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 $host_os in
 566     beos*)
 567         SYS="BEOS"
 568         define HAVE_MALLOC_H
 569         ;;
 570     darwin*)
 571         SYS="MACOSX"
 572         libm="-lm"
 573         if [ "$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*|mingw*|msys*)
 605         EXE=".exe"
 606         if [[ $host_os = cygwin* ]] && cpp_check "" "" "defined(__CYGWIN__)" ; then
 607             SYS="CYGWIN"
 608             define HAVE_MALLOC_H
 609         else
 610             SYS="WINDOWS"
 611             DEVNULL="NUL"
 612             LDFLAGSCLI="$LDFLAGSCLI -lshell32"
 613             [ $compiler = GNU ] && RC="${RC-${cross_prefix}windres}" || RC="${RC-rc}"
 614         fi
 615         ;;
 616     sunos*|solaris*)
 617         SYS="SunOS"
 618         define HAVE_MALLOC_H
 619         libm="-lm"
 620         if cc_check "" /usr/lib/64/values-xpg6.o; then
 621             LDFLAGS="$LDFLAGS /usr/lib/64/values-xpg6.o"
 622         else
 623             LDFLAGS="$LDFLAGS /usr/lib/values-xpg6.o"
 624         fi
 625         if test -x /usr/ucb/install ; then
 626             INSTALL=/usr/ucb/install
 627         elif test -x /usr/bin/ginstall ; then
 628             # OpenSolaris
 629             INSTALL=/usr/bin/ginstall
 630         elif test -x /usr/gnu/bin/install ; then
 631             # OpenSolaris
 632             INSTALL=/usr/gnu/bin/install
 633         fi
 634         HAVE_GETOPT_LONG=0
 635         ;;
 636     *qnx*)
 637         SYS="QNX"
 638         define HAVE_MALLOC_H
 639         libm="-lm"
 640         HAVE_GETOPT_LONG=0
 641         CFLAGS="$CFLAGS -I\$(SRCPATH)/extras"
 642         ;;
 643     *haiku*)
 644         SYS="HAIKU"
 645         ;;
 646     *)
 647         die "Unknown system $host, edit the configure"
 648         ;;
 649 esac
 650
 651 LDFLAGS="$LDFLAGS $libm"
 652
 653 stack_alignment=4
 654 case $host_cpu in
 655     i*86)
 656         ARCH="X86"
 657         AS="${AS-yasm}"
 658         AS_EXT=".asm"
 659         ASFLAGS="$ASFLAGS -DARCH_X86_64=0 -I\$(SRCPATH)/common/x86/"
 660         if [ $compiler = GNU ]; then
 661             if [[ "$asm" == auto && "$CFLAGS" != *-march* ]]; then
 662                 CFLAGS="$CFLAGS -march=i686"
 663             fi
 664             if [[ "$asm" == auto && "$CFLAGS" != *-mfpmath* ]]; then
 665                 CFLAGS="$CFLAGS -mfpmath=sse -msse -msse2"
 666             fi
 667             CFLAGS="-m32 $CFLAGS"
 668             LDFLAGS="-m32 $LDFLAGS"
 669         fi
 670         if [ "$SYS" = MACOSX ]; then
 671             ASFLAGS="$ASFLAGS -f macho32 -DPREFIX"
 672         elif [ "$SYS" = WINDOWS -o "$SYS" = CYGWIN ]; then
 673             ASFLAGS="$ASFLAGS -f win32 -DPREFIX"
 674             LDFLAGS="$LDFLAGS -Wl,--large-address-aware"
 675             [ $compiler = GNU ] && LDFLAGS="$LDFLAGS -Wl,--dynamicbase,--nxcompat,--tsaware"
 676             [ $compiler = GNU ] && RCFLAGS="--target=pe-i386 $RCFLAGS"
 677         else
 678             ASFLAGS="$ASFLAGS -f elf32"
 679         fi
 680         ;;
 681     x86_64)
 682         ARCH="X86_64"
 683         AS="${AS-yasm}"
 684         AS_EXT=".asm"
 685         ASFLAGS="$ASFLAGS -DARCH_X86_64=1 -I\$(SRCPATH)/common/x86/"
 686         stack_alignment=16
 687         [ $compiler = GNU ] && CFLAGS="-m64 $CFLAGS" && LDFLAGS="-m64 $LDFLAGS"
 688         if [ "$SYS" = MACOSX ]; then
 689             ASFLAGS="$ASFLAGS -f macho64 -DPIC -DPREFIX"
 690             if cc_check '' "-arch x86_64"; then
 691                 CFLAGS="$CFLAGS -arch x86_64"
 692                 LDFLAGS="$LDFLAGS -arch x86_64"
 693             fi
 694         elif [ "$SYS" = WINDOWS -o "$SYS" = CYGWIN ]; then
 695             ASFLAGS="$ASFLAGS -f win64"
 696             if [ $compiler = GNU ]; then
 697                 # only the GNU toolchain is inconsistent in prefixing function names with _
 698                 cc_check "" "-S" && grep -q "_main:" conftest && ASFLAGS="$ASFLAGS -DPREFIX"
 699                 cc_check "" "-Wl,--high-entropy-va" && LDFLAGS="$LDFLAGS -Wl,--high-entropy-va"
 700                 LDFLAGS="$LDFLAGS -Wl,--dynamicbase,--nxcompat,--tsaware"
 701                 LDFLAGSCLI="$LDFLAGSCLI -Wl,--image-base,0x140000000"
 702                 SOFLAGS="$SOFLAGS -Wl,--image-base,0x180000000"
 703                 RCFLAGS="--target=pe-x86-64 $RCFLAGS"
 704             fi
 705         else
 706             ASFLAGS="$ASFLAGS -f elf64"
