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

   1 #!/bin/bash
   2
   3 if test x"$1" = x"-h" -o x"$1" = x"--help" ; then
   4 cat <<EOF
   5 Usage: ./configure [options]
   6
   7 Help:
   8   -h, --help               print this message
   9
  10 Standard options:
  11   --prefix=PREFIX          install architecture-independent files in PREFIX
  12                            [/usr/local]
  13   --exec-prefix=EPREFIX    install architecture-dependent files in EPREFIX
  14                            [PREFIX]
  15   --bindir=DIR             install binaries in DIR [EPREFIX/bin]
  16   --libdir=DIR             install libs in DIR [EPREFIX/lib]
  17   --includedir=DIR         install includes in DIR [PREFIX/include]
  18   --extra-asflags=EASFLAGS add EASFLAGS to ASFLAGS
  19   --extra-cflags=ECFLAGS   add ECFLAGS to CFLAGS
  20   --extra-ldflags=ELDFLAGS add ELDFLAGS to LDFLAGS
  21   --extra-rcflags=ERCFLAGS add ERCFLAGS to RCFLAGS
  22
  23 Configuration options:
  24   --disable-cli            disable cli
  25   --system-libx264         use system libx264 instead of internal
  26   --enable-shared          build shared library
  27   --enable-static          build static library
  28   --disable-opencl         disable OpenCL features
  29   --disable-gpl            disable GPL-only features
  30   --disable-thread         disable multithreaded encoding
  31   --enable-win32thread     use win32threads (windows only)
  32   --disable-interlaced     disable interlaced encoding support
  33   --bit-depth=BIT_DEPTH    set output bit depth (8-10) [8]
  34   --chroma-format=FORMAT   output chroma format (420, 422, 444, all) [all]
  35
  36 Advanced options:
  37   --disable-asm            disable platform-specific assembly optimizations
  38   --enable-debug           add -g
  39   --enable-gprof           add -pg
  40   --enable-strip           add -s
  41   --enable-pic             build position-independent code
  42
  43 Cross-compilation:
  44   --host=HOST              build programs to run on HOST
  45   --cross-prefix=PREFIX    use PREFIX for compilation tools
  46   --sysroot=SYSROOT        root of cross-build tree
  47
  48 External library support:
  49   --disable-avs            disable avisynth support
  50   --disable-swscale        disable swscale support
  51   --disable-lavf           disable libavformat support
  52   --disable-ffms           disable ffmpegsource support
  53   --disable-gpac           disable gpac support
  54   --disable-lsmash         disable lsmash support
  55
  56 EOF
  57 exit 1
  58 fi
  59
  60 log_check() {
  61     echo -n "checking $1... " >> config.log
  62 }
  63
  64 log_ok() {
  65     echo "yes" >> config.log
  66 }
  67
  68 log_fail() {
  69     echo "no" >> config.log
  70 }
  71
  72 log_msg() {
  73     echo "$1" >> config.log
  74 }
  75
  76 cc_cflags() {
  77     # several non gcc compilers issue an incredibly large number of warnings on any warning level,
  78     # suppress them by disabling all warnings rather than having to use #pragmas to disable most of them
  79     for arg in $*; do
  80         [ "$arg" = -ffast-math ] && arg=
  81         [[ "$arg" = -falign-loops* ]] && arg=
  82         [ "$arg" = -fno-tree-vectorize ] && arg=
  83         [ "$arg" = -Wshadow ] && arg=
  84         [ "$arg" = -Wno-maybe-uninitialized ] && arg=
  85         [[ "$arg" = -mpreferred-stack-boundary* ]] && arg=
  86         [[ "$arg" = -l* ]] && arg=
  87         [[ "$arg" = -L* ]] && arg=
  88         if [ $compiler_style = MS ]; then
  89             [ "$arg" = -Wall ] && arg=-W0
  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" = -Wall ] && arg=-w0
  97             [ "$arg" = -Werror ] && arg="-w3 -Werror"
  98         fi
  99         [ $compiler = CL -a "$arg" = -O3 ] && arg=-O2
 100
 101         [ -n "$arg" ] && echo -n "$arg "
 102     done
 103 }
 104
 105 cl_ldflags() {
 106     for arg in $*; do
 107         arg=${arg/LIBPATH/libpath}
 108         [ "${arg#-libpath:}" == "$arg" -a "${arg#-l}" != "$arg" ] && arg=${arg#-l}.lib
 109         [ "${arg#-L}" != "$arg" ] && arg=-libpath:${arg#-L}
 110         [ "$arg" = -Wl,--large-address-aware ] && arg=-largeaddressaware
 111         [ "$arg" = -s ] && arg=
 112         [ "$arg" = -Wl,-Bsymbolic ] && arg=
 113         [ "$arg" = -fno-tree-vectorize ] && arg=
 114         [ "$arg" = -Werror ] && arg=
 115         [ "$arg" = -Wshadow ] && arg=
 116         [ "$arg" = -Wmaybe-uninitialized ] && arg=
 117         [[ "$arg" = -Qdiag-error* ]] && arg=
 118
 119         arg=${arg/pthreadGC/pthreadVC}
 120         [ "$arg" = avifil32.lib ] && arg=vfw32.lib
 121         [ "$arg" = gpac_static.lib ] && arg=libgpac_static.lib
 122         [ "$arg" = x264.lib ] && arg=libx264.lib
 123
 124         [ -n "$arg" ] && echo -n "$arg "
 125     done
 126 }
 127
 128 cc_check() {
 129     if [ -z "$3" ]; then
 130         if [ -z "$1$2" ]; then
 131             log_check "whether $CC works"
 132         elif [ -z "$1" ]; then
 133             log_check "for $2"
 134         else
 135             log_check "for $1"
 136         fi
 137     elif [ -z "$1" ]; then
 138         if [ -z "$2" ]; then
 139             log_check "whether $CC supports $3"
 140         else
 141             log_check "whether $CC supports $3 with $2"
 142         fi
 143     else
 144         log_check "for $3 in $1";
 145     fi
 146     rm -f conftest.c
 147     for arg in $1; do
 148         echo "#include <$arg>" >> conftest.c
 149     done
 150     echo "int main (void) { $3 return 0; }" >> conftest.c
 151     if [ $compiler_style = MS ]; then
 152         cc_cmd="$CC conftest.c $(cc_cflags $CFLAGS $CHECK_CFLAGS $2) -link $(cl_ldflags $2 $LDFLAGSCLI $LDFLAGS)"
 153     else
 154         cc_cmd="$CC conftest.c $CFLAGS $CHECK_CFLAGS $2 $LDFLAGSCLI $LDFLAGS -o conftest"
 155     fi
 156     if $cc_cmd >conftest.log 2>&1; then
 157         res=$?
 158         log_ok
 159     else
 160         res=$?
 161         log_fail
 162         log_msg "Failed commandline was:"
 163         log_msg "--------------------------------------------------"
 164         log_msg "$cc_cmd"
 165         cat conftest.log >> config.log
 166         log_msg "--------------------------------------------------"
 167         log_msg "Failed program was:"
 168         log_msg "--------------------------------------------------"
 169         cat conftest.c >> config.log
 170         log_msg "--------------------------------------------------"
 171     fi
 172     return $res
 173 }
 174
 175 cpp_check() {
 176     log_check "whether $3 is true"
 177     rm -f conftest.c
 178     for arg in $1; do
 179         echo "#include <$arg>" >> conftest.c
 180     done
 181     echo -e "#if !($3) \n#error $4 \n#endif " >> conftest.c
 182     if [ $compiler_style = MS ]; then
 183         cpp_cmd="$CC conftest.c $(cc_cflags $CFLAGS $2) -P"
 184     else
 185         cpp_cmd="$CC conftest.c $CFLAGS $2 -E -o conftest"
 186     fi
 187     if $cpp_cmd >conftest.log 2>&1; then
 188         res=$?
 189         log_ok
 190     else
 191         res=$?
 192         log_fail
 193         log_msg "--------------------------------------------------"
 194         cat conftest.log >> config.log
 195         log_msg "--------------------------------------------------"
 196         log_msg "Failed program was:"
 197         log_msg "--------------------------------------------------"
 198         cat conftest.c >> config.log
 199         log_msg "--------------------------------------------------"
 200     fi
 201     return $res
 202 }
 203
 204 as_check() {
 205     log_check "whether $AS supports $1"
 206     echo "$1" > conftest$AS_EXT
 207     as_cmd="$AS conftest$AS_EXT $ASFLAGS $2 -o conftest.o"
 208     if $as_cmd >conftest.log 2>&1; then
 209         res=$?
