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 cat <<EOF
   5 Usage: ./configure [options]
   6
   7 Help:
   8   -h, --help               print this message
   9
  10 Standard options:
  11   --prefix=PREFIX          install architecture-independent files in PREFIX
  12                            [/usr/local]
  13   --exec-prefix=EPREFIX    install architecture-dependent files in EPREFIX
  14                            [PREFIX]
  15   --bindir=DIR             install binaries in DIR [EPREFIX/bin]
  16   --libdir=DIR             install libs in DIR [EPREFIX/lib]
  17   --includedir=DIR         install includes in DIR [PREFIX/include]
  18   --extra-asflags=EASFLAGS add EASFLAGS to ASFLAGS
  19   --extra-cflags=ECFLAGS   add ECFLAGS to CFLAGS
  20   --extra-ldflags=ELDFLAGS add ELDFLAGS to LDFLAGS
  21
  22 Configuration options:
  23   --disable-cli            disable cli
  24   --system-libx264         use system libx264 instead of internal
  25   --enable-shared          build shared library
  26   --enable-static          build static library
  27   --disable-gpl            disable GPL-only features
  28   --disable-thread         disable multithreaded encoding
  29   --enable-win32thread     use win32threads (windows only)
  30   --disable-interlaced     disable interlaced encoding support
  31   --enable-visualize       enable visualization (X11 only)
  32   --bit-depth=BIT_DEPTH    set output bit depth (8-10) [8]
  33   --chroma-format=FORMAT   output chroma format (420, 422, 444, all) [all]
  34
  35 Advanced options:
  36   --disable-asm            disable platform-specific assembly optimizations
  37   --enable-debug           add -g
  38   --enable-gprof           add -pg
  39   --enable-strip           add -s
  40   --enable-pic             build position-independent code
  41
  42 Cross-compilation:
  43   --host=HOST              build programs to run on HOST
  44   --cross-prefix=PREFIX    use PREFIX for compilation tools
  45   --sysroot=SYSROOT        root of cross-build tree
  46
  47 External library support:
  48   --disable-avs            disable avisynth support (windows only)
  49   --disable-swscale        disable swscale support
  50   --disable-lavf           disable libavformat support
  51   --disable-ffms           disable ffmpegsource support
  52   --disable-gpac           disable gpac support
  53
  54 EOF
  55 exit 1
  56 fi
  57
  58 log_check() {
  59     echo -n "checking $1... " >> config.log
  60 }
  61
  62 log_ok() {
  63     echo "yes" >> config.log
  64 }
  65
  66 log_fail() {
  67     echo "no" >> config.log
  68 }
  69
  70 log_msg() {
  71     echo "$1" >> config.log
  72 }
  73
  74 intel_cflags() {
  75     # Intel Compiler issues an incredibly large number of warnings on any warning level,
  76     # suppress them by disabling all warnings rather than having to use #pragmas to disable most of them
  77     for arg in $*; do
  78         [ $arg = -ffast-math ] && arg=
  79         [[ "$arg" = -falign-loops* ]] && arg=
  80         [ "$arg" = -fno-tree-vectorize ] && arg=
  81         [ "$arg" = -Wshadow ] && arg=
  82         if [ $compiler = ICL ]; then
  83             [ "$arg" = -Wall ] && arg=-W0
  84             [ "$arg" = -g ] && arg=-Z7
  85             [ "$arg" = -fomit-frame-pointer ] && arg=
  86             [ "$arg" = -s ] && arg=
  87             [ "$arg" = -fPIC ] && arg=
  88         else
  89             [ "$arg" = -Wall ] && arg=-w0
  90         fi
  91
  92         [ -n "$arg" ] && echo -n "$arg "
  93     done
  94 }
  95
  96 icl_ldflags() {
  97     for arg in $*; do
  98         arg=${arg/LIBPATH/libpath}
  99         [ ${arg#-libpath:} == $arg -a ${arg#-l} != $arg ] && arg=${arg#-l}.lib
 100         [ ${arg#-L} != $arg ] && arg=-libpath:${arg#-L}
 101         [ $arg = -Wl,--large-address-aware ] && arg=-largeaddressaware
 102         [ $arg = -s ] && arg=
 103         [ "$arg" = -Wl,-Bsymbolic ] && arg=
 104
 105         arg=${arg/pthreadGC/pthreadVC}
 106         [ "$arg" = avifil32.lib ] && arg=vfw32.lib
 107         [ "$arg" = gpac_static.lib ] && arg=libgpac_static.lib
 108
 109         [ -n "$arg" ] && echo -n "$arg "
 110     done
 111 }
 112
 113 cc_check() {
 114     if [ -z "$3" ]; then
 115         if [ -z "$1$2" ]; then
 116             log_check "whether $CC works"
 117         elif [ -z "$1" ]; then
 118             log_check "for $2"
 119         else
 120             log_check "for $1"
 121         fi
 122     elif [ -z "$1" ]; then
 123         if [ -z "$2" ]; then
 124             log_check "whether $CC supports $3"
 125         else
 126             log_check "whether $CC supports $3 with $2"
 127         fi
 128     else
 129         log_check "for $3 in $1";
 130     fi
 131     rm -f conftest.c
 132     [ -n "$1" ] && echo "#include <$1>" > conftest.c
 133     echo "int main () { $3 return 0; }" >> conftest.c
 134     if [ $compiler = ICL ]; then
 135         cc_cmd="$CC conftest.c $CFLAGS $2 -link $(icl_ldflags $2 $LDFLAGSCLI $LDFLAGS)"
 136     else
 137         cc_cmd="$CC conftest.c $CFLAGS $2 $LDFLAGSCLI $LDFLAGS -o conftest"
 138     fi
 139     if $cc_cmd >conftest.log 2>&1; then
 140         res=$?
 141         log_ok
 142     else
 143         res=$?
 144         log_fail
 145         log_msg "Failed commandline was:"
 146         log_msg "--------------------------------------------------"
 147         log_msg "$cc_cmd"
 148         cat conftest.log >> config.log
 149         log_msg "--------------------------------------------------"
 150         log_msg "Failed program was:"
 151         log_msg "--------------------------------------------------"
 152         cat conftest.c >> config.log
 153         log_msg "--------------------------------------------------"
 154     fi
 155     return $res
 156 }
 157
 158 cpp_check() {
 159     log_check "whether $3 is true"
 160     rm -f conftest.c
 161     [ -n "$1" ] && echo "#include <$1>" > conftest.c
 162     echo -e "#if !($3) \n#error $4 \n#endif " >> conftest.c
 163
 164     if $CC conftest.c $CFLAGS $2 -E -o conftest >conftest.log 2>&1; then
 165         res=$?
