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   --disable-win32thread    disable 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="$RCFLAGS"
 364 CHECK_CFLAGS=""
 365 HAVE_GETOPT_LONG=1
 366 cross_prefix=""
 367
 368 EXE=""
 369 AS_EXT=".S"
 370 NL="
 371 "
 372
 373 # list of all preprocessor HAVE values we can define
 374 CONFIG_HAVE="MALLOC_H ALTIVEC ALTIVEC_H MMX ARMV6 ARMV6T2 NEON BEOSTHREAD POSIXTHREAD WIN32THREAD THREAD LOG2F SWSCALE \
 375              LAVF FFMS GPAC AVS GPL VECTOREXT INTERLACED CPU_COUNT OPENCL THP LSMASH X86_INLINE_ASM AS_FUNC INTEL_DISPATCHER \
 376              MSA MMAP WINRT"
 377
 378 # parse options
 379
 380 for opt do
 381     optarg="${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 $optarg"
 445             ;;
 446         --disable-thread)
 447             thread="no"
 448             ;;
 449         --disable-win32thread)
 450             [ "$thread" != "no" ] && thread="posix"
 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 $host_os in
 566     beos*)
 567         SYS="BEOS"
 568         define HAVE_MALLOC_H
 569         ;;
 570     darwin*)
 571         SYS="MACOSX"
 572         libm="-lm"
 573         CFLAGS="$CFLAGS -D_DARWIN_C_SOURCE"
 574         if [ "$pic" = "no" ]; then
 575             cc_check "" -mdynamic-no-pic && CFLAGS="$CFLAGS -mdynamic-no-pic"
 576         fi
 577         ;;
 578     freebsd*)
 579         SYS="FREEBSD"
 580         libm="-lm"
 581         ;;
 582     kfreebsd*-gnu)
 583         SYS="FREEBSD"
 584         define HAVE_MALLOC_H
 585         libm="-lm"
 586         ;;
 587     netbsd*)
 588         SYS="NETBSD"
 589         libm="-lm"
 590         ;;
 591     openbsd*)
 592         SYS="OPENBSD"
 593         libm="-lm"
 594         ;;
 595     *linux*)
 596         SYS="LINUX"
 597         define HAVE_MALLOC_H
 598         libm="-lm"
 599         ;;
 600     gnu*)
 601         SYS="HURD"
 602         define HAVE_MALLOC_H
 603         libm="-lm"
 604         ;;
 605     cygwin*|mingw*|msys*)
 606         EXE=".exe"
 607         if [[ $host_os = cygwin* ]] && cpp_check "" "" "defined(__CYGWIN__)" ; then
 608             SYS="CYGWIN"
 609             define HAVE_MALLOC_H
 610         else
 611             SYS="WINDOWS"
 612             DEVNULL="NUL"
 613             LDFLAGSCLI="$LDFLAGSCLI -lshell32"
 614             [ $compiler = GNU ] && RC="${RC-${cross_prefix}windres}" || RC="${RC-rc}"
 615         fi
 616         ;;
 617     sunos*|solaris*)
 618         SYS="SunOS"
 619         define HAVE_MALLOC_H
 620         libm="-lm"
 621         if cc_check "" /usr/lib/64/values-xpg6.o; then
 622             LDFLAGS="$LDFLAGS /usr/lib/64/values-xpg6.o"
 623         else
 624             LDFLAGS="$LDFLAGS /usr/lib/values-xpg6.o"
 625         fi
 626         if test -x /usr/ucb/install ; then
 627             INSTALL=/usr/ucb/install
 628         elif test -x /usr/bin/ginstall ; then
 629             # OpenSolaris
 630             INSTALL=/usr/bin/ginstall
 631         elif test -x /usr/gnu/bin/install ; then
 632             # OpenSolaris
 633             INSTALL=/usr/gnu/bin/install
 634         fi
 635         HAVE_GETOPT_LONG=0
 636         ;;
 637     *qnx*)
 638         SYS="QNX"
 639         define HAVE_MALLOC_H
 640         libm="-lm"
 641         HAVE_GETOPT_LONG=0
 642         CFLAGS="$CFLAGS -I\$(SRCPATH)/extras"
 643         ;;
 644     *haiku*)
 645         SYS="HAIKU"
 646         ;;
 647     *)
 648         die "Unknown system $host, edit the configure"
 649         ;;
 650 esac
 651
 652 LDFLAGS="$LDFLAGS $libm"
 653
 654 stack_alignment=4
 655 case $host_cpu in
 656     i*86)
 657         ARCH="X86"
 658         AS="${AS-yasm}"
 659         AS_EXT=".asm"
 660         ASFLAGS="$ASFLAGS -DARCH_X86_64=0 -I\$(SRCPATH)/common/x86/"
 661         if [ $compiler = GNU ]; then
 662             if [[ "$asm" == auto && "$CFLAGS" != *-march* ]]; then
 663                 CFLAGS="$CFLAGS -march=i686"
 664             fi
 665             if [[ "$asm" == auto && "$CFLAGS" != *-mfpmath* ]]; then
 666                 CFLAGS="$CFLAGS -mfpmath=sse -msse -msse2"
 667             fi
 668             CFLAGS="-m32 $CFLAGS"
 669             LDFLAGS="-m32 $LDFLAGS"
 670         fi
 671         if [ "$SYS" = MACOSX ]; then
 672             ASFLAGS="$ASFLAGS -f macho32 -DPREFIX"
 673         elif [ "$SYS" = WINDOWS -o "$SYS" = CYGWIN ]; then
 674             ASFLAGS="$ASFLAGS -f win32 -DPREFIX"
 675             LDFLAGS="$LDFLAGS -Wl,--large-address-aware"
 676             [ $compiler = GNU ] && LDFLAGS="$LDFLAGS -Wl,--dynamicbase,--nxcompat,--tsaware"
