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
 118         arg=${arg/pthreadGC/pthreadVC}
 119         [ "$arg" = avifil32.lib ] && arg=vfw32.lib
 120         [ "$arg" = gpac_static.lib ] && arg=libgpac_static.lib
 121
 122         [ -n "$arg" ] && echo -n "$arg "
 123     done
 124 }
 125
 126 cc_check() {
 127     if [ -z "$3" ]; then
 128         if [ -z "$1$2" ]; then
 129             log_check "whether $CC works"
 130         elif [ -z "$1" ]; then
 131             log_check "for $2"
 132         else
 133             log_check "for $1"
 134         fi
 135     elif [ -z "$1" ]; then
 136         if [ -z "$2" ]; then
 137             log_check "whether $CC supports $3"
 138         else
 139             log_check "whether $CC supports $3 with $2"
 140         fi
 141     else
 142         log_check "for $3 in $1";
 143     fi
 144     rm -f conftest.c
 145     [ -n "$1" ] && echo "#include <$1>" > conftest.c
 146     echo "int main (void) { $3 return 0; }" >> conftest.c
 147     if [ $compiler_style = MS ]; then
 148         cc_cmd="$CC conftest.c $(cc_cflags $CFLAGS $2) -link $(cl_ldflags $2 $LDFLAGSCLI $LDFLAGS)"
 149     else
 150         cc_cmd="$CC conftest.c $CFLAGS $2 $LDFLAGSCLI $LDFLAGS -o conftest"
 151     fi
 152     if $cc_cmd >conftest.log 2>&1; then
 153         res=$?
 154         log_ok
 155     else
 156         res=$?
 157         log_fail
 158         log_msg "Failed commandline was:"
 159         log_msg "--------------------------------------------------"
 160         log_msg "$cc_cmd"
 161         cat conftest.log >> config.log
 162         log_msg "--------------------------------------------------"
 163         log_msg "Failed program was:"
 164         log_msg "--------------------------------------------------"
 165         cat conftest.c >> config.log
 166         log_msg "--------------------------------------------------"
 167     fi
 168     return $res
 169 }
 170
 171 cpp_check() {
 172     log_check "whether $3 is true"
 173     rm -f conftest.c
 174     [ -n "$1" ] && echo "#include <$1>" > conftest.c
 175     echo -e "#if !($3) \n#error $4 \n#endif " >> conftest.c
 176     if [ $compiler_style = MS ]; then
 177         cpp_cmd="$CC conftest.c $(cc_cflags $CFLAGS $2) -P"
 178     else
 179         cpp_cmd="$CC conftest.c $CFLAGS $2 -E -o conftest"
 180     fi
 181     if $cpp_cmd >conftest.log 2>&1; then
 182         res=$?
 183         log_ok
 184     else
 185         res=$?
 186         log_fail
 187         log_msg "--------------------------------------------------"
 188         cat conftest.log >> config.log
 189         log_msg "--------------------------------------------------"
 190         log_msg "Failed program was:"
 191         log_msg "--------------------------------------------------"
 192         cat conftest.c >> config.log
 193         log_msg "--------------------------------------------------"
 194     fi
 195     return $res
 196 }
 197
 198 as_check() {
 199     log_check "whether $AS supports $1"
 200     echo "$1" > conftest.asm
 201     if $AS conftest.asm $ASFLAGS $2 -o conftest.o >conftest.log 2>&1; then
 202         res=$?
 203         log_ok
 204     else
 205         res=$?
 206         log_fail
 207         log_msg "Failed commandline was:"
 208         log_msg "--------------------------------------------------"
 209         log_msg "$AS conftest.asm $ASFLAGS $2 -o conftest.o"
 210         cat conftest.log >> config.log
 211         log_msg "--------------------------------------------------"
 212         log_msg "Failed program was:"
 213         log_msg "--------------------------------------------------"
 214         cat conftest.asm >> config.log
 215         log_msg "--------------------------------------------------"
 216     fi
 217     return $res
 218 }
 219
 220 rc_check() {
 221     log_check "whether $RC works"
 222     echo "$1" > conftest.rc
 223     if [ $compiler = GNU ]; then
 224         rc_cmd="$RC $RCFLAGS -o conftest.o conftest.rc"
 225     else
 226         rc_cmd="$RC $RCFLAGS -foconftest.o conftest.rc"
 227     fi
 228     if $rc_cmd >conftest.log 2>&1; then
 229         res=$?
 230         log_ok
 231     else
 232         res=$?
 233         log_fail
 234         log_msg "Failed commandline was:"
 235         log_msg "--------------------------------------------------"
 236         log_msg "$rc_cmd"
 237         cat conftest.log >> config.log
 238         log_msg "--------------------------------------------------"
 239         log_msg "Failed program was:"
 240         log_msg "--------------------------------------------------"
 241         cat conftest.rc >> config.log
 242         log_msg "--------------------------------------------------"
 243     fi
 244     return $res
 245 }
 246
 247 define() {
 248     echo "#define $1$([ -n "$2" ] && echo " $2" || echo " 1")" >> config.h
 249 }
 250
 251 die() {
 252     log_msg "DIED: $@"
 253     echo "$@"
 254     exit 1
 255 }
 256
 257 rm -f x264_config.h config.h config.mak config.log x264.pc x264.def conftest*
 258
 259 SRCPATH="$(cd $(dirname $0); pwd)"
 260 [ "$SRCPATH" = "$(pwd)" ] && SRCPATH=.
 261 [ -n "$(echo $SRCPATH | grep ' ')" ] && die "Out of tree builds are impossible with whitespace in source path."
 262 [ -e "$SRCPATH/config.h" -o -e "$SRCPATH/x264_config.h" ] && die "Out of tree builds are impossible with config.h/x264_config.h in source dir."
