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 available options:
   8
   9   --help                   print this message
  10   --disable-cli            disables cli
  11   --system-libx264         use system libx264 instead of internal
  12   --enable-shared          build shared library
  13   --enable-static          build static library
  14   --disable-avs            disables avisynth support (windows only)
  15   --disable-lavf           disables libavformat support
  16   --disable-ffms           disables ffmpegsource support
  17   --disable-gpac           disables gpac support
  18   --disable-gpl            disables GPL-only features
  19   --disable-thread         disables multithreaded encoding
  20   --enable-win32thread     use win32threads (windows only)
  21   --disable-swscale        disables swscale support
  22   --disable-asm            disables platform-specific assembly optimizations
  23   --disable-interlaced     disables interlaced encoding support
  24   --enable-debug           adds -g
  25   --enable-gprof           adds -pg
  26   --enable-strip           adds -s
  27   --enable-visualize       enables visualization (X11 only)
  28   --enable-pic             build position-independent code
  29   --bit-depth=BIT_DEPTH    sets output bit depth (8-10), default 8
  30   --extra-asflags=EASFLAGS add EASFLAGS to ASFLAGS
  31   --extra-cflags=ECFLAGS   add ECFLAGS to CFLAGS
  32   --extra-ldflags=ELDFLAGS add ELDFLAGS to LDFLAGS
  33   --host=HOST              build programs to run on HOST
  34   --cross-prefix=PREFIX    use PREFIX for compilation tools
  35   --sysroot=SYSROOT        root of cross-build tree
  36
  37 EOF
  38 exit 1
  39 fi
  40
  41 log_check() {
  42     echo -n "checking $1... " >> config.log
  43 }
  44
  45 log_ok() {
  46     echo "yes" >> config.log
  47 }
  48
  49 log_fail() {
  50     echo "no" >> config.log
  51 }
  52
  53 log_msg() {
  54     echo "$1" >> config.log
  55 }
  56
  57 intel_cflags() {
  58     # Intel Compiler issues an incredibly large number of warnings on any warning level,
  59     # suppress them by disabling all warnings rather than having to use #pragmas to disable most of them
  60     for arg in $*; do
  61         [ $arg = -ffast-math ] && arg=
  62         [[ "$arg" = -falign-loops* ]] && arg=
  63         [ "$arg" = -fno-tree-vectorize ] && arg=
  64         [ "$arg" = -Wshadow ] && arg=
  65         if [ $compiler = ICL ]; then
  66             [ "$arg" = -Wall ] && arg=-W0
  67             [ "$arg" = -g ] && arg=-Z7
  68             [ "$arg" = -fomit-frame-pointer ] && arg=
  69             [ "$arg" = -s ] && arg=
  70             [ "$arg" = -fPIC ] && arg=
  71         else
  72             [ "$arg" = -Wall ] && arg=-w0
  73         fi
  74
  75         [ -n "$arg" ] && echo -n "$arg "
  76     done
  77 }
  78
  79 icl_ldflags() {
  80     for arg in $*; do
  81         arg=${arg/LIBPATH/libpath}
  82         [ ${arg#-libpath:} == $arg -a ${arg#-l} != $arg ] && arg=${arg#-l}.lib
  83         [ ${arg#-L} != $arg ] && arg=-libpath:${arg#-L}
  84         [ $arg = -Wl,--large-address-aware ] && arg=-largeaddressaware
  85         [ $arg = -s ] && arg=
  86         [ "$arg" = -Wl,-Bsymbolic ] && arg=
  87
  88         arg=${arg/pthreadGC/pthreadVC}
  89         [ "$arg" = avifil32.lib ] && arg=vfw32.lib
  90         [ "$arg" = gpac_static.lib ] && arg=libgpac_static.lib
  91
  92         [ -n "$arg" ] && echo -n "$arg "
  93     done
  94 }
  95
  96 cc_check() {
  97     if [ -z "$3" ]; then
  98         if [ -z "$1$2" ]; then
  99             log_check "whether $CC works"
 100         elif [ -z "$1" ]; then
 101             log_check "for $2"
 102         else
 103             log_check "for $1"
 104         fi
 105     elif [ -z "$1" ]; then
 106         if [ -z "$2" ]; then
 107             log_check "whether $CC supports $3"
 108         else
 109             log_check "whether $CC supports $3 with $2"
 110         fi
 111     else
 112         log_check "for $3 in $1";
 113     fi
 114     rm -f conftest.c
 115     [ -n "$1" ] && echo "#include <$1>" > conftest.c
 116     echo "int main () { $3 return 0; }" >> conftest.c
 117     if [ $compiler = ICL ]; then
 118         cc_cmd="$CC conftest.c $CFLAGS $2 -link $(icl_ldflags $2 $LDFLAGSCLI $LDFLAGS)"
 119     else
 120         cc_cmd="$CC conftest.c $CFLAGS $2 $LDFLAGSCLI $LDFLAGS -o conftest"
 121     fi
 122     if $cc_cmd >conftest.log 2>&1; then
 123         res=$?
 124         log_ok
 125     else
 126         res=$?
 127         log_fail
 128         log_msg "Failed commandline was:"
 129         log_msg "--------------------------------------------------"
 130         log_msg "$cc_cmd"
 131         cat conftest.log >> config.log
 132         log_msg "--------------------------------------------------"
 133         log_msg "Failed program was:"
 134         log_msg "--------------------------------------------------"
 135         cat conftest.c >> config.log
 136         log_msg "--------------------------------------------------"
 137     fi
 138     return $res
 139 }
 140
 141 cpp_check() {
 142     log_check "whether $3 is true"
 143     rm -f conftest.c
 144     [ -n "$1" ] && echo "#include <$1>" > conftest.c
 145     echo -e "#if !($3) \n#error $4 \n#endif " >> conftest.c
 146
 147     if $CC conftest.c $CFLAGS $2 -E -o conftest >conftest.log 2>&1; then
 148         res=$?
 149         log_ok
 150     else
 151         res=$?