 677             [ $compiler = GNU ] && RCFLAGS="--target=pe-i386 $RCFLAGS"
 678         else
 679             ASFLAGS="$ASFLAGS -f elf32"
 680         fi
 681         ;;
 682     x86_64)
 683         ARCH="X86_64"
 684         AS="${AS-yasm}"
 685         AS_EXT=".asm"
 686         ASFLAGS="$ASFLAGS -DARCH_X86_64=1 -I\$(SRCPATH)/common/x86/"
 687         stack_alignment=16
 688         [ $compiler = GNU ] && CFLAGS="-m64 $CFLAGS" && LDFLAGS="-m64 $LDFLAGS"
 689         if [ "$SYS" = MACOSX ]; then
 690             ASFLAGS="$ASFLAGS -f macho64 -DPIC -DPREFIX"
 691             if cc_check '' "-arch x86_64"; then
 692                 CFLAGS="$CFLAGS -arch x86_64"
 693                 LDFLAGS="$LDFLAGS -arch x86_64"
 694             fi
 695         elif [ "$SYS" = WINDOWS -o "$SYS" = CYGWIN ]; then
 696             ASFLAGS="$ASFLAGS -f win64"
 697             if [ $compiler = GNU ]; then
 698                 # only the GNU toolchain is inconsistent in prefixing function names with _
 699                 cc_check "" "-S" && grep -q "_main:" conftest && ASFLAGS="$ASFLAGS -DPREFIX"
 700                 cc_check "" "-Wl,--high-entropy-va" && LDFLAGS="$LDFLAGS -Wl,--high-entropy-va"
 701                 LDFLAGS="$LDFLAGS -Wl,--dynamicbase,--nxcompat,--tsaware"
 702                 LDFLAGSCLI="$LDFLAGSCLI -Wl,--image-base,0x140000000"
 703                 SOFLAGS="$SOFLAGS -Wl,--image-base,0x180000000"
 704                 RCFLAGS="--target=pe-x86-64 $RCFLAGS"
 705             fi
 706         else
 707             ASFLAGS="$ASFLAGS -f elf64"
 708         fi
 709         ;;
 710     powerpc*)
 711         ARCH="PPC"
 712         if [ $asm = auto ] ; then
 713             define HAVE_ALTIVEC
 714             AS="${AS-${CC}}"
 715             AS_EXT=".c"
 716             if [ $SYS = MACOSX ] ; then
 717                 CFLAGS="$CFLAGS -faltivec -fastf -mcpu=G4"
 718             else
 719                 CFLAGS="$CFLAGS -maltivec -mabi=altivec"
 720                 define HAVE_ALTIVEC_H
 721             fi
 722         fi
 723         ;;
 724     sparc)
 725         ARCH="SPARC"
 726         ;;
 727     mips*)
 728         ARCH="MIPS"
 729         AS="${AS-${CC}}"
 730         AS_EXT=".c"
 731         ;;
 732     arm*)
 733         ARCH="ARM"
 734         if [ "$SYS" = MACOSX ] ; then
 735             AS="${AS-${SRCPATH}/tools/gas-preprocessor.pl -arch arm -- ${CC}}"
 736             ASFLAGS="$ASFLAGS -DPREFIX -DPIC"  # apple's ld doesn't support movw/movt relocations at all
 737             # build for armv7 by default
 738             if ! echo $CFLAGS | grep -Eq '\-arch' ; then
 739                 CFLAGS="$CFLAGS -arch armv7"
 740                 LDFLAGS="$LDFLAGS -arch armv7"
 741             fi
 742         else
 743             AS="${AS-${CC}}"
 744         fi
 745         ;;
 746     aarch64)
 747         ARCH="AARCH64"
 748         stack_alignment=16
 749         if [ "$SYS" = MACOSX ] ; then
 750             AS="${AS-${SRCPATH}/tools/gas-preprocessor.pl -arch aarch64 -- ${CC}}"
 751             ASFLAGS="$ASFLAGS -DPREFIX"
 752         else
 753             AS="${AS-${CC}}"
 754         fi
 755         ;;
 756     s390|s390x)
 757         ARCH="S390"
 758         ;;
 759     hppa*|parisc*)
 760         ARCH="PARISC"
 761         ;;
 762     ia64)
 763         ARCH="IA64"
 764         ;;
 765     alpha*)
 766         ARCH="ALPHA"
 767         ;;
 768     *)
 769         ARCH="$(echo $host_cpu | tr a-z A-Z)"
 770         ;;
 771 esac
 772
 773 if [ $SYS = WINDOWS ]; then
 774     if ! rc_check "0 RCDATA {0}" ; then
 775         RC=""
 776     fi
 777
 778     if cpp_check "winapifamily.h" "" "!WINAPI_FAMILY_PARTITION(WINAPI_PARTITION_DESKTOP)" ; then
 779         [ $compiler = CL ] || die "WinRT requires MSVC"
 780         define HAVE_WINRT
 781         CFLAGS="$CFLAGS -MD"
 782         LDFLAGS="$LDFLAGS -appcontainer"
 783         if ! cpp_check "" "" "defined(_WIN32_WINNT) && _WIN32_WINNT >= 0x0603" ; then
 784             die "_WIN32_WINNT must be defined to at least 0x0603 (Windows 8.1) for WinRT"
 785         elif cpp_check "" "" "_WIN32_WINNT >= 0x0A00" ; then
 786             # Universal Windows Platform (Windows 10)
 787             LDFLAGS="$LDFLAGS -lWindowsApp"
 788         fi
 789         cli="no"
 790         opencl="no"
 791     fi
 792 fi
 793
 794 log_msg "x264 configure script"
 795 if [ -n "$*" ]; then
 796     msg="Command line options:"
 797     for i in $@; do
 798         msg="$msg \"$i\""
 799     done
 800     log_msg "$msg"
 801 fi
 802 log_msg ""
 803
 804 # check requirements
 805
 806 cc_check || die "No working C compiler found."