 263
 264 prefix='/usr/local'
 265 exec_prefix='${prefix}'
 266 bindir='${exec_prefix}/bin'
 267 libdir='${exec_prefix}/lib'
 268 includedir='${prefix}/include'
 269 DEVNULL='/dev/null'
 270
 271 cli="yes"
 272 cli_libx264="internal"
 273 shared="no"
 274 static="no"
 275 avs="auto"
 276 lavf="auto"
 277 ffms="auto"
 278 gpac="auto"
 279 lsmash="auto"
 280 mp4="no"
 281 gpl="yes"
 282 thread="auto"
 283 swscale="auto"
 284 asm="auto"
 285 interlaced="yes"
 286 debug="no"
 287 gprof="no"
 288 strip="no"
 289 pic="no"
 290 bit_depth="8"
 291 chroma_format="all"
 292 compiler="GNU"
 293 compiler_style="GNU"
 294 opencl="yes"
 295
 296 CFLAGS="$CFLAGS -Wall -I. -I\$(SRCPATH)"
 297 LDFLAGS="$LDFLAGS"
 298 LDFLAGSCLI="$LDFLAGSCLI"
 299 ASFLAGS="$ASFLAGS -I. -I\$(SRCPATH)"
 300 RCFLAGS="$RCFLAGS"
 301 HAVE_GETOPT_LONG=1
 302 cross_prefix=""
 303
 304 EXE=""
 305
 306 # list of all preprocessor HAVE values we can define
 307 CONFIG_HAVE="MALLOC_H ALTIVEC ALTIVEC_H MMX ARMV6 ARMV6T2 NEON BEOSTHREAD POSIXTHREAD WIN32THREAD THREAD LOG2F SWSCALE \
 308              LAVF FFMS GPAC AVS GPL VECTOREXT INTERLACED CPU_COUNT OPENCL THP LSMASH X86_INLINE_ASM"
 309
 310 # parse options
 311
 312 for opt do
 313     optarg="${opt#*=}"
 314     case "$opt" in
 315         --prefix=*)
 316             prefix="$optarg"
 317             ;;
 318         --exec-prefix=*)
 319             exec_prefix="$optarg"
 320             ;;
 321         --bindir=*)
 322             bindir="$optarg"
 323             ;;
 324         --libdir=*)
 325             libdir="$optarg"
 326             ;;
 327         --includedir=*)
 328             includedir="$optarg"
 329             ;;
 330         --disable-cli)
 331             cli="no"
 332             ;;
 333         --system-libx264)
 334             cli_libx264="system"
 335             ;;
 336         --enable-shared)
 337             shared="yes"
 338             ;;
 339         --enable-static)
 340             static="yes"
 341             ;;
 342         --disable-asm)
 343             asm="no"
 344             ;;
 345         --disable-interlaced)
 346             interlaced="no"
 347             ;;
 348         --disable-avs)
 349             avs="no"
 350             ;;
 351         --disable-lavf)
 352             lavf="no"
 353             ;;
 354         --disable-ffms)
 355             ffms="no"
 356             ;;
 357         --disable-gpac)
 358             gpac="no"
 359             ;;
 360         --disable-lsmash)
 361             lsmash="no"
 362             ;;
 363         --disable-gpl)
 364             gpl="no"
 365             ;;
 366         --extra-asflags=*)
 367             ASFLAGS="$ASFLAGS $optarg"
 368             ;;
 369         --extra-cflags=*)
 370             CFLAGS="$CFLAGS $optarg"
 371             ;;
 372         --extra-ldflags=*)
 373             LDFLAGS="$LDFLAGS $optarg"
 374             ;;
 375         --extra-rcflags=*)
 376             RCFLAGS="$RCFLAGS $optarg"
 377             ;;
 378         --disable-thread)
 379             thread="no"
 380             ;;
 381         --enable-win32thread)
 382             thread="win32"
 383             ;;
 384         --disable-swscale)
 385             swscale="no"
 386             ;;
 387         --enable-debug)
 388             debug="yes"
 389             ;;
 390         --enable-gprof)
 391             CFLAGS="$CFLAGS -pg"
 392             LDFLAGS="$LDFLAGS -pg"
 393             gprof="yes"
 394             ;;
 395         --enable-strip)
 396             strip="yes"
 397             ;;
 398         --enable-pic)
 399             pic="yes"
 400             ;;
 401         --host=*)
 402             host="$optarg"
 403             ;;
 404         --disable-opencl)
 405             opencl="no"
 406             ;;
 407         --cross-prefix=*)
 408             cross_prefix="$optarg"
 409             ;;
 410         --sysroot=*)
 411             CFLAGS="$CFLAGS --sysroot=$optarg"
 412             LDFLAGS="$LDFLAGS --sysroot=$optarg"
 413             ;;
 414         --bit-depth=*)
 415             bit_depth="$optarg"
 416             if [ "$bit_depth" -lt "8" -o "$bit_depth" -gt "10" ]; then
 417                 echo "Supplied bit depth must be in range [8,10]."
 418                 exit 1
 419             fi
 420             bit_depth=`expr $bit_depth + 0`
 421             ;;
 422         --chroma-format=*)
 423             chroma_format="$optarg"
 424             if [ $chroma_format != "420" -a $chroma_format != "422" -a $chroma_format != "444" -a $chroma_format != "all" ]; then
 425                 echo "Supplied chroma format must be 420, 422, 444 or all."
 426                 exit 1
 427             fi
 428             ;;
 429         *)
 430             echo "Unknown option $opt, ignored"
 431             ;;
 432     esac
 433 done
 434
 435 [ "$cli" = "no" -a "$shared" = "no" -a "$static" = "no" ] && die "Nothing to build. Enable cli, shared or static."
 436
 437 CC="${CC-${cross_prefix}gcc}"
 438 AR="${AR-${cross_prefix}ar}"
 439 RANLIB="${RANLIB-${cross_prefix}ranlib}"
 440 STRIP="${STRIP-${cross_prefix}strip}"
 441 INSTALL="${INSTALL-install}"
 442
 443 if [ "x$host" = x ]; then
 444     host=`${SRCPATH}/config.guess`
 445 fi
 446 # normalize a triplet into a quadruplet
 447 host=`${SRCPATH}/config.sub $host`
 448
 449 # split $host
 450 host_cpu="${host%%-*}"
 451 host="${host#*-}"
 452 host_vendor="${host%%-*}"
 453 host_os="${host#*-}"
 454
 455 # test for use of compilers that require specific handling
 456 cc_base=`basename "$CC"`
 457 QPRE="-"
 458 if [[ $host_os = mingw* || $host_os = cygwin* ]]; then
 459     if [[ "$cc_base" = icl || "$cc_base" = icl.* ]]; then
 460         # Windows Intel Compiler creates dependency generation with absolute Windows paths, Cygwin's make does not support Windows paths.
 461         [[ $host_os = cygwin* ]] && die "Windows Intel Compiler support requires MSYS"
 462         compiler=ICL
 463         compiler_style=MS
 464         CFLAGS="$CFLAGS -Qstd=c99 -nologo -Qms0 -DHAVE_STRING_H -I\$(SRCPATH)/extras"
 465         QPRE="-Q"
 466         `$CC 2>&1 | grep -q IA-32` && host_cpu=i486
 467         `$CC 2>&1 | grep -q "Intel(R) 64"` && host_cpu=x86_64
 468         cpp_check "" "" "_MSC_VER >= 1400" || die "Windows Intel Compiler support requires Visual Studio 2005 or newer"
 469     elif [[ "$cc_base" = cl || "$cc_base" = cl.* ]]; then
 470         # Standard Microsoft Visual Studio
 471         # Dependency creation includes absolute windows paths, Cygwin's make does not support Windows paths.