 152         log_fail
 153         log_msg "--------------------------------------------------"
 154         cat conftest.log >> config.log
 155         log_msg "--------------------------------------------------"
 156         log_msg "Failed program was:"
 157         log_msg "--------------------------------------------------"
 158         cat conftest.c >> config.log
 159         log_msg "--------------------------------------------------"
 160     fi
 161     return $res
 162 }
 163
 164 as_check() {
 165     log_check "whether $AS supports $1"
 166     echo "$1" > conftest.asm
 167     if $AS conftest.asm $ASFLAGS $2 -o conftest.o >conftest.log 2>&1; then
 168         res=$?
 169         log_ok
 170     else
 171         res=$?
 172         log_fail
 173         log_msg "Failed commandline was:"
 174         log_msg "--------------------------------------------------"
 175         log_msg "$AS conftest.asm $ASFLAGS $2 -o conftest.o"
 176         cat conftest.log >> config.log
 177         log_msg "--------------------------------------------------"
 178         log_msg "Failed program was:"
 179         log_msg "--------------------------------------------------"
 180         cat conftest.asm >> config.log
 181         log_msg "--------------------------------------------------"
 182     fi
 183     return $res
 184 }
 185
 186 define() {
 187     echo "#define $1$([ -n "$2" ] && echo " $2" || echo " 1")" >> config.h
 188 }
 189
 190 die() {
 191     log_msg "DIED: $@"
 192     echo "$@"
 193     exit 1
 194 }
 195
 196 rm -f x264_config.h config.h config.mak config.log x264.pc x264.def conftest*
 197
 198 prefix='/usr/local'
 199 exec_prefix='${prefix}'
 200 bindir='${exec_prefix}/bin'
 201 libdir='${exec_prefix}/lib'
 202 includedir='${prefix}/include'
 203 DEVNULL='/dev/null'
 204
 205 cli="yes"
 206 cli_libx264="internal"
 207 shared="no"
 208 static="no"
 209 avs="auto"
 210 lavf="auto"
 211 ffms="auto"
 212 gpac="auto"
 213 gpl="yes"
 214 thread="auto"
 215 swscale="auto"
 216 asm="auto"
 217 interlaced="yes"
 218 debug="no"
 219 gprof="no"
 220 strip="no"
 221 pic="no"
 222 vis="no"
 223 bit_depth="8"
 224 compiler="GNU"
 225
 226 CFLAGS="$CFLAGS -Wall -I."
 227 LDFLAGS="$LDFLAGS"
 228 LDFLAGSCLI="$LDFLAGSCLI"
 229 ASFLAGS="$ASFLAGS"
 230 HAVE_GETOPT_LONG=1
 231 cross_prefix=""
 232
 233 EXE=""
 234
 235 # list of all preprocessor HAVE values we can define
 236 CONFIG_HAVE="MALLOC_H ALTIVEC ALTIVEC_H MMX ARMV6 ARMV6T2 NEON BEOSTHREAD POSIXTHREAD WIN32THREAD THREAD LOG2F VISUALIZE SWSCALE LAVF FFMS GPAC GF_MALLOC AVS GPL VECTOREXT INTERLACED"
 237
 238 # parse options
 239
 240 for opt do
 241     optarg="${opt#*=}"
 242     case "$opt" in
 243         --prefix=*)
 244             prefix="$optarg"
 245             ;;
 246         --exec-prefix=*)
 247             exec_prefix="$optarg"
 248             ;;
 249         --bindir=*)
 250             bindir="$optarg"
 251             ;;
 252         --libdir=*)
 253             libdir="$optarg"
 254             ;;
 255         --includedir=*)
 256             includedir="$optarg"
 257             ;;
 258         --disable-cli)
 259             cli="no"
 260             ;;
 261         --system-libx264)
 262             cli_libx264="system"
 263             ;;
 264         --enable-shared)
 265             shared="yes"
 266             ;;
 267         --enable-static)
 268             static="yes"
 269             ;;
 270         --disable-asm)
 271             asm="no"
 272             ;;
 273         --disable-interlaced)
 274             interlaced="no"
 275             ;;
 276         --disable-avs)
 277             avs="no"
 278             ;;
 279         --disable-lavf)
 280             lavf="no"
 281             ;;
 282         --disable-ffms)
 283             ffms="no"
 284             ;;
 285         --disable-gpac)
 286             gpac="no"
 287             ;;
 288         --disable-gpl)
 289             gpl="no"
 290             ;;
 291         --extra-asflags=*)
 292             ASFLAGS="$ASFLAGS ${opt#--extra-asflags=}"
 293             ;;
 294         --extra-cflags=*)
 295             CFLAGS="$CFLAGS ${opt#--extra-cflags=}"
 296             ;;
 297         --extra-ldflags=*)
 298             LDFLAGS="$LDFLAGS ${opt#--extra-ldflags=}"
 299             ;;
 300         --disable-thread)
 301             thread="no"
 302             ;;
 303         --enable-win32thread)
 304             thread="win32"
 305             ;;
 306         --disable-swscale)
 307             swscale="no"
 308             ;;
 309         --enable-debug)
 310             debug="yes"
 311             ;;
 312         --enable-gprof)
 313             CFLAGS="$CFLAGS -pg"
 314             LDFLAGS="$LDFLAGS -pg"
 315             gprof="yes"
 316             ;;
 317         --enable-strip)
 318             strip="yes"
 319             ;;
 320         --enable-pic)
 321             pic="yes"
 322             ;;
 323         --enable-visualize)
 324             vis="yes"
 325             ;;
 326         --host=*)
 327             host="${opt#--host=}"
 328             ;;
 329         --cross-prefix=*)
 330             cross_prefix="${opt#--cross-prefix=}"
 331             ;;
 332         --sysroot=*)
 333             CFLAGS="$CFLAGS --sysroot=${opt#--sysroot=}"
 334             LDFLAGS="$LDFLAGS --sysroot=${opt#--sysroot=}"
 335             ;;
 336         --bit-depth=*)
 337             bit_depth="${opt#--bit-depth=}"
 338             if [ "$bit_depth" -lt "8" -o "$bit_depth" -gt "10" ]; then
 339                 echo "Supplied bit depth must be in range [8,10]."