 166         log_ok
 167     else
 168         res=$?
 169         log_fail
 170         log_msg "--------------------------------------------------"
 171         cat conftest.log >> config.log
 172         log_msg "--------------------------------------------------"
 173         log_msg "Failed program was:"
 174         log_msg "--------------------------------------------------"
 175         cat conftest.c >> config.log
 176         log_msg "--------------------------------------------------"
 177     fi
 178     return $res
 179 }
 180
 181 as_check() {
 182     log_check "whether $AS supports $1"
 183     echo "$1" > conftest.asm
 184     if $AS conftest.asm $ASFLAGS $2 -o conftest.o >conftest.log 2>&1; then
 185         res=$?
 186         log_ok
 187     else
 188         res=$?
 189         log_fail
 190         log_msg "Failed commandline was:"
 191         log_msg "--------------------------------------------------"
 192         log_msg "$AS conftest.asm $ASFLAGS $2 -o conftest.o"
 193         cat conftest.log >> config.log
 194         log_msg "--------------------------------------------------"
 195         log_msg "Failed program was:"
 196         log_msg "--------------------------------------------------"
 197         cat conftest.asm >> config.log
 198         log_msg "--------------------------------------------------"
 199     fi
 200     return $res
 201 }
 202
 203 define() {
 204     echo "#define $1$([ -n "$2" ] && echo " $2" || echo " 1")" >> config.h
 205 }
 206
 207 die() {
 208     log_msg "DIED: $@"
 209     echo "$@"
 210     exit 1
 211 }
 212
 213 rm -f x264_config.h config.h config.mak config.log x264.pc x264.def conftest*
 214
 215 prefix='/usr/local'
 216 exec_prefix='${prefix}'
 217 bindir='${exec_prefix}/bin'
 218 libdir='${exec_prefix}/lib'
 219 includedir='${prefix}/include'
 220 DEVNULL='/dev/null'
 221
 222 cli="yes"
 223 cli_libx264="internal"
 224 shared="no"
 225 static="no"
 226 avs="auto"
 227 lavf="auto"
 228 ffms="auto"
 229 gpac="auto"
 230 gpl="yes"
 231 thread="auto"
 232 swscale="auto"
 233 asm="auto"
 234 interlaced="yes"
 235 debug="no"
 236 gprof="no"
 237 strip="no"
 238 pic="no"
 239 vis="no"
 240 bit_depth="8"
 241 chroma_format="all"
 242 compiler="GNU"
 243
 244 CFLAGS="$CFLAGS -Wall -I."
 245 LDFLAGS="$LDFLAGS"
 246 LDFLAGSCLI="$LDFLAGSCLI"
 247 ASFLAGS="$ASFLAGS"
 248 HAVE_GETOPT_LONG=1
 249 cross_prefix=""
 250
 251 EXE=""
 252
 253 # list of all preprocessor HAVE values we can define
 254 CONFIG_HAVE="MALLOC_H ALTIVEC ALTIVEC_H MMX ARMV6 ARMV6T2 NEON BEOSTHREAD POSIXTHREAD WIN32THREAD THREAD LOG2F VISUALIZE SWSCALE LAVF FFMS GPAC GF_MALLOC AVS GPL VECTOREXT INTERLACED CPU_COUNT"
 255
 256 # parse options
 257
 258 for opt do
 259     optarg="${opt#*=}"
 260     case "$opt" in
 261         --prefix=*)
 262             prefix="$optarg"
 263             ;;
 264         --exec-prefix=*)
 265             exec_prefix="$optarg"
 266             ;;
 267         --bindir=*)
 268             bindir="$optarg"
 269             ;;
 270         --libdir=*)
 271             libdir="$optarg"
 272             ;;
 273         --includedir=*)
 274             includedir="$optarg"
 275             ;;
 276         --disable-cli)
 277             cli="no"
 278             ;;
 279         --system-libx264)
 280             cli_libx264="system"
 281             ;;
 282         --enable-shared)
 283             shared="yes"
 284             ;;
 285         --enable-static)
 286             static="yes"
 287             ;;
 288         --disable-asm)
 289             asm="no"
 290             ;;
 291         --disable-interlaced)
 292             interlaced="no"
 293             ;;
 294         --disable-avs)
 295             avs="no"
 296             ;;
 297         --disable-lavf)
 298             lavf="no"
 299             ;;
 300         --disable-ffms)
 301             ffms="no"
 302             ;;
 303         --disable-gpac)
 304             gpac="no"
 305             ;;
 306         --disable-gpl)
 307             gpl="no"
 308             ;;
 309         --extra-asflags=*)
 310             ASFLAGS="$ASFLAGS $optarg"
 311             ;;
 312         --extra-cflags=*)
 313             CFLAGS="$CFLAGS $optarg"
 314             ;;
 315         --extra-ldflags=*)
 316             LDFLAGS="$LDFLAGS $optarg"
 317             ;;
 318         --disable-thread)
 319             thread="no"
 320             ;;
 321         --enable-win32thread)
 322             thread="win32"
 323             ;;
 324         --disable-swscale)
 325             swscale="no"
 326             ;;
 327         --enable-debug)
 328             debug="yes"
 329             ;;
 330         --enable-gprof)
 331             CFLAGS="$CFLAGS -pg"
 332             LDFLAGS="$LDFLAGS -pg"
 333             gprof="yes"
 334             ;;
 335         --enable-strip)
 336             strip="yes"
 337             ;;
 338         --enable-pic)
 339             pic="yes"
 340             ;;
 341         --enable-visualize)
 342             vis="yes"
 343             ;;
 344         --host=*)
 345             host="$optarg"
 346             ;;
 347         --cross-prefix=*)
 348             cross_prefix="$optarg"
 349             ;;
 350         --sysroot=*)
 351             CFLAGS="$CFLAGS --sysroot=$optarg"
 352             LDFLAGS="$LDFLAGS --sysroot=$optarg"
 353             ;;
 354         --bit-depth=*)
 355             bit_depth="$optarg"
 356             if [ "$bit_depth" -lt "8" -o "$bit_depth" -gt "10" ]; then
 357                 echo "Supplied bit depth must be in range [8,10]."