 472         [[ $host_os = cygwin* ]] && die "Microsoft Visual Studio support requires MSYS"
 473         compiler=CL
 474         compiler_style=MS
 475         CFLAGS="$CFLAGS -nologo -DHAVE_STRING_H -I\$(SRCPATH)/extras"
 476         `$CC 2>&1 | grep -q 'for x86'` && host_cpu=i486
 477         `$CC 2>&1 | grep -q 'for x64'` && host_cpu=x86_64
 478         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"
 479     fi
 480 else
 481     if [[ "$cc_base" = icc || "$cc_base" = icc.* ]]; then
 482         AR="xiar"
 483         compiler=ICC
 484     fi
 485 fi
 486
 487 libm=""
 488 case $host_os in
 489     beos*)
 490         SYS="BEOS"
 491         define HAVE_MALLOC_H
 492         ;;
 493     darwin*)
 494         SYS="MACOSX"
 495         libm="-lm"
 496         if [ "$pic" = "no" ]; then
 497             cc_check "" -mdynamic-no-pic && CFLAGS="$CFLAGS -mdynamic-no-pic"
 498         fi
 499         ;;
 500     freebsd*)
 501         SYS="FREEBSD"
 502         libm="-lm"
 503         ;;
 504     kfreebsd*-gnu)
 505         SYS="FREEBSD"
 506         define HAVE_MALLOC_H
 507         libm="-lm"
 508         ;;
 509     netbsd*)
 510         SYS="NETBSD"
 511         libm="-lm"
 512         ;;
 513     openbsd*)
 514         SYS="OPENBSD"
 515         libm="-lm"
 516         ;;
 517     *linux*)
 518         SYS="LINUX"
 519         define HAVE_MALLOC_H
 520         libm="-lm"
 521         ;;
 522     gnu*)
 523         SYS="HURD"
 524         define HAVE_MALLOC_H
 525         libm="-lm"
 526         ;;
 527     cygwin*)
 528         EXE=".exe"
 529         if cc_check "" -mno-cygwin; then
 530             CFLAGS="$CFLAGS -mno-cygwin"
 531             LDFLAGS="$LDFLAGS -mno-cygwin"
 532         fi
 533         if cpp_check "" "" "defined(__CYGWIN__)" ; then
 534             define HAVE_MALLOC_H
 535             SYS="CYGWIN"
 536         else
 537             SYS="WINDOWS"
 538             DEVNULL="NUL"
 539             LDFLAGSCLI="$LDFLAGSCLI -lshell32"
 540             RC="${RC-${cross_prefix}windres}"
 541         fi
 542         ;;
 543     mingw*)
 544         SYS="WINDOWS"
 545         EXE=".exe"
 546         DEVNULL="NUL"
 547         LDFLAGSCLI="$LDFLAGSCLI -lshell32"
 548         [ $compiler = GNU ] && RC="${RC-${cross_prefix}windres}" || RC="${RC-rc}"
 549         ;;
 550     sunos*|solaris*)
 551         SYS="SunOS"
 552         define HAVE_MALLOC_H
 553         libm="-lm"
 554         if cc_check "" /usr/lib/64/values-xpg6.o; then
 555             LDFLAGS="$LDFLAGS /usr/lib/64/values-xpg6.o"
 556         else
 557             LDFLAGS="$LDFLAGS /usr/lib/values-xpg6.o"
 558         fi
 559         if test -x /usr/ucb/install ; then
 560             INSTALL=/usr/ucb/install
 561         elif test -x /usr/bin/ginstall ; then
 562             # OpenSolaris
 563             INSTALL=/usr/bin/ginstall
 564         elif test -x /usr/gnu/bin/install ; then
 565             # OpenSolaris
 566             INSTALL=/usr/gnu/bin/install
 567         fi
 568         HAVE_GETOPT_LONG=0
 569         ;;
 570     *qnx*)
 571         SYS="QNX"
 572         define HAVE_MALLOC_H
 573         libm="-lm"
 574         HAVE_GETOPT_LONG=0
 575         CFLAGS="$CFLAGS -I\$(SRCPATH)/extras"
 576         ;;
 577     *)
 578         die "Unknown system $host, edit the configure"
 579         ;;
 580 esac
 581
 582 LDFLAGS="$LDFLAGS $libm"
 583
 584 stack_alignment=16
 585 case $host_cpu in
 586     i*86)
 587         ARCH="X86"
 588         AS="yasm"
 589         ASFLAGS="$ASFLAGS -O2 -DARCH_X86_64=0 -I\$(SRCPATH)/common/x86/"
 590         if [ $compiler = GNU ]; then
 591             if [[ "$asm" == auto && "$CFLAGS" != *-march* ]]; then
 592                 CFLAGS="$CFLAGS -march=i686"
 593             fi
 594             if [[ "$asm" == auto && "$CFLAGS" != *-mfpmath* ]]; then
 595                 CFLAGS="$CFLAGS -mfpmath=sse -msse"
 596             fi
 597             CFLAGS="-m32 $CFLAGS"
 598             LDFLAGS="-m32 $LDFLAGS"
 599         elif [ $compiler = ICC ]; then
 600             # icc on linux has various degrees of mod16 stack support
 601             if [ $SYS = LINUX ]; then
 602                 # < 11 is completely incapable of keeping a mod16 stack
 603                 if cpp_check "" "" "__INTEL_COMPILER < 1100" ; then
 604                     stack_alignment=4
 605                 # 11 <= x < 12 is capable of keeping a mod16 stack, but defaults to not doing so.