 340                 exit 1
 341             fi
 342             bit_depth=`expr $bit_depth + 0`
 343             ;;
 344         *)
 345             echo "Unknown option $opt, ignored"
 346             ;;
 347     esac
 348 done
 349
 350 [ "$cli" = "no" -a "$shared" = "no" -a "$static" = "no" ] && die "Nothing to build. Enable cli, shared or static."
 351
 352 CC="${CC-${cross_prefix}gcc}"
 353 AR="${AR-${cross_prefix}ar}"
 354 RANLIB="${RANLIB-${cross_prefix}ranlib}"
 355 STRIP="${STRIP-${cross_prefix}strip}"
 356
 357 if [ "x$host" = x ]; then
 358     host=`./config.guess`
 359 fi
 360 # normalize a triplet into a quadruplet
 361 host=`./config.sub $host`
 362
 363 # split $host
 364 host_cpu="${host%%-*}"
 365 host="${host#*-}"
 366 host_vendor="${host%%-*}"
 367 host_os="${host#*-}"
 368
 369 # test for use of Intel Compiler
 370 if [[ $host_os = mingw* || $host_os = cygwin* ]]; then
 371     if [[ `basename "$CC"` = icl* ]]; then
 372         # Windows Intel Compiler creates dependency generation with absolute Windows paths, Cygwin's make does not support Windows paths.
 373         [[ $host_os = cygwin* ]] && die "Windows Intel Compiler support requires MSYS"
 374         compiler=ICL
 375         CFLAGS="$CFLAGS -Qstd=c99 -nologo -Qms0 -DHAVE_STRING_H -Iextras"
 376         QPRE="-Q"
 377         `$CC 2>&1 | grep -q IA-32` && host_cpu=i486
 378         `$CC 2>&1 | grep -q "Intel(R) 64"` && host_cpu=x86_64
 379         cpp_check "" "" "_MSC_VER >= 1400" || die "Windows Intel Compiler support requires Visual Studio 2005 or newer"
 380     fi
 381 else
 382     if [[ `basename "$CC"` = icc* ]]; then
 383         AR="xiar"
 384         compiler=ICC
 385         QPRE="-"
 386     fi
 387 fi
 388
 389 case $host_os in
 390     beos*)
 391         SYS="BEOS"
 392         define HAVE_MALLOC_H
 393         ;;
 394     darwin*)
 395         SYS="MACOSX"
 396         CFLAGS="$CFLAGS -falign-loops=16"
 397         LDFLAGS="$LDFLAGS -lm"
 398         if [ "$pic" = "no" ]; then
 399             cc_check "" -mdynamic-no-pic && CFLAGS="$CFLAGS -mdynamic-no-pic"
 400         fi
 401         ;;
 402     freebsd*)
 403         SYS="FREEBSD"
 404         LDFLAGS="$LDFLAGS -lm"
 405         ;;
 406     kfreebsd*-gnu)
 407         SYS="FREEBSD"
 408         define HAVE_MALLOC_H
 409         LDFLAGS="$LDFLAGS -lm"
 410         ;;
 411     netbsd*)
 412         SYS="NETBSD"
 413         LDFLAGS="$LDFLAGS -lm"
 414         ;;
 415     openbsd*)
 416         SYS="OPENBSD"
 417         LDFLAGS="$LDFLAGS -lm"
 418         ;;
 419     *linux*)
 420         SYS="LINUX"
 421         define HAVE_MALLOC_H
 422         LDFLAGS="$LDFLAGS -lm"
 423         ;;
 424     cygwin*)
 425         EXE=".exe"
 426         if cc_check "" -mno-cygwin; then
 427             CFLAGS="$CFLAGS -mno-cygwin"
 428             LDFLAGS="$LDFLAGS -mno-cygwin"
 429         fi
 430         if cpp_check "" "" "defined(__CYGWIN32__)" ; then
 431             define HAVE_MALLOC_H
 432             SYS="CYGWIN"
 433         else
 434             SYS="WINDOWS"
 435             DEVNULL="NUL"
 436         fi
 437         ;;
 438     mingw*)
 439         SYS="WINDOWS"
 440         EXE=".exe"
 441         DEVNULL="NUL"
 442         ;;
 443     sunos*|solaris*)
 444         SYS="SunOS"
 445         define HAVE_MALLOC_H
 446         LDFLAGS="$LDFLAGS -lm"
 447         HAVE_GETOPT_LONG=0
 448         ;;
 449     *)
 450         die "Unknown system $host, edit the configure"
 451         ;;
 452 esac
 453
 454 case $host_cpu in
 455     i*86)
 456         ARCH="X86"
 457         AS="yasm"
 458         ASFLAGS="$ASFLAGS -O2"
 459         if [ $compiler = GNU ]; then
 460             if [[ "$asm" == auto && "$CFLAGS" != *-march* ]]; then
 461                 CFLAGS="$CFLAGS -march=i686"
 462             fi
 463             if [[ "$asm" == auto && "$CFLAGS" != *-mfpmath* ]]; then
 464                 CFLAGS="$CFLAGS -mfpmath=sse -msse"
 465             fi
 466         else
 467             # icc on linux has various degrees of mod16 stack support
 468             if [ $SYS = LINUX ]; then
 469                 # < 11 is completely incapable of keeping a mod16 stack
 470                 if cpp_check "" "" "__INTEL_COMPILER < 1100" ; then
 471                     define BROKEN_STACK_ALIGNMENT
 472                 # 11 <= x < 12 is capable of keeping a mod16 stack, but defaults to not doing so.
