git.sesse.net Git - x264/blob - configure

   1 #!/bin/bash
   2
   3 if test x"$1" = x"-h" -o x"$1" = x"--help" ; then
   4
   5 echo "Usage: ./configure [options]"
   6 echo ""
   7 echo "available options:"
   8 echo ""
   9 echo "  --help                   print this message"
  10 echo "  --disable-avs            disables avisynth support (windows only)"
  11 echo "  --disable-lavf           disables libavformat support"
  12 echo "  --disable-ffms           disables ffmpegsource support"
  13 echo "  --disable-gpac           disables gpac support"
  14 echo "  --disable-pthread        disables multithreaded encoding"
  15 echo "  --disable-swscale        disables swscale support"
  16 echo "  --disable-asm            disables platform-specific assembly optimizations"
  17 echo "  --enable-debug           adds -g, doesn't strip"
  18 echo "  --enable-gprof           adds -pg, doesn't strip"
  19 echo "  --enable-visualize       enables visualization (X11 only)"
  20 echo "  --enable-pic             build position-independent code"
  21 echo "  --enable-shared          build libx264.so"
  22 echo "  --bit-depth=BIT_DEPTH    sets output bit depth (8-10), default 8"
  23 echo "  --extra-asflags=EASFLAGS add EASFLAGS to ASFLAGS"
  24 echo "  --extra-cflags=ECFLAGS   add ECFLAGS to CFLAGS"
  25 echo "  --extra-ldflags=ELDFLAGS add ELDFLAGS to LDFLAGS"
  26 echo "  --host=HOST              build programs to run on HOST"
  27 echo "  --cross-prefix=PREFIX    use PREFIX for compilation tools"
  28 echo "  --sysroot=SYSROOT        root of cross-build tree"
  29 echo ""
  30 exit 1
  31 fi
  32
  33 log_check() {
  34     echo -n "checking $1... " >> config.log
  35 }
  36
  37 log_ok() {
  38     echo "yes" >> config.log
  39 }
  40
  41 log_fail() {
  42     echo "no" >> config.log
  43 }
  44
  45 log_msg() {
  46     echo "$1" >> config.log
  47 }
  48
  49 cc_check() {
  50     if [ -z "$3" ]; then
  51         if [ -z "$1$2" ]; then
  52             log_check "whether $CC works"
  53         elif [ -z "$1" ]; then
  54             log_check "for $2"
  55         else
  56             log_check "for $1"
  57         fi
  58     elif [ -z "$1" ]; then
  59         log_check "whether $CC supports $3"
  60     else
  61         log_check "for $3 in $1";
  62     fi
  63     rm -f conftest.c
  64     [ -n "$1" ] && echo "#include <$1>" > conftest.c
  65     echo "int main () { $3 return 0; }" >> conftest.c
  66     if $CC conftest.c $CFLAGS $2 $LDFLAGSCLI $LDFLAGS -o conftest >conftest.log 2>&1; then
  67         res=$?
  68         log_ok
  69     else
  70         res=$?
  71         log_fail
  72         log_msg "Failed commandline was:"
  73         log_msg "--------------------------------------------------"
  74         log_msg "$CC conftest.c $CFLAGS $2 $LDFLAGSCLI $LDFLAGS"
  75         cat conftest.log >> config.log
  76         log_msg "--------------------------------------------------"
  77     fi
  78     return $res
  79 }
  80
  81 cpp_check() {
  82     log_check "whether $3 is true"
  83     rm -f conftest.c
  84     [ -n "$1" ] && echo "#include <$1>" > conftest.c
  85     echo -e "#if !($3) \n#error $4 \n#endif " >> conftest.c
  86
  87     if $CC conftest.c $CFLAGS $2 -E -o conftest >conftest.log 2>&1; then
  88         res=$?
  89         log_ok
  90     else
  91         res=$?
  92         log_fail
  93         log_msg "--------------------------------------------------"
  94         cat conftest.log >> config.log
  95         log_msg "--------------------------------------------------"
  96     fi
  97     return $res
  98 }
  99
 100 as_check() {
 101     log_check "whether $AS supports $1"
 102     echo "$1" > conftest.asm
 103     if $AS conftest.asm $ASFLAGS $2 -o conftest.o >conftest.log 2>&1; then
 104         res=$?
 105         log_ok
 106     else
 107         res=$?