 606                 elif cpp_check "" "" "__INTEL_COMPILER < 1200" ; then
 607                     CFLAGS="$CFLAGS -falign-stack=assume-16-byte"
 608                 fi
 609                 # >= 12 defaults to a mod16 stack
 610             fi
 611         else # ICL/CL
 612             # always a mod4 stack
 613             stack_alignment=4
 614         fi
 615         if [ "$SYS" = MACOSX ]; then
 616             ASFLAGS="$ASFLAGS -f macho -DPREFIX"
 617         elif [ "$SYS" = WINDOWS -o "$SYS" = CYGWIN ]; then
 618             ASFLAGS="$ASFLAGS -f win32 -DPREFIX"
 619             LDFLAGS="$LDFLAGS -Wl,--large-address-aware"
 620             [ $compiler = GNU ] && LDFLAGS="$LDFLAGS -Wl,--nxcompat -Wl,--dynamicbase"
 621             [ $compiler = GNU ] && RCFLAGS="--target=pe-i386 $RCFLAGS"
 622         else
 623             ASFLAGS="$ASFLAGS -f elf"
 624         fi
 625         ;;
 626     x86_64)
 627         ARCH="X86_64"
 628         AS="yasm"
 629         ASFLAGS="$ASFLAGS -DARCH_X86_64=1 -I\$(SRCPATH)/common/x86/"
 630         [ $compiler = GNU ] && CFLAGS="-m64 $CFLAGS" && LDFLAGS="-m64 $LDFLAGS"
 631         if [ "$SYS" = MACOSX ]; then
 632             ASFLAGS="$ASFLAGS -f macho64 -m amd64 -DPIC -DPREFIX"
 633             if cc_check '' "-arch x86_64"; then
 634                 CFLAGS="$CFLAGS -arch x86_64"
 635                 LDFLAGS="$LDFLAGS -arch x86_64"
 636             fi
 637         elif [ "$SYS" = WINDOWS -o "$SYS" = CYGWIN ]; then
 638             ASFLAGS="$ASFLAGS -f win32 -m amd64"
 639             # only the GNU toolchain is inconsistent in prefixing function names with _
 640             [ $compiler = GNU ] && cc_check "" "-S" && grep -q "_main:" conftest && ASFLAGS="$ASFLAGS -DPREFIX"
 641             [ $compiler = GNU ] && LDFLAGS="$LDFLAGS -Wl,--nxcompat -Wl,--dynamicbase"
 642             [ $compiler = GNU ] && RCFLAGS="--target=pe-x86-64 $RCFLAGS"
 643         else
 644             ASFLAGS="$ASFLAGS -f elf -m amd64"
 645         fi
 646         ;;
 647     powerpc|powerpc64)
 648         ARCH="PPC"
 649         if [ $asm = auto ] ; then
 650             define HAVE_ALTIVEC
 651             AS="${AS-${CC}}"
 652             if [ $SYS = MACOSX ] ; then
 653                 CFLAGS="$CFLAGS -faltivec -fastf -mcpu=G4"
 654             else
 655                 CFLAGS="$CFLAGS -maltivec -mabi=altivec"
 656                 define HAVE_ALTIVEC_H
 657             fi
 658         fi
 659         ;;
 660     sparc)
 661         ARCH="SPARC"
 662         ;;
 663     mips|mipsel|mips64|mips64el)
 664         ARCH="MIPS"
 665         ;;
 666     arm*)
 667         ARCH="ARM"
 668         if [ "$SYS" = MACOSX ] ; then
 669             AS="${AS-extras/gas-preprocessor.pl $CC}"
 670             ASFLAGS="$ASFLAGS -DPREFIX -DPIC"  # apple's ld doesn't support movw/movt relocations at all
 671             # build for armv7 by default
 672             if ! echo $CFLAGS | grep -Eq '\-arch' ; then
 673                 CFLAGS="$CFLAGS -arch armv7"
 674                 LDFLAGS="$LDFLAGS -arch armv7"
 675             fi
 676         else
 677             AS="${AS-${CC}}"
 678         fi
 679         ;;
 680     s390|s390x)
 681         ARCH="S390"
 682         ;;
 683     hppa*|parisc*)
 684         ARCH="PARISC"
 685         ;;
 686     ia64)
 687         ARCH="IA64"
 688         ;;
 689     alpha*)
 690         ARCH="ALPHA"
 691         ;;
 692     *)
 693         ARCH="$(echo $host_cpu | tr a-z A-Z)"
 694         ;;
 695 esac
 696
 697 if [ $SYS = WINDOWS ]; then
 698     if ! rc_check "0 RCDATA {0}" ; then
 699         RC=""
 700     fi
 701 fi
 702
 703 log_msg "x264 configure script"
 704 if [ -n "$*" ]; then
 705     msg="Command line options:"
 706     for i in $@; do
 707         msg="$msg \"$i\""
 708     done
 709     log_msg "$msg"
 710 fi
 711 log_msg ""
 712
 713 # check requirements
 714
 715 cc_check || die "No working C compiler found."
 716
 717 if [ $compiler_style = GNU ]; then
 718     if cc_check '' -std=gnu99 'for( int i = 0; i < 9; i++ );' ; then
 719         CFLAGS="$CFLAGS -std=gnu99"
 720     elif cc_check '' -std=c99 'for( int i = 0; i < 9; i++ );' ; then
 721         CFLAGS="$CFLAGS -std=c99 -D_POSIX_C_SOURCE=200112L -D_BSD_SOURCE"
 722     elif ! cc_check '' '' 'for( int i = 0; i < 9; i++ );' ; then
 723         die "C99 compiler is needed for compilation."
 724     fi
 725 fi
 726
 727 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
 728     pic="yes"
 729 fi
 730
 731 if [ $asm = auto -a \( $ARCH = X86 -o $ARCH = X86_64 \) ] ; then
 732     if ! as_check "vpmovzxwd ymm0, xmm0" ; then
 733         VER=`($AS --version || echo no assembler) 2>/dev/null | head -n 1`
 734         echo "Found $VER"
 735         echo "Minimum version is yasm-1.2.0"
 736         echo "If you really want to compile without asm, configure with --disable-asm."
 737         exit 1
 738     fi
 739     cc_check '' '' '__asm__("pabsw %xmm0, %xmm0");' && define HAVE_X86_INLINE_ASM
 740     ASFLAGS="$ASFLAGS -Worphan-labels"
 741     define HAVE_MMX
 742     if [ $compiler = GNU ] && cc_check '' -mpreferred-stack-boundary=5 ; then
 743         CFLAGS="$CFLAGS -mpreferred-stack-boundary=5"
 744         stack_alignment=32
 745     fi
 746 fi
 747
 748 if [ $asm = auto -a $ARCH = ARM ] ; then
 749     # set flags so neon is built by default
 750     echo $CFLAGS | grep -Eq '(-mcpu|-march|-mfpu)' || CFLAGS="$CFLAGS -mcpu=cortex-a8 -mfpu=neon"
 751
 752     if  cc_check '' '' '__asm__("rev ip, ip");' ; then      define HAVE_ARMV6
 753         cc_check '' '' '__asm__("movt r0, #0");'         && define HAVE_ARMV6T2
 754         cc_check '' '' '__asm__("vadd.i16 q0, q0, q0");' && define HAVE_NEON
 755         ASFLAGS="$ASFLAGS -c"
 756     else
 757         echo "You specified a pre-ARMv6 or Thumb-1 CPU in your CFLAGS."
 758         echo "If you really want to run on such a CPU, configure with --disable-asm."