 473                 elif cpp_check "" "" "__INTEL_COMPILER < 1200" ; then
 474                     CFLAGS="$CFLAGS -falign-stack=assume-16-byte"
 475                 fi
 476                 # >= 12 defaults to a mod16 stack
 477             fi
 478             # icl on windows has no mod16 stack support
 479             [ $SYS = WINDOWS ] && define BROKEN_STACK_ALIGNMENT
 480         fi
 481         if [ "$SYS" = MACOSX ]; then
 482             ASFLAGS="$ASFLAGS -f macho -DPREFIX"
 483         elif [ "$SYS" = WINDOWS -o "$SYS" = CYGWIN ]; then
 484             ASFLAGS="$ASFLAGS -f win32 -DPREFIX"
 485             LDFLAGS="$LDFLAGS -Wl,--large-address-aware"
 486         else
 487             ASFLAGS="$ASFLAGS -f elf"
 488         fi
 489         ;;
 490     x86_64)
 491         ARCH="X86_64"
 492         AS="yasm"
 493         if [ "$SYS" = MACOSX ]; then
 494             ASFLAGS="$ASFLAGS -f macho64 -m amd64 -DPIC -DPREFIX"
 495             if cc_check '' "-arch x86_64"; then
 496                 CFLAGS="$CFLAGS -arch x86_64"
 497                 LDFLAGS="$LDFLAGS -arch x86_64"
 498             fi
 499         elif [ "$SYS" = WINDOWS ]; then
 500             ASFLAGS="$ASFLAGS -f win32 -m amd64"
 501             # only the GNU toolchain is inconsistent in prefixing function names with _
 502             [ $compiler = GNU ] && cc_check "" "-S" && grep -q "_main:" conftest && ASFLAGS="$ASFLAGS -DPREFIX"
 503         else
 504             ASFLAGS="$ASFLAGS -f elf -m amd64"
 505         fi
 506         ;;
 507     powerpc|powerpc64)
 508         ARCH="PPC"
 509         if [ $asm = auto ] ; then
 510             define HAVE_ALTIVEC
 511             AS="${AS-${cross_prefix}gcc}"
 512             if [ $SYS = MACOSX ] ; then
 513                 CFLAGS="$CFLAGS -faltivec -fastf -mcpu=G4"
 514             else
 515                 CFLAGS="$CFLAGS -maltivec -mabi=altivec"
 516                 define HAVE_ALTIVEC_H
 517             fi
 518         fi
 519         ;;
 520     sparc)
 521         ARCH="SPARC"
 522         case $(uname -m) in
 523             sun4u|sun4v)
 524                 if [ $asm = auto ]; then
 525                     ARCH="UltraSPARC"
 526                     if ! echo $CFLAGS | grep -Eq '\-mcpu' ; then
 527                         CFLAGS="$CFLAGS -mcpu=ultrasparc"
 528                         LDFLAGS="$LDFLAGS -mcpu=ultrasparc"
 529                     fi
 530                     AS="${AS-${cross_prefix}as}"
 531                     ASFLAGS="$ASFLAGS -xarch=v8plusa"
 532                 fi
 533                 ;;
 534         esac
 535         ;;
 536     mips|mipsel|mips64|mips64el)
 537         ARCH="MIPS"
 538         ;;
 539     arm*)
 540         ARCH="ARM"
 541         if [ "$SYS" = MACOSX ] ; then
 542             AS="${AS-extras/gas-preprocessor.pl $CC}"
 543             ASFLAGS="$ASFLAGS -DPREFIX -DPIC"  # apple's ld doesn't support movw/movt relocations at all
 544             # build for armv7 by default
 545             if ! echo $CFLAGS | grep -Eq '\-arch' ; then
 546                 CFLAGS="$CFLAGS -arch armv7"
 547                 LDFLAGS="$LDFLAGS -arch armv7"
 548             fi
 549         else
 550             AS="${AS-${cross_prefix}gcc}"
 551         fi
 552         ;;
 553     s390|s390x)
 554         ARCH="S390"
 555         ;;
 556     parisc|parisc64)
 557         ARCH="PARISC"
 558         ;;
 559     ia64)
 560         ARCH="IA64"
 561         ;;
 562     *)
 563         ARCH="$(echo $host_cpu | tr a-z A-Z)"
 564         ;;
 565 esac
 566
 567 log_msg "x264 configure script"
 568 if [ -n "$*" ]; then
 569     msg="Command line options:"
 570     for i in $@; do
 571         msg="$msg \"$i\""
 572     done
 573     log_msg "$msg"
 574 fi
 575 log_msg ""
 576
 577 # check requirements
 578
 579 cc_check || die "No working C compiler found."
 580
 581 if [ $compiler != ICL ]; then
 582     if cc_check '' -std=gnu99 'for( int i = 0; i < 9; i++ );' ; then
 583         CFLAGS="$CFLAGS -std=gnu99"
 584     elif cc_check '' -std=c99 'for( int i = 0; i < 9; i++ );' ; then
 585         CFLAGS="$CFLAGS -std=c99 -D_POSIX_C_SOURCE=200112L -D_BSD_SOURCE"
 586     elif ! cc_check '' '' 'for( int i = 0; i < 9; i++ );' ; then
 587         die "C99 compiler is needed for compilation."
 588     fi
 589 fi
 590
 591 if [ $shared = yes -a \( $ARCH = "X86_64" -o $ARCH = "PPC" -o $ARCH = "ALPHA" -o $ARCH = "ARM" -o $ARCH = "IA64" \) ] ; then
 592     pic="yes"
 593 fi
 594
 595 if [ $asm = auto -a \( $ARCH = X86 -o $ARCH = X86_64 \) ] ; then
 596     if ! as_check "vpaddw xmm0, xmm0, xmm0" ; then
 597         VER=`($AS --version || echo no assembler) 2>/dev/null | head -n 1`
 598         echo "Found $VER"
 599         echo "Minimum version is yasm-0.7.0"
 600         echo "If you really want to compile without asm, configure with --disable-asm."
 601         exit 1
 602     fi
 603     if ! cc_check '' '' '__asm__("pabsw %xmm0, %xmm0");' ; then
 604         VER=`(${cross_prefix}as --version || echo no gnu as) 2>/dev/null | head -n 1`
 605         echo "Found $VER"
 606         echo "Minimum version is binutils-2.17"
 607         echo "Your compiler can't handle inline SSSE3 asm."
 608         echo "If you really want to compile without asm, configure with --disable-asm."
 609         exit 1
 610     fi
 611     define HAVE_MMX
 612 fi
 613
 614 if [ $asm = auto -a $ARCH = ARM ] ; then
 615     # set flags so neon is built by default
 616     echo $CFLAGS | grep -Eq '(-mcpu|-march|-mfpu|-mfloat-abi)' || CFLAGS="$CFLAGS -mcpu=cortex-a8 -mfpu=neon -mfloat-abi=softfp"
 617
 618     if  cc_check '' '' '__asm__("rev ip, ip");' ; then      define HAVE_ARMV6
 619         cc_check '' '' '__asm__("movt r0, #0");'         && define HAVE_ARMV6T2
 620         cc_check '' '' '__asm__("vadd.i16 q0, q0, q0");' && define HAVE_NEON
 621         ASFLAGS="$ASFLAGS $CFLAGS -c"
 622     else
 623         echo "You specified a pre-ARMv6 or Thumb-1 CPU in your CFLAGS."
