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   --extra-rcflags=ERCFLAGS add ERCFLAGS to RCFLAGS
  22
  23 Configuration options:
  24   --disable-cli            disable cli
  25   --system-libx264         use system libx264 instead of internal
  26   --enable-shared          build shared library
  27   --enable-static          build static library
  28   --disable-opencl         disable OpenCL features
  29   --disable-gpl            disable GPL-only features
  30   --disable-thread         disable multithreaded encoding
  31   --enable-win32thread     use win32threads (windows only)
  32   --disable-interlaced     disable interlaced encoding support
  33   --bit-depth=BIT_DEPTH    set output bit depth (8-10) [8]
  34   --chroma-format=FORMAT   output chroma format (420, 422, 444, all) [all]
  35
  36 Advanced options:
  37   --disable-asm            disable platform-specific assembly optimizations
  38   --enable-debug           add -g
  39   --enable-gprof           add -pg
  40   --enable-strip           add -s
  41   --enable-pic             build position-independent code
  42
  43 Cross-compilation:
  44   --host=HOST              build programs to run on HOST
  45   --cross-prefix=PREFIX    use PREFIX for compilation tools
  46   --sysroot=SYSROOT        root of cross-build tree
  47
  48 External library support:
  49   --disable-avs            disable avisynth support
  50   --disable-swscale        disable swscale support
  51   --disable-lavf           disable libavformat support
  52   --disable-ffms           disable ffmpegsource support
  53   --disable-gpac           disable gpac support
  54   --disable-lsmash         disable lsmash support
  55
  56 EOF
  57 exit 1
  58 fi
  59
  60 log_check() {
  61     echo -n "checking $1... " >> config.log
  62 }
  63
  64 log_ok() {
  65     echo "yes" >> config.log
  66 }
  67
  68 log_fail() {
  69     echo "no" >> config.log
  70 }
  71
  72 log_msg() {
  73     echo "$1" >> config.log
  74 }
  75
  76 cc_cflags() {
  77     # several non gcc compilers issue an incredibly large number of warnings on high warning levels,
  78     # suppress them by reducing the warning level rather than having to use #pragmas
  79     for arg in $*; do
  80         [[ "$arg" = -falign-loops* ]] && arg=
  81         [ "$arg" = -fno-tree-vectorize ] && arg=
  82         [ "$arg" = -Wshadow ] && arg=
  83         [ "$arg" = -Wno-maybe-uninitialized ] && arg=
  84         [[ "$arg" = -mpreferred-stack-boundary* ]] && arg=
  85         [[ "$arg" = -l* ]] && arg=
  86         [[ "$arg" = -L* ]] && arg=
  87         if [ $compiler_style = MS ]; then
  88             [ "$arg" = -ffast-math ] && arg="-fp:fast"
  89             [ "$arg" = -Wall ] && arg=
  90             [ "$arg" = -Werror ] && arg="-W3 -WX"
  91             [ "$arg" = -g ] && arg=-Z7
  92             [ "$arg" = -fomit-frame-pointer ] && arg=
  93             [ "$arg" = -s ] && arg=
  94             [ "$arg" = -fPIC ] && arg=
  95         else
  96             [ "$arg" = -ffast-math ] && arg=
  97             [ "$arg" = -Wall ] && arg=
  98             [ "$arg" = -Werror ] && arg="-w3 -Werror"
  99         fi
 100         [ $compiler = CL -a "$arg" = -O3 ] && arg=-O2
 101
 102         [ -n "$arg" ] && echo -n "$arg "
 103     done
 104 }
 105
 106 cl_ldflags() {
 107     for arg in $*; do
 108         arg=${arg/LIBPATH/libpath}
 109         [ "${arg#-libpath:}" == "$arg" -a "${arg#-l}" != "$arg" ] && arg=${arg#-l}.lib
 110         [ "${arg#-L}" != "$arg" ] && arg=-libpath:${arg#-L}
 111         [ "$arg" = -Wl,--large-address-aware ] && arg=-largeaddressaware
 112         [ "$arg" = -s ] && arg=
 113         [ "$arg" = -Wl,-Bsymbolic ] && arg=
 114         [ "$arg" = -fno-tree-vectorize ] && arg=
 115         [ "$arg" = -Werror ] && arg=
 116         [ "$arg" = -Wshadow ] && arg=
 117         [ "$arg" = -Wmaybe-uninitialized ] && arg=
 118         [[ "$arg" = -Qdiag-error* ]] && arg=
 119
 120         arg=${arg/pthreadGC/pthreadVC}
 121         [ "$arg" = avifil32.lib ] && arg=vfw32.lib
 122         [ "$arg" = gpac_static.lib ] && arg=libgpac_static.lib
 123         [ "$arg" = x264.lib ] && arg=libx264.lib
 124
 125         [ -n "$arg" ] && echo -n "$arg "
 126     done
 127 }
 128
 129 cc_check() {
 130     if [ -z "$3" ]; then
 131         if [ -z "$1$2" ]; then
 132             log_check "whether $CC works"
 133         elif [ -z "$1" ]; then
 134             log_check "for $2"
 135         else
 136             log_check "for $1"
 137         fi
 138     elif [ -z "$1" ]; then
 139         if [ -z "$2" ]; then
 140             log_check "whether $CC supports $3"
 141         else
 142             log_check "whether $CC supports $3 with $2"
 143         fi
 144     else
 145         log_check "for $3 in $1";
 146     fi
 147     rm -f conftest.c
 148     for arg in $1; do
 149         echo "#include <$arg>" >> conftest.c
 150     done
 151     echo "int main (void) { $3 return 0; }" >> conftest.c
 152     if [ $compiler_style = MS ]; then
 153         cc_cmd="$CC conftest.c $(cc_cflags $CFLAGS $CHECK_CFLAGS $2) -link $(cl_ldflags $2 $LDFLAGSCLI $LDFLAGS)"
 154     else
 155         cc_cmd="$CC conftest.c $CFLAGS $CHECK_CFLAGS $2 $LDFLAGSCLI $LDFLAGS -o conftest"
 156     fi
 157     if $cc_cmd >conftest.log 2>&1; then
 158         res=$?
 159         log_ok
 160     else
 161         res=$?
 162         log_fail
 163         log_msg "Failed commandline was:"
 164         log_msg "--------------------------------------------------"
 165         log_msg "$cc_cmd"
 166         cat conftest.log >> config.log
 167         log_msg "--------------------------------------------------"
 168         log_msg "Failed program was:"
 169         log_msg "--------------------------------------------------"
 170         cat conftest.c >> config.log
 171         log_msg "--------------------------------------------------"
 172     fi
 173     return $res
 174 }
 175
 176 cpp_check() {
 177     log_check "whether $3 is true"
 178     rm -f conftest.c
 179     for arg in $1; do
 180         echo "#include <$arg>" >> conftest.c
 181     done
 182     echo -e "#if !($3) \n#error $4 \n#endif " >> conftest.c
 183     if [ $compiler_style = MS ]; then
 184         cpp_cmd="$CC conftest.c $(cc_cflags $CFLAGS $2) -P"
 185     else
 186         cpp_cmd="$CC conftest.c $CFLAGS $2 -E -o conftest"
 187     fi
 188     if $cpp_cmd >conftest.log 2>&1; then
 189         res=$?
 190         log_ok
 191     else
 192         res=$?
 193         log_fail
 194         log_msg "--------------------------------------------------"
 195         cat conftest.log >> config.log
 196         log_msg "--------------------------------------------------"
 197         log_msg "Failed program was:"
 198         log_msg "--------------------------------------------------"
 199         cat conftest.c >> config.log
 200         log_msg "--------------------------------------------------"
 201     fi
 202     return $res
 203 }
 204
 205 as_check() {
 206     log_check "whether $AS supports $1"
 207     echo "$1" > conftest$AS_EXT
 208     as_cmd="$AS conftest$AS_EXT $ASFLAGS $2 -o conftest.o"
 209     if $as_cmd >conftest.log 2>&1; then
 210         res=$?
 211         log_ok
 212     else
 213         res=$?