 108         log_fail
 109         log_msg "Failed commandline was:"
 110         log_msg "--------------------------------------------------"
 111         log_msg "$AS conftest.asm $ASFLAGS $2 -o conftest.o"
 112         cat conftest.log >> config.log
 113         log_msg "--------------------------------------------------"
 114     fi
 115     return $res
 116 }
 117
 118 define() {
 119     echo "#define $1$([ -n "$2" ] && echo " $2" || echo " 1")" >> config.h
 120 }
 121
 122 die() {
 123     log_msg "DIED: $@"
 124     echo "$@"
 125     exit 1
 126 }
 127
 128 rm -f config.h config.mak config.log x264.pc conftest*
 129
 130 prefix='/usr/local'
 131 exec_prefix='${prefix}'
 132 bindir='${exec_prefix}/bin'
 133 libdir='${exec_prefix}/lib'
 134 includedir='${prefix}/include'
 135 DEVNULL='/dev/null'
 136
 137 avs="auto"
 138 lavf="auto"
 139 ffms="auto"
 140 gpac="auto"
 141 pthread="auto"
 142 swscale="auto"
 143 asm="auto"
 144 debug="no"
 145 gprof="no"
 146 pic="no"
 147 vis="no"
 148 shared="no"
 149 bit_depth="8"
 150
 151 CFLAGS="$CFLAGS -Wall -I."
 152 LDFLAGS="$LDFLAGS"
 153 LDFLAGSCLI="$LDFLAGSCLI"
 154 ASFLAGS="$ASFLAGS"
 155 HAVE_GETOPT_LONG=1
 156 cross_prefix=""
 157
 158 EXE=""
 159
 160 # parse options
 161
 162 for opt do
 163     optarg="${opt#*=}"
 164     case "$opt" in
 165         --prefix=*)
 166             prefix="$optarg"
 167             ;;
 168         --exec-prefix=*)
 169             exec_prefix="$optarg"
 170             ;;
 171         --bindir=*)
 172             bindir="$optarg"
 173             ;;
 174         --libdir=*)
 175             libdir="$optarg"
 176             ;;
 177         --includedir=*)
 178             includedir="$optarg"
 179             ;;
 180         --disable-asm)
 181             asm="no"
 182             ;;
 183         --disable-avs)
 184             avs="no"
 185             ;;
 186         --disable-lavf)
 187             lavf="no"
 188             ;;
 189         --disable-ffms)
 190             ffms="no"
 191             ;;
 192         --disable-gpac)
 193             gpac="no"
 194             ;;
 195         --extra-asflags=*)
 196             ASFLAGS="$ASFLAGS ${opt#--extra-asflags=}"
 197             ;;
 198         --extra-cflags=*)
 199             CFLAGS="$CFLAGS ${opt#--extra-cflags=}"
 200             ;;
 201         --extra-ldflags=*)
 202             LDFLAGS="$LDFLAGS ${opt#--extra-ldflags=}"
 203             ;;
 204         --disable-pthread)
 205             pthread="no"
 206             ;;
 207         --disable-swscale)
 208             swscale="no"
 209             ;;
 210         --enable-debug)
 211             debug="yes"
 212             ;;
 213         --enable-gprof)
 214             CFLAGS="$CFLAGS -pg"
 215             LDFLAGS="$LDFLAGS -pg"
 216             gprof="yes"
 217             ;;
 218         --enable-pic)
 219             pic="yes"
 220             ;;
 221         --enable-shared)
 222             shared="yes"
 223             ;;
 224         --enable-visualize)
 225             vis="yes"
 226             ;;
 227         --host=*)
 228             host="${opt#--host=}"
 229             ;;
 230         --cross-prefix=*)
 231             cross_prefix="${opt#--cross-prefix=}"
 232             ;;
 233         --sysroot=*)
 234             CFLAGS="$CFLAGS --sysroot=${opt#--sysroot=}"
 235             LDFLAGS="$LDFLAGS --sysroot=${opt#--sysroot=}"
 236             ;;
 237         --bit-depth=*)
 238             bit_depth="${opt#--bit-depth=}"
 239             if [ "$bit_depth" -lt "8" -o "$bit_depth" -gt "10" ]; then
 240                 echo "Supplied bit depth must be in range [8,10]."