 707         fi
 708         ;;
 709     powerpc*)
 710         ARCH="PPC"
 711         if [ $asm = auto ] ; then
 712             define HAVE_ALTIVEC
 713             AS="${AS-${CC}}"
 714             AS_EXT=".c"
 715             if [ $SYS = MACOSX ] ; then
 716                 CFLAGS="$CFLAGS -faltivec -fastf -mcpu=G4"
 717             else
 718                 CFLAGS="$CFLAGS -maltivec -mabi=altivec"
 719                 define HAVE_ALTIVEC_H
 720             fi
 721         fi
 722         ;;
 723     sparc)
 724         ARCH="SPARC"
 725         ;;
 726     mips*)
 727         ARCH="MIPS"
 728         AS="${AS-${CC}}"
 729         AS_EXT=".c"
 730         ;;
 731     arm*)
 732         ARCH="ARM"
 733         if [ "$SYS" = MACOSX ] ; then
 734             AS="${AS-${SRCPATH}/tools/gas-preprocessor.pl -arch arm -- ${CC}}"
 735             ASFLAGS="$ASFLAGS -DPREFIX -DPIC"  # apple's ld doesn't support movw/movt relocations at all
 736             # build for armv7 by default
 737             if ! echo $CFLAGS | grep -Eq '\-arch' ; then
 738                 CFLAGS="$CFLAGS -arch armv7"
 739                 LDFLAGS="$LDFLAGS -arch armv7"
 740             fi
 741         else
 742             AS="${AS-${CC}}"
 743         fi
 744         ;;
 745     aarch64)
 746         ARCH="AARCH64"
 747         stack_alignment=16
 748         if [ "$SYS" = MACOSX ] ; then
 749             AS="${AS-${SRCPATH}/tools/gas-preprocessor.pl -arch aarch64 -- ${CC}}"
 750             ASFLAGS="$ASFLAGS -DPREFIX"
 751         else
 752             AS="${AS-${CC}}"
 753         fi
 754         ;;
 755     s390|s390x)
 756         ARCH="S390"
 757         ;;
 758     hppa*|parisc*)
 759         ARCH="PARISC"
 760         ;;
 761     ia64)
 762         ARCH="IA64"
 763         ;;
 764     alpha*)
 765         ARCH="ALPHA"
 766         ;;
 767     *)
 768         ARCH="$(echo $host_cpu | tr a-z A-Z)"
 769         ;;
 770 esac
 771
 772 if [ $SYS = WINDOWS ]; then
 773     if ! rc_check "0 RCDATA {0}" ; then
 774         RC=""
 775     fi
 776
 777     if cpp_check "winapifamily.h" "" "!WINAPI_FAMILY_PARTITION(WINAPI_PARTITION_DESKTOP)" ; then
 778         [ $compiler = CL ] || die "WinRT requires MSVC"
 779         define HAVE_WINRT
 780         CFLAGS="$CFLAGS -MD"
 781         LDFLAGS="$LDFLAGS -appcontainer"
 782         if ! cpp_check "" "" "defined(_WIN32_WINNT) && _WIN32_WINNT >= 0x0603" ; then
 783             die "_WIN32_WINNT must be defined to at least 0x0603 (Windows 8.1) for WinRT"
 784         elif cpp_check "" "" "_WIN32_WINNT >= 0x0A00" ; then
 785             # Universal Windows Platform (Windows 10)
 786             LDFLAGS="$LDFLAGS -lWindowsApp"
 787         fi
 788         cli="no"
 789         opencl="no"
 790     fi
 791 fi
 792
 793 log_msg "x264 configure script"
 794 if [ -n "$*" ]; then
 795     msg="Command line options:"
 796     for i in $@; do
 797         msg="$msg \"$i\""
 798     done
 799     log_msg "$msg"
 800 fi
 801 log_msg ""
 802
 803 # check requirements
 804
 805 cc_check || die "No working C compiler found."
 806
 807 if [ $compiler_style = GNU ]; then
 808     if cc_check '' -std=gnu99 'for( int i = 0; i < 9; i++ );' ; then
 809         CFLAGS="$CFLAGS -std=gnu99"
 810     elif cc_check '' -std=c99 'for( int i = 0; i < 9; i++ );' ; then
 811         CFLAGS="$CFLAGS -std=c99 -D_POSIX_C_SOURCE=200112L -D_BSD_SOURCE"
 812     elif ! cc_check '' '' 'for( int i = 0; i < 9; i++ );' ; then
 813         die "C99 compiler is needed for compilation."
 814     fi
 815 fi
 816
 817 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
 818     pic="yes"
 819 fi
 820
 821 if [ $compiler = GNU -a \( $ARCH = X86 -o $ARCH = X86_64 \) ] ; then
 822     if cc_check '' -mpreferred-stack-boundary=5 ; then
 823         CFLAGS="$CFLAGS -mpreferred-stack-boundary=5"
 824         stack_alignment=32
 825     elif [ $stack_alignment -lt 16 ] && cc_check '' -mpreferred-stack-boundary=4 ; then
 826         CFLAGS="$CFLAGS -mpreferred-stack-boundary=4"
 827         stack_alignment=16
 828     fi
 829 elif [ $compiler = ICC -a $ARCH = X86 ]; then
 830     # icc on linux has various degrees of mod16 stack support
 831     if [ $SYS = LINUX ]; then
 832         # >= 12 defaults to a mod16 stack
 833         if cpp_check "" "" "__INTEL_COMPILER >= 1200" ; then
 834             stack_alignment=16
 835         # 11 <= x < 12 is capable of keeping a mod16 stack, but defaults to not doing so.
