yes"
 841 ffplay="yes"
 842 ffserver="yes"
 843 gpl="no"
 844 ipv6="yes"
 845 shared="no"
 846 static="yes"
 847 memalign_hack="no"
 848 mpegaudio_hp="yes"
 849 network="yes"
 850 optimize="yes"
 851 protocols="yes"
 852 vhook="default"
 853
 854 # build settings
 855 SHFLAGS='-shared -Wl,-soname,$@'
 856 VHOOKSHFLAGS='$(SHFLAGS)'
 857 LIBOBJFLAGS=""
 858 FFLDFLAGS=
 859 LDLATEFLAGS='-Wl,-rpath-link,\$(BUILD_ROOT)/libavcodec -Wl,-rpath-link,\$(BUILD_ROOT)/libavformat -Wl,-rpath-link,\$(BUILD_ROOT)/libavutil'
 860 FFSERVERLDFLAGS=-Wl,-E
 861 LDCONFIG="ldconfig"
 862 LIBPREF="lib"
 863 LIBSUF=".a"
 864 LIB='$(LIBPREF)$(NAME)$(LIBSUF)'
 865 SLIBPREF="lib"
 866 SLIBSUF=".so"
 867 SLIBNAME='$(SLIBPREF)$(NAME)$(SLIBSUF)'
 868 SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
 869 SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
 870 EXESUF=""
 871 BUILDSUF=""
 872 LIB_INSTALL_EXTRA_CMD='$(RANLIB) "$(libdir)/$(LIB)"'
 873
 874 # find source path
 875 source_path="`dirname \"$0\"`"
 876 source_path_used="yes"
 877 if test -z "$source_path" -o "$source_path" = "." ; then
 878     source_path="`pwd`"
 879     source_path_used="no"
 880 else
 881     source_path="`cd \"$source_path\"; pwd`"
 882     echo "$source_path" | grep -q '[[:blank:]]' &&
 883       die "Out of tree builds are impossible with whitespace in source path."
 884 fi
 885
 886 if test x"$1" = x"-h" -o x"$1" = x"--help" ; then
 887     show_help
 888 fi
 889
 890 FFMPEG_CONFIGURATION="$@"
 891
 892 ENCODER_LIST=`sed -n 's/^[^#]*ENC.*(.*, *\(.*\)).*/\1_encoder/p' "$source_path/libavcodec/allcodecs.c"`
 893 DECODER_LIST=`sed -n 's/^[^#]*DEC.*(.*, *\(.*\)).*/\1_decoder/p' "$source_path/libavcodec/allcodecs.c"`
 894 PARSER_LIST=`sed -n 's/^[^#]*PARSER.*(.*, *\(.*\)).*/\1_parser/p' "$source_path/libavcodec/allcodecs.c"`
 895 BSF_LIST=`sed -n 's/^[^#]*BSF.*(.*, *\(.*\)).*/\1_bsf/p' "$source_path/libavcodec/allcodecs.c"`
 896 MUXER_LIST=`sed -n 's/^[^#]*_MUX.*(.*, *\(.*\)).*/\1_muxer/p' "$source_path/libavformat/allformats.c"`
 897 DEMUXER_LIST=`sed -n 's/^[^#]*DEMUX.*(.*, *\(.*\)).*/\1_demuxer/p' "$source_path/libavformat/allformats.c"`
 898 PROTOCOL_LIST=`sed -n 's/^[^#]*PROTOCOL.*(.*, *\(.*\)).*/\1_protocol/p' "$source_path/libavformat/allformats.c"`
 899
 900 enable $ENCODER_LIST $DECODER_LIST $PARSER_LIST $MUXER_LIST $DEMUXER_LIST $PROTOCOL_LIST $BSF_LIST
 901
 902 die_unknown(){
 903     echo "Unknown option \"$1\"."
 904     echo "See $0 --help for available options."
 905     exit 1
 906 }
 907
 908 for opt do
 909   optval="${opt#*=}"
 910   case "$opt" in
 911   --log)
 912   ;;
 913   --log=*) logging="$optval"
 914   ;;
 915   --prefix=*) PREFIX="$optval"
 916   ;;
 917   --libdir=*) libdir="$optval"
 918   ;;
 919   --shlibdir=*) shlibdir="$optval"
 920   ;;
 921   --incdir=*) incdir="$optval"
 922   ;;
 923   --mandir=*) mandir="$optval"
 924   ;;
 925   --source-path=*) source_path="$optval"
 926   ;;
 927   --cross-prefix=*) cross_prefix="$optval"
 928   ;;
 929   --cross-compile) cross_compile="yes"
 930   ;;
 931   --target-os=*) targetos="$optval"
 932   ;;
 933   --cc=*) cc="$optval"
 934   ;;
 935   --make=*) make="$optval"
 936   ;;
 937   --extra-cflags=*) add_cflags "$optval"
 938   ;;
 939   --extra-ldflags=*) add_ldflags "$optval"
 940   ;;
 941   --extra-libs=*) add_extralibs "$optval"
 942   ;;
 943   --build-suffix=*) BUILDSUF="$optval"
 944   ;;
 945   --arch=*) arch="$optval"
 946   ;;
 947   --cpu=*) cpu="$optval"
 948   ;;
 949   --disable-opts) optimize="no"
 950   ;;
 951   --enable-small) optimize="small"
 952   ;;
 953   --enable-sunmlib) mlib="yes"
 954   ;;
 955   --disable-strip) dostrip="no"
 956   ;;
 957   --disable-encoders) disable $ENCODER_LIST
 958   ;;
 959   --disable-decoders) disable $DECODER_LIST
 960   ;;
 961   --disable-muxers) disable $MUXER_LIST
 962   ;;
 963   --disable-demuxers) disable $DEMUXER_LIST
 964   ;;
 965   --disable-parsers) disable $PARSER_LIST
 966   ;;
 967   --disable-bsfs) disable $BSF_LIST
 968   ;;
 969   --disable-protocols) disable $PROTOCOL_LIST
 970   ;;
 971   --enable-*=*|--disable-*=*)
 972   eval `echo "$opt" | sed 's/=/-/;s/--/action=/;s/-/ thing=/;s/-/ name=/'`
 973   case "$thing" in
 974       encoder|decoder|muxer|demuxer|parser|bsf|protocol) $action ${optval}_${thing} ;;
 975       *) die_unknown "$opt" ;;
 976   esac
 977   ;;
 978   --enable-?*|--disable-?*)
 979   eval `echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g'`
 980   echo "$CMDLINE_SELECT" | grep -q "^ *$option\$" || die_unknown $opt
 981   $action $option
 982   ;;
 983   --help) show_help
 984   ;;
 985   *)
 986   die_unknown $opt
 987   ;;
 988   esac
 989 done
 990
 991 case "$arch" in
 992   i386|i486|i586|i686|i86pc|BePC)
 993     arch="x86_32"
 994     enable fast_unaligned
 995   ;;
 996   x86_64|amd64)
 997     arch="x86_32"
 998     enable fast_unaligned
 999     canon_arch="`$cc -dumpmachine | sed -e 's,\([^-]*\)-.*,\1,'`"
1000     if [ x"$canon_arch" = x"x86_64" -o x"$canon_arch" = x"amd64" ]; then
1001       if [ -z "`echo $CFLAGS | grep -- -m32`"  ]; then
1002         arch="x86_64"
1003         enable fast_64bit
1004       fi
1005     fi
1006   ;;
1007   # armv4l is a subset of armv[567]*l
1008   arm|armv[4567]*l)
1009     arch="armv4l"
1010   ;;
1011   alpha)
1012     arch="alpha"
1013     enable fast_64bit
1014   ;;
1015   "Power Macintosh"|ppc|powerpc)
1016     arch="powerpc"
1017   ;;
1018   ppc64)
1019     arch="powerpc"
1020     enable fast_64bit
1021   ;;
1022   mips|mipsel|IP*)
1023     arch="mips"
1024   ;;
1025   sun4u|sparc64)
1026     arch="sparc64"
1027     enable fast_64bit
1028   ;;
1029   sparc)
1030     arch="sparc"