 241                 exit 1
 242             fi
 243             bit_depth=`expr $bit_depth + 0`
 244             ;;
 245         *)
 246             echo "Unknown option $opt, ignored"
 247             ;;
 248     esac
 249 done
 250
 251 CC="${CC-${cross_prefix}gcc}"
 252 AR="${AR-${cross_prefix}ar}"
 253 RANLIB="${RANLIB-${cross_prefix}ranlib}"
 254 STRIP="${STRIP-${cross_prefix}strip}"
 255
 256 if [ "x$host" = x ]; then
 257     host=`./config.guess`
 258 fi
 259 # normalize a triplet into a quadruplet
 260 host=`./config.sub $host`
 261
 262 # split $host
 263 host_cpu="${host%%-*}"
 264 host="${host#*-}"
 265 host_vendor="${host%%-*}"
 266 host_os="${host#*-}"
 267
 268 case $host_os in
 269   beos*)
 270     SYS="BEOS"
 271     define HAVE_MALLOC_H
 272     ;;
 273   darwin*)
 274     SYS="MACOSX"
 275     CFLAGS="$CFLAGS -falign-loops=16"
 276     LDFLAGS="$LDFLAGS -lm"
 277     if [ "$pic" = "no" ]; then
 278         cc_check "" -mdynamic-no-pic && CFLAGS="$CFLAGS -mdynamic-no-pic"
 279     fi
 280     ;;
 281   freebsd*)
 282     SYS="FREEBSD"
 283     LDFLAGS="$LDFLAGS -lm"
 284     ;;
 285   kfreebsd*-gnu)
 286     SYS="FREEBSD"
 287     define HAVE_MALLOC_H
 288     LDFLAGS="$LDFLAGS -lm"
 289     ;;
 290   netbsd*)
 291     SYS="NETBSD"
 292     LDFLAGS="$LDFLAGS -lm"
 293     ;;
 294   openbsd*)
 295     SYS="OPENBSD"
 296     CFLAGS="$CFLAGS -I/usr/X11R6/include"
 297     LDFLAGS="$LDFLAGS -lm"
 298     ;;
 299   *linux*)
 300     SYS="LINUX"
 301     define HAVE_MALLOC_H
 302     LDFLAGS="$LDFLAGS -lm"
 303     ;;
 304   cygwin*)
 305     SYS="MINGW"
 306     EXE=".exe"
 307     DEVNULL="NUL"
 308     if cc_check "" -mno-cygwin; then
 309         CFLAGS="$CFLAGS -mno-cygwin"
 310         LDFLAGS="$LDFLAGS -mno-cygwin"
 311     fi
 312     ;;
 313   mingw*)
 314     SYS="MINGW"
 315     EXE=".exe"
 316     DEVNULL="NUL"
 317     ;;
 318   sunos*|solaris*)
 319     SYS="SunOS"
 320     define HAVE_MALLOC_H
 321     LDFLAGS="$LDFLAGS -lm"
 322     HAVE_GETOPT_LONG=0
 323     ;;
 324   *)
 325     die "Unknown system $host, edit the configure"
 326     ;;
 327 esac
 328
 329 case $host_cpu in
 330   i*86)
 331     ARCH="X86"
 332     AS="yasm"
 333     ASFLAGS="$ASFLAGS -O2"
 334     if [[ "$asm" == auto && "$CFLAGS" != *-march* ]]; then
 335       CFLAGS="$CFLAGS -march=i686"
 336     fi
 337     if [[ "$asm" == auto && "$CFLAGS" != *-mfpmath* ]]; then
 338       CFLAGS="$CFLAGS -mfpmath=sse -msse"
 339     fi
 340     if [ "$SYS" = MACOSX ]; then
 341       ASFLAGS="$ASFLAGS -f macho -DPREFIX"
 342     elif [ "$SYS" = MINGW ]; then
 343       ASFLAGS="$ASFLAGS -f win32 -DPREFIX"
 344       LDFLAGS="$LDFLAGS -Wl,--large-address-aware"
 345     else
 346       ASFLAGS="$ASFLAGS -f elf"
 347     fi
 348     ;;
 349   x86_64)
 350     ARCH="X86_64"
 351     AS="yasm"
 352     if [ "$SYS" = MACOSX ];then
 353       ASFLAGS="$ASFLAGS -f macho64 -m amd64 -DPIC -DPREFIX"
 354       if cc_check '' "-arch x86_64"; then
 355         CFLAGS="$CFLAGS -arch x86_64"
 356         LDFLAGS="$LDFLAGS -arch x86_64"
 357       fi