 214         log_fail
 215         log_msg "Failed commandline was:"
 216         log_msg "--------------------------------------------------"
 217         log_msg "$as_cmd"
 218         cat conftest.log >> config.log
 219         log_msg "--------------------------------------------------"
 220         log_msg "Failed program was:"
 221         log_msg "--------------------------------------------------"
 222         cat conftest$AS_EXT >> config.log
 223         log_msg "--------------------------------------------------"
 224     fi
 225     return $res
 226 }
 227
 228 rc_check() {
 229     log_check "whether $RC works"
 230     echo "$1" > conftest.rc
 231     if [ $compiler = GNU ]; then
 232         rc_cmd="$RC $RCFLAGS -o conftest.o conftest.rc"
 233     else
 234         rc_cmd="$RC $RCFLAGS -foconftest.o conftest.rc"
 235     fi
 236     if $rc_cmd >conftest.log 2>&1; then
 237         res=$?
 238         log_ok
 239     else
 240         res=$?
 241         log_fail
 242         log_msg "Failed commandline was:"
 243         log_msg "--------------------------------------------------"
 244         log_msg "$rc_cmd"
 245         cat conftest.log >> config.log
 246         log_msg "--------------------------------------------------"
 247         log_msg "Failed program was:"
 248         log_msg "--------------------------------------------------"
 249         cat conftest.rc >> config.log
 250         log_msg "--------------------------------------------------"
 251     fi
 252     return $res
 253 }
 254
 255 define() {
 256     echo "#define $1$([ -n "$2" ] && echo " $2" || echo " 1")" >> config.h
 257 }
 258
 259 die() {
 260     log_msg "DIED: $@"
 261     echo "$@"
 262     exit 1
 263 }
 264
 265 configure_system_override() {
 266     log_check "system libx264 configuration"
 267     x264_config_path="$1/x264_config.h"
 268     if [ -e "$x264_config_path" ]; then
 269         res=$?
 270         log_ok
 271         arg="$(grep '#define X264_GPL ' $x264_config_path | sed -e 's/#define X264_GPL *//; s/ *$//')"
 272         if [ -n "$arg" ]; then
 273             [ "$arg" = 0 ] && arg="no" || arg="yes"
 274             [ "$arg" != "$gpl" ] && die "Incompatible license with system libx264"
 275         fi
 276         arg="$(grep '#define X264_BIT_DEPTH ' $x264_config_path | sed -e 's/#define X264_BIT_DEPTH *//; s/ *$//')"
 277         if [ -n "$arg" ]; then
 278             if [ "$arg" != "$bit_depth" ]; then
 279                 echo "Override output bit depth with system libx264 configuration"
 280                 bit_depth="$arg"
 281             fi
 282         fi
 283         arg="$(grep '#define X264_CHROMA_FORMAT ' $x264_config_path | sed -e 's/#define X264_CHROMA_FORMAT *//; s/ *$//')"
 284         if [ -n "$arg" ]; then
 285             [ "$arg" = 0 ] && arg="all" || arg="${arg#X264_CSP_I}"
 286             if [ "$arg" != "$chroma_format" ]; then
 287                 echo "Override output chroma format with system libx264 configuration"
 288                 chroma_format="$arg"
 289             fi
 290         fi
 291         arg="$(grep '#define X264_INTERLACED ' $x264_config_path | sed -e 's/#define X264_INTERLACED *//; s/ *$//')"
 292         if [ -n "$arg" ]; then
 293             [ "$arg" = 0 ] && arg="no" || arg="yes"
 294             if [ "$arg" != "$interlaced" ]; then
 295                 echo "Override interlaced encoding support with system libx264 configuration"
 296                 interlaced="$arg"
 297             fi
 298         fi
 299     else
 300         res=$?
 301         log_fail
 302         log_msg "Failed search path was: $x264_config_path"
 303     fi
 304     return $res
 305 }
 306
 307 rm -f x264_config.h config.h config.mak config.log x264.pc x264.def conftest*
 308
 309 # Construct a path to the specified directory relative to the working directory
 310 relative_path() {
 311     local base="${PWD%/}"
 312     local path="$(cd "$1" >/dev/null; printf '%s/.' "${PWD%/}")"
 313     local up=''
 314
 315     while [[ $path != "$base/"* ]]; do
 316         base="${base%/*}"
 317         up="../$up"
 318     done
 319
 320     dirname "$up${path#"$base/"}"
 321 }
 322
 323 SRCPATH="$(relative_path "$(dirname "$0")")"
 324 echo "$SRCPATH" | grep -q ' ' && die "Out of tree builds are impossible with whitespace in source path."
 325 [ -e "$SRCPATH/config.h" -o -e "$SRCPATH/x264_config.h" ] && die "Out of tree builds are impossible with config.h/x264_config.h in source dir."
 326
 327 prefix='/usr/local'
 328 exec_prefix='${prefix}'
 329 bindir='${exec_prefix}/bin'
 330 libdir='${exec_prefix}/lib'
 331 includedir='${prefix}/include'
 332 DEVNULL='/dev/null'
 333
 334 cli="yes"
 335 cli_libx264="internal"
 336 shared="no"
 337 static="no"
 338 avs="auto"
 339 lavf="auto"
 340 ffms="auto"
 341 gpac="auto"
 342 lsmash="auto"
 343 mp4="no"
 344 gpl="yes"
 345 thread="auto"
 346 swscale="auto"
 347 asm="auto"
 348 interlaced="yes"
 349 debug="no"
 350 gprof="no"
 351 strip="no"
 352 pic="no"
 353 bit_depth="8"
 354 chroma_format="all"
 355 compiler="GNU"
 356 compiler_style="GNU"
 357 opencl="yes"
 358
 359 CFLAGS="$CFLAGS -Wall -I. -I\$(SRCPATH)"
 360 LDFLAGS="$LDFLAGS"
 361 LDFLAGSCLI="$LDFLAGSCLI"
 362 ASFLAGS="$ASFLAGS -I. -I\$(SRCPATH)"
 363 RCFLAGS="$RCFLAGS"
 364 CHECK_CFLAGS=""
 365 HAVE_GETOPT_LONG=1
 366 cross_prefix=""
 367
 368 EXE=""
 369 AS_EXT=".S"
 370 NL="
 371 "
 372
 373 # list of all preprocessor HAVE values we can define
 374 CONFIG_HAVE="MALLOC_H ALTIVEC ALTIVEC_H MMX ARMV6 ARMV6T2 NEON BEOSTHREAD POSIXTHREAD WIN32THREAD THREAD LOG2F SWSCALE \
 375              LAVF FFMS GPAC AVS GPL VECTOREXT INTERLACED CPU_COUNT OPENCL THP LSMASH X86_INLINE_ASM AS_FUNC INTEL_DISPATCHER \
 376              MSA"
 377
 378 # parse options
 379
 380 for opt do
 381     optarg="${opt#*=}"
 382     case "$opt" in
 383         --prefix=*)
 384             prefix="$optarg"
 385             ;;
 386         --exec-prefix=*)
 387             exec_prefix="$optarg"
 388             ;;
 389         --bindir=*)
 390             bindir="$optarg"
 391             ;;
 392         --libdir=*)
 393             libdir="$optarg"
 394             ;;
 395         --includedir=*)
 396             includedir="$optarg"
 397             ;;
 398         --disable-cli)
 399             cli="no"
 400             ;;
 401         --system-libx264)
 402             cli_libx264="system"
 403             ;;
 404         --enable-shared)
 405             shared="yes"
 406             ;;
 407         --enable-static)
 408             static="yes"
 409             ;;
 410         --disable-asm)
 411             asm="no"
 412             ;;
 413         --disable-interlaced)
 414             interlaced="no"
 415             ;;
 416         --disable-avs)
 417             avs="no"
 418             ;;
 419         --disable-lavf)
 420             lavf="no"
 421             ;;
 422         --disable-ffms)
 423             ffms="no"
 424             ;;
 425         --disable-gpac)
 426             gpac="no"
 427             ;;
 428         --disable-lsmash)
 429             lsmash="no"
 430             ;;
 431         --disable-gpl)
 432             gpl="no"
 433             ;;
 434         --extra-asflags=*)
 435             ASFLAGS="$ASFLAGS $optarg"
 436             ;;
 437         --extra-cflags=*)
 438             CFLAGS="$CFLAGS $optarg"
 439             ;;
 440         --extra-ldflags=*)
 441             LDFLAGS="$LDFLAGS $optarg"
 442             ;;
 443         --extra-rcflags=*)
 444             RCFLAGS="$RCFLAGS $optarg"
 445             ;;
 446         --disable-thread)
 447             thread="no"
 448             ;;
 449         --enable-win32thread)
 450             thread="win32"
 451             ;;
 452         --disable-swscale)
 453             swscale="no"
 454             ;;
 455         --enable-debug)
 456             debug="yes"
 457             ;;
 458         --enable-gprof)
 459             CFLAGS="$CFLAGS -pg"
 460             LDFLAGS="$LDFLAGS -pg"
 461             gprof="yes"
 462             ;;
 463         --enable-strip)
 464             strip="yes"
 465             ;;
 466         --enable-pic)
 467             pic="yes"
 468             ;;
 469         --host=*)
 470             host="$optarg"
 471             ;;
 472         --disable-opencl)
 473             opencl="no"
 474             ;;
 475         --cross-prefix=*)
 476             cross_prefix="$optarg"
 477             ;;
 478         --sysroot=*)
 479             CFLAGS="$CFLAGS --sysroot=$optarg"
 480             LDFLAGS="$LDFLAGS --sysroot=$optarg"
 481             ;;
 482         --bit-depth=*)
 483             bit_depth="$optarg"
 484             if [ "$bit_depth" -lt "8" -o "$bit_depth" -gt "10" ]; then
 485                 echo "Supplied bit depth must be in range [8,10]."