 836         elif cpp_check "" "" "__INTEL_COMPILER >= 1100" ; then
 837             CFLAGS="$CFLAGS -falign-stack=assume-16-byte"
 838             stack_alignment=16
 839         fi
 840         # < 11 is completely incapable of keeping a mod16 stack
 841     fi
 842 fi
 843
 844 if [ $asm = auto -a \( $ARCH = X86 -o $ARCH = X86_64 \) ] ; then
 845     if ! as_check "vpmovzxwd ymm0, xmm0" ; then
 846         VER=`($AS --version || echo no assembler) 2>/dev/null | head -n 1`
 847         echo "Found $VER"
 848         echo "Minimum version is yasm-1.2.0"
 849         echo "If you really want to compile without asm, configure with --disable-asm."
 850         exit 1
 851     fi
 852     cc_check '' '' '__asm__("pabsw %xmm0, %xmm0");' && define HAVE_X86_INLINE_ASM
 853     ASFLAGS="$ASFLAGS -Worphan-labels"
 854     define HAVE_MMX
 855 fi
 856
 857 if [ $asm = auto -a $ARCH = ARM ] ; then
 858     # set flags so neon is built by default
 859     echo $CFLAGS | grep -Eq '(-mcpu|-march|-mfpu)' || CFLAGS="$CFLAGS -mcpu=cortex-a8 -mfpu=neon"
 860
 861     if  cc_check '' '' '__asm__("rev ip, ip");' ; then      define HAVE_ARMV6
 862         cc_check '' '' '__asm__("movt r0, #0");'         && define HAVE_ARMV6T2
 863         cc_check '' '' '__asm__("vadd.i16 q0, q0, q0");' && define HAVE_NEON
 864         ASFLAGS="$ASFLAGS -c"
 865     else
 866         echo "You specified a pre-ARMv6 or Thumb-1 CPU in your CFLAGS."
 867         echo "If you really want to run on such a CPU, configure with --disable-asm."
 868         exit 1
 869     fi
 870 fi
 871
 872 if [ $asm = auto -a $ARCH = AARCH64 ] ; then
 873     if  cc_check '' '' '__asm__("cmeq v0.8h, v0.8h, #0");' ; then define HAVE_NEON
 874         ASFLAGS="$ASFLAGS -c"
 875     else
 876         echo "no NEON support, try adding -mfpu=neon to CFLAGS"
 877         echo "If you really want to run on such a CPU, configure with --disable-asm."
 878         exit 1
 879     fi
 880 fi
 881
 882 if [ $asm = auto -a \( $ARCH = ARM -o $ARCH = AARCH64 \) ] ; then
 883     # check if the assembler supports '.func' (clang 3.5 does not)
 884     as_check ".func test${NL}.endfunc" && define HAVE_AS_FUNC 1
 885 fi
 886
 887 if [ $asm = auto -a $ARCH = MIPS ] ; then
 888     if ! echo $CFLAGS | grep -Eq '(-march|-mmsa|-mno-msa)' ; then
 889         cc_check '' '-mmsa -mfp64 -mhard-float' && CFLAGS="-mmsa -mfp64 -mhard-float $CFLAGS"
 890     fi
 891
 892     if cc_check '' '' '__asm__("addvi.b $w0, $w1, 1");' ; then
 893         define HAVE_MSA
 894     else
 895         echo "You specified a pre-MSA CPU in your CFLAGS."
 896         echo "If you really want to run on such a CPU, configure with --disable-asm."
 897         exit 1
 898     fi
 899 fi
 900
 901 [ $asm = no ] && AS=""
 902 [ "x$AS" = x ] && asm="no" || asm="yes"
 903
 904 define ARCH_$ARCH
 905 define SYS_$SYS
 906
 907 define STACK_ALIGNMENT $stack_alignment
 908 ASFLAGS="$ASFLAGS -DSTACK_ALIGNMENT=$stack_alignment"
 909
 910 # 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
 911 CPU_ENDIAN="little-endian"
 912 if [ $compiler = GNU ]; then
 913     echo "int i[2] = {0x42494745,0}; double f[2] = {0x1.0656e6469616ep+102,0};" > conftest.c
 914     $CC $CFLAGS conftest.c -c -o conftest.o 2>/dev/null || die "endian test failed"
 915     if (${cross_prefix}strings -a conftest.o | grep -q BIGE) && (${cross_prefix}strings -a conftest.o | grep -q FPendian) ; then
 916         define WORDS_BIGENDIAN
 917         CPU_ENDIAN="big-endian"
 918     elif !(${cross_prefix}strings -a conftest.o | grep -q EGIB && ${cross_prefix}strings -a conftest.o | grep -q naidnePF) ; then
 919         die "endian test failed"
 920     fi
 921 fi
 922
 923 if [ "$cli_libx264" = "system" -a "$shared" != "yes" ] ; then
 924     [ "$static" = "yes" ] && die "Option --system-libx264 can not be used together with --enable-static"
 925     if ${cross_prefix}pkg-config --exists x264 2>/dev/null; then
 926         X264_LIBS="$(${cross_prefix}pkg-config --libs x264)"
 927         X264_INCLUDE_DIR="${X264_INCLUDE_DIR-$(${cross_prefix}pkg-config --variable=includedir x264)}"