 358     elif [ "$SYS" = MINGW ]; then
 359       ASFLAGS="$ASFLAGS -f win32 -m amd64 -DPREFIX"
 360     else
 361       ASFLAGS="$ASFLAGS -f elf -m amd64"
 362     fi
 363     ;;
 364   powerpc|powerpc64)
 365     ARCH="PPC"
 366     if [ $asm = auto ] ; then
 367       define HAVE_ALTIVEC
 368       AS="${AS-${cross_prefix}gcc}"
 369       if [ $SYS = MACOSX ] ; then
 370         CFLAGS="$CFLAGS -faltivec -fastf -mcpu=G4"
 371       else
 372         CFLAGS="$CFLAGS -maltivec -mabi=altivec"
 373         define HAVE_ALTIVEC_H
 374       fi
 375     fi
 376     ;;
 377   sparc)
 378     if [ $asm = auto ] && test "$(uname -m)" = "sun4u"; then
 379       ARCH="UltraSparc"
 380       CFLAGS="$CFLAGS -mcpu=ultrasparc"
 381       LDFLAGS="$LDFLAGS -mcpu=ultrasparc"
 382       AS="${AS-${cross_prefix}as}"
 383       ASFLAGS="$ASFLAGS -xarch=v8plusa"
 384     else
 385       ARCH="Sparc"
 386     fi
 387     ;;
 388   mips|mipsel|mips64|mips64el)
 389     ARCH="MIPS"
 390     ;;
 391   arm*)
 392     ARCH="ARM"
 393     if [ "$SYS" = MACOSX ] ; then
 394       AS="${AS-extras/gas-preprocessor.pl $CC}"
 395       ASFLAGS="$ASFLAGS -DPREFIX -DPIC"  # apple's ld doesn't support movw/movt relocations at all
 396       # build for armv7 by default
 397       if ! echo $CFLAGS | grep -Eq '\-arch' ; then
 398         CFLAGS="$CFLAGS -arch armv7"
 399         LDFLAGS="$LDFLAGS -arch armv7"
 400       fi
 401     else
 402       AS="${AS-${cross_prefix}gcc}"
 403     fi
 404     ;;
 405   s390|s390x)
 406     ARCH="S390"
 407     ;;
 408   parisc|parisc64)
 409     ARCH="PARISC"
 410     ;;
 411   ia64)
 412     ARCH="IA64"
 413     ;;
 414   *)
 415     ARCH="$(echo $host_cpu | tr a-z A-Z)"
 416     ;;
 417 esac
 418
 419 log_msg "x264 configure script"
 420 if [ -n "$*" ]; then
 421     msg="Command line options:"
 422     for i in $@; do
 423         msg="$msg \"$i\""
 424     done
 425     log_msg "$msg"
 426 fi
 427 log_msg ""
 428
 429 # check requirements
 430
 431 cc_check || die "No working C compiler found."
 432
 433 if cc_check '' -std=gnu99 ; then
 434     CFLAGS="$CFLAGS -std=gnu99"
 435 elif cc_check '' -std=c99 ; then
 436     CFLAGS="$CFLAGS -std=c99 -D_POSIX_C_SOURCE=200112L -D_BSD_SOURCE"
 437 fi
 438
 439 if [ $shared = yes -a \( $ARCH = "X86_64" -o $ARCH = "PPC" -o $ARCH = "ALPHA" -o $ARCH = "ARM" -o $ARCH = "IA64" \) ] ; then
 440     pic="yes"
 441 fi
 442
 443 if [ $asm = auto -a \( $ARCH = X86 -o $ARCH = X86_64 \) ] ; then
 444     if ! as_check "lzcnt eax, eax" ; then
 445         VER=`($AS --version || echo no assembler) 2>$DEVNULL | head -n 1`
 446         echo "Found $VER"
 447         echo "Minimum version is yasm-0.6.2"
 448         echo "If you really want to compile without asm, configure with --disable-asm."
 449         exit 1
 450     fi
 451     if ! cc_check '' '' '__asm__("pabsw %xmm0, %xmm0");' ; then
 452         VER=`(as --version || echo no gnu as) 2>$DEVNULL | head -n 1`
 453         echo "Found $VER"
 454         echo "Minimum version is binutils-2.17"
 455         echo "Your compiler can't handle inline SSSE3 asm."