 759         exit 1
 760     fi
 761 fi
 762
 763 [ $asm = no ] && AS=""
 764 [ "x$AS" = x ] && asm="no" || asm="yes"
 765
 766 define ARCH_$ARCH
 767 define SYS_$SYS
 768
 769 define STACK_ALIGNMENT $stack_alignment
 770 ASFLAGS="$ASFLAGS -DSTACK_ALIGNMENT=$stack_alignment"
 771
 772 # 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
 773 if [ $compiler = GNU ]; then
 774     echo "int i[2] = {0x42494745,0}; double f[2] = {0x1.0656e6469616ep+102,0};" > conftest.c
 775     $CC $CFLAGS conftest.c -c -o conftest.o 2>/dev/null || die "endian test failed"
 776     if (${cross_prefix}strings -a conftest.o | grep -q BIGE) && (${cross_prefix}strings -a conftest.o | grep -q FPendian) ; then
 777         define WORDS_BIGENDIAN
 778     elif !(${cross_prefix}strings -a conftest.o | grep -q EGIB && ${cross_prefix}strings -a conftest.o | grep -q naidnePF) ; then
 779         die "endian test failed"
 780     fi
 781 fi
 782
 783 # autodetect options that weren't forced nor disabled
 784
 785 # pthread-win32 is lgpl, prevent its use if --disable-gpl is specified and targeting windows
 786 [ "$SYS" = "WINDOWS" -a "$gpl" = "no" -a "$thread" = "auto" ] && thread="win32"
 787
 788 libpthread=""
 789 if [ "$thread" = "auto" ]; then
 790     thread="no"
 791     case $SYS in
 792         BEOS)
 793             thread="beos"
 794             define HAVE_BEOSTHREAD
 795             ;;
 796         WINDOWS)
 797             if cc_check pthread.h -lpthread "pthread_create(0,0,0,0);" ; then
 798                 thread="posix"
 799                 libpthread="-lpthread"
 800             elif cc_check pthread.h -lpthreadGC2 "pthread_create(0,0,0,0);" ; then
 801                 thread="posix"
 802                 libpthread="-lpthreadGC2"
 803             elif cc_check pthread.h "-lpthreadGC2 -lwsock32 -DPTW32_STATIC_LIB" "pthread_create(0,0,0,0);" ; then
 804                 thread="posix"
 805                 libpthread="-lpthreadGC2 -lwsock32"
 806                 define PTW32_STATIC_LIB
 807             elif cc_check pthread.h "-lpthreadGC2 -lws2_32 -DPTW32_STATIC_LIB" "pthread_create(0,0,0,0);" ; then
 808                 thread="posix"
 809                 libpthread="-lpthreadGC2 -lws2_32"
 810                 define PTW32_STATIC_LIB
 811             else
 812                 # default to native threading if pthread-win32 is unavailable
 813                 thread="win32"
 814             fi
 815             ;;
 816         QNX)
 817             cc_check pthread.h -lc "pthread_create(0,0,0,0);" && thread="posix" && libpthread="-lc"
 818             ;;
 819         *)
 820             if cc_check pthread.h -lpthread "pthread_create(0,0,0,0);" ; then
 821                thread="posix"
 822                libpthread="-lpthread"
 823             else
 824                 cc_check pthread.h "" "pthread_create(0,0,0,0);" && thread="posix" && libpthread=""
 825             fi
 826             ;;
 827     esac
 828 fi
 829 if [ "$thread" = "posix" ]; then
 830     LDFLAGS="$LDFLAGS $libpthread"
 831     define HAVE_POSIXTHREAD
 832     if [ "$SYS" = "LINUX" ] && cc_check sched.h "-D_GNU_SOURCE -Werror" "cpu_set_t p_aff; return CPU_COUNT(&p_aff);" ; then
 833         define HAVE_CPU_COUNT
 834     fi
 835 fi
 836 if [ "$thread" = "win32" ]; then
 837     # cygwin does not support win32 threads
 838     if [ "$SYS" = "WINDOWS" ]; then
 839         define HAVE_WIN32THREAD
 840     else
 841         thread="no"
 842     fi
 843 fi
 844 [ "$thread" != "no" ] && define HAVE_THREAD
 845
 846 if cc_check "math.h" "-Werror" "return log2f(2);" ; then
 847     define HAVE_LOG2F
 848 fi
 849
 850 if [ "$SYS" = "LINUX" -a \( "$ARCH" = "X86" -o "$ARCH" = "X86_64" \) ] && cc_check "sys/mman.h" "" "MADV_HUGEPAGE;" ; then
 851     define HAVE_THP
 852 fi
 853
 854 if [ "$swscale" = "auto" ] ; then
 855     swscale="no"
 856     if ${cross_prefix}pkg-config --exists libswscale 2>/dev/null; then
 857         SWSCALE_LIBS="$SWSCALE_LIBS $(${cross_prefix}pkg-config --libs libswscale libavutil)"
 858         SWSCALE_CFLAGS="$SWSCALE_CFLAGS $(${cross_prefix}pkg-config --cflags libswscale libavutil)"
 859     fi
 860     [ -z "$SWSCALE_LIBS" ] && SWSCALE_LIBS="-lswscale -lavutil"
 861
 862     if cc_check "libswscale/swscale.h" "$SWSCALE_CFLAGS $SWSCALE_LIBS" "sws_init_context(0,0,0);" ; then
 863         if cpp_check "libavutil/pixdesc.h" "$SWSCALE_CFLAGS $SWSCALE_LIBS" "defined(AV_PIX_FMT_FLAG_RGB)" ; then
 864             swscale="yes"
 865         else
 866             echo "Warning: AV_PIX_FMT_FLAG_RGB is missing from libavutil, update for swscale support"
 867         fi
 868     fi
 869 fi
 870
 871 if [ "$lavf" = "auto" ] ; then
 872     lavf="no"
 873     if ${cross_prefix}pkg-config --exists libavformat libavcodec libswscale 2>/dev/null; then