 624         echo "If you really want to run on such a CPU, configure with --disable-asm."
 625         exit 1
 626     fi
 627 fi
 628
 629 [ $asm = no ] && AS=""
 630 [ "x$AS" = x ] && asm="no" || asm="yes"
 631
 632 define ARCH_$ARCH
 633 define SYS_$SYS
 634
 635 # skip endianness check for Intel Compiler, as all supported platforms are little. the -ipo flag will also cause the check to fail
 636 if [ $compiler = GNU ]; then
 637     echo "int i[2] = {0x42494745,0}; double f[2] = {0x1.0656e6469616ep+102,0};" > conftest.c
 638     $CC $CFLAGS conftest.c -c -o conftest.o 2>/dev/null || die "endian test failed"
 639     if (${cross_prefix}strings -a conftest.o | grep -q BIGE) && (${cross_prefix}strings -a conftest.o | grep -q FPendian) ; then
 640         define WORDS_BIGENDIAN
 641     elif !(${cross_prefix}strings -a conftest.o | grep -q EGIB && ${cross_prefix}strings -a conftest.o | grep -q naidnePF) ; then
 642         die "endian test failed"
 643     fi
 644 fi
 645
 646 # autodetect options that weren't forced nor disabled
 647
 648 # pthread-win32 is lgpl, prevent its use if --disable-gpl is specified and targeting windows
 649 [ "$SYS" = "WINDOWS" -a "$gpl" = "no" -a "$thread" = "auto" ] && thread="win32"
 650
 651 libpthread=""
 652 if [ "$thread" = "auto" ]; then
 653     thread="no"
 654     case $SYS in
 655         BEOS)
 656             thread="beos"
 657             define HAVE_BEOSTHREAD
 658             ;;
 659         WINDOWS)
 660             if cc_check pthread.h -lpthread "pthread_create(0,0,0,0);" ; then
 661                 thread="posix"
 662                 libpthread="-lpthread"
 663             elif cc_check pthread.h -lpthreadGC2 "pthread_create(0,0,0,0);" ; then
 664                 thread="posix"
 665                 libpthread="-lpthreadGC2"
 666             elif cc_check pthread.h "-lpthreadGC2 -lwsock32 -DPTW32_STATIC_LIB" "pthread_create(0,0,0,0);" ; then
 667                 thread="posix"
 668                 libpthread="-lpthreadGC2 -lwsock32"
 669                 define PTW32_STATIC_LIB
 670             elif cc_check pthread.h "-lpthreadGC2 -lws2_32 -DPTW32_STATIC_LIB" "pthread_create(0,0,0,0);" ; then
 671                 thread="posix"
 672                 libpthread="-lpthreadGC2 -lws2_32"
 673                 define PTW32_STATIC_LIB
 674             else
 675                 # default to native threading if pthread-win32 is unavailable
 676                 thread="win32"
 677             fi
 678             ;;
 679         OPENBSD)
 680             cc_check pthread.h -pthread && thread="posix" && libpthread="-pthread"
 681             ;;
 682         *)
 683             cc_check pthread.h -lpthread && thread="posix" && libpthread="-lpthread"
 684             ;;
 685     esac
 686 fi
 687 if [ "$thread" = "posix" ]; then
 688     LDFLAGS="$LDFLAGS $libpthread"
 689     define HAVE_POSIXTHREAD
 690 fi
 691 if [ "$thread" = "win32" ]; then
 692     # cygwin does not support win32 threads
 693     if [ "$SYS" = "WINDOWS" ]; then
 694         define HAVE_WIN32THREAD
 695     else
 696         thread="no"
 697     fi
 698 fi
 699 [ "$thread" != "no" ] && define HAVE_THREAD
 700
 701 if cc_check "math.h" "-Werror" "return log2f(2);" ; then
 702     define HAVE_LOG2F
 703 fi
 704
 705 if [ "$vis" = "yes" ] ; then
 706     save_CFLAGS="$CFLAGS"
 707     CFLAGS="$CFLAGS -I/usr/X11R6/include"
 708     if cc_check "X11/Xlib.h" "-L/usr/X11R6/lib -lX11" "XOpenDisplay(0);" ; then
 709         LDFLAGS="-L/usr/X11R6/lib -lX11 $LDFLAGS"
 710         define HAVE_VISUALIZE
 711     else
 712         vis="no"
 713         CFLAGS="$save_CFLAGS"
 714    fi
 715 fi
 716
 717 if [ "$swscale" = "auto" ] ; then
 718     swscale="no"
 719     if ${cross_prefix}pkg-config --exists libswscale 2>/dev/null; then
 720         SWSCALE_LIBS="$SWSCALE_LIBS $(${cross_prefix}pkg-config --libs libswscale)"
 721         SWSCALE_CFLAGS="$SWSCALE_CFLAGS $(${cross_prefix}pkg-config --cflags libswscale)"
 722     fi
 723     [ -z "$SWSCALE_LIBS" ] && SWSCALE_LIBS="-lswscale -lavutil"
 724
 725     error="swscale must be at least version 0.9.0"