1031   ;;
1032   sh4)
1033     arch="sh4"
1034   ;;
1035   parisc)
1036     arch="parisc"
1037   ;;
1038   parisc64)
1039     arch="parisc"
1040     enable fast_64bit
1041   ;;
1042   s390|s390x)
1043     arch="s390"
1044   ;;
1045   m68k)
1046     arch="m68k"
1047   ;;
1048   ia64)
1049     arch="ia64"
1050     enable fast_64bit
1051   ;;
1052   bfin)
1053     arch="bfin"
1054   ;;
1055   *)
1056     arch="unknown"
1057   ;;
1058 esac
1059
1060 enable $arch
1061 enabled_any x86_32 x86_64 && enable x86
1062 enabled     sparc64       && enable sparc
1063
1064 # OS specific
1065 osextralibs="-lm"
1066 case $targetos in
1067   beos|haiku|zeta)
1068     PREFIX="$HOME/config"
1069     # helps building libavcodec
1070     add_cflags "-DPIC -fomit-frame-pointer"
1071     # 3 gcc releases known for BeOS, each with ugly bugs
1072     gcc_version="`$cc -v 2>&1 | grep version | cut -d ' ' -f3-`"
1073     case "$gcc_version" in
1074       2.9-beos-991026*|2.9-beos-000224*) echo "R5/GG gcc"
1075         mmx="no"
1076         ;;
1077       *20010315*) echo "BeBits gcc"
1078         add_cflags "-fno-expensive-optimizations"
1079         ;;
1080     esac
1081     LDCONFIG="echo ignoring ldconfig"
1082     SHFLAGS=-nostart
1083     # disable Linux things
1084     dv1394="no"
1085     # enable BeOS things
1086     disabled audio_beos || enable_audio_beos
1087     # no need for libm, but the inet stuff
1088     # Check for BONE
1089     # XXX: actually should check for NOT net_server
1090     if (echo $BEINCLUDES|grep 'headers/be/bone' >/dev/null); then
1091         osextralibs="-lbind -lsocket"
1092     else
1093         beos_netserver="yes"
1094         osextralibs="-lnet"
1095     fi ;;
1096   sunos)
1097     dv1394="no"
1098     FFLDFLAGS=""
1099     FFSERVERLDFLAGS=""
1100     SHFLAGS="-shared -Wl,-h,\$@"
1101     add_extralibs "-lsocket -lnsl"
1102     ;;
1103   netbsd)
1104     dv1394="no"
1105     add_extralibs "-lossaudio"
1106     ;;
1107   openbsd)
1108     dv1394="no"
1109     need_memalign="no"
1110     LIBOBJFLAGS="\$(PIC)"
1111     LDCONFIG="ldconfig -m \$(shlibdir)"
1112     SHFLAGS='-shared'
1113     SLIBNAME='$(SLIBPREF)$(NAME)$(SLIBSUF).$(LIBVERSION)'
1114     SLIBNAME_WITH_VERSION='$(SLIBNAME)'
1115     SLIBNAME_WITH_MAJOR='$(SLIBNAME)'
1116     add_extralibs "-lossaudio"
1117     ;;
1118   freebsd)
1119     dv1394="no"
1120     need_memalign="no"
1121     add_cflags "-pthread"
1122     ;;
1123   gnu/kfreebsd)
1124     dv1394="no"
1125     add_cflags "-pthread"
1126     ;;
1127   bsd/os)
1128     dv1394="no"
1129     osextralibs="-lpoll -lgnugetopt -lm"
1130     strip="strip -d"
1131     ;;
1132   darwin)
1133     dv1394="no"
1134     need_memalign="no"
1135     SHFLAGS="-dynamiclib -Wl,-single_module -Wl,-install_name,\$(shlibdir)/\$(SLIBNAME),-current_version,\$(SPPVERSION),-compatibility_version,\$(SPPVERSION) -Wl,-read_only_relocs,suppress"
1136     VHOOKSHFLAGS='-dynamiclib -Wl,-single_module -flat_namespace -undefined suppress -Wl,-install_name,$(shlibdir)/vhook/$@'
1137     osextralibs=""
1138     strip="strip -x"
1139     FFLDFLAGS="-Wl,-dynamic,-search_paths_first"
1140     SLIBSUF=".dylib"
1141     SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME).$(LIBVERSION)$(SLIBSUF)'
1142     SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(NAME).$(LIBMAJOR)$(SLIBSUF)'
1143     FFSERVERLDFLAGS=-Wl,-bind_at_load
1144     ;;
1145   mingw32*)
1146     targetos=mingw32
1147     shlibdir="$bindir"
1148     dv1394="no"
1149     VHOOKSHFLAGS='-shared -L$(BUILD_ROOT)/libavformat -L$(BUILD_ROOT)/libavcodec -L$(BUILD_ROOT)/libswscale -L$(BUILD_ROOT)/libavutil'
1150     VHOOKLIBS='-lavformat$(BUILDSUF) -lavcodec$(BUILDSUF) -lswscale$(BUILDSUF) -lavutil$(BUILDSUF) $(EXTRALIBS)'
1151     ffserver="no"
1152     network="no"
1153     SLIBPREF=""
1154     SLIBSUF=".dll"
1155     EXESUF=".exe"
1156     SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
1157     SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(NAME)-$(LIBMAJOR)$(SLIBSUF)'
1158     SLIB_EXTRA_CMD="-lib /machine:i386 /def:\$(@:${SLIBSUF}=.def)"
1159     SLIB_INSTALL_EXTRA_CMD="-install -m 644 \$(SLIBNAME_WITH_MAJOR:\$(SLIBSUF)=.lib) \"\$(shlibdir)/\$(SLIBNAME_WITH_MAJOR:\$(SLIBSUF)=.lib)\""
1160     SHFLAGS="-shared -Wl,--output-def,\$(@:${SLIBSUF}=.def),--out-implib,lib\$(SLIBNAME:\$(SLIBSUF)=.dll.a) -Wl,--enable-runtime-pseudo-reloc -Wl,--enable-auto-image-base"
1161     enabled network && add_extralibs -lws2_32
1162     ;;
1163   cygwin*)
1164     targetos=cygwin
1165     shlibdir="$bindir"
1166     dv1394="no"
1167     VHOOKSHFLAGS='-shared -L$(BUILD_ROOT)/libavformat -L$(BUILD_ROOT)/libavcodec -L$(BUILD_ROOT)/libswscale -L$(BUILD_ROOT)/libavutil'
1168     VHOOKLIBS='-lavformat$(BUILDSUF) -lavcodec$(BUILDSUF) -lswscale$(BUILDSUF) -lavutil$(BUILDSUF) $(EXTRALIBS)'
1169     osextralibs=""
1170     EXESUF=".exe"
1171     SLIBPREF="cyg"
1172     SLIBSUF=".dll"
1173     SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
1174     SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(NAME)-$(LIBMAJOR)$(SLIBSUF)'
1175     SHFLAGS='-shared -Wl,--out-implib=lib$(NAME).dll.a -Wl,--enable-auto-image-base'
1176     ;;
1177   linux)
1178     LDLATEFLAGS="-Wl,--as-needed $LDLATEFLAGS"
1179     ;;
1180   irix*)
1181     targetos=irix
1182     ranlib="echo ignoring ranlib"
1183     ;;
1184   os/2)
1185     TMPE=$TMPE".exe"
1186     ar="emxomfar -p128"
1187     ranlib="echo ignoring ranlib"
1188     strip="echo ignoring strip"
1189     add_cflags "-Zomf"
1190     FFLDFLAGS="-Zomf -Zstack 16384 -s"
1191     SHFLAGS="-Zdll -Zomf"
1192     FFSERVERLDFLAGS=""
1193     LIBPREF=""
1194     LIBSUF=".lib"