 210         log_ok
 211     else
 212         res=$?
 213         log_fail
 214         log_msg "Failed commandline was:"
 215         log_msg "--------------------------------------------------"
 216         log_msg "$as_cmd"
 217         cat conftest.log >> config.log
 218         log_msg "--------------------------------------------------"
 219         log_msg "Failed program was:"
 220         log_msg "--------------------------------------------------"
 221         cat conftest$AS_EXT >> config.log
 222         log_msg "--------------------------------------------------"
 223     fi
 224     return $res
 225 }
 226
 227 rc_check() {
 228     log_check "whether $RC works"
 229     echo "$1" > conftest.rc
 230     if [ $compiler = GNU ]; then
 231         rc_cmd="$RC $RCFLAGS -o conftest.o conftest.rc"
 232     else
 233         rc_cmd="$RC $RCFLAGS -foconftest.o conftest.rc"
 234     fi
 235     if $rc_cmd >conftest.log 2>&1; then
 236         res=$?
 237         log_ok
 238     else
 239         res=$?
 240         log_fail
 241         log_msg "Failed commandline was:"
 242         log_msg "--------------------------------------------------"
 243         log_msg "$rc_cmd"
 244         cat conftest.log >> config.log
 245         log_msg "--------------------------------------------------"
 246         log_msg "Failed program was:"
 247         log_msg "--------------------------------------------------"
 248         cat conftest.rc >> config.log
 249         log_msg "--------------------------------------------------"
 250     fi
 251     return $res
 252 }
 253
 254 define() {
 255     echo "#define $1$([ -n "$2" ] && echo " $2" || echo " 1")" >> config.h
 256 }
 257
 258 die() {
 259     log_msg "DIED: $@"
 260     echo "$@"
 261     exit 1
 262 }
 263
 264 configure_system_override() {
 265     log_check "system libx264 configuration"
 266     x264_config_path="$1/x264_config.h"
 267     if [ -e "$x264_config_path" ]; then
 268         res=$?
 269         log_ok
 270         arg="$(grep '#define X264_GPL ' $x264_config_path | sed -e 's/#define X264_GPL *//; s/ *$//')"
 271         if [ -n "$arg" ]; then
 272             [ "$arg" = 0 ] && arg="no" || arg="yes"
 273             [ "$arg" != "$gpl" ] && die "Incompatible license with system libx264"
 274         fi
 275         arg="$(grep '#define X264_BIT_DEPTH ' $x264_config_path | sed -e 's/#define X264_BIT_DEPTH *//; s/ *$//')"
 276         if [ -n "$arg" ]; then
 277             if [ "$arg" != "$bit_depth" ]; then
 278                 echo "Override output bit depth with system libx264 configuration"
 279                 bit_depth="$arg"
 280             fi
 281         fi
 282         arg="$(grep '#define X264_CHROMA_FORMAT ' $x264_config_path | sed -e 's/#define X264_CHROMA_FORMAT *//; s/ *$//')"
 283         if [ -n "$arg" ]; then
 284             [ "$arg" = 0 ] && arg="all" || arg="${arg#X264_CSP_I}"
 285             if [ "$arg" != "$chroma_format" ]; then
 286                 echo "Override output chroma format with system libx264 configuration"
 287                 chroma_format="$arg"
 288             fi
 289         fi
 290         arg="$(grep '#define X264_INTERLACED ' $x264_config_path | sed -e 's/#define X264_INTERLACED *//; s/ *$//')"
 291         if [ -n "$arg" ]; then
 292             [ "$arg" = 0 ] && arg="no" || arg="yes"
 293             if [ "$arg" != "$interlaced" ]; then
 294                 echo "Override interlaced encoding support with system libx264 configuration"
 295                 interlaced="$arg"
 296             fi
 297         fi
 298     else
 299         res=$?
 300         log_fail
 301         log_msg "Failed search path was: $x264_config_path"
 302     fi
 303     return $res
 304 }
 305
 306 rm -f x264_config.h config.h config.mak config.log x264.pc x264.def conftest*
 307
 308 SRCPATH="$(cd $(dirname $0); pwd)"
 309 [ "$SRCPATH" = "$(pwd)" ] && SRCPATH=.
 310 [ -n "$(echo $SRCPATH | grep ' ')" ] && die "Out of tree builds are impossible with whitespace in source path."
 311 [ -e "$SRCPATH/config.h" -o -e "$SRCPATH/x264_config.h" ] && die "Out of tree builds are impossible with config.h/x264_config.h in source dir."
 312
 313 prefix='/usr/local'
 314 exec_prefix='${prefix}'
 315 bindir='${exec_prefix}/bin'
 316 libdir='${exec_prefix}/lib'
 317 includedir='${prefix}/include'
 318 DEVNULL='/dev/null'
 319
 320 cli="yes"
 321 cli_libx264="internal"
 322 shared="no"
 323 static="no"
 324 avs="auto"
 325 lavf="auto"
 326 ffms="auto"
 327 gpac="auto"
 328 lsmash="auto"
 329 mp4="no"
 330 gpl="yes"
 331 thread="auto"
 332 swscale="auto"
 333 asm="auto"
 334 interlaced="yes"
 335 debug="no"
 336 gprof="no"
 337 strip="no"
 338 pic="no"
 339 bit_depth="8"
 340 chroma_format="all"
 341 compiler="GNU"
 342 compiler_style="GNU"
 343 opencl="yes"
 344
 345 CFLAGS="$CFLAGS -Wall -I. -I\$(SRCPATH)"
 346 LDFLAGS="$LDFLAGS"
 347 LDFLAGSCLI="$LDFLAGSCLI"
 348 ASFLAGS="$ASFLAGS -I. -I\$(SRCPATH)"
 349 RCFLAGS="$RCFLAGS"
 350 CHECK_CFLAGS=""
 351 HAVE_GETOPT_LONG=1
 352 cross_prefix=""
 353
 354 EXE=""
 355 AS_EXT=".S"
 356 NL="
 357 "
 358
 359 # list of all preprocessor HAVE values we can define
 360 CONFIG_HAVE="MALLOC_H ALTIVEC ALTIVEC_H MMX ARMV6 ARMV6T2 NEON BEOSTHREAD POSIXTHREAD WIN32THREAD THREAD LOG2F SWSCALE \
 361              LAVF FFMS GPAC AVS GPL VECTOREXT INTERLACED CPU_COUNT OPENCL THP LSMASH X86_INLINE_ASM AS_FUNC INTEL_DISPATCHER \
 362              MSA"
 363
 364 # parse options
 365
 366 for opt do
 367     optarg="${opt#*=}"
 368     case "$opt" in
 369         --prefix=*)
 370             prefix="$optarg"
 371             ;;
 372         --exec-prefix=*)
 373             exec_prefix="$optarg"
 374             ;;
 375         --bindir=*)
 376             bindir="$optarg"
 377             ;;
 378         --libdir=*)
 379             libdir="$optarg"
 380             ;;
 381         --includedir=*)
 382             includedir="$optarg"
 383             ;;
 384         --disable-cli)
 385             cli="no"
 386             ;;
 387         --system-libx264)
 388             cli_libx264="system"
 389             ;;
 390         --enable-shared)
 391             shared="yes"
 392             ;;
 393         --enable-static)
 394             static="yes"
 395             ;;
 396         --disable-asm)
 397             asm="no"
 398             ;;
 399         --disable-interlaced)
 400             interlaced="no"
 401             ;;
 402         --disable-avs)
 403             avs="no"
 404             ;;
 405         --disable-lavf)
 406             lavf="no"
 407             ;;
 408         --disable-ffms)
 409             ffms="no"
 410             ;;
 411         --disable-gpac)
 412             gpac="no"
 413             ;;
 414         --disable-lsmash)
 415             lsmash="no"
 416             ;;
 417         --disable-gpl)
 418             gpl="no"
 419             ;;
 420         --extra-asflags=*)
 421             ASFLAGS="$ASFLAGS $optarg"
 422             ;;
 423         --extra-cflags=*)
 424             CFLAGS="$CFLAGS $optarg"
 425             ;;
 426         --extra-ldflags=*)
 427             LDFLAGS="$LDFLAGS $optarg"
 428             ;;
 429         --extra-rcflags=*)
 430             RCFLAGS="$RCFLAGS $optarg"
 431             ;;
 432         --disable-thread)
 433             thread="no"
 434             ;;
 435         --enable-win32thread)
 436             thread="win32"
 437             ;;
 438         --disable-swscale)
 439             swscale="no"
 440             ;;
 441         --enable-debug)
 442             debug="yes"
 443             ;;
 444         --enable-gprof)
 445             CFLAGS="$CFLAGS -pg"
 446             LDFLAGS="$LDFLAGS -pg"
 447             gprof="yes"
 448             ;;
 449         --enable-strip)
 450             strip="yes"
 451             ;;
 452         --enable-pic)
 453             pic="yes"
 454             ;;
 455         --host=*)
 456             host="$optarg"
 457             ;;
 458         --disable-opencl)
 459             opencl="no"
 460             ;;
 461         --cross-prefix=*)
 462             cross_prefix="$optarg"
 463             ;;
 464         --sysroot=*)
 465             CFLAGS="$CFLAGS --sysroot=$optarg"
 466             LDFLAGS="$LDFLAGS --sysroot=$optarg"
 467             ;;
 468         --bit-depth=*)
 469             bit_depth="$optarg"
 470             if [ "$bit_depth" -lt "8" -o "$bit_depth" -gt "10" ]; then
 471                 echo "Supplied bit depth must be in range [8,10]."