 486                 exit 1
 487             fi
 488             bit_depth=`expr $bit_depth + 0`
 489             ;;
 490         --chroma-format=*)
 491             chroma_format="$optarg"
 492             if [ $chroma_format != "420" -a $chroma_format != "422" -a $chroma_format != "444" -a $chroma_format != "all" ]; then
 493                 echo "Supplied chroma format must be 420, 422, 444 or all."
 494                 exit 1
 495             fi
 496             ;;
 497         *)
 498             echo "Unknown option $opt, ignored"
 499             ;;
 500     esac
 501 done
 502
 503 [ "$cli" = "no" -a "$shared" = "no" -a "$static" = "no" ] && die "Nothing to build. Enable cli, shared or static."
 504
 505 CC="${CC-${cross_prefix}gcc}"
 506 AR="${AR-${cross_prefix}ar}"
 507 RANLIB="${RANLIB-${cross_prefix}ranlib}"
 508 STRIP="${STRIP-${cross_prefix}strip}"
 509 INSTALL="${INSTALL-install}"
 510
 511 if [ "x$host" = x ]; then
 512     host=`${SRCPATH}/config.guess`
 513 fi
 514 # normalize a triplet into a quadruplet
 515 host=`${SRCPATH}/config.sub $host`
 516
 517 # split $host
 518 host_cpu="${host%%-*}"
 519 host="${host#*-}"
 520 host_vendor="${host%%-*}"
 521 host_os="${host#*-}"
 522
 523 trap 'rm -f conftest*' EXIT
 524
 525 # test for use of compilers that require specific handling
 526 cc_base=`basename "$CC"`
 527 QPRE="-"
 528 if [[ $host_os = mingw* || $host_os = cygwin* ]]; then
 529     if [[ "$cc_base" = icl || "$cc_base" = icl[\ .]* ]]; then
 530         # Windows Intel Compiler creates dependency generation with absolute Windows paths, Cygwin's make does not support Windows paths.
 531         [[ $host_os = cygwin* ]] && die "Windows Intel Compiler support requires MSYS"
 532         compiler=ICL
 533         compiler_style=MS
 534         CFLAGS="$CFLAGS -Qstd=c99 -nologo -Qms0 -DHAVE_STRING_H -I\$(SRCPATH)/extras"
 535         QPRE="-Q"
 536         `$CC 2>&1 | grep -q IA-32` && host_cpu=i486
 537         `$CC 2>&1 | grep -q "Intel(R) 64"` && host_cpu=x86_64
 538         cpp_check "" "" "_MSC_VER >= 1400" || die "Windows Intel Compiler support requires Visual Studio 2005 or newer"
 539         if cc_check '' -Qdiag-error:10006,10157 ; then
 540             CHECK_CFLAGS="$CHECK_CFLAGS -Qdiag-error:10006,10157"
 541         fi
 542     elif [[ "$cc_base" = cl || "$cc_base" = cl[\ .]* ]]; then
 543         # Standard Microsoft Visual Studio
 544         compiler=CL
 545         compiler_style=MS
 546         CFLAGS="$CFLAGS -nologo -GS- -DHAVE_STRING_H -I\$(SRCPATH)/extras"
 547         `$CC 2>&1 | grep -q 'x86'` && host_cpu=i486
 548         `$CC 2>&1 | grep -q 'x64'` && host_cpu=x86_64
 549         cpp_check '' '' '_MSC_VER > 1800 || (_MSC_VER == 1800 && _MSC_FULL_VER >= 180030324)' || die "Microsoft Visual Studio support requires Visual Studio 2013 Update 2 or newer"
 550     fi
 551 else
 552     if [[ "$cc_base" = icc || "$cc_base" = icc[\ .]* ]]; then
 553         AR="xiar"
 554         compiler=ICC
 555     fi
 556 fi
 557
 558 if [[ "$cc_base" = clang || "$cc_base" = clang[\ .]* ]]; then
 559     if cc_check '' -Werror=unknown-warning-option ; then
 560         CHECK_CFLAGS="$CHECK_CFLAGS -Werror=unknown-warning-option"
 561     fi
 562 fi
 563
 564 libm=""
 565 case $host_os in
 566     beos*)
 567         SYS="BEOS"
 568         define HAVE_MALLOC_H
 569         ;;
 570     darwin*)
 571         SYS="MACOSX"
 572         libm="-lm"
 573         if [ "$pic" = "no" ]; then
 574             cc_check "" -mdynamic-no-pic && CFLAGS="$CFLAGS -mdynamic-no-pic"
 575         fi
 576         ;;
 577     freebsd*)
 578         SYS="FREEBSD"
 579         libm="-lm"
 580         ;;
 581     kfreebsd*-gnu)
 582         SYS="FREEBSD"
 583         define HAVE_MALLOC_H
 584         libm="-lm"
 585         ;;
 586     netbsd*)
 587         SYS="NETBSD"
 588         libm="-lm"
 589         ;;
 590     openbsd*)
 591         SYS="OPENBSD"
 592         libm="-lm"
 593         ;;
 594     *linux*)
 595         SYS="LINUX"
 596         define HAVE_MALLOC_H
 597         libm="-lm"
 598         ;;
 599     gnu*)
 600         SYS="HURD"
 601         define HAVE_MALLOC_H
 602         libm="-lm"
 603         ;;
 604     cygwin*)
 605         EXE=".exe"
 606         if [ $compiler_style = GNU ] && cc_check "" -mno-cygwin; then
 607             CFLAGS="$CFLAGS -mno-cygwin"
 608             LDFLAGS="$LDFLAGS -mno-cygwin"
 609         fi
 610         if cpp_check "" "" "defined(__CYGWIN__)" ; then
 611             define HAVE_MALLOC_H
 612             SYS="CYGWIN"
 613         else
 614             SYS="WINDOWS"
 615             DEVNULL="NUL"
 616             LDFLAGSCLI="$LDFLAGSCLI -lshell32"
 617             RC="${RC-${cross_prefix}windres}"
 618         fi
 619         ;;
 620     mingw*)
 621         SYS="WINDOWS"
 622         EXE=".exe"
 623         DEVNULL="NUL"
 624         LDFLAGSCLI="$LDFLAGSCLI -lshell32"
 625         [ $compiler = GNU ] && RC="${RC-${cross_prefix}windres}" || RC="${RC-rc}"
 626         ;;
 627     sunos*|solaris*)
 628         SYS="SunOS"
 629         define HAVE_MALLOC_H
 630         libm="-lm"
 631         if cc_check "" /usr/lib/64/values-xpg6.o; then
 632             LDFLAGS="$LDFLAGS /usr/lib/64/values-xpg6.o"
 633         else
 634             LDFLAGS="$LDFLAGS /usr/lib/values-xpg6.o"
 635         fi
 636         if test -x /usr/ucb/install ; then
 637             INSTALL=/usr/ucb/install
 638         elif test -x /usr/bin/ginstall ; then
 639             # OpenSolaris
 640             INSTALL=/usr/bin/ginstall
 641         elif test -x /usr/gnu/bin/install ; then
 642             # OpenSolaris
 643             INSTALL=/usr/gnu/bin/install
 644         fi
 645         HAVE_GETOPT_LONG=0
 646         ;;
 647     *qnx*)
 648         SYS="QNX"
 649         define HAVE_MALLOC_H
 650         libm="-lm"
 651         HAVE_GETOPT_LONG=0
 652         CFLAGS="$CFLAGS -I\$(SRCPATH)/extras"
 653         ;;
 654     *haiku*)
 655         SYS="HAIKU"
 656         ;;
 657     *)
 658         die "Unknown system $host, edit the configure"
 659         ;;
 660 esac
 661
 662 LDFLAGS="$LDFLAGS $libm"
 663
 664 stack_alignment=4