 874         LAVF_LIBS="$LAVF_LIBS $(${cross_prefix}pkg-config --libs libavformat libavcodec libavutil libswscale)"
 875         LAVF_CFLAGS="$LAVF_CFLAGS $(${cross_prefix}pkg-config --cflags libavformat libavcodec libavutil libswscale)"
 876     fi
 877     if [ -z "$LAVF_LIBS" -a -z "$LAVF_CFLAGS" ]; then
 878         LAVF_LIBS="-lavformat"
 879         for lib in -lpostproc -lavcodec -lswscale -lavutil -lm -lz -lbz2 $libpthread -lavifil32 -lws2_32; do
 880             cc_check "" $lib && LAVF_LIBS="$LAVF_LIBS $lib"
 881         done
 882     fi
 883     LAVF_LIBS="-L. $LAVF_LIBS"
 884     if cc_check libavformat/avformat.h "$LAVF_CFLAGS $LAVF_LIBS" "avformat_close_input(0);" ; then
 885         if [ "$swscale" = "yes" ]; then
 886             lavf="yes"
 887         else
 888             echo "Warning: libavformat is not supported without swscale support"
 889         fi
 890     fi
 891 fi
 892
 893 if [ "$ffms" = "auto" ] ; then
 894     ffms_major="2"; ffms_minor="16"; ffms_micro="2"; ffms_bump="0"
 895     ffms="no"
 896
 897     if ${cross_prefix}pkg-config --exists ffms2 2>/dev/null; then
 898         FFMS2_LIBS="$FFMS2_LIBS $(${cross_prefix}pkg-config --libs ffms2)"
 899         FFMS2_CFLAGS="$FFMS2_CFLAGS $(${cross_prefix}pkg-config --cflags ffms2)"
 900     fi
 901     [ -z "$FFMS2_LIBS" ] && FFMS2_LIBS="-lffms2"
 902
 903     if cc_check ffms.h "$FFMS2_CFLAGS $FFMS2_LIBS" "FFMS_DestroyVideoSource(0);" ; then
 904         ffms="yes"
 905     elif cc_check ffms.h "$FFMS2_CFLAGS $FFMS2_LIBS -lstdc++ $LAVF_LIBS" "FFMS_DestroyVideoSource(0);" ; then
 906         ffms="yes"
 907         FFMS2_LIBS="$FFMS2_LIBS -lstdc++ $LAVF_LIBS"
 908     fi
 909
 910     error="ffms must be at least version $ffms_major.$ffms_minor.$ffms_micro.$ffms_bump"
 911     if [ $ffms = "yes" ] && ! cpp_check "ffms.h" "$FFMS2_CFLAGS" "FFMS_VERSION >= (($ffms_major << 24) | ($ffms_minor << 16) | ($ffms_micro << 8) | $ffms_bump)" "$error"; then
 912        ffms="no"
 913        echo "Warning: $error"
 914     fi
 915     if [ "$ffms" = "yes" -a "$swscale" = "no" ]; then
 916         echo "Warning: ffms is not supported without swscale support"
 917         ffms="no"
 918     fi
 919 fi
 920
 921 if [ "$swscale" = "yes" ]; then
 922     LDFLAGSCLI="$SWSCALE_LIBS $LDFLAGSCLI"
 923     CFLAGS="$CFLAGS $SWSCALE_CFLAGS"
 924     define HAVE_SWSCALE
 925     if [ "$lavf" = "yes" ]; then
 926         LDFLAGSCLI="$LAVF_LIBS $LDFLAGSCLI"
 927         CFLAGS="$CFLAGS $LAVF_CFLAGS"
 928         define HAVE_LAVF
 929     fi
 930     if [ "$ffms" = "yes" ]; then
 931         LDFLAGSCLI="$FFMS2_LIBS $LDFLAGSCLI"
 932         CFLAGS="$CFLAGS $FFMS2_CFLAGS"
 933         define HAVE_FFMS
 934     fi
 935 fi
 936
 937 if [ "$lsmash" = "auto" ] ; then
 938     lsmash="no"
 939     if ${cross_prefix}pkg-config --exists liblsmash 2>/dev/null; then
 940         LSMASH_LIBS="$LSMASH_LIBS $(${cross_prefix}pkg-config --libs liblsmash)"
 941         LSMASH_CFLAGS="$LSMASH_CFLAGS $(${cross_prefix}pkg-config --cflags liblsmash)"
 942     fi
 943     [ -z "$LSMASH_LIBS" ] && LSMASH_LIBS="-llsmash"
 944
 945     if cc_check lsmash.h "$LSMASH_CFLAGS $LSMASH_LIBS" ; then
 946         if cpp_check lsmash.h "$LSMASH_CFLAGS" "LSMASH_VERSION_MAJOR > 1 || (LSMASH_VERSION_MAJOR == 1 && LSMASH_VERSION_MINOR >= 5)" ; then
 947             lsmash="yes"
 948         else
 949             echo "Warning: lsmash is too old, update to rev.895 or later"
 950         fi
 951     fi
 952 fi
 953
 954 if [ "$gpac" = "auto" -a "$lsmash" != "yes" ] ; then
 955     gpac="no"
 956     GPAC_LIBS="-lgpac_static"
 957     cc_check "" -lz && GPAC_LIBS="$GPAC_LIBS -lz"
 958     if [ "$SYS" = "WINDOWS" ] ; then
 959         cc_check "" -lws2_32 && GPAC_LIBS="$GPAC_LIBS -lws2_32"
 960         cc_check "" -lwinmm && GPAC_LIBS="$GPAC_LIBS -lwinmm"
 961     fi
 962     if cc_check gpac/isomedia.h "$GPAC_LIBS" ; then
 963         if cc_check gpac/isomedia.h "$GPAC_LIBS" "gf_isom_set_pixel_aspect_ratio(0,0,0,0,0);" ; then
 964             gpac="yes"
 965         else
 966             echo "Warning: gpac is too old, update to 2007-06-21 UTC or later"
 967         fi
 968     fi
 969 fi
 970
 971 if [ "$lsmash" = "yes" ] ; then
 972     mp4="lsmash"
 973     LDFLAGSCLI="$LSMASH_LIBS $LDFLAGSCLI"
 974     CFLAGS="$CFLAGS $LSMASH_CFLAGS"
 975     define HAVE_LSMASH
 976 elif [ "$gpac" = "yes" ] ; then
 977     mp4="gpac"
 978     define HAVE_GPAC
 979     LDFLAGSCLI="$GPAC_LIBS $LDFLAGSCLI"
 980 fi
 981
 982 if [ "$avs" = "auto" ] ; then
 983     avs="no"
 984     # cygwin can use avisynth if it can use LoadLibrary
 985     if [ $SYS = WINDOWS ] || ([ $SYS = CYGWIN ] && cc_check windows.h "" "LoadLibraryW(0);") ; then
 986         avs="avisynth"
 987         define HAVE_AVS
 988         define USE_AVXSYNTH 0
 989     elif [ "$SYS" = "LINUX" -o "$SYS" = "MACOSX" ] ; then