 472                 exit 1
 473             fi
 474             bit_depth=`expr $bit_depth + 0`
 475             ;;
 476         --chroma-format=*)
 477             chroma_format="$optarg"
 478             if [ $chroma_format != "420" -a $chroma_format != "422" -a $chroma_format != "444" -a $chroma_format != "all" ]; then
 479                 echo "Supplied chroma format must be 420, 422, 444 or all."
 480                 exit 1
 481             fi
 482             ;;
 483         *)
 484             echo "Unknown option $opt, ignored"
 485             ;;
 486     esac
 487 done
 488
 489 [ "$cli" = "no" -a "$shared" = "no" -a "$static" = "no" ] && die "Nothing to build. Enable cli, shared or static."
 490
 491 CC="${CC-${cross_prefix}gcc}"
 492 AR="${AR-${cross_prefix}ar}"
 493 RANLIB="${RANLIB-${cross_prefix}ranlib}"
 494 STRIP="${STRIP-${cross_prefix}strip}"
 495 INSTALL="${INSTALL-install}"
 496
 497 if [ "x$host" = x ]; then
 498     host=`${SRCPATH}/config.guess`
 499 fi
 500 # normalize a triplet into a quadruplet
 501 host=`${SRCPATH}/config.sub $host`
 502
 503 # split $host
 504 host_cpu="${host%%-*}"
 505 host="${host#*-}"
 506 host_vendor="${host%%-*}"
 507 host_os="${host#*-}"
 508
 509 trap 'rm -f conftest*' EXIT
 510
 511 # test for use of compilers that require specific handling
 512 cc_base=`basename "$CC"`
 513 QPRE="-"
 514 if [[ $host_os = mingw* || $host_os = cygwin* ]]; then
 515     if [[ "$cc_base" = icl || "$cc_base" = icl[\ .]* ]]; then
 516         # Windows Intel Compiler creates dependency generation with absolute Windows paths, Cygwin's make does not support Windows paths.
 517         [[ $host_os = cygwin* ]] && die "Windows Intel Compiler support requires MSYS"
 518         compiler=ICL
 519         compiler_style=MS
 520         CFLAGS="$CFLAGS -Qstd=c99 -nologo -Qms0 -DHAVE_STRING_H -I\$(SRCPATH)/extras"
 521         QPRE="-Q"
 522         `$CC 2>&1 | grep -q IA-32` && host_cpu=i486
 523         `$CC 2>&1 | grep -q "Intel(R) 64"` && host_cpu=x86_64
 524         cpp_check "" "" "_MSC_VER >= 1400" || die "Windows Intel Compiler support requires Visual Studio 2005 or newer"
 525         if cc_check '' -Qdiag-error:10006,10157 ; then
 526             CHECK_CFLAGS="$CHECK_CFLAGS -Qdiag-error:10006,10157"
 527         fi
 528     elif [[ "$cc_base" = cl || "$cc_base" = cl[\ .]* ]]; then
 529         # Standard Microsoft Visual Studio
 530         compiler=CL
 531         compiler_style=MS
 532         CFLAGS="$CFLAGS -nologo -DHAVE_STRING_H -I\$(SRCPATH)/extras"
 533         `$CC 2>&1 | grep -q 'x86'` && host_cpu=i486
 534         `$CC 2>&1 | grep -q 'x64'` && host_cpu=x86_64
 535         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"
 536     fi
 537 else
 538     if [[ "$cc_base" = icc || "$cc_base" = icc[\ .]* ]]; then
 539         AR="xiar"
 540         compiler=ICC
 541     fi
 542 fi
 543
 544 if [[ "$cc_base" = clang || "$cc_base" = clang[\ .]* ]]; then
 545     if cc_check '' -Werror=unknown-warning-option ; then
 546         CHECK_CFLAGS="$CHECK_CFLAGS -Werror=unknown-warning-option"
 547     fi
 548 fi
 549
 550 libm=""
 551 case $host_os in
 552     beos*)
 553         SYS="BEOS"
 554         define HAVE_MALLOC_H
 555         ;;
 556     darwin*)
 557         SYS="MACOSX"
 558         libm="-lm"
 559         if [ "$pic" = "no" ]; then
 560             cc_check "" -mdynamic-no-pic && CFLAGS="$CFLAGS -mdynamic-no-pic"
 561         fi
 562         ;;
 563     freebsd*)
 564         SYS="FREEBSD"
 565         libm="-lm"
 566         ;;
 567     kfreebsd*-gnu)
 568         SYS="FREEBSD"
 569         define HAVE_MALLOC_H
 570         libm="-lm"
 571         ;;
 572     netbsd*)
 573         SYS="NETBSD"
 574         libm="-lm"
 575         ;;
 576     openbsd*)
 577         SYS="OPENBSD"
 578         libm="-lm"
 579         ;;
 580     *linux*)
 581         SYS="LINUX"
 582         define HAVE_MALLOC_H
 583         libm="-lm"
 584         ;;
 585     gnu*)
 586         SYS="HURD"
 587         define HAVE_MALLOC_H
 588         libm="-lm"
 589         ;;
 590     cygwin*)
 591         EXE=".exe"
 592         if [ $compiler_style = GNU ] && cc_check "" -mno-cygwin; then
 593             CFLAGS="$CFLAGS -mno-cygwin"
 594             LDFLAGS="$LDFLAGS -mno-cygwin"
 595         fi
 596         if cpp_check "" "" "defined(__CYGWIN__)" ; then
 597             define HAVE_MALLOC_H
 598             SYS="CYGWIN"
 599         else
 600             SYS="WINDOWS"
 601             DEVNULL="NUL"
 602             LDFLAGSCLI="$LDFLAGSCLI -lshell32"
 603             RC="${RC-${cross_prefix}windres}"
 604         fi
 605         ;;
 606     mingw*)
 607         SYS="WINDOWS"
 608         EXE=".exe"
 609         DEVNULL="NUL"
 610         LDFLAGSCLI="$LDFLAGSCLI -lshell32"
 611         [ $compiler = GNU ] && RC="${RC-${cross_prefix}windres}" || RC="${RC-rc}"
 612         ;;
 613     sunos*|solaris*)
 614         SYS="SunOS"
 615         define HAVE_MALLOC_H
 616         libm="-lm"
 617         if cc_check "" /usr/lib/64/values-xpg6.o; then
 618             LDFLAGS="$LDFLAGS /usr/lib/64/values-xpg6.o"
 619         else
 620             LDFLAGS="$LDFLAGS /usr/lib/values-xpg6.o"
 621         fi
 622         if test -x /usr/ucb/install ; then
 623             INSTALL=/usr/ucb/install
 624         elif test -x /usr/bin/ginstall ; then
 625             # OpenSolaris
 626             INSTALL=/usr/bin/ginstall
 627         elif test -x /usr/gnu/bin/install ; then
 628             # OpenSolaris
 629             INSTALL=/usr/gnu/bin/install
 630         fi
 631         HAVE_GETOPT_LONG=0
 632         ;;
 633     *qnx*)
 634         SYS="QNX"
 635         define HAVE_MALLOC_H
 636         libm="-lm"
 637         HAVE_GETOPT_LONG=0
 638         CFLAGS="$CFLAGS -I\$(SRCPATH)/extras"
 639         ;;
 640     *)
 641         die "Unknown system $host, edit the configure"
 642         ;;
 643 esac
 644
 645 LDFLAGS="$LDFLAGS $libm"
 646
 647 stack_alignment=16
 648 case $host_cpu in
 649     i*86)
 650         ARCH="X86"
 651         AS="${AS-yasm}"
 652         AS_EXT=".asm"
 653         ASFLAGS="$ASFLAGS -DARCH_X86_64=0 -I\$(SRCPATH)/common/x86/"
 654         if [ $compiler = GNU ]; then
 655             if [[ "$asm" == auto && "$CFLAGS" != *-march* ]]; then
 656                 CFLAGS="$CFLAGS -march=i686"
 657             fi
 658             if [[ "$asm" == auto && "$CFLAGS" != *-mfpmath* ]]; then
 659                 CFLAGS="$CFLAGS -mfpmath=sse -msse"
 660             fi
 661             CFLAGS="-m32 $CFLAGS"
 662             LDFLAGS="-m32 $LDFLAGS"
 663         elif [ $compiler = ICC ]; then
 664             # icc on linux has various degrees of mod16 stack support
 665             if [ $SYS = LINUX ]; then
 666                 # < 11 is completely incapable of keeping a mod16 stack
 667                 if cpp_check "" "" "__INTEL_COMPILER < 1100" ; then
 668                     stack_alignment=4
 669                 # 11 <= x < 12 is capable of keeping a mod16 stack, but defaults to not doing so.