1195     SLIBPREF=""
1196     SLIBSUF=".dll"
1197     EXESUF=".exe"
1198     osextralibs=""
1199     pkg_requires=""
1200     dv1394="no"
1201     ffserver="no"
1202     vhook="no"
1203     os2="yes"
1204     ;;
1205   *)
1206     targetos="${targetos}-UNKNOWN"
1207     ;;
1208 esac
1209
1210 add_extralibs $osextralibs
1211
1212 if ! disabled logging ; then
1213     enabled logging || logfile="$logging"
1214     echo "# $0 $@" >$logfile
1215     set >>$logfile
1216 else
1217     logfile=/dev/null
1218 fi
1219
1220 # Combine FFLDFLAGS and the LDFLAGS environment variable.
1221 LDFLAGS="$FFLDFLAGS $LDFLAGS"
1222
1223 test -n "$cross_prefix" && cross_compile=yes
1224 cc="${cross_prefix}${cc}"
1225 ar="${cross_prefix}${ar}"
1226 ranlib="${cross_prefix}${ranlib}"
1227 strip="${cross_prefix}${strip}"
1228
1229 # we need to build at least one lib type
1230 if disabled_all static shared; then
1231     cat <<EOF
1232 At least one library type must be built.
1233 Specify --enable-static to build the static libraries or --enable-shared to
1234 build the shared libraries as well. To only build the shared libraries specify
1235 --disable-static in addition to --enable-shared.
1236 EOF
1237     exit 1;
1238 fi
1239
1240 if disabled libogg; then
1241     enabled libtheora && die "libogg must be enabled to enable libtheora."
1242     enabled libvorbis && die "libogg must be enabled to enable libvorbis."
1243 fi
1244
1245 if enabled_any libfaad libfaadbin ; then
1246     if check_header faad.h; then
1247         check_cc << EOF
1248 #include <faad.h>
1249 #ifndef FAAD2_VERSION
1250 ok faad1
1251 #endif
1252 int main( void ) { return 0; }
1253 EOF
1254         test $? = 0 && enable libfaad2
1255     else
1256         die "FAAD test failed."
1257     fi
1258 fi
1259
1260
1261 if disabled gpl ; then
1262     die_gpl_disabled(){
1263         name=$1
1264         shift
1265         enabled_any $@ && die "$name is under GPL and --enable-gpl is not specified."
1266     }
1267     die_gpl_disabled "The Postprocessing code" pp
1268     die_gpl_disabled "liba52"                  liba52
1269     die_gpl_disabled "libx264"                 libx264
1270     die_gpl_disabled "libxvidcore"             libxvid
1271     die_gpl_disabled "FAAD2"                   libfaad2
1272     die_gpl_disabled "The X11 grabber"         x11grab
1273     die_gpl_disabled "The software scaler"     swscaler
1274 fi
1275
1276 enable     $ARCH_EXT_LIST
1277 check_deps $ARCH_EXT_LIST
1278
1279 test -z "$need_memalign" && need_memalign="$mmx"
1280
1281 #Darwin CC versions
1282 needmdynamicnopic="no"
1283 if test $targetos = darwin; then
1284     if test -n "`$cc -v 2>&1 | grep xlc`"; then
1285         add_cflags "-qpdf2 -qlanglvl=extc99 -qmaxmem=-1 -qarch=auto -qtune=auto"
1286     else
1287         add_cflags "-no-cpp-precomp -pipe"
1288         check_cflags "-force_cpusubtype_ALL"
1289         check_cflags "-Wno-sign-compare"
1290         disabled shared && needmdynamicnopic="yes"
1291     fi
1292 fi
1293 enabled needmdynamicnopic && add_cflags -mdynamic-no-pic
1294
1295 disabled optimize || add_cflags -fomit-frame-pointer
1296
1297 # Add processor-specific flags
1298 if test $cpu != "generic"; then
1299     warn_altivec(){
1300         $1 altivec && echo "WARNING: Tuning for $2 but AltiVec $1.";
1301     }
1302     case $cpu in
1303         601|ppc601|PowerPC601)
1304             add_cflags "-mcpu=601"
1305             warn_altivec enabled PPC601
1306         ;;
1307         603*|ppc603*|PowerPC603*)
1308             add_cflags "-mcpu=603"
1309             warn_altivec enabled PPC603
1310         ;;
1311         604*|ppc604*|PowerPC604*)
1312             add_cflags "-mcpu=604"
1313             warn_altivec enabled PPC604
1314         ;;
1315         G3|g3|75*|ppc75*|PowerPC75*)
1316             add_cflags "-mcpu=750 -mpowerpc-gfxopt"
1317             warn_altivec enabled PPC75x
1318         ;;
1319         G4|g4|745*|ppc745*|PowerPC745*)
1320             add_cflags "-mcpu=7450 -mpowerpc-gfxopt"
1321             warn_altivec disabled PPC745x
1322         ;;
1323         74*|ppc74*|PowerPC74*)
1324             add_cflags "-mcpu=7400 -mpowerpc-gfxopt"
1325             warn_altivec disabled PPC74xx
1326         ;;
1327         G5|g5|970|ppc970|PowerPC970|power4*|Power4*)
1328             add_cflags "-mcpu=970 -mpowerpc-gfxopt -mpowerpc64"
1329             warn_altivec disabled PPC970
1330             enable ppc64
1331         ;;
1332         Cell|CELL|cell)
1333             add_cflags "-mcpu=cell"
1334             warn_altivec disabled Cell
1335             enable ppc64
1336         ;;
1337         # targets that do NOT support conditional mov (cmov)
1338         i[345]86|pentium|pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
1339             add_cflags "-march=$cpu"
1340             cmov="no"
1341         ;;
1342         # targets that do support conditional mov (cmov)
1343         i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64|k8|opteron|athlon-fx|core2)
1344             add_cflags "-march=$cpu"
1345             cmov="yes"
1346             fast_cmov="yes"
1347         ;;
1348         # targets that do support conditional mov but on which it's slow
1349         pentium4|prescott|nocona)
1350             add_cflags "-march=$cpu"
1351             cmov="yes"
1352             fast_cmov="no"
1353         ;;
1354         sparc64)
1355             add_cflags "-mcpu=v9"
1356         ;;
1357         bf*) #bf531 bf532 bf533 bf561 bf5xx all get this config
1358             add_cflags "-mfdpic"
1359             add_ldflags "-mfdpic"
1360         ;;
1361         *)
1362         echo "WARNING: Unknown CPU \"$cpu\", ignored."