 358                 exit 1
 359             fi
 360             bit_depth=`expr $bit_depth + 0`
 361             ;;
 362         --chroma-format=*)
 363             chroma_format="$optarg"
 364             if [ $chroma_format != "420" -a $chroma_format != "422" -a $chroma_format != "444" -a $chroma_format != "all" ]; then
 365                 echo "Supplied chroma format must be 420, 422, 444 or all."
 366                 exit 1
 367             fi
 368             ;;
 369         *)
 370             echo "Unknown option $opt, ignored"
 371             ;;
 372     esac
 373 done
 374
 375 [ "$cli" = "no" -a "$shared" = "no" -a "$static" = "no" ] && die "Nothing to build. Enable cli, shared or static."
 376
 377 CC="${CC-${cross_prefix}gcc}"
 378 AR="${AR-${cross_prefix}ar}"
 379 RANLIB="${RANLIB-${cross_prefix}ranlib}"
 380 STRIP="${STRIP-${cross_prefix}strip}"
 381
 382 if [ "x$host" = x ]; then
 383     host=`./config.guess`
 384 fi
 385 # normalize a triplet into a quadruplet
 386 host=`./config.sub $host`
 387
 388 # split $host
 389 host_cpu="${host%%-*}"
 390 host="${host#*-}"
 391 host_vendor="${host%%-*}"
 392 host_os="${host#*-}"
 393
 394 # test for use of Intel Compiler
 395 if [[ $host_os = mingw* || $host_os = cygwin* ]]; then
 396     if [[ `basename "$CC"` = icl* ]]; then
 397         # Windows Intel Compiler creates dependency generation with absolute Windows paths, Cygwin's make does not support Windows paths.
 398         [[ $host_os = cygwin* ]] && die "Windows Intel Compiler support requires MSYS"
 399         compiler=ICL
 400         CFLAGS="$CFLAGS -Qstd=c99 -nologo -Qms0 -DHAVE_STRING_H -Iextras"
 401         QPRE="-Q"
 402         `$CC 2>&1 | grep -q IA-32` && host_cpu=i486
 403         `$CC 2>&1 | grep -q "Intel(R) 64"` && host_cpu=x86_64
 404         cpp_check "" "" "_MSC_VER >= 1400" || die "Windows Intel Compiler support requires Visual Studio 2005 or newer"
 405     fi
 406 else
 407     if [[ `basename "$CC"` = icc* ]]; then
 408         AR="xiar"
 409         compiler=ICC
 410         QPRE="-"
 411     fi
 412 fi
 413
 414 case $host_os in
 415     beos*)
 416         SYS="BEOS"
 417         define HAVE_MALLOC_H
 418         ;;
 419     darwin*)
 420         SYS="MACOSX"
 421         CFLAGS="$CFLAGS -falign-loops=16"
 422         LDFLAGS="$LDFLAGS -lm"
 423         if [ "$pic" = "no" ]; then
 424             cc_check "" -mdynamic-no-pic && CFLAGS="$CFLAGS -mdynamic-no-pic"
 425         fi
 426         ;;
 427     freebsd*)
 428         SYS="FREEBSD"
 429         LDFLAGS="$LDFLAGS -lm"
 430         ;;
 431     kfreebsd*-gnu)
 432         SYS="FREEBSD"
 433         define HAVE_MALLOC_H
 434         LDFLAGS="$LDFLAGS -lm"
 435         ;;
 436     netbsd*)
 437         SYS="NETBSD"
 438         LDFLAGS="$LDFLAGS -lm"
 439         ;;
 440     openbsd*)
 441         SYS="OPENBSD"
 442         LDFLAGS="$LDFLAGS -lm"
 443         ;;
 444     *linux*)
 445         SYS="LINUX"
 446         define HAVE_MALLOC_H
 447         LDFLAGS="$LDFLAGS -lm"
 448         ;;
 449     gnu*)
 450         SYS="HURD"
 451         define HAVE_MALLOC_H
 452         LDFLAGS="$LDFLAGS -lm"
 453         ;;
 454     cygwin*)
 455         EXE=".exe"
 456         if cc_check "" -mno-cygwin; then
 457             CFLAGS="$CFLAGS -mno-cygwin"
 458             LDFLAGS="$LDFLAGS -mno-cygwin"
 459         fi
 460         if cpp_check "" "" "defined(__CYGWIN32__)" ; then
 461             define HAVE_MALLOC_H
 462             SYS="CYGWIN"
 463         else
 464             SYS="WINDOWS"
 465             DEVNULL="NUL"
 466         fi
 467         ;;
 468     mingw*)
 469         SYS="WINDOWS"
 470         EXE=".exe"
 471         DEVNULL="NUL"
 472         ;;
 473     sunos*|solaris*)
 474         SYS="SunOS"
 475         define HAVE_MALLOC_H
 476         LDFLAGS="$LDFLAGS -lm"
 477         HAVE_GETOPT_LONG=0
 478         ;;
 479     *)
 480         die "Unknown system $host, edit the configure"
 481         ;;
 482 esac
 483
 484 case $host_cpu in
 485     i*86)
 486         ARCH="X86"
 487         AS="yasm"
 488         ASFLAGS="$ASFLAGS -O2"
 489         if [ $compiler = GNU ]; then
 490             if [[ "$asm" == auto && "$CFLAGS" != *-march* ]]; then
 491                 CFLAGS="$CFLAGS -march=i686"
 492             fi
 493             if [[ "$asm" == auto && "$CFLAGS" != *-mfpmath* ]]; then
 494                 CFLAGS="$CFLAGS -mfpmath=sse -msse"
 495             fi
 496         else
 497             # icc on linux has various degrees of mod16 stack support
 498             if [ $SYS = LINUX ]; then
 499                 # < 11 is completely incapable of keeping a mod16 stack
 500                 if cpp_check "" "" "__INTEL_COMPILER < 1100" ; then
 501                     define BROKEN_STACK_ALIGNMENT
 502                 # 11 <= x < 12 is capable of keeping a mod16 stack, but defaults to not doing so.