 726     if cc_check "libswscale/swscale.h" "$SWSCALE_CFLAGS $SWSCALE_LIBS" "sws_getContext(0,0,0,0,0,0,0,0,0,0);" ; then
 727         if cpp_check "libswscale/swscale.h" "$SWSCALE_CFLAGS" "LIBSWSCALE_VERSION_INT >= AV_VERSION_INT(0,9,0)" "$error"; then
 728             # we use colorspaces that were defined in libavutil r19775
 729             if cc_check "libavutil/pixfmt.h" "$SWSCALE_CFLAGS" "enum PixelFormat pixfmt = PIX_FMT_YUV422P16LE;" ; then
 730                 swscale="yes"
 731             else
 732                 echo "Warning: libavutil is too old, update to ffmpeg r19775+"
 733             fi
 734         else
 735             echo "Warning: ${error}"
 736         fi
 737     fi
 738 fi
 739
 740 if [ "$lavf" = "auto" ] ; then
 741     lavf="no"
 742     if ${cross_prefix}pkg-config --exists libavformat libavcodec libswscale 2>/dev/null; then
 743         LAVF_LIBS="$LAVF_LIBS $(${cross_prefix}pkg-config --libs libavformat libavcodec libavutil libswscale)"
 744         LAVF_CFLAGS="$LAVF_CFLAGS $(${cross_prefix}pkg-config --cflags libavformat libavcodec libavutil libswscale)"
 745     fi
 746     if [ -z "$LAVF_LIBS" -a -z "$LAVF_CFLAGS" ]; then
 747         LAVF_LIBS="-lavformat"
 748         for lib in -lpostproc -lavcodec -lavcore -lswscale -lavutil -lm -lz -lbz2 $libpthread -lavifil32; do
 749             cc_check "" $lib && LAVF_LIBS="$LAVF_LIBS $lib"
 750         done
 751     fi
 752     LAVF_LIBS="-L. $LAVF_LIBS"
 753     if cc_check libavformat/avformat.h "$LAVF_CFLAGS $LAVF_LIBS" "avcodec_decode_video2(0,0,0,0);" ; then
 754         if cpp_check libavcodec/avcodec.h "$LAVF_CFLAGS $LAVF_LIBS" "LIBAVCODEC_VERSION_INT >= AV_VERSION_INT(52,64,0)" ; then
 755             if [ "$swscale" = "yes" ]; then
 756                 lavf="yes"
 757             else
 758                 echo "Warning: libavformat is not supported without swscale support"
 759             fi
 760         else
 761             echo "Warning: libavcodec is too old, update to ffmpeg r22735+"
 762         fi
 763     fi
 764 fi
 765
 766 if [ "$ffms" = "auto" ] ; then
 767     ffms_major="2"; ffms_minor="14"; ffms_micro="0"; ffms_bump="0"
 768     ffms="no"
 769
 770     if ${cross_prefix}pkg-config --exists ffms2 2>/dev/null; then
 771         FFMS2_LIBS="$FFMS2_LIBS $(${cross_prefix}pkg-config --libs ffms2)"
 772         FFMS2_CFLAGS="$FFMS2_CFLAGS $(${cross_prefix}pkg-config --cflags ffms2)"
 773     fi
 774     [ -z "$FFMS2_LIBS" ] && FFMS2_LIBS="-lffms2"
 775
 776     if cc_check ffms.h "$FFMS2_CFLAGS $FFMS2_LIBS" "FFMS_DestroyVideoSource(0);" ; then
 777         ffms="yes"
 778     elif cc_check ffms.h "$FFMS2_CFLAGS $FFMS2_LIBS -lstdc++ $LAVF_LIBS" "FFMS_DestroyVideoSource(0);" ; then
 779         ffms="yes"
 780         FFMS2_LIBS="$FFMS2_LIBS -lstdc++ $LAVF_LIBS"
 781     fi
 782
 783     error="ffms must be at least version $ffms_major.$ffms_minor.$ffms_micro.$ffms_bump"
 784     if [ $ffms = "yes" ] && ! cpp_check "ffms.h" "$FFMS2_CFLAGS" "FFMS_VERSION >= (($ffms_major << 24) | ($ffms_minor << 16) | ($ffms_micro << 8) | $ffms_bump)" "$error"; then
 785        ffms="no"
 786        echo "Warning: $error"
 787     fi
 788     if [ "$ffms" = "yes" -a "$swscale" = "no" ]; then
 789         echo "Warning: ffms is not supported without swscale support"
 790         ffms="no"
 791     fi
 792 fi
 793
 794 if [ "$swscale" = "yes" ]; then
 795     LDFLAGSCLI="$SWSCALE_LIBS $LDFLAGSCLI"
 796     CFLAGS="$CFLAGS $SWSCALE_CFLAGS"
 797     define HAVE_SWSCALE
 798     if [ "$lavf" = "yes" ]; then
 799         LDFLAGSCLI="$LAVF_LIBS $LDFLAGSCLI"
 800         CFLAGS="$CFLAGS $LAVF_CFLAGS"
 801         define HAVE_LAVF
 802     fi
 803     if [ "$ffms" = "yes" ]; then
 804         LDFLAGSCLI="$FFMS2_LIBS $LDFLAGSCLI"
 805         CFLAGS="$CFLAGS $FFMS2_CFLAGS"
 806         define HAVE_FFMS
 807     fi
 808 fi
 809
 810 if [ "$gpac" = "auto" ] ; then
 811     gpac="no"
 812     cc_check "" -lz && GPAC_LIBS="-lgpac_static -lz" || GPAC_LIBS="-lgpac_static"
 813     if [ "$SYS" = "WINDOWS" ] ; then
 814         GPAC_LIBS="$GPAC_LIBS -lwinmm"
 815     fi
 816     if cc_check gpac/isomedia.h "$GPAC_LIBS" ; then
 817         if cc_check gpac/isomedia.h "$GPAC_LIBS" "gf_isom_set_pixel_aspect_ratio(0,0,0,0,0);" ; then