 807
 808 if [ $compiler_style = GNU ]; then
 809     if cc_check '' -std=gnu99 'for( int i = 0; i < 9; i++ );' ; then
 810         CFLAGS="$CFLAGS -std=gnu99 -D_POSIX_C_SOURCE=200112L -D_GNU_SOURCE"
 811     elif cc_check '' -std=c99 'for( int i = 0; i < 9; i++ );' ; then
 812         CFLAGS="$CFLAGS -std=c99 -D_POSIX_C_SOURCE=200112L -D_BSD_SOURCE"
 813     elif ! cc_check '' '' 'for( int i = 0; i < 9; i++ );' ; then
 814         die "C99 compiler is needed for compilation."
 815     fi
 816 fi
 817
 818 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
 819     pic="yes"
 820 fi
 821
 822 if [ $compiler = GNU -a \( $ARCH = X86 -o $ARCH = X86_64 \) ] ; then
 823     if cc_check '' -mpreferred-stack-boundary=5 ; then
 824         CFLAGS="$CFLAGS -mpreferred-stack-boundary=5"
 825         stack_alignment=32
 826     elif [ $stack_alignment -lt 16 ] && cc_check '' -mpreferred-stack-boundary=4 ; then
 827         CFLAGS="$CFLAGS -mpreferred-stack-boundary=4"
 828         stack_alignment=16
 829     fi
 830 elif [ $compiler = ICC -a $ARCH = X86 ]; then
 831     # icc on linux has various degrees of mod16 stack support
 832     if [ $SYS = LINUX ]; then
 833         # >= 12 defaults to a mod16 stack
 834         if cpp_check "" "" "__INTEL_COMPILER >= 1200" ; then
 835             stack_alignment=16
 836         # 11 <= x < 12 is capable of keeping a mod16 stack, but defaults to not doing so.
 837         elif cpp_check "" "" "__INTEL_COMPILER >= 1100" ; then
 838             CFLAGS="$CFLAGS -falign-stack=assume-16-byte"
 839             stack_alignment=16
 840         fi
 841         # < 11 is completely incapable of keeping a mod16 stack
 842     fi
 843 fi
 844
 845 if [ $asm = auto -a \( $ARCH = X86 -o $ARCH = X86_64 \) ] ; then
 846     if ! as_check "vpmovzxwd ymm0, xmm0" ; then
 847         VER=`($AS --version || echo no assembler) 2>/dev/null | head -n 1`
 848         echo "Found $VER"
 849         echo "Minimum version is yasm-1.2.0"
 850         echo "If you really want to compile without asm, configure with --disable-asm."
 851         exit 1
 852     fi
 853     cc_check '' '' '__asm__("pabsw %xmm0, %xmm0");' && define HAVE_X86_INLINE_ASM
 854     ASFLAGS="$ASFLAGS -Worphan-labels"
 855     define HAVE_MMX
 856 fi
 857
 858 if [ $asm = auto -a $ARCH = ARM ] ; then
 859     # set flags so neon is built by default
 860     echo $CFLAGS | grep -Eq '(-mcpu|-march|-mfpu)' || CFLAGS="$CFLAGS -mcpu=cortex-a8 -mfpu=neon"
 861
 862     if  cc_check '' '' '__asm__("rev ip, ip");' ; then      define HAVE_ARMV6
 863         cc_check '' '' '__asm__("movt r0, #0");'         && define HAVE_ARMV6T2
 864         cc_check '' '' '__asm__("vadd.i16 q0, q0, q0");' && define HAVE_NEON
 865         ASFLAGS="$ASFLAGS -c"
 866     else
 867         echo "You specified a pre-ARMv6 or Thumb-1 CPU in your 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 $ARCH = AARCH64 ] ; then
 874     if  cc_check '' '' '__asm__("cmeq v0.8h, v0.8h, #0");' ; then define HAVE_NEON
 875         ASFLAGS="$ASFLAGS -c"
 876     else
 877         echo "no NEON support, try adding -mfpu=neon to CFLAGS"
 878         echo "If you really want to run on such a CPU, configure with --disable-asm."
 879         exit 1
 880     fi
 881 fi
 882
 883 if [ $asm = auto -a \( $ARCH = ARM -o $ARCH = AARCH64 \) ] ; then
 884     # check if the assembler supports '.func' (clang 3.5 does not)
 885     as_check ".func test${NL}.endfunc" && define HAVE_AS_FUNC 1
 886 fi
 887
 888 if [ $asm = auto -a $ARCH = MIPS ] ; then
 889     if ! echo $CFLAGS | grep -Eq '(-march|-mmsa|-mno-msa)' ; then
 890         cc_check '' '-mmsa -mfp64 -mhard-float' && CFLAGS="-mmsa -mfp64 -mhard-float $CFLAGS"
 891     fi
 892
 893     if cc_check '' '' '__asm__("addvi.b $w0, $w1, 1");' ; then
 894         define HAVE_MSA
 895     else
 896         echo "You specified a pre-MSA CPU in your CFLAGS."
 897         echo "If you really want to run on such a CPU, configure with --disable-asm."