 503                 elif cpp_check "" "" "__INTEL_COMPILER < 1200" ; then
 504                     CFLAGS="$CFLAGS -falign-stack=assume-16-byte"
 505                 fi
 506                 # >= 12 defaults to a mod16 stack
 507             fi
 508             # icl on windows has no mod16 stack support
 509             [ $SYS = WINDOWS ] && define BROKEN_STACK_ALIGNMENT
 510         fi
 511         if [ "$SYS" = MACOSX ]; then
 512             ASFLAGS="$ASFLAGS -f macho -DPREFIX"
 513         elif [ "$SYS" = WINDOWS -o "$SYS" = CYGWIN ]; then
 514             ASFLAGS="$ASFLAGS -f win32 -DPREFIX"
 515             LDFLAGS="$LDFLAGS -Wl,--large-address-aware"
 516         else
 517             ASFLAGS="$ASFLAGS -f elf"
 518         fi
 519         ;;
 520     x86_64)
 521         ARCH="X86_64"
 522         AS="yasm"
 523         if [ "$SYS" = MACOSX ]; then
 524             ASFLAGS="$ASFLAGS -f macho64 -m amd64 -DPIC -DPREFIX"
 525             if cc_check '' "-arch x86_64"; then
 526                 CFLAGS="$CFLAGS -arch x86_64"
 527                 LDFLAGS="$LDFLAGS -arch x86_64"
 528             fi
 529         elif [ "$SYS" = WINDOWS ]; then
 530             ASFLAGS="$ASFLAGS -f win32 -m amd64"
 531             # only the GNU toolchain is inconsistent in prefixing function names with _
 532             [ $compiler = GNU ] && cc_check "" "-S" && grep -q "_main:" conftest && ASFLAGS="$ASFLAGS -DPREFIX"
 533         else
 534             ASFLAGS="$ASFLAGS -f elf -m amd64"
 535         fi
 536         ;;
 537     powerpc|powerpc64)
 538         ARCH="PPC"
 539         if [ $asm = auto ] ; then
 540             define HAVE_ALTIVEC
 541             AS="${AS-${cross_prefix}gcc}"
 542             if [ $SYS = MACOSX ] ; then
 543                 CFLAGS="$CFLAGS -faltivec -fastf -mcpu=G4"
 544             else
 545                 CFLAGS="$CFLAGS -maltivec -mabi=altivec"
 546                 define HAVE_ALTIVEC_H
 547             fi
 548         fi
 549         ;;
 550     sparc)
 551         ARCH="SPARC"
 552         case $(uname -m) in
 553             sun4u|sun4v)
 554                 if [ $asm = auto ]; then
 555                     ARCH="UltraSPARC"
 556                     if ! echo $CFLAGS | grep -Eq '\-mcpu' ; then
 557                         CFLAGS="$CFLAGS -mcpu=ultrasparc"
 558                         LDFLAGS="$LDFLAGS -mcpu=ultrasparc"
 559                     fi
 560                     AS="${AS-${cross_prefix}as}"
 561                     ASFLAGS="$ASFLAGS -xarch=v8plusa"
 562                 fi
 563                 ;;
 564         esac
 565         ;;
 566     mips|mipsel|mips64|mips64el)
 567         ARCH="MIPS"
 568         ;;
 569     arm*)
 570         ARCH="ARM"
 571         if [ "$SYS" = MACOSX ] ; then
 572             AS="${AS-extras/gas-preprocessor.pl $CC}"
 573             ASFLAGS="$ASFLAGS -DPREFIX -DPIC"  # apple's ld doesn't support movw/movt relocations at all
 574             # build for armv7 by default
 575             if ! echo $CFLAGS | grep -Eq '\-arch' ; then
 576                 CFLAGS="$CFLAGS -arch armv7"
 577                 LDFLAGS="$LDFLAGS -arch armv7"
 578             fi
 579         else
 580             AS="${AS-${cross_prefix}gcc}"
 581         fi
 582         ;;
 583     s390|s390x)
 584         ARCH="S390"
 585         ;;
 586     parisc|parisc64)
 587         ARCH="PARISC"
 588         ;;
 589     ia64)
 590         ARCH="IA64"
 591         ;;
 592     alpha*)
 593         ARCH="ALPHA"
 594         ;;
 595     *)
 596         ARCH="$(echo $host_cpu | tr a-z A-Z)"
 597         ;;
 598 esac
 599
 600 log_msg "x264 configure script"
 601 if [ -n "$*" ]; then
 602     msg="Command line options:"
 603     for i in $@; do
 604         msg="$msg \"$i\""
 605     done
 606     log_msg "$msg"
 607 fi
 608 log_msg ""
 609
 610 # check requirements
 611
 612 cc_check || die "No working C compiler found."
 613
 614 if [ $compiler != ICL ]; then
 615     if cc_check '' -std=gnu99 'for( int i = 0; i < 9; i++ );' ; then
 616         CFLAGS="$CFLAGS -std=gnu99"
 617     elif cc_check '' -std=c99 'for( int i = 0; i < 9; i++ );' ; then
 618         CFLAGS="$CFLAGS -std=c99 -D_POSIX_C_SOURCE=200112L -D_BSD_SOURCE"
 619     elif ! cc_check '' '' 'for( int i = 0; i < 9; i++ );' ; then
 620         die "C99 compiler is needed for compilation."
 621     fi
 622 fi
 623
 624 if [ $shared = yes -a \( $ARCH = "X86_64" -o $ARCH = "PPC" -o $ARCH = "ALPHA" -o $ARCH = "ARM" -o $ARCH = "IA64" \) ] ; then
 625     pic="yes"
 626 fi
 627
 628 if [ $asm = auto -a \( $ARCH = X86 -o $ARCH = X86_64 \) ] ; then
 629     if ! as_check "vpaddw xmm0, xmm0, xmm0" ; then
 630         VER=`($AS --version || echo no assembler) 2>/dev/null | head -n 1`
 631         echo "Found $VER"
 632         echo "Minimum version is yasm-0.7.0"
 633         echo "If you really want to compile without asm, configure with --disable-asm."
 634         exit 1
 635     fi
 636     if ! cc_check '' '' '__asm__("pabsw %xmm0, %xmm0");' ; then
 637         VER=`(${cross_prefix}as --version || echo no gnu as) 2>/dev/null | head -n 1`
 638         echo "Found $VER"
 639         echo "Minimum version is binutils-2.17"
 640         echo "Your compiler can't handle inline SSSE3 asm."