 665 case $host_cpu in
 666     i*86)
 667         ARCH="X86"
 668         AS="${AS-yasm}"
 669         AS_EXT=".asm"
 670         ASFLAGS="$ASFLAGS -DARCH_X86_64=0 -I\$(SRCPATH)/common/x86/"
 671         if [ $compiler = GNU ]; then
 672             if [[ "$asm" == auto && "$CFLAGS" != *-march* ]]; then
 673                 CFLAGS="$CFLAGS -march=i686"
 674             fi
 675             if [[ "$asm" == auto && "$CFLAGS" != *-mfpmath* ]]; then
 676                 CFLAGS="$CFLAGS -mfpmath=sse -msse -msse2"
 677             fi
 678             CFLAGS="-m32 $CFLAGS"
 679             LDFLAGS="-m32 $LDFLAGS"
 680         fi
 681         if [ "$SYS" = MACOSX ]; then
 682             ASFLAGS="$ASFLAGS -f macho32 -DPREFIX"
 683         elif [ "$SYS" = WINDOWS -o "$SYS" = CYGWIN ]; then
 684             ASFLAGS="$ASFLAGS -f win32 -DPREFIX"
 685             LDFLAGS="$LDFLAGS -Wl,--large-address-aware"
 686             [ $compiler = GNU ] && LDFLAGS="$LDFLAGS -Wl,--dynamicbase,--nxcompat,--tsaware"
 687             [ $compiler = GNU ] && RCFLAGS="--target=pe-i386 $RCFLAGS"
 688         else
 689             ASFLAGS="$ASFLAGS -f elf32"
 690         fi
 691         ;;
 692     x86_64)
 693         ARCH="X86_64"
 694         AS="${AS-yasm}"
 695         AS_EXT=".asm"
 696         ASFLAGS="$ASFLAGS -DARCH_X86_64=1 -I\$(SRCPATH)/common/x86/"
 697         stack_alignment=16
 698         [ $compiler = GNU ] && CFLAGS="-m64 $CFLAGS" && LDFLAGS="-m64 $LDFLAGS"
 699         if [ "$SYS" = MACOSX ]; then
 700             ASFLAGS="$ASFLAGS -f macho64 -DPIC -DPREFIX"
 701             if cc_check '' "-arch x86_64"; then
 702                 CFLAGS="$CFLAGS -arch x86_64"
 703                 LDFLAGS="$LDFLAGS -arch x86_64"
 704             fi
 705         elif [ "$SYS" = WINDOWS -o "$SYS" = CYGWIN ]; then
 706             ASFLAGS="$ASFLAGS -f win64"
 707             # only the GNU toolchain is inconsistent in prefixing function names with _
 708             [ $compiler = GNU ] && cc_check "" "-S" && grep -q "_main:" conftest && ASFLAGS="$ASFLAGS -DPREFIX"
 709             [ $compiler = GNU ] && LDFLAGS="$LDFLAGS -Wl,--dynamicbase,--nxcompat,--tsaware"
 710             [ $compiler = GNU ] && RCFLAGS="--target=pe-x86-64 $RCFLAGS"
 711         else
 712             ASFLAGS="$ASFLAGS -f elf64"
 713         fi
 714         ;;
 715     powerpc*)
 716         ARCH="PPC"
 717         if [ $asm = auto ] ; then
 718             define HAVE_ALTIVEC
 719             AS="${AS-${CC}}"
 720             AS_EXT=".c"
 721             if [ $SYS = MACOSX ] ; then
 722                 CFLAGS="$CFLAGS -faltivec -fastf -mcpu=G4"
 723             else
 724                 CFLAGS="$CFLAGS -maltivec -mabi=altivec"
 725                 define HAVE_ALTIVEC_H
 726             fi
 727         fi
 728         ;;
 729     sparc)
 730         ARCH="SPARC"
 731         ;;
 732     mips*)
 733         ARCH="MIPS"
 734         AS="${AS-${CC}}"
 735         AS_EXT=".c"
 736         ;;
 737     arm*)
 738         ARCH="ARM"
 739         if [ "$SYS" = MACOSX ] ; then
 740             AS="${AS-${SRCPATH}/tools/gas-preprocessor.pl -arch arm -- ${CC}}"
 741             ASFLAGS="$ASFLAGS -DPREFIX -DPIC"  # apple's ld doesn't support movw/movt relocations at all
 742             # build for armv7 by default
 743             if ! echo $CFLAGS | grep -Eq '\-arch' ; then
 744                 CFLAGS="$CFLAGS -arch armv7"
 745                 LDFLAGS="$LDFLAGS -arch armv7"
 746             fi
 747         else
 748             AS="${AS-${CC}}"
 749         fi
 750         ;;
 751     aarch64)
 752         ARCH="AARCH64"
 753         stack_alignment=16
 754         if [ "$SYS" = MACOSX ] ; then
 755             AS="${AS-${SRCPATH}/tools/gas-preprocessor.pl -arch aarch64 -- ${CC}}"
 756             ASFLAGS="$ASFLAGS -DPREFIX"
 757         else
 758             AS="${AS-${CC}}"
 759         fi
 760         ;;
 761     s390|s390x)
 762         ARCH="S390"
 763         ;;
 764     hppa*|parisc*)
 765         ARCH="PARISC"
 766         ;;
 767     ia64)
 768         ARCH="IA64"
 769         ;;
 770     alpha*)
 771         ARCH="ALPHA"
 772         ;;
 773     *)
 774         ARCH="$(echo $host_cpu | tr a-z A-Z)"
 775         ;;
 776 esac
 777
 778 if [ $SYS = WINDOWS ]; then
 779     if ! rc_check "0 RCDATA {0}" ; then
 780         RC=""
 781     fi
 782 fi
 783
 784 log_msg "x264 configure script"
 785 if [ -n "$*" ]; then
 786     msg="Command line options:"
 787     for i in $@; do
 788         msg="$msg \"$i\""
 789     done
 790     log_msg "$msg"
 791 fi
 792 log_msg ""
 793
 794 # check requirements
 795
 796 cc_check || die "No working C compiler found."
 797
 798 if [ $compiler_style = GNU ]; then
 799     if cc_check '' -std=gnu99 'for( int i = 0; i < 9; i++ );' ; then
 800         CFLAGS="$CFLAGS -std=gnu99"
 801     elif cc_check '' -std=c99 'for( int i = 0; i < 9; i++ );' ; then
 802         CFLAGS="$CFLAGS -std=c99 -D_POSIX_C_SOURCE=200112L -D_BSD_SOURCE"
 803     elif ! cc_check '' '' 'for( int i = 0; i < 9; i++ );' ; then
 804         die "C99 compiler is needed for compilation."
 805     fi
 806 fi
 807
 808 if [ $shared = yes -a \( $ARCH = "X86_64" -o $ARCH = "PPC" -o $ARCH = "ALPHA" -o $ARCH = "ARM" -o $ARCH = "IA64" -o $ARCH = "PARISC" -o $ARCH = "MIPS" -o $ARCH = "AARCH64" \) ] ; then
 809     pic="yes"
 810 fi
 811
 812 if [ $compiler = GNU -a \( $ARCH = X86 -o $ARCH = X86_64 \) ] ; then
 813     if cc_check '' -mpreferred-stack-boundary=5 ; then
 814         CFLAGS="$CFLAGS -mpreferred-stack-boundary=5"
 815         stack_alignment=32
 816     elif [ $stack_alignment -lt 16 ] && cc_check '' -mpreferred-stack-boundary=4 ; then
 817         CFLAGS="$CFLAGS -mpreferred-stack-boundary=4"
 818         stack_alignment=16
 819     fi
 820 elif [ $compiler = ICC -a $ARCH = X86 ]; then
 821     # icc on linux has various degrees of mod16 stack support
 822     if [ $SYS = LINUX ]; then
 823         # >= 12 defaults to a mod16 stack
 824         if cpp_check "" "" "__INTEL_COMPILER >= 1200" ; then
 825             stack_alignment=16
 826         # 11 <= x < 12 is capable of keeping a mod16 stack, but defaults to not doing so.