 818             gpac="yes"
 819         else
 820             echo "Warning: gpac is too old, update to 2007-06-21 UTC or later"
 821         fi
 822     fi
 823 fi
 824 if [ "$gpac" = "yes" ] ; then
 825     define HAVE_GPAC
 826     if cc_check gpac/isomedia.h "-Werror $GPAC_LIBS" "gf_malloc(1); gf_free(NULL);" ; then
 827         define HAVE_GF_MALLOC
 828     fi
 829     LDFLAGSCLI="$GPAC_LIBS $LDFLAGSCLI"
 830 fi
 831
 832 if [ "$avs" = "auto" ] ; then
 833     avs="no"
 834     # cygwin can use avisynth if it can use LoadLibrary
 835     if [ $SYS = WINDOWS ] || ([ $SYS = CYGWIN ] && cc_check windows.h "" "LoadLibrary(0);") ; then
 836         avs="yes"
 837         define HAVE_AVS
 838     fi
 839 fi
 840
 841 cc_check "stdint.h" "" "uint32_t test_vec __attribute__ ((vector_size (16))) = {0,1,2,3};" && define HAVE_VECTOREXT
 842
 843 if [ "$pic" = "yes" ] ; then
 844     CFLAGS="$CFLAGS -fPIC"
 845     ASFLAGS="$ASFLAGS -DPIC"
 846     # resolve textrels in the x86 asm
 847     cc_check stdio.h -Wl,-Bsymbolic && LDFLAGS="$LDFLAGS -Wl,-Bsymbolic"
 848 fi
 849
 850 if [ "$debug" != "yes" -a "$gprof" != "yes" ]; then
 851     CFLAGS="$CFLAGS -fomit-frame-pointer"
 852 fi
 853
 854 if [ "$strip" = "yes" ]; then
 855     CFLAGS="$CFLAGS -s"
 856     LDFLAGS="$LDFLAGS -s"
 857 fi
 858
 859 if [ "$debug" = "yes" ]; then
 860     CFLAGS="-O1 -g $CFLAGS"
 861 elif [ $ARCH = ARM ]; then
 862     # arm-gcc-4.2 produces incorrect output with -ffast-math
 863     # and it doesn't save any speed anyway on 4.4, so disable it
 864     CFLAGS="-O3 -fno-fast-math $CFLAGS"
 865 else
 866     CFLAGS="-O3 -ffast-math $CFLAGS"
 867 fi
 868
 869 if cc_check '' -fno-tree-vectorize ; then
 870     CFLAGS="$CFLAGS -fno-tree-vectorize"
 871 fi
 872
 873 if [ $SYS = WINDOWS -a $ARCH = X86 -a $compiler = GNU ] ; then
 874     # workaround gcc/ld bug with alignment of static variables/arrays that are initialized to zero
 875     cc_check '' -fno-zero-initialized-in-bss && CFLAGS="$CFLAGS -fno-zero-initialized-in-bss"
 876 fi
 877
 878 if cc_check "stdio.h" "" "fseeko(stdin,0,0);" ; then
 879     define fseek fseeko
 880     define ftell ftello
 881 elif cc_check "stdio.h" "" "fseeko64(stdin,0,0);" ; then
 882     define fseek fseeko64
 883     define ftell ftello64
 884 elif cc_check "stdio.h" "" "_fseeki64(stdin,0,0);" ; then
 885     define fseek _fseeki64
 886     define ftell _ftelli64
 887 fi
 888
 889 if cc_check '' -Wshadow ; then
 890     CFLAGS="-Wshadow $CFLAGS"
 891 fi
 892
 893 if [ "$bit_depth" -gt "8" ]; then
 894     define HIGH_BIT_DEPTH
 895     ASFLAGS="$ASFLAGS -DHIGH_BIT_DEPTH"
 896 fi
 897
 898 ASFLAGS="$ASFLAGS -DBIT_DEPTH=$bit_depth"
 899
 900 [ $gpl = yes ] && define HAVE_GPL && x264_gpl=1 || x264_gpl=0
 901
 902 [ $interlaced = yes ] && define HAVE_INTERLACED && x264_interlaced=1 || x264_interlaced=0
 903
 904 #define undefined vars as 0
 905 for var in $CONFIG_HAVE; do
 906     grep -q "HAVE_$var 1" config.h || define HAVE_$var 0
 907 done
 908
 909 if [ $compiler = ICL ]; then
 910     AR="xilib -nologo -out:"
 911     DEPMM=-QMM
 912     DEPMT=-QMT
 913     HAVE_GETOPT_LONG=0
 914     LD="xilink -out:"
 915     LDFLAGS="-nologo -incremental:no $(icl_ldflags $LDFLAGS)"
 916     LDFLAGSCLI="$(icl_ldflags $LDFLAGSCLI)"
 917     LIBX264=libx264.lib
 918     RANLIB=
 919     STRIP=
 920     if [ $debug = yes ]; then
 921         LDFLAGS="-debug $LDFLAGS"
 922         CFLAGS="-D_DEBUG $CFLAGS"
 923     else
 924         CFLAGS="-DNDEBUG $CFLAGS"
 925     fi
 926 else
 927     AR="$AR rc "
 928     DEPMM="-MM -g0"
 929     DEPMT="-MT"
 930     LD="$CC -o "
 931     LIBX264=libx264.a
 932 fi
 933 if [ $compiler = GNU ]; then
 934     PROF_GEN_CC="-fprofile-generate"
 935     PROF_GEN_LD="-fprofile-generate"
 936     PROF_USE_CC="-fprofile-use"
 937     PROF_USE_LD="-fprofile-use"
 938 else
 939     CFLAGS="$(intel_cflags $CFLAGS)"
 940     # icc does not define __SSE__ until SSE2 optimization and icl never defines it or _M_IX86_FP
 941     [ \( $ARCH = X86_64 -o $ARCH = X86 \) -a $asm = yes ] && ! cpp_check "" "" "defined(__SSE__)" && define __SSE__