 990     # AvxSynth currently only supports Linux and OSX
 991         avs="avxsynth"
 992         define HAVE_AVS
 993         define USE_AVXSYNTH 1
 994         AVS_LIBS="-ldl"
 995         LDFLAGSCLI="$AVS_LIBS $LDFLAGSCLI"
 996     fi
 997 fi
 998
 999 cc_check "stdint.h" "" "uint32_t test_vec __attribute__ ((vector_size (16))) = {0,1,2,3};" && define HAVE_VECTOREXT
1000
1001 if [ "$pic" = "yes" ] ; then
1002     CFLAGS="$CFLAGS -fPIC"
1003     ASFLAGS="$ASFLAGS -DPIC"
1004     # resolve textrels in the x86 asm
1005     cc_check stdio.h "-shared -Wl,-Bsymbolic" && SOFLAGS="$SOFLAGS -Wl,-Bsymbolic"
1006     [ $SYS = SunOS -a "$ARCH" = "X86" ] && SOFLAGS="$SOFLAGS -mimpure-text"
1007 fi
1008
1009 if [ "$debug" != "yes" -a "$gprof" != "yes" ]; then
1010     CFLAGS="$CFLAGS -fomit-frame-pointer"
1011 fi
1012
1013 if [ "$strip" = "yes" ]; then
1014     LDFLAGS="$LDFLAGS -s"
1015 fi
1016
1017 if [ "$debug" = "yes" ]; then
1018     CFLAGS="-O1 -g $CFLAGS"
1019 else
1020     CFLAGS="-O3 -ffast-math $CFLAGS"
1021 fi
1022
1023 if cc_check '' -fno-tree-vectorize ; then
1024     CFLAGS="$CFLAGS -fno-tree-vectorize"
1025 fi
1026
1027 if [ $SYS = WINDOWS -a $ARCH = X86 -a $compiler = GNU ] ; then
1028     # workaround gcc/ld bug with alignment of static variables/arrays that are initialized to zero
1029     cc_check '' -fno-zero-initialized-in-bss && CFLAGS="$CFLAGS -fno-zero-initialized-in-bss"
1030 fi
1031
1032 if cc_check "stdio.h" "" "fseeko(stdin,0,0);" ; then
1033     define fseek fseeko
1034     define ftell ftello
1035 elif cc_check "stdio.h" "" "fseeko64(stdin,0,0);" ; then
1036     define fseek fseeko64
1037     define ftell ftello64
1038 elif cc_check "stdio.h" "" "_fseeki64(stdin,0,0);" ; then
1039     define fseek _fseeki64
1040     define ftell _ftelli64
1041 fi
1042
1043 if cc_check '' -Wshadow ; then
1044     CFLAGS="-Wshadow $CFLAGS"
1045 fi
1046
1047 if cc_check '' -Wmaybe-uninitialized ; then
1048     CFLAGS="-Wno-maybe-uninitialized $CFLAGS"
1049 fi
1050
1051 if [ "$bit_depth" -gt "8" ]; then
1052     define HIGH_BIT_DEPTH
1053     ASFLAGS="$ASFLAGS -DHIGH_BIT_DEPTH=1"
1054     opencl="no"
1055 else
1056     ASFLAGS="$ASFLAGS -DHIGH_BIT_DEPTH=0"
1057 fi
1058
1059 if [ "$chroma_format" != "all" ]; then
1060     define CHROMA_FORMAT CHROMA_$chroma_format
1061 fi
1062
1063 ASFLAGS="$ASFLAGS -DBIT_DEPTH=$bit_depth"
1064
1065 [ $gpl = yes ] && define HAVE_GPL && x264_gpl=1 || x264_gpl=0
1066
1067 [ $interlaced = yes ] && define HAVE_INTERLACED && x264_interlaced=1 || x264_interlaced=0
1068
1069 libdl=""
1070 if [ "$opencl" = "yes" ]; then
1071     opencl="no"
1072     # cygwin can use opencl if it can use LoadLibrary
1073     if [ $SYS = WINDOWS ] || ([ $SYS = CYGWIN ] && cc_check windows.h "" "LoadLibraryW(0);") ; then
1074         opencl="yes"
1075         define HAVE_OPENCL
1076     elif [ "$SYS" = "LINUX" -o "$SYS" = "MACOSX" ] ; then
1077         opencl="yes"
1078         define HAVE_OPENCL
1079         libdl="-ldl"
1080     fi
1081     LDFLAGS="$LDFLAGS $libdl"
1082 fi
1083
1084 #define undefined vars as 0
1085 for var in $CONFIG_HAVE; do
1086     grep -q "HAVE_$var 1" config.h || define HAVE_$var 0
1087 done
1088
1089 DEPMM="${QPRE}MM"
1090 DEPMT="${QPRE}MT"
1091 if [ $compiler_style = MS ]; then
1092     AR="lib -nologo -out:"
1093     LD="link -out:"
1094     [ $compiler = ICL ] && AR="xi$AR" && LD="xi$LD"
1095     HAVE_GETOPT_LONG=0
1096     LDFLAGS="-nologo -incremental:no $(cl_ldflags $LDFLAGS)"
1097     LDFLAGSCLI="$(cl_ldflags $LDFLAGSCLI)"
1098     LIBX264=libx264.lib
1099     RANLIB=
1100     [ -n "$RC" ] && RCFLAGS="$RCFLAGS -nologo -I. -I\$(SRCPATH)/extras -fo"
1101     STRIP=
1102     if [ $debug = yes ]; then
1103         LDFLAGS="-debug $LDFLAGS"
1104         CFLAGS="-D_DEBUG $CFLAGS"
1105     else
1106         CFLAGS="-DNDEBUG $CFLAGS"
1107     fi
1108 else # gcc/icc
1109     DEPMM="$DEPMM -g0"
1110     AR="$AR rc "
1111     LD="$CC -o "
1112     LIBX264=libx264.a
1113     [ -n "$RC" ] && RCFLAGS="$RCFLAGS -I. -o "
1114 fi
1115 [ $compiler != GNU ] && CFLAGS="$(cc_cflags $CFLAGS)"
1116 if [ $compiler = ICC -o $compiler = ICL ]; then
1117     # icc does not define __SSE__ until SSE2 optimization and icl never defines it or _M_IX86_FP
1118     [ \( $ARCH = X86_64 -o $ARCH = X86 \) -a $asm = yes ] && ! cpp_check "" "" "defined(__SSE__)" && define __SSE__
1119     PROF_GEN_CC="${QPRE}prof-gen ${QPRE}prof-dir."
1120     PROF_GEN_LD=
1121     PROF_USE_CC="${QPRE}prof-use ${QPRE}prof-dir."
1122     PROF_USE_LD=
1123 elif [ $compiler = CL ]; then
1124     # Visual Studio
1125     # _M_IX86_FP is only defined on x86
1126     [ $ARCH = X86 ] && cpp_check '' '' '_M_IX86_FP >= 1' && define __SSE__
1127     [ $ARCH = X86_64 ] && define __SSE__
1128     # As long as the cli application can't link against the dll, the dll can not be pgo'd.