 827         elif cpp_check "" "" "__INTEL_COMPILER >= 1100" ; then
 828             CFLAGS="$CFLAGS -falign-stack=assume-16-byte"
 829             stack_alignment=16
 830         fi
 831         # < 11 is completely incapable of keeping a mod16 stack
 832     fi
 833 fi
 834
 835 if [ $asm = auto -a \( $ARCH = X86 -o $ARCH = X86_64 \) ] ; then
 836     if ! as_check "vpmovzxwd ymm0, xmm0" ; then
 837         VER=`($AS --version || echo no assembler) 2>/dev/null | head -n 1`
 838         echo "Found $VER"
 839         echo "Minimum version is yasm-1.2.0"
 840         echo "If you really want to compile without asm, configure with --disable-asm."
 841         exit 1
 842     fi
 843     cc_check '' '' '__asm__("pabsw %xmm0, %xmm0");' && define HAVE_X86_INLINE_ASM
 844     ASFLAGS="$ASFLAGS -Worphan-labels"
 845     define HAVE_MMX
 846 fi
 847
 848 if [ $asm = auto -a $ARCH = ARM ] ; then
 849     # set flags so neon is built by default
 850     echo $CFLAGS | grep -Eq '(-mcpu|-march|-mfpu)' || CFLAGS="$CFLAGS -mcpu=cortex-a8 -mfpu=neon"
 851
 852     if  cc_check '' '' '__asm__("rev ip, ip");' ; then      define HAVE_ARMV6
 853         cc_check '' '' '__asm__("movt r0, #0");'         && define HAVE_ARMV6T2
 854         cc_check '' '' '__asm__("vadd.i16 q0, q0, q0");' && define HAVE_NEON
 855         ASFLAGS="$ASFLAGS -c"
 856     else
 857         echo "You specified a pre-ARMv6 or Thumb-1 CPU in your CFLAGS."
 858         echo "If you really want to run on such a CPU, configure with --disable-asm."
 859         exit 1
 860     fi
 861 fi
 862
 863 if [ $asm = auto -a $ARCH = AARCH64 ] ; then
 864     if  cc_check '' '' '__asm__("cmeq v0.8h, v0.8h, #0");' ; then define HAVE_NEON
 865         ASFLAGS="$ASFLAGS -c"
 866     else
 867         echo "no NEON support, try adding -mfpu=neon to CFLAGS"
 868         echo "If you really want to run on such a CPU, configure with --disable-asm."
 869         exit 1
 870     fi
 871 fi
 872
 873 if [ $asm = auto -a \( $ARCH = ARM -o $ARCH = AARCH64 \) ] ; then
 874     # check if the assembler supports '.func' (clang 3.5 does not)
 875     as_check ".func test${NL}.endfunc" && define HAVE_AS_FUNC 1
 876 fi
 877
 878 if [ $asm = auto -a $ARCH = MIPS ] ; then
 879     if ! echo $CFLAGS | grep -Eq '(-march|-mmsa|-mno-msa)' ; then
 880         cc_check '' '-mmsa -mfp64 -mhard-float' && CFLAGS="-mmsa -mfp64 -mhard-float $CFLAGS"
 881     fi
 882
 883     if cc_check '' '' '__asm__("addvi.b $w0, $w1, 1");' ; then
 884         define HAVE_MSA
 885     else
 886         echo "You specified a pre-MSA CPU in your CFLAGS."
 887         echo "If you really want to run on such a CPU, configure with --disable-asm."
 888         exit 1
 889     fi
 890 fi
 891
 892 [ $asm = no ] && AS=""
 893 [ "x$AS" = x ] && asm="no" || asm="yes"
 894
 895 define ARCH_$ARCH
 896 define SYS_$SYS
 897
 898 define STACK_ALIGNMENT $stack_alignment
 899 ASFLAGS="$ASFLAGS -DSTACK_ALIGNMENT=$stack_alignment"
 900
 901 # skip endianness check for Intel Compiler and MSVS, as all supported platforms are little. each have flags that will cause the check to fail as well
 902 CPU_ENDIAN="little-endian"
 903 if [ $compiler = GNU ]; then
 904     echo "int i[2] = {0x42494745,0}; double f[2] = {0x1.0656e6469616ep+102,0};" > conftest.c
 905     $CC $CFLAGS conftest.c -c -o conftest.o 2>/dev/null || die "endian test failed"
 906     if (${cross_prefix}strings -a conftest.o | grep -q BIGE) && (${cross_prefix}strings -a conftest.o | grep -q FPendian) ; then
 907         define WORDS_BIGENDIAN
 908         CPU_ENDIAN="big-endian"
 909     elif !(${cross_prefix}strings -a conftest.o | grep -q EGIB && ${cross_prefix}strings -a conftest.o | grep -q naidnePF) ; then
 910         die "endian test failed"
 911     fi
 912 fi
 913
 914 if [ "$cli_libx264" = "system" -a "$shared" != "yes" ] ; then
 915     [ "$static" = "yes" ] && die "Option --system-libx264 can not be used together with --enable-static"
 916     if ${cross_prefix}pkg-config --exists x264 2>/dev/null; then
 917         X264_LIBS="$(${cross_prefix}pkg-config --libs x264)"
 918         X264_INCLUDE_DIR="${X264_INCLUDE_DIR-$(${cross_prefix}pkg-config --variable=includedir x264)}"
 919         configure_system_override "$X264_INCLUDE_DIR" || die "Detection of system libx264 configuration failed"
 920     else
 921         die "Can not find system libx264"
 922     fi
 923 fi
 924
 925 # autodetect options that weren't forced nor disabled
 926
 927 # pthread-win32 is lgpl, prevent its use if --disable-gpl is specified and targeting windows
 928 [ "$SYS" = "WINDOWS" -a "$gpl" = "no" -a "$thread" = "auto" ] && thread="win32"
 929
 930 libpthread=""
 931 if [ "$thread" = "auto" ]; then
 932     thread="no"
 933     case $SYS in
 934         BEOS)
 935             thread="beos"
 936             define HAVE_BEOSTHREAD
 937             ;;
 938         WINDOWS)
 939             if cc_check pthread.h -lpthread "pthread_create(0,0,0,0);" ; then
 940                 thread="posix"
 941                 libpthread="-lpthread"
 942             elif cc_check pthread.h -lpthreadGC2 "pthread_create(0,0,0,0);" ; then
 943                 thread="posix"
 944                 libpthread="-lpthreadGC2"
 945             elif cc_check pthread.h "-lpthreadGC2 -lwsock32 -DPTW32_STATIC_LIB" "pthread_create(0,0,0,0);" ; then
 946                 thread="posix"
 947                 libpthread="-lpthreadGC2 -lwsock32"
 948                 define PTW32_STATIC_LIB
 949             elif cc_check pthread.h "-lpthreadGC2 -lws2_32 -DPTW32_STATIC_LIB" "pthread_create(0,0,0,0);" ; then
 950                 thread="posix"
 951                 libpthread="-lpthreadGC2 -lws2_32"
 952                 define PTW32_STATIC_LIB
 953             else
 954                 # default to native threading if pthread-win32 is unavailable
 955                 thread="win32"
 956             fi
 957             ;;
 958         QNX)
 959             cc_check pthread.h -lc "pthread_create(0,0,0,0);" && thread="posix" && libpthread="-lc"
 960             ;;
 961         *)
 962             if cc_check pthread.h -lpthread "pthread_create(0,0,0,0);" ; then
 963                thread="posix"
 964                libpthread="-lpthread"
 965             else
 966                 cc_check pthread.h "" "pthread_create(0,0,0,0);" && thread="posix" && libpthread=""
 967             fi
 968             ;;
 969     esac
 970 fi