1363         ;;
1364     esac
1365 fi
1366
1367 gnu_make(){
1368     $1 --version 2>&1 | grep -q GNU
1369 }
1370
1371 if ! gnu_make $make; then
1372     gnu_make gmake && make=gmake || die "GNU make not found."
1373 fi
1374
1375 # make sure we can execute files in $TMPDIR
1376 cat >$TMPE 2>>$logfile <<EOF
1377 #! /bin/sh
1378 EOF
1379 chmod +x $TMPE >>$logfile 2>&1
1380 if ! $TMPE >>$logfile 2>&1; then
1381     cat <<EOF
1382 Unable to create and execute files in $TMPDIR1.  Set the TMPDIR environment
1383 variable to another directory and make sure that $TMPDIR1 is not mounted
1384 noexec.
1385 EOF
1386     die "Sanity test failed."
1387 fi
1388 rm $TMPE
1389
1390 # compiler sanity check
1391 check_exec <<EOF
1392 int main(){
1393     return 0;
1394 }
1395 EOF
1396 if test "$?" != 0; then
1397     echo "$cc is unable to create an executable file."
1398     if test -z "$cross_prefix" && disabled cross_compile ; then
1399         echo "If $cc is a cross-compiler, use the --cross-compile option."
1400         echo "Only do this if you know what cross compiling means."
1401     fi
1402     die "C compiler test failed."
1403 fi
1404
1405 if enabled x86; then
1406     # check whether EBP is available on x86
1407     # As 'i' is stored on the stack, this program will crash
1408     # if the base pointer is used to access it because the
1409     # base pointer is cleared in the inline assembly code.
1410     check_exec_crash <<EOF && enable ebp_available
1411     volatile int i=0;
1412     asm volatile (
1413         "xorl %%ebp, %%ebp"
1414     ::: "%ebp");
1415     return i;
1416 EOF
1417
1418     # check wether EBX is available on x86
1419     check_cc <<EOF && enable ebx_available
1420 int main(){
1421     asm volatile ("":::"%ebx");
1422 }
1423 EOF
1424
1425     # check whether binutils is new enough to compile SSSE3
1426     enabled ssse3 && check_cc <<EOF || disable ssse3
1427 int main(){
1428     asm volatile ("pabsw %xmm0, %xmm0");
1429 }
1430 EOF
1431 fi
1432
1433 # check for assembler specific support
1434
1435 if test $arch = "powerpc"; then
1436 check_cc <<EOF && dcbzl=yes
1437 int main(void) {
1438     register long zero = 0;
1439     char data[1024];
1440     asm volatile("dcbzl %0, %1" : : "b" (data), "r" (zero));
1441 return 0;
1442 }
1443 EOF
1444 fi
1445
1446 # check for SIMD availability
1447
1448 # AltiVec flags: The FSF version of GCC differs from the Apple version
1449 if enabled altivec; then
1450     if test -n "`$cc -v 2>&1 | grep version | grep Apple`"; then
1451         add_cflags "-faltivec"
1452     else
1453         add_cflags "-maltivec -mabi=altivec"
1454     fi
1455
1456     check_header altivec.h
1457
1458     # check if our compiler supports Motorola AltiVec C API
1459     if enabled altivec_h; then
1460         inc_altivec_h="#include <altivec.h>"
1461     else
1462         inc_altivec_h=
1463     fi
1464     check_cc <<EOF || altivec=no
1465 $inc_altivec_h
1466 int main(void) {
1467     vector signed int v1, v2, v3;
1468     v1 = vec_add(v2,v3);
1469     return 0;
1470 }
1471 EOF
1472 fi
1473
1474 # check armv5te instructions support
1475 enabled armv5te && check_cc <<EOF || disable armv5te
1476 int main(void) {
1477     __asm__ __volatile__ ("qadd r0, r0, r0");
1478 }
1479 EOF
1480
1481 enabled armv6 && check_cc <<EOF || disable armv6
1482 int main(void) {
1483     __asm__ __volatile__ ("sadd16 r0, r0, r0");
1484 }
1485 EOF
1486
1487 # check iwmmxt support
1488 enabled iwmmxt && check_cc <<EOF || disable iwmmxt
1489 int main(void) {
1490     __asm__ __volatile__ ("wunpckelub wr6, wr4");
1491 }
1492 EOF
1493
1494 # check if our compiler supports mmi
1495 enabled mmi && check_cc <<EOF || mmi="no"
1496 int main(void) {
1497     __asm__ ("lq \$2, 0(\$2)");
1498     return 0;
1499 }
1500 EOF
1501
1502 # ---
1503 # big/little-endian test
1504 if disabled cross_compile; then
1505     check_ld <<EOF || die "endian test failed" && $TMPE && bigendian="yes"
1506 #include <inttypes.h>
1507 int main(int argc, char ** argv){
1508         volatile uint32_t i=0x01234567;
1509         return (*((uint8_t*)(&i))) == 0x67;
1510 }
1511 EOF
1512 else
1513     # programs cannot be launched if cross compiling, so make a static guess
1514     if test "$arch" = "powerpc" -o "$arch" = "mips" ; then
1515         bigendian="yes"
1516     fi
1517 fi
1518
1519 # ---
1520 # check availability of some header files
1521
1522 check_header malloc.h
1523 check_func memalign
1524
1525 if disabled_all memalign memalign_hack && enabled need_memalign ; then
1526     die "Error, no memalign() but SSE enabled, disable it or use --enable-memalign-hack."