 670                 elif cpp_check "" "" "__INTEL_COMPILER < 1200" ; then
 671                     CFLAGS="$CFLAGS -falign-stack=assume-16-byte"
 672                 fi
 673                 # >= 12 defaults to a mod16 stack
 674             fi
 675         else # ICL/CL
 676             # always a mod4 stack
 677             stack_alignment=4
 678         fi
 679         if [ "$SYS" = MACOSX ]; then
 680             ASFLAGS="$ASFLAGS -f macho32 -DPREFIX"
 681         elif [ "$SYS" = WINDOWS -o "$SYS" = CYGWIN ]; then
 682             ASFLAGS="$ASFLAGS -f win32 -DPREFIX"
 683             LDFLAGS="$LDFLAGS -Wl,--large-address-aware"
 684             [ $compiler = GNU ] && LDFLAGS="$LDFLAGS -Wl,--dynamicbase,--nxcompat,--tsaware"
 685             [ $compiler = GNU ] && RCFLAGS="--target=pe-i386 $RCFLAGS"
 686         else
 687             ASFLAGS="$ASFLAGS -f elf32"
 688         fi
 689         ;;
 690     x86_64)
 691         ARCH="X86_64"
 692         AS="${AS-yasm}"
 693         AS_EXT=".asm"
 694         ASFLAGS="$ASFLAGS -DARCH_X86_64=1 -I\$(SRCPATH)/common/x86/"
 695         [ $compiler = GNU ] && CFLAGS="-m64 $CFLAGS" && LDFLAGS="-m64 $LDFLAGS"
 696         if [ "$SYS" = MACOSX ]; then
 697             ASFLAGS="$ASFLAGS -f macho64 -DPIC -DPREFIX"
 698             if cc_check '' "-arch x86_64"; then
 699                 CFLAGS="$CFLAGS -arch x86_64"
 700                 LDFLAGS="$LDFLAGS -arch x86_64"
 701             fi
 702         elif [ "$SYS" = WINDOWS -o "$SYS" = CYGWIN ]; then
 703             ASFLAGS="$ASFLAGS -f win64"
 704             # only the GNU toolchain is inconsistent in prefixing function names with _
 705             [ $compiler = GNU ] && cc_check "" "-S" && grep -q "_main:" conftest && ASFLAGS="$ASFLAGS -DPREFIX"
 706             [ $compiler = GNU ] && LDFLAGS="$LDFLAGS -Wl,--dynamicbase,--nxcompat,--tsaware"
 707             [ $compiler = GNU ] && RCFLAGS="--target=pe-x86-64 $RCFLAGS"
 708         else
 709             ASFLAGS="$ASFLAGS -f elf64"
 710         fi
 711         ;;
 712     powerpc*)
 713         ARCH="PPC"
 714         if [ $asm = auto ] ; then
 715             define HAVE_ALTIVEC
 716             AS="${AS-${CC}}"
 717             AS_EXT=".c"
 718             if [ $SYS = MACOSX ] ; then
 719                 CFLAGS="$CFLAGS -faltivec -fastf -mcpu=G4"
 720             else
 721                 CFLAGS="$CFLAGS -maltivec -mabi=altivec"
 722                 define HAVE_ALTIVEC_H
 723             fi
 724         fi
 725         ;;
 726     sparc)
 727         ARCH="SPARC"
 728         ;;
 729     mips*)
 730         ARCH="MIPS"
 731         AS="${AS-${CC}}"
 732         AS_EXT=".c"
 733         ;;
 734     arm*)
 735         ARCH="ARM"
 736         if [ "$SYS" = MACOSX ] ; then
 737             AS="${AS-${SRCPATH}/tools/gas-preprocessor.pl -arch arm -- ${CC}}"
 738             ASFLAGS="$ASFLAGS -DPREFIX -DPIC"  # apple's ld doesn't support movw/movt relocations at all
 739             # build for armv7 by default
 740             if ! echo $CFLAGS | grep -Eq '\-arch' ; then
 741                 CFLAGS="$CFLAGS -arch armv7"
 742                 LDFLAGS="$LDFLAGS -arch armv7"
 743             fi
 744         else
 745             AS="${AS-${CC}}"
 746         fi
 747         ;;
 748     aarch64)
 749         ARCH="AARCH64"
 750         if [ "$SYS" = MACOSX ] ; then
 751             AS="${AS-${SRCPATH}/tools/gas-preprocessor.pl -arch aarch64 -- ${CC}}"
 752             ASFLAGS="$ASFLAGS -DPREFIX"
 753         else
 754             AS="${AS-${CC}}"
 755         fi
 756         ;;
 757     s390|s390x)
 758         ARCH="S390"
 759         ;;
 760     hppa*|parisc*)
 761         ARCH="PARISC"
 762         ;;
 763     ia64)
 764         ARCH="IA64"
 765         ;;
 766     alpha*)
 767         ARCH="ALPHA"
 768         ;;
 769     *)
 770         ARCH="$(echo $host_cpu | tr a-z A-Z)"
 771         ;;
 772 esac
 773
 774 if [ $SYS = WINDOWS ]; then
 775     if ! rc_check "0 RCDATA {0}" ; then
 776         RC=""
 777     fi
 778 fi
 779
 780 log_msg "x264 configure script"
 781 if [ -n "$*" ]; then
 782     msg="Command line options:"
 783     for i in $@; do
 784         msg="$msg \"$i\""
 785     done
 786     log_msg "$msg"
 787 fi
 788 log_msg ""
 789
 790 # check requirements
 791
 792 cc_check || die "No working C compiler found."
 793
 794 if [ $compiler_style = GNU ]; then
 795     if cc_check '' -std=gnu99 'for( int i = 0; i < 9; i++ );' ; then
 796         CFLAGS="$CFLAGS -std=gnu99"
 797     elif cc_check '' -std=c99 'for( int i = 0; i < 9; i++ );' ; then
 798         CFLAGS="$CFLAGS -std=c99 -D_POSIX_C_SOURCE=200112L -D_BSD_SOURCE"
 799     elif ! cc_check '' '' 'for( int i = 0; i < 9; i++ );' ; then
 800         die "C99 compiler is needed for compilation."
 801     fi
 802 fi
 803
 804 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
 805     pic="yes"
 806 fi
 807
 808 if [ $asm = auto -a \( $ARCH = X86 -o $ARCH = X86_64 \) ] ; then
 809     if ! as_check "vpmovzxwd ymm0, xmm0" ; then
 810         VER=`($AS --version || echo no assembler) 2>/dev/null | head -n 1`
 811         echo "Found $VER"
 812         echo "Minimum version is yasm-1.2.0"
 813         echo "If you really want to compile without asm, configure with --disable-asm."