 971 if [ "$thread" = "posix" ]; then
 972     LDFLAGS="$LDFLAGS $libpthread"
 973     define HAVE_POSIXTHREAD
 974     if [ "$SYS" = "LINUX" ] && cc_check sched.h "-D_GNU_SOURCE -Werror" "cpu_set_t p_aff; return CPU_COUNT(&p_aff);" ; then
 975         define HAVE_CPU_COUNT
 976     fi
 977 fi
 978 if [ "$thread" = "win32" ]; then
 979     # cygwin does not support win32 threads
 980     if [ "$SYS" = "WINDOWS" ]; then
 981         define HAVE_WIN32THREAD
 982     else
 983         thread="no"
 984     fi
 985 fi
 986 [ "$thread" != "no" ] && define HAVE_THREAD
 987
 988 if cc_check "math.h" "-Werror" "return log2f(2);" ; then
 989     define HAVE_LOG2F
 990 fi
 991
 992 if [ "$SYS" = "LINUX" -a \( "$ARCH" = "X86" -o "$ARCH" = "X86_64" \) ] && cc_check "sys/mman.h" "" "MADV_HUGEPAGE;" ; then
 993     define HAVE_THP
 994 fi
 995
 996 if [ "$swscale" = "auto" ] ; then
 997     swscale="no"
 998     if ${cross_prefix}pkg-config --exists libswscale 2>/dev/null; then
 999         SWSCALE_LIBS="$SWSCALE_LIBS $(${cross_prefix}pkg-config --libs libswscale libavutil)"
1000         SWSCALE_CFLAGS="$SWSCALE_CFLAGS $(${cross_prefix}pkg-config --cflags libswscale libavutil)"
1001     fi
1002     [ -z "$SWSCALE_LIBS" ] && SWSCALE_LIBS="-lswscale -lavutil"
1003
1004     if cc_check "libswscale/swscale.h" "$SWSCALE_CFLAGS $SWSCALE_LIBS" "sws_init_context(0,0,0);" ; then
1005         if cpp_check "libavutil/pixdesc.h" "$SWSCALE_CFLAGS $SWSCALE_LIBS" "defined(AV_PIX_FMT_FLAG_RGB)" ; then
1006             swscale="yes"
1007         else
1008             echo "Warning: AV_PIX_FMT_FLAG_RGB is missing from libavutil, update for swscale support"
1009         fi
1010     fi
1011 fi
1012
1013 if [ "$lavf" = "auto" ] ; then
1014     lavf="no"
1015     if ${cross_prefix}pkg-config --exists libavformat libavcodec libswscale 2>/dev/null; then
1016         LAVF_LIBS="$LAVF_LIBS $(${cross_prefix}pkg-config --libs libavformat libavcodec libavutil libswscale)"
1017         LAVF_CFLAGS="$LAVF_CFLAGS $(${cross_prefix}pkg-config --cflags libavformat libavcodec libavutil libswscale)"
1018     fi
1019     if [ -z "$LAVF_LIBS" -a -z "$LAVF_CFLAGS" ]; then
1020         LAVF_LIBS="-lavformat"
1021         for lib in -lpostproc -lavcodec -lswscale -lavutil -lm -lz -lbz2 $libpthread -lavifil32 -lws2_32; do
1022             cc_check "" $lib && LAVF_LIBS="$LAVF_LIBS $lib"
1023         done
1024     fi
1025     LAVF_LIBS="-L. $LAVF_LIBS"
1026     if cc_check libavformat/avformat.h "$LAVF_CFLAGS $LAVF_LIBS" "av_frame_free(0);" ; then
1027         if [ "$swscale" = "yes" ]; then
1028             lavf="yes"
1029         else
1030             echo "Warning: libavformat is not supported without swscale support"
1031         fi
1032     fi
1033 fi
1034
1035 if [ "$ffms" = "auto" ] ; then
1036     ffms_major="2"; ffms_minor="16"; ffms_micro="2"; ffms_bump="0"
1037     ffms="no"
1038
1039     if ${cross_prefix}pkg-config --exists ffms2 2>/dev/null; then
1040         FFMS2_LIBS="$FFMS2_LIBS $(${cross_prefix}pkg-config --libs ffms2)"
1041         FFMS2_CFLAGS="$FFMS2_CFLAGS $(${cross_prefix}pkg-config --cflags ffms2)"
1042     fi
1043     [ -z "$FFMS2_LIBS" ] && FFMS2_LIBS="-lffms2"
1044
1045     if cc_check ffms.h "$FFMS2_CFLAGS $FFMS2_LIBS" "FFMS_DestroyVideoSource(0);" ; then
1046         ffms="yes"
1047     elif cc_check ffms.h "$FFMS2_CFLAGS $FFMS2_LIBS -lstdc++ $LAVF_LIBS" "FFMS_DestroyVideoSource(0);" ; then
1048         ffms="yes"
1049         FFMS2_LIBS="$FFMS2_LIBS -lstdc++ $LAVF_LIBS"
1050     fi
1051
1052     error="ffms must be at least version $ffms_major.$ffms_minor.$ffms_micro.$ffms_bump"
1053     if [ $ffms = "yes" ] && ! cpp_check "ffms.h" "$FFMS2_CFLAGS" "FFMS_VERSION >= (($ffms_major << 24) | ($ffms_minor << 16) | ($ffms_micro << 8) | $ffms_bump)" "$error"; then
1054        ffms="no"
1055        echo "Warning: $error"
1056     fi
1057     if [ "$ffms" = "yes" -a "$swscale" = "no" ]; then
1058         echo "Warning: ffms is not supported without swscale support"
1059         ffms="no"
1060     fi
1061 fi
1062
1063 if [ "$swscale" = "yes" ]; then
1064     LDFLAGSCLI="$SWSCALE_LIBS $LDFLAGSCLI"
1065     CFLAGS="$CFLAGS $SWSCALE_CFLAGS"
1066     define HAVE_SWSCALE
1067     if [ "$lavf" = "yes" ]; then
1068         LDFLAGSCLI="$LAVF_LIBS $LDFLAGSCLI"
1069         CFLAGS="$CFLAGS $LAVF_CFLAGS"
1070         define HAVE_LAVF
1071     fi
1072     if [ "$ffms" = "yes" ]; then
1073         LDFLAGSCLI="$FFMS2_LIBS $LDFLAGSCLI"
1074         CFLAGS="$CFLAGS $FFMS2_CFLAGS"
1075         define HAVE_FFMS
1076     fi
1077 fi
1078
1079 if [ "$lsmash" = "auto" ] ; then
1080     lsmash="no"
1081     if ${cross_prefix}pkg-config --exists liblsmash 2>/dev/null; then
1082         LSMASH_LIBS="$LSMASH_LIBS $(${cross_prefix}pkg-config --libs liblsmash)"
1083         LSMASH_CFLAGS="$LSMASH_CFLAGS $(${cross_prefix}pkg-config --cflags liblsmash)"
1084     fi
1085     [ -z "$LSMASH_LIBS" ] && LSMASH_LIBS="-llsmash"
1086
1087     if cc_check lsmash.h "$LSMASH_CFLAGS $LSMASH_LIBS" ; then
1088         if cpp_check lsmash.h "$LSMASH_CFLAGS" "LSMASH_VERSION_MAJOR > 1 || (LSMASH_VERSION_MAJOR == 1 && LSMASH_VERSION_MINOR >= 5)" ; then
1089             lsmash="yes"
1090         else
1091             echo "Warning: lsmash is too old, update to rev.895 or later"
1092         fi
1093     fi
1094 fi
1095
1096 if [ "$gpac" = "auto" -a "$lsmash" != "yes" ] ; then
1097     gpac="no"
1098     GPAC_LIBS="-lgpac_static"
1099     cc_check "" -lz && GPAC_LIBS="$GPAC_LIBS -lz"
1100     if [ "$SYS" = "WINDOWS" ] ; then
1101         cc_check "" -lws2_32 && GPAC_LIBS="$GPAC_LIBS -lws2_32"
1102         cc_check "" -lwinmm && GPAC_LIBS="$GPAC_LIBS -lwinmm"
1103     fi
1104     if cc_check gpac/isomedia.h "$GPAC_LIBS" ; then
1105         if cc_check gpac/isomedia.h "$GPAC_LIBS" "gf_isom_set_pixel_aspect_ratio(0,0,0,0,0);" ; then
1106             gpac="yes"
1107         else
1108             echo "Warning: gpac is too old, update to 2007-06-21 UTC or later"
1109         fi
1110     fi
1111 fi
1112
1113 if [ "$lsmash" = "yes" ] ; then
1114     mp4="lsmash"
1115     LDFLAGSCLI="$LSMASH_LIBS $LDFLAGSCLI"
1116     CFLAGS="$CFLAGS $LSMASH_CFLAGS"
1117     define HAVE_LSMASH
1118 elif [ "$gpac" = "yes" ] ; then
1119     mp4="gpac"
1120     define HAVE_GPAC
1121     LDFLAGSCLI="$GPAC_LIBS $LDFLAGSCLI"
1122 fi
1123
1124 if [ "$avs" = "auto" ] ; then
1125     avs="no"
1126     # cygwin can use avisynth if it can use LoadLibrary