 898         exit 1
 899     fi
 900 fi
 901
 902 [ $asm = no ] && AS=""
 903 [ "x$AS" = x ] && asm="no" || asm="yes"
 904
 905 define ARCH_$ARCH
 906 define SYS_$SYS
 907
 908 define STACK_ALIGNMENT $stack_alignment
 909 ASFLAGS="$ASFLAGS -DSTACK_ALIGNMENT=$stack_alignment"
 910
 911 # 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
 912 CPU_ENDIAN="little-endian"
 913 if [ $compiler = GNU ]; then
 914     echo "int i[2] = {0x42494745,0}; double f[2] = {0x1.0656e6469616ep+102,0};" > conftest.c
 915     $CC $CFLAGS conftest.c -c -o conftest.o 2>/dev/null || die "endian test failed"
 916     if (${cross_prefix}strings -a conftest.o | grep -q BIGE) && (${cross_prefix}strings -a conftest.o | grep -q FPendian) ; then
 917         define WORDS_BIGENDIAN
 918         CPU_ENDIAN="big-endian"
 919     elif !(${cross_prefix}strings -a conftest.o | grep -q EGIB && ${cross_prefix}strings -a conftest.o | grep -q naidnePF) ; then
 920         die "endian test failed"
 921     fi
 922 fi
 923
 924 if [ "$cli_libx264" = "system" -a "$shared" != "yes" ] ; then
 925     [ "$static" = "yes" ] && die "Option --system-libx264 can not be used together with --enable-static"
 926     if ${cross_prefix}pkg-config --exists x264 2>/dev/null; then
 927         X264_LIBS="$(${cross_prefix}pkg-config --libs x264)"
 928         X264_INCLUDE_DIR="${X264_INCLUDE_DIR-$(${cross_prefix}pkg-config --variable=includedir x264)}"
 929         configure_system_override "$X264_INCLUDE_DIR" || die "Detection of system libx264 configuration failed"
 930     else
 931         die "Can not find system libx264"
 932     fi
 933 fi
 934
 935 # autodetect options that weren't forced nor disabled
 936
 937 libpthread=""
 938 if [ "$SYS" = "WINDOWS" -a "$thread" = "posix" ] ; then
 939     if [ "$gpl" = "no" ] ; then
 940         echo "Warning: pthread-win32 is LGPL and is therefore not supported with --disable-gpl"
 941         thread="no"
 942     elif cc_check pthread.h -lpthread "pthread_create(0,0,0,0);" ; then
 943         libpthread="-lpthread"
 944     elif cc_check pthread.h -lpthreadGC2 "pthread_create(0,0,0,0);" ; then
 945         libpthread="-lpthreadGC2"
 946     elif cc_check pthread.h "-lpthreadGC2 -lwsock32 -DPTW32_STATIC_LIB" "pthread_create(0,0,0,0);" ; then
 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         libpthread="-lpthreadGC2 -lws2_32"
 951         define PTW32_STATIC_LIB
 952     else
 953         thread="no"
 954     fi
 955 elif [ "$thread" != "no" ] ; then
 956     thread="no"
 957     case $SYS in
 958         BEOS)
 959             thread="beos"
 960             define HAVE_BEOSTHREAD
 961             ;;
 962         WINDOWS)
 963             thread="win32"
 964             define HAVE_WIN32THREAD
 965             ;;
 966         QNX)
 967             cc_check pthread.h -lc "pthread_create(0,0,0,0);" && thread="posix" && libpthread="-lc"
 968             ;;
 969         *)
 970             if cc_check pthread.h -lpthread "pthread_create(0,0,0,0);" ; then
 971                thread="posix"
 972                libpthread="-lpthread"
 973             else
 974                 cc_check pthread.h "" "pthread_create(0,0,0,0);" && thread="posix" && libpthread=""
 975             fi
 976             ;;
 977     esac
 978 fi
 979 if [ "$thread" = "posix" ]; then
 980     LDFLAGS="$LDFLAGS $libpthread"
 981     define HAVE_POSIXTHREAD
 982     if [ "$SYS" = "LINUX" ] && cc_check sched.h "-D_GNU_SOURCE -Werror" "cpu_set_t p_aff; return CPU_COUNT(&p_aff);" ; then
 983         define HAVE_CPU_COUNT
 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" != "WINDOWS" ] && cpp_check "sys/mman.h unistd.h" "" "defined(MAP_PRIVATE)"; then
 993     define HAVE_MMAP
 994 fi
 995
 996 if [ "$SYS" = "LINUX" -a \( "$ARCH" = "X86" -o "$ARCH" = "X86_64" \) ] && cc_check "sys/mman.h" "" "MADV_HUGEPAGE;" ; then
 997     define HAVE_THP
 998 fi
 999
1000 if [ "$cli" = "no" ] ; then
1001     avs="no"
1002     lavf="no"
1003     ffms="no"
1004     gpac="no"
1005     lsmash="no"
1006     mp4="no"
1007     swscale="no"
1008 fi
1009
1010 if [ "$swscale" = "auto" ] ; then
1011     swscale="no"
1012     if ${cross_prefix}pkg-config --exists libswscale 2>/dev/null; then
1013         SWSCALE_LIBS="$SWSCALE_LIBS $(${cross_prefix}pkg-config --libs libswscale libavutil)"