 641         echo "If you really want to compile without asm, configure with --disable-asm."
 642         exit 1
 643     fi
 644     define HAVE_MMX
 645 fi
 646
 647 if [ $asm = auto -a $ARCH = ARM ] ; then
 648     # set flags so neon is built by default
 649     echo $CFLAGS | grep -Eq '(-mcpu|-march|-mfpu)' || CFLAGS="$CFLAGS -mcpu=cortex-a8 -mfpu=neon"
 650
 651     if  cc_check '' '' '__asm__("rev ip, ip");' ; then      define HAVE_ARMV6
 652         cc_check '' '' '__asm__("movt r0, #0");'         && define HAVE_ARMV6T2
 653         cc_check '' '' '__asm__("vadd.i16 q0, q0, q0");' && define HAVE_NEON
 654         ASFLAGS="$ASFLAGS $CFLAGS -c"
 655     else
 656         echo "You specified a pre-ARMv6 or Thumb-1 CPU in your CFLAGS."
 657         echo "If you really want to run on such a CPU, configure with --disable-asm."
 658         exit 1
 659     fi
 660 fi
 661
 662 [ $asm = no ] && AS=""
 663 [ "x$AS" = x ] && asm="no" || asm="yes"
 664
 665 define ARCH_$ARCH
 666 define SYS_$SYS
 667
 668 # skip endianness check for Intel Compiler, as all supported platforms are little. the -ipo flag will also cause the check to fail
 669 if [ $compiler = GNU ]; then
 670     echo "int i[2] = {0x42494745,0}; double f[2] = {0x1.0656e6469616ep+102,0};" > conftest.c
 671     $CC $CFLAGS conftest.c -c -o conftest.o 2>/dev/null || die "endian test failed"
 672     if (${cross_prefix}strings -a conftest.o | grep -q BIGE) && (${cross_prefix}strings -a conftest.o | grep -q FPendian) ; then
 673         define WORDS_BIGENDIAN
 674     elif !(${cross_prefix}strings -a conftest.o | grep -q EGIB && ${cross_prefix}strings -a conftest.o | grep -q naidnePF) ; then
 675         die "endian test failed"
 676     fi
 677 fi
 678
 679 # autodetect options that weren't forced nor disabled
 680
 681 # pthread-win32 is lgpl, prevent its use if --disable-gpl is specified and targeting windows
 682 [ "$SYS" = "WINDOWS" -a "$gpl" = "no" -a "$thread" = "auto" ] && thread="win32"
 683
 684 libpthread=""
 685 if [ "$thread" = "auto" ]; then
 686     thread="no"
 687     case $SYS in
 688         BEOS)
 689             thread="beos"
 690             define HAVE_BEOSTHREAD
 691             ;;
 692         WINDOWS)
 693             if cc_check pthread.h -lpthread "pthread_create(0,0,0,0);" ; then
 694                 thread="posix"
 695                 libpthread="-lpthread"
 696             elif cc_check pthread.h -lpthreadGC2 "pthread_create(0,0,0,0);" ; then
 697                 thread="posix"
 698                 libpthread="-lpthreadGC2"
 699             elif cc_check pthread.h "-lpthreadGC2 -lwsock32 -DPTW32_STATIC_LIB" "pthread_create(0,0,0,0);" ; then
 700                 thread="posix"
 701                 libpthread="-lpthreadGC2 -lwsock32"
 702                 define PTW32_STATIC_LIB
 703             elif cc_check pthread.h "-lpthreadGC2 -lws2_32 -DPTW32_STATIC_LIB" "pthread_create(0,0,0,0);" ; then
 704                 thread="posix"
 705                 libpthread="-lpthreadGC2 -lws2_32"
 706                 define PTW32_STATIC_LIB
 707             else
 708                 # default to native threading if pthread-win32 is unavailable
 709                 thread="win32"
 710             fi
 711             ;;
 712         OPENBSD)
 713             cc_check pthread.h -pthread && thread="posix" && libpthread="-pthread"
 714             ;;
 715         *)
 716             cc_check pthread.h -lpthread && thread="posix" && libpthread="-lpthread"
 717             ;;
 718     esac
 719 fi
 720 if [ "$thread" = "posix" ]; then
 721     LDFLAGS="$LDFLAGS $libpthread"
 722     define HAVE_POSIXTHREAD
 723     if [ "$SYS" = "LINUX" ] && cc_check sched.h "-D_GNU_SOURCE -Werror" "cpu_set_t p_aff; return CPU_COUNT(&p_aff);" ; then
 724         define HAVE_CPU_COUNT
 725     fi
 726 fi
 727 if [ "$thread" = "win32" ]; then
 728     # cygwin does not support win32 threads
 729     if [ "$SYS" = "WINDOWS" ]; then
 730         define HAVE_WIN32THREAD
 731     else
 732         thread="no"
 733     fi
 734 fi
 735 [ "$thread" != "no" ] && define HAVE_THREAD
 736
 737 if cc_check "math.h" "-Werror" "return log2f(2);" ; then
 738     define HAVE_LOG2F
 739 fi
 740
 741 if [ "$vis" = "yes" ] ; then
 742     save_CFLAGS="$CFLAGS"
 743     CFLAGS="$CFLAGS -I/usr/X11R6/include"