1129     # pgds are link flag specific and the -dll flag for creating the dll makes it unshareable with the cli
1130     PROF_GEN_CC="-GL"
1131     PROF_GEN_LD="-LTCG:PGINSTRUMENT"
1132     PROF_USE_CC="-GL"
1133     PROF_USE_LD="-LTCG:PGOPTIMIZE"
1134 else
1135     PROF_GEN_CC="-fprofile-generate"
1136     PROF_GEN_LD="-fprofile-generate"
1137     PROF_USE_CC="-fprofile-use"
1138     PROF_USE_LD="-fprofile-use"
1139 fi
1140
1141 rm -f conftest*
1142
1143 # generate exported config file
1144
1145 config_chroma_format="X264_CSP_I$chroma_format"
1146 [ "$config_chroma_format" == "X264_CSP_Iall" ] && config_chroma_format="0"
1147 cat > x264_config.h << EOF
1148 #define X264_BIT_DEPTH     $bit_depth
1149 #define X264_GPL           $x264_gpl
1150 #define X264_INTERLACED    $x264_interlaced
1151 #define X264_CHROMA_FORMAT $config_chroma_format
1152 EOF
1153
1154 # generate config files
1155
1156 cat > config.mak << EOF
1157 SRCPATH=$SRCPATH
1158 prefix=$prefix
1159 exec_prefix=$exec_prefix
1160 bindir=$bindir
1161 libdir=$libdir
1162 includedir=$includedir
1163 ARCH=$ARCH
1164 SYS=$SYS
1165 CC=$CC
1166 CFLAGS=$CFLAGS
1167 COMPILER=$compiler
1168 COMPILER_STYLE=$compiler_style
1169 DEPMM=$DEPMM
1170 DEPMT=$DEPMT
1171 LD=$LD
1172 LDFLAGS=$LDFLAGS
1173 LIBX264=$LIBX264
1174 AR=$AR
1175 RANLIB=$RANLIB
1176 STRIP=$STRIP
1177 INSTALL=$INSTALL
1178 AS=$AS
1179 ASFLAGS=$ASFLAGS
1180 RC=$RC
1181 RCFLAGS=$RCFLAGS
1182 EXE=$EXE
1183 HAVE_GETOPT_LONG=$HAVE_GETOPT_LONG
1184 DEVNULL=$DEVNULL
1185 PROF_GEN_CC=$PROF_GEN_CC
1186 PROF_GEN_LD=$PROF_GEN_LD
1187 PROF_USE_CC=$PROF_USE_CC
1188 PROF_USE_LD=$PROF_USE_LD
1189 HAVE_OPENCL=$opencl
1190 EOF
1191
1192 if [ $compiler_style = MS ]; then
1193     echo '%.o: %.c' >> config.mak
1194     echo '      $(CC) $(CFLAGS) -c -Fo$@ $<' >> config.mak
1195 fi
1196
1197 if [ "$cli" = "yes" ]; then
1198     echo 'default: cli' >> config.mak
1199     echo 'install: install-cli' >> config.mak
1200 fi
1201
1202 if [ "$shared" = "yes" ]; then
1203     API=$(grep '#define X264_BUILD' < ${SRCPATH}/x264.h | cut -f 3 -d ' ')
1204     if [ "$SYS" = "WINDOWS" -o "$SYS" = "CYGWIN" ]; then
1205         echo "SONAME=libx264-$API.dll" >> config.mak
1206         if [ $compiler_style = MS ]; then
1207             echo 'IMPLIBNAME=libx264.dll.lib' >> config.mak
1208             # GNU ld on windows defaults to exporting all global functions if there are no explicit __declspec(dllexport) declarations
1209             # 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
1210             echo "SOFLAGS=-dll -def:x264.def -implib:\$(IMPLIBNAME) $SOFLAGS" >> config.mak
1211             echo "EXPORTS" > x264.def
1212             # export API functions
1213             grep "^\(int\|void\|x264_t\).*x264" ${SRCPATH}/x264.h | sed -e "s/.*\(x264.*\)(.*/\1/;s/open/open_$API/g" >> x264.def
1214             # export API variables/data. must be flagged with the DATA keyword
1215             grep "extern.*x264" ${SRCPATH}/x264.h | sed -e "s/.*\(x264\w*\)\W.*/\1 DATA/;" >> x264.def
1216         else
1217             echo 'IMPLIBNAME=libx264.dll.a' >> config.mak
1218             echo "SOFLAGS=-shared -Wl,--out-implib,\$(IMPLIBNAME) -Wl,--enable-auto-image-base $SOFLAGS" >> config.mak
1219         fi
1220     elif [ "$SYS" = "MACOSX" ]; then
1221         echo "SOSUFFIX=dylib" >> config.mak
1222         echo "SONAME=libx264.$API.dylib" >> config.mak
1223         echo "SOFLAGS=-shared -dynamiclib -Wl,-single_module -Wl,-read_only_relocs,suppress -install_name \$(DESTDIR)\$(libdir)/\$(SONAME) $SOFLAGS" >> config.mak
1224     elif [ "$SYS" = "SunOS" ]; then
1225         echo "SOSUFFIX=so" >> config.mak
1226         echo "SONAME=libx264.so.$API" >> config.mak
1227         echo "SOFLAGS=-shared -Wl,-h,\$(SONAME) $SOFLAGS" >> config.mak
1228     else
1229         echo "SOSUFFIX=so" >> config.mak
1230         echo "SONAME=libx264.so.$API" >> config.mak
1231         echo "SOFLAGS=-shared -Wl,-soname,\$(SONAME) $SOFLAGS" >> config.mak
1232     fi
1233     echo 'default: lib-shared' >> config.mak
1234     echo 'install: install-lib-shared' >> config.mak
1235 fi
1236
1237 if [ "$static" = "yes" ]; then
1238     echo 'default: lib-static' >> config.mak
1239     echo 'install: install-lib-static' >> config.mak
1240 fi
1241
1242 if [ "$cli_libx264" = "system" ] ; then
1243     if [ "$shared" = "yes" ]; then
1244         CLI_LIBX264='$(SONAME)'
1245     elif ${cross_prefix}pkg-config --exists x264 2>/dev/null; then
1246         LDFLAGSCLI="$LDFLAGSCLI $(${cross_prefix}pkg-config --libs x264)"
1247         CLI_LIBX264=
1248     else
1249         die "Can not find system libx264"
1250     fi
1251 else
1252     CLI_LIBX264='$(LIBX264)'
1253 fi
1254 echo "LDFLAGSCLI = $LDFLAGSCLI" >> config.mak
1255 echo "CLI_LIBX264 = $CLI_LIBX264" >> config.mak
1256
1257 ${SRCPATH}/version.sh "${SRCPATH}" >> x264_config.h
1258
1259 cat > x264.pc << EOF
1260 prefix=$prefix
1261 exec_prefix=$exec_prefix
1262 libdir=$libdir
1263 includedir=$includedir
1264
1265 Name: x264
1266 Description: H.264 (MPEG4 AVC) encoder library
1267 Version: $(grep POINTVER < x264_config.h | sed -e 's/.* "//; s/".*//')
1268 Libs: -L$libdir -lx264 $([ "$shared" = "yes" ] || echo $libpthread $libm $libdl)
1269 Libs.private: $([ "$shared" = "yes" ] && echo $libpthread $libm $libdl)
1270 Cflags: -I$includedir
1271 EOF
1272
1273 filters="crop select_every"
1274 gpl_filters=""
1275 [ $swscale = yes ] && filters="resize $filters"
1276 [ $gpl = yes ] && filters="$filters $gpl_filters"
1277
1278 cat > conftest.log <<EOF
1279 platform:      $ARCH
1280 system:        $SYS
1281 cli:           $cli
1282 libx264:       $cli_libx264
1283 shared:        $shared
1284 static:        $static
1285 asm:           $asm
1286 interlaced:    $interlaced
1287 avs:           $avs
1288 lavf:          $lavf
1289 ffms:          $ffms
1290 mp4:           $mp4
1291 gpl:           $gpl
1292 thread:        $thread
1293 opencl:        $opencl
1294 filters:       $filters
1295 debug:         $debug
1296 gprof:         $gprof
1297 strip:         $strip
1298 PIC:           $pic
1299 bit depth:     $bit_depth
1300 chroma format: $chroma_format
1301 EOF
1302
1303 echo >> config.log
1304 cat conftest.log >> config.log
1305 cat conftest.log
1306 rm conftest.log
1307
1308 [ "$SRCPATH" != "." ] && ln -sf ${SRCPATH}/Makefile ./Makefile
1309 mkdir -p common/{arm,ppc,x86} encoder extras filters/video input output tools
1310
1311 echo
1312 echo "You can run 'make' or 'make fprofiled' now."
1313