1014         SWSCALE_CFLAGS="$SWSCALE_CFLAGS $(${cross_prefix}pkg-config --cflags libswscale libavutil)"
1015     fi
1016     [ -z "$SWSCALE_LIBS" ] && SWSCALE_LIBS="-lswscale -lavutil"
1017
1018     if cc_check "libswscale/swscale.h" "$SWSCALE_CFLAGS $SWSCALE_LIBS" "sws_init_context(0,0,0);" ; then
1019         if cpp_check "libavutil/pixdesc.h" "$SWSCALE_CFLAGS $SWSCALE_LIBS" "defined(AV_PIX_FMT_FLAG_RGB)" ; then
1020             swscale="yes"
1021         else
1022             echo "Warning: AV_PIX_FMT_FLAG_RGB is missing from libavutil, update for swscale support"
1023         fi
1024     fi
1025 fi
1026
1027 if [ "$lavf" = "auto" ] ; then
1028     lavf="no"
1029     if ${cross_prefix}pkg-config --exists libavformat libavcodec libswscale 2>/dev/null; then
1030         LAVF_LIBS="$LAVF_LIBS $(${cross_prefix}pkg-config --libs libavformat libavcodec libavutil libswscale)"
1031         LAVF_CFLAGS="$LAVF_CFLAGS $(${cross_prefix}pkg-config --cflags libavformat libavcodec libavutil libswscale)"
1032     fi
1033     if [ -z "$LAVF_LIBS" -a -z "$LAVF_CFLAGS" ]; then
1034         LAVF_LIBS="-lavformat"
1035         for lib in -lpostproc -lavcodec -lswscale -lavutil -lm -lz -lbz2 $libpthread -lavifil32 -lws2_32; do
1036             cc_check "" $lib && LAVF_LIBS="$LAVF_LIBS $lib"
1037         done
1038     fi
1039     LAVF_LIBS="-L. $LAVF_LIBS"
1040     if cc_check libavformat/avformat.h "$LAVF_CFLAGS $LAVF_LIBS" "av_frame_free(0);" ; then
1041         if [ "$swscale" = "yes" ]; then
1042             lavf="yes"
1043         else
1044             echo "Warning: libavformat is not supported without swscale support"
1045         fi
1046     fi
1047 fi
1048
1049 if [ "$ffms" = "auto" ] ; then
1050     ffms_major="2"; ffms_minor="21"; ffms_micro="0"; ffms_bump="0"
1051     ffms="no"
1052
1053     if ${cross_prefix}pkg-config --exists ffms2 2>/dev/null; then
1054         FFMS2_LIBS="$FFMS2_LIBS $(${cross_prefix}pkg-config --libs ffms2)"
1055         FFMS2_CFLAGS="$FFMS2_CFLAGS $(${cross_prefix}pkg-config --cflags ffms2)"
1056     fi
1057     [ -z "$FFMS2_LIBS" ] && FFMS2_LIBS="-lffms2"
1058
1059     if cc_check ffms.h "$FFMS2_CFLAGS $FFMS2_LIBS" "FFMS_DestroyVideoSource(0);" ; then
1060         ffms="yes"
1061     elif cc_check ffms.h "$FFMS2_CFLAGS $FFMS2_LIBS -lstdc++ $LAVF_LIBS" "FFMS_DestroyVideoSource(0);" ; then
1062         ffms="yes"
1063         FFMS2_LIBS="$FFMS2_LIBS -lstdc++ $LAVF_LIBS"
1064     fi
1065
1066     error="ffms must be at least version $ffms_major.$ffms_minor.$ffms_micro.$ffms_bump"
1067     if [ $ffms = "yes" ] && ! cpp_check "ffms.h" "$FFMS2_CFLAGS" "FFMS_VERSION >= (($ffms_major << 24) | ($ffms_minor << 16) | ($ffms_micro << 8) | $ffms_bump)" "$error"; then
1068        ffms="no"
1069        echo "Warning: $error"
1070     fi
1071     if [ "$ffms" = "yes" -a "$swscale" = "no" ]; then
1072         echo "Warning: ffms is not supported without swscale support"
1073         ffms="no"
1074     fi
1075 fi
1076
1077 if [ "$swscale" = "yes" ]; then
1078     LDFLAGSCLI="$SWSCALE_LIBS $LDFLAGSCLI"
1079     CFLAGS="$CFLAGS $SWSCALE_CFLAGS"
1080     define HAVE_SWSCALE
1081     if [ "$lavf" = "yes" ]; then
1082         LDFLAGSCLI="$LAVF_LIBS $LDFLAGSCLI"
1083         CFLAGS="$CFLAGS $LAVF_CFLAGS"
1084         define HAVE_LAVF
1085     fi
1086     if [ "$ffms" = "yes" ]; then
1087         LDFLAGSCLI="$FFMS2_LIBS $LDFLAGSCLI"
1088         CFLAGS="$CFLAGS $FFMS2_CFLAGS"
1089         define HAVE_FFMS
1090     fi
1091 fi
1092
1093 if [ "$lsmash" = "auto" ] ; then
1094     lsmash="no"
1095     if ${cross_prefix}pkg-config --exists liblsmash 2>/dev/null; then
1096         LSMASH_LIBS="$LSMASH_LIBS $(${cross_prefix}pkg-config --libs liblsmash)"
1097         LSMASH_CFLAGS="$LSMASH_CFLAGS $(${cross_prefix}pkg-config --cflags liblsmash)"
1098     fi
1099     [ -z "$LSMASH_LIBS" ] && LSMASH_LIBS="-llsmash"
1100
1101     if cc_check lsmash.h "$LSMASH_CFLAGS $LSMASH_LIBS" ; then
1102         if cpp_check lsmash.h "$LSMASH_CFLAGS" "LSMASH_VERSION_MAJOR > 1 || (LSMASH_VERSION_MAJOR == 1 && LSMASH_VERSION_MINOR >= 5)" ; then
1103             lsmash="yes"
1104         else
1105             echo "Warning: lsmash is too old, update to rev.895 or later"
1106         fi
1107     fi
1108 fi
1109
1110 if [ "$gpac" = "auto" -a "$lsmash" != "yes" ] ; then
1111     gpac="no"
1112     GPAC_LIBS="-lgpac_static"