 942     PROF_GEN_CC="${QPRE}prof-gen ${QPRE}prof-dir."
 943     PROF_GEN_LD=
 944     PROF_USE_CC="${QPRE}prof-use ${QPRE}prof-dir."
 945     PROF_USE_LD=
 946 fi
 947
 948 rm -f conftest*
 949
 950 # generate exported config file
 951
 952 cat > x264_config.h << EOF
 953 #define X264_BIT_DEPTH  $bit_depth
 954 #define X264_GPL        $x264_gpl
 955 #define X264_INTERLACED $x264_interlaced
 956 EOF
 957
 958 # generate config files
 959
 960 cat > config.mak << EOF
 961 prefix=$prefix
 962 exec_prefix=$exec_prefix
 963 bindir=$bindir
 964 libdir=$libdir
 965 includedir=$includedir
 966 ARCH=$ARCH
 967 SYS=$SYS
 968 CC=$CC
 969 CFLAGS=$CFLAGS
 970 DEPMM=$DEPMM
 971 DEPMT=$DEPMT
 972 LD=$LD
 973 LDFLAGS=$LDFLAGS
 974 LIBX264=$LIBX264
 975 AR=$AR
 976 RANLIB=$RANLIB
 977 STRIP=$STRIP
 978 AS=$AS
 979 ASFLAGS=$ASFLAGS
 980 EXE=$EXE
 981 HAVE_GETOPT_LONG=$HAVE_GETOPT_LONG
 982 DEVNULL=$DEVNULL
 983 PROF_GEN_CC=$PROF_GEN_CC
 984 PROF_GEN_LD=$PROF_GEN_LD
 985 PROF_USE_CC=$PROF_USE_CC
 986 PROF_USE_LD=$PROF_USE_LD
 987 EOF
 988
 989 if [ $compiler = ICL ]; then
 990     echo '%.o: %.c' >> config.mak
 991     echo '      $(CC) $(CFLAGS) -c -Fo$@ $<' >> config.mak
 992 fi
 993
 994 if [ "$cli" = "yes" ]; then
 995     echo 'default: cli' >> config.mak
 996     echo 'install: install-cli' >> config.mak
 997 fi
 998
 999 if [ "$shared" = "yes" ]; then
1000     API=$(grep '#define X264_BUILD' < x264.h | cut -f 3 -d ' ')
1001     if [ "$SYS" = "WINDOWS" -o "$SYS" = "CYGWIN" ]; then
1002         echo "SONAME=libx264-$API.dll" >> config.mak
1003         if [ $compiler = ICL ]; then
1004             echo 'IMPLIBNAME=libx264.dll.lib' >> config.mak
1005             # GNU ld on windows defaults to exporting all global functions if there are no explicit __declspec(dllexport) declarations
1006             # MSVC link does not act similarly, so it is required to make an export definition out of x264.h and use it at link time
1007             echo 'SOFLAGS=-dll -def:x264.def -implib:$(IMPLIBNAME)' >> config.mak
1008             echo "EXPORTS" > x264.def
1009             grep "^\(int\|void\|x264_t\|extern\).*x264.*[\[(;]" x264.h | sed -e "s/.*\(x264.*\)[\[(].*/\1/;s/.*\(x264.*\);/\1/;s/open/open_$API/g" >> x264.def
1010         else
1011             echo 'IMPLIBNAME=libx264.dll.a' >> config.mak
1012             echo 'SOFLAGS=-shared -Wl,--out-implib,$(IMPLIBNAME) -Wl,--enable-auto-image-base' >> config.mak
1013         fi
1014     elif [ "$SYS" = "MACOSX" ]; then
1015         echo "SOSUFFIX=dylib" >> config.mak
1016         echo "SONAME=libx264.$API.dylib" >> config.mak
1017         echo 'SOFLAGS=-shared -dynamiclib -Wl,-single_module -Wl,-read_only_relocs,suppress -install_name $(DESTDIR)$(libdir)/$(SONAME)' >> config.mak
1018     elif [ "$SYS" = "SunOS" ]; then
1019         echo "SOSUFFIX=so" >> config.mak
1020         echo "SONAME=libx264.so.$API" >> config.mak
1021         echo 'SOFLAGS=-shared -Wl,-h,$(SONAME)' >> config.mak
1022     else
1023         echo "SOSUFFIX=so" >> config.mak
1024         echo "SONAME=libx264.so.$API" >> config.mak
1025         echo 'SOFLAGS=-shared -Wl,-soname,$(SONAME)' >> config.mak
1026     fi
1027     echo 'default: lib-shared' >> config.mak
1028     echo 'install: install-lib-shared' >> config.mak
1029 fi
1030
1031 if [ "$static" = "yes" ]; then
1032     echo 'default: lib-static' >> config.mak
1033     echo 'install: install-lib-static' >> config.mak
1034 fi
1035
1036 if [ "$cli_libx264" = "system" ] ; then
1037     if [ "$shared" = "yes" ]; then
1038         CLI_LIBX264='$(SONAME)'
1039     elif ${cross_prefix}pkg-config --exists x264 2>/dev/null; then
1040         LDFLAGSCLI="$LDFLAGSCLI $(${cross_prefix}pkg-config --libs x264)"
1041         CLI_LIBX264=
1042     else
1043         die "Can not find system libx264"
1044     fi
1045 else
1046     CLI_LIBX264='$(LIBX264)'
1047 fi
1048 echo "LDFLAGSCLI = $LDFLAGSCLI" >> config.mak
1049 echo "CLI_LIBX264 = $CLI_LIBX264" >> config.mak
1050
1051 ./version.sh >> config.h
1052
1053 pclibs="-L$libdir -lx264 $libpthread"
1054
1055 cat > x264.pc << EOF
1056 prefix=$prefix
1057 exec_prefix=$exec_prefix
1058 libdir=$libdir
1059 includedir=$includedir
1060
1061 Name: x264
1062 Description: H.264 (MPEG4 AVC) encoder library
1063 Version: $(grep POINTVER < config.h | sed -e 's/.* "//; s/".*//')
1064 Libs: $pclibs
1065 Cflags: -I$includedir
1066 EOF
1067
1068 filters="crop select_every"
1069 gpl_filters=""
1070 [ $swscale = yes ] && filters="resize $filters"
1071 [ $gpl = yes ] && filters="$filters $gpl_filters"
1072
1073 cat > conftest.log <<EOF
1074 Platform:   $ARCH
1075 System:     $SYS
1076 cli:        $cli
1077 libx264:    $cli_libx264
1078 shared:     $shared
1079 static:     $static
1080 asm:        $asm
1081 interlaced: $interlaced
1082 avs:        $avs
1083 lavf:       $lavf
1084 ffms:       $ffms
1085 gpac:       $gpac
1086 gpl:        $gpl
1087 thread:     $thread
1088 filters:    $filters
1089 debug:      $debug
1090 gprof:      $gprof
1091 strip:      $strip
1092 PIC:        $pic
1093 visualize:  $vis
1094 bit depth:  $bit_depth
1095 EOF
1096
1097 echo >> config.log
1098 cat conftest.log >> config.log
1099 cat conftest.log
1100 rm conftest.log
1101
1102 echo
1103 echo "You can run 'make' or 'make fprofiled' now."
1104