1127     if [ $SYS = WINDOWS ] || ([ $SYS = CYGWIN ] && cc_check windows.h "" "LoadLibraryW(0);") ; then
1128         avs="avisynth"
1129         define HAVE_AVS
1130         define USE_AVXSYNTH 0
1131     elif [ "$SYS" = "LINUX" -o "$SYS" = "MACOSX" ] ; then
1132     # AvxSynth currently only supports Linux and OSX
1133         avs="avxsynth"
1134         define HAVE_AVS
1135         define USE_AVXSYNTH 1
1136         AVS_LIBS="-ldl"
1137         LDFLAGSCLI="$AVS_LIBS $LDFLAGSCLI"
1138     fi
1139 fi
1140
1141 cc_check "stdint.h" "" "uint32_t test_vec __attribute__ ((vector_size (16))) = {0,1,2,3};" && define HAVE_VECTOREXT
1142
1143 if [ "$pic" = "yes" ] ; then
1144     [ "$SYS" != WINDOWS -a "$SYS" != CYGWIN ] && CFLAGS="$CFLAGS -fPIC"
1145     ASFLAGS="$ASFLAGS -DPIC"
1146     # resolve textrels in the x86 asm
1147     cc_check stdio.h "-shared -Wl,-Bsymbolic" && SOFLAGS="$SOFLAGS -Wl,-Bsymbolic"
1148     [ $SYS = SunOS -a "$ARCH" = "X86" ] && SOFLAGS="$SOFLAGS -mimpure-text"
1149 fi
1150
1151 if [ "$debug" != "yes" -a "$gprof" != "yes" ]; then
1152     CFLAGS="$CFLAGS -fomit-frame-pointer"
1153 fi
1154
1155 if [ "$strip" = "yes" ]; then
1156     LDFLAGS="$LDFLAGS -s"
1157 fi
1158
1159 if [ "$debug" = "yes" ]; then
1160     CFLAGS="-O1 -g $CFLAGS"
1161 else
1162     CFLAGS="-O3 -ffast-math $CFLAGS"
1163 fi
1164
1165 if cc_check '' -fno-tree-vectorize ; then
1166     CFLAGS="$CFLAGS -fno-tree-vectorize"
1167 fi
1168
1169 if [ $SYS = WINDOWS -a $ARCH = X86 -a $compiler = GNU ] ; then
1170     # workaround gcc/ld bug with alignment of static variables/arrays that are initialized to zero
1171     cc_check '' -fno-zero-initialized-in-bss && CFLAGS="$CFLAGS -fno-zero-initialized-in-bss"
1172 fi
1173
1174 if cc_check "stdio.h" "" "fseeko(stdin,0,0);" ; then
1175     define fseek fseeko
1176     define ftell ftello
1177 elif cc_check "stdio.h" "" "fseeko64(stdin,0,0);" ; then
1178     define fseek fseeko64
1179     define ftell ftello64
1180 elif cc_check "stdio.h" "" "_fseeki64(stdin,0,0);" ; then
1181     define fseek _fseeki64
1182     define ftell _ftelli64
1183 fi
1184
1185 if cc_check '' -Wshadow ; then
1186     CFLAGS="-Wshadow $CFLAGS"
1187 fi
1188
1189 if cc_check '' -Wmaybe-uninitialized ; then
1190     CFLAGS="-Wno-maybe-uninitialized $CFLAGS"
1191 fi
1192
1193 if [ $compiler = ICC -o $compiler = ICL ] ; then
1194     if cc_check 'extras/intel_dispatcher.h' '' 'x264_intel_dispatcher_override();' ; then
1195         define HAVE_INTEL_DISPATCHER
1196     fi
1197 fi
1198
1199 if [ "$bit_depth" -gt "8" ]; then
1200     define HIGH_BIT_DEPTH
1201     ASFLAGS="$ASFLAGS -DHIGH_BIT_DEPTH=1"
1202     opencl="no"
1203 else
1204     ASFLAGS="$ASFLAGS -DHIGH_BIT_DEPTH=0"
1205 fi
1206
1207 if [ "$chroma_format" != "all" ]; then
1208     define CHROMA_FORMAT CHROMA_$chroma_format
1209 fi
1210
1211 ASFLAGS="$ASFLAGS -DBIT_DEPTH=$bit_depth"
1212
1213 [ $gpl = yes ] && define HAVE_GPL && x264_gpl=1 || x264_gpl=0
1214
1215 [ $interlaced = yes ] && define HAVE_INTERLACED && x264_interlaced=1 || x264_interlaced=0
1216
1217 libdl=""
1218 if [ "$opencl" = "yes" ]; then
1219     opencl="no"
1220     # cygwin can use opencl if it can use LoadLibrary
1221     if [ $SYS = WINDOWS ] || ([ $SYS = CYGWIN ] && cc_check windows.h "" "LoadLibraryW(0);") ; then
1222         opencl="yes"
1223         define HAVE_OPENCL
1224     elif [ "$SYS" = "LINUX" -o "$SYS" = "MACOSX" ] ; then
1225         opencl="yes"
1226         define HAVE_OPENCL
1227         libdl="-ldl"
1228     fi
1229     LDFLAGS="$LDFLAGS $libdl"
1230 fi
1231
1232 #define undefined vars as 0
1233 for var in $CONFIG_HAVE; do
1234     grep -q "HAVE_$var 1" config.h || define HAVE_$var 0
1235 done
1236
1237 # generate exported config file
1238
1239 config_chroma_format="X264_CSP_I$chroma_format"
1240 [ "$config_chroma_format" == "X264_CSP_Iall" ] && config_chroma_format="0"
1241 cat > x264_config.h << EOF
1242 #define X264_BIT_DEPTH     $bit_depth
1243 #define X264_GPL           $x264_gpl
1244 #define X264_INTERLACED    $x264_interlaced
1245 #define X264_CHROMA_FORMAT $config_chroma_format
1246 EOF
1247
1248 ${SRCPATH}/version.sh >> x264_config.h
1249
1250 if [ "$cli_libx264" = "system" ] ; then
1251     if [ "$shared" = "yes" ]; then
1252         CLI_LIBX264='$(SONAME)'
1253     else
1254         CLI_LIBX264=
1255         LDFLAGSCLI="$X264_LIBS $LDFLAGSCLI"
1256         cc_check 'stdint.h x264.h' '' 'x264_encoder_open(0);' || die "System libx264 can't be used for compilation of this version"
1257     fi
1258 else
1259     CLI_LIBX264='$(LIBX264)'
1260 fi
1261
1262 DEPMM="${QPRE}MM"
1263 DEPMT="${QPRE}MT"
1264 if [ $compiler_style = MS ]; then
1265     AR="lib -nologo -out:"
1266     LD="link -out:"
1267     if [ $compiler = ICL ]; then
1268         AR="xi$AR"
1269         LD="xi$LD"
1270     else
1271         mslink="$(dirname "$(command -v cl 2>/dev/null)")/link"
1272         [ -x "$mslink" ] && LD="\"$mslink\" -out:"
1273     fi
1274     HAVE_GETOPT_LONG=0
1275     LDFLAGS="-nologo -incremental:no $(cl_ldflags $LDFLAGS)"
1276     LDFLAGSCLI="$(cl_ldflags $LDFLAGSCLI)"
1277     LIBX264=libx264.lib
1278     RANLIB=
1279     [ -n "$RC" ] && RCFLAGS="$RCFLAGS -nologo -I. -I\$(SRCPATH)/extras -fo"
1280     STRIP=
1281     if [ $debug = yes ]; then
1282         LDFLAGS="-debug $LDFLAGS"
1283         CFLAGS="-D_DEBUG $CFLAGS"
1284     else
1285         CFLAGS="-DNDEBUG $CFLAGS"
1286     fi
1287 else # gcc/icc
1288     DEPMM="$DEPMM -g0"
1289     AR="$AR rc "
1290     LD="$CC -o "
1291     LIBX264=libx264.a
1292     [ -n "$RC" ] && RCFLAGS="$RCFLAGS -I. -o "
1293 fi
1294 [ $compiler != GNU ] && CFLAGS="$(cc_cflags $CFLAGS)"
1295 if [ $compiler = ICC -o $compiler = ICL ]; then
1296     # icc does not define __SSE__ until SSE2 optimization and icl never defines it or _M_IX86_FP
1297     [ \( $ARCH = X86_64 -o $ARCH = X86 \) -a $asm = yes ] && ! cpp_check "" "" "defined(__SSE__)" && define __SSE__
1298     PROF_GEN_CC="${QPRE}prof-gen ${QPRE}prof-dir."
1299     PROF_GEN_LD=
1300     PROF_USE_CC="${QPRE}prof-use ${QPRE}prof-dir."
1301     PROF_USE_LD=
1302 elif [ $compiler = CL ]; then
1303     # Visual Studio
1304     # _M_IX86_FP is only defined on x86
1305     [ $ARCH = X86 ] && cpp_check '' '' '_M_IX86_FP >= 1' && define __SSE__
1306     [ $ARCH = X86_64 ] && define __SSE__
1307     # As long as the cli application can't link against the dll, the dll can not be pgo'd.