1113     cc_check "" -lz && GPAC_LIBS="$GPAC_LIBS -lz"
1114     if [ "$SYS" = "WINDOWS" ] ; then
1115         cc_check "" -lws2_32 && GPAC_LIBS="$GPAC_LIBS -lws2_32"
1116         cc_check "" -lwinmm && GPAC_LIBS="$GPAC_LIBS -lwinmm"
1117     fi
1118     if cc_check gpac/isomedia.h "$GPAC_LIBS" ; then
1119         if cc_check gpac/isomedia.h "$GPAC_LIBS" "gf_isom_set_pixel_aspect_ratio(0,0,0,0,0);" ; then
1120             gpac="yes"
1121         else
1122             echo "Warning: gpac is too old, update to 2007-06-21 UTC or later"
1123         fi
1124     fi
1125 fi
1126
1127 if [ "$lsmash" = "yes" ] ; then
1128     mp4="lsmash"
1129     LDFLAGSCLI="$LSMASH_LIBS $LDFLAGSCLI"
1130     CFLAGS="$CFLAGS $LSMASH_CFLAGS"
1131     define HAVE_LSMASH
1132 elif [ "$gpac" = "yes" ] ; then
1133     mp4="gpac"
1134     define HAVE_GPAC
1135     LDFLAGSCLI="$GPAC_LIBS $LDFLAGSCLI"
1136 fi
1137
1138 if [ "$avs" = "auto" ] ; then
1139     avs="no"
1140     # cygwin can use avisynth if it can use LoadLibrary
1141     if [ $SYS = WINDOWS ] || ([ $SYS = CYGWIN ] && cc_check windows.h "" "LoadLibraryW(0);") ; then
1142         avs="avisynth"
1143         define HAVE_AVS
1144         define USE_AVXSYNTH 0
1145     elif [ "$SYS" = "LINUX" -o "$SYS" = "MACOSX" ] ; then
1146     # AvxSynth currently only supports Linux and OSX
1147         avs="avxsynth"
1148         define HAVE_AVS
1149         define USE_AVXSYNTH 1
1150         AVS_LIBS="-ldl"
1151         LDFLAGSCLI="$AVS_LIBS $LDFLAGSCLI"
1152     fi
1153 fi
1154
1155 cc_check "stdint.h" "" "uint32_t test_vec __attribute__ ((vector_size (16))) = {0,1,2,3};" && define HAVE_VECTOREXT
1156
1157 if [ "$pic" = "yes" ] ; then
1158     [ "$SYS" != WINDOWS -a "$SYS" != CYGWIN ] && CFLAGS="$CFLAGS -fPIC"
1159     ASFLAGS="$ASFLAGS -DPIC"
1160     # resolve textrels in the x86 asm
1161     cc_check stdio.h "-shared -Wl,-Bsymbolic" && SOFLAGS="$SOFLAGS -Wl,-Bsymbolic"
1162     [ $SYS = SunOS -a "$ARCH" = "X86" ] && SOFLAGS="$SOFLAGS -mimpure-text"
1163 fi
1164
1165 if [ "$debug" != "yes" -a "$gprof" != "yes" ]; then
1166     CFLAGS="$CFLAGS -fomit-frame-pointer"
1167 fi
1168
1169 if [ "$strip" = "yes" ]; then
1170     LDFLAGS="$LDFLAGS -s"
1171 fi
1172
1173 if [ "$debug" = "yes" ]; then
1174     CFLAGS="-O1 -g $CFLAGS"
1175     RCFLAGS="$RCFLAGS -DDEBUG"
1176 else
1177     CFLAGS="-O3 -ffast-math $CFLAGS"
1178 fi
1179
1180 if cc_check '' -fno-tree-vectorize ; then
1181     CFLAGS="$CFLAGS -fno-tree-vectorize"
1182 fi
1183
1184 if [ $SYS = WINDOWS -a $ARCH = X86 -a $compiler = GNU ] ; then
1185     # workaround gcc/ld bug with alignment of static variables/arrays that are initialized to zero
1186     cc_check '' -fno-zero-initialized-in-bss && CFLAGS="$CFLAGS -fno-zero-initialized-in-bss"
1187 fi
1188
1189 if cc_check "stdio.h" "" "fseeko(stdin,0,0);" ; then
1190     define fseek fseeko
1191     define ftell ftello
1192 elif cc_check "stdio.h" "" "fseeko64(stdin,0,0);" ; then
1193     define fseek fseeko64
1194     define ftell ftello64
1195 elif cc_check "stdio.h" "" "_fseeki64(stdin,0,0);" ; then
1196     define fseek _fseeki64
1197     define ftell _ftelli64
1198 fi
1199
1200 if cc_check '' -Wshadow ; then
1201     CFLAGS="-Wshadow $CFLAGS"
1202 fi
1203
1204 if cc_check '' -Wmaybe-uninitialized ; then
1205     CFLAGS="-Wno-maybe-uninitialized $CFLAGS"
1206 fi
1207
1208 if [ $compiler = ICC -o $compiler = ICL ] ; then
1209     if cc_check 'extras/intel_dispatcher.h' '' 'x264_intel_dispatcher_override();' ; then
1210         define HAVE_INTEL_DISPATCHER
1211     fi
1212 fi
1213
1214 if [ "$bit_depth" -gt "8" ]; then
1215     define HIGH_BIT_DEPTH
1216     ASFLAGS="$ASFLAGS -DHIGH_BIT_DEPTH=1"
1217     opencl="no"
1218 else
1219     ASFLAGS="$ASFLAGS -DHIGH_BIT_DEPTH=0"
1220 fi
1221
1222 if [ "$chroma_format" != "all" ]; then
1223     define CHROMA_FORMAT CHROMA_$chroma_format
1224 fi
1225
1226 ASFLAGS="$ASFLAGS -DBIT_DEPTH=$bit_depth"
1227
1228 [ $gpl = yes ] && define HAVE_GPL && x264_gpl=1 || x264_gpl=0
1229
1230 [ $interlaced = yes ] && define HAVE_INTERLACED && x264_interlaced=1 || x264_interlaced=0
1231
1232 libdl=""
1233 if [ "$opencl" = "yes" ]; then
1234     opencl="no"
1235     # cygwin can use opencl if it can use LoadLibrary
1236     if [ $SYS = WINDOWS ] || ([ $SYS = CYGWIN ] && cc_check windows.h "" "LoadLibraryW(0);") ; then