1527 fi
1528
1529 check_header byteswap.h
1530
1531 check_header arpa/inet.h
1532
1533 check_func inet_aton
1534 check_func localtime_r
1535 enabled zlib && check_lib zlib.h zlibVersion -lz || zlib="no"
1536
1537 # ffserver uses poll(),
1538 # if it's not found we can emulate it using select().
1539 if enabled ffserver; then
1540     check_header sys/poll.h
1541 fi
1542
1543 # check for some common methods of building with pthread support
1544 # do this before the optional library checks as some of them require pthreads
1545 if enabled pthreads; then
1546     if check_func pthread_create; then
1547         :
1548     elif check_func pthread_create -pthread; then
1549         add_cflags -pthread
1550         add_ldflags -pthread
1551     elif check_func pthread_create -pthreads; then
1552         add_cflags -pthreads
1553         add_ldflags -pthreads
1554     elif ! check_lib pthread.h pthread_create -lpthread; then
1555         die "ERROR: can't find pthreads library"
1556     fi
1557 fi
1558
1559 for thread in $THREADS_LIST; do
1560     if enabled $thread; then
1561         if test -n "$thread_type"; then
1562             die "ERROR: Only one thread type must be selected."
1563         else
1564             thread_type="$thread"
1565         fi
1566     fi
1567 done
1568
1569 # test for lrintf in math.h
1570 check_exec <<EOF && lrintf=yes || lrintf=no
1571 #define _ISOC9X_SOURCE  1
1572 #include <math.h>
1573 int main( void ) { return (lrintf(3.999f) > 0)?0:1; }
1574 EOF
1575
1576 enabled_any libamr_nb libamr_wb && enable libamr
1577
1578 # these are off by default, so fail if requested and not available
1579 enabled liba52     && require liba52 a52dec/a52.h a52_init -la52
1580 enabled libamr_nb  && require libamrnb amrnb/interf_dec.h Speech_Decode_Frame_init -lamrnb -lm
1581 enabled libamr_wb  && require libamrwb amrwb/dec_if.h D_IF_init -lamrwb -lm
1582 enabled libgsm     && require libgsm gsm.h gsm_create -lgsm
1583 enabled libmp3lame && require LAME lame/lame.h lame_init -lmp3lame -lm
1584 enabled libtheora  && require libtheora theora/theora.h theora_info_init -ltheora -logg
1585 enabled libvorbis  && require libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbis -lvorbisenc -logg
1586 enabled libogg     && require libogg ogg/ogg.h ogg_sync_init -logg
1587 enabled libnut     && require libnut libnut.h nut_demuxer_init -lnut
1588 enabled libx264    && require x264 x264.h x264_encoder_open -lx264
1589 enabled libxvid    && require Xvid xvid.h xvid_global -lxvidcore
1590 enabled dc1394     && require libdc1394 libdc1394/dc1394_control.h dc1394_create_handle -ldc1394_control -lraw1394
1591 enabled mlib       && require mediaLib mlib_types.h mlib_VectorSub_S16_U8_Mod -lmlib
1592 enabled libfaac    && require2 libfaac "stdint.h faac.h" faacEncGetVersion -lfaac
1593 enabled libfaad    && require2 libfaad faad.h faacDecOpen -lfaad
1594 enabled avisynth   && require2 vfw32 "windows.h vfw.h" AVIFileInit -lvfw32
1595
1596 _restrict=
1597 for restrict_keyword in restrict __restrict__ __restrict; do
1598     check_cc <<EOF && _restrict=$restrict_keyword && break
1599 void foo(char * $restrict_keyword p);
1600 EOF
1601 done
1602
1603 # dlopen/dlfcn.h probing
1604
1605 check_header dlfcn.h
1606
1607 if check_func dlopen; then
1608     ldl=
1609 elif check_func dlopen -ldl; then
1610     ldl=-ldl
1611 fi
1612
1613 check_func fork
1614
1615 test "$vhook" = "default" && vhook="$dlopen"
1616
1617 enabled_any vhook liba52bin libfaadbin ffserver && add_extralibs $ldl
1618
1619 if test "$targetos" = cygwin -o "$targetos" = mingw32 && enabled_all static vhook ; then
1620     vhook="no"
1621     echo
1622     echo "At the moment vhooks don't work on Cygwin or MinGW static builds."
1623     echo "Patches welcome."
1624     echo
1625 fi
1626
1627 if enabled vhook; then
1628     check_ldflags -rdynamic
1629     check_ldflags -export-dynamic
1630 fi
1631
1632 enabled audio_beos && add_extralibs "-lmedia -lbe"
1633
1634 check_foo_config imlib2 imlib2 Imlib2.h imlib_load_font
1635 check_foo_config freetype2 freetype ft2build.h FT_Init_FreeType
1636
1637 ##########################################
1638 # SDL check
1639
1640 sdl_too_old=no
1641 sdl=no
1642 SDL_CONFIG="${cross_prefix}sdl-config"
1643 if "${SDL_CONFIG}" --version >/dev/null 2>&1; then
1644     sdl_cflags=`"${SDL_CONFIG}" --cflags`
1645     temp_cflags $sdl_cflags
1646     temp_extralibs `"${SDL_CONFIG}" --libs`
1647     if check_lib SDL.h SDL_Init; then
1648         _sdlversion=`"${SDL_CONFIG}" --version | sed 's/[^0-9]//g'`
1649         if test "$_sdlversion" -lt 121 ; then
1650             sdl_too_old=yes
1651         else
1652             sdl=yes
1653             check_cc $sdl_cflags <<EOF && enable sdl_video_size
1654 #include <SDL.h>
1655 int main(void){
1656     const SDL_VideoInfo *vi = SDL_GetVideoInfo();
1657     int w = vi->current_w;
1658     return 0;
1659 }
1660 EOF
1661         fi
1662     fi
1663     restore_flags
1664 fi
1665
1666 texi2html -version >/dev/null 2>&1 && enable texi2html || disable texi2html
1667
1668 ##########################################
1669 # IPv6 check
1670
1671 enabled network && enabled ipv6 && check_ld <<EOF && ipv6=yes || ipv6=no
1672 #include <sys/types.h>
1673 #include <sys/socket.h>
1674 #include <netinet/in.h>
1675 #include <netdb.h>
1676 int main( void ) {
1677   struct sockaddr_storage saddr;
1678   struct ipv6_mreq mreq6;
1679   getaddrinfo(0,0,0,0);
1680   getnameinfo(0,0,0,0,0,0,0);
1681   IN6_IS_ADDR_MULTICAST((const struct in6_addr *)0);
1682 }
1683 EOF
1684