 928         configure_system_override "$X264_INCLUDE_DIR" || die "Detection of system libx264 configuration failed"
 929     else
 930         die "Can not find system libx264"
 931     fi
 932 fi
 933
 934 # autodetect options that weren't forced nor disabled
 935
 936 libpthread=""
 937 if [ "$SYS" = "WINDOWS" -a "$thread" = "posix" ] ; then
 938     if [ "$gpl" = "no" ] ; then
 939         echo "Warning: pthread-win32 is LGPL and is therefore not supported with --disable-gpl"
 940         thread="no"
 941     elif cc_check pthread.h -lpthread "pthread_create(0,0,0,0);" ; then
 942         libpthread="-lpthread"
 943     elif cc_check pthread.h -lpthreadGC2 "pthread_create(0,0,0,0);" ; then
 944         libpthread="-lpthreadGC2"
 945     elif cc_check pthread.h "-lpthreadGC2 -lwsock32 -DPTW32_STATIC_LIB" "pthread_create(0,0,0,0);" ; then
 946         libpthread="-lpthreadGC2 -lwsock32"
 947         define PTW32_STATIC_LIB
 948     elif cc_check pthread.h "-lpthreadGC2 -lws2_32 -DPTW32_STATIC_LIB" "pthread_create(0,0,0,0);" ; then
 949         libpthread="-lpthreadGC2 -lws2_32"
 950         define PTW32_STATIC_LIB
 951     else
 952         thread="no"
 953     fi
 954 elif [ "$thread" != "no" ] ; then
 955     thread="no"
 956     case $SYS in
 957         BEOS)
 958             thread="beos"
 959             define HAVE_BEOSTHREAD
 960             ;;
 961         WINDOWS)
 962             thread="win32"
 963             define HAVE_WIN32THREAD
 964             ;;
 965         QNX)
 966             cc_check pthread.h -lc "pthread_create(0,0,0,0);" && thread="posix" && libpthread="-lc"
 967             ;;
 968         *)
 969             if cc_check pthread.h -lpthread "pthread_create(0,0,0,0);" ; then
 970                thread="posix"
 971                libpthread="-lpthread"
 972             else
 973                 cc_check pthread.h "" "pthread_create(0,0,0,0);" && thread="posix" && libpthread=""
 974             fi
 975             ;;
 976     esac
 977 fi
 978 if [ "$thread" = "posix" ]; then
 979     LDFLAGS="$LDFLAGS $libpthread"
 980     define HAVE_POSIXTHREAD
 981     if [ "$SYS" = "LINUX" ] && cc_check sched.h "-D_GNU_SOURCE -Werror" "cpu_set_t p_aff; return CPU_COUNT(&p_aff);" ; then
 982         define HAVE_CPU_COUNT
 983     fi
 984 fi
 985 [ "$thread" != "no" ] && define HAVE_THREAD
 986
 987 if cc_check "math.h" "-Werror" "return log2f(2);" ; then
 988     define HAVE_LOG2F
 989 fi
 990
 991 if [ "$SYS" != "WINDOWS" ] && cpp_check "sys/mman.h unistd.h" "" "defined(MAP_PRIVATE)"; then
 992     define HAVE_MMAP
 993 fi
 994
 995 if [ "$SYS" = "LINUX" -a \( "$ARCH" = "X86" -o "$ARCH" = "X86_64" \) ] && cc_check "sys/mman.h" "" "MADV_HUGEPAGE;" ; then
 996     define HAVE_THP
 997 fi
 998
 999 if [ "$cli" = "no" ] ; then
1000     avs="no"
1001     lavf="no"
1002     ffms="no"
1003     gpac="no"
1004     lsmash="no"
1005     mp4="no"
1006     swscale="no"
1007 fi
1008
1009 if [ "$swscale" = "auto" ] ; then
1010     swscale="no"
1011     if ${cross_prefix}pkg-config --exists libswscale 2>/dev/null; then
1012         SWSCALE_LIBS="$SWSCALE_LIBS $(${cross_prefix}pkg-config --libs libswscale libavutil)"
1013         SWSCALE_CFLAGS="$SWSCALE_CFLAGS $(${cross_prefix}pkg-config --cflags libswscale libavutil)"
1014     fi
1015     [ -z "$SWSCALE_LIBS" ] && SWSCALE_LIBS="-lswscale -lavutil"
1016
1017     if cc_check "libswscale/swscale.h" "$SWSCALE_CFLAGS $SWSCALE_LIBS" "sws_init_context(0,0,0);" ; then
1018         if cpp_check "libavutil/pixdesc.h" "$SWSCALE_CFLAGS $SWSCALE_LIBS" "defined(AV_PIX_FMT_FLAG_RGB)" ; then
1019             swscale="yes"
1020         else
1021             echo "Warning: AV_PIX_FMT_FLAG_RGB is missing from libavutil, update for swscale support"
1022         fi
1023     fi
1024 fi
1025
1026 if [ "$lavf" = "auto" ] ; then
1027     lavf="no"
1028     if ${cross_prefix}pkg-config --exists libavformat libavcodec libswscale 2>/dev/null; then
1029         LAVF_LIBS="$LAVF_LIBS $(${cross_prefix}pkg-config --libs libavformat libavcodec libavutil libswscale)"