1237         opencl="yes"
1238         define HAVE_OPENCL
1239     elif [ "$SYS" = "LINUX" -o "$SYS" = "MACOSX" ] ; then
1240         opencl="yes"
1241         define HAVE_OPENCL
1242         libdl="-ldl"
1243     fi
1244     LDFLAGS="$LDFLAGS $libdl"
1245 fi
1246
1247 #define undefined vars as 0
1248 for var in $CONFIG_HAVE; do
1249     grep -q "HAVE_$var 1" config.h || define HAVE_$var 0
1250 done
1251
1252 # generate exported config file
1253
1254 config_chroma_format="X264_CSP_I$chroma_format"
1255 [ "$config_chroma_format" == "X264_CSP_Iall" ] && config_chroma_format="0"
1256 cat > x264_config.h << EOF
1257 #define X264_BIT_DEPTH     $bit_depth
1258 #define X264_GPL           $x264_gpl
1259 #define X264_INTERLACED    $x264_interlaced
1260 #define X264_CHROMA_FORMAT $config_chroma_format
1261 EOF
1262
1263 ${SRCPATH}/version.sh >> x264_config.h
1264
1265 if [ "$cli_libx264" = "system" ] ; then
1266     if [ "$shared" = "yes" ]; then
1267         CLI_LIBX264='$(SONAME)'
1268     else
1269         CLI_LIBX264=
1270         LDFLAGSCLI="$X264_LIBS $LDFLAGSCLI"
1271         cc_check 'stdint.h x264.h' '' 'x264_encoder_open(0);' || die "System libx264 can't be used for compilation of this version"
1272     fi
1273 else
1274     CLI_LIBX264='$(LIBX264)'
1275 fi
1276
1277 DEPMM="${QPRE}MM"
1278 DEPMT="${QPRE}MT"
1279 if [ $compiler_style = MS ]; then
1280     AR="lib -nologo -out:"
1281     LD="link -out:"
1282     if [ $compiler = ICL ]; then
1283         AR="xi$AR"
1284         LD="xi$LD"
1285     else
1286         mslink="$(dirname "$(command -v cl 2>/dev/null)")/link"
1287         [ -x "$mslink" ] && LD="\"$mslink\" -out:"
1288     fi
1289     HAVE_GETOPT_LONG=0
1290     LDFLAGS="-nologo -incremental:no $(cl_ldflags $LDFLAGS)"
1291     LDFLAGSCLI="$(cl_ldflags $LDFLAGSCLI)"
1292     LIBX264=libx264.lib
1293     RANLIB=
1294     [ -n "$RC" ] && RCFLAGS="$RCFLAGS -nologo -I. -I\$(SRCPATH)/extras -fo"
1295     STRIP=
1296     if [ $debug = yes ]; then
1297         LDFLAGS="-debug $LDFLAGS"
1298         CFLAGS="-D_DEBUG $CFLAGS"
1299     else
1300         CFLAGS="-DNDEBUG $CFLAGS"
1301     fi
1302 else # gcc/icc
1303     DEPMM="$DEPMM -g0"
1304     AR="$AR rc "
1305     LD="$CC -o "
1306     LIBX264=libx264.a
1307     [ -n "$RC" ] && RCFLAGS="$RCFLAGS -I. -o "
1308 fi
1309 [ $compiler != GNU ] && CFLAGS="$(cc_cflags $CFLAGS)"
1310 if [ $compiler = ICC -o $compiler = ICL ]; then
1311     # icc does not define __SSE__ until SSE2 optimization and icl never defines it or _M_IX86_FP
1312     [ \( $ARCH = X86_64 -o $ARCH = X86 \) -a $asm = yes ] && ! cpp_check "" "" "defined(__SSE__)" && define __SSE__
1313     PROF_GEN_CC="${QPRE}prof-gen ${QPRE}prof-dir."
1314     PROF_GEN_LD=
1315     PROF_USE_CC="${QPRE}prof-use ${QPRE}prof-dir."
1316     PROF_USE_LD=
1317 elif [ $compiler = CL ]; then
1318     # Visual Studio
1319     # _M_IX86_FP is only defined on x86
1320     [ $ARCH = X86 ] && cpp_check '' '' '_M_IX86_FP >= 1' && define __SSE__
1321     [ $ARCH = X86_64 ] && define __SSE__
1322     # As long as the cli application can't link against the dll, the dll can not be pgo'd.
1323     # pgds are link flag specific and the -dll flag for creating the dll makes it unshareable with the cli
1324     PROF_GEN_CC="-GL"
1325     PROF_GEN_LD="-LTCG:PGINSTRUMENT"
1326     PROF_USE_CC="-GL"
1327     PROF_USE_LD="-LTCG:PGOPTIMIZE"
1328 else
1329     PROF_GEN_CC="-fprofile-generate"
1330     PROF_GEN_LD="-fprofile-generate"
1331     PROF_USE_CC="-fprofile-use"
1332     PROF_USE_LD="-fprofile-use"
1333 fi
1334
1335 # generate config files
1336
1337 cat > config.mak << EOF
1338 SRCPATH=$SRCPATH
1339 prefix=$prefix
1340 exec_prefix=$exec_prefix
1341 bindir=$bindir
1342 libdir=$libdir
1343 includedir=$includedir
1344 SYS_ARCH=$ARCH
1345 SYS=$SYS
1346 CC=$CC
1347 CFLAGS=$CFLAGS
1348 COMPILER=$compiler
1349 COMPILER_STYLE=$compiler_style
1350 DEPMM=$DEPMM
1351 DEPMT=$DEPMT
1352 LD=$LD
1353 LDFLAGS=$LDFLAGS
1354 LIBX264=$LIBX264
1355 AR=$AR
1356 RANLIB=$RANLIB
1357 STRIP=$STRIP
1358 INSTALL=$INSTALL
1359 AS=$AS
1360 ASFLAGS=$ASFLAGS
1361 RC=$RC
1362 RCFLAGS=$RCFLAGS
1363 EXE=$EXE
1364 HAVE_GETOPT_LONG=$HAVE_GETOPT_LONG
1365 DEVNULL=$DEVNULL
1366 PROF_GEN_CC=$PROF_GEN_CC
1367 PROF_GEN_LD=$PROF_GEN_LD
1368 PROF_USE_CC=$PROF_USE_CC
1369 PROF_USE_LD=$PROF_USE_LD
1370 HAVE_OPENCL=$opencl
1371 EOF
1372