 814         exit 1
 815     fi
 816     cc_check '' '' '__asm__("pabsw %xmm0, %xmm0");' && define HAVE_X86_INLINE_ASM
 817     ASFLAGS="$ASFLAGS -Worphan-labels"
 818     define HAVE_MMX
 819     if [ $compiler = GNU ] && cc_check '' -mpreferred-stack-boundary=5 ; then
 820         CFLAGS="$CFLAGS -mpreferred-stack-boundary=5"
 821         stack_alignment=32
 822     fi
 823 fi
 824
 825 if [ $asm = auto -a $ARCH = ARM ] ; then
 826     # set flags so neon is built by default
 827     echo $CFLAGS | grep -Eq '(-mcpu|-march|-mfpu)' || CFLAGS="$CFLAGS -mcpu=cortex-a8 -mfpu=neon"
 828
 829     if  cc_check '' '' '__asm__("rev ip, ip");' ; then      define HAVE_ARMV6
 830         cc_check '' '' '__asm__("movt r0, #0");'         && define HAVE_ARMV6T2
 831         cc_check '' '' '__asm__("vadd.i16 q0, q0, q0");' && define HAVE_NEON
 832         ASFLAGS="$ASFLAGS -c"
 833     else
 834         echo "You specified a pre-ARMv6 or Thumb-1 CPU in your CFLAGS."
 835         echo "If you really want to run on such a CPU, configure with --disable-asm."
 836         exit 1
 837     fi
 838 fi
 839
 840 if [ $asm = auto -a $ARCH = AARCH64 ] ; then
 841     if  cc_check '' '' '__asm__("cmeq v0.8h, v0.8h, #0");' ; then define HAVE_NEON
 842         ASFLAGS="$ASFLAGS -c"
 843     else
 844         echo "no NEON support, try adding -mfpu=neon to CFLAGS"
 845         echo "If you really want to run on such a CPU, configure with --disable-asm."
 846         exit 1
 847     fi
 848 fi
 849
 850 if [ $asm = auto -a \( $ARCH = ARM -o $ARCH = AARCH64 \) ] ; then
 851     # check if the assembler supports '.func' (clang 3.5 does not)
 852     as_check ".func test${NL}.endfunc" && define HAVE_AS_FUNC 1
 853 fi
 854
 855 if [ $asm = auto -a $ARCH = MIPS ] ; then
 856     if ! echo $CFLAGS | grep -Eq '(-march|-mmsa|-mno-msa)' ; then
 857         cc_check '' '-mmsa -mfp64 -mhard-float' && CFLAGS="-mmsa -mfp64 -mhard-float $CFLAGS"
 858     fi
 859
 860     if cc_check '' '' '__asm__("addvi.b $w0, $w1, 1");' ; then
 861         define HAVE_MSA
 862     else
 863         echo "You specified a pre-MSA CPU in your CFLAGS."
 864         echo "If you really want to run on such a CPU, configure with --disable-asm."
 865         exit 1
 866     fi
 867 fi
 868
 869 [ $asm = no ] && AS=""
 870 [ "x$AS" = x ] && asm="no" || asm="yes"
 871
 872 define ARCH_$ARCH
 873 define SYS_$SYS
 874
 875 define STACK_ALIGNMENT $stack_alignment
 876 ASFLAGS="$ASFLAGS -DSTACK_ALIGNMENT=$stack_alignment"
 877
 878 # 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
 879 CPU_ENDIAN="little-endian"
 880 if [ $compiler = GNU ]; then
 881     echo "int i[2] = {0x42494745,0}; double f[2] = {0x1.0656e6469616ep+102,0};" > conftest.c
 882     $CC $CFLAGS conftest.c -c -o conftest.o 2>/dev/null || die "endian test failed"
 883     if (${cross_prefix}strings -a conftest.o | grep -q BIGE) && (${cross_prefix}strings -a conftest.o | grep -q FPendian) ; then
 884         define WORDS_BIGENDIAN
 885         CPU_ENDIAN="big-endian"
 886     elif !(${cross_prefix}strings -a conftest.o | grep -q EGIB && ${cross_prefix}strings -a conftest.o | grep -q naidnePF) ; then
 887         die "endian test failed"
 888     fi
 889 fi
 890
 891 if [ "$cli_libx264" = "system" -a "$shared" != "yes" ] ; then
 892     [ "$static" = "yes" ] && die "Option --system-libx264 can not be used together with --enable-static"
 893     if ${cross_prefix}pkg-config --exists x264 2>/dev/null; then
 894         X264_LIBS="$(${cross_prefix}pkg-config --libs x264)"
 895         X264_INCLUDE_DIR="${X264_INCLUDE_DIR-$(${cross_prefix}pkg-config --variable=includedir x264)}"
 896         configure_system_override "$X264_INCLUDE_DIR" || die "Detection of system libx264 configuration failed"
 897     else
 898         die "Can not find system libx264"
 899     fi
 900 fi
 901
 902 # autodetect options that weren't forced nor disabled
 903
 904 # pthread-win32 is lgpl, prevent its use if --disable-gpl is specified and targeting windows
 905 [ "$SYS" = "WINDOWS" -a "$gpl" = "no" -a "$thread" = "auto" ] && thread="win32"
 906
 907 libpthread=""
 908 if [ "$thread" = "auto" ]; then
 909     thread="no"
 910     case $SYS in
 911         BEOS)
 912             thread="beos"
 913             define HAVE_BEOSTHREAD
 914             ;;
 915         WINDOWS)
 916             if cc_check pthread.h -lpthread "pthread_create(0,0,0,0);" ; then
 917                 thread="posix"
 918                 libpthread="-lpthread"
 919             elif cc_check pthread.h -lpthreadGC2 "pthread_create(0,0,0,0);" ; then
 920                 thread="posix"
 921                 libpthread="-lpthreadGC2"
 922             elif cc_check pthread.h "-lpthreadGC2 -lwsock32 -DPTW32_STATIC_LIB" "pthread_create(0,0,0,0);" ; then
 923                 thread="posix"
 924                 libpthread="-lpthreadGC2 -lwsock32"
 925                 define PTW32_STATIC_LIB
 926             elif cc_check pthread.h "-lpthreadGC2 -lws2_32 -DPTW32_STATIC_LIB" "pthread_create(0,0,0,0);" ; then
 927                 thread="posix"
 928                 libpthread="-lpthreadGC2 -lws2_32"
 929                 define PTW32_STATIC_LIB
 930             else
 931                 # default to native threading if pthread-win32 is unavailable
 932                 thread="win32"
 933             fi
 934             ;;
 935         QNX)
 936             cc_check pthread.h -lc "pthread_create(0,0,0,0);" && thread="posix" && libpthread="-lc"
 937             ;;
 938         *)
 939             if cc_check pthread.h -lpthread "pthread_create(0,0,0,0);" ; then
 940                thread="posix"
 941                libpthread="-lpthread"
 942             else
 943                 cc_check pthread.h "" "pthread_create(0,0,0,0);" && thread="posix" && libpthread=""
 944             fi
 945             ;;
 946     esac
 947 fi
 948 if [ "$thread" = "posix" ]; then
 949     LDFLAGS="$LDFLAGS $libpthread"
 950     define HAVE_POSIXTHREAD
 951     if [ "$SYS" = "LINUX" ] && cc_check sched.h "-D_GNU_SOURCE -Werror" "cpu_set_t p_aff; return CPU_COUNT(&p_aff);" ; then
 952         define HAVE_CPU_COUNT
 953     fi
 954 fi
 955 if [ "$thread" = "win32" ]; then
 956     # cygwin does not support win32 threads