1030         LAVF_CFLAGS="$LAVF_CFLAGS $(${cross_prefix}pkg-config --cflags libavformat libavcodec libavutil libswscale)"
1031     fi
1032     if [ -z "$LAVF_LIBS" -a -z "$LAVF_CFLAGS" ]; then
1033         LAVF_LIBS="-lavformat"
1034         for lib in -lpostproc -lavcodec -lswscale -lavutil -lm -lz -lbz2 $libpthread -lavifil32 -lws2_32; do
1035             cc_check "" $lib && LAVF_LIBS="$LAVF_LIBS $lib"
1036         done
1037     fi
1038     LAVF_LIBS="-L. $LAVF_LIBS"
1039     if cc_check libavformat/avformat.h "$LAVF_CFLAGS $LAVF_LIBS" "av_frame_free(0);" ; then
1040         if [ "$swscale" = "yes" ]; then
1041             lavf="yes"
1042         else
1043             echo "Warning: libavformat is not supported without swscale support"
1044         fi
1045     fi
1046 fi
1047
1048 if [ "$ffms" = "auto" ] ; then
1049     ffms_major="2"; ffms_minor="16"; ffms_micro="2"; ffms_bump="0"
1050     ffms="no"
1051
1052     if ${cross_prefix}pkg-config --exists ffms2 2>/dev/null; then
1053         FFMS2_LIBS="$FFMS2_LIBS $(${cross_prefix}pkg-config --libs ffms2)"
1054         FFMS2_CFLAGS="$FFMS2_CFLAGS $(${cross_prefix}pkg-config --cflags ffms2)"
1055     fi
1056     [ -z "$FFMS2_LIBS" ] && FFMS2_LIBS="-lffms2"
1057
1058     if cc_check ffms.h "$FFMS2_CFLAGS $FFMS2_LIBS" "FFMS_DestroyVideoSource(0);" ; then
1059         ffms="yes"
1060     elif cc_check ffms.h "$FFMS2_CFLAGS $FFMS2_LIBS -lstdc++ $LAVF_LIBS" "FFMS_DestroyVideoSource(0);" ; then
1061         ffms="yes"
1062         FFMS2_LIBS="$FFMS2_LIBS -lstdc++ $LAVF_LIBS"
1063     fi
1064
1065     error="ffms must be at least version $ffms_major.$ffms_minor.$ffms_micro.$ffms_bump"
1066     if [ $ffms = "yes" ] && ! cpp_check "ffms.h" "$FFMS2_CFLAGS" "FFMS_VERSION >= (($ffms_major << 24) | ($ffms_minor << 16) | ($ffms_micro << 8) | $ffms_bump)" "$error"; then
1067        ffms="no"
1068        echo "Warning: $error"
1069     fi
1070     if [ "$ffms" = "yes" -a "$swscale" = "no" ]; then
1071         echo "Warning: ffms is not supported without swscale support"
1072         ffms="no"
1073     fi
1074 fi
1075
1076 if [ "$swscale" = "yes" ]; then
1077     LDFLAGSCLI="$SWSCALE_LIBS $LDFLAGSCLI"
1078     CFLAGS="$CFLAGS $SWSCALE_CFLAGS"
1079     define HAVE_SWSCALE
1080     if [ "$lavf" = "yes" ]; then
1081         LDFLAGSCLI="$LAVF_LIBS $LDFLAGSCLI"
1082         CFLAGS="$CFLAGS $LAVF_CFLAGS"
1083         define HAVE_LAVF
1084     fi
1085     if [ "$ffms" = "yes" ]; then
1086         LDFLAGSCLI="$FFMS2_LIBS $LDFLAGSCLI"
1087         CFLAGS="$CFLAGS $FFMS2_CFLAGS"
1088         define HAVE_FFMS
1089     fi
1090 fi
1091
1092 if [ "$lsmash" = "auto" ] ; then
1093     lsmash="no"
1094     if ${cross_prefix}pkg-config --exists liblsmash 2>/dev/null; then
1095         LSMASH_LIBS="$LSMASH_LIBS $(${cross_prefix}pkg-config --libs liblsmash)"
1096         LSMASH_CFLAGS="$LSMASH_CFLAGS $(${cross_prefix}pkg-config --cflags liblsmash)"
1097     fi
1098     [ -z "$LSMASH_LIBS" ] && LSMASH_LIBS="-llsmash"
1099
1100     if cc_check lsmash.h "$LSMASH_CFLAGS $LSMASH_LIBS" ; then
1101         if cpp_check lsmash.h "$LSMASH_CFLAGS" "LSMASH_VERSION_MAJOR > 1 || (LSMASH_VERSION_MAJOR == 1 && LSMASH_VERSION_MINOR >= 5)" ; then
1102             lsmash="yes"
1103         else
1104             echo "Warning: lsmash is too old, update to rev.895 or later"
1105         fi
1106     fi
1107 fi
1108
1109 if [ "$gpac" = "auto" -a "$lsmash" != "yes" ] ; then
1110     gpac="no"
1111     GPAC_LIBS="-lgpac_static"
1112     cc_check "" -lz && GPAC_LIBS="$GPAC_LIBS -lz"
1113     if [ "$SYS" = "WINDOWS" ] ; then
1114         cc_check "" -lws2_32 && GPAC_LIBS="$GPAC_LIBS -lws2_32"
1115         cc_check "" -lwinmm && GPAC_LIBS="$GPAC_LIBS -lwinmm"
1116     fi
1117     if cc_check gpac/isomedia.h "$GPAC_LIBS" ; then
1118         if cc_check gpac/isomedia.h "$GPAC_LIBS" "gf_isom_set_pixel_aspect_ratio(0,0,0,0,0);" ; then
1119             gpac="yes"
1120         else
1121             echo "Warning: gpac is too old, update to 2007-06-21 UTC or later"
1122         fi
1123     fi
1124 fi
1125
1126 if [ "$lsmash" = "yes" ] ; then
1127     mp4="lsmash"
1128     LDFLAGSCLI="$LSMASH_LIBS $LDFLAGSCLI"