1685 enabled v4l  && check_header linux/videodev.h  || disable v4l
1686 enabled v4l2 && check_header linux/videodev2.h || disable v4l2
1687
1688 # check for ioctl_meteor.h, ioctl_bt848.h and alternatives
1689 if enabled bktr; then
1690     { check_header dev/bktr/ioctl_meteor.h &&
1691       check_header dev/bktr/ioctl_bt848.h; } ||
1692     { check_header machine/ioctl_meteor.h &&
1693       check_header machine/ioctl_bt848.h; } ||
1694     { check_header dev/video/meteor/ioctl_meteor.h &&
1695       check_header dev/video/bktr/ioctl_bt848.h; } ||
1696     check_header dev/ic/bt8xx.h ||
1697     disable bktr
1698 fi
1699
1700 enabled audio_oss &&
1701     check_header sys/soundcard.h ||
1702     check_header soundcard.h ||
1703     disable audio_oss
1704
1705 # Deal with the x11 frame grabber
1706 enabled x11grab                         &&
1707 enabled gpl                             &&
1708 enabled x11_grab_device_demuxer         &&
1709 check_header X11/Xlib.h                 &&
1710 check_header X11/extensions/XShm.h      &&
1711 check_func XOpenDisplay -lX11           &&
1712 check_func XShmCreateImage -lX11 -lXext &&
1713 add_extralibs -lX11 -lXext              ||
1714 disable x11_grab_device_demuxer
1715
1716 enabled debug && add_cflags -g
1717
1718 # add some useful compiler flags if supported
1719 check_cflags -Wdeclaration-after-statement
1720 check_cflags -Wall
1721 check_cflags -Wno-switch
1722 check_cflags -Wdisabled-optimization
1723 check_cflags -Wpointer-arith
1724 check_cflags -Wredundant-decls
1725 check_cflags -Wno-pointer-sign
1726 enabled extra_warnings && check_cflags -Winline
1727
1728 # add some linker flags
1729 check_ldflags -Wl,--warn-common
1730 check_ldflags $LDLATEFLAGS
1731
1732 # not all compilers support -Os
1733 test "$optimize" = "small" && check_cflags -Os
1734
1735 if enabled optimize; then
1736     if test -n "`$cc -v 2>&1 | grep xlc`"; then
1737         add_cflags  "-O5"
1738         add_ldflags "-O5"
1739     else
1740         add_cflags "-O3"
1741     fi
1742 fi
1743
1744 # PIC flags for shared library objects where they are needed
1745 if enabled shared; then
1746     # LIBOBJFLAGS may have already been set in the OS configuration
1747     if test -z "$LIBOBJFLAGS" ; then
1748         case "$arch" in
1749             x86_64|ia64|alpha|sparc*|power*) LIBOBJFLAGS="\$(PIC)" ;;
1750         esac
1751     fi
1752 fi
1753
1754 if enabled gprof; then
1755     add_cflags  "-p"
1756     add_ldflags "-p"
1757 fi
1758
1759 VHOOKCFLAGS="-fPIC `echo $CFLAGS | sed s/-mdynamic-no-pic//`"
1760
1761 # find if .align arg is power-of-two or not
1762 if test $asmalign_pot = "unknown"; then
1763     asmalign_pot="no"
1764     echo 'asm (".align 3");' | check_cc && asmalign_pot="yes"
1765 fi
1766
1767 enabled_any $ENCODER_LIST  && enable encoders
1768 enabled_any $DECODER_LIST  && enable decoders
1769 enabled_any $MUXER_LIST    && enable muxers
1770 enabled_any $DEMUXER_LIST  && enable demuxers
1771 enabled_any $PROTOCOL_LIST && enable protocols
1772 enabled_any $BSF_LIST      && enable bsfs
1773
1774 enabled_any $THREADS_LIST  && enable threads
1775
1776 check_deps $CONFIG_LIST $HAVE_LIST $DECODER_LIST $ENCODER_LIST $PARSER_LIST \
1777     $BSF_LIST $DEMUXER_LIST $MUXER_LIST $PROTOCOL_LIST
1778
1779 enabled libogg    && append pkg_requires "ogg >= 1.1"
1780 enabled libtheora && append pkg_requires "theora"
1781 enabled libvorbis && append pkg_requires "vorbis vorbisenc"
1782 enabled dc1394    && append pkg_requires "libraw1394"
1783
1784 echo "install prefix            $PREFIX"
1785 echo "source path               $source_path"
1786 echo "C compiler                $cc"
1787 echo "make                      $make"
1788 echo ".align is power-of-two    $asmalign_pot"
1789 echo "ARCH                      $arch ($cpu)"
1790 if test "$BUILDSUF" != ""; then
1791     echo "build suffix              $BUILDSUF"
1792 fi
1793 echo "big-endian                ${bigendian-no}"
1794 if test $arch = "x86_32" -o $arch = "x86_64"; then
1795     echo "MMX enabled               ${mmx-no}"
1796     echo "CMOV enabled              ${cmov-no}"
1797     echo "CMOV is fast              ${fast_cmov-no}"
1798 fi
1799 if test $arch = "armv4l"; then
1800     echo "ARMv5TE enabled           ${armv5te-no}"
1801     echo "ARMv6 enabled             ${armv6-no}"
1802     echo "IWMMXT enabled            ${iwmmxt-no}"
1803 fi
1804 if test $arch = "mips"; then
1805     echo "MMI enabled               ${mmi-no}"
1806 fi
1807 if test $arch = "powerpc"; then
1808     echo "AltiVec enabled           ${altivec-no}"
1809     echo "dcbzl available           ${dcbzl-no}"
1810 fi
1811 echo "gprof enabled             ${gprof-no}"
1812 echo "debug symbols             ${debug-no}"
1813 echo "strip symbols             ${dostrip-no}"
1814 echo "optimize                  ${optimize-no}"
1815 echo "static                    ${static-no}"
1816 echo "shared                    ${shared-no}"
1817 echo "postprocessing support    ${pp-no}"
1818 echo "software scaler enabled   ${swscaler-no}"
1819 echo "video hooking             ${vhook-no}"
1820 if enabled vhook; then
1821     echo "Imlib2 support            ${imlib2-no}"
1822     echo "FreeType support          ${freetype2-no}"
1823 fi
1824 echo "network support           ${network-no}"
1825 if enabled network; then
1826     echo "IPv6 support              ${ipv6-no}"
1827 fi
1828 echo "threading support         ${thread_type-no}"
1829 echo "SDL support               ${sdl-no}"
1830 if enabled sdl_too_old; then
1831     echo "-> Your SDL version is too old - please upgrade to have FFplay/SDL support."