 957     if [ "$SYS" = "WINDOWS" ]; then
 958         define HAVE_WIN32THREAD
 959     else
 960         thread="no"
 961     fi
 962 fi
 963 [ "$thread" != "no" ] && define HAVE_THREAD
 964
 965 if cc_check "math.h" "-Werror" "return log2f(2);" ; then
 966     define HAVE_LOG2F
 967 fi
 968
 969 if [ "$SYS" = "LINUX" -a \( "$ARCH" = "X86" -o "$ARCH" = "X86_64" \) ] && cc_check "sys/mman.h" "" "MADV_HUGEPAGE;" ; then
 970     define HAVE_THP
 971 fi
 972
 973 if [ "$swscale" = "auto" ] ; then
 974     swscale="no"
 975     if ${cross_prefix}pkg-config --exists libswscale 2>/dev/null; then
 976         SWSCALE_LIBS="$SWSCALE_LIBS $(${cross_prefix}pkg-config --libs libswscale libavutil)"
 977         SWSCALE_CFLAGS="$SWSCALE_CFLAGS $(${cross_prefix}pkg-config --cflags libswscale libavutil)"
 978     fi
 979     [ -z "$SWSCALE_LIBS" ] && SWSCALE_LIBS="-lswscale -lavutil"
 980
 981     if cc_check "libswscale/swscale.h" "$SWSCALE_CFLAGS $SWSCALE_LIBS" "sws_init_context(0,0,0);" ; then
 982         if cpp_check "libavutil/pixdesc.h" "$SWSCALE_CFLAGS $SWSCALE_LIBS" "defined(AV_PIX_FMT_FLAG_RGB)" ; then
 983             swscale="yes"
 984         else
 985             echo "Warning: AV_PIX_FMT_FLAG_RGB is missing from libavutil, update for swscale support"
 986         fi
 987     fi
 988 fi
 989
 990 if [ "$lavf" = "auto" ] ; then
 991     lavf="no"
 992     if ${cross_prefix}pkg-config --exists libavformat libavcodec libswscale 2>/dev/null; then
 993         LAVF_LIBS="$LAVF_LIBS $(${cross_prefix}pkg-config --libs libavformat libavcodec libavutil libswscale)"
 994         LAVF_CFLAGS="$LAVF_CFLAGS $(${cross_prefix}pkg-config --cflags libavformat libavcodec libavutil libswscale)"
 995     fi
 996     if [ -z "$LAVF_LIBS" -a -z "$LAVF_CFLAGS" ]; then
 997         LAVF_LIBS="-lavformat"
 998         for lib in -lpostproc -lavcodec -lswscale -lavutil -lm -lz -lbz2 $libpthread -lavifil32 -lws2_32; do
 999             cc_check "" $lib && LAVF_LIBS="$LAVF_LIBS $lib"
1000         done
1001     fi
1002     LAVF_LIBS="-L. $LAVF_LIBS"
1003     if cc_check libavformat/avformat.h "$LAVF_CFLAGS $LAVF_LIBS" "av_frame_free(0);" ; then
1004         if [ "$swscale" = "yes" ]; then
1005             lavf="yes"
1006         else
1007             echo "Warning: libavformat is not supported without swscale support"
1008         fi
1009     fi
1010 fi
1011
1012 if [ "$ffms" = "auto" ] ; then
1013     ffms_major="2"; ffms_minor="16"; ffms_micro="2"; ffms_bump="0"
1014     ffms="no"
1015
1016     if ${cross_prefix}pkg-config --exists ffms2 2>/dev/null; then
1017         FFMS2_LIBS="$FFMS2_LIBS $(${cross_prefix}pkg-config --libs ffms2)"
1018         FFMS2_CFLAGS="$FFMS2_CFLAGS $(${cross_prefix}pkg-config --cflags ffms2)"
1019     fi
1020     [ -z "$FFMS2_LIBS" ] && FFMS2_LIBS="-lffms2"
1021
1022     if cc_check ffms.h "$FFMS2_CFLAGS $FFMS2_LIBS" "FFMS_DestroyVideoSource(0);" ; then
1023         ffms="yes"
1024     elif cc_check ffms.h "$FFMS2_CFLAGS $FFMS2_LIBS -lstdc++ $LAVF_LIBS" "FFMS_DestroyVideoSource(0);" ; then
1025         ffms="yes"
1026         FFMS2_LIBS="$FFMS2_LIBS -lstdc++ $LAVF_LIBS"
1027     fi
1028
1029     error="ffms must be at least version $ffms_major.$ffms_minor.$ffms_micro.$ffms_bump"
1030     if [ $ffms = "yes" ] && ! cpp_check "ffms.h" "$FFMS2_CFLAGS" "FFMS_VERSION >= (($ffms_major << 24) | ($ffms_minor << 16) | ($ffms_micro << 8) | $ffms_bump)" "$error"; then
1031        ffms="no"
1032        echo "Warning: $error"
1033     fi
1034     if [ "$ffms" = "yes" -a "$swscale" = "no" ]; then
1035         echo "Warning: ffms is not supported without swscale support"
1036         ffms="no"
1037     fi
1038 fi
1039
1040 if [ "$swscale" = "yes" ]; then
1041     LDFLAGSCLI="$SWSCALE_LIBS $LDFLAGSCLI"
1042     CFLAGS="$CFLAGS $SWSCALE_CFLAGS"
1043     define HAVE_SWSCALE
1044     if [ "$lavf" = "yes" ]; then
1045         LDFLAGSCLI="$LAVF_LIBS $LDFLAGSCLI"
1046         CFLAGS="$CFLAGS $LAVF_CFLAGS"
1047         define HAVE_LAVF
1048     fi
1049     if [ "$ffms" = "yes" ]; then
1050         LDFLAGSCLI="$FFMS2_LIBS $LDFLAGSCLI"
1051         CFLAGS="$CFLAGS $FFMS2_CFLAGS"
1052         define HAVE_FFMS
1053     fi
1054 fi
1055
1056 if [ "$lsmash" = "auto" ] ; then
1057     lsmash="no"
1058     if ${cross_prefix}pkg-config --exists liblsmash 2>/dev/null; then
1059         LSMASH_LIBS="$LSMASH_LIBS $(${cross_prefix}pkg-config --libs liblsmash)"
1060         LSMASH_CFLAGS="$LSMASH_CFLAGS $(${cross_prefix}pkg-config --cflags liblsmash)"
1061     fi
1062     [ -z "$LSMASH_LIBS" ] && LSMASH_LIBS="-llsmash"
1063
1064     if cc_check lsmash.h "$LSMASH_CFLAGS $LSMASH_LIBS" ; then
1065         if cpp_check lsmash.h "$LSMASH_CFLAGS" "LSMASH_VERSION_MAJOR > 1 || (LSMASH_VERSION_MAJOR == 1 && LSMASH_VERSION_MINOR >= 5)" ; then
1066             lsmash="yes"
1067         else
1068             echo "Warning: lsmash is too old, update to rev.895 or later"
1069         fi
1070     fi
1071 fi
1072
1073 if [ "$gpac" = "auto" -a "$lsmash" != "yes" ] ; then
1074     gpac="no"
1075     GPAC_LIBS="-lgpac_static"
1076     cc_check "" -lz && GPAC_LIBS="$GPAC_LIBS -lz"
1077     if [ "$SYS" = "WINDOWS" ] ; then
1078         cc_check "" -lws2_32 && GPAC_LIBS="$GPAC_LIBS -lws2_32"
1079         cc_check "" -lwinmm && GPAC_LIBS="$GPAC_LIBS -lwinmm"
1080     fi
1081     if cc_check gpac/isomedia.h "$GPAC_LIBS" ; then
1082         if cc_check gpac/isomedia.h "$GPAC_LIBS" "gf_isom_set_pixel_aspect_ratio(0,0,0,0,0);" ; then
1083             gpac="yes"
1084         else
1085             echo "Warning: gpac is too old, update to 2007-06-21 UTC or later"
1086         fi
1087     fi
1088 fi
1089
1090 if [ "$lsmash" = "yes" ] ; then
1091     mp4="lsmash"
1092     LDFLAGSCLI="$LSMASH_LIBS $LDFLAGSCLI"
1093     CFLAGS="$CFLAGS $LSMASH_CFLAGS"
1094     define HAVE_LSMASH
1095 elif [ "$gpac" = "yes" ] ; then
1096     mp4="gpac"
1097     define HAVE_GPAC
1098     LDFLAGSCLI="$GPAC_LIBS $LDFLAGSCLI"
1099 fi
1100
1101 if [ "$avs" = "auto" ] ; then
1102     avs="no"
1103     # cygwin can use avisynth if it can use LoadLibrary
1104     if [ $SYS = WINDOWS ] || ([ $SYS = CYGWIN ] && cc_check windows.h "" "LoadLibraryW(0);") ; then
1105         avs="avisynth"
1106         define HAVE_AVS