 456         echo "If you really want to compile without asm, configure with --disable-asm."
 457         exit 1
 458     fi
 459     define HAVE_MMX
 460 fi
 461
 462 if [ $asm = auto -a $ARCH = ARM ] ; then
 463     # set flags so neon is built by default
 464     echo $CFLAGS | grep -Eq '(-mcpu|-march|-mfpu|-mfloat-abi)' || CFLAGS="$CFLAGS -mcpu=cortex-a8 -mfpu=neon -mfloat-abi=softfp"
 465
 466     if  cc_check '' '' '__asm__("rev ip, ip");' ; then      define HAVE_ARMV6
 467         cc_check '' '' '__asm__("movt r0, #0");'         && define HAVE_ARMV6T2
 468         cc_check '' '' '__asm__("vadd.i16 q0, q0, q0");' && define HAVE_NEON
 469         ASFLAGS="$ASFLAGS $CFLAGS -c"
 470     else
 471         echo "You specified a pre-ARMv6 or Thumb-1 CPU in your CFLAGS."
 472         echo "If you really want to run on such a CPU, configure with --disable-asm."
 473         exit 1
 474     fi
 475 fi
 476
 477 [ $asm = no ] && AS=""
 478 [ "x$AS" = x ] && asm="no" || asm="yes"
 479
 480 define ARCH_$ARCH
 481 define SYS_$SYS
 482
 483 echo "int i = 0x42494745; double f = 0x1.0656e6469616ep+102;" > conftest.c
 484 $CC $CFLAGS conftest.c -c -o conftest.o 2>$DEVNULL || die "endian test failed"
 485 if grep -q BIGE conftest.o && grep -q FPendian conftest.o ; then
 486     define WORDS_BIGENDIAN
 487 elif !(grep -q EGIB conftest.o && grep -q naidnePF conftest.o) ; then
 488     die "endian test failed"
 489 fi
 490
 491 # autodetect options that weren't forced nor disabled
 492
 493 libpthread=""
 494 if test "$pthread" = "auto" ; then
 495     pthread="no"
 496     case $SYS in
 497         BEOS)
 498             pthread="yes"
 499             ;;
 500         MINGW)
 501             if cc_check pthread.h -lpthread "pthread_create(0,0,0,0);" ; then
 502                 pthread="yes"
 503                 libpthread="-lpthread"
 504             elif cc_check pthread.h -lpthreadGC2 "pthread_create(0,0,0,0);" ; then
 505                 pthread="yes"
 506                 libpthread="-lpthreadGC2"
 507             elif cc_check pthread.h "-lpthreadGC2 -lwsock32 -DPTW32_STATIC_LIB" "pthread_create(0,0,0,0);" ; then
 508                 pthread="yes"
 509                 libpthread="-lpthreadGC2 -lwsock32"
 510                 define PTW32_STATIC_LIB
 511             elif cc_check pthread.h "-lpthreadGC2 -lws2_32 -DPTW32_STATIC_LIB" "pthread_create(0,0,0,0);" ; then
 512                 pthread="yes"
 513                 libpthread="-lpthreadGC2 -lws2_32"
 514                 define PTW32_STATIC_LIB
 515             fi
 516             ;;
 517         OPENBSD)
 518             cc_check pthread.h -pthread && pthread="yes" && libpthread="-pthread"
 519             ;;
 520         *)
 521             cc_check pthread.h -lpthread && pthread="yes" && libpthread="-lpthread"
 522             ;;
 523     esac
 524 fi
 525 if test "$pthread" = "yes" ; then
 526     define HAVE_PTHREAD
 527     LDFLAGS="$LDFLAGS $libpthread"
 528 fi
 529
 530 if cc_check "math.h" "-Werror" "return log2f(2);" ; then
 531     define HAVE_LOG2F
 532 fi