1308     # pgds are link flag specific and the -dll flag for creating the dll makes it unshareable with the cli
1309     PROF_GEN_CC="-GL"
1310     PROF_GEN_LD="-LTCG:PGINSTRUMENT"
1311     PROF_USE_CC="-GL"
1312     PROF_USE_LD="-LTCG:PGOPTIMIZE"
1313 else
1314     PROF_GEN_CC="-fprofile-generate"
1315     PROF_GEN_LD="-fprofile-generate"
1316     PROF_USE_CC="-fprofile-use"
1317     PROF_USE_LD="-fprofile-use"
1318 fi
1319
1320 # generate config files
1321
1322 cat > config.mak << EOF
1323 SRCPATH=$SRCPATH
1324 prefix=$prefix
1325 exec_prefix=$exec_prefix
1326 bindir=$bindir
1327 libdir=$libdir
1328 includedir=$includedir
1329 SYS_ARCH=$ARCH
1330 SYS=$SYS
1331 CC=$CC
1332 CFLAGS=$CFLAGS
1333 COMPILER=$compiler
1334 COMPILER_STYLE=$compiler_style
1335 DEPMM=$DEPMM
1336 DEPMT=$DEPMT
1337 LD=$LD
1338 LDFLAGS=$LDFLAGS
1339 LIBX264=$LIBX264
1340 AR=$AR
1341 RANLIB=$RANLIB
1342 STRIP=$STRIP
1343 INSTALL=$INSTALL
1344 AS=$AS
1345 ASFLAGS=$ASFLAGS
1346 RC=$RC
1347 RCFLAGS=$RCFLAGS
1348 EXE=$EXE
1349 HAVE_GETOPT_LONG=$HAVE_GETOPT_LONG
1350 DEVNULL=$DEVNULL
1351 PROF_GEN_CC=$PROF_GEN_CC
1352 PROF_GEN_LD=$PROF_GEN_LD
1353 PROF_USE_CC=$PROF_USE_CC
1354 PROF_USE_LD=$PROF_USE_LD
1355 HAVE_OPENCL=$opencl
1356 EOF
1357
1358 if [ $compiler_style = MS ]; then
1359     echo '%.o: %.c' >> config.mak
1360     echo '      $(CC) $(CFLAGS) -c -Fo$@ $<' >> config.mak
1361 fi
1362
1363 if [ "$cli" = "yes" ]; then
1364     echo 'default: cli' >> config.mak
1365     echo 'install: install-cli' >> config.mak
1366 fi
1367
1368 if [ "$shared" = "yes" ]; then
1369     API=$(grep '#define X264_BUILD' < ${SRCPATH}/x264.h | cut -f 3 -d ' ')
1370     if [ "$SYS" = "WINDOWS" -o "$SYS" = "CYGWIN" ]; then
1371         echo "SONAME=libx264-$API.dll" >> config.mak
1372         if [ $compiler_style = MS ]; then
1373             echo 'IMPLIBNAME=libx264.dll.lib' >> config.mak
1374             # GNU ld on windows defaults to exporting all global functions if there are no explicit __declspec(dllexport) declarations
1375             # 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
1376             echo "SOFLAGS=-dll -def:x264.def -implib:\$(IMPLIBNAME) $SOFLAGS" >> config.mak
1377             echo "EXPORTS" > x264.def
1378             # export API functions
1379             grep "^\(int\|void\|x264_t\).*x264" ${SRCPATH}/x264.h | sed -e "s/.*\(x264.*\)(.*/\1/;s/open/open_$API/g" >> x264.def
1380             # export API variables/data. must be flagged with the DATA keyword
1381             grep "extern.*x264" ${SRCPATH}/x264.h | sed -e "s/.*\(x264\w*\)\W.*/\1 DATA/;" >> x264.def
1382         else
1383             echo 'IMPLIBNAME=libx264.dll.a' >> config.mak
1384             echo "SOFLAGS=-shared -Wl,--out-implib,\$(IMPLIBNAME) -Wl,--enable-auto-image-base $SOFLAGS" >> config.mak
1385         fi
1386     elif [ "$SYS" = "MACOSX" ]; then
1387         echo "SOSUFFIX=dylib" >> config.mak
1388         echo "SONAME=libx264.$API.dylib" >> config.mak
1389         echo "SOFLAGS=-shared -dynamiclib -Wl,-single_module -Wl,-read_only_relocs,suppress -install_name \$(DESTDIR)\$(libdir)/\$(SONAME) $SOFLAGS" >> config.mak
1390     elif [ "$SYS" = "SunOS" ]; then
1391         echo "SOSUFFIX=so" >> config.mak
1392         echo "SONAME=libx264.so.$API" >> config.mak
1393         echo "SOFLAGS=-shared -Wl,-h,\$(SONAME) $SOFLAGS" >> config.mak
1394     else
1395         echo "SOSUFFIX=so" >> config.mak
1396         echo "SONAME=libx264.so.$API" >> config.mak
1397         echo "SOFLAGS=-shared -Wl,-soname,\$(SONAME) $SOFLAGS" >> config.mak
1398     fi
1399     echo 'default: lib-shared' >> config.mak
1400     echo 'install: install-lib-shared' >> config.mak
1401 fi
1402
1403 if [ "$static" = "yes" ]; then
1404     echo 'default: lib-static' >> config.mak
1405     echo 'install: install-lib-static' >> config.mak
1406 fi
1407
1408 echo "LDFLAGSCLI = $LDFLAGSCLI" >> config.mak
1409 echo "CLI_LIBX264 = $CLI_LIBX264" >> config.mak
1410
1411 cat > x264.pc << EOF
1412 prefix=$prefix
1413 exec_prefix=$exec_prefix
1414 libdir=$libdir
1415 includedir=$includedir
1416
1417 Name: x264
1418 Description: H.264 (MPEG4 AVC) encoder library
1419 Version: $(grep POINTVER < x264_config.h | sed -e 's/.* "//; s/".*//')
1420 Libs: -L$libdir -lx264 $([ "$shared" = "yes" ] || echo $libpthread $libm $libdl)
1421 Libs.private: $([ "$shared" = "yes" ] && echo $libpthread $libm $libdl)
1422 Cflags: -I$includedir
1423 EOF
1424
1425 filters="crop select_every"
1426 gpl_filters=""
1427 [ $swscale = yes ] && filters="resize $filters"
1428 [ $gpl = yes ] && filters="$filters $gpl_filters"
1429
1430 cat > conftest.log <<EOF
1431 platform:      $ARCH
1432 byte order:    $CPU_ENDIAN
1433 system:        $SYS
1434 cli:           $cli
1435 libx264:       $cli_libx264
1436 shared:        $shared
1437 static:        $static
1438 asm:           $asm
1439 interlaced:    $interlaced
1440 avs:           $avs
1441 lavf:          $lavf
1442 ffms:          $ffms
1443 mp4:           $mp4
1444 gpl:           $gpl
1445 thread:        $thread
1446 opencl:        $opencl
1447 filters:       $filters
1448 debug:         $debug
1449 gprof:         $gprof
1450 strip:         $strip
1451 PIC:           $pic
1452 bit depth:     $bit_depth
1453 chroma format: $chroma_format
1454 EOF
1455
1456 echo >> config.log
1457 cat conftest.log >> config.log
1458 cat conftest.log
1459
1460 [ "$SRCPATH" != "." ] && ln -sf ${SRCPATH}/Makefile ./Makefile
1461 mkdir -p common/{aarch64,arm,ppc,x86} encoder extras filters/video input output tools
1462
1463 echo
1464 echo "You can run 'make' or 'make fprofiled' now."
1465