1107         define USE_AVXSYNTH 0
1108     elif [ "$SYS" = "LINUX" -o "$SYS" = "MACOSX" ] ; then
1109     # AvxSynth currently only supports Linux and OSX
1110         avs="avxsynth"
1111         define HAVE_AVS
1112         define USE_AVXSYNTH 1
1113         AVS_LIBS="-ldl"
1114         LDFLAGSCLI="$AVS_LIBS $LDFLAGSCLI"
1115     fi
1116 fi
1117
1118 cc_check "stdint.h" "" "uint32_t test_vec __attribute__ ((vector_size (16))) = {0,1,2,3};" && define HAVE_VECTOREXT
1119
1120 if [ "$pic" = "yes" ] ; then
1121     [ "$SYS" != WINDOWS -a "$SYS" != CYGWIN ] && CFLAGS="$CFLAGS -fPIC"
1122     ASFLAGS="$ASFLAGS -DPIC"
1123     # resolve textrels in the x86 asm
1124     cc_check stdio.h "-shared -Wl,-Bsymbolic" && SOFLAGS="$SOFLAGS -Wl,-Bsymbolic"
1125     [ $SYS = SunOS -a "$ARCH" = "X86" ] && SOFLAGS="$SOFLAGS -mimpure-text"
1126 fi
1127
1128 if [ "$debug" != "yes" -a "$gprof" != "yes" ]; then
1129     CFLAGS="$CFLAGS -fomit-frame-pointer"
1130 fi
1131
1132 if [ "$strip" = "yes" ]; then
1133     LDFLAGS="$LDFLAGS -s"
1134 fi
1135
1136 if [ "$debug" = "yes" ]; then
1137     CFLAGS="-O1 -g $CFLAGS"
1138 else
1139     CFLAGS="-O3 -ffast-math $CFLAGS"
1140 fi
1141
1142 if cc_check '' -fno-tree-vectorize ; then
1143     CFLAGS="$CFLAGS -fno-tree-vectorize"
1144 fi
1145
1146 if [ $SYS = WINDOWS -a $ARCH = X86 -a $compiler = GNU ] ; then
1147     # workaround gcc/ld bug with alignment of static variables/arrays that are initialized to zero
1148     cc_check '' -fno-zero-initialized-in-bss && CFLAGS="$CFLAGS -fno-zero-initialized-in-bss"
1149 fi
1150
1151 if cc_check "stdio.h" "" "fseeko(stdin,0,0);" ; then
1152     define fseek fseeko
1153     define ftell ftello
1154 elif cc_check "stdio.h" "" "fseeko64(stdin,0,0);" ; then
1155     define fseek fseeko64
1156     define ftell ftello64
1157 elif cc_check "stdio.h" "" "_fseeki64(stdin,0,0);" ; then
1158     define fseek _fseeki64
1159     define ftell _ftelli64
1160 fi
1161
1162 if cc_check '' -Wshadow ; then
1163     CFLAGS="-Wshadow $CFLAGS"
1164 fi
1165
1166 if cc_check '' -Wmaybe-uninitialized ; then
1167     CFLAGS="-Wno-maybe-uninitialized $CFLAGS"
1168 fi
1169
1170 if [ $compiler = ICC -o $compiler = ICL ] ; then
1171     if cc_check 'extras/intel_dispatcher.h' '' 'x264_intel_dispatcher_override();' ; then
1172         define HAVE_INTEL_DISPATCHER
1173     fi
1174 fi
1175
1176 if [ "$bit_depth" -gt "8" ]; then
1177     define HIGH_BIT_DEPTH
1178     ASFLAGS="$ASFLAGS -DHIGH_BIT_DEPTH=1"
1179     opencl="no"
1180 else
1181     ASFLAGS="$ASFLAGS -DHIGH_BIT_DEPTH=0"
1182 fi
1183
1184 if [ "$chroma_format" != "all" ]; then
1185     define CHROMA_FORMAT CHROMA_$chroma_format
1186 fi
1187
1188 ASFLAGS="$ASFLAGS -DBIT_DEPTH=$bit_depth"
1189
1190 [ $gpl = yes ] && define HAVE_GPL && x264_gpl=1 || x264_gpl=0
1191
1192 [ $interlaced = yes ] && define HAVE_INTERLACED && x264_interlaced=1 || x264_interlaced=0
1193
1194 libdl=""
1195 if [ "$opencl" = "yes" ]; then
1196     opencl="no"
1197     # cygwin can use opencl if it can use LoadLibrary
1198     if [ $SYS = WINDOWS ] || ([ $SYS = CYGWIN ] && cc_check windows.h "" "LoadLibraryW(0);") ; then
1199         opencl="yes"
1200         define HAVE_OPENCL
1201     elif [ "$SYS" = "LINUX" -o "$SYS" = "MACOSX" ] ; then
1202         opencl="yes"
1203         define HAVE_OPENCL
1204         libdl="-ldl"
1205     fi
1206     LDFLAGS="$LDFLAGS $libdl"
1207 fi
1208
1209 #define undefined vars as 0
1210 for var in $CONFIG_HAVE; do
1211     grep -q "HAVE_$var 1" config.h || define HAVE_$var 0
1212 done
1213
1214 # generate exported config file
1215
1216 config_chroma_format="X264_CSP_I$chroma_format"
1217 [ "$config_chroma_format" == "X264_CSP_Iall" ] && config_chroma_format="0"
1218 cat > x264_config.h << EOF
1219 #define X264_BIT_DEPTH     $bit_depth
1220 #define X264_GPL           $x264_gpl
1221 #define X264_INTERLACED    $x264_interlaced
1222 #define X264_CHROMA_FORMAT $config_chroma_format
1223 EOF
1224
1225 ${SRCPATH}/version.sh >> x264_config.h
1226
1227 if [ "$cli_libx264" = "system" ] ; then
1228     if [ "$shared" = "yes" ]; then
1229         CLI_LIBX264='$(SONAME)'
1230     else
1231         CLI_LIBX264=
1232         LDFLAGSCLI="$X264_LIBS $LDFLAGSCLI"
1233         cc_check 'stdint.h x264.h' '' 'x264_encoder_open(0);' || die "System libx264 can't be used for compilation of this version"
1234     fi
1235 else
1236     CLI_LIBX264='$(LIBX264)'
1237 fi
1238
1239 DEPMM="${QPRE}MM"
1240 DEPMT="${QPRE}MT"
1241 if [ $compiler_style = MS ]; then
1242     AR="lib -nologo -out:"
1243     LD="link -out:"
1244     if [ $compiler = ICL ]; then
1245         AR="xi$AR"
1246         LD="xi$LD"
1247     else
1248         mslink="$(dirname "$(command -v cl 2>/dev/null)")/link"
1249         [ -x "$mslink" ] && LD="\"$mslink\" -out:"
1250     fi
1251     HAVE_GETOPT_LONG=0
1252     LDFLAGS="-nologo -incremental:no $(cl_ldflags $LDFLAGS)"
1253     LDFLAGSCLI="$(cl_ldflags $LDFLAGSCLI)"
1254     LIBX264=libx264.lib
1255     RANLIB=
1256     [ -n "$RC" ] && RCFLAGS="$RCFLAGS -nologo -I. -I\$(SRCPATH)/extras -fo"
1257     STRIP=
1258     if [ $debug = yes ]; then
1259         LDFLAGS="-debug $LDFLAGS"
1260         CFLAGS="-D_DEBUG $CFLAGS"
1261     else
1262         CFLAGS="-DNDEBUG $CFLAGS"
1263     fi
1264 else # gcc/icc
1265     DEPMM="$DEPMM -g0"
1266     AR="$AR rc "
1267     LD="$CC -o "
1268     LIBX264=libx264.a
1269     [ -n "$RC" ] && RCFLAGS="$RCFLAGS -I. -o "
1270 fi
1271 [ $compiler != GNU ] && CFLAGS="$(cc_cflags $CFLAGS)"
1272 if [ $compiler = ICC -o $compiler = ICL ]; then
1273     # icc does not define __SSE__ until SSE2 optimization and icl never defines it or _M_IX86_FP
1274     [ \( $ARCH = X86_64 -o $ARCH = X86 \) -a $asm = yes ] && ! cpp_check "" "" "defined(__SSE__)" && define __SSE__
1275     PROF_GEN_CC="${QPRE}prof-gen ${QPRE}prof-dir."
1276     PROF_GEN_LD=
1277     PROF_USE_CC="${QPRE}prof-use ${QPRE}prof-dir."
1278     PROF_USE_LD=
1279 elif [ $compiler = CL ]; then
1280     # Visual Studio
1281     # _M_IX86_FP is only defined on x86
1282     [ $ARCH = X86 ] && cpp_check '' '' '_M_IX86_FP >= 1' && define __SSE__
1283     [ $ARCH = X86_64 ] && define __SSE__
1284     # As long as the cli application can't link against the dll, the dll can not be pgo'd.