 533
 534 if [ "$vis" = "yes" ] && cc_check "X11/Xlib.h" "-L/usr/X11R6/lib -lX11" "XOpenDisplay( 0 );" ; then
 535     LDFLAGS="-L/usr/X11R6/lib -lX11 $LDFLAGS"
 536     define HAVE_VISUALIZE
 537 else
 538     vis="no"
 539 fi
 540
 541 if [ "$swscale" = "auto" ] ; then
 542     swscale="no"
 543     if ${cross_prefix}pkg-config --exists libswscale 2>$DEVNULL; then
 544         SWSCALE_LIBS="$SWSCALE_LIBS $(${cross_prefix}pkg-config --libs libswscale)"
 545         SWSCALE_CFLAGS="$SWSCALE_CFLAGS $(${cross_prefix}pkg-config --cflags libswscale)"
 546     fi
 547     [ -z "$SWSCALE_LIBS" ] && SWSCALE_LIBS="-lswscale -lavutil"
 548
 549     error="swscale must be at least version 0.9.0"
 550     if cc_check "libswscale/swscale.h" "$SWSCALE_CFLAGS $SWSCALE_LIBS" "sws_getContext(0,0,0,0,0,0,0,0,0,0);" ; then
 551         if cpp_check "libswscale/swscale.h" "$SWSCALE_CFLAGS" "LIBSWSCALE_VERSION_INT >= AV_VERSION_INT(0,9,0)" "$error"; then
 552             define HAVE_SWSCALE
 553             swscale="yes"
 554         else
 555             echo "Warning: ${error}"
 556         fi
 557     fi
 558 fi
 559
 560 if [ "$lavf" = "auto" ] ; then
 561     lavf="no"
 562     if ${cross_prefix}pkg-config --exists libavformat libavcodec libswscale 2>$DEVNULL; then
 563         LAVF_LIBS="$LAVF_LIBS $(${cross_prefix}pkg-config --libs libavformat libavcodec libavutil libswscale)"
 564         LAVF_CFLAGS="$LAVF_CFLAGS $(${cross_prefix}pkg-config --cflags libavformat libavcodec libavutil libswscale)"
 565     fi
 566     if [ -z "$LAVF_LIBS" -a -z "$LAVF_CFLAGS" ]; then
 567         LAVF_LIBS="-lavformat"
 568         for lib in -lpostproc -lavcodec -lswscale -lavutil -lm -lz -lbz2 $libpthread -lavifil32; do
 569             cc_check "" $lib && LAVF_LIBS="$LAVF_LIBS $lib"
 570         done
 571     fi
 572     LAVF_LIBS="-L. $LAVF_LIBS"
 573     if cc_check libavformat/avformat.h "$LAVF_CFLAGS $LAVF_LIBS" "avcodec_decode_video2(0,0,0,0);" ; then
 574         # libvautil/pixdesc.h included the private header intreadwrite.h until r21854
 575         if cc_check libavutil/pixdesc.h "$LAVF_CFLAGS $LAVF_LIBS" ; then
 576             if [ "$swscale" = "yes" ]; then
 577                 lavf="yes"
 578                 define HAVE_LAVF
 579             else
 580                 echo "Warning: libavformat is not supported without swscale support"
 581             fi
 582         else
 583             echo "Warning: libavutil is too old, update to ffmpeg r21854+"
 584         fi
 585     fi
 586 fi
 587
 588 if [ "$ffms" = "auto" ] ; then
 589     ffms_major="2"; ffms_minor="13"; ffms_micro="1"; ffms_bump="0"
 590     ffms="no"
 591
 592     if ${cross_prefix}pkg-config --exists ffms2 2>$DEVNULL; then
 593         FFMS2_LIBS="$FFMS2_LIBS $(${cross_prefix}pkg-config --libs ffms2)"
 594         FFMS2_CFLAGS="$FFMS2_CFLAGS $(${cross_prefix}pkg-config --cflags ffms2)"
 595     fi
 596     [ -z "$FFMS2_LIBS" ] && FFMS2_LIBS="-lffms2"
 597
 598     if cc_check ffms.h "$FFMS2_CFLAGS $FFMS2_LIBS" "FFMS_DestroyVideoSource(0);" ; then