1129     CFLAGS="$CFLAGS $LSMASH_CFLAGS"
1130     define HAVE_LSMASH
1131 elif [ "$gpac" = "yes" ] ; then
1132     mp4="gpac"
1133     define HAVE_GPAC
1134     LDFLAGSCLI="$GPAC_LIBS $LDFLAGSCLI"
1135 fi
1136
1137 if [ "$avs" = "auto" ] ; then
1138     avs="no"
1139     # cygwin can use avisynth if it can use LoadLibrary
1140     if [ $SYS = WINDOWS ] || ([ $SYS = CYGWIN ] && cc_check windows.h "" "LoadLibraryW(0);") ; then
1141         avs="avisynth"
1142         define HAVE_AVS
1143         define USE_AVXSYNTH 0
1144     elif [ "$SYS" = "LINUX" -o "$SYS" = "MACOSX" ] ; then
1145     # AvxSynth currently only supports Linux and OSX
1146         avs="avxsynth"
1147         define HAVE_AVS
1148         define USE_AVXSYNTH 1
1149         AVS_LIBS="-ldl"
1150         LDFLAGSCLI="$AVS_LIBS $LDFLAGSCLI"
1151     fi
1152 fi
1153
1154 cc_check "stdint.h" "" "uint32_t test_vec __attribute__ ((vector_size (16))) = {0,1,2,3};" && define HAVE_VECTOREXT
1155
1156 if [ "$pic" = "yes" ] ; then
1157     [ "$SYS" != WINDOWS -a "$SYS" != CYGWIN ] && CFLAGS="$CFLAGS -fPIC"
1158     ASFLAGS="$ASFLAGS -DPIC"
1159     # resolve textrels in the x86 asm
1160     cc_check stdio.h "-shared -Wl,-Bsymbolic" && SOFLAGS="$SOFLAGS -Wl,-Bsymbolic"
1161     [ $SYS = SunOS -a "$ARCH" = "X86" ] && SOFLAGS="$SOFLAGS -mimpure-text"
1162 fi
1163
1164 if [ "$debug" != "yes" -a "$gprof" != "yes" ]; then
1165     CFLAGS="$CFLAGS -fomit-frame-pointer"
1166 fi
1167
1168 if [ "$strip" = "yes" ]; then
1169     LDFLAGS="$LDFLAGS -s"
1170 fi
1171
1172 if [ "$debug" = "yes" ]; then
1173     CFLAGS="-O1 -g $CFLAGS"
1174 else
1175     CFLAGS="-O3 -ffast-math $CFLAGS"
1176 fi
1177
1178 if cc_check '' -fno-tree-vectorize ; then
1179     CFLAGS="$CFLAGS -fno-tree-vectorize"
1180 fi
1181
1182 if [ $SYS = WINDOWS -a $ARCH = X86 -a $compiler = GNU ] ; then
1183     # workaround gcc/ld bug with alignment of static variables/arrays that are initialized to zero
1184     cc_check '' -fno-zero-initialized-in-bss && CFLAGS="$CFLAGS -fno-zero-initialized-in-bss"
1185 fi
1186
1187 if cc_check "stdio.h" "" "fseeko(stdin,0,0);" ; then
1188     define fseek fseeko
1189     define ftell ftello
1190 elif cc_check "stdio.h" "" "fseeko64(stdin,0,0);" ; then
1191     define fseek fseeko64
1192     define ftell ftello64
1193 elif cc_check "stdio.h" "" "_fseeki64(stdin,0,0);" ; then
1194     define fseek _fseeki64
1195     define ftell _ftelli64
1196 fi
1197
1198 if cc_check '' -Wshadow ; then
1199     CFLAGS="-Wshadow $CFLAGS"
1200 fi
1201
1202 if cc_check '' -Wmaybe-uninitialized ; then
1203     CFLAGS="-Wno-maybe-uninitialized $CFLAGS"
1204 fi
1205
1206 if [ $compiler = ICC -o $compiler = ICL ] ; then
1207     if cc_check 'extras/intel_dispatcher.h' '' 'x264_intel_dispatcher_override();' ; then
1208         define HAVE_INTEL_DISPATCHER
1209     fi
1210 fi
1211
1212 if [ "$bit_depth" -gt "8" ]; then
1213     define HIGH_BIT_DEPTH
1214     ASFLAGS="$ASFLAGS -DHIGH_BIT_DEPTH=1"
1215     opencl="no"
1216 else
1217     ASFLAGS="$ASFLAGS -DHIGH_BIT_DEPTH=0"
1218 fi
1219
1220 if [ "$chroma_format" != "all" ]; then
1221     define CHROMA_FORMAT CHROMA_$chroma_format
1222 fi
1223
1224 ASFLAGS="$ASFLAGS -DBIT_DEPTH=$bit_depth"
1225
1226 [ $gpl = yes ] && define HAVE_GPL && x264_gpl=1 || x264_gpl=0
1227
1228 [ $interlaced = yes ] && define HAVE_INTERLACED && x264_interlaced=1 || x264_interlaced=0
1229
1230 libdl=""
1231 if [ "$opencl" = "yes" ]; then
1232     opencl="no"
1233     # cygwin can use opencl if it can use LoadLibrary
1234     if [ $SYS = WINDOWS ] || ([ $SYS = CYGWIN ] && cc_check windows.h "" "LoadLibraryW(0);") ; then
1235         opencl="yes"
1236         define HAVE_OPENCL
1237     elif [ "$SYS" = "LINUX" -o "$SYS" = "MACOSX" ] ; then
1238         opencl="yes"
1239         define HAVE_OPENCL
1240         libdl="-ldl"
1241     fi
1242     LDFLAGS="$LDFLAGS $libdl"
1243 fi
1244
1245 #define undefined vars as 0
1246 for var in $CONFIG_HAVE; do
1247     grep -q "HAVE_$var 1" config.h || define HAVE_$var 0
1248 done
1249
1250 # generate exported config file
1251