 744     if cc_check "X11/Xlib.h" "-L/usr/X11R6/lib -lX11" "XOpenDisplay(0);" ; then
 745         LDFLAGS="-L/usr/X11R6/lib -lX11 $LDFLAGS"
 746         define HAVE_VISUALIZE
 747     else
 748         vis="no"
 749         CFLAGS="$save_CFLAGS"
 750    fi
 751 fi
 752
 753 if [ "$swscale" = "auto" ] ; then
 754     swscale="no"
 755     if ${cross_prefix}pkg-config --exists libswscale 2>/dev/null; then
 756         SWSCALE_LIBS="$SWSCALE_LIBS $(${cross_prefix}pkg-config --libs libswscale libavutil)"
 757         SWSCALE_CFLAGS="$SWSCALE_CFLAGS $(${cross_prefix}pkg-config --cflags libswscale libavutil)"
 758     fi
 759     [ -z "$SWSCALE_LIBS" ] && SWSCALE_LIBS="-lswscale -lavutil"
 760
 761     if cc_check "libswscale/swscale.h" "$SWSCALE_CFLAGS $SWSCALE_LIBS" "sws_init_context(0,0,0);" ; then
 762         if cc_check "libavutil/pixdesc.h" "$SWSCALE_CFLAGS $SWSCALE_LIBS" "av_get_pix_fmt_name(0);" ; then
 763             swscale="yes"
 764         else
 765             echo "Warning: av_get_pix_fmt_name is missing from libavutil, update for swscale support"
 766         fi
 767     fi
 768 fi
 769
 770 if [ "$lavf" = "auto" ] ; then
 771     lavf="no"
 772     if ${cross_prefix}pkg-config --exists libavformat libavcodec libswscale 2>/dev/null; then
 773         LAVF_LIBS="$LAVF_LIBS $(${cross_prefix}pkg-config --libs libavformat libavcodec libavutil libswscale)"
 774         LAVF_CFLAGS="$LAVF_CFLAGS $(${cross_prefix}pkg-config --cflags libavformat libavcodec libavutil libswscale)"
 775     fi
 776     if [ -z "$LAVF_LIBS" -a -z "$LAVF_CFLAGS" ]; then
 777         LAVF_LIBS="-lavformat"
 778         for lib in -lpostproc -lavcodec -lavcore -lswscale -lavutil -lm -lz -lbz2 $libpthread -lavifil32; do
 779             cc_check "" $lib && LAVF_LIBS="$LAVF_LIBS $lib"
 780         done
 781     fi
 782     LAVF_LIBS="-L. $LAVF_LIBS"
 783     if cc_check libavformat/avformat.h "$LAVF_CFLAGS $LAVF_LIBS" "avformat_find_stream_info(0,0); avcodec_open2(0,0,0);" ; then
 784         if [ "$swscale" = "yes" ]; then
 785             lavf="yes"
 786         else
 787             echo "Warning: libavformat is not supported without swscale support"
 788         fi
 789     fi
 790 fi
 791
 792 if [ "$ffms" = "auto" ] ; then
 793     ffms_major="2"; ffms_minor="14"; ffms_micro="0"; ffms_bump="0"
 794     ffms="no"
 795
 796     if ${cross_prefix}pkg-config --exists ffms2 2>/dev/null; then
 797         FFMS2_LIBS="$FFMS2_LIBS $(${cross_prefix}pkg-config --libs ffms2)"
 798         FFMS2_CFLAGS="$FFMS2_CFLAGS $(${cross_prefix}pkg-config --cflags ffms2)"
 799     fi
 800     [ -z "$FFMS2_LIBS" ] && FFMS2_LIBS="-lffms2"
 801
 802     if cc_check ffms.h "$FFMS2_CFLAGS $FFMS2_LIBS" "FFMS_DestroyVideoSource(0);" ; then
 803         ffms="yes"
 804     elif cc_check ffms.h "$FFMS2_CFLAGS $FFMS2_LIBS -lstdc++ $LAVF_LIBS" "FFMS_DestroyVideoSource(0);" ; then
 805         ffms="yes"
 806         FFMS2_LIBS="$FFMS2_LIBS -lstdc++ $LAVF_LIBS"
 807     fi
 808
 809     error="ffms must be at least version $ffms_major.$ffms_minor.$ffms_micro.$ffms_bump"
 810     if [ $ffms = "yes" ] && ! cpp_check "ffms.h" "$FFMS2_CFLAGS" "FFMS_VERSION >= (($ffms_major << 24) | ($ffms_minor << 16) | ($ffms_micro << 8) | $ffms_bump)" "$error"; then
 811        ffms="no"
 812        echo "Warning: $error"
 813     fi
 814     if [ "$ffms" = "yes" -a "$swscale" = "no" ]; then
 815         echo "Warning: ffms is not supported without swscale support"
 816         ffms="no"
 817     fi
 818 fi
 819
 820 if [ "$swscale" = "yes" ]; then
 821     LDFLAGSCLI="$SWSCALE_LIBS $LDFLAGSCLI"
 822     CFLAGS="$CFLAGS $SWSCALE_CFLAGS"
 823     define HAVE_SWSCALE
 824     if [ "$lavf" = "yes" ]; then
 825         LDFLAGSCLI="$LAVF_LIBS $LDFLAGSCLI"
 826         CFLAGS="$CFLAGS $LAVF_CFLAGS"
 827         define HAVE_LAVF
 828     fi
 829     if [ "$ffms" = "yes" ]; then
 830         LDFLAGSCLI="$FFMS2_LIBS $LDFLAGSCLI"
 831         CFLAGS="$CFLAGS $FFMS2_CFLAGS"
 832         define HAVE_FFMS
 833     fi
 834 fi
 835
 836 if [ "$gpac" = "auto" ] ; then
 837     gpac="no"
 838     cc_check "" -lz && GPAC_LIBS="-lgpac_static -lz" || GPAC_LIBS="-lgpac_static"
 839     if [ "$SYS" = "WINDOWS" ] ; then
 840         GPAC_LIBS="$GPAC_LIBS -lwinmm"
 841     fi
 842     if cc_check gpac/isomedia.h "$GPAC_LIBS" ; then