 599         ffms="yes"
 600     elif cc_check ffms.h "$FFMS2_CFLAGS $FFMS2_LIBS -lstdc++ $LAVF_LIBS" "FFMS_DestroyVideoSource(0);" ; then
 601         ffms="yes"
 602         FFMS2_LIBS="$FFMS2_LIBS -lstdc++ $LAVF_LIBS"
 603     fi
 604
 605     error="ffms must be at least version $ffms_major.$ffms_minor.$ffms_micro.$ffms_bump"
 606     if [ $ffms = "yes" ] && ! cpp_check "ffms.h" "$FFMS2_CFLAGS" "FFMS_VERSION >= (($ffms_major << 24) | ($ffms_minor << 16) | ($ffms_micro << 8) | $ffms_bump)" "$error"; then
 607        ffms="no"
 608        echo "Warning: $error"
 609     fi
 610     if [ "$ffms" = "yes" -a "$swscale" = "no" ]; then
 611         echo "Warning: ffms is not supported without swscale support"
 612         ffms="no"
 613     fi
 614 fi
 615
 616 if [ "$ffms" = "yes" ]; then
 617     LDFLAGSCLI="$FFMS2_LIBS $LDFLAGSCLI"
 618     CFLAGS="$CFLAGS $FFMS2_CFLAGS"
 619     define HAVE_FFMS
 620 elif [ "$lavf" = "yes" ]; then
 621     LDFLAGSCLI="$LAVF_LIBS $LDFLAGSCLI"
 622     CFLAGS="$CFLAGS $LAVF_CFLAGS"
 623 elif [ "$swscale" = "yes" ]; then
 624     LDFLAGSCLI="$SWSCALE_LIBS $LDFLAGSCLI"
 625     CFLAGS="$CFLAGS $SWSCALE_CFLAGS"
 626 fi
 627
 628 GPAC_LIBS="-lgpac_static"
 629 if [ $SYS = MINGW ]; then
 630     GPAC_LIBS="$GPAC_LIBS -lwinmm"
 631 fi
 632 if [ "$gpac" = "auto" ] ; then
 633     gpac="no"
 634     if cc_check gpac/isomedia.h "$GPAC_LIBS" ; then
 635         if cc_check gpac/isomedia.h "$GPAC_LIBS" "gf_isom_set_pixel_aspect_ratio(0,0,0,0,0);" ; then
 636             gpac="yes"
 637         else
 638             echo "Warning: gpac is too old, update to 2007-06-21 UTC or later"
 639         fi
 640     fi
 641 fi
 642 if [ "$gpac" = "yes" ] ; then
 643     define HAVE_GPAC
 644     if cc_check gpac/isomedia.h "-Werror $GPAC_LIBS" "gf_malloc(1); gf_free(NULL);" ; then
 645         define HAVE_GF_MALLOC
 646     fi
 647     LDFLAGSCLI="$GPAC_LIBS $LDFLAGSCLI"
 648 fi
 649
 650 if [ "$avs" = "auto" ] ; then
 651     avs="no"
 652     if [ $SYS = MINGW ] && cc_check extras/avisynth_c.h ; then
 653         avs="yes"
 654         define HAVE_AVS
 655     fi
 656 fi
 657
 658 if [ "$pic" = "yes" ] ; then
 659     CFLAGS="$CFLAGS -fPIC"
 660     ASFLAGS="$ASFLAGS -DPIC"
 661     # resolve textrels in the x86 asm
 662     cc_check stdio.h -Wl,-Bsymbolic && LDFLAGS="$LDFLAGS -Wl,-Bsymbolic"
 663 fi
 664
 665 if [ "$debug" != "yes" -a "$gprof" != "yes" ]; then
 666     CFLAGS="$CFLAGS -s -fomit-frame-pointer"
 667     LDFLAGS="$LDFLAGS -s"
 668 fi
 669
 670 if [ "$debug" = "yes" ]; then
 671     CFLAGS="-O1 -g $CFLAGS"
 672 elif [ $ARCH = ARM ]; then
 673     # arm-gcc-4.2 produces incorrect output with -ffast-math
 674     # and it doesn't save any speed anyway on 4.4, so disable it
 675     CFLAGS="-O3 -fno-fast-math $CFLAGS"
 676 else
 677     CFLAGS="-O3 -ffast-math $CFLAGS"
 678 fi
 679
 680 if cc_check '' -fno-tree-vectorize ; then
 681     CFLAGS="$CFLAGS -fno-tree-vectorize"
 682 fi
 683
 684 if cc_check "stdio.h" "" "fseeko(stdin,0,0);" ; then
 685     define fseek fseeko
 686     define ftell ftello