1832 fi
1833 echo "Sun medialib support      ${mlib-no}"
1834 echo "AVISynth enabled          ${avisynth-no}"
1835 echo "liba52 support            ${liba52-no}"
1836 echo "liba52 dlopened           ${liba52bin-no}"
1837 echo "libamr-nb support         ${libamr_nb-no}"
1838 echo "libamr-wb support         ${libamr_wb-no}"
1839 echo "libfaac enabled           ${libfaac-no}"
1840 echo "libfaad enabled           ${libfaad-no}"
1841 echo "faadbin enabled           ${libfaadbin-no}"
1842 echo "libgsm enabled            ${libgsm-no}"
1843 echo "libmp3lame enabled        ${libmp3lame-no}"
1844 echo "libnut enabled            ${libnut-no}"
1845 echo "libogg enabled            ${libogg-no}"
1846 echo "libtheora enabled         ${libtheora-no}"
1847 echo "libvorbis enabled         ${libvorbis-no}"
1848 echo "x264 enabled              ${libx264-no}"
1849 echo "XviD enabled              ${libxvid-no}"
1850 echo "zlib enabled              ${zlib-no}"
1851 if disabled gpl; then
1852     echo "License: LGPL"
1853 else
1854     echo "License: GPL"
1855 fi
1856
1857 echo "Creating config.mak and config.h..."
1858
1859 echo "# Automatically generated by configure - do not modify!" > config.mak
1860 echo "/* Automatically generated by configure - do not modify! */" > $TMPH
1861 echo "#define FFMPEG_CONFIGURATION \"$FFMPEG_CONFIGURATION\"" >> $TMPH
1862
1863 echo "PREFIX=$PREFIX" >> config.mak
1864 echo "prefix=\$(DESTDIR)\${PREFIX}" >> config.mak
1865 echo "libdir=\$(DESTDIR)$libdir" >> config.mak
1866 echo "shlibdir=\$(DESTDIR)$shlibdir" >> config.mak
1867 echo "incdir=\$(DESTDIR)$incdir" >> config.mak
1868 echo "bindir=\$(DESTDIR)$bindir" >> config.mak
1869 echo "mandir=\$(DESTDIR)$mandir" >> config.mak
1870 echo "MAKE=$make" >> config.mak
1871 echo "CC=$cc" >> config.mak
1872 echo "AR=$ar" >> config.mak
1873 echo "RANLIB=$ranlib" >> config.mak
1874 if enabled dostrip; then
1875     echo "STRIP=$strip" >> config.mak
1876 else
1877     echo "STRIP=echo ignoring strip" >> config.mak
1878 fi
1879
1880 echo "OPTFLAGS=$CFLAGS" >> config.mak
1881 echo "VHOOKCFLAGS=$VHOOKCFLAGS">>config.mak
1882 echo "LDFLAGS=$LDFLAGS" >> config.mak
1883 echo "LDCONFIG=$LDCONFIG" >> config.mak
1884 echo "FFSERVERLDFLAGS=$FFSERVERLDFLAGS" >> config.mak
1885 echo "SHFLAGS=$SHFLAGS" >> config.mak
1886 echo "VHOOKSHFLAGS=$VHOOKSHFLAGS" >> config.mak
1887 echo "VHOOKLIBS=$VHOOKLIBS" >> config.mak
1888 echo "LIBOBJFLAGS=$LIBOBJFLAGS" >> config.mak
1889 echo "BUILD_STATIC=$static" >> config.mak
1890 echo "BUILDSUF=$BUILDSUF" >> config.mak
1891 echo "LIBPREF=$LIBPREF" >> config.mak
1892 echo "LIBSUF=\${BUILDSUF}$LIBSUF" >> config.mak
1893 if enabled static; then
1894   echo "LIB=$LIB" >> config.mak
1895 else # Some Make complain if this variable does not exist.
1896   echo "LIB=" >> config.mak
1897 fi
1898 echo "SLIBPREF=$SLIBPREF" >> config.mak
1899 echo "SLIBSUF=\${BUILDSUF}$SLIBSUF" >> config.mak
1900 echo "EXESUF=\${BUILDSUF}$EXESUF" >> config.mak
1901
1902 if enabled bigendian; then
1903   echo "WORDS_BIGENDIAN=yes" >> config.mak
1904   echo "#define WORDS_BIGENDIAN 1" >> $TMPH
1905 fi
1906 if enabled mmx; then
1907   echo "#define __CPU__ 586" >> $TMPH
1908 fi
1909
1910 if enabled sdl; then
1911   echo "SDL_LIBS=`"${SDL_CONFIG}" --libs`" >> config.mak
1912   echo "SDL_CFLAGS=`"${SDL_CONFIG}" --cflags`" >> config.mak
1913 fi
1914 if enabled texi2html; then
1915   echo "BUILD_DOC=yes" >> config.mak
1916 fi
1917
1918 sws_version=`grep '#define LIBSWSCALE_VERSION ' "$source_path/libswscale/swscale.h" | sed 's/[^0-9\.]//g'`
1919 pp_version=`grep '#define LIBPOSTPROC_VERSION ' "$source_path/libpostproc/postprocess.h" | sed 's/[^0-9\.]//g'`
1920 lavc_version=`grep '#define LIBAVCODEC_VERSION ' "$source_path/libavcodec/avcodec.h" | sed 's/[^0-9\.]//g'`
1921 lavf_version=`grep '#define LIBAVFORMAT_VERSION ' "$source_path/libavformat/avformat.h" | sed 's/[^0-9\.]//g'`
1922 lavu_version=`grep '#define LIBAVUTIL_VERSION ' "$source_path/libavutil/avutil.h" | sed 's/[^0-9\.]//g'`
1923
1924
1925
1926 if enabled shared; then
1927   echo "BUILD_SHARED=yes" >> config.mak
1928   echo "PIC=-fPIC -DPIC" >> config.mak
1929   echo "SPPMAJOR=${pp_version%%.*}" >> config.mak
1930   echo "SPPVERSION=$pp_version" >> config.mak
1931   echo "LAVCMAJOR=${lavc_version%%.*}" >> config.mak
1932   echo "LAVCVERSION=$lavc_version" >> config.mak
1933   echo "LAVFMAJOR=${lavf_version%%.*}" >> config.mak
1934   echo "LAVFVERSION=$lavf_version" >> config.mak
1935   echo "LAVUMAJOR=${lavu_version%%.*}" >> config.mak
1936   echo "LAVUVERSION=$lavu_version" >> config.mak
1937   echo "SWSMAJOR=${sws_version%%.*}" >> config.mak
1938   echo "SWSVERSION=$sws_version" >> config.mak
1939   echo "SLIBNAME=${SLIBNAME}" >> config.mak
1940   echo "SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}" >> config.mak
1941   echo "SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}" >> config.mak
1942   echo "SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}" >> config.mak
1943   echo "SLIB_INSTALL_EXTRA_CMD=${SLIB_INSTALL_EXTRA_CMD}" >> config.mak
1944 fi
1945 echo "LIB_INSTALL_EXTRA_CMD=${LIB_INSTALL_EXTRA_CMD}" >> config.mak
1946 echo "EXTRALIBS=$extralibs" >> config.mak
1947
1948 print_config ARCH_   $TMPH config.mak $ARCH_LIST
1949 print_config HAVE_   $TMPH config.mak $HAVE_LIST
1950 print_config CONFIG_ $TMPH config.mak $CONFIG_LIST   \
1951                                       $DECODER_LIST  \
1952                                       $ENCODER_LIST  \
1953                                       $PARSER_LIST   \
1954                                       $BSF_LIST      \
1955                                       $DEMUXER_LIST  \
1956                                       $MUXER_LIST    \
1957                                       $PROTOCOL_LIST \
1958
1959 if test "$targetos" = darwin; then
1960   echo "#define CONFIG_DARWIN 1"  >> $TMPH
1961 fi
1962
1963 echo "#define restrict $_restrict" >> $TMPH
1964
1965 if test "$optimize" = "small"; then
1966   echo "#define always_inline"  >> $TMPH
1967   echo "#define CONFIG_SMALL 1" >> $TMPH
1968 fi
1969
1970 echo "SRC_PATH=\"$source_path\"" >> config.mak
1971 echo "SRC_PATH_BARE=$source_path" >> config.mak
1972 echo "BUILD_ROOT=\"$PWD\"" >> config.mak
1973
1974 # Apparently it's not possible to portably echo a backslash.