1252 config_chroma_format="X264_CSP_I$chroma_format"
1253 [ "$config_chroma_format" == "X264_CSP_Iall" ] && config_chroma_format="0"
1254 cat > x264_config.h << EOF
1255 #define X264_BIT_DEPTH     $bit_depth
1256 #define X264_GPL           $x264_gpl
1257 #define X264_INTERLACED    $x264_interlaced
1258 #define X264_CHROMA_FORMAT $config_chroma_format
1259 EOF
1260
1261 ${SRCPATH}/version.sh >> x264_config.h
1262
1263 if [ "$cli_libx264" = "system" ] ; then
1264     if [ "$shared" = "yes" ]; then
1265         CLI_LIBX264='$(SONAME)'
1266     else
1267         CLI_LIBX264=
1268         LDFLAGSCLI="$X264_LIBS $LDFLAGSCLI"
1269         cc_check 'stdint.h x264.h' '' 'x264_encoder_open(0);' || die "System libx264 can't be used for compilation of this version"
1270     fi
1271 else
1272     CLI_LIBX264='$(LIBX264)'
1273 fi
1274
1275 DEPMM="${QPRE}MM"
1276 DEPMT="${QPRE}MT"
1277 if [ $compiler_style = MS ]; then
1278     AR="lib -nologo -out:"
1279     LD="link -out:"
1280     if [ $compiler = ICL ]; then
1281         AR="xi$AR"
1282         LD="xi$LD"
1283     else
1284         mslink="$(dirname "$(command -v cl 2>/dev/null)")/link"
1285         [ -x "$mslink" ] && LD="\"$mslink\" -out:"
1286     fi
1287     HAVE_GETOPT_LONG=0
1288     LDFLAGS="-nologo -incremental:no $(cl_ldflags $LDFLAGS)"
1289     LDFLAGSCLI="$(cl_ldflags $LDFLAGSCLI)"
1290     LIBX264=libx264.lib
1291     RANLIB=
1292     [ -n "$RC" ] && RCFLAGS="$RCFLAGS -nologo -I. -I\$(SRCPATH)/extras -fo"
1293     STRIP=
1294     if [ $debug = yes ]; then
1295         LDFLAGS="-debug $LDFLAGS"
1296         CFLAGS="-D_DEBUG $CFLAGS"
1297     else
1298         CFLAGS="-DNDEBUG $CFLAGS"
1299     fi
1300 else # gcc/icc
1301     DEPMM="$DEPMM -g0"
1302     AR="$AR rc "
1303     LD="$CC -o "
1304     LIBX264=libx264.a
1305     [ -n "$RC" ] && RCFLAGS="$RCFLAGS -I. -o "
1306 fi
1307 [ $compiler != GNU ] && CFLAGS="$(cc_cflags $CFLAGS)"
1308 if [ $compiler = ICC -o $compiler = ICL ]; then
1309     # icc does not define __SSE__ until SSE2 optimization and icl never defines it or _M_IX86_FP
1310     [ \( $ARCH = X86_64 -o $ARCH = X86 \) -a $asm = yes ] && ! cpp_check "" "" "defined(__SSE__)" && define __SSE__
1311     PROF_GEN_CC="${QPRE}prof-gen ${QPRE}prof-dir."
1312     PROF_GEN_LD=
1313     PROF_USE_CC="${QPRE}prof-use ${QPRE}prof-dir."
1314     PROF_USE_LD=
1315 elif [ $compiler = CL ]; then
1316     # Visual Studio
1317     # _M_IX86_FP is only defined on x86
1318     [ $ARCH = X86 ] && cpp_check '' '' '_M_IX86_FP >= 1' && define __SSE__
1319     [ $ARCH = X86_64 ] && define __SSE__
1320     # As long as the cli application can't link against the dll, the dll can not be pgo'd.
1321     # pgds are link flag specific and the -dll flag for creating the dll makes it unshareable with the cli
1322     PROF_GEN_CC="-GL"
1323     PROF_GEN_LD="-LTCG:PGINSTRUMENT"
1324     PROF_USE_CC="-GL"
1325     PROF_USE_LD="-LTCG:PGOPTIMIZE"
1326 else
1327     PROF_GEN_CC="-fprofile-generate"
1328     PROF_GEN_LD="-fprofile-generate"
1329     PROF_USE_CC="-fprofile-use"
1330     PROF_USE_LD="-fprofile-use"
1331 fi
1332
1333 # generate config files
1334
1335 cat > config.mak << EOF
1336 SRCPATH=$SRCPATH
1337 prefix=$prefix
1338 exec_prefix=$exec_prefix
1339 bindir=$bindir
1340 libdir=$libdir
1341 includedir=$includedir
1342 SYS_ARCH=$ARCH
1343 SYS=$SYS
1344 CC=$CC
1345 CFLAGS=$CFLAGS
1346 COMPILER=$compiler
1347 COMPILER_STYLE=$compiler_style
1348 DEPMM=$DEPMM
1349 DEPMT=$DEPMT
1350 LD=$LD
1351 LDFLAGS=$LDFLAGS
1352 LIBX264=$LIBX264
1353 AR=$AR
1354 RANLIB=$RANLIB
1355 STRIP=$STRIP
1356 INSTALL=$INSTALL
1357 AS=$AS
1358 ASFLAGS=$ASFLAGS
1359 RC=$RC
1360 RCFLAGS=$RCFLAGS
1361 EXE=$EXE
1362 HAVE_GETOPT_LONG=$HAVE_GETOPT_LONG
1363 DEVNULL=$DEVNULL
1364 PROF_GEN_CC=$PROF_GEN_CC
1365 PROF_GEN_LD=$PROF_GEN_LD
1366 PROF_USE_CC=$PROF_USE_CC
1367 PROF_USE_LD=$PROF_USE_LD
1368 HAVE_OPENCL=$opencl
1369 EOF
1370
1371 if [ $compiler_style = MS ]; then
1372     echo '%.o: %.c' >> config.mak
1373     echo '      $(CC) $(CFLAGS) -c -Fo$@ $<' >> config.mak
1374 fi
1375
1376 if [ "$cli" = "yes" ]; then
1377     echo 'default: cli' >> config.mak