 843         if cc_check gpac/isomedia.h "$GPAC_LIBS" "gf_isom_set_pixel_aspect_ratio(0,0,0,0,0);" ; then
 844             gpac="yes"
 845         else
 846             echo "Warning: gpac is too old, update to 2007-06-21 UTC or later"
 847         fi
 848     fi
 849 fi
 850 if [ "$gpac" = "yes" ] ; then
 851     define HAVE_GPAC
 852     if cc_check gpac/isomedia.h "-Werror $GPAC_LIBS" "gf_malloc(1); gf_free(NULL);" ; then
 853         define HAVE_GF_MALLOC
 854     fi
 855     LDFLAGSCLI="$GPAC_LIBS $LDFLAGSCLI"
 856 fi
 857
 858 if [ "$avs" = "auto" ] ; then
 859     avs="no"
 860     # cygwin can use avisynth if it can use LoadLibrary
 861     if [ $SYS = WINDOWS ] || ([ $SYS = CYGWIN ] && cc_check windows.h "" "LoadLibrary(0);") ; then
 862         avs="yes"
 863         define HAVE_AVS
 864     fi
 865 fi
 866
 867 cc_check "stdint.h" "" "uint32_t test_vec __attribute__ ((vector_size (16))) = {0,1,2,3};" && define HAVE_VECTOREXT
 868
 869 if [ "$pic" = "yes" ] ; then
 870     CFLAGS="$CFLAGS -fPIC"
 871     ASFLAGS="$ASFLAGS -DPIC"
 872     # resolve textrels in the x86 asm
 873     cc_check stdio.h -Wl,-Bsymbolic && LDFLAGS="$LDFLAGS -Wl,-Bsymbolic"
 874 fi
 875
 876 if [ "$debug" != "yes" -a "$gprof" != "yes" ]; then
 877     CFLAGS="$CFLAGS -fomit-frame-pointer"
 878 fi
 879
 880 if [ "$strip" = "yes" ]; then
 881     CFLAGS="$CFLAGS -s"
 882     LDFLAGS="$LDFLAGS -s"
 883 fi
 884
 885 if [ "$debug" = "yes" ]; then
 886     CFLAGS="-O1 -g $CFLAGS"
 887 elif [ $ARCH = ARM ]; then
 888     # arm-gcc-4.2 produces incorrect output with -ffast-math
 889     # and it doesn't save any speed anyway on 4.4, so disable it
 890     CFLAGS="-O3 -fno-fast-math $CFLAGS"
 891 else
 892     CFLAGS="-O3 -ffast-math $CFLAGS"
 893 fi
 894
 895 if cc_check '' -fno-tree-vectorize ; then
 896     CFLAGS="$CFLAGS -fno-tree-vectorize"
 897 fi
 898
 899 if [ $SYS = WINDOWS -a $ARCH = X86 -a $compiler = GNU ] ; then
 900     # workaround gcc/ld bug with alignment of static variables/arrays that are initialized to zero
 901     cc_check '' -fno-zero-initialized-in-bss && CFLAGS="$CFLAGS -fno-zero-initialized-in-bss"
 902 fi
 903
 904 if cc_check "stdio.h" "" "fseeko(stdin,0,0);" ; then
 905     define fseek fseeko
 906     define ftell ftello
 907 elif cc_check "stdio.h" "" "fseeko64(stdin,0,0);" ; then
 908     define fseek fseeko64
 909     define ftell ftello64
 910 elif cc_check "stdio.h" "" "_fseeki64(stdin,0,0);" ; then
 911     define fseek _fseeki64
 912     define ftell _ftelli64
 913 fi
 914
 915 if cc_check '' -Wshadow ; then
 916     CFLAGS="-Wshadow $CFLAGS"
 917 fi
 918
 919 if [ "$bit_depth" -gt "8" ]; then
 920     define HIGH_BIT_DEPTH
 921     ASFLAGS="$ASFLAGS -DHIGH_BIT_DEPTH"
 922 fi
 923
 924 if [ "$chroma_format" != "all" ]; then
 925     define CHROMA_FORMAT CHROMA_$chroma_format
 926 fi
 927
 928 ASFLAGS="$ASFLAGS -DBIT_DEPTH=$bit_depth"
 929
 930 [ $gpl = yes ] && define HAVE_GPL && x264_gpl=1 || x264_gpl=0
 931
 932 [ $interlaced = yes ] && define HAVE_INTERLACED && x264_interlaced=1 || x264_interlaced=0
 933
 934 #define undefined vars as 0
 935 for var in $CONFIG_HAVE; do
 936     grep -q "HAVE_$var 1" config.h || define HAVE_$var 0
 937 done
 938
 939 if [ $compiler = ICL ]; then
 940     AR="xilib -nologo -out:"
 941     DEPMM=-QMM
 942     DEPMT=-QMT
 943     HAVE_GETOPT_LONG=0
 944     LD="xilink -out:"
 945     LDFLAGS="-nologo -incremental:no $(icl_ldflags $LDFLAGS)"
 946     LDFLAGSCLI="$(icl_ldflags $LDFLAGSCLI)"
 947     LIBX264=libx264.lib
 948     RANLIB=
 949     STRIP=
 950     if [ $debug = yes ]; then
 951         LDFLAGS="-debug $LDFLAGS"
 952         CFLAGS="-D_DEBUG $CFLAGS"
 953     else
 954         CFLAGS="-DNDEBUG $CFLAGS"
 955     fi
 956 else
 957     AR="$AR rc "
 958     DEPMM="-MM -g0"
 959     DEPMT="-MT"
 960     LD="$CC -o "
 961     LIBX264=libx264.a
 962 fi
 963 if [ $compiler = GNU ]; then
 964     PROF_GEN_CC="-fprofile-generate"
 965     PROF_GEN_LD="-fprofile-generate"
 966     PROF_USE_CC="-fprofile-use"
 967     PROF_USE_LD="-fprofile-use"
 968 else
 969     CFLAGS="$(intel_cflags $CFLAGS)"
 970     # icc does not define __SSE__ until SSE2 optimization and icl never defines it or _M_IX86_FP
 971     [ \( $ARCH = X86_64 -o $ARCH = X86 \) -a $asm = yes ] && ! cpp_check "" "" "defined(__SSE__)" && define __SSE__