1373 if [ $compiler_style = MS ]; then
1374     echo '%.o: %.c' >> config.mak
1375     echo '      $(CC) $(CFLAGS) -c -Fo$@ $<' >> config.mak
1376 fi
1377
1378 if [ "$cli" = "yes" ]; then
1379     echo 'default: cli' >> config.mak
1380     echo 'install: install-cli' >> config.mak
1381 fi
1382
1383 if [ "$shared" = "yes" ]; then
1384     API=$(grep '#define X264_BUILD' < ${SRCPATH}/x264.h | cut -f 3 -d ' ')
1385     if [ "$SYS" = "WINDOWS" -o "$SYS" = "CYGWIN" ]; then
1386         echo "SONAME=libx264-$API.dll" >> config.mak
1387         if [ $compiler_style = MS ]; then
1388             echo 'IMPLIBNAME=libx264.dll.lib' >> config.mak
1389             # GNU ld on windows defaults to exporting all global functions if there are no explicit __declspec(dllexport) declarations
1390             # 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
1391             echo "SOFLAGS=-dll -def:x264.def -implib:\$(IMPLIBNAME) $SOFLAGS" >> config.mak
1392             echo "EXPORTS" > x264.def
1393             # export API functions
1394             grep "^\(int\|void\|x264_t\).*x264" ${SRCPATH}/x264.h | sed -e "s/.*\(x264.*\)(.*/\1/;s/open/open_$API/g" >> x264.def
1395             # export API variables/data. must be flagged with the DATA keyword
1396             grep "extern.*x264" ${SRCPATH}/x264.h | sed -e "s/.*\(x264\w*\)\W.*/\1 DATA/;" >> x264.def
1397         else
1398             echo 'IMPLIBNAME=libx264.dll.a' >> config.mak
1399             echo "SOFLAGS=-shared -Wl,--out-implib,\$(IMPLIBNAME) $SOFLAGS" >> config.mak
1400         fi
1401     elif [ "$SYS" = "MACOSX" ]; then
1402         echo "SOSUFFIX=dylib" >> config.mak
1403         echo "SONAME=libx264.$API.dylib" >> config.mak
1404         echo "SOFLAGS=-shared -dynamiclib -Wl,-single_module -Wl,-read_only_relocs,suppress -install_name \$(DESTDIR)\$(libdir)/\$(SONAME) $SOFLAGS" >> config.mak
1405     elif [ "$SYS" = "SunOS" ]; then
1406         echo "SOSUFFIX=so" >> config.mak
1407         echo "SONAME=libx264.so.$API" >> config.mak
1408         echo "SOFLAGS=-shared -Wl,-h,\$(SONAME) $SOFLAGS" >> config.mak
1409     else
1410         echo "SOSUFFIX=so" >> config.mak
1411         echo "SONAME=libx264.so.$API" >> config.mak
1412         echo "SOFLAGS=-shared -Wl,-soname,\$(SONAME) $SOFLAGS" >> config.mak
1413     fi
1414     echo 'default: lib-shared' >> config.mak
1415     echo 'install: install-lib-shared' >> config.mak
1416 fi
1417
1418 if [ "$static" = "yes" ]; then
1419     echo 'default: lib-static' >> config.mak
1420     echo 'install: install-lib-static' >> config.mak
1421 fi
1422
1423 echo "LDFLAGSCLI = $LDFLAGSCLI" >> config.mak
1424 echo "CLI_LIBX264 = $CLI_LIBX264" >> config.mak
1425
1426 cat > x264.pc << EOF
1427 prefix=$prefix
1428 exec_prefix=$exec_prefix
1429 libdir=$libdir
1430 includedir=$includedir
1431
1432 Name: x264
1433 Description: H.264 (MPEG4 AVC) encoder library
1434 Version: $(grep POINTVER < x264_config.h | sed -e 's/.* "//; s/".*//')
1435 Libs: -L$libdir -lx264 $([ "$shared" = "yes" ] || echo $libpthread $libm $libdl)
1436 Libs.private: $([ "$shared" = "yes" ] && echo $libpthread $libm $libdl)
1437 Cflags: -I$includedir
1438 EOF
1439
1440 filters="crop select_every"
1441 gpl_filters=""
1442 [ $swscale = yes ] && filters="resize $filters"
1443 [ $gpl = yes ] && filters="$filters $gpl_filters"
1444
1445 cat > conftest.log <<EOF
1446 platform:      $ARCH
1447 byte order:    $CPU_ENDIAN
1448 system:        $SYS
1449 cli:           $cli
1450 libx264:       $cli_libx264
1451 shared:        $shared
1452 static:        $static
1453 asm:           $asm
1454 interlaced:    $interlaced
1455 avs:           $avs
1456 lavf:          $lavf
1457 ffms:          $ffms
1458 mp4:           $mp4
1459 gpl:           $gpl
1460 thread:        $thread
1461 opencl:        $opencl
1462 filters:       $filters
1463 debug:         $debug
1464 gprof:         $gprof
1465 strip:         $strip
1466 PIC:           $pic
1467 bit depth:     $bit_depth
1468 chroma format: $chroma_format
1469 EOF
1470
1471 echo >> config.log
1472 cat conftest.log >> config.log
1473 cat conftest.log
1474
1475 [ "$SRCPATH" != "." ] && ln -sf ${SRCPATH}/Makefile ./Makefile
1476 mkdir -p common/{aarch64,arm,ppc,x86} encoder extras filters/video input output tools
1477
1478 echo
1479 echo "You can run 'make' or 'make fprofiled' now."
1480