1378     echo 'install: install-cli' >> config.mak
1379 fi
1380
1381 if [ "$shared" = "yes" ]; then
1382     API=$(grep '#define X264_BUILD' < ${SRCPATH}/x264.h | cut -f 3 -d ' ')
1383     if [ "$SYS" = "WINDOWS" -o "$SYS" = "CYGWIN" ]; then
1384         echo "SONAME=libx264-$API.dll" >> config.mak
1385         if [ $compiler_style = MS ]; then
1386             echo 'IMPLIBNAME=libx264.dll.lib' >> config.mak
1387             # GNU ld on windows defaults to exporting all global functions if there are no explicit __declspec(dllexport) declarations
1388             # 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
1389             echo "SOFLAGS=-dll -def:x264.def -implib:\$(IMPLIBNAME) $SOFLAGS" >> config.mak
1390             echo "EXPORTS" > x264.def
1391             # export API functions
1392             grep "^\(int\|void\|x264_t\).*x264" ${SRCPATH}/x264.h | sed -e "s/.*\(x264.*\)(.*/\1/;s/open/open_$API/g" >> x264.def
1393             # export API variables/data. must be flagged with the DATA keyword
1394             grep "extern.*x264" ${SRCPATH}/x264.h | sed -e "s/.*\(x264\w*\)\W.*/\1 DATA/;" >> x264.def
1395         else
1396             echo 'IMPLIBNAME=libx264.dll.a' >> config.mak
1397             echo "SOFLAGS=-shared -Wl,--out-implib,\$(IMPLIBNAME) $SOFLAGS" >> config.mak
1398         fi
1399     elif [ "$SYS" = "MACOSX" ]; then
1400         echo "SOSUFFIX=dylib" >> config.mak
1401         echo "SONAME=libx264.$API.dylib" >> config.mak
1402         echo "SOFLAGS=-shared -dynamiclib -Wl,-single_module -Wl,-read_only_relocs,suppress -install_name \$(DESTDIR)\$(libdir)/\$(SONAME) $SOFLAGS" >> config.mak
1403     elif [ "$SYS" = "SunOS" ]; then
1404         echo "SOSUFFIX=so" >> config.mak
1405         echo "SONAME=libx264.so.$API" >> config.mak
1406         echo "SOFLAGS=-shared -Wl,-h,\$(SONAME) $SOFLAGS" >> config.mak
1407     else
1408         echo "SOSUFFIX=so" >> config.mak
1409         echo "SONAME=libx264.so.$API" >> config.mak
1410         echo "SOFLAGS=-shared -Wl,-soname,\$(SONAME) $SOFLAGS" >> config.mak
1411     fi
1412     echo 'default: lib-shared' >> config.mak
1413     echo 'install: install-lib-shared' >> config.mak
1414 fi
1415
1416 if [ "$static" = "yes" ]; then
1417     echo 'default: lib-static' >> config.mak
1418     echo 'install: install-lib-static' >> config.mak
1419 fi
1420
1421 echo "LDFLAGSCLI = $LDFLAGSCLI" >> config.mak
1422 echo "CLI_LIBX264 = $CLI_LIBX264" >> config.mak
1423
1424 cat > x264.pc << EOF
1425 prefix=$prefix
1426 exec_prefix=$exec_prefix
1427 libdir=$libdir
1428 includedir=$includedir
1429
1430 Name: x264
1431 Description: H.264 (MPEG4 AVC) encoder library
1432 Version: $(grep POINTVER < x264_config.h | sed -e 's/.* "//; s/".*//')
1433 Libs: -L$libdir -lx264 $([ "$shared" = "yes" ] || echo $libpthread $libm $libdl)
1434 Libs.private: $([ "$shared" = "yes" ] && echo $libpthread $libm $libdl)
1435 Cflags: -I$includedir
1436 EOF
1437
1438 filters="crop select_every"
1439 gpl_filters=""
1440 [ $swscale = yes ] && filters="resize $filters"
1441 [ $gpl = yes ] && filters="$filters $gpl_filters"
1442
1443 cat > conftest.log <<EOF
1444 platform:      $ARCH
1445 byte order:    $CPU_ENDIAN
1446 system:        $SYS
1447 cli:           $cli
1448 libx264:       $cli_libx264
1449 shared:        $shared
1450 static:        $static
1451 asm:           $asm
1452 interlaced:    $interlaced
1453 avs:           $avs
1454 lavf:          $lavf
1455 ffms:          $ffms
1456 mp4:           $mp4
1457 gpl:           $gpl
1458 thread:        $thread
1459 opencl:        $opencl
1460 filters:       $filters
1461 debug:         $debug
1462 gprof:         $gprof
1463 strip:         $strip
1464 PIC:           $pic
1465 bit depth:     $bit_depth
1466 chroma format: $chroma_format
1467 EOF
1468
1469 echo >> config.log
1470 cat conftest.log >> config.log
1471 cat conftest.log
1472
1473 [ "$SRCPATH" != "." ] && ln -sf ${SRCPATH}/Makefile ./Makefile
1474 mkdir -p common/{aarch64,arm,ppc,x86} encoder extras filters/video input output tools
1475
1476 echo
1477 echo "You can run 'make' or 'make fprofiled' now."
1478