 972     PROF_GEN_CC="${QPRE}prof-gen ${QPRE}prof-dir."
 973     PROF_GEN_LD=
 974     PROF_USE_CC="${QPRE}prof-use ${QPRE}prof-dir."
 975     PROF_USE_LD=
 976 fi
 977
 978 rm -f conftest*
 979
 980 # generate exported config file
 981
 982 config_chroma_format="X264_CSP_I$chroma_format"
 983 [ "$config_chroma_format" == "X264_CSP_Iall" ] && config_chroma_format="0"
 984 cat > x264_config.h << EOF
 985 #define X264_BIT_DEPTH     $bit_depth
 986 #define X264_GPL           $x264_gpl
 987 #define X264_INTERLACED    $x264_interlaced
 988 #define X264_CHROMA_FORMAT $config_chroma_format
 989 EOF
 990
 991 # generate config files
 992
 993 cat > config.mak << EOF
 994 prefix=$prefix
 995 exec_prefix=$exec_prefix
 996 bindir=$bindir
 997 libdir=$libdir
 998 includedir=$includedir
 999 ARCH=$ARCH
1000 SYS=$SYS
1001 CC=$CC
1002 CFLAGS=$CFLAGS
1003 DEPMM=$DEPMM
1004 DEPMT=$DEPMT
1005 LD=$LD
1006 LDFLAGS=$LDFLAGS
1007 LIBX264=$LIBX264
1008 AR=$AR
1009 RANLIB=$RANLIB
1010 STRIP=$STRIP
1011 AS=$AS
1012 ASFLAGS=$ASFLAGS
1013 EXE=$EXE
1014 HAVE_GETOPT_LONG=$HAVE_GETOPT_LONG
1015 DEVNULL=$DEVNULL
1016 PROF_GEN_CC=$PROF_GEN_CC
1017 PROF_GEN_LD=$PROF_GEN_LD
1018 PROF_USE_CC=$PROF_USE_CC
1019 PROF_USE_LD=$PROF_USE_LD
1020 EOF
1021
1022 if [ $compiler = ICL ]; then
1023     echo '%.o: %.c' >> config.mak
1024     echo '      $(CC) $(CFLAGS) -c -Fo$@ $<' >> config.mak
1025 fi
1026
1027 if [ "$cli" = "yes" ]; then
1028     echo 'default: cli' >> config.mak
1029     echo 'install: install-cli' >> config.mak
1030 fi
1031
1032 if [ "$shared" = "yes" ]; then
1033     API=$(grep '#define X264_BUILD' < x264.h | cut -f 3 -d ' ')
1034     if [ "$SYS" = "WINDOWS" -o "$SYS" = "CYGWIN" ]; then
1035         echo "SONAME=libx264-$API.dll" >> config.mak
1036         if [ $compiler = ICL ]; then
1037             echo 'IMPLIBNAME=libx264.dll.lib' >> config.mak
1038             # GNU ld on windows defaults to exporting all global functions if there are no explicit __declspec(dllexport) declarations
1039             # MSVC link does not act similarly, so it is required to make an export definition out of x264.h and use it at link time
1040             echo "SOFLAGS=-dll -def:x264.def -implib:\$(IMPLIBNAME) $SOFLAGS" >> config.mak
1041             echo "EXPORTS" > x264.def
1042             grep "^\(int\|void\|x264_t\|extern\).*x264.*[\[(;]" x264.h | sed -e "s/.*\(x264.*\)[\[(].*/\1/;s/.*\(x264.*\);/\1/;s/open/open_$API/g" >> x264.def
1043         else
1044             echo 'IMPLIBNAME=libx264.dll.a' >> config.mak
1045             echo "SOFLAGS=-shared -Wl,--out-implib,\$(IMPLIBNAME) -Wl,--enable-auto-image-base $SOFLAGS" >> config.mak
1046         fi
1047     elif [ "$SYS" = "MACOSX" ]; then
1048         echo "SOSUFFIX=dylib" >> config.mak
1049         echo "SONAME=libx264.$API.dylib" >> config.mak
1050         echo "SOFLAGS=-shared -dynamiclib -Wl,-single_module -Wl,-read_only_relocs,suppress -install_name \$(DESTDIR)\$(libdir)/\$(SONAME) $SOFLAGS" >> config.mak
1051     elif [ "$SYS" = "SunOS" ]; then
1052         echo "SOSUFFIX=so" >> config.mak
1053         echo "SONAME=libx264.so.$API" >> config.mak
1054         echo "SOFLAGS=-shared -Wl,-h,\$(SONAME) $SOFLAGS" >> config.mak
1055     else
1056         echo "SOSUFFIX=so" >> config.mak
1057         echo "SONAME=libx264.so.$API" >> config.mak
1058         echo "SOFLAGS=-shared -Wl,-soname,\$(SONAME) $SOFLAGS" >> config.mak
1059     fi
1060     echo 'default: lib-shared' >> config.mak
1061     echo 'install: install-lib-shared' >> config.mak
1062 fi
1063
1064 if [ "$static" = "yes" ]; then
1065     echo 'default: lib-static' >> config.mak
1066     echo 'install: install-lib-static' >> config.mak
1067 fi
1068
1069 if [ "$cli_libx264" = "system" ] ; then
1070     if [ "$shared" = "yes" ]; then
1071         CLI_LIBX264='$(SONAME)'
1072     elif ${cross_prefix}pkg-config --exists x264 2>/dev/null; then
1073         LDFLAGSCLI="$LDFLAGSCLI $(${cross_prefix}pkg-config --libs x264)"
1074         CLI_LIBX264=
1075     else
1076         die "Can not find system libx264"
1077     fi
1078 else
1079     CLI_LIBX264='$(LIBX264)'
1080 fi
1081 echo "LDFLAGSCLI = $LDFLAGSCLI" >> config.mak
1082 echo "CLI_LIBX264 = $CLI_LIBX264" >> config.mak
1083
1084 ./version.sh >> x264_config.h
1085
1086 pclibs="-L$libdir -lx264 $libpthread"
1087
1088 cat > x264.pc << EOF
1089 prefix=$prefix
1090 exec_prefix=$exec_prefix
1091 libdir=$libdir
1092 includedir=$includedir
1093
1094 Name: x264
1095 Description: H.264 (MPEG4 AVC) encoder library
1096 Version: $(grep POINTVER < x264_config.h | sed -e 's/.* "//; s/".*//')
1097 Libs: $pclibs
1098 Cflags: -I$includedir
1099 EOF
1100
1101 filters="crop select_every"
1102 gpl_filters=""
1103 [ $swscale = yes ] && filters="resize $filters"
1104 [ $gpl = yes ] && filters="$filters $gpl_filters"
1105
1106 cat > conftest.log <<EOF
1107 platform:      $ARCH
1108 system:        $SYS
1109 cli:           $cli
1110 libx264:       $cli_libx264
1111 shared:        $shared
1112 static:        $static
1113 asm:           $asm
1114 interlaced:    $interlaced
1115 avs:           $avs
1116 lavf:          $lavf
1117 ffms:          $ffms
1118 gpac:          $gpac
1119 gpl:           $gpl
1120 thread:        $thread
1121 filters:       $filters
1122 debug:         $debug
1123 gprof:         $gprof
1124 strip:         $strip
1125 PIC:           $pic
1126 visualize:     $vis
1127 bit depth:     $bit_depth
1128 chroma format: $chroma_format
1129 EOF
1130
1131 echo >> config.log
1132 cat conftest.log >> config.log
1133 cat conftest.log
1134 rm conftest.log
1135
1136 echo
1137 echo "You can run 'make' or 'make fprofiled' now."
1138