 687 elif cc_check "stdio.h" "" "fseeko64(stdin,0,0);" ; then
 688     define fseek fseeko64
 689     define ftell ftello64
 690 fi
 691
 692 if cc_check '' -Wshadow ; then
 693     CFLAGS="-Wshadow $CFLAGS"
 694 fi
 695
 696 if [ "$bit_depth" -gt "8" ]; then
 697     define X264_HIGH_BIT_DEPTH
 698 fi
 699
 700 define BIT_DEPTH $bit_depth
 701
 702 rm -f conftest*
 703
 704 # generate config files
 705
 706 cat > config.mak << EOF
 707 prefix=$prefix
 708 exec_prefix=$exec_prefix
 709 bindir=$bindir
 710 libdir=$libdir
 711 includedir=$includedir
 712 ARCH=$ARCH
 713 SYS=$SYS
 714 CC=$CC
 715 CFLAGS=$CFLAGS
 716 LDFLAGS=$LDFLAGS
 717 LDFLAGSCLI=$LDFLAGSCLI
 718 AR=$AR
 719 RANLIB=$RANLIB
 720 STRIP=$STRIP
 721 AS=$AS
 722 ASFLAGS=$ASFLAGS
 723 EXE=$EXE
 724 VIS=$vis
 725 HAVE_GETOPT_LONG=$HAVE_GETOPT_LONG
 726 DEVNULL=$DEVNULL
 727 EOF
 728
 729 if [ "$shared" = "yes" ]; then
 730     API=$(grep '#define X264_BUILD' < x264.h | cut -f 3 -d ' ')
 731     if [ "$SYS" = "MINGW" ]; then
 732         echo "SONAME=libx264-$API.dll" >> config.mak
 733         echo 'IMPLIBNAME=libx264.dll.a' >> config.mak
 734         echo 'SOFLAGS=-Wl,--out-implib,$(IMPLIBNAME) -Wl,--enable-auto-image-base' >> config.mak
 735     elif [ "$SYS" = "MACOSX" ]; then
 736         echo "SOSUFFIX=dylib" >> config.mak
 737         echo "SONAME=libx264.$API.dylib" >> config.mak
 738         echo 'SOFLAGS=-dynamiclib -Wl,-single_module -Wl,-read_only_relocs,suppress -install_name $(DESTDIR)$(libdir)/$(SONAME)' >> config.mak
 739     elif [ "$SYS" = "SunOS" ]; then
 740         echo "SOSUFFIX=so" >> config.mak
 741         echo "SONAME=libx264.so.$API" >> config.mak
 742         echo 'SOFLAGS=-Wl,-h,$(SONAME)' >> config.mak
 743     else
 744         echo "SOSUFFIX=so" >> config.mak
 745         echo "SONAME=libx264.so.$API" >> config.mak
 746         echo 'SOFLAGS=-Wl,-soname,$(SONAME)' >> config.mak
 747     fi
 748     echo 'default: $(SONAME)' >> config.mak
 749 fi
 750
 751 ./version.sh >> config.h
 752
 753 pclibs="-L$libdir -lx264 $libpthread"
 754
 755 cat > x264.pc << EOF
 756 prefix=$prefix
 757 exec_prefix=$exec_prefix
 758 libdir=$libdir
 759 includedir=$includedir
 760
 761 Name: x264
 762 Description: H.264 (MPEG4 AVC) encoder library
 763 Version: $(grep POINTVER < config.h | sed -e 's/.* "//; s/".*//')
 764 Libs: $pclibs
 765 Cflags: -I$includedir
 766 EOF
 767
 768 filters="crop select_every"
 769 [ $swscale = yes ] && filters="resize $filters"
 770
 771 cat > conftest.log <<EOF
 772 Platform:   $ARCH
 773 System:     $SYS
 774 asm:        $asm
 775 avs:        $avs
 776 lavf:       $lavf
 777 ffms:       $ffms
 778 gpac:       $gpac
 779 pthread:    $pthread
 780 filters:    $filters
 781 debug:      $debug
 782 gprof:      $gprof
 783 PIC:        $pic
 784 shared:     $shared
 785 visualize:  $vis
 786 bit depth:  $bit_depth
 787 EOF
 788
 789 echo >> config.log
 790 cat conftest.log >> config.log
 791 cat conftest.log
 792 rm conftest.log
 793
 794 echo
 795 echo "You can run 'make' or 'make fprofiled' now."
 796