1975 if enabled asmalign_pot; then
1976   printf '#define ASMALIGN(ZEROBITS) ".align " #ZEROBITS "\\n\\t"\n' >> $TMPH
1977 else
1978   printf '#define ASMALIGN(ZEROBITS) ".align 1<<" #ZEROBITS "\\n\\t"\n' >> $TMPH
1979 fi
1980
1981
1982 # Do not overwrite config.h if unchanged to avoid superfluous rebuilds.
1983 if ! cmp -s $TMPH config.h; then
1984         mv -f $TMPH config.h
1985 else
1986         echo "config.h is unchanged"
1987 fi
1988
1989 rm -f $TMPO $TMPC $TMPE $TMPS $TMPH
1990
1991 # build tree in object directory if source path is different from current one
1992 if enabled source_path_used; then
1993     DIRS="\
1994          doc \
1995          libavformat \
1996          libavcodec \
1997          libavcodec/alpha \
1998          libavcodec/armv4l \
1999          libavcodec/bfin \
2000          libavcodec/i386 \
2001          libavcodec/sparc \
2002          libavcodec/mlib \
2003          libavcodec/ppc \
2004          libpostproc \
2005          libavutil \
2006          libswscale \
2007          tests \
2008          vhook \
2009          "
2010     FILES="\
2011           Makefile \
2012           common.mak \
2013           libavformat/Makefile \
2014           libavcodec/Makefile \
2015           libpostproc/Makefile \
2016           libavutil/Makefile \
2017           libswscale/Makefile \
2018           vhook/Makefile \
2019           doc/texi2pod.pl \
2020           "
2021     for dir in $DIRS ; do
2022             mkdir -p $dir
2023     done
2024     for f in $FILES ; do
2025         ln -sf "$source_path/$f" $f
2026     done
2027 fi
2028
2029
2030 # build pkg-config files
2031 # FIXME: libdir and includedir are hardcoded and may differ from the real path.
2032
2033 pkgconfig_generate(){
2034 name=$1
2035 comment=$2
2036 version=$3
2037 libs=$4
2038 requires=$5
2039 include=$6
2040 cat <<EOF >$name.pc
2041 prefix=$PREFIX
2042 exec_prefix=\${prefix}
2043 libdir=\${exec_prefix}/lib
2044 includedir=\${prefix}/include
2045
2046 Name: $name
2047 Description: $comment
2048 Version: $version
2049 Requires: $requires
2050 Conflicts:
2051 Libs: -L\${libdir} $libs
2052 Cflags: -I\${includedir} -I\${includedir}/$include
2053 EOF
2054 }
2055
2056 pkgconfig_generate_uninstalled(){
2057 name=$1
2058 shortname=${name#lib}
2059 comment=$2
2060 version=$3
2061 libs=$4
2062 requires=$5
2063 cat <<EOF >$name-uninstalled.pc
2064 prefix=
2065 exec_prefix=
2066 libdir=\${pcfiledir}/$name
2067 includedir=\${pcfiledir}/$name
2068
2069 Name: $name
2070 Description: $comment
2071 Version: $version
2072 Requires: $requires
2073 Conflicts:
2074 Libs: \${libdir}/${LIBPREF}${shortname}${LIBSUF} $libs
2075 Cflags: -I\${includedir}
2076 EOF
2077 }
2078
2079 pkgconfig_generate libavutil "FFmpeg utility library" "$lavu_version" -lavutil "" ffmpeg
2080 pkgconfig_generate_uninstalled libavutil "FFmpeg utility library" "$lavu_version"
2081
2082 pkgconfig_generate libavcodec "FFmpeg codec library" "$lavc_version" "-lavcodec $extralibs" "$pkg_requires libavutil = $lavu_version" ffmpeg
2083 pkgconfig_generate_uninstalled libavcodec "FFmpeg codec library" "$lavc_version" "$extralibs" "$pkg_requires libavutil = $lavu_version"
2084
2085 pkgconfig_generate libavformat "FFmpeg container format library" "$lavf_version" "-lavformat $extralibs" "$pkg_requires libavcodec = $lavc_version" ffmpeg
2086 pkgconfig_generate_uninstalled libavformat "FFmpeg container format library" "$lavf_version" "$extralibs" "$pkg_requires libavcodec = $lavc_version"
2087
2088 if enabled pp; then
2089   pkgconfig_generate libpostproc "FFmpeg post processing library" "$pp_version" -lpostproc "" postproc
2090   pkgconfig_generate_uninstalled libpostproc "FFmpeg post processing library" "$pp_version"
2091 fi
2092
2093 if enabled swscaler; then
2094   pkgconfig_generate libswscale "FFmpeg image rescaling library" "$sws_version" -lswscale "libavutil = $lavu_version" ffmpeg
2095   pkgconfig_generate_uninstalled libswscale "FFmpeg image rescaling library" "$sws_version" "" "libavutil = $lavu_version"
2096 else
2097   pkgconfig_generate libswscale "FFmpeg image rescaling library" "$sws_version" "" "$pkg_requires libavcodec = $lavc_version" ffmpeg
2098   pkgconfig_generate_uninstalled libswscale "FFmpeg image rescaling library" "$sws_version" "" "$pkg_requires libavcodec = $lavc_version"
2099   apply libswscale.pc sed s/^Libs:.*$/Libs:/
2100   apply libswscale-uninstalled.pc sed s/^Libs:.*$/Libs:/
2101 fi