1285     # pgds are link flag specific and the -dll flag for creating the dll makes it unshareable with the cli
1286     PROF_GEN_CC="-GL"
1287     PROF_GEN_LD="-LTCG:PGINSTRUMENT"
1288     PROF_USE_CC="-GL"
1289     PROF_USE_LD="-LTCG:PGOPTIMIZE"
1290 else
1291     PROF_GEN_CC="-fprofile-generate"
1292     PROF_GEN_LD="-fprofile-generate"
1293     PROF_USE_CC="-fprofile-use"
1294     PROF_USE_LD="-fprofile-use"
1295 fi
1296
1297 # generate config files
1298
1299 cat > config.mak << EOF
1300 SRCPATH=$SRCPATH
1301 prefix=$prefix
1302 exec_prefix=$exec_prefix
1303 bindir=$bindir
1304 libdir=$libdir
1305 includedir=$includedir
1306 SYS_ARCH=$ARCH
1307 SYS=$SYS
1308 CC=$CC
1309 CFLAGS=$CFLAGS
1310 COMPILER=$compiler
1311 COMPILER_STYLE=$compiler_style
1312 DEPMM=$DEPMM
1313 DEPMT=$DEPMT
1314 LD=$LD
1315 LDFLAGS=$LDFLAGS
1316 LIBX264=$LIBX264
1317 AR=$AR
1318 RANLIB=$RANLIB
1319 STRIP=$STRIP
1320 INSTALL=$INSTALL
1321 AS=$AS
1322 ASFLAGS=$ASFLAGS
1323 RC=$RC
1324 RCFLAGS=$RCFLAGS
1325 EXE=$EXE
1326 HAVE_GETOPT_LONG=$HAVE_GETOPT_LONG
1327 DEVNULL=$DEVNULL
1328 PROF_GEN_CC=$PROF_GEN_CC
1329 PROF_GEN_LD=$PROF_GEN_LD
1330 PROF_USE_CC=$PROF_USE_CC
1331 PROF_USE_LD=$PROF_USE_LD
1332 HAVE_OPENCL=$opencl
1333 EOF
1334
1335 if [ $compiler_style = MS ]; then
1336     echo '%.o: %.c' >> config.mak
1337     echo '      $(CC) $(CFLAGS) -c -Fo$@ $<' >> config.mak
1338 fi
1339
1340 if [ "$cli" = "yes" ]; then
1341     echo 'default: cli' >> config.mak
1342     echo 'install: install-cli' >> config.mak
1343 fi
1344
1345 if [ "$shared" = "yes" ]; then
1346     API=$(grep '#define X264_BUILD' < ${SRCPATH}/x264.h | cut -f 3 -d ' ')
1347     if [ "$SYS" = "WINDOWS" -o "$SYS" = "CYGWIN" ]; then
1348         echo "SONAME=libx264-$API.dll" >> config.mak
1349         if [ $compiler_style = MS ]; then
1350             echo 'IMPLIBNAME=libx264.dll.lib' >> config.mak
1351             # GNU ld on windows defaults to exporting all global functions if there are no explicit __declspec(dllexport) declarations
1352             # 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
1353             echo "SOFLAGS=-dll -def:x264.def -implib:\$(IMPLIBNAME) $SOFLAGS" >> config.mak
1354             echo "EXPORTS" > x264.def
1355             # export API functions
1356             grep "^\(int\|void\|x264_t\).*x264" ${SRCPATH}/x264.h | sed -e "s/.*\(x264.*\)(.*/\1/;s/open/open_$API/g" >> x264.def
1357             # export API variables/data. must be flagged with the DATA keyword
1358             grep "extern.*x264" ${SRCPATH}/x264.h | sed -e "s/.*\(x264\w*\)\W.*/\1 DATA/;" >> x264.def
1359         else
1360             echo 'IMPLIBNAME=libx264.dll.a' >> config.mak
1361             echo "SOFLAGS=-shared -Wl,--out-implib,\$(IMPLIBNAME) -Wl,--enable-auto-image-base $SOFLAGS" >> config.mak
1362         fi
1363     elif [ "$SYS" = "MACOSX" ]; then
1364         echo "SOSUFFIX=dylib" >> config.mak
1365         echo "SONAME=libx264.$API.dylib" >> config.mak
1366         echo "SOFLAGS=-shared -dynamiclib -Wl,-single_module -Wl,-read_only_relocs,suppress -install_name \$(DESTDIR)\$(libdir)/\$(SONAME) $SOFLAGS" >> config.mak
1367     elif [ "$SYS" = "SunOS" ]; then
1368         echo "SOSUFFIX=so" >> config.mak
1369         echo "SONAME=libx264.so.$API" >> config.mak
1370         echo "SOFLAGS=-shared -Wl,-h,\$(SONAME) $SOFLAGS" >> config.mak
1371     else
1372         echo "SOSUFFIX=so" >> config.mak
1373         echo "SONAME=libx264.so.$API" >> config.mak
1374         echo "SOFLAGS=-shared -Wl,-soname,\$(SONAME) $SOFLAGS" >> config.mak
1375     fi
1376     echo 'default: lib-shared' >> config.mak
1377     echo 'install: install-lib-shared' >> config.mak
1378 fi
1379
1380 if [ "$static" = "yes" ]; then
1381     echo 'default: lib-static' >> config.mak
1382     echo 'install: install-lib-static' >> config.mak
1383 fi
1384
1385 echo "LDFLAGSCLI = $LDFLAGSCLI" >> config.mak
1386 echo "CLI_LIBX264 = $CLI_LIBX264" >> config.mak
1387
1388 cat > x264.pc << EOF
1389 prefix=$prefix
1390 exec_prefix=$exec_prefix
1391 libdir=$libdir
1392 includedir=$includedir
1393
1394 Name: x264
1395 Description: H.264 (MPEG4 AVC) encoder library
1396 Version: $(grep POINTVER < x264_config.h | sed -e 's/.* "//; s/".*//')
1397 Libs: -L$libdir -lx264 $([ "$shared" = "yes" ] || echo $libpthread $libm $libdl)
1398 Libs.private: $([ "$shared" = "yes" ] && echo $libpthread $libm $libdl)
1399 Cflags: -I$includedir
1400 EOF
1401
1402 filters="crop select_every"
1403 gpl_filters=""
1404 [ $swscale = yes ] && filters="resize $filters"
1405 [ $gpl = yes ] && filters="$filters $gpl_filters"
1406
1407 cat > conftest.log <<EOF
1408 platform:      $ARCH
1409 byte order:    $CPU_ENDIAN
1410 system:        $SYS
1411 cli:           $cli
1412 libx264:       $cli_libx264
1413 shared:        $shared
1414 static:        $static
1415 asm:           $asm
1416 interlaced:    $interlaced
1417 avs:           $avs
1418 lavf:          $lavf
1419 ffms:          $ffms
1420 mp4:           $mp4
1421 gpl:           $gpl
1422 thread:        $thread
1423 opencl:        $opencl
1424 filters:       $filters
1425 debug:         $debug
1426 gprof:         $gprof
1427 strip:         $strip
1428 PIC:           $pic
1429 bit depth:     $bit_depth
1430 chroma format: $chroma_format
1431 EOF
1432
1433 echo >> config.log
1434 cat conftest.log >> config.log
1435 cat conftest.log
1436
1437 [ "$SRCPATH" != "." ] && ln -sf ${SRCPATH}/Makefile ./Makefile
1438 mkdir -p common/{aarch64,arm,ppc,x86} encoder extras filters/video input output tools
1439
1440 echo
1441 echo "You can run 'make' or 'make fprofiled' now."
1442